3 #include "symbol_table_t.h"
5 #include "adt/hash_string.h"
8 struct obstack symbol_obstack;
11 void init_symbol_table_entry(symbol_t *entry, const char *string)
13 entry->string = string;
14 entry->ID = T_IDENTIFIER;
16 entry->declaration = NULL;
17 entry->context = NULL;
20 #define HashSet symbol_table_t
21 #define HashSetIterator symbol_table_iterator_t
22 #define HashSetEntry symbol_table_hash_entry_t
23 #define ValueType symbol_t*
24 #define NullValue NULL
25 #define DeletedValue ((symbol_t*)-1)
26 #define KeyType const char *
27 #define ConstKeyType const char *
28 #define GetKey(value) (value)->string
29 #define InitData(this,value,key) { (value) = (ValueType) obstack_alloc(&symbol_obstack, sizeof(symbol_t)); init_symbol_table_entry((value), key); }
30 #define Hash(this, key) hash_string(key)
31 #define KeysEqual(this,key1,key2) (strcmp(key1, key2) == 0)
32 #define SetRangeEmpty(ptr,size) memset(ptr, 0, (size) * sizeof(symbol_table_hash_entry_t))
34 #define hashset_init _symbol_table_init
35 #define hashset_init_size _symbol_table_init_size
36 #define hashset_destroy _symbol_table_destroy
37 #define hashset_insert _symbol_table_insert
38 #define hashset_remove _symbol_table_remove
39 #define hashset_find _symbol_table_find
40 #define hashset_size _symbol_table_size
41 #define hashset_iterator_init _symbol_table_iterator_init
42 #define hashset_iterator_next _symbol_table_iterator_next
43 #define hashset_remove_iterator _symbol_table_remove_iterator
45 #include "adt/hashset.c"
47 static symbol_table_t symbol_table;
49 symbol_t *symbol_table_insert(const char *symbol)
51 return _symbol_table_insert(&symbol_table, symbol);
54 void init_symbol_table(void)
56 obstack_init(&symbol_obstack);
57 _symbol_table_init(&symbol_table);
60 void exit_symbol_table(void)
62 _symbol_table_destroy(&symbol_table);
63 obstack_free(&symbol_obstack, NULL);