Evaluation of JFlex Scanner Generator Using Form Fields Validity Checking
Automatic lexical analyzer generators have been available
for decades now with implementations targeted for C/C++
languages. The advent of such a tool targeted to the Java
language opens up new horizons, not just for the language
users but for the Java platform and technology as a whole.
Work has also been done by the Java language developers
to incorporate much of the theory of lexical analysis into
the language. This paper focuses on the application of the
JFlex tool (a Java based lexical analyzer) towards the
generation of a standalone class that will work as one more
entity in a solution space. The study application is a lexer
that serves to check the validity of fields in a form.
Keywords: Lexical Analyzer, Complier Generators, Java Language, Validity Checking
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