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#ifndef CMONKEY_TOKEN_H
#define CMONKEY_TOKEN_H

#include "slice.h"

enum token_type {
	TOKEN_ILLEGAL,
	TOKEN_EOF,
	/* Identifiers/Literals */
	TOKEN_IDENT,
	TOKEN_INT,
	/* Operators */
	TOKEN_ASSIGN,
	TOKEN_PLUS,
	TOKEN_MINUS,
	TOKEN_BANG,
	TOKEN_ASTERISK,
	TOKEN_SLASH,
	TOKEN_LT,
	TOKEN_GT,
	TOKEN_EQ,
	TOKEN_NOTEQ,
	/* Delimiters */
	TOKEN_COMMA,
	TOKEN_SEMICOLON,
	TOKEN_LPAREN,
	TOKEN_RPAREN,
	TOKEN_LBRACE,
	TOKEN_RBRACE,
	/* Keywords */
	TOKEN_FUNC,
	TOKEN_LET,
	TOKEN_TRUE,
	TOKEN_FALSE,
	TOKEN_IF,
	TOKEN_ELSE,
	TOKEN_RETURN,
};

struct token {
	enum token_type type;
	struct slice literal;
};

void token_init_keywords(void);

enum token_type token_lookup_ident(const struct slice *ident);

inline const char *token_type_print(enum token_type);

char *token_sprint(struct token *, char *str);

void token_free_keywords(void);

#endif