GPLEX A scanner generator which produces lexical scanners
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GPLEX Tags

generator generate scanner scanner generator lexical analyzer lexical search lexical-cohesion annotation lexical lexical resource viewer view lexical resource maintain lexical resource lexical analysis generate scanner lexical scanner lexical scanner generator create lexical scanner DFA lexical scanner lexical database lexical BNF grammar Recognize Lexical Pattern Lexical Pattern lexical learning scanners flatbed scanners scanners flatbed radio scanners

GPLEX Description

The GPLEX name stands for Gardens Point LEX. GPLEX was developed to be a scanner generator which produces lexical scanners written in C# V2 or higher. The input language is similar to the original LEX specification language, but allows full 21-bit Unicode scanners to be specified. There are a small number of examples of use included in the download package, and these are fully discussed in the documentation. For a more complex example GPLEX and the companion GPPG tool each themselves use scanners and parsers generated by GPLEX and GPPG. Main features: GPLEX generates scanners based around finite state automata. The generated automata have the number of states minimized by default, and have a large number of options for table compression. The default compression scheme is chosen depending on the input alphabet cardinality, and almost always gives a reasonable result. However a large number of options are available for the user to tune the behavior if necessary. The tool implements many of the FLEX extensions, including such things as start-state stacks. The generated scanners are designed to interface cleanly with bottom-up parsers generated by Gardens Point Parser Generator. However, gplex-generated scanners have been successfully used with both handwritten parsers and with parsers generated by COCO/R.

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