137 lines
2.3 KiB
Ruby
137 lines
2.3 KiB
Ruby
module Mutant
|
|
# Subject of a mutation
|
|
class Subject
|
|
include AbstractType, Adamantium::Flat, Enumerable
|
|
include Concord::Public.new(:context, :node)
|
|
|
|
# Return mutations
|
|
#
|
|
# @return [Enumerable<Mutation>]
|
|
#
|
|
# @api private
|
|
#
|
|
def mutations
|
|
mutations = []
|
|
generate_mutations(mutations)
|
|
mutations
|
|
end
|
|
memoize :mutations
|
|
|
|
# Return source path
|
|
#
|
|
# @return [String]
|
|
#
|
|
# @api private
|
|
#
|
|
def source_path
|
|
context.source_path
|
|
end
|
|
|
|
# Prepare the subject for the insertion of mutation
|
|
#
|
|
# @return [self]
|
|
#
|
|
# @api private
|
|
#
|
|
def prepare
|
|
self
|
|
end
|
|
|
|
# Return source line
|
|
#
|
|
# @return [Fixnum]
|
|
#
|
|
# @api private
|
|
#
|
|
def source_line
|
|
node.location.expression.line
|
|
end
|
|
|
|
# Return subject identification
|
|
#
|
|
# @return [String]
|
|
#
|
|
# @api private
|
|
#
|
|
def identification
|
|
"#{expression.syntax}:#{source_path}:#{source_line}"
|
|
end
|
|
memoize :identification
|
|
|
|
# Return source representation of ast
|
|
#
|
|
# @return [String]
|
|
#
|
|
# @api private
|
|
#
|
|
def source
|
|
Unparser.unparse(node)
|
|
end
|
|
memoize :source
|
|
|
|
# Return root AST for node
|
|
#
|
|
# @param [Parser::AST::Node] node
|
|
#
|
|
# @return [Parser::AST::Node]
|
|
#
|
|
# @api private
|
|
#
|
|
def root(node)
|
|
context.root(node)
|
|
end
|
|
|
|
# Return root AST node for original AST ndoe
|
|
#
|
|
# @return [Parser::AST::Node]
|
|
#
|
|
# @api private
|
|
#
|
|
def original_root
|
|
root(node)
|
|
end
|
|
memoize :original_root
|
|
|
|
# Return match expression
|
|
#
|
|
# @return [Expression]
|
|
#
|
|
# @api private
|
|
#
|
|
abstract_method :expression
|
|
|
|
# Return match expressions
|
|
#
|
|
# @return [Enumerable<Expression>]
|
|
#
|
|
# @api private
|
|
#
|
|
def match_expressions
|
|
[expression].concat(context.match_expressions)
|
|
end
|
|
memoize :match_expressions
|
|
|
|
private
|
|
|
|
# Return neutral mutation
|
|
#
|
|
# @return [Mutation::Neutral]
|
|
#
|
|
# @api private
|
|
#
|
|
def noop_mutation
|
|
Mutation::Neutral::Noop.new(self, node)
|
|
end
|
|
|
|
# Generate mutations
|
|
#
|
|
# @param [#<<] emitter
|
|
#
|
|
# @return [undefined]
|
|
#
|
|
# @api private
|
|
#
|
|
abstract_method :generate_mutations
|
|
|
|
end # Subject
|
|
end # Mutant
|