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
33namespace blink {
34
35static 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
41static 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
47v8::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
80v8::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
90v8::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
95v8::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
101v8::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
106v8::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
112v8::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
117v8::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
123v8::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
128v8::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
134v8::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
139v8::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
145v8::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