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/sqclosure.h | 193 +++++++++++++++++++++++++++++ 1 file changed, 193 insertions(+) create mode 100644 squirrel_3_0_1_stable/squirrel/sqclosure.h (limited to 'squirrel_3_0_1_stable/squirrel/sqclosure.h') diff --git a/squirrel_3_0_1_stable/squirrel/sqclosure.h b/squirrel_3_0_1_stable/squirrel/sqclosure.h new file mode 100644 index 000000000..07b3efcfe --- /dev/null +++ b/squirrel_3_0_1_stable/squirrel/sqclosure.h @@ -0,0 +1,193 @@ +/* see copyright notice in squirrel.h */ +#ifndef _SQCLOSURE_H_ +#define _SQCLOSURE_H_ + + +#define _CALC_CLOSURE_SIZE(func) (sizeof(SQClosure) + (func->_noutervalues*sizeof(SQObjectPtr)) + (func->_ndefaultparams*sizeof(SQObjectPtr))) + +struct SQFunctionProto; +struct SQClass; +struct SQClosure : public CHAINABLE_OBJ +{ +private: + SQClosure(SQSharedState *ss,SQFunctionProto *func){_function = func; __ObjAddRef(_function); _base = NULL; INIT_CHAIN();ADD_TO_CHAIN(&_ss(this)->_gc_chain,this); _env = NULL;} +public: + static SQClosure *Create(SQSharedState *ss,SQFunctionProto *func){ + SQInteger size = _CALC_CLOSURE_SIZE(func); + SQClosure *nc=(SQClosure*)SQ_MALLOC(size); + new (nc) SQClosure(ss,func); + nc->_outervalues = (SQObjectPtr *)(nc + 1); + nc->_defaultparams = &nc->_outervalues[func->_noutervalues]; + _CONSTRUCT_VECTOR(SQObjectPtr,func->_noutervalues,nc->_outervalues); + _CONSTRUCT_VECTOR(SQObjectPtr,func->_ndefaultparams,nc->_defaultparams); + return nc; + } + void Release(){ + SQFunctionProto *f = _function; + SQInteger size = _CALC_CLOSURE_SIZE(f); + _DESTRUCT_VECTOR(SQObjectPtr,f->_noutervalues,_outervalues); + _DESTRUCT_VECTOR(SQObjectPtr,f->_ndefaultparams,_defaultparams); + __ObjRelease(_function); + this->~SQClosure(); + sq_vm_free(this,size); + } + + SQClosure *Clone() + { + SQFunctionProto *f = _function; + SQClosure * ret = SQClosure::Create(_opt_ss(this),f); + ret->_env = _env; + if(ret->_env) __ObjAddRef(ret->_env); + _COPY_VECTOR(ret->_outervalues,_outervalues,f->_noutervalues); + _COPY_VECTOR(ret->_defaultparams,_defaultparams,f->_ndefaultparams); + return ret; + } + ~SQClosure(); + + bool Save(SQVM *v,SQUserPointer up,SQWRITEFUNC write); + static bool Load(SQVM *v,SQUserPointer up,SQREADFUNC read,SQObjectPtr &ret); +#ifndef NO_GARBAGE_COLLECTOR + void Mark(SQCollectable **chain); + void Finalize(){ + SQFunctionProto *f = _function; + _NULL_SQOBJECT_VECTOR(_outervalues,f->_noutervalues); + _NULL_SQOBJECT_VECTOR(_defaultparams,f->_ndefaultparams); + } + SQObjectType GetType() {return OT_CLOSURE;} +#endif + SQWeakRef *_env; + SQClass *_base; + SQFunctionProto *_function; + SQObjectPtr *_outervalues; + SQObjectPtr *_defaultparams; +}; + +////////////////////////////////////////////// +struct SQOuter : public CHAINABLE_OBJ +{ + +private: + SQOuter(SQSharedState *ss, SQObjectPtr *outer){_valptr = outer; _next = NULL; INIT_CHAIN(); ADD_TO_CHAIN(&_ss(this)->_gc_chain,this); } + +public: + static SQOuter *Create(SQSharedState *ss, SQObjectPtr *outer) + { + SQOuter *nc = (SQOuter*)SQ_MALLOC(sizeof(SQOuter)); + new (nc) SQOuter(ss, outer); + return nc; + } + ~SQOuter() { REMOVE_FROM_CHAIN(&_ss(this)->_gc_chain,this); } + + void Release() + { + this->~SQOuter(); + sq_vm_free(this,sizeof(SQOuter)); + } + +#ifndef NO_GARBAGE_COLLECTOR + void Mark(SQCollectable **chain); + void Finalize() { _value.Null(); } + SQObjectType GetType() {return OT_OUTER;} +#endif + + SQObjectPtr *_valptr; /* pointer to value on stack, or _value below */ + SQInteger _idx; /* idx in stack array, for relocation */ + SQObjectPtr _value; /* value of outer after stack frame is closed */ + SQOuter *_next; /* pointer to next outer when frame is open */ +}; + +////////////////////////////////////////////// +struct SQGenerator : public CHAINABLE_OBJ +{ + enum SQGeneratorState{eRunning,eSuspended,eDead}; +private: + SQGenerator(SQSharedState *ss,SQClosure *closure){_closure=closure;_state=eRunning;_ci._generator=NULL;INIT_CHAIN();ADD_TO_CHAIN(&_ss(this)->_gc_chain,this);} +public: + static SQGenerator *Create(SQSharedState *ss,SQClosure *closure){ + SQGenerator *nc=(SQGenerator*)SQ_MALLOC(sizeof(SQGenerator)); + new (nc) SQGenerator(ss,closure); + return nc; + } + ~SQGenerator() + { + REMOVE_FROM_CHAIN(&_ss(this)->_gc_chain,this); + } + void Kill(){ + _state=eDead; + _stack.resize(0); + _closure.Null();} + void Release(){ + sq_delete(this,SQGenerator); + } + + bool Yield(SQVM *v,SQInteger target); + bool Resume(SQVM *v,SQObjectPtr &dest); +#ifndef NO_GARBAGE_COLLECTOR + void Mark(SQCollectable **chain); + void Finalize(){_stack.resize(0);_closure.Null();} + SQObjectType GetType() {return OT_GENERATOR;} +#endif + SQObjectPtr _closure; + SQObjectPtrVec _stack; + SQVM::CallInfo _ci; + ExceptionsTraps _etraps; + SQGeneratorState _state; +}; + +#define _CALC_NATVIVECLOSURE_SIZE(noutervalues) (sizeof(SQNativeClosure) + (noutervalues*sizeof(SQObjectPtr))) + +struct SQNativeClosure : public CHAINABLE_OBJ +{ +private: + SQNativeClosure(SQSharedState *ss,SQFUNCTION func){_function=func;INIT_CHAIN();ADD_TO_CHAIN(&_ss(this)->_gc_chain,this); _env = NULL;} +public: + static SQNativeClosure *Create(SQSharedState *ss,SQFUNCTION func,SQInteger nouters) + { + SQInteger size = _CALC_NATVIVECLOSURE_SIZE(nouters); + SQNativeClosure *nc=(SQNativeClosure*)SQ_MALLOC(size); + new (nc) SQNativeClosure(ss,func); + nc->_outervalues = (SQObjectPtr *)(nc + 1); + nc->_noutervalues = nouters; + _CONSTRUCT_VECTOR(SQObjectPtr,nc->_noutervalues,nc->_outervalues); + return nc; + } + SQNativeClosure *Clone() + { + SQNativeClosure * ret = SQNativeClosure::Create(_opt_ss(this),_function,_noutervalues); + ret->_env = _env; + if(ret->_env) __ObjAddRef(ret->_env); + ret->_name = _name; + _COPY_VECTOR(ret->_outervalues,_outervalues,_noutervalues); + ret->_typecheck.copy(_typecheck); + ret->_nparamscheck = _nparamscheck; + return ret; + } + ~SQNativeClosure() + { + __ObjRelease(_env); + REMOVE_FROM_CHAIN(&_ss(this)->_gc_chain,this); + } + void Release(){ + SQInteger size = _CALC_NATVIVECLOSURE_SIZE(_noutervalues); + _DESTRUCT_VECTOR(SQObjectPtr,_noutervalues,_outervalues); + this->~SQNativeClosure(); + sq_free(this,size); + } + +#ifndef NO_GARBAGE_COLLECTOR + void Mark(SQCollectable **chain); + void Finalize() { _NULL_SQOBJECT_VECTOR(_outervalues,_noutervalues); } + SQObjectType GetType() {return OT_NATIVECLOSURE;} +#endif + SQInteger _nparamscheck; + SQIntVec _typecheck; + SQObjectPtr *_outervalues; + SQUnsignedInteger _noutervalues; + SQWeakRef *_env; + SQFUNCTION _function; + SQObjectPtr _name; +}; + + + +#endif //_SQCLOSURE_H_ -- cgit v1.2.3