1 | ; Copyright (c) Rich Hickey. All rights reserved. |
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2 | ; The use and distribution terms for this software are covered by the |
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3 | ; Common Public License 1.0 (http://opensource.org/licenses/cpl.php) |
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4 | ; which can be found in the file CPL.TXT at the root of this distribution. |
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5 | ; By using this software in any fashion, you are agreeing to be bound by |
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6 | ; the terms of this license. |
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7 | ; You must not remove this notice, or any other, from this software. |
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8 | |
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9 | ; Ported to ABCL by asimon@math.bme.hu. |
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10 | ; Minor ABCL fixes by: |
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11 | ; A. Vodonosov (avodonosov@yandex.ru). |
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12 | ; Alex Mizrahi (alex.mizrahi@gmail.com) |
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13 | |
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14 | (defpackage :jfli |
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15 | (:use :common-lisp :java) |
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16 | (:export |
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17 | |
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18 | :enable-java-proxies |
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19 | |
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20 | ;wrapper generation |
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21 | :def-java-class |
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22 | :get-jar-classnames |
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23 | :dump-wrapper-defs-to-file |
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24 | |
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25 | ;object creation etc |
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26 | :find-java-class |
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27 | :new |
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28 | :make-new |
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29 | :make-typed-ref |
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30 | :jeq |
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31 | |
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32 | ;array support |
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33 | :make-new-array |
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34 | :jlength |
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35 | :jref |
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36 | :jref-boolean |
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37 | :jref-byte |
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38 | :jref-char |
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39 | :jref-double |
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40 | :jref-float |
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41 | :jref-int |
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42 | :jref-short |
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43 | :jref-long |
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44 | |
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45 | ;proxy support |
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46 | :new-proxy |
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47 | :unregister-proxy |
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48 | |
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49 | ;conversions |
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50 | :box-boolean |
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51 | :box-byte |
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52 | :box-char |
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53 | :box-double |
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54 | :box-float |
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55 | :box-integer |
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56 | :box-long |
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57 | :box-short |
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58 | :box-string |
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59 | :unbox-boolean |
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60 | :unbox-byte |
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61 | :unbox-char |
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62 | :unbox-double |
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63 | :unbox-float |
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64 | :unbox-integer |
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65 | :unbox-long |
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66 | :unbox-short |
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67 | :unbox-string |
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68 | |
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69 | ; :ensure-package |
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70 | ; :member-symbol |
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71 | ; :class-symbol |
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72 | ; :constructor-symbol |
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73 | |
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74 | :*null* |
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75 | :new-class |
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76 | :super |
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77 | )) |
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78 | |
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79 | (in-package :jfli) |
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80 | |
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81 | |
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82 | (eval-when (:compile-toplevel :load-toplevel :execute) |
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83 | (defun string-append (&rest strings) |
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84 | (apply #'concatenate 'string (mapcar #'(lambda (s) (if (symbolp s) (symbol-name s) s)) strings))) |
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85 | |
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86 | |
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87 | (defun intern-and-unexport (string package) |
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88 | (multiple-value-bind (symbol status) |
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89 | (find-symbol string package) |
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90 | (when (and *compile-file-pathname* (eq status :external)) (unexport symbol package)) |
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91 | (intern string package))) |
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92 | ) |
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93 | |
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94 | (defun is-assignable-from (class-1 class-2) |
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95 | (jcall (jmethod "java.lang.Class" "isAssignableFrom" "java.lang.Class") |
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96 | class-2 class-1)) ;;not a typo |
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97 | |
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98 | #+abcl_not_used |
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99 | (defun new-object-array (len element-type initial-element) |
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100 | (jnew-array-from-array element-type (make-array (list len) :initial-element initial-element))) |
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101 | |
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102 | |
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103 | (defun java-ref-p (x) |
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104 | (java-object-p x)) |
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105 | |
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106 | (deftype java-ref () |
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107 | '(satisfies java-ref-p)) |
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108 | |
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109 | (defun split-package-and-class (name) |
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110 | (let ((p (position #\. name :from-end t))) |
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111 | (unless p (error "must supply package-qualified classname")) |
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112 | (values (subseq name 0 p) |
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113 | (subseq name (1+ p))))) |
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114 | |
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115 | (defun is-name-of-primitive (s) |
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116 | (member s '("boolean" "byte" "char" "short" "int" "long" "float" "double" "void") |
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117 | :test #'string-equal)) |
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118 | |
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119 | (defun is-primitive-class (class) |
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120 | (is-name-of-primitive (jclass-name class))) |
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121 | |
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122 | (defun convert-to-java-string (s) |
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123 | (jnew (jconstructor "java.lang.String" "java.lang.String") s)) |
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124 | |
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125 | (define-symbol-macro boolean.type (jfield "java.lang.Boolean" "TYPE")) |
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126 | (define-symbol-macro byte.type (jfield "java.lang.Byte" "TYPE")) |
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127 | (define-symbol-macro character.type (jfield "java.lang.Character" "TYPE")) |
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128 | (define-symbol-macro short.type (jfield "java.lang.Short" "TYPE")) |
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129 | (define-symbol-macro integer.type (jfield "java.lang.Integer" "TYPE")) |
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130 | (define-symbol-macro long.type (jfield "java.lang.Long" "TYPE")) |
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131 | (define-symbol-macro float.type (jfield "java.lang.Float" "TYPE")) |
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132 | (define-symbol-macro double.type (jfield "java.lang.Double" "TYPE")) |
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133 | (define-symbol-macro void.type (jfield "java.lang.Void" "TYPE")) |
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134 | |
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135 | #| |
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136 | (defconstant boolean.type (jfield "java.lang.Boolean" "TYPE")) |
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137 | (defconstant byte.type (jfield "java.lang.Byte" "TYPE")) |
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138 | (defconstant character.type (jfield "java.lang.Character" "TYPE")) |
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139 | (defconstant short.type (jfield "java.lang.Short" "TYPE")) |
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140 | (defconstant integer.type (jfield "java.lang.Integer" "TYPE")) |
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141 | (defconstant long.type (jfield "java.lang.Long" "TYPE")) |
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142 | (defconstant float.type (jfield "java.lang.Float" "TYPE")) |
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143 | (defconstant double.type (jfield "java.lang.Double" "TYPE")) |
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144 | |# |
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145 | |
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146 | (defconstant *null* java:+null+) |
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147 | |
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148 | (defun identity-or-nil (obj) |
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149 | (unless (equal obj *null*) obj)) |
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150 | |
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151 | ;;;;;;;;;;;;;;;;;;;;;;;;;;; utilities ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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152 | |
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153 | (eval-when (:compile-toplevel :load-toplevel :execute) |
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154 | (defun ensure-package (name) |
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155 | "find the package or create it if it doesn't exist" |
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156 | (or (find-package name) |
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157 | (make-package name :use '()))) |
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158 | (intern "Object" (ensure-package "java.lang")) |
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159 | (intern "String" (ensure-package "java.lang"))) |
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160 | |
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161 | (defun enumeration.hasmoreelements (enum) |
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162 | (jcall (jmethod "java.util.Enumeration" "hasMoreElements") enum)) |
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163 | |
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164 | (defun enumeration.nextelement (enum) |
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165 | (jcall (jmethod "java.util.Enumeration" "nextElement") enum)) |
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166 | |
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167 | (defmacro doenum ((e enum) &body body) |
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168 | "jni-based, so not safe and not exported, but used by the implementation" |
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169 | (let ((genum (gensym))) |
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170 | `(let ((,genum ,enum)) |
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171 | (do () |
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172 | ((not (enumeration.hasmoreelements ,genum))) |
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173 | (let ((,e (enumeration.nextelement ,genum))) |
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174 | ,@body))))) |
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175 | |
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176 | ;probably insufficiently general, works as used here |
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177 | (defmacro get-or-init (place init-form) |
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178 | `(or ,place |
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179 | (setf ,place ,init-form))) |
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180 | |
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181 | |
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182 | (eval-when (:compile-toplevel) |
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183 | (intern-and-unexport "OBJECT." "java.lang")) |
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184 | |
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185 | ;create object. to bootstrap the hierarchy |
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186 | (defclass |java.lang|::object. () |
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187 | ((ref :reader ref :initarg :ref) |
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188 | (lisp-allocated :reader lisp-allocated-p :initarg :lisp-allocated :initform nil)) |
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189 | (:documentation "the superclass of all Java typed reference classes")) |
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190 | |
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191 | (defun get-ref (x) |
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192 | "any function taking an object can be passed a raw java-ref ptr or a typed reference instance. |
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193 | Will also convert strings for use as objects" |
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194 | ;; avodonosov: |
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195 | ;; typecase instead of etypecase |
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196 | ;; to allow not only jfli-wrapped objects |
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197 | ;; as a parameters of NEW-CLASS, but also native |
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198 | ;; Lisp objects too (in case of ABCL they are java |
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199 | ;; instances anyway). |
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200 | ;; For example that may be org.armedbear.lisp.Function. |
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201 | (typecase x |
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202 | (java-ref x) |
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203 | (|java.lang|::object. (ref x)) |
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204 | (string (convert-to-java-string x)) |
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205 | (null nil) |
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206 | ((or number character) x) |
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207 | ;; avodonosov: otherwise clause |
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208 | (otherwise x))) |
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209 | |
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210 | (defun is-same-object (obj1 obj2) |
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211 | (equal obj1 obj2)) |
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212 | |
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213 | (defun jeq (obj1 obj2) |
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214 | "are these 2 java objects the same object? Note that is not the same as Object.equals()" |
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215 | (is-same-object (get-ref obj1) (get-ref obj2))) |
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216 | |
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217 | |
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218 | ;;;;;;;;;;;;;;;;;;;;;;;; names and symbols ;;;;;;;;;;;;;;;;;;;;;;; |
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219 | #| |
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220 | The library does a lot with names and symbols, needing at various times to: |
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221 | - find stuff in Java - full names w/case required |
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222 | - create hopefully non-conflicting packages and member names |
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223 | |
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224 | When you (def-java-class "java.lang.String") you get a bunch of symbols/names: |
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225 | a package named '|java.lang| |
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226 | a class-symbol '|java.lang|:STRING. (note the dot and case), |
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227 | which can usually be used where a typename is required |
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228 | it also serves as the name of the Lisp typed reference class for string |
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229 | its symbol-value is the canonic-class-symbol (see below) |
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230 | a canonic-class-symbol '|java.lang|::|String| |
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231 | can be used to reconstitute the full class name |
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232 | |
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233 | I've started trying to flesh out the notion of a Java class designator, which can either be |
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234 | the full class name as a string, the class-symbol, or one of :boolean, :int etc |
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235 | |# |
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236 | |
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237 | (defun canonic-class-symbol (full-class-name) |
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238 | "(\"java.lang.Object\") -> '|java.lang|:|Object|" |
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239 | (multiple-value-bind (package class) (split-package-and-class full-class-name) |
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240 | (intern class (ensure-package package)))) |
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241 | |
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242 | (defun class-symbol (full-class-name) |
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243 | "(\"java.lang.Object\") -> '|java.lang|:object." |
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244 | (multiple-value-bind (package class) (split-package-and-class full-class-name) |
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245 | (intern (string-upcase (string-append class ".")) (ensure-package package)))) |
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246 | |
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247 | (defun unexported-class-symbol (full-class-name) |
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248 | "(\"java.lang.Object\") -> '|java.lang|::object." |
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249 | (multiple-value-bind (package class) (split-package-and-class full-class-name) |
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250 | (intern-and-unexport (string-upcase (string-append class ".")) (ensure-package package)))) |
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251 | |
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252 | (defun java-class-name (class-sym) |
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253 | "inverse of class-symbol, only valid on class-syms created by def-java-class" |
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254 | (let ((canonic-class-symbol (symbol-value class-sym))) |
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255 | (string-append (package-name (symbol-package canonic-class-symbol)) |
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256 | "." |
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257 | canonic-class-symbol))) |
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258 | |
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259 | (defun member-symbol (full-class-name member-name) |
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260 | "members are defined case-insensitively in case-sensitive packages, |
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261 | prefixed by 'classname.' - |
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262 | (member-symbol \"java.lang.Object\" \"toString\") -> '|java.lang|::OBJECT.TOSTRING" |
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263 | (multiple-value-bind (package class) (split-package-and-class full-class-name) |
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264 | (intern (string-upcase (string-append class "." member-name)) (ensure-package package)))) |
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265 | |
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266 | (defun unexported-member-symbol (full-class-name member-name) |
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267 | "members are defined case-insensitively in case-sensitive packages, |
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268 | prefixed by 'classname.' - |
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269 | (member-symbol \"java.lang.Object\" \"toString\") -> '|java.lang|::OBJECT.TOSTRING" |
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270 | (multiple-value-bind (package class) (split-package-and-class full-class-name) |
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271 | (intern-and-unexport (string-upcase (string-append class "." member-name)) (ensure-package package)))) |
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272 | |
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273 | (defun constructor-symbol (full-class-name) |
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274 | (member-symbol full-class-name "new")) |
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275 | |
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276 | (defun unexported-constructor-symbol (full-class-name) |
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277 | (unexported-member-symbol full-class-name "new")) |
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278 | |
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279 | (defun get-java-class-ref (canonic-class-symbol) |
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280 | "class-ref is cached on the plist of the canonic class symbol" |
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281 | (get-or-init (get canonic-class-symbol :class-ref) |
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282 | (let ((class-name (string-append (package-name |
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283 | (symbol-package canonic-class-symbol)) |
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284 | "." |
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285 | canonic-class-symbol))) |
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286 | (jclass class-name) |
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287 | ))) |
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288 | |
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289 | (defun find-java-class (class-sym-or-string) |
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290 | "Given a Java class designator, returns the Java Class object." |
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291 | (ctypecase class-sym-or-string |
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292 | (symbol (case class-sym-or-string |
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293 | (:int integer.type) |
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294 | (:char character.type) |
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295 | (:long long.type) |
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296 | (:float float.type) |
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297 | (:boolean boolean.type) |
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298 | (:short short.type) |
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299 | (:double double.type) |
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300 | (:byte byte.type) |
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301 | (:void void.type) |
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302 | (otherwise (get-java-class-ref class-sym-or-string)))) |
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303 | (string (get-java-class-ref (canonic-class-symbol class-sym-or-string))))) |
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304 | |
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305 | ;;;;;;;;;;;;;;;;;;;;;; typed reference support ;;;;;;;;;;;;;;;;;;;;;;;; |
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306 | #| |
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307 | The library maintains a hierarchy of typed reference classes that parallel the |
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308 | class hierarchy on the Java side |
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309 | new returns a typed reference, but other functions that return objects |
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310 | return raw references (for efficiency) |
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311 | make-typed-ref can create fully-typed wrappers when desired |
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312 | |# |
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313 | |
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314 | (defun get-superclass-names (full-class-name) |
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315 | (let* ((class (get-java-class-ref (canonic-class-symbol full-class-name))) |
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316 | (super (jclass-superclass class)) |
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317 | (interfaces (jclass-interfaces class)) |
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318 | (supers ())) |
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319 | (loop for i across interfaces |
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320 | do (push i supers)) |
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321 | ;hmmm - where should the base class go in the precedence list? |
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322 | ;is it more important than the interfaces? this says no |
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323 | (if super |
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324 | (push super supers) |
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325 | (push (jclass "java.lang.Object") supers)) |
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326 | (setf supers (nreverse supers)) |
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327 | ;now we need to fix up order so more derived classes are first |
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328 | ;but don't have a total ordering, so merge one at a time |
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329 | (let (result) |
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330 | (dolist (s supers) |
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331 | (setf result (merge 'list result (list s) |
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332 | (lambda (x y) |
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333 | (is-assignable-from x y))))) |
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334 | (mapcar #'jclass-name result)))) |
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335 | #| |
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336 | (defun get-superclass-names (full-class-name) |
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337 | (let* ((class (get-java-class-ref (canonic-class-symbol full-class-name))) |
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338 | (super (class.getsuperclass class)) |
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339 | (interfaces (class.getinterfaces class)) |
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340 | (supers ())) |
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341 | (do-jarray (i interfaces) |
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342 | (push (class.getname i) supers)) |
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343 | ;hmmm - where should the base class go in the precedence list? |
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344 | ;is it more important than the interfaces? this says no |
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345 | (if super |
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346 | (push (class.getname super) supers) |
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347 | (push "java.lang.Object" supers)) |
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348 | (nreverse supers))) |
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349 | |# |
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350 | |
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351 | (defun %ensure-java-class (full-class-name) |
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352 | "walks the superclass hierarchy and makes sure all the classes are fully defined |
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353 | (they may be undefined or just forward-referenced-class) |
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354 | caches this has been done on the class-symbol's plist" |
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355 | (let* ((class-sym (class-symbol full-class-name)) |
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356 | (class (find-class class-sym nil))) |
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357 | (if (or (eql class-sym '|java.lang|::object.) |
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358 | (get class-sym :ensured)) |
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359 | class |
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360 | (let ((supers (get-superclass-names full-class-name))) |
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361 | (dolist (super supers) |
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362 | (%ensure-java-class super)) |
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363 | (unless (and class (subtypep class 'standard-object)) |
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364 | (setf class |
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365 | #+abcl |
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366 | (mop::ensure-class class-sym :direct-superclasses (mapcar #'(lambda (c) (find-class (class-symbol c))) supers)))) |
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367 | (setf (get class-sym :ensured) t) |
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368 | class)))) |
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369 | |
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370 | |
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371 | (defun ensure-java-hierarchy (class-sym) |
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372 | "Works off class-sym for efficient use in new |
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373 | This will only work on class-syms created by def-java-class, |
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374 | as it depends upon symbol-value being the canonic class symbol" |
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375 | (unless (get class-sym :ensured) |
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376 | (%ensure-java-class (java-class-name class-sym)))) |
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377 | |
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378 | (defun make-typed-ref (java-ref) |
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379 | "Given a raw java-ref, determines the full type of the object |
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380 | and returns an instance of a typed reference wrapper" |
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381 | (when java-ref |
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382 | (let ((class (jobject-class java-ref))) |
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383 | (if (jclass-array-p class) |
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384 | (error "typed refs not supported for arrays (yet)") |
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385 | (make-instance (%ensure-java-class (jclass-name class)) :ref java-ref))))) |
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386 | |
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387 | |
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388 | ;;;;;;;;;;;;;;;;;;;;;;;;; Wrapper Generation ;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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389 | #| |
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390 | In an effort to reduce the volume of stuff generated when wrapping entire libraries, |
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391 | the wrappers just generate minimal stubs, which, if and when invoked at runtime, |
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392 | complete the work of building thunking closures, so very little code is generated for |
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393 | things never called (Java libraries have huge numbers of symbols). |
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394 | Not sure if this approach matters, but that's how it works |
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395 | |# |
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396 | |
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397 | (defmacro def-java-class (full-class-name) |
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398 | "Given the package-qualified, case-correct name of a java class, will generate |
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399 | wrapper functions for its contructors, fields and methods." |
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400 | (multiple-value-bind (pacakge class) (split-package-and-class full-class-name) |
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401 | (declare (ignore class)) |
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402 | (let* ((class-sym (unexported-class-symbol full-class-name)) |
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403 | (defs |
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404 | (list* |
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405 | #+nil `(format t "!!!!!!!!!!~a~%" ,full-class-name) |
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406 | `(ensure-package ,pacakge) |
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407 | ;build a path from the simple class symbol to the canonic |
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408 | `(defconstant ,class-sym ',(canonic-class-symbol full-class-name)) |
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409 | `(export ',class-sym (symbol-package ',class-sym)) |
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410 | `(def-java-constructors ,full-class-name) |
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411 | `(def-java-methods ,full-class-name) |
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412 | `(def-java-fields ,full-class-name) |
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413 | (unless (string= full-class-name "java.lang.Object") |
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414 | (let* ((supers (mapcar #'unexported-class-symbol (get-superclass-names full-class-name))) |
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415 | (super-exports |
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416 | (mapcar #'(lambda (class-sym) `(export ',class-sym (symbol-package ',class-sym))) |
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417 | supers))) |
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418 | (append (mapcar |
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419 | (lambda (p) `(ensure-package ,(package-name p))) |
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420 | (remove (symbol-package class-sym) |
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421 | (remove-duplicates (mapcar #'symbol-package supers)))) |
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422 | super-exports |
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423 | (list |
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424 | `(defclass ,(class-symbol full-class-name) |
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425 | ,supers ())))))))) |
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426 | `(locally ,@defs)))) |
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427 | |
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428 | (defun jarfile.new (fn) |
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429 | (jnew (jconstructor "java.util.jar.JarFile" "java.lang.String") fn)) |
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430 | |
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431 | (defun jarfile.entries (jar) |
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432 | (jcall (jmethod "java.util.jar.JarFile" "entries") jar)) |
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433 | |
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434 | (defun zipentry.isdirectory (e) |
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435 | (jcall (jmethod "java.util.zip.ZipEntry" "isDirectory") e)) |
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436 | |
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437 | (defun zipentry.getname (e) |
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438 | (jcall (jmethod "java.util.zip.ZipEntry" "getName") e)) |
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439 | |
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440 | (defun get-jar-classnames (jar-file-name &rest packages) |
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441 | "returns a list of strings, packages should be of the form \"java/lang\" |
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442 | for recursive lookup and \"java/util/\" for non-recursive" |
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443 | (let* ((jar (jarfile.new jar-file-name)) |
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444 | (entries (jarfile.entries jar)) |
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445 | (names ())) |
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446 | (doenum (e entries) |
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447 | (unless (zipentry.isdirectory e) |
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448 | (let ((ename (zipentry.getname e))) |
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449 | (flet ((matches (package) |
---|
450 | (and (eql 0 (search package ename)) |
---|
451 | (or (not (eql #\/ (schar package (1- (length package))))) ;recursive |
---|
452 | (not (find #\/ ename :start (length package))))))) ;non-subdirectory |
---|
453 | (when (and (eql (search ".class" ename) |
---|
454 | (- (length ename) 6)) ;classname |
---|
455 | ;don't grab anonymous inner classes |
---|
456 | (not (and (find #\$ ename) |
---|
457 | (digit-char-p (schar ename (1+ (position #\$ ename)))))) |
---|
458 | (some #'matches packages)) |
---|
459 | (push (nsubstitute #\. #\/ (subseq ename 0 (- (length ename) 6))) |
---|
460 | names)))))) |
---|
461 | names)) |
---|
462 | |
---|
463 | (defun dump-wrapper-defs-to-file (filename classnames) |
---|
464 | "given a list of classnames (say from get-jar-classnames), writes |
---|
465 | calls to def-java-class to a file" |
---|
466 | (with-open-file (s filename :direction :output :if-exists :supersede) |
---|
467 | (dolist (name (sort classnames #'string-lessp)) |
---|
468 | (format s "(def-java-class ~S)~%" name)))) |
---|
469 | |
---|
470 | ;;;;;;;;;;;;;;;;;;;;;;;;; constructors and new ;;;;;;;;;;;;;;;;;;;;;;;;;; |
---|
471 | #| |
---|
472 | |
---|
473 | Every non-interface class with a public ctor will get; |
---|
474 | a constructor, classname.new |
---|
475 | a method defined on make-new, ultimately calling classname.new, |
---|
476 | specialized on (the value of) it's class-symbol (e.g. canonic sym) |
---|
477 | |
---|
478 | Note that if the ctor is overloaded, there is just one function (taking a rest arg), |
---|
479 | which handles overload resolution |
---|
480 | |
---|
481 | The new macro expands into a call to make-new |
---|
482 | |# |
---|
483 | |
---|
484 | (defgeneric make-new (class-sym &rest args) |
---|
485 | (:documentation "Allows for definition of before/after methods on ctors. |
---|
486 | The new macro expands into call to this")) |
---|
487 | |
---|
488 | (defun build-ctor-doc-string (name ctors) |
---|
489 | (with-output-to-string (s) |
---|
490 | (dolist (c ctors) |
---|
491 | (format s "~A(~{~#[~;~A~:;~A,~]~})~%" |
---|
492 | name |
---|
493 | (mapcar #'class-name-for-doc (jarray-to-list (jconstructor-params c))))))) |
---|
494 | |
---|
495 | (defmacro def-java-constructors (full-class-name) |
---|
496 | "creates and exports a ctor func classname.new, defines a method of |
---|
497 | make-new specialized on the class-symbol" |
---|
498 | (let ((ctor-list (get-ctor-list full-class-name))) |
---|
499 | (when ctor-list |
---|
500 | (let ((ctor-sym (unexported-constructor-symbol full-class-name)) |
---|
501 | (class-sym (class-symbol full-class-name))) |
---|
502 | `(locally |
---|
503 | (defun ,ctor-sym (&rest args) |
---|
504 | ,(build-ctor-doc-string full-class-name ctor-list) |
---|
505 | (apply #'install-constructors-and-call ,full-class-name args)) |
---|
506 | (export ',ctor-sym (symbol-package ',ctor-sym)) |
---|
507 | (defmethod make-new ((class-sym (eql ,class-sym)) &rest args) |
---|
508 | (apply (function ,ctor-sym) args))))))) |
---|
509 | |
---|
510 | (defun get-ctor-list (full-class-name) |
---|
511 | (let* ((class-sym (canonic-class-symbol full-class-name)) |
---|
512 | (class (get-java-class-ref class-sym)) |
---|
513 | (ctor-array (jclass-constructors class)) |
---|
514 | (ctor-list (jarray-to-list ctor-array))) |
---|
515 | ctor-list)) |
---|
516 | |
---|
517 | (defun install-constructors-and-call (full-class-name &rest args) |
---|
518 | "initially the constructor symbol for a class is bound to this function, |
---|
519 | when first called it will replace itself with the appropriate direct thunk, |
---|
520 | then call the requested ctor - subsequent calls will be direct" |
---|
521 | (install-constructors full-class-name) |
---|
522 | (apply (constructor-symbol full-class-name) args)) |
---|
523 | |
---|
524 | (defun install-constructors (full-class-name) |
---|
525 | (let* ((ctor-list (get-ctor-list full-class-name))) |
---|
526 | (when ctor-list |
---|
527 | (setf (fdefinition (constructor-symbol full-class-name)) |
---|
528 | (make-ctor-thunk ctor-list (class-symbol full-class-name)))))) |
---|
529 | |
---|
530 | (defun make-ctor-thunk (ctors class-sym) |
---|
531 | (if (rest ctors) ;overloaded |
---|
532 | (make-overloaded-ctor-thunk ctors class-sym) |
---|
533 | (make-non-overloaded-ctor-thunk (first ctors) class-sym))) |
---|
534 | |
---|
535 | (defun make-non-overloaded-ctor-thunk (ctor class-sym) |
---|
536 | (let ((arg-boxers (get-arg-boxers (jconstructor-params ctor)))) |
---|
537 | (lambda (&rest args) |
---|
538 | (let ((arglist (build-arglist args arg-boxers))) |
---|
539 | (ensure-java-hierarchy class-sym) |
---|
540 | (make-instance class-sym |
---|
541 | :ref (apply #'jnew ctor arglist) |
---|
542 | :lisp-allocated t))))) |
---|
543 | |
---|
544 | (defun make-overloaded-ctor-thunk (ctors class-sym) |
---|
545 | (let ((thunks (make-ctor-thunks-by-args-length ctors class-sym))) |
---|
546 | (lambda (&rest args) |
---|
547 | (let ((fn (cdr (assoc (length args) thunks)))) |
---|
548 | (if fn |
---|
549 | (apply fn |
---|
550 | args) |
---|
551 | (error "invalid arity")))))) |
---|
552 | |
---|
553 | (defun make-ctor-thunks-by-args-length (ctors class-sym) |
---|
554 | "returns an alist of thunks keyed by number of args" |
---|
555 | (let ((ctors-by-args-length (make-hash-table)) |
---|
556 | (thunks-by-args-length nil)) |
---|
557 | (dolist (ctor ctors) |
---|
558 | (let ((params-len (length (jconstructor-params ctor)))) |
---|
559 | (push ctor (gethash params-len ctors-by-args-length)))) |
---|
560 | (maphash #'(lambda (args-len ctors) |
---|
561 | (push (cons args-len |
---|
562 | (if (rest ctors);truly overloaded |
---|
563 | (make-type-overloaded-ctor-thunk ctors class-sym) |
---|
564 | ;only one ctor with this number of args |
---|
565 | (make-non-overloaded-ctor-thunk (first ctors) class-sym))) |
---|
566 | thunks-by-args-length)) |
---|
567 | ctors-by-args-length) |
---|
568 | thunks-by-args-length)) |
---|
569 | |
---|
570 | (defun make-type-overloaded-ctor-thunk (ctors class-sym) |
---|
571 | "these methods have the same number of args and must be distinguished by type" |
---|
572 | (let ((thunks (mapcar #'(lambda (ctor) |
---|
573 | (list (make-non-overloaded-ctor-thunk ctor class-sym) |
---|
574 | (jarray-to-list (jconstructor-params ctor)))) |
---|
575 | ctors))) |
---|
576 | (lambda (&rest args) |
---|
577 | (block fn |
---|
578 | (let ((arg-types (get-types-of-args args))) |
---|
579 | (dolist (thunk-info thunks) |
---|
580 | (destructuring-bind (thunk param-types) thunk-info |
---|
581 | (when (is-congruent-type-list param-types arg-types) |
---|
582 | (return-from fn (apply thunk args))))) |
---|
583 | (error "No matching constructor")))))) |
---|
584 | |
---|
585 | (defmacro new (class-spec &rest args) |
---|
586 | "new class-spec args |
---|
587 | class-spec -> class-name | (class-name this-name) |
---|
588 | class-name -> \"package.qualified.ClassName\" | classname. |
---|
589 | args -> [actual-arg]* [init-arg-spec]* |
---|
590 | init-arg-spec -> init-arg | (init-arg) |
---|
591 | init-arg -> :settable-field-or-method [params]* value ;note keyword |
---|
592 | | |
---|
593 | .method-name [args]* ;note dot |
---|
594 | |
---|
595 | Creates a new instance of class-name, using make-new generic function, |
---|
596 | then initializes it by setting fields or accessors and/or calling member functions |
---|
597 | If this-name is supplied it will be bound to the newly-allocated object and available |
---|
598 | to the init-args" |
---|
599 | (labels ((mem-sym? (x) |
---|
600 | (or (keywordp x) |
---|
601 | (and (symbolp x) (eql 0 (position #\. (symbol-name x)))))) |
---|
602 | (mem-form? (x) |
---|
603 | (and (listp x) (mem-sym? (first x)))) |
---|
604 | (mem-init? (x) |
---|
605 | (or (mem-sym? x) (mem-form? x))) |
---|
606 | (init-forms (x) |
---|
607 | (if x |
---|
608 | (if (mem-form? (first x)) |
---|
609 | (cons (first x) (init-forms (rest x))) |
---|
610 | (let ((more (member-if #'mem-init? (rest x)))) |
---|
611 | (cons (ldiff x more) (init-forms more))))))) |
---|
612 | (let* ((inits (member-if #'mem-init? args)) |
---|
613 | (real-args (ldiff args inits)) |
---|
614 | (class-atom (if (atom class-spec) |
---|
615 | class-spec |
---|
616 | (first class-spec))) |
---|
617 | (class-sym (if (symbolp class-atom) |
---|
618 | ;(find-symbol (string-append (symbol-name class-atom) ".")) |
---|
619 | class-atom |
---|
620 | (multiple-value-bind (package class) (split-package-and-class class-atom) |
---|
621 | (find-symbol (string-append (string-upcase class) ".") package)))) |
---|
622 | (class-name (subseq (symbol-name class-sym) 0 (1- (length (symbol-name class-sym))))) |
---|
623 | (gthis (gensym))) |
---|
624 | (flet ((expand-init (x) |
---|
625 | (if (keywordp (first x)) ;setf field or property |
---|
626 | `(setf (,(find-symbol (string-append class-name "." (symbol-name (first x)))) |
---|
627 | ,gthis ,@(butlast (rest x))) |
---|
628 | ,@(last (rest x))) |
---|
629 | ;.memfunc |
---|
630 | `(,(find-symbol (string-append class-name (symbol-name (first x)))) |
---|
631 | ,gthis |
---|
632 | ,@(rest x))))) |
---|
633 | `(let* ((,gthis (make-new ,class-sym ,@real-args)) |
---|
634 | ,@(when (listp class-spec) |
---|
635 | `((,(second class-spec) ,gthis)))) |
---|
636 | ,@(mapcar #'expand-init (init-forms inits)) |
---|
637 | ,gthis))))) |
---|
638 | |
---|
639 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; Fields ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
---|
640 | |
---|
641 | #| |
---|
642 | all public fields will get a getter function classname.fieldname and a setter - (setf classname.fieldname) |
---|
643 | instance fields take an first arg which is the instance |
---|
644 | static fields also get a symbol-macro *classname.fieldname* |
---|
645 | |# |
---|
646 | |
---|
647 | (defmacro def-java-fields (full-class-name) |
---|
648 | "fields will get a getter function classname.fieldname and a setter - (setf classname.fieldname) |
---|
649 | instance fields take an first arg which is the instance |
---|
650 | static fields also get a symbol-macro *classname.fieldname*" |
---|
651 | (let* ((class-sym (canonic-class-symbol full-class-name)) |
---|
652 | (class (get-java-class-ref class-sym)) |
---|
653 | (fields (jarray-to-list (jclass-fields class))) |
---|
654 | (defs nil)) |
---|
655 | (dolist (field fields) |
---|
656 | (let* ((field-name (jfield-name field)) |
---|
657 | (field-sym (unexported-member-symbol full-class-name field-name)) |
---|
658 | (is-static (jmember-static-p field))) |
---|
659 | (if is-static |
---|
660 | (let ((macsym (intern-and-unexport (string-append "*" (symbol-name field-sym) "*") |
---|
661 | (symbol-package field-sym)))) |
---|
662 | (push `(defun ,field-sym () |
---|
663 | (install-static-field-and-get ,full-class-name ,field-name)) |
---|
664 | defs) |
---|
665 | (push `(defun (setf ,field-sym) (val) |
---|
666 | (install-static-field-and-set ,full-class-name ,field-name val)) |
---|
667 | defs) |
---|
668 | (push `(export ',field-sym (symbol-package ',field-sym)) defs) |
---|
669 | (push `(define-symbol-macro ,macsym (,field-sym)) defs) |
---|
670 | (push `(export ',macsym (symbol-package ',macsym)) defs)) |
---|
671 | (progn |
---|
672 | (push `(defun ,field-sym (obj) |
---|
673 | (install-field-and-get ,full-class-name ,field-name obj)) |
---|
674 | defs) |
---|
675 | (push `(defun (setf ,field-sym) (val obj) |
---|
676 | (install-field-and-set ,full-class-name ,field-name val obj)) |
---|
677 | defs) |
---|
678 | (push `(export ',field-sym (symbol-package ',field-sym)) defs))))) |
---|
679 | `(locally ,@(nreverse defs)))) |
---|
680 | |
---|
681 | (defun install-field-and-get (full-class-name field-name obj) |
---|
682 | (install-field full-class-name field-name) |
---|
683 | (funcall (member-symbol full-class-name field-name) obj)) |
---|
684 | |
---|
685 | (defun install-field-and-set (full-class-name field-name val obj) |
---|
686 | (install-field full-class-name field-name) |
---|
687 | (funcall (fdefinition `(setf ,(member-symbol full-class-name field-name))) val obj)) |
---|
688 | |
---|
689 | (defun install-static-field-and-get (full-class-name field-name) |
---|
690 | (install-field full-class-name field-name) |
---|
691 | (funcall (member-symbol full-class-name field-name))) |
---|
692 | |
---|
693 | (defun install-static-field-and-set (full-class-name field-name val) |
---|
694 | (install-field full-class-name field-name) |
---|
695 | (funcall (fdefinition `(setf ,(member-symbol full-class-name field-name))) val)) |
---|
696 | |
---|
697 | |
---|
698 | (defun install-field (full-class-name field-name) |
---|
699 | (let* ((class-sym (canonic-class-symbol full-class-name)) |
---|
700 | (class (get-java-class-ref class-sym)) |
---|
701 | (field (jclass-field class field-name)) |
---|
702 | (field-sym (member-symbol full-class-name field-name)) |
---|
703 | (is-static (jmember-static-p field)) |
---|
704 | (field-type-name (jclass-name (jfield-type field))) |
---|
705 | (boxer (get-boxer-fn field-type-name)) |
---|
706 | (unboxer (get-unboxer-fn field-type-name))) |
---|
707 | (if is-static |
---|
708 | (progn |
---|
709 | (setf (fdefinition field-sym) |
---|
710 | (lambda () |
---|
711 | (funcall unboxer (jfield-raw class field-name) #+nil (field.get field nil)))) |
---|
712 | (setf (fdefinition `(setf ,field-sym)) |
---|
713 | (lambda (arg) |
---|
714 | (jfield field-name nil |
---|
715 | (get-ref (if (and boxer (not (boxed? arg))) |
---|
716 | (funcall boxer arg) |
---|
717 | arg))) |
---|
718 | arg))) |
---|
719 | (progn |
---|
720 | (setf (fdefinition field-sym) |
---|
721 | (lambda (obj) |
---|
722 | (funcall unboxer (jfield-raw class field-name (get-ref obj)) #+nil(field.get field (get-ref obj))))) |
---|
723 | (setf (fdefinition `(setf ,field-sym)) |
---|
724 | (lambda (arg obj) |
---|
725 | (jfield field-name (get-ref obj) |
---|
726 | (get-ref (if (and boxer (not (boxed? arg))) |
---|
727 | (funcall boxer arg) |
---|
728 | arg))) |
---|
729 | arg)))))) |
---|
730 | |
---|
731 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;; methods ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
---|
732 | #| |
---|
733 | defines wrappers for all public methods of the class |
---|
734 | As with ctors, if a method is overloaded a single wrapper is created that handles |
---|
735 | overload resolution. |
---|
736 | The wrappers have the name classname.methodname |
---|
737 | If a method follows the JavaBeans property protocol (i.e. it is called getSomething or isSomething |
---|
738 | and there is a corresponding setSomething, then a (setf classname.methodname) will be defined |
---|
739 | that calls the latter |
---|
740 | |# |
---|
741 | |
---|
742 | (defun class-name-for-doc (class) |
---|
743 | (let ((name (jclass-name class))) |
---|
744 | (if (jclass-array-p class) |
---|
745 | (decode-array-name name) |
---|
746 | name))) |
---|
747 | |
---|
748 | (defun build-method-doc-string (name methods) |
---|
749 | (with-output-to-string (s) |
---|
750 | (dolist (m methods) |
---|
751 | (format s "~A~A ~A(~{~#[~;~A~:;~A,~]~})~%" |
---|
752 | (if (jmember-static-p m) |
---|
753 | "static " |
---|
754 | "") |
---|
755 | (jclass-name (jmethod-return-type m)) |
---|
756 | name |
---|
757 | (mapcar #'class-name-for-doc (jarray-to-list (jmethod-params m))))))) |
---|
758 | |
---|
759 | (defmacro def-java-methods (full-class-name) |
---|
760 | (let ((methods-by-name (get-methods-by-name full-class-name)) |
---|
761 | (defs nil)) |
---|
762 | (maphash (lambda (name methods) |
---|
763 | (let ((method-sym (unexported-member-symbol full-class-name name))) |
---|
764 | (push `(defun ,method-sym (&rest args) |
---|
765 | ,(build-method-doc-string name methods) |
---|
766 | (apply #'install-methods-and-call ,full-class-name ,name args)) |
---|
767 | defs) |
---|
768 | (push `(export ',method-sym (symbol-package ',method-sym)) |
---|
769 | defs) |
---|
770 | ;build setters when finding beans property protocol |
---|
771 | (flet ((add-setter-if (prefix) |
---|
772 | (when (eql 0 (search prefix name)) |
---|
773 | (let ((setname (string-append "set" (subseq name (length prefix))))) |
---|
774 | (when (gethash setname methods-by-name) |
---|
775 | (push `(defun (setf ,method-sym) (val &rest args) |
---|
776 | (progn |
---|
777 | (apply #',(member-symbol full-class-name setname) |
---|
778 | (append args (list val))) |
---|
779 | val)) |
---|
780 | defs)))))) |
---|
781 | (add-setter-if "get") |
---|
782 | (add-setter-if "is")))) |
---|
783 | methods-by-name) |
---|
784 | `(locally ,@(nreverse defs)))) |
---|
785 | |
---|
786 | (defun install-methods-and-call (full-class-name method &rest args) |
---|
787 | "initially all the member function symbols for a class are bound to this function, |
---|
788 | when first called it will replace them with the appropriate direct thunks, |
---|
789 | then call the requested method - subsequent calls via those symbols will be direct" |
---|
790 | (install-methods full-class-name) |
---|
791 | (apply (member-symbol full-class-name method) args)) |
---|
792 | |
---|
793 | (defun decode-array-name (tn) |
---|
794 | (let ((prim (assoc tn |
---|
795 | '(("Z" . "boolean") |
---|
796 | ("B" . "byte") |
---|
797 | ("C" . "char") |
---|
798 | ("S" . "short") |
---|
799 | ("I" . "int") |
---|
800 | ("J" . "long") |
---|
801 | ("F" . "float") |
---|
802 | ("D" . "double") |
---|
803 | ("V" . "void")) |
---|
804 | :test #'string-equal))) |
---|
805 | (if prim |
---|
806 | (rest prim) |
---|
807 | (let ((array-depth (count #\[ tn))) |
---|
808 | (if (= 0 array-depth) |
---|
809 | (subseq tn 1 (1- (length tn))) ;strip leading L and trailing ; |
---|
810 | (with-output-to-string (s) |
---|
811 | (write-string (decode-array-name (subseq tn array-depth)) s) |
---|
812 | (dotimes (x array-depth) |
---|
813 | (write-string "[]" s)))))))) |
---|
814 | |
---|
815 | (defun jarray-to-list (array) |
---|
816 | (coerce array 'list)) |
---|
817 | |
---|
818 | |
---|
819 | (defun jmethod-made-accessible (method) |
---|
820 | "Return a method made accessible" |
---|
821 | (jcall (jmethod "java.lang.reflect.AccessibleObject" "setAccessible" "boolean") |
---|
822 | method |
---|
823 | java:+true+) |
---|
824 | method) |
---|
825 | |
---|
826 | (defun jclass-relevant-methods (class) |
---|
827 | "Return all public methods, and all protected declared methods" |
---|
828 | (append (jarray-to-list (jclass-methods class)) |
---|
829 | (map 'list #'jmethod-made-accessible |
---|
830 | (remove-if-not #'jmember-protected-p (jclass-methods class :declared t))))) |
---|
831 | |
---|
832 | (defun get-methods-by-name (full-class-name) |
---|
833 | "returns an #'equal hashtable of lists of java.lang.Method refs keyed by name" |
---|
834 | (let* ((class-sym (canonic-class-symbol full-class-name)) |
---|
835 | (class (get-java-class-ref class-sym)) |
---|
836 | (methods (jclass-relevant-methods class)) |
---|
837 | (methods-by-name (make-hash-table :test #'equal))) |
---|
838 | (loop for method in methods |
---|
839 | do |
---|
840 | (push method (gethash (jmethod-name method) methods-by-name))) |
---|
841 | methods-by-name)) |
---|
842 | |
---|
843 | (defun install-methods (full-class-name) |
---|
844 | (let ((methods-by-name (get-methods-by-name full-class-name))) |
---|
845 | (maphash |
---|
846 | (lambda (name methods) |
---|
847 | (setf (fdefinition (member-symbol full-class-name name)) |
---|
848 | (make-method-thunk methods))) |
---|
849 | methods-by-name))) |
---|
850 | |
---|
851 | (defun make-method-thunk (methods) |
---|
852 | (if (rest methods) ;overloaded |
---|
853 | (make-overloaded-thunk methods) |
---|
854 | (make-non-overloaded-thunk (first methods)))) |
---|
855 | |
---|
856 | (defun make-non-overloaded-thunk (method) |
---|
857 | (let* ((unboxer-fn (get-unboxer-fn (jclass-name (jmethod-return-type method)))) |
---|
858 | (arg-boxers (get-arg-boxers (jmethod-params method))) |
---|
859 | (is-static (jmember-static-p method)) |
---|
860 | (caller (if is-static #'jstatic-raw #'jcall-raw))) |
---|
861 | (lambda (&rest args) |
---|
862 | (let ((arglist (build-arglist (if is-static args (rest args)) arg-boxers))) |
---|
863 | (funcall unboxer-fn |
---|
864 | (apply caller method |
---|
865 | (if is-static nil (get-ref (first args))) |
---|
866 | arglist)))))) |
---|
867 | |
---|
868 | (defun make-overloaded-thunk (methods) |
---|
869 | (let ((thunks (make-thunks-by-args-length methods))) |
---|
870 | (lambda (&rest args) |
---|
871 | (let ((fn (cdr (assoc (length args) thunks)))) |
---|
872 | (if fn |
---|
873 | (apply fn |
---|
874 | args) |
---|
875 | (error "invalid arity")))))) |
---|
876 | |
---|
877 | (defun make-thunks-by-args-length (methods) |
---|
878 | "returns an alist of thunks keyed by number of args" |
---|
879 | (let ((methods-by-args-length (make-hash-table)) |
---|
880 | (thunks-by-args-length nil)) |
---|
881 | (dolist (method methods) |
---|
882 | (let ((is-static (jmember-static-p method)) |
---|
883 | (params-len (length (jmethod-params method)))) |
---|
884 | (push method (gethash (if is-static params-len (1+ params-len)) |
---|
885 | methods-by-args-length)))) |
---|
886 | (maphash #'(lambda (args-len methods) |
---|
887 | (push (cons args-len |
---|
888 | (if (rest methods);truly overloaded |
---|
889 | (make-type-overloaded-thunk methods) |
---|
890 | ;only one method with this number of args |
---|
891 | (make-non-overloaded-thunk (first methods)))) |
---|
892 | thunks-by-args-length)) |
---|
893 | methods-by-args-length) |
---|
894 | thunks-by-args-length)) |
---|
895 | |
---|
896 | (defun make-type-overloaded-thunk (methods) |
---|
897 | "these methods have the same number of args and must be distinguished by type" |
---|
898 | (let ((thunks (mapcar #'(lambda (method) |
---|
899 | (list (make-non-overloaded-thunk method) |
---|
900 | (jmember-static-p method) |
---|
901 | (jarray-to-list (jmethod-params method)))) |
---|
902 | methods))) |
---|
903 | (lambda (&rest args) |
---|
904 | (block fn |
---|
905 | (let ((arg-types (get-types-of-args args))) |
---|
906 | (dolist (thunk-info thunks) |
---|
907 | (destructuring-bind (thunk is-static param-types) thunk-info |
---|
908 | (when (is-congruent-type-list param-types (if is-static arg-types (rest arg-types))) |
---|
909 | (return-from fn (apply thunk args))))) |
---|
910 | (error "No matching method")))))) |
---|
911 | |
---|
912 | |
---|
913 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; array support ;;;;;;;;;;;;;;;;;;;;;;;;;;; |
---|
914 | |
---|
915 | |
---|
916 | (defun jref (array &rest subscripts) |
---|
917 | (apply #'jarray-ref-raw array subscripts)) |
---|
918 | |
---|
919 | |
---|
920 | (defun (setf jref) (val array &rest subscripts) |
---|
921 | (apply #'jarray-set array val subscripts)) |
---|
922 | |
---|
923 | |
---|
924 | |
---|
925 | (eval-when (:compile-toplevel :load-toplevel :execute) |
---|
926 | (defmacro def-refs (&rest types) |
---|
927 | `(locally |
---|
928 | ,@(mapcan |
---|
929 | (lambda (type) |
---|
930 | (let ((ref-sym (intern (string-upcase (string-append "jref-" (symbol-name type)))))) |
---|
931 | (list |
---|
932 | `(defun ,ref-sym (array &rest subscripts) |
---|
933 | ,(format nil "like aref, for Java arrays of ~A, settable" (symbol-name type)) |
---|
934 | (assert (every #'integerp subscripts)) |
---|
935 | (apply #'jarray-ref array subscripts)) |
---|
936 | |
---|
937 | `(defun (setf ,ref-sym) (val array &rest subscripts) |
---|
938 | (assert (every #'integerp subscripts)) |
---|
939 | (apply #'jarray-set array ,(if (eql type 'boolean) '(box-boolean val) 'val) subscripts) |
---|
940 | )))) |
---|
941 | types)))) |
---|
942 | |
---|
943 | ;arrays of primitives have their own accessors |
---|
944 | (def-refs boolean byte char double float int short long) |
---|
945 | |
---|
946 | (defun jlength (array) |
---|
947 | "like length, for Java arrays" |
---|
948 | (jarray-length array)) ;(get-ref array)? |
---|
949 | |
---|
950 | (defgeneric make-new-array (type &rest dimensions) |
---|
951 | (:documentation "generic function, with methods for all Java class designators") |
---|
952 | (:method (type &rest dims) |
---|
953 | (assert (every #'integerp dims)) |
---|
954 | (apply #'jnew-array type dims))) |
---|
955 | |
---|
956 | (defmethod make-new-array ((type symbol) &rest dimensions) |
---|
957 | (apply #'make-new-array (get-java-class-ref type) dimensions)) |
---|
958 | |
---|
959 | (defmethod make-new-array ((type string) &rest dimensions) |
---|
960 | (apply #'make-new-array (find-java-class type) dimensions)) |
---|
961 | |
---|
962 | (defmethod make-new-array ((type (eql :char)) &rest dimensions) |
---|
963 | (apply #'make-new-array character.type dimensions)) |
---|
964 | |
---|
965 | (defmethod make-new-array ((type (eql :int)) &rest dimensions) |
---|
966 | (apply #'make-new-array integer.type dimensions)) |
---|
967 | |
---|
968 | (defmethod make-new-array ((type (eql :boolean)) &rest dimensions) |
---|
969 | (apply #'make-new-array boolean.type dimensions)) |
---|
970 | |
---|
971 | (defmethod make-new-array ((type (eql :double)) &rest dimensions) |
---|
972 | (apply #'make-new-array double.type dimensions)) |
---|
973 | |
---|
974 | (defmethod make-new-array ((type (eql :byte)) &rest dimensions) |
---|
975 | (apply #'make-new-array byte.type dimensions)) |
---|
976 | |
---|
977 | (defmethod make-new-array ((type (eql :float)) &rest dimensions) |
---|
978 | (apply #'make-new-array float.type dimensions)) |
---|
979 | |
---|
980 | (defmethod make-new-array ((type (eql :short)) &rest dimensions) |
---|
981 | (apply #'make-new-array short.type dimensions)) |
---|
982 | |
---|
983 | (defmethod make-new-array ((type (eql :long)) &rest dimensions) |
---|
984 | (apply #'make-new-array long.type dimensions)) |
---|
985 | |
---|
986 | ;;;;;;;;;;;;;;;;;;;;;;;;;; arg/param helpers ;;;;;;;;;;;;;;;;;;;;;; |
---|
987 | |
---|
988 | |
---|
989 | (defun get-arg-boxers (param-types) |
---|
990 | "returns a list with one entry per param, either nil or a function that boxes the arg" |
---|
991 | (loop for param-type across param-types |
---|
992 | collecting (get-boxer-fn (jclass-name param-type)))) |
---|
993 | |
---|
994 | |
---|
995 | |
---|
996 | (defun build-arglist (args arg-boxers) |
---|
997 | (when args |
---|
998 | (loop for arg in args |
---|
999 | for boxer in arg-boxers |
---|
1000 | collecting |
---|
1001 | (get-ref (if (and boxer (not (boxed? arg))) |
---|
1002 | (funcall boxer arg) |
---|
1003 | arg))))) |
---|
1004 | |
---|
1005 | |
---|
1006 | (defun get-types-of-args (args) |
---|
1007 | (let (ret) |
---|
1008 | (dolist (arg args) |
---|
1009 | (push (infer-box-type arg) |
---|
1010 | ret)) |
---|
1011 | (nreverse ret))) |
---|
1012 | |
---|
1013 | (defun is-congruent-type-list (param-types arg-types) |
---|
1014 | (every #'(lambda (arg-type param-type) |
---|
1015 | (if arg-type |
---|
1016 | (is-assignable-from arg-type param-type) |
---|
1017 | ;nil was passed - must be boolean or non-primitive target type |
---|
1018 | (or (not (is-primitive-class param-type)) |
---|
1019 | (jclass-superclass-p boolean.type param-type)))) |
---|
1020 | arg-types param-types)) |
---|
1021 | |
---|
1022 | |
---|
1023 | ;;;;;;;;;;;;;;;;;;;;;;;; argument conversion and boxing ;;;;;;;;;;;;;;;;;;;;;;;;;; |
---|
1024 | (defun box-string (s) |
---|
1025 | "Given a string or symbol, returns reference to a Java string" |
---|
1026 | (convert-to-java-string s)) |
---|
1027 | |
---|
1028 | (defun unbox-string (ref &optional delete-local) |
---|
1029 | "Given a reference to a Java string, returns a Lisp string" |
---|
1030 | (declare (ignore delete-local)) |
---|
1031 | (convert-from-java-string (get-ref ref))) |
---|
1032 | |
---|
1033 | |
---|
1034 | |
---|
1035 | (defun get-boxer-fn (class-name) |
---|
1036 | (if (string= class-name "boolean") |
---|
1037 | #'box-boolean |
---|
1038 | nil)) |
---|
1039 | |
---|
1040 | (defun get-boxer-fn-sym (class-name) |
---|
1041 | (if (string= class-name "boolean") |
---|
1042 | 'box-boolean |
---|
1043 | 'identity)) |
---|
1044 | |
---|
1045 | (defun boxed? (x) |
---|
1046 | (or (java-ref-p x) |
---|
1047 | (typep x '|java.lang|::object.))) |
---|
1048 | |
---|
1049 | (defun infer-box-type (x) |
---|
1050 | (cond |
---|
1051 | ((null x) nil) |
---|
1052 | ((boxed? x) (jobject-class (get-ref x))) |
---|
1053 | ((typep x '(integer -2147483648 +2147483647)) integer.type) |
---|
1054 | ((typep x '(integer -9223372036854775808 +9223372036854775807)) long.type) |
---|
1055 | ((numberp x) double.type) |
---|
1056 | ; ((characterp x) character.type) ;;;FIXME!! |
---|
1057 | ((eq x t) boolean.type) |
---|
1058 | ((or (stringp x) (symbolp x)) |
---|
1059 | (get-java-class-ref '|java.lang|::|String|)) |
---|
1060 | (t (error "can't infer box type")))) |
---|
1061 | |
---|
1062 | |
---|
1063 | (defun get-unboxer-fn (class-name) |
---|
1064 | (if (string= class-name "void") |
---|
1065 | #'unbox-void |
---|
1066 | (if (or (is-name-of-primitive class-name) (string= class-name "java.lang.String")) |
---|
1067 | #'jobject-lisp-value |
---|
1068 | #'identity-or-nil))) |
---|
1069 | |
---|
1070 | (defun get-unboxer-fn-sym (class-name) |
---|
1071 | (if (string= class-name "void") |
---|
1072 | 'unbox-void |
---|
1073 | (if (or (is-name-of-primitive class-name) (string= class-name "java.lang.String")) |
---|
1074 | 'jobject-lisp-value |
---|
1075 | 'identity-or-nil))) |
---|
1076 | |
---|
1077 | |
---|
1078 | (defun unbox-void (x &optional delete-local) |
---|
1079 | (declare (ignore x delete-local)) |
---|
1080 | nil) |
---|
1081 | |
---|
1082 | (defun box-void (x) |
---|
1083 | (declare (ignore x)) |
---|
1084 | nil) |
---|
1085 | |
---|
1086 | (defun box-boolean (x) |
---|
1087 | (if x java:+true+ java:+false+)) |
---|
1088 | |
---|
1089 | ;;;;;;;;;;;;;;;;;;;;;;;; proxy support ;;;;;;;;;;;;;;;;;;;;;;;;;;; |
---|
1090 | |
---|
1091 | (defun enable-java-proxies () |
---|
1092 | t) |
---|
1093 | |
---|
1094 | (defun find-java-class-in-macro (name) |
---|
1095 | (find-java-class |
---|
1096 | (if (symbolp name) |
---|
1097 | (symbol-value name) |
---|
1098 | name))) |
---|
1099 | |
---|
1100 | (defmacro new-proxy (&rest interface-defs) |
---|
1101 | "interface-def -> (interface-name method-defs+) |
---|
1102 | interface-name -> \"package.qualified.ClassName\" | classname. (must name a Java interface type) |
---|
1103 | method-def -> (method-name arg-defs* body) |
---|
1104 | arg-def -> arg-name | (arg-name arg-type) |
---|
1105 | arg-type -> \"package.qualified.ClassName\" | classname. | :primitive |
---|
1106 | method-name -> symbol | string (matched case-insensitively) |
---|
1107 | |
---|
1108 | Creates, registers and returns a Java object that implements the supplied interfaces" |
---|
1109 | (let (defined-method-names) |
---|
1110 | (labels ((process-idefs (idefs) |
---|
1111 | (when (rest idefs) |
---|
1112 | (error "Sorry, only one interface def at a time")) |
---|
1113 | (process-idef (first idefs))) |
---|
1114 | (process-idef (idef) |
---|
1115 | (destructuring-bind (interface-name &rest method-defs) idef |
---|
1116 | (let* ((methods (jclass-methods (find-java-class-in-macro interface-name))) |
---|
1117 | (ret `((find-java-class ,interface-name) |
---|
1118 | ,@(loop for method-def in method-defs appending (process-method-def method-def methods))))) |
---|
1119 | ;;check to make sure every function is defined |
---|
1120 | (loop for method across methods |
---|
1121 | for mname = (jmethod-name method) |
---|
1122 | unless (member mname defined-method-names :test #'string-equal) |
---|
1123 | do |
---|
1124 | (warn (format nil "proxy doesn't define:~%~A" mname))) |
---|
1125 | ret))) |
---|
1126 | (process-method-def (method-def methods) |
---|
1127 | (destructuring-bind (method-name (&rest arg-defs) &body body) method-def |
---|
1128 | (push method-name defined-method-names) |
---|
1129 | (let ((method (matching-method method-name arg-defs methods)) |
---|
1130 | (gargs (gensym))) |
---|
1131 | `(,(jmethod-name method) |
---|
1132 | (lambda (&rest ,gargs) |
---|
1133 | (,(get-boxer-fn-sym (jclass-name (jmethod-return-type method))) |
---|
1134 | (let ,(arg-lets arg-defs |
---|
1135 | (jarray-to-list (jmethod-params method)) |
---|
1136 | gargs |
---|
1137 | 0) |
---|
1138 | ,@body))))))) |
---|
1139 | (arg-lets (arg-defs params gargs idx) |
---|
1140 | (when arg-defs |
---|
1141 | (let ((arg (first arg-defs)) |
---|
1142 | (param (first params))) |
---|
1143 | (cons `(,(if (atom arg) arg (first arg)) |
---|
1144 | (,(get-unboxer-fn-sym (jclass-name param)) |
---|
1145 | (nth ,idx ,gargs))) |
---|
1146 | (arg-lets (rest arg-defs) (rest params) gargs (1+ idx)))))) |
---|
1147 | (matching-method (method-name arg-defs methods) |
---|
1148 | (let (match) |
---|
1149 | (loop for method across methods |
---|
1150 | when (method-matches method-name arg-defs method) |
---|
1151 | do |
---|
1152 | (if match |
---|
1153 | (error (format nil "more than one method matches ~A" method-name)) |
---|
1154 | (setf match method))) |
---|
1155 | (or match (error (format nil "no method matches ~A" method-name))))) |
---|
1156 | (method-matches (method-name arg-defs method) |
---|
1157 | (when (string-equal method-name (jmethod-name method)) |
---|
1158 | (let ((params (jmethod-params method))) |
---|
1159 | (when (= (length arg-defs) (length params)) |
---|
1160 | (is-congruent arg-defs params))))) |
---|
1161 | (is-congruent (arg-defs params) |
---|
1162 | (every (lambda (arg param) |
---|
1163 | (or (atom arg) ;no type spec matches anything |
---|
1164 | (jeq (find-java-class-in-macro (second arg)) param))) |
---|
1165 | arg-defs (jarray-to-list params)))) |
---|
1166 | `(java::%jnew-proxy ,@(process-idefs interface-defs))))) |
---|
1167 | |
---|
1168 | |
---|
1169 | #+nil |
---|
1170 | (defun jrc (class-name super-name interfaces constructors methods fields &optional filename) |
---|
1171 | "A friendlier version of jnew-runtime-class." |
---|
1172 | #+nil (format t "~s~%~s~%~s~%~s~%~s~%~s~%" class-name super-name interfaces constructors methods fields filename) |
---|
1173 | (if (java:jruntime-class-exists-p class-name) |
---|
1174 | (progn |
---|
1175 | (warn "Java class ~a already exists. Redefining methods." class-name) |
---|
1176 | (loop for |
---|
1177 | (argument-types function super-invocation-args) in constructors |
---|
1178 | do |
---|
1179 | (java:jredefine-method class-name nil argument-types function)) |
---|
1180 | (loop for |
---|
1181 | (method-name return-type argument-types function &rest modifiers) |
---|
1182 | in methods |
---|
1183 | do |
---|
1184 | (java:jredefine-method class-name method-name argument-types function))) |
---|
1185 | (java:jnew-runtime-class class-name super-name interfaces constructors methods fields filename))) |
---|
1186 | |
---|
1187 | |
---|
1188 | (defun get-modifiers (member) |
---|
1189 | (jcall (jmethod "java.lang.reflect.Member" "getModifiers") member)) |
---|
1190 | |
---|
1191 | (defun get-modifier-list (member) |
---|
1192 | (let ((mods (get-modifiers member))) |
---|
1193 | (loop for (mod . mod-call) in |
---|
1194 | '(("public" . "isPublic") |
---|
1195 | ("protected" . "isProtected") |
---|
1196 | ("private" . "isPrivate") |
---|
1197 | ("static" . "isStatic") |
---|
1198 | ;("abstract" . "isAbstract") |
---|
1199 | ("final" . "isFinal") |
---|
1200 | ("transient" . "isTransient") |
---|
1201 | ("volatile" . "isVolatile") |
---|
1202 | ("synchronized" . "isSynchronized")) |
---|
1203 | when |
---|
1204 | (jstatic (jmethod "java.lang.reflect.Modifier" mod-call "int") |
---|
1205 | "java.lang.reflect.Modifier" |
---|
1206 | mods) |
---|
1207 | collect mod))) |
---|
1208 | |
---|
1209 | |
---|
1210 | (defun get-java-object (x) |
---|
1211 | (typecase x |
---|
1212 | (|java.lang|::object. (ref x)) |
---|
1213 | (t x))) |
---|
1214 | |
---|
1215 | (defun find-java-class-name-in-macro (c) |
---|
1216 | (etypecase c |
---|
1217 | (symbol (jclass-name (find-java-class (symbol-value c)))) |
---|
1218 | (string c))) |
---|
1219 | |
---|
1220 | #+nil |
---|
1221 | (defmacro new-class (class-name super-and-interface-names constructor-defs method-defs field-defs) |
---|
1222 | "class-name -> string |
---|
1223 | super-and-interface-names -> class-name | (class-name interface-name*) |
---|
1224 | constructor-defs -> (constructor-def*) |
---|
1225 | constructor-def -> (ctr-arg-defs body) |
---|
1226 | /the first form in body may be (super arg-name+); this will call the constructor of the superclass |
---|
1227 | with the listed arguments/ |
---|
1228 | ctr-arg-def -> (arg-name arg-type) |
---|
1229 | method-def -> (method-name return-type access-modifiers arg-defs* body) |
---|
1230 | /access-modifiers may be nil (to get the modifiers from the superclass), a keyword, or |
---|
1231 | a list of keywords/ |
---|
1232 | method-name -> string |
---|
1233 | arg-def -> arg-name | (arg-name arg-type) |
---|
1234 | arg-type -> \"package.qualified.ClassName\" | classname. | :primitive |
---|
1235 | class-name -> \"package.qualified.ClassName\" | classname. |
---|
1236 | interface-name -> \"package.qualified.InterfaceName\" | interfacename. |
---|
1237 | |
---|
1238 | Creates, registers and returns a Java object that implements the supplied interfaces" |
---|
1239 | (let ((this (intern "THIS" *package*)) |
---|
1240 | (defined-method-names)) |
---|
1241 | (labels ((process-ctr-def (ctr-def ctrs) |
---|
1242 | (destructuring-bind ((&rest arg-defs) &body body) |
---|
1243 | ctr-def |
---|
1244 | (let ((ctr-param-names |
---|
1245 | (mapcar |
---|
1246 | #'(lambda (arg-def) (find-java-class-name-in-macro (cadr arg-def))) |
---|
1247 | arg-defs)) |
---|
1248 | ;(ctr-param-names (mapcar #'cadr arg-defs)) |
---|
1249 | (gargs (gensym)) |
---|
1250 | (head (car body)) |
---|
1251 | (sia)) |
---|
1252 | (when (and (consp head) (eq (car head) 'super)) |
---|
1253 | (setq sia (mapcar |
---|
1254 | #'(lambda (arg-name) |
---|
1255 | (1+ (position arg-name arg-defs :key #'car))) |
---|
1256 | (cdr head)) |
---|
1257 | body (cdr body))) |
---|
1258 | `(,ctr-param-names |
---|
1259 | (lambda (&rest ,gargs) |
---|
1260 | (let ,(arg-lets (append arg-defs (list this)) |
---|
1261 | (append |
---|
1262 | ctr-param-names |
---|
1263 | (list class-name)) |
---|
1264 | gargs |
---|
1265 | 0) |
---|
1266 | ,@body)) |
---|
1267 | ,sia)))) |
---|
1268 | (process-method-def (method-def methods) |
---|
1269 | (destructuring-bind (method-name return-type modifiers (&rest arg-defs) &body body) |
---|
1270 | method-def |
---|
1271 | (push method-name defined-method-names) |
---|
1272 | (let* ((method (matching-method method-name arg-defs methods)) |
---|
1273 | (method-params |
---|
1274 | (if method |
---|
1275 | (jarray-to-list (jmethod-params method)) |
---|
1276 | (mapcar #'(lambda (arg-def) (find-java-class-in-macro (cadr arg-def))) arg-defs))) |
---|
1277 | (method-param-names |
---|
1278 | #+nil |
---|
1279 | (if method |
---|
1280 | (mapcar #'jclass-name (jarray-to-list method-params)) |
---|
1281 | (mapcar #'cadr arg-defs)) |
---|
1282 | (mapcar #'jclass-name method-params)) |
---|
1283 | (return-type-name |
---|
1284 | (jclass-name |
---|
1285 | (if method (jmethod-return-type method) (find-java-class-in-macro return-type)))) |
---|
1286 | (modifiers |
---|
1287 | #+nil |
---|
1288 | (if method (get-modifier-list method) '("public")) |
---|
1289 | (cond ((and (null modifiers) method) (get-modifier-list method)) |
---|
1290 | ((symbolp modifiers) (list (string-downcase (symbol-name modifiers)))) |
---|
1291 | ((consp modifiers) (mapcar #'(lambda (m) (string-downcase (symbol-name m))) modifiers)) |
---|
1292 | (t (error (format t "Need to provide modifiers for method ~A" method-name))))) |
---|
1293 | (gargs (gensym))) |
---|
1294 | `(,method-name ,return-type-name ,method-param-names |
---|
1295 | (lambda (&rest ,gargs) |
---|
1296 | ;;(,(get-boxer-fn-sym return-type-name) |
---|
1297 | (get-java-object ;;check! |
---|
1298 | (let ,(arg-lets (append arg-defs (list this)) |
---|
1299 | (append |
---|
1300 | method-param-names |
---|
1301 | #+nil (map 'list #'(lambda (p) (jclass-name p)) method-params) |
---|
1302 | (list class-name)) |
---|
1303 | gargs |
---|
1304 | 0) |
---|
1305 | ,@body)) |
---|
1306 | ) |
---|
1307 | ,@modifiers)))) |
---|
1308 | (arg-lets (arg-defs params gargs idx) |
---|
1309 | (when arg-defs |
---|
1310 | (let ((arg (first arg-defs)) |
---|
1311 | (param (first params))) |
---|
1312 | (cons `(,(if (atom arg) arg (first arg)) |
---|
1313 | (,(get-unboxer-fn-sym param) |
---|
1314 | (nth ,idx ,gargs))) |
---|
1315 | (arg-lets (rest arg-defs) (rest params) gargs (1+ idx)))))) |
---|
1316 | (matching-method (method-name arg-defs methods) |
---|
1317 | (let (match) |
---|
1318 | (loop for method across methods |
---|
1319 | when (method-matches method-name arg-defs method) |
---|
1320 | do |
---|
1321 | (if match |
---|
1322 | (error (format nil "more than one method matches ~A" method-name)) |
---|
1323 | (setf match method))) |
---|
1324 | match)) |
---|
1325 | (method-matches (method-name arg-defs method) |
---|
1326 | (when (string-equal method-name (jmethod-name method)) |
---|
1327 | (let ((params (jmethod-params method))) |
---|
1328 | (when (= (length arg-defs) (length params)) |
---|
1329 | (is-congruent arg-defs params))))) |
---|
1330 | (is-congruent (arg-defs params) |
---|
1331 | (every (lambda (arg param) |
---|
1332 | (or (atom arg) ;no type spec matches anything |
---|
1333 | (jeq (find-java-class-in-macro (second arg)) param))) |
---|
1334 | arg-defs (jarray-to-list params)))) |
---|
1335 | (unless (consp super-and-interface-names) |
---|
1336 | (setq super-and-interface-names (list super-and-interface-names))) |
---|
1337 | (let* ((super-name (find-java-class-name-in-macro (car super-and-interface-names))) |
---|
1338 | (interfaces (mapcar #'find-java-class-name-in-macro (cdr super-and-interface-names))) |
---|
1339 | (super (jclass super-name)) |
---|
1340 | (super-ctrs (jclass-constructors super)) |
---|
1341 | (ctrs-ret (loop for ctr-def in constructor-defs collecting |
---|
1342 | (process-ctr-def ctr-def super-ctrs))) |
---|
1343 | (super-methods (jclass-methods super)) |
---|
1344 | (iface-methods |
---|
1345 | (apply #'concatenate 'vector |
---|
1346 | (mapcar #'(lambda (ifn) |
---|
1347 | (jclass-methods (jclass ifn))) |
---|
1348 | interfaces))) |
---|
1349 | (methods-ret (loop for method-def in method-defs collecting |
---|
1350 | (process-method-def |
---|
1351 | method-def |
---|
1352 | (concatenate 'vector super-methods iface-methods))))) |
---|
1353 | ;;check to make sure every function is defined |
---|
1354 | (loop for method across iface-methods |
---|
1355 | for mname = (jmethod-name method) |
---|
1356 | unless (member mname defined-method-names :test #'string-equal) |
---|
1357 | do |
---|
1358 | (warn (format nil "class doesn't define:~%~A" mname))) |
---|
1359 | `(progn |
---|
1360 | (jrc ,class-name ,super-name ,interfaces |
---|
1361 | ',ctrs-ret |
---|
1362 | ',methods-ret |
---|
1363 | (loop for (fn type . mods) in ',field-defs |
---|
1364 | collecting `(,fn ,(find-java-class-name-in-macro type) |
---|
1365 | ,@(mapcar #'(lambda (mod) (string-downcase (symbol-name mod))) mods))) |
---|
1366 | #+nil ,(namestring (merge-pathnames class-name "/tmp/"))) |
---|
1367 | (eval '(def-java-class ,class-name))))))) |
---|
1368 | |
---|
1369 | |
---|