| 1 | /* typemaps.i --- ocaml typemaps -*- c -*- |
| 2 | Ocaml conversion by Art Yerkes, modified from mzscheme/typemaps.i |
| 3 | Copyright 2000, 2001 Matthias Koeppe <mkoeppe@mail.math.uni-magdeburg.de> |
| 4 | Based on code written by Oleg Tolmatcev. |
| 5 | |
| 6 | $Id: typemaps.i,v 1.20 2004/11/04 04:17:00 arty Exp $ |
| 7 | */ |
| 8 | |
| 9 | /* The Ocaml module handles all types uniformly via typemaps. Here |
| 10 | are the definitions. */ |
| 11 | |
| 12 | /* Pointers */ |
| 13 | |
| 14 | %typemap(in) void "" |
| 15 | |
| 16 | %typemap(out) void "$result = Val_int(0);" |
| 17 | |
| 18 | %typemap(in) void * { |
| 19 | $1 = caml_ptr_val($input,$descriptor); |
| 20 | } |
| 21 | |
| 22 | %typemap(varin) void * { |
| 23 | $1 = ($ltype)caml_ptr_val($input,$descriptor); |
| 24 | } |
| 25 | |
| 26 | %typemap(out) void * { |
| 27 | $result = caml_val_ptr($1,$descriptor); |
| 28 | } |
| 29 | |
| 30 | %typemap(varout) void * { |
| 31 | $result = caml_val_ptr($1,$descriptor); |
| 32 | } |
| 33 | |
| 34 | #ifdef __cplusplus |
| 35 | |
| 36 | %typemap(in) SWIGTYPE & { |
| 37 | /* %typemap(in) SWIGTYPE & */ |
| 38 | $1 = ($ltype) caml_ptr_val($input,$1_descriptor); |
| 39 | } |
| 40 | |
| 41 | %typemap(varin) SWIGTYPE & { |
| 42 | /* %typemap(varin) SWIGTYPE & */ |
| 43 | $1 = *(($ltype) caml_ptr_val($input,$1_descriptor)); |
| 44 | } |
| 45 | |
| 46 | %typemap(out) SWIGTYPE & { |
| 47 | /* %typemap(out) SWIGTYPE & */ |
| 48 | CAML_VALUE *fromval = caml_named_value("create_$ntype_from_ptr"); |
| 49 | if( fromval ) { |
| 50 | $result = callback(*fromval,caml_val_ptr((void *) &$1,$1_descriptor)); |
| 51 | } else { |
| 52 | $result = caml_val_ptr ((void *) &$1,$1_descriptor); |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | #if 0 |
| 57 | %typemap(argout) SWIGTYPE & { |
| 58 | CAML_VALUE *fromval = caml_named_value("create_$ntype_from_ptr"); |
| 59 | if( fromval ) { |
| 60 | swig_result = |
| 61 | caml_list_append(swig_result, |
| 62 | callback(*fromval,caml_val_ptr((void *) $1, |
| 63 | $1_descriptor))); |
| 64 | } else { |
| 65 | swig_result = |
| 66 | caml_list_append(swig_result, |
| 67 | caml_val_ptr ((void *) $1,$1_descriptor)); |
| 68 | } |
| 69 | } |
| 70 | #endif |
| 71 | |
| 72 | %typemap(argout) const SWIGTYPE & { } |
| 73 | |
| 74 | %typemap(in) SWIGTYPE { |
| 75 | $1 = *(($&1_ltype) caml_ptr_val($input,$&1_descriptor)) ; |
| 76 | } |
| 77 | |
| 78 | %typemap(out) SWIGTYPE { |
| 79 | /* %typemap(out) SWIGTYPE */ |
| 80 | $&1_ltype temp = new $ltype(($1_ltype &) $1); |
| 81 | CAML_VALUE *fromval = caml_named_value("create_$ntype_from_ptr"); |
| 82 | if( fromval ) { |
| 83 | $result = callback(*fromval,caml_val_ptr((void *)temp,$&1_descriptor)); |
| 84 | } else { |
| 85 | $result = caml_val_ptr ((void *)temp,$&1_descriptor); |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | #else |
| 90 | |
| 91 | %typemap(in) SWIGTYPE { |
| 92 | $1 = *(($&1_ltype) caml_ptr_val($input,$&1_descriptor)) ; |
| 93 | } |
| 94 | |
| 95 | %typemap(out) SWIGTYPE { |
| 96 | /* %typemap(out) SWIGTYPE */ |
| 97 | void *temp = calloc(1,sizeof($ltype)); |
| 98 | CAML_VALUE *fromval = caml_named_value("create_$ntype_from_ptr"); |
| 99 | memmove( temp, &$1, sizeof( $1_type ) ); |
| 100 | if( fromval ) { |
| 101 | $result = callback(*fromval,caml_val_ptr((void *)temp,$&1_descriptor)); |
| 102 | } else { |
| 103 | $result = caml_val_ptr ((void *)temp,$&1_descriptor); |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | %apply SWIGTYPE { const SWIGTYPE & }; |
| 108 | |
| 109 | #endif |
| 110 | |
| 111 | /* The SIMPLE_MAP macro below defines the whole set of typemaps needed |
| 112 | for simple types. */ |
| 113 | |
| 114 | %define SIMPLE_MAP(C_NAME, C_TO_MZ, MZ_TO_C) |
| 115 | /* In */ |
| 116 | %typemap(in) C_NAME { |
| 117 | $1 = MZ_TO_C($input); |
| 118 | } |
| 119 | %typemap(varin) C_NAME { |
| 120 | $1 = MZ_TO_C($input); |
| 121 | } |
| 122 | %typemap(in) C_NAME & ($*1_ltype temp) { |
| 123 | temp = ($*1_ltype) MZ_TO_C($input); |
| 124 | $1 = &temp; |
| 125 | } |
| 126 | %typemap(varin) C_NAME & { |
| 127 | $1 = MZ_TO_C($input); |
| 128 | } |
| 129 | %typemap(directorout) C_NAME { |
| 130 | $1 = MZ_TO_C($input); |
| 131 | } |
| 132 | %typemap(in) C_NAME *INPUT ($*1_ltype temp) { |
| 133 | temp = ($*1_ltype) MZ_TO_C($input); |
| 134 | $1 = &temp; |
| 135 | } |
| 136 | %typemap(in,numinputs=0) C_NAME *OUTPUT ($*1_ltype temp) { |
| 137 | $1 = &temp; |
| 138 | } |
| 139 | /* Out */ |
| 140 | %typemap(out) C_NAME { |
| 141 | $result = C_TO_MZ($1); |
| 142 | } |
| 143 | %typemap(varout) C_NAME { |
| 144 | $result = C_TO_MZ($1); |
| 145 | } |
| 146 | %typemap(varout) C_NAME & { |
| 147 | /* %typemap(varout) C_NAME & (generic) */ |
| 148 | $result = C_TO_MZ($1); |
| 149 | } |
| 150 | %typemap(argout) C_NAME *OUTPUT { |
| 151 | swig_result = caml_list_append(swig_result,C_TO_MZ((long)*$1)); |
| 152 | } |
| 153 | %typemap(out) C_NAME & { |
| 154 | /* %typemap(out) C_NAME & (generic) */ |
| 155 | $result = C_TO_MZ(*$1); |
| 156 | } |
| 157 | %typemap(argout) C_NAME & { |
| 158 | swig_result = caml_list_append(swig_result,C_TO_MZ((long)*$1)); |
| 159 | } |
| 160 | %typemap(directorin) C_NAME { |
| 161 | args = caml_list_append(args,C_TO_MZ($1_name)); |
| 162 | } |
| 163 | %enddef |
| 164 | |
| 165 | SIMPLE_MAP(bool, caml_val_bool, caml_long_val); |
| 166 | SIMPLE_MAP(oc_bool, caml_val_bool, caml_long_val); |
| 167 | SIMPLE_MAP(char, caml_val_char, caml_long_val); |
| 168 | SIMPLE_MAP(signed char, caml_val_char, caml_long_val); |
| 169 | SIMPLE_MAP(unsigned char, caml_val_uchar, caml_long_val); |
| 170 | SIMPLE_MAP(int, caml_val_int, caml_long_val); |
| 171 | SIMPLE_MAP(short, caml_val_short, caml_long_val); |
| 172 | SIMPLE_MAP(wchar_t, caml_val_short, caml_long_val); |
| 173 | SIMPLE_MAP(long, caml_val_long, caml_long_val); |
| 174 | SIMPLE_MAP(ptrdiff_t, caml_val_int, caml_long_val); |
| 175 | SIMPLE_MAP(unsigned int, caml_val_uint, caml_long_val); |
| 176 | SIMPLE_MAP(unsigned short, caml_val_ushort, caml_long_val); |
| 177 | SIMPLE_MAP(unsigned long, caml_val_ulong, caml_long_val); |
| 178 | SIMPLE_MAP(size_t, caml_val_int, caml_long_val); |
| 179 | SIMPLE_MAP(float, caml_val_float, caml_double_val); |
| 180 | SIMPLE_MAP(double, caml_val_double, caml_double_val); |
| 181 | SIMPLE_MAP(long long,caml_val_ulong,caml_long_val); |
| 182 | SIMPLE_MAP(unsigned long long,caml_val_ulong,caml_long_val); |
| 183 | |
| 184 | /* Void */ |
| 185 | |
| 186 | %typemap(out) void "$result = Val_unit;"; |
| 187 | |
| 188 | /* Pass through value */ |
| 189 | |
| 190 | %typemap (in) value,caml::value,CAML_VALUE "$1=$input;"; |
| 191 | %typemap (out) value,caml::value,CAML_VALUE "$result=$1;"; |
| 192 | |
| 193 | /* Arrays */ |
| 194 | |
| 195 | %typemap(in) ArrayCarrier * { |
| 196 | $1 = ($ltype)caml_ptr_val($input,$1_descriptor); |
| 197 | } |
| 198 | |
| 199 | %typemap(out) ArrayCarrier * { |
| 200 | CAML_VALUE *fromval = caml_named_value("create_$ntype_from_ptr"); |
| 201 | if( fromval ) { |
| 202 | $result = callback(*fromval,caml_val_ptr((void *)$1,$1_descriptor)); |
| 203 | } else { |
| 204 | $result = caml_val_ptr ((void *)$1,$1_descriptor); |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | #if 0 |
| 209 | %include "carray.i" |
| 210 | #endif |
| 211 | |
| 212 | /* Handle char arrays as strings */ |
| 213 | |
| 214 | %define %char_ptr_in(how) |
| 215 | %typemap(how) char *, signed char *, unsigned char * { |
| 216 | /* %typemap(how) char * ... */ |
| 217 | $1 = ($ltype)caml_string_val($input); |
| 218 | } |
| 219 | /* Again work around the empty array bound bug */ |
| 220 | %typemap(how) char [ANY], signed char [ANY], unsigned char [ANY] { |
| 221 | /* %typemap(how) char [ANY] ... */ |
| 222 | char *temp = caml_string_val($input); |
| 223 | strcpy((char *)$1,temp); |
| 224 | /* strncpy would be better but we might not have an array size */ |
| 225 | } |
| 226 | %enddef |
| 227 | |
| 228 | %char_ptr_in(in); |
| 229 | %char_ptr_in(varin); |
| 230 | %char_ptr_in(directorout); |
| 231 | |
| 232 | %define %char_ptr_out(how) |
| 233 | %typemap(how) |
| 234 | char *, signed char *, unsigned char *, |
| 235 | const char *, const signed char *, const unsigned char * { |
| 236 | $result = caml_val_string((char *)$1); |
| 237 | } |
| 238 | /* I'd like to use the length here but can't because it might be empty */ |
| 239 | %typemap(how) |
| 240 | char [ANY], signed char [ANY], unsigned char [ANY], |
| 241 | const char [ANY], const signed char [ANY], const unsigned char [ANY] { |
| 242 | $result = caml_val_string((char *)$1); |
| 243 | } |
| 244 | %enddef |
| 245 | |
| 246 | %char_ptr_out(out); |
| 247 | %char_ptr_out(varout); |
| 248 | %char_ptr_out(directorin); |
| 249 | |
| 250 | %define %swigtype_ptr_in(how) |
| 251 | %typemap(how) SWIGTYPE * { |
| 252 | /* %typemap(how) SWIGTYPE * */ |
| 253 | $1 = ($ltype)caml_ptr_val($input,$1_descriptor); |
| 254 | } |
| 255 | %typemap(how) SWIGTYPE (CLASS::*) { |
| 256 | /* %typemap(how) SWIGTYPE (CLASS::*) */ |
| 257 | void *v = caml_ptr_val($input,$1_descriptor); |
| 258 | memcpy(& $1, &v, sizeof(v)); |
| 259 | } |
| 260 | %enddef |
| 261 | |
| 262 | %define %swigtype_ptr_out(how) |
| 263 | %typemap(out) SWIGTYPE * { |
| 264 | /* %typemap(how) SWIGTYPE *, SWIGTYPE (CLASS::*) */ |
| 265 | CAML_VALUE *fromval = caml_named_value("create_$ntype_from_ptr"); |
| 266 | if( fromval ) { |
| 267 | $result = callback(*fromval,caml_val_ptr((void *)$1,$1_descriptor)); |
| 268 | } else { |
| 269 | $result = caml_val_ptr ((void *)$1,$1_descriptor); |
| 270 | } |
| 271 | } |
| 272 | %typemap(how) SWIGTYPE (CLASS::*) { |
| 273 | /* %typemap(how) SWIGTYPE *, SWIGTYPE (CLASS::*) */ |
| 274 | void *v; |
| 275 | memcpy(&v,& $1, sizeof(void *)); |
| 276 | $result = caml_val_ptr (v,$1_descriptor); |
| 277 | } |
| 278 | %enddef |
| 279 | |
| 280 | %swigtype_ptr_in(in); |
| 281 | %swigtype_ptr_in(varin); |
| 282 | %swigtype_ptr_in(directorout); |
| 283 | %swigtype_ptr_out(out); |
| 284 | %swigtype_ptr_out(varout); |
| 285 | %swigtype_ptr_out(directorin); |
| 286 | |
| 287 | %define %swigtype_array_fail(how,msg) |
| 288 | %typemap(how) SWIGTYPE [] { |
| 289 | failwith(msg); |
| 290 | } |
| 291 | %enddef |
| 292 | |
| 293 | %swigtype_array_fail(in,"Array arguments for arbitrary types need a typemap"); |
| 294 | %swigtype_array_fail(varin,"Assignment to global arrays for arbitrary types need a typemap"); |
| 295 | %swigtype_array_fail(out,"Array arguments for arbitrary types need a typemap"); |
| 296 | %swigtype_array_fail(varout,"Array variables need a typemap"); |
| 297 | %swigtype_array_fail(directorin,"Array results with arbitrary types need a typemap"); |
| 298 | %swigtype_array_fail(directorout,"Array arguments with arbitrary types need a typemap"); |
| 299 | |
| 300 | /* C++ References */ |
| 301 | |
| 302 | /* Enums */ |
| 303 | %define %swig_enum_in(how) |
| 304 | %typemap(how) enum SWIGTYPE { |
| 305 | $1 = ($type)caml_long_val_full($input,"$type_marker"); |
| 306 | } |
| 307 | %enddef |
| 308 | |
| 309 | %define %swig_enum_out(how) |
| 310 | %typemap(how) enum SWIGTYPE { |
| 311 | $result = callback2(*caml_named_value(SWIG_MODULE "_int_to_enum"),*caml_named_value("$type_marker"),Val_int((int)$1)); |
| 312 | } |
| 313 | %enddef |
| 314 | |
| 315 | %swig_enum_in(in) |
| 316 | %swig_enum_in(varin) |
| 317 | %swig_enum_in(directorout) |
| 318 | %swig_enum_out(out) |
| 319 | %swig_enum_out(varout) |
| 320 | %swig_enum_out(directorin) |