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Detect redefinitions of structs and unions

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While the redefinition was being detected, it was misreported as the tag
being wrong, and on the wrong line, too.
This commit is contained in:
Bill Currie 2019-06-08 19:25:25 +09:00
parent f2102187b9
commit be4c3a82a2
1 changed files with 12 additions and 5 deletions
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17
tools/qfcc/source/qc-parse.y
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@ -584,8 +584,13 @@ struct_specifier
{
symbol_t *sym;
sym = find_struct ($1, $2, 0);
if (!sym->table)
if (!sym->table) {
symtab_addsymbol (current_symtab, sym);
} else {
error (0, "%s %s redefined", $1 == 's' ? "struct" : "union",
$2->name);
$1 = 0;
}
current_symtab = new_symtab (current_symtab, stab_local);
}
struct_defs '}'
@ -594,10 +599,12 @@ struct_specifier
symtab_t *symtab = current_symtab;
current_symtab = symtab->parent;
sym = build_struct ($1, $2, symtab, 0);
$$ = make_spec (sym->type, 0, 0, 0);
if (!sym->table)
symtab_addsymbol (current_symtab, sym);
if ($1) {
sym = build_struct ($1, $2, symtab, 0);
$$ = make_spec (sym->type, 0, 0, 0);
if (!sym->table)
symtab_addsymbol (current_symtab, sym);
}
}
| STRUCT tag
{