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Contents
module Unparser
class Emitter
# Emitter for case nodes
class Case < self
handle :case
children :condition
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
children[1..-2].each do |child|
visit(child)
end
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
handle :when
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(children[0..-2])
end
end
end # Emitter
end # Unparser
Version data entries
16 entries across 16 versions & 1 rubygems