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[qfcc] Check validity of field expressions

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Even though I plan on making multi-vector types easier to use with field
accesses, getting segfaults doesn't help with debugging.
This commit is contained in:
Bill Currie 2023-08-29 21:11:29 +09:00
parent a01cbd56fd
commit 719cf055a5
1 changed files with 7 additions and 1 deletions
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8
tools/qfcc/source/expr.c
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@ -1467,7 +1467,13 @@ prepend_expr (expr_t *block, expr_t *e)
static symbol_t * static symbol_t *
get_struct_field (const type_t *t1, expr_t *e1, expr_t *e2) get_struct_field (const type_t *t1, expr_t *e1, expr_t *e2)
{ {
symtab_t *strct = t1->t.symtab; symtab_t *strct = 0;
if (is_algebra (t1)) {
error (e1, "dereferencing pointer to incomplete type");
return 0;
} else {
strct = t1->t.symtab;
}
symbol_t *sym = e2->e.symbol;//FIXME need to check symbol_t *sym = e2->e.symbol;//FIXME need to check
symbol_t *field; symbol_t *field;