private static Boolean?CheckIfFinishedOrEmptyLine(
DynContext DynLanContext,
DynLanState currentState)
{
if (currentState == null || DynLanContext.IsFinished)
{
DynLanContext.IsFinished = true;
return(true);
}
if (DynLanContext.ExceptionToThrow != null)
{
Exception ex = DynLanContext.ExceptionToThrow;
DynLanContext.ExceptionToThrow = null;
throw ex;
}
DynLanCodeLines lines = currentState.GetCurrentLines();
DynLanCodeLine currentLine = currentState.GetCurrentLine();
if (currentLine == null)
{
return(ExitCurrentContext(
DynLanContext,
null));
}
// jeśli linia jest pusta to przechodzimy do nastepnej
if (currentLine.IsLineEmpty)
{
DynLanCodeLine nextLine = DynLanCodeLinesExtender.NextLine(lines, currentLine);
if (nextLine == null)
{
return(ExitCurrentContext(
DynLanContext,
null));
}
else
{
currentState.CurrentLineID = nextLine.ID;
}
return(true);
}
return(null);
}
private static Boolean?ExecuteCalculations(
DynContext DynLanContext,
DynLanState currentState,
out Object Result)
{
Result = null;
DynLanCodeLines lines = currentState.GetCurrentLines();
DynLanCodeLine currentLine = currentState.GetCurrentLine();
// wykonanie kalkulacji
if (currentLine.ContainsAnyExpressions() &&
currentLine.OperatorType != EOperatorType.ELSE &&
currentLine.OperatorType != EOperatorType.PASS &&
currentLine.OperatorType != EOperatorType.CATCH)
{
if (DynLanContext.CurrentState.ExpressionContext == null)
{
DynLanContext.CurrentState.ExpressionContext = new ExpressionContext(currentLine.ExpressionGroup);
}
if (DynLanContext.CurrentState.ExpressionContext != null &&
DynLanContext.CurrentState.ExpressionContext.IsFinished)
{
Result = DynLanContext.CurrentState.ExpressionContext.Result;
DynLanContext.CurrentState.ExpressionContext = null;
}
else
{
try
{
Boolean result = ExpressionEvaluator.NextStep(
DynLanContext);
return(result);
}
catch
{
throw;
}
}
}
return(null);
}
private static Boolean GotoCatch(
DynContext DynLanContext,
Exception exception)
{
while (true)
{
DynLanState currentState = DynLanContext.
CurrentState;
// reset dla kontekstu obliczeń, ponieważ przechodzimy do catch'a
currentState.ExpressionContext = null;
DynLanCodeLines lines = currentState.GetCurrentLines();
DynLanCodeLine currentLine = currentState.GetCurrentLine();
// poszukanie poprzedniego catch'a
DynLanCodeLine prevCatch = DynLanCodeLinesExtender.
PrevLineWithLessDepth(lines, currentLine, l => l.OperatorType == EOperatorType.CATCH);
// poszukanie poprzedniego try'a
DynLanCodeLine prevTry = DynLanCodeLinesExtender.
PrevLineWithLessDepth(lines, currentLine, l => l.OperatorType == EOperatorType.TRY);
if (exception is DynLanAbortException)
{
ExitCurrentContext(
DynLanContext,
exception);
if (DynLanContext.IsFinished)
{
break;
}
}
else if (prevTry == null)
{
ExitCurrentContext(
DynLanContext,
exception);
if (DynLanContext.IsFinished)
{
break;
}
}
// jeśli znalazł try'a i nie jesteśmy w catch'u
else if (prevTry.Depth < currentLine.Depth &&
(prevCatch == null || lines.IndexOf(prevCatch) < lines.IndexOf(prevTry)))
{
DynLanCodeLine nextCatch = DynLanCodeLinesExtender.NextOnSameOrLower(
lines,
prevTry,
i => i.OperatorType == EOperatorType.CATCH);
if (nextCatch != null)
{
ExpressionToken variableForException = null;
if (nextCatch.ExpressionGroup != null &&
nextCatch.ExpressionGroup.MainExpression != null &&
nextCatch.ExpressionGroup.MainExpression.Tokens != null &&
nextCatch.ExpressionGroup.MainExpression.Tokens.Count > 0)
{
#if !NET20
variableForException = nextCatch.
ExpressionGroup.MainExpression.Tokens.
FirstOrDefault(i => i.TokenType != TokenType.BRACKET_BEGIN);
#else
variableForException = Linq2.FirstOrDefault(nextCatch.
ExpressionGroup.MainExpression.Tokens,
i => i.TokenType != TokenType.BRACKET_BEGIN);
#endif
}
currentState.CurrentLineID = nextCatch.ID;
if (variableForException != null && !String.IsNullOrEmpty(variableForException.TokenName))
{
currentState.Object[variableForException.TokenName] = exception;
}
break;
}
else
{
ExitCurrentContext(
DynLanContext,
exception);
if (DynLanContext.IsFinished)
{
break;
}
}
}
else
{
ExitCurrentContext(
DynLanContext,
exception);
if (DynLanContext.IsFinished)
{
break;
}
}
}
return(false);
}
//////////////////////////////////////////////
private static Boolean GotoNextLine(
DynContext DynLanContext,
DynLanState currentState,
Object currentValue)
{
try
{
DynLanCodeLines lines = currentState.GetCurrentLines();
DynLanCodeLine currentLine = currentState.GetCurrentLine();
// jesli return to konczymy
if (currentLine.OperatorType == EOperatorType.RETURN)
{
return(ExitCurrentContext(
DynLanContext,
currentValue,
null));
}
// throw błędu
else if (currentLine.OperatorType == EOperatorType.THROW)
{
if (currentValue is Exception)
{
throw (Exception)currentValue;
}
else
{
String message = UniConvert.ToString(currentValue ?? "");
throw String.IsNullOrEmpty(message) ? new Exception() : new Exception(message);
}
/*return ExitCurrentContext(
* DynLanContext,
* new Exception(message));*/
}
// jesli return to konczymy
else if (currentLine.OperatorType == EOperatorType.BREAK)
{
return(ExitCurrentLoop(
DynLanContext,
currentValue,
null));
}
if (currentLine.OperatorType == EOperatorType.WHILE ||
currentLine.OperatorType == EOperatorType.IF ||
currentLine.OperatorType == EOperatorType.ELIF)
{
Boolean conditionResult = BooleanHelper.IfTrue(currentValue);
if (conditionResult)
{
DynLanCodeLine nextLine = DynLanCodeLinesExtender.
NextOnSameOrHigher(lines, currentLine);
if (nextLine != null)
{
currentState.CurrentLineID = nextLine.ID;
}
else
{
throw new NotImplementedException();
}
}
else
{
DynLanCodeLine nextLine = DynLanCodeLinesExtender.
NextOnSameOrLower(lines, currentLine);
if (nextLine == null)
{
return(ExitCurrentContext(
DynLanContext,
null));
}
else
{
if (nextLine.Depth < currentLine.Depth)
{
while (
nextLine != null &
(nextLine.OperatorType == EOperatorType.ELSE ||
nextLine.OperatorType == EOperatorType.ELIF /*||
* nextLine.OperatorType == EOperatorType.FINALLY*/))
{
nextLine = DynLanCodeLinesExtender.ExitParentIf(lines, nextLine);
if (nextLine == null)
{
break;
}
}
if (nextLine == null)
{
return(ExitCurrentContext(
DynLanContext,
null));
}
if (nextLine.Depth < currentLine.Depth)
{
//DynLanCodeLine prevIf = lines.
// PrevLineWithLessDepth(currentLine, l => l.OperatorType == EOperatorType.IF || l.OperatorType == EOperatorType.ELIF);
while (true)
{
DynLanCodeLine prevConditionLine = DynLanCodeLinesExtender.PrevLineWithLessDepth(
lines,
currentLine,
l => l.OperatorType == EOperatorType.IF || l.OperatorType == EOperatorType.ELIF || l.OperatorType == EOperatorType.ELSE || l.OperatorType == EOperatorType.WHILE);
if (prevConditionLine != null &&
prevConditionLine.Depth >= nextLine.Depth &&
prevConditionLine.OperatorType == EOperatorType.WHILE)
{
currentState.CurrentLineID = prevConditionLine.ID;
break;
}
else if (prevConditionLine != null)
{
currentLine = prevConditionLine;
}
else
{
currentState.CurrentLineID = nextLine.ID;
break;
}
}
}
else
{
currentState.CurrentLineID = nextLine.ID;
}
}
else
{
currentState.CurrentLineID = nextLine.ID;
}
}
}
}
else if (
currentLine.OperatorType == EOperatorType.TRY ||
currentLine.OperatorType == EOperatorType.ELSE)
{
DynLanCodeLine nextLine = DynLanCodeLinesExtender.
NextOnSameOrHigher(lines, currentLine);
if (nextLine != null)
{
currentState.CurrentLineID = nextLine.ID;
}
else
{
throw new NotImplementedException();
}
}
else if (
(currentLine.OperatorType == EOperatorType.FINALLY))
{
throw new NotImplementedException("FINALLY");
}
else if (
(currentLine.OperatorType == EOperatorType.CATCH))
{
if (DynLanContext.Error != null)
{
DynLanContext.Error = null;
DynLanCodeLine nextLine = DynLanCodeLinesExtender.
NextOnSameOrHigher(lines, currentLine);
if (nextLine != null)
{
currentState.CurrentLineID = nextLine.ID;
}
else
{
throw new NotImplementedException();
}
}
else
{
DynLanCodeLine nextLine = DynLanCodeLinesExtender.NextOnSameOrLower(
lines, currentLine);
if (nextLine != null)
{
currentState.CurrentLineID = nextLine.ID;
}
else
{
return(ExitCurrentContext(
DynLanContext,
null));
}
}
}
else if (currentLine.OperatorType == EOperatorType.NONE || currentLine.OperatorType == EOperatorType.PASS)
{
DynLanCodeLine nextLine = DynLanCodeLinesExtender.NextLine(lines, currentLine);
if (nextLine != null)
{
while (
nextLine != null &
(nextLine.OperatorType == EOperatorType.ELSE ||
nextLine.OperatorType == EOperatorType.ELIF /*||
* nextLine.OperatorType == EOperatorType.FINALLY*/))
{
nextLine = DynLanCodeLinesExtender.ExitParentIf(lines, nextLine);
if (nextLine == null)
{
return(ExitCurrentContext(
DynLanContext,
null));
}
}
if (nextLine == null)
{
return(ExitCurrentContext(
DynLanContext,
null));
}
if (nextLine.Depth < currentLine.Depth)
{
//DynLanCodeLine prevIf = lines.
// PrevLineWithLessDepth(currentLine, l => l.OperatorType == EOperatorType.IF || l.OperatorType == EOperatorType.ELIF);
while (true)
{
DynLanCodeLine prevConditionLine = DynLanCodeLinesExtender.
PrevLineWithLessDepth(
lines,
currentLine,
l => l.OperatorType == EOperatorType.IF || l.OperatorType == EOperatorType.ELIF || l.OperatorType == EOperatorType.ELSE || l.OperatorType == EOperatorType.WHILE);
if (prevConditionLine != null &&
prevConditionLine.Depth >= nextLine.Depth &&
prevConditionLine.OperatorType == EOperatorType.WHILE)
{
currentState.CurrentLineID = prevConditionLine.ID;
break;
}
else if (prevConditionLine != null)
{
currentLine = prevConditionLine;
}
else
{
currentState.CurrentLineID = nextLine.ID;
break;
}
}
}
else
{
currentState.CurrentLineID = nextLine.ID;
}
}
// jeśli ostatnia linia i jesteśmy w while'u
else
{
//DynLanCodeLine prevIf = lines.
// PrevLineWithLessDepth(currentLine, l => l.OperatorType == EOperatorType.IF || l.OperatorType == EOperatorType.ELIF);
while (true)
{
DynLanCodeLine prevConditionLine = DynLanCodeLinesExtender.
PrevLineWithLessDepth(
lines,
currentLine,
l => l.OperatorType == EOperatorType.IF || l.OperatorType == EOperatorType.ELIF || l.OperatorType == EOperatorType.ELSE || l.OperatorType == EOperatorType.WHILE);
if (prevConditionLine != null &&
prevConditionLine.OperatorType == EOperatorType.WHILE)
{
currentState.CurrentLineID = prevConditionLine.ID;
break;
}
else if (prevConditionLine != null)
{
currentLine = prevConditionLine;
}
else
{
return(ExitCurrentContext(
DynLanContext,
null));
}
}
}
}
return(false);
}
catch (Exception ex)
{
throw;
}
}