/*
* This file is part of cparser.
- * Copyright (C) 2007-2008 Matthias Braun <matze@braunis.de>
+ * Copyright (C) 2007-2009 Matthias Braun <matze@braunis.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
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)
+static unsigned hash_pointer_type(const pointer_type_t *type)
{
- unsigned some_prime = 27644437;
- unsigned result = type->akind * some_prime;
-
- return result;
+ return hash_ptr(type->points_to) ^ hash_ptr(type->base_variable);
}
-static unsigned hash_pointer_type(const pointer_type_t *type)
+static unsigned hash_reference_type(const reference_type_t *type)
{
- return hash_ptr(type->points_to);
+ return hash_ptr(type->refers_to);
}
static unsigned hash_array_type(const array_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);
result ^= hash_ptr(parameter->type);
parameter = parameter->next;
}
+ result += type->modifiers;
result += type->linkage;
result += type->calling_convention;
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");
- return 0;
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;
case TYPE_POINTER:
hash = hash_pointer_type(&type->pointer);
break;
+ case TYPE_REFERENCE:
+ hash = hash_reference_type(&type->reference);
+ break;
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;
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)
{
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;
type1->base_variable == type2->base_variable;
}
+static bool reference_types_equal(const reference_type_t *type1,
+ const reference_type_t *type2)
+{
+ return type1->refers_to == type2->refers_to;
+}
+
static bool array_types_equal(const array_type_t *type1,
const array_type_t *type2)
{
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)
{
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)
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:
return function_types_equal(&type1->function, &type2->function);
case TYPE_POINTER:
return pointer_types_equal(&type1->pointer, &type2->pointer);
+ case TYPE_REFERENCE:
+ 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();