| 1 | /* |
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| 2 | * Lisp.java |
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| 3 | * |
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| 4 | * Copyright (C) 2002-2007 Peter Graves <peter@armedbear.org> |
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| 5 | * $Id: Lisp.java 14552 2013-06-18 19:20:51Z ehuelsmann $ |
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| 6 | * |
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| 7 | * This program is free software; you can redistribute it and/or |
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| 8 | * modify it under the terms of the GNU General Public License |
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| 9 | * as published by the Free Software Foundation; either version 2 |
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| 10 | * of the License, or (at your option) any later version. |
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| 11 | * |
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| 12 | * This program is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | * GNU General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU General Public License |
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| 18 | * along with this program; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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| 20 | * |
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| 21 | * As a special exception, the copyright holders of this library give you |
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| 22 | * permission to link this library with independent modules to produce an |
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| 23 | * executable, regardless of the license terms of these independent |
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| 24 | * modules, and to copy and distribute the resulting executable under |
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| 25 | * terms of your choice, provided that you also meet, for each linked |
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| 26 | * independent module, the terms and conditions of the license of that |
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| 27 | * module. An independent module is a module which is not derived from |
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| 28 | * or based on this library. If you modify this library, you may extend |
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| 29 | * this exception to your version of the library, but you are not |
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| 30 | * obligated to do so. If you do not wish to do so, delete this |
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| 31 | * exception statement from your version. |
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| 32 | */ |
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| 33 | |
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| 34 | package org.armedbear.lisp; |
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| 35 | |
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| 36 | import java.io.File; |
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| 37 | import java.io.IOException; |
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| 38 | import java.io.InputStream; |
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| 39 | import java.io.InputStreamReader; |
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| 40 | import java.io.Reader; |
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| 41 | import java.io.StringReader; |
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| 42 | import java.math.BigInteger; |
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| 43 | import java.net.URL; |
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| 44 | import java.nio.charset.Charset; |
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| 45 | import java.util.Hashtable; |
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| 46 | import java.util.concurrent.ConcurrentHashMap; |
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| 47 | |
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| 48 | public final class Lisp |
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| 49 | { |
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| 50 | public static final boolean debug = true; |
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| 51 | |
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| 52 | public static boolean cold = true; |
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| 53 | |
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| 54 | public static boolean initialized; |
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| 55 | |
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| 56 | // Packages. |
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| 57 | public static final Package PACKAGE_CL = |
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| 58 | Packages.createPackage("COMMON-LISP", 2048); // EH 10-10-2010: Actual number = 1014 |
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| 59 | public static final Package PACKAGE_CL_USER = |
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| 60 | Packages.createPackage("COMMON-LISP-USER", 1024); |
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| 61 | public static final Package PACKAGE_KEYWORD = |
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| 62 | Packages.createPackage("KEYWORD", 1024); |
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| 63 | public static final Package PACKAGE_SYS = |
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| 64 | Packages.createPackage("SYSTEM", 2048); // EH 10-10-2010: Actual number = 1216 |
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| 65 | public static final Package PACKAGE_MOP = |
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| 66 | Packages.createPackage("MOP", 512); // EH 10-10-2010: Actual number = 277 |
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| 67 | public static final Package PACKAGE_TPL = |
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| 68 | Packages.createPackage("TOP-LEVEL", 128); // EH 10-10-2010: Actual number = 6 |
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| 69 | public static final Package PACKAGE_EXT = |
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| 70 | Packages.createPackage("EXTENSIONS", 256); // EH 10-10-2010: Actual number = 131 |
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| 71 | public static final Package PACKAGE_JVM = |
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| 72 | Packages.createPackage("JVM", 2048); // EH 10-10-2010: Actual number = 1518 |
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| 73 | public static final Package PACKAGE_LOOP = |
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| 74 | Packages.createPackage("LOOP", 512); // EH 10-10-2010: Actual number = 305 |
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| 75 | public static final Package PACKAGE_PROF = |
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| 76 | Packages.createPackage("PROFILER"); |
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| 77 | public static final Package PACKAGE_JAVA = |
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| 78 | Packages.createPackage("JAVA"); |
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| 79 | public static final Package PACKAGE_LISP = |
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| 80 | Packages.createPackage("LISP"); |
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| 81 | public static final Package PACKAGE_THREADS = |
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| 82 | Packages.createPackage("THREADS"); |
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| 83 | public static final Package PACKAGE_FORMAT = |
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| 84 | Packages.createPackage("FORMAT"); |
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| 85 | public static final Package PACKAGE_XP = |
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| 86 | Packages.createPackage("XP"); |
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| 87 | public static final Package PACKAGE_PRECOMPILER = |
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| 88 | Packages.createPackage("PRECOMPILER"); |
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| 89 | public static final Package PACKAGE_SEQUENCE = |
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| 90 | Packages.createPackage("SEQUENCE", 128); // EH 10-10-2010: Actual number 62 |
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| 91 | |
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| 92 | |
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| 93 | @DocString(name="nil") |
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| 94 | public static final Symbol NIL = Nil.NIL; |
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| 95 | |
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| 96 | // We need NIL before we can call usePackage(). |
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| 97 | static |
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| 98 | { |
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| 99 | PACKAGE_CL.addNickname("CL"); |
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| 100 | PACKAGE_CL_USER.addNickname("CL-USER"); |
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| 101 | PACKAGE_CL_USER.usePackage(PACKAGE_CL); |
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| 102 | PACKAGE_CL_USER.usePackage(PACKAGE_EXT); |
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| 103 | PACKAGE_CL_USER.usePackage(PACKAGE_JAVA); |
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| 104 | PACKAGE_SYS.addNickname("SYS"); |
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| 105 | PACKAGE_SYS.usePackage(PACKAGE_CL); |
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| 106 | PACKAGE_SYS.usePackage(PACKAGE_EXT); |
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| 107 | PACKAGE_MOP.usePackage(PACKAGE_CL); |
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| 108 | PACKAGE_MOP.usePackage(PACKAGE_EXT); |
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| 109 | PACKAGE_MOP.usePackage(PACKAGE_SYS); |
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| 110 | PACKAGE_TPL.addNickname("TPL"); |
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| 111 | PACKAGE_TPL.usePackage(PACKAGE_CL); |
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| 112 | PACKAGE_TPL.usePackage(PACKAGE_EXT); |
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| 113 | PACKAGE_EXT.addNickname("EXT"); |
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| 114 | PACKAGE_EXT.usePackage(PACKAGE_CL); |
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| 115 | PACKAGE_EXT.usePackage(PACKAGE_THREADS); |
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| 116 | PACKAGE_JVM.usePackage(PACKAGE_CL); |
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| 117 | PACKAGE_JVM.usePackage(PACKAGE_EXT); |
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| 118 | PACKAGE_JVM.usePackage(PACKAGE_SYS); |
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| 119 | PACKAGE_LOOP.usePackage(PACKAGE_CL); |
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| 120 | PACKAGE_PROF.addNickname("PROF"); |
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| 121 | PACKAGE_PROF.usePackage(PACKAGE_CL); |
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| 122 | PACKAGE_PROF.usePackage(PACKAGE_EXT); |
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| 123 | PACKAGE_JAVA.usePackage(PACKAGE_CL); |
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| 124 | PACKAGE_JAVA.usePackage(PACKAGE_EXT); |
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| 125 | PACKAGE_LISP.usePackage(PACKAGE_CL); |
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| 126 | PACKAGE_LISP.usePackage(PACKAGE_EXT); |
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| 127 | PACKAGE_LISP.usePackage(PACKAGE_SYS); |
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| 128 | PACKAGE_THREADS.usePackage(PACKAGE_CL); |
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| 129 | PACKAGE_THREADS.usePackage(PACKAGE_EXT); |
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| 130 | PACKAGE_THREADS.usePackage(PACKAGE_SYS); |
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| 131 | PACKAGE_FORMAT.usePackage(PACKAGE_CL); |
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| 132 | PACKAGE_FORMAT.usePackage(PACKAGE_EXT); |
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| 133 | PACKAGE_XP.usePackage(PACKAGE_CL); |
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| 134 | PACKAGE_PRECOMPILER.addNickname("PRE"); |
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| 135 | PACKAGE_PRECOMPILER.usePackage(PACKAGE_CL); |
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| 136 | PACKAGE_PRECOMPILER.usePackage(PACKAGE_EXT); |
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| 137 | PACKAGE_PRECOMPILER.usePackage(PACKAGE_SYS); |
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| 138 | PACKAGE_SEQUENCE.usePackage(PACKAGE_CL); |
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| 139 | } |
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| 140 | |
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| 141 | // End-of-file marker. |
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| 142 | public static final LispObject EOF = new LispObject(); |
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| 143 | |
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| 144 | // String hash randomization base |
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| 145 | // Sets a base offset hashing value per JVM session, as an antidote to |
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| 146 | // http://www.nruns.com/_downloads/advisory28122011.pdf |
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| 147 | // (Denial of Service through hash table multi-collisions) |
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| 148 | public static final int randomStringHashBase = |
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| 149 | (int)(new java.util.Date().getTime()); |
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| 150 | |
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| 151 | public static boolean profiling; |
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| 152 | |
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| 153 | public static boolean sampling; |
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| 154 | |
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| 155 | public static volatile boolean sampleNow; |
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| 156 | |
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| 157 | // args must not be null! |
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| 158 | public static final LispObject funcall(LispObject fun, LispObject[] args, |
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| 159 | LispThread thread) |
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| 160 | |
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| 161 | { |
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| 162 | thread._values = null; |
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| 163 | |
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| 164 | // 26-07-2009: For some reason we cannot "just" call the array version; |
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| 165 | // it causes an error (Wrong number of arguments for LOOP-FOR-IN) |
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| 166 | // which is probably a sign of an issue in our design? |
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| 167 | switch (args.length) |
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| 168 | { |
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| 169 | case 0: |
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| 170 | return thread.execute(fun); |
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| 171 | case 1: |
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| 172 | return thread.execute(fun, args[0]); |
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| 173 | case 2: |
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| 174 | return thread.execute(fun, args[0], args[1]); |
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| 175 | case 3: |
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| 176 | return thread.execute(fun, args[0], args[1], args[2]); |
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| 177 | case 4: |
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| 178 | return thread.execute(fun, args[0], args[1], args[2], args[3]); |
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| 179 | case 5: |
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| 180 | return thread.execute(fun, args[0], args[1], args[2], args[3], |
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| 181 | args[4]); |
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| 182 | case 6: |
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| 183 | return thread.execute(fun, args[0], args[1], args[2], args[3], |
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| 184 | args[4], args[5]); |
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| 185 | case 7: |
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| 186 | return thread.execute(fun, args[0], args[1], args[2], args[3], |
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| 187 | args[4], args[5], args[6]); |
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| 188 | case 8: |
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| 189 | return thread.execute(fun, args[0], args[1], args[2], args[3], |
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| 190 | args[4], args[5], args[6], args[7]); |
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| 191 | default: |
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| 192 | return thread.execute(fun, args); |
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| 193 | } |
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| 194 | } |
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| 195 | |
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| 196 | public static final LispObject macroexpand(LispObject form, |
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| 197 | final Environment env, |
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| 198 | final LispThread thread) |
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| 199 | |
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| 200 | { |
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| 201 | LispObject expanded = NIL; |
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| 202 | while (true) |
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| 203 | { |
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| 204 | form = macroexpand_1(form, env, thread); |
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| 205 | LispObject[] values = thread._values; |
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| 206 | if (values[1] == NIL) |
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| 207 | { |
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| 208 | values[1] = expanded; |
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| 209 | return form; |
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| 210 | } |
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| 211 | expanded = T; |
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| 212 | } |
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| 213 | } |
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| 214 | |
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| 215 | public static final LispObject macroexpand_1(final LispObject form, |
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| 216 | final Environment env, |
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| 217 | final LispThread thread) |
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| 218 | |
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| 219 | { |
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| 220 | if (form instanceof Cons) |
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| 221 | { |
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| 222 | LispObject car = ((Cons)form).car; |
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| 223 | if (car instanceof Symbol) |
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| 224 | { |
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| 225 | LispObject obj = env.lookupFunction(car); |
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| 226 | if (obj instanceof AutoloadMacro) |
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| 227 | { |
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| 228 | // Don't autoload function objects here: |
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| 229 | // we want that to happen upon the first use. |
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| 230 | // in case of macro functions, this *is* the first use. |
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| 231 | Autoload autoload = (Autoload) obj; |
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| 232 | autoload.load(); |
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| 233 | obj = car.getSymbolFunction(); |
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| 234 | } |
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| 235 | if (obj instanceof SpecialOperator) |
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| 236 | { |
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| 237 | obj = get(car, Symbol.MACROEXPAND_MACRO, null); |
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| 238 | if (obj instanceof Autoload) |
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| 239 | { |
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| 240 | Autoload autoload = (Autoload) obj; |
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| 241 | autoload.load(); |
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| 242 | obj = get(car, Symbol.MACROEXPAND_MACRO, null); |
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| 243 | } |
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| 244 | } |
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| 245 | if (obj instanceof MacroObject) |
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| 246 | { |
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| 247 | LispObject expander = ((MacroObject)obj).expander; |
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| 248 | if (profiling) |
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| 249 | if (!sampling) |
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| 250 | expander.incrementCallCount(); |
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| 251 | LispObject hook = |
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| 252 | coerceToFunction(Symbol.MACROEXPAND_HOOK.symbolValue(thread)); |
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| 253 | return thread.setValues(hook.execute(expander, form, env), |
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| 254 | T); |
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| 255 | } |
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| 256 | } |
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| 257 | } |
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| 258 | else if (form instanceof Symbol) |
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| 259 | { |
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| 260 | Symbol symbol = (Symbol) form; |
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| 261 | LispObject obj = env.lookup(symbol); |
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| 262 | if (obj == null) { |
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| 263 | obj = symbol.getSymbolMacro(); |
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| 264 | } |
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| 265 | if (obj instanceof SymbolMacro) { |
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| 266 | return thread.setValues(((SymbolMacro)obj).getExpansion(), T); |
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| 267 | } |
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| 268 | } |
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| 269 | // Not a macro. |
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| 270 | return thread.setValues(form, NIL); |
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| 271 | } |
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| 272 | |
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| 273 | @DocString(name="interactive-eval") |
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| 274 | private static final Primitive INTERACTIVE_EVAL = |
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| 275 | new Primitive("interactive-eval", PACKAGE_SYS, true) |
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| 276 | { |
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| 277 | @Override |
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| 278 | public LispObject execute(LispObject object) |
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| 279 | { |
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| 280 | final LispThread thread = LispThread.currentThread(); |
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| 281 | thread.setSpecialVariable(Symbol.MINUS, object); |
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| 282 | LispObject result; |
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| 283 | try |
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| 284 | { |
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| 285 | result = thread.execute(Symbol.EVAL.getSymbolFunction(), object); |
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| 286 | } |
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| 287 | catch (OutOfMemoryError e) |
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| 288 | { |
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| 289 | return error(new StorageCondition("Out of memory " + e.getMessage())); |
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| 290 | } |
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| 291 | catch (StackOverflowError e) |
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| 292 | { |
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| 293 | thread.setSpecialVariable(_SAVED_BACKTRACE_, |
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| 294 | thread.backtrace(0)); |
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| 295 | return error(new StorageCondition("Stack overflow.")); |
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| 296 | } |
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| 297 | catch (ControlTransfer c) |
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| 298 | { |
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| 299 | throw c; |
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| 300 | } |
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| 301 | catch (ProcessingTerminated c) |
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| 302 | { |
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| 303 | throw c; |
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| 304 | } |
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| 305 | catch (IntegrityError c) |
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| 306 | { |
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| 307 | throw c; |
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| 308 | } |
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| 309 | catch (Throwable t) // ControlTransfer handled above |
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| 310 | { |
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| 311 | Debug.trace(t); |
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| 312 | thread.setSpecialVariable(_SAVED_BACKTRACE_, |
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| 313 | thread.backtrace(0)); |
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| 314 | return error(new LispError("Caught " + t + ".")); |
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| 315 | } |
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| 316 | Debug.assertTrue(result != null); |
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| 317 | thread.setSpecialVariable(Symbol.STAR_STAR_STAR, |
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| 318 | thread.safeSymbolValue(Symbol.STAR_STAR)); |
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| 319 | thread.setSpecialVariable(Symbol.STAR_STAR, |
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| 320 | thread.safeSymbolValue(Symbol.STAR)); |
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| 321 | thread.setSpecialVariable(Symbol.STAR, result); |
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| 322 | thread.setSpecialVariable(Symbol.PLUS_PLUS_PLUS, |
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| 323 | thread.safeSymbolValue(Symbol.PLUS_PLUS)); |
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| 324 | thread.setSpecialVariable(Symbol.PLUS_PLUS, |
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| 325 | thread.safeSymbolValue(Symbol.PLUS)); |
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| 326 | thread.setSpecialVariable(Symbol.PLUS, |
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| 327 | thread.safeSymbolValue(Symbol.MINUS)); |
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| 328 | LispObject[] values = thread._values; |
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| 329 | thread.setSpecialVariable(Symbol.SLASH_SLASH_SLASH, |
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| 330 | thread.safeSymbolValue(Symbol.SLASH_SLASH)); |
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| 331 | thread.setSpecialVariable(Symbol.SLASH_SLASH, |
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| 332 | thread.safeSymbolValue(Symbol.SLASH)); |
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| 333 | if (values != null) |
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| 334 | { |
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| 335 | LispObject slash = NIL; |
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| 336 | for (int i = values.length; i-- > 0;) |
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| 337 | slash = new Cons(values[i], slash); |
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| 338 | thread.setSpecialVariable(Symbol.SLASH, slash); |
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| 339 | } |
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| 340 | else |
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| 341 | thread.setSpecialVariable(Symbol.SLASH, new Cons(result)); |
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| 342 | return result; |
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| 343 | } |
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| 344 | }; |
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| 345 | |
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| 346 | private static final void pushJavaStackFrames() |
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| 347 | { |
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| 348 | final LispThread thread = LispThread.currentThread(); |
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| 349 | final StackTraceElement[] frames = thread.getJavaStackTrace(); |
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| 350 | |
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| 351 | // frames[0] java.lang.Thread.getStackTrace |
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| 352 | // frames[1] org.armedbear.lisp.LispThread.getJavaStackTrace |
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| 353 | // frames[2] org.armedbear.lisp.Lisp.pushJavaStackFrames |
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| 354 | |
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| 355 | if (frames.length > 5 |
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| 356 | && frames[3].getClassName().equals("org.armedbear.lisp.Lisp") |
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| 357 | && frames[3].getMethodName().equals("error") |
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| 358 | && frames[4].getClassName().startsWith("org.armedbear.lisp.Lisp") |
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| 359 | && frames[4].getMethodName().equals("eval")) { |
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| 360 | // Error condition arising from within Lisp.eval(), so no |
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| 361 | // Java stack frames should be visible to the consumer of the stack abstraction |
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| 362 | return; |
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| 363 | } |
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| 364 | // Search for last Primitive in the StackTrace; that was the |
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| 365 | // last entry point from Lisp. |
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| 366 | int last = frames.length - 1; |
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| 367 | for (int i = 0; i<= last; i++) { |
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| 368 | if (frames[i].getClassName().startsWith("org.armedbear.lisp.Primitive")) |
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| 369 | last = i; |
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| 370 | } |
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| 371 | // Do not include the first three frames which, as noted above, constitute |
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| 372 | // the invocation of this method. |
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| 373 | while (last > 2) { |
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| 374 | thread.pushStackFrame(new JavaStackFrame(frames[last])); |
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| 375 | last--; |
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| 376 | } |
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| 377 | } |
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| 378 | |
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| 379 | |
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| 380 | public static final LispObject error(LispObject condition) |
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| 381 | { |
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| 382 | pushJavaStackFrames(); |
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| 383 | return Symbol.ERROR.execute(condition); |
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| 384 | } |
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| 385 | |
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| 386 | public static final LispObject stackError() |
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| 387 | { |
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| 388 | pushJavaStackFrames(); |
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| 389 | return Symbol.ERROR.execute(new StorageCondition("Stack overflow.")); |
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| 390 | } |
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| 391 | |
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| 392 | public static final LispObject memoryError(OutOfMemoryError exception) |
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| 393 | { |
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| 394 | pushJavaStackFrames(); |
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| 395 | return Symbol.ERROR.execute(new StorageCondition("Out of memory: " |
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| 396 | + exception.getMessage())); |
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| 397 | } |
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| 398 | |
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| 399 | public static final int ierror(LispObject condition) |
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| 400 | { |
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| 401 | error(condition); |
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| 402 | return 0; // Not reached |
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| 403 | } |
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| 404 | |
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| 405 | public static final String serror(LispObject condition) |
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| 406 | { |
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| 407 | error(condition); |
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| 408 | return ""; // Not reached |
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| 409 | } |
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| 410 | |
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| 411 | |
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| 412 | public static final LispObject error(LispObject condition, LispObject message) |
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| 413 | { |
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| 414 | pushJavaStackFrames(); |
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| 415 | return Symbol.ERROR.execute(condition, Keyword.FORMAT_CONTROL, message); |
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| 416 | } |
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| 417 | |
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| 418 | public static final int ierror(LispObject condition, LispObject message) |
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| 419 | { |
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| 420 | error(condition, message); |
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| 421 | return 0; // Not reached |
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| 422 | } |
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| 423 | |
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| 424 | public static final String serror(LispObject condition, LispObject message) |
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| 425 | { |
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| 426 | error(condition, message); |
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| 427 | return ""; // Not reached |
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| 428 | } |
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| 429 | |
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| 430 | |
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| 431 | |
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| 432 | public static final LispObject type_error(LispObject datum, |
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| 433 | LispObject expectedType) |
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| 434 | { |
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| 435 | return error(new TypeError(datum, expectedType)); |
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| 436 | } |
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| 437 | |
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| 438 | public static final LispObject program_error(String message) |
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| 439 | { |
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| 440 | return error(new ProgramError(message)); |
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| 441 | } |
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| 442 | |
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| 443 | public static final LispObject program_error(LispObject initArgs) |
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| 444 | { |
|---|
| 445 | return error(new ProgramError(initArgs)); |
|---|
| 446 | } |
|---|
| 447 | |
|---|
| 448 | public static volatile boolean interrupted; |
|---|
| 449 | |
|---|
| 450 | public static synchronized final void setInterrupted(boolean b) |
|---|
| 451 | { |
|---|
| 452 | interrupted = b; |
|---|
| 453 | } |
|---|
| 454 | |
|---|
| 455 | public static final void handleInterrupt() |
|---|
| 456 | { |
|---|
| 457 | setInterrupted(false); |
|---|
| 458 | Symbol.BREAK.getSymbolFunction().execute(); |
|---|
| 459 | setInterrupted(false); |
|---|
| 460 | } |
|---|
| 461 | |
|---|
| 462 | // Used by the compiler. |
|---|
| 463 | public static final LispObject loadTimeValue(LispObject obj) |
|---|
| 464 | |
|---|
| 465 | { |
|---|
| 466 | final LispThread thread = LispThread.currentThread(); |
|---|
| 467 | if (Symbol.LOAD_TRUENAME.symbolValue(thread) != NIL) |
|---|
| 468 | return eval(obj, new Environment(), thread); |
|---|
| 469 | else |
|---|
| 470 | return NIL; |
|---|
| 471 | } |
|---|
| 472 | |
|---|
| 473 | public static final LispObject eval(LispObject obj) |
|---|
| 474 | |
|---|
| 475 | { |
|---|
| 476 | return eval(obj, new Environment(), LispThread.currentThread()); |
|---|
| 477 | } |
|---|
| 478 | |
|---|
| 479 | public static final LispObject eval(final LispObject obj, |
|---|
| 480 | final Environment env, |
|---|
| 481 | final LispThread thread) |
|---|
| 482 | |
|---|
| 483 | { |
|---|
| 484 | thread._values = null; |
|---|
| 485 | if (interrupted) |
|---|
| 486 | handleInterrupt(); |
|---|
| 487 | if (thread.isDestroyed()) |
|---|
| 488 | throw new ThreadDestroyed(); |
|---|
| 489 | if (obj instanceof Symbol) |
|---|
| 490 | { |
|---|
| 491 | Symbol symbol = (Symbol)obj; |
|---|
| 492 | LispObject result; |
|---|
| 493 | if (symbol.isSpecialVariable()) |
|---|
| 494 | { |
|---|
| 495 | if (symbol.constantp()) |
|---|
| 496 | return symbol.getSymbolValue(); |
|---|
| 497 | else |
|---|
| 498 | result = thread.lookupSpecial(symbol); |
|---|
| 499 | } |
|---|
| 500 | else if (env.isDeclaredSpecial(symbol)) |
|---|
| 501 | result = thread.lookupSpecial(symbol); |
|---|
| 502 | else |
|---|
| 503 | result = env.lookup(symbol); |
|---|
| 504 | if (result == null) |
|---|
| 505 | { |
|---|
| 506 | result = symbol.getSymbolMacro(); |
|---|
| 507 | if (result == null) { |
|---|
| 508 | result = symbol.getSymbolValue(); |
|---|
| 509 | } |
|---|
| 510 | if(result == null) { |
|---|
| 511 | return error(new UnboundVariable(obj)); |
|---|
| 512 | } |
|---|
| 513 | } |
|---|
| 514 | if (result instanceof SymbolMacro) |
|---|
| 515 | return eval(((SymbolMacro)result).getExpansion(), env, thread); |
|---|
| 516 | return result; |
|---|
| 517 | } |
|---|
| 518 | else if (obj instanceof Cons) |
|---|
| 519 | { |
|---|
| 520 | LispObject first = ((Cons)obj).car; |
|---|
| 521 | if (first instanceof Symbol) |
|---|
| 522 | { |
|---|
| 523 | LispObject fun = env.lookupFunction(first); |
|---|
| 524 | if (fun instanceof SpecialOperator) |
|---|
| 525 | { |
|---|
| 526 | if (profiling) |
|---|
| 527 | if (!sampling) |
|---|
| 528 | fun.incrementCallCount(); |
|---|
| 529 | // Don't eval args! |
|---|
| 530 | return fun.execute(((Cons)obj).cdr, env); |
|---|
| 531 | } |
|---|
| 532 | if (fun instanceof MacroObject) |
|---|
| 533 | return eval(macroexpand(obj, env, thread), env, thread); |
|---|
| 534 | if (fun instanceof Autoload) |
|---|
| 535 | { |
|---|
| 536 | Autoload autoload = (Autoload) fun; |
|---|
| 537 | autoload.load(); |
|---|
| 538 | return eval(obj, env, thread); |
|---|
| 539 | } |
|---|
| 540 | return evalCall(fun != null ? fun : first, |
|---|
| 541 | ((Cons)obj).cdr, env, thread); |
|---|
| 542 | } |
|---|
| 543 | else |
|---|
| 544 | { |
|---|
| 545 | if (first instanceof Cons && first.car() == Symbol.LAMBDA) |
|---|
| 546 | { |
|---|
| 547 | Closure closure = new Closure(first, env); |
|---|
| 548 | return evalCall(closure, ((Cons)obj).cdr, env, thread); |
|---|
| 549 | } |
|---|
| 550 | else |
|---|
| 551 | return program_error("Illegal function object: " |
|---|
| 552 | + first.princToString() + "."); |
|---|
| 553 | } |
|---|
| 554 | } |
|---|
| 555 | else |
|---|
| 556 | return obj; |
|---|
| 557 | } |
|---|
| 558 | |
|---|
| 559 | public static final int CALL_REGISTERS_MAX = 8; |
|---|
| 560 | |
|---|
| 561 | // Also used in JProxy.java. |
|---|
| 562 | public static final LispObject evalCall(LispObject function, |
|---|
| 563 | LispObject args, |
|---|
| 564 | Environment env, |
|---|
| 565 | LispThread thread) |
|---|
| 566 | |
|---|
| 567 | { |
|---|
| 568 | if (args == NIL) |
|---|
| 569 | return thread.execute(function); |
|---|
| 570 | LispObject first = eval(args.car(), env, thread); |
|---|
| 571 | args = ((Cons)args).cdr; |
|---|
| 572 | if (args == NIL) |
|---|
| 573 | { |
|---|
| 574 | thread._values = null; |
|---|
| 575 | return thread.execute(function, first); |
|---|
| 576 | } |
|---|
| 577 | LispObject second = eval(args.car(), env, thread); |
|---|
| 578 | args = ((Cons)args).cdr; |
|---|
| 579 | if (args == NIL) |
|---|
| 580 | { |
|---|
| 581 | thread._values = null; |
|---|
| 582 | return thread.execute(function, first, second); |
|---|
| 583 | } |
|---|
| 584 | LispObject third = eval(args.car(), env, thread); |
|---|
| 585 | args = ((Cons)args).cdr; |
|---|
| 586 | if (args == NIL) |
|---|
| 587 | { |
|---|
| 588 | thread._values = null; |
|---|
| 589 | return thread.execute(function, first, second, third); |
|---|
| 590 | } |
|---|
| 591 | LispObject fourth = eval(args.car(), env, thread); |
|---|
| 592 | args = ((Cons)args).cdr; |
|---|
| 593 | if (args == NIL) |
|---|
| 594 | { |
|---|
| 595 | thread._values = null; |
|---|
| 596 | return thread.execute(function, first, second, third, fourth); |
|---|
| 597 | } |
|---|
| 598 | LispObject fifth = eval(args.car(), env, thread); |
|---|
| 599 | args = ((Cons)args).cdr; |
|---|
| 600 | if (args == NIL) |
|---|
| 601 | { |
|---|
| 602 | thread._values = null; |
|---|
| 603 | return thread.execute(function, first, second, third, fourth, fifth); |
|---|
| 604 | } |
|---|
| 605 | LispObject sixth = eval(args.car(), env, thread); |
|---|
| 606 | args = ((Cons)args).cdr; |
|---|
| 607 | if (args == NIL) |
|---|
| 608 | { |
|---|
| 609 | thread._values = null; |
|---|
| 610 | return thread.execute(function, first, second, third, fourth, fifth, |
|---|
| 611 | sixth); |
|---|
| 612 | } |
|---|
| 613 | LispObject seventh = eval(args.car(), env, thread); |
|---|
| 614 | args = ((Cons)args).cdr; |
|---|
| 615 | if (args == NIL) |
|---|
| 616 | { |
|---|
| 617 | thread._values = null; |
|---|
| 618 | return thread.execute(function, first, second, third, fourth, fifth, |
|---|
| 619 | sixth, seventh); |
|---|
| 620 | } |
|---|
| 621 | LispObject eighth = eval(args.car(), env, thread); |
|---|
| 622 | args = ((Cons)args).cdr; |
|---|
| 623 | if (args == NIL) |
|---|
| 624 | { |
|---|
| 625 | thread._values = null; |
|---|
| 626 | return thread.execute(function, first, second, third, fourth, fifth, |
|---|
| 627 | sixth, seventh, eighth); |
|---|
| 628 | } |
|---|
| 629 | // More than CALL_REGISTERS_MAX arguments. |
|---|
| 630 | final int length = args.length() + CALL_REGISTERS_MAX; |
|---|
| 631 | LispObject[] array = new LispObject[length]; |
|---|
| 632 | array[0] = first; |
|---|
| 633 | array[1] = second; |
|---|
| 634 | array[2] = third; |
|---|
| 635 | array[3] = fourth; |
|---|
| 636 | array[4] = fifth; |
|---|
| 637 | array[5] = sixth; |
|---|
| 638 | array[6] = seventh; |
|---|
| 639 | array[7] = eighth; |
|---|
| 640 | for (int i = CALL_REGISTERS_MAX; i < length; i++) |
|---|
| 641 | { |
|---|
| 642 | array[i] = eval(args.car(), env, thread); |
|---|
| 643 | args = args.cdr(); |
|---|
| 644 | } |
|---|
| 645 | thread._values = null; |
|---|
| 646 | return thread.execute(function, array); |
|---|
| 647 | } |
|---|
| 648 | |
|---|
| 649 | public static final LispObject parseBody(LispObject body, |
|---|
| 650 | boolean documentationAllowed) |
|---|
| 651 | |
|---|
| 652 | { |
|---|
| 653 | LispObject decls = NIL; |
|---|
| 654 | LispObject doc = NIL; |
|---|
| 655 | |
|---|
| 656 | while (body != NIL) { |
|---|
| 657 | LispObject form = body.car(); |
|---|
| 658 | if (documentationAllowed && form instanceof AbstractString |
|---|
| 659 | && body.cdr() != NIL) { |
|---|
| 660 | doc = body.car(); |
|---|
| 661 | documentationAllowed = false; |
|---|
| 662 | } else if (form instanceof Cons && form.car() == Symbol.DECLARE) |
|---|
| 663 | decls = new Cons(form, decls); |
|---|
| 664 | else |
|---|
| 665 | break; |
|---|
| 666 | |
|---|
| 667 | body = body.cdr(); |
|---|
| 668 | } |
|---|
| 669 | return list(body, decls.nreverse(), doc); |
|---|
| 670 | } |
|---|
| 671 | |
|---|
| 672 | public static final LispObject parseSpecials(LispObject forms) |
|---|
| 673 | |
|---|
| 674 | { |
|---|
| 675 | LispObject specials = NIL; |
|---|
| 676 | while (forms != NIL) { |
|---|
| 677 | LispObject decls = forms.car(); |
|---|
| 678 | |
|---|
| 679 | Debug.assertTrue(decls instanceof Cons); |
|---|
| 680 | Debug.assertTrue(decls.car() == Symbol.DECLARE); |
|---|
| 681 | decls = decls.cdr(); |
|---|
| 682 | while (decls != NIL) { |
|---|
| 683 | LispObject decl = decls.car(); |
|---|
| 684 | |
|---|
| 685 | if (decl instanceof Cons && decl.car() == Symbol.SPECIAL) { |
|---|
| 686 | decl = decl.cdr(); |
|---|
| 687 | while (decl != NIL) { |
|---|
| 688 | specials = new Cons(checkSymbol(decl.car()), specials); |
|---|
| 689 | decl = decl.cdr(); |
|---|
| 690 | } |
|---|
| 691 | } |
|---|
| 692 | |
|---|
| 693 | decls = decls.cdr(); |
|---|
| 694 | } |
|---|
| 695 | |
|---|
| 696 | forms = forms.cdr(); |
|---|
| 697 | } |
|---|
| 698 | |
|---|
| 699 | return specials; |
|---|
| 700 | } |
|---|
| 701 | |
|---|
| 702 | public static final LispObject progn(LispObject body, Environment env, |
|---|
| 703 | LispThread thread) |
|---|
| 704 | |
|---|
| 705 | { |
|---|
| 706 | LispObject result = NIL; |
|---|
| 707 | while (body != NIL) |
|---|
| 708 | { |
|---|
| 709 | result = eval(body.car(), env, thread); |
|---|
| 710 | body = ((Cons)body).cdr; |
|---|
| 711 | } |
|---|
| 712 | return result; |
|---|
| 713 | } |
|---|
| 714 | |
|---|
| 715 | public static final LispObject preprocessTagBody(LispObject body, |
|---|
| 716 | Environment env) |
|---|
| 717 | |
|---|
| 718 | { |
|---|
| 719 | LispObject localTags = NIL; // Tags that are local to this TAGBODY. |
|---|
| 720 | while (body != NIL) |
|---|
| 721 | { |
|---|
| 722 | LispObject current = body.car(); |
|---|
| 723 | body = ((Cons)body).cdr; |
|---|
| 724 | if (current instanceof Cons) |
|---|
| 725 | continue; |
|---|
| 726 | // It's a tag. |
|---|
| 727 | env.addTagBinding(current, body); |
|---|
| 728 | localTags = new Cons(current, localTags); |
|---|
| 729 | } |
|---|
| 730 | return localTags; |
|---|
| 731 | } |
|---|
| 732 | |
|---|
| 733 | /** Throws a Go exception to cause a non-local transfer |
|---|
| 734 | * of control event, after checking that the extent of |
|---|
| 735 | * the catching tagbody hasn't ended yet. |
|---|
| 736 | * |
|---|
| 737 | * This version is used by the compiler. |
|---|
| 738 | */ |
|---|
| 739 | public static final LispObject nonLocalGo(LispObject tagbody, |
|---|
| 740 | LispObject tag) |
|---|
| 741 | |
|---|
| 742 | { |
|---|
| 743 | if (tagbody == null) |
|---|
| 744 | return error(new ControlError("Unmatched tag " |
|---|
| 745 | + tag.princToString() + |
|---|
| 746 | " for GO outside lexical extent.")); |
|---|
| 747 | |
|---|
| 748 | throw new Go(tagbody, tag); |
|---|
| 749 | } |
|---|
| 750 | |
|---|
| 751 | /** Throws a Go exception to cause a non-local transfer |
|---|
| 752 | * of control event, after checking that the extent of |
|---|
| 753 | * the catching tagbody hasn't ended yet. |
|---|
| 754 | * |
|---|
| 755 | * This version is used by the interpreter. |
|---|
| 756 | */ |
|---|
| 757 | static final LispObject nonLocalGo(Binding binding, |
|---|
| 758 | LispObject tag) |
|---|
| 759 | { |
|---|
| 760 | if (binding.env.inactive) |
|---|
| 761 | return error(new ControlError("Unmatched tag " |
|---|
| 762 | + binding.symbol.princToString() + |
|---|
| 763 | " for GO outside of lexical extent.")); |
|---|
| 764 | |
|---|
| 765 | throw new Go(binding.env, binding.symbol); |
|---|
| 766 | } |
|---|
| 767 | |
|---|
| 768 | /** Throws a Return exception to cause a non-local transfer |
|---|
| 769 | * of control event, after checking that the extent of |
|---|
| 770 | * the catching block hasn't ended yet. |
|---|
| 771 | * |
|---|
| 772 | * This version is used by the compiler. |
|---|
| 773 | */ |
|---|
| 774 | public static final LispObject nonLocalReturn(LispObject blockId, |
|---|
| 775 | LispObject blockName, |
|---|
| 776 | LispObject result) |
|---|
| 777 | |
|---|
| 778 | { |
|---|
| 779 | if (blockId == null) |
|---|
| 780 | return error(new ControlError("Unmatched block " |
|---|
| 781 | + blockName.princToString() + " for " + |
|---|
| 782 | "RETURN-FROM outside lexical extent.")); |
|---|
| 783 | |
|---|
| 784 | throw new Return(blockId, result); |
|---|
| 785 | } |
|---|
| 786 | |
|---|
| 787 | /** Throws a Return exception to cause a non-local transfer |
|---|
| 788 | * of control event, after checking that the extent of |
|---|
| 789 | * the catching block hasn't ended yet. |
|---|
| 790 | * |
|---|
| 791 | * This version is used by the interpreter. |
|---|
| 792 | */ |
|---|
| 793 | static final LispObject nonLocalReturn(Binding binding, |
|---|
| 794 | Symbol block, |
|---|
| 795 | LispObject result) |
|---|
| 796 | { |
|---|
| 797 | if (binding == null) |
|---|
| 798 | { |
|---|
| 799 | return error(new LispError("No block named " + block.getName() + |
|---|
| 800 | " is currently visible.")); |
|---|
| 801 | } |
|---|
| 802 | |
|---|
| 803 | if (binding.env.inactive) |
|---|
| 804 | return error(new ControlError("Unmatched block " |
|---|
| 805 | + binding.symbol.princToString() + |
|---|
| 806 | " for RETURN-FROM outside of" + |
|---|
| 807 | " lexical extent.")); |
|---|
| 808 | |
|---|
| 809 | throw new Return(binding.symbol, binding.value, result); |
|---|
| 810 | } |
|---|
| 811 | |
|---|
| 812 | public static final LispObject processTagBody(LispObject body, |
|---|
| 813 | LispObject localTags, |
|---|
| 814 | Environment env) |
|---|
| 815 | |
|---|
| 816 | { |
|---|
| 817 | LispObject remaining = body; |
|---|
| 818 | LispThread thread = LispThread.currentThread(); |
|---|
| 819 | while (remaining != NIL) |
|---|
| 820 | { |
|---|
| 821 | LispObject current = remaining.car(); |
|---|
| 822 | if (current instanceof Cons) |
|---|
| 823 | { |
|---|
| 824 | try { |
|---|
| 825 | // Handle GO inline if possible. |
|---|
| 826 | if (((Cons)current).car == Symbol.GO) |
|---|
| 827 | { |
|---|
| 828 | if (interrupted) |
|---|
| 829 | handleInterrupt(); |
|---|
| 830 | LispObject tag = current.cadr(); |
|---|
| 831 | Binding binding = env.getTagBinding(tag); |
|---|
| 832 | if (binding == null) |
|---|
| 833 | return error(new ControlError("No tag named " + |
|---|
| 834 | tag.princToString() + |
|---|
| 835 | " is currently visible.")); |
|---|
| 836 | else if (memql(tag, localTags)) |
|---|
| 837 | { |
|---|
| 838 | if (binding.value != null) |
|---|
| 839 | { |
|---|
| 840 | remaining = binding.value; |
|---|
| 841 | continue; |
|---|
| 842 | } |
|---|
| 843 | } |
|---|
| 844 | throw new Go(binding.env, tag); |
|---|
| 845 | } |
|---|
| 846 | eval(current, env, thread); |
|---|
| 847 | } |
|---|
| 848 | catch (Go go) |
|---|
| 849 | { |
|---|
| 850 | LispObject tag; |
|---|
| 851 | if (go.getTagBody() == env |
|---|
| 852 | && memql(tag = go.getTag(), localTags)) |
|---|
| 853 | { |
|---|
| 854 | Binding binding = env.getTagBinding(tag); |
|---|
| 855 | if (binding != null && binding.value != null) |
|---|
| 856 | { |
|---|
| 857 | remaining = binding.value; |
|---|
| 858 | continue; |
|---|
| 859 | } |
|---|
| 860 | } |
|---|
| 861 | throw go; |
|---|
| 862 | } |
|---|
| 863 | } |
|---|
| 864 | remaining = ((Cons)remaining).cdr; |
|---|
| 865 | } |
|---|
| 866 | thread._values = null; |
|---|
| 867 | return NIL; |
|---|
| 868 | } |
|---|
| 869 | |
|---|
| 870 | // Environment wrappers. |
|---|
| 871 | static final boolean isSpecial(Symbol sym, LispObject ownSpecials) |
|---|
| 872 | { |
|---|
| 873 | if (ownSpecials != null) |
|---|
| 874 | { |
|---|
| 875 | if (sym.isSpecialVariable()) |
|---|
| 876 | return true; |
|---|
| 877 | for (; ownSpecials != NIL; ownSpecials = ownSpecials.cdr()) |
|---|
| 878 | { |
|---|
| 879 | if (sym == ownSpecials.car()) |
|---|
| 880 | return true; |
|---|
| 881 | } |
|---|
| 882 | } |
|---|
| 883 | return false; |
|---|
| 884 | } |
|---|
| 885 | |
|---|
| 886 | public static final void bindArg(LispObject ownSpecials, |
|---|
| 887 | Symbol sym, LispObject value, |
|---|
| 888 | Environment env, LispThread thread) |
|---|
| 889 | |
|---|
| 890 | { |
|---|
| 891 | if (isSpecial(sym, ownSpecials)) { |
|---|
| 892 | env.declareSpecial(sym); |
|---|
| 893 | thread.bindSpecial(sym, value); |
|---|
| 894 | } |
|---|
| 895 | else |
|---|
| 896 | env.bind(sym, value); |
|---|
| 897 | } |
|---|
| 898 | |
|---|
| 899 | public static void bindArg(boolean special, Symbol sym, LispObject value, |
|---|
| 900 | Environment env, LispThread thread) |
|---|
| 901 | { |
|---|
| 902 | if (special) { |
|---|
| 903 | env.declareSpecial(sym); |
|---|
| 904 | thread.bindSpecial(sym, value); |
|---|
| 905 | } |
|---|
| 906 | else |
|---|
| 907 | env.bind(sym, value); |
|---|
| 908 | } |
|---|
| 909 | |
|---|
| 910 | public static LispObject list(LispObject[] obj) { |
|---|
| 911 | LispObject theList = NIL; |
|---|
| 912 | if (obj.length > 0) |
|---|
| 913 | for (int i = obj.length - 1; i >= 0; i--) |
|---|
| 914 | theList = new Cons(obj[i], theList); |
|---|
| 915 | return theList; |
|---|
| 916 | } |
|---|
| 917 | |
|---|
| 918 | public static final Cons list(LispObject obj1, LispObject... remaining) |
|---|
| 919 | { |
|---|
| 920 | Cons theList = null; |
|---|
| 921 | if (remaining.length > 0) { |
|---|
| 922 | theList = new Cons(remaining[remaining.length-1]); |
|---|
| 923 | for (int i = remaining.length - 2; i >= 0; i--) |
|---|
| 924 | theList = new Cons(remaining[i], theList); |
|---|
| 925 | } |
|---|
| 926 | return (theList == null) ? new Cons(obj1) : new Cons(obj1, theList); |
|---|
| 927 | } |
|---|
| 928 | |
|---|
| 929 | @Deprecated |
|---|
| 930 | public static final Cons list1(LispObject obj1) |
|---|
| 931 | { |
|---|
| 932 | return new Cons(obj1); |
|---|
| 933 | } |
|---|
| 934 | |
|---|
| 935 | @Deprecated |
|---|
| 936 | public static final Cons list2(LispObject obj1, LispObject obj2) |
|---|
| 937 | { |
|---|
| 938 | return new Cons(obj1, new Cons(obj2)); |
|---|
| 939 | } |
|---|
| 940 | |
|---|
| 941 | @Deprecated |
|---|
| 942 | public static final Cons list3(LispObject obj1, LispObject obj2, |
|---|
| 943 | LispObject obj3) |
|---|
| 944 | { |
|---|
| 945 | return new Cons(obj1, new Cons(obj2, new Cons(obj3))); |
|---|
| 946 | } |
|---|
| 947 | |
|---|
| 948 | @Deprecated |
|---|
| 949 | public static final Cons list4(LispObject obj1, LispObject obj2, |
|---|
| 950 | LispObject obj3, LispObject obj4) |
|---|
| 951 | { |
|---|
| 952 | return new Cons(obj1, |
|---|
| 953 | new Cons(obj2, |
|---|
| 954 | new Cons(obj3, |
|---|
| 955 | new Cons(obj4)))); |
|---|
| 956 | } |
|---|
| 957 | |
|---|
| 958 | @Deprecated |
|---|
| 959 | public static final Cons list5(LispObject obj1, LispObject obj2, |
|---|
| 960 | LispObject obj3, LispObject obj4, |
|---|
| 961 | LispObject obj5) |
|---|
| 962 | { |
|---|
| 963 | return new Cons(obj1, |
|---|
| 964 | new Cons(obj2, |
|---|
| 965 | new Cons(obj3, |
|---|
| 966 | new Cons(obj4, |
|---|
| 967 | new Cons(obj5))))); |
|---|
| 968 | } |
|---|
| 969 | |
|---|
| 970 | @Deprecated |
|---|
| 971 | public static final Cons list6(LispObject obj1, LispObject obj2, |
|---|
| 972 | LispObject obj3, LispObject obj4, |
|---|
| 973 | LispObject obj5, LispObject obj6) |
|---|
| 974 | { |
|---|
| 975 | return new Cons(obj1, |
|---|
| 976 | new Cons(obj2, |
|---|
| 977 | new Cons(obj3, |
|---|
| 978 | new Cons(obj4, |
|---|
| 979 | new Cons(obj5, |
|---|
| 980 | new Cons(obj6)))))); |
|---|
| 981 | } |
|---|
| 982 | |
|---|
| 983 | @Deprecated |
|---|
| 984 | public static final Cons list7(LispObject obj1, LispObject obj2, |
|---|
| 985 | LispObject obj3, LispObject obj4, |
|---|
| 986 | LispObject obj5, LispObject obj6, |
|---|
| 987 | LispObject obj7) |
|---|
| 988 | { |
|---|
| 989 | return new Cons(obj1, |
|---|
| 990 | new Cons(obj2, |
|---|
| 991 | new Cons(obj3, |
|---|
| 992 | new Cons(obj4, |
|---|
| 993 | new Cons(obj5, |
|---|
| 994 | new Cons(obj6, |
|---|
| 995 | new Cons(obj7))))))); |
|---|
| 996 | } |
|---|
| 997 | |
|---|
| 998 | @Deprecated |
|---|
| 999 | public static final Cons list8(LispObject obj1, LispObject obj2, |
|---|
| 1000 | LispObject obj3, LispObject obj4, |
|---|
| 1001 | LispObject obj5, LispObject obj6, |
|---|
| 1002 | LispObject obj7, LispObject obj8) |
|---|
| 1003 | { |
|---|
| 1004 | return new Cons(obj1, |
|---|
| 1005 | new Cons(obj2, |
|---|
| 1006 | new Cons(obj3, |
|---|
| 1007 | new Cons(obj4, |
|---|
| 1008 | new Cons(obj5, |
|---|
| 1009 | new Cons(obj6, |
|---|
| 1010 | new Cons(obj7, |
|---|
| 1011 | new Cons(obj8)))))))); |
|---|
| 1012 | } |
|---|
| 1013 | |
|---|
| 1014 | @Deprecated |
|---|
| 1015 | public static final Cons list9(LispObject obj1, LispObject obj2, |
|---|
| 1016 | LispObject obj3, LispObject obj4, |
|---|
| 1017 | LispObject obj5, LispObject obj6, |
|---|
| 1018 | LispObject obj7, LispObject obj8, |
|---|
| 1019 | LispObject obj9) |
|---|
| 1020 | { |
|---|
| 1021 | return new Cons(obj1, |
|---|
| 1022 | new Cons(obj2, |
|---|
| 1023 | new Cons(obj3, |
|---|
| 1024 | new Cons(obj4, |
|---|
| 1025 | new Cons(obj5, |
|---|
| 1026 | new Cons(obj6, |
|---|
| 1027 | new Cons(obj7, |
|---|
| 1028 | new Cons(obj8, |
|---|
| 1029 | new Cons(obj9))))))))); |
|---|
| 1030 | } |
|---|
| 1031 | |
|---|
| 1032 | // Used by the compiler. |
|---|
| 1033 | public static final LispObject multipleValueList(LispObject result) |
|---|
| 1034 | |
|---|
| 1035 | { |
|---|
| 1036 | LispThread thread = LispThread.currentThread(); |
|---|
| 1037 | LispObject[] values = thread._values; |
|---|
| 1038 | if (values == null) |
|---|
| 1039 | return new Cons(result); |
|---|
| 1040 | thread._values = null; |
|---|
| 1041 | LispObject list = NIL; |
|---|
| 1042 | for (int i = values.length; i-- > 0;) |
|---|
| 1043 | list = new Cons(values[i], list); |
|---|
| 1044 | return list; |
|---|
| 1045 | } |
|---|
| 1046 | |
|---|
| 1047 | // Used by the compiler for MULTIPLE-VALUE-CALLs with a single values form. |
|---|
| 1048 | public static final LispObject multipleValueCall1(LispObject result, |
|---|
| 1049 | LispObject function, |
|---|
| 1050 | LispThread thread) |
|---|
| 1051 | |
|---|
| 1052 | { |
|---|
| 1053 | LispObject[] values = thread._values; |
|---|
| 1054 | thread._values = null; |
|---|
| 1055 | if (values == null) |
|---|
| 1056 | return thread.execute(coerceToFunction(function), result); |
|---|
| 1057 | else |
|---|
| 1058 | return funcall(coerceToFunction(function), values, thread); |
|---|
| 1059 | } |
|---|
| 1060 | |
|---|
| 1061 | public static final void progvBindVars(LispObject symbols, |
|---|
| 1062 | LispObject values, |
|---|
| 1063 | LispThread thread) |
|---|
| 1064 | |
|---|
| 1065 | { |
|---|
| 1066 | for (LispObject list = symbols; list != NIL; list = list.cdr()) |
|---|
| 1067 | { |
|---|
| 1068 | Symbol symbol = checkSymbol(list.car()); |
|---|
| 1069 | LispObject value; |
|---|
| 1070 | if (values != NIL) |
|---|
| 1071 | { |
|---|
| 1072 | value = values.car(); |
|---|
| 1073 | values = values.cdr(); |
|---|
| 1074 | } |
|---|
| 1075 | else |
|---|
| 1076 | { |
|---|
| 1077 | // "If too few values are supplied, the remaining symbols are |
|---|
| 1078 | // bound and then made to have no value." |
|---|
| 1079 | value = null; |
|---|
| 1080 | } |
|---|
| 1081 | thread.bindSpecial(symbol, value); |
|---|
| 1082 | } |
|---|
| 1083 | } |
|---|
| 1084 | |
|---|
| 1085 | public static Symbol checkSymbol(LispObject obj) |
|---|
| 1086 | { |
|---|
| 1087 | if (obj instanceof Symbol) |
|---|
| 1088 | return (Symbol) obj; |
|---|
| 1089 | return (Symbol)// Not reached. |
|---|
| 1090 | type_error(obj, Symbol.SYMBOL); |
|---|
| 1091 | } |
|---|
| 1092 | |
|---|
| 1093 | public static final LispObject checkList(LispObject obj) |
|---|
| 1094 | |
|---|
| 1095 | { |
|---|
| 1096 | if (obj.listp()) |
|---|
| 1097 | return obj; |
|---|
| 1098 | return type_error(obj, Symbol.LIST); |
|---|
| 1099 | } |
|---|
| 1100 | |
|---|
| 1101 | public static final AbstractArray checkArray(LispObject obj) |
|---|
| 1102 | |
|---|
| 1103 | { |
|---|
| 1104 | if (obj instanceof AbstractArray) |
|---|
| 1105 | return (AbstractArray) obj; |
|---|
| 1106 | return (AbstractArray)// Not reached. |
|---|
| 1107 | type_error(obj, Symbol.ARRAY); |
|---|
| 1108 | } |
|---|
| 1109 | |
|---|
| 1110 | public static final AbstractVector checkVector(LispObject obj) |
|---|
| 1111 | |
|---|
| 1112 | { |
|---|
| 1113 | if (obj instanceof AbstractVector) |
|---|
| 1114 | return (AbstractVector) obj; |
|---|
| 1115 | return (AbstractVector)// Not reached. |
|---|
| 1116 | type_error(obj, Symbol.VECTOR); |
|---|
| 1117 | } |
|---|
| 1118 | |
|---|
| 1119 | public static final DoubleFloat checkDoubleFloat(LispObject obj) |
|---|
| 1120 | |
|---|
| 1121 | { |
|---|
| 1122 | if (obj instanceof DoubleFloat) |
|---|
| 1123 | return (DoubleFloat) obj; |
|---|
| 1124 | return (DoubleFloat)// Not reached. |
|---|
| 1125 | type_error(obj, Symbol.DOUBLE_FLOAT); |
|---|
| 1126 | } |
|---|
| 1127 | |
|---|
| 1128 | public static final SingleFloat checkSingleFloat(LispObject obj) |
|---|
| 1129 | |
|---|
| 1130 | { |
|---|
| 1131 | if (obj instanceof SingleFloat) |
|---|
| 1132 | return (SingleFloat) obj; |
|---|
| 1133 | return (SingleFloat)// Not reached. |
|---|
| 1134 | type_error(obj, Symbol.SINGLE_FLOAT); |
|---|
| 1135 | } |
|---|
| 1136 | |
|---|
| 1137 | public static final StackFrame checkStackFrame(LispObject obj) |
|---|
| 1138 | |
|---|
| 1139 | { |
|---|
| 1140 | if (obj instanceof StackFrame) |
|---|
| 1141 | return (StackFrame) obj; |
|---|
| 1142 | return (StackFrame)// Not reached. |
|---|
| 1143 | type_error(obj, Symbol.STACK_FRAME); |
|---|
| 1144 | } |
|---|
| 1145 | |
|---|
| 1146 | static |
|---|
| 1147 | { |
|---|
| 1148 | // ### *gensym-counter* |
|---|
| 1149 | Symbol.GENSYM_COUNTER.initializeSpecial(Fixnum.ZERO); |
|---|
| 1150 | } |
|---|
| 1151 | |
|---|
| 1152 | public static final Symbol gensym(LispThread thread) |
|---|
| 1153 | |
|---|
| 1154 | { |
|---|
| 1155 | return gensym("G", thread); |
|---|
| 1156 | } |
|---|
| 1157 | |
|---|
| 1158 | public static final Symbol gensym(String prefix, LispThread thread) |
|---|
| 1159 | |
|---|
| 1160 | { |
|---|
| 1161 | StringBuilder sb = new StringBuilder(prefix); |
|---|
| 1162 | SpecialBinding binding = thread.getSpecialBinding(Symbol.GENSYM_COUNTER); |
|---|
| 1163 | final LispObject oldValue; |
|---|
| 1164 | if (binding != null) { |
|---|
| 1165 | oldValue = binding.value; |
|---|
| 1166 | if (oldValue instanceof Fixnum |
|---|
| 1167 | || oldValue instanceof Bignum) |
|---|
| 1168 | binding.value = oldValue.incr(); |
|---|
| 1169 | else { |
|---|
| 1170 | Symbol.GENSYM_COUNTER.setSymbolValue(Fixnum.ZERO); |
|---|
| 1171 | error(new TypeError("The value of *GENSYM-COUNTER* was not a nonnegative integer. Old value: " + |
|---|
| 1172 | oldValue.princToString() + " New value: 0")); |
|---|
| 1173 | } |
|---|
| 1174 | } else { |
|---|
| 1175 | // we're manipulating a global resource |
|---|
| 1176 | // make sure we operate thread-safely |
|---|
| 1177 | synchronized (Symbol.GENSYM_COUNTER) { |
|---|
| 1178 | oldValue = Symbol.GENSYM_COUNTER.getSymbolValue(); |
|---|
| 1179 | if (oldValue instanceof Fixnum |
|---|
| 1180 | || oldValue instanceof Bignum) |
|---|
| 1181 | Symbol.GENSYM_COUNTER.setSymbolValue(oldValue.incr()); |
|---|
| 1182 | else { |
|---|
| 1183 | Symbol.GENSYM_COUNTER.setSymbolValue(Fixnum.ZERO); |
|---|
| 1184 | error(new TypeError("The value of *GENSYM-COUNTER* was not a nonnegative integer. Old value: " + |
|---|
| 1185 | oldValue.princToString() + " New value: 0")); |
|---|
| 1186 | } |
|---|
| 1187 | } |
|---|
| 1188 | } |
|---|
| 1189 | |
|---|
| 1190 | // Decimal representation. |
|---|
| 1191 | if (oldValue instanceof Fixnum) |
|---|
| 1192 | sb.append(((Fixnum)oldValue).value); |
|---|
| 1193 | else if (oldValue instanceof Bignum) |
|---|
| 1194 | sb.append(((Bignum)oldValue).value.toString()); |
|---|
| 1195 | |
|---|
| 1196 | return new Symbol(new SimpleString(sb)); |
|---|
| 1197 | } |
|---|
| 1198 | |
|---|
| 1199 | public static final String javaString(LispObject arg) |
|---|
| 1200 | |
|---|
| 1201 | { |
|---|
| 1202 | if (arg instanceof AbstractString) |
|---|
| 1203 | return arg.getStringValue(); |
|---|
| 1204 | if (arg instanceof Symbol) |
|---|
| 1205 | return ((Symbol)arg).getName(); |
|---|
| 1206 | if (arg instanceof LispCharacter) |
|---|
| 1207 | return String.valueOf(new char[] {((LispCharacter)arg).value}); |
|---|
| 1208 | type_error(arg, list(Symbol.OR, Symbol.STRING, Symbol.SYMBOL, |
|---|
| 1209 | Symbol.CHARACTER)); |
|---|
| 1210 | // Not reached. |
|---|
| 1211 | return null; |
|---|
| 1212 | } |
|---|
| 1213 | |
|---|
| 1214 | public static final LispObject number(long n) |
|---|
| 1215 | { |
|---|
| 1216 | if (n >= Integer.MIN_VALUE && n <= Integer.MAX_VALUE) |
|---|
| 1217 | return Fixnum.getInstance((int)n); |
|---|
| 1218 | else |
|---|
| 1219 | return Bignum.getInstance(n); |
|---|
| 1220 | } |
|---|
| 1221 | |
|---|
| 1222 | private static final BigInteger INT_MIN = BigInteger.valueOf(Integer.MIN_VALUE); |
|---|
| 1223 | private static final BigInteger INT_MAX = BigInteger.valueOf(Integer.MAX_VALUE); |
|---|
| 1224 | |
|---|
| 1225 | public static final LispObject number(BigInteger numerator, |
|---|
| 1226 | BigInteger denominator) |
|---|
| 1227 | |
|---|
| 1228 | { |
|---|
| 1229 | if (denominator.signum() == 0) |
|---|
| 1230 | error(new DivisionByZero()); |
|---|
| 1231 | if (denominator.signum() < 0) |
|---|
| 1232 | { |
|---|
| 1233 | numerator = numerator.negate(); |
|---|
| 1234 | denominator = denominator.negate(); |
|---|
| 1235 | } |
|---|
| 1236 | BigInteger gcd = numerator.gcd(denominator); |
|---|
| 1237 | if (!gcd.equals(BigInteger.ONE)) |
|---|
| 1238 | { |
|---|
| 1239 | numerator = numerator.divide(gcd); |
|---|
| 1240 | denominator = denominator.divide(gcd); |
|---|
| 1241 | } |
|---|
| 1242 | if (denominator.equals(BigInteger.ONE)) |
|---|
| 1243 | return number(numerator); |
|---|
| 1244 | else |
|---|
| 1245 | return new Ratio(numerator, denominator); |
|---|
| 1246 | } |
|---|
| 1247 | |
|---|
| 1248 | public static final LispObject number(BigInteger n) |
|---|
| 1249 | { |
|---|
| 1250 | if (n.compareTo(INT_MIN) >= 0 && n.compareTo(INT_MAX) <= 0) |
|---|
| 1251 | return Fixnum.getInstance(n.intValue()); |
|---|
| 1252 | else |
|---|
| 1253 | return Bignum.getInstance(n); |
|---|
| 1254 | } |
|---|
| 1255 | |
|---|
| 1256 | public static final int mod(int number, int divisor) |
|---|
| 1257 | |
|---|
| 1258 | { |
|---|
| 1259 | final int r; |
|---|
| 1260 | try |
|---|
| 1261 | { |
|---|
| 1262 | r = number % divisor; |
|---|
| 1263 | } |
|---|
| 1264 | catch (ArithmeticException e) |
|---|
| 1265 | { |
|---|
| 1266 | error(new ArithmeticError("Division by zero.")); |
|---|
| 1267 | // Not reached. |
|---|
| 1268 | return 0; |
|---|
| 1269 | } |
|---|
| 1270 | if (r == 0) |
|---|
| 1271 | return r; |
|---|
| 1272 | if (divisor < 0) |
|---|
| 1273 | { |
|---|
| 1274 | if (number > 0) |
|---|
| 1275 | return r + divisor; |
|---|
| 1276 | } |
|---|
| 1277 | else |
|---|
| 1278 | { |
|---|
| 1279 | if (number < 0) |
|---|
| 1280 | return r + divisor; |
|---|
| 1281 | } |
|---|
| 1282 | return r; |
|---|
| 1283 | } |
|---|
| 1284 | |
|---|
| 1285 | // Adapted from SBCL. |
|---|
| 1286 | public static final int mix(long x, long y) |
|---|
| 1287 | { |
|---|
| 1288 | long xy = x * 3 + y; |
|---|
| 1289 | return (int) (536870911L & (441516657L ^ xy ^ (xy >> 5))); |
|---|
| 1290 | } |
|---|
| 1291 | |
|---|
| 1292 | // Used by the compiler. |
|---|
| 1293 | public static LispObject readObjectFromString(String s) |
|---|
| 1294 | { |
|---|
| 1295 | return readObjectFromReader(new StringReader(s)); |
|---|
| 1296 | } |
|---|
| 1297 | |
|---|
| 1298 | final static Charset UTF8CHARSET = Charset.forName("UTF-8"); |
|---|
| 1299 | public static LispObject readObjectFromStream(InputStream s) |
|---|
| 1300 | { |
|---|
| 1301 | return readObjectFromReader(new InputStreamReader(s)); |
|---|
| 1302 | } |
|---|
| 1303 | |
|---|
| 1304 | public static LispObject readObjectFromReader(Reader r) |
|---|
| 1305 | { |
|---|
| 1306 | LispThread thread = LispThread.currentThread(); |
|---|
| 1307 | SpecialBindingsMark mark = thread.markSpecialBindings(); |
|---|
| 1308 | try { |
|---|
| 1309 | thread.bindSpecial(Symbol.READ_BASE, LispInteger.getInstance(10)); |
|---|
| 1310 | thread.bindSpecial(Symbol.READ_EVAL, Symbol.T); |
|---|
| 1311 | thread.bindSpecial(Symbol.READ_SUPPRESS, Nil.NIL); |
|---|
| 1312 | // No need to bind read default float format: all floats are written |
|---|
| 1313 | // with their correct exponent markers due to the fact that DUMP-FORM |
|---|
| 1314 | // binds read-default-float-format to NIL |
|---|
| 1315 | |
|---|
| 1316 | // No need to bind the default read table, because the default fasl |
|---|
| 1317 | // read table is used below |
|---|
| 1318 | return new Stream(Symbol.SYSTEM_STREAM, r).read(true, NIL, false, |
|---|
| 1319 | LispThread.currentThread(), |
|---|
| 1320 | Stream.faslReadtable); |
|---|
| 1321 | } |
|---|
| 1322 | finally { |
|---|
| 1323 | thread.resetSpecialBindings(mark); |
|---|
| 1324 | } |
|---|
| 1325 | } |
|---|
| 1326 | |
|---|
| 1327 | @Deprecated |
|---|
| 1328 | public static final LispObject loadCompiledFunction(final String namestring) |
|---|
| 1329 | { |
|---|
| 1330 | Pathname name = new Pathname(namestring); |
|---|
| 1331 | byte[] bytes = readFunctionBytes(name); |
|---|
| 1332 | if (bytes != null) |
|---|
| 1333 | return loadClassBytes(bytes); |
|---|
| 1334 | |
|---|
| 1335 | return null; |
|---|
| 1336 | } |
|---|
| 1337 | |
|---|
| 1338 | public static byte[] readFunctionBytes(final Pathname name) { |
|---|
| 1339 | final LispThread thread = LispThread.currentThread(); |
|---|
| 1340 | Pathname load = null; |
|---|
| 1341 | LispObject truenameFasl = Symbol.LOAD_TRUENAME_FASL.symbolValue(thread); |
|---|
| 1342 | LispObject truename = Symbol.LOAD_TRUENAME.symbolValue(thread); |
|---|
| 1343 | if (truenameFasl instanceof Pathname) { |
|---|
| 1344 | load = Pathname.mergePathnames(name, (Pathname)truenameFasl, Keyword.NEWEST); |
|---|
| 1345 | } else if (truename instanceof Pathname) { |
|---|
| 1346 | load = Pathname.mergePathnames(name, (Pathname) truename, Keyword.NEWEST); |
|---|
| 1347 | } else { |
|---|
| 1348 | if (!Pathname.truename(name).equals(NIL)) { |
|---|
| 1349 | load = name; |
|---|
| 1350 | } else { |
|---|
| 1351 | load = null; |
|---|
| 1352 | } |
|---|
| 1353 | } |
|---|
| 1354 | InputStream input = null; |
|---|
| 1355 | if (load != null) { |
|---|
| 1356 | input = load.getInputStream(); |
|---|
| 1357 | } else { |
|---|
| 1358 | // Make a last-ditch attempt to load from the boot classpath XXX OSGi hack |
|---|
| 1359 | URL url = null; |
|---|
| 1360 | try { |
|---|
| 1361 | url = Lisp.class.getResource(name.getNamestring()); |
|---|
| 1362 | input = url.openStream(); |
|---|
| 1363 | } catch (IOException e) { |
|---|
| 1364 | System.err.println("Failed to read class bytes from boot class " + url); |
|---|
| 1365 | error(new LispError("Failed to read class bytes from boot class " + url)); |
|---|
| 1366 | } |
|---|
| 1367 | } |
|---|
| 1368 | byte[] bytes = new byte[4096]; |
|---|
| 1369 | try { |
|---|
| 1370 | if (input == null) { |
|---|
| 1371 | Debug.trace("Pathname: " + name); |
|---|
| 1372 | Debug.trace("load: " + load); |
|---|
| 1373 | Debug.trace("LOAD_TRUENAME_FASL: " + truenameFasl); |
|---|
| 1374 | Debug.trace("LOAD_TRUENAME: " + truename); |
|---|
| 1375 | Debug.assertTrue(input != null); |
|---|
| 1376 | } |
|---|
| 1377 | |
|---|
| 1378 | int n = 0; |
|---|
| 1379 | java.io.ByteArrayOutputStream baos = new java.io.ByteArrayOutputStream(); |
|---|
| 1380 | try { |
|---|
| 1381 | while (n >= 0) { |
|---|
| 1382 | n = input.read(bytes, 0, 4096); |
|---|
| 1383 | if (n >= 0) { |
|---|
| 1384 | baos.write(bytes, 0, n); |
|---|
| 1385 | } |
|---|
| 1386 | } |
|---|
| 1387 | } catch (IOException e) { |
|---|
| 1388 | Debug.trace("Failed to read bytes from " |
|---|
| 1389 | + "'" + name.getNamestring() + "'"); |
|---|
| 1390 | return null; |
|---|
| 1391 | } |
|---|
| 1392 | bytes = baos.toByteArray(); |
|---|
| 1393 | } finally { |
|---|
| 1394 | try { |
|---|
| 1395 | input.close(); |
|---|
| 1396 | } catch (IOException e) { |
|---|
| 1397 | Debug.trace("Failed to close InputStream: " + e); |
|---|
| 1398 | } |
|---|
| 1399 | } |
|---|
| 1400 | return bytes; |
|---|
| 1401 | } |
|---|
| 1402 | |
|---|
| 1403 | public static final Function makeCompiledFunctionFromClass(Class<?> c) { |
|---|
| 1404 | try { |
|---|
| 1405 | if (c != null) { |
|---|
| 1406 | Function obj = (Function)c.newInstance(); |
|---|
| 1407 | return obj; |
|---|
| 1408 | } else { |
|---|
| 1409 | return null; |
|---|
| 1410 | } |
|---|
| 1411 | } |
|---|
| 1412 | catch (InstantiationException e) {} // ### FIXME |
|---|
| 1413 | catch (IllegalAccessException e) {} // ### FIXME |
|---|
| 1414 | |
|---|
| 1415 | return null; |
|---|
| 1416 | } |
|---|
| 1417 | |
|---|
| 1418 | |
|---|
| 1419 | public static final LispObject loadCompiledFunction(InputStream in, int size) |
|---|
| 1420 | { |
|---|
| 1421 | byte[] bytes = readFunctionBytes(in, size); |
|---|
| 1422 | if (bytes != null) |
|---|
| 1423 | return loadClassBytes(bytes); |
|---|
| 1424 | else |
|---|
| 1425 | return error(new FileError("Can't read file off stream.")); |
|---|
| 1426 | } |
|---|
| 1427 | |
|---|
| 1428 | |
|---|
| 1429 | |
|---|
| 1430 | private static final byte[] readFunctionBytes(InputStream in, int size) |
|---|
| 1431 | { |
|---|
| 1432 | try |
|---|
| 1433 | { |
|---|
| 1434 | byte[] bytes = new byte[size]; |
|---|
| 1435 | int bytesRemaining = size; |
|---|
| 1436 | int bytesRead = 0; |
|---|
| 1437 | while (bytesRemaining > 0) |
|---|
| 1438 | { |
|---|
| 1439 | int n = in.read(bytes, bytesRead, bytesRemaining); |
|---|
| 1440 | if (n < 0) |
|---|
| 1441 | break; |
|---|
| 1442 | bytesRead += n; |
|---|
| 1443 | bytesRemaining -= n; |
|---|
| 1444 | } |
|---|
| 1445 | in.close(); |
|---|
| 1446 | if (bytesRemaining > 0) |
|---|
| 1447 | Debug.trace("bytesRemaining = " + bytesRemaining); |
|---|
| 1448 | |
|---|
| 1449 | return bytes; |
|---|
| 1450 | } |
|---|
| 1451 | catch (IOException t) |
|---|
| 1452 | { |
|---|
| 1453 | Debug.trace(t); // FIXME: call error()? |
|---|
| 1454 | } |
|---|
| 1455 | return null; |
|---|
| 1456 | } |
|---|
| 1457 | |
|---|
| 1458 | public static final Function loadClassBytes(byte[] bytes) |
|---|
| 1459 | { |
|---|
| 1460 | return loadClassBytes(bytes, new JavaClassLoader()); |
|---|
| 1461 | } |
|---|
| 1462 | |
|---|
| 1463 | public static final Function loadClassBytes(byte[] bytes, |
|---|
| 1464 | JavaClassLoader cl) |
|---|
| 1465 | { |
|---|
| 1466 | Class<?> c = cl.loadClassFromByteArray(null, bytes, 0, bytes.length); |
|---|
| 1467 | Function obj = makeCompiledFunctionFromClass(c); |
|---|
| 1468 | if (obj != null) { |
|---|
| 1469 | obj.setClassBytes(bytes); |
|---|
| 1470 | } |
|---|
| 1471 | return obj; |
|---|
| 1472 | } |
|---|
| 1473 | |
|---|
| 1474 | |
|---|
| 1475 | public static final LispObject makeCompiledClosure(LispObject template, |
|---|
| 1476 | ClosureBinding[] context) |
|---|
| 1477 | |
|---|
| 1478 | { |
|---|
| 1479 | return ((CompiledClosure)template).dup().setContext(context); |
|---|
| 1480 | } |
|---|
| 1481 | |
|---|
| 1482 | public static final String safeWriteToString(LispObject obj) |
|---|
| 1483 | { |
|---|
| 1484 | try { |
|---|
| 1485 | return obj.printObject(); |
|---|
| 1486 | } |
|---|
| 1487 | catch (NullPointerException e) |
|---|
| 1488 | { |
|---|
| 1489 | Debug.trace(e); |
|---|
| 1490 | return "null"; |
|---|
| 1491 | } |
|---|
| 1492 | } |
|---|
| 1493 | |
|---|
| 1494 | public static final boolean isValidSetfFunctionName(LispObject obj) |
|---|
| 1495 | { |
|---|
| 1496 | if (obj instanceof Cons) |
|---|
| 1497 | { |
|---|
| 1498 | Cons cons = (Cons) obj; |
|---|
| 1499 | if (cons.car == Symbol.SETF && cons.cdr instanceof Cons) |
|---|
| 1500 | { |
|---|
| 1501 | Cons cdr = (Cons) cons.cdr; |
|---|
| 1502 | return (cdr.car instanceof Symbol && cdr.cdr == NIL); |
|---|
| 1503 | } |
|---|
| 1504 | } |
|---|
| 1505 | return false; |
|---|
| 1506 | } |
|---|
| 1507 | |
|---|
| 1508 | public static final boolean isValidMacroFunctionName(LispObject obj) |
|---|
| 1509 | { |
|---|
| 1510 | if (obj instanceof Cons) |
|---|
| 1511 | { |
|---|
| 1512 | Cons cons = (Cons) obj; |
|---|
| 1513 | if (cons.car == Symbol.MACRO_FUNCTION && cons.cdr instanceof Cons) |
|---|
| 1514 | { |
|---|
| 1515 | Cons cdr = (Cons) cons.cdr; |
|---|
| 1516 | return (cdr.car instanceof Symbol && cdr.cdr == NIL); |
|---|
| 1517 | } |
|---|
| 1518 | } |
|---|
| 1519 | return false; |
|---|
| 1520 | } |
|---|
| 1521 | |
|---|
| 1522 | |
|---|
| 1523 | public static final LispObject FUNCTION_NAME = |
|---|
| 1524 | list(Symbol.OR, |
|---|
| 1525 | Symbol.SYMBOL, |
|---|
| 1526 | list(Symbol.CONS, |
|---|
| 1527 | list(Symbol.EQL, Symbol.SETF), |
|---|
| 1528 | list(Symbol.CONS, Symbol.SYMBOL, Symbol.NULL))); |
|---|
| 1529 | |
|---|
| 1530 | public static final LispObject UNSIGNED_BYTE_8 = |
|---|
| 1531 | list(Symbol.UNSIGNED_BYTE, Fixnum.constants[8]); |
|---|
| 1532 | |
|---|
| 1533 | public static final LispObject UNSIGNED_BYTE_16 = |
|---|
| 1534 | list(Symbol.UNSIGNED_BYTE, Fixnum.constants[16]); |
|---|
| 1535 | |
|---|
| 1536 | public static final LispObject UNSIGNED_BYTE_32 = |
|---|
| 1537 | list(Symbol.UNSIGNED_BYTE, Fixnum.constants[32]); |
|---|
| 1538 | |
|---|
| 1539 | public static final LispObject UNSIGNED_BYTE_32_MAX_VALUE = |
|---|
| 1540 | Bignum.getInstance(4294967296L); |
|---|
| 1541 | |
|---|
| 1542 | public static final LispObject getUpgradedArrayElementType(LispObject type) |
|---|
| 1543 | |
|---|
| 1544 | { |
|---|
| 1545 | if (type instanceof Symbol) |
|---|
| 1546 | { |
|---|
| 1547 | if (type == Symbol.CHARACTER || type == Symbol.BASE_CHAR || |
|---|
| 1548 | type == Symbol.STANDARD_CHAR) |
|---|
| 1549 | return Symbol.CHARACTER; |
|---|
| 1550 | if (type == Symbol.BIT) |
|---|
| 1551 | return Symbol.BIT; |
|---|
| 1552 | if (type == NIL) |
|---|
| 1553 | return NIL; |
|---|
| 1554 | } |
|---|
| 1555 | if (type == BuiltInClass.CHARACTER) |
|---|
| 1556 | return Symbol.CHARACTER; |
|---|
| 1557 | if (type instanceof Cons) |
|---|
| 1558 | { |
|---|
| 1559 | if (type.equal(UNSIGNED_BYTE_8)) |
|---|
| 1560 | return type; |
|---|
| 1561 | if (type.equal(UNSIGNED_BYTE_16)) |
|---|
| 1562 | return type; |
|---|
| 1563 | if (type.equal(UNSIGNED_BYTE_32)) |
|---|
| 1564 | return type; |
|---|
| 1565 | LispObject car = type.car(); |
|---|
| 1566 | if (car == Symbol.INTEGER) |
|---|
| 1567 | { |
|---|
| 1568 | LispObject lower = type.cadr(); |
|---|
| 1569 | LispObject upper = type.cdr().cadr(); |
|---|
| 1570 | // Convert to inclusive bounds. |
|---|
| 1571 | if (lower instanceof Cons) |
|---|
| 1572 | lower = lower.car().incr(); |
|---|
| 1573 | if (upper instanceof Cons) |
|---|
| 1574 | upper = upper.car().decr(); |
|---|
| 1575 | if (lower.integerp() && upper.integerp()) |
|---|
| 1576 | { |
|---|
| 1577 | if (lower instanceof Fixnum && upper instanceof Fixnum) |
|---|
| 1578 | { |
|---|
| 1579 | int l = ((Fixnum)lower).value; |
|---|
| 1580 | if (l >= 0) |
|---|
| 1581 | { |
|---|
| 1582 | int u = ((Fixnum)upper).value; |
|---|
| 1583 | if (u <= 1) |
|---|
| 1584 | return Symbol.BIT; |
|---|
| 1585 | if (u <= 255) |
|---|
| 1586 | return UNSIGNED_BYTE_8; |
|---|
| 1587 | if (u <= 65535) |
|---|
| 1588 | return UNSIGNED_BYTE_16; |
|---|
| 1589 | return UNSIGNED_BYTE_32; |
|---|
| 1590 | } |
|---|
| 1591 | } |
|---|
| 1592 | if (lower.isGreaterThanOrEqualTo(Fixnum.ZERO)) |
|---|
| 1593 | { |
|---|
| 1594 | if (lower.isLessThan(UNSIGNED_BYTE_32_MAX_VALUE)) |
|---|
| 1595 | { |
|---|
| 1596 | if (upper.isLessThan(UNSIGNED_BYTE_32_MAX_VALUE)) |
|---|
| 1597 | return UNSIGNED_BYTE_32; |
|---|
| 1598 | } |
|---|
| 1599 | } |
|---|
| 1600 | } |
|---|
| 1601 | } |
|---|
| 1602 | else if (car == Symbol.EQL) |
|---|
| 1603 | { |
|---|
| 1604 | LispObject obj = type.cadr(); |
|---|
| 1605 | if (obj instanceof Fixnum) |
|---|
| 1606 | { |
|---|
| 1607 | int val = ((Fixnum)obj).value; |
|---|
| 1608 | if (val >= 0) |
|---|
| 1609 | { |
|---|
| 1610 | if (val <= 1) |
|---|
| 1611 | return Symbol.BIT; |
|---|
| 1612 | if (val <= 255) |
|---|
| 1613 | return UNSIGNED_BYTE_8; |
|---|
| 1614 | if (val <= 65535) |
|---|
| 1615 | return UNSIGNED_BYTE_16; |
|---|
| 1616 | return UNSIGNED_BYTE_32; |
|---|
| 1617 | } |
|---|
| 1618 | } |
|---|
| 1619 | else if (obj instanceof Bignum) |
|---|
| 1620 | { |
|---|
| 1621 | if (obj.isGreaterThanOrEqualTo(Fixnum.ZERO)) |
|---|
| 1622 | { |
|---|
| 1623 | if (obj.isLessThan(UNSIGNED_BYTE_32_MAX_VALUE)) |
|---|
| 1624 | return UNSIGNED_BYTE_32; |
|---|
| 1625 | } |
|---|
| 1626 | } |
|---|
| 1627 | } |
|---|
| 1628 | else if (car == Symbol.MEMBER) |
|---|
| 1629 | { |
|---|
| 1630 | LispObject rest = type.cdr(); |
|---|
| 1631 | while (rest != NIL) |
|---|
| 1632 | { |
|---|
| 1633 | LispObject obj = rest.car(); |
|---|
| 1634 | if (obj instanceof LispCharacter) |
|---|
| 1635 | rest = rest.cdr(); |
|---|
| 1636 | else |
|---|
| 1637 | return T; |
|---|
| 1638 | } |
|---|
| 1639 | return Symbol.CHARACTER; |
|---|
| 1640 | } |
|---|
| 1641 | } |
|---|
| 1642 | return T; |
|---|
| 1643 | } |
|---|
| 1644 | |
|---|
| 1645 | public static final byte coerceLispObjectToJavaByte(LispObject obj) |
|---|
| 1646 | |
|---|
| 1647 | { |
|---|
| 1648 | return (byte)Fixnum.getValue(obj); |
|---|
| 1649 | } |
|---|
| 1650 | |
|---|
| 1651 | public static final LispObject coerceJavaByteToLispObject(byte b) |
|---|
| 1652 | { |
|---|
| 1653 | return Fixnum.constants[((int)b) & 0xff]; |
|---|
| 1654 | } |
|---|
| 1655 | |
|---|
| 1656 | public static final LispCharacter checkCharacter(LispObject obj) |
|---|
| 1657 | |
|---|
| 1658 | { |
|---|
| 1659 | if (obj instanceof LispCharacter) |
|---|
| 1660 | return (LispCharacter) obj; |
|---|
| 1661 | return (LispCharacter) // Not reached. |
|---|
| 1662 | type_error(obj, Symbol.CHARACTER); |
|---|
| 1663 | } |
|---|
| 1664 | |
|---|
| 1665 | public static final Package checkPackage(LispObject obj) |
|---|
| 1666 | |
|---|
| 1667 | { |
|---|
| 1668 | if (obj instanceof Package) |
|---|
| 1669 | return (Package) obj; |
|---|
| 1670 | return (Package) // Not reached. |
|---|
| 1671 | type_error(obj, Symbol.PACKAGE); |
|---|
| 1672 | } |
|---|
| 1673 | |
|---|
| 1674 | public static Pathname checkPathname(LispObject obj) |
|---|
| 1675 | { |
|---|
| 1676 | if (obj instanceof Pathname) |
|---|
| 1677 | return (Pathname) obj; |
|---|
| 1678 | return (Pathname) // Not reached. |
|---|
| 1679 | type_error(obj, Symbol.PATHNAME); |
|---|
| 1680 | } |
|---|
| 1681 | |
|---|
| 1682 | public static final Function checkFunction(LispObject obj) |
|---|
| 1683 | |
|---|
| 1684 | { |
|---|
| 1685 | if (obj instanceof Function) |
|---|
| 1686 | return (Function) obj; |
|---|
| 1687 | return (Function) // Not reached. |
|---|
| 1688 | type_error(obj, Symbol.FUNCTION); |
|---|
| 1689 | } |
|---|
| 1690 | |
|---|
| 1691 | public static final Stream checkStream(LispObject obj) |
|---|
| 1692 | |
|---|
| 1693 | { |
|---|
| 1694 | if (obj instanceof Stream) |
|---|
| 1695 | return (Stream) obj; |
|---|
| 1696 | return (Stream) // Not reached. |
|---|
| 1697 | type_error(obj, Symbol.STREAM); |
|---|
| 1698 | } |
|---|
| 1699 | |
|---|
| 1700 | public static final Stream checkCharacterInputStream(LispObject obj) |
|---|
| 1701 | |
|---|
| 1702 | { |
|---|
| 1703 | final Stream stream = checkStream(obj); |
|---|
| 1704 | if (stream.isCharacterInputStream()) |
|---|
| 1705 | return stream; |
|---|
| 1706 | return (Stream) // Not reached. |
|---|
| 1707 | error(new TypeError("The value " + obj.princToString() + |
|---|
| 1708 | " is not a character input stream.")); |
|---|
| 1709 | } |
|---|
| 1710 | |
|---|
| 1711 | public static final Stream checkCharacterOutputStream(LispObject obj) |
|---|
| 1712 | |
|---|
| 1713 | { |
|---|
| 1714 | final Stream stream = checkStream(obj); |
|---|
| 1715 | if (stream.isCharacterOutputStream()) |
|---|
| 1716 | return stream; |
|---|
| 1717 | return (Stream) // Not reached. |
|---|
| 1718 | error(new TypeError("The value " + obj.princToString() + |
|---|
| 1719 | " is not a character output stream.")); |
|---|
| 1720 | } |
|---|
| 1721 | |
|---|
| 1722 | public static final Stream checkBinaryInputStream(LispObject obj) |
|---|
| 1723 | |
|---|
| 1724 | { |
|---|
| 1725 | final Stream stream = checkStream(obj); |
|---|
| 1726 | if (stream.isBinaryInputStream()) |
|---|
| 1727 | return stream; |
|---|
| 1728 | return (Stream) // Not reached. |
|---|
| 1729 | error(new TypeError("The value " + obj.princToString() + |
|---|
| 1730 | " is not a binary input stream.")); |
|---|
| 1731 | } |
|---|
| 1732 | |
|---|
| 1733 | public static final Stream outSynonymOf(LispObject obj) |
|---|
| 1734 | |
|---|
| 1735 | { |
|---|
| 1736 | if (obj instanceof Stream) |
|---|
| 1737 | return (Stream) obj; |
|---|
| 1738 | if (obj == T) |
|---|
| 1739 | return checkCharacterOutputStream(Symbol.TERMINAL_IO.symbolValue()); |
|---|
| 1740 | if (obj == NIL) |
|---|
| 1741 | return checkCharacterOutputStream(Symbol.STANDARD_OUTPUT.symbolValue()); |
|---|
| 1742 | return (Stream) // Not reached. |
|---|
| 1743 | type_error(obj, Symbol.STREAM); |
|---|
| 1744 | } |
|---|
| 1745 | |
|---|
| 1746 | public static final Stream inSynonymOf(LispObject obj) |
|---|
| 1747 | |
|---|
| 1748 | { |
|---|
| 1749 | if (obj instanceof Stream) |
|---|
| 1750 | return (Stream) obj; |
|---|
| 1751 | if (obj == T) |
|---|
| 1752 | return checkCharacterInputStream(Symbol.TERMINAL_IO.symbolValue()); |
|---|
| 1753 | if (obj == NIL) |
|---|
| 1754 | return checkCharacterInputStream(Symbol.STANDARD_INPUT.symbolValue()); |
|---|
| 1755 | return (Stream) // Not reached. |
|---|
| 1756 | type_error(obj, Symbol.STREAM); |
|---|
| 1757 | } |
|---|
| 1758 | |
|---|
| 1759 | public static final void writeByte(int n, LispObject obj) |
|---|
| 1760 | |
|---|
| 1761 | { |
|---|
| 1762 | if (n < 0 || n > 255) |
|---|
| 1763 | type_error(Fixnum.getInstance(n), UNSIGNED_BYTE_8); |
|---|
| 1764 | checkStream(obj)._writeByte(n); |
|---|
| 1765 | } |
|---|
| 1766 | |
|---|
| 1767 | public static final Readtable checkReadtable(LispObject obj) |
|---|
| 1768 | |
|---|
| 1769 | { |
|---|
| 1770 | if (obj instanceof Readtable) |
|---|
| 1771 | return (Readtable) obj; |
|---|
| 1772 | return (Readtable)// Not reached. |
|---|
| 1773 | type_error(obj, Symbol.READTABLE); |
|---|
| 1774 | } |
|---|
| 1775 | |
|---|
| 1776 | public final static AbstractString checkString(LispObject obj) |
|---|
| 1777 | |
|---|
| 1778 | { |
|---|
| 1779 | if (obj instanceof AbstractString) |
|---|
| 1780 | return (AbstractString) obj; |
|---|
| 1781 | return (AbstractString)// Not reached. |
|---|
| 1782 | type_error(obj, Symbol.STRING); |
|---|
| 1783 | } |
|---|
| 1784 | |
|---|
| 1785 | public final static Layout checkLayout(LispObject obj) |
|---|
| 1786 | |
|---|
| 1787 | { |
|---|
| 1788 | if (obj instanceof Layout) |
|---|
| 1789 | return (Layout) obj; |
|---|
| 1790 | return (Layout)// Not reached. |
|---|
| 1791 | type_error(obj, Symbol.LAYOUT); |
|---|
| 1792 | } |
|---|
| 1793 | |
|---|
| 1794 | public static final Readtable designator_readtable(LispObject obj) |
|---|
| 1795 | |
|---|
| 1796 | { |
|---|
| 1797 | if (obj == NIL) |
|---|
| 1798 | obj = STANDARD_READTABLE.symbolValue(); |
|---|
| 1799 | if (obj == null) |
|---|
| 1800 | throw new NullPointerException(); |
|---|
| 1801 | return checkReadtable(obj); |
|---|
| 1802 | } |
|---|
| 1803 | |
|---|
| 1804 | public static final Environment checkEnvironment(LispObject obj) |
|---|
| 1805 | |
|---|
| 1806 | { |
|---|
| 1807 | if (obj instanceof Environment) |
|---|
| 1808 | return (Environment) obj; |
|---|
| 1809 | return (Environment)// Not reached. |
|---|
| 1810 | type_error(obj, Symbol.ENVIRONMENT); |
|---|
| 1811 | } |
|---|
| 1812 | |
|---|
| 1813 | public static final void checkBounds(int start, int end, int length) |
|---|
| 1814 | |
|---|
| 1815 | { |
|---|
| 1816 | if (start < 0 || end < 0 || start > end || end > length) |
|---|
| 1817 | { |
|---|
| 1818 | StringBuilder sb = new StringBuilder("The bounding indices "); |
|---|
| 1819 | sb.append(start); |
|---|
| 1820 | sb.append(" and "); |
|---|
| 1821 | sb.append(end); |
|---|
| 1822 | sb.append(" are bad for a sequence of length "); |
|---|
| 1823 | sb.append(length); |
|---|
| 1824 | sb.append('.'); |
|---|
| 1825 | error(new TypeError(sb.toString())); |
|---|
| 1826 | } |
|---|
| 1827 | } |
|---|
| 1828 | |
|---|
| 1829 | public static final LispObject coerceToFunction(LispObject obj) |
|---|
| 1830 | |
|---|
| 1831 | { |
|---|
| 1832 | if (obj instanceof Function) |
|---|
| 1833 | return obj; |
|---|
| 1834 | if (obj instanceof FuncallableStandardObject) |
|---|
| 1835 | return obj; |
|---|
| 1836 | if (obj instanceof Symbol) |
|---|
| 1837 | { |
|---|
| 1838 | LispObject fun = obj.getSymbolFunction(); |
|---|
| 1839 | if (fun instanceof Function) |
|---|
| 1840 | return (Function) fun; |
|---|
| 1841 | } |
|---|
| 1842 | else if (obj instanceof Cons && obj.car() == Symbol.LAMBDA) |
|---|
| 1843 | return new Closure(obj, new Environment()); |
|---|
| 1844 | if (obj instanceof Cons && obj.car() == Symbol.NAMED_LAMBDA) { |
|---|
| 1845 | LispObject name = obj.cadr(); |
|---|
| 1846 | if (name instanceof Symbol || isValidSetfFunctionName(name)) { |
|---|
| 1847 | return new Closure(name, |
|---|
| 1848 | new Cons(Symbol.LAMBDA, obj.cddr()), |
|---|
| 1849 | new Environment()); |
|---|
| 1850 | } |
|---|
| 1851 | return type_error(name, FUNCTION_NAME); |
|---|
| 1852 | } |
|---|
| 1853 | error(new UndefinedFunction(obj)); |
|---|
| 1854 | // Not reached. |
|---|
| 1855 | return null; |
|---|
| 1856 | } |
|---|
| 1857 | |
|---|
| 1858 | // Returns package or throws exception. |
|---|
| 1859 | public static final Package coerceToPackage(LispObject obj) |
|---|
| 1860 | |
|---|
| 1861 | { |
|---|
| 1862 | if (obj instanceof Package) |
|---|
| 1863 | return (Package) obj; |
|---|
| 1864 | Package pkg = getCurrentPackage().findPackage(javaString(obj)); |
|---|
| 1865 | if (pkg != null) |
|---|
| 1866 | return pkg; |
|---|
| 1867 | error(new PackageError(obj.princToString() + " is not the name of a package.")); |
|---|
| 1868 | // Not reached. |
|---|
| 1869 | return null; |
|---|
| 1870 | } |
|---|
| 1871 | |
|---|
| 1872 | public static Pathname coerceToPathname(LispObject arg) |
|---|
| 1873 | |
|---|
| 1874 | { |
|---|
| 1875 | if (arg instanceof Pathname) |
|---|
| 1876 | return (Pathname) arg; |
|---|
| 1877 | if (arg instanceof AbstractString) |
|---|
| 1878 | return Pathname.parseNamestring((AbstractString)arg); |
|---|
| 1879 | if (arg instanceof FileStream) |
|---|
| 1880 | return ((FileStream)arg).getPathname(); |
|---|
| 1881 | if (arg instanceof JarStream) |
|---|
| 1882 | return ((JarStream)arg).getPathname(); |
|---|
| 1883 | if (arg instanceof URLStream) |
|---|
| 1884 | return ((URLStream)arg).getPathname(); |
|---|
| 1885 | type_error(arg, list(Symbol.OR, Symbol.PATHNAME, |
|---|
| 1886 | Symbol.STRING, Symbol.FILE_STREAM, |
|---|
| 1887 | Symbol.JAR_STREAM, Symbol.URL_STREAM)); |
|---|
| 1888 | // Not reached. |
|---|
| 1889 | return null; |
|---|
| 1890 | } |
|---|
| 1891 | |
|---|
| 1892 | public static LispObject assq(LispObject item, LispObject alist) |
|---|
| 1893 | |
|---|
| 1894 | { |
|---|
| 1895 | while (alist instanceof Cons) |
|---|
| 1896 | { |
|---|
| 1897 | LispObject entry = ((Cons)alist).car; |
|---|
| 1898 | if (entry instanceof Cons) |
|---|
| 1899 | { |
|---|
| 1900 | if (((Cons)entry).car == item) |
|---|
| 1901 | return entry; |
|---|
| 1902 | } |
|---|
| 1903 | else if (entry != NIL) |
|---|
| 1904 | return type_error(entry, Symbol.LIST); |
|---|
| 1905 | alist = ((Cons)alist).cdr; |
|---|
| 1906 | } |
|---|
| 1907 | if (alist != NIL) |
|---|
| 1908 | return type_error(alist, Symbol.LIST); |
|---|
| 1909 | return NIL; |
|---|
| 1910 | } |
|---|
| 1911 | |
|---|
| 1912 | public static final boolean memq(LispObject item, LispObject list) |
|---|
| 1913 | |
|---|
| 1914 | { |
|---|
| 1915 | while (list instanceof Cons) |
|---|
| 1916 | { |
|---|
| 1917 | if (item == ((Cons)list).car) |
|---|
| 1918 | return true; |
|---|
| 1919 | list = ((Cons)list).cdr; |
|---|
| 1920 | } |
|---|
| 1921 | if (list != NIL) |
|---|
| 1922 | type_error(list, Symbol.LIST); |
|---|
| 1923 | return false; |
|---|
| 1924 | } |
|---|
| 1925 | |
|---|
| 1926 | public static final boolean memql(LispObject item, LispObject list) |
|---|
| 1927 | |
|---|
| 1928 | { |
|---|
| 1929 | while (list instanceof Cons) |
|---|
| 1930 | { |
|---|
| 1931 | if (item.eql(((Cons)list).car)) |
|---|
| 1932 | return true; |
|---|
| 1933 | list = ((Cons)list).cdr; |
|---|
| 1934 | } |
|---|
| 1935 | if (list != NIL) |
|---|
| 1936 | type_error(list, Symbol.LIST); |
|---|
| 1937 | return false; |
|---|
| 1938 | } |
|---|
| 1939 | |
|---|
| 1940 | // Property lists. |
|---|
| 1941 | public static final LispObject getf(LispObject plist, LispObject indicator, |
|---|
| 1942 | LispObject defaultValue) |
|---|
| 1943 | |
|---|
| 1944 | { |
|---|
| 1945 | LispObject list = plist; |
|---|
| 1946 | while (list != NIL) |
|---|
| 1947 | { |
|---|
| 1948 | if (list.car() == indicator) |
|---|
| 1949 | return list.cadr(); |
|---|
| 1950 | if (list.cdr() instanceof Cons) |
|---|
| 1951 | list = list.cddr(); |
|---|
| 1952 | else |
|---|
| 1953 | return error(new TypeError("Malformed property list: " + |
|---|
| 1954 | plist.princToString())); |
|---|
| 1955 | } |
|---|
| 1956 | return defaultValue; |
|---|
| 1957 | } |
|---|
| 1958 | |
|---|
| 1959 | public static final LispObject get(LispObject symbol, LispObject indicator) |
|---|
| 1960 | |
|---|
| 1961 | { |
|---|
| 1962 | LispObject list = checkSymbol(symbol).getPropertyList(); |
|---|
| 1963 | while (list != NIL) |
|---|
| 1964 | { |
|---|
| 1965 | if (list.car() == indicator) |
|---|
| 1966 | return list.cadr(); |
|---|
| 1967 | list = list.cddr(); |
|---|
| 1968 | } |
|---|
| 1969 | return NIL; |
|---|
| 1970 | } |
|---|
| 1971 | |
|---|
| 1972 | public static final LispObject get(LispObject symbol, LispObject indicator, |
|---|
| 1973 | LispObject defaultValue) |
|---|
| 1974 | |
|---|
| 1975 | { |
|---|
| 1976 | LispObject list = checkSymbol(symbol).getPropertyList(); |
|---|
| 1977 | while (list != NIL) |
|---|
| 1978 | { |
|---|
| 1979 | if (list.car() == indicator) |
|---|
| 1980 | return list.cadr(); |
|---|
| 1981 | list = list.cddr(); |
|---|
| 1982 | } |
|---|
| 1983 | return defaultValue; |
|---|
| 1984 | } |
|---|
| 1985 | |
|---|
| 1986 | public static final LispObject put(Symbol symbol, LispObject indicator, |
|---|
| 1987 | LispObject value) |
|---|
| 1988 | |
|---|
| 1989 | { |
|---|
| 1990 | LispObject list = symbol.getPropertyList(); |
|---|
| 1991 | while (list != NIL) |
|---|
| 1992 | { |
|---|
| 1993 | if (list.car() == indicator) |
|---|
| 1994 | { |
|---|
| 1995 | // Found it! |
|---|
| 1996 | LispObject rest = list.cdr(); |
|---|
| 1997 | rest.setCar(value); |
|---|
| 1998 | return value; |
|---|
| 1999 | } |
|---|
| 2000 | list = list.cddr(); |
|---|
| 2001 | } |
|---|
| 2002 | // Not found. |
|---|
| 2003 | symbol.setPropertyList(new Cons(indicator, |
|---|
| 2004 | new Cons(value, |
|---|
| 2005 | symbol.getPropertyList()))); |
|---|
| 2006 | return value; |
|---|
| 2007 | } |
|---|
| 2008 | |
|---|
| 2009 | public static final LispObject putf(LispObject plist, LispObject indicator, |
|---|
| 2010 | LispObject value) |
|---|
| 2011 | |
|---|
| 2012 | { |
|---|
| 2013 | LispObject list = plist; |
|---|
| 2014 | while (list != NIL) |
|---|
| 2015 | { |
|---|
| 2016 | if (list.car() == indicator) |
|---|
| 2017 | { |
|---|
| 2018 | // Found it! |
|---|
| 2019 | LispObject rest = list.cdr(); |
|---|
| 2020 | rest.setCar(value); |
|---|
| 2021 | return plist; |
|---|
| 2022 | } |
|---|
| 2023 | list = list.cddr(); |
|---|
| 2024 | } |
|---|
| 2025 | // Not found. |
|---|
| 2026 | return new Cons(indicator, new Cons(value, plist)); |
|---|
| 2027 | } |
|---|
| 2028 | |
|---|
| 2029 | public static final LispObject remprop(Symbol symbol, LispObject indicator) |
|---|
| 2030 | |
|---|
| 2031 | { |
|---|
| 2032 | LispObject list = checkList(symbol.getPropertyList()); |
|---|
| 2033 | LispObject prev = null; |
|---|
| 2034 | while (list != NIL) |
|---|
| 2035 | { |
|---|
| 2036 | if (!(list.cdr() instanceof Cons)) |
|---|
| 2037 | error(new ProgramError("The symbol " + symbol.princToString() + |
|---|
| 2038 | " has an odd number of items in its property list.")); |
|---|
| 2039 | if (list.car() == indicator) |
|---|
| 2040 | { |
|---|
| 2041 | // Found it! |
|---|
| 2042 | if (prev != null) |
|---|
| 2043 | prev.setCdr(list.cddr()); |
|---|
| 2044 | else |
|---|
| 2045 | symbol.setPropertyList(list.cddr()); |
|---|
| 2046 | return T; |
|---|
| 2047 | } |
|---|
| 2048 | prev = list.cdr(); |
|---|
| 2049 | list = list.cddr(); |
|---|
| 2050 | } |
|---|
| 2051 | // Not found. |
|---|
| 2052 | return NIL; |
|---|
| 2053 | } |
|---|
| 2054 | |
|---|
| 2055 | public static final String format(LispObject formatControl, |
|---|
| 2056 | LispObject formatArguments) |
|---|
| 2057 | |
|---|
| 2058 | { |
|---|
| 2059 | final LispThread thread = LispThread.currentThread(); |
|---|
| 2060 | String control = formatControl.getStringValue(); |
|---|
| 2061 | LispObject[] args = formatArguments.copyToArray(); |
|---|
| 2062 | StringBuffer sb = new StringBuffer(); |
|---|
| 2063 | if (control != null) |
|---|
| 2064 | { |
|---|
| 2065 | final int limit = control.length(); |
|---|
| 2066 | int j = 0; |
|---|
| 2067 | final int NEUTRAL = 0; |
|---|
| 2068 | final int TILDE = 1; |
|---|
| 2069 | int state = NEUTRAL; |
|---|
| 2070 | for (int i = 0; i < limit; i++) |
|---|
| 2071 | { |
|---|
| 2072 | char c = control.charAt(i); |
|---|
| 2073 | if (state == NEUTRAL) |
|---|
| 2074 | { |
|---|
| 2075 | if (c == '~') |
|---|
| 2076 | state = TILDE; |
|---|
| 2077 | else |
|---|
| 2078 | sb.append(c); |
|---|
| 2079 | } |
|---|
| 2080 | else if (state == TILDE) |
|---|
| 2081 | { |
|---|
| 2082 | if (c == 'A' || c == 'a') |
|---|
| 2083 | { |
|---|
| 2084 | if (j < args.length) |
|---|
| 2085 | { |
|---|
| 2086 | LispObject obj = args[j++]; |
|---|
| 2087 | final SpecialBindingsMark mark = thread.markSpecialBindings(); |
|---|
| 2088 | thread.bindSpecial(Symbol.PRINT_ESCAPE, NIL); |
|---|
| 2089 | thread.bindSpecial(Symbol.PRINT_READABLY, NIL); |
|---|
| 2090 | try { |
|---|
| 2091 | sb.append(obj.printObject()); |
|---|
| 2092 | } |
|---|
| 2093 | finally { |
|---|
| 2094 | thread.resetSpecialBindings(mark); |
|---|
| 2095 | } |
|---|
| 2096 | } |
|---|
| 2097 | } |
|---|
| 2098 | else if (c == 'S' || c == 's') |
|---|
| 2099 | { |
|---|
| 2100 | if (j < args.length) |
|---|
| 2101 | { |
|---|
| 2102 | LispObject obj = args[j++]; |
|---|
| 2103 | final SpecialBindingsMark mark = thread.markSpecialBindings(); |
|---|
| 2104 | thread.bindSpecial(Symbol.PRINT_ESCAPE, T); |
|---|
| 2105 | try { |
|---|
| 2106 | sb.append(obj.printObject()); |
|---|
| 2107 | } |
|---|
| 2108 | finally { |
|---|
| 2109 | thread.resetSpecialBindings(mark); |
|---|
| 2110 | } |
|---|
| 2111 | } |
|---|
| 2112 | } |
|---|
| 2113 | else if (c == 'D' || c == 'd') |
|---|
| 2114 | { |
|---|
| 2115 | if (j < args.length) |
|---|
| 2116 | { |
|---|
| 2117 | LispObject obj = args[j++]; |
|---|
| 2118 | final SpecialBindingsMark mark = thread.markSpecialBindings(); |
|---|
| 2119 | thread.bindSpecial(Symbol.PRINT_ESCAPE, NIL); |
|---|
| 2120 | thread.bindSpecial(Symbol.PRINT_RADIX, NIL); |
|---|
| 2121 | thread.bindSpecial(Symbol.PRINT_BASE, Fixnum.constants[10]); |
|---|
| 2122 | try { |
|---|
| 2123 | sb.append(obj.printObject()); |
|---|
| 2124 | } |
|---|
| 2125 | finally { |
|---|
| 2126 | thread.resetSpecialBindings(mark); |
|---|
| 2127 | } |
|---|
| 2128 | } |
|---|
| 2129 | } |
|---|
| 2130 | else if (c == 'X' || c == 'x') |
|---|
| 2131 | { |
|---|
| 2132 | if (j < args.length) |
|---|
| 2133 | { |
|---|
| 2134 | LispObject obj = args[j++]; |
|---|
| 2135 | final SpecialBindingsMark mark = thread.markSpecialBindings(); |
|---|
| 2136 | thread.bindSpecial(Symbol.PRINT_ESCAPE, NIL); |
|---|
| 2137 | thread.bindSpecial(Symbol.PRINT_RADIX, NIL); |
|---|
| 2138 | thread.bindSpecial(Symbol.PRINT_BASE, Fixnum.constants[16]); |
|---|
| 2139 | try { |
|---|
| 2140 | sb.append(obj.printObject()); |
|---|
| 2141 | } |
|---|
| 2142 | finally { |
|---|
| 2143 | thread.resetSpecialBindings(mark); |
|---|
| 2144 | } |
|---|
| 2145 | } |
|---|
| 2146 | } |
|---|
| 2147 | else if (c == '%') |
|---|
| 2148 | { |
|---|
| 2149 | sb.append('\n'); |
|---|
| 2150 | } |
|---|
| 2151 | state = NEUTRAL; |
|---|
| 2152 | } |
|---|
| 2153 | else |
|---|
| 2154 | { |
|---|
| 2155 | // There are no other valid states. |
|---|
| 2156 | Debug.assertTrue(false); |
|---|
| 2157 | } |
|---|
| 2158 | } |
|---|
| 2159 | } |
|---|
| 2160 | return sb.toString(); |
|---|
| 2161 | } |
|---|
| 2162 | |
|---|
| 2163 | public static final Symbol intern(String name, Package pkg) |
|---|
| 2164 | { |
|---|
| 2165 | return pkg.intern(name); |
|---|
| 2166 | } |
|---|
| 2167 | |
|---|
| 2168 | // Used by the compiler. |
|---|
| 2169 | public static final Symbol internInPackage(String name, String packageName) |
|---|
| 2170 | |
|---|
| 2171 | { |
|---|
| 2172 | Package pkg = getCurrentPackage().findPackage(packageName); |
|---|
| 2173 | if (pkg == null) |
|---|
| 2174 | error(new LispError(packageName + " is not the name of a package.")); |
|---|
| 2175 | return pkg.intern(name); |
|---|
| 2176 | } |
|---|
| 2177 | |
|---|
| 2178 | public static final Symbol internKeyword(String s) |
|---|
| 2179 | { |
|---|
| 2180 | return PACKAGE_KEYWORD.intern(s); |
|---|
| 2181 | } |
|---|
| 2182 | |
|---|
| 2183 | // The compiler's object table. |
|---|
| 2184 | static final ConcurrentHashMap<String,LispObject> objectTable = |
|---|
| 2185 | new ConcurrentHashMap<String,LispObject>(); |
|---|
| 2186 | |
|---|
| 2187 | public static LispObject recall(String key) |
|---|
| 2188 | { |
|---|
| 2189 | return objectTable.remove(key); |
|---|
| 2190 | } |
|---|
| 2191 | |
|---|
| 2192 | public static LispObject recall(SimpleString key) |
|---|
| 2193 | { |
|---|
| 2194 | return objectTable.remove(key.getStringValue()); |
|---|
| 2195 | } |
|---|
| 2196 | |
|---|
| 2197 | // ### remember |
|---|
| 2198 | public static final Primitive REMEMBER = |
|---|
| 2199 | new Primitive("remember", PACKAGE_SYS, true) |
|---|
| 2200 | { |
|---|
| 2201 | @Override |
|---|
| 2202 | public LispObject execute(LispObject key, LispObject value) |
|---|
| 2203 | |
|---|
| 2204 | { |
|---|
| 2205 | objectTable.put(key.getStringValue(), value); |
|---|
| 2206 | return NIL; |
|---|
| 2207 | } |
|---|
| 2208 | }; |
|---|
| 2209 | |
|---|
| 2210 | public static final Symbol internSpecial(String name, Package pkg, |
|---|
| 2211 | LispObject value) |
|---|
| 2212 | { |
|---|
| 2213 | Symbol symbol = pkg.intern(name); |
|---|
| 2214 | symbol.setSpecial(true); |
|---|
| 2215 | symbol.setSymbolValue(value); |
|---|
| 2216 | return symbol; |
|---|
| 2217 | } |
|---|
| 2218 | |
|---|
| 2219 | public static final Symbol internConstant(String name, Package pkg, |
|---|
| 2220 | LispObject value) |
|---|
| 2221 | { |
|---|
| 2222 | Symbol symbol = pkg.intern(name); |
|---|
| 2223 | symbol.initializeConstant(value); |
|---|
| 2224 | return symbol; |
|---|
| 2225 | } |
|---|
| 2226 | |
|---|
| 2227 | public static final Symbol exportSpecial(String name, Package pkg, |
|---|
| 2228 | LispObject value) |
|---|
| 2229 | { |
|---|
| 2230 | Symbol symbol = pkg.intern(name); |
|---|
| 2231 | pkg.export(symbol); // FIXME Inefficient! |
|---|
| 2232 | symbol.setSpecial(true); |
|---|
| 2233 | symbol.setSymbolValue(value); |
|---|
| 2234 | return symbol; |
|---|
| 2235 | } |
|---|
| 2236 | |
|---|
| 2237 | public static final Symbol exportConstant(String name, Package pkg, |
|---|
| 2238 | LispObject value) |
|---|
| 2239 | { |
|---|
| 2240 | Symbol symbol = pkg.intern(name); |
|---|
| 2241 | pkg.export(symbol); // FIXME Inefficient! |
|---|
| 2242 | symbol.initializeConstant(value); |
|---|
| 2243 | return symbol; |
|---|
| 2244 | } |
|---|
| 2245 | |
|---|
| 2246 | static |
|---|
| 2247 | { |
|---|
| 2248 | String userDir = System.getProperty("user.dir"); |
|---|
| 2249 | if (userDir != null && userDir.length() > 0) |
|---|
| 2250 | { |
|---|
| 2251 | if (userDir.charAt(userDir.length() - 1) != File.separatorChar) |
|---|
| 2252 | userDir = userDir.concat(File.separator); |
|---|
| 2253 | } |
|---|
| 2254 | // This string will be converted to a pathname when Pathname.java is loaded. |
|---|
| 2255 | Symbol.DEFAULT_PATHNAME_DEFAULTS.initializeSpecial(new SimpleString(userDir)); |
|---|
| 2256 | } |
|---|
| 2257 | |
|---|
| 2258 | static |
|---|
| 2259 | { |
|---|
| 2260 | Symbol._PACKAGE_.initializeSpecial(PACKAGE_CL_USER); |
|---|
| 2261 | } |
|---|
| 2262 | |
|---|
| 2263 | public static final Package getCurrentPackage() |
|---|
| 2264 | { |
|---|
| 2265 | return (Package) Symbol._PACKAGE_.symbolValueNoThrow(); |
|---|
| 2266 | } |
|---|
| 2267 | |
|---|
| 2268 | |
|---|
| 2269 | |
|---|
| 2270 | public static final void resetIO(Stream in, Stream out) |
|---|
| 2271 | { |
|---|
| 2272 | stdin = in; |
|---|
| 2273 | stdout = out; |
|---|
| 2274 | Symbol.STANDARD_INPUT.setSymbolValue(stdin); |
|---|
| 2275 | Symbol.STANDARD_OUTPUT.setSymbolValue(stdout); |
|---|
| 2276 | Symbol.ERROR_OUTPUT.setSymbolValue(stdout); |
|---|
| 2277 | Symbol.TRACE_OUTPUT.setSymbolValue(stdout); |
|---|
| 2278 | Symbol.TERMINAL_IO.setSymbolValue(new TwoWayStream(stdin, stdout, true)); |
|---|
| 2279 | Symbol.QUERY_IO.setSymbolValue(new TwoWayStream(stdin, stdout, true)); |
|---|
| 2280 | Symbol.DEBUG_IO.setSymbolValue(new TwoWayStream(stdin, stdout, true)); |
|---|
| 2281 | } |
|---|
| 2282 | |
|---|
| 2283 | // Used in org/armedbear/j/JLisp.java. |
|---|
| 2284 | public static final void resetIO() |
|---|
| 2285 | { |
|---|
| 2286 | resetIO(new Stream(Symbol.SYSTEM_STREAM, System.in, Symbol.CHARACTER, true), |
|---|
| 2287 | new Stream(Symbol.SYSTEM_STREAM, System.out, Symbol.CHARACTER, true)); |
|---|
| 2288 | } |
|---|
| 2289 | |
|---|
| 2290 | public static final TwoWayStream getTerminalIO() |
|---|
| 2291 | { |
|---|
| 2292 | return (TwoWayStream) Symbol.TERMINAL_IO.symbolValueNoThrow(); |
|---|
| 2293 | } |
|---|
| 2294 | |
|---|
| 2295 | public static final Stream getStandardInput() |
|---|
| 2296 | { |
|---|
| 2297 | return (Stream) Symbol.STANDARD_INPUT.symbolValueNoThrow(); |
|---|
| 2298 | } |
|---|
| 2299 | |
|---|
| 2300 | public static final Stream getStandardOutput() |
|---|
| 2301 | { |
|---|
| 2302 | return checkCharacterOutputStream(Symbol.STANDARD_OUTPUT.symbolValue()); |
|---|
| 2303 | } |
|---|
| 2304 | |
|---|
| 2305 | static |
|---|
| 2306 | { |
|---|
| 2307 | Symbol.CURRENT_READTABLE.initializeSpecial(new Readtable()); |
|---|
| 2308 | } |
|---|
| 2309 | |
|---|
| 2310 | // ### +standard-readtable+ |
|---|
| 2311 | // internal symbol |
|---|
| 2312 | public static final Symbol STANDARD_READTABLE = |
|---|
| 2313 | internConstant("+STANDARD-READTABLE+", PACKAGE_SYS, new Readtable()); |
|---|
| 2314 | |
|---|
| 2315 | public static final Readtable currentReadtable() |
|---|
| 2316 | { |
|---|
| 2317 | return (Readtable) Symbol.CURRENT_READTABLE.symbolValue(); |
|---|
| 2318 | } |
|---|
| 2319 | |
|---|
| 2320 | static |
|---|
| 2321 | { |
|---|
| 2322 | Symbol.READ_SUPPRESS.initializeSpecial(NIL); |
|---|
| 2323 | Symbol.DEBUGGER_HOOK.initializeSpecial(NIL); |
|---|
| 2324 | } |
|---|
| 2325 | |
|---|
| 2326 | static |
|---|
| 2327 | { |
|---|
| 2328 | Symbol.MOST_POSITIVE_FIXNUM.initializeConstant(Fixnum.getInstance(Integer.MAX_VALUE)); |
|---|
| 2329 | Symbol.MOST_NEGATIVE_FIXNUM.initializeConstant(Fixnum.getInstance(Integer.MIN_VALUE)); |
|---|
| 2330 | Symbol.MOST_POSITIVE_JAVA_LONG.initializeConstant(Bignum.getInstance(Long.MAX_VALUE)); |
|---|
| 2331 | Symbol.MOST_NEGATIVE_JAVA_LONG.initializeConstant(Bignum.getInstance(Long.MIN_VALUE)); |
|---|
| 2332 | } |
|---|
| 2333 | |
|---|
| 2334 | public static void exit(int status) |
|---|
| 2335 | { |
|---|
| 2336 | Interpreter interpreter = Interpreter.getInstance(); |
|---|
| 2337 | if (interpreter != null) |
|---|
| 2338 | interpreter.kill(status); |
|---|
| 2339 | } |
|---|
| 2340 | |
|---|
| 2341 | // ### t |
|---|
| 2342 | public static final Symbol T = Symbol.T; |
|---|
| 2343 | static |
|---|
| 2344 | { |
|---|
| 2345 | T.initializeConstant(T); |
|---|
| 2346 | } |
|---|
| 2347 | |
|---|
| 2348 | static |
|---|
| 2349 | { |
|---|
| 2350 | Symbol.READ_EVAL.initializeSpecial(T); |
|---|
| 2351 | } |
|---|
| 2352 | |
|---|
| 2353 | // ### *features* |
|---|
| 2354 | static |
|---|
| 2355 | { |
|---|
| 2356 | final String osName = System.getProperty("os.name"); |
|---|
| 2357 | final String javaVersion = System.getProperty("java.version"); |
|---|
| 2358 | final String osArch = System.getProperty("os.arch"); |
|---|
| 2359 | |
|---|
| 2360 | // Common features |
|---|
| 2361 | LispObject featureList = list(Keyword.ARMEDBEAR, Keyword.ABCL, |
|---|
| 2362 | Keyword.COMMON_LISP, Keyword.ANSI_CL, |
|---|
| 2363 | Keyword.CDR6, Keyword.MOP, |
|---|
| 2364 | internKeyword("PACKAGE-LOCAL-NICKNAMES")); |
|---|
| 2365 | // OS type |
|---|
| 2366 | if (osName.startsWith("Linux")) |
|---|
| 2367 | featureList = Primitives.APPEND.execute(list(Keyword.UNIX, |
|---|
| 2368 | Keyword.LINUX), |
|---|
| 2369 | featureList); |
|---|
| 2370 | else if (osName.startsWith("SunOS")) |
|---|
| 2371 | featureList = Primitives.APPEND.execute(list(Keyword.UNIX, |
|---|
| 2372 | Keyword.SUNOS, |
|---|
| 2373 | Keyword.SOLARIS), |
|---|
| 2374 | featureList); |
|---|
| 2375 | else if (osName.startsWith("Mac OS X") || |
|---|
| 2376 | osName.startsWith("Darwin")) |
|---|
| 2377 | featureList = Primitives.APPEND.execute(list(Keyword.UNIX, |
|---|
| 2378 | Keyword.DARWIN), |
|---|
| 2379 | featureList); |
|---|
| 2380 | else if (osName.startsWith("FreeBSD")) |
|---|
| 2381 | featureList = Primitives.APPEND.execute(list(Keyword.UNIX, |
|---|
| 2382 | Keyword.FREEBSD), |
|---|
| 2383 | featureList); |
|---|
| 2384 | else if (osName.startsWith("OpenBSD")) |
|---|
| 2385 | featureList = Primitives.APPEND.execute(list(Keyword.UNIX, |
|---|
| 2386 | Keyword.OPENBSD), |
|---|
| 2387 | featureList); |
|---|
| 2388 | else if (osName.startsWith("NetBSD")) |
|---|
| 2389 | featureList = Primitives.APPEND.execute(list(Keyword.UNIX, |
|---|
| 2390 | Keyword.NETBSD), |
|---|
| 2391 | featureList); |
|---|
| 2392 | else if (osName.startsWith("Windows")) |
|---|
| 2393 | featureList = new Cons(Keyword.WINDOWS, featureList); |
|---|
| 2394 | // Java version |
|---|
| 2395 | if (javaVersion.startsWith("1.5")) { |
|---|
| 2396 | featureList = new Cons(Keyword.JAVA_1_5, featureList); |
|---|
| 2397 | } else if (javaVersion.startsWith("1.6")) { |
|---|
| 2398 | featureList = new Cons(Keyword.JAVA_1_6, featureList); |
|---|
| 2399 | } else if (javaVersion.startsWith("1.7")) { |
|---|
| 2400 | featureList = new Cons(Keyword.JAVA_1_7, featureList); |
|---|
| 2401 | } |
|---|
| 2402 | // Processor architecture |
|---|
| 2403 | if(osArch != null) { |
|---|
| 2404 | if (osArch.equals("amd64") || osArch.equals("x86_64")) |
|---|
| 2405 | featureList = new Cons(Keyword.X86_64, featureList); |
|---|
| 2406 | else if (osArch.equals("x86") || osArch.equals("i386")) |
|---|
| 2407 | featureList = new Cons(Keyword.X86, featureList); |
|---|
| 2408 | } |
|---|
| 2409 | Symbol.FEATURES.initializeSpecial(featureList); |
|---|
| 2410 | } |
|---|
| 2411 | |
|---|
| 2412 | static |
|---|
| 2413 | { |
|---|
| 2414 | Symbol.MODULES.initializeSpecial(NIL); |
|---|
| 2415 | } |
|---|
| 2416 | |
|---|
| 2417 | static |
|---|
| 2418 | { |
|---|
| 2419 | Symbol.LOAD_VERBOSE.initializeSpecial(NIL); |
|---|
| 2420 | Symbol.LOAD_PRINT.initializeSpecial(NIL); |
|---|
| 2421 | Symbol.LOAD_PATHNAME.initializeSpecial(NIL); |
|---|
| 2422 | Symbol.LOAD_TRUENAME.initializeSpecial(NIL); |
|---|
| 2423 | Symbol.LOAD_TRUENAME_FASL.initializeSpecial(NIL); |
|---|
| 2424 | Symbol.COMPILE_VERBOSE.initializeSpecial(T); |
|---|
| 2425 | Symbol.COMPILE_PRINT.initializeSpecial(T); |
|---|
| 2426 | Symbol._COMPILE_FILE_PATHNAME_.initializeSpecial(NIL); |
|---|
| 2427 | Symbol.COMPILE_FILE_TRUENAME.initializeSpecial(NIL); |
|---|
| 2428 | } |
|---|
| 2429 | |
|---|
| 2430 | // ### *double-colon-package-separators* |
|---|
| 2431 | // internal symbol |
|---|
| 2432 | public static final Symbol DOUBLE_COLON_PACKAGE_SEPARATORS = |
|---|
| 2433 | internSpecial("*DOUBLE-COLON-PACKAGE-SEPARATORS*", PACKAGE_SYS, NIL); |
|---|
| 2434 | |
|---|
| 2435 | // ### *load-depth* |
|---|
| 2436 | // internal symbol |
|---|
| 2437 | public static final Symbol _LOAD_DEPTH_ = |
|---|
| 2438 | internSpecial("*LOAD-DEPTH*", PACKAGE_SYS, Fixnum.ZERO); |
|---|
| 2439 | |
|---|
| 2440 | // ### *load-stream* |
|---|
| 2441 | // internal symbol |
|---|
| 2442 | public static final Symbol _LOAD_STREAM_ = |
|---|
| 2443 | internSpecial("*LOAD-STREAM*", PACKAGE_SYS, NIL); |
|---|
| 2444 | |
|---|
| 2445 | // ### *fasl-loader* |
|---|
| 2446 | public static final Symbol _FASL_LOADER_ = |
|---|
| 2447 | exportSpecial("*FASL-LOADER*", PACKAGE_SYS, NIL); |
|---|
| 2448 | |
|---|
| 2449 | // ### *source* |
|---|
| 2450 | // internal symbol |
|---|
| 2451 | public static final Symbol _SOURCE_ = |
|---|
| 2452 | exportSpecial("*SOURCE*", PACKAGE_SYS, NIL); |
|---|
| 2453 | |
|---|
| 2454 | // ### *source-position* |
|---|
| 2455 | // internal symbol |
|---|
| 2456 | public static final Symbol _SOURCE_POSITION_ = |
|---|
| 2457 | exportSpecial("*SOURCE-POSITION*", PACKAGE_SYS, NIL); |
|---|
| 2458 | |
|---|
| 2459 | // ### *autoload-verbose* |
|---|
| 2460 | // internal symbol |
|---|
| 2461 | public static final Symbol _AUTOLOAD_VERBOSE_ = |
|---|
| 2462 | exportSpecial("*AUTOLOAD-VERBOSE*", PACKAGE_EXT, NIL); |
|---|
| 2463 | |
|---|
| 2464 | // ### *preloading-cache* |
|---|
| 2465 | public static final Symbol AUTOLOADING_CACHE = |
|---|
| 2466 | internSpecial("*AUTOLOADING-CACHE*", PACKAGE_SYS, NIL); |
|---|
| 2467 | |
|---|
| 2468 | // ### *compile-file-type* |
|---|
| 2469 | public static final Symbol _COMPILE_FILE_TYPE_ = |
|---|
| 2470 | exportSpecial("*COMPILE-FILE-TYPE*", PACKAGE_SYS, new SimpleString("abcl")); |
|---|
| 2471 | |
|---|
| 2472 | // ### *compile-file-class-extension* |
|---|
| 2473 | public static final Symbol _COMPILE_FILE_CLASS_EXTENSION_ = |
|---|
| 2474 | exportSpecial("*COMPILE-FILE-CLASS-EXTENSION*", PACKAGE_SYS, new SimpleString("cls")); |
|---|
| 2475 | |
|---|
| 2476 | // ### *compile-file-zip* |
|---|
| 2477 | public static final Symbol _COMPILE_FILE_ZIP_ = |
|---|
| 2478 | exportSpecial("*COMPILE-FILE-ZIP*", PACKAGE_SYS, T); |
|---|
| 2479 | |
|---|
| 2480 | static |
|---|
| 2481 | { |
|---|
| 2482 | Symbol.MACROEXPAND_HOOK.initializeSpecial(Symbol.FUNCALL); |
|---|
| 2483 | } |
|---|
| 2484 | |
|---|
| 2485 | public static final int ARRAY_DIMENSION_MAX = Integer.MAX_VALUE; |
|---|
| 2486 | static |
|---|
| 2487 | { |
|---|
| 2488 | // ### array-dimension-limit |
|---|
| 2489 | Symbol.ARRAY_DIMENSION_LIMIT.initializeConstant(Fixnum.getInstance(ARRAY_DIMENSION_MAX)); |
|---|
| 2490 | } |
|---|
| 2491 | |
|---|
| 2492 | // ### char-code-limit |
|---|
| 2493 | // "The upper exclusive bound on the value returned by the function CHAR-CODE." |
|---|
| 2494 | public static final int CHAR_MAX = Character.MAX_VALUE; |
|---|
| 2495 | static |
|---|
| 2496 | { |
|---|
| 2497 | Symbol.CHAR_CODE_LIMIT.initializeConstant(Fixnum.getInstance(CHAR_MAX + 1)); |
|---|
| 2498 | } |
|---|
| 2499 | |
|---|
| 2500 | static |
|---|
| 2501 | { |
|---|
| 2502 | Symbol.READ_BASE.initializeSpecial(Fixnum.constants[10]); |
|---|
| 2503 | } |
|---|
| 2504 | |
|---|
| 2505 | static |
|---|
| 2506 | { |
|---|
| 2507 | Symbol.READ_DEFAULT_FLOAT_FORMAT.initializeSpecial(Symbol.SINGLE_FLOAT); |
|---|
| 2508 | } |
|---|
| 2509 | |
|---|
| 2510 | // Printer control variables. |
|---|
| 2511 | static |
|---|
| 2512 | { |
|---|
| 2513 | Symbol.PRINT_ARRAY.initializeSpecial(T); |
|---|
| 2514 | Symbol.PRINT_BASE.initializeSpecial(Fixnum.constants[10]); |
|---|
| 2515 | Symbol.PRINT_CASE.initializeSpecial(Keyword.UPCASE); |
|---|
| 2516 | Symbol.PRINT_CIRCLE.initializeSpecial(NIL); |
|---|
| 2517 | Symbol.PRINT_ESCAPE.initializeSpecial(T); |
|---|
| 2518 | Symbol.PRINT_GENSYM.initializeSpecial(T); |
|---|
| 2519 | Symbol.PRINT_LENGTH.initializeSpecial(NIL); |
|---|
| 2520 | Symbol.PRINT_LEVEL.initializeSpecial(NIL); |
|---|
| 2521 | Symbol.PRINT_LINES.initializeSpecial(NIL); |
|---|
| 2522 | Symbol.PRINT_MISER_WIDTH.initializeSpecial(NIL); |
|---|
| 2523 | Symbol.PRINT_PPRINT_DISPATCH.initializeSpecial(NIL); |
|---|
| 2524 | Symbol.PRINT_PRETTY.initializeSpecial(NIL); |
|---|
| 2525 | Symbol.PRINT_RADIX.initializeSpecial(NIL); |
|---|
| 2526 | Symbol.PRINT_READABLY.initializeSpecial(NIL); |
|---|
| 2527 | Symbol.PRINT_RIGHT_MARGIN.initializeSpecial(NIL); |
|---|
| 2528 | } |
|---|
| 2529 | |
|---|
| 2530 | public static final Symbol _PRINT_STRUCTURE_ = |
|---|
| 2531 | exportSpecial("*PRINT-STRUCTURE*", PACKAGE_EXT, T); |
|---|
| 2532 | |
|---|
| 2533 | // ### *current-print-length* |
|---|
| 2534 | public static final Symbol _CURRENT_PRINT_LENGTH_ = |
|---|
| 2535 | exportSpecial("*CURRENT-PRINT-LENGTH*", PACKAGE_SYS, Fixnum.ZERO); |
|---|
| 2536 | |
|---|
| 2537 | // ### *current-print-level* |
|---|
| 2538 | public static final Symbol _CURRENT_PRINT_LEVEL_ = |
|---|
| 2539 | exportSpecial("*CURRENT-PRINT-LEVEL*", PACKAGE_SYS, Fixnum.ZERO); |
|---|
| 2540 | |
|---|
| 2541 | public static final Symbol _PRINT_FASL_ = |
|---|
| 2542 | internSpecial("*PRINT-FASL*", PACKAGE_SYS, NIL); |
|---|
| 2543 | |
|---|
| 2544 | static |
|---|
| 2545 | { |
|---|
| 2546 | Symbol._RANDOM_STATE_.initializeSpecial(new RandomState()); |
|---|
| 2547 | } |
|---|
| 2548 | |
|---|
| 2549 | static |
|---|
| 2550 | { |
|---|
| 2551 | Symbol.STAR.initializeSpecial(NIL); |
|---|
| 2552 | Symbol.STAR_STAR.initializeSpecial(NIL); |
|---|
| 2553 | Symbol.STAR_STAR_STAR.initializeSpecial(NIL); |
|---|
| 2554 | Symbol.MINUS.initializeSpecial(NIL); |
|---|
| 2555 | Symbol.PLUS.initializeSpecial(NIL); |
|---|
| 2556 | Symbol.PLUS_PLUS.initializeSpecial(NIL); |
|---|
| 2557 | Symbol.PLUS_PLUS_PLUS.initializeSpecial(NIL); |
|---|
| 2558 | Symbol.SLASH.initializeSpecial(NIL); |
|---|
| 2559 | Symbol.SLASH_SLASH.initializeSpecial(NIL); |
|---|
| 2560 | Symbol.SLASH_SLASH_SLASH.initializeSpecial(NIL); |
|---|
| 2561 | } |
|---|
| 2562 | |
|---|
| 2563 | // Floating point constants. |
|---|
| 2564 | static |
|---|
| 2565 | { |
|---|
| 2566 | Symbol.PI.initializeConstant(new DoubleFloat(Math.PI)); |
|---|
| 2567 | Symbol.SHORT_FLOAT_EPSILON.initializeConstant(new SingleFloat((float)5.960465E-8)); |
|---|
| 2568 | Symbol.SINGLE_FLOAT_EPSILON.initializeConstant(new SingleFloat((float)5.960465E-8)); |
|---|
| 2569 | Symbol.DOUBLE_FLOAT_EPSILON.initializeConstant(new DoubleFloat((double)1.1102230246251568E-16)); |
|---|
| 2570 | Symbol.LONG_FLOAT_EPSILON.initializeConstant(new DoubleFloat((double)1.1102230246251568E-16)); |
|---|
| 2571 | Symbol.SHORT_FLOAT_NEGATIVE_EPSILON.initializeConstant(new SingleFloat(2.9802326e-8f)); |
|---|
| 2572 | Symbol.SINGLE_FLOAT_NEGATIVE_EPSILON.initializeConstant(new SingleFloat(2.9802326e-8f)); |
|---|
| 2573 | Symbol.DOUBLE_FLOAT_NEGATIVE_EPSILON.initializeConstant(new DoubleFloat((double)5.551115123125784E-17)); |
|---|
| 2574 | Symbol.LONG_FLOAT_NEGATIVE_EPSILON.initializeConstant(new DoubleFloat((double)5.551115123125784E-17)); |
|---|
| 2575 | Symbol.MOST_POSITIVE_SHORT_FLOAT.initializeConstant(new SingleFloat(Float.MAX_VALUE)); |
|---|
| 2576 | Symbol.MOST_POSITIVE_SINGLE_FLOAT.initializeConstant(new SingleFloat(Float.MAX_VALUE)); |
|---|
| 2577 | Symbol.MOST_POSITIVE_DOUBLE_FLOAT.initializeConstant(new DoubleFloat(Double.MAX_VALUE)); |
|---|
| 2578 | Symbol.MOST_POSITIVE_LONG_FLOAT.initializeConstant(new DoubleFloat(Double.MAX_VALUE)); |
|---|
| 2579 | Symbol.LEAST_POSITIVE_SHORT_FLOAT.initializeConstant(new SingleFloat(Float.MIN_VALUE)); |
|---|
| 2580 | Symbol.LEAST_POSITIVE_SINGLE_FLOAT.initializeConstant(new SingleFloat(Float.MIN_VALUE)); |
|---|
| 2581 | Symbol.LEAST_POSITIVE_DOUBLE_FLOAT.initializeConstant(new DoubleFloat(Double.MIN_VALUE)); |
|---|
| 2582 | Symbol.LEAST_POSITIVE_LONG_FLOAT.initializeConstant(new DoubleFloat(Double.MIN_VALUE)); |
|---|
| 2583 | Symbol.LEAST_POSITIVE_NORMALIZED_SHORT_FLOAT.initializeConstant(new SingleFloat(1.17549435e-38f)); |
|---|
| 2584 | Symbol.LEAST_POSITIVE_NORMALIZED_SINGLE_FLOAT.initializeConstant(new SingleFloat(1.17549435e-38f)); |
|---|
| 2585 | Symbol.LEAST_POSITIVE_NORMALIZED_DOUBLE_FLOAT.initializeConstant(new DoubleFloat(2.2250738585072014e-308d)); |
|---|
| 2586 | Symbol.LEAST_POSITIVE_NORMALIZED_LONG_FLOAT.initializeConstant(new DoubleFloat(2.2250738585072014e-308d)); |
|---|
| 2587 | Symbol.MOST_NEGATIVE_SHORT_FLOAT.initializeConstant(new SingleFloat(- Float.MAX_VALUE)); |
|---|
| 2588 | Symbol.MOST_NEGATIVE_SINGLE_FLOAT.initializeConstant(new SingleFloat(- Float.MAX_VALUE)); |
|---|
| 2589 | Symbol.MOST_NEGATIVE_DOUBLE_FLOAT.initializeConstant(new DoubleFloat(- Double.MAX_VALUE)); |
|---|
| 2590 | Symbol.MOST_NEGATIVE_LONG_FLOAT.initializeConstant(new DoubleFloat(- Double.MAX_VALUE)); |
|---|
| 2591 | Symbol.LEAST_NEGATIVE_SHORT_FLOAT.initializeConstant(new SingleFloat(- Float.MIN_VALUE)); |
|---|
| 2592 | Symbol.LEAST_NEGATIVE_SINGLE_FLOAT.initializeConstant(new SingleFloat(- Float.MIN_VALUE)); |
|---|
| 2593 | Symbol.LEAST_NEGATIVE_DOUBLE_FLOAT.initializeConstant(new DoubleFloat(- Double.MIN_VALUE)); |
|---|
| 2594 | Symbol.LEAST_NEGATIVE_LONG_FLOAT.initializeConstant(new DoubleFloat(- Double.MIN_VALUE)); |
|---|
| 2595 | Symbol.LEAST_NEGATIVE_NORMALIZED_SHORT_FLOAT.initializeConstant(new SingleFloat(-1.17549435e-38f)); |
|---|
| 2596 | Symbol.LEAST_NEGATIVE_NORMALIZED_SINGLE_FLOAT.initializeConstant(new SingleFloat(-1.17549435e-38f)); |
|---|
| 2597 | Symbol.LEAST_NEGATIVE_NORMALIZED_DOUBLE_FLOAT.initializeConstant(new DoubleFloat(-2.2250738585072014e-308d)); |
|---|
| 2598 | Symbol.LEAST_NEGATIVE_NORMALIZED_LONG_FLOAT.initializeConstant(new DoubleFloat(-2.2250738585072014e-308d)); |
|---|
| 2599 | } |
|---|
| 2600 | |
|---|
| 2601 | static |
|---|
| 2602 | { |
|---|
| 2603 | Symbol.BOOLE_CLR.initializeConstant(Fixnum.ZERO); |
|---|
| 2604 | Symbol.BOOLE_SET.initializeConstant(Fixnum.ONE); |
|---|
| 2605 | Symbol.BOOLE_1.initializeConstant(Fixnum.TWO); |
|---|
| 2606 | Symbol.BOOLE_2.initializeConstant(Fixnum.constants[3]); |
|---|
| 2607 | Symbol.BOOLE_C1.initializeConstant(Fixnum.constants[4]); |
|---|
| 2608 | Symbol.BOOLE_C2.initializeConstant(Fixnum.constants[5]); |
|---|
| 2609 | Symbol.BOOLE_AND.initializeConstant(Fixnum.constants[6]); |
|---|
| 2610 | Symbol.BOOLE_IOR.initializeConstant(Fixnum.constants[7]); |
|---|
| 2611 | Symbol.BOOLE_XOR.initializeConstant(Fixnum.constants[8]); |
|---|
| 2612 | Symbol.BOOLE_EQV.initializeConstant(Fixnum.constants[9]); |
|---|
| 2613 | Symbol.BOOLE_NAND.initializeConstant(Fixnum.constants[10]); |
|---|
| 2614 | Symbol.BOOLE_NOR.initializeConstant(Fixnum.constants[11]); |
|---|
| 2615 | Symbol.BOOLE_ANDC1.initializeConstant(Fixnum.constants[12]); |
|---|
| 2616 | Symbol.BOOLE_ANDC2.initializeConstant(Fixnum.constants[13]); |
|---|
| 2617 | Symbol.BOOLE_ORC1.initializeConstant(Fixnum.constants[14]); |
|---|
| 2618 | Symbol.BOOLE_ORC2.initializeConstant(Fixnum.constants[15]); |
|---|
| 2619 | } |
|---|
| 2620 | |
|---|
| 2621 | static |
|---|
| 2622 | { |
|---|
| 2623 | // ### call-arguments-limit |
|---|
| 2624 | Symbol.CALL_ARGUMENTS_LIMIT.initializeConstant(Fixnum.constants[50]); |
|---|
| 2625 | } |
|---|
| 2626 | |
|---|
| 2627 | static |
|---|
| 2628 | { |
|---|
| 2629 | // ### lambda-parameters-limit |
|---|
| 2630 | Symbol.LAMBDA_PARAMETERS_LIMIT.initializeConstant(Fixnum.constants[50]); |
|---|
| 2631 | } |
|---|
| 2632 | |
|---|
| 2633 | static |
|---|
| 2634 | { |
|---|
| 2635 | // ### multiple-values-limit |
|---|
| 2636 | Symbol.MULTIPLE_VALUES_LIMIT.initializeConstant(Fixnum.constants[32]); |
|---|
| 2637 | } |
|---|
| 2638 | |
|---|
| 2639 | static |
|---|
| 2640 | { |
|---|
| 2641 | // ### internal-time-units-per-second |
|---|
| 2642 | Symbol.INTERNAL_TIME_UNITS_PER_SECOND.initializeConstant(Fixnum.getInstance(1000)); |
|---|
| 2643 | } |
|---|
| 2644 | |
|---|
| 2645 | static |
|---|
| 2646 | { |
|---|
| 2647 | Symbol.LAMBDA_LIST_KEYWORDS |
|---|
| 2648 | .initializeConstant(list(Symbol.AND_OPTIONAL, |
|---|
| 2649 | Symbol.AND_REST, |
|---|
| 2650 | Symbol.AND_KEY, |
|---|
| 2651 | Symbol.AND_AUX, |
|---|
| 2652 | Symbol.AND_BODY, |
|---|
| 2653 | Symbol.AND_WHOLE, |
|---|
| 2654 | Symbol.AND_ALLOW_OTHER_KEYS, |
|---|
| 2655 | Symbol.AND_ENVIRONMENT)); |
|---|
| 2656 | } |
|---|
| 2657 | |
|---|
| 2658 | // ### call-registers-limit |
|---|
| 2659 | public static final Symbol CALL_REGISTERS_LIMIT = |
|---|
| 2660 | exportConstant("CALL-REGISTERS-LIMIT", PACKAGE_SYS, |
|---|
| 2661 | Fixnum.constants[CALL_REGISTERS_MAX]); |
|---|
| 2662 | |
|---|
| 2663 | // ### *warn-on-redefinition* |
|---|
| 2664 | public static final Symbol _WARN_ON_REDEFINITION_ = |
|---|
| 2665 | exportSpecial("*WARN-ON-REDEFINITION*", PACKAGE_EXT, T); |
|---|
| 2666 | |
|---|
| 2667 | // ### *saved-backtrace* |
|---|
| 2668 | public static final Symbol _SAVED_BACKTRACE_ = |
|---|
| 2669 | exportSpecial("*SAVED-BACKTRACE*", PACKAGE_EXT, NIL); |
|---|
| 2670 | |
|---|
| 2671 | // ### *command-line-argument-list* |
|---|
| 2672 | public static final Symbol _COMMAND_LINE_ARGUMENT_LIST_ = |
|---|
| 2673 | exportSpecial("*COMMAND-LINE-ARGUMENT-LIST*", PACKAGE_EXT, NIL); |
|---|
| 2674 | |
|---|
| 2675 | // ### *batch-mode* |
|---|
| 2676 | public static final Symbol _BATCH_MODE_ = |
|---|
| 2677 | exportSpecial("*BATCH-MODE*", PACKAGE_EXT, NIL); |
|---|
| 2678 | |
|---|
| 2679 | // ### *noinform* |
|---|
| 2680 | public static final Symbol _NOINFORM_ = |
|---|
| 2681 | exportSpecial("*NOINFORM*", PACKAGE_SYS, NIL); |
|---|
| 2682 | |
|---|
| 2683 | // ### *disassembler* |
|---|
| 2684 | public static final Symbol _DISASSEMBLER_ = |
|---|
| 2685 | exportSpecial("*DISASSEMBLER*", PACKAGE_EXT, |
|---|
| 2686 | new SimpleString("jad -a -p")); // or "jad -dis -p" |
|---|
| 2687 | |
|---|
| 2688 | // ### *speed* compiler policy |
|---|
| 2689 | public static final Symbol _SPEED_ = |
|---|
| 2690 | exportSpecial("*SPEED*", PACKAGE_SYS, Fixnum.ONE); |
|---|
| 2691 | |
|---|
| 2692 | // ### *space* compiler policy |
|---|
| 2693 | public static final Symbol _SPACE_ = |
|---|
| 2694 | exportSpecial("*SPACE*", PACKAGE_SYS, Fixnum.ONE); |
|---|
| 2695 | |
|---|
| 2696 | // ### *safety* compiler policy |
|---|
| 2697 | public static final Symbol _SAFETY_ = |
|---|
| 2698 | exportSpecial("*SAFETY*", PACKAGE_SYS, Fixnum.ONE); |
|---|
| 2699 | |
|---|
| 2700 | // ### *debug* compiler policy |
|---|
| 2701 | public static final Symbol _DEBUG_ = |
|---|
| 2702 | exportSpecial("*DEBUG*", PACKAGE_SYS, Fixnum.ONE); |
|---|
| 2703 | |
|---|
| 2704 | // ### *explain* compiler policy |
|---|
| 2705 | public static final Symbol _EXPLAIN_ = |
|---|
| 2706 | exportSpecial("*EXPLAIN*", PACKAGE_SYS, NIL); |
|---|
| 2707 | |
|---|
| 2708 | // ### *enable-inline-expansion* |
|---|
| 2709 | public static final Symbol _ENABLE_INLINE_EXPANSION_ = |
|---|
| 2710 | exportSpecial("*ENABLE-INLINE-EXPANSION*", PACKAGE_EXT, T); |
|---|
| 2711 | |
|---|
| 2712 | // ### *require-stack-frame* |
|---|
| 2713 | public static final Symbol _REQUIRE_STACK_FRAME_ = |
|---|
| 2714 | exportSpecial("*REQUIRE-STACK-FRAME*", PACKAGE_EXT, NIL); |
|---|
| 2715 | |
|---|
| 2716 | static |
|---|
| 2717 | { |
|---|
| 2718 | Symbol.SUPPRESS_COMPILER_WARNINGS.initializeSpecial(NIL); |
|---|
| 2719 | } |
|---|
| 2720 | |
|---|
| 2721 | public static final Symbol _COMPILE_FILE_ENVIRONMENT_ = |
|---|
| 2722 | exportSpecial("*COMPILE-FILE-ENVIRONMENT*", PACKAGE_SYS, NIL); |
|---|
| 2723 | |
|---|
| 2724 | public static final LispObject UNBOUND_VALUE = new unboundValue(); |
|---|
| 2725 | static class unboundValue extends LispObject |
|---|
| 2726 | { |
|---|
| 2727 | @Override |
|---|
| 2728 | public String printObject() |
|---|
| 2729 | { |
|---|
| 2730 | return unreadableString("UNBOUND", false); |
|---|
| 2731 | } |
|---|
| 2732 | } |
|---|
| 2733 | |
|---|
| 2734 | public static final LispObject NULL_VALUE = new nullValue(); |
|---|
| 2735 | static class nullValue extends LispObject |
|---|
| 2736 | { |
|---|
| 2737 | @Override |
|---|
| 2738 | public String printObject() |
|---|
| 2739 | { |
|---|
| 2740 | return unreadableString("null", false); |
|---|
| 2741 | } |
|---|
| 2742 | } |
|---|
| 2743 | |
|---|
| 2744 | public static final Symbol _SLOT_UNBOUND_ = |
|---|
| 2745 | exportConstant("+SLOT-UNBOUND+", PACKAGE_SYS, UNBOUND_VALUE); |
|---|
| 2746 | |
|---|
| 2747 | public static final Symbol _CL_PACKAGE_ = |
|---|
| 2748 | exportConstant("+CL-PACKAGE+", PACKAGE_SYS, PACKAGE_CL); |
|---|
| 2749 | |
|---|
| 2750 | public static final Symbol _KEYWORD_PACKAGE_ = |
|---|
| 2751 | exportConstant("+KEYWORD-PACKAGE+", PACKAGE_SYS, PACKAGE_KEYWORD); |
|---|
| 2752 | |
|---|
| 2753 | // ### *backquote-count* |
|---|
| 2754 | public static final Symbol _BACKQUOTE_COUNT_ = |
|---|
| 2755 | internSpecial("*BACKQUOTE-COUNT*", PACKAGE_SYS, Fixnum.ZERO); |
|---|
| 2756 | |
|---|
| 2757 | // ### *bq-vector-flag* |
|---|
| 2758 | public static final Symbol _BQ_VECTOR_FLAG_ = |
|---|
| 2759 | internSpecial("*BQ-VECTOR-FLAG*", PACKAGE_SYS, list(new Symbol("bqv"))); |
|---|
| 2760 | |
|---|
| 2761 | // ### *traced-names* |
|---|
| 2762 | public static final Symbol _TRACED_NAMES_ = |
|---|
| 2763 | exportSpecial("*TRACED-NAMES*", PACKAGE_SYS, NIL); |
|---|
| 2764 | |
|---|
| 2765 | // Floating point traps. |
|---|
| 2766 | protected static boolean TRAP_OVERFLOW = true; |
|---|
| 2767 | protected static boolean TRAP_UNDERFLOW = true; |
|---|
| 2768 | |
|---|
| 2769 | |
|---|
| 2770 | // Extentions |
|---|
| 2771 | static { |
|---|
| 2772 | Symbol._INSPECTOR_HOOK_.initializeSpecial(NIL); |
|---|
| 2773 | } |
|---|
| 2774 | |
|---|
| 2775 | private static final void loadClass(String className) |
|---|
| 2776 | { |
|---|
| 2777 | try |
|---|
| 2778 | { |
|---|
| 2779 | Class.forName(className); |
|---|
| 2780 | } |
|---|
| 2781 | catch (ClassNotFoundException e) |
|---|
| 2782 | { |
|---|
| 2783 | Debug.trace(e); |
|---|
| 2784 | } |
|---|
| 2785 | } |
|---|
| 2786 | |
|---|
| 2787 | static |
|---|
| 2788 | { |
|---|
| 2789 | loadClass("org.armedbear.lisp.Primitives"); |
|---|
| 2790 | loadClass("org.armedbear.lisp.SpecialOperators"); |
|---|
| 2791 | loadClass("org.armedbear.lisp.Extensions"); |
|---|
| 2792 | loadClass("org.armedbear.lisp.CompiledClosure"); |
|---|
| 2793 | loadClass("org.armedbear.lisp.Autoload"); |
|---|
| 2794 | loadClass("org.armedbear.lisp.AutoloadMacro"); |
|---|
| 2795 | loadClass("org.armedbear.lisp.AutoloadGeneralizedReference"); |
|---|
| 2796 | loadClass("org.armedbear.lisp.cxr"); |
|---|
| 2797 | loadClass("org.armedbear.lisp.Do"); |
|---|
| 2798 | loadClass("org.armedbear.lisp.dolist"); |
|---|
| 2799 | loadClass("org.armedbear.lisp.dotimes"); |
|---|
| 2800 | loadClass("org.armedbear.lisp.Pathname"); |
|---|
| 2801 | loadClass("org.armedbear.lisp.LispClass"); |
|---|
| 2802 | loadClass("org.armedbear.lisp.BuiltInClass"); |
|---|
| 2803 | loadClass("org.armedbear.lisp.StructureObject"); |
|---|
| 2804 | loadClass("org.armedbear.lisp.ash"); |
|---|
| 2805 | loadClass("org.armedbear.lisp.Java"); |
|---|
| 2806 | loadClass("org.armedbear.lisp.PackageFunctions"); |
|---|
| 2807 | cold = false; |
|---|
| 2808 | } |
|---|
| 2809 | |
|---|
| 2810 | private static Stream stdin = new Stream(Symbol.SYSTEM_STREAM, System.in, Symbol.CHARACTER, true); |
|---|
| 2811 | |
|---|
| 2812 | private static Stream stdout = new Stream(Symbol.SYSTEM_STREAM,System.out, Symbol.CHARACTER, true); |
|---|
| 2813 | |
|---|
| 2814 | static |
|---|
| 2815 | { |
|---|
| 2816 | Symbol.STANDARD_INPUT.initializeSpecial(stdin); |
|---|
| 2817 | Symbol.STANDARD_OUTPUT.initializeSpecial(stdout); |
|---|
| 2818 | Symbol.ERROR_OUTPUT.initializeSpecial(stdout); |
|---|
| 2819 | Symbol.TRACE_OUTPUT.initializeSpecial(stdout); |
|---|
| 2820 | Symbol.TERMINAL_IO.initializeSpecial(new TwoWayStream(stdin, stdout, true)); |
|---|
| 2821 | Symbol.QUERY_IO.initializeSpecial(new TwoWayStream(stdin, stdout, true)); |
|---|
| 2822 | Symbol.DEBUG_IO.initializeSpecial(new TwoWayStream(stdin, stdout, true)); |
|---|
| 2823 | } |
|---|
| 2824 | |
|---|
| 2825 | private static final SpecialOperator WITH_INLINE_CODE = new with_inline_code(); |
|---|
| 2826 | private static class with_inline_code extends SpecialOperator { |
|---|
| 2827 | with_inline_code() { |
|---|
| 2828 | super("with-inline-code", PACKAGE_JVM, true, "(&optional target repr) &body body"); |
|---|
| 2829 | } |
|---|
| 2830 | @Override |
|---|
| 2831 | public LispObject execute(LispObject args, Environment env) |
|---|
| 2832 | { |
|---|
| 2833 | return error(new SimpleError("This is a placeholder. It should only be called in compiled code, and tranformed by the compiler using special form handlers.")); |
|---|
| 2834 | } |
|---|
| 2835 | } |
|---|
| 2836 | |
|---|
| 2837 | } |
|---|