| 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 |
| |
| http://www.linuxgazette.com/issue39/sevenich.html |
| |
| Small changes and updates to newest JFlex+Cup versions by Gerwin Klein |
| |
| |
| To compile: |
| >jflex lcalc.flex |
| >java java_cup.Main < ycalc.cup |
| >javac Main.java |
| |
| To run: |
| >java Main test.txt |
| |
| |
| Files: |
| |
| Main.java demo of a main program |
| Makefile makefile to compile and test the example |
| README this file |
| lcalc.flex the lexer spec |
| output.good how the output should look like for the test |
| ycalc.cup the parser spec |
| test.txt sample input for testing |
| |
