001f3c7d99
* Add a Mutant::Loader::Eval that loads code via Kernel#eval * Move Mutnat::Loader to Mutant::Loader::Rubinius (currently not used)
141 lines
2.9 KiB
Ruby
141 lines
2.9 KiB
Ruby
module Zombie
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# Setup zombie
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#
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# @return [self]
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#
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# @api private
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#
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def self.setup
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files.each do |path|
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path = "#{File.expand_path(path, root)}.rb"
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ast = File.read(path).to_ast
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zombify(ast, path)
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end
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self
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end
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# Return library root directory
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#
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# @return [String]
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#
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# @api private
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#
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def self.root
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File.expand_path('../../../lib',__FILE__)
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end
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private_class_method :root
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# Replace Mutant with Zombie namespace
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#
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# @param [Rubinius::AST::Node]
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#
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# @api private
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#
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# @return [undefined]
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#
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def self.zombify(root, path)
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node = find_mutant(root)
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unless node
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raise "unable to find mutant in AST from: #{path.inspect}"
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end
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name = node.name
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node.name = Rubinius::AST::ModuleName.new(name.line, :Zombie)
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scope = node.body
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unless scope.kind_of?(Rubinius::AST::EmptyBody)
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node.body = Rubinius::AST::ModuleScope.new(scope.line, node.name, scope.body)
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end
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::Mutant::Loader::Eval.run(root)
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end
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private_class_method :zombify
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# Find mutant module in AST
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#
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# @param [Rubinius::AST::Node]
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#
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# @return [Rubinius::AST::Node]
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#
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def self.find_mutant(root)
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if is_mutant?(root)
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return root
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end
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unless root.kind_of?(Rubinius::AST::Block)
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raise "Cannot find mutant in: #{root.class}"
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end
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root.array.each do |node|
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return node if is_mutant?(node)
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end
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nil
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end
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private_class_method :find_mutant
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# Test if node is mutant module
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#
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# @param [Rubinius::AST::Node]
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#
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# @return [true]
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# returns true if node is the mutant module
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#
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# @return [false]
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# returns false otherwise
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#
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# @api private
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#
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def self.is_mutant?(node)
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node.kind_of?(Rubinius::AST::Module) && is_mutant_name?(node.name)
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end
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private_class_method :is_mutant?
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# Test if node is mutant module name
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#
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# @param [Rubinius::AST::ModuleName]
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#
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# @return [true]
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# returns true if node is the mutant module name
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#
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# @return [false]
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# returns false otherwise
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#
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# @api private
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#
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def self.is_mutant_name?(node)
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node.name == :Mutant
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end
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private_class_method :is_mutant_name?
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# Return all library files the mutant is made of.
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#
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# @return [Array<String>]
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#
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# @api private
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#
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# FIXME:
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# Yeah looks very ugly but im currently to exited to do a cleanup.
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#
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def self.files
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block = File.read("lib/mutant.rb").to_ast
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files = block.array.select do |node|
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node.class == Rubinius::AST::SendWithArguments &&
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node.receiver.class == Rubinius::AST::Self &&
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node.name == :require
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end.map do |node|
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arguments = node.arguments.array
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raise unless arguments.one?
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argument = arguments.first
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raise unless argument.class == Rubinius::AST::StringLiteral
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argument.string
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end.select do |file|
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file =~ /\Amutant/
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end
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end
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private_class_method :files
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end
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