Mercurial > mm7
annotate lib/swig/swigwin-2.0.11/Lib/lua/luarun.swg @ 2353:bb9f180d50f6
Removing a few unsorted_subs includes
| author | Grumpy7 |
|---|---|
| date | Wed, 09 Apr 2014 21:58:09 +0200 |
| parents | 7a9477135943 |
| children |
| rev | line source |
|---|---|
| 1899 | 1 /* ----------------------------------------------------------------------------- |
| 2 * luarun.swg | |
| 3 * | |
| 4 * This file contains the runtime support for Lua modules | |
| 5 * and includes code for managing global variables and pointer | |
| 6 * type checking. | |
| 7 * ----------------------------------------------------------------------------- */ | |
|
2037
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8 |
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9 #include "lib/lua/lua.h" |
| 1899 | 10 #ifdef __cplusplus |
| 11 extern "C" { | |
| 12 #endif | |
| 13 | |
|
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14 //#include "lua.h" |
|
7a9477135943
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15 //#include "lauxlib.h" |
| 1899 | 16 #include <stdlib.h> /* for malloc */ |
| 17 #include <assert.h> /* for a few sanity tests */ | |
| 18 | |
| 19 /* ----------------------------------------------------------------------------- | |
| 20 * Lua flavors | |
| 21 * ----------------------------------------------------------------------------- */ | |
| 22 | |
| 23 #define SWIG_LUA_FLAVOR_LUA 1 | |
| 24 #define SWIG_LUA_FLAVOR_ELUA 2 | |
| 25 #define SWIG_LUA_FLAVOR_ELUAC 3 | |
| 26 | |
| 27 #if !defined(SWIG_LUA_TARGET) | |
| 28 # error SWIG_LUA_TARGET not defined | |
| 29 #endif | |
| 30 | |
| 31 #if (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUA) || (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUAC) | |
| 32 # define SWIG_LUA_CONSTTAB_INT(B, C) LSTRKEY(B), LNUMVAL(C) | |
| 33 # define SWIG_LUA_CONSTTAB_FLOAT(B, C) LSTRKEY(B), LNUMVAL(C) | |
| 34 # define SWIG_LUA_CONSTTAB_STRING(B, C) LSTRKEY(B), LSTRVAL(C) | |
| 35 # define SWIG_LUA_CONSTTAB_CHAR(B, C) LSTRKEY(B), LNUMVAL(C) | |
| 36 #else /* SWIG_LUA_FLAVOR_LUA */ | |
| 37 # define SWIG_LUA_CONSTTAB_INT(B, C) SWIG_LUA_INT, (char *)B, (long)C, 0, 0, 0 | |
| 38 # define SWIG_LUA_CONSTTAB_FLOAT(B, C) SWIG_LUA_FLOAT, (char *)B, 0, (double)C, 0, 0 | |
| 39 # define SWIG_LUA_CONSTTAB_STRING(B, C) SWIG_LUA_STRING, (char *)B, 0, 0, (void *)C, 0 | |
| 40 # define SWIG_LUA_CONSTTAB_CHAR(B, C) SWIG_LUA_CHAR, (char *)B, (long)C, 0, 0, 0 | |
| 41 #endif | |
| 42 | |
| 43 #if (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUA) || (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUAC) | |
| 44 # define LRO_STRVAL(v) {{.p = (char *) v}, LUA_TSTRING} | |
| 45 # define LSTRVAL LRO_STRVAL | |
| 46 #endif | |
| 47 | |
| 48 /* ----------------------------------------------------------------------------- | |
| 49 * compatibility defines | |
| 50 * ----------------------------------------------------------------------------- */ | |
| 51 | |
| 52 /* History of Lua C API length functions: In Lua 5.0 (and before?) | |
| 53 there was "lua_strlen". In Lua 5.1, this was renamed "lua_objlen", | |
| 54 but a compatibility define of "lua_strlen" was added. In Lua 5.2, | |
| 55 this function was again renamed, to "lua_rawlen" (to emphasize that | |
| 56 it doesn't call the "__len" metamethod), and the compatibility | |
| 57 define of lua_strlen was removed. All SWIG uses have been updated | |
| 58 to "lua_rawlen", and we add our own defines of that here for older | |
| 59 versions of Lua. */ | |
| 60 #if !defined(LUA_VERSION_NUM) || LUA_VERSION_NUM < 501 | |
| 61 # define lua_rawlen lua_strlen | |
| 62 #elif LUA_VERSION_NUM == 501 | |
| 63 # define lua_rawlen lua_objlen | |
| 64 #endif | |
| 65 | |
| 66 | |
| 67 /* lua_pushglobaltable is the recommended "future-proof" way to get | |
| 68 the global table for Lua 5.2 and later. Here we define | |
| 69 lua_pushglobaltable ourselves for Lua versions before 5.2. */ | |
| 70 #if !defined(LUA_VERSION_NUM) || LUA_VERSION_NUM < 502 | |
| 71 # define lua_pushglobaltable(L) lua_pushvalue(L, LUA_GLOBALSINDEX) | |
| 72 #endif | |
| 73 | |
| 74 | |
| 75 /* -------------------------------------------------------------------------- | |
| 76 * Helper functions for error handling | |
| 77 * -------------------------------------------------------------------------- */ | |
| 78 | |
| 79 /* Push the string STR on the Lua stack, like lua_pushstring, but | |
| 80 prefixed with the the location of the innermost Lua call-point | |
| 81 (as formated by luaL_where). */ | |
| 82 SWIGRUNTIME void | |
| 83 SWIG_Lua_pusherrstring (lua_State *L, const char *str) | |
| 84 { | |
| 85 luaL_where (L, 1); | |
| 86 lua_pushstring (L, str); | |
| 87 lua_concat (L, 2); | |
| 88 } | |
| 89 | |
| 90 /* Push a formatted string generated from FMT and following args on | |
| 91 the Lua stack, like lua_pushfstring, but prefixed with the the | |
| 92 location of the innermost Lua call-point (as formated by luaL_where). */ | |
| 93 SWIGRUNTIME void | |
| 94 SWIG_Lua_pushferrstring (lua_State *L, const char *fmt, ...) | |
| 95 { | |
| 96 va_list argp; | |
| 97 va_start(argp, fmt); | |
| 98 luaL_where(L, 1); | |
| 99 lua_pushvfstring(L, fmt, argp); | |
| 100 va_end(argp); | |
| 101 lua_concat(L, 2); | |
| 102 } | |
| 103 | |
| 104 | |
| 105 /* ----------------------------------------------------------------------------- | |
| 106 * global swig types | |
| 107 * ----------------------------------------------------------------------------- */ | |
| 108 /* Constant table */ | |
| 109 #define SWIG_LUA_INT 1 | |
| 110 #define SWIG_LUA_FLOAT 2 | |
| 111 #define SWIG_LUA_STRING 3 | |
| 112 #define SWIG_LUA_POINTER 4 | |
| 113 #define SWIG_LUA_BINARY 5 | |
| 114 #define SWIG_LUA_CHAR 6 | |
| 115 | |
| 116 /* Structure for variable linking table */ | |
| 117 typedef struct { | |
| 118 const char *name; | |
| 119 lua_CFunction get; | |
| 120 lua_CFunction set; | |
| 121 } swig_lua_var_info; | |
| 122 | |
| 123 /* Constant information structure */ | |
| 124 typedef struct { | |
| 125 int type; | |
| 126 char *name; | |
| 127 long lvalue; | |
| 128 double dvalue; | |
| 129 void *pvalue; | |
| 130 swig_type_info **ptype; | |
| 131 } swig_lua_const_info; | |
| 132 | |
| 133 typedef struct { | |
| 134 const char *name; | |
| 135 lua_CFunction method; | |
| 136 } swig_lua_method; | |
| 137 | |
| 138 typedef struct { | |
| 139 const char *name; | |
| 140 lua_CFunction getmethod; | |
| 141 lua_CFunction setmethod; | |
| 142 } swig_lua_attribute; | |
| 143 | |
| 144 // Can be used to create namespaces. Currently used to | |
| 145 // wrap class static methods/variables/constants | |
| 146 typedef struct { | |
| 147 const char *name; | |
| 148 swig_lua_method *ns_methods; | |
| 149 swig_lua_attribute *ns_attributes; | |
| 150 swig_lua_const_info *ns_constants; | |
| 151 } swig_lua_namespace; | |
| 152 | |
| 153 typedef struct swig_lua_class { | |
| 154 const char *name; | |
| 155 swig_type_info **type; | |
| 156 lua_CFunction constructor; | |
| 157 void (*destructor)(void *); | |
| 158 swig_lua_method *methods; | |
| 159 swig_lua_attribute *attributes; | |
| 160 swig_lua_namespace cls_static; | |
| 161 struct swig_lua_class **bases; | |
| 162 const char **base_names; | |
| 163 } swig_lua_class; | |
| 164 | |
| 165 /* this is the struct for wrapping all pointers in SwigLua | |
| 166 */ | |
| 167 typedef struct { | |
| 168 swig_type_info *type; | |
| 169 int own; /* 1 if owned & must be destroyed */ | |
| 170 void *ptr; | |
| 171 } swig_lua_userdata; | |
| 172 | |
| 173 /* this is the struct for wrapping arbitrary packed binary data | |
| 174 (currently it is only used for member function pointers) | |
| 175 the data ordering is similar to swig_lua_userdata, but it is currently not possible | |
| 176 to tell the two structures apart within SWIG, other than by looking at the type | |
| 177 */ | |
| 178 typedef struct { | |
| 179 swig_type_info *type; | |
| 180 int own; /* 1 if owned & must be destroyed */ | |
| 181 char data[1]; /* arbitary amount of data */ | |
| 182 } swig_lua_rawdata; | |
| 183 | |
| 184 /* Common SWIG API */ | |
| 185 #define SWIG_NewPointerObj(L, ptr, type, owner) SWIG_Lua_NewPointerObj(L, (void *)ptr, type, owner) | |
| 186 #define SWIG_ConvertPtr(L,idx, ptr, type, flags) SWIG_Lua_ConvertPtr(L,idx,ptr,type,flags) | |
| 187 #define SWIG_MustGetPtr(L,idx, type,flags, argnum,fnname) SWIG_Lua_MustGetPtr(L,idx, type,flags, argnum,fnname) | |
| 188 /* for C++ member pointers, ie, member methods */ | |
| 189 #define SWIG_ConvertMember(L, idx, ptr, sz, ty) SWIG_Lua_ConvertPacked(L, idx, ptr, sz, ty) | |
| 190 #define SWIG_NewMemberObj(L, ptr, sz, type) SWIG_Lua_NewPackedObj(L, ptr, sz, type) | |
| 191 | |
| 192 /* Runtime API */ | |
| 193 #define SWIG_GetModule(clientdata) SWIG_Lua_GetModule((lua_State*)(clientdata)) | |
| 194 #define SWIG_SetModule(clientdata, pointer) SWIG_Lua_SetModule((lua_State*) (clientdata), pointer) | |
| 195 #define SWIG_MODULE_CLIENTDATA_TYPE lua_State* | |
| 196 | |
| 197 /* Contract support */ | |
| 198 #define SWIG_contract_assert(expr, msg) \ | |
| 199 if (!(expr)) { SWIG_Lua_pusherrstring(L, (char *) msg); goto fail; } else | |
| 200 | |
| 201 | |
| 202 /* helper #defines */ | |
| 203 #define SWIG_fail {goto fail;} | |
| 204 #define SWIG_fail_arg(func_name,argnum,type) \ | |
| 205 {SWIG_Lua_pushferrstring(L,"Error in %s (arg %d), expected '%s' got '%s'",\ | |
| 206 func_name,argnum,type,SWIG_Lua_typename(L,argnum));\ | |
| 207 goto fail;} | |
| 208 #define SWIG_fail_ptr(func_name,argnum,type) \ | |
| 209 SWIG_fail_arg(func_name,argnum,(type && type->str)?type->str:"void*") | |
| 210 #define SWIG_check_num_args(func_name,a,b) \ | |
| 211 if (lua_gettop(L)<a || lua_gettop(L)>b) \ | |
| 212 {SWIG_Lua_pushferrstring(L,"Error in %s expected %d..%d args, got %d",func_name,a,b,lua_gettop(L));\ | |
| 213 goto fail;} | |
| 214 | |
| 215 | |
| 216 #define SWIG_Lua_get_table(L,n) \ | |
| 217 (lua_pushstring(L, n), lua_rawget(L,-2)) | |
| 218 | |
| 219 #define SWIG_Lua_add_function(L,n,f) \ | |
| 220 (lua_pushstring(L, n), \ | |
| 221 lua_pushcfunction(L, f), \ | |
| 222 lua_rawset(L,-3)) | |
| 223 | |
| 224 /* special helper for allowing 'nil' for usertypes */ | |
| 225 #define SWIG_isptrtype(L,I) (lua_isuserdata(L,I) || lua_isnil(L,I)) | |
| 226 | |
| 227 #ifdef __cplusplus | |
| 228 /* Special helper for member function pointers | |
| 229 it gets the address, casts it, then dereferences it */ | |
| 230 //#define SWIG_mem_fn_as_voidptr(a) (*((char**)&(a))) | |
| 231 #endif | |
| 232 | |
| 233 /* storing/access of swig_module_info */ | |
| 234 SWIGRUNTIME swig_module_info * | |
| 235 SWIG_Lua_GetModule(lua_State* L) { | |
| 236 swig_module_info *ret = 0; | |
| 237 lua_pushstring(L,"swig_runtime_data_type_pointer" SWIG_RUNTIME_VERSION SWIG_TYPE_TABLE_NAME); | |
| 238 lua_rawget(L,LUA_REGISTRYINDEX); | |
| 239 if (lua_islightuserdata(L,-1)) | |
| 240 ret=(swig_module_info*)lua_touserdata(L,-1); | |
| 241 lua_pop(L,1); /* tidy */ | |
| 242 return ret; | |
| 243 } | |
| 244 | |
| 245 SWIGRUNTIME void | |
| 246 SWIG_Lua_SetModule(lua_State* L, swig_module_info *module) { | |
| 247 /* add this all into the Lua registry: */ | |
| 248 lua_pushstring(L,"swig_runtime_data_type_pointer" SWIG_RUNTIME_VERSION SWIG_TYPE_TABLE_NAME); | |
| 249 lua_pushlightuserdata(L,(void*)module); | |
| 250 lua_rawset(L,LUA_REGISTRYINDEX); | |
| 251 } | |
| 252 | |
| 253 /* ----------------------------------------------------------------------------- | |
| 254 * global variable support code: modules | |
| 255 * ----------------------------------------------------------------------------- */ | |
| 256 | |
| 257 /* this function is called when trying to set an immutable. | |
| 258 default action is to print an error. | |
| 259 This can removed with a compile flag SWIGLUA_IGNORE_SET_IMMUTABLE */ | |
| 260 SWIGINTERN int SWIG_Lua_set_immutable(lua_State* L) | |
| 261 { | |
| 262 /* there should be 1 param passed in: the new value */ | |
| 263 #ifndef SWIGLUA_IGNORE_SET_IMMUTABLE | |
| 264 lua_pop(L,1); /* remove it */ | |
| 265 luaL_error(L,"This variable is immutable"); | |
| 266 #endif | |
| 267 return 0; /* should not return anything */ | |
| 268 } | |
| 269 | |
| 270 /* the module.get method used for getting linked data */ | |
| 271 SWIGINTERN int SWIG_Lua_module_get(lua_State* L) | |
| 272 { | |
| 273 /* there should be 2 params passed in | |
| 274 (1) table (not the meta table) | |
| 275 (2) string name of the attribute | |
| 276 printf("SWIG_Lua_module_get %p(%s) '%s'\n", | |
| 277 lua_topointer(L,1),lua_typename(L,lua_type(L,1)), | |
| 278 lua_tostring(L,2)); | |
| 279 */ | |
| 280 /* get the metatable */ | |
| 281 #if ((SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUA) || (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUAC)) | |
| 282 assert(lua_isrotable(L,1)); /* just in case */ | |
| 283 #else | |
| 284 assert(lua_istable(L,1)); /* default Lua action */ | |
| 285 #endif | |
| 286 lua_getmetatable(L,1); /* get the metatable */ | |
| 287 #if ((SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUA) || (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUAC)) | |
| 288 assert(lua_isrotable(L,-1)); /* just in case */ | |
| 289 #else | |
| 290 assert(lua_istable(L,-1)); | |
| 291 #endif | |
| 292 SWIG_Lua_get_table(L,".get"); /* get the .get table */ | |
| 293 lua_remove(L,3); /* remove metatable */ | |
| 294 #if ((SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUA) || (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUAC)) | |
| 295 if (lua_isrotable(L,-1)) | |
| 296 #else | |
| 297 if (lua_istable(L,-1)) | |
| 298 #endif | |
| 299 { | |
| 300 /* look for the key in the .get table */ | |
| 301 lua_pushvalue(L,2); /* key */ | |
| 302 lua_rawget(L,-2); | |
| 303 lua_remove(L,3); /* remove .get */ | |
| 304 if (lua_iscfunction(L,-1)) | |
| 305 { /* found it so call the fn & return its value */ | |
| 306 lua_call(L,0,1); | |
| 307 return 1; | |
| 308 } | |
| 309 lua_pop(L,1); /* remove the top */ | |
| 310 } | |
| 311 lua_pop(L,1); /* remove the .get */ | |
| 312 lua_pushnil(L); /* return a nil */ | |
| 313 return 1; | |
| 314 } | |
| 315 | |
| 316 /* the module.set method used for setting linked data */ | |
| 317 SWIGINTERN int SWIG_Lua_module_set(lua_State* L) | |
| 318 { | |
| 319 /* there should be 3 params passed in | |
| 320 (1) table (not the meta table) | |
| 321 (2) string name of the attribute | |
| 322 (3) any for the new value | |
| 323 */ | |
| 324 /* get the metatable */ | |
| 325 #if ((SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUA) || (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUAC)) | |
| 326 assert(lua_isrotable(L,1)); /* just in case */ | |
| 327 #else | |
| 328 assert(lua_istable(L,1)); /* default Lua action */ | |
| 329 #endif | |
| 330 lua_getmetatable(L,1); /* get the metatable */ | |
| 331 #if ((SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUA) || (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUAC)) | |
| 332 assert(lua_isrotable(L,-1)); /* just in case */ | |
| 333 #else | |
| 334 assert(lua_istable(L,-1)); | |
| 335 #endif | |
| 336 SWIG_Lua_get_table(L,".set"); /* get the .set table */ | |
| 337 lua_remove(L,4); /* remove metatable */ | |
| 338 #if ((SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUA) || (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUAC)) | |
| 339 if (lua_isrotable(L,-1)) | |
| 340 #else | |
| 341 if (lua_istable(L,-1)) | |
| 342 #endif | |
| 343 { | |
| 344 /* look for the key in the .set table */ | |
| 345 lua_pushvalue(L,2); /* key */ | |
| 346 lua_rawget(L,-2); | |
| 347 lua_remove(L,4); /* remove .set */ | |
| 348 if (lua_iscfunction(L,-1)) | |
| 349 { /* found it so call the fn & return its value */ | |
| 350 lua_pushvalue(L,3); /* value */ | |
| 351 lua_call(L,1,0); | |
| 352 return 0; | |
| 353 } | |
| 354 #if (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUA) | |
| 355 else { | |
| 356 return 0; // Exits stoically if an invalid key is initialized. | |
| 357 } | |
| 358 #endif | |
| 359 } | |
| 360 lua_settop(L,3); /* reset back to start */ | |
| 361 /* we now have the table, key & new value, so just set directly */ | |
| 362 lua_rawset(L,1); /* add direct */ | |
| 363 return 0; | |
| 364 } | |
| 365 | |
| 366 #if ((SWIG_LUA_TARGET != SWIG_LUA_FLAVOR_ELUA) && (SWIG_LUA_TARGET != SWIG_LUA_FLAVOR_ELUAC)) | |
| 367 /* registering a module in lua. Pushes the module table on the stack. */ | |
| 368 SWIGINTERN void SWIG_Lua_module_begin(lua_State* L,const char* name) | |
| 369 { | |
| 370 assert(lua_istable(L,-1)); /* just in case */ | |
| 371 lua_pushstring(L,name); | |
| 372 lua_newtable(L); /* the table */ | |
| 373 /* add meta table */ | |
| 374 lua_newtable(L); /* the meta table */ | |
| 375 SWIG_Lua_add_function(L,"__index",SWIG_Lua_module_get); | |
| 376 SWIG_Lua_add_function(L,"__newindex",SWIG_Lua_module_set); | |
| 377 lua_pushstring(L,".get"); | |
| 378 lua_newtable(L); /* the .get table */ | |
| 379 lua_rawset(L,-3); /* add .get into metatable */ | |
| 380 lua_pushstring(L,".set"); | |
| 381 lua_newtable(L); /* the .set table */ | |
| 382 lua_rawset(L,-3); /* add .set into metatable */ | |
| 383 lua_setmetatable(L,-2); /* sets meta table in module */ | |
| 384 #ifdef SWIG_LUA_MODULE_GLOBAL | |
| 385 /* If requested, install the module directly into the global namespace. */ | |
| 386 lua_rawset(L,-3); /* add module into parent */ | |
| 387 SWIG_Lua_get_table(L,name); /* get the table back out */ | |
| 388 #else | |
| 389 /* Do not install the module table as global name. The stack top has | |
| 390 the module table with the name below. We pop the top and replace | |
| 391 the name with it. */ | |
| 392 lua_replace(L,-2); | |
| 393 #endif | |
| 394 } | |
| 395 | |
| 396 /* ending the register */ | |
| 397 SWIGINTERN void SWIG_Lua_module_end(lua_State* L) | |
| 398 { | |
| 399 lua_pop(L,1); /* tidy stack (remove module) */ | |
| 400 } | |
| 401 | |
| 402 /* adding a linked variable to the module */ | |
| 403 SWIGINTERN void SWIG_Lua_module_add_variable(lua_State* L,const char* name,lua_CFunction getFn,lua_CFunction setFn) | |
| 404 { | |
| 405 assert(lua_istable(L,-1)); /* just in case */ | |
| 406 lua_getmetatable(L,-1); /* get the metatable */ | |
| 407 assert(lua_istable(L,-1)); /* just in case */ | |
| 408 SWIG_Lua_get_table(L,".get"); /* find the .get table */ | |
| 409 assert(lua_istable(L,-1)); /* should be a table: */ | |
| 410 SWIG_Lua_add_function(L,name,getFn); | |
| 411 lua_pop(L,1); /* tidy stack (remove table) */ | |
| 412 if (setFn) /* if there is a set fn */ | |
| 413 { | |
| 414 SWIG_Lua_get_table(L,".set"); /* find the .set table */ | |
| 415 assert(lua_istable(L,-1)); /* should be a table: */ | |
| 416 SWIG_Lua_add_function(L,name,setFn); | |
| 417 lua_pop(L,1); /* tidy stack (remove table) */ | |
| 418 } | |
| 419 lua_pop(L,1); /* tidy stack (remove meta) */ | |
| 420 } | |
| 421 #endif | |
| 422 | |
| 423 /* adding a function module */ | |
| 424 SWIGINTERN void SWIG_Lua_module_add_function(lua_State* L,const char* name,lua_CFunction fn) | |
| 425 { | |
| 426 SWIG_Lua_add_function(L,name,fn); | |
| 427 } | |
| 428 | |
| 429 /* ----------------------------------------------------------------------------- | |
| 430 * global variable support code: namespaces | |
| 431 * ----------------------------------------------------------------------------- */ | |
| 432 | |
| 433 SWIGINTERN int SWIG_Lua_namespace_get(lua_State* L) | |
| 434 { | |
| 435 /* there should be 2 params passed in | |
| 436 (1) table (not the meta table) | |
| 437 (2) string name of the attribute | |
| 438 */ | |
| 439 assert(lua_istable(L,-2)); /* just in case */ | |
| 440 lua_getmetatable(L,-2); | |
| 441 assert(lua_istable(L,-1)); | |
| 442 SWIG_Lua_get_table(L,".get"); /* find the .get table */ | |
| 443 assert(lua_istable(L,-1)); | |
| 444 /* look for the key in the .get table */ | |
| 445 lua_pushvalue(L,2); /* key */ | |
| 446 lua_rawget(L,-2); | |
| 447 lua_remove(L,-2); /* stack tidy, remove .get table */ | |
| 448 if (lua_iscfunction(L,-1)) | |
| 449 { /* found it so call the fn & return its value */ | |
| 450 lua_call(L,0,1); /* 1 value in (userdata),1 out (result) */ | |
| 451 lua_remove(L,-2); /* stack tidy, remove metatable */ | |
| 452 return 1; | |
| 453 } | |
| 454 lua_pop(L,1); /* remove whatever was there */ | |
| 455 /* ok, so try the .fn table */ | |
| 456 SWIG_Lua_get_table(L,".fn"); /* find the .get table */ | |
| 457 assert(lua_istable(L,-1)); /* just in case */ | |
| 458 lua_pushvalue(L,2); /* key */ | |
| 459 lua_rawget(L,-2); /* look for the fn */ | |
| 460 lua_remove(L,-2); /* stack tidy, remove .fn table */ | |
| 461 if (lua_isfunction(L,-1)) /* note: whether it's a C function or lua function */ | |
| 462 { /* found it so return the fn & let lua call it */ | |
| 463 lua_remove(L,-2); /* stack tidy, remove metatable */ | |
| 464 return 1; | |
| 465 } | |
| 466 lua_pop(L,1); /* remove whatever was there */ | |
| 467 return 0; | |
| 468 } | |
| 469 | |
| 470 SWIGINTERN int SWIG_Lua_namespace_set(lua_State* L) | |
| 471 { | |
| 472 /* there should be 3 params passed in | |
| 473 (1) table (not the meta table) | |
| 474 (2) string name of the attribute | |
| 475 (3) any for the new value | |
| 476 */ | |
| 477 | |
| 478 assert(lua_istable(L,1)); | |
| 479 lua_getmetatable(L,1); /* get the meta table */ | |
| 480 assert(lua_istable(L,-1)); | |
| 481 | |
| 482 SWIG_Lua_get_table(L,".set"); /* find the .set table */ | |
| 483 if (lua_istable(L,-1)) | |
| 484 { | |
| 485 /* look for the key in the .set table */ | |
| 486 lua_pushvalue(L,2); /* key */ | |
| 487 lua_rawget(L,-2); | |
| 488 if (lua_iscfunction(L,-1)) | |
| 489 { /* found it so call the fn & return its value */ | |
| 490 lua_pushvalue(L,3); /* value */ | |
| 491 lua_call(L,1,0); | |
| 492 return 0; | |
| 493 } | |
| 494 lua_pop(L,1); /* remove the value */ | |
| 495 } | |
| 496 lua_pop(L,1); /* remove the value .set table */ | |
| 497 return 0; | |
| 498 } | |
| 499 | |
| 500 SWIGINTERN void SWIG_Lua_InstallConstants(lua_State* L, swig_lua_const_info constants[]); // forward declaration | |
| 501 SWIGINTERN void SWIG_Lua_add_class_variable(lua_State* L,const char* name,lua_CFunction getFn,lua_CFunction setFn); // forward declaration | |
| 502 | |
| 503 /* helper function - register namespace methods and attributes into namespace */ | |
|
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504 SWIGINTERN void SWIG_Lua_add_namespace_details(lua_State* L, swig_lua_namespace* ns) |
| 1899 | 505 { |
| 506 int i = 0; | |
| 507 assert(lua_istable(L,-1)); | |
| 508 /* There must be table at the top of the stack */ | |
| 509 SWIG_Lua_InstallConstants(L, ns->ns_constants); | |
| 510 | |
| 511 lua_getmetatable(L,-1); | |
| 512 | |
| 513 /* add fns */ | |
| 514 for(i=0;ns->ns_attributes[i].name;i++){ | |
| 515 SWIG_Lua_add_class_variable(L,ns->ns_attributes[i].name,ns->ns_attributes[i].getmethod,ns->ns_attributes[i].setmethod); | |
| 516 } | |
| 517 | |
| 518 /* add methods to the metatable */ | |
| 519 SWIG_Lua_get_table(L,".fn"); /* find the .fn table */ | |
| 520 assert(lua_istable(L,-1)); /* just in case */ | |
| 521 for(i=0;ns->ns_methods[i].name;i++){ | |
| 522 SWIG_Lua_add_function(L,ns->ns_methods[i].name,ns->ns_methods[i].method); | |
| 523 } | |
| 524 lua_pop(L,1); | |
| 525 | |
| 526 /* clear stack - remove metatble */ | |
| 527 lua_pop(L,1); | |
| 528 | |
| 529 } | |
| 530 | |
| 531 /* helper function. creates namespace table and add it to module table */ | |
|
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|
532 SWIGINTERN void SWIG_Lua_namespace_register(lua_State* L, swig_lua_namespace* ns) |
| 1899 | 533 { |
| 534 assert(lua_istable(L,-1)); /* just in case. This is supposed to be module table */ | |
| 535 lua_checkstack(L,5); | |
| 536 lua_pushstring(L, ns->name); | |
| 537 lua_newtable(L); /* namespace itself */ | |
| 538 lua_newtable(L); /* metatable for namespace */ | |
| 539 | |
| 540 /* add a table called ".get" */ | |
| 541 lua_pushstring(L,".get"); | |
| 542 lua_newtable(L); | |
| 543 lua_rawset(L,-3); | |
| 544 /* add a table called ".set" */ | |
| 545 lua_pushstring(L,".set"); | |
| 546 lua_newtable(L); | |
| 547 lua_rawset(L,-3); | |
| 548 /* add a table called ".fn" */ | |
| 549 lua_pushstring(L,".fn"); | |
| 550 lua_newtable(L); | |
| 551 lua_rawset(L,-3); | |
| 552 | |
| 553 /* add accessor fns for using the .get,.set&.fn */ | |
| 554 SWIG_Lua_add_function(L,"__index",SWIG_Lua_namespace_get); | |
| 555 SWIG_Lua_add_function(L,"__newindex",SWIG_Lua_namespace_set); | |
| 556 | |
| 557 lua_setmetatable(L,-2); /* set metatable */ | |
| 558 lua_rawset(L,-3); /* add namespace to module table */ | |
| 559 } | |
| 560 /* ----------------------------------------------------------------------------- | |
| 561 * global variable support code: classes | |
| 562 * ----------------------------------------------------------------------------- */ | |
| 563 | |
| 564 /* the class.get method, performs the lookup of class attributes */ | |
| 565 SWIGINTERN int SWIG_Lua_class_get(lua_State* L) | |
| 566 { | |
| 567 /* there should be 2 params passed in | |
| 568 (1) userdata (not the meta table) | |
| 569 (2) string name of the attribute | |
| 570 */ | |
| 571 assert(lua_isuserdata(L,-2)); /* just in case */ | |
| 572 lua_getmetatable(L,-2); /* get the meta table */ | |
| 573 assert(lua_istable(L,-1)); /* just in case */ | |
| 574 SWIG_Lua_get_table(L,".get"); /* find the .get table */ | |
| 575 assert(lua_istable(L,-1)); /* just in case */ | |
| 576 /* look for the key in the .get table */ | |
| 577 lua_pushvalue(L,2); /* key */ | |
| 578 lua_rawget(L,-2); | |
| 579 lua_remove(L,-2); /* stack tidy, remove .get table */ | |
| 580 if (lua_iscfunction(L,-1)) | |
| 581 { /* found it so call the fn & return its value */ | |
| 582 lua_pushvalue(L,1); /* the userdata */ | |
| 583 lua_call(L,1,1); /* 1 value in (userdata),1 out (result) */ | |
| 584 lua_remove(L,-2); /* stack tidy, remove metatable */ | |
| 585 return 1; | |
| 586 } | |
| 587 lua_pop(L,1); /* remove whatever was there */ | |
| 588 /* ok, so try the .fn table */ | |
| 589 SWIG_Lua_get_table(L,".fn"); /* find the .get table */ | |
| 590 assert(lua_istable(L,-1)); /* just in case */ | |
| 591 lua_pushvalue(L,2); /* key */ | |
| 592 lua_rawget(L,-2); /* look for the fn */ | |
| 593 lua_remove(L,-2); /* stack tidy, remove .fn table */ | |
| 594 if (lua_isfunction(L,-1)) /* note: if its a C function or lua function */ | |
| 595 { /* found it so return the fn & let lua call it */ | |
| 596 lua_remove(L,-2); /* stack tidy, remove metatable */ | |
| 597 return 1; | |
| 598 } | |
| 599 lua_pop(L,1); /* remove whatever was there */ | |
| 600 /* NEW: looks for the __getitem() fn | |
| 601 this is a user provided get fn */ | |
| 602 SWIG_Lua_get_table(L,"__getitem"); /* find the __getitem fn */ | |
| 603 if (lua_iscfunction(L,-1)) /* if its there */ | |
| 604 { /* found it so call the fn & return its value */ | |
| 605 lua_pushvalue(L,1); /* the userdata */ | |
| 606 lua_pushvalue(L,2); /* the parameter */ | |
| 607 lua_call(L,2,1); /* 2 value in (userdata),1 out (result) */ | |
| 608 lua_remove(L,-2); /* stack tidy, remove metatable */ | |
| 609 return 1; | |
| 610 } | |
| 611 return 0; /* sorry not known */ | |
| 612 } | |
| 613 | |
| 614 /* the class.set method, performs the lookup of class attributes */ | |
| 615 SWIGINTERN int SWIG_Lua_class_set(lua_State* L) | |
| 616 { | |
| 617 /* there should be 3 params passed in | |
| 618 (1) table (not the meta table) | |
| 619 (2) string name of the attribute | |
| 620 (3) any for the new value | |
| 621 printf("SWIG_Lua_class_set %p(%s) '%s' %p(%s)\n", | |
| 622 lua_topointer(L,1),lua_typename(L,lua_type(L,1)), | |
| 623 lua_tostring(L,2), | |
| 624 lua_topointer(L,3),lua_typename(L,lua_type(L,3)));*/ | |
| 625 | |
| 626 assert(lua_isuserdata(L,1)); /* just in case */ | |
| 627 lua_getmetatable(L,1); /* get the meta table */ | |
| 628 assert(lua_istable(L,-1)); /* just in case */ | |
| 629 | |
| 630 SWIG_Lua_get_table(L,".set"); /* find the .set table */ | |
| 631 if (lua_istable(L,-1)) | |
| 632 { | |
| 633 /* look for the key in the .set table */ | |
| 634 lua_pushvalue(L,2); /* key */ | |
| 635 lua_rawget(L,-2); | |
| 636 if (lua_iscfunction(L,-1)) | |
| 637 { /* found it so call the fn & return its value */ | |
| 638 lua_pushvalue(L,1); /* userdata */ | |
| 639 lua_pushvalue(L,3); /* value */ | |
| 640 lua_call(L,2,0); | |
| 641 return 0; | |
| 642 } | |
| 643 lua_pop(L,1); /* remove the value */ | |
| 644 } | |
| 645 lua_pop(L,1); /* remove the value .set table */ | |
| 646 /* NEW: looks for the __setitem() fn | |
| 647 this is a user provided set fn */ | |
| 648 SWIG_Lua_get_table(L,"__setitem"); /* find the fn */ | |
| 649 if (lua_iscfunction(L,-1)) /* if its there */ | |
| 650 { /* found it so call the fn & return its value */ | |
| 651 lua_pushvalue(L,1); /* the userdata */ | |
| 652 lua_pushvalue(L,2); /* the parameter */ | |
| 653 lua_pushvalue(L,3); /* the value */ | |
| 654 lua_call(L,3,0); /* 3 values in ,0 out */ | |
| 655 lua_remove(L,-2); /* stack tidy, remove metatable */ | |
| 656 return 1; | |
| 657 } | |
| 658 return 0; | |
| 659 } | |
| 660 | |
| 661 /* the class.destruct method called by the interpreter */ | |
| 662 SWIGINTERN int SWIG_Lua_class_destruct(lua_State* L) | |
| 663 { | |
| 664 /* there should be 1 params passed in | |
| 665 (1) userdata (not the meta table) */ | |
| 666 swig_lua_userdata* usr; | |
| 667 swig_lua_class* clss; | |
| 668 assert(lua_isuserdata(L,-1)); /* just in case */ | |
| 669 usr=(swig_lua_userdata*)lua_touserdata(L,-1); /* get it */ | |
| 670 /* if must be destroyed & has a destructor */ | |
| 671 if (usr->own) /* if must be destroyed */ | |
| 672 { | |
| 673 clss=(swig_lua_class*)usr->type->clientdata; /* get the class */ | |
| 674 if (clss && clss->destructor) /* there is a destroy fn */ | |
| 675 { | |
| 676 clss->destructor(usr->ptr); /* bye bye */ | |
| 677 } | |
| 678 } | |
| 679 return 0; | |
| 680 } | |
| 681 | |
| 682 /* the class.__tostring method called by the interpreter and print */ | |
| 683 SWIGINTERN int SWIG_Lua_class_tostring(lua_State* L) | |
| 684 { | |
| 685 /* there should be 1 param passed in | |
| 686 (1) userdata (not the metatable) */ | |
| 687 assert(lua_isuserdata(L,1)); /* just in case */ | |
| 688 unsigned long userData = (unsigned long)lua_touserdata(L,1); /* get the userdata address for later */ | |
| 689 lua_getmetatable(L,1); /* get the meta table */ | |
| 690 assert(lua_istable(L,-1)); /* just in case */ | |
| 691 | |
| 692 lua_getfield(L, -1, ".type"); | |
| 693 const char* className = lua_tostring(L, -1); | |
| 694 | |
| 695 char output[256]; | |
| 696 sprintf(output, "<%s userdata: %lX>", className, userData); | |
| 697 | |
| 698 lua_pushstring(L, (const char*)output); | |
| 699 return 1; | |
| 700 } | |
| 701 | |
| 702 /* to manually disown some userdata */ | |
| 703 SWIGINTERN int SWIG_Lua_class_disown(lua_State* L) | |
| 704 { | |
| 705 /* there should be 1 params passed in | |
| 706 (1) userdata (not the meta table) */ | |
| 707 swig_lua_userdata* usr; | |
| 708 assert(lua_isuserdata(L,-1)); /* just in case */ | |
| 709 usr=(swig_lua_userdata*)lua_touserdata(L,-1); /* get it */ | |
| 710 | |
| 711 usr->own = 0; /* clear our ownership */ | |
| 712 return 0; | |
| 713 } | |
| 714 | |
| 715 /* Constructor proxy. Used when class name entry in module is not class constructor, | |
| 716 but special table instead. */ | |
| 717 SWIGINTERN int SWIG_Lua_constructor_proxy(lua_State* L) | |
| 718 { | |
| 719 /* unlimited number of parameters | |
| 720 First one is our proxy table and we should remove it | |
| 721 Other we should pass to real constructor | |
| 722 */ | |
| 723 assert(lua_istable(L,1)); | |
| 724 lua_pushstring(L,".constructor"); | |
| 725 lua_rawget(L,1); | |
| 726 assert(!lua_isnil(L,-1)); | |
| 727 lua_replace(L,1); /* replace our table with real constructor */ | |
| 728 lua_call(L,lua_gettop(L)-1,1); | |
| 729 return 1; | |
| 730 } | |
| 731 | |
| 732 /* gets the swig class registry (or creates it) */ | |
| 733 SWIGINTERN void SWIG_Lua_get_class_registry(lua_State* L) | |
| 734 { | |
| 735 /* add this all into the swig registry: */ | |
| 736 lua_pushstring(L,"SWIG"); | |
| 737 lua_rawget(L,LUA_REGISTRYINDEX); /* get the registry */ | |
| 738 if (!lua_istable(L,-1)) /* not there */ | |
| 739 { /* must be first time, so add it */ | |
| 740 lua_pop(L,1); /* remove the result */ | |
| 741 lua_pushstring(L,"SWIG"); | |
| 742 lua_newtable(L); | |
| 743 lua_rawset(L,LUA_REGISTRYINDEX); | |
| 744 /* then get it */ | |
| 745 lua_pushstring(L,"SWIG"); | |
| 746 lua_rawget(L,LUA_REGISTRYINDEX); | |
| 747 } | |
| 748 } | |
| 749 | |
| 750 /* helper fn to get the classes metatable from the register */ | |
| 751 SWIGINTERN void SWIG_Lua_get_class_metatable(lua_State* L,const char* cname) | |
| 752 { | |
| 753 SWIG_Lua_get_class_registry(L); /* get the registry */ | |
| 754 lua_pushstring(L,cname); /* get the name */ | |
| 755 lua_rawget(L,-2); /* get it */ | |
| 756 lua_remove(L,-2); /* tidy up (remove registry) */ | |
| 757 } | |
| 758 | |
| 759 /* helper add a variable to a registered class */ | |
| 760 SWIGINTERN void SWIG_Lua_add_class_variable(lua_State* L,const char* name,lua_CFunction getFn,lua_CFunction setFn) | |
| 761 { | |
| 762 assert(lua_istable(L,-1)); /* just in case */ | |
| 763 SWIG_Lua_get_table(L,".get"); /* find the .get table */ | |
| 764 assert(lua_istable(L,-1)); /* just in case */ | |
| 765 SWIG_Lua_add_function(L,name,getFn); | |
| 766 lua_pop(L,1); /* tidy stack (remove table) */ | |
| 767 if (setFn) | |
| 768 { | |
| 769 SWIG_Lua_get_table(L,".set"); /* find the .set table */ | |
| 770 assert(lua_istable(L,-1)); /* just in case */ | |
| 771 SWIG_Lua_add_function(L,name,setFn); | |
| 772 lua_pop(L,1); /* tidy stack (remove table) */ | |
| 773 } | |
| 774 } | |
| 775 | |
| 776 /* helper to recursively add class static details (static attributes, operations and constants) */ | |
| 777 SWIGINTERN void SWIG_Lua_add_class_static_details(lua_State* L, swig_lua_class* clss) | |
| 778 { | |
| 779 int i = 0; | |
| 780 /* The class namespace table must be on the top of the stack */ | |
| 781 assert(lua_istable(L,-1)); | |
| 782 /* call all the base classes first: we can then override these later: */ | |
| 783 for(i=0;clss->bases[i];i++) | |
| 784 { | |
| 785 SWIG_Lua_add_class_static_details(L,clss->bases[i]); | |
| 786 } | |
| 787 | |
| 788 SWIG_Lua_add_namespace_details(L, &clss->cls_static); | |
| 789 } | |
| 790 | |
| 791 /* helper to recursively add class details (attributes & operations) */ | |
| 792 SWIGINTERN void SWIG_Lua_add_class_details(lua_State* L,swig_lua_class* clss) | |
| 793 { | |
| 794 int i; | |
| 795 /* call all the base classes first: we can then override these later: */ | |
| 796 for(i=0;clss->bases[i];i++) | |
| 797 { | |
| 798 SWIG_Lua_add_class_details(L,clss->bases[i]); | |
| 799 } | |
| 800 /* add fns */ | |
| 801 for(i=0;clss->attributes[i].name;i++){ | |
| 802 SWIG_Lua_add_class_variable(L,clss->attributes[i].name,clss->attributes[i].getmethod,clss->attributes[i].setmethod); | |
| 803 } | |
| 804 /* add methods to the metatable */ | |
| 805 SWIG_Lua_get_table(L,".fn"); /* find the .fn table */ | |
| 806 assert(lua_istable(L,-1)); /* just in case */ | |
| 807 for(i=0;clss->methods[i].name;i++){ | |
| 808 SWIG_Lua_add_function(L,clss->methods[i].name,clss->methods[i].method); | |
| 809 } | |
| 810 lua_pop(L,1); /* tidy stack (remove table) */ | |
| 811 /* add operator overloads | |
| 812 these look ANY method which start with "__" and assume they | |
| 813 are operator overloads & add them to the metatable | |
| 814 (this might mess up is someone defines a method __gc (the destructor)*/ | |
| 815 for(i=0;clss->methods[i].name;i++){ | |
| 816 if (clss->methods[i].name[0]=='_' && clss->methods[i].name[1]=='_'){ | |
| 817 SWIG_Lua_add_function(L,clss->methods[i].name,clss->methods[i].method); | |
| 818 } | |
| 819 } | |
| 820 } | |
| 821 | |
| 822 /* set up the base classes pointers. | |
| 823 Each class structure has a list of pointers to the base class structures. | |
| 824 This function fills them. | |
| 825 It cannot be done at compile time, as this will not work with hireachies | |
| 826 spread over more than one swig file. | |
| 827 Therefore it must be done at runtime, querying the SWIG type system. | |
| 828 */ | |
| 829 SWIGINTERN void SWIG_Lua_init_base_class(lua_State* L,swig_lua_class* clss) | |
| 830 { | |
| 831 int i=0; | |
| 832 swig_module_info* module=SWIG_GetModule(L); | |
| 833 for(i=0;clss->base_names[i];i++) | |
| 834 { | |
| 835 if (clss->bases[i]==0) /* not found yet */ | |
| 836 { | |
| 837 /* lookup and cache the base class */ | |
| 838 swig_type_info *info = SWIG_TypeQueryModule(module,module,clss->base_names[i]); | |
| 839 if (info) clss->bases[i] = (swig_lua_class *) info->clientdata; | |
| 840 } | |
| 841 } | |
| 842 } | |
| 843 | |
| 844 /* Register class static methods,attributes etc as well as constructor proxy */ | |
| 845 SWIGINTERN void SWIG_Lua_class_register_static(lua_State* L, swig_lua_class* clss) | |
| 846 { | |
| 847 lua_checkstack(L,5); /* just in case */ | |
| 848 assert(lua_istable(L,-1)); /* just in case */ | |
| 849 assert(strcmp(clss->name, clss->cls_static.name) == 0); /* in class those 2 must be equal */ | |
| 850 | |
| 851 SWIG_Lua_namespace_register(L,&clss->cls_static); | |
| 852 | |
| 853 SWIG_Lua_get_table(L,clss->name); // Get namespace table back | |
| 854 assert(lua_istable(L,-1)); /* just in case */ | |
| 855 | |
| 856 /* add its constructor to module with the name of the class | |
| 857 so you can do MyClass(...) as well as new_MyClass(...) | |
| 858 BUT only if a constructor is defined | |
| 859 (this overcomes the problem of pure virtual classes without constructors)*/ | |
| 860 if (clss->constructor) | |
| 861 { | |
| 862 SWIG_Lua_add_function(L,".constructor", clss->constructor); | |
| 863 lua_getmetatable(L,-1); | |
| 864 assert(lua_istable(L,-1)); /* just in case */ | |
| 865 SWIG_Lua_add_function(L,"__call", SWIG_Lua_constructor_proxy); | |
| 866 lua_pop(L,1); | |
| 867 } | |
| 868 | |
| 869 assert(lua_istable(L,-1)); /* just in case */ | |
| 870 SWIG_Lua_add_class_static_details(L, clss); | |
| 871 | |
| 872 /* clear stack */ | |
| 873 lua_pop(L,1); | |
| 874 } | |
| 875 | |
| 876 /* performs the entire class registration process */ | |
| 877 SWIGINTERN void SWIG_Lua_class_register(lua_State* L,swig_lua_class* clss) | |
| 878 { | |
| 879 SWIG_Lua_class_register_static(L,clss); | |
| 880 | |
| 881 SWIG_Lua_get_class_registry(L); /* get the registry */ | |
| 882 lua_pushstring(L,clss->name); /* get the name */ | |
| 883 lua_newtable(L); /* create the metatable */ | |
| 884 /* add string of class name called ".type" */ | |
| 885 lua_pushstring(L,".type"); | |
| 886 lua_pushstring(L,clss->name); | |
| 887 lua_rawset(L,-3); | |
| 888 /* add a table called ".get" */ | |
| 889 lua_pushstring(L,".get"); | |
| 890 lua_newtable(L); | |
| 891 lua_rawset(L,-3); | |
| 892 /* add a table called ".set" */ | |
| 893 lua_pushstring(L,".set"); | |
| 894 lua_newtable(L); | |
| 895 lua_rawset(L,-3); | |
| 896 /* add a table called ".fn" */ | |
| 897 lua_pushstring(L,".fn"); | |
| 898 lua_newtable(L); | |
| 899 /* add manual disown method */ | |
| 900 SWIG_Lua_add_function(L,"__disown",SWIG_Lua_class_disown); | |
| 901 lua_rawset(L,-3); | |
| 902 /* add accessor fns for using the .get,.set&.fn */ | |
| 903 SWIG_Lua_add_function(L,"__index",SWIG_Lua_class_get); | |
| 904 SWIG_Lua_add_function(L,"__newindex",SWIG_Lua_class_set); | |
| 905 SWIG_Lua_add_function(L,"__gc",SWIG_Lua_class_destruct); | |
| 906 /* add tostring method for better output */ | |
| 907 SWIG_Lua_add_function(L,"__tostring",SWIG_Lua_class_tostring); | |
| 908 /* add it */ | |
| 909 lua_rawset(L,-3); /* metatable into registry */ | |
| 910 lua_pop(L,1); /* tidy stack (remove registry) */ | |
| 911 | |
| 912 SWIG_Lua_get_class_metatable(L,clss->name); | |
| 913 SWIG_Lua_add_class_details(L,clss); /* recursive adding of details (atts & ops) */ | |
| 914 lua_pop(L,1); /* tidy stack (remove class metatable) */ | |
| 915 } | |
| 916 | |
| 917 /* ----------------------------------------------------------------------------- | |
| 918 * Class/structure conversion fns | |
| 919 * ----------------------------------------------------------------------------- */ | |
| 920 | |
| 921 /* helper to add metatable to new lua object */ | |
| 922 SWIGINTERN void _SWIG_Lua_AddMetatable(lua_State* L,swig_type_info *type) | |
| 923 { | |
| 924 if (type->clientdata) /* there is clientdata: so add the metatable */ | |
| 925 { | |
| 926 SWIG_Lua_get_class_metatable(L,((swig_lua_class*)(type->clientdata))->name); | |
| 927 if (lua_istable(L,-1)) | |
| 928 { | |
| 929 lua_setmetatable(L,-2); | |
| 930 } | |
| 931 else | |
| 932 { | |
| 933 lua_pop(L,1); | |
| 934 } | |
| 935 } | |
| 936 } | |
| 937 | |
| 938 /* pushes a new object into the lua stack */ | |
| 939 SWIGRUNTIME void SWIG_Lua_NewPointerObj(lua_State* L,void* ptr,swig_type_info *type, int own) | |
| 940 { | |
| 941 swig_lua_userdata* usr; | |
| 942 if (!ptr){ | |
| 943 lua_pushnil(L); | |
| 944 return; | |
| 945 } | |
| 946 usr=(swig_lua_userdata*)lua_newuserdata(L,sizeof(swig_lua_userdata)); /* get data */ | |
| 947 usr->ptr=ptr; /* set the ptr */ | |
| 948 usr->type=type; | |
| 949 usr->own=own; | |
| 950 #if (SWIG_LUA_TARGET != SWIG_LUA_FLAVOR_ELUAC) | |
| 951 _SWIG_Lua_AddMetatable(L,type); /* add metatable */ | |
| 952 #endif | |
| 953 } | |
| 954 | |
| 955 /* takes a object from the lua stack & converts it into an object of the correct type | |
| 956 (if possible) */ | |
| 957 SWIGRUNTIME int SWIG_Lua_ConvertPtr(lua_State* L,int index,void** ptr,swig_type_info *type,int flags) | |
| 958 { | |
| 959 swig_lua_userdata* usr; | |
| 960 swig_cast_info *cast; | |
| 961 if (lua_isnil(L,index)){*ptr=0; return SWIG_OK;} /* special case: lua nil => NULL pointer */ | |
| 962 usr=(swig_lua_userdata*)lua_touserdata(L,index); /* get data */ | |
| 963 if (usr) | |
| 964 { | |
| 965 if (flags & SWIG_POINTER_DISOWN) /* must disown the object */ | |
| 966 { | |
| 967 usr->own=0; | |
| 968 } | |
| 969 if (!type) /* special cast void*, no casting fn */ | |
| 970 { | |
| 971 *ptr=usr->ptr; | |
| 972 return SWIG_OK; /* ok */ | |
| 973 } | |
| 974 cast=SWIG_TypeCheckStruct(usr->type,type); /* performs normal type checking */ | |
| 975 if (cast) | |
| 976 { | |
| 977 int newmemory = 0; | |
| 978 *ptr=SWIG_TypeCast(cast,usr->ptr,&newmemory); | |
| 979 assert(!newmemory); /* newmemory handling not yet implemented */ | |
| 980 return SWIG_OK; /* ok */ | |
| 981 } | |
| 982 } | |
| 983 return SWIG_ERROR; /* error */ | |
| 984 } | |
| 985 | |
| 986 SWIGRUNTIME void* SWIG_Lua_MustGetPtr(lua_State* L,int index,swig_type_info *type,int flags, | |
| 987 int argnum,const char* func_name){ | |
| 988 void* result; | |
| 989 if (!SWIG_IsOK(SWIG_ConvertPtr(L,index,&result,type,flags))){ | |
| 990 luaL_error (L,"Error in %s, expected a %s at argument number %d\n", | |
| 991 func_name,(type && type->str)?type->str:"void*",argnum); | |
| 992 } | |
| 993 return result; | |
| 994 } | |
| 995 | |
| 996 /* pushes a packed userdata. user for member fn pointers only */ | |
| 997 SWIGRUNTIME void SWIG_Lua_NewPackedObj(lua_State* L,void* ptr,size_t size,swig_type_info *type) | |
| 998 { | |
| 999 swig_lua_rawdata* raw; | |
| 1000 assert(ptr); /* not acceptable to pass in a NULL value */ | |
| 1001 raw=(swig_lua_rawdata*)lua_newuserdata(L,sizeof(swig_lua_rawdata)-1+size); /* alloc data */ | |
| 1002 raw->type=type; | |
| 1003 raw->own=0; | |
| 1004 memcpy(raw->data,ptr,size); /* copy the data */ | |
| 1005 _SWIG_Lua_AddMetatable(L,type); /* add metatable */ | |
| 1006 } | |
| 1007 | |
| 1008 /* converts a packed userdata. user for member fn pointers only */ | |
| 1009 SWIGRUNTIME int SWIG_Lua_ConvertPacked(lua_State* L,int index,void* ptr,size_t size,swig_type_info *type) | |
| 1010 { | |
| 1011 swig_lua_rawdata* raw; | |
| 1012 raw=(swig_lua_rawdata*)lua_touserdata(L,index); /* get data */ | |
| 1013 if (!raw) return SWIG_ERROR; /* error */ | |
| 1014 if (type==0 || type==raw->type) /* void* or identical type */ | |
| 1015 { | |
| 1016 memcpy(ptr,raw->data,size); /* copy it */ | |
| 1017 return SWIG_OK; /* ok */ | |
| 1018 } | |
| 1019 return SWIG_ERROR; /* error */ | |
| 1020 } | |
| 1021 | |
| 1022 /* a function to get the typestring of a piece of data */ | |
| 1023 SWIGRUNTIME const char *SWIG_Lua_typename(lua_State *L, int tp) | |
| 1024 { | |
| 1025 swig_lua_userdata* usr; | |
| 1026 if (lua_isuserdata(L,tp)) | |
| 1027 { | |
| 1028 usr=(swig_lua_userdata*)lua_touserdata(L,tp); /* get data */ | |
| 1029 if (usr && usr->type && usr->type->str) | |
| 1030 return usr->type->str; | |
| 1031 return "userdata (unknown type)"; | |
| 1032 } | |
| 1033 return lua_typename(L,lua_type(L,tp)); | |
| 1034 } | |
| 1035 | |
| 1036 /* lua callable function to get the userdata's type */ | |
| 1037 SWIGRUNTIME int SWIG_Lua_type(lua_State* L) | |
| 1038 { | |
| 1039 lua_pushstring(L,SWIG_Lua_typename(L,1)); | |
| 1040 return 1; | |
| 1041 } | |
| 1042 | |
| 1043 /* lua callable function to compare userdata's value | |
| 1044 the issue is that two userdata may point to the same thing | |
| 1045 but to lua, they are different objects */ | |
| 1046 SWIGRUNTIME int SWIG_Lua_equal(lua_State* L) | |
| 1047 { | |
| 1048 int result; | |
| 1049 swig_lua_userdata *usr1,*usr2; | |
| 1050 if (!lua_isuserdata(L,1) || !lua_isuserdata(L,2)) /* just in case */ | |
| 1051 return 0; /* nil reply */ | |
| 1052 usr1=(swig_lua_userdata*)lua_touserdata(L,1); /* get data */ | |
| 1053 usr2=(swig_lua_userdata*)lua_touserdata(L,2); /* get data */ | |
| 1054 /*result=(usr1->ptr==usr2->ptr && usr1->type==usr2->type); only works if type is the same*/ | |
| 1055 result=(usr1->ptr==usr2->ptr); | |
| 1056 lua_pushboolean(L,result); | |
| 1057 return 1; | |
| 1058 } | |
| 1059 | |
| 1060 /* ----------------------------------------------------------------------------- | |
| 1061 * global variable support code: class/struct typemap functions | |
| 1062 * ----------------------------------------------------------------------------- */ | |
| 1063 | |
| 1064 #if ((SWIG_LUA_TARGET != SWIG_LUA_FLAVOR_ELUA) && (SWIG_LUA_TARGET != SWIG_LUA_FLAVOR_ELUAC)) | |
| 1065 /* Install Constants */ | |
| 1066 SWIGINTERN void | |
| 1067 SWIG_Lua_InstallConstants(lua_State* L, swig_lua_const_info constants[]) { | |
| 1068 int i; | |
| 1069 for (i = 0; constants[i].type; i++) { | |
| 1070 switch(constants[i].type) { | |
| 1071 case SWIG_LUA_INT: | |
| 1072 lua_pushstring(L,constants[i].name); | |
| 1073 lua_pushnumber(L,(lua_Number)constants[i].lvalue); | |
| 1074 lua_rawset(L,-3); | |
| 1075 break; | |
| 1076 case SWIG_LUA_FLOAT: | |
| 1077 lua_pushstring(L,constants[i].name); | |
| 1078 lua_pushnumber(L,(lua_Number)constants[i].dvalue); | |
| 1079 lua_rawset(L,-3); | |
| 1080 break; | |
| 1081 case SWIG_LUA_CHAR: | |
| 1082 lua_pushstring(L,constants[i].name); | |
| 1083 lua_pushfstring(L,"%c",(char)constants[i].lvalue); | |
| 1084 lua_rawset(L,-3); | |
| 1085 break; | |
| 1086 case SWIG_LUA_STRING: | |
| 1087 lua_pushstring(L,constants[i].name); | |
| 1088 lua_pushstring(L,(char *) constants[i].pvalue); | |
| 1089 lua_rawset(L,-3); | |
| 1090 break; | |
| 1091 case SWIG_LUA_POINTER: | |
| 1092 lua_pushstring(L,constants[i].name); | |
| 1093 SWIG_NewPointerObj(L,constants[i].pvalue, *(constants[i]).ptype,0); | |
| 1094 lua_rawset(L,-3); | |
| 1095 break; | |
| 1096 case SWIG_LUA_BINARY: | |
| 1097 lua_pushstring(L,constants[i].name); | |
| 1098 SWIG_NewMemberObj(L,constants[i].pvalue,constants[i].lvalue,*(constants[i]).ptype); | |
| 1099 lua_rawset(L,-3); | |
| 1100 break; | |
| 1101 default: | |
| 1102 break; | |
| 1103 } | |
| 1104 } | |
| 1105 } | |
| 1106 #endif | |
| 1107 | |
| 1108 /* ----------------------------------------------------------------------------- | |
| 1109 * executing lua code from within the wrapper | |
| 1110 * ----------------------------------------------------------------------------- */ | |
| 1111 | |
| 1112 #ifndef SWIG_DOSTRING_FAIL /* Allows redefining of error function */ | |
| 1113 #define SWIG_DOSTRING_FAIL(S) fprintf(stderr,"%s\n",S) | |
| 1114 #endif | |
| 1115 /* Executes a C string in Lua which is a really simple way of calling lua from C | |
| 1116 Unfortunately lua keeps changing its APIs, so we need a conditional compile | |
| 1117 In lua 5.0.X its lua_dostring() | |
| 1118 In lua 5.1.X its luaL_dostring() | |
| 1119 */ | |
| 1120 SWIGINTERN int | |
| 1121 SWIG_Lua_dostring(lua_State *L, const char* str) { | |
| 1122 int ok,top; | |
| 1123 if (str==0 || str[0]==0) return 0; /* nothing to do */ | |
| 1124 top=lua_gettop(L); /* save stack */ | |
| 1125 #if (defined(LUA_VERSION_NUM) && (LUA_VERSION_NUM>=501)) | |
| 1126 ok=luaL_dostring(L,str); /* looks like this is lua 5.1.X or later, good */ | |
| 1127 #else | |
| 1128 ok=lua_dostring(L,str); /* might be lua 5.0.x, using lua_dostring */ | |
| 1129 #endif | |
| 1130 if (ok!=0) { | |
| 1131 SWIG_DOSTRING_FAIL(lua_tostring(L,-1)); | |
| 1132 } | |
| 1133 lua_settop(L,top); /* restore the stack */ | |
| 1134 return ok; | |
| 1135 } | |
| 1136 | |
| 1137 #ifdef __cplusplus | |
| 1138 } | |
| 1139 #endif | |
| 1140 | |
| 1141 /* ------------------------------ end luarun.swg ------------------------------ */ |