1 /* 2 * Copyright (C) 2013 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef ExceptionStatePlaceholder_h 32 #define ExceptionStatePlaceholder_h 33 34 #include "bindings/core/v8/ExceptionState.h" 35 #include "wtf/Assertions.h" 36 #include "wtf/text/WTFString.h" 37 #include <v8.h> 38 39 namespace blink { 40 41 class ExceptionState; 42 43 typedef int ExceptionCode; 44 45 class IgnorableExceptionState FINAL : public ExceptionState { 46 public: IgnorableExceptionState()47 IgnorableExceptionState(): ExceptionState(ExceptionState::UnknownContext, 0, 0, v8::Handle<v8::Object>(), 0) { } returnThis()48 ExceptionState& returnThis() { return *this; } 49 virtual void throwDOMException(const ExceptionCode&, const String& message = String()) OVERRIDE { } 50 virtual void throwTypeError(const String& message = String()) OVERRIDE { } 51 virtual void throwSecurityError(const String& sanitizedMessage, const String& unsanitizedMessage = String()) OVERRIDE { } 52 }; 53 54 #define IGNORE_EXCEPTION (::blink::IgnorableExceptionState().returnThis()) 55 56 #if ENABLE(ASSERT) 57 58 class NoExceptionStateAssertionChecker FINAL : public ExceptionState { 59 public: 60 NoExceptionStateAssertionChecker(const char* file, int line); returnThis()61 ExceptionState& returnThis() { return *this; } 62 virtual void throwDOMException(const ExceptionCode&, const String& message = String()) OVERRIDE; 63 virtual void throwTypeError(const String& message = String()) OVERRIDE; 64 virtual void throwSecurityError(const String& sanitizedMessage, const String& unsanitizedMessage = String()) OVERRIDE; 65 66 private: 67 const char* m_file; 68 int m_line; 69 }; 70 71 #define ASSERT_NO_EXCEPTION (::blink::NoExceptionStateAssertionChecker(__FILE__, __LINE__).returnThis()) 72 73 #else 74 75 #define ASSERT_NO_EXCEPTION (::blink::IgnorableExceptionState().returnThis()) 76 77 #endif 78 79 } // namespace blink 80 81 #endif // ExceptionStatePlaceholder_h 82