-/*
- see copyright notice in squirrel.h
-*/
-#include "sqpcheader.h"
-#include "sqvm.h"
-#include "sqstring.h"
-#include "sqtable.h"
-#include "sqarray.h"
-#include "sqfuncproto.h"
-#include "sqclosure.h"
-#include "squserdata.h"
-#include "sqcompiler.h"
-#include "sqfuncstate.h"
-#include "sqclass.h"
-
-bool sq_aux_gettypedarg(HSQUIRRELVM v,int idx,SQObjectType type,SQObjectPtr **o)
-{
- *o = &stack_get(v,idx);
- if(type(**o) != type){
- SQObjectPtr oval = v->PrintObjVal(**o);
- v->Raise_Error(_SC("wrong argument type, expected '%s' got '%.50s'"),IdType2Name(type),_stringval(oval));
- return false;
- }
- return true;
-}
-
-#define _GETSAFE_OBJ(v,idx,type,o) { if(!sq_aux_gettypedarg(v,idx,type,&o)) return SQ_ERROR; }
-
-#define sq_aux_paramscheck(v,count) \
-{ \
- if(sq_gettop(v) < count){ v->Raise_Error(_SC("not enough params in the stack")); return SQ_ERROR; }\
-}
-
-int sq_aux_throwobject(HSQUIRRELVM v,SQObjectPtr &e)
-{
- v->_lasterror = e;
- return SQ_ERROR;
-}
-
-int sq_aux_invalidtype(HSQUIRRELVM v,SQObjectType type)
-{
- scsprintf(_ss(v)->GetScratchPad(100), _SC("unexpected type %s"), IdType2Name(type));
- return sq_throwerror(v, _ss(v)->GetScratchPad(-1));
-}
-
-HSQUIRRELVM sq_open(int initialstacksize)
-{
- SQSharedState *ss;
- SQVM *v;
- sq_new(ss, SQSharedState);
- ss->Init();
- v = (SQVM *)SQ_MALLOC(sizeof(SQVM));
- new (v) SQVM(ss);
- ss->_root_vm = v;
- if(v->Init(NULL, initialstacksize)) {
- return v;
- } else {
- sq_delete(v, SQVM);
- return NULL;
- }
- return v;
-}
-
-HSQUIRRELVM sq_newthread(HSQUIRRELVM friendvm, int initialstacksize)
-{
- SQSharedState *ss;
- SQVM *v;
- ss=_ss(friendvm);
-
- v= (SQVM *)SQ_MALLOC(sizeof(SQVM));
- new (v) SQVM(ss);
-
- if(v->Init(friendvm, initialstacksize)) {
- friendvm->Push(v);
- return v;
- } else {
- sq_delete(v, SQVM);
- return NULL;
- }
-}
-
-int sq_getvmstate(HSQUIRRELVM v)
-{
- if(v->_suspended)
- return SQ_VMSTATE_SUSPENDED;
- else {
- if(v->_callsstack.size() != 0) return SQ_VMSTATE_RUNNING;
- else return SQ_VMSTATE_IDLE;
- }
-}
-
-void sq_seterrorhandler(HSQUIRRELVM v)
-{
- SQObject o = stack_get(v, -1);
- if(sq_isclosure(o) || sq_isnativeclosure(o) || sq_isnull(o)) {
- v->_errorhandler = o;
- v->Pop();
- }
-}
-
-void sq_setdebughook(HSQUIRRELVM v)
-{
- SQObject o = stack_get(v,-1);
- if(sq_isclosure(o) || sq_isnativeclosure(o) || sq_isnull(o)) {
- v->_debughook = o;
- v->Pop();
- }
-}
-
-void sq_close(HSQUIRRELVM v)
-{
- SQSharedState *ss = _ss(v);
- _thread(ss->_root_vm)->Finalize();
- sq_delete(ss, SQSharedState);
-}
-
-SQRESULT sq_compile(HSQUIRRELVM v,SQLEXREADFUNC read,SQUserPointer p,const SQChar *sourcename,SQBool raiseerror)
-{
- SQObjectPtr o;
- if(Compile(v, read, p, sourcename, o, raiseerror?true:false, _ss(v)->_debuginfo)) {
- v->Push(SQClosure::Create(_ss(v), _funcproto(o)));
- return SQ_OK;
- }
- return SQ_ERROR;
-}
-
-void sq_enabledebuginfo(HSQUIRRELVM v, SQBool debuginfo)
-{
- _ss(v)->_debuginfo = debuginfo?true:false;
-}
-
-void sq_addref(HSQUIRRELVM v,HSQOBJECT *po)
-{
- SQObjectPtr refs;
- if(!ISREFCOUNTED(type(*po))) return;
- if(_table(_ss(v)->_refs_table)->Get(*po, refs)) {
- refs = _integer(refs) + 1;
- }
- else{
- refs = 1;
- }
- _table(_ss(v)->_refs_table)->NewSlot(*po, refs);
-}
-
-SQBool sq_release(HSQUIRRELVM v,HSQOBJECT *po)
-{
- SQObjectPtr refs;
- if(!ISREFCOUNTED(type(*po))) return SQTrue;
- if(_table(_ss(v)->_refs_table)->Get(*po, refs)) {
- int n = _integer(refs) - 1;
- if(n <= 0) {
- _table(_ss(v)->_refs_table)->Remove(*po);
- sq_resetobject(po);
- }
- else {
- refs = n;_table(_ss(v)->_refs_table)->Set(*po, refs);
- return SQFalse;
- }
- }
- return SQTrue;
-}
-
-const SQChar *sq_objtostring(HSQOBJECT *o)
-{
- if(sq_type(*o) == OT_STRING) {
- return o->_unVal.pString->_val;
- }
- return NULL;
-}
-
-SQInteger sq_objtointeger(HSQOBJECT *o)
-{
- if(sq_isnumeric(*o)) {
- return tointeger(*o);
- }
- return 0;
-}
-
-SQFloat sq_objtofloat(HSQOBJECT *o)
-{
- if(sq_isnumeric(*o)) {
- return tofloat(*o);
- }
- return 0;
-}
-
-void sq_pushnull(HSQUIRRELVM v)
-{
- v->Push(_null_);
-}
-
-void sq_pushstring(HSQUIRRELVM v,const SQChar *s,int len)
-{
- if(s)
- v->Push(SQObjectPtr(SQString::Create(_ss(v), s, len)));
- else v->Push(_null_);
-}
-
-void sq_pushinteger(HSQUIRRELVM v,SQInteger n)
-{
- v->Push(n);
-}
-
-void sq_pushbool(HSQUIRRELVM v,SQBool b)
-{
- v->Push(b?true:false);
-}
-
-void sq_pushfloat(HSQUIRRELVM v,SQFloat n)
-{
- v->Push(n);
-}
-
-void sq_pushuserpointer(HSQUIRRELVM v,SQUserPointer p)
-{
- v->Push(p);
-}
-
-SQUserPointer sq_newuserdata(HSQUIRRELVM v,unsigned int size)
-{
- SQUserData *ud = SQUserData::Create(_ss(v), size);
- v->Push(ud);
- return ud->_val;
-}
-
-void sq_newtable(HSQUIRRELVM v)
-{
- v->Push(SQTable::Create(_ss(v), 0));
-}
-
-void sq_newarray(HSQUIRRELVM v,int size)
-{
- v->Push(SQArray::Create(_ss(v), size));
-}
-
-SQRESULT sq_newclass(HSQUIRRELVM v,SQBool hasbase)
-{
- SQClass *baseclass = NULL;
- if(hasbase) {
- SQObjectPtr &base = stack_get(v,-1);
- if(type(base) != OT_CLASS)
- return sq_throwerror(v,_SC("invalid base type"));
- baseclass = _class(base);
- }
- SQClass *newclass = SQClass::Create(_ss(v), baseclass);
- if(baseclass) v->Pop();
- v->Push(newclass);
- return SQ_OK;
-}
-
-int sq_instanceof(HSQUIRRELVM v)
-{
- SQObjectPtr &inst = stack_get(v,-1);
- SQObjectPtr &cl = stack_get(v,-2);
- if(type(inst) != OT_INSTANCE || type(cl) != OT_CLASS)
- return sq_throwerror(v,_SC("invalid param type"));
- return _instance(inst)->InstanceOf(_class(cl))?1:0;
-}
-
-SQRESULT sq_arrayappend(HSQUIRRELVM v,int idx)
-{
- sq_aux_paramscheck(v,2);
- SQObjectPtr *arr;
- _GETSAFE_OBJ(v, idx, OT_ARRAY,arr);
- _array(*arr)->Append(v->GetUp(-1));
- v->Pop(1);
- return SQ_OK;
-}
-
-SQRESULT sq_arraypop(HSQUIRRELVM v,int idx,SQBool pushval)
-{
- sq_aux_paramscheck(v, 1);
- SQObjectPtr *arr;
- _GETSAFE_OBJ(v, idx, OT_ARRAY,arr);
- if(_array(*arr)->Size() > 0) {
- if(pushval != 0){ v->Push(_array(*arr)->Top()); }
- _array(*arr)->Pop();
- return SQ_OK;
- }
- return sq_throwerror(v, _SC("empty array"));
-}
-
-SQRESULT sq_arrayresize(HSQUIRRELVM v,int idx,int newsize)
-{
- sq_aux_paramscheck(v,1);
- SQObjectPtr *arr;
- _GETSAFE_OBJ(v, idx, OT_ARRAY,arr);
- if(_array(*arr)->Size() > 0) {
- _array(*arr)->Resize(newsize);
- return SQ_OK;
- }
- return sq_throwerror(v, _SC("empty array"));
-}
-
-SQRESULT sq_arrayreverse(HSQUIRRELVM v,int idx)
-{
- sq_aux_paramscheck(v, 1);
- SQObjectPtr *o;
- _GETSAFE_OBJ(v, idx, OT_ARRAY,o);
- SQArray *arr = _array(*o);
- if(arr->Size() > 0) {
- SQObjectPtr t;
- int size = arr->Size();
- int n = size >> 1; size -= 1;
- for(int i = 0; i < n; i++) {
- t = arr->_values[i];
- arr->_values[i] = arr->_values[size-i];
- arr->_values[size-i] = t;
- }
- return SQ_OK;
- }
- return sq_throwerror(v, _SC("empty array"));
-}
-
-void sq_newclosure(HSQUIRRELVM v,SQFUNCTION func,unsigned int nfreevars)
-{
- SQNativeClosure *nc = SQNativeClosure::Create(_ss(v), func);
- nc->_nparamscheck = 0;
- for(unsigned int i = 0; i < nfreevars; i++) {
- nc->_outervalues.push_back(v->Top());
- v->Pop();
- }
- v->Push(SQObjectPtr(nc));
-}
-
-SQRESULT sq_getclosureinfo(HSQUIRRELVM v,int idx,unsigned int *nparams,unsigned int *nfreevars)
-{
- SQObject o = stack_get(v, idx);
- if(sq_isclosure(o)) {
- SQClosure *c = _closure(o);
- SQFunctionProto *proto = _funcproto(c->_function);
- *nparams = (unsigned int)proto->_parameters.size();
- *nfreevars = (unsigned int)c->_outervalues.size();
- return SQ_OK;
- }
- return sq_throwerror(v,_SC("the object is not a closure"));
-}
-
-SQRESULT sq_setnativeclosurename(HSQUIRRELVM v,int idx,const SQChar *name)
-{
- SQObject o = stack_get(v, idx);
- if(sq_isnativeclosure(o)) {
- SQNativeClosure *nc = _nativeclosure(o);
- nc->_name = SQString::Create(_ss(v),name);
- return SQ_OK;
- }
- return sq_throwerror(v,_SC("the object is not a nativeclosure"));
-}
-
-SQRESULT sq_setparamscheck(HSQUIRRELVM v,int nparamscheck,const SQChar *typemask)
-{
- SQObject o = stack_get(v, -1);
- if(!sq_isnativeclosure(o))
- return sq_throwerror(v, _SC("native closure expected"));
- SQNativeClosure *nc = _nativeclosure(o);
- nc->_nparamscheck = nparamscheck;
- if(typemask) {
- SQIntVec res;
- if(!CompileTypemask(res, typemask))
- return sq_throwerror(v, _SC("invalid typemask"));
- nc->_typecheck.copy(res);
- }
- else {
- nc->_typecheck.resize(0);
- }
- if(nparamscheck == SQ_MATCHTYPEMASKSTRING) {
- nc->_nparamscheck = nc->_typecheck.size();
- }
- return SQ_OK;
-}
-
-void sq_pushroottable(HSQUIRRELVM v)
-{
- v->Push(v->_roottable);
-}
-
-void sq_pushregistrytable(HSQUIRRELVM v)
-{
- v->Push(_ss(v)->_registry);
-}
-
-SQRESULT sq_setroottable(HSQUIRRELVM v)
-{
- SQObject o = stack_get(v, -1);
- if(sq_istable(o) || sq_isnull(o)) {
- v->_roottable = o;
- v->Pop();
- return SQ_OK;
- }
- return sq_throwerror(v, _SC("ivalid type"));
-}
-
-void sq_setforeignptr(HSQUIRRELVM v,SQUserPointer p)
-{
- v->_foreignptr = p;
-}
-
-SQUserPointer sq_getforeignptr(HSQUIRRELVM v)
-{
- return v->_foreignptr;
-}
-
-void sq_push(HSQUIRRELVM v,int idx)
-{
- v->Push(stack_get(v, idx));
-}
-
-SQObjectType sq_gettype(HSQUIRRELVM v,int idx)
-{
- return type(stack_get(v, idx));
-}
-
-SQRESULT sq_getinteger(HSQUIRRELVM v,int idx,SQInteger *i)
-{
- SQObjectPtr &o = stack_get(v, idx);
- if(sq_isnumeric(o)) {
- *i = tointeger(o);
- return SQ_OK;
- }
- return SQ_ERROR;
-}
-
-SQRESULT sq_getfloat(HSQUIRRELVM v,int idx,SQFloat *f)
-{
- SQObjectPtr &o = stack_get(v, idx);
- if(sq_isnumeric(o)) {
- *f = tofloat(o);
- return SQ_OK;
- }
- return SQ_ERROR;
-}
-
-SQRESULT sq_getbool(HSQUIRRELVM v,int idx,SQBool *b)
-{
- SQObjectPtr &o = stack_get(v, idx);
- if(sq_isbool(o)) {
- *b = _integer(o);
- return SQ_OK;
- }
- return SQ_ERROR;
-}
-
-SQRESULT sq_getstring(HSQUIRRELVM v,int idx,const SQChar **c)
-{
- SQObjectPtr *o = NULL;
- _GETSAFE_OBJ(v, idx, OT_STRING,o);
- *c = _stringval(*o);
- return SQ_OK;
-}
-
-SQRESULT sq_getthread(HSQUIRRELVM v,int idx,HSQUIRRELVM *thread)
-{
- SQObjectPtr *o = NULL;
- _GETSAFE_OBJ(v, idx, OT_THREAD,o);
- *thread = _thread(*o);
- return SQ_OK;
-}
-
-SQRESULT sq_clone(HSQUIRRELVM v,int idx)
-{
- SQObjectPtr &o = stack_get(v,idx);
- v->Push(_null_);
- if(!v->Clone(o, stack_get(v, -1))){
- v->Pop();
- return sq_aux_invalidtype(v, type(o));
- }
- return SQ_OK;
-}
-
-SQInteger sq_getsize(HSQUIRRELVM v, int idx)
-{
- SQObjectPtr &o = stack_get(v, idx);
- SQObjectType type = type(o);
- switch(type) {
- case OT_STRING: return _string(o)->_len;
- case OT_TABLE: return _table(o)->CountUsed();
- case OT_ARRAY: return _array(o)->Size();
- case OT_USERDATA: return _userdata(o)->_size;
- default:
- return sq_aux_invalidtype(v, type);
- }
-}
-
-SQRESULT sq_getuserdata(HSQUIRRELVM v,int idx,SQUserPointer *p,unsigned int *typetag)
-{
- SQObjectPtr *o = NULL;
- _GETSAFE_OBJ(v, idx, OT_USERDATA,o);
- (*p) = _userdataval(*o);
- if(typetag) *typetag = _userdata(*o)->_typetag;
- return SQ_OK;
-}
-
-SQRESULT sq_settypetag(HSQUIRRELVM v,int idx,unsigned int typetag)
-{
- SQObjectPtr &o = stack_get(v,idx);
- switch(type(o)) {
- case OT_USERDATA: _userdata(o)->_typetag = typetag; break;
- case OT_CLASS: _class(o)->_typetag = typetag; break;
- default: return sq_throwerror(v,_SC("invalid object type"));
- }
- return SQ_OK;
-}
-
-SQRESULT sq_gettypetag(HSQUIRRELVM v,int idx,unsigned int *typetag)
-{
- SQObjectPtr &o = stack_get(v,idx);
- switch(type(o)) {
- case OT_USERDATA: *typetag = _userdata(o)->_typetag; break;
- case OT_CLASS: *typetag = _class(o)->_typetag; break;
- default: return sq_throwerror(v,_SC("invalid object type"));
- }
- return SQ_OK;
-}
-
-SQRESULT sq_getuserpointer(HSQUIRRELVM v, int idx, SQUserPointer *p)
-{
- SQObjectPtr *o = NULL;
- _GETSAFE_OBJ(v, idx, OT_USERPOINTER,o);
- (*p) = _userpointer(*o);
- return SQ_OK;
-}
-
-SQRESULT sq_setinstanceup(HSQUIRRELVM v, int idx, SQUserPointer p)
-{
- SQObjectPtr &o = stack_get(v,idx);
- if(type(o) != OT_INSTANCE) return sq_throwerror(v,_SC("the object is not a class instance"));
- _instance(o)->_userpointer = p;
- return SQ_OK;
-}
-
-SQRESULT sq_getinstanceup(HSQUIRRELVM v, int idx, SQUserPointer *p,unsigned int typetag)
-{
- SQObjectPtr &o = stack_get(v,idx);
- if(type(o) != OT_INSTANCE) return sq_throwerror(v,_SC("the object is not a class instance"));
- (*p) = _instance(o)->_userpointer;
- if(typetag != 0) {
- SQClass *cl = _instance(o)->_class;
- do{
- if(cl->_typetag == typetag)
- return SQ_OK;
- cl = cl->_base;
- }while(cl != NULL);
- return sq_throwerror(v,_SC("invalid type tag"));
- }
- return SQ_OK;
-}
-
-int sq_gettop(HSQUIRRELVM v)
-{
- return (v->_top) - v->_stackbase;
-}
-
-void sq_settop(HSQUIRRELVM v, int newtop)
-{
- int top = sq_gettop(v);
- if(top > newtop)
- sq_pop(v, top - newtop);
- else
- while(top < newtop) sq_pushnull(v);
-}
-
-void sq_pop(HSQUIRRELVM v, int nelemstopop)
-{
- assert(v->_top >= nelemstopop);
- v->Pop(nelemstopop);
-}
-
-void sq_remove(HSQUIRRELVM v, int idx)
-{
- v->Remove(idx);
-}
-
-int sq_cmp(HSQUIRRELVM v)
-{
- int res;
- v->ObjCmp(stack_get(v, -1), stack_get(v, -2),res);
- return res;
-}
-
-SQRESULT sq_createslot(HSQUIRRELVM v, int idx)
-{
- sq_aux_paramscheck(v, 3);
- SQObjectPtr &self = stack_get(v, idx);
- if(type(self) == OT_TABLE || type(self) == OT_CLASS) {
- SQObjectPtr &key = v->GetUp(-2);
- if(type(key) == OT_NULL) return sq_throwerror(v, _SC("null is not a valid key"));
- v->NewSlot(self, key, v->GetUp(-1));
- v->Pop(2);
- }
- return SQ_OK;
-}
-
-SQRESULT sq_deleteslot(HSQUIRRELVM v,int idx,SQBool pushval)
-{
- sq_aux_paramscheck(v, 2);
- SQObjectPtr *self;
- _GETSAFE_OBJ(v, idx, OT_TABLE,self);
- SQObjectPtr &key = v->GetUp(-1);
- if(type(key) == OT_NULL) return sq_throwerror(v, _SC("null is not a valid key"));
- SQObjectPtr res;
- if(!v->DeleteSlot(*self, key, res)){
- return SQ_ERROR;
- }
- if(pushval) v->GetUp(-1) = res;
- else v->Pop(1);
- return SQ_OK;
-}
-
-SQRESULT sq_set(HSQUIRRELVM v,int idx)
-{
- SQObjectPtr &self = stack_get(v, idx);
- if(v->Set(self, v->GetUp(-2), v->GetUp(-1),false)) {
- v->Pop(2);
- return SQ_OK;
- }
- v->Raise_IdxError(v->GetUp(-2));return SQ_ERROR;
-}
-
-SQRESULT sq_rawset(HSQUIRRELVM v,int idx)
-{
- SQObjectPtr &self = stack_get(v, idx);
- if(type(v->GetUp(-2)) == OT_NULL) return sq_throwerror(v, _SC("null key"));
- switch(type(self)) {
- case OT_TABLE:
- _table(self)->NewSlot(v->GetUp(-2), v->GetUp(-1));
- v->Pop(2);
- return SQ_OK;
- break;
- case OT_CLASS:
- _class(self)->NewSlot(v->GetUp(-2), v->GetUp(-1));
- v->Pop(2);
- return SQ_OK;
- break;
- case OT_INSTANCE:
- if(_instance(self)->Set(v->GetUp(-2), v->GetUp(-1))) {
- v->Pop(2);
- return SQ_OK;
- }
- break;
- case OT_ARRAY:
- if(v->Set(self, v->GetUp(-2), v->GetUp(-1),false)) {
- v->Pop(2);
- return SQ_OK;
- }
- break;
- default:
- v->Pop(2);
- return sq_throwerror(v, _SC("rawset works only on arrays,tables,calsses and instances"));
- }
- v->Raise_IdxError(v->GetUp(-2));return SQ_ERROR;
-}
-
-SQRESULT sq_setdelegate(HSQUIRRELVM v,int idx)
-{
- SQObjectPtr &self = stack_get(v, idx);
- SQObjectPtr &mt = v->GetUp(-1);
- SQObjectType type = type(self);
- switch(type) {
- case OT_TABLE:
- if(type(mt) == OT_TABLE) {
- if(!_table(self)->SetDelegate(_table(mt))) return sq_throwerror(v, _SC("delagate cycle")); v->Pop();}
- else if(type(mt)==OT_NULL) {
- _table(self)->SetDelegate(NULL); v->Pop(); }
- else return sq_aux_invalidtype(v,type);
- break;
- case OT_USERDATA:
- if(type(mt)==OT_TABLE) {
- _userdata(self)->SetDelegate(_table(mt)); v->Pop(); }
- else if(type(mt)==OT_NULL) {
- _userdata(self)->SetDelegate(NULL); v->Pop(); }
- else return sq_aux_invalidtype(v, type);
- break;
- default:
- return sq_aux_invalidtype(v, type);
- break;
- }
- return SQ_OK;
-}
-
-SQRESULT sq_rawdeleteslot(HSQUIRRELVM v,int idx,SQBool pushval)
-{
- sq_aux_paramscheck(v, 2);
- SQObjectPtr *self;
- _GETSAFE_OBJ(v, idx, OT_TABLE,self);
- SQObjectPtr &key = v->GetUp(-1);
- SQObjectPtr t;
- if(_table(*self)->Get(key,t)) {
- _table(*self)->Remove(key);
- }
- if(pushval != 0)
- if(pushval) v->GetUp(-1) = t;
- else
- v->Pop(1);
- return SQ_OK;
-}
-
-SQRESULT sq_getdelegate(HSQUIRRELVM v,int idx)
-{
- SQObjectPtr &self=stack_get(v,idx);
- switch(type(self)){
- case OT_TABLE:
- if(!_table(self)->_delegate)break;
- v->Push(SQObjectPtr(_table(self)->_delegate));
- return SQ_OK;
- break;
- case OT_USERDATA:
- if(!_userdata(self)->_delegate)break;
- v->Push(SQObjectPtr(_userdata(self)->_delegate));
- return SQ_OK;
- break;
- }
- return sq_throwerror(v,_SC("wrong type"));
-}
-
-SQRESULT sq_get(HSQUIRRELVM v,int idx)
-{
- SQObjectPtr &self=stack_get(v,idx);
- if(v->Get(self,v->GetUp(-1),v->GetUp(-1),false,false))
- return SQ_OK;
- v->Pop(1);
- return sq_throwerror(v,_SC("the index doesn't exist"));
-}
-
-SQRESULT sq_rawget(HSQUIRRELVM v,int idx)
-{
- SQObjectPtr &self=stack_get(v,idx);
- switch(type(self)) {
- case OT_TABLE:
- if(_table(self)->Get(v->GetUp(-1),v->GetUp(-1)))
- return SQ_OK;
- break;
- case OT_CLASS:
- if(_class(self)->Get(v->GetUp(-1),v->GetUp(-1)))
- return SQ_OK;
- break;
- case OT_INSTANCE:
- if(_instance(self)->Get(v->GetUp(-1),v->GetUp(-1)))
- return SQ_OK;
- break;
- case OT_ARRAY:
- if(v->Get(self,v->GetUp(-1),v->GetUp(-1),false,false))
- return SQ_OK;
- break;
- default:
- v->Pop(1);
- return sq_throwerror(v,_SC("rawget works only on arrays and tables"));
- }
- v->Pop(1);
- return sq_throwerror(v,_SC("the index doesn't exist"));
-}
-
-SQRESULT sq_getstackobj(HSQUIRRELVM v,int idx,HSQOBJECT *po)
-{
- *po=stack_get(v,idx);
- return SQ_OK;
-}
-
-const SQChar *sq_getlocal(HSQUIRRELVM v,unsigned int level,unsigned int idx)
-{
- unsigned int cstksize=v->_callsstack.size();
- unsigned int lvl=(cstksize-level)-1;
- int stackbase=v->_stackbase;
- if(lvl<cstksize){
- for(unsigned int i=0;i<level;i++){
- SQVM::CallInfo &ci=v->_callsstack[(cstksize-i)-1];
- stackbase-=ci._prevstkbase;
- }
- SQVM::CallInfo &ci=v->_callsstack[lvl];
- if(type(ci._closure)!=OT_CLOSURE)
- return NULL;
- SQClosure *c=_closure(ci._closure);
- SQFunctionProto *func=_funcproto(c->_function);
- return func->GetLocal(v,stackbase,idx,(ci._ip-func->_instructions._vals)-1);
- }
- return NULL;
-}
-
-void sq_pushobject(HSQUIRRELVM v,HSQOBJECT obj)
-{
- v->Push(SQObjectPtr(obj));
-}
-
-void sq_resetobject(HSQOBJECT *po)
-{
- po->_unVal.pUserPointer=NULL;po->_type=OT_NULL;
-}
-
-SQRESULT sq_throwerror(HSQUIRRELVM v,const SQChar *err)
-{
- v->_lasterror=SQString::Create(_ss(v),err);
- return -1;
-}
-
-void sq_reseterror(HSQUIRRELVM v)
-{
- v->_lasterror = _null_;
-}
-
-void sq_getlasterror(HSQUIRRELVM v)
-{
- v->Push(v->_lasterror);
-}
-
-void sq_reservestack(HSQUIRRELVM v,int nsize)
-{
- if (((unsigned int)v->_top + nsize) > v->_stack.size()) {
- v->_stack.resize(v->_stack.size() + ((v->_top + nsize) - v->_stack.size()));
- }
-}
-
-SQRESULT sq_resume(HSQUIRRELVM v,SQBool retval)
-{
- if(type(v->GetUp(-1))==OT_GENERATOR){
- v->Push(_null_); //retval
- if(!v->Execute(v->GetUp(-2),v->_top,0,v->_top,v->GetUp(-1),SQVM::ET_RESUME_GENERATOR))
- {v->Raise_Error(v->_lasterror); return SQ_ERROR;}
- if(!retval)
- v->Pop();
- return SQ_OK;
- }
- return sq_throwerror(v,_SC("only generators can be resumed"));
-}
-
-SQRESULT sq_call(HSQUIRRELVM v,int params,SQBool retval)
-{
- SQObjectPtr res;
- if(v->Call(v->GetUp(-(params+1)),params,v->_top-params,res)){
- v->Pop(params);//pop closure and args
- if(retval){
- v->Push(res); return SQ_OK;
- }
- return SQ_OK;
- }
- else {
- v->Pop(params);
- return SQ_ERROR;
- }
- if(!v->_suspended)
- v->Pop(params);
- return sq_throwerror(v,_SC("call failed"));
-}
-
-SQRESULT sq_suspendvm(HSQUIRRELVM v)
-{
- return v->Suspend();
-}
-
-SQRESULT sq_wakeupvm(HSQUIRRELVM v,SQBool wakeupret,SQBool retval)
-{
- SQObjectPtr ret;
- if(!v->_suspended)
- return sq_throwerror(v,_SC("cannot resume a vm that is not running any code"));
- if(wakeupret) {
- v->GetAt(v->_stackbase+v->_suspended_target)=v->GetUp(-1); //retval
- v->Pop();
- } else v->GetAt(v->_stackbase+v->_suspended_target)=_null_;
- if(!v->Execute(_null_,v->_top,-1,-1,ret,SQVM::ET_RESUME_VM))
- return SQ_ERROR;
- if(sq_getvmstate(v) == SQ_VMSTATE_IDLE) {
- while (v->_top > 1) v->_stack[--v->_top] = _null_;
- }
- if(retval)
- v->Push(ret);
- return SQ_OK;
-}
-
-void sq_setreleasehook(HSQUIRRELVM v,int idx,SQRELEASEHOOK hook)
-{
- if(sq_gettop(v) >= 1){
- SQObjectPtr &ud=stack_get(v,idx);
- switch( type(ud) ) {
- case OT_USERDATA:
- _userdata(ud)->_hook = hook;
- break;
- case OT_INSTANCE:
- _instance(ud)->_hook = hook;
- break;
- }
- }
-}
-
-void sq_setcompilererrorhandler(HSQUIRRELVM v,SQCOMPILERERROR f)
-{
- _ss(v)->_compilererrorhandler = f;
-}
-
-SQRESULT sq_writeclosure(HSQUIRRELVM v,SQWRITEFUNC w,SQUserPointer up)
-{
- SQObjectPtr *o = NULL;
- _GETSAFE_OBJ(v, -1, OT_CLOSURE,o);
- SQClosure *c=_closure(*o);
- unsigned short tag = SQ_BYTECODE_STREAM_TAG;
- if(w(up,&tag,2) != 2)
- return sq_throwerror(v,_SC("io error"));
- if(!_closure(*o)->Save(v,up,w))
- return SQ_ERROR;
- return SQ_OK;
-}
-
-SQRESULT sq_readclosure(HSQUIRRELVM v,SQREADFUNC r,SQUserPointer up)
-{
- SQObjectPtr func=SQFunctionProto::Create();
- SQObjectPtr closure=SQClosure::Create(_ss(v),_funcproto(func));
- unsigned short tag;
- if(r(up,&tag,2) != 2)
- return sq_throwerror(v,_SC("io error"));
- if(tag != SQ_BYTECODE_STREAM_TAG)
- return sq_throwerror(v,_SC("invalid stream"));
- if(!_closure(closure)->Load(v,up,r))
- return SQ_ERROR;
- v->Push(closure);
- return SQ_OK;
-}
-
-SQChar *sq_getscratchpad(HSQUIRRELVM v,int minsize)
-{
- return _ss(v)->GetScratchPad(minsize);
-}
-
-int sq_collectgarbage(HSQUIRRELVM v)
-{
-#ifndef NO_GARBAGE_COLLECTOR
- return _ss(v)->CollectGarbage(v);
-#else
- return -1;
-#endif
-}
-
-SQRESULT sq_setfreevariable(HSQUIRRELVM v,int idx,unsigned int nval)
-{
- SQObjectPtr &self=stack_get(v,idx);
- switch(type(self))
- {
- case OT_CLOSURE:
- if(_closure(self)->_outervalues.size()>nval){
- _closure(self)->_outervalues[nval]=stack_get(v,-1);
- }
- else return sq_throwerror(v,_SC("invalid free var index"));
- break;
- case OT_NATIVECLOSURE:
- if(_nativeclosure(self)->_outervalues.size()>nval){
- _nativeclosure(self)->_outervalues[nval]=stack_get(v,-1);
- }
- else return sq_throwerror(v,_SC("invalid free var index"));
- break;
- default:
- return sq_aux_invalidtype(v,type(self));
- }
- v->Pop(1);
- return SQ_OK;
-}
-
-SQRESULT sq_setattributes(HSQUIRRELVM v,int idx)
-{
- SQObjectPtr *o = NULL;
- _GETSAFE_OBJ(v, idx, OT_CLASS,o);
- SQObjectPtr &key = stack_get(v,-2);
- SQObjectPtr &val = stack_get(v,-1);
- SQObjectPtr attrs;
- if(type(key) == OT_NULL) {
- attrs = _class(*o)->_attributes;
- _class(*o)->_attributes = val;
- v->Pop(2);
- v->Push(attrs);
- return SQ_OK;
- }else if(_class(*o)->GetAttributes(key,attrs)) {
- _class(*o)->SetAttributes(key,val);
- v->Pop(2);
- v->Push(attrs);
- return SQ_OK;
- }
- return sq_throwerror(v,_SC("wrong index"));
-}
-
-SQRESULT sq_getattributes(HSQUIRRELVM v,int idx)
-{
- SQObjectPtr *o = NULL;
- _GETSAFE_OBJ(v, idx, OT_CLASS,o);
- SQObjectPtr &key = stack_get(v,-1);
- SQObjectPtr attrs;
- if(type(key) == OT_NULL) {
- attrs = _class(*o)->_attributes;
- v->Pop();
- v->Push(attrs);
- return SQ_OK;
- }
- else if(_class(*o)->GetAttributes(key,attrs)) {
- v->Pop();
- v->Push(attrs);
- return SQ_OK;
- }
- return sq_throwerror(v,_SC("wrong index"));
-}
-
-SQRESULT sq_getclass(HSQUIRRELVM v,int idx)
-{
- SQObjectPtr *o = NULL;
- _GETSAFE_OBJ(v, idx, OT_INSTANCE,o);
- v->Push(SQObjectPtr(_instance(*o)->_class));
- return SQ_OK;
-}
-
-SQRESULT sq_createinstance(HSQUIRRELVM v,int idx)
-{
- SQObjectPtr *o = NULL;
- _GETSAFE_OBJ(v, idx, OT_CLASS,o);
- v->Push(_class(*o)->CreateInstance());
- return SQ_OK;
-}
-
-SQRESULT sq_next(HSQUIRRELVM v,int idx)
-{
- SQObjectPtr o=stack_get(v,idx),&refpos = stack_get(v,-1),realkey,val;
- if(type(o) == OT_GENERATOR) {
- return sq_throwerror(v,_SC("cannot iterate a generator"));
- }
- bool finished;
- if(!v->FOREACH_OP(o,realkey,val,refpos,0,finished))
- return SQ_ERROR;
- if(!finished) {
- v->Push(realkey);
- v->Push(val);
- return SQ_OK;
- }
- return SQ_ERROR;
-}
-
-struct BufState{
- const SQChar *buf;
- int ptr;
- int size;
-};
-
-SQInteger buf_lexfeed(SQUserPointer file)
-{
- BufState *buf=(BufState*)file;
- if(buf->size<(buf->ptr+1))
- return 0;
- return buf->buf[buf->ptr++];
-}
-
-SQRESULT sq_compilebuffer(HSQUIRRELVM v,const SQChar *s,int size,const SQChar *sourcename,SQBool raiseerror) {
- BufState buf;
- buf.buf = s;
- buf.size = size;
- buf.ptr = 0;
- return sq_compile(v, buf_lexfeed, &buf, sourcename, raiseerror);
-}
-
-void sq_move(HSQUIRRELVM dest,HSQUIRRELVM src,int idx)
-{
- dest->Push(stack_get(src,idx));
-}
-
-void sq_setprintfunc(HSQUIRRELVM v, SQPRINTFUNCTION printfunc)
-{
- _ss(v)->_printfunc = printfunc;
-}
-
-SQPRINTFUNCTION sq_getprintfunc(HSQUIRRELVM v)
-{
- return _ss(v)->_printfunc;
-}
-
-void *sq_malloc(unsigned int size)
-{
- return SQ_MALLOC(size);
-}
-
-void *sq_realloc(void* p,unsigned int oldsize,unsigned int newsize)
-{
- return SQ_REALLOC(p,oldsize,newsize);
-}
-void sq_free(void *p,unsigned int size)
-{
- SQ_FREE(p,size);
-}
+/*\r
+ see copyright notice in squirrel.h\r
+*/\r
+#include "sqpcheader.h"\r
+#include "sqvm.h"\r
+#include "sqstring.h"\r
+#include "sqtable.h"\r
+#include "sqarray.h"\r
+#include "sqfuncproto.h"\r
+#include "sqclosure.h"\r
+#include "squserdata.h"\r
+#include "sqcompiler.h"\r
+#include "sqfuncstate.h"\r
+#include "sqclass.h"\r
+\r
+bool sq_aux_gettypedarg(HSQUIRRELVM v,SQInteger idx,SQObjectType type,SQObjectPtr **o)\r
+{\r
+ *o = &stack_get(v,idx);\r
+ if(type(**o) != type){\r
+ SQObjectPtr oval = v->PrintObjVal(**o);\r
+ v->Raise_Error(_SC("wrong argument type, expected '%s' got '%.50s'"),IdType2Name(type),_stringval(oval));\r
+ return false;\r
+ }\r
+ return true;\r
+}\r
+\r
+#define _GETSAFE_OBJ(v,idx,type,o) { if(!sq_aux_gettypedarg(v,idx,type,&o)) return SQ_ERROR; }\r
+\r
+#define sq_aux_paramscheck(v,count) \\r
+{ \\r
+ if(sq_gettop(v) < count){ v->Raise_Error(_SC("not enough params in the stack")); return SQ_ERROR; }\\r
+} \r
+\r
+SQInteger sq_aux_throwobject(HSQUIRRELVM v,SQObjectPtr &e)\r
+{\r
+ v->_lasterror = e;\r
+ return SQ_ERROR;\r
+}\r
+\r
+SQInteger sq_aux_invalidtype(HSQUIRRELVM v,SQObjectType type)\r
+{\r
+ scsprintf(_ss(v)->GetScratchPad(100), _SC("unexpected type %s"), IdType2Name(type));\r
+ return sq_throwerror(v, _ss(v)->GetScratchPad(-1));\r
+}\r
+\r
+HSQUIRRELVM sq_open(SQInteger initialstacksize)\r
+{\r
+ SQSharedState *ss;\r
+ SQVM *v;\r
+ sq_new(ss, SQSharedState);\r
+ ss->Init();\r
+ v = (SQVM *)SQ_MALLOC(sizeof(SQVM));\r
+ new (v) SQVM(ss);\r
+ ss->_root_vm = v;\r
+ if(v->Init(NULL, initialstacksize)) {\r
+ return v;\r
+ } else {\r
+ sq_delete(v, SQVM);\r
+ return NULL;\r
+ }\r
+ return v;\r
+}\r
+\r
+HSQUIRRELVM sq_newthread(HSQUIRRELVM friendvm, SQInteger initialstacksize)\r
+{\r
+ SQSharedState *ss;\r
+ SQVM *v;\r
+ ss=_ss(friendvm);\r
+ \r
+ v= (SQVM *)SQ_MALLOC(sizeof(SQVM));\r
+ new (v) SQVM(ss);\r
+ \r
+ if(v->Init(friendvm, initialstacksize)) {\r
+ friendvm->Push(v);\r
+ return v;\r
+ } else {\r
+ sq_delete(v, SQVM);\r
+ return NULL;\r
+ }\r
+}\r
+\r
+SQInteger sq_getvmstate(HSQUIRRELVM v)\r
+{\r
+ if(v->_suspended)\r
+ return SQ_VMSTATE_SUSPENDED;\r
+ else { \r
+ if(v->_callsstack.size() != 0) return SQ_VMSTATE_RUNNING;\r
+ else return SQ_VMSTATE_IDLE;\r
+ }\r
+}\r
+\r
+void sq_seterrorhandler(HSQUIRRELVM v)\r
+{\r
+ SQObject o = stack_get(v, -1);\r
+ if(sq_isclosure(o) || sq_isnativeclosure(o) || sq_isnull(o)) {\r
+ v->_errorhandler = o;\r
+ v->Pop();\r
+ }\r
+}\r
+\r
+void sq_setdebughook(HSQUIRRELVM v)\r
+{\r
+ SQObject o = stack_get(v,-1);\r
+ if(sq_isclosure(o) || sq_isnativeclosure(o) || sq_isnull(o)) {\r
+ v->_debughook = o;\r
+ v->Pop();\r
+ }\r
+}\r
+\r
+void sq_close(HSQUIRRELVM v)\r
+{\r
+ SQSharedState *ss = _ss(v);\r
+ _thread(ss->_root_vm)->Finalize();\r
+ sq_delete(ss, SQSharedState);\r
+}\r
+\r
+SQRESULT sq_compile(HSQUIRRELVM v,SQLEXREADFUNC read,SQUserPointer p,const SQChar *sourcename,SQBool raiseerror)\r
+{\r
+ SQObjectPtr o;\r
+ if(Compile(v, read, p, sourcename, o, raiseerror?true:false, _ss(v)->_debuginfo)) {\r
+ v->Push(SQClosure::Create(_ss(v), _funcproto(o)));\r
+ return SQ_OK;\r
+ }\r
+ return SQ_ERROR;\r
+}\r
+\r
+void sq_enabledebuginfo(HSQUIRRELVM v, SQBool enable)\r
+{\r
+ _ss(v)->_debuginfo = enable?true:false;\r
+}\r
+\r
+void sq_notifyallexceptions(HSQUIRRELVM v, SQBool enable)\r
+{\r
+ _ss(v)->_notifyallexceptions = enable?true:false;\r
+}\r
+\r
+void sq_addref(HSQUIRRELVM v,HSQOBJECT *po)\r
+{\r
+ if(!ISREFCOUNTED(type(*po))) return;\r
+ _ss(v)->_refs_table.AddRef(*po);\r
+}\r
+\r
+SQBool sq_release(HSQUIRRELVM v,HSQOBJECT *po)\r
+{\r
+ if(!ISREFCOUNTED(type(*po))) return SQTrue;\r
+ return _ss(v)->_refs_table.Release(*po);\r
+}\r
+\r
+const SQChar *sq_objtostring(HSQOBJECT *o) \r
+{\r
+ if(sq_type(*o) == OT_STRING) {\r
+ return _stringval(*o);\r
+ }\r
+ return NULL;\r
+}\r
+\r
+SQInteger sq_objtointeger(HSQOBJECT *o) \r
+{\r
+ if(sq_isnumeric(*o)) {\r
+ return tointeger(*o);\r
+ }\r
+ return 0;\r
+}\r
+\r
+SQFloat sq_objtofloat(HSQOBJECT *o) \r
+{\r
+ if(sq_isnumeric(*o)) {\r
+ return tofloat(*o);\r
+ }\r
+ return 0;\r
+}\r
+\r
+SQBool sq_objtobool(HSQOBJECT *o) \r
+{\r
+ if(sq_isbool(*o)) {\r
+ return _integer(*o);\r
+ }\r
+ return SQFalse;\r
+}\r
+\r
+void sq_pushnull(HSQUIRRELVM v)\r
+{\r
+ v->Push(_null_);\r
+}\r
+\r
+void sq_pushstring(HSQUIRRELVM v,const SQChar *s,SQInteger len)\r
+{\r
+ if(s)\r
+ v->Push(SQObjectPtr(SQString::Create(_ss(v), s, len)));\r
+ else v->Push(_null_);\r
+}\r
+\r
+void sq_pushinteger(HSQUIRRELVM v,SQInteger n)\r
+{\r
+ v->Push(n);\r
+}\r
+\r
+void sq_pushbool(HSQUIRRELVM v,SQBool b)\r
+{\r
+ v->Push(b?true:false);\r
+}\r
+\r
+void sq_pushfloat(HSQUIRRELVM v,SQFloat n)\r
+{\r
+ v->Push(n);\r
+}\r
+\r
+void sq_pushuserpointer(HSQUIRRELVM v,SQUserPointer p)\r
+{\r
+ v->Push(p);\r
+}\r
+\r
+SQUserPointer sq_newuserdata(HSQUIRRELVM v,SQUnsignedInteger size)\r
+{\r
+ SQUserData *ud = SQUserData::Create(_ss(v), size);\r
+ v->Push(ud);\r
+ return ud->_val;\r
+}\r
+\r
+void sq_newtable(HSQUIRRELVM v)\r
+{\r
+ v->Push(SQTable::Create(_ss(v), 0)); \r
+}\r
+\r
+void sq_newarray(HSQUIRRELVM v,SQInteger size)\r
+{\r
+ v->Push(SQArray::Create(_ss(v), size)); \r
+}\r
+\r
+SQRESULT sq_newclass(HSQUIRRELVM v,SQBool hasbase)\r
+{\r
+ SQClass *baseclass = NULL;\r
+ if(hasbase) {\r
+ SQObjectPtr &base = stack_get(v,-1);\r
+ if(type(base) != OT_CLASS)\r
+ return sq_throwerror(v,_SC("invalid base type"));\r
+ baseclass = _class(base);\r
+ }\r
+ SQClass *newclass = SQClass::Create(_ss(v), baseclass);\r
+ if(baseclass) v->Pop();\r
+ v->Push(newclass); \r
+ return SQ_OK;\r
+}\r
+\r
+SQBool sq_instanceof(HSQUIRRELVM v)\r
+{\r
+ SQObjectPtr &inst = stack_get(v,-1);\r
+ SQObjectPtr &cl = stack_get(v,-2);\r
+ if(type(inst) != OT_INSTANCE || type(cl) != OT_CLASS)\r
+ return sq_throwerror(v,_SC("invalid param type"));\r
+ return _instance(inst)->InstanceOf(_class(cl))?SQTrue:SQFalse;\r
+}\r
+\r
+SQRESULT sq_arrayappend(HSQUIRRELVM v,SQInteger idx)\r
+{\r
+ sq_aux_paramscheck(v,2);\r
+ SQObjectPtr *arr;\r
+ _GETSAFE_OBJ(v, idx, OT_ARRAY,arr);\r
+ _array(*arr)->Append(v->GetUp(-1));\r
+ v->Pop(1);\r
+ return SQ_OK;\r
+}\r
+\r
+SQRESULT sq_arraypop(HSQUIRRELVM v,SQInteger idx,SQBool pushval)\r
+{\r
+ sq_aux_paramscheck(v, 1);\r
+ SQObjectPtr *arr;\r
+ _GETSAFE_OBJ(v, idx, OT_ARRAY,arr);\r
+ if(_array(*arr)->Size() > 0) {\r
+ if(pushval != 0){ v->Push(_array(*arr)->Top()); }\r
+ _array(*arr)->Pop();\r
+ return SQ_OK;\r
+ }\r
+ return sq_throwerror(v, _SC("empty array"));\r
+}\r
+\r
+SQRESULT sq_arrayresize(HSQUIRRELVM v,SQInteger idx,SQInteger newsize)\r
+{\r
+ sq_aux_paramscheck(v,1);\r
+ SQObjectPtr *arr;\r
+ _GETSAFE_OBJ(v, idx, OT_ARRAY,arr);\r
+ if(_array(*arr)->Size() > 0) {\r
+ _array(*arr)->Resize(newsize);\r
+ return SQ_OK;\r
+ }\r
+ return SQ_OK;\r
+}\r
+\r
+SQRESULT sq_arrayreverse(HSQUIRRELVM v,SQInteger idx)\r
+{\r
+ sq_aux_paramscheck(v, 1);\r
+ SQObjectPtr *o;\r
+ _GETSAFE_OBJ(v, idx, OT_ARRAY,o);\r
+ SQArray *arr = _array(*o);\r
+ if(arr->Size() > 0) {\r
+ SQObjectPtr t;\r
+ SQInteger size = arr->Size();\r
+ SQInteger n = size >> 1; size -= 1;\r
+ for(SQInteger i = 0; i < n; i++) {\r
+ t = arr->_values[i];\r
+ arr->_values[i] = arr->_values[size-i];\r
+ arr->_values[size-i] = t;\r
+ }\r
+ return SQ_OK;\r
+ }\r
+ return SQ_OK;\r
+}\r
+\r
+void sq_newclosure(HSQUIRRELVM v,SQFUNCTION func,SQUnsignedInteger nfreevars)\r
+{\r
+ SQNativeClosure *nc = SQNativeClosure::Create(_ss(v), func);\r
+ nc->_nparamscheck = 0;\r
+ for(SQUnsignedInteger i = 0; i < nfreevars; i++) {\r
+ nc->_outervalues.push_back(v->Top());\r
+ v->Pop();\r
+ }\r
+ v->Push(SQObjectPtr(nc)); \r
+}\r
+\r
+SQRESULT sq_getclosureinfo(HSQUIRRELVM v,SQInteger idx,SQUnsignedInteger *nparams,SQUnsignedInteger *nfreevars)\r
+{\r
+ SQObject o = stack_get(v, idx);\r
+ if(sq_isclosure(o)) {\r
+ SQClosure *c = _closure(o);\r
+ SQFunctionProto *proto = _funcproto(c->_function);\r
+ *nparams = (SQUnsignedInteger)proto->_parameters.size();\r
+ *nfreevars = (SQUnsignedInteger)c->_outervalues.size();\r
+ return SQ_OK;\r
+ }\r
+ return sq_throwerror(v,_SC("the object is not a closure"));\r
+}\r
+\r
+SQRESULT sq_setnativeclosurename(HSQUIRRELVM v,SQInteger idx,const SQChar *name)\r
+{\r
+ SQObject o = stack_get(v, idx);\r
+ if(sq_isnativeclosure(o)) {\r
+ SQNativeClosure *nc = _nativeclosure(o);\r
+ nc->_name = SQString::Create(_ss(v),name);\r
+ return SQ_OK;\r
+ }\r
+ return sq_throwerror(v,_SC("the object is not a nativeclosure"));\r
+}\r
+\r
+SQRESULT sq_setparamscheck(HSQUIRRELVM v,SQInteger nparamscheck,const SQChar *typemask)\r
+{\r
+ SQObject o = stack_get(v, -1);\r
+ if(!sq_isnativeclosure(o))\r
+ return sq_throwerror(v, _SC("native closure expected"));\r
+ SQNativeClosure *nc = _nativeclosure(o);\r
+ nc->_nparamscheck = nparamscheck;\r
+ if(typemask) {\r
+ SQIntVec res;\r
+ if(!CompileTypemask(res, typemask))\r
+ return sq_throwerror(v, _SC("invalid typemask"));\r
+ nc->_typecheck.copy(res);\r
+ }\r
+ else {\r
+ nc->_typecheck.resize(0);\r
+ }\r
+ if(nparamscheck == SQ_MATCHTYPEMASKSTRING) {\r
+ nc->_nparamscheck = nc->_typecheck.size();\r
+ }\r
+ return SQ_OK;\r
+}\r
+\r
+SQRESULT sq_bindenv(HSQUIRRELVM v,SQInteger idx)\r
+{\r
+ SQObjectPtr &o = stack_get(v,idx);\r
+ if(!sq_isnativeclosure(o) &&\r
+ !sq_isclosure(o))\r
+ return sq_throwerror(v,_SC("the target is not a closure"));\r
+ SQObjectPtr &env = stack_get(v,-1);\r
+ if(!sq_istable(env) &&\r
+ !sq_isclass(env) &&\r
+ !sq_isinstance(env))\r
+ return sq_throwerror(v,_SC("invalid environment"));\r
+ SQObjectPtr w = _refcounted(env)->GetWeakRef(type(env));\r
+ SQObjectPtr ret;\r
+ if(sq_isclosure(o)) {\r
+ SQClosure *c = _closure(o)->Clone();\r
+ c->_env = w;\r
+ ret = c;\r
+ }\r
+ else { //then must be a native closure\r
+ SQNativeClosure *c = _nativeclosure(o)->Clone();\r
+ c->_env = w;\r
+ ret = c;\r
+ }\r
+ v->Pop();\r
+ v->Push(ret);\r
+ return SQ_OK;\r
+}\r
+\r
+void sq_pushroottable(HSQUIRRELVM v)\r
+{\r
+ v->Push(v->_roottable);\r
+}\r
+\r
+void sq_pushregistrytable(HSQUIRRELVM v)\r
+{\r
+ v->Push(_ss(v)->_registry);\r
+}\r
+\r
+SQRESULT sq_setroottable(HSQUIRRELVM v)\r
+{\r
+ SQObject o = stack_get(v, -1);\r
+ if(sq_istable(o) || sq_isnull(o)) {\r
+ v->_roottable = o;\r
+ v->Pop();\r
+ return SQ_OK;\r
+ }\r
+ return sq_throwerror(v, _SC("ivalid type"));\r
+}\r
+\r
+void sq_setforeignptr(HSQUIRRELVM v,SQUserPointer p)\r
+{\r
+ v->_foreignptr = p;\r
+}\r
+\r
+SQUserPointer sq_getforeignptr(HSQUIRRELVM v)\r
+{\r
+ return v->_foreignptr;\r
+}\r
+\r
+void sq_push(HSQUIRRELVM v,SQInteger idx)\r
+{\r
+ v->Push(stack_get(v, idx));\r
+}\r
+\r
+SQObjectType sq_gettype(HSQUIRRELVM v,SQInteger idx)\r
+{\r
+ return type(stack_get(v, idx));\r
+}\r
+\r
+void sq_tostring(HSQUIRRELVM v,SQInteger idx)\r
+{\r
+ SQObjectPtr &o = stack_get(v, idx);\r
+ SQObjectPtr res;\r
+ v->ToString(o,res);\r
+ v->Push(res);\r
+}\r
+\r
+void sq_tobool(HSQUIRRELVM v, SQInteger idx, SQBool *b)\r
+{\r
+ SQObjectPtr &o = stack_get(v, idx);\r
+ *b = v->IsFalse(o)?SQFalse:SQTrue;\r
+}\r
+\r
+SQRESULT sq_getinteger(HSQUIRRELVM v,SQInteger idx,SQInteger *i)\r
+{\r
+ SQObjectPtr &o = stack_get(v, idx);\r
+ if(sq_isnumeric(o)) {\r
+ *i = tointeger(o);\r
+ return SQ_OK;\r
+ }\r
+ return SQ_ERROR;\r
+}\r
+\r
+SQRESULT sq_getfloat(HSQUIRRELVM v,SQInteger idx,SQFloat *f)\r
+{\r
+ SQObjectPtr &o = stack_get(v, idx);\r
+ if(sq_isnumeric(o)) {\r
+ *f = tofloat(o);\r
+ return SQ_OK;\r
+ }\r
+ return SQ_ERROR;\r
+}\r
+\r
+SQRESULT sq_getbool(HSQUIRRELVM v,SQInteger idx,SQBool *b)\r
+{\r
+ SQObjectPtr &o = stack_get(v, idx);\r
+ if(sq_isbool(o)) {\r
+ *b = _integer(o);\r
+ return SQ_OK;\r
+ }\r
+ return SQ_ERROR;\r
+}\r
+\r
+SQRESULT sq_getstring(HSQUIRRELVM v,SQInteger idx,const SQChar **c)\r
+{\r
+ SQObjectPtr *o = NULL;\r
+ _GETSAFE_OBJ(v, idx, OT_STRING,o);\r
+ *c = _stringval(*o);\r
+ return SQ_OK;\r
+}\r
+\r
+SQRESULT sq_getthread(HSQUIRRELVM v,SQInteger idx,HSQUIRRELVM *thread)\r
+{\r
+ SQObjectPtr *o = NULL;\r
+ _GETSAFE_OBJ(v, idx, OT_THREAD,o);\r
+ *thread = _thread(*o);\r
+ return SQ_OK;\r
+}\r
+\r
+SQRESULT sq_clone(HSQUIRRELVM v,SQInteger idx)\r
+{\r
+ SQObjectPtr &o = stack_get(v,idx);\r
+ v->Push(_null_);\r
+ if(!v->Clone(o, stack_get(v, -1))){\r
+ v->Pop();\r
+ return sq_aux_invalidtype(v, type(o));\r
+ }\r
+ return SQ_OK;\r
+}\r
+\r
+SQInteger sq_getsize(HSQUIRRELVM v, SQInteger idx)\r
+{\r
+ SQObjectPtr &o = stack_get(v, idx);\r
+ SQObjectType type = type(o);\r
+ switch(type) {\r
+ case OT_STRING: return _string(o)->_len;\r
+ case OT_TABLE: return _table(o)->CountUsed();\r
+ case OT_ARRAY: return _array(o)->Size();\r
+ case OT_USERDATA: return _userdata(o)->_size;\r
+ default:\r
+ return sq_aux_invalidtype(v, type);\r
+ }\r
+}\r
+\r
+SQRESULT sq_getuserdata(HSQUIRRELVM v,SQInteger idx,SQUserPointer *p,SQUserPointer *typetag)\r
+{\r
+ SQObjectPtr *o = NULL;\r
+ _GETSAFE_OBJ(v, idx, OT_USERDATA,o);\r
+ (*p) = _userdataval(*o);\r
+ if(typetag) *typetag = _userdata(*o)->_typetag;\r
+ return SQ_OK;\r
+}\r
+\r
+SQRESULT sq_settypetag(HSQUIRRELVM v,SQInteger idx,SQUserPointer typetag)\r
+{\r
+ SQObjectPtr &o = stack_get(v,idx);\r
+ switch(type(o)) {\r
+ case OT_USERDATA: _userdata(o)->_typetag = typetag; break;\r
+ case OT_CLASS: _class(o)->_typetag = typetag; break;\r
+ default: return sq_throwerror(v,_SC("invalid object type"));\r
+ }\r
+ return SQ_OK;\r
+}\r
+\r
+SQRESULT sq_getobjtypetag(HSQOBJECT *o,SQUserPointer * typetag)\r
+{\r
+ switch(type(*o)) {\r
+ case OT_INSTANCE: *typetag = _instance(*o)->_class->_typetag; break;\r
+ case OT_USERDATA: *typetag = _userdata(*o)->_typetag; break;\r
+ case OT_CLASS: *typetag = _class(*o)->_typetag; break;\r
+ default: return SQ_ERROR;\r
+ }\r
+ return SQ_OK;\r
+}\r
+\r
+SQRESULT sq_gettypetag(HSQUIRRELVM v,SQInteger idx,SQUserPointer *typetag)\r
+{\r
+ SQObjectPtr &o = stack_get(v,idx);\r
+ if(SQ_FAILED(sq_getobjtypetag(&o,typetag)))\r
+ return sq_throwerror(v,_SC("invalid object type"));\r
+ return SQ_OK;\r
+}\r
+\r
+SQRESULT sq_getuserpointer(HSQUIRRELVM v, SQInteger idx, SQUserPointer *p)\r
+{\r
+ SQObjectPtr *o = NULL;\r
+ _GETSAFE_OBJ(v, idx, OT_USERPOINTER,o);\r
+ (*p) = _userpointer(*o);\r
+ return SQ_OK;\r
+}\r
+\r
+SQRESULT sq_setinstanceup(HSQUIRRELVM v, SQInteger idx, SQUserPointer p)\r
+{\r
+ SQObjectPtr &o = stack_get(v,idx);\r
+ if(type(o) != OT_INSTANCE) return sq_throwerror(v,_SC("the object is not a class instance"));\r
+ _instance(o)->_userpointer = p;\r
+ return SQ_OK;\r
+}\r
+\r
+SQRESULT sq_getinstanceup(HSQUIRRELVM v, SQInteger idx, SQUserPointer *p,SQUserPointer typetag)\r
+{\r
+ SQObjectPtr &o = stack_get(v,idx);\r
+ if(type(o) != OT_INSTANCE) return sq_throwerror(v,_SC("the object is not a class instance"));\r
+ (*p) = _instance(o)->_userpointer;\r
+ if(typetag != 0) {\r
+ SQClass *cl = _instance(o)->_class;\r
+ do{\r
+ if(cl->_typetag == typetag)\r
+ return SQ_OK;\r
+ cl = cl->_base;\r
+ }while(cl != NULL);\r
+ return sq_throwerror(v,_SC("invalid type tag"));\r
+ }\r
+ return SQ_OK;\r
+}\r
+\r
+SQInteger sq_gettop(HSQUIRRELVM v)\r
+{\r
+ return (v->_top) - v->_stackbase;\r
+}\r
+\r
+void sq_settop(HSQUIRRELVM v, SQInteger newtop)\r
+{\r
+ SQInteger top = sq_gettop(v);\r
+ if(top > newtop)\r
+ sq_pop(v, top - newtop);\r
+ else\r
+ while(top < newtop) sq_pushnull(v);\r
+}\r
+\r
+void sq_pop(HSQUIRRELVM v, SQInteger nelemstopop)\r
+{\r
+ assert(v->_top >= nelemstopop);\r
+ v->Pop(nelemstopop);\r
+}\r
+\r
+void sq_poptop(HSQUIRRELVM v)\r
+{\r
+ assert(v->_top >= 1);\r
+ v->Pop();\r
+}\r
+\r
+\r
+void sq_remove(HSQUIRRELVM v, SQInteger idx)\r
+{\r
+ v->Remove(idx);\r
+}\r
+\r
+SQInteger sq_cmp(HSQUIRRELVM v)\r
+{\r
+ SQInteger res;\r
+ v->ObjCmp(stack_get(v, -1), stack_get(v, -2),res);\r
+ return res;\r
+}\r
+\r
+SQRESULT sq_newslot(HSQUIRRELVM v, SQInteger idx, SQBool bstatic)\r
+{\r
+ sq_aux_paramscheck(v, 3);\r
+ SQObjectPtr &self = stack_get(v, idx);\r
+ if(type(self) == OT_TABLE || type(self) == OT_CLASS) {\r
+ SQObjectPtr &key = v->GetUp(-2);\r
+ if(type(key) == OT_NULL) return sq_throwerror(v, _SC("null is not a valid key"));\r
+ v->NewSlot(self, key, v->GetUp(-1),bstatic?true:false);\r
+ v->Pop(2);\r
+ }\r
+ return SQ_OK;\r
+}\r
+\r
+/*SQRESULT sq_createslot(HSQUIRRELVM v, SQInteger idx)\r
+{\r
+ sq_aux_paramscheck(v, 3);\r
+ SQObjectPtr &self = stack_get(v, idx);\r
+ if(type(self) == OT_TABLE || type(self) == OT_CLASS) {\r
+ SQObjectPtr &key = v->GetUp(-2);\r
+ if(type(key) == OT_NULL) return sq_throwerror(v, _SC("null is not a valid key"));\r
+ v->NewSlot(self, key, v->GetUp(-1));\r
+ v->Pop(2);\r
+ }\r
+ return SQ_OK;\r
+}*/\r
+\r
+SQRESULT sq_deleteslot(HSQUIRRELVM v,SQInteger idx,SQBool pushval)\r
+{\r
+ sq_aux_paramscheck(v, 2);\r
+ SQObjectPtr *self;\r
+ _GETSAFE_OBJ(v, idx, OT_TABLE,self);\r
+ SQObjectPtr &key = v->GetUp(-1);\r
+ if(type(key) == OT_NULL) return sq_throwerror(v, _SC("null is not a valid key"));\r
+ SQObjectPtr res;\r
+ if(!v->DeleteSlot(*self, key, res)){\r
+ return SQ_ERROR;\r
+ }\r
+ if(pushval) v->GetUp(-1) = res;\r
+ else v->Pop(1);\r
+ return SQ_OK;\r
+}\r
+\r
+SQRESULT sq_set(HSQUIRRELVM v,SQInteger idx)\r
+{\r
+ SQObjectPtr &self = stack_get(v, idx);\r
+ if(v->Set(self, v->GetUp(-2), v->GetUp(-1),false)) {\r
+ v->Pop(2);\r
+ return SQ_OK;\r
+ }\r
+ v->Raise_IdxError(v->GetUp(-2));return SQ_ERROR;\r
+}\r
+\r
+SQRESULT sq_rawset(HSQUIRRELVM v,SQInteger idx)\r
+{\r
+ SQObjectPtr &self = stack_get(v, idx);\r
+ if(type(v->GetUp(-2)) == OT_NULL) return sq_throwerror(v, _SC("null key"));\r
+ switch(type(self)) {\r
+ case OT_TABLE:\r
+ _table(self)->NewSlot(v->GetUp(-2), v->GetUp(-1));\r
+ v->Pop(2);\r
+ return SQ_OK;\r
+ break;\r
+ case OT_CLASS:\r
+ _class(self)->NewSlot(_ss(v), v->GetUp(-2), v->GetUp(-1),false);\r
+ v->Pop(2);\r
+ return SQ_OK;\r
+ break;\r
+ case OT_INSTANCE:\r
+ if(_instance(self)->Set(v->GetUp(-2), v->GetUp(-1))) {\r
+ v->Pop(2);\r
+ return SQ_OK;\r
+ }\r
+ break;\r
+ case OT_ARRAY:\r
+ if(v->Set(self, v->GetUp(-2), v->GetUp(-1),false)) {\r
+ v->Pop(2);\r
+ return SQ_OK;\r
+ }\r
+ break;\r
+ default:\r
+ v->Pop(2);\r
+ return sq_throwerror(v, _SC("rawset works only on array/table/calsse and instance"));\r
+ }\r
+ v->Raise_IdxError(v->GetUp(-2));return SQ_ERROR;\r
+}\r
+\r
+SQRESULT sq_setdelegate(HSQUIRRELVM v,SQInteger idx)\r
+{\r
+ SQObjectPtr &self = stack_get(v, idx);\r
+ SQObjectPtr &mt = v->GetUp(-1);\r
+ SQObjectType type = type(self);\r
+ switch(type) {\r
+ case OT_TABLE:\r
+ if(type(mt) == OT_TABLE) {\r
+ if(!_table(self)->SetDelegate(_table(mt))) return sq_throwerror(v, _SC("delagate cycle")); v->Pop();}\r
+ else if(type(mt)==OT_NULL) {\r
+ _table(self)->SetDelegate(NULL); v->Pop(); }\r
+ else return sq_aux_invalidtype(v,type);\r
+ break;\r
+ case OT_USERDATA:\r
+ if(type(mt)==OT_TABLE) {\r
+ _userdata(self)->SetDelegate(_table(mt)); v->Pop(); }\r
+ else if(type(mt)==OT_NULL) {\r
+ _userdata(self)->SetDelegate(NULL); v->Pop(); }\r
+ else return sq_aux_invalidtype(v, type);\r
+ break;\r
+ default:\r
+ return sq_aux_invalidtype(v, type);\r
+ break;\r
+ }\r
+ return SQ_OK;\r
+}\r
+\r
+SQRESULT sq_rawdeleteslot(HSQUIRRELVM v,SQInteger idx,SQBool pushval)\r
+{\r
+ sq_aux_paramscheck(v, 2);\r
+ SQObjectPtr *self;\r
+ _GETSAFE_OBJ(v, idx, OT_TABLE,self);\r
+ SQObjectPtr &key = v->GetUp(-1);\r
+ SQObjectPtr t;\r
+ if(_table(*self)->Get(key,t)) {\r
+ _table(*self)->Remove(key);\r
+ }\r
+ if(pushval != 0)\r
+ if(pushval) v->GetUp(-1) = t;\r
+ else\r
+ v->Pop(1);\r
+ return SQ_OK;\r
+}\r
+\r
+SQRESULT sq_getdelegate(HSQUIRRELVM v,SQInteger idx)\r
+{\r
+ SQObjectPtr &self=stack_get(v,idx);\r
+ switch(type(self)){\r
+ case OT_TABLE:\r
+ if(!_table(self)->_delegate)break;\r
+ v->Push(SQObjectPtr(_table(self)->_delegate));\r
+ break;\r
+ case OT_USERDATA:\r
+ if(!_userdata(self)->_delegate)break;\r
+ v->Push(SQObjectPtr(_userdata(self)->_delegate));\r
+ break;\r
+ default: return sq_throwerror(v,_SC("wrong type")); break;\r
+ }\r
+ return SQ_OK;\r
+ \r
+}\r
+\r
+SQRESULT sq_get(HSQUIRRELVM v,SQInteger idx)\r
+{\r
+ SQObjectPtr &self=stack_get(v,idx);\r
+ if(v->Get(self,v->GetUp(-1),v->GetUp(-1),false,false))\r
+ return SQ_OK;\r
+ v->Pop(1);\r
+ return sq_throwerror(v,_SC("the index doesn't exist"));\r
+}\r
+\r
+SQRESULT sq_rawget(HSQUIRRELVM v,SQInteger idx)\r
+{\r
+ SQObjectPtr &self=stack_get(v,idx);\r
+ switch(type(self)) {\r
+ case OT_TABLE:\r
+ if(_table(self)->Get(v->GetUp(-1),v->GetUp(-1)))\r
+ return SQ_OK;\r
+ break;\r
+ case OT_CLASS:\r
+ if(_class(self)->Get(v->GetUp(-1),v->GetUp(-1)))\r
+ return SQ_OK;\r
+ break;\r
+ case OT_INSTANCE:\r
+ if(_instance(self)->Get(v->GetUp(-1),v->GetUp(-1)))\r
+ return SQ_OK;\r
+ break;\r
+ case OT_ARRAY:\r
+ if(v->Get(self,v->GetUp(-1),v->GetUp(-1),false,false))\r
+ return SQ_OK;\r
+ break;\r
+ default:\r
+ v->Pop(1);\r
+ return sq_throwerror(v,_SC("rawget works only on array/table/instance and class"));\r
+ } \r
+ v->Pop(1);\r
+ return sq_throwerror(v,_SC("the index doesn't exist"));\r
+}\r
+\r
+SQRESULT sq_getstackobj(HSQUIRRELVM v,SQInteger idx,HSQOBJECT *po)\r
+{\r
+ *po=stack_get(v,idx);\r
+ return SQ_OK;\r
+}\r
+\r
+const SQChar *sq_getlocal(HSQUIRRELVM v,SQUnsignedInteger level,SQUnsignedInteger idx)\r
+{\r
+ SQUnsignedInteger cstksize=v->_callsstack.size();\r
+ SQUnsignedInteger lvl=(cstksize-level)-1;\r
+ SQInteger stackbase=v->_stackbase;\r
+ if(lvl<cstksize){\r
+ for(SQUnsignedInteger i=0;i<level;i++){\r
+ SQVM::CallInfo &ci=v->_callsstack[(cstksize-i)-1];\r
+ stackbase-=ci._prevstkbase;\r
+ }\r
+ SQVM::CallInfo &ci=v->_callsstack[lvl];\r
+ if(type(ci._closure)!=OT_CLOSURE)\r
+ return NULL;\r
+ SQClosure *c=_closure(ci._closure);\r
+ SQFunctionProto *func=_funcproto(c->_function);\r
+ return func->GetLocal(v,stackbase,idx,(SQInteger)(ci._ip-func->_instructions._vals)-1);\r
+ }\r
+ return NULL;\r
+}\r
+\r
+void sq_pushobject(HSQUIRRELVM v,HSQOBJECT obj)\r
+{\r
+ v->Push(SQObjectPtr(obj));\r
+}\r
+\r
+void sq_resetobject(HSQOBJECT *po)\r
+{\r
+ po->_unVal.pUserPointer=NULL;po->_type=OT_NULL;\r
+}\r
+\r
+SQRESULT sq_throwerror(HSQUIRRELVM v,const SQChar *err)\r
+{\r
+ v->_lasterror=SQString::Create(_ss(v),err);\r
+ return -1;\r
+}\r
+\r
+void sq_reseterror(HSQUIRRELVM v)\r
+{\r
+ v->_lasterror = _null_;\r
+}\r
+\r
+void sq_getlasterror(HSQUIRRELVM v)\r
+{\r
+ v->Push(v->_lasterror);\r
+}\r
+\r
+void sq_reservestack(HSQUIRRELVM v,SQInteger nsize)\r
+{\r
+ if (((SQUnsignedInteger)v->_top + nsize) > v->_stack.size()) {\r
+ v->_stack.resize(v->_stack.size() + ((v->_top + nsize) - v->_stack.size()));\r
+ }\r
+}\r
+\r
+SQRESULT sq_resume(HSQUIRRELVM v,SQBool retval,SQBool raiseerror)\r
+{\r
+ if(type(v->GetUp(-1))==OT_GENERATOR){\r
+ v->Push(_null_); //retval\r
+ if(!v->Execute(v->GetUp(-2),v->_top,0,v->_top,v->GetUp(-1),raiseerror,SQVM::ET_RESUME_GENERATOR))\r
+ {v->Raise_Error(v->_lasterror); return SQ_ERROR;}\r
+ if(!retval)\r
+ v->Pop();\r
+ return SQ_OK;\r
+ }\r
+ return sq_throwerror(v,_SC("only generators can be resumed"));\r
+}\r
+\r
+SQRESULT sq_call(HSQUIRRELVM v,SQInteger params,SQBool retval,SQBool raiseerror)\r
+{\r
+ SQObjectPtr res;\r
+ if(v->Call(v->GetUp(-(params+1)),params,v->_top-params,res,raiseerror?true:false)){\r
+ v->Pop(params);//pop closure and args\r
+ if(retval){\r
+ v->Push(res); return SQ_OK;\r
+ }\r
+ return SQ_OK;\r
+ }\r
+ else {\r
+ v->Pop(params);\r
+ return SQ_ERROR;\r
+ }\r
+ if(!v->_suspended)\r
+ v->Pop(params);\r
+ return sq_throwerror(v,_SC("call failed"));\r
+}\r
+\r
+SQRESULT sq_suspendvm(HSQUIRRELVM v)\r
+{\r
+ return v->Suspend();\r
+}\r
+\r
+SQRESULT sq_wakeupvm(HSQUIRRELVM v,SQBool wakeupret,SQBool retval,SQBool raiseerror)\r
+{\r
+ SQObjectPtr ret;\r
+ if(!v->_suspended)\r
+ return sq_throwerror(v,_SC("cannot resume a vm that is not running any code"));\r
+ if(wakeupret) {\r
+ v->GetAt(v->_stackbase+v->_suspended_target)=v->GetUp(-1); //retval\r
+ v->Pop();\r
+ } else v->GetAt(v->_stackbase+v->_suspended_target)=_null_;\r
+ if(!v->Execute(_null_,v->_top,-1,-1,ret,raiseerror,SQVM::ET_RESUME_VM))\r
+ return SQ_ERROR;\r
+ if(sq_getvmstate(v) == SQ_VMSTATE_IDLE) {\r
+ while (v->_top > 1) v->_stack[--v->_top] = _null_;\r
+ }\r
+ if(retval)\r
+ v->Push(ret);\r
+ return SQ_OK;\r
+}\r
+\r
+void sq_setreleasehook(HSQUIRRELVM v,SQInteger idx,SQRELEASEHOOK hook)\r
+{\r
+ if(sq_gettop(v) >= 1){\r
+ SQObjectPtr &ud=stack_get(v,idx);\r
+ switch( type(ud) ) {\r
+ case OT_USERDATA: _userdata(ud)->_hook = hook; break;\r
+ case OT_INSTANCE: _instance(ud)->_hook = hook; break;\r
+ case OT_CLASS: _class(ud)->_hook = hook; break;\r
+ default: break; //shutup compiler\r
+ }\r
+ }\r
+}\r
+\r
+void sq_setcompilererrorhandler(HSQUIRRELVM v,SQCOMPILERERROR f)\r
+{\r
+ _ss(v)->_compilererrorhandler = f;\r
+}\r
+\r
+SQRESULT sq_writeclosure(HSQUIRRELVM v,SQWRITEFUNC w,SQUserPointer up)\r
+{\r
+ SQObjectPtr *o = NULL;\r
+ _GETSAFE_OBJ(v, -1, OT_CLOSURE,o);\r
+ unsigned short tag = SQ_BYTECODE_STREAM_TAG;\r
+ if(w(up,&tag,2) != 2)\r
+ return sq_throwerror(v,_SC("io error"));\r
+ if(!_closure(*o)->Save(v,up,w))\r
+ return SQ_ERROR;\r
+ return SQ_OK;\r
+}\r
+\r
+SQRESULT sq_readclosure(HSQUIRRELVM v,SQREADFUNC r,SQUserPointer up)\r
+{\r
+ SQObjectPtr func=SQFunctionProto::Create();\r
+ SQObjectPtr closure=SQClosure::Create(_ss(v),_funcproto(func));\r
+ unsigned short tag;\r
+ if(r(up,&tag,2) != 2)\r
+ return sq_throwerror(v,_SC("io error"));\r
+ if(tag != SQ_BYTECODE_STREAM_TAG)\r
+ return sq_throwerror(v,_SC("invalid stream"));\r
+ if(!_closure(closure)->Load(v,up,r))\r
+ return SQ_ERROR;\r
+ v->Push(closure);\r
+ return SQ_OK;\r
+}\r
+\r
+SQChar *sq_getscratchpad(HSQUIRRELVM v,SQInteger minsize)\r
+{\r
+ return _ss(v)->GetScratchPad(minsize);\r
+}\r
+\r
+SQInteger sq_collectgarbage(HSQUIRRELVM v)\r
+{\r
+#ifndef NO_GARBAGE_COLLECTOR\r
+ return _ss(v)->CollectGarbage(v);\r
+#else\r
+ return -1;\r
+#endif\r
+}\r
+\r
+const SQChar *sq_getfreevariable(HSQUIRRELVM v,SQInteger idx,SQUnsignedInteger nval)\r
+{\r
+ SQObjectPtr &self = stack_get(v,idx);\r
+ const SQChar *name = NULL;\r
+ if(type(self) == OT_CLOSURE) {\r
+ if(_closure(self)->_outervalues.size()>nval) {\r
+ v->Push(_closure(self)->_outervalues[nval]);\r
+ SQFunctionProto *fp = _funcproto(_closure(self)->_function);\r
+ SQOuterVar &ov = fp->_outervalues[nval];\r
+ name = _stringval(ov._name);\r
+ }\r
+ }\r
+ return name;\r
+}\r
+\r
+SQRESULT sq_setfreevariable(HSQUIRRELVM v,SQInteger idx,SQUnsignedInteger nval)\r
+{\r
+ SQObjectPtr &self=stack_get(v,idx);\r
+ switch(type(self))\r
+ {\r
+ case OT_CLOSURE:\r
+ if(_closure(self)->_outervalues.size()>nval){\r
+ _closure(self)->_outervalues[nval]=stack_get(v,-1);\r
+ }\r
+ else return sq_throwerror(v,_SC("invalid free var index"));\r
+ break;\r
+ case OT_NATIVECLOSURE:\r
+ if(_nativeclosure(self)->_outervalues.size()>nval){\r
+ _nativeclosure(self)->_outervalues[nval]=stack_get(v,-1);\r
+ }\r
+ else return sq_throwerror(v,_SC("invalid free var index"));\r
+ break;\r
+ default:\r
+ return sq_aux_invalidtype(v,type(self));\r
+ }\r
+ v->Pop(1);\r
+ return SQ_OK;\r
+}\r
+\r
+SQRESULT sq_setattributes(HSQUIRRELVM v,SQInteger idx)\r
+{\r
+ SQObjectPtr *o = NULL;\r
+ _GETSAFE_OBJ(v, idx, OT_CLASS,o);\r
+ SQObjectPtr &key = stack_get(v,-2);\r
+ SQObjectPtr &val = stack_get(v,-1);\r
+ SQObjectPtr attrs;\r
+ if(type(key) == OT_NULL) {\r
+ attrs = _class(*o)->_attributes;\r
+ _class(*o)->_attributes = val;\r
+ v->Pop(2);\r
+ v->Push(attrs);\r
+ return SQ_OK;\r
+ }else if(_class(*o)->GetAttributes(key,attrs)) {\r
+ _class(*o)->SetAttributes(key,val);\r
+ v->Pop(2);\r
+ v->Push(attrs);\r
+ return SQ_OK;\r
+ }\r
+ return sq_throwerror(v,_SC("wrong index"));\r
+}\r
+\r
+SQRESULT sq_getattributes(HSQUIRRELVM v,SQInteger idx)\r
+{\r
+ SQObjectPtr *o = NULL;\r
+ _GETSAFE_OBJ(v, idx, OT_CLASS,o);\r
+ SQObjectPtr &key = stack_get(v,-1);\r
+ SQObjectPtr attrs;\r
+ if(type(key) == OT_NULL) {\r
+ attrs = _class(*o)->_attributes;\r
+ v->Pop();\r
+ v->Push(attrs); \r
+ return SQ_OK;\r
+ }\r
+ else if(_class(*o)->GetAttributes(key,attrs)) {\r
+ v->Pop();\r
+ v->Push(attrs);\r
+ return SQ_OK;\r
+ }\r
+ return sq_throwerror(v,_SC("wrong index"));\r
+}\r
+\r
+SQRESULT sq_getbase(HSQUIRRELVM v,SQInteger idx)\r
+{\r
+ SQObjectPtr *o = NULL;\r
+ _GETSAFE_OBJ(v, idx, OT_CLASS,o);\r
+ if(_class(*o)->_base)\r
+ v->Push(SQObjectPtr(_class(*o)->_base));\r
+ else\r
+ v->Push(_null_);\r
+ return SQ_OK;\r
+}\r
+\r
+SQRESULT sq_getclass(HSQUIRRELVM v,SQInteger idx)\r
+{\r
+ SQObjectPtr *o = NULL;\r
+ _GETSAFE_OBJ(v, idx, OT_INSTANCE,o);\r
+ v->Push(SQObjectPtr(_instance(*o)->_class));\r
+ return SQ_OK;\r
+}\r
+\r
+SQRESULT sq_createinstance(HSQUIRRELVM v,SQInteger idx)\r
+{\r
+ SQObjectPtr *o = NULL;\r
+ _GETSAFE_OBJ(v, idx, OT_CLASS,o);\r
+ v->Push(_class(*o)->CreateInstance());\r
+ return SQ_OK;\r
+}\r
+\r
+void sq_weakref(HSQUIRRELVM v,SQInteger idx)\r
+{\r
+ SQObject &o=stack_get(v,idx);\r
+ if(ISREFCOUNTED(type(o))) {\r
+ v->Push(_refcounted(o)->GetWeakRef(type(o)));\r
+ return;\r
+ }\r
+ v->Push(o);\r
+}\r
+\r
+SQRESULT sq_getweakrefval(HSQUIRRELVM v,SQInteger idx)\r
+{\r
+ SQObjectPtr &o = stack_get(v,idx);\r
+ if(type(o) != OT_WEAKREF) {\r
+ return sq_throwerror(v,_SC("the object must be a weakref"));\r
+ }\r
+ v->Push(_weakref(o)->_obj);\r
+ return SQ_OK;\r
+}\r
+\r
+SQRESULT sq_getdefaultdelegate(HSQUIRRELVM v,SQObjectType t)\r
+{\r
+ SQSharedState *ss = _ss(v);\r
+ switch(t) {\r
+ case OT_TABLE: v->Push(ss->_table_default_delegate); break;\r
+ case OT_ARRAY: v->Push(ss->_array_default_delegate); break;\r
+ case OT_STRING: v->Push(ss->_string_default_delegate); break;\r
+ case OT_INTEGER: case OT_FLOAT: v->Push(ss->_number_default_delegate); break;\r
+ case OT_GENERATOR: v->Push(ss->_generator_default_delegate); break;\r
+ case OT_CLOSURE: case OT_NATIVECLOSURE: v->Push(ss->_closure_default_delegate); break;\r
+ case OT_THREAD: v->Push(ss->_thread_default_delegate); break;\r
+ case OT_CLASS: v->Push(ss->_class_default_delegate); break;\r
+ case OT_INSTANCE: v->Push(ss->_instance_default_delegate); break;\r
+ case OT_WEAKREF: v->Push(ss->_weakref_default_delegate); break;\r
+ default: return sq_throwerror(v,_SC("the type doesn't have a default delegate"));\r
+ }\r
+ return SQ_OK;\r
+}\r
+\r
+SQRESULT sq_next(HSQUIRRELVM v,SQInteger idx)\r
+{\r
+ SQObjectPtr o=stack_get(v,idx),&refpos = stack_get(v,-1),realkey,val;\r
+ if(type(o) == OT_GENERATOR) {\r
+ return sq_throwerror(v,_SC("cannot iterate a generator"));\r
+ }\r
+ bool finished;\r
+ if(!v->FOREACH_OP(o,realkey,val,refpos,0,finished))\r
+ return SQ_ERROR;\r
+ if(!finished) {\r
+ v->Push(realkey);\r
+ v->Push(val);\r
+ return SQ_OK;\r
+ }\r
+ return SQ_ERROR;\r
+}\r
+\r
+struct BufState{\r
+ const SQChar *buf;\r
+ SQInteger ptr;\r
+ SQInteger size;\r
+};\r
+\r
+SQInteger buf_lexfeed(SQUserPointer file)\r
+{\r
+ BufState *buf=(BufState*)file;\r
+ if(buf->size<(buf->ptr+1))\r
+ return 0;\r
+ return buf->buf[buf->ptr++];\r
+}\r
+\r
+SQRESULT sq_compilebuffer(HSQUIRRELVM v,const SQChar *s,SQInteger size,const SQChar *sourcename,SQBool raiseerror) {\r
+ BufState buf;\r
+ buf.buf = s;\r
+ buf.size = size;\r
+ buf.ptr = 0;\r
+ return sq_compile(v, buf_lexfeed, &buf, sourcename, raiseerror);\r
+}\r
+\r
+void sq_move(HSQUIRRELVM dest,HSQUIRRELVM src,SQInteger idx)\r
+{\r
+ dest->Push(stack_get(src,idx));\r
+}\r
+\r
+void sq_setprintfunc(HSQUIRRELVM v, SQPRINTFUNCTION printfunc)\r
+{\r
+ _ss(v)->_printfunc = printfunc;\r
+}\r
+\r
+SQPRINTFUNCTION sq_getprintfunc(HSQUIRRELVM v)\r
+{\r
+ return _ss(v)->_printfunc;\r
+}\r
+\r
+void *sq_malloc(SQUnsignedInteger size)\r
+{\r
+ return SQ_MALLOC(size);\r
+}\r
+\r
+void *sq_realloc(void* p,SQUnsignedInteger oldsize,SQUnsignedInteger newsize)\r
+{\r
+ return SQ_REALLOC(p,oldsize,newsize);\r
+}\r
+void sq_free(void *p,SQUnsignedInteger size)\r
+{\r
+ SQ_FREE(p,size);\r
+}\r
projects / supertux.git / blobdiff