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| 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 AN
Y | |
| 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 AN
Y | |
| 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 O
N | |
| 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/v8/V8ThrowException.h" | |
| 27 | |
| 28 #include "bindings/core/v8/V8DOMException.h" | |
| 29 #include "bindings/v8/V8Binding.h" | |
| 30 #include "core/dom/DOMException.h" | |
| 31 #include "core/dom/ExceptionCode.h" | |
| 32 | |
| 33 namespace WebCore { | |
| 34 | |
| 35 static void domExceptionStackGetter(v8::Local<v8::String> name, const v8::Proper
tyCallbackInfo<v8::Value>& info) | |
| 36 { | |
| 37 ASSERT(info.Data()->IsObject()); | |
| 38 v8SetReturnValue(info, info.Data()->ToObject()->Get(v8AtomicString(info.GetI
solate(), "stack"))); | |
| 39 } | |
| 40 | |
| 41 static void domExceptionStackSetter(v8::Local<v8::String> name, v8::Local<v8::Va
lue> value, const v8::PropertyCallbackInfo<void>& info) | |
| 42 { | |
| 43 ASSERT(info.Data()->IsObject()); | |
| 44 info.Data()->ToObject()->Set(v8AtomicString(info.GetIsolate(), "stack"), val
ue); | |
| 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 // FIXME: Handle other WebIDL exception types. | |
| 55 if (ec == TypeError) | |
| 56 return V8ThrowException::createTypeError(sanitizedMessage, isolate); | |
| 57 | |
| 58 RefPtrWillBeRawPtr<DOMException> domException = DOMException::create(ec, san
itizedMessage, unsanitizedMessage); | |
| 59 v8::Handle<v8::Value> exception = toV8(domException, creationContext, isolat
e); | |
| 60 | |
| 61 if (exception.IsEmpty()) | |
| 62 return v8Undefined(); | |
| 63 | |
| 64 // Attach an Error object to the DOMException. This is then lazily used to g
et the stack value. | |
| 65 v8::Handle<v8::Value> error = v8::Exception::Error(v8String(isolate, domExce
ption->message())); | |
| 66 ASSERT(!error.IsEmpty()); | |
| 67 ASSERT(exception->IsObject()); | |
| 68 exception->ToObject()->SetAccessor(v8AtomicString(isolate, "stack"), domExce
ptionStackGetter, domExceptionStackSetter, error); | |
| 69 | |
| 70 return exception; | |
| 71 } | |
| 72 | |
| 73 v8::Handle<v8::Value> V8ThrowException::throwDOMException(int ec, const String&
sanitizedMessage, const String& unsanitizedMessage, const v8::Handle<v8::Object>
& creationContext, v8::Isolate* isolate) | |
| 74 { | |
| 75 ASSERT(ec == SecurityError || unsanitizedMessage.isEmpty()); | |
| 76 v8::Handle<v8::Value> exception = createDOMException(ec, sanitizedMessage, u
nsanitizedMessage, creationContext, isolate); | |
| 77 if (exception.IsEmpty()) | |
| 78 return v8Undefined(); | |
| 79 | |
| 80 return V8ThrowException::throwError(exception, isolate); | |
| 81 } | |
| 82 | |
| 83 v8::Handle<v8::Value> V8ThrowException::createError(V8ErrorType type, const Stri
ng& message, v8::Isolate* isolate) | |
| 84 { | |
| 85 switch (type) { | |
| 86 case v8RangeError: | |
| 87 return v8::Exception::RangeError(v8String(isolate, message)); | |
| 88 case v8ReferenceError: | |
| 89 return v8::Exception::ReferenceError(v8String(isolate, message)); | |
| 90 case v8SyntaxError: | |
| 91 return v8::Exception::SyntaxError(v8String(isolate, message)); | |
| 92 case v8TypeError: | |
| 93 return v8::Exception::TypeError(v8String(isolate, message)); | |
| 94 case v8GeneralError: | |
| 95 return v8::Exception::Error(v8String(isolate, message)); | |
| 96 default: | |
| 97 ASSERT_NOT_REACHED(); | |
| 98 return v8Undefined(); | |
| 99 } | |
| 100 } | |
| 101 | |
| 102 v8::Handle<v8::Value> V8ThrowException::throwError(V8ErrorType type, const Strin
g& message, v8::Isolate* isolate) | |
| 103 { | |
| 104 v8::Handle<v8::Value> exception = V8ThrowException::createError(type, messag
e, isolate); | |
| 105 if (exception.IsEmpty()) | |
| 106 return v8Undefined(); | |
| 107 return V8ThrowException::throwError(exception, isolate); | |
| 108 } | |
| 109 | |
| 110 v8::Handle<v8::Value> V8ThrowException::createTypeError(const String& message, v
8::Isolate* isolate) | |
| 111 { | |
| 112 return v8::Exception::TypeError(v8String(isolate, message.isNull() ? "Type e
rror" : message)); | |
| 113 } | |
| 114 | |
| 115 v8::Handle<v8::Value> V8ThrowException::throwTypeError(const String& message, v8
::Isolate* isolate) | |
| 116 { | |
| 117 v8::Handle<v8::Value> exception = V8ThrowException::createTypeError(message,
isolate); | |
| 118 return V8ThrowException::throwError(exception, isolate); | |
| 119 } | |
| 120 | |
| 121 v8::Handle<v8::Value> V8ThrowException::throwError(v8::Handle<v8::Value> excepti
on, v8::Isolate* isolate) | |
| 122 { | |
| 123 if (!v8::V8::IsExecutionTerminating()) | |
| 124 isolate->ThrowException(exception); | |
| 125 return v8::Undefined(isolate); | |
| 126 } | |
| 127 | |
| 128 } // namespace WebCore | |
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