private List <String> PromoteIntegers(List <String> Operands)
{
if (!EXEExecutionGlobals.AllowPromotionOfIntegerToReal)
{
return(Operands);
}
bool ContainsReal = false;
bool ContainsInteger = false;
foreach (String Operand in Operands)
{
ContainsReal |= EXETypes.RealTypeName.Equals(EXETypes.DetermineVariableType("", Operand));
ContainsInteger |= EXETypes.IntegerTypeName.Equals(EXETypes.DetermineVariableType("", Operand));
if (ContainsReal && ContainsInteger)
{
break;
}
}
if (!ContainsReal || !ContainsInteger)
{
return(Operands);
}
return(Operands.Select(x => EXETypes.AdjustAssignedValue(EXETypes.RealTypeName, x)).ToList());
}
public override Boolean Execute(OALProgram OALProgram, EXEScope Scope)
{
//Console.WriteLine("Assignment is being executed");
Boolean Result = false;
String AssignedValue = this.AssignedExpression.Evaluate(Scope, OALProgram.ExecutionSpace);
if (AssignedValue == null)
{
return(Result);
}
// If we are assigning to a variable
if (this.AttributeName == null)
{
//Console.WriteLine("Assigning value: " + AssignedValue + " to variable " + this.VariableName);
EXEPrimitiveVariable Variable = Scope.FindPrimitiveVariableByName(this.VariableName);
// If the variable doesnt exist, we simply create it
if (Variable == null)
{
//Console.WriteLine("Creating new var " + this.VariableName);
Result = Scope.AddVariable(new EXEPrimitiveVariable(this.VariableName, AssignedValue));
}
//If variable exists and its type is UNDEFINED
else if (EXETypes.UnitializedName.Equals(Variable.Type))
{
//Console.WriteLine("Assigning to unitialized var" + this.VariableName);
Result = Variable.AssignValue(Variable.Name, AssignedValue);
}
// If the variable exists and is primitive
else if (!EXETypes.ReferenceTypeName.Equals(Variable.Type))
{
//Console.WriteLine("Assigning to initialized var" + this.VariableName);
// If the types don't match, this fails and returns false
AssignedValue = EXETypes.AdjustAssignedValue(Variable.Type, AssignedValue);
Result = Variable.AssignValue("", AssignedValue);
}
// Variable exists and is not primitive. What to do, what to do?
// We do nothing, we CANNOT ASSIGN TO HANDLES!!!
}
// We are assigning to an attribute of a variable
else
{
EXEReferenceEvaluator RefEvaluator = new EXEReferenceEvaluator();
Result = RefEvaluator.SetAttributeValue(this.VariableName, this.AttributeName, Scope, OALProgram.ExecutionSpace, AssignedValue);
//Console.WriteLine("Tried to assign " + AssignedValue + " to " + this.VariableName + "." + this.AttributeName);
}
//Console.WriteLine("Assignment Result: " + Result);
return(Result);
}
//SetUloh1
// Similar as task above, but this time we set the attribute value to "NewValue" parameter
// But it's not that easy, you need to check if attribute type and NewValue type are the same (e.g. both are integer)
// To do that, you need to find the referencing variable's class (via Scope) and then the attribute's type (vie ExecutionSpace)
// When you know the type of attribute, use EXETypes.IsValidValue to see if you can or cannot assign that value to that attribute
// You assign it in Scope
// Return if you could assign it or not
// EXETypes.determineVariableType()
public Boolean SetAttributeValue(String ReferencingVariableName, String AttributeName, EXEScope Scope, CDClassPool ExecutionSpace, String NewValue)
{
EXEReferencingVariable ReferencingVariable = Scope.FindReferencingVariableByName(ReferencingVariableName);
if (ReferencingVariable == null)
{
return(false);
}
CDClassInstance ClassInstance = ExecutionSpace.GetClassInstanceById(ReferencingVariable.ClassName, ReferencingVariable.ReferencedInstanceId);
if (ClassInstance == null)
{
return(false);
}
CDClass Class = ExecutionSpace.getClassByName(ReferencingVariable.ClassName);
if (Class == null)
{
return(false);
}
CDAttribute Attribute = Class.GetAttributeByName(AttributeName);
if (Attribute == null)
{
return(false);
}
String NewValueType = EXETypes.DetermineVariableType(null, NewValue);
if (!EXETypes.CanBeAssignedToAttribute(AttributeName, Attribute.Type, NewValueType))
{
return(false);
}
ClassInstance.SetAttribute(AttributeName, EXETypes.AdjustAssignedValue(Attribute.Type, NewValue));
return(true);
}
// SetUloh1
// Here you get operator and operands, and you need to return the result. Check the unit tests to see what this is about
public String Evaluate(String Operator, List <String> InOperands)
{
List <String> Operands = PromoteIntegers(InOperands);
if (!this.CanBeEvaluated(Operator, Operands))
{
return(null);
}
//Console.WriteLine("Can be evaluated");
//get variable type
String VariableType = EXETypes.DetermineVariableType(null, Operands[0]);
switch (Operator)
{
case "+": //int, real, string
//true if Operands are integers
if (String.Equals(EXETypes.IntegerTypeName, VariableType))
{
//convert to list of int
List <int> IntList = Operands.Select(int.Parse).ToList();
//add numbers in list and return result
return(IntList.Aggregate((a, x) => a + x).ToString());
}
//true if Operands are real numbers
if (String.Equals(EXETypes.RealTypeName, VariableType))
{
//convert to list of real numbers
// List<double> DoubleList = Operands.Select(double.Parse.).ToList();
List <decimal> DoubleList = new List <decimal>();
foreach (String Operand in Operands)
{
try
{
DoubleList.Add(decimal.Parse(Operand, CultureInfo.InvariantCulture));
}
catch (Exception e)
{
return(EXETypes.BooleanFalse);
}
}
//add numbers in list and return result
return(EXETypes.AdjustAssignedValue(EXETypes.RealTypeName, DoubleList.Aggregate((a, x) => a + x).ToString()));
}
if (String.Equals(EXETypes.StringTypeName, VariableType))
{
//add string in list and return result
//remove \" from Operands
List <String> StringList = Operands.Select(s => s.Replace("\"", "")).ToList();
//add strings in list and return result
return(CreateEXETypeString(StringList.Aggregate((a, x) => a + x).ToString()));
}
break;
case "-": //int, real
//true if Operands are integers
if (String.Equals(EXETypes.IntegerTypeName, VariableType))
{
//convert to list of int
List <int> IntList = Operands.Select(int.Parse).ToList();
//sub numbers in list and return result
return(IntList.Aggregate((a, x) => a - x).ToString());
}
//true if Operands are real numbers
if (String.Equals(EXETypes.RealTypeName, VariableType))
{
//convert to list of real numbers
// List<double> DoubleList = Operands.Select(double.Parse.).ToList();
List <decimal> DoubleList = new List <decimal>();
foreach (String Operand in Operands)
{
try
{
DoubleList.Add(decimal.Parse(Operand, CultureInfo.InvariantCulture));
}
catch (Exception e)
{
return(EXETypes.BooleanFalse);
}
}
//sub numbers in list and return result
return(EXETypes.AdjustAssignedValue(EXETypes.RealTypeName, DoubleList.Aggregate((a, x) => a - x).ToString()));
}
break;
case "*": //int, real
//true if Operands are integers
if (String.Equals(EXETypes.IntegerTypeName, VariableType))
{
//convert to list of int
List <int> IntList = Operands.Select(int.Parse).ToList();
//multiply numbers in list and return result
return(IntList.Aggregate((a, x) => a * x).ToString());
}
//true if Operands are real numbers
if (String.Equals(EXETypes.RealTypeName, VariableType))
{
//convert to list of real numbers
// List<double> DoubleList = Operands.Select(double.Parse.).ToList();
List <decimal> DoubleList = new List <decimal>();
foreach (String Operand in Operands)
{
try
{
DoubleList.Add(decimal.Parse(Operand, CultureInfo.InvariantCulture));
}
catch (Exception e)
{
return(EXETypes.BooleanFalse);
}
}
//multiply numbers in list and return result
return(EXETypes.AdjustAssignedValue(EXETypes.RealTypeName, DoubleList.Aggregate((a, x) => a * x).ToString()));
}
break;
case "/": //int, real
//true if Operands are integers
if (String.Equals(EXETypes.IntegerTypeName, VariableType))
{
//convert to list of int
List <int> IntList = Operands.Select(int.Parse).ToList();
for (int i = 1; i < IntList.Count; i++)
{
if (IntList[i] == 0)
{
return(null);
}
}
//divide numbers in list and return result
return(IntList.Aggregate((a, x) => a / x).ToString());
}
//true if Operands are real numbers
if (String.Equals(EXETypes.RealTypeName, VariableType))
{
//convert to list of real numbers
// List<double> DoubleList = Operands.Select(double.Parse.).ToList();
List <decimal> DoubleList = new List <decimal>();
foreach (String Operand in Operands)
{
try
{
DoubleList.Add(decimal.Parse(Operand, CultureInfo.InvariantCulture));
for (int i = 1; i < DoubleList.Count; i++)
{
if (DoubleList[i] == 0)
{
return(EXETypes.BooleanFalse);
}
}
}
catch (Exception e)
{
return(EXETypes.BooleanFalse);
}
}
//divide numbers in list and return result
return(EXETypes.AdjustAssignedValue(EXETypes.RealTypeName, DoubleList.Aggregate((a, x) => a / x).ToString()));
}
break;
case "%": //int, real
//true if Operands are integers
if (String.Equals(EXETypes.IntegerTypeName, VariableType))
{
//convert to list of int
List <int> IntList = Operands.Select(int.Parse).ToList();
for (int i = 1; i < IntList.Count; i++)
{
if (IntList[i] == 0)
{
return(null);
}
}
//divide numbers in list and return result
return(IntList.Aggregate((a, x) => a % x).ToString());
}
//true if Operands are real numbers
if (String.Equals(EXETypes.RealTypeName, VariableType))
{
//convert to list of real numbers
// List<double> DoubleList = Operands.Select(double.Parse.).ToList();
List <decimal> DoubleList = new List <decimal>();
foreach (String Operand in Operands)
{
try
{
DoubleList.Add(decimal.Parse(Operand, CultureInfo.InvariantCulture));
for (int i = 1; i < DoubleList.Count; i++)
{
if (DoubleList[i] == 0)
{
return(EXETypes.BooleanFalse);
}
}
}
catch (Exception e)
{
return(EXETypes.BooleanFalse);
}
}
//divide numbers in list and return result
return(EXETypes.AdjustAssignedValue(EXETypes.RealTypeName, DoubleList.Aggregate((a, x) => a % x).ToString()));
}
break;
case "==": //int, real, string, booelan, unique ID
//return bool
//true if Operands are integers
if (String.Equals(EXETypes.IntegerTypeName, VariableType))
{
//convert to list of int
List <int> IntList = Operands.Select(int.Parse).ToList();
//compare 2 numbers in list (equals) and return result
return(int.Equals(IntList[0], IntList[1]) ? EXETypes.BooleanTrue : EXETypes.BooleanFalse);
}
//true if Operands are real numbers
if (String.Equals(EXETypes.RealTypeName, VariableType))
{
//convert to list of real numbers
// List<double> DoubleList = Operands.Select(double.Parse.).ToList();
List <decimal> DoubleList = new List <decimal>();
foreach (String Operand in Operands)
{
try
{
DoubleList.Add(decimal.Parse(Operand, CultureInfo.InvariantCulture));
}
catch (Exception e)
{
return(EXETypes.BooleanFalse);
}
}
//compare 2 numbers in list (equals) and return result
return(Double.Equals(DoubleList[0], DoubleList[1]) ? EXETypes.BooleanTrue : EXETypes.BooleanFalse);
}
if (String.Equals(EXETypes.StringTypeName, VariableType))
{
//compare 2 string in list (equals) and return result
return(String.Equals(Operands[0], Operands[1]) ? EXETypes.BooleanTrue : EXETypes.BooleanFalse);
}
//only 2 operands
if (String.Equals(EXETypes.BooleanTypeName, VariableType))
{
//convert to list of int
List <bool> BooleanList = Operands.Select(bool.Parse).ToList();
//compare 2 boolean in list (equals) and return result
return(Boolean.Equals(BooleanList[0], BooleanList[1]) ? EXETypes.BooleanTrue : EXETypes.BooleanFalse);
}
break;
case "!=": //int, real, string, booelan, unique ID
//true if Operands are integers
if (String.Equals(EXETypes.IntegerTypeName, VariableType))
{
//convert to list of int
List <int> IntList = Operands.Select(int.Parse).ToList();
//compare 2 numbers in list (equals) and return result
return(!int.Equals(IntList[0], IntList[1]) ? EXETypes.BooleanTrue : EXETypes.BooleanFalse);
}
//true if Operands are real numbers
if (String.Equals(EXETypes.RealTypeName, VariableType))
{
//convert to list of real numbers
// List<double> DoubleList = Operands.Select(double.Parse.).ToList();
List <decimal> DoubleList = new List <decimal>();
foreach (String Operand in Operands)
{
try
{
DoubleList.Add(decimal.Parse(Operand, CultureInfo.InvariantCulture));
}
catch (Exception e)
{
return(EXETypes.BooleanFalse);
}
}
//compare 2 numbers in list (equals) and return result
return(!Double.Equals(DoubleList[0], DoubleList[1]) ? EXETypes.BooleanTrue : EXETypes.BooleanFalse);
}
if (String.Equals(EXETypes.StringTypeName, VariableType))
{
//compare 2 string in list (equals) and return result
return(!String.Equals(Operands[0], Operands[1]) ? EXETypes.BooleanTrue : EXETypes.BooleanFalse);
}
//true if Operands are boolean
if (String.Equals(EXETypes.BooleanTypeName, VariableType))
{
//convert to list of boolean
List <bool> BooleanList = Operands.Select(bool.Parse).ToList();
//compare 2 boolean in list (not equals) and return result
return(!Boolean.Equals(BooleanList[0], BooleanList[1]) ? EXETypes.BooleanTrue : EXETypes.BooleanFalse);
}
break;
//only 2 operands
case "<": //int, real, string
//true if Operands are integers
if (String.Equals(EXETypes.IntegerTypeName, VariableType))
{
//convert to list of int
List <int> IntList = Operands.Select(int.Parse).ToList();
//compare numbers in list (less then) and return result
return(IntList[0] < IntList[1] ? EXETypes.BooleanTrue : EXETypes.BooleanFalse);
}
//true if Operands are real numbers
if (String.Equals(EXETypes.RealTypeName, VariableType))
{
//convert to list of real numbers
// List<double> DoubleList = Operands.Select(double.Parse.).ToList();
List <decimal> DoubleList = new List <decimal>();
foreach (String Operand in Operands)
{
try
{
DoubleList.Add(decimal.Parse(Operand, CultureInfo.InvariantCulture));
}
catch (Exception e)
{
return(EXETypes.BooleanFalse);
}
}
//compare numbers in list (less then) and return result
return(DoubleList[0] < DoubleList[1] ? EXETypes.BooleanTrue : EXETypes.BooleanFalse);
}
if (String.Equals(EXETypes.StringTypeName, VariableType))
{
//compare 2 strings in list (less then) and return result
return(String.Compare(Operands[0], Operands[1]) < 0 ? EXETypes.BooleanTrue : EXETypes.BooleanFalse);
}
break;
case ">": //int, real, string
//true if Operands are integers
if (String.Equals(EXETypes.IntegerTypeName, VariableType))
{
//convert to list of int
List <int> IntList = Operands.Select(int.Parse).ToList();
//compare numbers in list (greater then) and return result
return(IntList[0] > IntList[1] ? EXETypes.BooleanTrue : EXETypes.BooleanFalse);
}
//true if Operands are real numbers
if (String.Equals(EXETypes.RealTypeName, VariableType))
{
//convert to list of real numbers
// List<double> DoubleList = Operands.Select(double.Parse.).ToList();
List <decimal> DoubleList = new List <decimal>();
foreach (String Operand in Operands)
{
try
{
DoubleList.Add(decimal.Parse(Operand, CultureInfo.InvariantCulture));
}
catch (Exception e)
{
return(EXETypes.BooleanFalse);
}
}
//compare numbers in list (greater then) and return result
return(DoubleList[0] > DoubleList[1] ? EXETypes.BooleanTrue : EXETypes.BooleanFalse);
}
if (String.Equals(EXETypes.StringTypeName, VariableType))
{
//add string in list and return result
return(String.Compare(Operands[0], Operands[1]) > 0 ? EXETypes.BooleanTrue : EXETypes.BooleanFalse);
}
break;
case "<=": //int, real, string
//true if Operands are integers
if (String.Equals(EXETypes.IntegerTypeName, VariableType))
{
//convert to list of int
List <int> IntList = Operands.Select(int.Parse).ToList();
//compare numbers in list (less then or equals to) and return result
return(IntList[0] <= IntList[1] ? EXETypes.BooleanTrue : EXETypes.BooleanFalse);
}
//true if Operands are real numbers
if (String.Equals(EXETypes.RealTypeName, VariableType))
{
//convert to list of real numbers
// List<double> DoubleList = Operands.Select(double.Parse.).ToList();
List <decimal> DoubleList = new List <decimal>();
foreach (String Operand in Operands)
{
try
{
DoubleList.Add(decimal.Parse(Operand, CultureInfo.InvariantCulture));
}
catch (Exception e)
{
return(EXETypes.BooleanFalse);
}
}
//compare numbers in list (less then or equals to) and return result
return(DoubleList[0] <= DoubleList[1] ? EXETypes.BooleanTrue : EXETypes.BooleanFalse);
}
if (String.Equals(EXETypes.StringTypeName, VariableType))
{
//compare strings in list (less then or equals to) and return result
return(String.Compare(Operands[0], Operands[1]) <= 0 ? EXETypes.BooleanTrue : EXETypes.BooleanFalse);
}
break;
case ">=": //int, real, string
//true if Operands are integers
if (String.Equals(EXETypes.IntegerTypeName, VariableType))
{
//convert to list of int
List <int> IntList = Operands.Select(int.Parse).ToList();
//compare numbers in list (greater then or equals to) and return result
return(IntList[0] >= IntList[1] ? EXETypes.BooleanTrue : EXETypes.BooleanFalse);
}
//true if Operands are real numbers
if (String.Equals(EXETypes.RealTypeName, VariableType))
{
//convert to list of real numbers
// List<double> DoubleList = Operands.Select(double.Parse.).ToList();
List <decimal> DoubleList = new List <decimal>();
foreach (String Operand in Operands)
{
try
{
DoubleList.Add(decimal.Parse(Operand, CultureInfo.InvariantCulture));
}
catch (Exception e)
{
return(EXETypes.BooleanFalse);
}
}
//compare numbers in list (greater then or equals to) and return result
return(DoubleList[0] >= DoubleList[1] ? EXETypes.BooleanTrue : EXETypes.BooleanFalse);
}
if (String.Equals(EXETypes.StringTypeName, VariableType))
{
//compare numbers in list (greater then or equals to) and return result
return(String.Compare(Operands[0], Operands[1]) >= 0 ? EXETypes.BooleanTrue : EXETypes.BooleanFalse);
}
break;
case "and": //only boolean
//true if Operands are boolean
if (String.Equals(EXETypes.BooleanTypeName, VariableType))
{
//convert to list of int
List <bool> BooleanList = Operands.Select(bool.Parse).ToList();
foreach (bool bool_var in BooleanList)
{
if (!bool_var)
{
return(EXETypes.BooleanFalse);
}
}
return(EXETypes.BooleanTrue);
}
break;
case "or": //only boolean
//true if Operands are boolean
if (String.Equals(EXETypes.BooleanTypeName, VariableType))
{
//convert to list of int
List <bool> BooleanList = Operands.Select(bool.Parse).ToList();
foreach (bool bool_var in BooleanList)
{
if (bool_var)
{
return(EXETypes.BooleanTrue);
}
}
return(EXETypes.BooleanFalse);
}
break;
//only 1 operand
case "not": //only boolean
//true if Operands are boolean
if (String.Equals(EXETypes.BooleanTypeName, VariableType))
{
//return TRUE or FALSE
return(String.Equals(Operands[0], EXETypes.BooleanTrue) ? EXETypes.BooleanFalse : EXETypes.BooleanTrue);
}
break;
}
return(null);
}