01: /***** BEGIN LICENSE BLOCK *****
02: * Version: CPL 1.0/GPL 2.0/LGPL 2.1
03: *
04: * The contents of this file are subject to the Common Public
05: * License Version 1.0 (the "License"); you may not use this file
06: * except in compliance with the License. You may obtain a copy of
07: * the License at http://www.eclipse.org/legal/cpl-v10.html
08: *
09: * Software distributed under the License is distributed on an "AS
10: * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
11: * implied. See the License for the specific language governing
12: * rights and limitations under the License.
13: *
14: * Copyright (C) 2007 Ola Bini <ola@ologix.com>
15: *
16: * Alternatively, the contents of this file may be used under the terms of
17: * either of the GNU General Public License Version 2 or later (the "GPL"),
18: * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
19: * in which case the provisions of the GPL or the LGPL are applicable instead
20: * of those above. If you wish to allow use of your version of this file only
21: * under the terms of either the GPL or the LGPL, and not to allow others to
22: * use your version of this file under the terms of the CPL, indicate your
23: * decision by deleting the provisions above and replace them with the notice
24: * and other provisions required by the GPL or the LGPL. If you do not delete
25: * the provisions above, a recipient may use your version of this file under
26: * the terms of any one of the CPL, the GPL or the LGPL.
27: ***** END LICENSE BLOCK *****/package org.jruby.compiler;
28:
29: import org.jruby.ast.AliasNode;
30: import org.jruby.ast.Node;
31: import org.jruby.runtime.CallType;
32:
33: /**
34: * @author <a href="mailto:ola.bini@ki.se">Ola Bini</a>
35: */
36: public class AliasNodeCompiler implements NodeCompiler {
37: public AliasNodeCompiler() {
38: }
39:
40: public void compile(Node node, Compiler context) {
41: context.lineNumber(node.getPosition());
42:
43: final AliasNode alias = (AliasNode) node;
44:
45: context.defineAlias(alias.getNewName(), alias.getOldName());
46: context.retrieveSelfClass();
47:
48: context.createObjectArray(new Object[] { alias.getNewName() },
49: new ArrayCallback() {
50: public void nextValue(Compiler context,
51: Object sourceArray, int index) {
52: context.loadSymbol(alias.getNewName());
53: }
54: });
55:
56: context.invokeDynamic("method_added", true, true,
57: CallType.FUNCTIONAL, null, false);
58: }
59: }// AliasNodeCompiler
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