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1 | /* typemaps.i --- guile-specific typemaps -*- c -*- |
2 | Copyright (C) 2000 Matthias Koeppe <mkoeppe@mail.math.uni-magdeburg.de> | |
3 | ||
4 | $Header: /cvsroot/swig/SWIG/Lib/guile/typemaps.i,v 1.31 2005/09/26 21:46:23 mkoeppe Exp $ */ | |
5 | ||
6 | /* Pointers */ | |
7 | ||
8 | %typemap(in) SWIGTYPE *, SWIGTYPE &, SWIGTYPE [] { | |
9 | $1 = ($1_ltype)SWIG_MustGetPtr($input, $descriptor, $argnum, 0); | |
10 | } | |
11 | %typemap(freearg) SWIGTYPE *, SWIGTYPE &, SWIGTYPE [] ""; | |
12 | ||
13 | %typemap(in) void * { | |
14 | $1 = SWIG_MustGetPtr($input, NULL, $argnum, 0); | |
15 | } | |
16 | %typemap(freearg) void * ""; | |
17 | ||
18 | %typemap(varin) SWIGTYPE * { | |
19 | $1 = ($1_ltype)SWIG_MustGetPtr($input, $descriptor, 1, 0); | |
20 | } | |
21 | ||
22 | %typemap(varin) SWIGTYPE & { | |
23 | $1 = *(($1_ltype)SWIG_MustGetPtr($input, $descriptor, 1, 0)); | |
24 | } | |
25 | ||
26 | %typemap(varin) SWIGTYPE [] { | |
27 | scm_wrong_type_arg((char *) FUNC_NAME, 1, $input); | |
28 | } | |
29 | ||
30 | %typemap(varin) SWIGTYPE [ANY] { | |
31 | void *temp; | |
32 | int ii; | |
33 | $1_basetype *b = 0; | |
34 | temp = SWIG_MustGetPtr($input, $1_descriptor, 1, 0); | |
35 | b = ($1_basetype *) $1; | |
36 | for (ii = 0; ii < $1_size; ii++) b[ii] = *(($1_basetype *) temp + ii); | |
37 | } | |
38 | ||
39 | %typemap(varin) void * { | |
40 | $1 = SWIG_MustGetPtr($input, NULL, 1, 0); | |
41 | } | |
42 | ||
43 | %typemap(out) SWIGTYPE *, SWIGTYPE &, SWIGTYPE [] { | |
44 | $result = SWIG_NewPointerObj ($1, $descriptor, $owner); | |
45 | } | |
46 | ||
47 | %typemap(out) SWIGTYPE *DYNAMIC, SWIGTYPE &DYNAMIC { | |
48 | swig_type_info *ty = SWIG_TypeDynamicCast($1_descriptor,(void **) &$1); | |
49 | $result = SWIG_NewPointerObj ($1, ty, $owner); | |
50 | } | |
51 | ||
52 | %typemap(varout) SWIGTYPE *, SWIGTYPE [] { | |
53 | $result = SWIG_NewPointerObj ($1, $descriptor, 0); | |
54 | } | |
55 | ||
56 | %typemap(varout) SWIGTYPE & { | |
57 | $result = SWIG_NewPointerObj((void *) &$1, $1_descriptor, 0); | |
58 | } | |
59 | ||
60 | %typemap(throws) SWIGTYPE { | |
61 | $<ype temp = new $ltype($1); | |
62 | scm_throw(gh_symbol2scm((char *) "swig-exception"), | |
63 | gh_list(SWIG_NewPointerObj(temp, $&descriptor, 1), | |
64 | SCM_UNDEFINED)); | |
65 | } | |
66 | ||
67 | %typemap(throws) SWIGTYPE & { | |
68 | scm_throw(gh_symbol2scm((char *) "swig-exception"), | |
69 | gh_list(SWIG_NewPointerObj(&$1, $descriptor, 1), | |
70 | SCM_UNDEFINED)); | |
71 | } | |
72 | ||
73 | %typemap(throws) SWIGTYPE * { | |
74 | scm_throw(gh_symbol2scm((char *) "swig-exception"), | |
75 | gh_list(SWIG_NewPointerObj($1, $descriptor, 1), | |
76 | SCM_UNDEFINED)); | |
77 | } | |
78 | ||
79 | %typemap(throws) SWIGTYPE [] { | |
80 | scm_throw(gh_symbol2scm((char *) "swig-exception"), | |
81 | gh_list(SWIG_NewPointerObj($1, $descriptor, 1), | |
82 | SCM_UNDEFINED)); | |
83 | } | |
84 | ||
85 | /* Change of object ownership, and interaction of destructor-like functions and the | |
86 | garbage-collector */ | |
87 | ||
88 | %typemap(in, doc="$NAME is of type <$type> and gets destroyed by the function") SWIGTYPE *DESTROYED { | |
89 | $1 = ($1_ltype)SWIG_MustGetPtr($input, $descriptor, $argnum, 0); | |
90 | } | |
91 | ||
92 | %typemap(freearg) SWIGTYPE *DESTROYED { | |
93 | SWIG_Guile_MarkPointerDestroyed($input); | |
94 | } | |
95 | ||
96 | %typemap(in, doc="$NAME is of type <$type> and is consumed by the function") SWIGTYPE *CONSUMED { | |
97 | $1 = ($1_ltype)SWIG_MustGetPtr($input, $descriptor, $argnum, 0); | |
98 | SWIG_Guile_MarkPointerNoncollectable($input); | |
99 | } | |
100 | ||
101 | /* Pass-by-value */ | |
102 | ||
103 | %typemap(in) SWIGTYPE($&1_ltype argp) { | |
104 | argp = ($&1_ltype)SWIG_MustGetPtr($input, $&1_descriptor, $argnum, 0); | |
105 | $1 = *argp; | |
106 | } | |
107 | ||
108 | %typemap(varin) SWIGTYPE { | |
109 | $&1_ltype argp; | |
110 | argp = ($&1_ltype)SWIG_MustGetPtr($input, $&1_descriptor, 1, 0); | |
111 | $1 = *argp; | |
112 | } | |
113 | ||
114 | %typemap(out) SWIGTYPE | |
115 | #ifdef __cplusplus | |
116 | { | |
117 | $&1_ltype resultptr; | |
118 | resultptr = new $1_ltype(($1_ltype &) $1); | |
119 | $result = SWIG_NewPointerObj (resultptr, $&1_descriptor, 1); | |
120 | } | |
121 | #else | |
122 | { | |
123 | $&1_ltype resultptr; | |
124 | resultptr = ($&1_ltype) malloc(sizeof($1_type)); | |
125 | memmove(resultptr, &$1, sizeof($1_type)); | |
126 | $result = SWIG_NewPointerObj(resultptr, $&1_descriptor, 1); | |
127 | } | |
128 | #endif | |
129 | ||
130 | %typemap(varout) SWIGTYPE | |
131 | #ifdef __cplusplus | |
132 | { | |
133 | $&1_ltype resultptr; | |
134 | resultptr = new $1_ltype(($1_ltype&) $1); | |
135 | $result = SWIG_NewPointerObj (resultptr, $&1_descriptor, 0); | |
136 | } | |
137 | #else | |
138 | { | |
139 | $&1_ltype resultptr; | |
140 | resultptr = ($&1_ltype) malloc(sizeof($1_type)); | |
141 | memmove(resultptr, &$1, sizeof($1_type)); | |
142 | $result = SWIG_NewPointerObj(resultptr, $&1_descriptor, 0); | |
143 | } | |
144 | #endif | |
145 | ||
146 | /* Enums */ | |
147 | ||
148 | %typemap(in) enum SWIGTYPE { $1 = ($1_type) gh_scm2int($input); } | |
149 | /* The complicated construction below needed to deal with anonymous | |
150 | enums, which cannot be cast to. */ | |
151 | %typemap(varin) enum SWIGTYPE { | |
152 | if (sizeof(int) != sizeof($1)) { | |
153 | scm_error(scm_str2symbol("swig-error"), | |
154 | (char *) FUNC_NAME, | |
155 | (char *) "enum variable '$name' cannot be set", | |
156 | SCM_EOL, SCM_BOOL_F); | |
157 | } | |
158 | * (int *) &($1) = gh_scm2int($input); | |
159 | } | |
160 | %typemap(out) enum SWIGTYPE { $result = gh_int2scm($1); } | |
161 | %typemap(varout) enum SWIGTYPE { $result = gh_int2scm($1); } | |
162 | %typemap(throws) enum SWIGTYPE { | |
163 | scm_throw(gh_symbol2scm((char *) "swig-exception"), | |
164 | gh_list(gh_int2scm($1), SCM_UNDEFINED)); | |
165 | } | |
166 | ||
167 | /* The SIMPLE_MAP_WITH_EXPR macro below defines the whole set of | |
168 | typemaps needed for simple types. | |
169 | -- SCM_TO_C_EXPR is a C expression that translates the Scheme value | |
170 | "swig_scm_value" to a C value. | |
171 | -- C_TO_SCM_EXPR is a C expression that translates the C value | |
172 | "swig_c_value" to a Scheme value. */ | |
173 | ||
174 | %define SIMPLE_MAP_WITH_EXPR(C_NAME, SCM_TO_C_EXPR, C_TO_SCM_EXPR, SCM_NAME) | |
175 | %typemap (in, doc="$NAME is of type <" #SCM_NAME ">") C_NAME | |
176 | { SCM swig_scm_value = $input; | |
177 | $1 = SCM_TO_C_EXPR; } | |
178 | %typemap (varin, doc="NEW-VALUE is of type <" #SCM_NAME ">") C_NAME | |
179 | { SCM swig_scm_value = $input; | |
180 | $1 = SCM_TO_C_EXPR; } | |
181 | %typemap (out, doc="<" #SCM_NAME ">") C_NAME | |
182 | { C_NAME swig_c_value = $1; | |
183 | $result = C_TO_SCM_EXPR; } | |
184 | %typemap (varout, doc="<" #SCM_NAME ">") C_NAME | |
185 | { C_NAME swig_c_value = $1; | |
186 | $result = C_TO_SCM_EXPR; } | |
187 | /* INPUT and OUTPUT */ | |
188 | %typemap (in, doc="$NAME is of type <" #SCM_NAME ">)") | |
189 | C_NAME *INPUT(C_NAME temp) { | |
190 | SCM swig_scm_value = $input; | |
191 | temp = (C_NAME) SCM_TO_C_EXPR; $1 = &temp; } | |
192 | %typemap (in,numinputs=0) C_NAME *OUTPUT (C_NAME temp) | |
193 | {$1 = &temp;} | |
194 | %typemap (argout,doc="$name (of type <" #SCM_NAME ">)") C_NAME *OUTPUT | |
195 | { C_NAME swig_c_value = *$1; | |
196 | SWIG_APPEND_VALUE(C_TO_SCM_EXPR); } | |
197 | %typemap (in) C_NAME *BOTH = C_NAME *INPUT; | |
198 | %typemap (argout) C_NAME *BOTH = C_NAME *OUTPUT; | |
199 | %typemap (in) C_NAME *INOUT = C_NAME *INPUT; | |
200 | %typemap (argout) C_NAME *INOUT = C_NAME *OUTPUT; | |
201 | /* Const primitive references. Passed by value */ | |
202 | %typemap(in, doc="$NAME is of type <" #SCM_NAME ">") const C_NAME & (C_NAME temp) | |
203 | { SCM swig_scm_value = $input; | |
204 | temp = SCM_TO_C_EXPR; | |
205 | $1 = &temp; } | |
206 | %typemap(out, doc="<" #SCM_NAME ">") const C_NAME & | |
207 | { C_NAME swig_c_value = *$1; | |
208 | $result = C_TO_SCM_EXPR; } | |
209 | /* Throw typemap */ | |
210 | %typemap(throws) C_NAME { | |
211 | C_NAME swig_c_value = $1; | |
212 | scm_throw(gh_symbol2scm((char *) "swig-exception"), | |
213 | gh_list(C_TO_SCM_EXPR, SCM_UNDEFINED)); | |
214 | } | |
215 | %enddef | |
216 | ||
217 | /* The SIMPLE_MAP macro below defines the whole set of typemaps needed | |
218 | for simple types. It generates slightly simpler code than the | |
219 | macro above, but it is only suitable for very simple conversion | |
220 | expressions. */ | |
221 | ||
222 | %define SIMPLE_MAP(C_NAME, SCM_TO_C, C_TO_SCM, SCM_NAME) | |
223 | %typemap (in, doc="$NAME is of type <" #SCM_NAME ">") | |
224 | C_NAME {$1 = SCM_TO_C($input);} | |
225 | %typemap (varin, doc="NEW-VALUE is of type <" #SCM_NAME ">") | |
226 | C_NAME {$1 = SCM_TO_C($input);} | |
227 | %typemap (out, doc="<" #SCM_NAME ">") | |
228 | C_NAME {$result = C_TO_SCM($1);} | |
229 | %typemap (varout, doc="<" #SCM_NAME ">") | |
230 | C_NAME {$result = C_TO_SCM($1);} | |
231 | /* INPUT and OUTPUT */ | |
232 | %typemap (in, doc="$NAME is of type <" #SCM_NAME ">)") | |
233 | C_NAME *INPUT(C_NAME temp), C_NAME &INPUT(C_NAME temp) { | |
234 | temp = (C_NAME) SCM_TO_C($input); $1 = &temp; | |
235 | } | |
236 | %typemap (in,numinputs=0) C_NAME *OUTPUT (C_NAME temp), C_NAME &OUTPUT(C_NAME temp) | |
237 | {$1 = &temp;} | |
238 | %typemap (argout,doc="$name (of type <" #SCM_NAME ">)") C_NAME *OUTPUT, C_NAME &OUTPUT | |
239 | {SWIG_APPEND_VALUE(C_TO_SCM(*$1));} | |
240 | %typemap (in) C_NAME *BOTH = C_NAME *INPUT; | |
241 | %typemap (argout) C_NAME *BOTH = C_NAME *OUTPUT; | |
242 | %typemap (in) C_NAME *INOUT = C_NAME *INPUT; | |
243 | %typemap (argout) C_NAME *INOUT = C_NAME *OUTPUT; | |
244 | %typemap (in) C_NAME &INOUT = C_NAME &INPUT; | |
245 | %typemap (argout) C_NAME &INOUT = C_NAME &OUTPUT; | |
246 | /* Const primitive references. Passed by value */ | |
247 | %typemap(in, doc="$NAME is of type <" #SCM_NAME ">") const C_NAME & (C_NAME temp) { | |
248 | temp = SCM_TO_C($input); | |
249 | $1 = &temp; | |
250 | } | |
251 | %typemap(out, doc="<" #SCM_NAME ">") const C_NAME & { | |
252 | $result = C_TO_SCM(*$1); | |
253 | } | |
254 | /* Throw typemap */ | |
255 | %typemap(throws) C_NAME { | |
256 | scm_throw(gh_symbol2scm((char *) "swig-exception"), | |
257 | gh_list(C_TO_SCM($1), SCM_UNDEFINED)); | |
258 | } | |
259 | %enddef | |
260 | ||
261 | SIMPLE_MAP(bool, gh_scm2bool, gh_bool2scm, boolean); | |
262 | SIMPLE_MAP(char, gh_scm2char, gh_char2scm, char); | |
263 | SIMPLE_MAP(unsigned char, gh_scm2char, gh_char2scm, char); | |
264 | SIMPLE_MAP(signed char, gh_scm2char, gh_char2scm, char); | |
265 | SIMPLE_MAP(int, gh_scm2int, gh_int2scm, integer); | |
266 | SIMPLE_MAP(short, gh_scm2int, gh_int2scm, integer); | |
267 | SIMPLE_MAP(long, gh_scm2long, gh_long2scm, integer); | |
268 | SIMPLE_MAP(ptrdiff_t, gh_scm2long, gh_long2scm, integer); | |
269 | SIMPLE_MAP(unsigned int, gh_scm2ulong, gh_ulong2scm, integer); | |
270 | SIMPLE_MAP(unsigned short, gh_scm2ulong, gh_ulong2scm, integer); | |
271 | SIMPLE_MAP(unsigned long, gh_scm2ulong, gh_ulong2scm, integer); | |
272 | SIMPLE_MAP(size_t, gh_scm2ulong, gh_ulong2scm, integer); | |
273 | SIMPLE_MAP(float, gh_scm2double, gh_double2scm, real); | |
274 | SIMPLE_MAP(double, gh_scm2double, gh_double2scm, real); | |
275 | // SIMPLE_MAP(char *, SWIG_scm2str, gh_str02scm, string); | |
276 | // SIMPLE_MAP(const char *, SWIG_scm2str, gh_str02scm, string); | |
277 | ||
278 | /* Strings */ | |
279 | ||
280 | %typemap (in, doc="$NAME is a string") char *(int must_free = 0) { | |
281 | $1 = SWIG_scm2str($input); | |
282 | must_free = 1; | |
283 | } | |
284 | %typemap (varin, doc="NEW-VALUE is a string") char * {$1 = SWIG_scm2str($input);} | |
285 | %typemap (out, doc="<string>") char * {$result = gh_str02scm($1);} | |
286 | %typemap (varout, doc="<string>") char * {$result = gh_str02scm($1);} | |
287 | %typemap (in, doc="$NAME is a string") char * *INPUT(char * temp, int must_free = 0) { | |
288 | temp = (char *) SWIG_scm2str($input); $1 = &temp; | |
289 | must_free = 1; | |
290 | } | |
291 | %typemap (in,numinputs=0) char * *OUTPUT (char * temp) | |
292 | {$1 = &temp;} | |
293 | %typemap (argout,doc="$NAME (a string)") char * *OUTPUT | |
294 | {SWIG_APPEND_VALUE(gh_str02scm(*$1));} | |
295 | %typemap (in) char * *BOTH = char * *INPUT; | |
296 | %typemap (argout) char * *BOTH = char * *OUTPUT; | |
297 | %typemap (in) char * *INOUT = char * *INPUT; | |
298 | %typemap (argout) char * *INOUT = char * *OUTPUT; | |
299 | ||
300 | /* SWIG_scm2str makes a malloc'ed copy of the string, so get rid of it after | |
301 | the function call. */ | |
302 | ||
303 | %typemap (freearg) char * "if (must_free$argnum && $1) SWIG_free($1);"; | |
304 | %typemap (freearg) char **INPUT, char **BOTH "if (must_free$argnum && (*$1)) SWIG_free(*$1);" | |
305 | %typemap (freearg) char **OUTPUT "SWIG_free(*$1);" | |
306 | ||
307 | /* But this shall not apply if we try to pass a single char by | |
308 | reference. */ | |
309 | ||
310 | %typemap (freearg) char *OUTPUT, char *BOTH ""; | |
311 | ||
312 | /* If we set a string variable, delete the old result first, unless const. */ | |
313 | ||
314 | %typemap (varin) char * { | |
315 | if ($1) free($1); | |
316 | $1 = SWIG_scm2str($input); | |
317 | } | |
318 | ||
319 | %typemap (varin) const char * { | |
320 | $1 = SWIG_scm2str($input); | |
321 | } | |
322 | ||
323 | %typemap(throws) char * { | |
324 | scm_throw(gh_symbol2scm((char *) "swig-exception"), | |
325 | gh_list(gh_str02scm($1), SCM_UNDEFINED)); | |
326 | } | |
327 | ||
328 | /* Void */ | |
329 | ||
330 | %typemap (out,doc="") void "gswig_result = SCM_UNSPECIFIED;"; | |
331 | ||
332 | /* SCM is passed through */ | |
333 | ||
334 | typedef unsigned long SCM; | |
335 | %typemap (in) SCM "$1=$input;"; | |
336 | %typemap (out) SCM "$result=$1;"; | |
337 | %typecheck(SWIG_TYPECHECK_POINTER) SCM "$1=1;"; | |
338 | ||
339 | /* ------------------------------------------------------------ | |
340 | * String & length | |
341 | * ------------------------------------------------------------ */ | |
342 | ||
343 | %typemap(in) (char *STRING, int LENGTH) { | |
344 | size_t temp; | |
345 | $1 = ($1_ltype) gh_scm2newstr($input, &temp); | |
346 | $2 = ($2_ltype) temp; | |
347 | } | |
348 | ||
349 | /* ------------------------------------------------------------ | |
350 | * Typechecking rules | |
351 | * ------------------------------------------------------------ */ | |
352 | ||
353 | /* adapted from python.swg */ | |
354 | ||
355 | %typecheck(SWIG_TYPECHECK_INTEGER) | |
356 | int, short, long, | |
357 | unsigned int, unsigned short, unsigned long, | |
358 | signed char, unsigned char, | |
359 | long long, unsigned long long, | |
360 | size_t, ptrdiff_t, | |
361 | std::size_t, std::ptrdiff_t, | |
362 | const int &, const short &, const long &, | |
363 | const unsigned int &, const unsigned short &, const unsigned long &, | |
364 | const long long &, const unsigned long long &, | |
365 | const size_t &, const ptrdiff_t &, | |
366 | const std::size_t &, const std::ptrdiff_t &, | |
367 | enum SWIGTYPE | |
368 | { | |
369 | $1 = SCM_NFALSEP(scm_integer_p($input)) ? 1 : 0; | |
370 | } | |
371 | ||
372 | %typecheck(SWIG_TYPECHECK_BOOL) | |
373 | bool, bool&, const bool& | |
374 | { | |
375 | $1 = SCM_BOOLP($input) ? 1 : 0; | |
376 | } | |
377 | ||
378 | %typecheck(SWIG_TYPECHECK_DOUBLE) | |
379 | float, double, | |
380 | const float &, const double & | |
381 | { | |
382 | $1 = SCM_NFALSEP(scm_real_p($input)) ? 1 : 0; | |
383 | } | |
384 | ||
385 | %typecheck(SWIG_TYPECHECK_CHAR) char { | |
386 | $1 = SCM_CHARP($input) ? 1 : 0; | |
387 | } | |
388 | ||
389 | %typecheck(SWIG_TYPECHECK_STRING) char * { | |
390 | $1 = SCM_STRINGP($input) ? 1 : 0; | |
391 | } | |
392 | ||
393 | %typecheck(SWIG_TYPECHECK_POINTER) SWIGTYPE *, SWIGTYPE &, SWIGTYPE [] { | |
394 | void *ptr; | |
395 | $1 = !SWIG_ConvertPtr($input, &ptr, $1_descriptor, 0); | |
396 | } | |
397 | ||
398 | %typecheck(SWIG_TYPECHECK_POINTER) SWIGTYPE { | |
399 | void *ptr; | |
400 | $1 = !SWIG_ConvertPtr($input, &ptr, $&descriptor, 0); | |
401 | } | |
402 | ||
403 | %typecheck(SWIG_TYPECHECK_VOIDPTR) void * { | |
404 | void *ptr; | |
405 | $1 = !SWIG_ConvertPtr($input, &ptr, 0, 0); | |
406 | } | |
407 | ||
408 | /* typemaps.i ends here */ |