private BoundExpression BindBetweenExpression(BetweenExpressionSyntax node)
{
// left BETWEEN lowerBound AND upperBound
//
// ===>
//
// left >= lowerBound AND left <= upperBound
var left = BindExpression(node.Left);
var lowerBound = BindExpression(node.LowerBound);
var upperBound = BindExpression(node.UpperBound);
var lowerCheck = BindBinaryExpression(node.Span, BinaryOperatorKind.GreaterOrEqual, left, lowerBound);
var upperCheck = BindBinaryExpression(node.Span, BinaryOperatorKind.LessOrEqual, left, upperBound);
var boundsCheck = BindBinaryExpression(node.Span, BinaryOperatorKind.LogicalAnd, lowerCheck, upperCheck);
return(BindOptionalNegation(node.Span, node.NotKeyword, boundsCheck));
}
public virtual void VisitBetweenExpression(BetweenExpressionSyntax node)
{
DefaultVisit(node);
}
public virtual TResult VisitBetweenExpression(BetweenExpressionSyntax node)
{
return(DefaultVisit(node));
}
