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#! /your/favourite/path/to/ruby
# -*- Ruby -*-
# -*- 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
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