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-rw-r--r--src/qml/jsruntime/qv4debugging_p.h140
1 files changed, 46 insertions, 94 deletions
diff --git a/src/qml/jsruntime/qv4debugging_p.h b/src/qml/jsruntime/qv4debugging_p.h
index e6a9750351..fdc9cac24f 100644
--- a/src/qml/jsruntime/qv4debugging_p.h
+++ b/src/qml/jsruntime/qv4debugging_p.h
@@ -34,6 +34,17 @@
#ifndef DEBUGGING_H
#define DEBUGGING_H
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
#include "qv4global_p.h"
#include "qv4engine_p.h"
#include "qv4context_p.h"
@@ -44,6 +55,8 @@
#include <QMutex>
#include <QWaitCondition>
+#include <QtCore/QJsonObject>
+
QT_BEGIN_NAMESPACE
namespace QV4 {
@@ -59,8 +72,6 @@ enum PauseReason {
Step
};
-class DebuggerAgent;
-
struct DebuggerBreakPoint {
DebuggerBreakPoint(const QString &fileName, int line)
: fileName(fileName), lineNumber(line)
@@ -79,43 +90,44 @@ inline bool operator==(const DebuggerBreakPoint &a, const DebuggerBreakPoint &b)
typedef QHash<DebuggerBreakPoint, QString> BreakPoints;
+class Q_QML_EXPORT Debugger : public QObject
+{
+ Q_OBJECT
-class Q_QML_EXPORT Debugger
+public:
+ virtual ~Debugger() {}
+ virtual bool pauseAtNextOpportunity() const = 0;
+ virtual void maybeBreakAtInstruction() = 0;
+ virtual void enteringFunction() = 0;
+ virtual void leavingFunction(const ReturnedValue &retVal) = 0;
+ virtual void aboutToThrow() = 0;
+};
+
+class Q_QML_EXPORT V4Debugger : public Debugger
{
+ Q_OBJECT
public:
- class Job
+ class Q_QML_EXPORT Job
{
public:
virtual ~Job() = 0;
virtual void run() = 0;
};
- class Q_QML_EXPORT Collector
+ class Q_QML_EXPORT JavaScriptJob: public Job
{
- public:
- Collector(ExecutionEngine *engine): m_engine(engine), m_isProperty(false) {}
- virtual ~Collector();
+ QV4::ExecutionEngine *engine;
+ int frameNr;
+ const QString &script;
+ bool resultIsException;
- void collect(const QString &name, const ScopedValue &value);
- void collect(Object *object);
+ public:
+ JavaScriptJob(QV4::ExecutionEngine *engine, int frameNr, const QString &script);
+ void run();
+ bool hasExeption() const;
protected:
- virtual void addUndefined(const QString &name) = 0;
- virtual void addNull(const QString &name) = 0;
- virtual void addBoolean(const QString &name, bool value) = 0;
- virtual void addString(const QString &name, const QString &value) = 0;
- virtual void addObject(const QString &name, const Value &value) = 0;
- virtual void addInteger(const QString &name, int value) = 0;
- virtual void addDouble(const QString &name, double value) = 0;
-
- QV4::ExecutionEngine *engine() const { return m_engine; }
-
- bool isProperty() const { return m_isProperty; }
- void setIsProperty(bool onoff) { m_isProperty = onoff; }
-
- private:
- QV4::ExecutionEngine *m_engine;
- bool m_isProperty;
+ virtual void handleResult(QV4::ScopedValue &result) = 0;
};
enum State {
@@ -132,17 +144,11 @@ public:
NotStepping = FullThrottle
};
- Debugger(ExecutionEngine *engine);
- ~Debugger();
+ V4Debugger(ExecutionEngine *engine);
ExecutionEngine *engine() const
{ return m_engine; }
- void attachToAgent(DebuggerAgent *agent);
- void detachFromAgent();
- DebuggerAgent *agent() const { return m_agent; }
-
- void gatherSources(int requestSequenceNr);
void pause();
void resume(Speed speed);
@@ -166,14 +172,10 @@ public:
}
QVector<StackFrame> stackTrace(int frameLimit = -1) const;
- void collectArgumentsInContext(Collector *collector, int frameNr = 0, int scopeNr = 0);
- void collectLocalsInContext(Collector *collector, int frameNr = 0, int scopeNr = 0);
- bool collectThisInContext(Collector *collector, int frame = 0);
- void collectThrownValue(Collector *collector);
- void collectReturnedValue(Collector *collector) const;
QVector<Heap::ExecutionContext::ContextType> getScopeTypes(int frame = 0) const;
- void evaluateExpression(int frameNr, const QString &expression, Collector *resultsCollector);
+ Function *getFunction() const;
+ void runInEngine(Job *job);
public: // compile-time interface
void maybeBreakAtInstruction();
@@ -183,21 +185,19 @@ public: // execution hooks
void leavingFunction(const ReturnedValue &retVal);
void aboutToThrow();
-private:
- Function *getFunction() const;
+signals:
+ void sourcesCollected(QV4::Debugging::V4Debugger *self, const QStringList &sources, int seq);
+ void debuggerPaused(QV4::Debugging::V4Debugger *self, QV4::Debugging::PauseReason reason);
+private:
// requires lock to be held
void pauseAndWait(PauseReason reason);
-
bool reallyHitTheBreakPoint(const QString &filename, int linenr);
-
- void runInEngine(Job *job);
- void runInEngine_havingLock(Debugger::Job *job);
+ void runInEngine_havingLock(V4Debugger::Job *job);
private:
QV4::ExecutionEngine *m_engine;
QV4::PersistentValue m_currentContext;
- DebuggerAgent *m_agent;
QMutex m_lock;
QWaitCondition m_runningCondition;
State m_state;
@@ -214,54 +214,6 @@ private:
QWaitCondition m_jobIsRunning;
};
-class Q_QML_EXPORT DebuggerAgent : public QObject
-{
- Q_OBJECT
-public:
- DebuggerAgent(): m_breakOnThrow(false) {}
- ~DebuggerAgent();
-
- void addDebugger(Debugger *debugger);
- void removeDebugger(Debugger *debugger);
-
- void pause(Debugger *debugger) const;
- void pauseAll() const;
- void resumeAll() const;
- int addBreakPoint(const QString &fileName, int lineNumber, bool enabled = true, const QString &condition = QString());
- void removeBreakPoint(int id);
- void removeAllBreakPoints();
- void enableBreakPoint(int id, bool onoff);
- QList<int> breakPointIds(const QString &fileName, int lineNumber) const;
-
- bool breakOnThrow() const { return m_breakOnThrow; }
- void setBreakOnThrow(bool onoff);
-
- Q_INVOKABLE virtual void debuggerPaused(QV4::Debugging::Debugger *debugger,
- QV4::Debugging::PauseReason reason) = 0;
- Q_INVOKABLE virtual void sourcesCollected(QV4::Debugging::Debugger *debugger,
- QStringList sources, int requestSequenceNr) = 0;
-
-protected:
- QList<Debugger *> m_debuggers;
-
- struct BreakPoint {
- QString fileName;
- int lineNr;
- bool enabled;
- QString condition;
-
- BreakPoint(): lineNr(-1), enabled(false) {}
- BreakPoint(const QString &fileName, int lineNr, bool enabled, const QString &condition)
- : fileName(fileName), lineNr(lineNr), enabled(enabled), condition(condition)
- {}
-
- bool isValid() const { return lineNr >= 0 && !fileName.isEmpty(); }
- };
-
- QHash<int, BreakPoint> m_breakPoints;
- bool m_breakOnThrow;
-};
-
} // namespace Debugging
} // namespace QV4