Instructions for running JavaCup

1. Click this to get the javaCup tar file.
2. Unzip the tar file using the following command:

    tar -xvf javaCup.tar

3. To run your javaCup, in the directory that is one layer above java_cup,  type

    java java_cup.Main < yourCupFile 

   The above command will generate the parser. It needs to work together with a scanner. You can also look at the script files calc and calc2, to see the sequence of command to run the program. Note that JLex package should be also under your current directory. You can run those commands in sequence automatically. In Unix/Linux/Ubunto/OS X, type

   calc
   

   to run the sequence of command. Before the first time you run it, you need to change the access mode by typing

    chmod 755 calc

In Windows command line, you need to save the file as calc.bati, then type

calc

without .bat.