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# Copyright (C) 2018-2019 Apple Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. 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.
#
# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
require_relative 'Fits'
class Argument
attr_reader :name
attr_reader :index
def initialize(name, type, index)
@optional = name[-1] == "?"
@name = @optional ? name[0...-1] : name
@type = type
@index = index
end
def field
"#{@type.to_s} #{field_name};"
end
def create_param
"#{@type.to_s} #{@name}"
end
def create_reference_param
"#{@type.to_s}& #{@name}"
end
def field_name
"m_#{@name}"
end
def fits_check(size)
Fits::check size, @name, @type
end
def fits_write(size)
Fits::write size, @name, @type
end
def assert_fits(size)
"ASSERT((#{fits_check size}));"
end
def load_from_stream(index, size)
"#{field_name}(#{Fits::convert(size, "stream[#{index}]", @type)})"
end
def setter(traits)
<<-EOF
template<typename Functor>
void set#{capitalized_name}(#{@type.to_s} value, Functor func)
{
if (isWide32<#{traits}>())
set#{capitalized_name}<OpcodeSize::Wide32>(value, func);
else if (isWide16<#{traits}>())
set#{capitalized_name}<OpcodeSize::Wide16>(value, func);
else
set#{capitalized_name}<OpcodeSize::Narrow>(value, func);
}
template <OpcodeSize size, typename Functor>
void set#{capitalized_name}(#{@type.to_s} value, Functor func)
{
if (!#{Fits::check "size", "value", @type})
value = func();
auto* stream = bitwise_cast<typename TypeBySize<size>::unsignedType*>(reinterpret_cast<uint8_t*>(this) + #{@index} * size + PaddingBySize<size>::value + /* Opcode size */ 1);
*stream = #{Fits::convert "size", "value", @type};
}
EOF
end
def capitalized_name
@capitalized_name ||= @name.to_s.split('_').map do |word|
letters = word.split('')
letters.first.upcase!
letters.join
end.join
end
end