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-rw-r--r--squirrel_3_0_1_stable/squirrel/sqapi.cpp2912
1 files changed, 1456 insertions, 1456 deletions
diff --git a/squirrel_3_0_1_stable/squirrel/sqapi.cpp b/squirrel_3_0_1_stable/squirrel/sqapi.cpp
index 05338ce23..4c9b4c706 100644
--- a/squirrel_3_0_1_stable/squirrel/sqapi.cpp
+++ b/squirrel_3_0_1_stable/squirrel/sqapi.cpp
@@ -1,1456 +1,1456 @@
-/*
- 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,SQInteger 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; }\
-}
-
-
-SQInteger 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(SQInteger 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, SQInteger 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;
- }
-}
-
-SQInteger sq_getvmstate(HSQUIRRELVM v)
-{
- if(v->_suspended)
- return SQ_VMSTATE_SUSPENDED;
- else {
- if(v->_callsstacksize != 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_setnativedebughook(HSQUIRRELVM v,SQDEBUGHOOK hook)
-{
- v->_debughook_native = hook;
- v->_debughook_closure.Null();
- v->_debughook = hook?true:false;
-}
-
-void sq_setdebughook(HSQUIRRELVM v)
-{
- SQObject o = stack_get(v,-1);
- if(sq_isclosure(o) || sq_isnativeclosure(o) || sq_isnull(o)) {
- v->_debughook_closure = o;
- v->_debughook_native = NULL;
- v->_debughook = !sq_isnull(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;
-#ifndef NO_COMPILER
- 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;
-#else
- return sq_throwerror(v,_SC("this is a no compiler build"));
-#endif
-}
-
-void sq_enabledebuginfo(HSQUIRRELVM v, SQBool enable)
-{
- _ss(v)->_debuginfo = enable?true:false;
-}
-
-void sq_notifyallexceptions(HSQUIRRELVM v, SQBool enable)
-{
- _ss(v)->_notifyallexceptions = enable?true:false;
-}
-
-void sq_addref(HSQUIRRELVM v,HSQOBJECT *po)
-{
- if(!ISREFCOUNTED(type(*po))) return;
-#ifdef NO_GARBAGE_COLLECTOR
- __AddRef(po->_type,po->_unVal);
-#else
- _ss(v)->_refs_table.AddRef(*po);
-#endif
-}
-
-SQUnsignedInteger sq_getrefcount(HSQUIRRELVM v,HSQOBJECT *po)
-{
- if(!ISREFCOUNTED(type(*po))) return 0;
-#ifdef NO_GARBAGE_COLLECTOR
- return po->_unVal.pRefCounted->_uiRef;
-#else
- return _ss(v)->_refs_table.GetRefCount(*po);
-#endif
-}
-
-SQBool sq_release(HSQUIRRELVM v,HSQOBJECT *po)
-{
- if(!ISREFCOUNTED(type(*po))) return SQTrue;
-#ifdef NO_GARBAGE_COLLECTOR
- bool ret = (po->_unVal.pRefCounted->_uiRef <= 1) ? SQTrue : SQFalse;
- __Release(po->_type,po->_unVal);
- return ret; //the ret val doesn't work(and cannot be fixed)
-#else
- return _ss(v)->_refs_table.Release(*po);
-#endif
-}
-
-const SQChar *sq_objtostring(const HSQOBJECT *o)
-{
- if(sq_type(*o) == OT_STRING) {
- return _stringval(*o);
- }
- return NULL;
-}
-
-SQInteger sq_objtointeger(const HSQOBJECT *o)
-{
- if(sq_isnumeric(*o)) {
- return tointeger(*o);
- }
- return 0;
-}
-
-SQFloat sq_objtofloat(const HSQOBJECT *o)
-{
- if(sq_isnumeric(*o)) {
- return tofloat(*o);
- }
- return 0;
-}
-
-SQBool sq_objtobool(const HSQOBJECT *o)
-{
- if(sq_isbool(*o)) {
- return _integer(*o);
- }
- return SQFalse;
-}
-
-SQUserPointer sq_objtouserpointer(const HSQOBJECT *o)
-{
- if(sq_isuserpointer(*o)) {
- return _userpointer(*o);
- }
- return 0;
-}
-
-void sq_pushnull(HSQUIRRELVM v)
-{
- v->PushNull();
-}
-
-void sq_pushstring(HSQUIRRELVM v,const SQChar *s,SQInteger len)
-{
- if(s)
- v->Push(SQObjectPtr(SQString::Create(_ss(v), s, len)));
- else v->PushNull();
-}
-
-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,SQUnsignedInteger size)
-{
- SQUserData *ud = SQUserData::Create(_ss(v), size);
- v->Push(ud);
- return (SQUserPointer)sq_aligning(ud + 1);
-}
-
-void sq_newtable(HSQUIRRELVM v)
-{
- v->Push(SQTable::Create(_ss(v), 0));
-}
-
-void sq_newtableex(HSQUIRRELVM v,SQInteger initialcapacity)
-{
- v->Push(SQTable::Create(_ss(v), initialcapacity));
-}
-
-void sq_newarray(HSQUIRRELVM v,SQInteger 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;
-}
-
-SQBool 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))?SQTrue:SQFalse;
-}
-
-SQRESULT sq_arrayappend(HSQUIRRELVM v,SQInteger idx)
-{
- sq_aux_paramscheck(v,2);
- SQObjectPtr *arr;
- _GETSAFE_OBJ(v, idx, OT_ARRAY,arr);
- _array(*arr)->Append(v->GetUp(-1));
- v->Pop();
- return SQ_OK;
-}
-
-SQRESULT sq_arraypop(HSQUIRRELVM v,SQInteger 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,SQInteger idx,SQInteger newsize)
-{
- sq_aux_paramscheck(v,1);
- SQObjectPtr *arr;
- _GETSAFE_OBJ(v, idx, OT_ARRAY,arr);
- if(newsize >= 0) {
- _array(*arr)->Resize(newsize);
- return SQ_OK;
- }
- return sq_throwerror(v,_SC("negative size"));
-}
-
-
-SQRESULT sq_arrayreverse(HSQUIRRELVM v,SQInteger 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;
- SQInteger size = arr->Size();
- SQInteger n = size >> 1; size -= 1;
- for(SQInteger 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_OK;
-}
-
-SQRESULT sq_arrayremove(HSQUIRRELVM v,SQInteger idx,SQInteger itemidx)
-{
- sq_aux_paramscheck(v, 1);
- SQObjectPtr *arr;
- _GETSAFE_OBJ(v, idx, OT_ARRAY,arr);
- return _array(*arr)->Remove(itemidx) ? SQ_OK : sq_throwerror(v,_SC("index out of range"));
-}
-
-SQRESULT sq_arrayinsert(HSQUIRRELVM v,SQInteger idx,SQInteger destpos)
-{
- sq_aux_paramscheck(v, 1);
- SQObjectPtr *arr;
- _GETSAFE_OBJ(v, idx, OT_ARRAY,arr);
- SQRESULT ret = _array(*arr)->Insert(destpos, v->GetUp(-1)) ? SQ_OK : sq_throwerror(v,_SC("index out of range"));
- v->Pop();
- return ret;
-}
-
-void sq_newclosure(HSQUIRRELVM v,SQFUNCTION func,SQUnsignedInteger nfreevars)
-{
- SQNativeClosure *nc = SQNativeClosure::Create(_ss(v), func,nfreevars);
- nc->_nparamscheck = 0;
- for(SQUnsignedInteger i = 0; i < nfreevars; i++) {
- nc->_outervalues[i] = v->Top();
- v->Pop();
- }
- v->Push(SQObjectPtr(nc));
-}
-
-SQRESULT sq_getclosureinfo(HSQUIRRELVM v,SQInteger idx,SQUnsignedInteger *nparams,SQUnsignedInteger *nfreevars)
-{
- SQObject o = stack_get(v, idx);
- if(type(o) == OT_CLOSURE) {
- SQClosure *c = _closure(o);
- SQFunctionProto *proto = c->_function;
- *nparams = (SQUnsignedInteger)proto->_nparameters;
- *nfreevars = (SQUnsignedInteger)proto->_noutervalues;
- return SQ_OK;
- }
- else if(type(o) == OT_NATIVECLOSURE)
- {
- SQNativeClosure *c = _nativeclosure(o);
- *nparams = (SQUnsignedInteger)c->_nparamscheck;
- *nfreevars = c->_noutervalues;
- return SQ_OK;
- }
- return sq_throwerror(v,_SC("the object is not a closure"));
-}
-
-SQRESULT sq_setnativeclosurename(HSQUIRRELVM v,SQInteger 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,SQInteger 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;
-}
-
-SQRESULT sq_bindenv(HSQUIRRELVM v,SQInteger idx)
-{
- SQObjectPtr &o = stack_get(v,idx);
- if(!sq_isnativeclosure(o) &&
- !sq_isclosure(o))
- return sq_throwerror(v,_SC("the target is not a closure"));
- SQObjectPtr &env = stack_get(v,-1);
- if(!sq_istable(env) &&
- !sq_isclass(env) &&
- !sq_isinstance(env))
- return sq_throwerror(v,_SC("invalid environment"));
- SQWeakRef *w = _refcounted(env)->GetWeakRef(type(env));
- SQObjectPtr ret;
- if(sq_isclosure(o)) {
- SQClosure *c = _closure(o)->Clone();
- __ObjRelease(c->_env);
- c->_env = w;
- __ObjAddRef(c->_env);
- if(_closure(o)->_base) {
- c->_base = _closure(o)->_base;
- __ObjAddRef(c->_base);
- }
- ret = c;
- }
- else { //then must be a native closure
- SQNativeClosure *c = _nativeclosure(o)->Clone();
- __ObjRelease(c->_env);
- c->_env = w;
- __ObjAddRef(c->_env);
- ret = c;
- }
- v->Pop();
- v->Push(ret);
- return SQ_OK;
-}
-
-SQRESULT sq_clear(HSQUIRRELVM v,SQInteger idx)
-{
- SQObject &o=stack_get(v,idx);
- switch(type(o)) {
- case OT_TABLE: _table(o)->Clear(); break;
- case OT_ARRAY: _array(o)->Resize(0); break;
- default:
- return sq_throwerror(v, _SC("clear only works on table and array"));
- break;
-
- }
- return SQ_OK;
-}
-
-void sq_pushroottable(HSQUIRRELVM v)
-{
- v->Push(v->_roottable);
-}
-
-void sq_pushregistrytable(HSQUIRRELVM v)
-{
- v->Push(_ss(v)->_registry);
-}
-
-void sq_pushconsttable(HSQUIRRELVM v)
-{
- v->Push(_ss(v)->_consts);
-}
-
-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"));
-}
-
-SQRESULT sq_setconsttable(HSQUIRRELVM v)
-{
- SQObject o = stack_get(v, -1);
- if(sq_istable(o)) {
- _ss(v)->_consts = o;
- v->Pop();
- return SQ_OK;
- }
- return sq_throwerror(v, _SC("ivalid type, expected table"));
-}
-
-void sq_setforeignptr(HSQUIRRELVM v,SQUserPointer p)
-{
- v->_foreignptr = p;
-}
-
-SQUserPointer sq_getforeignptr(HSQUIRRELVM v)
-{
- return v->_foreignptr;
-}
-
-void sq_push(HSQUIRRELVM v,SQInteger idx)
-{
- v->Push(stack_get(v, idx));
-}
-
-SQObjectType sq_gettype(HSQUIRRELVM v,SQInteger idx)
-{
- return type(stack_get(v, idx));
-}
-
-
-SQRESULT sq_tostring(HSQUIRRELVM v,SQInteger idx)
-{
- SQObjectPtr &o = stack_get(v, idx);
- SQObjectPtr res;
- if(!v->ToString(o,res)) {
- return SQ_ERROR;
- }
- v->Push(res);
- return SQ_OK;
-}
-
-void sq_tobool(HSQUIRRELVM v, SQInteger idx, SQBool *b)
-{
- SQObjectPtr &o = stack_get(v, idx);
- *b = SQVM::IsFalse(o)?SQFalse:SQTrue;
-}
-
-SQRESULT sq_getinteger(HSQUIRRELVM v,SQInteger 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,SQInteger 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,SQInteger 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,SQInteger 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,SQInteger idx,HSQUIRRELVM *thread)
-{
- SQObjectPtr *o = NULL;
- _GETSAFE_OBJ(v, idx, OT_THREAD,o);
- *thread = _thread(*o);
- return SQ_OK;
-}
-
-SQRESULT sq_clone(HSQUIRRELVM v,SQInteger idx)
-{
- SQObjectPtr &o = stack_get(v,idx);
- v->PushNull();
- if(!v->Clone(o, stack_get(v, -1))){
- v->Pop();
- return SQ_ERROR;
- }
- return SQ_OK;
-}
-
-SQInteger sq_getsize(HSQUIRRELVM v, SQInteger 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;
- case OT_INSTANCE: return _instance(o)->_class->_udsize;
- case OT_CLASS: return _class(o)->_udsize;
- default:
- return sq_aux_invalidtype(v, type);
- }
-}
-
-SQRESULT sq_getuserdata(HSQUIRRELVM v,SQInteger idx,SQUserPointer *p,SQUserPointer *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,SQInteger idx,SQUserPointer 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_getobjtypetag(const HSQOBJECT *o,SQUserPointer * typetag)
-{
- switch(type(*o)) {
- case OT_INSTANCE: *typetag = _instance(*o)->_class->_typetag; break;
- case OT_USERDATA: *typetag = _userdata(*o)->_typetag; break;
- case OT_CLASS: *typetag = _class(*o)->_typetag; break;
- default: return SQ_ERROR;
- }
- return SQ_OK;
-}
-
-SQRESULT sq_gettypetag(HSQUIRRELVM v,SQInteger idx,SQUserPointer *typetag)
-{
- SQObjectPtr &o = stack_get(v,idx);
- if(SQ_FAILED(sq_getobjtypetag(&o,typetag)))
- return sq_throwerror(v,_SC("invalid object type"));
- return SQ_OK;
-}
-
-SQRESULT sq_getuserpointer(HSQUIRRELVM v, SQInteger idx, SQUserPointer *p)
-{
- SQObjectPtr *o = NULL;
- _GETSAFE_OBJ(v, idx, OT_USERPOINTER,o);
- (*p) = _userpointer(*o);
- return SQ_OK;
-}
-
-SQRESULT sq_setinstanceup(HSQUIRRELVM v, SQInteger 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_setclassudsize(HSQUIRRELVM v, SQInteger idx, SQInteger udsize)
-{
- SQObjectPtr &o = stack_get(v,idx);
- if(type(o) != OT_CLASS) return sq_throwerror(v,_SC("the object is not a class"));
- if(_class(o)->_locked) return sq_throwerror(v,_SC("the class is locked"));
- _class(o)->_udsize = udsize;
- return SQ_OK;
-}
-
-
-SQRESULT sq_getinstanceup(HSQUIRRELVM v, SQInteger idx, SQUserPointer *p,SQUserPointer 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;
-}
-
-SQInteger sq_gettop(HSQUIRRELVM v)
-{
- return (v->_top) - v->_stackbase;
-}
-
-void sq_settop(HSQUIRRELVM v, SQInteger newtop)
-{
- SQInteger top = sq_gettop(v);
- if(top > newtop)
- sq_pop(v, top - newtop);
- else
- while(top++ < newtop) sq_pushnull(v);
-}
-
-void sq_pop(HSQUIRRELVM v, SQInteger nelemstopop)
-{
- assert(v->_top >= nelemstopop);
- v->Pop(nelemstopop);
-}
-
-void sq_poptop(HSQUIRRELVM v)
-{
- assert(v->_top >= 1);
- v->Pop();
-}
-
-
-void sq_remove(HSQUIRRELVM v, SQInteger idx)
-{
- v->Remove(idx);
-}
-
-SQInteger sq_cmp(HSQUIRRELVM v)
-{
- SQInteger res;
- v->ObjCmp(stack_get(v, -1), stack_get(v, -2),res);
- return res;
-}
-
-SQRESULT sq_newslot(HSQUIRRELVM v, SQInteger idx, SQBool bstatic)
-{
- 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),bstatic?true:false);
- v->Pop(2);
- }
- return SQ_OK;
-}
-
-SQRESULT sq_deleteslot(HSQUIRRELVM v,SQInteger 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();
- return SQ_OK;
-}
-
-SQRESULT sq_set(HSQUIRRELVM v,SQInteger idx)
-{
- SQObjectPtr &self = stack_get(v, idx);
- if(v->Set(self, v->GetUp(-2), v->GetUp(-1),DONT_FALL_BACK)) {
- v->Pop(2);
- return SQ_OK;
- }
- return SQ_ERROR;
-}
-
-SQRESULT sq_rawset(HSQUIRRELVM v,SQInteger 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(_ss(v), v->GetUp(-2), v->GetUp(-1),false);
- 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 array/table/class and instance"));
- }
- v->Raise_IdxError(v->GetUp(-2));return SQ_ERROR;
-}
-
-SQRESULT sq_setdelegate(HSQUIRRELVM v,SQInteger 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,SQInteger 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)
- v->GetUp(-1) = t;
- else
- v->Pop();
- return SQ_OK;
-}
-
-SQRESULT sq_getdelegate(HSQUIRRELVM v,SQInteger idx)
-{
- SQObjectPtr &self=stack_get(v,idx);
- switch(type(self)){
- case OT_TABLE:
- case OT_USERDATA:
- if(!_delegable(self)->_delegate){
- v->PushNull();
- break;
- }
- v->Push(SQObjectPtr(_delegable(self)->_delegate));
- break;
- default: return sq_throwerror(v,_SC("wrong type")); break;
- }
- return SQ_OK;
-
-}
-
-SQRESULT sq_get(HSQUIRRELVM v,SQInteger idx)
-{
- SQObjectPtr &self=stack_get(v,idx);
- if(v->Get(self,v->GetUp(-1),v->GetUp(-1),false,DONT_FALL_BACK))
- return SQ_OK;
- v->Pop();
- return SQ_ERROR;
-}
-
-SQRESULT sq_rawget(HSQUIRRELVM v,SQInteger 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:{
- SQObjectPtr& key = v->GetUp(-1);
- if(sq_isnumeric(key)){
- if(_array(self)->Get(tointeger(key),v->GetUp(-1))) {
- return SQ_OK;
- }
- }
- else {
- v->Pop();
- return sq_throwerror(v,_SC("invalid index type for an array"));
- }
- }
- break;
- default:
- v->Pop();
- return sq_throwerror(v,_SC("rawget works only on array/table/instance and class"));
- }
- v->Pop();
- return sq_throwerror(v,_SC("the index doesn't exist"));
-}
-
-SQRESULT sq_getstackobj(HSQUIRRELVM v,SQInteger idx,HSQOBJECT *po)
-{
- *po=stack_get(v,idx);
- return SQ_OK;
-}
-
-const SQChar *sq_getlocal(HSQUIRRELVM v,SQUnsignedInteger level,SQUnsignedInteger idx)
-{
- SQUnsignedInteger cstksize=v->_callsstacksize;
- SQUnsignedInteger lvl=(cstksize-level)-1;
- SQInteger stackbase=v->_stackbase;
- if(lvl<cstksize){
- for(SQUnsignedInteger 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=c->_function;
- if(func->_noutervalues > (SQInteger)idx) {
- v->Push(*_outer(c->_outervalues[idx])->_valptr);
- return _stringval(func->_outervalues[idx]._name);
- }
- idx -= func->_noutervalues;
- return func->GetLocal(v,stackbase,idx,(SQInteger)(ci._ip-func->_instructions)-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 SQ_ERROR;
-}
-
-SQRESULT sq_throwobject(HSQUIRRELVM v)
-{
- v->_lasterror = v->GetUp(-1);
- v->Pop();
- return SQ_ERROR;
-}
-
-
-void sq_reseterror(HSQUIRRELVM v)
-{
- v->_lasterror.Null();
-}
-
-void sq_getlasterror(HSQUIRRELVM v)
-{
- v->Push(v->_lasterror);
-}
-
-SQRESULT sq_reservestack(HSQUIRRELVM v,SQInteger nsize)
-{
- if (((SQUnsignedInteger)v->_top + nsize) > v->_stack.size()) {
- if(v->_nmetamethodscall) {
- return sq_throwerror(v,_SC("cannot resize stack while in a metamethod"));
- }
- v->_stack.resize(v->_stack.size() + ((v->_top + nsize) - v->_stack.size()));
- }
- return SQ_OK;
-}
-
-SQRESULT sq_resume(HSQUIRRELVM v,SQBool retval,SQBool raiseerror)
-{
- if(type(v->GetUp(-1))==OT_GENERATOR){
- v->PushNull(); //retval
- if(!v->Execute(v->GetUp(-2),0,v->_top,v->GetUp(-1),raiseerror,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,SQInteger params,SQBool retval,SQBool raiseerror)
-{
- SQObjectPtr res;
- if(v->Call(v->GetUp(-(params+1)),params,v->_top-params,res,raiseerror?true:false)){
-
- if(!v->_suspended) {
- 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,SQBool raiseerror,SQBool throwerror)
-{
- SQObjectPtr ret;
- if(!v->_suspended)
- return sq_throwerror(v,_SC("cannot resume a vm that is not running any code"));
- SQInteger target = v->_suspended_target;
- if(wakeupret) {
- if(target != -1) {
- v->GetAt(v->_stackbase+v->_suspended_target)=v->GetUp(-1); //retval
- }
- v->Pop();
- } else if(target != -1) { v->GetAt(v->_stackbase+v->_suspended_target).Null(); }
- SQObjectPtr dummy;
- if(!v->Execute(dummy,-1,-1,ret,raiseerror,throwerror?SQVM::ET_RESUME_THROW_VM : SQVM::ET_RESUME_VM)) {
- return SQ_ERROR;
- }
- if(retval)
- v->Push(ret);
- return SQ_OK;
-}
-
-void sq_setreleasehook(HSQUIRRELVM v,SQInteger 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;
- case OT_CLASS: _class(ud)->_hook = hook; break;
- default: break; //shutup compiler
- }
- }
-}
-
-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);
- 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 closure;
-
- 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(!SQClosure::Load(v,up,r,closure))
- return SQ_ERROR;
- v->Push(closure);
- return SQ_OK;
-}
-
-SQChar *sq_getscratchpad(HSQUIRRELVM v,SQInteger minsize)
-{
- return _ss(v)->GetScratchPad(minsize);
-}
-
-SQRESULT sq_resurrectunreachable(HSQUIRRELVM v)
-{
-#ifndef NO_GARBAGE_COLLECTOR
- _ss(v)->ResurrectUnreachable(v);
- return SQ_OK;
-#else
- return sq_throwerror(v,_SC("sq_resurrectunreachable requires a garbage collector build"));
-#endif
-}
-
-SQInteger sq_collectgarbage(HSQUIRRELVM v)
-{
-#ifndef NO_GARBAGE_COLLECTOR
- return _ss(v)->CollectGarbage(v);
-#else
- return -1;
-#endif
-}
-
-SQRESULT sq_getcallee(HSQUIRRELVM v)
-{
- if(v->_callsstacksize > 1)
- {
- v->Push(v->_callsstack[v->_callsstacksize - 2]._closure);
- return SQ_OK;
- }
- return sq_throwerror(v,_SC("no closure in the calls stack"));
-}
-
-const SQChar *sq_getfreevariable(HSQUIRRELVM v,SQInteger idx,SQUnsignedInteger nval)
-{
- SQObjectPtr &self=stack_get(v,idx);
- const SQChar *name = NULL;
- switch(type(self))
- {
- case OT_CLOSURE:{
- SQClosure *clo = _closure(self);
- SQFunctionProto *fp = clo->_function;
- if(((SQUnsignedInteger)fp->_noutervalues) > nval) {
- v->Push(*(_outer(clo->_outervalues[nval])->_valptr));
- SQOuterVar &ov = fp->_outervalues[nval];
- name = _stringval(ov._name);
- }
- }
- break;
- case OT_NATIVECLOSURE:{
- SQNativeClosure *clo = _nativeclosure(self);
- if(clo->_noutervalues > nval) {
- v->Push(clo->_outervalues[nval]);
- name = _SC("@NATIVE");
- }
- }
- break;
- default: break; //shutup compiler
- }
- return name;
-}
-
-SQRESULT sq_setfreevariable(HSQUIRRELVM v,SQInteger idx,SQUnsignedInteger nval)
-{
- SQObjectPtr &self=stack_get(v,idx);
- switch(type(self))
- {
- case OT_CLOSURE:{
- SQFunctionProto *fp = _closure(self)->_function;
- if(((SQUnsignedInteger)fp->_noutervalues) > nval){
- *(_outer(_closure(self)->_outervalues[nval])->_valptr) = stack_get(v,-1);
- }
- else return sq_throwerror(v,_SC("invalid free var index"));
- }
- break;
- case OT_NATIVECLOSURE:
- if(_nativeclosure(self)->_noutervalues > 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();
- return SQ_OK;
-}
-
-SQRESULT sq_setattributes(HSQUIRRELVM v,SQInteger 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,SQInteger 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_getmemberhandle(HSQUIRRELVM v,SQInteger idx,HSQMEMBERHANDLE *handle)
-{
- SQObjectPtr *o = NULL;
- _GETSAFE_OBJ(v, idx, OT_CLASS,o);
- SQObjectPtr &key = stack_get(v,-1);
- SQTable *m = _class(*o)->_members;
- SQObjectPtr val;
- if(m->Get(key,val)) {
- handle->_static = _isfield(val) ? SQFalse : SQTrue;
- handle->_index = _member_idx(val);
- v->Pop();
- return SQ_OK;
- }
- return sq_throwerror(v,_SC("wrong index"));
-}
-
-SQRESULT _getmemberbyhandle(HSQUIRRELVM v,SQObjectPtr &self,HSQMEMBERHANDLE *handle,SQObjectPtr *&val)
-{
- switch(type(self)) {
- case OT_INSTANCE: {
- SQInstance *i = _instance(self);
- if(handle->_static) {
- SQClass *c = i->_class;
- val = &c->_methods[handle->_index].val;
- }
- else {
- val = &i->_values[handle->_index];
-
- }
- }
- break;
- case OT_CLASS: {
- SQClass *c = _class(self);
- if(handle->_static) {
- val = &c->_methods[handle->_index].val;
- }
- else {
- val = &c->_defaultvalues[handle->_index].val;
- }
- }
- break;
- default:
- return sq_throwerror(v,_SC("wrong type(expected class or instance)"));
- }
- return SQ_OK;
-}
-
-SQRESULT sq_getbyhandle(HSQUIRRELVM v,SQInteger idx,HSQMEMBERHANDLE *handle)
-{
- SQObjectPtr &self = stack_get(v,idx);
- SQObjectPtr *val = NULL;
- if(SQ_FAILED(_getmemberbyhandle(v,self,handle,val))) {
- return SQ_ERROR;
- }
- v->Push(_realval(*val));
- return SQ_OK;
-}
-
-SQRESULT sq_setbyhandle(HSQUIRRELVM v,SQInteger idx,HSQMEMBERHANDLE *handle)
-{
- SQObjectPtr &self = stack_get(v,idx);
- SQObjectPtr &newval = stack_get(v,-1);
- SQObjectPtr *val = NULL;
- if(SQ_FAILED(_getmemberbyhandle(v,self,handle,val))) {
- return SQ_ERROR;
- }
- *val = newval;
- v->Pop();
- return SQ_OK;
-}
-
-SQRESULT sq_getbase(HSQUIRRELVM v,SQInteger idx)
-{
- SQObjectPtr *o = NULL;
- _GETSAFE_OBJ(v, idx, OT_CLASS,o);
- if(_class(*o)->_base)
- v->Push(SQObjectPtr(_class(*o)->_base));
- else
- v->PushNull();
- return SQ_OK;
-}
-
-SQRESULT sq_getclass(HSQUIRRELVM v,SQInteger 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,SQInteger idx)
-{
- SQObjectPtr *o = NULL;
- _GETSAFE_OBJ(v, idx, OT_CLASS,o);
- v->Push(_class(*o)->CreateInstance());
- return SQ_OK;
-}
-
-void sq_weakref(HSQUIRRELVM v,SQInteger idx)
-{
- SQObject &o=stack_get(v,idx);
- if(ISREFCOUNTED(type(o))) {
- v->Push(_refcounted(o)->GetWeakRef(type(o)));
- return;
- }
- v->Push(o);
-}
-
-SQRESULT sq_getweakrefval(HSQUIRRELVM v,SQInteger idx)
-{
- SQObjectPtr &o = stack_get(v,idx);
- if(type(o) != OT_WEAKREF) {
- return sq_throwerror(v,_SC("the object must be a weakref"));
- }
- v->Push(_weakref(o)->_obj);
- return SQ_OK;
-}
-
-SQRESULT sq_getdefaultdelegate(HSQUIRRELVM v,SQObjectType t)
-{
- SQSharedState *ss = _ss(v);
- switch(t) {
- case OT_TABLE: v->Push(ss->_table_default_delegate); break;
- case OT_ARRAY: v->Push(ss->_array_default_delegate); break;
- case OT_STRING: v->Push(ss->_string_default_delegate); break;
- case OT_INTEGER: case OT_FLOAT: v->Push(ss->_number_default_delegate); break;
- case OT_GENERATOR: v->Push(ss->_generator_default_delegate); break;
- case OT_CLOSURE: case OT_NATIVECLOSURE: v->Push(ss->_closure_default_delegate); break;
- case OT_THREAD: v->Push(ss->_thread_default_delegate); break;
- case OT_CLASS: v->Push(ss->_class_default_delegate); break;
- case OT_INSTANCE: v->Push(ss->_instance_default_delegate); break;
- case OT_WEAKREF: v->Push(ss->_weakref_default_delegate); break;
- default: return sq_throwerror(v,_SC("the type doesn't have a default delegate"));
- }
- return SQ_OK;
-}
-
-SQRESULT sq_next(HSQUIRRELVM v,SQInteger 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"));
- }
- int faketojump;
- if(!v->FOREACH_OP(o,realkey,val,refpos,0,666,faketojump))
- return SQ_ERROR;
- if(faketojump != 666) {
- v->Push(realkey);
- v->Push(val);
- return SQ_OK;
- }
- return SQ_ERROR;
-}
-
-struct BufState{
- const SQChar *buf;
- SQInteger ptr;
- SQInteger 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,SQInteger 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,SQInteger idx)
-{
- dest->Push(stack_get(src,idx));
-}
-
-void sq_setprintfunc(HSQUIRRELVM v, SQPRINTFUNCTION printfunc,SQPRINTFUNCTION errfunc)
-{
- _ss(v)->_printfunc = printfunc;
- _ss(v)->_errorfunc = errfunc;
-}
-
-SQPRINTFUNCTION sq_getprintfunc(HSQUIRRELVM v)
-{
- return _ss(v)->_printfunc;
-}
-
-SQPRINTFUNCTION sq_geterrorfunc(HSQUIRRELVM v)
-{
- return _ss(v)->_errorfunc;
-}
-
-void *sq_malloc(SQUnsignedInteger size)
-{
- return SQ_MALLOC(size);
-}
-
-void *sq_realloc(void* p,SQUnsignedInteger oldsize,SQUnsignedInteger newsize)
-{
- return SQ_REALLOC(p,oldsize,newsize);
-}
-
-void sq_free(void *p,SQUnsignedInteger size)
-{
- SQ_FREE(p,size);
-}
+/*
+ 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,SQInteger 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; }\
+}
+
+
+SQInteger 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(SQInteger 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, SQInteger 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;
+ }
+}
+
+SQInteger sq_getvmstate(HSQUIRRELVM v)
+{
+ if(v->_suspended)
+ return SQ_VMSTATE_SUSPENDED;
+ else {
+ if(v->_callsstacksize != 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_setnativedebughook(HSQUIRRELVM v,SQDEBUGHOOK hook)
+{
+ v->_debughook_native = hook;
+ v->_debughook_closure.Null();
+ v->_debughook = hook?true:false;
+}
+
+void sq_setdebughook(HSQUIRRELVM v)
+{
+ SQObject o = stack_get(v,-1);
+ if(sq_isclosure(o) || sq_isnativeclosure(o) || sq_isnull(o)) {
+ v->_debughook_closure = o;
+ v->_debughook_native = NULL;
+ v->_debughook = !sq_isnull(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;
+#ifndef NO_COMPILER
+ 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;
+#else
+ return sq_throwerror(v,_SC("this is a no compiler build"));
+#endif
+}
+
+void sq_enabledebuginfo(HSQUIRRELVM v, SQBool enable)
+{
+ _ss(v)->_debuginfo = enable?true:false;
+}
+
+void sq_notifyallexceptions(HSQUIRRELVM v, SQBool enable)
+{
+ _ss(v)->_notifyallexceptions = enable?true:false;
+}
+
+void sq_addref(HSQUIRRELVM v,HSQOBJECT *po)
+{
+ if(!ISREFCOUNTED(type(*po))) return;
+#ifdef NO_GARBAGE_COLLECTOR
+ __AddRef(po->_type,po->_unVal);
+#else
+ _ss(v)->_refs_table.AddRef(*po);
+#endif
+}
+
+SQUnsignedInteger sq_getrefcount(HSQUIRRELVM v,HSQOBJECT *po)
+{
+ if(!ISREFCOUNTED(type(*po))) return 0;
+#ifdef NO_GARBAGE_COLLECTOR
+ return po->_unVal.pRefCounted->_uiRef;
+#else
+ return _ss(v)->_refs_table.GetRefCount(*po);
+#endif
+}
+
+SQBool sq_release(HSQUIRRELVM v,HSQOBJECT *po)
+{
+ if(!ISREFCOUNTED(type(*po))) return SQTrue;
+#ifdef NO_GARBAGE_COLLECTOR
+ bool ret = (po->_unVal.pRefCounted->_uiRef <= 1) ? SQTrue : SQFalse;
+ __Release(po->_type,po->_unVal);
+ return ret; //the ret val doesn't work(and cannot be fixed)
+#else
+ return _ss(v)->_refs_table.Release(*po);
+#endif
+}
+
+const SQChar *sq_objtostring(const HSQOBJECT *o)
+{
+ if(sq_type(*o) == OT_STRING) {
+ return _stringval(*o);
+ }
+ return NULL;
+}
+
+SQInteger sq_objtointeger(const HSQOBJECT *o)
+{
+ if(sq_isnumeric(*o)) {
+ return tointeger(*o);
+ }
+ return 0;
+}
+
+SQFloat sq_objtofloat(const HSQOBJECT *o)
+{
+ if(sq_isnumeric(*o)) {
+ return tofloat(*o);
+ }
+ return 0;
+}
+
+SQBool sq_objtobool(const HSQOBJECT *o)
+{
+ if(sq_isbool(*o)) {
+ return _integer(*o);
+ }
+ return SQFalse;
+}
+
+SQUserPointer sq_objtouserpointer(const HSQOBJECT *o)
+{
+ if(sq_isuserpointer(*o)) {
+ return _userpointer(*o);
+ }
+ return 0;
+}
+
+void sq_pushnull(HSQUIRRELVM v)
+{
+ v->PushNull();
+}
+
+void sq_pushstring(HSQUIRRELVM v,const SQChar *s,SQInteger len)
+{
+ if(s)
+ v->Push(SQObjectPtr(SQString::Create(_ss(v), s, len)));
+ else v->PushNull();
+}
+
+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,SQUnsignedInteger size)
+{
+ SQUserData *ud = SQUserData::Create(_ss(v), size);
+ v->Push(ud);
+ return (SQUserPointer)sq_aligning(ud + 1);
+}
+
+void sq_newtable(HSQUIRRELVM v)
+{
+ v->Push(SQTable::Create(_ss(v), 0));
+}
+
+void sq_newtableex(HSQUIRRELVM v,SQInteger initialcapacity)
+{
+ v->Push(SQTable::Create(_ss(v), initialcapacity));
+}
+
+void sq_newarray(HSQUIRRELVM v,SQInteger 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;
+}
+
+SQBool 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))?SQTrue:SQFalse;
+}
+
+SQRESULT sq_arrayappend(HSQUIRRELVM v,SQInteger idx)
+{
+ sq_aux_paramscheck(v,2);
+ SQObjectPtr *arr;
+ _GETSAFE_OBJ(v, idx, OT_ARRAY,arr);
+ _array(*arr)->Append(v->GetUp(-1));
+ v->Pop();
+ return SQ_OK;
+}
+
+SQRESULT sq_arraypop(HSQUIRRELVM v,SQInteger 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,SQInteger idx,SQInteger newsize)
+{
+ sq_aux_paramscheck(v,1);
+ SQObjectPtr *arr;
+ _GETSAFE_OBJ(v, idx, OT_ARRAY,arr);
+ if(newsize >= 0) {
+ _array(*arr)->Resize(newsize);
+ return SQ_OK;
+ }
+ return sq_throwerror(v,_SC("negative size"));
+}
+
+
+SQRESULT sq_arrayreverse(HSQUIRRELVM v,SQInteger 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;
+ SQInteger size = arr->Size();
+ SQInteger n = size >> 1; size -= 1;
+ for(SQInteger 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_OK;
+}
+
+SQRESULT sq_arrayremove(HSQUIRRELVM v,SQInteger idx,SQInteger itemidx)
+{
+ sq_aux_paramscheck(v, 1);
+ SQObjectPtr *arr;
+ _GETSAFE_OBJ(v, idx, OT_ARRAY,arr);
+ return _array(*arr)->Remove(itemidx) ? SQ_OK : sq_throwerror(v,_SC("index out of range"));
+}
+
+SQRESULT sq_arrayinsert(HSQUIRRELVM v,SQInteger idx,SQInteger destpos)
+{
+ sq_aux_paramscheck(v, 1);
+ SQObjectPtr *arr;
+ _GETSAFE_OBJ(v, idx, OT_ARRAY,arr);
+ SQRESULT ret = _array(*arr)->Insert(destpos, v->GetUp(-1)) ? SQ_OK : sq_throwerror(v,_SC("index out of range"));
+ v->Pop();
+ return ret;
+}
+
+void sq_newclosure(HSQUIRRELVM v,SQFUNCTION func,SQUnsignedInteger nfreevars)
+{
+ SQNativeClosure *nc = SQNativeClosure::Create(_ss(v), func,nfreevars);
+ nc->_nparamscheck = 0;
+ for(SQUnsignedInteger i = 0; i < nfreevars; i++) {
+ nc->_outervalues[i] = v->Top();
+ v->Pop();
+ }
+ v->Push(SQObjectPtr(nc));
+}
+
+SQRESULT sq_getclosureinfo(HSQUIRRELVM v,SQInteger idx,SQUnsignedInteger *nparams,SQUnsignedInteger *nfreevars)
+{
+ SQObject o = stack_get(v, idx);
+ if(type(o) == OT_CLOSURE) {
+ SQClosure *c = _closure(o);
+ SQFunctionProto *proto = c->_function;
+ *nparams = (SQUnsignedInteger)proto->_nparameters;
+ *nfreevars = (SQUnsignedInteger)proto->_noutervalues;
+ return SQ_OK;
+ }
+ else if(type(o) == OT_NATIVECLOSURE)
+ {
+ SQNativeClosure *c = _nativeclosure(o);
+ *nparams = (SQUnsignedInteger)c->_nparamscheck;
+ *nfreevars = c->_noutervalues;
+ return SQ_OK;
+ }
+ return sq_throwerror(v,_SC("the object is not a closure"));
+}
+
+SQRESULT sq_setnativeclosurename(HSQUIRRELVM v,SQInteger 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,SQInteger 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;
+}
+
+SQRESULT sq_bindenv(HSQUIRRELVM v,SQInteger idx)
+{
+ SQObjectPtr &o = stack_get(v,idx);
+ if(!sq_isnativeclosure(o) &&
+ !sq_isclosure(o))
+ return sq_throwerror(v,_SC("the target is not a closure"));
+ SQObjectPtr &env = stack_get(v,-1);
+ if(!sq_istable(env) &&
+ !sq_isclass(env) &&
+ !sq_isinstance(env))
+ return sq_throwerror(v,_SC("invalid environment"));
+ SQWeakRef *w = _refcounted(env)->GetWeakRef(type(env));
+ SQObjectPtr ret;
+ if(sq_isclosure(o)) {
+ SQClosure *c = _closure(o)->Clone();
+ __ObjRelease(c->_env);
+ c->_env = w;
+ __ObjAddRef(c->_env);
+ if(_closure(o)->_base) {
+ c->_base = _closure(o)->_base;
+ __ObjAddRef(c->_base);
+ }
+ ret = c;
+ }
+ else { //then must be a native closure
+ SQNativeClosure *c = _nativeclosure(o)->Clone();
+ __ObjRelease(c->_env);
+ c->_env = w;
+ __ObjAddRef(c->_env);
+ ret = c;
+ }
+ v->Pop();
+ v->Push(ret);
+ return SQ_OK;
+}
+
+SQRESULT sq_clear(HSQUIRRELVM v,SQInteger idx)
+{
+ SQObject &o=stack_get(v,idx);
+ switch(type(o)) {
+ case OT_TABLE: _table(o)->Clear(); break;
+ case OT_ARRAY: _array(o)->Resize(0); break;
+ default:
+ return sq_throwerror(v, _SC("clear only works on table and array"));
+ break;
+
+ }
+ return SQ_OK;
+}
+
+void sq_pushroottable(HSQUIRRELVM v)
+{
+ v->Push(v->_roottable);
+}
+
+void sq_pushregistrytable(HSQUIRRELVM v)
+{
+ v->Push(_ss(v)->_registry);
+}
+
+void sq_pushconsttable(HSQUIRRELVM v)
+{
+ v->Push(_ss(v)->_consts);
+}
+
+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"));
+}
+
+SQRESULT sq_setconsttable(HSQUIRRELVM v)
+{
+ SQObject o = stack_get(v, -1);
+ if(sq_istable(o)) {
+ _ss(v)->_consts = o;
+ v->Pop();
+ return SQ_OK;
+ }
+ return sq_throwerror(v, _SC("ivalid type, expected table"));
+}
+
+void sq_setforeignptr(HSQUIRRELVM v,SQUserPointer p)
+{
+ v->_foreignptr = p;
+}
+
+SQUserPointer sq_getforeignptr(HSQUIRRELVM v)
+{
+ return v->_foreignptr;
+}
+
+void sq_push(HSQUIRRELVM v,SQInteger idx)
+{
+ v->Push(stack_get(v, idx));
+}
+
+SQObjectType sq_gettype(HSQUIRRELVM v,SQInteger idx)
+{
+ return type(stack_get(v, idx));
+}
+
+
+SQRESULT sq_tostring(HSQUIRRELVM v,SQInteger idx)
+{
+ SQObjectPtr &o = stack_get(v, idx);
+ SQObjectPtr res;
+ if(!v->ToString(o,res)) {
+ return SQ_ERROR;
+ }
+ v->Push(res);
+ return SQ_OK;
+}
+
+void sq_tobool(HSQUIRRELVM v, SQInteger idx, SQBool *b)
+{
+ SQObjectPtr &o = stack_get(v, idx);
+ *b = SQVM::IsFalse(o)?SQFalse:SQTrue;
+}
+
+SQRESULT sq_getinteger(HSQUIRRELVM v,SQInteger 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,SQInteger 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,SQInteger 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,SQInteger 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,SQInteger idx,HSQUIRRELVM *thread)
+{
+ SQObjectPtr *o = NULL;
+ _GETSAFE_OBJ(v, idx, OT_THREAD,o);
+ *thread = _thread(*o);
+ return SQ_OK;
+}
+
+SQRESULT sq_clone(HSQUIRRELVM v,SQInteger idx)
+{
+ SQObjectPtr &o = stack_get(v,idx);
+ v->PushNull();
+ if(!v->Clone(o, stack_get(v, -1))){
+ v->Pop();
+ return SQ_ERROR;
+ }
+ return SQ_OK;
+}
+
+SQInteger sq_getsize(HSQUIRRELVM v, SQInteger 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;
+ case OT_INSTANCE: return _instance(o)->_class->_udsize;
+ case OT_CLASS: return _class(o)->_udsize;
+ default:
+ return sq_aux_invalidtype(v, type);
+ }
+}
+
+SQRESULT sq_getuserdata(HSQUIRRELVM v,SQInteger idx,SQUserPointer *p,SQUserPointer *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,SQInteger idx,SQUserPointer 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_getobjtypetag(const HSQOBJECT *o,SQUserPointer * typetag)
+{
+ switch(type(*o)) {
+ case OT_INSTANCE: *typetag = _instance(*o)->_class->_typetag; break;
+ case OT_USERDATA: *typetag = _userdata(*o)->_typetag; break;
+ case OT_CLASS: *typetag = _class(*o)->_typetag; break;
+ default: return SQ_ERROR;
+ }
+ return SQ_OK;
+}
+
+SQRESULT sq_gettypetag(HSQUIRRELVM v,SQInteger idx,SQUserPointer *typetag)
+{
+ SQObjectPtr &o = stack_get(v,idx);
+ if(SQ_FAILED(sq_getobjtypetag(&o,typetag)))
+ return sq_throwerror(v,_SC("invalid object type"));
+ return SQ_OK;
+}
+
+SQRESULT sq_getuserpointer(HSQUIRRELVM v, SQInteger idx, SQUserPointer *p)
+{
+ SQObjectPtr *o = NULL;
+ _GETSAFE_OBJ(v, idx, OT_USERPOINTER,o);
+ (*p) = _userpointer(*o);
+ return SQ_OK;
+}
+
+SQRESULT sq_setinstanceup(HSQUIRRELVM v, SQInteger 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_setclassudsize(HSQUIRRELVM v, SQInteger idx, SQInteger udsize)
+{
+ SQObjectPtr &o = stack_get(v,idx);
+ if(type(o) != OT_CLASS) return sq_throwerror(v,_SC("the object is not a class"));
+ if(_class(o)->_locked) return sq_throwerror(v,_SC("the class is locked"));
+ _class(o)->_udsize = udsize;
+ return SQ_OK;
+}
+
+
+SQRESULT sq_getinstanceup(HSQUIRRELVM v, SQInteger idx, SQUserPointer *p,SQUserPointer 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;
+}
+
+SQInteger sq_gettop(HSQUIRRELVM v)
+{
+ return (v->_top) - v->_stackbase;
+}
+
+void sq_settop(HSQUIRRELVM v, SQInteger newtop)
+{
+ SQInteger top = sq_gettop(v);
+ if(top > newtop)
+ sq_pop(v, top - newtop);
+ else
+ while(top++ < newtop) sq_pushnull(v);
+}
+
+void sq_pop(HSQUIRRELVM v, SQInteger nelemstopop)
+{
+ assert(v->_top >= nelemstopop);
+ v->Pop(nelemstopop);
+}
+
+void sq_poptop(HSQUIRRELVM v)
+{
+ assert(v->_top >= 1);
+ v->Pop();
+}
+
+
+void sq_remove(HSQUIRRELVM v, SQInteger idx)
+{
+ v->Remove(idx);
+}
+
+SQInteger sq_cmp(HSQUIRRELVM v)
+{
+ SQInteger res;
+ v->ObjCmp(stack_get(v, -1), stack_get(v, -2),res);
+ return res;
+}
+
+SQRESULT sq_newslot(HSQUIRRELVM v, SQInteger idx, SQBool bstatic)
+{
+ 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),bstatic?true:false);
+ v->Pop(2);
+ }
+ return SQ_OK;
+}
+
+SQRESULT sq_deleteslot(HSQUIRRELVM v,SQInteger 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();
+ return SQ_OK;
+}
+
+SQRESULT sq_set(HSQUIRRELVM v,SQInteger idx)
+{
+ SQObjectPtr &self = stack_get(v, idx);
+ if(v->Set(self, v->GetUp(-2), v->GetUp(-1),DONT_FALL_BACK)) {
+ v->Pop(2);
+ return SQ_OK;
+ }
+ return SQ_ERROR;
+}
+
+SQRESULT sq_rawset(HSQUIRRELVM v,SQInteger 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(_ss(v), v->GetUp(-2), v->GetUp(-1),false);
+ 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 array/table/class and instance"));
+ }
+ v->Raise_IdxError(v->GetUp(-2));return SQ_ERROR;
+}
+
+SQRESULT sq_setdelegate(HSQUIRRELVM v,SQInteger 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,SQInteger 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)
+ v->GetUp(-1) = t;
+ else
+ v->Pop();
+ return SQ_OK;
+}
+
+SQRESULT sq_getdelegate(HSQUIRRELVM v,SQInteger idx)
+{
+ SQObjectPtr &self=stack_get(v,idx);
+ switch(type(self)){
+ case OT_TABLE:
+ case OT_USERDATA:
+ if(!_delegable(self)->_delegate){
+ v->PushNull();
+ break;
+ }
+ v->Push(SQObjectPtr(_delegable(self)->_delegate));
+ break;
+ default: return sq_throwerror(v,_SC("wrong type")); break;
+ }
+ return SQ_OK;
+
+}
+
+SQRESULT sq_get(HSQUIRRELVM v,SQInteger idx)
+{
+ SQObjectPtr &self=stack_get(v,idx);
+ if(v->Get(self,v->GetUp(-1),v->GetUp(-1),false,DONT_FALL_BACK))
+ return SQ_OK;
+ v->Pop();
+ return SQ_ERROR;
+}
+
+SQRESULT sq_rawget(HSQUIRRELVM v,SQInteger 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:{
+ SQObjectPtr& key = v->GetUp(-1);
+ if(sq_isnumeric(key)){
+ if(_array(self)->Get(tointeger(key),v->GetUp(-1))) {
+ return SQ_OK;
+ }
+ }
+ else {
+ v->Pop();
+ return sq_throwerror(v,_SC("invalid index type for an array"));
+ }
+ }
+ break;
+ default:
+ v->Pop();
+ return sq_throwerror(v,_SC("rawget works only on array/table/instance and class"));
+ }
+ v->Pop();
+ return sq_throwerror(v,_SC("the index doesn't exist"));
+}
+
+SQRESULT sq_getstackobj(HSQUIRRELVM v,SQInteger idx,HSQOBJECT *po)
+{
+ *po=stack_get(v,idx);
+ return SQ_OK;
+}
+
+const SQChar *sq_getlocal(HSQUIRRELVM v,SQUnsignedInteger level,SQUnsignedInteger idx)
+{
+ SQUnsignedInteger cstksize=v->_callsstacksize;
+ SQUnsignedInteger lvl=(cstksize-level)-1;
+ SQInteger stackbase=v->_stackbase;
+ if(lvl<cstksize){
+ for(SQUnsignedInteger 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=c->_function;
+ if(func->_noutervalues > (SQInteger)idx) {
+ v->Push(*_outer(c->_outervalues[idx])->_valptr);
+ return _stringval(func->_outervalues[idx]._name);
+ }
+ idx -= func->_noutervalues;
+ return func->GetLocal(v,stackbase,idx,(SQInteger)(ci._ip-func->_instructions)-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 SQ_ERROR;
+}
+
+SQRESULT sq_throwobject(HSQUIRRELVM v)
+{
+ v->_lasterror = v->GetUp(-1);
+ v->Pop();
+ return SQ_ERROR;
+}
+
+
+void sq_reseterror(HSQUIRRELVM v)
+{
+ v->_lasterror.Null();
+}
+
+void sq_getlasterror(HSQUIRRELVM v)
+{
+ v->Push(v->_lasterror);
+}
+
+SQRESULT sq_reservestack(HSQUIRRELVM v,SQInteger nsize)
+{
+ if (((SQUnsignedInteger)v->_top + nsize) > v->_stack.size()) {
+ if(v->_nmetamethodscall) {
+ return sq_throwerror(v,_SC("cannot resize stack while in a metamethod"));
+ }
+ v->_stack.resize(v->_stack.size() + ((v->_top + nsize) - v->_stack.size()));
+ }
+ return SQ_OK;
+}
+
+SQRESULT sq_resume(HSQUIRRELVM v,SQBool retval,SQBool raiseerror)
+{
+ if(type(v->GetUp(-1))==OT_GENERATOR){
+ v->PushNull(); //retval
+ if(!v->Execute(v->GetUp(-2),0,v->_top,v->GetUp(-1),raiseerror,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,SQInteger params,SQBool retval,SQBool raiseerror)
+{
+ SQObjectPtr res;
+ if(v->Call(v->GetUp(-(params+1)),params,v->_top-params,res,raiseerror?true:false)){
+
+ if(!v->_suspended) {
+ 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,SQBool raiseerror,SQBool throwerror)
+{
+ SQObjectPtr ret;
+ if(!v->_suspended)
+ return sq_throwerror(v,_SC("cannot resume a vm that is not running any code"));
+ SQInteger target = v->_suspended_target;
+ if(wakeupret) {
+ if(target != -1) {
+ v->GetAt(v->_stackbase+v->_suspended_target)=v->GetUp(-1); //retval
+ }
+ v->Pop();
+ } else if(target != -1) { v->GetAt(v->_stackbase+v->_suspended_target).Null(); }
+ SQObjectPtr dummy;
+ if(!v->Execute(dummy,-1,-1,ret,raiseerror,throwerror?SQVM::ET_RESUME_THROW_VM : SQVM::ET_RESUME_VM)) {
+ return SQ_ERROR;
+ }
+ if(retval)
+ v->Push(ret);
+ return SQ_OK;
+}
+
+void sq_setreleasehook(HSQUIRRELVM v,SQInteger 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;
+ case OT_CLASS: _class(ud)->_hook = hook; break;
+ default: break; //shutup compiler
+ }
+ }
+}
+
+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);
+ 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 closure;
+
+ 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(!SQClosure::Load(v,up,r,closure))
+ return SQ_ERROR;
+ v->Push(closure);
+ return SQ_OK;
+}
+
+SQChar *sq_getscratchpad(HSQUIRRELVM v,SQInteger minsize)
+{
+ return _ss(v)->GetScratchPad(minsize);
+}
+
+SQRESULT sq_resurrectunreachable(HSQUIRRELVM v)
+{
+#ifndef NO_GARBAGE_COLLECTOR
+ _ss(v)->ResurrectUnreachable(v);
+ return SQ_OK;
+#else
+ return sq_throwerror(v,_SC("sq_resurrectunreachable requires a garbage collector build"));
+#endif
+}
+
+SQInteger sq_collectgarbage(HSQUIRRELVM v)
+{
+#ifndef NO_GARBAGE_COLLECTOR
+ return _ss(v)->CollectGarbage(v);
+#else
+ return -1;
+#endif
+}
+
+SQRESULT sq_getcallee(HSQUIRRELVM v)
+{
+ if(v->_callsstacksize > 1)
+ {
+ v->Push(v->_callsstack[v->_callsstacksize - 2]._closure);
+ return SQ_OK;
+ }
+ return sq_throwerror(v,_SC("no closure in the calls stack"));
+}
+
+const SQChar *sq_getfreevariable(HSQUIRRELVM v,SQInteger idx,SQUnsignedInteger nval)
+{
+ SQObjectPtr &self=stack_get(v,idx);
+ const SQChar *name = NULL;
+ switch(type(self))
+ {
+ case OT_CLOSURE:{
+ SQClosure *clo = _closure(self);
+ SQFunctionProto *fp = clo->_function;
+ if(((SQUnsignedInteger)fp->_noutervalues) > nval) {
+ v->Push(*(_outer(clo->_outervalues[nval])->_valptr));
+ SQOuterVar &ov = fp->_outervalues[nval];
+ name = _stringval(ov._name);
+ }
+ }
+ break;
+ case OT_NATIVECLOSURE:{
+ SQNativeClosure *clo = _nativeclosure(self);
+ if(clo->_noutervalues > nval) {
+ v->Push(clo->_outervalues[nval]);
+ name = _SC("@NATIVE");
+ }
+ }
+ break;
+ default: break; //shutup compiler
+ }
+ return name;
+}
+
+SQRESULT sq_setfreevariable(HSQUIRRELVM v,SQInteger idx,SQUnsignedInteger nval)
+{
+ SQObjectPtr &self=stack_get(v,idx);
+ switch(type(self))
+ {
+ case OT_CLOSURE:{
+ SQFunctionProto *fp = _closure(self)->_function;
+ if(((SQUnsignedInteger)fp->_noutervalues) > nval){
+ *(_outer(_closure(self)->_outervalues[nval])->_valptr) = stack_get(v,-1);
+ }
+ else return sq_throwerror(v,_SC("invalid free var index"));
+ }
+ break;
+ case OT_NATIVECLOSURE:
+ if(_nativeclosure(self)->_noutervalues > 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();
+ return SQ_OK;
+}
+
+SQRESULT sq_setattributes(HSQUIRRELVM v,SQInteger 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,SQInteger 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_getmemberhandle(HSQUIRRELVM v,SQInteger idx,HSQMEMBERHANDLE *handle)
+{
+ SQObjectPtr *o = NULL;
+ _GETSAFE_OBJ(v, idx, OT_CLASS,o);
+ SQObjectPtr &key = stack_get(v,-1);
+ SQTable *m = _class(*o)->_members;
+ SQObjectPtr val;
+ if(m->Get(key,val)) {
+ handle->_static = _isfield(val) ? SQFalse : SQTrue;
+ handle->_index = _member_idx(val);
+ v->Pop();
+ return SQ_OK;
+ }
+ return sq_throwerror(v,_SC("wrong index"));
+}
+
+SQRESULT _getmemberbyhandle(HSQUIRRELVM v,SQObjectPtr &self,HSQMEMBERHANDLE *handle,SQObjectPtr *&val)
+{
+ switch(type(self)) {
+ case OT_INSTANCE: {
+ SQInstance *i = _instance(self);
+ if(handle->_static) {
+ SQClass *c = i->_class;
+ val = &c->_methods[handle->_index].val;
+ }
+ else {
+ val = &i->_values[handle->_index];
+
+ }
+ }
+ break;
+ case OT_CLASS: {
+ SQClass *c = _class(self);
+ if(handle->_static) {
+ val = &c->_methods[handle->_index].val;
+ }
+ else {
+ val = &c->_defaultvalues[handle->_index].val;
+ }
+ }
+ break;
+ default:
+ return sq_throwerror(v,_SC("wrong type(expected class or instance)"));
+ }
+ return SQ_OK;
+}
+
+SQRESULT sq_getbyhandle(HSQUIRRELVM v,SQInteger idx,HSQMEMBERHANDLE *handle)
+{
+ SQObjectPtr &self = stack_get(v,idx);
+ SQObjectPtr *val = NULL;
+ if(SQ_FAILED(_getmemberbyhandle(v,self,handle,val))) {
+ return SQ_ERROR;
+ }
+ v->Push(_realval(*val));
+ return SQ_OK;
+}
+
+SQRESULT sq_setbyhandle(HSQUIRRELVM v,SQInteger idx,HSQMEMBERHANDLE *handle)
+{
+ SQObjectPtr &self = stack_get(v,idx);
+ SQObjectPtr &newval = stack_get(v,-1);
+ SQObjectPtr *val = NULL;
+ if(SQ_FAILED(_getmemberbyhandle(v,self,handle,val))) {
+ return SQ_ERROR;
+ }
+ *val = newval;
+ v->Pop();
+ return SQ_OK;
+}
+
+SQRESULT sq_getbase(HSQUIRRELVM v,SQInteger idx)
+{
+ SQObjectPtr *o = NULL;
+ _GETSAFE_OBJ(v, idx, OT_CLASS,o);
+ if(_class(*o)->_base)
+ v->Push(SQObjectPtr(_class(*o)->_base));
+ else
+ v->PushNull();
+ return SQ_OK;
+}
+
+SQRESULT sq_getclass(HSQUIRRELVM v,SQInteger 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,SQInteger idx)
+{
+ SQObjectPtr *o = NULL;
+ _GETSAFE_OBJ(v, idx, OT_CLASS,o);
+ v->Push(_class(*o)->CreateInstance());
+ return SQ_OK;
+}
+
+void sq_weakref(HSQUIRRELVM v,SQInteger idx)
+{
+ SQObject &o=stack_get(v,idx);
+ if(ISREFCOUNTED(type(o))) {
+ v->Push(_refcounted(o)->GetWeakRef(type(o)));
+ return;
+ }
+ v->Push(o);
+}
+
+SQRESULT sq_getweakrefval(HSQUIRRELVM v,SQInteger idx)
+{
+ SQObjectPtr &o = stack_get(v,idx);
+ if(type(o) != OT_WEAKREF) {
+ return sq_throwerror(v,_SC("the object must be a weakref"));
+ }
+ v->Push(_weakref(o)->_obj);
+ return SQ_OK;
+}
+
+SQRESULT sq_getdefaultdelegate(HSQUIRRELVM v,SQObjectType t)
+{
+ SQSharedState *ss = _ss(v);
+ switch(t) {
+ case OT_TABLE: v->Push(ss->_table_default_delegate); break;
+ case OT_ARRAY: v->Push(ss->_array_default_delegate); break;
+ case OT_STRING: v->Push(ss->_string_default_delegate); break;
+ case OT_INTEGER: case OT_FLOAT: v->Push(ss->_number_default_delegate); break;
+ case OT_GENERATOR: v->Push(ss->_generator_default_delegate); break;
+ case OT_CLOSURE: case OT_NATIVECLOSURE: v->Push(ss->_closure_default_delegate); break;
+ case OT_THREAD: v->Push(ss->_thread_default_delegate); break;
+ case OT_CLASS: v->Push(ss->_class_default_delegate); break;
+ case OT_INSTANCE: v->Push(ss->_instance_default_delegate); break;
+ case OT_WEAKREF: v->Push(ss->_weakref_default_delegate); break;
+ default: return sq_throwerror(v,_SC("the type doesn't have a default delegate"));
+ }
+ return SQ_OK;
+}
+
+SQRESULT sq_next(HSQUIRRELVM v,SQInteger 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"));
+ }
+ int faketojump;
+ if(!v->FOREACH_OP(o,realkey,val,refpos,0,666,faketojump))
+ return SQ_ERROR;
+ if(faketojump != 666) {
+ v->Push(realkey);
+ v->Push(val);
+ return SQ_OK;
+ }
+ return SQ_ERROR;
+}
+
+struct BufState{
+ const SQChar *buf;
+ SQInteger ptr;
+ SQInteger 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,SQInteger 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,SQInteger idx)
+{
+ dest->Push(stack_get(src,idx));
+}
+
+void sq_setprintfunc(HSQUIRRELVM v, SQPRINTFUNCTION printfunc,SQPRINTFUNCTION errfunc)
+{
+ _ss(v)->_printfunc = printfunc;
+ _ss(v)->_errorfunc = errfunc;
+}
+
+SQPRINTFUNCTION sq_getprintfunc(HSQUIRRELVM v)
+{
+ return _ss(v)->_printfunc;
+}
+
+SQPRINTFUNCTION sq_geterrorfunc(HSQUIRRELVM v)
+{
+ return _ss(v)->_errorfunc;
+}
+
+void *sq_malloc(SQUnsignedInteger size)
+{
+ return SQ_MALLOC(size);
+}
+
+void *sq_realloc(void* p,SQUnsignedInteger oldsize,SQUnsignedInteger newsize)
+{
+ return SQ_REALLOC(p,oldsize,newsize);
+}
+
+void sq_free(void *p,SQUnsignedInteger size)
+{
+ SQ_FREE(p,size);
+}