127 lines
2.5 KiB
Ruby
127 lines
2.5 KiB
Ruby
# encoding: utf-8
|
|
|
|
module Mutant
|
|
class Context
|
|
# Scope context for mutation (Class or Module)
|
|
class Scope < self
|
|
include Adamantium::Flat, Equalizer.new(:scope, :source_path)
|
|
extend NodeHelpers
|
|
|
|
# Return AST wrapping mutated node
|
|
#
|
|
# @return [Parser::AST::Node]
|
|
#
|
|
# @api private
|
|
#
|
|
def root(node)
|
|
nesting.reverse.reduce(node) do |current, scope|
|
|
self.class.wrap(scope, current)
|
|
end
|
|
end
|
|
|
|
# Return identification
|
|
#
|
|
# @return [String]
|
|
#
|
|
# @api private
|
|
#
|
|
def identification
|
|
scope.name
|
|
end
|
|
|
|
# Wrap node into ast node
|
|
#
|
|
# @param [Class, Module] scope
|
|
# @param [Parser::AST::Node] node
|
|
#
|
|
# @return [Parser::AST::Class]
|
|
# if scope is of kind Class
|
|
#
|
|
# @return [Parser::AST::Module]
|
|
# if scope is of kind module
|
|
#
|
|
# @api private
|
|
#
|
|
def self.wrap(scope, node)
|
|
name = s(:const, nil, scope.name.split('::').last.to_sym)
|
|
case scope
|
|
when ::Class
|
|
s(:class, name, nil, node)
|
|
when ::Module
|
|
s(:module, name, node)
|
|
else
|
|
raise "Cannot wrap scope: #{scope.inspect}"
|
|
end
|
|
end
|
|
|
|
# Return nesting
|
|
#
|
|
# @return [Enumerable<Class,Module>]
|
|
#
|
|
# @api private
|
|
#
|
|
def nesting
|
|
const = ::Object
|
|
name_nesting.each_with_object([]) do |name, nesting|
|
|
const = const.const_get(name)
|
|
nesting << const
|
|
end
|
|
end
|
|
memoize :nesting
|
|
|
|
# Return unqualified name of scope
|
|
#
|
|
# @return [String]
|
|
#
|
|
# @api private
|
|
#
|
|
def unqualified_name
|
|
name_nesting.last
|
|
end
|
|
|
|
# Return name
|
|
#
|
|
# @return [String]
|
|
#
|
|
# @api private
|
|
#
|
|
def name
|
|
scope.name
|
|
end
|
|
|
|
# Return scope wrapped by context
|
|
#
|
|
# @return [::Module|::Class]
|
|
#
|
|
# @api private
|
|
#
|
|
attr_reader :scope
|
|
|
|
private
|
|
|
|
# Initialize object
|
|
#
|
|
# @param [Object] scope
|
|
# @param [String] source_path
|
|
#
|
|
# @api private
|
|
#
|
|
def initialize(scope, source_path)
|
|
super(source_path)
|
|
@scope = scope
|
|
end
|
|
|
|
# Return nesting of names of scope
|
|
#
|
|
# @return [Array<String>]
|
|
#
|
|
# @api private
|
|
#
|
|
def name_nesting
|
|
scope.name.split('::')
|
|
end
|
|
memoize :name_nesting
|
|
|
|
end # Scope
|
|
end # Context
|
|
end # Mutant
|