Sha256: 7a46542bca87903c61a7b23432457d3d264d8be1d43cbdb4f044b87e64954eb8
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Size: 1.91 KB
Versions: 6
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Contents
# encoding: utf-8 module Unparser class Emitter # Emitter for postconditions class Post < self include Unterminated handle :while_post, :until_post children :condition, :body MAP = { while_post: K_WHILE, until_post: K_UNTIL }.freeze handle(*MAP.keys) # Perform dispatch # # @return [undefined] # # @api private # def dispatch visit(body) write(WS, MAP.fetch(node.type), WS) visit(condition) end end # Base class for while and until emitters class Repetition < self include Terminated MAP = { while: K_WHILE, until: K_UNTIL }.freeze handle(*MAP.keys) children :condition, :body private # Perform dispatch # # @return [undefined] # # @api private # def dispatch if postcontrol? emit_postcontrol else emit_normal end end # Test if node must be emitted in postcontrol form # # @return [Boolean] # # @api private # def postcontrol? return false unless body local_variable_scope.first_assignment_in_body_and_used_in_condition?(body, condition) end # Emit keyword # # @return [undefined] # # @api private # def emit_keyword write(MAP.fetch(node.type), WS) end # Emit embedded # # @return [undefned] # # @api private # def emit_normal emit_keyword visit(condition) emit_body k_end end # Emit postcontrol # # @return [undefined] # # @api private # def emit_postcontrol visit_plain(body) ws emit_keyword visit_plain(condition) end end # Repetition end # Emitter end # Unparser
Version data entries
6 entries across 6 versions & 1 rubygems