forked from qt-creator/qt-creator
93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (info@qt.nokia.com)
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**
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**
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** GNU Lesser General Public License Usage
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**
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this file.
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** Please review the following information to ensure the GNU Lesser General
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** Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** Other Usage
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**
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at info@qt.nokia.com.
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**
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**************************************************************************/
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#include "ASTPath.h"
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#include <AST.h>
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#include <TranslationUnit.h>
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#ifdef DEBUG_AST_PATH
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# include <QtCore/QDebug>
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# include <typeinfo>
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#endif // DEBUG_AST_PATH
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using namespace CPlusPlus;
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QList<AST *> ASTPath::operator()(int line, int column)
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{
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_nodes.clear();
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_line = line + 1;
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_column = column + 1;
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if (_doc) {
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if (TranslationUnit *unit = _doc->translationUnit())
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accept(unit->ast());
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}
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return _nodes;
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}
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#ifdef DEBUG_AST_PATH
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void ASTPath::dump(const QList<AST *> nodes)
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{
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qDebug() << "ASTPath dump," << nodes.size() << "nodes:";
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for (int i = 0; i < nodes.size(); ++i)
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qDebug() << qPrintable(QString(i + 1, QLatin1Char('-'))) << typeid(*nodes.at(i)).name();
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}
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#endif // DEBUG_AST_PATH
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bool ASTPath::preVisit(AST *ast)
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{
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unsigned firstToken = ast->firstToken();
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unsigned lastToken = ast->lastToken();
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if (firstToken > 0) {
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Q_ASSERT(lastToken > firstToken);
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unsigned startLine, startColumn;
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getTokenStartPosition(firstToken, &startLine, &startColumn);
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if (_line > startLine || (_line == startLine && _column >= startColumn)) {
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unsigned endLine, endColumn;
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getTokenEndPosition(lastToken - 1, &endLine, &endColumn);
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if (_line < endLine || (_line == endLine && _column <= endColumn)) {
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_nodes.append(ast);
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return true;
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}
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}
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}
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return false;
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}
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