public static void ArrayEnumeration(RewriteDesign design, TypeBridge itemType, ValueBridge count, ValueBridge collection, LocalVariable variable = null)
{
design.CurrentIterator.ForFrom = 0;
design.CurrentIterator.ForTo = count - 1;
design.CurrentIterator.ForIndexer = CreateGlobalVariable(design, Int);
if (design.CurrentIndexer == null)
{
design.CurrentIterator.Indexer = design.CurrentIterator.ForIndexer;
design.CurrentIterator.Indexer.IsGlobal = true;
}
if (variable == null)
{
design.LastValue = new TypedValueBridge(itemType, collection[design.CurrentIterator.ForIndexer]);
}
else
{
design.CurrentIterator.BodyAdd(variable.Assign(collection[design.CurrentIterator.ForIndexer]));
design.LastValue = new TypedValueBridge(itemType, variable);
}
design.ResultSize = count;
design.SourceSize = count;
design.SimpleEnumeration = true;
design.ListEnumeration = true;
}
private static void CalculateNullableAverage(RewriteDesign design, TypeBridge elementType, TypedValueBridge selectionValue, LocalVariable sumVariable)
{
var inlinedValue = selectionValue.Reusable(design);
design.ForAdd(If(inlinedValue.IsEqual(null), Continue()));
design.ForAdd(sumVariable.AddAssign(inlinedValue.Cast(elementType)));
design.Indexer = null;
if (design.Unchecked)
{
design.ResultAdd(sumVariable.Cast(design.ReturnType.Type) / design.Indexer);
}
else
{
design.ResultAdd(Return(SyntaxFactory.ConditionalExpression(design.Indexer.IsEqual(0),
Null, sumVariable.Cast(design.ReturnType.Type) / design.Indexer)));
}
}
public static LocalVariable CreateLocalVariable(RewriteDesign design, TypeBridge type)
{
var stringType = type.ToString();
var foundVariable = design.Variables.FirstOrDefault(x => stringType == x.Type.ToString() && !x.IsGlobal && !x.IsUsed);
if (foundVariable != null)
{
foundVariable.IsUsed = true;
return(foundVariable);
}
string variable = "v" + VariableIndex++ % Constants.VariablesPeek;
var created = new LocalVariable(variable, type);
design.Variables.Add(created);
design.InitialAdd(LocalVariableCreation(variable, type));
design.SimpleEnumeration = false;
return(created);
}
public static CastExpressionSyntax Cast(this ExpressionSyntax a, TypeBridge type) => CastExpression(type, a);
public static CastExpressionSyntax Cast(this int a, TypeBridge type) => Cast((ValueBridge)a, type);
public static ValueBridge Is(this TypedValueBridge a, TypeBridge type) => BinaryExpression(SyntaxKind.IsExpression, a, type);
public static LocalDeclarationStatementSyntax LocalVariableCreation(string name, TypeBridge type) => SyntaxFactory.LocalDeclarationStatement(VariableCreation(name, type));
