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2026-09-01 06:59:20 +00:00 · 2020-04-22 12:56:21 -04:00
commit 3bf9df6b27
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+/* Define a C preprocessor symbol that can be used in interface files
+   to distinguish between the SWIG language modules. */ 
+
+#define SWIG_UFFI
+
+/* Typespecs for basic types. */
+
+%typemap(ffitype) char ":char";
+%typemap(ffitype) unsigned char ":unsigned-char";
+%typemap(ffitype) signed char ":char";
+%typemap(ffitype) short ":short";
+%typemap(ffitype) signed short ":short";
+%typemap(ffitype) unsigned short ":unsigned-short";
+%typemap(ffitype) int ":int";
+%typemap(ffitype) signed int ":int";
+%typemap(ffitype) unsigned int ":unsigned-int";
+%typemap(ffitype) long ":long";
+%typemap(ffitype) signed long ":long";
+%typemap(ffitype) unsigned long ":unsigned-long";
+%typemap(ffitype) float ":float";
+%typemap(ffitype) double ":double";
+%typemap(ffitype) char * ":cstring";
+%typemap(ffitype) void * ":pointer-void";
+%typemap(ffitype) void ":void";
+
+// FIXME: This is guesswork
+typedef long size_t;
+
+%wrapper %{
+;; $Id: uffi.swg 7358 2005-08-09 15:09:15Z mkoeppe $
+
+(eval-when (compile eval)
+
+;;; You can define your own identifier converter if you want.
+;;; Use the -identifier-converter command line argument to
+;;; specify its name. 
+  
+(defun identifier-convert-null (id &key type)
+  (declare (ignore type))
+  (read-from-string id))
+
+(defun identifier-convert-lispify (cname &key type)
+  (assert (stringp cname))
+  (if (eq type :constant)
+      (setf cname (format nil "*~A*" cname)))
+  (setf cname (replace-regexp cname "_" "-"))
+  (let ((lastcase :other)
+        newcase char res)
+    (dotimes (n (length cname))
+      (setf char (schar cname n))
+      (if* (alpha-char-p char)
+         then
+              (setf newcase (if (upper-case-p char) :upper :lower))
+
+              (when (or (and (eq lastcase :upper) (eq newcase :lower))
+                        (and (eq lastcase :lower) (eq newcase :upper)))
+                ;; case change... add a dash                                    
+                (push #\- res)
+                (setf newcase :other))
+
+              (push (char-downcase char) res)
+
+              (setf lastcase newcase)
+
+         else
+              (push char res)
+              (setf lastcase :other)))
+    (read-from-string (coerce (nreverse res) 'string))))
+
+(defun identifier-convert-low-level (cname &key type)
+  (assert (stringp cname))
+  (if (eq type :constant)
+    (setf cname (format nil "+~A+" cname)))
+  (setf cname (substitute #\- #\_ cname))
+  (if (eq type :operator)
+    (setf cname (format nil "%~A" cname)))
+  (if (eq type :constant-function)
+    nil)
+  (read-from-string cname))
+
+
+
+(defmacro swig-defconstant (string value &key (export T))
+  (let ((symbol (funcall *swig-identifier-converter* string :type :constant)))
+    `(eval-when (compile load eval)
+       (uffi:def-constant ,symbol ,value ,export))))
+
+(defmacro swig-defun (name &rest rest)
+  (let ((symbol (funcall *swig-identifier-converter* name :type :operator)))
+    `(eval-when (compile load eval)
+      (uffi:def-function (,name ,symbol) ,@rest)
+      (export (quote ,symbol)))))
+
+(defmacro swig-def-struct (name &rest fields)
+  "Declare a struct object"
+  (let ((symbol (funcall *swig-identifier-converter* name :type :type)))
+    `(eval-when (compile load eval)
+       (uffi:def-struct ,symbol ,@fields)
+       (export (quote ,symbol)))))
+ 
+
+) ;; eval-when
+%}