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patch 9.0.1914: Vim9: few issues when accessing object members

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Problem:  Vim9: few issues when accessing object members
Solution: When calling an object method, check for null object.
          Accessing a Dict object member doesn't work.

closes: #13119
closes: #13123
closes: #13124

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
This commit is contained in:
Yegappan Lakshmanan
2023-09-19 20:34:05 +02:00
committed by Christian Brabandt
parent 2ce070c27a
commit 1db1514365
8 changed files with 136 additions and 8 deletions
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6
src/vim9compile.c
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@@ -3286,7 +3286,7 @@ compile_def_function(
// In the constructor allocate memory for the object and initialize the
// object members.
if ((ufunc->uf_flags & FC_NEW) == FC_NEW)
if (IS_CONSTRUCTOR_METHOD(ufunc))
{
generate_CONSTRUCT(&cctx, ufunc->uf_class);
@@ -3949,7 +3949,7 @@ nextline:
if (ufunc->uf_ret_type->tt_type == VAR_UNKNOWN)
ufunc->uf_ret_type = &t_void;
else if (ufunc->uf_ret_type->tt_type != VAR_VOID
&& (ufunc->uf_flags & FC_NEW) != FC_NEW)
&& !IS_CONSTRUCTOR_METHOD(ufunc))
{
emsg(_(e_missing_return_statement));
goto erret;
@@ -3957,7 +3957,7 @@ nextline:
// Return void if there is no return at the end.
// For a constructor return the object.
if ((ufunc->uf_flags & FC_NEW) == FC_NEW)
if (IS_CONSTRUCTOR_METHOD(ufunc))
{
generate_instr(&cctx, ISN_RETURN_OBJECT);
ufunc->uf_ret_type = &ufunc->uf_class->class_object_type;