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» Apex support
<a
target="_blank"
href="https://github.com/pmd/pmd/blob/master/docs/pages/pmd/languages/apex.md"
class="float-right"
role="button"
><i class="fab fa-github fa-lg"></i> Edit on GitHub</a
>
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<div class="post-header">
<h1 class="post-title-main">Apex support</h1>
</div>
<div class="post-content" data-github-edit-url="https://github.com/pmd/pmd/blob/master/docs/pages/pmd/languages/apex.md">
<div class="summary">Apex-specific features and guidance</div>
<details id="inline-toc-details">
<summary>Table of Contents</summary>
<div id="inline-toc"><!-- empty, move TOC here when screen size too small --></div>
</details>
<blockquote>
<p><a href="https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_dev_guide.htm">Apex</a> is a strongly
typed, object-oriented programming language that allows developers to execute flow and
transaction control statements on the Salesforce Platform server, in conjunction with calls to the API.</p>
</blockquote>
<details class="language-info">
<summary>Language Info for Apex
</summary>
<div class="card">
<ul class="list-group list-group-flush">
<li class="list-group-item">Since PMD 5.5.0</li>
<li class="list-group-item">Implementation: <a href="https://docs.pmd-code.org/apidocs/pmd-apex/7.5.0-SNAPSHOT/net/sourceforge/pmd/lang/apex/ApexLanguageModule.html#"><code>ApexLanguageModule</code></a></li>
<li class="list-group-item">Id: apex</li>
<li class="list-group-item">PMD: ✔️</li>
<li class="list-group-item">CPD: ✔️</li>
</ul>
</div>
</details>
<h2 id="metrics-framework">Metrics framework</h2>
<p>In order to use code metrics in Apex, use the metrics constants in <a href="https://docs.pmd-code.org/apidocs/pmd-apex/7.5.0-SNAPSHOT/net/sourceforge/pmd/lang/apex/metrics/ApexMetrics.html#"><code>ApexMetrics</code></a>,
together with <a href="https://docs.pmd-code.org/apidocs/pmd-core/7.5.0-SNAPSHOT/net/sourceforge/pmd/lang/metrics/MetricsUtil.html#"><code>MetricsUtil</code></a>.</p>
<h2 id="multifile-analysis">Multifile Analysis</h2>
<p>Integration happens in <a href="https://docs.pmd-code.org/apidocs/pmd-apex/7.5.0-SNAPSHOT/net/sourceforge/pmd/lang/apex/multifile/ApexMultifileAnalysis.html#"><code>ApexMultifileAnalysis</code></a>. It uses
<a href="https://github.com/nawforce/apex-link">ApexLink</a>. For detailed information, see also <a href="https://github.com/pmd/pmd/pull/2830">Apexlink POC #2830</a>.</p>
<div class="alert alert-info" role="alert"><i class="fas fa-info-circle"></i> <b>Note:</b> ApexLinks new home: <a href="https://github.com/apex-dev-tools">https://github.com/apex-dev-tools</a></div>
<p>Used for rule <a href="pmd_rules_apex_design.html#unusedmethod"><code class="language-plaintext highlighter-rouge">UnusedMethod</code></a></p>
<h2 id="language-properties">Language Properties</h2>
<p>See <a href="pmd_languages_configuration.html#apex-language-properties">Apex language properties</a></p>
<h2 id="parser">Parser</h2>
<p>Since PMD 7.0.0 we use the open source <a href="https://github.com/apex-dev-tools/apex-parser">apex-parser</a>,
together with <a href="https://github.com/google/summit-ast">Summit AST</a> which translates the ANTLR parse tree
into an AST.</p>
<p>When PMD added Apex support with version 5.5.0, it utilized the Apex Jorje library to parse Apex source
and generate an AST. This library is however a binary-blob provided as part of the
<a href="https://github.com/forcedotcom/salesforcedx-vscode">Salesforce Extensions for VS Code</a>, and it is closed-source.</p>
<div class="tags">
<b>Tags: </b>
<a href="tag_languages.html" class="btn btn-outline-secondary navbar-btn cursorNorm" role="button">languages</a>
<a href="tag_PmdCapableLanguage.html" class="btn btn-outline-secondary navbar-btn cursorNorm" role="button">PmdCapableLanguage</a>
<a href="tag_CpdCapableLanguage.html" class="btn btn-outline-secondary navbar-btn cursorNorm" role="button">CpdCapableLanguage</a>
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