8335cccafb
* Reduce redunrant 'Return' prefix on summaries * Improve summary line to reflect the semantics of operation better
59 lines
1.3 KiB
Ruby
59 lines
1.3 KiB
Ruby
module Mutant
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class Expression
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# Explicit method expression
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class Method < self
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include Anima.new(:scope_name, :scope_symbol, :method_name)
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private(*anima.attribute_names)
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MATCHERS = IceNine.deep_freeze(
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'.' => Matcher::Methods::Singleton,
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'#' => Matcher::Methods::Instance
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)
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METHOD_NAME_PATTERN = Regexp.union(
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/(?<method_name>[A-Za-z_][A-Za-z\d_]*[!?=]?)/,
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*AST::Types::OPERATOR_METHODS.map(&:to_s)
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).freeze
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private_constant(*constants(false))
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REGEXP = /\A#{SCOPE_NAME_PATTERN}#{SCOPE_SYMBOL_PATTERN}#{METHOD_NAME_PATTERN}\z/.freeze
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# Syntax of expression
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#
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# @return [String]
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#
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# @api private
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def syntax
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[scope_name, scope_symbol, method_name].join
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end
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memoize :syntax
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# Matcher for expression
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#
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# @param [Env] env
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#
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# @return [Matcher]
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#
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# @api private
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def matcher(env)
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methods_matcher = MATCHERS.fetch(scope_symbol).new(env, scope)
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Matcher::Filter.build(methods_matcher) { |subject| subject.expression.eql?(self) }
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end
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private
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# Scope object
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#
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# @return [Class, Method]
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#
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# @api private
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def scope
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Object.const_get(scope_name)
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end
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end # Method
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end # Expression
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end # Mutant
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