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<a class="fa fa-home fa-lg navbar-brand" href="index.html">&nbsp;<span class="projectTitle"> PMD Source Code Analyzer Project</span></a>
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<li class="sidebarTitle">PMD 6.54.0</li>
<div class="sidebarTitleDate">Release date: 28-January-2023</div>
<li>
<a href="#">About</a>
<ul>
<li><a href="index.html">Home</a></li>
<li><a href="pmd_release_notes.html">Release notes</a></li>
<li><a href="pmd_next_major_development.html">PMD 7.0.0 development</a></li>
<li><a href="pmd_about_help.html">Getting help</a></li>
</ul>
</li>
<li>
<a href="#">User Documentation</a>
<ul>
<li><a href="pmd_userdocs_installation.html">Installation and basic CLI usage</a></li>
<li><a href="pmd_userdocs_making_rulesets.html">Making rulesets</a></li>
<li><a href="pmd_userdocs_configuring_rules.html">Configuring rules</a></li>
<li><a href="pmd_userdocs_best_practices.html">Best practices</a></li>
<li><a href="pmd_userdocs_suppressing_warnings.html">Suppressing warnings</a></li>
<li><a href="pmd_userdocs_incremental_analysis.html">Incremental analysis</a></li>
<li><a href="pmd_userdocs_cli_reference.html">PMD CLI reference</a></li>
<li><a href="pmd_userdocs_report_formats.html">PMD Report formats</a></li>
<li><a href="pmd_userdocs_3rdpartyrulesets.html">3rd party rulesets</a></li>
<li class="subfolders">
<a href="#">CPD reference</a>
<ul>
<li><a href="pmd_userdocs_cpd.html">Copy-paste detection</a></li>
<li><a href="pmd_userdocs_cpd_report_formats.html">CPD Report formats</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">Extending PMD</a>
<ul>
<li><a href="pmd_userdocs_extending_writing_rules_intro.html">Introduction to writing rules</a></li>
<li><a href="pmd_userdocs_extending_your_first_rule.html">Your first rule</a></li>
<li><a href="pmd_userdocs_extending_writing_xpath_rules.html">XPath rules</a></li>
<li><a href="pmd_userdocs_extending_writing_java_rules.html">Java rules</a></li>
<li><a href="pmd_userdocs_extending_designer_reference.html">Rule designer reference</a></li>
<li><a href="pmd_userdocs_extending_defining_properties.html">Defining rule properties</a></li>
<li><a href="pmd_userdocs_extending_metrics_howto.html">Using and defining code metrics</a></li>
<li><a href="pmd_userdocs_extending_rule_guidelines.html">Rule guidelines</a></li>
<li><a href="pmd_userdocs_extending_testing.html">Testing your rules</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">Tools / Integrations</a>
<ul>
<li><a href="pmd_userdocs_tools_maven.html">Maven PMD Plugin</a></li>
<li><a href="pmd_userdocs_tools_gradle.html">Gradle</a></li>
<li><a href="pmd_userdocs_tools_ant.html">Ant</a></li>
<li><a href="pmd_userdocs_tools_java_api.html">PMD Java API</a></li>
<li><a href="pmd_userdocs_tools_ci.html">CI integrations</a></li>
<li><a href="pmd_userdocs_tools.html">Other Tools / Integrations</a></li>
</ul>
</li>
</ul>
</li>
<li>
<a href="#">Rule Reference</a>
<ul>
<li class="subfolders">
<a href="#">Apex Rules</a>
<ul>
<li><a href="pmd_rules_apex.html">Index</a></li>
<li><a href="pmd_rules_apex_bestpractices.html">Best Practices</a></li>
<li><a href="pmd_rules_apex_codestyle.html">Code Style</a></li>
<li><a href="pmd_rules_apex_design.html">Design</a></li>
<li><a href="pmd_rules_apex_documentation.html">Documentation</a></li>
<li><a href="pmd_rules_apex_errorprone.html">Error Prone</a></li>
<li><a href="pmd_rules_apex_performance.html">Performance</a></li>
<li><a href="pmd_rules_apex_security.html">Security</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">Ecmascript Rules</a>
<ul>
<li><a href="pmd_rules_ecmascript.html">Index</a></li>
<li><a href="pmd_rules_ecmascript_bestpractices.html">Best Practices</a></li>
<li><a href="pmd_rules_ecmascript_codestyle.html">Code Style</a></li>
<li><a href="pmd_rules_ecmascript_errorprone.html">Error Prone</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">HTML Rules</a>
<ul>
<li><a href="pmd_rules_html.html">Index</a></li>
<li><a href="pmd_rules_html_bestpractices.html">Best Practices</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">Java Rules</a>
<ul>
<li><a href="pmd_rules_java.html">Index</a></li>
<li><a href="pmd_rules_java_bestpractices.html">Best Practices</a></li>
<li><a href="pmd_rules_java_codestyle.html">Code Style</a></li>
<li><a href="pmd_rules_java_design.html">Design</a></li>
<li><a href="pmd_rules_java_documentation.html">Documentation</a></li>
<li><a href="pmd_rules_java_errorprone.html">Error Prone</a></li>
<li><a href="pmd_rules_java_multithreading.html">Multithreading</a></li>
<li><a href="pmd_rules_java_performance.html">Performance</a></li>
<li><a href="pmd_rules_java_security.html">Security</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">Java Server Pages Rules</a>
<ul>
<li><a href="pmd_rules_jsp.html">Index</a></li>
<li><a href="pmd_rules_jsp_bestpractices.html">Best Practices</a></li>
<li><a href="pmd_rules_jsp_codestyle.html">Code Style</a></li>
<li><a href="pmd_rules_jsp_design.html">Design</a></li>
<li><a href="pmd_rules_jsp_errorprone.html">Error Prone</a></li>
<li><a href="pmd_rules_jsp_security.html">Security</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">Maven POM Rules</a>
<ul>
<li><a href="pmd_rules_pom.html">Index</a></li>
<li><a href="pmd_rules_pom_errorprone.html">Error Prone</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">Modelica Rules</a>
<ul>
<li><a href="pmd_rules_modelica.html">Index</a></li>
<li><a href="pmd_rules_modelica_bestpractices.html">Best Practices</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">PLSQL Rules</a>
<ul>
<li><a href="pmd_rules_plsql.html">Index</a></li>
<li><a href="pmd_rules_plsql_bestpractices.html">Best Practices</a></li>
<li><a href="pmd_rules_plsql_codestyle.html">Code Style</a></li>
<li><a href="pmd_rules_plsql_design.html">Design</a></li>
<li><a href="pmd_rules_plsql_errorprone.html">Error Prone</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">Salesforce VisualForce Rules</a>
<ul>
<li><a href="pmd_rules_vf.html">Index</a></li>
<li><a href="pmd_rules_vf_security.html">Security</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">Scala Rules</a>
<ul>
<li><a href="pmd_rules_scala.html">Index</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">VM Rules</a>
<ul>
<li><a href="pmd_rules_vm.html">Index</a></li>
<li><a href="pmd_rules_vm_bestpractices.html">Best Practices</a></li>
<li><a href="pmd_rules_vm_design.html">Design</a></li>
<li><a href="pmd_rules_vm_errorprone.html">Error Prone</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">WSDL Rules</a>
<ul>
<li><a href="pmd_rules_wsdl.html">Index</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">XML Rules</a>
<ul>
<li><a href="pmd_rules_xml.html">Index</a></li>
<li><a href="pmd_rules_xml_errorprone.html">Error Prone</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">XSL Rules</a>
<ul>
<li><a href="pmd_rules_xsl.html">Index</a></li>
<li><a href="pmd_rules_xsl_codestyle.html">Code Style</a></li>
<li><a href="pmd_rules_xsl_performance.html">Performance</a></li>
</ul>
</li>
</ul>
</li>
<li>
<a href="#">Language Specific Documentation</a>
<ul>
<li><a href="pmd_languages_jsp.html">JSP Support</a></li>
<li class="subfolders">
<a href="#">Java Support</a>
<ul>
<li><a href="pmd_languages_java.html">Java Versions</a></li>
<li><a href="pmd_java_metrics_index.html">Java Code Metrics</a></li>
</ul>
</li>
<li><a href="pmd_apex_metrics_index.html">Apex code metrics</a></li>
<li><a href="pmd_languages_plsql.html">PLSQL</a></li>
<li><a href="pmd_languages_visualforce.html">Visualforce</a></li>
<li><a href="pmd_languages_xml.html">XML and XML dialects</a></li>
<li><a href="pmd_languages_html.html">HTML</a></li>
<li><a href="pmd_languages_gherkin.html">Gherkin</a></li>
</ul>
</li>
<li>
<a href="#">Developer Documentation</a>
<ul>
<li><a href="pmd_devdocs_development.html">Developer resources</a></li>
<li><a href="pmd_devdocs_building.html">Building PMD from source</a></li>
<li><a href="https://github.com/pmd/pmd/blob/master/CONTRIBUTING.md" target="_blank">Contributing</a></li>
<li><a href="pmd_devdocs_writing_documentation.html">Writing documentation</a></li>
<li><a href="pmd_devdocs_roadmap.html">Roadmap</a></li>
<li><a href="pmd_devdocs_how_pmd_works.html">How PMD works</a></li>
<li><a href="pmd_devdocs_pmdtester.html">Pmdtester</a></li>
<li><a href="pmd_devdocs_rule_deprecation_policy.html">Rule Deprecation Policy</a></li>
<li class="subfolders">
<a href="#">Major contributions</a>
<ul>
<li><a href="pmd_devdocs_major_rule_guidelines.html">Rule Guidelines</a></li>
<li><a href="pmd_devdocs_major_adding_new_language.html">Adding a new language</a></li>
<li><a href="pmd_devdocs_major_adding_new_cpd_language.html">Adding a new CPD language</a></li>
<li><a href="pmd_devdocs_major_adding_new_metrics_framework.html">Adding metrics support to a language</a></li>
</ul>
</li>
<li class="subfolders">
<a href="#">Experimental features</a>
<ul>
<li><a href="pmd_devdocs_experimental_ast_dump.html">Creating (XML) dump of the AST</a></li>
</ul>
</li>
</ul>
</li>
<li>
<a href="#">Project documentation</a>
<ul>
<li class="subfolders">
<a href="#">Trivia about PMD</a>
<ul>
<li><a href="pmd_projectdocs_trivia_news.html">PMD in the press</a></li>
<li><a href="pmd_projectdocs_trivia_products.html">Products & books related to PMD</a></li>
<li><a href="pmd_projectdocs_trivia_similarprojects.html">Similar projects</a></li>
<li><a href="pmd_projectdocs_trivia_meaning.html">What does 'PMD' mean?</a></li>
</ul>
</li>
<li><a href="pmd_projectdocs_faq.html">FAQ</a></li>
<li><a href="license.html">License</a></li>
<li><a href="pmd_projectdocs_credits.html">Credits</a></li>
<li><a href="pmd_release_notes_old.html">Old release notes</a></li>
<li><a href="pmd_projectdocs_decisions.html">Decisions</a></li>
<li class="subfolders">
<a href="#">Project management</a>
<ul>
<li><a href="pmd_projectdocs_committers_infrastructure.html">Infrastructure</a></li>
<li><a href="pmd_projectdocs_committers_releasing.html">Release process</a></li>
<li><a href="pmd_projectdocs_committers_merging_pull_requests.html">Merging pull requests</a></li>
<li><a href="pmd_projectdocs_committers_main_landing_page.html">Main Landing page</a></li>
</ul>
</li>
</ul>
</li>
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></a>
» Developer and contributor documentation
<a
target="_blank"
href="https://github.com/pmd/pmd/blob/master/docs/pages/tags/tag_devdocs.md"
class="pull-right"
role="button"
><i class="fa fa-github fa-lg"></i> Edit on GitHub</a
>
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</div>
<hr />
</header>
<div class="post-header">
<h1 class="post-title-main">Developer and contributor documentation</h1>
</div>
<div class="post-content" data-github-edit-url="https://github.com/pmd/pmd/blob/master/docs/pages/tags/tag_devdocs.md">
<div id="inline-toc"><!-- empty, move TOC here when screen size too small --></div>
<p>The following pages and posts are tagged with <button type="button" style="cursor: default" class="btn btn-default navbar-btn">devdocs</button></p>
<table><thead><tr><th>Title</th><th>Type</th><th>Excerpt</th></tr></thead>
<tbody>
<tr><td><a href="pmd_devdocs_major_adding_new_cpd_language.html">How to add a new CPD language</a></td>
<td><span class="label label-default">Page</span></td>
<td> How to add a new CPD language </td>
</tr>
<tr><td><a href="pmd_devdocs_major_adding_new_language.html">Adding PMD support for a new language</a></td>
<td><span class="label label-default">Page</span></td>
<td> How to add a new language to PMD. </td>
</tr>
<tr><td><a href="pmd_devdocs_major_adding_new_metrics_framework.html">Adding support for metrics to a language</a></td>
<td><span class="label label-default">Page</span></td>
<td> PMD's Java module has an extensive framework for the calculation of metrics, which allows rule developers to implement and use new code metrics very simply. ... </td>
</tr>
<tr><td><a href="pmd_devdocs_experimental_ast_dump.html">Creating XML dump of the AST</a></td>
<td><span class="label label-default">Page</span></td>
<td> Creating a XML representation of the AST allows to analyze the AST with other tools. </td>
</tr>
<tr><td><a href="pmd_devdocs_building.html">Building PMD from source</a></td>
<td><span class="label label-default">Page</span></td>
<td> Note: TODO add IDE specific indications Compiling PMD JDK 11 or higher Note: While Java 11 is required for building, running PMD only requires Java 7 (or Java 8 for Apex,... </td>
</tr>
<tr><td><a href="pmd_devdocs_development.html">Developer Resources</a></td>
<td><span class="label label-default">Page</span></td>
<td> The next version of PMD will be developed in parallel with this release. We will release additional bugfix versions as needed. Source Code The complete source code can be found on github: github.com/pmd/pmd - main PMD repository. Includes all the code to support all languages, including this... </td>
</tr>
<tr><td><a href="pmd_devdocs_how_pmd_works.html">How PMD Works</a></td>
<td><span class="label label-default">Page</span></td>
<td> Processing overview of the different steps taken by PMD. </td>
</tr>
<tr><td><a href="pmd_devdocs_pmdtester.html">Pmdtester</a></td>
<td><span class="label label-default">Page</span></td>
<td> Introduction Pmdtester is a regression testing tool that ensures no new problems and unexpected behaviors will be introduced to PMD after fixing an issue. It can also be used to verify, that new rules work as expected. It has been integrated into travis CI and is actually used automatically... </td>
</tr>
<tr><td><a href="pmd_devdocs_roadmap.html">Roadmap</a></td>
<td><span class="label label-default">Page</span></td>
<td> TODO: Update Future direction projects, plans Google Summer of Code Future directions Want to know what’s coming? Or, better, wanna contribute ? Here is the page listing what are our plans - when we have ones, for the future of PMD. It also give you hints at... </td>
</tr>
<tr><td><a href="pmd_devdocs_rule_deprecation_policy.html">Rule deprecation policy</a></td>
<td><span class="label label-default">Page</span></td>
<td> Describes when and how rules are deprecated </td>
</tr>
<tr><td><a href="pmd_devdocs_major_rule_guidelines.html">Guidelines for standard rules</a></td>
<td><span class="label label-default">Page</span></td>
<td> Guidelines for rules that are included in the standard distribution </td>
</tr>
<tr><td><a href="pmd_devdocs_writing_documentation.html">Writing documentation</a></td>
<td><span class="label label-default">Page</span></td>
<td> PMD's documentation uses [Jekyll](https://jekyllrb.com/) with the [I'd rather be writing Jekyll Theme](http://idratherbewriting.com/documentation-theme-jekyll/index.html). Here are some quick tips. ## Format The pages are in general in [Github Flavored Markdown](https://kramdown.gettalong.org/parser/gfm.html). ## Structure The documentation sources can be found in two places based on how they are generated: - the ones that are... </td>
</tr>
</tbody>
</table>
<div class="tags">
</div>
</div>
<footer>
<hr />
<div>
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