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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.ApplyExpr;
24  import org.millscript.millscript.expr.CheckExpr;
25  import org.millscript.millscript.expr.CommaExpr;
26  import org.millscript.millscript.expr.Expr;
27  import org.millscript.millscript.expr.NameExpr;
28  
29  /**
30   * This class implements <code>==&gt;</code> syntax.
31   *
32   * <p>
33   * <code>&lt;expr&gt; ==&gt; &lt;expr&gt;</code>
34   * </p>
35   *
36   * @see ApplyExpr
37   */
38  public final class MapletSyntax extends SimplePostfixSyntax {
39  
40      /**
41       * @see org.millscript.millscript.syntax.SimplePostfixSyntax#simple(org.millscript.millscript.expr.Expr, org.millscript.millscript.expr.Expr)
42       */
43      @Override
44      public ApplyExpr simple( final Expr lhs, final Expr rhs ) {
45          return (
46              new ApplyExpr(
47                  new NameExpr( "newMaplet" ),
48                  CommaExpr.make(
49                      CheckExpr.make( lhs ),
50                      CheckExpr.make( rhs )
51                  )
52              )
53          );
54      }
55  
56  }