On 29.07.2014 19:35, Rick McGuire wrote:
> No, it does NOT miss this. The "condition" part of the syntax diagram covers
> those situations, as
> the the statement "The RAISE instruction can raise all conditions that can be
> trapped". The
> syntax diagrams spells out SYNTAX, ERROR, and FAILURE as special as those
> conditions also require
> an argument.
Hmm, I see.
---rony
> On Tue, Jul 29, 2014 at 1:25 PM, Rony G. Flatscher <rony.flatsc...@wu.ac.at
> <mailto:rony.flatsc...@wu.ac.at>> wrote:
>
>
> On 29.07.2014 19:23, Rick McGuire wrote:
>>
>>
>>
>> On Tue, Jul 29, 2014 at 1:11 PM, Rony G. Flatscher
>> <rony.flatsc...@wu.ac.at
>> <mailto:rony.flatsc...@wu.ac.at>> wrote:
>>
>> Currently, I am looking deeper into the RAISE keyword instruction.
>> The reason being, that
>> conditions
>> trapped in a parallel thread (let us say #2) should be re-raised in
>> the (blocked) thread
>> (let us say
>> #1) that spun off the execution on a separate thread.
>>
>> It has been possible to secure the condition object in the parallel
>> thread #2 and upon return
>> (guarded wait) it is necessary to (re-)raise that very same
>> condition in thread #1 in the
>> context of
>> that method that caused the execution in a parallel thread.
>>
>> The easiest way to do that would be to enhance the RAISE keyword
>> instruction to accept a
>> condition
>> object which carries all information that should be used to re-raise
>> the condition like:
>> "RAISE
>> CONDITION condObj", where condObj is a condition object directory
>> (perhaps from ooRexx).
>> [Something
>> with the semantics of "raise propagate".]
>>
>> Short of that possibility I started out to analyze the condition
>> object for all
>> conditions that can
>> be trapped in ooRexx 4.2.0. Unfortunately the current RAISE keyword
>> instruction does not
>> allow for
>> RAISing all trappable the conditions, notabene the conditions:
>> "halt", "lostdigits",
>> "nomethod",
>> "nostring", "notready", "novalue".
>>
>>
>> RAISE is fully capable of raising all of those conditions.
> Ah, just tried it with notready and halt and they worked, super!
>
> The documentation in rexxref.pdf misses these, I will file a
> documentation bug.
>
> Thanks, Rick!
>
> ---rony
>
------------------------------------------------------------------------------
Infragistics Professional
Build stunning WinForms apps today!
Reboot your WinForms applications with our WinForms controls.
Build a bridge from your legacy apps to the future.
http://pubads.g.doubleclick.net/gampad/clk?id=153845071&iu=/4140/ostg.clktrk
_______________________________________________
Oorexx-devel mailing list
Oorexx-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/oorexx-devel
