public MutableSymbol AddChild(MutableSymbol child)
{
if (_database == null) throw new InvalidOperationException("Can't add a child of a MutableSymbol if the parent hasn't been added to a database yet.");
// Add the name
int nameIdentifier = _database.StringStore.FindOrAddString(child.Name);
// Build the details
SymbolDetails newDetails = new SymbolDetails();
newDetails.Type = child.Type;
newDetails.Modifiers = child.Modifiers;
newDetails.ParametersIdentifier = _database.StringStore.FindOrAddString(child.Parameters);
// If the parent has exactly the same item already, just return that one
for (int i = _database.DeclaredMembers.GetFirstChild(_index); i > 0; i = _database.DeclaredMembers.GetNextSibling(i))
{
if (nameIdentifier == _database.DeclaredMembers.GetNameIdentifier(i))
{
SymbolDetails iDetails = _database.DeclaredMemberDetails[i];
if (newDetails.Equals(iDetails))
{
child._database = _database;
child._index = i;
return child;
}
}
}
// Add the symbol itself to the DefinedSymbolTree
int newSymbolIndex = _database.DeclaredMembers.Add(_index, nameIdentifier);
// Index this name with this ID
_database.Index.AddItem(nameIdentifier, newSymbolIndex);
// Add parallel SymbolDetails
if (_database.DeclaredMemberDetails.Count != newSymbolIndex) throw new InvalidOperationException(String.Format(Resources.DatabaseArraysOutOfSync, "DeclaredMemberDetails"));
_database.DeclaredMemberDetails.Add(newDetails);
// Add parallel location details
if (String.Equals(this.FilePath, child.FilePath))
{
_database.DeclaredMemberLocations.Add(new SymbolLocation(_database.DeclaredMemberLocations[_index].FileIndex, child.Line, child.CharInLine));
}
else
{
((IMemberDatabase)_database).SetLocation(newSymbolIndex, child.FilePath, child.Line, child.CharInLine);
}
// Bind the child to the database
child._database = _database;
child._index = newSymbolIndex;
return child;
}
public void AddTree(Symbol root)
{
MutableSymbol newRoot = AddChild(new MutableSymbol(root));
Symbol child = root.FirstChild();
while (child.IsValid)
{
newRoot.AddTree(child);
child = child.NextSibling();
}
}