X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=type_hash.c;h=e6e487af6b03dcdbf180b6f89cd40be86ebc4327;hb=6833c6f5a5ade3d5ad0c9ec21c9a89b7985517f4;hp=15325f4459afe79ed4f2a9068a58d9c251f41493;hpb=7217f767c955ff934eecd9284897b6f9fcf265b8;p=cparser diff --git a/type_hash.c b/type_hash.c index 15325f4..e6e487a 100644 --- a/type_hash.c +++ b/type_hash.c @@ -1,6 +1,6 @@ /* * This file is part of cparser. - * Copyright (C) 2007-2008 Matthias Braun + * Copyright (C) 2007-2009 Matthias Braun * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -56,25 +56,9 @@ static unsigned hash_atomic_type(const atomic_type_t *type) return result; } -static unsigned hash_complex_type(const complex_type_t *type) -{ - unsigned some_prime = 27644437; - unsigned result = type->akind * some_prime; - - return result; -} - -static unsigned hash_imaginary_type(const imaginary_type_t *type) -{ - unsigned some_prime = 27644437; - unsigned result = type->akind * some_prime; - - return result; -} - static unsigned hash_pointer_type(const pointer_type_t *type) { - return hash_ptr(type->points_to); + return hash_ptr(type->points_to) ^ hash_ptr(type->base_variable); } static unsigned hash_reference_type(const reference_type_t *type) @@ -92,8 +76,6 @@ static unsigned hash_compound_type(const compound_type_t *type) return hash_ptr(type->compound); } -static unsigned hash_type(const type_t *type); - static unsigned hash_function_type(const function_type_t *type) { unsigned result = hash_ptr(type->return_type); @@ -103,6 +85,7 @@ static unsigned hash_function_type(const function_type_t *type) result ^= hash_ptr(parameter->type); parameter = parameter->next; } + result += type->modifiers; result += type->linkage; result += type->calling_convention; @@ -122,32 +105,18 @@ static unsigned hash_typeof_type(const typeof_type_t *type) return result; } -static unsigned hash_bitfield_type(const bitfield_type_t *type) -{ - unsigned result = hash_ptr(type->base_type); - result ^= 27172145; - - return result; -} - static unsigned hash_type(const type_t *type) { unsigned hash = 0; switch (type->kind) { - case TYPE_INVALID: - panic("internalizing void or invalid types not possible"); case TYPE_ERROR: return 0; + case TYPE_IMAGINARY: + case TYPE_COMPLEX: case TYPE_ATOMIC: hash = hash_atomic_type(&type->atomic); break; - case TYPE_COMPLEX: - hash = hash_complex_type(&type->complex); - break; - case TYPE_IMAGINARY: - hash = hash_imaginary_type(&type->imaginary); - break; case TYPE_ENUM: hash = hash_enum_type(&type->enumt); break; @@ -167,18 +136,12 @@ static unsigned hash_type(const type_t *type) case TYPE_ARRAY: hash = hash_array_type(&type->array); break; - case TYPE_BUILTIN: - hash = hash_ptr(type->builtin.symbol); - break; case TYPE_TYPEDEF: hash = hash_ptr(type->typedeft.typedefe); break; case TYPE_TYPEOF: hash = hash_typeof_type(&type->typeoft); break; - case TYPE_BITFIELD: - hash = hash_bitfield_type(&type->bitfield); - break; } unsigned some_prime = 99991; @@ -193,18 +156,6 @@ static bool atomic_types_equal(const atomic_type_t *type1, return type1->akind == type2->akind; } -static bool complex_types_equal(const complex_type_t *type1, - const complex_type_t *type2) -{ - return type1->akind == type2->akind; -} - -static bool imaginary_types_equal(const imaginary_type_t *type1, - const imaginary_type_t *type2) -{ - return type1->akind == type2->akind; -} - static bool function_types_equal(const function_type_t *type1, const function_type_t *type2) { @@ -218,6 +169,8 @@ static bool function_types_equal(const function_type_t *type1, return false; if (type1->linkage != type2->linkage) return false; + if (type1->modifiers != type2->modifiers) + return false; if (type1->calling_convention != type2->calling_convention) return false; @@ -270,12 +223,6 @@ static bool array_types_equal(const array_type_t *type1, return false; } -static bool builtin_types_equal(const builtin_type_t *type1, - const builtin_type_t *type2) -{ - return type1->symbol == type2->symbol; -} - static bool compound_types_equal(const compound_type_t *type1, const compound_type_t *type2) { @@ -305,15 +252,6 @@ static bool typeof_types_equal(const typeof_type_t *type1, return true; } -static bool bitfield_types_equal(const bitfield_type_t *type1, - const bitfield_type_t *type2) -{ - if (type1->base_type != type2->base_type) - return false; - /* TODO: compare size expression */ - return false; -} - static bool types_equal(const type_t *type1, const type_t *type2) { if (type1 == type2) @@ -322,21 +260,15 @@ static bool types_equal(const type_t *type1, const type_t *type2) return false; if (type1->base.qualifiers != type2->base.qualifiers) return false; - if (type1->base.modifiers != type2->base.modifiers) - 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: - return atomic_types_equal(&type1->atomic, &type2->atomic); - case TYPE_COMPLEX: - return complex_types_equal(&type1->complex, &type2->complex); case TYPE_IMAGINARY: - return imaginary_types_equal(&type1->imaginary, &type2->imaginary); + case TYPE_COMPLEX: + return atomic_types_equal(&type1->atomic, &type2->atomic); case TYPE_ENUM: return enum_types_equal(&type1->enumt, &type2->enumt); case TYPE_COMPOUND_STRUCT: @@ -350,14 +282,10 @@ static bool types_equal(const type_t *type1, const type_t *type2) return reference_types_equal(&type1->reference, &type2->reference); case TYPE_ARRAY: return array_types_equal(&type1->array, &type2->array); - case TYPE_BUILTIN: - return builtin_types_equal(&type1->builtin, &type2->builtin); case TYPE_TYPEOF: return typeof_types_equal(&type1->typeoft, &type2->typeoft); case TYPE_TYPEDEF: return typedef_types_equal(&type1->typedeft, &type2->typedeft); - case TYPE_BITFIELD: - return bitfield_types_equal(&type1->bitfield, &type2->bitfield); } abort();