projects / OpenSPARC-T2-SAM / blame
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| 17 | <title>2.3 Identifiers and keywords</title> | |
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| 22 | <table align="center" width="100%" cellpadding="0" cellspacing="2"> | |
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| 24 | <td class='online-navigation'><a rel="prev" title="2.2 Other tokens" | |
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| 33 | <td align="center" width="100%">Python Reference Manual</td> | |
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| 43 | <div class='online-navigation'> | |
| 44 | <b class="navlabel">Previous:</b> | |
| 45 | <a class="sectref" rel="prev" href="other-tokens.html">2.2 Other tokens</A> | |
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| 47 | <a class="sectref" rel="parent" href="lexical.html">2. Lexical analysis</A> | |
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| 50 | </div> | |
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| 54 | ||
| 55 | <H1><A NAME="SECTION004300000000000000000"></A><A NAME="identifiers"></A><a id='l2h-10' xml:id='l2h-10'></a> | |
| 56 | <BR> | |
| 57 | 2.3 Identifiers and keywords | |
| 58 | </H1> | |
| 59 | ||
| 60 | <P> | |
| 61 | Identifiers (also referred to as <em>names</em>) are described by the following | |
| 62 | lexical definitions: | |
| 63 | ||
| 64 | <P> | |
| 65 | <dl><dd class="grammar"> | |
| 66 | <div class="productions"> | |
| 67 | <table> | |
| 68 | <tr> | |
| 69 | <td><a id='tok-identifier' xml:id='tok-identifier'>identifier</a></td> | |
| 70 | <td>::=</td> | |
| 71 | <td>(<a class='grammartoken' href="identifiers.html#tok-letter">letter</a>|"_") (<a class='grammartoken' href="identifiers.html#tok-letter">letter</a> | <a class='grammartoken' href="identifiers.html#tok-digit">digit</a> | "_")*</td></tr> | |
| 72 | <tr> | |
| 73 | <td><a id='tok-letter' xml:id='tok-letter'>letter</a></td> | |
| 74 | <td>::=</td> | |
| 75 | <td><a class='grammartoken' href="identifiers.html#tok-lowercase">lowercase</a> | <a class='grammartoken' href="identifiers.html#tok-uppercase">uppercase</a></td></tr> | |
| 76 | <tr> | |
| 77 | <td><a id='tok-lowercase' xml:id='tok-lowercase'>lowercase</a></td> | |
| 78 | <td>::=</td> | |
| 79 | <td>"a"..."z"</td></tr> | |
| 80 | <tr> | |
| 81 | <td><a id='tok-uppercase' xml:id='tok-uppercase'>uppercase</a></td> | |
| 82 | <td>::=</td> | |
| 83 | <td>"A"..."Z"</td></tr> | |
| 84 | <tr> | |
| 85 | <td><a id='tok-digit' xml:id='tok-digit'>digit</a></td> | |
| 86 | <td>::=</td> | |
| 87 | <td>"0"..."9"</td></tr> | |
| 88 | </table> | |
| 89 | </div> | |
| 90 | <a class="grammar-footer" | |
| 91 | href="grammar.txt" type="text/plain" | |
| 92 | >Download entire grammar as text.</a> | |
| 93 | </dd></dl> | |
| 94 | ||
| 95 | <P> | |
| 96 | Identifiers are unlimited in length. Case is significant. | |
| 97 | ||
| 98 | <P> | |
| 99 | ||
| 100 | <p><br /></p><hr class='online-navigation' /> | |
| 101 | <div class='online-navigation'> | |
| 102 | <!--Table of Child-Links--> | |
| 103 | <A NAME="CHILD_LINKS"><STRONG>Subsections</STRONG></a> | |
| 104 | ||
| 105 | <UL CLASS="ChildLinks"> | |
| 106 | <LI><A href="keywords.html">2.3.1 Keywords</a> | |
| 107 | <LI><A href="id-classes.html">2.3.2 Reserved classes of identifiers</a> | |
| 108 | </ul> | |
| 109 | <!--End of Table of Child-Links--> | |
| 110 | </div> | |
| 111 | ||
| 112 | <DIV CLASS="navigation"> | |
| 113 | <div class='online-navigation'> | |
| 114 | <p></p><hr /> | |
| 115 | <table align="center" width="100%" cellpadding="0" cellspacing="2"> | |
| 116 | <tr> | |
| 117 | <td class='online-navigation'><a rel="prev" title="2.2 Other tokens" | |
| 118 | href="other-tokens.html"><img src='../icons/previous.png' | |
| 119 | border='0' height='32' alt='Previous Page' width='32' /></A></td> | |
| 120 | <td class='online-navigation'><a rel="parent" title="2. Lexical analysis" | |
| 121 | href="lexical.html"><img src='../icons/up.png' | |
| 122 | border='0' height='32' alt='Up One Level' width='32' /></A></td> | |
| 123 | <td class='online-navigation'><a rel="next" title="2.3.1 Keywords" | |
| 124 | href="keywords.html"><img src='../icons/next.png' | |
| 125 | border='0' height='32' alt='Next Page' width='32' /></A></td> | |
| 126 | <td align="center" width="100%">Python Reference Manual</td> | |
| 127 | <td class='online-navigation'><a rel="contents" title="Table of Contents" | |
| 128 | href="contents.html"><img src='../icons/contents.png' | |
| 129 | border='0' height='32' alt='Contents' width='32' /></A></td> | |
| 130 | <td class='online-navigation'><img src='../icons/blank.png' | |
| 131 | border='0' height='32' alt='' width='32' /></td> | |
| 132 | <td class='online-navigation'><a rel="index" title="Index" | |
| 133 | href="genindex.html"><img src='../icons/index.png' | |
| 134 | border='0' height='32' alt='Index' width='32' /></A></td> | |
| 135 | </tr></table> | |
| 136 | <div class='online-navigation'> | |
| 137 | <b class="navlabel">Previous:</b> | |
| 138 | <a class="sectref" rel="prev" href="other-tokens.html">2.2 Other tokens</A> | |
| 139 | <b class="navlabel">Up:</b> | |
| 140 | <a class="sectref" rel="parent" href="lexical.html">2. Lexical analysis</A> | |
| 141 | <b class="navlabel">Next:</b> | |
| 142 | <a class="sectref" rel="next" href="keywords.html">2.3.1 Keywords</A> | |
| 143 | </div> | |
| 144 | </div> | |
| 145 | <hr /> | |
| 146 | <span class="release-info">Release 2.4.2, documentation updated on 28 September 2005.</span> | |
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