Sha256: deeadf0f591537f47e6f1b64e34b2a4377a247964a8890d05ed5641a12747ac8
Contents?: true
Size: 901 Bytes
Versions: 6
Compression:
Stored size: 901 Bytes
Contents
# frozen_string_literal: true
require 'opal/nodes/base'
module Opal
module Nodes
module Args
# Compiles extraction of a single inline optional argument
# def m(a = 1); end
# ^^^^^
#
# This node doesn't exist in the original AST,
# InlineArgs rewriter creates it to simplify compilation
#
# Sometimes the argument can't be inlined.
# In such cases InlineArgs rewriter replaces
# s(:optarg, :arg_name, ...default value...)
# to:
# s(:fakearg) + s(:extract_post_optarg, :arg_name, ...default value...)
#
class ExtractOptargNode < Base
handle :extract_optarg
children :name, :default_value
def compile
return if default_value.children[1] == :undefined
line "if (#{name} == null) #{name} = ", expr(default_value), ";"
end
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems