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>

1 files changed, 169 insertions, 0 deletions

diff --git a/src/plugins/clangcodemodel/clangindexer.cpp b/src/plugins/clangcodemodel/clangindexer.cpp
new file mode 100644
index 0000000000..9c9e6ca4cf
--- /dev/null
+++ b/src/plugins/clangcodemodel/clangindexer.cpp
@@ -0,0 +1,169 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include "clangindexer.h"
+#include "clangsymbolsearcher.h"
+#include "clangutils.h"
+#include "indexer.h"
+#include "liveunitsmanager.h"
+
+#include <coreplugin/icore.h>
+#include <coreplugin/progressmanager/progressmanager.h>
+#include <cpptools/cppmodelmanagerinterface.h>
+#include <projectexplorer/projectexplorer.h>
+#include <projectexplorer/session.h>
+
+#include <QDir>
+
+using namespace ClangCodeModel;
+using namespace ClangCodeModel::Internal;
+
+ClangIndexingSupport::ClangIndexingSupport(ClangIndexer *indexer)
+    : m_indexer(indexer)
+{
+}
+
+ClangIndexingSupport::~ClangIndexingSupport()
+{
+}
+
+QFuture<void> ClangIndexingSupport::refreshSourceFiles(const QStringList &sourceFiles)
+{
+    return m_indexer->refreshSourceFiles(sourceFiles);
+}
+
+CppTools::SymbolSearcher *ClangIndexingSupport::createSymbolSearcher(CppTools::SymbolSearcher::Parameters parameters, QSet<QString> fileNames)
+{
+    return new ClangSymbolSearcher(m_indexer, parameters, fileNames);
+}
+
+ClangIndexer::ClangIndexer()
+    : QObject(0)
+    , m_indexingSupport(new ClangIndexingSupport(this))
+    , m_isLoadingSession(false)
+    , m_clangIndexer(new Indexer(this))
+{
+    connect(m_clangIndexer, SIGNAL(indexingStarted(QFuture<void>)),
+            this, SLOT(onIndexingStarted(QFuture<void>)));
+
+    ProjectExplorer::ProjectExplorerPlugin *pe =
+       ProjectExplorer::ProjectExplorerPlugin::instance();
+
+    ProjectExplorer::SessionManager *session = pe->session();
+    connect(session, SIGNAL(aboutToLoadSession(QString)),
+            this, SLOT(onAboutToLoadSession(QString)));
+    connect(session, SIGNAL(sessionLoaded(QString)),
+            this, SLOT(onSessionLoaded(QString)));
+    connect(session, SIGNAL(aboutToSaveSession()),
+            this, SLOT(onAboutToSaveSession()));
+}
+
+ClangIndexer::~ClangIndexer()
+{
+    m_clangIndexer->cancel(true);
+}
+
+CppTools::CppIndexingSupport *ClangIndexer::indexingSupport()
+{
+    return m_indexingSupport.data();
+}
+
+QFuture<void> ClangIndexer::refreshSourceFiles(const QStringList &sourceFiles)
+{
+    typedef CppTools::ProjectPart ProjectPart;
+    CppTools::CppModelManagerInterface *mmi = CppTools::CppModelManagerInterface::instance();
+    LiveUnitsManager *lum = LiveUnitsManager::instance();
+
+    if (m_clangIndexer->isBusy())
+        m_clangIndexer->cancel(true);
+
+    foreach (const QString &file, sourceFiles) {
+        if (lum->isTracking(file))
+            continue; // we get notified separately about open files.
+        const QList<ProjectPart::Ptr> &parts = mmi->projectPart(file);
+        if (!parts.isEmpty())
+            m_clangIndexer->addFile(file, parts.at(0));
+        else
+            m_clangIndexer->addFile(file, ProjectPart::Ptr());
+    }
+
+    if (!m_isLoadingSession)
+        m_clangIndexer->regenerate();
+
+    return QFuture<void>();
+}
+
+void ClangIndexer::match(ClangSymbolSearcher *searcher) const
+{
+    m_clangIndexer->match(searcher);
+}
+
+void ClangIndexer::onAboutToLoadSession(const QString &sessionName)
+{
+    m_isLoadingSession = true;
+
+    if (sessionName == QLatin1String("default"))
+        return;
+
+    QString path = Core::ICore::instance()->userResourcePath() + QLatin1String("/codemodel/");
+    if (QFile::exists(path) || QDir().mkpath(path))
+        m_clangIndexer->initialize(path + sessionName + QLatin1String(".qci"));
+}
+
+void ClangIndexer::onSessionLoaded(QString)
+{
+    m_isLoadingSession = false;
+    m_clangIndexer->regenerate();
+}
+
+void ClangIndexer::onAboutToSaveSession()
+{
+    m_clangIndexer->finalize();
+}
+
+void ClangIndexer::indexNow(const ClangCodeModel::Internal::Unit &unit)
+{
+    typedef CppTools::ProjectPart ProjectPart;
+
+    QString file = unit.fileName();
+    CppTools::CppModelManagerInterface *mmi = CppTools::CppModelManagerInterface::instance();
+    const QList<ProjectPart::Ptr> &parts = mmi->projectPart(file);
+    ProjectPart::Ptr part;
+    if (!parts.isEmpty())
+        part = parts.at(0);
+    if (!m_isLoadingSession)
+        m_clangIndexer->runQuickIndexing(unit, part);
+}
+
+void ClangIndexer::onIndexingStarted(QFuture<void> indexingFuture)
+{
+    Core::ICore::instance()->progressManager()->addTask(indexingFuture,
+                                                        tr("C++ Indexing"),
+                                                        QLatin1String("Key.Temp.Indexing"));
+}