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patch 9.0.2169: Vim9: builtin funcs may accept a non-value

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Problem:  Vim9: builtin funcs may accept a non-value
Solution: Restrict builtin functions that accept `type`

This PR finishes off detection and prevention of using a type as a
value. It takes care of builtin functions. However there are some
builtin functions, that need to be able to handle types as well as
non-args: instanceof(), type(), typename(), string().

A "bit", FE_X, is added to funcentry_T; when set, the builtin function
can handle a type (class or type-alias) in addition to a value.

Noteworthy change: Discovered that in compile_call() the builtin add()
is compiled inline instead of calling the builtin. Had to add a check
there.

closes: #13688

Signed-off-by: Ernie Rael <errael@raelity.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Ernie Rael
2023-12-16 14:03:33 +01:00
committed by Christian Brabandt
parent df12e39b8b
commit d8bf87c9fb
7 changed files with 354 additions and 42 deletions
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src/proto/vim9type.pro
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@@ -36,7 +36,6 @@ type_T *get_member_type_from_stack(int count, int skip, cctx_T *cctx);
char *vartype_name(vartype_T type);
char *type_name(type_T *type, char **tofree);
void f_typename(typval_T *argvars, typval_T *rettv);
int check_vartype_is_value(vartype_T typ);
int check_typval_is_value(typval_T *tv);
int check_type_is_value(type_T *type);
/* vim: set ft=c : */