private static void CalculateSimpleAverage(RewriteDesign design, TypedValueBridge selectionValue, LocalVariable sumVariable)
{
if (!AssertResultSizeGreaterEqual(design, 1))
{
return;
}
design.ForAdd(sumVariable.AddAssign(selectionValue));
design.ResultAdd(Return(sumVariable / design.GetResultSize()));
}
public static LocalVariable TryGetVariable(RewriteDesign design, TypedValueBridge value)
{
if (value?.Value?.Value == null)
{
return(null);
}
var expression = value.Expression;
while (expression is ParenthesizedExpressionSyntax parenthesizedExpressionSyntax)
{
expression = parenthesizedExpressionSyntax.Expression;
}
return(design.Variables.FirstOrDefault(x => x.Name == expression.ToString()));
}
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 ValueBridge Is(this TypedValueBridge a, TypeBridge type) => BinaryExpression(SyntaxKind.IsExpression, a, type);
public static LocalVariable CreateLocalVariable(RewriteDesign design, TypedValueBridge value) => CreateLocalVariable(design, value.Type, value);