зеркало из https://github.com/github/ruby.git
92 строки
2.3 KiB
Ruby
Executable File
92 строки
2.3 KiB
Ruby
Executable File
#!./miniruby
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show = false
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precommand = []
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while arg = ARGV[0]
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break ARGV.shift if arg == '--'
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/\A--([-\w]+)(?:=(.*))?\z/ =~ arg or break
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arg, value = $1, $2
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re = Regexp.new('\A'+arg.gsub(/\w+\b/, '\&\\w*')+'\z', "i")
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case
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when re =~ "srcdir"
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srcdir = value
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when re =~ "archdir"
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archdir = value
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when re =~ "cpu"
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precommand << "arch" << "-arch" << value
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when re =~ "extout"
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extout = value
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when re =~ "pure"
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# obsolete switch do nothing
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when re =~ "debugger"
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require 'shellwords'
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precommand.concat(value ? (Shellwords.shellwords(value) unless value == "no") : %w"gdb --args")
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when re =~ "precommand"
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require 'shellwords'
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precommand.concat(Shellwords.shellwords(value))
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when re =~ "show"
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show = true
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else
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break
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end
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ARGV.shift
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end
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srcdir ||= File.expand_path('..', File.dirname(__FILE__))
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archdir ||= '.'
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abs_archdir = File.expand_path(archdir)
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$:.unshift(abs_archdir)
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config = File.read(conffile = File.join(abs_archdir, 'rbconfig.rb'))
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config.sub!(/^(\s*)RUBY_VERSION\s*==.*(\sor\s*)$/, '\1true\2')
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config = Module.new {module_eval(config, conffile)}::RbConfig::CONFIG
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ruby = File.join(archdir, config["RUBY_INSTALL_NAME"]+config['EXEEXT'])
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unless File.exist?(ruby)
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abort "#{ruby} is not found.\nTry `make' first, then `make test', please.\n"
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end
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libs = [abs_archdir]
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extout ||= config["EXTOUT"]
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if extout
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abs_extout = File.expand_path(extout)
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libs << File.expand_path("common", abs_extout) << File.expand_path(config['arch'], abs_extout)
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end
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libs << File.expand_path("lib", srcdir)
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config["bindir"] = abs_archdir
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env = {}
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env["RUBY"] = File.expand_path(ruby)
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env["PATH"] = [abs_archdir, ENV["PATH"]].compact.join(File::PATH_SEPARATOR)
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if e = ENV["RUBYLIB"]
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libs |= e.split(File::PATH_SEPARATOR)
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end
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env["RUBYLIB"] = $:.replace(libs).join(File::PATH_SEPARATOR)
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libruby_so = File.join(abs_archdir, config['LIBRUBY_SO'])
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if File.file?(libruby_so)
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if e = config['LIBPATHENV'] and !e.empty?
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env[e] = [abs_archdir, ENV[e]].compact.join(File::PATH_SEPARATOR)
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end
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if /linux/ =~ RUBY_PLATFORM
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env["LD_PRELOAD"] = [libruby_so, ENV["LD_PRELOAD"]].compact.join(' ')
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end
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end
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ENV.update env
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cmd = [ruby]
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cmd.concat(ARGV)
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cmd.unshift(*precommand) unless precommand.empty?
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if show
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require 'shellwords'
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env.each {|k,v| puts "#{k}=#{v}"}
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puts Shellwords.join(cmd)
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end
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exec(*cmd)
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