/// <summary>
/// Write up the code for the any or the all
/// </summary>
/// <param name="resultOperator"></param>
/// <param name="queryModel"></param>
/// <param name="gc"></param>
/// <param name="cc"></param>
/// <param name="container"></param>
/// <returns></returns>
public Expression ProcessResultOperator(ResultOperatorBase resultOperator, QueryModel queryModel, IGeneratedQueryCode gc, ICodeContext cc, CompositionContainer container)
{
if (cc == null)
{
throw new ArgumentNullException("cc");
}
if (gc == null)
{
throw new ArgumentNullException("gc");
}
var all = resultOperator as AllResultOperator;
var any = resultOperator as AnyResultOperator;
///
/// Next, change the predicate into something that can be tested (as an if statement)
/// For All:
/// initial: aresult = true;
/// if (aresult && !pred) { aresult = false; }
/// For Any:
/// initial: aresult = false;
/// if (!aresult && pred) { aresult = true; }
///
var aresult = DeclarableParameter.CreateDeclarableParameterExpression(typeof(bool));
IValue predicate = null;
IValue predicateFastTest = null;
string initialValue = "";
string markedValue = "";
if (all != null)
{
predicateFastTest = ExpressionToCPP.GetExpression(aresult, gc, cc, container);
var notPredicate = Expression.Not(all.Predicate);
predicate = ExpressionToCPP.GetExpression(notPredicate, gc, cc, container);
initialValue = "true";
markedValue = "false";
}
else
{
predicate = null;
predicateFastTest = ExpressionToCPP.GetExpression(Expression.Not(aresult), gc, cc, container);
initialValue = "false";
markedValue = "true";
}
///
/// The result is a simple bool. This is what we will be handing back.
///
aresult.SetInitialValue(initialValue);
///
/// And the statements now. Instead of building up the code, we instead do a "global" statement.
/// This makes it easier to re-combine later when we collapse queires.
///
var ifstatement = new Statements.StatementAnyAllDetector(predicate, aresult, predicateFastTest, markedValue);
gc.Add(ifstatement);
///
/// Done!
///
return(aresult);
}
/// <summary>
/// Write up the code for the any or the all
/// </summary>
/// <param name="resultOperator"></param>
/// <param name="queryModel"></param>
/// <param name="gc"></param>
/// <param name="cc"></param>
/// <param name="container"></param>
/// <returns></returns>
public Expression ProcessResultOperator(ResultOperatorBase resultOperator, QueryModel queryModel, IGeneratedQueryCode gc, ICodeContext cc, CompositionContainer container)
{
if (cc == null)
throw new ArgumentNullException("cc");
if (gc == null)
throw new ArgumentNullException("gc");
var all = resultOperator as AllResultOperator;
var any = resultOperator as AnyResultOperator;
///
/// Next, change the predicate into something that can be tested (as an if statement)
/// For All:
/// initial: aresult = true;
/// if (aresult && !pred) { aresult = false; }
/// For Any:
/// initial: aresult = false;
/// if (!aresult && pred) { aresult = true; }
///
var aresult = DeclarableParameter.CreateDeclarableParameterExpression(typeof(bool));
IValue predicate = null;
IValue predicateFastTest = null;
string initialValue = "";
string markedValue = "";
if (all != null)
{
predicateFastTest = ExpressionToCPP.GetExpression(aresult, gc, cc, container);
var notPredicate = Expression.Not(all.Predicate);
predicate = ExpressionToCPP.GetExpression(notPredicate, gc, cc, container);
initialValue = "true";
markedValue = "false";
}
else
{
predicate = null;
predicateFastTest = ExpressionToCPP.GetExpression(Expression.Not(aresult), gc, cc, container);
initialValue = "false";
markedValue = "true";
}
///
/// The result is a simple bool. This is what we will be handing back.
///
aresult.SetInitialValue(initialValue);
///
/// And the statements now. Instead of building up the code, we instead do a "global" statement.
/// This makes it easier to re-combine later when we collapse queires.
///
var ifstatement = new Statements.StatementAnyAllDetector(predicate, aresult, predicateFastTest, markedValue);
gc.Add(ifstatement);
///
/// Done!
///
return aresult;
}
