public virtual Differences VisitFunctionDeclaration(FunctionDeclaration functionDeclaration1, FunctionDeclaration functionDeclaration2){
Differences differences = new Differences(functionDeclaration1, functionDeclaration2);
if (functionDeclaration1 == null || functionDeclaration2 == null){
if (functionDeclaration1 != functionDeclaration2) differences.NumberOfDifferences++; else differences.NumberOfSimilarities++;
return differences;
}
FunctionDeclaration changes = (FunctionDeclaration)functionDeclaration2.Clone();
FunctionDeclaration deletions = (FunctionDeclaration)functionDeclaration2.Clone();
FunctionDeclaration insertions = (FunctionDeclaration)functionDeclaration2.Clone();
Differences diff = this.VisitBlock(functionDeclaration1.Body, functionDeclaration2.Body);
if (diff == null){Debug.Assert(false); return differences;}
changes.Body = diff.Changes as Block;
deletions.Body = diff.Deletions as Block;
insertions.Body = diff.Insertions as Block;
Debug.Assert(diff.Changes == changes.Body && diff.Deletions == deletions.Body && diff.Insertions == insertions.Body);
differences.NumberOfDifferences += diff.NumberOfDifferences;
differences.NumberOfSimilarities += diff.NumberOfSimilarities;
diff = this.VisitIdentifier(functionDeclaration1.Name, functionDeclaration2.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;
ParameterList parChanges, parDeletions, parInsertions;
diff = this.VisitParameterList(functionDeclaration1.Parameters, functionDeclaration2.Parameters, out parChanges, out parDeletions, out parInsertions);
if (diff == null){Debug.Assert(false); return differences;}
changes.Parameters = parChanges;
deletions.Parameters = parDeletions;
insertions.Parameters = parInsertions;
differences.NumberOfDifferences += diff.NumberOfDifferences;
differences.NumberOfSimilarities += diff.NumberOfSimilarities;
diff = this.VisitTypeNode(functionDeclaration1.ReturnType, functionDeclaration2.ReturnType);
if (diff == null){Debug.Assert(false); return differences;}
changes.ReturnType = diff.Changes as TypeNode;
deletions.ReturnType = diff.Deletions as TypeNode;
insertions.ReturnType = diff.Insertions as TypeNode;
//Debug.Assert(diff.Changes == changes.ReturnType && diff.Deletions == deletions.ReturnType && diff.Insertions == insertions.ReturnType);
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 Statement VisitFunctionDeclaration(FunctionDeclaration functionDeclaration)
{
if (functionDeclaration == null) return null;
return base.VisitFunctionDeclaration((FunctionDeclaration)functionDeclaration.Clone());
}