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# frozen_string_literal: true
module Unparser
class Emitter
# Base class for assignment emitters
class Assignment < self
BINARY_OPERATOR = %i[and or].freeze
def symbol_name
true
end
def emit_heredoc_reminders
return unless right
emitter(right).emit_heredoc_reminders
end
private
def dispatch
emit_left
emit_right
end
def emit_right
return unless right
write(' = ')
if BINARY_OPERATOR.include?(right.type)
writer_with(Writer::Binary, right).emit_operator
else
visit(right)
end
end
abstract_method :emit_left
# Variable assignment emitter
class Variable < self
handle :lvasgn, :ivasgn, :cvasgn, :gvasgn
children :name, :right
private
def emit_left
write(name.to_s)
end
end # Variable
# Constant assignment emitter
class Constant < self
handle :casgn
children :base, :name, :right
private
def emit_left
if base
visit(base)
write('::') unless n_cbase?(base)
end
write(name.to_s)
end
end # Constant
end # Assignment
end # Emitter
end # Unparser
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