free_mutant/lib/mutant/expression/methods.rb
2014-07-06 02:44:55 +00:00

62 lines
1.1 KiB
Ruby

module Mutant
class Expression
# Abstrat base class for methods expression
class Methods < self
MATCHERS = {
'.' => Matcher::Methods::Singleton,
'#' => Matcher::Methods::Instance
}.freeze
register(
/\A(?<scope_name>#{SCOPE_PATTERN})(?<scope_symbol>[.#])\z/
)
# Return method matcher
#
# @param [Env] env
#
# @return [Matcher::Method]
#
# @api private
#
def matcher(env)
MATCHERS.fetch(scope_symbol).new(env, scope)
end
private
# Return scope name
#
# @return [String]
#
# @api private
#
def scope_name
match[__method__]
end
# Return scope
#
# @return [Class, Method]
#
# @api private
#
def scope
Mutant.constant_lookup(scope_name)
end
# Return scope symbol
#
# @return [Symbol]
#
# @api private
#
def scope_symbol
match[__method__]
end
end # Method
end # Expression
end # Mutant