01: /*
02: * DispatchMacroFunction.java
03: *
04: * Copyright (C) 2004 Peter Graves
05: * $Id: DispatchMacroFunction.java,v 1.2 2004/04/18 04:50:17 piso Exp $
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License
09: * as published by the Free Software Foundation; either version 2
10: * of the License, or (at your option) any later version.
11: *
12: * This program is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: * GNU General Public License for more details.
16: *
17: * You should have received a copy of the GNU General Public License
18: * along with this program; if not, write to the Free Software
19: * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20: */
21:
22: package org.armedbear.lisp;
23:
24: public abstract class DispatchMacroFunction extends Function {
25: public DispatchMacroFunction(String name) {
26: super (name);
27: }
28:
29: public DispatchMacroFunction(String name, String arglist) {
30: super (name, arglist);
31: }
32:
33: public DispatchMacroFunction(String name, Package pkg) {
34: super (name, pkg);
35: }
36:
37: public DispatchMacroFunction(String name, Package pkg,
38: boolean exported) {
39: super (name, pkg, exported);
40: }
41:
42: public DispatchMacroFunction(String name, Package pkg,
43: boolean exported, String arglist) {
44: super (name, pkg, exported, arglist);
45: }
46:
47: public LispObject execute(LispObject first, LispObject second,
48: LispObject third) throws ConditionThrowable {
49: Stream stream = inSynonymOf(first);
50: char c = LispCharacter.getValue(second);
51: int n;
52: if (third == NIL)
53: n = -1;
54: else
55: n = Fixnum.getValue(third);
56: return execute(stream, c, n);
57: }
58:
59: public abstract LispObject execute(Stream stream, char c, int n)
60: throws ConditionThrowable;
61: }
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