Mercurial > hg > graal-jvmci-8

annotate graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/methods/arguments/ReadDestructureArgumentNode.java @ 13514:0fbee3eb71f0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Ruby: import project.
author Chris Seaton <chris.seaton@oracle.com>
date Mon, 06 Jan 2014 17:12:09 +0000
parents
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
13514
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
1 /*
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
2 * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
3 * code is released under a tri EPL/GPL/LGPL license. You can use it,
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
4 * redistribute it and/or modify it under the terms of the:
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
5 *
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
6 * Eclipse Public License version 1.0
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
7 * GNU General Public License version 2
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
8 * GNU Lesser General Public License version 2.1
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
9 */
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
10 package com.oracle.truffle.ruby.nodes.methods.arguments;
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
11
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
12 import com.oracle.truffle.api.*;
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
13 import com.oracle.truffle.api.frame.*;
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
14 import com.oracle.truffle.api.nodes.*;
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
15 import com.oracle.truffle.ruby.nodes.*;
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
16 import com.oracle.truffle.ruby.runtime.*;
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
17 import com.oracle.truffle.ruby.runtime.core.array.*;
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
18
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
19 /**
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
20 * Assuming argument 0 is an array, read an element from that array.
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
21 */
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
22 @NodeInfo(shortName = "read-destructure-argument")
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
23 public class ReadDestructureArgumentNode extends RubyNode {
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
24
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
25 private final int index;
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
26
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
27 public ReadDestructureArgumentNode(RubyContext context, SourceSection sourceSection, int index) {
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
28 super(context, sourceSection);
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
29 this.index = index;
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
30 }
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
31
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
32 @Override
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
33 public Object execute(VirtualFrame frame) {
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
34 final RubyArray array = (RubyArray) frame.getArguments(RubyArguments.class).getArguments()[0];
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
35 return array.get(index);
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
36 }
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
37
0fbee3eb71f0 Ruby: import project.
Chris Seaton <chris.seaton@oracle.com>
parents:
diff changeset
38 }