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ruby--ruby/tool/ruby_vm/views/_insn_name_info.erb

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%# -*- C -*-
%# 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.
%
% a = RubyVM::Instructions.map {|i| i.name }
% b = (0...a.size)
% c = a.inject([0]) {|r, i| r << (r[-1] + i.length + 1) }
% c.pop
%
CONSTFUNC(MAYBE_UNUSED(static const char *insn_name(VALUE insn)));
RUBY_SYMBOL_EXPORT_BEGIN /* for debuggers */
extern const int rb_vm_max_insn_name_size;
extern const char rb_vm_insn_name_base[];
extern const unsigned short rb_vm_insn_name_offset[VM_INSTRUCTION_SIZE];
RUBY_SYMBOL_EXPORT_END
#ifdef RUBY_VM_INSNS_INFO
const int rb_vm_max_insn_name_size = <%= a.map(&:size).max %>;
const char rb_vm_insn_name_base[] =
% a.each do |i|
<%=cstr i%> "\0"
% end
;
const unsigned short rb_vm_insn_name_offset[] = {
% c.each_slice 12 do |d|
<%= d.map {|i| sprintf("%4d", i) }.join(', ') %>,
% end
};
ASSERT_VM_INSTRUCTION_SIZE(rb_vm_insn_name_offset);
#endif
const char *
insn_name(VALUE i)
{
return &rb_vm_insn_name_base[rb_vm_insn_name_offset[i]];
}