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-rw-r--r--tool/ruby_vm/models/attribute.rb44
1 files changed, 44 insertions, 0 deletions
diff --git a/tool/ruby_vm/models/attribute.rb b/tool/ruby_vm/models/attribute.rb
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+#! /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 'c_expr'
+
+class RubyVM::Attribute
+ include RubyVM::CEscape
+ attr_reader :insn, :key, :type, :expr
+
+ def initialize insn:, name:, type:, location:, expr:
+ @insn = insn
+ @key = name
+ @expr = RubyVM::CExpr.new location: location, expr: expr
+ @type = type
+ end
+
+ def name
+ as_tr_cpp "attr #{@key} @ #{@insn.name}"
+ end
+
+ def pretty_name
+ "attr #{type} #{key} @ #{insn.pretty_name}"
+ end
+
+ def declaration
+ argv = @insn.opes.map {|o| o[:decl] }.join(', ')
+ sprintf '%s %s(%s)', @type, name, argv
+ end
+
+ def definition
+ argv = @insn.opes.map {|o| "MAYBE_UNUSED(#{o[:decl]})" }.join(",\n ")
+ argv = "\n #{argv}\n" if @insn.opes.size > 1
+ sprintf "%s\n%s(%s)", @type, name, argv
+ end
+end