1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/*
* Copyright (C) 2012 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
*/
#include "config.h"
#include "V8ObjectConstructor.h"
#include "Frame.h"
#include "V8Binding.h"
#include "V8RecursionScope.h"
#if PLATFORM(CHROMIUM)
#include "TraceEvent.h"
#endif
namespace WebCore {
v8::Local<v8::Object> V8ObjectConstructor::newInstance(v8::Handle<v8::Function> function)
{
if (function.IsEmpty())
return v8::Local<v8::Object>();
ConstructorMode constructorMode;
V8RecursionScope::MicrotaskSuppression scope;
v8::Local<v8::Object> result = function->NewInstance();
crashIfV8IsDead();
return result;
}
v8::Local<v8::Object> V8ObjectConstructor::newInstance(v8::Handle<v8::ObjectTemplate> objectTemplate)
{
if (objectTemplate.IsEmpty())
return v8::Local<v8::Object>();
ConstructorMode constructorMode;
V8RecursionScope::MicrotaskSuppression scope;
v8::Local<v8::Object> result = objectTemplate->NewInstance();
crashIfV8IsDead();
return result;
}
v8::Local<v8::Object> V8ObjectConstructor::newInstance(v8::Handle<v8::Function> function, int argc, v8::Handle<v8::Value> argv[])
{
if (function.IsEmpty())
return v8::Local<v8::Object>();
ConstructorMode constructorMode;
V8RecursionScope::MicrotaskSuppression scope;
v8::Local<v8::Object> result = function->NewInstance(argc, argv);
crashIfV8IsDead();
return result;
}
v8::Local<v8::Object> V8ObjectConstructor::newInstanceInDocument(v8::Handle<v8::Function> function, int argc, v8::Handle<v8::Value> argv[], Document* document)
{
#if PLATFORM(CHROMIUM)
TRACE_EVENT0("v8", "v8.newInstance");
#endif
// No artificial limitations on the depth of recursion.
V8RecursionScope recursionScope(document);
v8::Local<v8::Object> result = function->NewInstance(argc, argv);
crashIfV8IsDead();
return result;
}
v8::Handle<v8::Value> V8ObjectConstructor::isValidConstructorMode(const v8::Arguments& args)
{
if (ConstructorMode::current() == ConstructorMode::CreateNewObject)
return throwTypeError("Illegal constructor", args.GetIsolate());
return args.This();
}
} // namespace WebCore
|
