GlobalVariableState.cs

public class GlobalVariablesState : ParserState
{
    private bool _readyForVariableDeclarations;

    public GlobalVariablesState(Parser parser)
        : base(parser)
    {
    }

    public override void ReadLine(string line)
    {
        if (line.StartsWith("procedure ", StringComparison.OrdinalIgnoreCase))
        {
            Parser.SetState(Parser.ProceduresState);
        }
        else if (line.IndexOf("=var", StringComparison.OrdinalIgnoreCase) > 0)
        {
            _readyForVariableDeclarations = true;
        }
        else if (_readyForVariableDeclarations)
        {
            // Uses ParseVariables from ParserState base class ParseVariable(line);
        }
    }

    public override void Reset()
    {
        _readyForVariableDeclarations = false;
    }
}