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
208
src/plugins/clangcodemodel/clangcompleter.cpp
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208
src/plugins/clangcodemodel/clangcompleter.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 "clangcompleter.h"
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#include "sourcemarker.h"
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#include "unsavedfiledata.h"
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#include "utils_p.h"
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#include "completionproposalsbuilder.h"
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#include "raii/scopedclangoptions.h"
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#include "unit.h"
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#include <QDebug>
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#include <QFile>
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#include <QMutex>
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#include <QMutexLocker>
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#include <QTime>
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#include <clang-c/Index.h>
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//#define TIME_COMPLETION
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class ClangCodeModel::ClangCompleter::PrivateData
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{
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public:
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PrivateData()
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: m_mutex(QMutex::Recursive)
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, m_isSignalSlotCompletion(false)
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{
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}
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~PrivateData()
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{
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}
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bool parseFromFile(const Internal::UnsavedFiles &unsavedFiles)
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{
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Q_ASSERT(!m_unit.isLoaded());
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if (m_unit.fileName().isEmpty())
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return false;
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unsigned opts = clang_defaultEditingTranslationUnitOptions();
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#if defined(CINDEX_VERSION) && (CINDEX_VERSION > 5)
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opts |= CXTranslationUnit_CacheCompletionResults;
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opts |= CXTranslationUnit_IncludeBriefCommentsInCodeCompletion;
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#endif
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m_unit.setManagementOptions(opts);
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m_unit.setUnsavedFiles(unsavedFiles);
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m_unit.parse();
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return m_unit.isLoaded();
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}
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public:
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QMutex m_mutex;
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Internal::Unit m_unit;
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bool m_isSignalSlotCompletion;
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};
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using namespace ClangCodeModel;
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using namespace ClangCodeModel::Internal;
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/**
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* @brief Constructs with highest possible priority
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*/
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CodeCompletionResult::CodeCompletionResult()
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: m_priority(SHRT_MAX)
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, m_completionKind(Other)
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, m_availability(Available)
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, m_hasParameters(false)
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{}
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/**
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* @brief Constructs with given priority
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* @param priority Will be reversed, because clang's highest priority is 0,
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* but inside QtCreator it is the lowest priority
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*/
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CodeCompletionResult::CodeCompletionResult(unsigned priority)
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: m_priority(SHRT_MAX - priority)
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, m_completionKind(Other)
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, m_availability(Available)
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, m_hasParameters(false)
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{
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}
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ClangCompleter::ClangCompleter()
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: d(new PrivateData)
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{
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}
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ClangCompleter::~ClangCompleter()
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{
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}
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QString ClangCompleter::fileName() const
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{
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return d->m_unit.fileName();
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}
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void ClangCompleter::setFileName(const QString &fileName)
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{
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if (d->m_unit.fileName() != fileName) {
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d->m_unit = Internal::Unit(fileName);
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}
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}
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QStringList ClangCompleter::options() const
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{
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return d->m_unit.compilationOptions();
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}
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void ClangCompleter::setOptions(const QStringList &options) const
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{
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if (d->m_unit.compilationOptions() != options) {
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d->m_unit.setCompilationOptions(options);
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d->m_unit.unload();
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}
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}
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bool ClangCompleter::isSignalSlotCompletion() const
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{
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return d->m_isSignalSlotCompletion;
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}
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void ClangCompleter::setSignalSlotCompletion(bool isSignalSlot)
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{
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d->m_isSignalSlotCompletion = isSignalSlot;
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}
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bool ClangCompleter::reparse(const UnsavedFiles &unsavedFiles)
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{
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if (!d->m_unit.isLoaded())
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return d->parseFromFile(unsavedFiles);
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d->m_unit.setUnsavedFiles(unsavedFiles);
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d->m_unit.reparse();
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return d->m_unit.isLoaded();
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}
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QList<CodeCompletionResult> ClangCompleter::codeCompleteAt(unsigned line,
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unsigned column,
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const UnsavedFiles &unsavedFiles)
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{
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#ifdef TIME_COMPLETION
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QTime t;t.start();
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#endif // TIME_COMPLETION
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if (!d->m_unit.isLoaded())
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if (!d->parseFromFile(unsavedFiles))
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return QList<CodeCompletionResult>();
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ScopedCXCodeCompleteResults results;
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d->m_unit.setUnsavedFiles(unsavedFiles);
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d->m_unit.codeCompleteAt(line, column, results);
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QList<CodeCompletionResult> completions;
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if (results) {
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const quint64 contexts = clang_codeCompleteGetContexts(results);
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CompletionProposalsBuilder builder(completions, contexts, d->m_isSignalSlotCompletion);
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for (unsigned i = 0; i < results.size(); ++i)
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builder(results.completionAt(i));
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}
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#ifdef TIME_COMPLETION
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qDebug() << "Completion timing:" << completions.size() << "results in" << t.elapsed() << "ms.";
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#endif // TIME_COMPLETION
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return completions;
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}
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bool ClangCompleter::objcEnabled() const
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{
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static const QString objcppOption = QLatin1String("-ObjC++");
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static const QString objcOption = QLatin1String("-ObjC");
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QStringList options = d->m_unit.compilationOptions();
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return options.contains(objcOption) || options.contains(objcppOption);
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}
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QMutex *ClangCompleter::mutex() const
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{
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return &d->m_mutex;
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}
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