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39 lines
1.9 KiB
Ruby
39 lines
1.9 KiB
Ruby
# Copyright (c) 2021, Compiler Explorer Authors
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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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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# * 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 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
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# 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 THE
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# POSSIBILITY OF SUCH DAMAGE.
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require 'optparse'
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options = {}
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OptionParser.new do |opts|
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opts.banner = "Usage: disasm.rb [options]"
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opts.on("-i", "--inputfile FILE", "Use FILE as input") { |v| options[:inputfile] = v }
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opts.on("-o", "--outputfile FILE", "Use FILE as output") { |v| options[:outputfile] = v }
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opts.on("-n", "--fname NAME", "Use NAME as input file name") { |v| options[:fname] = v }
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end.parse!
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src = File.read(options[:inputfile])
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insns = RubyVM::InstructionSequence.compile(src, options[:fname] || options[:inputfile], options[:inputfile], 1)
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File.write(options[:outputfile], insns.disassemble)
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