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Compiling JFlex example with BYACC/J
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jflex-byaccj-example.md

Compiling JFlex example with BYACC/J

Target system

$ uname -svprmio; java -version; javac -version
Linux 3.5.0-23-generic #35~precise1-Ubuntu SMP Fri Jan 25 17:13:26 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
java version "1.7.0_51"
OpenJDK Runtime Environment (IcedTea 2.4.4) (7u51-2.4.4-0ubuntu0.12.04.2)
OpenJDK 64-Bit Server VM (build 24.45-b08, mixed mode)
javac 1.7.0_51

Install jflex and byacc-j on Ubuntu

$ sudo aptitude install jflex byacc-j

You can also download byacc-j from this site: http://byaccj.sourceforge.net/

Checkout JFlex code from GitHub

$ git clone https://github.com/moy/JFlex.git

Compile the example

$ cd JFlex/jflex/examples/byaccj
$ make

Run the example

$ java Parser
BYACC/Java with JFlex Calculator Demo
[Quit with CTRL-D]
Expression: 10 + 12 * 0.1
 = 11.2
Expression: 10 + 12 * 0.5 / 1.2
 = 15.0
Expression: 
Have a nice day
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