public IEnumerable <StatementSyntax> GetYields(IEnumerable <ExpressionSyntax> yields, int numYields)
{
if (numYields == 0)
{
yield break;
}
if (numYields > BufferSize)
{
throw new NotImplementedException();
}
yield return(SF.IfStatement(SF.BinaryExpression(SyntaxKind.GreaterThanExpression, SF.IdentifierName(outputIndex), SH.Literal(BufferSize - numYields)),
SF.Block(
SF.ExpressionStatement(SF.IdentifierName(outputParameter).Dot("Write").Invoke(SF.IdentifierName(outputBuffer), SH.Literal(0), SF.IdentifierName(outputIndex))),
SH.Assignment(SF.IdentifierName(outputIndex), SH.Literal(0)))));
int index = 0;
foreach (var yieldSyntax in yields)
{
yield return(SH.Assignment(SF.ElementAccessExpression(SF.IdentifierName(outputBuffer), SF.BracketedArgumentList(SF.SingletonSeparatedList(SF.Argument(
SF.BinaryExpression(SyntaxKind.AddExpression, SF.IdentifierName(outputIndex), SH.Literal(index)))))),
yieldSyntax));
++index;
}
yield return(SH.Assignment(SF.IdentifierName(outputIndex), SH.Literal(numYields), SyntaxKind.AddAssignmentExpression));
}
public ExpressionSyntax GetInput()
{
return(SF.ElementAccessExpression(SF.IdentifierName(inputBuffer),
SF.BracketedArgumentList(SF.SingletonSeparatedList(SF.Argument(SF.IdentifierName(inputIndex))))));
}