nx.tcl

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* fixed bad interaction between filter and parameter alias

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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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* added methods ::nsf::methods::object::class and ::nsf::methods::class::superclass in order to make faster and nicer looking objectparameters (compared with forwarders) * nx: changed parameter -class to use ::nsf::methods::object::class * ns: fixed chicken egg problem of method objectparameter needing objectparameter by creating/destroying slot Class::slot::dummy; otherwise default values for slots would not be available * reduced verbosity of parameter forwarder

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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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* added C-implemented method "init" for orthogonality * allow specification of system method handles in nsf::createobjectsystem * automatically register alias, when system-method handle was provided and a same-named method is defined

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* removed method residualargs from nx

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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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- remove object.cleanup again

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

nx: * removed methods ::nx::Class.recreate and ::nx::Class.recreate from predefined method-set ::nx::Object.configure from predefined method-set

* added defintions such that these methods can be loaded via

::nsf::method::require ::nx::Class recreate

::nsf::method::require ::nx::Object configure

nsf:

* added CallDirectly() wrapper for calls to "init"

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- Provided proper template for hook methods; started partial support for validating Tcl packages (remains to be completeted, i.e., missing and mismatch support) - Fixed rendering for glossary back-references in the light of nested render() calls. - Refactored the rendering of overview lists/status into proper template; show per-project stats - Made @stashed filtering working; some fixes

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- nx: * removed methods ::nx::Class.alloc and ::nx::Class.dealloc from predefined method-set

* added defintions such that these methods can be loaded via

::nsf::method::require ::nx::Class alloc

::nsf::method::require ::nx::Class dealloc

* make explicit that "method ... require" returns a method-handle

* removed misleading reference in error message, when a class-spefic

method was called on an object; solution is somewhat dangerous for

potentially unknwon client data

* added regression tests

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- improved misleading error message for method modifiers "public" and "protected", as well as for "class-object" - extended regression test

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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::provide_method => ::nsf::method::provide ::nsf::require_method => ::nsf::method::require

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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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- 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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- 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.

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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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- nx.tcl: added default/initcmd for ObjectParameterSlot - added ::nx::Object as default for "superclass" slot to make default superclass explicit - unified interface for getParameterOptions - extended regression test

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- nx.tcl: needsForwarder is true, when method "get" is specified on a slot - nx.tcl: Don't generate per-slot add/assign handlers, when not needed

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- removed deactivated slot optimizer

- 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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- nx.tcl: * new method requireClass to Combine two classes and return the more specialized one * make slot objects for parameter aliases and parameter forwarder instances of ObjectParameterSlot * get rid of attributes "isforward" and "isalias" and replace it by "dispositon" * complete list of predefined value checkers * we have now three approaches for providing parameter -object-filter and -object-method Approach 1: create RelationSlot with nosetter Approach 2: use parameter forwarder Approach 3: use parameter alias we switched from approach 1 to approach 3

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- handle spaces more carefully in [from|to]parameterSpec

- 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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- remove parameter option "opitional" when not needed

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- nx.tcl: defined method unknown as protected - nx.tcl: never pass "substdefault" to a setter - nx.tcl: define a minimal valuechecker any to suppress warnings for potential conflicts with non-positional parameters, when the values start with a dash