+/*
+ * This file is part of cparser.
+ * Copyright (C) 2012 Matthias Braun <matze@braunis.de>
+ */
#include <config.h>
+#include <stdbool.h>
+
#include "type_hash.h"
#include "adt/error.h"
#include <assert.h>
#define HashSet type_hash_t
-#define HashSetIterator type_hash_iterator_t
#define ValueType type_t*
#include "adt/hashset.h"
#undef ValueType
-#undef HashSetIterator
#undef HashSet
-static
-unsigned hash_ptr(const void *ptr)
+typedef struct type_hash_iterator_t type_hash_iterator_t;
+typedef struct type_hash_t type_hash_t;
+
+/* TODO: ^= is a bad way of combining hashes since most addresses are very
+ * similar */
+
+static unsigned hash_ptr(const void *ptr)
{
unsigned ptr_int = ((char*) ptr - (char*) NULL);
return ptr_int >> 3;
}
-static
-unsigned hash_atomic_type(const atomic_type_t *type)
+static unsigned hash_atomic_type(const atomic_type_t *type)
{
unsigned some_prime = 27644437;
+ unsigned result = type->akind * some_prime;
- return type->atype * some_prime;
+ return result;
}
-static
-unsigned hash_pointer_type(const pointer_type_t *type)
+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_compound_type(const compound_type_t *type)
+static unsigned hash_reference_type(const reference_type_t *type)
{
- unsigned result = hash_ptr(type->symbol);
+ return hash_ptr(type->refers_to);
+}
- return result;
+static unsigned hash_array_type(const array_type_t *type)
+{
+ return hash_ptr(type->element_type);
}
-static
-unsigned hash_type(const type_t *type);
+static unsigned hash_compound_type(const compound_type_t *type)
+{
+ return hash_ptr(type->compound);
+}
-static
-unsigned hash_method_type(const method_type_t *type)
+static unsigned hash_function_type(const function_type_t *type)
{
- unsigned result = hash_ptr(type->result_type);
+ unsigned result = hash_ptr(type->return_type);
- method_parameter_type_t *parameter = type->parameter_types;
- while(parameter != NULL) {
- result ^= hash_ptr(parameter->type);
+ function_parameter_t *parameter = type->parameters;
+ while (parameter != NULL) {
+ result ^= hash_ptr(parameter->type);
parameter = parameter->next;
}
+ result += type->modifiers;
+ result += type->linkage;
+ result += type->calling_convention;
return result;
}
-static
-unsigned hash_enum_type(const enum_type_t *type)
+static unsigned hash_enum_type(const enum_type_t *type)
{
- unsigned result = hash_ptr(type->symbol);
+ return hash_ptr(type->enume);
+}
- /* TODO */
+static unsigned hash_typeof_type(const typeof_type_t *type)
+{
+ unsigned result = hash_ptr(type->expression);
+ result ^= hash_ptr(type->typeof_type);
return result;
}
-static
-unsigned hash_type(const type_t *type)
+static unsigned hash_type(const type_t *type)
{
- unsigned hash;
+ unsigned hash = 0;
- switch(type->type) {
- case TYPE_INVALID:
- panic("internalizing void or invalid types not possible");
+ switch (type->kind) {
+ case TYPE_ERROR:
return 0;
+ case TYPE_IMAGINARY:
+ case TYPE_COMPLEX:
case TYPE_ATOMIC:
- hash = hash_atomic_type((const atomic_type_t*) type);
+ hash = hash_atomic_type(&type->atomic);
break;
case TYPE_ENUM:
- hash = hash_enum_type((const enum_type_t*) type);
+ hash = hash_enum_type(&type->enumt);
break;
case TYPE_COMPOUND_STRUCT:
case TYPE_COMPOUND_UNION:
- hash = hash_compound_type((const compound_type_t*) type);
+ hash = hash_compound_type(&type->compound);
break;
- case TYPE_METHOD:
- hash = hash_method_type((const method_type_t*) type);
+ case TYPE_FUNCTION:
+ hash = hash_function_type(&type->function);
break;
case TYPE_POINTER:
- hash = hash_pointer_type((const pointer_type_t*) type);
+ hash = hash_pointer_type(&type->pointer);
break;
- case TYPE_BUILTIN:
- hash = hash_ptr(((const builtin_type_t*) type)->symbol);
+ case TYPE_REFERENCE:
+ hash = hash_reference_type(&type->reference);
+ break;
+ case TYPE_ARRAY:
+ hash = hash_array_type(&type->array);
+ break;
+ case TYPE_TYPEDEF:
+ hash = hash_ptr(type->typedeft.typedefe);
+ break;
+ case TYPE_TYPEOF:
+ hash = hash_typeof_type(&type->typeoft);
break;
}
unsigned some_prime = 99991;
- hash ^= some_prime * type->qualifiers;
+ hash ^= some_prime * type->base.qualifiers;
return hash;
}
-static
-int atomic_types_equal(const atomic_type_t *type1, const atomic_type_t *type2)
+static bool atomic_types_equal(const atomic_type_t *type1,
+ const atomic_type_t *type2)
{
- return type1->atype == type2->atype;
+ return type1->akind == type2->akind;
}
-static
-int compound_types_equal(const compound_type_t *type1,
- const compound_type_t *type2)
+static bool function_types_equal(const function_type_t *type1,
+ const function_type_t *type2)
{
- if(type1->type.type != type2->type.type)
- return 0;
- if(type1->symbol != type2->symbol)
- return 0;
-
- declaration_t *entry1 = type1->context.declarations;
- declaration_t *entry2 = type2->context.declarations;
-
- while(entry1 != NULL && entry2 != NULL) {
- if(entry1->type != entry2->type)
- return 0;
- if(entry1->symbol != entry2->symbol)
- return 0;
- entry1 = entry1->next;
- entry2 = entry2->next;
+ if (type1->return_type != type2->return_type)
+ return false;
+ if (type1->variadic != type2->variadic)
+ return false;
+ if (type1->unspecified_parameters != type2->unspecified_parameters)
+ return false;
+ if (type1->kr_style_parameters != type2->kr_style_parameters)
+ 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;
+
+ function_parameter_t *param1 = type1->parameters;
+ function_parameter_t *param2 = type2->parameters;
+ while (param1 != NULL && param2 != NULL) {
+ if (param1->type != param2->type)
+ return false;
+ param1 = param1->next;
+ param2 = param2->next;
}
- if(entry1 != NULL || entry2 != NULL)
- return 0;
+ if (param1 != NULL || param2 != NULL)
+ return false;
- return 1;
+ return true;
}
-static
-int method_types_equal(const method_type_t *type1, const method_type_t *type2)
+static bool pointer_types_equal(const pointer_type_t *type1,
+ const pointer_type_t *type2)
{
- if(type1->result_type != type2->result_type)
- return 0;
-
- method_parameter_type_t *param1 = type1->parameter_types;
- method_parameter_type_t *param2 = type2->parameter_types;
- while(param1 != NULL && param2 != NULL) {
- if(param1->type != param2->type)
- return 0;
- param1 = param1->next;
- param2 = param2->next;
- }
- if(param1 != NULL || param2 != NULL)
- return 0;
+ return type1->points_to == type2->points_to &&
+ type1->base_variable == type2->base_variable;
+}
- return 1;
+static bool reference_types_equal(const reference_type_t *type1,
+ const reference_type_t *type2)
+{
+ return type1->refers_to == type2->refers_to;
}
-static
-int pointer_types_equal(const pointer_type_t *type1,
- const pointer_type_t *type2)
+static bool array_types_equal(const array_type_t *type1,
+ const array_type_t *type2)
{
- return type1->points_to == type2->points_to;
+ if (type1->element_type != type2->element_type)
+ return false;
+ if (type1->is_variable != type2->is_variable)
+ 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... */
+
+ return false;
}
-static
-int enum_types_equal(const enum_type_t *type1, const enum_type_t *type2)
+static bool compound_types_equal(const compound_type_t *type1,
+ const compound_type_t *type2)
{
- if(type1->symbol != NULL && type1->symbol == type2->symbol)
- return 1;
-
- enum_entry_t *entry1 = type1->entries;
- enum_entry_t *entry2 = type2->entries;
- while(entry1 != NULL && entry2 != NULL) {
- if(entry1->symbol != entry2->symbol)
- return 0;
- /* TODO: compare expressions */
- entry1 = entry1->next;
- entry2 = entry2->next;
- }
- if(entry1 != NULL || entry2 != NULL)
- return 0;
+ return type1->compound == type2->compound;
+}
- return 1;
+static bool enum_types_equal(const enum_type_t *type1,
+ const enum_type_t *type2)
+{
+ return type1->enume == type2->enume;
}
-static
-int builtin_types_equal(const builtin_type_t *type1,
- const builtin_type_t *type2)
+static bool typedef_types_equal(const typedef_type_t *type1,
+ const typedef_type_t *type2)
{
- return type1->symbol == type2->symbol;
+ return type1->typedefe == type2->typedefe;
}
-static
-int types_equal(const type_t *type1, const type_t *type2)
+static bool typeof_types_equal(const typeof_type_t *type1,
+ const typeof_type_t *type2)
{
- if(type1 == type2)
- return 1;
- if(type1->type != type2->type)
- return 0;
- if(type1->qualifiers != type2->qualifiers)
- return 0;
+ if (type1->expression != type2->expression)
+ return false;
+ if (type1->typeof_type != type2->typeof_type)
+ return false;
- switch(type1->type) {
- case TYPE_INVALID:
- return 0;
+ return true;
+}
+
+static bool types_equal(const type_t *type1, const type_t *type2)
+{
+ if (type1 == type2)
+ return true;
+ if (type1->kind != type2->kind)
+ return false;
+ if (type1->base.qualifiers != type2->base.qualifiers)
+ return false;
+
+ switch (type1->kind) {
+ case TYPE_ERROR:
+ /* Hmm, the error type is never equal */
+ return false;
case TYPE_ATOMIC:
- return atomic_types_equal((const atomic_type_t*) type1,
- (const atomic_type_t*) type2);
+ case TYPE_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:
case TYPE_COMPOUND_UNION:
- return compound_types_equal((const compound_type_t*) type1,
- (const compound_type_t*) type2);
- case TYPE_ENUM:
- return enum_types_equal((const enum_type_t*) type1,
- (const enum_type_t*) type2);
- case TYPE_METHOD:
- return method_types_equal((const method_type_t*) type1,
- (const method_type_t*) type2);
+ return compound_types_equal(&type1->compound, &type2->compound);
+ case TYPE_FUNCTION:
+ return function_types_equal(&type1->function, &type2->function);
case TYPE_POINTER:
- return pointer_types_equal((const pointer_type_t*) type1,
- (const pointer_type_t*) type2);
- case TYPE_BUILTIN:
- return builtin_types_equal((const builtin_type_t*) type1,
- (const builtin_type_t*) type2);
+ 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_TYPEOF:
+ return typeof_types_equal(&type1->typeoft, &type2->typeoft);
+ case TYPE_TYPEDEF:
+ return typedef_types_equal(&type1->typedeft, &type2->typedeft);
}
abort();
}
#define HashSet type_hash_t
-#define HashSetIterator type_hash_iterator_t
#define ValueType type_t*
#define NullValue NULL
#define DeletedValue ((type_t*)-1)
#define KeysEqual(this,key1,key2) types_equal(key1, key2)
#define SetRangeEmpty(ptr,size) memset(ptr, 0, (size) * sizeof(*(ptr)))
+void _typehash_init(type_hash_t *hash);
#define hashset_init _typehash_init
-#define hashset_init_size _typehash_init_size
+void _typehash_destroy(type_hash_t *hash);
#define hashset_destroy _typehash_destroy
+type_t *_typehash_insert(type_hash_t *hash, type_t *type);
#define hashset_insert _typehash_insert
-#define hashset_remove typehash_remove
-#define hashset_find typehash_find
-#define hashset_size typehash_size
-#define hashset_iterator_init typehash_iterator_init
-#define hashset_iterator_next typehash_iterator_next
-#define hashset_remove_iterator typehash_remove_iterator
-
-#include "adt/hashset.c"
+#define SCALAR_RETURN
+
+#include "adt/hashset.c.inl"
static type_hash_t typehash;
projects / cparser / blobdiff