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1 | ;; Common Lisp bindings for GTK+ v2.0 |
2 | ;; Copyright (C) 1999-2000 Espen S. Johnsen <espejohn@online.no> |
3 | ;; |
4 | ;; This library is free software; you can redistribute it and/or |
5 | ;; modify it under the terms of the GNU Lesser General Public |
6 | ;; License as published by the Free Software Foundation; either |
7 | ;; version 2 of the License, or (at your option) any later version. |
8 | ;; |
9 | ;; This library is distributed in the hope that it will be useful, |
10 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | ;; Lesser General Public License for more details. |
13 | ;; |
14 | ;; You should have received a copy of the GNU Lesser General Public |
15 | ;; License along with this library; if not, write to the Free Software |
16 | ;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
17 | |
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18 | ;; $Id: gutils.lisp,v 1.7 2001-05-20 23:10:36 espen Exp $ |
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19 | |
20 | |
21 | (in-package "KERNEL") |
22 | |
23 | (defun type-expand-1 (form) |
24 | (let ((def (cond ((symbolp form) |
25 | (info type expander form)) |
26 | ((and (consp form) (symbolp (car form))) |
27 | (info type expander (car form))) |
28 | (t nil)))) |
29 | (if def |
30 | (values (funcall def (if (consp form) form (list form))) t) |
31 | (values form nil)))) |
32 | |
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33 | (in-package "PCL") |
34 | |
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35 | ;;;; Make PCL's class finalization protocol behave as specified in AMOP |
36 | |
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37 | (defmethod finalize-inheritance ((class std-class)) |
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38 | (dolist (super (class-direct-superclasses class)) |
39 | (unless (class-finalized-p super) (finalize-inheritance super))) |
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40 | (update-cpl class (compute-class-precedence-list class)) |
41 | (update-slots class (compute-slots class)) |
42 | (update-gfs-of-class class) |
43 | (update-inits class (compute-default-initargs class)) |
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44 | (update-make-instance-function-table class)) |
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45 | |
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46 | (defmethod finalize-inheritance ((class forward-referenced-class)) |
47 | (error "~A can't be finalized" class)) |
48 | |
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49 | (defun update-class (class &optional finalizep) |
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50 | (declare (ignore finalizep)) |
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51 | (when (and |
52 | (class-finalized-p class) |
53 | (not (class-has-a-forward-referenced-superclass-p class))) |
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54 | (finalize-inheritance class) |
55 | (dolist (sub (class-direct-subclasses class)) |
56 | (update-class sub)))) |
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57 | |
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58 | (defmethod add-method :before ((gf standard-generic-function) |
59 | (method standard-method)) |
60 | (declare (ignore gf)) |
61 | (dolist (specializer (method-specializers method)) |
62 | (when (and |
63 | (typep specializer 'standard-class) |
64 | (not (class-finalized-p specializer)) |
65 | (not (class-has-a-forward-referenced-superclass-p specializer))) |
66 | (finalize-inheritance specializer)))) |
67 | |
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68 | |
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69 | (in-package "GLIB") |
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70 | |
71 | (defun type-expand-to (type form) |
72 | (labels ((expand (form0) |
73 | (if (eq (first (mklist form0)) type) |
74 | form0 |
75 | (multiple-value-bind (expanded-form expanded-p) |
76 | (type-expand-1 form0) |
77 | (if expanded-p |
78 | (expand expanded-form) |
79 | (error "~A can not be expanded to ~A" form type)))))) |
80 | (expand form))) |
81 | |
82 | (defmacro with-gc-disabled (&body body) |
83 | (let ((gc-inhibit (make-symbol "GC-INHIBIT"))) |
84 | `(progn |
85 | (let ((,gc-inhibit lisp::*gc-inhibit*)) |
86 | (ext:gc-off) |
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87 | (unwind-protect |
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88 | ,@body |
89 | (unless ,gc-inhibit |
90 | (ext:gc-on))))))) |
91 | |
92 | (defun mklist (obj) |
93 | (if (atom obj) (list obj) obj)) |
94 | |
95 | (defun namep (obj) |
96 | (and (symbolp obj) (not (member obj '(t nil))))) |
97 | |
98 | (defun all-equal (&rest objects) |
99 | (or |
100 | (null objects) |
101 | (null (rest objects)) |
102 | (and |
103 | (equal (first objects) (second objects)) |
104 | (apply #'all-equal (rest objects))))) |
105 | |
106 | (defun neq (obj1 obj2) |
107 | (not (eq obj1 obj2))) |
108 | |
109 | (defmacro return-if (form) |
110 | (let ((result (make-symbol "RESULT"))) |
111 | `(let ((,result ,form)) |
112 | (when ,result |
113 | (return ,result))))) |
114 | |
115 | (defun make-pointer (address) |
116 | (int-sap address)) |
117 | |
118 | (defun null-pointer-p (pointer) |
119 | (zerop (sap-int pointer))) |
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120 | |
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121 | |
122 | (defmacro when-bind ((var expr) &body body) |
123 | `(let ((,var ,expr)) |
124 | (when ,var |
125 | ,@body))) |
126 | |
127 | |
128 | (defmacro assoc-ref (key alist &key (test #'eq)) |
129 | `(cdr (assoc ,key ,alist :test ,test))) |
130 | |
131 | |
132 | (defmacro assoc-lref (key alist &key (test #'eq)) |
133 | `(cadr (assoc ,key ,alist :test ,test))) |
134 | |
135 | |
136 | (defun assoc-rem (key alist &key (test #'eq)) |
137 | (remove-if #'(lambda (element) (funcall test key (car element))) alist)) |
138 | |
139 | |
140 | (defun assoc-delete (key alist &key (test #'eq)) |
141 | (delete-if #'(lambda (element) (funcall test key (car element))) alist)) |
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142 | |
143 | |
144 | (defun funcallable (object) |
145 | (if (consp object) |
146 | (fdefinition object) |
147 | object)) |
148 | |
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149 | (defun intersection-p (list1 list2 &key (test #'eq)) |
150 | (dolist (obj list1 nil) |
151 | (when (member obj list2 :test test) |
152 | (return-from intersection-p t)))) |
153 | |
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154 | |
155 | (defun split-string (string delimiter) |
156 | (declare (simple-string string) (character delimiter)) |
157 | (check-type string string) |
158 | (check-type delimiter character) |
159 | (let ((pos (position delimiter string))) |
160 | (if (not pos) |
161 | (list string) |
162 | (cons |
163 | (subseq string 0 pos) |
164 | (split-string (subseq string (1+ pos)) delimiter))))) |
165 | |
166 | (defun split-string-if (string predicate) |
167 | (declare (simple-string string)) |
168 | (check-type string string) |
169 | (check-type predicate (or symbol function)) |
170 | (let ((pos (position-if predicate string :start 1))) |
171 | (if (not pos) |
172 | (list string) |
173 | (cons |
174 | (subseq string 0 pos) |
175 | (split-string-if (subseq string pos) predicate))))) |
176 | |
177 | (defun concatenate-strings (strings &optional delimiter) |
178 | (if (not (rest strings)) |
179 | (first strings) |
180 | (concatenate |
181 | 'string |
182 | (first strings) |
183 | (if delimiter (string delimiter) "") |
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184 | (concatenate-strings (rest strings) delimiter)))) |
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185 | |
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186 | (defun string-prefix-p (prefix string) |
187 | (and |
188 | (>= (length string) (length prefix)) |
189 | (string= prefix string :end2 (length prefix)))) |