xotcl

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- nsf.c: * added refcounting to parameter definitions (needed, when aliased object parameter redefined the actual objectparameters) * removed hardcoded call to remaining args * switched implentation of xotcl2 to use object parameter with parameter option "args" * removed residualargs from object system definition * extended regression test

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- use filterreg in regressiontest as well

- xotcl2: use filterreg instead of plain arg for registration of filters

-nsf.c: * switched parameter logic from default for nrargs from 0 to 1 * simplified logic to detect additional arguments in argument parser * improved error message for missing required argument

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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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- 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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- removed unneeded expr

- 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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- nsf.c: fixed bad interaction between mixins and ensembles in tcl8.6

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- nsf.c: fixed possible crash in tcl8.6 with nsfprocs, still one inconsistency

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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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- reduce name dependencies

- nsf.c: require NSF_IS_SLOT_CONTAINER for slot-container

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- xotcl2:tcl * made "info heritage" in xotcl2 compatible with xotcl1 * fixed "info slots" in xotcl2 * extended regression test

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- make metadata analyzer more silent

- nsf.c: Since the method "objectparameter" is just based on the class (and object parameters are invalidates as well over the class), we moved the method from obj to class to avoid potential confusions

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- nx.tcl, xotcl2.tcl: removed unsafe {*}$pattern

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- nsf.c: * renamed old flag "-order" of "info mixin classes" to "-heritage" since it computes same heritage as in "info heritage" (but potentially for a list of classes) * added compatibility layer for xotcl2 * added lost option "-heritage" to "/cls/ info mixin classes" (was only there for "/obj/ info mixin classes") * extended regression test

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- nsf.c: * ensure that explicit per-object-mixins are kept at the front in "info heritage" order and in "info precedence" when classes are added as POMs and PCMs * extended regression test

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- nsf.c: * added NsfClassListNoDup() to allow just single inserts * added NsfClassListPrint() for debugging * info heritage returns no duplicates * added prototype for NsfNoCurrentObjectError() * report "no current object" when no object is passed to a method. * code cleanup - extended regression test

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- test.tcl: * don't export Test per-default * define Test as nx::Test * make Test parameter count 1 the default, change to higher numbers where needed

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- nsf: renamed nsf::isobject to nsf::object::exists - nsf: renamed nsf::qualify to nsf::object::qualify

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* Hopefully the last big naming change: Instead of writing "C class-object method foo {} {...}" one can write now "C class method foo {} {...}" to define a class method named "foo" for class "C". This naming change became possible by defining XOTcl's "class" (and "superclass") as object parameter only. To change a class of an object o, one has to use "o configure -class NEWCLASS". The term "object-class" looks alien to language beginners, the term "class" is much more straightforward. Changing classes or superclasses is seldomly used by typicall application programs.

For already existing nx scripts, changing "object-class" into

class should be straightforward.

* various documentation updates (migration guide, nx tutorial)

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* provided a fast path implementation for "defaultmethod" * provided default system methods for "init", "defaultmethod" and "unknown" * provided handles for system methods "alloc", "dealloc", "recreate", and "defaultmethod" * strip in dispatch invocations of "unknown" potental leading colons * removed c-level implementation of init again, since scripted one can be used now as well in registration of createobjectsystem * reduced verbosity * added defintions such that these methods can be loaded via ::nsf::method::require ::nx::Object unknown

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* reactivated "configure", since we plan to use it more prominently * added a configure flag for "class" * removed method "class" (should be used via "/obj/ configure -class ...")

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- changed names of var handling commands in nsf: ::nsf::existsvar => ::nsf::var::exists ::nsf::importvar => ::nsf::var::import ::nsf::setvar => ::nsf::var::set

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- changed named of method handling commands in nsf: ::nsf::methodproperty => ::nsf::method::property ::nsf::method => ::nsf::method::create ::nsf::methoddelete => ::nsf::method::delete ::nsf::alias => ::nsf::method::alias ::nsf::forward => ::nsf::method::forward ::nsf::setter => ::nsf::method::setter (updated regression test, docs, ...)

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

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