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# frozen_string_literal: true
module Unparser
class Emitter
# Emitter for various variable accesses
class Variable < self
handle :ivar, :lvar, :cvar, :gvar, :back_ref
children :name
private
def dispatch
write(name.to_s)
end
end # Access
# Emitter for constant access
class Const < self
handle :const
children :scope, :name
private
def dispatch
emit_scope
write(name.to_s)
end
def emit_scope
return unless scope
visit(scope)
write('::') unless n_cbase?(scope)
end
end
# Emitter for nth_ref nodes (regexp captures)
class NthRef < self
PREFIX = '$'.freeze
handle :nth_ref
children :name
private
def dispatch
write(PREFIX)
write(name.to_s)
end
end # NthRef
end # Emitter
end # Unparser
|
