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.
133 static int current_copyID
= 0;
136 * Array to hold the hashtab with variables local to each sourced script.
137 * Each item holds a variable (nameless) that points to the dict_T.
145 static garray_T ga_scripts
= {0, 0, sizeof(scriptvar_T
), 4, NULL
};
146 #define SCRIPT_SV(id) (((scriptvar_T *)ga_scripts.ga_data)[(id) - 1])
147 #define SCRIPT_VARS(id) (SCRIPT_SV(id).sv_dict.dv_hashtab)
149 static int echo_attr
= 0; /* attributes used for ":echo" */
151 /* Values for trans_function_name() argument: */
152 #define TFN_INT 1 /* internal function name OK */
153 #define TFN_QUIET 2 /* no error messages */
156 * Structure to hold info for a user function.
158 typedef struct ufunc ufunc_T
;
162 int uf_varargs
; /* variable nr of arguments */
164 int uf_calls
; /* nr of active calls */
165 garray_T uf_args
; /* arguments */
166 garray_T uf_lines
; /* function lines */
168 int uf_profiling
; /* TRUE when func is being profiled */
169 /* profiling the function as a whole */
170 int uf_tm_count
; /* nr of calls */
171 proftime_T uf_tm_total
; /* time spent in function + children */
172 proftime_T uf_tm_self
; /* time spent in function itself */
173 proftime_T uf_tm_children
; /* time spent in children this call */
174 /* profiling the function per line */
175 int *uf_tml_count
; /* nr of times line was executed */
176 proftime_T
*uf_tml_total
; /* time spent in a line + children */
177 proftime_T
*uf_tml_self
; /* time spent in a line itself */
178 proftime_T uf_tml_start
; /* start time for current line */
179 proftime_T uf_tml_children
; /* time spent in children for this line */
180 proftime_T uf_tml_wait
; /* start wait time for current line */
181 int uf_tml_idx
; /* index of line being timed; -1 if none */
182 int uf_tml_execed
; /* line being timed was executed */
184 scid_T uf_script_ID
; /* ID of script where function was defined,
185 used for s: variables */
186 int uf_refcount
; /* for numbered function: reference count */
187 char_u uf_name
[1]; /* name of function (actually longer); can
188 start with <SNR>123_ (<SNR> is K_SPECIAL
193 #define FC_ABORT 1 /* abort function on error */
194 #define FC_RANGE 2 /* function accepts range */
195 #define FC_DICT 4 /* Dict function, uses "self" */
198 * All user-defined functions are found in this hashtable.
200 static hashtab_T func_hashtab
;
202 /* The names of packages that once were loaded are remembered. */
203 static garray_T ga_loaded
= {0, 0, sizeof(char_u
*), 4, NULL
};
205 /* list heads for garbage collection */
206 static dict_T
*first_dict
= NULL
; /* list of all dicts */
207 static list_T
*first_list
= NULL
; /* list of all lists */
209 /* From user function to hashitem and back. */
210 static ufunc_T dumuf
;
211 #define UF2HIKEY(fp) ((fp)->uf_name)
212 #define HIKEY2UF(p) ((ufunc_T *)(p - (dumuf.uf_name - (char_u *)&dumuf)))
213 #define HI2UF(hi) HIKEY2UF((hi)->hi_key)
215 #define FUNCARG(fp, j) ((char_u **)(fp->uf_args.ga_data))[j]
216 #define FUNCLINE(fp, j) ((char_u **)(fp->uf_lines.ga_data))[j]
218 #define MAX_FUNC_ARGS 20 /* maximum number of function arguments */
219 #define VAR_SHORT_LEN 20 /* short variable name length */
220 #define FIXVAR_CNT 12 /* number of fixed variables */
222 /* structure to hold info for a function that is currently being executed. */
223 typedef struct funccall_S funccall_T
;
227 ufunc_T
*func
; /* function being called */
228 int linenr
; /* next line to be executed */
229 int returned
; /* ":return" used */
230 struct /* fixed variables for arguments */
232 dictitem_T var
; /* variable (without room for name) */
233 char_u room
[VAR_SHORT_LEN
]; /* room for the name */
234 } fixvar
[FIXVAR_CNT
];
235 dict_T l_vars
; /* l: local function variables */
236 dictitem_T l_vars_var
; /* variable for l: scope */
237 dict_T l_avars
; /* a: argument variables */
238 dictitem_T l_avars_var
; /* variable for a: scope */
239 list_T l_varlist
; /* list for a:000 */
240 listitem_T l_listitems
[MAX_FUNC_ARGS
]; /* listitems for a:000 */
241 typval_T
*rettv
; /* return value */
242 linenr_T breakpoint
; /* next line with breakpoint or zero */
243 int dbg_tick
; /* debug_tick when breakpoint was set */
244 int level
; /* top nesting level of executed function */
246 proftime_T prof_child
; /* time spent in a child */
248 funccall_T
*caller
; /* calling function or NULL */
252 * Info used by a ":for" loop.
256 int fi_semicolon
; /* TRUE if ending in '; var]' */
257 int fi_varcount
; /* nr of variables in the list */
258 listwatch_T fi_lw
; /* keep an eye on the item used. */
259 list_T
*fi_list
; /* list being used */
263 * Struct used by trans_function_name()
267 dict_T
*fd_dict
; /* Dictionary used */
268 char_u
*fd_newkey
; /* new key in "dict" in allocated memory */
269 dictitem_T
*fd_di
; /* Dictionary item used */
274 * Array to hold the value of v: variables.
275 * The value is in a dictitem, so that it can also be used in the v: scope.
276 * The reason to use this table anyway is for very quick access to the
277 * variables with the VV_ defines.
281 /* values for vv_flags: */
282 #define VV_COMPAT 1 /* compatible, also used without "v:" */
283 #define VV_RO 2 /* read-only */
284 #define VV_RO_SBX 4 /* read-only in the sandbox */
286 #define VV_NAME(s, t) s, {{t}}, {0}
290 char *vv_name
; /* name of variable, without v: */
291 dictitem_T vv_di
; /* value and name for key */
292 char vv_filler
[16]; /* space for LONGEST name below!!! */
293 char vv_flags
; /* VV_COMPAT, VV_RO, VV_RO_SBX */
297 * The order here must match the VV_ defines in vim.h!
298 * Initializing a union does not work, leave tv.vval empty to get zero's.
300 {VV_NAME("count", VAR_NUMBER
), VV_COMPAT
+VV_RO
},
301 {VV_NAME("count1", VAR_NUMBER
), VV_RO
},
302 {VV_NAME("prevcount", VAR_NUMBER
), VV_RO
},
303 {VV_NAME("errmsg", VAR_STRING
), VV_COMPAT
},
304 {VV_NAME("warningmsg", VAR_STRING
), 0},
305 {VV_NAME("statusmsg", VAR_STRING
), 0},
306 {VV_NAME("shell_error", VAR_NUMBER
), VV_COMPAT
+VV_RO
},
307 {VV_NAME("this_session", VAR_STRING
), VV_COMPAT
},
308 {VV_NAME("version", VAR_NUMBER
), VV_COMPAT
+VV_RO
},
309 {VV_NAME("lnum", VAR_NUMBER
), VV_RO_SBX
},
310 {VV_NAME("termresponse", VAR_STRING
), VV_RO
},
311 {VV_NAME("fname", VAR_STRING
), VV_RO
},
312 {VV_NAME("lang", VAR_STRING
), VV_RO
},
313 {VV_NAME("lc_time", VAR_STRING
), VV_RO
},
314 {VV_NAME("ctype", VAR_STRING
), VV_RO
},
315 {VV_NAME("charconvert_from", VAR_STRING
), VV_RO
},
316 {VV_NAME("charconvert_to", VAR_STRING
), VV_RO
},
317 {VV_NAME("fname_in", VAR_STRING
), VV_RO
},
318 {VV_NAME("fname_out", VAR_STRING
), VV_RO
},
319 {VV_NAME("fname_new", VAR_STRING
), VV_RO
},
320 {VV_NAME("fname_diff", VAR_STRING
), VV_RO
},
321 {VV_NAME("cmdarg", VAR_STRING
), VV_RO
},
322 {VV_NAME("foldstart", VAR_NUMBER
), VV_RO_SBX
},
323 {VV_NAME("foldend", VAR_NUMBER
), VV_RO_SBX
},
324 {VV_NAME("folddashes", VAR_STRING
), VV_RO_SBX
},
325 {VV_NAME("foldlevel", VAR_NUMBER
), VV_RO_SBX
},
326 {VV_NAME("progname", VAR_STRING
), VV_RO
},
327 {VV_NAME("servername", VAR_STRING
), VV_RO
},
328 {VV_NAME("dying", VAR_NUMBER
), VV_RO
},
329 {VV_NAME("exception", VAR_STRING
), VV_RO
},
330 {VV_NAME("throwpoint", VAR_STRING
), VV_RO
},
331 {VV_NAME("register", VAR_STRING
), VV_RO
},
332 {VV_NAME("cmdbang", VAR_NUMBER
), VV_RO
},
333 {VV_NAME("insertmode", VAR_STRING
), VV_RO
},
334 {VV_NAME("val", VAR_UNKNOWN
), VV_RO
},
335 {VV_NAME("key", VAR_UNKNOWN
), VV_RO
},
336 {VV_NAME("profiling", VAR_NUMBER
), VV_RO
},
337 {VV_NAME("fcs_reason", VAR_STRING
), VV_RO
},
338 {VV_NAME("fcs_choice", VAR_STRING
), 0},
339 {VV_NAME("beval_bufnr", VAR_NUMBER
), VV_RO
},
340 {VV_NAME("beval_winnr", VAR_NUMBER
), VV_RO
},
341 {VV_NAME("beval_lnum", VAR_NUMBER
), VV_RO
},
342 {VV_NAME("beval_col", VAR_NUMBER
), VV_RO
},
343 {VV_NAME("beval_text", VAR_STRING
), VV_RO
},
344 {VV_NAME("scrollstart", VAR_STRING
), 0},
345 {VV_NAME("swapname", VAR_STRING
), VV_RO
},
346 {VV_NAME("swapchoice", VAR_STRING
), 0},
347 {VV_NAME("swapcommand", VAR_STRING
), VV_RO
},
348 {VV_NAME("char", VAR_STRING
), VV_RO
},
349 {VV_NAME("mouse_win", VAR_NUMBER
), 0},
350 {VV_NAME("mouse_lnum", VAR_NUMBER
), 0},
351 {VV_NAME("mouse_col", VAR_NUMBER
), 0},
352 {VV_NAME("operator", VAR_STRING
), VV_RO
},
353 {VV_NAME("searchforward", VAR_NUMBER
), 0},
354 {VV_NAME("oldfiles", VAR_LIST
), 0},
358 #define vv_type vv_di.di_tv.v_type
359 #define vv_nr vv_di.di_tv.vval.v_number
360 #define vv_float vv_di.di_tv.vval.v_float
361 #define vv_str vv_di.di_tv.vval.v_string
362 #define vv_list vv_di.di_tv.vval.v_list
363 #define vv_tv vv_di.di_tv
366 * The v: variables are stored in dictionary "vimvardict".
367 * "vimvars_var" is the variable that is used for the "l:" scope.
369 static dict_T vimvardict
;
370 static dictitem_T vimvars_var
;
371 #define vimvarht vimvardict.dv_hashtab
373 static void prepare_vimvar
__ARGS((int idx
, typval_T
*save_tv
));
374 static void restore_vimvar
__ARGS((int idx
, typval_T
*save_tv
));
375 #if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
376 static int call_vim_function
__ARGS((char_u
*func
, int argc
, char_u
**argv
, int safe
, typval_T
*rettv
));
378 static int ex_let_vars
__ARGS((char_u
*arg
, typval_T
*tv
, int copy
, int semicolon
, int var_count
, char_u
*nextchars
));
379 static char_u
*skip_var_list
__ARGS((char_u
*arg
, int *var_count
, int *semicolon
));
380 static char_u
*skip_var_one
__ARGS((char_u
*arg
));
381 static void list_hashtable_vars
__ARGS((hashtab_T
*ht
, char_u
*prefix
, int empty
, int *first
));
382 static void list_glob_vars
__ARGS((int *first
));
383 static void list_buf_vars
__ARGS((int *first
));
384 static void list_win_vars
__ARGS((int *first
));
386 static void list_tab_vars
__ARGS((int *first
));
388 static void list_vim_vars
__ARGS((int *first
));
389 static void list_script_vars
__ARGS((int *first
));
390 static void list_func_vars
__ARGS((int *first
));
391 static char_u
*list_arg_vars
__ARGS((exarg_T
*eap
, char_u
*arg
, int *first
));
392 static char_u
*ex_let_one
__ARGS((char_u
*arg
, typval_T
*tv
, int copy
, char_u
*endchars
, char_u
*op
));
393 static int check_changedtick
__ARGS((char_u
*arg
));
394 static char_u
*get_lval
__ARGS((char_u
*name
, typval_T
*rettv
, lval_T
*lp
, int unlet
, int skip
, int quiet
, int fne_flags
));
395 static void clear_lval
__ARGS((lval_T
*lp
));
396 static void set_var_lval
__ARGS((lval_T
*lp
, char_u
*endp
, typval_T
*rettv
, int copy
, char_u
*op
));
397 static int tv_op
__ARGS((typval_T
*tv1
, typval_T
*tv2
, char_u
*op
));
398 static void list_add_watch
__ARGS((list_T
*l
, listwatch_T
*lw
));
399 static void list_rem_watch
__ARGS((list_T
*l
, listwatch_T
*lwrem
));
400 static void list_fix_watch
__ARGS((list_T
*l
, listitem_T
*item
));
401 static void ex_unletlock
__ARGS((exarg_T
*eap
, char_u
*argstart
, int deep
));
402 static int do_unlet_var
__ARGS((lval_T
*lp
, char_u
*name_end
, int forceit
));
403 static int do_lock_var
__ARGS((lval_T
*lp
, char_u
*name_end
, int deep
, int lock
));
404 static void item_lock
__ARGS((typval_T
*tv
, int deep
, int lock
));
405 static int tv_islocked
__ARGS((typval_T
*tv
));
407 static int eval0
__ARGS((char_u
*arg
, typval_T
*rettv
, char_u
**nextcmd
, int evaluate
));
408 static int eval1
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
409 static int eval2
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
410 static int eval3
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
411 static int eval4
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
412 static int eval5
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
413 static int eval6
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
, int want_string
));
414 static int eval7
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
, int want_string
));
416 static int eval_index
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
, int verbose
));
417 static int get_option_tv
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
418 static int get_string_tv
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
419 static int get_lit_string_tv
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
420 static int get_list_tv
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
421 static int rettv_list_alloc
__ARGS((typval_T
*rettv
));
422 static listitem_T
*listitem_alloc
__ARGS((void));
423 static void listitem_free
__ARGS((listitem_T
*item
));
424 static void listitem_remove
__ARGS((list_T
*l
, listitem_T
*item
));
425 static long list_len
__ARGS((list_T
*l
));
426 static int list_equal
__ARGS((list_T
*l1
, list_T
*l2
, int ic
));
427 static int dict_equal
__ARGS((dict_T
*d1
, dict_T
*d2
, int ic
));
428 static int tv_equal
__ARGS((typval_T
*tv1
, typval_T
*tv2
, int ic
));
429 static listitem_T
*list_find
__ARGS((list_T
*l
, long n
));
430 static long list_find_nr
__ARGS((list_T
*l
, long idx
, int *errorp
));
431 static long list_idx_of_item
__ARGS((list_T
*l
, listitem_T
*item
));
432 static void list_append
__ARGS((list_T
*l
, listitem_T
*item
));
433 static int list_append_tv
__ARGS((list_T
*l
, typval_T
*tv
));
434 static int list_append_number
__ARGS((list_T
*l
, varnumber_T n
));
435 static int list_insert_tv
__ARGS((list_T
*l
, typval_T
*tv
, listitem_T
*item
));
436 static int list_extend
__ARGS((list_T
*l1
, list_T
*l2
, listitem_T
*bef
));
437 static int list_concat
__ARGS((list_T
*l1
, list_T
*l2
, typval_T
*tv
));
438 static list_T
*list_copy
__ARGS((list_T
*orig
, int deep
, int copyID
));
439 static void list_remove
__ARGS((list_T
*l
, listitem_T
*item
, listitem_T
*item2
));
440 static char_u
*list2string
__ARGS((typval_T
*tv
, int copyID
));
441 static int list_join
__ARGS((garray_T
*gap
, list_T
*l
, char_u
*sep
, int echo
, int copyID
));
442 static void set_ref_in_ht
__ARGS((hashtab_T
*ht
, int copyID
));
443 static void set_ref_in_list
__ARGS((list_T
*l
, int copyID
));
444 static void set_ref_in_item
__ARGS((typval_T
*tv
, int copyID
));
445 static void dict_unref
__ARGS((dict_T
*d
));
446 static void dict_free
__ARGS((dict_T
*d
, int recurse
));
447 static dictitem_T
*dictitem_alloc
__ARGS((char_u
*key
));
448 static dictitem_T
*dictitem_copy
__ARGS((dictitem_T
*org
));
449 static void dictitem_remove
__ARGS((dict_T
*dict
, dictitem_T
*item
));
450 static void dictitem_free
__ARGS((dictitem_T
*item
));
451 static dict_T
*dict_copy
__ARGS((dict_T
*orig
, int deep
, int copyID
));
452 static int dict_add
__ARGS((dict_T
*d
, dictitem_T
*item
));
453 static long dict_len
__ARGS((dict_T
*d
));
454 static dictitem_T
*dict_find
__ARGS((dict_T
*d
, char_u
*key
, int len
));
455 static char_u
*dict2string
__ARGS((typval_T
*tv
, int copyID
));
456 static int get_dict_tv
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
457 static char_u
*echo_string
__ARGS((typval_T
*tv
, char_u
**tofree
, char_u
*numbuf
, int copyID
));
458 static char_u
*tv2string
__ARGS((typval_T
*tv
, char_u
**tofree
, char_u
*numbuf
, int copyID
));
459 static char_u
*string_quote
__ARGS((char_u
*str
, int function
));
461 static int string2float
__ARGS((char_u
*text
, float_T
*value
));
463 static int get_env_tv
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
));
464 static int find_internal_func
__ARGS((char_u
*name
));
465 static char_u
*deref_func_name
__ARGS((char_u
*name
, int *lenp
));
466 static int get_func_tv
__ARGS((char_u
*name
, int len
, typval_T
*rettv
, char_u
**arg
, linenr_T firstline
, linenr_T lastline
, int *doesrange
, int evaluate
, dict_T
*selfdict
));
467 static int call_func
__ARGS((char_u
*name
, int len
, typval_T
*rettv
, int argcount
, typval_T
*argvars
, linenr_T firstline
, linenr_T lastline
, int *doesrange
, int evaluate
, dict_T
*selfdict
));
468 static void emsg_funcname
__ARGS((char *ermsg
, char_u
*name
));
469 static int non_zero_arg
__ARGS((typval_T
*argvars
));
472 static void f_abs
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
474 static void f_add
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
475 static void f_append
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
476 static void f_argc
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
477 static void f_argidx
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
478 static void f_argv
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
480 static void f_atan
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
482 static void f_browse
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
483 static void f_browsedir
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
484 static void f_bufexists
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
485 static void f_buflisted
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
486 static void f_bufloaded
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
487 static void f_bufname
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
488 static void f_bufnr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
489 static void f_bufwinnr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
490 static void f_byte2line
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
491 static void f_byteidx
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
492 static void f_call
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
494 static void f_ceil
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
496 static void f_changenr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
497 static void f_char2nr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
498 static void f_cindent
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
499 static void f_clearmatches
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
500 static void f_col
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
501 #if defined(FEAT_INS_EXPAND)
502 static void f_complete
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
503 static void f_complete_add
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
504 static void f_complete_check
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
506 static void f_confirm
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
507 static void f_copy
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
509 static void f_cos
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
511 static void f_count
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
512 static void f_cscope_connection
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
513 static void f_cursor
__ARGS((typval_T
*argsvars
, typval_T
*rettv
));
514 static void f_deepcopy
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
515 static void f_delete
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
516 static void f_did_filetype
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
517 static void f_diff_filler
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
518 static void f_diff_hlID
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
519 static void f_empty
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
520 static void f_escape
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
521 static void f_eval
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
522 static void f_eventhandler
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
523 static void f_executable
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
524 static void f_exists
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
525 static void f_expand
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
526 static void f_extend
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
527 static void f_feedkeys
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
528 static void f_filereadable
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
529 static void f_filewritable
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
530 static void f_filter
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
531 static void f_finddir
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
532 static void f_findfile
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
534 static void f_float2nr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
535 static void f_floor
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
537 static void f_fnameescape
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
538 static void f_fnamemodify
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
539 static void f_foldclosed
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
540 static void f_foldclosedend
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
541 static void f_foldlevel
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
542 static void f_foldtext
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
543 static void f_foldtextresult
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
544 static void f_foreground
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
545 static void f_function
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
546 static void f_garbagecollect
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
547 static void f_get
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
548 static void f_getbufline
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
549 static void f_getbufvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
550 static void f_getchar
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
551 static void f_getcharmod
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
552 static void f_getcmdline
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
553 static void f_getcmdpos
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
554 static void f_getcmdtype
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
555 static void f_getcwd
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
556 static void f_getfontname
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
557 static void f_getfperm
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
558 static void f_getfsize
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
559 static void f_getftime
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
560 static void f_getftype
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
561 static void f_getline
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
562 static void f_getmatches
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
563 static void f_getpid
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
564 static void f_getpos
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
565 static void f_getqflist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
566 static void f_getreg
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
567 static void f_getregtype
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
568 static void f_gettabwinvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
569 static void f_getwinposx
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
570 static void f_getwinposy
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
571 static void f_getwinvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
572 static void f_glob
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
573 static void f_globpath
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
574 static void f_has
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
575 static void f_has_key
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
576 static void f_haslocaldir
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
577 static void f_hasmapto
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
578 static void f_histadd
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
579 static void f_histdel
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
580 static void f_histget
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
581 static void f_histnr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
582 static void f_hlID
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
583 static void f_hlexists
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
584 static void f_hostname
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
585 static void f_iconv
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
586 static void f_indent
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
587 static void f_index
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
588 static void f_input
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
589 static void f_inputdialog
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
590 static void f_inputlist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
591 static void f_inputrestore
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
592 static void f_inputsave
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
593 static void f_inputsecret
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
594 static void f_insert
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
595 static void f_isdirectory
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
596 static void f_islocked
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
597 static void f_items
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
598 static void f_join
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
599 static void f_keys
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
600 static void f_last_buffer_nr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
601 static void f_len
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
602 static void f_libcall
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
603 static void f_libcallnr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
604 static void f_line
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
605 static void f_line2byte
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
606 static void f_lispindent
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
607 static void f_localtime
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
609 static void f_log10
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
611 static void f_map
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
612 static void f_maparg
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
613 static void f_mapcheck
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
614 static void f_match
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
615 static void f_matchadd
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
616 static void f_matcharg
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
617 static void f_matchdelete
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
618 static void f_matchend
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
619 static void f_matchlist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
620 static void f_matchstr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
621 static void f_max
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
622 static void f_min
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
624 static void f_mkdir
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
626 static void f_mode
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
627 static void f_nextnonblank
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
628 static void f_nr2char
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
629 static void f_pathshorten
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
631 static void f_pow
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
633 static void f_prevnonblank
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
634 static void f_printf
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
635 static void f_pumvisible
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
636 static void f_range
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
637 static void f_readfile
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
638 static void f_reltime
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
639 static void f_reltimestr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
640 static void f_remote_expr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
641 static void f_remote_foreground
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
642 static void f_remote_peek
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
643 static void f_remote_read
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
644 static void f_remote_send
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
645 static void f_remove
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
646 static void f_rename
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
647 static void f_repeat
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
648 static void f_resolve
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
649 static void f_reverse
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
651 static void f_round
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
653 static void f_search
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
654 static void f_searchdecl
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
655 static void f_searchpair
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
656 static void f_searchpairpos
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
657 static void f_searchpos
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
658 static void f_server2client
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
659 static void f_serverlist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
660 static void f_setbufvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
661 static void f_setcmdpos
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
662 static void f_setline
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
663 static void f_setloclist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
664 static void f_setmatches
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
665 static void f_setpos
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
666 static void f_setqflist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
667 static void f_setreg
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
668 static void f_settabwinvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
669 static void f_setwinvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
670 static void f_shellescape
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
671 static void f_simplify
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
673 static void f_sin
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
675 static void f_sort
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
676 static void f_soundfold
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
677 static void f_spellbadword
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
678 static void f_spellsuggest
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
679 static void f_split
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
681 static void f_sqrt
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
682 static void f_str2float
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
684 static void f_str2nr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
686 static void f_strftime
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
688 static void f_stridx
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
689 static void f_string
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
690 static void f_strlen
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
691 static void f_strpart
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
692 static void f_strridx
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
693 static void f_strtrans
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
694 static void f_submatch
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
695 static void f_substitute
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
696 static void f_synID
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
697 static void f_synIDattr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
698 static void f_synIDtrans
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
699 static void f_synstack
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
700 static void f_system
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
701 static void f_tabpagebuflist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
702 static void f_tabpagenr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
703 static void f_tabpagewinnr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
704 static void f_taglist
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
705 static void f_tagfiles
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
706 static void f_tempname
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
707 static void f_test
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
708 static void f_tolower
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
709 static void f_toupper
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
710 static void f_tr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
712 static void f_trunc
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
714 static void f_type
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
715 static void f_values
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
716 static void f_virtcol
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
717 static void f_visualmode
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
718 static void f_winbufnr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
719 static void f_wincol
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
720 static void f_winheight
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
721 static void f_winline
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
722 static void f_winnr
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
723 static void f_winrestcmd
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
724 static void f_winrestview
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
725 static void f_winsaveview
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
726 static void f_winwidth
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
727 static void f_writefile
__ARGS((typval_T
*argvars
, typval_T
*rettv
));
729 static int list2fpos
__ARGS((typval_T
*arg
, pos_T
*posp
, int *fnump
));
730 static pos_T
*var2fpos
__ARGS((typval_T
*varp
, int dollar_lnum
, int *fnum
));
731 static int get_env_len
__ARGS((char_u
**arg
));
732 static int get_id_len
__ARGS((char_u
**arg
));
733 static int get_name_len
__ARGS((char_u
**arg
, char_u
**alias
, int evaluate
, int verbose
));
734 static char_u
*find_name_end
__ARGS((char_u
*arg
, char_u
**expr_start
, char_u
**expr_end
, int flags
));
735 #define FNE_INCL_BR 1 /* find_name_end(): include [] in name */
736 #define FNE_CHECK_START 2 /* find_name_end(): check name starts with
738 static char_u
* make_expanded_name
__ARGS((char_u
*in_start
, char_u
*expr_start
, char_u
*expr_end
, char_u
*in_end
));
739 static int eval_isnamec
__ARGS((int c
));
740 static int eval_isnamec1
__ARGS((int c
));
741 static int get_var_tv
__ARGS((char_u
*name
, int len
, typval_T
*rettv
, int verbose
));
742 static int handle_subscript
__ARGS((char_u
**arg
, typval_T
*rettv
, int evaluate
, int verbose
));
743 static typval_T
*alloc_tv
__ARGS((void));
744 static typval_T
*alloc_string_tv
__ARGS((char_u
*string
));
745 static void init_tv
__ARGS((typval_T
*varp
));
746 static long get_tv_number
__ARGS((typval_T
*varp
));
747 static linenr_T get_tv_lnum
__ARGS((typval_T
*argvars
));
748 static linenr_T get_tv_lnum_buf
__ARGS((typval_T
*argvars
, buf_T
*buf
));
749 static char_u
*get_tv_string
__ARGS((typval_T
*varp
));
750 static char_u
*get_tv_string_buf
__ARGS((typval_T
*varp
, char_u
*buf
));
751 static char_u
*get_tv_string_buf_chk
__ARGS((typval_T
*varp
, char_u
*buf
));
752 static dictitem_T
*find_var
__ARGS((char_u
*name
, hashtab_T
**htp
));
753 static dictitem_T
*find_var_in_ht
__ARGS((hashtab_T
*ht
, char_u
*varname
, int writing
));
754 static hashtab_T
*find_var_ht
__ARGS((char_u
*name
, char_u
**varname
));
755 static void vars_clear_ext
__ARGS((hashtab_T
*ht
, int free_val
));
756 static void delete_var
__ARGS((hashtab_T
*ht
, hashitem_T
*hi
));
757 static void list_one_var
__ARGS((dictitem_T
*v
, char_u
*prefix
, int *first
));
758 static void list_one_var_a
__ARGS((char_u
*prefix
, char_u
*name
, int type
, char_u
*string
, int *first
));
759 static void set_var
__ARGS((char_u
*name
, typval_T
*varp
, int copy
));
760 static int var_check_ro
__ARGS((int flags
, char_u
*name
));
761 static int var_check_fixed
__ARGS((int flags
, char_u
*name
));
762 static int tv_check_lock
__ARGS((int lock
, char_u
*name
));
763 static void copy_tv
__ARGS((typval_T
*from
, typval_T
*to
));
764 static int item_copy
__ARGS((typval_T
*from
, typval_T
*to
, int deep
, int copyID
));
765 static char_u
*find_option_end
__ARGS((char_u
**arg
, int *opt_flags
));
766 static char_u
*trans_function_name
__ARGS((char_u
**pp
, int skip
, int flags
, funcdict_T
*fd
));
767 static int eval_fname_script
__ARGS((char_u
*p
));
768 static int eval_fname_sid
__ARGS((char_u
*p
));
769 static void list_func_head
__ARGS((ufunc_T
*fp
, int indent
));
770 static ufunc_T
*find_func
__ARGS((char_u
*name
));
771 static int function_exists
__ARGS((char_u
*name
));
772 static int builtin_function
__ARGS((char_u
*name
));
774 static void func_do_profile
__ARGS((ufunc_T
*fp
));
775 static void prof_sort_list
__ARGS((FILE *fd
, ufunc_T
**sorttab
, int st_len
, char *title
, int prefer_self
));
776 static void prof_func_line
__ARGS((FILE *fd
, int count
, proftime_T
*total
, proftime_T
*self
, int prefer_self
));
781 prof_total_cmp
__ARGS((const void *s1
, const void *s2
));
786 prof_self_cmp
__ARGS((const void *s1
, const void *s2
));
788 static int script_autoload
__ARGS((char_u
*name
, int reload
));
789 static char_u
*autoload_name
__ARGS((char_u
*name
));
790 static void cat_func_name
__ARGS((char_u
*buf
, ufunc_T
*fp
));
791 static void func_free
__ARGS((ufunc_T
*fp
));
792 static void func_unref
__ARGS((char_u
*name
));
793 static void func_ref
__ARGS((char_u
*name
));
794 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
));
795 static int can_free_funccal
__ARGS((funccall_T
*fc
, int copyID
)) ;
796 static void free_funccal
__ARGS((funccall_T
*fc
, int free_val
));
797 static void add_nr_var
__ARGS((dict_T
*dp
, dictitem_T
*v
, char *name
, varnumber_T nr
));
798 static win_T
*find_win_by_nr
__ARGS((typval_T
*vp
, tabpage_T
*tp
));
799 static void getwinvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int off
));
800 static int searchpair_cmn
__ARGS((typval_T
*argvars
, pos_T
*match_pos
));
801 static int search_cmn
__ARGS((typval_T
*argvars
, pos_T
*match_pos
, int *flagsp
));
802 static void setwinvar
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int off
));
804 /* Character used as separated in autoload function/variable names. */
805 #define AUTOLOAD_CHAR '#'
808 * Initialize the global and v: variables.
816 init_var_dict(&globvardict
, &globvars_var
);
817 init_var_dict(&vimvardict
, &vimvars_var
);
818 hash_init(&compat_hashtab
);
819 hash_init(&func_hashtab
);
821 for (i
= 0; i
< VV_LEN
; ++i
)
824 STRCPY(p
->vv_di
.di_key
, p
->vv_name
);
825 if (p
->vv_flags
& VV_RO
)
826 p
->vv_di
.di_flags
= DI_FLAGS_RO
| DI_FLAGS_FIX
;
827 else if (p
->vv_flags
& VV_RO_SBX
)
828 p
->vv_di
.di_flags
= DI_FLAGS_RO_SBX
| DI_FLAGS_FIX
;
830 p
->vv_di
.di_flags
= DI_FLAGS_FIX
;
832 /* add to v: scope dict, unless the value is not always available */
833 if (p
->vv_type
!= VAR_UNKNOWN
)
834 hash_add(&vimvarht
, p
->vv_di
.di_key
);
835 if (p
->vv_flags
& VV_COMPAT
)
836 /* add to compat scope dict */
837 hash_add(&compat_hashtab
, p
->vv_di
.di_key
);
839 set_vim_var_nr(VV_SEARCHFORWARD
, 1L);
842 #if defined(EXITFREE) || defined(PROTO)
849 for (i
= 0; i
< VV_LEN
; ++i
)
852 if (p
->vv_di
.di_tv
.v_type
== VAR_STRING
)
857 else if (p
->vv_di
.di_tv
.v_type
== VAR_LIST
)
859 list_unref(p
->vv_list
);
863 hash_clear(&vimvarht
);
864 hash_init(&vimvarht
); /* garbage_collect() will access it */
865 hash_clear(&compat_hashtab
);
867 /* script-local variables */
868 for (i
= 1; i
<= ga_scripts
.ga_len
; ++i
)
869 vars_clear(&SCRIPT_VARS(i
));
870 ga_clear(&ga_scripts
);
873 /* global variables */
874 vars_clear(&globvarht
);
876 /* autoloaded script names */
877 ga_clear_strings(&ga_loaded
);
879 /* unreferenced lists and dicts */
880 (void)garbage_collect();
883 free_all_functions();
884 hash_clear(&func_hashtab
);
889 * Return the name of the executed function.
895 return ((funccall_T
*)cookie
)->func
->uf_name
;
899 * Return the address holding the next breakpoint line for a funccall cookie.
902 func_breakpoint(cookie
)
905 return &((funccall_T
*)cookie
)->breakpoint
;
909 * Return the address holding the debug tick for a funccall cookie.
912 func_dbg_tick(cookie
)
915 return &((funccall_T
*)cookie
)->dbg_tick
;
919 * Return the nesting level for a funccall cookie.
925 return ((funccall_T
*)cookie
)->level
;
928 /* pointer to funccal for currently active function */
929 funccall_T
*current_funccal
= NULL
;
931 /* pointer to list of previously used funccal, still around because some
932 * item in it is still being used. */
933 funccall_T
*previous_funccal
= NULL
;
936 * Return TRUE when a function was ended by a ":return" command.
939 current_func_returned()
941 return current_funccal
->returned
;
946 * Set an internal variable to a string value. Creates the variable if it does
950 set_internal_string_var(name
, value
)
957 val
= vim_strsave(value
);
960 tvp
= alloc_string_tv(val
);
963 set_var(name
, tvp
, FALSE
);
969 static lval_T
*redir_lval
= NULL
;
970 static garray_T redir_ga
; /* only valid when redir_lval is not NULL */
971 static char_u
*redir_endp
= NULL
;
972 static char_u
*redir_varname
= NULL
;
975 * Start recording command output to a variable
976 * Returns OK if successfully completed the setup. FAIL otherwise.
979 var_redir_start(name
, append
)
981 int append
; /* append to an existing variable */
987 /* Make sure a valid variable name is specified */
988 if (!eval_isnamec1(*name
))
994 redir_varname
= vim_strsave(name
);
995 if (redir_varname
== NULL
)
998 redir_lval
= (lval_T
*)alloc_clear((unsigned)sizeof(lval_T
));
999 if (redir_lval
== NULL
)
1005 /* The output is stored in growarray "redir_ga" until redirection ends. */
1006 ga_init2(&redir_ga
, (int)sizeof(char), 500);
1008 /* Parse the variable name (can be a dict or list entry). */
1009 redir_endp
= get_lval(redir_varname
, NULL
, redir_lval
, FALSE
, FALSE
, FALSE
,
1011 if (redir_endp
== NULL
|| redir_lval
->ll_name
== NULL
|| *redir_endp
!= NUL
)
1013 if (redir_endp
!= NULL
&& *redir_endp
!= NUL
)
1014 /* Trailing characters are present after the variable name */
1015 EMSG(_(e_trailing
));
1022 /* check if we can write to the variable: set it to or append an empty
1024 save_emsg
= did_emsg
;
1026 tv
.v_type
= VAR_STRING
;
1027 tv
.vval
.v_string
= (char_u
*)"";
1029 set_var_lval(redir_lval
, redir_endp
, &tv
, TRUE
, (char_u
*)".");
1031 set_var_lval(redir_lval
, redir_endp
, &tv
, TRUE
, (char_u
*)"=");
1033 did_emsg
|= save_emsg
;
1039 if (redir_lval
->ll_newkey
!= NULL
)
1041 /* Dictionary item was created, don't do it again. */
1042 vim_free(redir_lval
->ll_newkey
);
1043 redir_lval
->ll_newkey
= NULL
;
1050 * Append "value[value_len]" to the variable set by var_redir_start().
1051 * The actual appending is postponed until redirection ends, because the value
1052 * appended may in fact be the string we write to, changing it may cause freed
1053 * memory to be used:
1059 var_redir_str(value
, value_len
)
1065 if (redir_lval
== NULL
)
1068 if (value_len
== -1)
1069 len
= (int)STRLEN(value
); /* Append the entire string */
1071 len
= value_len
; /* Append only "value_len" characters */
1073 if (ga_grow(&redir_ga
, len
) == OK
)
1075 mch_memmove((char *)redir_ga
.ga_data
+ redir_ga
.ga_len
, value
, len
);
1076 redir_ga
.ga_len
+= len
;
1083 * Stop redirecting command output to a variable.
1090 if (redir_lval
!= NULL
)
1092 /* Append the trailing NUL. */
1093 ga_append(&redir_ga
, NUL
);
1095 /* Assign the text to the variable. */
1096 tv
.v_type
= VAR_STRING
;
1097 tv
.vval
.v_string
= redir_ga
.ga_data
;
1098 set_var_lval(redir_lval
, redir_endp
, &tv
, FALSE
, (char_u
*)".");
1099 vim_free(tv
.vval
.v_string
);
1101 clear_lval(redir_lval
);
1102 vim_free(redir_lval
);
1105 vim_free(redir_varname
);
1106 redir_varname
= NULL
;
1109 # if defined(FEAT_MBYTE) || defined(PROTO)
1111 eval_charconvert(enc_from
, enc_to
, fname_from
, fname_to
)
1119 set_vim_var_string(VV_CC_FROM
, enc_from
, -1);
1120 set_vim_var_string(VV_CC_TO
, enc_to
, -1);
1121 set_vim_var_string(VV_FNAME_IN
, fname_from
, -1);
1122 set_vim_var_string(VV_FNAME_OUT
, fname_to
, -1);
1123 if (eval_to_bool(p_ccv
, &err
, NULL
, FALSE
))
1125 set_vim_var_string(VV_CC_FROM
, NULL
, -1);
1126 set_vim_var_string(VV_CC_TO
, NULL
, -1);
1127 set_vim_var_string(VV_FNAME_IN
, NULL
, -1);
1128 set_vim_var_string(VV_FNAME_OUT
, NULL
, -1);
1136 # if defined(FEAT_POSTSCRIPT) || defined(PROTO)
1138 eval_printexpr(fname
, args
)
1144 set_vim_var_string(VV_FNAME_IN
, fname
, -1);
1145 set_vim_var_string(VV_CMDARG
, args
, -1);
1146 if (eval_to_bool(p_pexpr
, &err
, NULL
, FALSE
))
1148 set_vim_var_string(VV_FNAME_IN
, NULL
, -1);
1149 set_vim_var_string(VV_CMDARG
, NULL
, -1);
1160 # if defined(FEAT_DIFF) || defined(PROTO)
1162 eval_diff(origfile
, newfile
, outfile
)
1169 set_vim_var_string(VV_FNAME_IN
, origfile
, -1);
1170 set_vim_var_string(VV_FNAME_NEW
, newfile
, -1);
1171 set_vim_var_string(VV_FNAME_OUT
, outfile
, -1);
1172 (void)eval_to_bool(p_dex
, &err
, NULL
, FALSE
);
1173 set_vim_var_string(VV_FNAME_IN
, NULL
, -1);
1174 set_vim_var_string(VV_FNAME_NEW
, NULL
, -1);
1175 set_vim_var_string(VV_FNAME_OUT
, NULL
, -1);
1179 eval_patch(origfile
, difffile
, outfile
)
1186 set_vim_var_string(VV_FNAME_IN
, origfile
, -1);
1187 set_vim_var_string(VV_FNAME_DIFF
, difffile
, -1);
1188 set_vim_var_string(VV_FNAME_OUT
, outfile
, -1);
1189 (void)eval_to_bool(p_pex
, &err
, NULL
, FALSE
);
1190 set_vim_var_string(VV_FNAME_IN
, NULL
, -1);
1191 set_vim_var_string(VV_FNAME_DIFF
, NULL
, -1);
1192 set_vim_var_string(VV_FNAME_OUT
, NULL
, -1);
1197 * Top level evaluation function, returning a boolean.
1198 * Sets "error" to TRUE if there was an error.
1199 * Return TRUE or FALSE.
1202 eval_to_bool(arg
, error
, nextcmd
, skip
)
1206 int skip
; /* only parse, don't execute */
1213 if (eval0(arg
, &tv
, nextcmd
, !skip
) == FAIL
)
1220 retval
= (get_tv_number_chk(&tv
, error
) != 0);
1231 * Top level evaluation function, returning a string. If "skip" is TRUE,
1232 * only parsing to "nextcmd" is done, without reporting errors. Return
1233 * pointer to allocated memory, or NULL for failure or when "skip" is TRUE.
1236 eval_to_string_skip(arg
, nextcmd
, skip
)
1239 int skip
; /* only parse, don't execute */
1246 if (eval0(arg
, &tv
, nextcmd
, !skip
) == FAIL
|| skip
)
1250 retval
= vim_strsave(get_tv_string(&tv
));
1260 * Skip over an expression at "*pp".
1261 * Return FAIL for an error, OK otherwise.
1269 *pp
= skipwhite(*pp
);
1270 return eval1(pp
, &rettv
, FALSE
);
1274 * Top level evaluation function, returning a string.
1275 * When "convert" is TRUE convert a List into a sequence of lines and convert
1276 * a Float to a String.
1277 * Return pointer to allocated memory, or NULL for failure.
1280 eval_to_string(arg
, nextcmd
, convert
)
1288 char_u numbuf
[NUMBUFLEN
];
1290 if (eval0(arg
, &tv
, nextcmd
, TRUE
) == FAIL
)
1294 if (convert
&& tv
.v_type
== VAR_LIST
)
1296 ga_init2(&ga
, (int)sizeof(char), 80);
1297 if (tv
.vval
.v_list
!= NULL
)
1298 list_join(&ga
, tv
.vval
.v_list
, (char_u
*)"\n", TRUE
, 0);
1299 ga_append(&ga
, NUL
);
1300 retval
= (char_u
*)ga
.ga_data
;
1303 else if (convert
&& tv
.v_type
== VAR_FLOAT
)
1305 vim_snprintf((char *)numbuf
, NUMBUFLEN
, "%g", tv
.vval
.v_float
);
1306 retval
= vim_strsave(numbuf
);
1310 retval
= vim_strsave(get_tv_string(&tv
));
1318 * Call eval_to_string() without using current local variables and using
1319 * textlock. When "use_sandbox" is TRUE use the sandbox.
1322 eval_to_string_safe(arg
, nextcmd
, use_sandbox
)
1328 void *save_funccalp
;
1330 save_funccalp
= save_funccal();
1334 retval
= eval_to_string(arg
, nextcmd
, FALSE
);
1338 restore_funccal(save_funccalp
);
1343 * Top level evaluation function, returning a number.
1344 * Evaluates "expr" silently.
1345 * Returns -1 for an error.
1348 eval_to_number(expr
)
1353 char_u
*p
= skipwhite(expr
);
1357 if (eval1(&p
, &rettv
, TRUE
) == FAIL
)
1361 retval
= get_tv_number_chk(&rettv
, NULL
);
1370 * Prepare v: variable "idx" to be used.
1371 * Save the current typeval in "save_tv".
1372 * When not used yet add the variable to the v: hashtable.
1375 prepare_vimvar(idx
, save_tv
)
1379 *save_tv
= vimvars
[idx
].vv_tv
;
1380 if (vimvars
[idx
].vv_type
== VAR_UNKNOWN
)
1381 hash_add(&vimvarht
, vimvars
[idx
].vv_di
.di_key
);
1385 * Restore v: variable "idx" to typeval "save_tv".
1386 * When no longer defined, remove the variable from the v: hashtable.
1389 restore_vimvar(idx
, save_tv
)
1395 vimvars
[idx
].vv_tv
= *save_tv
;
1396 if (vimvars
[idx
].vv_type
== VAR_UNKNOWN
)
1398 hi
= hash_find(&vimvarht
, vimvars
[idx
].vv_di
.di_key
);
1399 if (HASHITEM_EMPTY(hi
))
1400 EMSG2(_(e_intern2
), "restore_vimvar()");
1402 hash_remove(&vimvarht
, hi
);
1406 #if defined(FEAT_SPELL) || defined(PROTO)
1408 * Evaluate an expression to a list with suggestions.
1409 * For the "expr:" part of 'spellsuggest'.
1410 * Returns NULL when there is an error.
1413 eval_spell_expr(badword
, expr
)
1419 list_T
*list
= NULL
;
1420 char_u
*p
= skipwhite(expr
);
1422 /* Set "v:val" to the bad word. */
1423 prepare_vimvar(VV_VAL
, &save_val
);
1424 vimvars
[VV_VAL
].vv_type
= VAR_STRING
;
1425 vimvars
[VV_VAL
].vv_str
= badword
;
1429 if (eval1(&p
, &rettv
, TRUE
) == OK
)
1431 if (rettv
.v_type
!= VAR_LIST
)
1434 list
= rettv
.vval
.v_list
;
1439 restore_vimvar(VV_VAL
, &save_val
);
1445 * "list" is supposed to contain two items: a word and a number. Return the
1446 * word in "pp" and the number as the return value.
1447 * Return -1 if anything isn't right.
1448 * Used to get the good word and score from the eval_spell_expr() result.
1451 get_spellword(list
, pp
)
1457 li
= list
->lv_first
;
1460 *pp
= get_tv_string(&li
->li_tv
);
1465 return get_tv_number(&li
->li_tv
);
1470 * Top level evaluation function.
1471 * Returns an allocated typval_T with the result.
1472 * Returns NULL when there is an error.
1475 eval_expr(arg
, nextcmd
)
1481 tv
= (typval_T
*)alloc(sizeof(typval_T
));
1482 if (tv
!= NULL
&& eval0(arg
, tv
, nextcmd
, TRUE
) == FAIL
)
1492 #if (defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)) \
1493 || defined(FEAT_COMPL_FUNC) || defined(PROTO)
1495 * Call some vimL function and return the result in "*rettv".
1496 * Uses argv[argc] for the function arguments. Only Number and String
1497 * arguments are currently supported.
1498 * Returns OK or FAIL.
1501 call_vim_function(func
, argc
, argv
, safe
, rettv
)
1505 int safe
; /* use the sandbox */
1513 void *save_funccalp
= NULL
;
1516 argvars
= (typval_T
*)alloc((unsigned)((argc
+ 1) * sizeof(typval_T
)));
1517 if (argvars
== NULL
)
1520 for (i
= 0; i
< argc
; i
++)
1522 /* Pass a NULL or empty argument as an empty string */
1523 if (argv
[i
] == NULL
|| *argv
[i
] == NUL
)
1525 argvars
[i
].v_type
= VAR_STRING
;
1526 argvars
[i
].vval
.v_string
= (char_u
*)"";
1530 /* Recognize a number argument, the others must be strings. */
1531 vim_str2nr(argv
[i
], NULL
, &len
, TRUE
, TRUE
, &n
, NULL
);
1532 if (len
!= 0 && len
== (int)STRLEN(argv
[i
]))
1534 argvars
[i
].v_type
= VAR_NUMBER
;
1535 argvars
[i
].vval
.v_number
= n
;
1539 argvars
[i
].v_type
= VAR_STRING
;
1540 argvars
[i
].vval
.v_string
= argv
[i
];
1546 save_funccalp
= save_funccal();
1550 rettv
->v_type
= VAR_UNKNOWN
; /* clear_tv() uses this */
1551 ret
= call_func(func
, (int)STRLEN(func
), rettv
, argc
, argvars
,
1552 curwin
->w_cursor
.lnum
, curwin
->w_cursor
.lnum
,
1553 &doesrange
, TRUE
, NULL
);
1557 restore_funccal(save_funccalp
);
1567 # if (defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)) || defined(PROTO)
1569 * Call vimL function "func" and return the result as a string.
1570 * Returns NULL when calling the function fails.
1571 * Uses argv[argc] for the function arguments.
1574 call_func_retstr(func
, argc
, argv
, safe
)
1578 int safe
; /* use the sandbox */
1583 if (call_vim_function(func
, argc
, argv
, safe
, &rettv
) == FAIL
)
1586 retval
= vim_strsave(get_tv_string(&rettv
));
1592 # if defined(FEAT_COMPL_FUNC) || defined(PROTO)
1594 * Call vimL function "func" and return the result as a number.
1595 * Returns -1 when calling the function fails.
1596 * Uses argv[argc] for the function arguments.
1599 call_func_retnr(func
, argc
, argv
, safe
)
1603 int safe
; /* use the sandbox */
1608 if (call_vim_function(func
, argc
, argv
, safe
, &rettv
) == FAIL
)
1611 retval
= get_tv_number_chk(&rettv
, NULL
);
1618 * Call vimL function "func" and return the result as a List.
1619 * Uses argv[argc] for the function arguments.
1620 * Returns NULL when there is something wrong.
1623 call_func_retlist(func
, argc
, argv
, safe
)
1627 int safe
; /* use the sandbox */
1631 if (call_vim_function(func
, argc
, argv
, safe
, &rettv
) == FAIL
)
1634 if (rettv
.v_type
!= VAR_LIST
)
1640 return rettv
.vval
.v_list
;
1646 * Save the current function call pointer, and set it to NULL.
1647 * Used when executing autocommands and for ":source".
1652 funccall_T
*fc
= current_funccal
;
1654 current_funccal
= NULL
;
1659 restore_funccal(vfc
)
1662 funccall_T
*fc
= (funccall_T
*)vfc
;
1664 current_funccal
= fc
;
1667 #if defined(FEAT_PROFILE) || defined(PROTO)
1669 * Prepare profiling for entering a child or something else that is not
1670 * counted for the script/function itself.
1671 * Should always be called in pair with prof_child_exit().
1674 prof_child_enter(tm
)
1675 proftime_T
*tm
; /* place to store waittime */
1677 funccall_T
*fc
= current_funccal
;
1679 if (fc
!= NULL
&& fc
->func
->uf_profiling
)
1680 profile_start(&fc
->prof_child
);
1681 script_prof_save(tm
);
1685 * Take care of time spent in a child.
1686 * Should always be called after prof_child_enter().
1690 proftime_T
*tm
; /* where waittime was stored */
1692 funccall_T
*fc
= current_funccal
;
1694 if (fc
!= NULL
&& fc
->func
->uf_profiling
)
1696 profile_end(&fc
->prof_child
);
1697 profile_sub_wait(tm
, &fc
->prof_child
); /* don't count waiting time */
1698 profile_add(&fc
->func
->uf_tm_children
, &fc
->prof_child
);
1699 profile_add(&fc
->func
->uf_tml_children
, &fc
->prof_child
);
1701 script_prof_restore(tm
);
1708 * Evaluate 'foldexpr'. Returns the foldlevel, and any character preceding
1709 * it in "*cp". Doesn't give error messages.
1712 eval_foldexpr(arg
, cp
)
1719 int use_sandbox
= was_set_insecurely((char_u
*)"foldexpr",
1727 if (eval0(arg
, &tv
, NULL
, TRUE
) == FAIL
)
1731 /* If the result is a number, just return the number. */
1732 if (tv
.v_type
== VAR_NUMBER
)
1733 retval
= tv
.vval
.v_number
;
1734 else if (tv
.v_type
!= VAR_STRING
|| tv
.vval
.v_string
== NULL
)
1738 /* If the result is a string, check if there is a non-digit before
1740 s
= tv
.vval
.v_string
;
1741 if (!VIM_ISDIGIT(*s
) && *s
!= '-')
1743 retval
= atol((char *)s
);
1757 * ":let" list all variable values
1758 * ":let var1 var2" list variable values
1759 * ":let var = expr" assignment command.
1760 * ":let var += expr" assignment command.
1761 * ":let var -= expr" assignment command.
1762 * ":let var .= expr" assignment command.
1763 * ":let [var1, var2] = expr" unpack list.
1769 char_u
*arg
= eap
->arg
;
1770 char_u
*expr
= NULL
;
1779 argend
= skip_var_list(arg
, &var_count
, &semicolon
);
1782 if (argend
> arg
&& argend
[-1] == '.') /* for var.='str' */
1784 expr
= vim_strchr(argend
, '=');
1788 * ":let" without "=": list variables
1792 else if (!ends_excmd(*arg
))
1793 /* ":let var1 var2" */
1794 arg
= list_arg_vars(eap
, arg
, &first
);
1795 else if (!eap
->skip
)
1798 list_glob_vars(&first
);
1799 list_buf_vars(&first
);
1800 list_win_vars(&first
);
1802 list_tab_vars(&first
);
1804 list_script_vars(&first
);
1805 list_func_vars(&first
);
1806 list_vim_vars(&first
);
1808 eap
->nextcmd
= check_nextcmd(arg
);
1816 if (vim_strchr((char_u
*)"+-.", expr
[-1]) != NULL
)
1817 op
[0] = expr
[-1]; /* +=, -= or .= */
1819 expr
= skipwhite(expr
+ 1);
1823 i
= eval0(expr
, &rettv
, &eap
->nextcmd
, !eap
->skip
);
1832 (void)ex_let_vars(eap
->arg
, &rettv
, FALSE
, semicolon
, var_count
,
1840 * Assign the typevalue "tv" to the variable or variables at "arg_start".
1841 * Handles both "var" with any type and "[var, var; var]" with a list type.
1842 * When "nextchars" is not NULL it points to a string with characters that
1843 * must appear after the variable(s). Use "+", "-" or "." for add, subtract
1845 * Returns OK or FAIL;
1848 ex_let_vars(arg_start
, tv
, copy
, semicolon
, var_count
, nextchars
)
1851 int copy
; /* copy values from "tv", don't move */
1852 int semicolon
; /* from skip_var_list() */
1853 int var_count
; /* from skip_var_list() */
1856 char_u
*arg
= arg_start
;
1865 * ":let var = expr" or ":for var in list"
1867 if (ex_let_one(arg
, tv
, copy
, nextchars
, nextchars
) == NULL
)
1873 * ":let [v1, v2] = list" or ":for [v1, v2] in listlist"
1875 if (tv
->v_type
!= VAR_LIST
|| (l
= tv
->vval
.v_list
) == NULL
)
1882 if (semicolon
== 0 && var_count
< i
)
1884 EMSG(_("E687: Less targets than List items"));
1887 if (var_count
- semicolon
> i
)
1889 EMSG(_("E688: More targets than List items"));
1896 arg
= skipwhite(arg
+ 1);
1897 arg
= ex_let_one(arg
, &item
->li_tv
, TRUE
, (char_u
*)",;]", nextchars
);
1898 item
= item
->li_next
;
1902 arg
= skipwhite(arg
);
1905 /* Put the rest of the list (may be empty) in the var after ';'.
1906 * Create a new list for this. */
1910 while (item
!= NULL
)
1912 list_append_tv(l
, &item
->li_tv
);
1913 item
= item
->li_next
;
1916 ltv
.v_type
= VAR_LIST
;
1918 ltv
.vval
.v_list
= l
;
1921 arg
= ex_let_one(skipwhite(arg
+ 1), <v
, FALSE
,
1922 (char_u
*)"]", nextchars
);
1928 else if (*arg
!= ',' && *arg
!= ']')
1930 EMSG2(_(e_intern2
), "ex_let_vars()");
1939 * Skip over assignable variable "var" or list of variables "[var, var]".
1940 * Used for ":let varvar = expr" and ":for varvar in expr".
1941 * For "[var, var]" increment "*var_count" for each variable.
1942 * for "[var, var; var]" set "semicolon".
1943 * Return NULL for an error.
1946 skip_var_list(arg
, var_count
, semicolon
)
1955 /* "[var, var]": find the matching ']'. */
1959 p
= skipwhite(p
+ 1); /* skip whites after '[', ';' or ',' */
1960 s
= skip_var_one(p
);
1963 EMSG2(_(e_invarg2
), p
);
1973 if (*semicolon
== 1)
1975 EMSG(_("Double ; in list of variables"));
1982 EMSG2(_(e_invarg2
), p
);
1989 return skip_var_one(arg
);
1993 * Skip one (assignable) variable name, including @r, $VAR, &option, d.key,
2000 if (*arg
== '@' && arg
[1] != NUL
)
2002 return find_name_end(*arg
== '$' || *arg
== '&' ? arg
+ 1 : arg
,
2003 NULL
, NULL
, FNE_INCL_BR
| FNE_CHECK_START
);
2007 * List variables for hashtab "ht" with prefix "prefix".
2008 * If "empty" is TRUE also list NULL strings as empty strings.
2011 list_hashtable_vars(ht
, prefix
, empty
, first
)
2021 todo
= (int)ht
->ht_used
;
2022 for (hi
= ht
->ht_array
; todo
> 0 && !got_int
; ++hi
)
2024 if (!HASHITEM_EMPTY(hi
))
2028 if (empty
|| di
->di_tv
.v_type
!= VAR_STRING
2029 || di
->di_tv
.vval
.v_string
!= NULL
)
2030 list_one_var(di
, prefix
, first
);
2036 * List global variables.
2039 list_glob_vars(first
)
2042 list_hashtable_vars(&globvarht
, (char_u
*)"", TRUE
, first
);
2046 * List buffer variables.
2049 list_buf_vars(first
)
2052 char_u numbuf
[NUMBUFLEN
];
2054 list_hashtable_vars(&curbuf
->b_vars
.dv_hashtab
, (char_u
*)"b:",
2057 sprintf((char *)numbuf
, "%ld", (long)curbuf
->b_changedtick
);
2058 list_one_var_a((char_u
*)"b:", (char_u
*)"changedtick", VAR_NUMBER
,
2063 * List window variables.
2066 list_win_vars(first
)
2069 list_hashtable_vars(&curwin
->w_vars
.dv_hashtab
,
2070 (char_u
*)"w:", TRUE
, first
);
2075 * List tab page variables.
2078 list_tab_vars(first
)
2081 list_hashtable_vars(&curtab
->tp_vars
.dv_hashtab
,
2082 (char_u
*)"t:", TRUE
, first
);
2087 * List Vim variables.
2090 list_vim_vars(first
)
2093 list_hashtable_vars(&vimvarht
, (char_u
*)"v:", FALSE
, first
);
2097 * List script-local variables, if there is a script.
2100 list_script_vars(first
)
2103 if (current_SID
> 0 && current_SID
<= ga_scripts
.ga_len
)
2104 list_hashtable_vars(&SCRIPT_VARS(current_SID
),
2105 (char_u
*)"s:", FALSE
, first
);
2109 * List function variables, if there is a function.
2112 list_func_vars(first
)
2115 if (current_funccal
!= NULL
)
2116 list_hashtable_vars(¤t_funccal
->l_vars
.dv_hashtab
,
2117 (char_u
*)"l:", FALSE
, first
);
2121 * List variables in "arg".
2124 list_arg_vars(eap
, arg
, first
)
2137 while (!ends_excmd(*arg
) && !got_int
)
2139 if (error
|| eap
->skip
)
2141 arg
= find_name_end(arg
, NULL
, NULL
, FNE_INCL_BR
| FNE_CHECK_START
);
2142 if (!vim_iswhite(*arg
) && !ends_excmd(*arg
))
2145 EMSG(_(e_trailing
));
2151 /* get_name_len() takes care of expanding curly braces */
2152 name_start
= name
= arg
;
2153 len
= get_name_len(&arg
, &tofree
, TRUE
, TRUE
);
2156 /* This is mainly to keep test 49 working: when expanding
2157 * curly braces fails overrule the exception error message. */
2158 if (len
< 0 && !aborting())
2161 EMSG2(_(e_invarg2
), arg
);
2170 if (get_var_tv(name
, len
, &tv
, TRUE
) == FAIL
)
2174 /* handle d.key, l[idx], f(expr) */
2176 if (handle_subscript(&arg
, &tv
, TRUE
, TRUE
) == FAIL
)
2180 if (arg
== arg_subsc
&& len
== 2 && name
[1] == ':')
2184 case 'g': list_glob_vars(first
); break;
2185 case 'b': list_buf_vars(first
); break;
2186 case 'w': list_win_vars(first
); break;
2188 case 't': list_tab_vars(first
); break;
2190 case 'v': list_vim_vars(first
); break;
2191 case 's': list_script_vars(first
); break;
2192 case 'l': list_func_vars(first
); break;
2194 EMSG2(_("E738: Can't list variables for %s"), name
);
2199 char_u numbuf
[NUMBUFLEN
];
2204 s
= echo_string(&tv
, &tf
, numbuf
, 0);
2207 list_one_var_a((char_u
*)"",
2208 arg
== arg_subsc
? name
: name_start
,
2210 s
== NULL
? (char_u
*)"" : s
,
2223 arg
= skipwhite(arg
);
2230 * Set one item of ":let var = expr" or ":let [v1, v2] = list" to its value.
2231 * Returns a pointer to the char just after the var name.
2232 * Returns NULL if there is an error.
2235 ex_let_one(arg
, tv
, copy
, endchars
, op
)
2236 char_u
*arg
; /* points to variable name */
2237 typval_T
*tv
; /* value to assign to variable */
2238 int copy
; /* copy value from "tv" */
2239 char_u
*endchars
; /* valid chars after variable name or NULL */
2240 char_u
*op
; /* "+", "-", "." or NULL*/
2245 char_u
*arg_end
= NULL
;
2248 char_u
*tofree
= NULL
;
2251 * ":let $VAR = expr": Set environment variable.
2255 /* Find the end of the name. */
2258 len
= get_env_len(&arg
);
2260 EMSG2(_(e_invarg2
), name
- 1);
2263 if (op
!= NULL
&& (*op
== '+' || *op
== '-'))
2264 EMSG2(_(e_letwrong
), op
);
2265 else if (endchars
!= NULL
2266 && vim_strchr(endchars
, *skipwhite(arg
)) == NULL
)
2267 EMSG(_(e_letunexp
));
2272 p
= get_tv_string_chk(tv
);
2273 if (p
!= NULL
&& op
!= NULL
&& *op
== '.')
2275 int mustfree
= FALSE
;
2276 char_u
*s
= vim_getenv(name
, &mustfree
);
2280 p
= tofree
= concat_str(s
, p
);
2287 vim_setenv(name
, p
);
2288 if (STRICMP(name
, "HOME") == 0)
2290 else if (didset_vim
&& STRICMP(name
, "VIM") == 0)
2292 else if (didset_vimruntime
2293 && STRICMP(name
, "VIMRUNTIME") == 0)
2294 didset_vimruntime
= FALSE
;
2304 * ":let &option = expr": Set option value.
2305 * ":let &l:option = expr": Set local option value.
2306 * ":let &g:option = expr": Set global option value.
2308 else if (*arg
== '&')
2310 /* Find the end of the name. */
2311 p
= find_option_end(&arg
, &opt_flags
);
2312 if (p
== NULL
|| (endchars
!= NULL
2313 && vim_strchr(endchars
, *skipwhite(p
)) == NULL
))
2314 EMSG(_(e_letunexp
));
2320 char_u
*stringval
= NULL
;
2326 n
= get_tv_number(tv
);
2327 s
= get_tv_string_chk(tv
); /* != NULL if number or string */
2328 if (s
!= NULL
&& op
!= NULL
&& *op
!= '=')
2330 opt_type
= get_option_value(arg
, &numval
,
2331 &stringval
, opt_flags
);
2332 if ((opt_type
== 1 && *op
== '.')
2333 || (opt_type
== 0 && *op
!= '.'))
2334 EMSG2(_(e_letwrong
), op
);
2337 if (opt_type
== 1) /* number */
2344 else if (opt_type
== 0 && stringval
!= NULL
) /* string */
2346 s
= concat_str(stringval
, s
);
2347 vim_free(stringval
);
2354 set_option_value(arg
, n
, s
, opt_flags
);
2358 vim_free(stringval
);
2363 * ":let @r = expr": Set register contents.
2365 else if (*arg
== '@')
2368 if (op
!= NULL
&& (*op
== '+' || *op
== '-'))
2369 EMSG2(_(e_letwrong
), op
);
2370 else if (endchars
!= NULL
2371 && vim_strchr(endchars
, *skipwhite(arg
+ 1)) == NULL
)
2372 EMSG(_(e_letunexp
));
2375 char_u
*ptofree
= NULL
;
2378 p
= get_tv_string_chk(tv
);
2379 if (p
!= NULL
&& op
!= NULL
&& *op
== '.')
2381 s
= get_reg_contents(*arg
== '@' ? '"' : *arg
, TRUE
, TRUE
);
2384 p
= ptofree
= concat_str(s
, p
);
2390 write_reg_contents(*arg
== '@' ? '"' : *arg
, p
, -1, FALSE
);
2398 * ":let var = expr": Set internal variable.
2399 * ":let {expr} = expr": Idem, name made with curly braces
2401 else if (eval_isnamec1(*arg
) || *arg
== '{')
2405 p
= get_lval(arg
, tv
, &lv
, FALSE
, FALSE
, FALSE
, FNE_CHECK_START
);
2406 if (p
!= NULL
&& lv
.ll_name
!= NULL
)
2408 if (endchars
!= NULL
&& vim_strchr(endchars
, *skipwhite(p
)) == NULL
)
2409 EMSG(_(e_letunexp
));
2412 set_var_lval(&lv
, p
, tv
, copy
, op
);
2420 EMSG2(_(e_invarg2
), arg
);
2426 * If "arg" is equal to "b:changedtick" give an error and return TRUE.
2429 check_changedtick(arg
)
2432 if (STRNCMP(arg
, "b:changedtick", 13) == 0 && !eval_isnamec(arg
[13]))
2434 EMSG2(_(e_readonlyvar
), arg
);
2441 * Get an lval: variable, Dict item or List item that can be assigned a value
2442 * to: "name", "na{me}", "name[expr]", "name[expr:expr]", "name[expr][expr]",
2443 * "name.key", "name.key[expr]" etc.
2444 * Indexing only works if "name" is an existing List or Dictionary.
2445 * "name" points to the start of the name.
2446 * If "rettv" is not NULL it points to the value to be assigned.
2447 * "unlet" is TRUE for ":unlet": slightly different behavior when something is
2448 * wrong; must end in space or cmd separator.
2450 * Returns a pointer to just after the name, including indexes.
2451 * When an evaluation error occurs "lp->ll_name" is NULL;
2452 * Returns NULL for a parsing error. Still need to free items in "lp"!
2455 get_lval(name
, rettv
, lp
, unlet
, skip
, quiet
, fne_flags
)
2461 int quiet
; /* don't give error messages */
2462 int fne_flags
; /* flags for find_name_end() */
2465 char_u
*expr_start
, *expr_end
;
2476 /* Clear everything in "lp". */
2477 vim_memset(lp
, 0, sizeof(lval_T
));
2481 /* When skipping just find the end of the name. */
2483 return find_name_end(name
, NULL
, NULL
, FNE_INCL_BR
| fne_flags
);
2486 /* Find the end of the name. */
2487 p
= find_name_end(name
, &expr_start
, &expr_end
, fne_flags
);
2488 if (expr_start
!= NULL
)
2490 /* Don't expand the name when we already know there is an error. */
2491 if (unlet
&& !vim_iswhite(*p
) && !ends_excmd(*p
)
2492 && *p
!= '[' && *p
!= '.')
2494 EMSG(_(e_trailing
));
2498 lp
->ll_exp_name
= make_expanded_name(name
, expr_start
, expr_end
, p
);
2499 if (lp
->ll_exp_name
== NULL
)
2501 /* Report an invalid expression in braces, unless the
2502 * expression evaluation has been cancelled due to an
2503 * aborting error, an interrupt, or an exception. */
2504 if (!aborting() && !quiet
)
2507 EMSG2(_(e_invarg2
), name
);
2511 lp
->ll_name
= lp
->ll_exp_name
;
2516 /* Without [idx] or .key we are done. */
2517 if ((*p
!= '[' && *p
!= '.') || lp
->ll_name
== NULL
)
2522 v
= find_var(lp
->ll_name
, &ht
);
2523 if (v
== NULL
&& !quiet
)
2524 EMSG2(_(e_undefvar
), lp
->ll_name
);
2530 * Loop until no more [idx] or .key is following.
2532 lp
->ll_tv
= &v
->di_tv
;
2533 while (*p
== '[' || (*p
== '.' && lp
->ll_tv
->v_type
== VAR_DICT
))
2535 if (!(lp
->ll_tv
->v_type
== VAR_LIST
&& lp
->ll_tv
->vval
.v_list
!= NULL
)
2536 && !(lp
->ll_tv
->v_type
== VAR_DICT
2537 && lp
->ll_tv
->vval
.v_dict
!= NULL
))
2540 EMSG(_("E689: Can only index a List or Dictionary"));
2546 EMSG(_("E708: [:] must come last"));
2554 for (len
= 0; ASCII_ISALNUM(key
[len
]) || key
[len
] == '_'; ++len
)
2559 EMSG(_(e_emptykey
));
2566 /* Get the index [expr] or the first index [expr: ]. */
2567 p
= skipwhite(p
+ 1);
2573 if (eval1(&p
, &var1
, TRUE
) == FAIL
) /* recursive! */
2575 if (get_tv_string_chk(&var1
) == NULL
)
2577 /* not a number or string */
2583 /* Optionally get the second index [ :expr]. */
2586 if (lp
->ll_tv
->v_type
== VAR_DICT
)
2589 EMSG(_(e_dictrange
));
2594 if (rettv
!= NULL
&& (rettv
->v_type
!= VAR_LIST
2595 || rettv
->vval
.v_list
== NULL
))
2598 EMSG(_("E709: [:] requires a List value"));
2603 p
= skipwhite(p
+ 1);
2605 lp
->ll_empty2
= TRUE
;
2608 lp
->ll_empty2
= FALSE
;
2609 if (eval1(&p
, &var2
, TRUE
) == FAIL
) /* recursive! */
2615 if (get_tv_string_chk(&var2
) == NULL
)
2617 /* not a number or string */
2624 lp
->ll_range
= TRUE
;
2627 lp
->ll_range
= FALSE
;
2632 EMSG(_(e_missbrac
));
2635 if (lp
->ll_range
&& !lp
->ll_empty2
)
2640 /* Skip to past ']'. */
2644 if (lp
->ll_tv
->v_type
== VAR_DICT
)
2648 /* "[key]": get key from "var1" */
2649 key
= get_tv_string(&var1
); /* is number or string */
2653 EMSG(_(e_emptykey
));
2659 lp
->ll_dict
= lp
->ll_tv
->vval
.v_dict
;
2660 lp
->ll_di
= dict_find(lp
->ll_dict
, key
, len
);
2661 if (lp
->ll_di
== NULL
)
2663 /* Key does not exist in dict: may need to add it. */
2664 if (*p
== '[' || *p
== '.' || unlet
)
2667 EMSG2(_(e_dictkey
), key
);
2673 lp
->ll_newkey
= vim_strsave(key
);
2675 lp
->ll_newkey
= vim_strnsave(key
, len
);
2678 if (lp
->ll_newkey
== NULL
)
2684 lp
->ll_tv
= &lp
->ll_di
->di_tv
;
2689 * Get the number and item for the only or first index of the List.
2695 lp
->ll_n1
= get_tv_number(&var1
); /* is number or string */
2699 lp
->ll_list
= lp
->ll_tv
->vval
.v_list
;
2700 lp
->ll_li
= list_find(lp
->ll_list
, lp
->ll_n1
);
2701 if (lp
->ll_li
== NULL
)
2706 lp
->ll_li
= list_find(lp
->ll_list
, lp
->ll_n1
);
2709 if (lp
->ll_li
== NULL
)
2711 if (lp
->ll_range
&& !lp
->ll_empty2
)
2717 * May need to find the item or absolute index for the second
2719 * When no index given: "lp->ll_empty2" is TRUE.
2720 * Otherwise "lp->ll_n2" is set to the second index.
2722 if (lp
->ll_range
&& !lp
->ll_empty2
)
2724 lp
->ll_n2
= get_tv_number(&var2
); /* is number or string */
2728 ni
= list_find(lp
->ll_list
, lp
->ll_n2
);
2731 lp
->ll_n2
= list_idx_of_item(lp
->ll_list
, ni
);
2734 /* Check that lp->ll_n2 isn't before lp->ll_n1. */
2736 lp
->ll_n1
= list_idx_of_item(lp
->ll_list
, lp
->ll_li
);
2737 if (lp
->ll_n2
< lp
->ll_n1
)
2741 lp
->ll_tv
= &lp
->ll_li
->li_tv
;
2749 * Clear lval "lp" that was filled by get_lval().
2755 vim_free(lp
->ll_exp_name
);
2756 vim_free(lp
->ll_newkey
);
2760 * Set a variable that was parsed by get_lval() to "rettv".
2761 * "endp" points to just after the parsed name.
2762 * "op" is NULL, "+" for "+=", "-" for "-=", "." for ".=" or "=" for "=".
2765 set_var_lval(lp
, endp
, rettv
, copy
, op
)
2776 if (lp
->ll_tv
== NULL
)
2778 if (!check_changedtick(lp
->ll_name
))
2782 if (op
!= NULL
&& *op
!= '=')
2786 /* handle +=, -= and .= */
2787 if (get_var_tv(lp
->ll_name
, (int)STRLEN(lp
->ll_name
),
2790 if (tv_op(&tv
, rettv
, op
) == OK
)
2791 set_var(lp
->ll_name
, &tv
, FALSE
);
2796 set_var(lp
->ll_name
, rettv
, copy
);
2800 else if (tv_check_lock(lp
->ll_newkey
== NULL
2802 : lp
->ll_tv
->vval
.v_dict
->dv_lock
, lp
->ll_name
))
2804 else if (lp
->ll_range
)
2807 * Assign the List values to the list items.
2809 for (ri
= rettv
->vval
.v_list
->lv_first
; ri
!= NULL
; )
2811 if (op
!= NULL
&& *op
!= '=')
2812 tv_op(&lp
->ll_li
->li_tv
, &ri
->li_tv
, op
);
2815 clear_tv(&lp
->ll_li
->li_tv
);
2816 copy_tv(&ri
->li_tv
, &lp
->ll_li
->li_tv
);
2819 if (ri
== NULL
|| (!lp
->ll_empty2
&& lp
->ll_n2
== lp
->ll_n1
))
2821 if (lp
->ll_li
->li_next
== NULL
)
2823 /* Need to add an empty item. */
2824 if (list_append_number(lp
->ll_list
, 0) == FAIL
)
2830 lp
->ll_li
= lp
->ll_li
->li_next
;
2834 EMSG(_("E710: List value has more items than target"));
2835 else if (lp
->ll_empty2
2836 ? (lp
->ll_li
!= NULL
&& lp
->ll_li
->li_next
!= NULL
)
2837 : lp
->ll_n1
!= lp
->ll_n2
)
2838 EMSG(_("E711: List value has not enough items"));
2843 * Assign to a List or Dictionary item.
2845 if (lp
->ll_newkey
!= NULL
)
2847 if (op
!= NULL
&& *op
!= '=')
2849 EMSG2(_(e_letwrong
), op
);
2853 /* Need to add an item to the Dictionary. */
2854 di
= dictitem_alloc(lp
->ll_newkey
);
2857 if (dict_add(lp
->ll_tv
->vval
.v_dict
, di
) == FAIL
)
2862 lp
->ll_tv
= &di
->di_tv
;
2864 else if (op
!= NULL
&& *op
!= '=')
2866 tv_op(lp
->ll_tv
, rettv
, op
);
2870 clear_tv(lp
->ll_tv
);
2873 * Assign the value to the variable or list item.
2876 copy_tv(rettv
, lp
->ll_tv
);
2879 *lp
->ll_tv
= *rettv
;
2880 lp
->ll_tv
->v_lock
= 0;
2887 * Handle "tv1 += tv2", "tv1 -= tv2" and "tv1 .= tv2"
2888 * Returns OK or FAIL.
2897 char_u numbuf
[NUMBUFLEN
];
2900 /* Can't do anything with a Funcref or a Dict on the right. */
2901 if (tv2
->v_type
!= VAR_FUNC
&& tv2
->v_type
!= VAR_DICT
)
2903 switch (tv1
->v_type
)
2910 if (*op
!= '+' || tv2
->v_type
!= VAR_LIST
)
2913 if (tv1
->vval
.v_list
!= NULL
&& tv2
->vval
.v_list
!= NULL
)
2914 list_extend(tv1
->vval
.v_list
, tv2
->vval
.v_list
, NULL
);
2919 if (tv2
->v_type
== VAR_LIST
)
2921 if (*op
== '+' || *op
== '-')
2923 /* nr += nr or nr -= nr*/
2924 n
= get_tv_number(tv1
);
2926 if (tv2
->v_type
== VAR_FLOAT
)
2931 f
+= tv2
->vval
.v_float
;
2933 f
-= tv2
->vval
.v_float
;
2935 tv1
->v_type
= VAR_FLOAT
;
2936 tv1
->vval
.v_float
= f
;
2942 n
+= get_tv_number(tv2
);
2944 n
-= get_tv_number(tv2
);
2946 tv1
->v_type
= VAR_NUMBER
;
2947 tv1
->vval
.v_number
= n
;
2952 if (tv2
->v_type
== VAR_FLOAT
)
2956 s
= get_tv_string(tv1
);
2957 s
= concat_str(s
, get_tv_string_buf(tv2
, numbuf
));
2959 tv1
->v_type
= VAR_STRING
;
2960 tv1
->vval
.v_string
= s
;
2969 if (*op
== '.' || (tv2
->v_type
!= VAR_FLOAT
2970 && tv2
->v_type
!= VAR_NUMBER
2971 && tv2
->v_type
!= VAR_STRING
))
2973 if (tv2
->v_type
== VAR_FLOAT
)
2974 f
= tv2
->vval
.v_float
;
2976 f
= get_tv_number(tv2
);
2978 tv1
->vval
.v_float
+= f
;
2980 tv1
->vval
.v_float
-= f
;
2987 EMSG2(_(e_letwrong
), op
);
2992 * Add a watcher to a list.
2995 list_add_watch(l
, lw
)
2999 lw
->lw_next
= l
->lv_watch
;
3004 * Remove a watcher from a list.
3005 * No warning when it isn't found...
3008 list_rem_watch(l
, lwrem
)
3012 listwatch_T
*lw
, **lwp
;
3015 for (lw
= l
->lv_watch
; lw
!= NULL
; lw
= lw
->lw_next
)
3027 * Just before removing an item from a list: advance watchers to the next
3031 list_fix_watch(l
, item
)
3037 for (lw
= l
->lv_watch
; lw
!= NULL
; lw
= lw
->lw_next
)
3038 if (lw
->lw_item
== item
)
3039 lw
->lw_item
= item
->li_next
;
3043 * Evaluate the expression used in a ":for var in expr" command.
3044 * "arg" points to "var".
3045 * Set "*errp" to TRUE for an error, FALSE otherwise;
3046 * Return a pointer that holds the info. Null when there is an error.
3049 eval_for_line(arg
, errp
, nextcmdp
, skip
)
3060 *errp
= TRUE
; /* default: there is an error */
3062 fi
= (forinfo_T
*)alloc_clear(sizeof(forinfo_T
));
3066 expr
= skip_var_list(arg
, &fi
->fi_varcount
, &fi
->fi_semicolon
);
3070 expr
= skipwhite(expr
);
3071 if (expr
[0] != 'i' || expr
[1] != 'n' || !vim_iswhite(expr
[2]))
3073 EMSG(_("E690: Missing \"in\" after :for"));
3079 if (eval0(skipwhite(expr
+ 2), &tv
, nextcmdp
, !skip
) == OK
)
3085 if (tv
.v_type
!= VAR_LIST
|| l
== NULL
)
3092 /* No need to increment the refcount, it's already set for the
3093 * list being used in "tv". */
3095 list_add_watch(l
, &fi
->fi_lw
);
3096 fi
->fi_lw
.lw_item
= l
->lv_first
;
3107 * Use the first item in a ":for" list. Advance to the next.
3108 * Assign the values to the variable (list). "arg" points to the first one.
3109 * Return TRUE when a valid item was found, FALSE when at end of list or
3113 next_for_item(fi_void
, arg
)
3117 forinfo_T
*fi
= (forinfo_T
*)fi_void
;
3121 item
= fi
->fi_lw
.lw_item
;
3126 fi
->fi_lw
.lw_item
= item
->li_next
;
3127 result
= (ex_let_vars(arg
, &item
->li_tv
, TRUE
,
3128 fi
->fi_semicolon
, fi
->fi_varcount
, NULL
) == OK
);
3134 * Free the structure used to store info used by ":for".
3137 free_for_info(fi_void
)
3140 forinfo_T
*fi
= (forinfo_T
*)fi_void
;
3142 if (fi
!= NULL
&& fi
->fi_list
!= NULL
)
3144 list_rem_watch(fi
->fi_list
, &fi
->fi_lw
);
3145 list_unref(fi
->fi_list
);
3150 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
3153 set_context_for_expression(xp
, arg
, cmdidx
)
3162 if (cmdidx
== CMD_let
)
3164 xp
->xp_context
= EXPAND_USER_VARS
;
3165 if (vim_strpbrk(arg
, (char_u
*)"\"'+-*/%.=!?~|&$([<>,#") == NULL
)
3167 /* ":let var1 var2 ...": find last space. */
3168 for (p
= arg
+ STRLEN(arg
); p
>= arg
; )
3171 mb_ptr_back(arg
, p
);
3172 if (vim_iswhite(*p
))
3179 xp
->xp_context
= cmdidx
== CMD_call
? EXPAND_FUNCTIONS
3180 : EXPAND_EXPRESSION
;
3181 while ((xp
->xp_pattern
= vim_strpbrk(arg
,
3182 (char_u
*)"\"'+-*/%.=!?~|&$([<>,#")) != NULL
)
3184 c
= *xp
->xp_pattern
;
3187 c
= xp
->xp_pattern
[1];
3191 xp
->xp_context
= cmdidx
!= CMD_let
|| got_eq
3192 ? EXPAND_EXPRESSION
: EXPAND_NOTHING
;
3196 xp
->xp_context
= EXPAND_SETTINGS
;
3197 if ((c
== 'l' || c
== 'g') && xp
->xp_pattern
[2] == ':')
3198 xp
->xp_pattern
+= 2;
3204 /* environment variable */
3205 xp
->xp_context
= EXPAND_ENV_VARS
;
3210 xp
->xp_context
= EXPAND_EXPRESSION
;
3213 && xp
->xp_context
== EXPAND_FUNCTIONS
3214 && vim_strchr(xp
->xp_pattern
, '(') == NULL
)
3216 /* Function name can start with "<SNR>" */
3219 else if (cmdidx
!= CMD_let
|| got_eq
)
3221 if (c
== '"') /* string */
3223 while ((c
= *++xp
->xp_pattern
) != NUL
&& c
!= '"')
3224 if (c
== '\\' && xp
->xp_pattern
[1] != NUL
)
3226 xp
->xp_context
= EXPAND_NOTHING
;
3228 else if (c
== '\'') /* literal string */
3230 /* Trick: '' is like stopping and starting a literal string. */
3231 while ((c
= *++xp
->xp_pattern
) != NUL
&& c
!= '\'')
3233 xp
->xp_context
= EXPAND_NOTHING
;
3237 if (xp
->xp_pattern
[1] == '|')
3240 xp
->xp_context
= EXPAND_EXPRESSION
;
3243 xp
->xp_context
= EXPAND_COMMANDS
;
3246 xp
->xp_context
= EXPAND_EXPRESSION
;
3249 /* Doesn't look like something valid, expand as an expression
3251 xp
->xp_context
= EXPAND_EXPRESSION
;
3252 arg
= xp
->xp_pattern
;
3254 while ((c
= *++arg
) != NUL
&& (c
== ' ' || c
== '\t'))
3257 xp
->xp_pattern
= arg
;
3260 #endif /* FEAT_CMDL_COMPL */
3263 * ":1,25call func(arg1, arg2)" function call.
3269 char_u
*arg
= eap
->arg
;
3280 tofree
= trans_function_name(&arg
, eap
->skip
, TFN_INT
, &fudi
);
3281 if (fudi
.fd_newkey
!= NULL
)
3283 /* Still need to give an error message for missing key. */
3284 EMSG2(_(e_dictkey
), fudi
.fd_newkey
);
3285 vim_free(fudi
.fd_newkey
);
3290 /* Increase refcount on dictionary, it could get deleted when evaluating
3292 if (fudi
.fd_dict
!= NULL
)
3293 ++fudi
.fd_dict
->dv_refcount
;
3295 /* If it is the name of a variable of type VAR_FUNC use its contents. */
3296 len
= (int)STRLEN(tofree
);
3297 name
= deref_func_name(tofree
, &len
);
3299 /* Skip white space to allow ":call func ()". Not good, but required for
3300 * backward compatibility. */
3301 startarg
= skipwhite(arg
);
3302 rettv
.v_type
= VAR_UNKNOWN
; /* clear_tv() uses this */
3304 if (*startarg
!= '(')
3306 EMSG2(_("E107: Missing parentheses: %s"), eap
->arg
);
3311 * When skipping, evaluate the function once, to find the end of the
3313 * When the function takes a range, this is discovered after the first
3314 * call, and the loop is broken.
3319 lnum
= eap
->line2
; /* do it once, also with an invalid range */
3323 for ( ; lnum
<= eap
->line2
; ++lnum
)
3325 if (!eap
->skip
&& eap
->addr_count
> 0)
3327 curwin
->w_cursor
.lnum
= lnum
;
3328 curwin
->w_cursor
.col
= 0;
3331 if (get_func_tv(name
, (int)STRLEN(name
), &rettv
, &arg
,
3332 eap
->line1
, eap
->line2
, &doesrange
,
3333 !eap
->skip
, fudi
.fd_dict
) == FAIL
)
3339 /* Handle a function returning a Funcref, Dictionary or List. */
3340 if (handle_subscript(&arg
, &rettv
, !eap
->skip
, TRUE
) == FAIL
)
3347 if (doesrange
|| eap
->skip
)
3350 /* Stop when immediately aborting on error, or when an interrupt
3351 * occurred or an exception was thrown but not caught.
3352 * get_func_tv() returned OK, so that the check for trailing
3353 * characters below is executed. */
3362 /* Check for trailing illegal characters and a following command. */
3363 if (!ends_excmd(*arg
))
3366 EMSG(_(e_trailing
));
3369 eap
->nextcmd
= check_nextcmd(arg
);
3373 dict_unref(fudi
.fd_dict
);
3378 * ":unlet[!] var1 ... " command.
3384 ex_unletlock(eap
, eap
->arg
, 0);
3388 * ":lockvar" and ":unlockvar" commands
3394 char_u
*arg
= eap
->arg
;
3399 else if (vim_isdigit(*arg
))
3401 deep
= getdigits(&arg
);
3402 arg
= skipwhite(arg
);
3405 ex_unletlock(eap
, arg
, deep
);
3409 * ":unlet", ":lockvar" and ":unlockvar" are quite similar.
3412 ex_unletlock(eap
, argstart
, deep
)
3417 char_u
*arg
= argstart
;
3424 /* Parse the name and find the end. */
3425 name_end
= get_lval(arg
, NULL
, &lv
, TRUE
, eap
->skip
|| error
, FALSE
,
3427 if (lv
.ll_name
== NULL
)
3428 error
= TRUE
; /* error but continue parsing */
3429 if (name_end
== NULL
|| (!vim_iswhite(*name_end
)
3430 && !ends_excmd(*name_end
)))
3432 if (name_end
!= NULL
)
3435 EMSG(_(e_trailing
));
3437 if (!(eap
->skip
|| error
))
3442 if (!error
&& !eap
->skip
)
3444 if (eap
->cmdidx
== CMD_unlet
)
3446 if (do_unlet_var(&lv
, name_end
, eap
->forceit
) == FAIL
)
3451 if (do_lock_var(&lv
, name_end
, deep
,
3452 eap
->cmdidx
== CMD_lockvar
) == FAIL
)
3460 arg
= skipwhite(name_end
);
3461 } while (!ends_excmd(*arg
));
3463 eap
->nextcmd
= check_nextcmd(arg
);
3467 do_unlet_var(lp
, name_end
, forceit
)
3475 if (lp
->ll_tv
== NULL
)
3480 /* Normal name or expanded name. */
3481 if (check_changedtick(lp
->ll_name
))
3483 else if (do_unlet(lp
->ll_name
, forceit
) == FAIL
)
3487 else if (tv_check_lock(lp
->ll_tv
->v_lock
, lp
->ll_name
))
3489 else if (lp
->ll_range
)
3493 /* Delete a range of List items. */
3494 while (lp
->ll_li
!= NULL
&& (lp
->ll_empty2
|| lp
->ll_n2
>= lp
->ll_n1
))
3496 li
= lp
->ll_li
->li_next
;
3497 listitem_remove(lp
->ll_list
, lp
->ll_li
);
3504 if (lp
->ll_list
!= NULL
)
3505 /* unlet a List item. */
3506 listitem_remove(lp
->ll_list
, lp
->ll_li
);
3508 /* unlet a Dictionary item. */
3509 dictitem_remove(lp
->ll_dict
, lp
->ll_di
);
3516 * "unlet" a variable. Return OK if it existed, FAIL if not.
3517 * When "forceit" is TRUE don't complain if the variable doesn't exist.
3520 do_unlet(name
, forceit
)
3529 ht
= find_var_ht(name
, &varname
);
3530 if (ht
!= NULL
&& *varname
!= NUL
)
3532 hi
= hash_find(ht
, varname
);
3533 if (!HASHITEM_EMPTY(hi
))
3536 if (var_check_fixed(di
->di_flags
, name
)
3537 || var_check_ro(di
->di_flags
, name
))
3545 EMSG2(_("E108: No such variable: \"%s\""), name
);
3550 * Lock or unlock variable indicated by "lp".
3551 * "deep" is the levels to go (-1 for unlimited);
3552 * "lock" is TRUE for ":lockvar", FALSE for ":unlockvar".
3555 do_lock_var(lp
, name_end
, deep
, lock
)
3565 if (deep
== 0) /* nothing to do */
3568 if (lp
->ll_tv
== NULL
)
3573 /* Normal name or expanded name. */
3574 if (check_changedtick(lp
->ll_name
))
3578 di
= find_var(lp
->ll_name
, NULL
);
3584 di
->di_flags
|= DI_FLAGS_LOCK
;
3586 di
->di_flags
&= ~DI_FLAGS_LOCK
;
3587 item_lock(&di
->di_tv
, deep
, lock
);
3592 else if (lp
->ll_range
)
3594 listitem_T
*li
= lp
->ll_li
;
3596 /* (un)lock a range of List items. */
3597 while (li
!= NULL
&& (lp
->ll_empty2
|| lp
->ll_n2
>= lp
->ll_n1
))
3599 item_lock(&li
->li_tv
, deep
, lock
);
3604 else if (lp
->ll_list
!= NULL
)
3605 /* (un)lock a List item. */
3606 item_lock(&lp
->ll_li
->li_tv
, deep
, lock
);
3608 /* un(lock) a Dictionary item. */
3609 item_lock(&lp
->ll_di
->di_tv
, deep
, lock
);
3615 * Lock or unlock an item. "deep" is nr of levels to go.
3618 item_lock(tv
, deep
, lock
)
3623 static int recurse
= 0;
3630 if (recurse
>= DICT_MAXNEST
)
3632 EMSG(_("E743: variable nested too deep for (un)lock"));
3639 /* lock/unlock the item itself */
3641 tv
->v_lock
|= VAR_LOCKED
;
3643 tv
->v_lock
&= ~VAR_LOCKED
;
3648 if ((l
= tv
->vval
.v_list
) != NULL
)
3651 l
->lv_lock
|= VAR_LOCKED
;
3653 l
->lv_lock
&= ~VAR_LOCKED
;
3654 if (deep
< 0 || deep
> 1)
3655 /* recursive: lock/unlock the items the List contains */
3656 for (li
= l
->lv_first
; li
!= NULL
; li
= li
->li_next
)
3657 item_lock(&li
->li_tv
, deep
- 1, lock
);
3661 if ((d
= tv
->vval
.v_dict
) != NULL
)
3664 d
->dv_lock
|= VAR_LOCKED
;
3666 d
->dv_lock
&= ~VAR_LOCKED
;
3667 if (deep
< 0 || deep
> 1)
3669 /* recursive: lock/unlock the items the List contains */
3670 todo
= (int)d
->dv_hashtab
.ht_used
;
3671 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
3673 if (!HASHITEM_EMPTY(hi
))
3676 item_lock(&HI2DI(hi
)->di_tv
, deep
- 1, lock
);
3686 * Return TRUE if typeval "tv" is locked: Either that value is locked itself
3687 * or it refers to a List or Dictionary that is locked.
3693 return (tv
->v_lock
& VAR_LOCKED
)
3694 || (tv
->v_type
== VAR_LIST
3695 && tv
->vval
.v_list
!= NULL
3696 && (tv
->vval
.v_list
->lv_lock
& VAR_LOCKED
))
3697 || (tv
->v_type
== VAR_DICT
3698 && tv
->vval
.v_dict
!= NULL
3699 && (tv
->vval
.v_dict
->dv_lock
& VAR_LOCKED
));
3702 #if (defined(FEAT_MENU) && defined(FEAT_MULTI_LANG)) || defined(PROTO)
3704 * Delete all "menutrans_" variables.
3707 del_menutrans_vars()
3712 hash_lock(&globvarht
);
3713 todo
= (int)globvarht
.ht_used
;
3714 for (hi
= globvarht
.ht_array
; todo
> 0 && !got_int
; ++hi
)
3716 if (!HASHITEM_EMPTY(hi
))
3719 if (STRNCMP(HI2DI(hi
)->di_key
, "menutrans_", 10) == 0)
3720 delete_var(&globvarht
, hi
);
3723 hash_unlock(&globvarht
);
3727 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
3730 * Local string buffer for the next two functions to store a variable name
3731 * with its prefix. Allocated in cat_prefix_varname(), freed later in
3732 * get_user_var_name().
3735 static char_u
*cat_prefix_varname
__ARGS((int prefix
, char_u
*name
));
3737 static char_u
*varnamebuf
= NULL
;
3738 static int varnamebuflen
= 0;
3741 * Function to concatenate a prefix and a variable name.
3744 cat_prefix_varname(prefix
, name
)
3750 len
= (int)STRLEN(name
) + 3;
3751 if (len
> varnamebuflen
)
3753 vim_free(varnamebuf
);
3754 len
+= 10; /* some additional space */
3755 varnamebuf
= alloc(len
);
3756 if (varnamebuf
== NULL
)
3761 varnamebuflen
= len
;
3763 *varnamebuf
= prefix
;
3764 varnamebuf
[1] = ':';
3765 STRCPY(varnamebuf
+ 2, name
);
3770 * Function given to ExpandGeneric() to obtain the list of user defined
3771 * (global/buffer/window/built-in) variable names.
3775 get_user_var_name(xp
, idx
)
3779 static long_u gdone
;
3780 static long_u bdone
;
3781 static long_u wdone
;
3783 static long_u tdone
;
3786 static hashitem_T
*hi
;
3791 gdone
= bdone
= wdone
= vidx
= 0;
3797 /* Global variables */
3798 if (gdone
< globvarht
.ht_used
)
3801 hi
= globvarht
.ht_array
;
3804 while (HASHITEM_EMPTY(hi
))
3806 if (STRNCMP("g:", xp
->xp_pattern
, 2) == 0)
3807 return cat_prefix_varname('g', hi
->hi_key
);
3812 ht
= &curbuf
->b_vars
.dv_hashtab
;
3813 if (bdone
< ht
->ht_used
)
3819 while (HASHITEM_EMPTY(hi
))
3821 return cat_prefix_varname('b', hi
->hi_key
);
3823 if (bdone
== ht
->ht_used
)
3826 return (char_u
*)"b:changedtick";
3830 ht
= &curwin
->w_vars
.dv_hashtab
;
3831 if (wdone
< ht
->ht_used
)
3837 while (HASHITEM_EMPTY(hi
))
3839 return cat_prefix_varname('w', hi
->hi_key
);
3844 ht
= &curtab
->tp_vars
.dv_hashtab
;
3845 if (tdone
< ht
->ht_used
)
3851 while (HASHITEM_EMPTY(hi
))
3853 return cat_prefix_varname('t', hi
->hi_key
);
3859 return cat_prefix_varname('v', (char_u
*)vimvars
[vidx
++].vv_name
);
3861 vim_free(varnamebuf
);
3867 #endif /* FEAT_CMDL_COMPL */
3870 * types for expressions.
3875 , TYPE_EQUAL
/* == */
3876 , TYPE_NEQUAL
/* != */
3877 , TYPE_GREATER
/* > */
3878 , TYPE_GEQUAL
/* >= */
3879 , TYPE_SMALLER
/* < */
3880 , TYPE_SEQUAL
/* <= */
3881 , TYPE_MATCH
/* =~ */
3882 , TYPE_NOMATCH
/* !~ */
3886 * The "evaluate" argument: When FALSE, the argument is only parsed but not
3887 * executed. The function may return OK, but the rettv will be of type
3888 * VAR_UNKNOWN. The function still returns FAIL for a syntax error.
3892 * Handle zero level expression.
3893 * This calls eval1() and handles error message and nextcmd.
3894 * Put the result in "rettv" when returning OK and "evaluate" is TRUE.
3895 * Note: "rettv.v_lock" is not set.
3896 * Return OK or FAIL.
3899 eval0(arg
, rettv
, nextcmd
, evaluate
)
3909 ret
= eval1(&p
, rettv
, evaluate
);
3910 if (ret
== FAIL
|| !ends_excmd(*p
))
3915 * Report the invalid expression unless the expression evaluation has
3916 * been cancelled due to an aborting error, an interrupt, or an
3920 EMSG2(_(e_invexpr2
), arg
);
3923 if (nextcmd
!= NULL
)
3924 *nextcmd
= check_nextcmd(p
);
3930 * Handle top level expression:
3931 * expr1 ? expr0 : expr0
3933 * "arg" must point to the first non-white of the expression.
3934 * "arg" is advanced to the next non-white after the recognized expression.
3936 * Note: "rettv.v_lock" is not set.
3938 * Return OK or FAIL.
3941 eval1(arg
, rettv
, evaluate
)
3950 * Get the first variable.
3952 if (eval2(arg
, rettv
, evaluate
) == FAIL
)
3955 if ((*arg
)[0] == '?')
3962 if (get_tv_number_chk(rettv
, &error
) != 0)
3970 * Get the second variable.
3972 *arg
= skipwhite(*arg
+ 1);
3973 if (eval1(arg
, rettv
, evaluate
&& result
) == FAIL
) /* recursive! */
3977 * Check for the ":".
3979 if ((*arg
)[0] != ':')
3981 EMSG(_("E109: Missing ':' after '?'"));
3982 if (evaluate
&& result
)
3988 * Get the third variable.
3990 *arg
= skipwhite(*arg
+ 1);
3991 if (eval1(arg
, &var2
, evaluate
&& !result
) == FAIL
) /* recursive! */
3993 if (evaluate
&& result
)
3997 if (evaluate
&& !result
)
4005 * Handle first level expression:
4006 * expr2 || expr2 || expr2 logical OR
4008 * "arg" must point to the first non-white of the expression.
4009 * "arg" is advanced to the next non-white after the recognized expression.
4011 * Return OK or FAIL.
4014 eval2(arg
, rettv
, evaluate
)
4025 * Get the first variable.
4027 if (eval3(arg
, rettv
, evaluate
) == FAIL
)
4031 * Repeat until there is no following "||".
4035 while ((*arg
)[0] == '|' && (*arg
)[1] == '|')
4037 if (evaluate
&& first
)
4039 if (get_tv_number_chk(rettv
, &error
) != 0)
4048 * Get the second variable.
4050 *arg
= skipwhite(*arg
+ 2);
4051 if (eval3(arg
, &var2
, evaluate
&& !result
) == FAIL
)
4055 * Compute the result.
4057 if (evaluate
&& !result
)
4059 if (get_tv_number_chk(&var2
, &error
) != 0)
4067 rettv
->v_type
= VAR_NUMBER
;
4068 rettv
->vval
.v_number
= result
;
4076 * Handle second level expression:
4077 * expr3 && expr3 && expr3 logical AND
4079 * "arg" must point to the first non-white of the expression.
4080 * "arg" is advanced to the next non-white after the recognized expression.
4082 * Return OK or FAIL.
4085 eval3(arg
, rettv
, evaluate
)
4096 * Get the first variable.
4098 if (eval4(arg
, rettv
, evaluate
) == FAIL
)
4102 * Repeat until there is no following "&&".
4106 while ((*arg
)[0] == '&' && (*arg
)[1] == '&')
4108 if (evaluate
&& first
)
4110 if (get_tv_number_chk(rettv
, &error
) == 0)
4119 * Get the second variable.
4121 *arg
= skipwhite(*arg
+ 2);
4122 if (eval4(arg
, &var2
, evaluate
&& result
) == FAIL
)
4126 * Compute the result.
4128 if (evaluate
&& result
)
4130 if (get_tv_number_chk(&var2
, &error
) == 0)
4138 rettv
->v_type
= VAR_NUMBER
;
4139 rettv
->vval
.v_number
= result
;
4147 * Handle third level expression:
4159 * "arg" must point to the first non-white of the expression.
4160 * "arg" is advanced to the next non-white after the recognized expression.
4162 * Return OK or FAIL.
4165 eval4(arg
, rettv
, evaluate
)
4173 exptype_T type
= TYPE_UNKNOWN
;
4174 int type_is
= FALSE
; /* TRUE for "is" and "isnot" */
4178 char_u buf1
[NUMBUFLEN
], buf2
[NUMBUFLEN
];
4179 regmatch_T regmatch
;
4184 * Get the first variable.
4186 if (eval5(arg
, rettv
, evaluate
) == FAIL
)
4192 case '=': if (p
[1] == '=')
4194 else if (p
[1] == '~')
4197 case '!': if (p
[1] == '=')
4199 else if (p
[1] == '~')
4200 type
= TYPE_NOMATCH
;
4202 case '>': if (p
[1] != '=')
4204 type
= TYPE_GREATER
;
4210 case '<': if (p
[1] != '=')
4212 type
= TYPE_SMALLER
;
4218 case 'i': if (p
[1] == 's')
4220 if (p
[2] == 'n' && p
[3] == 'o' && p
[4] == 't')
4222 if (!vim_isIDc(p
[len
]))
4224 type
= len
== 2 ? TYPE_EQUAL
: TYPE_NEQUAL
;
4232 * If there is a comparative operator, use it.
4234 if (type
!= TYPE_UNKNOWN
)
4236 /* extra question mark appended: ignore case */
4242 /* extra '#' appended: match case */
4243 else if (p
[len
] == '#')
4248 /* nothing appended: use 'ignorecase' */
4253 * Get the second variable.
4255 *arg
= skipwhite(p
+ len
);
4256 if (eval5(arg
, &var2
, evaluate
) == FAIL
)
4264 if (type_is
&& rettv
->v_type
!= var2
.v_type
)
4266 /* For "is" a different type always means FALSE, for "notis"
4268 n1
= (type
== TYPE_NEQUAL
);
4270 else if (rettv
->v_type
== VAR_LIST
|| var2
.v_type
== VAR_LIST
)
4274 n1
= (rettv
->v_type
== var2
.v_type
4275 && rettv
->vval
.v_list
== var2
.vval
.v_list
);
4276 if (type
== TYPE_NEQUAL
)
4279 else if (rettv
->v_type
!= var2
.v_type
4280 || (type
!= TYPE_EQUAL
&& type
!= TYPE_NEQUAL
))
4282 if (rettv
->v_type
!= var2
.v_type
)
4283 EMSG(_("E691: Can only compare List with List"));
4285 EMSG(_("E692: Invalid operation for Lists"));
4292 /* Compare two Lists for being equal or unequal. */
4293 n1
= list_equal(rettv
->vval
.v_list
, var2
.vval
.v_list
, ic
);
4294 if (type
== TYPE_NEQUAL
)
4299 else if (rettv
->v_type
== VAR_DICT
|| var2
.v_type
== VAR_DICT
)
4303 n1
= (rettv
->v_type
== var2
.v_type
4304 && rettv
->vval
.v_dict
== var2
.vval
.v_dict
);
4305 if (type
== TYPE_NEQUAL
)
4308 else if (rettv
->v_type
!= var2
.v_type
4309 || (type
!= TYPE_EQUAL
&& type
!= TYPE_NEQUAL
))
4311 if (rettv
->v_type
!= var2
.v_type
)
4312 EMSG(_("E735: Can only compare Dictionary with Dictionary"));
4314 EMSG(_("E736: Invalid operation for Dictionary"));
4321 /* Compare two Dictionaries for being equal or unequal. */
4322 n1
= dict_equal(rettv
->vval
.v_dict
, var2
.vval
.v_dict
, ic
);
4323 if (type
== TYPE_NEQUAL
)
4328 else if (rettv
->v_type
== VAR_FUNC
|| var2
.v_type
== VAR_FUNC
)
4330 if (rettv
->v_type
!= var2
.v_type
4331 || (type
!= TYPE_EQUAL
&& type
!= TYPE_NEQUAL
))
4333 if (rettv
->v_type
!= var2
.v_type
)
4334 EMSG(_("E693: Can only compare Funcref with Funcref"));
4336 EMSG(_("E694: Invalid operation for Funcrefs"));
4343 /* Compare two Funcrefs for being equal or unequal. */
4344 if (rettv
->vval
.v_string
== NULL
4345 || var2
.vval
.v_string
== NULL
)
4348 n1
= STRCMP(rettv
->vval
.v_string
,
4349 var2
.vval
.v_string
) == 0;
4350 if (type
== TYPE_NEQUAL
)
4357 * If one of the two variables is a float, compare as a float.
4358 * When using "=~" or "!~", always compare as string.
4360 else if ((rettv
->v_type
== VAR_FLOAT
|| var2
.v_type
== VAR_FLOAT
)
4361 && type
!= TYPE_MATCH
&& type
!= TYPE_NOMATCH
)
4365 if (rettv
->v_type
== VAR_FLOAT
)
4366 f1
= rettv
->vval
.v_float
;
4368 f1
= get_tv_number(rettv
);
4369 if (var2
.v_type
== VAR_FLOAT
)
4370 f2
= var2
.vval
.v_float
;
4372 f2
= get_tv_number(&var2
);
4376 case TYPE_EQUAL
: n1
= (f1
== f2
); break;
4377 case TYPE_NEQUAL
: n1
= (f1
!= f2
); break;
4378 case TYPE_GREATER
: n1
= (f1
> f2
); break;
4379 case TYPE_GEQUAL
: n1
= (f1
>= f2
); break;
4380 case TYPE_SMALLER
: n1
= (f1
< f2
); break;
4381 case TYPE_SEQUAL
: n1
= (f1
<= f2
); break;
4384 case TYPE_NOMATCH
: break; /* avoid gcc warning */
4390 * If one of the two variables is a number, compare as a number.
4391 * When using "=~" or "!~", always compare as string.
4393 else if ((rettv
->v_type
== VAR_NUMBER
|| var2
.v_type
== VAR_NUMBER
)
4394 && type
!= TYPE_MATCH
&& type
!= TYPE_NOMATCH
)
4396 n1
= get_tv_number(rettv
);
4397 n2
= get_tv_number(&var2
);
4400 case TYPE_EQUAL
: n1
= (n1
== n2
); break;
4401 case TYPE_NEQUAL
: n1
= (n1
!= n2
); break;
4402 case TYPE_GREATER
: n1
= (n1
> n2
); break;
4403 case TYPE_GEQUAL
: n1
= (n1
>= n2
); break;
4404 case TYPE_SMALLER
: n1
= (n1
< n2
); break;
4405 case TYPE_SEQUAL
: n1
= (n1
<= n2
); break;
4408 case TYPE_NOMATCH
: break; /* avoid gcc warning */
4413 s1
= get_tv_string_buf(rettv
, buf1
);
4414 s2
= get_tv_string_buf(&var2
, buf2
);
4415 if (type
!= TYPE_MATCH
&& type
!= TYPE_NOMATCH
)
4416 i
= ic
? MB_STRICMP(s1
, s2
) : STRCMP(s1
, s2
);
4422 case TYPE_EQUAL
: n1
= (i
== 0); break;
4423 case TYPE_NEQUAL
: n1
= (i
!= 0); break;
4424 case TYPE_GREATER
: n1
= (i
> 0); break;
4425 case TYPE_GEQUAL
: n1
= (i
>= 0); break;
4426 case TYPE_SMALLER
: n1
= (i
< 0); break;
4427 case TYPE_SEQUAL
: n1
= (i
<= 0); break;
4431 /* avoid 'l' flag in 'cpoptions' */
4433 p_cpo
= (char_u
*)"";
4434 regmatch
.regprog
= vim_regcomp(s2
,
4435 RE_MAGIC
+ RE_STRING
);
4436 regmatch
.rm_ic
= ic
;
4437 if (regmatch
.regprog
!= NULL
)
4439 n1
= vim_regexec_nl(®match
, s1
, (colnr_T
)0);
4440 vim_free(regmatch
.regprog
);
4441 if (type
== TYPE_NOMATCH
)
4447 case TYPE_UNKNOWN
: break; /* avoid gcc warning */
4452 rettv
->v_type
= VAR_NUMBER
;
4453 rettv
->vval
.v_number
= n1
;
4461 * Handle fourth level expression:
4463 * - number subtraction
4464 * . string concatenation
4466 * "arg" must point to the first non-white of the expression.
4467 * "arg" is advanced to the next non-white after the recognized expression.
4469 * Return OK or FAIL.
4472 eval5(arg
, rettv
, evaluate
)
4482 float_T f1
= 0, f2
= 0;
4485 char_u buf1
[NUMBUFLEN
], buf2
[NUMBUFLEN
];
4489 * Get the first variable.
4491 if (eval6(arg
, rettv
, evaluate
, FALSE
) == FAIL
)
4495 * Repeat computing, until no '+', '-' or '.' is following.
4500 if (op
!= '+' && op
!= '-' && op
!= '.')
4503 if ((op
!= '+' || rettv
->v_type
!= VAR_LIST
)
4505 && (op
== '.' || rettv
->v_type
!= VAR_FLOAT
)
4509 /* For "list + ...", an illegal use of the first operand as
4510 * a number cannot be determined before evaluating the 2nd
4511 * operand: if this is also a list, all is ok.
4512 * For "something . ...", "something - ..." or "non-list + ...",
4513 * we know that the first operand needs to be a string or number
4514 * without evaluating the 2nd operand. So check before to avoid
4515 * side effects after an error. */
4516 if (evaluate
&& get_tv_string_chk(rettv
) == NULL
)
4524 * Get the second variable.
4526 *arg
= skipwhite(*arg
+ 1);
4527 if (eval6(arg
, &var2
, evaluate
, op
== '.') == FAIL
)
4536 * Compute the result.
4540 s1
= get_tv_string_buf(rettv
, buf1
); /* already checked */
4541 s2
= get_tv_string_buf_chk(&var2
, buf2
);
4542 if (s2
== NULL
) /* type error ? */
4548 p
= concat_str(s1
, s2
);
4550 rettv
->v_type
= VAR_STRING
;
4551 rettv
->vval
.v_string
= p
;
4553 else if (op
== '+' && rettv
->v_type
== VAR_LIST
4554 && var2
.v_type
== VAR_LIST
)
4556 /* concatenate Lists */
4557 if (list_concat(rettv
->vval
.v_list
, var2
.vval
.v_list
,
4572 if (rettv
->v_type
== VAR_FLOAT
)
4574 f1
= rettv
->vval
.v_float
;
4580 n1
= get_tv_number_chk(rettv
, &error
);
4583 /* This can only happen for "list + non-list". For
4584 * "non-list + ..." or "something - ...", we returned
4585 * before evaluating the 2nd operand. */
4590 if (var2
.v_type
== VAR_FLOAT
)
4595 if (var2
.v_type
== VAR_FLOAT
)
4597 f2
= var2
.vval
.v_float
;
4603 n2
= get_tv_number_chk(&var2
, &error
);
4611 if (rettv
->v_type
== VAR_FLOAT
)
4618 /* If there is a float on either side the result is a float. */
4619 if (rettv
->v_type
== VAR_FLOAT
|| var2
.v_type
== VAR_FLOAT
)
4625 rettv
->v_type
= VAR_FLOAT
;
4626 rettv
->vval
.v_float
= f1
;
4635 rettv
->v_type
= VAR_NUMBER
;
4636 rettv
->vval
.v_number
= n1
;
4646 * Handle fifth level expression:
4647 * * number multiplication
4651 * "arg" must point to the first non-white of the expression.
4652 * "arg" is advanced to the next non-white after the recognized expression.
4654 * Return OK or FAIL.
4657 eval6(arg
, rettv
, evaluate
, want_string
)
4661 int want_string
; /* after "." operator */
4667 int use_float
= FALSE
;
4673 * Get the first variable.
4675 if (eval7(arg
, rettv
, evaluate
, want_string
) == FAIL
)
4679 * Repeat computing, until no '*', '/' or '%' is following.
4684 if (op
!= '*' && op
!= '/' && op
!= '%')
4690 if (rettv
->v_type
== VAR_FLOAT
)
4692 f1
= rettv
->vval
.v_float
;
4698 n1
= get_tv_number_chk(rettv
, &error
);
4707 * Get the second variable.
4709 *arg
= skipwhite(*arg
+ 1);
4710 if (eval7(arg
, &var2
, evaluate
, FALSE
) == FAIL
)
4716 if (var2
.v_type
== VAR_FLOAT
)
4723 f2
= var2
.vval
.v_float
;
4729 n2
= get_tv_number_chk(&var2
, &error
);
4740 * Compute the result.
4741 * When either side is a float the result is a float.
4750 /* We rely on the floating point library to handle divide
4751 * by zero to result in "inf" and not a crash. */
4756 EMSG(_("E804: Cannot use '%' with Float"));
4759 rettv
->v_type
= VAR_FLOAT
;
4760 rettv
->vval
.v_float
= f1
;
4769 if (n2
== 0) /* give an error message? */
4772 n1
= -0x7fffffffL
- 1L; /* similar to NaN */
4783 if (n2
== 0) /* give an error message? */
4788 rettv
->v_type
= VAR_NUMBER
;
4789 rettv
->vval
.v_number
= n1
;
4798 * Handle sixth level expression:
4799 * number number constant
4800 * "string" string constant
4801 * 'string' literal string constant
4802 * &option-name option value
4803 * @r register contents
4804 * identifier variable value
4805 * function() function call
4806 * $VAR environment variable
4807 * (expression) nested expression
4809 * {key: val, key: val} Dictionary
4812 * ! in front logical NOT
4813 * - in front unary minus
4814 * + in front unary plus (ignored)
4815 * trailing [] subscript in String or List
4816 * trailing .name entry in Dictionary
4818 * "arg" must point to the first non-white of the expression.
4819 * "arg" is advanced to the next non-white after the recognized expression.
4821 * Return OK or FAIL.
4824 eval7(arg
, rettv
, evaluate
, want_string
)
4828 int want_string
; /* after "." operator */
4833 char_u
*start_leader
, *end_leader
;
4838 * Initialise variable so that clear_tv() can't mistake this for a
4839 * string and free a string that isn't there.
4841 rettv
->v_type
= VAR_UNKNOWN
;
4844 * Skip '!' and '-' characters. They are handled later.
4846 start_leader
= *arg
;
4847 while (**arg
== '!' || **arg
== '-' || **arg
== '+')
4848 *arg
= skipwhite(*arg
+ 1);
4868 char_u
*p
= skipdigits(*arg
+ 1);
4869 int get_float
= FALSE
;
4871 /* We accept a float when the format matches
4872 * "[0-9]\+\.[0-9]\+\([eE][+-]\?[0-9]\+\)\?". This is very
4873 * strict to avoid backwards compatibility problems.
4874 * Don't look for a float after the "." operator, so that
4875 * ":let vers = 1.2.3" doesn't fail. */
4876 if (!want_string
&& p
[0] == '.' && vim_isdigit(p
[1]))
4879 p
= skipdigits(p
+ 2);
4880 if (*p
== 'e' || *p
== 'E')
4883 if (*p
== '-' || *p
== '+')
4885 if (!vim_isdigit(*p
))
4888 p
= skipdigits(p
+ 1);
4890 if (ASCII_ISALPHA(*p
) || *p
== '.')
4897 *arg
+= string2float(*arg
, &f
);
4900 rettv
->v_type
= VAR_FLOAT
;
4901 rettv
->vval
.v_float
= f
;
4907 vim_str2nr(*arg
, NULL
, &len
, TRUE
, TRUE
, &n
, NULL
);
4911 rettv
->v_type
= VAR_NUMBER
;
4912 rettv
->vval
.v_number
= n
;
4919 * String constant: "string".
4921 case '"': ret
= get_string_tv(arg
, rettv
, evaluate
);
4925 * Literal string constant: 'str''ing'.
4927 case '\'': ret
= get_lit_string_tv(arg
, rettv
, evaluate
);
4931 * List: [expr, expr]
4933 case '[': ret
= get_list_tv(arg
, rettv
, evaluate
);
4937 * Dictionary: {key: val, key: val}
4939 case '{': ret
= get_dict_tv(arg
, rettv
, evaluate
);
4943 * Option value: &name
4945 case '&': ret
= get_option_tv(arg
, rettv
, evaluate
);
4949 * Environment variable: $VAR.
4951 case '$': ret
= get_env_tv(arg
, rettv
, evaluate
);
4955 * Register contents: @r.
4960 rettv
->v_type
= VAR_STRING
;
4961 rettv
->vval
.v_string
= get_reg_contents(**arg
, TRUE
, TRUE
);
4968 * nested expression: (expression).
4970 case '(': *arg
= skipwhite(*arg
+ 1);
4971 ret
= eval1(arg
, rettv
, evaluate
); /* recursive! */
4976 EMSG(_("E110: Missing ')'"));
4982 default: ret
= NOTDONE
;
4989 * Must be a variable or function name.
4990 * Can also be a curly-braces kind of name: {expr}.
4993 len
= get_name_len(arg
, &alias
, evaluate
, TRUE
);
5001 if (**arg
== '(') /* recursive! */
5003 /* If "s" is the name of a variable of type VAR_FUNC
5004 * use its contents. */
5005 s
= deref_func_name(s
, &len
);
5007 /* Invoke the function. */
5008 ret
= get_func_tv(s
, len
, rettv
, arg
,
5009 curwin
->w_cursor
.lnum
, curwin
->w_cursor
.lnum
,
5010 &len
, evaluate
, NULL
);
5011 /* Stop the expression evaluation when immediately
5012 * aborting on error, or when an interrupt occurred or
5013 * an exception was thrown but not caught. */
5022 ret
= get_var_tv(s
, len
, rettv
, TRUE
);
5031 *arg
= skipwhite(*arg
);
5033 /* Handle following '[', '(' and '.' for expr[expr], expr.name,
5036 ret
= handle_subscript(arg
, rettv
, evaluate
, TRUE
);
5039 * Apply logical NOT and unary '-', from right to left, ignore '+'.
5041 if (ret
== OK
&& evaluate
&& end_leader
> start_leader
)
5048 if (rettv
->v_type
== VAR_FLOAT
)
5049 f
= rettv
->vval
.v_float
;
5052 val
= get_tv_number_chk(rettv
, &error
);
5060 while (end_leader
> start_leader
)
5063 if (*end_leader
== '!')
5066 if (rettv
->v_type
== VAR_FLOAT
)
5072 else if (*end_leader
== '-')
5075 if (rettv
->v_type
== VAR_FLOAT
)
5083 if (rettv
->v_type
== VAR_FLOAT
)
5086 rettv
->vval
.v_float
= f
;
5092 rettv
->v_type
= VAR_NUMBER
;
5093 rettv
->vval
.v_number
= val
;
5102 * Evaluate an "[expr]" or "[expr:expr]" index. Also "dict.key".
5103 * "*arg" points to the '[' or '.'.
5104 * Returns FAIL or OK. "*arg" is advanced to after the ']'.
5107 eval_index(arg
, rettv
, evaluate
, verbose
)
5111 int verbose
; /* give error messages */
5113 int empty1
= FALSE
, empty2
= FALSE
;
5114 typval_T var1
, var2
;
5121 if (rettv
->v_type
== VAR_FUNC
5123 || rettv
->v_type
== VAR_FLOAT
5128 EMSG(_("E695: Cannot index a Funcref"));
5138 for (len
= 0; ASCII_ISALNUM(key
[len
]) || key
[len
] == '_'; ++len
)
5142 *arg
= skipwhite(key
+ len
);
5149 * Get the (first) variable from inside the [].
5151 *arg
= skipwhite(*arg
+ 1);
5154 else if (eval1(arg
, &var1
, evaluate
) == FAIL
) /* recursive! */
5156 else if (evaluate
&& get_tv_string_chk(&var1
) == NULL
)
5158 /* not a number or string */
5164 * Get the second variable from inside the [:].
5169 *arg
= skipwhite(*arg
+ 1);
5172 else if (eval1(arg
, &var2
, evaluate
) == FAIL
) /* recursive! */
5178 else if (evaluate
&& get_tv_string_chk(&var2
) == NULL
)
5180 /* not a number or string */
5188 /* Check for the ']'. */
5192 EMSG(_(e_missbrac
));
5198 *arg
= skipwhite(*arg
+ 1); /* skip the ']' */
5204 if (!empty1
&& rettv
->v_type
!= VAR_DICT
)
5206 n1
= get_tv_number(&var1
);
5215 n2
= get_tv_number(&var2
);
5220 switch (rettv
->v_type
)
5224 s
= get_tv_string(rettv
);
5225 len
= (long)STRLEN(s
);
5228 /* The resulting variable is a substring. If the indexes
5229 * are out of range the result is empty. */
5240 if (n1
>= len
|| n2
< 0 || n1
> n2
)
5243 s
= vim_strnsave(s
+ n1
, (int)(n2
- n1
+ 1));
5247 /* The resulting variable is a string of a single
5248 * character. If the index is too big or negative the
5249 * result is empty. */
5250 if (n1
>= len
|| n1
< 0)
5253 s
= vim_strnsave(s
+ n1
, 1);
5256 rettv
->v_type
= VAR_STRING
;
5257 rettv
->vval
.v_string
= s
;
5261 len
= list_len(rettv
->vval
.v_list
);
5264 if (!empty1
&& (n1
< 0 || n1
>= len
))
5266 /* For a range we allow invalid values and return an empty
5267 * list. A list index out of range is an error. */
5271 EMSGN(_(e_listidx
), n1
);
5285 if (!empty2
&& (n2
< 0 || n2
+ 1 < n1
))
5290 for (item
= list_find(rettv
->vval
.v_list
, n1
);
5293 if (list_append_tv(l
, &item
->li_tv
) == FAIL
)
5298 item
= item
->li_next
;
5301 rettv
->v_type
= VAR_LIST
;
5302 rettv
->vval
.v_list
= l
;
5307 copy_tv(&list_find(rettv
->vval
.v_list
, n1
)->li_tv
, &var1
);
5317 EMSG(_(e_dictrange
));
5327 key
= get_tv_string(&var1
);
5331 EMSG(_(e_emptykey
));
5337 item
= dict_find(rettv
->vval
.v_dict
, key
, (int)len
);
5339 if (item
== NULL
&& verbose
)
5340 EMSG2(_(e_dictkey
), key
);
5346 copy_tv(&item
->di_tv
, &var1
);
5358 * Get an option value.
5359 * "arg" points to the '&' or '+' before the option name.
5360 * "arg" is advanced to character after the option name.
5361 * Return OK or FAIL.
5364 get_option_tv(arg
, rettv
, evaluate
)
5366 typval_T
*rettv
; /* when NULL, only check if option exists */
5374 int working
= (**arg
== '+'); /* has("+option") */
5379 * Isolate the option name and find its value.
5381 option_end
= find_option_end(arg
, &opt_flags
);
5382 if (option_end
== NULL
)
5385 EMSG2(_("E112: Option name missing: %s"), *arg
);
5397 opt_type
= get_option_value(*arg
, &numval
,
5398 rettv
== NULL
? NULL
: &stringval
, opt_flags
);
5400 if (opt_type
== -3) /* invalid name */
5403 EMSG2(_("E113: Unknown option: %s"), *arg
);
5406 else if (rettv
!= NULL
)
5408 if (opt_type
== -2) /* hidden string option */
5410 rettv
->v_type
= VAR_STRING
;
5411 rettv
->vval
.v_string
= NULL
;
5413 else if (opt_type
== -1) /* hidden number option */
5415 rettv
->v_type
= VAR_NUMBER
;
5416 rettv
->vval
.v_number
= 0;
5418 else if (opt_type
== 1) /* number option */
5420 rettv
->v_type
= VAR_NUMBER
;
5421 rettv
->vval
.v_number
= numval
;
5423 else /* string option */
5425 rettv
->v_type
= VAR_STRING
;
5426 rettv
->vval
.v_string
= stringval
;
5429 else if (working
&& (opt_type
== -2 || opt_type
== -1))
5432 *option_end
= c
; /* put back for error messages */
5439 * Allocate a variable for a string constant.
5440 * Return OK or FAIL.
5443 get_string_tv(arg
, rettv
, evaluate
)
5453 * Find the end of the string, skipping backslashed characters.
5455 for (p
= *arg
+ 1; *p
!= NUL
&& *p
!= '"'; mb_ptr_adv(p
))
5457 if (*p
== '\\' && p
[1] != NUL
)
5460 /* A "\<x>" form occupies at least 4 characters, and produces up
5461 * to 6 characters: reserve space for 2 extra */
5469 EMSG2(_("E114: Missing quote: %s"), *arg
);
5473 /* If only parsing, set *arg and return here */
5481 * Copy the string into allocated memory, handling backslashed
5484 name
= alloc((unsigned)(p
- *arg
+ extra
));
5487 rettv
->v_type
= VAR_STRING
;
5488 rettv
->vval
.v_string
= name
;
5490 for (p
= *arg
+ 1; *p
!= NUL
&& *p
!= '"'; )
5496 case 'b': *name
++ = BS
; ++p
; break;
5497 case 'e': *name
++ = ESC
; ++p
; break;
5498 case 'f': *name
++ = FF
; ++p
; break;
5499 case 'n': *name
++ = NL
; ++p
; break;
5500 case 'r': *name
++ = CAR
; ++p
; break;
5501 case 't': *name
++ = TAB
; ++p
; break;
5503 case 'X': /* hex: "\x1", "\x12" */
5505 case 'u': /* Unicode: "\u0023" */
5507 if (vim_isxdigit(p
[1]))
5510 int c
= toupper(*p
);
5517 while (--n
>= 0 && vim_isxdigit(p
[1]))
5520 nr
= (nr
<< 4) + hex2nr(*p
);
5524 /* For "\u" store the number according to
5527 name
+= (*mb_char2bytes
)(nr
, name
);
5534 /* octal: "\1", "\12", "\123" */
5542 case '7': *name
= *p
++ - '0';
5543 if (*p
>= '0' && *p
<= '7')
5545 *name
= (*name
<< 3) + *p
++ - '0';
5546 if (*p
>= '0' && *p
<= '7')
5547 *name
= (*name
<< 3) + *p
++ - '0';
5552 /* Special key, e.g.: "\<C-W>" */
5553 case '<': extra
= trans_special(&p
, name
, TRUE
);
5561 default: MB_COPY_CHAR(p
, name
);
5566 MB_COPY_CHAR(p
, name
);
5576 * Allocate a variable for a 'str''ing' constant.
5577 * Return OK or FAIL.
5580 get_lit_string_tv(arg
, rettv
, evaluate
)
5590 * Find the end of the string, skipping ''.
5592 for (p
= *arg
+ 1; *p
!= NUL
; mb_ptr_adv(p
))
5605 EMSG2(_("E115: Missing quote: %s"), *arg
);
5609 /* If only parsing return after setting "*arg" */
5617 * Copy the string into allocated memory, handling '' to ' reduction.
5619 str
= alloc((unsigned)((p
- *arg
) - reduce
));
5622 rettv
->v_type
= VAR_STRING
;
5623 rettv
->vval
.v_string
= str
;
5625 for (p
= *arg
+ 1; *p
!= NUL
; )
5633 MB_COPY_CHAR(p
, str
);
5642 * Allocate a variable for a List and fill it from "*arg".
5643 * Return OK or FAIL.
5646 get_list_tv(arg
, rettv
, evaluate
)
5662 *arg
= skipwhite(*arg
+ 1);
5663 while (**arg
!= ']' && **arg
!= NUL
)
5665 if (eval1(arg
, &tv
, evaluate
) == FAIL
) /* recursive! */
5669 item
= listitem_alloc();
5673 item
->li_tv
.v_lock
= 0;
5674 list_append(l
, item
);
5684 EMSG2(_("E696: Missing comma in List: %s"), *arg
);
5687 *arg
= skipwhite(*arg
+ 1);
5692 EMSG2(_("E697: Missing end of List ']': %s"), *arg
);
5699 *arg
= skipwhite(*arg
+ 1);
5702 rettv
->v_type
= VAR_LIST
;
5703 rettv
->vval
.v_list
= l
;
5711 * Allocate an empty header for a list.
5712 * Caller should take care of the reference count.
5719 l
= (list_T
*)alloc_clear(sizeof(list_T
));
5722 /* Prepend the list to the list of lists for garbage collection. */
5723 if (first_list
!= NULL
)
5724 first_list
->lv_used_prev
= l
;
5725 l
->lv_used_prev
= NULL
;
5726 l
->lv_used_next
= first_list
;
5733 * Allocate an empty list for a return value.
5734 * Returns OK or FAIL.
5737 rettv_list_alloc(rettv
)
5740 list_T
*l
= list_alloc();
5745 rettv
->vval
.v_list
= l
;
5746 rettv
->v_type
= VAR_LIST
;
5752 * Unreference a list: decrement the reference count and free it when it
5759 if (l
!= NULL
&& --l
->lv_refcount
<= 0)
5764 * Free a list, including all items it points to.
5765 * Ignores the reference count.
5768 list_free(l
, recurse
)
5770 int recurse
; /* Free Lists and Dictionaries recursively. */
5774 /* Remove the list from the list of lists for garbage collection. */
5775 if (l
->lv_used_prev
== NULL
)
5776 first_list
= l
->lv_used_next
;
5778 l
->lv_used_prev
->lv_used_next
= l
->lv_used_next
;
5779 if (l
->lv_used_next
!= NULL
)
5780 l
->lv_used_next
->lv_used_prev
= l
->lv_used_prev
;
5782 for (item
= l
->lv_first
; item
!= NULL
; item
= l
->lv_first
)
5784 /* Remove the item before deleting it. */
5785 l
->lv_first
= item
->li_next
;
5786 if (recurse
|| (item
->li_tv
.v_type
!= VAR_LIST
5787 && item
->li_tv
.v_type
!= VAR_DICT
))
5788 clear_tv(&item
->li_tv
);
5795 * Allocate a list item.
5800 return (listitem_T
*)alloc(sizeof(listitem_T
));
5804 * Free a list item. Also clears the value. Does not notify watchers.
5810 clear_tv(&item
->li_tv
);
5815 * Remove a list item from a List and free it. Also clears the value.
5818 listitem_remove(l
, item
)
5822 list_remove(l
, item
, item
);
5823 listitem_free(item
);
5827 * Get the number of items in a list.
5839 * Return TRUE when two lists have exactly the same values.
5842 list_equal(l1
, l2
, ic
)
5845 int ic
; /* ignore case for strings */
5847 listitem_T
*item1
, *item2
;
5849 if (l1
== NULL
|| l2
== NULL
)
5853 if (list_len(l1
) != list_len(l2
))
5856 for (item1
= l1
->lv_first
, item2
= l2
->lv_first
;
5857 item1
!= NULL
&& item2
!= NULL
;
5858 item1
= item1
->li_next
, item2
= item2
->li_next
)
5859 if (!tv_equal(&item1
->li_tv
, &item2
->li_tv
, ic
))
5861 return item1
== NULL
&& item2
== NULL
;
5864 #if defined(FEAT_PYTHON) || defined(PROTO)
5866 * Return the dictitem that an entry in a hashtable points to.
5877 * Return TRUE when two dictionaries have exactly the same key/values.
5880 dict_equal(d1
, d2
, ic
)
5883 int ic
; /* ignore case for strings */
5889 if (d1
== NULL
|| d2
== NULL
)
5893 if (dict_len(d1
) != dict_len(d2
))
5896 todo
= (int)d1
->dv_hashtab
.ht_used
;
5897 for (hi
= d1
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
5899 if (!HASHITEM_EMPTY(hi
))
5901 item2
= dict_find(d2
, hi
->hi_key
, -1);
5904 if (!tv_equal(&HI2DI(hi
)->di_tv
, &item2
->di_tv
, ic
))
5913 * Return TRUE if "tv1" and "tv2" have the same value.
5914 * Compares the items just like "==" would compare them, but strings and
5915 * numbers are different. Floats and numbers are also different.
5918 tv_equal(tv1
, tv2
, ic
)
5921 int ic
; /* ignore case */
5923 char_u buf1
[NUMBUFLEN
], buf2
[NUMBUFLEN
];
5925 static int recursive
= 0; /* cach recursive loops */
5928 if (tv1
->v_type
!= tv2
->v_type
)
5930 /* Catch lists and dicts that have an endless loop by limiting
5931 * recursiveness to 1000. We guess they are equal then. */
5932 if (recursive
>= 1000)
5935 switch (tv1
->v_type
)
5939 r
= list_equal(tv1
->vval
.v_list
, tv2
->vval
.v_list
, ic
);
5945 r
= dict_equal(tv1
->vval
.v_dict
, tv2
->vval
.v_dict
, ic
);
5950 return (tv1
->vval
.v_string
!= NULL
5951 && tv2
->vval
.v_string
!= NULL
5952 && STRCMP(tv1
->vval
.v_string
, tv2
->vval
.v_string
) == 0);
5955 return tv1
->vval
.v_number
== tv2
->vval
.v_number
;
5959 return tv1
->vval
.v_float
== tv2
->vval
.v_float
;
5963 s1
= get_tv_string_buf(tv1
, buf1
);
5964 s2
= get_tv_string_buf(tv2
, buf2
);
5965 return ((ic
? MB_STRICMP(s1
, s2
) : STRCMP(s1
, s2
)) == 0);
5968 EMSG2(_(e_intern2
), "tv_equal()");
5973 * Locate item with index "n" in list "l" and return it.
5974 * A negative index is counted from the end; -1 is the last item.
5975 * Returns NULL when "n" is out of range.
5988 /* Negative index is relative to the end. */
5992 /* Check for index out of range. */
5993 if (n
< 0 || n
>= l
->lv_len
)
5996 /* When there is a cached index may start search from there. */
5997 if (l
->lv_idx_item
!= NULL
)
5999 if (n
< l
->lv_idx
/ 2)
6001 /* closest to the start of the list */
6005 else if (n
> (l
->lv_idx
+ l
->lv_len
) / 2)
6007 /* closest to the end of the list */
6009 idx
= l
->lv_len
- 1;
6013 /* closest to the cached index */
6014 item
= l
->lv_idx_item
;
6020 if (n
< l
->lv_len
/ 2)
6022 /* closest to the start of the list */
6028 /* closest to the end of the list */
6030 idx
= l
->lv_len
- 1;
6036 /* search forward */
6037 item
= item
->li_next
;
6042 /* search backward */
6043 item
= item
->li_prev
;
6047 /* cache the used index */
6049 l
->lv_idx_item
= item
;
6055 * Get list item "l[idx]" as a number.
6058 list_find_nr(l
, idx
, errorp
)
6061 int *errorp
; /* set to TRUE when something wrong */
6065 li
= list_find(l
, idx
);
6072 return get_tv_number_chk(&li
->li_tv
, errorp
);
6076 * Get list item "l[idx - 1]" as a string. Returns NULL for failure.
6079 list_find_str(l
, idx
)
6085 li
= list_find(l
, idx
- 1);
6088 EMSGN(_(e_listidx
), idx
);
6091 return get_tv_string(&li
->li_tv
);
6095 * Locate "item" list "l" and return its index.
6096 * Returns -1 when "item" is not in the list.
6099 list_idx_of_item(l
, item
)
6109 for (li
= l
->lv_first
; li
!= NULL
&& li
!= item
; li
= li
->li_next
)
6117 * Append item "item" to the end of list "l".
6120 list_append(l
, item
)
6124 if (l
->lv_last
== NULL
)
6129 item
->li_prev
= NULL
;
6133 l
->lv_last
->li_next
= item
;
6134 item
->li_prev
= l
->lv_last
;
6138 item
->li_next
= NULL
;
6142 * Append typval_T "tv" to the end of list "l".
6143 * Return FAIL when out of memory.
6146 list_append_tv(l
, tv
)
6150 listitem_T
*li
= listitem_alloc();
6154 copy_tv(tv
, &li
->li_tv
);
6160 * Add a dictionary to a list. Used by getqflist().
6161 * Return FAIL when out of memory.
6164 list_append_dict(list
, dict
)
6168 listitem_T
*li
= listitem_alloc();
6172 li
->li_tv
.v_type
= VAR_DICT
;
6173 li
->li_tv
.v_lock
= 0;
6174 li
->li_tv
.vval
.v_dict
= dict
;
6175 list_append(list
, li
);
6176 ++dict
->dv_refcount
;
6181 * Make a copy of "str" and append it as an item to list "l".
6182 * When "len" >= 0 use "str[len]".
6183 * Returns FAIL when out of memory.
6186 list_append_string(l
, str
, len
)
6191 listitem_T
*li
= listitem_alloc();
6196 li
->li_tv
.v_type
= VAR_STRING
;
6197 li
->li_tv
.v_lock
= 0;
6199 li
->li_tv
.vval
.v_string
= NULL
;
6200 else if ((li
->li_tv
.vval
.v_string
= (len
>= 0 ? vim_strnsave(str
, len
)
6201 : vim_strsave(str
))) == NULL
)
6207 * Append "n" to list "l".
6208 * Returns FAIL when out of memory.
6211 list_append_number(l
, n
)
6217 li
= listitem_alloc();
6220 li
->li_tv
.v_type
= VAR_NUMBER
;
6221 li
->li_tv
.v_lock
= 0;
6222 li
->li_tv
.vval
.v_number
= n
;
6228 * Insert typval_T "tv" in list "l" before "item".
6229 * If "item" is NULL append at the end.
6230 * Return FAIL when out of memory.
6233 list_insert_tv(l
, tv
, item
)
6238 listitem_T
*ni
= listitem_alloc();
6242 copy_tv(tv
, &ni
->li_tv
);
6244 /* Append new item at end of list. */
6248 /* Insert new item before existing item. */
6249 ni
->li_prev
= item
->li_prev
;
6251 if (item
->li_prev
== NULL
)
6258 item
->li_prev
->li_next
= ni
;
6259 l
->lv_idx_item
= NULL
;
6268 * Extend "l1" with "l2".
6269 * If "bef" is NULL append at the end, otherwise insert before this item.
6270 * Returns FAIL when out of memory.
6273 list_extend(l1
, l2
, bef
)
6279 int todo
= l2
->lv_len
;
6281 /* We also quit the loop when we have inserted the original item count of
6282 * the list, avoid a hang when we extend a list with itself. */
6283 for (item
= l2
->lv_first
; item
!= NULL
&& --todo
>= 0; item
= item
->li_next
)
6284 if (list_insert_tv(l1
, &item
->li_tv
, bef
) == FAIL
)
6290 * Concatenate lists "l1" and "l2" into a new list, stored in "tv".
6291 * Return FAIL when out of memory.
6294 list_concat(l1
, l2
, tv
)
6301 if (l1
== NULL
|| l2
== NULL
)
6304 /* make a copy of the first list. */
6305 l
= list_copy(l1
, FALSE
, 0);
6308 tv
->v_type
= VAR_LIST
;
6309 tv
->vval
.v_list
= l
;
6311 /* append all items from the second list */
6312 return list_extend(l
, l2
, NULL
);
6316 * Make a copy of list "orig". Shallow if "deep" is FALSE.
6317 * The refcount of the new list is set to 1.
6318 * See item_copy() for "copyID".
6319 * Returns NULL when out of memory.
6322 list_copy(orig
, deep
, copyID
)
6334 copy
= list_alloc();
6339 /* Do this before adding the items, because one of the items may
6340 * refer back to this list. */
6341 orig
->lv_copyID
= copyID
;
6342 orig
->lv_copylist
= copy
;
6344 for (item
= orig
->lv_first
; item
!= NULL
&& !got_int
;
6345 item
= item
->li_next
)
6347 ni
= listitem_alloc();
6352 if (item_copy(&item
->li_tv
, &ni
->li_tv
, deep
, copyID
) == FAIL
)
6359 copy_tv(&item
->li_tv
, &ni
->li_tv
);
6360 list_append(copy
, ni
);
6362 ++copy
->lv_refcount
;
6374 * Remove items "item" to "item2" from list "l".
6375 * Does not free the listitem or the value!
6378 list_remove(l
, item
, item2
)
6385 /* notify watchers */
6386 for (ip
= item
; ip
!= NULL
; ip
= ip
->li_next
)
6389 list_fix_watch(l
, ip
);
6394 if (item2
->li_next
== NULL
)
6395 l
->lv_last
= item
->li_prev
;
6397 item2
->li_next
->li_prev
= item
->li_prev
;
6398 if (item
->li_prev
== NULL
)
6399 l
->lv_first
= item2
->li_next
;
6401 item
->li_prev
->li_next
= item2
->li_next
;
6402 l
->lv_idx_item
= NULL
;
6406 * Return an allocated string with the string representation of a list.
6410 list2string(tv
, copyID
)
6416 if (tv
->vval
.v_list
== NULL
)
6418 ga_init2(&ga
, (int)sizeof(char), 80);
6419 ga_append(&ga
, '[');
6420 if (list_join(&ga
, tv
->vval
.v_list
, (char_u
*)", ", FALSE
, copyID
) == FAIL
)
6422 vim_free(ga
.ga_data
);
6425 ga_append(&ga
, ']');
6426 ga_append(&ga
, NUL
);
6427 return (char_u
*)ga
.ga_data
;
6431 * Join list "l" into a string in "*gap", using separator "sep".
6432 * When "echo" is TRUE use String as echoed, otherwise as inside a List.
6433 * Return FAIL or OK.
6436 list_join(gap
, l
, sep
, echo
, copyID
)
6445 char_u numbuf
[NUMBUFLEN
];
6449 for (item
= l
->lv_first
; item
!= NULL
&& !got_int
; item
= item
->li_next
)
6454 ga_concat(gap
, sep
);
6457 s
= echo_string(&item
->li_tv
, &tofree
, numbuf
, copyID
);
6459 s
= tv2string(&item
->li_tv
, &tofree
, numbuf
, copyID
);
6470 * Garbage collection for lists and dictionaries.
6472 * We use reference counts to be able to free most items right away when they
6473 * are no longer used. But for composite items it's possible that it becomes
6474 * unused while the reference count is > 0: When there is a recursive
6475 * reference. Example:
6476 * :let l = [1, 2, 3]
6480 * Since this is quite unusual we handle this with garbage collection: every
6481 * once in a while find out which lists and dicts are not referenced from any
6484 * Here is a good reference text about garbage collection (refers to Python
6485 * but it applies to all reference-counting mechanisms):
6486 * http://python.ca/nas/python/gc/
6490 * Do garbage collection for lists and dicts.
6491 * Return TRUE if some memory was freed.
6498 int copyID
= ++current_copyID
;
6502 funccall_T
*fc
, **pfc
;
6503 int did_free
= FALSE
;
6508 /* Only do this once. */
6509 want_garbage_collect
= FALSE
;
6510 may_garbage_collect
= FALSE
;
6511 garbage_collect_at_exit
= FALSE
;
6514 * 1. Go through all accessible variables and mark all lists and dicts
6517 /* script-local variables */
6518 for (i
= 1; i
<= ga_scripts
.ga_len
; ++i
)
6519 set_ref_in_ht(&SCRIPT_VARS(i
), copyID
);
6521 /* buffer-local variables */
6522 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
6523 set_ref_in_ht(&buf
->b_vars
.dv_hashtab
, copyID
);
6525 /* window-local variables */
6526 FOR_ALL_TAB_WINDOWS(tp
, wp
)
6527 set_ref_in_ht(&wp
->w_vars
.dv_hashtab
, copyID
);
6530 /* tabpage-local variables */
6531 for (tp
= first_tabpage
; tp
!= NULL
; tp
= tp
->tp_next
)
6532 set_ref_in_ht(&tp
->tp_vars
.dv_hashtab
, copyID
);
6535 /* global variables */
6536 set_ref_in_ht(&globvarht
, copyID
);
6538 /* function-local variables */
6539 for (fc
= current_funccal
; fc
!= NULL
; fc
= fc
->caller
)
6541 set_ref_in_ht(&fc
->l_vars
.dv_hashtab
, copyID
);
6542 set_ref_in_ht(&fc
->l_avars
.dv_hashtab
, copyID
);
6546 set_ref_in_ht(&vimvarht
, copyID
);
6549 * 2. Go through the list of dicts and free items without the copyID.
6551 for (dd
= first_dict
; dd
!= NULL
; )
6552 if (dd
->dv_copyID
!= copyID
)
6554 /* Free the Dictionary and ordinary items it contains, but don't
6555 * recurse into Lists and Dictionaries, they will be in the list
6556 * of dicts or list of lists. */
6557 dict_free(dd
, FALSE
);
6560 /* restart, next dict may also have been freed */
6564 dd
= dd
->dv_used_next
;
6567 * 3. Go through the list of lists and free items without the copyID.
6568 * But don't free a list that has a watcher (used in a for loop), these
6569 * are not referenced anywhere.
6571 for (ll
= first_list
; ll
!= NULL
; )
6572 if (ll
->lv_copyID
!= copyID
&& ll
->lv_watch
== NULL
)
6574 /* Free the List and ordinary items it contains, but don't recurse
6575 * into Lists and Dictionaries, they will be in the list of dicts
6576 * or list of lists. */
6577 list_free(ll
, FALSE
);
6580 /* restart, next list may also have been freed */
6584 ll
= ll
->lv_used_next
;
6586 /* check if any funccal can be freed now */
6587 for (pfc
= &previous_funccal
; *pfc
!= NULL
; )
6589 if (can_free_funccal(*pfc
, copyID
))
6593 free_funccal(fc
, TRUE
);
6597 pfc
= &(*pfc
)->caller
;
6604 * Mark all lists and dicts referenced through hashtab "ht" with "copyID".
6607 set_ref_in_ht(ht
, copyID
)
6614 todo
= (int)ht
->ht_used
;
6615 for (hi
= ht
->ht_array
; todo
> 0; ++hi
)
6616 if (!HASHITEM_EMPTY(hi
))
6619 set_ref_in_item(&HI2DI(hi
)->di_tv
, copyID
);
6624 * Mark all lists and dicts referenced through list "l" with "copyID".
6627 set_ref_in_list(l
, copyID
)
6633 for (li
= l
->lv_first
; li
!= NULL
; li
= li
->li_next
)
6634 set_ref_in_item(&li
->li_tv
, copyID
);
6638 * Mark all lists and dicts referenced through typval "tv" with "copyID".
6641 set_ref_in_item(tv
, copyID
)
6651 dd
= tv
->vval
.v_dict
;
6652 if (dd
!= NULL
&& dd
->dv_copyID
!= copyID
)
6654 /* Didn't see this dict yet. */
6655 dd
->dv_copyID
= copyID
;
6656 set_ref_in_ht(&dd
->dv_hashtab
, copyID
);
6661 ll
= tv
->vval
.v_list
;
6662 if (ll
!= NULL
&& ll
->lv_copyID
!= copyID
)
6664 /* Didn't see this list yet. */
6665 ll
->lv_copyID
= copyID
;
6666 set_ref_in_list(ll
, copyID
);
6674 * Allocate an empty header for a dictionary.
6681 d
= (dict_T
*)alloc(sizeof(dict_T
));
6684 /* Add the list to the list of dicts for garbage collection. */
6685 if (first_dict
!= NULL
)
6686 first_dict
->dv_used_prev
= d
;
6687 d
->dv_used_next
= first_dict
;
6688 d
->dv_used_prev
= NULL
;
6691 hash_init(&d
->dv_hashtab
);
6700 * Unreference a Dictionary: decrement the reference count and free it when it
6707 if (d
!= NULL
&& --d
->dv_refcount
<= 0)
6712 * Free a Dictionary, including all items it contains.
6713 * Ignores the reference count.
6716 dict_free(d
, recurse
)
6718 int recurse
; /* Free Lists and Dictionaries recursively. */
6724 /* Remove the dict from the list of dicts for garbage collection. */
6725 if (d
->dv_used_prev
== NULL
)
6726 first_dict
= d
->dv_used_next
;
6728 d
->dv_used_prev
->dv_used_next
= d
->dv_used_next
;
6729 if (d
->dv_used_next
!= NULL
)
6730 d
->dv_used_next
->dv_used_prev
= d
->dv_used_prev
;
6732 /* Lock the hashtab, we don't want it to resize while freeing items. */
6733 hash_lock(&d
->dv_hashtab
);
6734 todo
= (int)d
->dv_hashtab
.ht_used
;
6735 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
6737 if (!HASHITEM_EMPTY(hi
))
6739 /* Remove the item before deleting it, just in case there is
6740 * something recursive causing trouble. */
6742 hash_remove(&d
->dv_hashtab
, hi
);
6743 if (recurse
|| (di
->di_tv
.v_type
!= VAR_LIST
6744 && di
->di_tv
.v_type
!= VAR_DICT
))
6745 clear_tv(&di
->di_tv
);
6750 hash_clear(&d
->dv_hashtab
);
6755 * Allocate a Dictionary item.
6756 * The "key" is copied to the new item.
6757 * Note that the value of the item "di_tv" still needs to be initialized!
6758 * Returns NULL when out of memory.
6766 di
= (dictitem_T
*)alloc((unsigned)(sizeof(dictitem_T
) + STRLEN(key
)));
6769 STRCPY(di
->di_key
, key
);
6776 * Make a copy of a Dictionary item.
6784 di
= (dictitem_T
*)alloc((unsigned)(sizeof(dictitem_T
)
6785 + STRLEN(org
->di_key
)));
6788 STRCPY(di
->di_key
, org
->di_key
);
6790 copy_tv(&org
->di_tv
, &di
->di_tv
);
6796 * Remove item "item" from Dictionary "dict" and free it.
6799 dictitem_remove(dict
, item
)
6805 hi
= hash_find(&dict
->dv_hashtab
, item
->di_key
);
6806 if (HASHITEM_EMPTY(hi
))
6807 EMSG2(_(e_intern2
), "dictitem_remove()");
6809 hash_remove(&dict
->dv_hashtab
, hi
);
6810 dictitem_free(item
);
6814 * Free a dict item. Also clears the value.
6820 clear_tv(&item
->di_tv
);
6825 * Make a copy of dict "d". Shallow if "deep" is FALSE.
6826 * The refcount of the new dict is set to 1.
6827 * See item_copy() for "copyID".
6828 * Returns NULL when out of memory.
6831 dict_copy(orig
, deep
, copyID
)
6844 copy
= dict_alloc();
6849 orig
->dv_copyID
= copyID
;
6850 orig
->dv_copydict
= copy
;
6852 todo
= (int)orig
->dv_hashtab
.ht_used
;
6853 for (hi
= orig
->dv_hashtab
.ht_array
; todo
> 0 && !got_int
; ++hi
)
6855 if (!HASHITEM_EMPTY(hi
))
6859 di
= dictitem_alloc(hi
->hi_key
);
6864 if (item_copy(&HI2DI(hi
)->di_tv
, &di
->di_tv
, deep
,
6872 copy_tv(&HI2DI(hi
)->di_tv
, &di
->di_tv
);
6873 if (dict_add(copy
, di
) == FAIL
)
6881 ++copy
->dv_refcount
;
6893 * Add item "item" to Dictionary "d".
6894 * Returns FAIL when out of memory and when key already existed.
6901 return hash_add(&d
->dv_hashtab
, item
->di_key
);
6905 * Add a number or string entry to dictionary "d".
6906 * When "str" is NULL use number "nr", otherwise use "str".
6907 * Returns FAIL when out of memory and when key already exists.
6910 dict_add_nr_str(d
, key
, nr
, str
)
6918 item
= dictitem_alloc((char_u
*)key
);
6921 item
->di_tv
.v_lock
= 0;
6924 item
->di_tv
.v_type
= VAR_NUMBER
;
6925 item
->di_tv
.vval
.v_number
= nr
;
6929 item
->di_tv
.v_type
= VAR_STRING
;
6930 item
->di_tv
.vval
.v_string
= vim_strsave(str
);
6932 if (dict_add(d
, item
) == FAIL
)
6934 dictitem_free(item
);
6941 * Get the number of items in a Dictionary.
6949 return (long)d
->dv_hashtab
.ht_used
;
6953 * Find item "key[len]" in Dictionary "d".
6954 * If "len" is negative use strlen(key).
6955 * Returns NULL when not found.
6958 dict_find(d
, key
, len
)
6964 char_u buf
[AKEYLEN
];
6966 char_u
*tofree
= NULL
;
6971 else if (len
>= AKEYLEN
)
6973 tofree
= akey
= vim_strnsave(key
, len
);
6979 /* Avoid a malloc/free by using buf[]. */
6980 vim_strncpy(buf
, key
, len
);
6984 hi
= hash_find(&d
->dv_hashtab
, akey
);
6986 if (HASHITEM_EMPTY(hi
))
6992 * Get a string item from a dictionary.
6993 * When "save" is TRUE allocate memory for it.
6994 * Returns NULL if the entry doesn't exist or out of memory.
6997 get_dict_string(d
, key
, save
)
7005 di
= dict_find(d
, key
, -1);
7008 s
= get_tv_string(&di
->di_tv
);
7009 if (save
&& s
!= NULL
)
7015 * Get a number item from a dictionary.
7016 * Returns 0 if the entry doesn't exist or out of memory.
7019 get_dict_number(d
, key
)
7025 di
= dict_find(d
, key
, -1);
7028 return get_tv_number(&di
->di_tv
);
7032 * Return an allocated string with the string representation of a Dictionary.
7036 dict2string(tv
, copyID
)
7043 char_u numbuf
[NUMBUFLEN
];
7049 if ((d
= tv
->vval
.v_dict
) == NULL
)
7051 ga_init2(&ga
, (int)sizeof(char), 80);
7052 ga_append(&ga
, '{');
7054 todo
= (int)d
->dv_hashtab
.ht_used
;
7055 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0 && !got_int
; ++hi
)
7057 if (!HASHITEM_EMPTY(hi
))
7064 ga_concat(&ga
, (char_u
*)", ");
7066 tofree
= string_quote(hi
->hi_key
, FALSE
);
7069 ga_concat(&ga
, tofree
);
7072 ga_concat(&ga
, (char_u
*)": ");
7073 s
= tv2string(&HI2DI(hi
)->di_tv
, &tofree
, numbuf
, copyID
);
7083 vim_free(ga
.ga_data
);
7087 ga_append(&ga
, '}');
7088 ga_append(&ga
, NUL
);
7089 return (char_u
*)ga
.ga_data
;
7093 * Allocate a variable for a Dictionary and fill it from "*arg".
7094 * Return OK or FAIL. Returns NOTDONE for {expr}.
7097 get_dict_tv(arg
, rettv
, evaluate
)
7107 char_u
*start
= skipwhite(*arg
+ 1);
7108 char_u buf
[NUMBUFLEN
];
7111 * First check if it's not a curly-braces thing: {expr}.
7112 * Must do this without evaluating, otherwise a function may be called
7113 * twice. Unfortunately this means we need to call eval1() twice for the
7115 * But {} is an empty Dictionary.
7119 if (eval1(&start
, &tv
, FALSE
) == FAIL
) /* recursive! */
7131 tvkey
.v_type
= VAR_UNKNOWN
;
7132 tv
.v_type
= VAR_UNKNOWN
;
7134 *arg
= skipwhite(*arg
+ 1);
7135 while (**arg
!= '}' && **arg
!= NUL
)
7137 if (eval1(arg
, &tvkey
, evaluate
) == FAIL
) /* recursive! */
7141 EMSG2(_("E720: Missing colon in Dictionary: %s"), *arg
);
7147 key
= get_tv_string_buf_chk(&tvkey
, buf
);
7148 if (key
== NULL
|| *key
== NUL
)
7150 /* "key" is NULL when get_tv_string_buf_chk() gave an errmsg */
7152 EMSG(_(e_emptykey
));
7158 *arg
= skipwhite(*arg
+ 1);
7159 if (eval1(arg
, &tv
, evaluate
) == FAIL
) /* recursive! */
7167 item
= dict_find(d
, key
, -1);
7170 EMSG2(_("E721: Duplicate key in Dictionary: \"%s\""), key
);
7175 item
= dictitem_alloc(key
);
7180 item
->di_tv
.v_lock
= 0;
7181 if (dict_add(d
, item
) == FAIL
)
7182 dictitem_free(item
);
7190 EMSG2(_("E722: Missing comma in Dictionary: %s"), *arg
);
7193 *arg
= skipwhite(*arg
+ 1);
7198 EMSG2(_("E723: Missing end of Dictionary '}': %s"), *arg
);
7205 *arg
= skipwhite(*arg
+ 1);
7208 rettv
->v_type
= VAR_DICT
;
7209 rettv
->vval
.v_dict
= d
;
7217 * Return a string with the string representation of a variable.
7218 * If the memory is allocated "tofree" is set to it, otherwise NULL.
7219 * "numbuf" is used for a number.
7220 * Does not put quotes around strings, as ":echo" displays values.
7221 * When "copyID" is not NULL replace recursive lists and dicts with "...".
7225 echo_string(tv
, tofree
, numbuf
, copyID
)
7231 static int recurse
= 0;
7234 if (recurse
>= DICT_MAXNEST
)
7236 EMSG(_("E724: variable nested too deep for displaying"));
7246 r
= tv
->vval
.v_string
;
7250 if (tv
->vval
.v_list
== NULL
)
7255 else if (copyID
!= 0 && tv
->vval
.v_list
->lv_copyID
== copyID
)
7258 r
= (char_u
*)"[...]";
7262 tv
->vval
.v_list
->lv_copyID
= copyID
;
7263 *tofree
= list2string(tv
, copyID
);
7269 if (tv
->vval
.v_dict
== NULL
)
7274 else if (copyID
!= 0 && tv
->vval
.v_dict
->dv_copyID
== copyID
)
7277 r
= (char_u
*)"{...}";
7281 tv
->vval
.v_dict
->dv_copyID
= copyID
;
7282 *tofree
= dict2string(tv
, copyID
);
7290 r
= get_tv_string_buf(tv
, numbuf
);
7296 vim_snprintf((char *)numbuf
, NUMBUFLEN
, "%g", tv
->vval
.v_float
);
7302 EMSG2(_(e_intern2
), "echo_string()");
7311 * Return a string with the string representation of a variable.
7312 * If the memory is allocated "tofree" is set to it, otherwise NULL.
7313 * "numbuf" is used for a number.
7314 * Puts quotes around strings, so that they can be parsed back by eval().
7318 tv2string(tv
, tofree
, numbuf
, copyID
)
7327 *tofree
= string_quote(tv
->vval
.v_string
, TRUE
);
7330 *tofree
= string_quote(tv
->vval
.v_string
, FALSE
);
7335 vim_snprintf((char *)numbuf
, NUMBUFLEN
- 1, "%g", tv
->vval
.v_float
);
7343 EMSG2(_(e_intern2
), "tv2string()");
7345 return echo_string(tv
, tofree
, numbuf
, copyID
);
7349 * Return string "str" in ' quotes, doubling ' characters.
7350 * If "str" is NULL an empty string is assumed.
7351 * If "function" is TRUE make it function('string').
7354 string_quote(str
, function
)
7361 len
= (function
? 13 : 3);
7364 len
+= (unsigned)STRLEN(str
);
7365 for (p
= str
; *p
!= NUL
; mb_ptr_adv(p
))
7374 STRCPY(r
, "function('");
7380 for (p
= str
; *p
!= NUL
; )
7396 * Convert the string "text" to a floating point number.
7397 * This uses strtod(). setlocale(LC_NUMERIC, "C") has been used to make sure
7398 * this always uses a decimal point.
7399 * Returns the length of the text that was consumed.
7402 string2float(text
, value
)
7404 float_T
*value
; /* result stored here */
7406 char *s
= (char *)text
;
7411 return (int)((char_u
*)s
- text
);
7416 * Get the value of an environment variable.
7417 * "arg" is pointing to the '$'. It is advanced to after the name.
7418 * If the environment variable was not set, silently assume it is empty.
7422 get_env_tv(arg
, rettv
, evaluate
)
7427 char_u
*string
= NULL
;
7431 int mustfree
= FALSE
;
7435 len
= get_env_len(arg
);
7442 /* first try vim_getenv(), fast for normal environment vars */
7443 string
= vim_getenv(name
, &mustfree
);
7444 if (string
!= NULL
&& *string
!= NUL
)
7447 string
= vim_strsave(string
);
7454 /* next try expanding things like $VIM and ${HOME} */
7455 string
= expand_env_save(name
- 1);
7456 if (string
!= NULL
&& *string
== '$')
7464 rettv
->v_type
= VAR_STRING
;
7465 rettv
->vval
.v_string
= string
;
7472 * Array with names and number of arguments of all internal functions
7473 * MUST BE KEPT SORTED IN strcmp() ORDER FOR BINARY SEARCH!
7477 char *f_name
; /* function name */
7478 char f_min_argc
; /* minimal number of arguments */
7479 char f_max_argc
; /* maximal number of arguments */
7480 void (*f_func
) __ARGS((typval_T
*args
, typval_T
*rvar
));
7481 /* implementation of function */
7485 {"abs", 1, 1, f_abs
},
7487 {"add", 2, 2, f_add
},
7488 {"append", 2, 2, f_append
},
7489 {"argc", 0, 0, f_argc
},
7490 {"argidx", 0, 0, f_argidx
},
7491 {"argv", 0, 1, f_argv
},
7493 {"atan", 1, 1, f_atan
},
7495 {"browse", 4, 4, f_browse
},
7496 {"browsedir", 2, 2, f_browsedir
},
7497 {"bufexists", 1, 1, f_bufexists
},
7498 {"buffer_exists", 1, 1, f_bufexists
}, /* obsolete */
7499 {"buffer_name", 1, 1, f_bufname
}, /* obsolete */
7500 {"buffer_number", 1, 1, f_bufnr
}, /* obsolete */
7501 {"buflisted", 1, 1, f_buflisted
},
7502 {"bufloaded", 1, 1, f_bufloaded
},
7503 {"bufname", 1, 1, f_bufname
},
7504 {"bufnr", 1, 2, f_bufnr
},
7505 {"bufwinnr", 1, 1, f_bufwinnr
},
7506 {"byte2line", 1, 1, f_byte2line
},
7507 {"byteidx", 2, 2, f_byteidx
},
7508 {"call", 2, 3, f_call
},
7510 {"ceil", 1, 1, f_ceil
},
7512 {"changenr", 0, 0, f_changenr
},
7513 {"char2nr", 1, 1, f_char2nr
},
7514 {"cindent", 1, 1, f_cindent
},
7515 {"clearmatches", 0, 0, f_clearmatches
},
7516 {"col", 1, 1, f_col
},
7517 #if defined(FEAT_INS_EXPAND)
7518 {"complete", 2, 2, f_complete
},
7519 {"complete_add", 1, 1, f_complete_add
},
7520 {"complete_check", 0, 0, f_complete_check
},
7522 {"confirm", 1, 4, f_confirm
},
7523 {"copy", 1, 1, f_copy
},
7525 {"cos", 1, 1, f_cos
},
7527 {"count", 2, 4, f_count
},
7528 {"cscope_connection",0,3, f_cscope_connection
},
7529 {"cursor", 1, 3, f_cursor
},
7530 {"deepcopy", 1, 2, f_deepcopy
},
7531 {"delete", 1, 1, f_delete
},
7532 {"did_filetype", 0, 0, f_did_filetype
},
7533 {"diff_filler", 1, 1, f_diff_filler
},
7534 {"diff_hlID", 2, 2, f_diff_hlID
},
7535 {"empty", 1, 1, f_empty
},
7536 {"escape", 2, 2, f_escape
},
7537 {"eval", 1, 1, f_eval
},
7538 {"eventhandler", 0, 0, f_eventhandler
},
7539 {"executable", 1, 1, f_executable
},
7540 {"exists", 1, 1, f_exists
},
7541 {"expand", 1, 2, f_expand
},
7542 {"extend", 2, 3, f_extend
},
7543 {"feedkeys", 1, 2, f_feedkeys
},
7544 {"file_readable", 1, 1, f_filereadable
}, /* obsolete */
7545 {"filereadable", 1, 1, f_filereadable
},
7546 {"filewritable", 1, 1, f_filewritable
},
7547 {"filter", 2, 2, f_filter
},
7548 {"finddir", 1, 3, f_finddir
},
7549 {"findfile", 1, 3, f_findfile
},
7551 {"float2nr", 1, 1, f_float2nr
},
7552 {"floor", 1, 1, f_floor
},
7554 {"fnameescape", 1, 1, f_fnameescape
},
7555 {"fnamemodify", 2, 2, f_fnamemodify
},
7556 {"foldclosed", 1, 1, f_foldclosed
},
7557 {"foldclosedend", 1, 1, f_foldclosedend
},
7558 {"foldlevel", 1, 1, f_foldlevel
},
7559 {"foldtext", 0, 0, f_foldtext
},
7560 {"foldtextresult", 1, 1, f_foldtextresult
},
7561 {"foreground", 0, 0, f_foreground
},
7562 {"function", 1, 1, f_function
},
7563 {"garbagecollect", 0, 1, f_garbagecollect
},
7564 {"get", 2, 3, f_get
},
7565 {"getbufline", 2, 3, f_getbufline
},
7566 {"getbufvar", 2, 2, f_getbufvar
},
7567 {"getchar", 0, 1, f_getchar
},
7568 {"getcharmod", 0, 0, f_getcharmod
},
7569 {"getcmdline", 0, 0, f_getcmdline
},
7570 {"getcmdpos", 0, 0, f_getcmdpos
},
7571 {"getcmdtype", 0, 0, f_getcmdtype
},
7572 {"getcwd", 0, 0, f_getcwd
},
7573 {"getfontname", 0, 1, f_getfontname
},
7574 {"getfperm", 1, 1, f_getfperm
},
7575 {"getfsize", 1, 1, f_getfsize
},
7576 {"getftime", 1, 1, f_getftime
},
7577 {"getftype", 1, 1, f_getftype
},
7578 {"getline", 1, 2, f_getline
},
7579 {"getloclist", 1, 1, f_getqflist
},
7580 {"getmatches", 0, 0, f_getmatches
},
7581 {"getpid", 0, 0, f_getpid
},
7582 {"getpos", 1, 1, f_getpos
},
7583 {"getqflist", 0, 0, f_getqflist
},
7584 {"getreg", 0, 2, f_getreg
},
7585 {"getregtype", 0, 1, f_getregtype
},
7586 {"gettabwinvar", 3, 3, f_gettabwinvar
},
7587 {"getwinposx", 0, 0, f_getwinposx
},
7588 {"getwinposy", 0, 0, f_getwinposy
},
7589 {"getwinvar", 2, 2, f_getwinvar
},
7590 {"glob", 1, 2, f_glob
},
7591 {"globpath", 2, 3, f_globpath
},
7592 {"has", 1, 1, f_has
},
7593 {"has_key", 2, 2, f_has_key
},
7594 {"haslocaldir", 0, 0, f_haslocaldir
},
7595 {"hasmapto", 1, 3, f_hasmapto
},
7596 {"highlightID", 1, 1, f_hlID
}, /* obsolete */
7597 {"highlight_exists",1, 1, f_hlexists
}, /* obsolete */
7598 {"histadd", 2, 2, f_histadd
},
7599 {"histdel", 1, 2, f_histdel
},
7600 {"histget", 1, 2, f_histget
},
7601 {"histnr", 1, 1, f_histnr
},
7602 {"hlID", 1, 1, f_hlID
},
7603 {"hlexists", 1, 1, f_hlexists
},
7604 {"hostname", 0, 0, f_hostname
},
7605 {"iconv", 3, 3, f_iconv
},
7606 {"indent", 1, 1, f_indent
},
7607 {"index", 2, 4, f_index
},
7608 {"input", 1, 3, f_input
},
7609 {"inputdialog", 1, 3, f_inputdialog
},
7610 {"inputlist", 1, 1, f_inputlist
},
7611 {"inputrestore", 0, 0, f_inputrestore
},
7612 {"inputsave", 0, 0, f_inputsave
},
7613 {"inputsecret", 1, 2, f_inputsecret
},
7614 {"insert", 2, 3, f_insert
},
7615 {"isdirectory", 1, 1, f_isdirectory
},
7616 {"islocked", 1, 1, f_islocked
},
7617 {"items", 1, 1, f_items
},
7618 {"join", 1, 2, f_join
},
7619 {"keys", 1, 1, f_keys
},
7620 {"last_buffer_nr", 0, 0, f_last_buffer_nr
},/* obsolete */
7621 {"len", 1, 1, f_len
},
7622 {"libcall", 3, 3, f_libcall
},
7623 {"libcallnr", 3, 3, f_libcallnr
},
7624 {"line", 1, 1, f_line
},
7625 {"line2byte", 1, 1, f_line2byte
},
7626 {"lispindent", 1, 1, f_lispindent
},
7627 {"localtime", 0, 0, f_localtime
},
7629 {"log10", 1, 1, f_log10
},
7631 {"map", 2, 2, f_map
},
7632 {"maparg", 1, 3, f_maparg
},
7633 {"mapcheck", 1, 3, f_mapcheck
},
7634 {"match", 2, 4, f_match
},
7635 {"matchadd", 2, 4, f_matchadd
},
7636 {"matcharg", 1, 1, f_matcharg
},
7637 {"matchdelete", 1, 1, f_matchdelete
},
7638 {"matchend", 2, 4, f_matchend
},
7639 {"matchlist", 2, 4, f_matchlist
},
7640 {"matchstr", 2, 4, f_matchstr
},
7641 {"max", 1, 1, f_max
},
7642 {"min", 1, 1, f_min
},
7644 {"mkdir", 1, 3, f_mkdir
},
7646 {"mode", 0, 1, f_mode
},
7647 {"nextnonblank", 1, 1, f_nextnonblank
},
7648 {"nr2char", 1, 1, f_nr2char
},
7649 {"pathshorten", 1, 1, f_pathshorten
},
7651 {"pow", 2, 2, f_pow
},
7653 {"prevnonblank", 1, 1, f_prevnonblank
},
7654 {"printf", 2, 19, f_printf
},
7655 {"pumvisible", 0, 0, f_pumvisible
},
7656 {"range", 1, 3, f_range
},
7657 {"readfile", 1, 3, f_readfile
},
7658 {"reltime", 0, 2, f_reltime
},
7659 {"reltimestr", 1, 1, f_reltimestr
},
7660 {"remote_expr", 2, 3, f_remote_expr
},
7661 {"remote_foreground", 1, 1, f_remote_foreground
},
7662 {"remote_peek", 1, 2, f_remote_peek
},
7663 {"remote_read", 1, 1, f_remote_read
},
7664 {"remote_send", 2, 3, f_remote_send
},
7665 {"remove", 2, 3, f_remove
},
7666 {"rename", 2, 2, f_rename
},
7667 {"repeat", 2, 2, f_repeat
},
7668 {"resolve", 1, 1, f_resolve
},
7669 {"reverse", 1, 1, f_reverse
},
7671 {"round", 1, 1, f_round
},
7673 {"search", 1, 4, f_search
},
7674 {"searchdecl", 1, 3, f_searchdecl
},
7675 {"searchpair", 3, 7, f_searchpair
},
7676 {"searchpairpos", 3, 7, f_searchpairpos
},
7677 {"searchpos", 1, 4, f_searchpos
},
7678 {"server2client", 2, 2, f_server2client
},
7679 {"serverlist", 0, 0, f_serverlist
},
7680 {"setbufvar", 3, 3, f_setbufvar
},
7681 {"setcmdpos", 1, 1, f_setcmdpos
},
7682 {"setline", 2, 2, f_setline
},
7683 {"setloclist", 2, 3, f_setloclist
},
7684 {"setmatches", 1, 1, f_setmatches
},
7685 {"setpos", 2, 2, f_setpos
},
7686 {"setqflist", 1, 2, f_setqflist
},
7687 {"setreg", 2, 3, f_setreg
},
7688 {"settabwinvar", 4, 4, f_settabwinvar
},
7689 {"setwinvar", 3, 3, f_setwinvar
},
7690 {"shellescape", 1, 2, f_shellescape
},
7691 {"simplify", 1, 1, f_simplify
},
7693 {"sin", 1, 1, f_sin
},
7695 {"sort", 1, 2, f_sort
},
7696 {"soundfold", 1, 1, f_soundfold
},
7697 {"spellbadword", 0, 1, f_spellbadword
},
7698 {"spellsuggest", 1, 3, f_spellsuggest
},
7699 {"split", 1, 3, f_split
},
7701 {"sqrt", 1, 1, f_sqrt
},
7702 {"str2float", 1, 1, f_str2float
},
7704 {"str2nr", 1, 2, f_str2nr
},
7705 #ifdef HAVE_STRFTIME
7706 {"strftime", 1, 2, f_strftime
},
7708 {"stridx", 2, 3, f_stridx
},
7709 {"string", 1, 1, f_string
},
7710 {"strlen", 1, 1, f_strlen
},
7711 {"strpart", 2, 3, f_strpart
},
7712 {"strridx", 2, 3, f_strridx
},
7713 {"strtrans", 1, 1, f_strtrans
},
7714 {"submatch", 1, 1, f_submatch
},
7715 {"substitute", 4, 4, f_substitute
},
7716 {"synID", 3, 3, f_synID
},
7717 {"synIDattr", 2, 3, f_synIDattr
},
7718 {"synIDtrans", 1, 1, f_synIDtrans
},
7719 {"synstack", 2, 2, f_synstack
},
7720 {"system", 1, 2, f_system
},
7721 {"tabpagebuflist", 0, 1, f_tabpagebuflist
},
7722 {"tabpagenr", 0, 1, f_tabpagenr
},
7723 {"tabpagewinnr", 1, 2, f_tabpagewinnr
},
7724 {"tagfiles", 0, 0, f_tagfiles
},
7725 {"taglist", 1, 1, f_taglist
},
7726 {"tempname", 0, 0, f_tempname
},
7727 {"test", 1, 1, f_test
},
7728 {"tolower", 1, 1, f_tolower
},
7729 {"toupper", 1, 1, f_toupper
},
7732 {"trunc", 1, 1, f_trunc
},
7734 {"type", 1, 1, f_type
},
7735 {"values", 1, 1, f_values
},
7736 {"virtcol", 1, 1, f_virtcol
},
7737 {"visualmode", 0, 1, f_visualmode
},
7738 {"winbufnr", 1, 1, f_winbufnr
},
7739 {"wincol", 0, 0, f_wincol
},
7740 {"winheight", 1, 1, f_winheight
},
7741 {"winline", 0, 0, f_winline
},
7742 {"winnr", 0, 1, f_winnr
},
7743 {"winrestcmd", 0, 0, f_winrestcmd
},
7744 {"winrestview", 1, 1, f_winrestview
},
7745 {"winsaveview", 0, 0, f_winsaveview
},
7746 {"winwidth", 1, 1, f_winwidth
},
7747 {"writefile", 2, 3, f_writefile
},
7750 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
7753 * Function given to ExpandGeneric() to obtain the list of internal
7754 * or user defined function names.
7757 get_function_name(xp
, idx
)
7761 static int intidx
= -1;
7768 name
= get_user_func_name(xp
, idx
);
7772 if (++intidx
< (int)(sizeof(functions
) / sizeof(struct fst
)))
7774 STRCPY(IObuff
, functions
[intidx
].f_name
);
7775 STRCAT(IObuff
, "(");
7776 if (functions
[intidx
].f_max_argc
== 0)
7777 STRCAT(IObuff
, ")");
7785 * Function given to ExpandGeneric() to obtain the list of internal or
7786 * user defined variable or function names.
7790 get_expr_name(xp
, idx
)
7794 static int intidx
= -1;
7801 name
= get_function_name(xp
, idx
);
7805 return get_user_var_name(xp
, ++intidx
);
7808 #endif /* FEAT_CMDL_COMPL */
7811 * Find internal function in table above.
7812 * Return index, or -1 if not found
7815 find_internal_func(name
)
7816 char_u
*name
; /* name of the function */
7819 int last
= (int)(sizeof(functions
) / sizeof(struct fst
)) - 1;
7824 * Find the function name in the table. Binary search.
7826 while (first
<= last
)
7828 x
= first
+ ((unsigned)(last
- first
) >> 1);
7829 cmp
= STRCMP(name
, functions
[x
].f_name
);
7841 * Check if "name" is a variable of type VAR_FUNC. If so, return the function
7842 * name it contains, otherwise return "name".
7845 deref_func_name(name
, lenp
)
7854 v
= find_var(name
, NULL
);
7856 if (v
!= NULL
&& v
->di_tv
.v_type
== VAR_FUNC
)
7858 if (v
->di_tv
.vval
.v_string
== NULL
)
7861 return (char_u
*)""; /* just in case */
7863 *lenp
= (int)STRLEN(v
->di_tv
.vval
.v_string
);
7864 return v
->di_tv
.vval
.v_string
;
7871 * Allocate a variable for the result of a function.
7872 * Return OK or FAIL.
7875 get_func_tv(name
, len
, rettv
, arg
, firstline
, lastline
, doesrange
,
7877 char_u
*name
; /* name of the function */
7878 int len
; /* length of "name" */
7880 char_u
**arg
; /* argument, pointing to the '(' */
7881 linenr_T firstline
; /* first line of range */
7882 linenr_T lastline
; /* last line of range */
7883 int *doesrange
; /* return: function handled range */
7885 dict_T
*selfdict
; /* Dictionary for "self" */
7889 typval_T argvars
[MAX_FUNC_ARGS
+ 1]; /* vars for arguments */
7890 int argcount
= 0; /* number of arguments found */
7893 * Get the arguments.
7896 while (argcount
< MAX_FUNC_ARGS
)
7898 argp
= skipwhite(argp
+ 1); /* skip the '(' or ',' */
7899 if (*argp
== ')' || *argp
== ',' || *argp
== NUL
)
7901 if (eval1(&argp
, &argvars
[argcount
], evaluate
) == FAIL
)
7916 ret
= call_func(name
, len
, rettv
, argcount
, argvars
,
7917 firstline
, lastline
, doesrange
, evaluate
, selfdict
);
7918 else if (!aborting())
7920 if (argcount
== MAX_FUNC_ARGS
)
7921 emsg_funcname(N_("E740: Too many arguments for function %s"), name
);
7923 emsg_funcname(N_("E116: Invalid arguments for function %s"), name
);
7926 while (--argcount
>= 0)
7927 clear_tv(&argvars
[argcount
]);
7929 *arg
= skipwhite(argp
);
7935 * Call a function with its resolved parameters
7936 * Return OK when the function can't be called, FAIL otherwise.
7937 * Also returns OK when an error was encountered while executing the function.
7940 call_func(name
, len
, rettv
, argcount
, argvars
, firstline
, lastline
,
7941 doesrange
, evaluate
, selfdict
)
7942 char_u
*name
; /* name of the function */
7943 int len
; /* length of "name" */
7944 typval_T
*rettv
; /* return value goes here */
7945 int argcount
; /* number of "argvars" */
7946 typval_T
*argvars
; /* vars for arguments, must have "argcount"
7947 PLUS ONE elements! */
7948 linenr_T firstline
; /* first line of range */
7949 linenr_T lastline
; /* last line of range */
7950 int *doesrange
; /* return: function handled range */
7952 dict_T
*selfdict
; /* Dictionary for "self" */
7955 #define ERROR_UNKNOWN 0
7956 #define ERROR_TOOMANY 1
7957 #define ERROR_TOOFEW 2
7958 #define ERROR_SCRIPT 3
7959 #define ERROR_DICT 4
7960 #define ERROR_NONE 5
7961 #define ERROR_OTHER 6
7962 int error
= ERROR_NONE
;
7967 #define FLEN_FIXED 40
7968 char_u fname_buf
[FLEN_FIXED
+ 1];
7972 * In a script change <SID>name() and s:name() to K_SNR 123_name().
7973 * Change <SNR>123_name() to K_SNR 123_name().
7974 * Use fname_buf[] when it fits, otherwise allocate memory (slow).
7978 llen
= eval_fname_script(name
);
7981 fname_buf
[0] = K_SPECIAL
;
7982 fname_buf
[1] = KS_EXTRA
;
7983 fname_buf
[2] = (int)KE_SNR
;
7985 if (eval_fname_sid(name
)) /* "<SID>" or "s:" */
7987 if (current_SID
<= 0)
7988 error
= ERROR_SCRIPT
;
7991 sprintf((char *)fname_buf
+ 3, "%ld_", (long)current_SID
);
7992 i
= (int)STRLEN(fname_buf
);
7995 if (i
+ STRLEN(name
+ llen
) < FLEN_FIXED
)
7997 STRCPY(fname_buf
+ i
, name
+ llen
);
8002 fname
= alloc((unsigned)(i
+ STRLEN(name
+ llen
) + 1));
8004 error
= ERROR_OTHER
;
8007 mch_memmove(fname
, fname_buf
, (size_t)i
);
8008 STRCPY(fname
+ i
, name
+ llen
);
8018 /* execute the function if no errors detected and executing */
8019 if (evaluate
&& error
== ERROR_NONE
)
8021 rettv
->v_type
= VAR_NUMBER
; /* default is number rettv */
8022 error
= ERROR_UNKNOWN
;
8024 if (!builtin_function(fname
))
8027 * User defined function.
8029 fp
= find_func(fname
);
8032 /* Trigger FuncUndefined event, may load the function. */
8034 && apply_autocmds(EVENT_FUNCUNDEFINED
,
8035 fname
, fname
, TRUE
, NULL
)
8038 /* executed an autocommand, search for the function again */
8039 fp
= find_func(fname
);
8042 /* Try loading a package. */
8043 if (fp
== NULL
&& script_autoload(fname
, TRUE
) && !aborting())
8045 /* loaded a package, search for the function again */
8046 fp
= find_func(fname
);
8051 if (fp
->uf_flags
& FC_RANGE
)
8053 if (argcount
< fp
->uf_args
.ga_len
)
8054 error
= ERROR_TOOFEW
;
8055 else if (!fp
->uf_varargs
&& argcount
> fp
->uf_args
.ga_len
)
8056 error
= ERROR_TOOMANY
;
8057 else if ((fp
->uf_flags
& FC_DICT
) && selfdict
== NULL
)
8062 * Call the user function.
8063 * Save and restore search patterns, script variables and
8066 save_search_patterns();
8069 call_user_func(fp
, argcount
, argvars
, rettv
,
8070 firstline
, lastline
,
8071 (fp
->uf_flags
& FC_DICT
) ? selfdict
: NULL
);
8072 if (--fp
->uf_calls
<= 0 && isdigit(*fp
->uf_name
)
8073 && fp
->uf_refcount
<= 0)
8074 /* Function was unreferenced while being used, free it
8078 restore_search_patterns();
8086 * Find the function name in the table, call its implementation.
8088 i
= find_internal_func(fname
);
8091 if (argcount
< functions
[i
].f_min_argc
)
8092 error
= ERROR_TOOFEW
;
8093 else if (argcount
> functions
[i
].f_max_argc
)
8094 error
= ERROR_TOOMANY
;
8097 argvars
[argcount
].v_type
= VAR_UNKNOWN
;
8098 functions
[i
].f_func(argvars
, rettv
);
8104 * The function call (or "FuncUndefined" autocommand sequence) might
8105 * have been aborted by an error, an interrupt, or an explicitly thrown
8106 * exception that has not been caught so far. This situation can be
8107 * tested for by calling aborting(). For an error in an internal
8108 * function or for the "E132" error in call_user_func(), however, the
8109 * throw point at which the "force_abort" flag (temporarily reset by
8110 * emsg()) is normally updated has not been reached yet. We need to
8111 * update that flag first to make aborting() reliable.
8113 update_force_abort();
8115 if (error
== ERROR_NONE
)
8119 * Report an error unless the argument evaluation or function call has been
8120 * cancelled due to an aborting error, an interrupt, or an exception.
8127 emsg_funcname(N_("E117: Unknown function: %s"), name
);
8130 emsg_funcname(e_toomanyarg
, name
);
8133 emsg_funcname(N_("E119: Not enough arguments for function: %s"),
8137 emsg_funcname(N_("E120: Using <SID> not in a script context: %s"),
8141 emsg_funcname(N_("E725: Calling dict function without Dictionary: %s"),
8148 if (fname
!= name
&& fname
!= fname_buf
)
8155 * Give an error message with a function name. Handle <SNR> things.
8156 * "ermsg" is to be passed without translation, use N_() instead of _().
8159 emsg_funcname(ermsg
, name
)
8165 if (*name
== K_SPECIAL
)
8166 p
= concat_str((char_u
*)"<SNR>", name
+ 3);
8175 * Return TRUE for a non-zero Number and a non-empty String.
8178 non_zero_arg(argvars
)
8181 return ((argvars
[0].v_type
== VAR_NUMBER
8182 && argvars
[0].vval
.v_number
!= 0)
8183 || (argvars
[0].v_type
== VAR_STRING
8184 && argvars
[0].vval
.v_string
!= NULL
8185 && *argvars
[0].vval
.v_string
!= NUL
));
8188 /*********************************************
8189 * Implementation of the built-in functions
8194 * "abs(expr)" function
8197 f_abs(argvars
, rettv
)
8201 if (argvars
[0].v_type
== VAR_FLOAT
)
8203 rettv
->v_type
= VAR_FLOAT
;
8204 rettv
->vval
.v_float
= fabs(argvars
[0].vval
.v_float
);
8211 n
= get_tv_number_chk(&argvars
[0], &error
);
8213 rettv
->vval
.v_number
= -1;
8215 rettv
->vval
.v_number
= n
;
8217 rettv
->vval
.v_number
= -n
;
8223 * "add(list, item)" function
8226 f_add(argvars
, rettv
)
8232 rettv
->vval
.v_number
= 1; /* Default: Failed */
8233 if (argvars
[0].v_type
== VAR_LIST
)
8235 if ((l
= argvars
[0].vval
.v_list
) != NULL
8236 && !tv_check_lock(l
->lv_lock
, (char_u
*)"add()")
8237 && list_append_tv(l
, &argvars
[1]) == OK
)
8238 copy_tv(&argvars
[0], rettv
);
8245 * "append(lnum, string/list)" function
8248 f_append(argvars
, rettv
)
8255 listitem_T
*li
= NULL
;
8259 lnum
= get_tv_lnum(argvars
);
8261 && lnum
<= curbuf
->b_ml
.ml_line_count
8262 && u_save(lnum
, lnum
+ 1) == OK
)
8264 if (argvars
[1].v_type
== VAR_LIST
)
8266 l
= argvars
[1].vval
.v_list
;
8271 rettv
->vval
.v_number
= 0; /* Default: Success */
8275 tv
= &argvars
[1]; /* append a string */
8276 else if (li
== NULL
)
8277 break; /* end of list */
8279 tv
= &li
->li_tv
; /* append item from list */
8280 line
= get_tv_string_chk(tv
);
8281 if (line
== NULL
) /* type error */
8283 rettv
->vval
.v_number
= 1; /* Failed */
8286 ml_append(lnum
+ added
, line
, (colnr_T
)0, FALSE
);
8293 appended_lines_mark(lnum
, added
);
8294 if (curwin
->w_cursor
.lnum
> lnum
)
8295 curwin
->w_cursor
.lnum
+= added
;
8298 rettv
->vval
.v_number
= 1; /* Failed */
8306 f_argc(argvars
, rettv
)
8310 rettv
->vval
.v_number
= ARGCOUNT
;
8314 * "argidx()" function
8318 f_argidx(argvars
, rettv
)
8322 rettv
->vval
.v_number
= curwin
->w_arg_idx
;
8326 * "argv(nr)" function
8329 f_argv(argvars
, rettv
)
8335 if (argvars
[0].v_type
!= VAR_UNKNOWN
)
8337 idx
= get_tv_number_chk(&argvars
[0], NULL
);
8338 if (idx
>= 0 && idx
< ARGCOUNT
)
8339 rettv
->vval
.v_string
= vim_strsave(alist_name(&ARGLIST
[idx
]));
8341 rettv
->vval
.v_string
= NULL
;
8342 rettv
->v_type
= VAR_STRING
;
8344 else if (rettv_list_alloc(rettv
) == OK
)
8345 for (idx
= 0; idx
< ARGCOUNT
; ++idx
)
8346 list_append_string(rettv
->vval
.v_list
,
8347 alist_name(&ARGLIST
[idx
]), -1);
8351 static int get_float_arg
__ARGS((typval_T
*argvars
, float_T
*f
));
8354 * Get the float value of "argvars[0]" into "f".
8355 * Returns FAIL when the argument is not a Number or Float.
8358 get_float_arg(argvars
, f
)
8362 if (argvars
[0].v_type
== VAR_FLOAT
)
8364 *f
= argvars
[0].vval
.v_float
;
8367 if (argvars
[0].v_type
== VAR_NUMBER
)
8369 *f
= (float_T
)argvars
[0].vval
.v_number
;
8372 EMSG(_("E808: Number or Float required"));
8380 f_atan(argvars
, rettv
)
8386 rettv
->v_type
= VAR_FLOAT
;
8387 if (get_float_arg(argvars
, &f
) == OK
)
8388 rettv
->vval
.v_float
= atan(f
);
8390 rettv
->vval
.v_float
= 0.0;
8395 * "browse(save, title, initdir, default)" function
8399 f_browse(argvars
, rettv
)
8408 char_u buf
[NUMBUFLEN
];
8409 char_u buf2
[NUMBUFLEN
];
8412 save
= get_tv_number_chk(&argvars
[0], &error
);
8413 title
= get_tv_string_chk(&argvars
[1]);
8414 initdir
= get_tv_string_buf_chk(&argvars
[2], buf
);
8415 defname
= get_tv_string_buf_chk(&argvars
[3], buf2
);
8417 if (error
|| title
== NULL
|| initdir
== NULL
|| defname
== NULL
)
8418 rettv
->vval
.v_string
= NULL
;
8420 rettv
->vval
.v_string
=
8421 do_browse(save
? BROWSE_SAVE
: 0,
8422 title
, defname
, NULL
, initdir
, NULL
, curbuf
);
8424 rettv
->vval
.v_string
= NULL
;
8426 rettv
->v_type
= VAR_STRING
;
8430 * "browsedir(title, initdir)" function
8434 f_browsedir(argvars
, rettv
)
8441 char_u buf
[NUMBUFLEN
];
8443 title
= get_tv_string_chk(&argvars
[0]);
8444 initdir
= get_tv_string_buf_chk(&argvars
[1], buf
);
8446 if (title
== NULL
|| initdir
== NULL
)
8447 rettv
->vval
.v_string
= NULL
;
8449 rettv
->vval
.v_string
= do_browse(BROWSE_DIR
,
8450 title
, NULL
, NULL
, initdir
, NULL
, curbuf
);
8452 rettv
->vval
.v_string
= NULL
;
8454 rettv
->v_type
= VAR_STRING
;
8457 static buf_T
*find_buffer
__ARGS((typval_T
*avar
));
8460 * Find a buffer by number or exact name.
8468 if (avar
->v_type
== VAR_NUMBER
)
8469 buf
= buflist_findnr((int)avar
->vval
.v_number
);
8470 else if (avar
->v_type
== VAR_STRING
&& avar
->vval
.v_string
!= NULL
)
8472 buf
= buflist_findname_exp(avar
->vval
.v_string
);
8475 /* No full path name match, try a match with a URL or a "nofile"
8476 * buffer, these don't use the full path. */
8477 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
8478 if (buf
->b_fname
!= NULL
8479 && (path_with_url(buf
->b_fname
)
8480 #ifdef FEAT_QUICKFIX
8484 && STRCMP(buf
->b_fname
, avar
->vval
.v_string
) == 0)
8492 * "bufexists(expr)" function
8495 f_bufexists(argvars
, rettv
)
8499 rettv
->vval
.v_number
= (find_buffer(&argvars
[0]) != NULL
);
8503 * "buflisted(expr)" function
8506 f_buflisted(argvars
, rettv
)
8512 buf
= find_buffer(&argvars
[0]);
8513 rettv
->vval
.v_number
= (buf
!= NULL
&& buf
->b_p_bl
);
8517 * "bufloaded(expr)" function
8520 f_bufloaded(argvars
, rettv
)
8526 buf
= find_buffer(&argvars
[0]);
8527 rettv
->vval
.v_number
= (buf
!= NULL
&& buf
->b_ml
.ml_mfp
!= NULL
);
8530 static buf_T
*get_buf_tv
__ARGS((typval_T
*tv
));
8533 * Get buffer by number or pattern.
8539 char_u
*name
= tv
->vval
.v_string
;
8544 if (tv
->v_type
== VAR_NUMBER
)
8545 return buflist_findnr((int)tv
->vval
.v_number
);
8546 if (tv
->v_type
!= VAR_STRING
)
8548 if (name
== NULL
|| *name
== NUL
)
8550 if (name
[0] == '$' && name
[1] == NUL
)
8553 /* Ignore 'magic' and 'cpoptions' here to make scripts portable */
8554 save_magic
= p_magic
;
8557 p_cpo
= (char_u
*)"";
8559 buf
= buflist_findnr(buflist_findpat(name
, name
+ STRLEN(name
),
8562 p_magic
= save_magic
;
8565 /* If not found, try expanding the name, like done for bufexists(). */
8567 buf
= find_buffer(tv
);
8573 * "bufname(expr)" function
8576 f_bufname(argvars
, rettv
)
8582 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
8584 buf
= get_buf_tv(&argvars
[0]);
8585 rettv
->v_type
= VAR_STRING
;
8586 if (buf
!= NULL
&& buf
->b_fname
!= NULL
)
8587 rettv
->vval
.v_string
= vim_strsave(buf
->b_fname
);
8589 rettv
->vval
.v_string
= NULL
;
8594 * "bufnr(expr)" function
8597 f_bufnr(argvars
, rettv
)
8605 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
8607 buf
= get_buf_tv(&argvars
[0]);
8610 /* If the buffer isn't found and the second argument is not zero create a
8613 && argvars
[1].v_type
!= VAR_UNKNOWN
8614 && get_tv_number_chk(&argvars
[1], &error
) != 0
8616 && (name
= get_tv_string_chk(&argvars
[0])) != NULL
8618 buf
= buflist_new(name
, NULL
, (linenr_T
)1, 0);
8621 rettv
->vval
.v_number
= buf
->b_fnum
;
8623 rettv
->vval
.v_number
= -1;
8627 * "bufwinnr(nr)" function
8630 f_bufwinnr(argvars
, rettv
)
8640 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
8642 buf
= get_buf_tv(&argvars
[0]);
8644 for (wp
= firstwin
; wp
; wp
= wp
->w_next
)
8647 if (wp
->w_buffer
== buf
)
8650 rettv
->vval
.v_number
= (wp
!= NULL
? winnr
: -1);
8652 rettv
->vval
.v_number
= (curwin
->w_buffer
== buf
? 1 : -1);
8658 * "byte2line(byte)" function
8662 f_byte2line(argvars
, rettv
)
8666 #ifndef FEAT_BYTEOFF
8667 rettv
->vval
.v_number
= -1;
8671 boff
= get_tv_number(&argvars
[0]) - 1; /* boff gets -1 on type error */
8673 rettv
->vval
.v_number
= -1;
8675 rettv
->vval
.v_number
= ml_find_line_or_offset(curbuf
,
8676 (linenr_T
)0, &boff
);
8681 * "byteidx()" function
8685 f_byteidx(argvars
, rettv
)
8695 str
= get_tv_string_chk(&argvars
[0]);
8696 idx
= get_tv_number_chk(&argvars
[1], NULL
);
8697 rettv
->vval
.v_number
= -1;
8698 if (str
== NULL
|| idx
< 0)
8703 for ( ; idx
> 0; idx
--)
8705 if (*t
== NUL
) /* EOL reached */
8707 t
+= (*mb_ptr2len
)(t
);
8709 rettv
->vval
.v_number
= (varnumber_T
)(t
- str
);
8711 if ((size_t)idx
<= STRLEN(str
))
8712 rettv
->vval
.v_number
= idx
;
8717 * "call(func, arglist)" function
8720 f_call(argvars
, rettv
)
8725 typval_T argv
[MAX_FUNC_ARGS
+ 1];
8729 dict_T
*selfdict
= NULL
;
8731 rettv
->vval
.v_number
= 0;
8732 if (argvars
[1].v_type
!= VAR_LIST
)
8737 if (argvars
[1].vval
.v_list
== NULL
)
8740 if (argvars
[0].v_type
== VAR_FUNC
)
8741 func
= argvars
[0].vval
.v_string
;
8743 func
= get_tv_string(&argvars
[0]);
8745 return; /* type error or empty name */
8747 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
8749 if (argvars
[2].v_type
!= VAR_DICT
)
8754 selfdict
= argvars
[2].vval
.v_dict
;
8757 for (item
= argvars
[1].vval
.v_list
->lv_first
; item
!= NULL
;
8758 item
= item
->li_next
)
8760 if (argc
== MAX_FUNC_ARGS
)
8762 EMSG(_("E699: Too many arguments"));
8765 /* Make a copy of each argument. This is needed to be able to set
8766 * v_lock to VAR_FIXED in the copy without changing the original list.
8768 copy_tv(&item
->li_tv
, &argv
[argc
++]);
8772 (void)call_func(func
, (int)STRLEN(func
), rettv
, argc
, argv
,
8773 curwin
->w_cursor
.lnum
, curwin
->w_cursor
.lnum
,
8774 &dummy
, TRUE
, selfdict
);
8776 /* Free the arguments. */
8778 clear_tv(&argv
[--argc
]);
8783 * "ceil({float})" function
8786 f_ceil(argvars
, rettv
)
8792 rettv
->v_type
= VAR_FLOAT
;
8793 if (get_float_arg(argvars
, &f
) == OK
)
8794 rettv
->vval
.v_float
= ceil(f
);
8796 rettv
->vval
.v_float
= 0.0;
8801 * "changenr()" function
8805 f_changenr(argvars
, rettv
)
8809 rettv
->vval
.v_number
= curbuf
->b_u_seq_cur
;
8813 * "char2nr(string)" function
8816 f_char2nr(argvars
, rettv
)
8822 rettv
->vval
.v_number
= (*mb_ptr2char
)(get_tv_string(&argvars
[0]));
8825 rettv
->vval
.v_number
= get_tv_string(&argvars
[0])[0];
8829 * "cindent(lnum)" function
8832 f_cindent(argvars
, rettv
)
8840 pos
= curwin
->w_cursor
;
8841 lnum
= get_tv_lnum(argvars
);
8842 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
)
8844 curwin
->w_cursor
.lnum
= lnum
;
8845 rettv
->vval
.v_number
= get_c_indent();
8846 curwin
->w_cursor
= pos
;
8850 rettv
->vval
.v_number
= -1;
8854 * "clearmatches()" function
8858 f_clearmatches(argvars
, rettv
)
8862 #ifdef FEAT_SEARCH_EXTRA
8863 clear_matches(curwin
);
8868 * "col(string)" function
8871 f_col(argvars
, rettv
)
8877 int fnum
= curbuf
->b_fnum
;
8879 fp
= var2fpos(&argvars
[0], FALSE
, &fnum
);
8880 if (fp
!= NULL
&& fnum
== curbuf
->b_fnum
)
8882 if (fp
->col
== MAXCOL
)
8884 /* '> can be MAXCOL, get the length of the line then */
8885 if (fp
->lnum
<= curbuf
->b_ml
.ml_line_count
)
8886 col
= (colnr_T
)STRLEN(ml_get(fp
->lnum
)) + 1;
8893 #ifdef FEAT_VIRTUALEDIT
8894 /* col(".") when the cursor is on the NUL at the end of the line
8895 * because of "coladd" can be seen as an extra column. */
8896 if (virtual_active() && fp
== &curwin
->w_cursor
)
8898 char_u
*p
= ml_get_cursor();
8900 if (curwin
->w_cursor
.coladd
>= (colnr_T
)chartabsize(p
,
8901 curwin
->w_virtcol
- curwin
->w_cursor
.coladd
))
8906 if (*p
!= NUL
&& p
[(l
= (*mb_ptr2len
)(p
))] == NUL
)
8909 if (*p
!= NUL
&& p
[1] == NUL
)
8917 rettv
->vval
.v_number
= col
;
8920 #if defined(FEAT_INS_EXPAND)
8922 * "complete()" function
8926 f_complete(argvars
, rettv
)
8932 if ((State
& INSERT
) == 0)
8934 EMSG(_("E785: complete() can only be used in Insert mode"));
8938 /* Check for undo allowed here, because if something was already inserted
8939 * the line was already saved for undo and this check isn't done. */
8940 if (!undo_allowed())
8943 if (argvars
[1].v_type
!= VAR_LIST
|| argvars
[1].vval
.v_list
== NULL
)
8949 startcol
= get_tv_number_chk(&argvars
[0], NULL
);
8953 set_completion(startcol
- 1, argvars
[1].vval
.v_list
);
8957 * "complete_add()" function
8961 f_complete_add(argvars
, rettv
)
8965 rettv
->vval
.v_number
= ins_compl_add_tv(&argvars
[0], 0);
8969 * "complete_check()" function
8973 f_complete_check(argvars
, rettv
)
8977 int saved
= RedrawingDisabled
;
8979 RedrawingDisabled
= 0;
8980 ins_compl_check_keys(0);
8981 rettv
->vval
.v_number
= compl_interrupted
;
8982 RedrawingDisabled
= saved
;
8987 * "confirm(message, buttons[, default [, type]])" function
8991 f_confirm(argvars
, rettv
)
8995 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
8997 char_u
*buttons
= NULL
;
8998 char_u buf
[NUMBUFLEN
];
8999 char_u buf2
[NUMBUFLEN
];
9001 int type
= VIM_GENERIC
;
9005 message
= get_tv_string_chk(&argvars
[0]);
9006 if (message
== NULL
)
9008 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
9010 buttons
= get_tv_string_buf_chk(&argvars
[1], buf
);
9011 if (buttons
== NULL
)
9013 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9015 def
= get_tv_number_chk(&argvars
[2], &error
);
9016 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
9018 typestr
= get_tv_string_buf_chk(&argvars
[3], buf2
);
9019 if (typestr
== NULL
)
9023 switch (TOUPPER_ASC(*typestr
))
9025 case 'E': type
= VIM_ERROR
; break;
9026 case 'Q': type
= VIM_QUESTION
; break;
9027 case 'I': type
= VIM_INFO
; break;
9028 case 'W': type
= VIM_WARNING
; break;
9029 case 'G': type
= VIM_GENERIC
; break;
9036 if (buttons
== NULL
|| *buttons
== NUL
)
9037 buttons
= (char_u
*)_("&Ok");
9040 rettv
->vval
.v_number
= 0;
9042 rettv
->vval
.v_number
= do_dialog(type
, NULL
, message
, buttons
,
9045 rettv
->vval
.v_number
= 0;
9053 f_copy(argvars
, rettv
)
9057 item_copy(&argvars
[0], rettv
, FALSE
, 0);
9065 f_cos(argvars
, rettv
)
9071 rettv
->v_type
= VAR_FLOAT
;
9072 if (get_float_arg(argvars
, &f
) == OK
)
9073 rettv
->vval
.v_float
= cos(f
);
9075 rettv
->vval
.v_float
= 0.0;
9080 * "count()" function
9083 f_count(argvars
, rettv
)
9090 if (argvars
[0].v_type
== VAR_LIST
)
9096 if ((l
= argvars
[0].vval
.v_list
) != NULL
)
9099 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9103 ic
= get_tv_number_chk(&argvars
[2], &error
);
9104 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
9106 idx
= get_tv_number_chk(&argvars
[3], &error
);
9109 li
= list_find(l
, idx
);
9111 EMSGN(_(e_listidx
), idx
);
9118 for ( ; li
!= NULL
; li
= li
->li_next
)
9119 if (tv_equal(&li
->li_tv
, &argvars
[1], ic
))
9123 else if (argvars
[0].v_type
== VAR_DICT
)
9129 if ((d
= argvars
[0].vval
.v_dict
) != NULL
)
9133 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9135 ic
= get_tv_number_chk(&argvars
[2], &error
);
9136 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
9140 todo
= error
? 0 : (int)d
->dv_hashtab
.ht_used
;
9141 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
9143 if (!HASHITEM_EMPTY(hi
))
9146 if (tv_equal(&HI2DI(hi
)->di_tv
, &argvars
[1], ic
))
9153 EMSG2(_(e_listdictarg
), "count()");
9154 rettv
->vval
.v_number
= n
;
9158 * "cscope_connection([{num} , {dbpath} [, {prepend}]])" function
9160 * Checks the existence of a cscope connection.
9164 f_cscope_connection(argvars
, rettv
)
9170 char_u
*dbpath
= NULL
;
9171 char_u
*prepend
= NULL
;
9172 char_u buf
[NUMBUFLEN
];
9174 if (argvars
[0].v_type
!= VAR_UNKNOWN
9175 && argvars
[1].v_type
!= VAR_UNKNOWN
)
9177 num
= (int)get_tv_number(&argvars
[0]);
9178 dbpath
= get_tv_string(&argvars
[1]);
9179 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9180 prepend
= get_tv_string_buf(&argvars
[2], buf
);
9183 rettv
->vval
.v_number
= cs_connection(num
, dbpath
, prepend
);
9185 rettv
->vval
.v_number
= 0;
9190 * "cursor(lnum, col)" function
9192 * Moves the cursor to the specified line and column
9196 f_cursor(argvars
, rettv
)
9201 #ifdef FEAT_VIRTUALEDIT
9205 if (argvars
[1].v_type
== VAR_UNKNOWN
)
9209 if (list2fpos(argvars
, &pos
, NULL
) == FAIL
)
9213 #ifdef FEAT_VIRTUALEDIT
9214 coladd
= pos
.coladd
;
9219 line
= get_tv_lnum(argvars
);
9220 col
= get_tv_number_chk(&argvars
[1], NULL
);
9221 #ifdef FEAT_VIRTUALEDIT
9222 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9223 coladd
= get_tv_number_chk(&argvars
[2], NULL
);
9226 if (line
< 0 || col
< 0
9227 #ifdef FEAT_VIRTUALEDIT
9231 return; /* type error; errmsg already given */
9233 curwin
->w_cursor
.lnum
= line
;
9235 curwin
->w_cursor
.col
= col
- 1;
9236 #ifdef FEAT_VIRTUALEDIT
9237 curwin
->w_cursor
.coladd
= coladd
;
9240 /* Make sure the cursor is in a valid position. */
9243 /* Correct cursor for multi-byte character. */
9248 curwin
->w_set_curswant
= TRUE
;
9252 * "deepcopy()" function
9255 f_deepcopy(argvars
, rettv
)
9261 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
9262 noref
= get_tv_number_chk(&argvars
[1], NULL
);
9263 if (noref
< 0 || noref
> 1)
9266 item_copy(&argvars
[0], rettv
, TRUE
, noref
== 0 ? ++current_copyID
: 0);
9270 * "delete()" function
9273 f_delete(argvars
, rettv
)
9277 if (check_restricted() || check_secure())
9278 rettv
->vval
.v_number
= -1;
9280 rettv
->vval
.v_number
= mch_remove(get_tv_string(&argvars
[0]));
9284 * "did_filetype()" function
9288 f_did_filetype(argvars
, rettv
)
9293 rettv
->vval
.v_number
= did_filetype
;
9295 rettv
->vval
.v_number
= 0;
9300 * "diff_filler()" function
9304 f_diff_filler(argvars
, rettv
)
9309 rettv
->vval
.v_number
= diff_check_fill(curwin
, get_tv_lnum(argvars
));
9314 * "diff_hlID()" function
9318 f_diff_hlID(argvars
, rettv
)
9323 linenr_T lnum
= get_tv_lnum(argvars
);
9324 static linenr_T prev_lnum
= 0;
9325 static int changedtick
= 0;
9326 static int fnum
= 0;
9327 static int change_start
= 0;
9328 static int change_end
= 0;
9329 static hlf_T hlID
= (hlf_T
)0;
9333 if (lnum
< 0) /* ignore type error in {lnum} arg */
9335 if (lnum
!= prev_lnum
9336 || changedtick
!= curbuf
->b_changedtick
9337 || fnum
!= curbuf
->b_fnum
)
9339 /* New line, buffer, change: need to get the values. */
9340 filler_lines
= diff_check(curwin
, lnum
);
9341 if (filler_lines
< 0)
9343 if (filler_lines
== -1)
9345 change_start
= MAXCOL
;
9347 if (diff_find_change(curwin
, lnum
, &change_start
, &change_end
))
9348 hlID
= HLF_ADD
; /* added line */
9350 hlID
= HLF_CHD
; /* changed line */
9353 hlID
= HLF_ADD
; /* added line */
9358 changedtick
= curbuf
->b_changedtick
;
9359 fnum
= curbuf
->b_fnum
;
9362 if (hlID
== HLF_CHD
|| hlID
== HLF_TXD
)
9364 col
= get_tv_number(&argvars
[1]) - 1; /* ignore type error in {col} */
9365 if (col
>= change_start
&& col
<= change_end
)
9366 hlID
= HLF_TXD
; /* changed text */
9368 hlID
= HLF_CHD
; /* changed line */
9370 rettv
->vval
.v_number
= hlID
== (hlf_T
)0 ? 0 : (int)hlID
;
9375 * "empty({expr})" function
9378 f_empty(argvars
, rettv
)
9384 switch (argvars
[0].v_type
)
9388 n
= argvars
[0].vval
.v_string
== NULL
9389 || *argvars
[0].vval
.v_string
== NUL
;
9392 n
= argvars
[0].vval
.v_number
== 0;
9396 n
= argvars
[0].vval
.v_float
== 0.0;
9400 n
= argvars
[0].vval
.v_list
== NULL
9401 || argvars
[0].vval
.v_list
->lv_first
== NULL
;
9404 n
= argvars
[0].vval
.v_dict
== NULL
9405 || argvars
[0].vval
.v_dict
->dv_hashtab
.ht_used
== 0;
9408 EMSG2(_(e_intern2
), "f_empty()");
9412 rettv
->vval
.v_number
= n
;
9416 * "escape({string}, {chars})" function
9419 f_escape(argvars
, rettv
)
9423 char_u buf
[NUMBUFLEN
];
9425 rettv
->vval
.v_string
= vim_strsave_escaped(get_tv_string(&argvars
[0]),
9426 get_tv_string_buf(&argvars
[1], buf
));
9427 rettv
->v_type
= VAR_STRING
;
9435 f_eval(argvars
, rettv
)
9441 s
= get_tv_string_chk(&argvars
[0]);
9445 if (s
== NULL
|| eval1(&s
, rettv
, TRUE
) == FAIL
)
9447 rettv
->v_type
= VAR_NUMBER
;
9448 rettv
->vval
.v_number
= 0;
9451 EMSG(_(e_trailing
));
9455 * "eventhandler()" function
9459 f_eventhandler(argvars
, rettv
)
9463 rettv
->vval
.v_number
= vgetc_busy
;
9467 * "executable()" function
9470 f_executable(argvars
, rettv
)
9474 rettv
->vval
.v_number
= mch_can_exe(get_tv_string(&argvars
[0]));
9478 * "exists()" function
9481 f_exists(argvars
, rettv
)
9490 p
= get_tv_string(&argvars
[0]);
9491 if (*p
== '$') /* environment variable */
9493 /* first try "normal" environment variables (fast) */
9494 if (mch_getenv(p
+ 1) != NULL
)
9498 /* try expanding things like $VIM and ${HOME} */
9499 p
= expand_env_save(p
);
9500 if (p
!= NULL
&& *p
!= '$')
9505 else if (*p
== '&' || *p
== '+') /* option */
9507 n
= (get_option_tv(&p
, NULL
, TRUE
) == OK
);
9508 if (*skipwhite(p
) != NUL
)
9509 n
= FALSE
; /* trailing garbage */
9511 else if (*p
== '*') /* internal or user defined function */
9513 n
= function_exists(p
+ 1);
9517 n
= cmd_exists(p
+ 1);
9523 n
= autocmd_supported(p
+ 2);
9525 n
= au_exists(p
+ 1);
9528 else /* internal variable */
9533 /* get_name_len() takes care of expanding curly braces */
9535 len
= get_name_len(&p
, &tofree
, TRUE
, FALSE
);
9540 n
= (get_var_tv(name
, len
, &tv
, FALSE
) == OK
);
9543 /* handle d.key, l[idx], f(expr) */
9544 n
= (handle_subscript(&p
, &tv
, TRUE
, FALSE
) == OK
);
9555 rettv
->vval
.v_number
= n
;
9559 * "expand()" function
9562 f_expand(argvars
, rettv
)
9569 int flags
= WILD_SILENT
|WILD_USE_NL
|WILD_LIST_NOTFOUND
;
9573 rettv
->v_type
= VAR_STRING
;
9574 s
= get_tv_string(&argvars
[0]);
9575 if (*s
== '%' || *s
== '#' || *s
== '<')
9578 rettv
->vval
.v_string
= eval_vars(s
, s
, &len
, NULL
, &errormsg
, NULL
);
9583 /* When the optional second argument is non-zero, don't remove matches
9584 * for 'wildignore' and don't put matches for 'suffixes' at the end. */
9585 if (argvars
[1].v_type
!= VAR_UNKNOWN
9586 && get_tv_number_chk(&argvars
[1], &error
))
9587 flags
|= WILD_KEEP_ALL
;
9591 xpc
.xp_context
= EXPAND_FILES
;
9592 rettv
->vval
.v_string
= ExpandOne(&xpc
, s
, NULL
, flags
, WILD_ALL
);
9595 rettv
->vval
.v_string
= NULL
;
9600 * "extend(list, list [, idx])" function
9601 * "extend(dict, dict [, action])" function
9604 f_extend(argvars
, rettv
)
9608 rettv
->vval
.v_number
= 0;
9609 if (argvars
[0].v_type
== VAR_LIST
&& argvars
[1].v_type
== VAR_LIST
)
9616 l1
= argvars
[0].vval
.v_list
;
9617 l2
= argvars
[1].vval
.v_list
;
9618 if (l1
!= NULL
&& !tv_check_lock(l1
->lv_lock
, (char_u
*)"extend()")
9621 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9623 before
= get_tv_number_chk(&argvars
[2], &error
);
9625 return; /* type error; errmsg already given */
9627 if (before
== l1
->lv_len
)
9631 item
= list_find(l1
, before
);
9634 EMSGN(_(e_listidx
), before
);
9641 list_extend(l1
, l2
, item
);
9643 copy_tv(&argvars
[0], rettv
);
9646 else if (argvars
[0].v_type
== VAR_DICT
&& argvars
[1].v_type
== VAR_DICT
)
9655 d1
= argvars
[0].vval
.v_dict
;
9656 d2
= argvars
[1].vval
.v_dict
;
9657 if (d1
!= NULL
&& !tv_check_lock(d1
->dv_lock
, (char_u
*)"extend()")
9660 /* Check the third argument. */
9661 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9663 static char *(av
[]) = {"keep", "force", "error"};
9665 action
= get_tv_string_chk(&argvars
[2]);
9667 return; /* type error; errmsg already given */
9668 for (i
= 0; i
< 3; ++i
)
9669 if (STRCMP(action
, av
[i
]) == 0)
9673 EMSG2(_(e_invarg2
), action
);
9678 action
= (char_u
*)"force";
9680 /* Go over all entries in the second dict and add them to the
9682 todo
= (int)d2
->dv_hashtab
.ht_used
;
9683 for (hi2
= d2
->dv_hashtab
.ht_array
; todo
> 0; ++hi2
)
9685 if (!HASHITEM_EMPTY(hi2
))
9688 di1
= dict_find(d1
, hi2
->hi_key
, -1);
9691 di1
= dictitem_copy(HI2DI(hi2
));
9692 if (di1
!= NULL
&& dict_add(d1
, di1
) == FAIL
)
9695 else if (*action
== 'e')
9697 EMSG2(_("E737: Key already exists: %s"), hi2
->hi_key
);
9700 else if (*action
== 'f')
9702 clear_tv(&di1
->di_tv
);
9703 copy_tv(&HI2DI(hi2
)->di_tv
, &di1
->di_tv
);
9708 copy_tv(&argvars
[0], rettv
);
9712 EMSG2(_(e_listdictarg
), "extend()");
9716 * "feedkeys()" function
9720 f_feedkeys(argvars
, rettv
)
9725 char_u
*keys
, *flags
;
9726 char_u nbuf
[NUMBUFLEN
];
9730 /* This is not allowed in the sandbox. If the commands would still be
9731 * executed in the sandbox it would be OK, but it probably happens later,
9732 * when "sandbox" is no longer set. */
9736 rettv
->vval
.v_number
= 0;
9737 keys
= get_tv_string(&argvars
[0]);
9740 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
9742 flags
= get_tv_string_buf(&argvars
[1], nbuf
);
9743 for ( ; *flags
!= NUL
; ++flags
)
9747 case 'n': remap
= FALSE
; break;
9748 case 'm': remap
= TRUE
; break;
9749 case 't': typed
= TRUE
; break;
9754 /* Need to escape K_SPECIAL and CSI before putting the string in the
9755 * typeahead buffer. */
9756 keys_esc
= vim_strsave_escape_csi(keys
);
9757 if (keys_esc
!= NULL
)
9759 ins_typebuf(keys_esc
, (remap
? REMAP_YES
: REMAP_NONE
),
9760 typebuf
.tb_len
, !typed
, FALSE
);
9763 typebuf_was_filled
= TRUE
;
9769 * "filereadable()" function
9772 f_filereadable(argvars
, rettv
)
9781 # define O_NONBLOCK 0
9783 p
= get_tv_string(&argvars
[0]);
9784 if (*p
&& !mch_isdir(p
) && (fd
= mch_open((char *)p
,
9785 O_RDONLY
| O_NONBLOCK
, 0)) >= 0)
9793 rettv
->vval
.v_number
= n
;
9797 * Return 0 for not writable, 1 for writable file, 2 for a dir which we have
9798 * rights to write into.
9801 f_filewritable(argvars
, rettv
)
9805 rettv
->vval
.v_number
= filewritable(get_tv_string(&argvars
[0]));
9808 static void findfilendir
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int find_what
));
9811 findfilendir(argvars
, rettv
, find_what
)
9816 #ifdef FEAT_SEARCHPATH
9818 char_u
*fresult
= NULL
;
9819 char_u
*path
= *curbuf
->b_p_path
== NUL
? p_path
: curbuf
->b_p_path
;
9821 char_u pathbuf
[NUMBUFLEN
];
9827 rettv
->vval
.v_string
= NULL
;
9828 rettv
->v_type
= VAR_STRING
;
9830 #ifdef FEAT_SEARCHPATH
9831 fname
= get_tv_string(&argvars
[0]);
9833 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
9835 p
= get_tv_string_buf_chk(&argvars
[1], pathbuf
);
9843 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
9844 count
= get_tv_number_chk(&argvars
[2], &error
);
9848 if (count
< 0 && rettv_list_alloc(rettv
) == FAIL
)
9851 if (*fname
!= NUL
&& !error
)
9855 if (rettv
->v_type
== VAR_STRING
)
9857 fresult
= find_file_in_path_option(first
? fname
: NULL
,
9858 first
? (int)STRLEN(fname
) : 0,
9862 find_what
== FINDFILE_DIR
9863 ? (char_u
*)"" : curbuf
->b_p_sua
);
9866 if (fresult
!= NULL
&& rettv
->v_type
== VAR_LIST
)
9867 list_append_string(rettv
->vval
.v_list
, fresult
, -1);
9869 } while ((rettv
->v_type
== VAR_LIST
|| --count
> 0) && fresult
!= NULL
);
9872 if (rettv
->v_type
== VAR_STRING
)
9873 rettv
->vval
.v_string
= fresult
;
9877 static void filter_map
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int map
));
9878 static int filter_map_one
__ARGS((typval_T
*tv
, char_u
*expr
, int map
, int *remp
));
9881 * Implementation of map() and filter().
9884 filter_map(argvars
, rettv
, map
)
9889 char_u buf
[NUMBUFLEN
];
9891 listitem_T
*li
, *nli
;
9901 char_u
*ermsg
= map
? (char_u
*)"map()" : (char_u
*)"filter()";
9904 rettv
->vval
.v_number
= 0;
9905 if (argvars
[0].v_type
== VAR_LIST
)
9907 if ((l
= argvars
[0].vval
.v_list
) == NULL
9908 || (map
&& tv_check_lock(l
->lv_lock
, ermsg
)))
9911 else if (argvars
[0].v_type
== VAR_DICT
)
9913 if ((d
= argvars
[0].vval
.v_dict
) == NULL
9914 || (map
&& tv_check_lock(d
->dv_lock
, ermsg
)))
9919 EMSG2(_(e_listdictarg
), ermsg
);
9923 expr
= get_tv_string_buf_chk(&argvars
[1], buf
);
9924 /* On type errors, the preceding call has already displayed an error
9925 * message. Avoid a misleading error message for an empty string that
9926 * was not passed as argument. */
9929 prepare_vimvar(VV_VAL
, &save_val
);
9930 expr
= skipwhite(expr
);
9932 /* We reset "did_emsg" to be able to detect whether an error
9933 * occurred during evaluation of the expression. */
9934 save_did_emsg
= did_emsg
;
9937 if (argvars
[0].v_type
== VAR_DICT
)
9939 prepare_vimvar(VV_KEY
, &save_key
);
9940 vimvars
[VV_KEY
].vv_type
= VAR_STRING
;
9942 ht
= &d
->dv_hashtab
;
9944 todo
= (int)ht
->ht_used
;
9945 for (hi
= ht
->ht_array
; todo
> 0; ++hi
)
9947 if (!HASHITEM_EMPTY(hi
))
9951 if (tv_check_lock(di
->di_tv
.v_lock
, ermsg
))
9953 vimvars
[VV_KEY
].vv_str
= vim_strsave(di
->di_key
);
9954 if (filter_map_one(&di
->di_tv
, expr
, map
, &rem
) == FAIL
9958 dictitem_remove(d
, di
);
9959 clear_tv(&vimvars
[VV_KEY
].vv_tv
);
9964 restore_vimvar(VV_KEY
, &save_key
);
9968 for (li
= l
->lv_first
; li
!= NULL
; li
= nli
)
9970 if (tv_check_lock(li
->li_tv
.v_lock
, ermsg
))
9973 if (filter_map_one(&li
->li_tv
, expr
, map
, &rem
) == FAIL
9977 listitem_remove(l
, li
);
9981 restore_vimvar(VV_VAL
, &save_val
);
9983 did_emsg
|= save_did_emsg
;
9986 copy_tv(&argvars
[0], rettv
);
9990 filter_map_one(tv
, expr
, map
, remp
)
10000 copy_tv(tv
, &vimvars
[VV_VAL
].vv_tv
);
10002 if (eval1(&s
, &rettv
, TRUE
) == FAIL
)
10004 if (*s
!= NUL
) /* check for trailing chars after expr */
10006 EMSG2(_(e_invexpr2
), s
);
10011 /* map(): replace the list item value */
10020 /* filter(): when expr is zero remove the item */
10021 *remp
= (get_tv_number_chk(&rettv
, &error
) == 0);
10023 /* On type error, nothing has been removed; return FAIL to stop the
10024 * loop. The error message was given by get_tv_number_chk(). */
10030 clear_tv(&vimvars
[VV_VAL
].vv_tv
);
10035 * "filter()" function
10038 f_filter(argvars
, rettv
)
10042 filter_map(argvars
, rettv
, FALSE
);
10046 * "finddir({fname}[, {path}[, {count}]])" function
10049 f_finddir(argvars
, rettv
)
10053 findfilendir(argvars
, rettv
, FINDFILE_DIR
);
10057 * "findfile({fname}[, {path}[, {count}]])" function
10060 f_findfile(argvars
, rettv
)
10064 findfilendir(argvars
, rettv
, FINDFILE_FILE
);
10069 * "float2nr({float})" function
10072 f_float2nr(argvars
, rettv
)
10078 if (get_float_arg(argvars
, &f
) == OK
)
10080 if (f
< -0x7fffffff)
10081 rettv
->vval
.v_number
= -0x7fffffff;
10082 else if (f
> 0x7fffffff)
10083 rettv
->vval
.v_number
= 0x7fffffff;
10085 rettv
->vval
.v_number
= (varnumber_T
)f
;
10088 rettv
->vval
.v_number
= 0;
10092 * "floor({float})" function
10095 f_floor(argvars
, rettv
)
10101 rettv
->v_type
= VAR_FLOAT
;
10102 if (get_float_arg(argvars
, &f
) == OK
)
10103 rettv
->vval
.v_float
= floor(f
);
10105 rettv
->vval
.v_float
= 0.0;
10110 * "fnameescape({string})" function
10113 f_fnameescape(argvars
, rettv
)
10117 rettv
->vval
.v_string
= vim_strsave_fnameescape(
10118 get_tv_string(&argvars
[0]), FALSE
);
10119 rettv
->v_type
= VAR_STRING
;
10123 * "fnamemodify({fname}, {mods})" function
10126 f_fnamemodify(argvars
, rettv
)
10134 char_u
*fbuf
= NULL
;
10135 char_u buf
[NUMBUFLEN
];
10137 fname
= get_tv_string_chk(&argvars
[0]);
10138 mods
= get_tv_string_buf_chk(&argvars
[1], buf
);
10139 if (fname
== NULL
|| mods
== NULL
)
10143 len
= (int)STRLEN(fname
);
10144 (void)modify_fname(mods
, &usedlen
, &fname
, &fbuf
, &len
);
10147 rettv
->v_type
= VAR_STRING
;
10149 rettv
->vval
.v_string
= NULL
;
10151 rettv
->vval
.v_string
= vim_strnsave(fname
, len
);
10155 static void foldclosed_both
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int end
));
10158 * "foldclosed()" function
10161 foldclosed_both(argvars
, rettv
, end
)
10166 #ifdef FEAT_FOLDING
10168 linenr_T first
, last
;
10170 lnum
= get_tv_lnum(argvars
);
10171 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
)
10173 if (hasFoldingWin(curwin
, lnum
, &first
, &last
, FALSE
, NULL
))
10176 rettv
->vval
.v_number
= (varnumber_T
)last
;
10178 rettv
->vval
.v_number
= (varnumber_T
)first
;
10183 rettv
->vval
.v_number
= -1;
10187 * "foldclosed()" function
10190 f_foldclosed(argvars
, rettv
)
10194 foldclosed_both(argvars
, rettv
, FALSE
);
10198 * "foldclosedend()" function
10201 f_foldclosedend(argvars
, rettv
)
10205 foldclosed_both(argvars
, rettv
, TRUE
);
10209 * "foldlevel()" function
10212 f_foldlevel(argvars
, rettv
)
10216 #ifdef FEAT_FOLDING
10219 lnum
= get_tv_lnum(argvars
);
10220 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
)
10221 rettv
->vval
.v_number
= foldLevel(lnum
);
10224 rettv
->vval
.v_number
= 0;
10228 * "foldtext()" function
10232 f_foldtext(argvars
, rettv
)
10236 #ifdef FEAT_FOLDING
10244 rettv
->v_type
= VAR_STRING
;
10245 rettv
->vval
.v_string
= NULL
;
10246 #ifdef FEAT_FOLDING
10247 if ((linenr_T
)vimvars
[VV_FOLDSTART
].vv_nr
> 0
10248 && (linenr_T
)vimvars
[VV_FOLDEND
].vv_nr
10249 <= curbuf
->b_ml
.ml_line_count
10250 && vimvars
[VV_FOLDDASHES
].vv_str
!= NULL
)
10252 /* Find first non-empty line in the fold. */
10253 lnum
= (linenr_T
)vimvars
[VV_FOLDSTART
].vv_nr
;
10254 while (lnum
< (linenr_T
)vimvars
[VV_FOLDEND
].vv_nr
)
10256 if (!linewhite(lnum
))
10261 /* Find interesting text in this line. */
10262 s
= skipwhite(ml_get(lnum
));
10263 /* skip C comment-start */
10264 if (s
[0] == '/' && (s
[1] == '*' || s
[1] == '/'))
10266 s
= skipwhite(s
+ 2);
10267 if (*skipwhite(s
) == NUL
10268 && lnum
+ 1 < (linenr_T
)vimvars
[VV_FOLDEND
].vv_nr
)
10270 s
= skipwhite(ml_get(lnum
+ 1));
10272 s
= skipwhite(s
+ 1);
10275 txt
= _("+-%s%3ld lines: ");
10276 r
= alloc((unsigned)(STRLEN(txt
)
10277 + STRLEN(vimvars
[VV_FOLDDASHES
].vv_str
) /* for %s */
10278 + 20 /* for %3ld */
10279 + STRLEN(s
))); /* concatenated */
10282 sprintf((char *)r
, txt
, vimvars
[VV_FOLDDASHES
].vv_str
,
10283 (long)((linenr_T
)vimvars
[VV_FOLDEND
].vv_nr
10284 - (linenr_T
)vimvars
[VV_FOLDSTART
].vv_nr
+ 1));
10285 len
= (int)STRLEN(r
);
10287 /* remove 'foldmarker' and 'commentstring' */
10288 foldtext_cleanup(r
+ len
);
10289 rettv
->vval
.v_string
= r
;
10296 * "foldtextresult(lnum)" function
10300 f_foldtextresult(argvars
, rettv
)
10304 #ifdef FEAT_FOLDING
10308 foldinfo_T foldinfo
;
10312 rettv
->v_type
= VAR_STRING
;
10313 rettv
->vval
.v_string
= NULL
;
10314 #ifdef FEAT_FOLDING
10315 lnum
= get_tv_lnum(argvars
);
10316 /* treat illegal types and illegal string values for {lnum} the same */
10319 fold_count
= foldedCount(curwin
, lnum
, &foldinfo
);
10320 if (fold_count
> 0)
10322 text
= get_foldtext(curwin
, lnum
, lnum
+ fold_count
- 1,
10325 text
= vim_strsave(text
);
10326 rettv
->vval
.v_string
= text
;
10332 * "foreground()" function
10336 f_foreground(argvars
, rettv
)
10340 rettv
->vval
.v_number
= 0;
10343 gui_mch_set_foreground();
10346 win32_set_foreground();
10352 * "function()" function
10356 f_function(argvars
, rettv
)
10362 rettv
->vval
.v_number
= 0;
10363 s
= get_tv_string(&argvars
[0]);
10364 if (s
== NULL
|| *s
== NUL
|| VIM_ISDIGIT(*s
))
10365 EMSG2(_(e_invarg2
), s
);
10366 /* Don't check an autoload name for existence here. */
10367 else if (vim_strchr(s
, AUTOLOAD_CHAR
) == NULL
&& !function_exists(s
))
10368 EMSG2(_("E700: Unknown function: %s"), s
);
10371 rettv
->vval
.v_string
= vim_strsave(s
);
10372 rettv
->v_type
= VAR_FUNC
;
10377 * "garbagecollect()" function
10381 f_garbagecollect(argvars
, rettv
)
10385 /* This is postponed until we are back at the toplevel, because we may be
10386 * using Lists and Dicts internally. E.g.: ":echo [garbagecollect()]". */
10387 want_garbage_collect
= TRUE
;
10389 if (argvars
[0].v_type
!= VAR_UNKNOWN
&& get_tv_number(&argvars
[0]) == 1)
10390 garbage_collect_at_exit
= TRUE
;
10397 f_get(argvars
, rettv
)
10405 typval_T
*tv
= NULL
;
10407 if (argvars
[0].v_type
== VAR_LIST
)
10409 if ((l
= argvars
[0].vval
.v_list
) != NULL
)
10413 li
= list_find(l
, get_tv_number_chk(&argvars
[1], &error
));
10414 if (!error
&& li
!= NULL
)
10418 else if (argvars
[0].v_type
== VAR_DICT
)
10420 if ((d
= argvars
[0].vval
.v_dict
) != NULL
)
10422 di
= dict_find(d
, get_tv_string(&argvars
[1]), -1);
10428 EMSG2(_(e_listdictarg
), "get()");
10432 if (argvars
[2].v_type
== VAR_UNKNOWN
)
10433 rettv
->vval
.v_number
= 0;
10435 copy_tv(&argvars
[2], rettv
);
10438 copy_tv(tv
, rettv
);
10441 static void get_buffer_lines
__ARGS((buf_T
*buf
, linenr_T start
, linenr_T end
, int retlist
, typval_T
*rettv
));
10444 * Get line or list of lines from buffer "buf" into "rettv".
10445 * Return a range (from start to end) of lines in rettv from the specified
10447 * If 'retlist' is TRUE, then the lines are returned as a Vim List.
10450 get_buffer_lines(buf
, start
, end
, retlist
, rettv
)
10461 if (rettv_list_alloc(rettv
) == FAIL
)
10465 rettv
->vval
.v_number
= 0;
10467 if (buf
== NULL
|| buf
->b_ml
.ml_mfp
== NULL
|| start
< 0)
10472 if (start
>= 1 && start
<= buf
->b_ml
.ml_line_count
)
10473 p
= ml_get_buf(buf
, start
, FALSE
);
10477 rettv
->v_type
= VAR_STRING
;
10478 rettv
->vval
.v_string
= vim_strsave(p
);
10487 if (end
> buf
->b_ml
.ml_line_count
)
10488 end
= buf
->b_ml
.ml_line_count
;
10489 while (start
<= end
)
10490 if (list_append_string(rettv
->vval
.v_list
,
10491 ml_get_buf(buf
, start
++, FALSE
), -1) == FAIL
)
10497 * "getbufline()" function
10500 f_getbufline(argvars
, rettv
)
10508 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
10510 buf
= get_buf_tv(&argvars
[0]);
10513 lnum
= get_tv_lnum_buf(&argvars
[1], buf
);
10514 if (argvars
[2].v_type
== VAR_UNKNOWN
)
10517 end
= get_tv_lnum_buf(&argvars
[2], buf
);
10519 get_buffer_lines(buf
, lnum
, end
, TRUE
, rettv
);
10523 * "getbufvar()" function
10526 f_getbufvar(argvars
, rettv
)
10531 buf_T
*save_curbuf
;
10535 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
10536 varname
= get_tv_string_chk(&argvars
[1]);
10538 buf
= get_buf_tv(&argvars
[0]);
10540 rettv
->v_type
= VAR_STRING
;
10541 rettv
->vval
.v_string
= NULL
;
10543 if (buf
!= NULL
&& varname
!= NULL
)
10545 /* set curbuf to be our buf, temporarily */
10546 save_curbuf
= curbuf
;
10549 if (*varname
== '&') /* buffer-local-option */
10550 get_option_tv(&varname
, rettv
, TRUE
);
10553 if (*varname
== NUL
)
10554 /* let getbufvar({nr}, "") return the "b:" dictionary. The
10555 * scope prefix before the NUL byte is required by
10556 * find_var_in_ht(). */
10557 varname
= (char_u
*)"b:" + 2;
10558 /* look up the variable */
10559 v
= find_var_in_ht(&curbuf
->b_vars
.dv_hashtab
, varname
, FALSE
);
10561 copy_tv(&v
->di_tv
, rettv
);
10564 /* restore previous notion of curbuf */
10565 curbuf
= save_curbuf
;
10572 * "getchar()" function
10575 f_getchar(argvars
, rettv
)
10582 /* Position the cursor. Needed after a message that ends in a space. */
10583 windgoto(msg_row
, msg_col
);
10589 if (argvars
[0].v_type
== VAR_UNKNOWN
)
10590 /* getchar(): blocking wait. */
10592 else if (get_tv_number_chk(&argvars
[0], &error
) == 1)
10593 /* getchar(1): only check if char avail */
10595 else if (error
|| vpeekc() == NUL
)
10596 /* illegal argument or getchar(0) and no char avail: return zero */
10599 /* getchar(0) and char avail: return char */
10608 vimvars
[VV_MOUSE_WIN
].vv_nr
= 0;
10609 vimvars
[VV_MOUSE_LNUM
].vv_nr
= 0;
10610 vimvars
[VV_MOUSE_COL
].vv_nr
= 0;
10612 rettv
->vval
.v_number
= n
;
10613 if (IS_SPECIAL(n
) || mod_mask
!= 0)
10615 char_u temp
[10]; /* modifier: 3, mbyte-char: 6, NUL: 1 */
10618 /* Turn a special key into three bytes, plus modifier. */
10621 temp
[i
++] = K_SPECIAL
;
10622 temp
[i
++] = KS_MODIFIER
;
10623 temp
[i
++] = mod_mask
;
10627 temp
[i
++] = K_SPECIAL
;
10628 temp
[i
++] = K_SECOND(n
);
10629 temp
[i
++] = K_THIRD(n
);
10632 else if (has_mbyte
)
10633 i
+= (*mb_char2bytes
)(n
, temp
+ i
);
10638 rettv
->v_type
= VAR_STRING
;
10639 rettv
->vval
.v_string
= vim_strsave(temp
);
10642 if (n
== K_LEFTMOUSE
10643 || n
== K_LEFTMOUSE_NM
10645 || n
== K_LEFTRELEASE
10646 || n
== K_LEFTRELEASE_NM
10647 || n
== K_MIDDLEMOUSE
10648 || n
== K_MIDDLEDRAG
10649 || n
== K_MIDDLERELEASE
10650 || n
== K_RIGHTMOUSE
10651 || n
== K_RIGHTDRAG
10652 || n
== K_RIGHTRELEASE
10655 || n
== K_X1RELEASE
10658 || n
== K_X2RELEASE
10659 || n
== K_MOUSEDOWN
10662 int row
= mouse_row
;
10663 int col
= mouse_col
;
10666 # ifdef FEAT_WINDOWS
10671 if (row
>= 0 && col
>= 0)
10673 /* Find the window at the mouse coordinates and compute the
10674 * text position. */
10675 win
= mouse_find_win(&row
, &col
);
10676 (void)mouse_comp_pos(win
, &row
, &col
, &lnum
);
10677 # ifdef FEAT_WINDOWS
10678 for (wp
= firstwin
; wp
!= win
; wp
= wp
->w_next
)
10681 vimvars
[VV_MOUSE_WIN
].vv_nr
= winnr
;
10682 vimvars
[VV_MOUSE_LNUM
].vv_nr
= lnum
;
10683 vimvars
[VV_MOUSE_COL
].vv_nr
= col
+ 1;
10691 * "getcharmod()" function
10695 f_getcharmod(argvars
, rettv
)
10699 rettv
->vval
.v_number
= mod_mask
;
10703 * "getcmdline()" function
10707 f_getcmdline(argvars
, rettv
)
10711 rettv
->v_type
= VAR_STRING
;
10712 rettv
->vval
.v_string
= get_cmdline_str();
10716 * "getcmdpos()" function
10720 f_getcmdpos(argvars
, rettv
)
10724 rettv
->vval
.v_number
= get_cmdline_pos() + 1;
10728 * "getcmdtype()" function
10732 f_getcmdtype(argvars
, rettv
)
10736 rettv
->v_type
= VAR_STRING
;
10737 rettv
->vval
.v_string
= alloc(2);
10738 if (rettv
->vval
.v_string
!= NULL
)
10740 rettv
->vval
.v_string
[0] = get_cmdline_type();
10741 rettv
->vval
.v_string
[1] = NUL
;
10746 * "getcwd()" function
10750 f_getcwd(argvars
, rettv
)
10754 char_u cwd
[MAXPATHL
];
10756 rettv
->v_type
= VAR_STRING
;
10757 if (mch_dirname(cwd
, MAXPATHL
) == FAIL
)
10758 rettv
->vval
.v_string
= NULL
;
10761 rettv
->vval
.v_string
= vim_strsave(cwd
);
10762 #ifdef BACKSLASH_IN_FILENAME
10763 if (rettv
->vval
.v_string
!= NULL
)
10764 slash_adjust(rettv
->vval
.v_string
);
10770 * "getfontname()" function
10774 f_getfontname(argvars
, rettv
)
10778 rettv
->v_type
= VAR_STRING
;
10779 rettv
->vval
.v_string
= NULL
;
10784 char_u
*name
= NULL
;
10786 if (argvars
[0].v_type
== VAR_UNKNOWN
)
10788 /* Get the "Normal" font. Either the name saved by
10789 * hl_set_font_name() or from the font ID. */
10790 font
= gui
.norm_font
;
10791 name
= hl_get_font_name();
10795 name
= get_tv_string(&argvars
[0]);
10796 if (STRCMP(name
, "*") == 0) /* don't use font dialog */
10798 font
= gui_mch_get_font(name
, FALSE
);
10799 if (font
== NOFONT
)
10800 return; /* Invalid font name, return empty string. */
10802 rettv
->vval
.v_string
= gui_mch_get_fontname(font
, name
);
10803 if (argvars
[0].v_type
!= VAR_UNKNOWN
)
10804 gui_mch_free_font(font
);
10810 * "getfperm({fname})" function
10813 f_getfperm(argvars
, rettv
)
10819 char_u
*perm
= NULL
;
10820 char_u flags
[] = "rwx";
10823 fname
= get_tv_string(&argvars
[0]);
10825 rettv
->v_type
= VAR_STRING
;
10826 if (mch_stat((char *)fname
, &st
) >= 0)
10828 perm
= vim_strsave((char_u
*)"---------");
10831 for (i
= 0; i
< 9; i
++)
10833 if (st
.st_mode
& (1 << (8 - i
)))
10834 perm
[i
] = flags
[i
% 3];
10838 rettv
->vval
.v_string
= perm
;
10842 * "getfsize({fname})" function
10845 f_getfsize(argvars
, rettv
)
10852 fname
= get_tv_string(&argvars
[0]);
10854 rettv
->v_type
= VAR_NUMBER
;
10856 if (mch_stat((char *)fname
, &st
) >= 0)
10858 if (mch_isdir(fname
))
10859 rettv
->vval
.v_number
= 0;
10862 rettv
->vval
.v_number
= (varnumber_T
)st
.st_size
;
10864 /* non-perfect check for overflow */
10865 if ((off_t
)rettv
->vval
.v_number
!= (off_t
)st
.st_size
)
10866 rettv
->vval
.v_number
= -2;
10870 rettv
->vval
.v_number
= -1;
10874 * "getftime({fname})" function
10877 f_getftime(argvars
, rettv
)
10884 fname
= get_tv_string(&argvars
[0]);
10886 if (mch_stat((char *)fname
, &st
) >= 0)
10887 rettv
->vval
.v_number
= (varnumber_T
)st
.st_mtime
;
10889 rettv
->vval
.v_number
= -1;
10893 * "getftype({fname})" function
10896 f_getftype(argvars
, rettv
)
10902 char_u
*type
= NULL
;
10905 fname
= get_tv_string(&argvars
[0]);
10907 rettv
->v_type
= VAR_STRING
;
10908 if (mch_lstat((char *)fname
, &st
) >= 0)
10911 if (S_ISREG(st
.st_mode
))
10913 else if (S_ISDIR(st
.st_mode
))
10916 else if (S_ISLNK(st
.st_mode
))
10920 else if (S_ISBLK(st
.st_mode
))
10924 else if (S_ISCHR(st
.st_mode
))
10928 else if (S_ISFIFO(st
.st_mode
))
10932 else if (S_ISSOCK(st
.st_mode
))
10939 switch (st
.st_mode
& S_IFMT
)
10941 case S_IFREG
: t
= "file"; break;
10942 case S_IFDIR
: t
= "dir"; break;
10944 case S_IFLNK
: t
= "link"; break;
10947 case S_IFBLK
: t
= "bdev"; break;
10950 case S_IFCHR
: t
= "cdev"; break;
10953 case S_IFIFO
: t
= "fifo"; break;
10956 case S_IFSOCK
: t
= "socket"; break;
10958 default: t
= "other";
10961 if (mch_isdir(fname
))
10967 type
= vim_strsave((char_u
*)t
);
10969 rettv
->vval
.v_string
= type
;
10973 * "getline(lnum, [end])" function
10976 f_getline(argvars
, rettv
)
10984 lnum
= get_tv_lnum(argvars
);
10985 if (argvars
[1].v_type
== VAR_UNKNOWN
)
10992 end
= get_tv_lnum(&argvars
[1]);
10996 get_buffer_lines(curbuf
, lnum
, end
, retlist
, rettv
);
11000 * "getmatches()" function
11004 f_getmatches(argvars
, rettv
)
11008 #ifdef FEAT_SEARCH_EXTRA
11010 matchitem_T
*cur
= curwin
->w_match_head
;
11012 rettv
->vval
.v_number
= 0;
11014 if (rettv_list_alloc(rettv
) == OK
)
11016 while (cur
!= NULL
)
11018 dict
= dict_alloc();
11021 dict_add_nr_str(dict
, "group", 0L, syn_id2name(cur
->hlg_id
));
11022 dict_add_nr_str(dict
, "pattern", 0L, cur
->pattern
);
11023 dict_add_nr_str(dict
, "priority", (long)cur
->priority
, NULL
);
11024 dict_add_nr_str(dict
, "id", (long)cur
->id
, NULL
);
11025 list_append_dict(rettv
->vval
.v_list
, dict
);
11033 * "getpid()" function
11037 f_getpid(argvars
, rettv
)
11041 rettv
->vval
.v_number
= mch_get_pid();
11045 * "getpos(string)" function
11048 f_getpos(argvars
, rettv
)
11056 if (rettv_list_alloc(rettv
) == OK
)
11058 l
= rettv
->vval
.v_list
;
11059 fp
= var2fpos(&argvars
[0], TRUE
, &fnum
);
11061 list_append_number(l
, (varnumber_T
)fnum
);
11063 list_append_number(l
, (varnumber_T
)0);
11064 list_append_number(l
, (fp
!= NULL
) ? (varnumber_T
)fp
->lnum
11066 list_append_number(l
, (fp
!= NULL
)
11067 ? (varnumber_T
)(fp
->col
== MAXCOL
? MAXCOL
: fp
->col
+ 1)
11069 list_append_number(l
,
11070 #ifdef FEAT_VIRTUALEDIT
11071 (fp
!= NULL
) ? (varnumber_T
)fp
->coladd
:
11076 rettv
->vval
.v_number
= FALSE
;
11080 * "getqflist()" and "getloclist()" functions
11084 f_getqflist(argvars
, rettv
)
11088 #ifdef FEAT_QUICKFIX
11092 rettv
->vval
.v_number
= 0;
11093 #ifdef FEAT_QUICKFIX
11094 if (rettv_list_alloc(rettv
) == OK
)
11097 if (argvars
[0].v_type
!= VAR_UNKNOWN
) /* getloclist() */
11099 wp
= find_win_by_nr(&argvars
[0], NULL
);
11104 (void)get_errorlist(wp
, rettv
->vval
.v_list
);
11110 * "getreg()" function
11113 f_getreg(argvars
, rettv
)
11117 char_u
*strregname
;
11122 if (argvars
[0].v_type
!= VAR_UNKNOWN
)
11124 strregname
= get_tv_string_chk(&argvars
[0]);
11125 error
= strregname
== NULL
;
11126 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
11127 arg2
= get_tv_number_chk(&argvars
[1], &error
);
11130 strregname
= vimvars
[VV_REG
].vv_str
;
11131 regname
= (strregname
== NULL
? '"' : *strregname
);
11135 rettv
->v_type
= VAR_STRING
;
11136 rettv
->vval
.v_string
= error
? NULL
:
11137 get_reg_contents(regname
, TRUE
, arg2
);
11141 * "getregtype()" function
11144 f_getregtype(argvars
, rettv
)
11148 char_u
*strregname
;
11150 char_u buf
[NUMBUFLEN
+ 2];
11153 if (argvars
[0].v_type
!= VAR_UNKNOWN
)
11155 strregname
= get_tv_string_chk(&argvars
[0]);
11156 if (strregname
== NULL
) /* type error; errmsg already given */
11158 rettv
->v_type
= VAR_STRING
;
11159 rettv
->vval
.v_string
= NULL
;
11164 /* Default to v:register */
11165 strregname
= vimvars
[VV_REG
].vv_str
;
11167 regname
= (strregname
== NULL
? '"' : *strregname
);
11173 switch (get_reg_type(regname
, ®len
))
11175 case MLINE
: buf
[0] = 'V'; break;
11176 case MCHAR
: buf
[0] = 'v'; break;
11180 sprintf((char *)buf
+ 1, "%ld", reglen
+ 1);
11184 rettv
->v_type
= VAR_STRING
;
11185 rettv
->vval
.v_string
= vim_strsave(buf
);
11189 * "gettabwinvar()" function
11192 f_gettabwinvar(argvars
, rettv
)
11196 getwinvar(argvars
, rettv
, 1);
11200 * "getwinposx()" function
11204 f_getwinposx(argvars
, rettv
)
11208 rettv
->vval
.v_number
= -1;
11214 if (gui_mch_get_winpos(&x
, &y
) == OK
)
11215 rettv
->vval
.v_number
= x
;
11221 * "getwinposy()" function
11225 f_getwinposy(argvars
, rettv
)
11229 rettv
->vval
.v_number
= -1;
11235 if (gui_mch_get_winpos(&x
, &y
) == OK
)
11236 rettv
->vval
.v_number
= y
;
11242 * Find window specified by "vp" in tabpage "tp".
11245 find_win_by_nr(vp
, tp
)
11247 tabpage_T
*tp
; /* NULL for current tab page */
11249 #ifdef FEAT_WINDOWS
11254 nr
= get_tv_number_chk(vp
, NULL
);
11256 #ifdef FEAT_WINDOWS
11262 for (wp
= (tp
== NULL
|| tp
== curtab
) ? firstwin
: tp
->tp_firstwin
;
11263 wp
!= NULL
; wp
= wp
->w_next
)
11268 if (nr
== 0 || nr
== 1)
11275 * "getwinvar()" function
11278 f_getwinvar(argvars
, rettv
)
11282 getwinvar(argvars
, rettv
, 0);
11286 * getwinvar() and gettabwinvar()
11289 getwinvar(argvars
, rettv
, off
)
11292 int off
; /* 1 for gettabwinvar() */
11294 win_T
*win
, *oldcurwin
;
11299 #ifdef FEAT_WINDOWS
11301 tp
= find_tabpage((int)get_tv_number_chk(&argvars
[0], NULL
));
11305 win
= find_win_by_nr(&argvars
[off
], tp
);
11306 varname
= get_tv_string_chk(&argvars
[off
+ 1]);
11309 rettv
->v_type
= VAR_STRING
;
11310 rettv
->vval
.v_string
= NULL
;
11312 if (win
!= NULL
&& varname
!= NULL
)
11314 /* Set curwin to be our win, temporarily. Also set curbuf, so
11315 * that we can get buffer-local options. */
11316 oldcurwin
= curwin
;
11318 curbuf
= win
->w_buffer
;
11320 if (*varname
== '&') /* window-local-option */
11321 get_option_tv(&varname
, rettv
, 1);
11324 if (*varname
== NUL
)
11325 /* let getwinvar({nr}, "") return the "w:" dictionary. The
11326 * scope prefix before the NUL byte is required by
11327 * find_var_in_ht(). */
11328 varname
= (char_u
*)"w:" + 2;
11329 /* look up the variable */
11330 v
= find_var_in_ht(&win
->w_vars
.dv_hashtab
, varname
, FALSE
);
11332 copy_tv(&v
->di_tv
, rettv
);
11335 /* restore previous notion of curwin */
11336 curwin
= oldcurwin
;
11337 curbuf
= curwin
->w_buffer
;
11344 * "glob()" function
11347 f_glob(argvars
, rettv
)
11351 int flags
= WILD_SILENT
|WILD_USE_NL
;
11355 /* When the optional second argument is non-zero, don't remove matches
11356 * for 'wildignore' and don't put matches for 'suffixes' at the end. */
11357 if (argvars
[1].v_type
!= VAR_UNKNOWN
11358 && get_tv_number_chk(&argvars
[1], &error
))
11359 flags
|= WILD_KEEP_ALL
;
11360 rettv
->v_type
= VAR_STRING
;
11364 xpc
.xp_context
= EXPAND_FILES
;
11365 rettv
->vval
.v_string
= ExpandOne(&xpc
, get_tv_string(&argvars
[0]),
11366 NULL
, flags
, WILD_ALL
);
11369 rettv
->vval
.v_string
= NULL
;
11373 * "globpath()" function
11376 f_globpath(argvars
, rettv
)
11381 char_u buf1
[NUMBUFLEN
];
11382 char_u
*file
= get_tv_string_buf_chk(&argvars
[1], buf1
);
11385 /* When the optional second argument is non-zero, don't remove matches
11386 * for 'wildignore' and don't put matches for 'suffixes' at the end. */
11387 if (argvars
[2].v_type
!= VAR_UNKNOWN
11388 && get_tv_number_chk(&argvars
[2], &error
))
11389 flags
|= WILD_KEEP_ALL
;
11390 rettv
->v_type
= VAR_STRING
;
11391 if (file
== NULL
|| error
)
11392 rettv
->vval
.v_string
= NULL
;
11394 rettv
->vval
.v_string
= globpath(get_tv_string(&argvars
[0]), file
,
11402 f_has(argvars
, rettv
)
11409 static char *(has_list
[]) =
11430 #if defined(MACOS_X_UNIX)
11454 #if defined(UNIX) && (defined(__CYGWIN32__) || defined(__CYGWIN__))
11463 #ifndef CASE_INSENSITIVE_FILENAME
11469 #ifdef FEAT_AUTOCMD
11474 # ifndef FEAT_GUI_W32 /* other GUIs always have multiline balloons */
11475 "balloon_multiline",
11478 #if defined(SOME_BUILTIN_TCAPS) || defined(ALL_BUILTIN_TCAPS)
11480 # ifdef ALL_BUILTIN_TCAPS
11481 "all_builtin_terms",
11484 #ifdef FEAT_BYTEOFF
11487 #ifdef FEAT_CINDENT
11490 #ifdef FEAT_CLIENTSERVER
11493 #ifdef FEAT_CLIPBOARD
11496 #ifdef FEAT_CMDL_COMPL
11499 #ifdef FEAT_CMDHIST
11502 #ifdef FEAT_COMMENTS
11511 #ifdef CURSOR_SHAPE
11517 #ifdef FEAT_CON_DIALOG
11520 #ifdef FEAT_GUI_DIALOG
11526 #ifdef FEAT_DIGRAPHS
11532 #ifdef FEAT_EMACS_TAGS
11535 "eval", /* always present, of course! */
11536 #ifdef FEAT_EX_EXTRA
11539 #ifdef FEAT_SEARCH_EXTRA
11545 #ifdef FEAT_SEARCHPATH
11548 #if defined(UNIX) && !defined(USE_SYSTEM)
11551 #ifdef FEAT_FIND_ID
11557 #ifdef FEAT_FOLDING
11563 #if !defined(USE_SYSTEM) && defined(UNIX)
11566 #ifdef FEAT_GETTEXT
11572 #ifdef FEAT_GUI_ATHENA
11573 # ifdef FEAT_GUI_NEXTAW
11579 #ifdef FEAT_GUI_GTK
11585 #ifdef FEAT_GUI_GNOME
11588 #ifdef FEAT_GUI_MAC
11591 #ifdef FEAT_GUI_MOTIF
11594 #ifdef FEAT_GUI_PHOTON
11597 #ifdef FEAT_GUI_W16
11600 #ifdef FEAT_GUI_W32
11603 #ifdef FEAT_HANGULIN
11606 #if defined(HAVE_ICONV_H) && defined(USE_ICONV)
11609 #ifdef FEAT_INS_EXPAND
11612 #ifdef FEAT_JUMPLIST
11618 #ifdef FEAT_LANGMAP
11621 #ifdef FEAT_LIBCALL
11624 #ifdef FEAT_LINEBREAK
11630 #ifdef FEAT_LISTCMDS
11633 #ifdef FEAT_LOCALMAP
11639 #ifdef FEAT_SESSION
11642 #ifdef FEAT_MODIFY_FNAME
11648 #ifdef FEAT_MOUSESHAPE
11651 #if defined(UNIX) || defined(VMS)
11652 # ifdef FEAT_MOUSE_DEC
11655 # ifdef FEAT_MOUSE_GPM
11658 # ifdef FEAT_MOUSE_JSB
11661 # ifdef FEAT_MOUSE_NET
11664 # ifdef FEAT_MOUSE_PTERM
11667 # ifdef FEAT_SYSMOUSE
11670 # ifdef FEAT_MOUSE_XTERM
11677 #ifdef FEAT_MBYTE_IME
11680 #ifdef FEAT_MULTI_LANG
11683 #ifdef FEAT_MZSCHEME
11684 #ifndef DYNAMIC_MZSCHEME
11691 #ifdef FEAT_OSFILETYPE
11694 #ifdef FEAT_PATH_EXTRA
11698 #ifndef DYNAMIC_PERL
11703 #ifndef DYNAMIC_PYTHON
11707 #ifdef FEAT_POSTSCRIPT
11710 #ifdef FEAT_PRINTER
11713 #ifdef FEAT_PROFILE
11716 #ifdef FEAT_RELTIME
11719 #ifdef FEAT_QUICKFIX
11722 #ifdef FEAT_RIGHTLEFT
11725 #if defined(FEAT_RUBY) && !defined(DYNAMIC_RUBY)
11728 #ifdef FEAT_SCROLLBIND
11731 #ifdef FEAT_CMDL_INFO
11738 #ifdef FEAT_SMARTINDENT
11744 #ifdef FEAT_STL_OPT
11747 #ifdef FEAT_SUN_WORKSHOP
11750 #ifdef FEAT_NETBEANS_INTG
11759 #if defined(USE_SYSTEM) || !defined(UNIX)
11762 #ifdef FEAT_TAG_BINS
11765 #ifdef FEAT_TAG_OLDSTATIC
11768 #ifdef FEAT_TAG_ANYWHITE
11772 # ifndef DYNAMIC_TCL
11779 #ifdef FEAT_TERMRESPONSE
11782 #ifdef FEAT_TEXTOBJ
11785 #ifdef HAVE_TGETENT
11791 #ifdef FEAT_TOOLBAR
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 rettv
->vval
.v_number
= 0;
11939 if (argvars
[0].v_type
!= VAR_DICT
)
11941 EMSG(_(e_dictreq
));
11944 if (argvars
[0].vval
.v_dict
== NULL
)
11947 rettv
->vval
.v_number
= dict_find(argvars
[0].vval
.v_dict
,
11948 get_tv_string(&argvars
[1]), -1) != NULL
;
11952 * "haslocaldir()" function
11956 f_haslocaldir(argvars
, rettv
)
11960 rettv
->vval
.v_number
= (curwin
->w_localdir
!= NULL
);
11964 * "hasmapto()" function
11967 f_hasmapto(argvars
, rettv
)
11973 char_u buf
[NUMBUFLEN
];
11976 name
= get_tv_string(&argvars
[0]);
11977 if (argvars
[1].v_type
== VAR_UNKNOWN
)
11978 mode
= (char_u
*)"nvo";
11981 mode
= get_tv_string_buf(&argvars
[1], buf
);
11982 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
11983 abbr
= get_tv_number(&argvars
[2]);
11986 if (map_to_exists(name
, mode
, abbr
))
11987 rettv
->vval
.v_number
= TRUE
;
11989 rettv
->vval
.v_number
= FALSE
;
11993 * "histadd()" function
11997 f_histadd(argvars
, rettv
)
12001 #ifdef FEAT_CMDHIST
12004 char_u buf
[NUMBUFLEN
];
12007 rettv
->vval
.v_number
= FALSE
;
12008 if (check_restricted() || check_secure())
12010 #ifdef FEAT_CMDHIST
12011 str
= get_tv_string_chk(&argvars
[0]); /* NULL on type error */
12012 histype
= str
!= NULL
? get_histtype(str
) : -1;
12015 str
= get_tv_string_buf(&argvars
[1], buf
);
12018 add_to_history(histype
, str
, FALSE
, NUL
);
12019 rettv
->vval
.v_number
= TRUE
;
12027 * "histdel()" function
12031 f_histdel(argvars
, rettv
)
12035 #ifdef FEAT_CMDHIST
12037 char_u buf
[NUMBUFLEN
];
12040 str
= get_tv_string_chk(&argvars
[0]); /* NULL on type error */
12043 else if (argvars
[1].v_type
== VAR_UNKNOWN
)
12044 /* only one argument: clear entire history */
12045 n
= clr_history(get_histtype(str
));
12046 else if (argvars
[1].v_type
== VAR_NUMBER
)
12047 /* index given: remove that entry */
12048 n
= del_history_idx(get_histtype(str
),
12049 (int)get_tv_number(&argvars
[1]));
12051 /* string given: remove all matching entries */
12052 n
= del_history_entry(get_histtype(str
),
12053 get_tv_string_buf(&argvars
[1], buf
));
12054 rettv
->vval
.v_number
= n
;
12056 rettv
->vval
.v_number
= 0;
12061 * "histget()" function
12065 f_histget(argvars
, rettv
)
12069 #ifdef FEAT_CMDHIST
12074 str
= get_tv_string_chk(&argvars
[0]); /* NULL on type error */
12076 rettv
->vval
.v_string
= NULL
;
12079 type
= get_histtype(str
);
12080 if (argvars
[1].v_type
== VAR_UNKNOWN
)
12081 idx
= get_history_idx(type
);
12083 idx
= (int)get_tv_number_chk(&argvars
[1], NULL
);
12084 /* -1 on type error */
12085 rettv
->vval
.v_string
= vim_strsave(get_history_entry(type
, idx
));
12088 rettv
->vval
.v_string
= NULL
;
12090 rettv
->v_type
= VAR_STRING
;
12094 * "histnr()" function
12098 f_histnr(argvars
, rettv
)
12104 #ifdef FEAT_CMDHIST
12105 char_u
*history
= get_tv_string_chk(&argvars
[0]);
12107 i
= history
== NULL
? HIST_CMD
- 1 : get_histtype(history
);
12108 if (i
>= HIST_CMD
&& i
< HIST_COUNT
)
12109 i
= get_history_idx(i
);
12113 rettv
->vval
.v_number
= i
;
12117 * "highlightID(name)" function
12120 f_hlID(argvars
, rettv
)
12124 rettv
->vval
.v_number
= syn_name2id(get_tv_string(&argvars
[0]));
12128 * "highlight_exists()" function
12131 f_hlexists(argvars
, rettv
)
12135 rettv
->vval
.v_number
= highlight_exists(get_tv_string(&argvars
[0]));
12139 * "hostname()" function
12143 f_hostname(argvars
, rettv
)
12147 char_u hostname
[256];
12149 mch_get_host_name(hostname
, 256);
12150 rettv
->v_type
= VAR_STRING
;
12151 rettv
->vval
.v_string
= vim_strsave(hostname
);
12159 f_iconv(argvars
, rettv
)
12164 char_u buf1
[NUMBUFLEN
];
12165 char_u buf2
[NUMBUFLEN
];
12166 char_u
*from
, *to
, *str
;
12170 rettv
->v_type
= VAR_STRING
;
12171 rettv
->vval
.v_string
= NULL
;
12174 str
= get_tv_string(&argvars
[0]);
12175 from
= enc_canonize(enc_skip(get_tv_string_buf(&argvars
[1], buf1
)));
12176 to
= enc_canonize(enc_skip(get_tv_string_buf(&argvars
[2], buf2
)));
12177 vimconv
.vc_type
= CONV_NONE
;
12178 convert_setup(&vimconv
, from
, to
);
12180 /* If the encodings are equal, no conversion needed. */
12181 if (vimconv
.vc_type
== CONV_NONE
)
12182 rettv
->vval
.v_string
= vim_strsave(str
);
12184 rettv
->vval
.v_string
= string_convert(&vimconv
, str
, NULL
);
12186 convert_setup(&vimconv
, NULL
, NULL
);
12193 * "indent()" function
12196 f_indent(argvars
, rettv
)
12202 lnum
= get_tv_lnum(argvars
);
12203 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
)
12204 rettv
->vval
.v_number
= get_indent_lnum(lnum
);
12206 rettv
->vval
.v_number
= -1;
12210 * "index()" function
12213 f_index(argvars
, rettv
)
12222 rettv
->vval
.v_number
= -1;
12223 if (argvars
[0].v_type
!= VAR_LIST
)
12225 EMSG(_(e_listreq
));
12228 l
= argvars
[0].vval
.v_list
;
12231 item
= l
->lv_first
;
12232 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
12236 /* Start at specified item. Use the cached index that list_find()
12237 * sets, so that a negative number also works. */
12238 item
= list_find(l
, get_tv_number_chk(&argvars
[2], &error
));
12240 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
12241 ic
= get_tv_number_chk(&argvars
[3], &error
);
12246 for ( ; item
!= NULL
; item
= item
->li_next
, ++idx
)
12247 if (tv_equal(&item
->li_tv
, &argvars
[1], ic
))
12249 rettv
->vval
.v_number
= idx
;
12255 static int inputsecret_flag
= 0;
12257 static void get_user_input
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int inputdialog
));
12260 * This function is used by f_input() and f_inputdialog() functions. The third
12261 * argument to f_input() specifies the type of completion to use at the
12262 * prompt. The third argument to f_inputdialog() specifies the value to return
12263 * when the user cancels the prompt.
12266 get_user_input(argvars
, rettv
, inputdialog
)
12271 char_u
*prompt
= get_tv_string_chk(&argvars
[0]);
12274 char_u buf
[NUMBUFLEN
];
12275 int cmd_silent_save
= cmd_silent
;
12276 char_u
*defstr
= (char_u
*)"";
12277 int xp_type
= EXPAND_NOTHING
;
12278 char_u
*xp_arg
= NULL
;
12280 rettv
->v_type
= VAR_STRING
;
12281 rettv
->vval
.v_string
= NULL
;
12283 #ifdef NO_CONSOLE_INPUT
12284 /* While starting up, there is no place to enter text. */
12285 if (no_console_input())
12289 cmd_silent
= FALSE
; /* Want to see the prompt. */
12290 if (prompt
!= NULL
)
12292 /* Only the part of the message after the last NL is considered as
12293 * prompt for the command line */
12294 p
= vim_strrchr(prompt
, '\n');
12304 msg_puts_attr(prompt
, echo_attr
);
12305 msg_didout
= FALSE
;
12309 cmdline_row
= msg_row
;
12311 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
12313 defstr
= get_tv_string_buf_chk(&argvars
[1], buf
);
12314 if (defstr
!= NULL
)
12315 stuffReadbuffSpec(defstr
);
12317 if (!inputdialog
&& argvars
[2].v_type
!= VAR_UNKNOWN
)
12323 rettv
->vval
.v_string
= NULL
;
12325 xp_name
= get_tv_string_buf_chk(&argvars
[2], buf
);
12326 if (xp_name
== NULL
)
12329 xp_namelen
= (int)STRLEN(xp_name
);
12331 if (parse_compl_arg(xp_name
, xp_namelen
, &xp_type
, &argt
,
12337 if (defstr
!= NULL
)
12338 rettv
->vval
.v_string
=
12339 getcmdline_prompt(inputsecret_flag
? NUL
: '@', p
, echo_attr
,
12344 /* since the user typed this, no need to wait for return */
12345 need_wait_return
= FALSE
;
12346 msg_didout
= FALSE
;
12348 cmd_silent
= cmd_silent_save
;
12352 * "input()" function
12353 * Also handles inputsecret() when inputsecret is set.
12356 f_input(argvars
, rettv
)
12360 get_user_input(argvars
, rettv
, FALSE
);
12364 * "inputdialog()" function
12367 f_inputdialog(argvars
, rettv
)
12371 #if defined(FEAT_GUI_TEXTDIALOG)
12372 /* Use a GUI dialog if the GUI is running and 'c' is not in 'guioptions' */
12373 if (gui
.in_use
&& vim_strchr(p_go
, GO_CONDIALOG
) == NULL
)
12376 char_u buf
[NUMBUFLEN
];
12377 char_u
*defstr
= (char_u
*)"";
12379 message
= get_tv_string_chk(&argvars
[0]);
12380 if (argvars
[1].v_type
!= VAR_UNKNOWN
12381 && (defstr
= get_tv_string_buf_chk(&argvars
[1], buf
)) != NULL
)
12382 vim_strncpy(IObuff
, defstr
, IOSIZE
- 1);
12385 if (message
!= NULL
&& defstr
!= NULL
12386 && do_dialog(VIM_QUESTION
, NULL
, message
,
12387 (char_u
*)_("&OK\n&Cancel"), 1, IObuff
) == 1)
12388 rettv
->vval
.v_string
= vim_strsave(IObuff
);
12391 if (message
!= NULL
&& defstr
!= NULL
12392 && argvars
[1].v_type
!= VAR_UNKNOWN
12393 && argvars
[2].v_type
!= VAR_UNKNOWN
)
12394 rettv
->vval
.v_string
= vim_strsave(
12395 get_tv_string_buf(&argvars
[2], buf
));
12397 rettv
->vval
.v_string
= NULL
;
12399 rettv
->v_type
= VAR_STRING
;
12403 get_user_input(argvars
, rettv
, TRUE
);
12407 * "inputlist()" function
12410 f_inputlist(argvars
, rettv
)
12418 rettv
->vval
.v_number
= 0;
12419 #ifdef NO_CONSOLE_INPUT
12420 /* While starting up, there is no place to enter text. */
12421 if (no_console_input())
12424 if (argvars
[0].v_type
!= VAR_LIST
|| argvars
[0].vval
.v_list
== NULL
)
12426 EMSG2(_(e_listarg
), "inputlist()");
12431 msg_row
= Rows
- 1; /* for when 'cmdheight' > 1 */
12432 lines_left
= Rows
; /* avoid more prompt */
12436 for (li
= argvars
[0].vval
.v_list
->lv_first
; li
!= NULL
; li
= li
->li_next
)
12438 msg_puts(get_tv_string(&li
->li_tv
));
12442 /* Ask for choice. */
12443 selected
= prompt_for_number(&mouse_used
);
12445 selected
-= lines_left
;
12447 rettv
->vval
.v_number
= selected
;
12451 static garray_T ga_userinput
= {0, 0, sizeof(tasave_T
), 4, NULL
};
12454 * "inputrestore()" function
12458 f_inputrestore(argvars
, rettv
)
12462 if (ga_userinput
.ga_len
> 0)
12464 --ga_userinput
.ga_len
;
12465 restore_typeahead((tasave_T
*)(ga_userinput
.ga_data
)
12466 + ga_userinput
.ga_len
);
12467 rettv
->vval
.v_number
= 0; /* OK */
12469 else if (p_verbose
> 1)
12471 verb_msg((char_u
*)_("called inputrestore() more often than inputsave()"));
12472 rettv
->vval
.v_number
= 1; /* Failed */
12477 * "inputsave()" function
12481 f_inputsave(argvars
, rettv
)
12485 /* Add an entry to the stack of typeahead storage. */
12486 if (ga_grow(&ga_userinput
, 1) == OK
)
12488 save_typeahead((tasave_T
*)(ga_userinput
.ga_data
)
12489 + ga_userinput
.ga_len
);
12490 ++ga_userinput
.ga_len
;
12491 rettv
->vval
.v_number
= 0; /* OK */
12494 rettv
->vval
.v_number
= 1; /* Failed */
12498 * "inputsecret()" function
12501 f_inputsecret(argvars
, rettv
)
12506 ++inputsecret_flag
;
12507 f_input(argvars
, rettv
);
12509 --inputsecret_flag
;
12513 * "insert()" function
12516 f_insert(argvars
, rettv
)
12525 rettv
->vval
.v_number
= 0;
12526 if (argvars
[0].v_type
!= VAR_LIST
)
12527 EMSG2(_(e_listarg
), "insert()");
12528 else if ((l
= argvars
[0].vval
.v_list
) != NULL
12529 && !tv_check_lock(l
->lv_lock
, (char_u
*)"insert()"))
12531 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
12532 before
= get_tv_number_chk(&argvars
[2], &error
);
12534 return; /* type error; errmsg already given */
12536 if (before
== l
->lv_len
)
12540 item
= list_find(l
, before
);
12543 EMSGN(_(e_listidx
), before
);
12549 list_insert_tv(l
, &argvars
[1], item
);
12550 copy_tv(&argvars
[0], rettv
);
12556 * "isdirectory()" function
12559 f_isdirectory(argvars
, rettv
)
12563 rettv
->vval
.v_number
= mch_isdir(get_tv_string(&argvars
[0]));
12567 * "islocked()" function
12570 f_islocked(argvars
, rettv
)
12578 rettv
->vval
.v_number
= -1;
12579 end
= get_lval(get_tv_string(&argvars
[0]), NULL
, &lv
, FALSE
, FALSE
, FALSE
,
12581 if (end
!= NULL
&& lv
.ll_name
!= NULL
)
12584 EMSG(_(e_trailing
));
12587 if (lv
.ll_tv
== NULL
)
12589 if (check_changedtick(lv
.ll_name
))
12590 rettv
->vval
.v_number
= 1; /* always locked */
12593 di
= find_var(lv
.ll_name
, NULL
);
12596 /* Consider a variable locked when:
12597 * 1. the variable itself is locked
12598 * 2. the value of the variable is locked.
12599 * 3. the List or Dict value is locked.
12601 rettv
->vval
.v_number
= ((di
->di_flags
& DI_FLAGS_LOCK
)
12602 || tv_islocked(&di
->di_tv
));
12606 else if (lv
.ll_range
)
12607 EMSG(_("E786: Range not allowed"));
12608 else if (lv
.ll_newkey
!= NULL
)
12609 EMSG2(_(e_dictkey
), lv
.ll_newkey
);
12610 else if (lv
.ll_list
!= NULL
)
12612 rettv
->vval
.v_number
= tv_islocked(&lv
.ll_li
->li_tv
);
12614 /* Dictionary item. */
12615 rettv
->vval
.v_number
= tv_islocked(&lv
.ll_di
->di_tv
);
12622 static void dict_list
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int what
));
12625 * Turn a dict into a list:
12626 * "what" == 0: list of keys
12627 * "what" == 1: list of values
12628 * "what" == 2: list of items
12631 dict_list(argvars
, rettv
, what
)
12644 rettv
->vval
.v_number
= 0;
12645 if (argvars
[0].v_type
!= VAR_DICT
)
12647 EMSG(_(e_dictreq
));
12650 if ((d
= argvars
[0].vval
.v_dict
) == NULL
)
12653 if (rettv_list_alloc(rettv
) == FAIL
)
12656 todo
= (int)d
->dv_hashtab
.ht_used
;
12657 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
12659 if (!HASHITEM_EMPTY(hi
))
12664 li
= listitem_alloc();
12667 list_append(rettv
->vval
.v_list
, li
);
12672 li
->li_tv
.v_type
= VAR_STRING
;
12673 li
->li_tv
.v_lock
= 0;
12674 li
->li_tv
.vval
.v_string
= vim_strsave(di
->di_key
);
12676 else if (what
== 1)
12679 copy_tv(&di
->di_tv
, &li
->li_tv
);
12685 li
->li_tv
.v_type
= VAR_LIST
;
12686 li
->li_tv
.v_lock
= 0;
12687 li
->li_tv
.vval
.v_list
= l2
;
12692 li2
= listitem_alloc();
12695 list_append(l2
, li2
);
12696 li2
->li_tv
.v_type
= VAR_STRING
;
12697 li2
->li_tv
.v_lock
= 0;
12698 li2
->li_tv
.vval
.v_string
= vim_strsave(di
->di_key
);
12700 li2
= listitem_alloc();
12703 list_append(l2
, li2
);
12704 copy_tv(&di
->di_tv
, &li2
->li_tv
);
12711 * "items(dict)" function
12714 f_items(argvars
, rettv
)
12718 dict_list(argvars
, rettv
, 2);
12722 * "join()" function
12725 f_join(argvars
, rettv
)
12732 rettv
->vval
.v_number
= 0;
12733 if (argvars
[0].v_type
!= VAR_LIST
)
12735 EMSG(_(e_listreq
));
12738 if (argvars
[0].vval
.v_list
== NULL
)
12740 if (argvars
[1].v_type
== VAR_UNKNOWN
)
12741 sep
= (char_u
*)" ";
12743 sep
= get_tv_string_chk(&argvars
[1]);
12745 rettv
->v_type
= VAR_STRING
;
12749 ga_init2(&ga
, (int)sizeof(char), 80);
12750 list_join(&ga
, argvars
[0].vval
.v_list
, sep
, TRUE
, 0);
12751 ga_append(&ga
, NUL
);
12752 rettv
->vval
.v_string
= (char_u
*)ga
.ga_data
;
12755 rettv
->vval
.v_string
= NULL
;
12759 * "keys()" function
12762 f_keys(argvars
, rettv
)
12766 dict_list(argvars
, rettv
, 0);
12770 * "last_buffer_nr()" function.
12774 f_last_buffer_nr(argvars
, rettv
)
12781 for (buf
= firstbuf
; buf
!= NULL
; buf
= buf
->b_next
)
12782 if (n
< buf
->b_fnum
)
12785 rettv
->vval
.v_number
= n
;
12792 f_len(argvars
, rettv
)
12796 switch (argvars
[0].v_type
)
12800 rettv
->vval
.v_number
= (varnumber_T
)STRLEN(
12801 get_tv_string(&argvars
[0]));
12804 rettv
->vval
.v_number
= list_len(argvars
[0].vval
.v_list
);
12807 rettv
->vval
.v_number
= dict_len(argvars
[0].vval
.v_dict
);
12810 EMSG(_("E701: Invalid type for len()"));
12815 static void libcall_common
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int type
));
12818 libcall_common(argvars
, rettv
, type
)
12823 #ifdef FEAT_LIBCALL
12825 char_u
**string_result
;
12829 rettv
->v_type
= type
;
12830 if (type
== VAR_NUMBER
)
12831 rettv
->vval
.v_number
= 0;
12833 rettv
->vval
.v_string
= NULL
;
12835 if (check_restricted() || check_secure())
12838 #ifdef FEAT_LIBCALL
12839 /* The first two args must be strings, otherwise its meaningless */
12840 if (argvars
[0].v_type
== VAR_STRING
&& argvars
[1].v_type
== VAR_STRING
)
12843 if (argvars
[2].v_type
== VAR_STRING
)
12844 string_in
= argvars
[2].vval
.v_string
;
12845 if (type
== VAR_NUMBER
)
12846 string_result
= NULL
;
12848 string_result
= &rettv
->vval
.v_string
;
12849 if (mch_libcall(argvars
[0].vval
.v_string
,
12850 argvars
[1].vval
.v_string
,
12852 argvars
[2].vval
.v_number
,
12855 && type
== VAR_NUMBER
)
12856 rettv
->vval
.v_number
= nr_result
;
12862 * "libcall()" function
12865 f_libcall(argvars
, rettv
)
12869 libcall_common(argvars
, rettv
, VAR_STRING
);
12873 * "libcallnr()" function
12876 f_libcallnr(argvars
, rettv
)
12880 libcall_common(argvars
, rettv
, VAR_NUMBER
);
12884 * "line(string)" function
12887 f_line(argvars
, rettv
)
12895 fp
= var2fpos(&argvars
[0], TRUE
, &fnum
);
12898 rettv
->vval
.v_number
= lnum
;
12902 * "line2byte(lnum)" function
12906 f_line2byte(argvars
, rettv
)
12910 #ifndef FEAT_BYTEOFF
12911 rettv
->vval
.v_number
= -1;
12915 lnum
= get_tv_lnum(argvars
);
12916 if (lnum
< 1 || lnum
> curbuf
->b_ml
.ml_line_count
+ 1)
12917 rettv
->vval
.v_number
= -1;
12919 rettv
->vval
.v_number
= ml_find_line_or_offset(curbuf
, lnum
, NULL
);
12920 if (rettv
->vval
.v_number
>= 0)
12921 ++rettv
->vval
.v_number
;
12926 * "lispindent(lnum)" function
12929 f_lispindent(argvars
, rettv
)
12937 pos
= curwin
->w_cursor
;
12938 lnum
= get_tv_lnum(argvars
);
12939 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
)
12941 curwin
->w_cursor
.lnum
= lnum
;
12942 rettv
->vval
.v_number
= get_lisp_indent();
12943 curwin
->w_cursor
= pos
;
12947 rettv
->vval
.v_number
= -1;
12951 * "localtime()" function
12955 f_localtime(argvars
, rettv
)
12959 rettv
->vval
.v_number
= (varnumber_T
)time(NULL
);
12962 static void get_maparg
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int exact
));
12965 get_maparg(argvars
, rettv
, exact
)
12972 char_u buf
[NUMBUFLEN
];
12973 char_u
*keys_buf
= NULL
;
12979 /* return empty string for failure */
12980 rettv
->v_type
= VAR_STRING
;
12981 rettv
->vval
.v_string
= NULL
;
12983 keys
= get_tv_string(&argvars
[0]);
12987 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
12989 which
= get_tv_string_buf_chk(&argvars
[1], buf
);
12990 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
12991 abbr
= get_tv_number(&argvars
[2]);
12994 which
= (char_u
*)"";
12998 mode
= get_map_mode(&which
, 0);
13000 keys
= replace_termcodes(keys
, &keys_buf
, TRUE
, TRUE
, FALSE
);
13001 rhs
= check_map(keys
, mode
, exact
, FALSE
, abbr
);
13002 vim_free(keys_buf
);
13006 ga
.ga_itemsize
= 1;
13007 ga
.ga_growsize
= 40;
13009 while (*rhs
!= NUL
)
13010 ga_concat(&ga
, str2special(&rhs
, FALSE
));
13012 ga_append(&ga
, NUL
);
13013 rettv
->vval
.v_string
= (char_u
*)ga
.ga_data
;
13019 * "log10()" function
13022 f_log10(argvars
, rettv
)
13028 rettv
->v_type
= VAR_FLOAT
;
13029 if (get_float_arg(argvars
, &f
) == OK
)
13030 rettv
->vval
.v_float
= log10(f
);
13032 rettv
->vval
.v_float
= 0.0;
13040 f_map(argvars
, rettv
)
13044 filter_map(argvars
, rettv
, TRUE
);
13048 * "maparg()" function
13051 f_maparg(argvars
, rettv
)
13055 get_maparg(argvars
, rettv
, TRUE
);
13059 * "mapcheck()" function
13062 f_mapcheck(argvars
, rettv
)
13066 get_maparg(argvars
, rettv
, FALSE
);
13069 static void find_some_match
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int start
));
13072 find_some_match(argvars
, rettv
, type
)
13077 char_u
*str
= NULL
;
13078 char_u
*expr
= NULL
;
13080 regmatch_T regmatch
;
13081 char_u patbuf
[NUMBUFLEN
];
13082 char_u strbuf
[NUMBUFLEN
];
13086 colnr_T startcol
= 0;
13089 listitem_T
*li
= NULL
;
13091 char_u
*tofree
= NULL
;
13093 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
13095 p_cpo
= (char_u
*)"";
13097 rettv
->vval
.v_number
= -1;
13100 /* return empty list when there are no matches */
13101 if (rettv_list_alloc(rettv
) == FAIL
)
13104 else if (type
== 2)
13106 rettv
->v_type
= VAR_STRING
;
13107 rettv
->vval
.v_string
= NULL
;
13110 if (argvars
[0].v_type
== VAR_LIST
)
13112 if ((l
= argvars
[0].vval
.v_list
) == NULL
)
13117 expr
= str
= get_tv_string(&argvars
[0]);
13119 pat
= get_tv_string_buf_chk(&argvars
[1], patbuf
);
13123 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
13127 start
= get_tv_number_chk(&argvars
[2], &error
);
13132 li
= list_find(l
, start
);
13135 idx
= l
->lv_idx
; /* use the cached index */
13141 if (start
> (long)STRLEN(str
))
13143 /* When "count" argument is there ignore matches before "start",
13144 * otherwise skip part of the string. Differs when pattern is "^"
13146 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
13152 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
13153 nth
= get_tv_number_chk(&argvars
[3], &error
);
13158 regmatch
.regprog
= vim_regcomp(pat
, RE_MAGIC
+ RE_STRING
);
13159 if (regmatch
.regprog
!= NULL
)
13161 regmatch
.rm_ic
= p_ic
;
13173 str
= echo_string(&li
->li_tv
, &tofree
, strbuf
, 0);
13178 match
= vim_regexec_nl(®match
, str
, (colnr_T
)startcol
);
13180 if (match
&& --nth
<= 0)
13182 if (l
== NULL
&& !match
)
13185 /* Advance to just after the match. */
13194 startcol
= (colnr_T
)(regmatch
.startp
[0]
13195 + (*mb_ptr2len
)(regmatch
.startp
[0]) - str
);
13197 startcol
= regmatch
.startp
[0] + 1 - str
;
13208 /* return list with matched string and submatches */
13209 for (i
= 0; i
< NSUBEXP
; ++i
)
13211 if (regmatch
.endp
[i
] == NULL
)
13213 if (list_append_string(rettv
->vval
.v_list
,
13214 (char_u
*)"", 0) == FAIL
)
13217 else if (list_append_string(rettv
->vval
.v_list
,
13218 regmatch
.startp
[i
],
13219 (int)(regmatch
.endp
[i
] - regmatch
.startp
[i
]))
13224 else if (type
== 2)
13226 /* return matched string */
13228 copy_tv(&li
->li_tv
, rettv
);
13230 rettv
->vval
.v_string
= vim_strnsave(regmatch
.startp
[0],
13231 (int)(regmatch
.endp
[0] - regmatch
.startp
[0]));
13233 else if (l
!= NULL
)
13234 rettv
->vval
.v_number
= idx
;
13238 rettv
->vval
.v_number
=
13239 (varnumber_T
)(regmatch
.startp
[0] - str
);
13241 rettv
->vval
.v_number
=
13242 (varnumber_T
)(regmatch
.endp
[0] - str
);
13243 rettv
->vval
.v_number
+= (varnumber_T
)(str
- expr
);
13246 vim_free(regmatch
.regprog
);
13255 * "match()" function
13258 f_match(argvars
, rettv
)
13262 find_some_match(argvars
, rettv
, 1);
13266 * "matchadd()" function
13269 f_matchadd(argvars
, rettv
)
13273 #ifdef FEAT_SEARCH_EXTRA
13274 char_u buf
[NUMBUFLEN
];
13275 char_u
*grp
= get_tv_string_buf_chk(&argvars
[0], buf
); /* group */
13276 char_u
*pat
= get_tv_string_buf_chk(&argvars
[1], buf
); /* pattern */
13277 int prio
= 10; /* default priority */
13281 rettv
->vval
.v_number
= -1;
13283 if (grp
== NULL
|| pat
== NULL
)
13285 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
13287 prio
= get_tv_number_chk(&argvars
[2], &error
);
13288 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
13289 id
= get_tv_number_chk(&argvars
[3], &error
);
13293 if (id
>= 1 && id
<= 3)
13295 EMSGN("E798: ID is reserved for \":match\": %ld", id
);
13299 rettv
->vval
.v_number
= match_add(curwin
, grp
, pat
, prio
, id
);
13304 * "matcharg()" function
13307 f_matcharg(argvars
, rettv
)
13311 if (rettv_list_alloc(rettv
) == OK
)
13313 #ifdef FEAT_SEARCH_EXTRA
13314 int id
= get_tv_number(&argvars
[0]);
13317 if (id
>= 1 && id
<= 3)
13319 if ((m
= (matchitem_T
*)get_match(curwin
, id
)) != NULL
)
13321 list_append_string(rettv
->vval
.v_list
,
13322 syn_id2name(m
->hlg_id
), -1);
13323 list_append_string(rettv
->vval
.v_list
, m
->pattern
, -1);
13327 list_append_string(rettv
->vval
.v_list
, NUL
, -1);
13328 list_append_string(rettv
->vval
.v_list
, NUL
, -1);
13336 * "matchdelete()" function
13339 f_matchdelete(argvars
, rettv
)
13343 #ifdef FEAT_SEARCH_EXTRA
13344 rettv
->vval
.v_number
= match_delete(curwin
,
13345 (int)get_tv_number(&argvars
[0]), TRUE
);
13350 * "matchend()" function
13353 f_matchend(argvars
, rettv
)
13357 find_some_match(argvars
, rettv
, 0);
13361 * "matchlist()" function
13364 f_matchlist(argvars
, rettv
)
13368 find_some_match(argvars
, rettv
, 3);
13372 * "matchstr()" function
13375 f_matchstr(argvars
, rettv
)
13379 find_some_match(argvars
, rettv
, 2);
13382 static void max_min
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int domax
));
13385 max_min(argvars
, rettv
, domax
)
13394 if (argvars
[0].v_type
== VAR_LIST
)
13399 l
= argvars
[0].vval
.v_list
;
13405 n
= get_tv_number_chk(&li
->li_tv
, &error
);
13411 i
= get_tv_number_chk(&li
->li_tv
, &error
);
13412 if (domax
? i
> n
: i
< n
)
13418 else if (argvars
[0].v_type
== VAR_DICT
)
13425 d
= argvars
[0].vval
.v_dict
;
13428 todo
= (int)d
->dv_hashtab
.ht_used
;
13429 for (hi
= d
->dv_hashtab
.ht_array
; todo
> 0; ++hi
)
13431 if (!HASHITEM_EMPTY(hi
))
13434 i
= get_tv_number_chk(&HI2DI(hi
)->di_tv
, &error
);
13440 else if (domax
? i
> n
: i
< n
)
13447 EMSG(_(e_listdictarg
));
13448 rettv
->vval
.v_number
= error
? 0 : n
;
13455 f_max(argvars
, rettv
)
13459 max_min(argvars
, rettv
, TRUE
);
13466 f_min(argvars
, rettv
)
13470 max_min(argvars
, rettv
, FALSE
);
13473 static int mkdir_recurse
__ARGS((char_u
*dir
, int prot
));
13476 * Create the directory in which "dir" is located, and higher levels when
13480 mkdir_recurse(dir
, prot
)
13488 /* Get end of directory name in "dir".
13489 * We're done when it's "/" or "c:/". */
13490 p
= gettail_sep(dir
);
13491 if (p
<= get_past_head(dir
))
13494 /* If the directory exists we're done. Otherwise: create it.*/
13495 updir
= vim_strnsave(dir
, (int)(p
- dir
));
13498 if (mch_isdir(updir
))
13500 else if (mkdir_recurse(updir
, prot
) == OK
)
13501 r
= vim_mkdir_emsg(updir
, prot
);
13508 * "mkdir()" function
13511 f_mkdir(argvars
, rettv
)
13516 char_u buf
[NUMBUFLEN
];
13519 rettv
->vval
.v_number
= FAIL
;
13520 if (check_restricted() || check_secure())
13523 dir
= get_tv_string_buf(&argvars
[0], buf
);
13524 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
13526 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
13527 prot
= get_tv_number_chk(&argvars
[2], NULL
);
13528 if (prot
!= -1 && STRCMP(get_tv_string(&argvars
[1]), "p") == 0)
13529 mkdir_recurse(dir
, prot
);
13531 rettv
->vval
.v_number
= prot
!= -1 ? vim_mkdir_emsg(dir
, prot
) : 0;
13536 * "mode()" function
13540 f_mode(argvars
, rettv
)
13553 buf
[0] = VIsual_mode
+ 's' - 'v';
13555 buf
[0] = VIsual_mode
;
13559 if (State
== HITRETURN
|| State
== ASKMORE
|| State
== SETWSIZE
13560 || State
== CONFIRM
)
13563 if (State
== ASKMORE
)
13565 else if (State
== CONFIRM
)
13568 else if (State
== EXTERNCMD
)
13570 else if (State
& INSERT
)
13572 #ifdef FEAT_VREPLACE
13573 if (State
& VREPLACE_FLAG
)
13580 if (State
& REPLACE_FLAG
)
13585 else if (State
& CMDLINE
)
13591 else if (exmode_active
)
13603 /* Clear out the minor mode when the argument is not a non-zero number or
13604 * non-empty string. */
13605 if (!non_zero_arg(&argvars
[0]))
13608 rettv
->vval
.v_string
= vim_strsave(buf
);
13609 rettv
->v_type
= VAR_STRING
;
13613 * "nextnonblank()" function
13616 f_nextnonblank(argvars
, rettv
)
13622 for (lnum
= get_tv_lnum(argvars
); ; ++lnum
)
13624 if (lnum
< 0 || lnum
> curbuf
->b_ml
.ml_line_count
)
13629 if (*skipwhite(ml_get(lnum
)) != NUL
)
13632 rettv
->vval
.v_number
= lnum
;
13636 * "nr2char()" function
13639 f_nr2char(argvars
, rettv
)
13643 char_u buf
[NUMBUFLEN
];
13647 buf
[(*mb_char2bytes
)((int)get_tv_number(&argvars
[0]), buf
)] = NUL
;
13651 buf
[0] = (char_u
)get_tv_number(&argvars
[0]);
13654 rettv
->v_type
= VAR_STRING
;
13655 rettv
->vval
.v_string
= vim_strsave(buf
);
13659 * "pathshorten()" function
13662 f_pathshorten(argvars
, rettv
)
13668 rettv
->v_type
= VAR_STRING
;
13669 p
= get_tv_string_chk(&argvars
[0]);
13671 rettv
->vval
.v_string
= NULL
;
13674 p
= vim_strsave(p
);
13675 rettv
->vval
.v_string
= p
;
13686 f_pow(argvars
, rettv
)
13692 rettv
->v_type
= VAR_FLOAT
;
13693 if (get_float_arg(argvars
, &fx
) == OK
13694 && get_float_arg(&argvars
[1], &fy
) == OK
)
13695 rettv
->vval
.v_float
= pow(fx
, fy
);
13697 rettv
->vval
.v_float
= 0.0;
13702 * "prevnonblank()" function
13705 f_prevnonblank(argvars
, rettv
)
13711 lnum
= get_tv_lnum(argvars
);
13712 if (lnum
< 1 || lnum
> curbuf
->b_ml
.ml_line_count
)
13715 while (lnum
>= 1 && *skipwhite(ml_get(lnum
)) == NUL
)
13717 rettv
->vval
.v_number
= lnum
;
13720 #ifdef HAVE_STDARG_H
13721 /* This dummy va_list is here because:
13722 * - passing a NULL pointer doesn't work when va_list isn't a pointer
13723 * - locally in the function results in a "used before set" warning
13724 * - using va_start() to initialize it gives "function with fixed args" error */
13729 * "printf()" function
13732 f_printf(argvars
, rettv
)
13736 rettv
->v_type
= VAR_STRING
;
13737 rettv
->vval
.v_string
= NULL
;
13738 #ifdef HAVE_STDARG_H /* only very old compilers can't do this */
13740 char_u buf
[NUMBUFLEN
];
13743 int saved_did_emsg
= did_emsg
;
13746 /* Get the required length, allocate the buffer and do it for real. */
13748 fmt
= (char *)get_tv_string_buf(&argvars
[0], buf
);
13749 len
= vim_vsnprintf(NULL
, 0, fmt
, ap
, argvars
+ 1);
13752 s
= alloc(len
+ 1);
13755 rettv
->vval
.v_string
= s
;
13756 (void)vim_vsnprintf((char *)s
, len
+ 1, fmt
, ap
, argvars
+ 1);
13759 did_emsg
|= saved_did_emsg
;
13765 * "pumvisible()" function
13769 f_pumvisible(argvars
, rettv
)
13773 rettv
->vval
.v_number
= 0;
13774 #ifdef FEAT_INS_EXPAND
13776 rettv
->vval
.v_number
= 1;
13781 * "range()" function
13784 f_range(argvars
, rettv
)
13794 start
= get_tv_number_chk(&argvars
[0], &error
);
13795 if (argvars
[1].v_type
== VAR_UNKNOWN
)
13802 end
= get_tv_number_chk(&argvars
[1], &error
);
13803 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
13804 stride
= get_tv_number_chk(&argvars
[2], &error
);
13807 rettv
->vval
.v_number
= 0;
13809 return; /* type error; errmsg already given */
13811 EMSG(_("E726: Stride is zero"));
13812 else if (stride
> 0 ? end
+ 1 < start
: end
- 1 > start
)
13813 EMSG(_("E727: Start past end"));
13816 if (rettv_list_alloc(rettv
) == OK
)
13817 for (i
= start
; stride
> 0 ? i
<= end
: i
>= end
; i
+= stride
)
13818 if (list_append_number(rettv
->vval
.v_list
,
13819 (varnumber_T
)i
) == FAIL
)
13825 * "readfile()" function
13828 f_readfile(argvars
, rettv
)
13832 int binary
= FALSE
;
13836 #define FREAD_SIZE 200 /* optimized for text lines */
13837 char_u buf
[FREAD_SIZE
];
13838 int readlen
; /* size of last fread() */
13839 int buflen
; /* nr of valid chars in buf[] */
13840 int filtd
; /* how much in buf[] was NUL -> '\n' filtered */
13841 int tolist
; /* first byte in buf[] still to be put in list */
13842 int chop
; /* how many CR to chop off */
13843 char_u
*prev
= NULL
; /* previously read bytes, if any */
13844 int prevlen
= 0; /* length of "prev" if not NULL */
13847 long maxline
= MAXLNUM
;
13850 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
13852 if (STRCMP(get_tv_string(&argvars
[1]), "b") == 0)
13854 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
13855 maxline
= get_tv_number(&argvars
[2]);
13858 if (rettv_list_alloc(rettv
) == FAIL
)
13861 /* Always open the file in binary mode, library functions have a mind of
13862 * their own about CR-LF conversion. */
13863 fname
= get_tv_string(&argvars
[0]);
13864 if (*fname
== NUL
|| (fd
= mch_fopen((char *)fname
, READBIN
)) == NULL
)
13866 EMSG2(_(e_notopen
), *fname
== NUL
? (char_u
*)_("<empty>") : fname
);
13871 while (cnt
< maxline
|| maxline
< 0)
13873 readlen
= (int)fread(buf
+ filtd
, 1, FREAD_SIZE
- filtd
, fd
);
13874 buflen
= filtd
+ readlen
;
13876 for ( ; filtd
< buflen
|| readlen
<= 0; ++filtd
)
13878 if (buf
[filtd
] == '\n' || readlen
<= 0)
13880 /* Only when in binary mode add an empty list item when the
13881 * last line ends in a '\n'. */
13882 if (!binary
&& readlen
== 0 && filtd
== 0)
13885 /* Found end-of-line or end-of-file: add a text line to the
13889 while (filtd
- chop
- 1 >= tolist
13890 && buf
[filtd
- chop
- 1] == '\r')
13892 len
= filtd
- tolist
- chop
;
13894 s
= vim_strnsave(buf
+ tolist
, len
);
13897 s
= alloc((unsigned)(prevlen
+ len
+ 1));
13900 mch_memmove(s
, prev
, prevlen
);
13903 mch_memmove(s
+ prevlen
, buf
+ tolist
, len
);
13904 s
[prevlen
+ len
] = NUL
;
13907 tolist
= filtd
+ 1;
13909 li
= listitem_alloc();
13915 li
->li_tv
.v_type
= VAR_STRING
;
13916 li
->li_tv
.v_lock
= 0;
13917 li
->li_tv
.vval
.v_string
= s
;
13918 list_append(rettv
->vval
.v_list
, li
);
13920 if (++cnt
>= maxline
&& maxline
>= 0)
13925 else if (buf
[filtd
] == NUL
)
13933 /* "buf" is full, need to move text to an allocated buffer */
13936 prev
= vim_strnsave(buf
, buflen
);
13941 s
= alloc((unsigned)(prevlen
+ buflen
));
13944 mch_memmove(s
, prev
, prevlen
);
13945 mch_memmove(s
+ prevlen
, buf
, buflen
);
13955 mch_memmove(buf
, buf
+ tolist
, buflen
- tolist
);
13961 * For a negative line count use only the lines at the end of the file,
13965 while (cnt
> -maxline
)
13967 listitem_remove(rettv
->vval
.v_list
, rettv
->vval
.v_list
->lv_first
);
13975 #if defined(FEAT_RELTIME)
13976 static int list2proftime
__ARGS((typval_T
*arg
, proftime_T
*tm
));
13979 * Convert a List to proftime_T.
13980 * Return FAIL when there is something wrong.
13983 list2proftime(arg
, tm
)
13990 if (arg
->v_type
!= VAR_LIST
|| arg
->vval
.v_list
== NULL
13991 || arg
->vval
.v_list
->lv_len
!= 2)
13993 n1
= list_find_nr(arg
->vval
.v_list
, 0L, &error
);
13994 n2
= list_find_nr(arg
->vval
.v_list
, 1L, &error
);
14002 return error
? FAIL
: OK
;
14004 #endif /* FEAT_RELTIME */
14007 * "reltime()" function
14010 f_reltime(argvars
, rettv
)
14014 #ifdef FEAT_RELTIME
14018 if (argvars
[0].v_type
== VAR_UNKNOWN
)
14020 /* No arguments: get current time. */
14021 profile_start(&res
);
14023 else if (argvars
[1].v_type
== VAR_UNKNOWN
)
14025 if (list2proftime(&argvars
[0], &res
) == FAIL
)
14031 /* Two arguments: compute the difference. */
14032 if (list2proftime(&argvars
[0], &start
) == FAIL
14033 || list2proftime(&argvars
[1], &res
) == FAIL
)
14035 profile_sub(&res
, &start
);
14038 if (rettv_list_alloc(rettv
) == OK
)
14049 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)n1
);
14050 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)n2
);
14056 * "reltimestr()" function
14059 f_reltimestr(argvars
, rettv
)
14063 #ifdef FEAT_RELTIME
14067 rettv
->v_type
= VAR_STRING
;
14068 rettv
->vval
.v_string
= NULL
;
14069 #ifdef FEAT_RELTIME
14070 if (list2proftime(&argvars
[0], &tm
) == OK
)
14071 rettv
->vval
.v_string
= vim_strsave((char_u
*)profile_msg(&tm
));
14075 #if defined(FEAT_CLIENTSERVER) && defined(FEAT_X11)
14076 static void make_connection
__ARGS((void));
14077 static int check_connection
__ARGS((void));
14082 if (X_DISPLAY
== NULL
14088 x_force_connect
= TRUE
;
14090 x_force_connect
= FALSE
;
14098 if (X_DISPLAY
== NULL
)
14100 EMSG(_("E240: No connection to Vim server"));
14107 #ifdef FEAT_CLIENTSERVER
14108 static void remote_common
__ARGS((typval_T
*argvars
, typval_T
*rettv
, int expr
));
14111 remote_common(argvars
, rettv
, expr
)
14116 char_u
*server_name
;
14119 char_u buf
[NUMBUFLEN
];
14126 if (check_restricted() || check_secure())
14130 if (check_connection() == FAIL
)
14134 server_name
= get_tv_string_chk(&argvars
[0]);
14135 if (server_name
== NULL
)
14136 return; /* type error; errmsg already given */
14137 keys
= get_tv_string_buf(&argvars
[1], buf
);
14139 if (serverSendToVim(server_name
, keys
, &r
, &w
, expr
, TRUE
) < 0)
14141 if (serverSendToVim(X_DISPLAY
, server_name
, keys
, &r
, &w
, expr
, 0, TRUE
)
14146 EMSG(r
); /* sending worked but evaluation failed */
14148 EMSG2(_("E241: Unable to send to %s"), server_name
);
14152 rettv
->vval
.v_string
= r
;
14154 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
14160 sprintf((char *)str
, PRINTF_HEX_LONG_U
, (long_u
)w
);
14161 v
.di_tv
.v_type
= VAR_STRING
;
14162 v
.di_tv
.vval
.v_string
= vim_strsave(str
);
14163 idvar
= get_tv_string_chk(&argvars
[2]);
14165 set_var(idvar
, &v
.di_tv
, FALSE
);
14166 vim_free(v
.di_tv
.vval
.v_string
);
14172 * "remote_expr()" function
14176 f_remote_expr(argvars
, rettv
)
14180 rettv
->v_type
= VAR_STRING
;
14181 rettv
->vval
.v_string
= NULL
;
14182 #ifdef FEAT_CLIENTSERVER
14183 remote_common(argvars
, rettv
, TRUE
);
14188 * "remote_foreground()" function
14192 f_remote_foreground(argvars
, rettv
)
14196 rettv
->vval
.v_number
= 0;
14197 #ifdef FEAT_CLIENTSERVER
14199 /* On Win32 it's done in this application. */
14201 char_u
*server_name
= get_tv_string_chk(&argvars
[0]);
14203 if (server_name
!= NULL
)
14204 serverForeground(server_name
);
14207 /* Send a foreground() expression to the server. */
14208 argvars
[1].v_type
= VAR_STRING
;
14209 argvars
[1].vval
.v_string
= vim_strsave((char_u
*)"foreground()");
14210 argvars
[2].v_type
= VAR_UNKNOWN
;
14211 remote_common(argvars
, rettv
, TRUE
);
14212 vim_free(argvars
[1].vval
.v_string
);
14219 f_remote_peek(argvars
, rettv
)
14223 #ifdef FEAT_CLIENTSERVER
14231 if (check_restricted() || check_secure())
14233 rettv
->vval
.v_number
= -1;
14236 serverid
= get_tv_string_chk(&argvars
[0]);
14237 if (serverid
== NULL
)
14239 rettv
->vval
.v_number
= -1;
14240 return; /* type error; errmsg already given */
14243 sscanf(serverid
, SCANF_HEX_LONG_U
, &n
);
14245 rettv
->vval
.v_number
= -1;
14248 s
= serverGetReply((HWND
)n
, FALSE
, FALSE
, FALSE
);
14249 rettv
->vval
.v_number
= (s
!= NULL
);
14252 rettv
->vval
.v_number
= 0;
14253 if (check_connection() == FAIL
)
14256 rettv
->vval
.v_number
= serverPeekReply(X_DISPLAY
,
14257 serverStrToWin(serverid
), &s
);
14260 if (argvars
[1].v_type
!= VAR_UNKNOWN
&& rettv
->vval
.v_number
> 0)
14264 v
.di_tv
.v_type
= VAR_STRING
;
14265 v
.di_tv
.vval
.v_string
= vim_strsave(s
);
14266 retvar
= get_tv_string_chk(&argvars
[1]);
14267 if (retvar
!= NULL
)
14268 set_var(retvar
, &v
.di_tv
, FALSE
);
14269 vim_free(v
.di_tv
.vval
.v_string
);
14272 rettv
->vval
.v_number
= -1;
14278 f_remote_read(argvars
, rettv
)
14284 #ifdef FEAT_CLIENTSERVER
14285 char_u
*serverid
= get_tv_string_chk(&argvars
[0]);
14287 if (serverid
!= NULL
&& !check_restricted() && !check_secure())
14290 /* The server's HWND is encoded in the 'id' parameter */
14293 sscanf(serverid
, SCANF_HEX_LONG_U
, &n
);
14295 r
= serverGetReply((HWND
)n
, FALSE
, TRUE
, TRUE
);
14298 if (check_connection() == FAIL
|| serverReadReply(X_DISPLAY
,
14299 serverStrToWin(serverid
), &r
, FALSE
) < 0)
14301 EMSG(_("E277: Unable to read a server reply"));
14304 rettv
->v_type
= VAR_STRING
;
14305 rettv
->vval
.v_string
= r
;
14309 * "remote_send()" function
14313 f_remote_send(argvars
, rettv
)
14317 rettv
->v_type
= VAR_STRING
;
14318 rettv
->vval
.v_string
= NULL
;
14319 #ifdef FEAT_CLIENTSERVER
14320 remote_common(argvars
, rettv
, FALSE
);
14325 * "remove()" function
14328 f_remove(argvars
, rettv
)
14333 listitem_T
*item
, *item2
;
14341 rettv
->vval
.v_number
= 0;
14342 if (argvars
[0].v_type
== VAR_DICT
)
14344 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
14345 EMSG2(_(e_toomanyarg
), "remove()");
14346 else if ((d
= argvars
[0].vval
.v_dict
) != NULL
14347 && !tv_check_lock(d
->dv_lock
, (char_u
*)"remove() argument"))
14349 key
= get_tv_string_chk(&argvars
[1]);
14352 di
= dict_find(d
, key
, -1);
14354 EMSG2(_(e_dictkey
), key
);
14357 *rettv
= di
->di_tv
;
14358 init_tv(&di
->di_tv
);
14359 dictitem_remove(d
, di
);
14364 else if (argvars
[0].v_type
!= VAR_LIST
)
14365 EMSG2(_(e_listdictarg
), "remove()");
14366 else if ((l
= argvars
[0].vval
.v_list
) != NULL
14367 && !tv_check_lock(l
->lv_lock
, (char_u
*)"remove() argument"))
14371 idx
= get_tv_number_chk(&argvars
[1], &error
);
14373 ; /* type error: do nothing, errmsg already given */
14374 else if ((item
= list_find(l
, idx
)) == NULL
)
14375 EMSGN(_(e_listidx
), idx
);
14378 if (argvars
[2].v_type
== VAR_UNKNOWN
)
14380 /* Remove one item, return its value. */
14381 list_remove(l
, item
, item
);
14382 *rettv
= item
->li_tv
;
14387 /* Remove range of items, return list with values. */
14388 end
= get_tv_number_chk(&argvars
[2], &error
);
14390 ; /* type error: do nothing */
14391 else if ((item2
= list_find(l
, end
)) == NULL
)
14392 EMSGN(_(e_listidx
), end
);
14397 for (li
= item
; li
!= NULL
; li
= li
->li_next
)
14403 if (li
== NULL
) /* didn't find "item2" after "item" */
14404 EMSG(_(e_invrange
));
14407 list_remove(l
, item
, item2
);
14408 if (rettv_list_alloc(rettv
) == OK
)
14410 l
= rettv
->vval
.v_list
;
14411 l
->lv_first
= item
;
14412 l
->lv_last
= item2
;
14413 item
->li_prev
= NULL
;
14414 item2
->li_next
= NULL
;
14425 * "rename({from}, {to})" function
14428 f_rename(argvars
, rettv
)
14432 char_u buf
[NUMBUFLEN
];
14434 if (check_restricted() || check_secure())
14435 rettv
->vval
.v_number
= -1;
14437 rettv
->vval
.v_number
= vim_rename(get_tv_string(&argvars
[0]),
14438 get_tv_string_buf(&argvars
[1], buf
));
14442 * "repeat()" function
14446 f_repeat(argvars
, rettv
)
14457 n
= get_tv_number(&argvars
[1]);
14458 if (argvars
[0].v_type
== VAR_LIST
)
14460 if (rettv_list_alloc(rettv
) == OK
&& argvars
[0].vval
.v_list
!= NULL
)
14462 if (list_extend(rettv
->vval
.v_list
,
14463 argvars
[0].vval
.v_list
, NULL
) == FAIL
)
14468 p
= get_tv_string(&argvars
[0]);
14469 rettv
->v_type
= VAR_STRING
;
14470 rettv
->vval
.v_string
= NULL
;
14472 slen
= (int)STRLEN(p
);
14477 r
= alloc(len
+ 1);
14480 for (i
= 0; i
< n
; i
++)
14481 mch_memmove(r
+ i
* slen
, p
, (size_t)slen
);
14485 rettv
->vval
.v_string
= r
;
14490 * "resolve()" function
14493 f_resolve(argvars
, rettv
)
14499 p
= get_tv_string(&argvars
[0]);
14500 #ifdef FEAT_SHORTCUT
14504 v
= mch_resolve_shortcut(p
);
14506 rettv
->vval
.v_string
= v
;
14508 rettv
->vval
.v_string
= vim_strsave(p
);
14511 # ifdef HAVE_READLINK
14513 char_u buf
[MAXPATHL
+ 1];
14516 char_u
*remain
= NULL
;
14518 int is_relative_to_current
= FALSE
;
14519 int has_trailing_pathsep
= FALSE
;
14522 p
= vim_strsave(p
);
14524 if (p
[0] == '.' && (vim_ispathsep(p
[1])
14525 || (p
[1] == '.' && (vim_ispathsep(p
[2])))))
14526 is_relative_to_current
= TRUE
;
14529 if (len
> 0 && after_pathsep(p
, p
+ len
))
14530 has_trailing_pathsep
= TRUE
;
14532 q
= getnextcomp(p
);
14535 /* Separate the first path component in "p", and keep the
14536 * remainder (beginning with the path separator). */
14537 remain
= vim_strsave(q
- 1);
14545 len
= readlink((char *)p
, (char *)buf
, MAXPATHL
);
14554 EMSG(_("E655: Too many symbolic links (cycle?)"));
14555 rettv
->vval
.v_string
= NULL
;
14559 /* Ensure that the result will have a trailing path separator
14560 * if the argument has one. */
14561 if (remain
== NULL
&& has_trailing_pathsep
)
14564 /* Separate the first path component in the link value and
14565 * concatenate the remainders. */
14566 q
= getnextcomp(vim_ispathsep(*buf
) ? buf
+ 1 : buf
);
14569 if (remain
== NULL
)
14570 remain
= vim_strsave(q
- 1);
14573 cpy
= concat_str(q
- 1, remain
);
14584 if (q
> p
&& *q
== NUL
)
14586 /* Ignore trailing path separator. */
14590 if (q
> p
&& !mch_isFullName(buf
))
14592 /* symlink is relative to directory of argument */
14593 cpy
= alloc((unsigned)(STRLEN(p
) + STRLEN(buf
) + 1));
14597 STRCPY(gettail(cpy
), buf
);
14605 p
= vim_strsave(buf
);
14609 if (remain
== NULL
)
14612 /* Append the first path component of "remain" to "p". */
14613 q
= getnextcomp(remain
+ 1);
14614 len
= q
- remain
- (*q
!= NUL
);
14615 cpy
= vim_strnsave(p
, STRLEN(p
) + len
);
14618 STRNCAT(cpy
, remain
, len
);
14622 /* Shorten "remain". */
14624 STRMOVE(remain
, q
- 1);
14632 /* If the result is a relative path name, make it explicitly relative to
14633 * the current directory if and only if the argument had this form. */
14634 if (!vim_ispathsep(*p
))
14636 if (is_relative_to_current
14640 || vim_ispathsep(p
[1])
14643 || vim_ispathsep(p
[2]))))))
14645 /* Prepend "./". */
14646 cpy
= concat_str((char_u
*)"./", p
);
14653 else if (!is_relative_to_current
)
14655 /* Strip leading "./". */
14657 while (q
[0] == '.' && vim_ispathsep(q
[1]))
14664 /* Ensure that the result will have no trailing path separator
14665 * if the argument had none. But keep "/" or "//". */
14666 if (!has_trailing_pathsep
)
14669 if (after_pathsep(p
, q
))
14670 *gettail_sep(p
) = NUL
;
14673 rettv
->vval
.v_string
= p
;
14676 rettv
->vval
.v_string
= vim_strsave(p
);
14680 simplify_filename(rettv
->vval
.v_string
);
14682 #ifdef HAVE_READLINK
14685 rettv
->v_type
= VAR_STRING
;
14689 * "reverse({list})" function
14692 f_reverse(argvars
, rettv
)
14697 listitem_T
*li
, *ni
;
14699 rettv
->vval
.v_number
= 0;
14700 if (argvars
[0].v_type
!= VAR_LIST
)
14701 EMSG2(_(e_listarg
), "reverse()");
14702 else if ((l
= argvars
[0].vval
.v_list
) != NULL
14703 && !tv_check_lock(l
->lv_lock
, (char_u
*)"reverse()"))
14706 l
->lv_first
= l
->lv_last
= NULL
;
14711 list_append(l
, li
);
14714 rettv
->vval
.v_list
= l
;
14715 rettv
->v_type
= VAR_LIST
;
14717 l
->lv_idx
= l
->lv_len
- l
->lv_idx
- 1;
14721 #define SP_NOMOVE 0x01 /* don't move cursor */
14722 #define SP_REPEAT 0x02 /* repeat to find outer pair */
14723 #define SP_RETCOUNT 0x04 /* return matchcount */
14724 #define SP_SETPCMARK 0x08 /* set previous context mark */
14725 #define SP_START 0x10 /* accept match at start position */
14726 #define SP_SUBPAT 0x20 /* return nr of matching sub-pattern */
14727 #define SP_END 0x40 /* leave cursor at end of match */
14729 static int get_search_arg
__ARGS((typval_T
*varp
, int *flagsp
));
14732 * Get flags for a search function.
14733 * Possibly sets "p_ws".
14734 * Returns BACKWARD, FORWARD or zero (for an error).
14737 get_search_arg(varp
, flagsp
)
14743 char_u nbuf
[NUMBUFLEN
];
14746 if (varp
->v_type
!= VAR_UNKNOWN
)
14748 flags
= get_tv_string_buf_chk(varp
, nbuf
);
14750 return 0; /* type error; errmsg already given */
14751 while (*flags
!= NUL
)
14755 case 'b': dir
= BACKWARD
; break;
14756 case 'w': p_ws
= TRUE
; break;
14757 case 'W': p_ws
= FALSE
; break;
14759 if (flagsp
!= NULL
)
14762 case 'c': mask
= SP_START
; break;
14763 case 'e': mask
= SP_END
; break;
14764 case 'm': mask
= SP_RETCOUNT
; break;
14765 case 'n': mask
= SP_NOMOVE
; break;
14766 case 'p': mask
= SP_SUBPAT
; break;
14767 case 'r': mask
= SP_REPEAT
; break;
14768 case 's': mask
= SP_SETPCMARK
; break;
14772 EMSG2(_(e_invarg2
), flags
);
14787 * Shared by search() and searchpos() functions
14790 search_cmn(argvars
, match_pos
, flagsp
)
14799 int save_p_ws
= p_ws
;
14801 int retval
= 0; /* default: FAIL */
14802 long lnum_stop
= 0;
14804 #ifdef FEAT_RELTIME
14805 long time_limit
= 0;
14807 int options
= SEARCH_KEEP
;
14810 pat
= get_tv_string(&argvars
[0]);
14811 dir
= get_search_arg(&argvars
[1], flagsp
); /* may set p_ws */
14815 if (flags
& SP_START
)
14816 options
|= SEARCH_START
;
14817 if (flags
& SP_END
)
14818 options
|= SEARCH_END
;
14820 /* Optional arguments: line number to stop searching and timeout. */
14821 if (argvars
[1].v_type
!= VAR_UNKNOWN
&& argvars
[2].v_type
!= VAR_UNKNOWN
)
14823 lnum_stop
= get_tv_number_chk(&argvars
[2], NULL
);
14826 #ifdef FEAT_RELTIME
14827 if (argvars
[3].v_type
!= VAR_UNKNOWN
)
14829 time_limit
= get_tv_number_chk(&argvars
[3], NULL
);
14830 if (time_limit
< 0)
14836 #ifdef FEAT_RELTIME
14837 /* Set the time limit, if there is one. */
14838 profile_setlimit(time_limit
, &tm
);
14842 * This function does not accept SP_REPEAT and SP_RETCOUNT flags.
14843 * Check to make sure only those flags are set.
14844 * Also, Only the SP_NOMOVE or the SP_SETPCMARK flag can be set. Both
14845 * flags cannot be set. Check for that condition also.
14847 if (((flags
& (SP_REPEAT
| SP_RETCOUNT
)) != 0)
14848 || ((flags
& SP_NOMOVE
) && (flags
& SP_SETPCMARK
)))
14850 EMSG2(_(e_invarg2
), get_tv_string(&argvars
[1]));
14854 pos
= save_cursor
= curwin
->w_cursor
;
14855 subpatnum
= searchit(curwin
, curbuf
, &pos
, dir
, pat
, 1L,
14856 options
, RE_SEARCH
, (linenr_T
)lnum_stop
, &tm
);
14857 if (subpatnum
!= FAIL
)
14859 if (flags
& SP_SUBPAT
)
14860 retval
= subpatnum
;
14863 if (flags
& SP_SETPCMARK
)
14865 curwin
->w_cursor
= pos
;
14866 if (match_pos
!= NULL
)
14868 /* Store the match cursor position */
14869 match_pos
->lnum
= pos
.lnum
;
14870 match_pos
->col
= pos
.col
+ 1;
14872 /* "/$" will put the cursor after the end of the line, may need to
14873 * correct that here */
14877 /* If 'n' flag is used: restore cursor position. */
14878 if (flags
& SP_NOMOVE
)
14879 curwin
->w_cursor
= save_cursor
;
14881 curwin
->w_set_curswant
= TRUE
;
14890 * "round({float})" function
14893 f_round(argvars
, rettv
)
14899 rettv
->v_type
= VAR_FLOAT
;
14900 if (get_float_arg(argvars
, &f
) == OK
)
14901 /* round() is not in C90, use ceil() or floor() instead. */
14902 rettv
->vval
.v_float
= f
> 0 ? floor(f
+ 0.5) : ceil(f
- 0.5);
14904 rettv
->vval
.v_float
= 0.0;
14909 * "search()" function
14912 f_search(argvars
, rettv
)
14918 rettv
->vval
.v_number
= search_cmn(argvars
, NULL
, &flags
);
14922 * "searchdecl()" function
14925 f_searchdecl(argvars
, rettv
)
14934 rettv
->vval
.v_number
= 1; /* default: FAIL */
14936 name
= get_tv_string_chk(&argvars
[0]);
14937 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
14939 locally
= get_tv_number_chk(&argvars
[1], &error
) == 0;
14940 if (!error
&& argvars
[2].v_type
!= VAR_UNKNOWN
)
14941 thisblock
= get_tv_number_chk(&argvars
[2], &error
) != 0;
14943 if (!error
&& name
!= NULL
)
14944 rettv
->vval
.v_number
= find_decl(name
, (int)STRLEN(name
),
14945 locally
, thisblock
, SEARCH_KEEP
) == FAIL
;
14949 * Used by searchpair() and searchpairpos()
14952 searchpair_cmn(argvars
, match_pos
)
14956 char_u
*spat
, *mpat
, *epat
;
14958 int save_p_ws
= p_ws
;
14961 char_u nbuf1
[NUMBUFLEN
];
14962 char_u nbuf2
[NUMBUFLEN
];
14963 char_u nbuf3
[NUMBUFLEN
];
14964 int retval
= 0; /* default: FAIL */
14965 long lnum_stop
= 0;
14966 long time_limit
= 0;
14968 /* Get the three pattern arguments: start, middle, end. */
14969 spat
= get_tv_string_chk(&argvars
[0]);
14970 mpat
= get_tv_string_buf_chk(&argvars
[1], nbuf1
);
14971 epat
= get_tv_string_buf_chk(&argvars
[2], nbuf2
);
14972 if (spat
== NULL
|| mpat
== NULL
|| epat
== NULL
)
14973 goto theend
; /* type error */
14975 /* Handle the optional fourth argument: flags */
14976 dir
= get_search_arg(&argvars
[3], &flags
); /* may set p_ws */
14980 /* Don't accept SP_END or SP_SUBPAT.
14981 * Only one of the SP_NOMOVE or SP_SETPCMARK flags can be set.
14983 if ((flags
& (SP_END
| SP_SUBPAT
)) != 0
14984 || ((flags
& SP_NOMOVE
) && (flags
& SP_SETPCMARK
)))
14986 EMSG2(_(e_invarg2
), get_tv_string(&argvars
[3]));
14990 /* Using 'r' implies 'W', otherwise it doesn't work. */
14991 if (flags
& SP_REPEAT
)
14994 /* Optional fifth argument: skip expression */
14995 if (argvars
[3].v_type
== VAR_UNKNOWN
14996 || argvars
[4].v_type
== VAR_UNKNOWN
)
14997 skip
= (char_u
*)"";
15000 skip
= get_tv_string_buf_chk(&argvars
[4], nbuf3
);
15001 if (argvars
[5].v_type
!= VAR_UNKNOWN
)
15003 lnum_stop
= get_tv_number_chk(&argvars
[5], NULL
);
15006 #ifdef FEAT_RELTIME
15007 if (argvars
[6].v_type
!= VAR_UNKNOWN
)
15009 time_limit
= get_tv_number_chk(&argvars
[6], NULL
);
15010 if (time_limit
< 0)
15017 goto theend
; /* type error */
15019 retval
= do_searchpair(spat
, mpat
, epat
, dir
, skip
, flags
,
15020 match_pos
, lnum_stop
, time_limit
);
15029 * "searchpair()" function
15032 f_searchpair(argvars
, rettv
)
15036 rettv
->vval
.v_number
= searchpair_cmn(argvars
, NULL
);
15040 * "searchpairpos()" function
15043 f_searchpairpos(argvars
, rettv
)
15051 rettv
->vval
.v_number
= 0;
15053 if (rettv_list_alloc(rettv
) == FAIL
)
15056 if (searchpair_cmn(argvars
, &match_pos
) > 0)
15058 lnum
= match_pos
.lnum
;
15059 col
= match_pos
.col
;
15062 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)lnum
);
15063 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)col
);
15067 * Search for a start/middle/end thing.
15068 * Used by searchpair(), see its documentation for the details.
15069 * Returns 0 or -1 for no match,
15072 do_searchpair(spat
, mpat
, epat
, dir
, skip
, flags
, match_pos
,
15073 lnum_stop
, time_limit
)
15074 char_u
*spat
; /* start pattern */
15075 char_u
*mpat
; /* middle pattern */
15076 char_u
*epat
; /* end pattern */
15077 int dir
; /* BACKWARD or FORWARD */
15078 char_u
*skip
; /* skip expression */
15079 int flags
; /* SP_SETPCMARK and other SP_ values */
15081 linenr_T lnum_stop
; /* stop at this line if not zero */
15082 long time_limit
; /* stop after this many msec */
15085 char_u
*pat
, *pat2
= NULL
, *pat3
= NULL
;
15096 int options
= SEARCH_KEEP
;
15099 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
15101 p_cpo
= empty_option
;
15103 #ifdef FEAT_RELTIME
15104 /* Set the time limit, if there is one. */
15105 profile_setlimit(time_limit
, &tm
);
15108 /* Make two search patterns: start/end (pat2, for in nested pairs) and
15109 * start/middle/end (pat3, for the top pair). */
15110 pat2
= alloc((unsigned)(STRLEN(spat
) + STRLEN(epat
) + 15));
15111 pat3
= alloc((unsigned)(STRLEN(spat
) + STRLEN(mpat
) + STRLEN(epat
) + 23));
15112 if (pat2
== NULL
|| pat3
== NULL
)
15114 sprintf((char *)pat2
, "\\(%s\\m\\)\\|\\(%s\\m\\)", spat
, epat
);
15116 STRCPY(pat3
, pat2
);
15118 sprintf((char *)pat3
, "\\(%s\\m\\)\\|\\(%s\\m\\)\\|\\(%s\\m\\)",
15120 if (flags
& SP_START
)
15121 options
|= SEARCH_START
;
15123 save_cursor
= curwin
->w_cursor
;
15124 pos
= curwin
->w_cursor
;
15125 clearpos(&firstpos
);
15126 clearpos(&foundpos
);
15130 n
= searchit(curwin
, curbuf
, &pos
, dir
, pat
, 1L,
15131 options
, RE_SEARCH
, lnum_stop
, &tm
);
15132 if (n
== FAIL
|| (firstpos
.lnum
!= 0 && equalpos(pos
, firstpos
)))
15133 /* didn't find it or found the first match again: FAIL */
15136 if (firstpos
.lnum
== 0)
15138 if (equalpos(pos
, foundpos
))
15140 /* Found the same position again. Can happen with a pattern that
15141 * has "\zs" at the end and searching backwards. Advance one
15142 * character and try again. */
15143 if (dir
== BACKWARD
)
15150 /* clear the start flag to avoid getting stuck here */
15151 options
&= ~SEARCH_START
;
15153 /* If the skip pattern matches, ignore this match. */
15156 save_pos
= curwin
->w_cursor
;
15157 curwin
->w_cursor
= pos
;
15158 r
= eval_to_bool(skip
, &err
, NULL
, FALSE
);
15159 curwin
->w_cursor
= save_pos
;
15162 /* Evaluating {skip} caused an error, break here. */
15163 curwin
->w_cursor
= save_cursor
;
15171 if ((dir
== BACKWARD
&& n
== 3) || (dir
== FORWARD
&& n
== 2))
15173 /* Found end when searching backwards or start when searching
15174 * forward: nested pair. */
15176 pat
= pat2
; /* nested, don't search for middle */
15180 /* Found end when searching forward or start when searching
15181 * backward: end of (nested) pair; or found middle in outer pair. */
15183 pat
= pat3
; /* outer level, search for middle */
15188 /* Found the match: return matchcount or line number. */
15189 if (flags
& SP_RETCOUNT
)
15193 if (flags
& SP_SETPCMARK
)
15195 curwin
->w_cursor
= pos
;
15196 if (!(flags
& SP_REPEAT
))
15198 nest
= 1; /* search for next unmatched */
15202 if (match_pos
!= NULL
)
15204 /* Store the match cursor position */
15205 match_pos
->lnum
= curwin
->w_cursor
.lnum
;
15206 match_pos
->col
= curwin
->w_cursor
.col
+ 1;
15209 /* If 'n' flag is used or search failed: restore cursor position. */
15210 if ((flags
& SP_NOMOVE
) || retval
== 0)
15211 curwin
->w_cursor
= save_cursor
;
15216 if (p_cpo
== empty_option
)
15219 /* Darn, evaluating the {skip} expression changed the value. */
15220 free_string_option(save_cpo
);
15226 * "searchpos()" function
15229 f_searchpos(argvars
, rettv
)
15239 rettv
->vval
.v_number
= 0;
15241 if (rettv_list_alloc(rettv
) == FAIL
)
15244 n
= search_cmn(argvars
, &match_pos
, &flags
);
15247 lnum
= match_pos
.lnum
;
15248 col
= match_pos
.col
;
15251 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)lnum
);
15252 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)col
);
15253 if (flags
& SP_SUBPAT
)
15254 list_append_number(rettv
->vval
.v_list
, (varnumber_T
)n
);
15260 f_server2client(argvars
, rettv
)
15264 #ifdef FEAT_CLIENTSERVER
15265 char_u buf
[NUMBUFLEN
];
15266 char_u
*server
= get_tv_string_chk(&argvars
[0]);
15267 char_u
*reply
= get_tv_string_buf_chk(&argvars
[1], buf
);
15269 rettv
->vval
.v_number
= -1;
15270 if (server
== NULL
|| reply
== NULL
)
15272 if (check_restricted() || check_secure())
15275 if (check_connection() == FAIL
)
15279 if (serverSendReply(server
, reply
) < 0)
15281 EMSG(_("E258: Unable to send to client"));
15284 rettv
->vval
.v_number
= 0;
15286 rettv
->vval
.v_number
= -1;
15292 f_serverlist(argvars
, rettv
)
15298 #ifdef FEAT_CLIENTSERVER
15300 r
= serverGetVimNames();
15303 if (X_DISPLAY
!= NULL
)
15304 r
= serverGetVimNames(X_DISPLAY
);
15307 rettv
->v_type
= VAR_STRING
;
15308 rettv
->vval
.v_string
= r
;
15312 * "setbufvar()" function
15316 f_setbufvar(argvars
, rettv
)
15322 char_u
*varname
, *bufvarname
;
15324 char_u nbuf
[NUMBUFLEN
];
15326 rettv
->vval
.v_number
= 0;
15328 if (check_restricted() || check_secure())
15330 (void)get_tv_number(&argvars
[0]); /* issue errmsg if type error */
15331 varname
= get_tv_string_chk(&argvars
[1]);
15332 buf
= get_buf_tv(&argvars
[0]);
15333 varp
= &argvars
[2];
15335 if (buf
!= NULL
&& varname
!= NULL
&& varp
!= NULL
)
15337 /* set curbuf to be our buf, temporarily */
15338 aucmd_prepbuf(&aco
, buf
);
15340 if (*varname
== '&')
15347 numval
= get_tv_number_chk(varp
, &error
);
15348 strval
= get_tv_string_buf_chk(varp
, nbuf
);
15349 if (!error
&& strval
!= NULL
)
15350 set_option_value(varname
, numval
, strval
, OPT_LOCAL
);
15354 bufvarname
= alloc((unsigned)STRLEN(varname
) + 3);
15355 if (bufvarname
!= NULL
)
15357 STRCPY(bufvarname
, "b:");
15358 STRCPY(bufvarname
+ 2, varname
);
15359 set_var(bufvarname
, varp
, TRUE
);
15360 vim_free(bufvarname
);
15364 /* reset notion of buffer */
15365 aucmd_restbuf(&aco
);
15370 * "setcmdpos()" function
15373 f_setcmdpos(argvars
, rettv
)
15377 int pos
= (int)get_tv_number(&argvars
[0]) - 1;
15380 rettv
->vval
.v_number
= set_cmdline_pos(pos
);
15384 * "setline()" function
15387 f_setline(argvars
, rettv
)
15392 char_u
*line
= NULL
;
15394 listitem_T
*li
= NULL
;
15396 linenr_T lcount
= curbuf
->b_ml
.ml_line_count
;
15398 lnum
= get_tv_lnum(&argvars
[0]);
15399 if (argvars
[1].v_type
== VAR_LIST
)
15401 l
= argvars
[1].vval
.v_list
;
15405 line
= get_tv_string_chk(&argvars
[1]);
15407 rettv
->vval
.v_number
= 0; /* OK */
15412 /* list argument, get next string */
15415 line
= get_tv_string_chk(&li
->li_tv
);
15419 rettv
->vval
.v_number
= 1; /* FAIL */
15420 if (line
== NULL
|| lnum
< 1 || lnum
> curbuf
->b_ml
.ml_line_count
+ 1)
15422 if (lnum
<= curbuf
->b_ml
.ml_line_count
)
15424 /* existing line, replace it */
15425 if (u_savesub(lnum
) == OK
&& ml_replace(lnum
, line
, TRUE
) == OK
)
15427 changed_bytes(lnum
, 0);
15428 if (lnum
== curwin
->w_cursor
.lnum
)
15429 check_cursor_col();
15430 rettv
->vval
.v_number
= 0; /* OK */
15433 else if (added
> 0 || u_save(lnum
- 1, lnum
) == OK
)
15435 /* lnum is one past the last line, append the line */
15437 if (ml_append(lnum
- 1, line
, (colnr_T
)0, FALSE
) == OK
)
15438 rettv
->vval
.v_number
= 0; /* OK */
15441 if (l
== NULL
) /* only one string argument */
15447 appended_lines_mark(lcount
, added
);
15450 static void set_qf_ll_list
__ARGS((win_T
*wp
, typval_T
*list_arg
, typval_T
*action_arg
, typval_T
*rettv
));
15453 * Used by "setqflist()" and "setloclist()" functions
15457 set_qf_ll_list(wp
, list_arg
, action_arg
, rettv
)
15459 typval_T
*list_arg
;
15460 typval_T
*action_arg
;
15463 #ifdef FEAT_QUICKFIX
15468 rettv
->vval
.v_number
= -1;
15470 #ifdef FEAT_QUICKFIX
15471 if (list_arg
->v_type
!= VAR_LIST
)
15472 EMSG(_(e_listreq
));
15475 list_T
*l
= list_arg
->vval
.v_list
;
15477 if (action_arg
->v_type
== VAR_STRING
)
15479 act
= get_tv_string_chk(action_arg
);
15481 return; /* type error; errmsg already given */
15482 if (*act
== 'a' || *act
== 'r')
15486 if (l
!= NULL
&& set_errorlist(wp
, l
, action
) == OK
)
15487 rettv
->vval
.v_number
= 0;
15493 * "setloclist()" function
15497 f_setloclist(argvars
, rettv
)
15503 rettv
->vval
.v_number
= -1;
15505 win
= find_win_by_nr(&argvars
[0], NULL
);
15507 set_qf_ll_list(win
, &argvars
[1], &argvars
[2], rettv
);
15511 * "setmatches()" function
15514 f_setmatches(argvars
, rettv
)
15518 #ifdef FEAT_SEARCH_EXTRA
15523 rettv
->vval
.v_number
= -1;
15524 if (argvars
[0].v_type
!= VAR_LIST
)
15526 EMSG(_(e_listreq
));
15529 if ((l
= argvars
[0].vval
.v_list
) != NULL
)
15532 /* To some extent make sure that we are dealing with a list from
15533 * "getmatches()". */
15537 if (li
->li_tv
.v_type
!= VAR_DICT
15538 || (d
= li
->li_tv
.vval
.v_dict
) == NULL
)
15543 if (!(dict_find(d
, (char_u
*)"group", -1) != NULL
15544 && dict_find(d
, (char_u
*)"pattern", -1) != NULL
15545 && dict_find(d
, (char_u
*)"priority", -1) != NULL
15546 && dict_find(d
, (char_u
*)"id", -1) != NULL
))
15554 clear_matches(curwin
);
15558 d
= li
->li_tv
.vval
.v_dict
;
15559 match_add(curwin
, get_dict_string(d
, (char_u
*)"group", FALSE
),
15560 get_dict_string(d
, (char_u
*)"pattern", FALSE
),
15561 (int)get_dict_number(d
, (char_u
*)"priority"),
15562 (int)get_dict_number(d
, (char_u
*)"id"));
15565 rettv
->vval
.v_number
= 0;
15571 * "setpos()" function
15575 f_setpos(argvars
, rettv
)
15583 rettv
->vval
.v_number
= -1;
15584 name
= get_tv_string_chk(argvars
);
15587 if (list2fpos(&argvars
[1], &pos
, &fnum
) == OK
)
15590 if (name
[0] == '.' && name
[1] == NUL
)
15593 if (fnum
== curbuf
->b_fnum
)
15595 curwin
->w_cursor
= pos
;
15597 rettv
->vval
.v_number
= 0;
15602 else if (name
[0] == '\'' && name
[1] != NUL
&& name
[2] == NUL
)
15605 if (setmark_pos(name
[1], &pos
, fnum
) == OK
)
15606 rettv
->vval
.v_number
= 0;
15615 * "setqflist()" function
15619 f_setqflist(argvars
, rettv
)
15623 set_qf_ll_list(NULL
, &argvars
[0], &argvars
[1], rettv
);
15627 * "setreg()" function
15630 f_setreg(argvars
, rettv
)
15635 char_u
*strregname
;
15646 strregname
= get_tv_string_chk(argvars
);
15647 rettv
->vval
.v_number
= 1; /* FAIL is default */
15649 if (strregname
== NULL
)
15650 return; /* type error; errmsg already given */
15651 regname
= *strregname
;
15652 if (regname
== 0 || regname
== '@')
15654 else if (regname
== '=')
15657 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
15659 stropt
= get_tv_string_chk(&argvars
[2]);
15660 if (stropt
== NULL
)
15661 return; /* type error */
15662 for (; *stropt
!= NUL
; ++stropt
)
15665 case 'a': case 'A': /* append */
15668 case 'v': case 'c': /* character-wise selection */
15671 case 'V': case 'l': /* line-wise selection */
15675 case 'b': case Ctrl_V
: /* block-wise selection */
15676 yank_type
= MBLOCK
;
15677 if (VIM_ISDIGIT(stropt
[1]))
15680 block_len
= getdigits(&stropt
) - 1;
15688 strval
= get_tv_string_chk(&argvars
[1]);
15689 if (strval
!= NULL
)
15690 write_reg_contents_ex(regname
, strval
, -1,
15691 append
, yank_type
, block_len
);
15692 rettv
->vval
.v_number
= 0;
15696 * "settabwinvar()" function
15699 f_settabwinvar(argvars
, rettv
)
15703 setwinvar(argvars
, rettv
, 1);
15707 * "setwinvar()" function
15710 f_setwinvar(argvars
, rettv
)
15714 setwinvar(argvars
, rettv
, 0);
15718 * "setwinvar()" and "settabwinvar()" functions
15721 setwinvar(argvars
, rettv
, off
)
15727 #ifdef FEAT_WINDOWS
15728 win_T
*save_curwin
;
15729 tabpage_T
*save_curtab
;
15731 char_u
*varname
, *winvarname
;
15733 char_u nbuf
[NUMBUFLEN
];
15736 rettv
->vval
.v_number
= 0;
15738 if (check_restricted() || check_secure())
15741 #ifdef FEAT_WINDOWS
15743 tp
= find_tabpage((int)get_tv_number_chk(&argvars
[0], NULL
));
15747 win
= find_win_by_nr(&argvars
[off
], tp
);
15748 varname
= get_tv_string_chk(&argvars
[off
+ 1]);
15749 varp
= &argvars
[off
+ 2];
15751 if (win
!= NULL
&& varname
!= NULL
&& varp
!= NULL
)
15753 #ifdef FEAT_WINDOWS
15754 /* set curwin to be our win, temporarily */
15755 save_curwin
= curwin
;
15756 save_curtab
= curtab
;
15757 goto_tabpage_tp(tp
);
15758 if (!win_valid(win
))
15761 curbuf
= curwin
->w_buffer
;
15764 if (*varname
== '&')
15771 numval
= get_tv_number_chk(varp
, &error
);
15772 strval
= get_tv_string_buf_chk(varp
, nbuf
);
15773 if (!error
&& strval
!= NULL
)
15774 set_option_value(varname
, numval
, strval
, OPT_LOCAL
);
15778 winvarname
= alloc((unsigned)STRLEN(varname
) + 3);
15779 if (winvarname
!= NULL
)
15781 STRCPY(winvarname
, "w:");
15782 STRCPY(winvarname
+ 2, varname
);
15783 set_var(winvarname
, varp
, TRUE
);
15784 vim_free(winvarname
);
15788 #ifdef FEAT_WINDOWS
15789 /* Restore current tabpage and window, if still valid (autocomands can
15790 * make them invalid). */
15791 if (valid_tabpage(save_curtab
))
15792 goto_tabpage_tp(save_curtab
);
15793 if (win_valid(save_curwin
))
15795 curwin
= save_curwin
;
15796 curbuf
= curwin
->w_buffer
;
15803 * "shellescape({string})" function
15806 f_shellescape(argvars
, rettv
)
15810 rettv
->vval
.v_string
= vim_strsave_shellescape(
15811 get_tv_string(&argvars
[0]), non_zero_arg(&argvars
[1]));
15812 rettv
->v_type
= VAR_STRING
;
15816 * "simplify()" function
15819 f_simplify(argvars
, rettv
)
15825 p
= get_tv_string(&argvars
[0]);
15826 rettv
->vval
.v_string
= vim_strsave(p
);
15827 simplify_filename(rettv
->vval
.v_string
); /* simplify in place */
15828 rettv
->v_type
= VAR_STRING
;
15836 f_sin(argvars
, rettv
)
15842 rettv
->v_type
= VAR_FLOAT
;
15843 if (get_float_arg(argvars
, &f
) == OK
)
15844 rettv
->vval
.v_float
= sin(f
);
15846 rettv
->vval
.v_float
= 0.0;
15851 #ifdef __BORLANDC__
15854 item_compare
__ARGS((const void *s1
, const void *s2
));
15856 #ifdef __BORLANDC__
15859 item_compare2
__ARGS((const void *s1
, const void *s2
));
15861 static int item_compare_ic
;
15862 static char_u
*item_compare_func
;
15863 static int item_compare_func_err
;
15864 #define ITEM_COMPARE_FAIL 999
15867 * Compare functions for f_sort() below.
15870 #ifdef __BORLANDC__
15873 item_compare(s1
, s2
)
15878 char_u
*tofree1
, *tofree2
;
15880 char_u numbuf1
[NUMBUFLEN
];
15881 char_u numbuf2
[NUMBUFLEN
];
15883 p1
= tv2string(&(*(listitem_T
**)s1
)->li_tv
, &tofree1
, numbuf1
, 0);
15884 p2
= tv2string(&(*(listitem_T
**)s2
)->li_tv
, &tofree2
, numbuf2
, 0);
15889 if (item_compare_ic
)
15890 res
= STRICMP(p1
, p2
);
15892 res
= STRCMP(p1
, p2
);
15899 #ifdef __BORLANDC__
15902 item_compare2(s1
, s2
)
15911 /* shortcut after failure in previous call; compare all items equal */
15912 if (item_compare_func_err
)
15915 /* copy the values. This is needed to be able to set v_lock to VAR_FIXED
15916 * in the copy without changing the original list items. */
15917 copy_tv(&(*(listitem_T
**)s1
)->li_tv
, &argv
[0]);
15918 copy_tv(&(*(listitem_T
**)s2
)->li_tv
, &argv
[1]);
15920 rettv
.v_type
= VAR_UNKNOWN
; /* clear_tv() uses this */
15921 res
= call_func(item_compare_func
, (int)STRLEN(item_compare_func
),
15922 &rettv
, 2, argv
, 0L, 0L, &dummy
, TRUE
, NULL
);
15923 clear_tv(&argv
[0]);
15924 clear_tv(&argv
[1]);
15927 res
= ITEM_COMPARE_FAIL
;
15929 res
= get_tv_number_chk(&rettv
, &item_compare_func_err
);
15930 if (item_compare_func_err
)
15931 res
= ITEM_COMPARE_FAIL
; /* return value has wrong type */
15937 * "sort({list})" function
15940 f_sort(argvars
, rettv
)
15950 rettv
->vval
.v_number
= 0;
15951 if (argvars
[0].v_type
!= VAR_LIST
)
15952 EMSG2(_(e_listarg
), "sort()");
15955 l
= argvars
[0].vval
.v_list
;
15956 if (l
== NULL
|| tv_check_lock(l
->lv_lock
, (char_u
*)"sort()"))
15958 rettv
->vval
.v_list
= l
;
15959 rettv
->v_type
= VAR_LIST
;
15964 return; /* short list sorts pretty quickly */
15966 item_compare_ic
= FALSE
;
15967 item_compare_func
= NULL
;
15968 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
15970 if (argvars
[1].v_type
== VAR_FUNC
)
15971 item_compare_func
= argvars
[1].vval
.v_string
;
15976 i
= get_tv_number_chk(&argvars
[1], &error
);
15978 return; /* type error; errmsg already given */
15980 item_compare_ic
= TRUE
;
15982 item_compare_func
= get_tv_string(&argvars
[1]);
15986 /* Make an array with each entry pointing to an item in the List. */
15987 ptrs
= (listitem_T
**)alloc((int)(len
* sizeof(listitem_T
*)));
15991 for (li
= l
->lv_first
; li
!= NULL
; li
= li
->li_next
)
15994 item_compare_func_err
= FALSE
;
15995 /* test the compare function */
15996 if (item_compare_func
!= NULL
15997 && item_compare2((void *)&ptrs
[0], (void *)&ptrs
[1])
15998 == ITEM_COMPARE_FAIL
)
15999 EMSG(_("E702: Sort compare function failed"));
16002 /* Sort the array with item pointers. */
16003 qsort((void *)ptrs
, (size_t)len
, sizeof(listitem_T
*),
16004 item_compare_func
== NULL
? item_compare
: item_compare2
);
16006 if (!item_compare_func_err
)
16008 /* Clear the List and append the items in the sorted order. */
16009 l
->lv_first
= l
->lv_last
= l
->lv_idx_item
= NULL
;
16011 for (i
= 0; i
< len
; ++i
)
16012 list_append(l
, ptrs
[i
]);
16021 * "soundfold({word})" function
16024 f_soundfold(argvars
, rettv
)
16030 rettv
->v_type
= VAR_STRING
;
16031 s
= get_tv_string(&argvars
[0]);
16033 rettv
->vval
.v_string
= eval_soundfold(s
);
16035 rettv
->vval
.v_string
= vim_strsave(s
);
16040 * "spellbadword()" function
16044 f_spellbadword(argvars
, rettv
)
16048 char_u
*word
= (char_u
*)"";
16049 hlf_T attr
= HLF_COUNT
;
16052 if (rettv_list_alloc(rettv
) == FAIL
)
16056 if (argvars
[0].v_type
== VAR_UNKNOWN
)
16058 /* Find the start and length of the badly spelled word. */
16059 len
= spell_move_to(curwin
, FORWARD
, TRUE
, TRUE
, &attr
);
16061 word
= ml_get_cursor();
16063 else if (curwin
->w_p_spell
&& *curbuf
->b_p_spl
!= NUL
)
16065 char_u
*str
= get_tv_string_chk(&argvars
[0]);
16070 /* Check the argument for spelling. */
16071 while (*str
!= NUL
)
16073 len
= spell_check(curwin
, str
, &attr
, &capcol
, FALSE
);
16074 if (attr
!= HLF_COUNT
)
16085 list_append_string(rettv
->vval
.v_list
, word
, len
);
16086 list_append_string(rettv
->vval
.v_list
, (char_u
*)(
16087 attr
== HLF_SPB
? "bad" :
16088 attr
== HLF_SPR
? "rare" :
16089 attr
== HLF_SPL
? "local" :
16090 attr
== HLF_SPC
? "caps" :
16095 * "spellsuggest()" function
16099 f_spellsuggest(argvars
, rettv
)
16105 int typeerr
= FALSE
;
16110 int need_capital
= FALSE
;
16113 if (rettv_list_alloc(rettv
) == FAIL
)
16117 if (curwin
->w_p_spell
&& *curbuf
->b_p_spl
!= NUL
)
16119 str
= get_tv_string(&argvars
[0]);
16120 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
16122 maxcount
= get_tv_number_chk(&argvars
[1], &typeerr
);
16125 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16127 need_capital
= get_tv_number_chk(&argvars
[2], &typeerr
);
16135 spell_suggest_list(&ga
, str
, maxcount
, need_capital
, FALSE
);
16137 for (i
= 0; i
< ga
.ga_len
; ++i
)
16139 str
= ((char_u
**)ga
.ga_data
)[i
];
16141 li
= listitem_alloc();
16146 li
->li_tv
.v_type
= VAR_STRING
;
16147 li
->li_tv
.v_lock
= 0;
16148 li
->li_tv
.vval
.v_string
= str
;
16149 list_append(rettv
->vval
.v_list
, li
);
16158 f_split(argvars
, rettv
)
16164 char_u
*pat
= NULL
;
16165 regmatch_T regmatch
;
16166 char_u patbuf
[NUMBUFLEN
];
16170 int keepempty
= FALSE
;
16171 int typeerr
= FALSE
;
16173 /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
16175 p_cpo
= (char_u
*)"";
16177 str
= get_tv_string(&argvars
[0]);
16178 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
16180 pat
= get_tv_string_buf_chk(&argvars
[1], patbuf
);
16183 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16184 keepempty
= get_tv_number_chk(&argvars
[2], &typeerr
);
16186 if (pat
== NULL
|| *pat
== NUL
)
16187 pat
= (char_u
*)"[\\x01- ]\\+";
16189 if (rettv_list_alloc(rettv
) == FAIL
)
16194 regmatch
.regprog
= vim_regcomp(pat
, RE_MAGIC
+ RE_STRING
);
16195 if (regmatch
.regprog
!= NULL
)
16197 regmatch
.rm_ic
= FALSE
;
16198 while (*str
!= NUL
|| keepempty
)
16201 match
= FALSE
; /* empty item at the end */
16203 match
= vim_regexec_nl(®match
, str
, col
);
16205 end
= regmatch
.startp
[0];
16207 end
= str
+ STRLEN(str
);
16208 if (keepempty
|| end
> str
|| (rettv
->vval
.v_list
->lv_len
> 0
16209 && *str
!= NUL
&& match
&& end
< regmatch
.endp
[0]))
16211 if (list_append_string(rettv
->vval
.v_list
, str
,
16212 (int)(end
- str
)) == FAIL
)
16217 /* Advance to just after the match. */
16218 if (regmatch
.endp
[0] > str
)
16222 /* Don't get stuck at the same match. */
16224 col
= (*mb_ptr2len
)(regmatch
.endp
[0]);
16229 str
= regmatch
.endp
[0];
16232 vim_free(regmatch
.regprog
);
16240 * "sqrt()" function
16243 f_sqrt(argvars
, rettv
)
16249 rettv
->v_type
= VAR_FLOAT
;
16250 if (get_float_arg(argvars
, &f
) == OK
)
16251 rettv
->vval
.v_float
= sqrt(f
);
16253 rettv
->vval
.v_float
= 0.0;
16257 * "str2float()" function
16260 f_str2float(argvars
, rettv
)
16264 char_u
*p
= skipwhite(get_tv_string(&argvars
[0]));
16267 p
= skipwhite(p
+ 1);
16268 (void)string2float(p
, &rettv
->vval
.v_float
);
16269 rettv
->v_type
= VAR_FLOAT
;
16274 * "str2nr()" function
16277 f_str2nr(argvars
, rettv
)
16285 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
16287 base
= get_tv_number(&argvars
[1]);
16288 if (base
!= 8 && base
!= 10 && base
!= 16)
16295 p
= skipwhite(get_tv_string(&argvars
[0]));
16297 p
= skipwhite(p
+ 1);
16298 vim_str2nr(p
, NULL
, NULL
, base
== 8 ? 2 : 0, base
== 16 ? 2 : 0, &n
, NULL
);
16299 rettv
->vval
.v_number
= n
;
16302 #ifdef HAVE_STRFTIME
16304 * "strftime({format}[, {time}])" function
16307 f_strftime(argvars
, rettv
)
16311 char_u result_buf
[256];
16312 struct tm
*curtime
;
16316 rettv
->v_type
= VAR_STRING
;
16318 p
= get_tv_string(&argvars
[0]);
16319 if (argvars
[1].v_type
== VAR_UNKNOWN
)
16320 seconds
= time(NULL
);
16322 seconds
= (time_t)get_tv_number(&argvars
[1]);
16323 curtime
= localtime(&seconds
);
16324 /* MSVC returns NULL for an invalid value of seconds. */
16325 if (curtime
== NULL
)
16326 rettv
->vval
.v_string
= vim_strsave((char_u
*)_("(Invalid)"));
16333 conv
.vc_type
= CONV_NONE
;
16334 enc
= enc_locale();
16335 convert_setup(&conv
, p_enc
, enc
);
16336 if (conv
.vc_type
!= CONV_NONE
)
16337 p
= string_convert(&conv
, p
, NULL
);
16340 (void)strftime((char *)result_buf
, sizeof(result_buf
),
16341 (char *)p
, curtime
);
16343 result_buf
[0] = NUL
;
16346 if (conv
.vc_type
!= CONV_NONE
)
16348 convert_setup(&conv
, enc
, p_enc
);
16349 if (conv
.vc_type
!= CONV_NONE
)
16350 rettv
->vval
.v_string
= string_convert(&conv
, result_buf
, NULL
);
16353 rettv
->vval
.v_string
= vim_strsave(result_buf
);
16356 /* Release conversion descriptors */
16357 convert_setup(&conv
, NULL
, NULL
);
16365 * "stridx()" function
16368 f_stridx(argvars
, rettv
)
16372 char_u buf
[NUMBUFLEN
];
16375 char_u
*save_haystack
;
16379 needle
= get_tv_string_chk(&argvars
[1]);
16380 save_haystack
= haystack
= get_tv_string_buf_chk(&argvars
[0], buf
);
16381 rettv
->vval
.v_number
= -1;
16382 if (needle
== NULL
|| haystack
== NULL
)
16383 return; /* type error; errmsg already given */
16385 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16389 start_idx
= get_tv_number_chk(&argvars
[2], &error
);
16390 if (error
|| start_idx
>= (int)STRLEN(haystack
))
16392 if (start_idx
>= 0)
16393 haystack
+= start_idx
;
16396 pos
= (char_u
*)strstr((char *)haystack
, (char *)needle
);
16398 rettv
->vval
.v_number
= (varnumber_T
)(pos
- save_haystack
);
16402 * "string()" function
16405 f_string(argvars
, rettv
)
16410 char_u numbuf
[NUMBUFLEN
];
16412 rettv
->v_type
= VAR_STRING
;
16413 rettv
->vval
.v_string
= tv2string(&argvars
[0], &tofree
, numbuf
, 0);
16414 /* Make a copy if we have a value but it's not in allocated memory. */
16415 if (rettv
->vval
.v_string
!= NULL
&& tofree
== NULL
)
16416 rettv
->vval
.v_string
= vim_strsave(rettv
->vval
.v_string
);
16420 * "strlen()" function
16423 f_strlen(argvars
, rettv
)
16427 rettv
->vval
.v_number
= (varnumber_T
)(STRLEN(
16428 get_tv_string(&argvars
[0])));
16432 * "strpart()" function
16435 f_strpart(argvars
, rettv
)
16445 p
= get_tv_string(&argvars
[0]);
16446 slen
= (int)STRLEN(p
);
16448 n
= get_tv_number_chk(&argvars
[1], &error
);
16451 else if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16452 len
= get_tv_number(&argvars
[2]);
16454 len
= slen
- n
; /* default len: all bytes that are available. */
16457 * Only return the overlap between the specified part and the actual
16469 else if (n
+ len
> slen
)
16472 rettv
->v_type
= VAR_STRING
;
16473 rettv
->vval
.v_string
= vim_strnsave(p
+ n
, len
);
16477 * "strridx()" function
16480 f_strridx(argvars
, rettv
)
16484 char_u buf
[NUMBUFLEN
];
16488 char_u
*lastmatch
= NULL
;
16489 int haystack_len
, end_idx
;
16491 needle
= get_tv_string_chk(&argvars
[1]);
16492 haystack
= get_tv_string_buf_chk(&argvars
[0], buf
);
16494 rettv
->vval
.v_number
= -1;
16495 if (needle
== NULL
|| haystack
== NULL
)
16496 return; /* type error; errmsg already given */
16498 haystack_len
= (int)STRLEN(haystack
);
16499 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16501 /* Third argument: upper limit for index */
16502 end_idx
= get_tv_number_chk(&argvars
[2], NULL
);
16504 return; /* can never find a match */
16507 end_idx
= haystack_len
;
16509 if (*needle
== NUL
)
16511 /* Empty string matches past the end. */
16512 lastmatch
= haystack
+ end_idx
;
16516 for (rest
= haystack
; *rest
!= '\0'; ++rest
)
16518 rest
= (char_u
*)strstr((char *)rest
, (char *)needle
);
16519 if (rest
== NULL
|| rest
> haystack
+ end_idx
)
16525 if (lastmatch
== NULL
)
16526 rettv
->vval
.v_number
= -1;
16528 rettv
->vval
.v_number
= (varnumber_T
)(lastmatch
- haystack
);
16532 * "strtrans()" function
16535 f_strtrans(argvars
, rettv
)
16539 rettv
->v_type
= VAR_STRING
;
16540 rettv
->vval
.v_string
= transstr(get_tv_string(&argvars
[0]));
16544 * "submatch()" function
16547 f_submatch(argvars
, rettv
)
16551 rettv
->v_type
= VAR_STRING
;
16552 rettv
->vval
.v_string
=
16553 reg_submatch((int)get_tv_number_chk(&argvars
[0], NULL
));
16557 * "substitute()" function
16560 f_substitute(argvars
, rettv
)
16564 char_u patbuf
[NUMBUFLEN
];
16565 char_u subbuf
[NUMBUFLEN
];
16566 char_u flagsbuf
[NUMBUFLEN
];
16568 char_u
*str
= get_tv_string_chk(&argvars
[0]);
16569 char_u
*pat
= get_tv_string_buf_chk(&argvars
[1], patbuf
);
16570 char_u
*sub
= get_tv_string_buf_chk(&argvars
[2], subbuf
);
16571 char_u
*flg
= get_tv_string_buf_chk(&argvars
[3], flagsbuf
);
16573 rettv
->v_type
= VAR_STRING
;
16574 if (str
== NULL
|| pat
== NULL
|| sub
== NULL
|| flg
== NULL
)
16575 rettv
->vval
.v_string
= NULL
;
16577 rettv
->vval
.v_string
= do_string_sub(str
, pat
, sub
, flg
);
16581 * "synID(lnum, col, trans)" function
16585 f_synID(argvars
, rettv
)
16594 int transerr
= FALSE
;
16596 lnum
= get_tv_lnum(argvars
); /* -1 on type error */
16597 col
= get_tv_number(&argvars
[1]) - 1; /* -1 on type error */
16598 trans
= get_tv_number_chk(&argvars
[2], &transerr
);
16600 if (!transerr
&& lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
16601 && col
>= 0 && col
< (long)STRLEN(ml_get(lnum
)))
16602 id
= syn_get_id(curwin
, lnum
, (colnr_T
)col
, trans
, NULL
, FALSE
);
16605 rettv
->vval
.v_number
= id
;
16609 * "synIDattr(id, what [, mode])" function
16613 f_synIDattr(argvars
, rettv
)
16622 char_u modebuf
[NUMBUFLEN
];
16625 id
= get_tv_number(&argvars
[0]);
16626 what
= get_tv_string(&argvars
[1]);
16627 if (argvars
[2].v_type
!= VAR_UNKNOWN
)
16629 mode
= get_tv_string_buf(&argvars
[2], modebuf
);
16630 modec
= TOLOWER_ASC(mode
[0]);
16631 if (modec
!= 't' && modec
!= 'c'
16636 modec
= 0; /* replace invalid with current */
16652 switch (TOLOWER_ASC(what
[0]))
16655 if (TOLOWER_ASC(what
[1]) == 'g') /* bg[#] */
16656 p
= highlight_color(id
, what
, modec
);
16658 p
= highlight_has_attr(id
, HL_BOLD
, modec
);
16661 case 'f': /* fg[#] */
16662 p
= highlight_color(id
, what
, modec
);
16666 if (TOLOWER_ASC(what
[1]) == 'n') /* inverse */
16667 p
= highlight_has_attr(id
, HL_INVERSE
, modec
);
16669 p
= highlight_has_attr(id
, HL_ITALIC
, modec
);
16672 case 'n': /* name */
16673 p
= get_highlight_name(NULL
, id
- 1);
16676 case 'r': /* reverse */
16677 p
= highlight_has_attr(id
, HL_INVERSE
, modec
);
16681 if (TOLOWER_ASC(what
[1]) == 'p') /* sp[#] */
16682 p
= highlight_color(id
, what
, modec
);
16683 else /* standout */
16684 p
= highlight_has_attr(id
, HL_STANDOUT
, modec
);
16688 if (STRLEN(what
) <= 5 || TOLOWER_ASC(what
[5]) != 'c')
16690 p
= highlight_has_attr(id
, HL_UNDERLINE
, modec
);
16693 p
= highlight_has_attr(id
, HL_UNDERCURL
, modec
);
16698 p
= vim_strsave(p
);
16700 rettv
->v_type
= VAR_STRING
;
16701 rettv
->vval
.v_string
= p
;
16705 * "synIDtrans(id)" function
16709 f_synIDtrans(argvars
, rettv
)
16716 id
= get_tv_number(&argvars
[0]);
16719 id
= syn_get_final_id(id
);
16724 rettv
->vval
.v_number
= id
;
16728 * "synstack(lnum, col)" function
16732 f_synstack(argvars
, rettv
)
16743 rettv
->v_type
= VAR_LIST
;
16744 rettv
->vval
.v_list
= NULL
;
16747 lnum
= get_tv_lnum(argvars
); /* -1 on type error */
16748 col
= get_tv_number(&argvars
[1]) - 1; /* -1 on type error */
16750 if (lnum
>= 1 && lnum
<= curbuf
->b_ml
.ml_line_count
16751 && col
>= 0 && (col
== 0 || col
< (long)STRLEN(ml_get(lnum
)))
16752 && rettv_list_alloc(rettv
) != FAIL
)
16754 (void)syn_get_id(curwin
, lnum
, (colnr_T
)col
, FALSE
, NULL
, TRUE
);
16757 id
= syn_get_stack_item(i
);
16760 if (list_append_number(rettv
->vval
.v_list
, id
) == FAIL
)
16768 * "system()" function
16771 f_system(argvars
, rettv
)
16775 char_u
*res
= NULL
;
16777 char_u
*infile
= NULL
;
16778 char_u buf
[NUMBUFLEN
];
16782 if (check_restricted() || check_secure())
16785 if (argvars
[1].v_type
!= VAR_UNKNOWN
)
16788 * Write the string to a temp file, to be used for input of the shell
16791 if ((infile
= vim_tempname('i')) == NULL
)
16797 fd
= mch_fopen((char *)infile
, WRITEBIN
);
16800 EMSG2(_(e_notopen
), infile
);
16803 p
= get_tv_string_buf_chk(&argvars
[1], buf
);
16807 goto done
; /* type error; errmsg already given */
16809 if (fwrite(p
, STRLEN(p
), 1, fd
) != 1)
16811 if (fclose(fd
) != 0)
16815 EMSG(_("E677: Error writing temp file"));
16820 res
= get_cmd_output(get_tv_string(&argvars
[0]), infile
,
16821 SHELL_SILENT
| SHELL_COOKED
);
16824 /* translate <CR> into <NL> */
16829 for (s
= res
; *s
; ++s
)
16837 /* translate <CR><NL> into <NL> */
16843 for (s
= res
; *s
; ++s
)
16845 if (s
[0] == CAR
&& s
[1] == NL
)
16855 if (infile
!= NULL
)
16857 mch_remove(infile
);
16860 rettv
->v_type
= VAR_STRING
;
16861 rettv
->vval
.v_string
= res
;
16865 * "tabpagebuflist()" function
16869 f_tabpagebuflist(argvars
, rettv
)
16873 #ifndef FEAT_WINDOWS
16874 rettv
->vval
.v_number
= 0;
16879 if (argvars
[0].v_type
== VAR_UNKNOWN
)
16883 tp
= find_tabpage((int)get_tv_number(&argvars
[0]));
16885 wp
= (tp
== curtab
) ? firstwin
: tp
->tp_firstwin
;
16888 rettv
->vval
.v_number
= 0;
16891 if (rettv_list_alloc(rettv
) == FAIL
)
16892 rettv
->vval
.v_number
= 0;
16895 for (; wp
!= NULL
; wp
= wp
->w_next
)
16896 if (list_append_number(rettv
->vval
.v_list
,
16897 wp
->w_buffer
->b_fnum
) == FAIL
)
16906 * "tabpagenr()" function
16910 f_tabpagenr(argvars
, rettv
)
16915 #ifdef FEAT_WINDOWS
16918 if (argvars
[0].v_type
!= VAR_UNKNOWN
)
16920 arg
= get_tv_string_chk(&argvars
[0]);
16924 if (STRCMP(arg
, "$") == 0)
16925 nr
= tabpage_index(NULL
) - 1;
16927 EMSG2(_(e_invexpr2
), arg
);
16931 nr
= tabpage_index(curtab
);
16933 rettv
->vval
.v_number
= nr
;
16937 #ifdef FEAT_WINDOWS
16938 static int get_winnr
__ARGS((tabpage_T
*tp
, typval_T
*argvar
));
16941 * Common code for tabpagewinnr() and winnr().
16944 get_winnr(tp
, argvar
)
16953 twin
= (tp
== curtab
) ? curwin
: tp
->tp_curwin
;
16954 if (argvar
->v_type
!= VAR_UNKNOWN
)
16956 arg
= get_tv_string_chk(argvar
);
16958 nr
= 0; /* type error; errmsg already given */
16959 else if (STRCMP(arg
, "$") == 0)
16960 twin
= (tp
== curtab
) ? lastwin
: tp
->tp_lastwin
;
16961 else if (STRCMP(arg
, "#") == 0)
16963 twin
= (tp
== curtab
) ? prevwin
: tp
->tp_prevwin
;
16969 EMSG2(_(e_invexpr2
), arg
);
16975 for (wp
= (tp
== curtab
) ? firstwin
: tp
->tp_firstwin
;
16976 wp
!= twin
; wp
= wp
->w_next
)
16980 /* didn't find it in this tabpage */
16991 * "tabpagewinnr()" function
16995 f_tabpagewinnr(argvars
, rettv
)
17000 #ifdef FEAT_WINDOWS
17003 tp
= find_tabpage((int)get_tv_number(&argvars
[0]));
17007 nr
= get_winnr(tp
, &argvars
[1]);
17009 rettv
->vval
.v_number
= nr
;
17014 * "tagfiles()" function
17018 f_tagfiles(argvars
, rettv
)
17022 char_u fname
[MAXPATHL
+ 1];
17026 if (rettv_list_alloc(rettv
) == FAIL
)
17028 rettv
->vval
.v_number
= 0;
17032 for (first
= TRUE
; ; first
= FALSE
)
17033 if (get_tagfname(&tn
, first
, fname
) == FAIL
17034 || list_append_string(rettv
->vval
.v_list
, fname
, -1) == FAIL
)
17040 * "taglist()" function
17043 f_taglist(argvars
, rettv
)
17047 char_u
*tag_pattern
;
17049 tag_pattern
= get_tv_string(&argvars
[0]);
17051 rettv
->vval
.v_number
= FALSE
;
17052 if (*tag_pattern
== NUL
)
17055 if (rettv_list_alloc(rettv
) == OK
)
17056 (void)get_tags(rettv
->vval
.v_list
, tag_pattern
);
17060 * "tempname()" function
17064 f_tempname(argvars
, rettv
)
17068 static int x
= 'A';
17070 rettv
->v_type
= VAR_STRING
;
17071 rettv
->vval
.v_string
= vim_tempname(x
);
17073 /* Advance 'x' to use A-Z and 0-9, so that there are at least 34 different
17074 * names. Skip 'I' and 'O', they are used for shell redirection. */
17092 } while (x
== 'I' || x
== 'O');
17096 * "test(list)" function: Just checking the walls...
17100 f_test(argvars
, rettv
)
17104 /* Used for unit testing. Change the code below to your liking. */
17108 char_u
*bad
, *good
;
17110 if (argvars
[0].v_type
!= VAR_LIST
)
17112 l
= argvars
[0].vval
.v_list
;
17118 bad
= get_tv_string(&li
->li_tv
);
17122 good
= get_tv_string(&li
->li_tv
);
17123 rettv
->vval
.v_number
= test_edit_score(bad
, good
);
17128 * "tolower(string)" function
17131 f_tolower(argvars
, rettv
)
17137 p
= vim_strsave(get_tv_string(&argvars
[0]));
17138 rettv
->v_type
= VAR_STRING
;
17139 rettv
->vval
.v_string
= p
;
17151 c
= utf_ptr2char(p
);
17152 lc
= utf_tolower(c
);
17153 l
= utf_ptr2len(p
);
17154 /* TODO: reallocate string when byte count changes. */
17155 if (utf_char2len(lc
) == l
)
17156 utf_char2bytes(lc
, p
);
17159 else if (has_mbyte
&& (l
= (*mb_ptr2len
)(p
)) > 1)
17160 p
+= l
; /* skip multi-byte character */
17164 *p
= TOLOWER_LOC(*p
); /* note that tolower() can be a macro */
17171 * "toupper(string)" function
17174 f_toupper(argvars
, rettv
)
17178 rettv
->v_type
= VAR_STRING
;
17179 rettv
->vval
.v_string
= strup_save(get_tv_string(&argvars
[0]));
17183 * "tr(string, fromstr, tostr)" function
17186 f_tr(argvars
, rettv
)
17203 char_u buf
[NUMBUFLEN
];
17204 char_u buf2
[NUMBUFLEN
];
17207 instr
= get_tv_string(&argvars
[0]);
17208 fromstr
= get_tv_string_buf_chk(&argvars
[1], buf
);
17209 tostr
= get_tv_string_buf_chk(&argvars
[2], buf2
);
17211 /* Default return value: empty string. */
17212 rettv
->v_type
= VAR_STRING
;
17213 rettv
->vval
.v_string
= NULL
;
17214 if (fromstr
== NULL
|| tostr
== NULL
)
17215 return; /* type error; errmsg already given */
17216 ga_init2(&ga
, (int)sizeof(char), 80);
17221 /* not multi-byte: fromstr and tostr must be the same length */
17222 if (STRLEN(fromstr
) != STRLEN(tostr
))
17227 EMSG2(_(e_invarg2
), fromstr
);
17232 /* fromstr and tostr have to contain the same number of chars */
17233 while (*instr
!= NUL
)
17238 inlen
= (*mb_ptr2len
)(instr
);
17242 for (p
= fromstr
; *p
!= NUL
; p
+= fromlen
)
17244 fromlen
= (*mb_ptr2len
)(p
);
17245 if (fromlen
== inlen
&& STRNCMP(instr
, p
, inlen
) == 0)
17247 for (p
= tostr
; *p
!= NUL
; p
+= tolen
)
17249 tolen
= (*mb_ptr2len
)(p
);
17257 if (*p
== NUL
) /* tostr is shorter than fromstr */
17264 if (first
&& cpstr
== instr
)
17266 /* Check that fromstr and tostr have the same number of
17267 * (multi-byte) characters. Done only once when a character
17268 * of instr doesn't appear in fromstr. */
17270 for (p
= tostr
; *p
!= NUL
; p
+= tolen
)
17272 tolen
= (*mb_ptr2len
)(p
);
17279 ga_grow(&ga
, cplen
);
17280 mch_memmove((char *)ga
.ga_data
+ ga
.ga_len
, cpstr
, (size_t)cplen
);
17281 ga
.ga_len
+= cplen
;
17288 /* When not using multi-byte chars we can do it faster. */
17289 p
= vim_strchr(fromstr
, *instr
);
17291 ga_append(&ga
, tostr
[p
- fromstr
]);
17293 ga_append(&ga
, *instr
);
17298 /* add a terminating NUL */
17300 ga_append(&ga
, NUL
);
17302 rettv
->vval
.v_string
= ga
.ga_data
;
17307 * "trunc({float})" function
17310 f_trunc(argvars
, rettv
)
17316 rettv
->v_type
= VAR_FLOAT
;
17317 if (get_float_arg(argvars
, &f
) == OK
)
17318 /* trunc() is not in C90, use floor() or ceil() instead. */
17319 rettv
->vval
.v_float
= f
> 0 ? floor(f
) : ceil(f
);
17321 rettv
->vval
.v_float
= 0.0;
17326 * "type(expr)" function
17329 f_type(argvars
, rettv
)
17335 switch (argvars
[0].v_type
)
17337 case VAR_NUMBER
: n
= 0; break;
17338 case VAR_STRING
: n
= 1; break;
17339 case VAR_FUNC
: n
= 2; break;
17340 case VAR_LIST
: n
= 3; break;
17341 case VAR_DICT
: n
= 4; break;
17343 case VAR_FLOAT
: n
= 5; break;
17345 default: EMSG2(_(e_intern2
), "f_type()"); n
= 0; break;
17347 rettv
->vval
.v_number
= n
;
17351 * "values(dict)" function
17354 f_values(argvars
, rettv
)
17358 dict_list(argvars
, rettv
, 1);
17362 * "virtcol(string)" function
17365 f_virtcol(argvars
, rettv
)
17371 int fnum
= curbuf
->b_fnum
;
17373 fp
= var2fpos(&argvars
[0], FALSE
, &fnum
);
17374 if (fp
!= NULL
&& fp
->lnum
<= curbuf
->b_ml
.ml_line_count
17375 && fnum
== curbuf
->b_fnum
)
17377 getvvcol(curwin
, fp
, NULL
, NULL
, &vcol
);
17381 rettv
->vval
.v_number
= vcol
;
17385 * "visualmode()" function
17389 f_visualmode(argvars
, rettv
)
17396 rettv
->v_type
= VAR_STRING
;
17397 str
[0] = curbuf
->b_visual_mode_eval
;
17399 rettv
->vval
.v_string
= vim_strsave(str
);
17401 /* A non-zero number or non-empty string argument: reset mode. */
17402 if (non_zero_arg(&argvars
[0]))
17403 curbuf
->b_visual_mode_eval
= NUL
;
17405 rettv
->vval
.v_number
= 0; /* return anything, it won't work anyway */
17410 * "winbufnr(nr)" function
17413 f_winbufnr(argvars
, rettv
)
17419 wp
= find_win_by_nr(&argvars
[0], NULL
);
17421 rettv
->vval
.v_number
= -1;
17423 rettv
->vval
.v_number
= wp
->w_buffer
->b_fnum
;
17427 * "wincol()" function
17431 f_wincol(argvars
, rettv
)
17436 rettv
->vval
.v_number
= curwin
->w_wcol
+ 1;
17440 * "winheight(nr)" function
17443 f_winheight(argvars
, rettv
)
17449 wp
= find_win_by_nr(&argvars
[0], NULL
);
17451 rettv
->vval
.v_number
= -1;
17453 rettv
->vval
.v_number
= wp
->w_height
;
17457 * "winline()" function
17461 f_winline(argvars
, rettv
)
17466 rettv
->vval
.v_number
= curwin
->w_wrow
+ 1;
17470 * "winnr()" function
17474 f_winnr(argvars
, rettv
)
17480 #ifdef FEAT_WINDOWS
17481 nr
= get_winnr(curtab
, &argvars
[0]);
17483 rettv
->vval
.v_number
= nr
;
17487 * "winrestcmd()" function
17491 f_winrestcmd(argvars
, rettv
)
17495 #ifdef FEAT_WINDOWS
17501 ga_init2(&ga
, (int)sizeof(char), 70);
17502 for (wp
= firstwin
; wp
!= NULL
; wp
= wp
->w_next
)
17504 sprintf((char *)buf
, "%dresize %d|", winnr
, wp
->w_height
);
17505 ga_concat(&ga
, buf
);
17506 # ifdef FEAT_VERTSPLIT
17507 sprintf((char *)buf
, "vert %dresize %d|", winnr
, wp
->w_width
);
17508 ga_concat(&ga
, buf
);
17512 ga_append(&ga
, NUL
);
17514 rettv
->vval
.v_string
= ga
.ga_data
;
17516 rettv
->vval
.v_string
= NULL
;
17518 rettv
->v_type
= VAR_STRING
;
17522 * "winrestview()" function
17526 f_winrestview(argvars
, rettv
)
17532 if (argvars
[0].v_type
!= VAR_DICT
17533 || (dict
= argvars
[0].vval
.v_dict
) == NULL
)
17537 curwin
->w_cursor
.lnum
= get_dict_number(dict
, (char_u
*)"lnum");
17538 curwin
->w_cursor
.col
= get_dict_number(dict
, (char_u
*)"col");
17539 #ifdef FEAT_VIRTUALEDIT
17540 curwin
->w_cursor
.coladd
= get_dict_number(dict
, (char_u
*)"coladd");
17542 curwin
->w_curswant
= get_dict_number(dict
, (char_u
*)"curswant");
17543 curwin
->w_set_curswant
= FALSE
;
17545 set_topline(curwin
, get_dict_number(dict
, (char_u
*)"topline"));
17547 curwin
->w_topfill
= get_dict_number(dict
, (char_u
*)"topfill");
17549 curwin
->w_leftcol
= get_dict_number(dict
, (char_u
*)"leftcol");
17550 curwin
->w_skipcol
= get_dict_number(dict
, (char_u
*)"skipcol");
17553 changed_cline_bef_curs();
17554 invalidate_botline();
17555 redraw_later(VALID
);
17557 if (curwin
->w_topline
== 0)
17558 curwin
->w_topline
= 1;
17559 if (curwin
->w_topline
> curbuf
->b_ml
.ml_line_count
)
17560 curwin
->w_topline
= curbuf
->b_ml
.ml_line_count
;
17562 check_topfill(curwin
, TRUE
);
17568 * "winsaveview()" function
17572 f_winsaveview(argvars
, rettv
)
17578 dict
= dict_alloc();
17581 rettv
->v_type
= VAR_DICT
;
17582 rettv
->vval
.v_dict
= dict
;
17583 ++dict
->dv_refcount
;
17585 dict_add_nr_str(dict
, "lnum", (long)curwin
->w_cursor
.lnum
, NULL
);
17586 dict_add_nr_str(dict
, "col", (long)curwin
->w_cursor
.col
, NULL
);
17587 #ifdef FEAT_VIRTUALEDIT
17588 dict_add_nr_str(dict
, "coladd", (long)curwin
->w_cursor
.coladd
, NULL
);
17591 dict_add_nr_str(dict
, "curswant", (long)curwin
->w_curswant
, NULL
);
17593 dict_add_nr_str(dict
, "topline", (long)curwin
->w_topline
, NULL
);
17595 dict_add_nr_str(dict
, "topfill", (long)curwin
->w_topfill
, NULL
);
17597 dict_add_nr_str(dict
, "leftcol", (long)curwin
->w_leftcol
, NULL
);
17598 dict_add_nr_str(dict
, "skipcol", (long)curwin
->w_skipcol
, NULL
);
17602 * "winwidth(nr)" function
17605 f_winwidth(argvars
, rettv
)
17611 wp
= find_win_by_nr(&argvars
[0], NULL
);
17613 rettv
->vval
.v_number
= -1;
17615 #ifdef FEAT_VERTSPLIT
17616 rettv
->vval
.v_number
= wp
->w_width
;
17618 rettv
->vval
.v_number
= Columns
;
17623 * "writefile()" function
17626 f_writefile(argvars
, rettv
)
17630 int binary
= FALSE
;
17638 if (check_restricted() || check_secure())
17641 if (argvars
[0].v_type
!= VAR_LIST
)
17643 EMSG2(_(e_listarg
), "writefile()");
17646 if (argvars
[0].vval
.v_list
== NULL
)
17649 if (argvars
[2].v_type
!= VAR_UNKNOWN
17650 && STRCMP(get_tv_string(&argvars
[2]), "b") == 0)
17653 /* Always open the file in binary mode, library functions have a mind of
17654 * their own about CR-LF conversion. */
17655 fname
= get_tv_string(&argvars
[1]);
17656 if (*fname
== NUL
|| (fd
= mch_fopen((char *)fname
, WRITEBIN
)) == NULL
)
17658 EMSG2(_(e_notcreate
), *fname
== NUL
? (char_u
*)_("<empty>") : fname
);
17663 for (li
= argvars
[0].vval
.v_list
->lv_first
; li
!= NULL
;
17666 for (s
= get_tv_string(&li
->li_tv
); *s
!= NUL
; ++s
)
17678 if (!binary
|| li
->li_next
!= NULL
)
17679 if (putc('\n', fd
) == EOF
)
17693 rettv
->vval
.v_number
= ret
;
17697 * Translate a String variable into a position.
17698 * Returns NULL when there is an error.
17701 var2fpos(varp
, dollar_lnum
, fnum
)
17703 int dollar_lnum
; /* TRUE when $ is last line */
17704 int *fnum
; /* set to fnum for '0, 'A, etc. */
17710 /* Argument can be [lnum, col, coladd]. */
17711 if (varp
->v_type
== VAR_LIST
)
17718 l
= varp
->vval
.v_list
;
17722 /* Get the line number */
17723 pos
.lnum
= list_find_nr(l
, 0L, &error
);
17724 if (error
|| pos
.lnum
<= 0 || pos
.lnum
> curbuf
->b_ml
.ml_line_count
)
17725 return NULL
; /* invalid line number */
17727 /* Get the column number */
17728 pos
.col
= list_find_nr(l
, 1L, &error
);
17731 len
= (long)STRLEN(ml_get(pos
.lnum
));
17733 /* We accept "$" for the column number: last column. */
17734 li
= list_find(l
, 1L);
17735 if (li
!= NULL
&& li
->li_tv
.v_type
== VAR_STRING
17736 && li
->li_tv
.vval
.v_string
!= NULL
17737 && STRCMP(li
->li_tv
.vval
.v_string
, "$") == 0)
17740 /* Accept a position up to the NUL after the line. */
17741 if (pos
.col
== 0 || (int)pos
.col
> len
+ 1)
17742 return NULL
; /* invalid column number */
17745 #ifdef FEAT_VIRTUALEDIT
17746 /* Get the virtual offset. Defaults to zero. */
17747 pos
.coladd
= list_find_nr(l
, 2L, &error
);
17755 name
= get_tv_string_chk(varp
);
17758 if (name
[0] == '.') /* cursor */
17759 return &curwin
->w_cursor
;
17761 if (name
[0] == 'v' && name
[1] == NUL
) /* Visual start */
17765 return &curwin
->w_cursor
;
17768 if (name
[0] == '\'') /* mark */
17770 pp
= getmark_fnum(name
[1], FALSE
, fnum
);
17771 if (pp
== NULL
|| pp
== (pos_T
*)-1 || pp
->lnum
<= 0)
17776 #ifdef FEAT_VIRTUALEDIT
17780 if (name
[0] == 'w' && dollar_lnum
)
17783 if (name
[1] == '0') /* "w0": first visible line */
17786 pos
.lnum
= curwin
->w_topline
;
17789 else if (name
[1] == '$') /* "w$": last visible line */
17791 validate_botline();
17792 pos
.lnum
= curwin
->w_botline
- 1;
17796 else if (name
[0] == '$') /* last column or line */
17800 pos
.lnum
= curbuf
->b_ml
.ml_line_count
;
17805 pos
.lnum
= curwin
->w_cursor
.lnum
;
17806 pos
.col
= (colnr_T
)STRLEN(ml_get_curline());
17814 * Convert list in "arg" into a position and optional file number.
17815 * When "fnump" is NULL there is no file number, only 3 items.
17816 * Note that the column is passed on as-is, the caller may want to decrement
17817 * it to use 1 for the first column.
17818 * Return FAIL when conversion is not possible, doesn't check the position for
17822 list2fpos(arg
, posp
, fnump
)
17827 list_T
*l
= arg
->vval
.v_list
;
17831 /* List must be: [fnum, lnum, col, coladd], where "fnum" is only there
17832 * when "fnump" isn't NULL and "coladd" is optional. */
17833 if (arg
->v_type
!= VAR_LIST
17835 || l
->lv_len
< (fnump
== NULL
? 2 : 3)
17836 || l
->lv_len
> (fnump
== NULL
? 3 : 4))
17841 n
= list_find_nr(l
, i
++, NULL
); /* fnum */
17845 n
= curbuf
->b_fnum
; /* current buffer */
17849 n
= list_find_nr(l
, i
++, NULL
); /* lnum */
17854 n
= list_find_nr(l
, i
++, NULL
); /* col */
17859 #ifdef FEAT_VIRTUALEDIT
17860 n
= list_find_nr(l
, i
, NULL
);
17871 * Get the length of an environment variable name.
17872 * Advance "arg" to the first character after the name.
17873 * Return 0 for error.
17882 for (p
= *arg
; vim_isIDc(*p
); ++p
)
17884 if (p
== *arg
) /* no name found */
17887 len
= (int)(p
- *arg
);
17893 * Get the length of the name of a function or internal variable.
17894 * "arg" is advanced to the first non-white character after the name.
17895 * Return 0 if something is wrong.
17904 /* Find the end of the name. */
17905 for (p
= *arg
; eval_isnamec(*p
); ++p
)
17907 if (p
== *arg
) /* no name found */
17910 len
= (int)(p
- *arg
);
17911 *arg
= skipwhite(p
);
17917 * Get the length of the name of a variable or function.
17918 * Only the name is recognized, does not handle ".key" or "[idx]".
17919 * "arg" is advanced to the first non-white character after the name.
17920 * Return -1 if curly braces expansion failed.
17921 * Return 0 if something else is wrong.
17922 * If the name contains 'magic' {}'s, expand them and return the
17923 * expanded name in an allocated string via 'alias' - caller must free.
17926 get_name_len(arg
, alias
, evaluate
, verbose
)
17934 char_u
*expr_start
;
17937 *alias
= NULL
; /* default to no alias */
17939 if ((*arg
)[0] == K_SPECIAL
&& (*arg
)[1] == KS_EXTRA
17940 && (*arg
)[2] == (int)KE_SNR
)
17942 /* hard coded <SNR>, already translated */
17944 return get_id_len(arg
) + 3;
17946 len
= eval_fname_script(*arg
);
17949 /* literal "<SID>", "s:" or "<SNR>" */
17954 * Find the end of the name; check for {} construction.
17956 p
= find_name_end(*arg
, &expr_start
, &expr_end
,
17957 len
> 0 ? 0 : FNE_CHECK_START
);
17958 if (expr_start
!= NULL
)
17960 char_u
*temp_string
;
17964 len
+= (int)(p
- *arg
);
17965 *arg
= skipwhite(p
);
17970 * Include any <SID> etc in the expanded string:
17971 * Thus the -len here.
17973 temp_string
= make_expanded_name(*arg
- len
, expr_start
, expr_end
, p
);
17974 if (temp_string
== NULL
)
17976 *alias
= temp_string
;
17977 *arg
= skipwhite(p
);
17978 return (int)STRLEN(temp_string
);
17981 len
+= get_id_len(arg
);
17982 if (len
== 0 && verbose
)
17983 EMSG2(_(e_invexpr2
), *arg
);
17989 * Find the end of a variable or function name, taking care of magic braces.
17990 * If "expr_start" is not NULL then "expr_start" and "expr_end" are set to the
17991 * start and end of the first magic braces item.
17992 * "flags" can have FNE_INCL_BR and FNE_CHECK_START.
17993 * Return a pointer to just after the name. Equal to "arg" if there is no
17997 find_name_end(arg
, expr_start
, expr_end
, flags
)
17999 char_u
**expr_start
;
18007 if (expr_start
!= NULL
)
18009 *expr_start
= NULL
;
18013 /* Quick check for valid starting character. */
18014 if ((flags
& FNE_CHECK_START
) && !eval_isnamec1(*arg
) && *arg
!= '{')
18017 for (p
= arg
; *p
!= NUL
18018 && (eval_isnamec(*p
)
18020 || ((flags
& FNE_INCL_BR
) && (*p
== '[' || *p
== '.'))
18022 || br_nest
!= 0); mb_ptr_adv(p
))
18026 /* skip over 'string' to avoid counting [ and ] inside it. */
18027 for (p
= p
+ 1; *p
!= NUL
&& *p
!= '\''; mb_ptr_adv(p
))
18032 else if (*p
== '"')
18034 /* skip over "str\"ing" to avoid counting [ and ] inside it. */
18035 for (p
= p
+ 1; *p
!= NUL
&& *p
!= '"'; mb_ptr_adv(p
))
18036 if (*p
== '\\' && p
[1] != NUL
)
18046 else if (*p
== ']')
18055 if (expr_start
!= NULL
&& *expr_start
== NULL
)
18058 else if (*p
== '}')
18061 if (expr_start
!= NULL
&& mb_nest
== 0 && *expr_end
== NULL
)
18071 * Expands out the 'magic' {}'s in a variable/function name.
18072 * Note that this can call itself recursively, to deal with
18073 * constructs like foo{bar}{baz}{bam}
18074 * The four pointer arguments point to "foo{expre}ss{ion}bar"
18080 * Returns a new allocated string, which the caller must free.
18081 * Returns NULL for failure.
18084 make_expanded_name(in_start
, expr_start
, expr_end
, in_end
)
18086 char_u
*expr_start
;
18091 char_u
*retval
= NULL
;
18092 char_u
*temp_result
;
18093 char_u
*nextcmd
= NULL
;
18095 if (expr_end
== NULL
|| in_end
== NULL
)
18102 temp_result
= eval_to_string(expr_start
+ 1, &nextcmd
, FALSE
);
18103 if (temp_result
!= NULL
&& nextcmd
== NULL
)
18105 retval
= alloc((unsigned)(STRLEN(temp_result
) + (expr_start
- in_start
)
18106 + (in_end
- expr_end
) + 1));
18107 if (retval
!= NULL
)
18109 STRCPY(retval
, in_start
);
18110 STRCAT(retval
, temp_result
);
18111 STRCAT(retval
, expr_end
+ 1);
18114 vim_free(temp_result
);
18116 *in_end
= c1
; /* put char back for error messages */
18120 if (retval
!= NULL
)
18122 temp_result
= find_name_end(retval
, &expr_start
, &expr_end
, 0);
18123 if (expr_start
!= NULL
)
18125 /* Further expansion! */
18126 temp_result
= make_expanded_name(retval
, expr_start
,
18127 expr_end
, temp_result
);
18129 retval
= temp_result
;
18137 * Return TRUE if character "c" can be used in a variable or function name.
18138 * Does not include '{' or '}' for magic braces.
18144 return (ASCII_ISALNUM(c
) || c
== '_' || c
== ':' || c
== AUTOLOAD_CHAR
);
18148 * Return TRUE if character "c" can be used as the first character in a
18149 * variable or function name (excluding '{' and '}').
18155 return (ASCII_ISALPHA(c
) || c
== '_');
18159 * Set number v: variable to "val".
18162 set_vim_var_nr(idx
, val
)
18166 vimvars
[idx
].vv_nr
= val
;
18170 * Get number v: variable value.
18173 get_vim_var_nr(idx
)
18176 return vimvars
[idx
].vv_nr
;
18180 * Get string v: variable value. Uses a static buffer, can only be used once.
18183 get_vim_var_str(idx
)
18186 return get_tv_string(&vimvars
[idx
].vv_tv
);
18190 * Get List v: variable value. Caller must take care of reference count when
18194 get_vim_var_list(idx
)
18197 return vimvars
[idx
].vv_list
;
18201 * Set v:count to "count" and v:count1 to "count1".
18202 * When "set_prevcount" is TRUE first set v:prevcount from v:count.
18205 set_vcount(count
, count1
, set_prevcount
)
18211 vimvars
[VV_PREVCOUNT
].vv_nr
= vimvars
[VV_COUNT
].vv_nr
;
18212 vimvars
[VV_COUNT
].vv_nr
= count
;
18213 vimvars
[VV_COUNT1
].vv_nr
= count1
;
18217 * Set string v: variable to a copy of "val".
18220 set_vim_var_string(idx
, val
, len
)
18223 int len
; /* length of "val" to use or -1 (whole string) */
18225 /* Need to do this (at least) once, since we can't initialize a union.
18226 * Will always be invoked when "v:progname" is set. */
18227 vimvars
[VV_VERSION
].vv_nr
= VIM_VERSION_100
;
18229 vim_free(vimvars
[idx
].vv_str
);
18231 vimvars
[idx
].vv_str
= NULL
;
18232 else if (len
== -1)
18233 vimvars
[idx
].vv_str
= vim_strsave(val
);
18235 vimvars
[idx
].vv_str
= vim_strnsave(val
, len
);
18239 * Set List v: variable to "val".
18242 set_vim_var_list(idx
, val
)
18246 list_unref(vimvars
[idx
].vv_list
);
18247 vimvars
[idx
].vv_list
= val
;
18249 ++val
->lv_refcount
;
18253 * Set v:register if needed.
18261 if (c
== 0 || c
== ' ')
18265 /* Avoid free/alloc when the value is already right. */
18266 if (vimvars
[VV_REG
].vv_str
== NULL
|| vimvars
[VV_REG
].vv_str
[0] != c
)
18267 set_vim_var_string(VV_REG
, ®name
, 1);
18271 * Get or set v:exception. If "oldval" == NULL, return the current value.
18272 * Otherwise, restore the value to "oldval" and return NULL.
18273 * Must always be called in pairs to save and restore v:exception! Does not
18274 * take care of memory allocations.
18277 v_exception(oldval
)
18280 if (oldval
== NULL
)
18281 return vimvars
[VV_EXCEPTION
].vv_str
;
18283 vimvars
[VV_EXCEPTION
].vv_str
= oldval
;
18288 * Get or set v:throwpoint. If "oldval" == NULL, return the current value.
18289 * Otherwise, restore the value to "oldval" and return NULL.
18290 * Must always be called in pairs to save and restore v:throwpoint! Does not
18291 * take care of memory allocations.
18294 v_throwpoint(oldval
)
18297 if (oldval
== NULL
)
18298 return vimvars
[VV_THROWPOINT
].vv_str
;
18300 vimvars
[VV_THROWPOINT
].vv_str
= oldval
;
18304 #if defined(FEAT_AUTOCMD) || defined(PROTO)
18307 * If "eap" != NULL, use "eap" to generate the value and return the old value.
18308 * If "oldarg" != NULL, restore the value to "oldarg" and return NULL.
18309 * Must always be called in pairs!
18312 set_cmdarg(eap
, oldarg
)
18320 oldval
= vimvars
[VV_CMDARG
].vv_str
;
18324 vimvars
[VV_CMDARG
].vv_str
= oldarg
;
18328 if (eap
->force_bin
== FORCE_BIN
)
18330 else if (eap
->force_bin
== FORCE_NOBIN
)
18335 if (eap
->read_edit
)
18338 if (eap
->force_ff
!= 0)
18339 len
+= (unsigned)STRLEN(eap
->cmd
+ eap
->force_ff
) + 6;
18341 if (eap
->force_enc
!= 0)
18342 len
+= (unsigned)STRLEN(eap
->cmd
+ eap
->force_enc
) + 7;
18343 if (eap
->bad_char
!= 0)
18344 len
+= (unsigned)STRLEN(eap
->cmd
+ eap
->bad_char
) + 7;
18347 newval
= alloc(len
+ 1);
18348 if (newval
== NULL
)
18351 if (eap
->force_bin
== FORCE_BIN
)
18352 sprintf((char *)newval
, " ++bin");
18353 else if (eap
->force_bin
== FORCE_NOBIN
)
18354 sprintf((char *)newval
, " ++nobin");
18358 if (eap
->read_edit
)
18359 STRCAT(newval
, " ++edit");
18361 if (eap
->force_ff
!= 0)
18362 sprintf((char *)newval
+ STRLEN(newval
), " ++ff=%s",
18363 eap
->cmd
+ eap
->force_ff
);
18365 if (eap
->force_enc
!= 0)
18366 sprintf((char *)newval
+ STRLEN(newval
), " ++enc=%s",
18367 eap
->cmd
+ eap
->force_enc
);
18368 if (eap
->bad_char
!= 0)
18369 sprintf((char *)newval
+ STRLEN(newval
), " ++bad=%s",
18370 eap
->cmd
+ eap
->bad_char
);
18372 vimvars
[VV_CMDARG
].vv_str
= newval
;
18378 * Get the value of internal variable "name".
18379 * Return OK or FAIL.
18382 get_var_tv(name
, len
, rettv
, verbose
)
18384 int len
; /* length of "name" */
18385 typval_T
*rettv
; /* NULL when only checking existence */
18386 int verbose
; /* may give error message */
18389 typval_T
*tv
= NULL
;
18394 /* truncate the name, so that we can use strcmp() */
18399 * Check for "b:changedtick".
18401 if (STRCMP(name
, "b:changedtick") == 0)
18403 atv
.v_type
= VAR_NUMBER
;
18404 atv
.vval
.v_number
= curbuf
->b_changedtick
;
18409 * Check for user-defined variables.
18413 v
= find_var(name
, NULL
);
18420 if (rettv
!= NULL
&& verbose
)
18421 EMSG2(_(e_undefvar
), name
);
18424 else if (rettv
!= NULL
)
18425 copy_tv(tv
, rettv
);
18433 * Handle expr[expr], expr[expr:expr] subscript and .name lookup.
18434 * Also handle function call with Funcref variable: func(expr)
18435 * Can all be combined: dict.func(expr)[idx]['func'](expr)
18438 handle_subscript(arg
, rettv
, evaluate
, verbose
)
18441 int evaluate
; /* do more than finding the end */
18442 int verbose
; /* give error messages */
18445 dict_T
*selfdict
= NULL
;
18452 || (**arg
== '.' && rettv
->v_type
== VAR_DICT
)
18453 || (**arg
== '(' && rettv
->v_type
== VAR_FUNC
))
18454 && !vim_iswhite(*(*arg
- 1)))
18458 /* need to copy the funcref so that we can clear rettv */
18460 rettv
->v_type
= VAR_UNKNOWN
;
18462 /* Invoke the function. Recursive! */
18463 s
= functv
.vval
.v_string
;
18464 ret
= get_func_tv(s
, (int)STRLEN(s
), rettv
, arg
,
18465 curwin
->w_cursor
.lnum
, curwin
->w_cursor
.lnum
,
18466 &len
, evaluate
, selfdict
);
18468 /* Clear the funcref afterwards, so that deleting it while
18469 * evaluating the arguments is possible (see test55). */
18472 /* Stop the expression evaluation when immediately aborting on
18473 * error, or when an interrupt occurred or an exception was thrown
18474 * but not caught. */
18481 dict_unref(selfdict
);
18484 else /* **arg == '[' || **arg == '.' */
18486 dict_unref(selfdict
);
18487 if (rettv
->v_type
== VAR_DICT
)
18489 selfdict
= rettv
->vval
.v_dict
;
18490 if (selfdict
!= NULL
)
18491 ++selfdict
->dv_refcount
;
18495 if (eval_index(arg
, rettv
, evaluate
, verbose
) == FAIL
)
18502 dict_unref(selfdict
);
18507 * Allocate memory for a variable type-value, and make it empty (0 or NULL
18513 return (typval_T
*)alloc_clear((unsigned)sizeof(typval_T
));
18517 * Allocate memory for a variable type-value, and assign a string to it.
18518 * The string "s" must have been allocated, it is consumed.
18519 * Return NULL for out of memory, the variable otherwise.
18527 rettv
= alloc_tv();
18530 rettv
->v_type
= VAR_STRING
;
18531 rettv
->vval
.v_string
= s
;
18539 * Free the memory for a variable type-value.
18547 switch (varp
->v_type
)
18550 func_unref(varp
->vval
.v_string
);
18553 vim_free(varp
->vval
.v_string
);
18556 list_unref(varp
->vval
.v_list
);
18559 dict_unref(varp
->vval
.v_dict
);
18568 EMSG2(_(e_intern2
), "free_tv()");
18576 * Free the memory for a variable value and set the value to NULL or 0.
18584 switch (varp
->v_type
)
18587 func_unref(varp
->vval
.v_string
);
18590 vim_free(varp
->vval
.v_string
);
18591 varp
->vval
.v_string
= NULL
;
18594 list_unref(varp
->vval
.v_list
);
18595 varp
->vval
.v_list
= NULL
;
18598 dict_unref(varp
->vval
.v_dict
);
18599 varp
->vval
.v_dict
= NULL
;
18602 varp
->vval
.v_number
= 0;
18606 varp
->vval
.v_float
= 0.0;
18612 EMSG2(_(e_intern2
), "clear_tv()");
18619 * Set the value of a variable to NULL without freeing items.
18626 vim_memset(varp
, 0, sizeof(typval_T
));
18630 * Get the number value of a variable.
18631 * If it is a String variable, uses vim_str2nr().
18632 * For incompatible types, return 0.
18633 * get_tv_number_chk() is similar to get_tv_number(), but informs the
18634 * caller of incompatible types: it sets *denote to TRUE if "denote"
18635 * is not NULL or returns -1 otherwise.
18638 get_tv_number(varp
)
18643 return get_tv_number_chk(varp
, &error
); /* return 0L on error */
18647 get_tv_number_chk(varp
, denote
)
18653 switch (varp
->v_type
)
18656 return (long)(varp
->vval
.v_number
);
18659 EMSG(_("E805: Using a Float as a Number"));
18663 EMSG(_("E703: Using a Funcref as a Number"));
18666 if (varp
->vval
.v_string
!= NULL
)
18667 vim_str2nr(varp
->vval
.v_string
, NULL
, NULL
,
18668 TRUE
, TRUE
, &n
, NULL
);
18671 EMSG(_("E745: Using a List as a Number"));
18674 EMSG(_("E728: Using a Dictionary as a Number"));
18677 EMSG2(_(e_intern2
), "get_tv_number()");
18680 if (denote
== NULL
) /* useful for values that must be unsigned */
18688 * Get the lnum from the first argument.
18689 * Also accepts ".", "$", etc., but that only works for the current buffer.
18690 * Returns -1 on error.
18693 get_tv_lnum(argvars
)
18699 lnum
= get_tv_number_chk(&argvars
[0], NULL
);
18700 if (lnum
== 0) /* no valid number, try using line() */
18702 rettv
.v_type
= VAR_NUMBER
;
18703 f_line(argvars
, &rettv
);
18704 lnum
= rettv
.vval
.v_number
;
18711 * Get the lnum from the first argument.
18712 * Also accepts "$", then "buf" is used.
18713 * Returns 0 on error.
18716 get_tv_lnum_buf(argvars
, buf
)
18720 if (argvars
[0].v_type
== VAR_STRING
18721 && argvars
[0].vval
.v_string
!= NULL
18722 && argvars
[0].vval
.v_string
[0] == '$'
18724 return buf
->b_ml
.ml_line_count
;
18725 return get_tv_number_chk(&argvars
[0], NULL
);
18729 * Get the string value of a variable.
18730 * If it is a Number variable, the number is converted into a string.
18731 * get_tv_string() uses a single, static buffer. YOU CAN ONLY USE IT ONCE!
18732 * get_tv_string_buf() uses a given buffer.
18733 * If the String variable has never been set, return an empty string.
18734 * Never returns NULL;
18735 * get_tv_string_chk() and get_tv_string_buf_chk() are similar, but return
18739 get_tv_string(varp
)
18742 static char_u mybuf
[NUMBUFLEN
];
18744 return get_tv_string_buf(varp
, mybuf
);
18748 get_tv_string_buf(varp
, buf
)
18752 char_u
*res
= get_tv_string_buf_chk(varp
, buf
);
18754 return res
!= NULL
? res
: (char_u
*)"";
18758 get_tv_string_chk(varp
)
18761 static char_u mybuf
[NUMBUFLEN
];
18763 return get_tv_string_buf_chk(varp
, mybuf
);
18767 get_tv_string_buf_chk(varp
, buf
)
18771 switch (varp
->v_type
)
18774 sprintf((char *)buf
, "%ld", (long)varp
->vval
.v_number
);
18777 EMSG(_("E729: using Funcref as a String"));
18780 EMSG(_("E730: using List as a String"));
18783 EMSG(_("E731: using Dictionary as a String"));
18787 EMSG(_("E806: using Float as a String"));
18791 if (varp
->vval
.v_string
!= NULL
)
18792 return varp
->vval
.v_string
;
18793 return (char_u
*)"";
18795 EMSG2(_(e_intern2
), "get_tv_string_buf()");
18802 * Find variable "name" in the list of variables.
18803 * Return a pointer to it if found, NULL if not found.
18804 * Careful: "a:0" variables don't have a name.
18805 * When "htp" is not NULL we are writing to the variable, set "htp" to the
18808 static dictitem_T
*
18809 find_var(name
, htp
)
18816 ht
= find_var_ht(name
, &varname
);
18821 return find_var_in_ht(ht
, varname
, htp
!= NULL
);
18825 * Find variable "varname" in hashtab "ht".
18826 * Returns NULL if not found.
18828 static dictitem_T
*
18829 find_var_in_ht(ht
, varname
, writing
)
18836 if (*varname
== NUL
)
18838 /* Must be something like "s:", otherwise "ht" would be NULL. */
18839 switch (varname
[-2])
18841 case 's': return &SCRIPT_SV(current_SID
).sv_var
;
18842 case 'g': return &globvars_var
;
18843 case 'v': return &vimvars_var
;
18844 case 'b': return &curbuf
->b_bufvar
;
18845 case 'w': return &curwin
->w_winvar
;
18846 #ifdef FEAT_WINDOWS
18847 case 't': return &curtab
->tp_winvar
;
18849 case 'l': return current_funccal
== NULL
18850 ? NULL
: ¤t_funccal
->l_vars_var
;
18851 case 'a': return current_funccal
== NULL
18852 ? NULL
: ¤t_funccal
->l_avars_var
;
18857 hi
= hash_find(ht
, varname
);
18858 if (HASHITEM_EMPTY(hi
))
18860 /* For global variables we may try auto-loading the script. If it
18861 * worked find the variable again. Don't auto-load a script if it was
18862 * loaded already, otherwise it would be loaded every time when
18863 * checking if a function name is a Funcref variable. */
18864 if (ht
== &globvarht
&& !writing
18865 && script_autoload(varname
, FALSE
) && !aborting())
18866 hi
= hash_find(ht
, varname
);
18867 if (HASHITEM_EMPTY(hi
))
18874 * Find the hashtab used for a variable name.
18875 * Set "varname" to the start of name without ':'.
18878 find_var_ht(name
, varname
)
18884 if (name
[1] != ':')
18886 /* The name must not start with a colon or #. */
18887 if (name
[0] == ':' || name
[0] == AUTOLOAD_CHAR
)
18891 /* "version" is "v:version" in all scopes */
18892 hi
= hash_find(&compat_hashtab
, name
);
18893 if (!HASHITEM_EMPTY(hi
))
18894 return &compat_hashtab
;
18896 if (current_funccal
== NULL
)
18897 return &globvarht
; /* global variable */
18898 return ¤t_funccal
->l_vars
.dv_hashtab
; /* l: variable */
18900 *varname
= name
+ 2;
18901 if (*name
== 'g') /* global variable */
18903 /* There must be no ':' or '#' in the rest of the name, unless g: is used
18905 if (vim_strchr(name
+ 2, ':') != NULL
18906 || vim_strchr(name
+ 2, AUTOLOAD_CHAR
) != NULL
)
18908 if (*name
== 'b') /* buffer variable */
18909 return &curbuf
->b_vars
.dv_hashtab
;
18910 if (*name
== 'w') /* window variable */
18911 return &curwin
->w_vars
.dv_hashtab
;
18912 #ifdef FEAT_WINDOWS
18913 if (*name
== 't') /* tab page variable */
18914 return &curtab
->tp_vars
.dv_hashtab
;
18916 if (*name
== 'v') /* v: variable */
18918 if (*name
== 'a' && current_funccal
!= NULL
) /* function argument */
18919 return ¤t_funccal
->l_avars
.dv_hashtab
;
18920 if (*name
== 'l' && current_funccal
!= NULL
) /* local function variable */
18921 return ¤t_funccal
->l_vars
.dv_hashtab
;
18922 if (*name
== 's' /* script variable */
18923 && current_SID
> 0 && current_SID
<= ga_scripts
.ga_len
)
18924 return &SCRIPT_VARS(current_SID
);
18929 * Get the string value of a (global/local) variable.
18930 * Returns NULL when it doesn't exist.
18933 get_var_value(name
)
18938 v
= find_var(name
, NULL
);
18941 return get_tv_string(&v
->di_tv
);
18945 * Allocate a new hashtab for a sourced script. It will be used while
18946 * sourcing this script and when executing functions defined in the script.
18949 new_script_vars(id
)
18956 if (ga_grow(&ga_scripts
, (int)(id
- ga_scripts
.ga_len
)) == OK
)
18958 /* Re-allocating ga_data means that an ht_array pointing to
18959 * ht_smallarray becomes invalid. We can recognize this: ht_mask is
18960 * at its init value. Also reset "v_dict", it's always the same. */
18961 for (i
= 1; i
<= ga_scripts
.ga_len
; ++i
)
18963 ht
= &SCRIPT_VARS(i
);
18964 if (ht
->ht_mask
== HT_INIT_SIZE
- 1)
18965 ht
->ht_array
= ht
->ht_smallarray
;
18966 sv
= &SCRIPT_SV(i
);
18967 sv
->sv_var
.di_tv
.vval
.v_dict
= &sv
->sv_dict
;
18970 while (ga_scripts
.ga_len
< id
)
18972 sv
= &SCRIPT_SV(ga_scripts
.ga_len
+ 1);
18973 init_var_dict(&sv
->sv_dict
, &sv
->sv_var
);
18974 ++ga_scripts
.ga_len
;
18980 * Initialize dictionary "dict" as a scope and set variable "dict_var" to
18984 init_var_dict(dict
, dict_var
)
18986 dictitem_T
*dict_var
;
18988 hash_init(&dict
->dv_hashtab
);
18989 dict
->dv_refcount
= DO_NOT_FREE_CNT
;
18990 dict_var
->di_tv
.vval
.v_dict
= dict
;
18991 dict_var
->di_tv
.v_type
= VAR_DICT
;
18992 dict_var
->di_tv
.v_lock
= VAR_FIXED
;
18993 dict_var
->di_flags
= DI_FLAGS_RO
| DI_FLAGS_FIX
;
18994 dict_var
->di_key
[0] = NUL
;
18998 * Clean up a list of internal variables.
18999 * Frees all allocated variables and the value they contain.
19000 * Clears hashtab "ht", does not free it.
19006 vars_clear_ext(ht
, TRUE
);
19010 * Like vars_clear(), but only free the value if "free_val" is TRUE.
19013 vars_clear_ext(ht
, free_val
)
19022 todo
= (int)ht
->ht_used
;
19023 for (hi
= ht
->ht_array
; todo
> 0; ++hi
)
19025 if (!HASHITEM_EMPTY(hi
))
19029 /* Free the variable. Don't remove it from the hashtab,
19030 * ht_array might change then. hash_clear() takes care of it
19034 clear_tv(&v
->di_tv
);
19035 if ((v
->di_flags
& DI_FLAGS_FIX
) == 0)
19044 * Delete a variable from hashtab "ht" at item "hi".
19045 * Clear the variable value and free the dictitem.
19052 dictitem_T
*di
= HI2DI(hi
);
19054 hash_remove(ht
, hi
);
19055 clear_tv(&di
->di_tv
);
19060 * List the value of one internal variable.
19063 list_one_var(v
, prefix
, first
)
19070 char_u numbuf
[NUMBUFLEN
];
19072 s
= echo_string(&v
->di_tv
, &tofree
, numbuf
, ++current_copyID
);
19073 list_one_var_a(prefix
, v
->di_key
, v
->di_tv
.v_type
,
19074 s
== NULL
? (char_u
*)"" : s
, first
);
19079 list_one_var_a(prefix
, name
, type
, string
, first
)
19084 int *first
; /* when TRUE clear rest of screen and set to FALSE */
19086 /* don't use msg() or msg_attr() to avoid overwriting "v:statusmsg" */
19089 if (name
!= NULL
) /* "a:" vars don't have a name stored */
19093 if (type
== VAR_NUMBER
)
19095 else if (type
== VAR_FUNC
)
19097 else if (type
== VAR_LIST
)
19100 if (*string
== '[')
19103 else if (type
== VAR_DICT
)
19106 if (*string
== '{')
19112 msg_outtrans(string
);
19114 if (type
== VAR_FUNC
)
19115 msg_puts((char_u
*)"()");
19124 * Set variable "name" to value in "tv".
19125 * If the variable already exists, the value is updated.
19126 * Otherwise the variable is created.
19129 set_var(name
, tv
, copy
)
19132 int copy
; /* make copy of value in "tv" */
19139 if (tv
->v_type
== VAR_FUNC
)
19141 if (!(vim_strchr((char_u
*)"wbs", name
[0]) != NULL
&& name
[1] == ':')
19142 && !ASCII_ISUPPER((name
[0] != NUL
&& name
[1] == ':')
19143 ? name
[2] : name
[0]))
19145 EMSG2(_("E704: Funcref variable name must start with a capital: %s"), name
);
19148 if (function_exists(name
))
19150 EMSG2(_("E705: Variable name conflicts with existing function: %s"),
19156 ht
= find_var_ht(name
, &varname
);
19157 if (ht
== NULL
|| *varname
== NUL
)
19159 EMSG2(_(e_illvar
), name
);
19163 v
= find_var_in_ht(ht
, varname
, TRUE
);
19166 /* existing variable, need to clear the value */
19167 if (var_check_ro(v
->di_flags
, name
)
19168 || tv_check_lock(v
->di_tv
.v_lock
, name
))
19170 if (v
->di_tv
.v_type
!= tv
->v_type
19171 && !((v
->di_tv
.v_type
== VAR_STRING
19172 || v
->di_tv
.v_type
== VAR_NUMBER
)
19173 && (tv
->v_type
== VAR_STRING
19174 || tv
->v_type
== VAR_NUMBER
))
19176 && !((v
->di_tv
.v_type
== VAR_NUMBER
19177 || v
->di_tv
.v_type
== VAR_FLOAT
)
19178 && (tv
->v_type
== VAR_NUMBER
19179 || tv
->v_type
== VAR_FLOAT
))
19183 EMSG2(_("E706: Variable type mismatch for: %s"), name
);
19188 * Handle setting internal v: variables separately: we don't change
19191 if (ht
== &vimvarht
)
19193 if (v
->di_tv
.v_type
== VAR_STRING
)
19195 vim_free(v
->di_tv
.vval
.v_string
);
19196 if (copy
|| tv
->v_type
!= VAR_STRING
)
19197 v
->di_tv
.vval
.v_string
= vim_strsave(get_tv_string(tv
));
19200 /* Take over the string to avoid an extra alloc/free. */
19201 v
->di_tv
.vval
.v_string
= tv
->vval
.v_string
;
19202 tv
->vval
.v_string
= NULL
;
19205 else if (v
->di_tv
.v_type
!= VAR_NUMBER
)
19206 EMSG2(_(e_intern2
), "set_var()");
19209 v
->di_tv
.vval
.v_number
= get_tv_number(tv
);
19210 if (STRCMP(varname
, "searchforward") == 0)
19211 set_search_direction(v
->di_tv
.vval
.v_number
? '/' : '?');
19216 clear_tv(&v
->di_tv
);
19218 else /* add a new variable */
19220 /* Can't add "v:" variable. */
19221 if (ht
== &vimvarht
)
19223 EMSG2(_(e_illvar
), name
);
19227 /* Make sure the variable name is valid. */
19228 for (p
= varname
; *p
!= NUL
; ++p
)
19229 if (!eval_isnamec1(*p
) && (p
== varname
|| !VIM_ISDIGIT(*p
))
19230 && *p
!= AUTOLOAD_CHAR
)
19232 EMSG2(_(e_illvar
), varname
);
19236 v
= (dictitem_T
*)alloc((unsigned)(sizeof(dictitem_T
)
19237 + STRLEN(varname
)));
19240 STRCPY(v
->di_key
, varname
);
19241 if (hash_add(ht
, DI2HIKEY(v
)) == FAIL
)
19249 if (copy
|| tv
->v_type
== VAR_NUMBER
|| tv
->v_type
== VAR_FLOAT
)
19250 copy_tv(tv
, &v
->di_tv
);
19254 v
->di_tv
.v_lock
= 0;
19260 * Return TRUE if di_flags "flags" indicates variable "name" is read-only.
19261 * Also give an error message.
19264 var_check_ro(flags
, name
)
19268 if (flags
& DI_FLAGS_RO
)
19270 EMSG2(_(e_readonlyvar
), name
);
19273 if ((flags
& DI_FLAGS_RO_SBX
) && sandbox
)
19275 EMSG2(_(e_readonlysbx
), name
);
19282 * Return TRUE if di_flags "flags" indicates variable "name" is fixed.
19283 * Also give an error message.
19286 var_check_fixed(flags
, name
)
19290 if (flags
& DI_FLAGS_FIX
)
19292 EMSG2(_("E795: Cannot delete variable %s"), name
);
19299 * Return TRUE if typeval "tv" is set to be locked (immutable).
19300 * Also give an error message, using "name".
19303 tv_check_lock(lock
, name
)
19307 if (lock
& VAR_LOCKED
)
19309 EMSG2(_("E741: Value is locked: %s"),
19310 name
== NULL
? (char_u
*)_("Unknown") : name
);
19313 if (lock
& VAR_FIXED
)
19315 EMSG2(_("E742: Cannot change value of %s"),
19316 name
== NULL
? (char_u
*)_("Unknown") : name
);
19323 * Copy the values from typval_T "from" to typval_T "to".
19324 * When needed allocates string or increases reference count.
19325 * Does not make a copy of a list or dict but copies the reference!
19326 * It is OK for "from" and "to" to point to the same item. This is used to
19327 * make a copy later.
19334 to
->v_type
= from
->v_type
;
19336 switch (from
->v_type
)
19339 to
->vval
.v_number
= from
->vval
.v_number
;
19343 to
->vval
.v_float
= from
->vval
.v_float
;
19348 if (from
->vval
.v_string
== NULL
)
19349 to
->vval
.v_string
= NULL
;
19352 to
->vval
.v_string
= vim_strsave(from
->vval
.v_string
);
19353 if (from
->v_type
== VAR_FUNC
)
19354 func_ref(to
->vval
.v_string
);
19358 if (from
->vval
.v_list
== NULL
)
19359 to
->vval
.v_list
= NULL
;
19362 to
->vval
.v_list
= from
->vval
.v_list
;
19363 ++to
->vval
.v_list
->lv_refcount
;
19367 if (from
->vval
.v_dict
== NULL
)
19368 to
->vval
.v_dict
= NULL
;
19371 to
->vval
.v_dict
= from
->vval
.v_dict
;
19372 ++to
->vval
.v_dict
->dv_refcount
;
19376 EMSG2(_(e_intern2
), "copy_tv()");
19382 * Make a copy of an item.
19383 * Lists and Dictionaries are also copied. A deep copy if "deep" is set.
19384 * For deepcopy() "copyID" is zero for a full copy or the ID for when a
19385 * reference to an already copied list/dict can be used.
19386 * Returns FAIL or OK.
19389 item_copy(from
, to
, deep
, copyID
)
19395 static int recurse
= 0;
19398 if (recurse
>= DICT_MAXNEST
)
19400 EMSG(_("E698: variable nested too deep for making a copy"));
19405 switch (from
->v_type
)
19416 to
->v_type
= VAR_LIST
;
19418 if (from
->vval
.v_list
== NULL
)
19419 to
->vval
.v_list
= NULL
;
19420 else if (copyID
!= 0 && from
->vval
.v_list
->lv_copyID
== copyID
)
19422 /* use the copy made earlier */
19423 to
->vval
.v_list
= from
->vval
.v_list
->lv_copylist
;
19424 ++to
->vval
.v_list
->lv_refcount
;
19427 to
->vval
.v_list
= list_copy(from
->vval
.v_list
, deep
, copyID
);
19428 if (to
->vval
.v_list
== NULL
)
19432 to
->v_type
= VAR_DICT
;
19434 if (from
->vval
.v_dict
== NULL
)
19435 to
->vval
.v_dict
= NULL
;
19436 else if (copyID
!= 0 && from
->vval
.v_dict
->dv_copyID
== copyID
)
19438 /* use the copy made earlier */
19439 to
->vval
.v_dict
= from
->vval
.v_dict
->dv_copydict
;
19440 ++to
->vval
.v_dict
->dv_refcount
;
19443 to
->vval
.v_dict
= dict_copy(from
->vval
.v_dict
, deep
, copyID
);
19444 if (to
->vval
.v_dict
== NULL
)
19448 EMSG2(_(e_intern2
), "item_copy()");
19456 * ":echo expr1 ..." print each argument separated with a space, add a
19457 * newline at the end.
19458 * ":echon expr1 ..." print each argument plain.
19464 char_u
*arg
= eap
->arg
;
19468 int needclr
= TRUE
;
19469 int atstart
= TRUE
;
19470 char_u numbuf
[NUMBUFLEN
];
19474 while (*arg
!= NUL
&& *arg
!= '|' && *arg
!= '\n' && !got_int
)
19476 /* If eval1() causes an error message the text from the command may
19477 * still need to be cleared. E.g., "echo 22,44". */
19478 need_clr_eos
= needclr
;
19481 if (eval1(&arg
, &rettv
, !eap
->skip
) == FAIL
)
19484 * Report the invalid expression unless the expression evaluation
19485 * has been cancelled due to an aborting error, an interrupt, or an
19489 EMSG2(_(e_invexpr2
), p
);
19490 need_clr_eos
= FALSE
;
19493 need_clr_eos
= FALSE
;
19500 /* Call msg_start() after eval1(), evaluating the expression
19501 * may cause a message to appear. */
19502 if (eap
->cmdidx
== CMD_echo
)
19505 else if (eap
->cmdidx
== CMD_echo
)
19506 msg_puts_attr((char_u
*)" ", echo_attr
);
19507 p
= echo_string(&rettv
, &tofree
, numbuf
, ++current_copyID
);
19509 for ( ; *p
!= NUL
&& !got_int
; ++p
)
19511 if (*p
== '\n' || *p
== '\r' || *p
== TAB
)
19513 if (*p
!= TAB
&& needclr
)
19515 /* remove any text still there from the command */
19519 msg_putchar_attr(*p
, echo_attr
);
19526 int i
= (*mb_ptr2len
)(p
);
19528 (void)msg_outtrans_len_attr(p
, i
, echo_attr
);
19533 (void)msg_outtrans_len_attr(p
, 1, echo_attr
);
19539 arg
= skipwhite(arg
);
19541 eap
->nextcmd
= check_nextcmd(arg
);
19547 /* remove text that may still be there from the command */
19550 if (eap
->cmdidx
== CMD_echo
)
19556 * ":echohl {name}".
19564 id
= syn_name2id(eap
->arg
);
19568 echo_attr
= syn_id2attr(id
);
19572 * ":execute expr1 ..." execute the result of an expression.
19573 * ":echomsg expr1 ..." Print a message
19574 * ":echoerr expr1 ..." Print an error
19575 * Each gets spaces around each argument and a newline at the end for
19582 char_u
*arg
= eap
->arg
;
19590 ga_init2(&ga
, 1, 80);
19594 while (*arg
!= NUL
&& *arg
!= '|' && *arg
!= '\n')
19597 if (eval1(&arg
, &rettv
, !eap
->skip
) == FAIL
)
19600 * Report the invalid expression unless the expression evaluation
19601 * has been cancelled due to an aborting error, an interrupt, or an
19605 EMSG2(_(e_invexpr2
), p
);
19612 p
= get_tv_string(&rettv
);
19613 len
= (int)STRLEN(p
);
19614 if (ga_grow(&ga
, len
+ 2) == FAIL
)
19621 ((char_u
*)(ga
.ga_data
))[ga
.ga_len
++] = ' ';
19622 STRCPY((char_u
*)(ga
.ga_data
) + ga
.ga_len
, p
);
19627 arg
= skipwhite(arg
);
19630 if (ret
!= FAIL
&& ga
.ga_data
!= NULL
)
19632 if (eap
->cmdidx
== CMD_echomsg
)
19634 MSG_ATTR(ga
.ga_data
, echo_attr
);
19637 else if (eap
->cmdidx
== CMD_echoerr
)
19639 /* We don't want to abort following commands, restore did_emsg. */
19640 save_did_emsg
= did_emsg
;
19641 EMSG((char_u
*)ga
.ga_data
);
19643 did_emsg
= save_did_emsg
;
19645 else if (eap
->cmdidx
== CMD_execute
)
19646 do_cmdline((char_u
*)ga
.ga_data
,
19647 eap
->getline
, eap
->cookie
, DOCMD_NOWAIT
|DOCMD_VERBOSE
);
19655 eap
->nextcmd
= check_nextcmd(arg
);
19659 * Skip over the name of an option: "&option", "&g:option" or "&l:option".
19660 * "arg" points to the "&" or '+' when called, to "option" when returning.
19661 * Returns NULL when no option name found. Otherwise pointer to the char
19662 * after the option name.
19665 find_option_end(arg
, opt_flags
)
19672 if (*p
== 'g' && p
[1] == ':')
19674 *opt_flags
= OPT_GLOBAL
;
19677 else if (*p
== 'l' && p
[1] == ':')
19679 *opt_flags
= OPT_LOCAL
;
19685 if (!ASCII_ISALPHA(*p
))
19689 if (p
[0] == 't' && p
[1] == '_' && p
[2] != NUL
&& p
[3] != NUL
)
19690 p
+= 4; /* termcap option */
19692 while (ASCII_ISALPHA(*p
))
19707 int saved_did_emsg
;
19708 char_u
*name
= NULL
;
19711 char_u
*line_arg
= NULL
;
19714 int varargs
= FALSE
;
19715 int mustend
= FALSE
;
19720 char_u
*skip_until
= NULL
;
19723 static int func_nr
= 0; /* number for nameless function */
19728 int sourcing_lnum_off
;
19731 * ":function" without argument: list functions.
19733 if (ends_excmd(*eap
->arg
))
19737 todo
= (int)func_hashtab
.ht_used
;
19738 for (hi
= func_hashtab
.ht_array
; todo
> 0 && !got_int
; ++hi
)
19740 if (!HASHITEM_EMPTY(hi
))
19744 if (!isdigit(*fp
->uf_name
))
19745 list_func_head(fp
, FALSE
);
19749 eap
->nextcmd
= check_nextcmd(eap
->arg
);
19754 * ":function /pat": list functions matching pattern.
19756 if (*eap
->arg
== '/')
19758 p
= skip_regexp(eap
->arg
+ 1, '/', TRUE
, NULL
);
19761 regmatch_T regmatch
;
19765 regmatch
.regprog
= vim_regcomp(eap
->arg
+ 1, RE_MAGIC
);
19767 if (regmatch
.regprog
!= NULL
)
19769 regmatch
.rm_ic
= p_ic
;
19771 todo
= (int)func_hashtab
.ht_used
;
19772 for (hi
= func_hashtab
.ht_array
; todo
> 0 && !got_int
; ++hi
)
19774 if (!HASHITEM_EMPTY(hi
))
19778 if (!isdigit(*fp
->uf_name
)
19779 && vim_regexec(®match
, fp
->uf_name
, 0))
19780 list_func_head(fp
, FALSE
);
19787 eap
->nextcmd
= check_nextcmd(p
);
19792 * Get the function name. There are these situations:
19793 * func normal function name
19794 * "name" == func, "fudi.fd_dict" == NULL
19795 * dict.func new dictionary entry
19796 * "name" == NULL, "fudi.fd_dict" set,
19797 * "fudi.fd_di" == NULL, "fudi.fd_newkey" == func
19798 * dict.func existing dict entry with a Funcref
19799 * "name" == func, "fudi.fd_dict" set,
19800 * "fudi.fd_di" set, "fudi.fd_newkey" == NULL
19801 * dict.func existing dict entry that's not a Funcref
19802 * "name" == NULL, "fudi.fd_dict" set,
19803 * "fudi.fd_di" set, "fudi.fd_newkey" == NULL
19806 name
= trans_function_name(&p
, eap
->skip
, 0, &fudi
);
19807 paren
= (vim_strchr(p
, '(') != NULL
);
19808 if (name
== NULL
&& (fudi
.fd_dict
== NULL
|| !paren
) && !eap
->skip
)
19811 * Return on an invalid expression in braces, unless the expression
19812 * evaluation has been cancelled due to an aborting error, an
19813 * interrupt, or an exception.
19817 if (!eap
->skip
&& fudi
.fd_newkey
!= NULL
)
19818 EMSG2(_(e_dictkey
), fudi
.fd_newkey
);
19819 vim_free(fudi
.fd_newkey
);
19826 /* An error in a function call during evaluation of an expression in magic
19827 * braces should not cause the function not to be defined. */
19828 saved_did_emsg
= did_emsg
;
19832 * ":function func" with only function name: list function.
19836 if (!ends_excmd(*skipwhite(p
)))
19838 EMSG(_(e_trailing
));
19841 eap
->nextcmd
= check_nextcmd(p
);
19842 if (eap
->nextcmd
!= NULL
)
19844 if (!eap
->skip
&& !got_int
)
19846 fp
= find_func(name
);
19849 list_func_head(fp
, TRUE
);
19850 for (j
= 0; j
< fp
->uf_lines
.ga_len
&& !got_int
; ++j
)
19852 if (FUNCLINE(fp
, j
) == NULL
)
19855 msg_outnum((long)(j
+ 1));
19860 msg_prt_line(FUNCLINE(fp
, j
), FALSE
);
19861 out_flush(); /* show a line at a time */
19867 msg_puts((char_u
*)" endfunction");
19871 emsg_funcname(N_("E123: Undefined function: %s"), name
);
19877 * ":function name(arg1, arg2)" Define function.
19884 EMSG2(_("E124: Missing '(': %s"), eap
->arg
);
19887 /* attempt to continue by skipping some text */
19888 if (vim_strchr(p
, '(') != NULL
)
19889 p
= vim_strchr(p
, '(');
19891 p
= skipwhite(p
+ 1);
19893 ga_init2(&newargs
, (int)sizeof(char_u
*), 3);
19894 ga_init2(&newlines
, (int)sizeof(char_u
*), 3);
19898 /* Check the name of the function. Unless it's a dictionary function
19899 * (that we are overwriting). */
19903 arg
= fudi
.fd_newkey
;
19904 if (arg
!= NULL
&& (fudi
.fd_di
== NULL
19905 || fudi
.fd_di
->di_tv
.v_type
!= VAR_FUNC
))
19907 if (*arg
== K_SPECIAL
)
19911 while (arg
[j
] != NUL
&& (j
== 0 ? eval_isnamec1(arg
[j
])
19912 : eval_isnamec(arg
[j
])))
19915 emsg_funcname(e_invarg2
, arg
);
19920 * Isolate the arguments: "arg1, arg2, ...)"
19924 if (p
[0] == '.' && p
[1] == '.' && p
[2] == '.')
19933 while (ASCII_ISALNUM(*p
) || *p
== '_')
19935 if (arg
== p
|| isdigit(*arg
)
19936 || (p
- arg
== 9 && STRNCMP(arg
, "firstline", 9) == 0)
19937 || (p
- arg
== 8 && STRNCMP(arg
, "lastline", 8) == 0))
19940 EMSG2(_("E125: Illegal argument: %s"), arg
);
19943 if (ga_grow(&newargs
, 1) == FAIL
)
19947 arg
= vim_strsave(arg
);
19950 ((char_u
**)(newargs
.ga_data
))[newargs
.ga_len
] = arg
;
19959 if (mustend
&& *p
!= ')')
19962 EMSG2(_(e_invarg2
), eap
->arg
);
19966 ++p
; /* skip the ')' */
19968 /* find extra arguments "range", "dict" and "abort" */
19972 if (STRNCMP(p
, "range", 5) == 0)
19977 else if (STRNCMP(p
, "dict", 4) == 0)
19982 else if (STRNCMP(p
, "abort", 5) == 0)
19991 /* When there is a line break use what follows for the function body.
19992 * Makes 'exe "func Test()\n...\nendfunc"' work. */
19995 else if (*p
!= NUL
&& *p
!= '"' && !eap
->skip
&& !did_emsg
)
19996 EMSG(_(e_trailing
));
19999 * Read the body of the function, until ":endfunction" is found.
20003 /* Check if the function already exists, don't let the user type the
20004 * whole function before telling him it doesn't work! For a script we
20005 * need to skip the body to be able to find what follows. */
20006 if (!eap
->skip
&& !eap
->forceit
)
20008 if (fudi
.fd_dict
!= NULL
&& fudi
.fd_newkey
== NULL
)
20009 EMSG(_(e_funcdict
));
20010 else if (name
!= NULL
&& find_func(name
) != NULL
)
20011 emsg_funcname(e_funcexts
, name
);
20014 if (!eap
->skip
&& did_emsg
)
20017 msg_putchar('\n'); /* don't overwrite the function name */
20018 cmdline_row
= msg_row
;
20026 need_wait_return
= FALSE
;
20027 sourcing_lnum_off
= sourcing_lnum
;
20029 if (line_arg
!= NULL
)
20031 /* Use eap->arg, split up in parts by line breaks. */
20032 theline
= line_arg
;
20033 p
= vim_strchr(theline
, '\n');
20035 line_arg
+= STRLEN(line_arg
);
20042 else if (eap
->getline
== NULL
)
20043 theline
= getcmdline(':', 0L, indent
);
20045 theline
= eap
->getline(':', eap
->cookie
, indent
);
20047 lines_left
= Rows
- 1;
20048 if (theline
== NULL
)
20050 EMSG(_("E126: Missing :endfunction"));
20054 /* Detect line continuation: sourcing_lnum increased more than one. */
20055 if (sourcing_lnum
> sourcing_lnum_off
+ 1)
20056 sourcing_lnum_off
= sourcing_lnum
- sourcing_lnum_off
- 1;
20058 sourcing_lnum_off
= 0;
20060 if (skip_until
!= NULL
)
20062 /* between ":append" and "." and between ":python <<EOF" and "EOF"
20063 * don't check for ":endfunc". */
20064 if (STRCMP(theline
, skip_until
) == 0)
20066 vim_free(skip_until
);
20072 /* skip ':' and blanks*/
20073 for (p
= theline
; vim_iswhite(*p
) || *p
== ':'; ++p
)
20076 /* Check for "endfunction". */
20077 if (checkforcmd(&p
, "endfunction", 4) && nesting
-- == 0)
20079 if (line_arg
== NULL
)
20084 /* Increase indent inside "if", "while", "for" and "try", decrease
20086 if (indent
> 2 && STRNCMP(p
, "end", 3) == 0)
20088 else if (STRNCMP(p
, "if", 2) == 0
20089 || STRNCMP(p
, "wh", 2) == 0
20090 || STRNCMP(p
, "for", 3) == 0
20091 || STRNCMP(p
, "try", 3) == 0)
20094 /* Check for defining a function inside this function. */
20095 if (checkforcmd(&p
, "function", 2))
20098 p
= skipwhite(p
+ 1);
20099 p
+= eval_fname_script(p
);
20100 if (ASCII_ISALPHA(*p
))
20102 vim_free(trans_function_name(&p
, TRUE
, 0, NULL
));
20103 if (*skipwhite(p
) == '(')
20111 /* Check for ":append" or ":insert". */
20112 p
= skip_range(p
, NULL
);
20113 if ((p
[0] == 'a' && (!ASCII_ISALPHA(p
[1]) || p
[1] == 'p'))
20115 && (!ASCII_ISALPHA(p
[1]) || (p
[1] == 'n'
20116 && (!ASCII_ISALPHA(p
[2]) || (p
[2] == 's'))))))
20117 skip_until
= vim_strsave((char_u
*)".");
20119 /* Check for ":python <<EOF", ":tcl <<EOF", etc. */
20120 arg
= skipwhite(skiptowhite(p
));
20121 if (arg
[0] == '<' && arg
[1] =='<'
20122 && ((p
[0] == 'p' && p
[1] == 'y'
20123 && (!ASCII_ISALPHA(p
[2]) || p
[2] == 't'))
20124 || (p
[0] == 'p' && p
[1] == 'e'
20125 && (!ASCII_ISALPHA(p
[2]) || p
[2] == 'r'))
20126 || (p
[0] == 't' && p
[1] == 'c'
20127 && (!ASCII_ISALPHA(p
[2]) || p
[2] == 'l'))
20128 || (p
[0] == 'r' && p
[1] == 'u' && p
[2] == 'b'
20129 && (!ASCII_ISALPHA(p
[3]) || p
[3] == 'y'))
20130 || (p
[0] == 'm' && p
[1] == 'z'
20131 && (!ASCII_ISALPHA(p
[2]) || p
[2] == 's'))
20134 /* ":python <<" continues until a dot, like ":append" */
20135 p
= skipwhite(arg
+ 2);
20137 skip_until
= vim_strsave((char_u
*)".");
20139 skip_until
= vim_strsave(p
);
20143 /* Add the line to the function. */
20144 if (ga_grow(&newlines
, 1 + sourcing_lnum_off
) == FAIL
)
20146 if (line_arg
== NULL
)
20151 /* Copy the line to newly allocated memory. get_one_sourceline()
20152 * allocates 250 bytes per line, this saves 80% on average. The cost
20153 * is an extra alloc/free. */
20154 p
= vim_strsave(theline
);
20157 if (line_arg
== NULL
)
20162 ((char_u
**)(newlines
.ga_data
))[newlines
.ga_len
++] = theline
;
20164 /* Add NULL lines for continuation lines, so that the line count is
20165 * equal to the index in the growarray. */
20166 while (sourcing_lnum_off
-- > 0)
20167 ((char_u
**)(newlines
.ga_data
))[newlines
.ga_len
++] = NULL
;
20169 /* Check for end of eap->arg. */
20170 if (line_arg
!= NULL
&& *line_arg
== NUL
)
20174 /* Don't define the function when skipping commands or when an error was
20176 if (eap
->skip
|| did_emsg
)
20180 * If there are no errors, add the function
20182 if (fudi
.fd_dict
== NULL
)
20184 v
= find_var(name
, &ht
);
20185 if (v
!= NULL
&& v
->di_tv
.v_type
== VAR_FUNC
)
20187 emsg_funcname(N_("E707: Function name conflicts with variable: %s"),
20192 fp
= find_func(name
);
20197 emsg_funcname(e_funcexts
, name
);
20200 if (fp
->uf_calls
> 0)
20202 emsg_funcname(N_("E127: Cannot redefine function %s: It is in use"),
20206 /* redefine existing function */
20207 ga_clear_strings(&(fp
->uf_args
));
20208 ga_clear_strings(&(fp
->uf_lines
));
20218 if (fudi
.fd_newkey
== NULL
&& !eap
->forceit
)
20220 EMSG(_(e_funcdict
));
20223 if (fudi
.fd_di
== NULL
)
20225 /* Can't add a function to a locked dictionary */
20226 if (tv_check_lock(fudi
.fd_dict
->dv_lock
, eap
->arg
))
20229 /* Can't change an existing function if it is locked */
20230 else if (tv_check_lock(fudi
.fd_di
->di_tv
.v_lock
, eap
->arg
))
20233 /* Give the function a sequential number. Can only be used with a
20236 sprintf(numbuf
, "%d", ++func_nr
);
20237 name
= vim_strsave((char_u
*)numbuf
);
20244 if (fudi
.fd_dict
== NULL
&& vim_strchr(name
, AUTOLOAD_CHAR
) != NULL
)
20247 char_u
*scriptname
;
20249 /* Check that the autoload name matches the script name. */
20251 if (sourcing_name
!= NULL
)
20253 scriptname
= autoload_name(name
);
20254 if (scriptname
!= NULL
)
20256 p
= vim_strchr(scriptname
, '/');
20257 plen
= (int)STRLEN(p
);
20258 slen
= (int)STRLEN(sourcing_name
);
20259 if (slen
> plen
&& fnamecmp(p
,
20260 sourcing_name
+ slen
- plen
) == 0)
20262 vim_free(scriptname
);
20267 EMSG2(_("E746: Function name does not match script file name: %s"), name
);
20272 fp
= (ufunc_T
*)alloc((unsigned)(sizeof(ufunc_T
) + STRLEN(name
)));
20276 if (fudi
.fd_dict
!= NULL
)
20278 if (fudi
.fd_di
== NULL
)
20280 /* add new dict entry */
20281 fudi
.fd_di
= dictitem_alloc(fudi
.fd_newkey
);
20282 if (fudi
.fd_di
== NULL
)
20287 if (dict_add(fudi
.fd_dict
, fudi
.fd_di
) == FAIL
)
20289 vim_free(fudi
.fd_di
);
20295 /* overwrite existing dict entry */
20296 clear_tv(&fudi
.fd_di
->di_tv
);
20297 fudi
.fd_di
->di_tv
.v_type
= VAR_FUNC
;
20298 fudi
.fd_di
->di_tv
.v_lock
= 0;
20299 fudi
.fd_di
->di_tv
.vval
.v_string
= vim_strsave(name
);
20300 fp
->uf_refcount
= 1;
20302 /* behave like "dict" was used */
20306 /* insert the new function in the function list */
20307 STRCPY(fp
->uf_name
, name
);
20308 hash_add(&func_hashtab
, UF2HIKEY(fp
));
20310 fp
->uf_args
= newargs
;
20311 fp
->uf_lines
= newlines
;
20312 #ifdef FEAT_PROFILE
20313 fp
->uf_tml_count
= NULL
;
20314 fp
->uf_tml_total
= NULL
;
20315 fp
->uf_tml_self
= NULL
;
20316 fp
->uf_profiling
= FALSE
;
20317 if (prof_def_func())
20318 func_do_profile(fp
);
20320 fp
->uf_varargs
= varargs
;
20321 fp
->uf_flags
= flags
;
20323 fp
->uf_script_ID
= current_SID
;
20327 ga_clear_strings(&newargs
);
20328 ga_clear_strings(&newlines
);
20330 vim_free(skip_until
);
20331 vim_free(fudi
.fd_newkey
);
20333 did_emsg
|= saved_did_emsg
;
20337 * Get a function name, translating "<SID>" and "<SNR>".
20338 * Also handles a Funcref in a List or Dictionary.
20339 * Returns the function name in allocated memory, or NULL for failure.
20341 * TFN_INT: internal function name OK
20342 * TFN_QUIET: be quiet
20343 * Advances "pp" to just after the function name (if no error).
20346 trans_function_name(pp
, skip
, flags
, fdp
)
20348 int skip
; /* only find the end, don't evaluate */
20350 funcdict_T
*fdp
; /* return: info about dictionary used */
20352 char_u
*name
= NULL
;
20356 char_u sid_buf
[20];
20361 vim_memset(fdp
, 0, sizeof(funcdict_T
));
20364 /* Check for hard coded <SNR>: already translated function ID (from a user
20366 if ((*pp
)[0] == K_SPECIAL
&& (*pp
)[1] == KS_EXTRA
20367 && (*pp
)[2] == (int)KE_SNR
)
20370 len
= get_id_len(pp
) + 3;
20371 return vim_strnsave(start
, len
);
20374 /* A name starting with "<SID>" or "<SNR>" is local to a script. But
20375 * don't skip over "s:", get_lval() needs it for "s:dict.func". */
20376 lead
= eval_fname_script(start
);
20380 end
= get_lval(start
, NULL
, &lv
, FALSE
, skip
, flags
& TFN_QUIET
,
20381 lead
> 2 ? 0 : FNE_CHECK_START
);
20385 EMSG(_("E129: Function name required"));
20388 if (end
== NULL
|| (lv
.ll_tv
!= NULL
&& (lead
> 2 || lv
.ll_range
)))
20391 * Report an invalid expression in braces, unless the expression
20392 * evaluation has been cancelled due to an aborting error, an
20393 * interrupt, or an exception.
20398 EMSG2(_(e_invarg2
), start
);
20401 *pp
= find_name_end(start
, NULL
, NULL
, FNE_INCL_BR
);
20405 if (lv
.ll_tv
!= NULL
)
20409 fdp
->fd_dict
= lv
.ll_dict
;
20410 fdp
->fd_newkey
= lv
.ll_newkey
;
20411 lv
.ll_newkey
= NULL
;
20412 fdp
->fd_di
= lv
.ll_di
;
20414 if (lv
.ll_tv
->v_type
== VAR_FUNC
&& lv
.ll_tv
->vval
.v_string
!= NULL
)
20416 name
= vim_strsave(lv
.ll_tv
->vval
.v_string
);
20421 if (!skip
&& !(flags
& TFN_QUIET
) && (fdp
== NULL
20422 || lv
.ll_dict
== NULL
|| fdp
->fd_newkey
== NULL
))
20423 EMSG(_(e_funcref
));
20431 if (lv
.ll_name
== NULL
)
20433 /* Error found, but continue after the function name. */
20438 /* Check if the name is a Funcref. If so, use the value. */
20439 if (lv
.ll_exp_name
!= NULL
)
20441 len
= (int)STRLEN(lv
.ll_exp_name
);
20442 name
= deref_func_name(lv
.ll_exp_name
, &len
);
20443 if (name
== lv
.ll_exp_name
)
20448 len
= (int)(end
- *pp
);
20449 name
= deref_func_name(*pp
, &len
);
20455 name
= vim_strsave(name
);
20460 if (lv
.ll_exp_name
!= NULL
)
20462 len
= (int)STRLEN(lv
.ll_exp_name
);
20463 if (lead
<= 2 && lv
.ll_name
== lv
.ll_exp_name
20464 && STRNCMP(lv
.ll_name
, "s:", 2) == 0)
20466 /* When there was "s:" already or the name expanded to get a
20467 * leading "s:" then remove it. */
20475 if (lead
== 2) /* skip over "s:" */
20477 len
= (int)(end
- lv
.ll_name
);
20481 * Copy the function name to allocated memory.
20482 * Accept <SID>name() inside a script, translate into <SNR>123_name().
20483 * Accept <SNR>123_name() outside a script.
20486 lead
= 0; /* do nothing */
20490 if ((lv
.ll_exp_name
!= NULL
&& eval_fname_sid(lv
.ll_exp_name
))
20491 || eval_fname_sid(*pp
))
20493 /* It's "s:" or "<SID>" */
20494 if (current_SID
<= 0)
20496 EMSG(_(e_usingsid
));
20499 sprintf((char *)sid_buf
, "%ld_", (long)current_SID
);
20500 lead
+= (int)STRLEN(sid_buf
);
20503 else if (!(flags
& TFN_INT
) && builtin_function(lv
.ll_name
))
20505 EMSG2(_("E128: Function name must start with a capital or contain a colon: %s"), lv
.ll_name
);
20508 name
= alloc((unsigned)(len
+ lead
+ 1));
20513 name
[0] = K_SPECIAL
;
20514 name
[1] = KS_EXTRA
;
20515 name
[2] = (int)KE_SNR
;
20516 if (lead
> 3) /* If it's "<SID>" */
20517 STRCPY(name
+ 3, sid_buf
);
20519 mch_memmove(name
+ lead
, lv
.ll_name
, (size_t)len
);
20520 name
[len
+ lead
] = NUL
;
20530 * Return 5 if "p" starts with "<SID>" or "<SNR>" (ignoring case).
20531 * Return 2 if "p" starts with "s:".
20532 * Return 0 otherwise.
20535 eval_fname_script(p
)
20538 if (p
[0] == '<' && (STRNICMP(p
+ 1, "SID>", 4) == 0
20539 || STRNICMP(p
+ 1, "SNR>", 4) == 0))
20541 if (p
[0] == 's' && p
[1] == ':')
20547 * Return TRUE if "p" starts with "<SID>" or "s:".
20548 * Only works if eval_fname_script() returned non-zero for "p"!
20554 return (*p
== 's' || TOUPPER_ASC(p
[2]) == 'I');
20558 * List the head of the function: "name(arg1, arg2)".
20561 list_func_head(fp
, indent
)
20570 MSG_PUTS("function ");
20571 if (fp
->uf_name
[0] == K_SPECIAL
)
20573 MSG_PUTS_ATTR("<SNR>", hl_attr(HLF_8
));
20574 msg_puts(fp
->uf_name
+ 3);
20577 msg_puts(fp
->uf_name
);
20579 for (j
= 0; j
< fp
->uf_args
.ga_len
; ++j
)
20583 msg_puts(FUNCARG(fp
, j
));
20585 if (fp
->uf_varargs
)
20594 last_set_msg(fp
->uf_script_ID
);
20598 * Find a function by name, return pointer to it in ufuncs.
20599 * Return NULL for unknown function.
20607 hi
= hash_find(&func_hashtab
, name
);
20608 if (!HASHITEM_EMPTY(hi
))
20613 #if defined(EXITFREE) || defined(PROTO)
20615 free_all_functions()
20619 /* Need to start all over every time, because func_free() may change the
20621 while (func_hashtab
.ht_used
> 0)
20622 for (hi
= func_hashtab
.ht_array
; ; ++hi
)
20623 if (!HASHITEM_EMPTY(hi
))
20625 func_free(HI2UF(hi
));
20632 * Return TRUE if a function "name" exists.
20635 function_exists(name
)
20642 p
= trans_function_name(&nm
, FALSE
, TFN_INT
|TFN_QUIET
, NULL
);
20643 nm
= skipwhite(nm
);
20645 /* Only accept "funcname", "funcname ", "funcname (..." and
20646 * "funcname(...", not "funcname!...". */
20647 if (p
!= NULL
&& (*nm
== NUL
|| *nm
== '('))
20649 if (builtin_function(p
))
20650 n
= (find_internal_func(p
) >= 0);
20652 n
= (find_func(p
) != NULL
);
20659 * Return TRUE if "name" looks like a builtin function name: starts with a
20660 * lower case letter and doesn't contain a ':' or AUTOLOAD_CHAR.
20663 builtin_function(name
)
20666 return ASCII_ISLOWER(name
[0]) && vim_strchr(name
, ':') == NULL
20667 && vim_strchr(name
, AUTOLOAD_CHAR
) == NULL
;
20670 #if defined(FEAT_PROFILE) || defined(PROTO)
20672 * Start profiling function "fp".
20675 func_do_profile(fp
)
20678 fp
->uf_tm_count
= 0;
20679 profile_zero(&fp
->uf_tm_self
);
20680 profile_zero(&fp
->uf_tm_total
);
20681 if (fp
->uf_tml_count
== NULL
)
20682 fp
->uf_tml_count
= (int *)alloc_clear((unsigned)
20683 (sizeof(int) * fp
->uf_lines
.ga_len
));
20684 if (fp
->uf_tml_total
== NULL
)
20685 fp
->uf_tml_total
= (proftime_T
*)alloc_clear((unsigned)
20686 (sizeof(proftime_T
) * fp
->uf_lines
.ga_len
));
20687 if (fp
->uf_tml_self
== NULL
)
20688 fp
->uf_tml_self
= (proftime_T
*)alloc_clear((unsigned)
20689 (sizeof(proftime_T
) * fp
->uf_lines
.ga_len
));
20690 fp
->uf_tml_idx
= -1;
20691 if (fp
->uf_tml_count
== NULL
|| fp
->uf_tml_total
== NULL
20692 || fp
->uf_tml_self
== NULL
)
20693 return; /* out of memory */
20695 fp
->uf_profiling
= TRUE
;
20699 * Dump the profiling results for all functions in file "fd".
20702 func_dump_profile(fd
)
20712 todo
= (int)func_hashtab
.ht_used
;
20714 return; /* nothing to dump */
20716 sorttab
= (ufunc_T
**)alloc((unsigned)(sizeof(ufunc_T
) * todo
));
20718 for (hi
= func_hashtab
.ht_array
; todo
> 0; ++hi
)
20720 if (!HASHITEM_EMPTY(hi
))
20724 if (fp
->uf_profiling
)
20726 if (sorttab
!= NULL
)
20727 sorttab
[st_len
++] = fp
;
20729 if (fp
->uf_name
[0] == K_SPECIAL
)
20730 fprintf(fd
, "FUNCTION <SNR>%s()\n", fp
->uf_name
+ 3);
20732 fprintf(fd
, "FUNCTION %s()\n", fp
->uf_name
);
20733 if (fp
->uf_tm_count
== 1)
20734 fprintf(fd
, "Called 1 time\n");
20736 fprintf(fd
, "Called %d times\n", fp
->uf_tm_count
);
20737 fprintf(fd
, "Total time: %s\n", profile_msg(&fp
->uf_tm_total
));
20738 fprintf(fd
, " Self time: %s\n", profile_msg(&fp
->uf_tm_self
));
20740 fprintf(fd
, "count total (s) self (s)\n");
20742 for (i
= 0; i
< fp
->uf_lines
.ga_len
; ++i
)
20744 if (FUNCLINE(fp
, i
) == NULL
)
20746 prof_func_line(fd
, fp
->uf_tml_count
[i
],
20747 &fp
->uf_tml_total
[i
], &fp
->uf_tml_self
[i
], TRUE
);
20748 fprintf(fd
, "%s\n", FUNCLINE(fp
, i
));
20755 if (sorttab
!= NULL
&& st_len
> 0)
20757 qsort((void *)sorttab
, (size_t)st_len
, sizeof(ufunc_T
*),
20759 prof_sort_list(fd
, sorttab
, st_len
, "TOTAL", FALSE
);
20760 qsort((void *)sorttab
, (size_t)st_len
, sizeof(ufunc_T
*),
20762 prof_sort_list(fd
, sorttab
, st_len
, "SELF", TRUE
);
20769 prof_sort_list(fd
, sorttab
, st_len
, title
, prefer_self
)
20774 int prefer_self
; /* when equal print only self time */
20779 fprintf(fd
, "FUNCTIONS SORTED ON %s TIME\n", title
);
20780 fprintf(fd
, "count total (s) self (s) function\n");
20781 for (i
= 0; i
< 20 && i
< st_len
; ++i
)
20784 prof_func_line(fd
, fp
->uf_tm_count
, &fp
->uf_tm_total
, &fp
->uf_tm_self
,
20786 if (fp
->uf_name
[0] == K_SPECIAL
)
20787 fprintf(fd
, " <SNR>%s()\n", fp
->uf_name
+ 3);
20789 fprintf(fd
, " %s()\n", fp
->uf_name
);
20795 * Print the count and times for one function or function line.
20798 prof_func_line(fd
, count
, total
, self
, prefer_self
)
20803 int prefer_self
; /* when equal print only self time */
20807 fprintf(fd
, "%5d ", count
);
20808 if (prefer_self
&& profile_equal(total
, self
))
20811 fprintf(fd
, "%s ", profile_msg(total
));
20812 if (!prefer_self
&& profile_equal(total
, self
))
20815 fprintf(fd
, "%s ", profile_msg(self
));
20822 * Compare function for total time sorting.
20825 #ifdef __BORLANDC__
20828 prof_total_cmp(s1
, s2
)
20834 p1
= *(ufunc_T
**)s1
;
20835 p2
= *(ufunc_T
**)s2
;
20836 return profile_cmp(&p1
->uf_tm_total
, &p2
->uf_tm_total
);
20840 * Compare function for self time sorting.
20843 #ifdef __BORLANDC__
20846 prof_self_cmp(s1
, s2
)
20852 p1
= *(ufunc_T
**)s1
;
20853 p2
= *(ufunc_T
**)s2
;
20854 return profile_cmp(&p1
->uf_tm_self
, &p2
->uf_tm_self
);
20860 * If "name" has a package name try autoloading the script for it.
20861 * Return TRUE if a package was loaded.
20864 script_autoload(name
, reload
)
20866 int reload
; /* load script again when already loaded */
20869 char_u
*scriptname
, *tofree
;
20873 /* If there is no '#' after name[0] there is no package name. */
20874 p
= vim_strchr(name
, AUTOLOAD_CHAR
);
20875 if (p
== NULL
|| p
== name
)
20878 tofree
= scriptname
= autoload_name(name
);
20880 /* Find the name in the list of previously loaded package names. Skip
20881 * "autoload/", it's always the same. */
20882 for (i
= 0; i
< ga_loaded
.ga_len
; ++i
)
20883 if (STRCMP(((char_u
**)ga_loaded
.ga_data
)[i
] + 9, scriptname
+ 9) == 0)
20885 if (!reload
&& i
< ga_loaded
.ga_len
)
20886 ret
= FALSE
; /* was loaded already */
20889 /* Remember the name if it wasn't loaded already. */
20890 if (i
== ga_loaded
.ga_len
&& ga_grow(&ga_loaded
, 1) == OK
)
20892 ((char_u
**)ga_loaded
.ga_data
)[ga_loaded
.ga_len
++] = scriptname
;
20896 /* Try loading the package from $VIMRUNTIME/autoload/<name>.vim */
20897 if (source_runtime(scriptname
, FALSE
) == OK
)
20906 * Return the autoload script name for a function or variable name.
20907 * Returns NULL when out of memory.
20910 autoload_name(name
)
20914 char_u
*scriptname
;
20916 /* Get the script file name: replace '#' with '/', append ".vim". */
20917 scriptname
= alloc((unsigned)(STRLEN(name
) + 14));
20918 if (scriptname
== NULL
)
20920 STRCPY(scriptname
, "autoload/");
20921 STRCAT(scriptname
, name
);
20922 *vim_strrchr(scriptname
, AUTOLOAD_CHAR
) = NUL
;
20923 STRCAT(scriptname
, ".vim");
20924 while ((p
= vim_strchr(scriptname
, AUTOLOAD_CHAR
)) != NULL
)
20929 #if defined(FEAT_CMDL_COMPL) || defined(PROTO)
20932 * Function given to ExpandGeneric() to obtain the list of user defined
20936 get_user_func_name(xp
, idx
)
20940 static long_u done
;
20941 static hashitem_T
*hi
;
20947 hi
= func_hashtab
.ht_array
;
20949 if (done
< func_hashtab
.ht_used
)
20953 while (HASHITEM_EMPTY(hi
))
20957 if (STRLEN(fp
->uf_name
) + 4 >= IOSIZE
)
20958 return fp
->uf_name
; /* prevents overflow */
20960 cat_func_name(IObuff
, fp
);
20961 if (xp
->xp_context
!= EXPAND_USER_FUNC
)
20963 STRCAT(IObuff
, "(");
20964 if (!fp
->uf_varargs
&& fp
->uf_args
.ga_len
== 0)
20965 STRCAT(IObuff
, ")");
20972 #endif /* FEAT_CMDL_COMPL */
20975 * Copy the function name of "fp" to buffer "buf".
20976 * "buf" must be able to hold the function name plus three bytes.
20977 * Takes care of script-local function names.
20980 cat_func_name(buf
, fp
)
20984 if (fp
->uf_name
[0] == K_SPECIAL
)
20986 STRCPY(buf
, "<SNR>");
20987 STRCAT(buf
, fp
->uf_name
+ 3);
20990 STRCPY(buf
, fp
->uf_name
);
20994 * ":delfunction {name}"
20997 ex_delfunction(eap
)
21000 ufunc_T
*fp
= NULL
;
21006 name
= trans_function_name(&p
, eap
->skip
, 0, &fudi
);
21007 vim_free(fudi
.fd_newkey
);
21010 if (fudi
.fd_dict
!= NULL
&& !eap
->skip
)
21011 EMSG(_(e_funcref
));
21014 if (!ends_excmd(*skipwhite(p
)))
21017 EMSG(_(e_trailing
));
21020 eap
->nextcmd
= check_nextcmd(p
);
21021 if (eap
->nextcmd
!= NULL
)
21025 fp
= find_func(name
);
21032 EMSG2(_(e_nofunc
), eap
->arg
);
21035 if (fp
->uf_calls
> 0)
21037 EMSG2(_("E131: Cannot delete function %s: It is in use"), eap
->arg
);
21041 if (fudi
.fd_dict
!= NULL
)
21043 /* Delete the dict item that refers to the function, it will
21044 * invoke func_unref() and possibly delete the function. */
21045 dictitem_remove(fudi
.fd_dict
, fudi
.fd_di
);
21053 * Free a function and remove it from the list of functions.
21061 /* clear this function */
21062 ga_clear_strings(&(fp
->uf_args
));
21063 ga_clear_strings(&(fp
->uf_lines
));
21064 #ifdef FEAT_PROFILE
21065 vim_free(fp
->uf_tml_count
);
21066 vim_free(fp
->uf_tml_total
);
21067 vim_free(fp
->uf_tml_self
);
21070 /* remove the function from the function hashtable */
21071 hi
= hash_find(&func_hashtab
, UF2HIKEY(fp
));
21072 if (HASHITEM_EMPTY(hi
))
21073 EMSG2(_(e_intern2
), "func_free()");
21075 hash_remove(&func_hashtab
, hi
);
21081 * Unreference a Function: decrement the reference count and free it when it
21082 * becomes zero. Only for numbered functions.
21090 if (name
!= NULL
&& isdigit(*name
))
21092 fp
= find_func(name
);
21094 EMSG2(_(e_intern2
), "func_unref()");
21095 else if (--fp
->uf_refcount
<= 0)
21097 /* Only delete it when it's not being used. Otherwise it's done
21098 * when "uf_calls" becomes zero. */
21099 if (fp
->uf_calls
== 0)
21106 * Count a reference to a Function.
21114 if (name
!= NULL
&& isdigit(*name
))
21116 fp
= find_func(name
);
21118 EMSG2(_(e_intern2
), "func_ref()");
21125 * Call a user function.
21128 call_user_func(fp
, argcount
, argvars
, rettv
, firstline
, lastline
, selfdict
)
21129 ufunc_T
*fp
; /* pointer to function */
21130 int argcount
; /* nr of args */
21131 typval_T
*argvars
; /* arguments */
21132 typval_T
*rettv
; /* return value */
21133 linenr_T firstline
; /* first line of range */
21134 linenr_T lastline
; /* last line of range */
21135 dict_T
*selfdict
; /* Dictionary for "self" */
21137 char_u
*save_sourcing_name
;
21138 linenr_T save_sourcing_lnum
;
21139 scid_T save_current_SID
;
21142 static int depth
= 0;
21144 int fixvar_idx
= 0; /* index in fixvar[] */
21147 char_u numbuf
[NUMBUFLEN
];
21149 #ifdef FEAT_PROFILE
21150 proftime_T wait_start
;
21151 proftime_T call_start
;
21154 /* If depth of calling is getting too high, don't execute the function */
21155 if (depth
>= p_mfd
)
21157 EMSG(_("E132: Function call depth is higher than 'maxfuncdepth'"));
21158 rettv
->v_type
= VAR_NUMBER
;
21159 rettv
->vval
.v_number
= -1;
21164 line_breakcheck(); /* check for CTRL-C hit */
21166 fc
= (funccall_T
*)alloc(sizeof(funccall_T
));
21167 fc
->caller
= current_funccal
;
21168 current_funccal
= fc
;
21171 rettv
->vval
.v_number
= 0;
21173 fc
->returned
= FALSE
;
21174 fc
->level
= ex_nesting_level
;
21175 /* Check if this function has a breakpoint. */
21176 fc
->breakpoint
= dbg_find_breakpoint(FALSE
, fp
->uf_name
, (linenr_T
)0);
21177 fc
->dbg_tick
= debug_tick
;
21180 * Note about using fc->fixvar[]: This is an array of FIXVAR_CNT variables
21181 * with names up to VAR_SHORT_LEN long. This avoids having to alloc/free
21182 * each argument variable and saves a lot of time.
21185 * Init l: variables.
21187 init_var_dict(&fc
->l_vars
, &fc
->l_vars_var
);
21188 if (selfdict
!= NULL
)
21190 /* Set l:self to "selfdict". Use "name" to avoid a warning from
21191 * some compiler that checks the destination size. */
21192 v
= &fc
->fixvar
[fixvar_idx
++].var
;
21194 STRCPY(name
, "self");
21195 v
->di_flags
= DI_FLAGS_RO
+ DI_FLAGS_FIX
;
21196 hash_add(&fc
->l_vars
.dv_hashtab
, DI2HIKEY(v
));
21197 v
->di_tv
.v_type
= VAR_DICT
;
21198 v
->di_tv
.v_lock
= 0;
21199 v
->di_tv
.vval
.v_dict
= selfdict
;
21200 ++selfdict
->dv_refcount
;
21204 * Init a: variables.
21205 * Set a:0 to "argcount".
21206 * Set a:000 to a list with room for the "..." arguments.
21208 init_var_dict(&fc
->l_avars
, &fc
->l_avars_var
);
21209 add_nr_var(&fc
->l_avars
, &fc
->fixvar
[fixvar_idx
++].var
, "0",
21210 (varnumber_T
)(argcount
- fp
->uf_args
.ga_len
));
21211 /* Use "name" to avoid a warning from some compiler that checks the
21212 * destination size. */
21213 v
= &fc
->fixvar
[fixvar_idx
++].var
;
21215 STRCPY(name
, "000");
21216 v
->di_flags
= DI_FLAGS_RO
| DI_FLAGS_FIX
;
21217 hash_add(&fc
->l_avars
.dv_hashtab
, DI2HIKEY(v
));
21218 v
->di_tv
.v_type
= VAR_LIST
;
21219 v
->di_tv
.v_lock
= VAR_FIXED
;
21220 v
->di_tv
.vval
.v_list
= &fc
->l_varlist
;
21221 vim_memset(&fc
->l_varlist
, 0, sizeof(list_T
));
21222 fc
->l_varlist
.lv_refcount
= DO_NOT_FREE_CNT
;
21223 fc
->l_varlist
.lv_lock
= VAR_FIXED
;
21226 * Set a:firstline to "firstline" and a:lastline to "lastline".
21227 * Set a:name to named arguments.
21228 * Set a:N to the "..." arguments.
21230 add_nr_var(&fc
->l_avars
, &fc
->fixvar
[fixvar_idx
++].var
, "firstline",
21231 (varnumber_T
)firstline
);
21232 add_nr_var(&fc
->l_avars
, &fc
->fixvar
[fixvar_idx
++].var
, "lastline",
21233 (varnumber_T
)lastline
);
21234 for (i
= 0; i
< argcount
; ++i
)
21236 ai
= i
- fp
->uf_args
.ga_len
;
21238 /* named argument a:name */
21239 name
= FUNCARG(fp
, i
);
21242 /* "..." argument a:1, a:2, etc. */
21243 sprintf((char *)numbuf
, "%d", ai
+ 1);
21246 if (fixvar_idx
< FIXVAR_CNT
&& STRLEN(name
) <= VAR_SHORT_LEN
)
21248 v
= &fc
->fixvar
[fixvar_idx
++].var
;
21249 v
->di_flags
= DI_FLAGS_RO
| DI_FLAGS_FIX
;
21253 v
= (dictitem_T
*)alloc((unsigned)(sizeof(dictitem_T
)
21257 v
->di_flags
= DI_FLAGS_RO
;
21259 STRCPY(v
->di_key
, name
);
21260 hash_add(&fc
->l_avars
.dv_hashtab
, DI2HIKEY(v
));
21262 /* Note: the values are copied directly to avoid alloc/free.
21263 * "argvars" must have VAR_FIXED for v_lock. */
21264 v
->di_tv
= argvars
[i
];
21265 v
->di_tv
.v_lock
= VAR_FIXED
;
21267 if (ai
>= 0 && ai
< MAX_FUNC_ARGS
)
21269 list_append(&fc
->l_varlist
, &fc
->l_listitems
[ai
]);
21270 fc
->l_listitems
[ai
].li_tv
= argvars
[i
];
21271 fc
->l_listitems
[ai
].li_tv
.v_lock
= VAR_FIXED
;
21275 /* Don't redraw while executing the function. */
21276 ++RedrawingDisabled
;
21277 save_sourcing_name
= sourcing_name
;
21278 save_sourcing_lnum
= sourcing_lnum
;
21280 sourcing_name
= alloc((unsigned)((save_sourcing_name
== NULL
? 0
21281 : STRLEN(save_sourcing_name
)) + STRLEN(fp
->uf_name
) + 13));
21282 if (sourcing_name
!= NULL
)
21284 if (save_sourcing_name
!= NULL
21285 && STRNCMP(save_sourcing_name
, "function ", 9) == 0)
21286 sprintf((char *)sourcing_name
, "%s..", save_sourcing_name
);
21288 STRCPY(sourcing_name
, "function ");
21289 cat_func_name(sourcing_name
+ STRLEN(sourcing_name
), fp
);
21291 if (p_verbose
>= 12)
21294 verbose_enter_scroll();
21296 smsg((char_u
*)_("calling %s"), sourcing_name
);
21297 if (p_verbose
>= 14)
21299 char_u buf
[MSG_BUF_LEN
];
21300 char_u numbuf2
[NUMBUFLEN
];
21304 msg_puts((char_u
*)"(");
21305 for (i
= 0; i
< argcount
; ++i
)
21308 msg_puts((char_u
*)", ");
21309 if (argvars
[i
].v_type
== VAR_NUMBER
)
21310 msg_outnum((long)argvars
[i
].vval
.v_number
);
21313 s
= tv2string(&argvars
[i
], &tofree
, numbuf2
, 0);
21316 trunc_string(s
, buf
, MSG_BUF_CLEN
);
21322 msg_puts((char_u
*)")");
21324 msg_puts((char_u
*)"\n"); /* don't overwrite this either */
21326 verbose_leave_scroll();
21330 #ifdef FEAT_PROFILE
21331 if (do_profiling
== PROF_YES
)
21333 if (!fp
->uf_profiling
&& has_profiling(FALSE
, fp
->uf_name
, NULL
))
21334 func_do_profile(fp
);
21335 if (fp
->uf_profiling
21336 || (fc
->caller
!= NULL
&& fc
->caller
->func
->uf_profiling
))
21339 profile_start(&call_start
);
21340 profile_zero(&fp
->uf_tm_children
);
21342 script_prof_save(&wait_start
);
21346 save_current_SID
= current_SID
;
21347 current_SID
= fp
->uf_script_ID
;
21348 save_did_emsg
= did_emsg
;
21351 /* call do_cmdline() to execute the lines */
21352 do_cmdline(NULL
, get_func_line
, (void *)fc
,
21353 DOCMD_NOWAIT
|DOCMD_VERBOSE
|DOCMD_REPEAT
);
21355 --RedrawingDisabled
;
21357 /* when the function was aborted because of an error, return -1 */
21358 if ((did_emsg
&& (fp
->uf_flags
& FC_ABORT
)) || rettv
->v_type
== VAR_UNKNOWN
)
21361 rettv
->v_type
= VAR_NUMBER
;
21362 rettv
->vval
.v_number
= -1;
21365 #ifdef FEAT_PROFILE
21366 if (do_profiling
== PROF_YES
&& (fp
->uf_profiling
21367 || (fc
->caller
!= NULL
&& fc
->caller
->func
->uf_profiling
)))
21369 profile_end(&call_start
);
21370 profile_sub_wait(&wait_start
, &call_start
);
21371 profile_add(&fp
->uf_tm_total
, &call_start
);
21372 profile_self(&fp
->uf_tm_self
, &call_start
, &fp
->uf_tm_children
);
21373 if (fc
->caller
!= NULL
&& fc
->caller
->func
->uf_profiling
)
21375 profile_add(&fc
->caller
->func
->uf_tm_children
, &call_start
);
21376 profile_add(&fc
->caller
->func
->uf_tml_children
, &call_start
);
21381 /* when being verbose, mention the return value */
21382 if (p_verbose
>= 12)
21385 verbose_enter_scroll();
21388 smsg((char_u
*)_("%s aborted"), sourcing_name
);
21389 else if (fc
->rettv
->v_type
== VAR_NUMBER
)
21390 smsg((char_u
*)_("%s returning #%ld"), sourcing_name
,
21391 (long)fc
->rettv
->vval
.v_number
);
21394 char_u buf
[MSG_BUF_LEN
];
21395 char_u numbuf2
[NUMBUFLEN
];
21399 /* The value may be very long. Skip the middle part, so that we
21400 * have some idea how it starts and ends. smsg() would always
21401 * truncate it at the end. */
21402 s
= tv2string(fc
->rettv
, &tofree
, numbuf2
, 0);
21405 trunc_string(s
, buf
, MSG_BUF_CLEN
);
21406 smsg((char_u
*)_("%s returning %s"), sourcing_name
, buf
);
21410 msg_puts((char_u
*)"\n"); /* don't overwrite this either */
21412 verbose_leave_scroll();
21416 vim_free(sourcing_name
);
21417 sourcing_name
= save_sourcing_name
;
21418 sourcing_lnum
= save_sourcing_lnum
;
21419 current_SID
= save_current_SID
;
21420 #ifdef FEAT_PROFILE
21421 if (do_profiling
== PROF_YES
)
21422 script_prof_restore(&wait_start
);
21425 if (p_verbose
>= 12 && sourcing_name
!= NULL
)
21428 verbose_enter_scroll();
21430 smsg((char_u
*)_("continuing in %s"), sourcing_name
);
21431 msg_puts((char_u
*)"\n"); /* don't overwrite this either */
21433 verbose_leave_scroll();
21437 did_emsg
|= save_did_emsg
;
21438 current_funccal
= fc
->caller
;
21441 /* if the a:000 list and the a: dict are not referenced we can free the
21442 * funccall_T and what's in it. */
21443 if (fc
->l_varlist
.lv_refcount
== DO_NOT_FREE_CNT
21444 && fc
->l_vars
.dv_refcount
== DO_NOT_FREE_CNT
21445 && fc
->l_avars
.dv_refcount
== DO_NOT_FREE_CNT
)
21447 free_funccal(fc
, FALSE
);
21455 /* "fc" is still in use. This can happen when returning "a:000" or
21456 * assigning "l:" to a global variable.
21457 * Link "fc" in the list for garbage collection later. */
21458 fc
->caller
= previous_funccal
;
21459 previous_funccal
= fc
;
21461 /* Make a copy of the a: variables, since we didn't do that above. */
21462 todo
= (int)fc
->l_avars
.dv_hashtab
.ht_used
;
21463 for (hi
= fc
->l_avars
.dv_hashtab
.ht_array
; todo
> 0; ++hi
)
21465 if (!HASHITEM_EMPTY(hi
))
21469 copy_tv(&v
->di_tv
, &v
->di_tv
);
21473 /* Make a copy of the a:000 items, since we didn't do that above. */
21474 for (li
= fc
->l_varlist
.lv_first
; li
!= NULL
; li
= li
->li_next
)
21475 copy_tv(&li
->li_tv
, &li
->li_tv
);
21480 * Return TRUE if items in "fc" do not have "copyID". That means they are not
21481 * referenced from anywhere.
21484 can_free_funccal(fc
, copyID
)
21488 return (fc
->l_varlist
.lv_copyID
!= copyID
21489 && fc
->l_vars
.dv_copyID
!= copyID
21490 && fc
->l_avars
.dv_copyID
!= copyID
);
21494 * Free "fc" and what it contains.
21497 free_funccal(fc
, free_val
)
21499 int free_val
; /* a: vars were allocated */
21503 /* The a: variables typevals may not have been allocated, only free the
21504 * allocated variables. */
21505 vars_clear_ext(&fc
->l_avars
.dv_hashtab
, free_val
);
21507 /* free all l: variables */
21508 vars_clear(&fc
->l_vars
.dv_hashtab
);
21510 /* Free the a:000 variables if they were allocated. */
21512 for (li
= fc
->l_varlist
.lv_first
; li
!= NULL
; li
= li
->li_next
)
21513 clear_tv(&li
->li_tv
);
21519 * Add a number variable "name" to dict "dp" with value "nr".
21522 add_nr_var(dp
, v
, name
, nr
)
21528 STRCPY(v
->di_key
, name
);
21529 v
->di_flags
= DI_FLAGS_RO
| DI_FLAGS_FIX
;
21530 hash_add(&dp
->dv_hashtab
, DI2HIKEY(v
));
21531 v
->di_tv
.v_type
= VAR_NUMBER
;
21532 v
->di_tv
.v_lock
= VAR_FIXED
;
21533 v
->di_tv
.vval
.v_number
= nr
;
21543 char_u
*arg
= eap
->arg
;
21545 int returning
= FALSE
;
21547 if (current_funccal
== NULL
)
21549 EMSG(_("E133: :return not inside a function"));
21556 eap
->nextcmd
= NULL
;
21557 if ((*arg
!= NUL
&& *arg
!= '|' && *arg
!= '\n')
21558 && eval0(arg
, &rettv
, &eap
->nextcmd
, !eap
->skip
) != FAIL
)
21561 returning
= do_return(eap
, FALSE
, TRUE
, &rettv
);
21565 /* It's safer to return also on error. */
21566 else if (!eap
->skip
)
21569 * Return unless the expression evaluation has been cancelled due to an
21570 * aborting error, an interrupt, or an exception.
21573 returning
= do_return(eap
, FALSE
, TRUE
, NULL
);
21576 /* When skipping or the return gets pending, advance to the next command
21577 * in this line (!returning). Otherwise, ignore the rest of the line.
21578 * Following lines will be ignored by get_func_line(). */
21580 eap
->nextcmd
= NULL
;
21581 else if (eap
->nextcmd
== NULL
) /* no argument */
21582 eap
->nextcmd
= check_nextcmd(arg
);
21589 * Return from a function. Possibly makes the return pending. Also called
21590 * for a pending return at the ":endtry" or after returning from an extra
21591 * do_cmdline(). "reanimate" is used in the latter case. "is_cmd" is set
21592 * when called due to a ":return" command. "rettv" may point to a typval_T
21593 * with the return rettv. Returns TRUE when the return can be carried out,
21594 * FALSE when the return gets pending.
21597 do_return(eap
, reanimate
, is_cmd
, rettv
)
21604 struct condstack
*cstack
= eap
->cstack
;
21607 /* Undo the return. */
21608 current_funccal
->returned
= FALSE
;
21611 * Cleanup (and inactivate) conditionals, but stop when a try conditional
21612 * not in its finally clause (which then is to be executed next) is found.
21613 * In this case, make the ":return" pending for execution at the ":endtry".
21614 * Otherwise, return normally.
21616 idx
= cleanup_conditionals(eap
->cstack
, 0, TRUE
);
21619 cstack
->cs_pending
[idx
] = CSTP_RETURN
;
21621 if (!is_cmd
&& !reanimate
)
21622 /* A pending return again gets pending. "rettv" points to an
21623 * allocated variable with the rettv of the original ":return"'s
21624 * argument if present or is NULL else. */
21625 cstack
->cs_rettv
[idx
] = rettv
;
21628 /* When undoing a return in order to make it pending, get the stored
21631 rettv
= current_funccal
->rettv
;
21635 /* Store the value of the pending return. */
21636 if ((cstack
->cs_rettv
[idx
] = alloc_tv()) != NULL
)
21637 *(typval_T
*)cstack
->cs_rettv
[idx
] = *(typval_T
*)rettv
;
21639 EMSG(_(e_outofmem
));
21642 cstack
->cs_rettv
[idx
] = NULL
;
21646 /* The pending return value could be overwritten by a ":return"
21647 * without argument in a finally clause; reset the default
21649 current_funccal
->rettv
->v_type
= VAR_NUMBER
;
21650 current_funccal
->rettv
->vval
.v_number
= 0;
21653 report_make_pending(CSTP_RETURN
, rettv
);
21657 current_funccal
->returned
= TRUE
;
21659 /* If the return is carried out now, store the return value. For
21660 * a return immediately after reanimation, the value is already
21662 if (!reanimate
&& rettv
!= NULL
)
21664 clear_tv(current_funccal
->rettv
);
21665 *current_funccal
->rettv
= *(typval_T
*)rettv
;
21675 * Free the variable with a pending return value.
21678 discard_pending_return(rettv
)
21681 free_tv((typval_T
*)rettv
);
21685 * Generate a return command for producing the value of "rettv". The result
21686 * is an allocated string. Used by report_pending() for verbose messages.
21689 get_return_cmd(rettv
)
21693 char_u
*tofree
= NULL
;
21694 char_u numbuf
[NUMBUFLEN
];
21697 s
= echo_string((typval_T
*)rettv
, &tofree
, numbuf
, 0);
21701 STRCPY(IObuff
, ":return ");
21702 STRNCPY(IObuff
+ 8, s
, IOSIZE
- 8);
21703 if (STRLEN(s
) + 8 >= IOSIZE
)
21704 STRCPY(IObuff
+ IOSIZE
- 4, "...");
21706 return vim_strsave(IObuff
);
21710 * Get next function line.
21711 * Called by do_cmdline() to get the next line.
21712 * Returns allocated string, or NULL for end of function.
21716 get_func_line(c
, cookie
, indent
)
21717 int c
; /* not used */
21719 int indent
; /* not used */
21721 funccall_T
*fcp
= (funccall_T
*)cookie
;
21722 ufunc_T
*fp
= fcp
->func
;
21724 garray_T
*gap
; /* growarray with function lines */
21726 /* If breakpoints have been added/deleted need to check for it. */
21727 if (fcp
->dbg_tick
!= debug_tick
)
21729 fcp
->breakpoint
= dbg_find_breakpoint(FALSE
, fp
->uf_name
,
21731 fcp
->dbg_tick
= debug_tick
;
21733 #ifdef FEAT_PROFILE
21734 if (do_profiling
== PROF_YES
)
21735 func_line_end(cookie
);
21738 gap
= &fp
->uf_lines
;
21739 if (((fp
->uf_flags
& FC_ABORT
) && did_emsg
&& !aborted_in_try())
21744 /* Skip NULL lines (continuation lines). */
21745 while (fcp
->linenr
< gap
->ga_len
21746 && ((char_u
**)(gap
->ga_data
))[fcp
->linenr
] == NULL
)
21748 if (fcp
->linenr
>= gap
->ga_len
)
21752 retval
= vim_strsave(((char_u
**)(gap
->ga_data
))[fcp
->linenr
++]);
21753 sourcing_lnum
= fcp
->linenr
;
21754 #ifdef FEAT_PROFILE
21755 if (do_profiling
== PROF_YES
)
21756 func_line_start(cookie
);
21761 /* Did we encounter a breakpoint? */
21762 if (fcp
->breakpoint
!= 0 && fcp
->breakpoint
<= sourcing_lnum
)
21764 dbg_breakpoint(fp
->uf_name
, sourcing_lnum
);
21765 /* Find next breakpoint. */
21766 fcp
->breakpoint
= dbg_find_breakpoint(FALSE
, fp
->uf_name
,
21768 fcp
->dbg_tick
= debug_tick
;
21774 #if defined(FEAT_PROFILE) || defined(PROTO)
21776 * Called when starting to read a function line.
21777 * "sourcing_lnum" must be correct!
21778 * When skipping lines it may not actually be executed, but we won't find out
21779 * until later and we need to store the time now.
21782 func_line_start(cookie
)
21785 funccall_T
*fcp
= (funccall_T
*)cookie
;
21786 ufunc_T
*fp
= fcp
->func
;
21788 if (fp
->uf_profiling
&& sourcing_lnum
>= 1
21789 && sourcing_lnum
<= fp
->uf_lines
.ga_len
)
21791 fp
->uf_tml_idx
= sourcing_lnum
- 1;
21792 /* Skip continuation lines. */
21793 while (fp
->uf_tml_idx
> 0 && FUNCLINE(fp
, fp
->uf_tml_idx
) == NULL
)
21795 fp
->uf_tml_execed
= FALSE
;
21796 profile_start(&fp
->uf_tml_start
);
21797 profile_zero(&fp
->uf_tml_children
);
21798 profile_get_wait(&fp
->uf_tml_wait
);
21803 * Called when actually executing a function line.
21806 func_line_exec(cookie
)
21809 funccall_T
*fcp
= (funccall_T
*)cookie
;
21810 ufunc_T
*fp
= fcp
->func
;
21812 if (fp
->uf_profiling
&& fp
->uf_tml_idx
>= 0)
21813 fp
->uf_tml_execed
= TRUE
;
21817 * Called when done with a function line.
21820 func_line_end(cookie
)
21823 funccall_T
*fcp
= (funccall_T
*)cookie
;
21824 ufunc_T
*fp
= fcp
->func
;
21826 if (fp
->uf_profiling
&& fp
->uf_tml_idx
>= 0)
21828 if (fp
->uf_tml_execed
)
21830 ++fp
->uf_tml_count
[fp
->uf_tml_idx
];
21831 profile_end(&fp
->uf_tml_start
);
21832 profile_sub_wait(&fp
->uf_tml_wait
, &fp
->uf_tml_start
);
21833 profile_add(&fp
->uf_tml_total
[fp
->uf_tml_idx
], &fp
->uf_tml_start
);
21834 profile_self(&fp
->uf_tml_self
[fp
->uf_tml_idx
], &fp
->uf_tml_start
,
21835 &fp
->uf_tml_children
);
21837 fp
->uf_tml_idx
= -1;
21843 * Return TRUE if the currently active function should be ended, because a
21844 * return was encountered or an error occurred. Used inside a ":while".
21847 func_has_ended(cookie
)
21850 funccall_T
*fcp
= (funccall_T
*)cookie
;
21852 /* Ignore the "abort" flag if the abortion behavior has been changed due to
21853 * an error inside a try conditional. */
21854 return (((fcp
->func
->uf_flags
& FC_ABORT
) && did_emsg
&& !aborted_in_try())
21859 * return TRUE if cookie indicates a function which "abort"s on errors.
21862 func_has_abort(cookie
)
21865 return ((funccall_T
*)cookie
)->func
->uf_flags
& FC_ABORT
;
21868 #if defined(FEAT_VIMINFO) || defined(FEAT_SESSION)
21871 VAR_FLAVOUR_DEFAULT
, /* doesn't start with uppercase */
21872 VAR_FLAVOUR_SESSION
, /* starts with uppercase, some lower */
21873 VAR_FLAVOUR_VIMINFO
/* all uppercase */
21876 static var_flavour_T var_flavour
__ARGS((char_u
*varname
));
21878 static var_flavour_T
21879 var_flavour(varname
)
21882 char_u
*p
= varname
;
21884 if (ASCII_ISUPPER(*p
))
21887 if (ASCII_ISLOWER(*p
))
21888 return VAR_FLAVOUR_SESSION
;
21889 return VAR_FLAVOUR_VIMINFO
;
21892 return VAR_FLAVOUR_DEFAULT
;
21896 #if defined(FEAT_VIMINFO) || defined(PROTO)
21898 * Restore global vars that start with a capital from the viminfo file
21901 read_viminfo_varlist(virp
, writing
)
21906 int type
= VAR_NUMBER
;
21909 if (!writing
&& (find_viminfo_parameter('!') != NULL
))
21911 tab
= vim_strchr(virp
->vir_line
+ 1, '\t');
21914 *tab
++ = '\0'; /* isolate the variable name */
21915 if (*tab
== 'S') /* string var */
21918 else if (*tab
== 'F')
21922 tab
= vim_strchr(tab
, '\t');
21926 if (type
== VAR_STRING
)
21927 tv
.vval
.v_string
= viminfo_readstring(virp
,
21928 (int)(tab
- virp
->vir_line
+ 1), TRUE
);
21930 else if (type
== VAR_FLOAT
)
21931 (void)string2float(tab
+ 1, &tv
.vval
.v_float
);
21934 tv
.vval
.v_number
= atol((char *)tab
+ 1);
21935 set_var(virp
->vir_line
+ 1, &tv
, FALSE
);
21936 if (type
== VAR_STRING
)
21937 vim_free(tv
.vval
.v_string
);
21942 return viminfo_readline(virp
);
21946 * Write global vars that start with a capital to the viminfo file
21949 write_viminfo_varlist(fp
)
21953 dictitem_T
*this_var
;
21958 char_u numbuf
[NUMBUFLEN
];
21960 if (find_viminfo_parameter('!') == NULL
)
21963 fprintf(fp
, _("\n# global variables:\n"));
21965 todo
= (int)globvarht
.ht_used
;
21966 for (hi
= globvarht
.ht_array
; todo
> 0; ++hi
)
21968 if (!HASHITEM_EMPTY(hi
))
21971 this_var
= HI2DI(hi
);
21972 if (var_flavour(this_var
->di_key
) == VAR_FLAVOUR_VIMINFO
)
21974 switch (this_var
->di_tv
.v_type
)
21976 case VAR_STRING
: s
= "STR"; break;
21977 case VAR_NUMBER
: s
= "NUM"; break;
21979 case VAR_FLOAT
: s
= "FLO"; break;
21983 fprintf(fp
, "!%s\t%s\t", this_var
->di_key
, s
);
21984 p
= echo_string(&this_var
->di_tv
, &tofree
, numbuf
, 0);
21986 viminfo_writestring(fp
, p
);
21994 #if defined(FEAT_SESSION) || defined(PROTO)
21996 store_session_globals(fd
)
22000 dictitem_T
*this_var
;
22004 todo
= (int)globvarht
.ht_used
;
22005 for (hi
= globvarht
.ht_array
; todo
> 0; ++hi
)
22007 if (!HASHITEM_EMPTY(hi
))
22010 this_var
= HI2DI(hi
);
22011 if ((this_var
->di_tv
.v_type
== VAR_NUMBER
22012 || this_var
->di_tv
.v_type
== VAR_STRING
)
22013 && var_flavour(this_var
->di_key
) == VAR_FLAVOUR_SESSION
)
22015 /* Escape special characters with a backslash. Turn a LF and
22016 * CR into \n and \r. */
22017 p
= vim_strsave_escaped(get_tv_string(&this_var
->di_tv
),
22018 (char_u
*)"\\\"\n\r");
22019 if (p
== NULL
) /* out of memory */
22021 for (t
= p
; *t
!= NUL
; ++t
)
22024 else if (*t
== '\r')
22026 if ((fprintf(fd
, "let %s = %c%s%c",
22028 (this_var
->di_tv
.v_type
== VAR_STRING
) ? '"'
22031 (this_var
->di_tv
.v_type
== VAR_STRING
) ? '"'
22033 || put_eol(fd
) == FAIL
)
22041 else if (this_var
->di_tv
.v_type
== VAR_FLOAT
22042 && var_flavour(this_var
->di_key
) == VAR_FLAVOUR_SESSION
)
22044 float_T f
= this_var
->di_tv
.vval
.v_float
;
22052 if ((fprintf(fd
, "let %s = %c&%f",
22053 this_var
->di_key
, sign
, f
) < 0)
22054 || put_eol(fd
) == FAIL
)
22065 * Display script name where an item was last set.
22066 * Should only be invoked when 'verbose' is non-zero.
22069 last_set_msg(scriptID
)
22076 p
= home_replace_save(NULL
, get_scriptname(scriptID
));
22080 MSG_PUTS(_("\n\tLast set from "));
22089 * List v:oldfiles in a nice way.
22096 list_T
*l
= vimvars
[VV_OLDFILES
].vv_list
;
22101 msg((char_u
*)_("No old files"));
22106 for (li
= l
->lv_first
; li
!= NULL
&& !got_int
; li
= li
->li_next
)
22108 msg_outnum((long)++nr
);
22110 msg_outtrans(get_tv_string(&li
->li_tv
));
22112 out_flush(); /* output one line at a time */
22115 /* Assume "got_int" was set to truncate the listing. */
22118 #ifdef FEAT_BROWSE_CMD
22122 nr
= prompt_for_number(FALSE
);
22126 char_u
*p
= list_find_str(get_vim_var_list(VV_OLDFILES
),
22131 p
= expand_env_save(p
);
22133 eap
->cmdidx
= CMD_edit
;
22134 cmdmod
.browse
= FALSE
;
22135 do_exedit(eap
, NULL
);
22144 #endif /* FEAT_EVAL */
22147 #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) || defined(PROTO)
22151 * Functions for ":8" filename modifier: get 8.3 version of a filename.
22153 static int get_short_pathname
__ARGS((char_u
**fnamep
, char_u
**bufp
, int *fnamelen
));
22154 static int shortpath_for_invalid_fname
__ARGS((char_u
**fname
, char_u
**bufp
, int *fnamelen
));
22155 static int shortpath_for_partial
__ARGS((char_u
**fnamep
, char_u
**bufp
, int *fnamelen
));
22158 * Get the short path (8.3) for the filename in "fnamep".
22159 * Only works for a valid file name.
22160 * When the path gets longer "fnamep" is changed and the allocated buffer
22161 * is put in "bufp".
22162 * *fnamelen is the length of "fnamep" and set to 0 for a nonexistent path.
22163 * Returns OK on success, FAIL on failure.
22166 get_short_pathname(fnamep
, bufp
, fnamelen
)
22175 l
= GetShortPathName(*fnamep
, *fnamep
, len
);
22178 /* If that doesn't work (not enough space), then save the string
22179 * and try again with a new buffer big enough. */
22180 newbuf
= vim_strnsave(*fnamep
, l
);
22181 if (newbuf
== NULL
)
22185 *fnamep
= *bufp
= newbuf
;
22187 /* Really should always succeed, as the buffer is big enough. */
22188 l
= GetShortPathName(*fnamep
, *fnamep
, l
+1);
22196 * Get the short path (8.3) for the filename in "fname". The converted
22197 * path is returned in "bufp".
22199 * Some of the directories specified in "fname" may not exist. This function
22200 * will shorten the existing directories at the beginning of the path and then
22201 * append the remaining non-existing path.
22203 * fname - Pointer to the filename to shorten. On return, contains the
22204 * pointer to the shortened pathname
22205 * bufp - Pointer to an allocated buffer for the filename.
22206 * fnamelen - Length of the filename pointed to by fname
22208 * Returns OK on success (or nothing done) and FAIL on failure (out of memory).
22211 shortpath_for_invalid_fname(fname
, bufp
, fnamelen
)
22216 char_u
*short_fname
, *save_fname
, *pbuf_unused
;
22217 char_u
*endp
, *save_endp
;
22220 int new_len
, sfx_len
;
22224 old_len
= *fnamelen
;
22225 save_fname
= vim_strnsave(*fname
, old_len
);
22226 pbuf_unused
= NULL
;
22227 short_fname
= NULL
;
22229 endp
= save_fname
+ old_len
- 1; /* Find the end of the copy */
22233 * Try shortening the supplied path till it succeeds by removing one
22234 * directory at a time from the tail of the path.
22239 /* go back one path-separator */
22240 while (endp
> save_fname
&& !after_pathsep(save_fname
, endp
+ 1))
22242 if (endp
<= save_fname
)
22243 break; /* processed the complete path */
22246 * Replace the path separator with a NUL and try to shorten the
22251 short_fname
= save_fname
;
22252 len
= (int)STRLEN(short_fname
) + 1;
22253 if (get_short_pathname(&short_fname
, &pbuf_unused
, &len
) == FAIL
)
22258 *endp
= ch
; /* preserve the string */
22261 break; /* successfully shortened the path */
22263 /* failed to shorten the path. Skip the path separator */
22270 * Succeeded in shortening the path. Now concatenate the shortened
22271 * path with the remaining path at the tail.
22274 /* Compute the length of the new path. */
22275 sfx_len
= (int)(save_endp
- endp
) + 1;
22276 new_len
= len
+ sfx_len
;
22278 *fnamelen
= new_len
;
22280 if (new_len
> old_len
)
22282 /* There is not enough space in the currently allocated string,
22283 * copy it to a buffer big enough. */
22284 *fname
= *bufp
= vim_strnsave(short_fname
, new_len
);
22285 if (*fname
== NULL
)
22293 /* Transfer short_fname to the main buffer (it's big enough),
22294 * unless get_short_pathname() did its work in-place. */
22295 *fname
= *bufp
= save_fname
;
22296 if (short_fname
!= save_fname
)
22297 vim_strncpy(save_fname
, short_fname
, len
);
22301 /* concat the not-shortened part of the path */
22302 vim_strncpy(*fname
+ len
, endp
, sfx_len
);
22303 (*fname
)[new_len
] = NUL
;
22307 vim_free(pbuf_unused
);
22308 vim_free(save_fname
);
22314 * Get a pathname for a partial path.
22315 * Returns OK for success, FAIL for failure.
22318 shortpath_for_partial(fnamep
, bufp
, fnamelen
)
22323 int sepcount
, len
, tflen
;
22325 char_u
*pbuf
, *tfname
;
22328 /* Count up the path separators from the RHS.. so we know which part
22329 * of the path to return. */
22331 for (p
= *fnamep
; p
< *fnamep
+ *fnamelen
; mb_ptr_adv(p
))
22332 if (vim_ispathsep(*p
))
22335 /* Need full path first (use expand_env() to remove a "~/") */
22336 hasTilde
= (**fnamep
== '~');
22338 pbuf
= tfname
= expand_env_save(*fnamep
);
22340 pbuf
= tfname
= FullName_save(*fnamep
, FALSE
);
22342 len
= tflen
= (int)STRLEN(tfname
);
22344 if (get_short_pathname(&tfname
, &pbuf
, &len
) == FAIL
)
22349 /* Don't have a valid filename, so shorten the rest of the
22350 * path if we can. This CAN give us invalid 8.3 filenames, but
22351 * there's not a lot of point in guessing what it might be.
22354 if (shortpath_for_invalid_fname(&tfname
, &pbuf
, &len
) == FAIL
)
22358 /* Count the paths backward to find the beginning of the desired string. */
22359 for (p
= tfname
+ len
- 1; p
>= tfname
; --p
)
22363 p
-= mb_head_off(tfname
, p
);
22365 if (vim_ispathsep(*p
))
22367 if (sepcount
== 0 || (hasTilde
&& sepcount
== 1))
22384 /* Copy in the string - p indexes into tfname - allocated at pbuf */
22386 *fnamelen
= (int)STRLEN(p
);
22392 #endif /* WIN3264 */
22395 * Adjust a filename, according to a string of modifiers.
22396 * *fnamep must be NUL terminated when called. When returning, the length is
22397 * determined by *fnamelen.
22398 * Returns VALID_ flags or -1 for failure.
22399 * When there is an error, *fnamep is set to NULL.
22402 modify_fname(src
, usedlen
, fnamep
, bufp
, fnamelen
)
22403 char_u
*src
; /* string with modifiers */
22404 int *usedlen
; /* characters after src that are used */
22405 char_u
**fnamep
; /* file name so far */
22406 char_u
**bufp
; /* buffer for allocated file name or NULL */
22407 int *fnamelen
; /* length of fnamep */
22411 char_u
*s
, *p
, *pbuf
;
22412 char_u dirname
[MAXPATHL
];
22414 int has_fullname
= 0;
22416 int has_shortname
= 0;
22420 /* ":p" - full path/file_name */
22421 if (src
[*usedlen
] == ':' && src
[*usedlen
+ 1] == 'p')
22425 valid
|= VALID_PATH
;
22428 /* Expand "~/path" for all systems and "~user/path" for Unix and VMS */
22429 if ((*fnamep
)[0] == '~'
22430 #if !defined(UNIX) && !(defined(VMS) && defined(USER_HOME))
22431 && ((*fnamep
)[1] == '/'
22432 # ifdef BACKSLASH_IN_FILENAME
22433 || (*fnamep
)[1] == '\\'
22435 || (*fnamep
)[1] == NUL
)
22440 *fnamep
= expand_env_save(*fnamep
);
22441 vim_free(*bufp
); /* free any allocated file name */
22443 if (*fnamep
== NULL
)
22447 /* When "/." or "/.." is used: force expansion to get rid of it. */
22448 for (p
= *fnamep
; *p
!= NUL
; mb_ptr_adv(p
))
22450 if (vim_ispathsep(*p
)
22453 || vim_ispathsep(p
[2])
22455 && (p
[3] == NUL
|| vim_ispathsep(p
[3])))))
22459 /* FullName_save() is slow, don't use it when not needed. */
22460 if (*p
!= NUL
|| !vim_isAbsName(*fnamep
))
22462 *fnamep
= FullName_save(*fnamep
, *p
!= NUL
);
22463 vim_free(*bufp
); /* free any allocated file name */
22465 if (*fnamep
== NULL
)
22469 /* Append a path separator to a directory. */
22470 if (mch_isdir(*fnamep
))
22472 /* Make room for one or two extra characters. */
22473 *fnamep
= vim_strnsave(*fnamep
, (int)STRLEN(*fnamep
) + 2);
22474 vim_free(*bufp
); /* free any allocated file name */
22476 if (*fnamep
== NULL
)
22478 add_pathsep(*fnamep
);
22482 /* ":." - path relative to the current directory */
22483 /* ":~" - path relative to the home directory */
22484 /* ":8" - shortname path - postponed till after */
22485 while (src
[*usedlen
] == ':'
22486 && ((c
= src
[*usedlen
+ 1]) == '.' || c
== '~' || c
== '8'))
22492 has_shortname
= 1; /* Postpone this. */
22497 /* Need full path first (use expand_env() to remove a "~/") */
22500 if (c
== '.' && **fnamep
== '~')
22501 p
= pbuf
= expand_env_save(*fnamep
);
22503 p
= pbuf
= FullName_save(*fnamep
, FALSE
);
22514 mch_dirname(dirname
, MAXPATHL
);
22515 s
= shorten_fname(p
, dirname
);
22521 vim_free(*bufp
); /* free any allocated file name */
22529 home_replace(NULL
, p
, dirname
, MAXPATHL
, TRUE
);
22530 /* Only replace it when it starts with '~' */
22531 if (*dirname
== '~')
22533 s
= vim_strsave(dirname
);
22546 tail
= gettail(*fnamep
);
22547 *fnamelen
= (int)STRLEN(*fnamep
);
22549 /* ":h" - head, remove "/file_name", can be repeated */
22550 /* Don't remove the first "/" or "c:\" */
22551 while (src
[*usedlen
] == ':' && src
[*usedlen
+ 1] == 'h')
22553 valid
|= VALID_HEAD
;
22555 s
= get_past_head(*fnamep
);
22556 while (tail
> s
&& after_pathsep(s
, tail
))
22557 mb_ptr_back(*fnamep
, tail
);
22558 *fnamelen
= (int)(tail
- *fnamep
);
22561 *fnamelen
+= 1; /* the path separator is part of the path */
22563 if (*fnamelen
== 0)
22565 /* Result is empty. Turn it into "." to make ":cd %:h" work. */
22566 p
= vim_strsave((char_u
*)".");
22570 *bufp
= *fnamep
= tail
= p
;
22575 while (tail
> s
&& !after_pathsep(s
, tail
))
22576 mb_ptr_back(*fnamep
, tail
);
22580 /* ":8" - shortname */
22581 if (src
[*usedlen
] == ':' && src
[*usedlen
+ 1] == '8')
22590 /* Check shortname after we have done 'heads' and before we do 'tails'
22595 /* Copy the string if it is shortened by :h */
22596 if (*fnamelen
< (int)STRLEN(*fnamep
))
22598 p
= vim_strnsave(*fnamep
, *fnamelen
);
22602 *bufp
= *fnamep
= p
;
22605 /* Split into two implementations - makes it easier. First is where
22606 * there isn't a full name already, second is where there is.
22608 if (!has_fullname
&& !vim_isAbsName(*fnamep
))
22610 if (shortpath_for_partial(fnamep
, bufp
, fnamelen
) == FAIL
)
22617 /* Simple case, already have the full-name
22618 * Nearly always shorter, so try first time. */
22620 if (get_short_pathname(fnamep
, bufp
, &l
) == FAIL
)
22625 /* Couldn't find the filename.. search the paths.
22628 if (shortpath_for_invalid_fname(fnamep
, bufp
, &l
) == FAIL
)
22634 #endif /* WIN3264 */
22636 /* ":t" - tail, just the basename */
22637 if (src
[*usedlen
] == ':' && src
[*usedlen
+ 1] == 't')
22640 *fnamelen
-= (int)(tail
- *fnamep
);
22644 /* ":e" - extension, can be repeated */
22645 /* ":r" - root, without extension, can be repeated */
22646 while (src
[*usedlen
] == ':'
22647 && (src
[*usedlen
+ 1] == 'e' || src
[*usedlen
+ 1] == 'r'))
22649 /* find a '.' in the tail:
22650 * - for second :e: before the current fname
22651 * - otherwise: The last '.'
22653 if (src
[*usedlen
+ 1] == 'e' && *fnamep
> tail
)
22656 s
= *fnamep
+ *fnamelen
- 1;
22657 for ( ; s
> tail
; --s
)
22660 if (src
[*usedlen
+ 1] == 'e') /* :e */
22664 *fnamelen
+= (int)(*fnamep
- (s
+ 1));
22667 /* cut version from the extension */
22668 s
= *fnamep
+ *fnamelen
- 1;
22669 for ( ; s
> *fnamep
; --s
)
22673 *fnamelen
= s
- *fnamep
;
22676 else if (*fnamep
<= tail
)
22681 if (s
> tail
) /* remove one extension */
22682 *fnamelen
= (int)(s
- *fnamep
);
22687 /* ":s?pat?foo?" - substitute */
22688 /* ":gs?pat?foo?" - global substitute */
22689 if (src
[*usedlen
] == ':'
22690 && (src
[*usedlen
+ 1] == 's'
22691 || (src
[*usedlen
+ 1] == 'g' && src
[*usedlen
+ 2] == 's')))
22700 flags
= (char_u
*)"";
22701 s
= src
+ *usedlen
+ 2;
22702 if (src
[*usedlen
+ 1] == 'g')
22704 flags
= (char_u
*)"g";
22711 /* find end of pattern */
22712 p
= vim_strchr(s
, sep
);
22715 pat
= vim_strnsave(s
, (int)(p
- s
));
22719 /* find end of substitution */
22720 p
= vim_strchr(s
, sep
);
22723 sub
= vim_strnsave(s
, (int)(p
- s
));
22724 str
= vim_strnsave(*fnamep
, *fnamelen
);
22725 if (sub
!= NULL
&& str
!= NULL
)
22727 *usedlen
= (int)(p
+ 1 - src
);
22728 s
= do_string_sub(str
, pat
, sub
, flags
);
22732 *fnamelen
= (int)STRLEN(s
);
22744 /* after using ":s", repeat all the modifiers */
22754 * Perform a substitution on "str" with pattern "pat" and substitute "sub".
22755 * "flags" can be "g" to do a global substitute.
22756 * Returns an allocated string, NULL for error.
22759 do_string_sub(str
, pat
, sub
, flags
)
22766 regmatch_T regmatch
;
22774 /* Make 'cpoptions' empty, so that the 'l' flag doesn't work here */
22776 p_cpo
= empty_option
;
22778 ga_init2(&ga
, 1, 200);
22780 do_all
= (flags
[0] == 'g');
22782 regmatch
.rm_ic
= p_ic
;
22783 regmatch
.regprog
= vim_regcomp(pat
, RE_MAGIC
+ RE_STRING
);
22784 if (regmatch
.regprog
!= NULL
)
22787 while (vim_regexec_nl(®match
, str
, (colnr_T
)(tail
- str
)))
22790 * Get some space for a temporary buffer to do the substitution
22791 * into. It will contain:
22792 * - The text up to where the match is.
22793 * - The substituted text.
22794 * - The text after the match.
22796 sublen
= vim_regsub(®match
, sub
, tail
, FALSE
, TRUE
, FALSE
);
22797 if (ga_grow(&ga
, (int)(STRLEN(tail
) + sublen
-
22798 (regmatch
.endp
[0] - regmatch
.startp
[0]))) == FAIL
)
22804 /* copy the text up to where the match is */
22805 i
= (int)(regmatch
.startp
[0] - tail
);
22806 mch_memmove((char_u
*)ga
.ga_data
+ ga
.ga_len
, tail
, (size_t)i
);
22807 /* add the substituted text */
22808 (void)vim_regsub(®match
, sub
, (char_u
*)ga
.ga_data
22809 + ga
.ga_len
+ i
, TRUE
, TRUE
, FALSE
);
22810 ga
.ga_len
+= i
+ sublen
- 1;
22811 /* avoid getting stuck on a match with an empty string */
22812 if (tail
== regmatch
.endp
[0])
22816 *((char_u
*)ga
.ga_data
+ ga
.ga_len
) = *tail
++;
22821 tail
= regmatch
.endp
[0];
22829 if (ga
.ga_data
!= NULL
)
22830 STRCPY((char *)ga
.ga_data
+ ga
.ga_len
, tail
);
22832 vim_free(regmatch
.regprog
);
22835 ret
= vim_strsave(ga
.ga_data
== NULL
? str
: (char_u
*)ga
.ga_data
);
22837 if (p_cpo
== empty_option
)
22840 /* Darn, evaluating {sub} expression changed the value. */
22841 free_string_option(save_cpo
);
22846 #endif /* defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) */