[ 源代码： happy ]
软件包：happy（1.20.1.1-1）
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: libc6 (>= 2.34)
- 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: libffi8 (>= 3.4)
- 外部函数接口库运行环境
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- dep: libgmp10 (>= 2:6.3.0+dfsg)
- 多精度运算库
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- sug: haskell-doc
- 软件包暂时不可用
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- sug: info-browser
- 本虚包由这些包填实： emacs-gtk, emacs-lucid, emacs-nox, emacs-pgtk, info, jed, jed-extra, konqueror, tkinfo, xjed