public virtual Differences VisitAddressDereference(AddressDereference/*!*/ addr1, AddressDereference addr2) {
Differences differences = new Differences(addr1, addr2);
if (addr1 == null || addr2 == null){
if (addr1 != addr2) differences.NumberOfDifferences++; else differences.NumberOfSimilarities++;
return differences;
}
AddressDereference changes = (AddressDereference)addr2.Clone();
AddressDereference deletions = (AddressDereference)addr2.Clone();
AddressDereference insertions = (AddressDereference)addr2.Clone();
Differences diff = this.VisitExpression(addr1.Address, addr2.Address);
if (diff == null){Debug.Assert(false); return differences;}
changes.Address = diff.Changes as Expression;
deletions.Address = diff.Deletions as Expression;
insertions.Address = diff.Insertions as Expression;
Debug.Assert(diff.Changes == changes.Address && diff.Deletions == deletions.Address && diff.Insertions == insertions.Address);
differences.NumberOfDifferences += diff.NumberOfDifferences;
differences.NumberOfSimilarities += diff.NumberOfSimilarities;
if (addr1.Alignment == addr2.Alignment) differences.NumberOfSimilarities++; else differences.NumberOfDifferences++;
if (addr1.Volatile == addr2.Volatile) differences.NumberOfSimilarities++; else differences.NumberOfDifferences++;
if (differences.NumberOfDifferences == 0){
differences.Changes = null;
differences.Deletions = null;
differences.Insertions = null;
}else{
differences.Changes = changes;
differences.Deletions = deletions;
differences.Insertions = insertions;
}
return differences;
}
public override Expression VisitAddressDereference(AddressDereference addr)
{
if (addr == null) return null;
return base.VisitAddressDereference((AddressDereference)addr.Clone());
}