HandleHints

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An IntelliJ plugin providing inspections and visual enhancements for the Java MethodHandle, VarHandle, and Foreign Function & Memory APIs

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# HandleHints

![Build](https://github.com/SirYwell/HandleHints/workflows/Build/badge.svg)
[![Version](https://img.shields.io/jetbrains/plugin/v/24637.svg)](https://plugins.jetbrains.com/plugin/24637)
[![Downloads](https://img.shields.io/jetbrains/plugin/d/24637.svg)](https://plugins.jetbrains.com/plugin/24637)

This IntelliJ plugin helps when working with `MethodHandle`s, `VarHandle`s, 
and the [Foreign Function & Memory API](https://openjdk.org/jeps/454) by contributing type hints,
inspections, and enhanced auto completions.

### Features

- Dataflow-sensitive type analysis
- Support for methods from the `MethodHandles` class
- Support for methods from the `MethodHandles.Lookup` class
- Support for methods from the `MethodType` class
- Support for methods from the `MethodHandle` class
- Support for methods from `MemoryLayout` classes (type tracking for memory layouts)
- Support for methods from the `PathElement` class
- Precise type tracking for parameters and return types separately
- Inspections for supported creation/transformation/combination methods
- Inspections for `invoke` and `invokeExact` arguments and return type checks
- Inspections for invalid layout paths
- Inspections for misaligned struct layouts, with quick fixes for padding/alignment adjustment
- Inlay type hints

## Installation

- Using IDE built-in plugin system:
  
  <kbd>Settings/Preferences</kbd> > <kbd>Plugins</kbd> > <kbd>Marketplace</kbd> > <kbd>Search for "HandleHints"</kbd> >
  <kbd>Install Plugin</kbd>
  
- Manually:

Download the [latest release](https://github.com/SirYwell/HandleHints/releases/latest) and install it manually using
  <kbd>Settings/Preferences</kbd> > <kbd>Plugins</kbd> > <kbd>⚙️</kbd> > <kbd>Install plugin from disk...</kbd>

---
Plugin based on the [IntelliJ Platform Plugin Template][template].

[template]: https://github.com/JetBrains/intellij-platform-plugin-template

HandleHints

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