mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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65 lines
2.1 KiB
Ruby
65 lines
2.1 KiB
Ruby
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# Copyright (C) 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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class Checkpoint
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attr_reader :uses
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attr_reader :defs
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attr_reader :name
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attr_reader :index
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def initialize(name, index, tmps)
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@name = name
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@index = index
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@uses = tmps.filter { |(tmp, useDef)| useDef == :use }
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@defs = tmps.filter { |(tmp, useDef)| useDef == :define }
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end
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def liveness(namespace)
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EOF<--
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case #{namespace}::#{name}:
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EOF
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end
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end
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class Checkpoints
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def initialize(opcode, tmps, checkpoints)
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@opcode = opcode
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@tmps = tmps
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@checkpoints = checkpoints.map_with_index { |(name, tmps), index| Checkpoint.new(name, index, tmps) }
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end
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def liveness
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@checkpoints.each do |checkpoint|
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end
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EOF<--
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BitMap<maxNumTmps> tmpLivenessFor#{@opcode.capitalized_name}(uint8_t checkpoint)
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{
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switch (checkpoint) {
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}
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}
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EOF
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end
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end
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