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- nx.tcl: provide caching for computed values of object slots to make method objectparameter nearly twice as fast; direct changes on slots require a reconfigure call. - nsf.c: removed SUBST from shadow commands (does not appear to be necessary any more) - nsf.c: fixing a memory leak (some substituted values were not freed correctly) - nsf.c: fix potential crash for epoched cmds - some minor updates for profiling support

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Merge branch '2.0.0-develop' of ssh://alice.wu-wien.ac.at/usr/local/src/git-repo/xotcl into 2.0.0-develop

- nsfStack.c: provide hook to obtain callers information in profiling code

- provide low-level commands for managing profile data

- nsf.c: provide low-level commands for managing profile data

Adding buffer-local emacs settings to the *.c files

- added gentstubs built with 8.5.9

- reanimated NSF_PROFILE

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- nsf::relation: fixed error message when receiving and invalid class for relation type "class"

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- update slot uml diagram - fixed incorrect (unwanted) call to unknown that caused creation of objects names __unknown when classes could not be resolved

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- added experimental flag WITH_IMPORT_REFS to deactivate automated alias deletion (seems, that this solves all issues we had before) - added flushing of bytecode on alias registration - added regression test

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- added flag to AliasGet() to leave optional error message if alias data is removed - some cleanup in NsfProcAliasMethod(): handle not existing alias data, more careful refcounting

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- use NsfCommandPreserve/NsfCommandRelease for tcd->aliasCmd as well. In case of epoched cmdPointers, refetch the cmd and it client data.

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- nsf.c: changed handling of cmdPtrs in callstack content. * we use now explicit reference counting using NsfCommandPreserve/NsfCommandRelease * as a consequence, we do not need the following functions Nsf_DeleteCommandFromToken() and CallStackClearCmdReferences() any more. * the flag NSF_CSC_OBJECT_ACTIVATED is not needed anymore and was removed

- removed a small memory leak when a destroy method of an object o

deletes its grandparents namespace, containing also this class of o

(and its methods). Significantly eased by the change above.

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- changed test in backport to use hashtablePtr->numEntries instead of pointer check

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- new function Nsf_NextHashEntry() simular Tcl_NextHashEntry(), but handles triggered hash entry deletions - fixed reference count in AliasDeleteObjectReference()

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- use same test for class cleanup in NSDeleteChildren as well

- use a different test for detecting already deleted items

- Backport of fix for nsf : fixed a nasty bug within namespace deletion

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- nsf.c: fixed a nasty bug within namespace deletion, when a deletion of one tcl cmd caused implicit deletions of other cmds in the same namespace. The classical idiom for looking over hash tables with Tcl_GetHashValue() and Tcl_NextHashEntry(hSrch) can lead to crashes (and has different behavior depending on the number of buckets). - added regression test

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- nx.tcl: * full rewrite of slot machinerie, much simpler structure * relation handling via parameter aliases instread of pseudo converter * mixinclass SlotOptimizer removed * new class BootStrapAttributeSlot

- ConvertToRelation() and handling of parametertype "relation"

- Make CompiledColonVarFetch() more robust in case of

half initialized objects (create vartable on the fly if needed)

- allow empty parameter options in parameter parser

- removed nsf::parametersfromslots (became simple, part of objectparameter now)

- removed hardcoded objectparameter (attributes, volatile and noinit)

- updated regression test

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- minor cleanup

- fixed potential access to freed memory (actually when checking if namespace was removed by Tcl); found this problem when compiling Tcl with SYSTEM_MALLOC (own modified version of tclThreadAlloc.c) - fixed memory leak (namespace names and structures)

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- improved documentation

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Merge branch '2.0.0-develop' of ssh://alice.wu-wien.ac.at/usr/local/src/git-repo/xotcl into 2.0.0-develop

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- added shadowing for ::tcl::info::body to allow "info body" to be called on ::nsf::procs - commented nsfShadow.c - added regression test

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- fixed potential crash with missing parent namespace

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- renamed object parameter type "method" to "alias" - removed parameter option "slotobj=" in toParameterSyntax - renamed to [from|to]parameterSyntax to [from|to]parameterSpec

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- added first implementation of object parameter type forward

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- parameter specs: use "arg=" in object parameter type "method" as name of a called method to allow to call unregistered methods - eliminate protected method "noinit" for nx and allow it just as an object parameter

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