//Later fix!
//Should be possible to avoid all the else if statements.
public void addVariable(Variable newVar, ExpressionParser scopePareser, int lineNumber)
{
//First we check if the variable we are trying to add already exists, if it does we change the value of it.
//Otherwise create a new variable
int tempCont = containsVariable(newVar.name);
if (tempCont >= 0)
{
variableList [tempCont] = newVar;
if (newVar.variableType == VariableTypes.boolean)
{
changeExistingVariable(tempCont, newVar.getBool(), scopePareser);
}
else if (newVar.variableType == VariableTypes.number)
{
changeExistingVariable(tempCont, newVar.getNumber(), scopePareser);
}
else if (newVar.variableType == VariableTypes.textString)
{
changeExistingVariable(tempCont, newVar.getString(), scopePareser);
}
else if (newVar.variableType == VariableTypes.None)
{
changeExistingVariable(tempCont, newVar.getString(), scopePareser);
}
else
{
ErrorHandler.ErrorMessage.sendErrorMessage(lineNumber, ErrorType.System, SystemFailureErrorType.addOrChangeUnsupportedVariableType.ToString(), null);
}
}
else
{
if (newVar.variableType != VariableTypes.unknown && newVar.variableType != VariableTypes.unsigned)
{
variableList.Add(newVar);
if (newVar.variableType == VariableTypes.number)
{
scopePareser.AddConst(newVar.name, () => newVar.getNumber());
}
}
else
{
ErrorHandler.ErrorMessage.sendErrorMessage(lineNumber, ErrorType.System, SystemFailureErrorType.addOrChangeUnsupportedVariableType.ToString(), null);
}
}
}
private static Variable handeTextValue(Logic[] cloneLogicOrder, Variable returnVar, Variable afterEqualSign, string originalStringValue, int lineNumber)
{
if (cloneLogicOrder [1].word != "+")
{
ErrorHandler.ErrorMessage.sendErrorMessage(lineNumber, "När du använder extra operatorer på en text variabel med en annan text kan du endast använda \"+\"");
}
returnVar.setValue(originalStringValue + afterEqualSign.getString());
return(returnVar);
}
private static Logic insertTheValue(Variable returnVar)
{
Print.print("Var type: " + returnVar.variableType);
if (returnVar.variableType == VariableTypes.boolean)
{
return(new BooleanValue(returnVar.getBool()));
}
else if (returnVar.variableType == VariableTypes.number)
{
return(new NumberValue(returnVar.getNumber()));
}
else if (returnVar.variableType == VariableTypes.textString)
{
return(new TextValue(returnVar.getString()));
}
return(new Variable("Nill"));
}
public static bool parseAndCheckStatement(Logic[] logicOrder, int lineNumber, Scope currentScope)
{
Variable sum = SumParser.parseIntoSum(logicOrder, lineNumber, currentScope);
if (sum.variableType == VariableTypes.number)
{
if (sum.getNumber() == 0)
{
return(false);
}
else
{
return(true);
}
}
if (sum.variableType == VariableTypes.textString)
{
if (sum.getString() == "")
{
return(false);
}
else
{
return(true);
}
}
if (sum.variableType == VariableTypes.None)
{
return(false);
}
if (sum.variableType != VariableTypes.boolean)
{
ErrorMessage.sendErrorMessage(lineNumber, ErrorType.IfStatements, IfErrorType.expressionNotCorrectType.ToString(), null);
}
return(sum.getBool());
}
private static Variable handleNumberValue(Logic[] cloneLogicOrder, Variable returnVar, Variable afterEqualSign, string originalStringValue, int lineNumber)
{
if (cloneLogicOrder [1].word != "*")
{
ErrorHandler.ErrorMessage.sendErrorMessage(lineNumber, "När du använder extra operatorer på en text variabel med en siffra kan du endast använda \"*\"");
}
if (afterEqualSign.getNumber() % 1 != 0)
{
ErrorHandler.ErrorMessage.sendErrorMessage(lineNumber, "Du kan endast multiplicera strängar med heltal");
}
if (afterEqualSign.getNumber() <= 0)
{
return(returnVar);
}
for (int i = 0; i < afterEqualSign.getNumber(); i++)
{
returnVar.setValue(returnVar.getString() + originalStringValue);
}
return(returnVar);
}
public static bool makeComparison(Variable var1, Variable var2, ComparisonType theOperator, int lineNumber)
{
if (var1.variableType == VariableTypes.unknown || var1.variableType == VariableTypes.unsigned || var2.variableType == VariableTypes.unknown || var2.variableType == VariableTypes.unsigned)
{
ErrorHandler.ErrorMessage.sendErrorMessage(lineNumber, "En eller flera av operatorerna går inte att tyda");
}
if (var1.variableType != var2.variableType)
{
ErrorHandler.ErrorMessage.sendErrorMessage(lineNumber, "Kan inte utföra jämförelse mellan " + var1.variableType + " och " + var2.variableType);
}
if (theOperator == ComparisonType.equalsTo)
{
if (var1.variableType == VariableTypes.boolean)
{
if (var1.getBool() == var2.getBool())
{
return(true);
}
else
{
return(false);
}
}
if (var1.variableType == VariableTypes.number)
{
if (var1.getNumber() == var2.getNumber())
{
return(true);
}
else
{
return(false);
}
}
if (var1.variableType == VariableTypes.textString)
{
if (var1.getString() == var2.getString())
{
return(true);
}
else
{
return(false);
}
}
}
if (theOperator == ComparisonType.notEqualsTo)
{
if (var1.variableType == VariableTypes.boolean)
{
if (var1.getBool() != var2.getBool())
{
return(true);
}
else
{
return(false);
}
}
if (var1.variableType == VariableTypes.number)
{
if (var1.getNumber() != var2.getNumber())
{
return(true);
}
else
{
return(false);
}
}
if (var1.variableType == VariableTypes.textString)
{
if (var1.getString() != var2.getString())
{
return(true);
}
else
{
return(false);
}
}
}
if (theOperator == ComparisonType.greaterThenOrEqaulsTo && var1.variableType == VariableTypes.number)
{
if (var1.getNumber() >= var2.getNumber())
{
return(true);
}
else
{
return(false);
}
}
if (theOperator == ComparisonType.lessThenOrEqualsTo && var1.variableType == VariableTypes.number)
{
if (var1.getNumber() <= var2.getNumber())
{
return(true);
}
else
{
return(false);
}
}
if (theOperator == ComparisonType.lessThen && var1.variableType == VariableTypes.number)
{
if (var1.getNumber() < var2.getNumber())
{
return(true);
}
else
{
return(false);
}
}
if (theOperator == ComparisonType.greaterThen && var1.variableType == VariableTypes.number)
{
if (var1.getNumber() > var2.getNumber())
{
return(true);
}
else
{
return(false);
}
}
ErrorMessage.sendErrorMessage(lineNumber, ErrorType.System, SystemFailureErrorType.unknownLogic.ToString(), new string[] { "4" });
return(false);
}