public StateStorage SaveCurrentState()
{
StateStorage currentState = new StateStorage();
// Store source
currentState.SourceCode = this.SourceCode;
// Store general state
currentState.Ended = this.Ended;
currentState.DontExectuteIF = this.DontExectuteIF;
currentState.ProgramPosition = this.CodeParser.ProgramPosition;
// Store variables
currentState.NumericVariables = (System.Collections.ArrayList)this.NumericVariables.Clone();
currentState.StringVariables = (System.Collections.ArrayList)this.StringVariables.Clone();
// Store WHILE-WEND state
currentState.WHILEStack = (int[]) this.WHILEStack.Clone();
currentState.WHILEStackPosition = this.WHILEStackPosition;
// Store GOSUB-RETURN state
currentState.GOSUBStack = (int[])this.GOSUBStack.Clone();
currentState.GOSUBStackPosition = this.GOSUBStackPosition;
// Store FOR-NEXT state
currentState.FORStack = (ForToken.ForStackItem[]) this.FORStack.Clone();
currentState.FORStackPosition = this.FORStackPosition;
return currentState;
}