85 lines
1.4 KiB
Ruby
85 lines
1.4 KiB
Ruby
module Mutant
|
|
# Represent a mutatable AST and its context
|
|
class Mutatee
|
|
include Veritas::Immutable, Enumerable
|
|
|
|
# Return context
|
|
#
|
|
# @return [Context]
|
|
#
|
|
# @api private
|
|
#
|
|
attr_reader :context
|
|
|
|
# Return AST node
|
|
#
|
|
# @return [Rubinius::AST::Node]
|
|
#
|
|
# @api private
|
|
#
|
|
attr_reader :node
|
|
|
|
# Enumerate possible mutations
|
|
#
|
|
# @return [self]
|
|
# returns self if block given
|
|
#
|
|
# @return [Enumerator]
|
|
# returns eumerator if no block given
|
|
#
|
|
# @api private
|
|
#
|
|
def each(&block)
|
|
return to_enum unless block_given?
|
|
Mutator.each(node, &block)
|
|
|
|
self
|
|
end
|
|
|
|
# Reset implementation to original
|
|
#
|
|
# This method inserts the original node again.
|
|
#
|
|
# @return [self]
|
|
#
|
|
# @api private
|
|
#
|
|
def reset
|
|
insert(@node)
|
|
|
|
self
|
|
end
|
|
|
|
private
|
|
|
|
# Initialize a mutatee
|
|
#
|
|
# @param [Context] context
|
|
# the context of mutations
|
|
#
|
|
# @param [Rubinius::AST::Node] node
|
|
# the node to be mutated
|
|
#
|
|
# @return [unkown]
|
|
#
|
|
# @api private
|
|
#
|
|
def initialize(context, node)
|
|
@context, @node = context, node
|
|
end
|
|
|
|
# Insert AST node under context
|
|
#
|
|
# @param [Rubinius::AST::Node] node
|
|
#
|
|
# @return [self]
|
|
#
|
|
# @api private
|
|
#
|
|
def insert(node)
|
|
Loader.load(context.root(node))
|
|
|
|
self
|
|
end
|
|
end
|
|
end
|