src/squirrel/squirrel/sqbaselib.cpp

   1 /*\r
   2         see copyright notice in squirrel.h\r
   3 */\r
   4 #include "sqpcheader.h"\r
   5 #include "sqvm.h"\r
   6 #include "sqstring.h"\r
   7 #include "sqtable.h"\r
   8 #include "sqarray.h"\r
   9 #include "sqfuncproto.h"\r
  10 #include "sqclosure.h"\r
  11 #include "sqclass.h"\r
  12 #include <stdlib.h>\r
  13 #include <stdarg.h>\r
  14 #include <ctype.h>\r
  15 \r
  16 bool str2num(const SQChar *s,SQObjectPtr &res)\r
  17 {\r
  18         SQChar *end;\r
  19         if(scstrstr(s,_SC("."))){\r
  20                 SQFloat r = SQFloat(scstrtod(s,&end));\r
  21                 if(s == end) return false;\r
  22                 res = r;\r
  23                 return true;\r
  24         }\r
  25         else{\r
  26                 SQInteger r = SQInteger(scstrtol(s,&end,10));\r
  27                 if(s == end) return false;\r
  28                 res = r;\r
  29                 return true;\r
  30         }\r
  31 }\r
  32 \r
  33 #ifndef NO_GARBAGE_COLLECTOR\r
  34 static SQInteger base_collectgarbage(HSQUIRRELVM v)\r
  35 {\r
  36         sq_pushinteger(v, sq_collectgarbage(v));\r
  37         return 1;\r
  38 }\r
  39 #endif\r
  40 \r
  41 static SQInteger base_getroottable(HSQUIRRELVM v)\r
  42 {\r
  43         v->Push(v->_roottable);\r
  44         return 1;\r
  45 }\r
  46 \r
  47 static SQInteger base_setroottable(HSQUIRRELVM v)\r
  48 {\r
  49         SQObjectPtr &o=stack_get(v,2);\r
  50         if(SQ_FAILED(sq_setroottable(v))) return SQ_ERROR;\r
  51         v->Push(o);\r
  52         return 1;\r
  53 }\r
  54 \r
  55 static SQInteger base_seterrorhandler(HSQUIRRELVM v)\r
  56 {\r
  57         sq_seterrorhandler(v);\r
  58         return 0;\r
  59 }\r
  60 \r
  61 static SQInteger base_setdebughook(HSQUIRRELVM v)\r
  62 {\r
  63         sq_setdebughook(v);\r
  64         return 0;\r
  65 }\r
  66 \r
  67 static SQInteger base_enabledebuginfo(HSQUIRRELVM v)\r
  68 {\r
  69         SQObjectPtr &o=stack_get(v,2);\r
  70         sq_enabledebuginfo(v,(type(o) != OT_NULL)?1:0);\r
  71         return 0;\r
  72 }\r
  73 \r
  74 static SQInteger base_getstackinfos(HSQUIRRELVM v)\r
  75 {\r
  76         SQInteger level;\r
  77         SQStackInfos si;\r
  78         SQInteger seq = 0;\r
  79         const SQChar *name = NULL;\r
  80         sq_getinteger(v, -1, &level);\r
  81         if (SQ_SUCCEEDED(sq_stackinfos(v, level, &si)))\r
  82         {\r
  83                 const SQChar *fn = _SC("unknown");\r
  84                 const SQChar *src = _SC("unknown");\r
  85                 if(si.funcname)fn = si.funcname;\r
  86                 if(si.source)src = si.source;\r
  87                 sq_newtable(v);\r
  88                 sq_pushstring(v, _SC("func"), -1);\r
  89                 sq_pushstring(v, fn, -1);\r
  90                 sq_createslot(v, -3);\r
  91                 sq_pushstring(v, _SC("src"), -1);\r
  92                 sq_pushstring(v, src, -1);\r
  93                 sq_createslot(v, -3);\r
  94                 sq_pushstring(v, _SC("line"), -1);\r
  95                 sq_pushinteger(v, si.line);\r
  96                 sq_createslot(v, -3);\r
  97                 sq_pushstring(v, _SC("locals"), -1);\r
  98                 sq_newtable(v);\r
  99                 seq=0;\r
 100                 while (name = sq_getlocal(v, level, seq)) {\r
 101                         sq_pushstring(v, name, -1);\r
 102                         sq_push(v, -2);\r
 103                         sq_createslot(v, -4);\r
 104                         sq_pop(v, 1);\r
 105                         seq++;\r
 106                 }\r
 107                 sq_createslot(v, -3);\r
 108                 return 1;\r
 109         }\r
 110 \r
 111         return 0;\r
 112 }\r
 113 \r
 114 static SQInteger base_assert(HSQUIRRELVM v)\r
 115 {\r
 116         if(v->IsFalse(stack_get(v,2))){\r
 117                 return sq_throwerror(v,_SC("assertion failed"));\r
 118         }\r
 119         return 0;\r
 120 }\r
 121 \r
 122 static SQInteger get_slice_params(HSQUIRRELVM v,SQInteger &sidx,SQInteger &eidx,SQObjectPtr &o)\r
 123 {\r
 124         SQInteger top = sq_gettop(v);\r
 125         sidx=0;\r
 126         eidx=0;\r
 127         o=stack_get(v,1);\r
 128         SQObjectPtr &start=stack_get(v,2);\r
 129         if(type(start)!=OT_NULL && sq_isnumeric(start)){\r
 130                 sidx=tointeger(start);\r
 131         }\r
 132         if(top>2){\r
 133                 SQObjectPtr &end=stack_get(v,3);\r
 134                 if(sq_isnumeric(end)){\r
 135                         eidx=tointeger(end);\r
 136                 }\r
 137         }\r
 138         else {\r
 139                 eidx = sq_getsize(v,1);\r
 140         }\r
 141         return 1;\r
 142 }\r
 143 \r
 144 static SQInteger base_print(HSQUIRRELVM v)\r
 145 {\r
 146         const SQChar *str;\r
 147         sq_tostring(v,2);\r
 148         sq_getstring(v,-1,&str);\r
 149         if(_ss(v)->_printfunc) _ss(v)->_printfunc(v,_SC("%s"),str);\r
 150         return 0;\r
 151 }\r
 152 \r
 153 static SQInteger base_compilestring(HSQUIRRELVM v)\r
 154 {\r
 155         SQInteger nargs=sq_gettop(v);\r
 156         const SQChar *src=NULL,*name=_SC("unnamedbuffer");\r
 157         SQInteger size;\r
 158         sq_getstring(v,2,&src);\r
 159         size=sq_getsize(v,2);\r
 160         if(nargs>2){\r
 161                 sq_getstring(v,3,&name);\r
 162         }\r
 163         if(SQ_SUCCEEDED(sq_compilebuffer(v,src,size,name,SQFalse)))\r
 164                 return 1;\r
 165         else\r
 166                 return SQ_ERROR;\r
 167 }\r
 168 \r
 169 static SQInteger base_newthread(HSQUIRRELVM v)\r
 170 {\r
 171         SQObjectPtr &func = stack_get(v,2);\r
 172         SQInteger stksize = (_funcproto(_closure(func)->_function)->_stacksize << 1) +2;\r
 173         HSQUIRRELVM newv = sq_newthread(v, (stksize < MIN_STACK_OVERHEAD + 2)? MIN_STACK_OVERHEAD + 2 : stksize);\r
 174         sq_move(newv,v,-2);\r
 175         return 1;\r
 176 }\r
 177 \r
 178 static SQInteger base_suspend(HSQUIRRELVM v)\r
 179 {\r
 180         return sq_suspendvm(v);\r
 181 }\r
 182 \r
 183 static SQInteger base_array(HSQUIRRELVM v)\r
 184 {\r
 185         SQArray *a;\r
 186         SQObject &size = stack_get(v,2);\r
 187         if(sq_gettop(v) > 2) {\r
 188                 a = SQArray::Create(_ss(v),0);\r
 189                 a->Resize(tointeger(size),stack_get(v,3));\r
 190         }\r
 191         else {\r
 192                 a = SQArray::Create(_ss(v),tointeger(size));\r
 193         }\r
 194         v->Push(a);\r
 195         return 1;\r
 196 }\r
 197 \r
 198 static SQInteger base_type(HSQUIRRELVM v)\r
 199 {\r
 200         SQObjectPtr &o = stack_get(v,2);\r
 201         v->Push(SQString::Create(_ss(v),GetTypeName(o),-1));\r
 202         return 1;\r
 203 }\r
 204 \r
 205 static SQRegFunction base_funcs[]={\r
 206         //generic\r
 207         {_SC("seterrorhandler"),base_seterrorhandler,2, NULL},\r
 208         {_SC("setdebughook"),base_setdebughook,2, NULL},\r
 209         {_SC("enabledebuginfo"),base_enabledebuginfo,2, NULL},\r
 210         {_SC("getstackinfos"),base_getstackinfos,2, _SC(".n")},\r
 211         {_SC("getroottable"),base_getroottable,1, NULL},\r
 212         {_SC("setroottable"),base_setroottable,2, NULL},\r
 213         {_SC("assert"),base_assert,2, NULL},\r
 214         {_SC("print"),base_print,2, NULL},\r
 215         {_SC("compilestring"),base_compilestring,-2, _SC(".ss")},\r
 216         {_SC("newthread"),base_newthread,2, _SC(".c")},\r
 217         {_SC("suspend"),base_suspend,-1, NULL},\r
 218         {_SC("array"),base_array,-2, _SC(".n")},\r
 219         {_SC("type"),base_type,2, NULL},\r
 220 #ifndef NO_GARBAGE_COLLECTOR\r
 221         {_SC("collectgarbage"),base_collectgarbage,1, _SC("t")},\r
 222 #endif\r
 223         {0,0}\r
 224 };\r
 225 \r
 226 void sq_base_register(HSQUIRRELVM v)\r
 227 {\r
 228         SQInteger i=0;\r
 229         sq_pushroottable(v);\r
 230         while(base_funcs[i].name!=0) {\r
 231                 sq_pushstring(v,base_funcs[i].name,-1);\r
 232                 sq_newclosure(v,base_funcs[i].f,0);\r
 233                 sq_setnativeclosurename(v,-1,base_funcs[i].name);\r
 234                 sq_setparamscheck(v,base_funcs[i].nparamscheck,base_funcs[i].typemask);\r
 235                 sq_createslot(v,-3);\r
 236                 i++;\r
 237         }\r
 238         sq_pushstring(v,_SC("_charsize_"),-1);\r
 239         sq_pushinteger(v,sizeof(SQChar));\r
 240         sq_createslot(v,-3);\r
 241         sq_pop(v,1);\r
 242 }\r
 243 \r
 244 static SQInteger default_delegate_len(HSQUIRRELVM v)\r
 245 {\r
 246         v->Push(SQInteger(sq_getsize(v,1)));\r
 247         return 1;\r
 248 }\r
 249 \r
 250 static SQInteger default_delegate_tofloat(HSQUIRRELVM v)\r
 251 {\r
 252         SQObjectPtr &o=stack_get(v,1);\r
 253         switch(type(o)){\r
 254         case OT_STRING:{\r
 255                 SQObjectPtr res;\r
 256                 if(str2num(_stringval(o),res)){\r
 257                         v->Push(SQObjectPtr(tofloat(res)));\r
 258                         break;\r
 259                 }}\r
 260                 return sq_throwerror(v, _SC("cannot convert the string"));\r
 261                 break;\r
 262         case OT_INTEGER:case OT_FLOAT:\r
 263                 v->Push(SQObjectPtr(tofloat(o)));\r
 264                 break;\r
 265         case OT_BOOL:\r
 266                 v->Push(SQObjectPtr((SQFloat)(_integer(o)?1:0)));\r
 267                 break;\r
 268         default:\r
 269                 v->Push(_null_);\r
 270                 break;\r
 271         }\r
 272         return 1;\r
 273 }\r
 274 \r
 275 static SQInteger default_delegate_tointeger(HSQUIRRELVM v)\r
 276 {\r
 277         SQObjectPtr &o=stack_get(v,1);\r
 278         switch(type(o)){\r
 279         case OT_STRING:{\r
 280                 SQObjectPtr res;\r
 281                 if(str2num(_stringval(o),res)){\r
 282                         v->Push(SQObjectPtr(tointeger(res)));\r
 283                         break;\r
 284                 }}\r
 285                 return sq_throwerror(v, _SC("cannot convert the string"));\r
 286                 break;\r
 287         case OT_INTEGER:case OT_FLOAT:\r
 288                 v->Push(SQObjectPtr(tointeger(o)));\r
 289                 break;\r
 290         case OT_BOOL:\r
 291                 v->Push(SQObjectPtr(_integer(o)?1:0));\r
 292                 break;\r
 293         default:\r
 294                 v->Push(_null_);\r
 295                 break;\r
 296         }\r
 297         return 1;\r
 298 }\r
 299 \r
 300 static SQInteger default_delegate_tostring(HSQUIRRELVM v)\r
 301 {\r
 302         sq_tostring(v,1);\r
 303         return 1;\r
 304 }\r
 305 \r
 306 static SQInteger obj_delegate_weakref(HSQUIRRELVM v)\r
 307 {\r
 308         sq_weakref(v,1);\r
 309         return 1;\r
 310 }\r
 311 \r
 312 static SQInteger number_delegate_tochar(HSQUIRRELVM v)\r
 313 {\r
 314         SQObject &o=stack_get(v,1);\r
 315         SQChar c=tointeger(o);\r
 316         v->Push(SQString::Create(_ss(v),(const SQChar *)&c,1));\r
 317         return 1;\r
 318 }\r
 319 \r
 320 \r
 321 /////////////////////////////////////////////////////////////////\r
 322 //TABLE DEFAULT DELEGATE\r
 323 \r
 324 static SQInteger table_rawdelete(HSQUIRRELVM v)\r
 325 {\r
 326         if(SQ_FAILED(sq_rawdeleteslot(v,1,SQTrue)))\r
 327                 return SQ_ERROR;\r
 328         return 1;\r
 329 }\r
 330 \r
 331 \r
 332 static SQInteger container_rawexists(HSQUIRRELVM v)\r
 333 {\r
 334         if(SQ_SUCCEEDED(sq_rawget(v,-2))) {\r
 335                 sq_pushbool(v,SQTrue);\r
 336                 return 1;\r
 337         }\r
 338         sq_pushbool(v,SQFalse);\r
 339         return 1;\r
 340 }\r
 341 \r
 342 static SQInteger table_rawset(HSQUIRRELVM v)\r
 343 {\r
 344         return sq_rawset(v,-3);\r
 345 }\r
 346 \r
 347 \r
 348 static SQInteger table_rawget(HSQUIRRELVM v)\r
 349 {\r
 350         return SQ_SUCCEEDED(sq_rawget(v,-2))?1:SQ_ERROR;\r
 351 }\r
 352 \r
 353 SQRegFunction SQSharedState::_table_default_delegate_funcz[]={\r
 354         {_SC("len"),default_delegate_len,1, _SC("t")},\r
 355         {_SC("rawget"),table_rawget,2, _SC("t")},\r
 356         {_SC("rawset"),table_rawset,3, _SC("t")},\r
 357         {_SC("rawdelete"),table_rawdelete,2, _SC("t")},\r
 358         {_SC("rawin"),container_rawexists,2, _SC("t")},\r
 359         {_SC("weakref"),obj_delegate_weakref,1, NULL },\r
 360         {0,0}\r
 361 };\r
 362 \r
 363 //ARRAY DEFAULT DELEGATE///////////////////////////////////////\r
 364 \r
 365 static SQInteger array_append(HSQUIRRELVM v)\r
 366 {\r
 367         return sq_arrayappend(v,-2);\r
 368 }\r
 369 \r
 370 static SQInteger array_extend(HSQUIRRELVM v)\r
 371 {\r
 372         _array(stack_get(v,1))->Extend(_array(stack_get(v,2)));\r
 373         return 0;\r
 374 }\r
 375 \r
 376 static SQInteger array_reverse(HSQUIRRELVM v)\r
 377 {\r
 378         return sq_arrayreverse(v,-1);\r
 379 }\r
 380 \r
 381 static SQInteger array_pop(HSQUIRRELVM v)\r
 382 {\r
 383         return SQ_SUCCEEDED(sq_arraypop(v,1,SQTrue))?1:SQ_ERROR;\r
 384 }\r
 385 \r
 386 static SQInteger array_top(HSQUIRRELVM v)\r
 387 {\r
 388         SQObject &o=stack_get(v,1);\r
 389         if(_array(o)->Size()>0){\r
 390                 v->Push(_array(o)->Top());\r
 391                 return 1;\r
 392         }\r
 393         else return sq_throwerror(v,_SC("top() on a empty array"));\r
 394 }\r
 395 \r
 396 static SQInteger array_insert(HSQUIRRELVM v)\r
 397 {\r
 398         SQObject &o=stack_get(v,1);\r
 399         SQObject &idx=stack_get(v,2);\r
 400         SQObject &val=stack_get(v,3);\r
 401         _array(o)->Insert(idx,val);\r
 402         return 0;\r
 403 }\r
 404 \r
 405 static SQInteger array_remove(HSQUIRRELVM v)\r
 406 {\r
 407         SQObject &o = stack_get(v, 1);\r
 408         SQObject &idx = stack_get(v, 2);\r
 409         if(!sq_isnumeric(idx)) return sq_throwerror(v, _SC("wrong type"));\r
 410         SQObjectPtr val;\r
 411         if(_array(o)->Get(tointeger(idx), val)) {\r
 412                 _array(o)->Remove(tointeger(idx));\r
 413                 v->Push(val);\r
 414                 return 1;\r
 415         }\r
 416         return sq_throwerror(v, _SC("idx out of range"));\r
 417 }\r
 418 \r
 419 static SQInteger array_resize(HSQUIRRELVM v)\r
 420 {\r
 421         SQObject &o = stack_get(v, 1);\r
 422         SQObject &nsize = stack_get(v, 2);\r
 423         SQObjectPtr fill;\r
 424         if(sq_isnumeric(nsize)) {\r
 425                 if(sq_gettop(v) > 2)\r
 426                         fill = stack_get(v, 3);\r
 427                 _array(o)->Resize(tointeger(nsize),fill);\r
 428                 return 0;\r
 429         }\r
 430         return sq_throwerror(v, _SC("size must be a number"));\r
 431 }\r
 432 \r
 433 \r
 434 //QSORT ala Sedgewick\r
 435 bool _qsort_compare(HSQUIRRELVM v,SQObjectPtr &arr,SQObjectPtr &a,SQObjectPtr &b,SQInteger func,SQInteger &ret)\r
 436 {\r
 437         if(func < 0) {\r
 438                 if(!v->ObjCmp(a,b,ret)) return false;\r
 439         }\r
 440         else {\r
 441                 SQInteger top = sq_gettop(v);\r
 442                 sq_push(v, func);\r
 443                 sq_pushroottable(v);\r
 444                 v->Push(a);\r
 445                 v->Push(b);\r
 446                 if(SQ_FAILED(sq_call(v, 3, SQTrue))) {\r
 447                         v->Raise_Error(_SC("compare func failed"));\r
 448                         return false;\r
 449                 }\r
 450                 sq_getinteger(v, -1, &ret);\r
 451                 sq_settop(v, top);\r
 452                 return true;\r
 453         }\r
 454         return true;\r
 455 }\r
 456 //QSORT ala Sedgewick\r
 457 bool _qsort(HSQUIRRELVM v,SQObjectPtr &arr, SQInteger l, SQInteger r,SQInteger func)\r
 458 {\r
 459         SQInteger i, j;\r
 460         SQArray *a=_array(arr);\r
 461         SQObjectPtr pivot,t;\r
 462         if( l < r ){\r
 463                 pivot = a->_values[l];\r
 464                 i = l; j = r+1;\r
 465                 while(1){\r
 466                         SQInteger ret;\r
 467                         do { \r
 468                                 ++i; \r
 469                                 if(i > r) break;\r
 470                                 if(!_qsort_compare(v,arr,a->_values[i],pivot,func,ret))\r
 471                                         return false;\r
 472                         } while( ret <= 0);\r
 473                         do {\r
 474                                 --j; \r
 475                                 if(!_qsort_compare(v,arr,a->_values[j],pivot,func,ret))\r
 476                                         return false;\r
 477                         }\r
 478                         while( ret > 0 );\r
 479                         if( i >= j ) break;\r
 480                         t = a->_values[i]; a->_values[i] = a->_values[j]; a->_values[j] = t;\r
 481                 }\r
 482                 t = a->_values[l]; a->_values[l] = a->_values[j]; a->_values[j] = t;\r
 483                 if(!_qsort( v, arr, l, j-1,func)) return false;\r
 484                 if(!_qsort( v, arr, j+1, r,func)) return false;\r
 485         }\r
 486         return true;\r
 487 }\r
 488 \r
 489 static SQInteger array_sort(HSQUIRRELVM v)\r
 490 {\r
 491         //SQ_TRY {\r
 492         SQInteger func = -1;\r
 493         SQObjectPtr &o = stack_get(v,1);\r
 494         SQObject &funcobj = stack_get(v,2);\r
 495         if(_array(o)->Size() > 1) {\r
 496                 if(type(funcobj) == OT_CLOSURE || type(funcobj) == OT_NATIVECLOSURE) func = 2;\r
 497                 if(!_qsort(v, o, 0, _array(o)->Size()-1, func))\r
 498                         return SQ_ERROR;\r
 499 \r
 500         }\r
 501         return 0;\r
 502 }\r
 503 static SQInteger array_slice(HSQUIRRELVM v)\r
 504 {\r
 505         SQInteger sidx,eidx;\r
 506         SQObjectPtr o;\r
 507         if(get_slice_params(v,sidx,eidx,o)==-1)return -1;\r
 508         if(sidx<0)sidx=_array(o)->Size()+sidx;\r
 509         if(eidx<0)eidx=_array(o)->Size()+eidx;\r
 510         if(eidx <= sidx)return sq_throwerror(v,_SC("wrong indexes"));\r
 511         SQArray *arr=SQArray::Create(_ss(v),eidx-sidx);\r
 512         SQObjectPtr t;\r
 513         SQInteger count=0;\r
 514         for(SQInteger i=sidx;i<eidx;i++){\r
 515                 _array(o)->Get(i,t);\r
 516                 arr->Set(count++,t);\r
 517         }\r
 518         v->Push(arr);\r
 519         return 1;\r
 520         \r
 521 }\r
 522 \r
 523 SQRegFunction SQSharedState::_array_default_delegate_funcz[]={\r
 524         {_SC("len"),default_delegate_len,1, _SC("a")},\r
 525         {_SC("append"),array_append,2, _SC("a")},\r
 526         {_SC("extend"),array_extend,2, _SC("aa")},\r
 527         {_SC("push"),array_append,2, _SC("a")},\r
 528         {_SC("pop"),array_pop,1, _SC("a")},\r
 529         {_SC("top"),array_top,1, _SC("a")},\r
 530         {_SC("insert"),array_insert,3, _SC("an")},\r
 531         {_SC("remove"),array_remove,2, _SC("an")},\r
 532         {_SC("resize"),array_resize,-2, _SC("an")},\r
 533         {_SC("reverse"),array_reverse,1, _SC("a")},\r
 534         {_SC("sort"),array_sort,-1, _SC("ac")},\r
 535         {_SC("slice"),array_slice,-1, _SC("ann")},\r
 536         {_SC("weakref"),obj_delegate_weakref,1, NULL },\r
 537         {0,0}\r
 538 };\r
 539 \r
 540 //STRING DEFAULT DELEGATE//////////////////////////\r
 541 static SQInteger string_slice(HSQUIRRELVM v)\r
 542 {\r
 543         SQInteger sidx,eidx;\r
 544         SQObjectPtr o;\r
 545         if(SQ_FAILED(get_slice_params(v,sidx,eidx,o)))return -1;\r
 546         if(sidx<0)sidx=_string(o)->_len+sidx;\r
 547         if(eidx<0)eidx=_string(o)->_len+eidx;\r
 548         if(eidx<sidx)\r
 549                 return sq_throwerror(v,_SC("wrong indexes"));\r
 550         v->Push(SQString::Create(_ss(v),&_stringval(o)[sidx],eidx-sidx));\r
 551         return 1;\r
 552 }\r
 553 \r
 554 static SQInteger string_find(HSQUIRRELVM v)\r
 555 {\r
 556         SQInteger top,start_idx=0;\r
 557         const SQChar *str,*substr,*ret;\r
 558         if(((top=sq_gettop(v))>1) && SQ_SUCCEEDED(sq_getstring(v,1,&str)) && SQ_SUCCEEDED(sq_getstring(v,2,&substr))){\r
 559                 if(top>2)sq_getinteger(v,3,&start_idx);\r
 560                 if((sq_getsize(v,1)>start_idx) && (start_idx>=0)){\r
 561                         ret=scstrstr(&str[start_idx],substr);\r
 562                         if(ret){\r
 563                                 sq_pushinteger(v,(SQInteger)(ret-str));\r
 564                                 return 1;\r
 565                         }\r
 566                 }\r
 567                 return 0;\r
 568         }\r
 569         return sq_throwerror(v,_SC("invalid param"));\r
 570 }\r
 571 \r
 572 #define STRING_TOFUNCZ(func) static SQInteger string_##func(HSQUIRRELVM v) \\r
 573 { \\r
 574         SQObject str=stack_get(v,1); \\r
 575         SQInteger len=_string(str)->_len; \\r
 576         const SQChar *sThis=_stringval(str); \\r
 577         SQChar *sNew=(_ss(v)->GetScratchPad(rsl(len))); \\r
 578         for(SQInteger i=0;i<len;i++) sNew[i]=func(sThis[i]); \\r
 579         v->Push(SQString::Create(_ss(v),sNew,len)); \\r
 580         return 1; \\r
 581 }\r
 582 \r
 583 \r
 584 STRING_TOFUNCZ(tolower)\r
 585 STRING_TOFUNCZ(toupper)\r
 586 \r
 587 SQRegFunction SQSharedState::_string_default_delegate_funcz[]={\r
 588         {_SC("len"),default_delegate_len,1, _SC("s")},\r
 589         {_SC("tointeger"),default_delegate_tointeger,1, _SC("s")},\r
 590         {_SC("tofloat"),default_delegate_tofloat,1, _SC("s")},\r
 591         {_SC("tostring"),default_delegate_tostring,1, _SC("s")},\r
 592         {_SC("slice"),string_slice,-1, _SC(" s n  n")},\r
 593         {_SC("find"),string_find,-2, _SC("s s n ")},\r
 594         {_SC("tolower"),string_tolower,1, _SC("s")},\r
 595         {_SC("toupper"),string_toupper,1, _SC("s")},\r
 596         {_SC("weakref"),obj_delegate_weakref,1, NULL },\r
 597         {0,0}\r
 598 };\r
 599 \r
 600 //INTEGER DEFAULT DELEGATE//////////////////////////\r
 601 SQRegFunction SQSharedState::_number_default_delegate_funcz[]={\r
 602         {_SC("tointeger"),default_delegate_tointeger,1, _SC("n|b")},\r
 603         {_SC("tofloat"),default_delegate_tofloat,1, _SC("n|b")},\r
 604         {_SC("tostring"),default_delegate_tostring,1, _SC("n|b")},\r
 605         {_SC("tochar"),number_delegate_tochar,1, _SC("n|b")},\r
 606         {_SC("weakref"),obj_delegate_weakref,1, NULL },\r
 607         {0,0}\r
 608 };\r
 609 \r
 610 //CLOSURE DEFAULT DELEGATE//////////////////////////\r
 611 static SQInteger closure_call(HSQUIRRELVM v)\r
 612 {\r
 613         return SQ_SUCCEEDED(sq_call(v,sq_gettop(v)-1,SQTrue))?1:SQ_ERROR;\r
 614 }\r
 615 \r
 616 static SQInteger closure_acall(HSQUIRRELVM v)\r
 617 {\r
 618         SQArray *aparams=_array(stack_get(v,2));\r
 619         SQInteger nparams=aparams->Size();\r
 620         v->Push(stack_get(v,1));\r
 621         for(SQInteger i=0;i<nparams;i++)v->Push(aparams->_values[i]);\r
 622         return SQ_SUCCEEDED(sq_call(v,nparams,SQTrue))?1:SQ_ERROR;\r
 623 }\r
 624 \r
 625 SQRegFunction SQSharedState::_closure_default_delegate_funcz[]={\r
 626         {_SC("call"),closure_call,-1, _SC("c")},\r
 627         {_SC("acall"),closure_acall,2, _SC("ca")},\r
 628         {_SC("weakref"),obj_delegate_weakref,1, NULL },\r
 629         {0,0}\r
 630 };\r
 631 \r
 632 //GENERATOR DEFAULT DELEGATE\r
 633 static SQInteger generator_getstatus(HSQUIRRELVM v)\r
 634 {\r
 635         SQObject &o=stack_get(v,1);\r
 636         switch(_generator(o)->_state){\r
 637                 case SQGenerator::eSuspended:v->Push(SQString::Create(_ss(v),_SC("suspended")));break;\r
 638                 case SQGenerator::eRunning:v->Push(SQString::Create(_ss(v),_SC("running")));break;\r
 639                 case SQGenerator::eDead:v->Push(SQString::Create(_ss(v),_SC("dead")));break;\r
 640         }\r
 641         return 1;\r
 642 }\r
 643 \r
 644 SQRegFunction SQSharedState::_generator_default_delegate_funcz[]={\r
 645         {_SC("getstatus"),generator_getstatus,1, _SC("g")},\r
 646         {_SC("weakref"),obj_delegate_weakref,1, NULL },\r
 647         {0,0}\r
 648 };\r
 649 \r
 650 //THREAD DEFAULT DELEGATE\r
 651 \r
 652 static SQInteger thread_call(HSQUIRRELVM v)\r
 653 {\r
 654         SQObjectPtr o = stack_get(v,1);\r
 655         if(type(o) == OT_THREAD) {\r
 656                 SQInteger nparams = sq_gettop(v);\r
 657                 _thread(o)->Push(_thread(o)->_roottable);\r
 658                 for(SQInteger i = 2; i<(nparams+1); i++)\r
 659                         sq_move(_thread(o),v,i);\r
 660                 if(SQ_SUCCEEDED(sq_call(_thread(o),nparams,SQTrue))) {\r
 661                         sq_move(v,_thread(o),-1);\r
 662                         return 1;\r
 663                 }\r
 664                 return SQ_ERROR;\r
 665         }\r
 666         return sq_throwerror(v,_SC("wrong parameter"));\r
 667 }\r
 668 \r
 669 static SQInteger thread_wakeup(HSQUIRRELVM v)\r
 670 {\r
 671         SQObjectPtr o = stack_get(v,1);\r
 672         if(type(o) == OT_THREAD) {\r
 673                 SQVM *thread = _thread(o);\r
 674                 SQInteger state = sq_getvmstate(thread);\r
 675                 if(state != SQ_VMSTATE_SUSPENDED) {\r
 676                         switch(state) {\r
 677                                 case SQ_VMSTATE_IDLE:\r
 678                                         return sq_throwerror(v,_SC("cannot wakeup a idle thread"));\r
 679                                 break;\r
 680                                 case SQ_VMSTATE_RUNNING:\r
 681                                         return sq_throwerror(v,_SC("cannot wakeup a running thread"));\r
 682                                 break;\r
 683                         }\r
 684                 }\r
 685                         \r
 686                 SQInteger wakeupret = sq_gettop(v)>1?1:0;\r
 687                 if(wakeupret) {\r
 688                         sq_move(thread,v,2);\r
 689                 }\r
 690                 if(SQ_SUCCEEDED(sq_wakeupvm(thread,wakeupret,1))) {\r
 691                         sq_move(v,thread,-1);\r
 692                         sq_pop(thread,1);\r
 693                         if(sq_getvmstate(thread) == SQ_VMSTATE_IDLE) {\r
 694                                 sq_pop(thread,1);\r
 695                         }\r
 696                         return 1;\r
 697                 }\r
 698                 return SQ_ERROR;\r
 699         }\r
 700         return sq_throwerror(v,_SC("wrong parameter"));\r
 701 }\r
 702 \r
 703 static SQInteger thread_getstatus(HSQUIRRELVM v)\r
 704 {\r
 705         SQObjectPtr &o = stack_get(v,1);\r
 706         switch(sq_getvmstate(_thread(o))) {\r
 707                 case SQ_VMSTATE_IDLE:\r
 708                         sq_pushstring(v,_SC("idle"),-1);\r
 709                 break;\r
 710                 case SQ_VMSTATE_RUNNING:\r
 711                         sq_pushstring(v,_SC("running"),-1);\r
 712                 break;\r
 713                 case SQ_VMSTATE_SUSPENDED:\r
 714                         sq_pushstring(v,_SC("suspended"),-1);\r
 715                 break;\r
 716                 default:\r
 717                         return sq_throwerror(v,_SC("internal VM error"));\r
 718         }\r
 719         return 1;\r
 720 }\r
 721 \r
 722 SQRegFunction SQSharedState::_thread_default_delegate_funcz[] = {\r
 723         {_SC("call"), thread_call, -1, _SC("v")},\r
 724         {_SC("wakeup"), thread_wakeup, -1, _SC("v")},\r
 725         {_SC("getstatus"), thread_getstatus, 1, _SC("v")},\r
 726         {_SC("weakref"),obj_delegate_weakref,1, NULL },\r
 727         {0,0},\r
 728 };\r
 729 \r
 730 static SQInteger class_getattributes(HSQUIRRELVM v)\r
 731 {\r
 732         if(SQ_SUCCEEDED(sq_getattributes(v,-2)))\r
 733                 return 1;\r
 734         return SQ_ERROR;\r
 735 }\r
 736 \r
 737 static SQInteger class_setattributes(HSQUIRRELVM v)\r
 738 {\r
 739         if(SQ_SUCCEEDED(sq_setattributes(v,-3)))\r
 740                 return 1;\r
 741         return SQ_ERROR;\r
 742 }\r
 743 \r
 744 SQRegFunction SQSharedState::_class_default_delegate_funcz[] = {\r
 745         {_SC("getattributes"), class_getattributes, 2, _SC("y.")},\r
 746         {_SC("setattributes"), class_setattributes, 3, _SC("y..")},\r
 747         {_SC("rawin"),container_rawexists,2, _SC("y")},\r
 748         {_SC("weakref"),obj_delegate_weakref,1, NULL },\r
 749         {0,0}\r
 750 };\r
 751 \r
 752 static SQInteger instance_getclass(HSQUIRRELVM v)\r
 753 {\r
 754         if(SQ_SUCCEEDED(sq_getclass(v,1)))\r
 755                 return 1;\r
 756         return SQ_ERROR;\r
 757 }\r
 758 \r
 759 SQRegFunction SQSharedState::_instance_default_delegate_funcz[] = {\r
 760         {_SC("getclass"), instance_getclass, 1, _SC("x")},\r
 761         {_SC("rawin"),container_rawexists,2, _SC("x")},\r
 762         {_SC("weakref"),obj_delegate_weakref,1, NULL },\r
 763         {0,0}\r
 764 };\r
 765 \r
 766 static SQInteger weakref_ref(HSQUIRRELVM v)\r
 767 {\r
 768         if(SQ_FAILED(sq_getweakrefval(v,1)))\r
 769                 return SQ_ERROR;\r
 770         return 1;\r
 771 }\r
 772 \r
 773 SQRegFunction SQSharedState::_weakref_default_delegate_funcz[] = {\r
 774         {_SC("ref"),weakref_ref,1, _SC("r")},\r
 775         {_SC("weakref"),obj_delegate_weakref,1, NULL },\r
 776         {0,0}\r
 777 };\r
 778 \r
 779 \r