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+%# -*- mode:c; style:ruby; coding: utf-8; indent-tabs-mode: nil -*-
+%# 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
+%#
+typedef long OFFSET;
+typedef unsigned long lindex_t;
+typedef VALUE GENTRY;
+typedef rb_iseq_t *ISEQ;
+
+#define CALL_ATTRIBUTE(name, insn, ...) attr_ ## name ## _ ## insn(__VA_ARGS__)
+
+% attrs = RubyVM::Instructions.map(&:attributes).flatten
+%
+% attrs.each do |a|
+PUREFUNC(MAYBE_UNUSED(static <%= a.declaration %>));
+% end
+%
+% attrs.each do |a|
+
+/* <%= a.pretty_name %> */
+<%= a.definition %>
+{
+% str = render_c_expr a.expr
+% case str when /\A#/ then
+ return
+<%= str -%>
+% else
+ return <%= str -%>
+% end
+}
+% end