public virtual Differences VisitLocalDeclaration(LocalDeclaration localDeclaration1, LocalDeclaration localDeclaration2){
Differences differences = new Differences(localDeclaration1, localDeclaration2);
if (localDeclaration1 == null || localDeclaration2 == null){
if (localDeclaration1 != localDeclaration2) differences.NumberOfDifferences++; else differences.NumberOfSimilarities++;
return differences;
}
LocalDeclaration changes = (LocalDeclaration)localDeclaration2.Clone();
LocalDeclaration deletions = (LocalDeclaration)localDeclaration2.Clone();
LocalDeclaration insertions = (LocalDeclaration)localDeclaration2.Clone();
Differences diff = this.VisitExpression(localDeclaration1.InitialValue, localDeclaration2.InitialValue);
if (diff == null){Debug.Assert(false); return differences;}
changes.InitialValue = diff.Changes as Expression;
deletions.InitialValue = diff.Deletions as Expression;
insertions.InitialValue = diff.Insertions as Expression;
Debug.Assert(diff.Changes == changes.InitialValue && diff.Deletions == deletions.InitialValue && diff.Insertions == insertions.InitialValue);
differences.NumberOfDifferences += diff.NumberOfDifferences;
differences.NumberOfSimilarities += diff.NumberOfSimilarities;
diff = this.VisitIdentifier(localDeclaration1.Name, localDeclaration2.Name);
if (diff == null){Debug.Assert(false); return differences;}
changes.Name = diff.Changes as Identifier;
deletions.Name = diff.Deletions as Identifier;
insertions.Name = diff.Insertions as Identifier;
Debug.Assert(diff.Changes == changes.Name && diff.Deletions == deletions.Name && diff.Insertions == insertions.Name);
differences.NumberOfDifferences += diff.NumberOfDifferences;
differences.NumberOfSimilarities += diff.NumberOfSimilarities;
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 LocalDeclaration VisitLocalDeclaration(LocalDeclaration localDeclaration)
{
if (localDeclaration == null) return null;
return base.VisitLocalDeclaration((LocalDeclaration)localDeclaration.Clone());
}