edu.umd.cs.findbugs.ba.npe
Interface NullDerefAndRedundantComparisonCollector

All Known Implementing Classes:

FindNullDeref

public interface NullDerefAndRedundantComparisonCollector

Callback interface for collecting null pointer derefs and redundant null comparisons.

Author:

David Hovemeyer

See Also:

NullDerefAndRedundantComparisonFinder

Method Summary

void	foundNullDeref(Location location, ValueNumber valueNumber, IsNullValue refValue) Subclasses should override this method to capture locations where a null pointer is dereferenced.
void	foundRedundantNullCheck(Location location, RedundantBranch redundantBranch) Subclasses should override this method to capture locations where a redundant null comparision is performed.

Method Detail

foundNullDeref

void foundNullDeref(Location location,
                    ValueNumber valueNumber,
                    IsNullValue refValue)

Subclasses should override this method to capture locations where a null pointer is dereferenced.

Parameters:

location - the Location of the null dereference

valueNumber - the ValueNumber of the possibly-null value

refValue - the kind of possibly-null value dereferenced

foundRedundantNullCheck

void foundRedundantNullCheck(Location location,
                             RedundantBranch redundantBranch)

Subclasses should override this method to capture locations where a redundant null comparision is performed.

Parameters:

location - the Location of the redundant null check

redundantBranch - the RedundantBranch