// symtab.h
#ifndef __SYMTAB_H__
#define __SYMTAB_H__

typedef struct symtab {
    struct Scope* cur_scope;
    struct Scope* global_scope;
} symtab_t;

void init_symtab(symtab_t* symtab);
void del_symtab(symtab_t* symtab);

void symtab_enter_scope(symtab_t* symtab);
void symtab_leave_scope(symtab_t* symtab);
void* symtab_add_symbol(symtab_t* symtab, const char* name, void* ast_node, int can_duplicate);
void* symtab_lookup_symbol(symtab_t* symtab, const char* name);

#endif