nsf.c

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- implement escaping for comma in value of parameter options: escaping in values can be achived via duplicating the comma. - extend regression test

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- explorative implementation of object method dispatches with KEEP_CALLER_SELF and no NSF_PER_OBJECT_DISPATCH - extend regression test

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nsf.c: - refactor ObjectCmdMethodDispatch() for clarity - prepare work on object method dispatches with KEEP_CALLER_SELF and no NSF_PER_OBJECT_DISPATCH

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- fix off-by-one error

- fix typo

nsf.c: - generalize stack monitor by handling growing and shrinking stacks - refactor into funciton CheckCStack()

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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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- 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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- improve error message to indicate, that nsf refuses to overwrite (redefine) some cmds

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

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- reduce variable scope

- 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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- Cleanup for compilation under MSC (avoid unsupported forward declaration of array) - further documentation of functions, better grouping of functions

- C89/C99 do not allow forward declaration of arrays with "static" storage classifiers (a feature which is a gcc extension only). For MSVC compat, I fixed these occurrences and verified that nsf builds with "gcc -std=c89 -pedantic". - generic/gentclAPI.tcl: Modified the print statements for two array forward declarations (method_definitions, enumeratorConverterEntries)

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- 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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- 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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Merge branch 'master' of ssh://alice.wu-wien.ac.at/usr/local/src/git-repo/nsf

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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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- Used "gcc -ansi" to test ANSI compatibility (with MSVC in mind) - generic/nsf.c, generic/nsfShadow.c: Fixed some non-ANSI comments - generic/nsfError.c: Relocated a declaration to the beginning of the scope block (MSVC shouted here) - generic/nsfInt.h: Made sure that NSF_INLINE is only set in non-ANSI gcc builds, added a tiny portability wrapper for va_copy (to support MSVC and the gcc/clang ANSI mode)

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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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