From 8285a11a26d78784f26b76e6bcdfa479f6c1a345 Mon Sep 17 00:00:00 2001 From: faketruth Date: Tue, 8 Nov 2011 01:25:01 +0000 Subject: It's a Squirrel!! In SquirrelBindings.h use #define USE_SQUIRREL 1 to enable squirrel git-svn-id: http://mc-server.googlecode.com/svn/trunk@76 0a769ca7-a7f5-676a-18bf-c427514a06d6 --- squirrel_3_0_1_stable/squirrel/sqobject.h | 354 ++++++++++++++++++++++++++++++ 1 file changed, 354 insertions(+) create mode 100644 squirrel_3_0_1_stable/squirrel/sqobject.h (limited to 'squirrel_3_0_1_stable/squirrel/sqobject.h') diff --git a/squirrel_3_0_1_stable/squirrel/sqobject.h b/squirrel_3_0_1_stable/squirrel/sqobject.h new file mode 100644 index 000000000..a7d1e1ed3 --- /dev/null +++ b/squirrel_3_0_1_stable/squirrel/sqobject.h @@ -0,0 +1,354 @@ +/* see copyright notice in squirrel.h */ +#ifndef _SQOBJECT_H_ +#define _SQOBJECT_H_ + +#include "squtils.h" + +#ifdef _SQ64 +#define UINT_MINUS_ONE (0xFFFFFFFFFFFFFFFF) +#else +#define UINT_MINUS_ONE (0xFFFFFFFF) +#endif + +#define SQ_CLOSURESTREAM_HEAD (('S'<<24)|('Q'<<16)|('I'<<8)|('R')) +#define SQ_CLOSURESTREAM_PART (('P'<<24)|('A'<<16)|('R'<<8)|('T')) +#define SQ_CLOSURESTREAM_TAIL (('T'<<24)|('A'<<16)|('I'<<8)|('L')) + +struct SQSharedState; + +enum SQMetaMethod{ + MT_ADD=0, + MT_SUB=1, + MT_MUL=2, + MT_DIV=3, + MT_UNM=4, + MT_MODULO=5, + MT_SET=6, + MT_GET=7, + MT_TYPEOF=8, + MT_NEXTI=9, + MT_CMP=10, + MT_CALL=11, + MT_CLONED=12, + MT_NEWSLOT=13, + MT_DELSLOT=14, + MT_TOSTRING=15, + MT_NEWMEMBER=16, + MT_INHERITED=17, + MT_LAST = 18 +}; + +#define MM_ADD _SC("_add") +#define MM_SUB _SC("_sub") +#define MM_MUL _SC("_mul") +#define MM_DIV _SC("_div") +#define MM_UNM _SC("_unm") +#define MM_MODULO _SC("_modulo") +#define MM_SET _SC("_set") +#define MM_GET _SC("_get") +#define MM_TYPEOF _SC("_typeof") +#define MM_NEXTI _SC("_nexti") +#define MM_CMP _SC("_cmp") +#define MM_CALL _SC("_call") +#define MM_CLONED _SC("_cloned") +#define MM_NEWSLOT _SC("_newslot") +#define MM_DELSLOT _SC("_delslot") +#define MM_TOSTRING _SC("_tostring") +#define MM_NEWMEMBER _SC("_newmember") +#define MM_INHERITED _SC("_inherited") + + +#define _CONSTRUCT_VECTOR(type,size,ptr) { \ + for(SQInteger n = 0; n < ((SQInteger)size); n++) { \ + new (&ptr[n]) type(); \ + } \ +} + +#define _DESTRUCT_VECTOR(type,size,ptr) { \ + for(SQInteger nl = 0; nl < ((SQInteger)size); nl++) { \ + ptr[nl].~type(); \ + } \ +} + +#define _COPY_VECTOR(dest,src,size) { \ + for(SQInteger _n_ = 0; _n_ < ((SQInteger)size); _n_++) { \ + dest[_n_] = src[_n_]; \ + } \ +} + +#define _NULL_SQOBJECT_VECTOR(vec,size) { \ + for(SQInteger _n_ = 0; _n_ < ((SQInteger)size); _n_++) { \ + vec[_n_].Null(); \ + } \ +} + +#define MINPOWER2 4 + +struct SQRefCounted +{ + SQUnsignedInteger _uiRef; + struct SQWeakRef *_weakref; + SQRefCounted() { _uiRef = 0; _weakref = NULL; } + virtual ~SQRefCounted(); + SQWeakRef *GetWeakRef(SQObjectType type); + virtual void Release()=0; + +}; + +struct SQWeakRef : SQRefCounted +{ + void Release(); + SQObject _obj; +}; + +#define _realval(o) (type((o)) != OT_WEAKREF?(SQObject)o:_weakref(o)->_obj) + +struct SQObjectPtr; + +#define __AddRef(type,unval) if(ISREFCOUNTED(type)) \ + { \ + unval.pRefCounted->_uiRef++; \ + } + +#define __Release(type,unval) if(ISREFCOUNTED(type) && ((--unval.pRefCounted->_uiRef)==0)) \ + { \ + unval.pRefCounted->Release(); \ + } + +#define __ObjRelease(obj) { \ + if((obj)) { \ + (obj)->_uiRef--; \ + if((obj)->_uiRef == 0) \ + (obj)->Release(); \ + (obj) = NULL; \ + } \ +} + +#define __ObjAddRef(obj) { \ + (obj)->_uiRef++; \ +} + +#define type(obj) ((obj)._type) +#define is_delegable(t) (type(t)&SQOBJECT_DELEGABLE) +#define raw_type(obj) _RAW_TYPE((obj)._type) + +#define _integer(obj) ((obj)._unVal.nInteger) +#define _float(obj) ((obj)._unVal.fFloat) +#define _string(obj) ((obj)._unVal.pString) +#define _table(obj) ((obj)._unVal.pTable) +#define _array(obj) ((obj)._unVal.pArray) +#define _closure(obj) ((obj)._unVal.pClosure) +#define _generator(obj) ((obj)._unVal.pGenerator) +#define _nativeclosure(obj) ((obj)._unVal.pNativeClosure) +#define _userdata(obj) ((obj)._unVal.pUserData) +#define _userpointer(obj) ((obj)._unVal.pUserPointer) +#define _thread(obj) ((obj)._unVal.pThread) +#define _funcproto(obj) ((obj)._unVal.pFunctionProto) +#define _class(obj) ((obj)._unVal.pClass) +#define _instance(obj) ((obj)._unVal.pInstance) +#define _delegable(obj) ((SQDelegable *)(obj)._unVal.pDelegable) +#define _weakref(obj) ((obj)._unVal.pWeakRef) +#define _outer(obj) ((obj)._unVal.pOuter) +#define _refcounted(obj) ((obj)._unVal.pRefCounted) +#define _rawval(obj) ((obj)._unVal.raw) + +#define _stringval(obj) (obj)._unVal.pString->_val +#define _userdataval(obj) ((SQUserPointer)sq_aligning((obj)._unVal.pUserData + 1)) + +#define tofloat(num) ((type(num)==OT_INTEGER)?(SQFloat)_integer(num):_float(num)) +#define tointeger(num) ((type(num)==OT_FLOAT)?(SQInteger)_float(num):_integer(num)) +///////////////////////////////////////////////////////////////////////////////////// +///////////////////////////////////////////////////////////////////////////////////// +#if defined(SQUSEDOUBLE) && !defined(_SQ64) || !defined(SQUSEDOUBLE) && defined(_SQ64) +#define SQ_REFOBJECT_INIT() SQ_OBJECT_RAWINIT() +#else +#define SQ_REFOBJECT_INIT() +#endif + +#define _REF_TYPE_DECL(type,_class,sym) \ + SQObjectPtr(_class * x) \ + { \ + SQ_OBJECT_RAWINIT() \ + _type=type; \ + _unVal.sym = x; \ + assert(_unVal.pTable); \ + _unVal.pRefCounted->_uiRef++; \ + } \ + inline SQObjectPtr& operator=(_class *x) \ + { \ + SQObjectType tOldType; \ + SQObjectValue unOldVal; \ + tOldType=_type; \ + unOldVal=_unVal; \ + _type = type; \ + SQ_REFOBJECT_INIT() \ + _unVal.sym = x; \ + _unVal.pRefCounted->_uiRef++; \ + __Release(tOldType,unOldVal); \ + return *this; \ + } + +#define _SCALAR_TYPE_DECL(type,_class,sym) \ + SQObjectPtr(_class x) \ + { \ + SQ_OBJECT_RAWINIT() \ + _type=type; \ + _unVal.sym = x; \ + } \ + inline SQObjectPtr& operator=(_class x) \ + { \ + __Release(_type,_unVal); \ + _type = type; \ + SQ_OBJECT_RAWINIT() \ + _unVal.sym = x; \ + return *this; \ + } +struct SQObjectPtr : public SQObject +{ + SQObjectPtr() + { + SQ_OBJECT_RAWINIT() + _type=OT_NULL; + _unVal.pUserPointer=NULL; + } + SQObjectPtr(const SQObjectPtr &o) + { + //SQ_OBJECT_RAWINIT() + _type=o._type; + _unVal=o._unVal; + __AddRef(_type,_unVal); + } + SQObjectPtr(const SQObject &o) + { + //SQ_OBJECT_RAWINIT() + _type=o._type; + _unVal=o._unVal; + __AddRef(_type,_unVal); + } + _REF_TYPE_DECL(OT_TABLE,SQTable,pTable) + _REF_TYPE_DECL(OT_CLASS,SQClass,pClass) + _REF_TYPE_DECL(OT_INSTANCE,SQInstance,pInstance) + _REF_TYPE_DECL(OT_ARRAY,SQArray,pArray) + _REF_TYPE_DECL(OT_CLOSURE,SQClosure,pClosure) + _REF_TYPE_DECL(OT_NATIVECLOSURE,SQNativeClosure,pNativeClosure) + _REF_TYPE_DECL(OT_OUTER,SQOuter,pOuter) + _REF_TYPE_DECL(OT_GENERATOR,SQGenerator,pGenerator) + _REF_TYPE_DECL(OT_STRING,SQString,pString) + _REF_TYPE_DECL(OT_USERDATA,SQUserData,pUserData) + _REF_TYPE_DECL(OT_WEAKREF,SQWeakRef,pWeakRef) + _REF_TYPE_DECL(OT_THREAD,SQVM,pThread) + _REF_TYPE_DECL(OT_FUNCPROTO,SQFunctionProto,pFunctionProto) + + _SCALAR_TYPE_DECL(OT_INTEGER,SQInteger,nInteger) + _SCALAR_TYPE_DECL(OT_FLOAT,SQFloat,fFloat) + _SCALAR_TYPE_DECL(OT_USERPOINTER,SQUserPointer,pUserPointer) + + SQObjectPtr(bool bBool) + { + SQ_OBJECT_RAWINIT() + _type = OT_BOOL; + _unVal.nInteger = bBool?1:0; + } + inline SQObjectPtr& operator=(bool b) + { + __Release(_type,_unVal); + SQ_OBJECT_RAWINIT() + _type = OT_BOOL; + _unVal.nInteger = b?1:0; + return *this; + } + + ~SQObjectPtr() + { + __Release(_type,_unVal); + } + + inline SQObjectPtr& operator=(const SQObjectPtr& obj) + { + SQObjectType tOldType; + SQObjectValue unOldVal; + tOldType=_type; + unOldVal=_unVal; + _unVal = obj._unVal; + _type = obj._type; + __AddRef(_type,_unVal); + __Release(tOldType,unOldVal); + return *this; + } + inline SQObjectPtr& operator=(const SQObject& obj) + { + SQObjectType tOldType; + SQObjectValue unOldVal; + tOldType=_type; + unOldVal=_unVal; + _unVal = obj._unVal; + _type = obj._type; + __AddRef(_type,_unVal); + __Release(tOldType,unOldVal); + return *this; + } + inline void Null() + { + __Release(_type ,_unVal); + _type = OT_NULL; + _unVal.raw = NULL; + } + private: + SQObjectPtr(const SQChar *){} //safety +}; + + +inline void _Swap(SQObject &a,SQObject &b) +{ + SQObjectType tOldType = a._type; + SQObjectValue unOldVal = a._unVal; + a._type = b._type; + a._unVal = b._unVal; + b._type = tOldType; + b._unVal = unOldVal; +} + +///////////////////////////////////////////////////////////////////////////////////// +#ifndef NO_GARBAGE_COLLECTOR +#define MARK_FLAG 0x80000000 +struct SQCollectable : public SQRefCounted { + SQCollectable *_next; + SQCollectable *_prev; + SQSharedState *_sharedstate; + virtual SQObjectType GetType()=0; + virtual void Release()=0; + virtual void Mark(SQCollectable **chain)=0; + void UnMark(); + virtual void Finalize()=0; + static void AddToChain(SQCollectable **chain,SQCollectable *c); + static void RemoveFromChain(SQCollectable **chain,SQCollectable *c); +}; + + +#define ADD_TO_CHAIN(chain,obj) AddToChain(chain,obj) +#define REMOVE_FROM_CHAIN(chain,obj) {if(!(_uiRef&MARK_FLAG))RemoveFromChain(chain,obj);} +#define CHAINABLE_OBJ SQCollectable +#define INIT_CHAIN() {_next=NULL;_prev=NULL;_sharedstate=ss;} +#else + +#define ADD_TO_CHAIN(chain,obj) ((void)0) +#define REMOVE_FROM_CHAIN(chain,obj) ((void)0) +#define CHAINABLE_OBJ SQRefCounted +#define INIT_CHAIN() ((void)0) +#endif + +struct SQDelegable : public CHAINABLE_OBJ { + bool SetDelegate(SQTable *m); + virtual bool GetMetaMethod(SQVM *v,SQMetaMethod mm,SQObjectPtr &res); + SQTable *_delegate; +}; + +SQUnsignedInteger TranslateIndex(const SQObjectPtr &idx); +typedef sqvector SQObjectPtrVec; +typedef sqvector SQIntVec; +const SQChar *GetTypeName(const SQObjectPtr &obj1); +const SQChar *IdType2Name(SQObjectType type); + + + +#endif //_SQOBJECT_H_ -- cgit v1.2.3