/// <summary>
/// Executes the NEW command.
/// </summary>
public void Execute()
{
_variableRepository.Clear();
_runEnvironment.Clear();
_dataStatementReader.RestoreToLineNumber(null);
_programRepository.Clear();
}
/// <summary>
/// Executes the RUN command.
/// </summary>
/// <param name="tokeniser">Tokeniser used by the load command.</param>
public void Execute(ITokeniser tokeniser)
{
var nextToken = _runEnvironment.CurrentLine.NextToken();
if (nextToken.TokenClass == TokenClass.String)
{
// Since we have a tokeniser, we can just fake being the executor/interpreter
// and create our own LOAD command and call it.
var oldLine = _runEnvironment.CurrentLine;
_runEnvironment.CurrentLine = tokeniser.Tokenise($"LOAD {nextToken}");
var loadToken = _runEnvironment.CurrentLine.NextToken() as ITokeniserCommand;
loadToken.Execute(tokeniser);
_runEnvironment.CurrentLine = oldLine;
}
else
{
_runEnvironment.CurrentLine.PushToken(nextToken);
}
_variableRepository.Clear();
_runEnvironment.Clear();
_dataStatementReader.RestoreToLineNumber(null);
int?startingLineNumber = _runEnvironment.CurrentLine.GetLineNumber();
_runEnvironment.CurrentLine = startingLineNumber.HasValue ?
_programRepository.GetLine(startingLineNumber.Value) :
_programRepository.GetFirstLine();
}
public void SetupSut()
{
_variableRepository.Clear();
_expressionEvaluator = new ExpressionEvaluator(_variableRepository, _runEnvironment);
}