mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
8a72c77c79
as requested by devs, support for BASERUBY prior to 2.1 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61786 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
41 lines
1.1 KiB
Ruby
41 lines
1.1 KiB
Ruby
#! /your/favourite/path/to/ruby
|
|
# -*- mode: ruby; coding: utf-8; indent-tabs-mode: nil; ruby-indent-level: 2 -*-
|
|
# -*- frozen_string_literal: true; -*-
|
|
# -*- warn_indent: true; -*-
|
|
#
|
|
# Copyright (c) 2017 Urabe, Shyouhei. All rights reserved.
|
|
#
|
|
# This file is a part of the programming language Ruby. Permission is hereby
|
|
# granted, to either redistribute and/or modify this file, provided that the
|
|
# conditions mentioned in the file COPYING are met. Consult the file for
|
|
# details.
|
|
|
|
require_relative '../helpers/c_escape.rb'
|
|
|
|
class RubyVM::CExpr
|
|
include RubyVM::CEscape
|
|
|
|
attr_reader :__FILE__, :__LINE__, :expr
|
|
|
|
def initialize opts = {}
|
|
@__FILE__ = opts[:location][0]
|
|
@__LINE__ = opts[:location][1]
|
|
@expr = opts[:expr]
|
|
end
|
|
|
|
# blank, in sense of C program.
|
|
RE = %r'\A{\g<s>*}\z|\A(?<s>\s|/[*][^*]*[*]+([^*/][^*]*[*]+)*/)*\z'
|
|
if RUBY_VERSION > '2.4' then
|
|
def blank?
|
|
RE.match? @expr
|
|
end
|
|
else
|
|
def blank?
|
|
RE =~ @expr
|
|
end
|
|
end
|
|
|
|
def inspect
|
|
sprintf "#<%s:%d %s>", @__FILE__, @__LINE__, @expr
|
|
end
|
|
end
|