diff options
Diffstat (limited to 'deps/v8/src/debug.h')
-rw-r--r-- | deps/v8/src/debug.h | 90 |
1 files changed, 4 insertions, 86 deletions
diff --git a/deps/v8/src/debug.h b/deps/v8/src/debug.h index a098040c0d..f01ef393f8 100644 --- a/deps/v8/src/debug.h +++ b/deps/v8/src/debug.h @@ -705,7 +705,8 @@ class Debugger { void DebugRequest(const uint16_t* json_request, int length); Handle<Object> MakeJSObject(Vector<const char> constructor_name, - int argc, Object*** argv, + int argc, + Handle<Object> argv[], bool* caught_exception); Handle<Object> MakeExecutionState(bool* caught_exception); Handle<Object> MakeBreakEvent(Handle<Object> exec_state, @@ -869,91 +870,8 @@ class Debugger { // some reason could not be entered FailedToEnter will return true. class EnterDebugger BASE_EMBEDDED { public: - EnterDebugger() - : isolate_(Isolate::Current()), - prev_(isolate_->debug()->debugger_entry()), - it_(isolate_), - has_js_frames_(!it_.done()), - save_(isolate_) { - Debug* debug = isolate_->debug(); - ASSERT(prev_ != NULL || !debug->is_interrupt_pending(PREEMPT)); - ASSERT(prev_ != NULL || !debug->is_interrupt_pending(DEBUGBREAK)); - - // Link recursive debugger entry. - debug->set_debugger_entry(this); - - // Store the previous break id and frame id. - break_id_ = debug->break_id(); - break_frame_id_ = debug->break_frame_id(); - - // Create the new break info. If there is no JavaScript frames there is no - // break frame id. - if (has_js_frames_) { - debug->NewBreak(it_.frame()->id()); - } else { - debug->NewBreak(StackFrame::NO_ID); - } - - // Make sure that debugger is loaded and enter the debugger context. - load_failed_ = !debug->Load(); - if (!load_failed_) { - // NOTE the member variable save which saves the previous context before - // this change. - isolate_->set_context(*debug->debug_context()); - } - } - - ~EnterDebugger() { - ASSERT(Isolate::Current() == isolate_); - Debug* debug = isolate_->debug(); - - // Restore to the previous break state. - debug->SetBreak(break_frame_id_, break_id_); - - // Check for leaving the debugger. - if (prev_ == NULL) { - // Clear mirror cache when leaving the debugger. Skip this if there is a - // pending exception as clearing the mirror cache calls back into - // JavaScript. This can happen if the v8::Debug::Call is used in which - // case the exception should end up in the calling code. - if (!isolate_->has_pending_exception()) { - // Try to avoid any pending debug break breaking in the clear mirror - // cache JavaScript code. - if (isolate_->stack_guard()->IsDebugBreak()) { - debug->set_interrupts_pending(DEBUGBREAK); - isolate_->stack_guard()->Continue(DEBUGBREAK); - } - debug->ClearMirrorCache(); - } - - // Request preemption and debug break when leaving the last debugger entry - // if any of these where recorded while debugging. - if (debug->is_interrupt_pending(PREEMPT)) { - // This re-scheduling of preemption is to avoid starvation in some - // debugging scenarios. - debug->clear_interrupt_pending(PREEMPT); - isolate_->stack_guard()->Preempt(); - } - if (debug->is_interrupt_pending(DEBUGBREAK)) { - debug->clear_interrupt_pending(DEBUGBREAK); - isolate_->stack_guard()->DebugBreak(); - } - - // If there are commands in the queue when leaving the debugger request - // that these commands are processed. - if (isolate_->debugger()->HasCommands()) { - isolate_->stack_guard()->DebugCommand(); - } - - // If leaving the debugger with the debugger no longer active unload it. - if (!isolate_->debugger()->IsDebuggerActive()) { - isolate_->debugger()->UnloadDebugger(); - } - } - - // Leaving this debugger entry. - debug->set_debugger_entry(prev_); - } + EnterDebugger(); + ~EnterDebugger(); // Check whether the debugger could be entered. inline bool FailedToEnter() { return load_failed_; } |