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comparison graal/com.oracle.truffle.ruby.runtime/src/com/oracle/truffle/ruby/runtime/lookup/LookupTerminal.java @ 13514:0fbee3eb71f0

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Ruby: import project.
author Chris Seaton <chris.seaton@oracle.com>
date Mon, 06 Jan 2014 17:12:09 +0000
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13513:64a23ce736a0 13514:0fbee3eb71f0
1 /*
2 * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This
3 * code is released under a tri EPL/GPL/LGPL license. You can use it,
4 * redistribute it and/or modify it under the terms of the:
5 *
6 * Eclipse Public License version 1.0
7 * GNU General Public License version 2
8 * GNU Lesser General Public License version 2.1
9 */
10 package com.oracle.truffle.ruby.runtime.lookup;
11
12 import java.util.*;
13
14 import com.oracle.truffle.api.*;
15 import com.oracle.truffle.api.utilities.*;
16 import com.oracle.truffle.ruby.runtime.methods.*;
17
18 /**
19 * A terminal in the lookup graph.
20 */
21 public class LookupTerminal implements LookupNode {
22
23 public static final LookupTerminal INSTANCE = new LookupTerminal();
24
25 public boolean setClassVariableIfAlreadySet(String variableName, Object value) {
26 return false;
27 }
28
29 @Override
30 public Object lookupConstant(String constantName) {
31 return null;
32 }
33
34 @Override
35 public Object lookupClassVariable(String constantName) {
36 return null;
37 }
38
39 @Override
40 public RubyMethod lookupMethod(String methodName) {
41 return null;
42 }
43
44 @Override
45 public Assumption getUnmodifiedAssumption() {
46 return AlwaysValidAssumption.INSTANCE;
47 }
48
49 public Set<String> getClassVariables() {
50 return Collections.emptySet();
51 }
52
53 public void getMethods(Map<String, RubyMethod> methods) {
54 }
55
56 }