lexical analyzer generator for Java
It is also a rewrite of the very useful tool JLex which was developed
by Elliot Berk at Princeton University. As Vern Paxon states for
his C/C++ tool flex : They do not share any code though.
JFlex is designed to work together with the LALR parser generator CUP
by Scott Hudson, and the Java modification of Berkeley Yacc BYacc/J
by Bob Jamison. It can also be used together with other parser generators
like ANTLR or as a standalone tool.
This directory contains a small example of a scanner for binary files.
The example tries to detect if an input file is a java class file by
checking if the first 4 bytes contain the magic number 0xCAFEBABE.
It uses a custom Reader class that copies bytes to characters one to
one. The characters the scanner gets to read are the bytes from the
input stream without any conversion. Many thanks to Ste
This directory contains an interoperability example for BYacc/J and JFlex
(a small calculator)
You need the parser generator byacc/j from http://byaccj.sourceforge.net/
for this example to work (version byacc/j 1.1 has been tested).
Use the Makefile to generate the lexer and parser.
The example can then be started with
JFlex specification for the lexical part o
A small JFlex+Cup example
It comes from a short article series in the Linux Gazette by Richard
A. Sevenich and Christopher Lopes, titled "Compiler Construction
Tools". The article series starts at
Small changes and updates to newest JFlex+Cup versions by Gerwin Klein
>java java_cup.Main < ycalc.cup
This directory contains an interpreter for a small functional
programming language (called "AS"). It
This directory contains a scanner and parser for the Java programming language.
You need the parser
Gerwin Klein <email@example.com>
Régis Décamps <firstname.lastname@example.org>
This is a small Maven project that demeonstrates the use of maven-jflex-plugin.
This directory contains a scanner for a toy programming language.
It is the example from the JLex w
Browse inside jflex_1.4.3-1_all.deb
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