01: /*
02: * Jatha - a Common LISP-compatible LISP library in Java.
03: * Copyright (C) 1997-2005 Micheal Scott Hewett
04: *
05: * This library is free software; you can redistribute it and/or
06: * modify it under the terms of the GNU Lesser General Public
07: * License as published by the Free Software Foundation; either
08: * version 2.1 of the License, or (at your option) any later version.
09: *
10: * This library is distributed in the hope that it will be useful,
11: * but WITHOUT ANY WARRANTY; without even the implied warranty of
12: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13: * Lesser General Public License for more details.
14: *
15: * You should have received a copy of the GNU Lesser General Public
16: * License along with this library; if not, write to the Free Software
17: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18: *
19: *
20: * For further information, please contact Micheal Hewett at
21: * hewett@cs.stanford.edu
22: *
23: */
24:
25: package org.jatha.compile;
26:
27: import org.jatha.Jatha;
28: import org.jatha.dynatype.*;
29: import org.jatha.machine.*;
30:
31: public class ListStarPrimitive extends LispPrimitive {
32: LispValue CONS = null;
33:
34: public ListStarPrimitive(Jatha lisp) {
35: super (lisp, "LIST*", 1, Long.MAX_VALUE);
36:
37: inlineP = true;
38: CONS = new ConsPrimitive(lisp);
39: }
40:
41: public void Execute(SECDMachine machine) {
42: // do nothing. The list is there.
43: System.err.println("LIST* was compiled - shouldn't have been.");
44:
45: machine.C.pop();
46: }
47:
48: // If there is only one arg, it is the result.
49: // If there is more than one, they are consed
50: // onto the front of the last one:
51: // (list* 'a 'b 'c '(d e)) ==> (a b c d e)
52: public LispValue CompileArgs(LispCompiler compiler,
53: SECDMachine machine, LispValue args, LispValue valueList,
54: LispValue code) throws CompilerException {
55: if (args.cdr() == f_lisp.NIL)
56: return compiler.compileArgsLeftToRight(args, valueList,
57: code);
58: else
59: return compiler.compile(args.car(), valueList, CompileArgs(
60: compiler, machine, args.cdr(), valueList, f_lisp
61: .makeCons(CONS, code)));
62: }
63: }
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