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Versions: 11
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Contents
# frozen_string_literal: true
module Unparser
class Emitter
# Emitter for case nodes
class Case < self
include Terminated
handle :case
children :condition
define_group :whens, 1..-2
private
# Perform dispatch
#
# @return [undefined]
#
# @api private
#
def dispatch
write(K_CASE)
emit_condition
emit_whens
emit_else
k_end
end
# Emit else
#
# @return [undefined]
#
# @api private
#
def emit_else
else_branch = children.last
return unless else_branch
write(K_ELSE)
visit_indented(else_branch)
end
# Emit whens
#
# @return [undefined]
#
# @api private
#
def emit_whens
nl
whens.each(&method(:visit))
end
# Emit condition
#
# @return [undefined]
#
# @api private
#
def emit_condition
return unless condition
write(WS)
visit(condition)
end
end # Case
# Emitter for when nodes
class When < self
include Terminated
handle :when
define_group :captures, 0..-2
private
# Perform dispatch
#
# @return [undefined]
#
# @api private
#
def dispatch
write(K_WHEN, WS)
emit_captures
body = children.last
emit_body(body)
end
# Emit captures
#
# @return [undefined]
#
# @api private
#
def emit_captures
delimited(captures)
end
end # When
end # Emitter
end # Unparser
Version data entries
11 entries across 11 versions & 1 rubygems