mirror of
https://github.com/hohn/codeql-info.git
synced 2025-12-16 20:53:04 +01:00
236 lines
16 KiB
HTML
236 lines
16 KiB
HTML
<!DOCTYPE html>
|
|
|
|
<html lang="en" data-content_root="../">
|
|
<head>
|
|
<meta charset="utf-8" />
|
|
<meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="viewport" content="width=device-width, initial-scale=1" />
|
|
|
|
<title>CodeQL for Java — CodeQL</title>
|
|
<link rel="stylesheet" type="text/css" href="../_static/pygments.css?v=fa44fd50" />
|
|
<link rel="stylesheet" type="text/css" href="../_static/alabaster.css?v=93459777" />
|
|
<script src="../_static/documentation_options.js?v=5929fcd5"></script>
|
|
<script src="../_static/doctools.js?v=888ff710"></script>
|
|
<script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
|
|
<link rel="icon" href="../_static/favicon.ico"/>
|
|
<link rel="index" title="Index" href="../genindex.html" />
|
|
<link rel="search" title="Search" href="../search.html" />
|
|
<link rel="next" title="Basic query for Java code" href="basic-query-for-java-code.html" />
|
|
<link rel="prev" title="Modeling data flow in Go libraries" href="modeling-data-flow-in-go-libraries.html" />
|
|
|
|
<title>CodeQL docs</title>
|
|
<meta name="viewport" content="width=device-width, initial-scale=1" />
|
|
<link rel="stylesheet" href="../_static/custom.css" type="text/css" />
|
|
<link rel="stylesheet" href="../_static/primer.css" type="text/css" />
|
|
|
|
|
|
</head><body>
|
|
<header class="Header">
|
|
<div class="Header-item--full">
|
|
<a href="https://codeql.github.com/docs" class="Header-link f2 d-flex flex-items-center">
|
|
<!-- <%= octicon "mark-github", class: "mr-2", height: 32 %> -->
|
|
<svg height="32" class="octicon octicon-mark-github mr-2" viewBox="0 0 16 16" version="1.1" width="32"
|
|
aria-hidden="true">
|
|
<path fill-rule="evenodd"
|
|
d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0 0 16 8c0-4.42-3.58-8-8-8z">
|
|
</path>
|
|
</svg>
|
|
<span class="hide-sm">CodeQL documentation</span>
|
|
</a>
|
|
</div>
|
|
<div class="Header-item hide-sm hide-md">
|
|
<script src="https://addsearch.com/js/?key=93b4d287e2fc079a4089412b669785d5&categories=!0xhelp.semmle.com,0xcodeql.github.com,1xdocs,1xcodeql-standard-libraries,1xcodeql-query-help"></script>
|
|
</div>
|
|
<div class="Header-item">
|
|
|
|
<details class="dropdown details-reset details-overlay d-inline-block">
|
|
<summary class="btn bg-gray-dark text-white border" aria-haspopup="true">
|
|
CodeQL resources
|
|
<div class="dropdown-caret"></div>
|
|
</summary>
|
|
|
|
<ul class="dropdown-menu dropdown-menu-se dropdown-menu-dark">
|
|
<li><a class="dropdown-item" href="https://codeql.github.com/docs/codeql-overview">CodeQL overview</a></li>
|
|
<li class="dropdown-divider" role="separator"></li>
|
|
<div class="dropdown-header">
|
|
CodeQL tools
|
|
</div>
|
|
<li><a class="dropdown-item" href="https://codeql.github.com/docs/codeql-for-visual-studio-code">CodeQL for VS Code</a>
|
|
<li><a class="dropdown-item" href="https://codeql.github.com/docs/codeql-cli">CodeQL CLI</a>
|
|
</li>
|
|
<li class="dropdown-divider" role="separator"></li>
|
|
<div class="dropdown-header">
|
|
CodeQL guides
|
|
</div>
|
|
<li><a class="dropdown-item" href="https://codeql.github.com/docs/writing-codeql-queries">Writing CodeQL queries</a></li>
|
|
<li><a class="dropdown-item" href="https://codeql.github.com/docs/codeql-language-guides">CodeQL language guides</a>
|
|
<li class="dropdown-divider" role="separator"></li>
|
|
<div class="dropdown-header">
|
|
Reference docs
|
|
</div>
|
|
<li><a class="dropdown-item" href="https://codeql.github.com/docs/ql-language-reference/">QL language
|
|
reference</a>
|
|
<li><a class="dropdown-item" href="https://codeql.github.com/codeql-standard-libraries">CodeQL
|
|
standard-libraries</a>
|
|
<li><a class="dropdown-item" href="https://codeql.github.com/codeql-query-help">CodeQL
|
|
query help</a>
|
|
<li class="dropdown-divider" role="separator"></li>
|
|
<div class="dropdown-header">
|
|
Source files
|
|
</div>
|
|
<li><a class="dropdown-item" href="https://github.com/github/codeql">CodeQL repository</a>
|
|
</ul>
|
|
</details>
|
|
|
|
</div>
|
|
|
|
</header>
|
|
<main class="bg-gray-light clearfix">
|
|
<nav class="SideNav position-sticky top-0 col-lg-3 col-md-3 float-left p-4 hide-sm hide-md overflow-y-auto">
|
|
|
|
<ul class="current">
|
|
<li class="toctree-l1"><a class="reference internal" href="../codeql-overview/index.html">CodeQL overview</a></li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../codeql-for-visual-studio-code/index.html">CodeQL for Visual Studio Code</a></li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../codeql-cli/index.html">CodeQL CLI</a></li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../writing-codeql-queries/index.html">Writing CodeQL queries</a></li>
|
|
<li class="toctree-l1 current"><a class="reference internal" href="index.html">CodeQL language guides</a><ul class="current">
|
|
<li class="toctree-l2"><a class="reference internal" href="codeql-for-cpp.html">CodeQL for C and C++</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="codeql-for-csharp.html">CodeQL for C#</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="codeql-for-go.html">CodeQL for Go</a></li>
|
|
<li class="toctree-l2 current"><a class="current reference internal" href="#">CodeQL for Java</a><ul>
|
|
<li class="toctree-l3"><a class="reference internal" href="basic-query-for-java-code.html">Basic query for Java code</a></li>
|
|
<li class="toctree-l3"><a class="reference internal" href="codeql-library-for-java.html">CodeQL library for Java</a></li>
|
|
<li class="toctree-l3"><a class="reference internal" href="analyzing-data-flow-in-java.html">Analyzing data flow in Java</a></li>
|
|
<li class="toctree-l3"><a class="reference internal" href="types-in-java.html">Types in Java</a></li>
|
|
<li class="toctree-l3"><a class="reference internal" href="overflow-prone-comparisons-in-java.html">Overflow-prone comparisons in Java</a></li>
|
|
<li class="toctree-l3"><a class="reference internal" href="navigating-the-call-graph.html">Navigating the call graph</a></li>
|
|
<li class="toctree-l3"><a class="reference internal" href="annotations-in-java.html">Annotations in Java</a></li>
|
|
<li class="toctree-l3"><a class="reference internal" href="javadoc.html">Javadoc</a></li>
|
|
<li class="toctree-l3"><a class="reference internal" href="working-with-source-locations.html">Working with source locations</a></li>
|
|
<li class="toctree-l3"><a class="reference internal" href="abstract-syntax-tree-classes-for-working-with-java-programs.html">Abstract syntax tree classes for working with Java programs</a></li>
|
|
</ul>
|
|
</li>
|
|
<li class="toctree-l2"><a class="reference internal" href="codeql-for-javascript.html">CodeQL for JavaScript</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="codeql-for-python.html">CodeQL for Python</a></li>
|
|
<li class="toctree-l2"><a class="reference internal" href="codeql-for-ruby.html">CodeQL for Ruby</a></li>
|
|
</ul>
|
|
</li>
|
|
<li class="toctree-l1"><a class="reference internal" href="../ql-language-reference/index.html">QL language reference</a></li>
|
|
</ul>
|
|
|
|
|
|
</nav>
|
|
|
|
|
|
<div class="body col-sm-12 col-md-9 col-lg-9 float-left border-left">
|
|
|
|
<div class="hide-lg hide-xl px-4 pt-4">
|
|
|
|
<div class="related" role="navigation" aria-label="related navigation">
|
|
<ul>
|
|
<li class="nav-item nav-item-0"><a href="../contents.html">CodeQL</a> »</li>
|
|
<li class="nav-item nav-item-1"><a href="index.html"
|
|
accesskey="U">CodeQL language guides</a> »</li>
|
|
</ul>
|
|
</div>
|
|
</div>
|
|
|
|
<article class="p-4 col-lg-10 col-md-10 col-sm-12">
|
|
|
|
<section id="codeql-for-java">
|
|
<span id="id1"></span><h1>CodeQL for Java<a class="headerlink" href="#codeql-for-java" title="Link to this heading">¶</a></h1>
|
|
<p>Experiment and learn how to write effective and efficient queries for CodeQL databases generated from Java codebases.</p>
|
|
<div class="toctree-wrapper compound">
|
|
</div>
|
|
<ul class="simple">
|
|
<li><p><a class="reference internal" href="basic-query-for-java-code.html"><span class="doc">Basic query for Java code</span></a>: Learn to write and run a simple CodeQL query using LGTM.</p></li>
|
|
<li><p><a class="reference internal" href="codeql-library-for-java.html"><span class="doc">CodeQL library for Java</span></a>: When analyzing Java code, you can use the large collection of classes in the CodeQL library for Java.</p></li>
|
|
<li><p><a class="reference internal" href="analyzing-data-flow-in-java.html"><span class="doc">Analyzing data flow in Java</span></a>: You can use CodeQL to track the flow of data through a Java program to its use.</p></li>
|
|
<li><p><a class="reference internal" href="types-in-java.html"><span class="doc">Java types</span></a>: You can use CodeQL to find out information about data types used in Java code. This allows you to write queries to identify specific type-related issues.</p></li>
|
|
<li><p><a class="reference internal" href="overflow-prone-comparisons-in-java.html"><span class="doc">Overflow-prone comparisons in Java</span></a>: You can use CodeQL to check for comparisons in Java code where one side of the comparison is prone to overflow.</p></li>
|
|
<li><p><a class="reference internal" href="navigating-the-call-graph.html"><span class="doc">Navigating the call graph</span></a>: CodeQL has classes for identifying code that calls other code, and code that can be called from elsewhere. This allows you to find, for example, methods that are never used.</p></li>
|
|
<li><p><a class="reference internal" href="annotations-in-java.html"><span class="doc">Annotations in Java</span></a>: CodeQL databases of Java projects contain information about all annotations attached to program elements.</p></li>
|
|
<li><p><a class="reference internal" href="javadoc.html"><span class="doc">Javadoc</span></a>: You can use CodeQL to find errors in Javadoc comments in Java code.</p></li>
|
|
<li><p><a class="reference internal" href="working-with-source-locations.html"><span class="doc">Working with source locations</span></a>: You can use the location of entities within Java code to look for potential errors. Locations allow you to deduce the presence, or absence, of white space which, in some cases, may indicate a problem.</p></li>
|
|
<li><p><a class="reference internal" href="abstract-syntax-tree-classes-for-working-with-java-programs.html"><span class="doc">Abstract syntax tree classes for working with Java programs</span></a>: CodeQL has a large selection of classes for representing the abstract syntax tree of Java programs.</p></li>
|
|
</ul>
|
|
</section>
|
|
|
|
|
|
</article>
|
|
|
|
<!-- GitHub footer, with links to terms and privacy statement -->
|
|
<div class="px-3 px-md-6 f6 py-4 d-sm-flex flex-justify-between flex-row-reverse flex-items-center border-top">
|
|
<ul class="list-style-none d-flex flex-items-center mb-3 mb-sm-0 lh-condensed-ultra">
|
|
<li class="mr-3">
|
|
<a href="https://twitter.com/github" title="GitHub on Twitter" style="color: #959da5;">
|
|
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 273.5 222.3" class="d-block" height="18">
|
|
<path
|
|
d="M273.5 26.3a109.77 109.77 0 0 1-32.2 8.8 56.07 56.07 0 0 0 24.7-31 113.39 113.39 0 0 1-35.7 13.6 56.1 56.1 0 0 0-97 38.4 54 54 0 0 0 1.5 12.8A159.68 159.68 0 0 1 19.1 10.3a56.12 56.12 0 0 0 17.4 74.9 56.06 56.06 0 0 1-25.4-7v.7a56.11 56.11 0 0 0 45 55 55.65 55.65 0 0 1-14.8 2 62.39 62.39 0 0 1-10.6-1 56.24 56.24 0 0 0 52.4 39 112.87 112.87 0 0 1-69.7 24 119 119 0 0 1-13.4-.8 158.83 158.83 0 0 0 86 25.2c103.2 0 159.6-85.5 159.6-159.6 0-2.4-.1-4.9-.2-7.3a114.25 114.25 0 0 0 28.1-29.1"
|
|
fill="currentColor"></path>
|
|
</svg>
|
|
</a>
|
|
</li>
|
|
<li class="mr-3">
|
|
<a href="https://www.facebook.com/GitHub" title="GitHub on Facebook" style="color: #959da5;">
|
|
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 15.3 15.4" class="d-block" height="18">
|
|
<path
|
|
d="M14.5 0H.8a.88.88 0 0 0-.8.9v13.6a.88.88 0 0 0 .8.9h7.3v-6h-2V7.1h2V5.4a2.87 2.87 0 0 1 2.5-3.1h.5a10.87 10.87 0 0 1 1.8.1v2.1h-1.3c-1 0-1.1.5-1.1 1.1v1.5h2.3l-.3 2.3h-2v5.9h3.9a.88.88 0 0 0 .9-.8V.8a.86.86 0 0 0-.8-.8z"
|
|
fill="currentColor"></path>
|
|
</svg>
|
|
</a>
|
|
</li>
|
|
<li class="mr-3">
|
|
<a href="https://www.youtube.com/github" title="GitHub on YouTube" style="color: #959da5;">
|
|
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 19.17 13.6" class="d-block" height="16">
|
|
<path
|
|
d="M18.77 2.13A2.4 2.4 0 0 0 17.09.42C15.59 0 9.58 0 9.58 0a57.55 57.55 0 0 0-7.5.4A2.49 2.49 0 0 0 .39 2.13 26.27 26.27 0 0 0 0 6.8a26.15 26.15 0 0 0 .39 4.67 2.43 2.43 0 0 0 1.69 1.71c1.52.42 7.5.42 7.5.42a57.69 57.69 0 0 0 7.51-.4 2.4 2.4 0 0 0 1.68-1.71 25.63 25.63 0 0 0 .4-4.67 24 24 0 0 0-.4-4.69zM7.67 9.71V3.89l5 2.91z"
|
|
fill="currentColor"></path>
|
|
</svg>
|
|
</a>
|
|
</li>
|
|
<li class="mr-3 flex-self-start">
|
|
<a href="https://www.linkedin.com/company/github" title="GitHub on Linkedin" style="color: #959da5;">
|
|
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 19 18" class="d-block" height="18">
|
|
<path
|
|
d="M3.94 2A2 2 0 1 1 2 0a2 2 0 0 1 1.94 2zM4 5.48H0V18h4zm6.32 0H6.34V18h3.94v-6.57c0-3.66 4.77-4 4.77 0V18H19v-7.93c0-6.17-7.06-5.94-8.72-2.91z"
|
|
fill="currentColor"></path>
|
|
</svg>
|
|
</a>
|
|
</li>
|
|
<li>
|
|
<a href="https://github.com/github" title="GitHub's organization" style="color: #959da5;">
|
|
<svg version="1.1" width="20" height="20" viewBox="0 0 16 16" class="octicon octicon-mark-github"
|
|
aria-hidden="true">
|
|
<path fill-rule="evenodd"
|
|
d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0016 8c0-4.42-3.58-8-8-8z">
|
|
</path>
|
|
</svg>
|
|
</a>
|
|
</li>
|
|
</ul>
|
|
<ul class="list-style-none d-flex text-gray">
|
|
<li class="mr-3">©
|
|
<script type="text/javascript">document.write(new Date().getFullYear());</script> GitHub, Inc.</li>
|
|
<li class="mr-3"><a
|
|
href="https://docs.github.com/github/site-policy/github-terms-of-service"
|
|
class="link-gray">Terms </a></li>
|
|
<li><a href="https://docs.github.com/github/site-policy/github-privacy-statement"
|
|
class="link-gray">Privacy </a></li>
|
|
</ul>
|
|
</div>
|
|
</div>
|
|
</main>
|
|
|
|
<script type="text/javascript">
|
|
$(document).ready(function () {
|
|
$(".toggle > *").hide();
|
|
$(".toggle .name").show();
|
|
$(".toggle .name").click(function () {
|
|
$(this).parent().children().not(".name").toggle(400);
|
|
$(this).parent().children(".name").toggleClass("open");
|
|
})
|
|
});
|
|
</script>
|
|
|
|
</body>
|
|
</html> |