forked from qt-creator/qt-creator
f72370f20a
* Update remaining files in src Change-Id: I1896f17fcf34f71c3310c87899fb5171b8e4afb1 Reviewed-by: Tobias Hunger <tobias.hunger@theqtcompany.com>
108 lines
3.3 KiB
C++
108 lines
3.3 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the 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 The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#include "ASTPath.h"
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#include <cplusplus/AST.h>
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#include <cplusplus/TranslationUnit.h>
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#ifdef WITH_AST_PATH_DUMP
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# include <QDebug>
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# include <typeinfo>
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#endif // WITH_AST_PATH_DUMP
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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;
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_column = column;
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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 WITH_AST_PATH_DUMP
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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 // WITH_AST_PATH_DUMP
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bool ASTPath::preVisit(AST *ast)
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{
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const unsigned firstToken = firstNonGeneratedToken(ast);
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const unsigned lastToken = lastNonGeneratedToken(ast);
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if (firstToken > 0) {
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if (lastToken <= firstToken)
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return false;
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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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unsigned ASTPath::firstNonGeneratedToken(AST *ast) const
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{
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const unsigned lastTokenIndex = ast->lastToken();
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unsigned tokenIndex = ast->firstToken();
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while (tokenIndex <= lastTokenIndex && tokenAt(tokenIndex).generated())
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++tokenIndex;
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return tokenIndex;
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}
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unsigned ASTPath::lastNonGeneratedToken(AST *ast) const
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{
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const unsigned firstTokenIndex = ast->firstToken();
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const unsigned lastTokenIndex = ast->lastToken();
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unsigned tokenIndex = lastTokenIndex;
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while (firstTokenIndex <= tokenIndex && tokenAt(tokenIndex).generated())
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--tokenIndex;
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return tokenIndex != lastTokenIndex
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? tokenIndex + 1
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: tokenIndex;
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}
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