X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=type_hash.c;h=8ec417136d938abeb09c4cd22c68a8b43fa9d71b;hb=cb28c2a2955a21f27cbec01fa86a6eebf514ee76;hp=ed071224a37b0b62c18ff43db6695944acc2067c;hpb=220bd1d88703eede6a4891f3014708c8259b303e;p=cparser diff --git a/type_hash.c b/type_hash.c index ed07122..8ec4171 100644 --- a/type_hash.c +++ b/type_hash.c @@ -1,3 +1,22 @@ +/* + * This file is part of cparser. + * Copyright (C) 2007-2008 Matthias Braun + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + * 02111-1307, USA. + */ #include #include @@ -79,7 +98,7 @@ static unsigned hash_typeof_type(const typeof_type_t *type) static unsigned hash_bitfield_type(const bitfield_type_t *type) { - unsigned result = hash_ptr(type->base); + unsigned result = hash_ptr(type->base_type); result ^= 27172145; return result; @@ -93,6 +112,8 @@ static unsigned hash_type(const type_t *type) case TYPE_INVALID: panic("internalizing void or invalid types not possible"); return 0; + case TYPE_ERROR: + return 0; case TYPE_ATOMIC: hash = hash_atomic_type(&type->atomic); break; @@ -179,6 +200,13 @@ static bool array_types_equal(const array_type_t *type1, return false; if(type1->is_static != type2->is_static) return false; + if(type1->size_constant != type2->size_constant) + return false; + + /* never identify vla types, because we need them for caching calculated + * sizes later in ast2firm */ + if(type1->is_vla || type2->is_vla) + return false; /* TODO: compare size expressions for equality... */ @@ -223,7 +251,7 @@ static bool typeof_types_equal(const typeof_type_t *type1, static bool bitfield_types_equal(const bitfield_type_t *type1, const bitfield_type_t *type2) { - if(type1->base != type2->base) + if(type1->base_type != type2->base_type) return false; /* TODO: compare size expression */ return false; @@ -239,6 +267,9 @@ static bool types_equal(const type_t *type1, const type_t *type2) return false; switch(type1->kind) { + case TYPE_ERROR: + /* Hmm, the error type is never equal */ + return false; case TYPE_INVALID: return false; case TYPE_ATOMIC: