2 see copyright notice in squirrel.h
\r
4 #include "sqpcheader.h"
\r
6 #include "sqstring.h"
\r
9 #include "sqfuncproto.h"
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10 #include "sqclosure.h"
\r
11 #include "squserdata.h"
\r
12 #include "sqfuncstate.h"
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13 #include "sqcompiler.h"
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14 #include "sqclass.h"
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16 bool sq_aux_gettypedarg(HSQUIRRELVM v,int idx,SQObjectType type,SQObjectPtr **o)
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18 *o = &stack_get(v,idx);
\r
19 if(type(**o) != type){
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20 SQObjectPtr oval = v->PrintObjVal(**o);
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21 v->Raise_Error(_SC("wrong argument type, expected '%s' got '%.50s'"),IdType2Name(type),_stringval(oval));
\r
27 #define _GETSAFE_OBJ(v,idx,type,o) { if(!sq_aux_gettypedarg(v,idx,type,&o)) return SQ_ERROR; }
\r
29 #define sq_aux_paramscheck(v,count) \
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31 if(sq_gettop(v) < count){ v->Raise_Error(_SC("not enough params in the stack")); return SQ_ERROR; }\
\r
34 int sq_aux_throwobject(HSQUIRRELVM v,SQObjectPtr &e)
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40 int sq_aux_invalidtype(HSQUIRRELVM v,SQObjectType type)
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42 scsprintf(_ss(v)->GetScratchPad(100), _SC("unexpected type %s"), IdType2Name(type));
\r
43 return sq_throwerror(v, _ss(v)->GetScratchPad(-1));
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46 HSQUIRRELVM sq_open(int initialstacksize)
\r
50 sq_new(ss, SQSharedState);
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52 v = (SQVM *)SQ_MALLOC(sizeof(SQVM));
\r
55 if(v->Init(NULL, initialstacksize)) {
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64 HSQUIRRELVM sq_newthread(HSQUIRRELVM friendvm, int initialstacksize)
\r
70 v= (SQVM *)SQ_MALLOC(sizeof(SQVM));
\r
73 if(v->Init(friendvm, initialstacksize)) {
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82 int sq_getvmstate(HSQUIRRELVM v)
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85 return SQ_VMSTATE_SUSPENDED;
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87 if(v->_callsstack.size() != 0) return SQ_VMSTATE_RUNNING;
\r
88 else return SQ_VMSTATE_IDLE;
\r
92 void sq_seterrorhandler(HSQUIRRELVM v)
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94 SQObject o = stack_get(v, -1);
\r
95 if(sq_isclosure(o) || sq_isnativeclosure(o) || sq_isnull(o)) {
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96 v->_errorhandler = o;
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101 void sq_setdebughook(HSQUIRRELVM v)
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103 SQObject o = stack_get(v,-1);
\r
104 if(sq_isclosure(o) || sq_isnativeclosure(o) || sq_isnull(o)) {
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110 void sq_close(HSQUIRRELVM v)
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112 SQSharedState *ss = _ss(v);
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113 _thread(ss->_root_vm)->Finalize();
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114 sq_delete(ss, SQSharedState);
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117 SQRESULT sq_compile(HSQUIRRELVM v,SQLEXREADFUNC read,SQUserPointer p,const SQChar *sourcename,SQBool raiseerror)
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120 if(Compile(v, read, p, sourcename, o, raiseerror?true:false, _ss(v)->_debuginfo)) {
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121 v->Push(SQClosure::Create(_ss(v), _funcproto(o)));
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127 void sq_enabledebuginfo(HSQUIRRELVM v, SQBool debuginfo)
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129 _ss(v)->_debuginfo = debuginfo?true:false;
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132 void sq_addref(HSQUIRRELVM v,HSQOBJECT *po)
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135 if(!ISREFCOUNTED(type(*po))) return;
\r
136 if(_table(_ss(v)->_refs_table)->Get(*po, refs)) {
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137 refs = _integer(refs) + 1;
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142 _table(_ss(v)->_refs_table)->NewSlot(*po, refs);
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145 SQBool sq_release(HSQUIRRELVM v,HSQOBJECT *po)
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148 if(!ISREFCOUNTED(type(*po))) return SQTrue;
\r
149 if(_table(_ss(v)->_refs_table)->Get(*po, refs)) {
\r
150 int n = _integer(refs) - 1;
\r
152 _table(_ss(v)->_refs_table)->Remove(*po);
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153 sq_resetobject(po);
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156 refs = n;_table(_ss(v)->_refs_table)->Set(*po, refs);
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163 const SQChar *sq_objtostring(HSQOBJECT *o)
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165 if(sq_type(*o) == OT_STRING) {
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166 return o->_unVal.pString->_val;
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171 SQInteger sq_objtointeger(HSQOBJECT *o)
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173 if(sq_isnumeric(*o)) {
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174 return tointeger(*o);
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179 SQFloat sq_objtofloat(HSQOBJECT *o)
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181 if(sq_isnumeric(*o)) {
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182 return tofloat(*o);
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187 void sq_pushnull(HSQUIRRELVM v)
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192 void sq_pushstring(HSQUIRRELVM v,const SQChar *s,int len)
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195 v->Push(SQObjectPtr(SQString::Create(_ss(v), s, len)));
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196 else v->Push(_null_);
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199 void sq_pushinteger(HSQUIRRELVM v,SQInteger n)
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204 void sq_pushbool(HSQUIRRELVM v,SQBool b)
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206 v->Push(b?true:false);
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209 void sq_pushfloat(HSQUIRRELVM v,SQFloat n)
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214 void sq_pushuserpointer(HSQUIRRELVM v,SQUserPointer p)
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219 SQUserPointer sq_newuserdata(HSQUIRRELVM v,unsigned int size)
\r
221 SQUserData *ud = SQUserData::Create(_ss(v), size);
\r
226 void sq_newtable(HSQUIRRELVM v)
\r
228 v->Push(SQTable::Create(_ss(v), 0));
\r
231 void sq_newarray(HSQUIRRELVM v,int size)
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233 v->Push(SQArray::Create(_ss(v), size));
\r
236 SQRESULT sq_newclass(HSQUIRRELVM v,SQBool hasbase)
\r
238 SQClass *baseclass = NULL;
\r
240 SQObjectPtr &base = stack_get(v,-1);
\r
241 if(type(base) != OT_CLASS)
\r
242 return sq_throwerror(v,_SC("invalid base type"));
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243 baseclass = _class(base);
\r
245 SQClass *newclass = SQClass::Create(_ss(v), baseclass);
\r
246 if(baseclass) v->Pop();
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247 v->Push(newclass);
\r
251 int sq_instanceof(HSQUIRRELVM v)
\r
253 SQObjectPtr &inst = stack_get(v,-1);
\r
254 SQObjectPtr &cl = stack_get(v,-2);
\r
255 if(type(inst) != OT_INSTANCE || type(cl) != OT_CLASS)
\r
256 return sq_throwerror(v,_SC("invalid param type"));
\r
257 return _instance(inst)->InstanceOf(_class(cl))?1:0;
\r
260 SQRESULT sq_arrayappend(HSQUIRRELVM v,int idx)
\r
262 sq_aux_paramscheck(v,2);
\r
264 _GETSAFE_OBJ(v, idx, OT_ARRAY,arr);
\r
265 _array(*arr)->Append(v->GetUp(-1));
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270 SQRESULT sq_arraypop(HSQUIRRELVM v,int idx,SQBool pushval)
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272 sq_aux_paramscheck(v, 1);
\r
274 _GETSAFE_OBJ(v, idx, OT_ARRAY,arr);
\r
275 if(_array(*arr)->Size() > 0) {
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276 if(pushval != 0){ v->Push(_array(*arr)->Top()); }
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277 _array(*arr)->Pop();
\r
280 return sq_throwerror(v, _SC("empty array"));
\r
283 SQRESULT sq_arrayresize(HSQUIRRELVM v,int idx,int newsize)
\r
285 sq_aux_paramscheck(v,1);
\r
287 _GETSAFE_OBJ(v, idx, OT_ARRAY,arr);
\r
288 if(_array(*arr)->Size() > 0) {
\r
289 _array(*arr)->Resize(newsize);
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292 return sq_throwerror(v, _SC("empty array"));
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295 SQRESULT sq_arrayreverse(HSQUIRRELVM v,int idx)
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297 sq_aux_paramscheck(v, 1);
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299 _GETSAFE_OBJ(v, idx, OT_ARRAY,o);
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300 SQArray *arr = _array(*o);
\r
301 if(arr->Size() > 0) {
\r
303 int size = arr->Size();
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304 int n = size >> 1; size -= 1;
\r
305 for(int i = 0; i < n; i++) {
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306 t = arr->_values[i];
\r
307 arr->_values[i] = arr->_values[size-i];
\r
308 arr->_values[size-i] = t;
\r
312 return sq_throwerror(v, _SC("empty array"));
\r
315 void sq_newclosure(HSQUIRRELVM v,SQFUNCTION func,unsigned int nfreevars)
\r
317 SQNativeClosure *nc = SQNativeClosure::Create(_ss(v), func);
\r
318 nc->_nparamscheck = 0;
\r
319 for(unsigned int i = 0; i < nfreevars; i++) {
\r
320 nc->_outervalues.push_back(v->Top());
\r
323 v->Push(SQObjectPtr(nc));
\r
326 SQRESULT sq_getclosureinfo(HSQUIRRELVM v,int idx,unsigned int *nparams,unsigned int *nfreevars)
\r
328 SQObject o = stack_get(v, idx);
\r
329 if(sq_isclosure(o)) {
\r
330 SQClosure *c = _closure(o);
\r
331 SQFunctionProto *proto = _funcproto(c->_function);
\r
332 *nparams = (unsigned int)proto->_parameters.size();
\r
333 *nfreevars = (unsigned int)c->_outervalues.size();
\r
336 return sq_throwerror(v,_SC("the object is not a closure"));
\r
339 SQRESULT sq_setnativeclosurename(HSQUIRRELVM v,int idx,const SQChar *name)
\r
341 SQObject o = stack_get(v, idx);
\r
342 if(sq_isnativeclosure(o)) {
\r
343 SQNativeClosure *nc = _nativeclosure(o);
\r
344 nc->_name = SQString::Create(_ss(v),name);
\r
347 return sq_throwerror(v,_SC("the object is not a nativeclosure"));
\r
350 SQRESULT sq_setparamscheck(HSQUIRRELVM v,int nparamscheck,const SQChar *typemask)
\r
352 SQObject o = stack_get(v, -1);
\r
353 if(!sq_isnativeclosure(o))
\r
354 return sq_throwerror(v, _SC("native closure expected"));
\r
355 SQNativeClosure *nc = _nativeclosure(o);
\r
356 nc->_nparamscheck = nparamscheck;
\r
359 if(!CompileTypemask(res, typemask))
\r
360 return sq_throwerror(v, _SC("invalid typemask"));
\r
361 nc->_typecheck.copy(res);
\r
364 nc->_typecheck.resize(0);
\r
369 void sq_pushroottable(HSQUIRRELVM v)
\r
371 v->Push(v->_roottable);
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374 void sq_pushregistrytable(HSQUIRRELVM v)
\r
376 v->Push(_ss(v)->_registry);
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379 SQRESULT sq_setroottable(HSQUIRRELVM v)
\r
381 SQObject o = stack_get(v, -1);
\r
382 if(sq_istable(o) || sq_isnull(o)) {
\r
387 return sq_throwerror(v, _SC("ivalid type"));
\r
390 void sq_setforeignptr(HSQUIRRELVM v,SQUserPointer p)
\r
392 v->_foreignptr = p;
\r
395 SQUserPointer sq_getforeignptr(HSQUIRRELVM v)
\r
397 return v->_foreignptr;
\r
400 void sq_push(HSQUIRRELVM v,int idx)
\r
402 v->Push(stack_get(v, idx));
\r
405 SQObjectType sq_gettype(HSQUIRRELVM v,int idx)
\r
407 return type(stack_get(v, idx));
\r
410 SQRESULT sq_getinteger(HSQUIRRELVM v,int idx,SQInteger *i)
\r
412 SQObjectPtr &o = stack_get(v, idx);
\r
413 if(sq_isnumeric(o)) {
\r
420 SQRESULT sq_getfloat(HSQUIRRELVM v,int idx,SQFloat *f)
\r
422 SQObjectPtr &o = stack_get(v, idx);
\r
423 if(sq_isnumeric(o)) {
\r
430 SQRESULT sq_getbool(HSQUIRRELVM v,int idx,SQBool *b)
\r
432 SQObjectPtr &o = stack_get(v, idx);
\r
440 SQRESULT sq_getstring(HSQUIRRELVM v,int idx,const SQChar **c)
\r
442 SQObjectPtr *o = NULL;
\r
443 _GETSAFE_OBJ(v, idx, OT_STRING,o);
\r
444 *c = _stringval(*o);
\r
448 SQRESULT sq_getthread(HSQUIRRELVM v,int idx,HSQUIRRELVM *thread)
\r
450 SQObjectPtr *o = NULL;
\r
451 _GETSAFE_OBJ(v, idx, OT_THREAD,o);
\r
452 *thread = _thread(*o);
\r
456 SQRESULT sq_clone(HSQUIRRELVM v,int idx)
\r
458 SQObjectPtr &o = stack_get(v,idx);
\r
460 if(!v->Clone(o, stack_get(v, -1))){
\r
462 return sq_aux_invalidtype(v, type(o));
\r
467 SQInteger sq_getsize(HSQUIRRELVM v, int idx)
\r
469 SQObjectPtr &o = stack_get(v, idx);
\r
470 SQObjectType type = type(o);
\r
472 case OT_STRING: return _string(o)->_len;
\r
473 case OT_TABLE: return _table(o)->CountUsed();
\r
474 case OT_ARRAY: return _array(o)->Size();
\r
475 case OT_USERDATA: return _userdata(o)->_size;
\r
477 return sq_aux_invalidtype(v, type);
\r
481 SQRESULT sq_getuserdata(HSQUIRRELVM v,int idx,SQUserPointer *p,unsigned int *typetag)
\r
483 SQObjectPtr *o = NULL;
\r
484 _GETSAFE_OBJ(v, idx, OT_USERDATA,o);
\r
485 (*p) = _userdataval(*o);
\r
486 if(typetag) *typetag = _userdata(*o)->_typetag;
\r
490 SQRESULT sq_settypetag(HSQUIRRELVM v,int idx,unsigned int typetag)
\r
492 SQObjectPtr &o = stack_get(v,idx);
\r
494 case OT_USERDATA: _userdata(o)->_typetag = typetag; break;
\r
495 case OT_CLASS: _class(o)->_typetag = typetag; break;
\r
496 default: return sq_throwerror(v,_SC("invalid object type"));
\r
501 SQRESULT sq_gettypetag(HSQUIRRELVM v,int idx,unsigned int *typetag)
\r
503 SQObjectPtr &o = stack_get(v,idx);
\r
505 case OT_USERDATA: *typetag = _userdata(o)->_typetag; break;
\r
506 case OT_CLASS: *typetag = _class(o)->_typetag; break;
\r
507 default: return sq_throwerror(v,_SC("invalid object type"));
\r
512 SQRESULT sq_getuserpointer(HSQUIRRELVM v, int idx, SQUserPointer *p)
\r
514 SQObjectPtr *o = NULL;
\r
515 _GETSAFE_OBJ(v, idx, OT_USERPOINTER,o);
\r
516 (*p) = _userpointer(*o);
\r
520 SQRESULT sq_setinstanceup(HSQUIRRELVM v, int idx, SQUserPointer p)
\r
522 SQObjectPtr &o = stack_get(v,idx);
\r
523 if(type(o) != OT_INSTANCE) return sq_throwerror(v,_SC("the object is not a class instance"));
\r
524 _instance(o)->_userpointer = p;
\r
528 SQRESULT sq_getinstanceup(HSQUIRRELVM v, int idx, SQUserPointer *p,unsigned int typetag)
\r
530 SQObjectPtr &o = stack_get(v,idx);
\r
531 if(type(o) != OT_INSTANCE) return sq_throwerror(v,_SC("the object is not a class instance"));
\r
532 (*p) = _instance(o)->_userpointer;
\r
534 SQClass *cl = _instance(o)->_class;
\r
536 if(cl->_typetag == typetag)
\r
539 }while(cl != NULL);
\r
540 return sq_throwerror(v,_SC("invalid type tag"));
\r
545 int sq_gettop(HSQUIRRELVM v)
\r
547 return (v->_top) - v->_stackbase;
\r
550 void sq_settop(HSQUIRRELVM v, int newtop)
\r
552 int top = sq_gettop(v);
\r
554 sq_pop(v, top - newtop);
\r
556 while(top < newtop) sq_pushnull(v);
\r
559 void sq_pop(HSQUIRRELVM v, int nelemstopop)
\r
561 assert(v->_top >= nelemstopop);
\r
562 v->Pop(nelemstopop);
\r
565 void sq_remove(HSQUIRRELVM v, int idx)
\r
570 int sq_cmp(HSQUIRRELVM v)
\r
573 v->ObjCmp(stack_get(v, -1), stack_get(v, -2),res);
\r
577 SQRESULT sq_createslot(HSQUIRRELVM v, int idx)
\r
579 sq_aux_paramscheck(v, 3);
\r
580 SQObjectPtr &self = stack_get(v, idx);
\r
581 if(type(self) == OT_TABLE || type(self) == OT_CLASS) {
\r
582 SQObjectPtr &key = v->GetUp(-2);
\r
583 if(type(key) == OT_NULL) return sq_throwerror(v, _SC("null is not a valid key"));
\r
584 v->NewSlot(self, key, v->GetUp(-1));
\r
590 SQRESULT sq_deleteslot(HSQUIRRELVM v,int idx,SQBool pushval)
\r
592 sq_aux_paramscheck(v, 2);
\r
594 _GETSAFE_OBJ(v, idx, OT_TABLE,self);
\r
595 SQObjectPtr &key = v->GetUp(-1);
\r
596 if(type(key) == OT_NULL) return sq_throwerror(v, _SC("null is not a valid key"));
\r
598 if(!v->DeleteSlot(*self, key, res)){
\r
601 if(pushval) v->GetUp(-1) = res;
\r
606 SQRESULT sq_set(HSQUIRRELVM v,int idx)
\r
608 SQObjectPtr &self = stack_get(v, idx);
\r
609 if(v->Set(self, v->GetUp(-2), v->GetUp(-1),false)) {
\r
613 v->Raise_IdxError(v->GetUp(-2));return SQ_ERROR;
\r
616 SQRESULT sq_rawset(HSQUIRRELVM v,int idx)
\r
618 SQObjectPtr &self = stack_get(v, idx);
\r
619 if(type(v->GetUp(-2)) == OT_NULL) return sq_throwerror(v, _SC("null key"));
\r
620 switch(type(self)) {
\r
622 _table(self)->NewSlot(v->GetUp(-2), v->GetUp(-1));
\r
627 _class(self)->NewSlot(v->GetUp(-2), v->GetUp(-1));
\r
632 if(_instance(self)->Set(v->GetUp(-2), v->GetUp(-1))) {
\r
638 if(v->Set(self, v->GetUp(-2), v->GetUp(-1),false)) {
\r
645 return sq_throwerror(v, _SC("rawset works only on arrays,tables,calsses and instances"));
\r
647 v->Raise_IdxError(v->GetUp(-2));return SQ_ERROR;
\r
650 SQRESULT sq_setdelegate(HSQUIRRELVM v,int idx)
\r
652 SQObjectPtr &self = stack_get(v, idx);
\r
653 SQObjectPtr &mt = v->GetUp(-1);
\r
654 SQObjectType type = type(self);
\r
657 if(type(mt) == OT_TABLE) {
\r
658 if(!_table(self)->SetDelegate(_table(mt))) return sq_throwerror(v, _SC("delagate cycle")); v->Pop();}
\r
659 else if(type(mt)==OT_NULL) {
\r
660 _table(self)->SetDelegate(NULL); v->Pop(); }
\r
661 else return sq_aux_invalidtype(v,type);
\r
664 if(type(mt)==OT_TABLE) {
\r
665 _userdata(self)->SetDelegate(_table(mt)); v->Pop(); }
\r
666 else if(type(mt)==OT_NULL) {
\r
667 _userdata(self)->SetDelegate(NULL); v->Pop(); }
\r
668 else return sq_aux_invalidtype(v, type);
\r
671 return sq_aux_invalidtype(v, type);
\r
677 SQRESULT sq_rawdeleteslot(HSQUIRRELVM v,int idx,SQBool pushval)
\r
679 sq_aux_paramscheck(v, 2);
\r
681 _GETSAFE_OBJ(v, idx, OT_TABLE,self);
\r
682 SQObjectPtr &key = v->GetUp(-1);
\r
684 if(_table(*self)->Get(key,t)) {
\r
685 _table(*self)->Remove(key);
\r
688 if(pushval) v->GetUp(-1) = t;
\r
694 SQRESULT sq_getdelegate(HSQUIRRELVM v,int idx)
\r
696 SQObjectPtr &self=stack_get(v,idx);
\r
697 switch(type(self)){
\r
699 if(!_table(self)->_delegate)break;
\r
700 v->Push(SQObjectPtr(_table(self)->_delegate));
\r
704 if(!_userdata(self)->_delegate)break;
\r
705 v->Push(SQObjectPtr(_userdata(self)->_delegate));
\r
709 return sq_throwerror(v,_SC("wrong type"));
\r
712 SQRESULT sq_get(HSQUIRRELVM v,int idx)
\r
714 SQObjectPtr &self=stack_get(v,idx);
\r
715 if(v->Get(self,v->GetUp(-1),v->GetUp(-1),false,false))
\r
718 return sq_throwerror(v,_SC("the index doesn't exist"));
\r
721 SQRESULT sq_rawget(HSQUIRRELVM v,int idx)
\r
723 SQObjectPtr &self=stack_get(v,idx);
\r
724 switch(type(self)) {
\r
726 if(_table(self)->Get(v->GetUp(-1),v->GetUp(-1)))
\r
730 if(_class(self)->Get(v->GetUp(-1),v->GetUp(-1)))
\r
734 if(_instance(self)->Get(v->GetUp(-1),v->GetUp(-1)))
\r
738 if(v->Get(self,v->GetUp(-1),v->GetUp(-1),false,false))
\r
743 return sq_throwerror(v,_SC("rawget works only on arrays and tables"));
\r
746 return sq_throwerror(v,_SC("the index doesn't exist"));
\r
749 SQRESULT sq_getstackobj(HSQUIRRELVM v,int idx,HSQOBJECT *po)
\r
751 *po=stack_get(v,idx);
\r
755 const SQChar *sq_getlocal(HSQUIRRELVM v,unsigned int level,unsigned int idx)
\r
757 unsigned int cstksize=v->_callsstack.size();
\r
758 unsigned int lvl=(cstksize-level)-1;
\r
759 int stackbase=v->_stackbase;
\r
761 for(unsigned int i=0;i<level;i++){
\r
762 SQVM::CallInfo &ci=v->_callsstack[(cstksize-i)-1];
\r
763 stackbase-=ci._prevstkbase;
\r
765 SQVM::CallInfo &ci=v->_callsstack[lvl];
\r
766 if(type(ci._closure)!=OT_CLOSURE)
\r
768 SQClosure *c=_closure(ci._closure);
\r
769 SQFunctionProto *func=_funcproto(c->_function);
\r
770 return func->GetLocal(v,stackbase,idx,(ci._ip-func->_instructions._vals)-1);
\r
775 void sq_pushobject(HSQUIRRELVM v,HSQOBJECT obj)
\r
777 v->Push(SQObjectPtr(obj));
\r
780 void sq_resetobject(HSQOBJECT *po)
\r
782 po->_unVal.pUserPointer=NULL;po->_type=OT_NULL;
\r
785 SQRESULT sq_throwerror(HSQUIRRELVM v,const SQChar *err)
\r
787 v->_lasterror=SQString::Create(_ss(v),err);
\r
791 void sq_reseterror(HSQUIRRELVM v)
\r
793 v->_lasterror = _null_;
\r
796 void sq_getlasterror(HSQUIRRELVM v)
\r
798 v->Push(v->_lasterror);
\r
801 void sq_reservestack(HSQUIRRELVM v,int nsize)
\r
803 if (((unsigned int)v->_top + nsize) > v->_stack.size()) {
\r
804 v->_stack.resize(v->_stack.size() + ((v->_top + nsize) - v->_stack.size()));
\r
808 SQRESULT sq_resume(HSQUIRRELVM v,SQBool retval)
\r
810 if(type(v->GetUp(-1))==OT_GENERATOR){
\r
811 v->Push(_null_); //retval
\r
812 if(!v->Execute(v->GetUp(-2),v->_top,0,v->_top,v->GetUp(-1),SQVM::ET_RESUME_GENERATOR))
\r
813 {v->Raise_Error(v->_lasterror); return SQ_ERROR;}
\r
818 return sq_throwerror(v,_SC("only generators can be resumed"));
\r
821 SQRESULT sq_call(HSQUIRRELVM v,int params,SQBool retval)
\r
824 if(v->Call(v->GetUp(-(params+1)),params,v->_top-params,res)){
\r
825 v->Pop(params);//pop closure and args
\r
827 v->Push(res); return SQ_OK;
\r
837 return sq_throwerror(v,_SC("call failed"));
\r
840 SQRESULT sq_suspendvm(HSQUIRRELVM v)
\r
842 return v->Suspend();
\r
845 SQRESULT sq_wakeupvm(HSQUIRRELVM v,SQBool wakeupret,SQBool retval)
\r
849 return sq_throwerror(v,_SC("cannot resume a vm that is not running any code"));
\r
851 v->GetAt(v->_stackbase+v->_suspended_target)=v->GetUp(-1); //retval
\r
853 } else v->GetAt(v->_stackbase+v->_suspended_target)=_null_;
\r
854 if(!v->Execute(_null_,v->_top,-1,-1,ret,SQVM::ET_RESUME_VM))
\r
856 if(sq_getvmstate(v) == SQ_VMSTATE_IDLE) {
\r
857 while (v->_top > 1) v->_stack[--v->_top] = _null_;
\r
864 void sq_setreleasehook(HSQUIRRELVM v,int idx,SQRELEASEHOOK hook)
\r
866 if(sq_gettop(v) >= 1){
\r
867 SQObjectPtr &ud=stack_get(v,idx);
\r
868 switch( type(ud) ) {
\r
870 _userdata(ud)->_hook = hook;
\r
873 _instance(ud)->_hook = hook;
\r
879 void sq_setcompilererrorhandler(HSQUIRRELVM v,SQCOMPILERERROR f)
\r
881 _ss(v)->_compilererrorhandler = f;
\r
884 SQRESULT sq_writeclosure(HSQUIRRELVM v,SQWRITEFUNC w,SQUserPointer up)
\r
886 SQObjectPtr *o = NULL;
\r
887 _GETSAFE_OBJ(v, -1, OT_CLOSURE,o);
\r
888 SQClosure *c=_closure(*o);
\r
889 unsigned short tag = SQ_BYTECODE_STREAM_TAG;
\r
890 if(w(up,&tag,2) != 2)
\r
891 return sq_throwerror(v,_SC("io error"));
\r
892 if(!_closure(*o)->Save(v,up,w))
\r
897 SQRESULT sq_readclosure(HSQUIRRELVM v,SQREADFUNC r,SQUserPointer up)
\r
899 SQObjectPtr func=SQFunctionProto::Create();
\r
900 SQObjectPtr closure=SQClosure::Create(_ss(v),_funcproto(func));
\r
901 unsigned short tag;
\r
902 if(r(up,&tag,2) != 2)
\r
903 return sq_throwerror(v,_SC("io error"));
\r
904 if(tag != SQ_BYTECODE_STREAM_TAG)
\r
905 return sq_throwerror(v,_SC("invalid stream"));
\r
906 if(!_closure(closure)->Load(v,up,r))
\r
912 SQChar *sq_getscratchpad(HSQUIRRELVM v,int minsize)
\r
914 return _ss(v)->GetScratchPad(minsize);
\r
917 int sq_collectgarbage(HSQUIRRELVM v)
\r
919 #ifndef NO_GARBAGE_COLLECTOR
\r
920 return _ss(v)->CollectGarbage(v);
\r
926 SQRESULT sq_setfreevariable(HSQUIRRELVM v,int idx,unsigned int nval)
\r
928 SQObjectPtr &self=stack_get(v,idx);
\r
932 if(_closure(self)->_outervalues.size()>nval){
\r
933 _closure(self)->_outervalues[nval]=stack_get(v,-1);
\r
935 else return sq_throwerror(v,_SC("invalid free var index"));
\r
937 case OT_NATIVECLOSURE:
\r
938 if(_nativeclosure(self)->_outervalues.size()>nval){
\r
939 _nativeclosure(self)->_outervalues[nval]=stack_get(v,-1);
\r
941 else return sq_throwerror(v,_SC("invalid free var index"));
\r
944 return sq_aux_invalidtype(v,type(self));
\r
950 SQRESULT sq_setattributes(HSQUIRRELVM v,int idx)
\r
952 SQObjectPtr *o = NULL;
\r
953 _GETSAFE_OBJ(v, idx, OT_CLASS,o);
\r
954 SQObjectPtr &key = stack_get(v,-2);
\r
955 SQObjectPtr &val = stack_get(v,-1);
\r
957 if(type(key) == OT_NULL) {
\r
958 attrs = _class(*o)->_attributes;
\r
959 _class(*o)->_attributes = val;
\r
963 }else if(_class(*o)->GetAttributes(key,attrs)) {
\r
964 _class(*o)->SetAttributes(key,val);
\r
969 return sq_throwerror(v,_SC("wrong index"));
\r
972 SQRESULT sq_getattributes(HSQUIRRELVM v,int idx)
\r
974 SQObjectPtr *o = NULL;
\r
975 _GETSAFE_OBJ(v, idx, OT_CLASS,o);
\r
976 SQObjectPtr &key = stack_get(v,-1);
\r
978 if(type(key) == OT_NULL) {
\r
979 attrs = _class(*o)->_attributes;
\r
984 else if(_class(*o)->GetAttributes(key,attrs)) {
\r
989 return sq_throwerror(v,_SC("wrong index"));
\r
992 SQRESULT sq_getclass(HSQUIRRELVM v,int idx)
\r
994 SQObjectPtr *o = NULL;
\r
995 _GETSAFE_OBJ(v, idx, OT_INSTANCE,o);
\r
996 v->Push(SQObjectPtr(_instance(*o)->_class));
\r
1000 SQRESULT sq_createinstance(HSQUIRRELVM v,int idx)
\r
1002 SQObjectPtr *o = NULL;
\r
1003 _GETSAFE_OBJ(v, idx, OT_CLASS,o);
\r
1004 v->Push(_class(*o)->CreateInstance());
\r
1008 SQRESULT sq_next(HSQUIRRELVM v,int idx)
\r
1010 SQObjectPtr o=stack_get(v,idx),&refpos = stack_get(v,-1),realkey,val;
\r
1011 if(type(o) == OT_GENERATOR) {
\r
1012 return sq_throwerror(v,_SC("cannot iterate a generator"));
\r
1015 if(!v->FOREACH_OP(o,realkey,val,refpos,0,finished))
\r
1026 const SQChar *buf;
\r
1031 SQInteger buf_lexfeed(SQUserPointer file)
\r
1033 BufState *buf=(BufState*)file;
\r
1034 if(buf->size<(buf->ptr+1))
\r
1036 return buf->buf[buf->ptr++];
\r
1039 SQRESULT sq_compilebuffer(HSQUIRRELVM v,const SQChar *s,int size,const SQChar *sourcename,SQBool raiseerror) {
\r
1044 return sq_compile(v, buf_lexfeed, &buf, sourcename, raiseerror);
\r
1047 void sq_move(HSQUIRRELVM dest,HSQUIRRELVM src,int idx)
\r
1049 dest->Push(stack_get(src,idx));
\r
1052 void sq_setprintfunc(HSQUIRRELVM v, SQPRINTFUNCTION printfunc)
\r
1054 _ss(v)->_printfunc = printfunc;
\r
1057 SQPRINTFUNCTION sq_getprintfunc(HSQUIRRELVM v)
\r
1059 return _ss(v)->_printfunc;
\r
1062 void *sq_malloc(unsigned int size)
\r
1064 return SQ_MALLOC(size);
\r
1067 void *sq_realloc(void* p,unsigned int oldsize,unsigned int newsize)
\r
1069 return SQ_REALLOC(p,oldsize,newsize);
\r
1071 void sq_free(void *p,unsigned int size)
\r