Revert "Make v8::TryCatch able to consume natively thrown exceptions"

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/293123003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21432 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/isolate.cc

@@ -883,7 +883,7 @@ void Isolate::ScheduleThrow(Object* exception) {
   // When scheduling a throw we first throw the exception to get the
   // error reporting if it is uncaught before rescheduling it.
   Throw(exception);
-  OptionalRescheduleException(false);
+  PropagatePendingExceptionToExternalTryCatch();
   if (has_pending_exception()) {
     thread_local_top()->scheduled_exception_ = pending_exception();
     thread_local_top()->external_caught_exception_ = false;

test/cctest/test-api.cc

@@ -5343,28 +5343,15 @@ THREADED_TEST(TryCatchAndFinally) {
 }
 
 
-static void TryCatchNested1Helper(int depth) {
+static void TryCatchNestedHelper(int depth) {
   if (depth > 0) {
     v8::TryCatch try_catch;
     try_catch.SetVerbose(true);
-    TryCatchNested1Helper(depth - 1);
+    TryCatchNestedHelper(depth - 1);
     CHECK(try_catch.HasCaught());
     try_catch.ReThrow();
   } else {
-    CcTest::isolate()->ThrowException(v8_str("E1"));
-  }
-}
-
-
-static void TryCatchNested2Helper(int depth) {
-  if (depth > 0) {
-    v8::TryCatch try_catch;
-    try_catch.SetVerbose(true);
-    TryCatchNested2Helper(depth - 1);
-    CHECK(try_catch.HasCaught());
-    try_catch.ReThrow();
-  } else {
-    CompileRun("throw 'E2';");
+    CcTest::isolate()->ThrowException(v8_str("back"));
   }
 }
 
@@ -5373,22 +5360,10 @@ TEST(TryCatchNested) {
   v8::V8::Initialize();
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
-
-  {
-    // Test nested try-catch with a native throw in the end.
-    v8::TryCatch try_catch;
-    TryCatchNested1Helper(5);
-    CHECK(try_catch.HasCaught());
-    CHECK_EQ(0, strcmp(*v8::String::Utf8Value(try_catch.Exception()), "E1"));
-  }
-
-  {
-    // Test nested try-catch with a JavaScript throw in the end.
-    v8::TryCatch try_catch;
-    TryCatchNested2Helper(5);
-    CHECK(try_catch.HasCaught());
-    CHECK_EQ(0, strcmp(*v8::String::Utf8Value(try_catch.Exception()), "E2"));
-  }
+  v8::TryCatch try_catch;
+  TryCatchNestedHelper(5);
+  CHECK(try_catch.HasCaught());
+  CHECK_EQ(0, strcmp(*v8::String::Utf8Value(try_catch.Exception()), "back"));
 }
 
 
@@ -5434,28 +5409,6 @@ TEST(TryCatchMixedNesting) {
 }
 
 
-void TryCatchNativeHelper(const v8::FunctionCallbackInfo<v8::Value>& args) {
-  ApiTestFuzzer::Fuzz();
-  v8::TryCatch try_catch;
-  args.GetIsolate()->ThrowException(v8_str("boom"));
-  CHECK(try_catch.HasCaught());
-}
-
-
-TEST(TryCatchNative) {
-  v8::Isolate* isolate = CcTest::isolate();
-  v8::HandleScope scope(isolate);
-  v8::V8::Initialize();
-  v8::TryCatch try_catch;
-  Local<ObjectTemplate> templ = ObjectTemplate::New(isolate);
-  templ->Set(v8_str("TryCatchNativeHelper"),
-             v8::FunctionTemplate::New(isolate, TryCatchNativeHelper));
-  LocalContext context(0, templ);
-  CompileRun("TryCatchNativeHelper();");
-  CHECK(!try_catch.HasCaught());
-}
-
-
 THREADED_TEST(Equality) {
   LocalContext context;
   v8::Isolate* isolate = context->GetIsolate();
@@ -13010,29 +12963,22 @@ THREADED_TEST(VariousGetPropertiesAndThrowingCallbacks) {
   Local<Value> result = instance->GetRealNamedProperty(v8_str("f"));
   CHECK(try_catch.HasCaught());
   try_catch.Reset();
-  // TODO(mstarzinger): The exception is propagated directly to the TryCatch
-  // scope and is never scheduled, because there is no real JavaScript frame
-  // between here and the ThrowingGetter. Fixing this will make the result a
-  // proper empty handle again.
-  CHECK(result->IsUndefined());
+  CHECK(result.IsEmpty());
 
   result = another->GetRealNamedProperty(v8_str("f"));
   CHECK(try_catch.HasCaught());
   try_catch.Reset();
-  // TODO(mstarzinger): Likewise.
-  CHECK(result->IsUndefined());
+  CHECK(result.IsEmpty());
 
   result = another->GetRealNamedPropertyInPrototypeChain(v8_str("f"));
   CHECK(try_catch.HasCaught());
   try_catch.Reset();
-  // TODO(mstarzinger): Likewise.
-  CHECK(result->IsUndefined());
+  CHECK(result.IsEmpty());
 
   result = another->Get(v8_str("f"));
   CHECK(try_catch.HasCaught());
   try_catch.Reset();
-  // TODO(mstarzinger): Likewise.
-  CHECK(result->IsUndefined());
+  CHECK(result.IsEmpty());
 
   result = with_js_getter->GetRealNamedProperty(v8_str("f"));
   CHECK(try_catch.HasCaught());