TODO

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- serializer: * pertain perobjectdispatch and keepcallerself in serializer * extend regression test

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- serializer: * make [::Serializer deepSerialize -ignoreVarsRE "" $o] behave like [::Serializer deepSerialize $o], since learn@wu depends on that, and a value for ignoreVarsRE of empty looks more like an omitted value than a regular expression, that should match everything. * extended regression test

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- 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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- 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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- tcl86.test: better implementation of method "each", cleanup and extension of enumerator tests

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- extended regression tests for yield - implemented "next" for ruby-like enumerators (each needs still more work)

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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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documented dependencies between configure flags and feature activation cpp macros

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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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- treating incompatible forwarding to slot vs. slot option noaccessor - extended regression test

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

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- additional object parameter option "invokesetter" managed by nx.tcl This was necessary, since the previously implemented strategy called the setter whenever slot= was provided. This has the problem, that values could be converted twice (once by "configure", once by the setter method", which lead for the converter to a double refcounting on the value.

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- Forward setting of object parameters to the slot object, when assign method is user-defined on the slot object - Cleanup and extend regression test

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- Don't export symbols in the general case just because of MSC/C89 compliance

- updates

- changed object->flags from "unsigend short" to "unsigned int" - reintroduced NSF_TCL_DELETE to address bug flagged from memdebug - extended regression test

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doc: fixed line-number handling locally

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- removed documentation about incompatibility to XOTcl1 in respect of the method interface for object invocations

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- fixed NRE memory management (for Tcl 8.6) by refactoring alias handling

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- extend regression test for interactions between "keepcallerself" and "perobjectdispatch" - some minor cleanup

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- fixed potential crash from method caching, when permissions on cmds are changed and become e.g. unresolvable - removed flag allowmethoddispatch, since behavior can be achived via private flag. - extended regression test

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- deacitivate for the time being allowmethoddispatch (make it behave always like true) - added instead new flag "perobjectdispatch" to make behavior of ensembleobjects configurable. - The behavior for keepcallerself is currently only activated for the method-interface for object dispatch, since otherwise the following would be dangerous, since "o2 foo" would destroy o2 nx::Object create o1 nsf::object::property o1 keepcallerself true nx::Object create o2 { ::public method foo {} {o1 destroy} } o2 foo

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- nsf.c: start all error messages with a lower case word for consistency and to follow closer to Tcl's conventions

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- use alias-stubs for aliases pointing to objects. This allows us to distinguish between cases, where an object is dispatchable due to the alias or due to allowmethoddispatch (when the object happens to be a subobject and has therefore its cmd in the same namespace). The semantics are now: - aliases to objects are always dispatchable, no matter, how allowmethoddispatch is set. - direct subobjects of objects are currently on dispatchable when allowmethoddispatch is set.

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- alias reform: instead of calling first an alias with a stack frame followed by the dispatched of the aliased cmd, resolve aliases internally in dispatch. This has the advantage that we do not have to ignore the "transparent" stack frame in some sitations, and we have much less problems with the names of the aliased cmds (e.g. objects) in the introspection methods. Additionally, several problem cases disappeared from the regression test cases. In addition, the new approach is faster. - eliminating obsolete flag NSF_CSC_CALL_IS_TRANSPARENT

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- improve handling of multiple error messages in a single command

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