1 files changed, 30 insertions, 0 deletions
diff --git a/tool/ruby_vm/views/_insn_name_info.erb b/tool/ruby_vm/views/_insn_name_info.erb
new file mode 100644
index 0000000000..da65632a28
--- /dev/null
+++ b/tool/ruby_vm/views/_insn_name_info.erb
@@ -0,0 +1,30 @@
+%# -*- 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
+%# details.
+CONSTFUNC(MAYBE_UNUSED(static const char *insn_name(VALUE insn)));
+
+const char *
+insn_name(VALUE i)
+{
+    static const unsigned short o[] = {
+% a = RubyVM::Instructions.map {|i| i.name }
+% o = 0
+% a.each_slice 12 do |b|
+        <%= b.map {|i|
+          j = o; o += i.size + 1; sprintf("%4d", j)
+        }.join(', ') %>,
+% end
+    };
+    static const char t[] = {
+% a.each_slice 2 do |b|
+        <%= b.map {|i| sprintf("%-30s", cstr(i)) }.join(' "\0" ') %> "\0"
+% end
+    };
+
+    ASSERT_VM_INSTRUCTION_SIZE(o);
+    return &t[o[i]];
+}