Clang: use local renaming based on ClangCodeModel

Provide refactoring engine for ClangCodeModel and implement missing methods. Change-Id: If5c913e0c5a7941cd2ced54d0fcfa4d625eadc93 Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>
2017-09-26 16:00:30 +02:00
parent 94e818dc82
commit 32bae7ef6c
30 changed files with 275 additions and 21 deletions
--- a/src/plugins/clangcodemodel/clangrefactoringengine.cpp
+++ b/src/plugins/clangcodemodel/clangrefactoringengine.cpp
@@ -0,0 +1,78 @@
+/****************************************************************************
+**
+** 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 "clangrefactoringengine.h"
+#include "clangeditordocumentprocessor.h"
+
+#include <utils/textutils.h>
+#include <utils/qtcassert.h>
+
+namespace ClangCodeModel {
+
+void RefactoringEngine::startLocalRenaming(const CppTools::CursorInEditor &data,
+                                           CppTools::ProjectPart *projectPart,
+                                           RenameCallback &&renameSymbolsCallback)
+{
+    Internal::ClangEditorDocumentProcessor *processor = Internal::ClangEditorDocumentProcessor::get(
+                data.filePath().toString());
+    const int startRevision = data.cursor().document()->revision();
+
+    using ClangBackEnd::SourceLocationsContainer;
+    auto defaultCallback = [renameSymbolsCallback, startRevision]() {
+        return renameSymbolsCallback(QString(), SourceLocationsContainer{}, startRevision);
+    };
+
+    if (!processor)
+        return defaultCallback();
+
+    QFuture<CppTools::CursorInfo> future = processor->requestLocalReferences(data.cursor());
+    if (future.isCanceled())
+        return defaultCallback();
+
+    // QFuture::waitForFinished seems to block completely, not even
+    // allowing to process events from QLocalSocket.
+    while (!future.isFinished()) {
+        if (future.isCanceled())
+            return defaultCallback();
+
+        QTC_ASSERT(startRevision == data.cursor().document()->revision(), return;);
+        QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
+    }
+
+    const CppTools::CursorInfo info = future.result();
+    if (info.useRanges.empty())
+        return defaultCallback();
+
+    QTextCursor cursor = Utils::Text::wordStartCursor(data.cursor());
+    cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor,
+                        info.useRanges.first().length);
+    const QString symbolName = cursor.selectedText();
+    ClangBackEnd::SourceLocationsContainer container;
+    for (auto& use : info.useRanges)
+        container.insertSourceLocation(ClangBackEnd::FilePathId(), use.line, use.column, use.length);
+    renameSymbolsCallback(symbolName, container, data.cursor().document()->revision());
+}
+
+}