10 #define HashSet type_hash_t
11 #define HashSetIterator type_hash_iterator_t
12 #define ValueType type_t*
13 #include "adt/hashset.h"
15 #undef HashSetIterator
19 unsigned hash_ptr(const void *ptr)
21 unsigned ptr_int = ((char*) ptr - (char*) NULL);
26 unsigned hash_atomic_type(const atomic_type_t *type)
28 unsigned some_prime = 27644437;
30 return type->atype * some_prime;
34 unsigned hash_pointer_type(const pointer_type_t *type)
36 return hash_ptr(type->points_to);
40 unsigned hash_compound_type(const compound_type_t *type)
42 unsigned result = hash_ptr(type->symbol);
48 unsigned hash_type(const type_t *type);
51 unsigned hash_method_type(const method_type_t *type)
53 unsigned result = hash_ptr(type->result_type);
55 method_parameter_type_t *parameter = type->parameter_types;
56 while(parameter != NULL) {
57 result ^= hash_ptr(parameter->type);
58 parameter = parameter->next;
65 unsigned hash_enum_type(const enum_type_t *type)
67 unsigned result = hash_ptr(type->symbol);
75 unsigned hash_type(const type_t *type)
81 panic("internalizing void or invalid types not possible");
84 hash = hash_atomic_type((const atomic_type_t*) type);
87 hash = hash_enum_type((const enum_type_t*) type);
89 case TYPE_COMPOUND_STRUCT:
90 case TYPE_COMPOUND_UNION:
91 hash = hash_compound_type((const compound_type_t*) type);
94 hash = hash_method_type((const method_type_t*) type);
97 hash = hash_pointer_type((const pointer_type_t*) type);
100 hash = hash_ptr(((const builtin_type_t*) type)->symbol);
104 unsigned some_prime = 99991;
105 hash ^= some_prime * type->qualifiers;
111 int atomic_types_equal(const atomic_type_t *type1, const atomic_type_t *type2)
113 return type1->atype == type2->atype;
117 int compound_types_equal(const compound_type_t *type1,
118 const compound_type_t *type2)
120 if(type1->type.type != type2->type.type)
122 if(type1->symbol != type2->symbol)
125 declaration_t *entry1 = type1->context.declarations;
126 declaration_t *entry2 = type2->context.declarations;
128 while(entry1 != NULL && entry2 != NULL) {
129 if(entry1->type != entry2->type)
131 if(entry1->symbol != entry2->symbol)
133 entry1 = entry1->next;
134 entry2 = entry2->next;
136 if(entry1 != NULL || entry2 != NULL)
143 int method_types_equal(const method_type_t *type1, const method_type_t *type2)
145 if(type1->result_type != type2->result_type)
148 method_parameter_type_t *param1 = type1->parameter_types;
149 method_parameter_type_t *param2 = type2->parameter_types;
150 while(param1 != NULL && param2 != NULL) {
151 if(param1->type != param2->type)
153 param1 = param1->next;
154 param2 = param2->next;
156 if(param1 != NULL || param2 != NULL)
163 int pointer_types_equal(const pointer_type_t *type1,
164 const pointer_type_t *type2)
166 return type1->points_to == type2->points_to;
170 int enum_types_equal(const enum_type_t *type1, const enum_type_t *type2)
173 return type1->symbol == type2->symbol;
177 int builtin_types_equal(const builtin_type_t *type1,
178 const builtin_type_t *type2)
180 return type1->symbol == type2->symbol;
184 int types_equal(const type_t *type1, const type_t *type2)
188 if(type1->type != type2->type)
190 if(type1->qualifiers != type2->qualifiers)
193 switch(type1->type) {
197 return atomic_types_equal((const atomic_type_t*) type1,
198 (const atomic_type_t*) type2);
199 case TYPE_COMPOUND_STRUCT:
200 case TYPE_COMPOUND_UNION:
201 return compound_types_equal((const compound_type_t*) type1,
202 (const compound_type_t*) type2);
204 return enum_types_equal((const enum_type_t*) type1,
205 (const enum_type_t*) type2);
207 return method_types_equal((const method_type_t*) type1,
208 (const method_type_t*) type2);
210 return pointer_types_equal((const pointer_type_t*) type1,
211 (const pointer_type_t*) type2);
213 return builtin_types_equal((const builtin_type_t*) type1,
214 (const builtin_type_t*) type2);
220 #define HashSet type_hash_t
221 #define HashSetIterator type_hash_iterator_t
222 #define ValueType type_t*
223 #define NullValue NULL
224 #define DeletedValue ((type_t*)-1)
225 #define Hash(this, key) hash_type(key)
226 #define KeysEqual(this,key1,key2) types_equal(key1, key2)
227 #define SetRangeEmpty(ptr,size) memset(ptr, 0, (size) * sizeof(*(ptr)))
229 #define hashset_init _typehash_init
230 #define hashset_init_size _typehash_init_size
231 #define hashset_destroy _typehash_destroy
232 #define hashset_insert _typehash_insert
233 #define hashset_remove typehash_remove
234 #define hashset_find typehash_find
235 #define hashset_size typehash_size
236 #define hashset_iterator_init typehash_iterator_init
237 #define hashset_iterator_next typehash_iterator_next
238 #define hashset_remove_iterator typehash_remove_iterator
240 #include "adt/hashset.c"
242 static type_hash_t typehash;
244 void init_typehash(void)
246 _typehash_init(&typehash);
249 void exit_typehash(void)
251 _typehash_destroy(&typehash);
254 type_t *typehash_insert(type_t *type)
256 return _typehash_insert(&typehash, type);