D:\Silvano\WWW\RLA\Parser>java -classpath D:/Silvano/Applicazioni/Traduttori/Cup_JFlex/JFlex/jflex-1.4.3/lib/JFlex.jar JFlex.Main *.flex
Reading "rla.flex"
Constructing NFA : 167 states in NFA
Converting NFA to DFA :
.................................................
51 states before minimization, 33 states in minimized DFA
Old file "Scanner.java" saved as "Scanner.java~"
Writing code to "Scanner.java"
ERRORLEVEL=0

D:\Silvano\WWW\RLA\Parser>java -classpath D:/Silvano/Applicazioni/Traduttori/Cup_JFlex/Cup/java-cup-11a.jar java_cup.Main -parser rlac -interface *.cup
Warning : Terminal "ILLEGAL_CHARACTER" was declared but never used
------- CUP v0.11a beta 20060608 Parser Generation Summary -------
  0 errors and 1 warning
  24 terminals, 17 non-terminals, and 39 productions declared,
  producing 68 unique parse states.
  1 terminal declared but not used.
  0 non-terminal declared but not used.
  0 productions never reduced.
  0 conflicts detected (0 expected).
  Code written to "rlac.java", and "sym.java".
---------------------------------------------------- (v0.11a beta 20060608)
ERRORLEVEL=0

D:\Silvano\WWW\RLA\Parser>javac -classpath .;D:/Silvano/Applicazioni/Traduttori/Cup_JFlex/Cup/java-cup-11a-runtime.jar Scanner.java sym.java rlac.java JavaSymbol.java
ERRORLEVEL=0

D:\Silvano\WWW\RLA\Parser>java -classpath .;D:/Silvano/Applicazioni/Traduttori/Cup_JFlex/Cup/java-cup-11a.jar rlac Sample.rla
Parsing [Sample.rla]
Error (line: 2 , column: 10 , lexeme: '1a' , sym: INPUTSYMBOL , value: '1a') : Syntax error
Error (line: 2 , column: 10 , lexeme: '1a' , sym: INPUTSYMBOL , value: '1a') : Couldn't repair and continue parse
java.lang.RuntimeException: Fatal Syntax Error
        at rlac.report_fatal_error(rlac.java:210)
        at java_cup.runtime.lr_parser.unrecovered_syntax_error(lr_parser.java:424)
        at java_cup.runtime.lr_parser.parse(lr_parser.java:616)
        at rlac.main(rlac.java:186)