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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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1902 | 1902 |
1903 | 1903 |
1904 v8::TryCatch::TryCatch() | 1904 v8::TryCatch::TryCatch() |
1905 : isolate_(i::Isolate::Current()), | 1905 : isolate_(i::Isolate::Current()), |
1906 next_(isolate_->try_catch_handler_address()), | 1906 next_(isolate_->try_catch_handler_address()), |
1907 exception_(isolate_->heap()->the_hole_value()), | 1907 exception_(isolate_->heap()->the_hole_value()), |
1908 message_(i::Smi::FromInt(0)), | 1908 message_(i::Smi::FromInt(0)), |
1909 is_verbose_(false), | 1909 is_verbose_(false), |
1910 can_continue_(true), | 1910 can_continue_(true), |
1911 capture_message_(true), | 1911 capture_message_(true), |
1912 rethrow_(false) { | 1912 rethrow_(false), |
| 1913 has_terminated_(false) { |
1913 isolate_->RegisterTryCatchHandler(this); | 1914 isolate_->RegisterTryCatchHandler(this); |
1914 } | 1915 } |
1915 | 1916 |
1916 | 1917 |
1917 v8::TryCatch::~TryCatch() { | 1918 v8::TryCatch::~TryCatch() { |
1918 ASSERT(isolate_ == i::Isolate::Current()); | 1919 ASSERT(isolate_ == i::Isolate::Current()); |
1919 if (rethrow_) { | 1920 if (rethrow_) { |
1920 v8::HandleScope scope(reinterpret_cast<Isolate*>(isolate_)); | 1921 v8::HandleScope scope(reinterpret_cast<Isolate*>(isolate_)); |
1921 v8::Local<v8::Value> exc = v8::Local<v8::Value>::New(Exception()); | 1922 v8::Local<v8::Value> exc = v8::Local<v8::Value>::New(Exception()); |
1922 isolate_->UnregisterTryCatchHandler(this); | 1923 isolate_->UnregisterTryCatchHandler(this); |
1923 v8::ThrowException(exc); | 1924 v8::ThrowException(exc); |
1924 } else { | 1925 } else { |
1925 isolate_->UnregisterTryCatchHandler(this); | 1926 isolate_->UnregisterTryCatchHandler(this); |
1926 } | 1927 } |
1927 } | 1928 } |
1928 | 1929 |
1929 | 1930 |
1930 bool v8::TryCatch::HasCaught() const { | 1931 bool v8::TryCatch::HasCaught() const { |
1931 return !reinterpret_cast<i::Object*>(exception_)->IsTheHole(); | 1932 return !reinterpret_cast<i::Object*>(exception_)->IsTheHole(); |
1932 } | 1933 } |
1933 | 1934 |
1934 | 1935 |
1935 bool v8::TryCatch::CanContinue() const { | 1936 bool v8::TryCatch::CanContinue() const { |
1936 return can_continue_; | 1937 return can_continue_; |
1937 } | 1938 } |
1938 | 1939 |
1939 | 1940 |
| 1941 bool v8::TryCatch::HasTerminated() const { |
| 1942 return has_terminated_; |
| 1943 } |
| 1944 |
| 1945 |
1940 v8::Handle<v8::Value> v8::TryCatch::ReThrow() { | 1946 v8::Handle<v8::Value> v8::TryCatch::ReThrow() { |
1941 if (!HasCaught()) return v8::Local<v8::Value>(); | 1947 if (!HasCaught()) return v8::Local<v8::Value>(); |
1942 rethrow_ = true; | 1948 rethrow_ = true; |
1943 return v8::Undefined(); | 1949 return v8::Undefined(); |
1944 } | 1950 } |
1945 | 1951 |
1946 | 1952 |
1947 v8::Local<Value> v8::TryCatch::Exception() const { | 1953 v8::Local<Value> v8::TryCatch::Exception() const { |
1948 ASSERT(isolate_ == i::Isolate::Current()); | 1954 ASSERT(isolate_ == i::Isolate::Current()); |
1949 if (HasCaught()) { | 1955 if (HasCaught()) { |
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6109 } | 6115 } |
6110 | 6116 |
6111 | 6117 |
6112 bool V8::IsExecutionTerminating(Isolate* isolate) { | 6118 bool V8::IsExecutionTerminating(Isolate* isolate) { |
6113 i::Isolate* i_isolate = isolate != NULL ? | 6119 i::Isolate* i_isolate = isolate != NULL ? |
6114 reinterpret_cast<i::Isolate*>(isolate) : i::Isolate::Current(); | 6120 reinterpret_cast<i::Isolate*>(isolate) : i::Isolate::Current(); |
6115 return IsExecutionTerminatingCheck(i_isolate); | 6121 return IsExecutionTerminatingCheck(i_isolate); |
6116 } | 6122 } |
6117 | 6123 |
6118 | 6124 |
| 6125 void V8::CancelTerminateExecution(Isolate* isolate) { |
| 6126 i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); |
| 6127 i_isolate->stack_guard()->CancelTerminateExecution(); |
| 6128 } |
| 6129 |
| 6130 |
6119 Isolate* Isolate::GetCurrent() { | 6131 Isolate* Isolate::GetCurrent() { |
6120 i::Isolate* isolate = i::Isolate::UncheckedCurrent(); | 6132 i::Isolate* isolate = i::Isolate::UncheckedCurrent(); |
6121 return reinterpret_cast<Isolate*>(isolate); | 6133 return reinterpret_cast<Isolate*>(isolate); |
6122 } | 6134 } |
6123 | 6135 |
6124 | 6136 |
6125 Isolate* Isolate::New() { | 6137 Isolate* Isolate::New() { |
6126 i::Isolate* isolate = new i::Isolate(); | 6138 i::Isolate* isolate = new i::Isolate(); |
6127 return reinterpret_cast<Isolate*>(isolate); | 6139 return reinterpret_cast<Isolate*>(isolate); |
6128 } | 6140 } |
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7381 | 7393 |
7382 v->VisitPointers(blocks_.first(), first_block_limit_); | 7394 v->VisitPointers(blocks_.first(), first_block_limit_); |
7383 | 7395 |
7384 for (int i = 1; i < blocks_.length(); i++) { | 7396 for (int i = 1; i < blocks_.length(); i++) { |
7385 v->VisitPointers(blocks_[i], &blocks_[i][kHandleBlockSize]); | 7397 v->VisitPointers(blocks_[i], &blocks_[i][kHandleBlockSize]); |
7386 } | 7398 } |
7387 } | 7399 } |
7388 | 7400 |
7389 | 7401 |
7390 } } // namespace v8::internal | 7402 } } // namespace v8::internal |
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