nsf / generic

nsfStack.c

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Monday 04 Jul 2011
9:04 pm

ssoberni <stefan.sobernig@wu-wien.ac.at>

- nsfStack.c / CallStackMethodPath(): Providing a fix for reporting method paths correctly when dispatching to ensembles from alias parameters. Prior to that fix, the intermediate (and inactive) CMETHOD frame wrapping configure() calls caused [current methodpath]s to report empty string elements. Added some test cases. - nsf.c / ObjectDispatch(), DispatchUnknownMethod(): When testing objects as alias parameter targets, I found cases when the default (C-level) unknown handler was invoked upon. The result was an unknown message which reported the delegator object as "unknown" method! This was due to injecting the delegator object into the argument vector at position 0, subsequently used by the C-level unknown handler. First, I tried to make the C-level unknown handler aware of the ensemble call context (by funneling through the CSC and frame flags) but this turned out to be complicated to achieve this simple task. As an alternative, I suggest the following patch: The first argument in unknown calls is treated as a list, and dependening on the call context (ensemble vs. non-ensemble) contains all the necessary call data. For ensemble methods, it is the delegator object, the entire method path (as returned by [current methodpath]), and the actual unknown selector. The default C-level handler, treating the call info as list, resorts to reporting the last element of the list which is always the unknown selector. Custom (ensemble-level, application-level) unknown handler can wrap and further process the information as necessary. To demonstrate the usefulness, I rewrote EnsembleObject->unknown() accordingly. I checked for Tcl_Obj leaks. - Added some tests on objects as targets of alias object parameter. To be continued.

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Friday 25 Mar 2011
2:51 pm

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

* The newest trunk version of Tcl in fossil has TclStackFree() and TclStackAlloc() removed We had to substitute this functions. Unfortunately, the lifetime of the strack structures has changed, so we had shuffle some interals around.

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Monday 28 Feb 2011
10:53 am

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

DTrace: * added "nsf::configure dtrace on|off" for skipping package initialization (to be handled in D script) * make compliation clean

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Saturday 26 Feb 2011
5:46 pm

Gustaf Neumann <neumann@wu-wien.ac.at>

- dtrace improvements: * track objects in method invocations * trace result codes in method-return * add some dtrace sample scripts

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Friday 25 Feb 2011
2:38 pm

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

- first steps towards DTRACE support

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Tuesday 15 Feb 2011
10:23 am

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

- cleanup and documentation of nsf-specific interp state - nsf::configure: added an option "profile on|off" (per default off)

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Monday 07 Feb 2011
11:21 pm

Gustaf Neumann <neumann@wu-wien.ac.at>

- added profile support for nsf::proc

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Saturday 05 Feb 2011
4:09 am

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

- 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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Friday 04 Feb 2011
11:39 pm

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

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

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11:39 pm

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

- nsfStack.c: provide hook to obtain callers information in profiling code

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1:29 pm

ssoberni <stefan.sobernig@wu-wien.ac.at>

Adding buffer-local emacs settings to the *.c files

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Wednesday 02 Feb 2011
1:15 pm

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

- reanimated NSF_PROFILE

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Saturday 22 Jan 2011
5:10 pm

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

- nsf.c: changed handling of cmdPtrs in callstack content. * we use now explicit reference counting using NsfCommandPreserve/NsfCommandRelease * as a consequence, we do not need the following functions Nsf_DeleteCommandFromToken() and CallStackClearCmdReferences() any more. * the flag NSF_CSC_OBJECT_ACTIVATED is not needed anymore and was removed

- removed a small memory leak when a destroy method of an object o

deletes its grandparents namespace, containing also this class of o

(and its methods). Significantly eased by the change above.

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Friday 21 Jan 2011
3:08 pm

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

- new function Nsf_NextHashEntry() simular Tcl_NextHashEntry(), but handles triggered hash entry deletions - fixed reference count in AliasDeleteObjectReference()

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Sunday 16 Jan 2011
6:27 pm

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

- minor cleanup

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6:04 pm

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

- fixed potential access to freed memory (actually when checking if namespace was removed by Tcl); found this problem when compiling Tcl with SYSTEM_MALLOC (own modified version of tclThreadAlloc.c) - fixed memory leak (namespace names and structures)

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Tuesday 04 Jan 2011
2:54 pm

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

- defined UNUSED macro to get more checking on unused arguments

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2:13 pm

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

- removed leftover -public flag in nsf::method - general cleanup: removed unused arguments

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Sunday 26 Dec 2010
3:20 pm

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

- removed unneded functions: NsfComputePrecedence(), NsfComputeDependents(), Nsf_SetVar2Ex(), NsfOSetInstVar(), Nsf_ObjGetVar2(), NsfOGetInstVar(), qNsfCreateObject() - removed unneeded external declarations: NsfClassListAdd() NsfClassListFree() - make extern declarations explicit - grouped most extern definitions together - improved documentation - moved variable declarations to inner scopes - removed warning from cppcheck()

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Thursday 02 Dec 2010
11:51 am

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

- follow Tcl nameing convention (uppercase functions)

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Sunday 14 Nov 2010
7:12 pm

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

- perform relation handling in objectparameters outside of object-frame

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Monday 01 Nov 2010
10:20 pm

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

- show "unwind unstacked entry" message appear only when debug level>0 - removed fixed TODO entries

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Sunday 31 Oct 2010
12:12 am

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

- 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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Thursday 28 Oct 2010
7:37 pm

Gustaf Neumann <neumann@wu-wien.ac.at>

- impoved NsColonVarResolver, made some assumptions explicit

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7:05 pm

Gustaf Neumann <neumann@wu-wien.ac.at>

- 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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Wednesday 27 Oct 2010
11:01 am

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

- 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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Tuesday 26 Oct 2010
6:37 pm

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

- removed debugging from CscFinish when compiled without DEVELOPMENT

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1:07 pm

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

- fixed bug when calling aliased proc not via method interface - fixed bug when calling destroy in initcmd

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Monday 25 Oct 2010
1:54 pm

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

- added a few more small optimization. - code-generator: don't call argument parser, when no arguments are specified

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Saturday 23 Oct 2010
3:56 pm

Gustaf A. Neumann <neumann@Gustaf-A-Neumanns-iMac.local>

- removed bug-alert from nx.tcl (wrong false-positives for compiled locals in slots) - added a few small optimization. nsf appears to run on the shootout benchmark the same speed like a year ago (which much less functionality)

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