forked from aniani/vim
updated for version 7.2-070
This commit is contained in:
190
src/eval.c
190
src/eval.c
@@ -32,6 +32,9 @@
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#define DICT_MAXNEST 100 /* maximum nesting of lists and dicts */
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#define DO_NOT_FREE_CNT 99999 /* refcount for dict or list that should not
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be freed. */
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/*
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* In a hashtab item "hi_key" points to "di_key" in a dictitem.
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* This avoids adding a pointer to the hashtab item.
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@@ -789,6 +792,8 @@ static void func_free __ARGS((ufunc_T *fp));
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static void func_unref __ARGS((char_u *name));
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static void func_ref __ARGS((char_u *name));
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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));
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static int can_free_funccal __ARGS((funccall_T *fc, int copyID)) ;
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static void free_funccal __ARGS((funccall_T *fc, int free_val));
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static void add_nr_var __ARGS((dict_T *dp, dictitem_T *v, char *name, varnumber_T nr));
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static win_T *find_win_by_nr __ARGS((typval_T *vp, tabpage_T *tp));
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static void getwinvar __ARGS((typval_T *argvars, typval_T *rettv, int off));
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@@ -923,6 +928,10 @@ func_level(cookie)
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/* pointer to funccal for currently active function */
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funccall_T *current_funccal = NULL;
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/* pointer to list of previously used funccal, still around because some
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* item in it is still being used. */
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funccall_T *previous_funccal = NULL;
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/*
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* Return TRUE when a function was ended by a ":return" command.
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*/
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@@ -6490,7 +6499,7 @@ garbage_collect()
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buf_T *buf;
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win_T *wp;
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int i;
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funccall_T *fc;
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funccall_T *fc, **pfc;
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int did_free = FALSE;
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#ifdef FEAT_WINDOWS
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tabpage_T *tp;
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@@ -6574,6 +6583,20 @@ garbage_collect()
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else
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ll = ll->lv_used_next;
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/* check if any funccal can be freed now */
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for (pfc = &previous_funccal; *pfc != NULL; )
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{
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if (can_free_funccal(*pfc, copyID))
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{
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fc = *pfc;
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*pfc = fc->caller;
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free_funccal(fc, TRUE);
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did_free = TRUE;
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}
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else
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pfc = &(*pfc)->caller;
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}
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return did_free;
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}
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@@ -18962,7 +18985,7 @@ init_var_dict(dict, dict_var)
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dictitem_T *dict_var;
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{
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hash_init(&dict->dv_hashtab);
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dict->dv_refcount = 99999;
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dict->dv_refcount = DO_NOT_FREE_CNT;
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dict_var->di_tv.vval.v_dict = dict;
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dict_var->di_tv.v_type = VAR_DICT;
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dict_var->di_tv.v_lock = VAR_FIXED;
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@@ -19299,6 +19322,8 @@ tv_check_lock(lock, name)
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* Copy the values from typval_T "from" to typval_T "to".
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* When needed allocates string or increases reference count.
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* Does not make a copy of a list or dict but copies the reference!
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* It is OK for "from" and "to" to point to the same item. This is used to
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* make a copy later.
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*/
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static void
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copy_tv(from, to)
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@@ -21111,7 +21136,7 @@ call_user_func(fp, argcount, argvars, rettv, firstline, lastline, selfdict)
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char_u *save_sourcing_name;
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linenr_T save_sourcing_lnum;
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scid_T save_current_SID;
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funccall_T fc;
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funccall_T *fc;
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int save_did_emsg;
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static int depth = 0;
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dictitem_T *v;
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@@ -21137,36 +21162,37 @@ call_user_func(fp, argcount, argvars, rettv, firstline, lastline, selfdict)
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line_breakcheck(); /* check for CTRL-C hit */
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fc.caller = current_funccal;
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current_funccal = &fc;
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fc.func = fp;
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fc.rettv = rettv;
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fc = (funccall_T *)alloc(sizeof(funccall_T));
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fc->caller = current_funccal;
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current_funccal = fc;
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fc->func = fp;
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fc->rettv = rettv;
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rettv->vval.v_number = 0;
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fc.linenr = 0;
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fc.returned = FALSE;
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fc.level = ex_nesting_level;
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fc->linenr = 0;
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fc->returned = FALSE;
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fc->level = ex_nesting_level;
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/* Check if this function has a breakpoint. */
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fc.breakpoint = dbg_find_breakpoint(FALSE, fp->uf_name, (linenr_T)0);
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fc.dbg_tick = debug_tick;
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fc->breakpoint = dbg_find_breakpoint(FALSE, fp->uf_name, (linenr_T)0);
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fc->dbg_tick = debug_tick;
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/*
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* Note about using fc.fixvar[]: This is an array of FIXVAR_CNT variables
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* Note about using fc->fixvar[]: This is an array of FIXVAR_CNT variables
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* with names up to VAR_SHORT_LEN long. This avoids having to alloc/free
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* each argument variable and saves a lot of time.
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*/
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/*
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* Init l: variables.
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*/
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init_var_dict(&fc.l_vars, &fc.l_vars_var);
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init_var_dict(&fc->l_vars, &fc->l_vars_var);
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if (selfdict != NULL)
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{
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/* Set l:self to "selfdict". Use "name" to avoid a warning from
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* some compiler that checks the destination size. */
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v = &fc.fixvar[fixvar_idx++].var;
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v = &fc->fixvar[fixvar_idx++].var;
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name = v->di_key;
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STRCPY(name, "self");
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v->di_flags = DI_FLAGS_RO + DI_FLAGS_FIX;
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hash_add(&fc.l_vars.dv_hashtab, DI2HIKEY(v));
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hash_add(&fc->l_vars.dv_hashtab, DI2HIKEY(v));
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v->di_tv.v_type = VAR_DICT;
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v->di_tv.v_lock = 0;
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v->di_tv.vval.v_dict = selfdict;
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@@ -21178,31 +21204,31 @@ call_user_func(fp, argcount, argvars, rettv, firstline, lastline, selfdict)
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* Set a:0 to "argcount".
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* Set a:000 to a list with room for the "..." arguments.
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*/
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init_var_dict(&fc.l_avars, &fc.l_avars_var);
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add_nr_var(&fc.l_avars, &fc.fixvar[fixvar_idx++].var, "0",
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init_var_dict(&fc->l_avars, &fc->l_avars_var);
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add_nr_var(&fc->l_avars, &fc->fixvar[fixvar_idx++].var, "0",
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(varnumber_T)(argcount - fp->uf_args.ga_len));
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/* Use "name" to avoid a warning from some compiler that checks the
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* destination size. */
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v = &fc.fixvar[fixvar_idx++].var;
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v = &fc->fixvar[fixvar_idx++].var;
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name = v->di_key;
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STRCPY(name, "000");
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v->di_flags = DI_FLAGS_RO | DI_FLAGS_FIX;
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hash_add(&fc.l_avars.dv_hashtab, DI2HIKEY(v));
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hash_add(&fc->l_avars.dv_hashtab, DI2HIKEY(v));
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v->di_tv.v_type = VAR_LIST;
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v->di_tv.v_lock = VAR_FIXED;
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v->di_tv.vval.v_list = &fc.l_varlist;
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vim_memset(&fc.l_varlist, 0, sizeof(list_T));
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fc.l_varlist.lv_refcount = 99999;
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fc.l_varlist.lv_lock = VAR_FIXED;
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v->di_tv.vval.v_list = &fc->l_varlist;
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vim_memset(&fc->l_varlist, 0, sizeof(list_T));
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fc->l_varlist.lv_refcount = DO_NOT_FREE_CNT;
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fc->l_varlist.lv_lock = VAR_FIXED;
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/*
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* Set a:firstline to "firstline" and a:lastline to "lastline".
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* Set a:name to named arguments.
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* Set a:N to the "..." arguments.
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*/
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add_nr_var(&fc.l_avars, &fc.fixvar[fixvar_idx++].var, "firstline",
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add_nr_var(&fc->l_avars, &fc->fixvar[fixvar_idx++].var, "firstline",
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(varnumber_T)firstline);
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add_nr_var(&fc.l_avars, &fc.fixvar[fixvar_idx++].var, "lastline",
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add_nr_var(&fc->l_avars, &fc->fixvar[fixvar_idx++].var, "lastline",
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(varnumber_T)lastline);
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for (i = 0; i < argcount; ++i)
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{
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@@ -21218,7 +21244,7 @@ call_user_func(fp, argcount, argvars, rettv, firstline, lastline, selfdict)
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}
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if (fixvar_idx < FIXVAR_CNT && STRLEN(name) <= VAR_SHORT_LEN)
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{
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v = &fc.fixvar[fixvar_idx++].var;
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v = &fc->fixvar[fixvar_idx++].var;
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v->di_flags = DI_FLAGS_RO | DI_FLAGS_FIX;
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}
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else
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@@ -21230,7 +21256,7 @@ call_user_func(fp, argcount, argvars, rettv, firstline, lastline, selfdict)
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v->di_flags = DI_FLAGS_RO;
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}
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STRCPY(v->di_key, name);
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hash_add(&fc.l_avars.dv_hashtab, DI2HIKEY(v));
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hash_add(&fc->l_avars.dv_hashtab, DI2HIKEY(v));
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/* Note: the values are copied directly to avoid alloc/free.
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* "argvars" must have VAR_FIXED for v_lock. */
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@@ -21239,9 +21265,9 @@ call_user_func(fp, argcount, argvars, rettv, firstline, lastline, selfdict)
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if (ai >= 0 && ai < MAX_FUNC_ARGS)
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{
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list_append(&fc.l_varlist, &fc.l_listitems[ai]);
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fc.l_listitems[ai].li_tv = argvars[i];
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fc.l_listitems[ai].li_tv.v_lock = VAR_FIXED;
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list_append(&fc->l_varlist, &fc->l_listitems[ai]);
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fc->l_listitems[ai].li_tv = argvars[i];
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fc->l_listitems[ai].li_tv.v_lock = VAR_FIXED;
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}
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}
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@@ -21306,7 +21332,7 @@ call_user_func(fp, argcount, argvars, rettv, firstline, lastline, selfdict)
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if (!fp->uf_profiling && has_profiling(FALSE, fp->uf_name, NULL))
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func_do_profile(fp);
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if (fp->uf_profiling
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|| (fc.caller != NULL && fc.caller->func->uf_profiling))
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|| (fc->caller != NULL && fc->caller->func->uf_profiling))
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{
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++fp->uf_tm_count;
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profile_start(&call_start);
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@@ -21322,7 +21348,7 @@ call_user_func(fp, argcount, argvars, rettv, firstline, lastline, selfdict)
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did_emsg = FALSE;
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/* call do_cmdline() to execute the lines */
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do_cmdline(NULL, get_func_line, (void *)&fc,
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do_cmdline(NULL, get_func_line, (void *)fc,
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DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT);
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--RedrawingDisabled;
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@@ -21337,16 +21363,16 @@ call_user_func(fp, argcount, argvars, rettv, firstline, lastline, selfdict)
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#ifdef FEAT_PROFILE
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if (do_profiling == PROF_YES && (fp->uf_profiling
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|| (fc.caller != NULL && fc.caller->func->uf_profiling)))
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|| (fc->caller != NULL && fc->caller->func->uf_profiling)))
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{
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profile_end(&call_start);
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profile_sub_wait(&wait_start, &call_start);
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profile_add(&fp->uf_tm_total, &call_start);
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profile_self(&fp->uf_tm_self, &call_start, &fp->uf_tm_children);
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if (fc.caller != NULL && fc.caller->func->uf_profiling)
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if (fc->caller != NULL && fc->caller->func->uf_profiling)
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{
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profile_add(&fc.caller->func->uf_tm_children, &call_start);
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profile_add(&fc.caller->func->uf_tml_children, &call_start);
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profile_add(&fc->caller->func->uf_tm_children, &call_start);
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profile_add(&fc->caller->func->uf_tml_children, &call_start);
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}
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}
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#endif
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@@ -21359,9 +21385,9 @@ call_user_func(fp, argcount, argvars, rettv, firstline, lastline, selfdict)
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if (aborting())
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smsg((char_u *)_("%s aborted"), sourcing_name);
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else if (fc.rettv->v_type == VAR_NUMBER)
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else if (fc->rettv->v_type == VAR_NUMBER)
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smsg((char_u *)_("%s returning #%ld"), sourcing_name,
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(long)fc.rettv->vval.v_number);
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(long)fc->rettv->vval.v_number);
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else
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{
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char_u buf[MSG_BUF_LEN];
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@@ -21372,7 +21398,7 @@ call_user_func(fp, argcount, argvars, rettv, firstline, lastline, selfdict)
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/* The value may be very long. Skip the middle part, so that we
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* have some idea how it starts and ends. smsg() would always
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* truncate it at the end. */
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s = tv2string(fc.rettv, &tofree, numbuf2, 0);
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s = tv2string(fc->rettv, &tofree, numbuf2, 0);
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if (s != NULL)
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{
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trunc_string(s, buf, MSG_BUF_CLEN);
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@@ -21408,14 +21434,84 @@ call_user_func(fp, argcount, argvars, rettv, firstline, lastline, selfdict)
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}
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did_emsg |= save_did_emsg;
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current_funccal = fc.caller;
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/* The a: variables typevals were not allocated, only free the allocated
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* variables. */
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vars_clear_ext(&fc.l_avars.dv_hashtab, FALSE);
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vars_clear(&fc.l_vars.dv_hashtab); /* free all l: variables */
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current_funccal = fc->caller;
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--depth;
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/* if the a:000 list and the a: dict are not referenced we can free the
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* funccall_T and what's in it. */
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if (fc->l_varlist.lv_refcount == DO_NOT_FREE_CNT
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&& fc->l_vars.dv_refcount == DO_NOT_FREE_CNT
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&& fc->l_avars.dv_refcount == DO_NOT_FREE_CNT)
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{
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free_funccal(fc, FALSE);
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}
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else
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{
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hashitem_T *hi;
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listitem_T *li;
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int todo;
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/* "fc" is still in use. This can happen when returning "a:000" or
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* assigning "l:" to a global variable.
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* Link "fc" in the list for garbage collection later. */
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fc->caller = previous_funccal;
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previous_funccal = fc;
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/* Make a copy of the a: variables, since we didn't do that above. */
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todo = (int)fc->l_avars.dv_hashtab.ht_used;
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for (hi = fc->l_avars.dv_hashtab.ht_array; todo > 0; ++hi)
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{
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if (!HASHITEM_EMPTY(hi))
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{
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--todo;
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v = HI2DI(hi);
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copy_tv(&v->di_tv, &v->di_tv);
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}
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}
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/* Make a copy of the a:000 items, since we didn't do that above. */
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for (li = fc->l_varlist.lv_first; li != NULL; li = li->li_next)
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copy_tv(&li->li_tv, &li->li_tv);
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}
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}
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/*
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* Return TRUE if items in "fc" do not have "copyID". That means they are not
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* referenced from anywyere.
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*/
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static int
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can_free_funccal(fc, copyID)
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funccall_T *fc;
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int copyID;
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{
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return (fc->l_varlist.lv_copyID != copyID
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&& fc->l_vars.dv_copyID != copyID
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&& fc->l_avars.dv_copyID != copyID);
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}
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/*
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* Free "fc" and what it contains.
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*/
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static void
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free_funccal(fc, free_val)
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funccall_T *fc;
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int free_val; /* a: vars were allocated */
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{
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listitem_T *li;
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/* The a: variables typevals may not have been allocated, only free the
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* allocated variables. */
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vars_clear_ext(&fc->l_avars.dv_hashtab, free_val);
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/* free all l: variables */
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vars_clear(&fc->l_vars.dv_hashtab);
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/* Free the a:000 variables if they were allocated. */
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if (free_val)
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for (li = fc->l_varlist.lv_first; li != NULL; li = li->li_next)
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clear_tv(&li->li_tv);
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vim_free(fc);
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}
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/*
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@@ -676,6 +676,8 @@ static char *(features[]) =
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static int included_patches[] =
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{ /* Add new patch number below this line */
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/**/
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70,
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/**/
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69,
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/**/
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