/* $Id$ */
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/* Copyright (c) 2024 Nishi.                                                  */
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%{
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int yyerror(const char* str);
int yylex(void);

%}

%token NUMBER STRING IDENTIFIER

%%

expression_list
	: expression
	| expression_list expression
	;

expression
	: NUMBER
	| STRING
	| IDENTIFIER
	| '(' expression_list ')'
	;
%%
const char language_name[] = "LISP";
const char* language_ext[] = {
	"lisp",
	NULL
};
const char language_description[] = "LISP Language Parser/Lexer";

int yyerror(const char* str){
	fprintf(stderr, "parser error near %s\n", str);
	return 0;
}