public void SimpleExpression()
{
QueryExpression qe = ParseUtilCSharp.ParseExpression <QueryExpression>(
"from c in customers where c.City == \"London\" select c"
);
Assert.AreEqual("c", qe.FromClause.Identifier);
Assert.AreEqual("customers", ((IdentifierExpression)qe.FromClause.InExpression).Identifier);
Assert.AreEqual(1, qe.MiddleClauses.Count);
Assert.IsInstanceOfType(typeof(QueryExpressionWhereClause), qe.MiddleClauses[0]);
QueryExpressionWhereClause wc = (QueryExpressionWhereClause)qe.MiddleClauses[0];
Assert.IsInstanceOfType(typeof(BinaryOperatorExpression), wc.Condition);
Assert.IsInstanceOfType(typeof(QueryExpressionSelectClause), qe.SelectOrGroupClause);
}
public override object Visit (Mono.CSharp.Linq.Where w)
{
var result = new QueryExpressionWhereClause ();
var location = LocationsBag.GetLocations (w);
if (location != null)
result.AddChild (new CSharpTokenNode (Convert (location[0]), "where".Length), QueryExpressionWhereClause.Roles.Keyword);
result.AddChild ((INode)w.Expr.Accept (this), QueryExpressionWhereClause.Roles.Condition);
return result;
}
public object VisitQueryExpressionWhereClause(QueryExpressionWhereClause queryExpressionWhereClause, object data)
{
AddError(queryExpressionWhereClause, "QueryExpressionWhereClause is not supported.");
return(null);
}
void WhereQueryOperator(
#line 2158 "VBNET.ATG"
List<QueryExpressionClause> middleClauses) {
#line 2160 "VBNET.ATG"
QueryExpressionWhereClause whereClause = new QueryExpressionWhereClause();
whereClause.StartLocation = la.Location;
Expression operand = null;
Expect(215);
Expr(
#line 2164 "VBNET.ATG"
out operand);
#line 2166 "VBNET.ATG"
whereClause.Condition = operand;
whereClause.EndLocation = t.EndLocation;
middleClauses.Add(whereClause);
}
public virtual object VisitQueryExpressionWhereClause(QueryExpressionWhereClause queryExpressionWhereClause, object data)
{
throw new global::System.NotImplementedException("QueryExpressionWhereClause");
}
void QueryExpressionWhereClause(
#line 2468 "cs.ATG"
out QueryExpressionWhereClause wc) {
#line 2469 "cs.ATG"
Expression expr; wc = new QueryExpressionWhereClause(); wc.StartLocation = la.Location;
Expect(127);
Expr(
#line 2472 "cs.ATG"
out expr);
#line 2472 "cs.ATG"
wc.Condition = expr;
#line 2473 "cs.ATG"
wc.EndLocation = t.EndLocation;
}
public override object VisitQueryExpressionWhereClause(QueryExpressionWhereClause queryExpressionWhereClause, object data)
{
return(base.VisitQueryExpressionWhereClause(queryExpressionWhereClause, data));
}
public object VisitQueryExpressionWhereClause(QueryExpressionWhereClause queryExpressionWhereClause, object data)
{
throw new NotImplementedException();
}
public virtual object VisitQueryExpressionWhereClause(QueryExpressionWhereClause queryExpressionWhereClause, object data) {
Debug.Assert((queryExpressionWhereClause != null));
Debug.Assert((queryExpressionWhereClause.Condition != null));
return queryExpressionWhereClause.Condition.AcceptVisitor(this, data);
}
private bool IsMatch(QueryExpressionWhereClause left, QueryExpressionWhereClause right)
{
return(true);
}
public virtual object VisitQueryExpressionWhereClause(QueryExpressionWhereClause queryExpressionWhereClause, object data) {
throw new global::System.NotImplementedException("QueryExpressionWhereClause");
}
public virtual object VisitQueryExpressionWhereClause(QueryExpressionWhereClause queryExpressionWhereClause, object data) {
Debug.Assert((queryExpressionWhereClause != null));
Debug.Assert((queryExpressionWhereClause.Condition != null));
nodeStack.Push(queryExpressionWhereClause.Condition);
queryExpressionWhereClause.Condition.AcceptVisitor(this, data);
queryExpressionWhereClause.Condition = ((Expression)(nodeStack.Pop()));
return null;
}
public sealed override object VisitQueryExpressionWhereClause(QueryExpressionWhereClause queryExpressionWhereClause, object data) {
BeginVisit(queryExpressionWhereClause);
object result = TrackedVisitQueryExpressionWhereClause(queryExpressionWhereClause, data);
EndVisit(queryExpressionWhereClause);
return result;
}
public virtual object TrackedVisitQueryExpressionWhereClause(QueryExpressionWhereClause queryExpressionWhereClause, object data) {
return base.VisitQueryExpressionWhereClause(queryExpressionWhereClause, data);
}
