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evant/gradle-retrolambda

0
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5,258 stars·442 forks·Java·Apache-2.0·12 views

Gradle Retrolambda

gradle-retrolambda is a Gradle plugin and bytecode transformer designed to enable the use of modern Java lambda expressions in legacy Java and Android runtime environments. It functions as a backporting tool that ensures modern functional programming syntax remains compatible with older virtual machines.

The project transforms compiled class files to make them compatible with Java 6 and 7 environments. This allows for the use of modern Java features in projects that must maintain backward compatibility with older API levels and legacy Android devices.

The tool integrates into the Gradle build automation process, applying post-compilation transformations to modify binary output. It uses bytecode-level desugaring to convert lambda expressions into anonymous inner classes and generates compatible runtime bridges.

Features

  • Bytecode Desugaring - Transforms modern lambda expression instructions into compatible anonymous inner class bytecode for older Java runtime environments.
  • Build Lifecycle Hooks - Hooks into the standard Java compilation lifecycle to modify class files immediately after the compiler finishes.
  • Bytecode Transformers - Gradle plugin that converts Java lambda expressions into bytecode compatible with Java 6 and 7 environments.
  • Android Bytecode Compatibility Tools - Gradle extension that ensures modern Java source code runs on older Android devices by transforming lambda expressions.
  • Legacy Runtime Compatibility - Enables use of modern Java syntax in Android applications that must maintain compatibility with older API levels.
  • Bytecode Manipulation Libraries - Uses a low-level bytecode library to parse and rewrite Java class files without requiring original source code.
  • Cross-Version JVM Compilation - Allows writing code using modern Java features while targeting older versions of the Java Virtual Machine.
  • Legacy Application Support - Adds modern lambda expressions to projects running on Java 6 or Java 7 without upgrading the entire runtime environment.
  • Language Feature Backporting - Transforms modern lambda expressions into bytecode compatible with older Java runtime environments during compilation.
  • Gradle Build Systems - Integrates bytecode transformation into a Gradle build process to ensure Java lambdas work on older virtual machines.
  • Java Environments - Enables modern functional programming syntax in legacy Java and Android runtime environments.
  • Legacy Runtime Compatibility - Creates synthetic classes and methods that allow newer language features to execute on legacy virtual machines.
  • Post-Compilation Transformations - Modifies the compiled binary output instead of altering the source code or the compiler frontend.
  • Advanced Development Frameworks - Gradle plugin for Java lambda support on older Android.
  • Development Productivity Tools - Enables modern language features on older runtime environments.

Star history

Star history chart for evant/gradle-retrolambdaStar history chart for evant/gradle-retrolambda

How this analysis was created: This summary and feature list were written by an AI model that read the project's README and public documentation pages. Each feature links to the documentation it came from; stars, license and language come straight from the GitHub API. The model does not read the source code, and the analysis is refreshed when the project is re-analysed. Learn more on our About page.

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Frequently asked questions

What does evant/gradle-retrolambda do?

gradle-retrolambda is a Gradle plugin and bytecode transformer designed to enable the use of modern Java lambda expressions in legacy Java and Android runtime environments. It functions as a backporting tool that ensures modern functional programming syntax remains compatible with older virtual machines.

What are the main features of evant/gradle-retrolambda?

The main features of evant/gradle-retrolambda are: Bytecode Desugaring, Build Lifecycle Hooks, Bytecode Transformers, Android Bytecode Compatibility Tools, Legacy Runtime Compatibility, Bytecode Manipulation Libraries, Cross-Version JVM Compilation, Legacy Application Support.

What are some open-source alternatives to evant/gradle-retrolambda?

Open-source alternatives to evant/gradle-retrolambda include: cglib/cglib — cglib is a suite of tools for JVM bytecode generation, class transformation, and dynamic proxying. It provides a… mcxiaoke/packer-ng-plugin — This project is an Android Gradle build plugin designed to automate the creation of multiple channel-specific… symfony/polyfill-php72 — This project is a PHP compatibility polyfill designed to backport core functions and constants from PHP 7.2 to older… jboss-javassist/javassist — Javassist is a bytecode engineering toolkit for analyzing, modifying, and generating Java bytecode and class files. It… diobf/deobfuscator — Deobfuscator is a static analysis and manipulation framework designed to inspect and modify compiled Java class files… jetbrains/intellij-platform-plugin-template — This project is a standardized project scaffolding and build automation system for developing IntelliJ IDE plugins. It…