Add methods to allow resuming execution after calling TerminateExecution().

src/api.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1891 matching lines @@
 
 
 v8::TryCatch::TryCatch()
     : isolate_(i::Isolate::Current()),
       next_(isolate_->try_catch_handler_address()),
       exception_(isolate_->heap()->the_hole_value()),
       message_(i::Smi::FromInt(0)),
       is_verbose_(false),
       can_continue_(true),
       capture_message_(true),
-      rethrow_(false) {
+      rethrow_(false),
+      has_terminated_(false) {
   isolate_->RegisterTryCatchHandler(this);
 }
 
 
 v8::TryCatch::~TryCatch() {
   ASSERT(isolate_ == i::Isolate::Current());
   if (rethrow_) {
     v8::HandleScope scope(reinterpret_cast<Isolate*>(isolate_));
     v8::Local<v8::Value> exc = v8::Local<v8::Value>::New(Exception());
     isolate_->UnregisterTryCatchHandler(this);
     v8::ThrowException(exc);
   } else {
     isolate_->UnregisterTryCatchHandler(this);
   }
 }
 
 
 bool v8::TryCatch::HasCaught() const {
   return !reinterpret_cast<i::Object*>(exception_)->IsTheHole();
 }
 
 
 bool v8::TryCatch::CanContinue() const {
   return can_continue_;
 }
 
 
+bool v8::TryCatch::HasTerminated() const {
+  return has_terminated_;
+}
+
+
 v8::Handle<v8::Value> v8::TryCatch::ReThrow() {
   if (!HasCaught()) return v8::Local<v8::Value>();
   rethrow_ = true;
   return v8::Undefined();
 }
 
 
 v8::Local<Value> v8::TryCatch::Exception() const {
   ASSERT(isolate_ == i::Isolate::Current());
   if (HasCaught()) {
@@ skipping 4159 matching lines @@
 }
 
 
 bool V8::IsExecutionTerminating(Isolate* isolate) {
   i::Isolate* i_isolate = isolate != NULL ?
       reinterpret_cast<i::Isolate*>(isolate) : i::Isolate::Current();
   return IsExecutionTerminatingCheck(i_isolate);
 }
 
 
+void V8::CancelTerminateExecution(Isolate* isolate) {
+  i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
+  i_isolate->stack_guard()->CancelTerminateExecution();
+}
+
+
 Isolate* Isolate::GetCurrent() {
   i::Isolate* isolate = i::Isolate::UncheckedCurrent();
   return reinterpret_cast<Isolate*>(isolate);
 }
 
 
 Isolate* Isolate::New() {
   i::Isolate* isolate = new i::Isolate();
   return reinterpret_cast<Isolate*>(isolate);
 }
@@ skipping 1252 matching lines @@
 
   v->VisitPointers(blocks_.first(), first_block_limit_);
 
   for (int i = 1; i < blocks_.length(); i++) {
     v->VisitPointers(blocks_[i], &blocks_[i][kHandleBlockSize]);
   }
 }
 
 
 } }  // namespace v8::internal