1 | /* |
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2 | * PackageFunctions.java |
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3 | * |
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4 | * Copyright (C) 2003-2005 Peter Graves |
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5 | * $Id: PackageFunctions.java 13999 2012-07-10 20:46:34Z rschlatte $ |
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 static org.armedbear.lisp.Lisp.*; |
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37 | |
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38 | public final class PackageFunctions |
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39 | { |
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40 | // ### packagep |
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41 | // packagep object => generalized-boolean |
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42 | private static final Primitive PACKAGEP = new Primitive("packagep", "object") |
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43 | { |
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44 | @Override |
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45 | public LispObject execute(LispObject arg) |
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46 | { |
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47 | return arg instanceof Package ? T : NIL; |
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48 | } |
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49 | }; |
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50 | |
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51 | // ### package-name |
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52 | // package-name package => nicknames |
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53 | private static final Primitive PACKAGE_NAME = |
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54 | new Primitive("package-name", "package") |
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55 | { |
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56 | @Override |
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57 | public LispObject execute(LispObject arg) |
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58 | { |
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59 | return coerceToPackage(arg).NAME(); |
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60 | } |
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61 | }; |
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62 | |
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63 | // ### package-nicknames |
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64 | // package-nicknames package => nicknames |
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65 | private static final Primitive PACKAGE_NICKNAMES = |
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66 | new Primitive("package-nicknames", "package") |
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67 | { |
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68 | @Override |
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69 | public LispObject execute(LispObject arg) |
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70 | { |
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71 | return coerceToPackage(arg).packageNicknames(); |
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72 | } |
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73 | }; |
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74 | |
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75 | // ### package-use-list |
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76 | // package-use-list package => use-list |
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77 | private static final Primitive PACKAGE_USE_LIST = |
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78 | new Primitive("package-use-list", "package") |
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79 | { |
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80 | @Override |
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81 | public LispObject execute(LispObject arg) |
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82 | { |
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83 | return coerceToPackage(arg).getUseList(); |
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84 | } |
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85 | }; |
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86 | |
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87 | // ### package-used-by-list |
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88 | // package-used-by-list package => used-by-list |
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89 | private static final Primitive PACKAGE_USED_BY_LIST = |
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90 | new Primitive("package-used-by-list", "package") |
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91 | { |
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92 | @Override |
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93 | public LispObject execute(LispObject arg) |
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94 | { |
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95 | return coerceToPackage(arg).getUsedByList(); |
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96 | } |
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97 | }; |
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98 | |
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99 | // ### %import |
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100 | // %import symbols &optional package => t |
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101 | private static final Primitive _IMPORT = |
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102 | new Primitive("%import", PACKAGE_SYS, false) |
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103 | { |
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104 | @Override |
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105 | public LispObject execute(LispObject[] args) |
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106 | { |
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107 | if (args.length == 0 || args.length > 2) |
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108 | return error(new WrongNumberOfArgumentsException(this, 1, 2)); |
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109 | LispObject symbols = args[0]; |
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110 | Package pkg = |
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111 | args.length == 2 ? coerceToPackage(args[1]) : getCurrentPackage(); |
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112 | if (symbols.listp()) { |
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113 | while (symbols != NIL) { |
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114 | pkg.importSymbol(checkSymbol(symbols.car())); |
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115 | symbols = symbols.cdr(); |
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116 | } |
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117 | } else |
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118 | pkg.importSymbol(checkSymbol(symbols)); |
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119 | return T; |
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120 | } |
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121 | }; |
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122 | |
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123 | // ### unexport |
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124 | // unexport symbols &optional package => t |
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125 | private static final Primitive UNEXPORT = |
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126 | new Primitive("unexport", "symbols &optional package") |
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127 | { |
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128 | @Override |
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129 | public LispObject execute(LispObject[] args) |
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130 | { |
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131 | if (args.length == 0 || args.length > 2) |
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132 | return error(new WrongNumberOfArgumentsException(this, 1, 2)); |
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133 | LispObject symbols = args[0]; |
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134 | Package pkg = |
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135 | args.length == 2 ? coerceToPackage(args[1]) : getCurrentPackage(); |
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136 | if (symbols.listp()) { |
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137 | while (symbols != NIL) { |
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138 | pkg.unexport(checkSymbol(symbols.car())); |
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139 | symbols = symbols.cdr(); |
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140 | } |
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141 | } else |
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142 | pkg.unexport(checkSymbol(symbols)); |
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143 | return T; |
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144 | } |
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145 | }; |
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146 | |
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147 | // ### shadow |
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148 | // shadow symbol-names &optional package => t |
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149 | private static final Primitive SHADOW = |
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150 | new Primitive("shadow", "symbol-names &optional package") |
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151 | { |
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152 | @Override |
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153 | public LispObject execute(LispObject[] args) |
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154 | { |
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155 | if (args.length == 0 || args.length > 2) |
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156 | return error(new WrongNumberOfArgumentsException(this, 1, 2)); |
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157 | LispObject symbols = args[0]; |
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158 | Package pkg = |
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159 | args.length == 2 ? coerceToPackage(args[1]) : getCurrentPackage(); |
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160 | if (symbols.listp()) { |
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161 | while (symbols != NIL) { |
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162 | pkg.shadow(javaString(symbols.car())); |
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163 | symbols = symbols.cdr(); |
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164 | } |
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165 | } else |
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166 | pkg.shadow(javaString(symbols)); |
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167 | return T; |
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168 | } |
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169 | }; |
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170 | |
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171 | // ### shadowing-import |
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172 | // shadowing-import symbols &optional package => t |
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173 | private static final Primitive SHADOWING_IMPORT = |
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174 | new Primitive("shadowing-import", "symbols &optional package") |
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175 | { |
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176 | @Override |
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177 | public LispObject execute(LispObject[] args) |
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178 | { |
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179 | if (args.length == 0 || args.length > 2) |
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180 | return error(new WrongNumberOfArgumentsException(this, 1, 2)); |
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181 | LispObject symbols = args[0]; |
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182 | Package pkg = |
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183 | args.length == 2 ? coerceToPackage(args[1]) : getCurrentPackage(); |
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184 | if (symbols.listp()) { |
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185 | while (symbols != NIL) { |
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186 | pkg.shadowingImport(checkSymbol(symbols.car())); |
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187 | symbols = symbols.cdr(); |
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188 | } |
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189 | } else |
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190 | pkg.shadowingImport(checkSymbol(symbols)); |
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191 | return T; |
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192 | } |
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193 | }; |
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194 | |
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195 | // ### package-shadowing-symbols |
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196 | // package-shadowing-symbols package => used-by-list |
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197 | private static final Primitive PACKAGE_SHADOWING_SYMBOLS = |
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198 | new Primitive("package-shadowing-symbols", "package") |
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199 | { |
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200 | @Override |
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201 | public LispObject execute(LispObject arg) |
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202 | { |
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203 | return coerceToPackage(arg).getShadowingSymbols(); |
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204 | } |
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205 | }; |
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206 | |
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207 | // ### %delete-package |
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208 | private static final Primitive _DELETE_PACKAGE = |
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209 | new Primitive("%delete-package", PACKAGE_SYS, false) |
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210 | { |
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211 | @Override |
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212 | public LispObject execute(LispObject arg) |
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213 | { |
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214 | return coerceToPackage(arg).delete() ? T : NIL; |
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215 | } |
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216 | }; |
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217 | |
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218 | // ### unuse-package |
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219 | // unuse-package packages-to-unuse &optional package => t |
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220 | private static final Primitive USE_PACKAGE = |
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221 | new Primitive("unuse-package", "packages-to-unuse &optional package") |
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222 | { |
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223 | @Override |
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224 | public LispObject execute(LispObject[] args) |
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225 | { |
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226 | if (args.length < 1 || args.length > 2) |
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227 | return error(new WrongNumberOfArgumentsException(this, 1, 2)); |
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228 | Package pkg; |
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229 | if (args.length == 2) |
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230 | pkg = coerceToPackage(args[1]); |
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231 | else |
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232 | pkg = getCurrentPackage(); |
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233 | if (args[0] instanceof Cons) { |
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234 | LispObject list = args[0]; |
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235 | while (list != NIL) { |
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236 | pkg.unusePackage(coerceToPackage(list.car())); |
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237 | list = list.cdr(); |
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238 | } |
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239 | } else |
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240 | pkg.unusePackage(coerceToPackage(args[0])); |
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241 | return T; |
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242 | } |
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243 | }; |
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244 | |
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245 | // ### rename-package |
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246 | // rename-package package new-name &optional new-nicknames => package-object |
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247 | private static final Primitive RENAME_PACKAGE = |
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248 | new Primitive("rename-package", "package new-name &optional new-nicknames") |
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249 | { |
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250 | @Override |
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251 | public LispObject execute(LispObject[] args) |
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252 | { |
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253 | if (args.length < 2 || args.length > 3) |
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254 | return error(new WrongNumberOfArgumentsException(this, 2, 3)); |
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255 | Package pkg = coerceToPackage(args[0]); |
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256 | String newName = javaString(args[1]); |
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257 | LispObject nicknames = args.length == 3 ? checkList(args[2]) : NIL; |
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258 | pkg.rename(newName, nicknames); |
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259 | return pkg; |
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260 | } |
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261 | }; |
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262 | |
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263 | private static final Primitive LIST_ALL_PACKAGES = |
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264 | new Primitive("list-all-packages", "") |
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265 | { |
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266 | @Override |
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267 | public LispObject execute() |
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268 | { |
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269 | return Packages.listAllPackages(); |
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270 | } |
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271 | }; |
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272 | |
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273 | // ### %defpackage name nicknames size shadows shadowing-imports use |
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274 | // imports interns exports doc-string => package |
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275 | private static final Primitive _DEFPACKAGE = |
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276 | new Primitive("%defpackage", PACKAGE_SYS, false) |
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277 | { |
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278 | @Override |
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279 | public LispObject execute(LispObject[] args) |
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280 | { |
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281 | if (args.length != 10) |
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282 | return error(new WrongNumberOfArgumentsException(this, 10)); |
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283 | final String packageName = args[0].getStringValue(); |
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284 | LispObject nicknames = checkList(args[1]); |
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285 | // FIXME size is ignored |
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286 | // LispObject size = args[2]; |
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287 | LispObject shadows = checkList(args[3]); |
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288 | LispObject shadowingImports = checkList(args[4]); |
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289 | LispObject use = checkList(args[5]); |
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290 | LispObject imports = checkList(args[6]); |
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291 | LispObject interns = checkList(args[7]); |
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292 | LispObject exports = checkList(args[8]); |
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293 | // FIXME docString is ignored |
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294 | // LispObject docString = args[9]; |
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295 | Package pkg = Packages.findPackage(packageName); |
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296 | if (pkg != null) |
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297 | return pkg; |
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298 | if (nicknames != NIL) { |
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299 | LispObject list = nicknames; |
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300 | while (list != NIL) { |
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301 | String nick = javaString(list.car()); |
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302 | if (Packages.findPackage(nick) != null) { |
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303 | return error(new PackageError("A package named " + nick + |
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304 | " already exists.")); |
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305 | } |
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306 | list = list.cdr(); |
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307 | } |
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308 | } |
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309 | pkg = Packages.createPackage(packageName); |
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310 | while (nicknames != NIL) { |
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311 | LispObject string = nicknames.car().STRING(); |
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312 | pkg.addNickname(string.getStringValue()); |
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313 | nicknames = nicknames.cdr(); |
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314 | } |
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315 | while (shadows != NIL) { |
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316 | String symbolName = shadows.car().getStringValue(); |
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317 | pkg.shadow(symbolName); |
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318 | shadows = shadows.cdr(); |
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319 | } |
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320 | while (shadowingImports != NIL) { |
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321 | LispObject si = shadowingImports.car(); |
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322 | Package otherPkg = coerceToPackage(si.car()); |
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323 | LispObject symbolNames = si.cdr(); |
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324 | while (symbolNames != NIL) { |
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325 | String symbolName = symbolNames.car().getStringValue(); |
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326 | Symbol sym = otherPkg.findAccessibleSymbol(symbolName); |
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327 | if (sym != null) |
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328 | pkg.shadowingImport(sym); |
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329 | else |
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330 | return error(new LispError(symbolName + |
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331 | " not found in package " + |
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332 | otherPkg.getName() + ".")); |
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333 | symbolNames = symbolNames.cdr(); |
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334 | } |
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335 | shadowingImports = shadowingImports.cdr(); |
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336 | } |
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337 | while (use != NIL) { |
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338 | LispObject obj = use.car(); |
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339 | if (obj instanceof Package) |
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340 | pkg.usePackage((Package)obj); |
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341 | else { |
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342 | LispObject string = obj.STRING(); |
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343 | Package p = Packages.findPackage(string.getStringValue()); |
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344 | if (p == null) |
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345 | return error(new LispError(obj.princToString() + |
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346 | " is not the name of a package.")); |
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347 | pkg.usePackage(p); |
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348 | } |
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349 | use = use.cdr(); |
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350 | } |
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351 | while (imports != NIL) { |
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352 | LispObject si = imports.car(); |
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353 | Package otherPkg = coerceToPackage(si.car()); |
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354 | LispObject symbolNames = si.cdr(); |
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355 | while (symbolNames != NIL) { |
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356 | String symbolName = symbolNames.car().getStringValue(); |
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357 | Symbol sym = otherPkg.findAccessibleSymbol(symbolName); |
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358 | if (sym != null) |
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359 | pkg.importSymbol(sym); |
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360 | else |
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361 | return error(new LispError(symbolName + |
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362 | " not found in package " + |
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363 | otherPkg.getName() + ".")); |
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364 | symbolNames = symbolNames.cdr(); |
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365 | } |
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366 | imports = imports.cdr(); |
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367 | } |
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368 | while (interns != NIL) { |
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369 | String symbolName = interns.car().getStringValue(); |
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370 | pkg.intern(symbolName); |
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371 | interns = interns.cdr(); |
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372 | } |
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373 | while (exports != NIL) { |
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374 | String symbolName = exports.car().getStringValue(); |
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375 | pkg.export(pkg.intern(symbolName)); |
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376 | exports = exports.cdr(); |
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377 | } |
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378 | return pkg; |
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379 | } |
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380 | }; |
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381 | } |
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