LEO
THE GMD LEX
LEX & YACC
DOCUMENTATION

TAURUS
THE GMD YACC
LEX and YACC are classical UNIX tools that serve to impose structure onto the input of a computer program.

LEX splits the input text into a sequence of tokens. These tokens are specified by regular expressions. If a pattern is recognized, a corresponding semantic action is executed.

LEO, the GMD LEX implementation, is available for Unix, Windows, and other platforms. It generates C or Java code.

LEO will be provided for download later this year.

GMD
GERMAN NATIONAL RESEARCH CENTER
FOR INFORMATION TECHNOLOGY


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