1 /* vi:set ts=8 sts=4 sw=4:
3 * VIM - Vi IMproved by Bram Moolenaar
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
11 * eval.c: Expression evaluation.
13 #if defined(MSDOS) || defined(WIN16) || defined(WIN32) || defined(_WIN64)
14 # include "vimio.h" /* for mch_open(), must be before vim.h */
19 #if defined(FEAT_EVAL) || defined(PROTO)
22 # include <time.h> /* for strftime() */
26 # include <time.h> /* for time_t */
29 #if defined(FEAT_FLOAT) && defined(HAVE_MATH_H)
33 #define DICT_MAXNEST 100 /* maximum nesting of lists and dicts */
35 #define DO_NOT_FREE_CNT 99999 /* refcount for dict or list that should not
39 * In a hashtab item "hi_key" points to "di_key" in a dictitem.
40 * This avoids adding a pointer to the hashtab item.
41 * DI2HIKEY() converts a dictitem pointer to a hashitem key pointer.
42 * HIKEY2DI() converts a hashitem key pointer to a dictitem pointer.
43 * HI2DI() converts a hashitem pointer to a dictitem pointer.
45 static dictitem_T dumdi
;
46 #define DI2HIKEY(di) ((di)->di_key)
47 #define HIKEY2DI(p) ((dictitem_T *)(p - (dumdi.di_key - (char_u *)&dumdi)))
48 #define HI2DI(hi) HIKEY2DI((hi)->hi_key)
51 * Structure returned by get_lval() and used by set_var_lval().
53 * "name" points to the variable name.
56 * For a magic braces name:
57 * "name" points to the expanded variable name.
58 * "exp_name" is non-NULL, to be freed later.
60 * For an index in a list:
61 * "name" points to the (expanded) variable name.
62 * "exp_name" NULL or non-NULL, to be freed later.
63 * "tv" points to the (first) list item value
64 * "li" points to the (first) list item
65 * "range", "n1", "n2" and "empty2" indicate what items are used.
66 * For an existing Dict item:
67 * "name" points to the (expanded) variable name.
68 * "exp_name" NULL or non-NULL, to be freed later.
69 * "tv" points to the dict item value
71 * For a non-existing Dict item:
72 * "name" points to the (expanded) variable name.
73 * "exp_name" NULL or non-NULL, to be freed later.
74 * "tv" points to the Dictionary typval_T
75 * "newkey" is the key for the new item.
79 char_u
*ll_name
; /* start of variable name (can be NULL) */
80 char_u
*ll_exp_name
; /* NULL or expanded name in allocated memory. */
81 typval_T
*ll_tv
; /* Typeval of item being used. If "newkey"
82 isn't NULL it's the Dict to which to add
84 listitem_T
*ll_li
; /* The list item or NULL. */
85 list_T
*ll_list
; /* The list or NULL. */
86 int ll_range
; /* TRUE when a [i:j] range was used */
87 long ll_n1
; /* First index for list */
88 long ll_n2
; /* Second index for list range */
89 int ll_empty2
; /* Second index is empty: [i:] */
90 dict_T
*ll_dict
; /* The Dictionary or NULL */
91 dictitem_T
*ll_di
; /* The dictitem or NULL */
92 char_u
*ll_newkey
; /* New key for Dict in alloc. mem or NULL. */
96 static char *e_letunexp
= N_("E18: Unexpected characters in :let");
97 static char *e_listidx
= N_("E684: list index out of range: %ld");
98 static char *e_undefvar
= N_("E121: Undefined variable: %s");
99 static char *e_missbrac
= N_("E111: Missing ']'");
100 static char *e_listarg
= N_("E686: Argument of %s must be a List");
101 static char *e_listdictarg
= N_("E712: Argument of %s must be a List or Dictionary");
102 static char *e_emptykey
= N_("E713: Cannot use empty key for Dictionary");
103 static char *e_listreq
= N_("E714: List required");
104 static char *e_dictreq
= N_("E715: Dictionary required");
105 static char *e_toomanyarg
= N_("E118: Too many arguments for function: %s");
106 static char *e_dictkey
= N_("E716: Key not present in Dictionary: %s");
107 static char *e_funcexts
= N_("E122: Function %s already exists, add ! to replace it");
108 static char *e_funcdict
= N_("E717: Dictionary entry already exists");
109 static char *e_funcref
= N_("E718: Funcref required");
110 static char *e_dictrange
= N_("E719: Cannot use [:] with a Dictionary");
111 static char *e_letwrong
= N_("E734: Wrong variable type for %s=");
112 static char *e_nofunc
= N_("E130: Unknown function: %s");
113 static char *e_illvar
= N_("E461: Illegal variable name: %s");
116 * All user-defined global variables are stored in dictionary "globvardict".
117 * "globvars_var" is the variable that is used for "g:".
119 static dict_T globvardict
;
120 static dictitem_T globvars_var
;
121 #define globvarht globvardict.dv_hashtab
124 * Old Vim variables such as "v:version" are also available without the "v:".
125 * Also in functions. We need a special hashtable for them.
127 static hashtab_T compat_hashtab
;
130 * When recursively copying lists and dicts we need to remember which ones we
131 * have done to avoid endless recursiveness. This unique ID is used for that.
132 * The last bit is used for previous_funccal, ignored when comparing.
134 static int current_copyID
= 0;
136 #define COPYID_MASK (~0x1)
139 * Array to hold the hashtab with variables local to each sourced script.
140 * Each item holds a variable (nameless) that points to the dict_T.
148 static garray_T ga_scripts
= {0, 0, sizeof(scriptvar_T
), 4, NULL
};
149 #define SCRIPT_SV(id) (((scriptvar_T *)ga_scripts.ga_data)[(id) - 1])
150 #define SCRIPT_VARS(id) (SCRIPT_SV(id).sv_dict.dv_hashtab)
152 static int echo_attr
= 0; /* attributes used for ":echo" */
154 /* Values for trans_function_name() argument: */
155 #define TFN_INT 1 /* internal function name OK */
156 #define TFN_QUIET 2 /* no error messages */
159 * Structure to hold info for a user function.
161 typedef struct ufunc ufunc_T
;
165 int uf_varargs
; /* variable nr of arguments */
167 int uf_calls
; /* nr of active calls */
168 garray_T uf_args
; /* arguments */
169 garray_T uf_lines
; /* function lines */
171 int uf_profiling
; /* TRUE when func is being profiled */
172 /* profiling the function as a whole */
173 int uf_tm_count
; /* nr of calls */
174 proftime_T uf_tm_total
; /* time spent in function + children */
175 proftime_T uf_tm_self
; /* time spent in function itself */
176 proftime_T uf_tm_children
; /* time spent in children this call */
177 /* profiling the function per line */
178 int *uf_tml_count
; /* nr of times line was executed */
179 proftime_T
*uf_tml_total
; /* time spent in a line + children */
180 proftime_T
*uf_tml_self
; /* time spent in a line itself */
181 proftime_T uf_tml_start
; /* start time for current line */
182 proftime_T uf_tml_children
; /* time spent in children for this line */
183 proftime_T uf_tml_wait
; /* start wait time for current line */
184 int uf_tml_idx
; /* index of line being timed; -1 if none */
185 int uf_tml_execed
; /* line being timed was executed */
187 scid_T uf_script_ID
; /* ID of script where function was defined,
188 used for s: variables */
189 int uf_refcount
; /* for numbered function: reference count */
190 char_u uf_name
[1]; /* name of function (actually longer); can
191 start with <SNR>123_ (<SNR> is K_SPECIAL
196 #define FC_ABORT 1 /* abort function on error */
197 #define FC_RANGE 2 /* function accepts range */
198 #define FC_DICT 4 /* Dict function, uses "self" */
201 * All user-defined functions are found in this hashtable.
203 static hashtab_T func_hashtab
;
205 /* The names of packages that once were loaded are remembered. */
206 static garray_T ga_loaded
= {0, 0, sizeof(char_u
*), 4, NULL
};
208 /* list heads for garbage collection */
209 static dict_T
*first_dict
= NULL
; /* list of all dicts */
210 static list_T
*first_list
= NULL
; /* list of all lists */
212 /* From user function to hashitem and back. */
213 static ufunc_T dumuf
;
214 #define UF2HIKEY(fp) ((fp)->uf_name)
215 #define HIKEY2UF(p) ((ufunc_T *)(p - (dumuf.uf_name - (char_u *)&dumuf)))
216 #define HI2UF(hi) HIKEY2UF((hi)->hi_key)
218 #define FUNCARG(fp, j) ((char_u **)(fp->uf_args.ga_data))[j]
219 #define FUNCLINE(fp, j) ((char_u **)(fp->uf_lines.ga_data))[j]
221 #define MAX_FUNC_ARGS 20 /* maximum number of function arguments */
222 #define VAR_SHORT_LEN 20 /* short variable name length */
223 #define FIXVAR_CNT 12 /* number of fixed variables */
225 /* structure to hold info for a function that is currently being executed. */
226 typedef struct funccall_S funccall_T
;
230 ufunc_T
*func
; /* function being called */
231 int linenr
; /* next line to be executed */
232 int returned
; /* ":return" used */
233 struct /* fixed variables for arguments */
235 dictitem_T var
; /* variable (without room for name) */
236 char_u room
[VAR_SHORT_LEN
]; /* room for the name */
237 } fixvar
[FIXVAR_CNT
];
238 dict_T l_vars
; /* l: local function variables */
239 dictitem_T l_vars_var
; /* variable for l: scope */
240 dict_T l_avars
; /* a: argument variables */
241 dictitem_T l_avars_var
; /* variable for a: scope */
242 list_T l_varlist
; /* list for a:000 */
243 listitem_T l_listitems
[MAX_FUNC_ARGS
]; /* listitems for a:000 */
244 typval_T
*rettv
; /* return value */
245 linenr_T breakpoint
; /* next line with breakpoint or zero */
246 int dbg_tick
; /* debug_tick when breakpoint was set */
247 int level
; /* top nesting level of executed function */
249 proftime_T prof_child
; /* time spent in a child */
251 funccall_T
*caller
; /* calling function or NULL */
255 * Info used by a ":for" loop.
259 int fi_semicolon
; /* TRUE if ending in '; var]' */
260 int fi_varcount
; /* nr of variables in the list */
261 listwatch_T fi_lw
; /* keep an eye on the item used. */
262 list_T
*fi_list
; /* list being used */
266 * Struct used by trans_function_name()
270 dict_T
*fd_dict
; /* Dictionary used */
271 char_u
*fd_newkey
; /* new key in "dict" in allocated memory */
272 dictitem_T
*fd_di
; /* Dictionary item used */
277 * Array to hold the value of v: variables.
278 * The value is in a dictitem, so that it can also be used in the v: scope.
279 * The reason to use this table anyway is for very quick access to the
280 * variables with the VV_ defines.
284 /* values for vv_flags: */
285 #define VV_COMPAT 1 /* compatible, also used without "v:" */
286 #define VV_RO 2 /* read-only */
287 #define VV_RO_SBX 4 /* read-only in the sandbox */
289 #define VV_NAME(s, t) s, {{t, 0, {0}}, 0, {0}}, {0}
293 char *vv_name
; /* name of variable, without v: */
294 dictitem_T vv_di
; /* value and name for key */
295 char vv_filler
[16]; /* space for LONGEST name below!!! */
296 char vv_flags
; /* VV_COMPAT, VV_RO, VV_RO_SBX */
300 * The order here must match the VV_ defines in vim.h!
301 * Initializing a union does not work, leave tv.vval empty to get zero's.
303 {VV_NAME("count", VAR_NUMBER
), VV_COMPAT
+VV_RO
},
304 {VV_NAME("count1", VAR_NUMBER
), VV_RO
},
305 {VV_NAME("prevcount", VAR_NUMBER
), VV_RO
},
306 {VV_NAME("errmsg", VAR_STRING
), VV_COMPAT
},
307 {VV_NAME("warningmsg", VAR_STRING
), 0},
308 {VV_NAME("statusmsg", VAR_STRING
), 0},
309 {VV_NAME("shell_error", VAR_NUMBER
), VV_COMPAT
+VV_RO
},
310 {VV_NAME("this_session", VAR_STRING
), VV_COMPAT
},
311 {VV_NAME("version", VAR_NUMBER
), VV_COMPAT
+VV_RO
},
312 {VV_NAME("lnum", VAR_NUMBER
), VV_RO_SBX
},
313 {VV_NAME("termresponse", VAR_STRING
), VV_RO
},
314 {VV_NAME("fname", VAR_STRING
), VV_RO
},
315 {VV_NAME("lang", VAR_STRING
), VV_RO
},
316 {VV_NAME("lc_time", VAR_STRING
), VV_RO
},
317 {VV_NAME("ctype", VAR_STRING
), VV_RO
},
318 {VV_NAME("charconvert_from", VAR_STRING
), VV_RO
},
319 {VV_NAME("charconvert_to", VAR_STRING
), VV_RO
},
320 {VV_NAME("fname_in", VAR_STRING
), VV_RO
},
321 {VV_NAME("fname_out", VAR_STRING
), VV_RO
},
322 {VV_NAME("fname_new", VAR_STRING
), VV_RO
},
323 {VV_NAME("fname_diff", VAR_STRING
), VV_RO
},
324 {VV_NAME("cmdarg", VAR_STRING
), VV_RO
},
325 {VV_NAME("foldstart", VAR_NUMBER
), VV_RO_SBX
},
326 {VV_NAME("foldend", VAR_NUMBER
), VV_RO_SBX
},
327 {VV_NAME("folddashes", VAR_STRING
), VV_RO_SBX
},
328 {VV_NAME("foldlevel", VAR_NUMBER
), VV_RO_SBX
},
329 {VV_NAME("progname", VAR_STRING
), VV_RO
},
330 {VV_NAME("servername", VAR_STRING
), VV_RO
},
331 {VV_NAME("dying", VAR_NUMBER
), VV_RO
},
332 {VV_NAME("exception", VAR_STRING
), VV_RO
},
333 {VV_NAME("throwpoint", VAR_STRING
), VV_RO
},
334 {VV_NAME("register", VAR_STRING
), VV_RO
},
335 {VV_NAME("cmdbang", VAR_NUMBER
), VV_RO
},
336 {VV_NAME("insertmode", VAR_STRING
), VV_RO
},
337 {VV_NAME("val", VAR_UNKNOWN
), VV_RO
},
338 {VV_NAME("key", VAR_UNKNOWN
), VV_RO
},
339 {VV_NAME("profiling", VAR_NUMBER
), VV_RO
},
340 {VV_NAME("fcs_reason", VAR_STRING
), VV_RO
},
341 {VV_NAME("fcs_choice", VAR_STRING
), 0},
342 {VV_NAME("beval_bufnr", VAR_NUMBER
), VV_RO
},
343 {VV_NAME("beval_winnr", VAR_NUMBER
), VV_RO
},
344 {VV_NAME("beval_lnum", VAR_NUMBER
), VV_RO
},
345 {VV_NAME("beval_col", VAR_NUMBER
), VV_RO
},
346 {VV_NAME("beval_text", VAR_STRING
), VV_RO
},
347 {VV_NAME("scrollstart", VAR_STRING
), 0},
348 {VV_NAME("swapname", VAR_STRING
), VV_RO
},
349 {VV_NAME("swapchoice", VAR_STRING
), 0},
350 {VV_NAME("swapcommand", VAR_STRING
), VV_RO
},
351 {VV_NAME("char", VAR_STRING
), VV_RO
},
352 {VV_NAME("mouse_win", VAR_NUMBER
), 0},
353 {VV_NAME("mouse_lnum", VAR_NUMBER
), 0},
354 {VV_NAME("mouse_col", VAR_NUMBER
), 0},
355 {VV_NAME("operator", VAR_STRING
), VV_RO
},
356 {VV_NAME("searchforward", VAR_NUMBER
), 0},
357 {VV_NAME("oldfiles", VAR_LIST
), 0},
361 #define vv_type vv_di.di_tv.v_type
362 #define vv_nr vv_di.di_tv.vval.v_number
363 #define vv_float vv_di.di_tv.vval.v_float
364 #define vv_str vv_di.di_tv.vval.v_string
365 #define vv_list vv_di.di_tv.vval.v_list
366 #define vv_tv vv_di.di_tv
369 * The v: variables are stored in dictionary "vimvardict".
370 * "vimvars_var" is the variable that is used for the "l:" scope.
372 static dict_T vimvardict
;
373 static dictitem_T vimvars_var
;
374 #define vimvarht vimvardict.dv_hashtab
376 static void prepare_vimvar
__ARGS((int idx
, typval_T
*save_tv
));
377 static void restore_vimvar
__ARGS((int idx
, typval_T
*save_tv
));
378 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
379 static int call_vim_function
__ARGS((char_u
*func
, int argc
, char_u
**argv
, int safe
, typval_T
*rettv
));
381 static int ex_let_vars
__ARGS((char_u
*arg
, typval_T
*tv
, int copy
, int semicolon
, int var_count
, char_u
*nextchars
));
382 static char_u
*skip_var_list
__ARGS((char_u
*arg
, int *var_count
, int *semicolon
));
383 static char_u
*skip_var_one
__ARGS((char_u
*arg
));
384 static void list_hashtable_vars
__ARGS((hashtab_T
*ht
, char_u
*prefix
, int empty
, int *first
));
385 static void list_glob_vars
__ARGS((int *first
));
386 static void list_buf_vars
__ARGS((int *first
));
387 static void list_win_vars
__ARGS((int *first
));
389 static void list_tab_vars
__ARGS((int *first
));
391 static void list_vim_vars
__ARGS((int *first
));
392 static void list_script_vars
__ARGS((int *first
));
393 static void list_func_vars
__ARGS((int *first
));
394 static char_u
*list_arg_vars
__ARGS((exarg_T
*eap
, char_u
*arg
, int *first
));
395 static char_u
*ex_let_one
__ARGS((char_u
*arg
, typval_T
*tv
, int copy
, char_u
*endchars
, char_u
*op
));
396 static int check_changedtick
__ARGS((char_u
*arg
));
397 static char_u
*get_lval
__ARGS((char_u
*name
, typval_T
*rettv
, lval_T
*lp
, int unlet
, int skip
, int quiet
, int fne_flags
));
398 static void clear_lval
__ARGS((lval_T
*lp
));
399 static void set_var_lval
__ARGS((lval_T
*lp
, char_u
*endp
, typval_T
*rettv
, int copy
, char_u
*op
));
400 static int tv_op
__ARGS((typval_T
*tv1
, typval_T
*tv2
, char_u
*op
));
401 static void list_add_watch
__ARGS((list_T
*l
, listwatch_T
*lw
));
402 static void list_rem_watch
__ARGS((list_T
*l
, listwatch_T
*lwrem
));
403 static void list_fix_watch
__ARGS((list_T
*l
, listitem_T
*item
));
404 static void ex_unletlock
__ARGS((exarg_T
*eap
, char_u
*argstart
, int deep
));
405 static int do_unlet_var
__ARGS((lval_T
*lp
, char_u
*name_end
, int forceit
));
406 static int do_lock_var
__ARGS((lval_T
*lp
, char_u
*name_end
, int deep
, int lock
));
407 static void item_lock
__ARGS((typval_T
*tv
, int deep
, int lock
));
408 static int tv_islocked
__ARGS((typval_T
*tv
));
410 static int eval0
__ARGS((char_u
*arg
, typval_T
*rettv
, char_u
**nextcmd
, int evaluate
));
411 static int eval1
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
412 static int eval2
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
413 static int eval3
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
414 static int eval4
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
415 static int eval5
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
416 static int eval6
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
, int want_string
));
417 static int eval7
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
, int want_string
));
419 static int eval_index
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
, int verbose
));
420 static int get_option_tv
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
421 static int get_string_tv
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
422 static int get_lit_string_tv
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
423 static int get_list_tv
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
424 static int rettv_list_alloc
__ARGS((typval_T
*rettv
));
425 static listitem_T
*listitem_alloc
__ARGS((void));
426 static void listitem_free
__ARGS((listitem_T
*item
));
427 static void listitem_remove
__ARGS((list_T
*l
, listitem_T
*item
));
428 static long list_len
__ARGS((list_T
*l
));
429 static int list_equal
__ARGS((list_T
*l1
, list_T
*l2
, int ic
));
430 static int dict_equal
__ARGS((dict_T
*d1
, dict_T
*d2
, int ic
));
431 static int tv_equal
__ARGS((typval_T
*tv1
, typval_T
*tv2
, int ic
));
432 static listitem_T
*list_find
__ARGS((list_T
*l
, long n
));
433 static long list_find_nr
__ARGS((list_T
*l
, long idx
, int *errorp
));
434 static long list_idx_of_item
__ARGS((list_T
*l
, listitem_T
*item
));
435 static void list_append
__ARGS((list_T
*l
, listitem_T
*item
));
436 static int list_append_number
__ARGS((list_T
*l
, varnumber_T n
));
437 static int list_insert_tv
__ARGS((list_T
*l
, typval_T
*tv
, listitem_T
*item
));
438 static int list_extend
__ARGS((list_T
*l1
, list_T
*l2
, listitem_T
*bef
));
439 static int list_concat
__ARGS((list_T
*l1
, list_T
*l2
, typval_T
*tv
));
440 static list_T
*list_copy
__ARGS((list_T
*orig
, int deep
, int copyID
));
441 static void list_remove
__ARGS((list_T
*l
, listitem_T
*item
, listitem_T
*item2
));
442 static char_u
*list2string
__ARGS((typval_T
*tv
, int copyID
));
443 static int list_join
__ARGS((garray_T
*gap
, list_T
*l
, char_u
*sep
, int echo
, int copyID
));
444 static int free_unref_items
__ARGS((int copyID
));
445 static void set_ref_in_ht
__ARGS((hashtab_T
*ht
, int copyID
));
446 static void set_ref_in_list
__ARGS((list_T
*l
, int copyID
));
447 static void set_ref_in_item
__ARGS((typval_T
*tv
, int copyID
));
448 static void dict_unref
__ARGS((dict_T
*d
));
449 static void dict_free
__ARGS((dict_T
*d
, int recurse
));
450 static dictitem_T
*dictitem_copy
__ARGS((dictitem_T
*org
));
451 static void dictitem_remove
__ARGS((dict_T
*dict
, dictitem_T
*item
));
452 static dict_T
*dict_copy
__ARGS((dict_T
*orig
, int deep
, int copyID
));
453 static long dict_len
__ARGS((dict_T
*d
));
454 static dictitem_T
*dict_find
__ARGS((dict_T
*d
, char_u
*key
, int len
));
455 static char_u
*dict2string
__ARGS((typval_T
*tv
, int copyID
));
456 static int get_dict_tv
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
457 static char_u
*echo_string
__ARGS((typval_T
*tv
, char_u
**tofree
, char_u
*numbuf
, int copyID
));
458 static char_u
*tv2string
__ARGS((typval_T
*tv
, char_u
**tofree
, char_u
*numbuf
, int copyID
));
459 static char_u
*string_quote
__ARGS((char_u
*str
, int function
));
461 static int string2float
__ARGS((char_u
*text
, float_T
*value
));
463 static int get_env_tv
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
464 static int find_internal_func
__ARGS((char_u
*name
));
465 static char_u
*deref_func_name
__ARGS((char_u
*name
, int *lenp
));
466 static int get_func_tv
__ARGS((char_u
*name
, int len
, typval_T
*rettv
, char_u
**arg
, linenr_T firstline
, linenr_T lastline
, int *doesrange
, int evaluate
, dict_T
*selfdict
));
467 static int call_func
__ARGS((char_u
*name
, int len
, typval_T
*rettv
, int argcount
, typval_T
*argvars
, linenr_T firstline
, linenr_T lastline
, int *doesrange
, int evaluate
, dict_T
*selfdict
));
468 static void emsg_funcname
__ARGS((char *ermsg
, char_u
*name
));
469 static int non_zero_arg
__ARGS((typval_T
*argvars
));
472 static void f_abs
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
474 static void f_add
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
475 static void f_append
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
476 static void f_argc
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
477 static void f_argidx
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
478 static void f_argv
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
480 static void f_atan
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
482 static void f_browse
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
483 static void f_browsedir
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
484 static void f_bufexists
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
485 static void f_buflisted
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
486 static void f_bufloaded
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
487 static void f_bufname
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
488 static void f_bufnr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
489 static void f_bufwinnr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
490 static void f_byte2line
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
491 static void f_byteidx
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
492 static void f_call
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
494 static void f_ceil
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
496 static void f_changenr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
497 static void f_char2nr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
498 static void f_cindent
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
499 static void f_clearmatches
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
500 static void f_col
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
501 #if defined(FEAT_INS_EXPAND)
502 static void f_complete
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
503 static void f_complete_add
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
504 static void f_complete_check
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
506 static void f_confirm
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
507 static void f_copy
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
509 static void f_cos
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
511 static void f_count
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
512 static void f_cscope_connection
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
513 static void f_cursor
__ARGS((typval_T
*argsvars
, typval_T
*rettv
));
514 static void f_deepcopy
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
515 static void f_delete
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
516 static void f_did_filetype
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
517 static void f_diff_filler
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
518 static void f_diff_hlID
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
519 static void f_empty
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
520 static void f_escape
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
521 static void f_eval
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
522 static void f_eventhandler
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
523 static void f_executable
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
524 static void f_exists
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
525 static void f_expand
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
526 static void f_extend
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
527 static void f_feedkeys
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
528 static void f_filereadable
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
529 static void f_filewritable
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
530 static void f_filter
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
531 static void f_finddir
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
532 static void f_findfile
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
534 static void f_float2nr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
535 static void f_floor
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
537 static void f_fnameescape
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
538 static void f_fnamemodify
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
539 static void f_foldclosed
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
540 static void f_foldclosedend
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
541 static void f_foldlevel
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
542 static void f_foldtext
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
543 static void f_foldtextresult
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
544 static void f_foreground
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
545 static void f_function
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
546 static void f_garbagecollect
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
547 static void f_get
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
548 static void f_getbufline
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
549 static void f_getbufvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
550 static void f_getchar
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
551 static void f_getcharmod
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
552 static void f_getcmdline
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
553 static void f_getcmdpos
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
554 static void f_getcmdtype
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
555 static void f_getcwd
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
556 static void f_getfontname
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
557 static void f_getfperm
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
558 static void f_getfsize
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
559 static void f_getftime
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
560 static void f_getftype
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
561 static void f_getline
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
562 static void f_getmatches
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
563 static void f_getpid
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
564 static void f_getpos
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
565 static void f_getqflist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
566 static void f_getreg
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
567 static void f_getregtype
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
568 static void f_gettabwinvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
569 static void f_getwinposx
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
570 static void f_getwinposy
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
571 static void f_getwinvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
572 static void f_glob
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
573 static void f_globpath
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
574 static void f_has
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
575 static void f_has_key
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
576 static void f_haslocaldir
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
577 static void f_hasmapto
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
578 static void f_histadd
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
579 static void f_histdel
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
580 static void f_histget
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
581 static void f_histnr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
582 static void f_hlID
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
583 static void f_hlexists
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
584 static void f_hostname
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
585 static void f_iconv
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
586 static void f_indent
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
587 static void f_index
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
588 static void f_input
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
589 static void f_inputdialog
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
590 static void f_inputlist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
591 static void f_inputrestore
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
592 static void f_inputsave
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
593 static void f_inputsecret
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
594 static void f_insert
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
595 static void f_isdirectory
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
596 static void f_islocked
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
597 static void f_items
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
598 static void f_join
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
599 static void f_keys
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
600 static void f_last_buffer_nr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
601 static void f_len
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
602 static void f_libcall
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
603 static void f_libcallnr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
604 static void f_line
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
605 static void f_line2byte
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
606 static void f_lispindent
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
607 static void f_localtime
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
609 static void f_log10
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
611 static void f_map
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
612 static void f_maparg
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
613 static void f_mapcheck
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
614 static void f_match
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
615 static void f_matchadd
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
616 static void f_matcharg
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
617 static void f_matchdelete
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
618 static void f_matchend
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
619 static void f_matchlist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
620 static void f_matchstr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
621 static void f_max
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
622 static void f_min
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
624 static void f_mkdir
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
626 static void f_mode
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
628 static void f_mzeval
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
630 static void f_nextnonblank
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
631 static void f_nr2char
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
632 static void f_pathshorten
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
634 static void f_pow
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
636 static void f_prevnonblank
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
637 static void f_printf
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
638 static void f_pumvisible
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
639 static void f_range
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
640 static void f_readfile
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
641 static void f_reltime
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
642 static void f_reltimestr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
643 static void f_remote_expr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
644 static void f_remote_foreground
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
645 static void f_remote_peek
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
646 static void f_remote_read
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
647 static void f_remote_send
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
648 static void f_remove
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
649 static void f_rename
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
650 static void f_repeat
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
651 static void f_resolve
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
652 static void f_reverse
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
654 static void f_round
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
656 static void f_search
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
657 static void f_searchdecl
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
658 static void f_searchpair
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
659 static void f_searchpairpos
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
660 static void f_searchpos
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
661 static void f_server2client
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
662 static void f_serverlist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
663 static void f_setbufvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
664 static void f_setcmdpos
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
665 static void f_setline
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
666 static void f_setloclist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
667 static void f_setmatches
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
668 static void f_setpos
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
669 static void f_setqflist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
670 static void f_setreg
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
671 static void f_settabwinvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
672 static void f_setwinvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
673 static void f_shellescape
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
674 static void f_simplify
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
676 static void f_sin
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
678 static void f_sort
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
679 static void f_soundfold
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
680 static void f_spellbadword
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
681 static void f_spellsuggest
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
682 static void f_split
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
684 static void f_sqrt
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
685 static void f_str2float
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
687 static void f_str2nr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
689 static void f_strftime
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
691 static void f_stridx
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
692 static void f_string
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
693 static void f_strlen
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
694 static void f_strpart
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
695 static void f_strridx
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
696 static void f_strtrans
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
697 static void f_submatch
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
698 static void f_substitute
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
699 static void f_synID
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
700 static void f_synIDattr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
701 static void f_synIDtrans
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
702 static void f_synstack
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
703 static void f_system
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
704 static void f_tabpagebuflist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
705 static void f_tabpagenr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
706 static void f_tabpagewinnr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
707 static void f_taglist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
708 static void f_tagfiles
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
709 static void f_tempname
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
710 static void f_test
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
711 static void f_tolower
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
712 static void f_toupper
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
713 static void f_tr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
715 static void f_trunc
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
717 static void f_type
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
718 static void f_values
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
719 static void f_virtcol
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
720 static void f_visualmode
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
721 static void f_winbufnr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
722 static void f_wincol
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
723 static void f_winheight
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
724 static void f_winline
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
725 static void f_winnr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
726 static void f_winrestcmd
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
727 static void f_winrestview
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
728 static void f_winsaveview
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
729 static void f_winwidth
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
730 static void f_writefile
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
732 static int list2fpos
__ARGS((typval_T
*arg
, pos_T
*posp
, int *fnump
));
733 static pos_T
*var2fpos
__ARGS((typval_T
*varp
, int dollar_lnum
, int *fnum
));
734 static int get_env_len
__ARGS((char_u
**arg
));
735 static int get_id_len
__ARGS((char_u
**arg
));
736 static int get_name_len
__ARGS((char_u
**arg
, char_u
**alias
, int evaluate
, int verbose
));
737 static char_u
*find_name_end
__ARGS((char_u
*arg
, char_u
**expr_start
, char_u
**expr_end
, int flags
));
738 #define FNE_INCL_BR 1 /* find_name_end(): include [] in name */
739 #define FNE_CHECK_START 2 /* find_name_end(): check name starts with
741 static char_u
* make_expanded_name
__ARGS((char_u
*in_start
, char_u
*expr_start
, char_u
*expr_end
, char_u
*in_end
));
742 static int eval_isnamec
__ARGS((int c
));
743 static int eval_isnamec1
__ARGS((int c
));
744 static int get_var_tv
__ARGS((char_u
*name
, int len
, typval_T
*rettv
, int verbose
));
745 static int handle_subscript
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
, int verbose
));
746 static typval_T
*alloc_tv
__ARGS((void));
747 static typval_T
*alloc_string_tv
__ARGS((char_u
*string
));
748 static void init_tv
__ARGS((typval_T
*varp
));
749 static long get_tv_number
__ARGS((typval_T
*varp
));
750 static linenr_T get_tv_lnum
__ARGS((typval_T
*argvars
));
751 static linenr_T get_tv_lnum_buf
__ARGS((typval_T
*argvars
, buf_T
*buf
));
752 static char_u
*get_tv_string
__ARGS((typval_T
*varp
));
753 static char_u
*get_tv_string_buf
__ARGS((typval_T
*varp
, char_u
*buf
));
754 static char_u
*get_tv_string_buf_chk
__ARGS((typval_T
*varp
, char_u
*buf
));
755 static dictitem_T
*find_var
__ARGS((char_u
*name
, hashtab_T
**htp
));
756 static dictitem_T
*find_var_in_ht
__ARGS((hashtab_T
*ht
, char_u
*varname
, int writing
));
757 static hashtab_T
*find_var_ht
__ARGS((char_u
*name
, char_u
**varname
));
758 static void vars_clear_ext
__ARGS((hashtab_T
*ht
, int free_val
));
759 static void delete_var
__ARGS((hashtab_T
*ht
, hashitem_T
*hi
));
760 static void list_one_var
__ARGS((dictitem_T
*v
, char_u
*prefix
, int *first
));
761 static void list_one_var_a
__ARGS((char_u
*prefix
, char_u
*name
, int type
, char_u
*string
, int *first
));
762 static void set_var
__ARGS((char_u
*name
, typval_T
*varp
, int copy
));
763 static int var_check_ro
__ARGS((int flags
, char_u
*name
));
764 static int var_check_fixed
__ARGS((int flags
, char_u
*name
));
765 static int tv_check_lock
__ARGS((int lock
, char_u
*name
));
766 static int item_copy
__ARGS((typval_T
*from
, typval_T
*to
, int deep
, int copyID
));
767 static char_u
*find_option_end
__ARGS((char_u
**arg
, int *opt_flags
));
768 static char_u
*trans_function_name
__ARGS((char_u
**pp
, int skip
, int flags
, funcdict_T
*fd
));
769 static int eval_fname_script
__ARGS((char_u
*p
));
770 static int eval_fname_sid
__ARGS((char_u
*p
));
771 static void list_func_head
__ARGS((ufunc_T
*fp
, int indent
));
772 static ufunc_T
*find_func
__ARGS((char_u
*name
));
773 static int function_exists
__ARGS((char_u
*name
));
774 static int builtin_function
__ARGS((char_u
*name
));
776 static void func_do_profile
__ARGS((ufunc_T
*fp
));
777 static void prof_sort_list
__ARGS((FILE *fd
, ufunc_T
**sorttab
, int st_len
, char *title
, int prefer_self
));
778 static void prof_func_line
__ARGS((FILE *fd
, int count
, proftime_T
*total
, proftime_T
*self
, int prefer_self
));
783 prof_total_cmp
__ARGS((const void *s1
, const void *s2
));
788 prof_self_cmp
__ARGS((const void *s1
, const void *s2
));
790 static int script_autoload
__ARGS((char_u
*name
, int reload
));
791 static char_u
*autoload_name
__ARGS((char_u
*name
));
792 static void cat_func_name
__ARGS((char_u
*buf
, ufunc_T
*fp
));
793 static void func_free
__ARGS((ufunc_T
*fp
));
794 static void func_unref
__ARGS((char_u
*name
));
795 static void func_ref
__ARGS((char_u
*name
));
796 static void call_user_func
__ARGS((ufunc_T
*fp
, int argcount
, typval_T
*argvars
, typval_T
*rettv
, linenr_T firstline
, linenr_T lastline
, dict_T
*selfdict
));
797 static int can_free_funccal
__ARGS((funccall_T
*fc
, int copyID
)) ;
798 static void free_funccal
__ARGS((funccall_T
*fc
, int free_val
));
799 static void add_nr_var
__ARGS((dict_T
*dp
, dictitem_T
*v
, char *name
, varnumber_T nr
));
800 static win_T
*find_win_by_nr
__ARGS((typval_T
*vp
, tabpage_T
*tp
));
801 static void getwinvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int off
));
802 static int searchpair_cmn
__ARGS((typval_T
*argvars
, pos_T
*match_pos
));
803 static int search_cmn
__ARGS((typval_T
*argvars
, pos_T
*match_pos
, int *flagsp
));
804 static void setwinvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int off
));
806 /* Character used as separated in autoload function/variable names. */
807 #define AUTOLOAD_CHAR '#'
810 * Initialize the global and v: variables.
818 init_var_dict(&globvardict
, &globvars_var
);
819 init_var_dict(&vimvardict
, &vimvars_var
);
820 hash_init(&compat_hashtab
);
821 hash_init(&func_hashtab
);
823 for (i
= 0; i
< VV_LEN
; ++i
)
826 STRCPY(p
->vv_di
.di_key
, p
->vv_name
);
827 if (p
->vv_flags
& VV_RO
)
828 p
->vv_di
.di_flags
= DI_FLAGS_RO
| DI_FLAGS_FIX
;
829 else if (p
->vv_flags
& VV_RO_SBX
)
830 p
->vv_di
.di_flags
= DI_FLAGS_RO_SBX
| DI_FLAGS_FIX
;
832 p
->vv_di
.di_flags
= DI_FLAGS_FIX
;
834 /* add to v: scope dict, unless the value is not always available */
835 if (p
->vv_type
!= VAR_UNKNOWN
)
836 hash_add(&vimvarht
, p
->vv_di
.di_key
);
837 if (p
->vv_flags
& VV_COMPAT
)
838 /* add to compat scope dict */
839 hash_add(&compat_hashtab
, p
->vv_di
.di_key
);
841 set_vim_var_nr(VV_SEARCHFORWARD
, 1L);
844 #if defined(EXITFREE) || defined(PROTO)
851 for (i
= 0; i
< VV_LEN
; ++i
)
854 if (p
->vv_di
.di_tv
.v_type
== VAR_STRING
)
859 else if (p
->vv_di
.di_tv
.v_type
== VAR_LIST
)
861 list_unref(p
->vv_list
);
865 hash_clear(&vimvarht
);
866 hash_init(&vimvarht
); /* garbage_collect() will access it */
867 hash_clear(&compat_hashtab
);
869 /* script-local variables */
870 for (i
= 1; i
<= ga_scripts
.ga_len
; ++i
)
871 vars_clear(&SCRIPT_VARS(i
));
872 ga_clear(&ga_scripts
);
875 /* global variables */
876 vars_clear(&globvarht
);
878 /* autoloaded script names */
879 ga_clear_strings(&ga_loaded
);
881 /* unreferenced lists and dicts */
882 (void)garbage_collect();
885 free_all_functions();
886 hash_clear(&func_hashtab
);
891 * Return the name of the executed function.
897 return ((funccall_T
*)cookie
)->func
->uf_name
;
901 * Return the address holding the next breakpoint line for a funccall cookie.
904 func_breakpoint(cookie
)
907 return &((funccall_T
*)cookie
)->breakpoint
;
911 * Return the address holding the debug tick for a funccall cookie.
914 func_dbg_tick(cookie
)
917 return &((funccall_T
*)cookie
)->dbg_tick
;
921 * Return the nesting level for a funccall cookie.
927 return ((funccall_T
*)cookie
)->level
;
930 /* pointer to funccal for currently active function */
931 funccall_T
*current_funccal
= NULL
;
933 /* pointer to list of previously used funccal, still around because some
934 * item in it is still being used. */
935 funccall_T
*previous_funccal
= NULL
;
938 * Return TRUE when a function was ended by a ":return" command.
941 current_func_returned()
943 return current_funccal
->returned
;
948 * Set an internal variable to a string value. Creates the variable if it does
952 set_internal_string_var(name
, value
)
959 val
= vim_strsave(value
);
962 tvp
= alloc_string_tv(val
);
965 set_var(name
, tvp
, FALSE
);
971 static lval_T
*redir_lval
= NULL
;
972 static garray_T redir_ga
; /* only valid when redir_lval is not NULL */
973 static char_u
*redir_endp
= NULL
;
974 static char_u
*redir_varname
= NULL
;
977 * Start recording command output to a variable
978 * Returns OK if successfully completed the setup. FAIL otherwise.
981 var_redir_start(name
, append
)
983 int append
; /* append to an existing variable */
989 /* Catch a bad name early. */
990 if (!eval_isnamec1(*name
))
996 /* Make a copy of the name, it is used in redir_lval until redir ends. */
997 redir_varname
= vim_strsave(name
);
998 if (redir_varname
== NULL
)
1001 redir_lval
= (lval_T
*)alloc_clear((unsigned)sizeof(lval_T
));
1002 if (redir_lval
== NULL
)
1008 /* The output is stored in growarray "redir_ga" until redirection ends. */
1009 ga_init2(&redir_ga
, (int)sizeof(char), 500);
1011 /* Parse the variable name (can be a dict or list entry). */
1012 redir_endp
= get_lval(redir_varname
, NULL
, redir_lval
, FALSE
, FALSE
, FALSE
,
1014 if (redir_endp
== NULL
|| redir_lval
->ll_name
== NULL
|| *redir_endp
!= NUL
)
1016 if (redir_endp
!= NULL
&& *redir_endp
!= NUL
)
1017 /* Trailing characters are present after the variable name */
1018 EMSG(_(e_trailing
));
1021 redir_endp
= NULL
; /* don't store a value, only cleanup */
1026 /* check if we can write to the variable: set it to or append an empty
1028 save_emsg
= did_emsg
;
1030 tv
.v_type
= VAR_STRING
;
1031 tv
.vval
.v_string
= (char_u
*)"";
1033 set_var_lval(redir_lval
, redir_endp
, &tv
, TRUE
, (char_u
*)".");
1035 set_var_lval(redir_lval
, redir_endp
, &tv
, TRUE
, (char_u
*)"=");
1037 did_emsg
|= save_emsg
;
1040 redir_endp
= NULL
; /* don't store a value, only cleanup */
1044 if (redir_lval
->ll_newkey
!= NULL
)
1046 /* Dictionary item was created, don't do it again. */
1047 vim_free(redir_lval
->ll_newkey
);
1048 redir_lval
->ll_newkey
= NULL
;
1055 * Append "value[value_len]" to the variable set by var_redir_start().
1056 * The actual appending is postponed until redirection ends, because the value
1057 * appended may in fact be the string we write to, changing it may cause freed
1058 * memory to be used:
1064 var_redir_str(value
, value_len
)
1070 if (redir_lval
== NULL
)
1073 if (value_len
== -1)
1074 len
= (int)STRLEN(value
); /* Append the entire string */
1076 len
= value_len
; /* Append only "value_len" characters */
1078 if (ga_grow(&redir_ga
, len
) == OK
)
1080 mch_memmove((char *)redir_ga
.ga_data
+ redir_ga
.ga_len
, value
, len
);
1081 redir_ga
.ga_len
+= len
;
1088 * Stop redirecting command output to a variable.
1089 * Frees the allocated memory.
1096 if (redir_lval
!= NULL
)
1098 /* If there was no error: assign the text to the variable. */
1099 if (redir_endp
!= NULL
)
1101 ga_append(&redir_ga
, NUL
); /* Append the trailing NUL. */
1102 tv
.v_type
= VAR_STRING
;
1103 tv
.vval
.v_string
= redir_ga
.ga_data
;
1104 set_var_lval(redir_lval
, redir_endp
, &tv
, FALSE
, (char_u
*)".");
1107 /* free the collected output */
1108 vim_free(redir_ga
.ga_data
);
1109 redir_ga
.ga_data
= NULL
;
1111 clear_lval(redir_lval
);
1112 vim_free(redir_lval
);
1115 vim_free(redir_varname
);
1116 redir_varname
= NULL
;
1119 # if defined(FEAT_MBYTE) || defined(PROTO)
1121 eval_charconvert(enc_from
, enc_to
, fname_from
, fname_to
)
1129 set_vim_var_string(VV_CC_FROM
, enc_from
, -1);
1130 set_vim_var_string(VV_CC_TO
, enc_to
, -1);
1131 set_vim_var_string(VV_FNAME_IN
, fname_from
, -1);
1132 set_vim_var_string(VV_FNAME_OUT
, fname_to
, -1);
1133 if (eval_to_bool(p_ccv
, &err
, NULL
, FALSE
))
1135 set_vim_var_string(VV_CC_FROM
, NULL
, -1);
1136 set_vim_var_string(VV_CC_TO
, NULL
, -1);
1137 set_vim_var_string(VV_FNAME_IN
, NULL
, -1);
1138 set_vim_var_string(VV_FNAME_OUT
, NULL
, -1);
1146 # if defined(FEAT_POSTSCRIPT) || defined(PROTO)
1148 eval_printexpr(fname
, args
)
1154 set_vim_var_string(VV_FNAME_IN
, fname
, -1);
1155 set_vim_var_string(VV_CMDARG
, args
, -1);
1156 if (eval_to_bool(p_pexpr
, &err
, NULL
, FALSE
))
1158 set_vim_var_string(VV_FNAME_IN
, NULL
, -1);
1159 set_vim_var_string(VV_CMDARG
, NULL
, -1);
1170 # if defined(FEAT_DIFF) || defined(PROTO)
1172 eval_diff(origfile
, newfile
, outfile
)
1179 set_vim_var_string(VV_FNAME_IN
, origfile
, -1);
1180 set_vim_var_string(VV_FNAME_NEW
, newfile
, -1);
1181 set_vim_var_string(VV_FNAME_OUT
, outfile
, -1);
1182 (void)eval_to_bool(p_dex
, &err
, NULL
, FALSE
);
1183 set_vim_var_string(VV_FNAME_IN
, NULL
, -1);
1184 set_vim_var_string(VV_FNAME_NEW
, NULL
, -1);
1185 set_vim_var_string(VV_FNAME_OUT
, NULL
, -1);
1189 eval_patch(origfile
, difffile
, outfile
)
1196 set_vim_var_string(VV_FNAME_IN
, origfile
, -1);
1197 set_vim_var_string(VV_FNAME_DIFF
, difffile
, -1);
1198 set_vim_var_string(VV_FNAME_OUT
, outfile
, -1);
1199 (void)eval_to_bool(p_pex
, &err
, NULL
, FALSE
);
1200 set_vim_var_string(VV_FNAME_IN
, NULL
, -1);
1201 set_vim_var_string(VV_FNAME_DIFF
, NULL
, -1);
1202 set_vim_var_string(VV_FNAME_OUT
, NULL
, -1);
1207 * Top level evaluation function, returning a boolean.
1208 * Sets "error" to TRUE if there was an error.
1209 * Return TRUE or FALSE.
1212 eval_to_bool(arg
, error
, nextcmd
, skip
)
1216 int skip
; /* only parse, don't execute */
1223 if (eval0(arg
, &tv
, nextcmd
, !skip
) == FAIL
)
1230 retval
= (get_tv_number_chk(&tv
, error
) != 0);
1241 * Top level evaluation function, returning a string. If "skip" is TRUE,
1242 * only parsing to "nextcmd" is done, without reporting errors. Return
1243 * pointer to allocated memory, or NULL for failure or when "skip" is TRUE.
1246 eval_to_string_skip(arg
, nextcmd
, skip
)
1249 int skip
; /* only parse, don't execute */
1256 if (eval0(arg
, &tv
, nextcmd
, !skip
) == FAIL
|| skip
)
1260 retval
= vim_strsave(get_tv_string(&tv
));
1270 * Skip over an expression at "*pp".
1271 * Return FAIL for an error, OK otherwise.
1279 *pp
= skipwhite(*pp
);
1280 return eval1(pp
, &rettv
, FALSE
);
1284 * Top level evaluation function, returning a string.
1285 * When "convert" is TRUE convert a List into a sequence of lines and convert
1286 * a Float to a String.
1287 * Return pointer to allocated memory, or NULL for failure.
1290 eval_to_string(arg
, nextcmd
, convert
)
1299 char_u numbuf
[NUMBUFLEN
];
1302 if (eval0(arg
, &tv
, nextcmd
, TRUE
) == FAIL
)
1306 if (convert
&& tv
.v_type
== VAR_LIST
)
1308 ga_init2(&ga
, (int)sizeof(char), 80);
1309 if (tv
.vval
.v_list
!= NULL
)
1310 list_join(&ga
, tv
.vval
.v_list
, (char_u
*)"\n", TRUE
, 0);
1311 ga_append(&ga
, NUL
);
1312 retval
= (char_u
*)ga
.ga_data
;
1315 else if (convert
&& tv
.v_type
== VAR_FLOAT
)
1317 vim_snprintf((char *)numbuf
, NUMBUFLEN
, "%g", tv
.vval
.v_float
);
1318 retval
= vim_strsave(numbuf
);
1322 retval
= vim_strsave(get_tv_string(&tv
));
1330 * Call eval_to_string() without using current local variables and using
1331 * textlock. When "use_sandbox" is TRUE use the sandbox.
1334 eval_to_string_safe(arg
, nextcmd
, use_sandbox
)
1340 void *save_funccalp
;
1342 save_funccalp
= save_funccal();
1346 retval
= eval_to_string(arg
, nextcmd
, FALSE
);
1350 restore_funccal(save_funccalp
);
1355 * Top level evaluation function, returning a number.
1356 * Evaluates "expr" silently.
1357 * Returns -1 for an error.
1360 eval_to_number(expr
)
1365 char_u
*p
= skipwhite(expr
);
1369 if (eval1(&p
, &rettv
, TRUE
) == FAIL
)
1373 retval
= get_tv_number_chk(&rettv
, NULL
);
1382 * Prepare v: variable "idx" to be used.
1383 * Save the current typeval in "save_tv".
1384 * When not used yet add the variable to the v: hashtable.
1387 prepare_vimvar(idx
, save_tv
)
1391 *save_tv
= vimvars
[idx
].vv_tv
;
1392 if (vimvars
[idx
].vv_type
== VAR_UNKNOWN
)
1393 hash_add(&vimvarht
, vimvars
[idx
].vv_di
.di_key
);
1397 * Restore v: variable "idx" to typeval "save_tv".
1398 * When no longer defined, remove the variable from the v: hashtable.
1401 restore_vimvar(idx
, save_tv
)
1407 vimvars
[idx
].vv_tv
= *save_tv
;
1408 if (vimvars
[idx
].vv_type
== VAR_UNKNOWN
)
1410 hi
= hash_find(&vimvarht
, vimvars
[idx
].vv_di
.di_key
);
1411 if (HASHITEM_EMPTY(hi
))
1412 EMSG2(_(e_intern2
), "restore_vimvar()");
1414 hash_remove(&vimvarht
, hi
);
1418 #if defined(FEAT_SPELL) || defined(PROTO)
1420 * Evaluate an expression to a list with suggestions.
1421 * For the "expr:" part of 'spellsuggest'.
1422 * Returns NULL when there is an error.
1425 eval_spell_expr(badword
, expr
)
1431 list_T
*list
= NULL
;
1432 char_u
*p
= skipwhite(expr
);
1434 /* Set "v:val" to the bad word. */
1435 prepare_vimvar(VV_VAL
, &save_val
);
1436 vimvars
[VV_VAL
].vv_type
= VAR_STRING
;
1437 vimvars
[VV_VAL
].vv_str
= badword
;
1441 if (eval1(&p
, &rettv
, TRUE
) == OK
)
1443 if (rettv
.v_type
!= VAR_LIST
)
1446 list
= rettv
.vval
.v_list
;
1451 restore_vimvar(VV_VAL
, &save_val
);
1457 * "list" is supposed to contain two items: a word and a number. Return the
1458 * word in "pp" and the number as the return value.
1459 * Return -1 if anything isn't right.
1460 * Used to get the good word and score from the eval_spell_expr() result.
1463 get_spellword(list
, pp
)
1469 li
= list
->lv_first
;
1472 *pp
= get_tv_string(&li
->li_tv
);
1477 return get_tv_number(&li
->li_tv
);
1482 * Top level evaluation function.
1483 * Returns an allocated typval_T with the result.
1484 * Returns NULL when there is an error.
1487 eval_expr(arg
, nextcmd
)
1493 tv
= (typval_T
*)alloc(sizeof(typval_T
));
1494 if (tv
!= NULL
&& eval0(arg
, tv
, nextcmd
, TRUE
) == FAIL
)
1504 #if (defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)) \
1505 || defined(FEAT_COMPL_FUNC) || defined(PROTO)
1507 * Call some vimL function and return the result in "*rettv".
1508 * Uses argv[argc] for the function arguments. Only Number and String
1509 * arguments are currently supported.
1510 * Returns OK or FAIL.
1513 call_vim_function(func
, argc
, argv
, safe
, rettv
)
1517 int safe
; /* use the sandbox */
1525 void *save_funccalp
= NULL
;
1528 argvars
= (typval_T
*)alloc((unsigned)((argc
+ 1) * sizeof(typval_T
)));
1529 if (argvars
== NULL
)
1532 for (i
= 0; i
< argc
; i
++)
1534 /* Pass a NULL or empty argument as an empty string */
1535 if (argv
[i
] == NULL
|| *argv
[i
] == NUL
)
1537 argvars
[i
].v_type
= VAR_STRING
;
1538 argvars
[i
].vval
.v_string
= (char_u
*)"";
1542 /* Recognize a number argument, the others must be strings. */
1543 vim_str2nr(argv
[i
], NULL
, &len
, TRUE
, TRUE
, &n
, NULL
);
1544 if (len
!= 0 && len
== (int)STRLEN(argv
[i
]))
1546 argvars
[i
].v_type
= VAR_NUMBER
;
1547 argvars
[i
].vval
.v_number
= n
;
1551 argvars
[i
].v_type
= VAR_STRING
;
1552 argvars
[i
].vval
.v_string
= argv
[i
];
1558 save_funccalp
= save_funccal();
1562 rettv
->v_type
= VAR_UNKNOWN
; /* clear_tv() uses this */
1563 ret
= call_func(func
, (int)STRLEN(func
), rettv
, argc
, argvars
,
1564 curwin
->w_cursor
.lnum
, curwin
->w_cursor
.lnum
,
1565 &doesrange
, TRUE
, NULL
);
1569 restore_funccal(save_funccalp
);
1579 # if (defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)) || defined(PROTO)
1581 * Call vimL function "func" and return the result as a string.
1582 * Returns NULL when calling the function fails.
1583 * Uses argv[argc] for the function arguments.
1586 call_func_retstr(func
, argc
, argv
, safe
)
1590 int safe
; /* use the sandbox */
1595 if (call_vim_function(func
, argc
, argv
, safe
, &rettv
) == FAIL
)
1598 retval
= vim_strsave(get_tv_string(&rettv
));
1604 # if defined(FEAT_COMPL_FUNC) || defined(PROTO)
1606 * Call vimL function "func" and return the result as a number.
1607 * Returns -1 when calling the function fails.
1608 * Uses argv[argc] for the function arguments.
1611 call_func_retnr(func
, argc
, argv
, safe
)
1615 int safe
; /* use the sandbox */
1620 if (call_vim_function(func
, argc
, argv
, safe
, &rettv
) == FAIL
)
1623 retval
= get_tv_number_chk(&rettv
, NULL
);
1630 * Call vimL function "func" and return the result as a List.
1631 * Uses argv[argc] for the function arguments.
1632 * Returns NULL when there is something wrong.
1635 call_func_retlist(func
, argc
, argv
, safe
)
1639 int safe
; /* use the sandbox */
1643 if (call_vim_function(func
, argc
, argv
, safe
, &rettv
) == FAIL
)
1646 if (rettv
.v_type
!= VAR_LIST
)
1652 return rettv
.vval
.v_list
;
1658 * Save the current function call pointer, and set it to NULL.
1659 * Used when executing autocommands and for ":source".
1664 funccall_T
*fc
= current_funccal
;
1666 current_funccal
= NULL
;
1671 restore_funccal(vfc
)
1674 funccall_T
*fc
= (funccall_T
*)vfc
;
1676 current_funccal
= fc
;
1679 #if defined(FEAT_PROFILE) || defined(PROTO)
1681 * Prepare profiling for entering a child or something else that is not
1682 * counted for the script/function itself.
1683 * Should always be called in pair with prof_child_exit().
1686 prof_child_enter(tm
)
1687 proftime_T
*tm
; /* place to store waittime */
1689 funccall_T
*fc
= current_funccal
;
1691 if (fc
!= NULL
&& fc
->func
->uf_profiling
)
1692 profile_start(&fc
->prof_child
);
1693 script_prof_save(tm
);
1697 * Take care of time spent in a child.
1698 * Should always be called after prof_child_enter().
1702 proftime_T
*tm
; /* where waittime was stored */
1704 funccall_T
*fc
= current_funccal
;
1706 if (fc
!= NULL
&& fc
->func
->uf_profiling
)
1708 profile_end(&fc
->prof_child
);
1709 profile_sub_wait(tm
, &fc
->prof_child
); /* don't count waiting time */
1710 profile_add(&fc
->func
->uf_tm_children
, &fc
->prof_child
);
1711 profile_add(&fc
->func
->uf_tml_children
, &fc
->prof_child
);
1713 script_prof_restore(tm
);
1720 * Evaluate 'foldexpr'. Returns the foldlevel, and any character preceding
1721 * it in "*cp". Doesn't give error messages.
1724 eval_foldexpr(arg
, cp
)
1731 int use_sandbox
= was_set_insecurely((char_u
*)"foldexpr",
1739 if (eval0(arg
, &tv
, NULL
, TRUE
) == FAIL
)
1743 /* If the result is a number, just return the number. */
1744 if (tv
.v_type
== VAR_NUMBER
)
1745 retval
= tv
.vval
.v_number
;
1746 else if (tv
.v_type
!= VAR_STRING
|| tv
.vval
.v_string
== NULL
)
1750 /* If the result is a string, check if there is a non-digit before
1752 s
= tv
.vval
.v_string
;
1753 if (!VIM_ISDIGIT(*s
) && *s
!= '-')
1755 retval
= atol((char *)s
);
1769 * ":let" list all variable values
1770 * ":let var1 var2" list variable values
1771 * ":let var = expr" assignment command.
1772 * ":let var += expr" assignment command.
1773 * ":let var -= expr" assignment command.
1774 * ":let var .= expr" assignment command.
1775 * ":let [var1, var2] = expr" unpack list.
1781 char_u
*arg
= eap
->arg
;
1782 char_u
*expr
= NULL
;
1791 argend
= skip_var_list(arg
, &var_count
, &semicolon
);
1794 if (argend
> arg
&& argend
[-1] == '.') /* for var.='str' */
1796 expr
= vim_strchr(argend
, '=');
1800 * ":let" without "=": list variables
1804 else if (!ends_excmd(*arg
))
1805 /* ":let var1 var2" */
1806 arg
= list_arg_vars(eap
, arg
, &first
);
1807 else if (!eap
->skip
)
1810 list_glob_vars(&first
);
1811 list_buf_vars(&first
);
1812 list_win_vars(&first
);
1814 list_tab_vars(&first
);
1816 list_script_vars(&first
);
1817 list_func_vars(&first
);
1818 list_vim_vars(&first
);
1820 eap
->nextcmd
= check_nextcmd(arg
);
1828 if (vim_strchr((char_u
*)"+-.", expr
[-1]) != NULL
)
1829 op
[0] = expr
[-1]; /* +=, -= or .= */
1831 expr
= skipwhite(expr
+ 1);
1835 i
= eval0(expr
, &rettv
, &eap
->nextcmd
, !eap
->skip
);
1844 (void)ex_let_vars(eap
->arg
, &rettv
, FALSE
, semicolon
, var_count
,
1852 * Assign the typevalue "tv" to the variable or variables at "arg_start".
1853 * Handles both "var" with any type and "[var, var; var]" with a list type.
1854 * When "nextchars" is not NULL it points to a string with characters that
1855 * must appear after the variable(s). Use "+", "-" or "." for add, subtract
1857 * Returns OK or FAIL;
1860 ex_let_vars(arg_start
, tv
, copy
, semicolon
, var_count
, nextchars
)
1863 int copy
; /* copy values from "tv", don't move */
1864 int semicolon
; /* from skip_var_list() */
1865 int var_count
; /* from skip_var_list() */
1868 char_u
*arg
= arg_start
;
1877 * ":let var = expr" or ":for var in list"
1879 if (ex_let_one(arg
, tv
, copy
, nextchars
, nextchars
) == NULL
)
1885 * ":let [v1, v2] = list" or ":for [v1, v2] in listlist"
1887 if (tv
->v_type
!= VAR_LIST
|| (l
= tv
->vval
.v_list
) == NULL
)
1894 if (semicolon
== 0 && var_count
< i
)
1896 EMSG(_("E687: Less targets than List items"));
1899 if (var_count
- semicolon
> i
)
1901 EMSG(_("E688: More targets than List items"));
1908 arg
= skipwhite(arg
+ 1);
1909 arg
= ex_let_one(arg
, &item
->li_tv
, TRUE
, (char_u
*)",;]", nextchars
);
1910 item
= item
->li_next
;
1914 arg
= skipwhite(arg
);
1917 /* Put the rest of the list (may be empty) in the var after ';'.
1918 * Create a new list for this. */
1922 while (item
!= NULL
)
1924 list_append_tv(l
, &item
->li_tv
);
1925 item
= item
->li_next
;
1928 ltv
.v_type
= VAR_LIST
;
1930 ltv
.vval
.v_list
= l
;
1933 arg
= ex_let_one(skipwhite(arg
+ 1), <v
, FALSE
,
1934 (char_u
*)"]", nextchars
);
1940 else if (*arg
!= ',' && *arg
!= ']')
1942 EMSG2(_(e_intern2
), "ex_let_vars()");
1951 * Skip over assignable variable "var" or list of variables "[var, var]".
1952 * Used for ":let varvar = expr" and ":for varvar in expr".
1953 * For "[var, var]" increment "*var_count" for each variable.
1954 * for "[var, var; var]" set "semicolon".
1955 * Return NULL for an error.
1958 skip_var_list(arg
, var_count
, semicolon
)
1967 /* "[var, var]": find the matching ']'. */
1971 p
= skipwhite(p
+ 1); /* skip whites after '[', ';' or ',' */
1972 s
= skip_var_one(p
);
1975 EMSG2(_(e_invarg2
), p
);
1985 if (*semicolon
== 1)
1987 EMSG(_("Double ; in list of variables"));
1994 EMSG2(_(e_invarg2
), p
);
2001 return skip_var_one(arg
);
2005 * Skip one (assignable) variable name, including @r, $VAR, &option, d.key,
2012 if (*arg
== '@' && arg
[1] != NUL
)
2014 return find_name_end(*arg
== '$' || *arg
== '&' ? arg
+ 1 : arg
,
2015 NULL
, NULL
, FNE_INCL_BR
| FNE_CHECK_START
);
2019 * List variables for hashtab "ht" with prefix "prefix".
2020 * If "empty" is TRUE also list NULL strings as empty strings.
2023 list_hashtable_vars(ht
, prefix
, empty
, first
)
2033 todo
= (int)ht
->ht_used
;
2034 for (hi
= ht
->ht_array
; todo
> 0 && !got_int
; ++hi
)
2036 if (!HASHITEM_EMPTY(hi
))
2040 if (empty
|| di
->di_tv
.v_type
!= VAR_STRING
2041 || di
->di_tv
.vval
.v_string
!= NULL
)
2042 list_one_var(di
, prefix
, first
);
2048 * List global variables.
2051 list_glob_vars(first
)
2054 list_hashtable_vars(&globvarht
, (char_u
*)"", TRUE
, first
);
2058 * List buffer variables.
2061 list_buf_vars(first
)
2064 char_u numbuf
[NUMBUFLEN
];
2066 list_hashtable_vars(&curbuf
->b_vars
.dv_hashtab
, (char_u
*)"b:",
2069 sprintf((char *)numbuf
, "%ld", (long)curbuf
->b_changedtick
);
2070 list_one_var_a((char_u
*)"b:", (char_u
*)"changedtick", VAR_NUMBER
,
2075 * List window variables.
2078 list_win_vars(first
)
2081 list_hashtable_vars(&curwin
->w_vars
.dv_hashtab
,
2082 (char_u
*)"w:", TRUE
, first
);
2087 * List tab page variables.
2090 list_tab_vars(first
)
2093 list_hashtable_vars(&curtab
->tp_vars
.dv_hashtab
,
2094 (char_u
*)"t:", TRUE
, first
);
2099 * List Vim variables.
2102 list_vim_vars(first
)
2105 list_hashtable_vars(&vimvarht
, (char_u
*)"v:", FALSE
, first
);
2109 * List script-local variables, if there is a script.
2112 list_script_vars(first
)
2115 if (current_SID
> 0 && current_SID
<= ga_scripts
.ga_len
)
2116 list_hashtable_vars(&SCRIPT_VARS(current_SID
),
2117 (char_u
*)"s:", FALSE
, first
);
2121 * List function variables, if there is a function.
2124 list_func_vars(first
)
2127 if (current_funccal
!= NULL
)
2128 list_hashtable_vars(¤t_funccal
->l_vars
.dv_hashtab
,
2129 (char_u
*)"l:", FALSE
, first
);
2133 * List variables in "arg".
2136 list_arg_vars(eap
, arg
, first
)
2149 while (!ends_excmd(*arg
) && !got_int
)
2151 if (error
|| eap
->skip
)
2153 arg
= find_name_end(arg
, NULL
, NULL
, FNE_INCL_BR
| FNE_CHECK_START
);
2154 if (!vim_iswhite(*arg
) && !ends_excmd(*arg
))
2157 EMSG(_(e_trailing
));
2163 /* get_name_len() takes care of expanding curly braces */
2164 name_start
= name
= arg
;
2165 len
= get_name_len(&arg
, &tofree
, TRUE
, TRUE
);
2168 /* This is mainly to keep test 49 working: when expanding
2169 * curly braces fails overrule the exception error message. */
2170 if (len
< 0 && !aborting())
2173 EMSG2(_(e_invarg2
), arg
);
2182 if (get_var_tv(name
, len
, &tv
, TRUE
) == FAIL
)
2186 /* handle d.key, l[idx], f(expr) */
2188 if (handle_subscript(&arg
, &tv
, TRUE
, TRUE
) == FAIL
)
2192 if (arg
== arg_subsc
&& len
== 2 && name
[1] == ':')
2196 case 'g': list_glob_vars(first
); break;
2197 case 'b': list_buf_vars(first
); break;
2198 case 'w': list_win_vars(first
); break;
2200 case 't': list_tab_vars(first
); break;
2202 case 'v': list_vim_vars(first
); break;
2203 case 's': list_script_vars(first
); break;
2204 case 'l': list_func_vars(first
); break;
2206 EMSG2(_("E738: Can't list variables for %s"), name
);
2211 char_u numbuf
[NUMBUFLEN
];
2216 s
= echo_string(&tv
, &tf
, numbuf
, 0);
2219 list_one_var_a((char_u
*)"",
2220 arg
== arg_subsc
? name
: name_start
,
2222 s
== NULL
? (char_u
*)"" : s
,
2235 arg
= skipwhite(arg
);
2242 * Set one item of ":let var = expr" or ":let [v1, v2] = list" to its value.
2243 * Returns a pointer to the char just after the var name.
2244 * Returns NULL if there is an error.
2247 ex_let_one(arg
, tv
, copy
, endchars
, op
)
2248 char_u
*arg
; /* points to variable name */
2249 typval_T
*tv
; /* value to assign to variable */
2250 int copy
; /* copy value from "tv" */
2251 char_u
*endchars
; /* valid chars after variable name or NULL */
2252 char_u
*op
; /* "+", "-", "." or NULL*/
2257 char_u
*arg_end
= NULL
;
2260 char_u
*tofree
= NULL
;
2263 * ":let $VAR = expr": Set environment variable.
2267 /* Find the end of the name. */
2270 len
= get_env_len(&arg
);
2272 EMSG2(_(e_invarg2
), name
- 1);
2275 if (op
!= NULL
&& (*op
== '+' || *op
== '-'))
2276 EMSG2(_(e_letwrong
), op
);
2277 else if (endchars
!= NULL
2278 && vim_strchr(endchars
, *skipwhite(arg
)) == NULL
)
2279 EMSG(_(e_letunexp
));
2284 p
= get_tv_string_chk(tv
);
2285 if (p
!= NULL
&& op
!= NULL
&& *op
== '.')
2287 int mustfree
= FALSE
;
2288 char_u
*s
= vim_getenv(name
, &mustfree
);
2292 p
= tofree
= concat_str(s
, p
);
2299 vim_setenv(name
, p
);
2300 if (STRICMP(name
, "HOME") == 0)
2302 else if (didset_vim
&& STRICMP(name
, "VIM") == 0)
2304 else if (didset_vimruntime
2305 && STRICMP(name
, "VIMRUNTIME") == 0)
2306 didset_vimruntime
= FALSE
;
2316 * ":let &option = expr": Set option value.
2317 * ":let &l:option = expr": Set local option value.
2318 * ":let &g:option = expr": Set global option value.
2320 else if (*arg
== '&')
2322 /* Find the end of the name. */
2323 p
= find_option_end(&arg
, &opt_flags
);
2324 if (p
== NULL
|| (endchars
!= NULL
2325 && vim_strchr(endchars
, *skipwhite(p
)) == NULL
))
2326 EMSG(_(e_letunexp
));
2332 char_u
*stringval
= NULL
;
2338 n
= get_tv_number(tv
);
2339 s
= get_tv_string_chk(tv
); /* != NULL if number or string */
2340 if (s
!= NULL
&& op
!= NULL
&& *op
!= '=')
2342 opt_type
= get_option_value(arg
, &numval
,
2343 &stringval
, opt_flags
);
2344 if ((opt_type
== 1 && *op
== '.')
2345 || (opt_type
== 0 && *op
!= '.'))
2346 EMSG2(_(e_letwrong
), op
);
2349 if (opt_type
== 1) /* number */
2356 else if (opt_type
== 0 && stringval
!= NULL
) /* string */
2358 s
= concat_str(stringval
, s
);
2359 vim_free(stringval
);
2366 set_option_value(arg
, n
, s
, opt_flags
);
2370 vim_free(stringval
);
2375 * ":let @r = expr": Set register contents.
2377 else if (*arg
== '@')
2380 if (op
!= NULL
&& (*op
== '+' || *op
== '-'))
2381 EMSG2(_(e_letwrong
), op
);
2382 else if (endchars
!= NULL
2383 && vim_strchr(endchars
, *skipwhite(arg
+ 1)) == NULL
)
2384 EMSG(_(e_letunexp
));
2387 char_u
*ptofree
= NULL
;
2390 p
= get_tv_string_chk(tv
);
2391 if (p
!= NULL
&& op
!= NULL
&& *op
== '.')
2393 s
= get_reg_contents(*arg
== '@' ? '"' : *arg
, TRUE
, TRUE
);
2396 p
= ptofree
= concat_str(s
, p
);
2402 write_reg_contents(*arg
== '@' ? '"' : *arg
, p
, -1, FALSE
);
2410 * ":let var = expr": Set internal variable.
2411 * ":let {expr} = expr": Idem, name made with curly braces
2413 else if (eval_isnamec1(*arg
) || *arg
== '{')
2417 p
= get_lval(arg
, tv
, &lv
, FALSE
, FALSE
, FALSE
, FNE_CHECK_START
);
2418 if (p
!= NULL
&& lv
.ll_name
!= NULL
)
2420 if (endchars
!= NULL
&& vim_strchr(endchars
, *skipwhite(p
)) == NULL
)
2421 EMSG(_(e_letunexp
));
2424 set_var_lval(&lv
, p
, tv
, copy
, op
);
2432 EMSG2(_(e_invarg2
), arg
);
2438 * If "arg" is equal to "b:changedtick" give an error and return TRUE.
2441 check_changedtick(arg
)
2444 if (STRNCMP(arg
, "b:changedtick", 13) == 0 && !eval_isnamec(arg
[13]))
2446 EMSG2(_(e_readonlyvar
), arg
);
2453 * Get an lval: variable, Dict item or List item that can be assigned a value
2454 * to: "name", "na{me}", "name[expr]", "name[expr:expr]", "name[expr][expr]",
2455 * "name.key", "name.key[expr]" etc.
2456 * Indexing only works if "name" is an existing List or Dictionary.
2457 * "name" points to the start of the name.
2458 * If "rettv" is not NULL it points to the value to be assigned.
2459 * "unlet" is TRUE for ":unlet": slightly different behavior when something is
2460 * wrong; must end in space or cmd separator.
2462 * Returns a pointer to just after the name, including indexes.
2463 * When an evaluation error occurs "lp->ll_name" is NULL;
2464 * Returns NULL for a parsing error. Still need to free items in "lp"!
2467 get_lval(name
, rettv
, lp
, unlet
, skip
, quiet
, fne_flags
)
2473 int quiet
; /* don't give error messages */
2474 int fne_flags
; /* flags for find_name_end() */
2477 char_u
*expr_start
, *expr_end
;
2488 /* Clear everything in "lp". */
2489 vim_memset(lp
, 0, sizeof(lval_T
));
2493 /* When skipping just find the end of the name. */
2495 return find_name_end(name
, NULL
, NULL
, FNE_INCL_BR
| fne_flags
);
2498 /* Find the end of the name. */
2499 p
= find_name_end(name
, &expr_start
, &expr_end
, fne_flags
);
2500 if (expr_start
!= NULL
)
2502 /* Don't expand the name when we already know there is an error. */
2503 if (unlet
&& !vim_iswhite(*p
) && !ends_excmd(*p
)
2504 && *p
!= '[' && *p
!= '.')
2506 EMSG(_(e_trailing
));
2510 lp
->ll_exp_name
= make_expanded_name(name
, expr_start
, expr_end
, p
);
2511 if (lp
->ll_exp_name
== NULL
)
2513 /* Report an invalid expression in braces, unless the
2514 * expression evaluation has been cancelled due to an
2515 * aborting error, an interrupt, or an exception. */
2516 if (!aborting() && !quiet
)
2519 EMSG2(_(e_invarg2
), name
);
2523 lp
->ll_name
= lp
->ll_exp_name
;
2528 /* Without [idx] or .key we are done. */
2529 if ((*p
!= '[' && *p
!= '.') || lp
->ll_name
== NULL
)
2534 v
= find_var(lp
->ll_name
, &ht
);
2535 if (v
== NULL
&& !quiet
)
2536 EMSG2(_(e_undefvar
), lp
->ll_name
);
2542 * Loop until no more [idx] or .key is following.
2544 lp
->ll_tv
= &v
->di_tv
;
2545 while (*p
== '[' || (*p
== '.' && lp
->ll_tv
->v_type
== VAR_DICT
))
2547 if (!(lp
->ll_tv
->v_type
== VAR_LIST
&& lp
->ll_tv
->vval
.v_list
!= NULL
)
2548 && !(lp
->ll_tv
->v_type
== VAR_DICT
2549 && lp
->ll_tv
->vval
.v_dict
!= NULL
))
2552 EMSG(_("E689: Can only index a List or Dictionary"));
2558 EMSG(_("E708: [:] must come last"));
2566 for (len
= 0; ASCII_ISALNUM(key
[len
]) || key
[len
] == '_'; ++len
)
2571 EMSG(_(e_emptykey
));
2578 /* Get the index [expr] or the first index [expr: ]. */
2579 p
= skipwhite(p
+ 1);
2585 if (eval1(&p
, &var1
, TRUE
) == FAIL
) /* recursive! */
2587 if (get_tv_string_chk(&var1
) == NULL
)
2589 /* not a number or string */
2595 /* Optionally get the second index [ :expr]. */
2598 if (lp
->ll_tv
->v_type
== VAR_DICT
)
2601 EMSG(_(e_dictrange
));
2606 if (rettv
!= NULL
&& (rettv
->v_type
!= VAR_LIST
2607 || rettv
->vval
.v_list
== NULL
))
2610 EMSG(_("E709: [:] requires a List value"));
2615 p
= skipwhite(p
+ 1);
2617 lp
->ll_empty2
= TRUE
;
2620 lp
->ll_empty2
= FALSE
;
2621 if (eval1(&p
, &var2
, TRUE
) == FAIL
) /* recursive! */
2627 if (get_tv_string_chk(&var2
) == NULL
)
2629 /* not a number or string */
2636 lp
->ll_range
= TRUE
;
2639 lp
->ll_range
= FALSE
;
2644 EMSG(_(e_missbrac
));
2647 if (lp
->ll_range
&& !lp
->ll_empty2
)
2652 /* Skip to past ']'. */
2656 if (lp
->ll_tv
->v_type
== VAR_DICT
)
2660 /* "[key]": get key from "var1" */
2661 key
= get_tv_string(&var1
); /* is number or string */
2665 EMSG(_(e_emptykey
));
2671 lp
->ll_dict
= lp
->ll_tv
->vval
.v_dict
;
2672 lp
->ll_di
= dict_find(lp
->ll_dict
, key
, len
);
2673 if (lp
->ll_di
== NULL
)
2675 /* Key does not exist in dict: may need to add it. */
2676 if (*p
== '[' || *p
== '.' || unlet
)
2679 EMSG2(_(e_dictkey
), key
);
2685 lp
->ll_newkey
= vim_strsave(key
);
2687 lp
->ll_newkey
= vim_strnsave(key
, len
);
2690 if (lp
->ll_newkey
== NULL
)
2696 lp
->ll_tv
= &lp
->ll_di
->di_tv
;
2701 * Get the number and item for the only or first index of the List.
2707 lp
->ll_n1
= get_tv_number(&var1
); /* is number or string */
2711 lp
->ll_list
= lp
->ll_tv
->vval
.v_list
;
2712 lp
->ll_li
= list_find(lp
->ll_list
, lp
->ll_n1
);
2713 if (lp
->ll_li
== NULL
)
2718 lp
->ll_li
= list_find(lp
->ll_list
, lp
->ll_n1
);
2721 if (lp
->ll_li
== NULL
)
2723 if (lp
->ll_range
&& !lp
->ll_empty2
)
2729 * May need to find the item or absolute index for the second
2731 * When no index given: "lp->ll_empty2" is TRUE.
2732 * Otherwise "lp->ll_n2" is set to the second index.
2734 if (lp
->ll_range
&& !lp
->ll_empty2
)
2736 lp
->ll_n2
= get_tv_number(&var2
); /* is number or string */
2740 ni
= list_find(lp
->ll_list
, lp
->ll_n2
);
2743 lp
->ll_n2
= list_idx_of_item(lp
->ll_list
, ni
);
2746 /* Check that lp->ll_n2 isn't before lp->ll_n1. */
2748 lp
->ll_n1
= list_idx_of_item(lp
->ll_list
, lp
->ll_li
);
2749 if (lp
->ll_n2
< lp
->ll_n1
)
2753 lp
->ll_tv
= &lp
->ll_li
->li_tv
;
2761 * Clear lval "lp" that was filled by get_lval().
2767 vim_free(lp
->ll_exp_name
);
2768 vim_free(lp
->ll_newkey
);
2772 * Set a variable that was parsed by get_lval() to "rettv".
2773 * "endp" points to just after the parsed name.
2774 * "op" is NULL, "+" for "+=", "-" for "-=", "." for ".=" or "=" for "=".
2777 set_var_lval(lp
, endp
, rettv
, copy
, op
)
2788 if (lp
->ll_tv
== NULL
)
2790 if (!check_changedtick(lp
->ll_name
))
2794 if (op
!= NULL
&& *op
!= '=')
2798 /* handle +=, -= and .= */
2799 if (get_var_tv(lp
->ll_name
, (int)STRLEN(lp
->ll_name
),
2802 if (tv_op(&tv
, rettv
, op
) == OK
)
2803 set_var(lp
->ll_name
, &tv
, FALSE
);
2808 set_var(lp
->ll_name
, rettv
, copy
);
2812 else if (tv_check_lock(lp
->ll_newkey
== NULL
2814 : lp
->ll_tv
->vval
.v_dict
->dv_lock
, lp
->ll_name
))
2816 else if (lp
->ll_range
)
2819 * Assign the List values to the list items.
2821 for (ri
= rettv
->vval
.v_list
->lv_first
; ri
!= NULL
; )
2823 if (op
!= NULL
&& *op
!= '=')
2824 tv_op(&lp
->ll_li
->li_tv
, &ri
->li_tv
, op
);
2827 clear_tv(&lp
->ll_li
->li_tv
);
2828 copy_tv(&ri
->li_tv
, &lp
->ll_li
->li_tv
);
2831 if (ri
== NULL
|| (!lp
->ll_empty2
&& lp
->ll_n2
== lp
->ll_n1
))
2833 if (lp
->ll_li
->li_next
== NULL
)
2835 /* Need to add an empty item. */
2836 if (list_append_number(lp
->ll_list
, 0) == FAIL
)
2842 lp
->ll_li
= lp
->ll_li
->li_next
;
2846 EMSG(_("E710: List value has more items than target"));
2847 else if (lp
->ll_empty2
2848 ? (lp
->ll_li
!= NULL
&& lp
->ll_li
->li_next
!= NULL
)
2849 : lp
->ll_n1
!= lp
->ll_n2
)
2850 EMSG(_("E711: List value has not enough items"));
2855 * Assign to a List or Dictionary item.
2857 if (lp
->ll_newkey
!= NULL
)
2859 if (op
!= NULL
&& *op
!= '=')
2861 EMSG2(_(e_letwrong
), op
);
2865 /* Need to add an item to the Dictionary. */
2866 di
= dictitem_alloc(lp
->ll_newkey
);
2869 if (dict_add(lp
->ll_tv
->vval
.v_dict
, di
) == FAIL
)
2874 lp
->ll_tv
= &di
->di_tv
;
2876 else if (op
!= NULL
&& *op
!= '=')
2878 tv_op(lp
->ll_tv
, rettv
, op
);
2882 clear_tv(lp
->ll_tv
);
2885 * Assign the value to the variable or list item.
2888 copy_tv(rettv
, lp
->ll_tv
);
2891 *lp
->ll_tv
= *rettv
;
2892 lp
->ll_tv
->v_lock
= 0;
2899 * Handle "tv1 += tv2", "tv1 -= tv2" and "tv1 .= tv2"
2900 * Returns OK or FAIL.
2909 char_u numbuf
[NUMBUFLEN
];
2912 /* Can't do anything with a Funcref or a Dict on the right. */
2913 if (tv2
->v_type
!= VAR_FUNC
&& tv2
->v_type
!= VAR_DICT
)
2915 switch (tv1
->v_type
)
2922 if (*op
!= '+' || tv2
->v_type
!= VAR_LIST
)
2925 if (tv1
->vval
.v_list
!= NULL
&& tv2
->vval
.v_list
!= NULL
)
2926 list_extend(tv1
->vval
.v_list
, tv2
->vval
.v_list
, NULL
);
2931 if (tv2
->v_type
== VAR_LIST
)
2933 if (*op
== '+' || *op
== '-')
2935 /* nr += nr or nr -= nr*/
2936 n
= get_tv_number(tv1
);
2938 if (tv2
->v_type
== VAR_FLOAT
)
2943 f
+= tv2
->vval
.v_float
;
2945 f
-= tv2
->vval
.v_float
;
2947 tv1
->v_type
= VAR_FLOAT
;
2948 tv1
->vval
.v_float
= f
;
2954 n
+= get_tv_number(tv2
);
2956 n
-= get_tv_number(tv2
);
2958 tv1
->v_type
= VAR_NUMBER
;
2959 tv1
->vval
.v_number
= n
;
2964 if (tv2
->v_type
== VAR_FLOAT
)
2968 s
= get_tv_string(tv1
);
2969 s
= concat_str(s
, get_tv_string_buf(tv2
, numbuf
));
2971 tv1
->v_type
= VAR_STRING
;
2972 tv1
->vval
.v_string
= s
;
2981 if (*op
== '.' || (tv2
->v_type
!= VAR_FLOAT
2982 && tv2
->v_type
!= VAR_NUMBER
2983 && tv2
->v_type
!= VAR_STRING
))
2985 if (tv2
->v_type
== VAR_FLOAT
)
2986 f
= tv2
->vval
.v_float
;
2988 f
= get_tv_number(tv2
);
2990 tv1
->vval
.v_float
+= f
;
2992 tv1
->vval
.v_float
-= f
;
2999 EMSG2(_(e_letwrong
), op
);
3004 * Add a watcher to a list.
3007 list_add_watch(l
, lw
)
3011 lw
->lw_next
= l
->lv_watch
;
3016 * Remove a watcher from a list.
3017 * No warning when it isn't found...
3020 list_rem_watch(l
, lwrem
)
3024 listwatch_T
*lw
, **lwp
;
3027 for (lw
= l
->lv_watch
; lw
!= NULL
; lw
= lw
->lw_next
)
3039 * Just before removing an item from a list: advance watchers to the next
3043 list_fix_watch(l
, item
)
3049 for (lw
= l
->lv_watch
; lw
!= NULL
; lw
= lw
->lw_next
)
3050 if (lw
->lw_item
== item
)
3051 lw
->lw_item
= item
->li_next
;
3055 * Evaluate the expression used in a ":for var in expr" command.
3056 * "arg" points to "var".
3057 * Set "*errp" to TRUE for an error, FALSE otherwise;
3058 * Return a pointer that holds the info. Null when there is an error.
3061 eval_for_line(arg
, errp
, nextcmdp
, skip
)
3072 *errp
= TRUE
; /* default: there is an error */
3074 fi
= (forinfo_T
*)alloc_clear(sizeof(forinfo_T
));
3078 expr
= skip_var_list(arg
, &fi
->fi_varcount
, &fi
->fi_semicolon
);
3082 expr
= skipwhite(expr
);
3083 if (expr
[0] != 'i' || expr
[1] != 'n' || !vim_iswhite(expr
[2]))
3085 EMSG(_("E690: Missing \"in\" after :for"));
3091 if (eval0(skipwhite(expr
+ 2), &tv
, nextcmdp
, !skip
) == OK
)
3097 if (tv
.v_type
!= VAR_LIST
|| l
== NULL
)
3104 /* No need to increment the refcount, it's already set for the
3105 * list being used in "tv". */
3107 list_add_watch(l
, &fi
->fi_lw
);
3108 fi
->fi_lw
.lw_item
= l
->lv_first
;
3119 * Use the first item in a ":for" list. Advance to the next.
3120 * Assign the values to the variable (list). "arg" points to the first one.
3121 * Return TRUE when a valid item was found, FALSE when at end of list or
3125 next_for_item(fi_void
, arg
)
3129 forinfo_T
*fi
= (forinfo_T
*)fi_void
;
3133 item
= fi
->fi_lw
.lw_item
;
3138 fi
->fi_lw
.lw_item
= item
->li_next
;
3139 result
= (ex_let_vars(arg
, &item
->li_tv
, TRUE
,
3140 fi
->fi_semicolon
, fi
->fi_varcount
, NULL
) == OK
);
3146 * Free the structure used to store info used by ":for".
3149 free_for_info(fi_void
)
3152 forinfo_T
*fi
= (forinfo_T
*)fi_void
;
3154 if (fi
!= NULL
&& fi
->fi_list
!= NULL
)
3156 list_rem_watch(fi
->fi_list
, &fi
->fi_lw
);
3157 list_unref(fi
->fi_list
);
3162 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
3165 set_context_for_expression(xp
, arg
, cmdidx
)
3174 if (cmdidx
== CMD_let
)
3176 xp
->xp_context
= EXPAND_USER_VARS
;
3177 if (vim_strpbrk(arg
, (char_u
*)"\"'+-*/%.=!?~|&$([<>,#") == NULL
)
3179 /* ":let var1 var2 ...": find last space. */
3180 for (p
= arg
+ STRLEN(arg
); p
>= arg
; )
3183 mb_ptr_back(arg
, p
);
3184 if (vim_iswhite(*p
))
3191 xp
->xp_context
= cmdidx
== CMD_call
? EXPAND_FUNCTIONS
3192 : EXPAND_EXPRESSION
;
3193 while ((xp
->xp_pattern
= vim_strpbrk(arg
,
3194 (char_u
*)"\"'+-*/%.=!?~|&$([<>,#")) != NULL
)
3196 c
= *xp
->xp_pattern
;
3199 c
= xp
->xp_pattern
[1];
3203 xp
->xp_context
= cmdidx
!= CMD_let
|| got_eq
3204 ? EXPAND_EXPRESSION
: EXPAND_NOTHING
;
3208 xp
->xp_context
= EXPAND_SETTINGS
;
3209 if ((c
== 'l' || c
== 'g') && xp
->xp_pattern
[2] == ':')
3210 xp
->xp_pattern
+= 2;
3216 /* environment variable */
3217 xp
->xp_context
= EXPAND_ENV_VARS
;
3222 xp
->xp_context
= EXPAND_EXPRESSION
;
3225 && xp
->xp_context
== EXPAND_FUNCTIONS
3226 && vim_strchr(xp
->xp_pattern
, '(') == NULL
)
3228 /* Function name can start with "<SNR>" */
3231 else if (cmdidx
!= CMD_let
|| got_eq
)
3233 if (c
== '"') /* string */
3235 while ((c
= *++xp
->xp_pattern
) != NUL
&& c
!= '"')
3236 if (c
== '\\' && xp
->xp_pattern
[1] != NUL
)
3238 xp
->xp_context
= EXPAND_NOTHING
;
3240 else if (c
== '\'') /* literal string */
3242 /* Trick: '' is like stopping and starting a literal string. */
3243 while ((c
= *++xp
->xp_pattern
) != NUL
&& c
!= '\'')
3245 xp
->xp_context
= EXPAND_NOTHING
;
3249 if (xp
->xp_pattern
[1] == '|')
3252 xp
->xp_context
= EXPAND_EXPRESSION
;
3255 xp
->xp_context
= EXPAND_COMMANDS
;
3258 xp
->xp_context
= EXPAND_EXPRESSION
;
3261 /* Doesn't look like something valid, expand as an expression
3263 xp
->xp_context
= EXPAND_EXPRESSION
;
3264 arg
= xp
->xp_pattern
;
3266 while ((c
= *++arg
) != NUL
&& (c
== ' ' || c
== '\t'))
3269 xp
->xp_pattern
= arg
;
3272 #endif /* FEAT_CMDL_COMPL */
3275 * ":1,25call func(arg1, arg2)" function call.
3281 char_u
*arg
= eap
->arg
;
3292 tofree
= trans_function_name(&arg
, eap
->skip
, TFN_INT
, &fudi
);
3293 if (fudi
.fd_newkey
!= NULL
)
3295 /* Still need to give an error message for missing key. */
3296 EMSG2(_(e_dictkey
), fudi
.fd_newkey
);
3297 vim_free(fudi
.fd_newkey
);
3302 /* Increase refcount on dictionary, it could get deleted when evaluating
3304 if (fudi
.fd_dict
!= NULL
)
3305 ++fudi
.fd_dict
->dv_refcount
;
3307 /* If it is the name of a variable of type VAR_FUNC use its contents. */
3308 len
= (int)STRLEN(tofree
);
3309 name
= deref_func_name(tofree
, &len
);
3311 /* Skip white space to allow ":call func ()". Not good, but required for
3312 * backward compatibility. */
3313 startarg
= skipwhite(arg
);
3314 rettv
.v_type
= VAR_UNKNOWN
; /* clear_tv() uses this */
3316 if (*startarg
!= '(')
3318 EMSG2(_("E107: Missing parentheses: %s"), eap
->arg
);
3323 * When skipping, evaluate the function once, to find the end of the
3325 * When the function takes a range, this is discovered after the first
3326 * call, and the loop is broken.
3331 lnum
= eap
->line2
; /* do it once, also with an invalid range */
3335 for ( ; lnum
<= eap
->line2
; ++lnum
)
3337 if (!eap
->skip
&& eap
->addr_count
> 0)
3339 curwin
->w_cursor
.lnum
= lnum
;
3340 curwin
->w_cursor
.col
= 0;
3343 if (get_func_tv(name
, (int)STRLEN(name
), &rettv
, &arg
,
3344 eap
->line1
, eap
->line2
, &doesrange
,
3345 !eap
->skip
, fudi
.fd_dict
) == FAIL
)
3351 /* Handle a function returning a Funcref, Dictionary or List. */
3352 if (handle_subscript(&arg
, &rettv
, !eap
->skip
, TRUE
) == FAIL
)
3359 if (doesrange
|| eap
->skip
)
3362 /* Stop when immediately aborting on error, or when an interrupt
3363 * occurred or an exception was thrown but not caught.
3364 * get_func_tv() returned OK, so that the check for trailing
3365 * characters below is executed. */
3374 /* Check for trailing illegal characters and a following command. */
3375 if (!ends_excmd(*arg
))
3378 EMSG(_(e_trailing
));
3381 eap
->nextcmd
= check_nextcmd(arg
);
3385 dict_unref(fudi
.fd_dict
);
3390 * ":unlet[!] var1 ... " command.
3396 ex_unletlock(eap
, eap
->arg
, 0);
3400 * ":lockvar" and ":unlockvar" commands
3406 char_u
*arg
= eap
->arg
;
3411 else if (vim_isdigit(*arg
))
3413 deep
= getdigits(&arg
);
3414 arg
= skipwhite(arg
);
3417 ex_unletlock(eap
, arg
, deep
);
3421 * ":unlet", ":lockvar" and ":unlockvar" are quite similar.
3424 ex_unletlock(eap
, argstart
, deep
)
3429 char_u
*arg
= argstart
;
3436 /* Parse the name and find the end. */
3437 name_end
= get_lval(arg
, NULL
, &lv
, TRUE
, eap
->skip
|| error
, FALSE
,
3439 if (lv
.ll_name
== NULL
)
3440 error
= TRUE
; /* error but continue parsing */
3441 if (name_end
== NULL
|| (!vim_iswhite(*name_end
)
3442 && !ends_excmd(*name_end
)))
3444 if (name_end
!= NULL
)
3447 EMSG(_(e_trailing
));
3449 if (!(eap
->skip
|| error
))
3454 if (!error
&& !eap
->skip
)
3456 if (eap
->cmdidx
== CMD_unlet
)
3458 if (do_unlet_var(&lv
, name_end
, eap
->forceit
) == FAIL
)
3463 if (do_lock_var(&lv
, name_end
, deep
,
3464 eap
->cmdidx
== CMD_lockvar
) == FAIL
)
3472 arg
= skipwhite(name_end
);
3473 } while (!ends_excmd(*arg
));
3475 eap
->nextcmd
= check_nextcmd(arg
);
3479 do_unlet_var(lp
, name_end
, forceit
)
3487 if (lp
->ll_tv
== NULL
)
3492 /* Normal name or expanded name. */
3493 if (check_changedtick(lp
->ll_name
))
3495 else if (do_unlet(lp
->ll_name
, forceit
) == FAIL
)
3499 else if (tv_check_lock(lp
->ll_tv
->v_lock
, lp
->ll_name
))
3501 else if (lp
->ll_range
)
3505 /* Delete a range of List items. */
3506 while (lp
->ll_li
!= NULL
&& (lp
->ll_empty2
|| lp
->ll_n2
>= lp
->ll_n1
))
3508 li
= lp
->ll_li
->li_next
;
3509 listitem_remove(lp
->ll_list
, lp
->ll_li
);
3516 if (lp
->ll_list
!= NULL
)
3517 /* unlet a List item. */
3518 listitem_remove(lp
->ll_list
, lp
->ll_li
);
3520 /* unlet a Dictionary item. */
3521 dictitem_remove(lp
->ll_dict
, lp
->ll_di
);
3528 * "unlet" a variable. Return OK if it existed, FAIL if not.
3529 * When "forceit" is TRUE don't complain if the variable doesn't exist.
3532 do_unlet(name
, forceit
)
3541 ht
= find_var_ht(name
, &varname
);
3542 if (ht
!= NULL
&& *varname
!= NUL
)
3544 hi
= hash_find(ht
, varname
);
3545 if (!HASHITEM_EMPTY(hi
))
3548 if (var_check_fixed(di
->di_flags
, name
)
3549 || var_check_ro(di
->di_flags
, name
))
3557 EMSG2(_("E108: No such variable: \"%s\""), name
);
3562 * Lock or unlock variable indicated by "lp".
3563 * "deep" is the levels to go (-1 for unlimited);
3564 * "lock" is TRUE for ":lockvar", FALSE for ":unlockvar".
3567 do_lock_var(lp
, name_end
, deep
, lock
)
3577 if (deep
== 0) /* nothing to do */
3580 if (lp
->ll_tv
== NULL
)
3585 /* Normal name or expanded name. */
3586 if (check_changedtick(lp
->ll_name
))
3590 di
= find_var(lp
->ll_name
, NULL
);
3596 di
->di_flags
|= DI_FLAGS_LOCK
;
3598 di
->di_flags
&= ~DI_FLAGS_LOCK
;
3599 item_lock(&di
->di_tv
, deep
, lock
);
3604 else if (lp
->ll_range
)
3606 listitem_T
*li
= lp
->ll_li
;
3608 /* (un)lock a range of List items. */
3609 while (li
!= NULL
&& (lp
->ll_empty2
|| lp
->ll_n2
>= lp
->ll_n1
))
3611 item_lock(&li
->li_tv
, deep
, lock
);
3616 else if (lp
->ll_list
!= NULL
)
3617 /* (un)lock a List item. */
3618 item_lock(&lp
->ll_li
->li_tv
, deep
, lock
);
3620 /* un(lock) a Dictionary item. */
3621 item_lock(&lp
->ll_di
->di_tv
, deep
, lock
);
3627 * Lock or unlock an item. "deep" is nr of levels to go.
3630 item_lock(tv
, deep
, lock
)
3635 static int recurse
= 0;
3642 if (recurse
>= DICT_MAXNEST
)
3644 EMSG(_("E743: variable nested too deep for (un)lock"));
3651 /* lock/unlock the item itself */
3653 tv
->v_lock
|= VAR_LOCKED
;
3655 tv
->v_lock
&= ~VAR_LOCKED
;
3660 if ((l
= tv
->vval
.v_list
) != NULL
)
3663 l
->lv_lock
|= VAR_LOCKED
;
3665 l
->lv_lock
&= ~VAR_LOCKED
;
3666 if (deep
< 0 || deep
> 1)
3667 /* recursive: lock/unlock the items the List contains */
3668 for (li
= l
->lv_first
; li
!= NULL
; li
= li
->li_next
)
3669 item_lock(&li
->li_tv
, deep
- 1, lock
);
3673 if ((d
= tv
->vval
.v_dict
) != NULL
)
3676 d
->dv_lock
|= VAR_LOCKED
;
3678 d
->dv_lock
&= ~VAR_LOCKED
;
3679 if (deep
< 0 || deep
> 1)
3681 /* recursive: lock/unlock the items the List contains */
3682 todo
= (int)d
->dv_hashtab
.ht_used
;
3683 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
3685 if (!HASHITEM_EMPTY(hi
))
3688 item_lock(&HI2DI(hi
)->di_tv
, deep
- 1, lock
);
3698 * Return TRUE if typeval "tv" is locked: Either that value is locked itself
3699 * or it refers to a List or Dictionary that is locked.
3705 return (tv
->v_lock
& VAR_LOCKED
)
3706 || (tv
->v_type
== VAR_LIST
3707 && tv
->vval
.v_list
!= NULL
3708 && (tv
->vval
.v_list
->lv_lock
& VAR_LOCKED
))
3709 || (tv
->v_type
== VAR_DICT
3710 && tv
->vval
.v_dict
!= NULL
3711 && (tv
->vval
.v_dict
->dv_lock
& VAR_LOCKED
));
3714 #if (defined(FEAT_MENU) && defined(FEAT_MULTI_LANG)) || defined(PROTO)
3716 * Delete all "menutrans_" variables.
3719 del_menutrans_vars()
3724 hash_lock(&globvarht
);
3725 todo
= (int)globvarht
.ht_used
;
3726 for (hi
= globvarht
.ht_array
; todo
> 0 && !got_int
; ++hi
)
3728 if (!HASHITEM_EMPTY(hi
))
3731 if (STRNCMP(HI2DI(hi
)->di_key
, "menutrans_", 10) == 0)
3732 delete_var(&globvarht
, hi
);
3735 hash_unlock(&globvarht
);
3739 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
3742 * Local string buffer for the next two functions to store a variable name
3743 * with its prefix. Allocated in cat_prefix_varname(), freed later in
3744 * get_user_var_name().
3747 static char_u
*cat_prefix_varname
__ARGS((int prefix
, char_u
*name
));
3749 static char_u
*varnamebuf
= NULL
;
3750 static int varnamebuflen
= 0;
3753 * Function to concatenate a prefix and a variable name.
3756 cat_prefix_varname(prefix
, name
)
3762 len
= (int)STRLEN(name
) + 3;
3763 if (len
> varnamebuflen
)
3765 vim_free(varnamebuf
);
3766 len
+= 10; /* some additional space */
3767 varnamebuf
= alloc(len
);
3768 if (varnamebuf
== NULL
)
3773 varnamebuflen
= len
;
3775 *varnamebuf
= prefix
;
3776 varnamebuf
[1] = ':';
3777 STRCPY(varnamebuf
+ 2, name
);
3782 * Function given to ExpandGeneric() to obtain the list of user defined
3783 * (global/buffer/window/built-in) variable names.
3786 get_user_var_name(xp
, idx
)
3790 static long_u gdone
;
3791 static long_u bdone
;
3792 static long_u wdone
;
3794 static long_u tdone
;
3797 static hashitem_T
*hi
;
3802 gdone
= bdone
= wdone
= vidx
= 0;
3808 /* Global variables */
3809 if (gdone
< globvarht
.ht_used
)
3812 hi
= globvarht
.ht_array
;
3815 while (HASHITEM_EMPTY(hi
))
3817 if (STRNCMP("g:", xp
->xp_pattern
, 2) == 0)
3818 return cat_prefix_varname('g', hi
->hi_key
);
3823 ht
= &curbuf
->b_vars
.dv_hashtab
;
3824 if (bdone
< ht
->ht_used
)
3830 while (HASHITEM_EMPTY(hi
))
3832 return cat_prefix_varname('b', hi
->hi_key
);
3834 if (bdone
== ht
->ht_used
)
3837 return (char_u
*)"b:changedtick";
3841 ht
= &curwin
->w_vars
.dv_hashtab
;
3842 if (wdone
< ht
->ht_used
)
3848 while (HASHITEM_EMPTY(hi
))
3850 return cat_prefix_varname('w', hi
->hi_key
);
3855 ht
= &curtab
->tp_vars
.dv_hashtab
;
3856 if (tdone
< ht
->ht_used
)
3862 while (HASHITEM_EMPTY(hi
))
3864 return cat_prefix_varname('t', hi
->hi_key
);
3870 return cat_prefix_varname('v', (char_u
*)vimvars
[vidx
++].vv_name
);
3872 vim_free(varnamebuf
);
3878 #endif /* FEAT_CMDL_COMPL */
3881 * types for expressions.
3886 , TYPE_EQUAL
/* == */
3887 , TYPE_NEQUAL
/* != */
3888 , TYPE_GREATER
/* > */
3889 , TYPE_GEQUAL
/* >= */
3890 , TYPE_SMALLER
/* < */
3891 , TYPE_SEQUAL
/* <= */
3892 , TYPE_MATCH
/* =~ */
3893 , TYPE_NOMATCH
/* !~ */
3897 * The "evaluate" argument: When FALSE, the argument is only parsed but not
3898 * executed. The function may return OK, but the rettv will be of type
3899 * VAR_UNKNOWN. The function still returns FAIL for a syntax error.
3903 * Handle zero level expression.
3904 * This calls eval1() and handles error message and nextcmd.
3905 * Put the result in "rettv" when returning OK and "evaluate" is TRUE.
3906 * Note: "rettv.v_lock" is not set.
3907 * Return OK or FAIL.
3910 eval0(arg
, rettv
, nextcmd
, evaluate
)
3920 ret
= eval1(&p
, rettv
, evaluate
);
3921 if (ret
== FAIL
|| !ends_excmd(*p
))
3926 * Report the invalid expression unless the expression evaluation has
3927 * been cancelled due to an aborting error, an interrupt, or an
3931 EMSG2(_(e_invexpr2
), arg
);
3934 if (nextcmd
!= NULL
)
3935 *nextcmd
= check_nextcmd(p
);
3941 * Handle top level expression:
3942 * expr2 ? expr1 : expr1
3944 * "arg" must point to the first non-white of the expression.
3945 * "arg" is advanced to the next non-white after the recognized expression.
3947 * Note: "rettv.v_lock" is not set.
3949 * Return OK or FAIL.
3952 eval1(arg
, rettv
, evaluate
)
3961 * Get the first variable.
3963 if (eval2(arg
, rettv
, evaluate
) == FAIL
)
3966 if ((*arg
)[0] == '?')
3973 if (get_tv_number_chk(rettv
, &error
) != 0)
3981 * Get the second variable.
3983 *arg
= skipwhite(*arg
+ 1);
3984 if (eval1(arg
, rettv
, evaluate
&& result
) == FAIL
) /* recursive! */
3988 * Check for the ":".
3990 if ((*arg
)[0] != ':')
3992 EMSG(_("E109: Missing ':' after '?'"));
3993 if (evaluate
&& result
)
3999 * Get the third variable.
4001 *arg
= skipwhite(*arg
+ 1);
4002 if (eval1(arg
, &var2
, evaluate
&& !result
) == FAIL
) /* recursive! */
4004 if (evaluate
&& result
)
4008 if (evaluate
&& !result
)
4016 * Handle first level expression:
4017 * expr2 || expr2 || expr2 logical OR
4019 * "arg" must point to the first non-white of the expression.
4020 * "arg" is advanced to the next non-white after the recognized expression.
4022 * Return OK or FAIL.
4025 eval2(arg
, rettv
, evaluate
)
4036 * Get the first variable.
4038 if (eval3(arg
, rettv
, evaluate
) == FAIL
)
4042 * Repeat until there is no following "||".
4046 while ((*arg
)[0] == '|' && (*arg
)[1] == '|')
4048 if (evaluate
&& first
)
4050 if (get_tv_number_chk(rettv
, &error
) != 0)
4059 * Get the second variable.
4061 *arg
= skipwhite(*arg
+ 2);
4062 if (eval3(arg
, &var2
, evaluate
&& !result
) == FAIL
)
4066 * Compute the result.
4068 if (evaluate
&& !result
)
4070 if (get_tv_number_chk(&var2
, &error
) != 0)
4078 rettv
->v_type
= VAR_NUMBER
;
4079 rettv
->vval
.v_number
= result
;
4087 * Handle second level expression:
4088 * expr3 && expr3 && expr3 logical AND
4090 * "arg" must point to the first non-white of the expression.
4091 * "arg" is advanced to the next non-white after the recognized expression.
4093 * Return OK or FAIL.
4096 eval3(arg
, rettv
, evaluate
)
4107 * Get the first variable.
4109 if (eval4(arg
, rettv
, evaluate
) == FAIL
)
4113 * Repeat until there is no following "&&".
4117 while ((*arg
)[0] == '&' && (*arg
)[1] == '&')
4119 if (evaluate
&& first
)
4121 if (get_tv_number_chk(rettv
, &error
) == 0)
4130 * Get the second variable.
4132 *arg
= skipwhite(*arg
+ 2);
4133 if (eval4(arg
, &var2
, evaluate
&& result
) == FAIL
)
4137 * Compute the result.
4139 if (evaluate
&& result
)
4141 if (get_tv_number_chk(&var2
, &error
) == 0)
4149 rettv
->v_type
= VAR_NUMBER
;
4150 rettv
->vval
.v_number
= result
;
4158 * Handle third level expression:
4170 * "arg" must point to the first non-white of the expression.
4171 * "arg" is advanced to the next non-white after the recognized expression.
4173 * Return OK or FAIL.
4176 eval4(arg
, rettv
, evaluate
)
4184 exptype_T type
= TYPE_UNKNOWN
;
4185 int type_is
= FALSE
; /* TRUE for "is" and "isnot" */
4189 char_u buf1
[NUMBUFLEN
], buf2
[NUMBUFLEN
];
4190 regmatch_T regmatch
;
4195 * Get the first variable.
4197 if (eval5(arg
, rettv
, evaluate
) == FAIL
)
4203 case '=': if (p
[1] == '=')
4205 else if (p
[1] == '~')
4208 case '!': if (p
[1] == '=')
4210 else if (p
[1] == '~')
4211 type
= TYPE_NOMATCH
;
4213 case '>': if (p
[1] != '=')
4215 type
= TYPE_GREATER
;
4221 case '<': if (p
[1] != '=')
4223 type
= TYPE_SMALLER
;
4229 case 'i': if (p
[1] == 's')
4231 if (p
[2] == 'n' && p
[3] == 'o' && p
[4] == 't')
4233 if (!vim_isIDc(p
[len
]))
4235 type
= len
== 2 ? TYPE_EQUAL
: TYPE_NEQUAL
;
4243 * If there is a comparative operator, use it.
4245 if (type
!= TYPE_UNKNOWN
)
4247 /* extra question mark appended: ignore case */
4253 /* extra '#' appended: match case */
4254 else if (p
[len
] == '#')
4259 /* nothing appended: use 'ignorecase' */
4264 * Get the second variable.
4266 *arg
= skipwhite(p
+ len
);
4267 if (eval5(arg
, &var2
, evaluate
) == FAIL
)
4275 if (type_is
&& rettv
->v_type
!= var2
.v_type
)
4277 /* For "is" a different type always means FALSE, for "notis"
4279 n1
= (type
== TYPE_NEQUAL
);
4281 else if (rettv
->v_type
== VAR_LIST
|| var2
.v_type
== VAR_LIST
)
4285 n1
= (rettv
->v_type
== var2
.v_type
4286 && rettv
->vval
.v_list
== var2
.vval
.v_list
);
4287 if (type
== TYPE_NEQUAL
)
4290 else if (rettv
->v_type
!= var2
.v_type
4291 || (type
!= TYPE_EQUAL
&& type
!= TYPE_NEQUAL
))
4293 if (rettv
->v_type
!= var2
.v_type
)
4294 EMSG(_("E691: Can only compare List with List"));
4296 EMSG(_("E692: Invalid operation for Lists"));
4303 /* Compare two Lists for being equal or unequal. */
4304 n1
= list_equal(rettv
->vval
.v_list
, var2
.vval
.v_list
, ic
);
4305 if (type
== TYPE_NEQUAL
)
4310 else if (rettv
->v_type
== VAR_DICT
|| var2
.v_type
== VAR_DICT
)
4314 n1
= (rettv
->v_type
== var2
.v_type
4315 && rettv
->vval
.v_dict
== var2
.vval
.v_dict
);
4316 if (type
== TYPE_NEQUAL
)
4319 else if (rettv
->v_type
!= var2
.v_type
4320 || (type
!= TYPE_EQUAL
&& type
!= TYPE_NEQUAL
))
4322 if (rettv
->v_type
!= var2
.v_type
)
4323 EMSG(_("E735: Can only compare Dictionary with Dictionary"));
4325 EMSG(_("E736: Invalid operation for Dictionary"));
4332 /* Compare two Dictionaries for being equal or unequal. */
4333 n1
= dict_equal(rettv
->vval
.v_dict
, var2
.vval
.v_dict
, ic
);
4334 if (type
== TYPE_NEQUAL
)
4339 else if (rettv
->v_type
== VAR_FUNC
|| var2
.v_type
== VAR_FUNC
)
4341 if (rettv
->v_type
!= var2
.v_type
4342 || (type
!= TYPE_EQUAL
&& type
!= TYPE_NEQUAL
))
4344 if (rettv
->v_type
!= var2
.v_type
)
4345 EMSG(_("E693: Can only compare Funcref with Funcref"));
4347 EMSG(_("E694: Invalid operation for Funcrefs"));
4354 /* Compare two Funcrefs for being equal or unequal. */
4355 if (rettv
->vval
.v_string
== NULL
4356 || var2
.vval
.v_string
== NULL
)
4359 n1
= STRCMP(rettv
->vval
.v_string
,
4360 var2
.vval
.v_string
) == 0;
4361 if (type
== TYPE_NEQUAL
)
4368 * If one of the two variables is a float, compare as a float.
4369 * When using "=~" or "!~", always compare as string.
4371 else if ((rettv
->v_type
== VAR_FLOAT
|| var2
.v_type
== VAR_FLOAT
)
4372 && type
!= TYPE_MATCH
&& type
!= TYPE_NOMATCH
)
4376 if (rettv
->v_type
== VAR_FLOAT
)
4377 f1
= rettv
->vval
.v_float
;
4379 f1
= get_tv_number(rettv
);
4380 if (var2
.v_type
== VAR_FLOAT
)
4381 f2
= var2
.vval
.v_float
;
4383 f2
= get_tv_number(&var2
);
4387 case TYPE_EQUAL
: n1
= (f1
== f2
); break;
4388 case TYPE_NEQUAL
: n1
= (f1
!= f2
); break;
4389 case TYPE_GREATER
: n1
= (f1
> f2
); break;
4390 case TYPE_GEQUAL
: n1
= (f1
>= f2
); break;
4391 case TYPE_SMALLER
: n1
= (f1
< f2
); break;
4392 case TYPE_SEQUAL
: n1
= (f1
<= f2
); break;
4395 case TYPE_NOMATCH
: break; /* avoid gcc warning */
4401 * If one of the two variables is a number, compare as a number.
4402 * When using "=~" or "!~", always compare as string.
4404 else if ((rettv
->v_type
== VAR_NUMBER
|| var2
.v_type
== VAR_NUMBER
)
4405 && type
!= TYPE_MATCH
&& type
!= TYPE_NOMATCH
)
4407 n1
= get_tv_number(rettv
);
4408 n2
= get_tv_number(&var2
);
4411 case TYPE_EQUAL
: n1
= (n1
== n2
); break;
4412 case TYPE_NEQUAL
: n1
= (n1
!= n2
); break;
4413 case TYPE_GREATER
: n1
= (n1
> n2
); break;
4414 case TYPE_GEQUAL
: n1
= (n1
>= n2
); break;
4415 case TYPE_SMALLER
: n1
= (n1
< n2
); break;
4416 case TYPE_SEQUAL
: n1
= (n1
<= n2
); break;
4419 case TYPE_NOMATCH
: break; /* avoid gcc warning */
4424 s1
= get_tv_string_buf(rettv
, buf1
);
4425 s2
= get_tv_string_buf(&var2
, buf2
);
4426 if (type
!= TYPE_MATCH
&& type
!= TYPE_NOMATCH
)
4427 i
= ic
? MB_STRICMP(s1
, s2
) : STRCMP(s1
, s2
);
4433 case TYPE_EQUAL
: n1
= (i
== 0); break;
4434 case TYPE_NEQUAL
: n1
= (i
!= 0); break;
4435 case TYPE_GREATER
: n1
= (i
> 0); break;
4436 case TYPE_GEQUAL
: n1
= (i
>= 0); break;
4437 case TYPE_SMALLER
: n1
= (i
< 0); break;
4438 case TYPE_SEQUAL
: n1
= (i
<= 0); break;
4442 /* avoid 'l' flag in 'cpoptions' */
4444 p_cpo
= (char_u
*)"";
4445 regmatch
.regprog
= vim_regcomp(s2
,
4446 RE_MAGIC
+ RE_STRING
);
4447 regmatch
.rm_ic
= ic
;
4448 if (regmatch
.regprog
!= NULL
)
4450 n1
= vim_regexec_nl(®match
, s1
, (colnr_T
)0);
4451 vim_free(regmatch
.regprog
);
4452 if (type
== TYPE_NOMATCH
)
4458 case TYPE_UNKNOWN
: break; /* avoid gcc warning */
4463 rettv
->v_type
= VAR_NUMBER
;
4464 rettv
->vval
.v_number
= n1
;
4472 * Handle fourth level expression:
4474 * - number subtraction
4475 * . string concatenation
4477 * "arg" must point to the first non-white of the expression.
4478 * "arg" is advanced to the next non-white after the recognized expression.
4480 * Return OK or FAIL.
4483 eval5(arg
, rettv
, evaluate
)
4493 float_T f1
= 0, f2
= 0;
4496 char_u buf1
[NUMBUFLEN
], buf2
[NUMBUFLEN
];
4500 * Get the first variable.
4502 if (eval6(arg
, rettv
, evaluate
, FALSE
) == FAIL
)
4506 * Repeat computing, until no '+', '-' or '.' is following.
4511 if (op
!= '+' && op
!= '-' && op
!= '.')
4514 if ((op
!= '+' || rettv
->v_type
!= VAR_LIST
)
4516 && (op
== '.' || rettv
->v_type
!= VAR_FLOAT
)
4520 /* For "list + ...", an illegal use of the first operand as
4521 * a number cannot be determined before evaluating the 2nd
4522 * operand: if this is also a list, all is ok.
4523 * For "something . ...", "something - ..." or "non-list + ...",
4524 * we know that the first operand needs to be a string or number
4525 * without evaluating the 2nd operand. So check before to avoid
4526 * side effects after an error. */
4527 if (evaluate
&& get_tv_string_chk(rettv
) == NULL
)
4535 * Get the second variable.
4537 *arg
= skipwhite(*arg
+ 1);
4538 if (eval6(arg
, &var2
, evaluate
, op
== '.') == FAIL
)
4547 * Compute the result.
4551 s1
= get_tv_string_buf(rettv
, buf1
); /* already checked */
4552 s2
= get_tv_string_buf_chk(&var2
, buf2
);
4553 if (s2
== NULL
) /* type error ? */
4559 p
= concat_str(s1
, s2
);
4561 rettv
->v_type
= VAR_STRING
;
4562 rettv
->vval
.v_string
= p
;
4564 else if (op
== '+' && rettv
->v_type
== VAR_LIST
4565 && var2
.v_type
== VAR_LIST
)
4567 /* concatenate Lists */
4568 if (list_concat(rettv
->vval
.v_list
, var2
.vval
.v_list
,
4583 if (rettv
->v_type
== VAR_FLOAT
)
4585 f1
= rettv
->vval
.v_float
;
4591 n1
= get_tv_number_chk(rettv
, &error
);
4594 /* This can only happen for "list + non-list". For
4595 * "non-list + ..." or "something - ...", we returned
4596 * before evaluating the 2nd operand. */
4601 if (var2
.v_type
== VAR_FLOAT
)
4606 if (var2
.v_type
== VAR_FLOAT
)
4608 f2
= var2
.vval
.v_float
;
4614 n2
= get_tv_number_chk(&var2
, &error
);
4622 if (rettv
->v_type
== VAR_FLOAT
)
4629 /* If there is a float on either side the result is a float. */
4630 if (rettv
->v_type
== VAR_FLOAT
|| var2
.v_type
== VAR_FLOAT
)
4636 rettv
->v_type
= VAR_FLOAT
;
4637 rettv
->vval
.v_float
= f1
;
4646 rettv
->v_type
= VAR_NUMBER
;
4647 rettv
->vval
.v_number
= n1
;
4657 * Handle fifth level expression:
4658 * * number multiplication
4662 * "arg" must point to the first non-white of the expression.
4663 * "arg" is advanced to the next non-white after the recognized expression.
4665 * Return OK or FAIL.
4668 eval6(arg
, rettv
, evaluate
, want_string
)
4672 int want_string
; /* after "." operator */
4678 int use_float
= FALSE
;
4684 * Get the first variable.
4686 if (eval7(arg
, rettv
, evaluate
, want_string
) == FAIL
)
4690 * Repeat computing, until no '*', '/' or '%' is following.
4695 if (op
!= '*' && op
!= '/' && op
!= '%')
4701 if (rettv
->v_type
== VAR_FLOAT
)
4703 f1
= rettv
->vval
.v_float
;
4709 n1
= get_tv_number_chk(rettv
, &error
);
4718 * Get the second variable.
4720 *arg
= skipwhite(*arg
+ 1);
4721 if (eval7(arg
, &var2
, evaluate
, FALSE
) == FAIL
)
4727 if (var2
.v_type
== VAR_FLOAT
)
4734 f2
= var2
.vval
.v_float
;
4740 n2
= get_tv_number_chk(&var2
, &error
);
4751 * Compute the result.
4752 * When either side is a float the result is a float.
4761 /* We rely on the floating point library to handle divide
4762 * by zero to result in "inf" and not a crash. */
4767 EMSG(_("E804: Cannot use '%' with Float"));
4770 rettv
->v_type
= VAR_FLOAT
;
4771 rettv
->vval
.v_float
= f1
;
4780 if (n2
== 0) /* give an error message? */
4783 n1
= -0x7fffffffL
- 1L; /* similar to NaN */
4794 if (n2
== 0) /* give an error message? */
4799 rettv
->v_type
= VAR_NUMBER
;
4800 rettv
->vval
.v_number
= n1
;
4809 * Handle sixth level expression:
4810 * number number constant
4811 * "string" string constant
4812 * 'string' literal string constant
4813 * &option-name option value
4814 * @r register contents
4815 * identifier variable value
4816 * function() function call
4817 * $VAR environment variable
4818 * (expression) nested expression
4820 * {key: val, key: val} Dictionary
4823 * ! in front logical NOT
4824 * - in front unary minus
4825 * + in front unary plus (ignored)
4826 * trailing [] subscript in String or List
4827 * trailing .name entry in Dictionary
4829 * "arg" must point to the first non-white of the expression.
4830 * "arg" is advanced to the next non-white after the recognized expression.
4832 * Return OK or FAIL.
4835 eval7(arg
, rettv
, evaluate
, want_string
)
4839 int want_string
; /* after "." operator */
4844 char_u
*start_leader
, *end_leader
;
4849 * Initialise variable so that clear_tv() can't mistake this for a
4850 * string and free a string that isn't there.
4852 rettv
->v_type
= VAR_UNKNOWN
;
4855 * Skip '!' and '-' characters. They are handled later.
4857 start_leader
= *arg
;
4858 while (**arg
== '!' || **arg
== '-' || **arg
== '+')
4859 *arg
= skipwhite(*arg
+ 1);
4879 char_u
*p
= skipdigits(*arg
+ 1);
4880 int get_float
= FALSE
;
4882 /* We accept a float when the format matches
4883 * "[0-9]\+\.[0-9]\+\([eE][+-]\?[0-9]\+\)\?". This is very
4884 * strict to avoid backwards compatibility problems.
4885 * Don't look for a float after the "." operator, so that
4886 * ":let vers = 1.2.3" doesn't fail. */
4887 if (!want_string
&& p
[0] == '.' && vim_isdigit(p
[1]))
4890 p
= skipdigits(p
+ 2);
4891 if (*p
== 'e' || *p
== 'E')
4894 if (*p
== '-' || *p
== '+')
4896 if (!vim_isdigit(*p
))
4899 p
= skipdigits(p
+ 1);
4901 if (ASCII_ISALPHA(*p
) || *p
== '.')
4908 *arg
+= string2float(*arg
, &f
);
4911 rettv
->v_type
= VAR_FLOAT
;
4912 rettv
->vval
.v_float
= f
;
4918 vim_str2nr(*arg
, NULL
, &len
, TRUE
, TRUE
, &n
, NULL
);
4922 rettv
->v_type
= VAR_NUMBER
;
4923 rettv
->vval
.v_number
= n
;
4930 * String constant: "string".
4932 case '"': ret
= get_string_tv(arg
, rettv
, evaluate
);
4936 * Literal string constant: 'str''ing'.
4938 case '\'': ret
= get_lit_string_tv(arg
, rettv
, evaluate
);
4942 * List: [expr, expr]
4944 case '[': ret
= get_list_tv(arg
, rettv
, evaluate
);
4948 * Dictionary: {key: val, key: val}
4950 case '{': ret
= get_dict_tv(arg
, rettv
, evaluate
);
4954 * Option value: &name
4956 case '&': ret
= get_option_tv(arg
, rettv
, evaluate
);
4960 * Environment variable: $VAR.
4962 case '$': ret
= get_env_tv(arg
, rettv
, evaluate
);
4966 * Register contents: @r.
4971 rettv
->v_type
= VAR_STRING
;
4972 rettv
->vval
.v_string
= get_reg_contents(**arg
, TRUE
, TRUE
);
4979 * nested expression: (expression).
4981 case '(': *arg
= skipwhite(*arg
+ 1);
4982 ret
= eval1(arg
, rettv
, evaluate
); /* recursive! */
4987 EMSG(_("E110: Missing ')'"));
4993 default: ret
= NOTDONE
;
5000 * Must be a variable or function name.
5001 * Can also be a curly-braces kind of name: {expr}.
5004 len
= get_name_len(arg
, &alias
, evaluate
, TRUE
);
5012 if (**arg
== '(') /* recursive! */
5014 /* If "s" is the name of a variable of type VAR_FUNC
5015 * use its contents. */
5016 s
= deref_func_name(s
, &len
);
5018 /* Invoke the function. */
5019 ret
= get_func_tv(s
, len
, rettv
, arg
,
5020 curwin
->w_cursor
.lnum
, curwin
->w_cursor
.lnum
,
5021 &len
, evaluate
, NULL
);
5022 /* Stop the expression evaluation when immediately
5023 * aborting on error, or when an interrupt occurred or
5024 * an exception was thrown but not caught. */
5033 ret
= get_var_tv(s
, len
, rettv
, TRUE
);
5042 *arg
= skipwhite(*arg
);
5044 /* Handle following '[', '(' and '.' for expr[expr], expr.name,
5047 ret
= handle_subscript(arg
, rettv
, evaluate
, TRUE
);
5050 * Apply logical NOT and unary '-', from right to left, ignore '+'.
5052 if (ret
== OK
&& evaluate
&& end_leader
> start_leader
)
5059 if (rettv
->v_type
== VAR_FLOAT
)
5060 f
= rettv
->vval
.v_float
;
5063 val
= get_tv_number_chk(rettv
, &error
);
5071 while (end_leader
> start_leader
)
5074 if (*end_leader
== '!')
5077 if (rettv
->v_type
== VAR_FLOAT
)
5083 else if (*end_leader
== '-')
5086 if (rettv
->v_type
== VAR_FLOAT
)
5094 if (rettv
->v_type
== VAR_FLOAT
)
5097 rettv
->vval
.v_float
= f
;
5103 rettv
->v_type
= VAR_NUMBER
;
5104 rettv
->vval
.v_number
= val
;
5113 * Evaluate an "[expr]" or "[expr:expr]" index. Also "dict.key".
5114 * "*arg" points to the '[' or '.'.
5115 * Returns FAIL or OK. "*arg" is advanced to after the ']'.
5118 eval_index(arg
, rettv
, evaluate
, verbose
)
5122 int verbose
; /* give error messages */
5124 int empty1
= FALSE
, empty2
= FALSE
;
5125 typval_T var1
, var2
;
5132 if (rettv
->v_type
== VAR_FUNC
5134 || rettv
->v_type
== VAR_FLOAT
5139 EMSG(_("E695: Cannot index a Funcref"));
5149 for (len
= 0; ASCII_ISALNUM(key
[len
]) || key
[len
] == '_'; ++len
)
5153 *arg
= skipwhite(key
+ len
);
5160 * Get the (first) variable from inside the [].
5162 *arg
= skipwhite(*arg
+ 1);
5165 else if (eval1(arg
, &var1
, evaluate
) == FAIL
) /* recursive! */
5167 else if (evaluate
&& get_tv_string_chk(&var1
) == NULL
)
5169 /* not a number or string */
5175 * Get the second variable from inside the [:].
5180 *arg
= skipwhite(*arg
+ 1);
5183 else if (eval1(arg
, &var2
, evaluate
) == FAIL
) /* recursive! */
5189 else if (evaluate
&& get_tv_string_chk(&var2
) == NULL
)
5191 /* not a number or string */
5199 /* Check for the ']'. */
5203 EMSG(_(e_missbrac
));
5209 *arg
= skipwhite(*arg
+ 1); /* skip the ']' */
5215 if (!empty1
&& rettv
->v_type
!= VAR_DICT
)
5217 n1
= get_tv_number(&var1
);
5226 n2
= get_tv_number(&var2
);
5231 switch (rettv
->v_type
)
5235 s
= get_tv_string(rettv
);
5236 len
= (long)STRLEN(s
);
5239 /* The resulting variable is a substring. If the indexes
5240 * are out of range the result is empty. */
5251 if (n1
>= len
|| n2
< 0 || n1
> n2
)
5254 s
= vim_strnsave(s
+ n1
, (int)(n2
- n1
+ 1));
5258 /* The resulting variable is a string of a single
5259 * character. If the index is too big or negative the
5260 * result is empty. */
5261 if (n1
>= len
|| n1
< 0)
5264 s
= vim_strnsave(s
+ n1
, 1);
5267 rettv
->v_type
= VAR_STRING
;
5268 rettv
->vval
.v_string
= s
;
5272 len
= list_len(rettv
->vval
.v_list
);
5275 if (!empty1
&& (n1
< 0 || n1
>= len
))
5277 /* For a range we allow invalid values and return an empty
5278 * list. A list index out of range is an error. */
5282 EMSGN(_(e_listidx
), n1
);
5296 if (!empty2
&& (n2
< 0 || n2
+ 1 < n1
))
5301 for (item
= list_find(rettv
->vval
.v_list
, n1
);
5304 if (list_append_tv(l
, &item
->li_tv
) == FAIL
)
5309 item
= item
->li_next
;
5312 rettv
->v_type
= VAR_LIST
;
5313 rettv
->vval
.v_list
= l
;
5318 copy_tv(&list_find(rettv
->vval
.v_list
, n1
)->li_tv
, &var1
);
5328 EMSG(_(e_dictrange
));
5338 key
= get_tv_string(&var1
);
5342 EMSG(_(e_emptykey
));
5348 item
= dict_find(rettv
->vval
.v_dict
, key
, (int)len
);
5350 if (item
== NULL
&& verbose
)
5351 EMSG2(_(e_dictkey
), key
);
5357 copy_tv(&item
->di_tv
, &var1
);
5369 * Get an option value.
5370 * "arg" points to the '&' or '+' before the option name.
5371 * "arg" is advanced to character after the option name.
5372 * Return OK or FAIL.
5375 get_option_tv(arg
, rettv
, evaluate
)
5377 typval_T
*rettv
; /* when NULL, only check if option exists */
5385 int working
= (**arg
== '+'); /* has("+option") */
5390 * Isolate the option name and find its value.
5392 option_end
= find_option_end(arg
, &opt_flags
);
5393 if (option_end
== NULL
)
5396 EMSG2(_("E112: Option name missing: %s"), *arg
);
5408 opt_type
= get_option_value(*arg
, &numval
,
5409 rettv
== NULL
? NULL
: &stringval
, opt_flags
);
5411 if (opt_type
== -3) /* invalid name */
5414 EMSG2(_("E113: Unknown option: %s"), *arg
);
5417 else if (rettv
!= NULL
)
5419 if (opt_type
== -2) /* hidden string option */
5421 rettv
->v_type
= VAR_STRING
;
5422 rettv
->vval
.v_string
= NULL
;
5424 else if (opt_type
== -1) /* hidden number option */
5426 rettv
->v_type
= VAR_NUMBER
;
5427 rettv
->vval
.v_number
= 0;
5429 else if (opt_type
== 1) /* number option */
5431 rettv
->v_type
= VAR_NUMBER
;
5432 rettv
->vval
.v_number
= numval
;
5434 else /* string option */
5436 rettv
->v_type
= VAR_STRING
;
5437 rettv
->vval
.v_string
= stringval
;
5440 else if (working
&& (opt_type
== -2 || opt_type
== -1))
5443 *option_end
= c
; /* put back for error messages */
5450 * Allocate a variable for a string constant.
5451 * Return OK or FAIL.
5454 get_string_tv(arg
, rettv
, evaluate
)
5464 * Find the end of the string, skipping backslashed characters.
5466 for (p
= *arg
+ 1; *p
!= NUL
&& *p
!= '"'; mb_ptr_adv(p
))
5468 if (*p
== '\\' && p
[1] != NUL
)
5471 /* A "\<x>" form occupies at least 4 characters, and produces up
5472 * to 6 characters: reserve space for 2 extra */
5480 EMSG2(_("E114: Missing quote: %s"), *arg
);
5484 /* If only parsing, set *arg and return here */
5492 * Copy the string into allocated memory, handling backslashed
5495 name
= alloc((unsigned)(p
- *arg
+ extra
));
5498 rettv
->v_type
= VAR_STRING
;
5499 rettv
->vval
.v_string
= name
;
5501 for (p
= *arg
+ 1; *p
!= NUL
&& *p
!= '"'; )
5507 case 'b': *name
++ = BS
; ++p
; break;
5508 case 'e': *name
++ = ESC
; ++p
; break;
5509 case 'f': *name
++ = FF
; ++p
; break;
5510 case 'n': *name
++ = NL
; ++p
; break;
5511 case 'r': *name
++ = CAR
; ++p
; break;
5512 case 't': *name
++ = TAB
; ++p
; break;
5514 case 'X': /* hex: "\x1", "\x12" */
5516 case 'u': /* Unicode: "\u0023" */
5518 if (vim_isxdigit(p
[1]))
5521 int c
= toupper(*p
);
5528 while (--n
>= 0 && vim_isxdigit(p
[1]))
5531 nr
= (nr
<< 4) + hex2nr(*p
);
5535 /* For "\u" store the number according to
5538 name
+= (*mb_char2bytes
)(nr
, name
);
5545 /* octal: "\1", "\12", "\123" */
5553 case '7': *name
= *p
++ - '0';
5554 if (*p
>= '0' && *p
<= '7')
5556 *name
= (*name
<< 3) + *p
++ - '0';
5557 if (*p
>= '0' && *p
<= '7')
5558 *name
= (*name
<< 3) + *p
++ - '0';
5563 /* Special key, e.g.: "\<C-W>" */
5564 case '<': extra
= trans_special(&p
, name
, TRUE
);
5572 default: MB_COPY_CHAR(p
, name
);
5577 MB_COPY_CHAR(p
, name
);
5587 * Allocate a variable for a 'str''ing' constant.
5588 * Return OK or FAIL.
5591 get_lit_string_tv(arg
, rettv
, evaluate
)
5601 * Find the end of the string, skipping ''.
5603 for (p
= *arg
+ 1; *p
!= NUL
; mb_ptr_adv(p
))
5616 EMSG2(_("E115: Missing quote: %s"), *arg
);
5620 /* If only parsing return after setting "*arg" */
5628 * Copy the string into allocated memory, handling '' to ' reduction.
5630 str
= alloc((unsigned)((p
- *arg
) - reduce
));
5633 rettv
->v_type
= VAR_STRING
;
5634 rettv
->vval
.v_string
= str
;
5636 for (p
= *arg
+ 1; *p
!= NUL
; )
5644 MB_COPY_CHAR(p
, str
);
5653 * Allocate a variable for a List and fill it from "*arg".
5654 * Return OK or FAIL.
5657 get_list_tv(arg
, rettv
, evaluate
)
5673 *arg
= skipwhite(*arg
+ 1);
5674 while (**arg
!= ']' && **arg
!= NUL
)
5676 if (eval1(arg
, &tv
, evaluate
) == FAIL
) /* recursive! */
5680 item
= listitem_alloc();
5684 item
->li_tv
.v_lock
= 0;
5685 list_append(l
, item
);
5695 EMSG2(_("E696: Missing comma in List: %s"), *arg
);
5698 *arg
= skipwhite(*arg
+ 1);
5703 EMSG2(_("E697: Missing end of List ']': %s"), *arg
);
5710 *arg
= skipwhite(*arg
+ 1);
5713 rettv
->v_type
= VAR_LIST
;
5714 rettv
->vval
.v_list
= l
;
5722 * Allocate an empty header for a list.
5723 * Caller should take care of the reference count.
5730 l
= (list_T
*)alloc_clear(sizeof(list_T
));
5733 /* Prepend the list to the list of lists for garbage collection. */
5734 if (first_list
!= NULL
)
5735 first_list
->lv_used_prev
= l
;
5736 l
->lv_used_prev
= NULL
;
5737 l
->lv_used_next
= first_list
;
5744 * Allocate an empty list for a return value.
5745 * Returns OK or FAIL.
5748 rettv_list_alloc(rettv
)
5751 list_T
*l
= list_alloc();
5756 rettv
->vval
.v_list
= l
;
5757 rettv
->v_type
= VAR_LIST
;
5763 * Unreference a list: decrement the reference count and free it when it
5770 if (l
!= NULL
&& --l
->lv_refcount
<= 0)
5775 * Free a list, including all items it points to.
5776 * Ignores the reference count.
5779 list_free(l
, recurse
)
5781 int recurse
; /* Free Lists and Dictionaries recursively. */
5785 /* Remove the list from the list of lists for garbage collection. */
5786 if (l
->lv_used_prev
== NULL
)
5787 first_list
= l
->lv_used_next
;
5789 l
->lv_used_prev
->lv_used_next
= l
->lv_used_next
;
5790 if (l
->lv_used_next
!= NULL
)
5791 l
->lv_used_next
->lv_used_prev
= l
->lv_used_prev
;
5793 for (item
= l
->lv_first
; item
!= NULL
; item
= l
->lv_first
)
5795 /* Remove the item before deleting it. */
5796 l
->lv_first
= item
->li_next
;
5797 if (recurse
|| (item
->li_tv
.v_type
!= VAR_LIST
5798 && item
->li_tv
.v_type
!= VAR_DICT
))
5799 clear_tv(&item
->li_tv
);
5806 * Allocate a list item.
5811 return (listitem_T
*)alloc(sizeof(listitem_T
));
5815 * Free a list item. Also clears the value. Does not notify watchers.
5821 clear_tv(&item
->li_tv
);
5826 * Remove a list item from a List and free it. Also clears the value.
5829 listitem_remove(l
, item
)
5833 list_remove(l
, item
, item
);
5834 listitem_free(item
);
5838 * Get the number of items in a list.
5850 * Return TRUE when two lists have exactly the same values.
5853 list_equal(l1
, l2
, ic
)
5856 int ic
; /* ignore case for strings */
5858 listitem_T
*item1
, *item2
;
5860 if (l1
== NULL
|| l2
== NULL
)
5864 if (list_len(l1
) != list_len(l2
))
5867 for (item1
= l1
->lv_first
, item2
= l2
->lv_first
;
5868 item1
!= NULL
&& item2
!= NULL
;
5869 item1
= item1
->li_next
, item2
= item2
->li_next
)
5870 if (!tv_equal(&item1
->li_tv
, &item2
->li_tv
, ic
))
5872 return item1
== NULL
&& item2
== NULL
;
5875 #if defined(FEAT_RUBY) || defined(FEAT_PYTHON) || defined(FEAT_MZSCHEME) \
5878 * Return the dictitem that an entry in a hashtable points to.
5889 * Return TRUE when two dictionaries have exactly the same key/values.
5892 dict_equal(d1
, d2
, ic
)
5895 int ic
; /* ignore case for strings */
5901 if (d1
== NULL
|| d2
== NULL
)
5905 if (dict_len(d1
) != dict_len(d2
))
5908 todo
= (int)d1
->dv_hashtab
.ht_used
;
5909 for (hi
= d1
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
5911 if (!HASHITEM_EMPTY(hi
))
5913 item2
= dict_find(d2
, hi
->hi_key
, -1);
5916 if (!tv_equal(&HI2DI(hi
)->di_tv
, &item2
->di_tv
, ic
))
5925 * Return TRUE if "tv1" and "tv2" have the same value.
5926 * Compares the items just like "==" would compare them, but strings and
5927 * numbers are different. Floats and numbers are also different.
5930 tv_equal(tv1
, tv2
, ic
)
5933 int ic
; /* ignore case */
5935 char_u buf1
[NUMBUFLEN
], buf2
[NUMBUFLEN
];
5937 static int recursive
= 0; /* cach recursive loops */
5940 if (tv1
->v_type
!= tv2
->v_type
)
5942 /* Catch lists and dicts that have an endless loop by limiting
5943 * recursiveness to 1000. We guess they are equal then. */
5944 if (recursive
>= 1000)
5947 switch (tv1
->v_type
)
5951 r
= list_equal(tv1
->vval
.v_list
, tv2
->vval
.v_list
, ic
);
5957 r
= dict_equal(tv1
->vval
.v_dict
, tv2
->vval
.v_dict
, ic
);
5962 return (tv1
->vval
.v_string
!= NULL
5963 && tv2
->vval
.v_string
!= NULL
5964 && STRCMP(tv1
->vval
.v_string
, tv2
->vval
.v_string
) == 0);
5967 return tv1
->vval
.v_number
== tv2
->vval
.v_number
;
5971 return tv1
->vval
.v_float
== tv2
->vval
.v_float
;
5975 s1
= get_tv_string_buf(tv1
, buf1
);
5976 s2
= get_tv_string_buf(tv2
, buf2
);
5977 return ((ic
? MB_STRICMP(s1
, s2
) : STRCMP(s1
, s2
)) == 0);
5980 EMSG2(_(e_intern2
), "tv_equal()");
5985 * Locate item with index "n" in list "l" and return it.
5986 * A negative index is counted from the end; -1 is the last item.
5987 * Returns NULL when "n" is out of range.
6000 /* Negative index is relative to the end. */
6004 /* Check for index out of range. */
6005 if (n
< 0 || n
>= l
->lv_len
)
6008 /* When there is a cached index may start search from there. */
6009 if (l
->lv_idx_item
!= NULL
)
6011 if (n
< l
->lv_idx
/ 2)
6013 /* closest to the start of the list */
6017 else if (n
> (l
->lv_idx
+ l
->lv_len
) / 2)
6019 /* closest to the end of the list */
6021 idx
= l
->lv_len
- 1;
6025 /* closest to the cached index */
6026 item
= l
->lv_idx_item
;
6032 if (n
< l
->lv_len
/ 2)
6034 /* closest to the start of the list */
6040 /* closest to the end of the list */
6042 idx
= l
->lv_len
- 1;
6048 /* search forward */
6049 item
= item
->li_next
;
6054 /* search backward */
6055 item
= item
->li_prev
;
6059 /* cache the used index */
6061 l
->lv_idx_item
= item
;
6067 * Get list item "l[idx]" as a number.
6070 list_find_nr(l
, idx
, errorp
)
6073 int *errorp
; /* set to TRUE when something wrong */
6077 li
= list_find(l
, idx
);
6084 return get_tv_number_chk(&li
->li_tv
, errorp
);
6088 * Get list item "l[idx - 1]" as a string. Returns NULL for failure.
6091 list_find_str(l
, idx
)
6097 li
= list_find(l
, idx
- 1);
6100 EMSGN(_(e_listidx
), idx
);
6103 return get_tv_string(&li
->li_tv
);
6107 * Locate "item" list "l" and return its index.
6108 * Returns -1 when "item" is not in the list.
6111 list_idx_of_item(l
, item
)
6121 for (li
= l
->lv_first
; li
!= NULL
&& li
!= item
; li
= li
->li_next
)
6129 * Append item "item" to the end of list "l".
6132 list_append(l
, item
)
6136 if (l
->lv_last
== NULL
)
6141 item
->li_prev
= NULL
;
6145 l
->lv_last
->li_next
= item
;
6146 item
->li_prev
= l
->lv_last
;
6150 item
->li_next
= NULL
;
6154 * Append typval_T "tv" to the end of list "l".
6155 * Return FAIL when out of memory.
6158 list_append_tv(l
, tv
)
6162 listitem_T
*li
= listitem_alloc();
6166 copy_tv(tv
, &li
->li_tv
);
6172 * Add a dictionary to a list. Used by getqflist().
6173 * Return FAIL when out of memory.
6176 list_append_dict(list
, dict
)
6180 listitem_T
*li
= listitem_alloc();
6184 li
->li_tv
.v_type
= VAR_DICT
;
6185 li
->li_tv
.v_lock
= 0;
6186 li
->li_tv
.vval
.v_dict
= dict
;
6187 list_append(list
, li
);
6188 ++dict
->dv_refcount
;
6193 * Make a copy of "str" and append it as an item to list "l".
6194 * When "len" >= 0 use "str[len]".
6195 * Returns FAIL when out of memory.
6198 list_append_string(l
, str
, len
)
6203 listitem_T
*li
= listitem_alloc();
6208 li
->li_tv
.v_type
= VAR_STRING
;
6209 li
->li_tv
.v_lock
= 0;
6211 li
->li_tv
.vval
.v_string
= NULL
;
6212 else if ((li
->li_tv
.vval
.v_string
= (len
>= 0 ? vim_strnsave(str
, len
)
6213 : vim_strsave(str
))) == NULL
)
6219 * Append "n" to list "l".
6220 * Returns FAIL when out of memory.
6223 list_append_number(l
, n
)
6229 li
= listitem_alloc();
6232 li
->li_tv
.v_type
= VAR_NUMBER
;
6233 li
->li_tv
.v_lock
= 0;
6234 li
->li_tv
.vval
.v_number
= n
;
6240 * Insert typval_T "tv" in list "l" before "item".
6241 * If "item" is NULL append at the end.
6242 * Return FAIL when out of memory.
6245 list_insert_tv(l
, tv
, item
)
6250 listitem_T
*ni
= listitem_alloc();
6254 copy_tv(tv
, &ni
->li_tv
);
6256 /* Append new item at end of list. */
6260 /* Insert new item before existing item. */
6261 ni
->li_prev
= item
->li_prev
;
6263 if (item
->li_prev
== NULL
)
6270 item
->li_prev
->li_next
= ni
;
6271 l
->lv_idx_item
= NULL
;
6280 * Extend "l1" with "l2".
6281 * If "bef" is NULL append at the end, otherwise insert before this item.
6282 * Returns FAIL when out of memory.
6285 list_extend(l1
, l2
, bef
)
6291 int todo
= l2
->lv_len
;
6293 /* We also quit the loop when we have inserted the original item count of
6294 * the list, avoid a hang when we extend a list with itself. */
6295 for (item
= l2
->lv_first
; item
!= NULL
&& --todo
>= 0; item
= item
->li_next
)
6296 if (list_insert_tv(l1
, &item
->li_tv
, bef
) == FAIL
)
6302 * Concatenate lists "l1" and "l2" into a new list, stored in "tv".
6303 * Return FAIL when out of memory.
6306 list_concat(l1
, l2
, tv
)
6313 if (l1
== NULL
|| l2
== NULL
)
6316 /* make a copy of the first list. */
6317 l
= list_copy(l1
, FALSE
, 0);
6320 tv
->v_type
= VAR_LIST
;
6321 tv
->vval
.v_list
= l
;
6323 /* append all items from the second list */
6324 return list_extend(l
, l2
, NULL
);
6328 * Make a copy of list "orig". Shallow if "deep" is FALSE.
6329 * The refcount of the new list is set to 1.
6330 * See item_copy() for "copyID".
6331 * Returns NULL when out of memory.
6334 list_copy(orig
, deep
, copyID
)
6346 copy
= list_alloc();
6351 /* Do this before adding the items, because one of the items may
6352 * refer back to this list. */
6353 orig
->lv_copyID
= copyID
;
6354 orig
->lv_copylist
= copy
;
6356 for (item
= orig
->lv_first
; item
!= NULL
&& !got_int
;
6357 item
= item
->li_next
)
6359 ni
= listitem_alloc();
6364 if (item_copy(&item
->li_tv
, &ni
->li_tv
, deep
, copyID
) == FAIL
)
6371 copy_tv(&item
->li_tv
, &ni
->li_tv
);
6372 list_append(copy
, ni
);
6374 ++copy
->lv_refcount
;
6386 * Remove items "item" to "item2" from list "l".
6387 * Does not free the listitem or the value!
6390 list_remove(l
, item
, item2
)
6397 /* notify watchers */
6398 for (ip
= item
; ip
!= NULL
; ip
= ip
->li_next
)
6401 list_fix_watch(l
, ip
);
6406 if (item2
->li_next
== NULL
)
6407 l
->lv_last
= item
->li_prev
;
6409 item2
->li_next
->li_prev
= item
->li_prev
;
6410 if (item
->li_prev
== NULL
)
6411 l
->lv_first
= item2
->li_next
;
6413 item
->li_prev
->li_next
= item2
->li_next
;
6414 l
->lv_idx_item
= NULL
;
6418 * Return an allocated string with the string representation of a list.
6422 list2string(tv
, copyID
)
6428 if (tv
->vval
.v_list
== NULL
)
6430 ga_init2(&ga
, (int)sizeof(char), 80);
6431 ga_append(&ga
, '[');
6432 if (list_join(&ga
, tv
->vval
.v_list
, (char_u
*)", ", FALSE
, copyID
) == FAIL
)
6434 vim_free(ga
.ga_data
);
6437 ga_append(&ga
, ']');
6438 ga_append(&ga
, NUL
);
6439 return (char_u
*)ga
.ga_data
;
6443 * Join list "l" into a string in "*gap", using separator "sep".
6444 * When "echo" is TRUE use String as echoed, otherwise as inside a List.
6445 * Return FAIL or OK.
6448 list_join(gap
, l
, sep
, echo
, copyID
)
6457 char_u numbuf
[NUMBUFLEN
];
6461 for (item
= l
->lv_first
; item
!= NULL
&& !got_int
; item
= item
->li_next
)
6466 ga_concat(gap
, sep
);
6469 s
= echo_string(&item
->li_tv
, &tofree
, numbuf
, copyID
);
6471 s
= tv2string(&item
->li_tv
, &tofree
, numbuf
, copyID
);
6483 * Garbage collection for lists and dictionaries.
6485 * We use reference counts to be able to free most items right away when they
6486 * are no longer used. But for composite items it's possible that it becomes
6487 * unused while the reference count is > 0: When there is a recursive
6488 * reference. Example:
6489 * :let l = [1, 2, 3]
6493 * Since this is quite unusual we handle this with garbage collection: every
6494 * once in a while find out which lists and dicts are not referenced from any
6497 * Here is a good reference text about garbage collection (refers to Python
6498 * but it applies to all reference-counting mechanisms):
6499 * http://python.ca/nas/python/gc/
6503 * Do garbage collection for lists and dicts.
6504 * Return TRUE if some memory was freed.
6513 funccall_T
*fc
, **pfc
;
6515 int did_free_funccal
= FALSE
;
6520 /* Only do this once. */
6521 want_garbage_collect
= FALSE
;
6522 may_garbage_collect
= FALSE
;
6523 garbage_collect_at_exit
= FALSE
;
6525 /* We advance by two because we add one for items referenced through
6526 * previous_funccal. */
6527 current_copyID
+= COPYID_INC
;
6528 copyID
= current_copyID
;
6531 * 1. Go through all accessible variables and mark all lists and dicts
6535 /* Don't free variables in the previous_funccal list unless they are only
6536 * referenced through previous_funccal. This must be first, because if
6537 * the item is referenced elsewhere the funccal must not be freed. */
6538 for (fc
= previous_funccal
; fc
!= NULL
; fc
= fc
->caller
)
6540 set_ref_in_ht(&fc
->l_vars
.dv_hashtab
, copyID
+ 1);
6541 set_ref_in_ht(&fc
->l_avars
.dv_hashtab
, copyID
+ 1);
6544 /* script-local variables */
6545 for (i
= 1; i
<= ga_scripts
.ga_len
; ++i
)
6546 set_ref_in_ht(&SCRIPT_VARS(i
), copyID
);
6548 /* buffer-local variables */
6549 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
6550 set_ref_in_ht(&buf
->b_vars
.dv_hashtab
, copyID
);
6552 /* window-local variables */
6553 FOR_ALL_TAB_WINDOWS(tp
, wp
)
6554 set_ref_in_ht(&wp
->w_vars
.dv_hashtab
, copyID
);
6557 /* tabpage-local variables */
6558 for (tp
= first_tabpage
; tp
!= NULL
; tp
= tp
->tp_next
)
6559 set_ref_in_ht(&tp
->tp_vars
.dv_hashtab
, copyID
);
6562 /* global variables */
6563 set_ref_in_ht(&globvarht
, copyID
);
6565 /* function-local variables */
6566 for (fc
= current_funccal
; fc
!= NULL
; fc
= fc
->caller
)
6568 set_ref_in_ht(&fc
->l_vars
.dv_hashtab
, copyID
);
6569 set_ref_in_ht(&fc
->l_avars
.dv_hashtab
, copyID
);
6573 set_ref_in_ht(&vimvarht
, copyID
);
6576 * 2. Free lists and dictionaries that are not referenced.
6578 did_free
= free_unref_items(copyID
);
6581 * 3. Check if any funccal can be freed now.
6583 for (pfc
= &previous_funccal
; *pfc
!= NULL
; )
6585 if (can_free_funccal(*pfc
, copyID
))
6589 free_funccal(fc
, TRUE
);
6591 did_free_funccal
= TRUE
;
6594 pfc
= &(*pfc
)->caller
;
6596 if (did_free_funccal
)
6597 /* When a funccal was freed some more items might be garbage
6598 * collected, so run again. */
6599 (void)garbage_collect();
6605 * Free lists and dictionaries that are no longer referenced.
6608 free_unref_items(copyID
)
6613 int did_free
= FALSE
;
6616 * Go through the list of dicts and free items without the copyID.
6618 for (dd
= first_dict
; dd
!= NULL
; )
6619 if ((dd
->dv_copyID
& COPYID_MASK
) != (copyID
& COPYID_MASK
))
6621 /* Free the Dictionary and ordinary items it contains, but don't
6622 * recurse into Lists and Dictionaries, they will be in the list
6623 * of dicts or list of lists. */
6624 dict_free(dd
, FALSE
);
6627 /* restart, next dict may also have been freed */
6631 dd
= dd
->dv_used_next
;
6634 * Go through the list of lists and free items without the copyID.
6635 * But don't free a list that has a watcher (used in a for loop), these
6636 * are not referenced anywhere.
6638 for (ll
= first_list
; ll
!= NULL
; )
6639 if ((ll
->lv_copyID
& COPYID_MASK
) != (copyID
& COPYID_MASK
)
6640 && ll
->lv_watch
== NULL
)
6642 /* Free the List and ordinary items it contains, but don't recurse
6643 * into Lists and Dictionaries, they will be in the list of dicts
6644 * or list of lists. */
6645 list_free(ll
, FALSE
);
6648 /* restart, next list may also have been freed */
6652 ll
= ll
->lv_used_next
;
6658 * Mark all lists and dicts referenced through hashtab "ht" with "copyID".
6661 set_ref_in_ht(ht
, copyID
)
6668 todo
= (int)ht
->ht_used
;
6669 for (hi
= ht
->ht_array
; todo
> 0; ++hi
)
6670 if (!HASHITEM_EMPTY(hi
))
6673 set_ref_in_item(&HI2DI(hi
)->di_tv
, copyID
);
6678 * Mark all lists and dicts referenced through list "l" with "copyID".
6681 set_ref_in_list(l
, copyID
)
6687 for (li
= l
->lv_first
; li
!= NULL
; li
= li
->li_next
)
6688 set_ref_in_item(&li
->li_tv
, copyID
);
6692 * Mark all lists and dicts referenced through typval "tv" with "copyID".
6695 set_ref_in_item(tv
, copyID
)
6705 dd
= tv
->vval
.v_dict
;
6706 if (dd
!= NULL
&& dd
->dv_copyID
!= copyID
)
6708 /* Didn't see this dict yet. */
6709 dd
->dv_copyID
= copyID
;
6710 set_ref_in_ht(&dd
->dv_hashtab
, copyID
);
6715 ll
= tv
->vval
.v_list
;
6716 if (ll
!= NULL
&& ll
->lv_copyID
!= copyID
)
6718 /* Didn't see this list yet. */
6719 ll
->lv_copyID
= copyID
;
6720 set_ref_in_list(ll
, copyID
);
6728 * Allocate an empty header for a dictionary.
6735 d
= (dict_T
*)alloc(sizeof(dict_T
));
6738 /* Add the list to the list of dicts for garbage collection. */
6739 if (first_dict
!= NULL
)
6740 first_dict
->dv_used_prev
= d
;
6741 d
->dv_used_next
= first_dict
;
6742 d
->dv_used_prev
= NULL
;
6745 hash_init(&d
->dv_hashtab
);
6754 * Unreference a Dictionary: decrement the reference count and free it when it
6761 if (d
!= NULL
&& --d
->dv_refcount
<= 0)
6766 * Free a Dictionary, including all items it contains.
6767 * Ignores the reference count.
6770 dict_free(d
, recurse
)
6772 int recurse
; /* Free Lists and Dictionaries recursively. */
6778 /* Remove the dict from the list of dicts for garbage collection. */
6779 if (d
->dv_used_prev
== NULL
)
6780 first_dict
= d
->dv_used_next
;
6782 d
->dv_used_prev
->dv_used_next
= d
->dv_used_next
;
6783 if (d
->dv_used_next
!= NULL
)
6784 d
->dv_used_next
->dv_used_prev
= d
->dv_used_prev
;
6786 /* Lock the hashtab, we don't want it to resize while freeing items. */
6787 hash_lock(&d
->dv_hashtab
);
6788 todo
= (int)d
->dv_hashtab
.ht_used
;
6789 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
6791 if (!HASHITEM_EMPTY(hi
))
6793 /* Remove the item before deleting it, just in case there is
6794 * something recursive causing trouble. */
6796 hash_remove(&d
->dv_hashtab
, hi
);
6797 if (recurse
|| (di
->di_tv
.v_type
!= VAR_LIST
6798 && di
->di_tv
.v_type
!= VAR_DICT
))
6799 clear_tv(&di
->di_tv
);
6804 hash_clear(&d
->dv_hashtab
);
6809 * Allocate a Dictionary item.
6810 * The "key" is copied to the new item.
6811 * Note that the value of the item "di_tv" still needs to be initialized!
6812 * Returns NULL when out of memory.
6820 di
= (dictitem_T
*)alloc((unsigned)(sizeof(dictitem_T
) + STRLEN(key
)));
6823 STRCPY(di
->di_key
, key
);
6830 * Make a copy of a Dictionary item.
6838 di
= (dictitem_T
*)alloc((unsigned)(sizeof(dictitem_T
)
6839 + STRLEN(org
->di_key
)));
6842 STRCPY(di
->di_key
, org
->di_key
);
6844 copy_tv(&org
->di_tv
, &di
->di_tv
);
6850 * Remove item "item" from Dictionary "dict" and free it.
6853 dictitem_remove(dict
, item
)
6859 hi
= hash_find(&dict
->dv_hashtab
, item
->di_key
);
6860 if (HASHITEM_EMPTY(hi
))
6861 EMSG2(_(e_intern2
), "dictitem_remove()");
6863 hash_remove(&dict
->dv_hashtab
, hi
);
6864 dictitem_free(item
);
6868 * Free a dict item. Also clears the value.
6874 clear_tv(&item
->di_tv
);
6879 * Make a copy of dict "d". Shallow if "deep" is FALSE.
6880 * The refcount of the new dict is set to 1.
6881 * See item_copy() for "copyID".
6882 * Returns NULL when out of memory.
6885 dict_copy(orig
, deep
, copyID
)
6898 copy
= dict_alloc();
6903 orig
->dv_copyID
= copyID
;
6904 orig
->dv_copydict
= copy
;
6906 todo
= (int)orig
->dv_hashtab
.ht_used
;
6907 for (hi
= orig
->dv_hashtab
.ht_array
; todo
> 0 && !got_int
; ++hi
)
6909 if (!HASHITEM_EMPTY(hi
))
6913 di
= dictitem_alloc(hi
->hi_key
);
6918 if (item_copy(&HI2DI(hi
)->di_tv
, &di
->di_tv
, deep
,
6926 copy_tv(&HI2DI(hi
)->di_tv
, &di
->di_tv
);
6927 if (dict_add(copy
, di
) == FAIL
)
6935 ++copy
->dv_refcount
;
6947 * Add item "item" to Dictionary "d".
6948 * Returns FAIL when out of memory and when key already existed.
6955 return hash_add(&d
->dv_hashtab
, item
->di_key
);
6959 * Add a number or string entry to dictionary "d".
6960 * When "str" is NULL use number "nr", otherwise use "str".
6961 * Returns FAIL when out of memory and when key already exists.
6964 dict_add_nr_str(d
, key
, nr
, str
)
6972 item
= dictitem_alloc((char_u
*)key
);
6975 item
->di_tv
.v_lock
= 0;
6978 item
->di_tv
.v_type
= VAR_NUMBER
;
6979 item
->di_tv
.vval
.v_number
= nr
;
6983 item
->di_tv
.v_type
= VAR_STRING
;
6984 item
->di_tv
.vval
.v_string
= vim_strsave(str
);
6986 if (dict_add(d
, item
) == FAIL
)
6988 dictitem_free(item
);
6995 dict_iterate_start(argvars
, iter
)
6997 struct dict_iterator_S
*iter
;
7001 if (argvars
[0].v_type
!= VAR_DICT
)
7007 if ((d
= argvars
[0].vval
.v_dict
) == NULL
)
7013 iter
->items
= (int)d
->dv_hashtab
.ht_used
;
7014 iter
->hi
= d
->dv_hashtab
.ht_array
;
7017 /* Will return NULL after the last item. */
7019 dict_iterate_next(iter
, tv_result
)
7020 struct dict_iterator_S
*iter
;
7021 typval_T
**tv_result
;
7026 if (iter
->items
<= 0)
7029 while (HASHITEM_EMPTY(iter
->hi
))
7032 di
= HI2DI(iter
->hi
);
7033 result
= di
->di_key
;
7034 *tv_result
= &di
->di_tv
;
7042 * Get the number of items in a Dictionary.
7050 return (long)d
->dv_hashtab
.ht_used
;
7054 * Find item "key[len]" in Dictionary "d".
7055 * If "len" is negative use strlen(key).
7056 * Returns NULL when not found.
7059 dict_find(d
, key
, len
)
7065 char_u buf
[AKEYLEN
];
7067 char_u
*tofree
= NULL
;
7072 else if (len
>= AKEYLEN
)
7074 tofree
= akey
= vim_strnsave(key
, len
);
7080 /* Avoid a malloc/free by using buf[]. */
7081 vim_strncpy(buf
, key
, len
);
7085 hi
= hash_find(&d
->dv_hashtab
, akey
);
7087 if (HASHITEM_EMPTY(hi
))
7093 * Get a string item from a dictionary.
7094 * When "save" is TRUE allocate memory for it.
7095 * Returns NULL if the entry doesn't exist or out of memory.
7098 get_dict_string(d
, key
, save
)
7106 di
= dict_find(d
, key
, -1);
7109 s
= get_tv_string(&di
->di_tv
);
7110 if (save
&& s
!= NULL
)
7116 * Get a number item from a dictionary.
7117 * Returns 0 if the entry doesn't exist or out of memory.
7120 get_dict_number(d
, key
)
7126 di
= dict_find(d
, key
, -1);
7129 return get_tv_number(&di
->di_tv
);
7133 * Return an allocated string with the string representation of a Dictionary.
7137 dict2string(tv
, copyID
)
7144 char_u numbuf
[NUMBUFLEN
];
7150 if ((d
= tv
->vval
.v_dict
) == NULL
)
7152 ga_init2(&ga
, (int)sizeof(char), 80);
7153 ga_append(&ga
, '{');
7155 todo
= (int)d
->dv_hashtab
.ht_used
;
7156 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0 && !got_int
; ++hi
)
7158 if (!HASHITEM_EMPTY(hi
))
7165 ga_concat(&ga
, (char_u
*)", ");
7167 tofree
= string_quote(hi
->hi_key
, FALSE
);
7170 ga_concat(&ga
, tofree
);
7173 ga_concat(&ga
, (char_u
*)": ");
7174 s
= tv2string(&HI2DI(hi
)->di_tv
, &tofree
, numbuf
, copyID
);
7184 vim_free(ga
.ga_data
);
7188 ga_append(&ga
, '}');
7189 ga_append(&ga
, NUL
);
7190 return (char_u
*)ga
.ga_data
;
7194 * Allocate a variable for a Dictionary and fill it from "*arg".
7195 * Return OK or FAIL. Returns NOTDONE for {expr}.
7198 get_dict_tv(arg
, rettv
, evaluate
)
7208 char_u
*start
= skipwhite(*arg
+ 1);
7209 char_u buf
[NUMBUFLEN
];
7212 * First check if it's not a curly-braces thing: {expr}.
7213 * Must do this without evaluating, otherwise a function may be called
7214 * twice. Unfortunately this means we need to call eval1() twice for the
7216 * But {} is an empty Dictionary.
7220 if (eval1(&start
, &tv
, FALSE
) == FAIL
) /* recursive! */
7232 tvkey
.v_type
= VAR_UNKNOWN
;
7233 tv
.v_type
= VAR_UNKNOWN
;
7235 *arg
= skipwhite(*arg
+ 1);
7236 while (**arg
!= '}' && **arg
!= NUL
)
7238 if (eval1(arg
, &tvkey
, evaluate
) == FAIL
) /* recursive! */
7242 EMSG2(_("E720: Missing colon in Dictionary: %s"), *arg
);
7248 key
= get_tv_string_buf_chk(&tvkey
, buf
);
7249 if (key
== NULL
|| *key
== NUL
)
7251 /* "key" is NULL when get_tv_string_buf_chk() gave an errmsg */
7253 EMSG(_(e_emptykey
));
7259 *arg
= skipwhite(*arg
+ 1);
7260 if (eval1(arg
, &tv
, evaluate
) == FAIL
) /* recursive! */
7268 item
= dict_find(d
, key
, -1);
7271 EMSG2(_("E721: Duplicate key in Dictionary: \"%s\""), key
);
7276 item
= dictitem_alloc(key
);
7281 item
->di_tv
.v_lock
= 0;
7282 if (dict_add(d
, item
) == FAIL
)
7283 dictitem_free(item
);
7291 EMSG2(_("E722: Missing comma in Dictionary: %s"), *arg
);
7294 *arg
= skipwhite(*arg
+ 1);
7299 EMSG2(_("E723: Missing end of Dictionary '}': %s"), *arg
);
7306 *arg
= skipwhite(*arg
+ 1);
7309 rettv
->v_type
= VAR_DICT
;
7310 rettv
->vval
.v_dict
= d
;
7318 * Return a string with the string representation of a variable.
7319 * If the memory is allocated "tofree" is set to it, otherwise NULL.
7320 * "numbuf" is used for a number.
7321 * Does not put quotes around strings, as ":echo" displays values.
7322 * When "copyID" is not NULL replace recursive lists and dicts with "...".
7326 echo_string(tv
, tofree
, numbuf
, copyID
)
7332 static int recurse
= 0;
7335 if (recurse
>= DICT_MAXNEST
)
7337 EMSG(_("E724: variable nested too deep for displaying"));
7347 r
= tv
->vval
.v_string
;
7351 if (tv
->vval
.v_list
== NULL
)
7356 else if (copyID
!= 0 && tv
->vval
.v_list
->lv_copyID
== copyID
)
7359 r
= (char_u
*)"[...]";
7363 tv
->vval
.v_list
->lv_copyID
= copyID
;
7364 *tofree
= list2string(tv
, copyID
);
7370 if (tv
->vval
.v_dict
== NULL
)
7375 else if (copyID
!= 0 && tv
->vval
.v_dict
->dv_copyID
== copyID
)
7378 r
= (char_u
*)"{...}";
7382 tv
->vval
.v_dict
->dv_copyID
= copyID
;
7383 *tofree
= dict2string(tv
, copyID
);
7391 r
= get_tv_string_buf(tv
, numbuf
);
7397 vim_snprintf((char *)numbuf
, NUMBUFLEN
, "%g", tv
->vval
.v_float
);
7403 EMSG2(_(e_intern2
), "echo_string()");
7412 * Return a string with the string representation of a variable.
7413 * If the memory is allocated "tofree" is set to it, otherwise NULL.
7414 * "numbuf" is used for a number.
7415 * Puts quotes around strings, so that they can be parsed back by eval().
7419 tv2string(tv
, tofree
, numbuf
, copyID
)
7428 *tofree
= string_quote(tv
->vval
.v_string
, TRUE
);
7431 *tofree
= string_quote(tv
->vval
.v_string
, FALSE
);
7436 vim_snprintf((char *)numbuf
, NUMBUFLEN
- 1, "%g", tv
->vval
.v_float
);
7444 EMSG2(_(e_intern2
), "tv2string()");
7446 return echo_string(tv
, tofree
, numbuf
, copyID
);
7450 * Return string "str" in ' quotes, doubling ' characters.
7451 * If "str" is NULL an empty string is assumed.
7452 * If "function" is TRUE make it function('string').
7455 string_quote(str
, function
)
7462 len
= (function
? 13 : 3);
7465 len
+= (unsigned)STRLEN(str
);
7466 for (p
= str
; *p
!= NUL
; mb_ptr_adv(p
))
7475 STRCPY(r
, "function('");
7481 for (p
= str
; *p
!= NUL
; )
7497 * Convert the string "text" to a floating point number.
7498 * This uses strtod(). setlocale(LC_NUMERIC, "C") has been used to make sure
7499 * this always uses a decimal point.
7500 * Returns the length of the text that was consumed.
7503 string2float(text
, value
)
7505 float_T
*value
; /* result stored here */
7507 char *s
= (char *)text
;
7512 return (int)((char_u
*)s
- text
);
7517 * Get the value of an environment variable.
7518 * "arg" is pointing to the '$'. It is advanced to after the name.
7519 * If the environment variable was not set, silently assume it is empty.
7523 get_env_tv(arg
, rettv
, evaluate
)
7528 char_u
*string
= NULL
;
7532 int mustfree
= FALSE
;
7536 len
= get_env_len(arg
);
7543 /* first try vim_getenv(), fast for normal environment vars */
7544 string
= vim_getenv(name
, &mustfree
);
7545 if (string
!= NULL
&& *string
!= NUL
)
7548 string
= vim_strsave(string
);
7555 /* next try expanding things like $VIM and ${HOME} */
7556 string
= expand_env_save(name
- 1);
7557 if (string
!= NULL
&& *string
== '$')
7565 rettv
->v_type
= VAR_STRING
;
7566 rettv
->vval
.v_string
= string
;
7573 * Array with names and number of arguments of all internal functions
7574 * MUST BE KEPT SORTED IN strcmp() ORDER FOR BINARY SEARCH!
7578 char *f_name
; /* function name */
7579 char f_min_argc
; /* minimal number of arguments */
7580 char f_max_argc
; /* maximal number of arguments */
7581 void (*f_func
) __ARGS((typval_T
*args
, typval_T
*rvar
));
7582 /* implementation of function */
7586 {"abs", 1, 1, f_abs
},
7588 {"add", 2, 2, f_add
},
7589 {"append", 2, 2, f_append
},
7590 {"argc", 0, 0, f_argc
},
7591 {"argidx", 0, 0, f_argidx
},
7592 {"argv", 0, 1, f_argv
},
7594 {"atan", 1, 1, f_atan
},
7596 {"browse", 4, 4, f_browse
},
7597 {"browsedir", 2, 2, f_browsedir
},
7598 {"bufexists", 1, 1, f_bufexists
},
7599 {"buffer_exists", 1, 1, f_bufexists
}, /* obsolete */
7600 {"buffer_name", 1, 1, f_bufname
}, /* obsolete */
7601 {"buffer_number", 1, 1, f_bufnr
}, /* obsolete */
7602 {"buflisted", 1, 1, f_buflisted
},
7603 {"bufloaded", 1, 1, f_bufloaded
},
7604 {"bufname", 1, 1, f_bufname
},
7605 {"bufnr", 1, 2, f_bufnr
},
7606 {"bufwinnr", 1, 1, f_bufwinnr
},
7607 {"byte2line", 1, 1, f_byte2line
},
7608 {"byteidx", 2, 2, f_byteidx
},
7609 {"call", 2, 3, f_call
},
7611 {"ceil", 1, 1, f_ceil
},
7613 {"changenr", 0, 0, f_changenr
},
7614 {"char2nr", 1, 1, f_char2nr
},
7615 {"cindent", 1, 1, f_cindent
},
7616 {"clearmatches", 0, 0, f_clearmatches
},
7617 {"col", 1, 1, f_col
},
7618 #if defined(FEAT_INS_EXPAND)
7619 {"complete", 2, 2, f_complete
},
7620 {"complete_add", 1, 1, f_complete_add
},
7621 {"complete_check", 0, 0, f_complete_check
},
7623 {"confirm", 1, 4, f_confirm
},
7624 {"copy", 1, 1, f_copy
},
7626 {"cos", 1, 1, f_cos
},
7628 {"count", 2, 4, f_count
},
7629 {"cscope_connection",0,3, f_cscope_connection
},
7630 {"cursor", 1, 3, f_cursor
},
7631 {"deepcopy", 1, 2, f_deepcopy
},
7632 {"delete", 1, 1, f_delete
},
7633 {"did_filetype", 0, 0, f_did_filetype
},
7634 {"diff_filler", 1, 1, f_diff_filler
},
7635 {"diff_hlID", 2, 2, f_diff_hlID
},
7636 {"empty", 1, 1, f_empty
},
7637 {"escape", 2, 2, f_escape
},
7638 {"eval", 1, 1, f_eval
},
7639 {"eventhandler", 0, 0, f_eventhandler
},
7640 {"executable", 1, 1, f_executable
},
7641 {"exists", 1, 1, f_exists
},
7642 {"expand", 1, 2, f_expand
},
7643 {"extend", 2, 3, f_extend
},
7644 {"feedkeys", 1, 2, f_feedkeys
},
7645 {"file_readable", 1, 1, f_filereadable
}, /* obsolete */
7646 {"filereadable", 1, 1, f_filereadable
},
7647 {"filewritable", 1, 1, f_filewritable
},
7648 {"filter", 2, 2, f_filter
},
7649 {"finddir", 1, 3, f_finddir
},
7650 {"findfile", 1, 3, f_findfile
},
7652 {"float2nr", 1, 1, f_float2nr
},
7653 {"floor", 1, 1, f_floor
},
7655 {"fnameescape", 1, 1, f_fnameescape
},
7656 {"fnamemodify", 2, 2, f_fnamemodify
},
7657 {"foldclosed", 1, 1, f_foldclosed
},
7658 {"foldclosedend", 1, 1, f_foldclosedend
},
7659 {"foldlevel", 1, 1, f_foldlevel
},
7660 {"foldtext", 0, 0, f_foldtext
},
7661 {"foldtextresult", 1, 1, f_foldtextresult
},
7662 {"foreground", 0, 0, f_foreground
},
7663 {"function", 1, 1, f_function
},
7664 {"garbagecollect", 0, 1, f_garbagecollect
},
7665 {"get", 2, 3, f_get
},
7666 {"getbufline", 2, 3, f_getbufline
},
7667 {"getbufvar", 2, 2, f_getbufvar
},
7668 {"getchar", 0, 1, f_getchar
},
7669 {"getcharmod", 0, 0, f_getcharmod
},
7670 {"getcmdline", 0, 0, f_getcmdline
},
7671 {"getcmdpos", 0, 0, f_getcmdpos
},
7672 {"getcmdtype", 0, 0, f_getcmdtype
},
7673 {"getcwd", 0, 0, f_getcwd
},
7674 {"getfontname", 0, 1, f_getfontname
},
7675 {"getfperm", 1, 1, f_getfperm
},
7676 {"getfsize", 1, 1, f_getfsize
},
7677 {"getftime", 1, 1, f_getftime
},
7678 {"getftype", 1, 1, f_getftype
},
7679 {"getline", 1, 2, f_getline
},
7680 {"getloclist", 1, 1, f_getqflist
},
7681 {"getmatches", 0, 0, f_getmatches
},
7682 {"getpid", 0, 0, f_getpid
},
7683 {"getpos", 1, 1, f_getpos
},
7684 {"getqflist", 0, 0, f_getqflist
},
7685 {"getreg", 0, 2, f_getreg
},
7686 {"getregtype", 0, 1, f_getregtype
},
7687 {"gettabwinvar", 3, 3, f_gettabwinvar
},
7688 {"getwinposx", 0, 0, f_getwinposx
},
7689 {"getwinposy", 0, 0, f_getwinposy
},
7690 {"getwinvar", 2, 2, f_getwinvar
},
7691 {"glob", 1, 2, f_glob
},
7692 {"globpath", 2, 3, f_globpath
},
7693 {"has", 1, 1, f_has
},
7694 {"has_key", 2, 2, f_has_key
},
7695 {"haslocaldir", 0, 0, f_haslocaldir
},
7696 {"hasmapto", 1, 3, f_hasmapto
},
7697 {"highlightID", 1, 1, f_hlID
}, /* obsolete */
7698 {"highlight_exists",1, 1, f_hlexists
}, /* obsolete */
7699 {"histadd", 2, 2, f_histadd
},
7700 {"histdel", 1, 2, f_histdel
},
7701 {"histget", 1, 2, f_histget
},
7702 {"histnr", 1, 1, f_histnr
},
7703 {"hlID", 1, 1, f_hlID
},
7704 {"hlexists", 1, 1, f_hlexists
},
7705 {"hostname", 0, 0, f_hostname
},
7706 {"iconv", 3, 3, f_iconv
},
7707 {"indent", 1, 1, f_indent
},
7708 {"index", 2, 4, f_index
},
7709 {"input", 1, 3, f_input
},
7710 {"inputdialog", 1, 3, f_inputdialog
},
7711 {"inputlist", 1, 1, f_inputlist
},
7712 {"inputrestore", 0, 0, f_inputrestore
},
7713 {"inputsave", 0, 0, f_inputsave
},
7714 {"inputsecret", 1, 2, f_inputsecret
},
7715 {"insert", 2, 3, f_insert
},
7716 {"isdirectory", 1, 1, f_isdirectory
},
7717 {"islocked", 1, 1, f_islocked
},
7718 {"items", 1, 1, f_items
},
7719 {"join", 1, 2, f_join
},
7720 {"keys", 1, 1, f_keys
},
7721 {"last_buffer_nr", 0, 0, f_last_buffer_nr
},/* obsolete */
7722 {"len", 1, 1, f_len
},
7723 {"libcall", 3, 3, f_libcall
},
7724 {"libcallnr", 3, 3, f_libcallnr
},
7725 {"line", 1, 1, f_line
},
7726 {"line2byte", 1, 1, f_line2byte
},
7727 {"lispindent", 1, 1, f_lispindent
},
7728 {"localtime", 0, 0, f_localtime
},
7730 {"log10", 1, 1, f_log10
},
7732 {"map", 2, 2, f_map
},
7733 {"maparg", 1, 3, f_maparg
},
7734 {"mapcheck", 1, 3, f_mapcheck
},
7735 {"match", 2, 4, f_match
},
7736 {"matchadd", 2, 4, f_matchadd
},
7737 {"matcharg", 1, 1, f_matcharg
},
7738 {"matchdelete", 1, 1, f_matchdelete
},
7739 {"matchend", 2, 4, f_matchend
},
7740 {"matchlist", 2, 4, f_matchlist
},
7741 {"matchstr", 2, 4, f_matchstr
},
7742 {"max", 1, 1, f_max
},
7743 {"min", 1, 1, f_min
},
7745 {"mkdir", 1, 3, f_mkdir
},
7747 {"mode", 0, 1, f_mode
},
7748 #ifdef FEAT_MZSCHEME
7749 {"mzeval", 1, 1, f_mzeval
},
7751 {"nextnonblank", 1, 1, f_nextnonblank
},
7752 {"nr2char", 1, 1, f_nr2char
},
7753 {"pathshorten", 1, 1, f_pathshorten
},
7755 {"pow", 2, 2, f_pow
},
7757 {"prevnonblank", 1, 1, f_prevnonblank
},
7758 {"printf", 2, 19, f_printf
},
7759 {"pumvisible", 0, 0, f_pumvisible
},
7760 {"range", 1, 3, f_range
},
7761 {"readfile", 1, 3, f_readfile
},
7762 {"reltime", 0, 2, f_reltime
},
7763 {"reltimestr", 1, 1, f_reltimestr
},
7764 {"remote_expr", 2, 3, f_remote_expr
},
7765 {"remote_foreground", 1, 1, f_remote_foreground
},
7766 {"remote_peek", 1, 2, f_remote_peek
},
7767 {"remote_read", 1, 1, f_remote_read
},
7768 {"remote_send", 2, 3, f_remote_send
},
7769 {"remove", 2, 3, f_remove
},
7770 {"rename", 2, 2, f_rename
},
7771 {"repeat", 2, 2, f_repeat
},
7772 {"resolve", 1, 1, f_resolve
},
7773 {"reverse", 1, 1, f_reverse
},
7775 {"round", 1, 1, f_round
},
7777 {"search", 1, 4, f_search
},
7778 {"searchdecl", 1, 3, f_searchdecl
},
7779 {"searchpair", 3, 7, f_searchpair
},
7780 {"searchpairpos", 3, 7, f_searchpairpos
},
7781 {"searchpos", 1, 4, f_searchpos
},
7782 {"server2client", 2, 2, f_server2client
},
7783 {"serverlist", 0, 0, f_serverlist
},
7784 {"setbufvar", 3, 3, f_setbufvar
},
7785 {"setcmdpos", 1, 1, f_setcmdpos
},
7786 {"setline", 2, 2, f_setline
},
7787 {"setloclist", 2, 3, f_setloclist
},
7788 {"setmatches", 1, 1, f_setmatches
},
7789 {"setpos", 2, 2, f_setpos
},
7790 {"setqflist", 1, 2, f_setqflist
},
7791 {"setreg", 2, 3, f_setreg
},
7792 {"settabwinvar", 4, 4, f_settabwinvar
},
7793 {"setwinvar", 3, 3, f_setwinvar
},
7794 {"shellescape", 1, 2, f_shellescape
},
7795 {"simplify", 1, 1, f_simplify
},
7797 {"sin", 1, 1, f_sin
},
7799 {"sort", 1, 2, f_sort
},
7800 {"soundfold", 1, 1, f_soundfold
},
7801 {"spellbadword", 0, 1, f_spellbadword
},
7802 {"spellsuggest", 1, 3, f_spellsuggest
},
7803 {"split", 1, 3, f_split
},
7805 {"sqrt", 1, 1, f_sqrt
},
7806 {"str2float", 1, 1, f_str2float
},
7808 {"str2nr", 1, 2, f_str2nr
},
7809 #ifdef HAVE_STRFTIME
7810 {"strftime", 1, 2, f_strftime
},
7812 {"stridx", 2, 3, f_stridx
},
7813 {"string", 1, 1, f_string
},
7814 {"strlen", 1, 1, f_strlen
},
7815 {"strpart", 2, 3, f_strpart
},
7816 {"strridx", 2, 3, f_strridx
},
7817 {"strtrans", 1, 1, f_strtrans
},
7818 {"submatch", 1, 1, f_submatch
},
7819 {"substitute", 4, 4, f_substitute
},
7820 {"synID", 3, 3, f_synID
},
7821 {"synIDattr", 2, 3, f_synIDattr
},
7822 {"synIDtrans", 1, 1, f_synIDtrans
},
7823 {"synstack", 2, 2, f_synstack
},
7824 {"system", 1, 2, f_system
},
7825 {"tabpagebuflist", 0, 1, f_tabpagebuflist
},
7826 {"tabpagenr", 0, 1, f_tabpagenr
},
7827 {"tabpagewinnr", 1, 2, f_tabpagewinnr
},
7828 {"tagfiles", 0, 0, f_tagfiles
},
7829 {"taglist", 1, 1, f_taglist
},
7830 {"tempname", 0, 0, f_tempname
},
7831 {"test", 1, 1, f_test
},
7832 {"tolower", 1, 1, f_tolower
},
7833 {"toupper", 1, 1, f_toupper
},
7836 {"trunc", 1, 1, f_trunc
},
7838 {"type", 1, 1, f_type
},
7839 {"values", 1, 1, f_values
},
7840 {"virtcol", 1, 1, f_virtcol
},
7841 {"visualmode", 0, 1, f_visualmode
},
7842 {"winbufnr", 1, 1, f_winbufnr
},
7843 {"wincol", 0, 0, f_wincol
},
7844 {"winheight", 1, 1, f_winheight
},
7845 {"winline", 0, 0, f_winline
},
7846 {"winnr", 0, 1, f_winnr
},
7847 {"winrestcmd", 0, 0, f_winrestcmd
},
7848 {"winrestview", 1, 1, f_winrestview
},
7849 {"winsaveview", 0, 0, f_winsaveview
},
7850 {"winwidth", 1, 1, f_winwidth
},
7851 {"writefile", 2, 3, f_writefile
},
7854 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
7857 * Function given to ExpandGeneric() to obtain the list of internal
7858 * or user defined function names.
7861 get_function_name(xp
, idx
)
7865 static int intidx
= -1;
7872 name
= get_user_func_name(xp
, idx
);
7876 if (++intidx
< (int)(sizeof(functions
) / sizeof(struct fst
)))
7878 STRCPY(IObuff
, functions
[intidx
].f_name
);
7879 STRCAT(IObuff
, "(");
7880 if (functions
[intidx
].f_max_argc
== 0)
7881 STRCAT(IObuff
, ")");
7889 * Function given to ExpandGeneric() to obtain the list of internal or
7890 * user defined variable or function names.
7893 get_expr_name(xp
, idx
)
7897 static int intidx
= -1;
7904 name
= get_function_name(xp
, idx
);
7908 return get_user_var_name(xp
, ++intidx
);
7911 #endif /* FEAT_CMDL_COMPL */
7914 * Find internal function in table above.
7915 * Return index, or -1 if not found
7918 find_internal_func(name
)
7919 char_u
*name
; /* name of the function */
7922 int last
= (int)(sizeof(functions
) / sizeof(struct fst
)) - 1;
7927 * Find the function name in the table. Binary search.
7929 while (first
<= last
)
7931 x
= first
+ ((unsigned)(last
- first
) >> 1);
7932 cmp
= STRCMP(name
, functions
[x
].f_name
);
7944 * Check if "name" is a variable of type VAR_FUNC. If so, return the function
7945 * name it contains, otherwise return "name".
7948 deref_func_name(name
, lenp
)
7957 v
= find_var(name
, NULL
);
7959 if (v
!= NULL
&& v
->di_tv
.v_type
== VAR_FUNC
)
7961 if (v
->di_tv
.vval
.v_string
== NULL
)
7964 return (char_u
*)""; /* just in case */
7966 *lenp
= (int)STRLEN(v
->di_tv
.vval
.v_string
);
7967 return v
->di_tv
.vval
.v_string
;
7974 * Allocate a variable for the result of a function.
7975 * Return OK or FAIL.
7978 get_func_tv(name
, len
, rettv
, arg
, firstline
, lastline
, doesrange
,
7980 char_u
*name
; /* name of the function */
7981 int len
; /* length of "name" */
7983 char_u
**arg
; /* argument, pointing to the '(' */
7984 linenr_T firstline
; /* first line of range */
7985 linenr_T lastline
; /* last line of range */
7986 int *doesrange
; /* return: function handled range */
7988 dict_T
*selfdict
; /* Dictionary for "self" */
7992 typval_T argvars
[MAX_FUNC_ARGS
+ 1]; /* vars for arguments */
7993 int argcount
= 0; /* number of arguments found */
7996 * Get the arguments.
7999 while (argcount
< MAX_FUNC_ARGS
)
8001 argp
= skipwhite(argp
+ 1); /* skip the '(' or ',' */
8002 if (*argp
== ')' || *argp
== ',' || *argp
== NUL
)
8004 if (eval1(&argp
, &argvars
[argcount
], evaluate
) == FAIL
)
8019 ret
= call_func(name
, len
, rettv
, argcount
, argvars
,
8020 firstline
, lastline
, doesrange
, evaluate
, selfdict
);
8021 else if (!aborting())
8023 if (argcount
== MAX_FUNC_ARGS
)
8024 emsg_funcname(N_("E740: Too many arguments for function %s"), name
);
8026 emsg_funcname(N_("E116: Invalid arguments for function %s"), name
);
8029 while (--argcount
>= 0)
8030 clear_tv(&argvars
[argcount
]);
8032 *arg
= skipwhite(argp
);
8038 * Call a function with its resolved parameters
8039 * Return OK when the function can't be called, FAIL otherwise.
8040 * Also returns OK when an error was encountered while executing the function.
8043 call_func(name
, len
, rettv
, argcount
, argvars
, firstline
, lastline
,
8044 doesrange
, evaluate
, selfdict
)
8045 char_u
*name
; /* name of the function */
8046 int len
; /* length of "name" */
8047 typval_T
*rettv
; /* return value goes here */
8048 int argcount
; /* number of "argvars" */
8049 typval_T
*argvars
; /* vars for arguments, must have "argcount"
8050 PLUS ONE elements! */
8051 linenr_T firstline
; /* first line of range */
8052 linenr_T lastline
; /* last line of range */
8053 int *doesrange
; /* return: function handled range */
8055 dict_T
*selfdict
; /* Dictionary for "self" */
8058 #define ERROR_UNKNOWN 0
8059 #define ERROR_TOOMANY 1
8060 #define ERROR_TOOFEW 2
8061 #define ERROR_SCRIPT 3
8062 #define ERROR_DICT 4
8063 #define ERROR_NONE 5
8064 #define ERROR_OTHER 6
8065 int error
= ERROR_NONE
;
8070 #define FLEN_FIXED 40
8071 char_u fname_buf
[FLEN_FIXED
+ 1];
8075 * In a script change <SID>name() and s:name() to K_SNR 123_name().
8076 * Change <SNR>123_name() to K_SNR 123_name().
8077 * Use fname_buf[] when it fits, otherwise allocate memory (slow).
8081 llen
= eval_fname_script(name
);
8084 fname_buf
[0] = K_SPECIAL
;
8085 fname_buf
[1] = KS_EXTRA
;
8086 fname_buf
[2] = (int)KE_SNR
;
8088 if (eval_fname_sid(name
)) /* "<SID>" or "s:" */
8090 if (current_SID
<= 0)
8091 error
= ERROR_SCRIPT
;
8094 sprintf((char *)fname_buf
+ 3, "%ld_", (long)current_SID
);
8095 i
= (int)STRLEN(fname_buf
);
8098 if (i
+ STRLEN(name
+ llen
) < FLEN_FIXED
)
8100 STRCPY(fname_buf
+ i
, name
+ llen
);
8105 fname
= alloc((unsigned)(i
+ STRLEN(name
+ llen
) + 1));
8107 error
= ERROR_OTHER
;
8110 mch_memmove(fname
, fname_buf
, (size_t)i
);
8111 STRCPY(fname
+ i
, name
+ llen
);
8121 /* execute the function if no errors detected and executing */
8122 if (evaluate
&& error
== ERROR_NONE
)
8124 rettv
->v_type
= VAR_NUMBER
; /* default rettv is number zero */
8125 rettv
->vval
.v_number
= 0;
8126 error
= ERROR_UNKNOWN
;
8128 if (!builtin_function(fname
))
8131 * User defined function.
8133 fp
= find_func(fname
);
8136 /* Trigger FuncUndefined event, may load the function. */
8138 && apply_autocmds(EVENT_FUNCUNDEFINED
,
8139 fname
, fname
, TRUE
, NULL
)
8142 /* executed an autocommand, search for the function again */
8143 fp
= find_func(fname
);
8146 /* Try loading a package. */
8147 if (fp
== NULL
&& script_autoload(fname
, TRUE
) && !aborting())
8149 /* loaded a package, search for the function again */
8150 fp
= find_func(fname
);
8155 if (fp
->uf_flags
& FC_RANGE
)
8157 if (argcount
< fp
->uf_args
.ga_len
)
8158 error
= ERROR_TOOFEW
;
8159 else if (!fp
->uf_varargs
&& argcount
> fp
->uf_args
.ga_len
)
8160 error
= ERROR_TOOMANY
;
8161 else if ((fp
->uf_flags
& FC_DICT
) && selfdict
== NULL
)
8166 * Call the user function.
8167 * Save and restore search patterns, script variables and
8170 save_search_patterns();
8173 call_user_func(fp
, argcount
, argvars
, rettv
,
8174 firstline
, lastline
,
8175 (fp
->uf_flags
& FC_DICT
) ? selfdict
: NULL
);
8176 if (--fp
->uf_calls
<= 0 && isdigit(*fp
->uf_name
)
8177 && fp
->uf_refcount
<= 0)
8178 /* Function was unreferenced while being used, free it
8182 restore_search_patterns();
8190 * Find the function name in the table, call its implementation.
8192 i
= find_internal_func(fname
);
8195 if (argcount
< functions
[i
].f_min_argc
)
8196 error
= ERROR_TOOFEW
;
8197 else if (argcount
> functions
[i
].f_max_argc
)
8198 error
= ERROR_TOOMANY
;
8201 argvars
[argcount
].v_type
= VAR_UNKNOWN
;
8202 functions
[i
].f_func(argvars
, rettv
);
8208 * The function call (or "FuncUndefined" autocommand sequence) might
8209 * have been aborted by an error, an interrupt, or an explicitly thrown
8210 * exception that has not been caught so far. This situation can be
8211 * tested for by calling aborting(). For an error in an internal
8212 * function or for the "E132" error in call_user_func(), however, the
8213 * throw point at which the "force_abort" flag (temporarily reset by
8214 * emsg()) is normally updated has not been reached yet. We need to
8215 * update that flag first to make aborting() reliable.
8217 update_force_abort();
8219 if (error
== ERROR_NONE
)
8223 * Report an error unless the argument evaluation or function call has been
8224 * cancelled due to an aborting error, an interrupt, or an exception.
8231 emsg_funcname(N_("E117: Unknown function: %s"), name
);
8234 emsg_funcname(e_toomanyarg
, name
);
8237 emsg_funcname(N_("E119: Not enough arguments for function: %s"),
8241 emsg_funcname(N_("E120: Using <SID> not in a script context: %s"),
8245 emsg_funcname(N_("E725: Calling dict function without Dictionary: %s"),
8252 if (fname
!= name
&& fname
!= fname_buf
)
8259 * Give an error message with a function name. Handle <SNR> things.
8260 * "ermsg" is to be passed without translation, use N_() instead of _().
8263 emsg_funcname(ermsg
, name
)
8269 if (*name
== K_SPECIAL
)
8270 p
= concat_str((char_u
*)"<SNR>", name
+ 3);
8279 * Return TRUE for a non-zero Number and a non-empty String.
8282 non_zero_arg(argvars
)
8285 return ((argvars
[0].v_type
== VAR_NUMBER
8286 && argvars
[0].vval
.v_number
!= 0)
8287 || (argvars
[0].v_type
== VAR_STRING
8288 && argvars
[0].vval
.v_string
!= NULL
8289 && *argvars
[0].vval
.v_string
!= NUL
));
8292 /*********************************************
8293 * Implementation of the built-in functions
8298 * "abs(expr)" function
8301 f_abs(argvars
, rettv
)
8305 if (argvars
[0].v_type
== VAR_FLOAT
)
8307 rettv
->v_type
= VAR_FLOAT
;
8308 rettv
->vval
.v_float
= fabs(argvars
[0].vval
.v_float
);
8315 n
= get_tv_number_chk(&argvars
[0], &error
);
8317 rettv
->vval
.v_number
= -1;
8319 rettv
->vval
.v_number
= n
;
8321 rettv
->vval
.v_number
= -n
;
8327 * "add(list, item)" function
8330 f_add(argvars
, rettv
)
8336 rettv
->vval
.v_number
= 1; /* Default: Failed */
8337 if (argvars
[0].v_type
== VAR_LIST
)
8339 if ((l
= argvars
[0].vval
.v_list
) != NULL
8340 && !tv_check_lock(l
->lv_lock
, (char_u
*)"add()")
8341 && list_append_tv(l
, &argvars
[1]) == OK
)
8342 copy_tv(&argvars
[0], rettv
);
8349 * "append(lnum, string/list)" function
8352 f_append(argvars
, rettv
)
8359 listitem_T
*li
= NULL
;
8363 lnum
= get_tv_lnum(argvars
);
8365 && lnum
<= curbuf
->b_ml
.ml_line_count
8366 && u_save(lnum
, lnum
+ 1) == OK
)
8368 if (argvars
[1].v_type
== VAR_LIST
)
8370 l
= argvars
[1].vval
.v_list
;
8378 tv
= &argvars
[1]; /* append a string */
8379 else if (li
== NULL
)
8380 break; /* end of list */
8382 tv
= &li
->li_tv
; /* append item from list */
8383 line
= get_tv_string_chk(tv
);
8384 if (line
== NULL
) /* type error */
8386 rettv
->vval
.v_number
= 1; /* Failed */
8389 ml_append(lnum
+ added
, line
, (colnr_T
)0, FALSE
);
8396 appended_lines_mark(lnum
, added
);
8397 if (curwin
->w_cursor
.lnum
> lnum
)
8398 curwin
->w_cursor
.lnum
+= added
;
8401 rettv
->vval
.v_number
= 1; /* Failed */
8408 f_argc(argvars
, rettv
)
8409 typval_T
*argvars UNUSED
;
8412 rettv
->vval
.v_number
= ARGCOUNT
;
8416 * "argidx()" function
8419 f_argidx(argvars
, rettv
)
8420 typval_T
*argvars UNUSED
;
8423 rettv
->vval
.v_number
= curwin
->w_arg_idx
;
8427 * "argv(nr)" function
8430 f_argv(argvars
, rettv
)
8436 if (argvars
[0].v_type
!= VAR_UNKNOWN
)
8438 idx
= get_tv_number_chk(&argvars
[0], NULL
);
8439 if (idx
>= 0 && idx
< ARGCOUNT
)
8440 rettv
->vval
.v_string
= vim_strsave(alist_name(&ARGLIST
[idx
]));
8442 rettv
->vval
.v_string
= NULL
;
8443 rettv
->v_type
= VAR_STRING
;
8445 else if (rettv_list_alloc(rettv
) == OK
)
8446 for (idx
= 0; idx
< ARGCOUNT
; ++idx
)
8447 list_append_string(rettv
->vval
.v_list
,
8448 alist_name(&ARGLIST
[idx
]), -1);
8452 static int get_float_arg
__ARGS((typval_T
*argvars
, float_T
*f
));
8455 * Get the float value of "argvars[0]" into "f".
8456 * Returns FAIL when the argument is not a Number or Float.
8459 get_float_arg(argvars
, f
)
8463 if (argvars
[0].v_type
== VAR_FLOAT
)
8465 *f
= argvars
[0].vval
.v_float
;
8468 if (argvars
[0].v_type
== VAR_NUMBER
)
8470 *f
= (float_T
)argvars
[0].vval
.v_number
;
8473 EMSG(_("E808: Number or Float required"));
8481 f_atan(argvars
, rettv
)
8487 rettv
->v_type
= VAR_FLOAT
;
8488 if (get_float_arg(argvars
, &f
) == OK
)
8489 rettv
->vval
.v_float
= atan(f
);
8491 rettv
->vval
.v_float
= 0.0;
8496 * "browse(save, title, initdir, default)" function
8499 f_browse(argvars
, rettv
)
8500 typval_T
*argvars UNUSED
;
8508 char_u buf
[NUMBUFLEN
];
8509 char_u buf2
[NUMBUFLEN
];
8512 save
= get_tv_number_chk(&argvars
[0], &error
);
8513 title
= get_tv_string_chk(&argvars
[1]);
8514 initdir
= get_tv_string_buf_chk(&argvars
[2], buf
);
8515 defname
= get_tv_string_buf_chk(&argvars
[3], buf2
);
8517 if (error
|| title
== NULL
|| initdir
== NULL
|| defname
== NULL
)
8518 rettv
->vval
.v_string
= NULL
;
8520 rettv
->vval
.v_string
=
8521 do_browse(save
? BROWSE_SAVE
: 0,
8522 title
, defname
, NULL
, initdir
, NULL
, curbuf
);
8524 rettv
->vval
.v_string
= NULL
;
8526 rettv
->v_type
= VAR_STRING
;
8530 * "browsedir(title, initdir)" function
8533 f_browsedir(argvars
, rettv
)
8534 typval_T
*argvars UNUSED
;
8540 char_u buf
[NUMBUFLEN
];
8542 title
= get_tv_string_chk(&argvars
[0]);
8543 initdir
= get_tv_string_buf_chk(&argvars
[1], buf
);
8545 if (title
== NULL
|| initdir
== NULL
)
8546 rettv
->vval
.v_string
= NULL
;
8548 rettv
->vval
.v_string
= do_browse(BROWSE_DIR
,
8549 title
, NULL
, NULL
, initdir
, NULL
, curbuf
);
8551 rettv
->vval
.v_string
= NULL
;
8553 rettv
->v_type
= VAR_STRING
;
8556 static buf_T
*find_buffer
__ARGS((typval_T
*avar
));
8559 * Find a buffer by number or exact name.
8567 if (avar
->v_type
== VAR_NUMBER
)
8568 buf
= buflist_findnr((int)avar
->vval
.v_number
);
8569 else if (avar
->v_type
== VAR_STRING
&& avar
->vval
.v_string
!= NULL
)
8571 buf
= buflist_findname_exp(avar
->vval
.v_string
);
8574 /* No full path name match, try a match with a URL or a "nofile"
8575 * buffer, these don't use the full path. */
8576 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
8577 if (buf
->b_fname
!= NULL
8578 && (path_with_url(buf
->b_fname
)
8579 #ifdef FEAT_QUICKFIX
8583 && STRCMP(buf
->b_fname
, avar
->vval
.v_string
) == 0)
8591 * "bufexists(expr)" function
8594 f_bufexists(argvars
, rettv
)
8598 rettv
->vval
.v_number
= (find_buffer(&argvars
[0]) != NULL
);
8602 * "buflisted(expr)" function
8605 f_buflisted(argvars
, rettv
)
8611 buf
= find_buffer(&argvars
[0]);
8612 rettv
->vval
.v_number
= (buf
!= NULL
&& buf
->b_p_bl
);
8616 * "bufloaded(expr)" function
8619 f_bufloaded(argvars
, rettv
)
8625 buf
= find_buffer(&argvars
[0]);
8626 rettv
->vval
.v_number
= (buf
!= NULL
&& buf
->b_ml
.ml_mfp
!= NULL
);
8629 static buf_T
*get_buf_tv
__ARGS((typval_T
*tv
));
8632 * Get buffer by number or pattern.
8638 char_u
*name
= tv
->vval
.v_string
;
8643 if (tv
->v_type
== VAR_NUMBER
)
8644 return buflist_findnr((int)tv
->vval
.v_number
);
8645 if (tv
->v_type
!= VAR_STRING
)
8647 if (name
== NULL
|| *name
== NUL
)
8649 if (name
[0] == '$' && name
[1] == NUL
)
8652 /* Ignore 'magic' and 'cpoptions' here to make scripts portable */
8653 save_magic
= p_magic
;
8656 p_cpo
= (char_u
*)"";
8658 buf
= buflist_findnr(buflist_findpat(name
, name
+ STRLEN(name
),
8661 p_magic
= save_magic
;
8664 /* If not found, try expanding the name, like done for bufexists(). */
8666 buf
= find_buffer(tv
);
8672 * "bufname(expr)" function
8675 f_bufname(argvars
, rettv
)
8681 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
8683 buf
= get_buf_tv(&argvars
[0]);
8684 rettv
->v_type
= VAR_STRING
;
8685 if (buf
!= NULL
&& buf
->b_fname
!= NULL
)
8686 rettv
->vval
.v_string
= vim_strsave(buf
->b_fname
);
8688 rettv
->vval
.v_string
= NULL
;
8693 * "bufnr(expr)" function
8696 f_bufnr(argvars
, rettv
)
8704 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
8706 buf
= get_buf_tv(&argvars
[0]);
8709 /* If the buffer isn't found and the second argument is not zero create a
8712 && argvars
[1].v_type
!= VAR_UNKNOWN
8713 && get_tv_number_chk(&argvars
[1], &error
) != 0
8715 && (name
= get_tv_string_chk(&argvars
[0])) != NULL
8717 buf
= buflist_new(name
, NULL
, (linenr_T
)1, 0);
8720 rettv
->vval
.v_number
= buf
->b_fnum
;
8722 rettv
->vval
.v_number
= -1;
8726 * "bufwinnr(nr)" function
8729 f_bufwinnr(argvars
, rettv
)
8739 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
8741 buf
= get_buf_tv(&argvars
[0]);
8743 for (wp
= firstwin
; wp
; wp
= wp
->w_next
)
8746 if (wp
->w_buffer
== buf
)
8749 rettv
->vval
.v_number
= (wp
!= NULL
? winnr
: -1);
8751 rettv
->vval
.v_number
= (curwin
->w_buffer
== buf
? 1 : -1);
8757 * "byte2line(byte)" function
8760 f_byte2line(argvars
, rettv
)
8761 typval_T
*argvars UNUSED
;
8764 #ifndef FEAT_BYTEOFF
8765 rettv
->vval
.v_number
= -1;
8769 boff
= get_tv_number(&argvars
[0]) - 1; /* boff gets -1 on type error */
8771 rettv
->vval
.v_number
= -1;
8773 rettv
->vval
.v_number
= ml_find_line_or_offset(curbuf
,
8774 (linenr_T
)0, &boff
);
8779 * "byteidx()" function
8782 f_byteidx(argvars
, rettv
)
8792 str
= get_tv_string_chk(&argvars
[0]);
8793 idx
= get_tv_number_chk(&argvars
[1], NULL
);
8794 rettv
->vval
.v_number
= -1;
8795 if (str
== NULL
|| idx
< 0)
8800 for ( ; idx
> 0; idx
--)
8802 if (*t
== NUL
) /* EOL reached */
8804 t
+= (*mb_ptr2len
)(t
);
8806 rettv
->vval
.v_number
= (varnumber_T
)(t
- str
);
8808 if ((size_t)idx
<= STRLEN(str
))
8809 rettv
->vval
.v_number
= idx
;
8814 * "call(func, arglist)" function
8817 f_call(argvars
, rettv
)
8822 typval_T argv
[MAX_FUNC_ARGS
+ 1];
8826 dict_T
*selfdict
= NULL
;
8828 if (argvars
[1].v_type
!= VAR_LIST
)
8833 if (argvars
[1].vval
.v_list
== NULL
)
8836 if (argvars
[0].v_type
== VAR_FUNC
)
8837 func
= argvars
[0].vval
.v_string
;
8839 func
= get_tv_string(&argvars
[0]);
8841 return; /* type error or empty name */
8843 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
8845 if (argvars
[2].v_type
!= VAR_DICT
)
8850 selfdict
= argvars
[2].vval
.v_dict
;
8853 for (item
= argvars
[1].vval
.v_list
->lv_first
; item
!= NULL
;
8854 item
= item
->li_next
)
8856 if (argc
== MAX_FUNC_ARGS
)
8858 EMSG(_("E699: Too many arguments"));
8861 /* Make a copy of each argument. This is needed to be able to set
8862 * v_lock to VAR_FIXED in the copy without changing the original list.
8864 copy_tv(&item
->li_tv
, &argv
[argc
++]);
8868 (void)call_func(func
, (int)STRLEN(func
), rettv
, argc
, argv
,
8869 curwin
->w_cursor
.lnum
, curwin
->w_cursor
.lnum
,
8870 &dummy
, TRUE
, selfdict
);
8872 /* Free the arguments. */
8874 clear_tv(&argv
[--argc
]);
8879 * "ceil({float})" function
8882 f_ceil(argvars
, rettv
)
8888 rettv
->v_type
= VAR_FLOAT
;
8889 if (get_float_arg(argvars
, &f
) == OK
)
8890 rettv
->vval
.v_float
= ceil(f
);
8892 rettv
->vval
.v_float
= 0.0;
8897 * "changenr()" function
8900 f_changenr(argvars
, rettv
)
8901 typval_T
*argvars UNUSED
;
8904 rettv
->vval
.v_number
= curbuf
->b_u_seq_cur
;
8908 * "char2nr(string)" function
8911 f_char2nr(argvars
, rettv
)
8917 rettv
->vval
.v_number
= (*mb_ptr2char
)(get_tv_string(&argvars
[0]));
8920 rettv
->vval
.v_number
= get_tv_string(&argvars
[0])[0];
8924 * "cindent(lnum)" function
8927 f_cindent(argvars
, rettv
)
8935 pos
= curwin
->w_cursor
;
8936 lnum
= get_tv_lnum(argvars
);
8937 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
)
8939 curwin
->w_cursor
.lnum
= lnum
;
8940 rettv
->vval
.v_number
= get_c_indent();
8941 curwin
->w_cursor
= pos
;
8945 rettv
->vval
.v_number
= -1;
8949 * "clearmatches()" function
8952 f_clearmatches(argvars
, rettv
)
8953 typval_T
*argvars UNUSED
;
8954 typval_T
*rettv UNUSED
;
8956 #ifdef FEAT_SEARCH_EXTRA
8957 clear_matches(curwin
);
8962 * "col(string)" function
8965 f_col(argvars
, rettv
)
8971 int fnum
= curbuf
->b_fnum
;
8973 fp
= var2fpos(&argvars
[0], FALSE
, &fnum
);
8974 if (fp
!= NULL
&& fnum
== curbuf
->b_fnum
)
8976 if (fp
->col
== MAXCOL
)
8978 /* '> can be MAXCOL, get the length of the line then */
8979 if (fp
->lnum
<= curbuf
->b_ml
.ml_line_count
)
8980 col
= (colnr_T
)STRLEN(ml_get(fp
->lnum
)) + 1;
8987 #ifdef FEAT_VIRTUALEDIT
8988 /* col(".") when the cursor is on the NUL at the end of the line
8989 * because of "coladd" can be seen as an extra column. */
8990 if (virtual_active() && fp
== &curwin
->w_cursor
)
8992 char_u
*p
= ml_get_cursor();
8994 if (curwin
->w_cursor
.coladd
>= (colnr_T
)chartabsize(p
,
8995 curwin
->w_virtcol
- curwin
->w_cursor
.coladd
))
9000 if (*p
!= NUL
&& p
[(l
= (*mb_ptr2len
)(p
))] == NUL
)
9003 if (*p
!= NUL
&& p
[1] == NUL
)
9011 rettv
->vval
.v_number
= col
;
9014 #if defined(FEAT_INS_EXPAND)
9016 * "complete()" function
9019 f_complete(argvars
, rettv
)
9021 typval_T
*rettv UNUSED
;
9025 if ((State
& INSERT
) == 0)
9027 EMSG(_("E785: complete() can only be used in Insert mode"));
9031 /* Check for undo allowed here, because if something was already inserted
9032 * the line was already saved for undo and this check isn't done. */
9033 if (!undo_allowed())
9036 if (argvars
[1].v_type
!= VAR_LIST
|| argvars
[1].vval
.v_list
== NULL
)
9042 startcol
= get_tv_number_chk(&argvars
[0], NULL
);
9046 set_completion(startcol
- 1, argvars
[1].vval
.v_list
);
9050 * "complete_add()" function
9053 f_complete_add(argvars
, rettv
)
9057 rettv
->vval
.v_number
= ins_compl_add_tv(&argvars
[0], 0);
9061 * "complete_check()" function
9064 f_complete_check(argvars
, rettv
)
9065 typval_T
*argvars UNUSED
;
9068 int saved
= RedrawingDisabled
;
9070 RedrawingDisabled
= 0;
9071 ins_compl_check_keys(0);
9072 rettv
->vval
.v_number
= compl_interrupted
;
9073 RedrawingDisabled
= saved
;
9078 * "confirm(message, buttons[, default [, type]])" function
9081 f_confirm(argvars
, rettv
)
9082 typval_T
*argvars UNUSED
;
9083 typval_T
*rettv UNUSED
;
9085 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
9087 char_u
*buttons
= NULL
;
9088 char_u buf
[NUMBUFLEN
];
9089 char_u buf2
[NUMBUFLEN
];
9091 int type
= VIM_GENERIC
;
9095 message
= get_tv_string_chk(&argvars
[0]);
9096 if (message
== NULL
)
9098 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
9100 buttons
= get_tv_string_buf_chk(&argvars
[1], buf
);
9101 if (buttons
== NULL
)
9103 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9105 def
= get_tv_number_chk(&argvars
[2], &error
);
9106 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
9108 typestr
= get_tv_string_buf_chk(&argvars
[3], buf2
);
9109 if (typestr
== NULL
)
9113 switch (TOUPPER_ASC(*typestr
))
9115 case 'E': type
= VIM_ERROR
; break;
9116 case 'Q': type
= VIM_QUESTION
; break;
9117 case 'I': type
= VIM_INFO
; break;
9118 case 'W': type
= VIM_WARNING
; break;
9119 case 'G': type
= VIM_GENERIC
; break;
9126 if (buttons
== NULL
|| *buttons
== NUL
)
9127 buttons
= (char_u
*)_("&Ok");
9130 rettv
->vval
.v_number
= do_dialog(type
, NULL
, message
, buttons
,
9139 f_copy(argvars
, rettv
)
9143 item_copy(&argvars
[0], rettv
, FALSE
, 0);
9151 f_cos(argvars
, rettv
)
9157 rettv
->v_type
= VAR_FLOAT
;
9158 if (get_float_arg(argvars
, &f
) == OK
)
9159 rettv
->vval
.v_float
= cos(f
);
9161 rettv
->vval
.v_float
= 0.0;
9166 * "count()" function
9169 f_count(argvars
, rettv
)
9176 if (argvars
[0].v_type
== VAR_LIST
)
9182 if ((l
= argvars
[0].vval
.v_list
) != NULL
)
9185 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9189 ic
= get_tv_number_chk(&argvars
[2], &error
);
9190 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
9192 idx
= get_tv_number_chk(&argvars
[3], &error
);
9195 li
= list_find(l
, idx
);
9197 EMSGN(_(e_listidx
), idx
);
9204 for ( ; li
!= NULL
; li
= li
->li_next
)
9205 if (tv_equal(&li
->li_tv
, &argvars
[1], ic
))
9209 else if (argvars
[0].v_type
== VAR_DICT
)
9215 if ((d
= argvars
[0].vval
.v_dict
) != NULL
)
9219 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9221 ic
= get_tv_number_chk(&argvars
[2], &error
);
9222 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
9226 todo
= error
? 0 : (int)d
->dv_hashtab
.ht_used
;
9227 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
9229 if (!HASHITEM_EMPTY(hi
))
9232 if (tv_equal(&HI2DI(hi
)->di_tv
, &argvars
[1], ic
))
9239 EMSG2(_(e_listdictarg
), "count()");
9240 rettv
->vval
.v_number
= n
;
9244 * "cscope_connection([{num} , {dbpath} [, {prepend}]])" function
9246 * Checks the existence of a cscope connection.
9249 f_cscope_connection(argvars
, rettv
)
9250 typval_T
*argvars UNUSED
;
9251 typval_T
*rettv UNUSED
;
9255 char_u
*dbpath
= NULL
;
9256 char_u
*prepend
= NULL
;
9257 char_u buf
[NUMBUFLEN
];
9259 if (argvars
[0].v_type
!= VAR_UNKNOWN
9260 && argvars
[1].v_type
!= VAR_UNKNOWN
)
9262 num
= (int)get_tv_number(&argvars
[0]);
9263 dbpath
= get_tv_string(&argvars
[1]);
9264 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9265 prepend
= get_tv_string_buf(&argvars
[2], buf
);
9268 rettv
->vval
.v_number
= cs_connection(num
, dbpath
, prepend
);
9273 * "cursor(lnum, col)" function
9275 * Moves the cursor to the specified line and column.
9276 * Returns 0 when the position could be set, -1 otherwise.
9279 f_cursor(argvars
, rettv
)
9284 #ifdef FEAT_VIRTUALEDIT
9288 rettv
->vval
.v_number
= -1;
9289 if (argvars
[1].v_type
== VAR_UNKNOWN
)
9293 if (list2fpos(argvars
, &pos
, NULL
) == FAIL
)
9297 #ifdef FEAT_VIRTUALEDIT
9298 coladd
= pos
.coladd
;
9303 line
= get_tv_lnum(argvars
);
9304 col
= get_tv_number_chk(&argvars
[1], NULL
);
9305 #ifdef FEAT_VIRTUALEDIT
9306 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9307 coladd
= get_tv_number_chk(&argvars
[2], NULL
);
9310 if (line
< 0 || col
< 0
9311 #ifdef FEAT_VIRTUALEDIT
9315 return; /* type error; errmsg already given */
9317 curwin
->w_cursor
.lnum
= line
;
9319 curwin
->w_cursor
.col
= col
- 1;
9320 #ifdef FEAT_VIRTUALEDIT
9321 curwin
->w_cursor
.coladd
= coladd
;
9324 /* Make sure the cursor is in a valid position. */
9327 /* Correct cursor for multi-byte character. */
9332 curwin
->w_set_curswant
= TRUE
;
9333 rettv
->vval
.v_number
= 0;
9337 * "deepcopy()" function
9340 f_deepcopy(argvars
, rettv
)
9346 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
9347 noref
= get_tv_number_chk(&argvars
[1], NULL
);
9348 if (noref
< 0 || noref
> 1)
9352 current_copyID
+= COPYID_INC
;
9353 item_copy(&argvars
[0], rettv
, TRUE
, noref
== 0 ? current_copyID
: 0);
9358 * "delete()" function
9361 f_delete(argvars
, rettv
)
9365 if (check_restricted() || check_secure())
9366 rettv
->vval
.v_number
= -1;
9368 rettv
->vval
.v_number
= mch_remove(get_tv_string(&argvars
[0]));
9372 * "did_filetype()" function
9375 f_did_filetype(argvars
, rettv
)
9376 typval_T
*argvars UNUSED
;
9377 typval_T
*rettv UNUSED
;
9380 rettv
->vval
.v_number
= did_filetype
;
9385 * "diff_filler()" function
9388 f_diff_filler(argvars
, rettv
)
9389 typval_T
*argvars UNUSED
;
9390 typval_T
*rettv UNUSED
;
9393 rettv
->vval
.v_number
= diff_check_fill(curwin
, get_tv_lnum(argvars
));
9398 * "diff_hlID()" function
9401 f_diff_hlID(argvars
, rettv
)
9402 typval_T
*argvars UNUSED
;
9403 typval_T
*rettv UNUSED
;
9406 linenr_T lnum
= get_tv_lnum(argvars
);
9407 static linenr_T prev_lnum
= 0;
9408 static int changedtick
= 0;
9409 static int fnum
= 0;
9410 static int change_start
= 0;
9411 static int change_end
= 0;
9412 static hlf_T hlID
= (hlf_T
)0;
9416 if (lnum
< 0) /* ignore type error in {lnum} arg */
9418 if (lnum
!= prev_lnum
9419 || changedtick
!= curbuf
->b_changedtick
9420 || fnum
!= curbuf
->b_fnum
)
9422 /* New line, buffer, change: need to get the values. */
9423 filler_lines
= diff_check(curwin
, lnum
);
9424 if (filler_lines
< 0)
9426 if (filler_lines
== -1)
9428 change_start
= MAXCOL
;
9430 if (diff_find_change(curwin
, lnum
, &change_start
, &change_end
))
9431 hlID
= HLF_ADD
; /* added line */
9433 hlID
= HLF_CHD
; /* changed line */
9436 hlID
= HLF_ADD
; /* added line */
9441 changedtick
= curbuf
->b_changedtick
;
9442 fnum
= curbuf
->b_fnum
;
9445 if (hlID
== HLF_CHD
|| hlID
== HLF_TXD
)
9447 col
= get_tv_number(&argvars
[1]) - 1; /* ignore type error in {col} */
9448 if (col
>= change_start
&& col
<= change_end
)
9449 hlID
= HLF_TXD
; /* changed text */
9451 hlID
= HLF_CHD
; /* changed line */
9453 rettv
->vval
.v_number
= hlID
== (hlf_T
)0 ? 0 : (int)hlID
;
9458 * "empty({expr})" function
9461 f_empty(argvars
, rettv
)
9467 switch (argvars
[0].v_type
)
9471 n
= argvars
[0].vval
.v_string
== NULL
9472 || *argvars
[0].vval
.v_string
== NUL
;
9475 n
= argvars
[0].vval
.v_number
== 0;
9479 n
= argvars
[0].vval
.v_float
== 0.0;
9483 n
= argvars
[0].vval
.v_list
== NULL
9484 || argvars
[0].vval
.v_list
->lv_first
== NULL
;
9487 n
= argvars
[0].vval
.v_dict
== NULL
9488 || argvars
[0].vval
.v_dict
->dv_hashtab
.ht_used
== 0;
9491 EMSG2(_(e_intern2
), "f_empty()");
9495 rettv
->vval
.v_number
= n
;
9499 * "escape({string}, {chars})" function
9502 f_escape(argvars
, rettv
)
9506 char_u buf
[NUMBUFLEN
];
9508 rettv
->vval
.v_string
= vim_strsave_escaped(get_tv_string(&argvars
[0]),
9509 get_tv_string_buf(&argvars
[1], buf
));
9510 rettv
->v_type
= VAR_STRING
;
9517 f_eval(argvars
, rettv
)
9523 s
= get_tv_string_chk(&argvars
[0]);
9527 if (s
== NULL
|| eval1(&s
, rettv
, TRUE
) == FAIL
)
9529 rettv
->v_type
= VAR_NUMBER
;
9530 rettv
->vval
.v_number
= 0;
9533 EMSG(_(e_trailing
));
9537 * "eventhandler()" function
9540 f_eventhandler(argvars
, rettv
)
9541 typval_T
*argvars UNUSED
;
9544 rettv
->vval
.v_number
= vgetc_busy
;
9548 * "executable()" function
9551 f_executable(argvars
, rettv
)
9555 rettv
->vval
.v_number
= mch_can_exe(get_tv_string(&argvars
[0]));
9559 * "exists()" function
9562 f_exists(argvars
, rettv
)
9571 p
= get_tv_string(&argvars
[0]);
9572 if (*p
== '$') /* environment variable */
9574 /* first try "normal" environment variables (fast) */
9575 if (mch_getenv(p
+ 1) != NULL
)
9579 /* try expanding things like $VIM and ${HOME} */
9580 p
= expand_env_save(p
);
9581 if (p
!= NULL
&& *p
!= '$')
9586 else if (*p
== '&' || *p
== '+') /* option */
9588 n
= (get_option_tv(&p
, NULL
, TRUE
) == OK
);
9589 if (*skipwhite(p
) != NUL
)
9590 n
= FALSE
; /* trailing garbage */
9592 else if (*p
== '*') /* internal or user defined function */
9594 n
= function_exists(p
+ 1);
9598 n
= cmd_exists(p
+ 1);
9604 n
= autocmd_supported(p
+ 2);
9606 n
= au_exists(p
+ 1);
9609 else /* internal variable */
9614 /* get_name_len() takes care of expanding curly braces */
9616 len
= get_name_len(&p
, &tofree
, TRUE
, FALSE
);
9621 n
= (get_var_tv(name
, len
, &tv
, FALSE
) == OK
);
9624 /* handle d.key, l[idx], f(expr) */
9625 n
= (handle_subscript(&p
, &tv
, TRUE
, FALSE
) == OK
);
9636 rettv
->vval
.v_number
= n
;
9640 * "expand()" function
9643 f_expand(argvars
, rettv
)
9650 int flags
= WILD_SILENT
|WILD_USE_NL
|WILD_LIST_NOTFOUND
;
9654 rettv
->v_type
= VAR_STRING
;
9655 s
= get_tv_string(&argvars
[0]);
9656 if (*s
== '%' || *s
== '#' || *s
== '<')
9659 rettv
->vval
.v_string
= eval_vars(s
, s
, &len
, NULL
, &errormsg
, NULL
);
9664 /* When the optional second argument is non-zero, don't remove matches
9665 * for 'wildignore' and don't put matches for 'suffixes' at the end. */
9666 if (argvars
[1].v_type
!= VAR_UNKNOWN
9667 && get_tv_number_chk(&argvars
[1], &error
))
9668 flags
|= WILD_KEEP_ALL
;
9672 xpc
.xp_context
= EXPAND_FILES
;
9673 rettv
->vval
.v_string
= ExpandOne(&xpc
, s
, NULL
, flags
, WILD_ALL
);
9676 rettv
->vval
.v_string
= NULL
;
9681 * "extend(list, list [, idx])" function
9682 * "extend(dict, dict [, action])" function
9685 f_extend(argvars
, rettv
)
9689 if (argvars
[0].v_type
== VAR_LIST
&& argvars
[1].v_type
== VAR_LIST
)
9696 l1
= argvars
[0].vval
.v_list
;
9697 l2
= argvars
[1].vval
.v_list
;
9698 if (l1
!= NULL
&& !tv_check_lock(l1
->lv_lock
, (char_u
*)"extend()")
9701 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9703 before
= get_tv_number_chk(&argvars
[2], &error
);
9705 return; /* type error; errmsg already given */
9707 if (before
== l1
->lv_len
)
9711 item
= list_find(l1
, before
);
9714 EMSGN(_(e_listidx
), before
);
9721 list_extend(l1
, l2
, item
);
9723 copy_tv(&argvars
[0], rettv
);
9726 else if (argvars
[0].v_type
== VAR_DICT
&& argvars
[1].v_type
== VAR_DICT
)
9735 d1
= argvars
[0].vval
.v_dict
;
9736 d2
= argvars
[1].vval
.v_dict
;
9737 if (d1
!= NULL
&& !tv_check_lock(d1
->dv_lock
, (char_u
*)"extend()")
9740 /* Check the third argument. */
9741 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9743 static char *(av
[]) = {"keep", "force", "error"};
9745 action
= get_tv_string_chk(&argvars
[2]);
9747 return; /* type error; errmsg already given */
9748 for (i
= 0; i
< 3; ++i
)
9749 if (STRCMP(action
, av
[i
]) == 0)
9753 EMSG2(_(e_invarg2
), action
);
9758 action
= (char_u
*)"force";
9760 /* Go over all entries in the second dict and add them to the
9762 todo
= (int)d2
->dv_hashtab
.ht_used
;
9763 for (hi2
= d2
->dv_hashtab
.ht_array
; todo
> 0; ++hi2
)
9765 if (!HASHITEM_EMPTY(hi2
))
9768 di1
= dict_find(d1
, hi2
->hi_key
, -1);
9771 di1
= dictitem_copy(HI2DI(hi2
));
9772 if (di1
!= NULL
&& dict_add(d1
, di1
) == FAIL
)
9775 else if (*action
== 'e')
9777 EMSG2(_("E737: Key already exists: %s"), hi2
->hi_key
);
9780 else if (*action
== 'f')
9782 clear_tv(&di1
->di_tv
);
9783 copy_tv(&HI2DI(hi2
)->di_tv
, &di1
->di_tv
);
9788 copy_tv(&argvars
[0], rettv
);
9792 EMSG2(_(e_listdictarg
), "extend()");
9796 * "feedkeys()" function
9799 f_feedkeys(argvars
, rettv
)
9801 typval_T
*rettv UNUSED
;
9804 char_u
*keys
, *flags
;
9805 char_u nbuf
[NUMBUFLEN
];
9809 /* This is not allowed in the sandbox. If the commands would still be
9810 * executed in the sandbox it would be OK, but it probably happens later,
9811 * when "sandbox" is no longer set. */
9815 keys
= get_tv_string(&argvars
[0]);
9818 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
9820 flags
= get_tv_string_buf(&argvars
[1], nbuf
);
9821 for ( ; *flags
!= NUL
; ++flags
)
9825 case 'n': remap
= FALSE
; break;
9826 case 'm': remap
= TRUE
; break;
9827 case 't': typed
= TRUE
; break;
9832 /* Need to escape K_SPECIAL and CSI before putting the string in the
9833 * typeahead buffer. */
9834 keys_esc
= vim_strsave_escape_csi(keys
);
9835 if (keys_esc
!= NULL
)
9837 ins_typebuf(keys_esc
, (remap
? REMAP_YES
: REMAP_NONE
),
9838 typebuf
.tb_len
, !typed
, FALSE
);
9841 typebuf_was_filled
= TRUE
;
9847 * "filereadable()" function
9850 f_filereadable(argvars
, rettv
)
9859 # define O_NONBLOCK 0
9861 p
= get_tv_string(&argvars
[0]);
9862 if (*p
&& !mch_isdir(p
) && (fd
= mch_open((char *)p
,
9863 O_RDONLY
| O_NONBLOCK
, 0)) >= 0)
9871 rettv
->vval
.v_number
= n
;
9875 * Return 0 for not writable, 1 for writable file, 2 for a dir which we have
9876 * rights to write into.
9879 f_filewritable(argvars
, rettv
)
9883 rettv
->vval
.v_number
= filewritable(get_tv_string(&argvars
[0]));
9886 static void findfilendir
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int find_what
));
9889 findfilendir(argvars
, rettv
, find_what
)
9894 #ifdef FEAT_SEARCHPATH
9896 char_u
*fresult
= NULL
;
9897 char_u
*path
= *curbuf
->b_p_path
== NUL
? p_path
: curbuf
->b_p_path
;
9899 char_u pathbuf
[NUMBUFLEN
];
9905 rettv
->vval
.v_string
= NULL
;
9906 rettv
->v_type
= VAR_STRING
;
9908 #ifdef FEAT_SEARCHPATH
9909 fname
= get_tv_string(&argvars
[0]);
9911 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
9913 p
= get_tv_string_buf_chk(&argvars
[1], pathbuf
);
9921 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9922 count
= get_tv_number_chk(&argvars
[2], &error
);
9926 if (count
< 0 && rettv_list_alloc(rettv
) == FAIL
)
9929 if (*fname
!= NUL
&& !error
)
9933 if (rettv
->v_type
== VAR_STRING
)
9935 fresult
= find_file_in_path_option(first
? fname
: NULL
,
9936 first
? (int)STRLEN(fname
) : 0,
9940 find_what
== FINDFILE_DIR
9941 ? (char_u
*)"" : curbuf
->b_p_sua
);
9944 if (fresult
!= NULL
&& rettv
->v_type
== VAR_LIST
)
9945 list_append_string(rettv
->vval
.v_list
, fresult
, -1);
9947 } while ((rettv
->v_type
== VAR_LIST
|| --count
> 0) && fresult
!= NULL
);
9950 if (rettv
->v_type
== VAR_STRING
)
9951 rettv
->vval
.v_string
= fresult
;
9955 static void filter_map
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int map
));
9956 static int filter_map_one
__ARGS((typval_T
*tv
, char_u
*expr
, int map
, int *remp
));
9959 * Implementation of map() and filter().
9962 filter_map(argvars
, rettv
, map
)
9967 char_u buf
[NUMBUFLEN
];
9969 listitem_T
*li
, *nli
;
9979 char_u
*ermsg
= map
? (char_u
*)"map()" : (char_u
*)"filter()";
9983 if (argvars
[0].v_type
== VAR_LIST
)
9985 if ((l
= argvars
[0].vval
.v_list
) == NULL
9986 || (map
&& tv_check_lock(l
->lv_lock
, ermsg
)))
9989 else if (argvars
[0].v_type
== VAR_DICT
)
9991 if ((d
= argvars
[0].vval
.v_dict
) == NULL
9992 || (map
&& tv_check_lock(d
->dv_lock
, ermsg
)))
9997 EMSG2(_(e_listdictarg
), ermsg
);
10001 expr
= get_tv_string_buf_chk(&argvars
[1], buf
);
10002 /* On type errors, the preceding call has already displayed an error
10003 * message. Avoid a misleading error message for an empty string that
10004 * was not passed as argument. */
10007 prepare_vimvar(VV_VAL
, &save_val
);
10008 expr
= skipwhite(expr
);
10010 /* We reset "did_emsg" to be able to detect whether an error
10011 * occurred during evaluation of the expression. */
10012 save_did_emsg
= did_emsg
;
10015 prepare_vimvar(VV_KEY
, &save_key
);
10016 if (argvars
[0].v_type
== VAR_DICT
)
10018 vimvars
[VV_KEY
].vv_type
= VAR_STRING
;
10020 ht
= &d
->dv_hashtab
;
10022 todo
= (int)ht
->ht_used
;
10023 for (hi
= ht
->ht_array
; todo
> 0; ++hi
)
10025 if (!HASHITEM_EMPTY(hi
))
10029 if (tv_check_lock(di
->di_tv
.v_lock
, ermsg
))
10031 vimvars
[VV_KEY
].vv_str
= vim_strsave(di
->di_key
);
10032 if (filter_map_one(&di
->di_tv
, expr
, map
, &rem
) == FAIL
10036 dictitem_remove(d
, di
);
10037 clear_tv(&vimvars
[VV_KEY
].vv_tv
);
10044 vimvars
[VV_KEY
].vv_type
= VAR_NUMBER
;
10046 for (li
= l
->lv_first
; li
!= NULL
; li
= nli
)
10048 if (tv_check_lock(li
->li_tv
.v_lock
, ermsg
))
10051 vimvars
[VV_KEY
].vv_nr
= index
;
10052 if (filter_map_one(&li
->li_tv
, expr
, map
, &rem
) == FAIL
10056 listitem_remove(l
, li
);
10061 restore_vimvar(VV_KEY
, &save_key
);
10062 restore_vimvar(VV_VAL
, &save_val
);
10064 did_emsg
|= save_did_emsg
;
10067 copy_tv(&argvars
[0], rettv
);
10071 filter_map_one(tv
, expr
, map
, remp
)
10081 copy_tv(tv
, &vimvars
[VV_VAL
].vv_tv
);
10083 if (eval1(&s
, &rettv
, TRUE
) == FAIL
)
10085 if (*s
!= NUL
) /* check for trailing chars after expr */
10087 EMSG2(_(e_invexpr2
), s
);
10092 /* map(): replace the list item value */
10101 /* filter(): when expr is zero remove the item */
10102 *remp
= (get_tv_number_chk(&rettv
, &error
) == 0);
10104 /* On type error, nothing has been removed; return FAIL to stop the
10105 * loop. The error message was given by get_tv_number_chk(). */
10111 clear_tv(&vimvars
[VV_VAL
].vv_tv
);
10116 * "filter()" function
10119 f_filter(argvars
, rettv
)
10123 filter_map(argvars
, rettv
, FALSE
);
10127 * "finddir({fname}[, {path}[, {count}]])" function
10130 f_finddir(argvars
, rettv
)
10134 findfilendir(argvars
, rettv
, FINDFILE_DIR
);
10138 * "findfile({fname}[, {path}[, {count}]])" function
10141 f_findfile(argvars
, rettv
)
10145 findfilendir(argvars
, rettv
, FINDFILE_FILE
);
10150 * "float2nr({float})" function
10153 f_float2nr(argvars
, rettv
)
10159 if (get_float_arg(argvars
, &f
) == OK
)
10161 if (f
< -0x7fffffff)
10162 rettv
->vval
.v_number
= -0x7fffffff;
10163 else if (f
> 0x7fffffff)
10164 rettv
->vval
.v_number
= 0x7fffffff;
10166 rettv
->vval
.v_number
= (varnumber_T
)f
;
10171 * "floor({float})" function
10174 f_floor(argvars
, rettv
)
10180 rettv
->v_type
= VAR_FLOAT
;
10181 if (get_float_arg(argvars
, &f
) == OK
)
10182 rettv
->vval
.v_float
= floor(f
);
10184 rettv
->vval
.v_float
= 0.0;
10189 * "fnameescape({string})" function
10192 f_fnameescape(argvars
, rettv
)
10196 rettv
->vval
.v_string
= vim_strsave_fnameescape(
10197 get_tv_string(&argvars
[0]), FALSE
);
10198 rettv
->v_type
= VAR_STRING
;
10202 * "fnamemodify({fname}, {mods})" function
10205 f_fnamemodify(argvars
, rettv
)
10213 char_u
*fbuf
= NULL
;
10214 char_u buf
[NUMBUFLEN
];
10216 fname
= get_tv_string_chk(&argvars
[0]);
10217 mods
= get_tv_string_buf_chk(&argvars
[1], buf
);
10218 if (fname
== NULL
|| mods
== NULL
)
10222 len
= (int)STRLEN(fname
);
10223 (void)modify_fname(mods
, &usedlen
, &fname
, &fbuf
, &len
);
10226 rettv
->v_type
= VAR_STRING
;
10228 rettv
->vval
.v_string
= NULL
;
10230 rettv
->vval
.v_string
= vim_strnsave(fname
, len
);
10234 static void foldclosed_both
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int end
));
10237 * "foldclosed()" function
10240 foldclosed_both(argvars
, rettv
, end
)
10245 #ifdef FEAT_FOLDING
10247 linenr_T first
, last
;
10249 lnum
= get_tv_lnum(argvars
);
10250 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
)
10252 if (hasFoldingWin(curwin
, lnum
, &first
, &last
, FALSE
, NULL
))
10255 rettv
->vval
.v_number
= (varnumber_T
)last
;
10257 rettv
->vval
.v_number
= (varnumber_T
)first
;
10262 rettv
->vval
.v_number
= -1;
10266 * "foldclosed()" function
10269 f_foldclosed(argvars
, rettv
)
10273 foldclosed_both(argvars
, rettv
, FALSE
);
10277 * "foldclosedend()" function
10280 f_foldclosedend(argvars
, rettv
)
10284 foldclosed_both(argvars
, rettv
, TRUE
);
10288 * "foldlevel()" function
10291 f_foldlevel(argvars
, rettv
)
10295 #ifdef FEAT_FOLDING
10298 lnum
= get_tv_lnum(argvars
);
10299 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
)
10300 rettv
->vval
.v_number
= foldLevel(lnum
);
10305 * "foldtext()" function
10308 f_foldtext(argvars
, rettv
)
10309 typval_T
*argvars UNUSED
;
10312 #ifdef FEAT_FOLDING
10320 rettv
->v_type
= VAR_STRING
;
10321 rettv
->vval
.v_string
= NULL
;
10322 #ifdef FEAT_FOLDING
10323 if ((linenr_T
)vimvars
[VV_FOLDSTART
].vv_nr
> 0
10324 && (linenr_T
)vimvars
[VV_FOLDEND
].vv_nr
10325 <= curbuf
->b_ml
.ml_line_count
10326 && vimvars
[VV_FOLDDASHES
].vv_str
!= NULL
)
10328 /* Find first non-empty line in the fold. */
10329 lnum
= (linenr_T
)vimvars
[VV_FOLDSTART
].vv_nr
;
10330 while (lnum
< (linenr_T
)vimvars
[VV_FOLDEND
].vv_nr
)
10332 if (!linewhite(lnum
))
10337 /* Find interesting text in this line. */
10338 s
= skipwhite(ml_get(lnum
));
10339 /* skip C comment-start */
10340 if (s
[0] == '/' && (s
[1] == '*' || s
[1] == '/'))
10342 s
= skipwhite(s
+ 2);
10343 if (*skipwhite(s
) == NUL
10344 && lnum
+ 1 < (linenr_T
)vimvars
[VV_FOLDEND
].vv_nr
)
10346 s
= skipwhite(ml_get(lnum
+ 1));
10348 s
= skipwhite(s
+ 1);
10351 txt
= _("+-%s%3ld lines: ");
10352 r
= alloc((unsigned)(STRLEN(txt
)
10353 + STRLEN(vimvars
[VV_FOLDDASHES
].vv_str
) /* for %s */
10354 + 20 /* for %3ld */
10355 + STRLEN(s
))); /* concatenated */
10358 sprintf((char *)r
, txt
, vimvars
[VV_FOLDDASHES
].vv_str
,
10359 (long)((linenr_T
)vimvars
[VV_FOLDEND
].vv_nr
10360 - (linenr_T
)vimvars
[VV_FOLDSTART
].vv_nr
+ 1));
10361 len
= (int)STRLEN(r
);
10363 /* remove 'foldmarker' and 'commentstring' */
10364 foldtext_cleanup(r
+ len
);
10365 rettv
->vval
.v_string
= r
;
10372 * "foldtextresult(lnum)" function
10375 f_foldtextresult(argvars
, rettv
)
10376 typval_T
*argvars UNUSED
;
10379 #ifdef FEAT_FOLDING
10383 foldinfo_T foldinfo
;
10387 rettv
->v_type
= VAR_STRING
;
10388 rettv
->vval
.v_string
= NULL
;
10389 #ifdef FEAT_FOLDING
10390 lnum
= get_tv_lnum(argvars
);
10391 /* treat illegal types and illegal string values for {lnum} the same */
10394 fold_count
= foldedCount(curwin
, lnum
, &foldinfo
);
10395 if (fold_count
> 0)
10397 text
= get_foldtext(curwin
, lnum
, lnum
+ fold_count
- 1,
10400 text
= vim_strsave(text
);
10401 rettv
->vval
.v_string
= text
;
10407 * "foreground()" function
10410 f_foreground(argvars
, rettv
)
10411 typval_T
*argvars UNUSED
;
10412 typval_T
*rettv UNUSED
;
10416 gui_mch_set_foreground();
10419 win32_set_foreground();
10425 * "function()" function
10428 f_function(argvars
, rettv
)
10434 s
= get_tv_string(&argvars
[0]);
10435 if (s
== NULL
|| *s
== NUL
|| VIM_ISDIGIT(*s
))
10436 EMSG2(_(e_invarg2
), s
);
10437 /* Don't check an autoload name for existence here. */
10438 else if (vim_strchr(s
, AUTOLOAD_CHAR
) == NULL
&& !function_exists(s
))
10439 EMSG2(_("E700: Unknown function: %s"), s
);
10442 rettv
->vval
.v_string
= vim_strsave(s
);
10443 rettv
->v_type
= VAR_FUNC
;
10448 * "garbagecollect()" function
10451 f_garbagecollect(argvars
, rettv
)
10453 typval_T
*rettv UNUSED
;
10455 /* This is postponed until we are back at the toplevel, because we may be
10456 * using Lists and Dicts internally. E.g.: ":echo [garbagecollect()]". */
10457 want_garbage_collect
= TRUE
;
10459 if (argvars
[0].v_type
!= VAR_UNKNOWN
&& get_tv_number(&argvars
[0]) == 1)
10460 garbage_collect_at_exit
= TRUE
;
10467 f_get(argvars
, rettv
)
10475 typval_T
*tv
= NULL
;
10477 if (argvars
[0].v_type
== VAR_LIST
)
10479 if ((l
= argvars
[0].vval
.v_list
) != NULL
)
10483 li
= list_find(l
, get_tv_number_chk(&argvars
[1], &error
));
10484 if (!error
&& li
!= NULL
)
10488 else if (argvars
[0].v_type
== VAR_DICT
)
10490 if ((d
= argvars
[0].vval
.v_dict
) != NULL
)
10492 di
= dict_find(d
, get_tv_string(&argvars
[1]), -1);
10498 EMSG2(_(e_listdictarg
), "get()");
10502 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
10503 copy_tv(&argvars
[2], rettv
);
10506 copy_tv(tv
, rettv
);
10509 static void get_buffer_lines
__ARGS((buf_T
*buf
, linenr_T start
, linenr_T end
, int retlist
, typval_T
*rettv
));
10512 * Get line or list of lines from buffer "buf" into "rettv".
10513 * Return a range (from start to end) of lines in rettv from the specified
10515 * If 'retlist' is TRUE, then the lines are returned as a Vim List.
10518 get_buffer_lines(buf
, start
, end
, retlist
, rettv
)
10527 if (retlist
&& rettv_list_alloc(rettv
) == FAIL
)
10530 if (buf
== NULL
|| buf
->b_ml
.ml_mfp
== NULL
|| start
< 0)
10535 if (start
>= 1 && start
<= buf
->b_ml
.ml_line_count
)
10536 p
= ml_get_buf(buf
, start
, FALSE
);
10540 rettv
->v_type
= VAR_STRING
;
10541 rettv
->vval
.v_string
= vim_strsave(p
);
10550 if (end
> buf
->b_ml
.ml_line_count
)
10551 end
= buf
->b_ml
.ml_line_count
;
10552 while (start
<= end
)
10553 if (list_append_string(rettv
->vval
.v_list
,
10554 ml_get_buf(buf
, start
++, FALSE
), -1) == FAIL
)
10560 * "getbufline()" function
10563 f_getbufline(argvars
, rettv
)
10571 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
10573 buf
= get_buf_tv(&argvars
[0]);
10576 lnum
= get_tv_lnum_buf(&argvars
[1], buf
);
10577 if (argvars
[2].v_type
== VAR_UNKNOWN
)
10580 end
= get_tv_lnum_buf(&argvars
[2], buf
);
10582 get_buffer_lines(buf
, lnum
, end
, TRUE
, rettv
);
10586 * "getbufvar()" function
10589 f_getbufvar(argvars
, rettv
)
10594 buf_T
*save_curbuf
;
10598 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
10599 varname
= get_tv_string_chk(&argvars
[1]);
10601 buf
= get_buf_tv(&argvars
[0]);
10603 rettv
->v_type
= VAR_STRING
;
10604 rettv
->vval
.v_string
= NULL
;
10606 if (buf
!= NULL
&& varname
!= NULL
)
10608 /* set curbuf to be our buf, temporarily */
10609 save_curbuf
= curbuf
;
10612 if (*varname
== '&') /* buffer-local-option */
10613 get_option_tv(&varname
, rettv
, TRUE
);
10616 if (*varname
== NUL
)
10617 /* let getbufvar({nr}, "") return the "b:" dictionary. The
10618 * scope prefix before the NUL byte is required by
10619 * find_var_in_ht(). */
10620 varname
= (char_u
*)"b:" + 2;
10621 /* look up the variable */
10622 v
= find_var_in_ht(&curbuf
->b_vars
.dv_hashtab
, varname
, FALSE
);
10624 copy_tv(&v
->di_tv
, rettv
);
10627 /* restore previous notion of curbuf */
10628 curbuf
= save_curbuf
;
10635 * "getchar()" function
10638 f_getchar(argvars
, rettv
)
10645 /* Position the cursor. Needed after a message that ends in a space. */
10646 windgoto(msg_row
, msg_col
);
10652 if (argvars
[0].v_type
== VAR_UNKNOWN
)
10653 /* getchar(): blocking wait. */
10655 else if (get_tv_number_chk(&argvars
[0], &error
) == 1)
10656 /* getchar(1): only check if char avail */
10658 else if (error
|| vpeekc() == NUL
)
10659 /* illegal argument or getchar(0) and no char avail: return zero */
10662 /* getchar(0) and char avail: return char */
10671 vimvars
[VV_MOUSE_WIN
].vv_nr
= 0;
10672 vimvars
[VV_MOUSE_LNUM
].vv_nr
= 0;
10673 vimvars
[VV_MOUSE_COL
].vv_nr
= 0;
10675 rettv
->vval
.v_number
= n
;
10676 if (IS_SPECIAL(n
) || mod_mask
!= 0)
10678 char_u temp
[10]; /* modifier: 3, mbyte-char: 6, NUL: 1 */
10681 /* Turn a special key into three bytes, plus modifier. */
10684 temp
[i
++] = K_SPECIAL
;
10685 temp
[i
++] = KS_MODIFIER
;
10686 temp
[i
++] = mod_mask
;
10690 temp
[i
++] = K_SPECIAL
;
10691 temp
[i
++] = K_SECOND(n
);
10692 temp
[i
++] = K_THIRD(n
);
10695 else if (has_mbyte
)
10696 i
+= (*mb_char2bytes
)(n
, temp
+ i
);
10701 rettv
->v_type
= VAR_STRING
;
10702 rettv
->vval
.v_string
= vim_strsave(temp
);
10705 if (n
== K_LEFTMOUSE
10706 || n
== K_LEFTMOUSE_NM
10708 || n
== K_LEFTRELEASE
10709 || n
== K_LEFTRELEASE_NM
10710 || n
== K_MIDDLEMOUSE
10711 || n
== K_MIDDLEDRAG
10712 || n
== K_MIDDLERELEASE
10713 || n
== K_RIGHTMOUSE
10714 || n
== K_RIGHTDRAG
10715 || n
== K_RIGHTRELEASE
10718 || n
== K_X1RELEASE
10721 || n
== K_X2RELEASE
10722 || n
== K_MOUSEDOWN
10725 int row
= mouse_row
;
10726 int col
= mouse_col
;
10729 # ifdef FEAT_WINDOWS
10734 if (row
>= 0 && col
>= 0)
10736 /* Find the window at the mouse coordinates and compute the
10737 * text position. */
10738 win
= mouse_find_win(&row
, &col
);
10739 (void)mouse_comp_pos(win
, &row
, &col
, &lnum
);
10740 # ifdef FEAT_WINDOWS
10741 for (wp
= firstwin
; wp
!= win
; wp
= wp
->w_next
)
10744 vimvars
[VV_MOUSE_WIN
].vv_nr
= winnr
;
10745 vimvars
[VV_MOUSE_LNUM
].vv_nr
= lnum
;
10746 vimvars
[VV_MOUSE_COL
].vv_nr
= col
+ 1;
10754 * "getcharmod()" function
10757 f_getcharmod(argvars
, rettv
)
10758 typval_T
*argvars UNUSED
;
10761 rettv
->vval
.v_number
= mod_mask
;
10765 * "getcmdline()" function
10768 f_getcmdline(argvars
, rettv
)
10769 typval_T
*argvars UNUSED
;
10772 rettv
->v_type
= VAR_STRING
;
10773 rettv
->vval
.v_string
= get_cmdline_str();
10777 * "getcmdpos()" function
10780 f_getcmdpos(argvars
, rettv
)
10781 typval_T
*argvars UNUSED
;
10784 rettv
->vval
.v_number
= get_cmdline_pos() + 1;
10788 * "getcmdtype()" function
10791 f_getcmdtype(argvars
, rettv
)
10792 typval_T
*argvars UNUSED
;
10795 rettv
->v_type
= VAR_STRING
;
10796 rettv
->vval
.v_string
= alloc(2);
10797 if (rettv
->vval
.v_string
!= NULL
)
10799 rettv
->vval
.v_string
[0] = get_cmdline_type();
10800 rettv
->vval
.v_string
[1] = NUL
;
10805 * "getcwd()" function
10808 f_getcwd(argvars
, rettv
)
10809 typval_T
*argvars UNUSED
;
10812 char_u cwd
[MAXPATHL
];
10814 rettv
->v_type
= VAR_STRING
;
10815 if (mch_dirname(cwd
, MAXPATHL
) == FAIL
)
10816 rettv
->vval
.v_string
= NULL
;
10819 rettv
->vval
.v_string
= vim_strsave(cwd
);
10820 #ifdef BACKSLASH_IN_FILENAME
10821 if (rettv
->vval
.v_string
!= NULL
)
10822 slash_adjust(rettv
->vval
.v_string
);
10828 * "getfontname()" function
10831 f_getfontname(argvars
, rettv
)
10832 typval_T
*argvars UNUSED
;
10835 rettv
->v_type
= VAR_STRING
;
10836 rettv
->vval
.v_string
= NULL
;
10841 char_u
*name
= NULL
;
10843 if (argvars
[0].v_type
== VAR_UNKNOWN
)
10845 /* Get the "Normal" font. Either the name saved by
10846 * hl_set_font_name() or from the font ID. */
10847 font
= gui
.norm_font
;
10848 name
= hl_get_font_name();
10852 name
= get_tv_string(&argvars
[0]);
10853 if (STRCMP(name
, "*") == 0) /* don't use font dialog */
10855 font
= gui_mch_get_font(name
, FALSE
);
10856 if (font
== NOFONT
)
10857 return; /* Invalid font name, return empty string. */
10859 rettv
->vval
.v_string
= gui_mch_get_fontname(font
, name
);
10860 if (argvars
[0].v_type
!= VAR_UNKNOWN
)
10861 gui_mch_free_font(font
);
10867 * "getfperm({fname})" function
10870 f_getfperm(argvars
, rettv
)
10876 char_u
*perm
= NULL
;
10877 char_u flags
[] = "rwx";
10880 fname
= get_tv_string(&argvars
[0]);
10882 rettv
->v_type
= VAR_STRING
;
10883 if (mch_stat((char *)fname
, &st
) >= 0)
10885 perm
= vim_strsave((char_u
*)"---------");
10888 for (i
= 0; i
< 9; i
++)
10890 if (st
.st_mode
& (1 << (8 - i
)))
10891 perm
[i
] = flags
[i
% 3];
10895 rettv
->vval
.v_string
= perm
;
10899 * "getfsize({fname})" function
10902 f_getfsize(argvars
, rettv
)
10909 fname
= get_tv_string(&argvars
[0]);
10911 rettv
->v_type
= VAR_NUMBER
;
10913 if (mch_stat((char *)fname
, &st
) >= 0)
10915 if (mch_isdir(fname
))
10916 rettv
->vval
.v_number
= 0;
10919 rettv
->vval
.v_number
= (varnumber_T
)st
.st_size
;
10921 /* non-perfect check for overflow */
10922 if ((off_t
)rettv
->vval
.v_number
!= (off_t
)st
.st_size
)
10923 rettv
->vval
.v_number
= -2;
10927 rettv
->vval
.v_number
= -1;
10931 * "getftime({fname})" function
10934 f_getftime(argvars
, rettv
)
10941 fname
= get_tv_string(&argvars
[0]);
10943 if (mch_stat((char *)fname
, &st
) >= 0)
10944 rettv
->vval
.v_number
= (varnumber_T
)st
.st_mtime
;
10946 rettv
->vval
.v_number
= -1;
10950 * "getftype({fname})" function
10953 f_getftype(argvars
, rettv
)
10959 char_u
*type
= NULL
;
10962 fname
= get_tv_string(&argvars
[0]);
10964 rettv
->v_type
= VAR_STRING
;
10965 if (mch_lstat((char *)fname
, &st
) >= 0)
10968 if (S_ISREG(st
.st_mode
))
10970 else if (S_ISDIR(st
.st_mode
))
10973 else if (S_ISLNK(st
.st_mode
))
10977 else if (S_ISBLK(st
.st_mode
))
10981 else if (S_ISCHR(st
.st_mode
))
10985 else if (S_ISFIFO(st
.st_mode
))
10989 else if (S_ISSOCK(st
.st_mode
))
10996 switch (st
.st_mode
& S_IFMT
)
10998 case S_IFREG
: t
= "file"; break;
10999 case S_IFDIR
: t
= "dir"; break;
11001 case S_IFLNK
: t
= "link"; break;
11004 case S_IFBLK
: t
= "bdev"; break;
11007 case S_IFCHR
: t
= "cdev"; break;
11010 case S_IFIFO
: t
= "fifo"; break;
11013 case S_IFSOCK
: t
= "socket"; break;
11015 default: t
= "other";
11018 if (mch_isdir(fname
))
11024 type
= vim_strsave((char_u
*)t
);
11026 rettv
->vval
.v_string
= type
;
11030 * "getline(lnum, [end])" function
11033 f_getline(argvars
, rettv
)
11041 lnum
= get_tv_lnum(argvars
);
11042 if (argvars
[1].v_type
== VAR_UNKNOWN
)
11049 end
= get_tv_lnum(&argvars
[1]);
11053 get_buffer_lines(curbuf
, lnum
, end
, retlist
, rettv
);
11057 * "getmatches()" function
11060 f_getmatches(argvars
, rettv
)
11061 typval_T
*argvars UNUSED
;
11064 #ifdef FEAT_SEARCH_EXTRA
11066 matchitem_T
*cur
= curwin
->w_match_head
;
11068 if (rettv_list_alloc(rettv
) == OK
)
11070 while (cur
!= NULL
)
11072 dict
= dict_alloc();
11075 dict_add_nr_str(dict
, "group", 0L, syn_id2name(cur
->hlg_id
));
11076 dict_add_nr_str(dict
, "pattern", 0L, cur
->pattern
);
11077 dict_add_nr_str(dict
, "priority", (long)cur
->priority
, NULL
);
11078 dict_add_nr_str(dict
, "id", (long)cur
->id
, NULL
);
11079 list_append_dict(rettv
->vval
.v_list
, dict
);
11087 * "getpid()" function
11090 f_getpid(argvars
, rettv
)
11091 typval_T
*argvars UNUSED
;
11094 rettv
->vval
.v_number
= mch_get_pid();
11098 * "getpos(string)" function
11101 f_getpos(argvars
, rettv
)
11109 if (rettv_list_alloc(rettv
) == OK
)
11111 l
= rettv
->vval
.v_list
;
11112 fp
= var2fpos(&argvars
[0], TRUE
, &fnum
);
11114 list_append_number(l
, (varnumber_T
)fnum
);
11116 list_append_number(l
, (varnumber_T
)0);
11117 list_append_number(l
, (fp
!= NULL
) ? (varnumber_T
)fp
->lnum
11119 list_append_number(l
, (fp
!= NULL
)
11120 ? (varnumber_T
)(fp
->col
== MAXCOL
? MAXCOL
: fp
->col
+ 1)
11122 list_append_number(l
,
11123 #ifdef FEAT_VIRTUALEDIT
11124 (fp
!= NULL
) ? (varnumber_T
)fp
->coladd
:
11129 rettv
->vval
.v_number
= FALSE
;
11133 * "getqflist()" and "getloclist()" functions
11136 f_getqflist(argvars
, rettv
)
11137 typval_T
*argvars UNUSED
;
11138 typval_T
*rettv UNUSED
;
11140 #ifdef FEAT_QUICKFIX
11144 #ifdef FEAT_QUICKFIX
11145 if (rettv_list_alloc(rettv
) == OK
)
11148 if (argvars
[0].v_type
!= VAR_UNKNOWN
) /* getloclist() */
11150 wp
= find_win_by_nr(&argvars
[0], NULL
);
11155 (void)get_errorlist(wp
, rettv
->vval
.v_list
);
11161 * "getreg()" function
11164 f_getreg(argvars
, rettv
)
11168 char_u
*strregname
;
11173 if (argvars
[0].v_type
!= VAR_UNKNOWN
)
11175 strregname
= get_tv_string_chk(&argvars
[0]);
11176 error
= strregname
== NULL
;
11177 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
11178 arg2
= get_tv_number_chk(&argvars
[1], &error
);
11181 strregname
= vimvars
[VV_REG
].vv_str
;
11182 regname
= (strregname
== NULL
? '"' : *strregname
);
11186 rettv
->v_type
= VAR_STRING
;
11187 rettv
->vval
.v_string
= error
? NULL
:
11188 get_reg_contents(regname
, TRUE
, arg2
);
11192 * "getregtype()" function
11195 f_getregtype(argvars
, rettv
)
11199 char_u
*strregname
;
11201 char_u buf
[NUMBUFLEN
+ 2];
11204 if (argvars
[0].v_type
!= VAR_UNKNOWN
)
11206 strregname
= get_tv_string_chk(&argvars
[0]);
11207 if (strregname
== NULL
) /* type error; errmsg already given */
11209 rettv
->v_type
= VAR_STRING
;
11210 rettv
->vval
.v_string
= NULL
;
11215 /* Default to v:register */
11216 strregname
= vimvars
[VV_REG
].vv_str
;
11218 regname
= (strregname
== NULL
? '"' : *strregname
);
11224 switch (get_reg_type(regname
, ®len
))
11226 case MLINE
: buf
[0] = 'V'; break;
11227 case MCHAR
: buf
[0] = 'v'; break;
11231 sprintf((char *)buf
+ 1, "%ld", reglen
+ 1);
11235 rettv
->v_type
= VAR_STRING
;
11236 rettv
->vval
.v_string
= vim_strsave(buf
);
11240 * "gettabwinvar()" function
11243 f_gettabwinvar(argvars
, rettv
)
11247 getwinvar(argvars
, rettv
, 1);
11251 * "getwinposx()" function
11254 f_getwinposx(argvars
, rettv
)
11255 typval_T
*argvars UNUSED
;
11258 rettv
->vval
.v_number
= -1;
11264 if (gui_mch_get_winpos(&x
, &y
) == OK
)
11265 rettv
->vval
.v_number
= x
;
11271 * "getwinposy()" function
11274 f_getwinposy(argvars
, rettv
)
11275 typval_T
*argvars UNUSED
;
11278 rettv
->vval
.v_number
= -1;
11284 if (gui_mch_get_winpos(&x
, &y
) == OK
)
11285 rettv
->vval
.v_number
= y
;
11291 * Find window specified by "vp" in tabpage "tp".
11294 find_win_by_nr(vp
, tp
)
11296 tabpage_T
*tp
; /* NULL for current tab page */
11298 #ifdef FEAT_WINDOWS
11303 nr
= get_tv_number_chk(vp
, NULL
);
11305 #ifdef FEAT_WINDOWS
11311 for (wp
= (tp
== NULL
|| tp
== curtab
) ? firstwin
: tp
->tp_firstwin
;
11312 wp
!= NULL
; wp
= wp
->w_next
)
11317 if (nr
== 0 || nr
== 1)
11324 * "getwinvar()" function
11327 f_getwinvar(argvars
, rettv
)
11331 getwinvar(argvars
, rettv
, 0);
11335 * getwinvar() and gettabwinvar()
11338 getwinvar(argvars
, rettv
, off
)
11341 int off
; /* 1 for gettabwinvar() */
11343 win_T
*win
, *oldcurwin
;
11348 #ifdef FEAT_WINDOWS
11350 tp
= find_tabpage((int)get_tv_number_chk(&argvars
[0], NULL
));
11354 win
= find_win_by_nr(&argvars
[off
], tp
);
11355 varname
= get_tv_string_chk(&argvars
[off
+ 1]);
11358 rettv
->v_type
= VAR_STRING
;
11359 rettv
->vval
.v_string
= NULL
;
11361 if (win
!= NULL
&& varname
!= NULL
)
11363 /* Set curwin to be our win, temporarily. Also set curbuf, so
11364 * that we can get buffer-local options. */
11365 oldcurwin
= curwin
;
11367 curbuf
= win
->w_buffer
;
11369 if (*varname
== '&') /* window-local-option */
11370 get_option_tv(&varname
, rettv
, 1);
11373 if (*varname
== NUL
)
11374 /* let getwinvar({nr}, "") return the "w:" dictionary. The
11375 * scope prefix before the NUL byte is required by
11376 * find_var_in_ht(). */
11377 varname
= (char_u
*)"w:" + 2;
11378 /* look up the variable */
11379 v
= find_var_in_ht(&win
->w_vars
.dv_hashtab
, varname
, FALSE
);
11381 copy_tv(&v
->di_tv
, rettv
);
11384 /* restore previous notion of curwin */
11385 curwin
= oldcurwin
;
11386 curbuf
= curwin
->w_buffer
;
11393 * "glob()" function
11396 f_glob(argvars
, rettv
)
11400 int flags
= WILD_SILENT
|WILD_USE_NL
;
11404 /* When the optional second argument is non-zero, don't remove matches
11405 * for 'wildignore' and don't put matches for 'suffixes' at the end. */
11406 if (argvars
[1].v_type
!= VAR_UNKNOWN
11407 && get_tv_number_chk(&argvars
[1], &error
))
11408 flags
|= WILD_KEEP_ALL
;
11409 rettv
->v_type
= VAR_STRING
;
11413 xpc
.xp_context
= EXPAND_FILES
;
11414 rettv
->vval
.v_string
= ExpandOne(&xpc
, get_tv_string(&argvars
[0]),
11415 NULL
, flags
, WILD_ALL
);
11418 rettv
->vval
.v_string
= NULL
;
11422 * "globpath()" function
11425 f_globpath(argvars
, rettv
)
11430 char_u buf1
[NUMBUFLEN
];
11431 char_u
*file
= get_tv_string_buf_chk(&argvars
[1], buf1
);
11434 /* When the optional second argument is non-zero, don't remove matches
11435 * for 'wildignore' and don't put matches for 'suffixes' at the end. */
11436 if (argvars
[2].v_type
!= VAR_UNKNOWN
11437 && get_tv_number_chk(&argvars
[2], &error
))
11438 flags
|= WILD_KEEP_ALL
;
11439 rettv
->v_type
= VAR_STRING
;
11440 if (file
== NULL
|| error
)
11441 rettv
->vval
.v_string
= NULL
;
11443 rettv
->vval
.v_string
= globpath(get_tv_string(&argvars
[0]), file
,
11451 f_has(argvars
, rettv
)
11458 static char *(has_list
[]) =
11479 #if defined(MACOS_X_UNIX)
11503 #if defined(UNIX) && (defined(__CYGWIN32__) || defined(__CYGWIN__))
11506 #if defined(WIN64) || defined(_WIN64)
11512 #ifndef CASE_INSENSITIVE_FILENAME
11518 #ifdef FEAT_AUTOCMD
11523 # ifndef FEAT_GUI_W32 /* other GUIs always have multiline balloons */
11524 "balloon_multiline",
11527 #if defined(SOME_BUILTIN_TCAPS) || defined(ALL_BUILTIN_TCAPS)
11529 # ifdef ALL_BUILTIN_TCAPS
11530 "all_builtin_terms",
11533 #ifdef FEAT_BYTEOFF
11536 #ifdef FEAT_CINDENT
11539 #ifdef FEAT_CLIENTSERVER
11542 #ifdef FEAT_CLIPBOARD
11545 #ifdef FEAT_CMDL_COMPL
11548 #ifdef FEAT_CMDHIST
11551 #ifdef FEAT_COMMENTS
11560 #ifdef CURSOR_SHAPE
11566 #ifdef FEAT_CON_DIALOG
11569 #ifdef FEAT_GUI_DIALOG
11575 #ifdef FEAT_DIGRAPHS
11581 #ifdef FEAT_EMACS_TAGS
11584 "eval", /* always present, of course! */
11585 #ifdef FEAT_EX_EXTRA
11588 #ifdef FEAT_SEARCH_EXTRA
11594 #ifdef FEAT_SEARCHPATH
11597 #if defined(UNIX) && !defined(USE_SYSTEM)
11600 #ifdef FEAT_FIND_ID
11606 #ifdef FEAT_FOLDING
11612 #if !defined(USE_SYSTEM) && defined(UNIX)
11615 #ifdef FEAT_GETTEXT
11621 #ifdef FEAT_GUI_ATHENA
11622 # ifdef FEAT_GUI_NEXTAW
11628 #ifdef FEAT_GUI_GTK
11634 #ifdef FEAT_GUI_GNOME
11637 #ifdef FEAT_GUI_MAC
11640 #ifdef FEAT_GUI_MOTIF
11643 #ifdef FEAT_GUI_PHOTON
11646 #ifdef FEAT_GUI_W16
11649 #ifdef FEAT_GUI_W32
11652 #ifdef FEAT_HANGULIN
11655 #if defined(HAVE_ICONV_H) && defined(USE_ICONV)
11658 #ifdef FEAT_INS_EXPAND
11661 #ifdef FEAT_JUMPLIST
11667 #ifdef FEAT_LANGMAP
11670 #ifdef FEAT_LIBCALL
11673 #ifdef FEAT_LINEBREAK
11679 #ifdef FEAT_LISTCMDS
11682 #ifdef FEAT_LOCALMAP
11688 #ifdef FEAT_SESSION
11691 #ifdef FEAT_MODIFY_FNAME
11697 #ifdef FEAT_MOUSESHAPE
11700 #if defined(UNIX) || defined(VMS)
11701 # ifdef FEAT_MOUSE_DEC
11704 # ifdef FEAT_MOUSE_GPM
11707 # ifdef FEAT_MOUSE_JSB
11710 # ifdef FEAT_MOUSE_NET
11713 # ifdef FEAT_MOUSE_PTERM
11716 # ifdef FEAT_SYSMOUSE
11719 # ifdef FEAT_MOUSE_XTERM
11726 #ifdef FEAT_MBYTE_IME
11729 #ifdef FEAT_MULTI_LANG
11732 #ifdef FEAT_MZSCHEME
11733 #ifndef DYNAMIC_MZSCHEME
11740 #ifdef FEAT_OSFILETYPE
11743 #ifdef FEAT_PATH_EXTRA
11747 #ifndef DYNAMIC_PERL
11752 #ifndef DYNAMIC_PYTHON
11756 #ifdef FEAT_POSTSCRIPT
11759 #ifdef FEAT_PRINTER
11762 #ifdef FEAT_PROFILE
11765 #ifdef FEAT_RELTIME
11768 #ifdef FEAT_QUICKFIX
11771 #ifdef FEAT_RIGHTLEFT
11774 #if defined(FEAT_RUBY) && !defined(DYNAMIC_RUBY)
11777 #ifdef FEAT_SCROLLBIND
11780 #ifdef FEAT_CMDL_INFO
11787 #ifdef FEAT_SMARTINDENT
11796 #ifdef FEAT_STL_OPT
11799 #ifdef FEAT_SUN_WORKSHOP
11802 #ifdef FEAT_NETBEANS_INTG
11811 #if defined(USE_SYSTEM) || !defined(UNIX)
11814 #ifdef FEAT_TAG_BINS
11817 #ifdef FEAT_TAG_OLDSTATIC
11820 #ifdef FEAT_TAG_ANYWHITE
11824 # ifndef DYNAMIC_TCL
11831 #ifdef FEAT_TERMRESPONSE
11834 #ifdef FEAT_TEXTOBJ
11837 #ifdef HAVE_TGETENT
11843 #ifdef FEAT_TOOLBAR
11846 #ifdef FEAT_USR_CMDS
11847 "user-commands", /* was accidentally included in 5.4 */
11850 #ifdef FEAT_VIMINFO
11853 #ifdef FEAT_VERTSPLIT
11856 #ifdef FEAT_VIRTUALEDIT
11862 #ifdef FEAT_VISUALEXTRA
11865 #ifdef FEAT_VREPLACE
11868 #ifdef FEAT_WILDIGN
11871 #ifdef FEAT_WILDMENU
11874 #ifdef FEAT_WINDOWS
11880 #ifdef FEAT_WRITEBACKUP
11886 #ifdef FEAT_XFONTSET
11892 #ifdef USE_XSMP_INTERACT
11895 #ifdef FEAT_XCLIPBOARD
11898 #ifdef FEAT_XTERM_SAVE
11901 #if defined(UNIX) && defined(FEAT_X11)
11907 name
= get_tv_string(&argvars
[0]);
11908 for (i
= 0; has_list
[i
] != NULL
; ++i
)
11909 if (STRICMP(name
, has_list
[i
]) == 0)
11917 if (STRNICMP(name
, "patch", 5) == 0)
11918 n
= has_patch(atoi((char *)name
+ 5));
11919 else if (STRICMP(name
, "vim_starting") == 0)
11920 n
= (starting
!= 0);
11922 else if (STRICMP(name
, "multi_byte_encoding") == 0)
11925 #if defined(FEAT_BEVAL) && defined(FEAT_GUI_W32)
11926 else if (STRICMP(name
, "balloon_multiline") == 0)
11927 n
= multiline_balloon_available();
11930 else if (STRICMP(name
, "tcl") == 0)
11931 n
= tcl_enabled(FALSE
);
11933 #if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
11934 else if (STRICMP(name
, "iconv") == 0)
11935 n
= iconv_enabled(FALSE
);
11937 #ifdef DYNAMIC_MZSCHEME
11938 else if (STRICMP(name
, "mzscheme") == 0)
11939 n
= mzscheme_enabled(FALSE
);
11941 #ifdef DYNAMIC_RUBY
11942 else if (STRICMP(name
, "ruby") == 0)
11943 n
= ruby_enabled(FALSE
);
11945 #ifdef DYNAMIC_PYTHON
11946 else if (STRICMP(name
, "python") == 0)
11947 n
= python_enabled(FALSE
);
11949 #ifdef DYNAMIC_PERL
11950 else if (STRICMP(name
, "perl") == 0)
11951 n
= perl_enabled(FALSE
);
11954 else if (STRICMP(name
, "gui_running") == 0)
11955 n
= (gui
.in_use
|| gui
.starting
);
11956 # ifdef FEAT_GUI_W32
11957 else if (STRICMP(name
, "gui_win32s") == 0)
11958 n
= gui_is_win32s();
11960 # ifdef FEAT_BROWSE
11961 else if (STRICMP(name
, "browse") == 0)
11962 n
= gui
.in_use
; /* gui_mch_browse() works when GUI is running */
11966 else if (STRICMP(name
, "syntax_items") == 0)
11967 n
= syntax_present(curbuf
);
11969 #if defined(WIN3264)
11970 else if (STRICMP(name
, "win95") == 0)
11971 n
= mch_windows95();
11973 #ifdef FEAT_NETBEANS_INTG
11974 else if (STRICMP(name
, "netbeans_enabled") == 0)
11979 rettv
->vval
.v_number
= n
;
11983 * "has_key()" function
11986 f_has_key(argvars
, rettv
)
11990 if (argvars
[0].v_type
!= VAR_DICT
)
11992 EMSG(_(e_dictreq
));
11995 if (argvars
[0].vval
.v_dict
== NULL
)
11998 rettv
->vval
.v_number
= dict_find(argvars
[0].vval
.v_dict
,
11999 get_tv_string(&argvars
[1]), -1) != NULL
;
12003 * "haslocaldir()" function
12006 f_haslocaldir(argvars
, rettv
)
12007 typval_T
*argvars UNUSED
;
12010 rettv
->vval
.v_number
= (curwin
->w_localdir
!= NULL
);
12014 * "hasmapto()" function
12017 f_hasmapto(argvars
, rettv
)
12023 char_u buf
[NUMBUFLEN
];
12026 name
= get_tv_string(&argvars
[0]);
12027 if (argvars
[1].v_type
== VAR_UNKNOWN
)
12028 mode
= (char_u
*)"nvo";
12031 mode
= get_tv_string_buf(&argvars
[1], buf
);
12032 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
12033 abbr
= get_tv_number(&argvars
[2]);
12036 if (map_to_exists(name
, mode
, abbr
))
12037 rettv
->vval
.v_number
= TRUE
;
12039 rettv
->vval
.v_number
= FALSE
;
12043 * "histadd()" function
12046 f_histadd(argvars
, rettv
)
12047 typval_T
*argvars UNUSED
;
12050 #ifdef FEAT_CMDHIST
12053 char_u buf
[NUMBUFLEN
];
12056 rettv
->vval
.v_number
= FALSE
;
12057 if (check_restricted() || check_secure())
12059 #ifdef FEAT_CMDHIST
12060 str
= get_tv_string_chk(&argvars
[0]); /* NULL on type error */
12061 histype
= str
!= NULL
? get_histtype(str
) : -1;
12064 str
= get_tv_string_buf(&argvars
[1], buf
);
12068 add_to_history(histype
, str
, FALSE
, NUL
);
12069 rettv
->vval
.v_number
= TRUE
;
12077 * "histdel()" function
12080 f_histdel(argvars
, rettv
)
12081 typval_T
*argvars UNUSED
;
12082 typval_T
*rettv UNUSED
;
12084 #ifdef FEAT_CMDHIST
12086 char_u buf
[NUMBUFLEN
];
12089 str
= get_tv_string_chk(&argvars
[0]); /* NULL on type error */
12092 else if (argvars
[1].v_type
== VAR_UNKNOWN
)
12093 /* only one argument: clear entire history */
12094 n
= clr_history(get_histtype(str
));
12095 else if (argvars
[1].v_type
== VAR_NUMBER
)
12096 /* index given: remove that entry */
12097 n
= del_history_idx(get_histtype(str
),
12098 (int)get_tv_number(&argvars
[1]));
12100 /* string given: remove all matching entries */
12101 n
= del_history_entry(get_histtype(str
),
12102 get_tv_string_buf(&argvars
[1], buf
));
12103 rettv
->vval
.v_number
= n
;
12108 * "histget()" function
12111 f_histget(argvars
, rettv
)
12112 typval_T
*argvars UNUSED
;
12115 #ifdef FEAT_CMDHIST
12120 str
= get_tv_string_chk(&argvars
[0]); /* NULL on type error */
12122 rettv
->vval
.v_string
= NULL
;
12125 type
= get_histtype(str
);
12126 if (argvars
[1].v_type
== VAR_UNKNOWN
)
12127 idx
= get_history_idx(type
);
12129 idx
= (int)get_tv_number_chk(&argvars
[1], NULL
);
12130 /* -1 on type error */
12131 rettv
->vval
.v_string
= vim_strsave(get_history_entry(type
, idx
));
12134 rettv
->vval
.v_string
= NULL
;
12136 rettv
->v_type
= VAR_STRING
;
12140 * "histnr()" function
12143 f_histnr(argvars
, rettv
)
12144 typval_T
*argvars UNUSED
;
12149 #ifdef FEAT_CMDHIST
12150 char_u
*history
= get_tv_string_chk(&argvars
[0]);
12152 i
= history
== NULL
? HIST_CMD
- 1 : get_histtype(history
);
12153 if (i
>= HIST_CMD
&& i
< HIST_COUNT
)
12154 i
= get_history_idx(i
);
12158 rettv
->vval
.v_number
= i
;
12162 * "highlightID(name)" function
12165 f_hlID(argvars
, rettv
)
12169 rettv
->vval
.v_number
= syn_name2id(get_tv_string(&argvars
[0]));
12173 * "highlight_exists()" function
12176 f_hlexists(argvars
, rettv
)
12180 rettv
->vval
.v_number
= highlight_exists(get_tv_string(&argvars
[0]));
12184 * "hostname()" function
12187 f_hostname(argvars
, rettv
)
12188 typval_T
*argvars UNUSED
;
12191 char_u hostname
[256];
12193 mch_get_host_name(hostname
, 256);
12194 rettv
->v_type
= VAR_STRING
;
12195 rettv
->vval
.v_string
= vim_strsave(hostname
);
12202 f_iconv(argvars
, rettv
)
12203 typval_T
*argvars UNUSED
;
12207 char_u buf1
[NUMBUFLEN
];
12208 char_u buf2
[NUMBUFLEN
];
12209 char_u
*from
, *to
, *str
;
12213 rettv
->v_type
= VAR_STRING
;
12214 rettv
->vval
.v_string
= NULL
;
12217 str
= get_tv_string(&argvars
[0]);
12218 from
= enc_canonize(enc_skip(get_tv_string_buf(&argvars
[1], buf1
)));
12219 to
= enc_canonize(enc_skip(get_tv_string_buf(&argvars
[2], buf2
)));
12220 vimconv
.vc_type
= CONV_NONE
;
12221 convert_setup(&vimconv
, from
, to
);
12223 /* If the encodings are equal, no conversion needed. */
12224 if (vimconv
.vc_type
== CONV_NONE
)
12225 rettv
->vval
.v_string
= vim_strsave(str
);
12227 rettv
->vval
.v_string
= string_convert(&vimconv
, str
, NULL
);
12229 convert_setup(&vimconv
, NULL
, NULL
);
12236 * "indent()" function
12239 f_indent(argvars
, rettv
)
12245 lnum
= get_tv_lnum(argvars
);
12246 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
)
12247 rettv
->vval
.v_number
= get_indent_lnum(lnum
);
12249 rettv
->vval
.v_number
= -1;
12253 * "index()" function
12256 f_index(argvars
, rettv
)
12265 rettv
->vval
.v_number
= -1;
12266 if (argvars
[0].v_type
!= VAR_LIST
)
12268 EMSG(_(e_listreq
));
12271 l
= argvars
[0].vval
.v_list
;
12274 item
= l
->lv_first
;
12275 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
12279 /* Start at specified item. Use the cached index that list_find()
12280 * sets, so that a negative number also works. */
12281 item
= list_find(l
, get_tv_number_chk(&argvars
[2], &error
));
12283 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
12284 ic
= get_tv_number_chk(&argvars
[3], &error
);
12289 for ( ; item
!= NULL
; item
= item
->li_next
, ++idx
)
12290 if (tv_equal(&item
->li_tv
, &argvars
[1], ic
))
12292 rettv
->vval
.v_number
= idx
;
12298 static int inputsecret_flag
= 0;
12300 static void get_user_input
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int inputdialog
));
12303 * This function is used by f_input() and f_inputdialog() functions. The third
12304 * argument to f_input() specifies the type of completion to use at the
12305 * prompt. The third argument to f_inputdialog() specifies the value to return
12306 * when the user cancels the prompt.
12309 get_user_input(argvars
, rettv
, inputdialog
)
12314 char_u
*prompt
= get_tv_string_chk(&argvars
[0]);
12317 char_u buf
[NUMBUFLEN
];
12318 int cmd_silent_save
= cmd_silent
;
12319 char_u
*defstr
= (char_u
*)"";
12320 int xp_type
= EXPAND_NOTHING
;
12321 char_u
*xp_arg
= NULL
;
12323 rettv
->v_type
= VAR_STRING
;
12324 rettv
->vval
.v_string
= NULL
;
12326 #ifdef NO_CONSOLE_INPUT
12327 /* While starting up, there is no place to enter text. */
12328 if (no_console_input())
12332 cmd_silent
= FALSE
; /* Want to see the prompt. */
12333 if (prompt
!= NULL
)
12335 /* Only the part of the message after the last NL is considered as
12336 * prompt for the command line */
12337 p
= vim_strrchr(prompt
, '\n');
12347 msg_puts_attr(prompt
, echo_attr
);
12348 msg_didout
= FALSE
;
12352 cmdline_row
= msg_row
;
12354 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
12356 defstr
= get_tv_string_buf_chk(&argvars
[1], buf
);
12357 if (defstr
!= NULL
)
12358 stuffReadbuffSpec(defstr
);
12360 if (!inputdialog
&& argvars
[2].v_type
!= VAR_UNKNOWN
)
12366 rettv
->vval
.v_string
= NULL
;
12368 xp_name
= get_tv_string_buf_chk(&argvars
[2], buf
);
12369 if (xp_name
== NULL
)
12372 xp_namelen
= (int)STRLEN(xp_name
);
12374 if (parse_compl_arg(xp_name
, xp_namelen
, &xp_type
, &argt
,
12380 if (defstr
!= NULL
)
12381 rettv
->vval
.v_string
=
12382 getcmdline_prompt(inputsecret_flag
? NUL
: '@', p
, echo_attr
,
12387 /* since the user typed this, no need to wait for return */
12388 need_wait_return
= FALSE
;
12389 msg_didout
= FALSE
;
12391 cmd_silent
= cmd_silent_save
;
12395 * "input()" function
12396 * Also handles inputsecret() when inputsecret is set.
12399 f_input(argvars
, rettv
)
12403 get_user_input(argvars
, rettv
, FALSE
);
12407 * "inputdialog()" function
12410 f_inputdialog(argvars
, rettv
)
12414 #if defined(FEAT_GUI_TEXTDIALOG)
12415 /* Use a GUI dialog if the GUI is running and 'c' is not in 'guioptions' */
12416 if (gui
.in_use
&& vim_strchr(p_go
, GO_CONDIALOG
) == NULL
)
12419 char_u buf
[NUMBUFLEN
];
12420 char_u
*defstr
= (char_u
*)"";
12422 message
= get_tv_string_chk(&argvars
[0]);
12423 if (argvars
[1].v_type
!= VAR_UNKNOWN
12424 && (defstr
= get_tv_string_buf_chk(&argvars
[1], buf
)) != NULL
)
12425 vim_strncpy(IObuff
, defstr
, IOSIZE
- 1);
12428 if (message
!= NULL
&& defstr
!= NULL
12429 && do_dialog(VIM_QUESTION
, NULL
, message
,
12430 (char_u
*)_("&OK\n&Cancel"), 1, IObuff
) == 1)
12431 rettv
->vval
.v_string
= vim_strsave(IObuff
);
12434 if (message
!= NULL
&& defstr
!= NULL
12435 && argvars
[1].v_type
!= VAR_UNKNOWN
12436 && argvars
[2].v_type
!= VAR_UNKNOWN
)
12437 rettv
->vval
.v_string
= vim_strsave(
12438 get_tv_string_buf(&argvars
[2], buf
));
12440 rettv
->vval
.v_string
= NULL
;
12442 rettv
->v_type
= VAR_STRING
;
12446 get_user_input(argvars
, rettv
, TRUE
);
12450 * "inputlist()" function
12453 f_inputlist(argvars
, rettv
)
12461 #ifdef NO_CONSOLE_INPUT
12462 /* While starting up, there is no place to enter text. */
12463 if (no_console_input())
12466 if (argvars
[0].v_type
!= VAR_LIST
|| argvars
[0].vval
.v_list
== NULL
)
12468 EMSG2(_(e_listarg
), "inputlist()");
12473 msg_row
= Rows
- 1; /* for when 'cmdheight' > 1 */
12474 lines_left
= Rows
; /* avoid more prompt */
12478 for (li
= argvars
[0].vval
.v_list
->lv_first
; li
!= NULL
; li
= li
->li_next
)
12480 msg_puts(get_tv_string(&li
->li_tv
));
12484 /* Ask for choice. */
12485 selected
= prompt_for_number(&mouse_used
);
12487 selected
-= lines_left
;
12489 rettv
->vval
.v_number
= selected
;
12493 static garray_T ga_userinput
= {0, 0, sizeof(tasave_T
), 4, NULL
};
12496 * "inputrestore()" function
12499 f_inputrestore(argvars
, rettv
)
12500 typval_T
*argvars UNUSED
;
12503 if (ga_userinput
.ga_len
> 0)
12505 --ga_userinput
.ga_len
;
12506 restore_typeahead((tasave_T
*)(ga_userinput
.ga_data
)
12507 + ga_userinput
.ga_len
);
12508 /* default return is zero == OK */
12510 else if (p_verbose
> 1)
12512 verb_msg((char_u
*)_("called inputrestore() more often than inputsave()"));
12513 rettv
->vval
.v_number
= 1; /* Failed */
12518 * "inputsave()" function
12521 f_inputsave(argvars
, rettv
)
12522 typval_T
*argvars UNUSED
;
12525 /* Add an entry to the stack of typeahead storage. */
12526 if (ga_grow(&ga_userinput
, 1) == OK
)
12528 save_typeahead((tasave_T
*)(ga_userinput
.ga_data
)
12529 + ga_userinput
.ga_len
);
12530 ++ga_userinput
.ga_len
;
12531 /* default return is zero == OK */
12534 rettv
->vval
.v_number
= 1; /* Failed */
12538 * "inputsecret()" function
12541 f_inputsecret(argvars
, rettv
)
12546 ++inputsecret_flag
;
12547 f_input(argvars
, rettv
);
12549 --inputsecret_flag
;
12553 * "insert()" function
12556 f_insert(argvars
, rettv
)
12565 if (argvars
[0].v_type
!= VAR_LIST
)
12566 EMSG2(_(e_listarg
), "insert()");
12567 else if ((l
= argvars
[0].vval
.v_list
) != NULL
12568 && !tv_check_lock(l
->lv_lock
, (char_u
*)"insert()"))
12570 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
12571 before
= get_tv_number_chk(&argvars
[2], &error
);
12573 return; /* type error; errmsg already given */
12575 if (before
== l
->lv_len
)
12579 item
= list_find(l
, before
);
12582 EMSGN(_(e_listidx
), before
);
12588 list_insert_tv(l
, &argvars
[1], item
);
12589 copy_tv(&argvars
[0], rettv
);
12595 * "isdirectory()" function
12598 f_isdirectory(argvars
, rettv
)
12602 rettv
->vval
.v_number
= mch_isdir(get_tv_string(&argvars
[0]));
12606 * "islocked()" function
12609 f_islocked(argvars
, rettv
)
12617 rettv
->vval
.v_number
= -1;
12618 end
= get_lval(get_tv_string(&argvars
[0]), NULL
, &lv
, FALSE
, FALSE
, FALSE
,
12620 if (end
!= NULL
&& lv
.ll_name
!= NULL
)
12623 EMSG(_(e_trailing
));
12626 if (lv
.ll_tv
== NULL
)
12628 if (check_changedtick(lv
.ll_name
))
12629 rettv
->vval
.v_number
= 1; /* always locked */
12632 di
= find_var(lv
.ll_name
, NULL
);
12635 /* Consider a variable locked when:
12636 * 1. the variable itself is locked
12637 * 2. the value of the variable is locked.
12638 * 3. the List or Dict value is locked.
12640 rettv
->vval
.v_number
= ((di
->di_flags
& DI_FLAGS_LOCK
)
12641 || tv_islocked(&di
->di_tv
));
12645 else if (lv
.ll_range
)
12646 EMSG(_("E786: Range not allowed"));
12647 else if (lv
.ll_newkey
!= NULL
)
12648 EMSG2(_(e_dictkey
), lv
.ll_newkey
);
12649 else if (lv
.ll_list
!= NULL
)
12651 rettv
->vval
.v_number
= tv_islocked(&lv
.ll_li
->li_tv
);
12653 /* Dictionary item. */
12654 rettv
->vval
.v_number
= tv_islocked(&lv
.ll_di
->di_tv
);
12661 static void dict_list
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int what
));
12664 * Turn a dict into a list:
12665 * "what" == 0: list of keys
12666 * "what" == 1: list of values
12667 * "what" == 2: list of items
12670 dict_list(argvars
, rettv
, what
)
12683 if (argvars
[0].v_type
!= VAR_DICT
)
12685 EMSG(_(e_dictreq
));
12688 if ((d
= argvars
[0].vval
.v_dict
) == NULL
)
12691 if (rettv_list_alloc(rettv
) == FAIL
)
12694 todo
= (int)d
->dv_hashtab
.ht_used
;
12695 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
12697 if (!HASHITEM_EMPTY(hi
))
12702 li
= listitem_alloc();
12705 list_append(rettv
->vval
.v_list
, li
);
12710 li
->li_tv
.v_type
= VAR_STRING
;
12711 li
->li_tv
.v_lock
= 0;
12712 li
->li_tv
.vval
.v_string
= vim_strsave(di
->di_key
);
12714 else if (what
== 1)
12717 copy_tv(&di
->di_tv
, &li
->li_tv
);
12723 li
->li_tv
.v_type
= VAR_LIST
;
12724 li
->li_tv
.v_lock
= 0;
12725 li
->li_tv
.vval
.v_list
= l2
;
12730 li2
= listitem_alloc();
12733 list_append(l2
, li2
);
12734 li2
->li_tv
.v_type
= VAR_STRING
;
12735 li2
->li_tv
.v_lock
= 0;
12736 li2
->li_tv
.vval
.v_string
= vim_strsave(di
->di_key
);
12738 li2
= listitem_alloc();
12741 list_append(l2
, li2
);
12742 copy_tv(&di
->di_tv
, &li2
->li_tv
);
12749 * "items(dict)" function
12752 f_items(argvars
, rettv
)
12756 dict_list(argvars
, rettv
, 2);
12760 * "join()" function
12763 f_join(argvars
, rettv
)
12770 if (argvars
[0].v_type
!= VAR_LIST
)
12772 EMSG(_(e_listreq
));
12775 if (argvars
[0].vval
.v_list
== NULL
)
12777 if (argvars
[1].v_type
== VAR_UNKNOWN
)
12778 sep
= (char_u
*)" ";
12780 sep
= get_tv_string_chk(&argvars
[1]);
12782 rettv
->v_type
= VAR_STRING
;
12786 ga_init2(&ga
, (int)sizeof(char), 80);
12787 list_join(&ga
, argvars
[0].vval
.v_list
, sep
, TRUE
, 0);
12788 ga_append(&ga
, NUL
);
12789 rettv
->vval
.v_string
= (char_u
*)ga
.ga_data
;
12792 rettv
->vval
.v_string
= NULL
;
12796 * "keys()" function
12799 f_keys(argvars
, rettv
)
12803 dict_list(argvars
, rettv
, 0);
12807 * "last_buffer_nr()" function.
12810 f_last_buffer_nr(argvars
, rettv
)
12811 typval_T
*argvars UNUSED
;
12817 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
12818 if (n
< buf
->b_fnum
)
12821 rettv
->vval
.v_number
= n
;
12828 f_len(argvars
, rettv
)
12832 switch (argvars
[0].v_type
)
12836 rettv
->vval
.v_number
= (varnumber_T
)STRLEN(
12837 get_tv_string(&argvars
[0]));
12840 rettv
->vval
.v_number
= list_len(argvars
[0].vval
.v_list
);
12843 rettv
->vval
.v_number
= dict_len(argvars
[0].vval
.v_dict
);
12846 EMSG(_("E701: Invalid type for len()"));
12851 static void libcall_common
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int type
));
12854 libcall_common(argvars
, rettv
, type
)
12859 #ifdef FEAT_LIBCALL
12861 char_u
**string_result
;
12865 rettv
->v_type
= type
;
12866 if (type
!= VAR_NUMBER
)
12867 rettv
->vval
.v_string
= NULL
;
12869 if (check_restricted() || check_secure())
12872 #ifdef FEAT_LIBCALL
12873 /* The first two args must be strings, otherwise its meaningless */
12874 if (argvars
[0].v_type
== VAR_STRING
&& argvars
[1].v_type
== VAR_STRING
)
12877 if (argvars
[2].v_type
== VAR_STRING
)
12878 string_in
= argvars
[2].vval
.v_string
;
12879 if (type
== VAR_NUMBER
)
12880 string_result
= NULL
;
12882 string_result
= &rettv
->vval
.v_string
;
12883 if (mch_libcall(argvars
[0].vval
.v_string
,
12884 argvars
[1].vval
.v_string
,
12886 argvars
[2].vval
.v_number
,
12889 && type
== VAR_NUMBER
)
12890 rettv
->vval
.v_number
= nr_result
;
12896 * "libcall()" function
12899 f_libcall(argvars
, rettv
)
12903 libcall_common(argvars
, rettv
, VAR_STRING
);
12907 * "libcallnr()" function
12910 f_libcallnr(argvars
, rettv
)
12914 libcall_common(argvars
, rettv
, VAR_NUMBER
);
12918 * "line(string)" function
12921 f_line(argvars
, rettv
)
12929 fp
= var2fpos(&argvars
[0], TRUE
, &fnum
);
12932 rettv
->vval
.v_number
= lnum
;
12936 * "line2byte(lnum)" function
12939 f_line2byte(argvars
, rettv
)
12940 typval_T
*argvars UNUSED
;
12943 #ifndef FEAT_BYTEOFF
12944 rettv
->vval
.v_number
= -1;
12948 lnum
= get_tv_lnum(argvars
);
12949 if (lnum
< 1 || lnum
> curbuf
->b_ml
.ml_line_count
+ 1)
12950 rettv
->vval
.v_number
= -1;
12952 rettv
->vval
.v_number
= ml_find_line_or_offset(curbuf
, lnum
, NULL
);
12953 if (rettv
->vval
.v_number
>= 0)
12954 ++rettv
->vval
.v_number
;
12959 * "lispindent(lnum)" function
12962 f_lispindent(argvars
, rettv
)
12970 pos
= curwin
->w_cursor
;
12971 lnum
= get_tv_lnum(argvars
);
12972 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
)
12974 curwin
->w_cursor
.lnum
= lnum
;
12975 rettv
->vval
.v_number
= get_lisp_indent();
12976 curwin
->w_cursor
= pos
;
12980 rettv
->vval
.v_number
= -1;
12984 * "localtime()" function
12987 f_localtime(argvars
, rettv
)
12988 typval_T
*argvars UNUSED
;
12991 rettv
->vval
.v_number
= (varnumber_T
)time(NULL
);
12994 static void get_maparg
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int exact
));
12997 get_maparg(argvars
, rettv
, exact
)
13004 char_u buf
[NUMBUFLEN
];
13005 char_u
*keys_buf
= NULL
;
13011 /* return empty string for failure */
13012 rettv
->v_type
= VAR_STRING
;
13013 rettv
->vval
.v_string
= NULL
;
13015 keys
= get_tv_string(&argvars
[0]);
13019 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
13021 which
= get_tv_string_buf_chk(&argvars
[1], buf
);
13022 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
13023 abbr
= get_tv_number(&argvars
[2]);
13026 which
= (char_u
*)"";
13030 mode
= get_map_mode(&which
, 0);
13032 keys
= replace_termcodes(keys
, &keys_buf
, TRUE
, TRUE
, FALSE
);
13033 rhs
= check_map(keys
, mode
, exact
, FALSE
, abbr
);
13034 vim_free(keys_buf
);
13038 ga
.ga_itemsize
= 1;
13039 ga
.ga_growsize
= 40;
13041 while (*rhs
!= NUL
)
13042 ga_concat(&ga
, str2special(&rhs
, FALSE
));
13044 ga_append(&ga
, NUL
);
13045 rettv
->vval
.v_string
= (char_u
*)ga
.ga_data
;
13051 * "log10()" function
13054 f_log10(argvars
, rettv
)
13060 rettv
->v_type
= VAR_FLOAT
;
13061 if (get_float_arg(argvars
, &f
) == OK
)
13062 rettv
->vval
.v_float
= log10(f
);
13064 rettv
->vval
.v_float
= 0.0;
13072 f_map(argvars
, rettv
)
13076 filter_map(argvars
, rettv
, TRUE
);
13080 * "maparg()" function
13083 f_maparg(argvars
, rettv
)
13087 get_maparg(argvars
, rettv
, TRUE
);
13091 * "mapcheck()" function
13094 f_mapcheck(argvars
, rettv
)
13098 get_maparg(argvars
, rettv
, FALSE
);
13101 static void find_some_match
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int start
));
13104 find_some_match(argvars
, rettv
, type
)
13109 char_u
*str
= NULL
;
13110 char_u
*expr
= NULL
;
13112 regmatch_T regmatch
;
13113 char_u patbuf
[NUMBUFLEN
];
13114 char_u strbuf
[NUMBUFLEN
];
13118 colnr_T startcol
= 0;
13121 listitem_T
*li
= NULL
;
13123 char_u
*tofree
= NULL
;
13125 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
13127 p_cpo
= (char_u
*)"";
13129 rettv
->vval
.v_number
= -1;
13132 /* return empty list when there are no matches */
13133 if (rettv_list_alloc(rettv
) == FAIL
)
13136 else if (type
== 2)
13138 rettv
->v_type
= VAR_STRING
;
13139 rettv
->vval
.v_string
= NULL
;
13142 if (argvars
[0].v_type
== VAR_LIST
)
13144 if ((l
= argvars
[0].vval
.v_list
) == NULL
)
13149 expr
= str
= get_tv_string(&argvars
[0]);
13151 pat
= get_tv_string_buf_chk(&argvars
[1], patbuf
);
13155 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
13159 start
= get_tv_number_chk(&argvars
[2], &error
);
13164 li
= list_find(l
, start
);
13167 idx
= l
->lv_idx
; /* use the cached index */
13173 if (start
> (long)STRLEN(str
))
13175 /* When "count" argument is there ignore matches before "start",
13176 * otherwise skip part of the string. Differs when pattern is "^"
13178 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
13184 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
13185 nth
= get_tv_number_chk(&argvars
[3], &error
);
13190 regmatch
.regprog
= vim_regcomp(pat
, RE_MAGIC
+ RE_STRING
);
13191 if (regmatch
.regprog
!= NULL
)
13193 regmatch
.rm_ic
= p_ic
;
13205 str
= echo_string(&li
->li_tv
, &tofree
, strbuf
, 0);
13210 match
= vim_regexec_nl(®match
, str
, (colnr_T
)startcol
);
13212 if (match
&& --nth
<= 0)
13214 if (l
== NULL
&& !match
)
13217 /* Advance to just after the match. */
13226 startcol
= (colnr_T
)(regmatch
.startp
[0]
13227 + (*mb_ptr2len
)(regmatch
.startp
[0]) - str
);
13229 startcol
= regmatch
.startp
[0] + 1 - str
;
13240 /* return list with matched string and submatches */
13241 for (i
= 0; i
< NSUBEXP
; ++i
)
13243 if (regmatch
.endp
[i
] == NULL
)
13245 if (list_append_string(rettv
->vval
.v_list
,
13246 (char_u
*)"", 0) == FAIL
)
13249 else if (list_append_string(rettv
->vval
.v_list
,
13250 regmatch
.startp
[i
],
13251 (int)(regmatch
.endp
[i
] - regmatch
.startp
[i
]))
13256 else if (type
== 2)
13258 /* return matched string */
13260 copy_tv(&li
->li_tv
, rettv
);
13262 rettv
->vval
.v_string
= vim_strnsave(regmatch
.startp
[0],
13263 (int)(regmatch
.endp
[0] - regmatch
.startp
[0]));
13265 else if (l
!= NULL
)
13266 rettv
->vval
.v_number
= idx
;
13270 rettv
->vval
.v_number
=
13271 (varnumber_T
)(regmatch
.startp
[0] - str
);
13273 rettv
->vval
.v_number
=
13274 (varnumber_T
)(regmatch
.endp
[0] - str
);
13275 rettv
->vval
.v_number
+= (varnumber_T
)(str
- expr
);
13278 vim_free(regmatch
.regprog
);
13287 * "match()" function
13290 f_match(argvars
, rettv
)
13294 find_some_match(argvars
, rettv
, 1);
13298 * "matchadd()" function
13301 f_matchadd(argvars
, rettv
)
13305 #ifdef FEAT_SEARCH_EXTRA
13306 char_u buf
[NUMBUFLEN
];
13307 char_u
*grp
= get_tv_string_buf_chk(&argvars
[0], buf
); /* group */
13308 char_u
*pat
= get_tv_string_buf_chk(&argvars
[1], buf
); /* pattern */
13309 int prio
= 10; /* default priority */
13313 rettv
->vval
.v_number
= -1;
13315 if (grp
== NULL
|| pat
== NULL
)
13317 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
13319 prio
= get_tv_number_chk(&argvars
[2], &error
);
13320 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
13321 id
= get_tv_number_chk(&argvars
[3], &error
);
13325 if (id
>= 1 && id
<= 3)
13327 EMSGN("E798: ID is reserved for \":match\": %ld", id
);
13331 rettv
->vval
.v_number
= match_add(curwin
, grp
, pat
, prio
, id
);
13336 * "matcharg()" function
13339 f_matcharg(argvars
, rettv
)
13343 if (rettv_list_alloc(rettv
) == OK
)
13345 #ifdef FEAT_SEARCH_EXTRA
13346 int id
= get_tv_number(&argvars
[0]);
13349 if (id
>= 1 && id
<= 3)
13351 if ((m
= (matchitem_T
*)get_match(curwin
, id
)) != NULL
)
13353 list_append_string(rettv
->vval
.v_list
,
13354 syn_id2name(m
->hlg_id
), -1);
13355 list_append_string(rettv
->vval
.v_list
, m
->pattern
, -1);
13359 list_append_string(rettv
->vval
.v_list
, NUL
, -1);
13360 list_append_string(rettv
->vval
.v_list
, NUL
, -1);
13368 * "matchdelete()" function
13371 f_matchdelete(argvars
, rettv
)
13375 #ifdef FEAT_SEARCH_EXTRA
13376 rettv
->vval
.v_number
= match_delete(curwin
,
13377 (int)get_tv_number(&argvars
[0]), TRUE
);
13382 * "matchend()" function
13385 f_matchend(argvars
, rettv
)
13389 find_some_match(argvars
, rettv
, 0);
13393 * "matchlist()" function
13396 f_matchlist(argvars
, rettv
)
13400 find_some_match(argvars
, rettv
, 3);
13404 * "matchstr()" function
13407 f_matchstr(argvars
, rettv
)
13411 find_some_match(argvars
, rettv
, 2);
13414 static void max_min
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int domax
));
13417 max_min(argvars
, rettv
, domax
)
13426 if (argvars
[0].v_type
== VAR_LIST
)
13431 l
= argvars
[0].vval
.v_list
;
13437 n
= get_tv_number_chk(&li
->li_tv
, &error
);
13443 i
= get_tv_number_chk(&li
->li_tv
, &error
);
13444 if (domax
? i
> n
: i
< n
)
13450 else if (argvars
[0].v_type
== VAR_DICT
)
13457 d
= argvars
[0].vval
.v_dict
;
13460 todo
= (int)d
->dv_hashtab
.ht_used
;
13461 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
13463 if (!HASHITEM_EMPTY(hi
))
13466 i
= get_tv_number_chk(&HI2DI(hi
)->di_tv
, &error
);
13472 else if (domax
? i
> n
: i
< n
)
13479 EMSG(_(e_listdictarg
));
13480 rettv
->vval
.v_number
= error
? 0 : n
;
13487 f_max(argvars
, rettv
)
13491 max_min(argvars
, rettv
, TRUE
);
13498 f_min(argvars
, rettv
)
13502 max_min(argvars
, rettv
, FALSE
);
13505 static int mkdir_recurse
__ARGS((char_u
*dir
, int prot
));
13508 * Create the directory in which "dir" is located, and higher levels when
13512 mkdir_recurse(dir
, prot
)
13520 /* Get end of directory name in "dir".
13521 * We're done when it's "/" or "c:/". */
13522 p
= gettail_sep(dir
);
13523 if (p
<= get_past_head(dir
))
13526 /* If the directory exists we're done. Otherwise: create it.*/
13527 updir
= vim_strnsave(dir
, (int)(p
- dir
));
13530 if (mch_isdir(updir
))
13532 else if (mkdir_recurse(updir
, prot
) == OK
)
13533 r
= vim_mkdir_emsg(updir
, prot
);
13540 * "mkdir()" function
13543 f_mkdir(argvars
, rettv
)
13548 char_u buf
[NUMBUFLEN
];
13551 rettv
->vval
.v_number
= FAIL
;
13552 if (check_restricted() || check_secure())
13555 dir
= get_tv_string_buf(&argvars
[0], buf
);
13556 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
13558 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
13559 prot
= get_tv_number_chk(&argvars
[2], NULL
);
13560 if (prot
!= -1 && STRCMP(get_tv_string(&argvars
[1]), "p") == 0)
13561 mkdir_recurse(dir
, prot
);
13563 rettv
->vval
.v_number
= prot
!= -1 ? vim_mkdir_emsg(dir
, prot
) : 0;
13568 * "mode()" function
13571 f_mode(argvars
, rettv
)
13584 buf
[0] = VIsual_mode
+ 's' - 'v';
13586 buf
[0] = VIsual_mode
;
13590 if (State
== HITRETURN
|| State
== ASKMORE
|| State
== SETWSIZE
13591 || State
== CONFIRM
)
13594 if (State
== ASKMORE
)
13596 else if (State
== CONFIRM
)
13599 else if (State
== EXTERNCMD
)
13601 else if (State
& INSERT
)
13603 #ifdef FEAT_VREPLACE
13604 if (State
& VREPLACE_FLAG
)
13611 if (State
& REPLACE_FLAG
)
13616 else if (State
& CMDLINE
)
13622 else if (exmode_active
)
13634 /* Clear out the minor mode when the argument is not a non-zero number or
13635 * non-empty string. */
13636 if (!non_zero_arg(&argvars
[0]))
13639 rettv
->vval
.v_string
= vim_strsave(buf
);
13640 rettv
->v_type
= VAR_STRING
;
13643 #ifdef FEAT_MZSCHEME
13645 * "mzeval()" function
13648 f_mzeval(argvars
, rettv
)
13653 char_u buf
[NUMBUFLEN
];
13655 str
= get_tv_string_buf(&argvars
[0], buf
);
13656 do_mzeval(str
, rettv
);
13661 * "nextnonblank()" function
13664 f_nextnonblank(argvars
, rettv
)
13670 for (lnum
= get_tv_lnum(argvars
); ; ++lnum
)
13672 if (lnum
< 0 || lnum
> curbuf
->b_ml
.ml_line_count
)
13677 if (*skipwhite(ml_get(lnum
)) != NUL
)
13680 rettv
->vval
.v_number
= lnum
;
13684 * "nr2char()" function
13687 f_nr2char(argvars
, rettv
)
13691 char_u buf
[NUMBUFLEN
];
13695 buf
[(*mb_char2bytes
)((int)get_tv_number(&argvars
[0]), buf
)] = NUL
;
13699 buf
[0] = (char_u
)get_tv_number(&argvars
[0]);
13702 rettv
->v_type
= VAR_STRING
;
13703 rettv
->vval
.v_string
= vim_strsave(buf
);
13707 * "pathshorten()" function
13710 f_pathshorten(argvars
, rettv
)
13716 rettv
->v_type
= VAR_STRING
;
13717 p
= get_tv_string_chk(&argvars
[0]);
13719 rettv
->vval
.v_string
= NULL
;
13722 p
= vim_strsave(p
);
13723 rettv
->vval
.v_string
= p
;
13734 f_pow(argvars
, rettv
)
13740 rettv
->v_type
= VAR_FLOAT
;
13741 if (get_float_arg(argvars
, &fx
) == OK
13742 && get_float_arg(&argvars
[1], &fy
) == OK
)
13743 rettv
->vval
.v_float
= pow(fx
, fy
);
13745 rettv
->vval
.v_float
= 0.0;
13750 * "prevnonblank()" function
13753 f_prevnonblank(argvars
, rettv
)
13759 lnum
= get_tv_lnum(argvars
);
13760 if (lnum
< 1 || lnum
> curbuf
->b_ml
.ml_line_count
)
13763 while (lnum
>= 1 && *skipwhite(ml_get(lnum
)) == NUL
)
13765 rettv
->vval
.v_number
= lnum
;
13768 #ifdef HAVE_STDARG_H
13769 /* This dummy va_list is here because:
13770 * - passing a NULL pointer doesn't work when va_list isn't a pointer
13771 * - locally in the function results in a "used before set" warning
13772 * - using va_start() to initialize it gives "function with fixed args" error */
13777 * "printf()" function
13780 f_printf(argvars
, rettv
)
13784 rettv
->v_type
= VAR_STRING
;
13785 rettv
->vval
.v_string
= NULL
;
13786 #ifdef HAVE_STDARG_H /* only very old compilers can't do this */
13788 char_u buf
[NUMBUFLEN
];
13791 int saved_did_emsg
= did_emsg
;
13794 /* Get the required length, allocate the buffer and do it for real. */
13796 fmt
= (char *)get_tv_string_buf(&argvars
[0], buf
);
13797 len
= vim_vsnprintf(NULL
, 0, fmt
, ap
, argvars
+ 1);
13800 s
= alloc(len
+ 1);
13803 rettv
->vval
.v_string
= s
;
13804 (void)vim_vsnprintf((char *)s
, len
+ 1, fmt
, ap
, argvars
+ 1);
13807 did_emsg
|= saved_did_emsg
;
13813 * "pumvisible()" function
13816 f_pumvisible(argvars
, rettv
)
13817 typval_T
*argvars UNUSED
;
13818 typval_T
*rettv UNUSED
;
13820 #ifdef FEAT_INS_EXPAND
13822 rettv
->vval
.v_number
= 1;
13827 * "range()" function
13830 f_range(argvars
, rettv
)
13840 start
= get_tv_number_chk(&argvars
[0], &error
);
13841 if (argvars
[1].v_type
== VAR_UNKNOWN
)
13848 end
= get_tv_number_chk(&argvars
[1], &error
);
13849 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
13850 stride
= get_tv_number_chk(&argvars
[2], &error
);
13854 return; /* type error; errmsg already given */
13856 EMSG(_("E726: Stride is zero"));
13857 else if (stride
> 0 ? end
+ 1 < start
: end
- 1 > start
)
13858 EMSG(_("E727: Start past end"));
13861 if (rettv_list_alloc(rettv
) == OK
)
13862 for (i
= start
; stride
> 0 ? i
<= end
: i
>= end
; i
+= stride
)
13863 if (list_append_number(rettv
->vval
.v_list
,
13864 (varnumber_T
)i
) == FAIL
)
13870 * "readfile()" function
13873 f_readfile(argvars
, rettv
)
13877 int binary
= FALSE
;
13881 #define FREAD_SIZE 200 /* optimized for text lines */
13882 char_u buf
[FREAD_SIZE
];
13883 int readlen
; /* size of last fread() */
13884 int buflen
; /* nr of valid chars in buf[] */
13885 int filtd
; /* how much in buf[] was NUL -> '\n' filtered */
13886 int tolist
; /* first byte in buf[] still to be put in list */
13887 int chop
; /* how many CR to chop off */
13888 char_u
*prev
= NULL
; /* previously read bytes, if any */
13889 int prevlen
= 0; /* length of "prev" if not NULL */
13892 long maxline
= MAXLNUM
;
13895 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
13897 if (STRCMP(get_tv_string(&argvars
[1]), "b") == 0)
13899 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
13900 maxline
= get_tv_number(&argvars
[2]);
13903 if (rettv_list_alloc(rettv
) == FAIL
)
13906 /* Always open the file in binary mode, library functions have a mind of
13907 * their own about CR-LF conversion. */
13908 fname
= get_tv_string(&argvars
[0]);
13909 if (*fname
== NUL
|| (fd
= mch_fopen((char *)fname
, READBIN
)) == NULL
)
13911 EMSG2(_(e_notopen
), *fname
== NUL
? (char_u
*)_("<empty>") : fname
);
13916 while (cnt
< maxline
|| maxline
< 0)
13918 readlen
= (int)fread(buf
+ filtd
, 1, FREAD_SIZE
- filtd
, fd
);
13919 buflen
= filtd
+ readlen
;
13921 for ( ; filtd
< buflen
|| readlen
<= 0; ++filtd
)
13923 if (buf
[filtd
] == '\n' || readlen
<= 0)
13925 /* Only when in binary mode add an empty list item when the
13926 * last line ends in a '\n'. */
13927 if (!binary
&& readlen
== 0 && filtd
== 0)
13930 /* Found end-of-line or end-of-file: add a text line to the
13934 while (filtd
- chop
- 1 >= tolist
13935 && buf
[filtd
- chop
- 1] == '\r')
13937 len
= filtd
- tolist
- chop
;
13939 s
= vim_strnsave(buf
+ tolist
, len
);
13942 s
= alloc((unsigned)(prevlen
+ len
+ 1));
13945 mch_memmove(s
, prev
, prevlen
);
13948 mch_memmove(s
+ prevlen
, buf
+ tolist
, len
);
13949 s
[prevlen
+ len
] = NUL
;
13952 tolist
= filtd
+ 1;
13954 li
= listitem_alloc();
13960 li
->li_tv
.v_type
= VAR_STRING
;
13961 li
->li_tv
.v_lock
= 0;
13962 li
->li_tv
.vval
.v_string
= s
;
13963 list_append(rettv
->vval
.v_list
, li
);
13965 if (++cnt
>= maxline
&& maxline
>= 0)
13970 else if (buf
[filtd
] == NUL
)
13978 /* "buf" is full, need to move text to an allocated buffer */
13981 prev
= vim_strnsave(buf
, buflen
);
13986 s
= alloc((unsigned)(prevlen
+ buflen
));
13989 mch_memmove(s
, prev
, prevlen
);
13990 mch_memmove(s
+ prevlen
, buf
, buflen
);
14000 mch_memmove(buf
, buf
+ tolist
, buflen
- tolist
);
14006 * For a negative line count use only the lines at the end of the file,
14010 while (cnt
> -maxline
)
14012 listitem_remove(rettv
->vval
.v_list
, rettv
->vval
.v_list
->lv_first
);
14020 #if defined(FEAT_RELTIME)
14021 static int list2proftime
__ARGS((typval_T
*arg
, proftime_T
*tm
));
14024 * Convert a List to proftime_T.
14025 * Return FAIL when there is something wrong.
14028 list2proftime(arg
, tm
)
14035 if (arg
->v_type
!= VAR_LIST
|| arg
->vval
.v_list
== NULL
14036 || arg
->vval
.v_list
->lv_len
!= 2)
14038 n1
= list_find_nr(arg
->vval
.v_list
, 0L, &error
);
14039 n2
= list_find_nr(arg
->vval
.v_list
, 1L, &error
);
14047 return error
? FAIL
: OK
;
14049 #endif /* FEAT_RELTIME */
14052 * "reltime()" function
14055 f_reltime(argvars
, rettv
)
14059 #ifdef FEAT_RELTIME
14063 if (argvars
[0].v_type
== VAR_UNKNOWN
)
14065 /* No arguments: get current time. */
14066 profile_start(&res
);
14068 else if (argvars
[1].v_type
== VAR_UNKNOWN
)
14070 if (list2proftime(&argvars
[0], &res
) == FAIL
)
14076 /* Two arguments: compute the difference. */
14077 if (list2proftime(&argvars
[0], &start
) == FAIL
14078 || list2proftime(&argvars
[1], &res
) == FAIL
)
14080 profile_sub(&res
, &start
);
14083 if (rettv_list_alloc(rettv
) == OK
)
14094 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)n1
);
14095 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)n2
);
14101 * "reltimestr()" function
14104 f_reltimestr(argvars
, rettv
)
14108 #ifdef FEAT_RELTIME
14112 rettv
->v_type
= VAR_STRING
;
14113 rettv
->vval
.v_string
= NULL
;
14114 #ifdef FEAT_RELTIME
14115 if (list2proftime(&argvars
[0], &tm
) == OK
)
14116 rettv
->vval
.v_string
= vim_strsave((char_u
*)profile_msg(&tm
));
14120 #if defined(FEAT_CLIENTSERVER) && defined(FEAT_X11)
14121 static void make_connection
__ARGS((void));
14122 static int check_connection
__ARGS((void));
14127 if (X_DISPLAY
== NULL
14133 x_force_connect
= TRUE
;
14135 x_force_connect
= FALSE
;
14143 if (X_DISPLAY
== NULL
)
14145 EMSG(_("E240: No connection to Vim server"));
14152 #ifdef FEAT_CLIENTSERVER
14153 static void remote_common
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int expr
));
14156 remote_common(argvars
, rettv
, expr
)
14161 char_u
*server_name
;
14164 char_u buf
[NUMBUFLEN
];
14171 if (check_restricted() || check_secure())
14175 if (check_connection() == FAIL
)
14179 server_name
= get_tv_string_chk(&argvars
[0]);
14180 if (server_name
== NULL
)
14181 return; /* type error; errmsg already given */
14182 keys
= get_tv_string_buf(&argvars
[1], buf
);
14184 if (serverSendToVim(server_name
, keys
, &r
, &w
, expr
, TRUE
) < 0)
14186 if (serverSendToVim(X_DISPLAY
, server_name
, keys
, &r
, &w
, expr
, 0, TRUE
)
14191 EMSG(r
); /* sending worked but evaluation failed */
14193 EMSG2(_("E241: Unable to send to %s"), server_name
);
14197 rettv
->vval
.v_string
= r
;
14199 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
14205 sprintf((char *)str
, PRINTF_HEX_LONG_U
, (long_u
)w
);
14206 v
.di_tv
.v_type
= VAR_STRING
;
14207 v
.di_tv
.vval
.v_string
= vim_strsave(str
);
14208 idvar
= get_tv_string_chk(&argvars
[2]);
14210 set_var(idvar
, &v
.di_tv
, FALSE
);
14211 vim_free(v
.di_tv
.vval
.v_string
);
14217 * "remote_expr()" function
14220 f_remote_expr(argvars
, rettv
)
14221 typval_T
*argvars UNUSED
;
14224 rettv
->v_type
= VAR_STRING
;
14225 rettv
->vval
.v_string
= NULL
;
14226 #ifdef FEAT_CLIENTSERVER
14227 remote_common(argvars
, rettv
, TRUE
);
14232 * "remote_foreground()" function
14235 f_remote_foreground(argvars
, rettv
)
14236 typval_T
*argvars UNUSED
;
14237 typval_T
*rettv UNUSED
;
14239 #ifdef FEAT_CLIENTSERVER
14241 /* On Win32 it's done in this application. */
14243 char_u
*server_name
= get_tv_string_chk(&argvars
[0]);
14245 if (server_name
!= NULL
)
14246 serverForeground(server_name
);
14249 /* Send a foreground() expression to the server. */
14250 argvars
[1].v_type
= VAR_STRING
;
14251 argvars
[1].vval
.v_string
= vim_strsave((char_u
*)"foreground()");
14252 argvars
[2].v_type
= VAR_UNKNOWN
;
14253 remote_common(argvars
, rettv
, TRUE
);
14254 vim_free(argvars
[1].vval
.v_string
);
14260 f_remote_peek(argvars
, rettv
)
14261 typval_T
*argvars UNUSED
;
14264 #ifdef FEAT_CLIENTSERVER
14272 if (check_restricted() || check_secure())
14274 rettv
->vval
.v_number
= -1;
14277 serverid
= get_tv_string_chk(&argvars
[0]);
14278 if (serverid
== NULL
)
14280 rettv
->vval
.v_number
= -1;
14281 return; /* type error; errmsg already given */
14284 sscanf(serverid
, SCANF_HEX_LONG_U
, &n
);
14286 rettv
->vval
.v_number
= -1;
14289 s
= serverGetReply((HWND
)n
, FALSE
, FALSE
, FALSE
);
14290 rettv
->vval
.v_number
= (s
!= NULL
);
14293 if (check_connection() == FAIL
)
14296 rettv
->vval
.v_number
= serverPeekReply(X_DISPLAY
,
14297 serverStrToWin(serverid
), &s
);
14300 if (argvars
[1].v_type
!= VAR_UNKNOWN
&& rettv
->vval
.v_number
> 0)
14304 v
.di_tv
.v_type
= VAR_STRING
;
14305 v
.di_tv
.vval
.v_string
= vim_strsave(s
);
14306 retvar
= get_tv_string_chk(&argvars
[1]);
14307 if (retvar
!= NULL
)
14308 set_var(retvar
, &v
.di_tv
, FALSE
);
14309 vim_free(v
.di_tv
.vval
.v_string
);
14312 rettv
->vval
.v_number
= -1;
14317 f_remote_read(argvars
, rettv
)
14318 typval_T
*argvars UNUSED
;
14323 #ifdef FEAT_CLIENTSERVER
14324 char_u
*serverid
= get_tv_string_chk(&argvars
[0]);
14326 if (serverid
!= NULL
&& !check_restricted() && !check_secure())
14329 /* The server's HWND is encoded in the 'id' parameter */
14332 sscanf(serverid
, SCANF_HEX_LONG_U
, &n
);
14334 r
= serverGetReply((HWND
)n
, FALSE
, TRUE
, TRUE
);
14337 if (check_connection() == FAIL
|| serverReadReply(X_DISPLAY
,
14338 serverStrToWin(serverid
), &r
, FALSE
) < 0)
14340 EMSG(_("E277: Unable to read a server reply"));
14343 rettv
->v_type
= VAR_STRING
;
14344 rettv
->vval
.v_string
= r
;
14348 * "remote_send()" function
14351 f_remote_send(argvars
, rettv
)
14352 typval_T
*argvars UNUSED
;
14355 rettv
->v_type
= VAR_STRING
;
14356 rettv
->vval
.v_string
= NULL
;
14357 #ifdef FEAT_CLIENTSERVER
14358 remote_common(argvars
, rettv
, FALSE
);
14363 * "remove()" function
14366 f_remove(argvars
, rettv
)
14371 listitem_T
*item
, *item2
;
14379 if (argvars
[0].v_type
== VAR_DICT
)
14381 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
14382 EMSG2(_(e_toomanyarg
), "remove()");
14383 else if ((d
= argvars
[0].vval
.v_dict
) != NULL
14384 && !tv_check_lock(d
->dv_lock
, (char_u
*)"remove() argument"))
14386 key
= get_tv_string_chk(&argvars
[1]);
14389 di
= dict_find(d
, key
, -1);
14391 EMSG2(_(e_dictkey
), key
);
14394 *rettv
= di
->di_tv
;
14395 init_tv(&di
->di_tv
);
14396 dictitem_remove(d
, di
);
14401 else if (argvars
[0].v_type
!= VAR_LIST
)
14402 EMSG2(_(e_listdictarg
), "remove()");
14403 else if ((l
= argvars
[0].vval
.v_list
) != NULL
14404 && !tv_check_lock(l
->lv_lock
, (char_u
*)"remove() argument"))
14408 idx
= get_tv_number_chk(&argvars
[1], &error
);
14410 ; /* type error: do nothing, errmsg already given */
14411 else if ((item
= list_find(l
, idx
)) == NULL
)
14412 EMSGN(_(e_listidx
), idx
);
14415 if (argvars
[2].v_type
== VAR_UNKNOWN
)
14417 /* Remove one item, return its value. */
14418 list_remove(l
, item
, item
);
14419 *rettv
= item
->li_tv
;
14424 /* Remove range of items, return list with values. */
14425 end
= get_tv_number_chk(&argvars
[2], &error
);
14427 ; /* type error: do nothing */
14428 else if ((item2
= list_find(l
, end
)) == NULL
)
14429 EMSGN(_(e_listidx
), end
);
14434 for (li
= item
; li
!= NULL
; li
= li
->li_next
)
14440 if (li
== NULL
) /* didn't find "item2" after "item" */
14441 EMSG(_(e_invrange
));
14444 list_remove(l
, item
, item2
);
14445 if (rettv_list_alloc(rettv
) == OK
)
14447 l
= rettv
->vval
.v_list
;
14448 l
->lv_first
= item
;
14449 l
->lv_last
= item2
;
14450 item
->li_prev
= NULL
;
14451 item2
->li_next
= NULL
;
14462 * "rename({from}, {to})" function
14465 f_rename(argvars
, rettv
)
14469 char_u buf
[NUMBUFLEN
];
14471 if (check_restricted() || check_secure())
14472 rettv
->vval
.v_number
= -1;
14474 rettv
->vval
.v_number
= vim_rename(get_tv_string(&argvars
[0]),
14475 get_tv_string_buf(&argvars
[1], buf
));
14479 * "repeat()" function
14482 f_repeat(argvars
, rettv
)
14493 n
= get_tv_number(&argvars
[1]);
14494 if (argvars
[0].v_type
== VAR_LIST
)
14496 if (rettv_list_alloc(rettv
) == OK
&& argvars
[0].vval
.v_list
!= NULL
)
14498 if (list_extend(rettv
->vval
.v_list
,
14499 argvars
[0].vval
.v_list
, NULL
) == FAIL
)
14504 p
= get_tv_string(&argvars
[0]);
14505 rettv
->v_type
= VAR_STRING
;
14506 rettv
->vval
.v_string
= NULL
;
14508 slen
= (int)STRLEN(p
);
14513 r
= alloc(len
+ 1);
14516 for (i
= 0; i
< n
; i
++)
14517 mch_memmove(r
+ i
* slen
, p
, (size_t)slen
);
14521 rettv
->vval
.v_string
= r
;
14526 * "resolve()" function
14529 f_resolve(argvars
, rettv
)
14535 p
= get_tv_string(&argvars
[0]);
14536 #ifdef FEAT_SHORTCUT
14540 v
= mch_resolve_shortcut(p
);
14542 rettv
->vval
.v_string
= v
;
14544 rettv
->vval
.v_string
= vim_strsave(p
);
14547 # ifdef HAVE_READLINK
14549 char_u buf
[MAXPATHL
+ 1];
14552 char_u
*remain
= NULL
;
14554 int is_relative_to_current
= FALSE
;
14555 int has_trailing_pathsep
= FALSE
;
14558 p
= vim_strsave(p
);
14560 if (p
[0] == '.' && (vim_ispathsep(p
[1])
14561 || (p
[1] == '.' && (vim_ispathsep(p
[2])))))
14562 is_relative_to_current
= TRUE
;
14565 if (len
> 0 && after_pathsep(p
, p
+ len
))
14566 has_trailing_pathsep
= TRUE
;
14568 q
= getnextcomp(p
);
14571 /* Separate the first path component in "p", and keep the
14572 * remainder (beginning with the path separator). */
14573 remain
= vim_strsave(q
- 1);
14581 len
= readlink((char *)p
, (char *)buf
, MAXPATHL
);
14590 EMSG(_("E655: Too many symbolic links (cycle?)"));
14591 rettv
->vval
.v_string
= NULL
;
14595 /* Ensure that the result will have a trailing path separator
14596 * if the argument has one. */
14597 if (remain
== NULL
&& has_trailing_pathsep
)
14600 /* Separate the first path component in the link value and
14601 * concatenate the remainders. */
14602 q
= getnextcomp(vim_ispathsep(*buf
) ? buf
+ 1 : buf
);
14605 if (remain
== NULL
)
14606 remain
= vim_strsave(q
- 1);
14609 cpy
= concat_str(q
- 1, remain
);
14620 if (q
> p
&& *q
== NUL
)
14622 /* Ignore trailing path separator. */
14626 if (q
> p
&& !mch_isFullName(buf
))
14628 /* symlink is relative to directory of argument */
14629 cpy
= alloc((unsigned)(STRLEN(p
) + STRLEN(buf
) + 1));
14633 STRCPY(gettail(cpy
), buf
);
14641 p
= vim_strsave(buf
);
14645 if (remain
== NULL
)
14648 /* Append the first path component of "remain" to "p". */
14649 q
= getnextcomp(remain
+ 1);
14650 len
= q
- remain
- (*q
!= NUL
);
14651 cpy
= vim_strnsave(p
, STRLEN(p
) + len
);
14654 STRNCAT(cpy
, remain
, len
);
14658 /* Shorten "remain". */
14660 STRMOVE(remain
, q
- 1);
14668 /* If the result is a relative path name, make it explicitly relative to
14669 * the current directory if and only if the argument had this form. */
14670 if (!vim_ispathsep(*p
))
14672 if (is_relative_to_current
14676 || vim_ispathsep(p
[1])
14679 || vim_ispathsep(p
[2]))))))
14681 /* Prepend "./". */
14682 cpy
= concat_str((char_u
*)"./", p
);
14689 else if (!is_relative_to_current
)
14691 /* Strip leading "./". */
14693 while (q
[0] == '.' && vim_ispathsep(q
[1]))
14700 /* Ensure that the result will have no trailing path separator
14701 * if the argument had none. But keep "/" or "//". */
14702 if (!has_trailing_pathsep
)
14705 if (after_pathsep(p
, q
))
14706 *gettail_sep(p
) = NUL
;
14709 rettv
->vval
.v_string
= p
;
14712 rettv
->vval
.v_string
= vim_strsave(p
);
14716 simplify_filename(rettv
->vval
.v_string
);
14718 #ifdef HAVE_READLINK
14721 rettv
->v_type
= VAR_STRING
;
14725 * "reverse({list})" function
14728 f_reverse(argvars
, rettv
)
14733 listitem_T
*li
, *ni
;
14735 if (argvars
[0].v_type
!= VAR_LIST
)
14736 EMSG2(_(e_listarg
), "reverse()");
14737 else if ((l
= argvars
[0].vval
.v_list
) != NULL
14738 && !tv_check_lock(l
->lv_lock
, (char_u
*)"reverse()"))
14741 l
->lv_first
= l
->lv_last
= NULL
;
14746 list_append(l
, li
);
14749 rettv
->vval
.v_list
= l
;
14750 rettv
->v_type
= VAR_LIST
;
14752 l
->lv_idx
= l
->lv_len
- l
->lv_idx
- 1;
14756 #define SP_NOMOVE 0x01 /* don't move cursor */
14757 #define SP_REPEAT 0x02 /* repeat to find outer pair */
14758 #define SP_RETCOUNT 0x04 /* return matchcount */
14759 #define SP_SETPCMARK 0x08 /* set previous context mark */
14760 #define SP_START 0x10 /* accept match at start position */
14761 #define SP_SUBPAT 0x20 /* return nr of matching sub-pattern */
14762 #define SP_END 0x40 /* leave cursor at end of match */
14764 static int get_search_arg
__ARGS((typval_T
*varp
, int *flagsp
));
14767 * Get flags for a search function.
14768 * Possibly sets "p_ws".
14769 * Returns BACKWARD, FORWARD or zero (for an error).
14772 get_search_arg(varp
, flagsp
)
14778 char_u nbuf
[NUMBUFLEN
];
14781 if (varp
->v_type
!= VAR_UNKNOWN
)
14783 flags
= get_tv_string_buf_chk(varp
, nbuf
);
14785 return 0; /* type error; errmsg already given */
14786 while (*flags
!= NUL
)
14790 case 'b': dir
= BACKWARD
; break;
14791 case 'w': p_ws
= TRUE
; break;
14792 case 'W': p_ws
= FALSE
; break;
14794 if (flagsp
!= NULL
)
14797 case 'c': mask
= SP_START
; break;
14798 case 'e': mask
= SP_END
; break;
14799 case 'm': mask
= SP_RETCOUNT
; break;
14800 case 'n': mask
= SP_NOMOVE
; break;
14801 case 'p': mask
= SP_SUBPAT
; break;
14802 case 'r': mask
= SP_REPEAT
; break;
14803 case 's': mask
= SP_SETPCMARK
; break;
14807 EMSG2(_(e_invarg2
), flags
);
14822 * Shared by search() and searchpos() functions
14825 search_cmn(argvars
, match_pos
, flagsp
)
14834 int save_p_ws
= p_ws
;
14836 int retval
= 0; /* default: FAIL */
14837 long lnum_stop
= 0;
14839 #ifdef FEAT_RELTIME
14840 long time_limit
= 0;
14842 int options
= SEARCH_KEEP
;
14845 pat
= get_tv_string(&argvars
[0]);
14846 dir
= get_search_arg(&argvars
[1], flagsp
); /* may set p_ws */
14850 if (flags
& SP_START
)
14851 options
|= SEARCH_START
;
14852 if (flags
& SP_END
)
14853 options
|= SEARCH_END
;
14855 /* Optional arguments: line number to stop searching and timeout. */
14856 if (argvars
[1].v_type
!= VAR_UNKNOWN
&& argvars
[2].v_type
!= VAR_UNKNOWN
)
14858 lnum_stop
= get_tv_number_chk(&argvars
[2], NULL
);
14861 #ifdef FEAT_RELTIME
14862 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
14864 time_limit
= get_tv_number_chk(&argvars
[3], NULL
);
14865 if (time_limit
< 0)
14871 #ifdef FEAT_RELTIME
14872 /* Set the time limit, if there is one. */
14873 profile_setlimit(time_limit
, &tm
);
14877 * This function does not accept SP_REPEAT and SP_RETCOUNT flags.
14878 * Check to make sure only those flags are set.
14879 * Also, Only the SP_NOMOVE or the SP_SETPCMARK flag can be set. Both
14880 * flags cannot be set. Check for that condition also.
14882 if (((flags
& (SP_REPEAT
| SP_RETCOUNT
)) != 0)
14883 || ((flags
& SP_NOMOVE
) && (flags
& SP_SETPCMARK
)))
14885 EMSG2(_(e_invarg2
), get_tv_string(&argvars
[1]));
14889 pos
= save_cursor
= curwin
->w_cursor
;
14890 subpatnum
= searchit(curwin
, curbuf
, &pos
, dir
, pat
, 1L,
14891 options
, RE_SEARCH
, (linenr_T
)lnum_stop
, &tm
);
14892 if (subpatnum
!= FAIL
)
14894 if (flags
& SP_SUBPAT
)
14895 retval
= subpatnum
;
14898 if (flags
& SP_SETPCMARK
)
14900 curwin
->w_cursor
= pos
;
14901 if (match_pos
!= NULL
)
14903 /* Store the match cursor position */
14904 match_pos
->lnum
= pos
.lnum
;
14905 match_pos
->col
= pos
.col
+ 1;
14907 /* "/$" will put the cursor after the end of the line, may need to
14908 * correct that here */
14912 /* If 'n' flag is used: restore cursor position. */
14913 if (flags
& SP_NOMOVE
)
14914 curwin
->w_cursor
= save_cursor
;
14916 curwin
->w_set_curswant
= TRUE
;
14925 * "round({float})" function
14928 f_round(argvars
, rettv
)
14934 rettv
->v_type
= VAR_FLOAT
;
14935 if (get_float_arg(argvars
, &f
) == OK
)
14936 /* round() is not in C90, use ceil() or floor() instead. */
14937 rettv
->vval
.v_float
= f
> 0 ? floor(f
+ 0.5) : ceil(f
- 0.5);
14939 rettv
->vval
.v_float
= 0.0;
14944 * "search()" function
14947 f_search(argvars
, rettv
)
14953 rettv
->vval
.v_number
= search_cmn(argvars
, NULL
, &flags
);
14957 * "searchdecl()" function
14960 f_searchdecl(argvars
, rettv
)
14969 rettv
->vval
.v_number
= 1; /* default: FAIL */
14971 name
= get_tv_string_chk(&argvars
[0]);
14972 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
14974 locally
= get_tv_number_chk(&argvars
[1], &error
) == 0;
14975 if (!error
&& argvars
[2].v_type
!= VAR_UNKNOWN
)
14976 thisblock
= get_tv_number_chk(&argvars
[2], &error
) != 0;
14978 if (!error
&& name
!= NULL
)
14979 rettv
->vval
.v_number
= find_decl(name
, (int)STRLEN(name
),
14980 locally
, thisblock
, SEARCH_KEEP
) == FAIL
;
14984 * Used by searchpair() and searchpairpos()
14987 searchpair_cmn(argvars
, match_pos
)
14991 char_u
*spat
, *mpat
, *epat
;
14993 int save_p_ws
= p_ws
;
14996 char_u nbuf1
[NUMBUFLEN
];
14997 char_u nbuf2
[NUMBUFLEN
];
14998 char_u nbuf3
[NUMBUFLEN
];
14999 int retval
= 0; /* default: FAIL */
15000 long lnum_stop
= 0;
15001 long time_limit
= 0;
15003 /* Get the three pattern arguments: start, middle, end. */
15004 spat
= get_tv_string_chk(&argvars
[0]);
15005 mpat
= get_tv_string_buf_chk(&argvars
[1], nbuf1
);
15006 epat
= get_tv_string_buf_chk(&argvars
[2], nbuf2
);
15007 if (spat
== NULL
|| mpat
== NULL
|| epat
== NULL
)
15008 goto theend
; /* type error */
15010 /* Handle the optional fourth argument: flags */
15011 dir
= get_search_arg(&argvars
[3], &flags
); /* may set p_ws */
15015 /* Don't accept SP_END or SP_SUBPAT.
15016 * Only one of the SP_NOMOVE or SP_SETPCMARK flags can be set.
15018 if ((flags
& (SP_END
| SP_SUBPAT
)) != 0
15019 || ((flags
& SP_NOMOVE
) && (flags
& SP_SETPCMARK
)))
15021 EMSG2(_(e_invarg2
), get_tv_string(&argvars
[3]));
15025 /* Using 'r' implies 'W', otherwise it doesn't work. */
15026 if (flags
& SP_REPEAT
)
15029 /* Optional fifth argument: skip expression */
15030 if (argvars
[3].v_type
== VAR_UNKNOWN
15031 || argvars
[4].v_type
== VAR_UNKNOWN
)
15032 skip
= (char_u
*)"";
15035 skip
= get_tv_string_buf_chk(&argvars
[4], nbuf3
);
15036 if (argvars
[5].v_type
!= VAR_UNKNOWN
)
15038 lnum_stop
= get_tv_number_chk(&argvars
[5], NULL
);
15041 #ifdef FEAT_RELTIME
15042 if (argvars
[6].v_type
!= VAR_UNKNOWN
)
15044 time_limit
= get_tv_number_chk(&argvars
[6], NULL
);
15045 if (time_limit
< 0)
15052 goto theend
; /* type error */
15054 retval
= do_searchpair(spat
, mpat
, epat
, dir
, skip
, flags
,
15055 match_pos
, lnum_stop
, time_limit
);
15064 * "searchpair()" function
15067 f_searchpair(argvars
, rettv
)
15071 rettv
->vval
.v_number
= searchpair_cmn(argvars
, NULL
);
15075 * "searchpairpos()" function
15078 f_searchpairpos(argvars
, rettv
)
15086 if (rettv_list_alloc(rettv
) == FAIL
)
15089 if (searchpair_cmn(argvars
, &match_pos
) > 0)
15091 lnum
= match_pos
.lnum
;
15092 col
= match_pos
.col
;
15095 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)lnum
);
15096 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)col
);
15100 * Search for a start/middle/end thing.
15101 * Used by searchpair(), see its documentation for the details.
15102 * Returns 0 or -1 for no match,
15105 do_searchpair(spat
, mpat
, epat
, dir
, skip
, flags
, match_pos
,
15106 lnum_stop
, time_limit
)
15107 char_u
*spat
; /* start pattern */
15108 char_u
*mpat
; /* middle pattern */
15109 char_u
*epat
; /* end pattern */
15110 int dir
; /* BACKWARD or FORWARD */
15111 char_u
*skip
; /* skip expression */
15112 int flags
; /* SP_SETPCMARK and other SP_ values */
15114 linenr_T lnum_stop
; /* stop at this line if not zero */
15115 long time_limit
; /* stop after this many msec */
15118 char_u
*pat
, *pat2
= NULL
, *pat3
= NULL
;
15129 int options
= SEARCH_KEEP
;
15132 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
15134 p_cpo
= empty_option
;
15136 #ifdef FEAT_RELTIME
15137 /* Set the time limit, if there is one. */
15138 profile_setlimit(time_limit
, &tm
);
15141 /* Make two search patterns: start/end (pat2, for in nested pairs) and
15142 * start/middle/end (pat3, for the top pair). */
15143 pat2
= alloc((unsigned)(STRLEN(spat
) + STRLEN(epat
) + 15));
15144 pat3
= alloc((unsigned)(STRLEN(spat
) + STRLEN(mpat
) + STRLEN(epat
) + 23));
15145 if (pat2
== NULL
|| pat3
== NULL
)
15147 sprintf((char *)pat2
, "\\(%s\\m\\)\\|\\(%s\\m\\)", spat
, epat
);
15149 STRCPY(pat3
, pat2
);
15151 sprintf((char *)pat3
, "\\(%s\\m\\)\\|\\(%s\\m\\)\\|\\(%s\\m\\)",
15153 if (flags
& SP_START
)
15154 options
|= SEARCH_START
;
15156 save_cursor
= curwin
->w_cursor
;
15157 pos
= curwin
->w_cursor
;
15158 clearpos(&firstpos
);
15159 clearpos(&foundpos
);
15163 n
= searchit(curwin
, curbuf
, &pos
, dir
, pat
, 1L,
15164 options
, RE_SEARCH
, lnum_stop
, &tm
);
15165 if (n
== FAIL
|| (firstpos
.lnum
!= 0 && equalpos(pos
, firstpos
)))
15166 /* didn't find it or found the first match again: FAIL */
15169 if (firstpos
.lnum
== 0)
15171 if (equalpos(pos
, foundpos
))
15173 /* Found the same position again. Can happen with a pattern that
15174 * has "\zs" at the end and searching backwards. Advance one
15175 * character and try again. */
15176 if (dir
== BACKWARD
)
15183 /* clear the start flag to avoid getting stuck here */
15184 options
&= ~SEARCH_START
;
15186 /* If the skip pattern matches, ignore this match. */
15189 save_pos
= curwin
->w_cursor
;
15190 curwin
->w_cursor
= pos
;
15191 r
= eval_to_bool(skip
, &err
, NULL
, FALSE
);
15192 curwin
->w_cursor
= save_pos
;
15195 /* Evaluating {skip} caused an error, break here. */
15196 curwin
->w_cursor
= save_cursor
;
15204 if ((dir
== BACKWARD
&& n
== 3) || (dir
== FORWARD
&& n
== 2))
15206 /* Found end when searching backwards or start when searching
15207 * forward: nested pair. */
15209 pat
= pat2
; /* nested, don't search for middle */
15213 /* Found end when searching forward or start when searching
15214 * backward: end of (nested) pair; or found middle in outer pair. */
15216 pat
= pat3
; /* outer level, search for middle */
15221 /* Found the match: return matchcount or line number. */
15222 if (flags
& SP_RETCOUNT
)
15226 if (flags
& SP_SETPCMARK
)
15228 curwin
->w_cursor
= pos
;
15229 if (!(flags
& SP_REPEAT
))
15231 nest
= 1; /* search for next unmatched */
15235 if (match_pos
!= NULL
)
15237 /* Store the match cursor position */
15238 match_pos
->lnum
= curwin
->w_cursor
.lnum
;
15239 match_pos
->col
= curwin
->w_cursor
.col
+ 1;
15242 /* If 'n' flag is used or search failed: restore cursor position. */
15243 if ((flags
& SP_NOMOVE
) || retval
== 0)
15244 curwin
->w_cursor
= save_cursor
;
15249 if (p_cpo
== empty_option
)
15252 /* Darn, evaluating the {skip} expression changed the value. */
15253 free_string_option(save_cpo
);
15259 * "searchpos()" function
15262 f_searchpos(argvars
, rettv
)
15272 if (rettv_list_alloc(rettv
) == FAIL
)
15275 n
= search_cmn(argvars
, &match_pos
, &flags
);
15278 lnum
= match_pos
.lnum
;
15279 col
= match_pos
.col
;
15282 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)lnum
);
15283 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)col
);
15284 if (flags
& SP_SUBPAT
)
15285 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)n
);
15290 f_server2client(argvars
, rettv
)
15291 typval_T
*argvars UNUSED
;
15294 #ifdef FEAT_CLIENTSERVER
15295 char_u buf
[NUMBUFLEN
];
15296 char_u
*server
= get_tv_string_chk(&argvars
[0]);
15297 char_u
*reply
= get_tv_string_buf_chk(&argvars
[1], buf
);
15299 rettv
->vval
.v_number
= -1;
15300 if (server
== NULL
|| reply
== NULL
)
15302 if (check_restricted() || check_secure())
15305 if (check_connection() == FAIL
)
15309 if (serverSendReply(server
, reply
) < 0)
15311 EMSG(_("E258: Unable to send to client"));
15314 rettv
->vval
.v_number
= 0;
15316 rettv
->vval
.v_number
= -1;
15321 f_serverlist(argvars
, rettv
)
15322 typval_T
*argvars UNUSED
;
15327 #ifdef FEAT_CLIENTSERVER
15329 r
= serverGetVimNames();
15332 if (X_DISPLAY
!= NULL
)
15333 r
= serverGetVimNames(X_DISPLAY
);
15336 rettv
->v_type
= VAR_STRING
;
15337 rettv
->vval
.v_string
= r
;
15341 * "setbufvar()" function
15344 f_setbufvar(argvars
, rettv
)
15346 typval_T
*rettv UNUSED
;
15350 char_u
*varname
, *bufvarname
;
15352 char_u nbuf
[NUMBUFLEN
];
15354 if (check_restricted() || check_secure())
15356 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
15357 varname
= get_tv_string_chk(&argvars
[1]);
15358 buf
= get_buf_tv(&argvars
[0]);
15359 varp
= &argvars
[2];
15361 if (buf
!= NULL
&& varname
!= NULL
&& varp
!= NULL
)
15363 /* set curbuf to be our buf, temporarily */
15364 aucmd_prepbuf(&aco
, buf
);
15366 if (*varname
== '&')
15373 numval
= get_tv_number_chk(varp
, &error
);
15374 strval
= get_tv_string_buf_chk(varp
, nbuf
);
15375 if (!error
&& strval
!= NULL
)
15376 set_option_value(varname
, numval
, strval
, OPT_LOCAL
);
15380 bufvarname
= alloc((unsigned)STRLEN(varname
) + 3);
15381 if (bufvarname
!= NULL
)
15383 STRCPY(bufvarname
, "b:");
15384 STRCPY(bufvarname
+ 2, varname
);
15385 set_var(bufvarname
, varp
, TRUE
);
15386 vim_free(bufvarname
);
15390 /* reset notion of buffer */
15391 aucmd_restbuf(&aco
);
15396 * "setcmdpos()" function
15399 f_setcmdpos(argvars
, rettv
)
15403 int pos
= (int)get_tv_number(&argvars
[0]) - 1;
15406 rettv
->vval
.v_number
= set_cmdline_pos(pos
);
15410 * "setline()" function
15413 f_setline(argvars
, rettv
)
15418 char_u
*line
= NULL
;
15420 listitem_T
*li
= NULL
;
15422 linenr_T lcount
= curbuf
->b_ml
.ml_line_count
;
15424 lnum
= get_tv_lnum(&argvars
[0]);
15425 if (argvars
[1].v_type
== VAR_LIST
)
15427 l
= argvars
[1].vval
.v_list
;
15431 line
= get_tv_string_chk(&argvars
[1]);
15433 /* default result is zero == OK */
15438 /* list argument, get next string */
15441 line
= get_tv_string_chk(&li
->li_tv
);
15445 rettv
->vval
.v_number
= 1; /* FAIL */
15446 if (line
== NULL
|| lnum
< 1 || lnum
> curbuf
->b_ml
.ml_line_count
+ 1)
15448 if (lnum
<= curbuf
->b_ml
.ml_line_count
)
15450 /* existing line, replace it */
15451 if (u_savesub(lnum
) == OK
&& ml_replace(lnum
, line
, TRUE
) == OK
)
15453 changed_bytes(lnum
, 0);
15454 if (lnum
== curwin
->w_cursor
.lnum
)
15455 check_cursor_col();
15456 rettv
->vval
.v_number
= 0; /* OK */
15459 else if (added
> 0 || u_save(lnum
- 1, lnum
) == OK
)
15461 /* lnum is one past the last line, append the line */
15463 if (ml_append(lnum
- 1, line
, (colnr_T
)0, FALSE
) == OK
)
15464 rettv
->vval
.v_number
= 0; /* OK */
15467 if (l
== NULL
) /* only one string argument */
15473 appended_lines_mark(lcount
, added
);
15476 static void set_qf_ll_list
__ARGS((win_T
*wp
, typval_T
*list_arg
, typval_T
*action_arg
, typval_T
*rettv
));
15479 * Used by "setqflist()" and "setloclist()" functions
15482 set_qf_ll_list(wp
, list_arg
, action_arg
, rettv
)
15484 typval_T
*list_arg UNUSED
;
15485 typval_T
*action_arg UNUSED
;
15488 #ifdef FEAT_QUICKFIX
15493 rettv
->vval
.v_number
= -1;
15495 #ifdef FEAT_QUICKFIX
15496 if (list_arg
->v_type
!= VAR_LIST
)
15497 EMSG(_(e_listreq
));
15500 list_T
*l
= list_arg
->vval
.v_list
;
15502 if (action_arg
->v_type
== VAR_STRING
)
15504 act
= get_tv_string_chk(action_arg
);
15506 return; /* type error; errmsg already given */
15507 if (*act
== 'a' || *act
== 'r')
15511 if (l
!= NULL
&& set_errorlist(wp
, l
, action
) == OK
)
15512 rettv
->vval
.v_number
= 0;
15518 * "setloclist()" function
15521 f_setloclist(argvars
, rettv
)
15527 rettv
->vval
.v_number
= -1;
15529 win
= find_win_by_nr(&argvars
[0], NULL
);
15531 set_qf_ll_list(win
, &argvars
[1], &argvars
[2], rettv
);
15535 * "setmatches()" function
15538 f_setmatches(argvars
, rettv
)
15542 #ifdef FEAT_SEARCH_EXTRA
15547 rettv
->vval
.v_number
= -1;
15548 if (argvars
[0].v_type
!= VAR_LIST
)
15550 EMSG(_(e_listreq
));
15553 if ((l
= argvars
[0].vval
.v_list
) != NULL
)
15556 /* To some extent make sure that we are dealing with a list from
15557 * "getmatches()". */
15561 if (li
->li_tv
.v_type
!= VAR_DICT
15562 || (d
= li
->li_tv
.vval
.v_dict
) == NULL
)
15567 if (!(dict_find(d
, (char_u
*)"group", -1) != NULL
15568 && dict_find(d
, (char_u
*)"pattern", -1) != NULL
15569 && dict_find(d
, (char_u
*)"priority", -1) != NULL
15570 && dict_find(d
, (char_u
*)"id", -1) != NULL
))
15578 clear_matches(curwin
);
15582 d
= li
->li_tv
.vval
.v_dict
;
15583 match_add(curwin
, get_dict_string(d
, (char_u
*)"group", FALSE
),
15584 get_dict_string(d
, (char_u
*)"pattern", FALSE
),
15585 (int)get_dict_number(d
, (char_u
*)"priority"),
15586 (int)get_dict_number(d
, (char_u
*)"id"));
15589 rettv
->vval
.v_number
= 0;
15595 * "setpos()" function
15598 f_setpos(argvars
, rettv
)
15606 rettv
->vval
.v_number
= -1;
15607 name
= get_tv_string_chk(argvars
);
15610 if (list2fpos(&argvars
[1], &pos
, &fnum
) == OK
)
15614 if (name
[0] == '.' && name
[1] == NUL
)
15617 if (fnum
== curbuf
->b_fnum
)
15619 curwin
->w_cursor
= pos
;
15621 rettv
->vval
.v_number
= 0;
15626 else if (name
[0] == '\'' && name
[1] != NUL
&& name
[2] == NUL
)
15629 if (setmark_pos(name
[1], &pos
, fnum
) == OK
)
15630 rettv
->vval
.v_number
= 0;
15639 * "setqflist()" function
15642 f_setqflist(argvars
, rettv
)
15646 set_qf_ll_list(NULL
, &argvars
[0], &argvars
[1], rettv
);
15650 * "setreg()" function
15653 f_setreg(argvars
, rettv
)
15658 char_u
*strregname
;
15669 strregname
= get_tv_string_chk(argvars
);
15670 rettv
->vval
.v_number
= 1; /* FAIL is default */
15672 if (strregname
== NULL
)
15673 return; /* type error; errmsg already given */
15674 regname
= *strregname
;
15675 if (regname
== 0 || regname
== '@')
15677 else if (regname
== '=')
15680 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
15682 stropt
= get_tv_string_chk(&argvars
[2]);
15683 if (stropt
== NULL
)
15684 return; /* type error */
15685 for (; *stropt
!= NUL
; ++stropt
)
15688 case 'a': case 'A': /* append */
15691 case 'v': case 'c': /* character-wise selection */
15694 case 'V': case 'l': /* line-wise selection */
15698 case 'b': case Ctrl_V
: /* block-wise selection */
15699 yank_type
= MBLOCK
;
15700 if (VIM_ISDIGIT(stropt
[1]))
15703 block_len
= getdigits(&stropt
) - 1;
15711 strval
= get_tv_string_chk(&argvars
[1]);
15712 if (strval
!= NULL
)
15713 write_reg_contents_ex(regname
, strval
, -1,
15714 append
, yank_type
, block_len
);
15715 rettv
->vval
.v_number
= 0;
15719 * "settabwinvar()" function
15722 f_settabwinvar(argvars
, rettv
)
15726 setwinvar(argvars
, rettv
, 1);
15730 * "setwinvar()" function
15733 f_setwinvar(argvars
, rettv
)
15737 setwinvar(argvars
, rettv
, 0);
15741 * "setwinvar()" and "settabwinvar()" functions
15744 setwinvar(argvars
, rettv
, off
)
15746 typval_T
*rettv UNUSED
;
15750 #ifdef FEAT_WINDOWS
15751 win_T
*save_curwin
;
15752 tabpage_T
*save_curtab
;
15754 char_u
*varname
, *winvarname
;
15756 char_u nbuf
[NUMBUFLEN
];
15759 if (check_restricted() || check_secure())
15762 #ifdef FEAT_WINDOWS
15764 tp
= find_tabpage((int)get_tv_number_chk(&argvars
[0], NULL
));
15768 win
= find_win_by_nr(&argvars
[off
], tp
);
15769 varname
= get_tv_string_chk(&argvars
[off
+ 1]);
15770 varp
= &argvars
[off
+ 2];
15772 if (win
!= NULL
&& varname
!= NULL
&& varp
!= NULL
)
15774 #ifdef FEAT_WINDOWS
15775 /* set curwin to be our win, temporarily */
15776 save_curwin
= curwin
;
15777 save_curtab
= curtab
;
15778 goto_tabpage_tp(tp
);
15779 if (!win_valid(win
))
15782 curbuf
= curwin
->w_buffer
;
15785 if (*varname
== '&')
15792 numval
= get_tv_number_chk(varp
, &error
);
15793 strval
= get_tv_string_buf_chk(varp
, nbuf
);
15794 if (!error
&& strval
!= NULL
)
15795 set_option_value(varname
, numval
, strval
, OPT_LOCAL
);
15799 winvarname
= alloc((unsigned)STRLEN(varname
) + 3);
15800 if (winvarname
!= NULL
)
15802 STRCPY(winvarname
, "w:");
15803 STRCPY(winvarname
+ 2, varname
);
15804 set_var(winvarname
, varp
, TRUE
);
15805 vim_free(winvarname
);
15809 #ifdef FEAT_WINDOWS
15810 /* Restore current tabpage and window, if still valid (autocomands can
15811 * make them invalid). */
15812 if (valid_tabpage(save_curtab
))
15813 goto_tabpage_tp(save_curtab
);
15814 if (win_valid(save_curwin
))
15816 curwin
= save_curwin
;
15817 curbuf
= curwin
->w_buffer
;
15824 * "shellescape({string})" function
15827 f_shellescape(argvars
, rettv
)
15831 rettv
->vval
.v_string
= vim_strsave_shellescape(
15832 get_tv_string(&argvars
[0]), non_zero_arg(&argvars
[1]));
15833 rettv
->v_type
= VAR_STRING
;
15837 * "simplify()" function
15840 f_simplify(argvars
, rettv
)
15846 p
= get_tv_string(&argvars
[0]);
15847 rettv
->vval
.v_string
= vim_strsave(p
);
15848 simplify_filename(rettv
->vval
.v_string
); /* simplify in place */
15849 rettv
->v_type
= VAR_STRING
;
15857 f_sin(argvars
, rettv
)
15863 rettv
->v_type
= VAR_FLOAT
;
15864 if (get_float_arg(argvars
, &f
) == OK
)
15865 rettv
->vval
.v_float
= sin(f
);
15867 rettv
->vval
.v_float
= 0.0;
15872 #ifdef __BORLANDC__
15875 item_compare
__ARGS((const void *s1
, const void *s2
));
15877 #ifdef __BORLANDC__
15880 item_compare2
__ARGS((const void *s1
, const void *s2
));
15882 static int item_compare_ic
;
15883 static char_u
*item_compare_func
;
15884 static int item_compare_func_err
;
15885 #define ITEM_COMPARE_FAIL 999
15888 * Compare functions for f_sort() below.
15891 #ifdef __BORLANDC__
15894 item_compare(s1
, s2
)
15899 char_u
*tofree1
, *tofree2
;
15901 char_u numbuf1
[NUMBUFLEN
];
15902 char_u numbuf2
[NUMBUFLEN
];
15904 p1
= tv2string(&(*(listitem_T
**)s1
)->li_tv
, &tofree1
, numbuf1
, 0);
15905 p2
= tv2string(&(*(listitem_T
**)s2
)->li_tv
, &tofree2
, numbuf2
, 0);
15910 if (item_compare_ic
)
15911 res
= STRICMP(p1
, p2
);
15913 res
= STRCMP(p1
, p2
);
15920 #ifdef __BORLANDC__
15923 item_compare2(s1
, s2
)
15932 /* shortcut after failure in previous call; compare all items equal */
15933 if (item_compare_func_err
)
15936 /* copy the values. This is needed to be able to set v_lock to VAR_FIXED
15937 * in the copy without changing the original list items. */
15938 copy_tv(&(*(listitem_T
**)s1
)->li_tv
, &argv
[0]);
15939 copy_tv(&(*(listitem_T
**)s2
)->li_tv
, &argv
[1]);
15941 rettv
.v_type
= VAR_UNKNOWN
; /* clear_tv() uses this */
15942 res
= call_func(item_compare_func
, (int)STRLEN(item_compare_func
),
15943 &rettv
, 2, argv
, 0L, 0L, &dummy
, TRUE
, NULL
);
15944 clear_tv(&argv
[0]);
15945 clear_tv(&argv
[1]);
15948 res
= ITEM_COMPARE_FAIL
;
15950 res
= get_tv_number_chk(&rettv
, &item_compare_func_err
);
15951 if (item_compare_func_err
)
15952 res
= ITEM_COMPARE_FAIL
; /* return value has wrong type */
15958 * "sort({list})" function
15961 f_sort(argvars
, rettv
)
15971 if (argvars
[0].v_type
!= VAR_LIST
)
15972 EMSG2(_(e_listarg
), "sort()");
15975 l
= argvars
[0].vval
.v_list
;
15976 if (l
== NULL
|| tv_check_lock(l
->lv_lock
, (char_u
*)"sort()"))
15978 rettv
->vval
.v_list
= l
;
15979 rettv
->v_type
= VAR_LIST
;
15984 return; /* short list sorts pretty quickly */
15986 item_compare_ic
= FALSE
;
15987 item_compare_func
= NULL
;
15988 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
15990 if (argvars
[1].v_type
== VAR_FUNC
)
15991 item_compare_func
= argvars
[1].vval
.v_string
;
15996 i
= get_tv_number_chk(&argvars
[1], &error
);
15998 return; /* type error; errmsg already given */
16000 item_compare_ic
= TRUE
;
16002 item_compare_func
= get_tv_string(&argvars
[1]);
16006 /* Make an array with each entry pointing to an item in the List. */
16007 ptrs
= (listitem_T
**)alloc((int)(len
* sizeof(listitem_T
*)));
16011 for (li
= l
->lv_first
; li
!= NULL
; li
= li
->li_next
)
16014 item_compare_func_err
= FALSE
;
16015 /* test the compare function */
16016 if (item_compare_func
!= NULL
16017 && item_compare2((void *)&ptrs
[0], (void *)&ptrs
[1])
16018 == ITEM_COMPARE_FAIL
)
16019 EMSG(_("E702: Sort compare function failed"));
16022 /* Sort the array with item pointers. */
16023 qsort((void *)ptrs
, (size_t)len
, sizeof(listitem_T
*),
16024 item_compare_func
== NULL
? item_compare
: item_compare2
);
16026 if (!item_compare_func_err
)
16028 /* Clear the List and append the items in the sorted order. */
16029 l
->lv_first
= l
->lv_last
= l
->lv_idx_item
= NULL
;
16031 for (i
= 0; i
< len
; ++i
)
16032 list_append(l
, ptrs
[i
]);
16041 * "soundfold({word})" function
16044 f_soundfold(argvars
, rettv
)
16050 rettv
->v_type
= VAR_STRING
;
16051 s
= get_tv_string(&argvars
[0]);
16053 rettv
->vval
.v_string
= eval_soundfold(s
);
16055 rettv
->vval
.v_string
= vim_strsave(s
);
16060 * "spellbadword()" function
16063 f_spellbadword(argvars
, rettv
)
16064 typval_T
*argvars UNUSED
;
16067 char_u
*word
= (char_u
*)"";
16068 hlf_T attr
= HLF_COUNT
;
16071 if (rettv_list_alloc(rettv
) == FAIL
)
16075 if (argvars
[0].v_type
== VAR_UNKNOWN
)
16077 /* Find the start and length of the badly spelled word. */
16078 len
= spell_move_to(curwin
, FORWARD
, TRUE
, TRUE
, &attr
);
16080 word
= ml_get_cursor();
16082 else if (curwin
->w_p_spell
&& *curbuf
->b_p_spl
!= NUL
)
16084 char_u
*str
= get_tv_string_chk(&argvars
[0]);
16089 /* Check the argument for spelling. */
16090 while (*str
!= NUL
)
16092 len
= spell_check(curwin
, str
, &attr
, &capcol
, FALSE
);
16093 if (attr
!= HLF_COUNT
)
16104 list_append_string(rettv
->vval
.v_list
, word
, len
);
16105 list_append_string(rettv
->vval
.v_list
, (char_u
*)(
16106 attr
== HLF_SPB
? "bad" :
16107 attr
== HLF_SPR
? "rare" :
16108 attr
== HLF_SPL
? "local" :
16109 attr
== HLF_SPC
? "caps" :
16114 * "spellsuggest()" function
16117 f_spellsuggest(argvars
, rettv
)
16118 typval_T
*argvars UNUSED
;
16123 int typeerr
= FALSE
;
16128 int need_capital
= FALSE
;
16131 if (rettv_list_alloc(rettv
) == FAIL
)
16135 if (curwin
->w_p_spell
&& *curbuf
->b_p_spl
!= NUL
)
16137 str
= get_tv_string(&argvars
[0]);
16138 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
16140 maxcount
= get_tv_number_chk(&argvars
[1], &typeerr
);
16143 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16145 need_capital
= get_tv_number_chk(&argvars
[2], &typeerr
);
16153 spell_suggest_list(&ga
, str
, maxcount
, need_capital
, FALSE
);
16155 for (i
= 0; i
< ga
.ga_len
; ++i
)
16157 str
= ((char_u
**)ga
.ga_data
)[i
];
16159 li
= listitem_alloc();
16164 li
->li_tv
.v_type
= VAR_STRING
;
16165 li
->li_tv
.v_lock
= 0;
16166 li
->li_tv
.vval
.v_string
= str
;
16167 list_append(rettv
->vval
.v_list
, li
);
16176 f_split(argvars
, rettv
)
16182 char_u
*pat
= NULL
;
16183 regmatch_T regmatch
;
16184 char_u patbuf
[NUMBUFLEN
];
16188 int keepempty
= FALSE
;
16189 int typeerr
= FALSE
;
16191 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
16193 p_cpo
= (char_u
*)"";
16195 str
= get_tv_string(&argvars
[0]);
16196 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
16198 pat
= get_tv_string_buf_chk(&argvars
[1], patbuf
);
16201 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16202 keepempty
= get_tv_number_chk(&argvars
[2], &typeerr
);
16204 if (pat
== NULL
|| *pat
== NUL
)
16205 pat
= (char_u
*)"[\\x01- ]\\+";
16207 if (rettv_list_alloc(rettv
) == FAIL
)
16212 regmatch
.regprog
= vim_regcomp(pat
, RE_MAGIC
+ RE_STRING
);
16213 if (regmatch
.regprog
!= NULL
)
16215 regmatch
.rm_ic
= FALSE
;
16216 while (*str
!= NUL
|| keepempty
)
16219 match
= FALSE
; /* empty item at the end */
16221 match
= vim_regexec_nl(®match
, str
, col
);
16223 end
= regmatch
.startp
[0];
16225 end
= str
+ STRLEN(str
);
16226 if (keepempty
|| end
> str
|| (rettv
->vval
.v_list
->lv_len
> 0
16227 && *str
!= NUL
&& match
&& end
< regmatch
.endp
[0]))
16229 if (list_append_string(rettv
->vval
.v_list
, str
,
16230 (int)(end
- str
)) == FAIL
)
16235 /* Advance to just after the match. */
16236 if (regmatch
.endp
[0] > str
)
16240 /* Don't get stuck at the same match. */
16242 col
= (*mb_ptr2len
)(regmatch
.endp
[0]);
16247 str
= regmatch
.endp
[0];
16250 vim_free(regmatch
.regprog
);
16258 * "sqrt()" function
16261 f_sqrt(argvars
, rettv
)
16267 rettv
->v_type
= VAR_FLOAT
;
16268 if (get_float_arg(argvars
, &f
) == OK
)
16269 rettv
->vval
.v_float
= sqrt(f
);
16271 rettv
->vval
.v_float
= 0.0;
16275 * "str2float()" function
16278 f_str2float(argvars
, rettv
)
16282 char_u
*p
= skipwhite(get_tv_string(&argvars
[0]));
16285 p
= skipwhite(p
+ 1);
16286 (void)string2float(p
, &rettv
->vval
.v_float
);
16287 rettv
->v_type
= VAR_FLOAT
;
16292 * "str2nr()" function
16295 f_str2nr(argvars
, rettv
)
16303 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
16305 base
= get_tv_number(&argvars
[1]);
16306 if (base
!= 8 && base
!= 10 && base
!= 16)
16313 p
= skipwhite(get_tv_string(&argvars
[0]));
16315 p
= skipwhite(p
+ 1);
16316 vim_str2nr(p
, NULL
, NULL
, base
== 8 ? 2 : 0, base
== 16 ? 2 : 0, &n
, NULL
);
16317 rettv
->vval
.v_number
= n
;
16320 #ifdef HAVE_STRFTIME
16322 * "strftime({format}[, {time}])" function
16325 f_strftime(argvars
, rettv
)
16329 char_u result_buf
[256];
16330 struct tm
*curtime
;
16334 rettv
->v_type
= VAR_STRING
;
16336 p
= get_tv_string(&argvars
[0]);
16337 if (argvars
[1].v_type
== VAR_UNKNOWN
)
16338 seconds
= time(NULL
);
16340 seconds
= (time_t)get_tv_number(&argvars
[1]);
16341 curtime
= localtime(&seconds
);
16342 /* MSVC returns NULL for an invalid value of seconds. */
16343 if (curtime
== NULL
)
16344 rettv
->vval
.v_string
= vim_strsave((char_u
*)_("(Invalid)"));
16351 conv
.vc_type
= CONV_NONE
;
16352 enc
= enc_locale();
16353 convert_setup(&conv
, p_enc
, enc
);
16354 if (conv
.vc_type
!= CONV_NONE
)
16355 p
= string_convert(&conv
, p
, NULL
);
16358 (void)strftime((char *)result_buf
, sizeof(result_buf
),
16359 (char *)p
, curtime
);
16361 result_buf
[0] = NUL
;
16364 if (conv
.vc_type
!= CONV_NONE
)
16366 convert_setup(&conv
, enc
, p_enc
);
16367 if (conv
.vc_type
!= CONV_NONE
)
16368 rettv
->vval
.v_string
= string_convert(&conv
, result_buf
, NULL
);
16371 rettv
->vval
.v_string
= vim_strsave(result_buf
);
16374 /* Release conversion descriptors */
16375 convert_setup(&conv
, NULL
, NULL
);
16383 * "stridx()" function
16386 f_stridx(argvars
, rettv
)
16390 char_u buf
[NUMBUFLEN
];
16393 char_u
*save_haystack
;
16397 needle
= get_tv_string_chk(&argvars
[1]);
16398 save_haystack
= haystack
= get_tv_string_buf_chk(&argvars
[0], buf
);
16399 rettv
->vval
.v_number
= -1;
16400 if (needle
== NULL
|| haystack
== NULL
)
16401 return; /* type error; errmsg already given */
16403 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16407 start_idx
= get_tv_number_chk(&argvars
[2], &error
);
16408 if (error
|| start_idx
>= (int)STRLEN(haystack
))
16410 if (start_idx
>= 0)
16411 haystack
+= start_idx
;
16414 pos
= (char_u
*)strstr((char *)haystack
, (char *)needle
);
16416 rettv
->vval
.v_number
= (varnumber_T
)(pos
- save_haystack
);
16420 * "string()" function
16423 f_string(argvars
, rettv
)
16428 char_u numbuf
[NUMBUFLEN
];
16430 rettv
->v_type
= VAR_STRING
;
16431 rettv
->vval
.v_string
= tv2string(&argvars
[0], &tofree
, numbuf
, 0);
16432 /* Make a copy if we have a value but it's not in allocated memory. */
16433 if (rettv
->vval
.v_string
!= NULL
&& tofree
== NULL
)
16434 rettv
->vval
.v_string
= vim_strsave(rettv
->vval
.v_string
);
16438 * "strlen()" function
16441 f_strlen(argvars
, rettv
)
16445 rettv
->vval
.v_number
= (varnumber_T
)(STRLEN(
16446 get_tv_string(&argvars
[0])));
16450 * "strpart()" function
16453 f_strpart(argvars
, rettv
)
16463 p
= get_tv_string(&argvars
[0]);
16464 slen
= (int)STRLEN(p
);
16466 n
= get_tv_number_chk(&argvars
[1], &error
);
16469 else if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16470 len
= get_tv_number(&argvars
[2]);
16472 len
= slen
- n
; /* default len: all bytes that are available. */
16475 * Only return the overlap between the specified part and the actual
16487 else if (n
+ len
> slen
)
16490 rettv
->v_type
= VAR_STRING
;
16491 rettv
->vval
.v_string
= vim_strnsave(p
+ n
, len
);
16495 * "strridx()" function
16498 f_strridx(argvars
, rettv
)
16502 char_u buf
[NUMBUFLEN
];
16506 char_u
*lastmatch
= NULL
;
16507 int haystack_len
, end_idx
;
16509 needle
= get_tv_string_chk(&argvars
[1]);
16510 haystack
= get_tv_string_buf_chk(&argvars
[0], buf
);
16512 rettv
->vval
.v_number
= -1;
16513 if (needle
== NULL
|| haystack
== NULL
)
16514 return; /* type error; errmsg already given */
16516 haystack_len
= (int)STRLEN(haystack
);
16517 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16519 /* Third argument: upper limit for index */
16520 end_idx
= get_tv_number_chk(&argvars
[2], NULL
);
16522 return; /* can never find a match */
16525 end_idx
= haystack_len
;
16527 if (*needle
== NUL
)
16529 /* Empty string matches past the end. */
16530 lastmatch
= haystack
+ end_idx
;
16534 for (rest
= haystack
; *rest
!= '\0'; ++rest
)
16536 rest
= (char_u
*)strstr((char *)rest
, (char *)needle
);
16537 if (rest
== NULL
|| rest
> haystack
+ end_idx
)
16543 if (lastmatch
== NULL
)
16544 rettv
->vval
.v_number
= -1;
16546 rettv
->vval
.v_number
= (varnumber_T
)(lastmatch
- haystack
);
16550 * "strtrans()" function
16553 f_strtrans(argvars
, rettv
)
16557 rettv
->v_type
= VAR_STRING
;
16558 rettv
->vval
.v_string
= transstr(get_tv_string(&argvars
[0]));
16562 * "submatch()" function
16565 f_submatch(argvars
, rettv
)
16569 rettv
->v_type
= VAR_STRING
;
16570 rettv
->vval
.v_string
=
16571 reg_submatch((int)get_tv_number_chk(&argvars
[0], NULL
));
16575 * "substitute()" function
16578 f_substitute(argvars
, rettv
)
16582 char_u patbuf
[NUMBUFLEN
];
16583 char_u subbuf
[NUMBUFLEN
];
16584 char_u flagsbuf
[NUMBUFLEN
];
16586 char_u
*str
= get_tv_string_chk(&argvars
[0]);
16587 char_u
*pat
= get_tv_string_buf_chk(&argvars
[1], patbuf
);
16588 char_u
*sub
= get_tv_string_buf_chk(&argvars
[2], subbuf
);
16589 char_u
*flg
= get_tv_string_buf_chk(&argvars
[3], flagsbuf
);
16591 rettv
->v_type
= VAR_STRING
;
16592 if (str
== NULL
|| pat
== NULL
|| sub
== NULL
|| flg
== NULL
)
16593 rettv
->vval
.v_string
= NULL
;
16595 rettv
->vval
.v_string
= do_string_sub(str
, pat
, sub
, flg
);
16599 * "synID(lnum, col, trans)" function
16602 f_synID(argvars
, rettv
)
16603 typval_T
*argvars UNUSED
;
16611 int transerr
= FALSE
;
16613 lnum
= get_tv_lnum(argvars
); /* -1 on type error */
16614 col
= get_tv_number(&argvars
[1]) - 1; /* -1 on type error */
16615 trans
= get_tv_number_chk(&argvars
[2], &transerr
);
16617 if (!transerr
&& lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
16618 && col
>= 0 && col
< (long)STRLEN(ml_get(lnum
)))
16619 id
= syn_get_id(curwin
, lnum
, (colnr_T
)col
, trans
, NULL
, FALSE
);
16622 rettv
->vval
.v_number
= id
;
16626 * "synIDattr(id, what [, mode])" function
16629 f_synIDattr(argvars
, rettv
)
16630 typval_T
*argvars UNUSED
;
16638 char_u modebuf
[NUMBUFLEN
];
16641 id
= get_tv_number(&argvars
[0]);
16642 what
= get_tv_string(&argvars
[1]);
16643 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16645 mode
= get_tv_string_buf(&argvars
[2], modebuf
);
16646 modec
= TOLOWER_ASC(mode
[0]);
16647 if (modec
!= 't' && modec
!= 'c'
16652 modec
= 0; /* replace invalid with current */
16668 switch (TOLOWER_ASC(what
[0]))
16671 if (TOLOWER_ASC(what
[1]) == 'g') /* bg[#] */
16672 p
= highlight_color(id
, what
, modec
);
16674 p
= highlight_has_attr(id
, HL_BOLD
, modec
);
16677 case 'f': /* fg[#] or font */
16678 p
= highlight_color(id
, what
, modec
);
16682 if (TOLOWER_ASC(what
[1]) == 'n') /* inverse */
16683 p
= highlight_has_attr(id
, HL_INVERSE
, modec
);
16685 p
= highlight_has_attr(id
, HL_ITALIC
, modec
);
16688 case 'n': /* name */
16689 p
= get_highlight_name(NULL
, id
- 1);
16692 case 'r': /* reverse */
16693 p
= highlight_has_attr(id
, HL_INVERSE
, modec
);
16697 if (TOLOWER_ASC(what
[1]) == 'p') /* sp[#] */
16698 p
= highlight_color(id
, what
, modec
);
16699 else /* standout */
16700 p
= highlight_has_attr(id
, HL_STANDOUT
, modec
);
16704 if (STRLEN(what
) <= 5 || TOLOWER_ASC(what
[5]) != 'c')
16706 p
= highlight_has_attr(id
, HL_UNDERLINE
, modec
);
16709 p
= highlight_has_attr(id
, HL_UNDERCURL
, modec
);
16714 p
= vim_strsave(p
);
16716 rettv
->v_type
= VAR_STRING
;
16717 rettv
->vval
.v_string
= p
;
16721 * "synIDtrans(id)" function
16724 f_synIDtrans(argvars
, rettv
)
16725 typval_T
*argvars UNUSED
;
16731 id
= get_tv_number(&argvars
[0]);
16734 id
= syn_get_final_id(id
);
16739 rettv
->vval
.v_number
= id
;
16743 * "synstack(lnum, col)" function
16746 f_synstack(argvars
, rettv
)
16747 typval_T
*argvars UNUSED
;
16757 rettv
->v_type
= VAR_LIST
;
16758 rettv
->vval
.v_list
= NULL
;
16761 lnum
= get_tv_lnum(argvars
); /* -1 on type error */
16762 col
= get_tv_number(&argvars
[1]) - 1; /* -1 on type error */
16764 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
16765 && col
>= 0 && (col
== 0 || col
< (long)STRLEN(ml_get(lnum
)))
16766 && rettv_list_alloc(rettv
) != FAIL
)
16768 (void)syn_get_id(curwin
, lnum
, (colnr_T
)col
, FALSE
, NULL
, TRUE
);
16771 id
= syn_get_stack_item(i
);
16774 if (list_append_number(rettv
->vval
.v_list
, id
) == FAIL
)
16782 * "system()" function
16785 f_system(argvars
, rettv
)
16789 char_u
*res
= NULL
;
16791 char_u
*infile
= NULL
;
16792 char_u buf
[NUMBUFLEN
];
16796 if (check_restricted() || check_secure())
16799 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
16802 * Write the string to a temp file, to be used for input of the shell
16805 if ((infile
= vim_tempname('i')) == NULL
)
16811 fd
= mch_fopen((char *)infile
, WRITEBIN
);
16814 EMSG2(_(e_notopen
), infile
);
16817 p
= get_tv_string_buf_chk(&argvars
[1], buf
);
16821 goto done
; /* type error; errmsg already given */
16823 if (fwrite(p
, STRLEN(p
), 1, fd
) != 1)
16825 if (fclose(fd
) != 0)
16829 EMSG(_("E677: Error writing temp file"));
16834 res
= get_cmd_output(get_tv_string(&argvars
[0]), infile
,
16835 SHELL_SILENT
| SHELL_COOKED
);
16838 /* translate <CR> into <NL> */
16843 for (s
= res
; *s
; ++s
)
16851 /* translate <CR><NL> into <NL> */
16857 for (s
= res
; *s
; ++s
)
16859 if (s
[0] == CAR
&& s
[1] == NL
)
16869 if (infile
!= NULL
)
16871 mch_remove(infile
);
16874 rettv
->v_type
= VAR_STRING
;
16875 rettv
->vval
.v_string
= res
;
16879 * "tabpagebuflist()" function
16882 f_tabpagebuflist(argvars
, rettv
)
16883 typval_T
*argvars UNUSED
;
16884 typval_T
*rettv UNUSED
;
16886 #ifdef FEAT_WINDOWS
16890 if (argvars
[0].v_type
== VAR_UNKNOWN
)
16894 tp
= find_tabpage((int)get_tv_number(&argvars
[0]));
16896 wp
= (tp
== curtab
) ? firstwin
: tp
->tp_firstwin
;
16898 if (wp
!= NULL
&& rettv_list_alloc(rettv
) != FAIL
)
16900 for (; wp
!= NULL
; wp
= wp
->w_next
)
16901 if (list_append_number(rettv
->vval
.v_list
,
16902 wp
->w_buffer
->b_fnum
) == FAIL
)
16910 * "tabpagenr()" function
16913 f_tabpagenr(argvars
, rettv
)
16914 typval_T
*argvars UNUSED
;
16918 #ifdef FEAT_WINDOWS
16921 if (argvars
[0].v_type
!= VAR_UNKNOWN
)
16923 arg
= get_tv_string_chk(&argvars
[0]);
16927 if (STRCMP(arg
, "$") == 0)
16928 nr
= tabpage_index(NULL
) - 1;
16930 EMSG2(_(e_invexpr2
), arg
);
16934 nr
= tabpage_index(curtab
);
16936 rettv
->vval
.v_number
= nr
;
16940 #ifdef FEAT_WINDOWS
16941 static int get_winnr
__ARGS((tabpage_T
*tp
, typval_T
*argvar
));
16944 * Common code for tabpagewinnr() and winnr().
16947 get_winnr(tp
, argvar
)
16956 twin
= (tp
== curtab
) ? curwin
: tp
->tp_curwin
;
16957 if (argvar
->v_type
!= VAR_UNKNOWN
)
16959 arg
= get_tv_string_chk(argvar
);
16961 nr
= 0; /* type error; errmsg already given */
16962 else if (STRCMP(arg
, "$") == 0)
16963 twin
= (tp
== curtab
) ? lastwin
: tp
->tp_lastwin
;
16964 else if (STRCMP(arg
, "#") == 0)
16966 twin
= (tp
== curtab
) ? prevwin
: tp
->tp_prevwin
;
16972 EMSG2(_(e_invexpr2
), arg
);
16978 for (wp
= (tp
== curtab
) ? firstwin
: tp
->tp_firstwin
;
16979 wp
!= twin
; wp
= wp
->w_next
)
16983 /* didn't find it in this tabpage */
16994 * "tabpagewinnr()" function
16997 f_tabpagewinnr(argvars
, rettv
)
16998 typval_T
*argvars UNUSED
;
17002 #ifdef FEAT_WINDOWS
17005 tp
= find_tabpage((int)get_tv_number(&argvars
[0]));
17009 nr
= get_winnr(tp
, &argvars
[1]);
17011 rettv
->vval
.v_number
= nr
;
17016 * "tagfiles()" function
17019 f_tagfiles(argvars
, rettv
)
17020 typval_T
*argvars UNUSED
;
17023 char_u fname
[MAXPATHL
+ 1];
17027 if (rettv_list_alloc(rettv
) == FAIL
)
17030 for (first
= TRUE
; ; first
= FALSE
)
17031 if (get_tagfname(&tn
, first
, fname
) == FAIL
17032 || list_append_string(rettv
->vval
.v_list
, fname
, -1) == FAIL
)
17038 * "taglist()" function
17041 f_taglist(argvars
, rettv
)
17045 char_u
*tag_pattern
;
17047 tag_pattern
= get_tv_string(&argvars
[0]);
17049 rettv
->vval
.v_number
= FALSE
;
17050 if (*tag_pattern
== NUL
)
17053 if (rettv_list_alloc(rettv
) == OK
)
17054 (void)get_tags(rettv
->vval
.v_list
, tag_pattern
);
17058 * "tempname()" function
17061 f_tempname(argvars
, rettv
)
17062 typval_T
*argvars UNUSED
;
17065 static int x
= 'A';
17067 rettv
->v_type
= VAR_STRING
;
17068 rettv
->vval
.v_string
= vim_tempname(x
);
17070 /* Advance 'x' to use A-Z and 0-9, so that there are at least 34 different
17071 * names. Skip 'I' and 'O', they are used for shell redirection. */
17089 } while (x
== 'I' || x
== 'O');
17093 * "test(list)" function: Just checking the walls...
17096 f_test(argvars
, rettv
)
17097 typval_T
*argvars UNUSED
;
17098 typval_T
*rettv UNUSED
;
17100 /* Used for unit testing. Change the code below to your liking. */
17104 char_u
*bad
, *good
;
17106 if (argvars
[0].v_type
!= VAR_LIST
)
17108 l
= argvars
[0].vval
.v_list
;
17114 bad
= get_tv_string(&li
->li_tv
);
17118 good
= get_tv_string(&li
->li_tv
);
17119 rettv
->vval
.v_number
= test_edit_score(bad
, good
);
17124 * "tolower(string)" function
17127 f_tolower(argvars
, rettv
)
17133 p
= vim_strsave(get_tv_string(&argvars
[0]));
17134 rettv
->v_type
= VAR_STRING
;
17135 rettv
->vval
.v_string
= p
;
17147 c
= utf_ptr2char(p
);
17148 lc
= utf_tolower(c
);
17149 l
= utf_ptr2len(p
);
17150 /* TODO: reallocate string when byte count changes. */
17151 if (utf_char2len(lc
) == l
)
17152 utf_char2bytes(lc
, p
);
17155 else if (has_mbyte
&& (l
= (*mb_ptr2len
)(p
)) > 1)
17156 p
+= l
; /* skip multi-byte character */
17160 *p
= TOLOWER_LOC(*p
); /* note that tolower() can be a macro */
17167 * "toupper(string)" function
17170 f_toupper(argvars
, rettv
)
17174 rettv
->v_type
= VAR_STRING
;
17175 rettv
->vval
.v_string
= strup_save(get_tv_string(&argvars
[0]));
17179 * "tr(string, fromstr, tostr)" function
17182 f_tr(argvars
, rettv
)
17199 char_u buf
[NUMBUFLEN
];
17200 char_u buf2
[NUMBUFLEN
];
17203 instr
= get_tv_string(&argvars
[0]);
17204 fromstr
= get_tv_string_buf_chk(&argvars
[1], buf
);
17205 tostr
= get_tv_string_buf_chk(&argvars
[2], buf2
);
17207 /* Default return value: empty string. */
17208 rettv
->v_type
= VAR_STRING
;
17209 rettv
->vval
.v_string
= NULL
;
17210 if (fromstr
== NULL
|| tostr
== NULL
)
17211 return; /* type error; errmsg already given */
17212 ga_init2(&ga
, (int)sizeof(char), 80);
17217 /* not multi-byte: fromstr and tostr must be the same length */
17218 if (STRLEN(fromstr
) != STRLEN(tostr
))
17223 EMSG2(_(e_invarg2
), fromstr
);
17228 /* fromstr and tostr have to contain the same number of chars */
17229 while (*instr
!= NUL
)
17234 inlen
= (*mb_ptr2len
)(instr
);
17238 for (p
= fromstr
; *p
!= NUL
; p
+= fromlen
)
17240 fromlen
= (*mb_ptr2len
)(p
);
17241 if (fromlen
== inlen
&& STRNCMP(instr
, p
, inlen
) == 0)
17243 for (p
= tostr
; *p
!= NUL
; p
+= tolen
)
17245 tolen
= (*mb_ptr2len
)(p
);
17253 if (*p
== NUL
) /* tostr is shorter than fromstr */
17260 if (first
&& cpstr
== instr
)
17262 /* Check that fromstr and tostr have the same number of
17263 * (multi-byte) characters. Done only once when a character
17264 * of instr doesn't appear in fromstr. */
17266 for (p
= tostr
; *p
!= NUL
; p
+= tolen
)
17268 tolen
= (*mb_ptr2len
)(p
);
17275 ga_grow(&ga
, cplen
);
17276 mch_memmove((char *)ga
.ga_data
+ ga
.ga_len
, cpstr
, (size_t)cplen
);
17277 ga
.ga_len
+= cplen
;
17284 /* When not using multi-byte chars we can do it faster. */
17285 p
= vim_strchr(fromstr
, *instr
);
17287 ga_append(&ga
, tostr
[p
- fromstr
]);
17289 ga_append(&ga
, *instr
);
17294 /* add a terminating NUL */
17296 ga_append(&ga
, NUL
);
17298 rettv
->vval
.v_string
= ga
.ga_data
;
17303 * "trunc({float})" function
17306 f_trunc(argvars
, rettv
)
17312 rettv
->v_type
= VAR_FLOAT
;
17313 if (get_float_arg(argvars
, &f
) == OK
)
17314 /* trunc() is not in C90, use floor() or ceil() instead. */
17315 rettv
->vval
.v_float
= f
> 0 ? floor(f
) : ceil(f
);
17317 rettv
->vval
.v_float
= 0.0;
17322 * "type(expr)" function
17325 f_type(argvars
, rettv
)
17331 switch (argvars
[0].v_type
)
17333 case VAR_NUMBER
: n
= 0; break;
17334 case VAR_STRING
: n
= 1; break;
17335 case VAR_FUNC
: n
= 2; break;
17336 case VAR_LIST
: n
= 3; break;
17337 case VAR_DICT
: n
= 4; break;
17339 case VAR_FLOAT
: n
= 5; break;
17341 default: EMSG2(_(e_intern2
), "f_type()"); n
= 0; break;
17343 rettv
->vval
.v_number
= n
;
17347 * "values(dict)" function
17350 f_values(argvars
, rettv
)
17354 dict_list(argvars
, rettv
, 1);
17358 * "virtcol(string)" function
17361 f_virtcol(argvars
, rettv
)
17367 int fnum
= curbuf
->b_fnum
;
17369 fp
= var2fpos(&argvars
[0], FALSE
, &fnum
);
17370 if (fp
!= NULL
&& fp
->lnum
<= curbuf
->b_ml
.ml_line_count
17371 && fnum
== curbuf
->b_fnum
)
17373 getvvcol(curwin
, fp
, NULL
, NULL
, &vcol
);
17377 rettv
->vval
.v_number
= vcol
;
17381 * "visualmode()" function
17384 f_visualmode(argvars
, rettv
)
17385 typval_T
*argvars UNUSED
;
17386 typval_T
*rettv UNUSED
;
17391 rettv
->v_type
= VAR_STRING
;
17392 str
[0] = curbuf
->b_visual_mode_eval
;
17394 rettv
->vval
.v_string
= vim_strsave(str
);
17396 /* A non-zero number or non-empty string argument: reset mode. */
17397 if (non_zero_arg(&argvars
[0]))
17398 curbuf
->b_visual_mode_eval
= NUL
;
17403 * "winbufnr(nr)" function
17406 f_winbufnr(argvars
, rettv
)
17412 wp
= find_win_by_nr(&argvars
[0], NULL
);
17414 rettv
->vval
.v_number
= -1;
17416 rettv
->vval
.v_number
= wp
->w_buffer
->b_fnum
;
17420 * "wincol()" function
17423 f_wincol(argvars
, rettv
)
17424 typval_T
*argvars UNUSED
;
17428 rettv
->vval
.v_number
= curwin
->w_wcol
+ 1;
17432 * "winheight(nr)" function
17435 f_winheight(argvars
, rettv
)
17441 wp
= find_win_by_nr(&argvars
[0], NULL
);
17443 rettv
->vval
.v_number
= -1;
17445 rettv
->vval
.v_number
= wp
->w_height
;
17449 * "winline()" function
17452 f_winline(argvars
, rettv
)
17453 typval_T
*argvars UNUSED
;
17457 rettv
->vval
.v_number
= curwin
->w_wrow
+ 1;
17461 * "winnr()" function
17464 f_winnr(argvars
, rettv
)
17465 typval_T
*argvars UNUSED
;
17470 #ifdef FEAT_WINDOWS
17471 nr
= get_winnr(curtab
, &argvars
[0]);
17473 rettv
->vval
.v_number
= nr
;
17477 * "winrestcmd()" function
17480 f_winrestcmd(argvars
, rettv
)
17481 typval_T
*argvars UNUSED
;
17484 #ifdef FEAT_WINDOWS
17490 ga_init2(&ga
, (int)sizeof(char), 70);
17491 for (wp
= firstwin
; wp
!= NULL
; wp
= wp
->w_next
)
17493 sprintf((char *)buf
, "%dresize %d|", winnr
, wp
->w_height
);
17494 ga_concat(&ga
, buf
);
17495 # ifdef FEAT_VERTSPLIT
17496 sprintf((char *)buf
, "vert %dresize %d|", winnr
, wp
->w_width
);
17497 ga_concat(&ga
, buf
);
17501 ga_append(&ga
, NUL
);
17503 rettv
->vval
.v_string
= ga
.ga_data
;
17505 rettv
->vval
.v_string
= NULL
;
17507 rettv
->v_type
= VAR_STRING
;
17511 * "winrestview()" function
17514 f_winrestview(argvars
, rettv
)
17516 typval_T
*rettv UNUSED
;
17520 if (argvars
[0].v_type
!= VAR_DICT
17521 || (dict
= argvars
[0].vval
.v_dict
) == NULL
)
17525 curwin
->w_cursor
.lnum
= get_dict_number(dict
, (char_u
*)"lnum");
17526 curwin
->w_cursor
.col
= get_dict_number(dict
, (char_u
*)"col");
17527 #ifdef FEAT_VIRTUALEDIT
17528 curwin
->w_cursor
.coladd
= get_dict_number(dict
, (char_u
*)"coladd");
17530 curwin
->w_curswant
= get_dict_number(dict
, (char_u
*)"curswant");
17531 curwin
->w_set_curswant
= FALSE
;
17533 set_topline(curwin
, get_dict_number(dict
, (char_u
*)"topline"));
17535 curwin
->w_topfill
= get_dict_number(dict
, (char_u
*)"topfill");
17537 curwin
->w_leftcol
= get_dict_number(dict
, (char_u
*)"leftcol");
17538 curwin
->w_skipcol
= get_dict_number(dict
, (char_u
*)"skipcol");
17541 changed_cline_bef_curs();
17542 invalidate_botline();
17543 redraw_later(VALID
);
17545 if (curwin
->w_topline
== 0)
17546 curwin
->w_topline
= 1;
17547 if (curwin
->w_topline
> curbuf
->b_ml
.ml_line_count
)
17548 curwin
->w_topline
= curbuf
->b_ml
.ml_line_count
;
17550 check_topfill(curwin
, TRUE
);
17556 * "winsaveview()" function
17559 f_winsaveview(argvars
, rettv
)
17560 typval_T
*argvars UNUSED
;
17565 dict
= dict_alloc();
17568 rettv
->v_type
= VAR_DICT
;
17569 rettv
->vval
.v_dict
= dict
;
17570 ++dict
->dv_refcount
;
17572 dict_add_nr_str(dict
, "lnum", (long)curwin
->w_cursor
.lnum
, NULL
);
17573 dict_add_nr_str(dict
, "col", (long)curwin
->w_cursor
.col
, NULL
);
17574 #ifdef FEAT_VIRTUALEDIT
17575 dict_add_nr_str(dict
, "coladd", (long)curwin
->w_cursor
.coladd
, NULL
);
17578 dict_add_nr_str(dict
, "curswant", (long)curwin
->w_curswant
, NULL
);
17580 dict_add_nr_str(dict
, "topline", (long)curwin
->w_topline
, NULL
);
17582 dict_add_nr_str(dict
, "topfill", (long)curwin
->w_topfill
, NULL
);
17584 dict_add_nr_str(dict
, "leftcol", (long)curwin
->w_leftcol
, NULL
);
17585 dict_add_nr_str(dict
, "skipcol", (long)curwin
->w_skipcol
, NULL
);
17589 * "winwidth(nr)" function
17592 f_winwidth(argvars
, rettv
)
17598 wp
= find_win_by_nr(&argvars
[0], NULL
);
17600 rettv
->vval
.v_number
= -1;
17602 #ifdef FEAT_VERTSPLIT
17603 rettv
->vval
.v_number
= wp
->w_width
;
17605 rettv
->vval
.v_number
= Columns
;
17610 * "writefile()" function
17613 f_writefile(argvars
, rettv
)
17617 int binary
= FALSE
;
17625 if (check_restricted() || check_secure())
17628 if (argvars
[0].v_type
!= VAR_LIST
)
17630 EMSG2(_(e_listarg
), "writefile()");
17633 if (argvars
[0].vval
.v_list
== NULL
)
17636 if (argvars
[2].v_type
!= VAR_UNKNOWN
17637 && STRCMP(get_tv_string(&argvars
[2]), "b") == 0)
17640 /* Always open the file in binary mode, library functions have a mind of
17641 * their own about CR-LF conversion. */
17642 fname
= get_tv_string(&argvars
[1]);
17643 if (*fname
== NUL
|| (fd
= mch_fopen((char *)fname
, WRITEBIN
)) == NULL
)
17645 EMSG2(_(e_notcreate
), *fname
== NUL
? (char_u
*)_("<empty>") : fname
);
17650 for (li
= argvars
[0].vval
.v_list
->lv_first
; li
!= NULL
;
17653 for (s
= get_tv_string(&li
->li_tv
); *s
!= NUL
; ++s
)
17665 if (!binary
|| li
->li_next
!= NULL
)
17666 if (putc('\n', fd
) == EOF
)
17680 rettv
->vval
.v_number
= ret
;
17684 * Translate a String variable into a position.
17685 * Returns NULL when there is an error.
17688 var2fpos(varp
, dollar_lnum
, fnum
)
17690 int dollar_lnum
; /* TRUE when $ is last line */
17691 int *fnum
; /* set to fnum for '0, 'A, etc. */
17697 /* Argument can be [lnum, col, coladd]. */
17698 if (varp
->v_type
== VAR_LIST
)
17705 l
= varp
->vval
.v_list
;
17709 /* Get the line number */
17710 pos
.lnum
= list_find_nr(l
, 0L, &error
);
17711 if (error
|| pos
.lnum
<= 0 || pos
.lnum
> curbuf
->b_ml
.ml_line_count
)
17712 return NULL
; /* invalid line number */
17714 /* Get the column number */
17715 pos
.col
= list_find_nr(l
, 1L, &error
);
17718 len
= (long)STRLEN(ml_get(pos
.lnum
));
17720 /* We accept "$" for the column number: last column. */
17721 li
= list_find(l
, 1L);
17722 if (li
!= NULL
&& li
->li_tv
.v_type
== VAR_STRING
17723 && li
->li_tv
.vval
.v_string
!= NULL
17724 && STRCMP(li
->li_tv
.vval
.v_string
, "$") == 0)
17727 /* Accept a position up to the NUL after the line. */
17728 if (pos
.col
== 0 || (int)pos
.col
> len
+ 1)
17729 return NULL
; /* invalid column number */
17732 #ifdef FEAT_VIRTUALEDIT
17733 /* Get the virtual offset. Defaults to zero. */
17734 pos
.coladd
= list_find_nr(l
, 2L, &error
);
17742 name
= get_tv_string_chk(varp
);
17745 if (name
[0] == '.') /* cursor */
17746 return &curwin
->w_cursor
;
17748 if (name
[0] == 'v' && name
[1] == NUL
) /* Visual start */
17752 return &curwin
->w_cursor
;
17755 if (name
[0] == '\'') /* mark */
17757 pp
= getmark_fnum(name
[1], FALSE
, fnum
);
17758 if (pp
== NULL
|| pp
== (pos_T
*)-1 || pp
->lnum
<= 0)
17763 #ifdef FEAT_VIRTUALEDIT
17767 if (name
[0] == 'w' && dollar_lnum
)
17770 if (name
[1] == '0') /* "w0": first visible line */
17773 pos
.lnum
= curwin
->w_topline
;
17776 else if (name
[1] == '$') /* "w$": last visible line */
17778 validate_botline();
17779 pos
.lnum
= curwin
->w_botline
- 1;
17783 else if (name
[0] == '$') /* last column or line */
17787 pos
.lnum
= curbuf
->b_ml
.ml_line_count
;
17792 pos
.lnum
= curwin
->w_cursor
.lnum
;
17793 pos
.col
= (colnr_T
)STRLEN(ml_get_curline());
17801 * Convert list in "arg" into a position and optional file number.
17802 * When "fnump" is NULL there is no file number, only 3 items.
17803 * Note that the column is passed on as-is, the caller may want to decrement
17804 * it to use 1 for the first column.
17805 * Return FAIL when conversion is not possible, doesn't check the position for
17809 list2fpos(arg
, posp
, fnump
)
17814 list_T
*l
= arg
->vval
.v_list
;
17818 /* List must be: [fnum, lnum, col, coladd], where "fnum" is only there
17819 * when "fnump" isn't NULL and "coladd" is optional. */
17820 if (arg
->v_type
!= VAR_LIST
17822 || l
->lv_len
< (fnump
== NULL
? 2 : 3)
17823 || l
->lv_len
> (fnump
== NULL
? 3 : 4))
17828 n
= list_find_nr(l
, i
++, NULL
); /* fnum */
17832 n
= curbuf
->b_fnum
; /* current buffer */
17836 n
= list_find_nr(l
, i
++, NULL
); /* lnum */
17841 n
= list_find_nr(l
, i
++, NULL
); /* col */
17846 #ifdef FEAT_VIRTUALEDIT
17847 n
= list_find_nr(l
, i
, NULL
);
17858 * Get the length of an environment variable name.
17859 * Advance "arg" to the first character after the name.
17860 * Return 0 for error.
17869 for (p
= *arg
; vim_isIDc(*p
); ++p
)
17871 if (p
== *arg
) /* no name found */
17874 len
= (int)(p
- *arg
);
17880 * Get the length of the name of a function or internal variable.
17881 * "arg" is advanced to the first non-white character after the name.
17882 * Return 0 if something is wrong.
17891 /* Find the end of the name. */
17892 for (p
= *arg
; eval_isnamec(*p
); ++p
)
17894 if (p
== *arg
) /* no name found */
17897 len
= (int)(p
- *arg
);
17898 *arg
= skipwhite(p
);
17904 * Get the length of the name of a variable or function.
17905 * Only the name is recognized, does not handle ".key" or "[idx]".
17906 * "arg" is advanced to the first non-white character after the name.
17907 * Return -1 if curly braces expansion failed.
17908 * Return 0 if something else is wrong.
17909 * If the name contains 'magic' {}'s, expand them and return the
17910 * expanded name in an allocated string via 'alias' - caller must free.
17913 get_name_len(arg
, alias
, evaluate
, verbose
)
17921 char_u
*expr_start
;
17924 *alias
= NULL
; /* default to no alias */
17926 if ((*arg
)[0] == K_SPECIAL
&& (*arg
)[1] == KS_EXTRA
17927 && (*arg
)[2] == (int)KE_SNR
)
17929 /* hard coded <SNR>, already translated */
17931 return get_id_len(arg
) + 3;
17933 len
= eval_fname_script(*arg
);
17936 /* literal "<SID>", "s:" or "<SNR>" */
17941 * Find the end of the name; check for {} construction.
17943 p
= find_name_end(*arg
, &expr_start
, &expr_end
,
17944 len
> 0 ? 0 : FNE_CHECK_START
);
17945 if (expr_start
!= NULL
)
17947 char_u
*temp_string
;
17951 len
+= (int)(p
- *arg
);
17952 *arg
= skipwhite(p
);
17957 * Include any <SID> etc in the expanded string:
17958 * Thus the -len here.
17960 temp_string
= make_expanded_name(*arg
- len
, expr_start
, expr_end
, p
);
17961 if (temp_string
== NULL
)
17963 *alias
= temp_string
;
17964 *arg
= skipwhite(p
);
17965 return (int)STRLEN(temp_string
);
17968 len
+= get_id_len(arg
);
17969 if (len
== 0 && verbose
)
17970 EMSG2(_(e_invexpr2
), *arg
);
17976 * Find the end of a variable or function name, taking care of magic braces.
17977 * If "expr_start" is not NULL then "expr_start" and "expr_end" are set to the
17978 * start and end of the first magic braces item.
17979 * "flags" can have FNE_INCL_BR and FNE_CHECK_START.
17980 * Return a pointer to just after the name. Equal to "arg" if there is no
17984 find_name_end(arg
, expr_start
, expr_end
, flags
)
17986 char_u
**expr_start
;
17994 if (expr_start
!= NULL
)
17996 *expr_start
= NULL
;
18000 /* Quick check for valid starting character. */
18001 if ((flags
& FNE_CHECK_START
) && !eval_isnamec1(*arg
) && *arg
!= '{')
18004 for (p
= arg
; *p
!= NUL
18005 && (eval_isnamec(*p
)
18007 || ((flags
& FNE_INCL_BR
) && (*p
== '[' || *p
== '.'))
18009 || br_nest
!= 0); mb_ptr_adv(p
))
18013 /* skip over 'string' to avoid counting [ and ] inside it. */
18014 for (p
= p
+ 1; *p
!= NUL
&& *p
!= '\''; mb_ptr_adv(p
))
18019 else if (*p
== '"')
18021 /* skip over "str\"ing" to avoid counting [ and ] inside it. */
18022 for (p
= p
+ 1; *p
!= NUL
&& *p
!= '"'; mb_ptr_adv(p
))
18023 if (*p
== '\\' && p
[1] != NUL
)
18033 else if (*p
== ']')
18042 if (expr_start
!= NULL
&& *expr_start
== NULL
)
18045 else if (*p
== '}')
18048 if (expr_start
!= NULL
&& mb_nest
== 0 && *expr_end
== NULL
)
18058 * Expands out the 'magic' {}'s in a variable/function name.
18059 * Note that this can call itself recursively, to deal with
18060 * constructs like foo{bar}{baz}{bam}
18061 * The four pointer arguments point to "foo{expre}ss{ion}bar"
18067 * Returns a new allocated string, which the caller must free.
18068 * Returns NULL for failure.
18071 make_expanded_name(in_start
, expr_start
, expr_end
, in_end
)
18073 char_u
*expr_start
;
18078 char_u
*retval
= NULL
;
18079 char_u
*temp_result
;
18080 char_u
*nextcmd
= NULL
;
18082 if (expr_end
== NULL
|| in_end
== NULL
)
18089 temp_result
= eval_to_string(expr_start
+ 1, &nextcmd
, FALSE
);
18090 if (temp_result
!= NULL
&& nextcmd
== NULL
)
18092 retval
= alloc((unsigned)(STRLEN(temp_result
) + (expr_start
- in_start
)
18093 + (in_end
- expr_end
) + 1));
18094 if (retval
!= NULL
)
18096 STRCPY(retval
, in_start
);
18097 STRCAT(retval
, temp_result
);
18098 STRCAT(retval
, expr_end
+ 1);
18101 vim_free(temp_result
);
18103 *in_end
= c1
; /* put char back for error messages */
18107 if (retval
!= NULL
)
18109 temp_result
= find_name_end(retval
, &expr_start
, &expr_end
, 0);
18110 if (expr_start
!= NULL
)
18112 /* Further expansion! */
18113 temp_result
= make_expanded_name(retval
, expr_start
,
18114 expr_end
, temp_result
);
18116 retval
= temp_result
;
18124 * Return TRUE if character "c" can be used in a variable or function name.
18125 * Does not include '{' or '}' for magic braces.
18131 return (ASCII_ISALNUM(c
) || c
== '_' || c
== ':' || c
== AUTOLOAD_CHAR
);
18135 * Return TRUE if character "c" can be used as the first character in a
18136 * variable or function name (excluding '{' and '}').
18142 return (ASCII_ISALPHA(c
) || c
== '_');
18146 * Set number v: variable to "val".
18149 set_vim_var_nr(idx
, val
)
18153 vimvars
[idx
].vv_nr
= val
;
18157 * Get number v: variable value.
18160 get_vim_var_nr(idx
)
18163 return vimvars
[idx
].vv_nr
;
18167 * Get string v: variable value. Uses a static buffer, can only be used once.
18170 get_vim_var_str(idx
)
18173 return get_tv_string(&vimvars
[idx
].vv_tv
);
18177 * Get List v: variable value. Caller must take care of reference count when
18181 get_vim_var_list(idx
)
18184 return vimvars
[idx
].vv_list
;
18188 * Set v:char to character "c".
18191 set_vim_var_char(c
)
18195 char_u buf
[MB_MAXBYTES
];
18202 buf
[(*mb_char2bytes
)(c
, buf
)] = NUL
;
18209 set_vim_var_string(VV_CHAR
, buf
, -1);
18213 * Set v:count to "count" and v:count1 to "count1".
18214 * When "set_prevcount" is TRUE first set v:prevcount from v:count.
18217 set_vcount(count
, count1
, set_prevcount
)
18223 vimvars
[VV_PREVCOUNT
].vv_nr
= vimvars
[VV_COUNT
].vv_nr
;
18224 vimvars
[VV_COUNT
].vv_nr
= count
;
18225 vimvars
[VV_COUNT1
].vv_nr
= count1
;
18229 * Set string v: variable to a copy of "val".
18232 set_vim_var_string(idx
, val
, len
)
18235 int len
; /* length of "val" to use or -1 (whole string) */
18237 /* Need to do this (at least) once, since we can't initialize a union.
18238 * Will always be invoked when "v:progname" is set. */
18239 vimvars
[VV_VERSION
].vv_nr
= VIM_VERSION_100
;
18241 vim_free(vimvars
[idx
].vv_str
);
18243 vimvars
[idx
].vv_str
= NULL
;
18244 else if (len
== -1)
18245 vimvars
[idx
].vv_str
= vim_strsave(val
);
18247 vimvars
[idx
].vv_str
= vim_strnsave(val
, len
);
18251 * Set List v: variable to "val".
18254 set_vim_var_list(idx
, val
)
18258 list_unref(vimvars
[idx
].vv_list
);
18259 vimvars
[idx
].vv_list
= val
;
18261 ++val
->lv_refcount
;
18265 * Set v:register if needed.
18273 if (c
== 0 || c
== ' ')
18277 /* Avoid free/alloc when the value is already right. */
18278 if (vimvars
[VV_REG
].vv_str
== NULL
|| vimvars
[VV_REG
].vv_str
[0] != c
)
18279 set_vim_var_string(VV_REG
, ®name
, 1);
18283 * Get or set v:exception. If "oldval" == NULL, return the current value.
18284 * Otherwise, restore the value to "oldval" and return NULL.
18285 * Must always be called in pairs to save and restore v:exception! Does not
18286 * take care of memory allocations.
18289 v_exception(oldval
)
18292 if (oldval
== NULL
)
18293 return vimvars
[VV_EXCEPTION
].vv_str
;
18295 vimvars
[VV_EXCEPTION
].vv_str
= oldval
;
18300 * Get or set v:throwpoint. If "oldval" == NULL, return the current value.
18301 * Otherwise, restore the value to "oldval" and return NULL.
18302 * Must always be called in pairs to save and restore v:throwpoint! Does not
18303 * take care of memory allocations.
18306 v_throwpoint(oldval
)
18309 if (oldval
== NULL
)
18310 return vimvars
[VV_THROWPOINT
].vv_str
;
18312 vimvars
[VV_THROWPOINT
].vv_str
= oldval
;
18316 #if defined(FEAT_AUTOCMD) || defined(PROTO)
18319 * If "eap" != NULL, use "eap" to generate the value and return the old value.
18320 * If "oldarg" != NULL, restore the value to "oldarg" and return NULL.
18321 * Must always be called in pairs!
18324 set_cmdarg(eap
, oldarg
)
18332 oldval
= vimvars
[VV_CMDARG
].vv_str
;
18336 vimvars
[VV_CMDARG
].vv_str
= oldarg
;
18340 if (eap
->force_bin
== FORCE_BIN
)
18342 else if (eap
->force_bin
== FORCE_NOBIN
)
18347 if (eap
->read_edit
)
18350 if (eap
->force_ff
!= 0)
18351 len
+= (unsigned)STRLEN(eap
->cmd
+ eap
->force_ff
) + 6;
18353 if (eap
->force_enc
!= 0)
18354 len
+= (unsigned)STRLEN(eap
->cmd
+ eap
->force_enc
) + 7;
18355 if (eap
->bad_char
!= 0)
18356 len
+= (unsigned)STRLEN(eap
->cmd
+ eap
->bad_char
) + 7;
18359 newval
= alloc(len
+ 1);
18360 if (newval
== NULL
)
18363 if (eap
->force_bin
== FORCE_BIN
)
18364 sprintf((char *)newval
, " ++bin");
18365 else if (eap
->force_bin
== FORCE_NOBIN
)
18366 sprintf((char *)newval
, " ++nobin");
18370 if (eap
->read_edit
)
18371 STRCAT(newval
, " ++edit");
18373 if (eap
->force_ff
!= 0)
18374 sprintf((char *)newval
+ STRLEN(newval
), " ++ff=%s",
18375 eap
->cmd
+ eap
->force_ff
);
18377 if (eap
->force_enc
!= 0)
18378 sprintf((char *)newval
+ STRLEN(newval
), " ++enc=%s",
18379 eap
->cmd
+ eap
->force_enc
);
18380 if (eap
->bad_char
!= 0)
18381 sprintf((char *)newval
+ STRLEN(newval
), " ++bad=%s",
18382 eap
->cmd
+ eap
->bad_char
);
18384 vimvars
[VV_CMDARG
].vv_str
= newval
;
18390 * Get the value of internal variable "name".
18391 * Return OK or FAIL.
18394 get_var_tv(name
, len
, rettv
, verbose
)
18396 int len
; /* length of "name" */
18397 typval_T
*rettv
; /* NULL when only checking existence */
18398 int verbose
; /* may give error message */
18401 typval_T
*tv
= NULL
;
18406 /* truncate the name, so that we can use strcmp() */
18411 * Check for "b:changedtick".
18413 if (STRCMP(name
, "b:changedtick") == 0)
18415 atv
.v_type
= VAR_NUMBER
;
18416 atv
.vval
.v_number
= curbuf
->b_changedtick
;
18421 * Check for user-defined variables.
18425 v
= find_var(name
, NULL
);
18432 if (rettv
!= NULL
&& verbose
)
18433 EMSG2(_(e_undefvar
), name
);
18436 else if (rettv
!= NULL
)
18437 copy_tv(tv
, rettv
);
18445 * Handle expr[expr], expr[expr:expr] subscript and .name lookup.
18446 * Also handle function call with Funcref variable: func(expr)
18447 * Can all be combined: dict.func(expr)[idx]['func'](expr)
18450 handle_subscript(arg
, rettv
, evaluate
, verbose
)
18453 int evaluate
; /* do more than finding the end */
18454 int verbose
; /* give error messages */
18457 dict_T
*selfdict
= NULL
;
18464 || (**arg
== '.' && rettv
->v_type
== VAR_DICT
)
18465 || (**arg
== '(' && rettv
->v_type
== VAR_FUNC
))
18466 && !vim_iswhite(*(*arg
- 1)))
18470 /* need to copy the funcref so that we can clear rettv */
18472 rettv
->v_type
= VAR_UNKNOWN
;
18474 /* Invoke the function. Recursive! */
18475 s
= functv
.vval
.v_string
;
18476 ret
= get_func_tv(s
, (int)STRLEN(s
), rettv
, arg
,
18477 curwin
->w_cursor
.lnum
, curwin
->w_cursor
.lnum
,
18478 &len
, evaluate
, selfdict
);
18480 /* Clear the funcref afterwards, so that deleting it while
18481 * evaluating the arguments is possible (see test55). */
18484 /* Stop the expression evaluation when immediately aborting on
18485 * error, or when an interrupt occurred or an exception was thrown
18486 * but not caught. */
18493 dict_unref(selfdict
);
18496 else /* **arg == '[' || **arg == '.' */
18498 dict_unref(selfdict
);
18499 if (rettv
->v_type
== VAR_DICT
)
18501 selfdict
= rettv
->vval
.v_dict
;
18502 if (selfdict
!= NULL
)
18503 ++selfdict
->dv_refcount
;
18507 if (eval_index(arg
, rettv
, evaluate
, verbose
) == FAIL
)
18514 dict_unref(selfdict
);
18519 * Allocate memory for a variable type-value, and make it empty (0 or NULL
18525 return (typval_T
*)alloc_clear((unsigned)sizeof(typval_T
));
18529 * Allocate memory for a variable type-value, and assign a string to it.
18530 * The string "s" must have been allocated, it is consumed.
18531 * Return NULL for out of memory, the variable otherwise.
18539 rettv
= alloc_tv();
18542 rettv
->v_type
= VAR_STRING
;
18543 rettv
->vval
.v_string
= s
;
18551 * Free the memory for a variable type-value.
18559 switch (varp
->v_type
)
18562 func_unref(varp
->vval
.v_string
);
18565 vim_free(varp
->vval
.v_string
);
18568 list_unref(varp
->vval
.v_list
);
18571 dict_unref(varp
->vval
.v_dict
);
18580 EMSG2(_(e_intern2
), "free_tv()");
18588 * Free the memory for a variable value and set the value to NULL or 0.
18596 switch (varp
->v_type
)
18599 func_unref(varp
->vval
.v_string
);
18602 vim_free(varp
->vval
.v_string
);
18603 varp
->vval
.v_string
= NULL
;
18606 list_unref(varp
->vval
.v_list
);
18607 varp
->vval
.v_list
= NULL
;
18610 dict_unref(varp
->vval
.v_dict
);
18611 varp
->vval
.v_dict
= NULL
;
18614 varp
->vval
.v_number
= 0;
18618 varp
->vval
.v_float
= 0.0;
18624 EMSG2(_(e_intern2
), "clear_tv()");
18631 * Set the value of a variable to NULL without freeing items.
18638 vim_memset(varp
, 0, sizeof(typval_T
));
18642 * Get the number value of a variable.
18643 * If it is a String variable, uses vim_str2nr().
18644 * For incompatible types, return 0.
18645 * get_tv_number_chk() is similar to get_tv_number(), but informs the
18646 * caller of incompatible types: it sets *denote to TRUE if "denote"
18647 * is not NULL or returns -1 otherwise.
18650 get_tv_number(varp
)
18655 return get_tv_number_chk(varp
, &error
); /* return 0L on error */
18659 get_tv_number_chk(varp
, denote
)
18665 switch (varp
->v_type
)
18668 return (long)(varp
->vval
.v_number
);
18671 EMSG(_("E805: Using a Float as a Number"));
18675 EMSG(_("E703: Using a Funcref as a Number"));
18678 if (varp
->vval
.v_string
!= NULL
)
18679 vim_str2nr(varp
->vval
.v_string
, NULL
, NULL
,
18680 TRUE
, TRUE
, &n
, NULL
);
18683 EMSG(_("E745: Using a List as a Number"));
18686 EMSG(_("E728: Using a Dictionary as a Number"));
18689 EMSG2(_(e_intern2
), "get_tv_number()");
18692 if (denote
== NULL
) /* useful for values that must be unsigned */
18700 * Get the lnum from the first argument.
18701 * Also accepts ".", "$", etc., but that only works for the current buffer.
18702 * Returns -1 on error.
18705 get_tv_lnum(argvars
)
18711 lnum
= get_tv_number_chk(&argvars
[0], NULL
);
18712 if (lnum
== 0) /* no valid number, try using line() */
18714 rettv
.v_type
= VAR_NUMBER
;
18715 f_line(argvars
, &rettv
);
18716 lnum
= rettv
.vval
.v_number
;
18723 * Get the lnum from the first argument.
18724 * Also accepts "$", then "buf" is used.
18725 * Returns 0 on error.
18728 get_tv_lnum_buf(argvars
, buf
)
18732 if (argvars
[0].v_type
== VAR_STRING
18733 && argvars
[0].vval
.v_string
!= NULL
18734 && argvars
[0].vval
.v_string
[0] == '$'
18736 return buf
->b_ml
.ml_line_count
;
18737 return get_tv_number_chk(&argvars
[0], NULL
);
18741 * Get the string value of a variable.
18742 * If it is a Number variable, the number is converted into a string.
18743 * get_tv_string() uses a single, static buffer. YOU CAN ONLY USE IT ONCE!
18744 * get_tv_string_buf() uses a given buffer.
18745 * If the String variable has never been set, return an empty string.
18746 * Never returns NULL;
18747 * get_tv_string_chk() and get_tv_string_buf_chk() are similar, but return
18751 get_tv_string(varp
)
18754 static char_u mybuf
[NUMBUFLEN
];
18756 return get_tv_string_buf(varp
, mybuf
);
18760 get_tv_string_buf(varp
, buf
)
18764 char_u
*res
= get_tv_string_buf_chk(varp
, buf
);
18766 return res
!= NULL
? res
: (char_u
*)"";
18770 get_tv_string_chk(varp
)
18773 static char_u mybuf
[NUMBUFLEN
];
18775 return get_tv_string_buf_chk(varp
, mybuf
);
18779 get_tv_string_buf_chk(varp
, buf
)
18783 switch (varp
->v_type
)
18786 sprintf((char *)buf
, "%ld", (long)varp
->vval
.v_number
);
18789 EMSG(_("E729: using Funcref as a String"));
18792 EMSG(_("E730: using List as a String"));
18795 EMSG(_("E731: using Dictionary as a String"));
18799 EMSG(_("E806: using Float as a String"));
18803 if (varp
->vval
.v_string
!= NULL
)
18804 return varp
->vval
.v_string
;
18805 return (char_u
*)"";
18807 EMSG2(_(e_intern2
), "get_tv_string_buf()");
18814 * Find variable "name" in the list of variables.
18815 * Return a pointer to it if found, NULL if not found.
18816 * Careful: "a:0" variables don't have a name.
18817 * When "htp" is not NULL we are writing to the variable, set "htp" to the
18820 static dictitem_T
*
18821 find_var(name
, htp
)
18828 ht
= find_var_ht(name
, &varname
);
18833 return find_var_in_ht(ht
, varname
, htp
!= NULL
);
18837 * Find variable "varname" in hashtab "ht".
18838 * Returns NULL if not found.
18840 static dictitem_T
*
18841 find_var_in_ht(ht
, varname
, writing
)
18848 if (*varname
== NUL
)
18850 /* Must be something like "s:", otherwise "ht" would be NULL. */
18851 switch (varname
[-2])
18853 case 's': return &SCRIPT_SV(current_SID
).sv_var
;
18854 case 'g': return &globvars_var
;
18855 case 'v': return &vimvars_var
;
18856 case 'b': return &curbuf
->b_bufvar
;
18857 case 'w': return &curwin
->w_winvar
;
18858 #ifdef FEAT_WINDOWS
18859 case 't': return &curtab
->tp_winvar
;
18861 case 'l': return current_funccal
== NULL
18862 ? NULL
: ¤t_funccal
->l_vars_var
;
18863 case 'a': return current_funccal
== NULL
18864 ? NULL
: ¤t_funccal
->l_avars_var
;
18869 hi
= hash_find(ht
, varname
);
18870 if (HASHITEM_EMPTY(hi
))
18872 /* For global variables we may try auto-loading the script. If it
18873 * worked find the variable again. Don't auto-load a script if it was
18874 * loaded already, otherwise it would be loaded every time when
18875 * checking if a function name is a Funcref variable. */
18876 if (ht
== &globvarht
&& !writing
18877 && script_autoload(varname
, FALSE
) && !aborting())
18878 hi
= hash_find(ht
, varname
);
18879 if (HASHITEM_EMPTY(hi
))
18886 * Find the hashtab used for a variable name.
18887 * Set "varname" to the start of name without ':'.
18890 find_var_ht(name
, varname
)
18896 if (name
[1] != ':')
18898 /* The name must not start with a colon or #. */
18899 if (name
[0] == ':' || name
[0] == AUTOLOAD_CHAR
)
18903 /* "version" is "v:version" in all scopes */
18904 hi
= hash_find(&compat_hashtab
, name
);
18905 if (!HASHITEM_EMPTY(hi
))
18906 return &compat_hashtab
;
18908 if (current_funccal
== NULL
)
18909 return &globvarht
; /* global variable */
18910 return ¤t_funccal
->l_vars
.dv_hashtab
; /* l: variable */
18912 *varname
= name
+ 2;
18913 if (*name
== 'g') /* global variable */
18915 /* There must be no ':' or '#' in the rest of the name, unless g: is used
18917 if (vim_strchr(name
+ 2, ':') != NULL
18918 || vim_strchr(name
+ 2, AUTOLOAD_CHAR
) != NULL
)
18920 if (*name
== 'b') /* buffer variable */
18921 return &curbuf
->b_vars
.dv_hashtab
;
18922 if (*name
== 'w') /* window variable */
18923 return &curwin
->w_vars
.dv_hashtab
;
18924 #ifdef FEAT_WINDOWS
18925 if (*name
== 't') /* tab page variable */
18926 return &curtab
->tp_vars
.dv_hashtab
;
18928 if (*name
== 'v') /* v: variable */
18930 if (*name
== 'a' && current_funccal
!= NULL
) /* function argument */
18931 return ¤t_funccal
->l_avars
.dv_hashtab
;
18932 if (*name
== 'l' && current_funccal
!= NULL
) /* local function variable */
18933 return ¤t_funccal
->l_vars
.dv_hashtab
;
18934 if (*name
== 's' /* script variable */
18935 && current_SID
> 0 && current_SID
<= ga_scripts
.ga_len
)
18936 return &SCRIPT_VARS(current_SID
);
18941 * Get the string value of a (global/local) variable.
18942 * Returns NULL when it doesn't exist.
18945 get_var_value(name
)
18950 v
= find_var(name
, NULL
);
18953 return get_tv_string(&v
->di_tv
);
18957 * Allocate a new hashtab for a sourced script. It will be used while
18958 * sourcing this script and when executing functions defined in the script.
18961 new_script_vars(id
)
18968 if (ga_grow(&ga_scripts
, (int)(id
- ga_scripts
.ga_len
)) == OK
)
18970 /* Re-allocating ga_data means that an ht_array pointing to
18971 * ht_smallarray becomes invalid. We can recognize this: ht_mask is
18972 * at its init value. Also reset "v_dict", it's always the same. */
18973 for (i
= 1; i
<= ga_scripts
.ga_len
; ++i
)
18975 ht
= &SCRIPT_VARS(i
);
18976 if (ht
->ht_mask
== HT_INIT_SIZE
- 1)
18977 ht
->ht_array
= ht
->ht_smallarray
;
18978 sv
= &SCRIPT_SV(i
);
18979 sv
->sv_var
.di_tv
.vval
.v_dict
= &sv
->sv_dict
;
18982 while (ga_scripts
.ga_len
< id
)
18984 sv
= &SCRIPT_SV(ga_scripts
.ga_len
+ 1);
18985 init_var_dict(&sv
->sv_dict
, &sv
->sv_var
);
18986 ++ga_scripts
.ga_len
;
18992 * Initialize dictionary "dict" as a scope and set variable "dict_var" to
18996 init_var_dict(dict
, dict_var
)
18998 dictitem_T
*dict_var
;
19000 hash_init(&dict
->dv_hashtab
);
19001 dict
->dv_refcount
= DO_NOT_FREE_CNT
;
19002 dict
->dv_copyID
= 0;
19003 dict_var
->di_tv
.vval
.v_dict
= dict
;
19004 dict_var
->di_tv
.v_type
= VAR_DICT
;
19005 dict_var
->di_tv
.v_lock
= VAR_FIXED
;
19006 dict_var
->di_flags
= DI_FLAGS_RO
| DI_FLAGS_FIX
;
19007 dict_var
->di_key
[0] = NUL
;
19011 * Clean up a list of internal variables.
19012 * Frees all allocated variables and the value they contain.
19013 * Clears hashtab "ht", does not free it.
19019 vars_clear_ext(ht
, TRUE
);
19023 * Like vars_clear(), but only free the value if "free_val" is TRUE.
19026 vars_clear_ext(ht
, free_val
)
19035 todo
= (int)ht
->ht_used
;
19036 for (hi
= ht
->ht_array
; todo
> 0; ++hi
)
19038 if (!HASHITEM_EMPTY(hi
))
19042 /* Free the variable. Don't remove it from the hashtab,
19043 * ht_array might change then. hash_clear() takes care of it
19047 clear_tv(&v
->di_tv
);
19048 if ((v
->di_flags
& DI_FLAGS_FIX
) == 0)
19057 * Delete a variable from hashtab "ht" at item "hi".
19058 * Clear the variable value and free the dictitem.
19065 dictitem_T
*di
= HI2DI(hi
);
19067 hash_remove(ht
, hi
);
19068 clear_tv(&di
->di_tv
);
19073 * List the value of one internal variable.
19076 list_one_var(v
, prefix
, first
)
19083 char_u numbuf
[NUMBUFLEN
];
19085 current_copyID
+= COPYID_INC
;
19086 s
= echo_string(&v
->di_tv
, &tofree
, numbuf
, current_copyID
);
19087 list_one_var_a(prefix
, v
->di_key
, v
->di_tv
.v_type
,
19088 s
== NULL
? (char_u
*)"" : s
, first
);
19093 list_one_var_a(prefix
, name
, type
, string
, first
)
19098 int *first
; /* when TRUE clear rest of screen and set to FALSE */
19100 /* don't use msg() or msg_attr() to avoid overwriting "v:statusmsg" */
19103 if (name
!= NULL
) /* "a:" vars don't have a name stored */
19107 if (type
== VAR_NUMBER
)
19109 else if (type
== VAR_FUNC
)
19111 else if (type
== VAR_LIST
)
19114 if (*string
== '[')
19117 else if (type
== VAR_DICT
)
19120 if (*string
== '{')
19126 msg_outtrans(string
);
19128 if (type
== VAR_FUNC
)
19129 msg_puts((char_u
*)"()");
19138 * Set variable "name" to value in "tv".
19139 * If the variable already exists, the value is updated.
19140 * Otherwise the variable is created.
19143 set_var(name
, tv
, copy
)
19146 int copy
; /* make copy of value in "tv" */
19153 ht
= find_var_ht(name
, &varname
);
19154 if (ht
== NULL
|| *varname
== NUL
)
19156 EMSG2(_(e_illvar
), name
);
19159 v
= find_var_in_ht(ht
, varname
, TRUE
);
19161 if (tv
->v_type
== VAR_FUNC
)
19163 if (!(vim_strchr((char_u
*)"wbs", name
[0]) != NULL
&& name
[1] == ':')
19164 && !ASCII_ISUPPER((name
[0] != NUL
&& name
[1] == ':')
19165 ? name
[2] : name
[0]))
19167 EMSG2(_("E704: Funcref variable name must start with a capital: %s"), name
);
19170 /* Don't allow hiding a function. When "v" is not NULL we migth be
19171 * assigning another function to the same var, the type is checked
19173 if (v
== NULL
&& function_exists(name
))
19175 EMSG2(_("E705: Variable name conflicts with existing function: %s"),
19183 /* existing variable, need to clear the value */
19184 if (var_check_ro(v
->di_flags
, name
)
19185 || tv_check_lock(v
->di_tv
.v_lock
, name
))
19187 if (v
->di_tv
.v_type
!= tv
->v_type
19188 && !((v
->di_tv
.v_type
== VAR_STRING
19189 || v
->di_tv
.v_type
== VAR_NUMBER
)
19190 && (tv
->v_type
== VAR_STRING
19191 || tv
->v_type
== VAR_NUMBER
))
19193 && !((v
->di_tv
.v_type
== VAR_NUMBER
19194 || v
->di_tv
.v_type
== VAR_FLOAT
)
19195 && (tv
->v_type
== VAR_NUMBER
19196 || tv
->v_type
== VAR_FLOAT
))
19200 EMSG2(_("E706: Variable type mismatch for: %s"), name
);
19205 * Handle setting internal v: variables separately: we don't change
19208 if (ht
== &vimvarht
)
19210 if (v
->di_tv
.v_type
== VAR_STRING
)
19212 vim_free(v
->di_tv
.vval
.v_string
);
19213 if (copy
|| tv
->v_type
!= VAR_STRING
)
19214 v
->di_tv
.vval
.v_string
= vim_strsave(get_tv_string(tv
));
19217 /* Take over the string to avoid an extra alloc/free. */
19218 v
->di_tv
.vval
.v_string
= tv
->vval
.v_string
;
19219 tv
->vval
.v_string
= NULL
;
19222 else if (v
->di_tv
.v_type
!= VAR_NUMBER
)
19223 EMSG2(_(e_intern2
), "set_var()");
19226 v
->di_tv
.vval
.v_number
= get_tv_number(tv
);
19227 if (STRCMP(varname
, "searchforward") == 0)
19228 set_search_direction(v
->di_tv
.vval
.v_number
? '/' : '?');
19233 clear_tv(&v
->di_tv
);
19235 else /* add a new variable */
19237 /* Can't add "v:" variable. */
19238 if (ht
== &vimvarht
)
19240 EMSG2(_(e_illvar
), name
);
19244 /* Make sure the variable name is valid. */
19245 for (p
= varname
; *p
!= NUL
; ++p
)
19246 if (!eval_isnamec1(*p
) && (p
== varname
|| !VIM_ISDIGIT(*p
))
19247 && *p
!= AUTOLOAD_CHAR
)
19249 EMSG2(_(e_illvar
), varname
);
19253 v
= (dictitem_T
*)alloc((unsigned)(sizeof(dictitem_T
)
19254 + STRLEN(varname
)));
19257 STRCPY(v
->di_key
, varname
);
19258 if (hash_add(ht
, DI2HIKEY(v
)) == FAIL
)
19266 if (copy
|| tv
->v_type
== VAR_NUMBER
|| tv
->v_type
== VAR_FLOAT
)
19267 copy_tv(tv
, &v
->di_tv
);
19271 v
->di_tv
.v_lock
= 0;
19277 * Return TRUE if di_flags "flags" indicates variable "name" is read-only.
19278 * Also give an error message.
19281 var_check_ro(flags
, name
)
19285 if (flags
& DI_FLAGS_RO
)
19287 EMSG2(_(e_readonlyvar
), name
);
19290 if ((flags
& DI_FLAGS_RO_SBX
) && sandbox
)
19292 EMSG2(_(e_readonlysbx
), name
);
19299 * Return TRUE if di_flags "flags" indicates variable "name" is fixed.
19300 * Also give an error message.
19303 var_check_fixed(flags
, name
)
19307 if (flags
& DI_FLAGS_FIX
)
19309 EMSG2(_("E795: Cannot delete variable %s"), name
);
19316 * Return TRUE if typeval "tv" is set to be locked (immutable).
19317 * Also give an error message, using "name".
19320 tv_check_lock(lock
, name
)
19324 if (lock
& VAR_LOCKED
)
19326 EMSG2(_("E741: Value is locked: %s"),
19327 name
== NULL
? (char_u
*)_("Unknown") : name
);
19330 if (lock
& VAR_FIXED
)
19332 EMSG2(_("E742: Cannot change value of %s"),
19333 name
== NULL
? (char_u
*)_("Unknown") : name
);
19340 * Copy the values from typval_T "from" to typval_T "to".
19341 * When needed allocates string or increases reference count.
19342 * Does not make a copy of a list or dict but copies the reference!
19343 * It is OK for "from" and "to" to point to the same item. This is used to
19344 * make a copy later.
19351 to
->v_type
= from
->v_type
;
19353 switch (from
->v_type
)
19356 to
->vval
.v_number
= from
->vval
.v_number
;
19360 to
->vval
.v_float
= from
->vval
.v_float
;
19365 if (from
->vval
.v_string
== NULL
)
19366 to
->vval
.v_string
= NULL
;
19369 to
->vval
.v_string
= vim_strsave(from
->vval
.v_string
);
19370 if (from
->v_type
== VAR_FUNC
)
19371 func_ref(to
->vval
.v_string
);
19375 if (from
->vval
.v_list
== NULL
)
19376 to
->vval
.v_list
= NULL
;
19379 to
->vval
.v_list
= from
->vval
.v_list
;
19380 ++to
->vval
.v_list
->lv_refcount
;
19384 if (from
->vval
.v_dict
== NULL
)
19385 to
->vval
.v_dict
= NULL
;
19388 to
->vval
.v_dict
= from
->vval
.v_dict
;
19389 ++to
->vval
.v_dict
->dv_refcount
;
19393 EMSG2(_(e_intern2
), "copy_tv()");
19399 * Make a copy of an item.
19400 * Lists and Dictionaries are also copied. A deep copy if "deep" is set.
19401 * For deepcopy() "copyID" is zero for a full copy or the ID for when a
19402 * reference to an already copied list/dict can be used.
19403 * Returns FAIL or OK.
19406 item_copy(from
, to
, deep
, copyID
)
19412 static int recurse
= 0;
19415 if (recurse
>= DICT_MAXNEST
)
19417 EMSG(_("E698: variable nested too deep for making a copy"));
19422 switch (from
->v_type
)
19433 to
->v_type
= VAR_LIST
;
19435 if (from
->vval
.v_list
== NULL
)
19436 to
->vval
.v_list
= NULL
;
19437 else if (copyID
!= 0 && from
->vval
.v_list
->lv_copyID
== copyID
)
19439 /* use the copy made earlier */
19440 to
->vval
.v_list
= from
->vval
.v_list
->lv_copylist
;
19441 ++to
->vval
.v_list
->lv_refcount
;
19444 to
->vval
.v_list
= list_copy(from
->vval
.v_list
, deep
, copyID
);
19445 if (to
->vval
.v_list
== NULL
)
19449 to
->v_type
= VAR_DICT
;
19451 if (from
->vval
.v_dict
== NULL
)
19452 to
->vval
.v_dict
= NULL
;
19453 else if (copyID
!= 0 && from
->vval
.v_dict
->dv_copyID
== copyID
)
19455 /* use the copy made earlier */
19456 to
->vval
.v_dict
= from
->vval
.v_dict
->dv_copydict
;
19457 ++to
->vval
.v_dict
->dv_refcount
;
19460 to
->vval
.v_dict
= dict_copy(from
->vval
.v_dict
, deep
, copyID
);
19461 if (to
->vval
.v_dict
== NULL
)
19465 EMSG2(_(e_intern2
), "item_copy()");
19473 * ":echo expr1 ..." print each argument separated with a space, add a
19474 * newline at the end.
19475 * ":echon expr1 ..." print each argument plain.
19481 char_u
*arg
= eap
->arg
;
19485 int needclr
= TRUE
;
19486 int atstart
= TRUE
;
19487 char_u numbuf
[NUMBUFLEN
];
19491 while (*arg
!= NUL
&& *arg
!= '|' && *arg
!= '\n' && !got_int
)
19493 /* If eval1() causes an error message the text from the command may
19494 * still need to be cleared. E.g., "echo 22,44". */
19495 need_clr_eos
= needclr
;
19498 if (eval1(&arg
, &rettv
, !eap
->skip
) == FAIL
)
19501 * Report the invalid expression unless the expression evaluation
19502 * has been cancelled due to an aborting error, an interrupt, or an
19506 EMSG2(_(e_invexpr2
), p
);
19507 need_clr_eos
= FALSE
;
19510 need_clr_eos
= FALSE
;
19517 /* Call msg_start() after eval1(), evaluating the expression
19518 * may cause a message to appear. */
19519 if (eap
->cmdidx
== CMD_echo
)
19522 else if (eap
->cmdidx
== CMD_echo
)
19523 msg_puts_attr((char_u
*)" ", echo_attr
);
19524 current_copyID
+= COPYID_INC
;
19525 p
= echo_string(&rettv
, &tofree
, numbuf
, current_copyID
);
19527 for ( ; *p
!= NUL
&& !got_int
; ++p
)
19529 if (*p
== '\n' || *p
== '\r' || *p
== TAB
)
19531 if (*p
!= TAB
&& needclr
)
19533 /* remove any text still there from the command */
19537 msg_putchar_attr(*p
, echo_attr
);
19544 int i
= (*mb_ptr2len
)(p
);
19546 (void)msg_outtrans_len_attr(p
, i
, echo_attr
);
19551 (void)msg_outtrans_len_attr(p
, 1, echo_attr
);
19557 arg
= skipwhite(arg
);
19559 eap
->nextcmd
= check_nextcmd(arg
);
19565 /* remove text that may still be there from the command */
19568 if (eap
->cmdidx
== CMD_echo
)
19574 * ":echohl {name}".
19582 id
= syn_name2id(eap
->arg
);
19586 echo_attr
= syn_id2attr(id
);
19590 * ":execute expr1 ..." execute the result of an expression.
19591 * ":echomsg expr1 ..." Print a message
19592 * ":echoerr expr1 ..." Print an error
19593 * Each gets spaces around each argument and a newline at the end for
19600 char_u
*arg
= eap
->arg
;
19608 ga_init2(&ga
, 1, 80);
19612 while (*arg
!= NUL
&& *arg
!= '|' && *arg
!= '\n')
19615 if (eval1(&arg
, &rettv
, !eap
->skip
) == FAIL
)
19618 * Report the invalid expression unless the expression evaluation
19619 * has been cancelled due to an aborting error, an interrupt, or an
19623 EMSG2(_(e_invexpr2
), p
);
19630 p
= get_tv_string(&rettv
);
19631 len
= (int)STRLEN(p
);
19632 if (ga_grow(&ga
, len
+ 2) == FAIL
)
19639 ((char_u
*)(ga
.ga_data
))[ga
.ga_len
++] = ' ';
19640 STRCPY((char_u
*)(ga
.ga_data
) + ga
.ga_len
, p
);
19645 arg
= skipwhite(arg
);
19648 if (ret
!= FAIL
&& ga
.ga_data
!= NULL
)
19650 if (eap
->cmdidx
== CMD_echomsg
)
19652 MSG_ATTR(ga
.ga_data
, echo_attr
);
19655 else if (eap
->cmdidx
== CMD_echoerr
)
19657 /* We don't want to abort following commands, restore did_emsg. */
19658 save_did_emsg
= did_emsg
;
19659 EMSG((char_u
*)ga
.ga_data
);
19661 did_emsg
= save_did_emsg
;
19663 else if (eap
->cmdidx
== CMD_execute
)
19664 do_cmdline((char_u
*)ga
.ga_data
,
19665 eap
->getline
, eap
->cookie
, DOCMD_NOWAIT
|DOCMD_VERBOSE
);
19673 eap
->nextcmd
= check_nextcmd(arg
);
19677 * Skip over the name of an option: "&option", "&g:option" or "&l:option".
19678 * "arg" points to the "&" or '+' when called, to "option" when returning.
19679 * Returns NULL when no option name found. Otherwise pointer to the char
19680 * after the option name.
19683 find_option_end(arg
, opt_flags
)
19690 if (*p
== 'g' && p
[1] == ':')
19692 *opt_flags
= OPT_GLOBAL
;
19695 else if (*p
== 'l' && p
[1] == ':')
19697 *opt_flags
= OPT_LOCAL
;
19703 if (!ASCII_ISALPHA(*p
))
19707 if (p
[0] == 't' && p
[1] == '_' && p
[2] != NUL
&& p
[3] != NUL
)
19708 p
+= 4; /* termcap option */
19710 while (ASCII_ISALPHA(*p
))
19725 int saved_did_emsg
;
19726 char_u
*name
= NULL
;
19729 char_u
*line_arg
= NULL
;
19732 int varargs
= FALSE
;
19733 int mustend
= FALSE
;
19738 char_u
*skip_until
= NULL
;
19741 static int func_nr
= 0; /* number for nameless function */
19746 int sourcing_lnum_off
;
19749 * ":function" without argument: list functions.
19751 if (ends_excmd(*eap
->arg
))
19755 todo
= (int)func_hashtab
.ht_used
;
19756 for (hi
= func_hashtab
.ht_array
; todo
> 0 && !got_int
; ++hi
)
19758 if (!HASHITEM_EMPTY(hi
))
19762 if (!isdigit(*fp
->uf_name
))
19763 list_func_head(fp
, FALSE
);
19767 eap
->nextcmd
= check_nextcmd(eap
->arg
);
19772 * ":function /pat": list functions matching pattern.
19774 if (*eap
->arg
== '/')
19776 p
= skip_regexp(eap
->arg
+ 1, '/', TRUE
, NULL
);
19779 regmatch_T regmatch
;
19783 regmatch
.regprog
= vim_regcomp(eap
->arg
+ 1, RE_MAGIC
);
19785 if (regmatch
.regprog
!= NULL
)
19787 regmatch
.rm_ic
= p_ic
;
19789 todo
= (int)func_hashtab
.ht_used
;
19790 for (hi
= func_hashtab
.ht_array
; todo
> 0 && !got_int
; ++hi
)
19792 if (!HASHITEM_EMPTY(hi
))
19796 if (!isdigit(*fp
->uf_name
)
19797 && vim_regexec(®match
, fp
->uf_name
, 0))
19798 list_func_head(fp
, FALSE
);
19801 vim_free(regmatch
.regprog
);
19806 eap
->nextcmd
= check_nextcmd(p
);
19811 * Get the function name. There are these situations:
19812 * func normal function name
19813 * "name" == func, "fudi.fd_dict" == NULL
19814 * dict.func new dictionary entry
19815 * "name" == NULL, "fudi.fd_dict" set,
19816 * "fudi.fd_di" == NULL, "fudi.fd_newkey" == func
19817 * dict.func existing dict entry with a Funcref
19818 * "name" == func, "fudi.fd_dict" set,
19819 * "fudi.fd_di" set, "fudi.fd_newkey" == NULL
19820 * dict.func existing dict entry that's not a Funcref
19821 * "name" == NULL, "fudi.fd_dict" set,
19822 * "fudi.fd_di" set, "fudi.fd_newkey" == NULL
19825 name
= trans_function_name(&p
, eap
->skip
, 0, &fudi
);
19826 paren
= (vim_strchr(p
, '(') != NULL
);
19827 if (name
== NULL
&& (fudi
.fd_dict
== NULL
|| !paren
) && !eap
->skip
)
19830 * Return on an invalid expression in braces, unless the expression
19831 * evaluation has been cancelled due to an aborting error, an
19832 * interrupt, or an exception.
19836 if (!eap
->skip
&& fudi
.fd_newkey
!= NULL
)
19837 EMSG2(_(e_dictkey
), fudi
.fd_newkey
);
19838 vim_free(fudi
.fd_newkey
);
19845 /* An error in a function call during evaluation of an expression in magic
19846 * braces should not cause the function not to be defined. */
19847 saved_did_emsg
= did_emsg
;
19851 * ":function func" with only function name: list function.
19855 if (!ends_excmd(*skipwhite(p
)))
19857 EMSG(_(e_trailing
));
19860 eap
->nextcmd
= check_nextcmd(p
);
19861 if (eap
->nextcmd
!= NULL
)
19863 if (!eap
->skip
&& !got_int
)
19865 fp
= find_func(name
);
19868 list_func_head(fp
, TRUE
);
19869 for (j
= 0; j
< fp
->uf_lines
.ga_len
&& !got_int
; ++j
)
19871 if (FUNCLINE(fp
, j
) == NULL
)
19874 msg_outnum((long)(j
+ 1));
19879 msg_prt_line(FUNCLINE(fp
, j
), FALSE
);
19880 out_flush(); /* show a line at a time */
19886 msg_puts((char_u
*)" endfunction");
19890 emsg_funcname(N_("E123: Undefined function: %s"), name
);
19896 * ":function name(arg1, arg2)" Define function.
19903 EMSG2(_("E124: Missing '(': %s"), eap
->arg
);
19906 /* attempt to continue by skipping some text */
19907 if (vim_strchr(p
, '(') != NULL
)
19908 p
= vim_strchr(p
, '(');
19910 p
= skipwhite(p
+ 1);
19912 ga_init2(&newargs
, (int)sizeof(char_u
*), 3);
19913 ga_init2(&newlines
, (int)sizeof(char_u
*), 3);
19917 /* Check the name of the function. Unless it's a dictionary function
19918 * (that we are overwriting). */
19922 arg
= fudi
.fd_newkey
;
19923 if (arg
!= NULL
&& (fudi
.fd_di
== NULL
19924 || fudi
.fd_di
->di_tv
.v_type
!= VAR_FUNC
))
19926 if (*arg
== K_SPECIAL
)
19930 while (arg
[j
] != NUL
&& (j
== 0 ? eval_isnamec1(arg
[j
])
19931 : eval_isnamec(arg
[j
])))
19934 emsg_funcname((char *)e_invarg2
, arg
);
19939 * Isolate the arguments: "arg1, arg2, ...)"
19943 if (p
[0] == '.' && p
[1] == '.' && p
[2] == '.')
19952 while (ASCII_ISALNUM(*p
) || *p
== '_')
19954 if (arg
== p
|| isdigit(*arg
)
19955 || (p
- arg
== 9 && STRNCMP(arg
, "firstline", 9) == 0)
19956 || (p
- arg
== 8 && STRNCMP(arg
, "lastline", 8) == 0))
19959 EMSG2(_("E125: Illegal argument: %s"), arg
);
19962 if (ga_grow(&newargs
, 1) == FAIL
)
19966 arg
= vim_strsave(arg
);
19969 ((char_u
**)(newargs
.ga_data
))[newargs
.ga_len
] = arg
;
19978 if (mustend
&& *p
!= ')')
19981 EMSG2(_(e_invarg2
), eap
->arg
);
19985 ++p
; /* skip the ')' */
19987 /* find extra arguments "range", "dict" and "abort" */
19991 if (STRNCMP(p
, "range", 5) == 0)
19996 else if (STRNCMP(p
, "dict", 4) == 0)
20001 else if (STRNCMP(p
, "abort", 5) == 0)
20010 /* When there is a line break use what follows for the function body.
20011 * Makes 'exe "func Test()\n...\nendfunc"' work. */
20014 else if (*p
!= NUL
&& *p
!= '"' && !eap
->skip
&& !did_emsg
)
20015 EMSG(_(e_trailing
));
20018 * Read the body of the function, until ":endfunction" is found.
20022 /* Check if the function already exists, don't let the user type the
20023 * whole function before telling him it doesn't work! For a script we
20024 * need to skip the body to be able to find what follows. */
20025 if (!eap
->skip
&& !eap
->forceit
)
20027 if (fudi
.fd_dict
!= NULL
&& fudi
.fd_newkey
== NULL
)
20028 EMSG(_(e_funcdict
));
20029 else if (name
!= NULL
&& find_func(name
) != NULL
)
20030 emsg_funcname(e_funcexts
, name
);
20033 if (!eap
->skip
&& did_emsg
)
20036 msg_putchar('\n'); /* don't overwrite the function name */
20037 cmdline_row
= msg_row
;
20045 need_wait_return
= FALSE
;
20046 sourcing_lnum_off
= sourcing_lnum
;
20048 if (line_arg
!= NULL
)
20050 /* Use eap->arg, split up in parts by line breaks. */
20051 theline
= line_arg
;
20052 p
= vim_strchr(theline
, '\n');
20054 line_arg
+= STRLEN(line_arg
);
20061 else if (eap
->getline
== NULL
)
20062 theline
= getcmdline(':', 0L, indent
);
20064 theline
= eap
->getline(':', eap
->cookie
, indent
);
20066 lines_left
= Rows
- 1;
20067 if (theline
== NULL
)
20069 EMSG(_("E126: Missing :endfunction"));
20073 /* Detect line continuation: sourcing_lnum increased more than one. */
20074 if (sourcing_lnum
> sourcing_lnum_off
+ 1)
20075 sourcing_lnum_off
= sourcing_lnum
- sourcing_lnum_off
- 1;
20077 sourcing_lnum_off
= 0;
20079 if (skip_until
!= NULL
)
20081 /* between ":append" and "." and between ":python <<EOF" and "EOF"
20082 * don't check for ":endfunc". */
20083 if (STRCMP(theline
, skip_until
) == 0)
20085 vim_free(skip_until
);
20091 /* skip ':' and blanks*/
20092 for (p
= theline
; vim_iswhite(*p
) || *p
== ':'; ++p
)
20095 /* Check for "endfunction". */
20096 if (checkforcmd(&p
, "endfunction", 4) && nesting
-- == 0)
20098 if (line_arg
== NULL
)
20103 /* Increase indent inside "if", "while", "for" and "try", decrease
20105 if (indent
> 2 && STRNCMP(p
, "end", 3) == 0)
20107 else if (STRNCMP(p
, "if", 2) == 0
20108 || STRNCMP(p
, "wh", 2) == 0
20109 || STRNCMP(p
, "for", 3) == 0
20110 || STRNCMP(p
, "try", 3) == 0)
20113 /* Check for defining a function inside this function. */
20114 if (checkforcmd(&p
, "function", 2))
20117 p
= skipwhite(p
+ 1);
20118 p
+= eval_fname_script(p
);
20119 if (ASCII_ISALPHA(*p
))
20121 vim_free(trans_function_name(&p
, TRUE
, 0, NULL
));
20122 if (*skipwhite(p
) == '(')
20130 /* Check for ":append" or ":insert". */
20131 p
= skip_range(p
, NULL
);
20132 if ((p
[0] == 'a' && (!ASCII_ISALPHA(p
[1]) || p
[1] == 'p'))
20134 && (!ASCII_ISALPHA(p
[1]) || (p
[1] == 'n'
20135 && (!ASCII_ISALPHA(p
[2]) || (p
[2] == 's'))))))
20136 skip_until
= vim_strsave((char_u
*)".");
20138 /* Check for ":python <<EOF", ":tcl <<EOF", etc. */
20139 arg
= skipwhite(skiptowhite(p
));
20140 if (arg
[0] == '<' && arg
[1] =='<'
20141 && ((p
[0] == 'p' && p
[1] == 'y'
20142 && (!ASCII_ISALPHA(p
[2]) || p
[2] == 't'))
20143 || (p
[0] == 'p' && p
[1] == 'e'
20144 && (!ASCII_ISALPHA(p
[2]) || p
[2] == 'r'))
20145 || (p
[0] == 't' && p
[1] == 'c'
20146 && (!ASCII_ISALPHA(p
[2]) || p
[2] == 'l'))
20147 || (p
[0] == 'r' && p
[1] == 'u' && p
[2] == 'b'
20148 && (!ASCII_ISALPHA(p
[3]) || p
[3] == 'y'))
20149 || (p
[0] == 'm' && p
[1] == 'z'
20150 && (!ASCII_ISALPHA(p
[2]) || p
[2] == 's'))
20153 /* ":python <<" continues until a dot, like ":append" */
20154 p
= skipwhite(arg
+ 2);
20156 skip_until
= vim_strsave((char_u
*)".");
20158 skip_until
= vim_strsave(p
);
20162 /* Add the line to the function. */
20163 if (ga_grow(&newlines
, 1 + sourcing_lnum_off
) == FAIL
)
20165 if (line_arg
== NULL
)
20170 /* Copy the line to newly allocated memory. get_one_sourceline()
20171 * allocates 250 bytes per line, this saves 80% on average. The cost
20172 * is an extra alloc/free. */
20173 p
= vim_strsave(theline
);
20176 if (line_arg
== NULL
)
20181 ((char_u
**)(newlines
.ga_data
))[newlines
.ga_len
++] = theline
;
20183 /* Add NULL lines for continuation lines, so that the line count is
20184 * equal to the index in the growarray. */
20185 while (sourcing_lnum_off
-- > 0)
20186 ((char_u
**)(newlines
.ga_data
))[newlines
.ga_len
++] = NULL
;
20188 /* Check for end of eap->arg. */
20189 if (line_arg
!= NULL
&& *line_arg
== NUL
)
20193 /* Don't define the function when skipping commands or when an error was
20195 if (eap
->skip
|| did_emsg
)
20199 * If there are no errors, add the function
20201 if (fudi
.fd_dict
== NULL
)
20203 v
= find_var(name
, &ht
);
20204 if (v
!= NULL
&& v
->di_tv
.v_type
== VAR_FUNC
)
20206 emsg_funcname(N_("E707: Function name conflicts with variable: %s"),
20211 fp
= find_func(name
);
20216 emsg_funcname(e_funcexts
, name
);
20219 if (fp
->uf_calls
> 0)
20221 emsg_funcname(N_("E127: Cannot redefine function %s: It is in use"),
20225 /* redefine existing function */
20226 ga_clear_strings(&(fp
->uf_args
));
20227 ga_clear_strings(&(fp
->uf_lines
));
20237 if (fudi
.fd_newkey
== NULL
&& !eap
->forceit
)
20239 EMSG(_(e_funcdict
));
20242 if (fudi
.fd_di
== NULL
)
20244 /* Can't add a function to a locked dictionary */
20245 if (tv_check_lock(fudi
.fd_dict
->dv_lock
, eap
->arg
))
20248 /* Can't change an existing function if it is locked */
20249 else if (tv_check_lock(fudi
.fd_di
->di_tv
.v_lock
, eap
->arg
))
20252 /* Give the function a sequential number. Can only be used with a
20255 sprintf(numbuf
, "%d", ++func_nr
);
20256 name
= vim_strsave((char_u
*)numbuf
);
20263 if (fudi
.fd_dict
== NULL
&& vim_strchr(name
, AUTOLOAD_CHAR
) != NULL
)
20266 char_u
*scriptname
;
20268 /* Check that the autoload name matches the script name. */
20270 if (sourcing_name
!= NULL
)
20272 scriptname
= autoload_name(name
);
20273 if (scriptname
!= NULL
)
20275 p
= vim_strchr(scriptname
, '/');
20276 plen
= (int)STRLEN(p
);
20277 slen
= (int)STRLEN(sourcing_name
);
20278 if (slen
> plen
&& fnamecmp(p
,
20279 sourcing_name
+ slen
- plen
) == 0)
20281 vim_free(scriptname
);
20286 EMSG2(_("E746: Function name does not match script file name: %s"), name
);
20291 fp
= (ufunc_T
*)alloc((unsigned)(sizeof(ufunc_T
) + STRLEN(name
)));
20295 if (fudi
.fd_dict
!= NULL
)
20297 if (fudi
.fd_di
== NULL
)
20299 /* add new dict entry */
20300 fudi
.fd_di
= dictitem_alloc(fudi
.fd_newkey
);
20301 if (fudi
.fd_di
== NULL
)
20306 if (dict_add(fudi
.fd_dict
, fudi
.fd_di
) == FAIL
)
20308 vim_free(fudi
.fd_di
);
20314 /* overwrite existing dict entry */
20315 clear_tv(&fudi
.fd_di
->di_tv
);
20316 fudi
.fd_di
->di_tv
.v_type
= VAR_FUNC
;
20317 fudi
.fd_di
->di_tv
.v_lock
= 0;
20318 fudi
.fd_di
->di_tv
.vval
.v_string
= vim_strsave(name
);
20319 fp
->uf_refcount
= 1;
20321 /* behave like "dict" was used */
20325 /* insert the new function in the function list */
20326 STRCPY(fp
->uf_name
, name
);
20327 hash_add(&func_hashtab
, UF2HIKEY(fp
));
20329 fp
->uf_args
= newargs
;
20330 fp
->uf_lines
= newlines
;
20331 #ifdef FEAT_PROFILE
20332 fp
->uf_tml_count
= NULL
;
20333 fp
->uf_tml_total
= NULL
;
20334 fp
->uf_tml_self
= NULL
;
20335 fp
->uf_profiling
= FALSE
;
20336 if (prof_def_func())
20337 func_do_profile(fp
);
20339 fp
->uf_varargs
= varargs
;
20340 fp
->uf_flags
= flags
;
20342 fp
->uf_script_ID
= current_SID
;
20346 ga_clear_strings(&newargs
);
20347 ga_clear_strings(&newlines
);
20349 vim_free(skip_until
);
20350 vim_free(fudi
.fd_newkey
);
20352 did_emsg
|= saved_did_emsg
;
20356 * Get a function name, translating "<SID>" and "<SNR>".
20357 * Also handles a Funcref in a List or Dictionary.
20358 * Returns the function name in allocated memory, or NULL for failure.
20360 * TFN_INT: internal function name OK
20361 * TFN_QUIET: be quiet
20362 * Advances "pp" to just after the function name (if no error).
20365 trans_function_name(pp
, skip
, flags
, fdp
)
20367 int skip
; /* only find the end, don't evaluate */
20369 funcdict_T
*fdp
; /* return: info about dictionary used */
20371 char_u
*name
= NULL
;
20375 char_u sid_buf
[20];
20380 vim_memset(fdp
, 0, sizeof(funcdict_T
));
20383 /* Check for hard coded <SNR>: already translated function ID (from a user
20385 if ((*pp
)[0] == K_SPECIAL
&& (*pp
)[1] == KS_EXTRA
20386 && (*pp
)[2] == (int)KE_SNR
)
20389 len
= get_id_len(pp
) + 3;
20390 return vim_strnsave(start
, len
);
20393 /* A name starting with "<SID>" or "<SNR>" is local to a script. But
20394 * don't skip over "s:", get_lval() needs it for "s:dict.func". */
20395 lead
= eval_fname_script(start
);
20399 end
= get_lval(start
, NULL
, &lv
, FALSE
, skip
, flags
& TFN_QUIET
,
20400 lead
> 2 ? 0 : FNE_CHECK_START
);
20404 EMSG(_("E129: Function name required"));
20407 if (end
== NULL
|| (lv
.ll_tv
!= NULL
&& (lead
> 2 || lv
.ll_range
)))
20410 * Report an invalid expression in braces, unless the expression
20411 * evaluation has been cancelled due to an aborting error, an
20412 * interrupt, or an exception.
20417 EMSG2(_(e_invarg2
), start
);
20420 *pp
= find_name_end(start
, NULL
, NULL
, FNE_INCL_BR
);
20424 if (lv
.ll_tv
!= NULL
)
20428 fdp
->fd_dict
= lv
.ll_dict
;
20429 fdp
->fd_newkey
= lv
.ll_newkey
;
20430 lv
.ll_newkey
= NULL
;
20431 fdp
->fd_di
= lv
.ll_di
;
20433 if (lv
.ll_tv
->v_type
== VAR_FUNC
&& lv
.ll_tv
->vval
.v_string
!= NULL
)
20435 name
= vim_strsave(lv
.ll_tv
->vval
.v_string
);
20440 if (!skip
&& !(flags
& TFN_QUIET
) && (fdp
== NULL
20441 || lv
.ll_dict
== NULL
|| fdp
->fd_newkey
== NULL
))
20442 EMSG(_(e_funcref
));
20450 if (lv
.ll_name
== NULL
)
20452 /* Error found, but continue after the function name. */
20457 /* Check if the name is a Funcref. If so, use the value. */
20458 if (lv
.ll_exp_name
!= NULL
)
20460 len
= (int)STRLEN(lv
.ll_exp_name
);
20461 name
= deref_func_name(lv
.ll_exp_name
, &len
);
20462 if (name
== lv
.ll_exp_name
)
20467 len
= (int)(end
- *pp
);
20468 name
= deref_func_name(*pp
, &len
);
20474 name
= vim_strsave(name
);
20479 if (lv
.ll_exp_name
!= NULL
)
20481 len
= (int)STRLEN(lv
.ll_exp_name
);
20482 if (lead
<= 2 && lv
.ll_name
== lv
.ll_exp_name
20483 && STRNCMP(lv
.ll_name
, "s:", 2) == 0)
20485 /* When there was "s:" already or the name expanded to get a
20486 * leading "s:" then remove it. */
20494 if (lead
== 2) /* skip over "s:" */
20496 len
= (int)(end
- lv
.ll_name
);
20500 * Copy the function name to allocated memory.
20501 * Accept <SID>name() inside a script, translate into <SNR>123_name().
20502 * Accept <SNR>123_name() outside a script.
20505 lead
= 0; /* do nothing */
20509 if ((lv
.ll_exp_name
!= NULL
&& eval_fname_sid(lv
.ll_exp_name
))
20510 || eval_fname_sid(*pp
))
20512 /* It's "s:" or "<SID>" */
20513 if (current_SID
<= 0)
20515 EMSG(_(e_usingsid
));
20518 sprintf((char *)sid_buf
, "%ld_", (long)current_SID
);
20519 lead
+= (int)STRLEN(sid_buf
);
20522 else if (!(flags
& TFN_INT
) && builtin_function(lv
.ll_name
))
20524 EMSG2(_("E128: Function name must start with a capital or contain a colon: %s"), lv
.ll_name
);
20527 name
= alloc((unsigned)(len
+ lead
+ 1));
20532 name
[0] = K_SPECIAL
;
20533 name
[1] = KS_EXTRA
;
20534 name
[2] = (int)KE_SNR
;
20535 if (lead
> 3) /* If it's "<SID>" */
20536 STRCPY(name
+ 3, sid_buf
);
20538 mch_memmove(name
+ lead
, lv
.ll_name
, (size_t)len
);
20539 name
[len
+ lead
] = NUL
;
20549 * Return 5 if "p" starts with "<SID>" or "<SNR>" (ignoring case).
20550 * Return 2 if "p" starts with "s:".
20551 * Return 0 otherwise.
20554 eval_fname_script(p
)
20557 if (p
[0] == '<' && (STRNICMP(p
+ 1, "SID>", 4) == 0
20558 || STRNICMP(p
+ 1, "SNR>", 4) == 0))
20560 if (p
[0] == 's' && p
[1] == ':')
20566 * Return TRUE if "p" starts with "<SID>" or "s:".
20567 * Only works if eval_fname_script() returned non-zero for "p"!
20573 return (*p
== 's' || TOUPPER_ASC(p
[2]) == 'I');
20577 * List the head of the function: "name(arg1, arg2)".
20580 list_func_head(fp
, indent
)
20589 MSG_PUTS("function ");
20590 if (fp
->uf_name
[0] == K_SPECIAL
)
20592 MSG_PUTS_ATTR("<SNR>", hl_attr(HLF_8
));
20593 msg_puts(fp
->uf_name
+ 3);
20596 msg_puts(fp
->uf_name
);
20598 for (j
= 0; j
< fp
->uf_args
.ga_len
; ++j
)
20602 msg_puts(FUNCARG(fp
, j
));
20604 if (fp
->uf_varargs
)
20613 last_set_msg(fp
->uf_script_ID
);
20617 * Find a function by name, return pointer to it in ufuncs.
20618 * Return NULL for unknown function.
20626 hi
= hash_find(&func_hashtab
, name
);
20627 if (!HASHITEM_EMPTY(hi
))
20632 #if defined(EXITFREE) || defined(PROTO)
20634 free_all_functions()
20638 /* Need to start all over every time, because func_free() may change the
20640 while (func_hashtab
.ht_used
> 0)
20641 for (hi
= func_hashtab
.ht_array
; ; ++hi
)
20642 if (!HASHITEM_EMPTY(hi
))
20644 func_free(HI2UF(hi
));
20651 * Return TRUE if a function "name" exists.
20654 function_exists(name
)
20661 p
= trans_function_name(&nm
, FALSE
, TFN_INT
|TFN_QUIET
, NULL
);
20662 nm
= skipwhite(nm
);
20664 /* Only accept "funcname", "funcname ", "funcname (..." and
20665 * "funcname(...", not "funcname!...". */
20666 if (p
!= NULL
&& (*nm
== NUL
|| *nm
== '('))
20668 if (builtin_function(p
))
20669 n
= (find_internal_func(p
) >= 0);
20671 n
= (find_func(p
) != NULL
);
20678 * Return TRUE if "name" looks like a builtin function name: starts with a
20679 * lower case letter and doesn't contain a ':' or AUTOLOAD_CHAR.
20682 builtin_function(name
)
20685 return ASCII_ISLOWER(name
[0]) && vim_strchr(name
, ':') == NULL
20686 && vim_strchr(name
, AUTOLOAD_CHAR
) == NULL
;
20689 #if defined(FEAT_PROFILE) || defined(PROTO)
20691 * Start profiling function "fp".
20694 func_do_profile(fp
)
20697 fp
->uf_tm_count
= 0;
20698 profile_zero(&fp
->uf_tm_self
);
20699 profile_zero(&fp
->uf_tm_total
);
20700 if (fp
->uf_tml_count
== NULL
)
20701 fp
->uf_tml_count
= (int *)alloc_clear((unsigned)
20702 (sizeof(int) * fp
->uf_lines
.ga_len
));
20703 if (fp
->uf_tml_total
== NULL
)
20704 fp
->uf_tml_total
= (proftime_T
*)alloc_clear((unsigned)
20705 (sizeof(proftime_T
) * fp
->uf_lines
.ga_len
));
20706 if (fp
->uf_tml_self
== NULL
)
20707 fp
->uf_tml_self
= (proftime_T
*)alloc_clear((unsigned)
20708 (sizeof(proftime_T
) * fp
->uf_lines
.ga_len
));
20709 fp
->uf_tml_idx
= -1;
20710 if (fp
->uf_tml_count
== NULL
|| fp
->uf_tml_total
== NULL
20711 || fp
->uf_tml_self
== NULL
)
20712 return; /* out of memory */
20714 fp
->uf_profiling
= TRUE
;
20718 * Dump the profiling results for all functions in file "fd".
20721 func_dump_profile(fd
)
20731 todo
= (int)func_hashtab
.ht_used
;
20733 return; /* nothing to dump */
20735 sorttab
= (ufunc_T
**)alloc((unsigned)(sizeof(ufunc_T
) * todo
));
20737 for (hi
= func_hashtab
.ht_array
; todo
> 0; ++hi
)
20739 if (!HASHITEM_EMPTY(hi
))
20743 if (fp
->uf_profiling
)
20745 if (sorttab
!= NULL
)
20746 sorttab
[st_len
++] = fp
;
20748 if (fp
->uf_name
[0] == K_SPECIAL
)
20749 fprintf(fd
, "FUNCTION <SNR>%s()\n", fp
->uf_name
+ 3);
20751 fprintf(fd
, "FUNCTION %s()\n", fp
->uf_name
);
20752 if (fp
->uf_tm_count
== 1)
20753 fprintf(fd
, "Called 1 time\n");
20755 fprintf(fd
, "Called %d times\n", fp
->uf_tm_count
);
20756 fprintf(fd
, "Total time: %s\n", profile_msg(&fp
->uf_tm_total
));
20757 fprintf(fd
, " Self time: %s\n", profile_msg(&fp
->uf_tm_self
));
20759 fprintf(fd
, "count total (s) self (s)\n");
20761 for (i
= 0; i
< fp
->uf_lines
.ga_len
; ++i
)
20763 if (FUNCLINE(fp
, i
) == NULL
)
20765 prof_func_line(fd
, fp
->uf_tml_count
[i
],
20766 &fp
->uf_tml_total
[i
], &fp
->uf_tml_self
[i
], TRUE
);
20767 fprintf(fd
, "%s\n", FUNCLINE(fp
, i
));
20774 if (sorttab
!= NULL
&& st_len
> 0)
20776 qsort((void *)sorttab
, (size_t)st_len
, sizeof(ufunc_T
*),
20778 prof_sort_list(fd
, sorttab
, st_len
, "TOTAL", FALSE
);
20779 qsort((void *)sorttab
, (size_t)st_len
, sizeof(ufunc_T
*),
20781 prof_sort_list(fd
, sorttab
, st_len
, "SELF", TRUE
);
20788 prof_sort_list(fd
, sorttab
, st_len
, title
, prefer_self
)
20793 int prefer_self
; /* when equal print only self time */
20798 fprintf(fd
, "FUNCTIONS SORTED ON %s TIME\n", title
);
20799 fprintf(fd
, "count total (s) self (s) function\n");
20800 for (i
= 0; i
< 20 && i
< st_len
; ++i
)
20803 prof_func_line(fd
, fp
->uf_tm_count
, &fp
->uf_tm_total
, &fp
->uf_tm_self
,
20805 if (fp
->uf_name
[0] == K_SPECIAL
)
20806 fprintf(fd
, " <SNR>%s()\n", fp
->uf_name
+ 3);
20808 fprintf(fd
, " %s()\n", fp
->uf_name
);
20814 * Print the count and times for one function or function line.
20817 prof_func_line(fd
, count
, total
, self
, prefer_self
)
20822 int prefer_self
; /* when equal print only self time */
20826 fprintf(fd
, "%5d ", count
);
20827 if (prefer_self
&& profile_equal(total
, self
))
20830 fprintf(fd
, "%s ", profile_msg(total
));
20831 if (!prefer_self
&& profile_equal(total
, self
))
20834 fprintf(fd
, "%s ", profile_msg(self
));
20841 * Compare function for total time sorting.
20844 #ifdef __BORLANDC__
20847 prof_total_cmp(s1
, s2
)
20853 p1
= *(ufunc_T
**)s1
;
20854 p2
= *(ufunc_T
**)s2
;
20855 return profile_cmp(&p1
->uf_tm_total
, &p2
->uf_tm_total
);
20859 * Compare function for self time sorting.
20862 #ifdef __BORLANDC__
20865 prof_self_cmp(s1
, s2
)
20871 p1
= *(ufunc_T
**)s1
;
20872 p2
= *(ufunc_T
**)s2
;
20873 return profile_cmp(&p1
->uf_tm_self
, &p2
->uf_tm_self
);
20879 * If "name" has a package name try autoloading the script for it.
20880 * Return TRUE if a package was loaded.
20883 script_autoload(name
, reload
)
20885 int reload
; /* load script again when already loaded */
20888 char_u
*scriptname
, *tofree
;
20892 /* If there is no '#' after name[0] there is no package name. */
20893 p
= vim_strchr(name
, AUTOLOAD_CHAR
);
20894 if (p
== NULL
|| p
== name
)
20897 tofree
= scriptname
= autoload_name(name
);
20899 /* Find the name in the list of previously loaded package names. Skip
20900 * "autoload/", it's always the same. */
20901 for (i
= 0; i
< ga_loaded
.ga_len
; ++i
)
20902 if (STRCMP(((char_u
**)ga_loaded
.ga_data
)[i
] + 9, scriptname
+ 9) == 0)
20904 if (!reload
&& i
< ga_loaded
.ga_len
)
20905 ret
= FALSE
; /* was loaded already */
20908 /* Remember the name if it wasn't loaded already. */
20909 if (i
== ga_loaded
.ga_len
&& ga_grow(&ga_loaded
, 1) == OK
)
20911 ((char_u
**)ga_loaded
.ga_data
)[ga_loaded
.ga_len
++] = scriptname
;
20915 /* Try loading the package from $VIMRUNTIME/autoload/<name>.vim */
20916 if (source_runtime(scriptname
, FALSE
) == OK
)
20925 * Return the autoload script name for a function or variable name.
20926 * Returns NULL when out of memory.
20929 autoload_name(name
)
20933 char_u
*scriptname
;
20935 /* Get the script file name: replace '#' with '/', append ".vim". */
20936 scriptname
= alloc((unsigned)(STRLEN(name
) + 14));
20937 if (scriptname
== NULL
)
20939 STRCPY(scriptname
, "autoload/");
20940 STRCAT(scriptname
, name
);
20941 *vim_strrchr(scriptname
, AUTOLOAD_CHAR
) = NUL
;
20942 STRCAT(scriptname
, ".vim");
20943 while ((p
= vim_strchr(scriptname
, AUTOLOAD_CHAR
)) != NULL
)
20948 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
20951 * Function given to ExpandGeneric() to obtain the list of user defined
20955 get_user_func_name(xp
, idx
)
20959 static long_u done
;
20960 static hashitem_T
*hi
;
20966 hi
= func_hashtab
.ht_array
;
20968 if (done
< func_hashtab
.ht_used
)
20972 while (HASHITEM_EMPTY(hi
))
20976 if (STRLEN(fp
->uf_name
) + 4 >= IOSIZE
)
20977 return fp
->uf_name
; /* prevents overflow */
20979 cat_func_name(IObuff
, fp
);
20980 if (xp
->xp_context
!= EXPAND_USER_FUNC
)
20982 STRCAT(IObuff
, "(");
20983 if (!fp
->uf_varargs
&& fp
->uf_args
.ga_len
== 0)
20984 STRCAT(IObuff
, ")");
20991 #endif /* FEAT_CMDL_COMPL */
20994 * Copy the function name of "fp" to buffer "buf".
20995 * "buf" must be able to hold the function name plus three bytes.
20996 * Takes care of script-local function names.
20999 cat_func_name(buf
, fp
)
21003 if (fp
->uf_name
[0] == K_SPECIAL
)
21005 STRCPY(buf
, "<SNR>");
21006 STRCAT(buf
, fp
->uf_name
+ 3);
21009 STRCPY(buf
, fp
->uf_name
);
21013 * ":delfunction {name}"
21016 ex_delfunction(eap
)
21019 ufunc_T
*fp
= NULL
;
21025 name
= trans_function_name(&p
, eap
->skip
, 0, &fudi
);
21026 vim_free(fudi
.fd_newkey
);
21029 if (fudi
.fd_dict
!= NULL
&& !eap
->skip
)
21030 EMSG(_(e_funcref
));
21033 if (!ends_excmd(*skipwhite(p
)))
21036 EMSG(_(e_trailing
));
21039 eap
->nextcmd
= check_nextcmd(p
);
21040 if (eap
->nextcmd
!= NULL
)
21044 fp
= find_func(name
);
21051 EMSG2(_(e_nofunc
), eap
->arg
);
21054 if (fp
->uf_calls
> 0)
21056 EMSG2(_("E131: Cannot delete function %s: It is in use"), eap
->arg
);
21060 if (fudi
.fd_dict
!= NULL
)
21062 /* Delete the dict item that refers to the function, it will
21063 * invoke func_unref() and possibly delete the function. */
21064 dictitem_remove(fudi
.fd_dict
, fudi
.fd_di
);
21072 * Free a function and remove it from the list of functions.
21080 /* clear this function */
21081 ga_clear_strings(&(fp
->uf_args
));
21082 ga_clear_strings(&(fp
->uf_lines
));
21083 #ifdef FEAT_PROFILE
21084 vim_free(fp
->uf_tml_count
);
21085 vim_free(fp
->uf_tml_total
);
21086 vim_free(fp
->uf_tml_self
);
21089 /* remove the function from the function hashtable */
21090 hi
= hash_find(&func_hashtab
, UF2HIKEY(fp
));
21091 if (HASHITEM_EMPTY(hi
))
21092 EMSG2(_(e_intern2
), "func_free()");
21094 hash_remove(&func_hashtab
, hi
);
21100 * Unreference a Function: decrement the reference count and free it when it
21101 * becomes zero. Only for numbered functions.
21109 if (name
!= NULL
&& isdigit(*name
))
21111 fp
= find_func(name
);
21113 EMSG2(_(e_intern2
), "func_unref()");
21114 else if (--fp
->uf_refcount
<= 0)
21116 /* Only delete it when it's not being used. Otherwise it's done
21117 * when "uf_calls" becomes zero. */
21118 if (fp
->uf_calls
== 0)
21125 * Count a reference to a Function.
21133 if (name
!= NULL
&& isdigit(*name
))
21135 fp
= find_func(name
);
21137 EMSG2(_(e_intern2
), "func_ref()");
21144 * Call a user function.
21147 call_user_func(fp
, argcount
, argvars
, rettv
, firstline
, lastline
, selfdict
)
21148 ufunc_T
*fp
; /* pointer to function */
21149 int argcount
; /* nr of args */
21150 typval_T
*argvars
; /* arguments */
21151 typval_T
*rettv
; /* return value */
21152 linenr_T firstline
; /* first line of range */
21153 linenr_T lastline
; /* last line of range */
21154 dict_T
*selfdict
; /* Dictionary for "self" */
21156 char_u
*save_sourcing_name
;
21157 linenr_T save_sourcing_lnum
;
21158 scid_T save_current_SID
;
21161 static int depth
= 0;
21163 int fixvar_idx
= 0; /* index in fixvar[] */
21166 char_u numbuf
[NUMBUFLEN
];
21168 #ifdef FEAT_PROFILE
21169 proftime_T wait_start
;
21170 proftime_T call_start
;
21173 /* If depth of calling is getting too high, don't execute the function */
21174 if (depth
>= p_mfd
)
21176 EMSG(_("E132: Function call depth is higher than 'maxfuncdepth'"));
21177 rettv
->v_type
= VAR_NUMBER
;
21178 rettv
->vval
.v_number
= -1;
21183 line_breakcheck(); /* check for CTRL-C hit */
21185 fc
= (funccall_T
*)alloc(sizeof(funccall_T
));
21186 fc
->caller
= current_funccal
;
21187 current_funccal
= fc
;
21190 rettv
->vval
.v_number
= 0;
21192 fc
->returned
= FALSE
;
21193 fc
->level
= ex_nesting_level
;
21194 /* Check if this function has a breakpoint. */
21195 fc
->breakpoint
= dbg_find_breakpoint(FALSE
, fp
->uf_name
, (linenr_T
)0);
21196 fc
->dbg_tick
= debug_tick
;
21199 * Note about using fc->fixvar[]: This is an array of FIXVAR_CNT variables
21200 * with names up to VAR_SHORT_LEN long. This avoids having to alloc/free
21201 * each argument variable and saves a lot of time.
21204 * Init l: variables.
21206 init_var_dict(&fc
->l_vars
, &fc
->l_vars_var
);
21207 if (selfdict
!= NULL
)
21209 /* Set l:self to "selfdict". Use "name" to avoid a warning from
21210 * some compiler that checks the destination size. */
21211 v
= &fc
->fixvar
[fixvar_idx
++].var
;
21213 STRCPY(name
, "self");
21214 v
->di_flags
= DI_FLAGS_RO
+ DI_FLAGS_FIX
;
21215 hash_add(&fc
->l_vars
.dv_hashtab
, DI2HIKEY(v
));
21216 v
->di_tv
.v_type
= VAR_DICT
;
21217 v
->di_tv
.v_lock
= 0;
21218 v
->di_tv
.vval
.v_dict
= selfdict
;
21219 ++selfdict
->dv_refcount
;
21223 * Init a: variables.
21224 * Set a:0 to "argcount".
21225 * Set a:000 to a list with room for the "..." arguments.
21227 init_var_dict(&fc
->l_avars
, &fc
->l_avars_var
);
21228 add_nr_var(&fc
->l_avars
, &fc
->fixvar
[fixvar_idx
++].var
, "0",
21229 (varnumber_T
)(argcount
- fp
->uf_args
.ga_len
));
21230 /* Use "name" to avoid a warning from some compiler that checks the
21231 * destination size. */
21232 v
= &fc
->fixvar
[fixvar_idx
++].var
;
21234 STRCPY(name
, "000");
21235 v
->di_flags
= DI_FLAGS_RO
| DI_FLAGS_FIX
;
21236 hash_add(&fc
->l_avars
.dv_hashtab
, DI2HIKEY(v
));
21237 v
->di_tv
.v_type
= VAR_LIST
;
21238 v
->di_tv
.v_lock
= VAR_FIXED
;
21239 v
->di_tv
.vval
.v_list
= &fc
->l_varlist
;
21240 vim_memset(&fc
->l_varlist
, 0, sizeof(list_T
));
21241 fc
->l_varlist
.lv_refcount
= DO_NOT_FREE_CNT
;
21242 fc
->l_varlist
.lv_lock
= VAR_FIXED
;
21245 * Set a:firstline to "firstline" and a:lastline to "lastline".
21246 * Set a:name to named arguments.
21247 * Set a:N to the "..." arguments.
21249 add_nr_var(&fc
->l_avars
, &fc
->fixvar
[fixvar_idx
++].var
, "firstline",
21250 (varnumber_T
)firstline
);
21251 add_nr_var(&fc
->l_avars
, &fc
->fixvar
[fixvar_idx
++].var
, "lastline",
21252 (varnumber_T
)lastline
);
21253 for (i
= 0; i
< argcount
; ++i
)
21255 ai
= i
- fp
->uf_args
.ga_len
;
21257 /* named argument a:name */
21258 name
= FUNCARG(fp
, i
);
21261 /* "..." argument a:1, a:2, etc. */
21262 sprintf((char *)numbuf
, "%d", ai
+ 1);
21265 if (fixvar_idx
< FIXVAR_CNT
&& STRLEN(name
) <= VAR_SHORT_LEN
)
21267 v
= &fc
->fixvar
[fixvar_idx
++].var
;
21268 v
->di_flags
= DI_FLAGS_RO
| DI_FLAGS_FIX
;
21272 v
= (dictitem_T
*)alloc((unsigned)(sizeof(dictitem_T
)
21276 v
->di_flags
= DI_FLAGS_RO
;
21278 STRCPY(v
->di_key
, name
);
21279 hash_add(&fc
->l_avars
.dv_hashtab
, DI2HIKEY(v
));
21281 /* Note: the values are copied directly to avoid alloc/free.
21282 * "argvars" must have VAR_FIXED for v_lock. */
21283 v
->di_tv
= argvars
[i
];
21284 v
->di_tv
.v_lock
= VAR_FIXED
;
21286 if (ai
>= 0 && ai
< MAX_FUNC_ARGS
)
21288 list_append(&fc
->l_varlist
, &fc
->l_listitems
[ai
]);
21289 fc
->l_listitems
[ai
].li_tv
= argvars
[i
];
21290 fc
->l_listitems
[ai
].li_tv
.v_lock
= VAR_FIXED
;
21294 /* Don't redraw while executing the function. */
21295 ++RedrawingDisabled
;
21296 save_sourcing_name
= sourcing_name
;
21297 save_sourcing_lnum
= sourcing_lnum
;
21299 sourcing_name
= alloc((unsigned)((save_sourcing_name
== NULL
? 0
21300 : STRLEN(save_sourcing_name
)) + STRLEN(fp
->uf_name
) + 13));
21301 if (sourcing_name
!= NULL
)
21303 if (save_sourcing_name
!= NULL
21304 && STRNCMP(save_sourcing_name
, "function ", 9) == 0)
21305 sprintf((char *)sourcing_name
, "%s..", save_sourcing_name
);
21307 STRCPY(sourcing_name
, "function ");
21308 cat_func_name(sourcing_name
+ STRLEN(sourcing_name
), fp
);
21310 if (p_verbose
>= 12)
21313 verbose_enter_scroll();
21315 smsg((char_u
*)_("calling %s"), sourcing_name
);
21316 if (p_verbose
>= 14)
21318 char_u buf
[MSG_BUF_LEN
];
21319 char_u numbuf2
[NUMBUFLEN
];
21323 msg_puts((char_u
*)"(");
21324 for (i
= 0; i
< argcount
; ++i
)
21327 msg_puts((char_u
*)", ");
21328 if (argvars
[i
].v_type
== VAR_NUMBER
)
21329 msg_outnum((long)argvars
[i
].vval
.v_number
);
21332 s
= tv2string(&argvars
[i
], &tofree
, numbuf2
, 0);
21335 trunc_string(s
, buf
, MSG_BUF_CLEN
);
21341 msg_puts((char_u
*)")");
21343 msg_puts((char_u
*)"\n"); /* don't overwrite this either */
21345 verbose_leave_scroll();
21349 #ifdef FEAT_PROFILE
21350 if (do_profiling
== PROF_YES
)
21352 if (!fp
->uf_profiling
&& has_profiling(FALSE
, fp
->uf_name
, NULL
))
21353 func_do_profile(fp
);
21354 if (fp
->uf_profiling
21355 || (fc
->caller
!= NULL
&& fc
->caller
->func
->uf_profiling
))
21358 profile_start(&call_start
);
21359 profile_zero(&fp
->uf_tm_children
);
21361 script_prof_save(&wait_start
);
21365 save_current_SID
= current_SID
;
21366 current_SID
= fp
->uf_script_ID
;
21367 save_did_emsg
= did_emsg
;
21370 /* call do_cmdline() to execute the lines */
21371 do_cmdline(NULL
, get_func_line
, (void *)fc
,
21372 DOCMD_NOWAIT
|DOCMD_VERBOSE
|DOCMD_REPEAT
);
21374 --RedrawingDisabled
;
21376 /* when the function was aborted because of an error, return -1 */
21377 if ((did_emsg
&& (fp
->uf_flags
& FC_ABORT
)) || rettv
->v_type
== VAR_UNKNOWN
)
21380 rettv
->v_type
= VAR_NUMBER
;
21381 rettv
->vval
.v_number
= -1;
21384 #ifdef FEAT_PROFILE
21385 if (do_profiling
== PROF_YES
&& (fp
->uf_profiling
21386 || (fc
->caller
!= NULL
&& fc
->caller
->func
->uf_profiling
)))
21388 profile_end(&call_start
);
21389 profile_sub_wait(&wait_start
, &call_start
);
21390 profile_add(&fp
->uf_tm_total
, &call_start
);
21391 profile_self(&fp
->uf_tm_self
, &call_start
, &fp
->uf_tm_children
);
21392 if (fc
->caller
!= NULL
&& fc
->caller
->func
->uf_profiling
)
21394 profile_add(&fc
->caller
->func
->uf_tm_children
, &call_start
);
21395 profile_add(&fc
->caller
->func
->uf_tml_children
, &call_start
);
21400 /* when being verbose, mention the return value */
21401 if (p_verbose
>= 12)
21404 verbose_enter_scroll();
21407 smsg((char_u
*)_("%s aborted"), sourcing_name
);
21408 else if (fc
->rettv
->v_type
== VAR_NUMBER
)
21409 smsg((char_u
*)_("%s returning #%ld"), sourcing_name
,
21410 (long)fc
->rettv
->vval
.v_number
);
21413 char_u buf
[MSG_BUF_LEN
];
21414 char_u numbuf2
[NUMBUFLEN
];
21418 /* The value may be very long. Skip the middle part, so that we
21419 * have some idea how it starts and ends. smsg() would always
21420 * truncate it at the end. */
21421 s
= tv2string(fc
->rettv
, &tofree
, numbuf2
, 0);
21424 trunc_string(s
, buf
, MSG_BUF_CLEN
);
21425 smsg((char_u
*)_("%s returning %s"), sourcing_name
, buf
);
21429 msg_puts((char_u
*)"\n"); /* don't overwrite this either */
21431 verbose_leave_scroll();
21435 vim_free(sourcing_name
);
21436 sourcing_name
= save_sourcing_name
;
21437 sourcing_lnum
= save_sourcing_lnum
;
21438 current_SID
= save_current_SID
;
21439 #ifdef FEAT_PROFILE
21440 if (do_profiling
== PROF_YES
)
21441 script_prof_restore(&wait_start
);
21444 if (p_verbose
>= 12 && sourcing_name
!= NULL
)
21447 verbose_enter_scroll();
21449 smsg((char_u
*)_("continuing in %s"), sourcing_name
);
21450 msg_puts((char_u
*)"\n"); /* don't overwrite this either */
21452 verbose_leave_scroll();
21456 did_emsg
|= save_did_emsg
;
21457 current_funccal
= fc
->caller
;
21460 /* If the a:000 list and the l: and a: dicts are not referenced we can
21461 * free the funccall_T and what's in it. */
21462 if (fc
->l_varlist
.lv_refcount
== DO_NOT_FREE_CNT
21463 && fc
->l_vars
.dv_refcount
== DO_NOT_FREE_CNT
21464 && fc
->l_avars
.dv_refcount
== DO_NOT_FREE_CNT
)
21466 free_funccal(fc
, FALSE
);
21474 /* "fc" is still in use. This can happen when returning "a:000" or
21475 * assigning "l:" to a global variable.
21476 * Link "fc" in the list for garbage collection later. */
21477 fc
->caller
= previous_funccal
;
21478 previous_funccal
= fc
;
21480 /* Make a copy of the a: variables, since we didn't do that above. */
21481 todo
= (int)fc
->l_avars
.dv_hashtab
.ht_used
;
21482 for (hi
= fc
->l_avars
.dv_hashtab
.ht_array
; todo
> 0; ++hi
)
21484 if (!HASHITEM_EMPTY(hi
))
21488 copy_tv(&v
->di_tv
, &v
->di_tv
);
21492 /* Make a copy of the a:000 items, since we didn't do that above. */
21493 for (li
= fc
->l_varlist
.lv_first
; li
!= NULL
; li
= li
->li_next
)
21494 copy_tv(&li
->li_tv
, &li
->li_tv
);
21499 * Return TRUE if items in "fc" do not have "copyID". That means they are not
21500 * referenced from anywhere that is in use.
21503 can_free_funccal(fc
, copyID
)
21507 return (fc
->l_varlist
.lv_copyID
!= copyID
21508 && fc
->l_vars
.dv_copyID
!= copyID
21509 && fc
->l_avars
.dv_copyID
!= copyID
);
21513 * Free "fc" and what it contains.
21516 free_funccal(fc
, free_val
)
21518 int free_val
; /* a: vars were allocated */
21522 /* The a: variables typevals may not have been allocated, only free the
21523 * allocated variables. */
21524 vars_clear_ext(&fc
->l_avars
.dv_hashtab
, free_val
);
21526 /* free all l: variables */
21527 vars_clear(&fc
->l_vars
.dv_hashtab
);
21529 /* Free the a:000 variables if they were allocated. */
21531 for (li
= fc
->l_varlist
.lv_first
; li
!= NULL
; li
= li
->li_next
)
21532 clear_tv(&li
->li_tv
);
21538 * Add a number variable "name" to dict "dp" with value "nr".
21541 add_nr_var(dp
, v
, name
, nr
)
21547 STRCPY(v
->di_key
, name
);
21548 v
->di_flags
= DI_FLAGS_RO
| DI_FLAGS_FIX
;
21549 hash_add(&dp
->dv_hashtab
, DI2HIKEY(v
));
21550 v
->di_tv
.v_type
= VAR_NUMBER
;
21551 v
->di_tv
.v_lock
= VAR_FIXED
;
21552 v
->di_tv
.vval
.v_number
= nr
;
21562 char_u
*arg
= eap
->arg
;
21564 int returning
= FALSE
;
21566 if (current_funccal
== NULL
)
21568 EMSG(_("E133: :return not inside a function"));
21575 eap
->nextcmd
= NULL
;
21576 if ((*arg
!= NUL
&& *arg
!= '|' && *arg
!= '\n')
21577 && eval0(arg
, &rettv
, &eap
->nextcmd
, !eap
->skip
) != FAIL
)
21580 returning
= do_return(eap
, FALSE
, TRUE
, &rettv
);
21584 /* It's safer to return also on error. */
21585 else if (!eap
->skip
)
21588 * Return unless the expression evaluation has been cancelled due to an
21589 * aborting error, an interrupt, or an exception.
21592 returning
= do_return(eap
, FALSE
, TRUE
, NULL
);
21595 /* When skipping or the return gets pending, advance to the next command
21596 * in this line (!returning). Otherwise, ignore the rest of the line.
21597 * Following lines will be ignored by get_func_line(). */
21599 eap
->nextcmd
= NULL
;
21600 else if (eap
->nextcmd
== NULL
) /* no argument */
21601 eap
->nextcmd
= check_nextcmd(arg
);
21608 * Return from a function. Possibly makes the return pending. Also called
21609 * for a pending return at the ":endtry" or after returning from an extra
21610 * do_cmdline(). "reanimate" is used in the latter case. "is_cmd" is set
21611 * when called due to a ":return" command. "rettv" may point to a typval_T
21612 * with the return rettv. Returns TRUE when the return can be carried out,
21613 * FALSE when the return gets pending.
21616 do_return(eap
, reanimate
, is_cmd
, rettv
)
21623 struct condstack
*cstack
= eap
->cstack
;
21626 /* Undo the return. */
21627 current_funccal
->returned
= FALSE
;
21630 * Cleanup (and inactivate) conditionals, but stop when a try conditional
21631 * not in its finally clause (which then is to be executed next) is found.
21632 * In this case, make the ":return" pending for execution at the ":endtry".
21633 * Otherwise, return normally.
21635 idx
= cleanup_conditionals(eap
->cstack
, 0, TRUE
);
21638 cstack
->cs_pending
[idx
] = CSTP_RETURN
;
21640 if (!is_cmd
&& !reanimate
)
21641 /* A pending return again gets pending. "rettv" points to an
21642 * allocated variable with the rettv of the original ":return"'s
21643 * argument if present or is NULL else. */
21644 cstack
->cs_rettv
[idx
] = rettv
;
21647 /* When undoing a return in order to make it pending, get the stored
21650 rettv
= current_funccal
->rettv
;
21654 /* Store the value of the pending return. */
21655 if ((cstack
->cs_rettv
[idx
] = alloc_tv()) != NULL
)
21656 *(typval_T
*)cstack
->cs_rettv
[idx
] = *(typval_T
*)rettv
;
21658 EMSG(_(e_outofmem
));
21661 cstack
->cs_rettv
[idx
] = NULL
;
21665 /* The pending return value could be overwritten by a ":return"
21666 * without argument in a finally clause; reset the default
21668 current_funccal
->rettv
->v_type
= VAR_NUMBER
;
21669 current_funccal
->rettv
->vval
.v_number
= 0;
21672 report_make_pending(CSTP_RETURN
, rettv
);
21676 current_funccal
->returned
= TRUE
;
21678 /* If the return is carried out now, store the return value. For
21679 * a return immediately after reanimation, the value is already
21681 if (!reanimate
&& rettv
!= NULL
)
21683 clear_tv(current_funccal
->rettv
);
21684 *current_funccal
->rettv
= *(typval_T
*)rettv
;
21694 * Free the variable with a pending return value.
21697 discard_pending_return(rettv
)
21700 free_tv((typval_T
*)rettv
);
21704 * Generate a return command for producing the value of "rettv". The result
21705 * is an allocated string. Used by report_pending() for verbose messages.
21708 get_return_cmd(rettv
)
21712 char_u
*tofree
= NULL
;
21713 char_u numbuf
[NUMBUFLEN
];
21716 s
= echo_string((typval_T
*)rettv
, &tofree
, numbuf
, 0);
21720 STRCPY(IObuff
, ":return ");
21721 STRNCPY(IObuff
+ 8, s
, IOSIZE
- 8);
21722 if (STRLEN(s
) + 8 >= IOSIZE
)
21723 STRCPY(IObuff
+ IOSIZE
- 4, "...");
21725 return vim_strsave(IObuff
);
21729 * Get next function line.
21730 * Called by do_cmdline() to get the next line.
21731 * Returns allocated string, or NULL for end of function.
21734 get_func_line(c
, cookie
, indent
)
21739 funccall_T
*fcp
= (funccall_T
*)cookie
;
21740 ufunc_T
*fp
= fcp
->func
;
21742 garray_T
*gap
; /* growarray with function lines */
21744 /* If breakpoints have been added/deleted need to check for it. */
21745 if (fcp
->dbg_tick
!= debug_tick
)
21747 fcp
->breakpoint
= dbg_find_breakpoint(FALSE
, fp
->uf_name
,
21749 fcp
->dbg_tick
= debug_tick
;
21751 #ifdef FEAT_PROFILE
21752 if (do_profiling
== PROF_YES
)
21753 func_line_end(cookie
);
21756 gap
= &fp
->uf_lines
;
21757 if (((fp
->uf_flags
& FC_ABORT
) && did_emsg
&& !aborted_in_try())
21762 /* Skip NULL lines (continuation lines). */
21763 while (fcp
->linenr
< gap
->ga_len
21764 && ((char_u
**)(gap
->ga_data
))[fcp
->linenr
] == NULL
)
21766 if (fcp
->linenr
>= gap
->ga_len
)
21770 retval
= vim_strsave(((char_u
**)(gap
->ga_data
))[fcp
->linenr
++]);
21771 sourcing_lnum
= fcp
->linenr
;
21772 #ifdef FEAT_PROFILE
21773 if (do_profiling
== PROF_YES
)
21774 func_line_start(cookie
);
21779 /* Did we encounter a breakpoint? */
21780 if (fcp
->breakpoint
!= 0 && fcp
->breakpoint
<= sourcing_lnum
)
21782 dbg_breakpoint(fp
->uf_name
, sourcing_lnum
);
21783 /* Find next breakpoint. */
21784 fcp
->breakpoint
= dbg_find_breakpoint(FALSE
, fp
->uf_name
,
21786 fcp
->dbg_tick
= debug_tick
;
21792 #if defined(FEAT_PROFILE) || defined(PROTO)
21794 * Called when starting to read a function line.
21795 * "sourcing_lnum" must be correct!
21796 * When skipping lines it may not actually be executed, but we won't find out
21797 * until later and we need to store the time now.
21800 func_line_start(cookie
)
21803 funccall_T
*fcp
= (funccall_T
*)cookie
;
21804 ufunc_T
*fp
= fcp
->func
;
21806 if (fp
->uf_profiling
&& sourcing_lnum
>= 1
21807 && sourcing_lnum
<= fp
->uf_lines
.ga_len
)
21809 fp
->uf_tml_idx
= sourcing_lnum
- 1;
21810 /* Skip continuation lines. */
21811 while (fp
->uf_tml_idx
> 0 && FUNCLINE(fp
, fp
->uf_tml_idx
) == NULL
)
21813 fp
->uf_tml_execed
= FALSE
;
21814 profile_start(&fp
->uf_tml_start
);
21815 profile_zero(&fp
->uf_tml_children
);
21816 profile_get_wait(&fp
->uf_tml_wait
);
21821 * Called when actually executing a function line.
21824 func_line_exec(cookie
)
21827 funccall_T
*fcp
= (funccall_T
*)cookie
;
21828 ufunc_T
*fp
= fcp
->func
;
21830 if (fp
->uf_profiling
&& fp
->uf_tml_idx
>= 0)
21831 fp
->uf_tml_execed
= TRUE
;
21835 * Called when done with a function line.
21838 func_line_end(cookie
)
21841 funccall_T
*fcp
= (funccall_T
*)cookie
;
21842 ufunc_T
*fp
= fcp
->func
;
21844 if (fp
->uf_profiling
&& fp
->uf_tml_idx
>= 0)
21846 if (fp
->uf_tml_execed
)
21848 ++fp
->uf_tml_count
[fp
->uf_tml_idx
];
21849 profile_end(&fp
->uf_tml_start
);
21850 profile_sub_wait(&fp
->uf_tml_wait
, &fp
->uf_tml_start
);
21851 profile_add(&fp
->uf_tml_total
[fp
->uf_tml_idx
], &fp
->uf_tml_start
);
21852 profile_self(&fp
->uf_tml_self
[fp
->uf_tml_idx
], &fp
->uf_tml_start
,
21853 &fp
->uf_tml_children
);
21855 fp
->uf_tml_idx
= -1;
21861 * Return TRUE if the currently active function should be ended, because a
21862 * return was encountered or an error occurred. Used inside a ":while".
21865 func_has_ended(cookie
)
21868 funccall_T
*fcp
= (funccall_T
*)cookie
;
21870 /* Ignore the "abort" flag if the abortion behavior has been changed due to
21871 * an error inside a try conditional. */
21872 return (((fcp
->func
->uf_flags
& FC_ABORT
) && did_emsg
&& !aborted_in_try())
21877 * return TRUE if cookie indicates a function which "abort"s on errors.
21880 func_has_abort(cookie
)
21883 return ((funccall_T
*)cookie
)->func
->uf_flags
& FC_ABORT
;
21886 #if defined(FEAT_VIMINFO) || defined(FEAT_SESSION)
21889 VAR_FLAVOUR_DEFAULT
, /* doesn't start with uppercase */
21890 VAR_FLAVOUR_SESSION
, /* starts with uppercase, some lower */
21891 VAR_FLAVOUR_VIMINFO
/* all uppercase */
21894 static var_flavour_T var_flavour
__ARGS((char_u
*varname
));
21896 static var_flavour_T
21897 var_flavour(varname
)
21900 char_u
*p
= varname
;
21902 if (ASCII_ISUPPER(*p
))
21905 if (ASCII_ISLOWER(*p
))
21906 return VAR_FLAVOUR_SESSION
;
21907 return VAR_FLAVOUR_VIMINFO
;
21910 return VAR_FLAVOUR_DEFAULT
;
21914 #if defined(FEAT_VIMINFO) || defined(PROTO)
21916 * Restore global vars that start with a capital from the viminfo file
21919 read_viminfo_varlist(virp
, writing
)
21924 int type
= VAR_NUMBER
;
21927 if (!writing
&& (find_viminfo_parameter('!') != NULL
))
21929 tab
= vim_strchr(virp
->vir_line
+ 1, '\t');
21932 *tab
++ = '\0'; /* isolate the variable name */
21933 if (*tab
== 'S') /* string var */
21936 else if (*tab
== 'F')
21940 tab
= vim_strchr(tab
, '\t');
21944 if (type
== VAR_STRING
)
21945 tv
.vval
.v_string
= viminfo_readstring(virp
,
21946 (int)(tab
- virp
->vir_line
+ 1), TRUE
);
21948 else if (type
== VAR_FLOAT
)
21949 (void)string2float(tab
+ 1, &tv
.vval
.v_float
);
21952 tv
.vval
.v_number
= atol((char *)tab
+ 1);
21953 set_var(virp
->vir_line
+ 1, &tv
, FALSE
);
21954 if (type
== VAR_STRING
)
21955 vim_free(tv
.vval
.v_string
);
21960 return viminfo_readline(virp
);
21964 * Write global vars that start with a capital to the viminfo file
21967 write_viminfo_varlist(fp
)
21971 dictitem_T
*this_var
;
21976 char_u numbuf
[NUMBUFLEN
];
21978 if (find_viminfo_parameter('!') == NULL
)
21981 fprintf(fp
, _("\n# global variables:\n"));
21983 todo
= (int)globvarht
.ht_used
;
21984 for (hi
= globvarht
.ht_array
; todo
> 0; ++hi
)
21986 if (!HASHITEM_EMPTY(hi
))
21989 this_var
= HI2DI(hi
);
21990 if (var_flavour(this_var
->di_key
) == VAR_FLAVOUR_VIMINFO
)
21992 switch (this_var
->di_tv
.v_type
)
21994 case VAR_STRING
: s
= "STR"; break;
21995 case VAR_NUMBER
: s
= "NUM"; break;
21997 case VAR_FLOAT
: s
= "FLO"; break;
22001 fprintf(fp
, "!%s\t%s\t", this_var
->di_key
, s
);
22002 p
= echo_string(&this_var
->di_tv
, &tofree
, numbuf
, 0);
22004 viminfo_writestring(fp
, p
);
22012 #if defined(FEAT_SESSION) || defined(PROTO)
22014 store_session_globals(fd
)
22018 dictitem_T
*this_var
;
22022 todo
= (int)globvarht
.ht_used
;
22023 for (hi
= globvarht
.ht_array
; todo
> 0; ++hi
)
22025 if (!HASHITEM_EMPTY(hi
))
22028 this_var
= HI2DI(hi
);
22029 if ((this_var
->di_tv
.v_type
== VAR_NUMBER
22030 || this_var
->di_tv
.v_type
== VAR_STRING
)
22031 && var_flavour(this_var
->di_key
) == VAR_FLAVOUR_SESSION
)
22033 /* Escape special characters with a backslash. Turn a LF and
22034 * CR into \n and \r. */
22035 p
= vim_strsave_escaped(get_tv_string(&this_var
->di_tv
),
22036 (char_u
*)"\\\"\n\r");
22037 if (p
== NULL
) /* out of memory */
22039 for (t
= p
; *t
!= NUL
; ++t
)
22042 else if (*t
== '\r')
22044 if ((fprintf(fd
, "let %s = %c%s%c",
22046 (this_var
->di_tv
.v_type
== VAR_STRING
) ? '"'
22049 (this_var
->di_tv
.v_type
== VAR_STRING
) ? '"'
22051 || put_eol(fd
) == FAIL
)
22059 else if (this_var
->di_tv
.v_type
== VAR_FLOAT
22060 && var_flavour(this_var
->di_key
) == VAR_FLAVOUR_SESSION
)
22062 float_T f
= this_var
->di_tv
.vval
.v_float
;
22070 if ((fprintf(fd
, "let %s = %c&%f",
22071 this_var
->di_key
, sign
, f
) < 0)
22072 || put_eol(fd
) == FAIL
)
22083 * Display script name where an item was last set.
22084 * Should only be invoked when 'verbose' is non-zero.
22087 last_set_msg(scriptID
)
22094 p
= home_replace_save(NULL
, get_scriptname(scriptID
));
22098 MSG_PUTS(_("\n\tLast set from "));
22107 * List v:oldfiles in a nice way.
22111 exarg_T
*eap UNUSED
;
22113 list_T
*l
= vimvars
[VV_OLDFILES
].vv_list
;
22118 msg((char_u
*)_("No old files"));
22123 for (li
= l
->lv_first
; li
!= NULL
&& !got_int
; li
= li
->li_next
)
22125 msg_outnum((long)++nr
);
22127 msg_outtrans(get_tv_string(&li
->li_tv
));
22129 out_flush(); /* output one line at a time */
22132 /* Assume "got_int" was set to truncate the listing. */
22135 #ifdef FEAT_BROWSE_CMD
22139 nr
= prompt_for_number(FALSE
);
22143 char_u
*p
= list_find_str(get_vim_var_list(VV_OLDFILES
),
22148 p
= expand_env_save(p
);
22150 eap
->cmdidx
= CMD_edit
;
22151 cmdmod
.browse
= FALSE
;
22152 do_exedit(eap
, NULL
);
22161 #endif /* FEAT_EVAL */
22164 #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) || defined(PROTO)
22168 * Functions for ":8" filename modifier: get 8.3 version of a filename.
22170 static int get_short_pathname
__ARGS((char_u
**fnamep
, char_u
**bufp
, int *fnamelen
));
22171 static int shortpath_for_invalid_fname
__ARGS((char_u
**fname
, char_u
**bufp
, int *fnamelen
));
22172 static int shortpath_for_partial
__ARGS((char_u
**fnamep
, char_u
**bufp
, int *fnamelen
));
22175 * Get the short path (8.3) for the filename in "fnamep".
22176 * Only works for a valid file name.
22177 * When the path gets longer "fnamep" is changed and the allocated buffer
22178 * is put in "bufp".
22179 * *fnamelen is the length of "fnamep" and set to 0 for a nonexistent path.
22180 * Returns OK on success, FAIL on failure.
22183 get_short_pathname(fnamep
, bufp
, fnamelen
)
22192 l
= GetShortPathName(*fnamep
, *fnamep
, len
);
22195 /* If that doesn't work (not enough space), then save the string
22196 * and try again with a new buffer big enough. */
22197 newbuf
= vim_strnsave(*fnamep
, l
);
22198 if (newbuf
== NULL
)
22202 *fnamep
= *bufp
= newbuf
;
22204 /* Really should always succeed, as the buffer is big enough. */
22205 l
= GetShortPathName(*fnamep
, *fnamep
, l
+1);
22213 * Get the short path (8.3) for the filename in "fname". The converted
22214 * path is returned in "bufp".
22216 * Some of the directories specified in "fname" may not exist. This function
22217 * will shorten the existing directories at the beginning of the path and then
22218 * append the remaining non-existing path.
22220 * fname - Pointer to the filename to shorten. On return, contains the
22221 * pointer to the shortened pathname
22222 * bufp - Pointer to an allocated buffer for the filename.
22223 * fnamelen - Length of the filename pointed to by fname
22225 * Returns OK on success (or nothing done) and FAIL on failure (out of memory).
22228 shortpath_for_invalid_fname(fname
, bufp
, fnamelen
)
22233 char_u
*short_fname
, *save_fname
, *pbuf_unused
;
22234 char_u
*endp
, *save_endp
;
22237 int new_len
, sfx_len
;
22241 old_len
= *fnamelen
;
22242 save_fname
= vim_strnsave(*fname
, old_len
);
22243 pbuf_unused
= NULL
;
22244 short_fname
= NULL
;
22246 endp
= save_fname
+ old_len
- 1; /* Find the end of the copy */
22250 * Try shortening the supplied path till it succeeds by removing one
22251 * directory at a time from the tail of the path.
22256 /* go back one path-separator */
22257 while (endp
> save_fname
&& !after_pathsep(save_fname
, endp
+ 1))
22259 if (endp
<= save_fname
)
22260 break; /* processed the complete path */
22263 * Replace the path separator with a NUL and try to shorten the
22268 short_fname
= save_fname
;
22269 len
= (int)STRLEN(short_fname
) + 1;
22270 if (get_short_pathname(&short_fname
, &pbuf_unused
, &len
) == FAIL
)
22275 *endp
= ch
; /* preserve the string */
22278 break; /* successfully shortened the path */
22280 /* failed to shorten the path. Skip the path separator */
22287 * Succeeded in shortening the path. Now concatenate the shortened
22288 * path with the remaining path at the tail.
22291 /* Compute the length of the new path. */
22292 sfx_len
= (int)(save_endp
- endp
) + 1;
22293 new_len
= len
+ sfx_len
;
22295 *fnamelen
= new_len
;
22297 if (new_len
> old_len
)
22299 /* There is not enough space in the currently allocated string,
22300 * copy it to a buffer big enough. */
22301 *fname
= *bufp
= vim_strnsave(short_fname
, new_len
);
22302 if (*fname
== NULL
)
22310 /* Transfer short_fname to the main buffer (it's big enough),
22311 * unless get_short_pathname() did its work in-place. */
22312 *fname
= *bufp
= save_fname
;
22313 if (short_fname
!= save_fname
)
22314 vim_strncpy(save_fname
, short_fname
, len
);
22318 /* concat the not-shortened part of the path */
22319 vim_strncpy(*fname
+ len
, endp
, sfx_len
);
22320 (*fname
)[new_len
] = NUL
;
22324 vim_free(pbuf_unused
);
22325 vim_free(save_fname
);
22331 * Get a pathname for a partial path.
22332 * Returns OK for success, FAIL for failure.
22335 shortpath_for_partial(fnamep
, bufp
, fnamelen
)
22340 int sepcount
, len
, tflen
;
22342 char_u
*pbuf
, *tfname
;
22345 /* Count up the path separators from the RHS.. so we know which part
22346 * of the path to return. */
22348 for (p
= *fnamep
; p
< *fnamep
+ *fnamelen
; mb_ptr_adv(p
))
22349 if (vim_ispathsep(*p
))
22352 /* Need full path first (use expand_env() to remove a "~/") */
22353 hasTilde
= (**fnamep
== '~');
22355 pbuf
= tfname
= expand_env_save(*fnamep
);
22357 pbuf
= tfname
= FullName_save(*fnamep
, FALSE
);
22359 len
= tflen
= (int)STRLEN(tfname
);
22361 if (get_short_pathname(&tfname
, &pbuf
, &len
) == FAIL
)
22366 /* Don't have a valid filename, so shorten the rest of the
22367 * path if we can. This CAN give us invalid 8.3 filenames, but
22368 * there's not a lot of point in guessing what it might be.
22371 if (shortpath_for_invalid_fname(&tfname
, &pbuf
, &len
) == FAIL
)
22375 /* Count the paths backward to find the beginning of the desired string. */
22376 for (p
= tfname
+ len
- 1; p
>= tfname
; --p
)
22380 p
-= mb_head_off(tfname
, p
);
22382 if (vim_ispathsep(*p
))
22384 if (sepcount
== 0 || (hasTilde
&& sepcount
== 1))
22401 /* Copy in the string - p indexes into tfname - allocated at pbuf */
22403 *fnamelen
= (int)STRLEN(p
);
22409 #endif /* WIN3264 */
22412 * Adjust a filename, according to a string of modifiers.
22413 * *fnamep must be NUL terminated when called. When returning, the length is
22414 * determined by *fnamelen.
22415 * Returns VALID_ flags or -1 for failure.
22416 * When there is an error, *fnamep is set to NULL.
22419 modify_fname(src
, usedlen
, fnamep
, bufp
, fnamelen
)
22420 char_u
*src
; /* string with modifiers */
22421 int *usedlen
; /* characters after src that are used */
22422 char_u
**fnamep
; /* file name so far */
22423 char_u
**bufp
; /* buffer for allocated file name or NULL */
22424 int *fnamelen
; /* length of fnamep */
22428 char_u
*s
, *p
, *pbuf
;
22429 char_u dirname
[MAXPATHL
];
22431 int has_fullname
= 0;
22433 int has_shortname
= 0;
22437 /* ":p" - full path/file_name */
22438 if (src
[*usedlen
] == ':' && src
[*usedlen
+ 1] == 'p')
22442 valid
|= VALID_PATH
;
22445 /* Expand "~/path" for all systems and "~user/path" for Unix and VMS */
22446 if ((*fnamep
)[0] == '~'
22447 #if !defined(UNIX) && !(defined(VMS) && defined(USER_HOME))
22448 && ((*fnamep
)[1] == '/'
22449 # ifdef BACKSLASH_IN_FILENAME
22450 || (*fnamep
)[1] == '\\'
22452 || (*fnamep
)[1] == NUL
)
22457 *fnamep
= expand_env_save(*fnamep
);
22458 vim_free(*bufp
); /* free any allocated file name */
22460 if (*fnamep
== NULL
)
22464 /* When "/." or "/.." is used: force expansion to get rid of it. */
22465 for (p
= *fnamep
; *p
!= NUL
; mb_ptr_adv(p
))
22467 if (vim_ispathsep(*p
)
22470 || vim_ispathsep(p
[2])
22472 && (p
[3] == NUL
|| vim_ispathsep(p
[3])))))
22476 /* FullName_save() is slow, don't use it when not needed. */
22477 if (*p
!= NUL
|| !vim_isAbsName(*fnamep
))
22479 *fnamep
= FullName_save(*fnamep
, *p
!= NUL
);
22480 vim_free(*bufp
); /* free any allocated file name */
22482 if (*fnamep
== NULL
)
22486 /* Append a path separator to a directory. */
22487 if (mch_isdir(*fnamep
))
22489 /* Make room for one or two extra characters. */
22490 *fnamep
= vim_strnsave(*fnamep
, (int)STRLEN(*fnamep
) + 2);
22491 vim_free(*bufp
); /* free any allocated file name */
22493 if (*fnamep
== NULL
)
22495 add_pathsep(*fnamep
);
22499 /* ":." - path relative to the current directory */
22500 /* ":~" - path relative to the home directory */
22501 /* ":8" - shortname path - postponed till after */
22502 while (src
[*usedlen
] == ':'
22503 && ((c
= src
[*usedlen
+ 1]) == '.' || c
== '~' || c
== '8'))
22509 has_shortname
= 1; /* Postpone this. */
22514 /* Need full path first (use expand_env() to remove a "~/") */
22517 if (c
== '.' && **fnamep
== '~')
22518 p
= pbuf
= expand_env_save(*fnamep
);
22520 p
= pbuf
= FullName_save(*fnamep
, FALSE
);
22531 mch_dirname(dirname
, MAXPATHL
);
22532 s
= shorten_fname(p
, dirname
);
22538 vim_free(*bufp
); /* free any allocated file name */
22546 home_replace(NULL
, p
, dirname
, MAXPATHL
, TRUE
);
22547 /* Only replace it when it starts with '~' */
22548 if (*dirname
== '~')
22550 s
= vim_strsave(dirname
);
22563 tail
= gettail(*fnamep
);
22564 *fnamelen
= (int)STRLEN(*fnamep
);
22566 /* ":h" - head, remove "/file_name", can be repeated */
22567 /* Don't remove the first "/" or "c:\" */
22568 while (src
[*usedlen
] == ':' && src
[*usedlen
+ 1] == 'h')
22570 valid
|= VALID_HEAD
;
22572 s
= get_past_head(*fnamep
);
22573 while (tail
> s
&& after_pathsep(s
, tail
))
22574 mb_ptr_back(*fnamep
, tail
);
22575 *fnamelen
= (int)(tail
- *fnamep
);
22578 *fnamelen
+= 1; /* the path separator is part of the path */
22580 if (*fnamelen
== 0)
22582 /* Result is empty. Turn it into "." to make ":cd %:h" work. */
22583 p
= vim_strsave((char_u
*)".");
22587 *bufp
= *fnamep
= tail
= p
;
22592 while (tail
> s
&& !after_pathsep(s
, tail
))
22593 mb_ptr_back(*fnamep
, tail
);
22597 /* ":8" - shortname */
22598 if (src
[*usedlen
] == ':' && src
[*usedlen
+ 1] == '8')
22607 /* Check shortname after we have done 'heads' and before we do 'tails'
22612 /* Copy the string if it is shortened by :h */
22613 if (*fnamelen
< (int)STRLEN(*fnamep
))
22615 p
= vim_strnsave(*fnamep
, *fnamelen
);
22619 *bufp
= *fnamep
= p
;
22622 /* Split into two implementations - makes it easier. First is where
22623 * there isn't a full name already, second is where there is.
22625 if (!has_fullname
&& !vim_isAbsName(*fnamep
))
22627 if (shortpath_for_partial(fnamep
, bufp
, fnamelen
) == FAIL
)
22634 /* Simple case, already have the full-name
22635 * Nearly always shorter, so try first time. */
22637 if (get_short_pathname(fnamep
, bufp
, &l
) == FAIL
)
22642 /* Couldn't find the filename.. search the paths.
22645 if (shortpath_for_invalid_fname(fnamep
, bufp
, &l
) == FAIL
)
22651 #endif /* WIN3264 */
22653 /* ":t" - tail, just the basename */
22654 if (src
[*usedlen
] == ':' && src
[*usedlen
+ 1] == 't')
22657 *fnamelen
-= (int)(tail
- *fnamep
);
22661 /* ":e" - extension, can be repeated */
22662 /* ":r" - root, without extension, can be repeated */
22663 while (src
[*usedlen
] == ':'
22664 && (src
[*usedlen
+ 1] == 'e' || src
[*usedlen
+ 1] == 'r'))
22666 /* find a '.' in the tail:
22667 * - for second :e: before the current fname
22668 * - otherwise: The last '.'
22670 if (src
[*usedlen
+ 1] == 'e' && *fnamep
> tail
)
22673 s
= *fnamep
+ *fnamelen
- 1;
22674 for ( ; s
> tail
; --s
)
22677 if (src
[*usedlen
+ 1] == 'e') /* :e */
22681 *fnamelen
+= (int)(*fnamep
- (s
+ 1));
22684 /* cut version from the extension */
22685 s
= *fnamep
+ *fnamelen
- 1;
22686 for ( ; s
> *fnamep
; --s
)
22690 *fnamelen
= s
- *fnamep
;
22693 else if (*fnamep
<= tail
)
22698 if (s
> tail
) /* remove one extension */
22699 *fnamelen
= (int)(s
- *fnamep
);
22704 /* ":s?pat?foo?" - substitute */
22705 /* ":gs?pat?foo?" - global substitute */
22706 if (src
[*usedlen
] == ':'
22707 && (src
[*usedlen
+ 1] == 's'
22708 || (src
[*usedlen
+ 1] == 'g' && src
[*usedlen
+ 2] == 's')))
22717 flags
= (char_u
*)"";
22718 s
= src
+ *usedlen
+ 2;
22719 if (src
[*usedlen
+ 1] == 'g')
22721 flags
= (char_u
*)"g";
22728 /* find end of pattern */
22729 p
= vim_strchr(s
, sep
);
22732 pat
= vim_strnsave(s
, (int)(p
- s
));
22736 /* find end of substitution */
22737 p
= vim_strchr(s
, sep
);
22740 sub
= vim_strnsave(s
, (int)(p
- s
));
22741 str
= vim_strnsave(*fnamep
, *fnamelen
);
22742 if (sub
!= NULL
&& str
!= NULL
)
22744 *usedlen
= (int)(p
+ 1 - src
);
22745 s
= do_string_sub(str
, pat
, sub
, flags
);
22749 *fnamelen
= (int)STRLEN(s
);
22761 /* after using ":s", repeat all the modifiers */
22771 * Perform a substitution on "str" with pattern "pat" and substitute "sub".
22772 * "flags" can be "g" to do a global substitute.
22773 * Returns an allocated string, NULL for error.
22776 do_string_sub(str
, pat
, sub
, flags
)
22783 regmatch_T regmatch
;
22791 /* Make 'cpoptions' empty, so that the 'l' flag doesn't work here */
22793 p_cpo
= empty_option
;
22795 ga_init2(&ga
, 1, 200);
22797 do_all
= (flags
[0] == 'g');
22799 regmatch
.rm_ic
= p_ic
;
22800 regmatch
.regprog
= vim_regcomp(pat
, RE_MAGIC
+ RE_STRING
);
22801 if (regmatch
.regprog
!= NULL
)
22804 while (vim_regexec_nl(®match
, str
, (colnr_T
)(tail
- str
)))
22807 * Get some space for a temporary buffer to do the substitution
22808 * into. It will contain:
22809 * - The text up to where the match is.
22810 * - The substituted text.
22811 * - The text after the match.
22813 sublen
= vim_regsub(®match
, sub
, tail
, FALSE
, TRUE
, FALSE
);
22814 if (ga_grow(&ga
, (int)(STRLEN(tail
) + sublen
-
22815 (regmatch
.endp
[0] - regmatch
.startp
[0]))) == FAIL
)
22821 /* copy the text up to where the match is */
22822 i
= (int)(regmatch
.startp
[0] - tail
);
22823 mch_memmove((char_u
*)ga
.ga_data
+ ga
.ga_len
, tail
, (size_t)i
);
22824 /* add the substituted text */
22825 (void)vim_regsub(®match
, sub
, (char_u
*)ga
.ga_data
22826 + ga
.ga_len
+ i
, TRUE
, TRUE
, FALSE
);
22827 ga
.ga_len
+= i
+ sublen
- 1;
22828 /* avoid getting stuck on a match with an empty string */
22829 if (tail
== regmatch
.endp
[0])
22833 *((char_u
*)ga
.ga_data
+ ga
.ga_len
) = *tail
++;
22838 tail
= regmatch
.endp
[0];
22846 if (ga
.ga_data
!= NULL
)
22847 STRCPY((char *)ga
.ga_data
+ ga
.ga_len
, tail
);
22849 vim_free(regmatch
.regprog
);
22852 ret
= vim_strsave(ga
.ga_data
== NULL
? str
: (char_u
*)ga
.ga_data
);
22854 if (p_cpo
== empty_option
)
22857 /* Darn, evaluating {sub} expression changed the value. */
22858 free_string_option(save_cpo
);
22863 #endif /* defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) */