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Diffstat (limited to 'src/3rdparty/v8/src/property-details.h')
| -rw-r--r-- | src/3rdparty/v8/src/property-details.h | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/src/3rdparty/v8/src/property-details.h b/src/3rdparty/v8/src/property-details.h deleted file mode 100644 index 510e985..0000000 --- a/src/3rdparty/v8/src/property-details.h +++ /dev/null @@ -1,147 +0,0 @@ -// Copyright 2012 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * 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. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT -// OWNER OR 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. - -#ifndef V8_PROPERTY_DETAILS_H_ -#define V8_PROPERTY_DETAILS_H_ - -#include "../include/v8.h" -#include "allocation.h" -#include "utils.h" - -// Ecma-262 3rd 8.6.1 -enum PropertyAttributes { - NONE = v8::None, - READ_ONLY = v8::ReadOnly, - DONT_ENUM = v8::DontEnum, - DONT_DELETE = v8::DontDelete, - - SEALED = DONT_ENUM | DONT_DELETE, - FROZEN = SEALED | READ_ONLY, - - ABSENT = 16 // Used in runtime to indicate a property is absent. - // ABSENT can never be stored in or returned from a descriptor's attributes - // bitfield. It is only used as a return value meaning the attributes of - // a non-existent property. -}; - - -namespace v8 { -namespace internal { - -class Smi; - -// Type of properties. -// Order of properties is significant. -// Must fit in the BitField PropertyDetails::TypeField. -// A copy of this is in mirror-debugger.js. -enum PropertyType { - // Only in slow mode. - NORMAL = 0, - // Only in fast mode. - FIELD = 1, - CONSTANT_FUNCTION = 2, - CALLBACKS = 3, - // Only in lookup results, not in descriptors. - HANDLER = 4, - INTERCEPTOR = 5, - TRANSITION = 6, - // Only used as a marker in LookupResult. - NONEXISTENT = 7 -}; - - -// PropertyDetails captures type and attributes for a property. -// They are used both in property dictionaries and instance descriptors. -class PropertyDetails BASE_EMBEDDED { - public: - PropertyDetails(PropertyAttributes attributes, - PropertyType type, - int index = 0) { - value_ = TypeField::encode(type) - | AttributesField::encode(attributes) - | DictionaryStorageField::encode(index); - - ASSERT(type == this->type()); - ASSERT(attributes == this->attributes()); - ASSERT(index == this->dictionary_index()); - } - - int pointer() { return DescriptorPointer::decode(value_); } - - PropertyDetails set_pointer(int i) { return PropertyDetails(value_, i); } - - // Conversion for storing details as Object*. - explicit inline PropertyDetails(Smi* smi); - inline Smi* AsSmi(); - - PropertyType type() { return TypeField::decode(value_); } - - PropertyAttributes attributes() const { - return AttributesField::decode(value_); - } - - int dictionary_index() { - return DictionaryStorageField::decode(value_); - } - - int descriptor_index() { - return DescriptorStorageField::decode(value_); - } - - inline PropertyDetails AsDeleted(); - - static bool IsValidIndex(int index) { - return DictionaryStorageField::is_valid(index); - } - - bool IsReadOnly() const { return (attributes() & READ_ONLY) != 0; } - bool IsDontDelete() const { return (attributes() & DONT_DELETE) != 0; } - bool IsDontEnum() const { return (attributes() & DONT_ENUM) != 0; } - bool IsDeleted() const { return DeletedField::decode(value_) != 0;} - - // Bit fields in value_ (type, shift, size). Must be public so the - // constants can be embedded in generated code. - class TypeField: public BitField<PropertyType, 0, 3> {}; - class AttributesField: public BitField<PropertyAttributes, 3, 3> {}; - class DeletedField: public BitField<uint32_t, 6, 1> {}; - class DictionaryStorageField: public BitField<uint32_t, 7, 24> {}; - class DescriptorStorageField: public BitField<uint32_t, 7, 11> {}; - class DescriptorPointer: public BitField<uint32_t, 18, 11> {}; - - static const int kInitialIndex = 1; - - private: - PropertyDetails(int value, int pointer) { - value_ = DescriptorPointer::update(value, pointer); - } - - uint32_t value_; -}; - -} } // namespace v8::internal - -#endif // V8_PROPERTY_DETAILS_H_ |