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
*func_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
);
871 /* global variables */
872 vars_clear(&globvarht
);
874 /* autoloaded script names */
875 ga_clear_strings(&ga_loaded
);
877 /* script-local variables */
878 for (i
= 1; i
<= ga_scripts
.ga_len
; ++i
)
880 vars_clear(&SCRIPT_VARS(i
));
881 vim_free(SCRIPT_SV(i
));
883 ga_clear(&ga_scripts
);
885 /* unreferenced lists and dicts */
886 (void)garbage_collect();
889 free_all_functions();
890 hash_clear(&func_hashtab
);
895 * Return the name of the executed function.
901 return ((funccall_T
*)cookie
)->func
->uf_name
;
905 * Return the address holding the next breakpoint line for a funccall cookie.
908 func_breakpoint(cookie
)
911 return &((funccall_T
*)cookie
)->breakpoint
;
915 * Return the address holding the debug tick for a funccall cookie.
918 func_dbg_tick(cookie
)
921 return &((funccall_T
*)cookie
)->dbg_tick
;
925 * Return the nesting level for a funccall cookie.
931 return ((funccall_T
*)cookie
)->level
;
934 /* pointer to funccal for currently active function */
935 funccall_T
*current_funccal
= NULL
;
937 /* pointer to list of previously used funccal, still around because some
938 * item in it is still being used. */
939 funccall_T
*previous_funccal
= NULL
;
942 * Return TRUE when a function was ended by a ":return" command.
945 current_func_returned()
947 return current_funccal
->returned
;
952 * Set an internal variable to a string value. Creates the variable if it does
956 set_internal_string_var(name
, value
)
963 val
= vim_strsave(value
);
966 tvp
= alloc_string_tv(val
);
969 set_var(name
, tvp
, FALSE
);
975 static lval_T
*redir_lval
= NULL
;
976 static garray_T redir_ga
; /* only valid when redir_lval is not NULL */
977 static char_u
*redir_endp
= NULL
;
978 static char_u
*redir_varname
= NULL
;
981 * Start recording command output to a variable
982 * Returns OK if successfully completed the setup. FAIL otherwise.
985 var_redir_start(name
, append
)
987 int append
; /* append to an existing variable */
993 /* Catch a bad name early. */
994 if (!eval_isnamec1(*name
))
1000 /* Make a copy of the name, it is used in redir_lval until redir ends. */
1001 redir_varname
= vim_strsave(name
);
1002 if (redir_varname
== NULL
)
1005 redir_lval
= (lval_T
*)alloc_clear((unsigned)sizeof(lval_T
));
1006 if (redir_lval
== NULL
)
1012 /* The output is stored in growarray "redir_ga" until redirection ends. */
1013 ga_init2(&redir_ga
, (int)sizeof(char), 500);
1015 /* Parse the variable name (can be a dict or list entry). */
1016 redir_endp
= get_lval(redir_varname
, NULL
, redir_lval
, FALSE
, FALSE
, FALSE
,
1018 if (redir_endp
== NULL
|| redir_lval
->ll_name
== NULL
|| *redir_endp
!= NUL
)
1020 if (redir_endp
!= NULL
&& *redir_endp
!= NUL
)
1021 /* Trailing characters are present after the variable name */
1022 EMSG(_(e_trailing
));
1025 redir_endp
= NULL
; /* don't store a value, only cleanup */
1030 /* check if we can write to the variable: set it to or append an empty
1032 save_emsg
= did_emsg
;
1034 tv
.v_type
= VAR_STRING
;
1035 tv
.vval
.v_string
= (char_u
*)"";
1037 set_var_lval(redir_lval
, redir_endp
, &tv
, TRUE
, (char_u
*)".");
1039 set_var_lval(redir_lval
, redir_endp
, &tv
, TRUE
, (char_u
*)"=");
1041 did_emsg
|= save_emsg
;
1044 redir_endp
= NULL
; /* don't store a value, only cleanup */
1048 if (redir_lval
->ll_newkey
!= NULL
)
1050 /* Dictionary item was created, don't do it again. */
1051 vim_free(redir_lval
->ll_newkey
);
1052 redir_lval
->ll_newkey
= NULL
;
1059 * Append "value[value_len]" to the variable set by var_redir_start().
1060 * The actual appending is postponed until redirection ends, because the value
1061 * appended may in fact be the string we write to, changing it may cause freed
1062 * memory to be used:
1068 var_redir_str(value
, value_len
)
1074 if (redir_lval
== NULL
)
1077 if (value_len
== -1)
1078 len
= (int)STRLEN(value
); /* Append the entire string */
1080 len
= value_len
; /* Append only "value_len" characters */
1082 if (ga_grow(&redir_ga
, len
) == OK
)
1084 mch_memmove((char *)redir_ga
.ga_data
+ redir_ga
.ga_len
, value
, len
);
1085 redir_ga
.ga_len
+= len
;
1092 * Stop redirecting command output to a variable.
1093 * Frees the allocated memory.
1100 if (redir_lval
!= NULL
)
1102 /* If there was no error: assign the text to the variable. */
1103 if (redir_endp
!= NULL
)
1105 ga_append(&redir_ga
, NUL
); /* Append the trailing NUL. */
1106 tv
.v_type
= VAR_STRING
;
1107 tv
.vval
.v_string
= redir_ga
.ga_data
;
1108 set_var_lval(redir_lval
, redir_endp
, &tv
, FALSE
, (char_u
*)".");
1111 /* free the collected output */
1112 vim_free(redir_ga
.ga_data
);
1113 redir_ga
.ga_data
= NULL
;
1115 clear_lval(redir_lval
);
1116 vim_free(redir_lval
);
1119 vim_free(redir_varname
);
1120 redir_varname
= NULL
;
1123 # if defined(FEAT_MBYTE) || defined(PROTO)
1125 eval_charconvert(enc_from
, enc_to
, fname_from
, fname_to
)
1133 set_vim_var_string(VV_CC_FROM
, enc_from
, -1);
1134 set_vim_var_string(VV_CC_TO
, enc_to
, -1);
1135 set_vim_var_string(VV_FNAME_IN
, fname_from
, -1);
1136 set_vim_var_string(VV_FNAME_OUT
, fname_to
, -1);
1137 if (eval_to_bool(p_ccv
, &err
, NULL
, FALSE
))
1139 set_vim_var_string(VV_CC_FROM
, NULL
, -1);
1140 set_vim_var_string(VV_CC_TO
, NULL
, -1);
1141 set_vim_var_string(VV_FNAME_IN
, NULL
, -1);
1142 set_vim_var_string(VV_FNAME_OUT
, NULL
, -1);
1150 # if defined(FEAT_POSTSCRIPT) || defined(PROTO)
1152 eval_printexpr(fname
, args
)
1158 set_vim_var_string(VV_FNAME_IN
, fname
, -1);
1159 set_vim_var_string(VV_CMDARG
, args
, -1);
1160 if (eval_to_bool(p_pexpr
, &err
, NULL
, FALSE
))
1162 set_vim_var_string(VV_FNAME_IN
, NULL
, -1);
1163 set_vim_var_string(VV_CMDARG
, NULL
, -1);
1174 # if defined(FEAT_DIFF) || defined(PROTO)
1176 eval_diff(origfile
, newfile
, outfile
)
1183 set_vim_var_string(VV_FNAME_IN
, origfile
, -1);
1184 set_vim_var_string(VV_FNAME_NEW
, newfile
, -1);
1185 set_vim_var_string(VV_FNAME_OUT
, outfile
, -1);
1186 (void)eval_to_bool(p_dex
, &err
, NULL
, FALSE
);
1187 set_vim_var_string(VV_FNAME_IN
, NULL
, -1);
1188 set_vim_var_string(VV_FNAME_NEW
, NULL
, -1);
1189 set_vim_var_string(VV_FNAME_OUT
, NULL
, -1);
1193 eval_patch(origfile
, difffile
, outfile
)
1200 set_vim_var_string(VV_FNAME_IN
, origfile
, -1);
1201 set_vim_var_string(VV_FNAME_DIFF
, difffile
, -1);
1202 set_vim_var_string(VV_FNAME_OUT
, outfile
, -1);
1203 (void)eval_to_bool(p_pex
, &err
, NULL
, FALSE
);
1204 set_vim_var_string(VV_FNAME_IN
, NULL
, -1);
1205 set_vim_var_string(VV_FNAME_DIFF
, NULL
, -1);
1206 set_vim_var_string(VV_FNAME_OUT
, NULL
, -1);
1211 * Top level evaluation function, returning a boolean.
1212 * Sets "error" to TRUE if there was an error.
1213 * Return TRUE or FALSE.
1216 eval_to_bool(arg
, error
, nextcmd
, skip
)
1220 int skip
; /* only parse, don't execute */
1227 if (eval0(arg
, &tv
, nextcmd
, !skip
) == FAIL
)
1234 retval
= (get_tv_number_chk(&tv
, error
) != 0);
1245 * Top level evaluation function, returning a string. If "skip" is TRUE,
1246 * only parsing to "nextcmd" is done, without reporting errors. Return
1247 * pointer to allocated memory, or NULL for failure or when "skip" is TRUE.
1250 eval_to_string_skip(arg
, nextcmd
, skip
)
1253 int skip
; /* only parse, don't execute */
1260 if (eval0(arg
, &tv
, nextcmd
, !skip
) == FAIL
|| skip
)
1264 retval
= vim_strsave(get_tv_string(&tv
));
1274 * Skip over an expression at "*pp".
1275 * Return FAIL for an error, OK otherwise.
1283 *pp
= skipwhite(*pp
);
1284 return eval1(pp
, &rettv
, FALSE
);
1288 * Top level evaluation function, returning a string.
1289 * When "convert" is TRUE convert a List into a sequence of lines and convert
1290 * a Float to a String.
1291 * Return pointer to allocated memory, or NULL for failure.
1294 eval_to_string(arg
, nextcmd
, convert
)
1303 char_u numbuf
[NUMBUFLEN
];
1306 if (eval0(arg
, &tv
, nextcmd
, TRUE
) == FAIL
)
1310 if (convert
&& tv
.v_type
== VAR_LIST
)
1312 ga_init2(&ga
, (int)sizeof(char), 80);
1313 if (tv
.vval
.v_list
!= NULL
)
1314 list_join(&ga
, tv
.vval
.v_list
, (char_u
*)"\n", TRUE
, 0);
1315 ga_append(&ga
, NUL
);
1316 retval
= (char_u
*)ga
.ga_data
;
1319 else if (convert
&& tv
.v_type
== VAR_FLOAT
)
1321 vim_snprintf((char *)numbuf
, NUMBUFLEN
, "%g", tv
.vval
.v_float
);
1322 retval
= vim_strsave(numbuf
);
1326 retval
= vim_strsave(get_tv_string(&tv
));
1334 * Call eval_to_string() without using current local variables and using
1335 * textlock. When "use_sandbox" is TRUE use the sandbox.
1338 eval_to_string_safe(arg
, nextcmd
, use_sandbox
)
1344 void *save_funccalp
;
1346 save_funccalp
= save_funccal();
1350 retval
= eval_to_string(arg
, nextcmd
, FALSE
);
1354 restore_funccal(save_funccalp
);
1359 * Top level evaluation function, returning a number.
1360 * Evaluates "expr" silently.
1361 * Returns -1 for an error.
1364 eval_to_number(expr
)
1369 char_u
*p
= skipwhite(expr
);
1373 if (eval1(&p
, &rettv
, TRUE
) == FAIL
)
1377 retval
= get_tv_number_chk(&rettv
, NULL
);
1386 * Prepare v: variable "idx" to be used.
1387 * Save the current typeval in "save_tv".
1388 * When not used yet add the variable to the v: hashtable.
1391 prepare_vimvar(idx
, save_tv
)
1395 *save_tv
= vimvars
[idx
].vv_tv
;
1396 if (vimvars
[idx
].vv_type
== VAR_UNKNOWN
)
1397 hash_add(&vimvarht
, vimvars
[idx
].vv_di
.di_key
);
1401 * Restore v: variable "idx" to typeval "save_tv".
1402 * When no longer defined, remove the variable from the v: hashtable.
1405 restore_vimvar(idx
, save_tv
)
1411 vimvars
[idx
].vv_tv
= *save_tv
;
1412 if (vimvars
[idx
].vv_type
== VAR_UNKNOWN
)
1414 hi
= hash_find(&vimvarht
, vimvars
[idx
].vv_di
.di_key
);
1415 if (HASHITEM_EMPTY(hi
))
1416 EMSG2(_(e_intern2
), "restore_vimvar()");
1418 hash_remove(&vimvarht
, hi
);
1422 #if defined(FEAT_SPELL) || defined(PROTO)
1424 * Evaluate an expression to a list with suggestions.
1425 * For the "expr:" part of 'spellsuggest'.
1426 * Returns NULL when there is an error.
1429 eval_spell_expr(badword
, expr
)
1435 list_T
*list
= NULL
;
1436 char_u
*p
= skipwhite(expr
);
1438 /* Set "v:val" to the bad word. */
1439 prepare_vimvar(VV_VAL
, &save_val
);
1440 vimvars
[VV_VAL
].vv_type
= VAR_STRING
;
1441 vimvars
[VV_VAL
].vv_str
= badword
;
1445 if (eval1(&p
, &rettv
, TRUE
) == OK
)
1447 if (rettv
.v_type
!= VAR_LIST
)
1450 list
= rettv
.vval
.v_list
;
1455 restore_vimvar(VV_VAL
, &save_val
);
1461 * "list" is supposed to contain two items: a word and a number. Return the
1462 * word in "pp" and the number as the return value.
1463 * Return -1 if anything isn't right.
1464 * Used to get the good word and score from the eval_spell_expr() result.
1467 get_spellword(list
, pp
)
1473 li
= list
->lv_first
;
1476 *pp
= get_tv_string(&li
->li_tv
);
1481 return get_tv_number(&li
->li_tv
);
1486 * Top level evaluation function.
1487 * Returns an allocated typval_T with the result.
1488 * Returns NULL when there is an error.
1491 eval_expr(arg
, nextcmd
)
1497 tv
= (typval_T
*)alloc(sizeof(typval_T
));
1498 if (tv
!= NULL
&& eval0(arg
, tv
, nextcmd
, TRUE
) == FAIL
)
1508 #if (defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)) \
1509 || defined(FEAT_COMPL_FUNC) || defined(PROTO)
1511 * Call some vimL function and return the result in "*rettv".
1512 * Uses argv[argc] for the function arguments. Only Number and String
1513 * arguments are currently supported.
1514 * Returns OK or FAIL.
1517 call_vim_function(func
, argc
, argv
, safe
, rettv
)
1521 int safe
; /* use the sandbox */
1529 void *save_funccalp
= NULL
;
1532 argvars
= (typval_T
*)alloc((unsigned)((argc
+ 1) * sizeof(typval_T
)));
1533 if (argvars
== NULL
)
1536 for (i
= 0; i
< argc
; i
++)
1538 /* Pass a NULL or empty argument as an empty string */
1539 if (argv
[i
] == NULL
|| *argv
[i
] == NUL
)
1541 argvars
[i
].v_type
= VAR_STRING
;
1542 argvars
[i
].vval
.v_string
= (char_u
*)"";
1546 /* Recognize a number argument, the others must be strings. */
1547 vim_str2nr(argv
[i
], NULL
, &len
, TRUE
, TRUE
, &n
, NULL
);
1548 if (len
!= 0 && len
== (int)STRLEN(argv
[i
]))
1550 argvars
[i
].v_type
= VAR_NUMBER
;
1551 argvars
[i
].vval
.v_number
= n
;
1555 argvars
[i
].v_type
= VAR_STRING
;
1556 argvars
[i
].vval
.v_string
= argv
[i
];
1562 save_funccalp
= save_funccal();
1566 rettv
->v_type
= VAR_UNKNOWN
; /* clear_tv() uses this */
1567 ret
= call_func(func
, (int)STRLEN(func
), rettv
, argc
, argvars
,
1568 curwin
->w_cursor
.lnum
, curwin
->w_cursor
.lnum
,
1569 &doesrange
, TRUE
, NULL
);
1573 restore_funccal(save_funccalp
);
1583 # if (defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)) || defined(PROTO)
1585 * Call vimL function "func" and return the result as a string.
1586 * Returns NULL when calling the function fails.
1587 * Uses argv[argc] for the function arguments.
1590 call_func_retstr(func
, argc
, argv
, safe
)
1594 int safe
; /* use the sandbox */
1599 if (call_vim_function(func
, argc
, argv
, safe
, &rettv
) == FAIL
)
1602 retval
= vim_strsave(get_tv_string(&rettv
));
1608 # if defined(FEAT_COMPL_FUNC) || defined(PROTO)
1610 * Call vimL function "func" and return the result as a number.
1611 * Returns -1 when calling the function fails.
1612 * Uses argv[argc] for the function arguments.
1615 call_func_retnr(func
, argc
, argv
, safe
)
1619 int safe
; /* use the sandbox */
1624 if (call_vim_function(func
, argc
, argv
, safe
, &rettv
) == FAIL
)
1627 retval
= get_tv_number_chk(&rettv
, NULL
);
1634 * Call vimL function "func" and return the result as a List.
1635 * Uses argv[argc] for the function arguments.
1636 * Returns NULL when there is something wrong.
1639 call_func_retlist(func
, argc
, argv
, safe
)
1643 int safe
; /* use the sandbox */
1647 if (call_vim_function(func
, argc
, argv
, safe
, &rettv
) == FAIL
)
1650 if (rettv
.v_type
!= VAR_LIST
)
1656 return rettv
.vval
.v_list
;
1662 * Save the current function call pointer, and set it to NULL.
1663 * Used when executing autocommands and for ":source".
1668 funccall_T
*fc
= current_funccal
;
1670 current_funccal
= NULL
;
1675 restore_funccal(vfc
)
1678 funccall_T
*fc
= (funccall_T
*)vfc
;
1680 current_funccal
= fc
;
1683 #if defined(FEAT_PROFILE) || defined(PROTO)
1685 * Prepare profiling for entering a child or something else that is not
1686 * counted for the script/function itself.
1687 * Should always be called in pair with prof_child_exit().
1690 prof_child_enter(tm
)
1691 proftime_T
*tm
; /* place to store waittime */
1693 funccall_T
*fc
= current_funccal
;
1695 if (fc
!= NULL
&& fc
->func
->uf_profiling
)
1696 profile_start(&fc
->prof_child
);
1697 script_prof_save(tm
);
1701 * Take care of time spent in a child.
1702 * Should always be called after prof_child_enter().
1706 proftime_T
*tm
; /* where waittime was stored */
1708 funccall_T
*fc
= current_funccal
;
1710 if (fc
!= NULL
&& fc
->func
->uf_profiling
)
1712 profile_end(&fc
->prof_child
);
1713 profile_sub_wait(tm
, &fc
->prof_child
); /* don't count waiting time */
1714 profile_add(&fc
->func
->uf_tm_children
, &fc
->prof_child
);
1715 profile_add(&fc
->func
->uf_tml_children
, &fc
->prof_child
);
1717 script_prof_restore(tm
);
1724 * Evaluate 'foldexpr'. Returns the foldlevel, and any character preceding
1725 * it in "*cp". Doesn't give error messages.
1728 eval_foldexpr(arg
, cp
)
1735 int use_sandbox
= was_set_insecurely((char_u
*)"foldexpr",
1743 if (eval0(arg
, &tv
, NULL
, TRUE
) == FAIL
)
1747 /* If the result is a number, just return the number. */
1748 if (tv
.v_type
== VAR_NUMBER
)
1749 retval
= tv
.vval
.v_number
;
1750 else if (tv
.v_type
!= VAR_STRING
|| tv
.vval
.v_string
== NULL
)
1754 /* If the result is a string, check if there is a non-digit before
1756 s
= tv
.vval
.v_string
;
1757 if (!VIM_ISDIGIT(*s
) && *s
!= '-')
1759 retval
= atol((char *)s
);
1773 * ":let" list all variable values
1774 * ":let var1 var2" list variable values
1775 * ":let var = expr" assignment command.
1776 * ":let var += expr" assignment command.
1777 * ":let var -= expr" assignment command.
1778 * ":let var .= expr" assignment command.
1779 * ":let [var1, var2] = expr" unpack list.
1785 char_u
*arg
= eap
->arg
;
1786 char_u
*expr
= NULL
;
1795 argend
= skip_var_list(arg
, &var_count
, &semicolon
);
1798 if (argend
> arg
&& argend
[-1] == '.') /* for var.='str' */
1800 expr
= vim_strchr(argend
, '=');
1804 * ":let" without "=": list variables
1808 else if (!ends_excmd(*arg
))
1809 /* ":let var1 var2" */
1810 arg
= list_arg_vars(eap
, arg
, &first
);
1811 else if (!eap
->skip
)
1814 list_glob_vars(&first
);
1815 list_buf_vars(&first
);
1816 list_win_vars(&first
);
1818 list_tab_vars(&first
);
1820 list_script_vars(&first
);
1821 list_func_vars(&first
);
1822 list_vim_vars(&first
);
1824 eap
->nextcmd
= check_nextcmd(arg
);
1832 if (vim_strchr((char_u
*)"+-.", expr
[-1]) != NULL
)
1833 op
[0] = expr
[-1]; /* +=, -= or .= */
1835 expr
= skipwhite(expr
+ 1);
1839 i
= eval0(expr
, &rettv
, &eap
->nextcmd
, !eap
->skip
);
1848 (void)ex_let_vars(eap
->arg
, &rettv
, FALSE
, semicolon
, var_count
,
1856 * Assign the typevalue "tv" to the variable or variables at "arg_start".
1857 * Handles both "var" with any type and "[var, var; var]" with a list type.
1858 * When "nextchars" is not NULL it points to a string with characters that
1859 * must appear after the variable(s). Use "+", "-" or "." for add, subtract
1861 * Returns OK or FAIL;
1864 ex_let_vars(arg_start
, tv
, copy
, semicolon
, var_count
, nextchars
)
1867 int copy
; /* copy values from "tv", don't move */
1868 int semicolon
; /* from skip_var_list() */
1869 int var_count
; /* from skip_var_list() */
1872 char_u
*arg
= arg_start
;
1881 * ":let var = expr" or ":for var in list"
1883 if (ex_let_one(arg
, tv
, copy
, nextchars
, nextchars
) == NULL
)
1889 * ":let [v1, v2] = list" or ":for [v1, v2] in listlist"
1891 if (tv
->v_type
!= VAR_LIST
|| (l
= tv
->vval
.v_list
) == NULL
)
1898 if (semicolon
== 0 && var_count
< i
)
1900 EMSG(_("E687: Less targets than List items"));
1903 if (var_count
- semicolon
> i
)
1905 EMSG(_("E688: More targets than List items"));
1912 arg
= skipwhite(arg
+ 1);
1913 arg
= ex_let_one(arg
, &item
->li_tv
, TRUE
, (char_u
*)",;]", nextchars
);
1914 item
= item
->li_next
;
1918 arg
= skipwhite(arg
);
1921 /* Put the rest of the list (may be empty) in the var after ';'.
1922 * Create a new list for this. */
1926 while (item
!= NULL
)
1928 list_append_tv(l
, &item
->li_tv
);
1929 item
= item
->li_next
;
1932 ltv
.v_type
= VAR_LIST
;
1934 ltv
.vval
.v_list
= l
;
1937 arg
= ex_let_one(skipwhite(arg
+ 1), <v
, FALSE
,
1938 (char_u
*)"]", nextchars
);
1944 else if (*arg
!= ',' && *arg
!= ']')
1946 EMSG2(_(e_intern2
), "ex_let_vars()");
1955 * Skip over assignable variable "var" or list of variables "[var, var]".
1956 * Used for ":let varvar = expr" and ":for varvar in expr".
1957 * For "[var, var]" increment "*var_count" for each variable.
1958 * for "[var, var; var]" set "semicolon".
1959 * Return NULL for an error.
1962 skip_var_list(arg
, var_count
, semicolon
)
1971 /* "[var, var]": find the matching ']'. */
1975 p
= skipwhite(p
+ 1); /* skip whites after '[', ';' or ',' */
1976 s
= skip_var_one(p
);
1979 EMSG2(_(e_invarg2
), p
);
1989 if (*semicolon
== 1)
1991 EMSG(_("Double ; in list of variables"));
1998 EMSG2(_(e_invarg2
), p
);
2005 return skip_var_one(arg
);
2009 * Skip one (assignable) variable name, including @r, $VAR, &option, d.key,
2016 if (*arg
== '@' && arg
[1] != NUL
)
2018 return find_name_end(*arg
== '$' || *arg
== '&' ? arg
+ 1 : arg
,
2019 NULL
, NULL
, FNE_INCL_BR
| FNE_CHECK_START
);
2023 * List variables for hashtab "ht" with prefix "prefix".
2024 * If "empty" is TRUE also list NULL strings as empty strings.
2027 list_hashtable_vars(ht
, prefix
, empty
, first
)
2037 todo
= (int)ht
->ht_used
;
2038 for (hi
= ht
->ht_array
; todo
> 0 && !got_int
; ++hi
)
2040 if (!HASHITEM_EMPTY(hi
))
2044 if (empty
|| di
->di_tv
.v_type
!= VAR_STRING
2045 || di
->di_tv
.vval
.v_string
!= NULL
)
2046 list_one_var(di
, prefix
, first
);
2052 * List global variables.
2055 list_glob_vars(first
)
2058 list_hashtable_vars(&globvarht
, (char_u
*)"", TRUE
, first
);
2062 * List buffer variables.
2065 list_buf_vars(first
)
2068 char_u numbuf
[NUMBUFLEN
];
2070 list_hashtable_vars(&curbuf
->b_vars
.dv_hashtab
, (char_u
*)"b:",
2073 sprintf((char *)numbuf
, "%ld", (long)curbuf
->b_changedtick
);
2074 list_one_var_a((char_u
*)"b:", (char_u
*)"changedtick", VAR_NUMBER
,
2079 * List window variables.
2082 list_win_vars(first
)
2085 list_hashtable_vars(&curwin
->w_vars
.dv_hashtab
,
2086 (char_u
*)"w:", TRUE
, first
);
2091 * List tab page variables.
2094 list_tab_vars(first
)
2097 list_hashtable_vars(&curtab
->tp_vars
.dv_hashtab
,
2098 (char_u
*)"t:", TRUE
, first
);
2103 * List Vim variables.
2106 list_vim_vars(first
)
2109 list_hashtable_vars(&vimvarht
, (char_u
*)"v:", FALSE
, first
);
2113 * List script-local variables, if there is a script.
2116 list_script_vars(first
)
2119 if (current_SID
> 0 && current_SID
<= ga_scripts
.ga_len
)
2120 list_hashtable_vars(&SCRIPT_VARS(current_SID
),
2121 (char_u
*)"s:", FALSE
, first
);
2125 * List function variables, if there is a function.
2128 list_func_vars(first
)
2131 if (current_funccal
!= NULL
)
2132 list_hashtable_vars(¤t_funccal
->l_vars
.dv_hashtab
,
2133 (char_u
*)"l:", FALSE
, first
);
2137 * List variables in "arg".
2140 list_arg_vars(eap
, arg
, first
)
2153 while (!ends_excmd(*arg
) && !got_int
)
2155 if (error
|| eap
->skip
)
2157 arg
= find_name_end(arg
, NULL
, NULL
, FNE_INCL_BR
| FNE_CHECK_START
);
2158 if (!vim_iswhite(*arg
) && !ends_excmd(*arg
))
2161 EMSG(_(e_trailing
));
2167 /* get_name_len() takes care of expanding curly braces */
2168 name_start
= name
= arg
;
2169 len
= get_name_len(&arg
, &tofree
, TRUE
, TRUE
);
2172 /* This is mainly to keep test 49 working: when expanding
2173 * curly braces fails overrule the exception error message. */
2174 if (len
< 0 && !aborting())
2177 EMSG2(_(e_invarg2
), arg
);
2186 if (get_var_tv(name
, len
, &tv
, TRUE
) == FAIL
)
2190 /* handle d.key, l[idx], f(expr) */
2192 if (handle_subscript(&arg
, &tv
, TRUE
, TRUE
) == FAIL
)
2196 if (arg
== arg_subsc
&& len
== 2 && name
[1] == ':')
2200 case 'g': list_glob_vars(first
); break;
2201 case 'b': list_buf_vars(first
); break;
2202 case 'w': list_win_vars(first
); break;
2204 case 't': list_tab_vars(first
); break;
2206 case 'v': list_vim_vars(first
); break;
2207 case 's': list_script_vars(first
); break;
2208 case 'l': list_func_vars(first
); break;
2210 EMSG2(_("E738: Can't list variables for %s"), name
);
2215 char_u numbuf
[NUMBUFLEN
];
2220 s
= echo_string(&tv
, &tf
, numbuf
, 0);
2223 list_one_var_a((char_u
*)"",
2224 arg
== arg_subsc
? name
: name_start
,
2226 s
== NULL
? (char_u
*)"" : s
,
2239 arg
= skipwhite(arg
);
2246 * Set one item of ":let var = expr" or ":let [v1, v2] = list" to its value.
2247 * Returns a pointer to the char just after the var name.
2248 * Returns NULL if there is an error.
2251 ex_let_one(arg
, tv
, copy
, endchars
, op
)
2252 char_u
*arg
; /* points to variable name */
2253 typval_T
*tv
; /* value to assign to variable */
2254 int copy
; /* copy value from "tv" */
2255 char_u
*endchars
; /* valid chars after variable name or NULL */
2256 char_u
*op
; /* "+", "-", "." or NULL*/
2261 char_u
*arg_end
= NULL
;
2264 char_u
*tofree
= NULL
;
2267 * ":let $VAR = expr": Set environment variable.
2271 /* Find the end of the name. */
2274 len
= get_env_len(&arg
);
2276 EMSG2(_(e_invarg2
), name
- 1);
2279 if (op
!= NULL
&& (*op
== '+' || *op
== '-'))
2280 EMSG2(_(e_letwrong
), op
);
2281 else if (endchars
!= NULL
2282 && vim_strchr(endchars
, *skipwhite(arg
)) == NULL
)
2283 EMSG(_(e_letunexp
));
2288 p
= get_tv_string_chk(tv
);
2289 if (p
!= NULL
&& op
!= NULL
&& *op
== '.')
2291 int mustfree
= FALSE
;
2292 char_u
*s
= vim_getenv(name
, &mustfree
);
2296 p
= tofree
= concat_str(s
, p
);
2303 vim_setenv(name
, p
);
2304 if (STRICMP(name
, "HOME") == 0)
2306 else if (didset_vim
&& STRICMP(name
, "VIM") == 0)
2308 else if (didset_vimruntime
2309 && STRICMP(name
, "VIMRUNTIME") == 0)
2310 didset_vimruntime
= FALSE
;
2320 * ":let &option = expr": Set option value.
2321 * ":let &l:option = expr": Set local option value.
2322 * ":let &g:option = expr": Set global option value.
2324 else if (*arg
== '&')
2326 /* Find the end of the name. */
2327 p
= find_option_end(&arg
, &opt_flags
);
2328 if (p
== NULL
|| (endchars
!= NULL
2329 && vim_strchr(endchars
, *skipwhite(p
)) == NULL
))
2330 EMSG(_(e_letunexp
));
2336 char_u
*stringval
= NULL
;
2342 n
= get_tv_number(tv
);
2343 s
= get_tv_string_chk(tv
); /* != NULL if number or string */
2344 if (s
!= NULL
&& op
!= NULL
&& *op
!= '=')
2346 opt_type
= get_option_value(arg
, &numval
,
2347 &stringval
, opt_flags
);
2348 if ((opt_type
== 1 && *op
== '.')
2349 || (opt_type
== 0 && *op
!= '.'))
2350 EMSG2(_(e_letwrong
), op
);
2353 if (opt_type
== 1) /* number */
2360 else if (opt_type
== 0 && stringval
!= NULL
) /* string */
2362 s
= concat_str(stringval
, s
);
2363 vim_free(stringval
);
2370 set_option_value(arg
, n
, s
, opt_flags
);
2374 vim_free(stringval
);
2379 * ":let @r = expr": Set register contents.
2381 else if (*arg
== '@')
2384 if (op
!= NULL
&& (*op
== '+' || *op
== '-'))
2385 EMSG2(_(e_letwrong
), op
);
2386 else if (endchars
!= NULL
2387 && vim_strchr(endchars
, *skipwhite(arg
+ 1)) == NULL
)
2388 EMSG(_(e_letunexp
));
2391 char_u
*ptofree
= NULL
;
2394 p
= get_tv_string_chk(tv
);
2395 if (p
!= NULL
&& op
!= NULL
&& *op
== '.')
2397 s
= get_reg_contents(*arg
== '@' ? '"' : *arg
, TRUE
, TRUE
);
2400 p
= ptofree
= concat_str(s
, p
);
2406 write_reg_contents(*arg
== '@' ? '"' : *arg
, p
, -1, FALSE
);
2414 * ":let var = expr": Set internal variable.
2415 * ":let {expr} = expr": Idem, name made with curly braces
2417 else if (eval_isnamec1(*arg
) || *arg
== '{')
2421 p
= get_lval(arg
, tv
, &lv
, FALSE
, FALSE
, FALSE
, FNE_CHECK_START
);
2422 if (p
!= NULL
&& lv
.ll_name
!= NULL
)
2424 if (endchars
!= NULL
&& vim_strchr(endchars
, *skipwhite(p
)) == NULL
)
2425 EMSG(_(e_letunexp
));
2428 set_var_lval(&lv
, p
, tv
, copy
, op
);
2436 EMSG2(_(e_invarg2
), arg
);
2442 * If "arg" is equal to "b:changedtick" give an error and return TRUE.
2445 check_changedtick(arg
)
2448 if (STRNCMP(arg
, "b:changedtick", 13) == 0 && !eval_isnamec(arg
[13]))
2450 EMSG2(_(e_readonlyvar
), arg
);
2457 * Get an lval: variable, Dict item or List item that can be assigned a value
2458 * to: "name", "na{me}", "name[expr]", "name[expr:expr]", "name[expr][expr]",
2459 * "name.key", "name.key[expr]" etc.
2460 * Indexing only works if "name" is an existing List or Dictionary.
2461 * "name" points to the start of the name.
2462 * If "rettv" is not NULL it points to the value to be assigned.
2463 * "unlet" is TRUE for ":unlet": slightly different behavior when something is
2464 * wrong; must end in space or cmd separator.
2466 * Returns a pointer to just after the name, including indexes.
2467 * When an evaluation error occurs "lp->ll_name" is NULL;
2468 * Returns NULL for a parsing error. Still need to free items in "lp"!
2471 get_lval(name
, rettv
, lp
, unlet
, skip
, quiet
, fne_flags
)
2477 int quiet
; /* don't give error messages */
2478 int fne_flags
; /* flags for find_name_end() */
2481 char_u
*expr_start
, *expr_end
;
2492 /* Clear everything in "lp". */
2493 vim_memset(lp
, 0, sizeof(lval_T
));
2497 /* When skipping just find the end of the name. */
2499 return find_name_end(name
, NULL
, NULL
, FNE_INCL_BR
| fne_flags
);
2502 /* Find the end of the name. */
2503 p
= find_name_end(name
, &expr_start
, &expr_end
, fne_flags
);
2504 if (expr_start
!= NULL
)
2506 /* Don't expand the name when we already know there is an error. */
2507 if (unlet
&& !vim_iswhite(*p
) && !ends_excmd(*p
)
2508 && *p
!= '[' && *p
!= '.')
2510 EMSG(_(e_trailing
));
2514 lp
->ll_exp_name
= make_expanded_name(name
, expr_start
, expr_end
, p
);
2515 if (lp
->ll_exp_name
== NULL
)
2517 /* Report an invalid expression in braces, unless the
2518 * expression evaluation has been cancelled due to an
2519 * aborting error, an interrupt, or an exception. */
2520 if (!aborting() && !quiet
)
2523 EMSG2(_(e_invarg2
), name
);
2527 lp
->ll_name
= lp
->ll_exp_name
;
2532 /* Without [idx] or .key we are done. */
2533 if ((*p
!= '[' && *p
!= '.') || lp
->ll_name
== NULL
)
2538 v
= find_var(lp
->ll_name
, &ht
);
2539 if (v
== NULL
&& !quiet
)
2540 EMSG2(_(e_undefvar
), lp
->ll_name
);
2546 * Loop until no more [idx] or .key is following.
2548 lp
->ll_tv
= &v
->di_tv
;
2549 while (*p
== '[' || (*p
== '.' && lp
->ll_tv
->v_type
== VAR_DICT
))
2551 if (!(lp
->ll_tv
->v_type
== VAR_LIST
&& lp
->ll_tv
->vval
.v_list
!= NULL
)
2552 && !(lp
->ll_tv
->v_type
== VAR_DICT
2553 && lp
->ll_tv
->vval
.v_dict
!= NULL
))
2556 EMSG(_("E689: Can only index a List or Dictionary"));
2562 EMSG(_("E708: [:] must come last"));
2570 for (len
= 0; ASCII_ISALNUM(key
[len
]) || key
[len
] == '_'; ++len
)
2575 EMSG(_(e_emptykey
));
2582 /* Get the index [expr] or the first index [expr: ]. */
2583 p
= skipwhite(p
+ 1);
2589 if (eval1(&p
, &var1
, TRUE
) == FAIL
) /* recursive! */
2591 if (get_tv_string_chk(&var1
) == NULL
)
2593 /* not a number or string */
2599 /* Optionally get the second index [ :expr]. */
2602 if (lp
->ll_tv
->v_type
== VAR_DICT
)
2605 EMSG(_(e_dictrange
));
2610 if (rettv
!= NULL
&& (rettv
->v_type
!= VAR_LIST
2611 || rettv
->vval
.v_list
== NULL
))
2614 EMSG(_("E709: [:] requires a List value"));
2619 p
= skipwhite(p
+ 1);
2621 lp
->ll_empty2
= TRUE
;
2624 lp
->ll_empty2
= FALSE
;
2625 if (eval1(&p
, &var2
, TRUE
) == FAIL
) /* recursive! */
2631 if (get_tv_string_chk(&var2
) == NULL
)
2633 /* not a number or string */
2640 lp
->ll_range
= TRUE
;
2643 lp
->ll_range
= FALSE
;
2648 EMSG(_(e_missbrac
));
2651 if (lp
->ll_range
&& !lp
->ll_empty2
)
2656 /* Skip to past ']'. */
2660 if (lp
->ll_tv
->v_type
== VAR_DICT
)
2664 /* "[key]": get key from "var1" */
2665 key
= get_tv_string(&var1
); /* is number or string */
2669 EMSG(_(e_emptykey
));
2675 lp
->ll_dict
= lp
->ll_tv
->vval
.v_dict
;
2676 lp
->ll_di
= dict_find(lp
->ll_dict
, key
, len
);
2677 if (lp
->ll_di
== NULL
)
2679 /* Key does not exist in dict: may need to add it. */
2680 if (*p
== '[' || *p
== '.' || unlet
)
2683 EMSG2(_(e_dictkey
), key
);
2689 lp
->ll_newkey
= vim_strsave(key
);
2691 lp
->ll_newkey
= vim_strnsave(key
, len
);
2694 if (lp
->ll_newkey
== NULL
)
2700 lp
->ll_tv
= &lp
->ll_di
->di_tv
;
2705 * Get the number and item for the only or first index of the List.
2711 lp
->ll_n1
= get_tv_number(&var1
); /* is number or string */
2715 lp
->ll_list
= lp
->ll_tv
->vval
.v_list
;
2716 lp
->ll_li
= list_find(lp
->ll_list
, lp
->ll_n1
);
2717 if (lp
->ll_li
== NULL
)
2722 lp
->ll_li
= list_find(lp
->ll_list
, lp
->ll_n1
);
2725 if (lp
->ll_li
== NULL
)
2727 if (lp
->ll_range
&& !lp
->ll_empty2
)
2733 * May need to find the item or absolute index for the second
2735 * When no index given: "lp->ll_empty2" is TRUE.
2736 * Otherwise "lp->ll_n2" is set to the second index.
2738 if (lp
->ll_range
&& !lp
->ll_empty2
)
2740 lp
->ll_n2
= get_tv_number(&var2
); /* is number or string */
2744 ni
= list_find(lp
->ll_list
, lp
->ll_n2
);
2747 lp
->ll_n2
= list_idx_of_item(lp
->ll_list
, ni
);
2750 /* Check that lp->ll_n2 isn't before lp->ll_n1. */
2752 lp
->ll_n1
= list_idx_of_item(lp
->ll_list
, lp
->ll_li
);
2753 if (lp
->ll_n2
< lp
->ll_n1
)
2757 lp
->ll_tv
= &lp
->ll_li
->li_tv
;
2765 * Clear lval "lp" that was filled by get_lval().
2771 vim_free(lp
->ll_exp_name
);
2772 vim_free(lp
->ll_newkey
);
2776 * Set a variable that was parsed by get_lval() to "rettv".
2777 * "endp" points to just after the parsed name.
2778 * "op" is NULL, "+" for "+=", "-" for "-=", "." for ".=" or "=" for "=".
2781 set_var_lval(lp
, endp
, rettv
, copy
, op
)
2792 if (lp
->ll_tv
== NULL
)
2794 if (!check_changedtick(lp
->ll_name
))
2798 if (op
!= NULL
&& *op
!= '=')
2802 /* handle +=, -= and .= */
2803 if (get_var_tv(lp
->ll_name
, (int)STRLEN(lp
->ll_name
),
2806 if (tv_op(&tv
, rettv
, op
) == OK
)
2807 set_var(lp
->ll_name
, &tv
, FALSE
);
2812 set_var(lp
->ll_name
, rettv
, copy
);
2816 else if (tv_check_lock(lp
->ll_newkey
== NULL
2818 : lp
->ll_tv
->vval
.v_dict
->dv_lock
, lp
->ll_name
))
2820 else if (lp
->ll_range
)
2823 * Assign the List values to the list items.
2825 for (ri
= rettv
->vval
.v_list
->lv_first
; ri
!= NULL
; )
2827 if (op
!= NULL
&& *op
!= '=')
2828 tv_op(&lp
->ll_li
->li_tv
, &ri
->li_tv
, op
);
2831 clear_tv(&lp
->ll_li
->li_tv
);
2832 copy_tv(&ri
->li_tv
, &lp
->ll_li
->li_tv
);
2835 if (ri
== NULL
|| (!lp
->ll_empty2
&& lp
->ll_n2
== lp
->ll_n1
))
2837 if (lp
->ll_li
->li_next
== NULL
)
2839 /* Need to add an empty item. */
2840 if (list_append_number(lp
->ll_list
, 0) == FAIL
)
2846 lp
->ll_li
= lp
->ll_li
->li_next
;
2850 EMSG(_("E710: List value has more items than target"));
2851 else if (lp
->ll_empty2
2852 ? (lp
->ll_li
!= NULL
&& lp
->ll_li
->li_next
!= NULL
)
2853 : lp
->ll_n1
!= lp
->ll_n2
)
2854 EMSG(_("E711: List value has not enough items"));
2859 * Assign to a List or Dictionary item.
2861 if (lp
->ll_newkey
!= NULL
)
2863 if (op
!= NULL
&& *op
!= '=')
2865 EMSG2(_(e_letwrong
), op
);
2869 /* Need to add an item to the Dictionary. */
2870 di
= dictitem_alloc(lp
->ll_newkey
);
2873 if (dict_add(lp
->ll_tv
->vval
.v_dict
, di
) == FAIL
)
2878 lp
->ll_tv
= &di
->di_tv
;
2880 else if (op
!= NULL
&& *op
!= '=')
2882 tv_op(lp
->ll_tv
, rettv
, op
);
2886 clear_tv(lp
->ll_tv
);
2889 * Assign the value to the variable or list item.
2892 copy_tv(rettv
, lp
->ll_tv
);
2895 *lp
->ll_tv
= *rettv
;
2896 lp
->ll_tv
->v_lock
= 0;
2903 * Handle "tv1 += tv2", "tv1 -= tv2" and "tv1 .= tv2"
2904 * Returns OK or FAIL.
2913 char_u numbuf
[NUMBUFLEN
];
2916 /* Can't do anything with a Funcref or a Dict on the right. */
2917 if (tv2
->v_type
!= VAR_FUNC
&& tv2
->v_type
!= VAR_DICT
)
2919 switch (tv1
->v_type
)
2926 if (*op
!= '+' || tv2
->v_type
!= VAR_LIST
)
2929 if (tv1
->vval
.v_list
!= NULL
&& tv2
->vval
.v_list
!= NULL
)
2930 list_extend(tv1
->vval
.v_list
, tv2
->vval
.v_list
, NULL
);
2935 if (tv2
->v_type
== VAR_LIST
)
2937 if (*op
== '+' || *op
== '-')
2939 /* nr += nr or nr -= nr*/
2940 n
= get_tv_number(tv1
);
2942 if (tv2
->v_type
== VAR_FLOAT
)
2947 f
+= tv2
->vval
.v_float
;
2949 f
-= tv2
->vval
.v_float
;
2951 tv1
->v_type
= VAR_FLOAT
;
2952 tv1
->vval
.v_float
= f
;
2958 n
+= get_tv_number(tv2
);
2960 n
-= get_tv_number(tv2
);
2962 tv1
->v_type
= VAR_NUMBER
;
2963 tv1
->vval
.v_number
= n
;
2968 if (tv2
->v_type
== VAR_FLOAT
)
2972 s
= get_tv_string(tv1
);
2973 s
= concat_str(s
, get_tv_string_buf(tv2
, numbuf
));
2975 tv1
->v_type
= VAR_STRING
;
2976 tv1
->vval
.v_string
= s
;
2985 if (*op
== '.' || (tv2
->v_type
!= VAR_FLOAT
2986 && tv2
->v_type
!= VAR_NUMBER
2987 && tv2
->v_type
!= VAR_STRING
))
2989 if (tv2
->v_type
== VAR_FLOAT
)
2990 f
= tv2
->vval
.v_float
;
2992 f
= get_tv_number(tv2
);
2994 tv1
->vval
.v_float
+= f
;
2996 tv1
->vval
.v_float
-= f
;
3003 EMSG2(_(e_letwrong
), op
);
3008 * Add a watcher to a list.
3011 list_add_watch(l
, lw
)
3015 lw
->lw_next
= l
->lv_watch
;
3020 * Remove a watcher from a list.
3021 * No warning when it isn't found...
3024 list_rem_watch(l
, lwrem
)
3028 listwatch_T
*lw
, **lwp
;
3031 for (lw
= l
->lv_watch
; lw
!= NULL
; lw
= lw
->lw_next
)
3043 * Just before removing an item from a list: advance watchers to the next
3047 list_fix_watch(l
, item
)
3053 for (lw
= l
->lv_watch
; lw
!= NULL
; lw
= lw
->lw_next
)
3054 if (lw
->lw_item
== item
)
3055 lw
->lw_item
= item
->li_next
;
3059 * Evaluate the expression used in a ":for var in expr" command.
3060 * "arg" points to "var".
3061 * Set "*errp" to TRUE for an error, FALSE otherwise;
3062 * Return a pointer that holds the info. Null when there is an error.
3065 eval_for_line(arg
, errp
, nextcmdp
, skip
)
3076 *errp
= TRUE
; /* default: there is an error */
3078 fi
= (forinfo_T
*)alloc_clear(sizeof(forinfo_T
));
3082 expr
= skip_var_list(arg
, &fi
->fi_varcount
, &fi
->fi_semicolon
);
3086 expr
= skipwhite(expr
);
3087 if (expr
[0] != 'i' || expr
[1] != 'n' || !vim_iswhite(expr
[2]))
3089 EMSG(_("E690: Missing \"in\" after :for"));
3095 if (eval0(skipwhite(expr
+ 2), &tv
, nextcmdp
, !skip
) == OK
)
3101 if (tv
.v_type
!= VAR_LIST
|| l
== NULL
)
3108 /* No need to increment the refcount, it's already set for the
3109 * list being used in "tv". */
3111 list_add_watch(l
, &fi
->fi_lw
);
3112 fi
->fi_lw
.lw_item
= l
->lv_first
;
3123 * Use the first item in a ":for" list. Advance to the next.
3124 * Assign the values to the variable (list). "arg" points to the first one.
3125 * Return TRUE when a valid item was found, FALSE when at end of list or
3129 next_for_item(fi_void
, arg
)
3133 forinfo_T
*fi
= (forinfo_T
*)fi_void
;
3137 item
= fi
->fi_lw
.lw_item
;
3142 fi
->fi_lw
.lw_item
= item
->li_next
;
3143 result
= (ex_let_vars(arg
, &item
->li_tv
, TRUE
,
3144 fi
->fi_semicolon
, fi
->fi_varcount
, NULL
) == OK
);
3150 * Free the structure used to store info used by ":for".
3153 free_for_info(fi_void
)
3156 forinfo_T
*fi
= (forinfo_T
*)fi_void
;
3158 if (fi
!= NULL
&& fi
->fi_list
!= NULL
)
3160 list_rem_watch(fi
->fi_list
, &fi
->fi_lw
);
3161 list_unref(fi
->fi_list
);
3166 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
3169 set_context_for_expression(xp
, arg
, cmdidx
)
3178 if (cmdidx
== CMD_let
)
3180 xp
->xp_context
= EXPAND_USER_VARS
;
3181 if (vim_strpbrk(arg
, (char_u
*)"\"'+-*/%.=!?~|&$([<>,#") == NULL
)
3183 /* ":let var1 var2 ...": find last space. */
3184 for (p
= arg
+ STRLEN(arg
); p
>= arg
; )
3187 mb_ptr_back(arg
, p
);
3188 if (vim_iswhite(*p
))
3195 xp
->xp_context
= cmdidx
== CMD_call
? EXPAND_FUNCTIONS
3196 : EXPAND_EXPRESSION
;
3197 while ((xp
->xp_pattern
= vim_strpbrk(arg
,
3198 (char_u
*)"\"'+-*/%.=!?~|&$([<>,#")) != NULL
)
3200 c
= *xp
->xp_pattern
;
3203 c
= xp
->xp_pattern
[1];
3207 xp
->xp_context
= cmdidx
!= CMD_let
|| got_eq
3208 ? EXPAND_EXPRESSION
: EXPAND_NOTHING
;
3212 xp
->xp_context
= EXPAND_SETTINGS
;
3213 if ((c
== 'l' || c
== 'g') && xp
->xp_pattern
[2] == ':')
3214 xp
->xp_pattern
+= 2;
3220 /* environment variable */
3221 xp
->xp_context
= EXPAND_ENV_VARS
;
3226 xp
->xp_context
= EXPAND_EXPRESSION
;
3229 && xp
->xp_context
== EXPAND_FUNCTIONS
3230 && vim_strchr(xp
->xp_pattern
, '(') == NULL
)
3232 /* Function name can start with "<SNR>" */
3235 else if (cmdidx
!= CMD_let
|| got_eq
)
3237 if (c
== '"') /* string */
3239 while ((c
= *++xp
->xp_pattern
) != NUL
&& c
!= '"')
3240 if (c
== '\\' && xp
->xp_pattern
[1] != NUL
)
3242 xp
->xp_context
= EXPAND_NOTHING
;
3244 else if (c
== '\'') /* literal string */
3246 /* Trick: '' is like stopping and starting a literal string. */
3247 while ((c
= *++xp
->xp_pattern
) != NUL
&& c
!= '\'')
3249 xp
->xp_context
= EXPAND_NOTHING
;
3253 if (xp
->xp_pattern
[1] == '|')
3256 xp
->xp_context
= EXPAND_EXPRESSION
;
3259 xp
->xp_context
= EXPAND_COMMANDS
;
3262 xp
->xp_context
= EXPAND_EXPRESSION
;
3265 /* Doesn't look like something valid, expand as an expression
3267 xp
->xp_context
= EXPAND_EXPRESSION
;
3268 arg
= xp
->xp_pattern
;
3270 while ((c
= *++arg
) != NUL
&& (c
== ' ' || c
== '\t'))
3273 xp
->xp_pattern
= arg
;
3276 #endif /* FEAT_CMDL_COMPL */
3279 * ":1,25call func(arg1, arg2)" function call.
3285 char_u
*arg
= eap
->arg
;
3296 tofree
= trans_function_name(&arg
, eap
->skip
, TFN_INT
, &fudi
);
3297 if (fudi
.fd_newkey
!= NULL
)
3299 /* Still need to give an error message for missing key. */
3300 EMSG2(_(e_dictkey
), fudi
.fd_newkey
);
3301 vim_free(fudi
.fd_newkey
);
3306 /* Increase refcount on dictionary, it could get deleted when evaluating
3308 if (fudi
.fd_dict
!= NULL
)
3309 ++fudi
.fd_dict
->dv_refcount
;
3311 /* If it is the name of a variable of type VAR_FUNC use its contents. */
3312 len
= (int)STRLEN(tofree
);
3313 name
= deref_func_name(tofree
, &len
);
3315 /* Skip white space to allow ":call func ()". Not good, but required for
3316 * backward compatibility. */
3317 startarg
= skipwhite(arg
);
3318 rettv
.v_type
= VAR_UNKNOWN
; /* clear_tv() uses this */
3320 if (*startarg
!= '(')
3322 EMSG2(_("E107: Missing parentheses: %s"), eap
->arg
);
3327 * When skipping, evaluate the function once, to find the end of the
3329 * When the function takes a range, this is discovered after the first
3330 * call, and the loop is broken.
3335 lnum
= eap
->line2
; /* do it once, also with an invalid range */
3339 for ( ; lnum
<= eap
->line2
; ++lnum
)
3341 if (!eap
->skip
&& eap
->addr_count
> 0)
3343 curwin
->w_cursor
.lnum
= lnum
;
3344 curwin
->w_cursor
.col
= 0;
3347 if (get_func_tv(name
, (int)STRLEN(name
), &rettv
, &arg
,
3348 eap
->line1
, eap
->line2
, &doesrange
,
3349 !eap
->skip
, fudi
.fd_dict
) == FAIL
)
3355 /* Handle a function returning a Funcref, Dictionary or List. */
3356 if (handle_subscript(&arg
, &rettv
, !eap
->skip
, TRUE
) == FAIL
)
3363 if (doesrange
|| eap
->skip
)
3366 /* Stop when immediately aborting on error, or when an interrupt
3367 * occurred or an exception was thrown but not caught.
3368 * get_func_tv() returned OK, so that the check for trailing
3369 * characters below is executed. */
3378 /* Check for trailing illegal characters and a following command. */
3379 if (!ends_excmd(*arg
))
3382 EMSG(_(e_trailing
));
3385 eap
->nextcmd
= check_nextcmd(arg
);
3389 dict_unref(fudi
.fd_dict
);
3394 * ":unlet[!] var1 ... " command.
3400 ex_unletlock(eap
, eap
->arg
, 0);
3404 * ":lockvar" and ":unlockvar" commands
3410 char_u
*arg
= eap
->arg
;
3415 else if (vim_isdigit(*arg
))
3417 deep
= getdigits(&arg
);
3418 arg
= skipwhite(arg
);
3421 ex_unletlock(eap
, arg
, deep
);
3425 * ":unlet", ":lockvar" and ":unlockvar" are quite similar.
3428 ex_unletlock(eap
, argstart
, deep
)
3433 char_u
*arg
= argstart
;
3440 /* Parse the name and find the end. */
3441 name_end
= get_lval(arg
, NULL
, &lv
, TRUE
, eap
->skip
|| error
, FALSE
,
3443 if (lv
.ll_name
== NULL
)
3444 error
= TRUE
; /* error but continue parsing */
3445 if (name_end
== NULL
|| (!vim_iswhite(*name_end
)
3446 && !ends_excmd(*name_end
)))
3448 if (name_end
!= NULL
)
3451 EMSG(_(e_trailing
));
3453 if (!(eap
->skip
|| error
))
3458 if (!error
&& !eap
->skip
)
3460 if (eap
->cmdidx
== CMD_unlet
)
3462 if (do_unlet_var(&lv
, name_end
, eap
->forceit
) == FAIL
)
3467 if (do_lock_var(&lv
, name_end
, deep
,
3468 eap
->cmdidx
== CMD_lockvar
) == FAIL
)
3476 arg
= skipwhite(name_end
);
3477 } while (!ends_excmd(*arg
));
3479 eap
->nextcmd
= check_nextcmd(arg
);
3483 do_unlet_var(lp
, name_end
, forceit
)
3491 if (lp
->ll_tv
== NULL
)
3496 /* Normal name or expanded name. */
3497 if (check_changedtick(lp
->ll_name
))
3499 else if (do_unlet(lp
->ll_name
, forceit
) == FAIL
)
3503 else if (tv_check_lock(lp
->ll_tv
->v_lock
, lp
->ll_name
))
3505 else if (lp
->ll_range
)
3509 /* Delete a range of List items. */
3510 while (lp
->ll_li
!= NULL
&& (lp
->ll_empty2
|| lp
->ll_n2
>= lp
->ll_n1
))
3512 li
= lp
->ll_li
->li_next
;
3513 listitem_remove(lp
->ll_list
, lp
->ll_li
);
3520 if (lp
->ll_list
!= NULL
)
3521 /* unlet a List item. */
3522 listitem_remove(lp
->ll_list
, lp
->ll_li
);
3524 /* unlet a Dictionary item. */
3525 dictitem_remove(lp
->ll_dict
, lp
->ll_di
);
3532 * "unlet" a variable. Return OK if it existed, FAIL if not.
3533 * When "forceit" is TRUE don't complain if the variable doesn't exist.
3536 do_unlet(name
, forceit
)
3545 ht
= find_var_ht(name
, &varname
);
3546 if (ht
!= NULL
&& *varname
!= NUL
)
3548 hi
= hash_find(ht
, varname
);
3549 if (!HASHITEM_EMPTY(hi
))
3552 if (var_check_fixed(di
->di_flags
, name
)
3553 || var_check_ro(di
->di_flags
, name
))
3561 EMSG2(_("E108: No such variable: \"%s\""), name
);
3566 * Lock or unlock variable indicated by "lp".
3567 * "deep" is the levels to go (-1 for unlimited);
3568 * "lock" is TRUE for ":lockvar", FALSE for ":unlockvar".
3571 do_lock_var(lp
, name_end
, deep
, lock
)
3581 if (deep
== 0) /* nothing to do */
3584 if (lp
->ll_tv
== NULL
)
3589 /* Normal name or expanded name. */
3590 if (check_changedtick(lp
->ll_name
))
3594 di
= find_var(lp
->ll_name
, NULL
);
3600 di
->di_flags
|= DI_FLAGS_LOCK
;
3602 di
->di_flags
&= ~DI_FLAGS_LOCK
;
3603 item_lock(&di
->di_tv
, deep
, lock
);
3608 else if (lp
->ll_range
)
3610 listitem_T
*li
= lp
->ll_li
;
3612 /* (un)lock a range of List items. */
3613 while (li
!= NULL
&& (lp
->ll_empty2
|| lp
->ll_n2
>= lp
->ll_n1
))
3615 item_lock(&li
->li_tv
, deep
, lock
);
3620 else if (lp
->ll_list
!= NULL
)
3621 /* (un)lock a List item. */
3622 item_lock(&lp
->ll_li
->li_tv
, deep
, lock
);
3624 /* un(lock) a Dictionary item. */
3625 item_lock(&lp
->ll_di
->di_tv
, deep
, lock
);
3631 * Lock or unlock an item. "deep" is nr of levels to go.
3634 item_lock(tv
, deep
, lock
)
3639 static int recurse
= 0;
3646 if (recurse
>= DICT_MAXNEST
)
3648 EMSG(_("E743: variable nested too deep for (un)lock"));
3655 /* lock/unlock the item itself */
3657 tv
->v_lock
|= VAR_LOCKED
;
3659 tv
->v_lock
&= ~VAR_LOCKED
;
3664 if ((l
= tv
->vval
.v_list
) != NULL
)
3667 l
->lv_lock
|= VAR_LOCKED
;
3669 l
->lv_lock
&= ~VAR_LOCKED
;
3670 if (deep
< 0 || deep
> 1)
3671 /* recursive: lock/unlock the items the List contains */
3672 for (li
= l
->lv_first
; li
!= NULL
; li
= li
->li_next
)
3673 item_lock(&li
->li_tv
, deep
- 1, lock
);
3677 if ((d
= tv
->vval
.v_dict
) != NULL
)
3680 d
->dv_lock
|= VAR_LOCKED
;
3682 d
->dv_lock
&= ~VAR_LOCKED
;
3683 if (deep
< 0 || deep
> 1)
3685 /* recursive: lock/unlock the items the List contains */
3686 todo
= (int)d
->dv_hashtab
.ht_used
;
3687 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
3689 if (!HASHITEM_EMPTY(hi
))
3692 item_lock(&HI2DI(hi
)->di_tv
, deep
- 1, lock
);
3702 * Return TRUE if typeval "tv" is locked: Either that value is locked itself
3703 * or it refers to a List or Dictionary that is locked.
3709 return (tv
->v_lock
& VAR_LOCKED
)
3710 || (tv
->v_type
== VAR_LIST
3711 && tv
->vval
.v_list
!= NULL
3712 && (tv
->vval
.v_list
->lv_lock
& VAR_LOCKED
))
3713 || (tv
->v_type
== VAR_DICT
3714 && tv
->vval
.v_dict
!= NULL
3715 && (tv
->vval
.v_dict
->dv_lock
& VAR_LOCKED
));
3718 #if (defined(FEAT_MENU) && defined(FEAT_MULTI_LANG)) || defined(PROTO)
3720 * Delete all "menutrans_" variables.
3723 del_menutrans_vars()
3728 hash_lock(&globvarht
);
3729 todo
= (int)globvarht
.ht_used
;
3730 for (hi
= globvarht
.ht_array
; todo
> 0 && !got_int
; ++hi
)
3732 if (!HASHITEM_EMPTY(hi
))
3735 if (STRNCMP(HI2DI(hi
)->di_key
, "menutrans_", 10) == 0)
3736 delete_var(&globvarht
, hi
);
3739 hash_unlock(&globvarht
);
3743 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
3746 * Local string buffer for the next two functions to store a variable name
3747 * with its prefix. Allocated in cat_prefix_varname(), freed later in
3748 * get_user_var_name().
3751 static char_u
*cat_prefix_varname
__ARGS((int prefix
, char_u
*name
));
3753 static char_u
*varnamebuf
= NULL
;
3754 static int varnamebuflen
= 0;
3757 * Function to concatenate a prefix and a variable name.
3760 cat_prefix_varname(prefix
, name
)
3766 len
= (int)STRLEN(name
) + 3;
3767 if (len
> varnamebuflen
)
3769 vim_free(varnamebuf
);
3770 len
+= 10; /* some additional space */
3771 varnamebuf
= alloc(len
);
3772 if (varnamebuf
== NULL
)
3777 varnamebuflen
= len
;
3779 *varnamebuf
= prefix
;
3780 varnamebuf
[1] = ':';
3781 STRCPY(varnamebuf
+ 2, name
);
3786 * Function given to ExpandGeneric() to obtain the list of user defined
3787 * (global/buffer/window/built-in) variable names.
3790 get_user_var_name(xp
, idx
)
3794 static long_u gdone
;
3795 static long_u bdone
;
3796 static long_u wdone
;
3798 static long_u tdone
;
3801 static hashitem_T
*hi
;
3806 gdone
= bdone
= wdone
= vidx
= 0;
3812 /* Global variables */
3813 if (gdone
< globvarht
.ht_used
)
3816 hi
= globvarht
.ht_array
;
3819 while (HASHITEM_EMPTY(hi
))
3821 if (STRNCMP("g:", xp
->xp_pattern
, 2) == 0)
3822 return cat_prefix_varname('g', hi
->hi_key
);
3827 ht
= &curbuf
->b_vars
.dv_hashtab
;
3828 if (bdone
< ht
->ht_used
)
3834 while (HASHITEM_EMPTY(hi
))
3836 return cat_prefix_varname('b', hi
->hi_key
);
3838 if (bdone
== ht
->ht_used
)
3841 return (char_u
*)"b:changedtick";
3845 ht
= &curwin
->w_vars
.dv_hashtab
;
3846 if (wdone
< ht
->ht_used
)
3852 while (HASHITEM_EMPTY(hi
))
3854 return cat_prefix_varname('w', hi
->hi_key
);
3859 ht
= &curtab
->tp_vars
.dv_hashtab
;
3860 if (tdone
< ht
->ht_used
)
3866 while (HASHITEM_EMPTY(hi
))
3868 return cat_prefix_varname('t', hi
->hi_key
);
3874 return cat_prefix_varname('v', (char_u
*)vimvars
[vidx
++].vv_name
);
3876 vim_free(varnamebuf
);
3882 #endif /* FEAT_CMDL_COMPL */
3885 * types for expressions.
3890 , TYPE_EQUAL
/* == */
3891 , TYPE_NEQUAL
/* != */
3892 , TYPE_GREATER
/* > */
3893 , TYPE_GEQUAL
/* >= */
3894 , TYPE_SMALLER
/* < */
3895 , TYPE_SEQUAL
/* <= */
3896 , TYPE_MATCH
/* =~ */
3897 , TYPE_NOMATCH
/* !~ */
3901 * The "evaluate" argument: When FALSE, the argument is only parsed but not
3902 * executed. The function may return OK, but the rettv will be of type
3903 * VAR_UNKNOWN. The function still returns FAIL for a syntax error.
3907 * Handle zero level expression.
3908 * This calls eval1() and handles error message and nextcmd.
3909 * Put the result in "rettv" when returning OK and "evaluate" is TRUE.
3910 * Note: "rettv.v_lock" is not set.
3911 * Return OK or FAIL.
3914 eval0(arg
, rettv
, nextcmd
, evaluate
)
3924 ret
= eval1(&p
, rettv
, evaluate
);
3925 if (ret
== FAIL
|| !ends_excmd(*p
))
3930 * Report the invalid expression unless the expression evaluation has
3931 * been cancelled due to an aborting error, an interrupt, or an
3935 EMSG2(_(e_invexpr2
), arg
);
3938 if (nextcmd
!= NULL
)
3939 *nextcmd
= check_nextcmd(p
);
3945 * Handle top level expression:
3946 * expr2 ? expr1 : expr1
3948 * "arg" must point to the first non-white of the expression.
3949 * "arg" is advanced to the next non-white after the recognized expression.
3951 * Note: "rettv.v_lock" is not set.
3953 * Return OK or FAIL.
3956 eval1(arg
, rettv
, evaluate
)
3965 * Get the first variable.
3967 if (eval2(arg
, rettv
, evaluate
) == FAIL
)
3970 if ((*arg
)[0] == '?')
3977 if (get_tv_number_chk(rettv
, &error
) != 0)
3985 * Get the second variable.
3987 *arg
= skipwhite(*arg
+ 1);
3988 if (eval1(arg
, rettv
, evaluate
&& result
) == FAIL
) /* recursive! */
3992 * Check for the ":".
3994 if ((*arg
)[0] != ':')
3996 EMSG(_("E109: Missing ':' after '?'"));
3997 if (evaluate
&& result
)
4003 * Get the third variable.
4005 *arg
= skipwhite(*arg
+ 1);
4006 if (eval1(arg
, &var2
, evaluate
&& !result
) == FAIL
) /* recursive! */
4008 if (evaluate
&& result
)
4012 if (evaluate
&& !result
)
4020 * Handle first level expression:
4021 * expr2 || expr2 || expr2 logical OR
4023 * "arg" must point to the first non-white of the expression.
4024 * "arg" is advanced to the next non-white after the recognized expression.
4026 * Return OK or FAIL.
4029 eval2(arg
, rettv
, evaluate
)
4040 * Get the first variable.
4042 if (eval3(arg
, rettv
, evaluate
) == FAIL
)
4046 * Repeat until there is no following "||".
4050 while ((*arg
)[0] == '|' && (*arg
)[1] == '|')
4052 if (evaluate
&& first
)
4054 if (get_tv_number_chk(rettv
, &error
) != 0)
4063 * Get the second variable.
4065 *arg
= skipwhite(*arg
+ 2);
4066 if (eval3(arg
, &var2
, evaluate
&& !result
) == FAIL
)
4070 * Compute the result.
4072 if (evaluate
&& !result
)
4074 if (get_tv_number_chk(&var2
, &error
) != 0)
4082 rettv
->v_type
= VAR_NUMBER
;
4083 rettv
->vval
.v_number
= result
;
4091 * Handle second level expression:
4092 * expr3 && expr3 && expr3 logical AND
4094 * "arg" must point to the first non-white of the expression.
4095 * "arg" is advanced to the next non-white after the recognized expression.
4097 * Return OK or FAIL.
4100 eval3(arg
, rettv
, evaluate
)
4111 * Get the first variable.
4113 if (eval4(arg
, rettv
, evaluate
) == FAIL
)
4117 * Repeat until there is no following "&&".
4121 while ((*arg
)[0] == '&' && (*arg
)[1] == '&')
4123 if (evaluate
&& first
)
4125 if (get_tv_number_chk(rettv
, &error
) == 0)
4134 * Get the second variable.
4136 *arg
= skipwhite(*arg
+ 2);
4137 if (eval4(arg
, &var2
, evaluate
&& result
) == FAIL
)
4141 * Compute the result.
4143 if (evaluate
&& result
)
4145 if (get_tv_number_chk(&var2
, &error
) == 0)
4153 rettv
->v_type
= VAR_NUMBER
;
4154 rettv
->vval
.v_number
= result
;
4162 * Handle third level expression:
4174 * "arg" must point to the first non-white of the expression.
4175 * "arg" is advanced to the next non-white after the recognized expression.
4177 * Return OK or FAIL.
4180 eval4(arg
, rettv
, evaluate
)
4188 exptype_T type
= TYPE_UNKNOWN
;
4189 int type_is
= FALSE
; /* TRUE for "is" and "isnot" */
4193 char_u buf1
[NUMBUFLEN
], buf2
[NUMBUFLEN
];
4194 regmatch_T regmatch
;
4199 * Get the first variable.
4201 if (eval5(arg
, rettv
, evaluate
) == FAIL
)
4207 case '=': if (p
[1] == '=')
4209 else if (p
[1] == '~')
4212 case '!': if (p
[1] == '=')
4214 else if (p
[1] == '~')
4215 type
= TYPE_NOMATCH
;
4217 case '>': if (p
[1] != '=')
4219 type
= TYPE_GREATER
;
4225 case '<': if (p
[1] != '=')
4227 type
= TYPE_SMALLER
;
4233 case 'i': if (p
[1] == 's')
4235 if (p
[2] == 'n' && p
[3] == 'o' && p
[4] == 't')
4237 if (!vim_isIDc(p
[len
]))
4239 type
= len
== 2 ? TYPE_EQUAL
: TYPE_NEQUAL
;
4247 * If there is a comparative operator, use it.
4249 if (type
!= TYPE_UNKNOWN
)
4251 /* extra question mark appended: ignore case */
4257 /* extra '#' appended: match case */
4258 else if (p
[len
] == '#')
4263 /* nothing appended: use 'ignorecase' */
4268 * Get the second variable.
4270 *arg
= skipwhite(p
+ len
);
4271 if (eval5(arg
, &var2
, evaluate
) == FAIL
)
4279 if (type_is
&& rettv
->v_type
!= var2
.v_type
)
4281 /* For "is" a different type always means FALSE, for "notis"
4283 n1
= (type
== TYPE_NEQUAL
);
4285 else if (rettv
->v_type
== VAR_LIST
|| var2
.v_type
== VAR_LIST
)
4289 n1
= (rettv
->v_type
== var2
.v_type
4290 && rettv
->vval
.v_list
== var2
.vval
.v_list
);
4291 if (type
== TYPE_NEQUAL
)
4294 else if (rettv
->v_type
!= var2
.v_type
4295 || (type
!= TYPE_EQUAL
&& type
!= TYPE_NEQUAL
))
4297 if (rettv
->v_type
!= var2
.v_type
)
4298 EMSG(_("E691: Can only compare List with List"));
4300 EMSG(_("E692: Invalid operation for Lists"));
4307 /* Compare two Lists for being equal or unequal. */
4308 n1
= list_equal(rettv
->vval
.v_list
, var2
.vval
.v_list
, ic
);
4309 if (type
== TYPE_NEQUAL
)
4314 else if (rettv
->v_type
== VAR_DICT
|| var2
.v_type
== VAR_DICT
)
4318 n1
= (rettv
->v_type
== var2
.v_type
4319 && rettv
->vval
.v_dict
== var2
.vval
.v_dict
);
4320 if (type
== TYPE_NEQUAL
)
4323 else if (rettv
->v_type
!= var2
.v_type
4324 || (type
!= TYPE_EQUAL
&& type
!= TYPE_NEQUAL
))
4326 if (rettv
->v_type
!= var2
.v_type
)
4327 EMSG(_("E735: Can only compare Dictionary with Dictionary"));
4329 EMSG(_("E736: Invalid operation for Dictionary"));
4336 /* Compare two Dictionaries for being equal or unequal. */
4337 n1
= dict_equal(rettv
->vval
.v_dict
, var2
.vval
.v_dict
, ic
);
4338 if (type
== TYPE_NEQUAL
)
4343 else if (rettv
->v_type
== VAR_FUNC
|| var2
.v_type
== VAR_FUNC
)
4345 if (rettv
->v_type
!= var2
.v_type
4346 || (type
!= TYPE_EQUAL
&& type
!= TYPE_NEQUAL
))
4348 if (rettv
->v_type
!= var2
.v_type
)
4349 EMSG(_("E693: Can only compare Funcref with Funcref"));
4351 EMSG(_("E694: Invalid operation for Funcrefs"));
4358 /* Compare two Funcrefs for being equal or unequal. */
4359 if (rettv
->vval
.v_string
== NULL
4360 || var2
.vval
.v_string
== NULL
)
4363 n1
= STRCMP(rettv
->vval
.v_string
,
4364 var2
.vval
.v_string
) == 0;
4365 if (type
== TYPE_NEQUAL
)
4372 * If one of the two variables is a float, compare as a float.
4373 * When using "=~" or "!~", always compare as string.
4375 else if ((rettv
->v_type
== VAR_FLOAT
|| var2
.v_type
== VAR_FLOAT
)
4376 && type
!= TYPE_MATCH
&& type
!= TYPE_NOMATCH
)
4380 if (rettv
->v_type
== VAR_FLOAT
)
4381 f1
= rettv
->vval
.v_float
;
4383 f1
= get_tv_number(rettv
);
4384 if (var2
.v_type
== VAR_FLOAT
)
4385 f2
= var2
.vval
.v_float
;
4387 f2
= get_tv_number(&var2
);
4391 case TYPE_EQUAL
: n1
= (f1
== f2
); break;
4392 case TYPE_NEQUAL
: n1
= (f1
!= f2
); break;
4393 case TYPE_GREATER
: n1
= (f1
> f2
); break;
4394 case TYPE_GEQUAL
: n1
= (f1
>= f2
); break;
4395 case TYPE_SMALLER
: n1
= (f1
< f2
); break;
4396 case TYPE_SEQUAL
: n1
= (f1
<= f2
); break;
4399 case TYPE_NOMATCH
: break; /* avoid gcc warning */
4405 * If one of the two variables is a number, compare as a number.
4406 * When using "=~" or "!~", always compare as string.
4408 else if ((rettv
->v_type
== VAR_NUMBER
|| var2
.v_type
== VAR_NUMBER
)
4409 && type
!= TYPE_MATCH
&& type
!= TYPE_NOMATCH
)
4411 n1
= get_tv_number(rettv
);
4412 n2
= get_tv_number(&var2
);
4415 case TYPE_EQUAL
: n1
= (n1
== n2
); break;
4416 case TYPE_NEQUAL
: n1
= (n1
!= n2
); break;
4417 case TYPE_GREATER
: n1
= (n1
> n2
); break;
4418 case TYPE_GEQUAL
: n1
= (n1
>= n2
); break;
4419 case TYPE_SMALLER
: n1
= (n1
< n2
); break;
4420 case TYPE_SEQUAL
: n1
= (n1
<= n2
); break;
4423 case TYPE_NOMATCH
: break; /* avoid gcc warning */
4428 s1
= get_tv_string_buf(rettv
, buf1
);
4429 s2
= get_tv_string_buf(&var2
, buf2
);
4430 if (type
!= TYPE_MATCH
&& type
!= TYPE_NOMATCH
)
4431 i
= ic
? MB_STRICMP(s1
, s2
) : STRCMP(s1
, s2
);
4437 case TYPE_EQUAL
: n1
= (i
== 0); break;
4438 case TYPE_NEQUAL
: n1
= (i
!= 0); break;
4439 case TYPE_GREATER
: n1
= (i
> 0); break;
4440 case TYPE_GEQUAL
: n1
= (i
>= 0); break;
4441 case TYPE_SMALLER
: n1
= (i
< 0); break;
4442 case TYPE_SEQUAL
: n1
= (i
<= 0); break;
4446 /* avoid 'l' flag in 'cpoptions' */
4448 p_cpo
= (char_u
*)"";
4449 regmatch
.regprog
= vim_regcomp(s2
,
4450 RE_MAGIC
+ RE_STRING
);
4451 regmatch
.rm_ic
= ic
;
4452 if (regmatch
.regprog
!= NULL
)
4454 n1
= vim_regexec_nl(®match
, s1
, (colnr_T
)0);
4455 vim_free(regmatch
.regprog
);
4456 if (type
== TYPE_NOMATCH
)
4462 case TYPE_UNKNOWN
: break; /* avoid gcc warning */
4467 rettv
->v_type
= VAR_NUMBER
;
4468 rettv
->vval
.v_number
= n1
;
4476 * Handle fourth level expression:
4478 * - number subtraction
4479 * . string concatenation
4481 * "arg" must point to the first non-white of the expression.
4482 * "arg" is advanced to the next non-white after the recognized expression.
4484 * Return OK or FAIL.
4487 eval5(arg
, rettv
, evaluate
)
4497 float_T f1
= 0, f2
= 0;
4500 char_u buf1
[NUMBUFLEN
], buf2
[NUMBUFLEN
];
4504 * Get the first variable.
4506 if (eval6(arg
, rettv
, evaluate
, FALSE
) == FAIL
)
4510 * Repeat computing, until no '+', '-' or '.' is following.
4515 if (op
!= '+' && op
!= '-' && op
!= '.')
4518 if ((op
!= '+' || rettv
->v_type
!= VAR_LIST
)
4520 && (op
== '.' || rettv
->v_type
!= VAR_FLOAT
)
4524 /* For "list + ...", an illegal use of the first operand as
4525 * a number cannot be determined before evaluating the 2nd
4526 * operand: if this is also a list, all is ok.
4527 * For "something . ...", "something - ..." or "non-list + ...",
4528 * we know that the first operand needs to be a string or number
4529 * without evaluating the 2nd operand. So check before to avoid
4530 * side effects after an error. */
4531 if (evaluate
&& get_tv_string_chk(rettv
) == NULL
)
4539 * Get the second variable.
4541 *arg
= skipwhite(*arg
+ 1);
4542 if (eval6(arg
, &var2
, evaluate
, op
== '.') == FAIL
)
4551 * Compute the result.
4555 s1
= get_tv_string_buf(rettv
, buf1
); /* already checked */
4556 s2
= get_tv_string_buf_chk(&var2
, buf2
);
4557 if (s2
== NULL
) /* type error ? */
4563 p
= concat_str(s1
, s2
);
4565 rettv
->v_type
= VAR_STRING
;
4566 rettv
->vval
.v_string
= p
;
4568 else if (op
== '+' && rettv
->v_type
== VAR_LIST
4569 && var2
.v_type
== VAR_LIST
)
4571 /* concatenate Lists */
4572 if (list_concat(rettv
->vval
.v_list
, var2
.vval
.v_list
,
4587 if (rettv
->v_type
== VAR_FLOAT
)
4589 f1
= rettv
->vval
.v_float
;
4595 n1
= get_tv_number_chk(rettv
, &error
);
4598 /* This can only happen for "list + non-list". For
4599 * "non-list + ..." or "something - ...", we returned
4600 * before evaluating the 2nd operand. */
4605 if (var2
.v_type
== VAR_FLOAT
)
4610 if (var2
.v_type
== VAR_FLOAT
)
4612 f2
= var2
.vval
.v_float
;
4618 n2
= get_tv_number_chk(&var2
, &error
);
4626 if (rettv
->v_type
== VAR_FLOAT
)
4633 /* If there is a float on either side the result is a float. */
4634 if (rettv
->v_type
== VAR_FLOAT
|| var2
.v_type
== VAR_FLOAT
)
4640 rettv
->v_type
= VAR_FLOAT
;
4641 rettv
->vval
.v_float
= f1
;
4650 rettv
->v_type
= VAR_NUMBER
;
4651 rettv
->vval
.v_number
= n1
;
4661 * Handle fifth level expression:
4662 * * number multiplication
4666 * "arg" must point to the first non-white of the expression.
4667 * "arg" is advanced to the next non-white after the recognized expression.
4669 * Return OK or FAIL.
4672 eval6(arg
, rettv
, evaluate
, want_string
)
4676 int want_string
; /* after "." operator */
4682 int use_float
= FALSE
;
4688 * Get the first variable.
4690 if (eval7(arg
, rettv
, evaluate
, want_string
) == FAIL
)
4694 * Repeat computing, until no '*', '/' or '%' is following.
4699 if (op
!= '*' && op
!= '/' && op
!= '%')
4705 if (rettv
->v_type
== VAR_FLOAT
)
4707 f1
= rettv
->vval
.v_float
;
4713 n1
= get_tv_number_chk(rettv
, &error
);
4722 * Get the second variable.
4724 *arg
= skipwhite(*arg
+ 1);
4725 if (eval7(arg
, &var2
, evaluate
, FALSE
) == FAIL
)
4731 if (var2
.v_type
== VAR_FLOAT
)
4738 f2
= var2
.vval
.v_float
;
4744 n2
= get_tv_number_chk(&var2
, &error
);
4755 * Compute the result.
4756 * When either side is a float the result is a float.
4765 /* We rely on the floating point library to handle divide
4766 * by zero to result in "inf" and not a crash. */
4771 EMSG(_("E804: Cannot use '%' with Float"));
4774 rettv
->v_type
= VAR_FLOAT
;
4775 rettv
->vval
.v_float
= f1
;
4784 if (n2
== 0) /* give an error message? */
4787 n1
= -0x7fffffffL
- 1L; /* similar to NaN */
4798 if (n2
== 0) /* give an error message? */
4803 rettv
->v_type
= VAR_NUMBER
;
4804 rettv
->vval
.v_number
= n1
;
4813 * Handle sixth level expression:
4814 * number number constant
4815 * "string" string constant
4816 * 'string' literal string constant
4817 * &option-name option value
4818 * @r register contents
4819 * identifier variable value
4820 * function() function call
4821 * $VAR environment variable
4822 * (expression) nested expression
4824 * {key: val, key: val} Dictionary
4827 * ! in front logical NOT
4828 * - in front unary minus
4829 * + in front unary plus (ignored)
4830 * trailing [] subscript in String or List
4831 * trailing .name entry in Dictionary
4833 * "arg" must point to the first non-white of the expression.
4834 * "arg" is advanced to the next non-white after the recognized expression.
4836 * Return OK or FAIL.
4839 eval7(arg
, rettv
, evaluate
, want_string
)
4843 int want_string
; /* after "." operator */
4848 char_u
*start_leader
, *end_leader
;
4853 * Initialise variable so that clear_tv() can't mistake this for a
4854 * string and free a string that isn't there.
4856 rettv
->v_type
= VAR_UNKNOWN
;
4859 * Skip '!' and '-' characters. They are handled later.
4861 start_leader
= *arg
;
4862 while (**arg
== '!' || **arg
== '-' || **arg
== '+')
4863 *arg
= skipwhite(*arg
+ 1);
4883 char_u
*p
= skipdigits(*arg
+ 1);
4884 int get_float
= FALSE
;
4886 /* We accept a float when the format matches
4887 * "[0-9]\+\.[0-9]\+\([eE][+-]\?[0-9]\+\)\?". This is very
4888 * strict to avoid backwards compatibility problems.
4889 * Don't look for a float after the "." operator, so that
4890 * ":let vers = 1.2.3" doesn't fail. */
4891 if (!want_string
&& p
[0] == '.' && vim_isdigit(p
[1]))
4894 p
= skipdigits(p
+ 2);
4895 if (*p
== 'e' || *p
== 'E')
4898 if (*p
== '-' || *p
== '+')
4900 if (!vim_isdigit(*p
))
4903 p
= skipdigits(p
+ 1);
4905 if (ASCII_ISALPHA(*p
) || *p
== '.')
4912 *arg
+= string2float(*arg
, &f
);
4915 rettv
->v_type
= VAR_FLOAT
;
4916 rettv
->vval
.v_float
= f
;
4922 vim_str2nr(*arg
, NULL
, &len
, TRUE
, TRUE
, &n
, NULL
);
4926 rettv
->v_type
= VAR_NUMBER
;
4927 rettv
->vval
.v_number
= n
;
4934 * String constant: "string".
4936 case '"': ret
= get_string_tv(arg
, rettv
, evaluate
);
4940 * Literal string constant: 'str''ing'.
4942 case '\'': ret
= get_lit_string_tv(arg
, rettv
, evaluate
);
4946 * List: [expr, expr]
4948 case '[': ret
= get_list_tv(arg
, rettv
, evaluate
);
4952 * Dictionary: {key: val, key: val}
4954 case '{': ret
= get_dict_tv(arg
, rettv
, evaluate
);
4958 * Option value: &name
4960 case '&': ret
= get_option_tv(arg
, rettv
, evaluate
);
4964 * Environment variable: $VAR.
4966 case '$': ret
= get_env_tv(arg
, rettv
, evaluate
);
4970 * Register contents: @r.
4975 rettv
->v_type
= VAR_STRING
;
4976 rettv
->vval
.v_string
= get_reg_contents(**arg
, TRUE
, TRUE
);
4983 * nested expression: (expression).
4985 case '(': *arg
= skipwhite(*arg
+ 1);
4986 ret
= eval1(arg
, rettv
, evaluate
); /* recursive! */
4991 EMSG(_("E110: Missing ')'"));
4997 default: ret
= NOTDONE
;
5004 * Must be a variable or function name.
5005 * Can also be a curly-braces kind of name: {expr}.
5008 len
= get_name_len(arg
, &alias
, evaluate
, TRUE
);
5016 if (**arg
== '(') /* recursive! */
5018 /* If "s" is the name of a variable of type VAR_FUNC
5019 * use its contents. */
5020 s
= deref_func_name(s
, &len
);
5022 /* Invoke the function. */
5023 ret
= get_func_tv(s
, len
, rettv
, arg
,
5024 curwin
->w_cursor
.lnum
, curwin
->w_cursor
.lnum
,
5025 &len
, evaluate
, NULL
);
5026 /* Stop the expression evaluation when immediately
5027 * aborting on error, or when an interrupt occurred or
5028 * an exception was thrown but not caught. */
5037 ret
= get_var_tv(s
, len
, rettv
, TRUE
);
5046 *arg
= skipwhite(*arg
);
5048 /* Handle following '[', '(' and '.' for expr[expr], expr.name,
5051 ret
= handle_subscript(arg
, rettv
, evaluate
, TRUE
);
5054 * Apply logical NOT and unary '-', from right to left, ignore '+'.
5056 if (ret
== OK
&& evaluate
&& end_leader
> start_leader
)
5063 if (rettv
->v_type
== VAR_FLOAT
)
5064 f
= rettv
->vval
.v_float
;
5067 val
= get_tv_number_chk(rettv
, &error
);
5075 while (end_leader
> start_leader
)
5078 if (*end_leader
== '!')
5081 if (rettv
->v_type
== VAR_FLOAT
)
5087 else if (*end_leader
== '-')
5090 if (rettv
->v_type
== VAR_FLOAT
)
5098 if (rettv
->v_type
== VAR_FLOAT
)
5101 rettv
->vval
.v_float
= f
;
5107 rettv
->v_type
= VAR_NUMBER
;
5108 rettv
->vval
.v_number
= val
;
5117 * Evaluate an "[expr]" or "[expr:expr]" index. Also "dict.key".
5118 * "*arg" points to the '[' or '.'.
5119 * Returns FAIL or OK. "*arg" is advanced to after the ']'.
5122 eval_index(arg
, rettv
, evaluate
, verbose
)
5126 int verbose
; /* give error messages */
5128 int empty1
= FALSE
, empty2
= FALSE
;
5129 typval_T var1
, var2
;
5136 if (rettv
->v_type
== VAR_FUNC
5138 || rettv
->v_type
== VAR_FLOAT
5143 EMSG(_("E695: Cannot index a Funcref"));
5153 for (len
= 0; ASCII_ISALNUM(key
[len
]) || key
[len
] == '_'; ++len
)
5157 *arg
= skipwhite(key
+ len
);
5164 * Get the (first) variable from inside the [].
5166 *arg
= skipwhite(*arg
+ 1);
5169 else if (eval1(arg
, &var1
, evaluate
) == FAIL
) /* recursive! */
5171 else if (evaluate
&& get_tv_string_chk(&var1
) == NULL
)
5173 /* not a number or string */
5179 * Get the second variable from inside the [:].
5184 *arg
= skipwhite(*arg
+ 1);
5187 else if (eval1(arg
, &var2
, evaluate
) == FAIL
) /* recursive! */
5193 else if (evaluate
&& get_tv_string_chk(&var2
) == NULL
)
5195 /* not a number or string */
5203 /* Check for the ']'. */
5207 EMSG(_(e_missbrac
));
5213 *arg
= skipwhite(*arg
+ 1); /* skip the ']' */
5219 if (!empty1
&& rettv
->v_type
!= VAR_DICT
)
5221 n1
= get_tv_number(&var1
);
5230 n2
= get_tv_number(&var2
);
5235 switch (rettv
->v_type
)
5239 s
= get_tv_string(rettv
);
5240 len
= (long)STRLEN(s
);
5243 /* The resulting variable is a substring. If the indexes
5244 * are out of range the result is empty. */
5255 if (n1
>= len
|| n2
< 0 || n1
> n2
)
5258 s
= vim_strnsave(s
+ n1
, (int)(n2
- n1
+ 1));
5262 /* The resulting variable is a string of a single
5263 * character. If the index is too big or negative the
5264 * result is empty. */
5265 if (n1
>= len
|| n1
< 0)
5268 s
= vim_strnsave(s
+ n1
, 1);
5271 rettv
->v_type
= VAR_STRING
;
5272 rettv
->vval
.v_string
= s
;
5276 len
= list_len(rettv
->vval
.v_list
);
5279 if (!empty1
&& (n1
< 0 || n1
>= len
))
5281 /* For a range we allow invalid values and return an empty
5282 * list. A list index out of range is an error. */
5286 EMSGN(_(e_listidx
), n1
);
5300 if (!empty2
&& (n2
< 0 || n2
+ 1 < n1
))
5305 for (item
= list_find(rettv
->vval
.v_list
, n1
);
5308 if (list_append_tv(l
, &item
->li_tv
) == FAIL
)
5313 item
= item
->li_next
;
5316 rettv
->v_type
= VAR_LIST
;
5317 rettv
->vval
.v_list
= l
;
5322 copy_tv(&list_find(rettv
->vval
.v_list
, n1
)->li_tv
, &var1
);
5332 EMSG(_(e_dictrange
));
5342 key
= get_tv_string(&var1
);
5346 EMSG(_(e_emptykey
));
5352 item
= dict_find(rettv
->vval
.v_dict
, key
, (int)len
);
5354 if (item
== NULL
&& verbose
)
5355 EMSG2(_(e_dictkey
), key
);
5361 copy_tv(&item
->di_tv
, &var1
);
5373 * Get an option value.
5374 * "arg" points to the '&' or '+' before the option name.
5375 * "arg" is advanced to character after the option name.
5376 * Return OK or FAIL.
5379 get_option_tv(arg
, rettv
, evaluate
)
5381 typval_T
*rettv
; /* when NULL, only check if option exists */
5389 int working
= (**arg
== '+'); /* has("+option") */
5394 * Isolate the option name and find its value.
5396 option_end
= find_option_end(arg
, &opt_flags
);
5397 if (option_end
== NULL
)
5400 EMSG2(_("E112: Option name missing: %s"), *arg
);
5412 opt_type
= get_option_value(*arg
, &numval
,
5413 rettv
== NULL
? NULL
: &stringval
, opt_flags
);
5415 if (opt_type
== -3) /* invalid name */
5418 EMSG2(_("E113: Unknown option: %s"), *arg
);
5421 else if (rettv
!= NULL
)
5423 if (opt_type
== -2) /* hidden string option */
5425 rettv
->v_type
= VAR_STRING
;
5426 rettv
->vval
.v_string
= NULL
;
5428 else if (opt_type
== -1) /* hidden number option */
5430 rettv
->v_type
= VAR_NUMBER
;
5431 rettv
->vval
.v_number
= 0;
5433 else if (opt_type
== 1) /* number option */
5435 rettv
->v_type
= VAR_NUMBER
;
5436 rettv
->vval
.v_number
= numval
;
5438 else /* string option */
5440 rettv
->v_type
= VAR_STRING
;
5441 rettv
->vval
.v_string
= stringval
;
5444 else if (working
&& (opt_type
== -2 || opt_type
== -1))
5447 *option_end
= c
; /* put back for error messages */
5454 * Allocate a variable for a string constant.
5455 * Return OK or FAIL.
5458 get_string_tv(arg
, rettv
, evaluate
)
5468 * Find the end of the string, skipping backslashed characters.
5470 for (p
= *arg
+ 1; *p
!= NUL
&& *p
!= '"'; mb_ptr_adv(p
))
5472 if (*p
== '\\' && p
[1] != NUL
)
5475 /* A "\<x>" form occupies at least 4 characters, and produces up
5476 * to 6 characters: reserve space for 2 extra */
5484 EMSG2(_("E114: Missing quote: %s"), *arg
);
5488 /* If only parsing, set *arg and return here */
5496 * Copy the string into allocated memory, handling backslashed
5499 name
= alloc((unsigned)(p
- *arg
+ extra
));
5502 rettv
->v_type
= VAR_STRING
;
5503 rettv
->vval
.v_string
= name
;
5505 for (p
= *arg
+ 1; *p
!= NUL
&& *p
!= '"'; )
5511 case 'b': *name
++ = BS
; ++p
; break;
5512 case 'e': *name
++ = ESC
; ++p
; break;
5513 case 'f': *name
++ = FF
; ++p
; break;
5514 case 'n': *name
++ = NL
; ++p
; break;
5515 case 'r': *name
++ = CAR
; ++p
; break;
5516 case 't': *name
++ = TAB
; ++p
; break;
5518 case 'X': /* hex: "\x1", "\x12" */
5520 case 'u': /* Unicode: "\u0023" */
5522 if (vim_isxdigit(p
[1]))
5525 int c
= toupper(*p
);
5532 while (--n
>= 0 && vim_isxdigit(p
[1]))
5535 nr
= (nr
<< 4) + hex2nr(*p
);
5539 /* For "\u" store the number according to
5542 name
+= (*mb_char2bytes
)(nr
, name
);
5549 /* octal: "\1", "\12", "\123" */
5557 case '7': *name
= *p
++ - '0';
5558 if (*p
>= '0' && *p
<= '7')
5560 *name
= (*name
<< 3) + *p
++ - '0';
5561 if (*p
>= '0' && *p
<= '7')
5562 *name
= (*name
<< 3) + *p
++ - '0';
5567 /* Special key, e.g.: "\<C-W>" */
5568 case '<': extra
= trans_special(&p
, name
, TRUE
);
5576 default: MB_COPY_CHAR(p
, name
);
5581 MB_COPY_CHAR(p
, name
);
5591 * Allocate a variable for a 'str''ing' constant.
5592 * Return OK or FAIL.
5595 get_lit_string_tv(arg
, rettv
, evaluate
)
5605 * Find the end of the string, skipping ''.
5607 for (p
= *arg
+ 1; *p
!= NUL
; mb_ptr_adv(p
))
5620 EMSG2(_("E115: Missing quote: %s"), *arg
);
5624 /* If only parsing return after setting "*arg" */
5632 * Copy the string into allocated memory, handling '' to ' reduction.
5634 str
= alloc((unsigned)((p
- *arg
) - reduce
));
5637 rettv
->v_type
= VAR_STRING
;
5638 rettv
->vval
.v_string
= str
;
5640 for (p
= *arg
+ 1; *p
!= NUL
; )
5648 MB_COPY_CHAR(p
, str
);
5657 * Allocate a variable for a List and fill it from "*arg".
5658 * Return OK or FAIL.
5661 get_list_tv(arg
, rettv
, evaluate
)
5677 *arg
= skipwhite(*arg
+ 1);
5678 while (**arg
!= ']' && **arg
!= NUL
)
5680 if (eval1(arg
, &tv
, evaluate
) == FAIL
) /* recursive! */
5684 item
= listitem_alloc();
5688 item
->li_tv
.v_lock
= 0;
5689 list_append(l
, item
);
5699 EMSG2(_("E696: Missing comma in List: %s"), *arg
);
5702 *arg
= skipwhite(*arg
+ 1);
5707 EMSG2(_("E697: Missing end of List ']': %s"), *arg
);
5714 *arg
= skipwhite(*arg
+ 1);
5717 rettv
->v_type
= VAR_LIST
;
5718 rettv
->vval
.v_list
= l
;
5726 * Allocate an empty header for a list.
5727 * Caller should take care of the reference count.
5734 l
= (list_T
*)alloc_clear(sizeof(list_T
));
5737 /* Prepend the list to the list of lists for garbage collection. */
5738 if (first_list
!= NULL
)
5739 first_list
->lv_used_prev
= l
;
5740 l
->lv_used_prev
= NULL
;
5741 l
->lv_used_next
= first_list
;
5748 * Allocate an empty list for a return value.
5749 * Returns OK or FAIL.
5752 rettv_list_alloc(rettv
)
5755 list_T
*l
= list_alloc();
5760 rettv
->vval
.v_list
= l
;
5761 rettv
->v_type
= VAR_LIST
;
5767 * Unreference a list: decrement the reference count and free it when it
5774 if (l
!= NULL
&& --l
->lv_refcount
<= 0)
5779 * Free a list, including all items it points to.
5780 * Ignores the reference count.
5783 list_free(l
, recurse
)
5785 int recurse
; /* Free Lists and Dictionaries recursively. */
5789 /* Remove the list from the list of lists for garbage collection. */
5790 if (l
->lv_used_prev
== NULL
)
5791 first_list
= l
->lv_used_next
;
5793 l
->lv_used_prev
->lv_used_next
= l
->lv_used_next
;
5794 if (l
->lv_used_next
!= NULL
)
5795 l
->lv_used_next
->lv_used_prev
= l
->lv_used_prev
;
5797 for (item
= l
->lv_first
; item
!= NULL
; item
= l
->lv_first
)
5799 /* Remove the item before deleting it. */
5800 l
->lv_first
= item
->li_next
;
5801 if (recurse
|| (item
->li_tv
.v_type
!= VAR_LIST
5802 && item
->li_tv
.v_type
!= VAR_DICT
))
5803 clear_tv(&item
->li_tv
);
5810 * Allocate a list item.
5815 return (listitem_T
*)alloc(sizeof(listitem_T
));
5819 * Free a list item. Also clears the value. Does not notify watchers.
5825 clear_tv(&item
->li_tv
);
5830 * Remove a list item from a List and free it. Also clears the value.
5833 listitem_remove(l
, item
)
5837 list_remove(l
, item
, item
);
5838 listitem_free(item
);
5842 * Get the number of items in a list.
5854 * Return TRUE when two lists have exactly the same values.
5857 list_equal(l1
, l2
, ic
)
5860 int ic
; /* ignore case for strings */
5862 listitem_T
*item1
, *item2
;
5864 if (l1
== NULL
|| l2
== NULL
)
5868 if (list_len(l1
) != list_len(l2
))
5871 for (item1
= l1
->lv_first
, item2
= l2
->lv_first
;
5872 item1
!= NULL
&& item2
!= NULL
;
5873 item1
= item1
->li_next
, item2
= item2
->li_next
)
5874 if (!tv_equal(&item1
->li_tv
, &item2
->li_tv
, ic
))
5876 return item1
== NULL
&& item2
== NULL
;
5879 #if defined(FEAT_RUBY) || defined(FEAT_PYTHON) || defined(FEAT_MZSCHEME) \
5882 * Return the dictitem that an entry in a hashtable points to.
5893 * Return TRUE when two dictionaries have exactly the same key/values.
5896 dict_equal(d1
, d2
, ic
)
5899 int ic
; /* ignore case for strings */
5905 if (d1
== NULL
|| d2
== NULL
)
5909 if (dict_len(d1
) != dict_len(d2
))
5912 todo
= (int)d1
->dv_hashtab
.ht_used
;
5913 for (hi
= d1
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
5915 if (!HASHITEM_EMPTY(hi
))
5917 item2
= dict_find(d2
, hi
->hi_key
, -1);
5920 if (!tv_equal(&HI2DI(hi
)->di_tv
, &item2
->di_tv
, ic
))
5929 * Return TRUE if "tv1" and "tv2" have the same value.
5930 * Compares the items just like "==" would compare them, but strings and
5931 * numbers are different. Floats and numbers are also different.
5934 tv_equal(tv1
, tv2
, ic
)
5937 int ic
; /* ignore case */
5939 char_u buf1
[NUMBUFLEN
], buf2
[NUMBUFLEN
];
5941 static int recursive
= 0; /* cach recursive loops */
5944 if (tv1
->v_type
!= tv2
->v_type
)
5946 /* Catch lists and dicts that have an endless loop by limiting
5947 * recursiveness to 1000. We guess they are equal then. */
5948 if (recursive
>= 1000)
5951 switch (tv1
->v_type
)
5955 r
= list_equal(tv1
->vval
.v_list
, tv2
->vval
.v_list
, ic
);
5961 r
= dict_equal(tv1
->vval
.v_dict
, tv2
->vval
.v_dict
, ic
);
5966 return (tv1
->vval
.v_string
!= NULL
5967 && tv2
->vval
.v_string
!= NULL
5968 && STRCMP(tv1
->vval
.v_string
, tv2
->vval
.v_string
) == 0);
5971 return tv1
->vval
.v_number
== tv2
->vval
.v_number
;
5975 return tv1
->vval
.v_float
== tv2
->vval
.v_float
;
5979 s1
= get_tv_string_buf(tv1
, buf1
);
5980 s2
= get_tv_string_buf(tv2
, buf2
);
5981 return ((ic
? MB_STRICMP(s1
, s2
) : STRCMP(s1
, s2
)) == 0);
5984 EMSG2(_(e_intern2
), "tv_equal()");
5989 * Locate item with index "n" in list "l" and return it.
5990 * A negative index is counted from the end; -1 is the last item.
5991 * Returns NULL when "n" is out of range.
6004 /* Negative index is relative to the end. */
6008 /* Check for index out of range. */
6009 if (n
< 0 || n
>= l
->lv_len
)
6012 /* When there is a cached index may start search from there. */
6013 if (l
->lv_idx_item
!= NULL
)
6015 if (n
< l
->lv_idx
/ 2)
6017 /* closest to the start of the list */
6021 else if (n
> (l
->lv_idx
+ l
->lv_len
) / 2)
6023 /* closest to the end of the list */
6025 idx
= l
->lv_len
- 1;
6029 /* closest to the cached index */
6030 item
= l
->lv_idx_item
;
6036 if (n
< l
->lv_len
/ 2)
6038 /* closest to the start of the list */
6044 /* closest to the end of the list */
6046 idx
= l
->lv_len
- 1;
6052 /* search forward */
6053 item
= item
->li_next
;
6058 /* search backward */
6059 item
= item
->li_prev
;
6063 /* cache the used index */
6065 l
->lv_idx_item
= item
;
6071 * Get list item "l[idx]" as a number.
6074 list_find_nr(l
, idx
, errorp
)
6077 int *errorp
; /* set to TRUE when something wrong */
6081 li
= list_find(l
, idx
);
6088 return get_tv_number_chk(&li
->li_tv
, errorp
);
6092 * Get list item "l[idx - 1]" as a string. Returns NULL for failure.
6095 list_find_str(l
, idx
)
6101 li
= list_find(l
, idx
- 1);
6104 EMSGN(_(e_listidx
), idx
);
6107 return get_tv_string(&li
->li_tv
);
6111 * Locate "item" list "l" and return its index.
6112 * Returns -1 when "item" is not in the list.
6115 list_idx_of_item(l
, item
)
6125 for (li
= l
->lv_first
; li
!= NULL
&& li
!= item
; li
= li
->li_next
)
6133 * Append item "item" to the end of list "l".
6136 list_append(l
, item
)
6140 if (l
->lv_last
== NULL
)
6145 item
->li_prev
= NULL
;
6149 l
->lv_last
->li_next
= item
;
6150 item
->li_prev
= l
->lv_last
;
6154 item
->li_next
= NULL
;
6158 * Append typval_T "tv" to the end of list "l".
6159 * Return FAIL when out of memory.
6162 list_append_tv(l
, tv
)
6166 listitem_T
*li
= listitem_alloc();
6170 copy_tv(tv
, &li
->li_tv
);
6176 * Add a dictionary to a list. Used by getqflist().
6177 * Return FAIL when out of memory.
6180 list_append_dict(list
, dict
)
6184 listitem_T
*li
= listitem_alloc();
6188 li
->li_tv
.v_type
= VAR_DICT
;
6189 li
->li_tv
.v_lock
= 0;
6190 li
->li_tv
.vval
.v_dict
= dict
;
6191 list_append(list
, li
);
6192 ++dict
->dv_refcount
;
6197 * Make a copy of "str" and append it as an item to list "l".
6198 * When "len" >= 0 use "str[len]".
6199 * Returns FAIL when out of memory.
6202 list_append_string(l
, str
, len
)
6207 listitem_T
*li
= listitem_alloc();
6212 li
->li_tv
.v_type
= VAR_STRING
;
6213 li
->li_tv
.v_lock
= 0;
6215 li
->li_tv
.vval
.v_string
= NULL
;
6216 else if ((li
->li_tv
.vval
.v_string
= (len
>= 0 ? vim_strnsave(str
, len
)
6217 : vim_strsave(str
))) == NULL
)
6223 * Append "n" to list "l".
6224 * Returns FAIL when out of memory.
6227 list_append_number(l
, n
)
6233 li
= listitem_alloc();
6236 li
->li_tv
.v_type
= VAR_NUMBER
;
6237 li
->li_tv
.v_lock
= 0;
6238 li
->li_tv
.vval
.v_number
= n
;
6244 * Insert typval_T "tv" in list "l" before "item".
6245 * If "item" is NULL append at the end.
6246 * Return FAIL when out of memory.
6249 list_insert_tv(l
, tv
, item
)
6254 listitem_T
*ni
= listitem_alloc();
6258 copy_tv(tv
, &ni
->li_tv
);
6260 /* Append new item at end of list. */
6264 /* Insert new item before existing item. */
6265 ni
->li_prev
= item
->li_prev
;
6267 if (item
->li_prev
== NULL
)
6274 item
->li_prev
->li_next
= ni
;
6275 l
->lv_idx_item
= NULL
;
6284 * Extend "l1" with "l2".
6285 * If "bef" is NULL append at the end, otherwise insert before this item.
6286 * Returns FAIL when out of memory.
6289 list_extend(l1
, l2
, bef
)
6295 int todo
= l2
->lv_len
;
6297 /* We also quit the loop when we have inserted the original item count of
6298 * the list, avoid a hang when we extend a list with itself. */
6299 for (item
= l2
->lv_first
; item
!= NULL
&& --todo
>= 0; item
= item
->li_next
)
6300 if (list_insert_tv(l1
, &item
->li_tv
, bef
) == FAIL
)
6306 * Concatenate lists "l1" and "l2" into a new list, stored in "tv".
6307 * Return FAIL when out of memory.
6310 list_concat(l1
, l2
, tv
)
6317 if (l1
== NULL
|| l2
== NULL
)
6320 /* make a copy of the first list. */
6321 l
= list_copy(l1
, FALSE
, 0);
6324 tv
->v_type
= VAR_LIST
;
6325 tv
->vval
.v_list
= l
;
6327 /* append all items from the second list */
6328 return list_extend(l
, l2
, NULL
);
6332 * Make a copy of list "orig". Shallow if "deep" is FALSE.
6333 * The refcount of the new list is set to 1.
6334 * See item_copy() for "copyID".
6335 * Returns NULL when out of memory.
6338 list_copy(orig
, deep
, copyID
)
6350 copy
= list_alloc();
6355 /* Do this before adding the items, because one of the items may
6356 * refer back to this list. */
6357 orig
->lv_copyID
= copyID
;
6358 orig
->lv_copylist
= copy
;
6360 for (item
= orig
->lv_first
; item
!= NULL
&& !got_int
;
6361 item
= item
->li_next
)
6363 ni
= listitem_alloc();
6368 if (item_copy(&item
->li_tv
, &ni
->li_tv
, deep
, copyID
) == FAIL
)
6375 copy_tv(&item
->li_tv
, &ni
->li_tv
);
6376 list_append(copy
, ni
);
6378 ++copy
->lv_refcount
;
6390 * Remove items "item" to "item2" from list "l".
6391 * Does not free the listitem or the value!
6394 list_remove(l
, item
, item2
)
6401 /* notify watchers */
6402 for (ip
= item
; ip
!= NULL
; ip
= ip
->li_next
)
6405 list_fix_watch(l
, ip
);
6410 if (item2
->li_next
== NULL
)
6411 l
->lv_last
= item
->li_prev
;
6413 item2
->li_next
->li_prev
= item
->li_prev
;
6414 if (item
->li_prev
== NULL
)
6415 l
->lv_first
= item2
->li_next
;
6417 item
->li_prev
->li_next
= item2
->li_next
;
6418 l
->lv_idx_item
= NULL
;
6422 * Return an allocated string with the string representation of a list.
6426 list2string(tv
, copyID
)
6432 if (tv
->vval
.v_list
== NULL
)
6434 ga_init2(&ga
, (int)sizeof(char), 80);
6435 ga_append(&ga
, '[');
6436 if (list_join(&ga
, tv
->vval
.v_list
, (char_u
*)", ", FALSE
, copyID
) == FAIL
)
6438 vim_free(ga
.ga_data
);
6441 ga_append(&ga
, ']');
6442 ga_append(&ga
, NUL
);
6443 return (char_u
*)ga
.ga_data
;
6447 * Join list "l" into a string in "*gap", using separator "sep".
6448 * When "echo" is TRUE use String as echoed, otherwise as inside a List.
6449 * Return FAIL or OK.
6452 list_join(gap
, l
, sep
, echo
, copyID
)
6461 char_u numbuf
[NUMBUFLEN
];
6465 for (item
= l
->lv_first
; item
!= NULL
&& !got_int
; item
= item
->li_next
)
6470 ga_concat(gap
, sep
);
6473 s
= echo_string(&item
->li_tv
, &tofree
, numbuf
, copyID
);
6475 s
= tv2string(&item
->li_tv
, &tofree
, numbuf
, copyID
);
6487 * Garbage collection for lists and dictionaries.
6489 * We use reference counts to be able to free most items right away when they
6490 * are no longer used. But for composite items it's possible that it becomes
6491 * unused while the reference count is > 0: When there is a recursive
6492 * reference. Example:
6493 * :let l = [1, 2, 3]
6497 * Since this is quite unusual we handle this with garbage collection: every
6498 * once in a while find out which lists and dicts are not referenced from any
6501 * Here is a good reference text about garbage collection (refers to Python
6502 * but it applies to all reference-counting mechanisms):
6503 * http://python.ca/nas/python/gc/
6507 * Do garbage collection for lists and dicts.
6508 * Return TRUE if some memory was freed.
6517 funccall_T
*fc
, **pfc
;
6519 int did_free_funccal
= FALSE
;
6524 /* Only do this once. */
6525 want_garbage_collect
= FALSE
;
6526 may_garbage_collect
= FALSE
;
6527 garbage_collect_at_exit
= FALSE
;
6529 /* We advance by two because we add one for items referenced through
6530 * previous_funccal. */
6531 current_copyID
+= COPYID_INC
;
6532 copyID
= current_copyID
;
6535 * 1. Go through all accessible variables and mark all lists and dicts
6539 /* Don't free variables in the previous_funccal list unless they are only
6540 * referenced through previous_funccal. This must be first, because if
6541 * the item is referenced elsewhere the funccal must not be freed. */
6542 for (fc
= previous_funccal
; fc
!= NULL
; fc
= fc
->caller
)
6544 set_ref_in_ht(&fc
->l_vars
.dv_hashtab
, copyID
+ 1);
6545 set_ref_in_ht(&fc
->l_avars
.dv_hashtab
, copyID
+ 1);
6548 /* script-local variables */
6549 for (i
= 1; i
<= ga_scripts
.ga_len
; ++i
)
6550 set_ref_in_ht(&SCRIPT_VARS(i
), copyID
);
6552 /* buffer-local variables */
6553 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
6554 set_ref_in_ht(&buf
->b_vars
.dv_hashtab
, copyID
);
6556 /* window-local variables */
6557 FOR_ALL_TAB_WINDOWS(tp
, wp
)
6558 set_ref_in_ht(&wp
->w_vars
.dv_hashtab
, copyID
);
6561 /* tabpage-local variables */
6562 for (tp
= first_tabpage
; tp
!= NULL
; tp
= tp
->tp_next
)
6563 set_ref_in_ht(&tp
->tp_vars
.dv_hashtab
, copyID
);
6566 /* global variables */
6567 set_ref_in_ht(&globvarht
, copyID
);
6569 /* function-local variables */
6570 for (fc
= current_funccal
; fc
!= NULL
; fc
= fc
->caller
)
6572 set_ref_in_ht(&fc
->l_vars
.dv_hashtab
, copyID
);
6573 set_ref_in_ht(&fc
->l_avars
.dv_hashtab
, copyID
);
6577 set_ref_in_ht(&vimvarht
, copyID
);
6580 * 2. Free lists and dictionaries that are not referenced.
6582 did_free
= free_unref_items(copyID
);
6585 * 3. Check if any funccal can be freed now.
6587 for (pfc
= &previous_funccal
; *pfc
!= NULL
; )
6589 if (can_free_funccal(*pfc
, copyID
))
6593 free_funccal(fc
, TRUE
);
6595 did_free_funccal
= TRUE
;
6598 pfc
= &(*pfc
)->caller
;
6600 if (did_free_funccal
)
6601 /* When a funccal was freed some more items might be garbage
6602 * collected, so run again. */
6603 (void)garbage_collect();
6609 * Free lists and dictionaries that are no longer referenced.
6612 free_unref_items(copyID
)
6617 int did_free
= FALSE
;
6620 * Go through the list of dicts and free items without the copyID.
6622 for (dd
= first_dict
; dd
!= NULL
; )
6623 if ((dd
->dv_copyID
& COPYID_MASK
) != (copyID
& COPYID_MASK
))
6625 /* Free the Dictionary and ordinary items it contains, but don't
6626 * recurse into Lists and Dictionaries, they will be in the list
6627 * of dicts or list of lists. */
6628 dict_free(dd
, FALSE
);
6631 /* restart, next dict may also have been freed */
6635 dd
= dd
->dv_used_next
;
6638 * Go through the list of lists and free items without the copyID.
6639 * But don't free a list that has a watcher (used in a for loop), these
6640 * are not referenced anywhere.
6642 for (ll
= first_list
; ll
!= NULL
; )
6643 if ((ll
->lv_copyID
& COPYID_MASK
) != (copyID
& COPYID_MASK
)
6644 && ll
->lv_watch
== NULL
)
6646 /* Free the List and ordinary items it contains, but don't recurse
6647 * into Lists and Dictionaries, they will be in the list of dicts
6648 * or list of lists. */
6649 list_free(ll
, FALSE
);
6652 /* restart, next list may also have been freed */
6656 ll
= ll
->lv_used_next
;
6662 * Mark all lists and dicts referenced through hashtab "ht" with "copyID".
6665 set_ref_in_ht(ht
, copyID
)
6672 todo
= (int)ht
->ht_used
;
6673 for (hi
= ht
->ht_array
; todo
> 0; ++hi
)
6674 if (!HASHITEM_EMPTY(hi
))
6677 set_ref_in_item(&HI2DI(hi
)->di_tv
, copyID
);
6682 * Mark all lists and dicts referenced through list "l" with "copyID".
6685 set_ref_in_list(l
, copyID
)
6691 for (li
= l
->lv_first
; li
!= NULL
; li
= li
->li_next
)
6692 set_ref_in_item(&li
->li_tv
, copyID
);
6696 * Mark all lists and dicts referenced through typval "tv" with "copyID".
6699 set_ref_in_item(tv
, copyID
)
6709 dd
= tv
->vval
.v_dict
;
6710 if (dd
!= NULL
&& dd
->dv_copyID
!= copyID
)
6712 /* Didn't see this dict yet. */
6713 dd
->dv_copyID
= copyID
;
6714 set_ref_in_ht(&dd
->dv_hashtab
, copyID
);
6719 ll
= tv
->vval
.v_list
;
6720 if (ll
!= NULL
&& ll
->lv_copyID
!= copyID
)
6722 /* Didn't see this list yet. */
6723 ll
->lv_copyID
= copyID
;
6724 set_ref_in_list(ll
, copyID
);
6732 * Allocate an empty header for a dictionary.
6739 d
= (dict_T
*)alloc(sizeof(dict_T
));
6742 /* Add the list to the list of dicts for garbage collection. */
6743 if (first_dict
!= NULL
)
6744 first_dict
->dv_used_prev
= d
;
6745 d
->dv_used_next
= first_dict
;
6746 d
->dv_used_prev
= NULL
;
6749 hash_init(&d
->dv_hashtab
);
6758 * Unreference a Dictionary: decrement the reference count and free it when it
6765 if (d
!= NULL
&& --d
->dv_refcount
<= 0)
6770 * Free a Dictionary, including all items it contains.
6771 * Ignores the reference count.
6774 dict_free(d
, recurse
)
6776 int recurse
; /* Free Lists and Dictionaries recursively. */
6782 /* Remove the dict from the list of dicts for garbage collection. */
6783 if (d
->dv_used_prev
== NULL
)
6784 first_dict
= d
->dv_used_next
;
6786 d
->dv_used_prev
->dv_used_next
= d
->dv_used_next
;
6787 if (d
->dv_used_next
!= NULL
)
6788 d
->dv_used_next
->dv_used_prev
= d
->dv_used_prev
;
6790 /* Lock the hashtab, we don't want it to resize while freeing items. */
6791 hash_lock(&d
->dv_hashtab
);
6792 todo
= (int)d
->dv_hashtab
.ht_used
;
6793 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
6795 if (!HASHITEM_EMPTY(hi
))
6797 /* Remove the item before deleting it, just in case there is
6798 * something recursive causing trouble. */
6800 hash_remove(&d
->dv_hashtab
, hi
);
6801 if (recurse
|| (di
->di_tv
.v_type
!= VAR_LIST
6802 && di
->di_tv
.v_type
!= VAR_DICT
))
6803 clear_tv(&di
->di_tv
);
6808 hash_clear(&d
->dv_hashtab
);
6813 * Allocate a Dictionary item.
6814 * The "key" is copied to the new item.
6815 * Note that the value of the item "di_tv" still needs to be initialized!
6816 * Returns NULL when out of memory.
6824 di
= (dictitem_T
*)alloc((unsigned)(sizeof(dictitem_T
) + STRLEN(key
)));
6827 STRCPY(di
->di_key
, key
);
6834 * Make a copy of a Dictionary item.
6842 di
= (dictitem_T
*)alloc((unsigned)(sizeof(dictitem_T
)
6843 + STRLEN(org
->di_key
)));
6846 STRCPY(di
->di_key
, org
->di_key
);
6848 copy_tv(&org
->di_tv
, &di
->di_tv
);
6854 * Remove item "item" from Dictionary "dict" and free it.
6857 dictitem_remove(dict
, item
)
6863 hi
= hash_find(&dict
->dv_hashtab
, item
->di_key
);
6864 if (HASHITEM_EMPTY(hi
))
6865 EMSG2(_(e_intern2
), "dictitem_remove()");
6867 hash_remove(&dict
->dv_hashtab
, hi
);
6868 dictitem_free(item
);
6872 * Free a dict item. Also clears the value.
6878 clear_tv(&item
->di_tv
);
6883 * Make a copy of dict "d". Shallow if "deep" is FALSE.
6884 * The refcount of the new dict is set to 1.
6885 * See item_copy() for "copyID".
6886 * Returns NULL when out of memory.
6889 dict_copy(orig
, deep
, copyID
)
6902 copy
= dict_alloc();
6907 orig
->dv_copyID
= copyID
;
6908 orig
->dv_copydict
= copy
;
6910 todo
= (int)orig
->dv_hashtab
.ht_used
;
6911 for (hi
= orig
->dv_hashtab
.ht_array
; todo
> 0 && !got_int
; ++hi
)
6913 if (!HASHITEM_EMPTY(hi
))
6917 di
= dictitem_alloc(hi
->hi_key
);
6922 if (item_copy(&HI2DI(hi
)->di_tv
, &di
->di_tv
, deep
,
6930 copy_tv(&HI2DI(hi
)->di_tv
, &di
->di_tv
);
6931 if (dict_add(copy
, di
) == FAIL
)
6939 ++copy
->dv_refcount
;
6951 * Add item "item" to Dictionary "d".
6952 * Returns FAIL when out of memory and when key already existed.
6959 return hash_add(&d
->dv_hashtab
, item
->di_key
);
6963 * Add a number or string entry to dictionary "d".
6964 * When "str" is NULL use number "nr", otherwise use "str".
6965 * Returns FAIL when out of memory and when key already exists.
6968 dict_add_nr_str(d
, key
, nr
, str
)
6976 item
= dictitem_alloc((char_u
*)key
);
6979 item
->di_tv
.v_lock
= 0;
6982 item
->di_tv
.v_type
= VAR_NUMBER
;
6983 item
->di_tv
.vval
.v_number
= nr
;
6987 item
->di_tv
.v_type
= VAR_STRING
;
6988 item
->di_tv
.vval
.v_string
= vim_strsave(str
);
6990 if (dict_add(d
, item
) == FAIL
)
6992 dictitem_free(item
);
6999 * Get the number of items in a Dictionary.
7007 return (long)d
->dv_hashtab
.ht_used
;
7011 * Find item "key[len]" in Dictionary "d".
7012 * If "len" is negative use strlen(key).
7013 * Returns NULL when not found.
7016 dict_find(d
, key
, len
)
7022 char_u buf
[AKEYLEN
];
7024 char_u
*tofree
= NULL
;
7029 else if (len
>= AKEYLEN
)
7031 tofree
= akey
= vim_strnsave(key
, len
);
7037 /* Avoid a malloc/free by using buf[]. */
7038 vim_strncpy(buf
, key
, len
);
7042 hi
= hash_find(&d
->dv_hashtab
, akey
);
7044 if (HASHITEM_EMPTY(hi
))
7050 * Get a string item from a dictionary.
7051 * When "save" is TRUE allocate memory for it.
7052 * Returns NULL if the entry doesn't exist or out of memory.
7055 get_dict_string(d
, key
, save
)
7063 di
= dict_find(d
, key
, -1);
7066 s
= get_tv_string(&di
->di_tv
);
7067 if (save
&& s
!= NULL
)
7073 * Get a number item from a dictionary.
7074 * Returns 0 if the entry doesn't exist or out of memory.
7077 get_dict_number(d
, key
)
7083 di
= dict_find(d
, key
, -1);
7086 return get_tv_number(&di
->di_tv
);
7090 * Return an allocated string with the string representation of a Dictionary.
7094 dict2string(tv
, copyID
)
7101 char_u numbuf
[NUMBUFLEN
];
7107 if ((d
= tv
->vval
.v_dict
) == NULL
)
7109 ga_init2(&ga
, (int)sizeof(char), 80);
7110 ga_append(&ga
, '{');
7112 todo
= (int)d
->dv_hashtab
.ht_used
;
7113 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0 && !got_int
; ++hi
)
7115 if (!HASHITEM_EMPTY(hi
))
7122 ga_concat(&ga
, (char_u
*)", ");
7124 tofree
= string_quote(hi
->hi_key
, FALSE
);
7127 ga_concat(&ga
, tofree
);
7130 ga_concat(&ga
, (char_u
*)": ");
7131 s
= tv2string(&HI2DI(hi
)->di_tv
, &tofree
, numbuf
, copyID
);
7141 vim_free(ga
.ga_data
);
7145 ga_append(&ga
, '}');
7146 ga_append(&ga
, NUL
);
7147 return (char_u
*)ga
.ga_data
;
7151 * Allocate a variable for a Dictionary and fill it from "*arg".
7152 * Return OK or FAIL. Returns NOTDONE for {expr}.
7155 get_dict_tv(arg
, rettv
, evaluate
)
7165 char_u
*start
= skipwhite(*arg
+ 1);
7166 char_u buf
[NUMBUFLEN
];
7169 * First check if it's not a curly-braces thing: {expr}.
7170 * Must do this without evaluating, otherwise a function may be called
7171 * twice. Unfortunately this means we need to call eval1() twice for the
7173 * But {} is an empty Dictionary.
7177 if (eval1(&start
, &tv
, FALSE
) == FAIL
) /* recursive! */
7189 tvkey
.v_type
= VAR_UNKNOWN
;
7190 tv
.v_type
= VAR_UNKNOWN
;
7192 *arg
= skipwhite(*arg
+ 1);
7193 while (**arg
!= '}' && **arg
!= NUL
)
7195 if (eval1(arg
, &tvkey
, evaluate
) == FAIL
) /* recursive! */
7199 EMSG2(_("E720: Missing colon in Dictionary: %s"), *arg
);
7205 key
= get_tv_string_buf_chk(&tvkey
, buf
);
7206 if (key
== NULL
|| *key
== NUL
)
7208 /* "key" is NULL when get_tv_string_buf_chk() gave an errmsg */
7210 EMSG(_(e_emptykey
));
7216 *arg
= skipwhite(*arg
+ 1);
7217 if (eval1(arg
, &tv
, evaluate
) == FAIL
) /* recursive! */
7225 item
= dict_find(d
, key
, -1);
7228 EMSG2(_("E721: Duplicate key in Dictionary: \"%s\""), key
);
7233 item
= dictitem_alloc(key
);
7238 item
->di_tv
.v_lock
= 0;
7239 if (dict_add(d
, item
) == FAIL
)
7240 dictitem_free(item
);
7248 EMSG2(_("E722: Missing comma in Dictionary: %s"), *arg
);
7251 *arg
= skipwhite(*arg
+ 1);
7256 EMSG2(_("E723: Missing end of Dictionary '}': %s"), *arg
);
7263 *arg
= skipwhite(*arg
+ 1);
7266 rettv
->v_type
= VAR_DICT
;
7267 rettv
->vval
.v_dict
= d
;
7275 * Return a string with the string representation of a variable.
7276 * If the memory is allocated "tofree" is set to it, otherwise NULL.
7277 * "numbuf" is used for a number.
7278 * Does not put quotes around strings, as ":echo" displays values.
7279 * When "copyID" is not NULL replace recursive lists and dicts with "...".
7283 echo_string(tv
, tofree
, numbuf
, copyID
)
7289 static int recurse
= 0;
7292 if (recurse
>= DICT_MAXNEST
)
7294 EMSG(_("E724: variable nested too deep for displaying"));
7304 r
= tv
->vval
.v_string
;
7308 if (tv
->vval
.v_list
== NULL
)
7313 else if (copyID
!= 0 && tv
->vval
.v_list
->lv_copyID
== copyID
)
7316 r
= (char_u
*)"[...]";
7320 tv
->vval
.v_list
->lv_copyID
= copyID
;
7321 *tofree
= list2string(tv
, copyID
);
7327 if (tv
->vval
.v_dict
== NULL
)
7332 else if (copyID
!= 0 && tv
->vval
.v_dict
->dv_copyID
== copyID
)
7335 r
= (char_u
*)"{...}";
7339 tv
->vval
.v_dict
->dv_copyID
= copyID
;
7340 *tofree
= dict2string(tv
, copyID
);
7348 r
= get_tv_string_buf(tv
, numbuf
);
7354 vim_snprintf((char *)numbuf
, NUMBUFLEN
, "%g", tv
->vval
.v_float
);
7360 EMSG2(_(e_intern2
), "echo_string()");
7369 * Return a string with the string representation of a variable.
7370 * If the memory is allocated "tofree" is set to it, otherwise NULL.
7371 * "numbuf" is used for a number.
7372 * Puts quotes around strings, so that they can be parsed back by eval().
7376 tv2string(tv
, tofree
, numbuf
, copyID
)
7385 *tofree
= string_quote(tv
->vval
.v_string
, TRUE
);
7388 *tofree
= string_quote(tv
->vval
.v_string
, FALSE
);
7393 vim_snprintf((char *)numbuf
, NUMBUFLEN
- 1, "%g", tv
->vval
.v_float
);
7401 EMSG2(_(e_intern2
), "tv2string()");
7403 return echo_string(tv
, tofree
, numbuf
, copyID
);
7407 * Return string "str" in ' quotes, doubling ' characters.
7408 * If "str" is NULL an empty string is assumed.
7409 * If "function" is TRUE make it function('string').
7412 string_quote(str
, function
)
7419 len
= (function
? 13 : 3);
7422 len
+= (unsigned)STRLEN(str
);
7423 for (p
= str
; *p
!= NUL
; mb_ptr_adv(p
))
7432 STRCPY(r
, "function('");
7438 for (p
= str
; *p
!= NUL
; )
7454 * Convert the string "text" to a floating point number.
7455 * This uses strtod(). setlocale(LC_NUMERIC, "C") has been used to make sure
7456 * this always uses a decimal point.
7457 * Returns the length of the text that was consumed.
7460 string2float(text
, value
)
7462 float_T
*value
; /* result stored here */
7464 char *s
= (char *)text
;
7469 return (int)((char_u
*)s
- text
);
7474 * Get the value of an environment variable.
7475 * "arg" is pointing to the '$'. It is advanced to after the name.
7476 * If the environment variable was not set, silently assume it is empty.
7480 get_env_tv(arg
, rettv
, evaluate
)
7485 char_u
*string
= NULL
;
7489 int mustfree
= FALSE
;
7493 len
= get_env_len(arg
);
7500 /* first try vim_getenv(), fast for normal environment vars */
7501 string
= vim_getenv(name
, &mustfree
);
7502 if (string
!= NULL
&& *string
!= NUL
)
7505 string
= vim_strsave(string
);
7512 /* next try expanding things like $VIM and ${HOME} */
7513 string
= expand_env_save(name
- 1);
7514 if (string
!= NULL
&& *string
== '$')
7522 rettv
->v_type
= VAR_STRING
;
7523 rettv
->vval
.v_string
= string
;
7530 * Array with names and number of arguments of all internal functions
7531 * MUST BE KEPT SORTED IN strcmp() ORDER FOR BINARY SEARCH!
7535 char *f_name
; /* function name */
7536 char f_min_argc
; /* minimal number of arguments */
7537 char f_max_argc
; /* maximal number of arguments */
7538 void (*f_func
) __ARGS((typval_T
*args
, typval_T
*rvar
));
7539 /* implementation of function */
7543 {"abs", 1, 1, f_abs
},
7545 {"add", 2, 2, f_add
},
7546 {"append", 2, 2, f_append
},
7547 {"argc", 0, 0, f_argc
},
7548 {"argidx", 0, 0, f_argidx
},
7549 {"argv", 0, 1, f_argv
},
7551 {"atan", 1, 1, f_atan
},
7553 {"browse", 4, 4, f_browse
},
7554 {"browsedir", 2, 2, f_browsedir
},
7555 {"bufexists", 1, 1, f_bufexists
},
7556 {"buffer_exists", 1, 1, f_bufexists
}, /* obsolete */
7557 {"buffer_name", 1, 1, f_bufname
}, /* obsolete */
7558 {"buffer_number", 1, 1, f_bufnr
}, /* obsolete */
7559 {"buflisted", 1, 1, f_buflisted
},
7560 {"bufloaded", 1, 1, f_bufloaded
},
7561 {"bufname", 1, 1, f_bufname
},
7562 {"bufnr", 1, 2, f_bufnr
},
7563 {"bufwinnr", 1, 1, f_bufwinnr
},
7564 {"byte2line", 1, 1, f_byte2line
},
7565 {"byteidx", 2, 2, f_byteidx
},
7566 {"call", 2, 3, f_call
},
7568 {"ceil", 1, 1, f_ceil
},
7570 {"changenr", 0, 0, f_changenr
},
7571 {"char2nr", 1, 1, f_char2nr
},
7572 {"cindent", 1, 1, f_cindent
},
7573 {"clearmatches", 0, 0, f_clearmatches
},
7574 {"col", 1, 1, f_col
},
7575 #if defined(FEAT_INS_EXPAND)
7576 {"complete", 2, 2, f_complete
},
7577 {"complete_add", 1, 1, f_complete_add
},
7578 {"complete_check", 0, 0, f_complete_check
},
7580 {"confirm", 1, 4, f_confirm
},
7581 {"copy", 1, 1, f_copy
},
7583 {"cos", 1, 1, f_cos
},
7585 {"count", 2, 4, f_count
},
7586 {"cscope_connection",0,3, f_cscope_connection
},
7587 {"cursor", 1, 3, f_cursor
},
7588 {"deepcopy", 1, 2, f_deepcopy
},
7589 {"delete", 1, 1, f_delete
},
7590 {"did_filetype", 0, 0, f_did_filetype
},
7591 {"diff_filler", 1, 1, f_diff_filler
},
7592 {"diff_hlID", 2, 2, f_diff_hlID
},
7593 {"empty", 1, 1, f_empty
},
7594 {"escape", 2, 2, f_escape
},
7595 {"eval", 1, 1, f_eval
},
7596 {"eventhandler", 0, 0, f_eventhandler
},
7597 {"executable", 1, 1, f_executable
},
7598 {"exists", 1, 1, f_exists
},
7599 {"expand", 1, 2, f_expand
},
7600 {"extend", 2, 3, f_extend
},
7601 {"feedkeys", 1, 2, f_feedkeys
},
7602 {"file_readable", 1, 1, f_filereadable
}, /* obsolete */
7603 {"filereadable", 1, 1, f_filereadable
},
7604 {"filewritable", 1, 1, f_filewritable
},
7605 {"filter", 2, 2, f_filter
},
7606 {"finddir", 1, 3, f_finddir
},
7607 {"findfile", 1, 3, f_findfile
},
7609 {"float2nr", 1, 1, f_float2nr
},
7610 {"floor", 1, 1, f_floor
},
7612 {"fnameescape", 1, 1, f_fnameescape
},
7613 {"fnamemodify", 2, 2, f_fnamemodify
},
7614 {"foldclosed", 1, 1, f_foldclosed
},
7615 {"foldclosedend", 1, 1, f_foldclosedend
},
7616 {"foldlevel", 1, 1, f_foldlevel
},
7617 {"foldtext", 0, 0, f_foldtext
},
7618 {"foldtextresult", 1, 1, f_foldtextresult
},
7619 {"foreground", 0, 0, f_foreground
},
7620 {"function", 1, 1, f_function
},
7621 {"garbagecollect", 0, 1, f_garbagecollect
},
7622 {"get", 2, 3, f_get
},
7623 {"getbufline", 2, 3, f_getbufline
},
7624 {"getbufvar", 2, 2, f_getbufvar
},
7625 {"getchar", 0, 1, f_getchar
},
7626 {"getcharmod", 0, 0, f_getcharmod
},
7627 {"getcmdline", 0, 0, f_getcmdline
},
7628 {"getcmdpos", 0, 0, f_getcmdpos
},
7629 {"getcmdtype", 0, 0, f_getcmdtype
},
7630 {"getcwd", 0, 0, f_getcwd
},
7631 {"getfontname", 0, 1, f_getfontname
},
7632 {"getfperm", 1, 1, f_getfperm
},
7633 {"getfsize", 1, 1, f_getfsize
},
7634 {"getftime", 1, 1, f_getftime
},
7635 {"getftype", 1, 1, f_getftype
},
7636 {"getline", 1, 2, f_getline
},
7637 {"getloclist", 1, 1, f_getqflist
},
7638 {"getmatches", 0, 0, f_getmatches
},
7639 {"getpid", 0, 0, f_getpid
},
7640 {"getpos", 1, 1, f_getpos
},
7641 {"getqflist", 0, 0, f_getqflist
},
7642 {"getreg", 0, 2, f_getreg
},
7643 {"getregtype", 0, 1, f_getregtype
},
7644 {"gettabwinvar", 3, 3, f_gettabwinvar
},
7645 {"getwinposx", 0, 0, f_getwinposx
},
7646 {"getwinposy", 0, 0, f_getwinposy
},
7647 {"getwinvar", 2, 2, f_getwinvar
},
7648 {"glob", 1, 2, f_glob
},
7649 {"globpath", 2, 3, f_globpath
},
7650 {"has", 1, 1, f_has
},
7651 {"has_key", 2, 2, f_has_key
},
7652 {"haslocaldir", 0, 0, f_haslocaldir
},
7653 {"hasmapto", 1, 3, f_hasmapto
},
7654 {"highlightID", 1, 1, f_hlID
}, /* obsolete */
7655 {"highlight_exists",1, 1, f_hlexists
}, /* obsolete */
7656 {"histadd", 2, 2, f_histadd
},
7657 {"histdel", 1, 2, f_histdel
},
7658 {"histget", 1, 2, f_histget
},
7659 {"histnr", 1, 1, f_histnr
},
7660 {"hlID", 1, 1, f_hlID
},
7661 {"hlexists", 1, 1, f_hlexists
},
7662 {"hostname", 0, 0, f_hostname
},
7663 {"iconv", 3, 3, f_iconv
},
7664 {"indent", 1, 1, f_indent
},
7665 {"index", 2, 4, f_index
},
7666 {"input", 1, 3, f_input
},
7667 {"inputdialog", 1, 3, f_inputdialog
},
7668 {"inputlist", 1, 1, f_inputlist
},
7669 {"inputrestore", 0, 0, f_inputrestore
},
7670 {"inputsave", 0, 0, f_inputsave
},
7671 {"inputsecret", 1, 2, f_inputsecret
},
7672 {"insert", 2, 3, f_insert
},
7673 {"isdirectory", 1, 1, f_isdirectory
},
7674 {"islocked", 1, 1, f_islocked
},
7675 {"items", 1, 1, f_items
},
7676 {"join", 1, 2, f_join
},
7677 {"keys", 1, 1, f_keys
},
7678 {"last_buffer_nr", 0, 0, f_last_buffer_nr
},/* obsolete */
7679 {"len", 1, 1, f_len
},
7680 {"libcall", 3, 3, f_libcall
},
7681 {"libcallnr", 3, 3, f_libcallnr
},
7682 {"line", 1, 1, f_line
},
7683 {"line2byte", 1, 1, f_line2byte
},
7684 {"lispindent", 1, 1, f_lispindent
},
7685 {"localtime", 0, 0, f_localtime
},
7687 {"log10", 1, 1, f_log10
},
7689 {"map", 2, 2, f_map
},
7690 {"maparg", 1, 3, f_maparg
},
7691 {"mapcheck", 1, 3, f_mapcheck
},
7692 {"match", 2, 4, f_match
},
7693 {"matchadd", 2, 4, f_matchadd
},
7694 {"matcharg", 1, 1, f_matcharg
},
7695 {"matchdelete", 1, 1, f_matchdelete
},
7696 {"matchend", 2, 4, f_matchend
},
7697 {"matchlist", 2, 4, f_matchlist
},
7698 {"matchstr", 2, 4, f_matchstr
},
7699 {"max", 1, 1, f_max
},
7700 {"min", 1, 1, f_min
},
7702 {"mkdir", 1, 3, f_mkdir
},
7704 {"mode", 0, 1, f_mode
},
7705 #ifdef FEAT_MZSCHEME
7706 {"mzeval", 1, 1, f_mzeval
},
7708 {"nextnonblank", 1, 1, f_nextnonblank
},
7709 {"nr2char", 1, 1, f_nr2char
},
7710 {"pathshorten", 1, 1, f_pathshorten
},
7712 {"pow", 2, 2, f_pow
},
7714 {"prevnonblank", 1, 1, f_prevnonblank
},
7715 {"printf", 2, 19, f_printf
},
7716 {"pumvisible", 0, 0, f_pumvisible
},
7717 {"range", 1, 3, f_range
},
7718 {"readfile", 1, 3, f_readfile
},
7719 {"reltime", 0, 2, f_reltime
},
7720 {"reltimestr", 1, 1, f_reltimestr
},
7721 {"remote_expr", 2, 3, f_remote_expr
},
7722 {"remote_foreground", 1, 1, f_remote_foreground
},
7723 {"remote_peek", 1, 2, f_remote_peek
},
7724 {"remote_read", 1, 1, f_remote_read
},
7725 {"remote_send", 2, 3, f_remote_send
},
7726 {"remove", 2, 3, f_remove
},
7727 {"rename", 2, 2, f_rename
},
7728 {"repeat", 2, 2, f_repeat
},
7729 {"resolve", 1, 1, f_resolve
},
7730 {"reverse", 1, 1, f_reverse
},
7732 {"round", 1, 1, f_round
},
7734 {"search", 1, 4, f_search
},
7735 {"searchdecl", 1, 3, f_searchdecl
},
7736 {"searchpair", 3, 7, f_searchpair
},
7737 {"searchpairpos", 3, 7, f_searchpairpos
},
7738 {"searchpos", 1, 4, f_searchpos
},
7739 {"server2client", 2, 2, f_server2client
},
7740 {"serverlist", 0, 0, f_serverlist
},
7741 {"setbufvar", 3, 3, f_setbufvar
},
7742 {"setcmdpos", 1, 1, f_setcmdpos
},
7743 {"setline", 2, 2, f_setline
},
7744 {"setloclist", 2, 3, f_setloclist
},
7745 {"setmatches", 1, 1, f_setmatches
},
7746 {"setpos", 2, 2, f_setpos
},
7747 {"setqflist", 1, 2, f_setqflist
},
7748 {"setreg", 2, 3, f_setreg
},
7749 {"settabwinvar", 4, 4, f_settabwinvar
},
7750 {"setwinvar", 3, 3, f_setwinvar
},
7751 {"shellescape", 1, 2, f_shellescape
},
7752 {"simplify", 1, 1, f_simplify
},
7754 {"sin", 1, 1, f_sin
},
7756 {"sort", 1, 2, f_sort
},
7757 {"soundfold", 1, 1, f_soundfold
},
7758 {"spellbadword", 0, 1, f_spellbadword
},
7759 {"spellsuggest", 1, 3, f_spellsuggest
},
7760 {"split", 1, 3, f_split
},
7762 {"sqrt", 1, 1, f_sqrt
},
7763 {"str2float", 1, 1, f_str2float
},
7765 {"str2nr", 1, 2, f_str2nr
},
7766 #ifdef HAVE_STRFTIME
7767 {"strftime", 1, 2, f_strftime
},
7769 {"stridx", 2, 3, f_stridx
},
7770 {"string", 1, 1, f_string
},
7771 {"strlen", 1, 1, f_strlen
},
7772 {"strpart", 2, 3, f_strpart
},
7773 {"strridx", 2, 3, f_strridx
},
7774 {"strtrans", 1, 1, f_strtrans
},
7775 {"submatch", 1, 1, f_submatch
},
7776 {"substitute", 4, 4, f_substitute
},
7777 {"synID", 3, 3, f_synID
},
7778 {"synIDattr", 2, 3, f_synIDattr
},
7779 {"synIDtrans", 1, 1, f_synIDtrans
},
7780 {"synstack", 2, 2, f_synstack
},
7781 {"system", 1, 2, f_system
},
7782 {"tabpagebuflist", 0, 1, f_tabpagebuflist
},
7783 {"tabpagenr", 0, 1, f_tabpagenr
},
7784 {"tabpagewinnr", 1, 2, f_tabpagewinnr
},
7785 {"tagfiles", 0, 0, f_tagfiles
},
7786 {"taglist", 1, 1, f_taglist
},
7787 {"tempname", 0, 0, f_tempname
},
7788 {"test", 1, 1, f_test
},
7789 {"tolower", 1, 1, f_tolower
},
7790 {"toupper", 1, 1, f_toupper
},
7793 {"trunc", 1, 1, f_trunc
},
7795 {"type", 1, 1, f_type
},
7796 {"values", 1, 1, f_values
},
7797 {"virtcol", 1, 1, f_virtcol
},
7798 {"visualmode", 0, 1, f_visualmode
},
7799 {"winbufnr", 1, 1, f_winbufnr
},
7800 {"wincol", 0, 0, f_wincol
},
7801 {"winheight", 1, 1, f_winheight
},
7802 {"winline", 0, 0, f_winline
},
7803 {"winnr", 0, 1, f_winnr
},
7804 {"winrestcmd", 0, 0, f_winrestcmd
},
7805 {"winrestview", 1, 1, f_winrestview
},
7806 {"winsaveview", 0, 0, f_winsaveview
},
7807 {"winwidth", 1, 1, f_winwidth
},
7808 {"writefile", 2, 3, f_writefile
},
7811 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
7814 * Function given to ExpandGeneric() to obtain the list of internal
7815 * or user defined function names.
7818 get_function_name(xp
, idx
)
7822 static int intidx
= -1;
7829 name
= get_user_func_name(xp
, idx
);
7833 if (++intidx
< (int)(sizeof(functions
) / sizeof(struct fst
)))
7835 STRCPY(IObuff
, functions
[intidx
].f_name
);
7836 STRCAT(IObuff
, "(");
7837 if (functions
[intidx
].f_max_argc
== 0)
7838 STRCAT(IObuff
, ")");
7846 * Function given to ExpandGeneric() to obtain the list of internal or
7847 * user defined variable or function names.
7850 get_expr_name(xp
, idx
)
7854 static int intidx
= -1;
7861 name
= get_function_name(xp
, idx
);
7865 return get_user_var_name(xp
, ++intidx
);
7868 #endif /* FEAT_CMDL_COMPL */
7871 * Find internal function in table above.
7872 * Return index, or -1 if not found
7875 find_internal_func(name
)
7876 char_u
*name
; /* name of the function */
7879 int last
= (int)(sizeof(functions
) / sizeof(struct fst
)) - 1;
7884 * Find the function name in the table. Binary search.
7886 while (first
<= last
)
7888 x
= first
+ ((unsigned)(last
- first
) >> 1);
7889 cmp
= STRCMP(name
, functions
[x
].f_name
);
7901 * Check if "name" is a variable of type VAR_FUNC. If so, return the function
7902 * name it contains, otherwise return "name".
7905 deref_func_name(name
, lenp
)
7914 v
= find_var(name
, NULL
);
7916 if (v
!= NULL
&& v
->di_tv
.v_type
== VAR_FUNC
)
7918 if (v
->di_tv
.vval
.v_string
== NULL
)
7921 return (char_u
*)""; /* just in case */
7923 *lenp
= (int)STRLEN(v
->di_tv
.vval
.v_string
);
7924 return v
->di_tv
.vval
.v_string
;
7931 * Allocate a variable for the result of a function.
7932 * Return OK or FAIL.
7935 get_func_tv(name
, len
, rettv
, arg
, firstline
, lastline
, doesrange
,
7937 char_u
*name
; /* name of the function */
7938 int len
; /* length of "name" */
7940 char_u
**arg
; /* argument, pointing to the '(' */
7941 linenr_T firstline
; /* first line of range */
7942 linenr_T lastline
; /* last line of range */
7943 int *doesrange
; /* return: function handled range */
7945 dict_T
*selfdict
; /* Dictionary for "self" */
7949 typval_T argvars
[MAX_FUNC_ARGS
+ 1]; /* vars for arguments */
7950 int argcount
= 0; /* number of arguments found */
7953 * Get the arguments.
7956 while (argcount
< MAX_FUNC_ARGS
)
7958 argp
= skipwhite(argp
+ 1); /* skip the '(' or ',' */
7959 if (*argp
== ')' || *argp
== ',' || *argp
== NUL
)
7961 if (eval1(&argp
, &argvars
[argcount
], evaluate
) == FAIL
)
7976 ret
= call_func(name
, len
, rettv
, argcount
, argvars
,
7977 firstline
, lastline
, doesrange
, evaluate
, selfdict
);
7978 else if (!aborting())
7980 if (argcount
== MAX_FUNC_ARGS
)
7981 emsg_funcname(N_("E740: Too many arguments for function %s"), name
);
7983 emsg_funcname(N_("E116: Invalid arguments for function %s"), name
);
7986 while (--argcount
>= 0)
7987 clear_tv(&argvars
[argcount
]);
7989 *arg
= skipwhite(argp
);
7995 * Call a function with its resolved parameters
7996 * Return OK when the function can't be called, FAIL otherwise.
7997 * Also returns OK when an error was encountered while executing the function.
8000 call_func(func_name
, len
, rettv
, argcount
, argvars
, firstline
, lastline
,
8001 doesrange
, evaluate
, selfdict
)
8002 char_u
*func_name
; /* name of the function */
8003 int len
; /* length of "name" */
8004 typval_T
*rettv
; /* return value goes here */
8005 int argcount
; /* number of "argvars" */
8006 typval_T
*argvars
; /* vars for arguments, must have "argcount"
8007 PLUS ONE elements! */
8008 linenr_T firstline
; /* first line of range */
8009 linenr_T lastline
; /* last line of range */
8010 int *doesrange
; /* return: function handled range */
8012 dict_T
*selfdict
; /* Dictionary for "self" */
8015 #define ERROR_UNKNOWN 0
8016 #define ERROR_TOOMANY 1
8017 #define ERROR_TOOFEW 2
8018 #define ERROR_SCRIPT 3
8019 #define ERROR_DICT 4
8020 #define ERROR_NONE 5
8021 #define ERROR_OTHER 6
8022 int error
= ERROR_NONE
;
8026 #define FLEN_FIXED 40
8027 char_u fname_buf
[FLEN_FIXED
+ 1];
8031 /* Make a copy of the name, if it comes from a funcref variable it could
8032 * be changed or deleted in the called function. */
8033 name
= vim_strnsave(func_name
, len
);
8038 * In a script change <SID>name() and s:name() to K_SNR 123_name().
8039 * Change <SNR>123_name() to K_SNR 123_name().
8040 * Use fname_buf[] when it fits, otherwise allocate memory (slow).
8042 llen
= eval_fname_script(name
);
8045 fname_buf
[0] = K_SPECIAL
;
8046 fname_buf
[1] = KS_EXTRA
;
8047 fname_buf
[2] = (int)KE_SNR
;
8049 if (eval_fname_sid(name
)) /* "<SID>" or "s:" */
8051 if (current_SID
<= 0)
8052 error
= ERROR_SCRIPT
;
8055 sprintf((char *)fname_buf
+ 3, "%ld_", (long)current_SID
);
8056 i
= (int)STRLEN(fname_buf
);
8059 if (i
+ STRLEN(name
+ llen
) < FLEN_FIXED
)
8061 STRCPY(fname_buf
+ i
, name
+ llen
);
8066 fname
= alloc((unsigned)(i
+ STRLEN(name
+ llen
) + 1));
8068 error
= ERROR_OTHER
;
8071 mch_memmove(fname
, fname_buf
, (size_t)i
);
8072 STRCPY(fname
+ i
, name
+ llen
);
8082 /* execute the function if no errors detected and executing */
8083 if (evaluate
&& error
== ERROR_NONE
)
8085 rettv
->v_type
= VAR_NUMBER
; /* default rettv is number zero */
8086 rettv
->vval
.v_number
= 0;
8087 error
= ERROR_UNKNOWN
;
8089 if (!builtin_function(fname
))
8092 * User defined function.
8094 fp
= find_func(fname
);
8097 /* Trigger FuncUndefined event, may load the function. */
8099 && apply_autocmds(EVENT_FUNCUNDEFINED
,
8100 fname
, fname
, TRUE
, NULL
)
8103 /* executed an autocommand, search for the function again */
8104 fp
= find_func(fname
);
8107 /* Try loading a package. */
8108 if (fp
== NULL
&& script_autoload(fname
, TRUE
) && !aborting())
8110 /* loaded a package, search for the function again */
8111 fp
= find_func(fname
);
8116 if (fp
->uf_flags
& FC_RANGE
)
8118 if (argcount
< fp
->uf_args
.ga_len
)
8119 error
= ERROR_TOOFEW
;
8120 else if (!fp
->uf_varargs
&& argcount
> fp
->uf_args
.ga_len
)
8121 error
= ERROR_TOOMANY
;
8122 else if ((fp
->uf_flags
& FC_DICT
) && selfdict
== NULL
)
8127 * Call the user function.
8128 * Save and restore search patterns, script variables and
8131 save_search_patterns();
8134 call_user_func(fp
, argcount
, argvars
, rettv
,
8135 firstline
, lastline
,
8136 (fp
->uf_flags
& FC_DICT
) ? selfdict
: NULL
);
8137 if (--fp
->uf_calls
<= 0 && isdigit(*fp
->uf_name
)
8138 && fp
->uf_refcount
<= 0)
8139 /* Function was unreferenced while being used, free it
8143 restore_search_patterns();
8151 * Find the function name in the table, call its implementation.
8153 i
= find_internal_func(fname
);
8156 if (argcount
< functions
[i
].f_min_argc
)
8157 error
= ERROR_TOOFEW
;
8158 else if (argcount
> functions
[i
].f_max_argc
)
8159 error
= ERROR_TOOMANY
;
8162 argvars
[argcount
].v_type
= VAR_UNKNOWN
;
8163 functions
[i
].f_func(argvars
, rettv
);
8169 * The function call (or "FuncUndefined" autocommand sequence) might
8170 * have been aborted by an error, an interrupt, or an explicitly thrown
8171 * exception that has not been caught so far. This situation can be
8172 * tested for by calling aborting(). For an error in an internal
8173 * function or for the "E132" error in call_user_func(), however, the
8174 * throw point at which the "force_abort" flag (temporarily reset by
8175 * emsg()) is normally updated has not been reached yet. We need to
8176 * update that flag first to make aborting() reliable.
8178 update_force_abort();
8180 if (error
== ERROR_NONE
)
8184 * Report an error unless the argument evaluation or function call has been
8185 * cancelled due to an aborting error, an interrupt, or an exception.
8192 emsg_funcname(N_("E117: Unknown function: %s"), name
);
8195 emsg_funcname(e_toomanyarg
, name
);
8198 emsg_funcname(N_("E119: Not enough arguments for function: %s"),
8202 emsg_funcname(N_("E120: Using <SID> not in a script context: %s"),
8206 emsg_funcname(N_("E725: Calling dict function without Dictionary: %s"),
8212 if (fname
!= name
&& fname
!= fname_buf
)
8220 * Give an error message with a function name. Handle <SNR> things.
8221 * "ermsg" is to be passed without translation, use N_() instead of _().
8224 emsg_funcname(ermsg
, name
)
8230 if (*name
== K_SPECIAL
)
8231 p
= concat_str((char_u
*)"<SNR>", name
+ 3);
8240 * Return TRUE for a non-zero Number and a non-empty String.
8243 non_zero_arg(argvars
)
8246 return ((argvars
[0].v_type
== VAR_NUMBER
8247 && argvars
[0].vval
.v_number
!= 0)
8248 || (argvars
[0].v_type
== VAR_STRING
8249 && argvars
[0].vval
.v_string
!= NULL
8250 && *argvars
[0].vval
.v_string
!= NUL
));
8253 /*********************************************
8254 * Implementation of the built-in functions
8259 * "abs(expr)" function
8262 f_abs(argvars
, rettv
)
8266 if (argvars
[0].v_type
== VAR_FLOAT
)
8268 rettv
->v_type
= VAR_FLOAT
;
8269 rettv
->vval
.v_float
= fabs(argvars
[0].vval
.v_float
);
8276 n
= get_tv_number_chk(&argvars
[0], &error
);
8278 rettv
->vval
.v_number
= -1;
8280 rettv
->vval
.v_number
= n
;
8282 rettv
->vval
.v_number
= -n
;
8288 * "add(list, item)" function
8291 f_add(argvars
, rettv
)
8297 rettv
->vval
.v_number
= 1; /* Default: Failed */
8298 if (argvars
[0].v_type
== VAR_LIST
)
8300 if ((l
= argvars
[0].vval
.v_list
) != NULL
8301 && !tv_check_lock(l
->lv_lock
, (char_u
*)"add()")
8302 && list_append_tv(l
, &argvars
[1]) == OK
)
8303 copy_tv(&argvars
[0], rettv
);
8310 * "append(lnum, string/list)" function
8313 f_append(argvars
, rettv
)
8320 listitem_T
*li
= NULL
;
8324 lnum
= get_tv_lnum(argvars
);
8326 && lnum
<= curbuf
->b_ml
.ml_line_count
8327 && u_save(lnum
, lnum
+ 1) == OK
)
8329 if (argvars
[1].v_type
== VAR_LIST
)
8331 l
= argvars
[1].vval
.v_list
;
8339 tv
= &argvars
[1]; /* append a string */
8340 else if (li
== NULL
)
8341 break; /* end of list */
8343 tv
= &li
->li_tv
; /* append item from list */
8344 line
= get_tv_string_chk(tv
);
8345 if (line
== NULL
) /* type error */
8347 rettv
->vval
.v_number
= 1; /* Failed */
8350 ml_append(lnum
+ added
, line
, (colnr_T
)0, FALSE
);
8357 appended_lines_mark(lnum
, added
);
8358 if (curwin
->w_cursor
.lnum
> lnum
)
8359 curwin
->w_cursor
.lnum
+= added
;
8362 rettv
->vval
.v_number
= 1; /* Failed */
8369 f_argc(argvars
, rettv
)
8370 typval_T
*argvars UNUSED
;
8373 rettv
->vval
.v_number
= ARGCOUNT
;
8377 * "argidx()" function
8380 f_argidx(argvars
, rettv
)
8381 typval_T
*argvars UNUSED
;
8384 rettv
->vval
.v_number
= curwin
->w_arg_idx
;
8388 * "argv(nr)" function
8391 f_argv(argvars
, rettv
)
8397 if (argvars
[0].v_type
!= VAR_UNKNOWN
)
8399 idx
= get_tv_number_chk(&argvars
[0], NULL
);
8400 if (idx
>= 0 && idx
< ARGCOUNT
)
8401 rettv
->vval
.v_string
= vim_strsave(alist_name(&ARGLIST
[idx
]));
8403 rettv
->vval
.v_string
= NULL
;
8404 rettv
->v_type
= VAR_STRING
;
8406 else if (rettv_list_alloc(rettv
) == OK
)
8407 for (idx
= 0; idx
< ARGCOUNT
; ++idx
)
8408 list_append_string(rettv
->vval
.v_list
,
8409 alist_name(&ARGLIST
[idx
]), -1);
8413 static int get_float_arg
__ARGS((typval_T
*argvars
, float_T
*f
));
8416 * Get the float value of "argvars[0]" into "f".
8417 * Returns FAIL when the argument is not a Number or Float.
8420 get_float_arg(argvars
, f
)
8424 if (argvars
[0].v_type
== VAR_FLOAT
)
8426 *f
= argvars
[0].vval
.v_float
;
8429 if (argvars
[0].v_type
== VAR_NUMBER
)
8431 *f
= (float_T
)argvars
[0].vval
.v_number
;
8434 EMSG(_("E808: Number or Float required"));
8442 f_atan(argvars
, rettv
)
8448 rettv
->v_type
= VAR_FLOAT
;
8449 if (get_float_arg(argvars
, &f
) == OK
)
8450 rettv
->vval
.v_float
= atan(f
);
8452 rettv
->vval
.v_float
= 0.0;
8457 * "browse(save, title, initdir, default)" function
8460 f_browse(argvars
, rettv
)
8461 typval_T
*argvars UNUSED
;
8469 char_u buf
[NUMBUFLEN
];
8470 char_u buf2
[NUMBUFLEN
];
8473 save
= get_tv_number_chk(&argvars
[0], &error
);
8474 title
= get_tv_string_chk(&argvars
[1]);
8475 initdir
= get_tv_string_buf_chk(&argvars
[2], buf
);
8476 defname
= get_tv_string_buf_chk(&argvars
[3], buf2
);
8478 if (error
|| title
== NULL
|| initdir
== NULL
|| defname
== NULL
)
8479 rettv
->vval
.v_string
= NULL
;
8481 rettv
->vval
.v_string
=
8482 do_browse(save
? BROWSE_SAVE
: 0,
8483 title
, defname
, NULL
, initdir
, NULL
, curbuf
);
8485 rettv
->vval
.v_string
= NULL
;
8487 rettv
->v_type
= VAR_STRING
;
8491 * "browsedir(title, initdir)" function
8494 f_browsedir(argvars
, rettv
)
8495 typval_T
*argvars UNUSED
;
8501 char_u buf
[NUMBUFLEN
];
8503 title
= get_tv_string_chk(&argvars
[0]);
8504 initdir
= get_tv_string_buf_chk(&argvars
[1], buf
);
8506 if (title
== NULL
|| initdir
== NULL
)
8507 rettv
->vval
.v_string
= NULL
;
8509 rettv
->vval
.v_string
= do_browse(BROWSE_DIR
,
8510 title
, NULL
, NULL
, initdir
, NULL
, curbuf
);
8512 rettv
->vval
.v_string
= NULL
;
8514 rettv
->v_type
= VAR_STRING
;
8517 static buf_T
*find_buffer
__ARGS((typval_T
*avar
));
8520 * Find a buffer by number or exact name.
8528 if (avar
->v_type
== VAR_NUMBER
)
8529 buf
= buflist_findnr((int)avar
->vval
.v_number
);
8530 else if (avar
->v_type
== VAR_STRING
&& avar
->vval
.v_string
!= NULL
)
8532 buf
= buflist_findname_exp(avar
->vval
.v_string
);
8535 /* No full path name match, try a match with a URL or a "nofile"
8536 * buffer, these don't use the full path. */
8537 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
8538 if (buf
->b_fname
!= NULL
8539 && (path_with_url(buf
->b_fname
)
8540 #ifdef FEAT_QUICKFIX
8544 && STRCMP(buf
->b_fname
, avar
->vval
.v_string
) == 0)
8552 * "bufexists(expr)" function
8555 f_bufexists(argvars
, rettv
)
8559 rettv
->vval
.v_number
= (find_buffer(&argvars
[0]) != NULL
);
8563 * "buflisted(expr)" function
8566 f_buflisted(argvars
, rettv
)
8572 buf
= find_buffer(&argvars
[0]);
8573 rettv
->vval
.v_number
= (buf
!= NULL
&& buf
->b_p_bl
);
8577 * "bufloaded(expr)" function
8580 f_bufloaded(argvars
, rettv
)
8586 buf
= find_buffer(&argvars
[0]);
8587 rettv
->vval
.v_number
= (buf
!= NULL
&& buf
->b_ml
.ml_mfp
!= NULL
);
8590 static buf_T
*get_buf_tv
__ARGS((typval_T
*tv
));
8593 * Get buffer by number or pattern.
8599 char_u
*name
= tv
->vval
.v_string
;
8604 if (tv
->v_type
== VAR_NUMBER
)
8605 return buflist_findnr((int)tv
->vval
.v_number
);
8606 if (tv
->v_type
!= VAR_STRING
)
8608 if (name
== NULL
|| *name
== NUL
)
8610 if (name
[0] == '$' && name
[1] == NUL
)
8613 /* Ignore 'magic' and 'cpoptions' here to make scripts portable */
8614 save_magic
= p_magic
;
8617 p_cpo
= (char_u
*)"";
8619 buf
= buflist_findnr(buflist_findpat(name
, name
+ STRLEN(name
),
8622 p_magic
= save_magic
;
8625 /* If not found, try expanding the name, like done for bufexists(). */
8627 buf
= find_buffer(tv
);
8633 * "bufname(expr)" function
8636 f_bufname(argvars
, rettv
)
8642 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
8644 buf
= get_buf_tv(&argvars
[0]);
8645 rettv
->v_type
= VAR_STRING
;
8646 if (buf
!= NULL
&& buf
->b_fname
!= NULL
)
8647 rettv
->vval
.v_string
= vim_strsave(buf
->b_fname
);
8649 rettv
->vval
.v_string
= NULL
;
8654 * "bufnr(expr)" function
8657 f_bufnr(argvars
, rettv
)
8665 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
8667 buf
= get_buf_tv(&argvars
[0]);
8670 /* If the buffer isn't found and the second argument is not zero create a
8673 && argvars
[1].v_type
!= VAR_UNKNOWN
8674 && get_tv_number_chk(&argvars
[1], &error
) != 0
8676 && (name
= get_tv_string_chk(&argvars
[0])) != NULL
8678 buf
= buflist_new(name
, NULL
, (linenr_T
)1, 0);
8681 rettv
->vval
.v_number
= buf
->b_fnum
;
8683 rettv
->vval
.v_number
= -1;
8687 * "bufwinnr(nr)" function
8690 f_bufwinnr(argvars
, rettv
)
8700 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
8702 buf
= get_buf_tv(&argvars
[0]);
8704 for (wp
= firstwin
; wp
; wp
= wp
->w_next
)
8707 if (wp
->w_buffer
== buf
)
8710 rettv
->vval
.v_number
= (wp
!= NULL
? winnr
: -1);
8712 rettv
->vval
.v_number
= (curwin
->w_buffer
== buf
? 1 : -1);
8718 * "byte2line(byte)" function
8721 f_byte2line(argvars
, rettv
)
8722 typval_T
*argvars UNUSED
;
8725 #ifndef FEAT_BYTEOFF
8726 rettv
->vval
.v_number
= -1;
8730 boff
= get_tv_number(&argvars
[0]) - 1; /* boff gets -1 on type error */
8732 rettv
->vval
.v_number
= -1;
8734 rettv
->vval
.v_number
= ml_find_line_or_offset(curbuf
,
8735 (linenr_T
)0, &boff
);
8740 * "byteidx()" function
8743 f_byteidx(argvars
, rettv
)
8753 str
= get_tv_string_chk(&argvars
[0]);
8754 idx
= get_tv_number_chk(&argvars
[1], NULL
);
8755 rettv
->vval
.v_number
= -1;
8756 if (str
== NULL
|| idx
< 0)
8761 for ( ; idx
> 0; idx
--)
8763 if (*t
== NUL
) /* EOL reached */
8765 t
+= (*mb_ptr2len
)(t
);
8767 rettv
->vval
.v_number
= (varnumber_T
)(t
- str
);
8769 if ((size_t)idx
<= STRLEN(str
))
8770 rettv
->vval
.v_number
= idx
;
8775 * "call(func, arglist)" function
8778 f_call(argvars
, rettv
)
8783 typval_T argv
[MAX_FUNC_ARGS
+ 1];
8787 dict_T
*selfdict
= NULL
;
8789 if (argvars
[1].v_type
!= VAR_LIST
)
8794 if (argvars
[1].vval
.v_list
== NULL
)
8797 if (argvars
[0].v_type
== VAR_FUNC
)
8798 func
= argvars
[0].vval
.v_string
;
8800 func
= get_tv_string(&argvars
[0]);
8802 return; /* type error or empty name */
8804 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
8806 if (argvars
[2].v_type
!= VAR_DICT
)
8811 selfdict
= argvars
[2].vval
.v_dict
;
8814 for (item
= argvars
[1].vval
.v_list
->lv_first
; item
!= NULL
;
8815 item
= item
->li_next
)
8817 if (argc
== MAX_FUNC_ARGS
)
8819 EMSG(_("E699: Too many arguments"));
8822 /* Make a copy of each argument. This is needed to be able to set
8823 * v_lock to VAR_FIXED in the copy without changing the original list.
8825 copy_tv(&item
->li_tv
, &argv
[argc
++]);
8829 (void)call_func(func
, (int)STRLEN(func
), rettv
, argc
, argv
,
8830 curwin
->w_cursor
.lnum
, curwin
->w_cursor
.lnum
,
8831 &dummy
, TRUE
, selfdict
);
8833 /* Free the arguments. */
8835 clear_tv(&argv
[--argc
]);
8840 * "ceil({float})" function
8843 f_ceil(argvars
, rettv
)
8849 rettv
->v_type
= VAR_FLOAT
;
8850 if (get_float_arg(argvars
, &f
) == OK
)
8851 rettv
->vval
.v_float
= ceil(f
);
8853 rettv
->vval
.v_float
= 0.0;
8858 * "changenr()" function
8861 f_changenr(argvars
, rettv
)
8862 typval_T
*argvars UNUSED
;
8865 rettv
->vval
.v_number
= curbuf
->b_u_seq_cur
;
8869 * "char2nr(string)" function
8872 f_char2nr(argvars
, rettv
)
8878 rettv
->vval
.v_number
= (*mb_ptr2char
)(get_tv_string(&argvars
[0]));
8881 rettv
->vval
.v_number
= get_tv_string(&argvars
[0])[0];
8885 * "cindent(lnum)" function
8888 f_cindent(argvars
, rettv
)
8896 pos
= curwin
->w_cursor
;
8897 lnum
= get_tv_lnum(argvars
);
8898 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
)
8900 curwin
->w_cursor
.lnum
= lnum
;
8901 rettv
->vval
.v_number
= get_c_indent();
8902 curwin
->w_cursor
= pos
;
8906 rettv
->vval
.v_number
= -1;
8910 * "clearmatches()" function
8913 f_clearmatches(argvars
, rettv
)
8914 typval_T
*argvars UNUSED
;
8915 typval_T
*rettv UNUSED
;
8917 #ifdef FEAT_SEARCH_EXTRA
8918 clear_matches(curwin
);
8923 * "col(string)" function
8926 f_col(argvars
, rettv
)
8932 int fnum
= curbuf
->b_fnum
;
8934 fp
= var2fpos(&argvars
[0], FALSE
, &fnum
);
8935 if (fp
!= NULL
&& fnum
== curbuf
->b_fnum
)
8937 if (fp
->col
== MAXCOL
)
8939 /* '> can be MAXCOL, get the length of the line then */
8940 if (fp
->lnum
<= curbuf
->b_ml
.ml_line_count
)
8941 col
= (colnr_T
)STRLEN(ml_get(fp
->lnum
)) + 1;
8948 #ifdef FEAT_VIRTUALEDIT
8949 /* col(".") when the cursor is on the NUL at the end of the line
8950 * because of "coladd" can be seen as an extra column. */
8951 if (virtual_active() && fp
== &curwin
->w_cursor
)
8953 char_u
*p
= ml_get_cursor();
8955 if (curwin
->w_cursor
.coladd
>= (colnr_T
)chartabsize(p
,
8956 curwin
->w_virtcol
- curwin
->w_cursor
.coladd
))
8961 if (*p
!= NUL
&& p
[(l
= (*mb_ptr2len
)(p
))] == NUL
)
8964 if (*p
!= NUL
&& p
[1] == NUL
)
8972 rettv
->vval
.v_number
= col
;
8975 #if defined(FEAT_INS_EXPAND)
8977 * "complete()" function
8980 f_complete(argvars
, rettv
)
8982 typval_T
*rettv UNUSED
;
8986 if ((State
& INSERT
) == 0)
8988 EMSG(_("E785: complete() can only be used in Insert mode"));
8992 /* Check for undo allowed here, because if something was already inserted
8993 * the line was already saved for undo and this check isn't done. */
8994 if (!undo_allowed())
8997 if (argvars
[1].v_type
!= VAR_LIST
|| argvars
[1].vval
.v_list
== NULL
)
9003 startcol
= get_tv_number_chk(&argvars
[0], NULL
);
9007 set_completion(startcol
- 1, argvars
[1].vval
.v_list
);
9011 * "complete_add()" function
9014 f_complete_add(argvars
, rettv
)
9018 rettv
->vval
.v_number
= ins_compl_add_tv(&argvars
[0], 0);
9022 * "complete_check()" function
9025 f_complete_check(argvars
, rettv
)
9026 typval_T
*argvars UNUSED
;
9029 int saved
= RedrawingDisabled
;
9031 RedrawingDisabled
= 0;
9032 ins_compl_check_keys(0);
9033 rettv
->vval
.v_number
= compl_interrupted
;
9034 RedrawingDisabled
= saved
;
9039 * "confirm(message, buttons[, default [, type]])" function
9042 f_confirm(argvars
, rettv
)
9043 typval_T
*argvars UNUSED
;
9044 typval_T
*rettv UNUSED
;
9046 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
9048 char_u
*buttons
= NULL
;
9049 char_u buf
[NUMBUFLEN
];
9050 char_u buf2
[NUMBUFLEN
];
9052 int type
= VIM_GENERIC
;
9056 message
= get_tv_string_chk(&argvars
[0]);
9057 if (message
== NULL
)
9059 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
9061 buttons
= get_tv_string_buf_chk(&argvars
[1], buf
);
9062 if (buttons
== NULL
)
9064 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9066 def
= get_tv_number_chk(&argvars
[2], &error
);
9067 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
9069 typestr
= get_tv_string_buf_chk(&argvars
[3], buf2
);
9070 if (typestr
== NULL
)
9074 switch (TOUPPER_ASC(*typestr
))
9076 case 'E': type
= VIM_ERROR
; break;
9077 case 'Q': type
= VIM_QUESTION
; break;
9078 case 'I': type
= VIM_INFO
; break;
9079 case 'W': type
= VIM_WARNING
; break;
9080 case 'G': type
= VIM_GENERIC
; break;
9087 if (buttons
== NULL
|| *buttons
== NUL
)
9088 buttons
= (char_u
*)_("&Ok");
9091 rettv
->vval
.v_number
= do_dialog(type
, NULL
, message
, buttons
,
9100 f_copy(argvars
, rettv
)
9104 item_copy(&argvars
[0], rettv
, FALSE
, 0);
9112 f_cos(argvars
, rettv
)
9118 rettv
->v_type
= VAR_FLOAT
;
9119 if (get_float_arg(argvars
, &f
) == OK
)
9120 rettv
->vval
.v_float
= cos(f
);
9122 rettv
->vval
.v_float
= 0.0;
9127 * "count()" function
9130 f_count(argvars
, rettv
)
9137 if (argvars
[0].v_type
== VAR_LIST
)
9143 if ((l
= argvars
[0].vval
.v_list
) != NULL
)
9146 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9150 ic
= get_tv_number_chk(&argvars
[2], &error
);
9151 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
9153 idx
= get_tv_number_chk(&argvars
[3], &error
);
9156 li
= list_find(l
, idx
);
9158 EMSGN(_(e_listidx
), idx
);
9165 for ( ; li
!= NULL
; li
= li
->li_next
)
9166 if (tv_equal(&li
->li_tv
, &argvars
[1], ic
))
9170 else if (argvars
[0].v_type
== VAR_DICT
)
9176 if ((d
= argvars
[0].vval
.v_dict
) != NULL
)
9180 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9182 ic
= get_tv_number_chk(&argvars
[2], &error
);
9183 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
9187 todo
= error
? 0 : (int)d
->dv_hashtab
.ht_used
;
9188 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
9190 if (!HASHITEM_EMPTY(hi
))
9193 if (tv_equal(&HI2DI(hi
)->di_tv
, &argvars
[1], ic
))
9200 EMSG2(_(e_listdictarg
), "count()");
9201 rettv
->vval
.v_number
= n
;
9205 * "cscope_connection([{num} , {dbpath} [, {prepend}]])" function
9207 * Checks the existence of a cscope connection.
9210 f_cscope_connection(argvars
, rettv
)
9211 typval_T
*argvars UNUSED
;
9212 typval_T
*rettv UNUSED
;
9216 char_u
*dbpath
= NULL
;
9217 char_u
*prepend
= NULL
;
9218 char_u buf
[NUMBUFLEN
];
9220 if (argvars
[0].v_type
!= VAR_UNKNOWN
9221 && argvars
[1].v_type
!= VAR_UNKNOWN
)
9223 num
= (int)get_tv_number(&argvars
[0]);
9224 dbpath
= get_tv_string(&argvars
[1]);
9225 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9226 prepend
= get_tv_string_buf(&argvars
[2], buf
);
9229 rettv
->vval
.v_number
= cs_connection(num
, dbpath
, prepend
);
9234 * "cursor(lnum, col)" function
9236 * Moves the cursor to the specified line and column.
9237 * Returns 0 when the position could be set, -1 otherwise.
9240 f_cursor(argvars
, rettv
)
9245 #ifdef FEAT_VIRTUALEDIT
9249 rettv
->vval
.v_number
= -1;
9250 if (argvars
[1].v_type
== VAR_UNKNOWN
)
9254 if (list2fpos(argvars
, &pos
, NULL
) == FAIL
)
9258 #ifdef FEAT_VIRTUALEDIT
9259 coladd
= pos
.coladd
;
9264 line
= get_tv_lnum(argvars
);
9265 col
= get_tv_number_chk(&argvars
[1], NULL
);
9266 #ifdef FEAT_VIRTUALEDIT
9267 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9268 coladd
= get_tv_number_chk(&argvars
[2], NULL
);
9271 if (line
< 0 || col
< 0
9272 #ifdef FEAT_VIRTUALEDIT
9276 return; /* type error; errmsg already given */
9278 curwin
->w_cursor
.lnum
= line
;
9280 curwin
->w_cursor
.col
= col
- 1;
9281 #ifdef FEAT_VIRTUALEDIT
9282 curwin
->w_cursor
.coladd
= coladd
;
9285 /* Make sure the cursor is in a valid position. */
9288 /* Correct cursor for multi-byte character. */
9293 curwin
->w_set_curswant
= TRUE
;
9294 rettv
->vval
.v_number
= 0;
9298 * "deepcopy()" function
9301 f_deepcopy(argvars
, rettv
)
9307 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
9308 noref
= get_tv_number_chk(&argvars
[1], NULL
);
9309 if (noref
< 0 || noref
> 1)
9313 current_copyID
+= COPYID_INC
;
9314 item_copy(&argvars
[0], rettv
, TRUE
, noref
== 0 ? current_copyID
: 0);
9319 * "delete()" function
9322 f_delete(argvars
, rettv
)
9326 if (check_restricted() || check_secure())
9327 rettv
->vval
.v_number
= -1;
9329 rettv
->vval
.v_number
= mch_remove(get_tv_string(&argvars
[0]));
9333 * "did_filetype()" function
9336 f_did_filetype(argvars
, rettv
)
9337 typval_T
*argvars UNUSED
;
9338 typval_T
*rettv UNUSED
;
9341 rettv
->vval
.v_number
= did_filetype
;
9346 * "diff_filler()" function
9349 f_diff_filler(argvars
, rettv
)
9350 typval_T
*argvars UNUSED
;
9351 typval_T
*rettv UNUSED
;
9354 rettv
->vval
.v_number
= diff_check_fill(curwin
, get_tv_lnum(argvars
));
9359 * "diff_hlID()" function
9362 f_diff_hlID(argvars
, rettv
)
9363 typval_T
*argvars UNUSED
;
9364 typval_T
*rettv UNUSED
;
9367 linenr_T lnum
= get_tv_lnum(argvars
);
9368 static linenr_T prev_lnum
= 0;
9369 static int changedtick
= 0;
9370 static int fnum
= 0;
9371 static int change_start
= 0;
9372 static int change_end
= 0;
9373 static hlf_T hlID
= (hlf_T
)0;
9377 if (lnum
< 0) /* ignore type error in {lnum} arg */
9379 if (lnum
!= prev_lnum
9380 || changedtick
!= curbuf
->b_changedtick
9381 || fnum
!= curbuf
->b_fnum
)
9383 /* New line, buffer, change: need to get the values. */
9384 filler_lines
= diff_check(curwin
, lnum
);
9385 if (filler_lines
< 0)
9387 if (filler_lines
== -1)
9389 change_start
= MAXCOL
;
9391 if (diff_find_change(curwin
, lnum
, &change_start
, &change_end
))
9392 hlID
= HLF_ADD
; /* added line */
9394 hlID
= HLF_CHD
; /* changed line */
9397 hlID
= HLF_ADD
; /* added line */
9402 changedtick
= curbuf
->b_changedtick
;
9403 fnum
= curbuf
->b_fnum
;
9406 if (hlID
== HLF_CHD
|| hlID
== HLF_TXD
)
9408 col
= get_tv_number(&argvars
[1]) - 1; /* ignore type error in {col} */
9409 if (col
>= change_start
&& col
<= change_end
)
9410 hlID
= HLF_TXD
; /* changed text */
9412 hlID
= HLF_CHD
; /* changed line */
9414 rettv
->vval
.v_number
= hlID
== (hlf_T
)0 ? 0 : (int)hlID
;
9419 * "empty({expr})" function
9422 f_empty(argvars
, rettv
)
9428 switch (argvars
[0].v_type
)
9432 n
= argvars
[0].vval
.v_string
== NULL
9433 || *argvars
[0].vval
.v_string
== NUL
;
9436 n
= argvars
[0].vval
.v_number
== 0;
9440 n
= argvars
[0].vval
.v_float
== 0.0;
9444 n
= argvars
[0].vval
.v_list
== NULL
9445 || argvars
[0].vval
.v_list
->lv_first
== NULL
;
9448 n
= argvars
[0].vval
.v_dict
== NULL
9449 || argvars
[0].vval
.v_dict
->dv_hashtab
.ht_used
== 0;
9452 EMSG2(_(e_intern2
), "f_empty()");
9456 rettv
->vval
.v_number
= n
;
9460 * "escape({string}, {chars})" function
9463 f_escape(argvars
, rettv
)
9467 char_u buf
[NUMBUFLEN
];
9469 rettv
->vval
.v_string
= vim_strsave_escaped(get_tv_string(&argvars
[0]),
9470 get_tv_string_buf(&argvars
[1], buf
));
9471 rettv
->v_type
= VAR_STRING
;
9478 f_eval(argvars
, rettv
)
9484 s
= get_tv_string_chk(&argvars
[0]);
9488 if (s
== NULL
|| eval1(&s
, rettv
, TRUE
) == FAIL
)
9490 rettv
->v_type
= VAR_NUMBER
;
9491 rettv
->vval
.v_number
= 0;
9494 EMSG(_(e_trailing
));
9498 * "eventhandler()" function
9501 f_eventhandler(argvars
, rettv
)
9502 typval_T
*argvars UNUSED
;
9505 rettv
->vval
.v_number
= vgetc_busy
;
9509 * "executable()" function
9512 f_executable(argvars
, rettv
)
9516 rettv
->vval
.v_number
= mch_can_exe(get_tv_string(&argvars
[0]));
9520 * "exists()" function
9523 f_exists(argvars
, rettv
)
9532 p
= get_tv_string(&argvars
[0]);
9533 if (*p
== '$') /* environment variable */
9535 /* first try "normal" environment variables (fast) */
9536 if (mch_getenv(p
+ 1) != NULL
)
9540 /* try expanding things like $VIM and ${HOME} */
9541 p
= expand_env_save(p
);
9542 if (p
!= NULL
&& *p
!= '$')
9547 else if (*p
== '&' || *p
== '+') /* option */
9549 n
= (get_option_tv(&p
, NULL
, TRUE
) == OK
);
9550 if (*skipwhite(p
) != NUL
)
9551 n
= FALSE
; /* trailing garbage */
9553 else if (*p
== '*') /* internal or user defined function */
9555 n
= function_exists(p
+ 1);
9559 n
= cmd_exists(p
+ 1);
9565 n
= autocmd_supported(p
+ 2);
9567 n
= au_exists(p
+ 1);
9570 else /* internal variable */
9575 /* get_name_len() takes care of expanding curly braces */
9577 len
= get_name_len(&p
, &tofree
, TRUE
, FALSE
);
9582 n
= (get_var_tv(name
, len
, &tv
, FALSE
) == OK
);
9585 /* handle d.key, l[idx], f(expr) */
9586 n
= (handle_subscript(&p
, &tv
, TRUE
, FALSE
) == OK
);
9597 rettv
->vval
.v_number
= n
;
9601 * "expand()" function
9604 f_expand(argvars
, rettv
)
9611 int flags
= WILD_SILENT
|WILD_USE_NL
|WILD_LIST_NOTFOUND
;
9615 rettv
->v_type
= VAR_STRING
;
9616 s
= get_tv_string(&argvars
[0]);
9617 if (*s
== '%' || *s
== '#' || *s
== '<')
9620 rettv
->vval
.v_string
= eval_vars(s
, s
, &len
, NULL
, &errormsg
, NULL
);
9625 /* When the optional second argument is non-zero, don't remove matches
9626 * for 'wildignore' and don't put matches for 'suffixes' at the end. */
9627 if (argvars
[1].v_type
!= VAR_UNKNOWN
9628 && get_tv_number_chk(&argvars
[1], &error
))
9629 flags
|= WILD_KEEP_ALL
;
9633 xpc
.xp_context
= EXPAND_FILES
;
9634 rettv
->vval
.v_string
= ExpandOne(&xpc
, s
, NULL
, flags
, WILD_ALL
);
9637 rettv
->vval
.v_string
= NULL
;
9642 * "extend(list, list [, idx])" function
9643 * "extend(dict, dict [, action])" function
9646 f_extend(argvars
, rettv
)
9650 if (argvars
[0].v_type
== VAR_LIST
&& argvars
[1].v_type
== VAR_LIST
)
9657 l1
= argvars
[0].vval
.v_list
;
9658 l2
= argvars
[1].vval
.v_list
;
9659 if (l1
!= NULL
&& !tv_check_lock(l1
->lv_lock
, (char_u
*)"extend()")
9662 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9664 before
= get_tv_number_chk(&argvars
[2], &error
);
9666 return; /* type error; errmsg already given */
9668 if (before
== l1
->lv_len
)
9672 item
= list_find(l1
, before
);
9675 EMSGN(_(e_listidx
), before
);
9682 list_extend(l1
, l2
, item
);
9684 copy_tv(&argvars
[0], rettv
);
9687 else if (argvars
[0].v_type
== VAR_DICT
&& argvars
[1].v_type
== VAR_DICT
)
9696 d1
= argvars
[0].vval
.v_dict
;
9697 d2
= argvars
[1].vval
.v_dict
;
9698 if (d1
!= NULL
&& !tv_check_lock(d1
->dv_lock
, (char_u
*)"extend()")
9701 /* Check the third argument. */
9702 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9704 static char *(av
[]) = {"keep", "force", "error"};
9706 action
= get_tv_string_chk(&argvars
[2]);
9708 return; /* type error; errmsg already given */
9709 for (i
= 0; i
< 3; ++i
)
9710 if (STRCMP(action
, av
[i
]) == 0)
9714 EMSG2(_(e_invarg2
), action
);
9719 action
= (char_u
*)"force";
9721 /* Go over all entries in the second dict and add them to the
9723 todo
= (int)d2
->dv_hashtab
.ht_used
;
9724 for (hi2
= d2
->dv_hashtab
.ht_array
; todo
> 0; ++hi2
)
9726 if (!HASHITEM_EMPTY(hi2
))
9729 di1
= dict_find(d1
, hi2
->hi_key
, -1);
9732 di1
= dictitem_copy(HI2DI(hi2
));
9733 if (di1
!= NULL
&& dict_add(d1
, di1
) == FAIL
)
9736 else if (*action
== 'e')
9738 EMSG2(_("E737: Key already exists: %s"), hi2
->hi_key
);
9741 else if (*action
== 'f')
9743 clear_tv(&di1
->di_tv
);
9744 copy_tv(&HI2DI(hi2
)->di_tv
, &di1
->di_tv
);
9749 copy_tv(&argvars
[0], rettv
);
9753 EMSG2(_(e_listdictarg
), "extend()");
9757 * "feedkeys()" function
9760 f_feedkeys(argvars
, rettv
)
9762 typval_T
*rettv UNUSED
;
9765 char_u
*keys
, *flags
;
9766 char_u nbuf
[NUMBUFLEN
];
9770 /* This is not allowed in the sandbox. If the commands would still be
9771 * executed in the sandbox it would be OK, but it probably happens later,
9772 * when "sandbox" is no longer set. */
9776 keys
= get_tv_string(&argvars
[0]);
9779 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
9781 flags
= get_tv_string_buf(&argvars
[1], nbuf
);
9782 for ( ; *flags
!= NUL
; ++flags
)
9786 case 'n': remap
= FALSE
; break;
9787 case 'm': remap
= TRUE
; break;
9788 case 't': typed
= TRUE
; break;
9793 /* Need to escape K_SPECIAL and CSI before putting the string in the
9794 * typeahead buffer. */
9795 keys_esc
= vim_strsave_escape_csi(keys
);
9796 if (keys_esc
!= NULL
)
9798 ins_typebuf(keys_esc
, (remap
? REMAP_YES
: REMAP_NONE
),
9799 typebuf
.tb_len
, !typed
, FALSE
);
9802 typebuf_was_filled
= TRUE
;
9808 * "filereadable()" function
9811 f_filereadable(argvars
, rettv
)
9820 # define O_NONBLOCK 0
9822 p
= get_tv_string(&argvars
[0]);
9823 if (*p
&& !mch_isdir(p
) && (fd
= mch_open((char *)p
,
9824 O_RDONLY
| O_NONBLOCK
, 0)) >= 0)
9832 rettv
->vval
.v_number
= n
;
9836 * Return 0 for not writable, 1 for writable file, 2 for a dir which we have
9837 * rights to write into.
9840 f_filewritable(argvars
, rettv
)
9844 rettv
->vval
.v_number
= filewritable(get_tv_string(&argvars
[0]));
9847 static void findfilendir
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int find_what
));
9850 findfilendir(argvars
, rettv
, find_what
)
9855 #ifdef FEAT_SEARCHPATH
9857 char_u
*fresult
= NULL
;
9858 char_u
*path
= *curbuf
->b_p_path
== NUL
? p_path
: curbuf
->b_p_path
;
9860 char_u pathbuf
[NUMBUFLEN
];
9866 rettv
->vval
.v_string
= NULL
;
9867 rettv
->v_type
= VAR_STRING
;
9869 #ifdef FEAT_SEARCHPATH
9870 fname
= get_tv_string(&argvars
[0]);
9872 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
9874 p
= get_tv_string_buf_chk(&argvars
[1], pathbuf
);
9882 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9883 count
= get_tv_number_chk(&argvars
[2], &error
);
9887 if (count
< 0 && rettv_list_alloc(rettv
) == FAIL
)
9890 if (*fname
!= NUL
&& !error
)
9894 if (rettv
->v_type
== VAR_STRING
)
9896 fresult
= find_file_in_path_option(first
? fname
: NULL
,
9897 first
? (int)STRLEN(fname
) : 0,
9901 find_what
== FINDFILE_DIR
9902 ? (char_u
*)"" : curbuf
->b_p_sua
);
9905 if (fresult
!= NULL
&& rettv
->v_type
== VAR_LIST
)
9906 list_append_string(rettv
->vval
.v_list
, fresult
, -1);
9908 } while ((rettv
->v_type
== VAR_LIST
|| --count
> 0) && fresult
!= NULL
);
9911 if (rettv
->v_type
== VAR_STRING
)
9912 rettv
->vval
.v_string
= fresult
;
9916 static void filter_map
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int map
));
9917 static int filter_map_one
__ARGS((typval_T
*tv
, char_u
*expr
, int map
, int *remp
));
9920 * Implementation of map() and filter().
9923 filter_map(argvars
, rettv
, map
)
9928 char_u buf
[NUMBUFLEN
];
9930 listitem_T
*li
, *nli
;
9940 char_u
*ermsg
= map
? (char_u
*)"map()" : (char_u
*)"filter()";
9944 if (argvars
[0].v_type
== VAR_LIST
)
9946 if ((l
= argvars
[0].vval
.v_list
) == NULL
9947 || (map
&& tv_check_lock(l
->lv_lock
, ermsg
)))
9950 else if (argvars
[0].v_type
== VAR_DICT
)
9952 if ((d
= argvars
[0].vval
.v_dict
) == NULL
9953 || (map
&& tv_check_lock(d
->dv_lock
, ermsg
)))
9958 EMSG2(_(e_listdictarg
), ermsg
);
9962 expr
= get_tv_string_buf_chk(&argvars
[1], buf
);
9963 /* On type errors, the preceding call has already displayed an error
9964 * message. Avoid a misleading error message for an empty string that
9965 * was not passed as argument. */
9968 prepare_vimvar(VV_VAL
, &save_val
);
9969 expr
= skipwhite(expr
);
9971 /* We reset "did_emsg" to be able to detect whether an error
9972 * occurred during evaluation of the expression. */
9973 save_did_emsg
= did_emsg
;
9976 prepare_vimvar(VV_KEY
, &save_key
);
9977 if (argvars
[0].v_type
== VAR_DICT
)
9979 vimvars
[VV_KEY
].vv_type
= VAR_STRING
;
9981 ht
= &d
->dv_hashtab
;
9983 todo
= (int)ht
->ht_used
;
9984 for (hi
= ht
->ht_array
; todo
> 0; ++hi
)
9986 if (!HASHITEM_EMPTY(hi
))
9990 if (tv_check_lock(di
->di_tv
.v_lock
, ermsg
))
9992 vimvars
[VV_KEY
].vv_str
= vim_strsave(di
->di_key
);
9993 if (filter_map_one(&di
->di_tv
, expr
, map
, &rem
) == FAIL
9997 dictitem_remove(d
, di
);
9998 clear_tv(&vimvars
[VV_KEY
].vv_tv
);
10005 vimvars
[VV_KEY
].vv_type
= VAR_NUMBER
;
10007 for (li
= l
->lv_first
; li
!= NULL
; li
= nli
)
10009 if (tv_check_lock(li
->li_tv
.v_lock
, ermsg
))
10012 vimvars
[VV_KEY
].vv_nr
= index
;
10013 if (filter_map_one(&li
->li_tv
, expr
, map
, &rem
) == FAIL
10017 listitem_remove(l
, li
);
10022 restore_vimvar(VV_KEY
, &save_key
);
10023 restore_vimvar(VV_VAL
, &save_val
);
10025 did_emsg
|= save_did_emsg
;
10028 copy_tv(&argvars
[0], rettv
);
10032 filter_map_one(tv
, expr
, map
, remp
)
10042 copy_tv(tv
, &vimvars
[VV_VAL
].vv_tv
);
10044 if (eval1(&s
, &rettv
, TRUE
) == FAIL
)
10046 if (*s
!= NUL
) /* check for trailing chars after expr */
10048 EMSG2(_(e_invexpr2
), s
);
10053 /* map(): replace the list item value */
10062 /* filter(): when expr is zero remove the item */
10063 *remp
= (get_tv_number_chk(&rettv
, &error
) == 0);
10065 /* On type error, nothing has been removed; return FAIL to stop the
10066 * loop. The error message was given by get_tv_number_chk(). */
10072 clear_tv(&vimvars
[VV_VAL
].vv_tv
);
10077 * "filter()" function
10080 f_filter(argvars
, rettv
)
10084 filter_map(argvars
, rettv
, FALSE
);
10088 * "finddir({fname}[, {path}[, {count}]])" function
10091 f_finddir(argvars
, rettv
)
10095 findfilendir(argvars
, rettv
, FINDFILE_DIR
);
10099 * "findfile({fname}[, {path}[, {count}]])" function
10102 f_findfile(argvars
, rettv
)
10106 findfilendir(argvars
, rettv
, FINDFILE_FILE
);
10111 * "float2nr({float})" function
10114 f_float2nr(argvars
, rettv
)
10120 if (get_float_arg(argvars
, &f
) == OK
)
10122 if (f
< -0x7fffffff)
10123 rettv
->vval
.v_number
= -0x7fffffff;
10124 else if (f
> 0x7fffffff)
10125 rettv
->vval
.v_number
= 0x7fffffff;
10127 rettv
->vval
.v_number
= (varnumber_T
)f
;
10132 * "floor({float})" function
10135 f_floor(argvars
, rettv
)
10141 rettv
->v_type
= VAR_FLOAT
;
10142 if (get_float_arg(argvars
, &f
) == OK
)
10143 rettv
->vval
.v_float
= floor(f
);
10145 rettv
->vval
.v_float
= 0.0;
10150 * "fnameescape({string})" function
10153 f_fnameescape(argvars
, rettv
)
10157 rettv
->vval
.v_string
= vim_strsave_fnameescape(
10158 get_tv_string(&argvars
[0]), FALSE
);
10159 rettv
->v_type
= VAR_STRING
;
10163 * "fnamemodify({fname}, {mods})" function
10166 f_fnamemodify(argvars
, rettv
)
10174 char_u
*fbuf
= NULL
;
10175 char_u buf
[NUMBUFLEN
];
10177 fname
= get_tv_string_chk(&argvars
[0]);
10178 mods
= get_tv_string_buf_chk(&argvars
[1], buf
);
10179 if (fname
== NULL
|| mods
== NULL
)
10183 len
= (int)STRLEN(fname
);
10184 (void)modify_fname(mods
, &usedlen
, &fname
, &fbuf
, &len
);
10187 rettv
->v_type
= VAR_STRING
;
10189 rettv
->vval
.v_string
= NULL
;
10191 rettv
->vval
.v_string
= vim_strnsave(fname
, len
);
10195 static void foldclosed_both
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int end
));
10198 * "foldclosed()" function
10201 foldclosed_both(argvars
, rettv
, end
)
10206 #ifdef FEAT_FOLDING
10208 linenr_T first
, last
;
10210 lnum
= get_tv_lnum(argvars
);
10211 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
)
10213 if (hasFoldingWin(curwin
, lnum
, &first
, &last
, FALSE
, NULL
))
10216 rettv
->vval
.v_number
= (varnumber_T
)last
;
10218 rettv
->vval
.v_number
= (varnumber_T
)first
;
10223 rettv
->vval
.v_number
= -1;
10227 * "foldclosed()" function
10230 f_foldclosed(argvars
, rettv
)
10234 foldclosed_both(argvars
, rettv
, FALSE
);
10238 * "foldclosedend()" function
10241 f_foldclosedend(argvars
, rettv
)
10245 foldclosed_both(argvars
, rettv
, TRUE
);
10249 * "foldlevel()" function
10252 f_foldlevel(argvars
, rettv
)
10256 #ifdef FEAT_FOLDING
10259 lnum
= get_tv_lnum(argvars
);
10260 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
)
10261 rettv
->vval
.v_number
= foldLevel(lnum
);
10266 * "foldtext()" function
10269 f_foldtext(argvars
, rettv
)
10270 typval_T
*argvars UNUSED
;
10273 #ifdef FEAT_FOLDING
10281 rettv
->v_type
= VAR_STRING
;
10282 rettv
->vval
.v_string
= NULL
;
10283 #ifdef FEAT_FOLDING
10284 if ((linenr_T
)vimvars
[VV_FOLDSTART
].vv_nr
> 0
10285 && (linenr_T
)vimvars
[VV_FOLDEND
].vv_nr
10286 <= curbuf
->b_ml
.ml_line_count
10287 && vimvars
[VV_FOLDDASHES
].vv_str
!= NULL
)
10289 /* Find first non-empty line in the fold. */
10290 lnum
= (linenr_T
)vimvars
[VV_FOLDSTART
].vv_nr
;
10291 while (lnum
< (linenr_T
)vimvars
[VV_FOLDEND
].vv_nr
)
10293 if (!linewhite(lnum
))
10298 /* Find interesting text in this line. */
10299 s
= skipwhite(ml_get(lnum
));
10300 /* skip C comment-start */
10301 if (s
[0] == '/' && (s
[1] == '*' || s
[1] == '/'))
10303 s
= skipwhite(s
+ 2);
10304 if (*skipwhite(s
) == NUL
10305 && lnum
+ 1 < (linenr_T
)vimvars
[VV_FOLDEND
].vv_nr
)
10307 s
= skipwhite(ml_get(lnum
+ 1));
10309 s
= skipwhite(s
+ 1);
10312 txt
= _("+-%s%3ld lines: ");
10313 r
= alloc((unsigned)(STRLEN(txt
)
10314 + STRLEN(vimvars
[VV_FOLDDASHES
].vv_str
) /* for %s */
10315 + 20 /* for %3ld */
10316 + STRLEN(s
))); /* concatenated */
10319 sprintf((char *)r
, txt
, vimvars
[VV_FOLDDASHES
].vv_str
,
10320 (long)((linenr_T
)vimvars
[VV_FOLDEND
].vv_nr
10321 - (linenr_T
)vimvars
[VV_FOLDSTART
].vv_nr
+ 1));
10322 len
= (int)STRLEN(r
);
10324 /* remove 'foldmarker' and 'commentstring' */
10325 foldtext_cleanup(r
+ len
);
10326 rettv
->vval
.v_string
= r
;
10333 * "foldtextresult(lnum)" function
10336 f_foldtextresult(argvars
, rettv
)
10337 typval_T
*argvars UNUSED
;
10340 #ifdef FEAT_FOLDING
10344 foldinfo_T foldinfo
;
10348 rettv
->v_type
= VAR_STRING
;
10349 rettv
->vval
.v_string
= NULL
;
10350 #ifdef FEAT_FOLDING
10351 lnum
= get_tv_lnum(argvars
);
10352 /* treat illegal types and illegal string values for {lnum} the same */
10355 fold_count
= foldedCount(curwin
, lnum
, &foldinfo
);
10356 if (fold_count
> 0)
10358 text
= get_foldtext(curwin
, lnum
, lnum
+ fold_count
- 1,
10361 text
= vim_strsave(text
);
10362 rettv
->vval
.v_string
= text
;
10368 * "foreground()" function
10371 f_foreground(argvars
, rettv
)
10372 typval_T
*argvars UNUSED
;
10373 typval_T
*rettv UNUSED
;
10377 gui_mch_set_foreground();
10380 win32_set_foreground();
10386 * "function()" function
10389 f_function(argvars
, rettv
)
10395 s
= get_tv_string(&argvars
[0]);
10396 if (s
== NULL
|| *s
== NUL
|| VIM_ISDIGIT(*s
))
10397 EMSG2(_(e_invarg2
), s
);
10398 /* Don't check an autoload name for existence here. */
10399 else if (vim_strchr(s
, AUTOLOAD_CHAR
) == NULL
&& !function_exists(s
))
10400 EMSG2(_("E700: Unknown function: %s"), s
);
10403 rettv
->vval
.v_string
= vim_strsave(s
);
10404 rettv
->v_type
= VAR_FUNC
;
10409 * "garbagecollect()" function
10412 f_garbagecollect(argvars
, rettv
)
10414 typval_T
*rettv UNUSED
;
10416 /* This is postponed until we are back at the toplevel, because we may be
10417 * using Lists and Dicts internally. E.g.: ":echo [garbagecollect()]". */
10418 want_garbage_collect
= TRUE
;
10420 if (argvars
[0].v_type
!= VAR_UNKNOWN
&& get_tv_number(&argvars
[0]) == 1)
10421 garbage_collect_at_exit
= TRUE
;
10428 f_get(argvars
, rettv
)
10436 typval_T
*tv
= NULL
;
10438 if (argvars
[0].v_type
== VAR_LIST
)
10440 if ((l
= argvars
[0].vval
.v_list
) != NULL
)
10444 li
= list_find(l
, get_tv_number_chk(&argvars
[1], &error
));
10445 if (!error
&& li
!= NULL
)
10449 else if (argvars
[0].v_type
== VAR_DICT
)
10451 if ((d
= argvars
[0].vval
.v_dict
) != NULL
)
10453 di
= dict_find(d
, get_tv_string(&argvars
[1]), -1);
10459 EMSG2(_(e_listdictarg
), "get()");
10463 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
10464 copy_tv(&argvars
[2], rettv
);
10467 copy_tv(tv
, rettv
);
10470 static void get_buffer_lines
__ARGS((buf_T
*buf
, linenr_T start
, linenr_T end
, int retlist
, typval_T
*rettv
));
10473 * Get line or list of lines from buffer "buf" into "rettv".
10474 * Return a range (from start to end) of lines in rettv from the specified
10476 * If 'retlist' is TRUE, then the lines are returned as a Vim List.
10479 get_buffer_lines(buf
, start
, end
, retlist
, rettv
)
10488 if (retlist
&& rettv_list_alloc(rettv
) == FAIL
)
10491 if (buf
== NULL
|| buf
->b_ml
.ml_mfp
== NULL
|| start
< 0)
10496 if (start
>= 1 && start
<= buf
->b_ml
.ml_line_count
)
10497 p
= ml_get_buf(buf
, start
, FALSE
);
10501 rettv
->v_type
= VAR_STRING
;
10502 rettv
->vval
.v_string
= vim_strsave(p
);
10511 if (end
> buf
->b_ml
.ml_line_count
)
10512 end
= buf
->b_ml
.ml_line_count
;
10513 while (start
<= end
)
10514 if (list_append_string(rettv
->vval
.v_list
,
10515 ml_get_buf(buf
, start
++, FALSE
), -1) == FAIL
)
10521 * "getbufline()" function
10524 f_getbufline(argvars
, rettv
)
10532 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
10534 buf
= get_buf_tv(&argvars
[0]);
10537 lnum
= get_tv_lnum_buf(&argvars
[1], buf
);
10538 if (argvars
[2].v_type
== VAR_UNKNOWN
)
10541 end
= get_tv_lnum_buf(&argvars
[2], buf
);
10543 get_buffer_lines(buf
, lnum
, end
, TRUE
, rettv
);
10547 * "getbufvar()" function
10550 f_getbufvar(argvars
, rettv
)
10555 buf_T
*save_curbuf
;
10559 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
10560 varname
= get_tv_string_chk(&argvars
[1]);
10562 buf
= get_buf_tv(&argvars
[0]);
10564 rettv
->v_type
= VAR_STRING
;
10565 rettv
->vval
.v_string
= NULL
;
10567 if (buf
!= NULL
&& varname
!= NULL
)
10569 /* set curbuf to be our buf, temporarily */
10570 save_curbuf
= curbuf
;
10573 if (*varname
== '&') /* buffer-local-option */
10574 get_option_tv(&varname
, rettv
, TRUE
);
10577 if (*varname
== NUL
)
10578 /* let getbufvar({nr}, "") return the "b:" dictionary. The
10579 * scope prefix before the NUL byte is required by
10580 * find_var_in_ht(). */
10581 varname
= (char_u
*)"b:" + 2;
10582 /* look up the variable */
10583 v
= find_var_in_ht(&curbuf
->b_vars
.dv_hashtab
, varname
, FALSE
);
10585 copy_tv(&v
->di_tv
, rettv
);
10588 /* restore previous notion of curbuf */
10589 curbuf
= save_curbuf
;
10596 * "getchar()" function
10599 f_getchar(argvars
, rettv
)
10606 /* Position the cursor. Needed after a message that ends in a space. */
10607 windgoto(msg_row
, msg_col
);
10613 if (argvars
[0].v_type
== VAR_UNKNOWN
)
10614 /* getchar(): blocking wait. */
10616 else if (get_tv_number_chk(&argvars
[0], &error
) == 1)
10617 /* getchar(1): only check if char avail */
10619 else if (error
|| vpeekc() == NUL
)
10620 /* illegal argument or getchar(0) and no char avail: return zero */
10623 /* getchar(0) and char avail: return char */
10632 vimvars
[VV_MOUSE_WIN
].vv_nr
= 0;
10633 vimvars
[VV_MOUSE_LNUM
].vv_nr
= 0;
10634 vimvars
[VV_MOUSE_COL
].vv_nr
= 0;
10636 rettv
->vval
.v_number
= n
;
10637 if (IS_SPECIAL(n
) || mod_mask
!= 0)
10639 char_u temp
[10]; /* modifier: 3, mbyte-char: 6, NUL: 1 */
10642 /* Turn a special key into three bytes, plus modifier. */
10645 temp
[i
++] = K_SPECIAL
;
10646 temp
[i
++] = KS_MODIFIER
;
10647 temp
[i
++] = mod_mask
;
10651 temp
[i
++] = K_SPECIAL
;
10652 temp
[i
++] = K_SECOND(n
);
10653 temp
[i
++] = K_THIRD(n
);
10656 else if (has_mbyte
)
10657 i
+= (*mb_char2bytes
)(n
, temp
+ i
);
10662 rettv
->v_type
= VAR_STRING
;
10663 rettv
->vval
.v_string
= vim_strsave(temp
);
10666 if (n
== K_LEFTMOUSE
10667 || n
== K_LEFTMOUSE_NM
10669 || n
== K_LEFTRELEASE
10670 || n
== K_LEFTRELEASE_NM
10671 || n
== K_MIDDLEMOUSE
10672 || n
== K_MIDDLEDRAG
10673 || n
== K_MIDDLERELEASE
10674 || n
== K_RIGHTMOUSE
10675 || n
== K_RIGHTDRAG
10676 || n
== K_RIGHTRELEASE
10679 || n
== K_X1RELEASE
10682 || n
== K_X2RELEASE
10683 || n
== K_MOUSEDOWN
10686 int row
= mouse_row
;
10687 int col
= mouse_col
;
10690 # ifdef FEAT_WINDOWS
10695 if (row
>= 0 && col
>= 0)
10697 /* Find the window at the mouse coordinates and compute the
10698 * text position. */
10699 win
= mouse_find_win(&row
, &col
);
10700 (void)mouse_comp_pos(win
, &row
, &col
, &lnum
);
10701 # ifdef FEAT_WINDOWS
10702 for (wp
= firstwin
; wp
!= win
; wp
= wp
->w_next
)
10705 vimvars
[VV_MOUSE_WIN
].vv_nr
= winnr
;
10706 vimvars
[VV_MOUSE_LNUM
].vv_nr
= lnum
;
10707 vimvars
[VV_MOUSE_COL
].vv_nr
= col
+ 1;
10715 * "getcharmod()" function
10718 f_getcharmod(argvars
, rettv
)
10719 typval_T
*argvars UNUSED
;
10722 rettv
->vval
.v_number
= mod_mask
;
10726 * "getcmdline()" function
10729 f_getcmdline(argvars
, rettv
)
10730 typval_T
*argvars UNUSED
;
10733 rettv
->v_type
= VAR_STRING
;
10734 rettv
->vval
.v_string
= get_cmdline_str();
10738 * "getcmdpos()" function
10741 f_getcmdpos(argvars
, rettv
)
10742 typval_T
*argvars UNUSED
;
10745 rettv
->vval
.v_number
= get_cmdline_pos() + 1;
10749 * "getcmdtype()" function
10752 f_getcmdtype(argvars
, rettv
)
10753 typval_T
*argvars UNUSED
;
10756 rettv
->v_type
= VAR_STRING
;
10757 rettv
->vval
.v_string
= alloc(2);
10758 if (rettv
->vval
.v_string
!= NULL
)
10760 rettv
->vval
.v_string
[0] = get_cmdline_type();
10761 rettv
->vval
.v_string
[1] = NUL
;
10766 * "getcwd()" function
10769 f_getcwd(argvars
, rettv
)
10770 typval_T
*argvars UNUSED
;
10773 char_u cwd
[MAXPATHL
];
10775 rettv
->v_type
= VAR_STRING
;
10776 if (mch_dirname(cwd
, MAXPATHL
) == FAIL
)
10777 rettv
->vval
.v_string
= NULL
;
10780 rettv
->vval
.v_string
= vim_strsave(cwd
);
10781 #ifdef BACKSLASH_IN_FILENAME
10782 if (rettv
->vval
.v_string
!= NULL
)
10783 slash_adjust(rettv
->vval
.v_string
);
10789 * "getfontname()" function
10792 f_getfontname(argvars
, rettv
)
10793 typval_T
*argvars UNUSED
;
10796 rettv
->v_type
= VAR_STRING
;
10797 rettv
->vval
.v_string
= NULL
;
10802 char_u
*name
= NULL
;
10804 if (argvars
[0].v_type
== VAR_UNKNOWN
)
10806 /* Get the "Normal" font. Either the name saved by
10807 * hl_set_font_name() or from the font ID. */
10808 font
= gui
.norm_font
;
10809 name
= hl_get_font_name();
10813 name
= get_tv_string(&argvars
[0]);
10814 if (STRCMP(name
, "*") == 0) /* don't use font dialog */
10816 font
= gui_mch_get_font(name
, FALSE
);
10817 if (font
== NOFONT
)
10818 return; /* Invalid font name, return empty string. */
10820 rettv
->vval
.v_string
= gui_mch_get_fontname(font
, name
);
10821 if (argvars
[0].v_type
!= VAR_UNKNOWN
)
10822 gui_mch_free_font(font
);
10828 * "getfperm({fname})" function
10831 f_getfperm(argvars
, rettv
)
10837 char_u
*perm
= NULL
;
10838 char_u flags
[] = "rwx";
10841 fname
= get_tv_string(&argvars
[0]);
10843 rettv
->v_type
= VAR_STRING
;
10844 if (mch_stat((char *)fname
, &st
) >= 0)
10846 perm
= vim_strsave((char_u
*)"---------");
10849 for (i
= 0; i
< 9; i
++)
10851 if (st
.st_mode
& (1 << (8 - i
)))
10852 perm
[i
] = flags
[i
% 3];
10856 rettv
->vval
.v_string
= perm
;
10860 * "getfsize({fname})" function
10863 f_getfsize(argvars
, rettv
)
10870 fname
= get_tv_string(&argvars
[0]);
10872 rettv
->v_type
= VAR_NUMBER
;
10874 if (mch_stat((char *)fname
, &st
) >= 0)
10876 if (mch_isdir(fname
))
10877 rettv
->vval
.v_number
= 0;
10880 rettv
->vval
.v_number
= (varnumber_T
)st
.st_size
;
10882 /* non-perfect check for overflow */
10883 if ((off_t
)rettv
->vval
.v_number
!= (off_t
)st
.st_size
)
10884 rettv
->vval
.v_number
= -2;
10888 rettv
->vval
.v_number
= -1;
10892 * "getftime({fname})" function
10895 f_getftime(argvars
, rettv
)
10902 fname
= get_tv_string(&argvars
[0]);
10904 if (mch_stat((char *)fname
, &st
) >= 0)
10905 rettv
->vval
.v_number
= (varnumber_T
)st
.st_mtime
;
10907 rettv
->vval
.v_number
= -1;
10911 * "getftype({fname})" function
10914 f_getftype(argvars
, rettv
)
10920 char_u
*type
= NULL
;
10923 fname
= get_tv_string(&argvars
[0]);
10925 rettv
->v_type
= VAR_STRING
;
10926 if (mch_lstat((char *)fname
, &st
) >= 0)
10929 if (S_ISREG(st
.st_mode
))
10931 else if (S_ISDIR(st
.st_mode
))
10934 else if (S_ISLNK(st
.st_mode
))
10938 else if (S_ISBLK(st
.st_mode
))
10942 else if (S_ISCHR(st
.st_mode
))
10946 else if (S_ISFIFO(st
.st_mode
))
10950 else if (S_ISSOCK(st
.st_mode
))
10957 switch (st
.st_mode
& S_IFMT
)
10959 case S_IFREG
: t
= "file"; break;
10960 case S_IFDIR
: t
= "dir"; break;
10962 case S_IFLNK
: t
= "link"; break;
10965 case S_IFBLK
: t
= "bdev"; break;
10968 case S_IFCHR
: t
= "cdev"; break;
10971 case S_IFIFO
: t
= "fifo"; break;
10974 case S_IFSOCK
: t
= "socket"; break;
10976 default: t
= "other";
10979 if (mch_isdir(fname
))
10985 type
= vim_strsave((char_u
*)t
);
10987 rettv
->vval
.v_string
= type
;
10991 * "getline(lnum, [end])" function
10994 f_getline(argvars
, rettv
)
11002 lnum
= get_tv_lnum(argvars
);
11003 if (argvars
[1].v_type
== VAR_UNKNOWN
)
11010 end
= get_tv_lnum(&argvars
[1]);
11014 get_buffer_lines(curbuf
, lnum
, end
, retlist
, rettv
);
11018 * "getmatches()" function
11021 f_getmatches(argvars
, rettv
)
11022 typval_T
*argvars UNUSED
;
11025 #ifdef FEAT_SEARCH_EXTRA
11027 matchitem_T
*cur
= curwin
->w_match_head
;
11029 if (rettv_list_alloc(rettv
) == OK
)
11031 while (cur
!= NULL
)
11033 dict
= dict_alloc();
11036 dict_add_nr_str(dict
, "group", 0L, syn_id2name(cur
->hlg_id
));
11037 dict_add_nr_str(dict
, "pattern", 0L, cur
->pattern
);
11038 dict_add_nr_str(dict
, "priority", (long)cur
->priority
, NULL
);
11039 dict_add_nr_str(dict
, "id", (long)cur
->id
, NULL
);
11040 list_append_dict(rettv
->vval
.v_list
, dict
);
11048 * "getpid()" function
11051 f_getpid(argvars
, rettv
)
11052 typval_T
*argvars UNUSED
;
11055 rettv
->vval
.v_number
= mch_get_pid();
11059 * "getpos(string)" function
11062 f_getpos(argvars
, rettv
)
11070 if (rettv_list_alloc(rettv
) == OK
)
11072 l
= rettv
->vval
.v_list
;
11073 fp
= var2fpos(&argvars
[0], TRUE
, &fnum
);
11075 list_append_number(l
, (varnumber_T
)fnum
);
11077 list_append_number(l
, (varnumber_T
)0);
11078 list_append_number(l
, (fp
!= NULL
) ? (varnumber_T
)fp
->lnum
11080 list_append_number(l
, (fp
!= NULL
)
11081 ? (varnumber_T
)(fp
->col
== MAXCOL
? MAXCOL
: fp
->col
+ 1)
11083 list_append_number(l
,
11084 #ifdef FEAT_VIRTUALEDIT
11085 (fp
!= NULL
) ? (varnumber_T
)fp
->coladd
:
11090 rettv
->vval
.v_number
= FALSE
;
11094 * "getqflist()" and "getloclist()" functions
11097 f_getqflist(argvars
, rettv
)
11098 typval_T
*argvars UNUSED
;
11099 typval_T
*rettv UNUSED
;
11101 #ifdef FEAT_QUICKFIX
11105 #ifdef FEAT_QUICKFIX
11106 if (rettv_list_alloc(rettv
) == OK
)
11109 if (argvars
[0].v_type
!= VAR_UNKNOWN
) /* getloclist() */
11111 wp
= find_win_by_nr(&argvars
[0], NULL
);
11116 (void)get_errorlist(wp
, rettv
->vval
.v_list
);
11122 * "getreg()" function
11125 f_getreg(argvars
, rettv
)
11129 char_u
*strregname
;
11134 if (argvars
[0].v_type
!= VAR_UNKNOWN
)
11136 strregname
= get_tv_string_chk(&argvars
[0]);
11137 error
= strregname
== NULL
;
11138 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
11139 arg2
= get_tv_number_chk(&argvars
[1], &error
);
11142 strregname
= vimvars
[VV_REG
].vv_str
;
11143 regname
= (strregname
== NULL
? '"' : *strregname
);
11147 rettv
->v_type
= VAR_STRING
;
11148 rettv
->vval
.v_string
= error
? NULL
:
11149 get_reg_contents(regname
, TRUE
, arg2
);
11153 * "getregtype()" function
11156 f_getregtype(argvars
, rettv
)
11160 char_u
*strregname
;
11162 char_u buf
[NUMBUFLEN
+ 2];
11165 if (argvars
[0].v_type
!= VAR_UNKNOWN
)
11167 strregname
= get_tv_string_chk(&argvars
[0]);
11168 if (strregname
== NULL
) /* type error; errmsg already given */
11170 rettv
->v_type
= VAR_STRING
;
11171 rettv
->vval
.v_string
= NULL
;
11176 /* Default to v:register */
11177 strregname
= vimvars
[VV_REG
].vv_str
;
11179 regname
= (strregname
== NULL
? '"' : *strregname
);
11185 switch (get_reg_type(regname
, ®len
))
11187 case MLINE
: buf
[0] = 'V'; break;
11188 case MCHAR
: buf
[0] = 'v'; break;
11192 sprintf((char *)buf
+ 1, "%ld", reglen
+ 1);
11196 rettv
->v_type
= VAR_STRING
;
11197 rettv
->vval
.v_string
= vim_strsave(buf
);
11201 * "gettabwinvar()" function
11204 f_gettabwinvar(argvars
, rettv
)
11208 getwinvar(argvars
, rettv
, 1);
11212 * "getwinposx()" function
11215 f_getwinposx(argvars
, rettv
)
11216 typval_T
*argvars UNUSED
;
11219 rettv
->vval
.v_number
= -1;
11225 if (gui_mch_get_winpos(&x
, &y
) == OK
)
11226 rettv
->vval
.v_number
= x
;
11232 * "getwinposy()" function
11235 f_getwinposy(argvars
, rettv
)
11236 typval_T
*argvars UNUSED
;
11239 rettv
->vval
.v_number
= -1;
11245 if (gui_mch_get_winpos(&x
, &y
) == OK
)
11246 rettv
->vval
.v_number
= y
;
11252 * Find window specified by "vp" in tabpage "tp".
11255 find_win_by_nr(vp
, tp
)
11257 tabpage_T
*tp
; /* NULL for current tab page */
11259 #ifdef FEAT_WINDOWS
11264 nr
= get_tv_number_chk(vp
, NULL
);
11266 #ifdef FEAT_WINDOWS
11272 for (wp
= (tp
== NULL
|| tp
== curtab
) ? firstwin
: tp
->tp_firstwin
;
11273 wp
!= NULL
; wp
= wp
->w_next
)
11278 if (nr
== 0 || nr
== 1)
11285 * "getwinvar()" function
11288 f_getwinvar(argvars
, rettv
)
11292 getwinvar(argvars
, rettv
, 0);
11296 * getwinvar() and gettabwinvar()
11299 getwinvar(argvars
, rettv
, off
)
11302 int off
; /* 1 for gettabwinvar() */
11304 win_T
*win
, *oldcurwin
;
11309 #ifdef FEAT_WINDOWS
11311 tp
= find_tabpage((int)get_tv_number_chk(&argvars
[0], NULL
));
11315 win
= find_win_by_nr(&argvars
[off
], tp
);
11316 varname
= get_tv_string_chk(&argvars
[off
+ 1]);
11319 rettv
->v_type
= VAR_STRING
;
11320 rettv
->vval
.v_string
= NULL
;
11322 if (win
!= NULL
&& varname
!= NULL
)
11324 /* Set curwin to be our win, temporarily. Also set curbuf, so
11325 * that we can get buffer-local options. */
11326 oldcurwin
= curwin
;
11328 curbuf
= win
->w_buffer
;
11330 if (*varname
== '&') /* window-local-option */
11331 get_option_tv(&varname
, rettv
, 1);
11334 if (*varname
== NUL
)
11335 /* let getwinvar({nr}, "") return the "w:" dictionary. The
11336 * scope prefix before the NUL byte is required by
11337 * find_var_in_ht(). */
11338 varname
= (char_u
*)"w:" + 2;
11339 /* look up the variable */
11340 v
= find_var_in_ht(&win
->w_vars
.dv_hashtab
, varname
, FALSE
);
11342 copy_tv(&v
->di_tv
, rettv
);
11345 /* restore previous notion of curwin */
11346 curwin
= oldcurwin
;
11347 curbuf
= curwin
->w_buffer
;
11354 * "glob()" function
11357 f_glob(argvars
, rettv
)
11361 int flags
= WILD_SILENT
|WILD_USE_NL
;
11365 /* When the optional second argument is non-zero, don't remove matches
11366 * for 'wildignore' and don't put matches for 'suffixes' at the end. */
11367 if (argvars
[1].v_type
!= VAR_UNKNOWN
11368 && get_tv_number_chk(&argvars
[1], &error
))
11369 flags
|= WILD_KEEP_ALL
;
11370 rettv
->v_type
= VAR_STRING
;
11374 xpc
.xp_context
= EXPAND_FILES
;
11375 rettv
->vval
.v_string
= ExpandOne(&xpc
, get_tv_string(&argvars
[0]),
11376 NULL
, flags
, WILD_ALL
);
11379 rettv
->vval
.v_string
= NULL
;
11383 * "globpath()" function
11386 f_globpath(argvars
, rettv
)
11391 char_u buf1
[NUMBUFLEN
];
11392 char_u
*file
= get_tv_string_buf_chk(&argvars
[1], buf1
);
11395 /* When the optional second argument is non-zero, don't remove matches
11396 * for 'wildignore' and don't put matches for 'suffixes' at the end. */
11397 if (argvars
[2].v_type
!= VAR_UNKNOWN
11398 && get_tv_number_chk(&argvars
[2], &error
))
11399 flags
|= WILD_KEEP_ALL
;
11400 rettv
->v_type
= VAR_STRING
;
11401 if (file
== NULL
|| error
)
11402 rettv
->vval
.v_string
= NULL
;
11404 rettv
->vval
.v_string
= globpath(get_tv_string(&argvars
[0]), file
,
11412 f_has(argvars
, rettv
)
11419 static char *(has_list
[]) =
11440 #if defined(MACOS_X_UNIX)
11464 #if defined(UNIX) && (defined(__CYGWIN32__) || defined(__CYGWIN__))
11467 #if defined(WIN64) || defined(_WIN64)
11473 #ifndef CASE_INSENSITIVE_FILENAME
11479 #ifdef FEAT_AUTOCMD
11484 # ifndef FEAT_GUI_W32 /* other GUIs always have multiline balloons */
11485 "balloon_multiline",
11488 #if defined(SOME_BUILTIN_TCAPS) || defined(ALL_BUILTIN_TCAPS)
11490 # ifdef ALL_BUILTIN_TCAPS
11491 "all_builtin_terms",
11494 #ifdef FEAT_BYTEOFF
11497 #ifdef FEAT_CINDENT
11500 #ifdef FEAT_CLIENTSERVER
11503 #ifdef FEAT_CLIPBOARD
11506 #ifdef FEAT_CMDL_COMPL
11509 #ifdef FEAT_CMDHIST
11512 #ifdef FEAT_COMMENTS
11521 #ifdef CURSOR_SHAPE
11527 #ifdef FEAT_CON_DIALOG
11530 #ifdef FEAT_GUI_DIALOG
11536 #ifdef FEAT_DIGRAPHS
11542 #ifdef FEAT_EMACS_TAGS
11545 "eval", /* always present, of course! */
11546 #ifdef FEAT_EX_EXTRA
11549 #ifdef FEAT_SEARCH_EXTRA
11555 #ifdef FEAT_SEARCHPATH
11558 #if defined(UNIX) && !defined(USE_SYSTEM)
11561 #ifdef FEAT_FIND_ID
11567 #ifdef FEAT_FOLDING
11573 #if !defined(USE_SYSTEM) && defined(UNIX)
11576 #ifdef FEAT_GETTEXT
11582 #ifdef FEAT_GUI_ATHENA
11583 # ifdef FEAT_GUI_NEXTAW
11589 #ifdef FEAT_GUI_GTK
11595 #ifdef FEAT_GUI_GNOME
11598 #ifdef FEAT_GUI_MAC
11601 #ifdef FEAT_GUI_MOTIF
11604 #ifdef FEAT_GUI_PHOTON
11607 #ifdef FEAT_GUI_W16
11610 #ifdef FEAT_GUI_W32
11613 #ifdef FEAT_HANGULIN
11616 #if defined(HAVE_ICONV_H) && defined(USE_ICONV)
11619 #ifdef FEAT_INS_EXPAND
11622 #ifdef FEAT_JUMPLIST
11628 #ifdef FEAT_LANGMAP
11631 #ifdef FEAT_LIBCALL
11634 #ifdef FEAT_LINEBREAK
11640 #ifdef FEAT_LISTCMDS
11643 #ifdef FEAT_LOCALMAP
11649 #ifdef FEAT_SESSION
11652 #ifdef FEAT_MODIFY_FNAME
11658 #ifdef FEAT_MOUSESHAPE
11661 #if defined(UNIX) || defined(VMS)
11662 # ifdef FEAT_MOUSE_DEC
11665 # ifdef FEAT_MOUSE_GPM
11668 # ifdef FEAT_MOUSE_JSB
11671 # ifdef FEAT_MOUSE_NET
11674 # ifdef FEAT_MOUSE_PTERM
11677 # ifdef FEAT_SYSMOUSE
11680 # ifdef FEAT_MOUSE_XTERM
11687 #ifdef FEAT_MBYTE_IME
11690 #ifdef FEAT_MULTI_LANG
11693 #ifdef FEAT_MZSCHEME
11694 #ifndef DYNAMIC_MZSCHEME
11701 #ifdef FEAT_OSFILETYPE
11704 #ifdef FEAT_PATH_EXTRA
11708 #ifndef DYNAMIC_PERL
11713 #ifndef DYNAMIC_PYTHON
11717 #ifdef FEAT_POSTSCRIPT
11720 #ifdef FEAT_PRINTER
11723 #ifdef FEAT_PROFILE
11726 #ifdef FEAT_RELTIME
11729 #ifdef FEAT_QUICKFIX
11732 #ifdef FEAT_RIGHTLEFT
11735 #if defined(FEAT_RUBY) && !defined(DYNAMIC_RUBY)
11738 #ifdef FEAT_SCROLLBIND
11741 #ifdef FEAT_CMDL_INFO
11748 #ifdef FEAT_SMARTINDENT
11757 #ifdef FEAT_STL_OPT
11760 #ifdef FEAT_SUN_WORKSHOP
11763 #ifdef FEAT_NETBEANS_INTG
11772 #if defined(USE_SYSTEM) || !defined(UNIX)
11775 #ifdef FEAT_TAG_BINS
11778 #ifdef FEAT_TAG_OLDSTATIC
11781 #ifdef FEAT_TAG_ANYWHITE
11785 # ifndef DYNAMIC_TCL
11792 #ifdef FEAT_TERMRESPONSE
11795 #ifdef FEAT_TEXTOBJ
11798 #ifdef HAVE_TGETENT
11804 #ifdef FEAT_TOOLBAR
11807 #ifdef FEAT_USR_CMDS
11808 "user-commands", /* was accidentally included in 5.4 */
11811 #ifdef FEAT_VIMINFO
11814 #ifdef FEAT_VERTSPLIT
11817 #ifdef FEAT_VIRTUALEDIT
11823 #ifdef FEAT_VISUALEXTRA
11826 #ifdef FEAT_VREPLACE
11829 #ifdef FEAT_WILDIGN
11832 #ifdef FEAT_WILDMENU
11835 #ifdef FEAT_WINDOWS
11841 #ifdef FEAT_WRITEBACKUP
11847 #ifdef FEAT_XFONTSET
11853 #ifdef USE_XSMP_INTERACT
11856 #ifdef FEAT_XCLIPBOARD
11859 #ifdef FEAT_XTERM_SAVE
11862 #if defined(UNIX) && defined(FEAT_X11)
11868 name
= get_tv_string(&argvars
[0]);
11869 for (i
= 0; has_list
[i
] != NULL
; ++i
)
11870 if (STRICMP(name
, has_list
[i
]) == 0)
11878 if (STRNICMP(name
, "patch", 5) == 0)
11879 n
= has_patch(atoi((char *)name
+ 5));
11880 else if (STRICMP(name
, "vim_starting") == 0)
11881 n
= (starting
!= 0);
11883 else if (STRICMP(name
, "multi_byte_encoding") == 0)
11886 #if defined(FEAT_BEVAL) && defined(FEAT_GUI_W32)
11887 else if (STRICMP(name
, "balloon_multiline") == 0)
11888 n
= multiline_balloon_available();
11891 else if (STRICMP(name
, "tcl") == 0)
11892 n
= tcl_enabled(FALSE
);
11894 #if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
11895 else if (STRICMP(name
, "iconv") == 0)
11896 n
= iconv_enabled(FALSE
);
11898 #ifdef DYNAMIC_MZSCHEME
11899 else if (STRICMP(name
, "mzscheme") == 0)
11900 n
= mzscheme_enabled(FALSE
);
11902 #ifdef DYNAMIC_RUBY
11903 else if (STRICMP(name
, "ruby") == 0)
11904 n
= ruby_enabled(FALSE
);
11906 #ifdef DYNAMIC_PYTHON
11907 else if (STRICMP(name
, "python") == 0)
11908 n
= python_enabled(FALSE
);
11910 #ifdef DYNAMIC_PERL
11911 else if (STRICMP(name
, "perl") == 0)
11912 n
= perl_enabled(FALSE
);
11915 else if (STRICMP(name
, "gui_running") == 0)
11916 n
= (gui
.in_use
|| gui
.starting
);
11917 # ifdef FEAT_GUI_W32
11918 else if (STRICMP(name
, "gui_win32s") == 0)
11919 n
= gui_is_win32s();
11921 # ifdef FEAT_BROWSE
11922 else if (STRICMP(name
, "browse") == 0)
11923 n
= gui
.in_use
; /* gui_mch_browse() works when GUI is running */
11927 else if (STRICMP(name
, "syntax_items") == 0)
11928 n
= syntax_present(curbuf
);
11930 #if defined(WIN3264)
11931 else if (STRICMP(name
, "win95") == 0)
11932 n
= mch_windows95();
11934 #ifdef FEAT_NETBEANS_INTG
11935 else if (STRICMP(name
, "netbeans_enabled") == 0)
11940 rettv
->vval
.v_number
= n
;
11944 * "has_key()" function
11947 f_has_key(argvars
, rettv
)
11951 if (argvars
[0].v_type
!= VAR_DICT
)
11953 EMSG(_(e_dictreq
));
11956 if (argvars
[0].vval
.v_dict
== NULL
)
11959 rettv
->vval
.v_number
= dict_find(argvars
[0].vval
.v_dict
,
11960 get_tv_string(&argvars
[1]), -1) != NULL
;
11964 * "haslocaldir()" function
11967 f_haslocaldir(argvars
, rettv
)
11968 typval_T
*argvars UNUSED
;
11971 rettv
->vval
.v_number
= (curwin
->w_localdir
!= NULL
);
11975 * "hasmapto()" function
11978 f_hasmapto(argvars
, rettv
)
11984 char_u buf
[NUMBUFLEN
];
11987 name
= get_tv_string(&argvars
[0]);
11988 if (argvars
[1].v_type
== VAR_UNKNOWN
)
11989 mode
= (char_u
*)"nvo";
11992 mode
= get_tv_string_buf(&argvars
[1], buf
);
11993 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
11994 abbr
= get_tv_number(&argvars
[2]);
11997 if (map_to_exists(name
, mode
, abbr
))
11998 rettv
->vval
.v_number
= TRUE
;
12000 rettv
->vval
.v_number
= FALSE
;
12004 * "histadd()" function
12007 f_histadd(argvars
, rettv
)
12008 typval_T
*argvars UNUSED
;
12011 #ifdef FEAT_CMDHIST
12014 char_u buf
[NUMBUFLEN
];
12017 rettv
->vval
.v_number
= FALSE
;
12018 if (check_restricted() || check_secure())
12020 #ifdef FEAT_CMDHIST
12021 str
= get_tv_string_chk(&argvars
[0]); /* NULL on type error */
12022 histype
= str
!= NULL
? get_histtype(str
) : -1;
12025 str
= get_tv_string_buf(&argvars
[1], buf
);
12029 add_to_history(histype
, str
, FALSE
, NUL
);
12030 rettv
->vval
.v_number
= TRUE
;
12038 * "histdel()" function
12041 f_histdel(argvars
, rettv
)
12042 typval_T
*argvars UNUSED
;
12043 typval_T
*rettv UNUSED
;
12045 #ifdef FEAT_CMDHIST
12047 char_u buf
[NUMBUFLEN
];
12050 str
= get_tv_string_chk(&argvars
[0]); /* NULL on type error */
12053 else if (argvars
[1].v_type
== VAR_UNKNOWN
)
12054 /* only one argument: clear entire history */
12055 n
= clr_history(get_histtype(str
));
12056 else if (argvars
[1].v_type
== VAR_NUMBER
)
12057 /* index given: remove that entry */
12058 n
= del_history_idx(get_histtype(str
),
12059 (int)get_tv_number(&argvars
[1]));
12061 /* string given: remove all matching entries */
12062 n
= del_history_entry(get_histtype(str
),
12063 get_tv_string_buf(&argvars
[1], buf
));
12064 rettv
->vval
.v_number
= n
;
12069 * "histget()" function
12072 f_histget(argvars
, rettv
)
12073 typval_T
*argvars UNUSED
;
12076 #ifdef FEAT_CMDHIST
12081 str
= get_tv_string_chk(&argvars
[0]); /* NULL on type error */
12083 rettv
->vval
.v_string
= NULL
;
12086 type
= get_histtype(str
);
12087 if (argvars
[1].v_type
== VAR_UNKNOWN
)
12088 idx
= get_history_idx(type
);
12090 idx
= (int)get_tv_number_chk(&argvars
[1], NULL
);
12091 /* -1 on type error */
12092 rettv
->vval
.v_string
= vim_strsave(get_history_entry(type
, idx
));
12095 rettv
->vval
.v_string
= NULL
;
12097 rettv
->v_type
= VAR_STRING
;
12101 * "histnr()" function
12104 f_histnr(argvars
, rettv
)
12105 typval_T
*argvars UNUSED
;
12110 #ifdef FEAT_CMDHIST
12111 char_u
*history
= get_tv_string_chk(&argvars
[0]);
12113 i
= history
== NULL
? HIST_CMD
- 1 : get_histtype(history
);
12114 if (i
>= HIST_CMD
&& i
< HIST_COUNT
)
12115 i
= get_history_idx(i
);
12119 rettv
->vval
.v_number
= i
;
12123 * "highlightID(name)" function
12126 f_hlID(argvars
, rettv
)
12130 rettv
->vval
.v_number
= syn_name2id(get_tv_string(&argvars
[0]));
12134 * "highlight_exists()" function
12137 f_hlexists(argvars
, rettv
)
12141 rettv
->vval
.v_number
= highlight_exists(get_tv_string(&argvars
[0]));
12145 * "hostname()" function
12148 f_hostname(argvars
, rettv
)
12149 typval_T
*argvars UNUSED
;
12152 char_u hostname
[256];
12154 mch_get_host_name(hostname
, 256);
12155 rettv
->v_type
= VAR_STRING
;
12156 rettv
->vval
.v_string
= vim_strsave(hostname
);
12163 f_iconv(argvars
, rettv
)
12164 typval_T
*argvars UNUSED
;
12168 char_u buf1
[NUMBUFLEN
];
12169 char_u buf2
[NUMBUFLEN
];
12170 char_u
*from
, *to
, *str
;
12174 rettv
->v_type
= VAR_STRING
;
12175 rettv
->vval
.v_string
= NULL
;
12178 str
= get_tv_string(&argvars
[0]);
12179 from
= enc_canonize(enc_skip(get_tv_string_buf(&argvars
[1], buf1
)));
12180 to
= enc_canonize(enc_skip(get_tv_string_buf(&argvars
[2], buf2
)));
12181 vimconv
.vc_type
= CONV_NONE
;
12182 convert_setup(&vimconv
, from
, to
);
12184 /* If the encodings are equal, no conversion needed. */
12185 if (vimconv
.vc_type
== CONV_NONE
)
12186 rettv
->vval
.v_string
= vim_strsave(str
);
12188 rettv
->vval
.v_string
= string_convert(&vimconv
, str
, NULL
);
12190 convert_setup(&vimconv
, NULL
, NULL
);
12197 * "indent()" function
12200 f_indent(argvars
, rettv
)
12206 lnum
= get_tv_lnum(argvars
);
12207 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
)
12208 rettv
->vval
.v_number
= get_indent_lnum(lnum
);
12210 rettv
->vval
.v_number
= -1;
12214 * "index()" function
12217 f_index(argvars
, rettv
)
12226 rettv
->vval
.v_number
= -1;
12227 if (argvars
[0].v_type
!= VAR_LIST
)
12229 EMSG(_(e_listreq
));
12232 l
= argvars
[0].vval
.v_list
;
12235 item
= l
->lv_first
;
12236 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
12240 /* Start at specified item. Use the cached index that list_find()
12241 * sets, so that a negative number also works. */
12242 item
= list_find(l
, get_tv_number_chk(&argvars
[2], &error
));
12244 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
12245 ic
= get_tv_number_chk(&argvars
[3], &error
);
12250 for ( ; item
!= NULL
; item
= item
->li_next
, ++idx
)
12251 if (tv_equal(&item
->li_tv
, &argvars
[1], ic
))
12253 rettv
->vval
.v_number
= idx
;
12259 static int inputsecret_flag
= 0;
12261 static void get_user_input
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int inputdialog
));
12264 * This function is used by f_input() and f_inputdialog() functions. The third
12265 * argument to f_input() specifies the type of completion to use at the
12266 * prompt. The third argument to f_inputdialog() specifies the value to return
12267 * when the user cancels the prompt.
12270 get_user_input(argvars
, rettv
, inputdialog
)
12275 char_u
*prompt
= get_tv_string_chk(&argvars
[0]);
12278 char_u buf
[NUMBUFLEN
];
12279 int cmd_silent_save
= cmd_silent
;
12280 char_u
*defstr
= (char_u
*)"";
12281 int xp_type
= EXPAND_NOTHING
;
12282 char_u
*xp_arg
= NULL
;
12284 rettv
->v_type
= VAR_STRING
;
12285 rettv
->vval
.v_string
= NULL
;
12287 #ifdef NO_CONSOLE_INPUT
12288 /* While starting up, there is no place to enter text. */
12289 if (no_console_input())
12293 cmd_silent
= FALSE
; /* Want to see the prompt. */
12294 if (prompt
!= NULL
)
12296 /* Only the part of the message after the last NL is considered as
12297 * prompt for the command line */
12298 p
= vim_strrchr(prompt
, '\n');
12308 msg_puts_attr(prompt
, echo_attr
);
12309 msg_didout
= FALSE
;
12313 cmdline_row
= msg_row
;
12315 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
12317 defstr
= get_tv_string_buf_chk(&argvars
[1], buf
);
12318 if (defstr
!= NULL
)
12319 stuffReadbuffSpec(defstr
);
12321 if (!inputdialog
&& argvars
[2].v_type
!= VAR_UNKNOWN
)
12327 rettv
->vval
.v_string
= NULL
;
12329 xp_name
= get_tv_string_buf_chk(&argvars
[2], buf
);
12330 if (xp_name
== NULL
)
12333 xp_namelen
= (int)STRLEN(xp_name
);
12335 if (parse_compl_arg(xp_name
, xp_namelen
, &xp_type
, &argt
,
12341 if (defstr
!= NULL
)
12342 rettv
->vval
.v_string
=
12343 getcmdline_prompt(inputsecret_flag
? NUL
: '@', p
, echo_attr
,
12348 /* since the user typed this, no need to wait for return */
12349 need_wait_return
= FALSE
;
12350 msg_didout
= FALSE
;
12352 cmd_silent
= cmd_silent_save
;
12356 * "input()" function
12357 * Also handles inputsecret() when inputsecret is set.
12360 f_input(argvars
, rettv
)
12364 get_user_input(argvars
, rettv
, FALSE
);
12368 * "inputdialog()" function
12371 f_inputdialog(argvars
, rettv
)
12375 #if defined(FEAT_GUI_TEXTDIALOG)
12376 /* Use a GUI dialog if the GUI is running and 'c' is not in 'guioptions' */
12377 if (gui
.in_use
&& vim_strchr(p_go
, GO_CONDIALOG
) == NULL
)
12380 char_u buf
[NUMBUFLEN
];
12381 char_u
*defstr
= (char_u
*)"";
12383 message
= get_tv_string_chk(&argvars
[0]);
12384 if (argvars
[1].v_type
!= VAR_UNKNOWN
12385 && (defstr
= get_tv_string_buf_chk(&argvars
[1], buf
)) != NULL
)
12386 vim_strncpy(IObuff
, defstr
, IOSIZE
- 1);
12389 if (message
!= NULL
&& defstr
!= NULL
12390 && do_dialog(VIM_QUESTION
, NULL
, message
,
12391 (char_u
*)_("&OK\n&Cancel"), 1, IObuff
) == 1)
12392 rettv
->vval
.v_string
= vim_strsave(IObuff
);
12395 if (message
!= NULL
&& defstr
!= NULL
12396 && argvars
[1].v_type
!= VAR_UNKNOWN
12397 && argvars
[2].v_type
!= VAR_UNKNOWN
)
12398 rettv
->vval
.v_string
= vim_strsave(
12399 get_tv_string_buf(&argvars
[2], buf
));
12401 rettv
->vval
.v_string
= NULL
;
12403 rettv
->v_type
= VAR_STRING
;
12407 get_user_input(argvars
, rettv
, TRUE
);
12411 * "inputlist()" function
12414 f_inputlist(argvars
, rettv
)
12422 #ifdef NO_CONSOLE_INPUT
12423 /* While starting up, there is no place to enter text. */
12424 if (no_console_input())
12427 if (argvars
[0].v_type
!= VAR_LIST
|| argvars
[0].vval
.v_list
== NULL
)
12429 EMSG2(_(e_listarg
), "inputlist()");
12434 msg_row
= Rows
- 1; /* for when 'cmdheight' > 1 */
12435 lines_left
= Rows
; /* avoid more prompt */
12439 for (li
= argvars
[0].vval
.v_list
->lv_first
; li
!= NULL
; li
= li
->li_next
)
12441 msg_puts(get_tv_string(&li
->li_tv
));
12445 /* Ask for choice. */
12446 selected
= prompt_for_number(&mouse_used
);
12448 selected
-= lines_left
;
12450 rettv
->vval
.v_number
= selected
;
12454 static garray_T ga_userinput
= {0, 0, sizeof(tasave_T
), 4, NULL
};
12457 * "inputrestore()" function
12460 f_inputrestore(argvars
, rettv
)
12461 typval_T
*argvars UNUSED
;
12464 if (ga_userinput
.ga_len
> 0)
12466 --ga_userinput
.ga_len
;
12467 restore_typeahead((tasave_T
*)(ga_userinput
.ga_data
)
12468 + ga_userinput
.ga_len
);
12469 /* default return is zero == OK */
12471 else if (p_verbose
> 1)
12473 verb_msg((char_u
*)_("called inputrestore() more often than inputsave()"));
12474 rettv
->vval
.v_number
= 1; /* Failed */
12479 * "inputsave()" function
12482 f_inputsave(argvars
, rettv
)
12483 typval_T
*argvars UNUSED
;
12486 /* Add an entry to the stack of typeahead storage. */
12487 if (ga_grow(&ga_userinput
, 1) == OK
)
12489 save_typeahead((tasave_T
*)(ga_userinput
.ga_data
)
12490 + ga_userinput
.ga_len
);
12491 ++ga_userinput
.ga_len
;
12492 /* default return is zero == OK */
12495 rettv
->vval
.v_number
= 1; /* Failed */
12499 * "inputsecret()" function
12502 f_inputsecret(argvars
, rettv
)
12507 ++inputsecret_flag
;
12508 f_input(argvars
, rettv
);
12510 --inputsecret_flag
;
12514 * "insert()" function
12517 f_insert(argvars
, rettv
)
12526 if (argvars
[0].v_type
!= VAR_LIST
)
12527 EMSG2(_(e_listarg
), "insert()");
12528 else if ((l
= argvars
[0].vval
.v_list
) != NULL
12529 && !tv_check_lock(l
->lv_lock
, (char_u
*)"insert()"))
12531 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
12532 before
= get_tv_number_chk(&argvars
[2], &error
);
12534 return; /* type error; errmsg already given */
12536 if (before
== l
->lv_len
)
12540 item
= list_find(l
, before
);
12543 EMSGN(_(e_listidx
), before
);
12549 list_insert_tv(l
, &argvars
[1], item
);
12550 copy_tv(&argvars
[0], rettv
);
12556 * "isdirectory()" function
12559 f_isdirectory(argvars
, rettv
)
12563 rettv
->vval
.v_number
= mch_isdir(get_tv_string(&argvars
[0]));
12567 * "islocked()" function
12570 f_islocked(argvars
, rettv
)
12578 rettv
->vval
.v_number
= -1;
12579 end
= get_lval(get_tv_string(&argvars
[0]), NULL
, &lv
, FALSE
, FALSE
, FALSE
,
12581 if (end
!= NULL
&& lv
.ll_name
!= NULL
)
12584 EMSG(_(e_trailing
));
12587 if (lv
.ll_tv
== NULL
)
12589 if (check_changedtick(lv
.ll_name
))
12590 rettv
->vval
.v_number
= 1; /* always locked */
12593 di
= find_var(lv
.ll_name
, NULL
);
12596 /* Consider a variable locked when:
12597 * 1. the variable itself is locked
12598 * 2. the value of the variable is locked.
12599 * 3. the List or Dict value is locked.
12601 rettv
->vval
.v_number
= ((di
->di_flags
& DI_FLAGS_LOCK
)
12602 || tv_islocked(&di
->di_tv
));
12606 else if (lv
.ll_range
)
12607 EMSG(_("E786: Range not allowed"));
12608 else if (lv
.ll_newkey
!= NULL
)
12609 EMSG2(_(e_dictkey
), lv
.ll_newkey
);
12610 else if (lv
.ll_list
!= NULL
)
12612 rettv
->vval
.v_number
= tv_islocked(&lv
.ll_li
->li_tv
);
12614 /* Dictionary item. */
12615 rettv
->vval
.v_number
= tv_islocked(&lv
.ll_di
->di_tv
);
12622 static void dict_list
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int what
));
12625 * Turn a dict into a list:
12626 * "what" == 0: list of keys
12627 * "what" == 1: list of values
12628 * "what" == 2: list of items
12631 dict_list(argvars
, rettv
, what
)
12644 if (argvars
[0].v_type
!= VAR_DICT
)
12646 EMSG(_(e_dictreq
));
12649 if ((d
= argvars
[0].vval
.v_dict
) == NULL
)
12652 if (rettv_list_alloc(rettv
) == FAIL
)
12655 todo
= (int)d
->dv_hashtab
.ht_used
;
12656 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
12658 if (!HASHITEM_EMPTY(hi
))
12663 li
= listitem_alloc();
12666 list_append(rettv
->vval
.v_list
, li
);
12671 li
->li_tv
.v_type
= VAR_STRING
;
12672 li
->li_tv
.v_lock
= 0;
12673 li
->li_tv
.vval
.v_string
= vim_strsave(di
->di_key
);
12675 else if (what
== 1)
12678 copy_tv(&di
->di_tv
, &li
->li_tv
);
12684 li
->li_tv
.v_type
= VAR_LIST
;
12685 li
->li_tv
.v_lock
= 0;
12686 li
->li_tv
.vval
.v_list
= l2
;
12691 li2
= listitem_alloc();
12694 list_append(l2
, li2
);
12695 li2
->li_tv
.v_type
= VAR_STRING
;
12696 li2
->li_tv
.v_lock
= 0;
12697 li2
->li_tv
.vval
.v_string
= vim_strsave(di
->di_key
);
12699 li2
= listitem_alloc();
12702 list_append(l2
, li2
);
12703 copy_tv(&di
->di_tv
, &li2
->li_tv
);
12710 * "items(dict)" function
12713 f_items(argvars
, rettv
)
12717 dict_list(argvars
, rettv
, 2);
12721 * "join()" function
12724 f_join(argvars
, rettv
)
12731 if (argvars
[0].v_type
!= VAR_LIST
)
12733 EMSG(_(e_listreq
));
12736 if (argvars
[0].vval
.v_list
== NULL
)
12738 if (argvars
[1].v_type
== VAR_UNKNOWN
)
12739 sep
= (char_u
*)" ";
12741 sep
= get_tv_string_chk(&argvars
[1]);
12743 rettv
->v_type
= VAR_STRING
;
12747 ga_init2(&ga
, (int)sizeof(char), 80);
12748 list_join(&ga
, argvars
[0].vval
.v_list
, sep
, TRUE
, 0);
12749 ga_append(&ga
, NUL
);
12750 rettv
->vval
.v_string
= (char_u
*)ga
.ga_data
;
12753 rettv
->vval
.v_string
= NULL
;
12757 * "keys()" function
12760 f_keys(argvars
, rettv
)
12764 dict_list(argvars
, rettv
, 0);
12768 * "last_buffer_nr()" function.
12771 f_last_buffer_nr(argvars
, rettv
)
12772 typval_T
*argvars UNUSED
;
12778 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
12779 if (n
< buf
->b_fnum
)
12782 rettv
->vval
.v_number
= n
;
12789 f_len(argvars
, rettv
)
12793 switch (argvars
[0].v_type
)
12797 rettv
->vval
.v_number
= (varnumber_T
)STRLEN(
12798 get_tv_string(&argvars
[0]));
12801 rettv
->vval
.v_number
= list_len(argvars
[0].vval
.v_list
);
12804 rettv
->vval
.v_number
= dict_len(argvars
[0].vval
.v_dict
);
12807 EMSG(_("E701: Invalid type for len()"));
12812 static void libcall_common
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int type
));
12815 libcall_common(argvars
, rettv
, type
)
12820 #ifdef FEAT_LIBCALL
12822 char_u
**string_result
;
12826 rettv
->v_type
= type
;
12827 if (type
!= VAR_NUMBER
)
12828 rettv
->vval
.v_string
= NULL
;
12830 if (check_restricted() || check_secure())
12833 #ifdef FEAT_LIBCALL
12834 /* The first two args must be strings, otherwise its meaningless */
12835 if (argvars
[0].v_type
== VAR_STRING
&& argvars
[1].v_type
== VAR_STRING
)
12838 if (argvars
[2].v_type
== VAR_STRING
)
12839 string_in
= argvars
[2].vval
.v_string
;
12840 if (type
== VAR_NUMBER
)
12841 string_result
= NULL
;
12843 string_result
= &rettv
->vval
.v_string
;
12844 if (mch_libcall(argvars
[0].vval
.v_string
,
12845 argvars
[1].vval
.v_string
,
12847 argvars
[2].vval
.v_number
,
12850 && type
== VAR_NUMBER
)
12851 rettv
->vval
.v_number
= nr_result
;
12857 * "libcall()" function
12860 f_libcall(argvars
, rettv
)
12864 libcall_common(argvars
, rettv
, VAR_STRING
);
12868 * "libcallnr()" function
12871 f_libcallnr(argvars
, rettv
)
12875 libcall_common(argvars
, rettv
, VAR_NUMBER
);
12879 * "line(string)" function
12882 f_line(argvars
, rettv
)
12890 fp
= var2fpos(&argvars
[0], TRUE
, &fnum
);
12893 rettv
->vval
.v_number
= lnum
;
12897 * "line2byte(lnum)" function
12900 f_line2byte(argvars
, rettv
)
12901 typval_T
*argvars UNUSED
;
12904 #ifndef FEAT_BYTEOFF
12905 rettv
->vval
.v_number
= -1;
12909 lnum
= get_tv_lnum(argvars
);
12910 if (lnum
< 1 || lnum
> curbuf
->b_ml
.ml_line_count
+ 1)
12911 rettv
->vval
.v_number
= -1;
12913 rettv
->vval
.v_number
= ml_find_line_or_offset(curbuf
, lnum
, NULL
);
12914 if (rettv
->vval
.v_number
>= 0)
12915 ++rettv
->vval
.v_number
;
12920 * "lispindent(lnum)" function
12923 f_lispindent(argvars
, rettv
)
12931 pos
= curwin
->w_cursor
;
12932 lnum
= get_tv_lnum(argvars
);
12933 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
)
12935 curwin
->w_cursor
.lnum
= lnum
;
12936 rettv
->vval
.v_number
= get_lisp_indent();
12937 curwin
->w_cursor
= pos
;
12941 rettv
->vval
.v_number
= -1;
12945 * "localtime()" function
12948 f_localtime(argvars
, rettv
)
12949 typval_T
*argvars UNUSED
;
12952 rettv
->vval
.v_number
= (varnumber_T
)time(NULL
);
12955 static void get_maparg
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int exact
));
12958 get_maparg(argvars
, rettv
, exact
)
12965 char_u buf
[NUMBUFLEN
];
12966 char_u
*keys_buf
= NULL
;
12972 /* return empty string for failure */
12973 rettv
->v_type
= VAR_STRING
;
12974 rettv
->vval
.v_string
= NULL
;
12976 keys
= get_tv_string(&argvars
[0]);
12980 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
12982 which
= get_tv_string_buf_chk(&argvars
[1], buf
);
12983 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
12984 abbr
= get_tv_number(&argvars
[2]);
12987 which
= (char_u
*)"";
12991 mode
= get_map_mode(&which
, 0);
12993 keys
= replace_termcodes(keys
, &keys_buf
, TRUE
, TRUE
, FALSE
);
12994 rhs
= check_map(keys
, mode
, exact
, FALSE
, abbr
);
12995 vim_free(keys_buf
);
12999 ga
.ga_itemsize
= 1;
13000 ga
.ga_growsize
= 40;
13002 while (*rhs
!= NUL
)
13003 ga_concat(&ga
, str2special(&rhs
, FALSE
));
13005 ga_append(&ga
, NUL
);
13006 rettv
->vval
.v_string
= (char_u
*)ga
.ga_data
;
13012 * "log10()" function
13015 f_log10(argvars
, rettv
)
13021 rettv
->v_type
= VAR_FLOAT
;
13022 if (get_float_arg(argvars
, &f
) == OK
)
13023 rettv
->vval
.v_float
= log10(f
);
13025 rettv
->vval
.v_float
= 0.0;
13033 f_map(argvars
, rettv
)
13037 filter_map(argvars
, rettv
, TRUE
);
13041 * "maparg()" function
13044 f_maparg(argvars
, rettv
)
13048 get_maparg(argvars
, rettv
, TRUE
);
13052 * "mapcheck()" function
13055 f_mapcheck(argvars
, rettv
)
13059 get_maparg(argvars
, rettv
, FALSE
);
13062 static void find_some_match
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int start
));
13065 find_some_match(argvars
, rettv
, type
)
13070 char_u
*str
= NULL
;
13071 char_u
*expr
= NULL
;
13073 regmatch_T regmatch
;
13074 char_u patbuf
[NUMBUFLEN
];
13075 char_u strbuf
[NUMBUFLEN
];
13079 colnr_T startcol
= 0;
13082 listitem_T
*li
= NULL
;
13084 char_u
*tofree
= NULL
;
13086 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
13088 p_cpo
= (char_u
*)"";
13090 rettv
->vval
.v_number
= -1;
13093 /* return empty list when there are no matches */
13094 if (rettv_list_alloc(rettv
) == FAIL
)
13097 else if (type
== 2)
13099 rettv
->v_type
= VAR_STRING
;
13100 rettv
->vval
.v_string
= NULL
;
13103 if (argvars
[0].v_type
== VAR_LIST
)
13105 if ((l
= argvars
[0].vval
.v_list
) == NULL
)
13110 expr
= str
= get_tv_string(&argvars
[0]);
13112 pat
= get_tv_string_buf_chk(&argvars
[1], patbuf
);
13116 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
13120 start
= get_tv_number_chk(&argvars
[2], &error
);
13125 li
= list_find(l
, start
);
13128 idx
= l
->lv_idx
; /* use the cached index */
13134 if (start
> (long)STRLEN(str
))
13136 /* When "count" argument is there ignore matches before "start",
13137 * otherwise skip part of the string. Differs when pattern is "^"
13139 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
13145 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
13146 nth
= get_tv_number_chk(&argvars
[3], &error
);
13151 regmatch
.regprog
= vim_regcomp(pat
, RE_MAGIC
+ RE_STRING
);
13152 if (regmatch
.regprog
!= NULL
)
13154 regmatch
.rm_ic
= p_ic
;
13166 str
= echo_string(&li
->li_tv
, &tofree
, strbuf
, 0);
13171 match
= vim_regexec_nl(®match
, str
, (colnr_T
)startcol
);
13173 if (match
&& --nth
<= 0)
13175 if (l
== NULL
&& !match
)
13178 /* Advance to just after the match. */
13187 startcol
= (colnr_T
)(regmatch
.startp
[0]
13188 + (*mb_ptr2len
)(regmatch
.startp
[0]) - str
);
13190 startcol
= regmatch
.startp
[0] + 1 - str
;
13201 /* return list with matched string and submatches */
13202 for (i
= 0; i
< NSUBEXP
; ++i
)
13204 if (regmatch
.endp
[i
] == NULL
)
13206 if (list_append_string(rettv
->vval
.v_list
,
13207 (char_u
*)"", 0) == FAIL
)
13210 else if (list_append_string(rettv
->vval
.v_list
,
13211 regmatch
.startp
[i
],
13212 (int)(regmatch
.endp
[i
] - regmatch
.startp
[i
]))
13217 else if (type
== 2)
13219 /* return matched string */
13221 copy_tv(&li
->li_tv
, rettv
);
13223 rettv
->vval
.v_string
= vim_strnsave(regmatch
.startp
[0],
13224 (int)(regmatch
.endp
[0] - regmatch
.startp
[0]));
13226 else if (l
!= NULL
)
13227 rettv
->vval
.v_number
= idx
;
13231 rettv
->vval
.v_number
=
13232 (varnumber_T
)(regmatch
.startp
[0] - str
);
13234 rettv
->vval
.v_number
=
13235 (varnumber_T
)(regmatch
.endp
[0] - str
);
13236 rettv
->vval
.v_number
+= (varnumber_T
)(str
- expr
);
13239 vim_free(regmatch
.regprog
);
13248 * "match()" function
13251 f_match(argvars
, rettv
)
13255 find_some_match(argvars
, rettv
, 1);
13259 * "matchadd()" function
13262 f_matchadd(argvars
, rettv
)
13266 #ifdef FEAT_SEARCH_EXTRA
13267 char_u buf
[NUMBUFLEN
];
13268 char_u
*grp
= get_tv_string_buf_chk(&argvars
[0], buf
); /* group */
13269 char_u
*pat
= get_tv_string_buf_chk(&argvars
[1], buf
); /* pattern */
13270 int prio
= 10; /* default priority */
13274 rettv
->vval
.v_number
= -1;
13276 if (grp
== NULL
|| pat
== NULL
)
13278 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
13280 prio
= get_tv_number_chk(&argvars
[2], &error
);
13281 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
13282 id
= get_tv_number_chk(&argvars
[3], &error
);
13286 if (id
>= 1 && id
<= 3)
13288 EMSGN("E798: ID is reserved for \":match\": %ld", id
);
13292 rettv
->vval
.v_number
= match_add(curwin
, grp
, pat
, prio
, id
);
13297 * "matcharg()" function
13300 f_matcharg(argvars
, rettv
)
13304 if (rettv_list_alloc(rettv
) == OK
)
13306 #ifdef FEAT_SEARCH_EXTRA
13307 int id
= get_tv_number(&argvars
[0]);
13310 if (id
>= 1 && id
<= 3)
13312 if ((m
= (matchitem_T
*)get_match(curwin
, id
)) != NULL
)
13314 list_append_string(rettv
->vval
.v_list
,
13315 syn_id2name(m
->hlg_id
), -1);
13316 list_append_string(rettv
->vval
.v_list
, m
->pattern
, -1);
13320 list_append_string(rettv
->vval
.v_list
, NUL
, -1);
13321 list_append_string(rettv
->vval
.v_list
, NUL
, -1);
13329 * "matchdelete()" function
13332 f_matchdelete(argvars
, rettv
)
13336 #ifdef FEAT_SEARCH_EXTRA
13337 rettv
->vval
.v_number
= match_delete(curwin
,
13338 (int)get_tv_number(&argvars
[0]), TRUE
);
13343 * "matchend()" function
13346 f_matchend(argvars
, rettv
)
13350 find_some_match(argvars
, rettv
, 0);
13354 * "matchlist()" function
13357 f_matchlist(argvars
, rettv
)
13361 find_some_match(argvars
, rettv
, 3);
13365 * "matchstr()" function
13368 f_matchstr(argvars
, rettv
)
13372 find_some_match(argvars
, rettv
, 2);
13375 static void max_min
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int domax
));
13378 max_min(argvars
, rettv
, domax
)
13387 if (argvars
[0].v_type
== VAR_LIST
)
13392 l
= argvars
[0].vval
.v_list
;
13398 n
= get_tv_number_chk(&li
->li_tv
, &error
);
13404 i
= get_tv_number_chk(&li
->li_tv
, &error
);
13405 if (domax
? i
> n
: i
< n
)
13411 else if (argvars
[0].v_type
== VAR_DICT
)
13418 d
= argvars
[0].vval
.v_dict
;
13421 todo
= (int)d
->dv_hashtab
.ht_used
;
13422 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
13424 if (!HASHITEM_EMPTY(hi
))
13427 i
= get_tv_number_chk(&HI2DI(hi
)->di_tv
, &error
);
13433 else if (domax
? i
> n
: i
< n
)
13440 EMSG(_(e_listdictarg
));
13441 rettv
->vval
.v_number
= error
? 0 : n
;
13448 f_max(argvars
, rettv
)
13452 max_min(argvars
, rettv
, TRUE
);
13459 f_min(argvars
, rettv
)
13463 max_min(argvars
, rettv
, FALSE
);
13466 static int mkdir_recurse
__ARGS((char_u
*dir
, int prot
));
13469 * Create the directory in which "dir" is located, and higher levels when
13473 mkdir_recurse(dir
, prot
)
13481 /* Get end of directory name in "dir".
13482 * We're done when it's "/" or "c:/". */
13483 p
= gettail_sep(dir
);
13484 if (p
<= get_past_head(dir
))
13487 /* If the directory exists we're done. Otherwise: create it.*/
13488 updir
= vim_strnsave(dir
, (int)(p
- dir
));
13491 if (mch_isdir(updir
))
13493 else if (mkdir_recurse(updir
, prot
) == OK
)
13494 r
= vim_mkdir_emsg(updir
, prot
);
13501 * "mkdir()" function
13504 f_mkdir(argvars
, rettv
)
13509 char_u buf
[NUMBUFLEN
];
13512 rettv
->vval
.v_number
= FAIL
;
13513 if (check_restricted() || check_secure())
13516 dir
= get_tv_string_buf(&argvars
[0], buf
);
13517 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
13519 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
13520 prot
= get_tv_number_chk(&argvars
[2], NULL
);
13521 if (prot
!= -1 && STRCMP(get_tv_string(&argvars
[1]), "p") == 0)
13522 mkdir_recurse(dir
, prot
);
13524 rettv
->vval
.v_number
= prot
!= -1 ? vim_mkdir_emsg(dir
, prot
) : 0;
13529 * "mode()" function
13532 f_mode(argvars
, rettv
)
13545 buf
[0] = VIsual_mode
+ 's' - 'v';
13547 buf
[0] = VIsual_mode
;
13551 if (State
== HITRETURN
|| State
== ASKMORE
|| State
== SETWSIZE
13552 || State
== CONFIRM
)
13555 if (State
== ASKMORE
)
13557 else if (State
== CONFIRM
)
13560 else if (State
== EXTERNCMD
)
13562 else if (State
& INSERT
)
13564 #ifdef FEAT_VREPLACE
13565 if (State
& VREPLACE_FLAG
)
13572 if (State
& REPLACE_FLAG
)
13577 else if (State
& CMDLINE
)
13583 else if (exmode_active
)
13595 /* Clear out the minor mode when the argument is not a non-zero number or
13596 * non-empty string. */
13597 if (!non_zero_arg(&argvars
[0]))
13600 rettv
->vval
.v_string
= vim_strsave(buf
);
13601 rettv
->v_type
= VAR_STRING
;
13604 #ifdef FEAT_MZSCHEME
13606 * "mzeval()" function
13609 f_mzeval(argvars
, rettv
)
13614 char_u buf
[NUMBUFLEN
];
13616 str
= get_tv_string_buf(&argvars
[0], buf
);
13617 do_mzeval(str
, rettv
);
13622 * "nextnonblank()" function
13625 f_nextnonblank(argvars
, rettv
)
13631 for (lnum
= get_tv_lnum(argvars
); ; ++lnum
)
13633 if (lnum
< 0 || lnum
> curbuf
->b_ml
.ml_line_count
)
13638 if (*skipwhite(ml_get(lnum
)) != NUL
)
13641 rettv
->vval
.v_number
= lnum
;
13645 * "nr2char()" function
13648 f_nr2char(argvars
, rettv
)
13652 char_u buf
[NUMBUFLEN
];
13656 buf
[(*mb_char2bytes
)((int)get_tv_number(&argvars
[0]), buf
)] = NUL
;
13660 buf
[0] = (char_u
)get_tv_number(&argvars
[0]);
13663 rettv
->v_type
= VAR_STRING
;
13664 rettv
->vval
.v_string
= vim_strsave(buf
);
13668 * "pathshorten()" function
13671 f_pathshorten(argvars
, rettv
)
13677 rettv
->v_type
= VAR_STRING
;
13678 p
= get_tv_string_chk(&argvars
[0]);
13680 rettv
->vval
.v_string
= NULL
;
13683 p
= vim_strsave(p
);
13684 rettv
->vval
.v_string
= p
;
13695 f_pow(argvars
, rettv
)
13701 rettv
->v_type
= VAR_FLOAT
;
13702 if (get_float_arg(argvars
, &fx
) == OK
13703 && get_float_arg(&argvars
[1], &fy
) == OK
)
13704 rettv
->vval
.v_float
= pow(fx
, fy
);
13706 rettv
->vval
.v_float
= 0.0;
13711 * "prevnonblank()" function
13714 f_prevnonblank(argvars
, rettv
)
13720 lnum
= get_tv_lnum(argvars
);
13721 if (lnum
< 1 || lnum
> curbuf
->b_ml
.ml_line_count
)
13724 while (lnum
>= 1 && *skipwhite(ml_get(lnum
)) == NUL
)
13726 rettv
->vval
.v_number
= lnum
;
13729 #ifdef HAVE_STDARG_H
13730 /* This dummy va_list is here because:
13731 * - passing a NULL pointer doesn't work when va_list isn't a pointer
13732 * - locally in the function results in a "used before set" warning
13733 * - using va_start() to initialize it gives "function with fixed args" error */
13738 * "printf()" function
13741 f_printf(argvars
, rettv
)
13745 rettv
->v_type
= VAR_STRING
;
13746 rettv
->vval
.v_string
= NULL
;
13747 #ifdef HAVE_STDARG_H /* only very old compilers can't do this */
13749 char_u buf
[NUMBUFLEN
];
13752 int saved_did_emsg
= did_emsg
;
13755 /* Get the required length, allocate the buffer and do it for real. */
13757 fmt
= (char *)get_tv_string_buf(&argvars
[0], buf
);
13758 len
= vim_vsnprintf(NULL
, 0, fmt
, ap
, argvars
+ 1);
13761 s
= alloc(len
+ 1);
13764 rettv
->vval
.v_string
= s
;
13765 (void)vim_vsnprintf((char *)s
, len
+ 1, fmt
, ap
, argvars
+ 1);
13768 did_emsg
|= saved_did_emsg
;
13774 * "pumvisible()" function
13777 f_pumvisible(argvars
, rettv
)
13778 typval_T
*argvars UNUSED
;
13779 typval_T
*rettv UNUSED
;
13781 #ifdef FEAT_INS_EXPAND
13783 rettv
->vval
.v_number
= 1;
13788 * "range()" function
13791 f_range(argvars
, rettv
)
13801 start
= get_tv_number_chk(&argvars
[0], &error
);
13802 if (argvars
[1].v_type
== VAR_UNKNOWN
)
13809 end
= get_tv_number_chk(&argvars
[1], &error
);
13810 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
13811 stride
= get_tv_number_chk(&argvars
[2], &error
);
13815 return; /* type error; errmsg already given */
13817 EMSG(_("E726: Stride is zero"));
13818 else if (stride
> 0 ? end
+ 1 < start
: end
- 1 > start
)
13819 EMSG(_("E727: Start past end"));
13822 if (rettv_list_alloc(rettv
) == OK
)
13823 for (i
= start
; stride
> 0 ? i
<= end
: i
>= end
; i
+= stride
)
13824 if (list_append_number(rettv
->vval
.v_list
,
13825 (varnumber_T
)i
) == FAIL
)
13831 * "readfile()" function
13834 f_readfile(argvars
, rettv
)
13838 int binary
= FALSE
;
13842 #define FREAD_SIZE 200 /* optimized for text lines */
13843 char_u buf
[FREAD_SIZE
];
13844 int readlen
; /* size of last fread() */
13845 int buflen
; /* nr of valid chars in buf[] */
13846 int filtd
; /* how much in buf[] was NUL -> '\n' filtered */
13847 int tolist
; /* first byte in buf[] still to be put in list */
13848 int chop
; /* how many CR to chop off */
13849 char_u
*prev
= NULL
; /* previously read bytes, if any */
13850 int prevlen
= 0; /* length of "prev" if not NULL */
13853 long maxline
= MAXLNUM
;
13856 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
13858 if (STRCMP(get_tv_string(&argvars
[1]), "b") == 0)
13860 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
13861 maxline
= get_tv_number(&argvars
[2]);
13864 if (rettv_list_alloc(rettv
) == FAIL
)
13867 /* Always open the file in binary mode, library functions have a mind of
13868 * their own about CR-LF conversion. */
13869 fname
= get_tv_string(&argvars
[0]);
13870 if (*fname
== NUL
|| (fd
= mch_fopen((char *)fname
, READBIN
)) == NULL
)
13872 EMSG2(_(e_notopen
), *fname
== NUL
? (char_u
*)_("<empty>") : fname
);
13877 while (cnt
< maxline
|| maxline
< 0)
13879 readlen
= (int)fread(buf
+ filtd
, 1, FREAD_SIZE
- filtd
, fd
);
13880 buflen
= filtd
+ readlen
;
13882 for ( ; filtd
< buflen
|| readlen
<= 0; ++filtd
)
13884 if (buf
[filtd
] == '\n' || readlen
<= 0)
13886 /* Only when in binary mode add an empty list item when the
13887 * last line ends in a '\n'. */
13888 if (!binary
&& readlen
== 0 && filtd
== 0)
13891 /* Found end-of-line or end-of-file: add a text line to the
13895 while (filtd
- chop
- 1 >= tolist
13896 && buf
[filtd
- chop
- 1] == '\r')
13898 len
= filtd
- tolist
- chop
;
13900 s
= vim_strnsave(buf
+ tolist
, len
);
13903 s
= alloc((unsigned)(prevlen
+ len
+ 1));
13906 mch_memmove(s
, prev
, prevlen
);
13909 mch_memmove(s
+ prevlen
, buf
+ tolist
, len
);
13910 s
[prevlen
+ len
] = NUL
;
13913 tolist
= filtd
+ 1;
13915 li
= listitem_alloc();
13921 li
->li_tv
.v_type
= VAR_STRING
;
13922 li
->li_tv
.v_lock
= 0;
13923 li
->li_tv
.vval
.v_string
= s
;
13924 list_append(rettv
->vval
.v_list
, li
);
13926 if (++cnt
>= maxline
&& maxline
>= 0)
13931 else if (buf
[filtd
] == NUL
)
13939 /* "buf" is full, need to move text to an allocated buffer */
13942 prev
= vim_strnsave(buf
, buflen
);
13947 s
= alloc((unsigned)(prevlen
+ buflen
));
13950 mch_memmove(s
, prev
, prevlen
);
13951 mch_memmove(s
+ prevlen
, buf
, buflen
);
13961 mch_memmove(buf
, buf
+ tolist
, buflen
- tolist
);
13967 * For a negative line count use only the lines at the end of the file,
13971 while (cnt
> -maxline
)
13973 listitem_remove(rettv
->vval
.v_list
, rettv
->vval
.v_list
->lv_first
);
13981 #if defined(FEAT_RELTIME)
13982 static int list2proftime
__ARGS((typval_T
*arg
, proftime_T
*tm
));
13985 * Convert a List to proftime_T.
13986 * Return FAIL when there is something wrong.
13989 list2proftime(arg
, tm
)
13996 if (arg
->v_type
!= VAR_LIST
|| arg
->vval
.v_list
== NULL
13997 || arg
->vval
.v_list
->lv_len
!= 2)
13999 n1
= list_find_nr(arg
->vval
.v_list
, 0L, &error
);
14000 n2
= list_find_nr(arg
->vval
.v_list
, 1L, &error
);
14008 return error
? FAIL
: OK
;
14010 #endif /* FEAT_RELTIME */
14013 * "reltime()" function
14016 f_reltime(argvars
, rettv
)
14020 #ifdef FEAT_RELTIME
14024 if (argvars
[0].v_type
== VAR_UNKNOWN
)
14026 /* No arguments: get current time. */
14027 profile_start(&res
);
14029 else if (argvars
[1].v_type
== VAR_UNKNOWN
)
14031 if (list2proftime(&argvars
[0], &res
) == FAIL
)
14037 /* Two arguments: compute the difference. */
14038 if (list2proftime(&argvars
[0], &start
) == FAIL
14039 || list2proftime(&argvars
[1], &res
) == FAIL
)
14041 profile_sub(&res
, &start
);
14044 if (rettv_list_alloc(rettv
) == OK
)
14055 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)n1
);
14056 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)n2
);
14062 * "reltimestr()" function
14065 f_reltimestr(argvars
, rettv
)
14069 #ifdef FEAT_RELTIME
14073 rettv
->v_type
= VAR_STRING
;
14074 rettv
->vval
.v_string
= NULL
;
14075 #ifdef FEAT_RELTIME
14076 if (list2proftime(&argvars
[0], &tm
) == OK
)
14077 rettv
->vval
.v_string
= vim_strsave((char_u
*)profile_msg(&tm
));
14081 #if defined(FEAT_CLIENTSERVER) && defined(FEAT_X11)
14082 static void make_connection
__ARGS((void));
14083 static int check_connection
__ARGS((void));
14088 if (X_DISPLAY
== NULL
14094 x_force_connect
= TRUE
;
14096 x_force_connect
= FALSE
;
14104 if (X_DISPLAY
== NULL
)
14106 EMSG(_("E240: No connection to Vim server"));
14113 #ifdef FEAT_CLIENTSERVER
14114 static void remote_common
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int expr
));
14117 remote_common(argvars
, rettv
, expr
)
14122 char_u
*server_name
;
14125 char_u buf
[NUMBUFLEN
];
14132 if (check_restricted() || check_secure())
14136 if (check_connection() == FAIL
)
14140 server_name
= get_tv_string_chk(&argvars
[0]);
14141 if (server_name
== NULL
)
14142 return; /* type error; errmsg already given */
14143 keys
= get_tv_string_buf(&argvars
[1], buf
);
14145 if (serverSendToVim(server_name
, keys
, &r
, &w
, expr
, TRUE
) < 0)
14147 if (serverSendToVim(X_DISPLAY
, server_name
, keys
, &r
, &w
, expr
, 0, TRUE
)
14152 EMSG(r
); /* sending worked but evaluation failed */
14154 EMSG2(_("E241: Unable to send to %s"), server_name
);
14158 rettv
->vval
.v_string
= r
;
14160 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
14166 sprintf((char *)str
, PRINTF_HEX_LONG_U
, (long_u
)w
);
14167 v
.di_tv
.v_type
= VAR_STRING
;
14168 v
.di_tv
.vval
.v_string
= vim_strsave(str
);
14169 idvar
= get_tv_string_chk(&argvars
[2]);
14171 set_var(idvar
, &v
.di_tv
, FALSE
);
14172 vim_free(v
.di_tv
.vval
.v_string
);
14178 * "remote_expr()" function
14181 f_remote_expr(argvars
, rettv
)
14182 typval_T
*argvars UNUSED
;
14185 rettv
->v_type
= VAR_STRING
;
14186 rettv
->vval
.v_string
= NULL
;
14187 #ifdef FEAT_CLIENTSERVER
14188 remote_common(argvars
, rettv
, TRUE
);
14193 * "remote_foreground()" function
14196 f_remote_foreground(argvars
, rettv
)
14197 typval_T
*argvars UNUSED
;
14198 typval_T
*rettv UNUSED
;
14200 #ifdef FEAT_CLIENTSERVER
14202 /* On Win32 it's done in this application. */
14204 char_u
*server_name
= get_tv_string_chk(&argvars
[0]);
14206 if (server_name
!= NULL
)
14207 serverForeground(server_name
);
14210 /* Send a foreground() expression to the server. */
14211 argvars
[1].v_type
= VAR_STRING
;
14212 argvars
[1].vval
.v_string
= vim_strsave((char_u
*)"foreground()");
14213 argvars
[2].v_type
= VAR_UNKNOWN
;
14214 remote_common(argvars
, rettv
, TRUE
);
14215 vim_free(argvars
[1].vval
.v_string
);
14221 f_remote_peek(argvars
, rettv
)
14222 typval_T
*argvars UNUSED
;
14225 #ifdef FEAT_CLIENTSERVER
14233 if (check_restricted() || check_secure())
14235 rettv
->vval
.v_number
= -1;
14238 serverid
= get_tv_string_chk(&argvars
[0]);
14239 if (serverid
== NULL
)
14241 rettv
->vval
.v_number
= -1;
14242 return; /* type error; errmsg already given */
14245 sscanf(serverid
, SCANF_HEX_LONG_U
, &n
);
14247 rettv
->vval
.v_number
= -1;
14250 s
= serverGetReply((HWND
)n
, FALSE
, FALSE
, FALSE
);
14251 rettv
->vval
.v_number
= (s
!= NULL
);
14254 if (check_connection() == FAIL
)
14257 rettv
->vval
.v_number
= serverPeekReply(X_DISPLAY
,
14258 serverStrToWin(serverid
), &s
);
14261 if (argvars
[1].v_type
!= VAR_UNKNOWN
&& rettv
->vval
.v_number
> 0)
14265 v
.di_tv
.v_type
= VAR_STRING
;
14266 v
.di_tv
.vval
.v_string
= vim_strsave(s
);
14267 retvar
= get_tv_string_chk(&argvars
[1]);
14268 if (retvar
!= NULL
)
14269 set_var(retvar
, &v
.di_tv
, FALSE
);
14270 vim_free(v
.di_tv
.vval
.v_string
);
14273 rettv
->vval
.v_number
= -1;
14278 f_remote_read(argvars
, rettv
)
14279 typval_T
*argvars UNUSED
;
14284 #ifdef FEAT_CLIENTSERVER
14285 char_u
*serverid
= get_tv_string_chk(&argvars
[0]);
14287 if (serverid
!= NULL
&& !check_restricted() && !check_secure())
14290 /* The server's HWND is encoded in the 'id' parameter */
14293 sscanf(serverid
, SCANF_HEX_LONG_U
, &n
);
14295 r
= serverGetReply((HWND
)n
, FALSE
, TRUE
, TRUE
);
14298 if (check_connection() == FAIL
|| serverReadReply(X_DISPLAY
,
14299 serverStrToWin(serverid
), &r
, FALSE
) < 0)
14301 EMSG(_("E277: Unable to read a server reply"));
14304 rettv
->v_type
= VAR_STRING
;
14305 rettv
->vval
.v_string
= r
;
14309 * "remote_send()" function
14312 f_remote_send(argvars
, rettv
)
14313 typval_T
*argvars UNUSED
;
14316 rettv
->v_type
= VAR_STRING
;
14317 rettv
->vval
.v_string
= NULL
;
14318 #ifdef FEAT_CLIENTSERVER
14319 remote_common(argvars
, rettv
, FALSE
);
14324 * "remove()" function
14327 f_remove(argvars
, rettv
)
14332 listitem_T
*item
, *item2
;
14340 if (argvars
[0].v_type
== VAR_DICT
)
14342 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
14343 EMSG2(_(e_toomanyarg
), "remove()");
14344 else if ((d
= argvars
[0].vval
.v_dict
) != NULL
14345 && !tv_check_lock(d
->dv_lock
, (char_u
*)"remove() argument"))
14347 key
= get_tv_string_chk(&argvars
[1]);
14350 di
= dict_find(d
, key
, -1);
14352 EMSG2(_(e_dictkey
), key
);
14355 *rettv
= di
->di_tv
;
14356 init_tv(&di
->di_tv
);
14357 dictitem_remove(d
, di
);
14362 else if (argvars
[0].v_type
!= VAR_LIST
)
14363 EMSG2(_(e_listdictarg
), "remove()");
14364 else if ((l
= argvars
[0].vval
.v_list
) != NULL
14365 && !tv_check_lock(l
->lv_lock
, (char_u
*)"remove() argument"))
14369 idx
= get_tv_number_chk(&argvars
[1], &error
);
14371 ; /* type error: do nothing, errmsg already given */
14372 else if ((item
= list_find(l
, idx
)) == NULL
)
14373 EMSGN(_(e_listidx
), idx
);
14376 if (argvars
[2].v_type
== VAR_UNKNOWN
)
14378 /* Remove one item, return its value. */
14379 list_remove(l
, item
, item
);
14380 *rettv
= item
->li_tv
;
14385 /* Remove range of items, return list with values. */
14386 end
= get_tv_number_chk(&argvars
[2], &error
);
14388 ; /* type error: do nothing */
14389 else if ((item2
= list_find(l
, end
)) == NULL
)
14390 EMSGN(_(e_listidx
), end
);
14395 for (li
= item
; li
!= NULL
; li
= li
->li_next
)
14401 if (li
== NULL
) /* didn't find "item2" after "item" */
14402 EMSG(_(e_invrange
));
14405 list_remove(l
, item
, item2
);
14406 if (rettv_list_alloc(rettv
) == OK
)
14408 l
= rettv
->vval
.v_list
;
14409 l
->lv_first
= item
;
14410 l
->lv_last
= item2
;
14411 item
->li_prev
= NULL
;
14412 item2
->li_next
= NULL
;
14423 * "rename({from}, {to})" function
14426 f_rename(argvars
, rettv
)
14430 char_u buf
[NUMBUFLEN
];
14432 if (check_restricted() || check_secure())
14433 rettv
->vval
.v_number
= -1;
14435 rettv
->vval
.v_number
= vim_rename(get_tv_string(&argvars
[0]),
14436 get_tv_string_buf(&argvars
[1], buf
));
14440 * "repeat()" function
14443 f_repeat(argvars
, rettv
)
14454 n
= get_tv_number(&argvars
[1]);
14455 if (argvars
[0].v_type
== VAR_LIST
)
14457 if (rettv_list_alloc(rettv
) == OK
&& argvars
[0].vval
.v_list
!= NULL
)
14459 if (list_extend(rettv
->vval
.v_list
,
14460 argvars
[0].vval
.v_list
, NULL
) == FAIL
)
14465 p
= get_tv_string(&argvars
[0]);
14466 rettv
->v_type
= VAR_STRING
;
14467 rettv
->vval
.v_string
= NULL
;
14469 slen
= (int)STRLEN(p
);
14474 r
= alloc(len
+ 1);
14477 for (i
= 0; i
< n
; i
++)
14478 mch_memmove(r
+ i
* slen
, p
, (size_t)slen
);
14482 rettv
->vval
.v_string
= r
;
14487 * "resolve()" function
14490 f_resolve(argvars
, rettv
)
14496 p
= get_tv_string(&argvars
[0]);
14497 #ifdef FEAT_SHORTCUT
14501 v
= mch_resolve_shortcut(p
);
14503 rettv
->vval
.v_string
= v
;
14505 rettv
->vval
.v_string
= vim_strsave(p
);
14508 # ifdef HAVE_READLINK
14510 char_u buf
[MAXPATHL
+ 1];
14513 char_u
*remain
= NULL
;
14515 int is_relative_to_current
= FALSE
;
14516 int has_trailing_pathsep
= FALSE
;
14519 p
= vim_strsave(p
);
14521 if (p
[0] == '.' && (vim_ispathsep(p
[1])
14522 || (p
[1] == '.' && (vim_ispathsep(p
[2])))))
14523 is_relative_to_current
= TRUE
;
14526 if (len
> 0 && after_pathsep(p
, p
+ len
))
14527 has_trailing_pathsep
= TRUE
;
14529 q
= getnextcomp(p
);
14532 /* Separate the first path component in "p", and keep the
14533 * remainder (beginning with the path separator). */
14534 remain
= vim_strsave(q
- 1);
14542 len
= readlink((char *)p
, (char *)buf
, MAXPATHL
);
14551 EMSG(_("E655: Too many symbolic links (cycle?)"));
14552 rettv
->vval
.v_string
= NULL
;
14556 /* Ensure that the result will have a trailing path separator
14557 * if the argument has one. */
14558 if (remain
== NULL
&& has_trailing_pathsep
)
14561 /* Separate the first path component in the link value and
14562 * concatenate the remainders. */
14563 q
= getnextcomp(vim_ispathsep(*buf
) ? buf
+ 1 : buf
);
14566 if (remain
== NULL
)
14567 remain
= vim_strsave(q
- 1);
14570 cpy
= concat_str(q
- 1, remain
);
14581 if (q
> p
&& *q
== NUL
)
14583 /* Ignore trailing path separator. */
14587 if (q
> p
&& !mch_isFullName(buf
))
14589 /* symlink is relative to directory of argument */
14590 cpy
= alloc((unsigned)(STRLEN(p
) + STRLEN(buf
) + 1));
14594 STRCPY(gettail(cpy
), buf
);
14602 p
= vim_strsave(buf
);
14606 if (remain
== NULL
)
14609 /* Append the first path component of "remain" to "p". */
14610 q
= getnextcomp(remain
+ 1);
14611 len
= q
- remain
- (*q
!= NUL
);
14612 cpy
= vim_strnsave(p
, STRLEN(p
) + len
);
14615 STRNCAT(cpy
, remain
, len
);
14619 /* Shorten "remain". */
14621 STRMOVE(remain
, q
- 1);
14629 /* If the result is a relative path name, make it explicitly relative to
14630 * the current directory if and only if the argument had this form. */
14631 if (!vim_ispathsep(*p
))
14633 if (is_relative_to_current
14637 || vim_ispathsep(p
[1])
14640 || vim_ispathsep(p
[2]))))))
14642 /* Prepend "./". */
14643 cpy
= concat_str((char_u
*)"./", p
);
14650 else if (!is_relative_to_current
)
14652 /* Strip leading "./". */
14654 while (q
[0] == '.' && vim_ispathsep(q
[1]))
14661 /* Ensure that the result will have no trailing path separator
14662 * if the argument had none. But keep "/" or "//". */
14663 if (!has_trailing_pathsep
)
14666 if (after_pathsep(p
, q
))
14667 *gettail_sep(p
) = NUL
;
14670 rettv
->vval
.v_string
= p
;
14673 rettv
->vval
.v_string
= vim_strsave(p
);
14677 simplify_filename(rettv
->vval
.v_string
);
14679 #ifdef HAVE_READLINK
14682 rettv
->v_type
= VAR_STRING
;
14686 * "reverse({list})" function
14689 f_reverse(argvars
, rettv
)
14694 listitem_T
*li
, *ni
;
14696 if (argvars
[0].v_type
!= VAR_LIST
)
14697 EMSG2(_(e_listarg
), "reverse()");
14698 else if ((l
= argvars
[0].vval
.v_list
) != NULL
14699 && !tv_check_lock(l
->lv_lock
, (char_u
*)"reverse()"))
14702 l
->lv_first
= l
->lv_last
= NULL
;
14707 list_append(l
, li
);
14710 rettv
->vval
.v_list
= l
;
14711 rettv
->v_type
= VAR_LIST
;
14713 l
->lv_idx
= l
->lv_len
- l
->lv_idx
- 1;
14717 #define SP_NOMOVE 0x01 /* don't move cursor */
14718 #define SP_REPEAT 0x02 /* repeat to find outer pair */
14719 #define SP_RETCOUNT 0x04 /* return matchcount */
14720 #define SP_SETPCMARK 0x08 /* set previous context mark */
14721 #define SP_START 0x10 /* accept match at start position */
14722 #define SP_SUBPAT 0x20 /* return nr of matching sub-pattern */
14723 #define SP_END 0x40 /* leave cursor at end of match */
14725 static int get_search_arg
__ARGS((typval_T
*varp
, int *flagsp
));
14728 * Get flags for a search function.
14729 * Possibly sets "p_ws".
14730 * Returns BACKWARD, FORWARD or zero (for an error).
14733 get_search_arg(varp
, flagsp
)
14739 char_u nbuf
[NUMBUFLEN
];
14742 if (varp
->v_type
!= VAR_UNKNOWN
)
14744 flags
= get_tv_string_buf_chk(varp
, nbuf
);
14746 return 0; /* type error; errmsg already given */
14747 while (*flags
!= NUL
)
14751 case 'b': dir
= BACKWARD
; break;
14752 case 'w': p_ws
= TRUE
; break;
14753 case 'W': p_ws
= FALSE
; break;
14755 if (flagsp
!= NULL
)
14758 case 'c': mask
= SP_START
; break;
14759 case 'e': mask
= SP_END
; break;
14760 case 'm': mask
= SP_RETCOUNT
; break;
14761 case 'n': mask
= SP_NOMOVE
; break;
14762 case 'p': mask
= SP_SUBPAT
; break;
14763 case 'r': mask
= SP_REPEAT
; break;
14764 case 's': mask
= SP_SETPCMARK
; break;
14768 EMSG2(_(e_invarg2
), flags
);
14783 * Shared by search() and searchpos() functions
14786 search_cmn(argvars
, match_pos
, flagsp
)
14795 int save_p_ws
= p_ws
;
14797 int retval
= 0; /* default: FAIL */
14798 long lnum_stop
= 0;
14800 #ifdef FEAT_RELTIME
14801 long time_limit
= 0;
14803 int options
= SEARCH_KEEP
;
14806 pat
= get_tv_string(&argvars
[0]);
14807 dir
= get_search_arg(&argvars
[1], flagsp
); /* may set p_ws */
14811 if (flags
& SP_START
)
14812 options
|= SEARCH_START
;
14813 if (flags
& SP_END
)
14814 options
|= SEARCH_END
;
14816 /* Optional arguments: line number to stop searching and timeout. */
14817 if (argvars
[1].v_type
!= VAR_UNKNOWN
&& argvars
[2].v_type
!= VAR_UNKNOWN
)
14819 lnum_stop
= get_tv_number_chk(&argvars
[2], NULL
);
14822 #ifdef FEAT_RELTIME
14823 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
14825 time_limit
= get_tv_number_chk(&argvars
[3], NULL
);
14826 if (time_limit
< 0)
14832 #ifdef FEAT_RELTIME
14833 /* Set the time limit, if there is one. */
14834 profile_setlimit(time_limit
, &tm
);
14838 * This function does not accept SP_REPEAT and SP_RETCOUNT flags.
14839 * Check to make sure only those flags are set.
14840 * Also, Only the SP_NOMOVE or the SP_SETPCMARK flag can be set. Both
14841 * flags cannot be set. Check for that condition also.
14843 if (((flags
& (SP_REPEAT
| SP_RETCOUNT
)) != 0)
14844 || ((flags
& SP_NOMOVE
) && (flags
& SP_SETPCMARK
)))
14846 EMSG2(_(e_invarg2
), get_tv_string(&argvars
[1]));
14850 pos
= save_cursor
= curwin
->w_cursor
;
14851 subpatnum
= searchit(curwin
, curbuf
, &pos
, dir
, pat
, 1L,
14852 options
, RE_SEARCH
, (linenr_T
)lnum_stop
, &tm
);
14853 if (subpatnum
!= FAIL
)
14855 if (flags
& SP_SUBPAT
)
14856 retval
= subpatnum
;
14859 if (flags
& SP_SETPCMARK
)
14861 curwin
->w_cursor
= pos
;
14862 if (match_pos
!= NULL
)
14864 /* Store the match cursor position */
14865 match_pos
->lnum
= pos
.lnum
;
14866 match_pos
->col
= pos
.col
+ 1;
14868 /* "/$" will put the cursor after the end of the line, may need to
14869 * correct that here */
14873 /* If 'n' flag is used: restore cursor position. */
14874 if (flags
& SP_NOMOVE
)
14875 curwin
->w_cursor
= save_cursor
;
14877 curwin
->w_set_curswant
= TRUE
;
14886 * "round({float})" function
14889 f_round(argvars
, rettv
)
14895 rettv
->v_type
= VAR_FLOAT
;
14896 if (get_float_arg(argvars
, &f
) == OK
)
14897 /* round() is not in C90, use ceil() or floor() instead. */
14898 rettv
->vval
.v_float
= f
> 0 ? floor(f
+ 0.5) : ceil(f
- 0.5);
14900 rettv
->vval
.v_float
= 0.0;
14905 * "search()" function
14908 f_search(argvars
, rettv
)
14914 rettv
->vval
.v_number
= search_cmn(argvars
, NULL
, &flags
);
14918 * "searchdecl()" function
14921 f_searchdecl(argvars
, rettv
)
14930 rettv
->vval
.v_number
= 1; /* default: FAIL */
14932 name
= get_tv_string_chk(&argvars
[0]);
14933 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
14935 locally
= get_tv_number_chk(&argvars
[1], &error
) == 0;
14936 if (!error
&& argvars
[2].v_type
!= VAR_UNKNOWN
)
14937 thisblock
= get_tv_number_chk(&argvars
[2], &error
) != 0;
14939 if (!error
&& name
!= NULL
)
14940 rettv
->vval
.v_number
= find_decl(name
, (int)STRLEN(name
),
14941 locally
, thisblock
, SEARCH_KEEP
) == FAIL
;
14945 * Used by searchpair() and searchpairpos()
14948 searchpair_cmn(argvars
, match_pos
)
14952 char_u
*spat
, *mpat
, *epat
;
14954 int save_p_ws
= p_ws
;
14957 char_u nbuf1
[NUMBUFLEN
];
14958 char_u nbuf2
[NUMBUFLEN
];
14959 char_u nbuf3
[NUMBUFLEN
];
14960 int retval
= 0; /* default: FAIL */
14961 long lnum_stop
= 0;
14962 long time_limit
= 0;
14964 /* Get the three pattern arguments: start, middle, end. */
14965 spat
= get_tv_string_chk(&argvars
[0]);
14966 mpat
= get_tv_string_buf_chk(&argvars
[1], nbuf1
);
14967 epat
= get_tv_string_buf_chk(&argvars
[2], nbuf2
);
14968 if (spat
== NULL
|| mpat
== NULL
|| epat
== NULL
)
14969 goto theend
; /* type error */
14971 /* Handle the optional fourth argument: flags */
14972 dir
= get_search_arg(&argvars
[3], &flags
); /* may set p_ws */
14976 /* Don't accept SP_END or SP_SUBPAT.
14977 * Only one of the SP_NOMOVE or SP_SETPCMARK flags can be set.
14979 if ((flags
& (SP_END
| SP_SUBPAT
)) != 0
14980 || ((flags
& SP_NOMOVE
) && (flags
& SP_SETPCMARK
)))
14982 EMSG2(_(e_invarg2
), get_tv_string(&argvars
[3]));
14986 /* Using 'r' implies 'W', otherwise it doesn't work. */
14987 if (flags
& SP_REPEAT
)
14990 /* Optional fifth argument: skip expression */
14991 if (argvars
[3].v_type
== VAR_UNKNOWN
14992 || argvars
[4].v_type
== VAR_UNKNOWN
)
14993 skip
= (char_u
*)"";
14996 skip
= get_tv_string_buf_chk(&argvars
[4], nbuf3
);
14997 if (argvars
[5].v_type
!= VAR_UNKNOWN
)
14999 lnum_stop
= get_tv_number_chk(&argvars
[5], NULL
);
15002 #ifdef FEAT_RELTIME
15003 if (argvars
[6].v_type
!= VAR_UNKNOWN
)
15005 time_limit
= get_tv_number_chk(&argvars
[6], NULL
);
15006 if (time_limit
< 0)
15013 goto theend
; /* type error */
15015 retval
= do_searchpair(spat
, mpat
, epat
, dir
, skip
, flags
,
15016 match_pos
, lnum_stop
, time_limit
);
15025 * "searchpair()" function
15028 f_searchpair(argvars
, rettv
)
15032 rettv
->vval
.v_number
= searchpair_cmn(argvars
, NULL
);
15036 * "searchpairpos()" function
15039 f_searchpairpos(argvars
, rettv
)
15047 if (rettv_list_alloc(rettv
) == FAIL
)
15050 if (searchpair_cmn(argvars
, &match_pos
) > 0)
15052 lnum
= match_pos
.lnum
;
15053 col
= match_pos
.col
;
15056 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)lnum
);
15057 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)col
);
15061 * Search for a start/middle/end thing.
15062 * Used by searchpair(), see its documentation for the details.
15063 * Returns 0 or -1 for no match,
15066 do_searchpair(spat
, mpat
, epat
, dir
, skip
, flags
, match_pos
,
15067 lnum_stop
, time_limit
)
15068 char_u
*spat
; /* start pattern */
15069 char_u
*mpat
; /* middle pattern */
15070 char_u
*epat
; /* end pattern */
15071 int dir
; /* BACKWARD or FORWARD */
15072 char_u
*skip
; /* skip expression */
15073 int flags
; /* SP_SETPCMARK and other SP_ values */
15075 linenr_T lnum_stop
; /* stop at this line if not zero */
15076 long time_limit
; /* stop after this many msec */
15079 char_u
*pat
, *pat2
= NULL
, *pat3
= NULL
;
15090 int options
= SEARCH_KEEP
;
15093 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
15095 p_cpo
= empty_option
;
15097 #ifdef FEAT_RELTIME
15098 /* Set the time limit, if there is one. */
15099 profile_setlimit(time_limit
, &tm
);
15102 /* Make two search patterns: start/end (pat2, for in nested pairs) and
15103 * start/middle/end (pat3, for the top pair). */
15104 pat2
= alloc((unsigned)(STRLEN(spat
) + STRLEN(epat
) + 15));
15105 pat3
= alloc((unsigned)(STRLEN(spat
) + STRLEN(mpat
) + STRLEN(epat
) + 23));
15106 if (pat2
== NULL
|| pat3
== NULL
)
15108 sprintf((char *)pat2
, "\\(%s\\m\\)\\|\\(%s\\m\\)", spat
, epat
);
15110 STRCPY(pat3
, pat2
);
15112 sprintf((char *)pat3
, "\\(%s\\m\\)\\|\\(%s\\m\\)\\|\\(%s\\m\\)",
15114 if (flags
& SP_START
)
15115 options
|= SEARCH_START
;
15117 save_cursor
= curwin
->w_cursor
;
15118 pos
= curwin
->w_cursor
;
15119 clearpos(&firstpos
);
15120 clearpos(&foundpos
);
15124 n
= searchit(curwin
, curbuf
, &pos
, dir
, pat
, 1L,
15125 options
, RE_SEARCH
, lnum_stop
, &tm
);
15126 if (n
== FAIL
|| (firstpos
.lnum
!= 0 && equalpos(pos
, firstpos
)))
15127 /* didn't find it or found the first match again: FAIL */
15130 if (firstpos
.lnum
== 0)
15132 if (equalpos(pos
, foundpos
))
15134 /* Found the same position again. Can happen with a pattern that
15135 * has "\zs" at the end and searching backwards. Advance one
15136 * character and try again. */
15137 if (dir
== BACKWARD
)
15144 /* clear the start flag to avoid getting stuck here */
15145 options
&= ~SEARCH_START
;
15147 /* If the skip pattern matches, ignore this match. */
15150 save_pos
= curwin
->w_cursor
;
15151 curwin
->w_cursor
= pos
;
15152 r
= eval_to_bool(skip
, &err
, NULL
, FALSE
);
15153 curwin
->w_cursor
= save_pos
;
15156 /* Evaluating {skip} caused an error, break here. */
15157 curwin
->w_cursor
= save_cursor
;
15165 if ((dir
== BACKWARD
&& n
== 3) || (dir
== FORWARD
&& n
== 2))
15167 /* Found end when searching backwards or start when searching
15168 * forward: nested pair. */
15170 pat
= pat2
; /* nested, don't search for middle */
15174 /* Found end when searching forward or start when searching
15175 * backward: end of (nested) pair; or found middle in outer pair. */
15177 pat
= pat3
; /* outer level, search for middle */
15182 /* Found the match: return matchcount or line number. */
15183 if (flags
& SP_RETCOUNT
)
15187 if (flags
& SP_SETPCMARK
)
15189 curwin
->w_cursor
= pos
;
15190 if (!(flags
& SP_REPEAT
))
15192 nest
= 1; /* search for next unmatched */
15196 if (match_pos
!= NULL
)
15198 /* Store the match cursor position */
15199 match_pos
->lnum
= curwin
->w_cursor
.lnum
;
15200 match_pos
->col
= curwin
->w_cursor
.col
+ 1;
15203 /* If 'n' flag is used or search failed: restore cursor position. */
15204 if ((flags
& SP_NOMOVE
) || retval
== 0)
15205 curwin
->w_cursor
= save_cursor
;
15210 if (p_cpo
== empty_option
)
15213 /* Darn, evaluating the {skip} expression changed the value. */
15214 free_string_option(save_cpo
);
15220 * "searchpos()" function
15223 f_searchpos(argvars
, rettv
)
15233 if (rettv_list_alloc(rettv
) == FAIL
)
15236 n
= search_cmn(argvars
, &match_pos
, &flags
);
15239 lnum
= match_pos
.lnum
;
15240 col
= match_pos
.col
;
15243 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)lnum
);
15244 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)col
);
15245 if (flags
& SP_SUBPAT
)
15246 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)n
);
15251 f_server2client(argvars
, rettv
)
15252 typval_T
*argvars UNUSED
;
15255 #ifdef FEAT_CLIENTSERVER
15256 char_u buf
[NUMBUFLEN
];
15257 char_u
*server
= get_tv_string_chk(&argvars
[0]);
15258 char_u
*reply
= get_tv_string_buf_chk(&argvars
[1], buf
);
15260 rettv
->vval
.v_number
= -1;
15261 if (server
== NULL
|| reply
== NULL
)
15263 if (check_restricted() || check_secure())
15266 if (check_connection() == FAIL
)
15270 if (serverSendReply(server
, reply
) < 0)
15272 EMSG(_("E258: Unable to send to client"));
15275 rettv
->vval
.v_number
= 0;
15277 rettv
->vval
.v_number
= -1;
15282 f_serverlist(argvars
, rettv
)
15283 typval_T
*argvars UNUSED
;
15288 #ifdef FEAT_CLIENTSERVER
15290 r
= serverGetVimNames();
15293 if (X_DISPLAY
!= NULL
)
15294 r
= serverGetVimNames(X_DISPLAY
);
15297 rettv
->v_type
= VAR_STRING
;
15298 rettv
->vval
.v_string
= r
;
15302 * "setbufvar()" function
15305 f_setbufvar(argvars
, rettv
)
15307 typval_T
*rettv UNUSED
;
15311 char_u
*varname
, *bufvarname
;
15313 char_u nbuf
[NUMBUFLEN
];
15315 if (check_restricted() || check_secure())
15317 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
15318 varname
= get_tv_string_chk(&argvars
[1]);
15319 buf
= get_buf_tv(&argvars
[0]);
15320 varp
= &argvars
[2];
15322 if (buf
!= NULL
&& varname
!= NULL
&& varp
!= NULL
)
15324 /* set curbuf to be our buf, temporarily */
15325 aucmd_prepbuf(&aco
, buf
);
15327 if (*varname
== '&')
15334 numval
= get_tv_number_chk(varp
, &error
);
15335 strval
= get_tv_string_buf_chk(varp
, nbuf
);
15336 if (!error
&& strval
!= NULL
)
15337 set_option_value(varname
, numval
, strval
, OPT_LOCAL
);
15341 bufvarname
= alloc((unsigned)STRLEN(varname
) + 3);
15342 if (bufvarname
!= NULL
)
15344 STRCPY(bufvarname
, "b:");
15345 STRCPY(bufvarname
+ 2, varname
);
15346 set_var(bufvarname
, varp
, TRUE
);
15347 vim_free(bufvarname
);
15351 /* reset notion of buffer */
15352 aucmd_restbuf(&aco
);
15357 * "setcmdpos()" function
15360 f_setcmdpos(argvars
, rettv
)
15364 int pos
= (int)get_tv_number(&argvars
[0]) - 1;
15367 rettv
->vval
.v_number
= set_cmdline_pos(pos
);
15371 * "setline()" function
15374 f_setline(argvars
, rettv
)
15379 char_u
*line
= NULL
;
15381 listitem_T
*li
= NULL
;
15383 linenr_T lcount
= curbuf
->b_ml
.ml_line_count
;
15385 lnum
= get_tv_lnum(&argvars
[0]);
15386 if (argvars
[1].v_type
== VAR_LIST
)
15388 l
= argvars
[1].vval
.v_list
;
15392 line
= get_tv_string_chk(&argvars
[1]);
15394 /* default result is zero == OK */
15399 /* list argument, get next string */
15402 line
= get_tv_string_chk(&li
->li_tv
);
15406 rettv
->vval
.v_number
= 1; /* FAIL */
15407 if (line
== NULL
|| lnum
< 1 || lnum
> curbuf
->b_ml
.ml_line_count
+ 1)
15409 if (lnum
<= curbuf
->b_ml
.ml_line_count
)
15411 /* existing line, replace it */
15412 if (u_savesub(lnum
) == OK
&& ml_replace(lnum
, line
, TRUE
) == OK
)
15414 changed_bytes(lnum
, 0);
15415 if (lnum
== curwin
->w_cursor
.lnum
)
15416 check_cursor_col();
15417 rettv
->vval
.v_number
= 0; /* OK */
15420 else if (added
> 0 || u_save(lnum
- 1, lnum
) == OK
)
15422 /* lnum is one past the last line, append the line */
15424 if (ml_append(lnum
- 1, line
, (colnr_T
)0, FALSE
) == OK
)
15425 rettv
->vval
.v_number
= 0; /* OK */
15428 if (l
== NULL
) /* only one string argument */
15434 appended_lines_mark(lcount
, added
);
15437 static void set_qf_ll_list
__ARGS((win_T
*wp
, typval_T
*list_arg
, typval_T
*action_arg
, typval_T
*rettv
));
15440 * Used by "setqflist()" and "setloclist()" functions
15443 set_qf_ll_list(wp
, list_arg
, action_arg
, rettv
)
15445 typval_T
*list_arg UNUSED
;
15446 typval_T
*action_arg UNUSED
;
15449 #ifdef FEAT_QUICKFIX
15454 rettv
->vval
.v_number
= -1;
15456 #ifdef FEAT_QUICKFIX
15457 if (list_arg
->v_type
!= VAR_LIST
)
15458 EMSG(_(e_listreq
));
15461 list_T
*l
= list_arg
->vval
.v_list
;
15463 if (action_arg
->v_type
== VAR_STRING
)
15465 act
= get_tv_string_chk(action_arg
);
15467 return; /* type error; errmsg already given */
15468 if (*act
== 'a' || *act
== 'r')
15472 if (l
!= NULL
&& set_errorlist(wp
, l
, action
) == OK
)
15473 rettv
->vval
.v_number
= 0;
15479 * "setloclist()" function
15482 f_setloclist(argvars
, rettv
)
15488 rettv
->vval
.v_number
= -1;
15490 win
= find_win_by_nr(&argvars
[0], NULL
);
15492 set_qf_ll_list(win
, &argvars
[1], &argvars
[2], rettv
);
15496 * "setmatches()" function
15499 f_setmatches(argvars
, rettv
)
15503 #ifdef FEAT_SEARCH_EXTRA
15508 rettv
->vval
.v_number
= -1;
15509 if (argvars
[0].v_type
!= VAR_LIST
)
15511 EMSG(_(e_listreq
));
15514 if ((l
= argvars
[0].vval
.v_list
) != NULL
)
15517 /* To some extent make sure that we are dealing with a list from
15518 * "getmatches()". */
15522 if (li
->li_tv
.v_type
!= VAR_DICT
15523 || (d
= li
->li_tv
.vval
.v_dict
) == NULL
)
15528 if (!(dict_find(d
, (char_u
*)"group", -1) != NULL
15529 && dict_find(d
, (char_u
*)"pattern", -1) != NULL
15530 && dict_find(d
, (char_u
*)"priority", -1) != NULL
15531 && dict_find(d
, (char_u
*)"id", -1) != NULL
))
15539 clear_matches(curwin
);
15543 d
= li
->li_tv
.vval
.v_dict
;
15544 match_add(curwin
, get_dict_string(d
, (char_u
*)"group", FALSE
),
15545 get_dict_string(d
, (char_u
*)"pattern", FALSE
),
15546 (int)get_dict_number(d
, (char_u
*)"priority"),
15547 (int)get_dict_number(d
, (char_u
*)"id"));
15550 rettv
->vval
.v_number
= 0;
15556 * "setpos()" function
15559 f_setpos(argvars
, rettv
)
15567 rettv
->vval
.v_number
= -1;
15568 name
= get_tv_string_chk(argvars
);
15571 if (list2fpos(&argvars
[1], &pos
, &fnum
) == OK
)
15575 if (name
[0] == '.' && name
[1] == NUL
)
15578 if (fnum
== curbuf
->b_fnum
)
15580 curwin
->w_cursor
= pos
;
15582 rettv
->vval
.v_number
= 0;
15587 else if (name
[0] == '\'' && name
[1] != NUL
&& name
[2] == NUL
)
15590 if (setmark_pos(name
[1], &pos
, fnum
) == OK
)
15591 rettv
->vval
.v_number
= 0;
15600 * "setqflist()" function
15603 f_setqflist(argvars
, rettv
)
15607 set_qf_ll_list(NULL
, &argvars
[0], &argvars
[1], rettv
);
15611 * "setreg()" function
15614 f_setreg(argvars
, rettv
)
15619 char_u
*strregname
;
15630 strregname
= get_tv_string_chk(argvars
);
15631 rettv
->vval
.v_number
= 1; /* FAIL is default */
15633 if (strregname
== NULL
)
15634 return; /* type error; errmsg already given */
15635 regname
= *strregname
;
15636 if (regname
== 0 || regname
== '@')
15638 else if (regname
== '=')
15641 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
15643 stropt
= get_tv_string_chk(&argvars
[2]);
15644 if (stropt
== NULL
)
15645 return; /* type error */
15646 for (; *stropt
!= NUL
; ++stropt
)
15649 case 'a': case 'A': /* append */
15652 case 'v': case 'c': /* character-wise selection */
15655 case 'V': case 'l': /* line-wise selection */
15659 case 'b': case Ctrl_V
: /* block-wise selection */
15660 yank_type
= MBLOCK
;
15661 if (VIM_ISDIGIT(stropt
[1]))
15664 block_len
= getdigits(&stropt
) - 1;
15672 strval
= get_tv_string_chk(&argvars
[1]);
15673 if (strval
!= NULL
)
15674 write_reg_contents_ex(regname
, strval
, -1,
15675 append
, yank_type
, block_len
);
15676 rettv
->vval
.v_number
= 0;
15680 * "settabwinvar()" function
15683 f_settabwinvar(argvars
, rettv
)
15687 setwinvar(argvars
, rettv
, 1);
15691 * "setwinvar()" function
15694 f_setwinvar(argvars
, rettv
)
15698 setwinvar(argvars
, rettv
, 0);
15702 * "setwinvar()" and "settabwinvar()" functions
15705 setwinvar(argvars
, rettv
, off
)
15707 typval_T
*rettv UNUSED
;
15711 #ifdef FEAT_WINDOWS
15712 win_T
*save_curwin
;
15713 tabpage_T
*save_curtab
;
15715 char_u
*varname
, *winvarname
;
15717 char_u nbuf
[NUMBUFLEN
];
15720 if (check_restricted() || check_secure())
15723 #ifdef FEAT_WINDOWS
15725 tp
= find_tabpage((int)get_tv_number_chk(&argvars
[0], NULL
));
15729 win
= find_win_by_nr(&argvars
[off
], tp
);
15730 varname
= get_tv_string_chk(&argvars
[off
+ 1]);
15731 varp
= &argvars
[off
+ 2];
15733 if (win
!= NULL
&& varname
!= NULL
&& varp
!= NULL
)
15735 #ifdef FEAT_WINDOWS
15736 /* set curwin to be our win, temporarily */
15737 save_curwin
= curwin
;
15738 save_curtab
= curtab
;
15739 goto_tabpage_tp(tp
);
15740 if (!win_valid(win
))
15743 curbuf
= curwin
->w_buffer
;
15746 if (*varname
== '&')
15753 numval
= get_tv_number_chk(varp
, &error
);
15754 strval
= get_tv_string_buf_chk(varp
, nbuf
);
15755 if (!error
&& strval
!= NULL
)
15756 set_option_value(varname
, numval
, strval
, OPT_LOCAL
);
15760 winvarname
= alloc((unsigned)STRLEN(varname
) + 3);
15761 if (winvarname
!= NULL
)
15763 STRCPY(winvarname
, "w:");
15764 STRCPY(winvarname
+ 2, varname
);
15765 set_var(winvarname
, varp
, TRUE
);
15766 vim_free(winvarname
);
15770 #ifdef FEAT_WINDOWS
15771 /* Restore current tabpage and window, if still valid (autocomands can
15772 * make them invalid). */
15773 if (valid_tabpage(save_curtab
))
15774 goto_tabpage_tp(save_curtab
);
15775 if (win_valid(save_curwin
))
15777 curwin
= save_curwin
;
15778 curbuf
= curwin
->w_buffer
;
15785 * "shellescape({string})" function
15788 f_shellescape(argvars
, rettv
)
15792 rettv
->vval
.v_string
= vim_strsave_shellescape(
15793 get_tv_string(&argvars
[0]), non_zero_arg(&argvars
[1]));
15794 rettv
->v_type
= VAR_STRING
;
15798 * "simplify()" function
15801 f_simplify(argvars
, rettv
)
15807 p
= get_tv_string(&argvars
[0]);
15808 rettv
->vval
.v_string
= vim_strsave(p
);
15809 simplify_filename(rettv
->vval
.v_string
); /* simplify in place */
15810 rettv
->v_type
= VAR_STRING
;
15818 f_sin(argvars
, rettv
)
15824 rettv
->v_type
= VAR_FLOAT
;
15825 if (get_float_arg(argvars
, &f
) == OK
)
15826 rettv
->vval
.v_float
= sin(f
);
15828 rettv
->vval
.v_float
= 0.0;
15833 #ifdef __BORLANDC__
15836 item_compare
__ARGS((const void *s1
, const void *s2
));
15838 #ifdef __BORLANDC__
15841 item_compare2
__ARGS((const void *s1
, const void *s2
));
15843 static int item_compare_ic
;
15844 static char_u
*item_compare_func
;
15845 static int item_compare_func_err
;
15846 #define ITEM_COMPARE_FAIL 999
15849 * Compare functions for f_sort() below.
15852 #ifdef __BORLANDC__
15855 item_compare(s1
, s2
)
15860 char_u
*tofree1
, *tofree2
;
15862 char_u numbuf1
[NUMBUFLEN
];
15863 char_u numbuf2
[NUMBUFLEN
];
15865 p1
= tv2string(&(*(listitem_T
**)s1
)->li_tv
, &tofree1
, numbuf1
, 0);
15866 p2
= tv2string(&(*(listitem_T
**)s2
)->li_tv
, &tofree2
, numbuf2
, 0);
15871 if (item_compare_ic
)
15872 res
= STRICMP(p1
, p2
);
15874 res
= STRCMP(p1
, p2
);
15881 #ifdef __BORLANDC__
15884 item_compare2(s1
, s2
)
15893 /* shortcut after failure in previous call; compare all items equal */
15894 if (item_compare_func_err
)
15897 /* copy the values. This is needed to be able to set v_lock to VAR_FIXED
15898 * in the copy without changing the original list items. */
15899 copy_tv(&(*(listitem_T
**)s1
)->li_tv
, &argv
[0]);
15900 copy_tv(&(*(listitem_T
**)s2
)->li_tv
, &argv
[1]);
15902 rettv
.v_type
= VAR_UNKNOWN
; /* clear_tv() uses this */
15903 res
= call_func(item_compare_func
, (int)STRLEN(item_compare_func
),
15904 &rettv
, 2, argv
, 0L, 0L, &dummy
, TRUE
, NULL
);
15905 clear_tv(&argv
[0]);
15906 clear_tv(&argv
[1]);
15909 res
= ITEM_COMPARE_FAIL
;
15911 res
= get_tv_number_chk(&rettv
, &item_compare_func_err
);
15912 if (item_compare_func_err
)
15913 res
= ITEM_COMPARE_FAIL
; /* return value has wrong type */
15919 * "sort({list})" function
15922 f_sort(argvars
, rettv
)
15932 if (argvars
[0].v_type
!= VAR_LIST
)
15933 EMSG2(_(e_listarg
), "sort()");
15936 l
= argvars
[0].vval
.v_list
;
15937 if (l
== NULL
|| tv_check_lock(l
->lv_lock
, (char_u
*)"sort()"))
15939 rettv
->vval
.v_list
= l
;
15940 rettv
->v_type
= VAR_LIST
;
15945 return; /* short list sorts pretty quickly */
15947 item_compare_ic
= FALSE
;
15948 item_compare_func
= NULL
;
15949 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
15951 if (argvars
[1].v_type
== VAR_FUNC
)
15952 item_compare_func
= argvars
[1].vval
.v_string
;
15957 i
= get_tv_number_chk(&argvars
[1], &error
);
15959 return; /* type error; errmsg already given */
15961 item_compare_ic
= TRUE
;
15963 item_compare_func
= get_tv_string(&argvars
[1]);
15967 /* Make an array with each entry pointing to an item in the List. */
15968 ptrs
= (listitem_T
**)alloc((int)(len
* sizeof(listitem_T
*)));
15972 for (li
= l
->lv_first
; li
!= NULL
; li
= li
->li_next
)
15975 item_compare_func_err
= FALSE
;
15976 /* test the compare function */
15977 if (item_compare_func
!= NULL
15978 && item_compare2((void *)&ptrs
[0], (void *)&ptrs
[1])
15979 == ITEM_COMPARE_FAIL
)
15980 EMSG(_("E702: Sort compare function failed"));
15983 /* Sort the array with item pointers. */
15984 qsort((void *)ptrs
, (size_t)len
, sizeof(listitem_T
*),
15985 item_compare_func
== NULL
? item_compare
: item_compare2
);
15987 if (!item_compare_func_err
)
15989 /* Clear the List and append the items in the sorted order. */
15990 l
->lv_first
= l
->lv_last
= l
->lv_idx_item
= NULL
;
15992 for (i
= 0; i
< len
; ++i
)
15993 list_append(l
, ptrs
[i
]);
16002 * "soundfold({word})" function
16005 f_soundfold(argvars
, rettv
)
16011 rettv
->v_type
= VAR_STRING
;
16012 s
= get_tv_string(&argvars
[0]);
16014 rettv
->vval
.v_string
= eval_soundfold(s
);
16016 rettv
->vval
.v_string
= vim_strsave(s
);
16021 * "spellbadword()" function
16024 f_spellbadword(argvars
, rettv
)
16025 typval_T
*argvars UNUSED
;
16028 char_u
*word
= (char_u
*)"";
16029 hlf_T attr
= HLF_COUNT
;
16032 if (rettv_list_alloc(rettv
) == FAIL
)
16036 if (argvars
[0].v_type
== VAR_UNKNOWN
)
16038 /* Find the start and length of the badly spelled word. */
16039 len
= spell_move_to(curwin
, FORWARD
, TRUE
, TRUE
, &attr
);
16041 word
= ml_get_cursor();
16043 else if (curwin
->w_p_spell
&& *curbuf
->b_p_spl
!= NUL
)
16045 char_u
*str
= get_tv_string_chk(&argvars
[0]);
16050 /* Check the argument for spelling. */
16051 while (*str
!= NUL
)
16053 len
= spell_check(curwin
, str
, &attr
, &capcol
, FALSE
);
16054 if (attr
!= HLF_COUNT
)
16065 list_append_string(rettv
->vval
.v_list
, word
, len
);
16066 list_append_string(rettv
->vval
.v_list
, (char_u
*)(
16067 attr
== HLF_SPB
? "bad" :
16068 attr
== HLF_SPR
? "rare" :
16069 attr
== HLF_SPL
? "local" :
16070 attr
== HLF_SPC
? "caps" :
16075 * "spellsuggest()" function
16078 f_spellsuggest(argvars
, rettv
)
16079 typval_T
*argvars UNUSED
;
16084 int typeerr
= FALSE
;
16089 int need_capital
= FALSE
;
16092 if (rettv_list_alloc(rettv
) == FAIL
)
16096 if (curwin
->w_p_spell
&& *curbuf
->b_p_spl
!= NUL
)
16098 str
= get_tv_string(&argvars
[0]);
16099 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
16101 maxcount
= get_tv_number_chk(&argvars
[1], &typeerr
);
16104 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16106 need_capital
= get_tv_number_chk(&argvars
[2], &typeerr
);
16114 spell_suggest_list(&ga
, str
, maxcount
, need_capital
, FALSE
);
16116 for (i
= 0; i
< ga
.ga_len
; ++i
)
16118 str
= ((char_u
**)ga
.ga_data
)[i
];
16120 li
= listitem_alloc();
16125 li
->li_tv
.v_type
= VAR_STRING
;
16126 li
->li_tv
.v_lock
= 0;
16127 li
->li_tv
.vval
.v_string
= str
;
16128 list_append(rettv
->vval
.v_list
, li
);
16137 f_split(argvars
, rettv
)
16143 char_u
*pat
= NULL
;
16144 regmatch_T regmatch
;
16145 char_u patbuf
[NUMBUFLEN
];
16149 int keepempty
= FALSE
;
16150 int typeerr
= FALSE
;
16152 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
16154 p_cpo
= (char_u
*)"";
16156 str
= get_tv_string(&argvars
[0]);
16157 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
16159 pat
= get_tv_string_buf_chk(&argvars
[1], patbuf
);
16162 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16163 keepempty
= get_tv_number_chk(&argvars
[2], &typeerr
);
16165 if (pat
== NULL
|| *pat
== NUL
)
16166 pat
= (char_u
*)"[\\x01- ]\\+";
16168 if (rettv_list_alloc(rettv
) == FAIL
)
16173 regmatch
.regprog
= vim_regcomp(pat
, RE_MAGIC
+ RE_STRING
);
16174 if (regmatch
.regprog
!= NULL
)
16176 regmatch
.rm_ic
= FALSE
;
16177 while (*str
!= NUL
|| keepempty
)
16180 match
= FALSE
; /* empty item at the end */
16182 match
= vim_regexec_nl(®match
, str
, col
);
16184 end
= regmatch
.startp
[0];
16186 end
= str
+ STRLEN(str
);
16187 if (keepempty
|| end
> str
|| (rettv
->vval
.v_list
->lv_len
> 0
16188 && *str
!= NUL
&& match
&& end
< regmatch
.endp
[0]))
16190 if (list_append_string(rettv
->vval
.v_list
, str
,
16191 (int)(end
- str
)) == FAIL
)
16196 /* Advance to just after the match. */
16197 if (regmatch
.endp
[0] > str
)
16201 /* Don't get stuck at the same match. */
16203 col
= (*mb_ptr2len
)(regmatch
.endp
[0]);
16208 str
= regmatch
.endp
[0];
16211 vim_free(regmatch
.regprog
);
16219 * "sqrt()" function
16222 f_sqrt(argvars
, rettv
)
16228 rettv
->v_type
= VAR_FLOAT
;
16229 if (get_float_arg(argvars
, &f
) == OK
)
16230 rettv
->vval
.v_float
= sqrt(f
);
16232 rettv
->vval
.v_float
= 0.0;
16236 * "str2float()" function
16239 f_str2float(argvars
, rettv
)
16243 char_u
*p
= skipwhite(get_tv_string(&argvars
[0]));
16246 p
= skipwhite(p
+ 1);
16247 (void)string2float(p
, &rettv
->vval
.v_float
);
16248 rettv
->v_type
= VAR_FLOAT
;
16253 * "str2nr()" function
16256 f_str2nr(argvars
, rettv
)
16264 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
16266 base
= get_tv_number(&argvars
[1]);
16267 if (base
!= 8 && base
!= 10 && base
!= 16)
16274 p
= skipwhite(get_tv_string(&argvars
[0]));
16276 p
= skipwhite(p
+ 1);
16277 vim_str2nr(p
, NULL
, NULL
, base
== 8 ? 2 : 0, base
== 16 ? 2 : 0, &n
, NULL
);
16278 rettv
->vval
.v_number
= n
;
16281 #ifdef HAVE_STRFTIME
16283 * "strftime({format}[, {time}])" function
16286 f_strftime(argvars
, rettv
)
16290 char_u result_buf
[256];
16291 struct tm
*curtime
;
16295 rettv
->v_type
= VAR_STRING
;
16297 p
= get_tv_string(&argvars
[0]);
16298 if (argvars
[1].v_type
== VAR_UNKNOWN
)
16299 seconds
= time(NULL
);
16301 seconds
= (time_t)get_tv_number(&argvars
[1]);
16302 curtime
= localtime(&seconds
);
16303 /* MSVC returns NULL for an invalid value of seconds. */
16304 if (curtime
== NULL
)
16305 rettv
->vval
.v_string
= vim_strsave((char_u
*)_("(Invalid)"));
16312 conv
.vc_type
= CONV_NONE
;
16313 enc
= enc_locale();
16314 convert_setup(&conv
, p_enc
, enc
);
16315 if (conv
.vc_type
!= CONV_NONE
)
16316 p
= string_convert(&conv
, p
, NULL
);
16319 (void)strftime((char *)result_buf
, sizeof(result_buf
),
16320 (char *)p
, curtime
);
16322 result_buf
[0] = NUL
;
16325 if (conv
.vc_type
!= CONV_NONE
)
16327 convert_setup(&conv
, enc
, p_enc
);
16328 if (conv
.vc_type
!= CONV_NONE
)
16329 rettv
->vval
.v_string
= string_convert(&conv
, result_buf
, NULL
);
16332 rettv
->vval
.v_string
= vim_strsave(result_buf
);
16335 /* Release conversion descriptors */
16336 convert_setup(&conv
, NULL
, NULL
);
16344 * "stridx()" function
16347 f_stridx(argvars
, rettv
)
16351 char_u buf
[NUMBUFLEN
];
16354 char_u
*save_haystack
;
16358 needle
= get_tv_string_chk(&argvars
[1]);
16359 save_haystack
= haystack
= get_tv_string_buf_chk(&argvars
[0], buf
);
16360 rettv
->vval
.v_number
= -1;
16361 if (needle
== NULL
|| haystack
== NULL
)
16362 return; /* type error; errmsg already given */
16364 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16368 start_idx
= get_tv_number_chk(&argvars
[2], &error
);
16369 if (error
|| start_idx
>= (int)STRLEN(haystack
))
16371 if (start_idx
>= 0)
16372 haystack
+= start_idx
;
16375 pos
= (char_u
*)strstr((char *)haystack
, (char *)needle
);
16377 rettv
->vval
.v_number
= (varnumber_T
)(pos
- save_haystack
);
16381 * "string()" function
16384 f_string(argvars
, rettv
)
16389 char_u numbuf
[NUMBUFLEN
];
16391 rettv
->v_type
= VAR_STRING
;
16392 rettv
->vval
.v_string
= tv2string(&argvars
[0], &tofree
, numbuf
, 0);
16393 /* Make a copy if we have a value but it's not in allocated memory. */
16394 if (rettv
->vval
.v_string
!= NULL
&& tofree
== NULL
)
16395 rettv
->vval
.v_string
= vim_strsave(rettv
->vval
.v_string
);
16399 * "strlen()" function
16402 f_strlen(argvars
, rettv
)
16406 rettv
->vval
.v_number
= (varnumber_T
)(STRLEN(
16407 get_tv_string(&argvars
[0])));
16411 * "strpart()" function
16414 f_strpart(argvars
, rettv
)
16424 p
= get_tv_string(&argvars
[0]);
16425 slen
= (int)STRLEN(p
);
16427 n
= get_tv_number_chk(&argvars
[1], &error
);
16430 else if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16431 len
= get_tv_number(&argvars
[2]);
16433 len
= slen
- n
; /* default len: all bytes that are available. */
16436 * Only return the overlap between the specified part and the actual
16448 else if (n
+ len
> slen
)
16451 rettv
->v_type
= VAR_STRING
;
16452 rettv
->vval
.v_string
= vim_strnsave(p
+ n
, len
);
16456 * "strridx()" function
16459 f_strridx(argvars
, rettv
)
16463 char_u buf
[NUMBUFLEN
];
16467 char_u
*lastmatch
= NULL
;
16468 int haystack_len
, end_idx
;
16470 needle
= get_tv_string_chk(&argvars
[1]);
16471 haystack
= get_tv_string_buf_chk(&argvars
[0], buf
);
16473 rettv
->vval
.v_number
= -1;
16474 if (needle
== NULL
|| haystack
== NULL
)
16475 return; /* type error; errmsg already given */
16477 haystack_len
= (int)STRLEN(haystack
);
16478 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16480 /* Third argument: upper limit for index */
16481 end_idx
= get_tv_number_chk(&argvars
[2], NULL
);
16483 return; /* can never find a match */
16486 end_idx
= haystack_len
;
16488 if (*needle
== NUL
)
16490 /* Empty string matches past the end. */
16491 lastmatch
= haystack
+ end_idx
;
16495 for (rest
= haystack
; *rest
!= '\0'; ++rest
)
16497 rest
= (char_u
*)strstr((char *)rest
, (char *)needle
);
16498 if (rest
== NULL
|| rest
> haystack
+ end_idx
)
16504 if (lastmatch
== NULL
)
16505 rettv
->vval
.v_number
= -1;
16507 rettv
->vval
.v_number
= (varnumber_T
)(lastmatch
- haystack
);
16511 * "strtrans()" function
16514 f_strtrans(argvars
, rettv
)
16518 rettv
->v_type
= VAR_STRING
;
16519 rettv
->vval
.v_string
= transstr(get_tv_string(&argvars
[0]));
16523 * "submatch()" function
16526 f_submatch(argvars
, rettv
)
16530 rettv
->v_type
= VAR_STRING
;
16531 rettv
->vval
.v_string
=
16532 reg_submatch((int)get_tv_number_chk(&argvars
[0], NULL
));
16536 * "substitute()" function
16539 f_substitute(argvars
, rettv
)
16543 char_u patbuf
[NUMBUFLEN
];
16544 char_u subbuf
[NUMBUFLEN
];
16545 char_u flagsbuf
[NUMBUFLEN
];
16547 char_u
*str
= get_tv_string_chk(&argvars
[0]);
16548 char_u
*pat
= get_tv_string_buf_chk(&argvars
[1], patbuf
);
16549 char_u
*sub
= get_tv_string_buf_chk(&argvars
[2], subbuf
);
16550 char_u
*flg
= get_tv_string_buf_chk(&argvars
[3], flagsbuf
);
16552 rettv
->v_type
= VAR_STRING
;
16553 if (str
== NULL
|| pat
== NULL
|| sub
== NULL
|| flg
== NULL
)
16554 rettv
->vval
.v_string
= NULL
;
16556 rettv
->vval
.v_string
= do_string_sub(str
, pat
, sub
, flg
);
16560 * "synID(lnum, col, trans)" function
16563 f_synID(argvars
, rettv
)
16564 typval_T
*argvars UNUSED
;
16572 int transerr
= FALSE
;
16574 lnum
= get_tv_lnum(argvars
); /* -1 on type error */
16575 col
= get_tv_number(&argvars
[1]) - 1; /* -1 on type error */
16576 trans
= get_tv_number_chk(&argvars
[2], &transerr
);
16578 if (!transerr
&& lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
16579 && col
>= 0 && col
< (long)STRLEN(ml_get(lnum
)))
16580 id
= syn_get_id(curwin
, lnum
, (colnr_T
)col
, trans
, NULL
, FALSE
);
16583 rettv
->vval
.v_number
= id
;
16587 * "synIDattr(id, what [, mode])" function
16590 f_synIDattr(argvars
, rettv
)
16591 typval_T
*argvars UNUSED
;
16599 char_u modebuf
[NUMBUFLEN
];
16602 id
= get_tv_number(&argvars
[0]);
16603 what
= get_tv_string(&argvars
[1]);
16604 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16606 mode
= get_tv_string_buf(&argvars
[2], modebuf
);
16607 modec
= TOLOWER_ASC(mode
[0]);
16608 if (modec
!= 't' && modec
!= 'c'
16613 modec
= 0; /* replace invalid with current */
16629 switch (TOLOWER_ASC(what
[0]))
16632 if (TOLOWER_ASC(what
[1]) == 'g') /* bg[#] */
16633 p
= highlight_color(id
, what
, modec
);
16635 p
= highlight_has_attr(id
, HL_BOLD
, modec
);
16638 case 'f': /* fg[#] or font */
16639 p
= highlight_color(id
, what
, modec
);
16643 if (TOLOWER_ASC(what
[1]) == 'n') /* inverse */
16644 p
= highlight_has_attr(id
, HL_INVERSE
, modec
);
16646 p
= highlight_has_attr(id
, HL_ITALIC
, modec
);
16649 case 'n': /* name */
16650 p
= get_highlight_name(NULL
, id
- 1);
16653 case 'r': /* reverse */
16654 p
= highlight_has_attr(id
, HL_INVERSE
, modec
);
16658 if (TOLOWER_ASC(what
[1]) == 'p') /* sp[#] */
16659 p
= highlight_color(id
, what
, modec
);
16660 else /* standout */
16661 p
= highlight_has_attr(id
, HL_STANDOUT
, modec
);
16665 if (STRLEN(what
) <= 5 || TOLOWER_ASC(what
[5]) != 'c')
16667 p
= highlight_has_attr(id
, HL_UNDERLINE
, modec
);
16670 p
= highlight_has_attr(id
, HL_UNDERCURL
, modec
);
16675 p
= vim_strsave(p
);
16677 rettv
->v_type
= VAR_STRING
;
16678 rettv
->vval
.v_string
= p
;
16682 * "synIDtrans(id)" function
16685 f_synIDtrans(argvars
, rettv
)
16686 typval_T
*argvars UNUSED
;
16692 id
= get_tv_number(&argvars
[0]);
16695 id
= syn_get_final_id(id
);
16700 rettv
->vval
.v_number
= id
;
16704 * "synstack(lnum, col)" function
16707 f_synstack(argvars
, rettv
)
16708 typval_T
*argvars UNUSED
;
16718 rettv
->v_type
= VAR_LIST
;
16719 rettv
->vval
.v_list
= NULL
;
16722 lnum
= get_tv_lnum(argvars
); /* -1 on type error */
16723 col
= get_tv_number(&argvars
[1]) - 1; /* -1 on type error */
16725 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
16726 && col
>= 0 && (col
== 0 || col
< (long)STRLEN(ml_get(lnum
)))
16727 && rettv_list_alloc(rettv
) != FAIL
)
16729 (void)syn_get_id(curwin
, lnum
, (colnr_T
)col
, FALSE
, NULL
, TRUE
);
16732 id
= syn_get_stack_item(i
);
16735 if (list_append_number(rettv
->vval
.v_list
, id
) == FAIL
)
16743 * "system()" function
16746 f_system(argvars
, rettv
)
16750 char_u
*res
= NULL
;
16752 char_u
*infile
= NULL
;
16753 char_u buf
[NUMBUFLEN
];
16757 if (check_restricted() || check_secure())
16760 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
16763 * Write the string to a temp file, to be used for input of the shell
16766 if ((infile
= vim_tempname('i')) == NULL
)
16772 fd
= mch_fopen((char *)infile
, WRITEBIN
);
16775 EMSG2(_(e_notopen
), infile
);
16778 p
= get_tv_string_buf_chk(&argvars
[1], buf
);
16782 goto done
; /* type error; errmsg already given */
16784 if (fwrite(p
, STRLEN(p
), 1, fd
) != 1)
16786 if (fclose(fd
) != 0)
16790 EMSG(_("E677: Error writing temp file"));
16795 res
= get_cmd_output(get_tv_string(&argvars
[0]), infile
,
16796 SHELL_SILENT
| SHELL_COOKED
);
16799 /* translate <CR> into <NL> */
16804 for (s
= res
; *s
; ++s
)
16812 /* translate <CR><NL> into <NL> */
16818 for (s
= res
; *s
; ++s
)
16820 if (s
[0] == CAR
&& s
[1] == NL
)
16830 if (infile
!= NULL
)
16832 mch_remove(infile
);
16835 rettv
->v_type
= VAR_STRING
;
16836 rettv
->vval
.v_string
= res
;
16840 * "tabpagebuflist()" function
16843 f_tabpagebuflist(argvars
, rettv
)
16844 typval_T
*argvars UNUSED
;
16845 typval_T
*rettv UNUSED
;
16847 #ifdef FEAT_WINDOWS
16851 if (argvars
[0].v_type
== VAR_UNKNOWN
)
16855 tp
= find_tabpage((int)get_tv_number(&argvars
[0]));
16857 wp
= (tp
== curtab
) ? firstwin
: tp
->tp_firstwin
;
16859 if (wp
!= NULL
&& rettv_list_alloc(rettv
) != FAIL
)
16861 for (; wp
!= NULL
; wp
= wp
->w_next
)
16862 if (list_append_number(rettv
->vval
.v_list
,
16863 wp
->w_buffer
->b_fnum
) == FAIL
)
16871 * "tabpagenr()" function
16874 f_tabpagenr(argvars
, rettv
)
16875 typval_T
*argvars UNUSED
;
16879 #ifdef FEAT_WINDOWS
16882 if (argvars
[0].v_type
!= VAR_UNKNOWN
)
16884 arg
= get_tv_string_chk(&argvars
[0]);
16888 if (STRCMP(arg
, "$") == 0)
16889 nr
= tabpage_index(NULL
) - 1;
16891 EMSG2(_(e_invexpr2
), arg
);
16895 nr
= tabpage_index(curtab
);
16897 rettv
->vval
.v_number
= nr
;
16901 #ifdef FEAT_WINDOWS
16902 static int get_winnr
__ARGS((tabpage_T
*tp
, typval_T
*argvar
));
16905 * Common code for tabpagewinnr() and winnr().
16908 get_winnr(tp
, argvar
)
16917 twin
= (tp
== curtab
) ? curwin
: tp
->tp_curwin
;
16918 if (argvar
->v_type
!= VAR_UNKNOWN
)
16920 arg
= get_tv_string_chk(argvar
);
16922 nr
= 0; /* type error; errmsg already given */
16923 else if (STRCMP(arg
, "$") == 0)
16924 twin
= (tp
== curtab
) ? lastwin
: tp
->tp_lastwin
;
16925 else if (STRCMP(arg
, "#") == 0)
16927 twin
= (tp
== curtab
) ? prevwin
: tp
->tp_prevwin
;
16933 EMSG2(_(e_invexpr2
), arg
);
16939 for (wp
= (tp
== curtab
) ? firstwin
: tp
->tp_firstwin
;
16940 wp
!= twin
; wp
= wp
->w_next
)
16944 /* didn't find it in this tabpage */
16955 * "tabpagewinnr()" function
16958 f_tabpagewinnr(argvars
, rettv
)
16959 typval_T
*argvars UNUSED
;
16963 #ifdef FEAT_WINDOWS
16966 tp
= find_tabpage((int)get_tv_number(&argvars
[0]));
16970 nr
= get_winnr(tp
, &argvars
[1]);
16972 rettv
->vval
.v_number
= nr
;
16977 * "tagfiles()" function
16980 f_tagfiles(argvars
, rettv
)
16981 typval_T
*argvars UNUSED
;
16984 char_u fname
[MAXPATHL
+ 1];
16988 if (rettv_list_alloc(rettv
) == FAIL
)
16991 for (first
= TRUE
; ; first
= FALSE
)
16992 if (get_tagfname(&tn
, first
, fname
) == FAIL
16993 || list_append_string(rettv
->vval
.v_list
, fname
, -1) == FAIL
)
16999 * "taglist()" function
17002 f_taglist(argvars
, rettv
)
17006 char_u
*tag_pattern
;
17008 tag_pattern
= get_tv_string(&argvars
[0]);
17010 rettv
->vval
.v_number
= FALSE
;
17011 if (*tag_pattern
== NUL
)
17014 if (rettv_list_alloc(rettv
) == OK
)
17015 (void)get_tags(rettv
->vval
.v_list
, tag_pattern
);
17019 * "tempname()" function
17022 f_tempname(argvars
, rettv
)
17023 typval_T
*argvars UNUSED
;
17026 static int x
= 'A';
17028 rettv
->v_type
= VAR_STRING
;
17029 rettv
->vval
.v_string
= vim_tempname(x
);
17031 /* Advance 'x' to use A-Z and 0-9, so that there are at least 34 different
17032 * names. Skip 'I' and 'O', they are used for shell redirection. */
17050 } while (x
== 'I' || x
== 'O');
17054 * "test(list)" function: Just checking the walls...
17057 f_test(argvars
, rettv
)
17058 typval_T
*argvars UNUSED
;
17059 typval_T
*rettv UNUSED
;
17061 /* Used for unit testing. Change the code below to your liking. */
17065 char_u
*bad
, *good
;
17067 if (argvars
[0].v_type
!= VAR_LIST
)
17069 l
= argvars
[0].vval
.v_list
;
17075 bad
= get_tv_string(&li
->li_tv
);
17079 good
= get_tv_string(&li
->li_tv
);
17080 rettv
->vval
.v_number
= test_edit_score(bad
, good
);
17085 * "tolower(string)" function
17088 f_tolower(argvars
, rettv
)
17094 p
= vim_strsave(get_tv_string(&argvars
[0]));
17095 rettv
->v_type
= VAR_STRING
;
17096 rettv
->vval
.v_string
= p
;
17108 c
= utf_ptr2char(p
);
17109 lc
= utf_tolower(c
);
17110 l
= utf_ptr2len(p
);
17111 /* TODO: reallocate string when byte count changes. */
17112 if (utf_char2len(lc
) == l
)
17113 utf_char2bytes(lc
, p
);
17116 else if (has_mbyte
&& (l
= (*mb_ptr2len
)(p
)) > 1)
17117 p
+= l
; /* skip multi-byte character */
17121 *p
= TOLOWER_LOC(*p
); /* note that tolower() can be a macro */
17128 * "toupper(string)" function
17131 f_toupper(argvars
, rettv
)
17135 rettv
->v_type
= VAR_STRING
;
17136 rettv
->vval
.v_string
= strup_save(get_tv_string(&argvars
[0]));
17140 * "tr(string, fromstr, tostr)" function
17143 f_tr(argvars
, rettv
)
17160 char_u buf
[NUMBUFLEN
];
17161 char_u buf2
[NUMBUFLEN
];
17164 instr
= get_tv_string(&argvars
[0]);
17165 fromstr
= get_tv_string_buf_chk(&argvars
[1], buf
);
17166 tostr
= get_tv_string_buf_chk(&argvars
[2], buf2
);
17168 /* Default return value: empty string. */
17169 rettv
->v_type
= VAR_STRING
;
17170 rettv
->vval
.v_string
= NULL
;
17171 if (fromstr
== NULL
|| tostr
== NULL
)
17172 return; /* type error; errmsg already given */
17173 ga_init2(&ga
, (int)sizeof(char), 80);
17178 /* not multi-byte: fromstr and tostr must be the same length */
17179 if (STRLEN(fromstr
) != STRLEN(tostr
))
17184 EMSG2(_(e_invarg2
), fromstr
);
17189 /* fromstr and tostr have to contain the same number of chars */
17190 while (*instr
!= NUL
)
17195 inlen
= (*mb_ptr2len
)(instr
);
17199 for (p
= fromstr
; *p
!= NUL
; p
+= fromlen
)
17201 fromlen
= (*mb_ptr2len
)(p
);
17202 if (fromlen
== inlen
&& STRNCMP(instr
, p
, inlen
) == 0)
17204 for (p
= tostr
; *p
!= NUL
; p
+= tolen
)
17206 tolen
= (*mb_ptr2len
)(p
);
17214 if (*p
== NUL
) /* tostr is shorter than fromstr */
17221 if (first
&& cpstr
== instr
)
17223 /* Check that fromstr and tostr have the same number of
17224 * (multi-byte) characters. Done only once when a character
17225 * of instr doesn't appear in fromstr. */
17227 for (p
= tostr
; *p
!= NUL
; p
+= tolen
)
17229 tolen
= (*mb_ptr2len
)(p
);
17236 ga_grow(&ga
, cplen
);
17237 mch_memmove((char *)ga
.ga_data
+ ga
.ga_len
, cpstr
, (size_t)cplen
);
17238 ga
.ga_len
+= cplen
;
17245 /* When not using multi-byte chars we can do it faster. */
17246 p
= vim_strchr(fromstr
, *instr
);
17248 ga_append(&ga
, tostr
[p
- fromstr
]);
17250 ga_append(&ga
, *instr
);
17255 /* add a terminating NUL */
17257 ga_append(&ga
, NUL
);
17259 rettv
->vval
.v_string
= ga
.ga_data
;
17264 * "trunc({float})" function
17267 f_trunc(argvars
, rettv
)
17273 rettv
->v_type
= VAR_FLOAT
;
17274 if (get_float_arg(argvars
, &f
) == OK
)
17275 /* trunc() is not in C90, use floor() or ceil() instead. */
17276 rettv
->vval
.v_float
= f
> 0 ? floor(f
) : ceil(f
);
17278 rettv
->vval
.v_float
= 0.0;
17283 * "type(expr)" function
17286 f_type(argvars
, rettv
)
17292 switch (argvars
[0].v_type
)
17294 case VAR_NUMBER
: n
= 0; break;
17295 case VAR_STRING
: n
= 1; break;
17296 case VAR_FUNC
: n
= 2; break;
17297 case VAR_LIST
: n
= 3; break;
17298 case VAR_DICT
: n
= 4; break;
17300 case VAR_FLOAT
: n
= 5; break;
17302 default: EMSG2(_(e_intern2
), "f_type()"); n
= 0; break;
17304 rettv
->vval
.v_number
= n
;
17308 * "values(dict)" function
17311 f_values(argvars
, rettv
)
17315 dict_list(argvars
, rettv
, 1);
17319 * "virtcol(string)" function
17322 f_virtcol(argvars
, rettv
)
17328 int fnum
= curbuf
->b_fnum
;
17330 fp
= var2fpos(&argvars
[0], FALSE
, &fnum
);
17331 if (fp
!= NULL
&& fp
->lnum
<= curbuf
->b_ml
.ml_line_count
17332 && fnum
== curbuf
->b_fnum
)
17334 getvvcol(curwin
, fp
, NULL
, NULL
, &vcol
);
17338 rettv
->vval
.v_number
= vcol
;
17342 * "visualmode()" function
17345 f_visualmode(argvars
, rettv
)
17346 typval_T
*argvars UNUSED
;
17347 typval_T
*rettv UNUSED
;
17352 rettv
->v_type
= VAR_STRING
;
17353 str
[0] = curbuf
->b_visual_mode_eval
;
17355 rettv
->vval
.v_string
= vim_strsave(str
);
17357 /* A non-zero number or non-empty string argument: reset mode. */
17358 if (non_zero_arg(&argvars
[0]))
17359 curbuf
->b_visual_mode_eval
= NUL
;
17364 * "winbufnr(nr)" function
17367 f_winbufnr(argvars
, rettv
)
17373 wp
= find_win_by_nr(&argvars
[0], NULL
);
17375 rettv
->vval
.v_number
= -1;
17377 rettv
->vval
.v_number
= wp
->w_buffer
->b_fnum
;
17381 * "wincol()" function
17384 f_wincol(argvars
, rettv
)
17385 typval_T
*argvars UNUSED
;
17389 rettv
->vval
.v_number
= curwin
->w_wcol
+ 1;
17393 * "winheight(nr)" function
17396 f_winheight(argvars
, rettv
)
17402 wp
= find_win_by_nr(&argvars
[0], NULL
);
17404 rettv
->vval
.v_number
= -1;
17406 rettv
->vval
.v_number
= wp
->w_height
;
17410 * "winline()" function
17413 f_winline(argvars
, rettv
)
17414 typval_T
*argvars UNUSED
;
17418 rettv
->vval
.v_number
= curwin
->w_wrow
+ 1;
17422 * "winnr()" function
17425 f_winnr(argvars
, rettv
)
17426 typval_T
*argvars UNUSED
;
17431 #ifdef FEAT_WINDOWS
17432 nr
= get_winnr(curtab
, &argvars
[0]);
17434 rettv
->vval
.v_number
= nr
;
17438 * "winrestcmd()" function
17441 f_winrestcmd(argvars
, rettv
)
17442 typval_T
*argvars UNUSED
;
17445 #ifdef FEAT_WINDOWS
17451 ga_init2(&ga
, (int)sizeof(char), 70);
17452 for (wp
= firstwin
; wp
!= NULL
; wp
= wp
->w_next
)
17454 sprintf((char *)buf
, "%dresize %d|", winnr
, wp
->w_height
);
17455 ga_concat(&ga
, buf
);
17456 # ifdef FEAT_VERTSPLIT
17457 sprintf((char *)buf
, "vert %dresize %d|", winnr
, wp
->w_width
);
17458 ga_concat(&ga
, buf
);
17462 ga_append(&ga
, NUL
);
17464 rettv
->vval
.v_string
= ga
.ga_data
;
17466 rettv
->vval
.v_string
= NULL
;
17468 rettv
->v_type
= VAR_STRING
;
17472 * "winrestview()" function
17475 f_winrestview(argvars
, rettv
)
17477 typval_T
*rettv UNUSED
;
17481 if (argvars
[0].v_type
!= VAR_DICT
17482 || (dict
= argvars
[0].vval
.v_dict
) == NULL
)
17486 curwin
->w_cursor
.lnum
= get_dict_number(dict
, (char_u
*)"lnum");
17487 curwin
->w_cursor
.col
= get_dict_number(dict
, (char_u
*)"col");
17488 #ifdef FEAT_VIRTUALEDIT
17489 curwin
->w_cursor
.coladd
= get_dict_number(dict
, (char_u
*)"coladd");
17491 curwin
->w_curswant
= get_dict_number(dict
, (char_u
*)"curswant");
17492 curwin
->w_set_curswant
= FALSE
;
17494 set_topline(curwin
, get_dict_number(dict
, (char_u
*)"topline"));
17496 curwin
->w_topfill
= get_dict_number(dict
, (char_u
*)"topfill");
17498 curwin
->w_leftcol
= get_dict_number(dict
, (char_u
*)"leftcol");
17499 curwin
->w_skipcol
= get_dict_number(dict
, (char_u
*)"skipcol");
17502 changed_cline_bef_curs();
17503 invalidate_botline();
17504 redraw_later(VALID
);
17506 if (curwin
->w_topline
== 0)
17507 curwin
->w_topline
= 1;
17508 if (curwin
->w_topline
> curbuf
->b_ml
.ml_line_count
)
17509 curwin
->w_topline
= curbuf
->b_ml
.ml_line_count
;
17511 check_topfill(curwin
, TRUE
);
17517 * "winsaveview()" function
17520 f_winsaveview(argvars
, rettv
)
17521 typval_T
*argvars UNUSED
;
17526 dict
= dict_alloc();
17529 rettv
->v_type
= VAR_DICT
;
17530 rettv
->vval
.v_dict
= dict
;
17531 ++dict
->dv_refcount
;
17533 dict_add_nr_str(dict
, "lnum", (long)curwin
->w_cursor
.lnum
, NULL
);
17534 dict_add_nr_str(dict
, "col", (long)curwin
->w_cursor
.col
, NULL
);
17535 #ifdef FEAT_VIRTUALEDIT
17536 dict_add_nr_str(dict
, "coladd", (long)curwin
->w_cursor
.coladd
, NULL
);
17539 dict_add_nr_str(dict
, "curswant", (long)curwin
->w_curswant
, NULL
);
17541 dict_add_nr_str(dict
, "topline", (long)curwin
->w_topline
, NULL
);
17543 dict_add_nr_str(dict
, "topfill", (long)curwin
->w_topfill
, NULL
);
17545 dict_add_nr_str(dict
, "leftcol", (long)curwin
->w_leftcol
, NULL
);
17546 dict_add_nr_str(dict
, "skipcol", (long)curwin
->w_skipcol
, NULL
);
17550 * "winwidth(nr)" function
17553 f_winwidth(argvars
, rettv
)
17559 wp
= find_win_by_nr(&argvars
[0], NULL
);
17561 rettv
->vval
.v_number
= -1;
17563 #ifdef FEAT_VERTSPLIT
17564 rettv
->vval
.v_number
= wp
->w_width
;
17566 rettv
->vval
.v_number
= Columns
;
17571 * "writefile()" function
17574 f_writefile(argvars
, rettv
)
17578 int binary
= FALSE
;
17586 if (check_restricted() || check_secure())
17589 if (argvars
[0].v_type
!= VAR_LIST
)
17591 EMSG2(_(e_listarg
), "writefile()");
17594 if (argvars
[0].vval
.v_list
== NULL
)
17597 if (argvars
[2].v_type
!= VAR_UNKNOWN
17598 && STRCMP(get_tv_string(&argvars
[2]), "b") == 0)
17601 /* Always open the file in binary mode, library functions have a mind of
17602 * their own about CR-LF conversion. */
17603 fname
= get_tv_string(&argvars
[1]);
17604 if (*fname
== NUL
|| (fd
= mch_fopen((char *)fname
, WRITEBIN
)) == NULL
)
17606 EMSG2(_(e_notcreate
), *fname
== NUL
? (char_u
*)_("<empty>") : fname
);
17611 for (li
= argvars
[0].vval
.v_list
->lv_first
; li
!= NULL
;
17614 for (s
= get_tv_string(&li
->li_tv
); *s
!= NUL
; ++s
)
17626 if (!binary
|| li
->li_next
!= NULL
)
17627 if (putc('\n', fd
) == EOF
)
17641 rettv
->vval
.v_number
= ret
;
17645 * Translate a String variable into a position.
17646 * Returns NULL when there is an error.
17649 var2fpos(varp
, dollar_lnum
, fnum
)
17651 int dollar_lnum
; /* TRUE when $ is last line */
17652 int *fnum
; /* set to fnum for '0, 'A, etc. */
17658 /* Argument can be [lnum, col, coladd]. */
17659 if (varp
->v_type
== VAR_LIST
)
17666 l
= varp
->vval
.v_list
;
17670 /* Get the line number */
17671 pos
.lnum
= list_find_nr(l
, 0L, &error
);
17672 if (error
|| pos
.lnum
<= 0 || pos
.lnum
> curbuf
->b_ml
.ml_line_count
)
17673 return NULL
; /* invalid line number */
17675 /* Get the column number */
17676 pos
.col
= list_find_nr(l
, 1L, &error
);
17679 len
= (long)STRLEN(ml_get(pos
.lnum
));
17681 /* We accept "$" for the column number: last column. */
17682 li
= list_find(l
, 1L);
17683 if (li
!= NULL
&& li
->li_tv
.v_type
== VAR_STRING
17684 && li
->li_tv
.vval
.v_string
!= NULL
17685 && STRCMP(li
->li_tv
.vval
.v_string
, "$") == 0)
17688 /* Accept a position up to the NUL after the line. */
17689 if (pos
.col
== 0 || (int)pos
.col
> len
+ 1)
17690 return NULL
; /* invalid column number */
17693 #ifdef FEAT_VIRTUALEDIT
17694 /* Get the virtual offset. Defaults to zero. */
17695 pos
.coladd
= list_find_nr(l
, 2L, &error
);
17703 name
= get_tv_string_chk(varp
);
17706 if (name
[0] == '.') /* cursor */
17707 return &curwin
->w_cursor
;
17709 if (name
[0] == 'v' && name
[1] == NUL
) /* Visual start */
17713 return &curwin
->w_cursor
;
17716 if (name
[0] == '\'') /* mark */
17718 pp
= getmark_fnum(name
[1], FALSE
, fnum
);
17719 if (pp
== NULL
|| pp
== (pos_T
*)-1 || pp
->lnum
<= 0)
17724 #ifdef FEAT_VIRTUALEDIT
17728 if (name
[0] == 'w' && dollar_lnum
)
17731 if (name
[1] == '0') /* "w0": first visible line */
17734 pos
.lnum
= curwin
->w_topline
;
17737 else if (name
[1] == '$') /* "w$": last visible line */
17739 validate_botline();
17740 pos
.lnum
= curwin
->w_botline
- 1;
17744 else if (name
[0] == '$') /* last column or line */
17748 pos
.lnum
= curbuf
->b_ml
.ml_line_count
;
17753 pos
.lnum
= curwin
->w_cursor
.lnum
;
17754 pos
.col
= (colnr_T
)STRLEN(ml_get_curline());
17762 * Convert list in "arg" into a position and optional file number.
17763 * When "fnump" is NULL there is no file number, only 3 items.
17764 * Note that the column is passed on as-is, the caller may want to decrement
17765 * it to use 1 for the first column.
17766 * Return FAIL when conversion is not possible, doesn't check the position for
17770 list2fpos(arg
, posp
, fnump
)
17775 list_T
*l
= arg
->vval
.v_list
;
17779 /* List must be: [fnum, lnum, col, coladd], where "fnum" is only there
17780 * when "fnump" isn't NULL and "coladd" is optional. */
17781 if (arg
->v_type
!= VAR_LIST
17783 || l
->lv_len
< (fnump
== NULL
? 2 : 3)
17784 || l
->lv_len
> (fnump
== NULL
? 3 : 4))
17789 n
= list_find_nr(l
, i
++, NULL
); /* fnum */
17793 n
= curbuf
->b_fnum
; /* current buffer */
17797 n
= list_find_nr(l
, i
++, NULL
); /* lnum */
17802 n
= list_find_nr(l
, i
++, NULL
); /* col */
17807 #ifdef FEAT_VIRTUALEDIT
17808 n
= list_find_nr(l
, i
, NULL
);
17819 * Get the length of an environment variable name.
17820 * Advance "arg" to the first character after the name.
17821 * Return 0 for error.
17830 for (p
= *arg
; vim_isIDc(*p
); ++p
)
17832 if (p
== *arg
) /* no name found */
17835 len
= (int)(p
- *arg
);
17841 * Get the length of the name of a function or internal variable.
17842 * "arg" is advanced to the first non-white character after the name.
17843 * Return 0 if something is wrong.
17852 /* Find the end of the name. */
17853 for (p
= *arg
; eval_isnamec(*p
); ++p
)
17855 if (p
== *arg
) /* no name found */
17858 len
= (int)(p
- *arg
);
17859 *arg
= skipwhite(p
);
17865 * Get the length of the name of a variable or function.
17866 * Only the name is recognized, does not handle ".key" or "[idx]".
17867 * "arg" is advanced to the first non-white character after the name.
17868 * Return -1 if curly braces expansion failed.
17869 * Return 0 if something else is wrong.
17870 * If the name contains 'magic' {}'s, expand them and return the
17871 * expanded name in an allocated string via 'alias' - caller must free.
17874 get_name_len(arg
, alias
, evaluate
, verbose
)
17882 char_u
*expr_start
;
17885 *alias
= NULL
; /* default to no alias */
17887 if ((*arg
)[0] == K_SPECIAL
&& (*arg
)[1] == KS_EXTRA
17888 && (*arg
)[2] == (int)KE_SNR
)
17890 /* hard coded <SNR>, already translated */
17892 return get_id_len(arg
) + 3;
17894 len
= eval_fname_script(*arg
);
17897 /* literal "<SID>", "s:" or "<SNR>" */
17902 * Find the end of the name; check for {} construction.
17904 p
= find_name_end(*arg
, &expr_start
, &expr_end
,
17905 len
> 0 ? 0 : FNE_CHECK_START
);
17906 if (expr_start
!= NULL
)
17908 char_u
*temp_string
;
17912 len
+= (int)(p
- *arg
);
17913 *arg
= skipwhite(p
);
17918 * Include any <SID> etc in the expanded string:
17919 * Thus the -len here.
17921 temp_string
= make_expanded_name(*arg
- len
, expr_start
, expr_end
, p
);
17922 if (temp_string
== NULL
)
17924 *alias
= temp_string
;
17925 *arg
= skipwhite(p
);
17926 return (int)STRLEN(temp_string
);
17929 len
+= get_id_len(arg
);
17930 if (len
== 0 && verbose
)
17931 EMSG2(_(e_invexpr2
), *arg
);
17937 * Find the end of a variable or function name, taking care of magic braces.
17938 * If "expr_start" is not NULL then "expr_start" and "expr_end" are set to the
17939 * start and end of the first magic braces item.
17940 * "flags" can have FNE_INCL_BR and FNE_CHECK_START.
17941 * Return a pointer to just after the name. Equal to "arg" if there is no
17945 find_name_end(arg
, expr_start
, expr_end
, flags
)
17947 char_u
**expr_start
;
17955 if (expr_start
!= NULL
)
17957 *expr_start
= NULL
;
17961 /* Quick check for valid starting character. */
17962 if ((flags
& FNE_CHECK_START
) && !eval_isnamec1(*arg
) && *arg
!= '{')
17965 for (p
= arg
; *p
!= NUL
17966 && (eval_isnamec(*p
)
17968 || ((flags
& FNE_INCL_BR
) && (*p
== '[' || *p
== '.'))
17970 || br_nest
!= 0); mb_ptr_adv(p
))
17974 /* skip over 'string' to avoid counting [ and ] inside it. */
17975 for (p
= p
+ 1; *p
!= NUL
&& *p
!= '\''; mb_ptr_adv(p
))
17980 else if (*p
== '"')
17982 /* skip over "str\"ing" to avoid counting [ and ] inside it. */
17983 for (p
= p
+ 1; *p
!= NUL
&& *p
!= '"'; mb_ptr_adv(p
))
17984 if (*p
== '\\' && p
[1] != NUL
)
17994 else if (*p
== ']')
18003 if (expr_start
!= NULL
&& *expr_start
== NULL
)
18006 else if (*p
== '}')
18009 if (expr_start
!= NULL
&& mb_nest
== 0 && *expr_end
== NULL
)
18019 * Expands out the 'magic' {}'s in a variable/function name.
18020 * Note that this can call itself recursively, to deal with
18021 * constructs like foo{bar}{baz}{bam}
18022 * The four pointer arguments point to "foo{expre}ss{ion}bar"
18028 * Returns a new allocated string, which the caller must free.
18029 * Returns NULL for failure.
18032 make_expanded_name(in_start
, expr_start
, expr_end
, in_end
)
18034 char_u
*expr_start
;
18039 char_u
*retval
= NULL
;
18040 char_u
*temp_result
;
18041 char_u
*nextcmd
= NULL
;
18043 if (expr_end
== NULL
|| in_end
== NULL
)
18050 temp_result
= eval_to_string(expr_start
+ 1, &nextcmd
, FALSE
);
18051 if (temp_result
!= NULL
&& nextcmd
== NULL
)
18053 retval
= alloc((unsigned)(STRLEN(temp_result
) + (expr_start
- in_start
)
18054 + (in_end
- expr_end
) + 1));
18055 if (retval
!= NULL
)
18057 STRCPY(retval
, in_start
);
18058 STRCAT(retval
, temp_result
);
18059 STRCAT(retval
, expr_end
+ 1);
18062 vim_free(temp_result
);
18064 *in_end
= c1
; /* put char back for error messages */
18068 if (retval
!= NULL
)
18070 temp_result
= find_name_end(retval
, &expr_start
, &expr_end
, 0);
18071 if (expr_start
!= NULL
)
18073 /* Further expansion! */
18074 temp_result
= make_expanded_name(retval
, expr_start
,
18075 expr_end
, temp_result
);
18077 retval
= temp_result
;
18085 * Return TRUE if character "c" can be used in a variable or function name.
18086 * Does not include '{' or '}' for magic braces.
18092 return (ASCII_ISALNUM(c
) || c
== '_' || c
== ':' || c
== AUTOLOAD_CHAR
);
18096 * Return TRUE if character "c" can be used as the first character in a
18097 * variable or function name (excluding '{' and '}').
18103 return (ASCII_ISALPHA(c
) || c
== '_');
18107 * Set number v: variable to "val".
18110 set_vim_var_nr(idx
, val
)
18114 vimvars
[idx
].vv_nr
= val
;
18118 * Get number v: variable value.
18121 get_vim_var_nr(idx
)
18124 return vimvars
[idx
].vv_nr
;
18128 * Get string v: variable value. Uses a static buffer, can only be used once.
18131 get_vim_var_str(idx
)
18134 return get_tv_string(&vimvars
[idx
].vv_tv
);
18138 * Get List v: variable value. Caller must take care of reference count when
18142 get_vim_var_list(idx
)
18145 return vimvars
[idx
].vv_list
;
18149 * Set v:char to character "c".
18152 set_vim_var_char(c
)
18156 char_u buf
[MB_MAXBYTES
];
18163 buf
[(*mb_char2bytes
)(c
, buf
)] = NUL
;
18170 set_vim_var_string(VV_CHAR
, buf
, -1);
18174 * Set v:count to "count" and v:count1 to "count1".
18175 * When "set_prevcount" is TRUE first set v:prevcount from v:count.
18178 set_vcount(count
, count1
, set_prevcount
)
18184 vimvars
[VV_PREVCOUNT
].vv_nr
= vimvars
[VV_COUNT
].vv_nr
;
18185 vimvars
[VV_COUNT
].vv_nr
= count
;
18186 vimvars
[VV_COUNT1
].vv_nr
= count1
;
18190 * Set string v: variable to a copy of "val".
18193 set_vim_var_string(idx
, val
, len
)
18196 int len
; /* length of "val" to use or -1 (whole string) */
18198 /* Need to do this (at least) once, since we can't initialize a union.
18199 * Will always be invoked when "v:progname" is set. */
18200 vimvars
[VV_VERSION
].vv_nr
= VIM_VERSION_100
;
18202 vim_free(vimvars
[idx
].vv_str
);
18204 vimvars
[idx
].vv_str
= NULL
;
18205 else if (len
== -1)
18206 vimvars
[idx
].vv_str
= vim_strsave(val
);
18208 vimvars
[idx
].vv_str
= vim_strnsave(val
, len
);
18212 * Set List v: variable to "val".
18215 set_vim_var_list(idx
, val
)
18219 list_unref(vimvars
[idx
].vv_list
);
18220 vimvars
[idx
].vv_list
= val
;
18222 ++val
->lv_refcount
;
18226 * Set v:register if needed.
18234 if (c
== 0 || c
== ' ')
18238 /* Avoid free/alloc when the value is already right. */
18239 if (vimvars
[VV_REG
].vv_str
== NULL
|| vimvars
[VV_REG
].vv_str
[0] != c
)
18240 set_vim_var_string(VV_REG
, ®name
, 1);
18244 * Get or set v:exception. If "oldval" == NULL, return the current value.
18245 * Otherwise, restore the value to "oldval" and return NULL.
18246 * Must always be called in pairs to save and restore v:exception! Does not
18247 * take care of memory allocations.
18250 v_exception(oldval
)
18253 if (oldval
== NULL
)
18254 return vimvars
[VV_EXCEPTION
].vv_str
;
18256 vimvars
[VV_EXCEPTION
].vv_str
= oldval
;
18261 * Get or set v:throwpoint. If "oldval" == NULL, return the current value.
18262 * Otherwise, restore the value to "oldval" and return NULL.
18263 * Must always be called in pairs to save and restore v:throwpoint! Does not
18264 * take care of memory allocations.
18267 v_throwpoint(oldval
)
18270 if (oldval
== NULL
)
18271 return vimvars
[VV_THROWPOINT
].vv_str
;
18273 vimvars
[VV_THROWPOINT
].vv_str
= oldval
;
18277 #if defined(FEAT_AUTOCMD) || defined(PROTO)
18280 * If "eap" != NULL, use "eap" to generate the value and return the old value.
18281 * If "oldarg" != NULL, restore the value to "oldarg" and return NULL.
18282 * Must always be called in pairs!
18285 set_cmdarg(eap
, oldarg
)
18293 oldval
= vimvars
[VV_CMDARG
].vv_str
;
18297 vimvars
[VV_CMDARG
].vv_str
= oldarg
;
18301 if (eap
->force_bin
== FORCE_BIN
)
18303 else if (eap
->force_bin
== FORCE_NOBIN
)
18308 if (eap
->read_edit
)
18311 if (eap
->force_ff
!= 0)
18312 len
+= (unsigned)STRLEN(eap
->cmd
+ eap
->force_ff
) + 6;
18314 if (eap
->force_enc
!= 0)
18315 len
+= (unsigned)STRLEN(eap
->cmd
+ eap
->force_enc
) + 7;
18316 if (eap
->bad_char
!= 0)
18317 len
+= 7 + 4; /* " ++bad=" + "keep" or "drop" */
18320 newval
= alloc(len
+ 1);
18321 if (newval
== NULL
)
18324 if (eap
->force_bin
== FORCE_BIN
)
18325 sprintf((char *)newval
, " ++bin");
18326 else if (eap
->force_bin
== FORCE_NOBIN
)
18327 sprintf((char *)newval
, " ++nobin");
18331 if (eap
->read_edit
)
18332 STRCAT(newval
, " ++edit");
18334 if (eap
->force_ff
!= 0)
18335 sprintf((char *)newval
+ STRLEN(newval
), " ++ff=%s",
18336 eap
->cmd
+ eap
->force_ff
);
18338 if (eap
->force_enc
!= 0)
18339 sprintf((char *)newval
+ STRLEN(newval
), " ++enc=%s",
18340 eap
->cmd
+ eap
->force_enc
);
18341 if (eap
->bad_char
== BAD_KEEP
)
18342 STRCPY(newval
+ STRLEN(newval
), " ++bad=keep");
18343 else if (eap
->bad_char
== BAD_DROP
)
18344 STRCPY(newval
+ STRLEN(newval
), " ++bad=drop");
18345 else if (eap
->bad_char
!= 0)
18346 sprintf((char *)newval
+ STRLEN(newval
), " ++bad=%c", eap
->bad_char
);
18348 vimvars
[VV_CMDARG
].vv_str
= newval
;
18354 * Get the value of internal variable "name".
18355 * Return OK or FAIL.
18358 get_var_tv(name
, len
, rettv
, verbose
)
18360 int len
; /* length of "name" */
18361 typval_T
*rettv
; /* NULL when only checking existence */
18362 int verbose
; /* may give error message */
18365 typval_T
*tv
= NULL
;
18370 /* truncate the name, so that we can use strcmp() */
18375 * Check for "b:changedtick".
18377 if (STRCMP(name
, "b:changedtick") == 0)
18379 atv
.v_type
= VAR_NUMBER
;
18380 atv
.vval
.v_number
= curbuf
->b_changedtick
;
18385 * Check for user-defined variables.
18389 v
= find_var(name
, NULL
);
18396 if (rettv
!= NULL
&& verbose
)
18397 EMSG2(_(e_undefvar
), name
);
18400 else if (rettv
!= NULL
)
18401 copy_tv(tv
, rettv
);
18409 * Handle expr[expr], expr[expr:expr] subscript and .name lookup.
18410 * Also handle function call with Funcref variable: func(expr)
18411 * Can all be combined: dict.func(expr)[idx]['func'](expr)
18414 handle_subscript(arg
, rettv
, evaluate
, verbose
)
18417 int evaluate
; /* do more than finding the end */
18418 int verbose
; /* give error messages */
18421 dict_T
*selfdict
= NULL
;
18428 || (**arg
== '.' && rettv
->v_type
== VAR_DICT
)
18429 || (**arg
== '(' && rettv
->v_type
== VAR_FUNC
))
18430 && !vim_iswhite(*(*arg
- 1)))
18434 /* need to copy the funcref so that we can clear rettv */
18436 rettv
->v_type
= VAR_UNKNOWN
;
18438 /* Invoke the function. Recursive! */
18439 s
= functv
.vval
.v_string
;
18440 ret
= get_func_tv(s
, (int)STRLEN(s
), rettv
, arg
,
18441 curwin
->w_cursor
.lnum
, curwin
->w_cursor
.lnum
,
18442 &len
, evaluate
, selfdict
);
18444 /* Clear the funcref afterwards, so that deleting it while
18445 * evaluating the arguments is possible (see test55). */
18448 /* Stop the expression evaluation when immediately aborting on
18449 * error, or when an interrupt occurred or an exception was thrown
18450 * but not caught. */
18457 dict_unref(selfdict
);
18460 else /* **arg == '[' || **arg == '.' */
18462 dict_unref(selfdict
);
18463 if (rettv
->v_type
== VAR_DICT
)
18465 selfdict
= rettv
->vval
.v_dict
;
18466 if (selfdict
!= NULL
)
18467 ++selfdict
->dv_refcount
;
18471 if (eval_index(arg
, rettv
, evaluate
, verbose
) == FAIL
)
18478 dict_unref(selfdict
);
18483 * Allocate memory for a variable type-value, and make it empty (0 or NULL
18489 return (typval_T
*)alloc_clear((unsigned)sizeof(typval_T
));
18493 * Allocate memory for a variable type-value, and assign a string to it.
18494 * The string "s" must have been allocated, it is consumed.
18495 * Return NULL for out of memory, the variable otherwise.
18503 rettv
= alloc_tv();
18506 rettv
->v_type
= VAR_STRING
;
18507 rettv
->vval
.v_string
= s
;
18515 * Free the memory for a variable type-value.
18523 switch (varp
->v_type
)
18526 func_unref(varp
->vval
.v_string
);
18529 vim_free(varp
->vval
.v_string
);
18532 list_unref(varp
->vval
.v_list
);
18535 dict_unref(varp
->vval
.v_dict
);
18544 EMSG2(_(e_intern2
), "free_tv()");
18552 * Free the memory for a variable value and set the value to NULL or 0.
18560 switch (varp
->v_type
)
18563 func_unref(varp
->vval
.v_string
);
18566 vim_free(varp
->vval
.v_string
);
18567 varp
->vval
.v_string
= NULL
;
18570 list_unref(varp
->vval
.v_list
);
18571 varp
->vval
.v_list
= NULL
;
18574 dict_unref(varp
->vval
.v_dict
);
18575 varp
->vval
.v_dict
= NULL
;
18578 varp
->vval
.v_number
= 0;
18582 varp
->vval
.v_float
= 0.0;
18588 EMSG2(_(e_intern2
), "clear_tv()");
18595 * Set the value of a variable to NULL without freeing items.
18602 vim_memset(varp
, 0, sizeof(typval_T
));
18606 * Get the number value of a variable.
18607 * If it is a String variable, uses vim_str2nr().
18608 * For incompatible types, return 0.
18609 * get_tv_number_chk() is similar to get_tv_number(), but informs the
18610 * caller of incompatible types: it sets *denote to TRUE if "denote"
18611 * is not NULL or returns -1 otherwise.
18614 get_tv_number(varp
)
18619 return get_tv_number_chk(varp
, &error
); /* return 0L on error */
18623 get_tv_number_chk(varp
, denote
)
18629 switch (varp
->v_type
)
18632 return (long)(varp
->vval
.v_number
);
18635 EMSG(_("E805: Using a Float as a Number"));
18639 EMSG(_("E703: Using a Funcref as a Number"));
18642 if (varp
->vval
.v_string
!= NULL
)
18643 vim_str2nr(varp
->vval
.v_string
, NULL
, NULL
,
18644 TRUE
, TRUE
, &n
, NULL
);
18647 EMSG(_("E745: Using a List as a Number"));
18650 EMSG(_("E728: Using a Dictionary as a Number"));
18653 EMSG2(_(e_intern2
), "get_tv_number()");
18656 if (denote
== NULL
) /* useful for values that must be unsigned */
18664 * Get the lnum from the first argument.
18665 * Also accepts ".", "$", etc., but that only works for the current buffer.
18666 * Returns -1 on error.
18669 get_tv_lnum(argvars
)
18675 lnum
= get_tv_number_chk(&argvars
[0], NULL
);
18676 if (lnum
== 0) /* no valid number, try using line() */
18678 rettv
.v_type
= VAR_NUMBER
;
18679 f_line(argvars
, &rettv
);
18680 lnum
= rettv
.vval
.v_number
;
18687 * Get the lnum from the first argument.
18688 * Also accepts "$", then "buf" is used.
18689 * Returns 0 on error.
18692 get_tv_lnum_buf(argvars
, buf
)
18696 if (argvars
[0].v_type
== VAR_STRING
18697 && argvars
[0].vval
.v_string
!= NULL
18698 && argvars
[0].vval
.v_string
[0] == '$'
18700 return buf
->b_ml
.ml_line_count
;
18701 return get_tv_number_chk(&argvars
[0], NULL
);
18705 * Get the string value of a variable.
18706 * If it is a Number variable, the number is converted into a string.
18707 * get_tv_string() uses a single, static buffer. YOU CAN ONLY USE IT ONCE!
18708 * get_tv_string_buf() uses a given buffer.
18709 * If the String variable has never been set, return an empty string.
18710 * Never returns NULL;
18711 * get_tv_string_chk() and get_tv_string_buf_chk() are similar, but return
18715 get_tv_string(varp
)
18718 static char_u mybuf
[NUMBUFLEN
];
18720 return get_tv_string_buf(varp
, mybuf
);
18724 get_tv_string_buf(varp
, buf
)
18728 char_u
*res
= get_tv_string_buf_chk(varp
, buf
);
18730 return res
!= NULL
? res
: (char_u
*)"";
18734 get_tv_string_chk(varp
)
18737 static char_u mybuf
[NUMBUFLEN
];
18739 return get_tv_string_buf_chk(varp
, mybuf
);
18743 get_tv_string_buf_chk(varp
, buf
)
18747 switch (varp
->v_type
)
18750 sprintf((char *)buf
, "%ld", (long)varp
->vval
.v_number
);
18753 EMSG(_("E729: using Funcref as a String"));
18756 EMSG(_("E730: using List as a String"));
18759 EMSG(_("E731: using Dictionary as a String"));
18763 EMSG(_("E806: using Float as a String"));
18767 if (varp
->vval
.v_string
!= NULL
)
18768 return varp
->vval
.v_string
;
18769 return (char_u
*)"";
18771 EMSG2(_(e_intern2
), "get_tv_string_buf()");
18778 * Find variable "name" in the list of variables.
18779 * Return a pointer to it if found, NULL if not found.
18780 * Careful: "a:0" variables don't have a name.
18781 * When "htp" is not NULL we are writing to the variable, set "htp" to the
18784 static dictitem_T
*
18785 find_var(name
, htp
)
18792 ht
= find_var_ht(name
, &varname
);
18797 return find_var_in_ht(ht
, varname
, htp
!= NULL
);
18801 * Find variable "varname" in hashtab "ht".
18802 * Returns NULL if not found.
18804 static dictitem_T
*
18805 find_var_in_ht(ht
, varname
, writing
)
18812 if (*varname
== NUL
)
18814 /* Must be something like "s:", otherwise "ht" would be NULL. */
18815 switch (varname
[-2])
18817 case 's': return &SCRIPT_SV(current_SID
)->sv_var
;
18818 case 'g': return &globvars_var
;
18819 case 'v': return &vimvars_var
;
18820 case 'b': return &curbuf
->b_bufvar
;
18821 case 'w': return &curwin
->w_winvar
;
18822 #ifdef FEAT_WINDOWS
18823 case 't': return &curtab
->tp_winvar
;
18825 case 'l': return current_funccal
== NULL
18826 ? NULL
: ¤t_funccal
->l_vars_var
;
18827 case 'a': return current_funccal
== NULL
18828 ? NULL
: ¤t_funccal
->l_avars_var
;
18833 hi
= hash_find(ht
, varname
);
18834 if (HASHITEM_EMPTY(hi
))
18836 /* For global variables we may try auto-loading the script. If it
18837 * worked find the variable again. Don't auto-load a script if it was
18838 * loaded already, otherwise it would be loaded every time when
18839 * checking if a function name is a Funcref variable. */
18840 if (ht
== &globvarht
&& !writing
18841 && script_autoload(varname
, FALSE
) && !aborting())
18842 hi
= hash_find(ht
, varname
);
18843 if (HASHITEM_EMPTY(hi
))
18850 * Find the hashtab used for a variable name.
18851 * Set "varname" to the start of name without ':'.
18854 find_var_ht(name
, varname
)
18860 if (name
[1] != ':')
18862 /* The name must not start with a colon or #. */
18863 if (name
[0] == ':' || name
[0] == AUTOLOAD_CHAR
)
18867 /* "version" is "v:version" in all scopes */
18868 hi
= hash_find(&compat_hashtab
, name
);
18869 if (!HASHITEM_EMPTY(hi
))
18870 return &compat_hashtab
;
18872 if (current_funccal
== NULL
)
18873 return &globvarht
; /* global variable */
18874 return ¤t_funccal
->l_vars
.dv_hashtab
; /* l: variable */
18876 *varname
= name
+ 2;
18877 if (*name
== 'g') /* global variable */
18879 /* There must be no ':' or '#' in the rest of the name, unless g: is used
18881 if (vim_strchr(name
+ 2, ':') != NULL
18882 || vim_strchr(name
+ 2, AUTOLOAD_CHAR
) != NULL
)
18884 if (*name
== 'b') /* buffer variable */
18885 return &curbuf
->b_vars
.dv_hashtab
;
18886 if (*name
== 'w') /* window variable */
18887 return &curwin
->w_vars
.dv_hashtab
;
18888 #ifdef FEAT_WINDOWS
18889 if (*name
== 't') /* tab page variable */
18890 return &curtab
->tp_vars
.dv_hashtab
;
18892 if (*name
== 'v') /* v: variable */
18894 if (*name
== 'a' && current_funccal
!= NULL
) /* function argument */
18895 return ¤t_funccal
->l_avars
.dv_hashtab
;
18896 if (*name
== 'l' && current_funccal
!= NULL
) /* local function variable */
18897 return ¤t_funccal
->l_vars
.dv_hashtab
;
18898 if (*name
== 's' /* script variable */
18899 && current_SID
> 0 && current_SID
<= ga_scripts
.ga_len
)
18900 return &SCRIPT_VARS(current_SID
);
18905 * Get the string value of a (global/local) variable.
18906 * Returns NULL when it doesn't exist.
18909 get_var_value(name
)
18914 v
= find_var(name
, NULL
);
18917 return get_tv_string(&v
->di_tv
);
18921 * Allocate a new hashtab for a sourced script. It will be used while
18922 * sourcing this script and when executing functions defined in the script.
18925 new_script_vars(id
)
18932 if (ga_grow(&ga_scripts
, (int)(id
- ga_scripts
.ga_len
)) == OK
)
18934 /* Re-allocating ga_data means that an ht_array pointing to
18935 * ht_smallarray becomes invalid. We can recognize this: ht_mask is
18936 * at its init value. Also reset "v_dict", it's always the same. */
18937 for (i
= 1; i
<= ga_scripts
.ga_len
; ++i
)
18939 ht
= &SCRIPT_VARS(i
);
18940 if (ht
->ht_mask
== HT_INIT_SIZE
- 1)
18941 ht
->ht_array
= ht
->ht_smallarray
;
18943 sv
->sv_var
.di_tv
.vval
.v_dict
= &sv
->sv_dict
;
18946 while (ga_scripts
.ga_len
< id
)
18948 sv
= SCRIPT_SV(ga_scripts
.ga_len
+ 1) =
18949 (scriptvar_T
*)alloc_clear(sizeof(scriptvar_T
));
18950 init_var_dict(&sv
->sv_dict
, &sv
->sv_var
);
18951 ++ga_scripts
.ga_len
;
18957 * Initialize dictionary "dict" as a scope and set variable "dict_var" to
18961 init_var_dict(dict
, dict_var
)
18963 dictitem_T
*dict_var
;
18965 hash_init(&dict
->dv_hashtab
);
18966 dict
->dv_refcount
= DO_NOT_FREE_CNT
;
18967 dict
->dv_copyID
= 0;
18968 dict_var
->di_tv
.vval
.v_dict
= dict
;
18969 dict_var
->di_tv
.v_type
= VAR_DICT
;
18970 dict_var
->di_tv
.v_lock
= VAR_FIXED
;
18971 dict_var
->di_flags
= DI_FLAGS_RO
| DI_FLAGS_FIX
;
18972 dict_var
->di_key
[0] = NUL
;
18976 * Clean up a list of internal variables.
18977 * Frees all allocated variables and the value they contain.
18978 * Clears hashtab "ht", does not free it.
18984 vars_clear_ext(ht
, TRUE
);
18988 * Like vars_clear(), but only free the value if "free_val" is TRUE.
18991 vars_clear_ext(ht
, free_val
)
19000 todo
= (int)ht
->ht_used
;
19001 for (hi
= ht
->ht_array
; todo
> 0; ++hi
)
19003 if (!HASHITEM_EMPTY(hi
))
19007 /* Free the variable. Don't remove it from the hashtab,
19008 * ht_array might change then. hash_clear() takes care of it
19012 clear_tv(&v
->di_tv
);
19013 if ((v
->di_flags
& DI_FLAGS_FIX
) == 0)
19022 * Delete a variable from hashtab "ht" at item "hi".
19023 * Clear the variable value and free the dictitem.
19030 dictitem_T
*di
= HI2DI(hi
);
19032 hash_remove(ht
, hi
);
19033 clear_tv(&di
->di_tv
);
19038 * List the value of one internal variable.
19041 list_one_var(v
, prefix
, first
)
19048 char_u numbuf
[NUMBUFLEN
];
19050 current_copyID
+= COPYID_INC
;
19051 s
= echo_string(&v
->di_tv
, &tofree
, numbuf
, current_copyID
);
19052 list_one_var_a(prefix
, v
->di_key
, v
->di_tv
.v_type
,
19053 s
== NULL
? (char_u
*)"" : s
, first
);
19058 list_one_var_a(prefix
, name
, type
, string
, first
)
19063 int *first
; /* when TRUE clear rest of screen and set to FALSE */
19065 /* don't use msg() or msg_attr() to avoid overwriting "v:statusmsg" */
19068 if (name
!= NULL
) /* "a:" vars don't have a name stored */
19072 if (type
== VAR_NUMBER
)
19074 else if (type
== VAR_FUNC
)
19076 else if (type
== VAR_LIST
)
19079 if (*string
== '[')
19082 else if (type
== VAR_DICT
)
19085 if (*string
== '{')
19091 msg_outtrans(string
);
19093 if (type
== VAR_FUNC
)
19094 msg_puts((char_u
*)"()");
19103 * Set variable "name" to value in "tv".
19104 * If the variable already exists, the value is updated.
19105 * Otherwise the variable is created.
19108 set_var(name
, tv
, copy
)
19111 int copy
; /* make copy of value in "tv" */
19118 ht
= find_var_ht(name
, &varname
);
19119 if (ht
== NULL
|| *varname
== NUL
)
19121 EMSG2(_(e_illvar
), name
);
19124 v
= find_var_in_ht(ht
, varname
, TRUE
);
19126 if (tv
->v_type
== VAR_FUNC
)
19128 if (!(vim_strchr((char_u
*)"wbs", name
[0]) != NULL
&& name
[1] == ':')
19129 && !ASCII_ISUPPER((name
[0] != NUL
&& name
[1] == ':')
19130 ? name
[2] : name
[0]))
19132 EMSG2(_("E704: Funcref variable name must start with a capital: %s"), name
);
19135 /* Don't allow hiding a function. When "v" is not NULL we migth be
19136 * assigning another function to the same var, the type is checked
19138 if (v
== NULL
&& function_exists(name
))
19140 EMSG2(_("E705: Variable name conflicts with existing function: %s"),
19148 /* existing variable, need to clear the value */
19149 if (var_check_ro(v
->di_flags
, name
)
19150 || tv_check_lock(v
->di_tv
.v_lock
, name
))
19152 if (v
->di_tv
.v_type
!= tv
->v_type
19153 && !((v
->di_tv
.v_type
== VAR_STRING
19154 || v
->di_tv
.v_type
== VAR_NUMBER
)
19155 && (tv
->v_type
== VAR_STRING
19156 || tv
->v_type
== VAR_NUMBER
))
19158 && !((v
->di_tv
.v_type
== VAR_NUMBER
19159 || v
->di_tv
.v_type
== VAR_FLOAT
)
19160 && (tv
->v_type
== VAR_NUMBER
19161 || tv
->v_type
== VAR_FLOAT
))
19165 EMSG2(_("E706: Variable type mismatch for: %s"), name
);
19170 * Handle setting internal v: variables separately: we don't change
19173 if (ht
== &vimvarht
)
19175 if (v
->di_tv
.v_type
== VAR_STRING
)
19177 vim_free(v
->di_tv
.vval
.v_string
);
19178 if (copy
|| tv
->v_type
!= VAR_STRING
)
19179 v
->di_tv
.vval
.v_string
= vim_strsave(get_tv_string(tv
));
19182 /* Take over the string to avoid an extra alloc/free. */
19183 v
->di_tv
.vval
.v_string
= tv
->vval
.v_string
;
19184 tv
->vval
.v_string
= NULL
;
19187 else if (v
->di_tv
.v_type
!= VAR_NUMBER
)
19188 EMSG2(_(e_intern2
), "set_var()");
19191 v
->di_tv
.vval
.v_number
= get_tv_number(tv
);
19192 if (STRCMP(varname
, "searchforward") == 0)
19193 set_search_direction(v
->di_tv
.vval
.v_number
? '/' : '?');
19198 clear_tv(&v
->di_tv
);
19200 else /* add a new variable */
19202 /* Can't add "v:" variable. */
19203 if (ht
== &vimvarht
)
19205 EMSG2(_(e_illvar
), name
);
19209 /* Make sure the variable name is valid. */
19210 for (p
= varname
; *p
!= NUL
; ++p
)
19211 if (!eval_isnamec1(*p
) && (p
== varname
|| !VIM_ISDIGIT(*p
))
19212 && *p
!= AUTOLOAD_CHAR
)
19214 EMSG2(_(e_illvar
), varname
);
19218 v
= (dictitem_T
*)alloc((unsigned)(sizeof(dictitem_T
)
19219 + STRLEN(varname
)));
19222 STRCPY(v
->di_key
, varname
);
19223 if (hash_add(ht
, DI2HIKEY(v
)) == FAIL
)
19231 if (copy
|| tv
->v_type
== VAR_NUMBER
|| tv
->v_type
== VAR_FLOAT
)
19232 copy_tv(tv
, &v
->di_tv
);
19236 v
->di_tv
.v_lock
= 0;
19242 * Return TRUE if di_flags "flags" indicates variable "name" is read-only.
19243 * Also give an error message.
19246 var_check_ro(flags
, name
)
19250 if (flags
& DI_FLAGS_RO
)
19252 EMSG2(_(e_readonlyvar
), name
);
19255 if ((flags
& DI_FLAGS_RO_SBX
) && sandbox
)
19257 EMSG2(_(e_readonlysbx
), name
);
19264 * Return TRUE if di_flags "flags" indicates variable "name" is fixed.
19265 * Also give an error message.
19268 var_check_fixed(flags
, name
)
19272 if (flags
& DI_FLAGS_FIX
)
19274 EMSG2(_("E795: Cannot delete variable %s"), name
);
19281 * Return TRUE if typeval "tv" is set to be locked (immutable).
19282 * Also give an error message, using "name".
19285 tv_check_lock(lock
, name
)
19289 if (lock
& VAR_LOCKED
)
19291 EMSG2(_("E741: Value is locked: %s"),
19292 name
== NULL
? (char_u
*)_("Unknown") : name
);
19295 if (lock
& VAR_FIXED
)
19297 EMSG2(_("E742: Cannot change value of %s"),
19298 name
== NULL
? (char_u
*)_("Unknown") : name
);
19305 * Copy the values from typval_T "from" to typval_T "to".
19306 * When needed allocates string or increases reference count.
19307 * Does not make a copy of a list or dict but copies the reference!
19308 * It is OK for "from" and "to" to point to the same item. This is used to
19309 * make a copy later.
19316 to
->v_type
= from
->v_type
;
19318 switch (from
->v_type
)
19321 to
->vval
.v_number
= from
->vval
.v_number
;
19325 to
->vval
.v_float
= from
->vval
.v_float
;
19330 if (from
->vval
.v_string
== NULL
)
19331 to
->vval
.v_string
= NULL
;
19334 to
->vval
.v_string
= vim_strsave(from
->vval
.v_string
);
19335 if (from
->v_type
== VAR_FUNC
)
19336 func_ref(to
->vval
.v_string
);
19340 if (from
->vval
.v_list
== NULL
)
19341 to
->vval
.v_list
= NULL
;
19344 to
->vval
.v_list
= from
->vval
.v_list
;
19345 ++to
->vval
.v_list
->lv_refcount
;
19349 if (from
->vval
.v_dict
== NULL
)
19350 to
->vval
.v_dict
= NULL
;
19353 to
->vval
.v_dict
= from
->vval
.v_dict
;
19354 ++to
->vval
.v_dict
->dv_refcount
;
19358 EMSG2(_(e_intern2
), "copy_tv()");
19364 * Make a copy of an item.
19365 * Lists and Dictionaries are also copied. A deep copy if "deep" is set.
19366 * For deepcopy() "copyID" is zero for a full copy or the ID for when a
19367 * reference to an already copied list/dict can be used.
19368 * Returns FAIL or OK.
19371 item_copy(from
, to
, deep
, copyID
)
19377 static int recurse
= 0;
19380 if (recurse
>= DICT_MAXNEST
)
19382 EMSG(_("E698: variable nested too deep for making a copy"));
19387 switch (from
->v_type
)
19398 to
->v_type
= VAR_LIST
;
19400 if (from
->vval
.v_list
== NULL
)
19401 to
->vval
.v_list
= NULL
;
19402 else if (copyID
!= 0 && from
->vval
.v_list
->lv_copyID
== copyID
)
19404 /* use the copy made earlier */
19405 to
->vval
.v_list
= from
->vval
.v_list
->lv_copylist
;
19406 ++to
->vval
.v_list
->lv_refcount
;
19409 to
->vval
.v_list
= list_copy(from
->vval
.v_list
, deep
, copyID
);
19410 if (to
->vval
.v_list
== NULL
)
19414 to
->v_type
= VAR_DICT
;
19416 if (from
->vval
.v_dict
== NULL
)
19417 to
->vval
.v_dict
= NULL
;
19418 else if (copyID
!= 0 && from
->vval
.v_dict
->dv_copyID
== copyID
)
19420 /* use the copy made earlier */
19421 to
->vval
.v_dict
= from
->vval
.v_dict
->dv_copydict
;
19422 ++to
->vval
.v_dict
->dv_refcount
;
19425 to
->vval
.v_dict
= dict_copy(from
->vval
.v_dict
, deep
, copyID
);
19426 if (to
->vval
.v_dict
== NULL
)
19430 EMSG2(_(e_intern2
), "item_copy()");
19438 * ":echo expr1 ..." print each argument separated with a space, add a
19439 * newline at the end.
19440 * ":echon expr1 ..." print each argument plain.
19446 char_u
*arg
= eap
->arg
;
19450 int needclr
= TRUE
;
19451 int atstart
= TRUE
;
19452 char_u numbuf
[NUMBUFLEN
];
19456 while (*arg
!= NUL
&& *arg
!= '|' && *arg
!= '\n' && !got_int
)
19458 /* If eval1() causes an error message the text from the command may
19459 * still need to be cleared. E.g., "echo 22,44". */
19460 need_clr_eos
= needclr
;
19463 if (eval1(&arg
, &rettv
, !eap
->skip
) == FAIL
)
19466 * Report the invalid expression unless the expression evaluation
19467 * has been cancelled due to an aborting error, an interrupt, or an
19471 EMSG2(_(e_invexpr2
), p
);
19472 need_clr_eos
= FALSE
;
19475 need_clr_eos
= FALSE
;
19482 /* Call msg_start() after eval1(), evaluating the expression
19483 * may cause a message to appear. */
19484 if (eap
->cmdidx
== CMD_echo
)
19487 else if (eap
->cmdidx
== CMD_echo
)
19488 msg_puts_attr((char_u
*)" ", echo_attr
);
19489 current_copyID
+= COPYID_INC
;
19490 p
= echo_string(&rettv
, &tofree
, numbuf
, current_copyID
);
19492 for ( ; *p
!= NUL
&& !got_int
; ++p
)
19494 if (*p
== '\n' || *p
== '\r' || *p
== TAB
)
19496 if (*p
!= TAB
&& needclr
)
19498 /* remove any text still there from the command */
19502 msg_putchar_attr(*p
, echo_attr
);
19509 int i
= (*mb_ptr2len
)(p
);
19511 (void)msg_outtrans_len_attr(p
, i
, echo_attr
);
19516 (void)msg_outtrans_len_attr(p
, 1, echo_attr
);
19522 arg
= skipwhite(arg
);
19524 eap
->nextcmd
= check_nextcmd(arg
);
19530 /* remove text that may still be there from the command */
19533 if (eap
->cmdidx
== CMD_echo
)
19539 * ":echohl {name}".
19547 id
= syn_name2id(eap
->arg
);
19551 echo_attr
= syn_id2attr(id
);
19555 * ":execute expr1 ..." execute the result of an expression.
19556 * ":echomsg expr1 ..." Print a message
19557 * ":echoerr expr1 ..." Print an error
19558 * Each gets spaces around each argument and a newline at the end for
19565 char_u
*arg
= eap
->arg
;
19573 ga_init2(&ga
, 1, 80);
19577 while (*arg
!= NUL
&& *arg
!= '|' && *arg
!= '\n')
19580 if (eval1(&arg
, &rettv
, !eap
->skip
) == FAIL
)
19583 * Report the invalid expression unless the expression evaluation
19584 * has been cancelled due to an aborting error, an interrupt, or an
19588 EMSG2(_(e_invexpr2
), p
);
19595 p
= get_tv_string(&rettv
);
19596 len
= (int)STRLEN(p
);
19597 if (ga_grow(&ga
, len
+ 2) == FAIL
)
19604 ((char_u
*)(ga
.ga_data
))[ga
.ga_len
++] = ' ';
19605 STRCPY((char_u
*)(ga
.ga_data
) + ga
.ga_len
, p
);
19610 arg
= skipwhite(arg
);
19613 if (ret
!= FAIL
&& ga
.ga_data
!= NULL
)
19615 if (eap
->cmdidx
== CMD_echomsg
)
19617 MSG_ATTR(ga
.ga_data
, echo_attr
);
19620 else if (eap
->cmdidx
== CMD_echoerr
)
19622 /* We don't want to abort following commands, restore did_emsg. */
19623 save_did_emsg
= did_emsg
;
19624 EMSG((char_u
*)ga
.ga_data
);
19626 did_emsg
= save_did_emsg
;
19628 else if (eap
->cmdidx
== CMD_execute
)
19629 do_cmdline((char_u
*)ga
.ga_data
,
19630 eap
->getline
, eap
->cookie
, DOCMD_NOWAIT
|DOCMD_VERBOSE
);
19638 eap
->nextcmd
= check_nextcmd(arg
);
19642 * Skip over the name of an option: "&option", "&g:option" or "&l:option".
19643 * "arg" points to the "&" or '+' when called, to "option" when returning.
19644 * Returns NULL when no option name found. Otherwise pointer to the char
19645 * after the option name.
19648 find_option_end(arg
, opt_flags
)
19655 if (*p
== 'g' && p
[1] == ':')
19657 *opt_flags
= OPT_GLOBAL
;
19660 else if (*p
== 'l' && p
[1] == ':')
19662 *opt_flags
= OPT_LOCAL
;
19668 if (!ASCII_ISALPHA(*p
))
19672 if (p
[0] == 't' && p
[1] == '_' && p
[2] != NUL
&& p
[3] != NUL
)
19673 p
+= 4; /* termcap option */
19675 while (ASCII_ISALPHA(*p
))
19690 int saved_did_emsg
;
19691 char_u
*name
= NULL
;
19694 char_u
*line_arg
= NULL
;
19697 int varargs
= FALSE
;
19698 int mustend
= FALSE
;
19703 char_u
*skip_until
= NULL
;
19706 static int func_nr
= 0; /* number for nameless function */
19711 int sourcing_lnum_off
;
19714 * ":function" without argument: list functions.
19716 if (ends_excmd(*eap
->arg
))
19720 todo
= (int)func_hashtab
.ht_used
;
19721 for (hi
= func_hashtab
.ht_array
; todo
> 0 && !got_int
; ++hi
)
19723 if (!HASHITEM_EMPTY(hi
))
19727 if (!isdigit(*fp
->uf_name
))
19728 list_func_head(fp
, FALSE
);
19732 eap
->nextcmd
= check_nextcmd(eap
->arg
);
19737 * ":function /pat": list functions matching pattern.
19739 if (*eap
->arg
== '/')
19741 p
= skip_regexp(eap
->arg
+ 1, '/', TRUE
, NULL
);
19744 regmatch_T regmatch
;
19748 regmatch
.regprog
= vim_regcomp(eap
->arg
+ 1, RE_MAGIC
);
19750 if (regmatch
.regprog
!= NULL
)
19752 regmatch
.rm_ic
= p_ic
;
19754 todo
= (int)func_hashtab
.ht_used
;
19755 for (hi
= func_hashtab
.ht_array
; todo
> 0 && !got_int
; ++hi
)
19757 if (!HASHITEM_EMPTY(hi
))
19761 if (!isdigit(*fp
->uf_name
)
19762 && vim_regexec(®match
, fp
->uf_name
, 0))
19763 list_func_head(fp
, FALSE
);
19766 vim_free(regmatch
.regprog
);
19771 eap
->nextcmd
= check_nextcmd(p
);
19776 * Get the function name. There are these situations:
19777 * func normal function name
19778 * "name" == func, "fudi.fd_dict" == NULL
19779 * dict.func new dictionary entry
19780 * "name" == NULL, "fudi.fd_dict" set,
19781 * "fudi.fd_di" == NULL, "fudi.fd_newkey" == func
19782 * dict.func existing dict entry with a Funcref
19783 * "name" == func, "fudi.fd_dict" set,
19784 * "fudi.fd_di" set, "fudi.fd_newkey" == NULL
19785 * dict.func existing dict entry that's not a Funcref
19786 * "name" == NULL, "fudi.fd_dict" set,
19787 * "fudi.fd_di" set, "fudi.fd_newkey" == NULL
19790 name
= trans_function_name(&p
, eap
->skip
, 0, &fudi
);
19791 paren
= (vim_strchr(p
, '(') != NULL
);
19792 if (name
== NULL
&& (fudi
.fd_dict
== NULL
|| !paren
) && !eap
->skip
)
19795 * Return on an invalid expression in braces, unless the expression
19796 * evaluation has been cancelled due to an aborting error, an
19797 * interrupt, or an exception.
19801 if (!eap
->skip
&& fudi
.fd_newkey
!= NULL
)
19802 EMSG2(_(e_dictkey
), fudi
.fd_newkey
);
19803 vim_free(fudi
.fd_newkey
);
19810 /* An error in a function call during evaluation of an expression in magic
19811 * braces should not cause the function not to be defined. */
19812 saved_did_emsg
= did_emsg
;
19816 * ":function func" with only function name: list function.
19820 if (!ends_excmd(*skipwhite(p
)))
19822 EMSG(_(e_trailing
));
19825 eap
->nextcmd
= check_nextcmd(p
);
19826 if (eap
->nextcmd
!= NULL
)
19828 if (!eap
->skip
&& !got_int
)
19830 fp
= find_func(name
);
19833 list_func_head(fp
, TRUE
);
19834 for (j
= 0; j
< fp
->uf_lines
.ga_len
&& !got_int
; ++j
)
19836 if (FUNCLINE(fp
, j
) == NULL
)
19839 msg_outnum((long)(j
+ 1));
19844 msg_prt_line(FUNCLINE(fp
, j
), FALSE
);
19845 out_flush(); /* show a line at a time */
19851 msg_puts((char_u
*)" endfunction");
19855 emsg_funcname(N_("E123: Undefined function: %s"), name
);
19861 * ":function name(arg1, arg2)" Define function.
19868 EMSG2(_("E124: Missing '(': %s"), eap
->arg
);
19871 /* attempt to continue by skipping some text */
19872 if (vim_strchr(p
, '(') != NULL
)
19873 p
= vim_strchr(p
, '(');
19875 p
= skipwhite(p
+ 1);
19877 ga_init2(&newargs
, (int)sizeof(char_u
*), 3);
19878 ga_init2(&newlines
, (int)sizeof(char_u
*), 3);
19882 /* Check the name of the function. Unless it's a dictionary function
19883 * (that we are overwriting). */
19887 arg
= fudi
.fd_newkey
;
19888 if (arg
!= NULL
&& (fudi
.fd_di
== NULL
19889 || fudi
.fd_di
->di_tv
.v_type
!= VAR_FUNC
))
19891 if (*arg
== K_SPECIAL
)
19895 while (arg
[j
] != NUL
&& (j
== 0 ? eval_isnamec1(arg
[j
])
19896 : eval_isnamec(arg
[j
])))
19899 emsg_funcname((char *)e_invarg2
, arg
);
19904 * Isolate the arguments: "arg1, arg2, ...)"
19908 if (p
[0] == '.' && p
[1] == '.' && p
[2] == '.')
19917 while (ASCII_ISALNUM(*p
) || *p
== '_')
19919 if (arg
== p
|| isdigit(*arg
)
19920 || (p
- arg
== 9 && STRNCMP(arg
, "firstline", 9) == 0)
19921 || (p
- arg
== 8 && STRNCMP(arg
, "lastline", 8) == 0))
19924 EMSG2(_("E125: Illegal argument: %s"), arg
);
19927 if (ga_grow(&newargs
, 1) == FAIL
)
19931 arg
= vim_strsave(arg
);
19934 ((char_u
**)(newargs
.ga_data
))[newargs
.ga_len
] = arg
;
19943 if (mustend
&& *p
!= ')')
19946 EMSG2(_(e_invarg2
), eap
->arg
);
19950 ++p
; /* skip the ')' */
19952 /* find extra arguments "range", "dict" and "abort" */
19956 if (STRNCMP(p
, "range", 5) == 0)
19961 else if (STRNCMP(p
, "dict", 4) == 0)
19966 else if (STRNCMP(p
, "abort", 5) == 0)
19975 /* When there is a line break use what follows for the function body.
19976 * Makes 'exe "func Test()\n...\nendfunc"' work. */
19979 else if (*p
!= NUL
&& *p
!= '"' && !eap
->skip
&& !did_emsg
)
19980 EMSG(_(e_trailing
));
19983 * Read the body of the function, until ":endfunction" is found.
19987 /* Check if the function already exists, don't let the user type the
19988 * whole function before telling him it doesn't work! For a script we
19989 * need to skip the body to be able to find what follows. */
19990 if (!eap
->skip
&& !eap
->forceit
)
19992 if (fudi
.fd_dict
!= NULL
&& fudi
.fd_newkey
== NULL
)
19993 EMSG(_(e_funcdict
));
19994 else if (name
!= NULL
&& find_func(name
) != NULL
)
19995 emsg_funcname(e_funcexts
, name
);
19998 if (!eap
->skip
&& did_emsg
)
20001 msg_putchar('\n'); /* don't overwrite the function name */
20002 cmdline_row
= msg_row
;
20010 need_wait_return
= FALSE
;
20011 sourcing_lnum_off
= sourcing_lnum
;
20013 if (line_arg
!= NULL
)
20015 /* Use eap->arg, split up in parts by line breaks. */
20016 theline
= line_arg
;
20017 p
= vim_strchr(theline
, '\n');
20019 line_arg
+= STRLEN(line_arg
);
20026 else if (eap
->getline
== NULL
)
20027 theline
= getcmdline(':', 0L, indent
);
20029 theline
= eap
->getline(':', eap
->cookie
, indent
);
20031 lines_left
= Rows
- 1;
20032 if (theline
== NULL
)
20034 EMSG(_("E126: Missing :endfunction"));
20038 /* Detect line continuation: sourcing_lnum increased more than one. */
20039 if (sourcing_lnum
> sourcing_lnum_off
+ 1)
20040 sourcing_lnum_off
= sourcing_lnum
- sourcing_lnum_off
- 1;
20042 sourcing_lnum_off
= 0;
20044 if (skip_until
!= NULL
)
20046 /* between ":append" and "." and between ":python <<EOF" and "EOF"
20047 * don't check for ":endfunc". */
20048 if (STRCMP(theline
, skip_until
) == 0)
20050 vim_free(skip_until
);
20056 /* skip ':' and blanks*/
20057 for (p
= theline
; vim_iswhite(*p
) || *p
== ':'; ++p
)
20060 /* Check for "endfunction". */
20061 if (checkforcmd(&p
, "endfunction", 4) && nesting
-- == 0)
20063 if (line_arg
== NULL
)
20068 /* Increase indent inside "if", "while", "for" and "try", decrease
20070 if (indent
> 2 && STRNCMP(p
, "end", 3) == 0)
20072 else if (STRNCMP(p
, "if", 2) == 0
20073 || STRNCMP(p
, "wh", 2) == 0
20074 || STRNCMP(p
, "for", 3) == 0
20075 || STRNCMP(p
, "try", 3) == 0)
20078 /* Check for defining a function inside this function. */
20079 if (checkforcmd(&p
, "function", 2))
20082 p
= skipwhite(p
+ 1);
20083 p
+= eval_fname_script(p
);
20084 if (ASCII_ISALPHA(*p
))
20086 vim_free(trans_function_name(&p
, TRUE
, 0, NULL
));
20087 if (*skipwhite(p
) == '(')
20095 /* Check for ":append" or ":insert". */
20096 p
= skip_range(p
, NULL
);
20097 if ((p
[0] == 'a' && (!ASCII_ISALPHA(p
[1]) || p
[1] == 'p'))
20099 && (!ASCII_ISALPHA(p
[1]) || (p
[1] == 'n'
20100 && (!ASCII_ISALPHA(p
[2]) || (p
[2] == 's'))))))
20101 skip_until
= vim_strsave((char_u
*)".");
20103 /* Check for ":python <<EOF", ":tcl <<EOF", etc. */
20104 arg
= skipwhite(skiptowhite(p
));
20105 if (arg
[0] == '<' && arg
[1] =='<'
20106 && ((p
[0] == 'p' && p
[1] == 'y'
20107 && (!ASCII_ISALPHA(p
[2]) || p
[2] == 't'))
20108 || (p
[0] == 'p' && p
[1] == 'e'
20109 && (!ASCII_ISALPHA(p
[2]) || p
[2] == 'r'))
20110 || (p
[0] == 't' && p
[1] == 'c'
20111 && (!ASCII_ISALPHA(p
[2]) || p
[2] == 'l'))
20112 || (p
[0] == 'r' && p
[1] == 'u' && p
[2] == 'b'
20113 && (!ASCII_ISALPHA(p
[3]) || p
[3] == 'y'))
20114 || (p
[0] == 'm' && p
[1] == 'z'
20115 && (!ASCII_ISALPHA(p
[2]) || p
[2] == 's'))
20118 /* ":python <<" continues until a dot, like ":append" */
20119 p
= skipwhite(arg
+ 2);
20121 skip_until
= vim_strsave((char_u
*)".");
20123 skip_until
= vim_strsave(p
);
20127 /* Add the line to the function. */
20128 if (ga_grow(&newlines
, 1 + sourcing_lnum_off
) == FAIL
)
20130 if (line_arg
== NULL
)
20135 /* Copy the line to newly allocated memory. get_one_sourceline()
20136 * allocates 250 bytes per line, this saves 80% on average. The cost
20137 * is an extra alloc/free. */
20138 p
= vim_strsave(theline
);
20141 if (line_arg
== NULL
)
20146 ((char_u
**)(newlines
.ga_data
))[newlines
.ga_len
++] = theline
;
20148 /* Add NULL lines for continuation lines, so that the line count is
20149 * equal to the index in the growarray. */
20150 while (sourcing_lnum_off
-- > 0)
20151 ((char_u
**)(newlines
.ga_data
))[newlines
.ga_len
++] = NULL
;
20153 /* Check for end of eap->arg. */
20154 if (line_arg
!= NULL
&& *line_arg
== NUL
)
20158 /* Don't define the function when skipping commands or when an error was
20160 if (eap
->skip
|| did_emsg
)
20164 * If there are no errors, add the function
20166 if (fudi
.fd_dict
== NULL
)
20168 v
= find_var(name
, &ht
);
20169 if (v
!= NULL
&& v
->di_tv
.v_type
== VAR_FUNC
)
20171 emsg_funcname(N_("E707: Function name conflicts with variable: %s"),
20176 fp
= find_func(name
);
20181 emsg_funcname(e_funcexts
, name
);
20184 if (fp
->uf_calls
> 0)
20186 emsg_funcname(N_("E127: Cannot redefine function %s: It is in use"),
20190 /* redefine existing function */
20191 ga_clear_strings(&(fp
->uf_args
));
20192 ga_clear_strings(&(fp
->uf_lines
));
20202 if (fudi
.fd_newkey
== NULL
&& !eap
->forceit
)
20204 EMSG(_(e_funcdict
));
20207 if (fudi
.fd_di
== NULL
)
20209 /* Can't add a function to a locked dictionary */
20210 if (tv_check_lock(fudi
.fd_dict
->dv_lock
, eap
->arg
))
20213 /* Can't change an existing function if it is locked */
20214 else if (tv_check_lock(fudi
.fd_di
->di_tv
.v_lock
, eap
->arg
))
20217 /* Give the function a sequential number. Can only be used with a
20220 sprintf(numbuf
, "%d", ++func_nr
);
20221 name
= vim_strsave((char_u
*)numbuf
);
20228 if (fudi
.fd_dict
== NULL
&& vim_strchr(name
, AUTOLOAD_CHAR
) != NULL
)
20231 char_u
*scriptname
;
20233 /* Check that the autoload name matches the script name. */
20235 if (sourcing_name
!= NULL
)
20237 scriptname
= autoload_name(name
);
20238 if (scriptname
!= NULL
)
20240 p
= vim_strchr(scriptname
, '/');
20241 plen
= (int)STRLEN(p
);
20242 slen
= (int)STRLEN(sourcing_name
);
20243 if (slen
> plen
&& fnamecmp(p
,
20244 sourcing_name
+ slen
- plen
) == 0)
20246 vim_free(scriptname
);
20251 EMSG2(_("E746: Function name does not match script file name: %s"), name
);
20256 fp
= (ufunc_T
*)alloc((unsigned)(sizeof(ufunc_T
) + STRLEN(name
)));
20260 if (fudi
.fd_dict
!= NULL
)
20262 if (fudi
.fd_di
== NULL
)
20264 /* add new dict entry */
20265 fudi
.fd_di
= dictitem_alloc(fudi
.fd_newkey
);
20266 if (fudi
.fd_di
== NULL
)
20271 if (dict_add(fudi
.fd_dict
, fudi
.fd_di
) == FAIL
)
20273 vim_free(fudi
.fd_di
);
20279 /* overwrite existing dict entry */
20280 clear_tv(&fudi
.fd_di
->di_tv
);
20281 fudi
.fd_di
->di_tv
.v_type
= VAR_FUNC
;
20282 fudi
.fd_di
->di_tv
.v_lock
= 0;
20283 fudi
.fd_di
->di_tv
.vval
.v_string
= vim_strsave(name
);
20284 fp
->uf_refcount
= 1;
20286 /* behave like "dict" was used */
20290 /* insert the new function in the function list */
20291 STRCPY(fp
->uf_name
, name
);
20292 hash_add(&func_hashtab
, UF2HIKEY(fp
));
20294 fp
->uf_args
= newargs
;
20295 fp
->uf_lines
= newlines
;
20296 #ifdef FEAT_PROFILE
20297 fp
->uf_tml_count
= NULL
;
20298 fp
->uf_tml_total
= NULL
;
20299 fp
->uf_tml_self
= NULL
;
20300 fp
->uf_profiling
= FALSE
;
20301 if (prof_def_func())
20302 func_do_profile(fp
);
20304 fp
->uf_varargs
= varargs
;
20305 fp
->uf_flags
= flags
;
20307 fp
->uf_script_ID
= current_SID
;
20311 ga_clear_strings(&newargs
);
20312 ga_clear_strings(&newlines
);
20314 vim_free(skip_until
);
20315 vim_free(fudi
.fd_newkey
);
20317 did_emsg
|= saved_did_emsg
;
20321 * Get a function name, translating "<SID>" and "<SNR>".
20322 * Also handles a Funcref in a List or Dictionary.
20323 * Returns the function name in allocated memory, or NULL for failure.
20325 * TFN_INT: internal function name OK
20326 * TFN_QUIET: be quiet
20327 * Advances "pp" to just after the function name (if no error).
20330 trans_function_name(pp
, skip
, flags
, fdp
)
20332 int skip
; /* only find the end, don't evaluate */
20334 funcdict_T
*fdp
; /* return: info about dictionary used */
20336 char_u
*name
= NULL
;
20340 char_u sid_buf
[20];
20345 vim_memset(fdp
, 0, sizeof(funcdict_T
));
20348 /* Check for hard coded <SNR>: already translated function ID (from a user
20350 if ((*pp
)[0] == K_SPECIAL
&& (*pp
)[1] == KS_EXTRA
20351 && (*pp
)[2] == (int)KE_SNR
)
20354 len
= get_id_len(pp
) + 3;
20355 return vim_strnsave(start
, len
);
20358 /* A name starting with "<SID>" or "<SNR>" is local to a script. But
20359 * don't skip over "s:", get_lval() needs it for "s:dict.func". */
20360 lead
= eval_fname_script(start
);
20364 end
= get_lval(start
, NULL
, &lv
, FALSE
, skip
, flags
& TFN_QUIET
,
20365 lead
> 2 ? 0 : FNE_CHECK_START
);
20369 EMSG(_("E129: Function name required"));
20372 if (end
== NULL
|| (lv
.ll_tv
!= NULL
&& (lead
> 2 || lv
.ll_range
)))
20375 * Report an invalid expression in braces, unless the expression
20376 * evaluation has been cancelled due to an aborting error, an
20377 * interrupt, or an exception.
20382 EMSG2(_(e_invarg2
), start
);
20385 *pp
= find_name_end(start
, NULL
, NULL
, FNE_INCL_BR
);
20389 if (lv
.ll_tv
!= NULL
)
20393 fdp
->fd_dict
= lv
.ll_dict
;
20394 fdp
->fd_newkey
= lv
.ll_newkey
;
20395 lv
.ll_newkey
= NULL
;
20396 fdp
->fd_di
= lv
.ll_di
;
20398 if (lv
.ll_tv
->v_type
== VAR_FUNC
&& lv
.ll_tv
->vval
.v_string
!= NULL
)
20400 name
= vim_strsave(lv
.ll_tv
->vval
.v_string
);
20405 if (!skip
&& !(flags
& TFN_QUIET
) && (fdp
== NULL
20406 || lv
.ll_dict
== NULL
|| fdp
->fd_newkey
== NULL
))
20407 EMSG(_(e_funcref
));
20415 if (lv
.ll_name
== NULL
)
20417 /* Error found, but continue after the function name. */
20422 /* Check if the name is a Funcref. If so, use the value. */
20423 if (lv
.ll_exp_name
!= NULL
)
20425 len
= (int)STRLEN(lv
.ll_exp_name
);
20426 name
= deref_func_name(lv
.ll_exp_name
, &len
);
20427 if (name
== lv
.ll_exp_name
)
20432 len
= (int)(end
- *pp
);
20433 name
= deref_func_name(*pp
, &len
);
20439 name
= vim_strsave(name
);
20444 if (lv
.ll_exp_name
!= NULL
)
20446 len
= (int)STRLEN(lv
.ll_exp_name
);
20447 if (lead
<= 2 && lv
.ll_name
== lv
.ll_exp_name
20448 && STRNCMP(lv
.ll_name
, "s:", 2) == 0)
20450 /* When there was "s:" already or the name expanded to get a
20451 * leading "s:" then remove it. */
20459 if (lead
== 2) /* skip over "s:" */
20461 len
= (int)(end
- lv
.ll_name
);
20465 * Copy the function name to allocated memory.
20466 * Accept <SID>name() inside a script, translate into <SNR>123_name().
20467 * Accept <SNR>123_name() outside a script.
20470 lead
= 0; /* do nothing */
20474 if ((lv
.ll_exp_name
!= NULL
&& eval_fname_sid(lv
.ll_exp_name
))
20475 || eval_fname_sid(*pp
))
20477 /* It's "s:" or "<SID>" */
20478 if (current_SID
<= 0)
20480 EMSG(_(e_usingsid
));
20483 sprintf((char *)sid_buf
, "%ld_", (long)current_SID
);
20484 lead
+= (int)STRLEN(sid_buf
);
20487 else if (!(flags
& TFN_INT
) && builtin_function(lv
.ll_name
))
20489 EMSG2(_("E128: Function name must start with a capital or contain a colon: %s"), lv
.ll_name
);
20492 name
= alloc((unsigned)(len
+ lead
+ 1));
20497 name
[0] = K_SPECIAL
;
20498 name
[1] = KS_EXTRA
;
20499 name
[2] = (int)KE_SNR
;
20500 if (lead
> 3) /* If it's "<SID>" */
20501 STRCPY(name
+ 3, sid_buf
);
20503 mch_memmove(name
+ lead
, lv
.ll_name
, (size_t)len
);
20504 name
[len
+ lead
] = NUL
;
20514 * Return 5 if "p" starts with "<SID>" or "<SNR>" (ignoring case).
20515 * Return 2 if "p" starts with "s:".
20516 * Return 0 otherwise.
20519 eval_fname_script(p
)
20522 if (p
[0] == '<' && (STRNICMP(p
+ 1, "SID>", 4) == 0
20523 || STRNICMP(p
+ 1, "SNR>", 4) == 0))
20525 if (p
[0] == 's' && p
[1] == ':')
20531 * Return TRUE if "p" starts with "<SID>" or "s:".
20532 * Only works if eval_fname_script() returned non-zero for "p"!
20538 return (*p
== 's' || TOUPPER_ASC(p
[2]) == 'I');
20542 * List the head of the function: "name(arg1, arg2)".
20545 list_func_head(fp
, indent
)
20554 MSG_PUTS("function ");
20555 if (fp
->uf_name
[0] == K_SPECIAL
)
20557 MSG_PUTS_ATTR("<SNR>", hl_attr(HLF_8
));
20558 msg_puts(fp
->uf_name
+ 3);
20561 msg_puts(fp
->uf_name
);
20563 for (j
= 0; j
< fp
->uf_args
.ga_len
; ++j
)
20567 msg_puts(FUNCARG(fp
, j
));
20569 if (fp
->uf_varargs
)
20578 last_set_msg(fp
->uf_script_ID
);
20582 * Find a function by name, return pointer to it in ufuncs.
20583 * Return NULL for unknown function.
20591 hi
= hash_find(&func_hashtab
, name
);
20592 if (!HASHITEM_EMPTY(hi
))
20597 #if defined(EXITFREE) || defined(PROTO)
20599 free_all_functions()
20603 /* Need to start all over every time, because func_free() may change the
20605 while (func_hashtab
.ht_used
> 0)
20606 for (hi
= func_hashtab
.ht_array
; ; ++hi
)
20607 if (!HASHITEM_EMPTY(hi
))
20609 func_free(HI2UF(hi
));
20616 * Return TRUE if a function "name" exists.
20619 function_exists(name
)
20626 p
= trans_function_name(&nm
, FALSE
, TFN_INT
|TFN_QUIET
, NULL
);
20627 nm
= skipwhite(nm
);
20629 /* Only accept "funcname", "funcname ", "funcname (..." and
20630 * "funcname(...", not "funcname!...". */
20631 if (p
!= NULL
&& (*nm
== NUL
|| *nm
== '('))
20633 if (builtin_function(p
))
20634 n
= (find_internal_func(p
) >= 0);
20636 n
= (find_func(p
) != NULL
);
20643 * Return TRUE if "name" looks like a builtin function name: starts with a
20644 * lower case letter and doesn't contain a ':' or AUTOLOAD_CHAR.
20647 builtin_function(name
)
20650 return ASCII_ISLOWER(name
[0]) && vim_strchr(name
, ':') == NULL
20651 && vim_strchr(name
, AUTOLOAD_CHAR
) == NULL
;
20654 #if defined(FEAT_PROFILE) || defined(PROTO)
20656 * Start profiling function "fp".
20659 func_do_profile(fp
)
20662 fp
->uf_tm_count
= 0;
20663 profile_zero(&fp
->uf_tm_self
);
20664 profile_zero(&fp
->uf_tm_total
);
20665 if (fp
->uf_tml_count
== NULL
)
20666 fp
->uf_tml_count
= (int *)alloc_clear((unsigned)
20667 (sizeof(int) * fp
->uf_lines
.ga_len
));
20668 if (fp
->uf_tml_total
== NULL
)
20669 fp
->uf_tml_total
= (proftime_T
*)alloc_clear((unsigned)
20670 (sizeof(proftime_T
) * fp
->uf_lines
.ga_len
));
20671 if (fp
->uf_tml_self
== NULL
)
20672 fp
->uf_tml_self
= (proftime_T
*)alloc_clear((unsigned)
20673 (sizeof(proftime_T
) * fp
->uf_lines
.ga_len
));
20674 fp
->uf_tml_idx
= -1;
20675 if (fp
->uf_tml_count
== NULL
|| fp
->uf_tml_total
== NULL
20676 || fp
->uf_tml_self
== NULL
)
20677 return; /* out of memory */
20679 fp
->uf_profiling
= TRUE
;
20683 * Dump the profiling results for all functions in file "fd".
20686 func_dump_profile(fd
)
20696 todo
= (int)func_hashtab
.ht_used
;
20698 return; /* nothing to dump */
20700 sorttab
= (ufunc_T
**)alloc((unsigned)(sizeof(ufunc_T
) * todo
));
20702 for (hi
= func_hashtab
.ht_array
; todo
> 0; ++hi
)
20704 if (!HASHITEM_EMPTY(hi
))
20708 if (fp
->uf_profiling
)
20710 if (sorttab
!= NULL
)
20711 sorttab
[st_len
++] = fp
;
20713 if (fp
->uf_name
[0] == K_SPECIAL
)
20714 fprintf(fd
, "FUNCTION <SNR>%s()\n", fp
->uf_name
+ 3);
20716 fprintf(fd
, "FUNCTION %s()\n", fp
->uf_name
);
20717 if (fp
->uf_tm_count
== 1)
20718 fprintf(fd
, "Called 1 time\n");
20720 fprintf(fd
, "Called %d times\n", fp
->uf_tm_count
);
20721 fprintf(fd
, "Total time: %s\n", profile_msg(&fp
->uf_tm_total
));
20722 fprintf(fd
, " Self time: %s\n", profile_msg(&fp
->uf_tm_self
));
20724 fprintf(fd
, "count total (s) self (s)\n");
20726 for (i
= 0; i
< fp
->uf_lines
.ga_len
; ++i
)
20728 if (FUNCLINE(fp
, i
) == NULL
)
20730 prof_func_line(fd
, fp
->uf_tml_count
[i
],
20731 &fp
->uf_tml_total
[i
], &fp
->uf_tml_self
[i
], TRUE
);
20732 fprintf(fd
, "%s\n", FUNCLINE(fp
, i
));
20739 if (sorttab
!= NULL
&& st_len
> 0)
20741 qsort((void *)sorttab
, (size_t)st_len
, sizeof(ufunc_T
*),
20743 prof_sort_list(fd
, sorttab
, st_len
, "TOTAL", FALSE
);
20744 qsort((void *)sorttab
, (size_t)st_len
, sizeof(ufunc_T
*),
20746 prof_sort_list(fd
, sorttab
, st_len
, "SELF", TRUE
);
20753 prof_sort_list(fd
, sorttab
, st_len
, title
, prefer_self
)
20758 int prefer_self
; /* when equal print only self time */
20763 fprintf(fd
, "FUNCTIONS SORTED ON %s TIME\n", title
);
20764 fprintf(fd
, "count total (s) self (s) function\n");
20765 for (i
= 0; i
< 20 && i
< st_len
; ++i
)
20768 prof_func_line(fd
, fp
->uf_tm_count
, &fp
->uf_tm_total
, &fp
->uf_tm_self
,
20770 if (fp
->uf_name
[0] == K_SPECIAL
)
20771 fprintf(fd
, " <SNR>%s()\n", fp
->uf_name
+ 3);
20773 fprintf(fd
, " %s()\n", fp
->uf_name
);
20779 * Print the count and times for one function or function line.
20782 prof_func_line(fd
, count
, total
, self
, prefer_self
)
20787 int prefer_self
; /* when equal print only self time */
20791 fprintf(fd
, "%5d ", count
);
20792 if (prefer_self
&& profile_equal(total
, self
))
20795 fprintf(fd
, "%s ", profile_msg(total
));
20796 if (!prefer_self
&& profile_equal(total
, self
))
20799 fprintf(fd
, "%s ", profile_msg(self
));
20806 * Compare function for total time sorting.
20809 #ifdef __BORLANDC__
20812 prof_total_cmp(s1
, s2
)
20818 p1
= *(ufunc_T
**)s1
;
20819 p2
= *(ufunc_T
**)s2
;
20820 return profile_cmp(&p1
->uf_tm_total
, &p2
->uf_tm_total
);
20824 * Compare function for self time sorting.
20827 #ifdef __BORLANDC__
20830 prof_self_cmp(s1
, s2
)
20836 p1
= *(ufunc_T
**)s1
;
20837 p2
= *(ufunc_T
**)s2
;
20838 return profile_cmp(&p1
->uf_tm_self
, &p2
->uf_tm_self
);
20844 * If "name" has a package name try autoloading the script for it.
20845 * Return TRUE if a package was loaded.
20848 script_autoload(name
, reload
)
20850 int reload
; /* load script again when already loaded */
20853 char_u
*scriptname
, *tofree
;
20857 /* If there is no '#' after name[0] there is no package name. */
20858 p
= vim_strchr(name
, AUTOLOAD_CHAR
);
20859 if (p
== NULL
|| p
== name
)
20862 tofree
= scriptname
= autoload_name(name
);
20864 /* Find the name in the list of previously loaded package names. Skip
20865 * "autoload/", it's always the same. */
20866 for (i
= 0; i
< ga_loaded
.ga_len
; ++i
)
20867 if (STRCMP(((char_u
**)ga_loaded
.ga_data
)[i
] + 9, scriptname
+ 9) == 0)
20869 if (!reload
&& i
< ga_loaded
.ga_len
)
20870 ret
= FALSE
; /* was loaded already */
20873 /* Remember the name if it wasn't loaded already. */
20874 if (i
== ga_loaded
.ga_len
&& ga_grow(&ga_loaded
, 1) == OK
)
20876 ((char_u
**)ga_loaded
.ga_data
)[ga_loaded
.ga_len
++] = scriptname
;
20880 /* Try loading the package from $VIMRUNTIME/autoload/<name>.vim */
20881 if (source_runtime(scriptname
, FALSE
) == OK
)
20890 * Return the autoload script name for a function or variable name.
20891 * Returns NULL when out of memory.
20894 autoload_name(name
)
20898 char_u
*scriptname
;
20900 /* Get the script file name: replace '#' with '/', append ".vim". */
20901 scriptname
= alloc((unsigned)(STRLEN(name
) + 14));
20902 if (scriptname
== NULL
)
20904 STRCPY(scriptname
, "autoload/");
20905 STRCAT(scriptname
, name
);
20906 *vim_strrchr(scriptname
, AUTOLOAD_CHAR
) = NUL
;
20907 STRCAT(scriptname
, ".vim");
20908 while ((p
= vim_strchr(scriptname
, AUTOLOAD_CHAR
)) != NULL
)
20913 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
20916 * Function given to ExpandGeneric() to obtain the list of user defined
20920 get_user_func_name(xp
, idx
)
20924 static long_u done
;
20925 static hashitem_T
*hi
;
20931 hi
= func_hashtab
.ht_array
;
20933 if (done
< func_hashtab
.ht_used
)
20937 while (HASHITEM_EMPTY(hi
))
20941 if (STRLEN(fp
->uf_name
) + 4 >= IOSIZE
)
20942 return fp
->uf_name
; /* prevents overflow */
20944 cat_func_name(IObuff
, fp
);
20945 if (xp
->xp_context
!= EXPAND_USER_FUNC
)
20947 STRCAT(IObuff
, "(");
20948 if (!fp
->uf_varargs
&& fp
->uf_args
.ga_len
== 0)
20949 STRCAT(IObuff
, ")");
20956 #endif /* FEAT_CMDL_COMPL */
20959 * Copy the function name of "fp" to buffer "buf".
20960 * "buf" must be able to hold the function name plus three bytes.
20961 * Takes care of script-local function names.
20964 cat_func_name(buf
, fp
)
20968 if (fp
->uf_name
[0] == K_SPECIAL
)
20970 STRCPY(buf
, "<SNR>");
20971 STRCAT(buf
, fp
->uf_name
+ 3);
20974 STRCPY(buf
, fp
->uf_name
);
20978 * ":delfunction {name}"
20981 ex_delfunction(eap
)
20984 ufunc_T
*fp
= NULL
;
20990 name
= trans_function_name(&p
, eap
->skip
, 0, &fudi
);
20991 vim_free(fudi
.fd_newkey
);
20994 if (fudi
.fd_dict
!= NULL
&& !eap
->skip
)
20995 EMSG(_(e_funcref
));
20998 if (!ends_excmd(*skipwhite(p
)))
21001 EMSG(_(e_trailing
));
21004 eap
->nextcmd
= check_nextcmd(p
);
21005 if (eap
->nextcmd
!= NULL
)
21009 fp
= find_func(name
);
21016 EMSG2(_(e_nofunc
), eap
->arg
);
21019 if (fp
->uf_calls
> 0)
21021 EMSG2(_("E131: Cannot delete function %s: It is in use"), eap
->arg
);
21025 if (fudi
.fd_dict
!= NULL
)
21027 /* Delete the dict item that refers to the function, it will
21028 * invoke func_unref() and possibly delete the function. */
21029 dictitem_remove(fudi
.fd_dict
, fudi
.fd_di
);
21037 * Free a function and remove it from the list of functions.
21045 /* clear this function */
21046 ga_clear_strings(&(fp
->uf_args
));
21047 ga_clear_strings(&(fp
->uf_lines
));
21048 #ifdef FEAT_PROFILE
21049 vim_free(fp
->uf_tml_count
);
21050 vim_free(fp
->uf_tml_total
);
21051 vim_free(fp
->uf_tml_self
);
21054 /* remove the function from the function hashtable */
21055 hi
= hash_find(&func_hashtab
, UF2HIKEY(fp
));
21056 if (HASHITEM_EMPTY(hi
))
21057 EMSG2(_(e_intern2
), "func_free()");
21059 hash_remove(&func_hashtab
, hi
);
21065 * Unreference a Function: decrement the reference count and free it when it
21066 * becomes zero. Only for numbered functions.
21074 if (name
!= NULL
&& isdigit(*name
))
21076 fp
= find_func(name
);
21078 EMSG2(_(e_intern2
), "func_unref()");
21079 else if (--fp
->uf_refcount
<= 0)
21081 /* Only delete it when it's not being used. Otherwise it's done
21082 * when "uf_calls" becomes zero. */
21083 if (fp
->uf_calls
== 0)
21090 * Count a reference to a Function.
21098 if (name
!= NULL
&& isdigit(*name
))
21100 fp
= find_func(name
);
21102 EMSG2(_(e_intern2
), "func_ref()");
21109 * Call a user function.
21112 call_user_func(fp
, argcount
, argvars
, rettv
, firstline
, lastline
, selfdict
)
21113 ufunc_T
*fp
; /* pointer to function */
21114 int argcount
; /* nr of args */
21115 typval_T
*argvars
; /* arguments */
21116 typval_T
*rettv
; /* return value */
21117 linenr_T firstline
; /* first line of range */
21118 linenr_T lastline
; /* last line of range */
21119 dict_T
*selfdict
; /* Dictionary for "self" */
21121 char_u
*save_sourcing_name
;
21122 linenr_T save_sourcing_lnum
;
21123 scid_T save_current_SID
;
21126 static int depth
= 0;
21128 int fixvar_idx
= 0; /* index in fixvar[] */
21131 char_u numbuf
[NUMBUFLEN
];
21133 #ifdef FEAT_PROFILE
21134 proftime_T wait_start
;
21135 proftime_T call_start
;
21138 /* If depth of calling is getting too high, don't execute the function */
21139 if (depth
>= p_mfd
)
21141 EMSG(_("E132: Function call depth is higher than 'maxfuncdepth'"));
21142 rettv
->v_type
= VAR_NUMBER
;
21143 rettv
->vval
.v_number
= -1;
21148 line_breakcheck(); /* check for CTRL-C hit */
21150 fc
= (funccall_T
*)alloc(sizeof(funccall_T
));
21151 fc
->caller
= current_funccal
;
21152 current_funccal
= fc
;
21155 rettv
->vval
.v_number
= 0;
21157 fc
->returned
= FALSE
;
21158 fc
->level
= ex_nesting_level
;
21159 /* Check if this function has a breakpoint. */
21160 fc
->breakpoint
= dbg_find_breakpoint(FALSE
, fp
->uf_name
, (linenr_T
)0);
21161 fc
->dbg_tick
= debug_tick
;
21164 * Note about using fc->fixvar[]: This is an array of FIXVAR_CNT variables
21165 * with names up to VAR_SHORT_LEN long. This avoids having to alloc/free
21166 * each argument variable and saves a lot of time.
21169 * Init l: variables.
21171 init_var_dict(&fc
->l_vars
, &fc
->l_vars_var
);
21172 if (selfdict
!= NULL
)
21174 /* Set l:self to "selfdict". Use "name" to avoid a warning from
21175 * some compiler that checks the destination size. */
21176 v
= &fc
->fixvar
[fixvar_idx
++].var
;
21178 STRCPY(name
, "self");
21179 v
->di_flags
= DI_FLAGS_RO
+ DI_FLAGS_FIX
;
21180 hash_add(&fc
->l_vars
.dv_hashtab
, DI2HIKEY(v
));
21181 v
->di_tv
.v_type
= VAR_DICT
;
21182 v
->di_tv
.v_lock
= 0;
21183 v
->di_tv
.vval
.v_dict
= selfdict
;
21184 ++selfdict
->dv_refcount
;
21188 * Init a: variables.
21189 * Set a:0 to "argcount".
21190 * Set a:000 to a list with room for the "..." arguments.
21192 init_var_dict(&fc
->l_avars
, &fc
->l_avars_var
);
21193 add_nr_var(&fc
->l_avars
, &fc
->fixvar
[fixvar_idx
++].var
, "0",
21194 (varnumber_T
)(argcount
- fp
->uf_args
.ga_len
));
21195 /* Use "name" to avoid a warning from some compiler that checks the
21196 * destination size. */
21197 v
= &fc
->fixvar
[fixvar_idx
++].var
;
21199 STRCPY(name
, "000");
21200 v
->di_flags
= DI_FLAGS_RO
| DI_FLAGS_FIX
;
21201 hash_add(&fc
->l_avars
.dv_hashtab
, DI2HIKEY(v
));
21202 v
->di_tv
.v_type
= VAR_LIST
;
21203 v
->di_tv
.v_lock
= VAR_FIXED
;
21204 v
->di_tv
.vval
.v_list
= &fc
->l_varlist
;
21205 vim_memset(&fc
->l_varlist
, 0, sizeof(list_T
));
21206 fc
->l_varlist
.lv_refcount
= DO_NOT_FREE_CNT
;
21207 fc
->l_varlist
.lv_lock
= VAR_FIXED
;
21210 * Set a:firstline to "firstline" and a:lastline to "lastline".
21211 * Set a:name to named arguments.
21212 * Set a:N to the "..." arguments.
21214 add_nr_var(&fc
->l_avars
, &fc
->fixvar
[fixvar_idx
++].var
, "firstline",
21215 (varnumber_T
)firstline
);
21216 add_nr_var(&fc
->l_avars
, &fc
->fixvar
[fixvar_idx
++].var
, "lastline",
21217 (varnumber_T
)lastline
);
21218 for (i
= 0; i
< argcount
; ++i
)
21220 ai
= i
- fp
->uf_args
.ga_len
;
21222 /* named argument a:name */
21223 name
= FUNCARG(fp
, i
);
21226 /* "..." argument a:1, a:2, etc. */
21227 sprintf((char *)numbuf
, "%d", ai
+ 1);
21230 if (fixvar_idx
< FIXVAR_CNT
&& STRLEN(name
) <= VAR_SHORT_LEN
)
21232 v
= &fc
->fixvar
[fixvar_idx
++].var
;
21233 v
->di_flags
= DI_FLAGS_RO
| DI_FLAGS_FIX
;
21237 v
= (dictitem_T
*)alloc((unsigned)(sizeof(dictitem_T
)
21241 v
->di_flags
= DI_FLAGS_RO
;
21243 STRCPY(v
->di_key
, name
);
21244 hash_add(&fc
->l_avars
.dv_hashtab
, DI2HIKEY(v
));
21246 /* Note: the values are copied directly to avoid alloc/free.
21247 * "argvars" must have VAR_FIXED for v_lock. */
21248 v
->di_tv
= argvars
[i
];
21249 v
->di_tv
.v_lock
= VAR_FIXED
;
21251 if (ai
>= 0 && ai
< MAX_FUNC_ARGS
)
21253 list_append(&fc
->l_varlist
, &fc
->l_listitems
[ai
]);
21254 fc
->l_listitems
[ai
].li_tv
= argvars
[i
];
21255 fc
->l_listitems
[ai
].li_tv
.v_lock
= VAR_FIXED
;
21259 /* Don't redraw while executing the function. */
21260 ++RedrawingDisabled
;
21261 save_sourcing_name
= sourcing_name
;
21262 save_sourcing_lnum
= sourcing_lnum
;
21264 sourcing_name
= alloc((unsigned)((save_sourcing_name
== NULL
? 0
21265 : STRLEN(save_sourcing_name
)) + STRLEN(fp
->uf_name
) + 13));
21266 if (sourcing_name
!= NULL
)
21268 if (save_sourcing_name
!= NULL
21269 && STRNCMP(save_sourcing_name
, "function ", 9) == 0)
21270 sprintf((char *)sourcing_name
, "%s..", save_sourcing_name
);
21272 STRCPY(sourcing_name
, "function ");
21273 cat_func_name(sourcing_name
+ STRLEN(sourcing_name
), fp
);
21275 if (p_verbose
>= 12)
21278 verbose_enter_scroll();
21280 smsg((char_u
*)_("calling %s"), sourcing_name
);
21281 if (p_verbose
>= 14)
21283 char_u buf
[MSG_BUF_LEN
];
21284 char_u numbuf2
[NUMBUFLEN
];
21288 msg_puts((char_u
*)"(");
21289 for (i
= 0; i
< argcount
; ++i
)
21292 msg_puts((char_u
*)", ");
21293 if (argvars
[i
].v_type
== VAR_NUMBER
)
21294 msg_outnum((long)argvars
[i
].vval
.v_number
);
21297 s
= tv2string(&argvars
[i
], &tofree
, numbuf2
, 0);
21300 trunc_string(s
, buf
, MSG_BUF_CLEN
);
21306 msg_puts((char_u
*)")");
21308 msg_puts((char_u
*)"\n"); /* don't overwrite this either */
21310 verbose_leave_scroll();
21314 #ifdef FEAT_PROFILE
21315 if (do_profiling
== PROF_YES
)
21317 if (!fp
->uf_profiling
&& has_profiling(FALSE
, fp
->uf_name
, NULL
))
21318 func_do_profile(fp
);
21319 if (fp
->uf_profiling
21320 || (fc
->caller
!= NULL
&& fc
->caller
->func
->uf_profiling
))
21323 profile_start(&call_start
);
21324 profile_zero(&fp
->uf_tm_children
);
21326 script_prof_save(&wait_start
);
21330 save_current_SID
= current_SID
;
21331 current_SID
= fp
->uf_script_ID
;
21332 save_did_emsg
= did_emsg
;
21335 /* call do_cmdline() to execute the lines */
21336 do_cmdline(NULL
, get_func_line
, (void *)fc
,
21337 DOCMD_NOWAIT
|DOCMD_VERBOSE
|DOCMD_REPEAT
);
21339 --RedrawingDisabled
;
21341 /* when the function was aborted because of an error, return -1 */
21342 if ((did_emsg
&& (fp
->uf_flags
& FC_ABORT
)) || rettv
->v_type
== VAR_UNKNOWN
)
21345 rettv
->v_type
= VAR_NUMBER
;
21346 rettv
->vval
.v_number
= -1;
21349 #ifdef FEAT_PROFILE
21350 if (do_profiling
== PROF_YES
&& (fp
->uf_profiling
21351 || (fc
->caller
!= NULL
&& fc
->caller
->func
->uf_profiling
)))
21353 profile_end(&call_start
);
21354 profile_sub_wait(&wait_start
, &call_start
);
21355 profile_add(&fp
->uf_tm_total
, &call_start
);
21356 profile_self(&fp
->uf_tm_self
, &call_start
, &fp
->uf_tm_children
);
21357 if (fc
->caller
!= NULL
&& fc
->caller
->func
->uf_profiling
)
21359 profile_add(&fc
->caller
->func
->uf_tm_children
, &call_start
);
21360 profile_add(&fc
->caller
->func
->uf_tml_children
, &call_start
);
21365 /* when being verbose, mention the return value */
21366 if (p_verbose
>= 12)
21369 verbose_enter_scroll();
21372 smsg((char_u
*)_("%s aborted"), sourcing_name
);
21373 else if (fc
->rettv
->v_type
== VAR_NUMBER
)
21374 smsg((char_u
*)_("%s returning #%ld"), sourcing_name
,
21375 (long)fc
->rettv
->vval
.v_number
);
21378 char_u buf
[MSG_BUF_LEN
];
21379 char_u numbuf2
[NUMBUFLEN
];
21383 /* The value may be very long. Skip the middle part, so that we
21384 * have some idea how it starts and ends. smsg() would always
21385 * truncate it at the end. */
21386 s
= tv2string(fc
->rettv
, &tofree
, numbuf2
, 0);
21389 trunc_string(s
, buf
, MSG_BUF_CLEN
);
21390 smsg((char_u
*)_("%s returning %s"), sourcing_name
, buf
);
21394 msg_puts((char_u
*)"\n"); /* don't overwrite this either */
21396 verbose_leave_scroll();
21400 vim_free(sourcing_name
);
21401 sourcing_name
= save_sourcing_name
;
21402 sourcing_lnum
= save_sourcing_lnum
;
21403 current_SID
= save_current_SID
;
21404 #ifdef FEAT_PROFILE
21405 if (do_profiling
== PROF_YES
)
21406 script_prof_restore(&wait_start
);
21409 if (p_verbose
>= 12 && sourcing_name
!= NULL
)
21412 verbose_enter_scroll();
21414 smsg((char_u
*)_("continuing in %s"), sourcing_name
);
21415 msg_puts((char_u
*)"\n"); /* don't overwrite this either */
21417 verbose_leave_scroll();
21421 did_emsg
|= save_did_emsg
;
21422 current_funccal
= fc
->caller
;
21425 /* If the a:000 list and the l: and a: dicts are not referenced we can
21426 * free the funccall_T and what's in it. */
21427 if (fc
->l_varlist
.lv_refcount
== DO_NOT_FREE_CNT
21428 && fc
->l_vars
.dv_refcount
== DO_NOT_FREE_CNT
21429 && fc
->l_avars
.dv_refcount
== DO_NOT_FREE_CNT
)
21431 free_funccal(fc
, FALSE
);
21439 /* "fc" is still in use. This can happen when returning "a:000" or
21440 * assigning "l:" to a global variable.
21441 * Link "fc" in the list for garbage collection later. */
21442 fc
->caller
= previous_funccal
;
21443 previous_funccal
= fc
;
21445 /* Make a copy of the a: variables, since we didn't do that above. */
21446 todo
= (int)fc
->l_avars
.dv_hashtab
.ht_used
;
21447 for (hi
= fc
->l_avars
.dv_hashtab
.ht_array
; todo
> 0; ++hi
)
21449 if (!HASHITEM_EMPTY(hi
))
21453 copy_tv(&v
->di_tv
, &v
->di_tv
);
21457 /* Make a copy of the a:000 items, since we didn't do that above. */
21458 for (li
= fc
->l_varlist
.lv_first
; li
!= NULL
; li
= li
->li_next
)
21459 copy_tv(&li
->li_tv
, &li
->li_tv
);
21464 * Return TRUE if items in "fc" do not have "copyID". That means they are not
21465 * referenced from anywhere that is in use.
21468 can_free_funccal(fc
, copyID
)
21472 return (fc
->l_varlist
.lv_copyID
!= copyID
21473 && fc
->l_vars
.dv_copyID
!= copyID
21474 && fc
->l_avars
.dv_copyID
!= copyID
);
21478 * Free "fc" and what it contains.
21481 free_funccal(fc
, free_val
)
21483 int free_val
; /* a: vars were allocated */
21487 /* The a: variables typevals may not have been allocated, only free the
21488 * allocated variables. */
21489 vars_clear_ext(&fc
->l_avars
.dv_hashtab
, free_val
);
21491 /* free all l: variables */
21492 vars_clear(&fc
->l_vars
.dv_hashtab
);
21494 /* Free the a:000 variables if they were allocated. */
21496 for (li
= fc
->l_varlist
.lv_first
; li
!= NULL
; li
= li
->li_next
)
21497 clear_tv(&li
->li_tv
);
21503 * Add a number variable "name" to dict "dp" with value "nr".
21506 add_nr_var(dp
, v
, name
, nr
)
21512 STRCPY(v
->di_key
, name
);
21513 v
->di_flags
= DI_FLAGS_RO
| DI_FLAGS_FIX
;
21514 hash_add(&dp
->dv_hashtab
, DI2HIKEY(v
));
21515 v
->di_tv
.v_type
= VAR_NUMBER
;
21516 v
->di_tv
.v_lock
= VAR_FIXED
;
21517 v
->di_tv
.vval
.v_number
= nr
;
21527 char_u
*arg
= eap
->arg
;
21529 int returning
= FALSE
;
21531 if (current_funccal
== NULL
)
21533 EMSG(_("E133: :return not inside a function"));
21540 eap
->nextcmd
= NULL
;
21541 if ((*arg
!= NUL
&& *arg
!= '|' && *arg
!= '\n')
21542 && eval0(arg
, &rettv
, &eap
->nextcmd
, !eap
->skip
) != FAIL
)
21545 returning
= do_return(eap
, FALSE
, TRUE
, &rettv
);
21549 /* It's safer to return also on error. */
21550 else if (!eap
->skip
)
21553 * Return unless the expression evaluation has been cancelled due to an
21554 * aborting error, an interrupt, or an exception.
21557 returning
= do_return(eap
, FALSE
, TRUE
, NULL
);
21560 /* When skipping or the return gets pending, advance to the next command
21561 * in this line (!returning). Otherwise, ignore the rest of the line.
21562 * Following lines will be ignored by get_func_line(). */
21564 eap
->nextcmd
= NULL
;
21565 else if (eap
->nextcmd
== NULL
) /* no argument */
21566 eap
->nextcmd
= check_nextcmd(arg
);
21573 * Return from a function. Possibly makes the return pending. Also called
21574 * for a pending return at the ":endtry" or after returning from an extra
21575 * do_cmdline(). "reanimate" is used in the latter case. "is_cmd" is set
21576 * when called due to a ":return" command. "rettv" may point to a typval_T
21577 * with the return rettv. Returns TRUE when the return can be carried out,
21578 * FALSE when the return gets pending.
21581 do_return(eap
, reanimate
, is_cmd
, rettv
)
21588 struct condstack
*cstack
= eap
->cstack
;
21591 /* Undo the return. */
21592 current_funccal
->returned
= FALSE
;
21595 * Cleanup (and inactivate) conditionals, but stop when a try conditional
21596 * not in its finally clause (which then is to be executed next) is found.
21597 * In this case, make the ":return" pending for execution at the ":endtry".
21598 * Otherwise, return normally.
21600 idx
= cleanup_conditionals(eap
->cstack
, 0, TRUE
);
21603 cstack
->cs_pending
[idx
] = CSTP_RETURN
;
21605 if (!is_cmd
&& !reanimate
)
21606 /* A pending return again gets pending. "rettv" points to an
21607 * allocated variable with the rettv of the original ":return"'s
21608 * argument if present or is NULL else. */
21609 cstack
->cs_rettv
[idx
] = rettv
;
21612 /* When undoing a return in order to make it pending, get the stored
21615 rettv
= current_funccal
->rettv
;
21619 /* Store the value of the pending return. */
21620 if ((cstack
->cs_rettv
[idx
] = alloc_tv()) != NULL
)
21621 *(typval_T
*)cstack
->cs_rettv
[idx
] = *(typval_T
*)rettv
;
21623 EMSG(_(e_outofmem
));
21626 cstack
->cs_rettv
[idx
] = NULL
;
21630 /* The pending return value could be overwritten by a ":return"
21631 * without argument in a finally clause; reset the default
21633 current_funccal
->rettv
->v_type
= VAR_NUMBER
;
21634 current_funccal
->rettv
->vval
.v_number
= 0;
21637 report_make_pending(CSTP_RETURN
, rettv
);
21641 current_funccal
->returned
= TRUE
;
21643 /* If the return is carried out now, store the return value. For
21644 * a return immediately after reanimation, the value is already
21646 if (!reanimate
&& rettv
!= NULL
)
21648 clear_tv(current_funccal
->rettv
);
21649 *current_funccal
->rettv
= *(typval_T
*)rettv
;
21659 * Free the variable with a pending return value.
21662 discard_pending_return(rettv
)
21665 free_tv((typval_T
*)rettv
);
21669 * Generate a return command for producing the value of "rettv". The result
21670 * is an allocated string. Used by report_pending() for verbose messages.
21673 get_return_cmd(rettv
)
21677 char_u
*tofree
= NULL
;
21678 char_u numbuf
[NUMBUFLEN
];
21681 s
= echo_string((typval_T
*)rettv
, &tofree
, numbuf
, 0);
21685 STRCPY(IObuff
, ":return ");
21686 STRNCPY(IObuff
+ 8, s
, IOSIZE
- 8);
21687 if (STRLEN(s
) + 8 >= IOSIZE
)
21688 STRCPY(IObuff
+ IOSIZE
- 4, "...");
21690 return vim_strsave(IObuff
);
21694 * Get next function line.
21695 * Called by do_cmdline() to get the next line.
21696 * Returns allocated string, or NULL for end of function.
21699 get_func_line(c
, cookie
, indent
)
21704 funccall_T
*fcp
= (funccall_T
*)cookie
;
21705 ufunc_T
*fp
= fcp
->func
;
21707 garray_T
*gap
; /* growarray with function lines */
21709 /* If breakpoints have been added/deleted need to check for it. */
21710 if (fcp
->dbg_tick
!= debug_tick
)
21712 fcp
->breakpoint
= dbg_find_breakpoint(FALSE
, fp
->uf_name
,
21714 fcp
->dbg_tick
= debug_tick
;
21716 #ifdef FEAT_PROFILE
21717 if (do_profiling
== PROF_YES
)
21718 func_line_end(cookie
);
21721 gap
= &fp
->uf_lines
;
21722 if (((fp
->uf_flags
& FC_ABORT
) && did_emsg
&& !aborted_in_try())
21727 /* Skip NULL lines (continuation lines). */
21728 while (fcp
->linenr
< gap
->ga_len
21729 && ((char_u
**)(gap
->ga_data
))[fcp
->linenr
] == NULL
)
21731 if (fcp
->linenr
>= gap
->ga_len
)
21735 retval
= vim_strsave(((char_u
**)(gap
->ga_data
))[fcp
->linenr
++]);
21736 sourcing_lnum
= fcp
->linenr
;
21737 #ifdef FEAT_PROFILE
21738 if (do_profiling
== PROF_YES
)
21739 func_line_start(cookie
);
21744 /* Did we encounter a breakpoint? */
21745 if (fcp
->breakpoint
!= 0 && fcp
->breakpoint
<= sourcing_lnum
)
21747 dbg_breakpoint(fp
->uf_name
, sourcing_lnum
);
21748 /* Find next breakpoint. */
21749 fcp
->breakpoint
= dbg_find_breakpoint(FALSE
, fp
->uf_name
,
21751 fcp
->dbg_tick
= debug_tick
;
21757 #if defined(FEAT_PROFILE) || defined(PROTO)
21759 * Called when starting to read a function line.
21760 * "sourcing_lnum" must be correct!
21761 * When skipping lines it may not actually be executed, but we won't find out
21762 * until later and we need to store the time now.
21765 func_line_start(cookie
)
21768 funccall_T
*fcp
= (funccall_T
*)cookie
;
21769 ufunc_T
*fp
= fcp
->func
;
21771 if (fp
->uf_profiling
&& sourcing_lnum
>= 1
21772 && sourcing_lnum
<= fp
->uf_lines
.ga_len
)
21774 fp
->uf_tml_idx
= sourcing_lnum
- 1;
21775 /* Skip continuation lines. */
21776 while (fp
->uf_tml_idx
> 0 && FUNCLINE(fp
, fp
->uf_tml_idx
) == NULL
)
21778 fp
->uf_tml_execed
= FALSE
;
21779 profile_start(&fp
->uf_tml_start
);
21780 profile_zero(&fp
->uf_tml_children
);
21781 profile_get_wait(&fp
->uf_tml_wait
);
21786 * Called when actually executing a function line.
21789 func_line_exec(cookie
)
21792 funccall_T
*fcp
= (funccall_T
*)cookie
;
21793 ufunc_T
*fp
= fcp
->func
;
21795 if (fp
->uf_profiling
&& fp
->uf_tml_idx
>= 0)
21796 fp
->uf_tml_execed
= TRUE
;
21800 * Called when done with a function line.
21803 func_line_end(cookie
)
21806 funccall_T
*fcp
= (funccall_T
*)cookie
;
21807 ufunc_T
*fp
= fcp
->func
;
21809 if (fp
->uf_profiling
&& fp
->uf_tml_idx
>= 0)
21811 if (fp
->uf_tml_execed
)
21813 ++fp
->uf_tml_count
[fp
->uf_tml_idx
];
21814 profile_end(&fp
->uf_tml_start
);
21815 profile_sub_wait(&fp
->uf_tml_wait
, &fp
->uf_tml_start
);
21816 profile_add(&fp
->uf_tml_total
[fp
->uf_tml_idx
], &fp
->uf_tml_start
);
21817 profile_self(&fp
->uf_tml_self
[fp
->uf_tml_idx
], &fp
->uf_tml_start
,
21818 &fp
->uf_tml_children
);
21820 fp
->uf_tml_idx
= -1;
21826 * Return TRUE if the currently active function should be ended, because a
21827 * return was encountered or an error occurred. Used inside a ":while".
21830 func_has_ended(cookie
)
21833 funccall_T
*fcp
= (funccall_T
*)cookie
;
21835 /* Ignore the "abort" flag if the abortion behavior has been changed due to
21836 * an error inside a try conditional. */
21837 return (((fcp
->func
->uf_flags
& FC_ABORT
) && did_emsg
&& !aborted_in_try())
21842 * return TRUE if cookie indicates a function which "abort"s on errors.
21845 func_has_abort(cookie
)
21848 return ((funccall_T
*)cookie
)->func
->uf_flags
& FC_ABORT
;
21851 #if defined(FEAT_VIMINFO) || defined(FEAT_SESSION)
21854 VAR_FLAVOUR_DEFAULT
, /* doesn't start with uppercase */
21855 VAR_FLAVOUR_SESSION
, /* starts with uppercase, some lower */
21856 VAR_FLAVOUR_VIMINFO
/* all uppercase */
21859 static var_flavour_T var_flavour
__ARGS((char_u
*varname
));
21861 static var_flavour_T
21862 var_flavour(varname
)
21865 char_u
*p
= varname
;
21867 if (ASCII_ISUPPER(*p
))
21870 if (ASCII_ISLOWER(*p
))
21871 return VAR_FLAVOUR_SESSION
;
21872 return VAR_FLAVOUR_VIMINFO
;
21875 return VAR_FLAVOUR_DEFAULT
;
21879 #if defined(FEAT_VIMINFO) || defined(PROTO)
21881 * Restore global vars that start with a capital from the viminfo file
21884 read_viminfo_varlist(virp
, writing
)
21889 int type
= VAR_NUMBER
;
21892 if (!writing
&& (find_viminfo_parameter('!') != NULL
))
21894 tab
= vim_strchr(virp
->vir_line
+ 1, '\t');
21897 *tab
++ = '\0'; /* isolate the variable name */
21898 if (*tab
== 'S') /* string var */
21901 else if (*tab
== 'F')
21905 tab
= vim_strchr(tab
, '\t');
21909 if (type
== VAR_STRING
)
21910 tv
.vval
.v_string
= viminfo_readstring(virp
,
21911 (int)(tab
- virp
->vir_line
+ 1), TRUE
);
21913 else if (type
== VAR_FLOAT
)
21914 (void)string2float(tab
+ 1, &tv
.vval
.v_float
);
21917 tv
.vval
.v_number
= atol((char *)tab
+ 1);
21918 set_var(virp
->vir_line
+ 1, &tv
, FALSE
);
21919 if (type
== VAR_STRING
)
21920 vim_free(tv
.vval
.v_string
);
21925 return viminfo_readline(virp
);
21929 * Write global vars that start with a capital to the viminfo file
21932 write_viminfo_varlist(fp
)
21936 dictitem_T
*this_var
;
21941 char_u numbuf
[NUMBUFLEN
];
21943 if (find_viminfo_parameter('!') == NULL
)
21946 fputs(_("\n# global variables:\n"), fp
);
21948 todo
= (int)globvarht
.ht_used
;
21949 for (hi
= globvarht
.ht_array
; todo
> 0; ++hi
)
21951 if (!HASHITEM_EMPTY(hi
))
21954 this_var
= HI2DI(hi
);
21955 if (var_flavour(this_var
->di_key
) == VAR_FLAVOUR_VIMINFO
)
21957 switch (this_var
->di_tv
.v_type
)
21959 case VAR_STRING
: s
= "STR"; break;
21960 case VAR_NUMBER
: s
= "NUM"; break;
21962 case VAR_FLOAT
: s
= "FLO"; break;
21966 fprintf(fp
, "!%s\t%s\t", this_var
->di_key
, s
);
21967 p
= echo_string(&this_var
->di_tv
, &tofree
, numbuf
, 0);
21969 viminfo_writestring(fp
, p
);
21977 #if defined(FEAT_SESSION) || defined(PROTO)
21979 store_session_globals(fd
)
21983 dictitem_T
*this_var
;
21987 todo
= (int)globvarht
.ht_used
;
21988 for (hi
= globvarht
.ht_array
; todo
> 0; ++hi
)
21990 if (!HASHITEM_EMPTY(hi
))
21993 this_var
= HI2DI(hi
);
21994 if ((this_var
->di_tv
.v_type
== VAR_NUMBER
21995 || this_var
->di_tv
.v_type
== VAR_STRING
)
21996 && var_flavour(this_var
->di_key
) == VAR_FLAVOUR_SESSION
)
21998 /* Escape special characters with a backslash. Turn a LF and
21999 * CR into \n and \r. */
22000 p
= vim_strsave_escaped(get_tv_string(&this_var
->di_tv
),
22001 (char_u
*)"\\\"\n\r");
22002 if (p
== NULL
) /* out of memory */
22004 for (t
= p
; *t
!= NUL
; ++t
)
22007 else if (*t
== '\r')
22009 if ((fprintf(fd
, "let %s = %c%s%c",
22011 (this_var
->di_tv
.v_type
== VAR_STRING
) ? '"'
22014 (this_var
->di_tv
.v_type
== VAR_STRING
) ? '"'
22016 || put_eol(fd
) == FAIL
)
22024 else if (this_var
->di_tv
.v_type
== VAR_FLOAT
22025 && var_flavour(this_var
->di_key
) == VAR_FLAVOUR_SESSION
)
22027 float_T f
= this_var
->di_tv
.vval
.v_float
;
22035 if ((fprintf(fd
, "let %s = %c&%f",
22036 this_var
->di_key
, sign
, f
) < 0)
22037 || put_eol(fd
) == FAIL
)
22048 * Display script name where an item was last set.
22049 * Should only be invoked when 'verbose' is non-zero.
22052 last_set_msg(scriptID
)
22059 p
= home_replace_save(NULL
, get_scriptname(scriptID
));
22063 MSG_PUTS(_("\n\tLast set from "));
22072 * List v:oldfiles in a nice way.
22076 exarg_T
*eap UNUSED
;
22078 list_T
*l
= vimvars
[VV_OLDFILES
].vv_list
;
22083 msg((char_u
*)_("No old files"));
22088 for (li
= l
->lv_first
; li
!= NULL
&& !got_int
; li
= li
->li_next
)
22090 msg_outnum((long)++nr
);
22092 msg_outtrans(get_tv_string(&li
->li_tv
));
22094 out_flush(); /* output one line at a time */
22097 /* Assume "got_int" was set to truncate the listing. */
22100 #ifdef FEAT_BROWSE_CMD
22104 nr
= prompt_for_number(FALSE
);
22108 char_u
*p
= list_find_str(get_vim_var_list(VV_OLDFILES
),
22113 p
= expand_env_save(p
);
22115 eap
->cmdidx
= CMD_edit
;
22116 cmdmod
.browse
= FALSE
;
22117 do_exedit(eap
, NULL
);
22126 #endif /* FEAT_EVAL */
22129 #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) || defined(PROTO)
22133 * Functions for ":8" filename modifier: get 8.3 version of a filename.
22135 static int get_short_pathname
__ARGS((char_u
**fnamep
, char_u
**bufp
, int *fnamelen
));
22136 static int shortpath_for_invalid_fname
__ARGS((char_u
**fname
, char_u
**bufp
, int *fnamelen
));
22137 static int shortpath_for_partial
__ARGS((char_u
**fnamep
, char_u
**bufp
, int *fnamelen
));
22140 * Get the short path (8.3) for the filename in "fnamep".
22141 * Only works for a valid file name.
22142 * When the path gets longer "fnamep" is changed and the allocated buffer
22143 * is put in "bufp".
22144 * *fnamelen is the length of "fnamep" and set to 0 for a nonexistent path.
22145 * Returns OK on success, FAIL on failure.
22148 get_short_pathname(fnamep
, bufp
, fnamelen
)
22157 l
= GetShortPathName(*fnamep
, *fnamep
, len
);
22160 /* If that doesn't work (not enough space), then save the string
22161 * and try again with a new buffer big enough. */
22162 newbuf
= vim_strnsave(*fnamep
, l
);
22163 if (newbuf
== NULL
)
22167 *fnamep
= *bufp
= newbuf
;
22169 /* Really should always succeed, as the buffer is big enough. */
22170 l
= GetShortPathName(*fnamep
, *fnamep
, l
+1);
22178 * Get the short path (8.3) for the filename in "fname". The converted
22179 * path is returned in "bufp".
22181 * Some of the directories specified in "fname" may not exist. This function
22182 * will shorten the existing directories at the beginning of the path and then
22183 * append the remaining non-existing path.
22185 * fname - Pointer to the filename to shorten. On return, contains the
22186 * pointer to the shortened pathname
22187 * bufp - Pointer to an allocated buffer for the filename.
22188 * fnamelen - Length of the filename pointed to by fname
22190 * Returns OK on success (or nothing done) and FAIL on failure (out of memory).
22193 shortpath_for_invalid_fname(fname
, bufp
, fnamelen
)
22198 char_u
*short_fname
, *save_fname
, *pbuf_unused
;
22199 char_u
*endp
, *save_endp
;
22202 int new_len
, sfx_len
;
22206 old_len
= *fnamelen
;
22207 save_fname
= vim_strnsave(*fname
, old_len
);
22208 pbuf_unused
= NULL
;
22209 short_fname
= NULL
;
22211 endp
= save_fname
+ old_len
- 1; /* Find the end of the copy */
22215 * Try shortening the supplied path till it succeeds by removing one
22216 * directory at a time from the tail of the path.
22221 /* go back one path-separator */
22222 while (endp
> save_fname
&& !after_pathsep(save_fname
, endp
+ 1))
22224 if (endp
<= save_fname
)
22225 break; /* processed the complete path */
22228 * Replace the path separator with a NUL and try to shorten the
22233 short_fname
= save_fname
;
22234 len
= (int)STRLEN(short_fname
) + 1;
22235 if (get_short_pathname(&short_fname
, &pbuf_unused
, &len
) == FAIL
)
22240 *endp
= ch
; /* preserve the string */
22243 break; /* successfully shortened the path */
22245 /* failed to shorten the path. Skip the path separator */
22252 * Succeeded in shortening the path. Now concatenate the shortened
22253 * path with the remaining path at the tail.
22256 /* Compute the length of the new path. */
22257 sfx_len
= (int)(save_endp
- endp
) + 1;
22258 new_len
= len
+ sfx_len
;
22260 *fnamelen
= new_len
;
22262 if (new_len
> old_len
)
22264 /* There is not enough space in the currently allocated string,
22265 * copy it to a buffer big enough. */
22266 *fname
= *bufp
= vim_strnsave(short_fname
, new_len
);
22267 if (*fname
== NULL
)
22275 /* Transfer short_fname to the main buffer (it's big enough),
22276 * unless get_short_pathname() did its work in-place. */
22277 *fname
= *bufp
= save_fname
;
22278 if (short_fname
!= save_fname
)
22279 vim_strncpy(save_fname
, short_fname
, len
);
22283 /* concat the not-shortened part of the path */
22284 vim_strncpy(*fname
+ len
, endp
, sfx_len
);
22285 (*fname
)[new_len
] = NUL
;
22289 vim_free(pbuf_unused
);
22290 vim_free(save_fname
);
22296 * Get a pathname for a partial path.
22297 * Returns OK for success, FAIL for failure.
22300 shortpath_for_partial(fnamep
, bufp
, fnamelen
)
22305 int sepcount
, len
, tflen
;
22307 char_u
*pbuf
, *tfname
;
22310 /* Count up the path separators from the RHS.. so we know which part
22311 * of the path to return. */
22313 for (p
= *fnamep
; p
< *fnamep
+ *fnamelen
; mb_ptr_adv(p
))
22314 if (vim_ispathsep(*p
))
22317 /* Need full path first (use expand_env() to remove a "~/") */
22318 hasTilde
= (**fnamep
== '~');
22320 pbuf
= tfname
= expand_env_save(*fnamep
);
22322 pbuf
= tfname
= FullName_save(*fnamep
, FALSE
);
22324 len
= tflen
= (int)STRLEN(tfname
);
22326 if (get_short_pathname(&tfname
, &pbuf
, &len
) == FAIL
)
22331 /* Don't have a valid filename, so shorten the rest of the
22332 * path if we can. This CAN give us invalid 8.3 filenames, but
22333 * there's not a lot of point in guessing what it might be.
22336 if (shortpath_for_invalid_fname(&tfname
, &pbuf
, &len
) == FAIL
)
22340 /* Count the paths backward to find the beginning of the desired string. */
22341 for (p
= tfname
+ len
- 1; p
>= tfname
; --p
)
22345 p
-= mb_head_off(tfname
, p
);
22347 if (vim_ispathsep(*p
))
22349 if (sepcount
== 0 || (hasTilde
&& sepcount
== 1))
22366 /* Copy in the string - p indexes into tfname - allocated at pbuf */
22368 *fnamelen
= (int)STRLEN(p
);
22374 #endif /* WIN3264 */
22377 * Adjust a filename, according to a string of modifiers.
22378 * *fnamep must be NUL terminated when called. When returning, the length is
22379 * determined by *fnamelen.
22380 * Returns VALID_ flags or -1 for failure.
22381 * When there is an error, *fnamep is set to NULL.
22384 modify_fname(src
, usedlen
, fnamep
, bufp
, fnamelen
)
22385 char_u
*src
; /* string with modifiers */
22386 int *usedlen
; /* characters after src that are used */
22387 char_u
**fnamep
; /* file name so far */
22388 char_u
**bufp
; /* buffer for allocated file name or NULL */
22389 int *fnamelen
; /* length of fnamep */
22393 char_u
*s
, *p
, *pbuf
;
22394 char_u dirname
[MAXPATHL
];
22396 int has_fullname
= 0;
22398 int has_shortname
= 0;
22402 /* ":p" - full path/file_name */
22403 if (src
[*usedlen
] == ':' && src
[*usedlen
+ 1] == 'p')
22407 valid
|= VALID_PATH
;
22410 /* Expand "~/path" for all systems and "~user/path" for Unix and VMS */
22411 if ((*fnamep
)[0] == '~'
22412 #if !defined(UNIX) && !(defined(VMS) && defined(USER_HOME))
22413 && ((*fnamep
)[1] == '/'
22414 # ifdef BACKSLASH_IN_FILENAME
22415 || (*fnamep
)[1] == '\\'
22417 || (*fnamep
)[1] == NUL
)
22422 *fnamep
= expand_env_save(*fnamep
);
22423 vim_free(*bufp
); /* free any allocated file name */
22425 if (*fnamep
== NULL
)
22429 /* When "/." or "/.." is used: force expansion to get rid of it. */
22430 for (p
= *fnamep
; *p
!= NUL
; mb_ptr_adv(p
))
22432 if (vim_ispathsep(*p
)
22435 || vim_ispathsep(p
[2])
22437 && (p
[3] == NUL
|| vim_ispathsep(p
[3])))))
22441 /* FullName_save() is slow, don't use it when not needed. */
22442 if (*p
!= NUL
|| !vim_isAbsName(*fnamep
))
22444 *fnamep
= FullName_save(*fnamep
, *p
!= NUL
);
22445 vim_free(*bufp
); /* free any allocated file name */
22447 if (*fnamep
== NULL
)
22451 /* Append a path separator to a directory. */
22452 if (mch_isdir(*fnamep
))
22454 /* Make room for one or two extra characters. */
22455 *fnamep
= vim_strnsave(*fnamep
, (int)STRLEN(*fnamep
) + 2);
22456 vim_free(*bufp
); /* free any allocated file name */
22458 if (*fnamep
== NULL
)
22460 add_pathsep(*fnamep
);
22464 /* ":." - path relative to the current directory */
22465 /* ":~" - path relative to the home directory */
22466 /* ":8" - shortname path - postponed till after */
22467 while (src
[*usedlen
] == ':'
22468 && ((c
= src
[*usedlen
+ 1]) == '.' || c
== '~' || c
== '8'))
22474 has_shortname
= 1; /* Postpone this. */
22479 /* Need full path first (use expand_env() to remove a "~/") */
22482 if (c
== '.' && **fnamep
== '~')
22483 p
= pbuf
= expand_env_save(*fnamep
);
22485 p
= pbuf
= FullName_save(*fnamep
, FALSE
);
22496 mch_dirname(dirname
, MAXPATHL
);
22497 s
= shorten_fname(p
, dirname
);
22503 vim_free(*bufp
); /* free any allocated file name */
22511 home_replace(NULL
, p
, dirname
, MAXPATHL
, TRUE
);
22512 /* Only replace it when it starts with '~' */
22513 if (*dirname
== '~')
22515 s
= vim_strsave(dirname
);
22528 tail
= gettail(*fnamep
);
22529 *fnamelen
= (int)STRLEN(*fnamep
);
22531 /* ":h" - head, remove "/file_name", can be repeated */
22532 /* Don't remove the first "/" or "c:\" */
22533 while (src
[*usedlen
] == ':' && src
[*usedlen
+ 1] == 'h')
22535 valid
|= VALID_HEAD
;
22537 s
= get_past_head(*fnamep
);
22538 while (tail
> s
&& after_pathsep(s
, tail
))
22539 mb_ptr_back(*fnamep
, tail
);
22540 *fnamelen
= (int)(tail
- *fnamep
);
22543 *fnamelen
+= 1; /* the path separator is part of the path */
22545 if (*fnamelen
== 0)
22547 /* Result is empty. Turn it into "." to make ":cd %:h" work. */
22548 p
= vim_strsave((char_u
*)".");
22552 *bufp
= *fnamep
= tail
= p
;
22557 while (tail
> s
&& !after_pathsep(s
, tail
))
22558 mb_ptr_back(*fnamep
, tail
);
22562 /* ":8" - shortname */
22563 if (src
[*usedlen
] == ':' && src
[*usedlen
+ 1] == '8')
22572 /* Check shortname after we have done 'heads' and before we do 'tails'
22577 /* Copy the string if it is shortened by :h */
22578 if (*fnamelen
< (int)STRLEN(*fnamep
))
22580 p
= vim_strnsave(*fnamep
, *fnamelen
);
22584 *bufp
= *fnamep
= p
;
22587 /* Split into two implementations - makes it easier. First is where
22588 * there isn't a full name already, second is where there is.
22590 if (!has_fullname
&& !vim_isAbsName(*fnamep
))
22592 if (shortpath_for_partial(fnamep
, bufp
, fnamelen
) == FAIL
)
22599 /* Simple case, already have the full-name
22600 * Nearly always shorter, so try first time. */
22602 if (get_short_pathname(fnamep
, bufp
, &l
) == FAIL
)
22607 /* Couldn't find the filename.. search the paths.
22610 if (shortpath_for_invalid_fname(fnamep
, bufp
, &l
) == FAIL
)
22616 #endif /* WIN3264 */
22618 /* ":t" - tail, just the basename */
22619 if (src
[*usedlen
] == ':' && src
[*usedlen
+ 1] == 't')
22622 *fnamelen
-= (int)(tail
- *fnamep
);
22626 /* ":e" - extension, can be repeated */
22627 /* ":r" - root, without extension, can be repeated */
22628 while (src
[*usedlen
] == ':'
22629 && (src
[*usedlen
+ 1] == 'e' || src
[*usedlen
+ 1] == 'r'))
22631 /* find a '.' in the tail:
22632 * - for second :e: before the current fname
22633 * - otherwise: The last '.'
22635 if (src
[*usedlen
+ 1] == 'e' && *fnamep
> tail
)
22638 s
= *fnamep
+ *fnamelen
- 1;
22639 for ( ; s
> tail
; --s
)
22642 if (src
[*usedlen
+ 1] == 'e') /* :e */
22646 *fnamelen
+= (int)(*fnamep
- (s
+ 1));
22649 /* cut version from the extension */
22650 s
= *fnamep
+ *fnamelen
- 1;
22651 for ( ; s
> *fnamep
; --s
)
22655 *fnamelen
= s
- *fnamep
;
22658 else if (*fnamep
<= tail
)
22663 if (s
> tail
) /* remove one extension */
22664 *fnamelen
= (int)(s
- *fnamep
);
22669 /* ":s?pat?foo?" - substitute */
22670 /* ":gs?pat?foo?" - global substitute */
22671 if (src
[*usedlen
] == ':'
22672 && (src
[*usedlen
+ 1] == 's'
22673 || (src
[*usedlen
+ 1] == 'g' && src
[*usedlen
+ 2] == 's')))
22682 flags
= (char_u
*)"";
22683 s
= src
+ *usedlen
+ 2;
22684 if (src
[*usedlen
+ 1] == 'g')
22686 flags
= (char_u
*)"g";
22693 /* find end of pattern */
22694 p
= vim_strchr(s
, sep
);
22697 pat
= vim_strnsave(s
, (int)(p
- s
));
22701 /* find end of substitution */
22702 p
= vim_strchr(s
, sep
);
22705 sub
= vim_strnsave(s
, (int)(p
- s
));
22706 str
= vim_strnsave(*fnamep
, *fnamelen
);
22707 if (sub
!= NULL
&& str
!= NULL
)
22709 *usedlen
= (int)(p
+ 1 - src
);
22710 s
= do_string_sub(str
, pat
, sub
, flags
);
22714 *fnamelen
= (int)STRLEN(s
);
22726 /* after using ":s", repeat all the modifiers */
22736 * Perform a substitution on "str" with pattern "pat" and substitute "sub".
22737 * "flags" can be "g" to do a global substitute.
22738 * Returns an allocated string, NULL for error.
22741 do_string_sub(str
, pat
, sub
, flags
)
22748 regmatch_T regmatch
;
22756 /* Make 'cpoptions' empty, so that the 'l' flag doesn't work here */
22758 p_cpo
= empty_option
;
22760 ga_init2(&ga
, 1, 200);
22762 do_all
= (flags
[0] == 'g');
22764 regmatch
.rm_ic
= p_ic
;
22765 regmatch
.regprog
= vim_regcomp(pat
, RE_MAGIC
+ RE_STRING
);
22766 if (regmatch
.regprog
!= NULL
)
22769 while (vim_regexec_nl(®match
, str
, (colnr_T
)(tail
- str
)))
22772 * Get some space for a temporary buffer to do the substitution
22773 * into. It will contain:
22774 * - The text up to where the match is.
22775 * - The substituted text.
22776 * - The text after the match.
22778 sublen
= vim_regsub(®match
, sub
, tail
, FALSE
, TRUE
, FALSE
);
22779 if (ga_grow(&ga
, (int)(STRLEN(tail
) + sublen
-
22780 (regmatch
.endp
[0] - regmatch
.startp
[0]))) == FAIL
)
22786 /* copy the text up to where the match is */
22787 i
= (int)(regmatch
.startp
[0] - tail
);
22788 mch_memmove((char_u
*)ga
.ga_data
+ ga
.ga_len
, tail
, (size_t)i
);
22789 /* add the substituted text */
22790 (void)vim_regsub(®match
, sub
, (char_u
*)ga
.ga_data
22791 + ga
.ga_len
+ i
, TRUE
, TRUE
, FALSE
);
22792 ga
.ga_len
+= i
+ sublen
- 1;
22793 /* avoid getting stuck on a match with an empty string */
22794 if (tail
== regmatch
.endp
[0])
22798 *((char_u
*)ga
.ga_data
+ ga
.ga_len
) = *tail
++;
22803 tail
= regmatch
.endp
[0];
22811 if (ga
.ga_data
!= NULL
)
22812 STRCPY((char *)ga
.ga_data
+ ga
.ga_len
, tail
);
22814 vim_free(regmatch
.regprog
);
22817 ret
= vim_strsave(ga
.ga_data
== NULL
? str
: (char_u
*)ga
.ga_data
);
22819 if (p_cpo
== empty_option
)
22822 /* Darn, evaluating {sub} expression changed the value. */
22823 free_string_option(save_cpo
);
22828 #endif /* defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) */