Revision: 21461
Author: [email protected]
Date: Fri May 23 11:12:25 2014 UTC
Log: Revert "Make v8::TryCatch able to consume natively thrown
exceptions (again)."
[email protected]
Review URL: https://codereview.chromium.org/296133013
http://code.google.com/p/v8/source/detail?r=21461
Modified:
/branches/bleeding_edge/src/api.cc
/branches/bleeding_edge/src/isolate.cc
/branches/bleeding_edge/src/isolate.h
/branches/bleeding_edge/test/cctest/test-api.cc
=======================================
--- /branches/bleeding_edge/src/api.cc Fri May 23 08:34:10 2014 UTC
+++ /branches/bleeding_edge/src/api.cc Fri May 23 11:12:25 2014 UTC
@@ -1830,12 +1830,6 @@
reinterpret_cast<Isolate*>(isolate_)->ThrowException(exc);
ASSERT(!isolate_->thread_local_top()->rethrowing_message_);
} else {
- if (HasCaught() && isolate_->has_scheduled_exception()) {
- // If an exception was caught but is still scheduled because no API
call
- // promoted it, then it is canceled to prevent it from being
propagated.
- // Note that this will not cancel termination exceptions.
- isolate_->CancelScheduledExceptionFromTryCatch(this);
- }
isolate_->UnregisterTryCatchHandler(this);
v8::internal::SimulatorStack::UnregisterCTryCatch();
}
=======================================
--- /branches/bleeding_edge/src/isolate.cc Fri May 23 08:34:10 2014 UTC
+++ /branches/bleeding_edge/src/isolate.cc Fri May 23 11:12:25 2014 UTC
@@ -906,15 +906,6 @@
thread_local_top()->pending_message_start_pos_ =
handler->message_start_pos_;
thread_local_top()->pending_message_end_pos_ = handler->message_end_pos_;
}
-
-
-void Isolate::CancelScheduledExceptionFromTryCatch(v8::TryCatch* handler) {
- ASSERT(has_scheduled_exception());
- if (scheduled_exception() == handler->exception_) {
- ASSERT(scheduled_exception() != heap()->termination_exception());
- clear_scheduled_exception();
- }
-}
Object* Isolate::PromoteScheduledException() {
@@ -1222,7 +1213,8 @@
PropagatePendingExceptionToExternalTryCatch();
HandleScope scope(this);
- if (thread_local_top_.pending_exception_ ==
heap()->termination_exception()) {
+ if (thread_local_top_.pending_exception_ ==
+ heap()->termination_exception()) {
// Do nothing: if needed, the exception has been already propagated to
// v8::TryCatch.
} else {
@@ -1759,7 +1751,8 @@
if (!external_caught) return;
- if (thread_local_top_.pending_exception_ ==
heap()->termination_exception()) {
+ if (thread_local_top_.pending_exception_ ==
+ heap()->termination_exception()) {
try_catch_handler()->can_continue_ = false;
try_catch_handler()->has_terminated_ = true;
try_catch_handler()->exception_ = heap()->null_value();
=======================================
--- /branches/bleeding_edge/src/isolate.h Fri May 23 08:34:10 2014 UTC
+++ /branches/bleeding_edge/src/isolate.h Fri May 23 11:12:25 2014 UTC
@@ -735,8 +735,6 @@
// Re-set pending message, script and positions reported to the TryCatch
// back to the TLS for re-use when rethrowing.
void RestorePendingMessageFromTryCatch(v8::TryCatch* handler);
- // Un-schedule an exception that was caught by a TryCatch handler.
- void CancelScheduledExceptionFromTryCatch(v8::TryCatch* handler);
void ReportPendingMessages();
// Return pending location if any or unfilled structure.
MessageLocation GetMessageLocation();
=======================================
--- /branches/bleeding_edge/test/cctest/test-api.cc Fri May 23 08:34:10
2014 UTC
+++ /branches/bleeding_edge/test/cctest/test-api.cc Fri May 23 11:12:25
2014 UTC
@@ -5343,28 +5343,15 @@
}
-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 @@
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"));
}
@@ -5432,28 +5407,6 @@
CompileRunWithOrigin("TryCatchMixedNestingHelper();\n", "outer", 1, 1);
TryCatchMixedNestingCheck(&try_catch);
}
-
-
-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) {
--
--
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