nx.tcl

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- nx: added "-returns" to forwarder

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- changed returns syntax from '->' to '-returns'

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- nx.tcl: removed debugging output - nx.tcl: added syntactic sugar to "method" and "alias" for return value checking. One can write now: Class create C { :public method foo {a:int b:int} -> int { return [expr {$a + $b}] } } - extended regression test

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- provide a more explicit way to handle resourcing after a "package forget" in the info methods (similar to Stefan's suggestion).

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- changed relation handling by evaluating the relationcmd in the parent context to keep evaluation order. - extend introspection "nsf::configure objectsystem": the command returns now all system methods in the syntax of nsf::createobjectsystem - "nsf::createobjectsystem" creates now a warning when an existing objectsystem is redefined and ignores the new definition attempt. This was done with the purpose to allow "package forget nx; package require nx" - Allow overwriting of redefine protected method during bootstrap to ease "package forget nx; package require nx" - forward had just "-objscope", no general "-frame method|object". Since forwarder have client data, they always push a method frame. So, the situation is different to nsd::alias and ::nsf::dispatch. Therefore, the flag "-objscope" was renamed to "-objectframe" to provide better consistency with "-frame object" - fixed bug, where error handling of invalid options in ForwardProcessOptions() could lead to a crash - return forwardoption "-earlybinding" via instrospection - extended regression test

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- disallow object parameter of type "switch" to avoid possible confusion between (a) providing a value for the o.p., (b) calling it as a setter, and (c) calling it as a getter. For providing a value, no arg is used for switch. For calling a setter, it is necessary to provide a value even for a switch. - disallow type "switch" in setter definiton (use boolean instead) - disallow type "switch" for positional arguments (use boolean instead) - extended regression test

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- added "nosetter" automatically, when attribute "<name>:method" is used

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- activated SKIP_LAMBDA in nsfCallstack. As a consequence, we disallow resolving self/my ... from tcl-proc frames (use uplevel if necessary, avoid "namespace eval")

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- fix wrong "self" inside contains

- added new contains definition based on "apply" instead of "namespace eval". Main intention is to replace SKIP_LEVELS by SKIP_LAMBDA - added functionality to use ":attribute contains:method,nosetter" - added regression test for contains and attributes of type method

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- fixed scoping issue, when "-volatile" was used for object creation - added regression test for interaction between filters and function resolver (and volatile) - reactivated new volatile test in destroy.test - undone temporary fixes for volatile in serializer and nx.tcl

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- changed CallStackGetActiveProcFrame() to return also CMETHD frames This allows to execute :volatile in a initcmd and to delete the object at its end. As a consequence, code like [CopyHandler new -volatile] copy [::nsf::self] $newName has to be changed to CopyHandler new { :copy [:uplevel ::nsf::self] [uplevel set newName] :destroy } - renamed CallStackUseActiveFrames() to CallStackUseActiveFrame() and ctx->framesSaved to ctx->frameSaved to reflect implementation

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- allowed public|protected for method deletion such as "Object public method foo {} {}" - removed defaultMethodCallProtection in alias test

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- removed bug-alert from nx.tcl (wrong false-positives for compiled locals in slots)

- implemented exported command ::nsf::self as fast conveniance replacement for "::nsf::current object".

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- use "nsf::configure debug" for value 1: compain about protected value >1: provide load messages for nx and xotcl - unset unneeded variables in ::nx namespace

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- fix requiredness of several info methods - added "nsf::configure debug ?level?"

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- renamed some arguments of tcl interface to increase consistency - make requiredness explicit for nsf::cmds - introduce ::nsf::parametersyntax to provide syntax for potentially missing definitions - provided ::nsf::parametersyntax for 3 ::nsf commands and 7 nx methods (from relationslots)

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- replaced "-objscope" and "-nonleaf" by "-frame object|method|default" for nsf::alias and nsf::default - added functionality for "-frame method" to nsf::dispatch - made the order of argument in ::nsf::alias and method "alias" the same (always first the method, then "-frame ...") - extened regression test

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- added support for aolserver (essentially Makefile + aol-xotcl.tcl) - removed unneded content from serializer output

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- Implemented built-in-converter for "baseclass" and "metaclass". Change in performance for this call. >8 times faster before: parameters/parametercheck.007: 19.49 mms, ::nsf::is baseclass C after: parameters/parametercheck.007: 2.32 mms, ::nsf::is baseclass C - remove scripted definition of "baseclass" and "metaclass"

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- changed option -expand in "info methods" and "info lookup methods" into "-path" to associate with the method path - changed method property name from "protected" to "call-protected" - changed nx::defaultMethodProtection to nx::defaultMethodCallProtection - nx::defaultAttributeProtection is used for scripted methods, forwarders and aliases - added nx::defaultAttributeProtection, used for setter and attributes

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- changed option -expand in "info methods" and "info lookup methods" into "-path" to associate with the method path

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- cleanup of __resolve_method_path - change TclShowStack into NsfShowStack() to avoid possible interference with the Tcl* namespace - made the following function static to avoid pollution of the global link namespace: CompiledColonVarFree(), GetRegObject(), ParamGetType()

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- Methodpaths can be used now in the definition of "method", "alias" and "forward." We do not support it for "setter" and "attribute", since these require a parameter spec, which does not have clear semantics for a method path. - scripted definition of nx::Object.forward and nx::Class.forward

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- added syntax "?arg ...?" in parametsyntax output for "args" - removed "info forward" from nx::Object and nx::Class (can be replaced by "info methods" and "info method")

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- allow %method in forwarder. - defined unknown methods as call-protected - make __default_method_protection protected

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- push stack frame before calling the defaultcmd of an ensemble object to make implementation more simple. - simplified EnsembleObject.defaultcmd and EnsembleObject.unknown significantly, scripted support methods are removed. - extended regression test

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- nsf::current: new option "methodpath", returns the full name of an ensemble method starting from the ensemble root. - documented functions in nfsStack.c - removed obsolete CallStackGetFrame(), replaced by CallStackGetTopFrame()

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- provide full set of ensemble methods from EnsembleObject.unknown (i.e. from all classes along the precedence order. It was necessary to pass calling object as first argument)

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