forked from qt-creator/qt-creator
1754dbf6ff
Change-Id: I1d2d898e5ab197eb3e5c95e82b6668a00affce7d Reviewed-by: Alessandro Portale <alessandro.portale@digia.com>
377 lines
12 KiB
C++
377 lines
12 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2014 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://www.qt.io/licensing. For further information
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** use the contact form at http://www.qt.io/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 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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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, 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 <cpptools/cppworkingcopy.h>
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#include <QDir>
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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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static const bool BeVerbose = qgetenv("QTC_CLANG_VERBOSE") == "1";
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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(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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QStringList createHeaderPathOptions(const QList<ProjectPart::HeaderPath> &headerPaths)
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{
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typedef ProjectPart::HeaderPath HeaderPath;
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QStringList result;
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foreach (const HeaderPath &headerPath , headerPaths) {
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if (headerPath.path.isEmpty() || isBlacklisted(headerPath.path))
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continue;
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QString prefix;
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switch (headerPath.type) {
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case HeaderPath::FrameworkPath:
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prefix = QLatin1String("-F");
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break;
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default: // This shouldn't happen, but let's be nice..:
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// intentional fall-through:
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case HeaderPath::IncludePath:
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prefix = QLatin1String("-I");
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break;
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}
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result.append(prefix + headerPath.path);
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}
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return result;
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}
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QStringList createDefineOptions(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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// This is a quick fix for QTCREATORBUG-11501.
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// TODO: do a proper fix, see QTCREATORBUG-11709.
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if (def.startsWith("#define __cplusplus"))
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continue;
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// TODO: verify if we can pass compiler-defined macros when also passing -undef.
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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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QStringList definesAndHeaderPathsOptions(const ProjectPart::Ptr &pPart)
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{
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QStringList result;
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result << createDefineOptions(pPart->toolchainDefines, false);
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result << createDefineOptions(pPart->projectDefines, false);
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result << createHeaderPathOptions(pPart->headerPaths);
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return result;
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}
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static QString getResourceDir()
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{
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QDir dir(Core::ICore::instance()->resourcePath() + QLatin1String("/cplusplus/clang/") +
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QLatin1String(CLANG_VERSION) + QLatin1String("/include"));
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if (!dir.exists() || !QFileInfo(dir, QLatin1String("stdint.h")).exists())
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dir = QDir(QLatin1String(CLANG_RESOURCE_DIR));
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return dir.canonicalPath();
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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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const bool objcExt = pPart->languageExtensions & ProjectPart::ObjectiveCExtensions;
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QStringList result = clangLanguageOption(fileKind, objcExt);
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result << clangOptionsForLanguage(pPart->qtVersion,
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pPart->languageVersion,
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pPart->languageExtensions);
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if (pPart.isNull())
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return result;
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static const QString resourceDir = getResourceDir();
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if (BeVerbose)
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result << QLatin1String("-v");
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if (!resourceDir.isEmpty()) {
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result << QLatin1String("-nostdlibinc");
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result << (QLatin1String("-I") + resourceDir);
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result << QLatin1String("-undef");
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}
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result << QLatin1String("-fmessage-length=0");
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result << QLatin1String("-fdiagnostics-show-note-include-stack");
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result << QLatin1String("-fmacro-backtrace-limit=0");
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result << QLatin1String("-fretain-comments-from-system-headers");
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// TODO: -Xclang -ferror-limit -Xclang 0 ?
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if (!pPart->projectConfigFile.isEmpty())
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result << QLatin1String("-include") << pPart->projectConfigFile;
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result << createDefineOptions(pPart->toolchainDefines, false);
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result << createDefineOptions(pPart->projectDefines, false);
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result << createHeaderPathOptions(pPart->headerPaths);
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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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/// @return "-std" flag to select standard, flags for C++ extensions, Qt injections
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QStringList clangOptionsForLanguage(CppTools::ProjectPart::QtVersion qtVersion,
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CppTools::ProjectPart::LanguageVersion languageVersion,
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ProjectPart::LanguageExtensions languageExtensions)
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{
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QStringList opts;
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bool gnuExtensions = languageExtensions & ProjectPart::GnuExtensions;
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switch (languageVersion) {
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case ProjectPart::C89:
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opts << (gnuExtensions ? QLatin1String("-std=gnu89") : QLatin1String("-std=c89"));
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break;
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case ProjectPart::C99:
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opts << (gnuExtensions ? QLatin1String("-std=gnu99") : QLatin1String("-std=c99"));
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break;
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case ProjectPart::C11:
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opts << (gnuExtensions ? QLatin1String("-std=gnu11") : QLatin1String("-std=c11"));
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break;
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case ProjectPart::CXX11:
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opts << (gnuExtensions ? 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 << (gnuExtensions ? QLatin1String("-std=gnu++98") : QLatin1String("-std=c++98"));
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break;
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case ProjectPart::CXX03:
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opts << QLatin1String("-std=c++03");
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break;
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case ProjectPart::CXX14:
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opts << QLatin1String("-std=c++1y"); // TODO: change to c++14 after 3.5
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break;
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case ProjectPart::CXX17:
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opts << QLatin1String("-std=c++1z"); // TODO: change to c++17 at some point in the future
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break;
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}
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if (languageExtensions & ProjectPart::MicrosoftExtensions)
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opts << QLatin1String("-fms-extensions");
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#if defined(CINDEX_VERSION) // clang 3.2 or higher
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if (languageExtensions & 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, bool objcExt)
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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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if (objcExt)
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opts += QLatin1String("objective-c-header");
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else
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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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if (!objcExt) {
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opts += QLatin1String("c++-header");
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break;
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} // else: fall-through!
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case ProjectFile::ObjCHeader:
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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::CSource:
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if (!objcExt) {
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opts += QLatin1String("c");
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break;
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} // else: fall-through!
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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::CXXSource:
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if (!objcExt) {
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opts += QLatin1String("c++");
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break;
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} // else: fall-through!
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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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