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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "ASTPath.h"
#include <AST.h>
#include <TranslationUnit.h>
#ifdef DEBUG_AST_PATH
# include <QDebug>
# include <typeinfo>
#endif // DEBUG_AST_PATH
using namespace CPlusPlus;
QList<AST *> ASTPath::operator()(int line, int column)
{
_nodes.clear();
_line = line;
_column = column;
if (_doc) {
if (TranslationUnit *unit = _doc->translationUnit())
accept(unit->ast());
}
return _nodes;
}
#ifdef DEBUG_AST_PATH
void ASTPath::dump(const QList<AST *> nodes)
{
qDebug() << "ASTPath dump," << nodes.size() << "nodes:";
for (int i = 0; i < nodes.size(); ++i)
qDebug() << qPrintable(QString(i + 1, QLatin1Char('-'))) << typeid(*nodes.at(i)).name();
}
#endif // DEBUG_AST_PATH
bool ASTPath::preVisit(AST *ast)
{
unsigned firstToken = ast->firstToken();
unsigned lastToken = ast->lastToken();
if (firstToken > 0) {
if (lastToken <= firstToken)
return false;
unsigned startLine, startColumn;
getTokenStartPosition(firstToken, &startLine, &startColumn);
if (_line > startLine || (_line == startLine && _column >= startColumn)) {
unsigned endLine, endColumn;
getTokenEndPosition(lastToken - 1, &endLine, &endColumn);
if (_line < endLine || (_line == endLine && _column <= endColumn)) {
_nodes.append(ast);
return true;
}
}
}
return false;
}
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