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https://github.com/darlinghq/darling-JavaScriptCore.git
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101 lines
3.2 KiB
Ruby
101 lines
3.2 KiB
Ruby
# Copyright (C) 2018-2019 Apple Inc. 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
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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# THE POSSIBILITY OF SUCH DAMAGE.
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require_relative 'Fits'
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class Argument
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attr_reader :name
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attr_reader :index
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def initialize(name, type, index)
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@optional = name[-1] == "?"
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@name = @optional ? name[0...-1] : name
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@type = type
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@index = index
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end
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def field
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"#{@type.to_s} #{field_name};"
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end
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def create_param
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"#{@type.to_s} #{@name}"
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end
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def create_reference_param
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"#{@type.to_s}& #{@name}"
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end
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def field_name
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"m_#{@name}"
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end
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def fits_check(size)
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Fits::check size, @name, @type
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end
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def fits_write(size)
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Fits::write size, @name, @type
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end
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def assert_fits(size)
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"ASSERT((#{fits_check size}));"
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end
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def load_from_stream(index, size)
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"#{field_name}(#{Fits::convert(size, "stream[#{index}]", @type)})"
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end
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def setter(traits)
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<<-EOF
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template<typename Functor>
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void set#{capitalized_name}(#{@type.to_s} value, Functor func)
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{
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if (isWide32<#{traits}>())
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set#{capitalized_name}<OpcodeSize::Wide32>(value, func);
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else if (isWide16<#{traits}>())
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set#{capitalized_name}<OpcodeSize::Wide16>(value, func);
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else
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set#{capitalized_name}<OpcodeSize::Narrow>(value, func);
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}
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template <OpcodeSize size, typename Functor>
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void set#{capitalized_name}(#{@type.to_s} value, Functor func)
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{
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if (!#{Fits::check "size", "value", @type})
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value = func();
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auto* stream = bitwise_cast<typename TypeBySize<size>::unsignedType*>(reinterpret_cast<uint8_t*>(this) + #{@index} * size + PaddingBySize<size>::value + /* Opcode size */ 1);
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*stream = #{Fits::convert "size", "value", @type};
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}
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EOF
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end
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def capitalized_name
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@capitalized_name ||= @name.to_s.split('_').map do |word|
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letters = word.split('')
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letters.first.upcase!
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letters.join
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end.join
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end
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end
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