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 15770 2023-12-27 10:30:16Z mevenson $ |
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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.lang.reflect.Method; |
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43 | import java.math.BigInteger; |
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44 | import java.net.URL; |
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45 | import java.nio.charset.Charset; |
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46 | import java.util.Hashtable; |
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47 | import java.util.concurrent.ConcurrentHashMap; |
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48 | |
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49 | public final class Lisp |
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50 | { |
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51 | public static final boolean debug = true; |
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52 | |
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53 | public static boolean cold = true; |
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54 | |
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55 | public static boolean initialized; |
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56 | |
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57 | // Packages. |
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58 | public static final Package PACKAGE_CL = |
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59 | Packages.createPackage("COMMON-LISP", 2048); // EH 10-10-2010: Actual number = 1014 |
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60 | public static final Package PACKAGE_CL_USER = |
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61 | Packages.createPackage("COMMON-LISP-USER", 1024); |
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62 | public static final Package PACKAGE_KEYWORD = |
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63 | Packages.createPackage("KEYWORD", 1024); |
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64 | public static final Package PACKAGE_SYS = |
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65 | Packages.createPackage("SYSTEM", 2048); // EH 10-10-2010: Actual number = 1216 |
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66 | public static final Package PACKAGE_MOP = |
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67 | Packages.createPackage("MOP", 512); // EH 10-10-2010: Actual number = 277 |
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68 | public static final Package PACKAGE_TPL = |
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69 | Packages.createPackage("TOP-LEVEL", 128); // EH 10-10-2010: Actual number = 6 |
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70 | public static final Package PACKAGE_EXT = |
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71 | Packages.createPackage("EXTENSIONS", 256); // EH 10-10-2010: Actual number = 131 |
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72 | public static final Package PACKAGE_JVM = |
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73 | Packages.createPackage("JVM", 2048); // EH 10-10-2010: Actual number = 1518 |
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74 | public static final Package PACKAGE_LOOP = |
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75 | Packages.createPackage("LOOP", 512); // EH 10-10-2010: Actual number = 305 |
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76 | public static final Package PACKAGE_PROF = |
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77 | Packages.createPackage("PROFILER"); |
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78 | public static final Package PACKAGE_JAVA = |
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79 | Packages.createPackage("JAVA"); |
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80 | public static final Package PACKAGE_LISP = |
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81 | Packages.createPackage("LISP"); |
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82 | public static final Package PACKAGE_THREADS = |
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83 | Packages.createPackage("THREADS"); |
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84 | public static final Package PACKAGE_FORMAT = |
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85 | Packages.createPackage("FORMAT"); |
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86 | public static final Package PACKAGE_XP = |
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87 | Packages.createPackage("XP"); |
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88 | public static final Package PACKAGE_PRECOMPILER = |
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89 | Packages.createPackage("PRECOMPILER"); |
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90 | public static final Package PACKAGE_SEQUENCE = |
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91 | Packages.createPackage("SEQUENCE", 128); // EH 10-10-2010: Actual number 62 |
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92 | public static final Package PACKAGE_GRAY_STREAMS_JAVA = |
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93 | Packages.createPackage("GRAY-STREAMS/JAVA"); |
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94 | |
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95 | @DocString(name="nil") |
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96 | public static final Symbol NIL = Nil.NIL; |
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97 | |
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98 | // We need NIL before we can call usePackage(). |
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99 | static |
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100 | { |
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101 | PACKAGE_CL.addNickname("CL"); |
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102 | PACKAGE_CL_USER.addNickname("CL-USER"); |
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103 | PACKAGE_CL_USER.usePackage(PACKAGE_CL); |
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104 | PACKAGE_CL_USER.usePackage(PACKAGE_EXT); |
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105 | PACKAGE_CL_USER.usePackage(PACKAGE_JAVA); |
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106 | PACKAGE_SYS.addNickname("SYS"); |
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107 | PACKAGE_SYS.usePackage(PACKAGE_CL); |
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108 | PACKAGE_SYS.usePackage(PACKAGE_EXT); |
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109 | PACKAGE_MOP.usePackage(PACKAGE_CL); |
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110 | PACKAGE_MOP.usePackage(PACKAGE_EXT); |
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111 | PACKAGE_MOP.usePackage(PACKAGE_SYS); |
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112 | PACKAGE_TPL.addNickname("TPL"); |
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113 | PACKAGE_TPL.usePackage(PACKAGE_CL); |
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114 | PACKAGE_TPL.usePackage(PACKAGE_EXT); |
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115 | PACKAGE_EXT.addNickname("EXT"); |
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116 | PACKAGE_EXT.usePackage(PACKAGE_CL); |
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117 | PACKAGE_EXT.usePackage(PACKAGE_THREADS); |
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118 | PACKAGE_JVM.usePackage(PACKAGE_CL); |
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119 | PACKAGE_JVM.usePackage(PACKAGE_EXT); |
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120 | PACKAGE_JVM.usePackage(PACKAGE_SYS); |
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121 | PACKAGE_LOOP.usePackage(PACKAGE_CL); |
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122 | PACKAGE_PROF.addNickname("PROF"); |
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123 | PACKAGE_PROF.usePackage(PACKAGE_CL); |
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124 | PACKAGE_PROF.usePackage(PACKAGE_EXT); |
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125 | PACKAGE_JAVA.usePackage(PACKAGE_CL); |
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126 | PACKAGE_JAVA.usePackage(PACKAGE_EXT); |
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127 | PACKAGE_LISP.usePackage(PACKAGE_CL); |
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128 | PACKAGE_LISP.usePackage(PACKAGE_EXT); |
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129 | PACKAGE_LISP.usePackage(PACKAGE_SYS); |
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130 | PACKAGE_THREADS.usePackage(PACKAGE_CL); |
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131 | PACKAGE_THREADS.usePackage(PACKAGE_EXT); |
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132 | PACKAGE_THREADS.usePackage(PACKAGE_SYS); |
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133 | PACKAGE_FORMAT.usePackage(PACKAGE_CL); |
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134 | PACKAGE_FORMAT.usePackage(PACKAGE_EXT); |
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135 | PACKAGE_XP.usePackage(PACKAGE_CL); |
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136 | PACKAGE_PRECOMPILER.addNickname("PRE"); |
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137 | PACKAGE_PRECOMPILER.usePackage(PACKAGE_CL); |
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138 | PACKAGE_PRECOMPILER.usePackage(PACKAGE_EXT); |
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139 | PACKAGE_PRECOMPILER.usePackage(PACKAGE_SYS); |
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140 | PACKAGE_SEQUENCE.usePackage(PACKAGE_CL); |
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141 | PACKAGE_GRAY_STREAMS_JAVA.usePackage(PACKAGE_CL); |
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142 | } |
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143 | |
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144 | // End-of-file marker. |
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145 | public static final LispObject EOF = new LispObject(); |
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146 | |
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147 | // String hash randomization base |
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148 | // Sets a base offset hashing value per JVM session, as an antidote to |
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149 | // http://www.nruns.com/_downloads/advisory28122011.pdf |
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150 | // (Denial of Service through hash table multi-collisions) |
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151 | public static final int randomStringHashBase = |
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152 | (int)(new java.util.Date().getTime()); |
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153 | |
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154 | public static boolean profiling; |
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155 | |
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156 | public static boolean sampling; |
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157 | |
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158 | public static volatile boolean sampleNow; |
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159 | |
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160 | // args must not be null! |
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161 | public static final LispObject funcall(LispObject fun, LispObject[] args, |
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162 | LispThread thread) |
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163 | |
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164 | { |
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165 | thread._values = null; |
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166 | |
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167 | // 26-07-2009: For some reason we cannot "just" call the array version; |
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168 | // it causes an error (Wrong number of arguments for LOOP-FOR-IN) |
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169 | // which is probably a sign of an issue in our design? |
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170 | switch (args.length) |
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171 | { |
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172 | case 0: |
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173 | return thread.execute(fun); |
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174 | case 1: |
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175 | return thread.execute(fun, args[0]); |
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176 | case 2: |
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177 | return thread.execute(fun, args[0], args[1]); |
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178 | case 3: |
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179 | return thread.execute(fun, args[0], args[1], args[2]); |
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180 | case 4: |
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181 | return thread.execute(fun, args[0], args[1], args[2], args[3]); |
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182 | case 5: |
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183 | return thread.execute(fun, args[0], args[1], args[2], args[3], |
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184 | args[4]); |
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185 | case 6: |
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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]); |
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188 | case 7: |
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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]); |
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191 | case 8: |
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192 | return thread.execute(fun, args[0], args[1], args[2], args[3], |
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193 | args[4], args[5], args[6], args[7]); |
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194 | default: |
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195 | return thread.execute(fun, args); |
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196 | } |
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197 | } |
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198 | |
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199 | public static final LispObject macroexpand(LispObject form, |
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200 | final Environment env, |
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201 | final LispThread thread) |
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202 | |
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203 | { |
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204 | LispObject expanded = NIL; |
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205 | while (true) |
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206 | { |
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207 | form = macroexpand_1(form, env, thread); |
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208 | LispObject[] values = thread._values; |
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209 | if (values[1] == NIL) |
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210 | { |
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211 | values[1] = expanded; |
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212 | return form; |
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213 | } |
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214 | expanded = T; |
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215 | } |
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216 | } |
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217 | |
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218 | public static final LispObject macroexpand_1(final LispObject form, |
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219 | final Environment env, |
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220 | final LispThread thread) |
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221 | |
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222 | { |
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223 | if (form instanceof Cons) |
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224 | { |
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225 | LispObject car = ((Cons)form).car; |
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226 | if (car instanceof Symbol) |
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227 | { |
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228 | LispObject obj = env.lookupFunction(car); |
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229 | if (obj instanceof AutoloadMacro) |
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230 | { |
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231 | // Don't autoload function objects here: |
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232 | // we want that to happen upon the first use. |
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233 | // in case of macro functions, this *is* the first use. |
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234 | Autoload autoload = (Autoload) obj; |
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235 | autoload.load(); |
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236 | obj = car.getSymbolFunction(); |
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237 | } |
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238 | if (obj instanceof SpecialOperator) |
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239 | { |
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240 | obj = get(car, Symbol.MACROEXPAND_MACRO, null); |
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241 | if (obj instanceof Autoload) |
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242 | { |
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243 | Autoload autoload = (Autoload) obj; |
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244 | autoload.load(); |
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245 | obj = get(car, Symbol.MACROEXPAND_MACRO, null); |
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246 | } |
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247 | } |
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248 | if (obj instanceof MacroObject) |
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249 | { |
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250 | LispObject expander = ((MacroObject)obj).expander; |
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251 | if (profiling) |
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252 | if (!sampling) |
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253 | expander.incrementCallCount(); |
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254 | LispObject hook = |
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255 | coerceToFunction(Symbol.MACROEXPAND_HOOK.symbolValue(thread)); |
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256 | return thread.setValues(hook.execute(expander, form, env), |
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257 | T); |
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258 | } |
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259 | } |
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260 | } |
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261 | else if (form instanceof Symbol) |
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262 | { |
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263 | Symbol symbol = (Symbol) form; |
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264 | LispObject obj = env.lookup(symbol); |
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265 | if (obj == null) { |
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266 | obj = symbol.getSymbolMacro(); |
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267 | } |
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268 | if (obj instanceof SymbolMacro) { |
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269 | return thread.setValues(((SymbolMacro)obj).getExpansion(), T); |
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270 | } |
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271 | } |
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272 | // Not a macro. |
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273 | return thread.setValues(form, NIL); |
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274 | } |
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275 | |
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276 | @DocString(name="interactive-eval") |
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277 | private static final Primitive INTERACTIVE_EVAL = |
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278 | new Primitive("interactive-eval", PACKAGE_SYS, true) |
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279 | { |
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280 | @Override |
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281 | public LispObject execute(LispObject object) |
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282 | { |
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283 | final LispThread thread = LispThread.currentThread(); |
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284 | thread.setSpecialVariable(Symbol.MINUS, object); |
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285 | LispObject result; |
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286 | try |
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287 | { |
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288 | result = thread.execute(Symbol.EVAL.getSymbolFunction(), object); |
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289 | } |
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290 | catch (OutOfMemoryError e) |
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291 | { |
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292 | return error(new StorageCondition("Out of memory " + e.getMessage())); |
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293 | } |
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294 | catch (StackOverflowError e) |
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295 | { |
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296 | thread.setSpecialVariable(_SAVED_BACKTRACE_, |
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297 | thread.backtrace(0)); |
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298 | return error(new StorageCondition("Stack overflow in interactive eval")); |
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299 | } |
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300 | catch (ControlTransfer c) |
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301 | { |
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302 | throw c; |
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303 | } |
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304 | catch (ProcessingTerminated c) |
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305 | { |
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306 | throw c; |
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307 | } |
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308 | catch (IntegrityError c) |
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309 | { |
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310 | throw c; |
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311 | } |
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312 | catch (Throwable t) // ControlTransfer handled above |
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313 | { |
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314 | Debug.trace(t); |
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315 | thread.setSpecialVariable(_SAVED_BACKTRACE_, |
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316 | thread.backtrace(0)); |
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317 | return error(new LispError("Caught " + t + ".")); |
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318 | } |
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319 | Debug.assertTrue(result != null); |
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320 | thread.setSpecialVariable(Symbol.STAR_STAR_STAR, |
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321 | thread.safeSymbolValue(Symbol.STAR_STAR)); |
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322 | thread.setSpecialVariable(Symbol.STAR_STAR, |
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323 | thread.safeSymbolValue(Symbol.STAR)); |
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324 | thread.setSpecialVariable(Symbol.STAR, result); |
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325 | thread.setSpecialVariable(Symbol.PLUS_PLUS_PLUS, |
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326 | thread.safeSymbolValue(Symbol.PLUS_PLUS)); |
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327 | thread.setSpecialVariable(Symbol.PLUS_PLUS, |
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328 | thread.safeSymbolValue(Symbol.PLUS)); |
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329 | thread.setSpecialVariable(Symbol.PLUS, |
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330 | thread.safeSymbolValue(Symbol.MINUS)); |
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331 | LispObject[] values = thread._values; |
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332 | thread.setSpecialVariable(Symbol.SLASH_SLASH_SLASH, |
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333 | thread.safeSymbolValue(Symbol.SLASH_SLASH)); |
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334 | thread.setSpecialVariable(Symbol.SLASH_SLASH, |
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335 | thread.safeSymbolValue(Symbol.SLASH)); |
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336 | if (values != null) |
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337 | { |
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338 | LispObject slash = NIL; |
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339 | for (int i = values.length; i-- > 0;) |
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340 | slash = new Cons(values[i], slash); |
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341 | thread.setSpecialVariable(Symbol.SLASH, slash); |
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342 | } |
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343 | else |
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344 | thread.setSpecialVariable(Symbol.SLASH, new Cons(result)); |
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345 | return result; |
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346 | } |
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347 | }; |
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348 | |
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349 | private static final void pushJavaStackFrames() |
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350 | { |
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351 | final LispThread thread = LispThread.currentThread(); |
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352 | final StackTraceElement[] frames = thread.getJavaStackTrace(); |
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353 | |
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354 | // frames[0] java.lang.Thread.getStackTrace |
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355 | // frames[1] org.armedbear.lisp.LispThread.getJavaStackTrace |
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356 | // frames[2] org.armedbear.lisp.Lisp.pushJavaStackFrames |
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357 | |
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358 | if (frames.length > 5 |
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359 | && frames[3].getClassName().equals("org.armedbear.lisp.Lisp") |
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360 | && frames[3].getMethodName().equals("error") |
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361 | && frames[4].getClassName().startsWith("org.armedbear.lisp.Lisp") |
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362 | && frames[4].getMethodName().equals("eval")) { |
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363 | // Error condition arising from within Lisp.eval(), so no |
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364 | // Java stack frames should be visible to the consumer of the stack abstraction |
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365 | return; |
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366 | } |
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367 | // Search for last Primitive in the StackTrace; that was the |
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368 | // last entry point from Lisp. |
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369 | int last = frames.length - 1; |
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370 | for (int i = 0; i<= last; i++) { |
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371 | if (frames[i].getClassName().startsWith("org.armedbear.lisp.Primitive")) |
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372 | last = i; |
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373 | } |
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374 | // Do not include the first three frames which, as noted above, constitute |
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375 | // the invocation of this method. |
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376 | while (last > 2) { |
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377 | thread.pushStackFrame(new JavaStackFrame(frames[last])); |
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378 | last--; |
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379 | } |
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380 | } |
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381 | |
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382 | |
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383 | public static final LispObject error(LispObject condition) |
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384 | { |
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385 | pushJavaStackFrames(); |
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386 | return Symbol.ERROR.execute(condition); |
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387 | } |
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388 | |
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389 | // stackError() calls are emitted by the compiler |
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390 | // in [[file:compiler-pass2.lisp::emit-invokestatic +lisp+ "stackError" nil +lisp-object+]] |
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391 | // it would be nice to visit that code to add some kind of reference to which block exhausted the stack |
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392 | public static final LispObject stackError() |
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393 | { |
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394 | pushJavaStackFrames(); |
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395 | return Symbol.ERROR.execute(new StorageCondition("Stack overflow from compiled code")); |
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396 | } |
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397 | |
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398 | public static final LispObject memoryError(OutOfMemoryError exception) |
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399 | { |
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400 | pushJavaStackFrames(); |
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401 | return Symbol.ERROR.execute(new StorageCondition("Out of memory: " |
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402 | + exception.getMessage())); |
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403 | } |
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404 | |
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405 | public static final int ierror(LispObject condition) |
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406 | { |
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407 | error(condition); |
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408 | return 0; // Not reached |
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409 | } |
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410 | |
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411 | public static final String serror(LispObject condition) |
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412 | { |
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413 | error(condition); |
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414 | return ""; // Not reached |
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415 | } |
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416 | |
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417 | |
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418 | public static final LispObject error(LispObject condition, LispObject message) |
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419 | { |
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420 | pushJavaStackFrames(); |
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421 | return Symbol.ERROR.execute(condition, Keyword.FORMAT_CONTROL, message); |
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422 | } |
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423 | |
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424 | public static final int ierror(LispObject condition, LispObject message) |
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425 | { |
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426 | error(condition, message); |
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427 | return 0; // Not reached |
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428 | } |
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429 | |
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430 | public static final String serror(LispObject condition, LispObject message) |
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431 | { |
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432 | error(condition, message); |
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433 | return ""; // Not reached |
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434 | } |
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435 | |
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436 | public static final LispObject parse_error(String message) { |
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437 | return error(new ParseError(message)); |
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438 | } |
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439 | |
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440 | public static final LispObject simple_error(String formatControl, Object... args) { |
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441 | LispObject lispArgs = NIL; |
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442 | for (int i = 0; i < args.length; i++) { |
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443 | if (args[i] instanceof LispObject) { |
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444 | lispArgs = lispArgs.push((LispObject)args[i]); |
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445 | } else if (args[i] instanceof String) { |
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446 | lispArgs = lispArgs.push(new SimpleString((String)args[i])); |
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447 | } else { |
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448 | lispArgs = lispArgs.push(new JavaObject(args[i])); |
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449 | } |
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450 | } |
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451 | lispArgs = lispArgs.nreverse(); |
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452 | |
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453 | LispObject format = new SimpleString(formatControl); |
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454 | |
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455 | SimpleError s = new SimpleError(format, lispArgs); |
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456 | return error(s); |
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457 | } |
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458 | |
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459 | public static final LispObject type_error(LispObject datum, |
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460 | LispObject expectedType) |
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461 | { |
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462 | return error(new TypeError(datum, expectedType)); |
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463 | } |
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464 | |
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465 | public static final LispObject type_error(String message, |
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466 | LispObject datum, |
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467 | LispObject expectedType) { |
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468 | return error(new TypeError(message, datum, expectedType)); |
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469 | } |
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470 | |
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471 | public static final LispObject program_error(String message) |
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472 | { |
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473 | return error(new ProgramError(message)); |
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474 | } |
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475 | |
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476 | public static final LispObject program_error(LispObject initArgs) |
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477 | { |
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478 | return error(new ProgramError(initArgs)); |
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479 | } |
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480 | |
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481 | public static final LispObject java_error(Throwable t) { |
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482 | return error(new JavaException(t)); |
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483 | } |
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484 | |
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485 | public static volatile boolean interrupted; |
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486 | public static volatile LispThread threadToInterrupt; |
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487 | |
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488 | public static synchronized final void setInterrupted(LispThread thread, boolean b) |
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489 | { |
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490 | if (b) |
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491 | { threadToInterrupt = thread; } |
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492 | else |
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493 | { threadToInterrupt = null; } |
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494 | interrupted = b; |
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495 | } |
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496 | |
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497 | public static synchronized final void handleInterrupt() |
---|
498 | { |
---|
499 | LispThread currentThread = LispThread.currentThread(); |
---|
500 | LispThread checkThread = threadToInterrupt; |
---|
501 | setInterrupted(null, false); |
---|
502 | if ((currentThread == threadToInterrupt) || (threadToInterrupt == null)) |
---|
503 | { |
---|
504 | // Symbol.BREAK.getSymbolFunction().execute(); |
---|
505 | currentThread.processThreadInterrupts(); |
---|
506 | } |
---|
507 | setInterrupted(null, false); |
---|
508 | } |
---|
509 | |
---|
510 | // Used by the compiler. |
---|
511 | public static final LispObject loadTimeValue(LispObject obj) |
---|
512 | |
---|
513 | { |
---|
514 | final LispThread thread = LispThread.currentThread(); |
---|
515 | if (Symbol.LOAD_TRUENAME.symbolValue(thread) != NIL) |
---|
516 | return eval(obj, new Environment(), thread); |
---|
517 | else |
---|
518 | return NIL; |
---|
519 | } |
---|
520 | |
---|
521 | public static final LispObject eval(LispObject obj) |
---|
522 | |
---|
523 | { |
---|
524 | return eval(obj, new Environment(), LispThread.currentThread()); |
---|
525 | } |
---|
526 | |
---|
527 | public static final LispObject eval(final LispObject obj, |
---|
528 | final Environment env, |
---|
529 | final LispThread thread) |
---|
530 | |
---|
531 | { |
---|
532 | thread._values = null; |
---|
533 | if (interrupted) |
---|
534 | handleInterrupt(); |
---|
535 | if (thread.isDestroyed()) |
---|
536 | throw new ThreadDestroyed(); |
---|
537 | if (obj instanceof Symbol) |
---|
538 | { |
---|
539 | Symbol symbol = (Symbol)obj; |
---|
540 | LispObject result; |
---|
541 | if (symbol.isSpecialVariable()) |
---|
542 | { |
---|
543 | if (symbol.constantp()) |
---|
544 | return symbol.getSymbolValue(); |
---|
545 | else |
---|
546 | result = thread.lookupSpecial(symbol); |
---|
547 | } |
---|
548 | else if (env.isDeclaredSpecial(symbol)) |
---|
549 | result = thread.lookupSpecial(symbol); |
---|
550 | else |
---|
551 | result = env.lookup(symbol); |
---|
552 | if (result == null) |
---|
553 | { |
---|
554 | result = symbol.getSymbolMacro(); |
---|
555 | if (result == null) { |
---|
556 | result = symbol.getSymbolValue(); |
---|
557 | } |
---|
558 | if(result == null) { |
---|
559 | return error(new UnboundVariable(obj)); |
---|
560 | } |
---|
561 | } |
---|
562 | if (result instanceof SymbolMacro) |
---|
563 | return eval(((SymbolMacro)result).getExpansion(), env, thread); |
---|
564 | return result; |
---|
565 | } |
---|
566 | else if (obj instanceof Cons) |
---|
567 | { |
---|
568 | LispObject first = ((Cons)obj).car; |
---|
569 | if (first instanceof Symbol) |
---|
570 | { |
---|
571 | LispObject fun = env.lookupFunction(first); |
---|
572 | if (fun instanceof SpecialOperator) |
---|
573 | { |
---|
574 | if (profiling) |
---|
575 | if (!sampling) |
---|
576 | fun.incrementCallCount(); |
---|
577 | // Don't eval args! |
---|
578 | { |
---|
579 | LispObject stepInSymbolResult = NIL; |
---|
580 | long stepNumberInternal = 0; |
---|
581 | if (stepping) { |
---|
582 | stepInSymbolResult = stepInSymbolP(fun, obj); |
---|
583 | if (stepInSymbolResult != NIL) { |
---|
584 | stepNumber += 1; |
---|
585 | stepNumberInternal = stepNumber; |
---|
586 | handleStepping(fun, (obj != NIL) ? ((Cons)obj).cdr : obj, env, |
---|
587 | LispInteger.getInstance(stepNumberInternal)); |
---|
588 | } |
---|
589 | } |
---|
590 | // BEGIN Original code without step instrumentation |
---|
591 | LispObject result = fun.execute(((Cons)obj).cdr, env); |
---|
592 | // END Original code |
---|
593 | if (stepping) { |
---|
594 | if (stepInSymbolResult != NIL) { |
---|
595 | printStepValue(stepNumberInternal, result, thread); |
---|
596 | } |
---|
597 | setStepCounterCompleted(stepNumberInternal); |
---|
598 | } |
---|
599 | return result; |
---|
600 | } |
---|
601 | } |
---|
602 | if (fun instanceof MacroObject) |
---|
603 | { |
---|
604 | try |
---|
605 | { |
---|
606 | thread.envStack.push(new Environment(null,NIL,fun)); |
---|
607 | return eval(macroexpand(obj, env, thread), env, thread);} |
---|
608 | finally |
---|
609 | { |
---|
610 | thread.envStack.pop(); |
---|
611 | } |
---|
612 | } |
---|
613 | if (fun instanceof Autoload) |
---|
614 | { |
---|
615 | Autoload autoload = (Autoload) fun; |
---|
616 | autoload.load(); |
---|
617 | return eval(obj, env, thread); |
---|
618 | } |
---|
619 | return evalCall(fun != null ? fun : first, |
---|
620 | ((Cons)obj).cdr, env, thread); |
---|
621 | } |
---|
622 | else |
---|
623 | { |
---|
624 | if (first instanceof Cons && first.car() == Symbol.LAMBDA) |
---|
625 | { |
---|
626 | Closure closure = new Closure(first, env); |
---|
627 | return evalCall(closure, ((Cons)obj).cdr, env, thread); |
---|
628 | } |
---|
629 | else |
---|
630 | return program_error("Illegal function object: " |
---|
631 | + first.princToString() + "."); |
---|
632 | } |
---|
633 | } |
---|
634 | else |
---|
635 | return obj; |
---|
636 | } |
---|
637 | |
---|
638 | public static final int CALL_REGISTERS_MAX = 8; |
---|
639 | |
---|
640 | // Also used in JProxy.java. |
---|
641 | public static final LispObject evalCall(LispObject function, |
---|
642 | LispObject args, |
---|
643 | Environment env, |
---|
644 | LispThread thread) |
---|
645 | { |
---|
646 | if (stepping) { |
---|
647 | return evalCallStepper(function, args, env, thread); |
---|
648 | } |
---|
649 | if (args == NIL) { |
---|
650 | return thread.execute(function); |
---|
651 | } |
---|
652 | LispObject first = eval(args.car(), env, thread); |
---|
653 | args = ((Cons)args).cdr; |
---|
654 | if (args == NIL) { |
---|
655 | thread._values = null; |
---|
656 | return thread.execute(function, first); |
---|
657 | } |
---|
658 | LispObject second = eval(args.car(), env, thread); |
---|
659 | args = ((Cons)args).cdr; |
---|
660 | if (args == NIL) { |
---|
661 | thread._values = null; |
---|
662 | return thread.execute(function, first, second); |
---|
663 | } |
---|
664 | LispObject third = eval(args.car(), env, thread); |
---|
665 | args = ((Cons)args).cdr; |
---|
666 | if (args == NIL) { |
---|
667 | thread._values = null; |
---|
668 | return thread.execute(function, first, second, third); |
---|
669 | } |
---|
670 | LispObject fourth = eval(args.car(), env, thread); |
---|
671 | args = ((Cons)args).cdr; |
---|
672 | if (args == NIL) { |
---|
673 | thread._values = null; |
---|
674 | return thread.execute(function, first, second, third, fourth); |
---|
675 | } |
---|
676 | LispObject fifth = eval(args.car(), env, thread); |
---|
677 | args = ((Cons)args).cdr; |
---|
678 | if (args == NIL) { |
---|
679 | thread._values = null; |
---|
680 | return thread.execute(function, first, second, third, fourth, fifth); |
---|
681 | } |
---|
682 | LispObject sixth = eval(args.car(), env, thread); |
---|
683 | args = ((Cons)args).cdr; |
---|
684 | if (args == NIL) { |
---|
685 | thread._values = null; |
---|
686 | return thread.execute(function, first, second, third, fourth, fifth, |
---|
687 | sixth); |
---|
688 | } |
---|
689 | LispObject seventh = eval(args.car(), env, thread); |
---|
690 | args = ((Cons)args).cdr; |
---|
691 | if (args == NIL) { |
---|
692 | thread._values = null; |
---|
693 | return thread.execute(function, first, second, third, fourth, fifth, |
---|
694 | sixth, seventh); |
---|
695 | } |
---|
696 | LispObject eighth = eval(args.car(), env, thread); |
---|
697 | args = ((Cons)args).cdr; |
---|
698 | if (args == NIL) { |
---|
699 | thread._values = null; |
---|
700 | return thread.execute(function, first, second, third, fourth, fifth, |
---|
701 | sixth, seventh, eighth); |
---|
702 | } |
---|
703 | // More than CALL_REGISTERS_MAX arguments. |
---|
704 | final int length = args.length() + CALL_REGISTERS_MAX; |
---|
705 | LispObject[] array = new LispObject[length]; |
---|
706 | array[0] = first; |
---|
707 | array[1] = second; |
---|
708 | array[2] = third; |
---|
709 | array[3] = fourth; |
---|
710 | array[4] = fifth; |
---|
711 | array[5] = sixth; |
---|
712 | array[6] = seventh; |
---|
713 | array[7] = eighth; |
---|
714 | for (int i = CALL_REGISTERS_MAX; i < length; i++) { |
---|
715 | array[i] = eval(args.car(), env, thread); |
---|
716 | args = args.cdr(); |
---|
717 | } |
---|
718 | thread._values = null; |
---|
719 | return thread.execute(function, array); |
---|
720 | } |
---|
721 | |
---|
722 | public static final LispObject evalCallStepper(LispObject function, |
---|
723 | LispObject args, |
---|
724 | Environment env, |
---|
725 | LispThread thread) |
---|
726 | { |
---|
727 | LispObject stepInSymbolResult = stepInSymbolP(function, args); |
---|
728 | long stepNumberInternal = 0; |
---|
729 | if (stepInSymbolResult != NIL) { |
---|
730 | stepNumber += 1; |
---|
731 | stepNumberInternal = stepNumber; |
---|
732 | handleStepping(function, args != NIL ? ((Cons)args) : args, env, |
---|
733 | LispInteger.getInstance(stepNumber)); |
---|
734 | } |
---|
735 | LispObject result = NIL; |
---|
736 | if (args == NIL) { |
---|
737 | result = thread.execute(function); |
---|
738 | if (stepInSymbolResult != NIL) { |
---|
739 | printStepValue(stepNumberInternal, result, thread); |
---|
740 | } |
---|
741 | setStepCounterCompleted(stepNumberInternal); |
---|
742 | return result; |
---|
743 | } |
---|
744 | LispObject first = eval(args.car(), env, thread); |
---|
745 | args = ((Cons)args).cdr; |
---|
746 | if (args == NIL) { |
---|
747 | thread._values = null; |
---|
748 | result = thread.execute(function, first); |
---|
749 | if (stepInSymbolResult != NIL) { |
---|
750 | printStepValue(stepNumberInternal, result, thread); |
---|
751 | } |
---|
752 | setStepCounterCompleted(stepNumberInternal); |
---|
753 | return result; |
---|
754 | } |
---|
755 | LispObject second = eval(args.car(), env, thread); |
---|
756 | args = ((Cons)args).cdr; |
---|
757 | if (args == NIL) { |
---|
758 | thread._values = null; |
---|
759 | result = thread.execute(function, first, second); |
---|
760 | if (stepInSymbolResult != NIL) { |
---|
761 | printStepValue(stepNumberInternal, result, thread); |
---|
762 | } |
---|
763 | setStepCounterCompleted(stepNumberInternal); |
---|
764 | return result; |
---|
765 | } |
---|
766 | LispObject third = eval(args.car(), env, thread); |
---|
767 | args = ((Cons)args).cdr; |
---|
768 | if (args == NIL) { |
---|
769 | thread._values = null; |
---|
770 | result = thread.execute(function, first, second, third); |
---|
771 | if (stepInSymbolResult != NIL) { |
---|
772 | printStepValue(stepNumberInternal, result, thread); |
---|
773 | } |
---|
774 | setStepCounterCompleted(stepNumberInternal); |
---|
775 | return result; |
---|
776 | } |
---|
777 | LispObject fourth = eval(args.car(), env, thread); |
---|
778 | args = ((Cons)args).cdr; |
---|
779 | if (args == NIL) { |
---|
780 | thread._values = null; |
---|
781 | result = thread.execute(function, first, second, third, fourth); |
---|
782 | if (stepInSymbolResult != NIL) { |
---|
783 | printStepValue(stepNumberInternal, result, thread); |
---|
784 | } |
---|
785 | setStepCounterCompleted(stepNumberInternal); |
---|
786 | return result; |
---|
787 | } |
---|
788 | LispObject fifth = eval(args.car(), env, thread); |
---|
789 | args = ((Cons)args).cdr; |
---|
790 | if (args == NIL) { |
---|
791 | thread._values = null; |
---|
792 | result = thread.execute(function, first, second, third, fourth, fifth); |
---|
793 | if (stepInSymbolResult != NIL) { |
---|
794 | printStepValue(stepNumberInternal, result, thread); |
---|
795 | } |
---|
796 | setStepCounterCompleted(stepNumberInternal); |
---|
797 | return result; |
---|
798 | } |
---|
799 | LispObject sixth = eval(args.car(), env, thread); |
---|
800 | args = ((Cons)args).cdr; |
---|
801 | if (args == NIL) { |
---|
802 | thread._values = null; |
---|
803 | result = thread.execute(function, first, second, third, fourth, fifth, |
---|
804 | sixth); |
---|
805 | if (stepInSymbolResult != NIL) { |
---|
806 | printStepValue(stepNumberInternal, result, thread); |
---|
807 | } |
---|
808 | setStepCounterCompleted(stepNumberInternal); |
---|
809 | return result; |
---|
810 | } |
---|
811 | LispObject seventh = eval(args.car(), env, thread); |
---|
812 | args = ((Cons)args).cdr; |
---|
813 | if (args == NIL) { |
---|
814 | thread._values = null; |
---|
815 | result = thread.execute(function, first, second, third, fourth, fifth, |
---|
816 | sixth, seventh); |
---|
817 | if (stepInSymbolResult != NIL) { |
---|
818 | printStepValue(stepNumberInternal, result, thread); |
---|
819 | } |
---|
820 | setStepCounterCompleted(stepNumberInternal); |
---|
821 | return result; |
---|
822 | } |
---|
823 | LispObject eighth = eval(args.car(), env, thread); |
---|
824 | args = ((Cons)args).cdr; |
---|
825 | if (args == NIL) { |
---|
826 | thread._values = null; |
---|
827 | result = thread.execute(function, first, second, third, fourth, fifth, |
---|
828 | sixth, seventh, eighth); |
---|
829 | if (stepInSymbolResult != NIL) { |
---|
830 | printStepValue(stepNumberInternal, result, thread); |
---|
831 | } |
---|
832 | setStepCounterCompleted(stepNumberInternal); |
---|
833 | return result; |
---|
834 | } |
---|
835 | // More than CALL_REGISTERS_MAX arguments. |
---|
836 | final int length = args.length() + CALL_REGISTERS_MAX; |
---|
837 | LispObject[] array = new LispObject[length]; |
---|
838 | array[0] = first; |
---|
839 | array[1] = second; |
---|
840 | array[2] = third; |
---|
841 | array[3] = fourth; |
---|
842 | array[4] = fifth; |
---|
843 | array[5] = sixth; |
---|
844 | array[6] = seventh; |
---|
845 | array[7] = eighth; |
---|
846 | for (int i = CALL_REGISTERS_MAX; i < length; i++) { |
---|
847 | array[i] = eval(args.car(), env, thread); |
---|
848 | args = args.cdr(); |
---|
849 | } |
---|
850 | thread._values = null; |
---|
851 | result = thread.execute(function, array); |
---|
852 | if (stepInSymbolResult != NIL) { |
---|
853 | printStepValue(stepNumberInternal, result, thread); |
---|
854 | } |
---|
855 | setStepCounterCompleted(stepNumberInternal); |
---|
856 | return result; |
---|
857 | |
---|
858 | } |
---|
859 | |
---|
860 | public static final LispObject parseBody(LispObject body, |
---|
861 | boolean documentationAllowed) |
---|
862 | |
---|
863 | { |
---|
864 | LispObject decls = NIL; |
---|
865 | LispObject doc = NIL; |
---|
866 | |
---|
867 | while (body != NIL) { |
---|
868 | LispObject form = body.car(); |
---|
869 | if (documentationAllowed && form instanceof AbstractString |
---|
870 | && body.cdr() != NIL) { |
---|
871 | doc = body.car(); |
---|
872 | documentationAllowed = false; |
---|
873 | } else if (form instanceof Cons && form.car() == Symbol.DECLARE) |
---|
874 | decls = new Cons(form, decls); |
---|
875 | else |
---|
876 | break; |
---|
877 | |
---|
878 | body = body.cdr(); |
---|
879 | } |
---|
880 | return list(body, decls.nreverse(), doc); |
---|
881 | } |
---|
882 | |
---|
883 | public static final LispObject parseSpecials(LispObject forms) |
---|
884 | |
---|
885 | { |
---|
886 | LispObject specials = NIL; |
---|
887 | while (forms != NIL) { |
---|
888 | LispObject decls = forms.car(); |
---|
889 | |
---|
890 | Debug.assertTrue(decls instanceof Cons); |
---|
891 | Debug.assertTrue(decls.car() == Symbol.DECLARE); |
---|
892 | decls = decls.cdr(); |
---|
893 | while (decls != NIL) { |
---|
894 | LispObject decl = decls.car(); |
---|
895 | |
---|
896 | if (decl instanceof Cons && decl.car() == Symbol.SPECIAL) { |
---|
897 | decl = decl.cdr(); |
---|
898 | while (decl != NIL) { |
---|
899 | specials = new Cons(checkSymbol(decl.car()), specials); |
---|
900 | decl = decl.cdr(); |
---|
901 | } |
---|
902 | } |
---|
903 | |
---|
904 | decls = decls.cdr(); |
---|
905 | } |
---|
906 | |
---|
907 | forms = forms.cdr(); |
---|
908 | } |
---|
909 | |
---|
910 | return specials; |
---|
911 | } |
---|
912 | |
---|
913 | public static final LispObject progn(LispObject body, Environment env, |
---|
914 | LispThread thread) |
---|
915 | |
---|
916 | { |
---|
917 | LispObject result = NIL; |
---|
918 | while (body != NIL) |
---|
919 | { |
---|
920 | result = eval(body.car(), env, thread); |
---|
921 | body = ((Cons)body).cdr; |
---|
922 | } |
---|
923 | return result; |
---|
924 | } |
---|
925 | |
---|
926 | public static final LispObject preprocessTagBody(LispObject body, |
---|
927 | Environment env) |
---|
928 | |
---|
929 | { |
---|
930 | LispObject localTags = NIL; // Tags that are local to this TAGBODY. |
---|
931 | while (body != NIL) |
---|
932 | { |
---|
933 | LispObject current = body.car(); |
---|
934 | body = ((Cons)body).cdr; |
---|
935 | if (current instanceof Cons) |
---|
936 | continue; |
---|
937 | // It's a tag. |
---|
938 | env.addTagBinding(current, body); |
---|
939 | localTags = new Cons(current, localTags); |
---|
940 | } |
---|
941 | return localTags; |
---|
942 | } |
---|
943 | |
---|
944 | /** Throws a Go exception to cause a non-local transfer |
---|
945 | * of control event, after checking that the extent of |
---|
946 | * the catching tagbody hasn't ended yet. |
---|
947 | * |
---|
948 | * This version is used by the compiler. |
---|
949 | */ |
---|
950 | public static final LispObject nonLocalGo(LispObject tagbody, |
---|
951 | LispObject tag) |
---|
952 | |
---|
953 | { |
---|
954 | if (tagbody == null) |
---|
955 | return error(new ControlError("Unmatched tag " |
---|
956 | + tag.princToString() + |
---|
957 | " for GO outside lexical extent.")); |
---|
958 | |
---|
959 | throw new Go(tagbody, tag); |
---|
960 | } |
---|
961 | |
---|
962 | /** Throws a Go exception to cause a non-local transfer |
---|
963 | * of control event, after checking that the extent of |
---|
964 | * the catching tagbody hasn't ended yet. |
---|
965 | * |
---|
966 | * This version is used by the interpreter. |
---|
967 | */ |
---|
968 | static final LispObject nonLocalGo(Binding binding, |
---|
969 | LispObject tag) |
---|
970 | { |
---|
971 | if (binding.env.inactive) |
---|
972 | return error(new ControlError("Unmatched tag " |
---|
973 | + binding.symbol.princToString() + |
---|
974 | " for GO outside of lexical extent.")); |
---|
975 | |
---|
976 | throw new Go(binding.env, binding.symbol); |
---|
977 | } |
---|
978 | |
---|
979 | /** Throws a Return exception to cause a non-local transfer |
---|
980 | * of control event, after checking that the extent of |
---|
981 | * the catching block hasn't ended yet. |
---|
982 | * |
---|
983 | * This version is used by the compiler. |
---|
984 | */ |
---|
985 | public static final LispObject nonLocalReturn(LispObject blockId, |
---|
986 | LispObject blockName, |
---|
987 | LispObject result) |
---|
988 | |
---|
989 | { |
---|
990 | if (blockId == null) |
---|
991 | return error(new ControlError("Unmatched block " |
---|
992 | + blockName.princToString() + " for " + |
---|
993 | "RETURN-FROM outside lexical extent.")); |
---|
994 | |
---|
995 | throw new Return(blockId, result); |
---|
996 | } |
---|
997 | |
---|
998 | /** Throws a Return exception to cause a non-local transfer |
---|
999 | * of control event, after checking that the extent of |
---|
1000 | * the catching block hasn't ended yet. |
---|
1001 | * |
---|
1002 | * This version is used by the interpreter. |
---|
1003 | */ |
---|
1004 | static final LispObject nonLocalReturn(Binding binding, |
---|
1005 | Symbol block, |
---|
1006 | LispObject result) |
---|
1007 | { |
---|
1008 | if (binding == null) |
---|
1009 | { |
---|
1010 | return error(new LispError("No block named " + block.getName() + |
---|
1011 | " is currently visible.")); |
---|
1012 | } |
---|
1013 | |
---|
1014 | if (binding.env.inactive) |
---|
1015 | return error(new ControlError("Unmatched block " |
---|
1016 | + binding.symbol.princToString() + |
---|
1017 | " for RETURN-FROM outside of" + |
---|
1018 | " lexical extent.")); |
---|
1019 | |
---|
1020 | throw new Return(binding.symbol, binding.value, result); |
---|
1021 | } |
---|
1022 | |
---|
1023 | public static final LispObject processTagBody(LispObject body, |
---|
1024 | LispObject localTags, |
---|
1025 | Environment env) |
---|
1026 | |
---|
1027 | { |
---|
1028 | LispObject remaining = body; |
---|
1029 | LispThread thread = LispThread.currentThread(); |
---|
1030 | while (remaining != NIL) |
---|
1031 | { |
---|
1032 | LispObject current = remaining.car(); |
---|
1033 | if (current instanceof Cons) |
---|
1034 | { |
---|
1035 | try { |
---|
1036 | // Handle GO inline if possible. |
---|
1037 | if (((Cons)current).car == Symbol.GO) |
---|
1038 | { |
---|
1039 | if (interrupted) |
---|
1040 | handleInterrupt(); |
---|
1041 | LispObject tag = current.cadr(); |
---|
1042 | Binding binding = env.getTagBinding(tag); |
---|
1043 | if (binding == null) |
---|
1044 | return error(new ControlError("No tag named " + |
---|
1045 | tag.princToString() + |
---|
1046 | " is currently visible.")); |
---|
1047 | else if (memql(tag, localTags)) |
---|
1048 | { |
---|
1049 | if (binding.value != null) |
---|
1050 | { |
---|
1051 | remaining = binding.value; |
---|
1052 | continue; |
---|
1053 | } |
---|
1054 | } |
---|
1055 | throw new Go(binding.env, tag); |
---|
1056 | } |
---|
1057 | eval(current, env, thread); |
---|
1058 | } |
---|
1059 | catch (Go go) |
---|
1060 | { |
---|
1061 | LispObject tag; |
---|
1062 | if (go.getTagBody() == env |
---|
1063 | && memql(tag = go.getTag(), localTags)) |
---|
1064 | { |
---|
1065 | Binding binding = env.getTagBinding(tag); |
---|
1066 | if (binding != null && binding.value != null) |
---|
1067 | { |
---|
1068 | remaining = binding.value; |
---|
1069 | continue; |
---|
1070 | } |
---|
1071 | } |
---|
1072 | throw go; |
---|
1073 | } |
---|
1074 | } |
---|
1075 | remaining = ((Cons)remaining).cdr; |
---|
1076 | } |
---|
1077 | thread._values = null; |
---|
1078 | return NIL; |
---|
1079 | } |
---|
1080 | |
---|
1081 | // Environment wrappers. |
---|
1082 | static final boolean isSpecial(Symbol sym, LispObject ownSpecials) |
---|
1083 | { |
---|
1084 | if (ownSpecials != null) |
---|
1085 | { |
---|
1086 | if (sym.isSpecialVariable()) |
---|
1087 | return true; |
---|
1088 | for (; ownSpecials != NIL; ownSpecials = ownSpecials.cdr()) |
---|
1089 | { |
---|
1090 | if (sym == ownSpecials.car()) |
---|
1091 | return true; |
---|
1092 | } |
---|
1093 | } |
---|
1094 | return false; |
---|
1095 | } |
---|
1096 | |
---|
1097 | public static final void bindArg(LispObject ownSpecials, |
---|
1098 | Symbol sym, LispObject value, |
---|
1099 | Environment env, LispThread thread) |
---|
1100 | |
---|
1101 | { |
---|
1102 | if (isSpecial(sym, ownSpecials)) { |
---|
1103 | env.declareSpecial(sym); |
---|
1104 | thread.bindSpecial(sym, value); |
---|
1105 | } |
---|
1106 | else |
---|
1107 | env.bind(sym, value); |
---|
1108 | } |
---|
1109 | |
---|
1110 | public static void bindArg(boolean special, Symbol sym, LispObject value, |
---|
1111 | Environment env, LispThread thread) |
---|
1112 | { |
---|
1113 | if (special) { |
---|
1114 | env.declareSpecial(sym); |
---|
1115 | thread.bindSpecial(sym, value); |
---|
1116 | } |
---|
1117 | else |
---|
1118 | env.bind(sym, value); |
---|
1119 | } |
---|
1120 | |
---|
1121 | public static LispObject list(LispObject[] obj) { |
---|
1122 | LispObject theList = NIL; |
---|
1123 | if (obj.length > 0) |
---|
1124 | for (int i = obj.length - 1; i >= 0; i--) |
---|
1125 | theList = new Cons(obj[i], theList); |
---|
1126 | return theList; |
---|
1127 | } |
---|
1128 | |
---|
1129 | public static final Cons list(LispObject obj1, LispObject... remaining) |
---|
1130 | { |
---|
1131 | Cons theList = null; |
---|
1132 | if (remaining.length > 0) { |
---|
1133 | theList = new Cons(remaining[remaining.length-1]); |
---|
1134 | for (int i = remaining.length - 2; i >= 0; i--) |
---|
1135 | theList = new Cons(remaining[i], theList); |
---|
1136 | } |
---|
1137 | return (theList == null) ? new Cons(obj1) : new Cons(obj1, theList); |
---|
1138 | } |
---|
1139 | |
---|
1140 | @Deprecated |
---|
1141 | public static final Cons list1(LispObject obj1) |
---|
1142 | { |
---|
1143 | return new Cons(obj1); |
---|
1144 | } |
---|
1145 | |
---|
1146 | @Deprecated |
---|
1147 | public static final Cons list2(LispObject obj1, LispObject obj2) |
---|
1148 | { |
---|
1149 | return new Cons(obj1, new Cons(obj2)); |
---|
1150 | } |
---|
1151 | |
---|
1152 | @Deprecated |
---|
1153 | public static final Cons list3(LispObject obj1, LispObject obj2, |
---|
1154 | LispObject obj3) |
---|
1155 | { |
---|
1156 | return new Cons(obj1, new Cons(obj2, new Cons(obj3))); |
---|
1157 | } |
---|
1158 | |
---|
1159 | @Deprecated |
---|
1160 | public static final Cons list4(LispObject obj1, LispObject obj2, |
---|
1161 | LispObject obj3, LispObject obj4) |
---|
1162 | { |
---|
1163 | return new Cons(obj1, |
---|
1164 | new Cons(obj2, |
---|
1165 | new Cons(obj3, |
---|
1166 | new Cons(obj4)))); |
---|
1167 | } |
---|
1168 | |
---|
1169 | @Deprecated |
---|
1170 | public static final Cons list5(LispObject obj1, LispObject obj2, |
---|
1171 | LispObject obj3, LispObject obj4, |
---|
1172 | LispObject obj5) |
---|
1173 | { |
---|
1174 | return new Cons(obj1, |
---|
1175 | new Cons(obj2, |
---|
1176 | new Cons(obj3, |
---|
1177 | new Cons(obj4, |
---|
1178 | new Cons(obj5))))); |
---|
1179 | } |
---|
1180 | |
---|
1181 | @Deprecated |
---|
1182 | public static final Cons list6(LispObject obj1, LispObject obj2, |
---|
1183 | LispObject obj3, LispObject obj4, |
---|
1184 | LispObject obj5, LispObject obj6) |
---|
1185 | { |
---|
1186 | return new Cons(obj1, |
---|
1187 | new Cons(obj2, |
---|
1188 | new Cons(obj3, |
---|
1189 | new Cons(obj4, |
---|
1190 | new Cons(obj5, |
---|
1191 | new Cons(obj6)))))); |
---|
1192 | } |
---|
1193 | |
---|
1194 | @Deprecated |
---|
1195 | public static final Cons list7(LispObject obj1, LispObject obj2, |
---|
1196 | LispObject obj3, LispObject obj4, |
---|
1197 | LispObject obj5, LispObject obj6, |
---|
1198 | LispObject obj7) |
---|
1199 | { |
---|
1200 | return new Cons(obj1, |
---|
1201 | new Cons(obj2, |
---|
1202 | new Cons(obj3, |
---|
1203 | new Cons(obj4, |
---|
1204 | new Cons(obj5, |
---|
1205 | new Cons(obj6, |
---|
1206 | new Cons(obj7))))))); |
---|
1207 | } |
---|
1208 | |
---|
1209 | @Deprecated |
---|
1210 | public static final Cons list8(LispObject obj1, LispObject obj2, |
---|
1211 | LispObject obj3, LispObject obj4, |
---|
1212 | LispObject obj5, LispObject obj6, |
---|
1213 | LispObject obj7, LispObject obj8) |
---|
1214 | { |
---|
1215 | return new Cons(obj1, |
---|
1216 | new Cons(obj2, |
---|
1217 | new Cons(obj3, |
---|
1218 | new Cons(obj4, |
---|
1219 | new Cons(obj5, |
---|
1220 | new Cons(obj6, |
---|
1221 | new Cons(obj7, |
---|
1222 | new Cons(obj8)))))))); |
---|
1223 | } |
---|
1224 | |
---|
1225 | @Deprecated |
---|
1226 | public static final Cons list9(LispObject obj1, LispObject obj2, |
---|
1227 | LispObject obj3, LispObject obj4, |
---|
1228 | LispObject obj5, LispObject obj6, |
---|
1229 | LispObject obj7, LispObject obj8, |
---|
1230 | LispObject obj9) |
---|
1231 | { |
---|
1232 | return new Cons(obj1, |
---|
1233 | new Cons(obj2, |
---|
1234 | new Cons(obj3, |
---|
1235 | new Cons(obj4, |
---|
1236 | new Cons(obj5, |
---|
1237 | new Cons(obj6, |
---|
1238 | new Cons(obj7, |
---|
1239 | new Cons(obj8, |
---|
1240 | new Cons(obj9))))))))); |
---|
1241 | } |
---|
1242 | |
---|
1243 | // Used by the compiler. |
---|
1244 | public static final LispObject multipleValueList(LispObject result) |
---|
1245 | |
---|
1246 | { |
---|
1247 | LispThread thread = LispThread.currentThread(); |
---|
1248 | LispObject[] values = thread._values; |
---|
1249 | if (values == null) |
---|
1250 | return new Cons(result); |
---|
1251 | thread._values = null; |
---|
1252 | LispObject list = NIL; |
---|
1253 | for (int i = values.length; i-- > 0;) |
---|
1254 | list = new Cons(values[i], list); |
---|
1255 | return list; |
---|
1256 | } |
---|
1257 | |
---|
1258 | // Used by the compiler for MULTIPLE-VALUE-CALLs with a single values form. |
---|
1259 | public static final LispObject multipleValueCall1(LispObject result, |
---|
1260 | LispObject function, |
---|
1261 | LispThread thread) |
---|
1262 | |
---|
1263 | { |
---|
1264 | LispObject[] values = thread._values; |
---|
1265 | thread._values = null; |
---|
1266 | if (values == null) |
---|
1267 | return thread.execute(coerceToFunction(function), result); |
---|
1268 | else |
---|
1269 | return funcall(coerceToFunction(function), values, thread); |
---|
1270 | } |
---|
1271 | |
---|
1272 | public static final void progvBindVars(LispObject symbols, |
---|
1273 | LispObject values, |
---|
1274 | LispThread thread) |
---|
1275 | |
---|
1276 | { |
---|
1277 | for (LispObject list = symbols; list != NIL; list = list.cdr()) |
---|
1278 | { |
---|
1279 | Symbol symbol = checkSymbol(list.car()); |
---|
1280 | LispObject value; |
---|
1281 | if (values != NIL) |
---|
1282 | { |
---|
1283 | value = values.car(); |
---|
1284 | values = values.cdr(); |
---|
1285 | } |
---|
1286 | else |
---|
1287 | { |
---|
1288 | // "If too few values are supplied, the remaining symbols are |
---|
1289 | // bound and then made to have no value." |
---|
1290 | value = null; |
---|
1291 | } |
---|
1292 | thread.bindSpecial(symbol, value); |
---|
1293 | } |
---|
1294 | } |
---|
1295 | |
---|
1296 | public static final LispInteger checkInteger(LispObject obj) { |
---|
1297 | if (obj instanceof LispInteger) |
---|
1298 | return (LispInteger) obj; |
---|
1299 | return (LispInteger) // Not reached. |
---|
1300 | type_error(obj, Symbol.INTEGER); |
---|
1301 | } |
---|
1302 | |
---|
1303 | public static final Symbol checkSymbol(LispObject obj) |
---|
1304 | { |
---|
1305 | if (obj instanceof Symbol) |
---|
1306 | return (Symbol) obj; |
---|
1307 | return (Symbol)// Not reached. |
---|
1308 | type_error(obj, Symbol.SYMBOL); |
---|
1309 | } |
---|
1310 | |
---|
1311 | public static final LispObject checkList(LispObject obj) |
---|
1312 | |
---|
1313 | { |
---|
1314 | if (obj.listp()) |
---|
1315 | return obj; |
---|
1316 | return type_error(obj, Symbol.LIST); |
---|
1317 | } |
---|
1318 | |
---|
1319 | public static final AbstractArray checkArray(LispObject obj) |
---|
1320 | |
---|
1321 | { |
---|
1322 | if (obj instanceof AbstractArray) |
---|
1323 | return (AbstractArray) obj; |
---|
1324 | return (AbstractArray)// Not reached. |
---|
1325 | type_error(obj, Symbol.ARRAY); |
---|
1326 | } |
---|
1327 | |
---|
1328 | public static final AbstractVector checkVector(LispObject obj) |
---|
1329 | |
---|
1330 | { |
---|
1331 | if (obj instanceof AbstractVector) |
---|
1332 | return (AbstractVector) obj; |
---|
1333 | return (AbstractVector)// Not reached. |
---|
1334 | type_error(obj, Symbol.VECTOR); |
---|
1335 | } |
---|
1336 | |
---|
1337 | public static final DoubleFloat checkDoubleFloat(LispObject obj) |
---|
1338 | |
---|
1339 | { |
---|
1340 | if (obj instanceof DoubleFloat) |
---|
1341 | return (DoubleFloat) obj; |
---|
1342 | return (DoubleFloat)// Not reached. |
---|
1343 | type_error(obj, Symbol.DOUBLE_FLOAT); |
---|
1344 | } |
---|
1345 | |
---|
1346 | public static final SingleFloat checkSingleFloat(LispObject obj) |
---|
1347 | |
---|
1348 | { |
---|
1349 | if (obj instanceof SingleFloat) |
---|
1350 | return (SingleFloat) obj; |
---|
1351 | return (SingleFloat)// Not reached. |
---|
1352 | type_error(obj, Symbol.SINGLE_FLOAT); |
---|
1353 | } |
---|
1354 | |
---|
1355 | public static final StackFrame checkStackFrame(LispObject obj) |
---|
1356 | |
---|
1357 | { |
---|
1358 | if (obj instanceof StackFrame) |
---|
1359 | return (StackFrame) obj; |
---|
1360 | return (StackFrame)// Not reached. |
---|
1361 | type_error(obj, Symbol.STACK_FRAME); |
---|
1362 | } |
---|
1363 | |
---|
1364 | static |
---|
1365 | { |
---|
1366 | // ### *gensym-counter* |
---|
1367 | Symbol.GENSYM_COUNTER.initializeSpecial(Fixnum.ZERO); |
---|
1368 | } |
---|
1369 | |
---|
1370 | public static final Symbol gensym(LispThread thread) |
---|
1371 | |
---|
1372 | { |
---|
1373 | return gensym("G", thread); |
---|
1374 | } |
---|
1375 | |
---|
1376 | public static final Symbol gensym(String prefix, LispThread thread) |
---|
1377 | |
---|
1378 | { |
---|
1379 | StringBuilder sb = new StringBuilder(prefix); |
---|
1380 | final Symbol gensymCounter = Symbol.GENSYM_COUNTER; |
---|
1381 | SpecialBinding binding = thread.getSpecialBinding(gensymCounter); |
---|
1382 | final LispObject oldValue; |
---|
1383 | if (binding != null) { |
---|
1384 | oldValue = binding.value; |
---|
1385 | if ((oldValue instanceof Fixnum |
---|
1386 | || oldValue instanceof Bignum) && Fixnum.ZERO.isLessThanOrEqualTo(oldValue)) { |
---|
1387 | binding.value = oldValue.incr(); |
---|
1388 | } |
---|
1389 | else { |
---|
1390 | binding.value = Fixnum.ZERO; |
---|
1391 | error(new TypeError("The value of *GENSYM-COUNTER* was not a nonnegative integer. Old value: " + |
---|
1392 | oldValue.princToString() + " New value: 0")); |
---|
1393 | } |
---|
1394 | } else { |
---|
1395 | // we're manipulating a global resource |
---|
1396 | // make sure we operate thread-safely |
---|
1397 | synchronized (gensymCounter) { |
---|
1398 | oldValue = gensymCounter.getSymbolValue(); |
---|
1399 | if ((oldValue instanceof Fixnum |
---|
1400 | || oldValue instanceof Bignum) && Fixnum.ZERO.isLessThanOrEqualTo(oldValue)) { |
---|
1401 | gensymCounter.setSymbolValue(oldValue.incr()); |
---|
1402 | } |
---|
1403 | else { |
---|
1404 | gensymCounter.setSymbolValue(Fixnum.ZERO); |
---|
1405 | error(new TypeError("The value of *GENSYM-COUNTER* was not a nonnegative integer. Old value: " + |
---|
1406 | oldValue.princToString() + " New value: 0")); |
---|
1407 | } |
---|
1408 | } |
---|
1409 | } |
---|
1410 | |
---|
1411 | // Decimal representation. |
---|
1412 | if (oldValue instanceof Fixnum) |
---|
1413 | sb.append(((Fixnum)oldValue).value); |
---|
1414 | else if (oldValue instanceof Bignum) |
---|
1415 | sb.append(((Bignum)oldValue).value.toString()); |
---|
1416 | |
---|
1417 | return new Symbol(new SimpleString(sb)); |
---|
1418 | } |
---|
1419 | |
---|
1420 | public static final String javaString(LispObject arg) |
---|
1421 | |
---|
1422 | { |
---|
1423 | if (arg instanceof AbstractString) |
---|
1424 | return arg.getStringValue(); |
---|
1425 | if (arg instanceof Symbol) |
---|
1426 | return ((Symbol)arg).getName(); |
---|
1427 | if (arg instanceof LispCharacter) |
---|
1428 | return String.valueOf(new char[] {((LispCharacter)arg).value}); |
---|
1429 | type_error(arg, list(Symbol.OR, Symbol.STRING, Symbol.SYMBOL, |
---|
1430 | Symbol.CHARACTER)); |
---|
1431 | // Not reached. |
---|
1432 | return null; |
---|
1433 | } |
---|
1434 | |
---|
1435 | public static final LispObject number(long n) |
---|
1436 | { |
---|
1437 | if (n >= Integer.MIN_VALUE && n <= Integer.MAX_VALUE) |
---|
1438 | return Fixnum.getInstance((int)n); |
---|
1439 | else |
---|
1440 | return Bignum.getInstance(n); |
---|
1441 | } |
---|
1442 | |
---|
1443 | private static final BigInteger INT_MIN = BigInteger.valueOf(Integer.MIN_VALUE); |
---|
1444 | private static final BigInteger INT_MAX = BigInteger.valueOf(Integer.MAX_VALUE); |
---|
1445 | |
---|
1446 | public static final LispObject number(BigInteger numerator, |
---|
1447 | BigInteger denominator) |
---|
1448 | |
---|
1449 | { |
---|
1450 | if (denominator.signum() == 0) { |
---|
1451 | LispObject operands = new Cons(Bignum.getInstance(numerator), |
---|
1452 | new Cons(Bignum.getInstance(denominator))); |
---|
1453 | LispObject args = new Cons(Keyword.OPERATION, |
---|
1454 | new Cons(Symbol.SLASH, |
---|
1455 | new Cons(Keyword.OPERANDS, |
---|
1456 | new Cons(operands)))); |
---|
1457 | |
---|
1458 | error(new DivisionByZero(args)); |
---|
1459 | } |
---|
1460 | if (denominator.signum() < 0) |
---|
1461 | { |
---|
1462 | numerator = numerator.negate(); |
---|
1463 | denominator = denominator.negate(); |
---|
1464 | } |
---|
1465 | BigInteger gcd = numerator.gcd(denominator); |
---|
1466 | if (!gcd.equals(BigInteger.ONE)) |
---|
1467 | { |
---|
1468 | numerator = numerator.divide(gcd); |
---|
1469 | denominator = denominator.divide(gcd); |
---|
1470 | } |
---|
1471 | if (denominator.equals(BigInteger.ONE)) |
---|
1472 | return number(numerator); |
---|
1473 | else |
---|
1474 | return new Ratio(numerator, denominator); |
---|
1475 | } |
---|
1476 | |
---|
1477 | public static final LispObject number(BigInteger n) |
---|
1478 | { |
---|
1479 | if (n.compareTo(INT_MIN) >= 0 && n.compareTo(INT_MAX) <= 0) |
---|
1480 | return Fixnum.getInstance(n.intValue()); |
---|
1481 | else |
---|
1482 | return Bignum.getInstance(n); |
---|
1483 | } |
---|
1484 | |
---|
1485 | public static final int mod(int number, int divisor) |
---|
1486 | |
---|
1487 | { |
---|
1488 | final int r; |
---|
1489 | try |
---|
1490 | { |
---|
1491 | r = number % divisor; |
---|
1492 | } |
---|
1493 | catch (ArithmeticException e) |
---|
1494 | { |
---|
1495 | error(new ArithmeticError("Division by zero.")); |
---|
1496 | // Not reached. |
---|
1497 | return 0; |
---|
1498 | } |
---|
1499 | if (r == 0) |
---|
1500 | return r; |
---|
1501 | if (divisor < 0) |
---|
1502 | { |
---|
1503 | if (number > 0) |
---|
1504 | return r + divisor; |
---|
1505 | } |
---|
1506 | else |
---|
1507 | { |
---|
1508 | if (number < 0) |
---|
1509 | return r + divisor; |
---|
1510 | } |
---|
1511 | return r; |
---|
1512 | } |
---|
1513 | |
---|
1514 | // Adapted from SBCL. |
---|
1515 | public static final int mix(long x, long y) |
---|
1516 | { |
---|
1517 | long xy = x * 3 + y; |
---|
1518 | return (int) (536870911L & (441516657L ^ xy ^ (xy >> 5))); |
---|
1519 | } |
---|
1520 | |
---|
1521 | // Used by the compiler. |
---|
1522 | public static LispObject readObjectFromString(String s) |
---|
1523 | { |
---|
1524 | return readObjectFromReader(new StringReader(s)); |
---|
1525 | } |
---|
1526 | |
---|
1527 | final static Charset UTF8CHARSET = Charset.forName("UTF-8"); |
---|
1528 | public static LispObject readObjectFromStream(InputStream s) |
---|
1529 | { |
---|
1530 | return readObjectFromReader(new InputStreamReader(s)); |
---|
1531 | } |
---|
1532 | |
---|
1533 | public static LispObject readObjectFromReader(Reader r) |
---|
1534 | { |
---|
1535 | LispThread thread = LispThread.currentThread(); |
---|
1536 | SpecialBindingsMark mark = thread.markSpecialBindings(); |
---|
1537 | try { |
---|
1538 | thread.bindSpecial(Symbol.READ_BASE, LispInteger.getInstance(10)); |
---|
1539 | thread.bindSpecial(Symbol.READ_EVAL, Symbol.T); |
---|
1540 | thread.bindSpecial(Symbol.READ_SUPPRESS, Nil.NIL); |
---|
1541 | // No need to bind read default float format: all floats are written |
---|
1542 | // with their correct exponent markers due to the fact that DUMP-FORM |
---|
1543 | // binds read-default-float-format to NIL |
---|
1544 | |
---|
1545 | // No need to bind the default read table, because the default fasl |
---|
1546 | // read table is used below |
---|
1547 | return new Stream(Symbol.SYSTEM_STREAM, r).read(true, NIL, false, |
---|
1548 | LispThread.currentThread(), |
---|
1549 | Stream.faslReadtable); |
---|
1550 | } |
---|
1551 | finally { |
---|
1552 | thread.resetSpecialBindings(mark); |
---|
1553 | } |
---|
1554 | } |
---|
1555 | |
---|
1556 | @Deprecated |
---|
1557 | public static final LispObject loadCompiledFunction(final String namestring) |
---|
1558 | { |
---|
1559 | Pathname name = (Pathname)Pathname.create(namestring); |
---|
1560 | byte[] bytes = readFunctionBytes(name); |
---|
1561 | if (bytes != null) |
---|
1562 | return loadClassBytes(bytes); |
---|
1563 | |
---|
1564 | return null; |
---|
1565 | } |
---|
1566 | |
---|
1567 | public static byte[] readFunctionBytes(final Pathname name) { |
---|
1568 | final LispThread thread = LispThread.currentThread(); |
---|
1569 | Pathname load = null; |
---|
1570 | LispObject truenameFasl = Symbol.LOAD_TRUENAME_FASL.symbolValue(thread); |
---|
1571 | LispObject truename = Symbol.LOAD_TRUENAME.symbolValue(thread); |
---|
1572 | if (truenameFasl instanceof Pathname) { |
---|
1573 | load = Pathname.mergePathnames(name, (Pathname)truenameFasl, Keyword.NEWEST); |
---|
1574 | } else if (truename instanceof Pathname) { |
---|
1575 | load = Pathname.mergePathnames(name, (Pathname)truename, Keyword.NEWEST); |
---|
1576 | } else { |
---|
1577 | if (!Symbol.PROBE_FILE.execute(name).equals(NIL)) { |
---|
1578 | load = name; |
---|
1579 | } else { |
---|
1580 | load = null; |
---|
1581 | } |
---|
1582 | } |
---|
1583 | InputStream input = null; |
---|
1584 | if (load != null) { |
---|
1585 | input = load.getInputStream(); |
---|
1586 | } else { |
---|
1587 | // Make a last-ditch attempt to load from the boot classpath XXX OSGi hack |
---|
1588 | URL url = null; |
---|
1589 | try { |
---|
1590 | url = Lisp.class.getResource(name.getNamestring()); |
---|
1591 | input = url.openStream(); |
---|
1592 | } catch (IOException e) { |
---|
1593 | System.err.println("Failed to read class bytes from boot class " + url); |
---|
1594 | error(new LispError("Failed to read class bytes from boot class " + url)); |
---|
1595 | } |
---|
1596 | } |
---|
1597 | byte[] bytes = new byte[4096]; |
---|
1598 | try { |
---|
1599 | if (input == null) { |
---|
1600 | Debug.trace("Pathname: " + name); |
---|
1601 | Debug.trace("load: " + load); |
---|
1602 | Debug.trace("LOAD_TRUENAME_FASL: " + truenameFasl); |
---|
1603 | Debug.trace("LOAD_TRUENAME: " + truename); |
---|
1604 | Debug.assertTrue(input != null); |
---|
1605 | } |
---|
1606 | |
---|
1607 | int n = 0; |
---|
1608 | java.io.ByteArrayOutputStream baos = new java.io.ByteArrayOutputStream(); |
---|
1609 | try { |
---|
1610 | while (n >= 0) { |
---|
1611 | n = input.read(bytes, 0, 4096); |
---|
1612 | if (n >= 0) { |
---|
1613 | baos.write(bytes, 0, n); |
---|
1614 | } |
---|
1615 | } |
---|
1616 | } catch (IOException e) { |
---|
1617 | Debug.trace("Failed to read bytes from " |
---|
1618 | + "'" + name.getNamestring() + "'"); |
---|
1619 | return null; |
---|
1620 | } |
---|
1621 | bytes = baos.toByteArray(); |
---|
1622 | } finally { |
---|
1623 | try { |
---|
1624 | input.close(); |
---|
1625 | } catch (IOException e) { |
---|
1626 | Debug.trace("Failed to close InputStream: " + e); |
---|
1627 | } |
---|
1628 | } |
---|
1629 | return bytes; |
---|
1630 | } |
---|
1631 | |
---|
1632 | public static final Function makeCompiledFunctionFromClass(Class<?> c) { |
---|
1633 | try { |
---|
1634 | if (c != null) { |
---|
1635 | Function obj = (Function)c.newInstance(); |
---|
1636 | return obj; |
---|
1637 | } else { |
---|
1638 | return null; |
---|
1639 | } |
---|
1640 | } |
---|
1641 | catch (InstantiationException e) {} // ### FIXME |
---|
1642 | catch (IllegalAccessException e) {} // ### FIXME |
---|
1643 | |
---|
1644 | return null; |
---|
1645 | } |
---|
1646 | |
---|
1647 | |
---|
1648 | public static final LispObject loadCompiledFunction(InputStream in, int size) |
---|
1649 | { |
---|
1650 | byte[] bytes = readFunctionBytes(in, size); |
---|
1651 | if (bytes != null) |
---|
1652 | return loadClassBytes(bytes); |
---|
1653 | else |
---|
1654 | return error(new FileError("Can't read file off stream.")); |
---|
1655 | } |
---|
1656 | |
---|
1657 | |
---|
1658 | |
---|
1659 | private static final byte[] readFunctionBytes(InputStream in, int size) |
---|
1660 | { |
---|
1661 | try |
---|
1662 | { |
---|
1663 | byte[] bytes = new byte[size]; |
---|
1664 | int bytesRemaining = size; |
---|
1665 | int bytesRead = 0; |
---|
1666 | while (bytesRemaining > 0) |
---|
1667 | { |
---|
1668 | int n = in.read(bytes, bytesRead, bytesRemaining); |
---|
1669 | if (n < 0) |
---|
1670 | break; |
---|
1671 | bytesRead += n; |
---|
1672 | bytesRemaining -= n; |
---|
1673 | } |
---|
1674 | in.close(); |
---|
1675 | if (bytesRemaining > 0) |
---|
1676 | Debug.trace("bytesRemaining = " + bytesRemaining); |
---|
1677 | |
---|
1678 | return bytes; |
---|
1679 | } |
---|
1680 | catch (IOException t) |
---|
1681 | { |
---|
1682 | Debug.trace(t); // FIXME: call error()? |
---|
1683 | } |
---|
1684 | return null; |
---|
1685 | } |
---|
1686 | |
---|
1687 | public static final Function loadClassBytes(byte[] bytes) |
---|
1688 | { |
---|
1689 | return loadClassBytes(bytes, new JavaClassLoader()); |
---|
1690 | } |
---|
1691 | |
---|
1692 | public static final Function loadClassBytes(byte[] bytes, |
---|
1693 | JavaClassLoader cl) |
---|
1694 | { |
---|
1695 | Class<?> c = cl.loadClassFromByteArray(null, bytes, 0, bytes.length); |
---|
1696 | Function obj = makeCompiledFunctionFromClass(c); |
---|
1697 | if (obj != null) { |
---|
1698 | obj.setClassBytes(bytes); |
---|
1699 | } |
---|
1700 | return obj; |
---|
1701 | } |
---|
1702 | |
---|
1703 | |
---|
1704 | public static final LispObject makeCompiledClosure(LispObject template, |
---|
1705 | ClosureBinding[] context) |
---|
1706 | |
---|
1707 | { |
---|
1708 | return ((CompiledClosure)template).dup().setContext(context); |
---|
1709 | } |
---|
1710 | |
---|
1711 | public static final String safeWriteToString(LispObject obj) |
---|
1712 | { |
---|
1713 | try { |
---|
1714 | return obj.printObject(); |
---|
1715 | } |
---|
1716 | catch (NullPointerException e) |
---|
1717 | { |
---|
1718 | Debug.trace(e); |
---|
1719 | return "null"; |
---|
1720 | } |
---|
1721 | } |
---|
1722 | |
---|
1723 | public static final boolean isValidSetfFunctionName(LispObject obj) |
---|
1724 | { |
---|
1725 | if (obj instanceof Cons) |
---|
1726 | { |
---|
1727 | Cons cons = (Cons) obj; |
---|
1728 | if (cons.car == Symbol.SETF && cons.cdr instanceof Cons) |
---|
1729 | { |
---|
1730 | Cons cdr = (Cons) cons.cdr; |
---|
1731 | return (cdr.car instanceof Symbol && cdr.cdr == NIL); |
---|
1732 | } |
---|
1733 | } |
---|
1734 | return false; |
---|
1735 | } |
---|
1736 | |
---|
1737 | public static final boolean isValidMacroFunctionName(LispObject obj) |
---|
1738 | { |
---|
1739 | if (obj instanceof Cons) |
---|
1740 | { |
---|
1741 | Cons cons = (Cons) obj; |
---|
1742 | if (cons.car == Symbol.MACRO_FUNCTION && cons.cdr instanceof Cons) |
---|
1743 | { |
---|
1744 | Cons cdr = (Cons) cons.cdr; |
---|
1745 | return (cdr.car instanceof Symbol && cdr.cdr == NIL); |
---|
1746 | } |
---|
1747 | } |
---|
1748 | return false; |
---|
1749 | } |
---|
1750 | |
---|
1751 | |
---|
1752 | public static final LispObject FUNCTION_NAME = |
---|
1753 | list(Symbol.OR, |
---|
1754 | Symbol.SYMBOL, |
---|
1755 | list(Symbol.CONS, |
---|
1756 | list(Symbol.EQL, Symbol.SETF), |
---|
1757 | list(Symbol.CONS, Symbol.SYMBOL, Symbol.NULL))); |
---|
1758 | |
---|
1759 | public static final LispObject UNSIGNED_BYTE_8 = |
---|
1760 | list(Symbol.UNSIGNED_BYTE, Fixnum.constants[8]); |
---|
1761 | |
---|
1762 | public static final LispObject UNSIGNED_BYTE_16 = |
---|
1763 | list(Symbol.UNSIGNED_BYTE, Fixnum.constants[16]); |
---|
1764 | |
---|
1765 | public static final LispObject UNSIGNED_BYTE_32 = |
---|
1766 | list(Symbol.UNSIGNED_BYTE, Fixnum.constants[32]); |
---|
1767 | |
---|
1768 | public static final LispObject UNSIGNED_BYTE_32_MAX_VALUE |
---|
1769 | = Bignum.getInstance(4294967295L); |
---|
1770 | |
---|
1771 | public static final LispObject getUpgradedArrayElementType(LispObject type) |
---|
1772 | |
---|
1773 | { |
---|
1774 | if (type instanceof Symbol) |
---|
1775 | { |
---|
1776 | if (type == Symbol.CHARACTER || type == Symbol.BASE_CHAR || |
---|
1777 | type == Symbol.STANDARD_CHAR) |
---|
1778 | return Symbol.CHARACTER; |
---|
1779 | if (type == Symbol.BIT) |
---|
1780 | return Symbol.BIT; |
---|
1781 | if (type == NIL) |
---|
1782 | return NIL; |
---|
1783 | } |
---|
1784 | if (type == BuiltInClass.CHARACTER) |
---|
1785 | return Symbol.CHARACTER; |
---|
1786 | if (type instanceof Cons) |
---|
1787 | { |
---|
1788 | if (type.equal(UNSIGNED_BYTE_8)) |
---|
1789 | return type; |
---|
1790 | if (type.equal(UNSIGNED_BYTE_16)) |
---|
1791 | return type; |
---|
1792 | if (type.equal(UNSIGNED_BYTE_32)) |
---|
1793 | return type; |
---|
1794 | LispObject car = type.car(); |
---|
1795 | if (car == Symbol.INTEGER) |
---|
1796 | { |
---|
1797 | LispObject lower = type.cadr(); |
---|
1798 | LispObject upper = type.cdr().cadr(); |
---|
1799 | // Convert to inclusive bounds. |
---|
1800 | if (lower instanceof Cons) |
---|
1801 | lower = lower.car().incr(); |
---|
1802 | if (upper instanceof Cons) |
---|
1803 | upper = upper.car().decr(); |
---|
1804 | if (lower.integerp() && upper.integerp()) |
---|
1805 | { |
---|
1806 | if (lower instanceof Fixnum && upper instanceof Fixnum) |
---|
1807 | { |
---|
1808 | int l = ((Fixnum)lower).value; |
---|
1809 | if (l >= 0) |
---|
1810 | { |
---|
1811 | int u = ((Fixnum)upper).value; |
---|
1812 | if (u <= 1) |
---|
1813 | return Symbol.BIT; |
---|
1814 | if (u <= 255) |
---|
1815 | return UNSIGNED_BYTE_8; |
---|
1816 | if (u <= 65535) |
---|
1817 | return UNSIGNED_BYTE_16; |
---|
1818 | return UNSIGNED_BYTE_32; |
---|
1819 | } |
---|
1820 | } |
---|
1821 | if (lower.isGreaterThanOrEqualTo(Fixnum.ZERO)) |
---|
1822 | { |
---|
1823 | if (lower.isLessThanOrEqualTo(UNSIGNED_BYTE_32_MAX_VALUE)) |
---|
1824 | { |
---|
1825 | if (upper.isLessThanOrEqualTo(UNSIGNED_BYTE_32_MAX_VALUE)) |
---|
1826 | return UNSIGNED_BYTE_32; |
---|
1827 | } |
---|
1828 | } |
---|
1829 | } |
---|
1830 | } |
---|
1831 | else if (car.equals(Symbol.UNSIGNED_BYTE)) |
---|
1832 | { |
---|
1833 | LispObject bits = type.cadr(); |
---|
1834 | if (!(bits instanceof Fixnum)) { |
---|
1835 | simple_error("bad size specified for UNSIGNED-BYTE type specifier: ~a", bits); |
---|
1836 | } |
---|
1837 | int b = ((Fixnum)bits).value; |
---|
1838 | if (0 == b) { |
---|
1839 | simple_error("bad size specified for UNSIGNED-BYTE type specifier: ~a", bits); |
---|
1840 | } else if (1 == b) { |
---|
1841 | return Symbol.BIT; |
---|
1842 | } else if (1 <= b && b <= 8) { |
---|
1843 | return UNSIGNED_BYTE_8; |
---|
1844 | } else if (9 <= b && b <= 16) { |
---|
1845 | return UNSIGNED_BYTE_16; |
---|
1846 | } else if (17 <= b && b <= 32) { |
---|
1847 | return UNSIGNED_BYTE_32; |
---|
1848 | } else { |
---|
1849 | return T; |
---|
1850 | } |
---|
1851 | } |
---|
1852 | else if (car == Symbol.EQL) |
---|
1853 | { |
---|
1854 | LispObject obj = type.cadr(); |
---|
1855 | if (obj instanceof Fixnum) |
---|
1856 | { |
---|
1857 | int val = ((Fixnum)obj).value; |
---|
1858 | if (val >= 0) |
---|
1859 | { |
---|
1860 | if (val <= 1) |
---|
1861 | return Symbol.BIT; |
---|
1862 | if (val <= 255) |
---|
1863 | return UNSIGNED_BYTE_8; |
---|
1864 | if (val <= 65535) |
---|
1865 | return UNSIGNED_BYTE_16; |
---|
1866 | return UNSIGNED_BYTE_32; |
---|
1867 | } |
---|
1868 | } |
---|
1869 | else if (obj instanceof Bignum) |
---|
1870 | { |
---|
1871 | if (obj.isGreaterThanOrEqualTo(Fixnum.ZERO)) |
---|
1872 | { |
---|
1873 | if (obj.isLessThanOrEqualTo(UNSIGNED_BYTE_32_MAX_VALUE)) |
---|
1874 | return UNSIGNED_BYTE_32; |
---|
1875 | } |
---|
1876 | } |
---|
1877 | } |
---|
1878 | else if (car == Symbol.MEMBER) |
---|
1879 | { |
---|
1880 | LispObject rest = type.cdr(); |
---|
1881 | while (rest != NIL) |
---|
1882 | { |
---|
1883 | LispObject obj = rest.car(); |
---|
1884 | if (obj instanceof LispCharacter) |
---|
1885 | rest = rest.cdr(); |
---|
1886 | else |
---|
1887 | return T; |
---|
1888 | } |
---|
1889 | return Symbol.CHARACTER; |
---|
1890 | } |
---|
1891 | } |
---|
1892 | return T; |
---|
1893 | } |
---|
1894 | |
---|
1895 | // TODO rename to coerceToJavaChar |
---|
1896 | public static final char coerceToJavaChar(LispObject obj) { |
---|
1897 | return (char)Fixnum.getValue(obj); |
---|
1898 | } |
---|
1899 | |
---|
1900 | public static final byte coerceToJavaByte(LispObject obj) { |
---|
1901 | return (byte)Fixnum.getValue(obj); |
---|
1902 | } |
---|
1903 | |
---|
1904 | public static final int coerceToJavaUnsignedInt(LispObject obj) { |
---|
1905 | return (int) (obj.longValue() & 0xffffffffL); |
---|
1906 | } |
---|
1907 | |
---|
1908 | public static final LispObject coerceFromJavaByte(byte b) { |
---|
1909 | return Fixnum.constants[((int)b) & 0xff]; |
---|
1910 | } |
---|
1911 | |
---|
1912 | public static final LispCharacter checkCharacter(LispObject obj) |
---|
1913 | |
---|
1914 | { |
---|
1915 | if (obj instanceof LispCharacter) |
---|
1916 | return (LispCharacter) obj; |
---|
1917 | return (LispCharacter) // Not reached. |
---|
1918 | type_error(obj, Symbol.CHARACTER); |
---|
1919 | } |
---|
1920 | |
---|
1921 | public static final Package checkPackage(LispObject obj) |
---|
1922 | |
---|
1923 | { |
---|
1924 | if (obj instanceof Package) |
---|
1925 | return (Package) obj; |
---|
1926 | return (Package) // Not reached. |
---|
1927 | type_error(obj, Symbol.PACKAGE); |
---|
1928 | } |
---|
1929 | |
---|
1930 | public static Pathname checkPathname(LispObject obj) |
---|
1931 | { |
---|
1932 | if (obj instanceof Pathname) |
---|
1933 | return (Pathname) obj; |
---|
1934 | return (Pathname) // Not reached. |
---|
1935 | type_error(obj, Symbol.PATHNAME); |
---|
1936 | } |
---|
1937 | |
---|
1938 | public static final Function checkFunction(LispObject obj) |
---|
1939 | |
---|
1940 | { |
---|
1941 | if (obj instanceof Function) |
---|
1942 | return (Function) obj; |
---|
1943 | return (Function) // Not reached. |
---|
1944 | type_error(obj, Symbol.FUNCTION); |
---|
1945 | } |
---|
1946 | |
---|
1947 | public static final Stream checkStream(LispObject obj) |
---|
1948 | |
---|
1949 | { |
---|
1950 | if (obj instanceof Stream) { |
---|
1951 | return (Stream) obj; |
---|
1952 | } |
---|
1953 | if (Symbol.STREAMP.getSymbolFunction().execute(obj).getBooleanValue()) { |
---|
1954 | return GrayStream.findOrCreate(obj); |
---|
1955 | } |
---|
1956 | return (Stream) // Not reached. |
---|
1957 | type_error(obj, Symbol.STREAM); |
---|
1958 | } |
---|
1959 | |
---|
1960 | public static final Stream checkCharacterInputStream(LispObject obj) |
---|
1961 | |
---|
1962 | { |
---|
1963 | final Stream stream = checkStream(obj); |
---|
1964 | if (stream.isCharacterInputStream()) |
---|
1965 | return stream; |
---|
1966 | return (Stream) // Not reached. |
---|
1967 | error(new TypeError("The value " + obj.princToString() + |
---|
1968 | " is not a character input stream.")); |
---|
1969 | } |
---|
1970 | |
---|
1971 | public static final Stream checkCharacterOutputStream(LispObject obj) |
---|
1972 | |
---|
1973 | { |
---|
1974 | final Stream stream = checkStream(obj); |
---|
1975 | if (stream.isCharacterOutputStream()) |
---|
1976 | return stream; |
---|
1977 | return (Stream) // Not reached. |
---|
1978 | error(new TypeError("The value " + obj.princToString() + |
---|
1979 | " is not a character output stream.")); |
---|
1980 | } |
---|
1981 | |
---|
1982 | public static final Stream checkBinaryInputStream(LispObject obj) |
---|
1983 | |
---|
1984 | { |
---|
1985 | final Stream stream = checkStream(obj); |
---|
1986 | if (stream.isBinaryInputStream()) |
---|
1987 | return stream; |
---|
1988 | return (Stream) // Not reached. |
---|
1989 | error(new TypeError("The value " + obj.princToString() + |
---|
1990 | " is not a binary input stream.")); |
---|
1991 | } |
---|
1992 | |
---|
1993 | public static final Stream outSynonymOf(LispObject obj) |
---|
1994 | |
---|
1995 | { |
---|
1996 | if (obj instanceof Stream) |
---|
1997 | return (Stream) obj; |
---|
1998 | if (obj instanceof StandardObject) |
---|
1999 | return checkStream(obj); |
---|
2000 | if (obj == T) |
---|
2001 | return checkCharacterOutputStream(Symbol.TERMINAL_IO.symbolValue()); |
---|
2002 | if (obj == NIL) |
---|
2003 | return checkCharacterOutputStream(Symbol.STANDARD_OUTPUT.symbolValue()); |
---|
2004 | return (Stream) // Not reached. |
---|
2005 | type_error(obj, Symbol.STREAM); |
---|
2006 | } |
---|
2007 | |
---|
2008 | public static final Stream inSynonymOf(LispObject obj) |
---|
2009 | |
---|
2010 | { |
---|
2011 | if (obj instanceof Stream) |
---|
2012 | return (Stream) obj; |
---|
2013 | if (obj instanceof StandardObject) |
---|
2014 | return checkStream(obj); |
---|
2015 | if (obj == T) |
---|
2016 | return checkCharacterInputStream(Symbol.TERMINAL_IO.symbolValue()); |
---|
2017 | if (obj == NIL) |
---|
2018 | return checkCharacterInputStream(Symbol.STANDARD_INPUT.symbolValue()); |
---|
2019 | return (Stream) // Not reached. |
---|
2020 | type_error(obj, Symbol.STREAM); |
---|
2021 | } |
---|
2022 | |
---|
2023 | public static final void writeByte(int n, LispObject obj) |
---|
2024 | |
---|
2025 | { |
---|
2026 | if (n < 0 || n > 255) |
---|
2027 | type_error(Fixnum.getInstance(n), UNSIGNED_BYTE_8); |
---|
2028 | checkStream(obj)._writeByte(n); |
---|
2029 | } |
---|
2030 | |
---|
2031 | public static final Readtable checkReadtable(LispObject obj) |
---|
2032 | |
---|
2033 | { |
---|
2034 | if (obj instanceof Readtable) |
---|
2035 | return (Readtable) obj; |
---|
2036 | return (Readtable)// Not reached. |
---|
2037 | type_error(obj, Symbol.READTABLE); |
---|
2038 | } |
---|
2039 | |
---|
2040 | public final static AbstractString checkString(LispObject obj) |
---|
2041 | |
---|
2042 | { |
---|
2043 | if (obj instanceof AbstractString) |
---|
2044 | return (AbstractString) obj; |
---|
2045 | return (AbstractString)// Not reached. |
---|
2046 | type_error(obj, Symbol.STRING); |
---|
2047 | } |
---|
2048 | |
---|
2049 | public final static Layout checkLayout(LispObject obj) |
---|
2050 | |
---|
2051 | { |
---|
2052 | if (obj instanceof Layout) |
---|
2053 | return (Layout) obj; |
---|
2054 | return (Layout)// Not reached. |
---|
2055 | type_error(obj, Symbol.LAYOUT); |
---|
2056 | } |
---|
2057 | |
---|
2058 | public static final Readtable designator_readtable(LispObject obj) |
---|
2059 | |
---|
2060 | { |
---|
2061 | if (obj == NIL) |
---|
2062 | obj = STANDARD_READTABLE.symbolValue(); |
---|
2063 | if (obj == null) |
---|
2064 | throw new NullPointerException(); |
---|
2065 | return checkReadtable(obj); |
---|
2066 | } |
---|
2067 | |
---|
2068 | public static final Environment checkEnvironment(LispObject obj) |
---|
2069 | |
---|
2070 | { |
---|
2071 | if (obj instanceof Environment) |
---|
2072 | return (Environment) obj; |
---|
2073 | return (Environment)// Not reached. |
---|
2074 | type_error(obj, Symbol.ENVIRONMENT); |
---|
2075 | } |
---|
2076 | |
---|
2077 | public static final void checkBounds(int start, int end, int length) |
---|
2078 | |
---|
2079 | { |
---|
2080 | if (start < 0 || end < 0 || start > end || end > length) |
---|
2081 | { |
---|
2082 | StringBuilder sb = new StringBuilder("The bounding indices "); |
---|
2083 | sb.append(start); |
---|
2084 | sb.append(" and "); |
---|
2085 | sb.append(end); |
---|
2086 | sb.append(" are bad for a sequence of length "); |
---|
2087 | sb.append(length); |
---|
2088 | sb.append('.'); |
---|
2089 | error(new TypeError(sb.toString())); |
---|
2090 | } |
---|
2091 | } |
---|
2092 | |
---|
2093 | public static final LispObject coerceToFunction(LispObject obj) |
---|
2094 | |
---|
2095 | { |
---|
2096 | if (obj instanceof Function) |
---|
2097 | return obj; |
---|
2098 | if (obj instanceof FuncallableStandardObject) |
---|
2099 | return obj; |
---|
2100 | if (obj instanceof Symbol) |
---|
2101 | { |
---|
2102 | LispObject fun = obj.getSymbolFunction(); |
---|
2103 | if (fun instanceof Function) |
---|
2104 | return (Function) fun; |
---|
2105 | if (fun instanceof FuncallableStandardObject) |
---|
2106 | return fun; |
---|
2107 | } |
---|
2108 | else if (obj instanceof Cons && obj.car() == Symbol.LAMBDA) |
---|
2109 | return new Closure(obj, new Environment()); |
---|
2110 | if (obj instanceof Cons && obj.car() == Symbol.NAMED_LAMBDA) { |
---|
2111 | LispObject name = obj.cadr(); |
---|
2112 | if (name instanceof Symbol || isValidSetfFunctionName(name)) { |
---|
2113 | return new Closure(name, |
---|
2114 | new Cons(Symbol.LAMBDA, obj.cddr()), |
---|
2115 | new Environment()); |
---|
2116 | } |
---|
2117 | return type_error(name, FUNCTION_NAME); |
---|
2118 | } |
---|
2119 | error(new UndefinedFunction(obj)); |
---|
2120 | // Not reached. |
---|
2121 | return null; |
---|
2122 | } |
---|
2123 | |
---|
2124 | // Returns package or throws exception. |
---|
2125 | public static final Package coerceToPackage(LispObject obj) |
---|
2126 | |
---|
2127 | { |
---|
2128 | if (obj instanceof Package) |
---|
2129 | return (Package) obj; |
---|
2130 | String name = javaString(obj); |
---|
2131 | Package pkg = getCurrentPackage().findPackage(name); |
---|
2132 | if (pkg != null) |
---|
2133 | return pkg; |
---|
2134 | error(new PackageError(obj.princToString() + " is not the name of a package.", obj)); |
---|
2135 | // Not reached. |
---|
2136 | return null; |
---|
2137 | } |
---|
2138 | |
---|
2139 | public static Pathname coerceToPathname(LispObject arg) |
---|
2140 | |
---|
2141 | { |
---|
2142 | if (arg instanceof Pathname) |
---|
2143 | return (Pathname) arg; |
---|
2144 | if (arg instanceof AbstractString) |
---|
2145 | return (Pathname)Pathname.create(((AbstractString)arg).toString()); |
---|
2146 | Stream s = checkStream(arg); |
---|
2147 | Pathname p = s.getPathname(); |
---|
2148 | if (p != null) |
---|
2149 | return p; |
---|
2150 | type_error(arg, list(Symbol.OR, |
---|
2151 | Symbol.STRING, |
---|
2152 | Symbol.PATHNAME, Symbol.JAR_PATHNAME, Symbol.URL_PATHNAME, |
---|
2153 | Symbol.FILE_STREAM, Symbol.JAR_STREAM, Symbol.URL_STREAM)); |
---|
2154 | // Not reached. |
---|
2155 | return null; |
---|
2156 | } |
---|
2157 | |
---|
2158 | public static LispObject assq(LispObject item, LispObject alist) |
---|
2159 | |
---|
2160 | { |
---|
2161 | while (alist instanceof Cons) |
---|
2162 | { |
---|
2163 | LispObject entry = ((Cons)alist).car; |
---|
2164 | if (entry instanceof Cons) |
---|
2165 | { |
---|
2166 | if (((Cons)entry).car == item) |
---|
2167 | return entry; |
---|
2168 | } |
---|
2169 | else if (entry != NIL) |
---|
2170 | return type_error(entry, Symbol.LIST); |
---|
2171 | alist = ((Cons)alist).cdr; |
---|
2172 | } |
---|
2173 | if (alist != NIL) |
---|
2174 | return type_error(alist, Symbol.LIST); |
---|
2175 | return NIL; |
---|
2176 | } |
---|
2177 | |
---|
2178 | public static final boolean memq(LispObject item, LispObject list) |
---|
2179 | |
---|
2180 | { |
---|
2181 | while (list instanceof Cons) |
---|
2182 | { |
---|
2183 | if (item == ((Cons)list).car) |
---|
2184 | return true; |
---|
2185 | list = ((Cons)list).cdr; |
---|
2186 | } |
---|
2187 | if (list != NIL) |
---|
2188 | type_error(list, Symbol.LIST); |
---|
2189 | return false; |
---|
2190 | } |
---|
2191 | |
---|
2192 | public static final boolean memql(LispObject item, LispObject list) |
---|
2193 | |
---|
2194 | { |
---|
2195 | while (list instanceof Cons) |
---|
2196 | { |
---|
2197 | if (item.eql(((Cons)list).car)) |
---|
2198 | return true; |
---|
2199 | list = ((Cons)list).cdr; |
---|
2200 | } |
---|
2201 | if (list != NIL) |
---|
2202 | type_error(list, Symbol.LIST); |
---|
2203 | return false; |
---|
2204 | } |
---|
2205 | |
---|
2206 | // Property lists. |
---|
2207 | public static final LispObject getf(LispObject plist, LispObject indicator, |
---|
2208 | LispObject defaultValue) |
---|
2209 | |
---|
2210 | { |
---|
2211 | LispObject list = plist; |
---|
2212 | while (list != NIL) |
---|
2213 | { |
---|
2214 | if (list.car() == indicator) |
---|
2215 | return list.cadr(); |
---|
2216 | if (list.cdr() instanceof Cons) |
---|
2217 | list = list.cddr(); |
---|
2218 | else |
---|
2219 | return error(new TypeError("Malformed property list: " + |
---|
2220 | plist.princToString())); |
---|
2221 | } |
---|
2222 | return defaultValue; |
---|
2223 | } |
---|
2224 | |
---|
2225 | public static final LispObject get(LispObject symbol, LispObject indicator) |
---|
2226 | |
---|
2227 | { |
---|
2228 | LispObject list = checkSymbol(symbol).getPropertyList(); |
---|
2229 | while (list != NIL) |
---|
2230 | { |
---|
2231 | if (list.car() == indicator) |
---|
2232 | return list.cadr(); |
---|
2233 | list = list.cddr(); |
---|
2234 | } |
---|
2235 | return NIL; |
---|
2236 | } |
---|
2237 | |
---|
2238 | public static final LispObject get(LispObject symbol, LispObject indicator, |
---|
2239 | LispObject defaultValue) |
---|
2240 | |
---|
2241 | { |
---|
2242 | LispObject list = checkSymbol(symbol).getPropertyList(); |
---|
2243 | while (list != NIL) |
---|
2244 | { |
---|
2245 | if (list.car() == indicator) |
---|
2246 | return list.cadr(); |
---|
2247 | list = list.cddr(); |
---|
2248 | } |
---|
2249 | return defaultValue; |
---|
2250 | } |
---|
2251 | |
---|
2252 | public static final LispObject put(Symbol symbol, LispObject indicator, |
---|
2253 | LispObject value) |
---|
2254 | |
---|
2255 | { |
---|
2256 | LispObject list = symbol.getPropertyList(); |
---|
2257 | while (list != NIL) |
---|
2258 | { |
---|
2259 | if (list.car() == indicator) |
---|
2260 | { |
---|
2261 | // Found it! |
---|
2262 | LispObject rest = list.cdr(); |
---|
2263 | rest.setCar(value); |
---|
2264 | return value; |
---|
2265 | } |
---|
2266 | list = list.cddr(); |
---|
2267 | } |
---|
2268 | // Not found. |
---|
2269 | symbol.setPropertyList(new Cons(indicator, |
---|
2270 | new Cons(value, |
---|
2271 | symbol.getPropertyList()))); |
---|
2272 | return value; |
---|
2273 | } |
---|
2274 | |
---|
2275 | public static final LispObject putf(LispObject plist, LispObject indicator, |
---|
2276 | LispObject value) |
---|
2277 | |
---|
2278 | { |
---|
2279 | LispObject list = plist; |
---|
2280 | while (list != NIL) |
---|
2281 | { |
---|
2282 | if (list.car() == indicator) |
---|
2283 | { |
---|
2284 | // Found it! |
---|
2285 | LispObject rest = list.cdr(); |
---|
2286 | rest.setCar(value); |
---|
2287 | return plist; |
---|
2288 | } |
---|
2289 | list = list.cddr(); |
---|
2290 | } |
---|
2291 | // Not found. |
---|
2292 | return new Cons(indicator, new Cons(value, plist)); |
---|
2293 | } |
---|
2294 | |
---|
2295 | public static final LispObject remprop(Symbol symbol, LispObject indicator) |
---|
2296 | |
---|
2297 | { |
---|
2298 | LispObject list = checkList(symbol.getPropertyList()); |
---|
2299 | LispObject prev = null; |
---|
2300 | while (list != NIL) |
---|
2301 | { |
---|
2302 | if (!(list.cdr() instanceof Cons)) |
---|
2303 | error(new ProgramError("The symbol " + symbol.princToString() + |
---|
2304 | " has an odd number of items in its property list.")); |
---|
2305 | if (list.car() == indicator) |
---|
2306 | { |
---|
2307 | // Found it! |
---|
2308 | if (prev != null) |
---|
2309 | prev.setCdr(list.cddr()); |
---|
2310 | else |
---|
2311 | symbol.setPropertyList(list.cddr()); |
---|
2312 | return T; |
---|
2313 | } |
---|
2314 | prev = list.cdr(); |
---|
2315 | list = list.cddr(); |
---|
2316 | } |
---|
2317 | // Not found. |
---|
2318 | return NIL; |
---|
2319 | } |
---|
2320 | |
---|
2321 | public static final String format(LispObject formatControl, |
---|
2322 | LispObject formatArguments) |
---|
2323 | |
---|
2324 | { |
---|
2325 | final LispThread thread = LispThread.currentThread(); |
---|
2326 | String control = formatControl.getStringValue(); |
---|
2327 | LispObject[] args = formatArguments.copyToArray(); |
---|
2328 | StringBuffer sb = new StringBuffer(); |
---|
2329 | if (control != null) |
---|
2330 | { |
---|
2331 | final int limit = control.length(); |
---|
2332 | int j = 0; |
---|
2333 | final int NEUTRAL = 0; |
---|
2334 | final int TILDE = 1; |
---|
2335 | int state = NEUTRAL; |
---|
2336 | for (int i = 0; i < limit; i++) |
---|
2337 | { |
---|
2338 | char c = control.charAt(i); |
---|
2339 | if (state == NEUTRAL) |
---|
2340 | { |
---|
2341 | if (c == '~') |
---|
2342 | state = TILDE; |
---|
2343 | else |
---|
2344 | sb.append(c); |
---|
2345 | } |
---|
2346 | else if (state == TILDE) |
---|
2347 | { |
---|
2348 | if (c == 'A' || c == 'a') |
---|
2349 | { |
---|
2350 | if (j < args.length) |
---|
2351 | { |
---|
2352 | LispObject obj = args[j++]; |
---|
2353 | final SpecialBindingsMark mark = thread.markSpecialBindings(); |
---|
2354 | thread.bindSpecial(Symbol.PRINT_ESCAPE, NIL); |
---|
2355 | thread.bindSpecial(Symbol.PRINT_READABLY, NIL); |
---|
2356 | try { |
---|
2357 | sb.append(obj.printObject()); |
---|
2358 | } |
---|
2359 | finally { |
---|
2360 | thread.resetSpecialBindings(mark); |
---|
2361 | } |
---|
2362 | } |
---|
2363 | } |
---|
2364 | else if (c == 'S' || c == 's') |
---|
2365 | { |
---|
2366 | if (j < args.length) |
---|
2367 | { |
---|
2368 | LispObject obj = args[j++]; |
---|
2369 | final SpecialBindingsMark mark = thread.markSpecialBindings(); |
---|
2370 | thread.bindSpecial(Symbol.PRINT_ESCAPE, T); |
---|
2371 | try { |
---|
2372 | sb.append(obj.printObject()); |
---|
2373 | } |
---|
2374 | finally { |
---|
2375 | thread.resetSpecialBindings(mark); |
---|
2376 | } |
---|
2377 | } |
---|
2378 | } |
---|
2379 | else if (c == 'D' || c == 'd') |
---|
2380 | { |
---|
2381 | if (j < args.length) |
---|
2382 | { |
---|
2383 | LispObject obj = args[j++]; |
---|
2384 | final SpecialBindingsMark mark = thread.markSpecialBindings(); |
---|
2385 | thread.bindSpecial(Symbol.PRINT_ESCAPE, NIL); |
---|
2386 | thread.bindSpecial(Symbol.PRINT_RADIX, NIL); |
---|
2387 | thread.bindSpecial(Symbol.PRINT_BASE, Fixnum.constants[10]); |
---|
2388 | try { |
---|
2389 | sb.append(obj.printObject()); |
---|
2390 | } |
---|
2391 | finally { |
---|
2392 | thread.resetSpecialBindings(mark); |
---|
2393 | } |
---|
2394 | } |
---|
2395 | } |
---|
2396 | else if (c == 'X' || c == 'x') |
---|
2397 | { |
---|
2398 | if (j < args.length) |
---|
2399 | { |
---|
2400 | LispObject obj = args[j++]; |
---|
2401 | final SpecialBindingsMark mark = thread.markSpecialBindings(); |
---|
2402 | thread.bindSpecial(Symbol.PRINT_ESCAPE, NIL); |
---|
2403 | thread.bindSpecial(Symbol.PRINT_RADIX, NIL); |
---|
2404 | thread.bindSpecial(Symbol.PRINT_BASE, Fixnum.constants[16]); |
---|
2405 | try { |
---|
2406 | sb.append(obj.printObject()); |
---|
2407 | } |
---|
2408 | finally { |
---|
2409 | thread.resetSpecialBindings(mark); |
---|
2410 | } |
---|
2411 | } |
---|
2412 | } |
---|
2413 | else if (c == '%') |
---|
2414 | { |
---|
2415 | sb.append('\n'); |
---|
2416 | } |
---|
2417 | state = NEUTRAL; |
---|
2418 | } |
---|
2419 | else |
---|
2420 | { |
---|
2421 | // There are no other valid states. |
---|
2422 | Debug.assertTrue(false); |
---|
2423 | } |
---|
2424 | } |
---|
2425 | } |
---|
2426 | return sb.toString(); |
---|
2427 | } |
---|
2428 | |
---|
2429 | public static final Symbol intern(String name, Package pkg) |
---|
2430 | { |
---|
2431 | return pkg.intern(name); |
---|
2432 | } |
---|
2433 | |
---|
2434 | // Used by the compiler. |
---|
2435 | public static final Symbol internInPackage(String name, String packageName) |
---|
2436 | |
---|
2437 | { |
---|
2438 | Package pkg = getCurrentPackage().findPackage(packageName); |
---|
2439 | if (pkg == null) |
---|
2440 | error(new LispError(packageName + " is not the name of a package.")); |
---|
2441 | return pkg.intern(name); |
---|
2442 | } |
---|
2443 | |
---|
2444 | public static final Symbol internKeyword(String s) |
---|
2445 | { |
---|
2446 | return PACKAGE_KEYWORD.intern(s); |
---|
2447 | } |
---|
2448 | |
---|
2449 | // The compiler's object table. |
---|
2450 | static final ConcurrentHashMap<String,LispObject> objectTable = |
---|
2451 | new ConcurrentHashMap<String,LispObject>(); |
---|
2452 | |
---|
2453 | public static LispObject recall(String key) |
---|
2454 | { |
---|
2455 | return objectTable.remove(key); |
---|
2456 | } |
---|
2457 | |
---|
2458 | public static LispObject recall(SimpleString key) |
---|
2459 | { |
---|
2460 | return objectTable.remove(key.getStringValue()); |
---|
2461 | } |
---|
2462 | |
---|
2463 | // ### remember |
---|
2464 | public static final Primitive REMEMBER = |
---|
2465 | new Primitive("remember", PACKAGE_SYS, true) |
---|
2466 | { |
---|
2467 | @Override |
---|
2468 | public LispObject execute(LispObject key, LispObject value) |
---|
2469 | |
---|
2470 | { |
---|
2471 | objectTable.put(key.getStringValue(), value); |
---|
2472 | return NIL; |
---|
2473 | } |
---|
2474 | }; |
---|
2475 | |
---|
2476 | |
---|
2477 | public static final Symbol internSpecial(String name, Package pkg, |
---|
2478 | LispObject value) |
---|
2479 | { |
---|
2480 | Symbol symbol = pkg.intern(name); |
---|
2481 | symbol.setSpecial(true); |
---|
2482 | symbol.setSymbolValue(value); |
---|
2483 | return symbol; |
---|
2484 | } |
---|
2485 | |
---|
2486 | public static final Symbol internConstant(String name, Package pkg, |
---|
2487 | LispObject value) |
---|
2488 | { |
---|
2489 | Symbol symbol = pkg.intern(name); |
---|
2490 | symbol.initializeConstant(value); |
---|
2491 | return symbol; |
---|
2492 | } |
---|
2493 | |
---|
2494 | public static final Symbol exportSpecial(String name, Package pkg, |
---|
2495 | LispObject value) |
---|
2496 | { |
---|
2497 | Symbol symbol = pkg.intern(name); |
---|
2498 | pkg.export(symbol); // FIXME Inefficient! |
---|
2499 | symbol.setSpecial(true); |
---|
2500 | symbol.setSymbolValue(value); |
---|
2501 | return symbol; |
---|
2502 | } |
---|
2503 | |
---|
2504 | public static final Symbol exportConstant(String name, Package pkg, |
---|
2505 | LispObject value) |
---|
2506 | { |
---|
2507 | Symbol symbol = pkg.intern(name); |
---|
2508 | pkg.export(symbol); // FIXME Inefficient! |
---|
2509 | symbol.initializeConstant(value); |
---|
2510 | return symbol; |
---|
2511 | } |
---|
2512 | |
---|
2513 | static |
---|
2514 | { |
---|
2515 | String userDir = System.getProperty("user.dir"); |
---|
2516 | if (userDir != null && userDir.length() > 0) |
---|
2517 | { |
---|
2518 | if (userDir.charAt(userDir.length() - 1) != File.separatorChar) |
---|
2519 | userDir = userDir.concat(File.separator); |
---|
2520 | } |
---|
2521 | // This string will be converted to a pathname when Pathname.java is loaded. |
---|
2522 | Symbol.DEFAULT_PATHNAME_DEFAULTS.initializeSpecial(new SimpleString(userDir)); |
---|
2523 | } |
---|
2524 | |
---|
2525 | static |
---|
2526 | { |
---|
2527 | Symbol._PACKAGE_.initializeSpecial(PACKAGE_CL_USER); |
---|
2528 | } |
---|
2529 | |
---|
2530 | public static final Package getCurrentPackage() |
---|
2531 | { |
---|
2532 | return (Package) Symbol._PACKAGE_.symbolValueNoThrow(); |
---|
2533 | } |
---|
2534 | |
---|
2535 | |
---|
2536 | |
---|
2537 | public static final void resetIO(Stream in, Stream out) |
---|
2538 | { |
---|
2539 | stdin = in; |
---|
2540 | stdout = out; |
---|
2541 | Symbol.STANDARD_INPUT.setSymbolValue(stdin); |
---|
2542 | Symbol.STANDARD_OUTPUT.setSymbolValue(stdout); |
---|
2543 | Symbol.ERROR_OUTPUT.setSymbolValue(stdout); |
---|
2544 | Symbol.TRACE_OUTPUT.setSymbolValue(stdout); |
---|
2545 | Symbol.TERMINAL_IO.setSymbolValue(new TwoWayStream(stdin, stdout, true)); |
---|
2546 | Symbol.QUERY_IO.setSymbolValue(new TwoWayStream(stdin, stdout, true)); |
---|
2547 | Symbol.DEBUG_IO.setSymbolValue(new TwoWayStream(stdin, stdout, true)); |
---|
2548 | } |
---|
2549 | |
---|
2550 | // Used in org/armedbear/j/JLisp.java. |
---|
2551 | public static final void resetIO() |
---|
2552 | { |
---|
2553 | resetIO(new Stream(Symbol.SYSTEM_STREAM, System.in, Symbol.CHARACTER, true), |
---|
2554 | new Stream(Symbol.SYSTEM_STREAM, System.out, Symbol.CHARACTER, true)); |
---|
2555 | } |
---|
2556 | |
---|
2557 | public static final TwoWayStream getTerminalIO() |
---|
2558 | { |
---|
2559 | return (TwoWayStream) Symbol.TERMINAL_IO.symbolValueNoThrow(); |
---|
2560 | } |
---|
2561 | |
---|
2562 | public static final Stream getStandardInput() |
---|
2563 | { |
---|
2564 | return (Stream) Symbol.STANDARD_INPUT.symbolValueNoThrow(); |
---|
2565 | } |
---|
2566 | |
---|
2567 | public static final Stream getStandardOutput() |
---|
2568 | { |
---|
2569 | LispObject value = Symbol.STANDARD_OUTPUT.symbolValue(); |
---|
2570 | value = SynonymStream.OUT_SYNONYM_OF.execute(value); |
---|
2571 | Stream result = checkStream(value); |
---|
2572 | return checkCharacterOutputStream(result); |
---|
2573 | } |
---|
2574 | |
---|
2575 | static |
---|
2576 | { |
---|
2577 | Symbol.CURRENT_READTABLE.initializeSpecial(new Readtable()); |
---|
2578 | } |
---|
2579 | |
---|
2580 | // ### +standard-readtable+ |
---|
2581 | // internal symbol |
---|
2582 | public static final Symbol STANDARD_READTABLE = |
---|
2583 | internConstant("+STANDARD-READTABLE+", PACKAGE_SYS, new Readtable()); |
---|
2584 | |
---|
2585 | public static final Readtable currentReadtable() |
---|
2586 | { |
---|
2587 | return (Readtable) Symbol.CURRENT_READTABLE.symbolValue(); |
---|
2588 | } |
---|
2589 | |
---|
2590 | static |
---|
2591 | { |
---|
2592 | Symbol.READ_SUPPRESS.initializeSpecial(NIL); |
---|
2593 | Symbol.DEBUGGER_HOOK.initializeSpecial(NIL); |
---|
2594 | } |
---|
2595 | |
---|
2596 | static |
---|
2597 | { |
---|
2598 | Symbol.MOST_POSITIVE_FIXNUM.initializeConstant(Fixnum.getInstance(Integer.MAX_VALUE)); |
---|
2599 | Symbol.MOST_NEGATIVE_FIXNUM.initializeConstant(Fixnum.getInstance(Integer.MIN_VALUE)); |
---|
2600 | Symbol.MOST_POSITIVE_JAVA_LONG.initializeConstant(Bignum.getInstance(Long.MAX_VALUE)); |
---|
2601 | Symbol.MOST_NEGATIVE_JAVA_LONG.initializeConstant(Bignum.getInstance(Long.MIN_VALUE)); |
---|
2602 | } |
---|
2603 | |
---|
2604 | public static void exit(int status) |
---|
2605 | { |
---|
2606 | Interpreter interpreter = Interpreter.getInstance(); |
---|
2607 | if (interpreter != null) |
---|
2608 | interpreter.kill(status); |
---|
2609 | } |
---|
2610 | |
---|
2611 | // ### t |
---|
2612 | public static final Symbol T = Symbol.T; |
---|
2613 | static |
---|
2614 | { |
---|
2615 | T.initializeConstant(T); |
---|
2616 | } |
---|
2617 | |
---|
2618 | static |
---|
2619 | { |
---|
2620 | Symbol.READ_EVAL.initializeSpecial(T); |
---|
2621 | } |
---|
2622 | |
---|
2623 | |
---|
2624 | // |
---|
2625 | // ### *features* |
---|
2626 | // |
---|
2627 | static |
---|
2628 | { |
---|
2629 | final String osName = System.getProperty("os.name"); |
---|
2630 | final String javaVersion = System.getProperty("java.version"); |
---|
2631 | final String osArch = System.getProperty("os.arch"); |
---|
2632 | |
---|
2633 | // Common features |
---|
2634 | LispObject featureList = list(Keyword.ARMEDBEAR, Keyword.ABCL, |
---|
2635 | Keyword.COMMON_LISP, Keyword.ANSI_CL, |
---|
2636 | Keyword.CDR6, |
---|
2637 | Keyword.MOP, |
---|
2638 | internKeyword("PACKAGE-LOCAL-NICKNAMES")); |
---|
2639 | |
---|
2640 | // add the contents of version as a keyword symbol regardless of runtime value |
---|
2641 | featureList = featureList.push(internKeyword("JVM-" + javaVersion)); |
---|
2642 | { |
---|
2643 | String platformVersion = null; |
---|
2644 | if (javaVersion.startsWith("1.")) { |
---|
2645 | // pre <https://openjdk.java.net/jeps/223> |
---|
2646 | int i = javaVersion.indexOf(".", 2); |
---|
2647 | platformVersion = javaVersion.substring(2, i); |
---|
2648 | } else { |
---|
2649 | int i = javaVersion.indexOf("."); |
---|
2650 | if (i >= 0) { |
---|
2651 | platformVersion = javaVersion.substring(0, i); |
---|
2652 | } else { |
---|
2653 | platformVersion = javaVersion; |
---|
2654 | } |
---|
2655 | } |
---|
2656 | // We wish to declare an integer Java version, but specialized |
---|
2657 | // builds can suffix further information upon the java.version |
---|
2658 | // property. |
---|
2659 | try { |
---|
2660 | Integer.parseInt(javaVersion); |
---|
2661 | } catch (NumberFormatException e) { |
---|
2662 | for (int i = 0; i < javaVersion.length(); i++) { |
---|
2663 | char c = javaVersion.charAt(i); // Unicode? |
---|
2664 | if (!Character.isDigit(c)) { |
---|
2665 | // Push the non-conforming keyword for completeness |
---|
2666 | featureList.push(internKeyword("JAVA-" + javaVersion)); |
---|
2667 | platformVersion = javaVersion.substring(0, i); |
---|
2668 | break; |
---|
2669 | } |
---|
2670 | } |
---|
2671 | } |
---|
2672 | featureList = featureList.push(internKeyword("JAVA-" + platformVersion)); |
---|
2673 | } |
---|
2674 | |
---|
2675 | { // Deprecated java version |
---|
2676 | if (javaVersion.startsWith("1.5")) { |
---|
2677 | featureList = new Cons(Keyword.JAVA_1_5, featureList); |
---|
2678 | } else if (javaVersion.startsWith("1.6")) { |
---|
2679 | featureList = new Cons(Keyword.JAVA_1_6, featureList); |
---|
2680 | } else if (javaVersion.startsWith("1.7")) { |
---|
2681 | featureList = new Cons(Keyword.JAVA_1_7, featureList); |
---|
2682 | } else if (javaVersion.startsWith("1.8")) { |
---|
2683 | featureList = new Cons(Keyword.JAVA_1_8, featureList); |
---|
2684 | } |
---|
2685 | } |
---|
2686 | |
---|
2687 | |
---|
2688 | // OS type |
---|
2689 | if (osName.startsWith("Linux")) |
---|
2690 | featureList = Primitives.APPEND.execute(list(Keyword.UNIX, |
---|
2691 | Keyword.LINUX), |
---|
2692 | featureList); |
---|
2693 | else if (osName.startsWith("SunOS")) |
---|
2694 | featureList = Primitives.APPEND.execute(list(Keyword.UNIX, |
---|
2695 | Keyword.SUNOS, |
---|
2696 | Keyword.SOLARIS), |
---|
2697 | featureList); |
---|
2698 | else if (osName.startsWith("Mac OS X") |
---|
2699 | || osName.startsWith("Darwin")) |
---|
2700 | featureList = Primitives.APPEND.execute(list(Keyword.UNIX, |
---|
2701 | Keyword.DARWIN), |
---|
2702 | featureList); |
---|
2703 | else if (osName.startsWith("FreeBSD")) |
---|
2704 | featureList = Primitives.APPEND.execute(list(Keyword.UNIX, |
---|
2705 | Keyword.FREEBSD), |
---|
2706 | featureList); |
---|
2707 | else if (osName.startsWith("OpenBSD")) |
---|
2708 | featureList = Primitives.APPEND.execute(list(Keyword.UNIX, |
---|
2709 | Keyword.OPENBSD), |
---|
2710 | featureList); |
---|
2711 | else if (osName.startsWith("NetBSD")) |
---|
2712 | featureList = Primitives.APPEND.execute(list(Keyword.UNIX, |
---|
2713 | Keyword.NETBSD), |
---|
2714 | featureList); |
---|
2715 | else if (osName.startsWith("Windows")) |
---|
2716 | featureList = new Cons(Keyword.WINDOWS, featureList); |
---|
2717 | |
---|
2718 | // Processor architecture |
---|
2719 | if (osArch != null) { |
---|
2720 | if (osArch.equals("amd64") || osArch.equals("x86_64")) { |
---|
2721 | featureList = featureList.push(Keyword.X86_64); |
---|
2722 | } else if (osArch.equals("x86") || osArch.equals("i386")) { |
---|
2723 | featureList = featureList.push(Keyword.X86); |
---|
2724 | } else { |
---|
2725 | // just push the value of 'os.arch' as a keyword |
---|
2726 | featureList = featureList.push(internKeyword(osArch.toUpperCase())); |
---|
2727 | } |
---|
2728 | } |
---|
2729 | |
---|
2730 | // Available Threading models |
---|
2731 | |
---|
2732 | if (LispThread.virtualThreadingAvailable()) { |
---|
2733 | featureList = featureList.push(internKeyword("VIRTUAL-THREADS")); |
---|
2734 | } |
---|
2735 | |
---|
2736 | Symbol.FEATURES.initializeSpecial(featureList); |
---|
2737 | } |
---|
2738 | |
---|
2739 | static |
---|
2740 | { |
---|
2741 | Symbol.MODULES.initializeSpecial(NIL); |
---|
2742 | } |
---|
2743 | |
---|
2744 | static |
---|
2745 | { |
---|
2746 | Symbol.LOAD_VERBOSE.initializeSpecial(NIL); |
---|
2747 | Symbol.LOAD_PRINT.initializeSpecial(NIL); |
---|
2748 | Symbol.LOAD_PATHNAME.initializeSpecial(NIL); |
---|
2749 | Symbol.LOAD_TRUENAME.initializeSpecial(NIL); |
---|
2750 | Symbol.LOAD_TRUENAME_FASL.initializeSpecial(NIL); |
---|
2751 | Symbol.COMPILE_VERBOSE.initializeSpecial(T); |
---|
2752 | Symbol.COMPILE_PRINT.initializeSpecial(T); |
---|
2753 | Symbol._COMPILE_FILE_PATHNAME_.initializeSpecial(NIL); |
---|
2754 | Symbol.COMPILE_FILE_TRUENAME.initializeSpecial(NIL); |
---|
2755 | } |
---|
2756 | |
---|
2757 | // ### *double-colon-package-separators* |
---|
2758 | // internal symbol |
---|
2759 | public static final Symbol DOUBLE_COLON_PACKAGE_SEPARATORS = |
---|
2760 | internSpecial("*DOUBLE-COLON-PACKAGE-SEPARATORS*", PACKAGE_SYS, NIL); |
---|
2761 | |
---|
2762 | // ### *load-depth* |
---|
2763 | // internal symbol |
---|
2764 | public static final Symbol _LOAD_DEPTH_ = |
---|
2765 | internSpecial("*LOAD-DEPTH*", PACKAGE_SYS, Fixnum.ZERO); |
---|
2766 | |
---|
2767 | // ### *load-stream* |
---|
2768 | // internal symbol |
---|
2769 | public static final Symbol _LOAD_STREAM_ = |
---|
2770 | internSpecial("*LOAD-STREAM*", PACKAGE_SYS, NIL); |
---|
2771 | |
---|
2772 | // ### *fasl-loader* |
---|
2773 | public static final Symbol _FASL_LOADER_ = |
---|
2774 | exportSpecial("*FASL-LOADER*", PACKAGE_SYS, NIL); |
---|
2775 | |
---|
2776 | // ### *source* |
---|
2777 | // internal symbol |
---|
2778 | public static final Symbol _SOURCE_ = |
---|
2779 | exportSpecial("*SOURCE*", PACKAGE_SYS, NIL); |
---|
2780 | |
---|
2781 | // ### *source-position* |
---|
2782 | // internal symbol |
---|
2783 | public static final Symbol _SOURCE_POSITION_ = |
---|
2784 | exportSpecial("*SOURCE-POSITION*", PACKAGE_SYS, NIL); |
---|
2785 | |
---|
2786 | // ### *autoload-verbose* |
---|
2787 | // internal symbol |
---|
2788 | public static final Symbol _AUTOLOAD_VERBOSE_ = |
---|
2789 | exportSpecial("*AUTOLOAD-VERBOSE*", PACKAGE_EXT, NIL); |
---|
2790 | |
---|
2791 | // ### *preloading-cache* |
---|
2792 | public static final Symbol AUTOLOADING_CACHE = |
---|
2793 | internSpecial("*AUTOLOADING-CACHE*", PACKAGE_SYS, NIL); |
---|
2794 | |
---|
2795 | // ### *compile-file-type* |
---|
2796 | public static final Symbol _COMPILE_FILE_TYPE_ = |
---|
2797 | exportSpecial("*COMPILE-FILE-TYPE*", PACKAGE_SYS, new SimpleString("abcl")); |
---|
2798 | |
---|
2799 | // ### *compile-file-class-extension* |
---|
2800 | public static final Symbol _COMPILE_FILE_CLASS_EXTENSION_ = |
---|
2801 | exportSpecial("*COMPILE-FILE-CLASS-EXTENSION*", PACKAGE_SYS, new SimpleString("cls")); |
---|
2802 | |
---|
2803 | // ### *compile-file-zip* |
---|
2804 | public static final Symbol _COMPILE_FILE_ZIP_ = |
---|
2805 | exportSpecial("*COMPILE-FILE-ZIP*", PACKAGE_SYS, T); |
---|
2806 | |
---|
2807 | static |
---|
2808 | { |
---|
2809 | Symbol.MACROEXPAND_HOOK.initializeSpecial(Symbol.FUNCALL); |
---|
2810 | } |
---|
2811 | |
---|
2812 | public static final int ARRAY_DIMENSION_MAX = Integer.MAX_VALUE; |
---|
2813 | static |
---|
2814 | { |
---|
2815 | // ### array-dimension-limit |
---|
2816 | Symbol.ARRAY_DIMENSION_LIMIT.initializeConstant(Fixnum.getInstance(ARRAY_DIMENSION_MAX)); |
---|
2817 | } |
---|
2818 | |
---|
2819 | // ### char-code-limit |
---|
2820 | // "The upper exclusive bound on the value returned by the function CHAR-CODE." |
---|
2821 | public static final int CHAR_MAX = Character.MAX_VALUE; |
---|
2822 | static |
---|
2823 | { |
---|
2824 | Symbol.CHAR_CODE_LIMIT.initializeConstant(Fixnum.getInstance(CHAR_MAX + 1)); |
---|
2825 | } |
---|
2826 | |
---|
2827 | static |
---|
2828 | { |
---|
2829 | Symbol.READ_BASE.initializeSpecial(Fixnum.constants[10]); |
---|
2830 | } |
---|
2831 | |
---|
2832 | static |
---|
2833 | { |
---|
2834 | Symbol.READ_DEFAULT_FLOAT_FORMAT.initializeSpecial(Symbol.SINGLE_FLOAT); |
---|
2835 | } |
---|
2836 | |
---|
2837 | // Printer control variables. |
---|
2838 | static |
---|
2839 | { |
---|
2840 | Symbol.PRINT_ARRAY.initializeSpecial(T); |
---|
2841 | Symbol.PRINT_BASE.initializeSpecial(Fixnum.constants[10]); |
---|
2842 | Symbol.PRINT_CASE.initializeSpecial(Keyword.UPCASE); |
---|
2843 | Symbol.PRINT_CIRCLE.initializeSpecial(NIL); |
---|
2844 | Symbol.PRINT_ESCAPE.initializeSpecial(T); |
---|
2845 | Symbol.PRINT_GENSYM.initializeSpecial(T); |
---|
2846 | Symbol.PRINT_LENGTH.initializeSpecial(NIL); |
---|
2847 | Symbol.PRINT_LEVEL.initializeSpecial(NIL); |
---|
2848 | Symbol.PRINT_LINES.initializeSpecial(NIL); |
---|
2849 | Symbol.PRINT_MISER_WIDTH.initializeSpecial(NIL); |
---|
2850 | Symbol.PRINT_PPRINT_DISPATCH.initializeSpecial(NIL); |
---|
2851 | Symbol.PRINT_PRETTY.initializeSpecial(NIL); |
---|
2852 | Symbol.PRINT_RADIX.initializeSpecial(NIL); |
---|
2853 | Symbol.PRINT_READABLY.initializeSpecial(NIL); |
---|
2854 | Symbol.PRINT_RIGHT_MARGIN.initializeSpecial(NIL); |
---|
2855 | } |
---|
2856 | |
---|
2857 | public static final Symbol _PRINT_STRUCTURE_ = |
---|
2858 | exportSpecial("*PRINT-STRUCTURE*", PACKAGE_EXT, T); |
---|
2859 | |
---|
2860 | // ### *current-print-length* |
---|
2861 | public static final Symbol _CURRENT_PRINT_LENGTH_ = |
---|
2862 | exportSpecial("*CURRENT-PRINT-LENGTH*", PACKAGE_SYS, Fixnum.ZERO); |
---|
2863 | |
---|
2864 | // ### *current-print-level* |
---|
2865 | public static final Symbol _CURRENT_PRINT_LEVEL_ = |
---|
2866 | exportSpecial("*CURRENT-PRINT-LEVEL*", PACKAGE_SYS, Fixnum.ZERO); |
---|
2867 | |
---|
2868 | public static final Symbol _PRINT_FASL_ = |
---|
2869 | internSpecial("*PRINT-FASL*", PACKAGE_SYS, NIL); |
---|
2870 | |
---|
2871 | static |
---|
2872 | { |
---|
2873 | Symbol._RANDOM_STATE_.initializeSpecial(new RandomState()); |
---|
2874 | } |
---|
2875 | |
---|
2876 | static |
---|
2877 | { |
---|
2878 | Symbol.STAR.initializeSpecial(NIL); |
---|
2879 | Symbol.STAR_STAR.initializeSpecial(NIL); |
---|
2880 | Symbol.STAR_STAR_STAR.initializeSpecial(NIL); |
---|
2881 | Symbol.MINUS.initializeSpecial(NIL); |
---|
2882 | Symbol.PLUS.initializeSpecial(NIL); |
---|
2883 | Symbol.PLUS_PLUS.initializeSpecial(NIL); |
---|
2884 | Symbol.PLUS_PLUS_PLUS.initializeSpecial(NIL); |
---|
2885 | Symbol.SLASH.initializeSpecial(NIL); |
---|
2886 | Symbol.SLASH_SLASH.initializeSpecial(NIL); |
---|
2887 | Symbol.SLASH_SLASH_SLASH.initializeSpecial(NIL); |
---|
2888 | } |
---|
2889 | |
---|
2890 | // Floating point constants. |
---|
2891 | static |
---|
2892 | { |
---|
2893 | Symbol.PI.initializeConstant(new DoubleFloat(Math.PI)); |
---|
2894 | Symbol.SHORT_FLOAT_EPSILON.initializeConstant(new SingleFloat((float)5.960465E-8)); |
---|
2895 | Symbol.SINGLE_FLOAT_EPSILON.initializeConstant(new SingleFloat((float)5.960465E-8)); |
---|
2896 | Symbol.DOUBLE_FLOAT_EPSILON.initializeConstant(new DoubleFloat((double)1.1102230246251568E-16)); |
---|
2897 | Symbol.LONG_FLOAT_EPSILON.initializeConstant(new DoubleFloat((double)1.1102230246251568E-16)); |
---|
2898 | Symbol.SHORT_FLOAT_NEGATIVE_EPSILON.initializeConstant(new SingleFloat(2.9802326e-8f)); |
---|
2899 | Symbol.SINGLE_FLOAT_NEGATIVE_EPSILON.initializeConstant(new SingleFloat(2.9802326e-8f)); |
---|
2900 | Symbol.DOUBLE_FLOAT_NEGATIVE_EPSILON.initializeConstant(new DoubleFloat((double)5.551115123125784E-17)); |
---|
2901 | Symbol.LONG_FLOAT_NEGATIVE_EPSILON.initializeConstant(new DoubleFloat((double)5.551115123125784E-17)); |
---|
2902 | Symbol.MOST_POSITIVE_SHORT_FLOAT.initializeConstant(new SingleFloat(Float.MAX_VALUE)); |
---|
2903 | Symbol.MOST_POSITIVE_SINGLE_FLOAT.initializeConstant(new SingleFloat(Float.MAX_VALUE)); |
---|
2904 | Symbol.MOST_POSITIVE_DOUBLE_FLOAT.initializeConstant(new DoubleFloat(Double.MAX_VALUE)); |
---|
2905 | Symbol.MOST_POSITIVE_LONG_FLOAT.initializeConstant(new DoubleFloat(Double.MAX_VALUE)); |
---|
2906 | Symbol.LEAST_POSITIVE_SHORT_FLOAT.initializeConstant(new SingleFloat(Float.MIN_VALUE)); |
---|
2907 | Symbol.LEAST_POSITIVE_SINGLE_FLOAT.initializeConstant(new SingleFloat(Float.MIN_VALUE)); |
---|
2908 | Symbol.LEAST_POSITIVE_DOUBLE_FLOAT.initializeConstant(new DoubleFloat(Double.MIN_VALUE)); |
---|
2909 | Symbol.LEAST_POSITIVE_LONG_FLOAT.initializeConstant(new DoubleFloat(Double.MIN_VALUE)); |
---|
2910 | Symbol.LEAST_POSITIVE_NORMALIZED_SHORT_FLOAT.initializeConstant(new SingleFloat(1.17549435e-38f)); |
---|
2911 | Symbol.LEAST_POSITIVE_NORMALIZED_SINGLE_FLOAT.initializeConstant(new SingleFloat(1.17549435e-38f)); |
---|
2912 | Symbol.LEAST_POSITIVE_NORMALIZED_DOUBLE_FLOAT.initializeConstant(new DoubleFloat(2.2250738585072014e-308d)); |
---|
2913 | Symbol.LEAST_POSITIVE_NORMALIZED_LONG_FLOAT.initializeConstant(new DoubleFloat(2.2250738585072014e-308d)); |
---|
2914 | Symbol.MOST_NEGATIVE_SHORT_FLOAT.initializeConstant(new SingleFloat(- Float.MAX_VALUE)); |
---|
2915 | Symbol.MOST_NEGATIVE_SINGLE_FLOAT.initializeConstant(new SingleFloat(- Float.MAX_VALUE)); |
---|
2916 | Symbol.MOST_NEGATIVE_DOUBLE_FLOAT.initializeConstant(new DoubleFloat(- Double.MAX_VALUE)); |
---|
2917 | Symbol.MOST_NEGATIVE_LONG_FLOAT.initializeConstant(new DoubleFloat(- Double.MAX_VALUE)); |
---|
2918 | Symbol.LEAST_NEGATIVE_SHORT_FLOAT.initializeConstant(new SingleFloat(- Float.MIN_VALUE)); |
---|
2919 | Symbol.LEAST_NEGATIVE_SINGLE_FLOAT.initializeConstant(new SingleFloat(- Float.MIN_VALUE)); |
---|
2920 | Symbol.LEAST_NEGATIVE_DOUBLE_FLOAT.initializeConstant(new DoubleFloat(- Double.MIN_VALUE)); |
---|
2921 | Symbol.LEAST_NEGATIVE_LONG_FLOAT.initializeConstant(new DoubleFloat(- Double.MIN_VALUE)); |
---|
2922 | Symbol.LEAST_NEGATIVE_NORMALIZED_SHORT_FLOAT.initializeConstant(new SingleFloat(-1.17549435e-38f)); |
---|
2923 | Symbol.LEAST_NEGATIVE_NORMALIZED_SINGLE_FLOAT.initializeConstant(new SingleFloat(-1.17549435e-38f)); |
---|
2924 | Symbol.LEAST_NEGATIVE_NORMALIZED_DOUBLE_FLOAT.initializeConstant(new DoubleFloat(-2.2250738585072014e-308d)); |
---|
2925 | Symbol.LEAST_NEGATIVE_NORMALIZED_LONG_FLOAT.initializeConstant(new DoubleFloat(-2.2250738585072014e-308d)); |
---|
2926 | } |
---|
2927 | |
---|
2928 | static |
---|
2929 | { |
---|
2930 | Symbol.BOOLE_CLR.initializeConstant(Fixnum.ZERO); |
---|
2931 | Symbol.BOOLE_SET.initializeConstant(Fixnum.ONE); |
---|
2932 | Symbol.BOOLE_1.initializeConstant(Fixnum.TWO); |
---|
2933 | Symbol.BOOLE_2.initializeConstant(Fixnum.constants[3]); |
---|
2934 | Symbol.BOOLE_C1.initializeConstant(Fixnum.constants[4]); |
---|
2935 | Symbol.BOOLE_C2.initializeConstant(Fixnum.constants[5]); |
---|
2936 | Symbol.BOOLE_AND.initializeConstant(Fixnum.constants[6]); |
---|
2937 | Symbol.BOOLE_IOR.initializeConstant(Fixnum.constants[7]); |
---|
2938 | Symbol.BOOLE_XOR.initializeConstant(Fixnum.constants[8]); |
---|
2939 | Symbol.BOOLE_EQV.initializeConstant(Fixnum.constants[9]); |
---|
2940 | Symbol.BOOLE_NAND.initializeConstant(Fixnum.constants[10]); |
---|
2941 | Symbol.BOOLE_NOR.initializeConstant(Fixnum.constants[11]); |
---|
2942 | Symbol.BOOLE_ANDC1.initializeConstant(Fixnum.constants[12]); |
---|
2943 | Symbol.BOOLE_ANDC2.initializeConstant(Fixnum.constants[13]); |
---|
2944 | Symbol.BOOLE_ORC1.initializeConstant(Fixnum.constants[14]); |
---|
2945 | Symbol.BOOLE_ORC2.initializeConstant(Fixnum.constants[15]); |
---|
2946 | } |
---|
2947 | |
---|
2948 | static |
---|
2949 | { |
---|
2950 | // ### call-arguments-limit |
---|
2951 | Symbol.CALL_ARGUMENTS_LIMIT.initializeConstant(Fixnum.getInstance(2147483647)); |
---|
2952 | } |
---|
2953 | |
---|
2954 | static |
---|
2955 | { |
---|
2956 | // ### lambda-parameters-limit |
---|
2957 | Symbol.LAMBDA_PARAMETERS_LIMIT.initializeConstant(Fixnum.getInstance(1024)); |
---|
2958 | // A conservative value, as actual limit is unknown, dependent on |
---|
2959 | // width of constants. Arguments limited by the name length of |
---|
2960 | // the arguments whose printed representation cannot execeed 65535 |
---|
2961 | // bytes. |
---|
2962 | } |
---|
2963 | |
---|
2964 | static |
---|
2965 | { |
---|
2966 | // ### multiple-values-limit |
---|
2967 | Symbol.MULTIPLE_VALUES_LIMIT.initializeConstant(Fixnum.constants[32]); |
---|
2968 | } |
---|
2969 | |
---|
2970 | static |
---|
2971 | { |
---|
2972 | // ### internal-time-units-per-second |
---|
2973 | Symbol.INTERNAL_TIME_UNITS_PER_SECOND.initializeConstant(Fixnum.getInstance(1000)); |
---|
2974 | } |
---|
2975 | |
---|
2976 | static |
---|
2977 | { |
---|
2978 | Symbol.LAMBDA_LIST_KEYWORDS |
---|
2979 | .initializeConstant(list(Symbol.AND_OPTIONAL, |
---|
2980 | Symbol.AND_REST, |
---|
2981 | Symbol.AND_KEY, |
---|
2982 | Symbol.AND_AUX, |
---|
2983 | Symbol.AND_BODY, |
---|
2984 | Symbol.AND_WHOLE, |
---|
2985 | Symbol.AND_ALLOW_OTHER_KEYS, |
---|
2986 | Symbol.AND_ENVIRONMENT)); |
---|
2987 | } |
---|
2988 | |
---|
2989 | // ### call-registers-limit |
---|
2990 | public static final Symbol CALL_REGISTERS_LIMIT = |
---|
2991 | exportConstant("CALL-REGISTERS-LIMIT", PACKAGE_SYS, |
---|
2992 | Fixnum.constants[CALL_REGISTERS_MAX]); |
---|
2993 | |
---|
2994 | // ### *warn-on-redefinition* |
---|
2995 | public static final Symbol _WARN_ON_REDEFINITION_ = |
---|
2996 | exportSpecial("*WARN-ON-REDEFINITION*", PACKAGE_EXT, T); |
---|
2997 | |
---|
2998 | // ### *saved-backtrace* |
---|
2999 | public static final Symbol _SAVED_BACKTRACE_ = |
---|
3000 | exportSpecial("*SAVED-BACKTRACE*", PACKAGE_EXT, NIL); |
---|
3001 | |
---|
3002 | // ### *command-line-argument-list* |
---|
3003 | public static final Symbol _COMMAND_LINE_ARGUMENT_LIST_ = |
---|
3004 | exportSpecial("*COMMAND-LINE-ARGUMENT-LIST*", PACKAGE_EXT, NIL); |
---|
3005 | |
---|
3006 | // ### *batch-mode* |
---|
3007 | public static final Symbol _BATCH_MODE_ = |
---|
3008 | exportSpecial("*BATCH-MODE*", PACKAGE_EXT, NIL); |
---|
3009 | |
---|
3010 | // ### *noinform* |
---|
3011 | public static final Symbol _NOINFORM_ = |
---|
3012 | exportSpecial("*NOINFORM*", PACKAGE_SYS, NIL); |
---|
3013 | |
---|
3014 | // ### *disassembler* |
---|
3015 | public static final Symbol _DISASSEMBLER_ = |
---|
3016 | exportSpecial("*DISASSEMBLER*", PACKAGE_EXT, |
---|
3017 | new SimpleString("javap -c -verbose")); // or "jad -dis -p" |
---|
3018 | |
---|
3019 | // ### *speed* compiler policy |
---|
3020 | public static final Symbol _SPEED_ = |
---|
3021 | exportSpecial("*SPEED*", PACKAGE_SYS, Fixnum.ONE); |
---|
3022 | |
---|
3023 | // ### *space* compiler policy |
---|
3024 | public static final Symbol _SPACE_ = |
---|
3025 | exportSpecial("*SPACE*", PACKAGE_SYS, Fixnum.ONE); |
---|
3026 | |
---|
3027 | // ### *safety* compiler policy |
---|
3028 | public static final Symbol _SAFETY_ = |
---|
3029 | exportSpecial("*SAFETY*", PACKAGE_SYS, Fixnum.ONE); |
---|
3030 | |
---|
3031 | // ### *debug* compiler policy |
---|
3032 | public static final Symbol _DEBUG_ = |
---|
3033 | exportSpecial("*DEBUG*", PACKAGE_SYS, Fixnum.ONE); |
---|
3034 | |
---|
3035 | // ### *explain* compiler policy |
---|
3036 | public static final Symbol _EXPLAIN_ = |
---|
3037 | exportSpecial("*EXPLAIN*", PACKAGE_SYS, NIL); |
---|
3038 | |
---|
3039 | // ### *enable-inline-expansion* |
---|
3040 | public static final Symbol _ENABLE_INLINE_EXPANSION_ = |
---|
3041 | exportSpecial("*ENABLE-INLINE-EXPANSION*", PACKAGE_EXT, T); |
---|
3042 | |
---|
3043 | // ### *require-stack-frame* |
---|
3044 | public static final Symbol _REQUIRE_STACK_FRAME_ = |
---|
3045 | exportSpecial("*REQUIRE-STACK-FRAME*", PACKAGE_EXT, NIL); |
---|
3046 | |
---|
3047 | static |
---|
3048 | { |
---|
3049 | Symbol.SUPPRESS_COMPILER_WARNINGS.initializeSpecial(NIL); |
---|
3050 | } |
---|
3051 | |
---|
3052 | public static final Symbol _COMPILE_FILE_ENVIRONMENT_ = |
---|
3053 | exportSpecial("*COMPILE-FILE-ENVIRONMENT*", PACKAGE_SYS, NIL); |
---|
3054 | |
---|
3055 | public static final LispObject UNBOUND_VALUE = new unboundValue(); |
---|
3056 | static class unboundValue extends LispObject |
---|
3057 | { |
---|
3058 | @Override |
---|
3059 | public String printObject() |
---|
3060 | { |
---|
3061 | return unreadableString("UNBOUND", false); |
---|
3062 | } |
---|
3063 | } |
---|
3064 | |
---|
3065 | public static final LispObject NULL_VALUE = new nullValue(); |
---|
3066 | static class nullValue extends LispObject |
---|
3067 | { |
---|
3068 | @Override |
---|
3069 | public String printObject() |
---|
3070 | { |
---|
3071 | return unreadableString("null", false); |
---|
3072 | } |
---|
3073 | } |
---|
3074 | |
---|
3075 | public static final Symbol _SLOT_UNBOUND_ = |
---|
3076 | exportConstant("+SLOT-UNBOUND+", PACKAGE_SYS, UNBOUND_VALUE); |
---|
3077 | |
---|
3078 | public static final Symbol _CL_PACKAGE_ = |
---|
3079 | exportConstant("+CL-PACKAGE+", PACKAGE_SYS, PACKAGE_CL); |
---|
3080 | |
---|
3081 | public static final Symbol _KEYWORD_PACKAGE_ = |
---|
3082 | exportConstant("+KEYWORD-PACKAGE+", PACKAGE_SYS, PACKAGE_KEYWORD); |
---|
3083 | |
---|
3084 | // ### *backquote-count* |
---|
3085 | public static final Symbol _BACKQUOTE_COUNT_ = |
---|
3086 | internSpecial("*BACKQUOTE-COUNT*", PACKAGE_SYS, Fixnum.ZERO); |
---|
3087 | |
---|
3088 | // ### *bq-vector-flag* |
---|
3089 | public static final Symbol _BQ_VECTOR_FLAG_ = |
---|
3090 | internSpecial("*BQ-VECTOR-FLAG*", PACKAGE_SYS, list(new Symbol("bqv"))); |
---|
3091 | |
---|
3092 | // ### *traced-names* |
---|
3093 | public static final Symbol _TRACED_NAMES_ = |
---|
3094 | exportSpecial("*TRACED-NAMES*", PACKAGE_SYS, NIL); |
---|
3095 | |
---|
3096 | // Floating point traps. |
---|
3097 | protected static boolean TRAP_OVERFLOW = true; |
---|
3098 | protected static boolean TRAP_UNDERFLOW = true; |
---|
3099 | |
---|
3100 | |
---|
3101 | // Extentions |
---|
3102 | static { |
---|
3103 | Symbol._INSPECTOR_HOOK_.initializeSpecial(NIL); |
---|
3104 | } |
---|
3105 | |
---|
3106 | private static final void loadClass(String className) |
---|
3107 | { |
---|
3108 | try |
---|
3109 | { |
---|
3110 | Class.forName(className); |
---|
3111 | } |
---|
3112 | catch (ClassNotFoundException e) |
---|
3113 | { |
---|
3114 | Debug.trace(e); |
---|
3115 | } |
---|
3116 | } |
---|
3117 | |
---|
3118 | static |
---|
3119 | { |
---|
3120 | loadClass("org.armedbear.lisp.Primitives"); |
---|
3121 | loadClass("org.armedbear.lisp.SpecialOperators"); |
---|
3122 | loadClass("org.armedbear.lisp.Extensions"); |
---|
3123 | loadClass("org.armedbear.lisp.CompiledClosure"); |
---|
3124 | loadClass("org.armedbear.lisp.Autoload"); |
---|
3125 | loadClass("org.armedbear.lisp.AutoloadMacro"); |
---|
3126 | loadClass("org.armedbear.lisp.AutoloadGeneralizedReference"); |
---|
3127 | loadClass("org.armedbear.lisp.cxr"); |
---|
3128 | loadClass("org.armedbear.lisp.Do"); |
---|
3129 | loadClass("org.armedbear.lisp.dolist"); |
---|
3130 | loadClass("org.armedbear.lisp.dotimes"); |
---|
3131 | loadClass("org.armedbear.lisp.Pathname"); |
---|
3132 | loadClass("org.armedbear.lisp.LispClass"); |
---|
3133 | loadClass("org.armedbear.lisp.BuiltInClass"); |
---|
3134 | loadClass("org.armedbear.lisp.StructureObject"); |
---|
3135 | loadClass("org.armedbear.lisp.ash"); |
---|
3136 | loadClass("org.armedbear.lisp.Java"); |
---|
3137 | loadClass("org.armedbear.lisp.PackageFunctions"); |
---|
3138 | cold = false; |
---|
3139 | } |
---|
3140 | |
---|
3141 | private static Stream stdin = new Stream(Symbol.SYSTEM_STREAM, System.in, Symbol.CHARACTER, true); |
---|
3142 | |
---|
3143 | private static Stream stdout = new Stream(Symbol.SYSTEM_STREAM,System.out, Symbol.CHARACTER, true); |
---|
3144 | |
---|
3145 | static |
---|
3146 | { |
---|
3147 | Symbol.STANDARD_INPUT.initializeSpecial(stdin); |
---|
3148 | Symbol.STANDARD_OUTPUT.initializeSpecial(stdout); |
---|
3149 | Symbol.ERROR_OUTPUT.initializeSpecial(stdout); |
---|
3150 | Symbol.TRACE_OUTPUT.initializeSpecial(stdout); |
---|
3151 | Symbol.TERMINAL_IO.initializeSpecial(new TwoWayStream(stdin, stdout, true)); |
---|
3152 | Symbol.QUERY_IO.initializeSpecial(new TwoWayStream(stdin, stdout, true)); |
---|
3153 | Symbol.DEBUG_IO.initializeSpecial(new TwoWayStream(stdin, stdout, true)); |
---|
3154 | } |
---|
3155 | |
---|
3156 | private static final SpecialOperator WITH_INLINE_CODE = new with_inline_code(); |
---|
3157 | private static class with_inline_code extends SpecialOperator { |
---|
3158 | with_inline_code() { |
---|
3159 | super("with-inline-code", PACKAGE_JVM, true, "(&optional target repr) &body body"); |
---|
3160 | } |
---|
3161 | @Override |
---|
3162 | public LispObject execute(LispObject args, Environment env) |
---|
3163 | { |
---|
3164 | 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.")); |
---|
3165 | } |
---|
3166 | } |
---|
3167 | |
---|
3168 | // A synonym for the null reference which indicates to the reader of |
---|
3169 | // the code that we have performed a non-local exit via the |
---|
3170 | // condition system before this reference is reached. |
---|
3171 | public static java.lang.Object UNREACHED = null; |
---|
3172 | |
---|
3173 | // stepping related code |
---|
3174 | public static boolean steppingTask = false; |
---|
3175 | public static boolean stepping = false; |
---|
3176 | public static boolean delimitedStepping = false; |
---|
3177 | public static Binding stepperBlock = null; |
---|
3178 | public static long stepNumber = 0; |
---|
3179 | |
---|
3180 | public static LispObject stepInSymbolP (LispObject fun, LispObject obj) { |
---|
3181 | Package stepper; |
---|
3182 | Symbol symbol; |
---|
3183 | LispThread currentThread = LispThread.currentThread(); |
---|
3184 | LispObject stepInSymbolPFunction; |
---|
3185 | LispObject result; |
---|
3186 | if (steppingTask) { |
---|
3187 | return NIL; |
---|
3188 | } |
---|
3189 | if (stepping) { |
---|
3190 | stepper = Packages.findPackageGlobally("ABCL-STEPPER"); |
---|
3191 | symbol = stepper.findAccessibleSymbol("STEP-IN-SYMBOL-P"); |
---|
3192 | stepInSymbolPFunction = coerceToFunction(symbol); |
---|
3193 | result = funcall(stepInSymbolPFunction, new LispObject[] { |
---|
3194 | fun, obj, LispObject.getInstance(delimitedStepping) |
---|
3195 | }, |
---|
3196 | currentThread); |
---|
3197 | return result; |
---|
3198 | } |
---|
3199 | return NIL; |
---|
3200 | } |
---|
3201 | |
---|
3202 | public static synchronized final void handleStepping (LispObject function, LispObject args, |
---|
3203 | Environment env, LispInteger stepCount) { |
---|
3204 | LispThread currentThread = LispThread.currentThread(); |
---|
3205 | Package stepper = Packages.findPackageGlobally("ABCL-STEPPER"); |
---|
3206 | Symbol symbolPprintFormToStep = stepper.findAccessibleSymbol("PPRINT-FORM-TO-STEP"); |
---|
3207 | Symbol symbolHandleUserInteraction = stepper.findAccessibleSymbol("HANDLE-USER-INTERACTION"); |
---|
3208 | LispObject functionPprintFormToStep = coerceToFunction(symbolPprintFormToStep); |
---|
3209 | LispObject functionHandleUserInteraction = coerceToFunction(symbolHandleUserInteraction); |
---|
3210 | if (stepperBlock == null) { |
---|
3211 | stepperBlock = env.getOuterMostBlock(); |
---|
3212 | } |
---|
3213 | if (function instanceof FuncallableStandardObject) { |
---|
3214 | function = ((FuncallableStandardObject)function).function; |
---|
3215 | } |
---|
3216 | LispObject closureName = ((Operator)function).getLambdaName(); |
---|
3217 | setSteppingOff(); |
---|
3218 | if (closureName != null ) { |
---|
3219 | funcall(functionPprintFormToStep, new LispObject[] {closureName, args, stepCount}, currentThread); |
---|
3220 | } |
---|
3221 | else { |
---|
3222 | funcall(functionPprintFormToStep, new LispObject[] {((Operator)function), args, stepCount}, currentThread); |
---|
3223 | } |
---|
3224 | setSteppingOn(); |
---|
3225 | funcall(functionHandleUserInteraction, new LispObject[]{env}, currentThread); |
---|
3226 | } |
---|
3227 | |
---|
3228 | public static final void printStepValue(long stepNumberInternal, LispObject result, LispThread thread) { |
---|
3229 | Package stepper = Packages.findPackageGlobally("ABCL-STEPPER"); |
---|
3230 | Symbol symbolPrintStepperStr = stepper.findAccessibleSymbol("PRINT-STEPPER-STR"); |
---|
3231 | LispObject functionPrintStepperStr = coerceToFunction(symbolPrintStepperStr); |
---|
3232 | LispObject[] values = thread._values; |
---|
3233 | if (values != null) { |
---|
3234 | for (int i = 0; i < values.length; i++) { |
---|
3235 | funcall(functionPrintStepperStr, |
---|
3236 | new LispObject[] { |
---|
3237 | new SimpleString("step " + stepNumberInternal + " ==> value: " + values[i].printObject()), |
---|
3238 | Symbol.T |
---|
3239 | }, |
---|
3240 | thread); |
---|
3241 | } |
---|
3242 | } |
---|
3243 | else { |
---|
3244 | funcall(functionPrintStepperStr, new LispObject[] { |
---|
3245 | new SimpleString("step " + stepNumberInternal + " ==> value: " + result.printObject()), |
---|
3246 | Symbol.T |
---|
3247 | }, |
---|
3248 | thread); |
---|
3249 | } |
---|
3250 | thread._values = values; |
---|
3251 | } |
---|
3252 | |
---|
3253 | public static final void setStepCounterCompleted (long stepNumberInternal) { |
---|
3254 | if (stepping) { |
---|
3255 | LispThread currentThread = LispThread.currentThread(); |
---|
3256 | Package stepper = Packages.findPackageGlobally("ABCL-STEPPER"); |
---|
3257 | Symbol symbolSetStepCounterCompleted = stepper.findAccessibleSymbol("SET-STEP-COUNTER-COMPLETED"); |
---|
3258 | LispObject functionSetStepCounterCompleted = coerceToFunction(symbolSetStepCounterCompleted); |
---|
3259 | LispObject[] values = currentThread._values; |
---|
3260 | funcall(functionSetStepCounterCompleted, |
---|
3261 | new LispObject[] {LispInteger.getInstance(stepNumberInternal)}, |
---|
3262 | currentThread); |
---|
3263 | currentThread._values = values; |
---|
3264 | } |
---|
3265 | } |
---|
3266 | |
---|
3267 | public static void setSteppingTaskOn () { |
---|
3268 | steppingTask = true; |
---|
3269 | } |
---|
3270 | |
---|
3271 | public static void setSteppingTaskOff () { |
---|
3272 | steppingTask = false; |
---|
3273 | } |
---|
3274 | |
---|
3275 | public static void setDelimitedSteppingOn () { |
---|
3276 | delimitedStepping = true; |
---|
3277 | } |
---|
3278 | |
---|
3279 | public static void setDelimitedSteppingOff () { |
---|
3280 | delimitedStepping = false; |
---|
3281 | } |
---|
3282 | |
---|
3283 | public static void setSteppingOn () { |
---|
3284 | stepping = true; |
---|
3285 | } |
---|
3286 | |
---|
3287 | public static void initializeStepCounter () { |
---|
3288 | stepNumber = 0; |
---|
3289 | } |
---|
3290 | |
---|
3291 | public static LispObject getStepCounter () { |
---|
3292 | return LispInteger.getInstance(stepNumber); |
---|
3293 | } |
---|
3294 | |
---|
3295 | public static void setSteppingOff () { |
---|
3296 | stepping = false; |
---|
3297 | } |
---|
3298 | |
---|
3299 | public static void initializeStepBlock () { |
---|
3300 | stepperBlock = null; |
---|
3301 | } |
---|
3302 | |
---|
3303 | // ### %set-stepping-task-on |
---|
3304 | public static final Primitive SET_STEPPING_TASK_ON = |
---|
3305 | new Primitive("%set-stepping-task-on", PACKAGE_SYS, true) |
---|
3306 | { |
---|
3307 | @Override |
---|
3308 | public LispObject execute() |
---|
3309 | |
---|
3310 | { |
---|
3311 | setSteppingTaskOn(); |
---|
3312 | return NIL; |
---|
3313 | } |
---|
3314 | }; |
---|
3315 | |
---|
3316 | // ### %set-stepping-task-off |
---|
3317 | public static final Primitive SET_STEPPING_TASK_OFF = |
---|
3318 | new Primitive("%set-stepping-task-off", PACKAGE_SYS, true) |
---|
3319 | { |
---|
3320 | @Override |
---|
3321 | public LispObject execute() |
---|
3322 | |
---|
3323 | { |
---|
3324 | setSteppingTaskOff(); |
---|
3325 | return NIL; |
---|
3326 | } |
---|
3327 | }; |
---|
3328 | |
---|
3329 | // ### %set-stepper-on |
---|
3330 | public static final Primitive SET_STEPPER_ON = |
---|
3331 | new Primitive("%set-stepper-on", PACKAGE_SYS, true) |
---|
3332 | { |
---|
3333 | @Override |
---|
3334 | public LispObject execute() |
---|
3335 | |
---|
3336 | { |
---|
3337 | setSteppingOn(); |
---|
3338 | return NIL; |
---|
3339 | } |
---|
3340 | }; |
---|
3341 | |
---|
3342 | // ### %return-from-stepper |
---|
3343 | public static final Primitive RETURN_FROM_STEPPER = |
---|
3344 | new Primitive("%return-from-stepper", PACKAGE_SYS, true) |
---|
3345 | { |
---|
3346 | @Override |
---|
3347 | public LispObject execute() |
---|
3348 | |
---|
3349 | { |
---|
3350 | throw new Return(stepperBlock.symbol, stepperBlock.value, NIL); |
---|
3351 | } |
---|
3352 | }; |
---|
3353 | |
---|
3354 | // ### %set-stepper-off |
---|
3355 | public static final Primitive SET_STEPPER_OFF = |
---|
3356 | new Primitive("%set-stepper-off", PACKAGE_SYS, true) |
---|
3357 | { |
---|
3358 | @Override |
---|
3359 | public LispObject execute() |
---|
3360 | |
---|
3361 | { |
---|
3362 | setSteppingOff(); |
---|
3363 | return NIL; |
---|
3364 | } |
---|
3365 | }; |
---|
3366 | |
---|
3367 | // ### %set-delimited-stepping-off |
---|
3368 | public static final Primitive SET_DELIMITED_STEPPING_OFF = |
---|
3369 | new Primitive("%set-delimited-stepping-off", PACKAGE_SYS, true) |
---|
3370 | { |
---|
3371 | @Override |
---|
3372 | public LispObject execute() |
---|
3373 | |
---|
3374 | { |
---|
3375 | setDelimitedSteppingOff(); |
---|
3376 | return NIL; |
---|
3377 | } |
---|
3378 | }; |
---|
3379 | |
---|
3380 | // ### %set-delimited-stepping-on |
---|
3381 | public static final Primitive SET_DELIMITED_STEPPING_ON = |
---|
3382 | new Primitive("%set-delimited-stepping-on", PACKAGE_SYS, true) |
---|
3383 | { |
---|
3384 | @Override |
---|
3385 | public LispObject execute() |
---|
3386 | |
---|
3387 | { |
---|
3388 | setDelimitedSteppingOn(); |
---|
3389 | return NIL; |
---|
3390 | } |
---|
3391 | }; |
---|
3392 | |
---|
3393 | // ### %initialize-step-counter |
---|
3394 | public static final Primitive INITIALIZE_STEP_COUNTER = |
---|
3395 | new Primitive("%initialize-step-counter", PACKAGE_SYS, true) |
---|
3396 | { |
---|
3397 | @Override |
---|
3398 | public LispObject execute() |
---|
3399 | |
---|
3400 | { |
---|
3401 | initializeStepCounter(); |
---|
3402 | return NIL; |
---|
3403 | } |
---|
3404 | }; |
---|
3405 | |
---|
3406 | // ### %get-step-counter |
---|
3407 | public static final Primitive GET_STEP_COUNTER = |
---|
3408 | new Primitive("%get-step-counter", PACKAGE_SYS, true) |
---|
3409 | { |
---|
3410 | @Override |
---|
3411 | public LispObject execute() |
---|
3412 | |
---|
3413 | { |
---|
3414 | return getStepCounter(); |
---|
3415 | } |
---|
3416 | }; |
---|
3417 | |
---|
3418 | // ### %initialize-step-block |
---|
3419 | public static final Primitive INITIALIZE_STEP_BLOCK = |
---|
3420 | new Primitive("%initialize-step-block", PACKAGE_SYS, true) |
---|
3421 | { |
---|
3422 | @Override |
---|
3423 | public LispObject execute() |
---|
3424 | |
---|
3425 | { |
---|
3426 | initializeStepBlock(); |
---|
3427 | return NIL; |
---|
3428 | } |
---|
3429 | }; |
---|
3430 | } |
---|