#pragma once
#include <stdbool.h>

typedef enum TokenType {
	TOK_NONE,
	TOK_WORD,
	TOK_STRING,
	TOK_INTEGER,
	/* single char toks */
	TOK_PAREN_OPEN,
	TOK_PAREN_CLOS,
	TOK_CURL_OPEN,
	TOK_CURL_CLOS,
	TOK_SQUAR_OPEN,
	TOK_SQUAR_CLOS,
	TOK_COLON,
	TOK_SEMICOLON,
	TOK_ASSIGN,
	TOK_COMMA,
	TOK_COMP_LESS,
	TOK_COMP_MORE,
	TOK_ADD,
	TOK_SUB,
	TOK_MUL,
	TOK_DIV,
	TOK_MOD,
	TOK_AND,
	TOK_OR,
	TOK_XOR,
	TOK_REF,
	TOK_NOT,
	/* double char toks */
	TOK_COMMENT,
	TOK_COMP_EQ,
	TOK_COMP_NEQ,
	TOK_COMP_LESSEQ,
	TOK_COMP_MOREEQ,
	TOK_COMP_OR,
	TOK_COMP_AND,
	/* keywords */
	TOK_KW_VAR,
	TOK_KW_CONST,
	TOK_KW_FN,
	TOK_KW_IF,
	TOK_KW_ELSE,
	TOK_KW_WHILE,
} TokenType;

union TokenValue {
	char c;
	int i;
	double d;
	bool b;
};

typedef struct Token {
	unsigned int type;
	unsigned int line;
	unsigned int column;
	union TokenValue v;
	char *s;
} Token;

void token_free(Token *tok);
void token_print(const Token *tok);
const char *token_type_str(TokenType type);