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.AssignExpr;
24 import org.millscript.millscript.expr.Expr;
25
26 /**
27 * This class implements <code>:=</code> syntax.
28 *
29 * <p>
30 * <code><expr> := <expr></code>
31 * </p>
32 *
33 * <p>
34 * The right hand side expression can be any expression that returns a single
35 * result, while the left hand side can be:
36 * <ul>
37 * <li>a new name for a variable</li>
38 * <li>an updateable function expression</li>
39 * </ul>
40 * </p>
41 *
42 * @see AssignExpr
43 */
44 public final class AssignSyntax extends SimplePostfixSyntax {
45
46 /**
47 * @see org.millscript.millscript.syntax.SimplePostfixSyntax#simple(org.millscript.millscript.expr.Expr, org.millscript.millscript.expr.Expr)
48 */
49 @Override
50 public Expr simple( final Expr lhs, final Expr rhs ) {
51 return AssignExpr.make( lhs, rhs );
52 }
53
54 }