void NestExpression(ExpressionType?parentType, Expression child, bool parensIfEqualRank = false)
{
int parentRank = parentType == null ? 0 : ExpressionPrecedence.Rank(parentType.Value);
bool needsParens = parentRank > 0 &&
(parensIfEqualRank ? parentRank - 1 : parentRank) < ExpressionPrecedence.Rank(child.NodeType);
if (needsParens)
{
sink(ExprTextPart.TextOnly("("), Depth);
}
RawChildDispatch(child);
if (needsParens)
{
sink(ExprTextPart.TextOnly(")"), Depth);
}
}
void Sink(string text, Expression value)
{
sink(ExprTextPart.TextAndExpr(text, value), Depth);
}
void Sink(string text)
{
sink(ExprTextPart.TextOnly(text), Depth);
}