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_tv
__ARGS((list_T
*l
, typval_T
*tv
));
437 static int list_append_number
__ARGS((list_T
*l
, varnumber_T n
));
438 static int list_insert_tv
__ARGS((list_T
*l
, typval_T
*tv
, listitem_T
*item
));
439 static int list_extend
__ARGS((list_T
*l1
, list_T
*l2
, listitem_T
*bef
));
440 static int list_concat
__ARGS((list_T
*l1
, list_T
*l2
, typval_T
*tv
));
441 static list_T
*list_copy
__ARGS((list_T
*orig
, int deep
, int copyID
));
442 static void list_remove
__ARGS((list_T
*l
, listitem_T
*item
, listitem_T
*item2
));
443 static char_u
*list2string
__ARGS((typval_T
*tv
, int copyID
));
444 static int list_join
__ARGS((garray_T
*gap
, list_T
*l
, char_u
*sep
, int echo
, int copyID
));
445 static int free_unref_items
__ARGS((int copyID
));
446 static void set_ref_in_ht
__ARGS((hashtab_T
*ht
, int copyID
));
447 static void set_ref_in_list
__ARGS((list_T
*l
, int copyID
));
448 static void set_ref_in_item
__ARGS((typval_T
*tv
, int copyID
));
449 static void dict_unref
__ARGS((dict_T
*d
));
450 static void dict_free
__ARGS((dict_T
*d
, int recurse
));
451 static dictitem_T
*dictitem_alloc
__ARGS((char_u
*key
));
452 static dictitem_T
*dictitem_copy
__ARGS((dictitem_T
*org
));
453 static void dictitem_remove
__ARGS((dict_T
*dict
, dictitem_T
*item
));
454 static void dictitem_free
__ARGS((dictitem_T
*item
));
455 static dict_T
*dict_copy
__ARGS((dict_T
*orig
, int deep
, int copyID
));
456 static int dict_add
__ARGS((dict_T
*d
, dictitem_T
*item
));
457 static long dict_len
__ARGS((dict_T
*d
));
458 static dictitem_T
*dict_find
__ARGS((dict_T
*d
, char_u
*key
, int len
));
459 static char_u
*dict2string
__ARGS((typval_T
*tv
, int copyID
));
460 static int get_dict_tv
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
461 static char_u
*echo_string
__ARGS((typval_T
*tv
, char_u
**tofree
, char_u
*numbuf
, int copyID
));
462 static char_u
*tv2string
__ARGS((typval_T
*tv
, char_u
**tofree
, char_u
*numbuf
, int copyID
));
463 static char_u
*string_quote
__ARGS((char_u
*str
, int function
));
465 static int string2float
__ARGS((char_u
*text
, float_T
*value
));
467 static int get_env_tv
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
468 static int find_internal_func
__ARGS((char_u
*name
));
469 static char_u
*deref_func_name
__ARGS((char_u
*name
, int *lenp
));
470 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
));
471 static int call_func
__ARGS((char_u
*name
, int len
, typval_T
*rettv
, int argcount
, typval_T
*argvars
, linenr_T firstline
, linenr_T lastline
, int *doesrange
, int evaluate
, dict_T
*selfdict
));
472 static void emsg_funcname
__ARGS((char *ermsg
, char_u
*name
));
473 static int non_zero_arg
__ARGS((typval_T
*argvars
));
476 static void f_abs
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
478 static void f_add
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
479 static void f_append
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
480 static void f_argc
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
481 static void f_argidx
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
482 static void f_argv
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
484 static void f_atan
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
486 static void f_browse
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
487 static void f_browsedir
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
488 static void f_bufexists
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
489 static void f_buflisted
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
490 static void f_bufloaded
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
491 static void f_bufname
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
492 static void f_bufnr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
493 static void f_bufwinnr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
494 static void f_byte2line
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
495 static void f_byteidx
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
496 static void f_call
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
498 static void f_ceil
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
500 static void f_changenr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
501 static void f_char2nr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
502 static void f_cindent
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
503 static void f_clearmatches
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
504 static void f_col
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
505 #if defined(FEAT_INS_EXPAND)
506 static void f_complete
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
507 static void f_complete_add
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
508 static void f_complete_check
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
510 static void f_confirm
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
511 static void f_copy
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
513 static void f_cos
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
515 static void f_count
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
516 static void f_cscope_connection
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
517 static void f_cursor
__ARGS((typval_T
*argsvars
, typval_T
*rettv
));
518 static void f_deepcopy
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
519 static void f_delete
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
520 static void f_did_filetype
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
521 static void f_diff_filler
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
522 static void f_diff_hlID
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
523 static void f_empty
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
524 static void f_escape
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
525 static void f_eval
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
526 static void f_eventhandler
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
527 static void f_executable
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
528 static void f_exists
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
529 static void f_expand
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
530 static void f_extend
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
531 static void f_feedkeys
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
532 static void f_filereadable
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
533 static void f_filewritable
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
534 static void f_filter
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
535 static void f_finddir
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
536 static void f_findfile
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
538 static void f_float2nr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
539 static void f_floor
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
541 static void f_fnameescape
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
542 static void f_fnamemodify
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
543 static void f_foldclosed
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
544 static void f_foldclosedend
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
545 static void f_foldlevel
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
546 static void f_foldtext
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
547 static void f_foldtextresult
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
548 static void f_foreground
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
549 static void f_function
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
550 static void f_garbagecollect
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
551 static void f_get
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
552 static void f_getbufline
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
553 static void f_getbufvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
554 static void f_getchar
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
555 static void f_getcharmod
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
556 static void f_getcmdline
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
557 static void f_getcmdpos
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
558 static void f_getcmdtype
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
559 static void f_getcwd
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
560 static void f_getfontname
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
561 static void f_getfperm
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
562 static void f_getfsize
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
563 static void f_getftime
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
564 static void f_getftype
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
565 static void f_getline
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
566 static void f_getmatches
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
567 static void f_getpid
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
568 static void f_getpos
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
569 static void f_getqflist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
570 static void f_getreg
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
571 static void f_getregtype
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
572 static void f_gettabwinvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
573 static void f_getwinposx
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
574 static void f_getwinposy
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
575 static void f_getwinvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
576 static void f_glob
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
577 static void f_globpath
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
578 static void f_has
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
579 static void f_has_key
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
580 static void f_haslocaldir
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
581 static void f_hasmapto
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
582 static void f_histadd
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
583 static void f_histdel
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
584 static void f_histget
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
585 static void f_histnr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
586 static void f_hlID
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
587 static void f_hlexists
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
588 static void f_hostname
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
589 static void f_iconv
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
590 static void f_indent
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
591 static void f_index
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
592 static void f_input
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
593 static void f_inputdialog
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
594 static void f_inputlist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
595 static void f_inputrestore
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
596 static void f_inputsave
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
597 static void f_inputsecret
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
598 static void f_insert
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
599 static void f_isdirectory
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
600 static void f_islocked
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
601 static void f_items
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
602 static void f_join
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
603 static void f_keys
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
604 static void f_last_buffer_nr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
605 static void f_len
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
606 static void f_libcall
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
607 static void f_libcallnr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
608 static void f_line
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
609 static void f_line2byte
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
610 static void f_lispindent
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
611 static void f_localtime
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
613 static void f_log10
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
615 static void f_map
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
616 static void f_maparg
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
617 static void f_mapcheck
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
618 static void f_match
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
619 static void f_matchadd
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
620 static void f_matcharg
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
621 static void f_matchdelete
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
622 static void f_matchend
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
623 static void f_matchlist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
624 static void f_matchstr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
625 static void f_max
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
626 static void f_min
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
628 static void f_mkdir
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
630 static void f_mode
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
631 static void f_nextnonblank
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
632 static void f_nr2char
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
633 static void f_pathshorten
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
635 static void f_pow
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
637 static void f_prevnonblank
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
638 static void f_printf
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
639 static void f_pumvisible
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
640 static void f_range
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
641 static void f_readfile
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
642 static void f_reltime
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
643 static void f_reltimestr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
644 static void f_remote_expr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
645 static void f_remote_foreground
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
646 static void f_remote_peek
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
647 static void f_remote_read
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
648 static void f_remote_send
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
649 static void f_remove
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
650 static void f_rename
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
651 static void f_repeat
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
652 static void f_resolve
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
653 static void f_reverse
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
655 static void f_round
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
657 static void f_search
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
658 static void f_searchdecl
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
659 static void f_searchpair
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
660 static void f_searchpairpos
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
661 static void f_searchpos
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
662 static void f_server2client
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
663 static void f_serverlist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
664 static void f_setbufvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
665 static void f_setcmdpos
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
666 static void f_setline
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
667 static void f_setloclist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
668 static void f_setmatches
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
669 static void f_setpos
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
670 static void f_setqflist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
671 static void f_setreg
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
672 static void f_settabwinvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
673 static void f_setwinvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
674 static void f_shellescape
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
675 static void f_simplify
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
677 static void f_sin
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
679 static void f_sort
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
680 static void f_soundfold
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
681 static void f_spellbadword
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
682 static void f_spellsuggest
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
683 static void f_split
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
685 static void f_sqrt
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
686 static void f_str2float
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
688 static void f_str2nr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
690 static void f_strftime
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
692 static void f_stridx
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
693 static void f_string
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
694 static void f_strlen
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
695 static void f_strpart
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
696 static void f_strridx
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
697 static void f_strtrans
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
698 static void f_submatch
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
699 static void f_substitute
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
700 static void f_synID
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
701 static void f_synIDattr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
702 static void f_synIDtrans
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
703 static void f_synstack
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
704 static void f_system
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
705 static void f_tabpagebuflist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
706 static void f_tabpagenr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
707 static void f_tabpagewinnr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
708 static void f_taglist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
709 static void f_tagfiles
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
710 static void f_tempname
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
711 static void f_test
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
712 static void f_tolower
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
713 static void f_toupper
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
714 static void f_tr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
716 static void f_trunc
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
718 static void f_type
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
719 static void f_values
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
720 static void f_virtcol
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
721 static void f_visualmode
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
722 static void f_winbufnr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
723 static void f_wincol
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
724 static void f_winheight
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
725 static void f_winline
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
726 static void f_winnr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
727 static void f_winrestcmd
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
728 static void f_winrestview
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
729 static void f_winsaveview
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
730 static void f_winwidth
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
731 static void f_writefile
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
733 static int list2fpos
__ARGS((typval_T
*arg
, pos_T
*posp
, int *fnump
));
734 static pos_T
*var2fpos
__ARGS((typval_T
*varp
, int dollar_lnum
, int *fnum
));
735 static int get_env_len
__ARGS((char_u
**arg
));
736 static int get_id_len
__ARGS((char_u
**arg
));
737 static int get_name_len
__ARGS((char_u
**arg
, char_u
**alias
, int evaluate
, int verbose
));
738 static char_u
*find_name_end
__ARGS((char_u
*arg
, char_u
**expr_start
, char_u
**expr_end
, int flags
));
739 #define FNE_INCL_BR 1 /* find_name_end(): include [] in name */
740 #define FNE_CHECK_START 2 /* find_name_end(): check name starts with
742 static char_u
* make_expanded_name
__ARGS((char_u
*in_start
, char_u
*expr_start
, char_u
*expr_end
, char_u
*in_end
));
743 static int eval_isnamec
__ARGS((int c
));
744 static int eval_isnamec1
__ARGS((int c
));
745 static int get_var_tv
__ARGS((char_u
*name
, int len
, typval_T
*rettv
, int verbose
));
746 static int handle_subscript
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
, int verbose
));
747 static typval_T
*alloc_tv
__ARGS((void));
748 static typval_T
*alloc_string_tv
__ARGS((char_u
*string
));
749 static void init_tv
__ARGS((typval_T
*varp
));
750 static long get_tv_number
__ARGS((typval_T
*varp
));
751 static linenr_T get_tv_lnum
__ARGS((typval_T
*argvars
));
752 static linenr_T get_tv_lnum_buf
__ARGS((typval_T
*argvars
, buf_T
*buf
));
753 static char_u
*get_tv_string
__ARGS((typval_T
*varp
));
754 static char_u
*get_tv_string_buf
__ARGS((typval_T
*varp
, char_u
*buf
));
755 static char_u
*get_tv_string_buf_chk
__ARGS((typval_T
*varp
, char_u
*buf
));
756 static dictitem_T
*find_var
__ARGS((char_u
*name
, hashtab_T
**htp
));
757 static dictitem_T
*find_var_in_ht
__ARGS((hashtab_T
*ht
, char_u
*varname
, int writing
));
758 static hashtab_T
*find_var_ht
__ARGS((char_u
*name
, char_u
**varname
));
759 static void vars_clear_ext
__ARGS((hashtab_T
*ht
, int free_val
));
760 static void delete_var
__ARGS((hashtab_T
*ht
, hashitem_T
*hi
));
761 static void list_one_var
__ARGS((dictitem_T
*v
, char_u
*prefix
, int *first
));
762 static void list_one_var_a
__ARGS((char_u
*prefix
, char_u
*name
, int type
, char_u
*string
, int *first
));
763 static void set_var
__ARGS((char_u
*name
, typval_T
*varp
, int copy
));
764 static int var_check_ro
__ARGS((int flags
, char_u
*name
));
765 static int var_check_fixed
__ARGS((int flags
, char_u
*name
));
766 static int tv_check_lock
__ARGS((int lock
, char_u
*name
));
767 static void copy_tv
__ARGS((typval_T
*from
, typval_T
*to
));
768 static int item_copy
__ARGS((typval_T
*from
, typval_T
*to
, int deep
, int copyID
));
769 static char_u
*find_option_end
__ARGS((char_u
**arg
, int *opt_flags
));
770 static char_u
*trans_function_name
__ARGS((char_u
**pp
, int skip
, int flags
, funcdict_T
*fd
));
771 static int eval_fname_script
__ARGS((char_u
*p
));
772 static int eval_fname_sid
__ARGS((char_u
*p
));
773 static void list_func_head
__ARGS((ufunc_T
*fp
, int indent
));
774 static ufunc_T
*find_func
__ARGS((char_u
*name
));
775 static int function_exists
__ARGS((char_u
*name
));
776 static int builtin_function
__ARGS((char_u
*name
));
778 static void func_do_profile
__ARGS((ufunc_T
*fp
));
779 static void prof_sort_list
__ARGS((FILE *fd
, ufunc_T
**sorttab
, int st_len
, char *title
, int prefer_self
));
780 static void prof_func_line
__ARGS((FILE *fd
, int count
, proftime_T
*total
, proftime_T
*self
, int prefer_self
));
785 prof_total_cmp
__ARGS((const void *s1
, const void *s2
));
790 prof_self_cmp
__ARGS((const void *s1
, const void *s2
));
792 static int script_autoload
__ARGS((char_u
*name
, int reload
));
793 static char_u
*autoload_name
__ARGS((char_u
*name
));
794 static void cat_func_name
__ARGS((char_u
*buf
, ufunc_T
*fp
));
795 static void func_free
__ARGS((ufunc_T
*fp
));
796 static void func_unref
__ARGS((char_u
*name
));
797 static void func_ref
__ARGS((char_u
*name
));
798 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
));
799 static int can_free_funccal
__ARGS((funccall_T
*fc
, int copyID
)) ;
800 static void free_funccal
__ARGS((funccall_T
*fc
, int free_val
));
801 static void add_nr_var
__ARGS((dict_T
*dp
, dictitem_T
*v
, char *name
, varnumber_T nr
));
802 static win_T
*find_win_by_nr
__ARGS((typval_T
*vp
, tabpage_T
*tp
));
803 static void getwinvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int off
));
804 static int searchpair_cmn
__ARGS((typval_T
*argvars
, pos_T
*match_pos
));
805 static int search_cmn
__ARGS((typval_T
*argvars
, pos_T
*match_pos
, int *flagsp
));
806 static void setwinvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int off
));
808 /* Character used as separated in autoload function/variable names. */
809 #define AUTOLOAD_CHAR '#'
812 * Initialize the global and v: variables.
820 init_var_dict(&globvardict
, &globvars_var
);
821 init_var_dict(&vimvardict
, &vimvars_var
);
822 hash_init(&compat_hashtab
);
823 hash_init(&func_hashtab
);
825 for (i
= 0; i
< VV_LEN
; ++i
)
828 STRCPY(p
->vv_di
.di_key
, p
->vv_name
);
829 if (p
->vv_flags
& VV_RO
)
830 p
->vv_di
.di_flags
= DI_FLAGS_RO
| DI_FLAGS_FIX
;
831 else if (p
->vv_flags
& VV_RO_SBX
)
832 p
->vv_di
.di_flags
= DI_FLAGS_RO_SBX
| DI_FLAGS_FIX
;
834 p
->vv_di
.di_flags
= DI_FLAGS_FIX
;
836 /* add to v: scope dict, unless the value is not always available */
837 if (p
->vv_type
!= VAR_UNKNOWN
)
838 hash_add(&vimvarht
, p
->vv_di
.di_key
);
839 if (p
->vv_flags
& VV_COMPAT
)
840 /* add to compat scope dict */
841 hash_add(&compat_hashtab
, p
->vv_di
.di_key
);
843 set_vim_var_nr(VV_SEARCHFORWARD
, 1L);
846 #if defined(EXITFREE) || defined(PROTO)
853 for (i
= 0; i
< VV_LEN
; ++i
)
856 if (p
->vv_di
.di_tv
.v_type
== VAR_STRING
)
861 else if (p
->vv_di
.di_tv
.v_type
== VAR_LIST
)
863 list_unref(p
->vv_list
);
867 hash_clear(&vimvarht
);
868 hash_init(&vimvarht
); /* garbage_collect() will access it */
869 hash_clear(&compat_hashtab
);
871 /* script-local variables */
872 for (i
= 1; i
<= ga_scripts
.ga_len
; ++i
)
873 vars_clear(&SCRIPT_VARS(i
));
874 ga_clear(&ga_scripts
);
877 /* global variables */
878 vars_clear(&globvarht
);
880 /* autoloaded script names */
881 ga_clear_strings(&ga_loaded
);
883 /* unreferenced lists and dicts */
884 (void)garbage_collect();
887 free_all_functions();
888 hash_clear(&func_hashtab
);
893 * Return the name of the executed function.
899 return ((funccall_T
*)cookie
)->func
->uf_name
;
903 * Return the address holding the next breakpoint line for a funccall cookie.
906 func_breakpoint(cookie
)
909 return &((funccall_T
*)cookie
)->breakpoint
;
913 * Return the address holding the debug tick for a funccall cookie.
916 func_dbg_tick(cookie
)
919 return &((funccall_T
*)cookie
)->dbg_tick
;
923 * Return the nesting level for a funccall cookie.
929 return ((funccall_T
*)cookie
)->level
;
932 /* pointer to funccal for currently active function */
933 funccall_T
*current_funccal
= NULL
;
935 /* pointer to list of previously used funccal, still around because some
936 * item in it is still being used. */
937 funccall_T
*previous_funccal
= NULL
;
940 * Return TRUE when a function was ended by a ":return" command.
943 current_func_returned()
945 return current_funccal
->returned
;
950 * Set an internal variable to a string value. Creates the variable if it does
954 set_internal_string_var(name
, value
)
961 val
= vim_strsave(value
);
964 tvp
= alloc_string_tv(val
);
967 set_var(name
, tvp
, FALSE
);
973 static lval_T
*redir_lval
= NULL
;
974 static garray_T redir_ga
; /* only valid when redir_lval is not NULL */
975 static char_u
*redir_endp
= NULL
;
976 static char_u
*redir_varname
= NULL
;
979 * Start recording command output to a variable
980 * Returns OK if successfully completed the setup. FAIL otherwise.
983 var_redir_start(name
, append
)
985 int append
; /* append to an existing variable */
991 /* Make sure a valid variable name is specified */
992 if (!eval_isnamec1(*name
))
998 redir_varname
= vim_strsave(name
);
999 if (redir_varname
== NULL
)
1002 redir_lval
= (lval_T
*)alloc_clear((unsigned)sizeof(lval_T
));
1003 if (redir_lval
== NULL
)
1009 /* The output is stored in growarray "redir_ga" until redirection ends. */
1010 ga_init2(&redir_ga
, (int)sizeof(char), 500);
1012 /* Parse the variable name (can be a dict or list entry). */
1013 redir_endp
= get_lval(redir_varname
, NULL
, redir_lval
, FALSE
, FALSE
, FALSE
,
1015 if (redir_endp
== NULL
|| redir_lval
->ll_name
== NULL
|| *redir_endp
!= NUL
)
1017 if (redir_endp
!= NULL
&& *redir_endp
!= NUL
)
1018 /* Trailing characters are present after the variable name */
1019 EMSG(_(e_trailing
));
1026 /* check if we can write to the variable: set it to or append an empty
1028 save_emsg
= did_emsg
;
1030 tv
.v_type
= VAR_STRING
;
1031 tv
.vval
.v_string
= (char_u
*)"";
1033 set_var_lval(redir_lval
, redir_endp
, &tv
, TRUE
, (char_u
*)".");
1035 set_var_lval(redir_lval
, redir_endp
, &tv
, TRUE
, (char_u
*)"=");
1037 did_emsg
|= save_emsg
;
1043 if (redir_lval
->ll_newkey
!= NULL
)
1045 /* Dictionary item was created, don't do it again. */
1046 vim_free(redir_lval
->ll_newkey
);
1047 redir_lval
->ll_newkey
= NULL
;
1054 * Append "value[value_len]" to the variable set by var_redir_start().
1055 * The actual appending is postponed until redirection ends, because the value
1056 * appended may in fact be the string we write to, changing it may cause freed
1057 * memory to be used:
1063 var_redir_str(value
, value_len
)
1069 if (redir_lval
== NULL
)
1072 if (value_len
== -1)
1073 len
= (int)STRLEN(value
); /* Append the entire string */
1075 len
= value_len
; /* Append only "value_len" characters */
1077 if (ga_grow(&redir_ga
, len
) == OK
)
1079 mch_memmove((char *)redir_ga
.ga_data
+ redir_ga
.ga_len
, value
, len
);
1080 redir_ga
.ga_len
+= len
;
1087 * Stop redirecting command output to a variable.
1094 if (redir_lval
!= NULL
)
1096 /* Append the trailing NUL. */
1097 ga_append(&redir_ga
, NUL
);
1099 /* Assign the text to the variable. */
1100 tv
.v_type
= VAR_STRING
;
1101 tv
.vval
.v_string
= redir_ga
.ga_data
;
1102 set_var_lval(redir_lval
, redir_endp
, &tv
, FALSE
, (char_u
*)".");
1103 vim_free(tv
.vval
.v_string
);
1105 clear_lval(redir_lval
);
1106 vim_free(redir_lval
);
1109 vim_free(redir_varname
);
1110 redir_varname
= NULL
;
1113 # if defined(FEAT_MBYTE) || defined(PROTO)
1115 eval_charconvert(enc_from
, enc_to
, fname_from
, fname_to
)
1123 set_vim_var_string(VV_CC_FROM
, enc_from
, -1);
1124 set_vim_var_string(VV_CC_TO
, enc_to
, -1);
1125 set_vim_var_string(VV_FNAME_IN
, fname_from
, -1);
1126 set_vim_var_string(VV_FNAME_OUT
, fname_to
, -1);
1127 if (eval_to_bool(p_ccv
, &err
, NULL
, FALSE
))
1129 set_vim_var_string(VV_CC_FROM
, NULL
, -1);
1130 set_vim_var_string(VV_CC_TO
, NULL
, -1);
1131 set_vim_var_string(VV_FNAME_IN
, NULL
, -1);
1132 set_vim_var_string(VV_FNAME_OUT
, NULL
, -1);
1140 # if defined(FEAT_POSTSCRIPT) || defined(PROTO)
1142 eval_printexpr(fname
, args
)
1148 set_vim_var_string(VV_FNAME_IN
, fname
, -1);
1149 set_vim_var_string(VV_CMDARG
, args
, -1);
1150 if (eval_to_bool(p_pexpr
, &err
, NULL
, FALSE
))
1152 set_vim_var_string(VV_FNAME_IN
, NULL
, -1);
1153 set_vim_var_string(VV_CMDARG
, NULL
, -1);
1164 # if defined(FEAT_DIFF) || defined(PROTO)
1166 eval_diff(origfile
, newfile
, outfile
)
1173 set_vim_var_string(VV_FNAME_IN
, origfile
, -1);
1174 set_vim_var_string(VV_FNAME_NEW
, newfile
, -1);
1175 set_vim_var_string(VV_FNAME_OUT
, outfile
, -1);
1176 (void)eval_to_bool(p_dex
, &err
, NULL
, FALSE
);
1177 set_vim_var_string(VV_FNAME_IN
, NULL
, -1);
1178 set_vim_var_string(VV_FNAME_NEW
, NULL
, -1);
1179 set_vim_var_string(VV_FNAME_OUT
, NULL
, -1);
1183 eval_patch(origfile
, difffile
, outfile
)
1190 set_vim_var_string(VV_FNAME_IN
, origfile
, -1);
1191 set_vim_var_string(VV_FNAME_DIFF
, difffile
, -1);
1192 set_vim_var_string(VV_FNAME_OUT
, outfile
, -1);
1193 (void)eval_to_bool(p_pex
, &err
, NULL
, FALSE
);
1194 set_vim_var_string(VV_FNAME_IN
, NULL
, -1);
1195 set_vim_var_string(VV_FNAME_DIFF
, NULL
, -1);
1196 set_vim_var_string(VV_FNAME_OUT
, NULL
, -1);
1201 * Top level evaluation function, returning a boolean.
1202 * Sets "error" to TRUE if there was an error.
1203 * Return TRUE or FALSE.
1206 eval_to_bool(arg
, error
, nextcmd
, skip
)
1210 int skip
; /* only parse, don't execute */
1217 if (eval0(arg
, &tv
, nextcmd
, !skip
) == FAIL
)
1224 retval
= (get_tv_number_chk(&tv
, error
) != 0);
1235 * Top level evaluation function, returning a string. If "skip" is TRUE,
1236 * only parsing to "nextcmd" is done, without reporting errors. Return
1237 * pointer to allocated memory, or NULL for failure or when "skip" is TRUE.
1240 eval_to_string_skip(arg
, nextcmd
, skip
)
1243 int skip
; /* only parse, don't execute */
1250 if (eval0(arg
, &tv
, nextcmd
, !skip
) == FAIL
|| skip
)
1254 retval
= vim_strsave(get_tv_string(&tv
));
1264 * Skip over an expression at "*pp".
1265 * Return FAIL for an error, OK otherwise.
1273 *pp
= skipwhite(*pp
);
1274 return eval1(pp
, &rettv
, FALSE
);
1278 * Top level evaluation function, returning a string.
1279 * When "convert" is TRUE convert a List into a sequence of lines and convert
1280 * a Float to a String.
1281 * Return pointer to allocated memory, or NULL for failure.
1284 eval_to_string(arg
, nextcmd
, convert
)
1293 char_u numbuf
[NUMBUFLEN
];
1296 if (eval0(arg
, &tv
, nextcmd
, TRUE
) == FAIL
)
1300 if (convert
&& tv
.v_type
== VAR_LIST
)
1302 ga_init2(&ga
, (int)sizeof(char), 80);
1303 if (tv
.vval
.v_list
!= NULL
)
1304 list_join(&ga
, tv
.vval
.v_list
, (char_u
*)"\n", TRUE
, 0);
1305 ga_append(&ga
, NUL
);
1306 retval
= (char_u
*)ga
.ga_data
;
1309 else if (convert
&& tv
.v_type
== VAR_FLOAT
)
1311 vim_snprintf((char *)numbuf
, NUMBUFLEN
, "%g", tv
.vval
.v_float
);
1312 retval
= vim_strsave(numbuf
);
1316 retval
= vim_strsave(get_tv_string(&tv
));
1324 * Call eval_to_string() without using current local variables and using
1325 * textlock. When "use_sandbox" is TRUE use the sandbox.
1328 eval_to_string_safe(arg
, nextcmd
, use_sandbox
)
1334 void *save_funccalp
;
1336 save_funccalp
= save_funccal();
1340 retval
= eval_to_string(arg
, nextcmd
, FALSE
);
1344 restore_funccal(save_funccalp
);
1349 * Top level evaluation function, returning a number.
1350 * Evaluates "expr" silently.
1351 * Returns -1 for an error.
1354 eval_to_number(expr
)
1359 char_u
*p
= skipwhite(expr
);
1363 if (eval1(&p
, &rettv
, TRUE
) == FAIL
)
1367 retval
= get_tv_number_chk(&rettv
, NULL
);
1376 * Prepare v: variable "idx" to be used.
1377 * Save the current typeval in "save_tv".
1378 * When not used yet add the variable to the v: hashtable.
1381 prepare_vimvar(idx
, save_tv
)
1385 *save_tv
= vimvars
[idx
].vv_tv
;
1386 if (vimvars
[idx
].vv_type
== VAR_UNKNOWN
)
1387 hash_add(&vimvarht
, vimvars
[idx
].vv_di
.di_key
);
1391 * Restore v: variable "idx" to typeval "save_tv".
1392 * When no longer defined, remove the variable from the v: hashtable.
1395 restore_vimvar(idx
, save_tv
)
1401 vimvars
[idx
].vv_tv
= *save_tv
;
1402 if (vimvars
[idx
].vv_type
== VAR_UNKNOWN
)
1404 hi
= hash_find(&vimvarht
, vimvars
[idx
].vv_di
.di_key
);
1405 if (HASHITEM_EMPTY(hi
))
1406 EMSG2(_(e_intern2
), "restore_vimvar()");
1408 hash_remove(&vimvarht
, hi
);
1412 #if defined(FEAT_SPELL) || defined(PROTO)
1414 * Evaluate an expression to a list with suggestions.
1415 * For the "expr:" part of 'spellsuggest'.
1416 * Returns NULL when there is an error.
1419 eval_spell_expr(badword
, expr
)
1425 list_T
*list
= NULL
;
1426 char_u
*p
= skipwhite(expr
);
1428 /* Set "v:val" to the bad word. */
1429 prepare_vimvar(VV_VAL
, &save_val
);
1430 vimvars
[VV_VAL
].vv_type
= VAR_STRING
;
1431 vimvars
[VV_VAL
].vv_str
= badword
;
1435 if (eval1(&p
, &rettv
, TRUE
) == OK
)
1437 if (rettv
.v_type
!= VAR_LIST
)
1440 list
= rettv
.vval
.v_list
;
1445 restore_vimvar(VV_VAL
, &save_val
);
1451 * "list" is supposed to contain two items: a word and a number. Return the
1452 * word in "pp" and the number as the return value.
1453 * Return -1 if anything isn't right.
1454 * Used to get the good word and score from the eval_spell_expr() result.
1457 get_spellword(list
, pp
)
1463 li
= list
->lv_first
;
1466 *pp
= get_tv_string(&li
->li_tv
);
1471 return get_tv_number(&li
->li_tv
);
1476 * Top level evaluation function.
1477 * Returns an allocated typval_T with the result.
1478 * Returns NULL when there is an error.
1481 eval_expr(arg
, nextcmd
)
1487 tv
= (typval_T
*)alloc(sizeof(typval_T
));
1488 if (tv
!= NULL
&& eval0(arg
, tv
, nextcmd
, TRUE
) == FAIL
)
1498 #if (defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)) \
1499 || defined(FEAT_COMPL_FUNC) || defined(PROTO)
1501 * Call some vimL function and return the result in "*rettv".
1502 * Uses argv[argc] for the function arguments. Only Number and String
1503 * arguments are currently supported.
1504 * Returns OK or FAIL.
1507 call_vim_function(func
, argc
, argv
, safe
, rettv
)
1511 int safe
; /* use the sandbox */
1519 void *save_funccalp
= NULL
;
1522 argvars
= (typval_T
*)alloc((unsigned)((argc
+ 1) * sizeof(typval_T
)));
1523 if (argvars
== NULL
)
1526 for (i
= 0; i
< argc
; i
++)
1528 /* Pass a NULL or empty argument as an empty string */
1529 if (argv
[i
] == NULL
|| *argv
[i
] == NUL
)
1531 argvars
[i
].v_type
= VAR_STRING
;
1532 argvars
[i
].vval
.v_string
= (char_u
*)"";
1536 /* Recognize a number argument, the others must be strings. */
1537 vim_str2nr(argv
[i
], NULL
, &len
, TRUE
, TRUE
, &n
, NULL
);
1538 if (len
!= 0 && len
== (int)STRLEN(argv
[i
]))
1540 argvars
[i
].v_type
= VAR_NUMBER
;
1541 argvars
[i
].vval
.v_number
= n
;
1545 argvars
[i
].v_type
= VAR_STRING
;
1546 argvars
[i
].vval
.v_string
= argv
[i
];
1552 save_funccalp
= save_funccal();
1556 rettv
->v_type
= VAR_UNKNOWN
; /* clear_tv() uses this */
1557 ret
= call_func(func
, (int)STRLEN(func
), rettv
, argc
, argvars
,
1558 curwin
->w_cursor
.lnum
, curwin
->w_cursor
.lnum
,
1559 &doesrange
, TRUE
, NULL
);
1563 restore_funccal(save_funccalp
);
1573 # if (defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)) || defined(PROTO)
1575 * Call vimL function "func" and return the result as a string.
1576 * Returns NULL when calling the function fails.
1577 * Uses argv[argc] for the function arguments.
1580 call_func_retstr(func
, argc
, argv
, safe
)
1584 int safe
; /* use the sandbox */
1589 if (call_vim_function(func
, argc
, argv
, safe
, &rettv
) == FAIL
)
1592 retval
= vim_strsave(get_tv_string(&rettv
));
1598 # if defined(FEAT_COMPL_FUNC) || defined(PROTO)
1600 * Call vimL function "func" and return the result as a number.
1601 * Returns -1 when calling the function fails.
1602 * Uses argv[argc] for the function arguments.
1605 call_func_retnr(func
, argc
, argv
, safe
)
1609 int safe
; /* use the sandbox */
1614 if (call_vim_function(func
, argc
, argv
, safe
, &rettv
) == FAIL
)
1617 retval
= get_tv_number_chk(&rettv
, NULL
);
1624 * Call vimL function "func" and return the result as a List.
1625 * Uses argv[argc] for the function arguments.
1626 * Returns NULL when there is something wrong.
1629 call_func_retlist(func
, argc
, argv
, safe
)
1633 int safe
; /* use the sandbox */
1637 if (call_vim_function(func
, argc
, argv
, safe
, &rettv
) == FAIL
)
1640 if (rettv
.v_type
!= VAR_LIST
)
1646 return rettv
.vval
.v_list
;
1652 * Save the current function call pointer, and set it to NULL.
1653 * Used when executing autocommands and for ":source".
1658 funccall_T
*fc
= current_funccal
;
1660 current_funccal
= NULL
;
1665 restore_funccal(vfc
)
1668 funccall_T
*fc
= (funccall_T
*)vfc
;
1670 current_funccal
= fc
;
1673 #if defined(FEAT_PROFILE) || defined(PROTO)
1675 * Prepare profiling for entering a child or something else that is not
1676 * counted for the script/function itself.
1677 * Should always be called in pair with prof_child_exit().
1680 prof_child_enter(tm
)
1681 proftime_T
*tm
; /* place to store waittime */
1683 funccall_T
*fc
= current_funccal
;
1685 if (fc
!= NULL
&& fc
->func
->uf_profiling
)
1686 profile_start(&fc
->prof_child
);
1687 script_prof_save(tm
);
1691 * Take care of time spent in a child.
1692 * Should always be called after prof_child_enter().
1696 proftime_T
*tm
; /* where waittime was stored */
1698 funccall_T
*fc
= current_funccal
;
1700 if (fc
!= NULL
&& fc
->func
->uf_profiling
)
1702 profile_end(&fc
->prof_child
);
1703 profile_sub_wait(tm
, &fc
->prof_child
); /* don't count waiting time */
1704 profile_add(&fc
->func
->uf_tm_children
, &fc
->prof_child
);
1705 profile_add(&fc
->func
->uf_tml_children
, &fc
->prof_child
);
1707 script_prof_restore(tm
);
1714 * Evaluate 'foldexpr'. Returns the foldlevel, and any character preceding
1715 * it in "*cp". Doesn't give error messages.
1718 eval_foldexpr(arg
, cp
)
1725 int use_sandbox
= was_set_insecurely((char_u
*)"foldexpr",
1733 if (eval0(arg
, &tv
, NULL
, TRUE
) == FAIL
)
1737 /* If the result is a number, just return the number. */
1738 if (tv
.v_type
== VAR_NUMBER
)
1739 retval
= tv
.vval
.v_number
;
1740 else if (tv
.v_type
!= VAR_STRING
|| tv
.vval
.v_string
== NULL
)
1744 /* If the result is a string, check if there is a non-digit before
1746 s
= tv
.vval
.v_string
;
1747 if (!VIM_ISDIGIT(*s
) && *s
!= '-')
1749 retval
= atol((char *)s
);
1763 * ":let" list all variable values
1764 * ":let var1 var2" list variable values
1765 * ":let var = expr" assignment command.
1766 * ":let var += expr" assignment command.
1767 * ":let var -= expr" assignment command.
1768 * ":let var .= expr" assignment command.
1769 * ":let [var1, var2] = expr" unpack list.
1775 char_u
*arg
= eap
->arg
;
1776 char_u
*expr
= NULL
;
1785 argend
= skip_var_list(arg
, &var_count
, &semicolon
);
1788 if (argend
> arg
&& argend
[-1] == '.') /* for var.='str' */
1790 expr
= vim_strchr(argend
, '=');
1794 * ":let" without "=": list variables
1798 else if (!ends_excmd(*arg
))
1799 /* ":let var1 var2" */
1800 arg
= list_arg_vars(eap
, arg
, &first
);
1801 else if (!eap
->skip
)
1804 list_glob_vars(&first
);
1805 list_buf_vars(&first
);
1806 list_win_vars(&first
);
1808 list_tab_vars(&first
);
1810 list_script_vars(&first
);
1811 list_func_vars(&first
);
1812 list_vim_vars(&first
);
1814 eap
->nextcmd
= check_nextcmd(arg
);
1822 if (vim_strchr((char_u
*)"+-.", expr
[-1]) != NULL
)
1823 op
[0] = expr
[-1]; /* +=, -= or .= */
1825 expr
= skipwhite(expr
+ 1);
1829 i
= eval0(expr
, &rettv
, &eap
->nextcmd
, !eap
->skip
);
1838 (void)ex_let_vars(eap
->arg
, &rettv
, FALSE
, semicolon
, var_count
,
1846 * Assign the typevalue "tv" to the variable or variables at "arg_start".
1847 * Handles both "var" with any type and "[var, var; var]" with a list type.
1848 * When "nextchars" is not NULL it points to a string with characters that
1849 * must appear after the variable(s). Use "+", "-" or "." for add, subtract
1851 * Returns OK or FAIL;
1854 ex_let_vars(arg_start
, tv
, copy
, semicolon
, var_count
, nextchars
)
1857 int copy
; /* copy values from "tv", don't move */
1858 int semicolon
; /* from skip_var_list() */
1859 int var_count
; /* from skip_var_list() */
1862 char_u
*arg
= arg_start
;
1871 * ":let var = expr" or ":for var in list"
1873 if (ex_let_one(arg
, tv
, copy
, nextchars
, nextchars
) == NULL
)
1879 * ":let [v1, v2] = list" or ":for [v1, v2] in listlist"
1881 if (tv
->v_type
!= VAR_LIST
|| (l
= tv
->vval
.v_list
) == NULL
)
1888 if (semicolon
== 0 && var_count
< i
)
1890 EMSG(_("E687: Less targets than List items"));
1893 if (var_count
- semicolon
> i
)
1895 EMSG(_("E688: More targets than List items"));
1902 arg
= skipwhite(arg
+ 1);
1903 arg
= ex_let_one(arg
, &item
->li_tv
, TRUE
, (char_u
*)",;]", nextchars
);
1904 item
= item
->li_next
;
1908 arg
= skipwhite(arg
);
1911 /* Put the rest of the list (may be empty) in the var after ';'.
1912 * Create a new list for this. */
1916 while (item
!= NULL
)
1918 list_append_tv(l
, &item
->li_tv
);
1919 item
= item
->li_next
;
1922 ltv
.v_type
= VAR_LIST
;
1924 ltv
.vval
.v_list
= l
;
1927 arg
= ex_let_one(skipwhite(arg
+ 1), <v
, FALSE
,
1928 (char_u
*)"]", nextchars
);
1934 else if (*arg
!= ',' && *arg
!= ']')
1936 EMSG2(_(e_intern2
), "ex_let_vars()");
1945 * Skip over assignable variable "var" or list of variables "[var, var]".
1946 * Used for ":let varvar = expr" and ":for varvar in expr".
1947 * For "[var, var]" increment "*var_count" for each variable.
1948 * for "[var, var; var]" set "semicolon".
1949 * Return NULL for an error.
1952 skip_var_list(arg
, var_count
, semicolon
)
1961 /* "[var, var]": find the matching ']'. */
1965 p
= skipwhite(p
+ 1); /* skip whites after '[', ';' or ',' */
1966 s
= skip_var_one(p
);
1969 EMSG2(_(e_invarg2
), p
);
1979 if (*semicolon
== 1)
1981 EMSG(_("Double ; in list of variables"));
1988 EMSG2(_(e_invarg2
), p
);
1995 return skip_var_one(arg
);
1999 * Skip one (assignable) variable name, including @r, $VAR, &option, d.key,
2006 if (*arg
== '@' && arg
[1] != NUL
)
2008 return find_name_end(*arg
== '$' || *arg
== '&' ? arg
+ 1 : arg
,
2009 NULL
, NULL
, FNE_INCL_BR
| FNE_CHECK_START
);
2013 * List variables for hashtab "ht" with prefix "prefix".
2014 * If "empty" is TRUE also list NULL strings as empty strings.
2017 list_hashtable_vars(ht
, prefix
, empty
, first
)
2027 todo
= (int)ht
->ht_used
;
2028 for (hi
= ht
->ht_array
; todo
> 0 && !got_int
; ++hi
)
2030 if (!HASHITEM_EMPTY(hi
))
2034 if (empty
|| di
->di_tv
.v_type
!= VAR_STRING
2035 || di
->di_tv
.vval
.v_string
!= NULL
)
2036 list_one_var(di
, prefix
, first
);
2042 * List global variables.
2045 list_glob_vars(first
)
2048 list_hashtable_vars(&globvarht
, (char_u
*)"", TRUE
, first
);
2052 * List buffer variables.
2055 list_buf_vars(first
)
2058 char_u numbuf
[NUMBUFLEN
];
2060 list_hashtable_vars(&curbuf
->b_vars
.dv_hashtab
, (char_u
*)"b:",
2063 sprintf((char *)numbuf
, "%ld", (long)curbuf
->b_changedtick
);
2064 list_one_var_a((char_u
*)"b:", (char_u
*)"changedtick", VAR_NUMBER
,
2069 * List window variables.
2072 list_win_vars(first
)
2075 list_hashtable_vars(&curwin
->w_vars
.dv_hashtab
,
2076 (char_u
*)"w:", TRUE
, first
);
2081 * List tab page variables.
2084 list_tab_vars(first
)
2087 list_hashtable_vars(&curtab
->tp_vars
.dv_hashtab
,
2088 (char_u
*)"t:", TRUE
, first
);
2093 * List Vim variables.
2096 list_vim_vars(first
)
2099 list_hashtable_vars(&vimvarht
, (char_u
*)"v:", FALSE
, first
);
2103 * List script-local variables, if there is a script.
2106 list_script_vars(first
)
2109 if (current_SID
> 0 && current_SID
<= ga_scripts
.ga_len
)
2110 list_hashtable_vars(&SCRIPT_VARS(current_SID
),
2111 (char_u
*)"s:", FALSE
, first
);
2115 * List function variables, if there is a function.
2118 list_func_vars(first
)
2121 if (current_funccal
!= NULL
)
2122 list_hashtable_vars(¤t_funccal
->l_vars
.dv_hashtab
,
2123 (char_u
*)"l:", FALSE
, first
);
2127 * List variables in "arg".
2130 list_arg_vars(eap
, arg
, first
)
2143 while (!ends_excmd(*arg
) && !got_int
)
2145 if (error
|| eap
->skip
)
2147 arg
= find_name_end(arg
, NULL
, NULL
, FNE_INCL_BR
| FNE_CHECK_START
);
2148 if (!vim_iswhite(*arg
) && !ends_excmd(*arg
))
2151 EMSG(_(e_trailing
));
2157 /* get_name_len() takes care of expanding curly braces */
2158 name_start
= name
= arg
;
2159 len
= get_name_len(&arg
, &tofree
, TRUE
, TRUE
);
2162 /* This is mainly to keep test 49 working: when expanding
2163 * curly braces fails overrule the exception error message. */
2164 if (len
< 0 && !aborting())
2167 EMSG2(_(e_invarg2
), arg
);
2176 if (get_var_tv(name
, len
, &tv
, TRUE
) == FAIL
)
2180 /* handle d.key, l[idx], f(expr) */
2182 if (handle_subscript(&arg
, &tv
, TRUE
, TRUE
) == FAIL
)
2186 if (arg
== arg_subsc
&& len
== 2 && name
[1] == ':')
2190 case 'g': list_glob_vars(first
); break;
2191 case 'b': list_buf_vars(first
); break;
2192 case 'w': list_win_vars(first
); break;
2194 case 't': list_tab_vars(first
); break;
2196 case 'v': list_vim_vars(first
); break;
2197 case 's': list_script_vars(first
); break;
2198 case 'l': list_func_vars(first
); break;
2200 EMSG2(_("E738: Can't list variables for %s"), name
);
2205 char_u numbuf
[NUMBUFLEN
];
2210 s
= echo_string(&tv
, &tf
, numbuf
, 0);
2213 list_one_var_a((char_u
*)"",
2214 arg
== arg_subsc
? name
: name_start
,
2216 s
== NULL
? (char_u
*)"" : s
,
2229 arg
= skipwhite(arg
);
2236 * Set one item of ":let var = expr" or ":let [v1, v2] = list" to its value.
2237 * Returns a pointer to the char just after the var name.
2238 * Returns NULL if there is an error.
2241 ex_let_one(arg
, tv
, copy
, endchars
, op
)
2242 char_u
*arg
; /* points to variable name */
2243 typval_T
*tv
; /* value to assign to variable */
2244 int copy
; /* copy value from "tv" */
2245 char_u
*endchars
; /* valid chars after variable name or NULL */
2246 char_u
*op
; /* "+", "-", "." or NULL*/
2251 char_u
*arg_end
= NULL
;
2254 char_u
*tofree
= NULL
;
2257 * ":let $VAR = expr": Set environment variable.
2261 /* Find the end of the name. */
2264 len
= get_env_len(&arg
);
2266 EMSG2(_(e_invarg2
), name
- 1);
2269 if (op
!= NULL
&& (*op
== '+' || *op
== '-'))
2270 EMSG2(_(e_letwrong
), op
);
2271 else if (endchars
!= NULL
2272 && vim_strchr(endchars
, *skipwhite(arg
)) == NULL
)
2273 EMSG(_(e_letunexp
));
2278 p
= get_tv_string_chk(tv
);
2279 if (p
!= NULL
&& op
!= NULL
&& *op
== '.')
2281 int mustfree
= FALSE
;
2282 char_u
*s
= vim_getenv(name
, &mustfree
);
2286 p
= tofree
= concat_str(s
, p
);
2293 vim_setenv(name
, p
);
2294 if (STRICMP(name
, "HOME") == 0)
2296 else if (didset_vim
&& STRICMP(name
, "VIM") == 0)
2298 else if (didset_vimruntime
2299 && STRICMP(name
, "VIMRUNTIME") == 0)
2300 didset_vimruntime
= FALSE
;
2310 * ":let &option = expr": Set option value.
2311 * ":let &l:option = expr": Set local option value.
2312 * ":let &g:option = expr": Set global option value.
2314 else if (*arg
== '&')
2316 /* Find the end of the name. */
2317 p
= find_option_end(&arg
, &opt_flags
);
2318 if (p
== NULL
|| (endchars
!= NULL
2319 && vim_strchr(endchars
, *skipwhite(p
)) == NULL
))
2320 EMSG(_(e_letunexp
));
2326 char_u
*stringval
= NULL
;
2332 n
= get_tv_number(tv
);
2333 s
= get_tv_string_chk(tv
); /* != NULL if number or string */
2334 if (s
!= NULL
&& op
!= NULL
&& *op
!= '=')
2336 opt_type
= get_option_value(arg
, &numval
,
2337 &stringval
, opt_flags
);
2338 if ((opt_type
== 1 && *op
== '.')
2339 || (opt_type
== 0 && *op
!= '.'))
2340 EMSG2(_(e_letwrong
), op
);
2343 if (opt_type
== 1) /* number */
2350 else if (opt_type
== 0 && stringval
!= NULL
) /* string */
2352 s
= concat_str(stringval
, s
);
2353 vim_free(stringval
);
2360 set_option_value(arg
, n
, s
, opt_flags
);
2364 vim_free(stringval
);
2369 * ":let @r = expr": Set register contents.
2371 else if (*arg
== '@')
2374 if (op
!= NULL
&& (*op
== '+' || *op
== '-'))
2375 EMSG2(_(e_letwrong
), op
);
2376 else if (endchars
!= NULL
2377 && vim_strchr(endchars
, *skipwhite(arg
+ 1)) == NULL
)
2378 EMSG(_(e_letunexp
));
2381 char_u
*ptofree
= NULL
;
2384 p
= get_tv_string_chk(tv
);
2385 if (p
!= NULL
&& op
!= NULL
&& *op
== '.')
2387 s
= get_reg_contents(*arg
== '@' ? '"' : *arg
, TRUE
, TRUE
);
2390 p
= ptofree
= concat_str(s
, p
);
2396 write_reg_contents(*arg
== '@' ? '"' : *arg
, p
, -1, FALSE
);
2404 * ":let var = expr": Set internal variable.
2405 * ":let {expr} = expr": Idem, name made with curly braces
2407 else if (eval_isnamec1(*arg
) || *arg
== '{')
2411 p
= get_lval(arg
, tv
, &lv
, FALSE
, FALSE
, FALSE
, FNE_CHECK_START
);
2412 if (p
!= NULL
&& lv
.ll_name
!= NULL
)
2414 if (endchars
!= NULL
&& vim_strchr(endchars
, *skipwhite(p
)) == NULL
)
2415 EMSG(_(e_letunexp
));
2418 set_var_lval(&lv
, p
, tv
, copy
, op
);
2426 EMSG2(_(e_invarg2
), arg
);
2432 * If "arg" is equal to "b:changedtick" give an error and return TRUE.
2435 check_changedtick(arg
)
2438 if (STRNCMP(arg
, "b:changedtick", 13) == 0 && !eval_isnamec(arg
[13]))
2440 EMSG2(_(e_readonlyvar
), arg
);
2447 * Get an lval: variable, Dict item or List item that can be assigned a value
2448 * to: "name", "na{me}", "name[expr]", "name[expr:expr]", "name[expr][expr]",
2449 * "name.key", "name.key[expr]" etc.
2450 * Indexing only works if "name" is an existing List or Dictionary.
2451 * "name" points to the start of the name.
2452 * If "rettv" is not NULL it points to the value to be assigned.
2453 * "unlet" is TRUE for ":unlet": slightly different behavior when something is
2454 * wrong; must end in space or cmd separator.
2456 * Returns a pointer to just after the name, including indexes.
2457 * When an evaluation error occurs "lp->ll_name" is NULL;
2458 * Returns NULL for a parsing error. Still need to free items in "lp"!
2461 get_lval(name
, rettv
, lp
, unlet
, skip
, quiet
, fne_flags
)
2467 int quiet
; /* don't give error messages */
2468 int fne_flags
; /* flags for find_name_end() */
2471 char_u
*expr_start
, *expr_end
;
2482 /* Clear everything in "lp". */
2483 vim_memset(lp
, 0, sizeof(lval_T
));
2487 /* When skipping just find the end of the name. */
2489 return find_name_end(name
, NULL
, NULL
, FNE_INCL_BR
| fne_flags
);
2492 /* Find the end of the name. */
2493 p
= find_name_end(name
, &expr_start
, &expr_end
, fne_flags
);
2494 if (expr_start
!= NULL
)
2496 /* Don't expand the name when we already know there is an error. */
2497 if (unlet
&& !vim_iswhite(*p
) && !ends_excmd(*p
)
2498 && *p
!= '[' && *p
!= '.')
2500 EMSG(_(e_trailing
));
2504 lp
->ll_exp_name
= make_expanded_name(name
, expr_start
, expr_end
, p
);
2505 if (lp
->ll_exp_name
== NULL
)
2507 /* Report an invalid expression in braces, unless the
2508 * expression evaluation has been cancelled due to an
2509 * aborting error, an interrupt, or an exception. */
2510 if (!aborting() && !quiet
)
2513 EMSG2(_(e_invarg2
), name
);
2517 lp
->ll_name
= lp
->ll_exp_name
;
2522 /* Without [idx] or .key we are done. */
2523 if ((*p
!= '[' && *p
!= '.') || lp
->ll_name
== NULL
)
2528 v
= find_var(lp
->ll_name
, &ht
);
2529 if (v
== NULL
&& !quiet
)
2530 EMSG2(_(e_undefvar
), lp
->ll_name
);
2536 * Loop until no more [idx] or .key is following.
2538 lp
->ll_tv
= &v
->di_tv
;
2539 while (*p
== '[' || (*p
== '.' && lp
->ll_tv
->v_type
== VAR_DICT
))
2541 if (!(lp
->ll_tv
->v_type
== VAR_LIST
&& lp
->ll_tv
->vval
.v_list
!= NULL
)
2542 && !(lp
->ll_tv
->v_type
== VAR_DICT
2543 && lp
->ll_tv
->vval
.v_dict
!= NULL
))
2546 EMSG(_("E689: Can only index a List or Dictionary"));
2552 EMSG(_("E708: [:] must come last"));
2560 for (len
= 0; ASCII_ISALNUM(key
[len
]) || key
[len
] == '_'; ++len
)
2565 EMSG(_(e_emptykey
));
2572 /* Get the index [expr] or the first index [expr: ]. */
2573 p
= skipwhite(p
+ 1);
2579 if (eval1(&p
, &var1
, TRUE
) == FAIL
) /* recursive! */
2581 if (get_tv_string_chk(&var1
) == NULL
)
2583 /* not a number or string */
2589 /* Optionally get the second index [ :expr]. */
2592 if (lp
->ll_tv
->v_type
== VAR_DICT
)
2595 EMSG(_(e_dictrange
));
2600 if (rettv
!= NULL
&& (rettv
->v_type
!= VAR_LIST
2601 || rettv
->vval
.v_list
== NULL
))
2604 EMSG(_("E709: [:] requires a List value"));
2609 p
= skipwhite(p
+ 1);
2611 lp
->ll_empty2
= TRUE
;
2614 lp
->ll_empty2
= FALSE
;
2615 if (eval1(&p
, &var2
, TRUE
) == FAIL
) /* recursive! */
2621 if (get_tv_string_chk(&var2
) == NULL
)
2623 /* not a number or string */
2630 lp
->ll_range
= TRUE
;
2633 lp
->ll_range
= FALSE
;
2638 EMSG(_(e_missbrac
));
2641 if (lp
->ll_range
&& !lp
->ll_empty2
)
2646 /* Skip to past ']'. */
2650 if (lp
->ll_tv
->v_type
== VAR_DICT
)
2654 /* "[key]": get key from "var1" */
2655 key
= get_tv_string(&var1
); /* is number or string */
2659 EMSG(_(e_emptykey
));
2665 lp
->ll_dict
= lp
->ll_tv
->vval
.v_dict
;
2666 lp
->ll_di
= dict_find(lp
->ll_dict
, key
, len
);
2667 if (lp
->ll_di
== NULL
)
2669 /* Key does not exist in dict: may need to add it. */
2670 if (*p
== '[' || *p
== '.' || unlet
)
2673 EMSG2(_(e_dictkey
), key
);
2679 lp
->ll_newkey
= vim_strsave(key
);
2681 lp
->ll_newkey
= vim_strnsave(key
, len
);
2684 if (lp
->ll_newkey
== NULL
)
2690 lp
->ll_tv
= &lp
->ll_di
->di_tv
;
2695 * Get the number and item for the only or first index of the List.
2701 lp
->ll_n1
= get_tv_number(&var1
); /* is number or string */
2705 lp
->ll_list
= lp
->ll_tv
->vval
.v_list
;
2706 lp
->ll_li
= list_find(lp
->ll_list
, lp
->ll_n1
);
2707 if (lp
->ll_li
== NULL
)
2712 lp
->ll_li
= list_find(lp
->ll_list
, lp
->ll_n1
);
2715 if (lp
->ll_li
== NULL
)
2717 if (lp
->ll_range
&& !lp
->ll_empty2
)
2723 * May need to find the item or absolute index for the second
2725 * When no index given: "lp->ll_empty2" is TRUE.
2726 * Otherwise "lp->ll_n2" is set to the second index.
2728 if (lp
->ll_range
&& !lp
->ll_empty2
)
2730 lp
->ll_n2
= get_tv_number(&var2
); /* is number or string */
2734 ni
= list_find(lp
->ll_list
, lp
->ll_n2
);
2737 lp
->ll_n2
= list_idx_of_item(lp
->ll_list
, ni
);
2740 /* Check that lp->ll_n2 isn't before lp->ll_n1. */
2742 lp
->ll_n1
= list_idx_of_item(lp
->ll_list
, lp
->ll_li
);
2743 if (lp
->ll_n2
< lp
->ll_n1
)
2747 lp
->ll_tv
= &lp
->ll_li
->li_tv
;
2755 * Clear lval "lp" that was filled by get_lval().
2761 vim_free(lp
->ll_exp_name
);
2762 vim_free(lp
->ll_newkey
);
2766 * Set a variable that was parsed by get_lval() to "rettv".
2767 * "endp" points to just after the parsed name.
2768 * "op" is NULL, "+" for "+=", "-" for "-=", "." for ".=" or "=" for "=".
2771 set_var_lval(lp
, endp
, rettv
, copy
, op
)
2782 if (lp
->ll_tv
== NULL
)
2784 if (!check_changedtick(lp
->ll_name
))
2788 if (op
!= NULL
&& *op
!= '=')
2792 /* handle +=, -= and .= */
2793 if (get_var_tv(lp
->ll_name
, (int)STRLEN(lp
->ll_name
),
2796 if (tv_op(&tv
, rettv
, op
) == OK
)
2797 set_var(lp
->ll_name
, &tv
, FALSE
);
2802 set_var(lp
->ll_name
, rettv
, copy
);
2806 else if (tv_check_lock(lp
->ll_newkey
== NULL
2808 : lp
->ll_tv
->vval
.v_dict
->dv_lock
, lp
->ll_name
))
2810 else if (lp
->ll_range
)
2813 * Assign the List values to the list items.
2815 for (ri
= rettv
->vval
.v_list
->lv_first
; ri
!= NULL
; )
2817 if (op
!= NULL
&& *op
!= '=')
2818 tv_op(&lp
->ll_li
->li_tv
, &ri
->li_tv
, op
);
2821 clear_tv(&lp
->ll_li
->li_tv
);
2822 copy_tv(&ri
->li_tv
, &lp
->ll_li
->li_tv
);
2825 if (ri
== NULL
|| (!lp
->ll_empty2
&& lp
->ll_n2
== lp
->ll_n1
))
2827 if (lp
->ll_li
->li_next
== NULL
)
2829 /* Need to add an empty item. */
2830 if (list_append_number(lp
->ll_list
, 0) == FAIL
)
2836 lp
->ll_li
= lp
->ll_li
->li_next
;
2840 EMSG(_("E710: List value has more items than target"));
2841 else if (lp
->ll_empty2
2842 ? (lp
->ll_li
!= NULL
&& lp
->ll_li
->li_next
!= NULL
)
2843 : lp
->ll_n1
!= lp
->ll_n2
)
2844 EMSG(_("E711: List value has not enough items"));
2849 * Assign to a List or Dictionary item.
2851 if (lp
->ll_newkey
!= NULL
)
2853 if (op
!= NULL
&& *op
!= '=')
2855 EMSG2(_(e_letwrong
), op
);
2859 /* Need to add an item to the Dictionary. */
2860 di
= dictitem_alloc(lp
->ll_newkey
);
2863 if (dict_add(lp
->ll_tv
->vval
.v_dict
, di
) == FAIL
)
2868 lp
->ll_tv
= &di
->di_tv
;
2870 else if (op
!= NULL
&& *op
!= '=')
2872 tv_op(lp
->ll_tv
, rettv
, op
);
2876 clear_tv(lp
->ll_tv
);
2879 * Assign the value to the variable or list item.
2882 copy_tv(rettv
, lp
->ll_tv
);
2885 *lp
->ll_tv
= *rettv
;
2886 lp
->ll_tv
->v_lock
= 0;
2893 * Handle "tv1 += tv2", "tv1 -= tv2" and "tv1 .= tv2"
2894 * Returns OK or FAIL.
2903 char_u numbuf
[NUMBUFLEN
];
2906 /* Can't do anything with a Funcref or a Dict on the right. */
2907 if (tv2
->v_type
!= VAR_FUNC
&& tv2
->v_type
!= VAR_DICT
)
2909 switch (tv1
->v_type
)
2916 if (*op
!= '+' || tv2
->v_type
!= VAR_LIST
)
2919 if (tv1
->vval
.v_list
!= NULL
&& tv2
->vval
.v_list
!= NULL
)
2920 list_extend(tv1
->vval
.v_list
, tv2
->vval
.v_list
, NULL
);
2925 if (tv2
->v_type
== VAR_LIST
)
2927 if (*op
== '+' || *op
== '-')
2929 /* nr += nr or nr -= nr*/
2930 n
= get_tv_number(tv1
);
2932 if (tv2
->v_type
== VAR_FLOAT
)
2937 f
+= tv2
->vval
.v_float
;
2939 f
-= tv2
->vval
.v_float
;
2941 tv1
->v_type
= VAR_FLOAT
;
2942 tv1
->vval
.v_float
= f
;
2948 n
+= get_tv_number(tv2
);
2950 n
-= get_tv_number(tv2
);
2952 tv1
->v_type
= VAR_NUMBER
;
2953 tv1
->vval
.v_number
= n
;
2958 if (tv2
->v_type
== VAR_FLOAT
)
2962 s
= get_tv_string(tv1
);
2963 s
= concat_str(s
, get_tv_string_buf(tv2
, numbuf
));
2965 tv1
->v_type
= VAR_STRING
;
2966 tv1
->vval
.v_string
= s
;
2975 if (*op
== '.' || (tv2
->v_type
!= VAR_FLOAT
2976 && tv2
->v_type
!= VAR_NUMBER
2977 && tv2
->v_type
!= VAR_STRING
))
2979 if (tv2
->v_type
== VAR_FLOAT
)
2980 f
= tv2
->vval
.v_float
;
2982 f
= get_tv_number(tv2
);
2984 tv1
->vval
.v_float
+= f
;
2986 tv1
->vval
.v_float
-= f
;
2993 EMSG2(_(e_letwrong
), op
);
2998 * Add a watcher to a list.
3001 list_add_watch(l
, lw
)
3005 lw
->lw_next
= l
->lv_watch
;
3010 * Remove a watcher from a list.
3011 * No warning when it isn't found...
3014 list_rem_watch(l
, lwrem
)
3018 listwatch_T
*lw
, **lwp
;
3021 for (lw
= l
->lv_watch
; lw
!= NULL
; lw
= lw
->lw_next
)
3033 * Just before removing an item from a list: advance watchers to the next
3037 list_fix_watch(l
, item
)
3043 for (lw
= l
->lv_watch
; lw
!= NULL
; lw
= lw
->lw_next
)
3044 if (lw
->lw_item
== item
)
3045 lw
->lw_item
= item
->li_next
;
3049 * Evaluate the expression used in a ":for var in expr" command.
3050 * "arg" points to "var".
3051 * Set "*errp" to TRUE for an error, FALSE otherwise;
3052 * Return a pointer that holds the info. Null when there is an error.
3055 eval_for_line(arg
, errp
, nextcmdp
, skip
)
3066 *errp
= TRUE
; /* default: there is an error */
3068 fi
= (forinfo_T
*)alloc_clear(sizeof(forinfo_T
));
3072 expr
= skip_var_list(arg
, &fi
->fi_varcount
, &fi
->fi_semicolon
);
3076 expr
= skipwhite(expr
);
3077 if (expr
[0] != 'i' || expr
[1] != 'n' || !vim_iswhite(expr
[2]))
3079 EMSG(_("E690: Missing \"in\" after :for"));
3085 if (eval0(skipwhite(expr
+ 2), &tv
, nextcmdp
, !skip
) == OK
)
3091 if (tv
.v_type
!= VAR_LIST
|| l
== NULL
)
3098 /* No need to increment the refcount, it's already set for the
3099 * list being used in "tv". */
3101 list_add_watch(l
, &fi
->fi_lw
);
3102 fi
->fi_lw
.lw_item
= l
->lv_first
;
3113 * Use the first item in a ":for" list. Advance to the next.
3114 * Assign the values to the variable (list). "arg" points to the first one.
3115 * Return TRUE when a valid item was found, FALSE when at end of list or
3119 next_for_item(fi_void
, arg
)
3123 forinfo_T
*fi
= (forinfo_T
*)fi_void
;
3127 item
= fi
->fi_lw
.lw_item
;
3132 fi
->fi_lw
.lw_item
= item
->li_next
;
3133 result
= (ex_let_vars(arg
, &item
->li_tv
, TRUE
,
3134 fi
->fi_semicolon
, fi
->fi_varcount
, NULL
) == OK
);
3140 * Free the structure used to store info used by ":for".
3143 free_for_info(fi_void
)
3146 forinfo_T
*fi
= (forinfo_T
*)fi_void
;
3148 if (fi
!= NULL
&& fi
->fi_list
!= NULL
)
3150 list_rem_watch(fi
->fi_list
, &fi
->fi_lw
);
3151 list_unref(fi
->fi_list
);
3156 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
3159 set_context_for_expression(xp
, arg
, cmdidx
)
3168 if (cmdidx
== CMD_let
)
3170 xp
->xp_context
= EXPAND_USER_VARS
;
3171 if (vim_strpbrk(arg
, (char_u
*)"\"'+-*/%.=!?~|&$([<>,#") == NULL
)
3173 /* ":let var1 var2 ...": find last space. */
3174 for (p
= arg
+ STRLEN(arg
); p
>= arg
; )
3177 mb_ptr_back(arg
, p
);
3178 if (vim_iswhite(*p
))
3185 xp
->xp_context
= cmdidx
== CMD_call
? EXPAND_FUNCTIONS
3186 : EXPAND_EXPRESSION
;
3187 while ((xp
->xp_pattern
= vim_strpbrk(arg
,
3188 (char_u
*)"\"'+-*/%.=!?~|&$([<>,#")) != NULL
)
3190 c
= *xp
->xp_pattern
;
3193 c
= xp
->xp_pattern
[1];
3197 xp
->xp_context
= cmdidx
!= CMD_let
|| got_eq
3198 ? EXPAND_EXPRESSION
: EXPAND_NOTHING
;
3202 xp
->xp_context
= EXPAND_SETTINGS
;
3203 if ((c
== 'l' || c
== 'g') && xp
->xp_pattern
[2] == ':')
3204 xp
->xp_pattern
+= 2;
3210 /* environment variable */
3211 xp
->xp_context
= EXPAND_ENV_VARS
;
3216 xp
->xp_context
= EXPAND_EXPRESSION
;
3219 && xp
->xp_context
== EXPAND_FUNCTIONS
3220 && vim_strchr(xp
->xp_pattern
, '(') == NULL
)
3222 /* Function name can start with "<SNR>" */
3225 else if (cmdidx
!= CMD_let
|| got_eq
)
3227 if (c
== '"') /* string */
3229 while ((c
= *++xp
->xp_pattern
) != NUL
&& c
!= '"')
3230 if (c
== '\\' && xp
->xp_pattern
[1] != NUL
)
3232 xp
->xp_context
= EXPAND_NOTHING
;
3234 else if (c
== '\'') /* literal string */
3236 /* Trick: '' is like stopping and starting a literal string. */
3237 while ((c
= *++xp
->xp_pattern
) != NUL
&& c
!= '\'')
3239 xp
->xp_context
= EXPAND_NOTHING
;
3243 if (xp
->xp_pattern
[1] == '|')
3246 xp
->xp_context
= EXPAND_EXPRESSION
;
3249 xp
->xp_context
= EXPAND_COMMANDS
;
3252 xp
->xp_context
= EXPAND_EXPRESSION
;
3255 /* Doesn't look like something valid, expand as an expression
3257 xp
->xp_context
= EXPAND_EXPRESSION
;
3258 arg
= xp
->xp_pattern
;
3260 while ((c
= *++arg
) != NUL
&& (c
== ' ' || c
== '\t'))
3263 xp
->xp_pattern
= arg
;
3266 #endif /* FEAT_CMDL_COMPL */
3269 * ":1,25call func(arg1, arg2)" function call.
3275 char_u
*arg
= eap
->arg
;
3286 tofree
= trans_function_name(&arg
, eap
->skip
, TFN_INT
, &fudi
);
3287 if (fudi
.fd_newkey
!= NULL
)
3289 /* Still need to give an error message for missing key. */
3290 EMSG2(_(e_dictkey
), fudi
.fd_newkey
);
3291 vim_free(fudi
.fd_newkey
);
3296 /* Increase refcount on dictionary, it could get deleted when evaluating
3298 if (fudi
.fd_dict
!= NULL
)
3299 ++fudi
.fd_dict
->dv_refcount
;
3301 /* If it is the name of a variable of type VAR_FUNC use its contents. */
3302 len
= (int)STRLEN(tofree
);
3303 name
= deref_func_name(tofree
, &len
);
3305 /* Skip white space to allow ":call func ()". Not good, but required for
3306 * backward compatibility. */
3307 startarg
= skipwhite(arg
);
3308 rettv
.v_type
= VAR_UNKNOWN
; /* clear_tv() uses this */
3310 if (*startarg
!= '(')
3312 EMSG2(_("E107: Missing parentheses: %s"), eap
->arg
);
3317 * When skipping, evaluate the function once, to find the end of the
3319 * When the function takes a range, this is discovered after the first
3320 * call, and the loop is broken.
3325 lnum
= eap
->line2
; /* do it once, also with an invalid range */
3329 for ( ; lnum
<= eap
->line2
; ++lnum
)
3331 if (!eap
->skip
&& eap
->addr_count
> 0)
3333 curwin
->w_cursor
.lnum
= lnum
;
3334 curwin
->w_cursor
.col
= 0;
3337 if (get_func_tv(name
, (int)STRLEN(name
), &rettv
, &arg
,
3338 eap
->line1
, eap
->line2
, &doesrange
,
3339 !eap
->skip
, fudi
.fd_dict
) == FAIL
)
3345 /* Handle a function returning a Funcref, Dictionary or List. */
3346 if (handle_subscript(&arg
, &rettv
, !eap
->skip
, TRUE
) == FAIL
)
3353 if (doesrange
|| eap
->skip
)
3356 /* Stop when immediately aborting on error, or when an interrupt
3357 * occurred or an exception was thrown but not caught.
3358 * get_func_tv() returned OK, so that the check for trailing
3359 * characters below is executed. */
3368 /* Check for trailing illegal characters and a following command. */
3369 if (!ends_excmd(*arg
))
3372 EMSG(_(e_trailing
));
3375 eap
->nextcmd
= check_nextcmd(arg
);
3379 dict_unref(fudi
.fd_dict
);
3384 * ":unlet[!] var1 ... " command.
3390 ex_unletlock(eap
, eap
->arg
, 0);
3394 * ":lockvar" and ":unlockvar" commands
3400 char_u
*arg
= eap
->arg
;
3405 else if (vim_isdigit(*arg
))
3407 deep
= getdigits(&arg
);
3408 arg
= skipwhite(arg
);
3411 ex_unletlock(eap
, arg
, deep
);
3415 * ":unlet", ":lockvar" and ":unlockvar" are quite similar.
3418 ex_unletlock(eap
, argstart
, deep
)
3423 char_u
*arg
= argstart
;
3430 /* Parse the name and find the end. */
3431 name_end
= get_lval(arg
, NULL
, &lv
, TRUE
, eap
->skip
|| error
, FALSE
,
3433 if (lv
.ll_name
== NULL
)
3434 error
= TRUE
; /* error but continue parsing */
3435 if (name_end
== NULL
|| (!vim_iswhite(*name_end
)
3436 && !ends_excmd(*name_end
)))
3438 if (name_end
!= NULL
)
3441 EMSG(_(e_trailing
));
3443 if (!(eap
->skip
|| error
))
3448 if (!error
&& !eap
->skip
)
3450 if (eap
->cmdidx
== CMD_unlet
)
3452 if (do_unlet_var(&lv
, name_end
, eap
->forceit
) == FAIL
)
3457 if (do_lock_var(&lv
, name_end
, deep
,
3458 eap
->cmdidx
== CMD_lockvar
) == FAIL
)
3466 arg
= skipwhite(name_end
);
3467 } while (!ends_excmd(*arg
));
3469 eap
->nextcmd
= check_nextcmd(arg
);
3473 do_unlet_var(lp
, name_end
, forceit
)
3481 if (lp
->ll_tv
== NULL
)
3486 /* Normal name or expanded name. */
3487 if (check_changedtick(lp
->ll_name
))
3489 else if (do_unlet(lp
->ll_name
, forceit
) == FAIL
)
3493 else if (tv_check_lock(lp
->ll_tv
->v_lock
, lp
->ll_name
))
3495 else if (lp
->ll_range
)
3499 /* Delete a range of List items. */
3500 while (lp
->ll_li
!= NULL
&& (lp
->ll_empty2
|| lp
->ll_n2
>= lp
->ll_n1
))
3502 li
= lp
->ll_li
->li_next
;
3503 listitem_remove(lp
->ll_list
, lp
->ll_li
);
3510 if (lp
->ll_list
!= NULL
)
3511 /* unlet a List item. */
3512 listitem_remove(lp
->ll_list
, lp
->ll_li
);
3514 /* unlet a Dictionary item. */
3515 dictitem_remove(lp
->ll_dict
, lp
->ll_di
);
3522 * "unlet" a variable. Return OK if it existed, FAIL if not.
3523 * When "forceit" is TRUE don't complain if the variable doesn't exist.
3526 do_unlet(name
, forceit
)
3535 ht
= find_var_ht(name
, &varname
);
3536 if (ht
!= NULL
&& *varname
!= NUL
)
3538 hi
= hash_find(ht
, varname
);
3539 if (!HASHITEM_EMPTY(hi
))
3542 if (var_check_fixed(di
->di_flags
, name
)
3543 || var_check_ro(di
->di_flags
, name
))
3551 EMSG2(_("E108: No such variable: \"%s\""), name
);
3556 * Lock or unlock variable indicated by "lp".
3557 * "deep" is the levels to go (-1 for unlimited);
3558 * "lock" is TRUE for ":lockvar", FALSE for ":unlockvar".
3561 do_lock_var(lp
, name_end
, deep
, lock
)
3571 if (deep
== 0) /* nothing to do */
3574 if (lp
->ll_tv
== NULL
)
3579 /* Normal name or expanded name. */
3580 if (check_changedtick(lp
->ll_name
))
3584 di
= find_var(lp
->ll_name
, NULL
);
3590 di
->di_flags
|= DI_FLAGS_LOCK
;
3592 di
->di_flags
&= ~DI_FLAGS_LOCK
;
3593 item_lock(&di
->di_tv
, deep
, lock
);
3598 else if (lp
->ll_range
)
3600 listitem_T
*li
= lp
->ll_li
;
3602 /* (un)lock a range of List items. */
3603 while (li
!= NULL
&& (lp
->ll_empty2
|| lp
->ll_n2
>= lp
->ll_n1
))
3605 item_lock(&li
->li_tv
, deep
, lock
);
3610 else if (lp
->ll_list
!= NULL
)
3611 /* (un)lock a List item. */
3612 item_lock(&lp
->ll_li
->li_tv
, deep
, lock
);
3614 /* un(lock) a Dictionary item. */
3615 item_lock(&lp
->ll_di
->di_tv
, deep
, lock
);
3621 * Lock or unlock an item. "deep" is nr of levels to go.
3624 item_lock(tv
, deep
, lock
)
3629 static int recurse
= 0;
3636 if (recurse
>= DICT_MAXNEST
)
3638 EMSG(_("E743: variable nested too deep for (un)lock"));
3645 /* lock/unlock the item itself */
3647 tv
->v_lock
|= VAR_LOCKED
;
3649 tv
->v_lock
&= ~VAR_LOCKED
;
3654 if ((l
= tv
->vval
.v_list
) != NULL
)
3657 l
->lv_lock
|= VAR_LOCKED
;
3659 l
->lv_lock
&= ~VAR_LOCKED
;
3660 if (deep
< 0 || deep
> 1)
3661 /* recursive: lock/unlock the items the List contains */
3662 for (li
= l
->lv_first
; li
!= NULL
; li
= li
->li_next
)
3663 item_lock(&li
->li_tv
, deep
- 1, lock
);
3667 if ((d
= tv
->vval
.v_dict
) != NULL
)
3670 d
->dv_lock
|= VAR_LOCKED
;
3672 d
->dv_lock
&= ~VAR_LOCKED
;
3673 if (deep
< 0 || deep
> 1)
3675 /* recursive: lock/unlock the items the List contains */
3676 todo
= (int)d
->dv_hashtab
.ht_used
;
3677 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
3679 if (!HASHITEM_EMPTY(hi
))
3682 item_lock(&HI2DI(hi
)->di_tv
, deep
- 1, lock
);
3692 * Return TRUE if typeval "tv" is locked: Either that value is locked itself
3693 * or it refers to a List or Dictionary that is locked.
3699 return (tv
->v_lock
& VAR_LOCKED
)
3700 || (tv
->v_type
== VAR_LIST
3701 && tv
->vval
.v_list
!= NULL
3702 && (tv
->vval
.v_list
->lv_lock
& VAR_LOCKED
))
3703 || (tv
->v_type
== VAR_DICT
3704 && tv
->vval
.v_dict
!= NULL
3705 && (tv
->vval
.v_dict
->dv_lock
& VAR_LOCKED
));
3708 #if (defined(FEAT_MENU) && defined(FEAT_MULTI_LANG)) || defined(PROTO)
3710 * Delete all "menutrans_" variables.
3713 del_menutrans_vars()
3718 hash_lock(&globvarht
);
3719 todo
= (int)globvarht
.ht_used
;
3720 for (hi
= globvarht
.ht_array
; todo
> 0 && !got_int
; ++hi
)
3722 if (!HASHITEM_EMPTY(hi
))
3725 if (STRNCMP(HI2DI(hi
)->di_key
, "menutrans_", 10) == 0)
3726 delete_var(&globvarht
, hi
);
3729 hash_unlock(&globvarht
);
3733 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
3736 * Local string buffer for the next two functions to store a variable name
3737 * with its prefix. Allocated in cat_prefix_varname(), freed later in
3738 * get_user_var_name().
3741 static char_u
*cat_prefix_varname
__ARGS((int prefix
, char_u
*name
));
3743 static char_u
*varnamebuf
= NULL
;
3744 static int varnamebuflen
= 0;
3747 * Function to concatenate a prefix and a variable name.
3750 cat_prefix_varname(prefix
, name
)
3756 len
= (int)STRLEN(name
) + 3;
3757 if (len
> varnamebuflen
)
3759 vim_free(varnamebuf
);
3760 len
+= 10; /* some additional space */
3761 varnamebuf
= alloc(len
);
3762 if (varnamebuf
== NULL
)
3767 varnamebuflen
= len
;
3769 *varnamebuf
= prefix
;
3770 varnamebuf
[1] = ':';
3771 STRCPY(varnamebuf
+ 2, name
);
3776 * Function given to ExpandGeneric() to obtain the list of user defined
3777 * (global/buffer/window/built-in) variable names.
3780 get_user_var_name(xp
, idx
)
3784 static long_u gdone
;
3785 static long_u bdone
;
3786 static long_u wdone
;
3788 static long_u tdone
;
3791 static hashitem_T
*hi
;
3796 gdone
= bdone
= wdone
= vidx
= 0;
3802 /* Global variables */
3803 if (gdone
< globvarht
.ht_used
)
3806 hi
= globvarht
.ht_array
;
3809 while (HASHITEM_EMPTY(hi
))
3811 if (STRNCMP("g:", xp
->xp_pattern
, 2) == 0)
3812 return cat_prefix_varname('g', hi
->hi_key
);
3817 ht
= &curbuf
->b_vars
.dv_hashtab
;
3818 if (bdone
< ht
->ht_used
)
3824 while (HASHITEM_EMPTY(hi
))
3826 return cat_prefix_varname('b', hi
->hi_key
);
3828 if (bdone
== ht
->ht_used
)
3831 return (char_u
*)"b:changedtick";
3835 ht
= &curwin
->w_vars
.dv_hashtab
;
3836 if (wdone
< ht
->ht_used
)
3842 while (HASHITEM_EMPTY(hi
))
3844 return cat_prefix_varname('w', hi
->hi_key
);
3849 ht
= &curtab
->tp_vars
.dv_hashtab
;
3850 if (tdone
< ht
->ht_used
)
3856 while (HASHITEM_EMPTY(hi
))
3858 return cat_prefix_varname('t', hi
->hi_key
);
3864 return cat_prefix_varname('v', (char_u
*)vimvars
[vidx
++].vv_name
);
3866 vim_free(varnamebuf
);
3872 #endif /* FEAT_CMDL_COMPL */
3875 * types for expressions.
3880 , TYPE_EQUAL
/* == */
3881 , TYPE_NEQUAL
/* != */
3882 , TYPE_GREATER
/* > */
3883 , TYPE_GEQUAL
/* >= */
3884 , TYPE_SMALLER
/* < */
3885 , TYPE_SEQUAL
/* <= */
3886 , TYPE_MATCH
/* =~ */
3887 , TYPE_NOMATCH
/* !~ */
3891 * The "evaluate" argument: When FALSE, the argument is only parsed but not
3892 * executed. The function may return OK, but the rettv will be of type
3893 * VAR_UNKNOWN. The function still returns FAIL for a syntax error.
3897 * Handle zero level expression.
3898 * This calls eval1() and handles error message and nextcmd.
3899 * Put the result in "rettv" when returning OK and "evaluate" is TRUE.
3900 * Note: "rettv.v_lock" is not set.
3901 * Return OK or FAIL.
3904 eval0(arg
, rettv
, nextcmd
, evaluate
)
3914 ret
= eval1(&p
, rettv
, evaluate
);
3915 if (ret
== FAIL
|| !ends_excmd(*p
))
3920 * Report the invalid expression unless the expression evaluation has
3921 * been cancelled due to an aborting error, an interrupt, or an
3925 EMSG2(_(e_invexpr2
), arg
);
3928 if (nextcmd
!= NULL
)
3929 *nextcmd
= check_nextcmd(p
);
3935 * Handle top level expression:
3936 * expr2 ? expr1 : expr1
3938 * "arg" must point to the first non-white of the expression.
3939 * "arg" is advanced to the next non-white after the recognized expression.
3941 * Note: "rettv.v_lock" is not set.
3943 * Return OK or FAIL.
3946 eval1(arg
, rettv
, evaluate
)
3955 * Get the first variable.
3957 if (eval2(arg
, rettv
, evaluate
) == FAIL
)
3960 if ((*arg
)[0] == '?')
3967 if (get_tv_number_chk(rettv
, &error
) != 0)
3975 * Get the second variable.
3977 *arg
= skipwhite(*arg
+ 1);
3978 if (eval1(arg
, rettv
, evaluate
&& result
) == FAIL
) /* recursive! */
3982 * Check for the ":".
3984 if ((*arg
)[0] != ':')
3986 EMSG(_("E109: Missing ':' after '?'"));
3987 if (evaluate
&& result
)
3993 * Get the third variable.
3995 *arg
= skipwhite(*arg
+ 1);
3996 if (eval1(arg
, &var2
, evaluate
&& !result
) == FAIL
) /* recursive! */
3998 if (evaluate
&& result
)
4002 if (evaluate
&& !result
)
4010 * Handle first level expression:
4011 * expr2 || expr2 || expr2 logical OR
4013 * "arg" must point to the first non-white of the expression.
4014 * "arg" is advanced to the next non-white after the recognized expression.
4016 * Return OK or FAIL.
4019 eval2(arg
, rettv
, evaluate
)
4030 * Get the first variable.
4032 if (eval3(arg
, rettv
, evaluate
) == FAIL
)
4036 * Repeat until there is no following "||".
4040 while ((*arg
)[0] == '|' && (*arg
)[1] == '|')
4042 if (evaluate
&& first
)
4044 if (get_tv_number_chk(rettv
, &error
) != 0)
4053 * Get the second variable.
4055 *arg
= skipwhite(*arg
+ 2);
4056 if (eval3(arg
, &var2
, evaluate
&& !result
) == FAIL
)
4060 * Compute the result.
4062 if (evaluate
&& !result
)
4064 if (get_tv_number_chk(&var2
, &error
) != 0)
4072 rettv
->v_type
= VAR_NUMBER
;
4073 rettv
->vval
.v_number
= result
;
4081 * Handle second level expression:
4082 * expr3 && expr3 && expr3 logical AND
4084 * "arg" must point to the first non-white of the expression.
4085 * "arg" is advanced to the next non-white after the recognized expression.
4087 * Return OK or FAIL.
4090 eval3(arg
, rettv
, evaluate
)
4101 * Get the first variable.
4103 if (eval4(arg
, rettv
, evaluate
) == FAIL
)
4107 * Repeat until there is no following "&&".
4111 while ((*arg
)[0] == '&' && (*arg
)[1] == '&')
4113 if (evaluate
&& first
)
4115 if (get_tv_number_chk(rettv
, &error
) == 0)
4124 * Get the second variable.
4126 *arg
= skipwhite(*arg
+ 2);
4127 if (eval4(arg
, &var2
, evaluate
&& result
) == FAIL
)
4131 * Compute the result.
4133 if (evaluate
&& result
)
4135 if (get_tv_number_chk(&var2
, &error
) == 0)
4143 rettv
->v_type
= VAR_NUMBER
;
4144 rettv
->vval
.v_number
= result
;
4152 * Handle third level expression:
4164 * "arg" must point to the first non-white of the expression.
4165 * "arg" is advanced to the next non-white after the recognized expression.
4167 * Return OK or FAIL.
4170 eval4(arg
, rettv
, evaluate
)
4178 exptype_T type
= TYPE_UNKNOWN
;
4179 int type_is
= FALSE
; /* TRUE for "is" and "isnot" */
4183 char_u buf1
[NUMBUFLEN
], buf2
[NUMBUFLEN
];
4184 regmatch_T regmatch
;
4189 * Get the first variable.
4191 if (eval5(arg
, rettv
, evaluate
) == FAIL
)
4197 case '=': if (p
[1] == '=')
4199 else if (p
[1] == '~')
4202 case '!': if (p
[1] == '=')
4204 else if (p
[1] == '~')
4205 type
= TYPE_NOMATCH
;
4207 case '>': if (p
[1] != '=')
4209 type
= TYPE_GREATER
;
4215 case '<': if (p
[1] != '=')
4217 type
= TYPE_SMALLER
;
4223 case 'i': if (p
[1] == 's')
4225 if (p
[2] == 'n' && p
[3] == 'o' && p
[4] == 't')
4227 if (!vim_isIDc(p
[len
]))
4229 type
= len
== 2 ? TYPE_EQUAL
: TYPE_NEQUAL
;
4237 * If there is a comparative operator, use it.
4239 if (type
!= TYPE_UNKNOWN
)
4241 /* extra question mark appended: ignore case */
4247 /* extra '#' appended: match case */
4248 else if (p
[len
] == '#')
4253 /* nothing appended: use 'ignorecase' */
4258 * Get the second variable.
4260 *arg
= skipwhite(p
+ len
);
4261 if (eval5(arg
, &var2
, evaluate
) == FAIL
)
4269 if (type_is
&& rettv
->v_type
!= var2
.v_type
)
4271 /* For "is" a different type always means FALSE, for "notis"
4273 n1
= (type
== TYPE_NEQUAL
);
4275 else if (rettv
->v_type
== VAR_LIST
|| var2
.v_type
== VAR_LIST
)
4279 n1
= (rettv
->v_type
== var2
.v_type
4280 && rettv
->vval
.v_list
== var2
.vval
.v_list
);
4281 if (type
== TYPE_NEQUAL
)
4284 else if (rettv
->v_type
!= var2
.v_type
4285 || (type
!= TYPE_EQUAL
&& type
!= TYPE_NEQUAL
))
4287 if (rettv
->v_type
!= var2
.v_type
)
4288 EMSG(_("E691: Can only compare List with List"));
4290 EMSG(_("E692: Invalid operation for Lists"));
4297 /* Compare two Lists for being equal or unequal. */
4298 n1
= list_equal(rettv
->vval
.v_list
, var2
.vval
.v_list
, ic
);
4299 if (type
== TYPE_NEQUAL
)
4304 else if (rettv
->v_type
== VAR_DICT
|| var2
.v_type
== VAR_DICT
)
4308 n1
= (rettv
->v_type
== var2
.v_type
4309 && rettv
->vval
.v_dict
== var2
.vval
.v_dict
);
4310 if (type
== TYPE_NEQUAL
)
4313 else if (rettv
->v_type
!= var2
.v_type
4314 || (type
!= TYPE_EQUAL
&& type
!= TYPE_NEQUAL
))
4316 if (rettv
->v_type
!= var2
.v_type
)
4317 EMSG(_("E735: Can only compare Dictionary with Dictionary"));
4319 EMSG(_("E736: Invalid operation for Dictionary"));
4326 /* Compare two Dictionaries for being equal or unequal. */
4327 n1
= dict_equal(rettv
->vval
.v_dict
, var2
.vval
.v_dict
, ic
);
4328 if (type
== TYPE_NEQUAL
)
4333 else if (rettv
->v_type
== VAR_FUNC
|| var2
.v_type
== VAR_FUNC
)
4335 if (rettv
->v_type
!= var2
.v_type
4336 || (type
!= TYPE_EQUAL
&& type
!= TYPE_NEQUAL
))
4338 if (rettv
->v_type
!= var2
.v_type
)
4339 EMSG(_("E693: Can only compare Funcref with Funcref"));
4341 EMSG(_("E694: Invalid operation for Funcrefs"));
4348 /* Compare two Funcrefs for being equal or unequal. */
4349 if (rettv
->vval
.v_string
== NULL
4350 || var2
.vval
.v_string
== NULL
)
4353 n1
= STRCMP(rettv
->vval
.v_string
,
4354 var2
.vval
.v_string
) == 0;
4355 if (type
== TYPE_NEQUAL
)
4362 * If one of the two variables is a float, compare as a float.
4363 * When using "=~" or "!~", always compare as string.
4365 else if ((rettv
->v_type
== VAR_FLOAT
|| var2
.v_type
== VAR_FLOAT
)
4366 && type
!= TYPE_MATCH
&& type
!= TYPE_NOMATCH
)
4370 if (rettv
->v_type
== VAR_FLOAT
)
4371 f1
= rettv
->vval
.v_float
;
4373 f1
= get_tv_number(rettv
);
4374 if (var2
.v_type
== VAR_FLOAT
)
4375 f2
= var2
.vval
.v_float
;
4377 f2
= get_tv_number(&var2
);
4381 case TYPE_EQUAL
: n1
= (f1
== f2
); break;
4382 case TYPE_NEQUAL
: n1
= (f1
!= f2
); break;
4383 case TYPE_GREATER
: n1
= (f1
> f2
); break;
4384 case TYPE_GEQUAL
: n1
= (f1
>= f2
); break;
4385 case TYPE_SMALLER
: n1
= (f1
< f2
); break;
4386 case TYPE_SEQUAL
: n1
= (f1
<= f2
); break;
4389 case TYPE_NOMATCH
: break; /* avoid gcc warning */
4395 * If one of the two variables is a number, compare as a number.
4396 * When using "=~" or "!~", always compare as string.
4398 else if ((rettv
->v_type
== VAR_NUMBER
|| var2
.v_type
== VAR_NUMBER
)
4399 && type
!= TYPE_MATCH
&& type
!= TYPE_NOMATCH
)
4401 n1
= get_tv_number(rettv
);
4402 n2
= get_tv_number(&var2
);
4405 case TYPE_EQUAL
: n1
= (n1
== n2
); break;
4406 case TYPE_NEQUAL
: n1
= (n1
!= n2
); break;
4407 case TYPE_GREATER
: n1
= (n1
> n2
); break;
4408 case TYPE_GEQUAL
: n1
= (n1
>= n2
); break;
4409 case TYPE_SMALLER
: n1
= (n1
< n2
); break;
4410 case TYPE_SEQUAL
: n1
= (n1
<= n2
); break;
4413 case TYPE_NOMATCH
: break; /* avoid gcc warning */
4418 s1
= get_tv_string_buf(rettv
, buf1
);
4419 s2
= get_tv_string_buf(&var2
, buf2
);
4420 if (type
!= TYPE_MATCH
&& type
!= TYPE_NOMATCH
)
4421 i
= ic
? MB_STRICMP(s1
, s2
) : STRCMP(s1
, s2
);
4427 case TYPE_EQUAL
: n1
= (i
== 0); break;
4428 case TYPE_NEQUAL
: n1
= (i
!= 0); break;
4429 case TYPE_GREATER
: n1
= (i
> 0); break;
4430 case TYPE_GEQUAL
: n1
= (i
>= 0); break;
4431 case TYPE_SMALLER
: n1
= (i
< 0); break;
4432 case TYPE_SEQUAL
: n1
= (i
<= 0); break;
4436 /* avoid 'l' flag in 'cpoptions' */
4438 p_cpo
= (char_u
*)"";
4439 regmatch
.regprog
= vim_regcomp(s2
,
4440 RE_MAGIC
+ RE_STRING
);
4441 regmatch
.rm_ic
= ic
;
4442 if (regmatch
.regprog
!= NULL
)
4444 n1
= vim_regexec_nl(®match
, s1
, (colnr_T
)0);
4445 vim_free(regmatch
.regprog
);
4446 if (type
== TYPE_NOMATCH
)
4452 case TYPE_UNKNOWN
: break; /* avoid gcc warning */
4457 rettv
->v_type
= VAR_NUMBER
;
4458 rettv
->vval
.v_number
= n1
;
4466 * Handle fourth level expression:
4468 * - number subtraction
4469 * . string concatenation
4471 * "arg" must point to the first non-white of the expression.
4472 * "arg" is advanced to the next non-white after the recognized expression.
4474 * Return OK or FAIL.
4477 eval5(arg
, rettv
, evaluate
)
4487 float_T f1
= 0, f2
= 0;
4490 char_u buf1
[NUMBUFLEN
], buf2
[NUMBUFLEN
];
4494 * Get the first variable.
4496 if (eval6(arg
, rettv
, evaluate
, FALSE
) == FAIL
)
4500 * Repeat computing, until no '+', '-' or '.' is following.
4505 if (op
!= '+' && op
!= '-' && op
!= '.')
4508 if ((op
!= '+' || rettv
->v_type
!= VAR_LIST
)
4510 && (op
== '.' || rettv
->v_type
!= VAR_FLOAT
)
4514 /* For "list + ...", an illegal use of the first operand as
4515 * a number cannot be determined before evaluating the 2nd
4516 * operand: if this is also a list, all is ok.
4517 * For "something . ...", "something - ..." or "non-list + ...",
4518 * we know that the first operand needs to be a string or number
4519 * without evaluating the 2nd operand. So check before to avoid
4520 * side effects after an error. */
4521 if (evaluate
&& get_tv_string_chk(rettv
) == NULL
)
4529 * Get the second variable.
4531 *arg
= skipwhite(*arg
+ 1);
4532 if (eval6(arg
, &var2
, evaluate
, op
== '.') == FAIL
)
4541 * Compute the result.
4545 s1
= get_tv_string_buf(rettv
, buf1
); /* already checked */
4546 s2
= get_tv_string_buf_chk(&var2
, buf2
);
4547 if (s2
== NULL
) /* type error ? */
4553 p
= concat_str(s1
, s2
);
4555 rettv
->v_type
= VAR_STRING
;
4556 rettv
->vval
.v_string
= p
;
4558 else if (op
== '+' && rettv
->v_type
== VAR_LIST
4559 && var2
.v_type
== VAR_LIST
)
4561 /* concatenate Lists */
4562 if (list_concat(rettv
->vval
.v_list
, var2
.vval
.v_list
,
4577 if (rettv
->v_type
== VAR_FLOAT
)
4579 f1
= rettv
->vval
.v_float
;
4585 n1
= get_tv_number_chk(rettv
, &error
);
4588 /* This can only happen for "list + non-list". For
4589 * "non-list + ..." or "something - ...", we returned
4590 * before evaluating the 2nd operand. */
4595 if (var2
.v_type
== VAR_FLOAT
)
4600 if (var2
.v_type
== VAR_FLOAT
)
4602 f2
= var2
.vval
.v_float
;
4608 n2
= get_tv_number_chk(&var2
, &error
);
4616 if (rettv
->v_type
== VAR_FLOAT
)
4623 /* If there is a float on either side the result is a float. */
4624 if (rettv
->v_type
== VAR_FLOAT
|| var2
.v_type
== VAR_FLOAT
)
4630 rettv
->v_type
= VAR_FLOAT
;
4631 rettv
->vval
.v_float
= f1
;
4640 rettv
->v_type
= VAR_NUMBER
;
4641 rettv
->vval
.v_number
= n1
;
4651 * Handle fifth level expression:
4652 * * number multiplication
4656 * "arg" must point to the first non-white of the expression.
4657 * "arg" is advanced to the next non-white after the recognized expression.
4659 * Return OK or FAIL.
4662 eval6(arg
, rettv
, evaluate
, want_string
)
4666 int want_string
; /* after "." operator */
4672 int use_float
= FALSE
;
4678 * Get the first variable.
4680 if (eval7(arg
, rettv
, evaluate
, want_string
) == FAIL
)
4684 * Repeat computing, until no '*', '/' or '%' is following.
4689 if (op
!= '*' && op
!= '/' && op
!= '%')
4695 if (rettv
->v_type
== VAR_FLOAT
)
4697 f1
= rettv
->vval
.v_float
;
4703 n1
= get_tv_number_chk(rettv
, &error
);
4712 * Get the second variable.
4714 *arg
= skipwhite(*arg
+ 1);
4715 if (eval7(arg
, &var2
, evaluate
, FALSE
) == FAIL
)
4721 if (var2
.v_type
== VAR_FLOAT
)
4728 f2
= var2
.vval
.v_float
;
4734 n2
= get_tv_number_chk(&var2
, &error
);
4745 * Compute the result.
4746 * When either side is a float the result is a float.
4755 /* We rely on the floating point library to handle divide
4756 * by zero to result in "inf" and not a crash. */
4761 EMSG(_("E804: Cannot use '%' with Float"));
4764 rettv
->v_type
= VAR_FLOAT
;
4765 rettv
->vval
.v_float
= f1
;
4774 if (n2
== 0) /* give an error message? */
4777 n1
= -0x7fffffffL
- 1L; /* similar to NaN */
4788 if (n2
== 0) /* give an error message? */
4793 rettv
->v_type
= VAR_NUMBER
;
4794 rettv
->vval
.v_number
= n1
;
4803 * Handle sixth level expression:
4804 * number number constant
4805 * "string" string constant
4806 * 'string' literal string constant
4807 * &option-name option value
4808 * @r register contents
4809 * identifier variable value
4810 * function() function call
4811 * $VAR environment variable
4812 * (expression) nested expression
4814 * {key: val, key: val} Dictionary
4817 * ! in front logical NOT
4818 * - in front unary minus
4819 * + in front unary plus (ignored)
4820 * trailing [] subscript in String or List
4821 * trailing .name entry in Dictionary
4823 * "arg" must point to the first non-white of the expression.
4824 * "arg" is advanced to the next non-white after the recognized expression.
4826 * Return OK or FAIL.
4829 eval7(arg
, rettv
, evaluate
, want_string
)
4833 int want_string
; /* after "." operator */
4838 char_u
*start_leader
, *end_leader
;
4843 * Initialise variable so that clear_tv() can't mistake this for a
4844 * string and free a string that isn't there.
4846 rettv
->v_type
= VAR_UNKNOWN
;
4849 * Skip '!' and '-' characters. They are handled later.
4851 start_leader
= *arg
;
4852 while (**arg
== '!' || **arg
== '-' || **arg
== '+')
4853 *arg
= skipwhite(*arg
+ 1);
4873 char_u
*p
= skipdigits(*arg
+ 1);
4874 int get_float
= FALSE
;
4876 /* We accept a float when the format matches
4877 * "[0-9]\+\.[0-9]\+\([eE][+-]\?[0-9]\+\)\?". This is very
4878 * strict to avoid backwards compatibility problems.
4879 * Don't look for a float after the "." operator, so that
4880 * ":let vers = 1.2.3" doesn't fail. */
4881 if (!want_string
&& p
[0] == '.' && vim_isdigit(p
[1]))
4884 p
= skipdigits(p
+ 2);
4885 if (*p
== 'e' || *p
== 'E')
4888 if (*p
== '-' || *p
== '+')
4890 if (!vim_isdigit(*p
))
4893 p
= skipdigits(p
+ 1);
4895 if (ASCII_ISALPHA(*p
) || *p
== '.')
4902 *arg
+= string2float(*arg
, &f
);
4905 rettv
->v_type
= VAR_FLOAT
;
4906 rettv
->vval
.v_float
= f
;
4912 vim_str2nr(*arg
, NULL
, &len
, TRUE
, TRUE
, &n
, NULL
);
4916 rettv
->v_type
= VAR_NUMBER
;
4917 rettv
->vval
.v_number
= n
;
4924 * String constant: "string".
4926 case '"': ret
= get_string_tv(arg
, rettv
, evaluate
);
4930 * Literal string constant: 'str''ing'.
4932 case '\'': ret
= get_lit_string_tv(arg
, rettv
, evaluate
);
4936 * List: [expr, expr]
4938 case '[': ret
= get_list_tv(arg
, rettv
, evaluate
);
4942 * Dictionary: {key: val, key: val}
4944 case '{': ret
= get_dict_tv(arg
, rettv
, evaluate
);
4948 * Option value: &name
4950 case '&': ret
= get_option_tv(arg
, rettv
, evaluate
);
4954 * Environment variable: $VAR.
4956 case '$': ret
= get_env_tv(arg
, rettv
, evaluate
);
4960 * Register contents: @r.
4965 rettv
->v_type
= VAR_STRING
;
4966 rettv
->vval
.v_string
= get_reg_contents(**arg
, TRUE
, TRUE
);
4973 * nested expression: (expression).
4975 case '(': *arg
= skipwhite(*arg
+ 1);
4976 ret
= eval1(arg
, rettv
, evaluate
); /* recursive! */
4981 EMSG(_("E110: Missing ')'"));
4987 default: ret
= NOTDONE
;
4994 * Must be a variable or function name.
4995 * Can also be a curly-braces kind of name: {expr}.
4998 len
= get_name_len(arg
, &alias
, evaluate
, TRUE
);
5006 if (**arg
== '(') /* recursive! */
5008 /* If "s" is the name of a variable of type VAR_FUNC
5009 * use its contents. */
5010 s
= deref_func_name(s
, &len
);
5012 /* Invoke the function. */
5013 ret
= get_func_tv(s
, len
, rettv
, arg
,
5014 curwin
->w_cursor
.lnum
, curwin
->w_cursor
.lnum
,
5015 &len
, evaluate
, NULL
);
5016 /* Stop the expression evaluation when immediately
5017 * aborting on error, or when an interrupt occurred or
5018 * an exception was thrown but not caught. */
5027 ret
= get_var_tv(s
, len
, rettv
, TRUE
);
5036 *arg
= skipwhite(*arg
);
5038 /* Handle following '[', '(' and '.' for expr[expr], expr.name,
5041 ret
= handle_subscript(arg
, rettv
, evaluate
, TRUE
);
5044 * Apply logical NOT and unary '-', from right to left, ignore '+'.
5046 if (ret
== OK
&& evaluate
&& end_leader
> start_leader
)
5053 if (rettv
->v_type
== VAR_FLOAT
)
5054 f
= rettv
->vval
.v_float
;
5057 val
= get_tv_number_chk(rettv
, &error
);
5065 while (end_leader
> start_leader
)
5068 if (*end_leader
== '!')
5071 if (rettv
->v_type
== VAR_FLOAT
)
5077 else if (*end_leader
== '-')
5080 if (rettv
->v_type
== VAR_FLOAT
)
5088 if (rettv
->v_type
== VAR_FLOAT
)
5091 rettv
->vval
.v_float
= f
;
5097 rettv
->v_type
= VAR_NUMBER
;
5098 rettv
->vval
.v_number
= val
;
5107 * Evaluate an "[expr]" or "[expr:expr]" index. Also "dict.key".
5108 * "*arg" points to the '[' or '.'.
5109 * Returns FAIL or OK. "*arg" is advanced to after the ']'.
5112 eval_index(arg
, rettv
, evaluate
, verbose
)
5116 int verbose
; /* give error messages */
5118 int empty1
= FALSE
, empty2
= FALSE
;
5119 typval_T var1
, var2
;
5126 if (rettv
->v_type
== VAR_FUNC
5128 || rettv
->v_type
== VAR_FLOAT
5133 EMSG(_("E695: Cannot index a Funcref"));
5143 for (len
= 0; ASCII_ISALNUM(key
[len
]) || key
[len
] == '_'; ++len
)
5147 *arg
= skipwhite(key
+ len
);
5154 * Get the (first) variable from inside the [].
5156 *arg
= skipwhite(*arg
+ 1);
5159 else if (eval1(arg
, &var1
, evaluate
) == FAIL
) /* recursive! */
5161 else if (evaluate
&& get_tv_string_chk(&var1
) == NULL
)
5163 /* not a number or string */
5169 * Get the second variable from inside the [:].
5174 *arg
= skipwhite(*arg
+ 1);
5177 else if (eval1(arg
, &var2
, evaluate
) == FAIL
) /* recursive! */
5183 else if (evaluate
&& get_tv_string_chk(&var2
) == NULL
)
5185 /* not a number or string */
5193 /* Check for the ']'. */
5197 EMSG(_(e_missbrac
));
5203 *arg
= skipwhite(*arg
+ 1); /* skip the ']' */
5209 if (!empty1
&& rettv
->v_type
!= VAR_DICT
)
5211 n1
= get_tv_number(&var1
);
5220 n2
= get_tv_number(&var2
);
5225 switch (rettv
->v_type
)
5229 s
= get_tv_string(rettv
);
5230 len
= (long)STRLEN(s
);
5233 /* The resulting variable is a substring. If the indexes
5234 * are out of range the result is empty. */
5245 if (n1
>= len
|| n2
< 0 || n1
> n2
)
5248 s
= vim_strnsave(s
+ n1
, (int)(n2
- n1
+ 1));
5252 /* The resulting variable is a string of a single
5253 * character. If the index is too big or negative the
5254 * result is empty. */
5255 if (n1
>= len
|| n1
< 0)
5258 s
= vim_strnsave(s
+ n1
, 1);
5261 rettv
->v_type
= VAR_STRING
;
5262 rettv
->vval
.v_string
= s
;
5266 len
= list_len(rettv
->vval
.v_list
);
5269 if (!empty1
&& (n1
< 0 || n1
>= len
))
5271 /* For a range we allow invalid values and return an empty
5272 * list. A list index out of range is an error. */
5276 EMSGN(_(e_listidx
), n1
);
5290 if (!empty2
&& (n2
< 0 || n2
+ 1 < n1
))
5295 for (item
= list_find(rettv
->vval
.v_list
, n1
);
5298 if (list_append_tv(l
, &item
->li_tv
) == FAIL
)
5303 item
= item
->li_next
;
5306 rettv
->v_type
= VAR_LIST
;
5307 rettv
->vval
.v_list
= l
;
5312 copy_tv(&list_find(rettv
->vval
.v_list
, n1
)->li_tv
, &var1
);
5322 EMSG(_(e_dictrange
));
5332 key
= get_tv_string(&var1
);
5336 EMSG(_(e_emptykey
));
5342 item
= dict_find(rettv
->vval
.v_dict
, key
, (int)len
);
5344 if (item
== NULL
&& verbose
)
5345 EMSG2(_(e_dictkey
), key
);
5351 copy_tv(&item
->di_tv
, &var1
);
5363 * Get an option value.
5364 * "arg" points to the '&' or '+' before the option name.
5365 * "arg" is advanced to character after the option name.
5366 * Return OK or FAIL.
5369 get_option_tv(arg
, rettv
, evaluate
)
5371 typval_T
*rettv
; /* when NULL, only check if option exists */
5379 int working
= (**arg
== '+'); /* has("+option") */
5384 * Isolate the option name and find its value.
5386 option_end
= find_option_end(arg
, &opt_flags
);
5387 if (option_end
== NULL
)
5390 EMSG2(_("E112: Option name missing: %s"), *arg
);
5402 opt_type
= get_option_value(*arg
, &numval
,
5403 rettv
== NULL
? NULL
: &stringval
, opt_flags
);
5405 if (opt_type
== -3) /* invalid name */
5408 EMSG2(_("E113: Unknown option: %s"), *arg
);
5411 else if (rettv
!= NULL
)
5413 if (opt_type
== -2) /* hidden string option */
5415 rettv
->v_type
= VAR_STRING
;
5416 rettv
->vval
.v_string
= NULL
;
5418 else if (opt_type
== -1) /* hidden number option */
5420 rettv
->v_type
= VAR_NUMBER
;
5421 rettv
->vval
.v_number
= 0;
5423 else if (opt_type
== 1) /* number option */
5425 rettv
->v_type
= VAR_NUMBER
;
5426 rettv
->vval
.v_number
= numval
;
5428 else /* string option */
5430 rettv
->v_type
= VAR_STRING
;
5431 rettv
->vval
.v_string
= stringval
;
5434 else if (working
&& (opt_type
== -2 || opt_type
== -1))
5437 *option_end
= c
; /* put back for error messages */
5444 * Allocate a variable for a string constant.
5445 * Return OK or FAIL.
5448 get_string_tv(arg
, rettv
, evaluate
)
5458 * Find the end of the string, skipping backslashed characters.
5460 for (p
= *arg
+ 1; *p
!= NUL
&& *p
!= '"'; mb_ptr_adv(p
))
5462 if (*p
== '\\' && p
[1] != NUL
)
5465 /* A "\<x>" form occupies at least 4 characters, and produces up
5466 * to 6 characters: reserve space for 2 extra */
5474 EMSG2(_("E114: Missing quote: %s"), *arg
);
5478 /* If only parsing, set *arg and return here */
5486 * Copy the string into allocated memory, handling backslashed
5489 name
= alloc((unsigned)(p
- *arg
+ extra
));
5492 rettv
->v_type
= VAR_STRING
;
5493 rettv
->vval
.v_string
= name
;
5495 for (p
= *arg
+ 1; *p
!= NUL
&& *p
!= '"'; )
5501 case 'b': *name
++ = BS
; ++p
; break;
5502 case 'e': *name
++ = ESC
; ++p
; break;
5503 case 'f': *name
++ = FF
; ++p
; break;
5504 case 'n': *name
++ = NL
; ++p
; break;
5505 case 'r': *name
++ = CAR
; ++p
; break;
5506 case 't': *name
++ = TAB
; ++p
; break;
5508 case 'X': /* hex: "\x1", "\x12" */
5510 case 'u': /* Unicode: "\u0023" */
5512 if (vim_isxdigit(p
[1]))
5515 int c
= toupper(*p
);
5522 while (--n
>= 0 && vim_isxdigit(p
[1]))
5525 nr
= (nr
<< 4) + hex2nr(*p
);
5529 /* For "\u" store the number according to
5532 name
+= (*mb_char2bytes
)(nr
, name
);
5539 /* octal: "\1", "\12", "\123" */
5547 case '7': *name
= *p
++ - '0';
5548 if (*p
>= '0' && *p
<= '7')
5550 *name
= (*name
<< 3) + *p
++ - '0';
5551 if (*p
>= '0' && *p
<= '7')
5552 *name
= (*name
<< 3) + *p
++ - '0';
5557 /* Special key, e.g.: "\<C-W>" */
5558 case '<': extra
= trans_special(&p
, name
, TRUE
);
5566 default: MB_COPY_CHAR(p
, name
);
5571 MB_COPY_CHAR(p
, name
);
5581 * Allocate a variable for a 'str''ing' constant.
5582 * Return OK or FAIL.
5585 get_lit_string_tv(arg
, rettv
, evaluate
)
5595 * Find the end of the string, skipping ''.
5597 for (p
= *arg
+ 1; *p
!= NUL
; mb_ptr_adv(p
))
5610 EMSG2(_("E115: Missing quote: %s"), *arg
);
5614 /* If only parsing return after setting "*arg" */
5622 * Copy the string into allocated memory, handling '' to ' reduction.
5624 str
= alloc((unsigned)((p
- *arg
) - reduce
));
5627 rettv
->v_type
= VAR_STRING
;
5628 rettv
->vval
.v_string
= str
;
5630 for (p
= *arg
+ 1; *p
!= NUL
; )
5638 MB_COPY_CHAR(p
, str
);
5647 * Allocate a variable for a List and fill it from "*arg".
5648 * Return OK or FAIL.
5651 get_list_tv(arg
, rettv
, evaluate
)
5667 *arg
= skipwhite(*arg
+ 1);
5668 while (**arg
!= ']' && **arg
!= NUL
)
5670 if (eval1(arg
, &tv
, evaluate
) == FAIL
) /* recursive! */
5674 item
= listitem_alloc();
5678 item
->li_tv
.v_lock
= 0;
5679 list_append(l
, item
);
5689 EMSG2(_("E696: Missing comma in List: %s"), *arg
);
5692 *arg
= skipwhite(*arg
+ 1);
5697 EMSG2(_("E697: Missing end of List ']': %s"), *arg
);
5704 *arg
= skipwhite(*arg
+ 1);
5707 rettv
->v_type
= VAR_LIST
;
5708 rettv
->vval
.v_list
= l
;
5716 * Allocate an empty header for a list.
5717 * Caller should take care of the reference count.
5724 l
= (list_T
*)alloc_clear(sizeof(list_T
));
5727 /* Prepend the list to the list of lists for garbage collection. */
5728 if (first_list
!= NULL
)
5729 first_list
->lv_used_prev
= l
;
5730 l
->lv_used_prev
= NULL
;
5731 l
->lv_used_next
= first_list
;
5738 * Allocate an empty list for a return value.
5739 * Returns OK or FAIL.
5742 rettv_list_alloc(rettv
)
5745 list_T
*l
= list_alloc();
5750 rettv
->vval
.v_list
= l
;
5751 rettv
->v_type
= VAR_LIST
;
5757 * Unreference a list: decrement the reference count and free it when it
5764 if (l
!= NULL
&& --l
->lv_refcount
<= 0)
5769 * Free a list, including all items it points to.
5770 * Ignores the reference count.
5773 list_free(l
, recurse
)
5775 int recurse
; /* Free Lists and Dictionaries recursively. */
5779 /* Remove the list from the list of lists for garbage collection. */
5780 if (l
->lv_used_prev
== NULL
)
5781 first_list
= l
->lv_used_next
;
5783 l
->lv_used_prev
->lv_used_next
= l
->lv_used_next
;
5784 if (l
->lv_used_next
!= NULL
)
5785 l
->lv_used_next
->lv_used_prev
= l
->lv_used_prev
;
5787 for (item
= l
->lv_first
; item
!= NULL
; item
= l
->lv_first
)
5789 /* Remove the item before deleting it. */
5790 l
->lv_first
= item
->li_next
;
5791 if (recurse
|| (item
->li_tv
.v_type
!= VAR_LIST
5792 && item
->li_tv
.v_type
!= VAR_DICT
))
5793 clear_tv(&item
->li_tv
);
5800 * Allocate a list item.
5805 return (listitem_T
*)alloc(sizeof(listitem_T
));
5809 * Free a list item. Also clears the value. Does not notify watchers.
5815 clear_tv(&item
->li_tv
);
5820 * Remove a list item from a List and free it. Also clears the value.
5823 listitem_remove(l
, item
)
5827 list_remove(l
, item
, item
);
5828 listitem_free(item
);
5832 * Get the number of items in a list.
5844 * Return TRUE when two lists have exactly the same values.
5847 list_equal(l1
, l2
, ic
)
5850 int ic
; /* ignore case for strings */
5852 listitem_T
*item1
, *item2
;
5854 if (l1
== NULL
|| l2
== NULL
)
5858 if (list_len(l1
) != list_len(l2
))
5861 for (item1
= l1
->lv_first
, item2
= l2
->lv_first
;
5862 item1
!= NULL
&& item2
!= NULL
;
5863 item1
= item1
->li_next
, item2
= item2
->li_next
)
5864 if (!tv_equal(&item1
->li_tv
, &item2
->li_tv
, ic
))
5866 return item1
== NULL
&& item2
== NULL
;
5869 #if defined(FEAT_PYTHON) || defined(FEAT_MZSCHEME) || defined(PROTO) \
5870 || defined(FEAT_GUI_MACVIM)
5872 * Return the dictitem that an entry in a hashtable points to.
5883 * Return TRUE when two dictionaries have exactly the same key/values.
5886 dict_equal(d1
, d2
, ic
)
5889 int ic
; /* ignore case for strings */
5895 if (d1
== NULL
|| d2
== NULL
)
5899 if (dict_len(d1
) != dict_len(d2
))
5902 todo
= (int)d1
->dv_hashtab
.ht_used
;
5903 for (hi
= d1
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
5905 if (!HASHITEM_EMPTY(hi
))
5907 item2
= dict_find(d2
, hi
->hi_key
, -1);
5910 if (!tv_equal(&HI2DI(hi
)->di_tv
, &item2
->di_tv
, ic
))
5919 * Return TRUE if "tv1" and "tv2" have the same value.
5920 * Compares the items just like "==" would compare them, but strings and
5921 * numbers are different. Floats and numbers are also different.
5924 tv_equal(tv1
, tv2
, ic
)
5927 int ic
; /* ignore case */
5929 char_u buf1
[NUMBUFLEN
], buf2
[NUMBUFLEN
];
5931 static int recursive
= 0; /* cach recursive loops */
5934 if (tv1
->v_type
!= tv2
->v_type
)
5936 /* Catch lists and dicts that have an endless loop by limiting
5937 * recursiveness to 1000. We guess they are equal then. */
5938 if (recursive
>= 1000)
5941 switch (tv1
->v_type
)
5945 r
= list_equal(tv1
->vval
.v_list
, tv2
->vval
.v_list
, ic
);
5951 r
= dict_equal(tv1
->vval
.v_dict
, tv2
->vval
.v_dict
, ic
);
5956 return (tv1
->vval
.v_string
!= NULL
5957 && tv2
->vval
.v_string
!= NULL
5958 && STRCMP(tv1
->vval
.v_string
, tv2
->vval
.v_string
) == 0);
5961 return tv1
->vval
.v_number
== tv2
->vval
.v_number
;
5965 return tv1
->vval
.v_float
== tv2
->vval
.v_float
;
5969 s1
= get_tv_string_buf(tv1
, buf1
);
5970 s2
= get_tv_string_buf(tv2
, buf2
);
5971 return ((ic
? MB_STRICMP(s1
, s2
) : STRCMP(s1
, s2
)) == 0);
5974 EMSG2(_(e_intern2
), "tv_equal()");
5979 * Locate item with index "n" in list "l" and return it.
5980 * A negative index is counted from the end; -1 is the last item.
5981 * Returns NULL when "n" is out of range.
5994 /* Negative index is relative to the end. */
5998 /* Check for index out of range. */
5999 if (n
< 0 || n
>= l
->lv_len
)
6002 /* When there is a cached index may start search from there. */
6003 if (l
->lv_idx_item
!= NULL
)
6005 if (n
< l
->lv_idx
/ 2)
6007 /* closest to the start of the list */
6011 else if (n
> (l
->lv_idx
+ l
->lv_len
) / 2)
6013 /* closest to the end of the list */
6015 idx
= l
->lv_len
- 1;
6019 /* closest to the cached index */
6020 item
= l
->lv_idx_item
;
6026 if (n
< l
->lv_len
/ 2)
6028 /* closest to the start of the list */
6034 /* closest to the end of the list */
6036 idx
= l
->lv_len
- 1;
6042 /* search forward */
6043 item
= item
->li_next
;
6048 /* search backward */
6049 item
= item
->li_prev
;
6053 /* cache the used index */
6055 l
->lv_idx_item
= item
;
6061 * Get list item "l[idx]" as a number.
6064 list_find_nr(l
, idx
, errorp
)
6067 int *errorp
; /* set to TRUE when something wrong */
6071 li
= list_find(l
, idx
);
6078 return get_tv_number_chk(&li
->li_tv
, errorp
);
6082 * Get list item "l[idx - 1]" as a string. Returns NULL for failure.
6085 list_find_str(l
, idx
)
6091 li
= list_find(l
, idx
- 1);
6094 EMSGN(_(e_listidx
), idx
);
6097 return get_tv_string(&li
->li_tv
);
6101 * Locate "item" list "l" and return its index.
6102 * Returns -1 when "item" is not in the list.
6105 list_idx_of_item(l
, item
)
6115 for (li
= l
->lv_first
; li
!= NULL
&& li
!= item
; li
= li
->li_next
)
6123 * Append item "item" to the end of list "l".
6126 list_append(l
, item
)
6130 if (l
->lv_last
== NULL
)
6135 item
->li_prev
= NULL
;
6139 l
->lv_last
->li_next
= item
;
6140 item
->li_prev
= l
->lv_last
;
6144 item
->li_next
= NULL
;
6148 * Append typval_T "tv" to the end of list "l".
6149 * Return FAIL when out of memory.
6152 list_append_tv(l
, tv
)
6156 listitem_T
*li
= listitem_alloc();
6160 copy_tv(tv
, &li
->li_tv
);
6166 * Add a dictionary to a list. Used by getqflist().
6167 * Return FAIL when out of memory.
6170 list_append_dict(list
, dict
)
6174 listitem_T
*li
= listitem_alloc();
6178 li
->li_tv
.v_type
= VAR_DICT
;
6179 li
->li_tv
.v_lock
= 0;
6180 li
->li_tv
.vval
.v_dict
= dict
;
6181 list_append(list
, li
);
6182 ++dict
->dv_refcount
;
6187 * Make a copy of "str" and append it as an item to list "l".
6188 * When "len" >= 0 use "str[len]".
6189 * Returns FAIL when out of memory.
6192 list_append_string(l
, str
, len
)
6197 listitem_T
*li
= listitem_alloc();
6202 li
->li_tv
.v_type
= VAR_STRING
;
6203 li
->li_tv
.v_lock
= 0;
6205 li
->li_tv
.vval
.v_string
= NULL
;
6206 else if ((li
->li_tv
.vval
.v_string
= (len
>= 0 ? vim_strnsave(str
, len
)
6207 : vim_strsave(str
))) == NULL
)
6213 * Append "n" to list "l".
6214 * Returns FAIL when out of memory.
6217 list_append_number(l
, n
)
6223 li
= listitem_alloc();
6226 li
->li_tv
.v_type
= VAR_NUMBER
;
6227 li
->li_tv
.v_lock
= 0;
6228 li
->li_tv
.vval
.v_number
= n
;
6234 * Insert typval_T "tv" in list "l" before "item".
6235 * If "item" is NULL append at the end.
6236 * Return FAIL when out of memory.
6239 list_insert_tv(l
, tv
, item
)
6244 listitem_T
*ni
= listitem_alloc();
6248 copy_tv(tv
, &ni
->li_tv
);
6250 /* Append new item at end of list. */
6254 /* Insert new item before existing item. */
6255 ni
->li_prev
= item
->li_prev
;
6257 if (item
->li_prev
== NULL
)
6264 item
->li_prev
->li_next
= ni
;
6265 l
->lv_idx_item
= NULL
;
6274 * Extend "l1" with "l2".
6275 * If "bef" is NULL append at the end, otherwise insert before this item.
6276 * Returns FAIL when out of memory.
6279 list_extend(l1
, l2
, bef
)
6285 int todo
= l2
->lv_len
;
6287 /* We also quit the loop when we have inserted the original item count of
6288 * the list, avoid a hang when we extend a list with itself. */
6289 for (item
= l2
->lv_first
; item
!= NULL
&& --todo
>= 0; item
= item
->li_next
)
6290 if (list_insert_tv(l1
, &item
->li_tv
, bef
) == FAIL
)
6296 * Concatenate lists "l1" and "l2" into a new list, stored in "tv".
6297 * Return FAIL when out of memory.
6300 list_concat(l1
, l2
, tv
)
6307 if (l1
== NULL
|| l2
== NULL
)
6310 /* make a copy of the first list. */
6311 l
= list_copy(l1
, FALSE
, 0);
6314 tv
->v_type
= VAR_LIST
;
6315 tv
->vval
.v_list
= l
;
6317 /* append all items from the second list */
6318 return list_extend(l
, l2
, NULL
);
6322 * Make a copy of list "orig". Shallow if "deep" is FALSE.
6323 * The refcount of the new list is set to 1.
6324 * See item_copy() for "copyID".
6325 * Returns NULL when out of memory.
6328 list_copy(orig
, deep
, copyID
)
6340 copy
= list_alloc();
6345 /* Do this before adding the items, because one of the items may
6346 * refer back to this list. */
6347 orig
->lv_copyID
= copyID
;
6348 orig
->lv_copylist
= copy
;
6350 for (item
= orig
->lv_first
; item
!= NULL
&& !got_int
;
6351 item
= item
->li_next
)
6353 ni
= listitem_alloc();
6358 if (item_copy(&item
->li_tv
, &ni
->li_tv
, deep
, copyID
) == FAIL
)
6365 copy_tv(&item
->li_tv
, &ni
->li_tv
);
6366 list_append(copy
, ni
);
6368 ++copy
->lv_refcount
;
6380 * Remove items "item" to "item2" from list "l".
6381 * Does not free the listitem or the value!
6384 list_remove(l
, item
, item2
)
6391 /* notify watchers */
6392 for (ip
= item
; ip
!= NULL
; ip
= ip
->li_next
)
6395 list_fix_watch(l
, ip
);
6400 if (item2
->li_next
== NULL
)
6401 l
->lv_last
= item
->li_prev
;
6403 item2
->li_next
->li_prev
= item
->li_prev
;
6404 if (item
->li_prev
== NULL
)
6405 l
->lv_first
= item2
->li_next
;
6407 item
->li_prev
->li_next
= item2
->li_next
;
6408 l
->lv_idx_item
= NULL
;
6412 * Return an allocated string with the string representation of a list.
6416 list2string(tv
, copyID
)
6422 if (tv
->vval
.v_list
== NULL
)
6424 ga_init2(&ga
, (int)sizeof(char), 80);
6425 ga_append(&ga
, '[');
6426 if (list_join(&ga
, tv
->vval
.v_list
, (char_u
*)", ", FALSE
, copyID
) == FAIL
)
6428 vim_free(ga
.ga_data
);
6431 ga_append(&ga
, ']');
6432 ga_append(&ga
, NUL
);
6433 return (char_u
*)ga
.ga_data
;
6437 * Join list "l" into a string in "*gap", using separator "sep".
6438 * When "echo" is TRUE use String as echoed, otherwise as inside a List.
6439 * Return FAIL or OK.
6442 list_join(gap
, l
, sep
, echo
, copyID
)
6451 char_u numbuf
[NUMBUFLEN
];
6455 for (item
= l
->lv_first
; item
!= NULL
&& !got_int
; item
= item
->li_next
)
6460 ga_concat(gap
, sep
);
6463 s
= echo_string(&item
->li_tv
, &tofree
, numbuf
, copyID
);
6465 s
= tv2string(&item
->li_tv
, &tofree
, numbuf
, copyID
);
6476 * Garbage collection for lists and dictionaries.
6478 * We use reference counts to be able to free most items right away when they
6479 * are no longer used. But for composite items it's possible that it becomes
6480 * unused while the reference count is > 0: When there is a recursive
6481 * reference. Example:
6482 * :let l = [1, 2, 3]
6486 * Since this is quite unusual we handle this with garbage collection: every
6487 * once in a while find out which lists and dicts are not referenced from any
6490 * Here is a good reference text about garbage collection (refers to Python
6491 * but it applies to all reference-counting mechanisms):
6492 * http://python.ca/nas/python/gc/
6496 * Do garbage collection for lists and dicts.
6497 * Return TRUE if some memory was freed.
6506 funccall_T
*fc
, **pfc
;
6508 int did_free_funccal
= FALSE
;
6513 /* Only do this once. */
6514 want_garbage_collect
= FALSE
;
6515 may_garbage_collect
= FALSE
;
6516 garbage_collect_at_exit
= FALSE
;
6518 /* We advance by two because we add one for items referenced through
6519 * previous_funccal. */
6520 current_copyID
+= COPYID_INC
;
6521 copyID
= current_copyID
;
6524 * 1. Go through all accessible variables and mark all lists and dicts
6528 /* Don't free variables in the previous_funccal list unless they are only
6529 * referenced through previous_funccal. This must be first, because if
6530 * the item is referenced elsewhere the funccal must not be freed. */
6531 for (fc
= previous_funccal
; fc
!= NULL
; fc
= fc
->caller
)
6533 set_ref_in_ht(&fc
->l_vars
.dv_hashtab
, copyID
+ 1);
6534 set_ref_in_ht(&fc
->l_avars
.dv_hashtab
, copyID
+ 1);
6537 /* script-local variables */
6538 for (i
= 1; i
<= ga_scripts
.ga_len
; ++i
)
6539 set_ref_in_ht(&SCRIPT_VARS(i
), copyID
);
6541 /* buffer-local variables */
6542 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
6543 set_ref_in_ht(&buf
->b_vars
.dv_hashtab
, copyID
);
6545 /* window-local variables */
6546 FOR_ALL_TAB_WINDOWS(tp
, wp
)
6547 set_ref_in_ht(&wp
->w_vars
.dv_hashtab
, copyID
);
6550 /* tabpage-local variables */
6551 for (tp
= first_tabpage
; tp
!= NULL
; tp
= tp
->tp_next
)
6552 set_ref_in_ht(&tp
->tp_vars
.dv_hashtab
, copyID
);
6555 /* global variables */
6556 set_ref_in_ht(&globvarht
, copyID
);
6558 /* function-local variables */
6559 for (fc
= current_funccal
; fc
!= NULL
; fc
= fc
->caller
)
6561 set_ref_in_ht(&fc
->l_vars
.dv_hashtab
, copyID
);
6562 set_ref_in_ht(&fc
->l_avars
.dv_hashtab
, copyID
);
6566 set_ref_in_ht(&vimvarht
, copyID
);
6569 * 2. Free lists and dictionaries that are not referenced.
6571 did_free
= free_unref_items(copyID
);
6574 * 3. Check if any funccal can be freed now.
6576 for (pfc
= &previous_funccal
; *pfc
!= NULL
; )
6578 if (can_free_funccal(*pfc
, copyID
))
6582 free_funccal(fc
, TRUE
);
6584 did_free_funccal
= TRUE
;
6587 pfc
= &(*pfc
)->caller
;
6589 if (did_free_funccal
)
6590 /* When a funccal was freed some more items might be garbage
6591 * collected, so run again. */
6592 (void)garbage_collect();
6598 * Free lists and dictionaries that are no longer referenced.
6601 free_unref_items(copyID
)
6606 int did_free
= FALSE
;
6609 * Go through the list of dicts and free items without the copyID.
6611 for (dd
= first_dict
; dd
!= NULL
; )
6612 if ((dd
->dv_copyID
& COPYID_MASK
) != (copyID
& COPYID_MASK
))
6614 /* Free the Dictionary and ordinary items it contains, but don't
6615 * recurse into Lists and Dictionaries, they will be in the list
6616 * of dicts or list of lists. */
6617 dict_free(dd
, FALSE
);
6620 /* restart, next dict may also have been freed */
6624 dd
= dd
->dv_used_next
;
6627 * Go through the list of lists and free items without the copyID.
6628 * But don't free a list that has a watcher (used in a for loop), these
6629 * are not referenced anywhere.
6631 for (ll
= first_list
; ll
!= NULL
; )
6632 if ((ll
->lv_copyID
& COPYID_MASK
) != (copyID
& COPYID_MASK
)
6633 && ll
->lv_watch
== NULL
)
6635 /* Free the List and ordinary items it contains, but don't recurse
6636 * into Lists and Dictionaries, they will be in the list of dicts
6637 * or list of lists. */
6638 list_free(ll
, FALSE
);
6641 /* restart, next list may also have been freed */
6645 ll
= ll
->lv_used_next
;
6651 * Mark all lists and dicts referenced through hashtab "ht" with "copyID".
6654 set_ref_in_ht(ht
, copyID
)
6661 todo
= (int)ht
->ht_used
;
6662 for (hi
= ht
->ht_array
; todo
> 0; ++hi
)
6663 if (!HASHITEM_EMPTY(hi
))
6666 set_ref_in_item(&HI2DI(hi
)->di_tv
, copyID
);
6671 * Mark all lists and dicts referenced through list "l" with "copyID".
6674 set_ref_in_list(l
, copyID
)
6680 for (li
= l
->lv_first
; li
!= NULL
; li
= li
->li_next
)
6681 set_ref_in_item(&li
->li_tv
, copyID
);
6685 * Mark all lists and dicts referenced through typval "tv" with "copyID".
6688 set_ref_in_item(tv
, copyID
)
6698 dd
= tv
->vval
.v_dict
;
6699 if (dd
!= NULL
&& dd
->dv_copyID
!= copyID
)
6701 /* Didn't see this dict yet. */
6702 dd
->dv_copyID
= copyID
;
6703 set_ref_in_ht(&dd
->dv_hashtab
, copyID
);
6708 ll
= tv
->vval
.v_list
;
6709 if (ll
!= NULL
&& ll
->lv_copyID
!= copyID
)
6711 /* Didn't see this list yet. */
6712 ll
->lv_copyID
= copyID
;
6713 set_ref_in_list(ll
, copyID
);
6721 * Allocate an empty header for a dictionary.
6728 d
= (dict_T
*)alloc(sizeof(dict_T
));
6731 /* Add the list to the list of dicts for garbage collection. */
6732 if (first_dict
!= NULL
)
6733 first_dict
->dv_used_prev
= d
;
6734 d
->dv_used_next
= first_dict
;
6735 d
->dv_used_prev
= NULL
;
6738 hash_init(&d
->dv_hashtab
);
6747 * Unreference a Dictionary: decrement the reference count and free it when it
6754 if (d
!= NULL
&& --d
->dv_refcount
<= 0)
6759 * Free a Dictionary, including all items it contains.
6760 * Ignores the reference count.
6763 dict_free(d
, recurse
)
6765 int recurse
; /* Free Lists and Dictionaries recursively. */
6771 /* Remove the dict from the list of dicts for garbage collection. */
6772 if (d
->dv_used_prev
== NULL
)
6773 first_dict
= d
->dv_used_next
;
6775 d
->dv_used_prev
->dv_used_next
= d
->dv_used_next
;
6776 if (d
->dv_used_next
!= NULL
)
6777 d
->dv_used_next
->dv_used_prev
= d
->dv_used_prev
;
6779 /* Lock the hashtab, we don't want it to resize while freeing items. */
6780 hash_lock(&d
->dv_hashtab
);
6781 todo
= (int)d
->dv_hashtab
.ht_used
;
6782 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
6784 if (!HASHITEM_EMPTY(hi
))
6786 /* Remove the item before deleting it, just in case there is
6787 * something recursive causing trouble. */
6789 hash_remove(&d
->dv_hashtab
, hi
);
6790 if (recurse
|| (di
->di_tv
.v_type
!= VAR_LIST
6791 && di
->di_tv
.v_type
!= VAR_DICT
))
6792 clear_tv(&di
->di_tv
);
6797 hash_clear(&d
->dv_hashtab
);
6802 * Allocate a Dictionary item.
6803 * The "key" is copied to the new item.
6804 * Note that the value of the item "di_tv" still needs to be initialized!
6805 * Returns NULL when out of memory.
6813 di
= (dictitem_T
*)alloc((unsigned)(sizeof(dictitem_T
) + STRLEN(key
)));
6816 STRCPY(di
->di_key
, key
);
6823 * Make a copy of a Dictionary item.
6831 di
= (dictitem_T
*)alloc((unsigned)(sizeof(dictitem_T
)
6832 + STRLEN(org
->di_key
)));
6835 STRCPY(di
->di_key
, org
->di_key
);
6837 copy_tv(&org
->di_tv
, &di
->di_tv
);
6843 * Remove item "item" from Dictionary "dict" and free it.
6846 dictitem_remove(dict
, item
)
6852 hi
= hash_find(&dict
->dv_hashtab
, item
->di_key
);
6853 if (HASHITEM_EMPTY(hi
))
6854 EMSG2(_(e_intern2
), "dictitem_remove()");
6856 hash_remove(&dict
->dv_hashtab
, hi
);
6857 dictitem_free(item
);
6861 * Free a dict item. Also clears the value.
6867 clear_tv(&item
->di_tv
);
6872 * Make a copy of dict "d". Shallow if "deep" is FALSE.
6873 * The refcount of the new dict is set to 1.
6874 * See item_copy() for "copyID".
6875 * Returns NULL when out of memory.
6878 dict_copy(orig
, deep
, copyID
)
6891 copy
= dict_alloc();
6896 orig
->dv_copyID
= copyID
;
6897 orig
->dv_copydict
= copy
;
6899 todo
= (int)orig
->dv_hashtab
.ht_used
;
6900 for (hi
= orig
->dv_hashtab
.ht_array
; todo
> 0 && !got_int
; ++hi
)
6902 if (!HASHITEM_EMPTY(hi
))
6906 di
= dictitem_alloc(hi
->hi_key
);
6911 if (item_copy(&HI2DI(hi
)->di_tv
, &di
->di_tv
, deep
,
6919 copy_tv(&HI2DI(hi
)->di_tv
, &di
->di_tv
);
6920 if (dict_add(copy
, di
) == FAIL
)
6928 ++copy
->dv_refcount
;
6940 * Add item "item" to Dictionary "d".
6941 * Returns FAIL when out of memory and when key already existed.
6948 return hash_add(&d
->dv_hashtab
, item
->di_key
);
6952 * Add a number or string entry to dictionary "d".
6953 * When "str" is NULL use number "nr", otherwise use "str".
6954 * Returns FAIL when out of memory and when key already exists.
6957 dict_add_nr_str(d
, key
, nr
, str
)
6965 item
= dictitem_alloc((char_u
*)key
);
6968 item
->di_tv
.v_lock
= 0;
6971 item
->di_tv
.v_type
= VAR_NUMBER
;
6972 item
->di_tv
.vval
.v_number
= nr
;
6976 item
->di_tv
.v_type
= VAR_STRING
;
6977 item
->di_tv
.vval
.v_string
= vim_strsave(str
);
6979 if (dict_add(d
, item
) == FAIL
)
6981 dictitem_free(item
);
6988 * Get the number of items in a Dictionary.
6996 return (long)d
->dv_hashtab
.ht_used
;
7000 * Find item "key[len]" in Dictionary "d".
7001 * If "len" is negative use strlen(key).
7002 * Returns NULL when not found.
7005 dict_find(d
, key
, len
)
7011 char_u buf
[AKEYLEN
];
7013 char_u
*tofree
= NULL
;
7018 else if (len
>= AKEYLEN
)
7020 tofree
= akey
= vim_strnsave(key
, len
);
7026 /* Avoid a malloc/free by using buf[]. */
7027 vim_strncpy(buf
, key
, len
);
7031 hi
= hash_find(&d
->dv_hashtab
, akey
);
7033 if (HASHITEM_EMPTY(hi
))
7039 * Get a string item from a dictionary.
7040 * When "save" is TRUE allocate memory for it.
7041 * Returns NULL if the entry doesn't exist or out of memory.
7044 get_dict_string(d
, key
, save
)
7052 di
= dict_find(d
, key
, -1);
7055 s
= get_tv_string(&di
->di_tv
);
7056 if (save
&& s
!= NULL
)
7062 * Get a number item from a dictionary.
7063 * Returns 0 if the entry doesn't exist or out of memory.
7066 get_dict_number(d
, key
)
7072 di
= dict_find(d
, key
, -1);
7075 return get_tv_number(&di
->di_tv
);
7079 * Return an allocated string with the string representation of a Dictionary.
7083 dict2string(tv
, copyID
)
7090 char_u numbuf
[NUMBUFLEN
];
7096 if ((d
= tv
->vval
.v_dict
) == NULL
)
7098 ga_init2(&ga
, (int)sizeof(char), 80);
7099 ga_append(&ga
, '{');
7101 todo
= (int)d
->dv_hashtab
.ht_used
;
7102 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0 && !got_int
; ++hi
)
7104 if (!HASHITEM_EMPTY(hi
))
7111 ga_concat(&ga
, (char_u
*)", ");
7113 tofree
= string_quote(hi
->hi_key
, FALSE
);
7116 ga_concat(&ga
, tofree
);
7119 ga_concat(&ga
, (char_u
*)": ");
7120 s
= tv2string(&HI2DI(hi
)->di_tv
, &tofree
, numbuf
, copyID
);
7130 vim_free(ga
.ga_data
);
7134 ga_append(&ga
, '}');
7135 ga_append(&ga
, NUL
);
7136 return (char_u
*)ga
.ga_data
;
7140 * Allocate a variable for a Dictionary and fill it from "*arg".
7141 * Return OK or FAIL. Returns NOTDONE for {expr}.
7144 get_dict_tv(arg
, rettv
, evaluate
)
7154 char_u
*start
= skipwhite(*arg
+ 1);
7155 char_u buf
[NUMBUFLEN
];
7158 * First check if it's not a curly-braces thing: {expr}.
7159 * Must do this without evaluating, otherwise a function may be called
7160 * twice. Unfortunately this means we need to call eval1() twice for the
7162 * But {} is an empty Dictionary.
7166 if (eval1(&start
, &tv
, FALSE
) == FAIL
) /* recursive! */
7178 tvkey
.v_type
= VAR_UNKNOWN
;
7179 tv
.v_type
= VAR_UNKNOWN
;
7181 *arg
= skipwhite(*arg
+ 1);
7182 while (**arg
!= '}' && **arg
!= NUL
)
7184 if (eval1(arg
, &tvkey
, evaluate
) == FAIL
) /* recursive! */
7188 EMSG2(_("E720: Missing colon in Dictionary: %s"), *arg
);
7194 key
= get_tv_string_buf_chk(&tvkey
, buf
);
7195 if (key
== NULL
|| *key
== NUL
)
7197 /* "key" is NULL when get_tv_string_buf_chk() gave an errmsg */
7199 EMSG(_(e_emptykey
));
7205 *arg
= skipwhite(*arg
+ 1);
7206 if (eval1(arg
, &tv
, evaluate
) == FAIL
) /* recursive! */
7214 item
= dict_find(d
, key
, -1);
7217 EMSG2(_("E721: Duplicate key in Dictionary: \"%s\""), key
);
7222 item
= dictitem_alloc(key
);
7227 item
->di_tv
.v_lock
= 0;
7228 if (dict_add(d
, item
) == FAIL
)
7229 dictitem_free(item
);
7237 EMSG2(_("E722: Missing comma in Dictionary: %s"), *arg
);
7240 *arg
= skipwhite(*arg
+ 1);
7245 EMSG2(_("E723: Missing end of Dictionary '}': %s"), *arg
);
7252 *arg
= skipwhite(*arg
+ 1);
7255 rettv
->v_type
= VAR_DICT
;
7256 rettv
->vval
.v_dict
= d
;
7264 * Return a string with the string representation of a variable.
7265 * If the memory is allocated "tofree" is set to it, otherwise NULL.
7266 * "numbuf" is used for a number.
7267 * Does not put quotes around strings, as ":echo" displays values.
7268 * When "copyID" is not NULL replace recursive lists and dicts with "...".
7272 echo_string(tv
, tofree
, numbuf
, copyID
)
7278 static int recurse
= 0;
7281 if (recurse
>= DICT_MAXNEST
)
7283 EMSG(_("E724: variable nested too deep for displaying"));
7293 r
= tv
->vval
.v_string
;
7297 if (tv
->vval
.v_list
== NULL
)
7302 else if (copyID
!= 0 && tv
->vval
.v_list
->lv_copyID
== copyID
)
7305 r
= (char_u
*)"[...]";
7309 tv
->vval
.v_list
->lv_copyID
= copyID
;
7310 *tofree
= list2string(tv
, copyID
);
7316 if (tv
->vval
.v_dict
== NULL
)
7321 else if (copyID
!= 0 && tv
->vval
.v_dict
->dv_copyID
== copyID
)
7324 r
= (char_u
*)"{...}";
7328 tv
->vval
.v_dict
->dv_copyID
= copyID
;
7329 *tofree
= dict2string(tv
, copyID
);
7337 r
= get_tv_string_buf(tv
, numbuf
);
7343 vim_snprintf((char *)numbuf
, NUMBUFLEN
, "%g", tv
->vval
.v_float
);
7349 EMSG2(_(e_intern2
), "echo_string()");
7358 * Return a string with the string representation of a variable.
7359 * If the memory is allocated "tofree" is set to it, otherwise NULL.
7360 * "numbuf" is used for a number.
7361 * Puts quotes around strings, so that they can be parsed back by eval().
7365 tv2string(tv
, tofree
, numbuf
, copyID
)
7374 *tofree
= string_quote(tv
->vval
.v_string
, TRUE
);
7377 *tofree
= string_quote(tv
->vval
.v_string
, FALSE
);
7382 vim_snprintf((char *)numbuf
, NUMBUFLEN
- 1, "%g", tv
->vval
.v_float
);
7390 EMSG2(_(e_intern2
), "tv2string()");
7392 return echo_string(tv
, tofree
, numbuf
, copyID
);
7396 * Return string "str" in ' quotes, doubling ' characters.
7397 * If "str" is NULL an empty string is assumed.
7398 * If "function" is TRUE make it function('string').
7401 string_quote(str
, function
)
7408 len
= (function
? 13 : 3);
7411 len
+= (unsigned)STRLEN(str
);
7412 for (p
= str
; *p
!= NUL
; mb_ptr_adv(p
))
7421 STRCPY(r
, "function('");
7427 for (p
= str
; *p
!= NUL
; )
7443 * Convert the string "text" to a floating point number.
7444 * This uses strtod(). setlocale(LC_NUMERIC, "C") has been used to make sure
7445 * this always uses a decimal point.
7446 * Returns the length of the text that was consumed.
7449 string2float(text
, value
)
7451 float_T
*value
; /* result stored here */
7453 char *s
= (char *)text
;
7458 return (int)((char_u
*)s
- text
);
7463 * Get the value of an environment variable.
7464 * "arg" is pointing to the '$'. It is advanced to after the name.
7465 * If the environment variable was not set, silently assume it is empty.
7469 get_env_tv(arg
, rettv
, evaluate
)
7474 char_u
*string
= NULL
;
7478 int mustfree
= FALSE
;
7482 len
= get_env_len(arg
);
7489 /* first try vim_getenv(), fast for normal environment vars */
7490 string
= vim_getenv(name
, &mustfree
);
7491 if (string
!= NULL
&& *string
!= NUL
)
7494 string
= vim_strsave(string
);
7501 /* next try expanding things like $VIM and ${HOME} */
7502 string
= expand_env_save(name
- 1);
7503 if (string
!= NULL
&& *string
== '$')
7511 rettv
->v_type
= VAR_STRING
;
7512 rettv
->vval
.v_string
= string
;
7519 * Array with names and number of arguments of all internal functions
7520 * MUST BE KEPT SORTED IN strcmp() ORDER FOR BINARY SEARCH!
7524 char *f_name
; /* function name */
7525 char f_min_argc
; /* minimal number of arguments */
7526 char f_max_argc
; /* maximal number of arguments */
7527 void (*f_func
) __ARGS((typval_T
*args
, typval_T
*rvar
));
7528 /* implementation of function */
7532 {"abs", 1, 1, f_abs
},
7534 {"add", 2, 2, f_add
},
7535 {"append", 2, 2, f_append
},
7536 {"argc", 0, 0, f_argc
},
7537 {"argidx", 0, 0, f_argidx
},
7538 {"argv", 0, 1, f_argv
},
7540 {"atan", 1, 1, f_atan
},
7542 {"browse", 4, 4, f_browse
},
7543 {"browsedir", 2, 2, f_browsedir
},
7544 {"bufexists", 1, 1, f_bufexists
},
7545 {"buffer_exists", 1, 1, f_bufexists
}, /* obsolete */
7546 {"buffer_name", 1, 1, f_bufname
}, /* obsolete */
7547 {"buffer_number", 1, 1, f_bufnr
}, /* obsolete */
7548 {"buflisted", 1, 1, f_buflisted
},
7549 {"bufloaded", 1, 1, f_bufloaded
},
7550 {"bufname", 1, 1, f_bufname
},
7551 {"bufnr", 1, 2, f_bufnr
},
7552 {"bufwinnr", 1, 1, f_bufwinnr
},
7553 {"byte2line", 1, 1, f_byte2line
},
7554 {"byteidx", 2, 2, f_byteidx
},
7555 {"call", 2, 3, f_call
},
7557 {"ceil", 1, 1, f_ceil
},
7559 {"changenr", 0, 0, f_changenr
},
7560 {"char2nr", 1, 1, f_char2nr
},
7561 {"cindent", 1, 1, f_cindent
},
7562 {"clearmatches", 0, 0, f_clearmatches
},
7563 {"col", 1, 1, f_col
},
7564 #if defined(FEAT_INS_EXPAND)
7565 {"complete", 2, 2, f_complete
},
7566 {"complete_add", 1, 1, f_complete_add
},
7567 {"complete_check", 0, 0, f_complete_check
},
7569 {"confirm", 1, 4, f_confirm
},
7570 {"copy", 1, 1, f_copy
},
7572 {"cos", 1, 1, f_cos
},
7574 {"count", 2, 4, f_count
},
7575 {"cscope_connection",0,3, f_cscope_connection
},
7576 {"cursor", 1, 3, f_cursor
},
7577 {"deepcopy", 1, 2, f_deepcopy
},
7578 {"delete", 1, 1, f_delete
},
7579 {"did_filetype", 0, 0, f_did_filetype
},
7580 {"diff_filler", 1, 1, f_diff_filler
},
7581 {"diff_hlID", 2, 2, f_diff_hlID
},
7582 {"empty", 1, 1, f_empty
},
7583 {"escape", 2, 2, f_escape
},
7584 {"eval", 1, 1, f_eval
},
7585 {"eventhandler", 0, 0, f_eventhandler
},
7586 {"executable", 1, 1, f_executable
},
7587 {"exists", 1, 1, f_exists
},
7588 {"expand", 1, 2, f_expand
},
7589 {"extend", 2, 3, f_extend
},
7590 {"feedkeys", 1, 2, f_feedkeys
},
7591 {"file_readable", 1, 1, f_filereadable
}, /* obsolete */
7592 {"filereadable", 1, 1, f_filereadable
},
7593 {"filewritable", 1, 1, f_filewritable
},
7594 {"filter", 2, 2, f_filter
},
7595 {"finddir", 1, 3, f_finddir
},
7596 {"findfile", 1, 3, f_findfile
},
7598 {"float2nr", 1, 1, f_float2nr
},
7599 {"floor", 1, 1, f_floor
},
7601 {"fnameescape", 1, 1, f_fnameescape
},
7602 {"fnamemodify", 2, 2, f_fnamemodify
},
7603 {"foldclosed", 1, 1, f_foldclosed
},
7604 {"foldclosedend", 1, 1, f_foldclosedend
},
7605 {"foldlevel", 1, 1, f_foldlevel
},
7606 {"foldtext", 0, 0, f_foldtext
},
7607 {"foldtextresult", 1, 1, f_foldtextresult
},
7608 {"foreground", 0, 0, f_foreground
},
7609 {"function", 1, 1, f_function
},
7610 {"garbagecollect", 0, 1, f_garbagecollect
},
7611 {"get", 2, 3, f_get
},
7612 {"getbufline", 2, 3, f_getbufline
},
7613 {"getbufvar", 2, 2, f_getbufvar
},
7614 {"getchar", 0, 1, f_getchar
},
7615 {"getcharmod", 0, 0, f_getcharmod
},
7616 {"getcmdline", 0, 0, f_getcmdline
},
7617 {"getcmdpos", 0, 0, f_getcmdpos
},
7618 {"getcmdtype", 0, 0, f_getcmdtype
},
7619 {"getcwd", 0, 0, f_getcwd
},
7620 {"getfontname", 0, 1, f_getfontname
},
7621 {"getfperm", 1, 1, f_getfperm
},
7622 {"getfsize", 1, 1, f_getfsize
},
7623 {"getftime", 1, 1, f_getftime
},
7624 {"getftype", 1, 1, f_getftype
},
7625 {"getline", 1, 2, f_getline
},
7626 {"getloclist", 1, 1, f_getqflist
},
7627 {"getmatches", 0, 0, f_getmatches
},
7628 {"getpid", 0, 0, f_getpid
},
7629 {"getpos", 1, 1, f_getpos
},
7630 {"getqflist", 0, 0, f_getqflist
},
7631 {"getreg", 0, 2, f_getreg
},
7632 {"getregtype", 0, 1, f_getregtype
},
7633 {"gettabwinvar", 3, 3, f_gettabwinvar
},
7634 {"getwinposx", 0, 0, f_getwinposx
},
7635 {"getwinposy", 0, 0, f_getwinposy
},
7636 {"getwinvar", 2, 2, f_getwinvar
},
7637 {"glob", 1, 2, f_glob
},
7638 {"globpath", 2, 3, f_globpath
},
7639 {"has", 1, 1, f_has
},
7640 {"has_key", 2, 2, f_has_key
},
7641 {"haslocaldir", 0, 0, f_haslocaldir
},
7642 {"hasmapto", 1, 3, f_hasmapto
},
7643 {"highlightID", 1, 1, f_hlID
}, /* obsolete */
7644 {"highlight_exists",1, 1, f_hlexists
}, /* obsolete */
7645 {"histadd", 2, 2, f_histadd
},
7646 {"histdel", 1, 2, f_histdel
},
7647 {"histget", 1, 2, f_histget
},
7648 {"histnr", 1, 1, f_histnr
},
7649 {"hlID", 1, 1, f_hlID
},
7650 {"hlexists", 1, 1, f_hlexists
},
7651 {"hostname", 0, 0, f_hostname
},
7652 {"iconv", 3, 3, f_iconv
},
7653 {"indent", 1, 1, f_indent
},
7654 {"index", 2, 4, f_index
},
7655 {"input", 1, 3, f_input
},
7656 {"inputdialog", 1, 3, f_inputdialog
},
7657 {"inputlist", 1, 1, f_inputlist
},
7658 {"inputrestore", 0, 0, f_inputrestore
},
7659 {"inputsave", 0, 0, f_inputsave
},
7660 {"inputsecret", 1, 2, f_inputsecret
},
7661 {"insert", 2, 3, f_insert
},
7662 {"isdirectory", 1, 1, f_isdirectory
},
7663 {"islocked", 1, 1, f_islocked
},
7664 {"items", 1, 1, f_items
},
7665 {"join", 1, 2, f_join
},
7666 {"keys", 1, 1, f_keys
},
7667 {"last_buffer_nr", 0, 0, f_last_buffer_nr
},/* obsolete */
7668 {"len", 1, 1, f_len
},
7669 {"libcall", 3, 3, f_libcall
},
7670 {"libcallnr", 3, 3, f_libcallnr
},
7671 {"line", 1, 1, f_line
},
7672 {"line2byte", 1, 1, f_line2byte
},
7673 {"lispindent", 1, 1, f_lispindent
},
7674 {"localtime", 0, 0, f_localtime
},
7676 {"log10", 1, 1, f_log10
},
7678 {"map", 2, 2, f_map
},
7679 {"maparg", 1, 3, f_maparg
},
7680 {"mapcheck", 1, 3, f_mapcheck
},
7681 {"match", 2, 4, f_match
},
7682 {"matchadd", 2, 4, f_matchadd
},
7683 {"matcharg", 1, 1, f_matcharg
},
7684 {"matchdelete", 1, 1, f_matchdelete
},
7685 {"matchend", 2, 4, f_matchend
},
7686 {"matchlist", 2, 4, f_matchlist
},
7687 {"matchstr", 2, 4, f_matchstr
},
7688 {"max", 1, 1, f_max
},
7689 {"min", 1, 1, f_min
},
7691 {"mkdir", 1, 3, f_mkdir
},
7693 {"mode", 0, 1, f_mode
},
7694 {"nextnonblank", 1, 1, f_nextnonblank
},
7695 {"nr2char", 1, 1, f_nr2char
},
7696 {"pathshorten", 1, 1, f_pathshorten
},
7698 {"pow", 2, 2, f_pow
},
7700 {"prevnonblank", 1, 1, f_prevnonblank
},
7701 {"printf", 2, 19, f_printf
},
7702 {"pumvisible", 0, 0, f_pumvisible
},
7703 {"range", 1, 3, f_range
},
7704 {"readfile", 1, 3, f_readfile
},
7705 {"reltime", 0, 2, f_reltime
},
7706 {"reltimestr", 1, 1, f_reltimestr
},
7707 {"remote_expr", 2, 3, f_remote_expr
},
7708 {"remote_foreground", 1, 1, f_remote_foreground
},
7709 {"remote_peek", 1, 2, f_remote_peek
},
7710 {"remote_read", 1, 1, f_remote_read
},
7711 {"remote_send", 2, 3, f_remote_send
},
7712 {"remove", 2, 3, f_remove
},
7713 {"rename", 2, 2, f_rename
},
7714 {"repeat", 2, 2, f_repeat
},
7715 {"resolve", 1, 1, f_resolve
},
7716 {"reverse", 1, 1, f_reverse
},
7718 {"round", 1, 1, f_round
},
7720 {"search", 1, 4, f_search
},
7721 {"searchdecl", 1, 3, f_searchdecl
},
7722 {"searchpair", 3, 7, f_searchpair
},
7723 {"searchpairpos", 3, 7, f_searchpairpos
},
7724 {"searchpos", 1, 4, f_searchpos
},
7725 {"server2client", 2, 2, f_server2client
},
7726 {"serverlist", 0, 0, f_serverlist
},
7727 {"setbufvar", 3, 3, f_setbufvar
},
7728 {"setcmdpos", 1, 1, f_setcmdpos
},
7729 {"setline", 2, 2, f_setline
},
7730 {"setloclist", 2, 3, f_setloclist
},
7731 {"setmatches", 1, 1, f_setmatches
},
7732 {"setpos", 2, 2, f_setpos
},
7733 {"setqflist", 1, 2, f_setqflist
},
7734 {"setreg", 2, 3, f_setreg
},
7735 {"settabwinvar", 4, 4, f_settabwinvar
},
7736 {"setwinvar", 3, 3, f_setwinvar
},
7737 {"shellescape", 1, 2, f_shellescape
},
7738 {"simplify", 1, 1, f_simplify
},
7740 {"sin", 1, 1, f_sin
},
7742 {"sort", 1, 2, f_sort
},
7743 {"soundfold", 1, 1, f_soundfold
},
7744 {"spellbadword", 0, 1, f_spellbadword
},
7745 {"spellsuggest", 1, 3, f_spellsuggest
},
7746 {"split", 1, 3, f_split
},
7748 {"sqrt", 1, 1, f_sqrt
},
7749 {"str2float", 1, 1, f_str2float
},
7751 {"str2nr", 1, 2, f_str2nr
},
7752 #ifdef HAVE_STRFTIME
7753 {"strftime", 1, 2, f_strftime
},
7755 {"stridx", 2, 3, f_stridx
},
7756 {"string", 1, 1, f_string
},
7757 {"strlen", 1, 1, f_strlen
},
7758 {"strpart", 2, 3, f_strpart
},
7759 {"strridx", 2, 3, f_strridx
},
7760 {"strtrans", 1, 1, f_strtrans
},
7761 {"submatch", 1, 1, f_submatch
},
7762 {"substitute", 4, 4, f_substitute
},
7763 {"synID", 3, 3, f_synID
},
7764 {"synIDattr", 2, 3, f_synIDattr
},
7765 {"synIDtrans", 1, 1, f_synIDtrans
},
7766 {"synstack", 2, 2, f_synstack
},
7767 {"system", 1, 2, f_system
},
7768 {"tabpagebuflist", 0, 1, f_tabpagebuflist
},
7769 {"tabpagenr", 0, 1, f_tabpagenr
},
7770 {"tabpagewinnr", 1, 2, f_tabpagewinnr
},
7771 {"tagfiles", 0, 0, f_tagfiles
},
7772 {"taglist", 1, 1, f_taglist
},
7773 {"tempname", 0, 0, f_tempname
},
7774 {"test", 1, 1, f_test
},
7775 {"tolower", 1, 1, f_tolower
},
7776 {"toupper", 1, 1, f_toupper
},
7779 {"trunc", 1, 1, f_trunc
},
7781 {"type", 1, 1, f_type
},
7782 {"values", 1, 1, f_values
},
7783 {"virtcol", 1, 1, f_virtcol
},
7784 {"visualmode", 0, 1, f_visualmode
},
7785 {"winbufnr", 1, 1, f_winbufnr
},
7786 {"wincol", 0, 0, f_wincol
},
7787 {"winheight", 1, 1, f_winheight
},
7788 {"winline", 0, 0, f_winline
},
7789 {"winnr", 0, 1, f_winnr
},
7790 {"winrestcmd", 0, 0, f_winrestcmd
},
7791 {"winrestview", 1, 1, f_winrestview
},
7792 {"winsaveview", 0, 0, f_winsaveview
},
7793 {"winwidth", 1, 1, f_winwidth
},
7794 {"writefile", 2, 3, f_writefile
},
7797 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
7800 * Function given to ExpandGeneric() to obtain the list of internal
7801 * or user defined function names.
7804 get_function_name(xp
, idx
)
7808 static int intidx
= -1;
7815 name
= get_user_func_name(xp
, idx
);
7819 if (++intidx
< (int)(sizeof(functions
) / sizeof(struct fst
)))
7821 STRCPY(IObuff
, functions
[intidx
].f_name
);
7822 STRCAT(IObuff
, "(");
7823 if (functions
[intidx
].f_max_argc
== 0)
7824 STRCAT(IObuff
, ")");
7832 * Function given to ExpandGeneric() to obtain the list of internal or
7833 * user defined variable or function names.
7836 get_expr_name(xp
, idx
)
7840 static int intidx
= -1;
7847 name
= get_function_name(xp
, idx
);
7851 return get_user_var_name(xp
, ++intidx
);
7854 #endif /* FEAT_CMDL_COMPL */
7857 * Find internal function in table above.
7858 * Return index, or -1 if not found
7861 find_internal_func(name
)
7862 char_u
*name
; /* name of the function */
7865 int last
= (int)(sizeof(functions
) / sizeof(struct fst
)) - 1;
7870 * Find the function name in the table. Binary search.
7872 while (first
<= last
)
7874 x
= first
+ ((unsigned)(last
- first
) >> 1);
7875 cmp
= STRCMP(name
, functions
[x
].f_name
);
7887 * Check if "name" is a variable of type VAR_FUNC. If so, return the function
7888 * name it contains, otherwise return "name".
7891 deref_func_name(name
, lenp
)
7900 v
= find_var(name
, NULL
);
7902 if (v
!= NULL
&& v
->di_tv
.v_type
== VAR_FUNC
)
7904 if (v
->di_tv
.vval
.v_string
== NULL
)
7907 return (char_u
*)""; /* just in case */
7909 *lenp
= (int)STRLEN(v
->di_tv
.vval
.v_string
);
7910 return v
->di_tv
.vval
.v_string
;
7917 * Allocate a variable for the result of a function.
7918 * Return OK or FAIL.
7921 get_func_tv(name
, len
, rettv
, arg
, firstline
, lastline
, doesrange
,
7923 char_u
*name
; /* name of the function */
7924 int len
; /* length of "name" */
7926 char_u
**arg
; /* argument, pointing to the '(' */
7927 linenr_T firstline
; /* first line of range */
7928 linenr_T lastline
; /* last line of range */
7929 int *doesrange
; /* return: function handled range */
7931 dict_T
*selfdict
; /* Dictionary for "self" */
7935 typval_T argvars
[MAX_FUNC_ARGS
+ 1]; /* vars for arguments */
7936 int argcount
= 0; /* number of arguments found */
7939 * Get the arguments.
7942 while (argcount
< MAX_FUNC_ARGS
)
7944 argp
= skipwhite(argp
+ 1); /* skip the '(' or ',' */
7945 if (*argp
== ')' || *argp
== ',' || *argp
== NUL
)
7947 if (eval1(&argp
, &argvars
[argcount
], evaluate
) == FAIL
)
7962 ret
= call_func(name
, len
, rettv
, argcount
, argvars
,
7963 firstline
, lastline
, doesrange
, evaluate
, selfdict
);
7964 else if (!aborting())
7966 if (argcount
== MAX_FUNC_ARGS
)
7967 emsg_funcname(N_("E740: Too many arguments for function %s"), name
);
7969 emsg_funcname(N_("E116: Invalid arguments for function %s"), name
);
7972 while (--argcount
>= 0)
7973 clear_tv(&argvars
[argcount
]);
7975 *arg
= skipwhite(argp
);
7981 * Call a function with its resolved parameters
7982 * Return OK when the function can't be called, FAIL otherwise.
7983 * Also returns OK when an error was encountered while executing the function.
7986 call_func(name
, len
, rettv
, argcount
, argvars
, firstline
, lastline
,
7987 doesrange
, evaluate
, selfdict
)
7988 char_u
*name
; /* name of the function */
7989 int len
; /* length of "name" */
7990 typval_T
*rettv
; /* return value goes here */
7991 int argcount
; /* number of "argvars" */
7992 typval_T
*argvars
; /* vars for arguments, must have "argcount"
7993 PLUS ONE elements! */
7994 linenr_T firstline
; /* first line of range */
7995 linenr_T lastline
; /* last line of range */
7996 int *doesrange
; /* return: function handled range */
7998 dict_T
*selfdict
; /* Dictionary for "self" */
8001 #define ERROR_UNKNOWN 0
8002 #define ERROR_TOOMANY 1
8003 #define ERROR_TOOFEW 2
8004 #define ERROR_SCRIPT 3
8005 #define ERROR_DICT 4
8006 #define ERROR_NONE 5
8007 #define ERROR_OTHER 6
8008 int error
= ERROR_NONE
;
8013 #define FLEN_FIXED 40
8014 char_u fname_buf
[FLEN_FIXED
+ 1];
8018 * In a script change <SID>name() and s:name() to K_SNR 123_name().
8019 * Change <SNR>123_name() to K_SNR 123_name().
8020 * Use fname_buf[] when it fits, otherwise allocate memory (slow).
8024 llen
= eval_fname_script(name
);
8027 fname_buf
[0] = K_SPECIAL
;
8028 fname_buf
[1] = KS_EXTRA
;
8029 fname_buf
[2] = (int)KE_SNR
;
8031 if (eval_fname_sid(name
)) /* "<SID>" or "s:" */
8033 if (current_SID
<= 0)
8034 error
= ERROR_SCRIPT
;
8037 sprintf((char *)fname_buf
+ 3, "%ld_", (long)current_SID
);
8038 i
= (int)STRLEN(fname_buf
);
8041 if (i
+ STRLEN(name
+ llen
) < FLEN_FIXED
)
8043 STRCPY(fname_buf
+ i
, name
+ llen
);
8048 fname
= alloc((unsigned)(i
+ STRLEN(name
+ llen
) + 1));
8050 error
= ERROR_OTHER
;
8053 mch_memmove(fname
, fname_buf
, (size_t)i
);
8054 STRCPY(fname
+ i
, name
+ llen
);
8064 /* execute the function if no errors detected and executing */
8065 if (evaluate
&& error
== ERROR_NONE
)
8067 rettv
->v_type
= VAR_NUMBER
; /* default rettv is number zero */
8068 rettv
->vval
.v_number
= 0;
8069 error
= ERROR_UNKNOWN
;
8071 if (!builtin_function(fname
))
8074 * User defined function.
8076 fp
= find_func(fname
);
8079 /* Trigger FuncUndefined event, may load the function. */
8081 && apply_autocmds(EVENT_FUNCUNDEFINED
,
8082 fname
, fname
, TRUE
, NULL
)
8085 /* executed an autocommand, search for the function again */
8086 fp
= find_func(fname
);
8089 /* Try loading a package. */
8090 if (fp
== NULL
&& script_autoload(fname
, TRUE
) && !aborting())
8092 /* loaded a package, search for the function again */
8093 fp
= find_func(fname
);
8098 if (fp
->uf_flags
& FC_RANGE
)
8100 if (argcount
< fp
->uf_args
.ga_len
)
8101 error
= ERROR_TOOFEW
;
8102 else if (!fp
->uf_varargs
&& argcount
> fp
->uf_args
.ga_len
)
8103 error
= ERROR_TOOMANY
;
8104 else if ((fp
->uf_flags
& FC_DICT
) && selfdict
== NULL
)
8109 * Call the user function.
8110 * Save and restore search patterns, script variables and
8113 save_search_patterns();
8116 call_user_func(fp
, argcount
, argvars
, rettv
,
8117 firstline
, lastline
,
8118 (fp
->uf_flags
& FC_DICT
) ? selfdict
: NULL
);
8119 if (--fp
->uf_calls
<= 0 && isdigit(*fp
->uf_name
)
8120 && fp
->uf_refcount
<= 0)
8121 /* Function was unreferenced while being used, free it
8125 restore_search_patterns();
8133 * Find the function name in the table, call its implementation.
8135 i
= find_internal_func(fname
);
8138 if (argcount
< functions
[i
].f_min_argc
)
8139 error
= ERROR_TOOFEW
;
8140 else if (argcount
> functions
[i
].f_max_argc
)
8141 error
= ERROR_TOOMANY
;
8144 argvars
[argcount
].v_type
= VAR_UNKNOWN
;
8145 functions
[i
].f_func(argvars
, rettv
);
8151 * The function call (or "FuncUndefined" autocommand sequence) might
8152 * have been aborted by an error, an interrupt, or an explicitly thrown
8153 * exception that has not been caught so far. This situation can be
8154 * tested for by calling aborting(). For an error in an internal
8155 * function or for the "E132" error in call_user_func(), however, the
8156 * throw point at which the "force_abort" flag (temporarily reset by
8157 * emsg()) is normally updated has not been reached yet. We need to
8158 * update that flag first to make aborting() reliable.
8160 update_force_abort();
8162 if (error
== ERROR_NONE
)
8166 * Report an error unless the argument evaluation or function call has been
8167 * cancelled due to an aborting error, an interrupt, or an exception.
8174 emsg_funcname(N_("E117: Unknown function: %s"), name
);
8177 emsg_funcname(e_toomanyarg
, name
);
8180 emsg_funcname(N_("E119: Not enough arguments for function: %s"),
8184 emsg_funcname(N_("E120: Using <SID> not in a script context: %s"),
8188 emsg_funcname(N_("E725: Calling dict function without Dictionary: %s"),
8195 if (fname
!= name
&& fname
!= fname_buf
)
8202 * Give an error message with a function name. Handle <SNR> things.
8203 * "ermsg" is to be passed without translation, use N_() instead of _().
8206 emsg_funcname(ermsg
, name
)
8212 if (*name
== K_SPECIAL
)
8213 p
= concat_str((char_u
*)"<SNR>", name
+ 3);
8222 * Return TRUE for a non-zero Number and a non-empty String.
8225 non_zero_arg(argvars
)
8228 return ((argvars
[0].v_type
== VAR_NUMBER
8229 && argvars
[0].vval
.v_number
!= 0)
8230 || (argvars
[0].v_type
== VAR_STRING
8231 && argvars
[0].vval
.v_string
!= NULL
8232 && *argvars
[0].vval
.v_string
!= NUL
));
8235 /*********************************************
8236 * Implementation of the built-in functions
8241 * "abs(expr)" function
8244 f_abs(argvars
, rettv
)
8248 if (argvars
[0].v_type
== VAR_FLOAT
)
8250 rettv
->v_type
= VAR_FLOAT
;
8251 rettv
->vval
.v_float
= fabs(argvars
[0].vval
.v_float
);
8258 n
= get_tv_number_chk(&argvars
[0], &error
);
8260 rettv
->vval
.v_number
= -1;
8262 rettv
->vval
.v_number
= n
;
8264 rettv
->vval
.v_number
= -n
;
8270 * "add(list, item)" function
8273 f_add(argvars
, rettv
)
8279 rettv
->vval
.v_number
= 1; /* Default: Failed */
8280 if (argvars
[0].v_type
== VAR_LIST
)
8282 if ((l
= argvars
[0].vval
.v_list
) != NULL
8283 && !tv_check_lock(l
->lv_lock
, (char_u
*)"add()")
8284 && list_append_tv(l
, &argvars
[1]) == OK
)
8285 copy_tv(&argvars
[0], rettv
);
8292 * "append(lnum, string/list)" function
8295 f_append(argvars
, rettv
)
8302 listitem_T
*li
= NULL
;
8306 lnum
= get_tv_lnum(argvars
);
8308 && lnum
<= curbuf
->b_ml
.ml_line_count
8309 && u_save(lnum
, lnum
+ 1) == OK
)
8311 if (argvars
[1].v_type
== VAR_LIST
)
8313 l
= argvars
[1].vval
.v_list
;
8321 tv
= &argvars
[1]; /* append a string */
8322 else if (li
== NULL
)
8323 break; /* end of list */
8325 tv
= &li
->li_tv
; /* append item from list */
8326 line
= get_tv_string_chk(tv
);
8327 if (line
== NULL
) /* type error */
8329 rettv
->vval
.v_number
= 1; /* Failed */
8332 ml_append(lnum
+ added
, line
, (colnr_T
)0, FALSE
);
8339 appended_lines_mark(lnum
, added
);
8340 if (curwin
->w_cursor
.lnum
> lnum
)
8341 curwin
->w_cursor
.lnum
+= added
;
8344 rettv
->vval
.v_number
= 1; /* Failed */
8351 f_argc(argvars
, rettv
)
8352 typval_T
*argvars UNUSED
;
8355 rettv
->vval
.v_number
= ARGCOUNT
;
8359 * "argidx()" function
8362 f_argidx(argvars
, rettv
)
8363 typval_T
*argvars UNUSED
;
8366 rettv
->vval
.v_number
= curwin
->w_arg_idx
;
8370 * "argv(nr)" function
8373 f_argv(argvars
, rettv
)
8379 if (argvars
[0].v_type
!= VAR_UNKNOWN
)
8381 idx
= get_tv_number_chk(&argvars
[0], NULL
);
8382 if (idx
>= 0 && idx
< ARGCOUNT
)
8383 rettv
->vval
.v_string
= vim_strsave(alist_name(&ARGLIST
[idx
]));
8385 rettv
->vval
.v_string
= NULL
;
8386 rettv
->v_type
= VAR_STRING
;
8388 else if (rettv_list_alloc(rettv
) == OK
)
8389 for (idx
= 0; idx
< ARGCOUNT
; ++idx
)
8390 list_append_string(rettv
->vval
.v_list
,
8391 alist_name(&ARGLIST
[idx
]), -1);
8395 static int get_float_arg
__ARGS((typval_T
*argvars
, float_T
*f
));
8398 * Get the float value of "argvars[0]" into "f".
8399 * Returns FAIL when the argument is not a Number or Float.
8402 get_float_arg(argvars
, f
)
8406 if (argvars
[0].v_type
== VAR_FLOAT
)
8408 *f
= argvars
[0].vval
.v_float
;
8411 if (argvars
[0].v_type
== VAR_NUMBER
)
8413 *f
= (float_T
)argvars
[0].vval
.v_number
;
8416 EMSG(_("E808: Number or Float required"));
8424 f_atan(argvars
, rettv
)
8430 rettv
->v_type
= VAR_FLOAT
;
8431 if (get_float_arg(argvars
, &f
) == OK
)
8432 rettv
->vval
.v_float
= atan(f
);
8434 rettv
->vval
.v_float
= 0.0;
8439 * "browse(save, title, initdir, default)" function
8442 f_browse(argvars
, rettv
)
8443 typval_T
*argvars UNUSED
;
8451 char_u buf
[NUMBUFLEN
];
8452 char_u buf2
[NUMBUFLEN
];
8455 save
= get_tv_number_chk(&argvars
[0], &error
);
8456 title
= get_tv_string_chk(&argvars
[1]);
8457 initdir
= get_tv_string_buf_chk(&argvars
[2], buf
);
8458 defname
= get_tv_string_buf_chk(&argvars
[3], buf2
);
8460 if (error
|| title
== NULL
|| initdir
== NULL
|| defname
== NULL
)
8461 rettv
->vval
.v_string
= NULL
;
8463 rettv
->vval
.v_string
=
8464 do_browse(save
? BROWSE_SAVE
: 0,
8465 title
, defname
, NULL
, initdir
, NULL
, curbuf
);
8467 rettv
->vval
.v_string
= NULL
;
8469 rettv
->v_type
= VAR_STRING
;
8473 * "browsedir(title, initdir)" function
8476 f_browsedir(argvars
, rettv
)
8477 typval_T
*argvars UNUSED
;
8483 char_u buf
[NUMBUFLEN
];
8485 title
= get_tv_string_chk(&argvars
[0]);
8486 initdir
= get_tv_string_buf_chk(&argvars
[1], buf
);
8488 if (title
== NULL
|| initdir
== NULL
)
8489 rettv
->vval
.v_string
= NULL
;
8491 rettv
->vval
.v_string
= do_browse(BROWSE_DIR
,
8492 title
, NULL
, NULL
, initdir
, NULL
, curbuf
);
8494 rettv
->vval
.v_string
= NULL
;
8496 rettv
->v_type
= VAR_STRING
;
8499 static buf_T
*find_buffer
__ARGS((typval_T
*avar
));
8502 * Find a buffer by number or exact name.
8510 if (avar
->v_type
== VAR_NUMBER
)
8511 buf
= buflist_findnr((int)avar
->vval
.v_number
);
8512 else if (avar
->v_type
== VAR_STRING
&& avar
->vval
.v_string
!= NULL
)
8514 buf
= buflist_findname_exp(avar
->vval
.v_string
);
8517 /* No full path name match, try a match with a URL or a "nofile"
8518 * buffer, these don't use the full path. */
8519 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
8520 if (buf
->b_fname
!= NULL
8521 && (path_with_url(buf
->b_fname
)
8522 #ifdef FEAT_QUICKFIX
8526 && STRCMP(buf
->b_fname
, avar
->vval
.v_string
) == 0)
8534 * "bufexists(expr)" function
8537 f_bufexists(argvars
, rettv
)
8541 rettv
->vval
.v_number
= (find_buffer(&argvars
[0]) != NULL
);
8545 * "buflisted(expr)" function
8548 f_buflisted(argvars
, rettv
)
8554 buf
= find_buffer(&argvars
[0]);
8555 rettv
->vval
.v_number
= (buf
!= NULL
&& buf
->b_p_bl
);
8559 * "bufloaded(expr)" function
8562 f_bufloaded(argvars
, rettv
)
8568 buf
= find_buffer(&argvars
[0]);
8569 rettv
->vval
.v_number
= (buf
!= NULL
&& buf
->b_ml
.ml_mfp
!= NULL
);
8572 static buf_T
*get_buf_tv
__ARGS((typval_T
*tv
));
8575 * Get buffer by number or pattern.
8581 char_u
*name
= tv
->vval
.v_string
;
8586 if (tv
->v_type
== VAR_NUMBER
)
8587 return buflist_findnr((int)tv
->vval
.v_number
);
8588 if (tv
->v_type
!= VAR_STRING
)
8590 if (name
== NULL
|| *name
== NUL
)
8592 if (name
[0] == '$' && name
[1] == NUL
)
8595 /* Ignore 'magic' and 'cpoptions' here to make scripts portable */
8596 save_magic
= p_magic
;
8599 p_cpo
= (char_u
*)"";
8601 buf
= buflist_findnr(buflist_findpat(name
, name
+ STRLEN(name
),
8604 p_magic
= save_magic
;
8607 /* If not found, try expanding the name, like done for bufexists(). */
8609 buf
= find_buffer(tv
);
8615 * "bufname(expr)" function
8618 f_bufname(argvars
, rettv
)
8624 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
8626 buf
= get_buf_tv(&argvars
[0]);
8627 rettv
->v_type
= VAR_STRING
;
8628 if (buf
!= NULL
&& buf
->b_fname
!= NULL
)
8629 rettv
->vval
.v_string
= vim_strsave(buf
->b_fname
);
8631 rettv
->vval
.v_string
= NULL
;
8636 * "bufnr(expr)" function
8639 f_bufnr(argvars
, rettv
)
8647 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
8649 buf
= get_buf_tv(&argvars
[0]);
8652 /* If the buffer isn't found and the second argument is not zero create a
8655 && argvars
[1].v_type
!= VAR_UNKNOWN
8656 && get_tv_number_chk(&argvars
[1], &error
) != 0
8658 && (name
= get_tv_string_chk(&argvars
[0])) != NULL
8660 buf
= buflist_new(name
, NULL
, (linenr_T
)1, 0);
8663 rettv
->vval
.v_number
= buf
->b_fnum
;
8665 rettv
->vval
.v_number
= -1;
8669 * "bufwinnr(nr)" function
8672 f_bufwinnr(argvars
, rettv
)
8682 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
8684 buf
= get_buf_tv(&argvars
[0]);
8686 for (wp
= firstwin
; wp
; wp
= wp
->w_next
)
8689 if (wp
->w_buffer
== buf
)
8692 rettv
->vval
.v_number
= (wp
!= NULL
? winnr
: -1);
8694 rettv
->vval
.v_number
= (curwin
->w_buffer
== buf
? 1 : -1);
8700 * "byte2line(byte)" function
8703 f_byte2line(argvars
, rettv
)
8704 typval_T
*argvars UNUSED
;
8707 #ifndef FEAT_BYTEOFF
8708 rettv
->vval
.v_number
= -1;
8712 boff
= get_tv_number(&argvars
[0]) - 1; /* boff gets -1 on type error */
8714 rettv
->vval
.v_number
= -1;
8716 rettv
->vval
.v_number
= ml_find_line_or_offset(curbuf
,
8717 (linenr_T
)0, &boff
);
8722 * "byteidx()" function
8725 f_byteidx(argvars
, rettv
)
8735 str
= get_tv_string_chk(&argvars
[0]);
8736 idx
= get_tv_number_chk(&argvars
[1], NULL
);
8737 rettv
->vval
.v_number
= -1;
8738 if (str
== NULL
|| idx
< 0)
8743 for ( ; idx
> 0; idx
--)
8745 if (*t
== NUL
) /* EOL reached */
8747 t
+= (*mb_ptr2len
)(t
);
8749 rettv
->vval
.v_number
= (varnumber_T
)(t
- str
);
8751 if ((size_t)idx
<= STRLEN(str
))
8752 rettv
->vval
.v_number
= idx
;
8757 * "call(func, arglist)" function
8760 f_call(argvars
, rettv
)
8765 typval_T argv
[MAX_FUNC_ARGS
+ 1];
8769 dict_T
*selfdict
= NULL
;
8771 if (argvars
[1].v_type
!= VAR_LIST
)
8776 if (argvars
[1].vval
.v_list
== NULL
)
8779 if (argvars
[0].v_type
== VAR_FUNC
)
8780 func
= argvars
[0].vval
.v_string
;
8782 func
= get_tv_string(&argvars
[0]);
8784 return; /* type error or empty name */
8786 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
8788 if (argvars
[2].v_type
!= VAR_DICT
)
8793 selfdict
= argvars
[2].vval
.v_dict
;
8796 for (item
= argvars
[1].vval
.v_list
->lv_first
; item
!= NULL
;
8797 item
= item
->li_next
)
8799 if (argc
== MAX_FUNC_ARGS
)
8801 EMSG(_("E699: Too many arguments"));
8804 /* Make a copy of each argument. This is needed to be able to set
8805 * v_lock to VAR_FIXED in the copy without changing the original list.
8807 copy_tv(&item
->li_tv
, &argv
[argc
++]);
8811 (void)call_func(func
, (int)STRLEN(func
), rettv
, argc
, argv
,
8812 curwin
->w_cursor
.lnum
, curwin
->w_cursor
.lnum
,
8813 &dummy
, TRUE
, selfdict
);
8815 /* Free the arguments. */
8817 clear_tv(&argv
[--argc
]);
8822 * "ceil({float})" function
8825 f_ceil(argvars
, rettv
)
8831 rettv
->v_type
= VAR_FLOAT
;
8832 if (get_float_arg(argvars
, &f
) == OK
)
8833 rettv
->vval
.v_float
= ceil(f
);
8835 rettv
->vval
.v_float
= 0.0;
8840 * "changenr()" function
8843 f_changenr(argvars
, rettv
)
8844 typval_T
*argvars UNUSED
;
8847 rettv
->vval
.v_number
= curbuf
->b_u_seq_cur
;
8851 * "char2nr(string)" function
8854 f_char2nr(argvars
, rettv
)
8860 rettv
->vval
.v_number
= (*mb_ptr2char
)(get_tv_string(&argvars
[0]));
8863 rettv
->vval
.v_number
= get_tv_string(&argvars
[0])[0];
8867 * "cindent(lnum)" function
8870 f_cindent(argvars
, rettv
)
8878 pos
= curwin
->w_cursor
;
8879 lnum
= get_tv_lnum(argvars
);
8880 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
)
8882 curwin
->w_cursor
.lnum
= lnum
;
8883 rettv
->vval
.v_number
= get_c_indent();
8884 curwin
->w_cursor
= pos
;
8888 rettv
->vval
.v_number
= -1;
8892 * "clearmatches()" function
8895 f_clearmatches(argvars
, rettv
)
8896 typval_T
*argvars UNUSED
;
8897 typval_T
*rettv UNUSED
;
8899 #ifdef FEAT_SEARCH_EXTRA
8900 clear_matches(curwin
);
8905 * "col(string)" function
8908 f_col(argvars
, rettv
)
8914 int fnum
= curbuf
->b_fnum
;
8916 fp
= var2fpos(&argvars
[0], FALSE
, &fnum
);
8917 if (fp
!= NULL
&& fnum
== curbuf
->b_fnum
)
8919 if (fp
->col
== MAXCOL
)
8921 /* '> can be MAXCOL, get the length of the line then */
8922 if (fp
->lnum
<= curbuf
->b_ml
.ml_line_count
)
8923 col
= (colnr_T
)STRLEN(ml_get(fp
->lnum
)) + 1;
8930 #ifdef FEAT_VIRTUALEDIT
8931 /* col(".") when the cursor is on the NUL at the end of the line
8932 * because of "coladd" can be seen as an extra column. */
8933 if (virtual_active() && fp
== &curwin
->w_cursor
)
8935 char_u
*p
= ml_get_cursor();
8937 if (curwin
->w_cursor
.coladd
>= (colnr_T
)chartabsize(p
,
8938 curwin
->w_virtcol
- curwin
->w_cursor
.coladd
))
8943 if (*p
!= NUL
&& p
[(l
= (*mb_ptr2len
)(p
))] == NUL
)
8946 if (*p
!= NUL
&& p
[1] == NUL
)
8954 rettv
->vval
.v_number
= col
;
8957 #if defined(FEAT_INS_EXPAND)
8959 * "complete()" function
8962 f_complete(argvars
, rettv
)
8964 typval_T
*rettv UNUSED
;
8968 if ((State
& INSERT
) == 0)
8970 EMSG(_("E785: complete() can only be used in Insert mode"));
8974 /* Check for undo allowed here, because if something was already inserted
8975 * the line was already saved for undo and this check isn't done. */
8976 if (!undo_allowed())
8979 if (argvars
[1].v_type
!= VAR_LIST
|| argvars
[1].vval
.v_list
== NULL
)
8985 startcol
= get_tv_number_chk(&argvars
[0], NULL
);
8989 set_completion(startcol
- 1, argvars
[1].vval
.v_list
);
8993 * "complete_add()" function
8996 f_complete_add(argvars
, rettv
)
9000 rettv
->vval
.v_number
= ins_compl_add_tv(&argvars
[0], 0);
9004 * "complete_check()" function
9007 f_complete_check(argvars
, rettv
)
9008 typval_T
*argvars UNUSED
;
9011 int saved
= RedrawingDisabled
;
9013 RedrawingDisabled
= 0;
9014 ins_compl_check_keys(0);
9015 rettv
->vval
.v_number
= compl_interrupted
;
9016 RedrawingDisabled
= saved
;
9021 * "confirm(message, buttons[, default [, type]])" function
9024 f_confirm(argvars
, rettv
)
9025 typval_T
*argvars UNUSED
;
9026 typval_T
*rettv UNUSED
;
9028 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
9030 char_u
*buttons
= NULL
;
9031 char_u buf
[NUMBUFLEN
];
9032 char_u buf2
[NUMBUFLEN
];
9034 int type
= VIM_GENERIC
;
9038 message
= get_tv_string_chk(&argvars
[0]);
9039 if (message
== NULL
)
9041 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
9043 buttons
= get_tv_string_buf_chk(&argvars
[1], buf
);
9044 if (buttons
== NULL
)
9046 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9048 def
= get_tv_number_chk(&argvars
[2], &error
);
9049 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
9051 typestr
= get_tv_string_buf_chk(&argvars
[3], buf2
);
9052 if (typestr
== NULL
)
9056 switch (TOUPPER_ASC(*typestr
))
9058 case 'E': type
= VIM_ERROR
; break;
9059 case 'Q': type
= VIM_QUESTION
; break;
9060 case 'I': type
= VIM_INFO
; break;
9061 case 'W': type
= VIM_WARNING
; break;
9062 case 'G': type
= VIM_GENERIC
; break;
9069 if (buttons
== NULL
|| *buttons
== NUL
)
9070 buttons
= (char_u
*)_("&Ok");
9073 rettv
->vval
.v_number
= do_dialog(type
, NULL
, message
, buttons
,
9082 f_copy(argvars
, rettv
)
9086 item_copy(&argvars
[0], rettv
, FALSE
, 0);
9094 f_cos(argvars
, rettv
)
9100 rettv
->v_type
= VAR_FLOAT
;
9101 if (get_float_arg(argvars
, &f
) == OK
)
9102 rettv
->vval
.v_float
= cos(f
);
9104 rettv
->vval
.v_float
= 0.0;
9109 * "count()" function
9112 f_count(argvars
, rettv
)
9119 if (argvars
[0].v_type
== VAR_LIST
)
9125 if ((l
= argvars
[0].vval
.v_list
) != NULL
)
9128 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9132 ic
= get_tv_number_chk(&argvars
[2], &error
);
9133 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
9135 idx
= get_tv_number_chk(&argvars
[3], &error
);
9138 li
= list_find(l
, idx
);
9140 EMSGN(_(e_listidx
), idx
);
9147 for ( ; li
!= NULL
; li
= li
->li_next
)
9148 if (tv_equal(&li
->li_tv
, &argvars
[1], ic
))
9152 else if (argvars
[0].v_type
== VAR_DICT
)
9158 if ((d
= argvars
[0].vval
.v_dict
) != NULL
)
9162 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9164 ic
= get_tv_number_chk(&argvars
[2], &error
);
9165 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
9169 todo
= error
? 0 : (int)d
->dv_hashtab
.ht_used
;
9170 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
9172 if (!HASHITEM_EMPTY(hi
))
9175 if (tv_equal(&HI2DI(hi
)->di_tv
, &argvars
[1], ic
))
9182 EMSG2(_(e_listdictarg
), "count()");
9183 rettv
->vval
.v_number
= n
;
9187 * "cscope_connection([{num} , {dbpath} [, {prepend}]])" function
9189 * Checks the existence of a cscope connection.
9192 f_cscope_connection(argvars
, rettv
)
9193 typval_T
*argvars UNUSED
;
9194 typval_T
*rettv UNUSED
;
9198 char_u
*dbpath
= NULL
;
9199 char_u
*prepend
= NULL
;
9200 char_u buf
[NUMBUFLEN
];
9202 if (argvars
[0].v_type
!= VAR_UNKNOWN
9203 && argvars
[1].v_type
!= VAR_UNKNOWN
)
9205 num
= (int)get_tv_number(&argvars
[0]);
9206 dbpath
= get_tv_string(&argvars
[1]);
9207 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9208 prepend
= get_tv_string_buf(&argvars
[2], buf
);
9211 rettv
->vval
.v_number
= cs_connection(num
, dbpath
, prepend
);
9216 * "cursor(lnum, col)" function
9218 * Moves the cursor to the specified line and column.
9219 * Returns 0 when the position could be set, -1 otherwise.
9222 f_cursor(argvars
, rettv
)
9227 #ifdef FEAT_VIRTUALEDIT
9231 rettv
->vval
.v_number
= -1;
9232 if (argvars
[1].v_type
== VAR_UNKNOWN
)
9236 if (list2fpos(argvars
, &pos
, NULL
) == FAIL
)
9240 #ifdef FEAT_VIRTUALEDIT
9241 coladd
= pos
.coladd
;
9246 line
= get_tv_lnum(argvars
);
9247 col
= get_tv_number_chk(&argvars
[1], NULL
);
9248 #ifdef FEAT_VIRTUALEDIT
9249 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9250 coladd
= get_tv_number_chk(&argvars
[2], NULL
);
9253 if (line
< 0 || col
< 0
9254 #ifdef FEAT_VIRTUALEDIT
9258 return; /* type error; errmsg already given */
9260 curwin
->w_cursor
.lnum
= line
;
9262 curwin
->w_cursor
.col
= col
- 1;
9263 #ifdef FEAT_VIRTUALEDIT
9264 curwin
->w_cursor
.coladd
= coladd
;
9267 /* Make sure the cursor is in a valid position. */
9270 /* Correct cursor for multi-byte character. */
9275 curwin
->w_set_curswant
= TRUE
;
9276 rettv
->vval
.v_number
= 0;
9280 * "deepcopy()" function
9283 f_deepcopy(argvars
, rettv
)
9289 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
9290 noref
= get_tv_number_chk(&argvars
[1], NULL
);
9291 if (noref
< 0 || noref
> 1)
9295 current_copyID
+= COPYID_INC
;
9296 item_copy(&argvars
[0], rettv
, TRUE
, noref
== 0 ? current_copyID
: 0);
9301 * "delete()" function
9304 f_delete(argvars
, rettv
)
9308 if (check_restricted() || check_secure())
9309 rettv
->vval
.v_number
= -1;
9311 rettv
->vval
.v_number
= mch_remove(get_tv_string(&argvars
[0]));
9315 * "did_filetype()" function
9318 f_did_filetype(argvars
, rettv
)
9319 typval_T
*argvars UNUSED
;
9320 typval_T
*rettv UNUSED
;
9323 rettv
->vval
.v_number
= did_filetype
;
9328 * "diff_filler()" function
9331 f_diff_filler(argvars
, rettv
)
9332 typval_T
*argvars UNUSED
;
9333 typval_T
*rettv UNUSED
;
9336 rettv
->vval
.v_number
= diff_check_fill(curwin
, get_tv_lnum(argvars
));
9341 * "diff_hlID()" function
9344 f_diff_hlID(argvars
, rettv
)
9345 typval_T
*argvars UNUSED
;
9346 typval_T
*rettv UNUSED
;
9349 linenr_T lnum
= get_tv_lnum(argvars
);
9350 static linenr_T prev_lnum
= 0;
9351 static int changedtick
= 0;
9352 static int fnum
= 0;
9353 static int change_start
= 0;
9354 static int change_end
= 0;
9355 static hlf_T hlID
= (hlf_T
)0;
9359 if (lnum
< 0) /* ignore type error in {lnum} arg */
9361 if (lnum
!= prev_lnum
9362 || changedtick
!= curbuf
->b_changedtick
9363 || fnum
!= curbuf
->b_fnum
)
9365 /* New line, buffer, change: need to get the values. */
9366 filler_lines
= diff_check(curwin
, lnum
);
9367 if (filler_lines
< 0)
9369 if (filler_lines
== -1)
9371 change_start
= MAXCOL
;
9373 if (diff_find_change(curwin
, lnum
, &change_start
, &change_end
))
9374 hlID
= HLF_ADD
; /* added line */
9376 hlID
= HLF_CHD
; /* changed line */
9379 hlID
= HLF_ADD
; /* added line */
9384 changedtick
= curbuf
->b_changedtick
;
9385 fnum
= curbuf
->b_fnum
;
9388 if (hlID
== HLF_CHD
|| hlID
== HLF_TXD
)
9390 col
= get_tv_number(&argvars
[1]) - 1; /* ignore type error in {col} */
9391 if (col
>= change_start
&& col
<= change_end
)
9392 hlID
= HLF_TXD
; /* changed text */
9394 hlID
= HLF_CHD
; /* changed line */
9396 rettv
->vval
.v_number
= hlID
== (hlf_T
)0 ? 0 : (int)hlID
;
9401 * "empty({expr})" function
9404 f_empty(argvars
, rettv
)
9410 switch (argvars
[0].v_type
)
9414 n
= argvars
[0].vval
.v_string
== NULL
9415 || *argvars
[0].vval
.v_string
== NUL
;
9418 n
= argvars
[0].vval
.v_number
== 0;
9422 n
= argvars
[0].vval
.v_float
== 0.0;
9426 n
= argvars
[0].vval
.v_list
== NULL
9427 || argvars
[0].vval
.v_list
->lv_first
== NULL
;
9430 n
= argvars
[0].vval
.v_dict
== NULL
9431 || argvars
[0].vval
.v_dict
->dv_hashtab
.ht_used
== 0;
9434 EMSG2(_(e_intern2
), "f_empty()");
9438 rettv
->vval
.v_number
= n
;
9442 * "escape({string}, {chars})" function
9445 f_escape(argvars
, rettv
)
9449 char_u buf
[NUMBUFLEN
];
9451 rettv
->vval
.v_string
= vim_strsave_escaped(get_tv_string(&argvars
[0]),
9452 get_tv_string_buf(&argvars
[1], buf
));
9453 rettv
->v_type
= VAR_STRING
;
9460 f_eval(argvars
, rettv
)
9466 s
= get_tv_string_chk(&argvars
[0]);
9470 if (s
== NULL
|| eval1(&s
, rettv
, TRUE
) == FAIL
)
9472 rettv
->v_type
= VAR_NUMBER
;
9473 rettv
->vval
.v_number
= 0;
9476 EMSG(_(e_trailing
));
9480 * "eventhandler()" function
9483 f_eventhandler(argvars
, rettv
)
9484 typval_T
*argvars UNUSED
;
9487 rettv
->vval
.v_number
= vgetc_busy
;
9491 * "executable()" function
9494 f_executable(argvars
, rettv
)
9498 rettv
->vval
.v_number
= mch_can_exe(get_tv_string(&argvars
[0]));
9502 * "exists()" function
9505 f_exists(argvars
, rettv
)
9514 p
= get_tv_string(&argvars
[0]);
9515 if (*p
== '$') /* environment variable */
9517 /* first try "normal" environment variables (fast) */
9518 if (mch_getenv(p
+ 1) != NULL
)
9522 /* try expanding things like $VIM and ${HOME} */
9523 p
= expand_env_save(p
);
9524 if (p
!= NULL
&& *p
!= '$')
9529 else if (*p
== '&' || *p
== '+') /* option */
9531 n
= (get_option_tv(&p
, NULL
, TRUE
) == OK
);
9532 if (*skipwhite(p
) != NUL
)
9533 n
= FALSE
; /* trailing garbage */
9535 else if (*p
== '*') /* internal or user defined function */
9537 n
= function_exists(p
+ 1);
9541 n
= cmd_exists(p
+ 1);
9547 n
= autocmd_supported(p
+ 2);
9549 n
= au_exists(p
+ 1);
9552 else /* internal variable */
9557 /* get_name_len() takes care of expanding curly braces */
9559 len
= get_name_len(&p
, &tofree
, TRUE
, FALSE
);
9564 n
= (get_var_tv(name
, len
, &tv
, FALSE
) == OK
);
9567 /* handle d.key, l[idx], f(expr) */
9568 n
= (handle_subscript(&p
, &tv
, TRUE
, FALSE
) == OK
);
9579 rettv
->vval
.v_number
= n
;
9583 * "expand()" function
9586 f_expand(argvars
, rettv
)
9593 int flags
= WILD_SILENT
|WILD_USE_NL
|WILD_LIST_NOTFOUND
;
9597 rettv
->v_type
= VAR_STRING
;
9598 s
= get_tv_string(&argvars
[0]);
9599 if (*s
== '%' || *s
== '#' || *s
== '<')
9602 rettv
->vval
.v_string
= eval_vars(s
, s
, &len
, NULL
, &errormsg
, NULL
);
9607 /* When the optional second argument is non-zero, don't remove matches
9608 * for 'wildignore' and don't put matches for 'suffixes' at the end. */
9609 if (argvars
[1].v_type
!= VAR_UNKNOWN
9610 && get_tv_number_chk(&argvars
[1], &error
))
9611 flags
|= WILD_KEEP_ALL
;
9615 xpc
.xp_context
= EXPAND_FILES
;
9616 rettv
->vval
.v_string
= ExpandOne(&xpc
, s
, NULL
, flags
, WILD_ALL
);
9619 rettv
->vval
.v_string
= NULL
;
9624 * "extend(list, list [, idx])" function
9625 * "extend(dict, dict [, action])" function
9628 f_extend(argvars
, rettv
)
9632 if (argvars
[0].v_type
== VAR_LIST
&& argvars
[1].v_type
== VAR_LIST
)
9639 l1
= argvars
[0].vval
.v_list
;
9640 l2
= argvars
[1].vval
.v_list
;
9641 if (l1
!= NULL
&& !tv_check_lock(l1
->lv_lock
, (char_u
*)"extend()")
9644 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9646 before
= get_tv_number_chk(&argvars
[2], &error
);
9648 return; /* type error; errmsg already given */
9650 if (before
== l1
->lv_len
)
9654 item
= list_find(l1
, before
);
9657 EMSGN(_(e_listidx
), before
);
9664 list_extend(l1
, l2
, item
);
9666 copy_tv(&argvars
[0], rettv
);
9669 else if (argvars
[0].v_type
== VAR_DICT
&& argvars
[1].v_type
== VAR_DICT
)
9678 d1
= argvars
[0].vval
.v_dict
;
9679 d2
= argvars
[1].vval
.v_dict
;
9680 if (d1
!= NULL
&& !tv_check_lock(d1
->dv_lock
, (char_u
*)"extend()")
9683 /* Check the third argument. */
9684 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9686 static char *(av
[]) = {"keep", "force", "error"};
9688 action
= get_tv_string_chk(&argvars
[2]);
9690 return; /* type error; errmsg already given */
9691 for (i
= 0; i
< 3; ++i
)
9692 if (STRCMP(action
, av
[i
]) == 0)
9696 EMSG2(_(e_invarg2
), action
);
9701 action
= (char_u
*)"force";
9703 /* Go over all entries in the second dict and add them to the
9705 todo
= (int)d2
->dv_hashtab
.ht_used
;
9706 for (hi2
= d2
->dv_hashtab
.ht_array
; todo
> 0; ++hi2
)
9708 if (!HASHITEM_EMPTY(hi2
))
9711 di1
= dict_find(d1
, hi2
->hi_key
, -1);
9714 di1
= dictitem_copy(HI2DI(hi2
));
9715 if (di1
!= NULL
&& dict_add(d1
, di1
) == FAIL
)
9718 else if (*action
== 'e')
9720 EMSG2(_("E737: Key already exists: %s"), hi2
->hi_key
);
9723 else if (*action
== 'f')
9725 clear_tv(&di1
->di_tv
);
9726 copy_tv(&HI2DI(hi2
)->di_tv
, &di1
->di_tv
);
9731 copy_tv(&argvars
[0], rettv
);
9735 EMSG2(_(e_listdictarg
), "extend()");
9739 * "feedkeys()" function
9742 f_feedkeys(argvars
, rettv
)
9744 typval_T
*rettv UNUSED
;
9747 char_u
*keys
, *flags
;
9748 char_u nbuf
[NUMBUFLEN
];
9752 /* This is not allowed in the sandbox. If the commands would still be
9753 * executed in the sandbox it would be OK, but it probably happens later,
9754 * when "sandbox" is no longer set. */
9758 keys
= get_tv_string(&argvars
[0]);
9761 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
9763 flags
= get_tv_string_buf(&argvars
[1], nbuf
);
9764 for ( ; *flags
!= NUL
; ++flags
)
9768 case 'n': remap
= FALSE
; break;
9769 case 'm': remap
= TRUE
; break;
9770 case 't': typed
= TRUE
; break;
9775 /* Need to escape K_SPECIAL and CSI before putting the string in the
9776 * typeahead buffer. */
9777 keys_esc
= vim_strsave_escape_csi(keys
);
9778 if (keys_esc
!= NULL
)
9780 ins_typebuf(keys_esc
, (remap
? REMAP_YES
: REMAP_NONE
),
9781 typebuf
.tb_len
, !typed
, FALSE
);
9784 typebuf_was_filled
= TRUE
;
9790 * "filereadable()" function
9793 f_filereadable(argvars
, rettv
)
9802 # define O_NONBLOCK 0
9804 p
= get_tv_string(&argvars
[0]);
9805 if (*p
&& !mch_isdir(p
) && (fd
= mch_open((char *)p
,
9806 O_RDONLY
| O_NONBLOCK
, 0)) >= 0)
9814 rettv
->vval
.v_number
= n
;
9818 * Return 0 for not writable, 1 for writable file, 2 for a dir which we have
9819 * rights to write into.
9822 f_filewritable(argvars
, rettv
)
9826 rettv
->vval
.v_number
= filewritable(get_tv_string(&argvars
[0]));
9829 static void findfilendir
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int find_what
));
9832 findfilendir(argvars
, rettv
, find_what
)
9837 #ifdef FEAT_SEARCHPATH
9839 char_u
*fresult
= NULL
;
9840 char_u
*path
= *curbuf
->b_p_path
== NUL
? p_path
: curbuf
->b_p_path
;
9842 char_u pathbuf
[NUMBUFLEN
];
9848 rettv
->vval
.v_string
= NULL
;
9849 rettv
->v_type
= VAR_STRING
;
9851 #ifdef FEAT_SEARCHPATH
9852 fname
= get_tv_string(&argvars
[0]);
9854 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
9856 p
= get_tv_string_buf_chk(&argvars
[1], pathbuf
);
9864 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9865 count
= get_tv_number_chk(&argvars
[2], &error
);
9869 if (count
< 0 && rettv_list_alloc(rettv
) == FAIL
)
9872 if (*fname
!= NUL
&& !error
)
9876 if (rettv
->v_type
== VAR_STRING
)
9878 fresult
= find_file_in_path_option(first
? fname
: NULL
,
9879 first
? (int)STRLEN(fname
) : 0,
9883 find_what
== FINDFILE_DIR
9884 ? (char_u
*)"" : curbuf
->b_p_sua
);
9887 if (fresult
!= NULL
&& rettv
->v_type
== VAR_LIST
)
9888 list_append_string(rettv
->vval
.v_list
, fresult
, -1);
9890 } while ((rettv
->v_type
== VAR_LIST
|| --count
> 0) && fresult
!= NULL
);
9893 if (rettv
->v_type
== VAR_STRING
)
9894 rettv
->vval
.v_string
= fresult
;
9898 static void filter_map
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int map
));
9899 static int filter_map_one
__ARGS((typval_T
*tv
, char_u
*expr
, int map
, int *remp
));
9902 * Implementation of map() and filter().
9905 filter_map(argvars
, rettv
, map
)
9910 char_u buf
[NUMBUFLEN
];
9912 listitem_T
*li
, *nli
;
9922 char_u
*ermsg
= map
? (char_u
*)"map()" : (char_u
*)"filter()";
9925 if (argvars
[0].v_type
== VAR_LIST
)
9927 if ((l
= argvars
[0].vval
.v_list
) == NULL
9928 || (map
&& tv_check_lock(l
->lv_lock
, ermsg
)))
9931 else if (argvars
[0].v_type
== VAR_DICT
)
9933 if ((d
= argvars
[0].vval
.v_dict
) == NULL
9934 || (map
&& tv_check_lock(d
->dv_lock
, ermsg
)))
9939 EMSG2(_(e_listdictarg
), ermsg
);
9943 expr
= get_tv_string_buf_chk(&argvars
[1], buf
);
9944 /* On type errors, the preceding call has already displayed an error
9945 * message. Avoid a misleading error message for an empty string that
9946 * was not passed as argument. */
9949 prepare_vimvar(VV_VAL
, &save_val
);
9950 expr
= skipwhite(expr
);
9952 /* We reset "did_emsg" to be able to detect whether an error
9953 * occurred during evaluation of the expression. */
9954 save_did_emsg
= did_emsg
;
9957 if (argvars
[0].v_type
== VAR_DICT
)
9959 prepare_vimvar(VV_KEY
, &save_key
);
9960 vimvars
[VV_KEY
].vv_type
= VAR_STRING
;
9962 ht
= &d
->dv_hashtab
;
9964 todo
= (int)ht
->ht_used
;
9965 for (hi
= ht
->ht_array
; todo
> 0; ++hi
)
9967 if (!HASHITEM_EMPTY(hi
))
9971 if (tv_check_lock(di
->di_tv
.v_lock
, ermsg
))
9973 vimvars
[VV_KEY
].vv_str
= vim_strsave(di
->di_key
);
9974 if (filter_map_one(&di
->di_tv
, expr
, map
, &rem
) == FAIL
9978 dictitem_remove(d
, di
);
9979 clear_tv(&vimvars
[VV_KEY
].vv_tv
);
9984 restore_vimvar(VV_KEY
, &save_key
);
9988 for (li
= l
->lv_first
; li
!= NULL
; li
= nli
)
9990 if (tv_check_lock(li
->li_tv
.v_lock
, ermsg
))
9993 if (filter_map_one(&li
->li_tv
, expr
, map
, &rem
) == FAIL
9997 listitem_remove(l
, li
);
10001 restore_vimvar(VV_VAL
, &save_val
);
10003 did_emsg
|= save_did_emsg
;
10006 copy_tv(&argvars
[0], rettv
);
10010 filter_map_one(tv
, expr
, map
, remp
)
10020 copy_tv(tv
, &vimvars
[VV_VAL
].vv_tv
);
10022 if (eval1(&s
, &rettv
, TRUE
) == FAIL
)
10024 if (*s
!= NUL
) /* check for trailing chars after expr */
10026 EMSG2(_(e_invexpr2
), s
);
10031 /* map(): replace the list item value */
10040 /* filter(): when expr is zero remove the item */
10041 *remp
= (get_tv_number_chk(&rettv
, &error
) == 0);
10043 /* On type error, nothing has been removed; return FAIL to stop the
10044 * loop. The error message was given by get_tv_number_chk(). */
10050 clear_tv(&vimvars
[VV_VAL
].vv_tv
);
10055 * "filter()" function
10058 f_filter(argvars
, rettv
)
10062 filter_map(argvars
, rettv
, FALSE
);
10066 * "finddir({fname}[, {path}[, {count}]])" function
10069 f_finddir(argvars
, rettv
)
10073 findfilendir(argvars
, rettv
, FINDFILE_DIR
);
10077 * "findfile({fname}[, {path}[, {count}]])" function
10080 f_findfile(argvars
, rettv
)
10084 findfilendir(argvars
, rettv
, FINDFILE_FILE
);
10089 * "float2nr({float})" function
10092 f_float2nr(argvars
, rettv
)
10098 if (get_float_arg(argvars
, &f
) == OK
)
10100 if (f
< -0x7fffffff)
10101 rettv
->vval
.v_number
= -0x7fffffff;
10102 else if (f
> 0x7fffffff)
10103 rettv
->vval
.v_number
= 0x7fffffff;
10105 rettv
->vval
.v_number
= (varnumber_T
)f
;
10110 * "floor({float})" function
10113 f_floor(argvars
, rettv
)
10119 rettv
->v_type
= VAR_FLOAT
;
10120 if (get_float_arg(argvars
, &f
) == OK
)
10121 rettv
->vval
.v_float
= floor(f
);
10123 rettv
->vval
.v_float
= 0.0;
10128 * "fnameescape({string})" function
10131 f_fnameescape(argvars
, rettv
)
10135 rettv
->vval
.v_string
= vim_strsave_fnameescape(
10136 get_tv_string(&argvars
[0]), FALSE
);
10137 rettv
->v_type
= VAR_STRING
;
10141 * "fnamemodify({fname}, {mods})" function
10144 f_fnamemodify(argvars
, rettv
)
10152 char_u
*fbuf
= NULL
;
10153 char_u buf
[NUMBUFLEN
];
10155 fname
= get_tv_string_chk(&argvars
[0]);
10156 mods
= get_tv_string_buf_chk(&argvars
[1], buf
);
10157 if (fname
== NULL
|| mods
== NULL
)
10161 len
= (int)STRLEN(fname
);
10162 (void)modify_fname(mods
, &usedlen
, &fname
, &fbuf
, &len
);
10165 rettv
->v_type
= VAR_STRING
;
10167 rettv
->vval
.v_string
= NULL
;
10169 rettv
->vval
.v_string
= vim_strnsave(fname
, len
);
10173 static void foldclosed_both
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int end
));
10176 * "foldclosed()" function
10179 foldclosed_both(argvars
, rettv
, end
)
10184 #ifdef FEAT_FOLDING
10186 linenr_T first
, last
;
10188 lnum
= get_tv_lnum(argvars
);
10189 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
)
10191 if (hasFoldingWin(curwin
, lnum
, &first
, &last
, FALSE
, NULL
))
10194 rettv
->vval
.v_number
= (varnumber_T
)last
;
10196 rettv
->vval
.v_number
= (varnumber_T
)first
;
10201 rettv
->vval
.v_number
= -1;
10205 * "foldclosed()" function
10208 f_foldclosed(argvars
, rettv
)
10212 foldclosed_both(argvars
, rettv
, FALSE
);
10216 * "foldclosedend()" function
10219 f_foldclosedend(argvars
, rettv
)
10223 foldclosed_both(argvars
, rettv
, TRUE
);
10227 * "foldlevel()" function
10230 f_foldlevel(argvars
, rettv
)
10234 #ifdef FEAT_FOLDING
10237 lnum
= get_tv_lnum(argvars
);
10238 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
)
10239 rettv
->vval
.v_number
= foldLevel(lnum
);
10244 * "foldtext()" function
10247 f_foldtext(argvars
, rettv
)
10248 typval_T
*argvars UNUSED
;
10251 #ifdef FEAT_FOLDING
10259 rettv
->v_type
= VAR_STRING
;
10260 rettv
->vval
.v_string
= NULL
;
10261 #ifdef FEAT_FOLDING
10262 if ((linenr_T
)vimvars
[VV_FOLDSTART
].vv_nr
> 0
10263 && (linenr_T
)vimvars
[VV_FOLDEND
].vv_nr
10264 <= curbuf
->b_ml
.ml_line_count
10265 && vimvars
[VV_FOLDDASHES
].vv_str
!= NULL
)
10267 /* Find first non-empty line in the fold. */
10268 lnum
= (linenr_T
)vimvars
[VV_FOLDSTART
].vv_nr
;
10269 while (lnum
< (linenr_T
)vimvars
[VV_FOLDEND
].vv_nr
)
10271 if (!linewhite(lnum
))
10276 /* Find interesting text in this line. */
10277 s
= skipwhite(ml_get(lnum
));
10278 /* skip C comment-start */
10279 if (s
[0] == '/' && (s
[1] == '*' || s
[1] == '/'))
10281 s
= skipwhite(s
+ 2);
10282 if (*skipwhite(s
) == NUL
10283 && lnum
+ 1 < (linenr_T
)vimvars
[VV_FOLDEND
].vv_nr
)
10285 s
= skipwhite(ml_get(lnum
+ 1));
10287 s
= skipwhite(s
+ 1);
10290 txt
= _("+-%s%3ld lines: ");
10291 r
= alloc((unsigned)(STRLEN(txt
)
10292 + STRLEN(vimvars
[VV_FOLDDASHES
].vv_str
) /* for %s */
10293 + 20 /* for %3ld */
10294 + STRLEN(s
))); /* concatenated */
10297 sprintf((char *)r
, txt
, vimvars
[VV_FOLDDASHES
].vv_str
,
10298 (long)((linenr_T
)vimvars
[VV_FOLDEND
].vv_nr
10299 - (linenr_T
)vimvars
[VV_FOLDSTART
].vv_nr
+ 1));
10300 len
= (int)STRLEN(r
);
10302 /* remove 'foldmarker' and 'commentstring' */
10303 foldtext_cleanup(r
+ len
);
10304 rettv
->vval
.v_string
= r
;
10311 * "foldtextresult(lnum)" function
10314 f_foldtextresult(argvars
, rettv
)
10315 typval_T
*argvars UNUSED
;
10318 #ifdef FEAT_FOLDING
10322 foldinfo_T foldinfo
;
10326 rettv
->v_type
= VAR_STRING
;
10327 rettv
->vval
.v_string
= NULL
;
10328 #ifdef FEAT_FOLDING
10329 lnum
= get_tv_lnum(argvars
);
10330 /* treat illegal types and illegal string values for {lnum} the same */
10333 fold_count
= foldedCount(curwin
, lnum
, &foldinfo
);
10334 if (fold_count
> 0)
10336 text
= get_foldtext(curwin
, lnum
, lnum
+ fold_count
- 1,
10339 text
= vim_strsave(text
);
10340 rettv
->vval
.v_string
= text
;
10346 * "foreground()" function
10349 f_foreground(argvars
, rettv
)
10350 typval_T
*argvars UNUSED
;
10351 typval_T
*rettv UNUSED
;
10355 gui_mch_set_foreground();
10358 win32_set_foreground();
10364 * "function()" function
10367 f_function(argvars
, rettv
)
10373 s
= get_tv_string(&argvars
[0]);
10374 if (s
== NULL
|| *s
== NUL
|| VIM_ISDIGIT(*s
))
10375 EMSG2(_(e_invarg2
), s
);
10376 /* Don't check an autoload name for existence here. */
10377 else if (vim_strchr(s
, AUTOLOAD_CHAR
) == NULL
&& !function_exists(s
))
10378 EMSG2(_("E700: Unknown function: %s"), s
);
10381 rettv
->vval
.v_string
= vim_strsave(s
);
10382 rettv
->v_type
= VAR_FUNC
;
10387 * "garbagecollect()" function
10390 f_garbagecollect(argvars
, rettv
)
10392 typval_T
*rettv UNUSED
;
10394 /* This is postponed until we are back at the toplevel, because we may be
10395 * using Lists and Dicts internally. E.g.: ":echo [garbagecollect()]". */
10396 want_garbage_collect
= TRUE
;
10398 if (argvars
[0].v_type
!= VAR_UNKNOWN
&& get_tv_number(&argvars
[0]) == 1)
10399 garbage_collect_at_exit
= TRUE
;
10406 f_get(argvars
, rettv
)
10414 typval_T
*tv
= NULL
;
10416 if (argvars
[0].v_type
== VAR_LIST
)
10418 if ((l
= argvars
[0].vval
.v_list
) != NULL
)
10422 li
= list_find(l
, get_tv_number_chk(&argvars
[1], &error
));
10423 if (!error
&& li
!= NULL
)
10427 else if (argvars
[0].v_type
== VAR_DICT
)
10429 if ((d
= argvars
[0].vval
.v_dict
) != NULL
)
10431 di
= dict_find(d
, get_tv_string(&argvars
[1]), -1);
10437 EMSG2(_(e_listdictarg
), "get()");
10441 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
10442 copy_tv(&argvars
[2], rettv
);
10445 copy_tv(tv
, rettv
);
10448 static void get_buffer_lines
__ARGS((buf_T
*buf
, linenr_T start
, linenr_T end
, int retlist
, typval_T
*rettv
));
10451 * Get line or list of lines from buffer "buf" into "rettv".
10452 * Return a range (from start to end) of lines in rettv from the specified
10454 * If 'retlist' is TRUE, then the lines are returned as a Vim List.
10457 get_buffer_lines(buf
, start
, end
, retlist
, rettv
)
10466 if (retlist
&& rettv_list_alloc(rettv
) == FAIL
)
10469 if (buf
== NULL
|| buf
->b_ml
.ml_mfp
== NULL
|| start
< 0)
10474 if (start
>= 1 && start
<= buf
->b_ml
.ml_line_count
)
10475 p
= ml_get_buf(buf
, start
, FALSE
);
10479 rettv
->v_type
= VAR_STRING
;
10480 rettv
->vval
.v_string
= vim_strsave(p
);
10489 if (end
> buf
->b_ml
.ml_line_count
)
10490 end
= buf
->b_ml
.ml_line_count
;
10491 while (start
<= end
)
10492 if (list_append_string(rettv
->vval
.v_list
,
10493 ml_get_buf(buf
, start
++, FALSE
), -1) == FAIL
)
10499 * "getbufline()" function
10502 f_getbufline(argvars
, rettv
)
10510 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
10512 buf
= get_buf_tv(&argvars
[0]);
10515 lnum
= get_tv_lnum_buf(&argvars
[1], buf
);
10516 if (argvars
[2].v_type
== VAR_UNKNOWN
)
10519 end
= get_tv_lnum_buf(&argvars
[2], buf
);
10521 get_buffer_lines(buf
, lnum
, end
, TRUE
, rettv
);
10525 * "getbufvar()" function
10528 f_getbufvar(argvars
, rettv
)
10533 buf_T
*save_curbuf
;
10537 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
10538 varname
= get_tv_string_chk(&argvars
[1]);
10540 buf
= get_buf_tv(&argvars
[0]);
10542 rettv
->v_type
= VAR_STRING
;
10543 rettv
->vval
.v_string
= NULL
;
10545 if (buf
!= NULL
&& varname
!= NULL
)
10547 /* set curbuf to be our buf, temporarily */
10548 save_curbuf
= curbuf
;
10551 if (*varname
== '&') /* buffer-local-option */
10552 get_option_tv(&varname
, rettv
, TRUE
);
10555 if (*varname
== NUL
)
10556 /* let getbufvar({nr}, "") return the "b:" dictionary. The
10557 * scope prefix before the NUL byte is required by
10558 * find_var_in_ht(). */
10559 varname
= (char_u
*)"b:" + 2;
10560 /* look up the variable */
10561 v
= find_var_in_ht(&curbuf
->b_vars
.dv_hashtab
, varname
, FALSE
);
10563 copy_tv(&v
->di_tv
, rettv
);
10566 /* restore previous notion of curbuf */
10567 curbuf
= save_curbuf
;
10574 * "getchar()" function
10577 f_getchar(argvars
, rettv
)
10584 /* Position the cursor. Needed after a message that ends in a space. */
10585 windgoto(msg_row
, msg_col
);
10591 if (argvars
[0].v_type
== VAR_UNKNOWN
)
10592 /* getchar(): blocking wait. */
10594 else if (get_tv_number_chk(&argvars
[0], &error
) == 1)
10595 /* getchar(1): only check if char avail */
10597 else if (error
|| vpeekc() == NUL
)
10598 /* illegal argument or getchar(0) and no char avail: return zero */
10601 /* getchar(0) and char avail: return char */
10610 vimvars
[VV_MOUSE_WIN
].vv_nr
= 0;
10611 vimvars
[VV_MOUSE_LNUM
].vv_nr
= 0;
10612 vimvars
[VV_MOUSE_COL
].vv_nr
= 0;
10614 rettv
->vval
.v_number
= n
;
10615 if (IS_SPECIAL(n
) || mod_mask
!= 0)
10617 char_u temp
[10]; /* modifier: 3, mbyte-char: 6, NUL: 1 */
10620 /* Turn a special key into three bytes, plus modifier. */
10623 temp
[i
++] = K_SPECIAL
;
10624 temp
[i
++] = KS_MODIFIER
;
10625 temp
[i
++] = mod_mask
;
10629 temp
[i
++] = K_SPECIAL
;
10630 temp
[i
++] = K_SECOND(n
);
10631 temp
[i
++] = K_THIRD(n
);
10634 else if (has_mbyte
)
10635 i
+= (*mb_char2bytes
)(n
, temp
+ i
);
10640 rettv
->v_type
= VAR_STRING
;
10641 rettv
->vval
.v_string
= vim_strsave(temp
);
10644 if (n
== K_LEFTMOUSE
10645 || n
== K_LEFTMOUSE_NM
10647 || n
== K_LEFTRELEASE
10648 || n
== K_LEFTRELEASE_NM
10649 || n
== K_MIDDLEMOUSE
10650 || n
== K_MIDDLEDRAG
10651 || n
== K_MIDDLERELEASE
10652 || n
== K_RIGHTMOUSE
10653 || n
== K_RIGHTDRAG
10654 || n
== K_RIGHTRELEASE
10657 || n
== K_X1RELEASE
10660 || n
== K_X2RELEASE
10661 || n
== K_MOUSEDOWN
10664 int row
= mouse_row
;
10665 int col
= mouse_col
;
10668 # ifdef FEAT_WINDOWS
10673 if (row
>= 0 && col
>= 0)
10675 /* Find the window at the mouse coordinates and compute the
10676 * text position. */
10677 win
= mouse_find_win(&row
, &col
);
10678 (void)mouse_comp_pos(win
, &row
, &col
, &lnum
);
10679 # ifdef FEAT_WINDOWS
10680 for (wp
= firstwin
; wp
!= win
; wp
= wp
->w_next
)
10683 vimvars
[VV_MOUSE_WIN
].vv_nr
= winnr
;
10684 vimvars
[VV_MOUSE_LNUM
].vv_nr
= lnum
;
10685 vimvars
[VV_MOUSE_COL
].vv_nr
= col
+ 1;
10693 * "getcharmod()" function
10696 f_getcharmod(argvars
, rettv
)
10697 typval_T
*argvars UNUSED
;
10700 rettv
->vval
.v_number
= mod_mask
;
10704 * "getcmdline()" function
10707 f_getcmdline(argvars
, rettv
)
10708 typval_T
*argvars UNUSED
;
10711 rettv
->v_type
= VAR_STRING
;
10712 rettv
->vval
.v_string
= get_cmdline_str();
10716 * "getcmdpos()" function
10719 f_getcmdpos(argvars
, rettv
)
10720 typval_T
*argvars UNUSED
;
10723 rettv
->vval
.v_number
= get_cmdline_pos() + 1;
10727 * "getcmdtype()" function
10730 f_getcmdtype(argvars
, rettv
)
10731 typval_T
*argvars UNUSED
;
10734 rettv
->v_type
= VAR_STRING
;
10735 rettv
->vval
.v_string
= alloc(2);
10736 if (rettv
->vval
.v_string
!= NULL
)
10738 rettv
->vval
.v_string
[0] = get_cmdline_type();
10739 rettv
->vval
.v_string
[1] = NUL
;
10744 * "getcwd()" function
10747 f_getcwd(argvars
, rettv
)
10748 typval_T
*argvars UNUSED
;
10751 char_u cwd
[MAXPATHL
];
10753 rettv
->v_type
= VAR_STRING
;
10754 if (mch_dirname(cwd
, MAXPATHL
) == FAIL
)
10755 rettv
->vval
.v_string
= NULL
;
10758 rettv
->vval
.v_string
= vim_strsave(cwd
);
10759 #ifdef BACKSLASH_IN_FILENAME
10760 if (rettv
->vval
.v_string
!= NULL
)
10761 slash_adjust(rettv
->vval
.v_string
);
10767 * "getfontname()" function
10770 f_getfontname(argvars
, rettv
)
10771 typval_T
*argvars UNUSED
;
10774 rettv
->v_type
= VAR_STRING
;
10775 rettv
->vval
.v_string
= NULL
;
10780 char_u
*name
= NULL
;
10782 if (argvars
[0].v_type
== VAR_UNKNOWN
)
10784 /* Get the "Normal" font. Either the name saved by
10785 * hl_set_font_name() or from the font ID. */
10786 font
= gui
.norm_font
;
10787 name
= hl_get_font_name();
10791 name
= get_tv_string(&argvars
[0]);
10792 if (STRCMP(name
, "*") == 0) /* don't use font dialog */
10794 font
= gui_mch_get_font(name
, FALSE
);
10795 if (font
== NOFONT
)
10796 return; /* Invalid font name, return empty string. */
10798 rettv
->vval
.v_string
= gui_mch_get_fontname(font
, name
);
10799 if (argvars
[0].v_type
!= VAR_UNKNOWN
)
10800 gui_mch_free_font(font
);
10806 * "getfperm({fname})" function
10809 f_getfperm(argvars
, rettv
)
10815 char_u
*perm
= NULL
;
10816 char_u flags
[] = "rwx";
10819 fname
= get_tv_string(&argvars
[0]);
10821 rettv
->v_type
= VAR_STRING
;
10822 if (mch_stat((char *)fname
, &st
) >= 0)
10824 perm
= vim_strsave((char_u
*)"---------");
10827 for (i
= 0; i
< 9; i
++)
10829 if (st
.st_mode
& (1 << (8 - i
)))
10830 perm
[i
] = flags
[i
% 3];
10834 rettv
->vval
.v_string
= perm
;
10838 * "getfsize({fname})" function
10841 f_getfsize(argvars
, rettv
)
10848 fname
= get_tv_string(&argvars
[0]);
10850 rettv
->v_type
= VAR_NUMBER
;
10852 if (mch_stat((char *)fname
, &st
) >= 0)
10854 if (mch_isdir(fname
))
10855 rettv
->vval
.v_number
= 0;
10858 rettv
->vval
.v_number
= (varnumber_T
)st
.st_size
;
10860 /* non-perfect check for overflow */
10861 if ((off_t
)rettv
->vval
.v_number
!= (off_t
)st
.st_size
)
10862 rettv
->vval
.v_number
= -2;
10866 rettv
->vval
.v_number
= -1;
10870 * "getftime({fname})" function
10873 f_getftime(argvars
, rettv
)
10880 fname
= get_tv_string(&argvars
[0]);
10882 if (mch_stat((char *)fname
, &st
) >= 0)
10883 rettv
->vval
.v_number
= (varnumber_T
)st
.st_mtime
;
10885 rettv
->vval
.v_number
= -1;
10889 * "getftype({fname})" function
10892 f_getftype(argvars
, rettv
)
10898 char_u
*type
= NULL
;
10901 fname
= get_tv_string(&argvars
[0]);
10903 rettv
->v_type
= VAR_STRING
;
10904 if (mch_lstat((char *)fname
, &st
) >= 0)
10907 if (S_ISREG(st
.st_mode
))
10909 else if (S_ISDIR(st
.st_mode
))
10912 else if (S_ISLNK(st
.st_mode
))
10916 else if (S_ISBLK(st
.st_mode
))
10920 else if (S_ISCHR(st
.st_mode
))
10924 else if (S_ISFIFO(st
.st_mode
))
10928 else if (S_ISSOCK(st
.st_mode
))
10935 switch (st
.st_mode
& S_IFMT
)
10937 case S_IFREG
: t
= "file"; break;
10938 case S_IFDIR
: t
= "dir"; break;
10940 case S_IFLNK
: t
= "link"; break;
10943 case S_IFBLK
: t
= "bdev"; break;
10946 case S_IFCHR
: t
= "cdev"; break;
10949 case S_IFIFO
: t
= "fifo"; break;
10952 case S_IFSOCK
: t
= "socket"; break;
10954 default: t
= "other";
10957 if (mch_isdir(fname
))
10963 type
= vim_strsave((char_u
*)t
);
10965 rettv
->vval
.v_string
= type
;
10969 * "getline(lnum, [end])" function
10972 f_getline(argvars
, rettv
)
10980 lnum
= get_tv_lnum(argvars
);
10981 if (argvars
[1].v_type
== VAR_UNKNOWN
)
10988 end
= get_tv_lnum(&argvars
[1]);
10992 get_buffer_lines(curbuf
, lnum
, end
, retlist
, rettv
);
10996 * "getmatches()" function
10999 f_getmatches(argvars
, rettv
)
11000 typval_T
*argvars UNUSED
;
11003 #ifdef FEAT_SEARCH_EXTRA
11005 matchitem_T
*cur
= curwin
->w_match_head
;
11007 if (rettv_list_alloc(rettv
) == OK
)
11009 while (cur
!= NULL
)
11011 dict
= dict_alloc();
11014 dict_add_nr_str(dict
, "group", 0L, syn_id2name(cur
->hlg_id
));
11015 dict_add_nr_str(dict
, "pattern", 0L, cur
->pattern
);
11016 dict_add_nr_str(dict
, "priority", (long)cur
->priority
, NULL
);
11017 dict_add_nr_str(dict
, "id", (long)cur
->id
, NULL
);
11018 list_append_dict(rettv
->vval
.v_list
, dict
);
11026 * "getpid()" function
11029 f_getpid(argvars
, rettv
)
11030 typval_T
*argvars UNUSED
;
11033 rettv
->vval
.v_number
= mch_get_pid();
11037 * "getpos(string)" function
11040 f_getpos(argvars
, rettv
)
11048 if (rettv_list_alloc(rettv
) == OK
)
11050 l
= rettv
->vval
.v_list
;
11051 fp
= var2fpos(&argvars
[0], TRUE
, &fnum
);
11053 list_append_number(l
, (varnumber_T
)fnum
);
11055 list_append_number(l
, (varnumber_T
)0);
11056 list_append_number(l
, (fp
!= NULL
) ? (varnumber_T
)fp
->lnum
11058 list_append_number(l
, (fp
!= NULL
)
11059 ? (varnumber_T
)(fp
->col
== MAXCOL
? MAXCOL
: fp
->col
+ 1)
11061 list_append_number(l
,
11062 #ifdef FEAT_VIRTUALEDIT
11063 (fp
!= NULL
) ? (varnumber_T
)fp
->coladd
:
11068 rettv
->vval
.v_number
= FALSE
;
11072 * "getqflist()" and "getloclist()" functions
11075 f_getqflist(argvars
, rettv
)
11076 typval_T
*argvars UNUSED
;
11077 typval_T
*rettv UNUSED
;
11079 #ifdef FEAT_QUICKFIX
11083 #ifdef FEAT_QUICKFIX
11084 if (rettv_list_alloc(rettv
) == OK
)
11087 if (argvars
[0].v_type
!= VAR_UNKNOWN
) /* getloclist() */
11089 wp
= find_win_by_nr(&argvars
[0], NULL
);
11094 (void)get_errorlist(wp
, rettv
->vval
.v_list
);
11100 * "getreg()" function
11103 f_getreg(argvars
, rettv
)
11107 char_u
*strregname
;
11112 if (argvars
[0].v_type
!= VAR_UNKNOWN
)
11114 strregname
= get_tv_string_chk(&argvars
[0]);
11115 error
= strregname
== NULL
;
11116 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
11117 arg2
= get_tv_number_chk(&argvars
[1], &error
);
11120 strregname
= vimvars
[VV_REG
].vv_str
;
11121 regname
= (strregname
== NULL
? '"' : *strregname
);
11125 rettv
->v_type
= VAR_STRING
;
11126 rettv
->vval
.v_string
= error
? NULL
:
11127 get_reg_contents(regname
, TRUE
, arg2
);
11131 * "getregtype()" function
11134 f_getregtype(argvars
, rettv
)
11138 char_u
*strregname
;
11140 char_u buf
[NUMBUFLEN
+ 2];
11143 if (argvars
[0].v_type
!= VAR_UNKNOWN
)
11145 strregname
= get_tv_string_chk(&argvars
[0]);
11146 if (strregname
== NULL
) /* type error; errmsg already given */
11148 rettv
->v_type
= VAR_STRING
;
11149 rettv
->vval
.v_string
= NULL
;
11154 /* Default to v:register */
11155 strregname
= vimvars
[VV_REG
].vv_str
;
11157 regname
= (strregname
== NULL
? '"' : *strregname
);
11163 switch (get_reg_type(regname
, ®len
))
11165 case MLINE
: buf
[0] = 'V'; break;
11166 case MCHAR
: buf
[0] = 'v'; break;
11170 sprintf((char *)buf
+ 1, "%ld", reglen
+ 1);
11174 rettv
->v_type
= VAR_STRING
;
11175 rettv
->vval
.v_string
= vim_strsave(buf
);
11179 * "gettabwinvar()" function
11182 f_gettabwinvar(argvars
, rettv
)
11186 getwinvar(argvars
, rettv
, 1);
11190 * "getwinposx()" function
11193 f_getwinposx(argvars
, rettv
)
11194 typval_T
*argvars UNUSED
;
11197 rettv
->vval
.v_number
= -1;
11203 if (gui_mch_get_winpos(&x
, &y
) == OK
)
11204 rettv
->vval
.v_number
= x
;
11210 * "getwinposy()" function
11213 f_getwinposy(argvars
, rettv
)
11214 typval_T
*argvars UNUSED
;
11217 rettv
->vval
.v_number
= -1;
11223 if (gui_mch_get_winpos(&x
, &y
) == OK
)
11224 rettv
->vval
.v_number
= y
;
11230 * Find window specified by "vp" in tabpage "tp".
11233 find_win_by_nr(vp
, tp
)
11235 tabpage_T
*tp
; /* NULL for current tab page */
11237 #ifdef FEAT_WINDOWS
11242 nr
= get_tv_number_chk(vp
, NULL
);
11244 #ifdef FEAT_WINDOWS
11250 for (wp
= (tp
== NULL
|| tp
== curtab
) ? firstwin
: tp
->tp_firstwin
;
11251 wp
!= NULL
; wp
= wp
->w_next
)
11256 if (nr
== 0 || nr
== 1)
11263 * "getwinvar()" function
11266 f_getwinvar(argvars
, rettv
)
11270 getwinvar(argvars
, rettv
, 0);
11274 * getwinvar() and gettabwinvar()
11277 getwinvar(argvars
, rettv
, off
)
11280 int off
; /* 1 for gettabwinvar() */
11282 win_T
*win
, *oldcurwin
;
11287 #ifdef FEAT_WINDOWS
11289 tp
= find_tabpage((int)get_tv_number_chk(&argvars
[0], NULL
));
11293 win
= find_win_by_nr(&argvars
[off
], tp
);
11294 varname
= get_tv_string_chk(&argvars
[off
+ 1]);
11297 rettv
->v_type
= VAR_STRING
;
11298 rettv
->vval
.v_string
= NULL
;
11300 if (win
!= NULL
&& varname
!= NULL
)
11302 /* Set curwin to be our win, temporarily. Also set curbuf, so
11303 * that we can get buffer-local options. */
11304 oldcurwin
= curwin
;
11306 curbuf
= win
->w_buffer
;
11308 if (*varname
== '&') /* window-local-option */
11309 get_option_tv(&varname
, rettv
, 1);
11312 if (*varname
== NUL
)
11313 /* let getwinvar({nr}, "") return the "w:" dictionary. The
11314 * scope prefix before the NUL byte is required by
11315 * find_var_in_ht(). */
11316 varname
= (char_u
*)"w:" + 2;
11317 /* look up the variable */
11318 v
= find_var_in_ht(&win
->w_vars
.dv_hashtab
, varname
, FALSE
);
11320 copy_tv(&v
->di_tv
, rettv
);
11323 /* restore previous notion of curwin */
11324 curwin
= oldcurwin
;
11325 curbuf
= curwin
->w_buffer
;
11332 * "glob()" function
11335 f_glob(argvars
, rettv
)
11339 int flags
= WILD_SILENT
|WILD_USE_NL
;
11343 /* When the optional second argument is non-zero, don't remove matches
11344 * for 'wildignore' and don't put matches for 'suffixes' at the end. */
11345 if (argvars
[1].v_type
!= VAR_UNKNOWN
11346 && get_tv_number_chk(&argvars
[1], &error
))
11347 flags
|= WILD_KEEP_ALL
;
11348 rettv
->v_type
= VAR_STRING
;
11352 xpc
.xp_context
= EXPAND_FILES
;
11353 rettv
->vval
.v_string
= ExpandOne(&xpc
, get_tv_string(&argvars
[0]),
11354 NULL
, flags
, WILD_ALL
);
11357 rettv
->vval
.v_string
= NULL
;
11361 * "globpath()" function
11364 f_globpath(argvars
, rettv
)
11369 char_u buf1
[NUMBUFLEN
];
11370 char_u
*file
= get_tv_string_buf_chk(&argvars
[1], buf1
);
11373 /* When the optional second argument is non-zero, don't remove matches
11374 * for 'wildignore' and don't put matches for 'suffixes' at the end. */
11375 if (argvars
[2].v_type
!= VAR_UNKNOWN
11376 && get_tv_number_chk(&argvars
[2], &error
))
11377 flags
|= WILD_KEEP_ALL
;
11378 rettv
->v_type
= VAR_STRING
;
11379 if (file
== NULL
|| error
)
11380 rettv
->vval
.v_string
= NULL
;
11382 rettv
->vval
.v_string
= globpath(get_tv_string(&argvars
[0]), file
,
11390 f_has(argvars
, rettv
)
11397 static char *(has_list
[]) =
11418 #if defined(MACOS_X_UNIX)
11442 #if defined(UNIX) && (defined(__CYGWIN32__) || defined(__CYGWIN__))
11451 #ifndef CASE_INSENSITIVE_FILENAME
11457 #ifdef FEAT_AUTOCMD
11462 # ifndef FEAT_GUI_W32 /* other GUIs always have multiline balloons */
11463 "balloon_multiline",
11466 #if defined(SOME_BUILTIN_TCAPS) || defined(ALL_BUILTIN_TCAPS)
11468 # ifdef ALL_BUILTIN_TCAPS
11469 "all_builtin_terms",
11472 #ifdef FEAT_BYTEOFF
11475 #ifdef FEAT_CINDENT
11478 #ifdef FEAT_CLIENTSERVER
11481 #ifdef FEAT_CLIPBOARD
11484 #ifdef FEAT_CMDL_COMPL
11487 #ifdef FEAT_CMDHIST
11490 #ifdef FEAT_COMMENTS
11499 #ifdef CURSOR_SHAPE
11505 #ifdef FEAT_CON_DIALOG
11508 #ifdef FEAT_GUI_DIALOG
11514 #ifdef FEAT_DIGRAPHS
11520 #ifdef FEAT_EMACS_TAGS
11523 "eval", /* always present, of course! */
11524 #ifdef FEAT_EX_EXTRA
11527 #ifdef FEAT_SEARCH_EXTRA
11533 #ifdef FEAT_SEARCHPATH
11536 #if defined(UNIX) && !defined(USE_SYSTEM)
11539 #ifdef FEAT_FIND_ID
11545 #ifdef FEAT_FOLDING
11551 #if !defined(USE_SYSTEM) && defined(UNIX)
11554 #ifdef FEAT_FULLSCREEN
11557 #ifdef FEAT_GETTEXT
11563 #ifdef FEAT_GUI_ATHENA
11564 # ifdef FEAT_GUI_NEXTAW
11570 #ifdef FEAT_GUI_GTK
11576 #ifdef FEAT_GUI_GNOME
11579 #ifdef FEAT_GUI_MAC
11582 #ifdef FEAT_GUI_MACVIM
11585 #ifdef FEAT_GUI_MOTIF
11588 #ifdef FEAT_GUI_PHOTON
11591 #ifdef FEAT_GUI_W16
11594 #ifdef FEAT_GUI_W32
11597 #ifdef FEAT_HANGULIN
11600 #if defined(HAVE_ICONV_H) && defined(USE_ICONV)
11603 #ifdef FEAT_INS_EXPAND
11606 #ifdef FEAT_JUMPLIST
11612 #ifdef FEAT_LANGMAP
11615 #ifdef FEAT_LIBCALL
11618 #ifdef FEAT_LINEBREAK
11624 #ifdef FEAT_LISTCMDS
11627 #ifdef FEAT_LOCALMAP
11633 #ifdef FEAT_SESSION
11636 #ifdef FEAT_MODIFY_FNAME
11642 #ifdef FEAT_MOUSESHAPE
11645 #if defined(UNIX) || defined(VMS)
11646 # ifdef FEAT_MOUSE_DEC
11649 # ifdef FEAT_MOUSE_GPM
11652 # ifdef FEAT_MOUSE_JSB
11655 # ifdef FEAT_MOUSE_NET
11658 # ifdef FEAT_MOUSE_PTERM
11661 # ifdef FEAT_SYSMOUSE
11664 # ifdef FEAT_MOUSE_XTERM
11671 #ifdef FEAT_MBYTE_IME
11674 #ifdef FEAT_MULTI_LANG
11677 #ifdef FEAT_MZSCHEME
11678 #ifndef DYNAMIC_MZSCHEME
11685 #ifdef FEAT_OSFILETYPE
11688 #ifdef FEAT_PATH_EXTRA
11692 #ifndef DYNAMIC_PERL
11697 #ifndef DYNAMIC_PYTHON
11701 #ifdef FEAT_POSTSCRIPT
11704 #ifdef FEAT_PRINTER
11707 #ifdef FEAT_PROFILE
11710 #ifdef FEAT_RELTIME
11713 #ifdef FEAT_QUICKFIX
11716 #ifdef FEAT_RIGHTLEFT
11719 #if defined(FEAT_RUBY) && !defined(DYNAMIC_RUBY)
11722 #ifdef FEAT_SCROLLBIND
11725 #ifdef FEAT_CMDL_INFO
11732 #ifdef FEAT_SMARTINDENT
11738 #ifdef FEAT_STL_OPT
11741 #ifdef FEAT_SUN_WORKSHOP
11744 #ifdef FEAT_NETBEANS_INTG
11747 #ifdef FEAT_ODB_EDITOR
11756 #if defined(USE_SYSTEM) || !defined(UNIX)
11759 #ifdef FEAT_TAG_BINS
11762 #ifdef FEAT_TAG_OLDSTATIC
11765 #ifdef FEAT_TAG_ANYWHITE
11769 # ifndef DYNAMIC_TCL
11776 #ifdef FEAT_TERMRESPONSE
11779 #ifdef FEAT_TEXTOBJ
11782 #ifdef HAVE_TGETENT
11788 #ifdef FEAT_TOOLBAR
11791 #ifdef FEAT_TRANSPARENCY
11794 #ifdef FEAT_USR_CMDS
11795 "user-commands", /* was accidentally included in 5.4 */
11798 #ifdef FEAT_VIMINFO
11801 #ifdef FEAT_VERTSPLIT
11804 #ifdef FEAT_VIRTUALEDIT
11810 #ifdef FEAT_VISUALEXTRA
11813 #ifdef FEAT_VREPLACE
11816 #ifdef FEAT_WILDIGN
11819 #ifdef FEAT_WILDMENU
11822 #ifdef FEAT_WINDOWS
11828 #ifdef FEAT_WRITEBACKUP
11834 #ifdef FEAT_XFONTSET
11840 #ifdef USE_XSMP_INTERACT
11843 #ifdef FEAT_XCLIPBOARD
11846 #ifdef FEAT_XTERM_SAVE
11849 #if defined(UNIX) && defined(FEAT_X11)
11855 name
= get_tv_string(&argvars
[0]);
11856 for (i
= 0; has_list
[i
] != NULL
; ++i
)
11857 if (STRICMP(name
, has_list
[i
]) == 0)
11865 if (STRNICMP(name
, "patch", 5) == 0)
11866 n
= has_patch(atoi((char *)name
+ 5));
11867 else if (STRICMP(name
, "vim_starting") == 0)
11868 n
= (starting
!= 0);
11870 else if (STRICMP(name
, "multi_byte_encoding") == 0)
11873 #if defined(FEAT_BEVAL) && defined(FEAT_GUI_W32)
11874 else if (STRICMP(name
, "balloon_multiline") == 0)
11875 n
= multiline_balloon_available();
11878 else if (STRICMP(name
, "tcl") == 0)
11879 n
= tcl_enabled(FALSE
);
11881 #if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
11882 else if (STRICMP(name
, "iconv") == 0)
11883 n
= iconv_enabled(FALSE
);
11885 #ifdef DYNAMIC_MZSCHEME
11886 else if (STRICMP(name
, "mzscheme") == 0)
11887 n
= mzscheme_enabled(FALSE
);
11889 #ifdef DYNAMIC_RUBY
11890 else if (STRICMP(name
, "ruby") == 0)
11891 n
= ruby_enabled(FALSE
);
11893 #ifdef DYNAMIC_PYTHON
11894 else if (STRICMP(name
, "python") == 0)
11895 n
= python_enabled(FALSE
);
11897 #ifdef DYNAMIC_PERL
11898 else if (STRICMP(name
, "perl") == 0)
11899 n
= perl_enabled(FALSE
);
11902 else if (STRICMP(name
, "gui_running") == 0)
11903 n
= (gui
.in_use
|| gui
.starting
);
11904 # ifdef FEAT_GUI_W32
11905 else if (STRICMP(name
, "gui_win32s") == 0)
11906 n
= gui_is_win32s();
11908 # ifdef FEAT_BROWSE
11909 else if (STRICMP(name
, "browse") == 0)
11910 n
= gui
.in_use
; /* gui_mch_browse() works when GUI is running */
11914 else if (STRICMP(name
, "syntax_items") == 0)
11915 n
= syntax_present(curbuf
);
11917 #if defined(WIN3264)
11918 else if (STRICMP(name
, "win95") == 0)
11919 n
= mch_windows95();
11921 #ifdef FEAT_NETBEANS_INTG
11922 else if (STRICMP(name
, "netbeans_enabled") == 0)
11927 rettv
->vval
.v_number
= n
;
11931 * "has_key()" function
11934 f_has_key(argvars
, rettv
)
11938 if (argvars
[0].v_type
!= VAR_DICT
)
11940 EMSG(_(e_dictreq
));
11943 if (argvars
[0].vval
.v_dict
== NULL
)
11946 rettv
->vval
.v_number
= dict_find(argvars
[0].vval
.v_dict
,
11947 get_tv_string(&argvars
[1]), -1) != NULL
;
11951 * "haslocaldir()" function
11954 f_haslocaldir(argvars
, rettv
)
11955 typval_T
*argvars UNUSED
;
11958 rettv
->vval
.v_number
= (curwin
->w_localdir
!= NULL
);
11962 * "hasmapto()" function
11965 f_hasmapto(argvars
, rettv
)
11971 char_u buf
[NUMBUFLEN
];
11974 name
= get_tv_string(&argvars
[0]);
11975 if (argvars
[1].v_type
== VAR_UNKNOWN
)
11976 mode
= (char_u
*)"nvo";
11979 mode
= get_tv_string_buf(&argvars
[1], buf
);
11980 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
11981 abbr
= get_tv_number(&argvars
[2]);
11984 if (map_to_exists(name
, mode
, abbr
))
11985 rettv
->vval
.v_number
= TRUE
;
11987 rettv
->vval
.v_number
= FALSE
;
11991 * "histadd()" function
11994 f_histadd(argvars
, rettv
)
11995 typval_T
*argvars UNUSED
;
11998 #ifdef FEAT_CMDHIST
12001 char_u buf
[NUMBUFLEN
];
12004 rettv
->vval
.v_number
= FALSE
;
12005 if (check_restricted() || check_secure())
12007 #ifdef FEAT_CMDHIST
12008 str
= get_tv_string_chk(&argvars
[0]); /* NULL on type error */
12009 histype
= str
!= NULL
? get_histtype(str
) : -1;
12012 str
= get_tv_string_buf(&argvars
[1], buf
);
12015 add_to_history(histype
, str
, FALSE
, NUL
);
12016 rettv
->vval
.v_number
= TRUE
;
12024 * "histdel()" function
12027 f_histdel(argvars
, rettv
)
12028 typval_T
*argvars UNUSED
;
12029 typval_T
*rettv UNUSED
;
12031 #ifdef FEAT_CMDHIST
12033 char_u buf
[NUMBUFLEN
];
12036 str
= get_tv_string_chk(&argvars
[0]); /* NULL on type error */
12039 else if (argvars
[1].v_type
== VAR_UNKNOWN
)
12040 /* only one argument: clear entire history */
12041 n
= clr_history(get_histtype(str
));
12042 else if (argvars
[1].v_type
== VAR_NUMBER
)
12043 /* index given: remove that entry */
12044 n
= del_history_idx(get_histtype(str
),
12045 (int)get_tv_number(&argvars
[1]));
12047 /* string given: remove all matching entries */
12048 n
= del_history_entry(get_histtype(str
),
12049 get_tv_string_buf(&argvars
[1], buf
));
12050 rettv
->vval
.v_number
= n
;
12055 * "histget()" function
12058 f_histget(argvars
, rettv
)
12059 typval_T
*argvars UNUSED
;
12062 #ifdef FEAT_CMDHIST
12067 str
= get_tv_string_chk(&argvars
[0]); /* NULL on type error */
12069 rettv
->vval
.v_string
= NULL
;
12072 type
= get_histtype(str
);
12073 if (argvars
[1].v_type
== VAR_UNKNOWN
)
12074 idx
= get_history_idx(type
);
12076 idx
= (int)get_tv_number_chk(&argvars
[1], NULL
);
12077 /* -1 on type error */
12078 rettv
->vval
.v_string
= vim_strsave(get_history_entry(type
, idx
));
12081 rettv
->vval
.v_string
= NULL
;
12083 rettv
->v_type
= VAR_STRING
;
12087 * "histnr()" function
12090 f_histnr(argvars
, rettv
)
12091 typval_T
*argvars UNUSED
;
12096 #ifdef FEAT_CMDHIST
12097 char_u
*history
= get_tv_string_chk(&argvars
[0]);
12099 i
= history
== NULL
? HIST_CMD
- 1 : get_histtype(history
);
12100 if (i
>= HIST_CMD
&& i
< HIST_COUNT
)
12101 i
= get_history_idx(i
);
12105 rettv
->vval
.v_number
= i
;
12109 * "highlightID(name)" function
12112 f_hlID(argvars
, rettv
)
12116 rettv
->vval
.v_number
= syn_name2id(get_tv_string(&argvars
[0]));
12120 * "highlight_exists()" function
12123 f_hlexists(argvars
, rettv
)
12127 rettv
->vval
.v_number
= highlight_exists(get_tv_string(&argvars
[0]));
12131 * "hostname()" function
12134 f_hostname(argvars
, rettv
)
12135 typval_T
*argvars UNUSED
;
12138 char_u hostname
[256];
12140 mch_get_host_name(hostname
, 256);
12141 rettv
->v_type
= VAR_STRING
;
12142 rettv
->vval
.v_string
= vim_strsave(hostname
);
12149 f_iconv(argvars
, rettv
)
12150 typval_T
*argvars UNUSED
;
12154 char_u buf1
[NUMBUFLEN
];
12155 char_u buf2
[NUMBUFLEN
];
12156 char_u
*from
, *to
, *str
;
12160 rettv
->v_type
= VAR_STRING
;
12161 rettv
->vval
.v_string
= NULL
;
12164 str
= get_tv_string(&argvars
[0]);
12165 from
= enc_canonize(enc_skip(get_tv_string_buf(&argvars
[1], buf1
)));
12166 to
= enc_canonize(enc_skip(get_tv_string_buf(&argvars
[2], buf2
)));
12167 vimconv
.vc_type
= CONV_NONE
;
12168 convert_setup(&vimconv
, from
, to
);
12170 /* If the encodings are equal, no conversion needed. */
12171 if (vimconv
.vc_type
== CONV_NONE
)
12172 rettv
->vval
.v_string
= vim_strsave(str
);
12174 rettv
->vval
.v_string
= string_convert(&vimconv
, str
, NULL
);
12176 convert_setup(&vimconv
, NULL
, NULL
);
12183 * "indent()" function
12186 f_indent(argvars
, rettv
)
12192 lnum
= get_tv_lnum(argvars
);
12193 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
)
12194 rettv
->vval
.v_number
= get_indent_lnum(lnum
);
12196 rettv
->vval
.v_number
= -1;
12200 * "index()" function
12203 f_index(argvars
, rettv
)
12212 rettv
->vval
.v_number
= -1;
12213 if (argvars
[0].v_type
!= VAR_LIST
)
12215 EMSG(_(e_listreq
));
12218 l
= argvars
[0].vval
.v_list
;
12221 item
= l
->lv_first
;
12222 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
12226 /* Start at specified item. Use the cached index that list_find()
12227 * sets, so that a negative number also works. */
12228 item
= list_find(l
, get_tv_number_chk(&argvars
[2], &error
));
12230 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
12231 ic
= get_tv_number_chk(&argvars
[3], &error
);
12236 for ( ; item
!= NULL
; item
= item
->li_next
, ++idx
)
12237 if (tv_equal(&item
->li_tv
, &argvars
[1], ic
))
12239 rettv
->vval
.v_number
= idx
;
12245 static int inputsecret_flag
= 0;
12247 static void get_user_input
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int inputdialog
));
12250 * This function is used by f_input() and f_inputdialog() functions. The third
12251 * argument to f_input() specifies the type of completion to use at the
12252 * prompt. The third argument to f_inputdialog() specifies the value to return
12253 * when the user cancels the prompt.
12256 get_user_input(argvars
, rettv
, inputdialog
)
12261 char_u
*prompt
= get_tv_string_chk(&argvars
[0]);
12264 char_u buf
[NUMBUFLEN
];
12265 int cmd_silent_save
= cmd_silent
;
12266 char_u
*defstr
= (char_u
*)"";
12267 int xp_type
= EXPAND_NOTHING
;
12268 char_u
*xp_arg
= NULL
;
12270 rettv
->v_type
= VAR_STRING
;
12271 rettv
->vval
.v_string
= NULL
;
12273 #ifdef NO_CONSOLE_INPUT
12274 /* While starting up, there is no place to enter text. */
12275 if (no_console_input())
12279 cmd_silent
= FALSE
; /* Want to see the prompt. */
12280 if (prompt
!= NULL
)
12282 /* Only the part of the message after the last NL is considered as
12283 * prompt for the command line */
12284 p
= vim_strrchr(prompt
, '\n');
12294 msg_puts_attr(prompt
, echo_attr
);
12295 msg_didout
= FALSE
;
12299 cmdline_row
= msg_row
;
12301 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
12303 defstr
= get_tv_string_buf_chk(&argvars
[1], buf
);
12304 if (defstr
!= NULL
)
12305 stuffReadbuffSpec(defstr
);
12307 if (!inputdialog
&& argvars
[2].v_type
!= VAR_UNKNOWN
)
12313 rettv
->vval
.v_string
= NULL
;
12315 xp_name
= get_tv_string_buf_chk(&argvars
[2], buf
);
12316 if (xp_name
== NULL
)
12319 xp_namelen
= (int)STRLEN(xp_name
);
12321 if (parse_compl_arg(xp_name
, xp_namelen
, &xp_type
, &argt
,
12327 if (defstr
!= NULL
)
12328 rettv
->vval
.v_string
=
12329 getcmdline_prompt(inputsecret_flag
? NUL
: '@', p
, echo_attr
,
12334 /* since the user typed this, no need to wait for return */
12335 need_wait_return
= FALSE
;
12336 msg_didout
= FALSE
;
12338 cmd_silent
= cmd_silent_save
;
12342 * "input()" function
12343 * Also handles inputsecret() when inputsecret is set.
12346 f_input(argvars
, rettv
)
12350 get_user_input(argvars
, rettv
, FALSE
);
12354 * "inputdialog()" function
12357 f_inputdialog(argvars
, rettv
)
12361 #if defined(FEAT_GUI_TEXTDIALOG)
12362 /* Use a GUI dialog if the GUI is running and 'c' is not in 'guioptions' */
12363 if (gui
.in_use
&& vim_strchr(p_go
, GO_CONDIALOG
) == NULL
)
12366 char_u buf
[NUMBUFLEN
];
12367 char_u
*defstr
= (char_u
*)"";
12369 message
= get_tv_string_chk(&argvars
[0]);
12370 if (argvars
[1].v_type
!= VAR_UNKNOWN
12371 && (defstr
= get_tv_string_buf_chk(&argvars
[1], buf
)) != NULL
)
12372 vim_strncpy(IObuff
, defstr
, IOSIZE
- 1);
12375 if (message
!= NULL
&& defstr
!= NULL
12376 && do_dialog(VIM_QUESTION
, NULL
, message
,
12377 (char_u
*)_("&OK\n&Cancel"), 1, IObuff
) == 1)
12378 rettv
->vval
.v_string
= vim_strsave(IObuff
);
12381 if (message
!= NULL
&& defstr
!= NULL
12382 && argvars
[1].v_type
!= VAR_UNKNOWN
12383 && argvars
[2].v_type
!= VAR_UNKNOWN
)
12384 rettv
->vval
.v_string
= vim_strsave(
12385 get_tv_string_buf(&argvars
[2], buf
));
12387 rettv
->vval
.v_string
= NULL
;
12389 rettv
->v_type
= VAR_STRING
;
12393 get_user_input(argvars
, rettv
, TRUE
);
12397 * "inputlist()" function
12400 f_inputlist(argvars
, rettv
)
12408 #ifdef NO_CONSOLE_INPUT
12409 /* While starting up, there is no place to enter text. */
12410 if (no_console_input())
12413 if (argvars
[0].v_type
!= VAR_LIST
|| argvars
[0].vval
.v_list
== NULL
)
12415 EMSG2(_(e_listarg
), "inputlist()");
12420 msg_row
= Rows
- 1; /* for when 'cmdheight' > 1 */
12421 lines_left
= Rows
; /* avoid more prompt */
12425 for (li
= argvars
[0].vval
.v_list
->lv_first
; li
!= NULL
; li
= li
->li_next
)
12427 msg_puts(get_tv_string(&li
->li_tv
));
12431 /* Ask for choice. */
12432 selected
= prompt_for_number(&mouse_used
);
12434 selected
-= lines_left
;
12436 rettv
->vval
.v_number
= selected
;
12440 static garray_T ga_userinput
= {0, 0, sizeof(tasave_T
), 4, NULL
};
12443 * "inputrestore()" function
12446 f_inputrestore(argvars
, rettv
)
12447 typval_T
*argvars UNUSED
;
12450 if (ga_userinput
.ga_len
> 0)
12452 --ga_userinput
.ga_len
;
12453 restore_typeahead((tasave_T
*)(ga_userinput
.ga_data
)
12454 + ga_userinput
.ga_len
);
12455 /* default return is zero == OK */
12457 else if (p_verbose
> 1)
12459 verb_msg((char_u
*)_("called inputrestore() more often than inputsave()"));
12460 rettv
->vval
.v_number
= 1; /* Failed */
12465 * "inputsave()" function
12468 f_inputsave(argvars
, rettv
)
12469 typval_T
*argvars UNUSED
;
12472 /* Add an entry to the stack of typeahead storage. */
12473 if (ga_grow(&ga_userinput
, 1) == OK
)
12475 save_typeahead((tasave_T
*)(ga_userinput
.ga_data
)
12476 + ga_userinput
.ga_len
);
12477 ++ga_userinput
.ga_len
;
12478 /* default return is zero == OK */
12481 rettv
->vval
.v_number
= 1; /* Failed */
12485 * "inputsecret()" function
12488 f_inputsecret(argvars
, rettv
)
12493 ++inputsecret_flag
;
12494 f_input(argvars
, rettv
);
12496 --inputsecret_flag
;
12500 * "insert()" function
12503 f_insert(argvars
, rettv
)
12512 if (argvars
[0].v_type
!= VAR_LIST
)
12513 EMSG2(_(e_listarg
), "insert()");
12514 else if ((l
= argvars
[0].vval
.v_list
) != NULL
12515 && !tv_check_lock(l
->lv_lock
, (char_u
*)"insert()"))
12517 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
12518 before
= get_tv_number_chk(&argvars
[2], &error
);
12520 return; /* type error; errmsg already given */
12522 if (before
== l
->lv_len
)
12526 item
= list_find(l
, before
);
12529 EMSGN(_(e_listidx
), before
);
12535 list_insert_tv(l
, &argvars
[1], item
);
12536 copy_tv(&argvars
[0], rettv
);
12542 * "isdirectory()" function
12545 f_isdirectory(argvars
, rettv
)
12549 rettv
->vval
.v_number
= mch_isdir(get_tv_string(&argvars
[0]));
12553 * "islocked()" function
12556 f_islocked(argvars
, rettv
)
12564 rettv
->vval
.v_number
= -1;
12565 end
= get_lval(get_tv_string(&argvars
[0]), NULL
, &lv
, FALSE
, FALSE
, FALSE
,
12567 if (end
!= NULL
&& lv
.ll_name
!= NULL
)
12570 EMSG(_(e_trailing
));
12573 if (lv
.ll_tv
== NULL
)
12575 if (check_changedtick(lv
.ll_name
))
12576 rettv
->vval
.v_number
= 1; /* always locked */
12579 di
= find_var(lv
.ll_name
, NULL
);
12582 /* Consider a variable locked when:
12583 * 1. the variable itself is locked
12584 * 2. the value of the variable is locked.
12585 * 3. the List or Dict value is locked.
12587 rettv
->vval
.v_number
= ((di
->di_flags
& DI_FLAGS_LOCK
)
12588 || tv_islocked(&di
->di_tv
));
12592 else if (lv
.ll_range
)
12593 EMSG(_("E786: Range not allowed"));
12594 else if (lv
.ll_newkey
!= NULL
)
12595 EMSG2(_(e_dictkey
), lv
.ll_newkey
);
12596 else if (lv
.ll_list
!= NULL
)
12598 rettv
->vval
.v_number
= tv_islocked(&lv
.ll_li
->li_tv
);
12600 /* Dictionary item. */
12601 rettv
->vval
.v_number
= tv_islocked(&lv
.ll_di
->di_tv
);
12608 static void dict_list
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int what
));
12611 * Turn a dict into a list:
12612 * "what" == 0: list of keys
12613 * "what" == 1: list of values
12614 * "what" == 2: list of items
12617 dict_list(argvars
, rettv
, what
)
12630 if (argvars
[0].v_type
!= VAR_DICT
)
12632 EMSG(_(e_dictreq
));
12635 if ((d
= argvars
[0].vval
.v_dict
) == NULL
)
12638 if (rettv_list_alloc(rettv
) == FAIL
)
12641 todo
= (int)d
->dv_hashtab
.ht_used
;
12642 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
12644 if (!HASHITEM_EMPTY(hi
))
12649 li
= listitem_alloc();
12652 list_append(rettv
->vval
.v_list
, li
);
12657 li
->li_tv
.v_type
= VAR_STRING
;
12658 li
->li_tv
.v_lock
= 0;
12659 li
->li_tv
.vval
.v_string
= vim_strsave(di
->di_key
);
12661 else if (what
== 1)
12664 copy_tv(&di
->di_tv
, &li
->li_tv
);
12670 li
->li_tv
.v_type
= VAR_LIST
;
12671 li
->li_tv
.v_lock
= 0;
12672 li
->li_tv
.vval
.v_list
= l2
;
12677 li2
= listitem_alloc();
12680 list_append(l2
, li2
);
12681 li2
->li_tv
.v_type
= VAR_STRING
;
12682 li2
->li_tv
.v_lock
= 0;
12683 li2
->li_tv
.vval
.v_string
= vim_strsave(di
->di_key
);
12685 li2
= listitem_alloc();
12688 list_append(l2
, li2
);
12689 copy_tv(&di
->di_tv
, &li2
->li_tv
);
12696 * "items(dict)" function
12699 f_items(argvars
, rettv
)
12703 dict_list(argvars
, rettv
, 2);
12707 * "join()" function
12710 f_join(argvars
, rettv
)
12717 if (argvars
[0].v_type
!= VAR_LIST
)
12719 EMSG(_(e_listreq
));
12722 if (argvars
[0].vval
.v_list
== NULL
)
12724 if (argvars
[1].v_type
== VAR_UNKNOWN
)
12725 sep
= (char_u
*)" ";
12727 sep
= get_tv_string_chk(&argvars
[1]);
12729 rettv
->v_type
= VAR_STRING
;
12733 ga_init2(&ga
, (int)sizeof(char), 80);
12734 list_join(&ga
, argvars
[0].vval
.v_list
, sep
, TRUE
, 0);
12735 ga_append(&ga
, NUL
);
12736 rettv
->vval
.v_string
= (char_u
*)ga
.ga_data
;
12739 rettv
->vval
.v_string
= NULL
;
12743 * "keys()" function
12746 f_keys(argvars
, rettv
)
12750 dict_list(argvars
, rettv
, 0);
12754 * "last_buffer_nr()" function.
12757 f_last_buffer_nr(argvars
, rettv
)
12758 typval_T
*argvars UNUSED
;
12764 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
12765 if (n
< buf
->b_fnum
)
12768 rettv
->vval
.v_number
= n
;
12775 f_len(argvars
, rettv
)
12779 switch (argvars
[0].v_type
)
12783 rettv
->vval
.v_number
= (varnumber_T
)STRLEN(
12784 get_tv_string(&argvars
[0]));
12787 rettv
->vval
.v_number
= list_len(argvars
[0].vval
.v_list
);
12790 rettv
->vval
.v_number
= dict_len(argvars
[0].vval
.v_dict
);
12793 EMSG(_("E701: Invalid type for len()"));
12798 static void libcall_common
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int type
));
12801 libcall_common(argvars
, rettv
, type
)
12806 #ifdef FEAT_LIBCALL
12808 char_u
**string_result
;
12812 rettv
->v_type
= type
;
12813 if (type
!= VAR_NUMBER
)
12814 rettv
->vval
.v_string
= NULL
;
12816 if (check_restricted() || check_secure())
12819 #ifdef FEAT_LIBCALL
12820 /* The first two args must be strings, otherwise its meaningless */
12821 if (argvars
[0].v_type
== VAR_STRING
&& argvars
[1].v_type
== VAR_STRING
)
12824 if (argvars
[2].v_type
== VAR_STRING
)
12825 string_in
= argvars
[2].vval
.v_string
;
12826 if (type
== VAR_NUMBER
)
12827 string_result
= NULL
;
12829 string_result
= &rettv
->vval
.v_string
;
12830 if (mch_libcall(argvars
[0].vval
.v_string
,
12831 argvars
[1].vval
.v_string
,
12833 argvars
[2].vval
.v_number
,
12836 && type
== VAR_NUMBER
)
12837 rettv
->vval
.v_number
= nr_result
;
12843 * "libcall()" function
12846 f_libcall(argvars
, rettv
)
12850 libcall_common(argvars
, rettv
, VAR_STRING
);
12854 * "libcallnr()" function
12857 f_libcallnr(argvars
, rettv
)
12861 libcall_common(argvars
, rettv
, VAR_NUMBER
);
12865 * "line(string)" function
12868 f_line(argvars
, rettv
)
12876 fp
= var2fpos(&argvars
[0], TRUE
, &fnum
);
12879 rettv
->vval
.v_number
= lnum
;
12883 * "line2byte(lnum)" function
12886 f_line2byte(argvars
, rettv
)
12887 typval_T
*argvars UNUSED
;
12890 #ifndef FEAT_BYTEOFF
12891 rettv
->vval
.v_number
= -1;
12895 lnum
= get_tv_lnum(argvars
);
12896 if (lnum
< 1 || lnum
> curbuf
->b_ml
.ml_line_count
+ 1)
12897 rettv
->vval
.v_number
= -1;
12899 rettv
->vval
.v_number
= ml_find_line_or_offset(curbuf
, lnum
, NULL
);
12900 if (rettv
->vval
.v_number
>= 0)
12901 ++rettv
->vval
.v_number
;
12906 * "lispindent(lnum)" function
12909 f_lispindent(argvars
, rettv
)
12917 pos
= curwin
->w_cursor
;
12918 lnum
= get_tv_lnum(argvars
);
12919 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
)
12921 curwin
->w_cursor
.lnum
= lnum
;
12922 rettv
->vval
.v_number
= get_lisp_indent();
12923 curwin
->w_cursor
= pos
;
12927 rettv
->vval
.v_number
= -1;
12931 * "localtime()" function
12934 f_localtime(argvars
, rettv
)
12935 typval_T
*argvars UNUSED
;
12938 rettv
->vval
.v_number
= (varnumber_T
)time(NULL
);
12941 static void get_maparg
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int exact
));
12944 get_maparg(argvars
, rettv
, exact
)
12951 char_u buf
[NUMBUFLEN
];
12952 char_u
*keys_buf
= NULL
;
12958 /* return empty string for failure */
12959 rettv
->v_type
= VAR_STRING
;
12960 rettv
->vval
.v_string
= NULL
;
12962 keys
= get_tv_string(&argvars
[0]);
12966 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
12968 which
= get_tv_string_buf_chk(&argvars
[1], buf
);
12969 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
12970 abbr
= get_tv_number(&argvars
[2]);
12973 which
= (char_u
*)"";
12977 mode
= get_map_mode(&which
, 0);
12979 keys
= replace_termcodes(keys
, &keys_buf
, TRUE
, TRUE
, FALSE
);
12980 rhs
= check_map(keys
, mode
, exact
, FALSE
, abbr
);
12981 vim_free(keys_buf
);
12985 ga
.ga_itemsize
= 1;
12986 ga
.ga_growsize
= 40;
12988 while (*rhs
!= NUL
)
12989 ga_concat(&ga
, str2special(&rhs
, FALSE
));
12991 ga_append(&ga
, NUL
);
12992 rettv
->vval
.v_string
= (char_u
*)ga
.ga_data
;
12998 * "log10()" function
13001 f_log10(argvars
, rettv
)
13007 rettv
->v_type
= VAR_FLOAT
;
13008 if (get_float_arg(argvars
, &f
) == OK
)
13009 rettv
->vval
.v_float
= log10(f
);
13011 rettv
->vval
.v_float
= 0.0;
13019 f_map(argvars
, rettv
)
13023 filter_map(argvars
, rettv
, TRUE
);
13027 * "maparg()" function
13030 f_maparg(argvars
, rettv
)
13034 get_maparg(argvars
, rettv
, TRUE
);
13038 * "mapcheck()" function
13041 f_mapcheck(argvars
, rettv
)
13045 get_maparg(argvars
, rettv
, FALSE
);
13048 static void find_some_match
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int start
));
13051 find_some_match(argvars
, rettv
, type
)
13056 char_u
*str
= NULL
;
13057 char_u
*expr
= NULL
;
13059 regmatch_T regmatch
;
13060 char_u patbuf
[NUMBUFLEN
];
13061 char_u strbuf
[NUMBUFLEN
];
13065 colnr_T startcol
= 0;
13068 listitem_T
*li
= NULL
;
13070 char_u
*tofree
= NULL
;
13072 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
13074 p_cpo
= (char_u
*)"";
13076 rettv
->vval
.v_number
= -1;
13079 /* return empty list when there are no matches */
13080 if (rettv_list_alloc(rettv
) == FAIL
)
13083 else if (type
== 2)
13085 rettv
->v_type
= VAR_STRING
;
13086 rettv
->vval
.v_string
= NULL
;
13089 if (argvars
[0].v_type
== VAR_LIST
)
13091 if ((l
= argvars
[0].vval
.v_list
) == NULL
)
13096 expr
= str
= get_tv_string(&argvars
[0]);
13098 pat
= get_tv_string_buf_chk(&argvars
[1], patbuf
);
13102 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
13106 start
= get_tv_number_chk(&argvars
[2], &error
);
13111 li
= list_find(l
, start
);
13114 idx
= l
->lv_idx
; /* use the cached index */
13120 if (start
> (long)STRLEN(str
))
13122 /* When "count" argument is there ignore matches before "start",
13123 * otherwise skip part of the string. Differs when pattern is "^"
13125 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
13131 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
13132 nth
= get_tv_number_chk(&argvars
[3], &error
);
13137 regmatch
.regprog
= vim_regcomp(pat
, RE_MAGIC
+ RE_STRING
);
13138 if (regmatch
.regprog
!= NULL
)
13140 regmatch
.rm_ic
= p_ic
;
13152 str
= echo_string(&li
->li_tv
, &tofree
, strbuf
, 0);
13157 match
= vim_regexec_nl(®match
, str
, (colnr_T
)startcol
);
13159 if (match
&& --nth
<= 0)
13161 if (l
== NULL
&& !match
)
13164 /* Advance to just after the match. */
13173 startcol
= (colnr_T
)(regmatch
.startp
[0]
13174 + (*mb_ptr2len
)(regmatch
.startp
[0]) - str
);
13176 startcol
= regmatch
.startp
[0] + 1 - str
;
13187 /* return list with matched string and submatches */
13188 for (i
= 0; i
< NSUBEXP
; ++i
)
13190 if (regmatch
.endp
[i
] == NULL
)
13192 if (list_append_string(rettv
->vval
.v_list
,
13193 (char_u
*)"", 0) == FAIL
)
13196 else if (list_append_string(rettv
->vval
.v_list
,
13197 regmatch
.startp
[i
],
13198 (int)(regmatch
.endp
[i
] - regmatch
.startp
[i
]))
13203 else if (type
== 2)
13205 /* return matched string */
13207 copy_tv(&li
->li_tv
, rettv
);
13209 rettv
->vval
.v_string
= vim_strnsave(regmatch
.startp
[0],
13210 (int)(regmatch
.endp
[0] - regmatch
.startp
[0]));
13212 else if (l
!= NULL
)
13213 rettv
->vval
.v_number
= idx
;
13217 rettv
->vval
.v_number
=
13218 (varnumber_T
)(regmatch
.startp
[0] - str
);
13220 rettv
->vval
.v_number
=
13221 (varnumber_T
)(regmatch
.endp
[0] - str
);
13222 rettv
->vval
.v_number
+= (varnumber_T
)(str
- expr
);
13225 vim_free(regmatch
.regprog
);
13234 * "match()" function
13237 f_match(argvars
, rettv
)
13241 find_some_match(argvars
, rettv
, 1);
13245 * "matchadd()" function
13248 f_matchadd(argvars
, rettv
)
13252 #ifdef FEAT_SEARCH_EXTRA
13253 char_u buf
[NUMBUFLEN
];
13254 char_u
*grp
= get_tv_string_buf_chk(&argvars
[0], buf
); /* group */
13255 char_u
*pat
= get_tv_string_buf_chk(&argvars
[1], buf
); /* pattern */
13256 int prio
= 10; /* default priority */
13260 rettv
->vval
.v_number
= -1;
13262 if (grp
== NULL
|| pat
== NULL
)
13264 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
13266 prio
= get_tv_number_chk(&argvars
[2], &error
);
13267 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
13268 id
= get_tv_number_chk(&argvars
[3], &error
);
13272 if (id
>= 1 && id
<= 3)
13274 EMSGN("E798: ID is reserved for \":match\": %ld", id
);
13278 rettv
->vval
.v_number
= match_add(curwin
, grp
, pat
, prio
, id
);
13283 * "matcharg()" function
13286 f_matcharg(argvars
, rettv
)
13290 if (rettv_list_alloc(rettv
) == OK
)
13292 #ifdef FEAT_SEARCH_EXTRA
13293 int id
= get_tv_number(&argvars
[0]);
13296 if (id
>= 1 && id
<= 3)
13298 if ((m
= (matchitem_T
*)get_match(curwin
, id
)) != NULL
)
13300 list_append_string(rettv
->vval
.v_list
,
13301 syn_id2name(m
->hlg_id
), -1);
13302 list_append_string(rettv
->vval
.v_list
, m
->pattern
, -1);
13306 list_append_string(rettv
->vval
.v_list
, NUL
, -1);
13307 list_append_string(rettv
->vval
.v_list
, NUL
, -1);
13315 * "matchdelete()" function
13318 f_matchdelete(argvars
, rettv
)
13322 #ifdef FEAT_SEARCH_EXTRA
13323 rettv
->vval
.v_number
= match_delete(curwin
,
13324 (int)get_tv_number(&argvars
[0]), TRUE
);
13329 * "matchend()" function
13332 f_matchend(argvars
, rettv
)
13336 find_some_match(argvars
, rettv
, 0);
13340 * "matchlist()" function
13343 f_matchlist(argvars
, rettv
)
13347 find_some_match(argvars
, rettv
, 3);
13351 * "matchstr()" function
13354 f_matchstr(argvars
, rettv
)
13358 find_some_match(argvars
, rettv
, 2);
13361 static void max_min
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int domax
));
13364 max_min(argvars
, rettv
, domax
)
13373 if (argvars
[0].v_type
== VAR_LIST
)
13378 l
= argvars
[0].vval
.v_list
;
13384 n
= get_tv_number_chk(&li
->li_tv
, &error
);
13390 i
= get_tv_number_chk(&li
->li_tv
, &error
);
13391 if (domax
? i
> n
: i
< n
)
13397 else if (argvars
[0].v_type
== VAR_DICT
)
13404 d
= argvars
[0].vval
.v_dict
;
13407 todo
= (int)d
->dv_hashtab
.ht_used
;
13408 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
13410 if (!HASHITEM_EMPTY(hi
))
13413 i
= get_tv_number_chk(&HI2DI(hi
)->di_tv
, &error
);
13419 else if (domax
? i
> n
: i
< n
)
13426 EMSG(_(e_listdictarg
));
13427 rettv
->vval
.v_number
= error
? 0 : n
;
13434 f_max(argvars
, rettv
)
13438 max_min(argvars
, rettv
, TRUE
);
13445 f_min(argvars
, rettv
)
13449 max_min(argvars
, rettv
, FALSE
);
13452 static int mkdir_recurse
__ARGS((char_u
*dir
, int prot
));
13455 * Create the directory in which "dir" is located, and higher levels when
13459 mkdir_recurse(dir
, prot
)
13467 /* Get end of directory name in "dir".
13468 * We're done when it's "/" or "c:/". */
13469 p
= gettail_sep(dir
);
13470 if (p
<= get_past_head(dir
))
13473 /* If the directory exists we're done. Otherwise: create it.*/
13474 updir
= vim_strnsave(dir
, (int)(p
- dir
));
13477 if (mch_isdir(updir
))
13479 else if (mkdir_recurse(updir
, prot
) == OK
)
13480 r
= vim_mkdir_emsg(updir
, prot
);
13487 * "mkdir()" function
13490 f_mkdir(argvars
, rettv
)
13495 char_u buf
[NUMBUFLEN
];
13498 rettv
->vval
.v_number
= FAIL
;
13499 if (check_restricted() || check_secure())
13502 dir
= get_tv_string_buf(&argvars
[0], buf
);
13503 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
13505 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
13506 prot
= get_tv_number_chk(&argvars
[2], NULL
);
13507 if (prot
!= -1 && STRCMP(get_tv_string(&argvars
[1]), "p") == 0)
13508 mkdir_recurse(dir
, prot
);
13510 rettv
->vval
.v_number
= prot
!= -1 ? vim_mkdir_emsg(dir
, prot
) : 0;
13515 * "mode()" function
13518 f_mode(argvars
, rettv
)
13531 buf
[0] = VIsual_mode
+ 's' - 'v';
13533 buf
[0] = VIsual_mode
;
13537 if (State
== HITRETURN
|| State
== ASKMORE
|| State
== SETWSIZE
13538 || State
== CONFIRM
)
13541 if (State
== ASKMORE
)
13543 else if (State
== CONFIRM
)
13546 else if (State
== EXTERNCMD
)
13548 else if (State
& INSERT
)
13550 #ifdef FEAT_VREPLACE
13551 if (State
& VREPLACE_FLAG
)
13558 if (State
& REPLACE_FLAG
)
13563 else if (State
& CMDLINE
)
13569 else if (exmode_active
)
13581 /* Clear out the minor mode when the argument is not a non-zero number or
13582 * non-empty string. */
13583 if (!non_zero_arg(&argvars
[0]))
13586 rettv
->vval
.v_string
= vim_strsave(buf
);
13587 rettv
->v_type
= VAR_STRING
;
13591 * "nextnonblank()" function
13594 f_nextnonblank(argvars
, rettv
)
13600 for (lnum
= get_tv_lnum(argvars
); ; ++lnum
)
13602 if (lnum
< 0 || lnum
> curbuf
->b_ml
.ml_line_count
)
13607 if (*skipwhite(ml_get(lnum
)) != NUL
)
13610 rettv
->vval
.v_number
= lnum
;
13614 * "nr2char()" function
13617 f_nr2char(argvars
, rettv
)
13621 char_u buf
[NUMBUFLEN
];
13625 buf
[(*mb_char2bytes
)((int)get_tv_number(&argvars
[0]), buf
)] = NUL
;
13629 buf
[0] = (char_u
)get_tv_number(&argvars
[0]);
13632 rettv
->v_type
= VAR_STRING
;
13633 rettv
->vval
.v_string
= vim_strsave(buf
);
13637 * "pathshorten()" function
13640 f_pathshorten(argvars
, rettv
)
13646 rettv
->v_type
= VAR_STRING
;
13647 p
= get_tv_string_chk(&argvars
[0]);
13649 rettv
->vval
.v_string
= NULL
;
13652 p
= vim_strsave(p
);
13653 rettv
->vval
.v_string
= p
;
13664 f_pow(argvars
, rettv
)
13670 rettv
->v_type
= VAR_FLOAT
;
13671 if (get_float_arg(argvars
, &fx
) == OK
13672 && get_float_arg(&argvars
[1], &fy
) == OK
)
13673 rettv
->vval
.v_float
= pow(fx
, fy
);
13675 rettv
->vval
.v_float
= 0.0;
13680 * "prevnonblank()" function
13683 f_prevnonblank(argvars
, rettv
)
13689 lnum
= get_tv_lnum(argvars
);
13690 if (lnum
< 1 || lnum
> curbuf
->b_ml
.ml_line_count
)
13693 while (lnum
>= 1 && *skipwhite(ml_get(lnum
)) == NUL
)
13695 rettv
->vval
.v_number
= lnum
;
13698 #ifdef HAVE_STDARG_H
13699 /* This dummy va_list is here because:
13700 * - passing a NULL pointer doesn't work when va_list isn't a pointer
13701 * - locally in the function results in a "used before set" warning
13702 * - using va_start() to initialize it gives "function with fixed args" error */
13707 * "printf()" function
13710 f_printf(argvars
, rettv
)
13714 rettv
->v_type
= VAR_STRING
;
13715 rettv
->vval
.v_string
= NULL
;
13716 #ifdef HAVE_STDARG_H /* only very old compilers can't do this */
13718 char_u buf
[NUMBUFLEN
];
13721 int saved_did_emsg
= did_emsg
;
13724 /* Get the required length, allocate the buffer and do it for real. */
13726 fmt
= (char *)get_tv_string_buf(&argvars
[0], buf
);
13727 len
= vim_vsnprintf(NULL
, 0, fmt
, ap
, argvars
+ 1);
13730 s
= alloc(len
+ 1);
13733 rettv
->vval
.v_string
= s
;
13734 (void)vim_vsnprintf((char *)s
, len
+ 1, fmt
, ap
, argvars
+ 1);
13737 did_emsg
|= saved_did_emsg
;
13743 * "pumvisible()" function
13746 f_pumvisible(argvars
, rettv
)
13747 typval_T
*argvars UNUSED
;
13748 typval_T
*rettv UNUSED
;
13750 #ifdef FEAT_INS_EXPAND
13752 rettv
->vval
.v_number
= 1;
13757 * "range()" function
13760 f_range(argvars
, rettv
)
13770 start
= get_tv_number_chk(&argvars
[0], &error
);
13771 if (argvars
[1].v_type
== VAR_UNKNOWN
)
13778 end
= get_tv_number_chk(&argvars
[1], &error
);
13779 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
13780 stride
= get_tv_number_chk(&argvars
[2], &error
);
13784 return; /* type error; errmsg already given */
13786 EMSG(_("E726: Stride is zero"));
13787 else if (stride
> 0 ? end
+ 1 < start
: end
- 1 > start
)
13788 EMSG(_("E727: Start past end"));
13791 if (rettv_list_alloc(rettv
) == OK
)
13792 for (i
= start
; stride
> 0 ? i
<= end
: i
>= end
; i
+= stride
)
13793 if (list_append_number(rettv
->vval
.v_list
,
13794 (varnumber_T
)i
) == FAIL
)
13800 * "readfile()" function
13803 f_readfile(argvars
, rettv
)
13807 int binary
= FALSE
;
13811 #define FREAD_SIZE 200 /* optimized for text lines */
13812 char_u buf
[FREAD_SIZE
];
13813 int readlen
; /* size of last fread() */
13814 int buflen
; /* nr of valid chars in buf[] */
13815 int filtd
; /* how much in buf[] was NUL -> '\n' filtered */
13816 int tolist
; /* first byte in buf[] still to be put in list */
13817 int chop
; /* how many CR to chop off */
13818 char_u
*prev
= NULL
; /* previously read bytes, if any */
13819 int prevlen
= 0; /* length of "prev" if not NULL */
13822 long maxline
= MAXLNUM
;
13825 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
13827 if (STRCMP(get_tv_string(&argvars
[1]), "b") == 0)
13829 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
13830 maxline
= get_tv_number(&argvars
[2]);
13833 if (rettv_list_alloc(rettv
) == FAIL
)
13836 /* Always open the file in binary mode, library functions have a mind of
13837 * their own about CR-LF conversion. */
13838 fname
= get_tv_string(&argvars
[0]);
13839 if (*fname
== NUL
|| (fd
= mch_fopen((char *)fname
, READBIN
)) == NULL
)
13841 EMSG2(_(e_notopen
), *fname
== NUL
? (char_u
*)_("<empty>") : fname
);
13846 while (cnt
< maxline
|| maxline
< 0)
13848 readlen
= (int)fread(buf
+ filtd
, 1, FREAD_SIZE
- filtd
, fd
);
13849 buflen
= filtd
+ readlen
;
13851 for ( ; filtd
< buflen
|| readlen
<= 0; ++filtd
)
13853 if (buf
[filtd
] == '\n' || readlen
<= 0)
13855 /* Only when in binary mode add an empty list item when the
13856 * last line ends in a '\n'. */
13857 if (!binary
&& readlen
== 0 && filtd
== 0)
13860 /* Found end-of-line or end-of-file: add a text line to the
13864 while (filtd
- chop
- 1 >= tolist
13865 && buf
[filtd
- chop
- 1] == '\r')
13867 len
= filtd
- tolist
- chop
;
13869 s
= vim_strnsave(buf
+ tolist
, len
);
13872 s
= alloc((unsigned)(prevlen
+ len
+ 1));
13875 mch_memmove(s
, prev
, prevlen
);
13878 mch_memmove(s
+ prevlen
, buf
+ tolist
, len
);
13879 s
[prevlen
+ len
] = NUL
;
13882 tolist
= filtd
+ 1;
13884 li
= listitem_alloc();
13890 li
->li_tv
.v_type
= VAR_STRING
;
13891 li
->li_tv
.v_lock
= 0;
13892 li
->li_tv
.vval
.v_string
= s
;
13893 list_append(rettv
->vval
.v_list
, li
);
13895 if (++cnt
>= maxline
&& maxline
>= 0)
13900 else if (buf
[filtd
] == NUL
)
13908 /* "buf" is full, need to move text to an allocated buffer */
13911 prev
= vim_strnsave(buf
, buflen
);
13916 s
= alloc((unsigned)(prevlen
+ buflen
));
13919 mch_memmove(s
, prev
, prevlen
);
13920 mch_memmove(s
+ prevlen
, buf
, buflen
);
13930 mch_memmove(buf
, buf
+ tolist
, buflen
- tolist
);
13936 * For a negative line count use only the lines at the end of the file,
13940 while (cnt
> -maxline
)
13942 listitem_remove(rettv
->vval
.v_list
, rettv
->vval
.v_list
->lv_first
);
13950 #if defined(FEAT_RELTIME)
13951 static int list2proftime
__ARGS((typval_T
*arg
, proftime_T
*tm
));
13954 * Convert a List to proftime_T.
13955 * Return FAIL when there is something wrong.
13958 list2proftime(arg
, tm
)
13965 if (arg
->v_type
!= VAR_LIST
|| arg
->vval
.v_list
== NULL
13966 || arg
->vval
.v_list
->lv_len
!= 2)
13968 n1
= list_find_nr(arg
->vval
.v_list
, 0L, &error
);
13969 n2
= list_find_nr(arg
->vval
.v_list
, 1L, &error
);
13977 return error
? FAIL
: OK
;
13979 #endif /* FEAT_RELTIME */
13982 * "reltime()" function
13985 f_reltime(argvars
, rettv
)
13989 #ifdef FEAT_RELTIME
13993 if (argvars
[0].v_type
== VAR_UNKNOWN
)
13995 /* No arguments: get current time. */
13996 profile_start(&res
);
13998 else if (argvars
[1].v_type
== VAR_UNKNOWN
)
14000 if (list2proftime(&argvars
[0], &res
) == FAIL
)
14006 /* Two arguments: compute the difference. */
14007 if (list2proftime(&argvars
[0], &start
) == FAIL
14008 || list2proftime(&argvars
[1], &res
) == FAIL
)
14010 profile_sub(&res
, &start
);
14013 if (rettv_list_alloc(rettv
) == OK
)
14024 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)n1
);
14025 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)n2
);
14031 * "reltimestr()" function
14034 f_reltimestr(argvars
, rettv
)
14038 #ifdef FEAT_RELTIME
14042 rettv
->v_type
= VAR_STRING
;
14043 rettv
->vval
.v_string
= NULL
;
14044 #ifdef FEAT_RELTIME
14045 if (list2proftime(&argvars
[0], &tm
) == OK
)
14046 rettv
->vval
.v_string
= vim_strsave((char_u
*)profile_msg(&tm
));
14050 #if defined(FEAT_CLIENTSERVER) && defined(FEAT_X11)
14051 static void make_connection
__ARGS((void));
14052 static int check_connection
__ARGS((void));
14057 if (X_DISPLAY
== NULL
14063 x_force_connect
= TRUE
;
14065 x_force_connect
= FALSE
;
14073 if (X_DISPLAY
== NULL
)
14075 EMSG(_("E240: No connection to Vim server"));
14082 #ifdef FEAT_CLIENTSERVER
14083 static void remote_common
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int expr
));
14086 remote_common(argvars
, rettv
, expr
)
14091 char_u
*server_name
;
14094 char_u buf
[NUMBUFLEN
];
14097 # elif defined(FEAT_X11)
14099 # elif defined(MAC_CLIENTSERVER)
14100 int w
; // This is the port number ('w' is a bit confusing)
14103 if (check_restricted() || check_secure())
14107 if (check_connection() == FAIL
)
14111 server_name
= get_tv_string_chk(&argvars
[0]);
14112 if (server_name
== NULL
)
14113 return; /* type error; errmsg already given */
14114 keys
= get_tv_string_buf(&argvars
[1], buf
);
14116 if (serverSendToVim(server_name
, keys
, &r
, &w
, expr
, TRUE
) < 0)
14117 # elif defined(FEAT_X11)
14118 if (serverSendToVim(X_DISPLAY
, server_name
, keys
, &r
, &w
, expr
, 0, TRUE
)
14120 # elif defined(MAC_CLIENTSERVER)
14121 if (serverSendToVim(server_name
, keys
, &r
, &w
, expr
, TRUE
) < 0)
14125 EMSG(r
); /* sending worked but evaluation failed */
14127 EMSG2(_("E241: Unable to send to %s"), server_name
);
14131 rettv
->vval
.v_string
= r
;
14133 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
14139 sprintf((char *)str
, PRINTF_HEX_LONG_U
, (long_u
)w
);
14140 v
.di_tv
.v_type
= VAR_STRING
;
14141 v
.di_tv
.vval
.v_string
= vim_strsave(str
);
14142 idvar
= get_tv_string_chk(&argvars
[2]);
14144 set_var(idvar
, &v
.di_tv
, FALSE
);
14145 vim_free(v
.di_tv
.vval
.v_string
);
14151 * "remote_expr()" function
14154 f_remote_expr(argvars
, rettv
)
14155 typval_T
*argvars UNUSED
;
14158 rettv
->v_type
= VAR_STRING
;
14159 rettv
->vval
.v_string
= NULL
;
14160 #ifdef FEAT_CLIENTSERVER
14161 remote_common(argvars
, rettv
, TRUE
);
14166 * "remote_foreground()" function
14169 f_remote_foreground(argvars
, rettv
)
14170 typval_T
*argvars UNUSED
;
14171 typval_T
*rettv UNUSED
;
14173 #ifdef FEAT_CLIENTSERVER
14175 /* On Win32 it's done in this application. */
14177 char_u
*server_name
= get_tv_string_chk(&argvars
[0]);
14179 if (server_name
!= NULL
)
14180 serverForeground(server_name
);
14182 # elif defined(FEAT_X11) || defined(MAC_CLIENTSERVER)
14183 /* Send a foreground() expression to the server. */
14184 argvars
[1].v_type
= VAR_STRING
;
14185 argvars
[1].vval
.v_string
= vim_strsave((char_u
*)"foreground()");
14186 argvars
[2].v_type
= VAR_UNKNOWN
;
14187 remote_common(argvars
, rettv
, TRUE
);
14188 vim_free(argvars
[1].vval
.v_string
);
14194 f_remote_peek(argvars
, rettv
)
14195 typval_T
*argvars UNUSED
;
14198 #ifdef FEAT_CLIENTSERVER
14206 if (check_restricted() || check_secure())
14208 rettv
->vval
.v_number
= -1;
14211 serverid
= get_tv_string_chk(&argvars
[0]);
14212 if (serverid
== NULL
)
14214 rettv
->vval
.v_number
= -1;
14215 return; /* type error; errmsg already given */
14218 sscanf(serverid
, SCANF_HEX_LONG_U
, &n
);
14220 rettv
->vval
.v_number
= -1;
14223 s
= serverGetReply((HWND
)n
, FALSE
, FALSE
, FALSE
);
14224 rettv
->vval
.v_number
= (s
!= NULL
);
14226 # elif defined(FEAT_X11)
14227 if (check_connection() == FAIL
)
14230 rettv
->vval
.v_number
= serverPeekReply(X_DISPLAY
,
14231 serverStrToWin(serverid
), &s
);
14232 # elif defined(MAC_CLIENTSERVER)
14233 rettv
->vval
.v_number
= serverPeekReply(serverStrToPort(serverid
), &s
);
14236 if (argvars
[1].v_type
!= VAR_UNKNOWN
&& rettv
->vval
.v_number
> 0)
14240 v
.di_tv
.v_type
= VAR_STRING
;
14241 v
.di_tv
.vval
.v_string
= vim_strsave(s
);
14242 retvar
= get_tv_string_chk(&argvars
[1]);
14243 if (retvar
!= NULL
)
14244 set_var(retvar
, &v
.di_tv
, FALSE
);
14245 vim_free(v
.di_tv
.vval
.v_string
);
14248 rettv
->vval
.v_number
= -1;
14253 f_remote_read(argvars
, rettv
)
14254 typval_T
*argvars UNUSED
;
14259 #ifdef FEAT_CLIENTSERVER
14260 char_u
*serverid
= get_tv_string_chk(&argvars
[0]);
14262 if (serverid
!= NULL
&& !check_restricted() && !check_secure())
14265 /* The server's HWND is encoded in the 'id' parameter */
14268 sscanf(serverid
, SCANF_HEX_LONG_U
, &n
);
14270 r
= serverGetReply((HWND
)n
, FALSE
, TRUE
, TRUE
);
14272 # elif defined(FEAT_X11)
14273 if (check_connection() == FAIL
|| serverReadReply(X_DISPLAY
,
14274 serverStrToWin(serverid
), &r
, FALSE
) < 0)
14275 # elif defined(MAC_CLIENTSERVER)
14276 if (serverReadReply(serverStrToPort(serverid
), &r
) < 0)
14278 EMSG(_("E277: Unable to read a server reply"));
14281 rettv
->v_type
= VAR_STRING
;
14282 rettv
->vval
.v_string
= r
;
14286 * "remote_send()" function
14289 f_remote_send(argvars
, rettv
)
14290 typval_T
*argvars UNUSED
;
14293 rettv
->v_type
= VAR_STRING
;
14294 rettv
->vval
.v_string
= NULL
;
14295 #ifdef FEAT_CLIENTSERVER
14296 remote_common(argvars
, rettv
, FALSE
);
14301 * "remove()" function
14304 f_remove(argvars
, rettv
)
14309 listitem_T
*item
, *item2
;
14317 if (argvars
[0].v_type
== VAR_DICT
)
14319 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
14320 EMSG2(_(e_toomanyarg
), "remove()");
14321 else if ((d
= argvars
[0].vval
.v_dict
) != NULL
14322 && !tv_check_lock(d
->dv_lock
, (char_u
*)"remove() argument"))
14324 key
= get_tv_string_chk(&argvars
[1]);
14327 di
= dict_find(d
, key
, -1);
14329 EMSG2(_(e_dictkey
), key
);
14332 *rettv
= di
->di_tv
;
14333 init_tv(&di
->di_tv
);
14334 dictitem_remove(d
, di
);
14339 else if (argvars
[0].v_type
!= VAR_LIST
)
14340 EMSG2(_(e_listdictarg
), "remove()");
14341 else if ((l
= argvars
[0].vval
.v_list
) != NULL
14342 && !tv_check_lock(l
->lv_lock
, (char_u
*)"remove() argument"))
14346 idx
= get_tv_number_chk(&argvars
[1], &error
);
14348 ; /* type error: do nothing, errmsg already given */
14349 else if ((item
= list_find(l
, idx
)) == NULL
)
14350 EMSGN(_(e_listidx
), idx
);
14353 if (argvars
[2].v_type
== VAR_UNKNOWN
)
14355 /* Remove one item, return its value. */
14356 list_remove(l
, item
, item
);
14357 *rettv
= item
->li_tv
;
14362 /* Remove range of items, return list with values. */
14363 end
= get_tv_number_chk(&argvars
[2], &error
);
14365 ; /* type error: do nothing */
14366 else if ((item2
= list_find(l
, end
)) == NULL
)
14367 EMSGN(_(e_listidx
), end
);
14372 for (li
= item
; li
!= NULL
; li
= li
->li_next
)
14378 if (li
== NULL
) /* didn't find "item2" after "item" */
14379 EMSG(_(e_invrange
));
14382 list_remove(l
, item
, item2
);
14383 if (rettv_list_alloc(rettv
) == OK
)
14385 l
= rettv
->vval
.v_list
;
14386 l
->lv_first
= item
;
14387 l
->lv_last
= item2
;
14388 item
->li_prev
= NULL
;
14389 item2
->li_next
= NULL
;
14400 * "rename({from}, {to})" function
14403 f_rename(argvars
, rettv
)
14407 char_u buf
[NUMBUFLEN
];
14409 if (check_restricted() || check_secure())
14410 rettv
->vval
.v_number
= -1;
14412 rettv
->vval
.v_number
= vim_rename(get_tv_string(&argvars
[0]),
14413 get_tv_string_buf(&argvars
[1], buf
));
14417 * "repeat()" function
14420 f_repeat(argvars
, rettv
)
14431 n
= get_tv_number(&argvars
[1]);
14432 if (argvars
[0].v_type
== VAR_LIST
)
14434 if (rettv_list_alloc(rettv
) == OK
&& argvars
[0].vval
.v_list
!= NULL
)
14436 if (list_extend(rettv
->vval
.v_list
,
14437 argvars
[0].vval
.v_list
, NULL
) == FAIL
)
14442 p
= get_tv_string(&argvars
[0]);
14443 rettv
->v_type
= VAR_STRING
;
14444 rettv
->vval
.v_string
= NULL
;
14446 slen
= (int)STRLEN(p
);
14451 r
= alloc(len
+ 1);
14454 for (i
= 0; i
< n
; i
++)
14455 mch_memmove(r
+ i
* slen
, p
, (size_t)slen
);
14459 rettv
->vval
.v_string
= r
;
14464 * "resolve()" function
14467 f_resolve(argvars
, rettv
)
14473 p
= get_tv_string(&argvars
[0]);
14474 #ifdef FEAT_SHORTCUT
14478 v
= mch_resolve_shortcut(p
);
14480 rettv
->vval
.v_string
= v
;
14482 rettv
->vval
.v_string
= vim_strsave(p
);
14485 # ifdef HAVE_READLINK
14487 char_u buf
[MAXPATHL
+ 1];
14490 char_u
*remain
= NULL
;
14492 int is_relative_to_current
= FALSE
;
14493 int has_trailing_pathsep
= FALSE
;
14496 p
= vim_strsave(p
);
14498 if (p
[0] == '.' && (vim_ispathsep(p
[1])
14499 || (p
[1] == '.' && (vim_ispathsep(p
[2])))))
14500 is_relative_to_current
= TRUE
;
14503 if (len
> 0 && after_pathsep(p
, p
+ len
))
14504 has_trailing_pathsep
= TRUE
;
14506 q
= getnextcomp(p
);
14509 /* Separate the first path component in "p", and keep the
14510 * remainder (beginning with the path separator). */
14511 remain
= vim_strsave(q
- 1);
14519 len
= readlink((char *)p
, (char *)buf
, MAXPATHL
);
14528 EMSG(_("E655: Too many symbolic links (cycle?)"));
14529 rettv
->vval
.v_string
= NULL
;
14533 /* Ensure that the result will have a trailing path separator
14534 * if the argument has one. */
14535 if (remain
== NULL
&& has_trailing_pathsep
)
14538 /* Separate the first path component in the link value and
14539 * concatenate the remainders. */
14540 q
= getnextcomp(vim_ispathsep(*buf
) ? buf
+ 1 : buf
);
14543 if (remain
== NULL
)
14544 remain
= vim_strsave(q
- 1);
14547 cpy
= concat_str(q
- 1, remain
);
14558 if (q
> p
&& *q
== NUL
)
14560 /* Ignore trailing path separator. */
14564 if (q
> p
&& !mch_isFullName(buf
))
14566 /* symlink is relative to directory of argument */
14567 cpy
= alloc((unsigned)(STRLEN(p
) + STRLEN(buf
) + 1));
14571 STRCPY(gettail(cpy
), buf
);
14579 p
= vim_strsave(buf
);
14583 if (remain
== NULL
)
14586 /* Append the first path component of "remain" to "p". */
14587 q
= getnextcomp(remain
+ 1);
14588 len
= q
- remain
- (*q
!= NUL
);
14589 cpy
= vim_strnsave(p
, STRLEN(p
) + len
);
14592 STRNCAT(cpy
, remain
, len
);
14596 /* Shorten "remain". */
14598 STRMOVE(remain
, q
- 1);
14606 /* If the result is a relative path name, make it explicitly relative to
14607 * the current directory if and only if the argument had this form. */
14608 if (!vim_ispathsep(*p
))
14610 if (is_relative_to_current
14614 || vim_ispathsep(p
[1])
14617 || vim_ispathsep(p
[2]))))))
14619 /* Prepend "./". */
14620 cpy
= concat_str((char_u
*)"./", p
);
14627 else if (!is_relative_to_current
)
14629 /* Strip leading "./". */
14631 while (q
[0] == '.' && vim_ispathsep(q
[1]))
14638 /* Ensure that the result will have no trailing path separator
14639 * if the argument had none. But keep "/" or "//". */
14640 if (!has_trailing_pathsep
)
14643 if (after_pathsep(p
, q
))
14644 *gettail_sep(p
) = NUL
;
14647 rettv
->vval
.v_string
= p
;
14650 rettv
->vval
.v_string
= vim_strsave(p
);
14654 simplify_filename(rettv
->vval
.v_string
);
14656 #ifdef HAVE_READLINK
14659 rettv
->v_type
= VAR_STRING
;
14663 * "reverse({list})" function
14666 f_reverse(argvars
, rettv
)
14671 listitem_T
*li
, *ni
;
14673 if (argvars
[0].v_type
!= VAR_LIST
)
14674 EMSG2(_(e_listarg
), "reverse()");
14675 else if ((l
= argvars
[0].vval
.v_list
) != NULL
14676 && !tv_check_lock(l
->lv_lock
, (char_u
*)"reverse()"))
14679 l
->lv_first
= l
->lv_last
= NULL
;
14684 list_append(l
, li
);
14687 rettv
->vval
.v_list
= l
;
14688 rettv
->v_type
= VAR_LIST
;
14690 l
->lv_idx
= l
->lv_len
- l
->lv_idx
- 1;
14694 #define SP_NOMOVE 0x01 /* don't move cursor */
14695 #define SP_REPEAT 0x02 /* repeat to find outer pair */
14696 #define SP_RETCOUNT 0x04 /* return matchcount */
14697 #define SP_SETPCMARK 0x08 /* set previous context mark */
14698 #define SP_START 0x10 /* accept match at start position */
14699 #define SP_SUBPAT 0x20 /* return nr of matching sub-pattern */
14700 #define SP_END 0x40 /* leave cursor at end of match */
14702 static int get_search_arg
__ARGS((typval_T
*varp
, int *flagsp
));
14705 * Get flags for a search function.
14706 * Possibly sets "p_ws".
14707 * Returns BACKWARD, FORWARD or zero (for an error).
14710 get_search_arg(varp
, flagsp
)
14716 char_u nbuf
[NUMBUFLEN
];
14719 if (varp
->v_type
!= VAR_UNKNOWN
)
14721 flags
= get_tv_string_buf_chk(varp
, nbuf
);
14723 return 0; /* type error; errmsg already given */
14724 while (*flags
!= NUL
)
14728 case 'b': dir
= BACKWARD
; break;
14729 case 'w': p_ws
= TRUE
; break;
14730 case 'W': p_ws
= FALSE
; break;
14732 if (flagsp
!= NULL
)
14735 case 'c': mask
= SP_START
; break;
14736 case 'e': mask
= SP_END
; break;
14737 case 'm': mask
= SP_RETCOUNT
; break;
14738 case 'n': mask
= SP_NOMOVE
; break;
14739 case 'p': mask
= SP_SUBPAT
; break;
14740 case 'r': mask
= SP_REPEAT
; break;
14741 case 's': mask
= SP_SETPCMARK
; break;
14745 EMSG2(_(e_invarg2
), flags
);
14760 * Shared by search() and searchpos() functions
14763 search_cmn(argvars
, match_pos
, flagsp
)
14772 int save_p_ws
= p_ws
;
14774 int retval
= 0; /* default: FAIL */
14775 long lnum_stop
= 0;
14777 #ifdef FEAT_RELTIME
14778 long time_limit
= 0;
14780 int options
= SEARCH_KEEP
;
14783 pat
= get_tv_string(&argvars
[0]);
14784 dir
= get_search_arg(&argvars
[1], flagsp
); /* may set p_ws */
14788 if (flags
& SP_START
)
14789 options
|= SEARCH_START
;
14790 if (flags
& SP_END
)
14791 options
|= SEARCH_END
;
14793 /* Optional arguments: line number to stop searching and timeout. */
14794 if (argvars
[1].v_type
!= VAR_UNKNOWN
&& argvars
[2].v_type
!= VAR_UNKNOWN
)
14796 lnum_stop
= get_tv_number_chk(&argvars
[2], NULL
);
14799 #ifdef FEAT_RELTIME
14800 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
14802 time_limit
= get_tv_number_chk(&argvars
[3], NULL
);
14803 if (time_limit
< 0)
14809 #ifdef FEAT_RELTIME
14810 /* Set the time limit, if there is one. */
14811 profile_setlimit(time_limit
, &tm
);
14815 * This function does not accept SP_REPEAT and SP_RETCOUNT flags.
14816 * Check to make sure only those flags are set.
14817 * Also, Only the SP_NOMOVE or the SP_SETPCMARK flag can be set. Both
14818 * flags cannot be set. Check for that condition also.
14820 if (((flags
& (SP_REPEAT
| SP_RETCOUNT
)) != 0)
14821 || ((flags
& SP_NOMOVE
) && (flags
& SP_SETPCMARK
)))
14823 EMSG2(_(e_invarg2
), get_tv_string(&argvars
[1]));
14827 pos
= save_cursor
= curwin
->w_cursor
;
14828 subpatnum
= searchit(curwin
, curbuf
, &pos
, dir
, pat
, 1L,
14829 options
, RE_SEARCH
, (linenr_T
)lnum_stop
, &tm
);
14830 if (subpatnum
!= FAIL
)
14832 if (flags
& SP_SUBPAT
)
14833 retval
= subpatnum
;
14836 if (flags
& SP_SETPCMARK
)
14838 curwin
->w_cursor
= pos
;
14839 if (match_pos
!= NULL
)
14841 /* Store the match cursor position */
14842 match_pos
->lnum
= pos
.lnum
;
14843 match_pos
->col
= pos
.col
+ 1;
14845 /* "/$" will put the cursor after the end of the line, may need to
14846 * correct that here */
14850 /* If 'n' flag is used: restore cursor position. */
14851 if (flags
& SP_NOMOVE
)
14852 curwin
->w_cursor
= save_cursor
;
14854 curwin
->w_set_curswant
= TRUE
;
14863 * "round({float})" function
14866 f_round(argvars
, rettv
)
14872 rettv
->v_type
= VAR_FLOAT
;
14873 if (get_float_arg(argvars
, &f
) == OK
)
14874 /* round() is not in C90, use ceil() or floor() instead. */
14875 rettv
->vval
.v_float
= f
> 0 ? floor(f
+ 0.5) : ceil(f
- 0.5);
14877 rettv
->vval
.v_float
= 0.0;
14882 * "search()" function
14885 f_search(argvars
, rettv
)
14891 rettv
->vval
.v_number
= search_cmn(argvars
, NULL
, &flags
);
14895 * "searchdecl()" function
14898 f_searchdecl(argvars
, rettv
)
14907 rettv
->vval
.v_number
= 1; /* default: FAIL */
14909 name
= get_tv_string_chk(&argvars
[0]);
14910 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
14912 locally
= get_tv_number_chk(&argvars
[1], &error
) == 0;
14913 if (!error
&& argvars
[2].v_type
!= VAR_UNKNOWN
)
14914 thisblock
= get_tv_number_chk(&argvars
[2], &error
) != 0;
14916 if (!error
&& name
!= NULL
)
14917 rettv
->vval
.v_number
= find_decl(name
, (int)STRLEN(name
),
14918 locally
, thisblock
, SEARCH_KEEP
) == FAIL
;
14922 * Used by searchpair() and searchpairpos()
14925 searchpair_cmn(argvars
, match_pos
)
14929 char_u
*spat
, *mpat
, *epat
;
14931 int save_p_ws
= p_ws
;
14934 char_u nbuf1
[NUMBUFLEN
];
14935 char_u nbuf2
[NUMBUFLEN
];
14936 char_u nbuf3
[NUMBUFLEN
];
14937 int retval
= 0; /* default: FAIL */
14938 long lnum_stop
= 0;
14939 long time_limit
= 0;
14941 /* Get the three pattern arguments: start, middle, end. */
14942 spat
= get_tv_string_chk(&argvars
[0]);
14943 mpat
= get_tv_string_buf_chk(&argvars
[1], nbuf1
);
14944 epat
= get_tv_string_buf_chk(&argvars
[2], nbuf2
);
14945 if (spat
== NULL
|| mpat
== NULL
|| epat
== NULL
)
14946 goto theend
; /* type error */
14948 /* Handle the optional fourth argument: flags */
14949 dir
= get_search_arg(&argvars
[3], &flags
); /* may set p_ws */
14953 /* Don't accept SP_END or SP_SUBPAT.
14954 * Only one of the SP_NOMOVE or SP_SETPCMARK flags can be set.
14956 if ((flags
& (SP_END
| SP_SUBPAT
)) != 0
14957 || ((flags
& SP_NOMOVE
) && (flags
& SP_SETPCMARK
)))
14959 EMSG2(_(e_invarg2
), get_tv_string(&argvars
[3]));
14963 /* Using 'r' implies 'W', otherwise it doesn't work. */
14964 if (flags
& SP_REPEAT
)
14967 /* Optional fifth argument: skip expression */
14968 if (argvars
[3].v_type
== VAR_UNKNOWN
14969 || argvars
[4].v_type
== VAR_UNKNOWN
)
14970 skip
= (char_u
*)"";
14973 skip
= get_tv_string_buf_chk(&argvars
[4], nbuf3
);
14974 if (argvars
[5].v_type
!= VAR_UNKNOWN
)
14976 lnum_stop
= get_tv_number_chk(&argvars
[5], NULL
);
14979 #ifdef FEAT_RELTIME
14980 if (argvars
[6].v_type
!= VAR_UNKNOWN
)
14982 time_limit
= get_tv_number_chk(&argvars
[6], NULL
);
14983 if (time_limit
< 0)
14990 goto theend
; /* type error */
14992 retval
= do_searchpair(spat
, mpat
, epat
, dir
, skip
, flags
,
14993 match_pos
, lnum_stop
, time_limit
);
15002 * "searchpair()" function
15005 f_searchpair(argvars
, rettv
)
15009 rettv
->vval
.v_number
= searchpair_cmn(argvars
, NULL
);
15013 * "searchpairpos()" function
15016 f_searchpairpos(argvars
, rettv
)
15024 if (rettv_list_alloc(rettv
) == FAIL
)
15027 if (searchpair_cmn(argvars
, &match_pos
) > 0)
15029 lnum
= match_pos
.lnum
;
15030 col
= match_pos
.col
;
15033 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)lnum
);
15034 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)col
);
15038 * Search for a start/middle/end thing.
15039 * Used by searchpair(), see its documentation for the details.
15040 * Returns 0 or -1 for no match,
15043 do_searchpair(spat
, mpat
, epat
, dir
, skip
, flags
, match_pos
,
15044 lnum_stop
, time_limit
)
15045 char_u
*spat
; /* start pattern */
15046 char_u
*mpat
; /* middle pattern */
15047 char_u
*epat
; /* end pattern */
15048 int dir
; /* BACKWARD or FORWARD */
15049 char_u
*skip
; /* skip expression */
15050 int flags
; /* SP_SETPCMARK and other SP_ values */
15052 linenr_T lnum_stop
; /* stop at this line if not zero */
15053 long time_limit
; /* stop after this many msec */
15056 char_u
*pat
, *pat2
= NULL
, *pat3
= NULL
;
15067 int options
= SEARCH_KEEP
;
15070 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
15072 p_cpo
= empty_option
;
15074 #ifdef FEAT_RELTIME
15075 /* Set the time limit, if there is one. */
15076 profile_setlimit(time_limit
, &tm
);
15079 /* Make two search patterns: start/end (pat2, for in nested pairs) and
15080 * start/middle/end (pat3, for the top pair). */
15081 pat2
= alloc((unsigned)(STRLEN(spat
) + STRLEN(epat
) + 15));
15082 pat3
= alloc((unsigned)(STRLEN(spat
) + STRLEN(mpat
) + STRLEN(epat
) + 23));
15083 if (pat2
== NULL
|| pat3
== NULL
)
15085 sprintf((char *)pat2
, "\\(%s\\m\\)\\|\\(%s\\m\\)", spat
, epat
);
15087 STRCPY(pat3
, pat2
);
15089 sprintf((char *)pat3
, "\\(%s\\m\\)\\|\\(%s\\m\\)\\|\\(%s\\m\\)",
15091 if (flags
& SP_START
)
15092 options
|= SEARCH_START
;
15094 save_cursor
= curwin
->w_cursor
;
15095 pos
= curwin
->w_cursor
;
15096 clearpos(&firstpos
);
15097 clearpos(&foundpos
);
15101 n
= searchit(curwin
, curbuf
, &pos
, dir
, pat
, 1L,
15102 options
, RE_SEARCH
, lnum_stop
, &tm
);
15103 if (n
== FAIL
|| (firstpos
.lnum
!= 0 && equalpos(pos
, firstpos
)))
15104 /* didn't find it or found the first match again: FAIL */
15107 if (firstpos
.lnum
== 0)
15109 if (equalpos(pos
, foundpos
))
15111 /* Found the same position again. Can happen with a pattern that
15112 * has "\zs" at the end and searching backwards. Advance one
15113 * character and try again. */
15114 if (dir
== BACKWARD
)
15121 /* clear the start flag to avoid getting stuck here */
15122 options
&= ~SEARCH_START
;
15124 /* If the skip pattern matches, ignore this match. */
15127 save_pos
= curwin
->w_cursor
;
15128 curwin
->w_cursor
= pos
;
15129 r
= eval_to_bool(skip
, &err
, NULL
, FALSE
);
15130 curwin
->w_cursor
= save_pos
;
15133 /* Evaluating {skip} caused an error, break here. */
15134 curwin
->w_cursor
= save_cursor
;
15142 if ((dir
== BACKWARD
&& n
== 3) || (dir
== FORWARD
&& n
== 2))
15144 /* Found end when searching backwards or start when searching
15145 * forward: nested pair. */
15147 pat
= pat2
; /* nested, don't search for middle */
15151 /* Found end when searching forward or start when searching
15152 * backward: end of (nested) pair; or found middle in outer pair. */
15154 pat
= pat3
; /* outer level, search for middle */
15159 /* Found the match: return matchcount or line number. */
15160 if (flags
& SP_RETCOUNT
)
15164 if (flags
& SP_SETPCMARK
)
15166 curwin
->w_cursor
= pos
;
15167 if (!(flags
& SP_REPEAT
))
15169 nest
= 1; /* search for next unmatched */
15173 if (match_pos
!= NULL
)
15175 /* Store the match cursor position */
15176 match_pos
->lnum
= curwin
->w_cursor
.lnum
;
15177 match_pos
->col
= curwin
->w_cursor
.col
+ 1;
15180 /* If 'n' flag is used or search failed: restore cursor position. */
15181 if ((flags
& SP_NOMOVE
) || retval
== 0)
15182 curwin
->w_cursor
= save_cursor
;
15187 if (p_cpo
== empty_option
)
15190 /* Darn, evaluating the {skip} expression changed the value. */
15191 free_string_option(save_cpo
);
15197 * "searchpos()" function
15200 f_searchpos(argvars
, rettv
)
15210 if (rettv_list_alloc(rettv
) == FAIL
)
15213 n
= search_cmn(argvars
, &match_pos
, &flags
);
15216 lnum
= match_pos
.lnum
;
15217 col
= match_pos
.col
;
15220 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)lnum
);
15221 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)col
);
15222 if (flags
& SP_SUBPAT
)
15223 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)n
);
15228 f_server2client(argvars
, rettv
)
15229 typval_T
*argvars UNUSED
;
15232 #ifdef FEAT_CLIENTSERVER
15233 char_u buf
[NUMBUFLEN
];
15234 char_u
*server
= get_tv_string_chk(&argvars
[0]);
15235 char_u
*reply
= get_tv_string_buf_chk(&argvars
[1], buf
);
15237 rettv
->vval
.v_number
= -1;
15238 if (server
== NULL
|| reply
== NULL
)
15240 if (check_restricted() || check_secure())
15243 if (check_connection() == FAIL
)
15247 if (serverSendReply(server
, reply
) < 0)
15249 EMSG(_("E258: Unable to send to client"));
15252 rettv
->vval
.v_number
= 0;
15254 rettv
->vval
.v_number
= -1;
15259 f_serverlist(argvars
, rettv
)
15260 typval_T
*argvars UNUSED
;
15265 #ifdef FEAT_CLIENTSERVER
15266 # if defined(WIN32) || defined(MAC_CLIENTSERVER)
15267 r
= serverGetVimNames();
15268 # elif defined(FEAT_X11)
15270 if (X_DISPLAY
!= NULL
)
15271 r
= serverGetVimNames(X_DISPLAY
);
15274 rettv
->v_type
= VAR_STRING
;
15275 rettv
->vval
.v_string
= r
;
15279 * "setbufvar()" function
15282 f_setbufvar(argvars
, rettv
)
15284 typval_T
*rettv UNUSED
;
15288 char_u
*varname
, *bufvarname
;
15290 char_u nbuf
[NUMBUFLEN
];
15292 if (check_restricted() || check_secure())
15294 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
15295 varname
= get_tv_string_chk(&argvars
[1]);
15296 buf
= get_buf_tv(&argvars
[0]);
15297 varp
= &argvars
[2];
15299 if (buf
!= NULL
&& varname
!= NULL
&& varp
!= NULL
)
15301 /* set curbuf to be our buf, temporarily */
15302 aucmd_prepbuf(&aco
, buf
);
15304 if (*varname
== '&')
15311 numval
= get_tv_number_chk(varp
, &error
);
15312 strval
= get_tv_string_buf_chk(varp
, nbuf
);
15313 if (!error
&& strval
!= NULL
)
15314 set_option_value(varname
, numval
, strval
, OPT_LOCAL
);
15318 bufvarname
= alloc((unsigned)STRLEN(varname
) + 3);
15319 if (bufvarname
!= NULL
)
15321 STRCPY(bufvarname
, "b:");
15322 STRCPY(bufvarname
+ 2, varname
);
15323 set_var(bufvarname
, varp
, TRUE
);
15324 vim_free(bufvarname
);
15328 /* reset notion of buffer */
15329 aucmd_restbuf(&aco
);
15334 * "setcmdpos()" function
15337 f_setcmdpos(argvars
, rettv
)
15341 int pos
= (int)get_tv_number(&argvars
[0]) - 1;
15344 rettv
->vval
.v_number
= set_cmdline_pos(pos
);
15348 * "setline()" function
15351 f_setline(argvars
, rettv
)
15356 char_u
*line
= NULL
;
15358 listitem_T
*li
= NULL
;
15360 linenr_T lcount
= curbuf
->b_ml
.ml_line_count
;
15362 lnum
= get_tv_lnum(&argvars
[0]);
15363 if (argvars
[1].v_type
== VAR_LIST
)
15365 l
= argvars
[1].vval
.v_list
;
15369 line
= get_tv_string_chk(&argvars
[1]);
15371 /* default result is zero == OK */
15376 /* list argument, get next string */
15379 line
= get_tv_string_chk(&li
->li_tv
);
15383 rettv
->vval
.v_number
= 1; /* FAIL */
15384 if (line
== NULL
|| lnum
< 1 || lnum
> curbuf
->b_ml
.ml_line_count
+ 1)
15386 if (lnum
<= curbuf
->b_ml
.ml_line_count
)
15388 /* existing line, replace it */
15389 if (u_savesub(lnum
) == OK
&& ml_replace(lnum
, line
, TRUE
) == OK
)
15391 changed_bytes(lnum
, 0);
15392 if (lnum
== curwin
->w_cursor
.lnum
)
15393 check_cursor_col();
15394 rettv
->vval
.v_number
= 0; /* OK */
15397 else if (added
> 0 || u_save(lnum
- 1, lnum
) == OK
)
15399 /* lnum is one past the last line, append the line */
15401 if (ml_append(lnum
- 1, line
, (colnr_T
)0, FALSE
) == OK
)
15402 rettv
->vval
.v_number
= 0; /* OK */
15405 if (l
== NULL
) /* only one string argument */
15411 appended_lines_mark(lcount
, added
);
15414 static void set_qf_ll_list
__ARGS((win_T
*wp
, typval_T
*list_arg
, typval_T
*action_arg
, typval_T
*rettv
));
15417 * Used by "setqflist()" and "setloclist()" functions
15420 set_qf_ll_list(wp
, list_arg
, action_arg
, rettv
)
15422 typval_T
*list_arg UNUSED
;
15423 typval_T
*action_arg UNUSED
;
15426 #ifdef FEAT_QUICKFIX
15431 rettv
->vval
.v_number
= -1;
15433 #ifdef FEAT_QUICKFIX
15434 if (list_arg
->v_type
!= VAR_LIST
)
15435 EMSG(_(e_listreq
));
15438 list_T
*l
= list_arg
->vval
.v_list
;
15440 if (action_arg
->v_type
== VAR_STRING
)
15442 act
= get_tv_string_chk(action_arg
);
15444 return; /* type error; errmsg already given */
15445 if (*act
== 'a' || *act
== 'r')
15449 if (l
!= NULL
&& set_errorlist(wp
, l
, action
) == OK
)
15450 rettv
->vval
.v_number
= 0;
15456 * "setloclist()" function
15459 f_setloclist(argvars
, rettv
)
15465 rettv
->vval
.v_number
= -1;
15467 win
= find_win_by_nr(&argvars
[0], NULL
);
15469 set_qf_ll_list(win
, &argvars
[1], &argvars
[2], rettv
);
15473 * "setmatches()" function
15476 f_setmatches(argvars
, rettv
)
15480 #ifdef FEAT_SEARCH_EXTRA
15485 rettv
->vval
.v_number
= -1;
15486 if (argvars
[0].v_type
!= VAR_LIST
)
15488 EMSG(_(e_listreq
));
15491 if ((l
= argvars
[0].vval
.v_list
) != NULL
)
15494 /* To some extent make sure that we are dealing with a list from
15495 * "getmatches()". */
15499 if (li
->li_tv
.v_type
!= VAR_DICT
15500 || (d
= li
->li_tv
.vval
.v_dict
) == NULL
)
15505 if (!(dict_find(d
, (char_u
*)"group", -1) != NULL
15506 && dict_find(d
, (char_u
*)"pattern", -1) != NULL
15507 && dict_find(d
, (char_u
*)"priority", -1) != NULL
15508 && dict_find(d
, (char_u
*)"id", -1) != NULL
))
15516 clear_matches(curwin
);
15520 d
= li
->li_tv
.vval
.v_dict
;
15521 match_add(curwin
, get_dict_string(d
, (char_u
*)"group", FALSE
),
15522 get_dict_string(d
, (char_u
*)"pattern", FALSE
),
15523 (int)get_dict_number(d
, (char_u
*)"priority"),
15524 (int)get_dict_number(d
, (char_u
*)"id"));
15527 rettv
->vval
.v_number
= 0;
15533 * "setpos()" function
15536 f_setpos(argvars
, rettv
)
15544 rettv
->vval
.v_number
= -1;
15545 name
= get_tv_string_chk(argvars
);
15548 if (list2fpos(&argvars
[1], &pos
, &fnum
) == OK
)
15551 if (name
[0] == '.' && name
[1] == NUL
)
15554 if (fnum
== curbuf
->b_fnum
)
15556 curwin
->w_cursor
= pos
;
15558 rettv
->vval
.v_number
= 0;
15563 else if (name
[0] == '\'' && name
[1] != NUL
&& name
[2] == NUL
)
15566 if (setmark_pos(name
[1], &pos
, fnum
) == OK
)
15567 rettv
->vval
.v_number
= 0;
15576 * "setqflist()" function
15579 f_setqflist(argvars
, rettv
)
15583 set_qf_ll_list(NULL
, &argvars
[0], &argvars
[1], rettv
);
15587 * "setreg()" function
15590 f_setreg(argvars
, rettv
)
15595 char_u
*strregname
;
15606 strregname
= get_tv_string_chk(argvars
);
15607 rettv
->vval
.v_number
= 1; /* FAIL is default */
15609 if (strregname
== NULL
)
15610 return; /* type error; errmsg already given */
15611 regname
= *strregname
;
15612 if (regname
== 0 || regname
== '@')
15614 else if (regname
== '=')
15617 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
15619 stropt
= get_tv_string_chk(&argvars
[2]);
15620 if (stropt
== NULL
)
15621 return; /* type error */
15622 for (; *stropt
!= NUL
; ++stropt
)
15625 case 'a': case 'A': /* append */
15628 case 'v': case 'c': /* character-wise selection */
15631 case 'V': case 'l': /* line-wise selection */
15635 case 'b': case Ctrl_V
: /* block-wise selection */
15636 yank_type
= MBLOCK
;
15637 if (VIM_ISDIGIT(stropt
[1]))
15640 block_len
= getdigits(&stropt
) - 1;
15648 strval
= get_tv_string_chk(&argvars
[1]);
15649 if (strval
!= NULL
)
15650 write_reg_contents_ex(regname
, strval
, -1,
15651 append
, yank_type
, block_len
);
15652 rettv
->vval
.v_number
= 0;
15656 * "settabwinvar()" function
15659 f_settabwinvar(argvars
, rettv
)
15663 setwinvar(argvars
, rettv
, 1);
15667 * "setwinvar()" function
15670 f_setwinvar(argvars
, rettv
)
15674 setwinvar(argvars
, rettv
, 0);
15678 * "setwinvar()" and "settabwinvar()" functions
15681 setwinvar(argvars
, rettv
, off
)
15683 typval_T
*rettv UNUSED
;
15687 #ifdef FEAT_WINDOWS
15688 win_T
*save_curwin
;
15689 tabpage_T
*save_curtab
;
15691 char_u
*varname
, *winvarname
;
15693 char_u nbuf
[NUMBUFLEN
];
15696 if (check_restricted() || check_secure())
15699 #ifdef FEAT_WINDOWS
15701 tp
= find_tabpage((int)get_tv_number_chk(&argvars
[0], NULL
));
15705 win
= find_win_by_nr(&argvars
[off
], tp
);
15706 varname
= get_tv_string_chk(&argvars
[off
+ 1]);
15707 varp
= &argvars
[off
+ 2];
15709 if (win
!= NULL
&& varname
!= NULL
&& varp
!= NULL
)
15711 #ifdef FEAT_WINDOWS
15712 /* set curwin to be our win, temporarily */
15713 save_curwin
= curwin
;
15714 save_curtab
= curtab
;
15715 goto_tabpage_tp(tp
);
15716 if (!win_valid(win
))
15719 curbuf
= curwin
->w_buffer
;
15722 if (*varname
== '&')
15729 numval
= get_tv_number_chk(varp
, &error
);
15730 strval
= get_tv_string_buf_chk(varp
, nbuf
);
15731 if (!error
&& strval
!= NULL
)
15732 set_option_value(varname
, numval
, strval
, OPT_LOCAL
);
15736 winvarname
= alloc((unsigned)STRLEN(varname
) + 3);
15737 if (winvarname
!= NULL
)
15739 STRCPY(winvarname
, "w:");
15740 STRCPY(winvarname
+ 2, varname
);
15741 set_var(winvarname
, varp
, TRUE
);
15742 vim_free(winvarname
);
15746 #ifdef FEAT_WINDOWS
15747 /* Restore current tabpage and window, if still valid (autocomands can
15748 * make them invalid). */
15749 if (valid_tabpage(save_curtab
))
15750 goto_tabpage_tp(save_curtab
);
15751 if (win_valid(save_curwin
))
15753 curwin
= save_curwin
;
15754 curbuf
= curwin
->w_buffer
;
15761 * "shellescape({string})" function
15764 f_shellescape(argvars
, rettv
)
15768 rettv
->vval
.v_string
= vim_strsave_shellescape(
15769 get_tv_string(&argvars
[0]), non_zero_arg(&argvars
[1]));
15770 rettv
->v_type
= VAR_STRING
;
15774 * "simplify()" function
15777 f_simplify(argvars
, rettv
)
15783 p
= get_tv_string(&argvars
[0]);
15784 rettv
->vval
.v_string
= vim_strsave(p
);
15785 simplify_filename(rettv
->vval
.v_string
); /* simplify in place */
15786 rettv
->v_type
= VAR_STRING
;
15794 f_sin(argvars
, rettv
)
15800 rettv
->v_type
= VAR_FLOAT
;
15801 if (get_float_arg(argvars
, &f
) == OK
)
15802 rettv
->vval
.v_float
= sin(f
);
15804 rettv
->vval
.v_float
= 0.0;
15809 #ifdef __BORLANDC__
15812 item_compare
__ARGS((const void *s1
, const void *s2
));
15814 #ifdef __BORLANDC__
15817 item_compare2
__ARGS((const void *s1
, const void *s2
));
15819 static int item_compare_ic
;
15820 static char_u
*item_compare_func
;
15821 static int item_compare_func_err
;
15822 #define ITEM_COMPARE_FAIL 999
15825 * Compare functions for f_sort() below.
15828 #ifdef __BORLANDC__
15831 item_compare(s1
, s2
)
15836 char_u
*tofree1
, *tofree2
;
15838 char_u numbuf1
[NUMBUFLEN
];
15839 char_u numbuf2
[NUMBUFLEN
];
15841 p1
= tv2string(&(*(listitem_T
**)s1
)->li_tv
, &tofree1
, numbuf1
, 0);
15842 p2
= tv2string(&(*(listitem_T
**)s2
)->li_tv
, &tofree2
, numbuf2
, 0);
15847 if (item_compare_ic
)
15848 res
= STRICMP(p1
, p2
);
15850 res
= STRCMP(p1
, p2
);
15857 #ifdef __BORLANDC__
15860 item_compare2(s1
, s2
)
15869 /* shortcut after failure in previous call; compare all items equal */
15870 if (item_compare_func_err
)
15873 /* copy the values. This is needed to be able to set v_lock to VAR_FIXED
15874 * in the copy without changing the original list items. */
15875 copy_tv(&(*(listitem_T
**)s1
)->li_tv
, &argv
[0]);
15876 copy_tv(&(*(listitem_T
**)s2
)->li_tv
, &argv
[1]);
15878 rettv
.v_type
= VAR_UNKNOWN
; /* clear_tv() uses this */
15879 res
= call_func(item_compare_func
, (int)STRLEN(item_compare_func
),
15880 &rettv
, 2, argv
, 0L, 0L, &dummy
, TRUE
, NULL
);
15881 clear_tv(&argv
[0]);
15882 clear_tv(&argv
[1]);
15885 res
= ITEM_COMPARE_FAIL
;
15887 res
= get_tv_number_chk(&rettv
, &item_compare_func_err
);
15888 if (item_compare_func_err
)
15889 res
= ITEM_COMPARE_FAIL
; /* return value has wrong type */
15895 * "sort({list})" function
15898 f_sort(argvars
, rettv
)
15908 if (argvars
[0].v_type
!= VAR_LIST
)
15909 EMSG2(_(e_listarg
), "sort()");
15912 l
= argvars
[0].vval
.v_list
;
15913 if (l
== NULL
|| tv_check_lock(l
->lv_lock
, (char_u
*)"sort()"))
15915 rettv
->vval
.v_list
= l
;
15916 rettv
->v_type
= VAR_LIST
;
15921 return; /* short list sorts pretty quickly */
15923 item_compare_ic
= FALSE
;
15924 item_compare_func
= NULL
;
15925 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
15927 if (argvars
[1].v_type
== VAR_FUNC
)
15928 item_compare_func
= argvars
[1].vval
.v_string
;
15933 i
= get_tv_number_chk(&argvars
[1], &error
);
15935 return; /* type error; errmsg already given */
15937 item_compare_ic
= TRUE
;
15939 item_compare_func
= get_tv_string(&argvars
[1]);
15943 /* Make an array with each entry pointing to an item in the List. */
15944 ptrs
= (listitem_T
**)alloc((int)(len
* sizeof(listitem_T
*)));
15948 for (li
= l
->lv_first
; li
!= NULL
; li
= li
->li_next
)
15951 item_compare_func_err
= FALSE
;
15952 /* test the compare function */
15953 if (item_compare_func
!= NULL
15954 && item_compare2((void *)&ptrs
[0], (void *)&ptrs
[1])
15955 == ITEM_COMPARE_FAIL
)
15956 EMSG(_("E702: Sort compare function failed"));
15959 /* Sort the array with item pointers. */
15960 qsort((void *)ptrs
, (size_t)len
, sizeof(listitem_T
*),
15961 item_compare_func
== NULL
? item_compare
: item_compare2
);
15963 if (!item_compare_func_err
)
15965 /* Clear the List and append the items in the sorted order. */
15966 l
->lv_first
= l
->lv_last
= l
->lv_idx_item
= NULL
;
15968 for (i
= 0; i
< len
; ++i
)
15969 list_append(l
, ptrs
[i
]);
15978 * "soundfold({word})" function
15981 f_soundfold(argvars
, rettv
)
15987 rettv
->v_type
= VAR_STRING
;
15988 s
= get_tv_string(&argvars
[0]);
15990 rettv
->vval
.v_string
= eval_soundfold(s
);
15992 rettv
->vval
.v_string
= vim_strsave(s
);
15997 * "spellbadword()" function
16000 f_spellbadword(argvars
, rettv
)
16001 typval_T
*argvars UNUSED
;
16004 char_u
*word
= (char_u
*)"";
16005 hlf_T attr
= HLF_COUNT
;
16008 if (rettv_list_alloc(rettv
) == FAIL
)
16012 if (argvars
[0].v_type
== VAR_UNKNOWN
)
16014 /* Find the start and length of the badly spelled word. */
16015 len
= spell_move_to(curwin
, FORWARD
, TRUE
, TRUE
, &attr
);
16017 word
= ml_get_cursor();
16019 else if (curwin
->w_p_spell
&& *curbuf
->b_p_spl
!= NUL
)
16021 char_u
*str
= get_tv_string_chk(&argvars
[0]);
16026 /* Check the argument for spelling. */
16027 while (*str
!= NUL
)
16029 len
= spell_check(curwin
, str
, &attr
, &capcol
, FALSE
);
16030 if (attr
!= HLF_COUNT
)
16041 list_append_string(rettv
->vval
.v_list
, word
, len
);
16042 list_append_string(rettv
->vval
.v_list
, (char_u
*)(
16043 attr
== HLF_SPB
? "bad" :
16044 attr
== HLF_SPR
? "rare" :
16045 attr
== HLF_SPL
? "local" :
16046 attr
== HLF_SPC
? "caps" :
16051 * "spellsuggest()" function
16054 f_spellsuggest(argvars
, rettv
)
16055 typval_T
*argvars UNUSED
;
16060 int typeerr
= FALSE
;
16065 int need_capital
= FALSE
;
16068 if (rettv_list_alloc(rettv
) == FAIL
)
16072 if (curwin
->w_p_spell
&& *curbuf
->b_p_spl
!= NUL
)
16074 str
= get_tv_string(&argvars
[0]);
16075 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
16077 maxcount
= get_tv_number_chk(&argvars
[1], &typeerr
);
16080 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16082 need_capital
= get_tv_number_chk(&argvars
[2], &typeerr
);
16090 spell_suggest_list(&ga
, str
, maxcount
, need_capital
, FALSE
);
16092 for (i
= 0; i
< ga
.ga_len
; ++i
)
16094 str
= ((char_u
**)ga
.ga_data
)[i
];
16096 li
= listitem_alloc();
16101 li
->li_tv
.v_type
= VAR_STRING
;
16102 li
->li_tv
.v_lock
= 0;
16103 li
->li_tv
.vval
.v_string
= str
;
16104 list_append(rettv
->vval
.v_list
, li
);
16113 f_split(argvars
, rettv
)
16119 char_u
*pat
= NULL
;
16120 regmatch_T regmatch
;
16121 char_u patbuf
[NUMBUFLEN
];
16125 int keepempty
= FALSE
;
16126 int typeerr
= FALSE
;
16128 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
16130 p_cpo
= (char_u
*)"";
16132 str
= get_tv_string(&argvars
[0]);
16133 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
16135 pat
= get_tv_string_buf_chk(&argvars
[1], patbuf
);
16138 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16139 keepempty
= get_tv_number_chk(&argvars
[2], &typeerr
);
16141 if (pat
== NULL
|| *pat
== NUL
)
16142 pat
= (char_u
*)"[\\x01- ]\\+";
16144 if (rettv_list_alloc(rettv
) == FAIL
)
16149 regmatch
.regprog
= vim_regcomp(pat
, RE_MAGIC
+ RE_STRING
);
16150 if (regmatch
.regprog
!= NULL
)
16152 regmatch
.rm_ic
= FALSE
;
16153 while (*str
!= NUL
|| keepempty
)
16156 match
= FALSE
; /* empty item at the end */
16158 match
= vim_regexec_nl(®match
, str
, col
);
16160 end
= regmatch
.startp
[0];
16162 end
= str
+ STRLEN(str
);
16163 if (keepempty
|| end
> str
|| (rettv
->vval
.v_list
->lv_len
> 0
16164 && *str
!= NUL
&& match
&& end
< regmatch
.endp
[0]))
16166 if (list_append_string(rettv
->vval
.v_list
, str
,
16167 (int)(end
- str
)) == FAIL
)
16172 /* Advance to just after the match. */
16173 if (regmatch
.endp
[0] > str
)
16177 /* Don't get stuck at the same match. */
16179 col
= (*mb_ptr2len
)(regmatch
.endp
[0]);
16184 str
= regmatch
.endp
[0];
16187 vim_free(regmatch
.regprog
);
16195 * "sqrt()" function
16198 f_sqrt(argvars
, rettv
)
16204 rettv
->v_type
= VAR_FLOAT
;
16205 if (get_float_arg(argvars
, &f
) == OK
)
16206 rettv
->vval
.v_float
= sqrt(f
);
16208 rettv
->vval
.v_float
= 0.0;
16212 * "str2float()" function
16215 f_str2float(argvars
, rettv
)
16219 char_u
*p
= skipwhite(get_tv_string(&argvars
[0]));
16222 p
= skipwhite(p
+ 1);
16223 (void)string2float(p
, &rettv
->vval
.v_float
);
16224 rettv
->v_type
= VAR_FLOAT
;
16229 * "str2nr()" function
16232 f_str2nr(argvars
, rettv
)
16240 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
16242 base
= get_tv_number(&argvars
[1]);
16243 if (base
!= 8 && base
!= 10 && base
!= 16)
16250 p
= skipwhite(get_tv_string(&argvars
[0]));
16252 p
= skipwhite(p
+ 1);
16253 vim_str2nr(p
, NULL
, NULL
, base
== 8 ? 2 : 0, base
== 16 ? 2 : 0, &n
, NULL
);
16254 rettv
->vval
.v_number
= n
;
16257 #ifdef HAVE_STRFTIME
16259 * "strftime({format}[, {time}])" function
16262 f_strftime(argvars
, rettv
)
16266 char_u result_buf
[256];
16267 struct tm
*curtime
;
16271 rettv
->v_type
= VAR_STRING
;
16273 p
= get_tv_string(&argvars
[0]);
16274 if (argvars
[1].v_type
== VAR_UNKNOWN
)
16275 seconds
= time(NULL
);
16277 seconds
= (time_t)get_tv_number(&argvars
[1]);
16278 curtime
= localtime(&seconds
);
16279 /* MSVC returns NULL for an invalid value of seconds. */
16280 if (curtime
== NULL
)
16281 rettv
->vval
.v_string
= vim_strsave((char_u
*)_("(Invalid)"));
16288 conv
.vc_type
= CONV_NONE
;
16289 enc
= enc_locale();
16290 convert_setup(&conv
, p_enc
, enc
);
16291 if (conv
.vc_type
!= CONV_NONE
)
16292 p
= string_convert(&conv
, p
, NULL
);
16295 (void)strftime((char *)result_buf
, sizeof(result_buf
),
16296 (char *)p
, curtime
);
16298 result_buf
[0] = NUL
;
16301 if (conv
.vc_type
!= CONV_NONE
)
16303 convert_setup(&conv
, enc
, p_enc
);
16304 if (conv
.vc_type
!= CONV_NONE
)
16305 rettv
->vval
.v_string
= string_convert(&conv
, result_buf
, NULL
);
16308 rettv
->vval
.v_string
= vim_strsave(result_buf
);
16311 /* Release conversion descriptors */
16312 convert_setup(&conv
, NULL
, NULL
);
16320 * "stridx()" function
16323 f_stridx(argvars
, rettv
)
16327 char_u buf
[NUMBUFLEN
];
16330 char_u
*save_haystack
;
16334 needle
= get_tv_string_chk(&argvars
[1]);
16335 save_haystack
= haystack
= get_tv_string_buf_chk(&argvars
[0], buf
);
16336 rettv
->vval
.v_number
= -1;
16337 if (needle
== NULL
|| haystack
== NULL
)
16338 return; /* type error; errmsg already given */
16340 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16344 start_idx
= get_tv_number_chk(&argvars
[2], &error
);
16345 if (error
|| start_idx
>= (int)STRLEN(haystack
))
16347 if (start_idx
>= 0)
16348 haystack
+= start_idx
;
16351 pos
= (char_u
*)strstr((char *)haystack
, (char *)needle
);
16353 rettv
->vval
.v_number
= (varnumber_T
)(pos
- save_haystack
);
16357 * "string()" function
16360 f_string(argvars
, rettv
)
16365 char_u numbuf
[NUMBUFLEN
];
16367 rettv
->v_type
= VAR_STRING
;
16368 rettv
->vval
.v_string
= tv2string(&argvars
[0], &tofree
, numbuf
, 0);
16369 /* Make a copy if we have a value but it's not in allocated memory. */
16370 if (rettv
->vval
.v_string
!= NULL
&& tofree
== NULL
)
16371 rettv
->vval
.v_string
= vim_strsave(rettv
->vval
.v_string
);
16375 * "strlen()" function
16378 f_strlen(argvars
, rettv
)
16382 rettv
->vval
.v_number
= (varnumber_T
)(STRLEN(
16383 get_tv_string(&argvars
[0])));
16387 * "strpart()" function
16390 f_strpart(argvars
, rettv
)
16400 p
= get_tv_string(&argvars
[0]);
16401 slen
= (int)STRLEN(p
);
16403 n
= get_tv_number_chk(&argvars
[1], &error
);
16406 else if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16407 len
= get_tv_number(&argvars
[2]);
16409 len
= slen
- n
; /* default len: all bytes that are available. */
16412 * Only return the overlap between the specified part and the actual
16424 else if (n
+ len
> slen
)
16427 rettv
->v_type
= VAR_STRING
;
16428 rettv
->vval
.v_string
= vim_strnsave(p
+ n
, len
);
16432 * "strridx()" function
16435 f_strridx(argvars
, rettv
)
16439 char_u buf
[NUMBUFLEN
];
16443 char_u
*lastmatch
= NULL
;
16444 int haystack_len
, end_idx
;
16446 needle
= get_tv_string_chk(&argvars
[1]);
16447 haystack
= get_tv_string_buf_chk(&argvars
[0], buf
);
16449 rettv
->vval
.v_number
= -1;
16450 if (needle
== NULL
|| haystack
== NULL
)
16451 return; /* type error; errmsg already given */
16453 haystack_len
= (int)STRLEN(haystack
);
16454 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16456 /* Third argument: upper limit for index */
16457 end_idx
= get_tv_number_chk(&argvars
[2], NULL
);
16459 return; /* can never find a match */
16462 end_idx
= haystack_len
;
16464 if (*needle
== NUL
)
16466 /* Empty string matches past the end. */
16467 lastmatch
= haystack
+ end_idx
;
16471 for (rest
= haystack
; *rest
!= '\0'; ++rest
)
16473 rest
= (char_u
*)strstr((char *)rest
, (char *)needle
);
16474 if (rest
== NULL
|| rest
> haystack
+ end_idx
)
16480 if (lastmatch
== NULL
)
16481 rettv
->vval
.v_number
= -1;
16483 rettv
->vval
.v_number
= (varnumber_T
)(lastmatch
- haystack
);
16487 * "strtrans()" function
16490 f_strtrans(argvars
, rettv
)
16494 rettv
->v_type
= VAR_STRING
;
16495 rettv
->vval
.v_string
= transstr(get_tv_string(&argvars
[0]));
16499 * "submatch()" function
16502 f_submatch(argvars
, rettv
)
16506 rettv
->v_type
= VAR_STRING
;
16507 rettv
->vval
.v_string
=
16508 reg_submatch((int)get_tv_number_chk(&argvars
[0], NULL
));
16512 * "substitute()" function
16515 f_substitute(argvars
, rettv
)
16519 char_u patbuf
[NUMBUFLEN
];
16520 char_u subbuf
[NUMBUFLEN
];
16521 char_u flagsbuf
[NUMBUFLEN
];
16523 char_u
*str
= get_tv_string_chk(&argvars
[0]);
16524 char_u
*pat
= get_tv_string_buf_chk(&argvars
[1], patbuf
);
16525 char_u
*sub
= get_tv_string_buf_chk(&argvars
[2], subbuf
);
16526 char_u
*flg
= get_tv_string_buf_chk(&argvars
[3], flagsbuf
);
16528 rettv
->v_type
= VAR_STRING
;
16529 if (str
== NULL
|| pat
== NULL
|| sub
== NULL
|| flg
== NULL
)
16530 rettv
->vval
.v_string
= NULL
;
16532 rettv
->vval
.v_string
= do_string_sub(str
, pat
, sub
, flg
);
16536 * "synID(lnum, col, trans)" function
16539 f_synID(argvars
, rettv
)
16540 typval_T
*argvars UNUSED
;
16548 int transerr
= FALSE
;
16550 lnum
= get_tv_lnum(argvars
); /* -1 on type error */
16551 col
= get_tv_number(&argvars
[1]) - 1; /* -1 on type error */
16552 trans
= get_tv_number_chk(&argvars
[2], &transerr
);
16554 if (!transerr
&& lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
16555 && col
>= 0 && col
< (long)STRLEN(ml_get(lnum
)))
16556 id
= syn_get_id(curwin
, lnum
, (colnr_T
)col
, trans
, NULL
, FALSE
);
16559 rettv
->vval
.v_number
= id
;
16563 * "synIDattr(id, what [, mode])" function
16566 f_synIDattr(argvars
, rettv
)
16567 typval_T
*argvars UNUSED
;
16575 char_u modebuf
[NUMBUFLEN
];
16578 id
= get_tv_number(&argvars
[0]);
16579 what
= get_tv_string(&argvars
[1]);
16580 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16582 mode
= get_tv_string_buf(&argvars
[2], modebuf
);
16583 modec
= TOLOWER_ASC(mode
[0]);
16584 if (modec
!= 't' && modec
!= 'c'
16589 modec
= 0; /* replace invalid with current */
16605 switch (TOLOWER_ASC(what
[0]))
16608 if (TOLOWER_ASC(what
[1]) == 'g') /* bg[#] */
16609 p
= highlight_color(id
, what
, modec
);
16611 p
= highlight_has_attr(id
, HL_BOLD
, modec
);
16614 case 'f': /* fg[#] */
16615 p
= highlight_color(id
, what
, modec
);
16619 if (TOLOWER_ASC(what
[1]) == 'n') /* inverse */
16620 p
= highlight_has_attr(id
, HL_INVERSE
, modec
);
16622 p
= highlight_has_attr(id
, HL_ITALIC
, modec
);
16625 case 'n': /* name */
16626 p
= get_highlight_name(NULL
, id
- 1);
16629 case 'r': /* reverse */
16630 p
= highlight_has_attr(id
, HL_INVERSE
, modec
);
16634 if (TOLOWER_ASC(what
[1]) == 'p') /* sp[#] */
16635 p
= highlight_color(id
, what
, modec
);
16636 else /* standout */
16637 p
= highlight_has_attr(id
, HL_STANDOUT
, modec
);
16641 if (STRLEN(what
) <= 5 || TOLOWER_ASC(what
[5]) != 'c')
16643 p
= highlight_has_attr(id
, HL_UNDERLINE
, modec
);
16646 p
= highlight_has_attr(id
, HL_UNDERCURL
, modec
);
16651 p
= vim_strsave(p
);
16653 rettv
->v_type
= VAR_STRING
;
16654 rettv
->vval
.v_string
= p
;
16658 * "synIDtrans(id)" function
16661 f_synIDtrans(argvars
, rettv
)
16662 typval_T
*argvars UNUSED
;
16668 id
= get_tv_number(&argvars
[0]);
16671 id
= syn_get_final_id(id
);
16676 rettv
->vval
.v_number
= id
;
16680 * "synstack(lnum, col)" function
16683 f_synstack(argvars
, rettv
)
16684 typval_T
*argvars UNUSED
;
16694 rettv
->v_type
= VAR_LIST
;
16695 rettv
->vval
.v_list
= NULL
;
16698 lnum
= get_tv_lnum(argvars
); /* -1 on type error */
16699 col
= get_tv_number(&argvars
[1]) - 1; /* -1 on type error */
16701 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
16702 && col
>= 0 && (col
== 0 || col
< (long)STRLEN(ml_get(lnum
)))
16703 && rettv_list_alloc(rettv
) != FAIL
)
16705 (void)syn_get_id(curwin
, lnum
, (colnr_T
)col
, FALSE
, NULL
, TRUE
);
16708 id
= syn_get_stack_item(i
);
16711 if (list_append_number(rettv
->vval
.v_list
, id
) == FAIL
)
16719 * "system()" function
16722 f_system(argvars
, rettv
)
16726 char_u
*res
= NULL
;
16728 char_u
*infile
= NULL
;
16729 char_u buf
[NUMBUFLEN
];
16733 if (check_restricted() || check_secure())
16736 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
16739 * Write the string to a temp file, to be used for input of the shell
16742 if ((infile
= vim_tempname('i')) == NULL
)
16748 fd
= mch_fopen((char *)infile
, WRITEBIN
);
16751 EMSG2(_(e_notopen
), infile
);
16754 p
= get_tv_string_buf_chk(&argvars
[1], buf
);
16758 goto done
; /* type error; errmsg already given */
16760 if (fwrite(p
, STRLEN(p
), 1, fd
) != 1)
16762 if (fclose(fd
) != 0)
16766 EMSG(_("E677: Error writing temp file"));
16771 res
= get_cmd_output(get_tv_string(&argvars
[0]), infile
,
16772 SHELL_SILENT
| SHELL_COOKED
);
16775 /* translate <CR> into <NL> */
16780 for (s
= res
; *s
; ++s
)
16788 /* translate <CR><NL> into <NL> */
16794 for (s
= res
; *s
; ++s
)
16796 if (s
[0] == CAR
&& s
[1] == NL
)
16806 if (infile
!= NULL
)
16808 mch_remove(infile
);
16811 rettv
->v_type
= VAR_STRING
;
16812 rettv
->vval
.v_string
= res
;
16816 * "tabpagebuflist()" function
16819 f_tabpagebuflist(argvars
, rettv
)
16820 typval_T
*argvars UNUSED
;
16821 typval_T
*rettv UNUSED
;
16823 #ifdef FEAT_WINDOWS
16827 if (argvars
[0].v_type
== VAR_UNKNOWN
)
16831 tp
= find_tabpage((int)get_tv_number(&argvars
[0]));
16833 wp
= (tp
== curtab
) ? firstwin
: tp
->tp_firstwin
;
16835 if (wp
!= NULL
&& rettv_list_alloc(rettv
) != FAIL
)
16837 for (; wp
!= NULL
; wp
= wp
->w_next
)
16838 if (list_append_number(rettv
->vval
.v_list
,
16839 wp
->w_buffer
->b_fnum
) == FAIL
)
16847 * "tabpagenr()" function
16850 f_tabpagenr(argvars
, rettv
)
16851 typval_T
*argvars UNUSED
;
16855 #ifdef FEAT_WINDOWS
16858 if (argvars
[0].v_type
!= VAR_UNKNOWN
)
16860 arg
= get_tv_string_chk(&argvars
[0]);
16864 if (STRCMP(arg
, "$") == 0)
16865 nr
= tabpage_index(NULL
) - 1;
16867 EMSG2(_(e_invexpr2
), arg
);
16871 nr
= tabpage_index(curtab
);
16873 rettv
->vval
.v_number
= nr
;
16877 #ifdef FEAT_WINDOWS
16878 static int get_winnr
__ARGS((tabpage_T
*tp
, typval_T
*argvar
));
16881 * Common code for tabpagewinnr() and winnr().
16884 get_winnr(tp
, argvar
)
16893 twin
= (tp
== curtab
) ? curwin
: tp
->tp_curwin
;
16894 if (argvar
->v_type
!= VAR_UNKNOWN
)
16896 arg
= get_tv_string_chk(argvar
);
16898 nr
= 0; /* type error; errmsg already given */
16899 else if (STRCMP(arg
, "$") == 0)
16900 twin
= (tp
== curtab
) ? lastwin
: tp
->tp_lastwin
;
16901 else if (STRCMP(arg
, "#") == 0)
16903 twin
= (tp
== curtab
) ? prevwin
: tp
->tp_prevwin
;
16909 EMSG2(_(e_invexpr2
), arg
);
16915 for (wp
= (tp
== curtab
) ? firstwin
: tp
->tp_firstwin
;
16916 wp
!= twin
; wp
= wp
->w_next
)
16920 /* didn't find it in this tabpage */
16931 * "tabpagewinnr()" function
16934 f_tabpagewinnr(argvars
, rettv
)
16935 typval_T
*argvars UNUSED
;
16939 #ifdef FEAT_WINDOWS
16942 tp
= find_tabpage((int)get_tv_number(&argvars
[0]));
16946 nr
= get_winnr(tp
, &argvars
[1]);
16948 rettv
->vval
.v_number
= nr
;
16953 * "tagfiles()" function
16956 f_tagfiles(argvars
, rettv
)
16957 typval_T
*argvars UNUSED
;
16960 char_u fname
[MAXPATHL
+ 1];
16964 if (rettv_list_alloc(rettv
) == FAIL
)
16967 for (first
= TRUE
; ; first
= FALSE
)
16968 if (get_tagfname(&tn
, first
, fname
) == FAIL
16969 || list_append_string(rettv
->vval
.v_list
, fname
, -1) == FAIL
)
16975 * "taglist()" function
16978 f_taglist(argvars
, rettv
)
16982 char_u
*tag_pattern
;
16984 tag_pattern
= get_tv_string(&argvars
[0]);
16986 rettv
->vval
.v_number
= FALSE
;
16987 if (*tag_pattern
== NUL
)
16990 if (rettv_list_alloc(rettv
) == OK
)
16991 (void)get_tags(rettv
->vval
.v_list
, tag_pattern
);
16995 * "tempname()" function
16998 f_tempname(argvars
, rettv
)
16999 typval_T
*argvars UNUSED
;
17002 static int x
= 'A';
17004 rettv
->v_type
= VAR_STRING
;
17005 rettv
->vval
.v_string
= vim_tempname(x
);
17007 /* Advance 'x' to use A-Z and 0-9, so that there are at least 34 different
17008 * names. Skip 'I' and 'O', they are used for shell redirection. */
17026 } while (x
== 'I' || x
== 'O');
17030 * "test(list)" function: Just checking the walls...
17033 f_test(argvars
, rettv
)
17034 typval_T
*argvars UNUSED
;
17035 typval_T
*rettv UNUSED
;
17037 /* Used for unit testing. Change the code below to your liking. */
17041 char_u
*bad
, *good
;
17043 if (argvars
[0].v_type
!= VAR_LIST
)
17045 l
= argvars
[0].vval
.v_list
;
17051 bad
= get_tv_string(&li
->li_tv
);
17055 good
= get_tv_string(&li
->li_tv
);
17056 rettv
->vval
.v_number
= test_edit_score(bad
, good
);
17061 * "tolower(string)" function
17064 f_tolower(argvars
, rettv
)
17070 p
= vim_strsave(get_tv_string(&argvars
[0]));
17071 rettv
->v_type
= VAR_STRING
;
17072 rettv
->vval
.v_string
= p
;
17084 c
= utf_ptr2char(p
);
17085 lc
= utf_tolower(c
);
17086 l
= utf_ptr2len(p
);
17087 /* TODO: reallocate string when byte count changes. */
17088 if (utf_char2len(lc
) == l
)
17089 utf_char2bytes(lc
, p
);
17092 else if (has_mbyte
&& (l
= (*mb_ptr2len
)(p
)) > 1)
17093 p
+= l
; /* skip multi-byte character */
17097 *p
= TOLOWER_LOC(*p
); /* note that tolower() can be a macro */
17104 * "toupper(string)" function
17107 f_toupper(argvars
, rettv
)
17111 rettv
->v_type
= VAR_STRING
;
17112 rettv
->vval
.v_string
= strup_save(get_tv_string(&argvars
[0]));
17116 * "tr(string, fromstr, tostr)" function
17119 f_tr(argvars
, rettv
)
17136 char_u buf
[NUMBUFLEN
];
17137 char_u buf2
[NUMBUFLEN
];
17140 instr
= get_tv_string(&argvars
[0]);
17141 fromstr
= get_tv_string_buf_chk(&argvars
[1], buf
);
17142 tostr
= get_tv_string_buf_chk(&argvars
[2], buf2
);
17144 /* Default return value: empty string. */
17145 rettv
->v_type
= VAR_STRING
;
17146 rettv
->vval
.v_string
= NULL
;
17147 if (fromstr
== NULL
|| tostr
== NULL
)
17148 return; /* type error; errmsg already given */
17149 ga_init2(&ga
, (int)sizeof(char), 80);
17154 /* not multi-byte: fromstr and tostr must be the same length */
17155 if (STRLEN(fromstr
) != STRLEN(tostr
))
17160 EMSG2(_(e_invarg2
), fromstr
);
17165 /* fromstr and tostr have to contain the same number of chars */
17166 while (*instr
!= NUL
)
17171 inlen
= (*mb_ptr2len
)(instr
);
17175 for (p
= fromstr
; *p
!= NUL
; p
+= fromlen
)
17177 fromlen
= (*mb_ptr2len
)(p
);
17178 if (fromlen
== inlen
&& STRNCMP(instr
, p
, inlen
) == 0)
17180 for (p
= tostr
; *p
!= NUL
; p
+= tolen
)
17182 tolen
= (*mb_ptr2len
)(p
);
17190 if (*p
== NUL
) /* tostr is shorter than fromstr */
17197 if (first
&& cpstr
== instr
)
17199 /* Check that fromstr and tostr have the same number of
17200 * (multi-byte) characters. Done only once when a character
17201 * of instr doesn't appear in fromstr. */
17203 for (p
= tostr
; *p
!= NUL
; p
+= tolen
)
17205 tolen
= (*mb_ptr2len
)(p
);
17212 ga_grow(&ga
, cplen
);
17213 mch_memmove((char *)ga
.ga_data
+ ga
.ga_len
, cpstr
, (size_t)cplen
);
17214 ga
.ga_len
+= cplen
;
17221 /* When not using multi-byte chars we can do it faster. */
17222 p
= vim_strchr(fromstr
, *instr
);
17224 ga_append(&ga
, tostr
[p
- fromstr
]);
17226 ga_append(&ga
, *instr
);
17231 /* add a terminating NUL */
17233 ga_append(&ga
, NUL
);
17235 rettv
->vval
.v_string
= ga
.ga_data
;
17240 * "trunc({float})" function
17243 f_trunc(argvars
, rettv
)
17249 rettv
->v_type
= VAR_FLOAT
;
17250 if (get_float_arg(argvars
, &f
) == OK
)
17251 /* trunc() is not in C90, use floor() or ceil() instead. */
17252 rettv
->vval
.v_float
= f
> 0 ? floor(f
) : ceil(f
);
17254 rettv
->vval
.v_float
= 0.0;
17259 * "type(expr)" function
17262 f_type(argvars
, rettv
)
17268 switch (argvars
[0].v_type
)
17270 case VAR_NUMBER
: n
= 0; break;
17271 case VAR_STRING
: n
= 1; break;
17272 case VAR_FUNC
: n
= 2; break;
17273 case VAR_LIST
: n
= 3; break;
17274 case VAR_DICT
: n
= 4; break;
17276 case VAR_FLOAT
: n
= 5; break;
17278 default: EMSG2(_(e_intern2
), "f_type()"); n
= 0; break;
17280 rettv
->vval
.v_number
= n
;
17284 * "values(dict)" function
17287 f_values(argvars
, rettv
)
17291 dict_list(argvars
, rettv
, 1);
17295 * "virtcol(string)" function
17298 f_virtcol(argvars
, rettv
)
17304 int fnum
= curbuf
->b_fnum
;
17306 fp
= var2fpos(&argvars
[0], FALSE
, &fnum
);
17307 if (fp
!= NULL
&& fp
->lnum
<= curbuf
->b_ml
.ml_line_count
17308 && fnum
== curbuf
->b_fnum
)
17310 getvvcol(curwin
, fp
, NULL
, NULL
, &vcol
);
17314 rettv
->vval
.v_number
= vcol
;
17318 * "visualmode()" function
17321 f_visualmode(argvars
, rettv
)
17322 typval_T
*argvars UNUSED
;
17323 typval_T
*rettv UNUSED
;
17328 rettv
->v_type
= VAR_STRING
;
17329 str
[0] = curbuf
->b_visual_mode_eval
;
17331 rettv
->vval
.v_string
= vim_strsave(str
);
17333 /* A non-zero number or non-empty string argument: reset mode. */
17334 if (non_zero_arg(&argvars
[0]))
17335 curbuf
->b_visual_mode_eval
= NUL
;
17340 * "winbufnr(nr)" function
17343 f_winbufnr(argvars
, rettv
)
17349 wp
= find_win_by_nr(&argvars
[0], NULL
);
17351 rettv
->vval
.v_number
= -1;
17353 rettv
->vval
.v_number
= wp
->w_buffer
->b_fnum
;
17357 * "wincol()" function
17360 f_wincol(argvars
, rettv
)
17361 typval_T
*argvars UNUSED
;
17365 rettv
->vval
.v_number
= curwin
->w_wcol
+ 1;
17369 * "winheight(nr)" function
17372 f_winheight(argvars
, rettv
)
17378 wp
= find_win_by_nr(&argvars
[0], NULL
);
17380 rettv
->vval
.v_number
= -1;
17382 rettv
->vval
.v_number
= wp
->w_height
;
17386 * "winline()" function
17389 f_winline(argvars
, rettv
)
17390 typval_T
*argvars UNUSED
;
17394 rettv
->vval
.v_number
= curwin
->w_wrow
+ 1;
17398 * "winnr()" function
17401 f_winnr(argvars
, rettv
)
17402 typval_T
*argvars UNUSED
;
17407 #ifdef FEAT_WINDOWS
17408 nr
= get_winnr(curtab
, &argvars
[0]);
17410 rettv
->vval
.v_number
= nr
;
17414 * "winrestcmd()" function
17417 f_winrestcmd(argvars
, rettv
)
17418 typval_T
*argvars UNUSED
;
17421 #ifdef FEAT_WINDOWS
17427 ga_init2(&ga
, (int)sizeof(char), 70);
17428 for (wp
= firstwin
; wp
!= NULL
; wp
= wp
->w_next
)
17430 sprintf((char *)buf
, "%dresize %d|", winnr
, wp
->w_height
);
17431 ga_concat(&ga
, buf
);
17432 # ifdef FEAT_VERTSPLIT
17433 sprintf((char *)buf
, "vert %dresize %d|", winnr
, wp
->w_width
);
17434 ga_concat(&ga
, buf
);
17438 ga_append(&ga
, NUL
);
17440 rettv
->vval
.v_string
= ga
.ga_data
;
17442 rettv
->vval
.v_string
= NULL
;
17444 rettv
->v_type
= VAR_STRING
;
17448 * "winrestview()" function
17451 f_winrestview(argvars
, rettv
)
17453 typval_T
*rettv UNUSED
;
17457 if (argvars
[0].v_type
!= VAR_DICT
17458 || (dict
= argvars
[0].vval
.v_dict
) == NULL
)
17462 curwin
->w_cursor
.lnum
= get_dict_number(dict
, (char_u
*)"lnum");
17463 curwin
->w_cursor
.col
= get_dict_number(dict
, (char_u
*)"col");
17464 #ifdef FEAT_VIRTUALEDIT
17465 curwin
->w_cursor
.coladd
= get_dict_number(dict
, (char_u
*)"coladd");
17467 curwin
->w_curswant
= get_dict_number(dict
, (char_u
*)"curswant");
17468 curwin
->w_set_curswant
= FALSE
;
17470 set_topline(curwin
, get_dict_number(dict
, (char_u
*)"topline"));
17472 curwin
->w_topfill
= get_dict_number(dict
, (char_u
*)"topfill");
17474 curwin
->w_leftcol
= get_dict_number(dict
, (char_u
*)"leftcol");
17475 curwin
->w_skipcol
= get_dict_number(dict
, (char_u
*)"skipcol");
17478 changed_cline_bef_curs();
17479 invalidate_botline();
17480 redraw_later(VALID
);
17482 if (curwin
->w_topline
== 0)
17483 curwin
->w_topline
= 1;
17484 if (curwin
->w_topline
> curbuf
->b_ml
.ml_line_count
)
17485 curwin
->w_topline
= curbuf
->b_ml
.ml_line_count
;
17487 check_topfill(curwin
, TRUE
);
17493 * "winsaveview()" function
17496 f_winsaveview(argvars
, rettv
)
17497 typval_T
*argvars UNUSED
;
17502 dict
= dict_alloc();
17505 rettv
->v_type
= VAR_DICT
;
17506 rettv
->vval
.v_dict
= dict
;
17507 ++dict
->dv_refcount
;
17509 dict_add_nr_str(dict
, "lnum", (long)curwin
->w_cursor
.lnum
, NULL
);
17510 dict_add_nr_str(dict
, "col", (long)curwin
->w_cursor
.col
, NULL
);
17511 #ifdef FEAT_VIRTUALEDIT
17512 dict_add_nr_str(dict
, "coladd", (long)curwin
->w_cursor
.coladd
, NULL
);
17515 dict_add_nr_str(dict
, "curswant", (long)curwin
->w_curswant
, NULL
);
17517 dict_add_nr_str(dict
, "topline", (long)curwin
->w_topline
, NULL
);
17519 dict_add_nr_str(dict
, "topfill", (long)curwin
->w_topfill
, NULL
);
17521 dict_add_nr_str(dict
, "leftcol", (long)curwin
->w_leftcol
, NULL
);
17522 dict_add_nr_str(dict
, "skipcol", (long)curwin
->w_skipcol
, NULL
);
17526 * "winwidth(nr)" function
17529 f_winwidth(argvars
, rettv
)
17535 wp
= find_win_by_nr(&argvars
[0], NULL
);
17537 rettv
->vval
.v_number
= -1;
17539 #ifdef FEAT_VERTSPLIT
17540 rettv
->vval
.v_number
= wp
->w_width
;
17542 rettv
->vval
.v_number
= Columns
;
17547 * "writefile()" function
17550 f_writefile(argvars
, rettv
)
17554 int binary
= FALSE
;
17562 if (check_restricted() || check_secure())
17565 if (argvars
[0].v_type
!= VAR_LIST
)
17567 EMSG2(_(e_listarg
), "writefile()");
17570 if (argvars
[0].vval
.v_list
== NULL
)
17573 if (argvars
[2].v_type
!= VAR_UNKNOWN
17574 && STRCMP(get_tv_string(&argvars
[2]), "b") == 0)
17577 /* Always open the file in binary mode, library functions have a mind of
17578 * their own about CR-LF conversion. */
17579 fname
= get_tv_string(&argvars
[1]);
17580 if (*fname
== NUL
|| (fd
= mch_fopen((char *)fname
, WRITEBIN
)) == NULL
)
17582 EMSG2(_(e_notcreate
), *fname
== NUL
? (char_u
*)_("<empty>") : fname
);
17587 for (li
= argvars
[0].vval
.v_list
->lv_first
; li
!= NULL
;
17590 for (s
= get_tv_string(&li
->li_tv
); *s
!= NUL
; ++s
)
17602 if (!binary
|| li
->li_next
!= NULL
)
17603 if (putc('\n', fd
) == EOF
)
17617 rettv
->vval
.v_number
= ret
;
17621 * Translate a String variable into a position.
17622 * Returns NULL when there is an error.
17625 var2fpos(varp
, dollar_lnum
, fnum
)
17627 int dollar_lnum
; /* TRUE when $ is last line */
17628 int *fnum
; /* set to fnum for '0, 'A, etc. */
17634 /* Argument can be [lnum, col, coladd]. */
17635 if (varp
->v_type
== VAR_LIST
)
17642 l
= varp
->vval
.v_list
;
17646 /* Get the line number */
17647 pos
.lnum
= list_find_nr(l
, 0L, &error
);
17648 if (error
|| pos
.lnum
<= 0 || pos
.lnum
> curbuf
->b_ml
.ml_line_count
)
17649 return NULL
; /* invalid line number */
17651 /* Get the column number */
17652 pos
.col
= list_find_nr(l
, 1L, &error
);
17655 len
= (long)STRLEN(ml_get(pos
.lnum
));
17657 /* We accept "$" for the column number: last column. */
17658 li
= list_find(l
, 1L);
17659 if (li
!= NULL
&& li
->li_tv
.v_type
== VAR_STRING
17660 && li
->li_tv
.vval
.v_string
!= NULL
17661 && STRCMP(li
->li_tv
.vval
.v_string
, "$") == 0)
17664 /* Accept a position up to the NUL after the line. */
17665 if (pos
.col
== 0 || (int)pos
.col
> len
+ 1)
17666 return NULL
; /* invalid column number */
17669 #ifdef FEAT_VIRTUALEDIT
17670 /* Get the virtual offset. Defaults to zero. */
17671 pos
.coladd
= list_find_nr(l
, 2L, &error
);
17679 name
= get_tv_string_chk(varp
);
17682 if (name
[0] == '.') /* cursor */
17683 return &curwin
->w_cursor
;
17685 if (name
[0] == 'v' && name
[1] == NUL
) /* Visual start */
17689 return &curwin
->w_cursor
;
17692 if (name
[0] == '\'') /* mark */
17694 pp
= getmark_fnum(name
[1], FALSE
, fnum
);
17695 if (pp
== NULL
|| pp
== (pos_T
*)-1 || pp
->lnum
<= 0)
17700 #ifdef FEAT_VIRTUALEDIT
17704 if (name
[0] == 'w' && dollar_lnum
)
17707 if (name
[1] == '0') /* "w0": first visible line */
17710 pos
.lnum
= curwin
->w_topline
;
17713 else if (name
[1] == '$') /* "w$": last visible line */
17715 validate_botline();
17716 pos
.lnum
= curwin
->w_botline
- 1;
17720 else if (name
[0] == '$') /* last column or line */
17724 pos
.lnum
= curbuf
->b_ml
.ml_line_count
;
17729 pos
.lnum
= curwin
->w_cursor
.lnum
;
17730 pos
.col
= (colnr_T
)STRLEN(ml_get_curline());
17738 * Convert list in "arg" into a position and optional file number.
17739 * When "fnump" is NULL there is no file number, only 3 items.
17740 * Note that the column is passed on as-is, the caller may want to decrement
17741 * it to use 1 for the first column.
17742 * Return FAIL when conversion is not possible, doesn't check the position for
17746 list2fpos(arg
, posp
, fnump
)
17751 list_T
*l
= arg
->vval
.v_list
;
17755 /* List must be: [fnum, lnum, col, coladd], where "fnum" is only there
17756 * when "fnump" isn't NULL and "coladd" is optional. */
17757 if (arg
->v_type
!= VAR_LIST
17759 || l
->lv_len
< (fnump
== NULL
? 2 : 3)
17760 || l
->lv_len
> (fnump
== NULL
? 3 : 4))
17765 n
= list_find_nr(l
, i
++, NULL
); /* fnum */
17769 n
= curbuf
->b_fnum
; /* current buffer */
17773 n
= list_find_nr(l
, i
++, NULL
); /* lnum */
17778 n
= list_find_nr(l
, i
++, NULL
); /* col */
17783 #ifdef FEAT_VIRTUALEDIT
17784 n
= list_find_nr(l
, i
, NULL
);
17795 * Get the length of an environment variable name.
17796 * Advance "arg" to the first character after the name.
17797 * Return 0 for error.
17806 for (p
= *arg
; vim_isIDc(*p
); ++p
)
17808 if (p
== *arg
) /* no name found */
17811 len
= (int)(p
- *arg
);
17817 * Get the length of the name of a function or internal variable.
17818 * "arg" is advanced to the first non-white character after the name.
17819 * Return 0 if something is wrong.
17828 /* Find the end of the name. */
17829 for (p
= *arg
; eval_isnamec(*p
); ++p
)
17831 if (p
== *arg
) /* no name found */
17834 len
= (int)(p
- *arg
);
17835 *arg
= skipwhite(p
);
17841 * Get the length of the name of a variable or function.
17842 * Only the name is recognized, does not handle ".key" or "[idx]".
17843 * "arg" is advanced to the first non-white character after the name.
17844 * Return -1 if curly braces expansion failed.
17845 * Return 0 if something else is wrong.
17846 * If the name contains 'magic' {}'s, expand them and return the
17847 * expanded name in an allocated string via 'alias' - caller must free.
17850 get_name_len(arg
, alias
, evaluate
, verbose
)
17858 char_u
*expr_start
;
17861 *alias
= NULL
; /* default to no alias */
17863 if ((*arg
)[0] == K_SPECIAL
&& (*arg
)[1] == KS_EXTRA
17864 && (*arg
)[2] == (int)KE_SNR
)
17866 /* hard coded <SNR>, already translated */
17868 return get_id_len(arg
) + 3;
17870 len
= eval_fname_script(*arg
);
17873 /* literal "<SID>", "s:" or "<SNR>" */
17878 * Find the end of the name; check for {} construction.
17880 p
= find_name_end(*arg
, &expr_start
, &expr_end
,
17881 len
> 0 ? 0 : FNE_CHECK_START
);
17882 if (expr_start
!= NULL
)
17884 char_u
*temp_string
;
17888 len
+= (int)(p
- *arg
);
17889 *arg
= skipwhite(p
);
17894 * Include any <SID> etc in the expanded string:
17895 * Thus the -len here.
17897 temp_string
= make_expanded_name(*arg
- len
, expr_start
, expr_end
, p
);
17898 if (temp_string
== NULL
)
17900 *alias
= temp_string
;
17901 *arg
= skipwhite(p
);
17902 return (int)STRLEN(temp_string
);
17905 len
+= get_id_len(arg
);
17906 if (len
== 0 && verbose
)
17907 EMSG2(_(e_invexpr2
), *arg
);
17913 * Find the end of a variable or function name, taking care of magic braces.
17914 * If "expr_start" is not NULL then "expr_start" and "expr_end" are set to the
17915 * start and end of the first magic braces item.
17916 * "flags" can have FNE_INCL_BR and FNE_CHECK_START.
17917 * Return a pointer to just after the name. Equal to "arg" if there is no
17921 find_name_end(arg
, expr_start
, expr_end
, flags
)
17923 char_u
**expr_start
;
17931 if (expr_start
!= NULL
)
17933 *expr_start
= NULL
;
17937 /* Quick check for valid starting character. */
17938 if ((flags
& FNE_CHECK_START
) && !eval_isnamec1(*arg
) && *arg
!= '{')
17941 for (p
= arg
; *p
!= NUL
17942 && (eval_isnamec(*p
)
17944 || ((flags
& FNE_INCL_BR
) && (*p
== '[' || *p
== '.'))
17946 || br_nest
!= 0); mb_ptr_adv(p
))
17950 /* skip over 'string' to avoid counting [ and ] inside it. */
17951 for (p
= p
+ 1; *p
!= NUL
&& *p
!= '\''; mb_ptr_adv(p
))
17956 else if (*p
== '"')
17958 /* skip over "str\"ing" to avoid counting [ and ] inside it. */
17959 for (p
= p
+ 1; *p
!= NUL
&& *p
!= '"'; mb_ptr_adv(p
))
17960 if (*p
== '\\' && p
[1] != NUL
)
17970 else if (*p
== ']')
17979 if (expr_start
!= NULL
&& *expr_start
== NULL
)
17982 else if (*p
== '}')
17985 if (expr_start
!= NULL
&& mb_nest
== 0 && *expr_end
== NULL
)
17995 * Expands out the 'magic' {}'s in a variable/function name.
17996 * Note that this can call itself recursively, to deal with
17997 * constructs like foo{bar}{baz}{bam}
17998 * The four pointer arguments point to "foo{expre}ss{ion}bar"
18004 * Returns a new allocated string, which the caller must free.
18005 * Returns NULL for failure.
18008 make_expanded_name(in_start
, expr_start
, expr_end
, in_end
)
18010 char_u
*expr_start
;
18015 char_u
*retval
= NULL
;
18016 char_u
*temp_result
;
18017 char_u
*nextcmd
= NULL
;
18019 if (expr_end
== NULL
|| in_end
== NULL
)
18026 temp_result
= eval_to_string(expr_start
+ 1, &nextcmd
, FALSE
);
18027 if (temp_result
!= NULL
&& nextcmd
== NULL
)
18029 retval
= alloc((unsigned)(STRLEN(temp_result
) + (expr_start
- in_start
)
18030 + (in_end
- expr_end
) + 1));
18031 if (retval
!= NULL
)
18033 STRCPY(retval
, in_start
);
18034 STRCAT(retval
, temp_result
);
18035 STRCAT(retval
, expr_end
+ 1);
18038 vim_free(temp_result
);
18040 *in_end
= c1
; /* put char back for error messages */
18044 if (retval
!= NULL
)
18046 temp_result
= find_name_end(retval
, &expr_start
, &expr_end
, 0);
18047 if (expr_start
!= NULL
)
18049 /* Further expansion! */
18050 temp_result
= make_expanded_name(retval
, expr_start
,
18051 expr_end
, temp_result
);
18053 retval
= temp_result
;
18061 * Return TRUE if character "c" can be used in a variable or function name.
18062 * Does not include '{' or '}' for magic braces.
18068 return (ASCII_ISALNUM(c
) || c
== '_' || c
== ':' || c
== AUTOLOAD_CHAR
);
18072 * Return TRUE if character "c" can be used as the first character in a
18073 * variable or function name (excluding '{' and '}').
18079 return (ASCII_ISALPHA(c
) || c
== '_');
18083 * Set number v: variable to "val".
18086 set_vim_var_nr(idx
, val
)
18090 vimvars
[idx
].vv_nr
= val
;
18094 * Get number v: variable value.
18097 get_vim_var_nr(idx
)
18100 return vimvars
[idx
].vv_nr
;
18104 * Get string v: variable value. Uses a static buffer, can only be used once.
18107 get_vim_var_str(idx
)
18110 return get_tv_string(&vimvars
[idx
].vv_tv
);
18114 * Get List v: variable value. Caller must take care of reference count when
18118 get_vim_var_list(idx
)
18121 return vimvars
[idx
].vv_list
;
18125 * Set v:count to "count" and v:count1 to "count1".
18126 * When "set_prevcount" is TRUE first set v:prevcount from v:count.
18129 set_vcount(count
, count1
, set_prevcount
)
18135 vimvars
[VV_PREVCOUNT
].vv_nr
= vimvars
[VV_COUNT
].vv_nr
;
18136 vimvars
[VV_COUNT
].vv_nr
= count
;
18137 vimvars
[VV_COUNT1
].vv_nr
= count1
;
18141 * Set string v: variable to a copy of "val".
18144 set_vim_var_string(idx
, val
, len
)
18147 int len
; /* length of "val" to use or -1 (whole string) */
18149 /* Need to do this (at least) once, since we can't initialize a union.
18150 * Will always be invoked when "v:progname" is set. */
18151 vimvars
[VV_VERSION
].vv_nr
= VIM_VERSION_100
;
18153 vim_free(vimvars
[idx
].vv_str
);
18155 vimvars
[idx
].vv_str
= NULL
;
18156 else if (len
== -1)
18157 vimvars
[idx
].vv_str
= vim_strsave(val
);
18159 vimvars
[idx
].vv_str
= vim_strnsave(val
, len
);
18163 * Set List v: variable to "val".
18166 set_vim_var_list(idx
, val
)
18170 list_unref(vimvars
[idx
].vv_list
);
18171 vimvars
[idx
].vv_list
= val
;
18173 ++val
->lv_refcount
;
18177 * Set v:register if needed.
18185 if (c
== 0 || c
== ' ')
18189 /* Avoid free/alloc when the value is already right. */
18190 if (vimvars
[VV_REG
].vv_str
== NULL
|| vimvars
[VV_REG
].vv_str
[0] != c
)
18191 set_vim_var_string(VV_REG
, ®name
, 1);
18195 * Get or set v:exception. If "oldval" == NULL, return the current value.
18196 * Otherwise, restore the value to "oldval" and return NULL.
18197 * Must always be called in pairs to save and restore v:exception! Does not
18198 * take care of memory allocations.
18201 v_exception(oldval
)
18204 if (oldval
== NULL
)
18205 return vimvars
[VV_EXCEPTION
].vv_str
;
18207 vimvars
[VV_EXCEPTION
].vv_str
= oldval
;
18212 * Get or set v:throwpoint. If "oldval" == NULL, return the current value.
18213 * Otherwise, restore the value to "oldval" and return NULL.
18214 * Must always be called in pairs to save and restore v:throwpoint! Does not
18215 * take care of memory allocations.
18218 v_throwpoint(oldval
)
18221 if (oldval
== NULL
)
18222 return vimvars
[VV_THROWPOINT
].vv_str
;
18224 vimvars
[VV_THROWPOINT
].vv_str
= oldval
;
18228 #if defined(FEAT_AUTOCMD) || defined(PROTO)
18231 * If "eap" != NULL, use "eap" to generate the value and return the old value.
18232 * If "oldarg" != NULL, restore the value to "oldarg" and return NULL.
18233 * Must always be called in pairs!
18236 set_cmdarg(eap
, oldarg
)
18244 oldval
= vimvars
[VV_CMDARG
].vv_str
;
18248 vimvars
[VV_CMDARG
].vv_str
= oldarg
;
18252 if (eap
->force_bin
== FORCE_BIN
)
18254 else if (eap
->force_bin
== FORCE_NOBIN
)
18259 if (eap
->read_edit
)
18262 if (eap
->force_ff
!= 0)
18263 len
+= (unsigned)STRLEN(eap
->cmd
+ eap
->force_ff
) + 6;
18265 if (eap
->force_enc
!= 0)
18266 len
+= (unsigned)STRLEN(eap
->cmd
+ eap
->force_enc
) + 7;
18267 if (eap
->bad_char
!= 0)
18268 len
+= (unsigned)STRLEN(eap
->cmd
+ eap
->bad_char
) + 7;
18271 newval
= alloc(len
+ 1);
18272 if (newval
== NULL
)
18275 if (eap
->force_bin
== FORCE_BIN
)
18276 sprintf((char *)newval
, " ++bin");
18277 else if (eap
->force_bin
== FORCE_NOBIN
)
18278 sprintf((char *)newval
, " ++nobin");
18282 if (eap
->read_edit
)
18283 STRCAT(newval
, " ++edit");
18285 if (eap
->force_ff
!= 0)
18286 sprintf((char *)newval
+ STRLEN(newval
), " ++ff=%s",
18287 eap
->cmd
+ eap
->force_ff
);
18289 if (eap
->force_enc
!= 0)
18290 sprintf((char *)newval
+ STRLEN(newval
), " ++enc=%s",
18291 eap
->cmd
+ eap
->force_enc
);
18292 if (eap
->bad_char
!= 0)
18293 sprintf((char *)newval
+ STRLEN(newval
), " ++bad=%s",
18294 eap
->cmd
+ eap
->bad_char
);
18296 vimvars
[VV_CMDARG
].vv_str
= newval
;
18302 * Get the value of internal variable "name".
18303 * Return OK or FAIL.
18306 get_var_tv(name
, len
, rettv
, verbose
)
18308 int len
; /* length of "name" */
18309 typval_T
*rettv
; /* NULL when only checking existence */
18310 int verbose
; /* may give error message */
18313 typval_T
*tv
= NULL
;
18318 /* truncate the name, so that we can use strcmp() */
18323 * Check for "b:changedtick".
18325 if (STRCMP(name
, "b:changedtick") == 0)
18327 atv
.v_type
= VAR_NUMBER
;
18328 atv
.vval
.v_number
= curbuf
->b_changedtick
;
18333 * Check for user-defined variables.
18337 v
= find_var(name
, NULL
);
18344 if (rettv
!= NULL
&& verbose
)
18345 EMSG2(_(e_undefvar
), name
);
18348 else if (rettv
!= NULL
)
18349 copy_tv(tv
, rettv
);
18357 * Handle expr[expr], expr[expr:expr] subscript and .name lookup.
18358 * Also handle function call with Funcref variable: func(expr)
18359 * Can all be combined: dict.func(expr)[idx]['func'](expr)
18362 handle_subscript(arg
, rettv
, evaluate
, verbose
)
18365 int evaluate
; /* do more than finding the end */
18366 int verbose
; /* give error messages */
18369 dict_T
*selfdict
= NULL
;
18376 || (**arg
== '.' && rettv
->v_type
== VAR_DICT
)
18377 || (**arg
== '(' && rettv
->v_type
== VAR_FUNC
))
18378 && !vim_iswhite(*(*arg
- 1)))
18382 /* need to copy the funcref so that we can clear rettv */
18384 rettv
->v_type
= VAR_UNKNOWN
;
18386 /* Invoke the function. Recursive! */
18387 s
= functv
.vval
.v_string
;
18388 ret
= get_func_tv(s
, (int)STRLEN(s
), rettv
, arg
,
18389 curwin
->w_cursor
.lnum
, curwin
->w_cursor
.lnum
,
18390 &len
, evaluate
, selfdict
);
18392 /* Clear the funcref afterwards, so that deleting it while
18393 * evaluating the arguments is possible (see test55). */
18396 /* Stop the expression evaluation when immediately aborting on
18397 * error, or when an interrupt occurred or an exception was thrown
18398 * but not caught. */
18405 dict_unref(selfdict
);
18408 else /* **arg == '[' || **arg == '.' */
18410 dict_unref(selfdict
);
18411 if (rettv
->v_type
== VAR_DICT
)
18413 selfdict
= rettv
->vval
.v_dict
;
18414 if (selfdict
!= NULL
)
18415 ++selfdict
->dv_refcount
;
18419 if (eval_index(arg
, rettv
, evaluate
, verbose
) == FAIL
)
18426 dict_unref(selfdict
);
18431 * Allocate memory for a variable type-value, and make it empty (0 or NULL
18437 return (typval_T
*)alloc_clear((unsigned)sizeof(typval_T
));
18441 * Allocate memory for a variable type-value, and assign a string to it.
18442 * The string "s" must have been allocated, it is consumed.
18443 * Return NULL for out of memory, the variable otherwise.
18451 rettv
= alloc_tv();
18454 rettv
->v_type
= VAR_STRING
;
18455 rettv
->vval
.v_string
= s
;
18463 * Free the memory for a variable type-value.
18471 switch (varp
->v_type
)
18474 func_unref(varp
->vval
.v_string
);
18477 vim_free(varp
->vval
.v_string
);
18480 list_unref(varp
->vval
.v_list
);
18483 dict_unref(varp
->vval
.v_dict
);
18492 EMSG2(_(e_intern2
), "free_tv()");
18500 * Free the memory for a variable value and set the value to NULL or 0.
18508 switch (varp
->v_type
)
18511 func_unref(varp
->vval
.v_string
);
18514 vim_free(varp
->vval
.v_string
);
18515 varp
->vval
.v_string
= NULL
;
18518 list_unref(varp
->vval
.v_list
);
18519 varp
->vval
.v_list
= NULL
;
18522 dict_unref(varp
->vval
.v_dict
);
18523 varp
->vval
.v_dict
= NULL
;
18526 varp
->vval
.v_number
= 0;
18530 varp
->vval
.v_float
= 0.0;
18536 EMSG2(_(e_intern2
), "clear_tv()");
18543 * Set the value of a variable to NULL without freeing items.
18550 vim_memset(varp
, 0, sizeof(typval_T
));
18554 * Get the number value of a variable.
18555 * If it is a String variable, uses vim_str2nr().
18556 * For incompatible types, return 0.
18557 * get_tv_number_chk() is similar to get_tv_number(), but informs the
18558 * caller of incompatible types: it sets *denote to TRUE if "denote"
18559 * is not NULL or returns -1 otherwise.
18562 get_tv_number(varp
)
18567 return get_tv_number_chk(varp
, &error
); /* return 0L on error */
18571 get_tv_number_chk(varp
, denote
)
18577 switch (varp
->v_type
)
18580 return (long)(varp
->vval
.v_number
);
18583 EMSG(_("E805: Using a Float as a Number"));
18587 EMSG(_("E703: Using a Funcref as a Number"));
18590 if (varp
->vval
.v_string
!= NULL
)
18591 vim_str2nr(varp
->vval
.v_string
, NULL
, NULL
,
18592 TRUE
, TRUE
, &n
, NULL
);
18595 EMSG(_("E745: Using a List as a Number"));
18598 EMSG(_("E728: Using a Dictionary as a Number"));
18601 EMSG2(_(e_intern2
), "get_tv_number()");
18604 if (denote
== NULL
) /* useful for values that must be unsigned */
18612 * Get the lnum from the first argument.
18613 * Also accepts ".", "$", etc., but that only works for the current buffer.
18614 * Returns -1 on error.
18617 get_tv_lnum(argvars
)
18623 lnum
= get_tv_number_chk(&argvars
[0], NULL
);
18624 if (lnum
== 0) /* no valid number, try using line() */
18626 rettv
.v_type
= VAR_NUMBER
;
18627 f_line(argvars
, &rettv
);
18628 lnum
= rettv
.vval
.v_number
;
18635 * Get the lnum from the first argument.
18636 * Also accepts "$", then "buf" is used.
18637 * Returns 0 on error.
18640 get_tv_lnum_buf(argvars
, buf
)
18644 if (argvars
[0].v_type
== VAR_STRING
18645 && argvars
[0].vval
.v_string
!= NULL
18646 && argvars
[0].vval
.v_string
[0] == '$'
18648 return buf
->b_ml
.ml_line_count
;
18649 return get_tv_number_chk(&argvars
[0], NULL
);
18653 * Get the string value of a variable.
18654 * If it is a Number variable, the number is converted into a string.
18655 * get_tv_string() uses a single, static buffer. YOU CAN ONLY USE IT ONCE!
18656 * get_tv_string_buf() uses a given buffer.
18657 * If the String variable has never been set, return an empty string.
18658 * Never returns NULL;
18659 * get_tv_string_chk() and get_tv_string_buf_chk() are similar, but return
18663 get_tv_string(varp
)
18666 static char_u mybuf
[NUMBUFLEN
];
18668 return get_tv_string_buf(varp
, mybuf
);
18672 get_tv_string_buf(varp
, buf
)
18676 char_u
*res
= get_tv_string_buf_chk(varp
, buf
);
18678 return res
!= NULL
? res
: (char_u
*)"";
18682 get_tv_string_chk(varp
)
18685 static char_u mybuf
[NUMBUFLEN
];
18687 return get_tv_string_buf_chk(varp
, mybuf
);
18691 get_tv_string_buf_chk(varp
, buf
)
18695 switch (varp
->v_type
)
18698 sprintf((char *)buf
, "%ld", (long)varp
->vval
.v_number
);
18701 EMSG(_("E729: using Funcref as a String"));
18704 EMSG(_("E730: using List as a String"));
18707 EMSG(_("E731: using Dictionary as a String"));
18711 EMSG(_("E806: using Float as a String"));
18715 if (varp
->vval
.v_string
!= NULL
)
18716 return varp
->vval
.v_string
;
18717 return (char_u
*)"";
18719 EMSG2(_(e_intern2
), "get_tv_string_buf()");
18726 * Find variable "name" in the list of variables.
18727 * Return a pointer to it if found, NULL if not found.
18728 * Careful: "a:0" variables don't have a name.
18729 * When "htp" is not NULL we are writing to the variable, set "htp" to the
18732 static dictitem_T
*
18733 find_var(name
, htp
)
18740 ht
= find_var_ht(name
, &varname
);
18745 return find_var_in_ht(ht
, varname
, htp
!= NULL
);
18749 * Find variable "varname" in hashtab "ht".
18750 * Returns NULL if not found.
18752 static dictitem_T
*
18753 find_var_in_ht(ht
, varname
, writing
)
18760 if (*varname
== NUL
)
18762 /* Must be something like "s:", otherwise "ht" would be NULL. */
18763 switch (varname
[-2])
18765 case 's': return &SCRIPT_SV(current_SID
).sv_var
;
18766 case 'g': return &globvars_var
;
18767 case 'v': return &vimvars_var
;
18768 case 'b': return &curbuf
->b_bufvar
;
18769 case 'w': return &curwin
->w_winvar
;
18770 #ifdef FEAT_WINDOWS
18771 case 't': return &curtab
->tp_winvar
;
18773 case 'l': return current_funccal
== NULL
18774 ? NULL
: ¤t_funccal
->l_vars_var
;
18775 case 'a': return current_funccal
== NULL
18776 ? NULL
: ¤t_funccal
->l_avars_var
;
18781 hi
= hash_find(ht
, varname
);
18782 if (HASHITEM_EMPTY(hi
))
18784 /* For global variables we may try auto-loading the script. If it
18785 * worked find the variable again. Don't auto-load a script if it was
18786 * loaded already, otherwise it would be loaded every time when
18787 * checking if a function name is a Funcref variable. */
18788 if (ht
== &globvarht
&& !writing
18789 && script_autoload(varname
, FALSE
) && !aborting())
18790 hi
= hash_find(ht
, varname
);
18791 if (HASHITEM_EMPTY(hi
))
18798 * Find the hashtab used for a variable name.
18799 * Set "varname" to the start of name without ':'.
18802 find_var_ht(name
, varname
)
18808 if (name
[1] != ':')
18810 /* The name must not start with a colon or #. */
18811 if (name
[0] == ':' || name
[0] == AUTOLOAD_CHAR
)
18815 /* "version" is "v:version" in all scopes */
18816 hi
= hash_find(&compat_hashtab
, name
);
18817 if (!HASHITEM_EMPTY(hi
))
18818 return &compat_hashtab
;
18820 if (current_funccal
== NULL
)
18821 return &globvarht
; /* global variable */
18822 return ¤t_funccal
->l_vars
.dv_hashtab
; /* l: variable */
18824 *varname
= name
+ 2;
18825 if (*name
== 'g') /* global variable */
18827 /* There must be no ':' or '#' in the rest of the name, unless g: is used
18829 if (vim_strchr(name
+ 2, ':') != NULL
18830 || vim_strchr(name
+ 2, AUTOLOAD_CHAR
) != NULL
)
18832 if (*name
== 'b') /* buffer variable */
18833 return &curbuf
->b_vars
.dv_hashtab
;
18834 if (*name
== 'w') /* window variable */
18835 return &curwin
->w_vars
.dv_hashtab
;
18836 #ifdef FEAT_WINDOWS
18837 if (*name
== 't') /* tab page variable */
18838 return &curtab
->tp_vars
.dv_hashtab
;
18840 if (*name
== 'v') /* v: variable */
18842 if (*name
== 'a' && current_funccal
!= NULL
) /* function argument */
18843 return ¤t_funccal
->l_avars
.dv_hashtab
;
18844 if (*name
== 'l' && current_funccal
!= NULL
) /* local function variable */
18845 return ¤t_funccal
->l_vars
.dv_hashtab
;
18846 if (*name
== 's' /* script variable */
18847 && current_SID
> 0 && current_SID
<= ga_scripts
.ga_len
)
18848 return &SCRIPT_VARS(current_SID
);
18853 * Get the string value of a (global/local) variable.
18854 * Returns NULL when it doesn't exist.
18857 get_var_value(name
)
18862 v
= find_var(name
, NULL
);
18865 return get_tv_string(&v
->di_tv
);
18869 * Allocate a new hashtab for a sourced script. It will be used while
18870 * sourcing this script and when executing functions defined in the script.
18873 new_script_vars(id
)
18880 if (ga_grow(&ga_scripts
, (int)(id
- ga_scripts
.ga_len
)) == OK
)
18882 /* Re-allocating ga_data means that an ht_array pointing to
18883 * ht_smallarray becomes invalid. We can recognize this: ht_mask is
18884 * at its init value. Also reset "v_dict", it's always the same. */
18885 for (i
= 1; i
<= ga_scripts
.ga_len
; ++i
)
18887 ht
= &SCRIPT_VARS(i
);
18888 if (ht
->ht_mask
== HT_INIT_SIZE
- 1)
18889 ht
->ht_array
= ht
->ht_smallarray
;
18890 sv
= &SCRIPT_SV(i
);
18891 sv
->sv_var
.di_tv
.vval
.v_dict
= &sv
->sv_dict
;
18894 while (ga_scripts
.ga_len
< id
)
18896 sv
= &SCRIPT_SV(ga_scripts
.ga_len
+ 1);
18897 init_var_dict(&sv
->sv_dict
, &sv
->sv_var
);
18898 ++ga_scripts
.ga_len
;
18904 * Initialize dictionary "dict" as a scope and set variable "dict_var" to
18908 init_var_dict(dict
, dict_var
)
18910 dictitem_T
*dict_var
;
18912 hash_init(&dict
->dv_hashtab
);
18913 dict
->dv_refcount
= DO_NOT_FREE_CNT
;
18914 dict
->dv_copyID
= 0;
18915 dict_var
->di_tv
.vval
.v_dict
= dict
;
18916 dict_var
->di_tv
.v_type
= VAR_DICT
;
18917 dict_var
->di_tv
.v_lock
= VAR_FIXED
;
18918 dict_var
->di_flags
= DI_FLAGS_RO
| DI_FLAGS_FIX
;
18919 dict_var
->di_key
[0] = NUL
;
18923 * Clean up a list of internal variables.
18924 * Frees all allocated variables and the value they contain.
18925 * Clears hashtab "ht", does not free it.
18931 vars_clear_ext(ht
, TRUE
);
18935 * Like vars_clear(), but only free the value if "free_val" is TRUE.
18938 vars_clear_ext(ht
, free_val
)
18947 todo
= (int)ht
->ht_used
;
18948 for (hi
= ht
->ht_array
; todo
> 0; ++hi
)
18950 if (!HASHITEM_EMPTY(hi
))
18954 /* Free the variable. Don't remove it from the hashtab,
18955 * ht_array might change then. hash_clear() takes care of it
18959 clear_tv(&v
->di_tv
);
18960 if ((v
->di_flags
& DI_FLAGS_FIX
) == 0)
18969 * Delete a variable from hashtab "ht" at item "hi".
18970 * Clear the variable value and free the dictitem.
18977 dictitem_T
*di
= HI2DI(hi
);
18979 hash_remove(ht
, hi
);
18980 clear_tv(&di
->di_tv
);
18985 * List the value of one internal variable.
18988 list_one_var(v
, prefix
, first
)
18995 char_u numbuf
[NUMBUFLEN
];
18997 current_copyID
+= COPYID_INC
;
18998 s
= echo_string(&v
->di_tv
, &tofree
, numbuf
, current_copyID
);
18999 list_one_var_a(prefix
, v
->di_key
, v
->di_tv
.v_type
,
19000 s
== NULL
? (char_u
*)"" : s
, first
);
19005 list_one_var_a(prefix
, name
, type
, string
, first
)
19010 int *first
; /* when TRUE clear rest of screen and set to FALSE */
19012 /* don't use msg() or msg_attr() to avoid overwriting "v:statusmsg" */
19015 if (name
!= NULL
) /* "a:" vars don't have a name stored */
19019 if (type
== VAR_NUMBER
)
19021 else if (type
== VAR_FUNC
)
19023 else if (type
== VAR_LIST
)
19026 if (*string
== '[')
19029 else if (type
== VAR_DICT
)
19032 if (*string
== '{')
19038 msg_outtrans(string
);
19040 if (type
== VAR_FUNC
)
19041 msg_puts((char_u
*)"()");
19050 * Set variable "name" to value in "tv".
19051 * If the variable already exists, the value is updated.
19052 * Otherwise the variable is created.
19055 set_var(name
, tv
, copy
)
19058 int copy
; /* make copy of value in "tv" */
19065 if (tv
->v_type
== VAR_FUNC
)
19067 if (!(vim_strchr((char_u
*)"wbs", name
[0]) != NULL
&& name
[1] == ':')
19068 && !ASCII_ISUPPER((name
[0] != NUL
&& name
[1] == ':')
19069 ? name
[2] : name
[0]))
19071 EMSG2(_("E704: Funcref variable name must start with a capital: %s"), name
);
19074 if (function_exists(name
))
19076 EMSG2(_("E705: Variable name conflicts with existing function: %s"),
19082 ht
= find_var_ht(name
, &varname
);
19083 if (ht
== NULL
|| *varname
== NUL
)
19085 EMSG2(_(e_illvar
), name
);
19089 v
= find_var_in_ht(ht
, varname
, TRUE
);
19092 /* existing variable, need to clear the value */
19093 if (var_check_ro(v
->di_flags
, name
)
19094 || tv_check_lock(v
->di_tv
.v_lock
, name
))
19096 if (v
->di_tv
.v_type
!= tv
->v_type
19097 && !((v
->di_tv
.v_type
== VAR_STRING
19098 || v
->di_tv
.v_type
== VAR_NUMBER
)
19099 && (tv
->v_type
== VAR_STRING
19100 || tv
->v_type
== VAR_NUMBER
))
19102 && !((v
->di_tv
.v_type
== VAR_NUMBER
19103 || v
->di_tv
.v_type
== VAR_FLOAT
)
19104 && (tv
->v_type
== VAR_NUMBER
19105 || tv
->v_type
== VAR_FLOAT
))
19109 EMSG2(_("E706: Variable type mismatch for: %s"), name
);
19114 * Handle setting internal v: variables separately: we don't change
19117 if (ht
== &vimvarht
)
19119 if (v
->di_tv
.v_type
== VAR_STRING
)
19121 vim_free(v
->di_tv
.vval
.v_string
);
19122 if (copy
|| tv
->v_type
!= VAR_STRING
)
19123 v
->di_tv
.vval
.v_string
= vim_strsave(get_tv_string(tv
));
19126 /* Take over the string to avoid an extra alloc/free. */
19127 v
->di_tv
.vval
.v_string
= tv
->vval
.v_string
;
19128 tv
->vval
.v_string
= NULL
;
19131 else if (v
->di_tv
.v_type
!= VAR_NUMBER
)
19132 EMSG2(_(e_intern2
), "set_var()");
19135 v
->di_tv
.vval
.v_number
= get_tv_number(tv
);
19136 if (STRCMP(varname
, "searchforward") == 0)
19137 set_search_direction(v
->di_tv
.vval
.v_number
? '/' : '?');
19142 clear_tv(&v
->di_tv
);
19144 else /* add a new variable */
19146 /* Can't add "v:" variable. */
19147 if (ht
== &vimvarht
)
19149 EMSG2(_(e_illvar
), name
);
19153 /* Make sure the variable name is valid. */
19154 for (p
= varname
; *p
!= NUL
; ++p
)
19155 if (!eval_isnamec1(*p
) && (p
== varname
|| !VIM_ISDIGIT(*p
))
19156 && *p
!= AUTOLOAD_CHAR
)
19158 EMSG2(_(e_illvar
), varname
);
19162 v
= (dictitem_T
*)alloc((unsigned)(sizeof(dictitem_T
)
19163 + STRLEN(varname
)));
19166 STRCPY(v
->di_key
, varname
);
19167 if (hash_add(ht
, DI2HIKEY(v
)) == FAIL
)
19175 if (copy
|| tv
->v_type
== VAR_NUMBER
|| tv
->v_type
== VAR_FLOAT
)
19176 copy_tv(tv
, &v
->di_tv
);
19180 v
->di_tv
.v_lock
= 0;
19186 * Return TRUE if di_flags "flags" indicates variable "name" is read-only.
19187 * Also give an error message.
19190 var_check_ro(flags
, name
)
19194 if (flags
& DI_FLAGS_RO
)
19196 EMSG2(_(e_readonlyvar
), name
);
19199 if ((flags
& DI_FLAGS_RO_SBX
) && sandbox
)
19201 EMSG2(_(e_readonlysbx
), name
);
19208 * Return TRUE if di_flags "flags" indicates variable "name" is fixed.
19209 * Also give an error message.
19212 var_check_fixed(flags
, name
)
19216 if (flags
& DI_FLAGS_FIX
)
19218 EMSG2(_("E795: Cannot delete variable %s"), name
);
19225 * Return TRUE if typeval "tv" is set to be locked (immutable).
19226 * Also give an error message, using "name".
19229 tv_check_lock(lock
, name
)
19233 if (lock
& VAR_LOCKED
)
19235 EMSG2(_("E741: Value is locked: %s"),
19236 name
== NULL
? (char_u
*)_("Unknown") : name
);
19239 if (lock
& VAR_FIXED
)
19241 EMSG2(_("E742: Cannot change value of %s"),
19242 name
== NULL
? (char_u
*)_("Unknown") : name
);
19249 * Copy the values from typval_T "from" to typval_T "to".
19250 * When needed allocates string or increases reference count.
19251 * Does not make a copy of a list or dict but copies the reference!
19252 * It is OK for "from" and "to" to point to the same item. This is used to
19253 * make a copy later.
19260 to
->v_type
= from
->v_type
;
19262 switch (from
->v_type
)
19265 to
->vval
.v_number
= from
->vval
.v_number
;
19269 to
->vval
.v_float
= from
->vval
.v_float
;
19274 if (from
->vval
.v_string
== NULL
)
19275 to
->vval
.v_string
= NULL
;
19278 to
->vval
.v_string
= vim_strsave(from
->vval
.v_string
);
19279 if (from
->v_type
== VAR_FUNC
)
19280 func_ref(to
->vval
.v_string
);
19284 if (from
->vval
.v_list
== NULL
)
19285 to
->vval
.v_list
= NULL
;
19288 to
->vval
.v_list
= from
->vval
.v_list
;
19289 ++to
->vval
.v_list
->lv_refcount
;
19293 if (from
->vval
.v_dict
== NULL
)
19294 to
->vval
.v_dict
= NULL
;
19297 to
->vval
.v_dict
= from
->vval
.v_dict
;
19298 ++to
->vval
.v_dict
->dv_refcount
;
19302 EMSG2(_(e_intern2
), "copy_tv()");
19308 * Make a copy of an item.
19309 * Lists and Dictionaries are also copied. A deep copy if "deep" is set.
19310 * For deepcopy() "copyID" is zero for a full copy or the ID for when a
19311 * reference to an already copied list/dict can be used.
19312 * Returns FAIL or OK.
19315 item_copy(from
, to
, deep
, copyID
)
19321 static int recurse
= 0;
19324 if (recurse
>= DICT_MAXNEST
)
19326 EMSG(_("E698: variable nested too deep for making a copy"));
19331 switch (from
->v_type
)
19342 to
->v_type
= VAR_LIST
;
19344 if (from
->vval
.v_list
== NULL
)
19345 to
->vval
.v_list
= NULL
;
19346 else if (copyID
!= 0 && from
->vval
.v_list
->lv_copyID
== copyID
)
19348 /* use the copy made earlier */
19349 to
->vval
.v_list
= from
->vval
.v_list
->lv_copylist
;
19350 ++to
->vval
.v_list
->lv_refcount
;
19353 to
->vval
.v_list
= list_copy(from
->vval
.v_list
, deep
, copyID
);
19354 if (to
->vval
.v_list
== NULL
)
19358 to
->v_type
= VAR_DICT
;
19360 if (from
->vval
.v_dict
== NULL
)
19361 to
->vval
.v_dict
= NULL
;
19362 else if (copyID
!= 0 && from
->vval
.v_dict
->dv_copyID
== copyID
)
19364 /* use the copy made earlier */
19365 to
->vval
.v_dict
= from
->vval
.v_dict
->dv_copydict
;
19366 ++to
->vval
.v_dict
->dv_refcount
;
19369 to
->vval
.v_dict
= dict_copy(from
->vval
.v_dict
, deep
, copyID
);
19370 if (to
->vval
.v_dict
== NULL
)
19374 EMSG2(_(e_intern2
), "item_copy()");
19382 * ":echo expr1 ..." print each argument separated with a space, add a
19383 * newline at the end.
19384 * ":echon expr1 ..." print each argument plain.
19390 char_u
*arg
= eap
->arg
;
19394 int needclr
= TRUE
;
19395 int atstart
= TRUE
;
19396 char_u numbuf
[NUMBUFLEN
];
19400 while (*arg
!= NUL
&& *arg
!= '|' && *arg
!= '\n' && !got_int
)
19402 /* If eval1() causes an error message the text from the command may
19403 * still need to be cleared. E.g., "echo 22,44". */
19404 need_clr_eos
= needclr
;
19407 if (eval1(&arg
, &rettv
, !eap
->skip
) == FAIL
)
19410 * Report the invalid expression unless the expression evaluation
19411 * has been cancelled due to an aborting error, an interrupt, or an
19415 EMSG2(_(e_invexpr2
), p
);
19416 need_clr_eos
= FALSE
;
19419 need_clr_eos
= FALSE
;
19426 /* Call msg_start() after eval1(), evaluating the expression
19427 * may cause a message to appear. */
19428 if (eap
->cmdidx
== CMD_echo
)
19431 else if (eap
->cmdidx
== CMD_echo
)
19432 msg_puts_attr((char_u
*)" ", echo_attr
);
19433 current_copyID
+= COPYID_INC
;
19434 p
= echo_string(&rettv
, &tofree
, numbuf
, current_copyID
);
19436 for ( ; *p
!= NUL
&& !got_int
; ++p
)
19438 if (*p
== '\n' || *p
== '\r' || *p
== TAB
)
19440 if (*p
!= TAB
&& needclr
)
19442 /* remove any text still there from the command */
19446 msg_putchar_attr(*p
, echo_attr
);
19453 int i
= (*mb_ptr2len
)(p
);
19455 (void)msg_outtrans_len_attr(p
, i
, echo_attr
);
19460 (void)msg_outtrans_len_attr(p
, 1, echo_attr
);
19466 arg
= skipwhite(arg
);
19468 eap
->nextcmd
= check_nextcmd(arg
);
19474 /* remove text that may still be there from the command */
19477 if (eap
->cmdidx
== CMD_echo
)
19483 * ":echohl {name}".
19491 id
= syn_name2id(eap
->arg
);
19495 echo_attr
= syn_id2attr(id
);
19499 * ":execute expr1 ..." execute the result of an expression.
19500 * ":echomsg expr1 ..." Print a message
19501 * ":echoerr expr1 ..." Print an error
19502 * Each gets spaces around each argument and a newline at the end for
19509 char_u
*arg
= eap
->arg
;
19517 ga_init2(&ga
, 1, 80);
19521 while (*arg
!= NUL
&& *arg
!= '|' && *arg
!= '\n')
19524 if (eval1(&arg
, &rettv
, !eap
->skip
) == FAIL
)
19527 * Report the invalid expression unless the expression evaluation
19528 * has been cancelled due to an aborting error, an interrupt, or an
19532 EMSG2(_(e_invexpr2
), p
);
19539 p
= get_tv_string(&rettv
);
19540 len
= (int)STRLEN(p
);
19541 if (ga_grow(&ga
, len
+ 2) == FAIL
)
19548 ((char_u
*)(ga
.ga_data
))[ga
.ga_len
++] = ' ';
19549 STRCPY((char_u
*)(ga
.ga_data
) + ga
.ga_len
, p
);
19554 arg
= skipwhite(arg
);
19557 if (ret
!= FAIL
&& ga
.ga_data
!= NULL
)
19559 if (eap
->cmdidx
== CMD_echomsg
)
19561 MSG_ATTR(ga
.ga_data
, echo_attr
);
19564 else if (eap
->cmdidx
== CMD_echoerr
)
19566 /* We don't want to abort following commands, restore did_emsg. */
19567 save_did_emsg
= did_emsg
;
19568 EMSG((char_u
*)ga
.ga_data
);
19570 did_emsg
= save_did_emsg
;
19572 else if (eap
->cmdidx
== CMD_execute
)
19573 do_cmdline((char_u
*)ga
.ga_data
,
19574 eap
->getline
, eap
->cookie
, DOCMD_NOWAIT
|DOCMD_VERBOSE
);
19582 eap
->nextcmd
= check_nextcmd(arg
);
19586 * Skip over the name of an option: "&option", "&g:option" or "&l:option".
19587 * "arg" points to the "&" or '+' when called, to "option" when returning.
19588 * Returns NULL when no option name found. Otherwise pointer to the char
19589 * after the option name.
19592 find_option_end(arg
, opt_flags
)
19599 if (*p
== 'g' && p
[1] == ':')
19601 *opt_flags
= OPT_GLOBAL
;
19604 else if (*p
== 'l' && p
[1] == ':')
19606 *opt_flags
= OPT_LOCAL
;
19612 if (!ASCII_ISALPHA(*p
))
19616 if (p
[0] == 't' && p
[1] == '_' && p
[2] != NUL
&& p
[3] != NUL
)
19617 p
+= 4; /* termcap option */
19619 while (ASCII_ISALPHA(*p
))
19634 int saved_did_emsg
;
19635 char_u
*name
= NULL
;
19638 char_u
*line_arg
= NULL
;
19641 int varargs
= FALSE
;
19642 int mustend
= FALSE
;
19647 char_u
*skip_until
= NULL
;
19650 static int func_nr
= 0; /* number for nameless function */
19655 int sourcing_lnum_off
;
19658 * ":function" without argument: list functions.
19660 if (ends_excmd(*eap
->arg
))
19664 todo
= (int)func_hashtab
.ht_used
;
19665 for (hi
= func_hashtab
.ht_array
; todo
> 0 && !got_int
; ++hi
)
19667 if (!HASHITEM_EMPTY(hi
))
19671 if (!isdigit(*fp
->uf_name
))
19672 list_func_head(fp
, FALSE
);
19676 eap
->nextcmd
= check_nextcmd(eap
->arg
);
19681 * ":function /pat": list functions matching pattern.
19683 if (*eap
->arg
== '/')
19685 p
= skip_regexp(eap
->arg
+ 1, '/', TRUE
, NULL
);
19688 regmatch_T regmatch
;
19692 regmatch
.regprog
= vim_regcomp(eap
->arg
+ 1, RE_MAGIC
);
19694 if (regmatch
.regprog
!= NULL
)
19696 regmatch
.rm_ic
= p_ic
;
19698 todo
= (int)func_hashtab
.ht_used
;
19699 for (hi
= func_hashtab
.ht_array
; todo
> 0 && !got_int
; ++hi
)
19701 if (!HASHITEM_EMPTY(hi
))
19705 if (!isdigit(*fp
->uf_name
)
19706 && vim_regexec(®match
, fp
->uf_name
, 0))
19707 list_func_head(fp
, FALSE
);
19710 vim_free(regmatch
.regprog
);
19715 eap
->nextcmd
= check_nextcmd(p
);
19720 * Get the function name. There are these situations:
19721 * func normal function name
19722 * "name" == func, "fudi.fd_dict" == NULL
19723 * dict.func new dictionary entry
19724 * "name" == NULL, "fudi.fd_dict" set,
19725 * "fudi.fd_di" == NULL, "fudi.fd_newkey" == func
19726 * dict.func existing dict entry with a Funcref
19727 * "name" == func, "fudi.fd_dict" set,
19728 * "fudi.fd_di" set, "fudi.fd_newkey" == NULL
19729 * dict.func existing dict entry that's not a Funcref
19730 * "name" == NULL, "fudi.fd_dict" set,
19731 * "fudi.fd_di" set, "fudi.fd_newkey" == NULL
19734 name
= trans_function_name(&p
, eap
->skip
, 0, &fudi
);
19735 paren
= (vim_strchr(p
, '(') != NULL
);
19736 if (name
== NULL
&& (fudi
.fd_dict
== NULL
|| !paren
) && !eap
->skip
)
19739 * Return on an invalid expression in braces, unless the expression
19740 * evaluation has been cancelled due to an aborting error, an
19741 * interrupt, or an exception.
19745 if (!eap
->skip
&& fudi
.fd_newkey
!= NULL
)
19746 EMSG2(_(e_dictkey
), fudi
.fd_newkey
);
19747 vim_free(fudi
.fd_newkey
);
19754 /* An error in a function call during evaluation of an expression in magic
19755 * braces should not cause the function not to be defined. */
19756 saved_did_emsg
= did_emsg
;
19760 * ":function func" with only function name: list function.
19764 if (!ends_excmd(*skipwhite(p
)))
19766 EMSG(_(e_trailing
));
19769 eap
->nextcmd
= check_nextcmd(p
);
19770 if (eap
->nextcmd
!= NULL
)
19772 if (!eap
->skip
&& !got_int
)
19774 fp
= find_func(name
);
19777 list_func_head(fp
, TRUE
);
19778 for (j
= 0; j
< fp
->uf_lines
.ga_len
&& !got_int
; ++j
)
19780 if (FUNCLINE(fp
, j
) == NULL
)
19783 msg_outnum((long)(j
+ 1));
19788 msg_prt_line(FUNCLINE(fp
, j
), FALSE
);
19789 out_flush(); /* show a line at a time */
19795 msg_puts((char_u
*)" endfunction");
19799 emsg_funcname(N_("E123: Undefined function: %s"), name
);
19805 * ":function name(arg1, arg2)" Define function.
19812 EMSG2(_("E124: Missing '(': %s"), eap
->arg
);
19815 /* attempt to continue by skipping some text */
19816 if (vim_strchr(p
, '(') != NULL
)
19817 p
= vim_strchr(p
, '(');
19819 p
= skipwhite(p
+ 1);
19821 ga_init2(&newargs
, (int)sizeof(char_u
*), 3);
19822 ga_init2(&newlines
, (int)sizeof(char_u
*), 3);
19826 /* Check the name of the function. Unless it's a dictionary function
19827 * (that we are overwriting). */
19831 arg
= fudi
.fd_newkey
;
19832 if (arg
!= NULL
&& (fudi
.fd_di
== NULL
19833 || fudi
.fd_di
->di_tv
.v_type
!= VAR_FUNC
))
19835 if (*arg
== K_SPECIAL
)
19839 while (arg
[j
] != NUL
&& (j
== 0 ? eval_isnamec1(arg
[j
])
19840 : eval_isnamec(arg
[j
])))
19843 emsg_funcname((char *)e_invarg2
, arg
);
19848 * Isolate the arguments: "arg1, arg2, ...)"
19852 if (p
[0] == '.' && p
[1] == '.' && p
[2] == '.')
19861 while (ASCII_ISALNUM(*p
) || *p
== '_')
19863 if (arg
== p
|| isdigit(*arg
)
19864 || (p
- arg
== 9 && STRNCMP(arg
, "firstline", 9) == 0)
19865 || (p
- arg
== 8 && STRNCMP(arg
, "lastline", 8) == 0))
19868 EMSG2(_("E125: Illegal argument: %s"), arg
);
19871 if (ga_grow(&newargs
, 1) == FAIL
)
19875 arg
= vim_strsave(arg
);
19878 ((char_u
**)(newargs
.ga_data
))[newargs
.ga_len
] = arg
;
19887 if (mustend
&& *p
!= ')')
19890 EMSG2(_(e_invarg2
), eap
->arg
);
19894 ++p
; /* skip the ')' */
19896 /* find extra arguments "range", "dict" and "abort" */
19900 if (STRNCMP(p
, "range", 5) == 0)
19905 else if (STRNCMP(p
, "dict", 4) == 0)
19910 else if (STRNCMP(p
, "abort", 5) == 0)
19919 /* When there is a line break use what follows for the function body.
19920 * Makes 'exe "func Test()\n...\nendfunc"' work. */
19923 else if (*p
!= NUL
&& *p
!= '"' && !eap
->skip
&& !did_emsg
)
19924 EMSG(_(e_trailing
));
19927 * Read the body of the function, until ":endfunction" is found.
19931 /* Check if the function already exists, don't let the user type the
19932 * whole function before telling him it doesn't work! For a script we
19933 * need to skip the body to be able to find what follows. */
19934 if (!eap
->skip
&& !eap
->forceit
)
19936 if (fudi
.fd_dict
!= NULL
&& fudi
.fd_newkey
== NULL
)
19937 EMSG(_(e_funcdict
));
19938 else if (name
!= NULL
&& find_func(name
) != NULL
)
19939 emsg_funcname(e_funcexts
, name
);
19942 if (!eap
->skip
&& did_emsg
)
19945 msg_putchar('\n'); /* don't overwrite the function name */
19946 cmdline_row
= msg_row
;
19954 need_wait_return
= FALSE
;
19955 sourcing_lnum_off
= sourcing_lnum
;
19957 if (line_arg
!= NULL
)
19959 /* Use eap->arg, split up in parts by line breaks. */
19960 theline
= line_arg
;
19961 p
= vim_strchr(theline
, '\n');
19963 line_arg
+= STRLEN(line_arg
);
19970 else if (eap
->getline
== NULL
)
19971 theline
= getcmdline(':', 0L, indent
);
19973 theline
= eap
->getline(':', eap
->cookie
, indent
);
19975 lines_left
= Rows
- 1;
19976 if (theline
== NULL
)
19978 EMSG(_("E126: Missing :endfunction"));
19982 /* Detect line continuation: sourcing_lnum increased more than one. */
19983 if (sourcing_lnum
> sourcing_lnum_off
+ 1)
19984 sourcing_lnum_off
= sourcing_lnum
- sourcing_lnum_off
- 1;
19986 sourcing_lnum_off
= 0;
19988 if (skip_until
!= NULL
)
19990 /* between ":append" and "." and between ":python <<EOF" and "EOF"
19991 * don't check for ":endfunc". */
19992 if (STRCMP(theline
, skip_until
) == 0)
19994 vim_free(skip_until
);
20000 /* skip ':' and blanks*/
20001 for (p
= theline
; vim_iswhite(*p
) || *p
== ':'; ++p
)
20004 /* Check for "endfunction". */
20005 if (checkforcmd(&p
, "endfunction", 4) && nesting
-- == 0)
20007 if (line_arg
== NULL
)
20012 /* Increase indent inside "if", "while", "for" and "try", decrease
20014 if (indent
> 2 && STRNCMP(p
, "end", 3) == 0)
20016 else if (STRNCMP(p
, "if", 2) == 0
20017 || STRNCMP(p
, "wh", 2) == 0
20018 || STRNCMP(p
, "for", 3) == 0
20019 || STRNCMP(p
, "try", 3) == 0)
20022 /* Check for defining a function inside this function. */
20023 if (checkforcmd(&p
, "function", 2))
20026 p
= skipwhite(p
+ 1);
20027 p
+= eval_fname_script(p
);
20028 if (ASCII_ISALPHA(*p
))
20030 vim_free(trans_function_name(&p
, TRUE
, 0, NULL
));
20031 if (*skipwhite(p
) == '(')
20039 /* Check for ":append" or ":insert". */
20040 p
= skip_range(p
, NULL
);
20041 if ((p
[0] == 'a' && (!ASCII_ISALPHA(p
[1]) || p
[1] == 'p'))
20043 && (!ASCII_ISALPHA(p
[1]) || (p
[1] == 'n'
20044 && (!ASCII_ISALPHA(p
[2]) || (p
[2] == 's'))))))
20045 skip_until
= vim_strsave((char_u
*)".");
20047 /* Check for ":python <<EOF", ":tcl <<EOF", etc. */
20048 arg
= skipwhite(skiptowhite(p
));
20049 if (arg
[0] == '<' && arg
[1] =='<'
20050 && ((p
[0] == 'p' && p
[1] == 'y'
20051 && (!ASCII_ISALPHA(p
[2]) || p
[2] == 't'))
20052 || (p
[0] == 'p' && p
[1] == 'e'
20053 && (!ASCII_ISALPHA(p
[2]) || p
[2] == 'r'))
20054 || (p
[0] == 't' && p
[1] == 'c'
20055 && (!ASCII_ISALPHA(p
[2]) || p
[2] == 'l'))
20056 || (p
[0] == 'r' && p
[1] == 'u' && p
[2] == 'b'
20057 && (!ASCII_ISALPHA(p
[3]) || p
[3] == 'y'))
20058 || (p
[0] == 'm' && p
[1] == 'z'
20059 && (!ASCII_ISALPHA(p
[2]) || p
[2] == 's'))
20062 /* ":python <<" continues until a dot, like ":append" */
20063 p
= skipwhite(arg
+ 2);
20065 skip_until
= vim_strsave((char_u
*)".");
20067 skip_until
= vim_strsave(p
);
20071 /* Add the line to the function. */
20072 if (ga_grow(&newlines
, 1 + sourcing_lnum_off
) == FAIL
)
20074 if (line_arg
== NULL
)
20079 /* Copy the line to newly allocated memory. get_one_sourceline()
20080 * allocates 250 bytes per line, this saves 80% on average. The cost
20081 * is an extra alloc/free. */
20082 p
= vim_strsave(theline
);
20085 if (line_arg
== NULL
)
20090 ((char_u
**)(newlines
.ga_data
))[newlines
.ga_len
++] = theline
;
20092 /* Add NULL lines for continuation lines, so that the line count is
20093 * equal to the index in the growarray. */
20094 while (sourcing_lnum_off
-- > 0)
20095 ((char_u
**)(newlines
.ga_data
))[newlines
.ga_len
++] = NULL
;
20097 /* Check for end of eap->arg. */
20098 if (line_arg
!= NULL
&& *line_arg
== NUL
)
20102 /* Don't define the function when skipping commands or when an error was
20104 if (eap
->skip
|| did_emsg
)
20108 * If there are no errors, add the function
20110 if (fudi
.fd_dict
== NULL
)
20112 v
= find_var(name
, &ht
);
20113 if (v
!= NULL
&& v
->di_tv
.v_type
== VAR_FUNC
)
20115 emsg_funcname(N_("E707: Function name conflicts with variable: %s"),
20120 fp
= find_func(name
);
20125 emsg_funcname(e_funcexts
, name
);
20128 if (fp
->uf_calls
> 0)
20130 emsg_funcname(N_("E127: Cannot redefine function %s: It is in use"),
20134 /* redefine existing function */
20135 ga_clear_strings(&(fp
->uf_args
));
20136 ga_clear_strings(&(fp
->uf_lines
));
20146 if (fudi
.fd_newkey
== NULL
&& !eap
->forceit
)
20148 EMSG(_(e_funcdict
));
20151 if (fudi
.fd_di
== NULL
)
20153 /* Can't add a function to a locked dictionary */
20154 if (tv_check_lock(fudi
.fd_dict
->dv_lock
, eap
->arg
))
20157 /* Can't change an existing function if it is locked */
20158 else if (tv_check_lock(fudi
.fd_di
->di_tv
.v_lock
, eap
->arg
))
20161 /* Give the function a sequential number. Can only be used with a
20164 sprintf(numbuf
, "%d", ++func_nr
);
20165 name
= vim_strsave((char_u
*)numbuf
);
20172 if (fudi
.fd_dict
== NULL
&& vim_strchr(name
, AUTOLOAD_CHAR
) != NULL
)
20175 char_u
*scriptname
;
20177 /* Check that the autoload name matches the script name. */
20179 if (sourcing_name
!= NULL
)
20181 scriptname
= autoload_name(name
);
20182 if (scriptname
!= NULL
)
20184 p
= vim_strchr(scriptname
, '/');
20185 plen
= (int)STRLEN(p
);
20186 slen
= (int)STRLEN(sourcing_name
);
20187 if (slen
> plen
&& fnamecmp(p
,
20188 sourcing_name
+ slen
- plen
) == 0)
20190 vim_free(scriptname
);
20195 EMSG2(_("E746: Function name does not match script file name: %s"), name
);
20200 fp
= (ufunc_T
*)alloc((unsigned)(sizeof(ufunc_T
) + STRLEN(name
)));
20204 if (fudi
.fd_dict
!= NULL
)
20206 if (fudi
.fd_di
== NULL
)
20208 /* add new dict entry */
20209 fudi
.fd_di
= dictitem_alloc(fudi
.fd_newkey
);
20210 if (fudi
.fd_di
== NULL
)
20215 if (dict_add(fudi
.fd_dict
, fudi
.fd_di
) == FAIL
)
20217 vim_free(fudi
.fd_di
);
20223 /* overwrite existing dict entry */
20224 clear_tv(&fudi
.fd_di
->di_tv
);
20225 fudi
.fd_di
->di_tv
.v_type
= VAR_FUNC
;
20226 fudi
.fd_di
->di_tv
.v_lock
= 0;
20227 fudi
.fd_di
->di_tv
.vval
.v_string
= vim_strsave(name
);
20228 fp
->uf_refcount
= 1;
20230 /* behave like "dict" was used */
20234 /* insert the new function in the function list */
20235 STRCPY(fp
->uf_name
, name
);
20236 hash_add(&func_hashtab
, UF2HIKEY(fp
));
20238 fp
->uf_args
= newargs
;
20239 fp
->uf_lines
= newlines
;
20240 #ifdef FEAT_PROFILE
20241 fp
->uf_tml_count
= NULL
;
20242 fp
->uf_tml_total
= NULL
;
20243 fp
->uf_tml_self
= NULL
;
20244 fp
->uf_profiling
= FALSE
;
20245 if (prof_def_func())
20246 func_do_profile(fp
);
20248 fp
->uf_varargs
= varargs
;
20249 fp
->uf_flags
= flags
;
20251 fp
->uf_script_ID
= current_SID
;
20255 ga_clear_strings(&newargs
);
20256 ga_clear_strings(&newlines
);
20258 vim_free(skip_until
);
20259 vim_free(fudi
.fd_newkey
);
20261 did_emsg
|= saved_did_emsg
;
20265 * Get a function name, translating "<SID>" and "<SNR>".
20266 * Also handles a Funcref in a List or Dictionary.
20267 * Returns the function name in allocated memory, or NULL for failure.
20269 * TFN_INT: internal function name OK
20270 * TFN_QUIET: be quiet
20271 * Advances "pp" to just after the function name (if no error).
20274 trans_function_name(pp
, skip
, flags
, fdp
)
20276 int skip
; /* only find the end, don't evaluate */
20278 funcdict_T
*fdp
; /* return: info about dictionary used */
20280 char_u
*name
= NULL
;
20284 char_u sid_buf
[20];
20289 vim_memset(fdp
, 0, sizeof(funcdict_T
));
20292 /* Check for hard coded <SNR>: already translated function ID (from a user
20294 if ((*pp
)[0] == K_SPECIAL
&& (*pp
)[1] == KS_EXTRA
20295 && (*pp
)[2] == (int)KE_SNR
)
20298 len
= get_id_len(pp
) + 3;
20299 return vim_strnsave(start
, len
);
20302 /* A name starting with "<SID>" or "<SNR>" is local to a script. But
20303 * don't skip over "s:", get_lval() needs it for "s:dict.func". */
20304 lead
= eval_fname_script(start
);
20308 end
= get_lval(start
, NULL
, &lv
, FALSE
, skip
, flags
& TFN_QUIET
,
20309 lead
> 2 ? 0 : FNE_CHECK_START
);
20313 EMSG(_("E129: Function name required"));
20316 if (end
== NULL
|| (lv
.ll_tv
!= NULL
&& (lead
> 2 || lv
.ll_range
)))
20319 * Report an invalid expression in braces, unless the expression
20320 * evaluation has been cancelled due to an aborting error, an
20321 * interrupt, or an exception.
20326 EMSG2(_(e_invarg2
), start
);
20329 *pp
= find_name_end(start
, NULL
, NULL
, FNE_INCL_BR
);
20333 if (lv
.ll_tv
!= NULL
)
20337 fdp
->fd_dict
= lv
.ll_dict
;
20338 fdp
->fd_newkey
= lv
.ll_newkey
;
20339 lv
.ll_newkey
= NULL
;
20340 fdp
->fd_di
= lv
.ll_di
;
20342 if (lv
.ll_tv
->v_type
== VAR_FUNC
&& lv
.ll_tv
->vval
.v_string
!= NULL
)
20344 name
= vim_strsave(lv
.ll_tv
->vval
.v_string
);
20349 if (!skip
&& !(flags
& TFN_QUIET
) && (fdp
== NULL
20350 || lv
.ll_dict
== NULL
|| fdp
->fd_newkey
== NULL
))
20351 EMSG(_(e_funcref
));
20359 if (lv
.ll_name
== NULL
)
20361 /* Error found, but continue after the function name. */
20366 /* Check if the name is a Funcref. If so, use the value. */
20367 if (lv
.ll_exp_name
!= NULL
)
20369 len
= (int)STRLEN(lv
.ll_exp_name
);
20370 name
= deref_func_name(lv
.ll_exp_name
, &len
);
20371 if (name
== lv
.ll_exp_name
)
20376 len
= (int)(end
- *pp
);
20377 name
= deref_func_name(*pp
, &len
);
20383 name
= vim_strsave(name
);
20388 if (lv
.ll_exp_name
!= NULL
)
20390 len
= (int)STRLEN(lv
.ll_exp_name
);
20391 if (lead
<= 2 && lv
.ll_name
== lv
.ll_exp_name
20392 && STRNCMP(lv
.ll_name
, "s:", 2) == 0)
20394 /* When there was "s:" already or the name expanded to get a
20395 * leading "s:" then remove it. */
20403 if (lead
== 2) /* skip over "s:" */
20405 len
= (int)(end
- lv
.ll_name
);
20409 * Copy the function name to allocated memory.
20410 * Accept <SID>name() inside a script, translate into <SNR>123_name().
20411 * Accept <SNR>123_name() outside a script.
20414 lead
= 0; /* do nothing */
20418 if ((lv
.ll_exp_name
!= NULL
&& eval_fname_sid(lv
.ll_exp_name
))
20419 || eval_fname_sid(*pp
))
20421 /* It's "s:" or "<SID>" */
20422 if (current_SID
<= 0)
20424 EMSG(_(e_usingsid
));
20427 sprintf((char *)sid_buf
, "%ld_", (long)current_SID
);
20428 lead
+= (int)STRLEN(sid_buf
);
20431 else if (!(flags
& TFN_INT
) && builtin_function(lv
.ll_name
))
20433 EMSG2(_("E128: Function name must start with a capital or contain a colon: %s"), lv
.ll_name
);
20436 name
= alloc((unsigned)(len
+ lead
+ 1));
20441 name
[0] = K_SPECIAL
;
20442 name
[1] = KS_EXTRA
;
20443 name
[2] = (int)KE_SNR
;
20444 if (lead
> 3) /* If it's "<SID>" */
20445 STRCPY(name
+ 3, sid_buf
);
20447 mch_memmove(name
+ lead
, lv
.ll_name
, (size_t)len
);
20448 name
[len
+ lead
] = NUL
;
20458 * Return 5 if "p" starts with "<SID>" or "<SNR>" (ignoring case).
20459 * Return 2 if "p" starts with "s:".
20460 * Return 0 otherwise.
20463 eval_fname_script(p
)
20466 if (p
[0] == '<' && (STRNICMP(p
+ 1, "SID>", 4) == 0
20467 || STRNICMP(p
+ 1, "SNR>", 4) == 0))
20469 if (p
[0] == 's' && p
[1] == ':')
20475 * Return TRUE if "p" starts with "<SID>" or "s:".
20476 * Only works if eval_fname_script() returned non-zero for "p"!
20482 return (*p
== 's' || TOUPPER_ASC(p
[2]) == 'I');
20486 * List the head of the function: "name(arg1, arg2)".
20489 list_func_head(fp
, indent
)
20498 MSG_PUTS("function ");
20499 if (fp
->uf_name
[0] == K_SPECIAL
)
20501 MSG_PUTS_ATTR("<SNR>", hl_attr(HLF_8
));
20502 msg_puts(fp
->uf_name
+ 3);
20505 msg_puts(fp
->uf_name
);
20507 for (j
= 0; j
< fp
->uf_args
.ga_len
; ++j
)
20511 msg_puts(FUNCARG(fp
, j
));
20513 if (fp
->uf_varargs
)
20522 last_set_msg(fp
->uf_script_ID
);
20526 * Find a function by name, return pointer to it in ufuncs.
20527 * Return NULL for unknown function.
20535 hi
= hash_find(&func_hashtab
, name
);
20536 if (!HASHITEM_EMPTY(hi
))
20541 #if defined(EXITFREE) || defined(PROTO)
20543 free_all_functions()
20547 /* Need to start all over every time, because func_free() may change the
20549 while (func_hashtab
.ht_used
> 0)
20550 for (hi
= func_hashtab
.ht_array
; ; ++hi
)
20551 if (!HASHITEM_EMPTY(hi
))
20553 func_free(HI2UF(hi
));
20560 * Return TRUE if a function "name" exists.
20563 function_exists(name
)
20570 p
= trans_function_name(&nm
, FALSE
, TFN_INT
|TFN_QUIET
, NULL
);
20571 nm
= skipwhite(nm
);
20573 /* Only accept "funcname", "funcname ", "funcname (..." and
20574 * "funcname(...", not "funcname!...". */
20575 if (p
!= NULL
&& (*nm
== NUL
|| *nm
== '('))
20577 if (builtin_function(p
))
20578 n
= (find_internal_func(p
) >= 0);
20580 n
= (find_func(p
) != NULL
);
20587 * Return TRUE if "name" looks like a builtin function name: starts with a
20588 * lower case letter and doesn't contain a ':' or AUTOLOAD_CHAR.
20591 builtin_function(name
)
20594 return ASCII_ISLOWER(name
[0]) && vim_strchr(name
, ':') == NULL
20595 && vim_strchr(name
, AUTOLOAD_CHAR
) == NULL
;
20598 #if defined(FEAT_PROFILE) || defined(PROTO)
20600 * Start profiling function "fp".
20603 func_do_profile(fp
)
20606 fp
->uf_tm_count
= 0;
20607 profile_zero(&fp
->uf_tm_self
);
20608 profile_zero(&fp
->uf_tm_total
);
20609 if (fp
->uf_tml_count
== NULL
)
20610 fp
->uf_tml_count
= (int *)alloc_clear((unsigned)
20611 (sizeof(int) * fp
->uf_lines
.ga_len
));
20612 if (fp
->uf_tml_total
== NULL
)
20613 fp
->uf_tml_total
= (proftime_T
*)alloc_clear((unsigned)
20614 (sizeof(proftime_T
) * fp
->uf_lines
.ga_len
));
20615 if (fp
->uf_tml_self
== NULL
)
20616 fp
->uf_tml_self
= (proftime_T
*)alloc_clear((unsigned)
20617 (sizeof(proftime_T
) * fp
->uf_lines
.ga_len
));
20618 fp
->uf_tml_idx
= -1;
20619 if (fp
->uf_tml_count
== NULL
|| fp
->uf_tml_total
== NULL
20620 || fp
->uf_tml_self
== NULL
)
20621 return; /* out of memory */
20623 fp
->uf_profiling
= TRUE
;
20627 * Dump the profiling results for all functions in file "fd".
20630 func_dump_profile(fd
)
20640 todo
= (int)func_hashtab
.ht_used
;
20642 return; /* nothing to dump */
20644 sorttab
= (ufunc_T
**)alloc((unsigned)(sizeof(ufunc_T
) * todo
));
20646 for (hi
= func_hashtab
.ht_array
; todo
> 0; ++hi
)
20648 if (!HASHITEM_EMPTY(hi
))
20652 if (fp
->uf_profiling
)
20654 if (sorttab
!= NULL
)
20655 sorttab
[st_len
++] = fp
;
20657 if (fp
->uf_name
[0] == K_SPECIAL
)
20658 fprintf(fd
, "FUNCTION <SNR>%s()\n", fp
->uf_name
+ 3);
20660 fprintf(fd
, "FUNCTION %s()\n", fp
->uf_name
);
20661 if (fp
->uf_tm_count
== 1)
20662 fprintf(fd
, "Called 1 time\n");
20664 fprintf(fd
, "Called %d times\n", fp
->uf_tm_count
);
20665 fprintf(fd
, "Total time: %s\n", profile_msg(&fp
->uf_tm_total
));
20666 fprintf(fd
, " Self time: %s\n", profile_msg(&fp
->uf_tm_self
));
20668 fprintf(fd
, "count total (s) self (s)\n");
20670 for (i
= 0; i
< fp
->uf_lines
.ga_len
; ++i
)
20672 if (FUNCLINE(fp
, i
) == NULL
)
20674 prof_func_line(fd
, fp
->uf_tml_count
[i
],
20675 &fp
->uf_tml_total
[i
], &fp
->uf_tml_self
[i
], TRUE
);
20676 fprintf(fd
, "%s\n", FUNCLINE(fp
, i
));
20683 if (sorttab
!= NULL
&& st_len
> 0)
20685 qsort((void *)sorttab
, (size_t)st_len
, sizeof(ufunc_T
*),
20687 prof_sort_list(fd
, sorttab
, st_len
, "TOTAL", FALSE
);
20688 qsort((void *)sorttab
, (size_t)st_len
, sizeof(ufunc_T
*),
20690 prof_sort_list(fd
, sorttab
, st_len
, "SELF", TRUE
);
20697 prof_sort_list(fd
, sorttab
, st_len
, title
, prefer_self
)
20702 int prefer_self
; /* when equal print only self time */
20707 fprintf(fd
, "FUNCTIONS SORTED ON %s TIME\n", title
);
20708 fprintf(fd
, "count total (s) self (s) function\n");
20709 for (i
= 0; i
< 20 && i
< st_len
; ++i
)
20712 prof_func_line(fd
, fp
->uf_tm_count
, &fp
->uf_tm_total
, &fp
->uf_tm_self
,
20714 if (fp
->uf_name
[0] == K_SPECIAL
)
20715 fprintf(fd
, " <SNR>%s()\n", fp
->uf_name
+ 3);
20717 fprintf(fd
, " %s()\n", fp
->uf_name
);
20723 * Print the count and times for one function or function line.
20726 prof_func_line(fd
, count
, total
, self
, prefer_self
)
20731 int prefer_self
; /* when equal print only self time */
20735 fprintf(fd
, "%5d ", count
);
20736 if (prefer_self
&& profile_equal(total
, self
))
20739 fprintf(fd
, "%s ", profile_msg(total
));
20740 if (!prefer_self
&& profile_equal(total
, self
))
20743 fprintf(fd
, "%s ", profile_msg(self
));
20750 * Compare function for total time sorting.
20753 #ifdef __BORLANDC__
20756 prof_total_cmp(s1
, s2
)
20762 p1
= *(ufunc_T
**)s1
;
20763 p2
= *(ufunc_T
**)s2
;
20764 return profile_cmp(&p1
->uf_tm_total
, &p2
->uf_tm_total
);
20768 * Compare function for self time sorting.
20771 #ifdef __BORLANDC__
20774 prof_self_cmp(s1
, s2
)
20780 p1
= *(ufunc_T
**)s1
;
20781 p2
= *(ufunc_T
**)s2
;
20782 return profile_cmp(&p1
->uf_tm_self
, &p2
->uf_tm_self
);
20788 * If "name" has a package name try autoloading the script for it.
20789 * Return TRUE if a package was loaded.
20792 script_autoload(name
, reload
)
20794 int reload
; /* load script again when already loaded */
20797 char_u
*scriptname
, *tofree
;
20801 /* If there is no '#' after name[0] there is no package name. */
20802 p
= vim_strchr(name
, AUTOLOAD_CHAR
);
20803 if (p
== NULL
|| p
== name
)
20806 tofree
= scriptname
= autoload_name(name
);
20808 /* Find the name in the list of previously loaded package names. Skip
20809 * "autoload/", it's always the same. */
20810 for (i
= 0; i
< ga_loaded
.ga_len
; ++i
)
20811 if (STRCMP(((char_u
**)ga_loaded
.ga_data
)[i
] + 9, scriptname
+ 9) == 0)
20813 if (!reload
&& i
< ga_loaded
.ga_len
)
20814 ret
= FALSE
; /* was loaded already */
20817 /* Remember the name if it wasn't loaded already. */
20818 if (i
== ga_loaded
.ga_len
&& ga_grow(&ga_loaded
, 1) == OK
)
20820 ((char_u
**)ga_loaded
.ga_data
)[ga_loaded
.ga_len
++] = scriptname
;
20824 /* Try loading the package from $VIMRUNTIME/autoload/<name>.vim */
20825 if (source_runtime(scriptname
, FALSE
) == OK
)
20834 * Return the autoload script name for a function or variable name.
20835 * Returns NULL when out of memory.
20838 autoload_name(name
)
20842 char_u
*scriptname
;
20844 /* Get the script file name: replace '#' with '/', append ".vim". */
20845 scriptname
= alloc((unsigned)(STRLEN(name
) + 14));
20846 if (scriptname
== NULL
)
20848 STRCPY(scriptname
, "autoload/");
20849 STRCAT(scriptname
, name
);
20850 *vim_strrchr(scriptname
, AUTOLOAD_CHAR
) = NUL
;
20851 STRCAT(scriptname
, ".vim");
20852 while ((p
= vim_strchr(scriptname
, AUTOLOAD_CHAR
)) != NULL
)
20857 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
20860 * Function given to ExpandGeneric() to obtain the list of user defined
20864 get_user_func_name(xp
, idx
)
20868 static long_u done
;
20869 static hashitem_T
*hi
;
20875 hi
= func_hashtab
.ht_array
;
20877 if (done
< func_hashtab
.ht_used
)
20881 while (HASHITEM_EMPTY(hi
))
20885 if (STRLEN(fp
->uf_name
) + 4 >= IOSIZE
)
20886 return fp
->uf_name
; /* prevents overflow */
20888 cat_func_name(IObuff
, fp
);
20889 if (xp
->xp_context
!= EXPAND_USER_FUNC
)
20891 STRCAT(IObuff
, "(");
20892 if (!fp
->uf_varargs
&& fp
->uf_args
.ga_len
== 0)
20893 STRCAT(IObuff
, ")");
20900 #endif /* FEAT_CMDL_COMPL */
20903 * Copy the function name of "fp" to buffer "buf".
20904 * "buf" must be able to hold the function name plus three bytes.
20905 * Takes care of script-local function names.
20908 cat_func_name(buf
, fp
)
20912 if (fp
->uf_name
[0] == K_SPECIAL
)
20914 STRCPY(buf
, "<SNR>");
20915 STRCAT(buf
, fp
->uf_name
+ 3);
20918 STRCPY(buf
, fp
->uf_name
);
20922 * ":delfunction {name}"
20925 ex_delfunction(eap
)
20928 ufunc_T
*fp
= NULL
;
20934 name
= trans_function_name(&p
, eap
->skip
, 0, &fudi
);
20935 vim_free(fudi
.fd_newkey
);
20938 if (fudi
.fd_dict
!= NULL
&& !eap
->skip
)
20939 EMSG(_(e_funcref
));
20942 if (!ends_excmd(*skipwhite(p
)))
20945 EMSG(_(e_trailing
));
20948 eap
->nextcmd
= check_nextcmd(p
);
20949 if (eap
->nextcmd
!= NULL
)
20953 fp
= find_func(name
);
20960 EMSG2(_(e_nofunc
), eap
->arg
);
20963 if (fp
->uf_calls
> 0)
20965 EMSG2(_("E131: Cannot delete function %s: It is in use"), eap
->arg
);
20969 if (fudi
.fd_dict
!= NULL
)
20971 /* Delete the dict item that refers to the function, it will
20972 * invoke func_unref() and possibly delete the function. */
20973 dictitem_remove(fudi
.fd_dict
, fudi
.fd_di
);
20981 * Free a function and remove it from the list of functions.
20989 /* clear this function */
20990 ga_clear_strings(&(fp
->uf_args
));
20991 ga_clear_strings(&(fp
->uf_lines
));
20992 #ifdef FEAT_PROFILE
20993 vim_free(fp
->uf_tml_count
);
20994 vim_free(fp
->uf_tml_total
);
20995 vim_free(fp
->uf_tml_self
);
20998 /* remove the function from the function hashtable */
20999 hi
= hash_find(&func_hashtab
, UF2HIKEY(fp
));
21000 if (HASHITEM_EMPTY(hi
))
21001 EMSG2(_(e_intern2
), "func_free()");
21003 hash_remove(&func_hashtab
, hi
);
21009 * Unreference a Function: decrement the reference count and free it when it
21010 * becomes zero. Only for numbered functions.
21018 if (name
!= NULL
&& isdigit(*name
))
21020 fp
= find_func(name
);
21022 EMSG2(_(e_intern2
), "func_unref()");
21023 else if (--fp
->uf_refcount
<= 0)
21025 /* Only delete it when it's not being used. Otherwise it's done
21026 * when "uf_calls" becomes zero. */
21027 if (fp
->uf_calls
== 0)
21034 * Count a reference to a Function.
21042 if (name
!= NULL
&& isdigit(*name
))
21044 fp
= find_func(name
);
21046 EMSG2(_(e_intern2
), "func_ref()");
21053 * Call a user function.
21056 call_user_func(fp
, argcount
, argvars
, rettv
, firstline
, lastline
, selfdict
)
21057 ufunc_T
*fp
; /* pointer to function */
21058 int argcount
; /* nr of args */
21059 typval_T
*argvars
; /* arguments */
21060 typval_T
*rettv
; /* return value */
21061 linenr_T firstline
; /* first line of range */
21062 linenr_T lastline
; /* last line of range */
21063 dict_T
*selfdict
; /* Dictionary for "self" */
21065 char_u
*save_sourcing_name
;
21066 linenr_T save_sourcing_lnum
;
21067 scid_T save_current_SID
;
21070 static int depth
= 0;
21072 int fixvar_idx
= 0; /* index in fixvar[] */
21075 char_u numbuf
[NUMBUFLEN
];
21077 #ifdef FEAT_PROFILE
21078 proftime_T wait_start
;
21079 proftime_T call_start
;
21082 /* If depth of calling is getting too high, don't execute the function */
21083 if (depth
>= p_mfd
)
21085 EMSG(_("E132: Function call depth is higher than 'maxfuncdepth'"));
21086 rettv
->v_type
= VAR_NUMBER
;
21087 rettv
->vval
.v_number
= -1;
21092 line_breakcheck(); /* check for CTRL-C hit */
21094 fc
= (funccall_T
*)alloc(sizeof(funccall_T
));
21095 fc
->caller
= current_funccal
;
21096 current_funccal
= fc
;
21099 rettv
->vval
.v_number
= 0;
21101 fc
->returned
= FALSE
;
21102 fc
->level
= ex_nesting_level
;
21103 /* Check if this function has a breakpoint. */
21104 fc
->breakpoint
= dbg_find_breakpoint(FALSE
, fp
->uf_name
, (linenr_T
)0);
21105 fc
->dbg_tick
= debug_tick
;
21108 * Note about using fc->fixvar[]: This is an array of FIXVAR_CNT variables
21109 * with names up to VAR_SHORT_LEN long. This avoids having to alloc/free
21110 * each argument variable and saves a lot of time.
21113 * Init l: variables.
21115 init_var_dict(&fc
->l_vars
, &fc
->l_vars_var
);
21116 if (selfdict
!= NULL
)
21118 /* Set l:self to "selfdict". Use "name" to avoid a warning from
21119 * some compiler that checks the destination size. */
21120 v
= &fc
->fixvar
[fixvar_idx
++].var
;
21122 STRCPY(name
, "self");
21123 v
->di_flags
= DI_FLAGS_RO
+ DI_FLAGS_FIX
;
21124 hash_add(&fc
->l_vars
.dv_hashtab
, DI2HIKEY(v
));
21125 v
->di_tv
.v_type
= VAR_DICT
;
21126 v
->di_tv
.v_lock
= 0;
21127 v
->di_tv
.vval
.v_dict
= selfdict
;
21128 ++selfdict
->dv_refcount
;
21132 * Init a: variables.
21133 * Set a:0 to "argcount".
21134 * Set a:000 to a list with room for the "..." arguments.
21136 init_var_dict(&fc
->l_avars
, &fc
->l_avars_var
);
21137 add_nr_var(&fc
->l_avars
, &fc
->fixvar
[fixvar_idx
++].var
, "0",
21138 (varnumber_T
)(argcount
- fp
->uf_args
.ga_len
));
21139 /* Use "name" to avoid a warning from some compiler that checks the
21140 * destination size. */
21141 v
= &fc
->fixvar
[fixvar_idx
++].var
;
21143 STRCPY(name
, "000");
21144 v
->di_flags
= DI_FLAGS_RO
| DI_FLAGS_FIX
;
21145 hash_add(&fc
->l_avars
.dv_hashtab
, DI2HIKEY(v
));
21146 v
->di_tv
.v_type
= VAR_LIST
;
21147 v
->di_tv
.v_lock
= VAR_FIXED
;
21148 v
->di_tv
.vval
.v_list
= &fc
->l_varlist
;
21149 vim_memset(&fc
->l_varlist
, 0, sizeof(list_T
));
21150 fc
->l_varlist
.lv_refcount
= DO_NOT_FREE_CNT
;
21151 fc
->l_varlist
.lv_lock
= VAR_FIXED
;
21154 * Set a:firstline to "firstline" and a:lastline to "lastline".
21155 * Set a:name to named arguments.
21156 * Set a:N to the "..." arguments.
21158 add_nr_var(&fc
->l_avars
, &fc
->fixvar
[fixvar_idx
++].var
, "firstline",
21159 (varnumber_T
)firstline
);
21160 add_nr_var(&fc
->l_avars
, &fc
->fixvar
[fixvar_idx
++].var
, "lastline",
21161 (varnumber_T
)lastline
);
21162 for (i
= 0; i
< argcount
; ++i
)
21164 ai
= i
- fp
->uf_args
.ga_len
;
21166 /* named argument a:name */
21167 name
= FUNCARG(fp
, i
);
21170 /* "..." argument a:1, a:2, etc. */
21171 sprintf((char *)numbuf
, "%d", ai
+ 1);
21174 if (fixvar_idx
< FIXVAR_CNT
&& STRLEN(name
) <= VAR_SHORT_LEN
)
21176 v
= &fc
->fixvar
[fixvar_idx
++].var
;
21177 v
->di_flags
= DI_FLAGS_RO
| DI_FLAGS_FIX
;
21181 v
= (dictitem_T
*)alloc((unsigned)(sizeof(dictitem_T
)
21185 v
->di_flags
= DI_FLAGS_RO
;
21187 STRCPY(v
->di_key
, name
);
21188 hash_add(&fc
->l_avars
.dv_hashtab
, DI2HIKEY(v
));
21190 /* Note: the values are copied directly to avoid alloc/free.
21191 * "argvars" must have VAR_FIXED for v_lock. */
21192 v
->di_tv
= argvars
[i
];
21193 v
->di_tv
.v_lock
= VAR_FIXED
;
21195 if (ai
>= 0 && ai
< MAX_FUNC_ARGS
)
21197 list_append(&fc
->l_varlist
, &fc
->l_listitems
[ai
]);
21198 fc
->l_listitems
[ai
].li_tv
= argvars
[i
];
21199 fc
->l_listitems
[ai
].li_tv
.v_lock
= VAR_FIXED
;
21203 /* Don't redraw while executing the function. */
21204 ++RedrawingDisabled
;
21205 save_sourcing_name
= sourcing_name
;
21206 save_sourcing_lnum
= sourcing_lnum
;
21208 sourcing_name
= alloc((unsigned)((save_sourcing_name
== NULL
? 0
21209 : STRLEN(save_sourcing_name
)) + STRLEN(fp
->uf_name
) + 13));
21210 if (sourcing_name
!= NULL
)
21212 if (save_sourcing_name
!= NULL
21213 && STRNCMP(save_sourcing_name
, "function ", 9) == 0)
21214 sprintf((char *)sourcing_name
, "%s..", save_sourcing_name
);
21216 STRCPY(sourcing_name
, "function ");
21217 cat_func_name(sourcing_name
+ STRLEN(sourcing_name
), fp
);
21219 if (p_verbose
>= 12)
21222 verbose_enter_scroll();
21224 smsg((char_u
*)_("calling %s"), sourcing_name
);
21225 if (p_verbose
>= 14)
21227 char_u buf
[MSG_BUF_LEN
];
21228 char_u numbuf2
[NUMBUFLEN
];
21232 msg_puts((char_u
*)"(");
21233 for (i
= 0; i
< argcount
; ++i
)
21236 msg_puts((char_u
*)", ");
21237 if (argvars
[i
].v_type
== VAR_NUMBER
)
21238 msg_outnum((long)argvars
[i
].vval
.v_number
);
21241 s
= tv2string(&argvars
[i
], &tofree
, numbuf2
, 0);
21244 trunc_string(s
, buf
, MSG_BUF_CLEN
);
21250 msg_puts((char_u
*)")");
21252 msg_puts((char_u
*)"\n"); /* don't overwrite this either */
21254 verbose_leave_scroll();
21258 #ifdef FEAT_PROFILE
21259 if (do_profiling
== PROF_YES
)
21261 if (!fp
->uf_profiling
&& has_profiling(FALSE
, fp
->uf_name
, NULL
))
21262 func_do_profile(fp
);
21263 if (fp
->uf_profiling
21264 || (fc
->caller
!= NULL
&& fc
->caller
->func
->uf_profiling
))
21267 profile_start(&call_start
);
21268 profile_zero(&fp
->uf_tm_children
);
21270 script_prof_save(&wait_start
);
21274 save_current_SID
= current_SID
;
21275 current_SID
= fp
->uf_script_ID
;
21276 save_did_emsg
= did_emsg
;
21279 /* call do_cmdline() to execute the lines */
21280 do_cmdline(NULL
, get_func_line
, (void *)fc
,
21281 DOCMD_NOWAIT
|DOCMD_VERBOSE
|DOCMD_REPEAT
);
21283 --RedrawingDisabled
;
21285 /* when the function was aborted because of an error, return -1 */
21286 if ((did_emsg
&& (fp
->uf_flags
& FC_ABORT
)) || rettv
->v_type
== VAR_UNKNOWN
)
21289 rettv
->v_type
= VAR_NUMBER
;
21290 rettv
->vval
.v_number
= -1;
21293 #ifdef FEAT_PROFILE
21294 if (do_profiling
== PROF_YES
&& (fp
->uf_profiling
21295 || (fc
->caller
!= NULL
&& fc
->caller
->func
->uf_profiling
)))
21297 profile_end(&call_start
);
21298 profile_sub_wait(&wait_start
, &call_start
);
21299 profile_add(&fp
->uf_tm_total
, &call_start
);
21300 profile_self(&fp
->uf_tm_self
, &call_start
, &fp
->uf_tm_children
);
21301 if (fc
->caller
!= NULL
&& fc
->caller
->func
->uf_profiling
)
21303 profile_add(&fc
->caller
->func
->uf_tm_children
, &call_start
);
21304 profile_add(&fc
->caller
->func
->uf_tml_children
, &call_start
);
21309 /* when being verbose, mention the return value */
21310 if (p_verbose
>= 12)
21313 verbose_enter_scroll();
21316 smsg((char_u
*)_("%s aborted"), sourcing_name
);
21317 else if (fc
->rettv
->v_type
== VAR_NUMBER
)
21318 smsg((char_u
*)_("%s returning #%ld"), sourcing_name
,
21319 (long)fc
->rettv
->vval
.v_number
);
21322 char_u buf
[MSG_BUF_LEN
];
21323 char_u numbuf2
[NUMBUFLEN
];
21327 /* The value may be very long. Skip the middle part, so that we
21328 * have some idea how it starts and ends. smsg() would always
21329 * truncate it at the end. */
21330 s
= tv2string(fc
->rettv
, &tofree
, numbuf2
, 0);
21333 trunc_string(s
, buf
, MSG_BUF_CLEN
);
21334 smsg((char_u
*)_("%s returning %s"), sourcing_name
, buf
);
21338 msg_puts((char_u
*)"\n"); /* don't overwrite this either */
21340 verbose_leave_scroll();
21344 vim_free(sourcing_name
);
21345 sourcing_name
= save_sourcing_name
;
21346 sourcing_lnum
= save_sourcing_lnum
;
21347 current_SID
= save_current_SID
;
21348 #ifdef FEAT_PROFILE
21349 if (do_profiling
== PROF_YES
)
21350 script_prof_restore(&wait_start
);
21353 if (p_verbose
>= 12 && sourcing_name
!= NULL
)
21356 verbose_enter_scroll();
21358 smsg((char_u
*)_("continuing in %s"), sourcing_name
);
21359 msg_puts((char_u
*)"\n"); /* don't overwrite this either */
21361 verbose_leave_scroll();
21365 did_emsg
|= save_did_emsg
;
21366 current_funccal
= fc
->caller
;
21369 /* If the a:000 list and the l: and a: dicts are not referenced we can
21370 * free the funccall_T and what's in it. */
21371 if (fc
->l_varlist
.lv_refcount
== DO_NOT_FREE_CNT
21372 && fc
->l_vars
.dv_refcount
== DO_NOT_FREE_CNT
21373 && fc
->l_avars
.dv_refcount
== DO_NOT_FREE_CNT
)
21375 free_funccal(fc
, FALSE
);
21383 /* "fc" is still in use. This can happen when returning "a:000" or
21384 * assigning "l:" to a global variable.
21385 * Link "fc" in the list for garbage collection later. */
21386 fc
->caller
= previous_funccal
;
21387 previous_funccal
= fc
;
21389 /* Make a copy of the a: variables, since we didn't do that above. */
21390 todo
= (int)fc
->l_avars
.dv_hashtab
.ht_used
;
21391 for (hi
= fc
->l_avars
.dv_hashtab
.ht_array
; todo
> 0; ++hi
)
21393 if (!HASHITEM_EMPTY(hi
))
21397 copy_tv(&v
->di_tv
, &v
->di_tv
);
21401 /* Make a copy of the a:000 items, since we didn't do that above. */
21402 for (li
= fc
->l_varlist
.lv_first
; li
!= NULL
; li
= li
->li_next
)
21403 copy_tv(&li
->li_tv
, &li
->li_tv
);
21408 * Return TRUE if items in "fc" do not have "copyID". That means they are not
21409 * referenced from anywhere that is in use.
21412 can_free_funccal(fc
, copyID
)
21416 return (fc
->l_varlist
.lv_copyID
!= copyID
21417 && fc
->l_vars
.dv_copyID
!= copyID
21418 && fc
->l_avars
.dv_copyID
!= copyID
);
21422 * Free "fc" and what it contains.
21425 free_funccal(fc
, free_val
)
21427 int free_val
; /* a: vars were allocated */
21431 /* The a: variables typevals may not have been allocated, only free the
21432 * allocated variables. */
21433 vars_clear_ext(&fc
->l_avars
.dv_hashtab
, free_val
);
21435 /* free all l: variables */
21436 vars_clear(&fc
->l_vars
.dv_hashtab
);
21438 /* Free the a:000 variables if they were allocated. */
21440 for (li
= fc
->l_varlist
.lv_first
; li
!= NULL
; li
= li
->li_next
)
21441 clear_tv(&li
->li_tv
);
21447 * Add a number variable "name" to dict "dp" with value "nr".
21450 add_nr_var(dp
, v
, name
, nr
)
21456 STRCPY(v
->di_key
, name
);
21457 v
->di_flags
= DI_FLAGS_RO
| DI_FLAGS_FIX
;
21458 hash_add(&dp
->dv_hashtab
, DI2HIKEY(v
));
21459 v
->di_tv
.v_type
= VAR_NUMBER
;
21460 v
->di_tv
.v_lock
= VAR_FIXED
;
21461 v
->di_tv
.vval
.v_number
= nr
;
21471 char_u
*arg
= eap
->arg
;
21473 int returning
= FALSE
;
21475 if (current_funccal
== NULL
)
21477 EMSG(_("E133: :return not inside a function"));
21484 eap
->nextcmd
= NULL
;
21485 if ((*arg
!= NUL
&& *arg
!= '|' && *arg
!= '\n')
21486 && eval0(arg
, &rettv
, &eap
->nextcmd
, !eap
->skip
) != FAIL
)
21489 returning
= do_return(eap
, FALSE
, TRUE
, &rettv
);
21493 /* It's safer to return also on error. */
21494 else if (!eap
->skip
)
21497 * Return unless the expression evaluation has been cancelled due to an
21498 * aborting error, an interrupt, or an exception.
21501 returning
= do_return(eap
, FALSE
, TRUE
, NULL
);
21504 /* When skipping or the return gets pending, advance to the next command
21505 * in this line (!returning). Otherwise, ignore the rest of the line.
21506 * Following lines will be ignored by get_func_line(). */
21508 eap
->nextcmd
= NULL
;
21509 else if (eap
->nextcmd
== NULL
) /* no argument */
21510 eap
->nextcmd
= check_nextcmd(arg
);
21517 * Return from a function. Possibly makes the return pending. Also called
21518 * for a pending return at the ":endtry" or after returning from an extra
21519 * do_cmdline(). "reanimate" is used in the latter case. "is_cmd" is set
21520 * when called due to a ":return" command. "rettv" may point to a typval_T
21521 * with the return rettv. Returns TRUE when the return can be carried out,
21522 * FALSE when the return gets pending.
21525 do_return(eap
, reanimate
, is_cmd
, rettv
)
21532 struct condstack
*cstack
= eap
->cstack
;
21535 /* Undo the return. */
21536 current_funccal
->returned
= FALSE
;
21539 * Cleanup (and inactivate) conditionals, but stop when a try conditional
21540 * not in its finally clause (which then is to be executed next) is found.
21541 * In this case, make the ":return" pending for execution at the ":endtry".
21542 * Otherwise, return normally.
21544 idx
= cleanup_conditionals(eap
->cstack
, 0, TRUE
);
21547 cstack
->cs_pending
[idx
] = CSTP_RETURN
;
21549 if (!is_cmd
&& !reanimate
)
21550 /* A pending return again gets pending. "rettv" points to an
21551 * allocated variable with the rettv of the original ":return"'s
21552 * argument if present or is NULL else. */
21553 cstack
->cs_rettv
[idx
] = rettv
;
21556 /* When undoing a return in order to make it pending, get the stored
21559 rettv
= current_funccal
->rettv
;
21563 /* Store the value of the pending return. */
21564 if ((cstack
->cs_rettv
[idx
] = alloc_tv()) != NULL
)
21565 *(typval_T
*)cstack
->cs_rettv
[idx
] = *(typval_T
*)rettv
;
21567 EMSG(_(e_outofmem
));
21570 cstack
->cs_rettv
[idx
] = NULL
;
21574 /* The pending return value could be overwritten by a ":return"
21575 * without argument in a finally clause; reset the default
21577 current_funccal
->rettv
->v_type
= VAR_NUMBER
;
21578 current_funccal
->rettv
->vval
.v_number
= 0;
21581 report_make_pending(CSTP_RETURN
, rettv
);
21585 current_funccal
->returned
= TRUE
;
21587 /* If the return is carried out now, store the return value. For
21588 * a return immediately after reanimation, the value is already
21590 if (!reanimate
&& rettv
!= NULL
)
21592 clear_tv(current_funccal
->rettv
);
21593 *current_funccal
->rettv
= *(typval_T
*)rettv
;
21603 * Free the variable with a pending return value.
21606 discard_pending_return(rettv
)
21609 free_tv((typval_T
*)rettv
);
21613 * Generate a return command for producing the value of "rettv". The result
21614 * is an allocated string. Used by report_pending() for verbose messages.
21617 get_return_cmd(rettv
)
21621 char_u
*tofree
= NULL
;
21622 char_u numbuf
[NUMBUFLEN
];
21625 s
= echo_string((typval_T
*)rettv
, &tofree
, numbuf
, 0);
21629 STRCPY(IObuff
, ":return ");
21630 STRNCPY(IObuff
+ 8, s
, IOSIZE
- 8);
21631 if (STRLEN(s
) + 8 >= IOSIZE
)
21632 STRCPY(IObuff
+ IOSIZE
- 4, "...");
21634 return vim_strsave(IObuff
);
21638 * Get next function line.
21639 * Called by do_cmdline() to get the next line.
21640 * Returns allocated string, or NULL for end of function.
21643 get_func_line(c
, cookie
, indent
)
21648 funccall_T
*fcp
= (funccall_T
*)cookie
;
21649 ufunc_T
*fp
= fcp
->func
;
21651 garray_T
*gap
; /* growarray with function lines */
21653 /* If breakpoints have been added/deleted need to check for it. */
21654 if (fcp
->dbg_tick
!= debug_tick
)
21656 fcp
->breakpoint
= dbg_find_breakpoint(FALSE
, fp
->uf_name
,
21658 fcp
->dbg_tick
= debug_tick
;
21660 #ifdef FEAT_PROFILE
21661 if (do_profiling
== PROF_YES
)
21662 func_line_end(cookie
);
21665 gap
= &fp
->uf_lines
;
21666 if (((fp
->uf_flags
& FC_ABORT
) && did_emsg
&& !aborted_in_try())
21671 /* Skip NULL lines (continuation lines). */
21672 while (fcp
->linenr
< gap
->ga_len
21673 && ((char_u
**)(gap
->ga_data
))[fcp
->linenr
] == NULL
)
21675 if (fcp
->linenr
>= gap
->ga_len
)
21679 retval
= vim_strsave(((char_u
**)(gap
->ga_data
))[fcp
->linenr
++]);
21680 sourcing_lnum
= fcp
->linenr
;
21681 #ifdef FEAT_PROFILE
21682 if (do_profiling
== PROF_YES
)
21683 func_line_start(cookie
);
21688 /* Did we encounter a breakpoint? */
21689 if (fcp
->breakpoint
!= 0 && fcp
->breakpoint
<= sourcing_lnum
)
21691 dbg_breakpoint(fp
->uf_name
, sourcing_lnum
);
21692 /* Find next breakpoint. */
21693 fcp
->breakpoint
= dbg_find_breakpoint(FALSE
, fp
->uf_name
,
21695 fcp
->dbg_tick
= debug_tick
;
21701 #if defined(FEAT_PROFILE) || defined(PROTO)
21703 * Called when starting to read a function line.
21704 * "sourcing_lnum" must be correct!
21705 * When skipping lines it may not actually be executed, but we won't find out
21706 * until later and we need to store the time now.
21709 func_line_start(cookie
)
21712 funccall_T
*fcp
= (funccall_T
*)cookie
;
21713 ufunc_T
*fp
= fcp
->func
;
21715 if (fp
->uf_profiling
&& sourcing_lnum
>= 1
21716 && sourcing_lnum
<= fp
->uf_lines
.ga_len
)
21718 fp
->uf_tml_idx
= sourcing_lnum
- 1;
21719 /* Skip continuation lines. */
21720 while (fp
->uf_tml_idx
> 0 && FUNCLINE(fp
, fp
->uf_tml_idx
) == NULL
)
21722 fp
->uf_tml_execed
= FALSE
;
21723 profile_start(&fp
->uf_tml_start
);
21724 profile_zero(&fp
->uf_tml_children
);
21725 profile_get_wait(&fp
->uf_tml_wait
);
21730 * Called when actually executing a function line.
21733 func_line_exec(cookie
)
21736 funccall_T
*fcp
= (funccall_T
*)cookie
;
21737 ufunc_T
*fp
= fcp
->func
;
21739 if (fp
->uf_profiling
&& fp
->uf_tml_idx
>= 0)
21740 fp
->uf_tml_execed
= TRUE
;
21744 * Called when done with a function line.
21747 func_line_end(cookie
)
21750 funccall_T
*fcp
= (funccall_T
*)cookie
;
21751 ufunc_T
*fp
= fcp
->func
;
21753 if (fp
->uf_profiling
&& fp
->uf_tml_idx
>= 0)
21755 if (fp
->uf_tml_execed
)
21757 ++fp
->uf_tml_count
[fp
->uf_tml_idx
];
21758 profile_end(&fp
->uf_tml_start
);
21759 profile_sub_wait(&fp
->uf_tml_wait
, &fp
->uf_tml_start
);
21760 profile_add(&fp
->uf_tml_total
[fp
->uf_tml_idx
], &fp
->uf_tml_start
);
21761 profile_self(&fp
->uf_tml_self
[fp
->uf_tml_idx
], &fp
->uf_tml_start
,
21762 &fp
->uf_tml_children
);
21764 fp
->uf_tml_idx
= -1;
21770 * Return TRUE if the currently active function should be ended, because a
21771 * return was encountered or an error occurred. Used inside a ":while".
21774 func_has_ended(cookie
)
21777 funccall_T
*fcp
= (funccall_T
*)cookie
;
21779 /* Ignore the "abort" flag if the abortion behavior has been changed due to
21780 * an error inside a try conditional. */
21781 return (((fcp
->func
->uf_flags
& FC_ABORT
) && did_emsg
&& !aborted_in_try())
21786 * return TRUE if cookie indicates a function which "abort"s on errors.
21789 func_has_abort(cookie
)
21792 return ((funccall_T
*)cookie
)->func
->uf_flags
& FC_ABORT
;
21795 #if defined(FEAT_VIMINFO) || defined(FEAT_SESSION)
21798 VAR_FLAVOUR_DEFAULT
, /* doesn't start with uppercase */
21799 VAR_FLAVOUR_SESSION
, /* starts with uppercase, some lower */
21800 VAR_FLAVOUR_VIMINFO
/* all uppercase */
21803 static var_flavour_T var_flavour
__ARGS((char_u
*varname
));
21805 static var_flavour_T
21806 var_flavour(varname
)
21809 char_u
*p
= varname
;
21811 if (ASCII_ISUPPER(*p
))
21814 if (ASCII_ISLOWER(*p
))
21815 return VAR_FLAVOUR_SESSION
;
21816 return VAR_FLAVOUR_VIMINFO
;
21819 return VAR_FLAVOUR_DEFAULT
;
21823 #if defined(FEAT_VIMINFO) || defined(PROTO)
21825 * Restore global vars that start with a capital from the viminfo file
21828 read_viminfo_varlist(virp
, writing
)
21833 int type
= VAR_NUMBER
;
21836 if (!writing
&& (find_viminfo_parameter('!') != NULL
))
21838 tab
= vim_strchr(virp
->vir_line
+ 1, '\t');
21841 *tab
++ = '\0'; /* isolate the variable name */
21842 if (*tab
== 'S') /* string var */
21845 else if (*tab
== 'F')
21849 tab
= vim_strchr(tab
, '\t');
21853 if (type
== VAR_STRING
)
21854 tv
.vval
.v_string
= viminfo_readstring(virp
,
21855 (int)(tab
- virp
->vir_line
+ 1), TRUE
);
21857 else if (type
== VAR_FLOAT
)
21858 (void)string2float(tab
+ 1, &tv
.vval
.v_float
);
21861 tv
.vval
.v_number
= atol((char *)tab
+ 1);
21862 set_var(virp
->vir_line
+ 1, &tv
, FALSE
);
21863 if (type
== VAR_STRING
)
21864 vim_free(tv
.vval
.v_string
);
21869 return viminfo_readline(virp
);
21873 * Write global vars that start with a capital to the viminfo file
21876 write_viminfo_varlist(fp
)
21880 dictitem_T
*this_var
;
21885 char_u numbuf
[NUMBUFLEN
];
21887 if (find_viminfo_parameter('!') == NULL
)
21890 fprintf(fp
, _("\n# global variables:\n"));
21892 todo
= (int)globvarht
.ht_used
;
21893 for (hi
= globvarht
.ht_array
; todo
> 0; ++hi
)
21895 if (!HASHITEM_EMPTY(hi
))
21898 this_var
= HI2DI(hi
);
21899 if (var_flavour(this_var
->di_key
) == VAR_FLAVOUR_VIMINFO
)
21901 switch (this_var
->di_tv
.v_type
)
21903 case VAR_STRING
: s
= "STR"; break;
21904 case VAR_NUMBER
: s
= "NUM"; break;
21906 case VAR_FLOAT
: s
= "FLO"; break;
21910 fprintf(fp
, "!%s\t%s\t", this_var
->di_key
, s
);
21911 p
= echo_string(&this_var
->di_tv
, &tofree
, numbuf
, 0);
21913 viminfo_writestring(fp
, p
);
21921 #if defined(FEAT_SESSION) || defined(PROTO)
21923 store_session_globals(fd
)
21927 dictitem_T
*this_var
;
21931 todo
= (int)globvarht
.ht_used
;
21932 for (hi
= globvarht
.ht_array
; todo
> 0; ++hi
)
21934 if (!HASHITEM_EMPTY(hi
))
21937 this_var
= HI2DI(hi
);
21938 if ((this_var
->di_tv
.v_type
== VAR_NUMBER
21939 || this_var
->di_tv
.v_type
== VAR_STRING
)
21940 && var_flavour(this_var
->di_key
) == VAR_FLAVOUR_SESSION
)
21942 /* Escape special characters with a backslash. Turn a LF and
21943 * CR into \n and \r. */
21944 p
= vim_strsave_escaped(get_tv_string(&this_var
->di_tv
),
21945 (char_u
*)"\\\"\n\r");
21946 if (p
== NULL
) /* out of memory */
21948 for (t
= p
; *t
!= NUL
; ++t
)
21951 else if (*t
== '\r')
21953 if ((fprintf(fd
, "let %s = %c%s%c",
21955 (this_var
->di_tv
.v_type
== VAR_STRING
) ? '"'
21958 (this_var
->di_tv
.v_type
== VAR_STRING
) ? '"'
21960 || put_eol(fd
) == FAIL
)
21968 else if (this_var
->di_tv
.v_type
== VAR_FLOAT
21969 && var_flavour(this_var
->di_key
) == VAR_FLAVOUR_SESSION
)
21971 float_T f
= this_var
->di_tv
.vval
.v_float
;
21979 if ((fprintf(fd
, "let %s = %c&%f",
21980 this_var
->di_key
, sign
, f
) < 0)
21981 || put_eol(fd
) == FAIL
)
21992 * Display script name where an item was last set.
21993 * Should only be invoked when 'verbose' is non-zero.
21996 last_set_msg(scriptID
)
22003 p
= home_replace_save(NULL
, get_scriptname(scriptID
));
22007 MSG_PUTS(_("\n\tLast set from "));
22016 * List v:oldfiles in a nice way.
22020 exarg_T
*eap UNUSED
;
22022 list_T
*l
= vimvars
[VV_OLDFILES
].vv_list
;
22027 msg((char_u
*)_("No old files"));
22032 for (li
= l
->lv_first
; li
!= NULL
&& !got_int
; li
= li
->li_next
)
22034 msg_outnum((long)++nr
);
22036 msg_outtrans(get_tv_string(&li
->li_tv
));
22038 out_flush(); /* output one line at a time */
22041 /* Assume "got_int" was set to truncate the listing. */
22044 #ifdef FEAT_BROWSE_CMD
22048 nr
= prompt_for_number(FALSE
);
22052 char_u
*p
= list_find_str(get_vim_var_list(VV_OLDFILES
),
22057 p
= expand_env_save(p
);
22059 eap
->cmdidx
= CMD_edit
;
22060 cmdmod
.browse
= FALSE
;
22061 do_exedit(eap
, NULL
);
22070 #endif /* FEAT_EVAL */
22073 #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) || defined(PROTO)
22077 * Functions for ":8" filename modifier: get 8.3 version of a filename.
22079 static int get_short_pathname
__ARGS((char_u
**fnamep
, char_u
**bufp
, int *fnamelen
));
22080 static int shortpath_for_invalid_fname
__ARGS((char_u
**fname
, char_u
**bufp
, int *fnamelen
));
22081 static int shortpath_for_partial
__ARGS((char_u
**fnamep
, char_u
**bufp
, int *fnamelen
));
22084 * Get the short path (8.3) for the filename in "fnamep".
22085 * Only works for a valid file name.
22086 * When the path gets longer "fnamep" is changed and the allocated buffer
22087 * is put in "bufp".
22088 * *fnamelen is the length of "fnamep" and set to 0 for a nonexistent path.
22089 * Returns OK on success, FAIL on failure.
22092 get_short_pathname(fnamep
, bufp
, fnamelen
)
22101 l
= GetShortPathName(*fnamep
, *fnamep
, len
);
22104 /* If that doesn't work (not enough space), then save the string
22105 * and try again with a new buffer big enough. */
22106 newbuf
= vim_strnsave(*fnamep
, l
);
22107 if (newbuf
== NULL
)
22111 *fnamep
= *bufp
= newbuf
;
22113 /* Really should always succeed, as the buffer is big enough. */
22114 l
= GetShortPathName(*fnamep
, *fnamep
, l
+1);
22122 * Get the short path (8.3) for the filename in "fname". The converted
22123 * path is returned in "bufp".
22125 * Some of the directories specified in "fname" may not exist. This function
22126 * will shorten the existing directories at the beginning of the path and then
22127 * append the remaining non-existing path.
22129 * fname - Pointer to the filename to shorten. On return, contains the
22130 * pointer to the shortened pathname
22131 * bufp - Pointer to an allocated buffer for the filename.
22132 * fnamelen - Length of the filename pointed to by fname
22134 * Returns OK on success (or nothing done) and FAIL on failure (out of memory).
22137 shortpath_for_invalid_fname(fname
, bufp
, fnamelen
)
22142 char_u
*short_fname
, *save_fname
, *pbuf_unused
;
22143 char_u
*endp
, *save_endp
;
22146 int new_len
, sfx_len
;
22150 old_len
= *fnamelen
;
22151 save_fname
= vim_strnsave(*fname
, old_len
);
22152 pbuf_unused
= NULL
;
22153 short_fname
= NULL
;
22155 endp
= save_fname
+ old_len
- 1; /* Find the end of the copy */
22159 * Try shortening the supplied path till it succeeds by removing one
22160 * directory at a time from the tail of the path.
22165 /* go back one path-separator */
22166 while (endp
> save_fname
&& !after_pathsep(save_fname
, endp
+ 1))
22168 if (endp
<= save_fname
)
22169 break; /* processed the complete path */
22172 * Replace the path separator with a NUL and try to shorten the
22177 short_fname
= save_fname
;
22178 len
= (int)STRLEN(short_fname
) + 1;
22179 if (get_short_pathname(&short_fname
, &pbuf_unused
, &len
) == FAIL
)
22184 *endp
= ch
; /* preserve the string */
22187 break; /* successfully shortened the path */
22189 /* failed to shorten the path. Skip the path separator */
22196 * Succeeded in shortening the path. Now concatenate the shortened
22197 * path with the remaining path at the tail.
22200 /* Compute the length of the new path. */
22201 sfx_len
= (int)(save_endp
- endp
) + 1;
22202 new_len
= len
+ sfx_len
;
22204 *fnamelen
= new_len
;
22206 if (new_len
> old_len
)
22208 /* There is not enough space in the currently allocated string,
22209 * copy it to a buffer big enough. */
22210 *fname
= *bufp
= vim_strnsave(short_fname
, new_len
);
22211 if (*fname
== NULL
)
22219 /* Transfer short_fname to the main buffer (it's big enough),
22220 * unless get_short_pathname() did its work in-place. */
22221 *fname
= *bufp
= save_fname
;
22222 if (short_fname
!= save_fname
)
22223 vim_strncpy(save_fname
, short_fname
, len
);
22227 /* concat the not-shortened part of the path */
22228 vim_strncpy(*fname
+ len
, endp
, sfx_len
);
22229 (*fname
)[new_len
] = NUL
;
22233 vim_free(pbuf_unused
);
22234 vim_free(save_fname
);
22240 * Get a pathname for a partial path.
22241 * Returns OK for success, FAIL for failure.
22244 shortpath_for_partial(fnamep
, bufp
, fnamelen
)
22249 int sepcount
, len
, tflen
;
22251 char_u
*pbuf
, *tfname
;
22254 /* Count up the path separators from the RHS.. so we know which part
22255 * of the path to return. */
22257 for (p
= *fnamep
; p
< *fnamep
+ *fnamelen
; mb_ptr_adv(p
))
22258 if (vim_ispathsep(*p
))
22261 /* Need full path first (use expand_env() to remove a "~/") */
22262 hasTilde
= (**fnamep
== '~');
22264 pbuf
= tfname
= expand_env_save(*fnamep
);
22266 pbuf
= tfname
= FullName_save(*fnamep
, FALSE
);
22268 len
= tflen
= (int)STRLEN(tfname
);
22270 if (get_short_pathname(&tfname
, &pbuf
, &len
) == FAIL
)
22275 /* Don't have a valid filename, so shorten the rest of the
22276 * path if we can. This CAN give us invalid 8.3 filenames, but
22277 * there's not a lot of point in guessing what it might be.
22280 if (shortpath_for_invalid_fname(&tfname
, &pbuf
, &len
) == FAIL
)
22284 /* Count the paths backward to find the beginning of the desired string. */
22285 for (p
= tfname
+ len
- 1; p
>= tfname
; --p
)
22289 p
-= mb_head_off(tfname
, p
);
22291 if (vim_ispathsep(*p
))
22293 if (sepcount
== 0 || (hasTilde
&& sepcount
== 1))
22310 /* Copy in the string - p indexes into tfname - allocated at pbuf */
22312 *fnamelen
= (int)STRLEN(p
);
22318 #endif /* WIN3264 */
22321 * Adjust a filename, according to a string of modifiers.
22322 * *fnamep must be NUL terminated when called. When returning, the length is
22323 * determined by *fnamelen.
22324 * Returns VALID_ flags or -1 for failure.
22325 * When there is an error, *fnamep is set to NULL.
22328 modify_fname(src
, usedlen
, fnamep
, bufp
, fnamelen
)
22329 char_u
*src
; /* string with modifiers */
22330 int *usedlen
; /* characters after src that are used */
22331 char_u
**fnamep
; /* file name so far */
22332 char_u
**bufp
; /* buffer for allocated file name or NULL */
22333 int *fnamelen
; /* length of fnamep */
22337 char_u
*s
, *p
, *pbuf
;
22338 char_u dirname
[MAXPATHL
];
22340 int has_fullname
= 0;
22342 int has_shortname
= 0;
22346 /* ":p" - full path/file_name */
22347 if (src
[*usedlen
] == ':' && src
[*usedlen
+ 1] == 'p')
22351 valid
|= VALID_PATH
;
22354 /* Expand "~/path" for all systems and "~user/path" for Unix and VMS */
22355 if ((*fnamep
)[0] == '~'
22356 #if !defined(UNIX) && !(defined(VMS) && defined(USER_HOME))
22357 && ((*fnamep
)[1] == '/'
22358 # ifdef BACKSLASH_IN_FILENAME
22359 || (*fnamep
)[1] == '\\'
22361 || (*fnamep
)[1] == NUL
)
22366 *fnamep
= expand_env_save(*fnamep
);
22367 vim_free(*bufp
); /* free any allocated file name */
22369 if (*fnamep
== NULL
)
22373 /* When "/." or "/.." is used: force expansion to get rid of it. */
22374 for (p
= *fnamep
; *p
!= NUL
; mb_ptr_adv(p
))
22376 if (vim_ispathsep(*p
)
22379 || vim_ispathsep(p
[2])
22381 && (p
[3] == NUL
|| vim_ispathsep(p
[3])))))
22385 /* FullName_save() is slow, don't use it when not needed. */
22386 if (*p
!= NUL
|| !vim_isAbsName(*fnamep
))
22388 *fnamep
= FullName_save(*fnamep
, *p
!= NUL
);
22389 vim_free(*bufp
); /* free any allocated file name */
22391 if (*fnamep
== NULL
)
22395 /* Append a path separator to a directory. */
22396 if (mch_isdir(*fnamep
))
22398 /* Make room for one or two extra characters. */
22399 *fnamep
= vim_strnsave(*fnamep
, (int)STRLEN(*fnamep
) + 2);
22400 vim_free(*bufp
); /* free any allocated file name */
22402 if (*fnamep
== NULL
)
22404 add_pathsep(*fnamep
);
22408 /* ":." - path relative to the current directory */
22409 /* ":~" - path relative to the home directory */
22410 /* ":8" - shortname path - postponed till after */
22411 while (src
[*usedlen
] == ':'
22412 && ((c
= src
[*usedlen
+ 1]) == '.' || c
== '~' || c
== '8'))
22418 has_shortname
= 1; /* Postpone this. */
22423 /* Need full path first (use expand_env() to remove a "~/") */
22426 if (c
== '.' && **fnamep
== '~')
22427 p
= pbuf
= expand_env_save(*fnamep
);
22429 p
= pbuf
= FullName_save(*fnamep
, FALSE
);
22440 mch_dirname(dirname
, MAXPATHL
);
22441 s
= shorten_fname(p
, dirname
);
22447 vim_free(*bufp
); /* free any allocated file name */
22455 home_replace(NULL
, p
, dirname
, MAXPATHL
, TRUE
);
22456 /* Only replace it when it starts with '~' */
22457 if (*dirname
== '~')
22459 s
= vim_strsave(dirname
);
22472 tail
= gettail(*fnamep
);
22473 *fnamelen
= (int)STRLEN(*fnamep
);
22475 /* ":h" - head, remove "/file_name", can be repeated */
22476 /* Don't remove the first "/" or "c:\" */
22477 while (src
[*usedlen
] == ':' && src
[*usedlen
+ 1] == 'h')
22479 valid
|= VALID_HEAD
;
22481 s
= get_past_head(*fnamep
);
22482 while (tail
> s
&& after_pathsep(s
, tail
))
22483 mb_ptr_back(*fnamep
, tail
);
22484 *fnamelen
= (int)(tail
- *fnamep
);
22487 *fnamelen
+= 1; /* the path separator is part of the path */
22489 if (*fnamelen
== 0)
22491 /* Result is empty. Turn it into "." to make ":cd %:h" work. */
22492 p
= vim_strsave((char_u
*)".");
22496 *bufp
= *fnamep
= tail
= p
;
22501 while (tail
> s
&& !after_pathsep(s
, tail
))
22502 mb_ptr_back(*fnamep
, tail
);
22506 /* ":8" - shortname */
22507 if (src
[*usedlen
] == ':' && src
[*usedlen
+ 1] == '8')
22516 /* Check shortname after we have done 'heads' and before we do 'tails'
22521 /* Copy the string if it is shortened by :h */
22522 if (*fnamelen
< (int)STRLEN(*fnamep
))
22524 p
= vim_strnsave(*fnamep
, *fnamelen
);
22528 *bufp
= *fnamep
= p
;
22531 /* Split into two implementations - makes it easier. First is where
22532 * there isn't a full name already, second is where there is.
22534 if (!has_fullname
&& !vim_isAbsName(*fnamep
))
22536 if (shortpath_for_partial(fnamep
, bufp
, fnamelen
) == FAIL
)
22543 /* Simple case, already have the full-name
22544 * Nearly always shorter, so try first time. */
22546 if (get_short_pathname(fnamep
, bufp
, &l
) == FAIL
)
22551 /* Couldn't find the filename.. search the paths.
22554 if (shortpath_for_invalid_fname(fnamep
, bufp
, &l
) == FAIL
)
22560 #endif /* WIN3264 */
22562 /* ":t" - tail, just the basename */
22563 if (src
[*usedlen
] == ':' && src
[*usedlen
+ 1] == 't')
22566 *fnamelen
-= (int)(tail
- *fnamep
);
22570 /* ":e" - extension, can be repeated */
22571 /* ":r" - root, without extension, can be repeated */
22572 while (src
[*usedlen
] == ':'
22573 && (src
[*usedlen
+ 1] == 'e' || src
[*usedlen
+ 1] == 'r'))
22575 /* find a '.' in the tail:
22576 * - for second :e: before the current fname
22577 * - otherwise: The last '.'
22579 if (src
[*usedlen
+ 1] == 'e' && *fnamep
> tail
)
22582 s
= *fnamep
+ *fnamelen
- 1;
22583 for ( ; s
> tail
; --s
)
22586 if (src
[*usedlen
+ 1] == 'e') /* :e */
22590 *fnamelen
+= (int)(*fnamep
- (s
+ 1));
22593 /* cut version from the extension */
22594 s
= *fnamep
+ *fnamelen
- 1;
22595 for ( ; s
> *fnamep
; --s
)
22599 *fnamelen
= s
- *fnamep
;
22602 else if (*fnamep
<= tail
)
22607 if (s
> tail
) /* remove one extension */
22608 *fnamelen
= (int)(s
- *fnamep
);
22613 /* ":s?pat?foo?" - substitute */
22614 /* ":gs?pat?foo?" - global substitute */
22615 if (src
[*usedlen
] == ':'
22616 && (src
[*usedlen
+ 1] == 's'
22617 || (src
[*usedlen
+ 1] == 'g' && src
[*usedlen
+ 2] == 's')))
22626 flags
= (char_u
*)"";
22627 s
= src
+ *usedlen
+ 2;
22628 if (src
[*usedlen
+ 1] == 'g')
22630 flags
= (char_u
*)"g";
22637 /* find end of pattern */
22638 p
= vim_strchr(s
, sep
);
22641 pat
= vim_strnsave(s
, (int)(p
- s
));
22645 /* find end of substitution */
22646 p
= vim_strchr(s
, sep
);
22649 sub
= vim_strnsave(s
, (int)(p
- s
));
22650 str
= vim_strnsave(*fnamep
, *fnamelen
);
22651 if (sub
!= NULL
&& str
!= NULL
)
22653 *usedlen
= (int)(p
+ 1 - src
);
22654 s
= do_string_sub(str
, pat
, sub
, flags
);
22658 *fnamelen
= (int)STRLEN(s
);
22670 /* after using ":s", repeat all the modifiers */
22680 * Perform a substitution on "str" with pattern "pat" and substitute "sub".
22681 * "flags" can be "g" to do a global substitute.
22682 * Returns an allocated string, NULL for error.
22685 do_string_sub(str
, pat
, sub
, flags
)
22692 regmatch_T regmatch
;
22700 /* Make 'cpoptions' empty, so that the 'l' flag doesn't work here */
22702 p_cpo
= empty_option
;
22704 ga_init2(&ga
, 1, 200);
22706 do_all
= (flags
[0] == 'g');
22708 regmatch
.rm_ic
= p_ic
;
22709 regmatch
.regprog
= vim_regcomp(pat
, RE_MAGIC
+ RE_STRING
);
22710 if (regmatch
.regprog
!= NULL
)
22713 while (vim_regexec_nl(®match
, str
, (colnr_T
)(tail
- str
)))
22716 * Get some space for a temporary buffer to do the substitution
22717 * into. It will contain:
22718 * - The text up to where the match is.
22719 * - The substituted text.
22720 * - The text after the match.
22722 sublen
= vim_regsub(®match
, sub
, tail
, FALSE
, TRUE
, FALSE
);
22723 if (ga_grow(&ga
, (int)(STRLEN(tail
) + sublen
-
22724 (regmatch
.endp
[0] - regmatch
.startp
[0]))) == FAIL
)
22730 /* copy the text up to where the match is */
22731 i
= (int)(regmatch
.startp
[0] - tail
);
22732 mch_memmove((char_u
*)ga
.ga_data
+ ga
.ga_len
, tail
, (size_t)i
);
22733 /* add the substituted text */
22734 (void)vim_regsub(®match
, sub
, (char_u
*)ga
.ga_data
22735 + ga
.ga_len
+ i
, TRUE
, TRUE
, FALSE
);
22736 ga
.ga_len
+= i
+ sublen
- 1;
22737 /* avoid getting stuck on a match with an empty string */
22738 if (tail
== regmatch
.endp
[0])
22742 *((char_u
*)ga
.ga_data
+ ga
.ga_len
) = *tail
++;
22747 tail
= regmatch
.endp
[0];
22755 if (ga
.ga_data
!= NULL
)
22756 STRCPY((char *)ga
.ga_data
+ ga
.ga_len
, tail
);
22758 vim_free(regmatch
.regprog
);
22761 ret
= vim_strsave(ga
.ga_data
== NULL
? str
: (char_u
*)ga
.ga_data
);
22763 if (p_cpo
== empty_option
)
22766 /* Darn, evaluating {sub} expression changed the value. */
22767 free_string_option(save_cpo
);
22772 #endif /* defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) */