1 files changed, 34 insertions, 0 deletions
diff --git a/tool/ruby_vm/loaders/opt_insn_unif_def.rb b/tool/ruby_vm/loaders/opt_insn_unif_def.rb
new file mode 100644
index 0000000000..a5af409e71
--- /dev/null
+++ b/tool/ruby_vm/loaders/opt_insn_unif_def.rb
@@ -0,0 +1,34 @@
+#! /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/scanner'
+
+json    = []
+scanner = RubyVM::Scanner.new '../../../defs/opt_insn_unif.def'
+path    = scanner.__FILE__
+until scanner.eos? do
+  next  if scanner.scan(/ ^ (?: \#.* )? \n /x)
+  break if scanner.scan(/ ^ __END__ $ /x)
+
+  pos = scanner.scan!(/(?<series>  (?: [\ \t]* \w+ )+ ) \n /mx)
+  json << {
+    location: [path, pos],
+    signature: scanner["series"].strip.split
+  }
+end
+
+RubyVM::OptInsnUnifDef = json
+
+if __FILE__ == $0 then
+  require 'json'
+  JSON.dump RubyVM::OptInsnUnifDef, STDOUT
+end