debugger: split debuggeragents.{h,cpp} int {memory,disassembler}agent.{h,cpp}

2010-12-08 12:43:11 +01:00
parent d7ca39da06
commit cfd2dbb395
18 changed files with 297 additions and 208 deletions
--- a/src/plugins/debugger/memoryagent.cpp
+++ b/src/plugins/debugger/memoryagent.cpp
@@ -0,0 +1,159 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#include "memoryagent.h"
+
+#include "debuggerengine.h"
+#include "debuggercore.h"
+
+#include <coreplugin/coreconstants.h>
+#include <coreplugin/editormanager/editormanager.h>
+#include <coreplugin/editormanager/ieditor.h>
+#include <coreplugin/icore.h>
+
+#include <utils/qtcassert.h>
+
+#include <QtGui/QMessageBox>
+
+using namespace Core;
+
+namespace Debugger {
+namespace Internal {
+
+///////////////////////////////////////////////////////////////////////
+//
+// MemoryViewAgent
+//
+///////////////////////////////////////////////////////////////////////
+
+/*!
+    \class MemoryViewAgent
+
+    Objects form this class are created in response to user actions in
+    the Gui for showing raw memory from the inferior. After creation
+    it handles communication between the engine and the bineditor.
+*/
+
+namespace { const int DataRange = 1024 * 1024; }
+
+MemoryViewAgent::MemoryViewAgent(Debugger::DebuggerEngine *engine, quint64 addr)
+    : QObject(engine), m_engine(engine)
+{
+    QTC_ASSERT(engine, /**/);
+    createBinEditor(addr);
+}
+
+MemoryViewAgent::~MemoryViewAgent()
+{
+    EditorManager *editorManager = EditorManager::instance();
+    QList<IEditor *> editors;
+    foreach (QPointer<IEditor> editor, m_editors)
+        if (editor)
+            editors.append(editor.data());
+    editorManager->closeEditors(editors);
+}
+
+void MemoryViewAgent::createBinEditor(quint64 addr)
+{
+    EditorManager *editorManager = EditorManager::instance();
+    QString titlePattern = tr("Memory $");
+    IEditor *editor = editorManager->openEditorWithContents(
+        Core::Constants::K_DEFAULT_BINARY_EDITOR_ID,
+        &titlePattern);
+    if (editor) {
+        connect(editor->widget(),
+            SIGNAL(lazyDataRequested(Core::IEditor *, quint64,bool)),
+            SLOT(fetchLazyData(Core::IEditor *, quint64,bool)));
+        connect(editor->widget(),
+            SIGNAL(newWindowRequested(quint64)),
+            SLOT(createBinEditor(quint64)));
+        connect(editor->widget(),
+            SIGNAL(newRangeRequested(Core::IEditor *, quint64)),
+            SLOT(provideNewRange(Core::IEditor*,quint64)));
+        connect(editor->widget(),
+            SIGNAL(startOfFileRequested(Core::IEditor *)),
+            SLOT(handleStartOfFileRequested(Core::IEditor*)));
+        connect(editor->widget(),
+            SIGNAL(endOfFileRequested(Core::IEditor *)),
+            SLOT(handleEndOfFileRequested(Core::IEditor*)));
+        m_editors << editor;
+        editorManager->activateEditor(editor);
+        QMetaObject::invokeMethod(editor->widget(), "setNewWindowRequestAllowed");
+        QMetaObject::invokeMethod(editor->widget(), "setLazyData",
+            Q_ARG(quint64, addr), Q_ARG(int, DataRange), Q_ARG(int, BinBlockSize));
+    } else {
+        showMessageBox(QMessageBox::Warning,
+            tr("No memory viewer available"),
+            tr("The memory contents cannot be shown as no viewer plugin "
+               "for binary data has been loaded."));
+        deleteLater();
+    }
+}
+
+void MemoryViewAgent::fetchLazyData(IEditor *editor, quint64 block, bool sync)
+{
+    Q_UNUSED(sync); // FIXME: needed support for incremental searching
+    m_engine->fetchMemory(this, editor, BinBlockSize * block, BinBlockSize);
+}
+
+void MemoryViewAgent::addLazyData(QObject *editorToken, quint64 addr,
+                                  const QByteArray &ba)
+{
+    IEditor *editor = qobject_cast<IEditor *>(editorToken);
+    if (editor && editor->widget()) {
+        Core::EditorManager::instance()->activateEditor(editor);
+        QMetaObject::invokeMethod(editor->widget(), "addLazyData",
+            Q_ARG(quint64, addr / BinBlockSize), Q_ARG(QByteArray, ba));
+    }
+}
+
+void MemoryViewAgent::provideNewRange(IEditor *editor, quint64 address)
+{
+    QMetaObject::invokeMethod(editor->widget(), "setLazyData",
+        Q_ARG(quint64, address), Q_ARG(int, DataRange),
+        Q_ARG(int, BinBlockSize));
+}
+
+// Since we are not dealing with files, we take these signals to mean
+// "move to start/end of range". This seems to make more sense than
+// jumping to the start or end of the address space, respectively.
+void MemoryViewAgent::handleStartOfFileRequested(IEditor *editor)
+{
+    QMetaObject::invokeMethod(editor->widget(),
+        "setCursorPosition", Q_ARG(int, 0));
+}
+
+void MemoryViewAgent::handleEndOfFileRequested(IEditor *editor)
+{
+    QMetaObject::invokeMethod(editor->widget(),
+        "setCursorPosition", Q_ARG(int, DataRange - 1));
+}
+
+} // namespace Internal
+} // namespace Debugger