//
// BUGBUG: temporary workaround for CCI bug
//
public override TypeAlias VisitTypeAlias(TypeAlias tAlias)
{
if (tAlias == null) return null;
TypeAlias dup = (TypeAlias)this.DuplicateFor[tAlias.UniqueKey];
if (dup != null) return dup;
this.DuplicateFor[tAlias.UniqueKey] = dup = (TypeAlias)tAlias.Clone();
dup.Name = tAlias.Name;
if (tAlias.AliasedType is ConstrainedType)
//The type alias defines the constrained type, rather than just referencing it
dup.AliasedType = this.VisitConstrainedType((ConstrainedType)tAlias.AliasedType);
else
dup.AliasedType = this.VisitTypeReference(tAlias.AliasedType);
dup.DeclaringType = this.TargetType;
dup.DeclaringModule = this.TargetModule;
dup.ProvideMembers();
return dup;
}
public virtual Differences VisitTypeAlias(TypeAlias tAlias1, TypeAlias tAlias2){
Differences differences = this.GetMemberDifferences(tAlias1, tAlias2);
if (differences == null){Debug.Assert(false); differences = new Differences(tAlias1, tAlias2);}
if (differences.NumberOfDifferences > 0 || differences.NumberOfSimilarities > 0) return differences;
if (tAlias1 == null || tAlias2 == null){
if (tAlias1 != tAlias2) differences.NumberOfDifferences++; else differences.NumberOfSimilarities++;
return differences;
}
TypeAlias changes = (TypeAlias)tAlias2.Clone();
TypeAlias deletions = (TypeAlias)tAlias2.Clone();
TypeAlias insertions = (TypeAlias)tAlias2.Clone();
Differences diff = this.VisitTypeNode(tAlias1.AliasedType, tAlias2.AliasedType);
if (diff == null){Debug.Assert(false); return differences;}
changes.AliasedType = diff.Changes as TypeNode;
deletions.AliasedType = diff.Deletions as TypeNode;
insertions.AliasedType = diff.Insertions as TypeNode;
//Debug.Assert(diff.Changes == changes.AliasedType && diff.Deletions == deletions.AliasedType && diff.Insertions == insertions.AliasedType);
differences.NumberOfDifferences += diff.NumberOfDifferences;
differences.NumberOfSimilarities += diff.NumberOfSimilarities;
AttributeList attrChanges, attrDeletions, attrInsertions;
diff = this.VisitAttributeList(tAlias1.Attributes, tAlias2.Attributes, out attrChanges, out attrDeletions, out attrInsertions);
if (diff == null){Debug.Assert(false); return differences;}
changes.Attributes = attrChanges;
deletions.Attributes = attrDeletions;
insertions.Attributes = attrInsertions;
differences.NumberOfDifferences += diff.NumberOfDifferences;
differences.NumberOfSimilarities += diff.NumberOfSimilarities;
if (tAlias1.Flags == tAlias2.Flags) differences.NumberOfSimilarities++; else differences.NumberOfDifferences++;
diff = this.VisitIdentifier(tAlias1.Name, tAlias2.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;
TypeNodeList typeChanges, typeDeletions, typeInsertions;
diff = this.VisitTypeNodeList(tAlias1.TemplateParameters, tAlias2.TemplateParameters, out typeChanges, out typeDeletions, out typeInsertions);
if (diff == null){Debug.Assert(false); return differences;}
changes.TemplateParameters = typeChanges;
deletions.TemplateParameters = typeDeletions;
insertions.TemplateParameters = typeInsertions;
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;
}