1 /**************************************************************************
6 * This file provides type-checked pointer support to Tcl 8.0.
7 **********************************************************************/
9 #if defined(_WIN32) || defined(__WIN32__)
10 # if defined(_MSC_VER)
11 # define SWIGEXPORT(a) __declspec(dllexport) a
13 # if defined(__BORLANDC__)
14 # define SWIGEXPORT(a) a _export
16 # define SWIGEXPORT(a) a
20 # define SWIGEXPORT(a) a
29 #define SWIGSTATICRUNTIME(a) SWIGEXPORT(a)
31 #define SWIGSTATICRUNTIME(a) static a
35 extern void SWIG_SetPointerObj(Tcl_Obj *, void *, char *);
36 extern void SWIG_RegisterMapping(char *, char *, void *(*)(void *));
37 extern char *SWIG_GetPointerObj(Tcl_Interp *, Tcl_Obj *, void **, char *);
38 extern int SWIG_MakePtr(char *, const void *, char *);
39 extern void SWIG_RegisterType();
42 /* These are internal variables. Should be static */
44 typedef struct SwigPtrType {
47 void *(*cast)(void *);
48 struct SwigPtrType *next;
51 /* Pointer cache structure */
54 int stat; /* Status (valid) bit */
55 SwigPtrType *tp; /* Pointer to type structure */
56 char name[256]; /* Given datatype name */
57 char mapped[256]; /* Equivalent name */
60 static int SwigPtrMax = 64; /* Max entries that can be currently held */
61 static int SwigPtrN = 0; /* Current number of entries */
62 static int SwigPtrSort = 0; /* Status flag indicating sort */
63 static int SwigStart[256]; /* Array containing start locations (for searching) */
64 static SwigPtrType *SwigPtrTable = 0; /* Table containing pointer equivalences */
68 #define SWIG_CACHESIZE 8
69 #define SWIG_CACHEMASK 0x7
70 static SwigCacheType SwigCache[SWIG_CACHESIZE];
71 static int SwigCacheIndex = 0;
72 static int SwigLastCache = 0;
74 /* Sort comparison function */
75 static int swigsort(const void *data1, const void *data2) {
76 SwigPtrType *d1 = (SwigPtrType *) data1;
77 SwigPtrType *d2 = (SwigPtrType *) data2;
78 return strcmp(d1->name,d2->name);
81 /* Binary Search function */
82 static int swigcmp(const void *key, const void *data) {
83 char *k = (char *) key;
84 SwigPtrType *d = (SwigPtrType *) data;
85 return strncmp(k,d->name,d->len);
89 /*---------------------------------------------------------------------
90 * SWIG_RegisterMapping(char *origtype, char *newtype, void *(*cast)(void *))
92 * Register a new type-mapping with the type-checking system.
93 *---------------------------------------------------------------------*/
95 SWIGSTATICRUNTIME(void)
96 SWIG_RegisterMapping(char *origtype, char *newtype, void *(*cast)(void *)) {
99 SwigPtrType *t = 0, *t1;
102 SwigPtrTable = (SwigPtrType *) malloc(SwigPtrMax*sizeof(SwigPtrType));
105 if (SwigPtrN >= SwigPtrMax) {
106 SwigPtrMax = 2*SwigPtrMax;
107 SwigPtrTable = (SwigPtrType *) realloc(SwigPtrTable,SwigPtrMax*sizeof(SwigPtrType));
109 for (i = 0; i < SwigPtrN; i++)
110 if (strcmp(SwigPtrTable[i].name,origtype) == 0) {
111 t = &SwigPtrTable[i];
115 t = &SwigPtrTable[SwigPtrN];
117 t->len = strlen(origtype);
123 if (strcmp(t->name,newtype) == 0) {
124 if (cast) t->cast = cast;
129 t1 = (SwigPtrType *) malloc(sizeof(SwigPtrType));
131 t1->len = strlen(newtype);
139 /*---------------------------------------------------------------------
140 * void SWIG_SetPointerObj(Tcl_Obj *objPtr, void *ptr, char *type)
142 * Sets a Tcl object to a pointer value.
143 * ptr = void pointer value
144 * type = string representing type
146 *---------------------------------------------------------------------*/
148 SWIGSTATICRUNTIME(void)
149 SWIG_SetPointerObj(Tcl_Obj *objPtr, void *_ptr, char *type) {
150 static char _hex[16] =
151 {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
152 'a', 'b', 'c', 'd', 'e', 'f'};
153 unsigned long _p, _s;
154 char _result[20], *_r; /* Note : a 64-bit hex number = 16 digits */
157 _p = (unsigned long) _ptr;
166 while (_r >= _result)
169 Tcl_SetStringObj(objPtr,_temp,-1);
171 Tcl_SetStringObj(objPtr,"NULL",-1);
174 Tcl_AppendToObj(objPtr,type,-1);
177 /* This is for backwards compatibility */
179 SWIGSTATICRUNTIME(int)
180 SWIG_MakePtr(char *_c, const void *_ptr, char *type)
182 static char _hex[16] =
183 {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
184 'a', 'b', 'c', 'd', 'e', 'f'};
185 unsigned long _p, _s;
186 char _result[20], *_r;
189 _p = (unsigned long) _ptr;
199 while (_r >= _result)
211 /*---------------------------------------------------------------------
212 * char *SWIG_GetPointerObj(Tcl_Interp *interp, Tcl_Obj *objPtr, void **ptr, char *type)
214 * Attempts to extract a pointer value from our pointer type.
215 * Upon failure, returns a string corresponding to the actual datatype.
216 * Upon success, returns NULL and sets the pointer value in ptr.
217 *---------------------------------------------------------------------*/
219 SWIGSTATICRUNTIME(char *)
220 SWIG_GetPointerObj(Tcl_Interp *interp, Tcl_Obj *objPtr, void **ptr, char *_t) {
226 SwigCacheType *cache;
231 /* Extract the pointer value as a string */
232 _c = Tcl_GetStringFromObj(objPtr, &i);
234 /* Pointer values must start with leading underscore */
237 /* Extract hex value from pointer */
239 if ((*_c >= '0') && (*_c <= '9'))
240 _p = (_p << 4) + (*_c - '0');
241 else if ((*_c >= 'a') && (*_c <= 'f'))
242 _p = (_p << 4) + ((*_c - 'a') + 10);
251 qsort((void *) SwigPtrTable, SwigPtrN, sizeof(SwigPtrType), swigsort);
252 for (i = 0; i < 256; i++) {
253 SwigStart[i] = SwigPtrN;
255 for (i = SwigPtrN-1; i >= 0; i--) {
256 SwigStart[(int) (SwigPtrTable[i].name[1])] = i;
258 for (i = 255; i >= 1; i--) {
259 if (SwigStart[i-1] > SwigStart[i])
260 SwigStart[i-1] = SwigStart[i];
263 for (i = 0; i < SWIG_CACHESIZE; i++)
264 SwigCache[i].stat = 0;
267 /* First check cache for matches. Uses last cache value as starting point */
268 cache = &SwigCache[SwigLastCache];
269 for (i = 0; i < SWIG_CACHESIZE; i++) {
271 if (strcmp(_t,cache->name) == 0) {
272 if (strcmp(_c,cache->mapped) == 0) {
275 if (cache->tp->cast) *ptr = (*(cache->tp->cast))(*ptr);
280 SwigLastCache = (SwigLastCache+1) & SWIG_CACHEMASK;
281 if (!SwigLastCache) cache = SwigCache;
284 /* We have a type mismatch. Will have to look through our type
285 mapping table to figure out whether or not we can accept this datatype */
287 start = SwigStart[(int) _t[1]];
288 end = SwigStart[(int) _t[1]+1];
289 sp = &SwigPtrTable[start];
290 while (start < end) {
291 if (swigcmp(_t,sp) == 0) break;
295 if (start > end) sp = 0;
296 /* Try to find a match for this */
297 while (start <= end) {
298 if (swigcmp(_t,sp) == 0) {
302 /* Try to find entry for our given datatype */
304 if (tp->len >= 255) {
307 strcpy(temp_type,tp->name);
308 strncat(temp_type,_t+len,255-tp->len);
309 if (strcmp(_c,temp_type) == 0) {
311 strcpy(SwigCache[SwigCacheIndex].mapped,_c);
312 strcpy(SwigCache[SwigCacheIndex].name,_t);
313 SwigCache[SwigCacheIndex].stat = 1;
314 SwigCache[SwigCacheIndex].tp = tp;
315 SwigCacheIndex = SwigCacheIndex & SWIG_CACHEMASK;
317 /* Get pointer value */
319 if (tp->cast) *ptr = (*(tp->cast))(*ptr);
328 /* Didn't find any sort of match for this data.
329 Get the pointer value and return the received type */
333 /* Found a match on the first try. Return pointer value */
338 /* No type specified. Good luck */
343 if (strcmp (_c, "NULL") == 0) {
352 /*---------------------------------------------------------------------
353 * void SWIG_RegisterType()
355 * Registers our new datatype with an interpreter.
356 *---------------------------------------------------------------------*/
358 SWIGSTATICRUNTIME(void)
359 SWIG_RegisterType() {
360 /* Does nothing at the moment */