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- reduced verbosity, updated TODO

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- nx.tcl: * fixed copy for object created with new * copy returns now the fully qualified name of the copied object

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- nsf.c: * fixed a bug in "info parameter list|... name" when the named parameter is not found (returns now empty, before, it was returing the full list). * added flag "-nocomplain" to nsf::var::unset - nx.tcl * added "delete variable" analogous to "delete attribute" * unset instance variable for object-level "delete attribute" * extended regression test

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- nx.tcl: * added support for "variable" on the class-level * added flag "noconfig" to object parameter options * parameters with "noconfig" are omitted in "info parameter syntax" and "info parameter list" * used switches for all configurable boolean options for "variable" and "attribute" * regularized the interface of "variable" and "attribute" * extended regression test

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- nx.tcl: added switch "incremental" to "variable" and "attribute" - added regression test

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- generic/nsf.c: Fixed [current callingmethod] for submethods (i.e., reporting submethods as calling methods, including their methodpath). Added tests covering the fix (see tests/submethods.test). - generic/nsfStack.c (CallStackMethodPath): Re-arranged the traversal slightly, to escape non-ensemble frames (eval CFRAMEs) as parts of the method path. Added test (see tests/submethods.test). - library/nx/nx.tcl: Corrected the impl of Ensemble->defaultmethod() (e.g., used self instead of current) - tests/disposition.test: Fixed test cases turned out to be false positives. Before the fixes, [current methodpath] gave non-empty results for simple object aliases.

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- provide error message, when method variable is a noop (e.g. no value provided and no accessor is wanted)

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- added support for "class variable" - added tests for "variable" + multiplicity and "class variable"

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- nx::Attribute: changed method 'checkInstVar' to 'setCheckedInstVar' - set only fresh variables via per-object method "variable" and "attribute" - added flag -concomplain to per-object method "variable" and "attribute" - extended regression test

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- nx: factor out method createFromParameterSpec - method variable: * check default value * added shortcut, when no slot object is needed * extended regression test

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- regularized more nsf::* names: renamed "nsf::createobjectsystem" => "nsf::objectsystem::create" renamed "nsf::unknown" => "nsf::object::unknown" renamed "nsf::dispatch" => "nsf::object::dispatch"

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- first draft of separation of attribute -> variable + accessor

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- reamed ObjectParameterSlot attribute from nosetter => accessor (positive formulation)

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- fix typos in string "unknown" (unknwon, unkown)

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- nsfStack.c / CallStackMethodPath(): Providing a fix for reporting method paths correctly when dispatching to ensembles from alias parameters. Prior to that fix, the intermediate (and inactive) CMETHOD frame wrapping configure() calls caused [current methodpath]s to report empty string elements. Added some test cases. - nsf.c / ObjectDispatch(), DispatchUnknownMethod(): When testing objects as alias parameter targets, I found cases when the default (C-level) unknown handler was invoked upon. The result was an unknown message which reported the delegator object as "unknown" method! This was due to injecting the delegator object into the argument vector at position 0, subsequently used by the C-level unknown handler. First, I tried to make the C-level unknown handler aware of the ensemble call context (by funneling through the CSC and frame flags) but this turned out to be complicated to achieve this simple task. As an alternative, I suggest the following patch: The first argument in unknown calls is treated as a list, and dependening on the call context (ensemble vs. non-ensemble) contains all the necessary call data. For ensemble methods, it is the delegator object, the entire method path (as returned by [current methodpath]), and the actual unknown selector. The default C-level handler, treating the call info as list, resorts to reporting the last element of the list which is always the unknown selector. Custom (ensemble-level, application-level) unknown handler can wrap and further process the information as necessary. To demonstrate the usefulness, I rewrote EnsembleObject->unknown() accordingly. I checked for Tcl_Obj leaks. - Added some tests on objects as targets of alias object parameter. To be continued.

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- nsf.c: * report only fully initialized slot objects via "info slots" to avoid chicken-egg problem during method "objectparameter" * added flag -array to ::nsf::var::exists to check, whether the variable is an array (to avoid "o eval {array exists ...}" in the serializer. * provided flags to VarExists instead of multiple args * don't add new pointer entries in Nsf_PointerTypeLookup()

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- library/nx/nx.tcl: Fixed Attribute->reconfigure() to cover the reconfiguration of a default value in the per-object case ... - tests/parameters.test: Added Victor Mayevski's example as a proper test case. Details need to be discussed ...

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- library/nx/nx-zip.tcl: added a zip file generator as package

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- add various "namespace eval {}" to make package indexer happy

- nsf.c: * Don't output non-consuming procs (which are always called) via parametersyntax (shows, what a user can input) * additional command ::nsf::object::initialized to check whether an object is already initialized * new function DispatchInitMethod() similar to DispatchDefaultMethod() * let residualargs call init directly instead of doing it the inidrect way * provided ability to call init with object parameters at arbitrary times * switch from Tcl_ObjCmdProc style interface (ClientData first) to a C stype interface for DispatchDefaultMethod(), DispatchUnknownMethod() * bring cmd definitions for nsf::object in right order - extended regression test

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- nsf.c: * improved source code documentation * added parameter option "args" in order to get eventually rid of hard-wired residual args. * improved a few error messages * fixed object parameters consisting only of plain parameters (previously, no parameters were returned in this case, e.g. for method parameters; but object parameter code depends on it) - extended and updated regression tests

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- provided nicer registration and inspection interface for unknown handlers - added documentation for unknown handlers in tutorial - cleanup of __unknown

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- moved mixin reg type converter to a new file (nsfObj.c) - added NsfFilterregObjType, to provide a converter for filter registration similar to mixin registrations - replaced dummy dupIntRepProc and updateStringProc in nsfObj.c by NULL

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- Use mixinregObjType as well in NsfRelationCmd(), so this is the only place, where mixin and guards are processed. - Since the type converter converts Tcl-Objs, we have less context information (e.g. we have no base class, on which we can decide to call e.g. __unknown on on of the objects systems). - because of the point above, i removed ::xotcl::Class->__unknown and ::nx::Class->__unknown in favor of a global proc ::nsf::unknown, for which unknown handlers can be registered - GetClassFromObj() receives as last argument "withUnknown" instead of baseClass to indicate, when unknown should be tried. - new function NsfCallUnkownHandler()

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- renamed converter from "mixinspec" to "mixinreg"

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- nsf.c: * added a new converter for converting mixins with guards (named mixinspec) * used mixinspec in nx.tcl and xotcl2.tcl * extended nx regression test.

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- nsf.c: generalized disposition handling (forward, alias, initcmd) for object parameter * disposition is now an option for object parameters rather than than an own type. Therefore, one can check the arguments passed to the disposition cases * changed specification of name of method from arg= to method= * this way "type" info in "info parameter syntax" is handled automatically

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- added "link" from 2.4 (parameters) to "info parameters" in migration guide

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- nx.tcl: added "info parameter slot" to return slotobject(s) - added "info parameter slot" to migration guide - extended regression test

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- Allow for defining type specifications for @param entities as an @spec part. - Corrected some inconsistencies in the doc templates for attribute methods - Added object parametersyntax in @class templates (though they appear quite lengthy, keep them at the end of the day?) - Distinguish between the "cls" and "obj" as affices

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