help/info/extension.html

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  13 <title>extension</title>
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  32 <h1>extension</h1>
  33 <hr align="left" width="75%">
  34 <p>The attribute is specified by the user.&nbsp;
  35 <p>In TITAN the following three arguments are specified:.&nbsp;
  36 <ul>
  37   <li>
  38   <p>internal<br>
  39   &nbsp; &nbsp;is appended to the port type definition if all instances of a TTCN–3 port type are intended to be used for internal communication only (i.e. between two TTCN–3 test components).</p>
  40   </li>
  41   <li>
  42   <p>address<br>
  43   &nbsp;&nbsp;is appended to the port type definition if the user wants to use <b><font face="Courier New"> address</font></b> values in TTCN–3 port operations.</p>
  44   </li>
  45   <li>
  46   <p>done<br>
  47   &nbsp;&nbsp; is appended to a function with <b><font face="Courier New"> runs</font></b> <b><font face="Courier New"> on</font></b> clause if the return value of that function must be retrieved
  48   after the corresponding component was stopped.</p>
  49   </li>
  50 </ul>
  51 <p>Related keywords:</p>
  52 <ul>
  53   <li><a href="with.html"><b><font face="Courier New" color="#003258" size="4">with</font></b></a></li>
  54   <li><a href="override.html"><b><font face="Courier New" color="#003258" size="4">override</font></b></a></li>
  55 </ul>
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  62     <h3 align="center"><font face="Courier New" color="#003258" size="5"><b>extension</b></font> [ <font face="Courier New" color="#003258" size="5"><b>override</b></font> ] [ <font
  63       face="Courier New" color="#003258" size="5"><b>(</b></font><i>qualifier</i><font face="Courier New" color="#003258" size="5"><b>)</b></font> ] <font face="Courier New" color="#003258" size="5"><b>&quot;</b></font><i>argument</i><b><font
  64       face="Courier New" color="#003258" size="5">&quot;</font></b></h3>
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  68 </center>
  69 </div>
  70 <ul>
  71   <li>
  72   <p>the optional <b><font face="Courier New">override</font></b> directive forces all contained types at all lower scopes to be forced to the specified attribute.</p>
  73   </li>
  74   <li>
  75   <p>the optional <i>qualifier</i> points out the entity for which the argument is valid.</p>
  76   </li>
  77   <li>
  78   <p><i>argument</i> is a free-text string specifying the actual attribute.</p>
  79   </li>
  80 </ul>
  81 <hr align="left" width="50%">
  82 <p>Example:
  83 <p><font face="Courier New">type port Vnitrni_PT message { inout octetstring } with { extension &quot;internal&quot;}</font></p>
  84 <p>The port called&nbsp; Vnitrni_PT both sends and receives octetstrings and is used for internal communication only.</p>
  85 <hr align="left" width="25%">
  86 <hr align="left" width="25%">
  87 <p><a HREF="BNF.html#attribkeyword">BNF definition</a> of <font face="Courier New"> extension</font></p>
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