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/****************************************************************************
**
** Copyright (C) 2014 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 DEBUGGER_LLDBENGINE
#define DEBUGGER_LLDBENGINE
#include <debugger/debuggerengine.h>
#include <debugger/disassembleragent.h>
#include <debugger/memoryagent.h>
#include <debugger/watchhandler.h>
#include <debugger/debuggertooltipmanager.h>
#include <utils/consoleprocess.h>
#include <QPointer>
#include <QProcess>
#include <QQueue>
#include <QMap>
#include <QStack>
#include <QVariant>
namespace Debugger {
namespace Internal {
class WatchData;
class GdbMi;
/* A debugger engine interfacing the LLDB debugger
* using its Python interface.
*/
class LldbEngine : public DebuggerEngine
{
Q_OBJECT
public:
explicit LldbEngine(const DebuggerStartParameters &startParameters);
~LldbEngine();
private:
// Convenience struct to build up backend commands.
struct Command
{
Command() {}
Command(const char *f) : function(f) {}
const Command &arg(const char *name) const;
const Command &arg(const char *name, int value) const;
const Command &arg(const char *name, qlonglong value) const;
const Command &arg(const char *name, qulonglong value) const;
const Command &arg(const char *name, const QString &value) const;
const Command &arg(const char *name, const QByteArray &value) const;
const Command &arg(const char *name, const char *value) const;
const Command &beginList(const char *name = 0) const;
void endList() const;
const Command &beginGroup(const char *name = 0) const;
void endGroup() const;
static QByteArray toData(const QList<QByteArray> &value);
static QByteArray toData(const QHash<QByteArray, QByteArray> &value);
QByteArray function;
mutable QByteArray args;
private:
const Command &argHelper(const char *name, const QByteArray &value) const;
};
// DebuggerEngine implementation
void executeStep();
void executeStepOut();
void executeNext();
void executeStepI();
void executeNextI();
void setupEngine();
void startLldb();
void setupInferior();
void runEngine();
void shutdownInferior();
void shutdownEngine();
void abortDebugger();
void resetLocation();
bool setToolTipExpression(TextEditor::ITextEditor *editor,
const DebuggerToolTipContext &);
void continueInferior();
void interruptInferior();
void executeRunToLine(const ContextData &data);
void executeRunToFunction(const QString &functionName);
void executeJumpToLine(const ContextData &data);
void activateFrame(int index);
void selectThread(ThreadId threadId);
bool acceptsBreakpoint(BreakpointModelId id) const;
void attemptBreakpointSynchronization();
bool attemptBreakpointSynchronizationHelper(Command *command);
void assignValueInDebugger(const WatchData *data,
const QString &expr, const QVariant &value);
void executeDebuggerCommand(const QString &command, DebuggerLanguages languages);
void loadSymbols(const QString &moduleName);
void loadAllSymbols();
void requestModuleSymbols(const QString &moduleName);
void reloadModules();
void reloadRegisters();
void reloadSourceFiles() {}
void reloadFullStack();
void fetchDisassembler(Internal::DisassemblerAgent *);
void refreshDisassembly(const GdbMi &data);
bool supportsThreads() const { return true; }
bool isSynchronous() const { return true; }
void updateWatchData(const WatchData &data, const WatchUpdateFlags &flags);
void setRegisterValue(int regnr, const QString &value);
void fetchMemory(Internal::MemoryAgent *, QObject *, quint64 addr, quint64 length);
void changeMemory(Internal::MemoryAgent *, QObject *, quint64 addr, const QByteArray &data);
void refreshMemory(const GdbMi &data);
signals:
void outputReady(const QByteArray &data);
private:
QString errorMessage(QProcess::ProcessError error) const;
bool hasCapability(unsigned cap) const;
Q_SLOT void handleLldbFinished(int, QProcess::ExitStatus status);
Q_SLOT void handleLldbError(QProcess::ProcessError error);
Q_SLOT void readLldbStandardOutput();
Q_SLOT void readLldbStandardError();
Q_SLOT void handleResponse(const QByteArray &data);
Q_SLOT void runEngine2();
Q_SLOT void updateAll();
Q_SLOT void updateStack();
Q_SLOT void updateLocals();
Q_SLOT void createFullBacktrace();
void doUpdateLocals(UpdateParameters params);
void refreshAll(const GdbMi &all);
void refreshThreads(const GdbMi &threads);
void refreshStack(const GdbMi &stack);
void refreshStackPosition(const GdbMi &position);
void refreshStackTop(const GdbMi &position);
void setStackPosition(int index);
void refreshRegisters(const GdbMi ®isters);
void refreshLocals(const GdbMi &vars);
void refreshTypeInfo(const GdbMi &typeInfo);
void refreshState(const GdbMi &state);
void refreshLocation(const GdbMi &location);
void refreshModules(const GdbMi &modules);
void refreshSymbols(const GdbMi &symbols);
void refreshOutput(const GdbMi &output);
void refreshAddedBreakpoint(const GdbMi &bkpts);
void refreshChangedBreakpoint(const GdbMi &bkpts);
void refreshRemovedBreakpoint(const GdbMi &bkpts);
void runContinuation(const GdbMi &data);
void showFullBacktrace(const GdbMi &data);
typedef void (LldbEngine::*LldbCommandContinuation)();
void handleListLocals(const QByteArray &response);
void handleListModules(const QByteArray &response);
void handleListSymbols(const QByteArray &response);
void handleBreakpointsSynchronized(const QByteArray &response);
void updateBreakpointData(const GdbMi &bkpt, bool added);
void handleUpdateStack(const QByteArray &response);
void handleUpdateThreads(const QByteArray &response);
void notifyEngineRemoteSetupDone(int portOrPid, int qmlPort);
void notifyEngineRemoteSetupFailed(const QString &reason);
void handleChildren(const WatchData &data0, const GdbMi &item,
QList<WatchData> *list);
void runCommand(const Command &cmd);
void debugLastCommand();
Command m_lastDebuggableCommand;
QByteArray m_inbuffer;
QString m_scriptFileName;
QProcess m_lldbProc;
QString m_lldbCmd;
// FIXME: Make generic.
int m_lastAgentId;
int m_lastToken;
int m_continueAtNextSpontaneousStop;
QMap<QPointer<DisassemblerAgent>, int> m_disassemblerAgents;
QMap<QPointer<MemoryAgent>, int> m_memoryAgents;
QHash<int, QPointer<QObject> > m_memoryAgentTokens;
DebuggerToolTipContext m_toolTipContext;
void showToolTip();
// Console handling.
Q_SLOT void stubError(const QString &msg);
Q_SLOT void stubExited();
Q_SLOT void stubStarted();
bool prepareCommand();
Utils::ConsoleProcess m_stubProc;
};
} // namespace Internal
} // namespace Debugger
#endif // DEBUGGER_LLDBENGINE
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