diff options
author | cedeel@gmail.com <cedeel@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6> | 2012-06-14 15:06:06 +0200 |
---|---|---|
committer | cedeel@gmail.com <cedeel@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6> | 2012-06-14 15:06:06 +0200 |
commit | 92c59963f82f81aa3202657e7fdbb2592924ede3 (patch) | |
tree | b7eb2474528a4998fa102e3ec9119b908cee08b4 /squirrel_3_0_1_stable/squirrel/sqapi.cpp | |
parent | Added HOOK_WEATHER_CHANGE. (diff) | |
download | cuberite-92c59963f82f81aa3202657e7fdbb2592924ede3.tar cuberite-92c59963f82f81aa3202657e7fdbb2592924ede3.tar.gz cuberite-92c59963f82f81aa3202657e7fdbb2592924ede3.tar.bz2 cuberite-92c59963f82f81aa3202657e7fdbb2592924ede3.tar.lz cuberite-92c59963f82f81aa3202657e7fdbb2592924ede3.tar.xz cuberite-92c59963f82f81aa3202657e7fdbb2592924ede3.tar.zst cuberite-92c59963f82f81aa3202657e7fdbb2592924ede3.zip |
Diffstat (limited to 'squirrel_3_0_1_stable/squirrel/sqapi.cpp')
-rw-r--r-- | squirrel_3_0_1_stable/squirrel/sqapi.cpp | 2912 |
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); +} |