stable

lib/utils/symtab/symtab.h

@@ -1,6 +1,39 @@
 #ifndef __SMCC_SYMTABL_H__
 #define __SMCC_SYMTABL_H__
 
+#include <lib/core.h>
+#include <lib/utils/ds/hashtable.h>
+#include <lib/utils/strpool/strpool.h>
 
+// FIXME 架构上可能有更好的方式解决
+
+typedef struct symtab_key {
+    const char* strp_name;
+    int uid;
+} symtab_key_t;
+
+typedef struct scope {
+    int uid;
+    struct scope* parent;
+    hash_table_t table;
+} scope_t;
+
+typedef struct symtab {
+    hash_table_t global_table;
+    hash_table_t local_table;
+    scope_t* cur_scope;
+    int gid; // global id for generating unique scope id
+} symtab_t;
+
+void init_symtab(symtab_t* symtab);
+void symtab_destroy(symtab_t* symtab);
+
+void symtab_enter_scope(symtab_t* symtab);
+void symtab_leave_scope(symtab_t* symtab);
+
+void* symtab_get(symtab_t* symtab, symtab_key_t* key);
+
+// WARNING key and val need you save, especially val
+void* symtab_add(symtab_t* symtab, symtab_key_t* key, void* val);
 
 #endif