shithub: scc

ref: 8b6cc849d8e198cfa639b4de3ad84a22f2d36e07
dir: /symbol.h/

#pragma once
#ifndef SYMBOL_H
#define SYMBOL_H

struct type;

struct symbol {
	struct type *type;
	union {
		struct {	/* used in usual symbols */
			char *str;
			unsigned char level;
		};
		unsigned char tok; /* used in keywords */
	};
	struct symbol *next;
	struct symbol *h_next, *h_prev;
};

struct symctx {
	struct symbol *iden;
	struct symctx *next;
};


extern void new_ctx(struct symctx *ctx);
extern void del_ctx(void);
extern struct symbol *install(const char *s, unsigned char key);
extern struct symbol *lookup(char *s, unsigned char key);
extern unsigned char hashfun(register const char *s);

#endif