java -classpath D:\engcon_work\tools JLex.Main scanner.lex
del Yylex.java
move scanner.lex.java Yylex.java
java -classpath D:\engcon_work\tools\java_cup java_cup.Main parser.cup
javac -classpath ..\..;D:\engcon_work\tools\java_cup;D:\engcon_work\tools\ia_math\ia_math.jar parser.java sym.java Yylex.java
