forked from qt-creator/qt-creator
82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
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/**************************************************************************
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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) 2010 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** Commercial Usage
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://qt.nokia.com/contact.
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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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#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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accept(_doc->translationUnit()->ast());
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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 && 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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