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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
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<title>Castle Game Engine: CastleScriptLexer: Class TCasScriptLexer</title>
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<h2>Castle Game Engine</h2><p><a href="introduction.html" class="navigation">Introduction</a></p><p><a href="AllUnits.html" class="navigation">Units</a></p><p><a href="ClassHierarchy.html" class="navigation">Class Hierarchy</a></p><p><a href="AllClasses.html" class="navigation">Classes, Interfaces, Objects and Records</a></p><p><a href="AllTypes.html" class="navigation">Types</a></p><p><a href="AllVariables.html" class="navigation">Variables</a></p><p><a href="AllConstants.html" class="navigation">Constants</a></p><p><a href="AllFunctions.html" class="navigation">Functions and Procedures</a></p><p><a href="AllIdentifiers.html" class="navigation">Identifiers</a></p></td><td class="content">
<a name="TCasScriptLexer"></a><h1 class="cio">Class TCasScriptLexer</h1>
<table class="sections wide_list">
<tr>
<td><a class="section" href="#PasDoc-Description">Description</a></td><td><a class="section" href="#PasDoc-Hierarchy">Hierarchy</a></td><td>Fields</td><td><a class="section" href="#PasDoc-Methods">Methods</a></td><td><a class="section" href="#PasDoc-Properties">Properties</a></td></tr></table>
<a name="PasDoc-Description"></a><h2 class="unit">Unit</h2>
<p class="unitlink">
<a href="CastleScriptLexer.html">CastleScriptLexer</a></p>
<h2 class="declaration">Declaration</h2>
<p class="declaration">
<code>type TCasScriptLexer = class(TObject)</code></p>
<h2 class="description">Description</h2>
<a name="PasDoc-Hierarchy"></a><h2 class="hierarchy">Hierarchy</h2>
<ul class="hierarchy"><li class="ancestor">TObject</li>
<li class="thisitem">TCasScriptLexer</li></ul><h2 class="overview">Overview</h2>
<a name="PasDoc-Methods"></a><h3 class="summary">Methods</h3>
<table class="summary wide_list">
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>function <b><a href="CastleScriptLexer.TCasScriptLexer.html#NextToken">NextToken</a></b>: <a href="CastleScriptLexer.html#TToken">TToken</a>;</code></td>
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<td class="itemcode"><code>constructor <b><a href="CastleScriptLexer.TCasScriptLexer.html#Create">Create</a></b>(const AText: string);</code></td>
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<td class="itemcode"><code>function <b><a href="CastleScriptLexer.TCasScriptLexer.html#TokenDescription">TokenDescription</a></b>: string;</code></td>
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<tr class="list2">
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<td class="itemcode"><code>procedure <b><a href="CastleScriptLexer.TCasScriptLexer.html#CheckTokenIs">CheckTokenIs</a></b>(Tok: <a href="CastleScriptLexer.html#TToken">TToken</a>);</code></td>
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<a name="PasDoc-Properties"></a><h3 class="summary">Properties</h3>
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<td class="itemcode"><code>property <b><a href="CastleScriptLexer.TCasScriptLexer.html#Token">Token</a></b>: <a href="CastleScriptLexer.html#TToken">TToken</a> read FToken;</code></td>
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<td class="itemcode"><code>property <b><a href="CastleScriptLexer.TCasScriptLexer.html#TokenInteger">TokenInteger</a></b>: Int64 read FTokenInteger;</code></td>
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<td class="itemcode"><code>property <b><a href="CastleScriptLexer.TCasScriptLexer.html#TokenFloat">TokenFloat</a></b>: <a href="CastleUtils.html#Float">Float</a> read FTokenFloat;</code></td>
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<td class="itemcode"><code>property <b><a href="CastleScriptLexer.TCasScriptLexer.html#TokenString">TokenString</a></b>: string read FTokenString;</code></td>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>property <b><a href="CastleScriptLexer.TCasScriptLexer.html#TokenBoolean">TokenBoolean</a></b>: boolean read FTokenBoolean;</code></td>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>property <b><a href="CastleScriptLexer.TCasScriptLexer.html#TokenFunctionClass">TokenFunctionClass</a></b>: <a href="CastleScript.html#TCasScriptFunctionClass">TCasScriptFunctionClass</a> read FTokenFunctionClass;</code></td>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>property <b><a href="CastleScriptLexer.TCasScriptLexer.html#TextPos">TextPos</a></b>: Integer read FTextPos;</code></td>
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<td class="itemcode"><code>property <b><a href="CastleScriptLexer.TCasScriptLexer.html#Text">Text</a></b>: string read FText;</code></td>
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<h2 class="description">Description</h2>
<h3 class="detail">Methods</h3>
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<td class="itemcode"><a name="NextToken"></a><code>function <b>NextToken</b>: <a href="CastleScriptLexer.html#TToken">TToken</a>;</code></td>
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<tr><td colspan="2">
<p>
<code>NextToken</code> moves to next token (updating fields <a class="normal" href="CastleScriptLexer.TCasScriptLexer.html#Token">Token</a>, and eventually <a class="normal" href="CastleScriptLexer.TCasScriptLexer.html#TokenFloat">TokenFloat</a>, <a class="normal" href="CastleScriptLexer.TCasScriptLexer.html#TokenString">TokenString</a> and <a class="normal" href="CastleScriptLexer.TCasScriptLexer.html#TokenFunctionClass">TokenFunctionClass</a>) and returns the value of field <a class="normal" href="CastleScriptLexer.TCasScriptLexer.html#Token">Token</a>.
<p>When <a class="normal" href="CastleScriptLexer.TCasScriptLexer.html#Token">Token</a> is tokEnd, then <code>NextToken</code> doesn't do anything, i.e. <a class="normal" href="CastleScriptLexer.TCasScriptLexer.html#Token">Token</a> will remain tokEnd forever.
<p></p>
<h6 class="description_section">Exceptions raised</h6>
<dl class="exceptions_raised">
<dt><a class="normal" href="CastleScriptLexer.ECasScriptLexerError.html">ECasScriptLexerError</a></dt>
<dd></dd>
</dl>
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<td class="itemcode"><a name="Create"></a><code>constructor <b>Create</b>(const AText: string);</code></td>
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<td class="itemcode"><a name="TokenDescription"></a><code>function <b>TokenDescription</b>: string;</code></td>
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<tr><td colspan="2">
<p>
Current token textual description. Useful mainly for debugging lexer.</p>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="CheckTokenIs"></a><code>procedure <b>CheckTokenIs</b>(Tok: <a href="CastleScriptLexer.html#TToken">TToken</a>);</code></td>
</tr>
<tr><td colspan="2">
<p>
Check is current token Tok, eventually rise parser error. This is an utility for parser.
<p></p>
<h6 class="description_section">Exceptions raised</h6>
<dl class="exceptions_raised">
<dt><a class="normal" href="CastleScriptLexer.ECasScriptParserError.html">ECasScriptParserError</a></dt>
<dd>if current Token doesn't match required Tok.</dd>
</dl>
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<h3 class="detail">Properties</h3>
<table class="detail wide_list">
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="Token"></a><code>property <b>Token</b>: <a href="CastleScriptLexer.html#TToken">TToken</a> read FToken;</code></td>
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<tr><td colspan="2">
</td></tr>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="TokenInteger"></a><code>property <b>TokenInteger</b>: Int64 read FTokenInteger;</code></td>
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<tr><td colspan="2">
</td></tr>
</table>
<table class="detail wide_list">
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="TokenFloat"></a><code>property <b>TokenFloat</b>: <a href="CastleUtils.html#Float">Float</a> read FTokenFloat;</code></td>
</tr>
<tr><td colspan="2">
</td></tr>
</table>
<table class="detail wide_list">
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="TokenString"></a><code>property <b>TokenString</b>: string read FTokenString;</code></td>
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<tr><td colspan="2">
</td></tr>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="TokenBoolean"></a><code>property <b>TokenBoolean</b>: boolean read FTokenBoolean;</code></td>
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<tr><td colspan="2">
</td></tr>
</table>
<table class="detail wide_list">
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="TokenFunctionClass"></a><code>property <b>TokenFunctionClass</b>: <a href="CastleScript.html#TCasScriptFunctionClass">TCasScriptFunctionClass</a> read FTokenFunctionClass;</code></td>
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</td></tr>
</table>
<table class="detail wide_list">
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="TextPos"></a><code>property <b>TextPos</b>: Integer read FTextPos;</code></td>
</tr>
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<p>
Position of lexer in the <a class="normal" href="CastleScriptLexer.TCasScriptLexer.html#Text">Text</a> string.</p>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><a name="Text"></a><code>property <b>Text</b>: string read FText;</code></td>
</tr>
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<p>
Text that this lexer reads.</p>
</td></tr>
</table>
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