HandleHints

This IntelliJ plugin helps when working with MethodHandles, VarHandles, and the Foreign Function & Memory API 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:

  Settings/Preferences > Plugins > Marketplace > Search for "HandleHints" > Install Plugin

• Manually:

  Download the latest release and install it manually using Settings/Preferences > Plugins > ⚙️ > Install plugin from disk...

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Plugin based on the IntelliJ Platform Plugin Template.