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comparison graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/cast/SplatCastNode.java @ 13529:856c2c294f84

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Merge.
author Christian Humer <christian.humer@gmail.com>
date Tue, 07 Jan 2014 18:53:04 +0100
parents 0fbee3eb71f0
children
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13528:5a0c694ef735 13529:856c2c294f84
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.nodes.cast;
11
12 import com.oracle.truffle.api.*;
13 import com.oracle.truffle.api.dsl.*;
14 import com.oracle.truffle.api.frame.*;
15 import com.oracle.truffle.api.nodes.*;
16 import com.oracle.truffle.ruby.nodes.*;
17 import com.oracle.truffle.ruby.runtime.*;
18 import com.oracle.truffle.ruby.runtime.core.array.*;
19
20 /**
21 * Splat as used to cast a value to an array if it isn't already, as in {@code *value}.
22 */
23 @NodeInfo(shortName = "cast-splat")
24 @NodeChild("child")
25 public abstract class SplatCastNode extends RubyNode {
26
27 public SplatCastNode(RubyContext context, SourceSection sourceSection) {
28 super(context, sourceSection);
29 }
30
31 public SplatCastNode(SplatCastNode prev) {
32 super(prev);
33 }
34
35 protected abstract RubyNode getChild();
36
37 @Specialization
38 public RubyArray doArray(RubyArray array) {
39 return array;
40 }
41
42 @Specialization
43 public RubyArray doObject(Object object) {
44 if (object instanceof RubyArray) {
45 return (RubyArray) object;
46 } else {
47 return RubyArray.specializedFromObject(getContext().getCoreLibrary().getArrayClass(), object);
48 }
49 }
50
51 @Override
52 public void executeVoid(VirtualFrame frame) {
53 getChild().executeVoid(frame);
54 }
55
56 }