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patch 9.0.2172: Vim9: compiling :defer may fail

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Problem:  Vim9: compiling :defer may fail
Solution: compile defer, when ctx_skip is not SKIP_YES

compiling defer fails in an if statement with false condition,
so check the ctx_skip value when compiling :defer

fixes:  #13698
closes: #13702

Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Yegappan Lakshmanan
2023-12-16 14:36:08 +01:00
committed by Christian Brabandt
parent 535e8f5941
commit a185a31fc0
3 changed files with 38 additions and 19 deletions
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42
src/vim9cmds.c
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@@ -2020,11 +2020,14 @@ compile_defer(char_u *arg_start, cctx_T *cctx)
*paren = '(';
// check for function type
type = get_type_on_stack(cctx, 0);
if (type->tt_type != VAR_FUNC)
if (cctx->ctx_skip != SKIP_YES)
{
emsg(_(e_function_name_required));
return NULL;
type = get_type_on_stack(cctx, 0);
if (type->tt_type != VAR_FUNC)
{
emsg(_(e_function_name_required));
return NULL;
}
}
// compile the arguments
@@ -2032,24 +2035,27 @@ compile_defer(char_u *arg_start, cctx_T *cctx)
if (compile_arguments(&arg, cctx, &argcount, CA_NOT_SPECIAL) == FAIL)
return NULL;
if (func_idx >= 0)
if (cctx->ctx_skip != SKIP_YES)
{
type2_T *argtypes = NULL;
type2_T shuffled_argtypes[MAX_FUNC_ARGS];
if (func_idx >= 0)
{
type2_T *argtypes = NULL;
type2_T shuffled_argtypes[MAX_FUNC_ARGS];
if (check_internal_func_args(cctx, func_idx, argcount, FALSE,
&argtypes, shuffled_argtypes) == FAIL)
if (check_internal_func_args(cctx, func_idx, argcount, FALSE,
&argtypes, shuffled_argtypes) == FAIL)
return NULL;
}
else if (check_func_args_from_type(cctx, type, argcount, TRUE,
arg_start) == FAIL)
return NULL;
defer_var_idx = get_defer_var_idx(cctx);
if (defer_var_idx == 0)
return NULL;
if (generate_DEFER(cctx, defer_var_idx - 1, argcount) == FAIL)
return NULL;
}
else if (check_func_args_from_type(cctx, type, argcount, TRUE,
arg_start) == FAIL)
return NULL;
defer_var_idx = get_defer_var_idx(cctx);
if (defer_var_idx == 0)
return NULL;
if (generate_DEFER(cctx, defer_var_idx - 1, argcount) == FAIL)
return NULL;
return skipwhite(arg);
}