  

<table class="width100" style="width:100%;" data-cellspacing="1">
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<td colspan="6" class="form-title"><div class="center">
ETSI's Bug Tracker - Part 01: TTCN-3 Core Language
</div></td>
</tr>
<tr class="even">
<td colspan="6" class="form-title">View Issue Details</td>
</tr>
<tr class="odd">
<td colspan="6" class="print-spacer"><hr /></td>
</tr>
<tr class="even print-category">
<td class="print" width="16%">ID</td>
<td class="print" width="16%">Project</td>
<td class="print" width="16%">Category</td>
<td class="print" width="16%">View Status</td>
<td class="print" width="16%">Date Submitted</td>
<td class="print" width="16%">Last Update</td>
</tr>
<tr class="odd print">
<td class="print">0006448</td>
<td class="print">Part 01: TTCN-3 Core Language</td>
<td class="print">Technical</td>
<td class="print">public</td>
<td class="print">21-03-2013 10:31</td>
<td class="print">27-08-2014 13:17</td>
</tr>
<tr class="even">
<td colspan="6" class="print-spacer"><hr /></td>
</tr>
<tr class="odd print">
<td class="print-category">Reporter</td>
<td class="print">Tomas Urban</td>
<td colspan="4" class="print"> </td>
</tr>
<tr class="even print">
<td class="print-category">Assigned To</td>
<td class="print">Ina Schieferdecker</td>
<td colspan="4" class="print"> </td>
</tr>
<tr class="odd print">
<td class="print-category">Priority</td>
<td class="print">normal</td>
<td class="print-category">Severity</td>
<td class="print">minor</td>
<td class="print-category">Reproducibility</td>
<td class="print">have not tried</td>
</tr>
<tr class="even print">
<td class="print-category">Status</td>
<td class="print">closed</td>
<td class="print-category">Resolution</td>
<td class="print">fixed</td>
<td colspan="2" class="print"> </td>
</tr>
<tr class="odd print">
<td class="print-category">Platform</td>
<td class="print"></td>
<td class="print-category">OS</td>
<td class="print"></td>
<td class="print-category">OS Version</td>
<td class="print"></td>
</tr>
<tr class="even print">
<td class="print-category">Product Version</td>
<td class="print"></td>
<td colspan="4" class="print"> </td>
</tr>
<tr class="odd">
<td class="print-category">Target Version</td>
<td class="print">v4.6.1 (published 2014-06)</td>
<td class="print-category">Fixed in Version</td>
<td class="print">v4.6.1 (published 2014-06)</td>
<td colspan="2" class="print"> </td>
</tr>
<tr class="even print">
<td class="print-category">Clause Reference(s)</td>
<td colspan="4" class="print">16.1.3</td>
<td></td>
</tr>
<tr class="odd print">
<td class="print-category">Source (company - Author)</td>
<td colspan="4" class="print">Elvior</td>
<td></td>
</tr>
<tr class="even">
<td colspan="6" class="print-spacer"><hr /></td>
</tr>
<tr class="odd print">
<td class="print-category">Summary</td>
<td colspan="5" class="print">0006448: Rules for external function
parameters</td>
</tr>
<tr class="even print">
<td class="print-category">Description</td>
<td colspan="5" class="print">There's a mismatch between external
function syntactical structure and restrictions. The syntactical part
allows to use port and timer parameters, but the restriction a) says
that no port or timer operations are allowed inside external
functions.<br />
<br />
Proposal:<br />
External functions should have the same restrictions as signatures, i.e.
only value parameters shall be allowed (with component and default type
forbidden). Port, template and timer parameters shall be completely
forbidden. That's because the parameters are typically passed over TRI
in an encoded form and ports, timers, components, default values and
matching symbols cannot be encoded.<br />
<br />
If the above mentioned proposal is not acceptable, something has to be
done with the TRI, because its current form is not capable of passing
ports, timers, components, default values and matching symbols to the
PA.</td>
</tr>
<tr class="odd print">
<td class="print-category">Steps To Reproduce</td>
<td colspan="5" class="print"></td>
</tr>
<tr class="even print">
<td class="print-category">Additional Information</td>
<td colspan="5" class="print"></td>
</tr>
<tr class="odd print">
<td class="print-category">Tags</td>
<td colspan="5" class="print">No tags attached.</td>
</tr>
<tr class="even print">
<td class="print-category">Relationships</td>
<td colspan="5" class="print"><table data-border="0" width="100%"
data-cellpadding="0" data-cellspacing="1">
<tbody>
<tr class="odd">
<td class="print"><span class="nowrap">related to</span> </td>
<td class="print">0006793</td>
<td class="print">closed </td>
<td class="print"><span class="nowrap"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=659">Tomas
Urban</a></span> </td>
<td class="print">Part 06: TTCN-3 Control Interface </td>
<td class="print">Value Interface is underspecified/inconsistent for
Templates </td>
</tr>
</tbody>
</table></td>
</tr>
<tr class="odd print">
<td class="print-category">Attached Files</td>
<td colspan="5" class="print"><img
src="http://oldforge.etsi.org/mantis/images/fileicons/doc.gif"
alt="doc" /> CR6448_resolution_v1.doc (178,176) <span
class="italic">12-07-2013 11:50</span><br />
http://oldforge.etsi.org/mantis/file_download.php?file_id=2846&amp;type=bug<br />
<img src="http://oldforge.etsi.org/mantis/images/fileicons/doc.gif"
alt="doc" /> CR6448_resolution_v2.doc (179,200) <span
class="italic">12-07-2013 12:00</span><br />
http://oldforge.etsi.org/mantis/file_download.php?file_id=2847&amp;type=bug</td>
</tr>
<tr class="even">
<td colspan="6" class="print-spacer"><hr /></td>
</tr>
<tr class="odd">
<td class="form-title">Issue History</td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr class="even print-category">
<td class="row-category-history">Date Modified</td>
<td class="row-category-history">Username</td>
<td class="row-category-history">Field</td>
<td class="row-category-history">Change</td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">21-03-2013 10:31</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=659">Tomas
Urban</a></td>
<td class="print">New Issue</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">21-03-2013 10:31</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=659">Tomas
Urban</a></td>
<td class="print">Clause Reference(s)</td>
<td class="print">=&gt; 16.1.3</td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">21-03-2013 10:31</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=659">Tomas
Urban</a></td>
<td class="print">Source (company - Author)</td>
<td class="print">=&gt; Elvior</td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">08-07-2013 15:16</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a></td>
<td class="print">Status</td>
<td class="print">new =&gt; assigned</td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">08-07-2013 15:16</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a></td>
<td class="print">Assigned To</td>
<td class="print">=&gt; Gyorgy Rethy</td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">08-07-2013 18:05</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=127">Gyorgy
Rethy</a></td>
<td class="print">Target Version</td>
<td class="print">=&gt; v4.6.1 (published 2014-06)</td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">09-07-2013 09:43</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=127">Gyorgy
Rethy</a></td>
<td class="print">Note Added: 0011455</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">09-07-2013 13:34</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=508">Jacob
Wieland - Spirent</a></td>
<td class="print">Note Added: 0011466</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">09-07-2013 13:37</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=508">Jacob
Wieland - Spirent</a></td>
<td class="print">Note Added: 0011467</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">10-07-2013 09:01</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=127">Gyorgy
Rethy</a></td>
<td class="print">Note Added: 0011492</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">10-07-2013 09:23</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=508">Jacob
Wieland - Spirent</a></td>
<td class="print">Note Added: 0011494</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">10-07-2013 12:04</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=127">Gyorgy
Rethy</a></td>
<td class="print">Note Edited: 0011455</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">10-07-2013 12:12</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=127">Gyorgy
Rethy</a></td>
<td class="print">Note Added: 0011498</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">10-07-2013 12:24</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=127">Gyorgy
Rethy</a></td>
<td class="print">Note Added: 0011499</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">10-07-2013 14:09</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=508">Jacob
Wieland - Spirent</a></td>
<td class="print">Note Added: 0011503</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">10-07-2013 14:10</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=508">Jacob
Wieland - Spirent</a></td>
<td class="print">Note Added: 0011504</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">12-07-2013 10:34</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=127">Gyorgy
Rethy</a></td>
<td class="print">Note Added: 0011569</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">12-07-2013 11:50</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=127">Gyorgy
Rethy</a></td>
<td class="print">File Added: CR6448_resolution_v1.doc</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">12-07-2013 11:51</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=127">Gyorgy
Rethy</a></td>
<td class="print">Assigned To</td>
<td class="print">Gyorgy Rethy =&gt; Jacob Wieland - Spirent</td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">12-07-2013 11:51</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=127">Gyorgy
Rethy</a></td>
<td class="print">Status</td>
<td class="print">assigned =&gt; confirmed</td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">12-07-2013 12:00</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=508">Jacob
Wieland - Spirent</a></td>
<td class="print">File Added: CR6448_resolution_v2.doc</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">12-07-2013 12:00</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=508">Jacob
Wieland - Spirent</a></td>
<td class="print">Status</td>
<td class="print">confirmed =&gt; assigned</td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">12-07-2013 12:01</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=508">Jacob
Wieland - Spirent</a></td>
<td class="print">Note Added: 0011575</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">12-07-2013 12:01</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=508">Jacob
Wieland - Spirent</a></td>
<td class="print">Assigned To</td>
<td class="print">Jacob Wieland - Spirent =&gt; Gyorgy Rethy</td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">12-07-2013 12:01</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=508">Jacob
Wieland - Spirent</a></td>
<td class="print">Status</td>
<td class="print">assigned =&gt; confirmed</td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">12-07-2013 12:24</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=127">Gyorgy
Rethy</a></td>
<td class="print">Assigned To</td>
<td class="print">Gyorgy Rethy =&gt; Ina Schieferdecker</td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">12-07-2013 12:24</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=127">Gyorgy
Rethy</a></td>
<td class="print">Status</td>
<td class="print">confirmed =&gt; resolved</td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">12-07-2013 12:24</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=127">Gyorgy
Rethy</a></td>
<td class="print">Resolution</td>
<td class="print">open =&gt; fixed</td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">12-07-2013 14:19</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=81">Ina
Schieferdecker</a></td>
<td class="print">Status</td>
<td class="print">resolved =&gt; closed</td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">12-07-2013 14:19</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=81">Ina
Schieferdecker</a></td>
<td class="print">Fixed in Version</td>
<td class="print">=&gt; v4.6.1 (published 2014-06)</td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">27-08-2014 13:17</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=508">Jacob
Wieland - Spirent</a></td>
<td class="print">Relationship added</td>
<td class="print">related to 0006793</td>
<td></td>
<td></td>
</tr>
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</tr>
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<td colspan="2" class="print-spacer"><hr /></td>
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<td class="nopad" data-valign="top" width="20%"><table class="hide"
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<tr class="odd">
<td class="print">(0011455)</td>
</tr>
<tr class="even">
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=127">Gyorgy
Rethy</a>   </td>
</tr>
<tr class="odd">
<td class="print">09-07-2013 09:43   <br />
(edited on: 10-07-2013 12:04)</td>
</tr>
</tbody>
</table></td>
<td class="nopad" data-valign="top" width="85%"><table class="hide"
data-cellspacing="1">
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<td class="print">My proposal:<br />
1) Disallow port, timer, component and default (template pars is
discussed in item 2 below).<br />
change the BNF:<br />
233.ExtFunctionDef ::= ExtKeyword FunctionKeyword Identifier "("
[ExtFunctionFormalParList] ")" [ReturnType] /* Gyorgy: Ext... is added
to FunctionFormalParList */<br />
234.ExtKeyword ::= "external"<br />
/* Gyorgy: new terminals */<br />
235.ExtFunctionFormalParList ::= ExtFunctionFormalPar {","
ExtFunctionFormalPar}<br />
236.ExtFunctionFormalPar ::= FormalValuePar | FormalTemplatePar<br />
<br />
Change clause 16.1.3 External functions, restriction a) to:<br />
a) External functions shall have value and template formal parameters
only and are not allowed to contain component, port, timer or default
handling operations.<br />
<br />
<br />
2) Passing template parameters to external functions is used in code
today, forbidding this would be backward incompatible. In some cases at
functional testing both sending and receiving templates are created
dynamically, sometimes using external functions, e.g. to handle data
stored in databases, test management systems etc. These external
functions may return ? or * in inout parameters, for example because
this is explicitly specified by the user (pls. note, it not possible to
check in TTCN-3 today, if a field or template contains matching, it has
to be decided within the external function) or e.g. the field does not
have a corresponding data in the database. It has to be discussed how to
encode matching mechanisms, instead of restricting the usability of the
language.<br />
<br />
</td>
</tr>
</tbody>
</table></td>
</tr>
<tr class="even">
<td colspan="2" class="print-spacer"><hr /></td>
</tr>
<tr class="odd">
<td class="nopad" data-valign="top" width="20%"><table class="hide"
data-cellspacing="1">
<tbody>
<tr class="odd">
<td class="print">(0011466)</td>
</tr>
<tr class="even">
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=508">Jacob
Wieland - Spirent</a>   </td>
</tr>
<tr class="odd">
<td class="print">09-07-2013 13:34   </td>
</tr>
</tbody>
</table></td>
<td class="nopad" data-valign="top" width="85%"><table class="hide"
data-cellspacing="1">
<colgroup>
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<td class="print">the problem is more how to determine the presence and
kinds of matching mechanisms in the template to be encoded (if
necessary).<br />
<br />
In my experience, though, external functions are implemented with a
pseudo-encoding for the parameters anyway (just encoding some reference
to the actual value/template) which later on led to the XTRI approach
where no encoding is necessary.<br />
<br />
Still, it could be useful to make information about the mechanisms at
runtime accessible. Internally it needs to be accessible for logging
purposes anyway so this information just needs to be exposed via a
standardized API.</td>
</tr>
</tbody>
</table></td>
</tr>
<tr class="even">
<td colspan="2" class="print-spacer"><hr /></td>
</tr>
<tr class="odd">
<td class="nopad" data-valign="top" width="20%"><table class="hide"
data-cellspacing="1">
<tbody>
<tr class="odd">
<td class="print">(0011467)</td>
</tr>
<tr class="even">
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=508">Jacob
Wieland - Spirent</a>   </td>
</tr>
<tr class="odd">
<td class="print">09-07-2013 13:37   </td>
</tr>
</tbody>
</table></td>
<td class="nopad" data-valign="top" width="85%"><table class="hide"
data-cellspacing="1">
<tbody>
<tr class="odd">
<td class="print">Also, I see no reason why to restrict the parameters
on ports, timers and components (or even default). For these, there are
actual entities present in TRI(TriComponentId, TriPortId, TriTimerId),
just not in the current value-universe (which would have to be enlarged
for those).</td>
</tr>
</tbody>
</table></td>
</tr>
<tr class="even">
<td colspan="2" class="print-spacer"><hr /></td>
</tr>
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<td class="print">(0011492)</td>
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<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=127">Gyorgy
Rethy</a>   </td>
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<td class="print">10-07-2013 09:01   </td>
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<td class="print">The reason of forbidding port, timer, component and
default parameters is not technical. These active TTCN-3 objects
determine the component behaviour e.g. the snapshots, and we do not want
that the user changes the state of these objects outside of the TTCN-3
code. These objects shall be under the control of the TE to secure tool
robustness and stability.</td>
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<td class="print">(0011494)</td>
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<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=508">Jacob
Wieland - Spirent</a>   </td>
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<td class="print">10-07-2013 09:23   </td>
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<td class="print">since there will always be ways around this access
restriction (by giving pseudo-references to these objects to the TRI
instead of the actual values and then letting the tool de-reference
these references again) I don't think that such a restriction helps very
much, it just makes code more complicated in case that you do need
access to this kind of thing (and know what you are doing).<br />
<br />
What should be standardized should be the same restriction as in the
language itself that the Test Adaptation needs to adhere to, i.e. no
state-changing operations during a snapshot. Why read-access should be
restricted is beyond me.</td>
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<td class="print">(0011498)</td>
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<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=127">Gyorgy
Rethy</a>   </td>
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<td class="print">10-07-2013 12:12   </td>
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<td class="print">If the user or a tool vendor wants to make its test
system hard to control (potentially unstable) and hard to debug, by
hacking it, this is his or her problem. The decision was many years ago
that the language shall not support doing this.<br />
<br />
The decision was that TTCN-3 active objects shall remain under the full
control of the TTCN-3 tool. The CR does not require and not reasoning to
change this decision, just requests making the BNF consistent with the
above decision.</td>
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<td class="print">(0011499)</td>
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<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=127">Gyorgy
Rethy</a>   </td>
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<td class="print">10-07-2013 12:24   </td>
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<td class="print">STF decision 2013-07-10: Proposed solution is OK,
change the BNF as proposed by Gyorgy, allow template parameters and add
TRI encoding for matching mechanisms: approach should be similar to TLI:
distinc the very basic matching mechanism like ? and *, and the rest
should be strings.</td>
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<td class="print">(0011503)</td>
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<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=508">Jacob
Wieland - Spirent</a>   </td>
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<td class="print">10-07-2013 14:09   </td>
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<td class="print">before adding this new restriction which would
introduce possible backward incompatibility for existing test suites, we
should ask the tool vendors if they know if this feature (of ports or
timers as parameters) is used anywhere.</td>
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<td class="print">(0011504)</td>
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<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=508">Jacob
Wieland - Spirent</a>   </td>
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<td class="print">10-07-2013 14:10   </td>
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<td class="print">Also, we should clarify what timer and port handling
operations are (I guess it should be all operation ts that change the
state of a port or timer) that are disallowed to be used by external
functions.</td>
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<td class="print">(0011569)</td>
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<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=127">Gyorgy
Rethy</a>   </td>
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<td class="print">12-07-2013 10:34   </td>
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<td class="print">OK, Jacob is correct, it could be better to keep
backward compatibility and instead of a new restriction allow operations
that do not make harm to the test system. See my first draft text
proposal in CR6448_resolution_v1.doc.</td>
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<td class="print">(0011575)</td>
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<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=508">Jacob
Wieland - Spirent</a>   </td>
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<td class="print">12-07-2013 12:01   </td>
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<td class="print">apart from some generalization (because now we allow
also templates in component types) in 16.1. restriction i), it's fine
with me</td>
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