a modern parsing library
Lark is a modern general-purpose parsing library for Python.
With Lark, you can parse any context-free grammar, efficiently, with very little code.
- Main Features:
Builds a parse-tree (AST) automagically, based on the structure of the grammar
- Earley parser
Can parse all context-free grammars
Full support for ambiguous grammars
- LALR(1) parser
Fast and light, competitive with PLY
Can generate a stand-alone parser
CYK parser, for highly ambiguous grammars
Unicode fully supported
Python 2 & 3 compatible
Automatic line & column tracking
Standard library of terminals (strings, numbers, names, etc.)
Import grammars from Nearley.js
Extensive test suite
And much more!
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