void ScriptDebugServer::pauseIfNeeded(CallFrame* callFrame)
{
if (m_paused)
return;
JSGlobalObject* dynamicGlobalObject = callFrame->dynamicGlobalObject();
if (!getListenersForGlobalObject(dynamicGlobalObject))
return;
ScriptBreakpoint breakpoint;
bool didHitBreakpoint = false;
bool pauseNow = m_pauseOnNextStatement;
pauseNow |= (m_pauseOnCallFrame == m_currentCallFrame);
intptr_t sourceId = DebuggerCallFrame::sourceIdForCallFrame(m_currentCallFrame);
TextPosition position = DebuggerCallFrame::positionForCallFrame(m_currentCallFrame);
pauseNow |= didHitBreakpoint = hasBreakpoint(sourceId, position, &breakpoint);
m_lastExecutedLine = position.m_line.zeroBasedInt();
if (!pauseNow)
return;
DebuggerCallFrameScope debuggerCallFrameScope(*this);
if (didHitBreakpoint) {
evaluateBreakpointActions(breakpoint);
if (breakpoint.autoContinue)
return;
}
m_pauseOnCallFrame = 0;
m_pauseOnNextStatement = false;
m_paused = true;
dispatchFunctionToListeners(&ScriptDebugServer::dispatchDidPause, dynamicGlobalObject);
didPause(dynamicGlobalObject);
TimerBase::fireTimersInNestedEventLoop();
m_runningNestedMessageLoop = true;
m_doneProcessingDebuggerEvents = false;
runEventLoopWhilePaused();
m_runningNestedMessageLoop = false;
didContinue(dynamicGlobalObject);
dispatchFunctionToListeners(&ScriptDebugServer::dispatchDidContinue, dynamicGlobalObject);
m_paused = false;
}
void Debugger::pauseIfNeeded(CallFrame* callFrame)
{
if (m_isPaused)
return;
JSGlobalObject* vmEntryGlobalObject = callFrame->vmEntryGlobalObject();
if (!needPauseHandling(vmEntryGlobalObject))
return;
Breakpoint breakpoint;
bool didHitBreakpoint = false;
bool pauseNow = m_pauseOnNextStatement;
pauseNow |= (m_pauseOnCallFrame == m_currentCallFrame);
intptr_t sourceID = DebuggerCallFrame::sourceIDForCallFrame(m_currentCallFrame);
TextPosition position = DebuggerCallFrame::positionForCallFrame(m_currentCallFrame);
pauseNow |= didHitBreakpoint = hasBreakpoint(sourceID, position, &breakpoint);
m_lastExecutedLine = position.m_line.zeroBasedInt();
if (!pauseNow)
return;
DebuggerCallFrameScope debuggerCallFrameScope(*this);
// Make sure we are not going to pause again on breakpoint actions by
// reseting the pause state before executing any breakpoint actions.
TemporaryPausedState pausedState(*this);
m_pauseOnCallFrame = 0;
m_pauseOnNextStatement = false;
if (didHitBreakpoint) {
handleBreakpointHit(breakpoint);
// Note that the actions can potentially stop the debugger, so we need to check that
// we still have a current call frame when we get back.
if (breakpoint.autoContinue || !m_currentCallFrame)
return;
}
handlePause(m_reasonForPause, vmEntryGlobalObject);
if (!m_pauseOnNextStatement && !m_pauseOnCallFrame) {
setSteppingMode(SteppingModeDisabled);
m_currentCallFrame = nullptr;
}
}
