free_mutant/lib/mutant/loader.rb
2013-06-14 21:11:54 +02:00

58 lines
968 B
Ruby

module Mutant
# Base class for code loaders
class Loader
include AbstractType
extend MethodObject
private
# Run the loader
#
# @return [undefined]
#
# @api private
#
abstract_method :run
# Initialize and insert mutation into vm
#
# @param [Parser::AST::Node] root
# @param [Subject] subject
#
# @return [undefined]
#
# @api private
#
def initialize(root, subject)
@root, @subject = root, subject
run
end
# Eval based loader
class Eval < self
private
# Run loader
#
# @return [undefined]
#
# @api private
#
def run
Kernel.eval(source, TOPLEVEL_BINDING, @subject.source_path, @subject.source_line)
end
# Return source
#
# @return [String]
#
# @api private
#
def source
Unparser.unparse(@root)
end
end # Eval
end # Loader
end # Mutant