private IOperationCollection pushLoop(Scope scope)
{
if (_iterator.Is(TokenType.Name))
{
switch (_iterator.GetValue <string>())
{
case "if": return(pushSingleInstruction_if(scope));
case "for": return(pushSingleInstruction_for(scope));
case "while": return(pushSingleInstruction_while(scope));
case "do": return(pushSingleInstruction_do_repeat(scope, true));
case "repeat": return(pushSingleInstruction_do_repeat(scope, false));
}
}
return(pushTerminatedInstruction(scope));
}
/// <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);
}