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Replaced errorneous variable check which prevented [::nsf::relation /obj/ class-filter] from returning any filter info

- added a SlotContainerCmdResolver() to avoid interaction of slot names with names of callable tcl commands. Without the SlotContainerCmdResolver() the call to "list" in a property named "list" leads to a call to the container object ::Test2::slot::list instead to the intended ::list. The implementation is not perfect, since it ignores the namespace path inside the slot container. - added regression test.

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nsfShadow.c - bump MethodEpoch when a tcl ::rename command happens on a nsf method (which might be cached in a Tcl_Obj) This fixes a crash reported by Arthur Schreiber nsf.c: - make NsfInstanceMethodEpochIncr() and NsfObjectMethodEpochIncr() accessible from all files using nsfInt.h - remove experimental code (backslash escaping for "," in parameter option parse

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- remove dependency of generated stub file from nsfInt.h

- fix compilation when dtrace is activated (missing parthesis, many thanks to Victor Guerra for noticing)

- configure, configure.in: Under win, the CLEANFILES missed a pattern for object files - nsfInt.h: Based on the BUILD_nsf convention, the internal header introduced a TCL_STORAGE_CLASS macro placing the dllimport attribute (under Win/MinGW builts). As a consequence, shared and stub builts ended up with function declarations annotated with dllimport (which for these cases is either unnecessary or even breaks builts because the dllexport counterpart is missing, obviously). As nsf.h includes a sane DLLIMPORT/DLLEXPORT handling (copied over from tcl.h), I simply removed the special macro handling from nsfInt.h. - NsfProcStub(): Use the EXTERN macro rather than extern directly

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- change "#!/bin/env" into "#!/usr/bin/env"

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- generic/nsf.c, ObjectDispatch(): Re-arranged the handling of fully-qualified method dispatches with the selectors resolving to existing objects and, in particular, nested (namespace-qualified) objects. Prior to that, dispatches such as "::C ::parent::child" were not covered appropriately: ::parent was reported as valid regObj and so the dispatcher continued to dispatch to the cmd "::parent::child" in the self-context ::parent::child ... with unwanted side-effects (e.g., XOTcl's unknown handling was bypassed). - tests/methods.test: Added basic tests on the (current) handling for such ::* dispatches and a specific test set on the intended XOTcl behaviour.

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Merge branch 'master' of ssh://alice.wu-wien.ac.at/usr/local/src/git-repo/nsf

- allow parens in property names (array syntax) - added "/obj/ info name" (as alternative to "namspace tail [self]")

- use newer style of tcl-obj interface instead of sprintf

- implement escaping for comma in value of parameter options: escaping in values can be achived via duplicating the comma. - extend regression test

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- explorative implementation of object method dispatches with KEEP_CALLER_SELF and no NSF_PER_OBJECT_DISPATCH - extend regression test

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nsf.c: - refactor ObjectCmdMethodDispatch() for clarity - prepare work on object method dispatches with KEEP_CALLER_SELF and no NSF_PER_OBJECT_DISPATCH

- fix off-by-one error

- fix typo

nsf.c: - generalize stack monitor by handling growing and shrinking stacks - refactor into funciton CheckCStack()

- added compile macro NSF_STACKCHECK to provide stack monitoring/debugging (especially useful for multi threaded programs, where stack is more limited)

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- make ::nsf::log more robust for aolserver/naviserver, since ::ns_log is not always around when an output is needed

- protect serial generation for parameters via mutex

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- fix compilation when compiled without threads (many thanks for r.zaumseil for noting this).

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- pass property name to slot "initialize" method to conform with the interface to "assign", "get" ... (all these receive the property name as well) - allow slot "initialize" method to be protected (handled similarly to "init")

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nsf.c: - added object parameter option "slotinitialize" - renamed object parameter option "invokesetter" -> "slotassign" - call slot.assign instead of setter of object - removed restriction on nosetter/invokesetter: nosetter can be used in connection with slotassign - added regression test for slot.initialize

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- Fixed a bad interaction between Tcl's apply (pushing lambda frames) and the variable resolvers. The variable resolver was not able to resolve variables, while the command resolver was still working correctly. - Extended regression test

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Improve comments

documented dependencies between configure flags and feature activation cpp macros

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- improve error message to indicate, that nsf refuses to overwrite (redefine) some cmds

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- don't allow method to overwrite child object - extended regression test - documented new feature as incompatibility with XOTcl 1

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- don't allow object creation to overwrite non-object cmds (e.g. procs)

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- use Tcl's EXTERN macro instead of "extern"

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