reorganize Rscons module class methods
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195
lib/rscons.rb
195
lib/rscons.rb
@ -19,6 +19,7 @@ require_relative "rscons/builders/simple_builder"
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# Namespace module for rscons classes
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module Rscons
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# Names of the default builders which will be added to all newly created
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# {Environment} objects.
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DEFAULT_BUILDERS = [
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@ -37,110 +38,114 @@ module Rscons
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# Class to represent a fatal error while building a target.
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class BuildError < RuntimeError; end
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# Remove all generated files.
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#
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# @return [void]
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def self.clean
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cache = Cache.instance
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# remove all built files
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cache.targets.each do |target|
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FileUtils.rm_f(target)
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end
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# remove all created directories if they are empty
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cache.directories.sort {|a, b| b.size <=> a.size}.each do |directory|
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next unless File.directory?(directory)
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if (Dir.entries(directory) - ['.', '..']).empty?
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Dir.rmdir(directory) rescue nil
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class << self
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# Remove all generated files.
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#
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# @return [void]
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def clean
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cache = Cache.instance
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# remove all built files
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cache.targets.each do |target|
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FileUtils.rm_f(target)
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end
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end
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cache.clear
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end
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# Return whether the given path is an absolute filesystem path.
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#
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# @param path [String] the path to examine.
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#
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# @return [Boolean] Whether the given path is an absolute filesystem path.
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def self.absolute_path?(path)
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path =~ %r{^(/|\w:[\\/])}
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end
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# Return whether the given target is a phony target.
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#
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# @param target [Symbol, String] Target name.
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#
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# @return [Boolean] Whether the given target is a phony target.
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def self.phony_target?(target)
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target.is_a?(Symbol)
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end
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# Return a new path by changing the suffix in path to suffix.
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#
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# @param path [String] The path to alter.
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# @param suffix [String] The new filename suffix, e.g. ".exe".
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#
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# @return [String] New path.
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def self.set_suffix(path, suffix)
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path.sub(/\.[^.]*$/, "") + suffix
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end
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# Return the system shell and arguments for executing a shell command.
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#
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# @return [Array<String>] The shell and flag.
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def self.get_system_shell
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@@shell ||=
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begin
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test_shell = lambda do |*args|
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begin
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"success" == IO.popen([*args, "echo success"]) do |io|
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io.read.strip
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end
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rescue
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false
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end
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# remove all created directories if they are empty
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cache.directories.sort {|a, b| b.size <=> a.size}.each do |directory|
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next unless File.directory?(directory)
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if (Dir.entries(directory) - ['.', '..']).empty?
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Dir.rmdir(directory) rescue nil
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end
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if ENV["SHELL"] and ENV["SHELL"] != "" and test_shell[ENV["SHELL"], "-c"]
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[ENV["SHELL"], "-c"]
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elsif Object.const_get("RUBY_PLATFORM") =~ /mingw/
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if test_shell["sh", "-c"]
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# Using Rscons from MSYS should use MSYS's shell.
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["sh", "-c"]
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end
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cache.clear
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end
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# Return whether the given path is an absolute filesystem path.
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#
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# @param path [String] the path to examine.
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#
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# @return [Boolean] Whether the given path is an absolute filesystem path.
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def absolute_path?(path)
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path =~ %r{^(/|\w:[\\/])}
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end
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# Return whether the given target is a phony target.
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#
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# @param target [Symbol, String] Target name.
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#
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# @return [Boolean] Whether the given target is a phony target.
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def phony_target?(target)
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target.is_a?(Symbol)
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end
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# Return a new path by changing the suffix in path to suffix.
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#
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# @param path [String] The path to alter.
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# @param suffix [String] The new filename suffix, e.g. ".exe".
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#
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# @return [String] New path.
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def set_suffix(path, suffix)
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path.sub(/\.[^.]*$/, "") + suffix
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end
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# Return the system shell and arguments for executing a shell command.
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#
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# @return [Array<String>] The shell and flag.
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def get_system_shell
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@@shell ||=
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begin
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test_shell = lambda do |*args|
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begin
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"success" == IO.popen([*args, "echo success"]) do |io|
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io.read.strip
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end
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rescue
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false
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end
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end
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if ENV["SHELL"] and ENV["SHELL"] != "" and test_shell[ENV["SHELL"], "-c"]
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[ENV["SHELL"], "-c"]
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elsif Object.const_get("RUBY_PLATFORM") =~ /mingw/
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if test_shell["sh", "-c"]
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# Using Rscons from MSYS should use MSYS's shell.
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["sh", "-c"]
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else
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["cmd", "/c"]
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end
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else
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["cmd", "/c"]
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["sh", "-c"]
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end
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else
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["sh", "-c"]
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end
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end
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end
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end
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# Return an Array containing a command used to execute commands.
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#
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# This will normally be an empty Array, but on Windows if Rscons detects
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# that it is running in MSYS then ["env"] will be returned.
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#
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# @return [Array<String>] Command used to execute commands.
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def self.command_executer
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@@command_executer ||=
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if Object.const_get("RUBY_PLATFORM") =~ /mingw/
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if ENV.keys.find {|key| key =~ /MSYS/}
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begin
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if IO.popen(["env", "echo", "success"]) {|io| io.read.strip} == "success"
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["env"]
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# Return an Array containing a command used to execute commands.
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#
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# This will normally be an empty Array, but on Windows if Rscons detects
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# that it is running in MSYS then ["env"] will be returned.
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#
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# @return [Array<String>] Command used to execute commands.
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def command_executer
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@@command_executer ||=
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if Object.const_get("RUBY_PLATFORM") =~ /mingw/
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if ENV.keys.find {|key| key =~ /MSYS/}
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begin
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if IO.popen(["env", "echo", "success"]) {|io| io.read.strip} == "success"
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["env"]
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end
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rescue
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end
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rescue
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end
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end
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end || []
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end
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end || []
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end
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# Set the command executer array.
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#
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# @param val [Array<String>] Command used to execute commands.
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#
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# @return [Array<String>] Command used to execute commands.
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def command_executer=(val)
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@@command_executer = val
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end
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# Set the command executer array.
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#
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# @param val [Array<String>] Command used to execute commands.
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#
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# @return [Array<String>] Command used to execute commands.
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def self.command_executer=(val)
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@@command_executer = val
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end
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end
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