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yacc-to-tree-sitter

Converter from yacc to tree-sitter grammar format

Usage:

java -jar yacc-to-tree-sitter.jar languageName inputFile.y outputFile.js
  • Ignores semantic actions.
  • Ignores comments (after // and between /* and */).
  • Marks rules with empty productions as optional in places of usage.

Please note that this tool doesn't format generated code. For the readability of the resulting grammar, you need to use JavaScript formatter.