public virtual Differences VisitAliasDefinition(AliasDefinition/*!*/ aliasDefinition1, AliasDefinition aliasDefinition2) {
Differences differences = new Differences(aliasDefinition1, aliasDefinition2);
if (aliasDefinition1 == null || aliasDefinition2 == null){
if (aliasDefinition1 != aliasDefinition2) differences.NumberOfDifferences++; else differences.NumberOfSimilarities++;
return differences;
}
AliasDefinition changes = (AliasDefinition)aliasDefinition2.Clone();
AliasDefinition deletions = (AliasDefinition)aliasDefinition2.Clone();
AliasDefinition insertions = (AliasDefinition)aliasDefinition2.Clone();
Differences diff = this.VisitIdentifier(aliasDefinition1.Alias, aliasDefinition2.Alias);
if (diff == null){Debug.Assert(false); return differences;}
changes.Alias = diff.Changes as Identifier;
deletions.Alias = diff.Deletions as Identifier;
insertions.Alias = diff.Insertions as Identifier;
Debug.Assert(diff.Changes == changes.Alias && diff.Deletions == deletions.Alias && diff.Insertions == insertions.Alias);
differences.NumberOfDifferences += diff.NumberOfDifferences;
differences.NumberOfSimilarities += diff.NumberOfSimilarities;
diff = this.VisitExpression(aliasDefinition1.AliasedExpression, aliasDefinition2.AliasedExpression);
if (diff == null){Debug.Assert(false); return differences;}
changes.AliasedExpression = diff.Changes as Expression;
deletions.AliasedExpression = diff.Deletions as Expression;
insertions.AliasedExpression = diff.Insertions as Expression;
Debug.Assert(diff.Changes == changes.AliasedExpression && diff.Deletions == deletions.AliasedExpression && diff.Insertions == insertions.AliasedExpression);
differences.NumberOfDifferences += diff.NumberOfDifferences;
differences.NumberOfSimilarities += diff.NumberOfSimilarities;
diff = this.VisitIdentifier(aliasDefinition1.AliasedUri, aliasDefinition2.AliasedUri);
if (diff == null){Debug.Assert(false); return differences;}
changes.AliasedUri = diff.Changes as Identifier;
deletions.AliasedUri = diff.Deletions as Identifier;
insertions.AliasedUri = diff.Insertions as Identifier;
Debug.Assert(diff.Changes == changes.AliasedUri && diff.Deletions == deletions.AliasedUri && diff.Insertions == insertions.AliasedUri);
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 AliasDefinition VisitAliasDefinition(AliasDefinition aliasDefinition)
{
if (aliasDefinition == null) return null;
return base.VisitAliasDefinition((AliasDefinition)aliasDefinition.Clone());
}
