private IOperationCollection pushGenericBinaryLeftToRightOperation(Scope scope, Func <Scope, IOperationCollection> nextLevel, Dictionary <TokenType, Func <long, IOperationCollection> > operationConverters)
{
// left-to-right
IOperationCollection operations = new OperationCollection();
// Get allowed operations
TokenType[] allOperationTokens = operationConverters.Keys.ToArray();
// Push first value
operations.Append(nextLevel(scope));
while (_iterator.Is(allOperationTokens))
{
var operation = _iterator.Current.Type;
var position = _iterator.Position;
_iterator.Next();
// Push next value ...
operations.Append(nextLevel(scope));
// ... and the operation
operations.Append(operationConverters[operation](position));
}
return(operations);
}
/// <summary>
/// Reads a namespace path (tokens separated by '::') from the tokenizer.
/// </summary>
/// <returns>a list containing the several parts of the path.</returns>
private List <string> ReadNamespacePath()
{
List <string> ns = new List <string>();
// Read namespace name
if (!_iterator.Is(TokenType.Name))
{
throw new SyntaxException(_iterator.Position, "Expected namespace name");
}
ns.Add(_iterator.GetValue <string>());
_iterator.Next();
// And potential parent namespaces
while (_iterator.Is(TokenType.DoubleColon))
{
_iterator.Next();
if (!_iterator.Is(TokenType.Name))
{
throw new SyntaxException(_iterator.Position, "Expected namespace name");
}
ns.Add(_iterator.GetValue <string>());
_iterator.Next();
}
return(ns);
}
