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comparison graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/core/ArrayRestNode.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.core;
11
12 import com.oracle.truffle.api.*;
13 import com.oracle.truffle.api.frame.*;
14 import com.oracle.truffle.api.nodes.*;
15 import com.oracle.truffle.ruby.nodes.*;
16 import com.oracle.truffle.ruby.runtime.*;
17 import com.oracle.truffle.ruby.runtime.core.array.*;
18
19 /**
20 * Take the rest of values in an array after an index, without using any method lookup. This isn't a
21 * call - it's an operation on a core class.
22 */
23 @NodeInfo(shortName = "array-rest")
24 public final class ArrayRestNode extends RubyNode {
25
26 final int begin;
27 @Child protected RubyNode array;
28
29 public ArrayRestNode(RubyContext context, SourceSection sourceSection, int begin, RubyNode array) {
30 super(context, sourceSection);
31 this.begin = begin;
32 this.array = adoptChild(array);
33 }
34
35 @Override
36 public Object execute(VirtualFrame frame) {
37 final RubyArray arrayObject = (RubyArray) array.execute(frame);
38 return arrayObject.getRangeExclusive(begin, arrayObject.size());
39 }
40
41 }