#ifndef SYMTABLE_H
#define SYMTABLE_H

#define S_FIELD (1<<0)
#define S_VAR (1<<1)
#define S_PARM (1<<2)

#define SYMNULL (struct symbol *)NULL

struct symbol {
	char *ident;
	struct symbol *next;
	short type;
	int param_index;
	int soffset;
};

struct symbol *tab_clone(struct symbol *tab);
struct symbol *tab_new(void);
struct symbol *tab_add_symbol(struct symbol *tab, char *ident, short type, short check, int param_index, int soffset);
struct symbol *tab_lookup(struct symbol *tab, char *ident, short type);
struct symbol *tab_remove_symbol(struct symbol *tab, char *ident, short type);
struct symbol *tab_merge(struct symbol *tab, struct symbol *to_add, short check);
void check(struct symbol *tab, char *ident, short type);

#endif