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Check early for assignment of a class pointer to id.

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This commit is contained in:
Bill Currie 2011-02-06 14:35:17 +09:00
parent 2f7b892452
commit 59d3dc6ae0
1 changed files with 8 additions and 0 deletions
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8
tools/qfcc/source/type.c
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@ -799,8 +799,14 @@ type_assignable (type_t *dst, type_t *src)
{
class_t *dst_class, *src_class;
// same type
if (dst == src)
return 1;
// id = any class pointer
if (dst == &type_id && src->type == ev_pointer
&& is_class (src->t.fldptr.type))
return 1;
// pointer = array
if (dst->type == ev_pointer
&& src->type == ev_invalid && src->ty == ty_array) {
if (dst->t.fldptr.type == src->t.array.type)
@ -809,6 +815,7 @@ type_assignable (type_t *dst, type_t *src)
}
if (dst->type != ev_pointer || src->type != ev_pointer)
return is_scalar (dst) && is_scalar (src);
// pointer = pointer
dst = dst->t.fldptr.type;
src = src->t.fldptr.type;
if (dst->type == ev_void)
@ -817,6 +824,7 @@ type_assignable (type_t *dst, type_t *src)
return 1;
if (!is_class (dst) || !is_class (src))
return 0;
// check dst is a base class of src
dst_class = dst->t.class;
src_class = src->t.class;
//printf ("%s %s\n", dst_class->class_name, src_class->class_name);