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Contents?: true
Size: 1.81 KB
Versions: 8
Compression:
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Contents
module Unparser
class Emitter
# Emitter for begin nodes
class Begin < self
children :body
private
# Emit inner nodes
#
# @return [undefined]
#
# @api private
#
def emit_inner
childs = children
max = childs.length - 1
childs.each_with_index do |child, index|
visit(child)
nl if index < max
end
end
# Emitter for implicit begins
class Implicit < self
handle :begin
private
# Perform dispatch
#
# @return [undefined]
#
# @api private
#
def dispatch
if parentheses?
parentheses { emit_inner }
else
emit_inner
end
end
# Test if begin node needs to be enclosed within parentheses
#
# @return [true]
# if parentheses are needed
#
# @return [false]
# otherwise
#
# @api private
#
def parentheses?
children.length == 1 && children.first.type == :send && BINARY_OPERATORS.include?(children.first.children[1])
end
end # Implicit
# Emitter for explicit begins
class Explicit < self
handle :kwbegin
private
# Perform dispatch
#
# @return [undefined]
#
# @api private
#
def dispatch
write(K_BEGIN)
emit_body
k_end
end
# Emit body
#
# @return [undefined]
#
# @api private
#
def emit_body
if NOINDENT.include?(body.type)
emit_inner
else
indented { emit_inner }
end
end
end # Explicit
end # Begin
end # Emitter
end # Unparser
Version data entries
8 entries across 8 versions & 1 rubygems