// SetUloh1 - this method is done. Do the same with two similar methods below it
public EXEPrimitiveVariable FindPrimitiveVariableByName(String Name)
{
EXEPrimitiveVariable Result = null;
EXEScope CurrentScope = this;
while (CurrentScope != null)
{
foreach (EXEPrimitiveVariable CurrentVariable in CurrentScope.PrimitiveVariables)
{
if (CurrentVariable.Name == Name)
{
Result = CurrentVariable;
break;
}
}
if (Result != null)
{
break;
}
CurrentScope = CurrentScope.SuperScope;
}
return(Result);
}
public String Evaluate(EXEScope Scope, CDClassPool ExecutionSpace)
{
String Result = null;
String ValueType = EXETypes.DetermineVariableType("", this.Value);
if (ValueType == null)
{
return(Result);
}
// If we have simple value, e.g. 5, 3.14, "hi Madelyn", we are good
if (!EXETypes.ReferenceTypeName.Equals(ValueType))
{
Result = this.Value;
}
// We got here because we have a variable name, the variable is of primitive value
else if (EXETypes.ReferenceTypeName.Equals(ValueType))
{
EXEPrimitiveVariable ThisVariable = Scope.FindPrimitiveVariableByName(this.Value);
if (ThisVariable != null)
{
Result = ThisVariable.Value;
}
}
/*Console.WriteLine("Operand: " + this.Value);
* Console.WriteLine("Result: " + Result);*/
return(Result);
}
public bool AddVariable(EXEPrimitiveVariable Variable)
{
bool Result = false;
if (!VariableNameExists(Variable.Name))
{
this.PrimitiveVariables.Add(Variable);
Result = true;
}
return(Result);
}
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);
}