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38 lines
1 KiB
Ruby
38 lines
1 KiB
Ruby
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#! /your/favourite/path/to/ruby
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# -*- mode: ruby; coding: utf-8; indent-tabs-mode: nil; ruby-indent-level: 2 -*-
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# -*- frozen_string_literal: true; -*-
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# -*- warn_indent: true; -*-
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#
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# Copyright (c) 2017 Urabe, Shyouhei. All rights reserved.
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#
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# This file is a part of the programming language Ruby. Permission is hereby
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# granted, to either redistribute and/or modify this file, provided that the
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# conditions mentioned in the file COPYING are met. Consult the file for
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# details.
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require_relative '../helpers/scanner'
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json = {}
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scanner = RubyVM::Scanner.new '../../../vm_opts.h'
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grammar = %r/
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(?<ws> \u0020 ){0}
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(?<key> \w+ ){0}
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(?<value> 0|1 ){0}
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(?<define> \#define \g<ws>+ OPT_\g<key> \g<ws>+ \g<value> \g<ws>*\n )
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/mx
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until scanner.eos? do
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if scanner.scan grammar then
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json[scanner['key']] = ! scanner['value'].to_i.zero? # not nonzero?
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else
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scanner.scan(/.*\n/)
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end
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end
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RubyVM::VmOptsH = json
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if __FILE__ == $0 then
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require 'json'
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JSON.dump RubyVM::VmOptsH, STDOUT
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end
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