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returns.test

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Monday 19 Dec 2022
6:49 pm

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

New feature: added support for return value checker for nsf::proc

One can now specify "-returns ...." in nsf::proc commands the same way

as in nx/XOTcl2 methods.

nsf::proc ... /procName/ /arguments/ ?-returns /valueconstraint/? /body/

When return value checkers are defined, these are returned by the

usual introspection interface.

% nsf::proc ::foo {-a:integer} -returns integer {return 1}

% nsf::cmd::info definition ::foo

::nsf::proc ::foo -a:integer -returns integer {return 1}

% nsf::cmd::info returns ::foo

integer

The regression test was extended to cover these cases.

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  2. … 5 more files in changeset.
Saturday 17 Dec 2022
7:54 pm

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

Fix bug, where Tcl's "string is" checker modified result, when used as a return value checker

The new code saves and restores the original result value.

The regression test was extended.

Many thanks to Antonio Pisano for pointing out this issue.

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Tuesday 30 Apr 2019
4:18 pm

Stefan Sobernig <stefan.sobernig@wu.ac.at>

* tests/*.test: Add 'package prefer latest' to remaining test files.

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Sunday 24 Dec 2017
12:59 pm

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

Fix typos

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Friday 21 Apr 2017
12:15 pm

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

Improve spelling

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Tuesday 25 Feb 2014
12:59 pm

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

nsf.c: - change name of enumeratorConverterEntry to Nsf_EnumeratorConverterEntry, move it with NSF_ARG_* flags to tcl.h to make it available in derived modules using the converter - Added editor hints for a more uniform appearance

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Friday 07 Jun 2013
11:58 am

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

- use tcl8.5 commands instead of 8.4 idioms

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Thursday 06 Jun 2013
9:57 am

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

nx::test: - change test cases to newer interface - don't use "namespace import nx::*" in test cases when not required

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Thursday 16 May 2013
10:19 am

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

- Method and configure parameter reform

/cls/ info configure parameters ?pattern? -> list of params

/cls/ info configure syntax -> syntax output

/obj/ info method parameters /methodName/ ?/pattern/? -> list of params

/obj/ info method syntax -> syntax output

/obj/ info lookup configure parameter ?/pattern/? -> list of params

/obj/ info lookup configure syntax -> syntax output

/cls/ info parameter list|name|syntax /param/ -> value

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Tuesday 23 Apr 2013
2:16 pm

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

Object-method Reform: - changed interface to object specific commands by requiring an ensemble named "object". The rational behind is essentially to use always the same info command to retrieve object specific methods, no matter whether these are defined on a plain object or an a class object (does not break the "contract" what e.g. "info method" returns).

Now we define methods via:

/cls/ method foo {args} {...body...}

/cls/ object method foo {args} {...body...}

/obj/ object method foo {args} {...body...}

Similarly, aliases, forwards and mixins are defined, e.g.

/cls/ mixin add ...

/cls/ object mixin add ...

/obj/ object mixin add ...

/obj/ require object method ...

The same change propagated as well to the "info" method.

Now we have:

/cls/ info methods ...

/cls/ info object methods ...

/obj/ info object methods ...

Similar, the object parametererization uses

/cls/ create obj -object-mixin M

/cls/ create obj -object-filter f

/metacls/ create cls -mixin M1 -object-mixin M2

/metacls/ create cls -filter f1 -object-filter f2

- as a consequence,

a) "/cls/ class method ...",

"/cls/ class alias ...",

"/cls/ class forward ...",

"/cls/ class filter ...",

"/cls/ class mixin ...",

"/cls/ class info ..."

"/obj/ class method require method ..."

"/obj/ class method require public method ..."

"/obj/ class method require protected method ..."

"/obj/ class method require private method ..."

were dropped

b) "/obj/ method ....",

"/obj/ alias ....",

"/obj/ forward ...."

"/obj/ filter ...."

"/obj/ mixin ...."

"/obj/ info method*"

"/cls/ create obj -mixin M"

"/cls/ create obj -filter f"

"/obj/ method require method ..."

"/obj/ method require public method ..."

"/obj/ method require protected method ..."

"/obj/ method require private method ..."

were dropped

- added package nx::class to allow optionally the "class" notation

"/cls/ class method ..." (and friends, see (a)), and

"/cls/ class info ...

- added package nx::plain-object-method to allow optionally plain method

b) "/obj/ method ...." (and friends, see (b))

- add support to slots to use ensemble methods as setters

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Tuesday 03 May 2011
11:47 am

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

- test.tcl: * don't export Test per-default * define Test as nx::Test * make Test parameter count 1 the default, change to higher numbers where needed

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Friday 18 Mar 2011
12:31 pm

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

* Hopefully the last big naming change: Instead of writing "C class-object method foo {} {...}" one can write now "C class method foo {} {...}" to define a class method named "foo" for class "C". This naming change became possible by defining XOTcl's "class" (and "superclass") as object parameter only. To change a class of an object o, one has to use "o configure -class NEWCLASS". The term "object-class" looks alien to language beginners, the term "class" is much more straightforward. Changing classes or superclasses is seldomly used by typicall application programs.

For already existing nx scripts, changing "object-class" into

class should be straightforward.

* various documentation updates (migration guide, nx tutorial)

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Tuesday 01 Mar 2011
10:20 am

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

- changed named of method handling commands in nsf: ::nsf::methodproperty => ::nsf::method::property ::nsf::method => ::nsf::method::create ::nsf::methoddelete => ::nsf::method::delete ::nsf::alias => ::nsf::method::alias ::nsf::forward => ::nsf::method::forward ::nsf::setter => ::nsf::method::setter (updated regression test, docs, ...)

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Tuesday 14 Dec 2010
5:02 pm

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

- made error messages more consistent - improved error messages for "returns" and "nsf::is" (omit parameter name)

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Saturday 11 Dec 2010
7:32 pm

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

- added returns handling for nx in serializer - extended regression test

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6:43 pm

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

- extended regression test

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Friday 10 Dec 2010
12:29 pm

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

- quote name of referenced parameter in error message to ease reading - new parameter checker "parameter", performing an approximate checking for valid parameter specs - set NSF_ARG_CHECK_NONPOS only when there are multiple arguments - remove space checking for NSF_ARG_CHECK_NONPOS in favor of parameter checker

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Thursday 09 Dec 2010
9:56 am

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

- nsf.c: aquire parameter structure for returns more lazyly (otherwise, a serializer handling returns would aquire the structure for every argument) - extend regression test

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5:23 am

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

- Fixed an issue when accessing partly initialised NsfParamDefs (created e.g. by [::nsf::methodproperty ... returns]) from [info method] subcommands, previously leading to invalid memory accesses. Added a test to tests/returns.test. - Minor correction: xotcl2's method_handle_to_xotcl was not aware of the change to "class-object" as scope modifier.

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Saturday 27 Nov 2010
7:28 pm

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

- added regression test for forwarder and returns

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Friday 26 Nov 2010
10:00 am

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

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

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Thursday 25 Nov 2010
11:21 am

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

- 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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Thursday 28 Oct 2010
2:16 pm

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

- fixed langauge hooks for emacs

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Tuesday 26 Oct 2010
5:49 pm

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

- renamed nx regression tests .test to follow tcl conventions

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