public override Object PerformOperation(Executer exec, Operator op, Object otherTerm)
{
if (op == null)
{
return(this);
}
if (op.InternalTokens == ".")
{
object oUnboxed = null;
oUnboxed = this.Evaluate(exec).GetUnboxed(exec);
if (otherTerm.GetType() == typeof(Method))
{
Method func = (Method)otherTerm;
func.BelongsToObject = oUnboxed;
return(func.Evaluate(exec));
}
if (otherTerm.GetType() == typeof(Variable))
{
Variable var = (Variable)otherTerm;
var.BelongsToObject = oUnboxed;
var.EvaluateToWrapper(exec);
return(var);
}
return(null);
}
if (op.IsSettingOperator)
{
this.EvaluateToWrapper(exec);
if (!op.IsBinary)
{
//TODO: ++ and -- operators
return(this);
}
Object oNewVal = otherTerm.Evaluate(exec);
if (op.InternalTokens != "=")
{
//for other than "=", we need to know the current value
string sSubOp = op.InternalTokens.Substring(0, 1);
Operator subOp = Parser.GetOperator(sSubOp);
this.PerformOperation(exec, op, oNewVal);
oNewVal = this;
}
this.ValueWrapper.Value = oNewVal.GetUnboxed(exec);
return(oNewVal);
}
Object oEvaluated = this.Evaluate(exec);
return(oEvaluated.PerformOperation(exec, op, otherTerm));
}
public override Object PerformOperation(Executer exec, Operator op, Object otherTerm)
{
if (op == null)
return this;
if (op.InternalTokens == ".")
{
object oUnboxed = null;
oUnboxed = this.Evaluate(exec).GetUnboxed(exec);
if (otherTerm.GetType() == typeof(Method))
{
Method func = (Method)otherTerm;
func.BelongsToObject = oUnboxed;
return func.Evaluate(exec);
}
if (otherTerm.GetType() == typeof(Variable))
{
Variable var = (Variable)otherTerm;
var.BelongsToObject = oUnboxed;
var.EvaluateToWrapper(exec);
return var;
}
return null;
}
if (op.IsSettingOperator)
{
this.EvaluateToWrapper(exec);
if (!op.IsBinary)
{
//TODO: ++ and -- operators
return this;
}
Object oNewVal = otherTerm.Evaluate(exec);
if (op.InternalTokens!="=")
{
//for other than "=", we need to know the current value
string sSubOp = op.InternalTokens.Substring(0,1);
Operator subOp = Parser.GetOperator(sSubOp);
this.PerformOperation(exec, op, oNewVal);
oNewVal = this;
}
this.ValueWrapper.Value = oNewVal.GetUnboxed(exec);
return oNewVal;
}
Object oEvaluated = this.Evaluate(exec);
return oEvaluated.PerformOperation(exec, op, otherTerm);
}
