erlang-neotoma
parser generator for Erlang
Description
Neotoma is a packrat parser-generator for Erlang for Parsing Expression Grammars (PEGs). It consists of a parsing-combinator library with memoization routines, a parser for PEGs, and a utility to generate parsers from PEGs. It is inspired by treetop, a Ruby library with similar aims, and parsec, the parser-combinator library for Haskell. Features include: - Simple, declarative parsers generated from even simpler grammars.
- Fully integrated, single-pass lexical and syntactic analysis (a
feature of PEGs).
- Packrat-style memoization, boasting parse-time bound linearly to
the input size (at the expense of memory usage).
- In-place semantic analysis/transformation, supporting single-pass
end-to-end in some applications.
- Erlang code-generation for the lexical/syntactic analysis piece,
with the option of semantic analysis/transformation inline, or in
a separate module.
- Line/column number tracking for easy resolution of parsing
errors.
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Homepage
https://github.com/seancribbs/neotoma
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