forked from qt-creator/qt-creator
Add experimental clang code-model plug-in.
Previously known as the wip/clang branch. Contributors (in alphabetical order): - Christian Kamm <christian.d.kamm@nokia.com> - Erik Verbruggen <erik.verbruggen@digia.com> - Leandro Melo <leandro.melo@nokia.com> - Peter Kuemmel <syntheticpp@gmx.net> - Sergey Shambir <sergey.shambir.auto@gmail.com> Change-Id: I4c3ff600a19b6732641c1d5ef28236bf2cc17737 Reviewed-by: hjk <hjk121@nokiamail.com>
This commit is contained in:
Erik Verbruggen
hjk
322
src/plugins/clangcodemodel/clangutils.cpp
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322
src/plugins/clangcodemodel/clangutils.cpp
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/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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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 Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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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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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia 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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****************************************************************************/
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#include "clangutils.h"
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#include <clang-c/Index.h>
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#include <coreplugin/documentmanager.h>
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#include <coreplugin/icore.h>
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#include <coreplugin/idocument.h>
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#include <QFile>
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#include <QSet>
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#include <QString>
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using namespace ClangCodeModel;
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using namespace ClangCodeModel::Internal;
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using namespace Core;
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using namespace CppTools;
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namespace ClangCodeModel {
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namespace Utils {
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namespace {
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bool isBlacklisted(const QString &path)
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{
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static QStringList blacklistedPaths = QStringList()
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<< QLatin1String("lib/gcc/i686-apple-darwin");
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foreach (const QString &blacklisted, blacklistedPaths)
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if (path.contains(blacklisted))
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return true;
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return false;
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}
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} // anonymous namespace
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UnsavedFiles createUnsavedFiles(CppModelManagerInterface::WorkingCopy workingCopy)
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{
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// TODO: change the modelmanager to hold one working copy, and amend it every time we ask for one.
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// TODO: Reason: the UnsavedFile needs a QByteArray.
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QSet<QString> modifiedFiles;
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foreach (IDocument *doc, Core::DocumentManager::modifiedDocuments())
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modifiedFiles.insert(doc->filePath());
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UnsavedFiles result;
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QHashIterator<QString, QPair<QByteArray, unsigned> > wcIter = workingCopy.iterator();
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while (wcIter.hasNext()) {
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wcIter.next();
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const QString &fileName = wcIter.key();
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if (modifiedFiles.contains(fileName) && QFile(fileName).exists())
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result.insert(fileName, wcIter.value().first);
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}
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return result;
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}
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/**
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* @brief Creates list of command-line arguments required for correct parsing
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* @param pPart Null if file isn't part of any project
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* @param fileName Path to file, non-empty
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*/
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QStringList createClangOptions(const ProjectPart::Ptr &pPart, const QString &fileName)
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{
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ProjectFile::Kind fileKind = ProjectFile::Unclassified;
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if (!pPart.isNull())
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foreach (const ProjectFile &file, pPart->files)
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if (file.path == fileName) {
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fileKind = file.kind;
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break;
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}
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if (fileKind == ProjectFile::Unclassified)
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fileKind = ProjectFile::classify(fileName);
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return createClangOptions(pPart, fileKind);
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}
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static QStringList buildDefines(const QByteArray &defines, bool toolchainDefines)
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{
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QStringList result;
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foreach (QByteArray def, defines.split('\n')) {
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if (def.isEmpty())
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continue;
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if (toolchainDefines) {
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//### FIXME: the next 3 check shouldn't be needed: we probably don't want to get the compiler-defined defines in.
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if (!def.startsWith("#define "))
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continue;
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if (def.startsWith("#define _"))
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continue;
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if (def.startsWith("#define OBJC_NEW_PROPERTIES"))
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continue;
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}
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QByteArray str = def.mid(8);
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int spaceIdx = str.indexOf(' ');
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QString arg;
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if (spaceIdx != -1) {
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arg = QLatin1String("-D" + str.left(spaceIdx) + "=" + str.mid(spaceIdx + 1));
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} else {
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arg = QLatin1String("-D" + str);
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}
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arg = arg.replace(QLatin1String("\\\""), QLatin1String("\""));
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arg = arg.replace(QLatin1String("\""), QLatin1String(""));
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if (!result.contains(arg))
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result.append(arg);
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}
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return result;
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}
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/**
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* @brief Creates list of command-line arguments required for correct parsing
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* @param pPart Null if file isn't part of any project
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* @param fileKind Determines language and source/header state
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*/
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QStringList createClangOptions(const ProjectPart::Ptr &pPart, ProjectFile::Kind fileKind)
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{
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QStringList result = clangLanguageOption(fileKind);
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switch (fileKind) {
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default:
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case CppTools::ProjectFile::CXXHeader:
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case CppTools::ProjectFile::CXXSource:
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case CppTools::ProjectFile::ObjCXXHeader:
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case CppTools::ProjectFile::ObjCXXSource:
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case CppTools::ProjectFile::CudaSource:
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case CppTools::ProjectFile::OpenCLSource:
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result << clangOptionsForCxx(pPart->qtVersion,
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pPart->cxxVersion,
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pPart->cxxExtensions);
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break;
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case CppTools::ProjectFile::CHeader:
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case CppTools::ProjectFile::CSource:
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case CppTools::ProjectFile::ObjCHeader:
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case CppTools::ProjectFile::ObjCSource:
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result << clangOptionsForC(pPart->cVersion,
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pPart->cxxExtensions);
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break;
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}
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if (pPart.isNull())
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return result;
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result << QLatin1String("-nostdinc");
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result << buildDefines(pPart->toolchainDefines, true);
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result << buildDefines(pPart->projectDefines, false);
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foreach (const QString &frameworkPath, pPart->frameworkPaths)
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result.append(QLatin1String("-F") + frameworkPath);
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foreach (const QString &inc, pPart->includePaths)
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if (!inc.isEmpty() && !isBlacklisted(inc))
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result << (QLatin1String("-I") + inc);
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#if 0
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qDebug() << "--- m_args:";
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foreach (const QString &arg, result)
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qDebug() << "\t" << qPrintable(arg);
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qDebug() << "---";
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#endif
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return result;
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}
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/// @return Option to speed up parsing with precompiled header
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QStringList createPCHInclusionOptions(const QStringList &pchFiles)
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{
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QStringList opts;
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foreach (const QString &pchFile, pchFiles) {
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if (QFile(pchFile).exists()) {
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opts += QLatin1String("-include-pch");
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opts += pchFile;
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}
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}
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return opts;
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}
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/// @return Option to speed up parsing with precompiled header
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QStringList createPCHInclusionOptions(const QString &pchFile)
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{
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return createPCHInclusionOptions(QStringList() << pchFile);
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}
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/// @return "-std" flag to select standard, flags for C extensions
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QStringList clangOptionsForC(ProjectPart::CVersion cVersion, ProjectPart::CXXExtensions cxxExtensions)
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{
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QStringList opts;
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bool gnuExpensions = cxxExtensions & ProjectPart::GnuExtensions;
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switch (cVersion) {
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case ProjectPart::C89:
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opts << (gnuExpensions ? QLatin1String("-std=gnu89") : QLatin1String("-std=c89"));
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break;
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case ProjectPart::C99:
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opts << (gnuExpensions ? QLatin1String("-std=gnu99") : QLatin1String("-std=c99"));
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break;
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case ProjectPart::C11:
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opts << (gnuExpensions ? QLatin1String("-std=gnu11") : QLatin1String("-std=c11"));
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break;
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}
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if (cxxExtensions & ProjectPart::MicrosoftExtensions) {
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opts << QLatin1String("-fms-extensions");
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}
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#if defined(CINDEX_VERSION) // clang 3.2 or higher
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if (cxxExtensions & ProjectPart::BorlandExtensions)
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opts << QLatin1String("-fborland-extensions");
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#endif
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return opts;
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}
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/// @return "-std" flag to select standard, flags for C++ extensions, Qt injections
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QStringList clangOptionsForCxx(ProjectPart::QtVersion qtVersion,
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ProjectPart::CXXVersion cxxVersion,
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ProjectPart::CXXExtensions cxxExtensions)
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{
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QStringList opts;
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bool gnuExpensions = cxxExtensions & ProjectPart::GnuExtensions;
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switch (cxxVersion) {
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case ProjectPart::CXX11:
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opts << (gnuExpensions ? QLatin1String("-std=gnu++11") : QLatin1String("-std=c++11"));
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break;
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case ProjectPart::CXX98:
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opts << (gnuExpensions ? QLatin1String("-std=gnu++98") : QLatin1String("-std=c++98"));
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break;
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}
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if (cxxExtensions & ProjectPart::MicrosoftExtensions) {
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opts << QLatin1String("-fms-extensions")
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<< QLatin1String("-fdelayed-template-parsing");
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}
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#if defined(CINDEX_VERSION) // clang 3.2 or higher
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if (cxxExtensions & ProjectPart::BorlandExtensions)
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opts << QLatin1String("-fborland-extensions");
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#endif
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static const QString injectedHeader(Core::ICore::instance()->resourcePath() + QLatin1String("/cplusplus/qt%1-qobjectdefs-injected.h"));
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// if (qtVersion == ProjectPart::Qt4)
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// opts << QLatin1String("-include") << injectedHeader.arg(QLatin1Char('4'));
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if (qtVersion == ProjectPart::Qt5)
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opts << QLatin1String("-include") << injectedHeader.arg(QLatin1Char('5'));
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return opts;
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}
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/// @return "-x language-code"
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QStringList clangLanguageOption(ProjectFile::Kind fileKind)
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{
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QStringList opts;
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opts += QLatin1String("-x");
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switch (fileKind) {
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case ProjectFile::CHeader:
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// opts += QLatin1String("c-header");
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// break;
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case ProjectFile::CXXHeader:
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default:
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opts += QLatin1String("c++-header");
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break;
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case ProjectFile::CXXSource:
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opts += QLatin1String("c++");
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break;
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case ProjectFile::CSource:
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opts += QLatin1String("c");
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break;
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case ProjectFile::ObjCHeader:
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// opts += QLatin1String("objective-c-header");
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// break;
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case ProjectFile::ObjCXXHeader:
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opts += QLatin1String("objective-c++-header");
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break;
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case ProjectFile::ObjCSource:
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opts += QLatin1String("objective-c");
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break;
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case ProjectFile::ObjCXXSource:
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opts += QLatin1String("objective-c++");
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break;
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case ProjectFile::OpenCLSource:
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opts += QLatin1String("cl");
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break;
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case ProjectFile::CudaSource:
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opts += QLatin1String("cuda");
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break;
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}
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return opts;
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}
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} // namespace Utils
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} // namespace Clang
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