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Issue 1023783009: Revert of add access checks to receivers on function callbacks (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 9 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef V8_OBJECTS_H_ 5 #ifndef V8_OBJECTS_H_
6 #define V8_OBJECTS_H_ 6 #define V8_OBJECTS_H_
7 7
8 #include <iosfwd> 8 #include <iosfwd>
9 9
10 #include "src/allocation.h" 10 #include "src/allocation.h"
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10717 static const int kFlagOffset = kAccessCheckInfoOffset + kPointerSize; 10717 static const int kFlagOffset = kAccessCheckInfoOffset + kPointerSize;
10718 static const int kLengthOffset = kFlagOffset + kPointerSize; 10718 static const int kLengthOffset = kFlagOffset + kPointerSize;
10719 static const int kSize = kLengthOffset + kPointerSize; 10719 static const int kSize = kLengthOffset + kPointerSize;
10720 10720
10721 // Returns true if |object| is an instance of this function template. 10721 // Returns true if |object| is an instance of this function template.
10722 bool IsTemplateFor(Object* object); 10722 bool IsTemplateFor(Object* object);
10723 bool IsTemplateFor(Map* map); 10723 bool IsTemplateFor(Map* map);
10724 10724
10725 // Returns the holder JSObject if the function can legally be called with this 10725 // Returns the holder JSObject if the function can legally be called with this
10726 // receiver. Returns Heap::null_value() if the call is illegal. 10726 // receiver. Returns Heap::null_value() if the call is illegal.
10727 Handle<Object> GetCompatibleReceiver(Isolate* isolate, 10727 Object* GetCompatibleReceiver(Isolate* isolate, Object* receiver);
10728 Handle<Object> receiver,
10729 bool is_construct);
10730 10728
10731 private: 10729 private:
10732 // Bit position in the flag, from least significant bit position. 10730 // Bit position in the flag, from least significant bit position.
10733 static const int kHiddenPrototypeBit = 0; 10731 static const int kHiddenPrototypeBit = 0;
10734 static const int kUndetectableBit = 1; 10732 static const int kUndetectableBit = 1;
10735 static const int kNeedsAccessCheckBit = 2; 10733 static const int kNeedsAccessCheckBit = 2;
10736 static const int kReadOnlyPrototypeBit = 3; 10734 static const int kReadOnlyPrototypeBit = 3;
10737 static const int kRemovePrototypeBit = 4; 10735 static const int kRemovePrototypeBit = 4;
10738 static const int kDoNotCacheBit = 5; 10736 static const int kDoNotCacheBit = 5;
10739 static const int kInstantiatedBit = 6; 10737 static const int kInstantiatedBit = 6;
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11015 } else { 11013 } else {
11016 value &= ~(1 << bit_position); 11014 value &= ~(1 << bit_position);
11017 } 11015 }
11018 return value; 11016 return value;
11019 } 11017 }
11020 }; 11018 };
11021 11019
11022 } } // namespace v8::internal 11020 } } // namespace v8::internal
11023 11021
11024 #endif // V8_OBJECTS_H_ 11022 #endif // V8_OBJECTS_H_
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