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# frozen_string_literal: true
module Unparser
class Emitter
# Emitter for case matches
class CaseMatch < self
handle :case_match
children :target
define_group :patterns, 1..-2
private
def else_branch
children.last
end
def dispatch
write('case ')
visit(target)
nl
patterns.each(&method(:visit))
nl unless buffer.fresh_line?
emit_else_branch
k_end
end
def emit_else_branch
if else_branch
write('else')
emit_body(else_branch) unless n_empty_else?(else_branch)
nl unless buffer.fresh_line?
end
end
end # CaseMatch
end # Emitter
end # Unparser
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