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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>
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<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>
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<tr class="odd print">
<td class="print">0003379</td>
<td class="print">Part 01: TTCN-3 Core Language</td>
<td class="print">Clarification</td>
<td class="print">public</td>
<td class="print">16-05-2008 09:31</td>
<td class="print">18-07-2008 10:56</td>
</tr>
<tr class="even">
<td colspan="6" class="print-spacer"><hr /></td>
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<tr class="odd print">
<td class="print-category">Reporter</td>
<td class="print">Thomas DeiÃŸ</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">N/A</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">v4.1.1 (published 2009-06)</td>
<td class="print-category">Fixed in Version</td>
<td class="print">v4.1.1 (published 2009-06)</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">clauses 15, 10, 11, 8.2.1</td>
<td></td>
</tr>
<tr class="odd print">
<td class="print-category">Source (company - Author)</td>
<td colspan="4" class="print">Nokia Siemens Networks, Thomas DeiÃŸ</td>
<td></td>
</tr>
<tr class="even">
<td colspan="6" class="print-spacer"><hr /></td>
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<tr class="odd print">
<td class="print-category">Summary</td>
<td colspan="5" class="print">0003379: Cyclic definitions</td>
</tr>
<tr class="even print">
<td class="print-category">Description</td>
<td colspan="5" class="print">It is not clear from part1 to which cyclic
definitions are erroneous.<br />
<br />
For types and functions/altsteps this is explicitly allowed. Whereas for
component type extension and template modification it is explicitly
forbidden.<br />
<br />
For constants, modulepars, variables, and templates in general this is
not clear. Consider the following the example:<br />
<br />
module CyclicConstants {<br />
<br />
//const charstring x := "la" &amp; y; //no finite value<br />
//const charstring y := x;<br />
  <br />
  type record ab {<br />
    integer a,<br />
    integer b<br />
  }<br />
<br />
  const ab AB := { a := 1, b := BA.a }; //{1,2}<br />
  const ab BA := { a := 2, b := AB.a }; //{2,1}<br />
}<br />
<br />
Obviously, the definition of x and y is incorrect as there is no
corresponding finite value. But for AB and BA there are finite values as
indicated.<br />
<br />
I suggest to add a restriction to the corresponding clauses for
constants, modulepars, variables, and templates in general that cyclic
definitions are not allowed and that cycles are determined on the level
of the used identifiers. In the example above it would be checked
whether there is a cycle AB -&gt; BA -&gt; AB.<br />
<br />
The restriction could be similar to the one for modified
templates:<br />
clause 15.5, restriction a) a) A modified template shall not refer to
itself, either directly or indirectly, i.e. recursive derivation is not
allowed.</td>
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<tr class="odd print">
<td class="print-category">Steps To Reproduce</td>
<td colspan="5" class="print"></td>
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<tr class="even print">
<td class="print-category">Additional Information</td>
<td colspan="5" class="print"></td>
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<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"></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" /> CR-3379-Resolution-JG-080716.doc (160,256) <span
class="italic">16-07-2008 12:08</span><br />
http://oldforge.etsi.org/mantis/file_download.php?file_id=1552&amp;type=bug<br />
<img src="http://oldforge.etsi.org/mantis/images/fileicons/doc.gif"
alt="doc" /> CR-3379-Resolution-JG-TD-080718.doc (148,480) <span
class="italic">18-07-2008 08:40</span><br />
http://oldforge.etsi.org/mantis/file_download.php?file_id=1555&amp;type=bug<br />
<img src="http://oldforge.etsi.org/mantis/images/fileicons/doc.gif"
alt="doc" /> CR-3379-Resolution-JG-TD-IS-080719.doc (153,088) <span
class="italic">18-07-2008 10:55</span><br />
http://oldforge.etsi.org/mantis/file_download.php?file_id=1567&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>
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<tr class="odd print">
<td class="print">16-05-2008 09:31</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=112">Thomas
DeiÃŸ</a></td>
<td class="print">New Issue</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">16-05-2008 09:31</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=112">Thomas
DeiÃŸ</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">16-05-2008 09:31</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=112">Thomas
DeiÃŸ</a></td>
<td class="print">Assigned To</td>
<td class="print">=&gt; Thomas DeiÃŸ</td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">16-05-2008 09:31</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=112">Thomas
DeiÃŸ</a></td>
<td class="print">Clause Reference(s)</td>
<td class="print">=&gt; clauses 15, 10, 11, 8.2.1</td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">16-05-2008 09:31</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=112">Thomas
DeiÃŸ</a></td>
<td class="print">Source (company - Author)</td>
<td class="print">=&gt; Nokia Siemens Networks, Thomas DeiÃŸ</td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">16-05-2008 09:32</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=112">Thomas
DeiÃŸ</a></td>
<td class="print">Project</td>
<td class="print">TTCN-3 Change Requests =&gt; Part 01: TTCN-3 Core
Language</td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">16-05-2008 09:33</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=112">Thomas
DeiÃŸ</a></td>
<td class="print">Assigned To</td>
<td class="print">Thomas DeiÃŸ =&gt; Ina Schieferdecker</td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">20-06-2008 13:46</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=112">Thomas
DeiÃŸ</a></td>
<td class="print">Note Added: 0006047</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">14-07-2008 15:23</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=81">Ina
Schieferdecker</a></td>
<td class="print">Assigned To</td>
<td class="print">Ina Schieferdecker =&gt; Jens Grabowski</td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">16-07-2008 12:08</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a></td>
<td class="print">File Added: CR-3379-Resolution-JG-080716.doc</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">16-07-2008 12:09</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a></td>
<td class="print">Note Added: 0006295</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">16-07-2008 12:09</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">Jens Grabowski =&gt; Thomas DeiÃŸ</td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">18-07-2008 08:40</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=112">Thomas
DeiÃŸ</a></td>
<td class="print">File Added: CR-3379-Resolution-JG-TD-080718.doc</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">18-07-2008 08:42</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=112">Thomas
DeiÃŸ</a></td>
<td class="print">Note Added: 0006318</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">18-07-2008 08:42</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=112">Thomas
DeiÃŸ</a></td>
<td class="print">Assigned To</td>
<td class="print">Thomas DeiÃŸ =&gt; Ina Schieferdecker</td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">18-07-2008 08:42</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=112">Thomas
DeiÃŸ</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">18-07-2008 10:55</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=81">Ina
Schieferdecker</a></td>
<td class="print">File Added:
CR-3379-Resolution-JG-TD-IS-080719.doc</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">18-07-2008 10:56</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">assigned =&gt; closed</td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">18-07-2008 10:56</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; Edition 4.1.1 (not yet published)</td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">18-07-2008 10:56</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=81">Ina
Schieferdecker</a></td>
<td class="print">Target Version</td>
<td class="print">=&gt; Edition 4.1.1 (not yet published)</td>
<td></td>
<td></td>
</tr>
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<td colspan="2" class="form-title">Notes</td>
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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"
data-cellspacing="1">
<tbody>
<tr class="odd">
<td class="print">(0006047)</td>
</tr>
<tr class="even">
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=112">Thomas
DeiÃŸ</a>   </td>
</tr>
<tr class="odd">
<td class="print">20-06-2008 13:46   </td>
</tr>
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<td class="print">Consider also the example, is this allowed or is this
not allowed because the declarations can be considered as cyclic?<br />
<br />
type integer X (three, four);<br />
  <br />
const X three := 3;<br />
const X four := 4;</td>
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</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">(0006295)</td>
</tr>
<tr class="even">
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a>   </td>
</tr>
<tr class="odd">
<td class="print">16-07-2008 12:09   </td>
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<td class="nopad" data-valign="top" width="85%"><table class="hide"
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<td class="print">Proposal for Resolution attached.</td>
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data-cellspacing="1">
<tbody>
<tr class="odd">
<td class="print">(0006318)</td>
</tr>
<tr class="even">
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=112">Thomas
DeiÃŸ</a>   </td>
</tr>
<tr class="odd">
<td class="print">18-07-2008 08:42   </td>
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<td class="print">CR will be resolved as new clause 5.5. First proposal
updated accordingly.<br />
Reference to clause 5 to be added to each restriction.</td>
</tr>
</tbody>
</table></td>
</tr>
</tbody>
</table>
