module Unparser class Emitter # Base class for and and or op-assign class BinaryAssign < self children :target, :expression MAP = IceNine.deep_freeze( :and_asgn => '&&=', :or_asgn => '||=' ) handle(*MAP.keys) private # Perform dispatch # # @return [undefined] # # @api private # def dispatch visit(target) write(WS, MAP.fetch(node.type), WS) visit(expression) end end # BinaryAssign # Emitter for op assign class OpAssign < self handle :op_asgn private # Perform dispatch # # @return [undefined] # # @api private # def dispatch visit(first_child) emit_operator visit(children[2]) end # Emit operator # # @return [undefined] # # @api private # def emit_operator write(WS, children[1].to_s, T_ASN, WS) end end # OpAssign end # Emitte end # Unparser