| 1 | <html>
|
|---|
| 2 |
|
|---|
| 3 | <head>
|
|---|
| 4 | <meta http-equiv="Content-Language" content="en-us">
|
|---|
| 5 | <title>ANTLR Task</title>
|
|---|
| 6 | <link rel="stylesheet" type="text/css" href="../stylesheets/antmanual.css">
|
|---|
| 7 | </head>
|
|---|
| 8 |
|
|---|
| 9 | <body>
|
|---|
| 10 |
|
|---|
| 11 | <h2><a name="antlr">ANTLR</a></h2>
|
|---|
| 12 | <h3>Description</h3>
|
|---|
| 13 | <p>
|
|---|
| 14 | Invokes the <a HREF="http://www.antlr.org/" target="_top">ANTLR</a> Translator generator
|
|---|
| 15 | on a grammar file.
|
|---|
| 16 | </p>
|
|---|
| 17 | <p>
|
|---|
| 18 | To use the ANTLR task, set the <i>target</i> attribute to the name of the
|
|---|
| 19 | grammar file to process. Optionally, you can also set the
|
|---|
| 20 | <i>outputdirectory</i> to write the generated file to a specific directory.
|
|---|
| 21 | Otherwise ANTLR writes the generated files to the directory containing
|
|---|
| 22 | the grammar file.
|
|---|
| 23 | </p>
|
|---|
| 24 | <p>
|
|---|
| 25 | This task only invokes ANTLR if the grammar file (or the
|
|---|
| 26 | supergrammar specified by the glib attribute) is newer than the
|
|---|
| 27 | generated files.
|
|---|
| 28 | </p>
|
|---|
| 29 | <p>Antlr 2.7.1 Note:
|
|---|
| 30 | <i>
|
|---|
| 31 | To successfully run ANTLR, your best option is probably to build the whole
|
|---|
| 32 | jar with the provided script <b>mkalljar</b> and drop the resulting jar (about 300KB)
|
|---|
| 33 | into ${ant.home}/lib. Dropping the default jar (70KB) is probably not enough
|
|---|
| 34 | for most needs and your only option will be to add ANTLR home directory
|
|---|
| 35 | to your classpath as described in ANTLR <tt>install.html</tt> document.
|
|---|
| 36 | </i>
|
|---|
| 37 | </p>
|
|---|
| 38 | <p>Antlr 2.7.2 Note:
|
|---|
| 39 | <i>
|
|---|
| 40 | Instead of the above, you will need antlrall.jar that can be created
|
|---|
| 41 | by the <b>antlr-all.jar</b> target of the Makefile provided with the
|
|---|
| 42 | download.
|
|---|
| 43 | </i>
|
|---|
| 44 | </p>
|
|---|
| 45 |
|
|---|
| 46 | <h3>Parameters</h3>
|
|---|
| 47 | <table border="1" cellpadding="2" cellspacing="0">
|
|---|
| 48 | <tr>
|
|---|
| 49 | <td valign="top"><b>Attribute</b></td>
|
|---|
| 50 | <td valign="top"><b>Description</b></td>
|
|---|
| 51 | <td align="center" valign="top"><b>Required</b></td>
|
|---|
| 52 | </tr>
|
|---|
| 53 | <tr>
|
|---|
| 54 | <td valign="top">target</td>
|
|---|
| 55 | <td valign="top">The grammar file to process.</td>
|
|---|
| 56 | <td valign="top" align="center">Yes</td>
|
|---|
| 57 | </tr>
|
|---|
| 58 | <tr>
|
|---|
| 59 | <td valign="top">outputdirectory</td>
|
|---|
| 60 | <td valign="top">
|
|---|
| 61 | The directory to write the generated files to. If not set, the files
|
|---|
| 62 | are written to the directory containing the grammar file.
|
|---|
| 63 | </td>
|
|---|
| 64 | <td valign="top" align="center">No</td>
|
|---|
| 65 | </tr>
|
|---|
| 66 | <tr>
|
|---|
| 67 | <td valign="top">glib</td>
|
|---|
| 68 | <td valign="top">
|
|---|
| 69 | An optional super grammar file that the target grammar overrides. This
|
|---|
| 70 | feature is only needed for advanced vocabularies.
|
|---|
| 71 | </td>
|
|---|
| 72 | <td valign="top" align="center">No</td>
|
|---|
| 73 | </tr>
|
|---|
| 74 | <tr>
|
|---|
| 75 | <td valign="top">debug</td>
|
|---|
| 76 | <td valign="top">
|
|---|
| 77 | When set to "yes", this flag adds code to the generated parser that will
|
|---|
| 78 | launch the ParseView debugger upon invocation. The default is "no".
|
|---|
| 79 | <br>
|
|---|
| 80 | Note: ParseView is a separate component that needs to be installed or your
|
|---|
| 81 | grammar will have compilation errors.
|
|---|
| 82 | </td>
|
|---|
| 83 | <td valign="top" align="center">No</td>
|
|---|
| 84 | </tr>
|
|---|
| 85 | <tr>
|
|---|
| 86 | <td valign="top">html</td>
|
|---|
| 87 | <td valign="top">
|
|---|
| 88 | Emit an html version of the grammar with hyperlinked actions.
|
|---|
| 89 | </td>
|
|---|
| 90 | <td valign="top" align="center">No</td>
|
|---|
| 91 | </tr>
|
|---|
| 92 | <tr>
|
|---|
| 93 | <td valign="top">diagnostic</td>
|
|---|
| 94 | <td valign="top">
|
|---|
| 95 | Generates a text file with debugging information based on the target grammar.
|
|---|
| 96 | </td>
|
|---|
| 97 | <td valign="top" align="center">No</td>
|
|---|
| 98 | </tr>
|
|---|
| 99 | <tr>
|
|---|
| 100 | <td valign="top">trace</td>
|
|---|
| 101 | <td valign="top">
|
|---|
| 102 | Forces <b>all</b> rules to call traceIn/traceOut if set to "yes".
|
|---|
| 103 | The default is "no".
|
|---|
| 104 | </td>
|
|---|
| 105 | <td valign="top" align="center">No</td>
|
|---|
| 106 | </tr>
|
|---|
| 107 | <tr>
|
|---|
| 108 | <td valign="top">traceParser</td>
|
|---|
| 109 | <td valign="top">
|
|---|
| 110 | Only forces parser rules to call traceIn/traceOut if set to "yes".
|
|---|
| 111 | The default is "no".
|
|---|
| 112 | </td>
|
|---|
| 113 | <td valign="top" align="center">No</td>
|
|---|
| 114 | </tr>
|
|---|
| 115 | <tr>
|
|---|
| 116 | <td valign="top">traceLexer</td>
|
|---|
| 117 | <td valign="top">
|
|---|
| 118 | Only forces lexer rules to call traceIn/traceOut if set to "yes".
|
|---|
| 119 | The default is "no".
|
|---|
| 120 | </td>
|
|---|
| 121 | <td valign="top" align="center">No</td>
|
|---|
| 122 | </tr>
|
|---|
| 123 | <tr>
|
|---|
| 124 | <td valign="top">traceTreeWalker</td>
|
|---|
| 125 | <td valign="top">
|
|---|
| 126 | Only forces tree walker rules to call traceIn/traceOut if set to
|
|---|
| 127 | "yes". The default is "no".
|
|---|
| 128 | </td>
|
|---|
| 129 | <td valign="top" align="center">No</td>
|
|---|
| 130 | </tr>
|
|---|
| 131 | <!--tr>
|
|---|
| 132 | <td valign="top">fork</td>
|
|---|
| 133 | <td valign="top">Run ANTLR in a separate VM.</td>
|
|---|
| 134 | <td align="center" valign="top">No, default is "off"</td>
|
|---|
| 135 | </tr-->
|
|---|
| 136 | <tr>
|
|---|
| 137 | <td valign="top">dir</td>
|
|---|
| 138 | <td valign="top">The directory to invoke the VM in. <!--(ignored if
|
|---|
| 139 | fork is disabled)--></td>
|
|---|
| 140 | <td align="center" valign="top">No</td>
|
|---|
| 141 | </tr>
|
|---|
| 142 | </table>
|
|---|
| 143 |
|
|---|
| 144 | <h3><a name="nested">Nested Elements</a></h3>
|
|---|
| 145 |
|
|---|
| 146 | <p><code>ANTLR</code> supports a nested <code><classpath></code>
|
|---|
| 147 | element, that represents a <a href="../using.html#path">PATH like
|
|---|
| 148 | structure</a>. It is given as a convenience if you have to specify
|
|---|
| 149 | the original ANTLR directory. In most cases, dropping the appropriate
|
|---|
| 150 | ANTLR jar in the normal Ant lib repository will be enough.</p>
|
|---|
| 151 |
|
|---|
| 152 | <h4>jvmarg</h4>
|
|---|
| 153 |
|
|---|
| 154 | <p><!--If fork is enabled, -->Additional parameters may be passed to the new
|
|---|
| 155 | VM via nested <code><jvmarg></code> attributes, for example:</p>
|
|---|
| 156 |
|
|---|
| 157 | <pre>
|
|---|
| 158 | <antlr target="...">
|
|---|
| 159 | <jvmarg value="-Djava.compiler=NONE"/>
|
|---|
| 160 | ...
|
|---|
| 161 | </antlr>
|
|---|
| 162 | </pre>
|
|---|
| 163 |
|
|---|
| 164 | <p>would run ANTLR in a VM without JIT.</p>
|
|---|
| 165 |
|
|---|
| 166 | <p><code><jvmarg></code> allows all attributes described in <a
|
|---|
| 167 | href="../using.html#arg">Command line arguments</a>.</p>
|
|---|
| 168 |
|
|---|
| 169 | <h3>Example</h3>
|
|---|
| 170 | <blockquote><pre>
|
|---|
| 171 | <antlr
|
|---|
| 172 | target="etc/java.g"
|
|---|
| 173 | outputdirectory="build/src"
|
|---|
| 174 | />
|
|---|
| 175 | </pre></blockquote>
|
|---|
| 176 | <p>
|
|---|
| 177 | This invokes ANTLR on grammar file etc/java.g, writing the generated
|
|---|
| 178 | files to build/src.
|
|---|
| 179 | </p>
|
|---|
| 180 | <hr>
|
|---|
| 181 |
|
|---|
| 182 | <p align="center">Copyright © 2000-2004 The Apache Software Foundation. All rights
|
|---|
| 183 | Reserved.</p>
|
|---|
| 184 |
|
|---|
| 185 | </body>
|
|---|
| 186 | </html>
|
|---|
| 187 |
|
|---|
