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patch 7.4.1564

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Problem:    An empty list in function() causes an error.
Solution:   Handle an empty list like there is no list of arguments.
This commit is contained in:
Bram Moolenaar
2016-03-15 12:36:08 +01:00
parent 790500a8e6
commit 346418c624
3 changed files with 39 additions and 17 deletions
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43
src/eval.c
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@@ -11786,6 +11786,10 @@ f_function(typval_T *argvars, typval_T *rettv)
EMSG2(_("E700: Unknown function: %s"), s);
else
{
int dict_idx = 0;
int arg_idx = 0;
list_T *list = NULL;
if (STRNCMP(s, "s:", 2) == 0 || STRNCMP(s, "<SID>", 5) == 0)
{
char sid_buf[25];
@@ -11808,10 +11812,6 @@ f_function(typval_T *argvars, typval_T *rettv)
if (argvars[1].v_type != VAR_UNKNOWN)
{
partial_T *pt;
int dict_idx = 0;
int arg_idx = 0;
if (argvars[2].v_type != VAR_UNKNOWN)
{
/* function(name, [args], dict) */
@@ -11824,27 +11824,38 @@ f_function(typval_T *argvars, typval_T *rettv)
else
/* function(name, [args]) */
arg_idx = 1;
if (dict_idx > 0 && (argvars[dict_idx].v_type != VAR_DICT
|| argvars[dict_idx].vval.v_dict == NULL))
if (dict_idx > 0)
{
EMSG(_("E922: expected a dict"));
vim_free(name);
return;
if (argvars[dict_idx].v_type != VAR_DICT)
{
EMSG(_("E922: expected a dict"));
vim_free(name);
return;
}
if (argvars[dict_idx].vval.v_dict == NULL)
dict_idx = 0;
}
if (arg_idx > 0 && (argvars[arg_idx].v_type != VAR_LIST
|| argvars[arg_idx].vval.v_list == NULL))
if (arg_idx > 0)
{
EMSG(_("E923: Second argument of function() must be a list or a dict"));
vim_free(name);
return;
if (argvars[arg_idx].v_type != VAR_LIST)
{
EMSG(_("E923: Second argument of function() must be a list or a dict"));
vim_free(name);
return;
}
list = argvars[arg_idx].vval.v_list;
if (list == NULL || list->lv_len == 0)
arg_idx = 0;
}
}
if (dict_idx > 0 || arg_idx > 0)
{
partial_T *pt = (partial_T *)alloc_clear(sizeof(partial_T));
pt = (partial_T *)alloc_clear(sizeof(partial_T));
if (pt != NULL)
{
if (arg_idx > 0)
{
list_T *list = argvars[arg_idx].vval.v_list;
listitem_T *li;
int i = 0;