Overview - Declarative Gradle

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xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M17 18c.56 0 1 .44 1 1s-.44 1-1 1-1-.44-1-1 .44-1 1-1m0-3c-2.73 0-5.06 1.66-6 4 .94 2.34 3.27 4 6 4s5.06-1.66 6-4c-.94-2.34-3.27-4-6-4m0 6.5a2.5 2.5 0 0 1-2.5-2.5 2.5 2.5 0 0 1 2.5-2.5 2.5 2.5 0 0 1 2.5 2.5 2.5 2.5 0 0 1-2.5 2.5M9.27 20H6V4h7v5h5v4.07c.7.08 1.36.25 2 .49V8l-6-6H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h4.5a8.15 8.15 0 0 1-1.23-2Z"/></svg> </a> <div><h1 id="declarative-gradle">Declarative Gradle<a class="headerlink" href="#declarative-gradle" title="Permanent link">#</a></h1> <p><a href="https://gradle.org/slack-invite"><img alt="a" src="https://img.shields.io/badge/slack-%23declarative_gradle-brightgreen?style=flat&logo=slack"></a> <a href="docs/getting-started/"><img alt="a" src="https://img.shields.io/badge/Getting-Started-blue?style=flat"></a> <a href="docs/ROADMAP/"><img alt="a" src="https://img.shields.io/badge/Roadmap-Public-brightgreen?style=flat"></a></p> <p>At Gradle, part of our vision is to provide an elegant and extensible declarative build language that enables expressing any build in a clear and understandable way. We are working on <em>Declarative Gradle</em> to realize that part of the vision. This is an experimental project, stay tuned for updates!</p> <p>Learn more in the <a href="https://blog.gradle.org/declarative-gradle">Declarative Gradle Announcement</a> blog post and <a href="docs/publications/">other publications</a>.</p> <h2 id="status">Status<a class="headerlink" href="#status" title="Permanent link">#</a></h2> <p><em>Declarative Gradle</em> is an <strong>experimental</strong> project, now in its <a href="docs/EAP2/">second Early Access Preview (EAP)</a>. We invite you to <a href="docs/getting-started/">try out Declarative Gradle</a>, and to <a href="docs/feedback/">share feedback</a>. The project includes the following experimental parts:</p> <ul> <li>Software Types as a declarative modeling framework</li> <li>Changes in Gradle to support DCL files</li> <li>Changes in Android Studio to support DCL files</li> <li>A Visual Studio Code extension to support DCL files</li> <li>An Eclipse IDE plugin to support DCL files</li> <li>Prototype plugins demonstrating software types and higher-level models</li> <li>A Gradle test client demonstrating features not yet implemented in the IDE</li> </ul> <p>Currently, no compatibility is guaranteed, and there is no commitment to the DSL syntax and available features. Learn how you can contribute in the <a href="docs/CONTRIBUTING/">Participate</a> section.</p> <p><a class="button button--blue" href="./docs/feedback"> Share Your Feedback </a></p> <h2 id="key-principles">Key Principles<a class="headerlink" href="#key-principles" title="Permanent link">#</a></h2> <ul> <li><strong>Ease of use</strong> for regular software developers. Software developers should be able to define any software and build their projects without the need to understand the details of how the build system works.</li> <li><strong>Complete flexibility</strong> for build engineers and advanced users. Experienced Gradle users should maintain the current level of flexibility and be able to automate a wide range of software build automation scenarios with custom build logic.</li> <li><strong>Excellent IDE integration.</strong> Importing the software project to the IDE and interacting with it should be fast and fully reliable. IDEs and other tools should be able to change the definition automatically or through UI reliably.</li> </ul> <p>We implement those principles through a <em>declarative DSL</em> which is a tailored tiny subset of the Kotlin language. The <a href="https://blog.gradle.org/declarative-gradle">Declarative Gradle Announcement</a> outlines more details about the project and the new Declarative DSL we are building.</p>  <h2 id="a-glimpse">A Glimpse<a class="headerlink" href="#a-glimpse" title="Permanent link">#</a></h2> <p>Here is a very brief example of what the Declarative Gradle syntax looks like for a Java application.</p> <div class="language-kotlin highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="n">javaApplication</span><span class="w"> </span><span class="p">{</span> </span><span id="__span-0-2"><a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a><span class="w"> </span><span class="n">javaVersion</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="m">21</span> </span><span id="__span-0-3"><a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a><span class="w"> </span><span class="n">mainClass</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s">"com.example.App"</span> </span><span id="__span-0-4"><a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a> </span><span id="__span-0-5"><a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a><span class="w"> </span><span class="n">dependencies</span><span class="w"> </span><span class="p">{</span> </span><span id="__span-0-6"><a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a><span class="w"> </span><span class="n">implementation</span><span class="p">(</span><span class="n">project</span><span class="p">(</span><span class="s">":java-util"</span><span class="p">))</span> </span><span id="__span-0-7"><a id="__codelineno-0-7" name="__codelineno-0-7" href="#__codelineno-0-7"></a><span class="w"> </span><span class="n">implementation</span><span class="p">(</span><span class="s">"com.google.guava:guava:32.1.3-jre"</span><span class="p">)</span> </span><span id="__span-0-8"><a id="__codelineno-0-8" name="__codelineno-0-8" href="#__codelineno-0-8"></a><span class="w"> </span><span class="p">}</span> </span><span id="__span-0-9"><a id="__codelineno-0-9" name="__codelineno-0-9" href="#__codelineno-0-9"></a><span class="p">}</span> </span></code></pre></div> <p>Looks familiar, right?</p> <p>As noted above, this syntax is experimental and might change during the experiment.</p> <h2 id="learn-more">Learn More<a class="headerlink" href="#learn-more" title="Permanent link">#</a></h2> <p>The <em>Declarative Gradle</em> experiment is still in an early stage but is ready for your feedback!</p> <ul> <li><a href="docs/getting-started/">Getting Started</a> - Learn how to try <em>Declarative Gradle</em> yourself.</li> <li><a href="docs/reference/">Documentation</a> - Learn about the fundamentals behind <em>Declarative Gradle</em>.</li> <li><a href="docs/CONTRIBUTING/">Participate</a> - Learn how you can help shape the future of <em>Declarative Gradle</em>.</li> <li><a href="docs/publications/">Resources</a> - Learn more from conferences, interviews, articles, etc.</li> </ul> <h2 id="share-feedback">Share Feedback<a class="headerlink" href="#share-feedback" title="Permanent link">#</a></h2> <p>We invite you to <a href="docs/getting-started/">try out Declarative Gradle</a>, and to <a href="docs/feedback/">share your feedback</a>.</p></div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> <script>var 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Overview - Declarative Gradle