nsfError.c

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- Remove occurrences of deprecated Tcl Call Tcl_AppendResult() in overall code

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- don't compute string length twice

remove various code smells: - add const declarations - prefer boolean tests - don't write "for" loops without a block - don't pass non-initialized value in an array on index [0] - reduce variable scope - prefer single returns statements in functions - dont't use CONST unless defined by Tcl-API

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Promote log statement to Tcl panic

NsfDStringVPrintf: Make log statement conditional on NDEBUG

Rephrase err message

Suppress cppcheck warning: unused variable assignment

- minor cleanup

Improve documentation on NsfDStringVPrintf()

Another attempt to sort out the vs*printf() mess between runtimes

- fix potential memory corruption bug in NsfDStringVPrintf()

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- New macros NSF_nonnull_assert() and nonnull_assert() Background: The unreleased gcc6 with "-pedantic" complaints since recently about asserts, in which nonnull conditions implied by nonnull declarations are explicitly tested, and spits out warnings like ... warning: nonnull argument ... compared to NULL ... The new macros turns off asserts, when gcc6 is used.

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- prefer boolean expressions - reduce implicit conversions - wite body of if-statements as blocks - whitespace changes - update licenses

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- changed trace facility to append to a variable to minimize interactions for results and return codes, which happen via nsf::log. - added more convenient function for adding to DStrings: Nsf_DStringPrintf - renamed NsfDStringPrintf to NsfDStringVPrintf - replaced complex macros for tracing by functions

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- prefer const over CONST unless Tcl API

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- prefer boolean expression in tests over expressions of other types

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NsfDStringPrintf(): Fix vargs processing under VC 12

Done revising license statements in generic/*

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- white-space changes

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- fix name paths in error messages triggered from ArgumentParse()

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- move NsfMethodNamePath() out of NsfUnexpectedArgumentError() and NsfUnexpectedNonposArgumentError()

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- no need to call NsfMethodNamePath in NsfArgumentError()

- move NsfMethodNamePath() out of NsfUnexpectedArgumentError() and NsfUnexpectedNonposArgumentError()

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- move NsfMethodNamePath() out of NsfObjWrongArgs()

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nsf.c: - added options to filter output from ::nsf::cmd::info parameter options (args, syntax, parameter) - deleted: - "/obj/ info lookup configure parameters ?pattern?" - "/obj/ info lookup configure syntax" - added: - "/obj/ info lookup parameters /methodName/ ?pattern?" - "/obj/ info lookup syntax /methodName/ ?pattern?" This covers as well - "/obj/ info lookup parameters configure|create|new|... ?pattern?" - extend regression test

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nsf.c, gentclAPI.tcl: - new argument types "virtualobjectargs" and "virtualclassargs" for context-specific argument resolutions: when a context object is provided, arguments of type "virtualobjectargs" are determined based on the slots applicable for the object (like "... lookup ..."), arguments of type "virtualclassargs" are resolved against a class. These types are used as follows: /obj/ configure /virtualobjectargs/ /cls/ create /name/ /virtualclassargs/ /cls/ recreate /name/ /virtualclassargs/ /cls/ new ?-childof /obj/? /virtualclassargs/ This new feature allows us to provide better error messages and to make much of the "... info ... configure parameter ..." infrastructure much less important. - For "virtualclassargs" we need the functionality to obtain from the C-Code based on a class the configure parameters applicable to objects of this class. - add argument "-context ..." to "cmd::info" to pass the context object (so far the only place where the context-object is used) - object system configuration parameters changes: new: -class.configureparameter new: -object.configureparameter removed: -class.objectparameter

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- add asserts to nsfError.c

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- update more copyright notices

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- fix case, where NsfDStringPrintf() failed (when print llength including \0 was 1 byte longer than print buffer)

- At two or three locations, we used to compute the method path using different helpers (CallStackMethodPath, NsfMethodNamePath) etc. I tried to unify this by revising NsfMethodNamePath to accomodate the different uses.

- Besides, for required-argument checks, I included the method path

(for ensemble invocations) into the error messages.

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