85 lines
1.6 KiB
Ruby
85 lines
1.6 KiB
Ruby
module Mutant
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class Matcher
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# Matcher for specific namespace
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class Namespace < self
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include Concord.new(:namespace)
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MATCHERS = [Matcher::Methods::Singleton, Matcher::Methods::Instance]
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# Enumerate subjects
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#
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# @return [self]
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# if block given
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#
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# @return [Enumerator<Subject>]
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# otherwise
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#
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# @api private
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#
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def each(&block)
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return to_enum unless block_given?
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scopes.each do |scope|
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emit_scope_matches(scope, &block)
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end
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self
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end
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private
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# Return pattern
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#
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# @return [Regexp]
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#
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# @api private
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#
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def pattern
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%r(\A#{Regexp.escape(namespace.name)}(?:::)?)
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end
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memoize :pattern
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# Yield matchers for scope
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#
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# @param [Class,Module] scope
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#
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# @return [undefined]
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#
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# @api private
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#
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def emit_scope_matches(scope, &block)
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MATCHERS.each do |matcher|
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matcher.each(scope, &block)
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end
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end
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# Return scope enumerator
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#
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# @return [Enumerable<Object>]
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#
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# @api private
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#
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def scopes(&block)
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return to_enum(__method__) unless block_given?
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::ObjectSpace.each_object(Module).each do |scope|
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emit_scope(scope, &block)
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end
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end
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# Yield scope if name matches pattern
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#
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# @param [::Module,::Class] scope
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#
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# @return [undefined]
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#
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# @api private
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#
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def emit_scope(scope)
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if pattern =~ scope.name
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yield scope
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end
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end
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end
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end
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end
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