129 lines
2.4 KiB
Ruby
129 lines
2.4 KiB
Ruby
module Mutant
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# Base class for code loaders
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class Loader
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include AbstractClass
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extend MethodObject
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private
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# Run the loader
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#
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# @return [undefined]
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#
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# @api private
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#
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abstract_method :run
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# Initialize and insert mutation into vm
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#
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# @param [Rubinius::AST::Script] root
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#
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# @return [undefined]
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#
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# @api private
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#
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def initialize(root)
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@root = Helper.deep_clone(root)
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run
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end
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# Eval based loader
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class Eval < self
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private
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# Run loader
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#
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# @return [undefined]
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#
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# @api private
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#
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def run
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eval(source, TOPLEVEL_BINDING)
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end
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# Return source
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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 source
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ToSource.to_source(@root)
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end
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end
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# Rubinius script node based loaded
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class Rubinius < self
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private
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# Run loader
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#
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# @return [undefined]
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#
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# @api private
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#
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def run(root)
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Rubinius.run_script(compiled_code)
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end
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# Return compiled code
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#
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# @return [Rubinius::CompiledCode]
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#
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# @api private
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#
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# FIXME: rbx on travis is older than on my devbox.
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#
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def compiled_code
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_script = script
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_script.respond_to?(:compiled_code) ? _script.compiled_code : _script.compiled_method
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end
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# Return code script
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#
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# @return [Rubinius::CompiledCode::Script]
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#
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# @api private
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#
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def script
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compiled_code_raw.create_script
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end
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# Return compiled code for node
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#
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# @return [Rubinius::CompiledCode]
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#
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# @api private
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#
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def compiled_code_raw
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compiler.run
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end
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# Return compiler loaded with mutated ast
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#
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# @return [Rubinius::Compiler]
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#
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# @api private
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#
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def compiler
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Rubinius::Compiler.new(:bytecode, :compiled_method).tap do |compiler|
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compiler.generator.input(@root)
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end
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end
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# Return script node
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#
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# @param [Rubinius::AST::Node] node
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#
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# @return [Rubinius::AST::Script]
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#
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# @api private
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#
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def script(node)
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Rubinius::AST::Script.new(node).tap do |script|
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script.file = source_path
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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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