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.Colon2Node;
30: import org.jruby.ast.Node;
31:
32: import org.jruby.runtime.CallType;
33:
34: /**
35: *
36: * @author Ola Bini
37: */
38: public class Colon2NodeCompiler implements NodeCompiler {
39:
40: /** Creates a new instance of Colon2NodeCompiler */
41: public Colon2NodeCompiler() {
42: }
43:
44: public void compile(Node node, Compiler context) {
45: context.lineNumber(node.getPosition());
46: Colon2Node iVisited = (Colon2Node) node;
47: Node leftNode = iVisited.getLeftNode();
48: final String name = iVisited.getName();
49:
50: if (leftNode == null) {
51: context.loadObject();
52: context.retrieveConstantFromModule(name);
53: } else {
54: NodeCompilerFactory.getCompiler(iVisited.getLeftNode())
55: .compile(iVisited.getLeftNode(), context);
56:
57: BranchCallback moduleCallback = new BranchCallback() {
58: public void branch(Compiler context) {
59: context.retrieveConstantFromModule(name);
60: }
61: };
62:
63: BranchCallback notModuleCallback = new BranchCallback() {
64: public void branch(Compiler context) {
65: context.invokeDynamic(name, true, false,
66: CallType.FUNCTIONAL, null, false);
67: }
68: };
69:
70: context.branchIfModule(moduleCallback, notModuleCallback);
71: }
72: }
73: }
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