*has_pending_exception = value->IsException();
ASSERT(*has_pending_exception == Top::has_pending_exception());
if (*has_pending_exception) {
- Top::ReportPendingMessages();
+ Top::setup_external_caught();
+ // If the pending exception is OutOfMemoryException set out_of_memory in
+ // the global context. Note: We have to mark the global context here
+ // since the GenerateThrowOutOfMemory stub cannot make a RuntimeCall to
+ // set it.
+ if (Top::pending_exception() == Failure::OutOfMemoryException()) {
+ Top::context()->mark_out_of_memory();
+ }
return Handle<Object>();
- } else {
- Top::clear_pending_message();
}
return Handle<Object>(value);
void Top::Iterate(ObjectVisitor* v, ThreadLocalTop* thread) {
v->VisitPointer(&(thread->pending_exception_));
- v->VisitPointer(&(thread->pending_message_obj_));
- v->VisitPointer(
- bit_cast<Object**, Script**>(&(thread->pending_message_script_)));
v->VisitPointer(bit_cast<Object**, Context**>(&(thread->context_)));
v->VisitPointer(&(thread->scheduled_exception_));
thread_local_.external_caught_exception_ = false;
thread_local_.failed_access_check_callback_ = NULL;
clear_pending_exception();
- clear_pending_message();
clear_scheduled_exception();
thread_local_.save_context_ = NULL;
thread_local_.catcher_ = NULL;
// Determine reporting and whether the exception is caught externally.
bool is_caught_externally = false;
- bool is_out_of_memory = exception == Failure::OutOfMemoryException();
- bool should_return_exception = ShouldReportException(&is_caught_externally);
- bool report_exception = !is_out_of_memory && should_return_exception;
-
-
- // Notify debugger of exception.
- Debugger::OnException(exception_handle, report_exception);
+ bool report_exception = (exception != Failure::OutOfMemoryException()) &&
+ ShouldReportException(&is_caught_externally);
// Generate the message.
Handle<Object> message_obj;
location, HandleVector<Object>(&exception_handle, 1), stack_trace);
}
- // Save the message for reporting if the the exception remains uncaught.
- thread_local_.pending_message_ = message;
- if (!message_obj.is_null()) {
- thread_local_.pending_message_obj_ = *message_obj;
- if (location != NULL) {
- thread_local_.pending_message_script_ = *location->script();
- thread_local_.pending_message_start_pos_ = location->start_pos();
- thread_local_.pending_message_end_pos_ = location->end_pos();
- }
- }
-
+ // If the exception is caught externally, we store it in the
+ // try/catch handler. The C code can find it later and process it if
+ // necessary.
+ thread_local_.catcher_ = NULL;
if (is_caught_externally) {
thread_local_.catcher_ = thread_local_.try_catch_handler_;
+ thread_local_.try_catch_handler_->exception_ =
+ reinterpret_cast<void*>(*exception_handle);
+ if (!message_obj.is_null()) {
+ thread_local_.try_catch_handler_->message_ =
+ reinterpret_cast<void*>(*message_obj);
+ }
}
- // NOTE: Notifying the debugger or generating the message
- // may have caused new exceptions. For now, we just ignore
- // that and set the pending exception to the original one.
- set_pending_exception(*exception_handle);
-}
-
+ // Notify debugger of exception.
+ Debugger::OnException(exception_handle, report_exception);
-void Top::ReportPendingMessages() {
- ASSERT(has_pending_exception());
- setup_external_caught();
- // If the pending exception is OutOfMemoryException set out_of_memory in
- // the global context. Note: We have to mark the global context here
- // since the GenerateThrowOutOfMemory stub cannot make a RuntimeCall to
- // set it.
- HandleScope scope;
- if (thread_local_.pending_exception_ == Failure::OutOfMemoryException()) {
- context()->mark_out_of_memory();
- } else {
- Handle<Object> exception(pending_exception());
- if (thread_local_.external_caught_exception_) {
- thread_local_.try_catch_handler_->exception_ =
- thread_local_.pending_exception_;
- if (!thread_local_.pending_message_obj_->IsTheHole()) {
- try_catch_handler()->message_ = thread_local_.pending_message_obj_;
- }
- } else if (thread_local_.pending_message_ != NULL) {
- MessageHandler::ReportMessage(thread_local_.pending_message_);
- } else if (!thread_local_.pending_message_obj_->IsTheHole()) {
- Handle<Object> message_obj(thread_local_.pending_message_obj_);
- if (thread_local_.pending_message_script_ != NULL) {
- Handle<Script> script(thread_local_.pending_message_script_);
- int start_pos = thread_local_.pending_message_start_pos_;
- int end_pos = thread_local_.pending_message_end_pos_;
- MessageLocation location(script, start_pos, end_pos);
- MessageHandler::ReportMessage(&location, message_obj);
- } else {
- MessageHandler::ReportMessage(NULL, message_obj);
- }
+ if (report_exception) {
+ if (message != NULL) {
+ MessageHandler::ReportMessage(message);
+ } else if (!message_obj.is_null()) {
+ MessageHandler::ReportMessage(location, message_obj);
}
- set_pending_exception(*exception);
}
- clear_pending_message();
+
+ // NOTE: Notifying the debugger or reporting the exception may have caused
+ // new exceptions. For now, we just ignore that and set the pending exception
+ // to the original one.
+ set_pending_exception(*exception_handle);
}
// lookups.
Context* context_;
Object* pending_exception_;
- const char* pending_message_;
- Object* pending_message_obj_;
- Script* pending_message_script_;
- int pending_message_start_pos_;
- int pending_message_end_pos_;
// Use a separate value for scheduled exceptions to preserve the
// invariants that hold about pending_exception. We may want to
// unify them later.
static bool has_pending_exception() {
return !thread_local_.pending_exception_->IsTheHole();
}
- static void clear_pending_message() {
- thread_local_.catcher_ = NULL;
- thread_local_.pending_message_ = NULL;
- thread_local_.pending_message_obj_ = Heap::the_hole_value();
- thread_local_.pending_message_script_ = NULL;
- }
static v8::TryCatch* try_catch_handler() {
return thread_local_.try_catch_handler_;
}
static void setup_external_caught() {
thread_local_.external_caught_exception_ =
- (!thread_local_.pending_exception_->IsTheHole()) &&
(thread_local_.catcher_ != NULL) &&
(Top::thread_local_.try_catch_handler_ == Top::thread_local_.catcher_);
}
// originally.
static Failure* ReThrow(Object* exception, MessageLocation* location = NULL);
static void ScheduleThrow(Object* exception);
- static void ReportPendingMessages();
// Promote a scheduled exception to pending. Asserts has_scheduled_exception.
static Object* PromoteScheduledException();
// Counts uncaught exceptions, but other tests running in parallel
// also have uncaught exceptions.
TEST(ApiUncaughtException) {
- report_count = 0;
v8::HandleScope scope;
LocalContext env;
v8::V8::AddMessageListener(ApiUncaughtExceptionTestListener);
CHECK(trouble_caller->IsFunction());
Function::Cast(*trouble_caller)->Call(global, 0, NULL);
CHECK_EQ(1, report_count);
- v8::V8::RemoveMessageListeners(ApiUncaughtExceptionTestListener);
-}
-
-
-TEST(TryCatchFinallyUsingTryCatchHandler) {
- v8::HandleScope scope;
- LocalContext env;
- v8::TryCatch try_catch;
- Script::Compile(v8_str("try { throw ''; } catch (e) {}"))->Run();
- CHECK(!try_catch.HasCaught());
- Script::Compile(v8_str("try { throw ''; } finally {}"))->Run();
- CHECK(try_catch.HasCaught());
- try_catch.Reset();
- Script::Compile(v8_str("(function() {"
- "try { throw ''; } finally { return; }"
- "})()"))->Run();
- CHECK(!try_catch.HasCaught());
- Script::Compile(v8_str("(function()"
- " { try { throw ''; } finally { throw 0; }"
- "})()"))->Run();
- CHECK(try_catch.HasCaught());
}
+++ /dev/null
-// Copyright 2008 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
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-function f() {
- try {
- throw "foo";
- return 7;
- } catch (e) {
- "bar"
- } finally {
- return 42;
- }
-}
-
-print(f());
+++ /dev/null
-# Copyright 2008 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
-# with the distribution.
-# * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived
-# from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-42
+++ /dev/null
-// Copyright 2008 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
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-function f() {
- try {
- throw "foo";
- return 7;
- } finally {
- return 42;
- }
-}
-
-print(f());
+++ /dev/null
-# Copyright 2008 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
-# with the distribution.
-# * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived
-# from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-42
projects / platform / upstream / v8.git / commitdiff