[ 源代码： happy ]
软件包：happy（1.19.9-6）
Parser generator for Haskell
Happy is a parser generator system for Haskell, similar to the tool `yacc' for C. Like `yacc', it takes a file containing an annotated BNF specification of a grammar and produces a Haskell module containing a parser for the grammar.
Happy is flexible: you can have several Happy parsers in the same program, and several entry points to a single grammar. Happy can work in conjunction with a lexical analyser supplied by the user (either hand-written or generated by another program), or it can parse a stream of characters directly (but this isn't practical in most cases).
其他与 happy 有关的软件包
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- dep: libatomic1 (>= 4.8)
- 提供 __atomic 内置函数的支持库
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- dep: libc6 (>= 2.27)
- GNU C 语言运行库：共享库
同时作为一个虚包由这些包填实： libc6-udeb
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- dep: libffi6 (>= 3.0.4) [除 arm64]
- 外部函数接口库运行环境
- dep: libffi6 (>= 3.2) [arm64]
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- dep: libgmp10
- 多精度运算库
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- sug: haskell-doc
- Assorted Haskell language documentation
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- sug: info-browser
- 本虚包由这些包填实： emacs-gtk, emacs-lucid, emacs-nox, info, jed, jed-extra, konqueror, pinfo, tkinfo, xemacs21-mule, xemacs21-mule-canna-wnn, xemacs21-nomule, xjed