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-rw-r--r--generic/tclBasic.c2
-rw-r--r--generic/tclOO.c619
-rw-r--r--generic/tclOOBasic.c5
-rw-r--r--generic/tclOOCall.c4
-rw-r--r--generic/tclOODefineCmds.c64
-rw-r--r--generic/tclOOInt.h46
-rw-r--r--tests/oo.test10
7 files changed, 327 insertions, 423 deletions
diff --git a/generic/tclBasic.c b/generic/tclBasic.c
index 5000821..7b9db33 100644
--- a/generic/tclBasic.c
+++ b/generic/tclBasic.c
@@ -3136,6 +3136,8 @@ Tcl_DeleteCommandFromToken(
*/
cmdPtr->nsPtr->refCount++;
+
+ cmdPtr->nsPtr->refCount++;
if (cmdPtr->tracePtr != NULL) {
CommandTrace *tracePtr;
CallCommandTraces(iPtr,cmdPtr,NULL,NULL,TCL_TRACE_DELETE);
diff --git a/generic/tclOO.c b/generic/tclOO.c
index 87ed649..4fab5d5 100644
--- a/generic/tclOO.c
+++ b/generic/tclOO.c
@@ -59,8 +59,6 @@ static const struct {
static Class * AllocClass(Tcl_Interp *interp, Object *useThisObj);
static Object * AllocObject(Tcl_Interp *interp, const char *nameStr,
Namespace *nsPtr, const char *nsNameStr);
-static void ClearMixins(Class *clsPtr);
-static void ClearSuperclasses(Class *clsPtr);
static int CloneClassMethod(Tcl_Interp *interp, Class *clsPtr,
Method *mPtr, Tcl_Obj *namePtr,
Method **newMPtrPtr);
@@ -72,6 +70,7 @@ static void DeletedHelpersNamespace(ClientData clientData);
static Tcl_NRPostProc FinalizeAlloc;
static Tcl_NRPostProc FinalizeNext;
static Tcl_NRPostProc FinalizeObjectCall;
+static void initClassPath(Tcl_Interp * interp, Class *clsPtr);
static int InitFoundation(Tcl_Interp *interp);
static void KillFoundation(ClientData clientData,
Tcl_Interp *interp);
@@ -81,6 +80,7 @@ static void ObjectRenamedTrace(ClientData clientData,
Tcl_Interp *interp, const char *oldName,
const char *newName, int flags);
static void ReleaseClassContents(Tcl_Interp *interp,Object *oPtr);
+static void DeleteDescendants(Tcl_Interp *interp,Object *oPtr);
static inline void SquelchCachedName(Object *oPtr);
static int PublicObjectCmd(ClientData clientData,
@@ -95,6 +95,8 @@ static int PrivateObjectCmd(ClientData clientData,
static int PrivateNRObjectCmd(ClientData clientData,
Tcl_Interp *interp, int objc,
Tcl_Obj *const *objv);
+static void RemoveClass(Class ** list, int num, int idx);
+static void RemoveObject(Object ** list, int num, int idx);
/*
* Methods in the oo::object and oo::class classes. First, we define a helper
@@ -227,10 +229,14 @@ MODULE_SCOPE const TclOOStubs tclOOStubs;
* ROOT_CLASS respectively.
*/
-#define Deleted(oPtr) (((Object *)(oPtr))->command == NULL)
+#define Deleted(oPtr) ((oPtr)->flags & OBJECT_DELETED)
#define IsRootObject(ocPtr) ((ocPtr)->flags & ROOT_OBJECT)
#define IsRootClass(ocPtr) ((ocPtr)->flags & ROOT_CLASS)
#define IsRoot(ocPtr) ((ocPtr)->flags & (ROOT_OBJECT|ROOT_CLASS))
+
+#define RemoveItem(type, lst, i) \
+ Remove ## type ((lst).list, (lst).num, i); \
+ (lst).num--
/*
* ----------------------------------------------------------------------
@@ -312,6 +318,10 @@ InitFoundation(
Tcl_GetThreadData(&tsdKey, sizeof(ThreadLocalData));
Foundation *fPtr = ckalloc(sizeof(Foundation));
Tcl_Obj *namePtr, *argsPtr, *bodyPtr;
+
+ Class fakeCls;
+ Object fakeObject;
+
Tcl_DString buffer;
Command *cmdPtr;
int i;
@@ -378,24 +388,43 @@ InitFoundation(
* spliced manually.
*/
+ /* Stand up a phony class for bootstrapping. */
+ fPtr->objectCls = &fakeCls;
+ /* referenced in AllocClass to increment the refCount. */
+ fakeCls.thisPtr = &fakeObject;
+
fPtr->objectCls = AllocClass(interp,
AllocObject(interp, "object", (Namespace *)fPtr->ooNs, NULL));
fPtr->classCls = AllocClass(interp,
AllocObject(interp, "class", (Namespace *)fPtr->ooNs, NULL));
+
+ /* Rewire bootstrapped objects. */
fPtr->objectCls->thisPtr->selfCls = fPtr->classCls;
+ fPtr->classCls->thisPtr->selfCls = fPtr->classCls;
+
+ AddRef(fPtr->objectCls->thisPtr);
+ AddRef(fPtr->classCls->thisPtr);
+ AddRef(fPtr->classCls->thisPtr->selfCls->thisPtr);
+ AddRef(fPtr->objectCls->thisPtr->selfCls->thisPtr);
+
+ /* special initialization for the primordial objects */
fPtr->objectCls->thisPtr->flags |= ROOT_OBJECT;
fPtr->objectCls->flags |= ROOT_OBJECT;
+
+ /* This is why it is unnecessary in this routine to make up for the
+ * incremented reference count of fPtr->objectCls that was sallwed by
+ * fakeObject. */
fPtr->objectCls->superclasses.num = 0;
ckfree(fPtr->objectCls->superclasses.list);
fPtr->objectCls->superclasses.list = NULL;
- fPtr->classCls->thisPtr->selfCls = fPtr->classCls;
+
fPtr->classCls->thisPtr->flags |= ROOT_CLASS;
fPtr->classCls->flags |= ROOT_CLASS;
+
+ /* Standard initialization for new Objects */
TclOOAddToInstances(fPtr->objectCls->thisPtr, fPtr->classCls);
TclOOAddToInstances(fPtr->classCls->thisPtr, fPtr->classCls);
TclOOAddToSubclasses(fPtr->classCls, fPtr->objectCls);
- AddRef(fPtr->objectCls->thisPtr);
- AddRef(fPtr->objectCls);
/*
* Basic method declarations for the core classes.
@@ -521,8 +550,6 @@ KillFoundation(
{
Foundation *fPtr = GetFoundation(interp);
- DelRef(fPtr->objectCls->thisPtr);
- DelRef(fPtr->objectCls);
TclDecrRefCount(fPtr->unknownMethodNameObj);
TclDecrRefCount(fPtr->constructorName);
TclDecrRefCount(fPtr->destructorName);
@@ -537,8 +564,11 @@ KillFoundation(
* AllocObject --
*
* Allocate an object of basic type. Does not splice the object into its
- * class's instance list. The caller must set the classPtr on the object,
- * either to a class or to NULL.
+ * class's instance list. The caller must set the classPtr on the object
+ * to either a class or NULL, call TclOOAddToInstances to add the object
+ * to the class's instance list, and if the object itself is a class, use
+ * call TclOOAddToSubclasses() to add it to the right class's list of
+ * subclasses.
*
* ----------------------------------------------------------------------
*/
@@ -563,7 +593,7 @@ AllocObject(
Object *oPtr;
Command *cmdPtr;
CommandTrace *tracePtr;
- int creationEpoch, ignored;
+ int creationEpoch;
oPtr = ckalloc(sizeof(Object));
memset(oPtr, 0, sizeof(Object));
@@ -640,9 +670,15 @@ AllocObject(
*/
oPtr->fPtr = fPtr;
- oPtr->selfCls = fPtr->objectCls;
oPtr->creationEpoch = creationEpoch;
- oPtr->refCount = 1;
+
+ /*
+ * An object starts life with a refCount of 2 to mark the two stages of
+ * destruction it occur: A call to ObjectRenamedTrace(), and a call to
+ * ObjectNamespaceDeleted().
+ */
+ oPtr->refCount = 2;
+
oPtr->flags = USE_CLASS_CACHE;
/*
@@ -654,6 +690,10 @@ AllocObject(
if (!nameStr) {
nameStr = oPtr->namespacePtr->name;
nsPtr = (Namespace *)oPtr->namespacePtr;
+ if (nsPtr->parentPtr != NULL) {
+ nsPtr = nsPtr->parentPtr;
+ }
+
}
oPtr->command = TclCreateObjCommandInNs(interp, nameStr,
(Tcl_Namespace *)nsPtr, PublicObjectCmd, oPtr, NULL);
@@ -672,26 +712,8 @@ AllocObject(
tracePtr->nextPtr = NULL;
tracePtr->refCount = 1;
- /*
- * Access the namespace command table directly when creating "my" to avoid
- * a bottleneck in string manipulation. Another abstraction-buster.
- */
-
- cmdPtr = ckalloc(sizeof(Command));
- memset(cmdPtr, 0, sizeof(Command));
- cmdPtr->nsPtr = (Namespace *) oPtr->namespacePtr;
- cmdPtr->hPtr = Tcl_CreateHashEntry(&cmdPtr->nsPtr->cmdTable, "my",
- &ignored);
- cmdPtr->refCount = 1;
- cmdPtr->objProc = PrivateObjectCmd;
- cmdPtr->deleteProc = MyDeleted;
- cmdPtr->objClientData = cmdPtr->deleteData = oPtr;
- cmdPtr->proc = TclInvokeObjectCommand;
- cmdPtr->clientData = cmdPtr;
- cmdPtr->nreProc = PrivateNRObjectCmd;
- Tcl_SetHashValue(cmdPtr->hPtr, cmdPtr);
- oPtr->myCommand = (Tcl_Command) cmdPtr;
-
+ oPtr->myCommand = TclNRCreateCommandInNs(interp, "my", oPtr->namespacePtr,
+ PrivateObjectCmd, PrivateNRObjectCmd, oPtr, MyDeleted);
return oPtr;
}
@@ -773,88 +795,20 @@ ObjectRenamedTrace(
/*
* The namespace is only deleted if it hasn't already been deleted. [Bug
- * 2950259]. If the namespace has already been deleted, then
- * ObjectNamespaceDeleted() has already cleaned up this command.
+ * 2950259].
*/
- if (oPtr->namespacePtr == NULL) {
- /*
- * ObjectNamespaceDeleted() has already done all the cleanup, but
- * detected that the command was in the process of being deleted, and
- * left the pointer allocated for us.
- */
- DelRef(oPtr);
- } else {
- if (((Namespace *) oPtr->namespacePtr)->earlyDeleteProc == NULL) {
- /*
- * ObjectNamespaceDeleted() called us, and still has some work to
- * do, so we leave the pointer allocated for it to finish, and then
- * it will deallocate the pointer.
- */
- } else {
- Tcl_DeleteNamespace(oPtr->namespacePtr);
- /*
- * ObjectNamespaceDeleted() doesn't know it was us that just
- * called, so it left the pointer allocated.
- */
- DelRef(oPtr);
- }
+ if (!Deleted(oPtr)) {
+ Tcl_DeleteNamespace(oPtr->namespacePtr);
}
+ oPtr->command = NULL;
+ TclOODecrRefCount(oPtr);
return;
}
/*
* ----------------------------------------------------------------------
*
- * ClearMixins, ClearSuperclasses --
- *
- * Utility functions for correctly clearing the list of mixins or
- * superclasses of a class. Will ckfree() the list storage.
- *
- * ----------------------------------------------------------------------
- */
-
-static void
-ClearMixins(
- Class *clsPtr)
-{
- int i;
- Class *mixinPtr;
-
- if (clsPtr->mixins.num == 0) {
- return;
- }
-
- FOREACH(mixinPtr, clsPtr->mixins) {
- TclOORemoveFromMixinSubs(clsPtr, mixinPtr);
- }
- ckfree(clsPtr->mixins.list);
- clsPtr->mixins.list = NULL;
- clsPtr->mixins.num = 0;
-}
-
-static void
-ClearSuperclasses(
- Class *clsPtr)
-{
- int i;
- Class *superPtr;
-
- if (clsPtr->superclasses.num == 0) {
- return;
- }
-
- FOREACH(superPtr, clsPtr->superclasses) {
- TclOORemoveFromSubclasses(clsPtr, superPtr);
- }
- ckfree(clsPtr->superclasses.list);
- clsPtr->superclasses.list = NULL;
- clsPtr->superclasses.num = 0;
-}
-
-/*
- * ----------------------------------------------------------------------
- *
* ReleaseClassContents --
*
* Tear down the special class data structure, including deleting all
@@ -864,122 +818,39 @@ ClearSuperclasses(
*/
static void
-ReleaseClassContents(
+DeleteDescendants(
Tcl_Interp *interp, /* The interpreter containing the class. */
Object *oPtr) /* The object representing the class. */
{
- FOREACH_HASH_DECLS;
- int i;
- Class *clsPtr = oPtr->classPtr, *mixinSubclassPtr, *subclassPtr;
+ Class *clsPtr = oPtr->classPtr, *subclassPtr, *mixinSubclassPtr;
Object *instancePtr;
- Method *mPtr;
- Foundation *fPtr = oPtr->fPtr;
- Tcl_Obj *variableObj;
-
- /*
- * Sanity check!
- */
-
- if (!Deleted(oPtr)) {
- if (IsRootClass(oPtr)) {
- Tcl_Panic("deleting class structure for non-deleted %s",
- "::oo::class");
- } else if (IsRootObject(oPtr)) {
- Tcl_Panic("deleting class structure for non-deleted %s",
- "::oo::object");
- } else {
- Tcl_Panic("deleting class structure for non-deleted %s",
- "general object");
- }
- }
-
- /*
- * Lock a number of dependent objects until we've stopped putting our
- * fingers in them.
- */
-
- FOREACH(mixinSubclassPtr, clsPtr->mixinSubs) {
- if (mixinSubclassPtr != NULL) {
- AddRef(mixinSubclassPtr);
- AddRef(mixinSubclassPtr->thisPtr);
- }
- }
- FOREACH(subclassPtr, clsPtr->subclasses) {
- if (subclassPtr != NULL && !IsRoot(subclassPtr)) {
- AddRef(subclassPtr);
- AddRef(subclassPtr->thisPtr);
- }
- }
- if (!IsRootClass(oPtr)) {
- FOREACH(instancePtr, clsPtr->instances) {
- if (instancePtr != oPtr) {
- int j;
- if (instancePtr->selfCls == clsPtr) {
- instancePtr->flags |= CLASS_GONE;
- }
- for(j=0 ; j<instancePtr->mixins.num ; j++) {
- Class *mixin = instancePtr->mixins.list[j];
- Class *nextMixin = NULL;
- if (mixin == clsPtr) {
- if (j < instancePtr->mixins.num - 1) {
- nextMixin = instancePtr->mixins.list[j+1];
- }
- if (j == 0) {
- instancePtr->mixins.num = 0;
- instancePtr->mixins.list = NULL;
- } else {
- instancePtr->mixins.list[j-1] = nextMixin;
- }
- instancePtr->mixins.num -= 1;
- }
- }
- if (instancePtr != NULL && !IsRoot(instancePtr)) {
- AddRef(instancePtr);
- }
- }
- }
- }
+ int i;
/*
* Squelch classes that this class has been mixed into.
*/
FOREACH(mixinSubclassPtr, clsPtr->mixinSubs) {
- if (mixinSubclassPtr != clsPtr) {
- if (!Deleted(mixinSubclassPtr->thisPtr)) {
- Tcl_DeleteCommandFromToken(interp,
- mixinSubclassPtr->thisPtr->command);
- }
- ClearMixins(mixinSubclassPtr);
- DelRef(mixinSubclassPtr->thisPtr);
- DelRef(mixinSubclassPtr);
+ /* This condition also covers the case where mixinSubclassPtr ==
+ * clsPtr
+ */
+ if (!Deleted(mixinSubclassPtr->thisPtr)) {
+ Tcl_DeleteCommandFromToken(interp,
+ mixinSubclassPtr->thisPtr->command);
}
+ i -= TclOORemoveFromMixinSubs(mixinSubclassPtr, clsPtr);
+ TclOODecrRefCount(mixinSubclassPtr->thisPtr);
}
- if (clsPtr->mixinSubs.list != NULL) {
- ckfree(clsPtr->mixinSubs.list);
- clsPtr->mixinSubs.list = NULL;
- clsPtr->mixinSubs.num = 0;
- }
-
/*
* Squelch subclasses of this class.
*/
FOREACH(subclassPtr, clsPtr->subclasses) {
- if (IsRoot(subclassPtr)) {
- continue;
- }
- if (!Deleted(subclassPtr->thisPtr)) {
+ if (!Deleted(subclassPtr->thisPtr) && !IsRoot(subclassPtr)) {
Tcl_DeleteCommandFromToken(interp, subclassPtr->thisPtr->command);
}
- ClearSuperclasses(subclassPtr);
- DelRef(subclassPtr->thisPtr);
- DelRef(subclassPtr);
- }
- if (clsPtr->subclasses.list != NULL) {
- ckfree(clsPtr->subclasses.list);
- clsPtr->subclasses.list = NULL;
- clsPtr->subclasses.num = 0;
+ i -= TclOORemoveFromSubclasses(subclassPtr, clsPtr);
+ TclOODecrRefCount(subclassPtr->thisPtr);
}
/*
@@ -988,35 +859,43 @@ ReleaseClassContents(
if (!IsRootClass(oPtr)) {
FOREACH(instancePtr, clsPtr->instances) {
- if (instancePtr != oPtr) {
- if (instancePtr == NULL || IsRoot(instancePtr)) {
- continue;
- }
- if (!Deleted(instancePtr)) {
- Tcl_DeleteCommandFromToken(interp, instancePtr->command);
- /*
- * Tcl_DeleteCommandFromToken() may have done to whole
- * job for us. Roll back and check again.
- */
- i--;
- continue;
- }
- DelRef(instancePtr);
+ /* This condition also covers the case where instancePtr == oPtr */
+ if (!Deleted(instancePtr) && !IsRoot(instancePtr)) {
+ Tcl_DeleteCommandFromToken(interp, instancePtr->command);
}
+ i -= TclOORemoveFromInstances(instancePtr, clsPtr);
}
}
- if (clsPtr->instances.list != NULL) {
- ckfree(clsPtr->instances.list);
- clsPtr->instances.list = NULL;
- clsPtr->instances.num = 0;
- }
+}
+
+
+static void
+ReleaseClassContents(
+ Tcl_Interp *interp, /* The interpreter containing the class. */
+ Object *oPtr) /* The object representing the class. */
+{
+ FOREACH_HASH_DECLS;
+ int i;
+ Class *clsPtr = oPtr->classPtr, *tmpClsPtr;
+ Method *mPtr;
+ Foundation *fPtr = oPtr->fPtr;
+ Tcl_Obj *variableObj;
/*
- * Special: We delete these after everything else.
+ * Sanity check!
*/
- if (IsRootClass(oPtr) && !Deleted(fPtr->objectCls->thisPtr)) {
- Tcl_DeleteCommandFromToken(interp, fPtr->objectCls->thisPtr->command);
+ if (!Deleted(oPtr)) {
+ if (IsRootClass(oPtr)) {
+ Tcl_Panic("deleting class structure for non-deleted %s",
+ "::oo::class");
+ } else if (IsRootObject(oPtr)) {
+ Tcl_Panic("deleting class structure for non-deleted %s",
+ "::oo::object");
+ } else {
+ Tcl_Panic("deleting class structure for non-deleted %s",
+ "general object");
+ }
}
/*
@@ -1072,8 +951,12 @@ ReleaseClassContents(
clsPtr->metadataPtr = NULL;
}
- ClearMixins(clsPtr);
- ClearSuperclasses(clsPtr);
+ FOREACH(tmpClsPtr, clsPtr->mixins) {
+ TclOORemoveFromMixinSubs(clsPtr, tmpClsPtr);
+ }
+ FOREACH(tmpClsPtr, clsPtr->superclasses) {
+ TclOORemoveFromSubclasses(clsPtr, tmpClsPtr);
+ }
FOREACH_HASH_VALUE(mPtr, &clsPtr->classMethods) {
TclOODelMethodRef(mPtr);
@@ -1089,12 +972,9 @@ ReleaseClassContents(
ckfree(clsPtr->variables.list);
}
- /* Tell oPtr that it's class is gone so that it doesn't try to remove
- * itself from it's classe's list of instances
- */
- oPtr->flags |= CLASS_GONE;
- DelRef(clsPtr);
-
+ if (IsRootClass(oPtr) && !Deleted(fPtr->objectCls->thisPtr)) {
+ Tcl_DeleteCommandFromToken(interp, fPtr->objectCls->thisPtr->command);
+ }
}
/*
@@ -1122,13 +1002,26 @@ ObjectNamespaceDeleted(
Method *mPtr;
Tcl_Obj *filterObj, *variableObj;
Tcl_Interp *interp = oPtr->fPtr->interp;
- int finished = 0, i;
+ int i;
+ if (Deleted(oPtr)) {
+ /* To do: Can ObjectNamespaceDeleted ever be called twice? If not,
+ * this guard could be removed.
+ */
+ return;
+ }
- AddRef(fPtr->classCls);
- AddRef(fPtr->objectCls);
- AddRef(fPtr->classCls->thisPtr);
- AddRef(fPtr->objectCls->thisPtr);
+ /*
+ * One rule for the teardown routines is that if an object is in the
+ * process of being deleted, nothing else may modify its bookeeping
+ * records. This is the flag that
+ */
+ oPtr->flags |= OBJECT_DELETED;
+
+ /* Let the dominoes fall */
+ if (oPtr->classPtr) {
+ DeleteDescendants(interp, oPtr);
+ }
/*
* We do not run destructors on the core class objects when the
@@ -1136,15 +1029,14 @@ ObjectNamespaceDeleted(
* in that case when the destructor is partially deleted before the uses
* of it have gone. [Bug 2949397]
*/
-
- if (!(oPtr->flags & DESTRUCTOR_CALLED) && !Tcl_InterpDeleted(interp)) {
+ if (!Tcl_InterpDeleted(interp) && !(oPtr->flags & DESTRUCTOR_CALLED)) {
CallContext *contextPtr =
TclOOGetCallContext(oPtr, NULL, DESTRUCTOR, NULL);
int result;
Tcl_InterpState state;
-
oPtr->flags |= DESTRUCTOR_CALLED;
+
if (contextPtr != NULL) {
contextPtr->callPtr->flags |= DESTRUCTOR;
contextPtr->skip = 0;
@@ -1166,7 +1058,7 @@ ObjectNamespaceDeleted(
* points into freed memory.
*/
- if ((((Command *)oPtr->command)->flags && CMD_IS_DELETED)) {
+ if (((Command *)oPtr->command)->flags && CMD_IS_DELETED) {
/*
* Something has already started the command deletion process. We can
* go ahead and clean up the the namespace,
@@ -1177,9 +1069,7 @@ ObjectNamespaceDeleted(
* as well.
*/
Tcl_DeleteCommandFromToken(oPtr->fPtr->interp, oPtr->command);
- finished = 1;
}
- oPtr->command = NULL;
if (oPtr->myCommand) {
Tcl_DeleteCommandFromToken(oPtr->fPtr->interp, oPtr->myCommand);
@@ -1190,14 +1080,13 @@ ObjectNamespaceDeleted(
* methods on the object.
*/
- if (!IsRootObject(oPtr) && !(oPtr->flags & CLASS_GONE)) {
- TclOORemoveFromInstances(oPtr, oPtr->selfCls);
- }
+ /* To do: Get dkf to weigh in on wether this should be protected with a
+ * !IsRoot() condition.
+ */
+ TclOORemoveFromInstances(oPtr, oPtr->selfCls);
FOREACH(mixinPtr, oPtr->mixins) {
- if (mixinPtr && mixinPtr != oPtr->classPtr) {
- TclOORemoveFromInstances(oPtr, mixinPtr);
- }
+ i -= TclOORemoveFromInstances(oPtr, mixinPtr);
}
if (i) {
ckfree(oPtr->mixins.list);
@@ -1257,8 +1146,9 @@ ObjectNamespaceDeleted(
* classes, if one goes the other must too and yet the tangle can
* sometimes not go away automatically; we force it here. [Bug 2962664]
*/
- if (!Tcl_InterpDeleted(interp) && IsRootObject(oPtr)
- && !Deleted(fPtr->classCls->thisPtr)) {
+ if (IsRootObject(oPtr) && !Deleted(fPtr->classCls->thisPtr)
+ && !Tcl_InterpDeleted(interp)) {
+
Tcl_DeleteCommandFromToken(interp, fPtr->classCls->thisPtr->command);
}
@@ -1266,35 +1156,59 @@ ObjectNamespaceDeleted(
ReleaseClassContents(interp, oPtr);
}
-
/*
* Delete the object structure itself.
*/
- oPtr->classPtr = NULL;
oPtr->namespacePtr = NULL;
-
- DelRef(fPtr->classCls->thisPtr);
- DelRef(fPtr->objectCls->thisPtr);
- DelRef(fPtr->classCls);
- DelRef(fPtr->objectCls);
- if (finished) {
- /*
- * ObjectRenamedTrace called us, and not the other way around.
- */
- DelRef(oPtr);
- } else {
- /*
- * ObjectRenamedTrace will call DelRef(oPtr).
- */
- }
+ oPtr->selfCls = NULL;
+ TclOODecrRefCount(oPtr);
return;
-
}
/*
* ----------------------------------------------------------------------
*
+ * TclOODecrRef --
+ *
+ * Decrement the refcount of an object and deallocate storage then object
+ * is no longer referenced. Returns 1 if storage was deallocated, and 0
+ * otherwise.
+ *
+ * ----------------------------------------------------------------------
+ */
+int TclOODecrRefCount(Object *oPtr) {
+ if (oPtr->refCount-- <= 1) {
+ Class *clsPtr = oPtr->classPtr;
+ if (oPtr->classPtr != NULL) {
+ ckfree(clsPtr->superclasses.list);
+ ckfree(clsPtr->subclasses.list);
+ ckfree(clsPtr->instances.list);
+ ckfree(clsPtr->mixinSubs.list);
+ ckfree(clsPtr->mixins.list);
+ ckfree(oPtr->classPtr);
+ }
+ ckfree(oPtr);
+ return 1;
+ }
+ return 0;
+}
+
+/* setting the "empty" location to NULL makes debugging a little easier */
+#define REMOVEBODY { \
+ for (; idx < num - 1; idx++) { \
+ list[idx] = list[idx+1]; \
+ } \
+ list[idx] = NULL; \
+ return; \
+}
+void RemoveClass(Class **list, int num, int idx) REMOVEBODY
+
+void RemoveObject(Object **list, int num, int idx) REMOVEBODY
+
+/*
+ * ----------------------------------------------------------------------
+ *
* TclOORemoveFromInstances --
*
* Utility function to remove an object from the list of instances within
@@ -1303,36 +1217,27 @@ ObjectNamespaceDeleted(
* ----------------------------------------------------------------------
*/
-void
+int
TclOORemoveFromInstances(
Object *oPtr, /* The instance to remove. */
Class *clsPtr) /* The class (possibly) containing the
* reference to the instance. */
{
- int i;
+ int i, res = 0;
Object *instPtr;
+ if (Deleted(clsPtr->thisPtr)) {
+ return res;
+ }
FOREACH(instPtr, clsPtr->instances) {
if (oPtr == instPtr) {
- goto removeInstance;
- }
- }
- return;
-
- removeInstance:
- if (Deleted(clsPtr->thisPtr)) {
- if (!IsRootClass(clsPtr)) {
- DelRef(clsPtr->instances.list[i]);
- }
- clsPtr->instances.list[i] = NULL;
- } else {
- clsPtr->instances.num--;
- if (i < clsPtr->instances.num) {
- clsPtr->instances.list[i] =
- clsPtr->instances.list[clsPtr->instances.num];
+ RemoveItem(Object, clsPtr->instances, i);
+ TclOODecrRefCount(oPtr);
+ res++;
+ break;
}
- clsPtr->instances.list[clsPtr->instances.num] = NULL;
}
+ return res;
}
/*
@@ -1353,9 +1258,6 @@ TclOOAddToInstances(
* assumed that the class is not already
* present as an instance in the class. */
{
- if (Deleted(clsPtr->thisPtr)) {
- return;
- }
if (clsPtr->instances.num >= clsPtr->instances.size) {
clsPtr->instances.size += ALLOC_CHUNK;
if (clsPtr->instances.size == ALLOC_CHUNK) {
@@ -1366,6 +1268,7 @@ TclOOAddToInstances(
}
}
clsPtr->instances.list[clsPtr->instances.num++] = oPtr;
+ AddRef(oPtr);
}
/*
@@ -1374,36 +1277,31 @@ TclOOAddToInstances(
* TclOORemoveFromSubclasses --
*
* Utility function to remove a class from the list of subclasses within
- * another class.
+ * another class. Returns the number of removals performed.
*
* ----------------------------------------------------------------------
*/
-void
+int
TclOORemoveFromSubclasses(
Class *subPtr, /* The subclass to remove. */
Class *superPtr) /* The superclass to possibly remove the
* subclass reference from. */
{
- int i;
+ int i, res = 0;
Class *subclsPtr;
+ if (Deleted(superPtr->thisPtr)) {
+ return res;
+ }
FOREACH(subclsPtr, superPtr->subclasses) {
if (subPtr == subclsPtr) {
- goto removeSubclass;
- }
- }
- return;
-
- removeSubclass:
- if (!Deleted(superPtr->thisPtr)) {
- superPtr->subclasses.num--;
- if (i < superPtr->subclasses.num) {
- superPtr->subclasses.list[i] =
- superPtr->subclasses.list[superPtr->subclasses.num];
+ RemoveItem(Class, superPtr->subclasses, i);
+ TclOODecrRefCount(subPtr->thisPtr);
+ res++;
}
- superPtr->subclasses.list[superPtr->subclasses.num] = NULL;
}
+ return res;
}
/*
@@ -1430,13 +1328,13 @@ TclOOAddToSubclasses(
if (superPtr->subclasses.num >= superPtr->subclasses.size) {
superPtr->subclasses.size += ALLOC_CHUNK;
if (superPtr->subclasses.size == ALLOC_CHUNK) {
- superPtr->subclasses.list = ckalloc(sizeof(Class*) * ALLOC_CHUNK);
+ superPtr->subclasses.list = ckalloc(sizeof(Class *) * ALLOC_CHUNK);
} else {
- superPtr->subclasses.list = ckrealloc(superPtr->subclasses.list,
- sizeof(Class *) * superPtr->subclasses.size);
+ superPtr->subclasses.list = ckrealloc(superPtr->subclasses.list, sizeof(Class *) * superPtr->subclasses.size);
}
}
superPtr->subclasses.list[superPtr->subclasses.num++] = subPtr;
+ AddRef(subPtr->thisPtr);
}
/*
@@ -1450,31 +1348,28 @@ TclOOAddToSubclasses(
* ----------------------------------------------------------------------
*/
-void
+int
TclOORemoveFromMixinSubs(
Class *subPtr, /* The subclass to remove. */
Class *superPtr) /* The superclass to possibly remove the
* subclass reference from. */
{
- int i;
+ int i, res = 0;
Class *subclsPtr;
- FOREACH(subclsPtr, superPtr->mixinSubs) {
- if (subPtr == subclsPtr) {
- goto removeSubclass;
- }
+ if (Deleted(superPtr->thisPtr)) {
+ return res;
}
- return;
- removeSubclass:
- if (!Deleted(superPtr->thisPtr)) {
- superPtr->mixinSubs.num--;
- if (i < superPtr->mixinSubs.num) {
- superPtr->mixinSubs.list[i] =
- superPtr->mixinSubs.list[superPtr->mixinSubs.num];
+ FOREACH(subclsPtr, superPtr->mixinSubs) {
+ if (subPtr == subclsPtr) {
+ RemoveItem(Class, superPtr->mixinSubs, i);
+ TclOODecrRefCount(subPtr->thisPtr);
+ res++;
+ break;
}
- superPtr->mixinSubs.list[superPtr->mixinSubs.num] = NULL;
}
+ return res;
}
/*
@@ -1508,6 +1403,7 @@ TclOOAddToMixinSubs(
}
}
superPtr->mixinSubs.list[superPtr->mixinSubs.num++] = subPtr;
+ AddRef(subPtr->thisPtr);
}
/*
@@ -1515,7 +1411,7 @@ TclOOAddToMixinSubs(
*
* AllocClass --
*
- * Allocate a basic class. Does not splice the class object into its
+ * Allocate a basic class. Does not add class to its
* class's instance list.
*
* ----------------------------------------------------------------------
@@ -1526,44 +1422,18 @@ AllocClass(
Tcl_Interp *interp, /* Interpreter within which to allocate the
* class. */
Object *useThisObj) /* Object that is to act as the class
- * representation, or NULL if a new object
- * with automatic name is to be used. */
+ * representation. */
{
Foundation *fPtr = GetFoundation(interp);
Class *clsPtr = ckalloc(sizeof(Class));
- /*
- * Make an object if we haven't been given one.
- */
-
memset(clsPtr, 0, sizeof(Class));
- if (useThisObj == NULL) {
- clsPtr->thisPtr = AllocObject(interp, NULL, NULL, NULL);
- } else {
- clsPtr->thisPtr = useThisObj;
- }
+ clsPtr->thisPtr = useThisObj;
/*
* Configure the namespace path for the class's object.
*/
-
- if (fPtr->helpersNs != NULL) {
- Tcl_Namespace *path[2];
-
- path[0] = fPtr->helpersNs;
- path[1] = fPtr->ooNs;
- TclSetNsPath((Namespace *) clsPtr->thisPtr->namespacePtr, 2, path);
- } else {
- TclSetNsPath((Namespace *) clsPtr->thisPtr->namespacePtr, 1,
- &fPtr->ooNs);
- }
-
- /*
- * Class objects inherit from the class of classes unless they inherit
- * from some subclass of it. Enforce this right now.
- */
-
- clsPtr->thisPtr->selfCls = fPtr->classCls;
+ initClassPath(interp, clsPtr);
/*
* Classes are subclasses of oo::object, i.e. the objects they create are
@@ -1573,6 +1443,7 @@ AllocClass(
clsPtr->superclasses.num = 1;
clsPtr->superclasses.list = ckalloc(sizeof(Class *));
clsPtr->superclasses.list[0] = fPtr->objectCls;
+ AddRef(fPtr->objectCls->thisPtr);
/*
* Finish connecting the class structure to the object structure.
@@ -1585,10 +1456,22 @@ AllocClass(
* fields.
*/
- clsPtr->refCount = 1;
Tcl_InitObjHashTable(&clsPtr->classMethods);
return clsPtr;
}
+static void
+initClassPath(Tcl_Interp *interp, Class *clsPtr) {
+ Foundation *fPtr = GetFoundation(interp);
+ if (fPtr->helpersNs != NULL) {
+ Tcl_Namespace *path[2];
+ path[0] = fPtr->helpersNs;
+ path[1] = fPtr->ooNs;
+ TclSetNsPath((Namespace *) clsPtr->thisPtr->namespacePtr, 2, path);
+ } else {
+ TclSetNsPath((Namespace *) clsPtr->thisPtr->namespacePtr, 1,
+ &fPtr->ooNs);
+ }
+}
/*
* ----------------------------------------------------------------------
@@ -1639,7 +1522,7 @@ Tcl_NewObjectInstance(
contextPtr->skip = skip;
/*
- * Adjust the ensmble tracking record if necessary. [Bug 3514761]
+ * Adjust the ensemble tracking record if necessary. [Bug 3514761]
*/
isRoot = TclInitRewriteEnsemble(interp, skip, skip, objv);
@@ -1655,7 +1538,6 @@ Tcl_NewObjectInstance(
clientData[2] = state;
clientData[3] = &oPtr;
- AddRef(oPtr);
result = FinalizeAlloc(clientData, interp, result);
if (result != TCL_OK) {
return NULL;
@@ -1722,7 +1604,6 @@ TclNRNewObjectInstance(
* Fire off the constructors non-recursively.
*/
- AddRef(oPtr);
TclNRAddCallback(interp, FinalizeAlloc, contextPtr, oPtr, state,
objectPtr);
TclPushTailcallPoint(interp);
@@ -1770,18 +1651,9 @@ TclNewObjectInstanceCommon(
* Create the object.
*/
- /*
- * The command for the object could have the same name as the command
- * associated with classPtr, so protect the structure from deallocation
- * here.
- */
- AddRef(classPtr);
-
oPtr = AllocObject(interp, simpleName, nsPtr, nsNameStr);
- DelRef(classPtr);
oPtr->selfCls = classPtr;
TclOOAddToInstances(oPtr, classPtr);
-
/*
* Check to see if we're really creating a class. If so, allocate the
* class structure as well.
@@ -1796,7 +1668,6 @@ TclNewObjectInstanceCommon(
*/
AllocClass(interp, oPtr);
- oPtr->selfCls = classPtr;
TclOOAddToSubclasses(oPtr->classPtr, fPtr->objectCls);
} else {
oPtr->classPtr = NULL;
@@ -1828,7 +1699,6 @@ FinalizeAlloc(
Tcl_SetErrorCode(interp, "TCL", "OO", "STILLBORN", NULL);
result = TCL_ERROR;
}
- TclOODeleteContext(contextPtr);
if (result != TCL_OK) {
Tcl_DiscardInterpState(state);
@@ -1842,12 +1712,14 @@ FinalizeAlloc(
(void) TclOOObjectName(interp, oPtr);
Tcl_DeleteCommandFromToken(interp, oPtr->command);
}
- DelRef(oPtr);
+ /* This decrements the refcount of oPtr */
+ TclOODeleteContext(contextPtr);
return TCL_ERROR;
}
Tcl_RestoreInterpState(interp, state);
*objectPtr = (Tcl_Object) oPtr;
- DelRef(oPtr);
+ /* This decrements the refcount of oPtr */
+ TclOODeleteContext(contextPtr);
return TCL_OK;
}
@@ -1955,8 +1827,7 @@ Tcl_CopyObjectInstance(
*/
o2Ptr->flags = oPtr->flags & ~(
- OBJECT_DELETED | ROOT_OBJECT | ROOT_CLASS | FILTER_HANDLING);
-
+ OBJECT_DELETED | ROOT_OBJECT | ROOT_CLASS | FILTER_HANDLING);
/*
* Copy the object's metadata.
*/
@@ -2968,7 +2839,7 @@ int
Tcl_ObjectDeleted(
Tcl_Object object)
{
- return Deleted(object) ? 1 : 0;
+ return Deleted((Object *)object) ? 1 : 0;
}
Tcl_Object
diff --git a/generic/tclOOBasic.c b/generic/tclOOBasic.c
index b2c06a7..84f414d 100644
--- a/generic/tclOOBasic.c
+++ b/generic/tclOOBasic.c
@@ -340,11 +340,6 @@ TclOO_Object_Destroy(
Object *oPtr = (Object *) Tcl_ObjectContextObject(context);
CallContext *contextPtr;
- if (objc != Tcl_ObjectContextSkippedArgs(context)) {
- Tcl_WrongNumArgs(interp, Tcl_ObjectContextSkippedArgs(context), objv,
- NULL);
- return TCL_ERROR;
- }
if (!(oPtr->flags & DESTRUCTOR_CALLED)) {
oPtr->flags |= DESTRUCTOR_CALLED;
contextPtr = TclOOGetCallContext(oPtr, NULL, DESTRUCTOR, NULL);
diff --git a/generic/tclOOCall.c b/generic/tclOOCall.c
index d4e1e34..c71425b 100644
--- a/generic/tclOOCall.c
+++ b/generic/tclOOCall.c
@@ -110,7 +110,8 @@ TclOODeleteContext(
TclOODeleteChain(contextPtr->callPtr);
if (oPtr != NULL) {
TclStackFree(oPtr->fPtr->interp, contextPtr);
- DelRef(oPtr);
+ /* Corresponding AddRef() in TclOO.c/TclOOObjectCmdCore */
+ TclOODecrRefCount(oPtr);
}
}
@@ -1171,6 +1172,7 @@ TclOOGetCallContext(
returnContext:
contextPtr = TclStackAlloc(oPtr->fPtr->interp, sizeof(CallContext));
contextPtr->oPtr = oPtr;
+ /* Corresponding TclOODecrRefCount() in TclOODeleteContext */
AddRef(oPtr);
contextPtr->callPtr = callPtr;
contextPtr->skip = 2;
diff --git a/generic/tclOODefineCmds.c b/generic/tclOODefineCmds.c
index 47b34bb..d05d899 100644
--- a/generic/tclOODefineCmds.c
+++ b/generic/tclOODefineCmds.c
@@ -326,9 +326,7 @@ TclOOObjectSetMixins(
if (numMixins == 0) {
if (oPtr->mixins.num != 0) {
FOREACH(mixinPtr, oPtr->mixins) {
- if (mixinPtr) {
- TclOORemoveFromInstances(oPtr, mixinPtr);
- }
+ TclOORemoveFromInstances(oPtr, mixinPtr);
}
ckfree(oPtr->mixins.list);
oPtr->mixins.num = 0;
@@ -352,6 +350,10 @@ TclOOObjectSetMixins(
FOREACH(mixinPtr, oPtr->mixins) {
if (mixinPtr != oPtr->selfCls) {
TclOOAddToInstances(oPtr, mixinPtr);
+ /* Corresponding TclOODecrRefCount() is in the caller of this
+ * function.
+ */
+ TclOODecrRefCount(mixinPtr->thisPtr);
}
}
}
@@ -399,6 +401,10 @@ TclOOClassSetMixins(
memcpy(classPtr->mixins.list, mixins, sizeof(Class *) * numMixins);
FOREACH(mixinPtr, classPtr->mixins) {
TclOOAddToMixinSubs(classPtr, mixinPtr);
+ /* Corresponding TclOODecrRefCount() is in the caller of this
+ * function
+ */
+ TclOODecrRefCount(mixinPtr->thisPtr);
}
}
BumpGlobalEpoch(interp, classPtr);
@@ -914,7 +920,7 @@ TclOODefineObjCmd(
} else {
result = MagicDefinitionInvoke(interp, fPtr->defineNs, 2, objc, objv);
}
- DelRef(oPtr);
+ TclOODecrRefCount(oPtr);
/*
* Restore the previous "current" namespace.
@@ -981,7 +987,7 @@ TclOOObjDefObjCmd(
} else {
result = MagicDefinitionInvoke(interp, fPtr->objdefNs, 2, objc, objv);
}
- DelRef(oPtr);
+ TclOODecrRefCount(oPtr);
/*
* Restore the previous "current" namespace.
@@ -1048,7 +1054,7 @@ TclOODefineSelfObjCmd(
} else {
result = MagicDefinitionInvoke(interp, fPtr->objdefNs, 1, objc, objv);
}
- DelRef(oPtr);
+ TclOODecrRefCount(oPtr);
/*
* Restore the previous "current" namespace.
@@ -1120,11 +1126,11 @@ TclOODefineClassObjCmd(
if (oPtr->selfCls != clsPtr) {
TclOORemoveFromInstances(oPtr, oPtr->selfCls);
+
+ /* Reference count already incremented 3 lines up. */
oPtr->selfCls = clsPtr;
+
TclOOAddToInstances(oPtr, oPtr->selfCls);
- if (!(clsPtr->thisPtr->flags & OBJECT_DELETED)) {
- oPtr->flags &= ~CLASS_GONE;
- }
if (oPtr->classPtr != NULL) {
BumpGlobalEpoch(interp, oPtr->classPtr);
} else {
@@ -1580,6 +1586,10 @@ TclOODefineMixinObjCmd(
goto freeAndError;
}
mixins[i-1] = clsPtr;
+ /* Corresponding TclOODecrRefCount() is in TclOOObjectSetMixins,
+ * TclOOClassSetMixinsk, or just below if this function fails.
+ */
+ AddRef(mixins[i-1]->thisPtr);
}
if (isInstanceMixin) {
@@ -1592,6 +1602,9 @@ TclOODefineMixinObjCmd(
return TCL_OK;
freeAndError:
+ while (--i > 0) {
+ TclOODecrRefCount(mixins[i]->thisPtr);
+ }
TclStackFree(interp, mixins);
return TCL_ERROR;
}
@@ -2007,6 +2020,7 @@ ClassMixinSet(
mixins[i] = GetClassInOuterContext(interp, mixinv[i],
"may only mix in classes");
if (mixins[i] == NULL) {
+ i--;
goto freeAndError;
}
if (TclOOIsReachable(oPtr->classPtr, mixins[i])) {
@@ -2015,6 +2029,10 @@ ClassMixinSet(
Tcl_SetErrorCode(interp, "TCL", "OO", "SELF_MIXIN", NULL);
goto freeAndError;
}
+ /* Corresponding TclOODecrRefCount() is in TclOOClassSetMixins, or just
+ * below if this function fails
+ */
+ AddRef(mixins[i]->thisPtr);
}
TclOOClassSetMixins(interp, oPtr->classPtr, mixinc, mixins);
@@ -2022,6 +2040,9 @@ ClassMixinSet(
return TCL_OK;
freeAndError:
+ while (i-- > 0) {
+ TclOODecrRefCount(mixins[i]->thisPtr);
+ }
TclStackFree(interp, mixins);
return TCL_ERROR;
}
@@ -2124,16 +2145,20 @@ ClassSuperSet(
if (superc == 0) {
superclasses = ckrealloc(superclasses, sizeof(Class *));
- superclasses[0] = oPtr->fPtr->objectCls;
- superc = 1;
if (TclOOIsReachable(oPtr->fPtr->classCls, oPtr->classPtr)) {
superclasses[0] = oPtr->fPtr->classCls;
+ } else {
+ superclasses[0] = oPtr->fPtr->objectCls;
}
+ superc = 1;
+ /* Corresponding TclOODecrRefCount is near the end of this function */
+ AddRef(superclasses[0]->thisPtr);
} else {
for (i=0 ; i<superc ; i++) {
superclasses[i] = GetClassInOuterContext(interp, superv[i],
"only a class can be a superclass");
if (superclasses[i] == NULL) {
+ i--;
goto failedAfterAlloc;
}
for (j=0 ; j<i ; j++) {
@@ -2150,9 +2175,15 @@ ClassSuperSet(
"attempt to form circular dependency graph", -1));
Tcl_SetErrorCode(interp, "TCL", "OO", "CIRCULARITY", NULL);
failedAfterAlloc:
- ckfree((char *) superclasses);
+ for (; i > 0; i--) {
+ TclOODecrRefCount(superclasses[i]->thisPtr);
+ }
+ ckfree(superclasses);
return TCL_ERROR;
}
+ /* Corresponding TclOODecrRefCount() is near the end of this
+ * function */
+ AddRef(superclasses[i]->thisPtr);
}
}
@@ -2173,6 +2204,8 @@ ClassSuperSet(
oPtr->classPtr->superclasses.num = superc;
FOREACH(superPtr, oPtr->classPtr->superclasses) {
TclOOAddToSubclasses(oPtr->classPtr, superPtr);
+ /* To account for the AddRef() earlier in this function */
+ TclOODecrRefCount(superPtr->thisPtr);
}
BumpGlobalEpoch(interp, oPtr->classPtr);
@@ -2463,9 +2496,16 @@ ObjMixinSet(
mixins[i] = GetClassInOuterContext(interp, mixinv[i],
"may only mix in classes");
if (mixins[i] == NULL) {
+ while (i-- > 0) {
+ TclOODecrRefCount(mixins[i]->thisPtr);
+ }
TclStackFree(interp, mixins);
return TCL_ERROR;
}
+ /* Corresponding TclOODecrRefCount() is in TclOOObjectSetMixins() or
+ * just above if this function fails.
+ */
+ AddRef(mixins[i]->thisPtr);
}
TclOOObjectSetMixins(oPtr, mixinc, mixins);
diff --git a/generic/tclOOInt.h b/generic/tclOOInt.h
index 292293c..61ead01 100644
--- a/generic/tclOOInt.h
+++ b/generic/tclOOInt.h
@@ -193,9 +193,10 @@ typedef struct Object {
* destroyed. */
#define DESTRUCTOR_CALLED 2 /* Flag to say that the destructor has been
* called. */
-#define CLASS_GONE 4 /* Indicates that the class of this object has
- * been deleted, and so the object should not
- * attempt to remove itself from its class. */
+#define CLASS_GONE 4 /* Obsolete. Indicates that the class of this
+ * object has been deleted, and so the object
+ * should not attempt to remove itself from its
+ * class. */
#define ROOT_OBJECT 0x1000 /* Flag to say that this object is the root of
* the class hierarchy and should be treated
* specially during teardown. */
@@ -222,10 +223,6 @@ typedef struct Object {
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
@@ -496,6 +493,7 @@ MODULE_SCOPE Object * TclNewObjectInstanceCommon(Tcl_Interp *interp,
Class *classPtr,
const char *nameStr,
const char *nsNameStr);
+MODULE_SCOPE int TclOODecrRefCount(Object *oPtr);
MODULE_SCOPE int TclOODefineSlots(Foundation *fPtr);
MODULE_SCOPE void TclOODeleteChain(CallChain *callPtr);
MODULE_SCOPE void TclOODeleteChainCache(Tcl_HashTable *tablePtr);
@@ -525,10 +523,10 @@ MODULE_SCOPE int TclNRObjectContextInvokeNext(Tcl_Interp *interp,
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,
+MODULE_SCOPE int TclOORemoveFromInstances(Object *oPtr, Class *clsPtr);
+MODULE_SCOPE int TclOORemoveFromMixinSubs(Class *subPtr,
Class *mixinPtr);
-MODULE_SCOPE void TclOORemoveFromSubclasses(Class *subPtr,
+MODULE_SCOPE int TclOORemoveFromSubclasses(Class *subPtr,
Class *superPtr);
MODULE_SCOPE Tcl_Obj * TclOORenderCallChain(Tcl_Interp *interp,
CallChain *callPtr);
@@ -543,18 +541,21 @@ MODULE_SCOPE void TclOOSetupVariableResolver(Tcl_Namespace *nsPtr);
#include "tclOOIntDecls.h"
/*
+ * Alternatives to Tcl_Preserve/Tcl_EventuallyFree/Tcl_Release.
+ */
+
+#define AddRef(ptr) ((ptr)->refCount++)
+
+/*
* 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!
- *
+ * memory management of objects.
* REQUIRES DECLARATION: int i;
*/
#define FOREACH(var,ary) \
- for(i=0 ; (i<(ary).num?((var=(ary).list[i]),1):0) ; i++)
+ for(i=0 ; i<(ary).num; i++) if ((ary).list[i] == NULL) { \
+ continue; \
+ } else if (var = (ary).list[i], 1)
/*
* Convenience macros for iterating through hash tables. FOREACH_HASH_DECLS
@@ -589,17 +590,6 @@ MODULE_SCOPE void TclOOSetupVariableResolver(Tcl_Namespace *nsPtr);
} \
} 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 */
/*
diff --git a/tests/oo.test b/tests/oo.test
index 46f8880..9cf3133 100644
--- a/tests/oo.test
+++ b/tests/oo.test
@@ -47,7 +47,7 @@ test oo-0.2 {basic test of OO's ability to clean up its initial state} {
} {}
test oo-0.3 {basic test of OO's ability to clean up its initial state} -body {
leaktest {
- [oo::object new] destroy
+ [oo::object new] destroy
}
} -constraints memory -result 0
test oo-0.4 {basic test of OO's ability to clean up its initial state} -body {
@@ -131,6 +131,10 @@ test oo-1.4 {basic test of OO functionality} -body {
test oo-1.4.1 {fully-qualified nested name} -body {
oo::object create ::one::two::three
} -result {::one::two::three}
+test oo-1.4.2 {automatic command name has same name as namespace} -body {
+ set obj [oo::object new]
+ expr {[info object namespace $obj] == $obj}
+} -result 1
test oo-1.5 {basic test of OO functionality} -body {
oo::object doesnotexist
} -returnCodes 1 -result {unknown method "doesnotexist": must be create, destroy or new}
@@ -1514,9 +1518,9 @@ test oo-11.6 {
# No segmentation fault
return done
-} -cleanup {
+} -result done -cleanup {
rename obj1 {}
-} -result done
+}
test oo-12.1 {OO: filters} {
oo::class create Aclass