/* * Copyright (C) 2013 Google Inc. 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. */ #ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_EXCEPTION_STATE_H_ #define THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_EXCEPTION_STATE_H_ #include <utility> #include "base/check.h" #include "base/compiler_specific.h" #include "base/dcheck_is_on.h" #include "third_party/blink/renderer/platform/bindings/exception_code.h" #include "third_party/blink/renderer/platform/bindings/exception_context.h" #include "third_party/blink/renderer/platform/bindings/trace_wrapper_v8_reference.h" #include "third_party/blink/renderer/platform/platform_export.h" #include "third_party/blink/renderer/platform/wtf/allocator/allocator.h" #include "third_party/blink/renderer/platform/wtf/text/wtf_string.h" #include "v8/include/v8.h" namespace blink { // ExceptionState is a scope-like class and provides a way to throw an exception // with an option to cancel it. An exception message may be auto-generated. class PLATFORM_EXPORT ExceptionState { … }; // NonThrowableExceptionState never allow call sites to throw an exception. // Should be used if an exception must not be thrown. class PLATFORM_EXPORT NonThrowableExceptionState final : public ExceptionState { … }; class PLATFORM_EXPORT TryRethrowScope { … }; // Syntax sugar for NonThrowableExceptionState. // This can be used as a default value of an ExceptionState parameter like this: // // Node* removeChild(Node*, ExceptionState& = ASSERT_NO_EXCEPTION); #if DCHECK_IS_ON() #define ASSERT_NO_EXCEPTION … #else #define ASSERT_NO_EXCEPTION … #endif // DummyExceptionStateForTesting ignores all thrown exceptions. You should not // use DummyExceptionStateForTesting in production code, where you need to // handle all exceptions properly. If you really need to ignore exceptions in // production code for some special reason, explicitly call clearException(). class PLATFORM_EXPORT DummyExceptionStateForTesting final : public ExceptionState { … }; // Syntax sugar for DummyExceptionStateForTesting. // This can be used as a default value of an ExceptionState parameter like this: // // Node* removeChild(Node*, ExceptionState& = IGNORE_EXCEPTION_FOR_TESTING); #define IGNORE_EXCEPTION_FOR_TESTING … } // namespace blink #endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_EXCEPTION_STATE_H_
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