%option noyywrap

%{
/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QLALR tool of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
******************************************************************************/

#include "calc_parser.h"
#include <cstdlib>

// Work around flex bug
#include <unistd.h>

#define YY_DECL int CalcParser::nextToken()
%}

%%

[ \t\n]     { /* eat me */ }
[0-9]+      { sym(1) = atoi (yytext); return Token_number; }
"("         { return Token_lparen; }
")"         { return Token_rparen; }
"+"         { return Token_plus; }
"-"         { return Token_minus; }

%%