aboutsummaryrefslogtreecommitdiffstats
path: root/src/qml/jsruntime/qv4debugging.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/qml/jsruntime/qv4debugging.cpp')
-rw-r--r--src/qml/jsruntime/qv4debugging.cpp286
1 files changed, 0 insertions, 286 deletions
diff --git a/src/qml/jsruntime/qv4debugging.cpp b/src/qml/jsruntime/qv4debugging.cpp
index 7706a40da6..b04bcd33e7 100644
--- a/src/qml/jsruntime/qv4debugging.cpp
+++ b/src/qml/jsruntime/qv4debugging.cpp
@@ -51,290 +51,4 @@
QT_BEGIN_NAMESPACE
-using namespace QV4;
-using namespace QV4::Debugging;
-
-V4Debugger::JavaScriptJob::JavaScriptJob(QV4::ExecutionEngine *engine, int frameNr,
- const QString &script)
- : engine(engine)
- , frameNr(frameNr)
- , script(script)
- , resultIsException(false)
-{}
-
-void V4Debugger::JavaScriptJob::run()
-{
- Scope scope(engine);
-
- ExecutionContextSaver saver(scope);
-
- ExecutionContext *ctx = engine->currentContext;
- if (frameNr > 0) {
- for (int i = 0; i < frameNr; ++i) {
- ctx = engine->parentContext(ctx);
- }
- engine->pushContext(ctx);
- }
-
- QV4::Script script(ctx, this->script);
- script.strictMode = ctx->d()->strictMode;
- // In order for property lookups in QML to work, we need to disable fast v4 lookups. That
- // is a side-effect of inheritContext.
- script.inheritContext = true;
- script.parse();
- QV4::ScopedValue result(scope);
- if (!scope.engine->hasException)
- result = script.run();
- if (scope.engine->hasException) {
- result = scope.engine->catchException();
- resultIsException = true;
- }
- handleResult(result);
-}
-
-bool V4Debugger::JavaScriptJob::hasExeption() const
-{
- return resultIsException;
-}
-
-class EvalJob: public V4Debugger::JavaScriptJob
-{
- bool result;
-
-public:
- EvalJob(QV4::ExecutionEngine *engine, const QString &script)
- : V4Debugger::JavaScriptJob(engine, /*frameNr*/-1, script)
- , result(false)
- {}
-
- virtual void handleResult(QV4::ScopedValue &result)
- {
- this->result = result->toBoolean();
- }
-
- bool resultAsBoolean() const
- {
- return result;
- }
-};
-
-V4Debugger::V4Debugger(QV4::ExecutionEngine *engine)
- : m_engine(engine)
- , m_state(Running)
- , m_stepping(NotStepping)
- , m_pauseRequested(false)
- , m_haveBreakPoints(false)
- , m_breakOnThrow(false)
- , m_returnedValue(engine, Primitive::undefinedValue())
- , m_gatherSources(0)
- , m_runningJob(0)
-{
- qMetaTypeId<V4Debugger*>();
- qMetaTypeId<PauseReason>();
-}
-
-void V4Debugger::pause()
-{
- QMutexLocker locker(&m_lock);
- if (m_state == Paused)
- return;
- m_pauseRequested = true;
-}
-
-void V4Debugger::resume(Speed speed)
-{
- QMutexLocker locker(&m_lock);
- if (m_state != Paused)
- return;
-
- if (!m_returnedValue.isUndefined())
- m_returnedValue.set(m_engine, Encode::undefined());
-
- m_currentContext.set(m_engine, *m_engine->currentContext);
- m_stepping = speed;
- m_runningCondition.wakeAll();
-}
-
-void V4Debugger::addBreakPoint(const QString &fileName, int lineNumber, const QString &condition)
-{
- QMutexLocker locker(&m_lock);
- m_breakPoints.insert(DebuggerBreakPoint(fileName.mid(fileName.lastIndexOf('/') + 1), lineNumber), condition);
- m_haveBreakPoints = true;
-}
-
-void V4Debugger::removeBreakPoint(const QString &fileName, int lineNumber)
-{
- QMutexLocker locker(&m_lock);
- m_breakPoints.remove(DebuggerBreakPoint(fileName.mid(fileName.lastIndexOf('/') + 1), lineNumber));
- m_haveBreakPoints = !m_breakPoints.isEmpty();
-}
-
-void V4Debugger::setBreakOnThrow(bool onoff)
-{
- QMutexLocker locker(&m_lock);
-
- m_breakOnThrow = onoff;
-}
-
-V4Debugger::ExecutionState V4Debugger::currentExecutionState() const
-{
- ExecutionState state;
- state.fileName = getFunction()->sourceFile();
- state.lineNumber = engine()->current->lineNumber;
-
- return state;
-}
-
-QVector<StackFrame> V4Debugger::stackTrace(int frameLimit) const
-{
- return m_engine->stackTrace(frameLimit);
-}
-
-void V4Debugger::maybeBreakAtInstruction()
-{
- if (m_runningJob) // do not re-enter when we're doing a job for the debugger.
- return;
-
- QMutexLocker locker(&m_lock);
-
- if (m_gatherSources) {
- m_gatherSources->run();
- delete m_gatherSources;
- m_gatherSources = 0;
- }
-
- switch (m_stepping) {
- case StepOver:
- if (m_currentContext.asManaged()->d() != m_engine->current)
- break;
- // fall through
- case StepIn:
- pauseAndWait(Step);
- return;
- case StepOut:
- case NotStepping:
- break;
- }
-
- if (m_pauseRequested) { // Serve debugging requests from the agent
- m_pauseRequested = false;
- pauseAndWait(PauseRequest);
- } else if (m_haveBreakPoints) {
- if (Function *f = getFunction()) {
- const int lineNumber = engine()->current->lineNumber;
- if (reallyHitTheBreakPoint(f->sourceFile(), lineNumber))
- pauseAndWait(BreakPoint);
- }
- }
-}
-
-void V4Debugger::enteringFunction()
-{
- if (m_runningJob)
- return;
- QMutexLocker locker(&m_lock);
-
- if (m_stepping == StepIn) {
- m_currentContext.set(m_engine, *m_engine->currentContext);
- }
-}
-
-void V4Debugger::leavingFunction(const ReturnedValue &retVal)
-{
- if (m_runningJob)
- return;
- Q_UNUSED(retVal); // TODO
-
- QMutexLocker locker(&m_lock);
-
- if (m_stepping != NotStepping && m_currentContext.asManaged()->d() == m_engine->current) {
- m_currentContext.set(m_engine, *m_engine->parentContext(m_engine->currentContext));
- m_stepping = StepOver;
- m_returnedValue.set(m_engine, retVal);
- }
-}
-
-void V4Debugger::aboutToThrow()
-{
- if (!m_breakOnThrow)
- return;
-
- if (m_runningJob) // do not re-enter when we're doing a job for the debugger.
- return;
-
- QMutexLocker locker(&m_lock);
- pauseAndWait(Throwing);
-}
-
-Function *V4Debugger::getFunction() const
-{
- Scope scope(m_engine);
- ExecutionContext *context = m_engine->currentContext;
- ScopedFunctionObject function(scope, context->getFunctionObject());
- if (function)
- return function->function();
- else
- return context->d()->engine->globalCode;
-}
-
-void V4Debugger::pauseAndWait(PauseReason reason)
-{
- if (m_runningJob)
- return;
-
- m_state = Paused;
- emit debuggerPaused(this, reason);
-
- while (true) {
- m_runningCondition.wait(&m_lock);
- if (m_runningJob) {
- m_runningJob->run();
- m_jobIsRunning.wakeAll();
- } else {
- break;
- }
- }
-
- m_state = Running;
-}
-
-bool V4Debugger::reallyHitTheBreakPoint(const QString &filename, int linenr)
-{
- BreakPoints::iterator it = m_breakPoints.find(DebuggerBreakPoint(filename.mid(filename.lastIndexOf('/') + 1), linenr));
- if (it == m_breakPoints.end())
- return false;
- QString condition = it.value();
- if (condition.isEmpty())
- return true;
-
- Q_ASSERT(m_runningJob == 0);
- EvalJob evilJob(m_engine, condition);
- m_runningJob = &evilJob;
- m_runningJob->run();
- m_runningJob = 0;
-
- return evilJob.resultAsBoolean();
-}
-
-void V4Debugger::runInEngine(V4Debugger::Job *job)
-{
- QMutexLocker locker(&m_lock);
- runInEngine_havingLock(job);
-}
-
-void V4Debugger::runInEngine_havingLock(V4Debugger::Job *job)
-{
- Q_ASSERT(job);
- Q_ASSERT(m_runningJob == 0);
-
- m_runningJob = job;
- m_runningCondition.wakeAll();
- m_jobIsRunning.wait(&m_lock);
- m_runningJob = 0;
-}
-
-V4Debugger::Job::~Job()
-{
-}
-
QT_END_NAMESPACE