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# frozen_string_literal: true
module Mutant
class Expression
# Abstract base class for methods expression
class Methods < self
include Anima.new(
:scope_name,
:scope_symbol
)
private(*anima.attribute_names)
MATCHERS = {
'.' => [Matcher::Methods::Singleton, Matcher::Methods::Metaclass].freeze,
'#' => [Matcher::Methods::Instance].freeze
}.freeze
private_constant(*constants(false))
REGEXP = /\A#{SCOPE_NAME_PATTERN}#{SCOPE_SYMBOL_PATTERN}\z/.freeze
def initialize(*)
super
@syntax = [scope_name, scope_symbol].join.freeze
end
# Syntax of expression
#
# @return [String]
attr_reader :syntax
# Matcher on expression
#
# @return [Matcher::Method]
def matcher
matcher_candidates = MATCHERS.fetch(scope_symbol)
.map { |submatcher| submatcher.new(scope) }
Matcher::Chain.new(matcher_candidates)
end
# Length of match with other expression
#
# @param [Expression] expression
#
# @return [Integer]
def match_length(expression)
if expression.syntax.start_with?(syntax)
syntax.length
else
0
end
end
private
def scope
Object.const_get(scope_name)
end
end # Methods
end # Expression
end # Mutant
Version data entries
29 entries across 29 versions & 1 rubygems