third_party/WebKit/Source/bindings/core/v8/V8Binding.cpp - Issue 2843603002: Move ScriptWrappable and dependencies to platform/bindings

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Issue 2843603002: Move ScriptWrappable and dependencies to platform/bindings (Closed)

Patch Set: Rebase and try again Created 3 years, 7 months ago

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1 /*

2 * Copyright (C) 2006, 2007, 2008, 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 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 #include "bindings/core/v8/V8Binding.h"

32

33 #include "bindings/core/v8/V8BindingMacros.h"

34

35 namespace blink {

36

37 v8::Local<v8::Function> GetBoundFunction(v8::Local<v8::Function> function) {

38 v8::Local<v8::Value> bound_function = function->GetBoundFunction();

39 return bound_function->IsFunction()

40 ? v8::Local<v8::Function>::Cast(bound_function)

41 : function;

42 }

43

44 bool AddHiddenValueToArray(v8::Isolate* isolate,

45 v8::Local<v8::Object> object,

46 v8::Local<v8::Value> value,

47 int array_index) {

48 DCHECK(!value.IsEmpty());

49 v8::Local<v8::Value> array_value = object->GetInternalField(array_index);

50 if (array_value->IsNull() \|\| array_value->IsUndefined()) {

51 array_value = v8::Array::New(isolate);

52 object->SetInternalField(array_index, array_value);

53 }

54

55 v8::Local<v8::Array> array = v8::Local<v8::Array>::Cast(array_value);

56 return V8CallBoolean(array->CreateDataProperty(isolate->GetCurrentContext(),

57 array->Length(), value));

58 }

59

60 void RemoveHiddenValueFromArray(v8::Isolate* isolate,

61 v8::Local<v8::Object> object,

62 v8::Local<v8::Value> value,

63 int array_index) {

64 v8::Local<v8::Value> array_value = object->GetInternalField(array_index);

65 if (!array_value->IsArray())

66 return;

67 v8::Local<v8::Array> array = v8::Local<v8::Array>::Cast(array_value);

68 for (int i = array->Length() - 1; i >= 0; --i) {

69 v8::Local<v8::Value> item;

70 if (!array->Get(isolate->GetCurrentContext(), i).ToLocal(&item))

71 return;

72 if (item->StrictEquals(value)) {

73 array->Delete(isolate->GetCurrentContext(), i).ToChecked();

74 return;

75 }

76 }

77 }

78

79 v8::Local<v8::Value> FreezeV8Object(v8::Local<v8::Value> value,

80 v8::Isolate* isolate) {

81 value.As<v8::Object>()

82 ->SetIntegrityLevel(isolate->GetCurrentContext(),

83 v8::IntegrityLevel::kFrozen)

84 .ToChecked();

85 return value;

86 }

87

88 } // namespace blink

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