Method sync_from_previous

src/feedback/observer.rs:229–241

(deopt: &mut Deopt)

    }

    pub fn sync_from_previous(deopt: &mut Deopt) -> Result<Self> {
        let mut observer = Observer::new(deopt);
        deopt.load_programs_from_seeds()?;
        for program in deopt.seed_queue.iter() {
            let coverage = deopt.get_seed_coverage(program.id)?;
            let new_branches = observer.has_new_branch(&coverage);
            if !new_branches.is_empty() {
                observer.merge_new_branch(&new_branches);
            }
        }
        log::info!("{}", observer.dump_global_states());
        Ok(observer)
    }

    // Recompute the global branch coverage according current seed programs.
    // typicall called after Fuzzer::Executor::recheck_seeds();