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Diffstat (limited to 'generic/tclOOInt.h')
| -rw-r--r-- | generic/tclOOInt.h | 610 |
1 files changed, 610 insertions, 0 deletions
diff --git a/generic/tclOOInt.h b/generic/tclOOInt.h new file mode 100644 index 0000000..ab54964 --- /dev/null +++ b/generic/tclOOInt.h @@ -0,0 +1,610 @@ +/* + * tclOOInt.h -- + * + * This file contains the structure definitions and some of the function + * declarations for the object-system (NB: not Tcl_Obj, but ::oo). + * + * Copyright (c) 2006-2012 by Donal K. Fellows + * + * See the file "license.terms" for information on usage and redistribution of + * this file, and for a DISCLAIMER OF ALL WARRANTIES. + */ + +#ifndef TCL_OO_INTERNAL_H +#define TCL_OO_INTERNAL_H 1 + +#include "tclInt.h" +#include "tclOO.h" + +/* + * Hack to make things work with Objective C. Note that ObjC isn't really + * supported, but we don't want to to be actively hostile to it. [Bug 2163447] + */ + +#ifdef __OBJC__ +#define Class TclOOClass +#define Object TclOOObject +#endif /* __OBJC__ */ + +/* + * Forward declarations. + */ + +struct CallChain; +struct Class; +struct Foundation; +struct Object; + +/* + * The data that needs to be stored per method. This record is used to collect + * information about all sorts of methods, including forwards, constructors + * and destructors. + */ + +typedef struct Method { + const Tcl_MethodType *typePtr; + /* The type of method. If NULL, this is a + * special flag record which is just used for + * the setting of the flags field. */ + int refCount; + ClientData clientData; /* Type-specific data. */ + Tcl_Obj *namePtr; /* Name of the method. */ + struct Object *declaringObjectPtr; + /* The object that declares this method, or + * NULL if it was declared by a class. */ + struct Class *declaringClassPtr; + /* The class that declares this method, or + * NULL if it was declared directly on an + * object. */ + int flags; /* Assorted flags. Includes whether this + * method is public/exported or not. */ +} Method; + +/* + * Pre- and post-call callbacks, to allow procedure-like methods to be fine + * tuned in their behaviour. + */ + +typedef int (TclOO_PreCallProc)(ClientData clientData, Tcl_Interp *interp, + Tcl_ObjectContext context, Tcl_CallFrame *framePtr, int *isFinished); +typedef int (TclOO_PostCallProc)(ClientData clientData, Tcl_Interp *interp, + Tcl_ObjectContext context, Tcl_Namespace *namespacePtr, int result); +typedef void (TclOO_PmCDDeleteProc)(ClientData clientData); +typedef ClientData (TclOO_PmCDCloneProc)(ClientData clientData); + +/* + * Procedure-like methods have the following extra information. + */ + +typedef struct ProcedureMethod { + int version; /* Version of this structure. Currently must + * be 0. */ + Proc *procPtr; /* Core of the implementation of the method; + * includes the argument definition and the + * body bytecodes. */ + int flags; /* Flags to control features. */ + int refCount; + ClientData clientData; + TclOO_PmCDDeleteProc *deleteClientdataProc; + TclOO_PmCDCloneProc *cloneClientdataProc; + ProcErrorProc *errProc; /* Replacement error handler. */ + TclOO_PreCallProc *preCallProc; + /* Callback to allow for additional setup + * before the method executes. */ + TclOO_PostCallProc *postCallProc; + /* Callback to allow for additional cleanup + * after the method executes. */ + GetFrameInfoValueProc *gfivProc; + /* Callback to allow for fine tuning of how + * the method reports itself. */ +} ProcedureMethod; + +#define TCLOO_PROCEDURE_METHOD_VERSION 0 + +/* + * Flags for use in a ProcedureMethod. + * + * When the USE_DECLARER_NS flag is set, the method will use the namespace of + * the object or class that declared it (or the clone of it, if it was from + * such that the implementation of the method came to the particular use) + * instead of the namespace of the object on which the method was invoked. + * This flag must be distinct from all others that are associated with + * methods. + */ + +#define USE_DECLARER_NS 0x80 + +/* + * Forwarded methods have the following extra information. + */ + +typedef struct ForwardMethod { + Tcl_Obj *prefixObj; /* The list of values to use to replace the + * object and method name with. Will be a + * non-empty list. */ + int fullyQualified; /* If 1, the command name is fully qualified + * and we should let the default Tcl mechanism + * handle the command lookup because it is + * more efficient. If 0, we need to do a + * specialized lookup based on the current + * object's namespace. */ +} ForwardMethod; + +/* + * Helper definitions that declare a "list" array. The two varieties are + * either optimized for simplicity (in the case that the whole array is + * typically assigned at once) or efficiency (in the case that the array is + * expected to be expanded over time). These lists are designed to be iterated + * over with the help of the FOREACH macro (see later in this file). + * + * The "num" field always counts the number of listType_t elements used in the + * "list" field. When a "size" field exists, it describes how many elements + * are present in the list; when absent, exactly "num" elements are present. + */ + +#define LIST_STATIC(listType_t) \ + struct { int num; listType_t *list; } +#define LIST_DYNAMIC(listType_t) \ + struct { int num, size; listType_t *list; } + +/* + * Now, the definition of what an object actually is. + */ + +typedef struct Object { + struct Foundation *fPtr; /* The basis for the object system. Putting + * this here allows the avoidance of quite a + * lot of hash lookups on the critical path + * for object invokation and creation. */ + Tcl_Namespace *namespacePtr;/* This object's tame namespace. */ + Tcl_Command command; /* Reference to this object's public + * command. */ + Tcl_Command myCommand; /* Reference to this object's internal + * command. */ + struct Class *selfCls; /* This object's class. */ + Tcl_HashTable *methodsPtr; /* Object-local Tcl_Obj (method name) to + * Method* mapping. */ + LIST_STATIC(struct Class *) mixins; + /* Classes mixed into this object. */ + LIST_STATIC(Tcl_Obj *) filters; + /* List of filter names. */ + struct Class *classPtr; /* All classes have this non-NULL; it points + * to the class structure. Everything else has + * this NULL. */ + int refCount; /* Number of strong references to this object. + * Note that there may be many more weak + * references; this mechanism is there to + * avoid Tcl_Preserve. */ + int flags; + int creationEpoch; /* Unique value to make comparisons of objects + * easier. */ + int epoch; /* Per-object epoch, incremented when the way + * an object should resolve call chains is + * changed. */ + Tcl_HashTable *metadataPtr; /* Mapping from pointers to metadata type to + * the ClientData values that are the values + * of each piece of attached metadata. This + * field starts out as NULL and is only + * allocated if metadata is attached. */ + Tcl_Obj *cachedNameObj; /* Cache of the name of the object. */ + Tcl_HashTable *chainCache; /* Place to keep unused contexts. This table + * is indexed by method name as Tcl_Obj. */ + Tcl_ObjectMapMethodNameProc *mapMethodNameProc; + /* Function to allow remapping of method + * names. For itcl-ng. */ + LIST_STATIC(Tcl_Obj *) variables; +} Object; + +#define OBJECT_DELETED 1 /* Flag to say that an object has been + * destroyed. */ +#define DESTRUCTOR_CALLED 2 /* Flag to say that the destructor has been + * called. */ +#define ROOT_OBJECT 0x1000 /* Flag to say that this object is the root of + * the class hierarchy and should be treated + * specially during teardown. */ +#define FILTER_HANDLING 0x2000 /* Flag set when the object is processing a + * filter; when set, filters are *not* + * processed on the object, preventing nasty + * recursive filtering problems. */ +#define USE_CLASS_CACHE 0x4000 /* Flag set to say that the object is a pure + * instance of the class, and has had nothing + * added that changes the dispatch chain (i.e. + * no methods, mixins, or filters. */ +#define ROOT_CLASS 0x8000 /* Flag to say that this object is the root + * class of classes, and should be treated + * specially during teardown (and in a few + * other spots). */ +#define FORCE_UNKNOWN 0x10000 /* States that we are *really* looking up the + * unknown method handler at that point. */ + +/* + * And the definition of a class. Note that every class also has an associated + * object, through which it is manipulated. + */ + +typedef struct Class { + Object *thisPtr; /* Reference to the object associated with + * this class. */ + int refCount; /* Number of strong references to this class. + * Weak references are not counted; the + * purpose of this is to avoid Tcl_Preserve as + * that is quite slow. */ + int flags; /* Assorted flags. */ + LIST_STATIC(struct Class *) superclasses; + /* List of superclasses, used for generation + * of method call chains. */ + LIST_DYNAMIC(struct Class *) subclasses; + /* List of subclasses, used to ensure deletion + * of dependent entities happens properly when + * the class itself is deleted. */ + LIST_DYNAMIC(Object *) instances; + /* List of instances, used to ensure deletion + * of dependent entities happens properly when + * the class itself is deleted. */ + LIST_STATIC(Tcl_Obj *) filters; + /* List of filter names, used for generation + * of method call chains. */ + LIST_STATIC(struct Class *) mixins; + /* List of mixin classes, used for generation + * of method call chains. */ + LIST_DYNAMIC(struct Class *) mixinSubs; + /* List of classes that this class is mixed + * into, used to ensure deletion of dependent + * entities happens properly when the class + * itself is deleted. */ + Tcl_HashTable classMethods; /* Hash table of all methods. Hash maps from + * the (Tcl_Obj*) method name to the (Method*) + * method record. */ + Method *constructorPtr; /* Method record of the class constructor (if + * any). */ + Method *destructorPtr; /* Method record of the class destructor (if + * any). */ + Tcl_HashTable *metadataPtr; /* Mapping from pointers to metadata type to + * the ClientData values that are the values + * of each piece of attached metadata. This + * field starts out as NULL and is only + * allocated if metadata is attached. */ + struct CallChain *constructorChainPtr; + struct CallChain *destructorChainPtr; + Tcl_HashTable *classChainCache; + /* Places where call chains are stored. For + * constructors, the class chain is always + * used. For destructors and ordinary methods, + * the class chain is only used when the + * object doesn't override with its own mixins + * (and filters and method implementations for + * when getting method chains). */ + LIST_STATIC(Tcl_Obj *) variables; +} Class; + +/* + * The foundation of the object system within an interpreter contains + * references to the key classes and namespaces, together with a few other + * useful bits and pieces. Probably ought to eventually go in the Interp + * structure itself. + */ + +typedef struct ThreadLocalData { + int nsCount; /* Master epoch counter is used for keeping + * the values used in Tcl_Obj internal + * representations sane. Must be thread-local + * because Tcl_Objs can cross interpreter + * boundaries within a thread (objects don't + * generally cross threads). */ +} ThreadLocalData; + +typedef struct Foundation { + Tcl_Interp *interp; + Class *objectCls; /* The root of the object system. */ + Class *classCls; /* The class of all classes. */ + Tcl_Namespace *ooNs; /* Master ::oo namespace. */ + Tcl_Namespace *defineNs; /* Namespace containing special commands for + * manipulating objects and classes. The + * "oo::define" command acts as a special kind + * of ensemble for this namespace. */ + Tcl_Namespace *objdefNs; /* Namespace containing special commands for + * manipulating objects and classes. The + * "oo::objdefine" command acts as a special + * kind of ensemble for this namespace. */ + Tcl_Namespace *helpersNs; /* Namespace containing the commands that are + * only valid when executing inside a + * procedural method. */ + int epoch; /* Used to invalidate method chains when the + * class structure changes. */ + ThreadLocalData *tsdPtr; /* Counter so we can allocate a unique + * namespace to each object. */ + Tcl_Obj *unknownMethodNameObj; + /* Shared object containing the name of the + * unknown method handler method. */ + Tcl_Obj *constructorName; /* Shared object containing the "name" of a + * constructor. */ + Tcl_Obj *destructorName; /* Shared object containing the "name" of a + * destructor. */ + Tcl_Obj *clonedName; /* Shared object containing the name of a + * "<cloned>" pseudo-constructor. */ + Tcl_Obj *defineName; /* Fully qualified name of oo::define. */ +} Foundation; + +/* + * A call context structure is built when a method is called. They contain the + * chain of method implementations that are to be invoked by a particular + * call, and the process of calling walks the chain, with the [next] command + * proceeding to the next entry in the chain. + */ + +#define CALL_CHAIN_STATIC_SIZE 4 + +struct MInvoke { + Method *mPtr; /* Reference to the method implementation + * record. */ + int isFilter; /* Whether this is a filter invokation. */ + Class *filterDeclarer; /* What class decided to add the filter; if + * NULL, it was added by the object. */ +}; + +typedef struct CallChain { + int objectCreationEpoch; /* The object's creation epoch. Note that the + * object reference is not stored in the call + * chain; it is in the call context. */ + int objectEpoch; /* Local (object structure) epoch counter + * snapshot. */ + int epoch; /* Global (class structure) epoch counter + * snapshot. */ + int flags; /* Assorted flags, see below. */ + int refCount; /* Reference count. */ + int numChain; /* Size of the call chain. */ + struct MInvoke *chain; /* Array of call chain entries. May point to + * staticChain if the number of entries is + * small. */ + struct MInvoke staticChain[CALL_CHAIN_STATIC_SIZE]; +} CallChain; + +typedef struct CallContext { + Object *oPtr; /* The object associated with this call. */ + int index; /* Index into the call chain of the currently + * executing method implementation. */ + int skip; /* Current number of arguments to skip; can + * vary depending on whether it is a direct + * method call or a continuation via the + * [next] command. */ + CallChain *callPtr; /* The actual call chain. */ +} CallContext; + +/* + * Bits for the 'flags' field of the call chain. + */ + +#define PUBLIC_METHOD 0x01 /* This is a public (exported) method. */ +#define PRIVATE_METHOD 0x02 /* This is a private (class's direct instances + * only) method. */ +#define OO_UNKNOWN_METHOD 0x04 /* This is an unknown method. */ +#define CONSTRUCTOR 0x08 /* This is a constructor. */ +#define DESTRUCTOR 0x10 /* This is a destructor. */ + +/* + * Structure containing definition information about basic class methods. + */ + +typedef struct { + const char *name; /* Name of the method in question. */ + int isPublic; /* Whether the method is public by default. */ + Tcl_MethodType definition; /* How to call the method. */ +} DeclaredClassMethod; + +/* + *---------------------------------------------------------------- + * Commands relating to OO support. + *---------------------------------------------------------------- + */ + +MODULE_SCOPE int TclOOInit(Tcl_Interp *interp); +MODULE_SCOPE int TclOODefineObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const *objv); +MODULE_SCOPE int TclOOObjDefObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const *objv); +MODULE_SCOPE int TclOODefineConstructorObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const *objv); +MODULE_SCOPE int TclOODefineDeleteMethodObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const *objv); +MODULE_SCOPE int TclOODefineDestructorObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const *objv); +MODULE_SCOPE int TclOODefineExportObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const *objv); +MODULE_SCOPE int TclOODefineForwardObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const *objv); +MODULE_SCOPE int TclOODefineMethodObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const *objv); +MODULE_SCOPE int TclOODefineRenameMethodObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const *objv); +MODULE_SCOPE int TclOODefineUnexportObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const *objv); +MODULE_SCOPE int TclOODefineClassObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const *objv); +MODULE_SCOPE int TclOODefineSelfObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const *objv); +MODULE_SCOPE int TclOOUnknownDefinition(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const *objv); +MODULE_SCOPE int TclOOCopyObjectCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const *objv); +MODULE_SCOPE int TclOONextObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const *objv); +MODULE_SCOPE int TclOONextToObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const *objv); +MODULE_SCOPE int TclOOSelfObjCmd(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const *objv); + +/* + * Method implementations (in tclOOBasic.c). + */ + +MODULE_SCOPE int TclOO_Class_Constructor(ClientData clientData, + Tcl_Interp *interp, Tcl_ObjectContext context, + int objc, Tcl_Obj *const *objv); +MODULE_SCOPE int TclOO_Class_Create(ClientData clientData, + Tcl_Interp *interp, Tcl_ObjectContext context, + int objc, Tcl_Obj *const *objv); +MODULE_SCOPE int TclOO_Class_CreateNs(ClientData clientData, + Tcl_Interp *interp, Tcl_ObjectContext context, + int objc, Tcl_Obj *const *objv); +MODULE_SCOPE int TclOO_Class_New(ClientData clientData, + Tcl_Interp *interp, Tcl_ObjectContext context, + int objc, Tcl_Obj *const *objv); +MODULE_SCOPE int TclOO_Object_Destroy(ClientData clientData, + Tcl_Interp *interp, Tcl_ObjectContext context, + int objc, Tcl_Obj *const *objv); +MODULE_SCOPE int TclOO_Object_Eval(ClientData clientData, + Tcl_Interp *interp, Tcl_ObjectContext context, + int objc, Tcl_Obj *const *objv); +MODULE_SCOPE int TclOO_Object_LinkVar(ClientData clientData, + Tcl_Interp *interp, Tcl_ObjectContext context, + int objc, Tcl_Obj *const *objv); +MODULE_SCOPE int TclOO_Object_Unknown(ClientData clientData, + Tcl_Interp *interp, Tcl_ObjectContext context, + int objc, Tcl_Obj *const *objv); +MODULE_SCOPE int TclOO_Object_VarName(ClientData clientData, + Tcl_Interp *interp, Tcl_ObjectContext context, + int objc, Tcl_Obj *const *objv); + +/* + * Private definitions, some of which perhaps ought to be exposed properly or + * maybe just put in the internal stubs table. + */ + +MODULE_SCOPE void TclOOAddToInstances(Object *oPtr, Class *clsPtr); +MODULE_SCOPE void TclOOAddToMixinSubs(Class *subPtr, Class *mixinPtr); +MODULE_SCOPE void TclOOAddToSubclasses(Class *subPtr, Class *superPtr); +MODULE_SCOPE int TclNRNewObjectInstance(Tcl_Interp *interp, + Tcl_Class cls, const char *nameStr, + const char *nsNameStr, int objc, + Tcl_Obj *const *objv, int skip, + Tcl_Object *objectPtr); +MODULE_SCOPE int TclOODefineSlots(Foundation *fPtr); +MODULE_SCOPE void TclOODeleteChain(CallChain *callPtr); +MODULE_SCOPE void TclOODeleteChainCache(Tcl_HashTable *tablePtr); +MODULE_SCOPE void TclOODeleteContext(CallContext *contextPtr); +MODULE_SCOPE void TclOODelMethodRef(Method *method); +MODULE_SCOPE CallContext *TclOOGetCallContext(Object *oPtr, + Tcl_Obj *methodNameObj, int flags, + Tcl_Obj *cacheInThisObj); +MODULE_SCOPE CallChain *TclOOGetStereotypeCallChain(Class *clsPtr, + Tcl_Obj *methodNameObj, int flags); +MODULE_SCOPE Foundation *TclOOGetFoundation(Tcl_Interp *interp); +MODULE_SCOPE Tcl_Obj * TclOOGetFwdFromMethod(Method *mPtr); +MODULE_SCOPE Proc * TclOOGetProcFromMethod(Method *mPtr); +MODULE_SCOPE Tcl_Obj * TclOOGetMethodBody(Method *mPtr); +MODULE_SCOPE int TclOOGetSortedClassMethodList(Class *clsPtr, + int flags, const char ***stringsPtr); +MODULE_SCOPE int TclOOGetSortedMethodList(Object *oPtr, int flags, + const char ***stringsPtr); +MODULE_SCOPE int TclOOInit(Tcl_Interp *interp); +MODULE_SCOPE void TclOOInitInfo(Tcl_Interp *interp); +MODULE_SCOPE int TclOOInvokeContext(ClientData clientData, + Tcl_Interp *interp, int objc, + Tcl_Obj *const objv[]); +MODULE_SCOPE int TclNRObjectContextInvokeNext(Tcl_Interp *interp, + Tcl_ObjectContext context, int objc, + Tcl_Obj *const *objv, int skip); +MODULE_SCOPE void TclOONewBasicMethod(Tcl_Interp *interp, Class *clsPtr, + const DeclaredClassMethod *dcm); +MODULE_SCOPE Tcl_Obj * TclOOObjectName(Tcl_Interp *interp, Object *oPtr); +MODULE_SCOPE void TclOORemoveFromInstances(Object *oPtr, Class *clsPtr); +MODULE_SCOPE void TclOORemoveFromMixinSubs(Class *subPtr, + Class *mixinPtr); +MODULE_SCOPE void TclOORemoveFromSubclasses(Class *subPtr, + Class *superPtr); +MODULE_SCOPE Tcl_Obj * TclOORenderCallChain(Tcl_Interp *interp, + CallChain *callPtr); +MODULE_SCOPE void TclOOStashContext(Tcl_Obj *objPtr, + CallContext *contextPtr); +MODULE_SCOPE void TclOOSetupVariableResolver(Tcl_Namespace *nsPtr); + +/* + * Include all the private API, generated from tclOO.decls. + */ + +#include "tclOOIntDecls.h" + +/* + * A convenience macro for iterating through the lists used in the internal + * memory management of objects. This is a bit gnarly because we want to do + * the assignment of the picked-out value only when the body test succeeds, + * but we cannot rely on the assigned value being useful, forcing us to do + * some nasty stuff with the comma operator. The compiler's optimizer should + * be able to sort it all out! + * + * REQUIRES DECLARATION: int i; + */ + +#define FOREACH(var,ary) \ + for(i=0 ; (i<(ary).num?((var=(ary).list[i]),1):0) ; i++) + +/* + * Convenience macros for iterating through hash tables. FOREACH_HASH_DECLS + * sets up the declarations needed for the main macro, FOREACH_HASH, which + * does the actual iteration. FOREACH_HASH_VALUE is a restricted version that + * only iterates over values. + */ + +#define FOREACH_HASH_DECLS \ + Tcl_HashEntry *hPtr;Tcl_HashSearch search +#define FOREACH_HASH(key,val,tablePtr) \ + for(hPtr=Tcl_FirstHashEntry((tablePtr),&search); hPtr!=NULL ? \ + ((key)=(void *)Tcl_GetHashKey((tablePtr),hPtr),\ + (val)=Tcl_GetHashValue(hPtr),1):0; hPtr=Tcl_NextHashEntry(&search)) +#define FOREACH_HASH_VALUE(val,tablePtr) \ + for(hPtr=Tcl_FirstHashEntry((tablePtr),&search); hPtr!=NULL ? \ + ((val)=Tcl_GetHashValue(hPtr),1):0;hPtr=Tcl_NextHashEntry(&search)) + +/* + * Convenience macro for duplicating a list. Needs no external declaration, + * but all arguments are used multiple times and so must have no side effects. + */ + +#undef DUPLICATE /* prevent possible conflict with definition in WINAPI nb30.h */ +#define DUPLICATE(target,source,type) \ + do { \ + register unsigned len = sizeof(type) * ((target).num=(source).num);\ + if (len != 0) { \ + memcpy(((target).list=(type*)ckalloc(len)), (source).list, len); \ + } else { \ + (target).list = NULL; \ + } \ + } while(0) + +/* + * Alternatives to Tcl_Preserve/Tcl_EventuallyFree/Tcl_Release. + */ + +#define AddRef(ptr) ((ptr)->refCount++) +#define DelRef(ptr) do { \ + if (--(ptr)->refCount < 1) { \ + ckfree((char *) (ptr)); \ + } \ + } while(0) + +#endif /* TCL_OO_INTERNAL_H */ + +/* + * Local Variables: + * mode: c + * c-basic-offset: 4 + * fill-column: 78 + * End: + */ |