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94 lines
3.7 KiB
C++
94 lines
3.7 KiB
C++
/*
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* Copyright (c) 2020, Matthew Olsson <matthewcolsson@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/LogStream.h>
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#include <AK/Types.h>
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namespace JS {
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struct Attribute {
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enum {
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Configurable = 1 << 0,
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Enumerable = 1 << 1,
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Writable = 1 << 2,
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HasGetter = 1 << 3,
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HasSetter = 1 << 4,
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HasConfigurable = 1 << 5,
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HasEnumerable = 1 << 6,
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HasWritable = 1 << 7,
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};
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};
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class PropertyAttributes {
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public:
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PropertyAttributes(u8 bits = 0)
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{
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m_bits = bits;
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if (bits & Attribute::Configurable)
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m_bits |= Attribute::HasConfigurable;
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if (bits & Attribute::Enumerable)
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m_bits |= Attribute::HasEnumerable;
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if (bits & Attribute::Writable)
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m_bits |= Attribute::HasWritable;
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}
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bool is_empty() const { return !m_bits; }
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bool has_configurable() const { return m_bits & Attribute::HasConfigurable; }
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bool has_enumerable() const { return m_bits & Attribute::HasEnumerable; }
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bool has_writable() const { return m_bits & Attribute::HasWritable; }
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bool has_getter() const { return m_bits & Attribute::HasGetter; }
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bool has_setter() const { return m_bits & Attribute::HasSetter; }
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bool is_configurable() const { return m_bits & Attribute::Configurable; }
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bool is_enumerable() const { return m_bits & Attribute::Enumerable; }
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bool is_writable() const { return m_bits & Attribute::Writable; }
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void set_has_configurable() { m_bits |= Attribute::HasConfigurable; }
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void set_has_enumerable() { m_bits |= Attribute::HasEnumerable; }
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void set_has_writable() { m_bits |= Attribute::HasWritable; }
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void set_configurable() { m_bits |= Attribute::Configurable; }
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void set_enumerable() { m_bits |= Attribute::Enumerable; }
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void set_writable() { m_bits |= Attribute::Writable; }
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void set_has_getter() { m_bits |= Attribute::HasGetter; }
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void set_has_setter() { m_bits |= Attribute::HasSetter; }
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bool operator==(const PropertyAttributes& other) const { return m_bits == other.m_bits; }
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bool operator!=(const PropertyAttributes& other) const { return m_bits != other.m_bits; }
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u8 bits() const { return m_bits; }
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private:
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u8 m_bits;
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};
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const LogStream& operator<<(const LogStream& stream, const PropertyAttributes& attributes);
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const PropertyAttributes default_attributes = Attribute::Configurable | Attribute::Writable | Attribute::Enumerable;
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}
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