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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.expr;
22  
23  import org.millscript.millscript.action.ExplodeAction;
24  import org.millscript.millscript.vm.CompilerState;
25  
26  /**
27   * This class implements an explode expression.
28   *
29   * @see org.millscript.millscript.syntax.ExplodeSyntax
30   * @see ExplodeAction
31   */
32  public final class ExplodeExpr extends Expr< ExplodeAction > {
33  
34      /**
35       * The body expression, whose result we want to explode.
36       */
37      private final Expr< ? > body;
38  
39      /**
40       * Creates a new explode expression, to explode the specified body
41       * expression result.
42       *
43       * @param   a   the expression whose result to explode
44       */
45      public ExplodeExpr( final Expr< ? > a ) {
46          body = CheckExpr.make( a );
47      }
48  
49      /**
50       * @see org.millscript.millscript.expr.Expr#compileIt()
51       */
52      @Override
53      public ExplodeAction compileIt() {
54          return new ExplodeAction( body.compile() );
55      }
56  
57      /**
58       * @see org.millscript.millscript.expr.Expr#resolve(org.millscript.millscript.vm.CompilerState)
59       */
60      @Override
61      public void resolve( final CompilerState state ) {
62          this.body.resolve( state );
63      }
64  
65      /**
66       * @see org.millscript.millscript.expr.Expr#showComponents(int)
67       */
68      @Override
69      void showComponents( final int n ) {
70          this.body.show( n );
71      }
72  
73  }