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DFA regular expression library & friends
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katef/libfsm
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libfsm and friends: NFA, DFA, regular expressions and lexical analysis Lexing is the process of categorising a stream of items by their spellings. The output from this process is a stream of tokens, each of a specific lexeme category, which are most commonly input to a parser responsible for asserting the order of these tokens is valid. lx is an attempt to produce a simple, expressive, and unobtrusive lexer generator which is good at lexing, does just lexing, is language independent, and has no other features. You get: libfsm - library for manipulating FSM (NFA and DFA) libre - library for compiling regular expressions to NFA fsm(1) - command line interface for FSM re(1) - command line interface for executing regular expressions lx(1) - lexer generator Clone with submodules (contains required .mk files): ; git clone --recursive https://github.com/katef/libfsm.git To build and install: ; pmake -r install You can override a few things: ; CC=clang PREFIX=$HOME pmake -r install Building depends on: * Any BSD make. This includes OpenBSD, FreeBSD and NetBSD make(1) and sjg's portable bmake (also packaged as pmake). * A C compiler. Any should do, but GCC and clang are best supported. * ar, ld, and a bunch of other stuff you probably already have. Fuzzing depends on the theft property-based testing library: * https://github.com/silentbicycle/theft Tests are currently based on the libtheft 0.4.2 API. Ideas, comments or bugs: kate@elide.org
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DFA regular expression library & friends