public class Token{

public int kind;

public Token(String spelling){

kind = -1;

for(int k = ATTRIB; k <= CONSUMER; k++)

if(spelling.equals(spellings[k])){

this.kind = (byte)k;

break;

}

}

public final static byte

ATTRIB = 0, //attrib

COPY = 1, //copy

DATE = 2, //date

DELETE = 3, //delete

DIR = 4, //dir

EDIT = 5, //edit

EXEC = 6, //exec

EXIT = 7, //exit

MKDIR = 8, //mkdir

RENAME = 9, //rename

RMDIR = 10, //rmdir

TIME = 11, //time

PRODUCER = 12, // producer-consumer program

CONSUMER = 13;

private final static String[] spellings = {

"attrib", "copy", "date", "delete", "dir", "edit", "exec",

"exit", "mkdir", "rename", "rmdir", "time","prod","consum"

};

}