antlr4
https://github.com/antlr/antlr4
Java
ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.
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- Issues
- Display parse tree visually in web browser
- No viable alternative can be incorrectly thrown for start rules without explicit EOF
- Java.stg: only cast if necessary
- An error deep in the code of an input class shows an error message starting at the class
- Show warning for epsilon alts in left-recursive rules
- Improved XPath support
- Command line option to specify super class
- The generated comment unicode-escapes the last backslash for windows paths
- Async/await in Antlr C#
- Maven and Eclipse plugins: option to put generated files in same dir as .g4
- Docs
- Java not yet supported