help/info/group.html

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  13 <title>group</title>
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  29 <p><br clear="all">
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  31 <hr>
  32 <h1>group</h1>
  33 <hr align="left" width="75%">
  34 <p>In the module definitions part, definitions can be collected in named groups.
  35 <ul>
  36   <li>Groups may be nested i.e. groups may contain other groups;</li>
  37   <li>grouping is done to aid readability and to add logical structure to the module if required.;</li>
  38   <li>groups may have attributes;</li>
  39   <li>it is possible to selectively import definitions contained in a group.</li>
  40 </ul>
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  42   <tr>
  43     <td width="100%">
  44     <blockquote>
  45     <p><u>TITAN specific restriction compared to the standard:</u></p>
  46     </blockquote>
  47     <ul>
  48       <li>
  49       <p>&nbsp;The selective import of groups is not implemented. The keyword <a href="module.html"><b><font face="Courier New" color="#003258" size="4">import</font></b></a> is always treated as
  50       if it were <b><font face="Courier New" color="#003258" size="4">import all</font></b>.</p>
  51       </li>
  52     </ul>
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  56 <p>Related keywords:</p>
  57 <ul>
  58   <li><a href="module.html"><b><font face="Courier New" color="#003258" size="4">module</font></b></a></li>
  59   <li><a href="with.html"><b><font face="Courier New" color="#003258" size="4">with</font></b></a></li>
  60 </ul>
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  66     <td width="100%">
  67     <h3 align="center"><font face="Courier New" color="#003258" size="5"><b>group </b></font><i>group_identifier</i><font face="Courier New" color="#003258" size="5"><b>{</b></font>&nbsp;<i>
  68     definitions</i> <b><font face="Courier New" color="#003258" size="5">} </font></b>[ <font face="Courier New" color="#003258" size="5"><b>with </b></font><i>attributes</i> ]</h3>
  69     </td>
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  72 </center>
  73 </div>
  74 <ul>
  75   <li>
  76   <p>The <font face="Courier New" color="#003258" size="4"><b>group</b></font> keyword introduces the group definition.</p>
  77   </li>
  78   <li>
  79   <p><i>gropu_identifier</i> is the&nbsp;name used to refer to the module. Must begin with a letter, may contain letters, numbers and underscore characters.</p>
  80   </li>
  81   <li>
  82   <p><i>definitions</i> may contain any definition allowed in the <a href="module.html"><font face="Courier New" color="#003258" size="4"><b>module</b></font> </a> definition part.</p>
  83   </li>
  84   <li>
  85   <p><i>attributes:</i> see the keyword <b><font face="Courier New"><a href="with.html">with</a></font></b> for details.</p>
  86   </li>
  87 </ul>
  88 <hr align="left" width="50%">
  89 <p><a name="parametrized">Example</a>
  90 <p><font face="Courier New">group Skupina {<br>
  91 &nbsp;&nbsp;&nbsp;type enumerated Examplh {pondeli, utery, streda}<br>
  92 }</font><br>
  93 <p>The group Skupina contains one type definition (Examplh).</p>
  94 <hr align="left" width="25%">
  95 <hr align="left" width="25%">
  96 <p><a HREF="BNF.html#groupdef">BNF definition</a> of <font face="Courier New"> group</font></p>
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