01: /*
02: * AutoloadMacro.java
03: *
04: * Copyright (C) 2003 Peter Graves
05: * $Id: AutoloadMacro.java,v 1.6 2003/11/15 11:03:32 beedlem 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 final class AutoloadMacro extends Autoload {
25: private AutoloadMacro(Symbol symbol) {
26: super (symbol);
27: }
28:
29: private AutoloadMacro(Symbol symbol, String fileName) {
30: super (symbol, fileName, null);
31: }
32:
33: public void load() throws ConditionThrowable {
34: Load._load(getFileName(), true);
35: }
36:
37: public String toString() {
38: StringBuffer sb = new StringBuffer("AUTOLOAD-MACRO ");
39: sb.append(symbol);
40: sb.append(" \"");
41: sb.append(getFileName());
42: sb.append('"');
43: return unreadableString(sb.toString());
44: }
45:
46: private static final Primitive AUTOLOAD_MACRO = new Primitive(
47: "autoload-macro", PACKAGE_EXT, true) {
48: public LispObject execute(LispObject first)
49: throws ConditionThrowable {
50: if (first instanceof Symbol) {
51: Symbol symbol = (Symbol) first;
52: symbol.setSymbolFunction(new AutoloadMacro(symbol));
53: return T;
54: }
55: if (first instanceof Cons) {
56: for (LispObject list = first; list != NIL; list = list
57: .cdr()) {
58: Symbol symbol = checkSymbol(list.car());
59: symbol.setSymbolFunction(new AutoloadMacro(symbol));
60: }
61: return T;
62: }
63: throw new ConditionThrowable(new TypeError(first));
64: }
65:
66: public LispObject execute(LispObject first, LispObject second)
67: throws ConditionThrowable {
68: final String fileName = LispString.getValue(second);
69: if (first instanceof Symbol) {
70: Symbol symbol = (Symbol) first;
71: symbol.setSymbolFunction(new AutoloadMacro(symbol,
72: fileName));
73: return T;
74: }
75: if (first instanceof Cons) {
76: for (LispObject list = first; list != NIL; list = list
77: .cdr()) {
78: Symbol symbol = checkSymbol(list.car());
79: symbol.setSymbolFunction(new AutoloadMacro(symbol,
80: fileName));
81: }
82: return T;
83: }
84: throw new ConditionThrowable(new TypeError(first));
85: }
86: };
87: }
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