01: /*
02: * Copyright 2006 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * by Sun in the LICENSE file that accompanied this code.
10: *
11: * This code is distributed in the hope that it will be useful, but WITHOUT
12: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14: * version 2 for more details (a copy is included in the LICENSE file that
15: * accompanied this code).
16: *
17: * You should have received a copy of the GNU General Public License version
18: * 2 along with this work; if not, write to the Free Software Foundation,
19: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20: *
21: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22: * CA 95054 USA or visit www.sun.com if you need additional information or
23: * have any questions.
24: */
25:
26: package com.sun.codemodel.internal;
27:
28: import java.util.ArrayList;
29: import java.util.Iterator;
30: import java.util.List;
31:
32: /**
33: * Switch statement
34: */
35: public final class JSwitch implements JStatement {
36:
37: /**
38: * Test part of switch statement.
39: */
40: private JExpression test;
41:
42: /**
43: * vector of JCases.
44: */
45: private List<JCase> cases = new ArrayList<JCase>();
46:
47: /**
48: * a single default case
49: */
50: private JCase defaultCase = null;
51:
52: /**
53: * Construct a While statment
54: */
55: JSwitch(JExpression test) {
56: this .test = test;
57: }
58:
59: public JExpression test() {
60: return test;
61: }
62:
63: public Iterator cases() {
64: return cases.iterator();
65: }
66:
67: public JCase _case(JExpression label) {
68: JCase c = new JCase(label);
69: cases.add(c);
70: return c;
71: }
72:
73: public JCase _default() {
74: // what if (default != null) ???
75:
76: // default cases statements don't have a label
77: defaultCase = new JCase(null, true);
78: return defaultCase;
79: }
80:
81: public void state(JFormatter f) {
82: if (JOp.hasTopOp(test)) {
83: f.p("switch ").g(test).p(" {").nl();
84: } else {
85: f.p("switch (").g(test).p(')').p(" {").nl();
86: }
87: for (JCase c : cases)
88: f.s(c);
89: if (defaultCase != null)
90: f.s(defaultCase);
91: f.p('}').nl();
92: }
93:
94: }
|