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Happy is a parser generator for Haskell. Given a grammar specification in BNF, Happy generates Haskell code to parse the grammar. Happy works in a similar way to the yacc tool for C.
This library provides the following functionality:
Data type definitions for the Grammar AST type, capturing the information in .y-files (Happy.Grammar)
A parser for happy grammar files (.y) to produce a Grammar (Happy.Frontend.*)
Implementations of the text book algorithms that compute the LR action and goto tables for the given Grammar (Happy.Tabular.*)
An LALR code generator to produce table-driven, deterministic parsing code in Haskell (Happy.Backend.LALR.*)
A (less maintained) GLR code generator to produce table-driven, non-deterministic parsing code in Haskell, where ambiguous parses produce multiple parse trees (Happy.Backend.GLR.*)
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Properties Versions 2.0, 2.0.1, 2.0.1, 2.0.2, 2.1, 2.1.1, 2.1.2, 2.1.3, 2.1.4, 2.1.5 Change log ChangeLog.md Dependencies array (>=0.5), base (>=4.9 && <5), containers (>=0.4.2), happy-lib, mtl (>=2.2.1), transformers (>=0.5.6.2) [details] License BSD-2-Clause Copyright (c) Andy Gill, Simon Marlow Author Andy Gill and Simon Marlow Maintainer https://github.com/haskell/happy Category Development Home page https://www.haskell.org/happy/ Bug tracker https://github.com/haskell/happy/issues Source repo head: git clone https://github.com/haskell/happy.git Uploaded by sgraf812 at 2024-09-20T10:44:26Z library happy-lib Modules[Index] [Quick Jump]
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HappyHappy is a parser generator for Haskell 98 (and later).
Happy Parsing!
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