katie/src/tools/moc/parser.cpp

/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "parser.h"
#include "utils.h"
#include <stdio.h>
#include <stdlib.h>

QT_BEGIN_NAMESPACE

#ifdef USE_LEXEM_STORE
Symbol::LexemStore Symbol::lexemStore;
#endif

static const char *error_msg = 0;

void Parser::error(int rollback) {
    index -= rollback;
    error();
}
void Parser::error(const char *msg) {
    if (msg || error_msg)
        qWarning("%s:%d: Error: %s",
                 currentFilenames.top().constData(), symbol().lineNum, msg?msg:error_msg);
    else
        qWarning("%s:%d: Parse error at \"%s\"",
                 currentFilenames.top().constData(), symbol().lineNum, symbol().lexem().data());
    exit(EXIT_FAILURE);
}

void Parser::warning(const char *msg) {
    if (displayWarnings && msg)
        fprintf(stderr, "%s:%d: Warning: %s\n",
                currentFilenames.top().constData(), qMax(0, index > 0 ? symbol().lineNum : 0), msg);
}

void Parser::note(const char *msg) {
    if (displayNotes && msg)
        fprintf(stderr, "%s:%d: Note: %s\n",
                currentFilenames.top().constData(), qMax(0, index > 0 ? symbol().lineNum : 0), msg);
}

QT_END_NAMESPACE