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(1) Make sure there is a Copyright notice on all visible files. (2) Make sure all years in which the file has been modified are listed. (3) Make sure the format is consistent, i.e. separate consecutive years with a dash, not a comma. When Stephane changed starteam.html it has been 2001 in France but 2002 in Australia - does that mean we add 2002 to the Copyright line or not? ;-) git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@270652 13f79535-47bb-0310-9956-ffa450edef68
181 lines
4.2 KiB
HTML
181 lines
4.2 KiB
HTML
<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<meta http-equiv="Content-Language" content="en-us">
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<title>JJTree Task</title>
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</head>
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<body>
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<h2>
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<a NAME="jjtree"></a>JJTree</h2>
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<h3>
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Description</h3>
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Invokes the <a href="http://www.webgain.com/products/java_cc/">JJTree</a> preprocessor
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for the JavaCC compiler compiler. It inserts parse tree building actions
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at various places in the JavaCC source that it generates. The output of
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JJTree is run through JavaCC to create the parser.
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<p>To use the jjtree task, set the <i>target</i> attribute to the name
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of the jjtree grammar file to process. You also need to specify the directory
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containing the JavaCC installation using the <i>javacchome</i> attribute,
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so that ant can find the JavaCC classes. Optionally, you can also set the
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<i>outputdirectory</i>
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to write the generated file to a specific directory. Otherwise jjtree writes
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the generated JavaCC grammar file to the directory containing the JJTree
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grammar file.</p>
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<p>This task only invokes JJTree if the grammar file is newer than the
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generated JavaCC file.</p>
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<h3>Parameters</h3>
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<table BORDER CELLSPACING=0 CELLPADDING=2 >
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<tr>
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<td VALIGN=TOP><b>Attribute</b></td>
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<td VALIGN=TOP><b>Description</b></td>
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<td ALIGN=CENTER VALIGN=TOP><b>Required</b></td>
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</tr>
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<tr>
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<td VALIGN=TOP>target</td>
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<td VALIGN=TOP>The jjtree grammar file to process.</td>
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<td ALIGN=CENTER VALIGN=TOP>Yes</td>
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</tr>
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<tr>
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<td VALIGN=TOP>javacchome</td>
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<td VALIGN=TOP>The directory containing the JavaCC distribution.</td>
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<td ALIGN=CENTER VALIGN=TOP>Yes</td>
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</tr>
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<tr>
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<td VALIGN=TOP>outputdirectory</td>
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<td VALIGN=TOP>The directory to write the generated file to. If not set,
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the files are written to the directory containing the grammar file. </td>
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<td ALIGN=CENTER VALIGN=TOP>No</td>
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</tr>
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<tr>
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<td VALIGN=TOP>buildnodefiles</td>
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<td VALIGN=TOP>Sets the BUILD_NODE_FILES grammar option. This is a boolean
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option.</td>
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<td ALIGN=CENTER VALIGN=TOP>No</td>
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</tr>
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<tr>
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<td VALIGN=TOP>multi</td>
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<td VALIGN=TOP>Sets the MULTI grammar option. This is a boolean option.</td>
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<td ALIGN=CENTER VALIGN=TOP>No</td>
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</tr>
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<tr>
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<td VALIGN=TOP>nodedefaultvoid</td>
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<td VALIGN=TOP>Sets the NODE_DEFAULT_VOID grammar option. This is a boolean
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option.</td>
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<td ALIGN=CENTER VALIGN=TOP>No</td>
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</tr>
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<tr>
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<td VALIGN=TOP>nodefactory</td>
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<td VALIGN=TOP>Sets the NODE_FACTORY grammar option. This is boolean option.</td>
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<td ALIGN=CENTER VALIGN=TOP>No</td>
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</tr>
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<tr>
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<td VALIGN=TOP>nodescopehook</td>
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<td VALIGN=TOP>Sets the NODE_SCOPE_HOOK grammar option. This is a boolean
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option.</td>
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<td ALIGN=CENTER VALIGN=TOP>No</td>
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</tr>
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<tr>
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<td VALIGN=TOP>nodeusesparser</td>
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<td VALIGN=TOP>Sets the NODE_USES_PARSER grammar option. This is a boolean
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option.</td>
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<td ALIGN=CENTER VALIGN=TOP>No</td>
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</tr>
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<tr>
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<td VALIGN=TOP>static</td>
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<td VALIGN=TOP>Sets the STATIC grammar option. This is a boolean option.</td>
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<td ALIGN=CENTER VALIGN=TOP>No</td>
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</tr>
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<tr>
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<td VALIGN=TOP>visitor</td>
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<td VALIGN=TOP>Sets the VISITOR grammar option. This is a boolean option.</td>
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<td ALIGN=CENTER VALIGN=TOP>No</td>
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</tr>
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<tr>
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<td VALIGN=TOP>nodepackage</td>
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<td VALIGN=TOP>Sets the NODE_PACKAGE grammar option. This is a string option.</td>
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<td ALIGN=CENTER VALIGN=TOP>No</td>
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</tr>
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<tr>
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<td VALIGN=TOP>visitorexception</td>
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<td VALIGN=TOP>Sets the VISITOR_EXCEPTION grammar option. This is a string
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option.</td>
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<td ALIGN=CENTER VALIGN=TOP>No</td>
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</tr>
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<tr>
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<td VALIGN=TOP>nodeprefix</td>
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<td VALIGN=TOP>Sets the NODE_PREFIX grammar option. This is a string option.</td>
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<td ALIGN=CENTER VALIGN=TOP>No</td>
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</tr>
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</table>
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<h3>
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Example</h3>
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<blockquote>
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<pre><jjtree
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target="src/Parser.jjt"
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outputdirectory="build/src"
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javacchome="c:/program files/JavaCC"
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nodeusesparser="true"
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/></pre>
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</blockquote>
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This invokes JJTree on grammar file src/Parser.jjt, writing the generated
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grammar file, Parser.jj, file to build/src. The grammar option NODE_USES_PARSER
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is set to true when invoking JJTree.
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<br>
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<hr>
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<p align="center">Copyright © 2001 Apache Software Foundation. All rights
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Reserved.</p>
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</body>
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</html>
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