public override Expression VisitRelationalExpression(IRelationalExpression relationalExpressionParam, IMetadataResolver context)
{
Expression left = relationalExpressionParam.LeftOperand.Accept(this, context);
Expression right = relationalExpressionParam.RightOperand.Accept(this, context);
return(new BinaryExpressionBuilder(relationalExpressionParam, left, right).Build());
}
public override void VisitRelationalExpression(IRelationalExpression expr, IList <IStatement> context)
{
foreach (var csExpr in expr.OperatorOperands)
{
csExpr.Accept(this, context);
}
}
public override IAssignableExpression VisitRelationalExpression(IRelationalExpression expr,
IList <IStatement> context)
{
BinaryOperator op = BinaryOperator.Unknown;
if (expr.OperatorSign.NodeType == CSharpTokenType.GT)
{
op = BinaryOperator.GreaterThan;
}
else if (expr.OperatorSign.NodeType == CSharpTokenType.GE)
{
op = BinaryOperator.GreaterThanOrEqual;
}
else if (expr.OperatorSign.NodeType == CSharpTokenType.LE)
{
op = BinaryOperator.LessThanOrEqual;
}
else if (expr.OperatorSign.NodeType == CSharpTokenType.LT)
{
op = BinaryOperator.LessThan;
}
return(new BinaryExpression
{
LeftOperand = ToSimpleExpression(expr.LeftOperand, context),
Operator = op,
RightOperand = ToSimpleExpression(expr.RightOperand, context)
});
}
/// <summary>
/// Negates the relational expression.
/// </summary>
/// <param name="factory">
/// The factory.
/// </param>
/// <param name="relationalExpression">
/// The relational expression.
/// </param>
private static void NegateRelationalExpression(CSharpElementFactory factory, IRelationalExpression relationalExpression)
{
var operatorSign = relationalExpression.OperatorSign.GetText();
switch (operatorSign)
{
case "<":
operatorSign = ">=";
break;
case ">":
operatorSign = "<=";
break;
case "<=":
operatorSign = ">";
break;
case ">=":
operatorSign = "<";
break;
}
var expression = factory.CreateExpression(string.Format("{0} {1} {2}", relationalExpression.LeftOperand.GetText(), operatorSign, relationalExpression.RightOperand.GetText()));
relationalExpression.ReplaceBy(expression);
}
