CppEditor: "Follow Symbol Under Cursor" for virtual functions

F2 on a virtual function call presents a list of overrides in derived classes. The function declaration of the static type is shown immediately at the top. Task-number: QTCREATORBUG-9611 Change-Id: I80ce906fa06272dc9fbd1662cd17500b8c77067f Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
2013-07-04 20:11:10 +02:00
parent 3a64f8a344
commit 11aeaea86f
23 changed files with 1130 additions and 352 deletions
--- a/src/plugins/cppeditor/cppvirtualfunctionassistprovider.h
+++ b/src/plugins/cppeditor/cppvirtualfunctionassistprovider.h
@@ -0,0 +1,80 @@
+/****************************************************************************
+**
+** 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.
+**
+****************************************************************************/
+
+#ifndef CPPFOLLOWVIRTUALSYMBOLS_H
+#define CPPFOLLOWVIRTUALSYMBOLS_H
+
+#include <texteditor/codeassist/iassistprovider.h>
+
+#include <cplusplus/CppDocument.h>
+#include <cplusplus/Symbols.h>
+
+namespace CppEditor {
+namespace Internal {
+
+class VirtualFunctionAssistProvider : public TextEditor::IAssistProvider
+{
+public:
+    VirtualFunctionAssistProvider();
+
+    virtual bool configure(CPlusPlus::Class *startClass, CPlusPlus::Function *function,
+        const CPlusPlus::Snapshot &snapshot, bool openInNextSplit);
+    CPlusPlus::Class *startClass() const { return m_startClass; }
+    CPlusPlus::Function *function() const { return m_function; }
+    CPlusPlus::Snapshot snapshot() const { return m_snapshot; }
+    bool openInNextSplit() const { return m_openInNextSplit; }
+
+    bool isAsynchronous() const;
+    bool supportsEditor(const Core::Id &editorId) const;
+    TextEditor::IAssistProcessor *createProcessor() const;
+
+private:
+    CPlusPlus::Class *m_startClass;
+    CPlusPlus::Function *m_function;
+    CPlusPlus::Snapshot m_snapshot;
+    bool m_openInNextSplit;
+};
+
+class FunctionHelper
+{
+public:
+    static bool isVirtualFunction(CPlusPlus::Function *function,
+        const CPlusPlus::Snapshot &snapshot);
+
+    static bool isPureVirtualFunction(CPlusPlus::Function *function,
+        const CPlusPlus::Snapshot &snapshot);
+
+    static QList<CPlusPlus::Symbol *> overrides(CPlusPlus::Class *startClass,
+        CPlusPlus::Function *function, const CPlusPlus::Snapshot &snapshot);
+};
+
+} // namespace Internal
+} // namespace CppEditor
+
+#endif // CPPFOLLOWVIRTUALSYMBOLS_H