Clang: Add clang refactoring

Change-Id: I2e3f36f810276da3f8dc7dcc587b06f8edb586d3
GPush-Base: d02f51b48fc752fddcdef6dcb32b3f7f6c0195a3
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/libs/clangbackendipc/clangbackendipc-lib.pri

@@ -44,11 +44,20 @@ SOURCES += $$PWD/clangcodemodelserverinterface.cpp \
     $$PWD/updatetranslationunitsforeditormessage.cpp \
     $$PWD/updatevisibletranslationunitsmessage.cpp \
     $$PWD/highlightingmarkcontainer.cpp \
+    $$PWD/refactoringclientinterface.cpp \
     $$PWD/messageenvelop.cpp \
+    $$PWD/refactoringserverinterface.cpp \
+    $$PWD/refactoringserverproxy.cpp \
     $$PWD/ipcclientinterface.cpp \
     $$PWD/ipcserverinterface.cpp \
     $$PWD/clangcodemodelconnectionclient.cpp \
-    $$PWD/documentannotationschangedmessage.cpp
+    $$PWD/documentannotationschangedmessage.cpp \
+    $$PWD/refactoringclientproxy.cpp \
+    $$PWD/sourcelocationscontainer.cpp \
+    $$PWD/sourcelocationcontainerv2.cpp \
+    $$PWD/sourcelocationsforrenamingmessage.cpp \
+    $$PWD/requestsourcelocationforrenamingmessage.cpp \
+    $$PWD/filepath.cpp
 
 HEADERS += \
     $$PWD/clangcodemodelserverinterface.h \
@@ -92,6 +101,15 @@ HEADERS += \
     $$PWD/ipcclientinterface.h \
     $$PWD/ipcserverinterface.h \
     $$PWD/clangcodemodelconnectionclient.h \
-    $$PWD/documentannotationschangedmessage.h
+    $$PWD/documentannotationschangedmessage.h \
+    $$PWD/refactoringclientinterface.h \
+    $$PWD/refactoringserverinterface.h \
+    $$PWD/refactoringserverproxy.h \
+    $$PWD/refactoringclientproxy.h \
+    $$PWD/sourcelocationscontainer.h \
+    $$PWD/sourcelocationcontainerv2.h \
+    $$PWD/sourcelocationsforrenamingmessage.h \
+    $$PWD/requestsourcelocationforrenamingmessage.h \
+    $$PWD/filepath.h
 
 contains(QT_CONFIG, reduce_exports):CONFIG += hide_symbols

src/libs/clangbackendipc/clangbackendipc_global.h

@@ -106,7 +106,10 @@ enum class MessageType : quint8 {
     CodeCompletedMessage,
 
     TranslationUnitDoesNotExistMessage,
-    ProjectPartsDoNotExistMessage
+    ProjectPartsDoNotExistMessage,
+
+    SourceLocationsForRenamingMessage,
+    RequestSourceLocationsForRenamingMessage
 };
 
 template<MessageType messageEnumeration>

src/libs/clangbackendipc/clangcodemodelconnectionclient.cpp

@@ -25,14 +25,26 @@
 
 #include "clangcodemodelconnectionclient.h"
 
+#include <QCoreApplication>
+#include <QTemporaryDir>
+
 namespace ClangBackEnd {
 
+namespace {
+
+QString currentProcessId()
+{
+    return QString::number(QCoreApplication::applicationPid());
+}
+
+}
 
 ClangCodeModelConnectionClient::ClangCodeModelConnectionClient(
         ClangCodeModelClientInterface *client)
     : serverProxy_(client, ioDevice())
 {
-
+    stdErrPrefixer().setPrefix("ClangCodeModelConnectionClient.error:");
+    stdOutPrefixer().setPrefix("ClangCodeModelConnectionClient.out:");
 }
 
 ClangCodeModelConnectionClient::~ClangCodeModelConnectionClient()
@@ -55,4 +67,14 @@ void ClangCodeModelConnectionClient::resetCounter()
     serverProxy_.resetCounter();
 }
 
+QString ClangCodeModelConnectionClient::connectionName() const
+{
+    return temporaryDirectory().path() + QStringLiteral("/ClangBackEnd-") + currentProcessId();
+}
+
+QString ClangCodeModelConnectionClient::outputName() const
+{
+    return QStringLiteral("ClangCodeModelConnectionClient");
+}
+
 } // namespace ClangBackEnd

src/libs/clangbackendipc/clangcodemodelconnectionclient.h

@@ -41,6 +41,8 @@ public:
 protected:
     void sendEndCommand() override;
     void resetCounter() override;
+    QString connectionName() const override;
+    QString outputName() const override;
 
 private:
     ClangCodeModelServerProxy serverProxy_;

src/libs/clangbackendipc/connectionclient.cpp

@@ -38,25 +38,6 @@
 
 namespace ClangBackEnd {
 
-namespace {
-const QTemporaryDir &temporaryDirectory()
-{
-    static QTemporaryDir temporaryDirectory(QDir::tempPath() + QStringLiteral("/qtc-clang-XXXXXX"));
-
-    return temporaryDirectory;
-}
-
-QString currentProcessId()
-{
-    return QString::number(QCoreApplication::applicationPid());
-}
-
-QString connectionName()
-{
-    return temporaryDirectory().path() + QStringLiteral("/ClangBackEnd-") + currentProcessId();
-}
-}
-
 ConnectionClient::ConnectionClient()
 {
     processAliveTimer.setInterval(10000);
@@ -72,7 +53,7 @@ ConnectionClient::ConnectionClient()
 
 void ConnectionClient::startProcessAndConnectToServerAsynchronously()
 {
-    process_  = startProcess();
+    process_ = startProcess();
 }
 
 bool ConnectionClient::disconnectFromServer()
@@ -127,6 +108,23 @@ QProcessEnvironment ConnectionClient::processEnvironment() const
     return processEnvironment;
 }
 
+const QTemporaryDir &ConnectionClient::temporaryDirectory() const
+{
+    static QTemporaryDir temporaryDirectory(QDir::tempPath() + QStringLiteral("/qtc-clang-XXXXXX"));
+
+    return temporaryDirectory;
+}
+
+LinePrefixer &ConnectionClient::stdErrPrefixer()
+{
+    return stdErrPrefixer_;
+}
+
+LinePrefixer &ConnectionClient::stdOutPrefixer()
+{
+    return stdOutPrefixer_;
+}
+
 std::unique_ptr<QProcess> ConnectionClient::startProcess()
 {
     processIsStarting = true;
@@ -207,17 +205,17 @@ void ConnectionClient::resetProcessIsStarting()
 void ConnectionClient::printLocalSocketError(QLocalSocket::LocalSocketError socketError)
 {
     if (socketError != QLocalSocket::ServerNotFoundError)
-        qWarning() << "ClangCodeModel ConnectionClient LocalSocket Error:" << localSocket.errorString();
+        qWarning() << outputName() << "LocalSocket Error:" << localSocket.errorString();
 }
 
 void ConnectionClient::printStandardOutput()
 {
-    qDebug("%s", stdOutPrefixer.prefix(process_->readAllStandardOutput()).constData());
+    qDebug("%s", stdOutPrefixer_.prefix(process_->readAllStandardOutput()).constData());
 }
 
 void ConnectionClient::printStandardError()
 {
-    qDebug("%s", stdErrPrefixer.prefix(process_->readAllStandardError()).constData());
+    qDebug("%s", stdErrPrefixer_.prefix(process_->readAllStandardError()).constData());
 }
 
 void ConnectionClient::connectLocalSocketConnected()
@@ -240,8 +238,6 @@ void ConnectionClient::finishProcess()
 
 void ConnectionClient::finishProcess(std::unique_ptr<QProcess> &&process)
 {
-    TIME_SCOPE_DURATION("ConnectionClient::finishProcess");
-
     if (process) {
         processAliveTimer.stop();
 
@@ -251,7 +247,7 @@ void ConnectionClient::finishProcess(std::unique_ptr<QProcess> &&process)
         terminateProcess(process.get());
         killProcess(process.get());
 
-    resetCounter();
+        resetCounter();
     }
 }
 
@@ -274,7 +270,7 @@ bool ConnectionClient::waitForConnected()
         }
     }
 
-    qWarning() << "Cannot connect:" << localSocket.errorString();
+    qWarning() << outputName() << "cannot connect:" << localSocket.errorString();
 
     return isConnected;
 }

src/libs/clangbackendipc/connectionclient.h

@@ -35,6 +35,7 @@
 
 QT_BEGIN_NAMESPACE
 class QProcess;
+class QTemporaryDir;
 QT_END_NAMESPACE
 
 class Utf8String;
@@ -79,9 +80,14 @@ signals:
 
 protected:
     QIODevice *ioDevice();
+    const QTemporaryDir &temporaryDirectory() const;
+    LinePrefixer &stdErrPrefixer();
+    LinePrefixer &stdOutPrefixer();
 
     virtual void sendEndCommand() = 0;
     virtual void resetCounter() = 0;
+    virtual QString connectionName() const = 0;
+    virtual QString outputName() const = 0;
 
 private:
     std::unique_ptr<QProcess> startProcess();
@@ -108,6 +114,9 @@ private:
     QProcessEnvironment processEnvironment() const;
 
 private:
+    LinePrefixer stdErrPrefixer_;
+    LinePrefixer stdOutPrefixer_;
+
     mutable std::unique_ptr<QProcess> process_;
     QLocalSocket localSocket;
     QTimer processAliveTimer;
@@ -115,8 +124,6 @@ private:
     bool isAliveTimerResetted = false;
     bool processIsStarting = false;
 
-    LinePrefixer stdErrPrefixer = QByteArrayLiteral("clangbackend.stderr: ");
-    LinePrefixer stdOutPrefixer = QByteArrayLiteral("clangbackend.stdout: ");
 };
 
 } // namespace ClangBackEnd

src/libs/clangbackendipc/connectionserver.h

@@ -83,7 +83,7 @@ public:
         localServer.listen(ConnectionName::connectionName);
     }
 
-    void setClangCodeModelServer(ServerInterface *ipcServer)
+    void setServer(ServerInterface *ipcServer)
     {
         this->ipcServer = ipcServer;
 

src/libs/clangbackendipc/filecontainer.h

@@ -25,7 +25,7 @@
 
 #pragma once
 
-#include <clangbackendipc_global.h>
+#include "clangbackendipc_global.h"
 
 #include <utf8string.h>
 #include <utf8stringvector.h>

src/libs/clangbackendipc/filepath.cpp

+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#include "filepath.h"
+
+namespace ClangBackEnd {
+
+QDebug operator<<(QDebug debug, const FilePath &filePath)
+{
+    debug.nospace() << filePath.directory() << "/" << filePath.name();
+
+    return debug;
+}
+
+void PrintTo(const FilePath &filePath, ::std::ostream* os)
+{
+    *os << filePath.directory() << "/" << filePath.name();
+}
+
+} // namespace ClangBackEnd

src/libs/clangbackendipc/filepath.h

+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#pragma once
+
+#include "clangbackendipc_global.h"
+
+#include <utils/smallstring.h>
+
+namespace ClangBackEnd {
+
+struct FilePath
+{
+public:
+    FilePath() = default;
+    FilePath(Utils::SmallString &&directory, Utils::SmallString &&name)
+        : directory_(std::move(directory)),
+          name_(std::move(name))
+    {}
+
+    const Utils::SmallString &directory() const
+    {
+        return directory_;
+    }
+
+    const Utils::SmallString &name() const
+    {
+        return name_;
+    }
+
+    friend QDataStream &operator<<(QDataStream &out, const FilePath &filePath)
+    {
+        out << filePath.directory_;
+        out << filePath.name_;
+
+        return out;
+    }
+
+    friend QDataStream &operator>>(QDataStream &in, FilePath &filePath)
+    {
+        in >> filePath.directory_;
+        in >> filePath.name_;
+
+        return in;
+    }
+
+    friend bool operator==(const FilePath &first, const FilePath &second)
+    {
+        return first.directory_ == second.directory_
+                && first.name_ == second.name_;
+    }
+
+    FilePath clone() const
+    {
+        return FilePath(directory_.clone(), name_.clone());
+    }
+
+private:
+    Utils::SmallString directory_;
+    Utils::SmallString name_;
+};
+
+CMBIPC_EXPORT QDebug operator<<(QDebug debug, const FilePath &filePath);
+void PrintTo(const FilePath &filePath, ::std::ostream* os);
+
+} // namespace ClangBackEnd

src/libs/clangbackendipc/lineprefixer.cpp

@@ -28,10 +28,15 @@
 namespace ClangBackEnd {
 
 LinePrefixer::LinePrefixer(const QByteArray &prefix)
-    : m_prefix(prefix)
-    , m_previousIsEndingWithNewLine(true)
+    : m_prefix(prefix),
+      m_previousIsEndingWithNewLine(true)
 {}
 
+void LinePrefixer::setPrefix(const QByteArray &prefix)
+{
+    m_prefix = prefix;
+}
+
 QByteArray LinePrefixer::prefix(const QByteArray &text)
 {
     QByteArray output = text;

src/libs/clangbackendipc/lineprefixer.h

@@ -25,17 +25,20 @@
 
 #pragma once
 
+#include "clangbackendipc_global.h"
+
 #include <QString>
 #include <QTextStream>
 #include <utf8string.h>
 
 namespace ClangBackEnd {
 
-class LinePrefixer
+class CMBIPC_EXPORT LinePrefixer
 {
 public:
-    LinePrefixer() = delete;
-    LinePrefixer(const QByteArray &m_prefix);
+    LinePrefixer() = default;
+    LinePrefixer(const QByteArray &prefix);
+    void setPrefix(const QByteArray &prefix);
     QByteArray prefix(const QByteArray &text);
 
 private:

src/libs/clangbackendipc/projectpartcontainer.h

@@ -25,7 +25,7 @@
 
 #pragma once
 
-#include <clangbackendipc_global.h>
+#include "clangbackendipc_global.h"
 
 #include <utf8stringvector.h>
 

src/libs/clangbackendipc/refactoringclientinterface.cpp

+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#include "refactoringclientinterface.h"
+
+#include "messageenvelop.h"
+#include "sourcelocationsforrenamingmessage.h"
+
+#include <QDebug>
+
+namespace ClangBackEnd {
+
+void RefactoringClientInterface::dispatch(const MessageEnvelop &messageEnvelop)
+{
+    switch (messageEnvelop.messageType()) {
+        case MessageType::AliveMessage:
+            alive();
+            break;
+        case MessageType::SourceLocationsForRenamingMessage:
+            sourceLocationsForRenamingMessage(messageEnvelop.message<SourceLocationsForRenamingMessage>());
+            break;
+        default:
+            qWarning() << "Unknown IpcClientMessage";
+    }
+}
+
+} // namespace ClangBackEnd

src/libs/clangbackendipc/refactoringclientinterface.h

+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#pragma once
+
+#include "ipcclientinterface.h"
+
+#include <functional>
+
+namespace ClangBackEnd {
+
+class SourceLocationsForRenamingMessage;
+class SourceLocationsContainer;
+
+class CMBIPC_EXPORT RefactoringClientInterface : public IpcClientInterface
+{
+public:
+    using RenameCallback = std::function<void(const QString &,
+                                              const SourceLocationsContainer &,
+                                              int)>;
+
+    void dispatch(const MessageEnvelop &messageEnvelop) override;
+
+    virtual void alive() = 0;
+    virtual void sourceLocationsForRenamingMessage(SourceLocationsForRenamingMessage &&message) = 0;
+
+    virtual void setLocalRenamingCallback(RenameCallback &&localRenamingCallback) = 0;
+};
+
+} // namespace ClangBackEnd

src/libs/clangbackendipc/refactoringclientproxy.cpp

+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#include "refactoringclientproxy.h"
+
+#include "cmbalivemessage.h"
+#include "messageenvelop.h"
+#include "refactoringserverinterface.h"
+#include "sourcelocationsforrenamingmessage.h"
+
+#include <QDebug>
+#include <QIODevice>
+
+namespace ClangBackEnd {
+
+RefactoringClientProxy::RefactoringClientProxy(RefactoringServerInterface *server, QIODevice *ioDevice)
+    : writeMessageBlock(ioDevice),
+      readMessageBlock(ioDevice),
+      server(server),
+      ioDevice(ioDevice)
+{
+    QObject::connect(ioDevice, &QIODevice::readyRead, [this] () {RefactoringClientProxy::readMessages();});