vscode-antlr4 is a Visual Studio Code extension that provides comprehensive support for ANTLR4 grammar development. It enhances the editing experience by offering syntax highlighting, code completion, error checking, and visualization tools, making it easier to design and debug grammars within the VS Code environment. The extension supports various target languages and integrates seamlessly with ANTLR4's toolchain.

Features

  • Syntax highlighting for ANTLR grammars (.g and .g4 files) with custom themes
  • Code completion and symbol navigation, including hover information and go-to-definition
  • Real-time syntax and semantic error checking using ANTLR4
  • Generation of railroad diagrams and ATN graphs for grammar visualization
  • Grammar debugging with support for breakpoints and step execution
  • Configurable parser generation for multiple target languages​

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License

MIT License

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Additional Project Details

Programming Language

TypeScript

Related Categories

TypeScript Libraries

Registered

2025-04-25