1 ////////////////////////////////////////////////////////////////////////////////
2 // MillScript: an Open Spice interpreter and batch website creation tool
3 // Copyright (C) 2001-2004 Open World Ltd
4 //
5 // This file is part of MillScript.
6 //
7 // MillScript is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU General Public License as published by the Free
9 // Software Foundation; either version 2 of the License, or (at your option)
10 // any later version.
11 //
12 // MillScript is distributed in the hope that it will be useful, but WITHOUT
13 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 // more details.
16 //
17 // You should have received a copy of the GNU General Public License along with
18 // MillScript; if not, write to the Free Software Foundation, Inc., 59 Temple
19 // Place, Suite 330, Boston, MA 02111-1307 USA
20 ////////////////////////////////////////////////////////////////////////////////
21 package org.millscript.millscript.syntax;
22
23 import org.millscript.millscript.expr.AppendExpr;
24 import org.millscript.millscript.expr.CheckExpr;
25 import org.millscript.millscript.expr.Expr;
26
27 /**
28 * This class implements <code>++</code> syntax.
29 *
30 * <p>
31 * <code><expr> ++ <expr></code>
32 * </p>
33 *
34 * <p>
35 * The results of the two expressions will be joined together, with the right
36 * hand side being appended onto the left hand side, to form a single result.
37 * </p>
38 *
39 * @see AppendExpr
40 */
41 public final class AppendSyntax extends SimplePostfixSyntax {
42
43 /**
44 * @see org.millscript.millscript.syntax.SimplePostfixSyntax#simple(org.millscript.millscript.expr.Expr, org.millscript.millscript.expr.Expr)
45 */
46 @Override
47 public Expr simple( final Expr lhs, final Expr rhs ) {
48 return (
49 AppendExpr.make(
50 CheckExpr.make( lhs ),
51 CheckExpr.make( rhs )
52 )
53 );
54 }
55
56 }