Automated Predicate Swiching Implementation

[medosonson]

Dear All

I am student @ faculty of computer scince & informatics
cs department
my gradution project is using java vm (jpda layer) java platform debugger architecture

and i want to implement the predicate switching algo. that need to run the debuggee code each time i change the predicate value(true>>false or false>>true) and reexecute the code to know if this predicate(branch)
is critical and unexpected value disappear by switching its value

plz if any one can help me how to implement this algo. (reexecute with switching values of thr branches ??

Thanks in advance