01: /*
02: * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: * Free SoftwareFoundation, Inc.
23: * 59 Temple Place, Suite 330
24: * Boston, MA 02111-1307 USA
25: *
26: * @author Scott Ferguson
27: */
28:
29: package com.caucho.es.parser;
30:
31: import com.caucho.es.ESException;
32:
33: import java.io.IOException;
34:
35: /**
36: * Expr is an intermediate form representing an expression.
37: */
38: class ConditionalExpr extends Expr {
39: Expr cond;
40: Expr left;
41: Expr right;
42:
43: ConditionalExpr(Block block, Expr cond, Expr left, Expr right) {
44: super (block);
45:
46: this .cond = cond;
47: this .left = left;
48: this .right = right;
49: this .type = TYPE_ES;
50:
51: left.setUsed();
52: right.setUsed();
53: }
54:
55: void exprStatement(Function fun) throws ESException {
56: isTop = true;
57: fun.addExpr(this );
58: }
59:
60: void printImpl() throws IOException {
61: if (isTop)
62: cl.print("_env.doVoid(");
63:
64: cl.print("(");
65: cond.printBoolean();
66: cl.print("?");
67: left.print();
68: cl.print(":");
69: right.print();
70: cl.print(")");
71:
72: if (isTop)
73: cl.println(")");
74: }
75: }
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