public IEnumerable <StatementSyntax> GetFinalization()
{
yield return(SF.IfStatement(SF.BinaryExpression(SyntaxKind.GreaterThanExpression, SF.IdentifierName(outputIndex), SH.Literal(0)),
SF.ExpressionStatement(SF.IdentifierName(outputParameter).Dot("Write").Invoke(SF.IdentifierName(outputBuffer), SH.Literal(0), SF.IdentifierName(outputIndex)))));
yield return(SF.ReturnStatement());
}
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 IEnumerable <StatementSyntax> GetMoveNext(StatementSyntax finalizer)
{
yield return(SF.IfStatement(SF.BinaryExpression(SyntaxKind.GreaterThanOrEqualExpression,
SF.PrefixUnaryExpression(SyntaxKind.PreIncrementExpression, SF.IdentifierName(inputIndex)), SF.IdentifierName(read)), SF.Block(
SH.Assignment(SF.IdentifierName(read), SF.IdentifierName(inputParameter).Dot("Read").Invoke(SF.IdentifierName(inputBuffer), SH.Literal(0), SF.IdentifierName(inputBuffer).Dot("Length"))),
SF.IfStatement(SF.BinaryExpression(SyntaxKind.EqualsExpression, SF.IdentifierName(read), SH.Literal(0)), finalizer),
SH.Assignment(SF.IdentifierName(inputIndex), SH.Literal(0))
)));
}
public IEnumerable <StatementSyntax> GetMoveNext(StatementSyntax finalizer)
{
yield return(SF.IfStatement(SF.BinaryExpression(SyntaxKind.GreaterThanExpression,
SF.PrefixUnaryExpression(SyntaxKind.PreIncrementExpression, SF.IdentifierName(bitIndex)), SH.Literal(7)),
SF.Block(_wrapped.GetMoveNext(finalizer).Concat(new StatementSyntax[] {
SH.Assignment(SF.IdentifierName(cachedInput), _wrapped.GetInput()),
SH.Assignment(SF.IdentifierName(bitIndex), SH.Literal(0))
})),
SF.ElseClause(SH.Assignment(SF.IdentifierName(cachedInput), SH.Literal(1), SyntaxKind.RightShiftAssignmentExpression))));
}
public IEnumerable <StatementSyntax> GetMoveNext(StatementSyntax finalizer)
{
yield return(SF.IfStatement(SF.BinaryExpression(SyntaxKind.GreaterThanOrEqualExpression,
SF.PrefixUnaryExpression(SyntaxKind.PreIncrementExpression, SF.IdentifierName(inputIndex)), SF.IdentifierName(inputParameter).Dot("Length")),
finalizer));
}
public IEnumerable <StatementSyntax> GetMoveNext(StatementSyntax finalizer)
{
yield return(SF.IfStatement(SF.PrefixUnaryExpression(SyntaxKind.LogicalNotExpression, SF.IdentifierName(enumerator).Dot("MoveNext").Invoke()), finalizer));
}