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-rw-r--r--tool/ruby_vm/helpers/scanner.rb49
1 files changed, 0 insertions, 49 deletions
diff --git a/tool/ruby_vm/helpers/scanner.rb b/tool/ruby_vm/helpers/scanner.rb
deleted file mode 100644
index 3dce6ffdfe..0000000000
--- a/tool/ruby_vm/helpers/scanner.rb
+++ /dev/null
@@ -1,49 +0,0 @@
-#! /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 'pathname'
-require 'strscan'
-
-class RubyVM::Scanner
- attr_reader :__FILE__
- attr_reader :__LINE__
-
- def initialize path
- src = Pathname.new __dir__
- src += path
- @__LINE__ = 1
- @__FILE__ = src.realpath.to_path
- str = src.read mode: 'rt:utf-8:utf-8'
- @scanner = StringScanner.new str
- end
-
- def eos?
- @scanner.eos?
- end
-
- def scan re
- ret = @__LINE__
- match = @scanner.scan re
- return unless match
- @__LINE__ += match.count "\n"
- return ret
- end
-
- def scan! re
- scan re or raise sprintf "parse error at %s:%d near:\n %s...", \
- @__FILE__, @__LINE__, @scanner.peek(32)
- end
-
- def [] key
- return @scanner[key]
- end
-end