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patch 9.0.1741: No type checking in interfaces

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Problem: No type checking in interfaces
Solution: Implement member type check in vim9 interfaces

Most of the code is a small refactoring to allow the use of a where_T
for signaling the type mismatch, the type checking itself is pretty
simple.

Improve where_T error reports

Let the caller explicitly define the kind of location it's referring to
and free the WT_ARGUMENT enum from its catch-all role.

Implement type checking for interface methods

Follows closely the logic used for type-checking the members.

closes: #12844

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: LemonBoy <thatlemon@gmail.com>
This commit is contained in:
LemonBoy
2023-08-19 13:02:35 +02:00
committed by Christian Brabandt
parent 56bafd7a6a
commit c5d2744c04
12 changed files with 176 additions and 53 deletions
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7
src/vim9cmds.c
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@@ -1045,8 +1045,11 @@ compile_for(char_u *arg_start, cctx_T *cctx)
}
// Reserve a variable to store "var".
where.wt_index = var_list ? idx + 1 : 0;
where.wt_variable = TRUE;
if (var_list)
{
where.wt_index = idx + 1;
where.wt_kind = WT_VARIABLE;
}
if (lhs_type == &t_any)
lhs_type = item_type;
else if (item_type != &t_unknown