1 /* 2 * Copyright (C) 2009 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 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25 #include "config.h" 26 #include "bindings/core/v8/V8ThrowException.h" 27 28 #include "bindings/core/v8/V8Binding.h" 29 #include "bindings/core/v8/V8DOMException.h" 30 #include "core/dom/DOMException.h" 31 #include "core/dom/ExceptionCode.h" 32 33 namespace blink { 34 35 static void domExceptionStackGetter(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Value>& info) 36 { 37 ASSERT(info.Data()->IsObject()); 38 v8SetReturnValue(info, info.Data()->ToObject()->Get(v8AtomicString(info.GetIsolate(), "stack"))); 39 } 40 41 static void domExceptionStackSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<void>& info) 42 { 43 ASSERT(info.Data()->IsObject()); 44 info.Data()->ToObject()->Set(v8AtomicString(info.GetIsolate(), "stack"), value); 45 } 46 47 v8::Handle<v8::Value> V8ThrowException::createDOMException(int ec, const String& sanitizedMessage, const String& unsanitizedMessage, const v8::Handle<v8::Object>& creationContext, v8::Isolate* isolate) 48 { 49 if (ec <= 0 || v8::V8::IsExecutionTerminating()) 50 return v8Undefined(); 51 52 ASSERT(ec == SecurityError || unsanitizedMessage.isEmpty()); 53 54 if (ec == V8GeneralError) 55 return V8ThrowException::createGeneralError(sanitizedMessage, isolate); 56 if (ec == V8TypeError) 57 return V8ThrowException::createTypeError(sanitizedMessage, isolate); 58 if (ec == V8RangeError) 59 return V8ThrowException::createRangeError(sanitizedMessage, isolate); 60 if (ec == V8SyntaxError) 61 return V8ThrowException::createSyntaxError(sanitizedMessage, isolate); 62 if (ec == V8ReferenceError) 63 return V8ThrowException::createReferenceError(sanitizedMessage, isolate); 64 65 RefPtrWillBeRawPtr<DOMException> domException = DOMException::create(ec, sanitizedMessage, unsanitizedMessage); 66 v8::Handle<v8::Value> exception = toV8(domException, creationContext, isolate); 67 68 if (exception.IsEmpty()) 69 return v8Undefined(); 70 71 // Attach an Error object to the DOMException. This is then lazily used to get the stack value. 72 v8::Handle<v8::Value> error = v8::Exception::Error(v8String(isolate, domException->message())); 73 ASSERT(!error.IsEmpty()); 74 ASSERT(exception->IsObject()); 75 exception->ToObject()->SetAccessor(v8AtomicString(isolate, "stack"), domExceptionStackGetter, domExceptionStackSetter, error); 76 77 return exception; 78 } 79 80 v8::Handle<v8::Value> V8ThrowException::throwDOMException(int ec, const String& sanitizedMessage, const String& unsanitizedMessage, const v8::Handle<v8::Object>& creationContext, v8::Isolate* isolate) 81 { 82 ASSERT(ec == SecurityError || unsanitizedMessage.isEmpty()); 83 v8::Handle<v8::Value> exception = createDOMException(ec, sanitizedMessage, unsanitizedMessage, creationContext, isolate); 84 if (exception.IsEmpty()) 85 return v8Undefined(); 86 87 return V8ThrowException::throwException(exception, isolate); 88 } 89 90 v8::Handle<v8::Value> V8ThrowException::createGeneralError(const String& message, v8::Isolate* isolate) 91 { 92 return v8::Exception::Error(v8String(isolate, message.isNull() ? "Error" : message)); 93 } 94 95 v8::Handle<v8::Value> V8ThrowException::throwGeneralError(const String& message, v8::Isolate* isolate) 96 { 97 v8::Handle<v8::Value> exception = V8ThrowException::createGeneralError(message, isolate); 98 return V8ThrowException::throwException(exception, isolate); 99 } 100 101 v8::Handle<v8::Value> V8ThrowException::createTypeError(const String& message, v8::Isolate* isolate) 102 { 103 return v8::Exception::TypeError(v8String(isolate, message.isNull() ? "Type error" : message)); 104 } 105 106 v8::Handle<v8::Value> V8ThrowException::throwTypeError(const String& message, v8::Isolate* isolate) 107 { 108 v8::Handle<v8::Value> exception = V8ThrowException::createTypeError(message, isolate); 109 return V8ThrowException::throwException(exception, isolate); 110 } 111 112 v8::Handle<v8::Value> V8ThrowException::createRangeError(const String& message, v8::Isolate* isolate) 113 { 114 return v8::Exception::RangeError(v8String(isolate, message.isNull() ? "Range error" : message)); 115 } 116 117 v8::Handle<v8::Value> V8ThrowException::throwRangeError(const String& message, v8::Isolate* isolate) 118 { 119 v8::Handle<v8::Value> exception = V8ThrowException::createRangeError(message, isolate); 120 return V8ThrowException::throwException(exception, isolate); 121 } 122 123 v8::Handle<v8::Value> V8ThrowException::createSyntaxError(const String& message, v8::Isolate* isolate) 124 { 125 return v8::Exception::SyntaxError(v8String(isolate, message.isNull() ? "Syntax error" : message)); 126 } 127 128 v8::Handle<v8::Value> V8ThrowException::throwSyntaxError(const String& message, v8::Isolate* isolate) 129 { 130 v8::Handle<v8::Value> exception = V8ThrowException::createSyntaxError(message, isolate); 131 return V8ThrowException::throwException(exception, isolate); 132 } 133 134 v8::Handle<v8::Value> V8ThrowException::createReferenceError(const String& message, v8::Isolate* isolate) 135 { 136 return v8::Exception::ReferenceError(v8String(isolate, message.isNull() ? "Reference error" : message)); 137 } 138 139 v8::Handle<v8::Value> V8ThrowException::throwReferenceError(const String& message, v8::Isolate* isolate) 140 { 141 v8::Handle<v8::Value> exception = V8ThrowException::createReferenceError(message, isolate); 142 return V8ThrowException::throwException(exception, isolate); 143 } 144 145 v8::Handle<v8::Value> V8ThrowException::throwException(v8::Handle<v8::Value> exception, v8::Isolate* isolate) 146 { 147 if (!v8::V8::IsExecutionTerminating()) 148 isolate->ThrowException(exception); 149 return v8::Undefined(isolate); 150 } 151 152 } // namespace blink 153
