public UnifiedElement VisitQuerySelectClause(
QuerySelectClause select, object data)
{
var expr = select.Expression.TryAcceptForExpression(this);
return(UnifiedSelectQuery.Create(expr));
}
public virtual void VisitQuerySelectClause(QuerySelectClause querySelectClause)
{
if (this.ThrowException)
{
throw (System.Exception) this.CreateException(querySelectClause);
}
}
public virtual void VisitQuerySelectClause(QuerySelectClause querySelectClause)
{
if (ThrowException)
{
throw (Exception)CreateException(querySelectClause);
}
}
public override void VisitQuerySelectClause(QuerySelectClause querySelectClause)
{
var visitor = new CaptureSelectNewFieldNamesVisitor();
querySelectClause.AcceptVisitor(visitor, null);
indexData.SelectExpressions = visitor.SelectExpressions;
indexData.NumberOfSelectClauses++;
}
public override void VisitQuerySelectClause(QuerySelectClause querySelectClause)
{
var selectExpressions = new Dictionary<string, Expression>();
var visitor = new CaptureSelectNewFieldNamesVisitor(false, new HashSet<string>(), selectExpressions);
querySelectClause.AcceptVisitor(visitor, null);
indexData.SelectExpressions = selectExpressions;
indexData.NumberOfSelectClauses++;
}
public override object VisitQuerySelectClause(QuerySelectClause querySelectClause, object data)
{
ProcessQuery(querySelectClause.Expression);
if (_outerMostRequired)
{
return(base.VisitQuerySelectClause(querySelectClause, data));
}
return(null);
}
public override void VisitQuerySelectClause(QuerySelectClause querySelectClause)
{
var visitor = new CaptureSelectNewFieldNamesVisitor();
querySelectClause.AcceptVisitor(visitor, null);
indexData.SelectExpressions = visitor.SelectExpressions;
indexData.NumberOfSelectClauses++;
}
public override void VisitQuerySelectClause(QuerySelectClause querySelectClause)
{
var selectExpressions = new Dictionary <string, Expression>();
var visitor = new CaptureSelectNewFieldNamesVisitor(false, new HashSet <string>(), selectExpressions);
querySelectClause.AcceptVisitor(visitor, null);
indexData.SelectExpressions = selectExpressions;
indexData.NumberOfSelectClauses++;
}
bool TryRemoveTransparentIdentifier(QueryExpression query, QueryFromClause fromClause, QueryExpression innerQuery)
{
if (!IsTransparentIdentifier(fromClause.Identifier))
{
return(false);
}
Match match = selectTransparentIdentifierPattern.Match(innerQuery.Clauses.Last());
if (!match.Success)
{
return(false);
}
QuerySelectClause selectClause = (QuerySelectClause)innerQuery.Clauses.Last();
NamedArgumentExpression nae1 = match.Get <NamedArgumentExpression>("nae1").Single();
NamedArgumentExpression nae2 = match.Get <NamedArgumentExpression>("nae2").Single();
if (nae1.Identifier != ((IdentifierExpression)nae1.Expression).Identifier)
{
return(false);
}
IdentifierExpression nae2IdentExpr = nae2.Expression as IdentifierExpression;
if (nae2IdentExpr != null && nae2.Identifier == nae2IdentExpr.Identifier)
{
// from * in (from x in ... select new { x = x, y = y }) ...
// =>
// from x in ... ...
fromClause.Remove();
selectClause.Remove();
// Move clauses from innerQuery to query
QueryClause insertionPos = null;
foreach (var clause in innerQuery.Clauses)
{
query.Clauses.InsertAfter(insertionPos, insertionPos = clause.Detach());
}
}
else
{
// from * in (from x in ... select new { x = x, y = expr }) ...
// =>
// from x in ... let y = expr ...
fromClause.Remove();
selectClause.Remove();
// Move clauses from innerQuery to query
QueryClause insertionPos = null;
foreach (var clause in innerQuery.Clauses)
{
query.Clauses.InsertAfter(insertionPos, insertionPos = clause.Detach());
}
query.Clauses.InsertAfter(insertionPos, new QueryLetClause {
Identifier = nae2.Identifier, Expression = nae2.Expression.Detach()
});
}
return(true);
}
bool TryRemoveTransparentIdentifier(QueryExpression query, QueryFromClause fromClause, QueryExpression innerQuery, Dictionary <string, object> letClauses)
{
if (!IsTransparentIdentifier(fromClause.Identifier))
{
return(false);
}
QuerySelectClause selectClause = innerQuery.Clauses.Last() as QuerySelectClause;
Match match = selectTransparentIdentifierPattern.Match(selectClause);
if (!match.Success)
{
return(false);
}
// from * in (from x in ... select new { members of anonymous type }) ...
// =>
// from x in ... { let x = ... } ...
fromClause.Remove();
selectClause.Remove();
// Move clauses from innerQuery to query
QueryClause insertionPos = null;
foreach (var clause in innerQuery.Clauses)
{
query.Clauses.InsertAfter(insertionPos, insertionPos = clause.Detach());
}
foreach (var expr in match.Get <Expression>("expr"))
{
switch (expr)
{
case IdentifierExpression identifier:
// nothing to add
continue;
case NamedExpression namedExpression:
if (namedExpression.Expression is IdentifierExpression identifierExpression && namedExpression.Name == identifierExpression.Identifier)
{
letClauses[namedExpression.Name] = identifierExpression.Annotation <ILVariableResolveResult>();
continue;
}
QueryLetClause letClause = new QueryLetClause {
Identifier = namedExpression.Name, Expression = namedExpression.Expression.Detach()
};
var annotation = new LetIdentifierAnnotation();
letClause.AddAnnotation(annotation);
letClauses[namedExpression.Name] = annotation;
query.Clauses.InsertAfter(insertionPos, letClause);
break;
}
}
return(true);
}
public StringBuilder VisitQuerySelectClause(QuerySelectClause querySelectClause, int data)
{
throw new SLSharpException("HLSL does not understand LINQ.");
}
/// <inheritdoc/>
public virtual void VisitQuerySelectClause(QuerySelectClause syntax)
{
VisitNode(syntax);
}
public virtual S VisitQuerySelectClause(QuerySelectClause querySelectClause, T data)
{
return(VisitChildren(querySelectClause, data));
}
public override void VisitQuerySelectClause(QuerySelectClause querySelectClause)
{
throw NotSupportedToConsistency();
}
public void VisitQuerySelectClause(QuerySelectClause node)
{
NotSupported(node);
}
protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
{
QuerySelectClause o = other as QuerySelectClause;
return(o != null && this.Expression.DoMatch(o.Expression, match));
}
public override object Visit (Mono.CSharp.Linq.Select sel)
{
var result = new QuerySelectClause ();
var location = LocationsBag.GetLocations (sel);
result.AddChild (new CSharpTokenNode (Convert (location[0]), "select".Length), QueryWhereClause.Roles.Keyword);
result.AddChild ((MonoDevelop.CSharp.Ast.Expression)sel.Expr.Accept (this), QueryWhereClause.Roles.Expression);
return result;
}
public virtual void VisitQuerySelectClause(QuerySelectClause querySelectClause)
{
if (this.ThrowException)
{
throw (Exception)this.CreateException(querySelectClause);
}
}
public Node VisitQuerySelectClause(QuerySelectClause querySelectClause)
{
return(CreateDummy(querySelectClause));
}
public override void VisitQuerySelectClause(QuerySelectClause querySelectClause)
{
}
/// <summary>
/// Gets a query select clause.
/// </summary>
/// <param name="parentReference">The parent code unit.</param>
/// <param name="unsafeCode">Indicates whether the code being parsed resides
/// in an unsafe code block.</param>
/// <returns>Returns the query select clause.</returns>
private QuerySelectClause GetQuerySelectClause(Reference<ICodePart> parentReference, bool unsafeCode)
{
Param.AssertNotNull(parentReference, "parentReference");
Param.Ignore(unsafeCode);
// Get and add the 'select' symbol.
Symbol symbol = this.GetNextSymbol(SymbolType.Other, parentReference);
Debug.Assert(symbol.Text == "select", "Expected a select keyword");
var clauseReference = new Reference<ICodePart>();
Node<CsToken> firstTokenNode = this.tokens.InsertLast(this.GetToken(CsTokenType.Select, SymbolType.Other, clauseReference));
// Get the select expression.
Expression selectClauseExpression = this.GetNextExpression(ExpressionPrecedence.Query, clauseReference, unsafeCode);
if (selectClauseExpression == null)
{
throw this.CreateSyntaxException();
}
// Create and return the clause.
var clause = new QuerySelectClause(new CsTokenList(this.tokens, firstTokenNode, this.tokens.Last), selectClauseExpression);
clauseReference.Target = clause;
return clause;
}
public StringBuilder VisitQuerySelectClause(QuerySelectClause querySelectClause, int data)
{
throw new ASLException("HLSL does not understand LINQ.");
}
public void VisitQuerySelectClause(QuerySelectClause querySelectClause)
{
throw new NotImplementedException();
}
public override void VisitQuerySelectClause(QuerySelectClause querySelectClause)
{
FixClauseIndentation(querySelectClause, querySelectClause.SelectKeyword);
}
public override object VisitQuerySelectClause(QuerySelectClause querySelectClause, object data)
{
ProcessQuery(querySelectClause.Expression);
return(base.VisitQuerySelectClause(querySelectClause, data));
}
public StringBuilder VisitQuerySelectClause(QuerySelectClause querySelectClause)
{
return(InvalidNode(querySelectClause, "LINQ is not supported"));
}
bool TryRemoveTransparentIdentifier(QueryExpression query, QueryFromClause fromClause, QueryExpression innerQuery)
{
if (!IsTransparentIdentifier(fromClause.Identifier))
{
return(false);
}
Match match = selectTransparentIdentifierPattern.Match(innerQuery.Clauses.Last());
if (!match.Success)
{
return(false);
}
QuerySelectClause selectClause = (QuerySelectClause)innerQuery.Clauses.Last();
NamedExpression nae1 = match.Get <NamedExpression>("nae1").SingleOrDefault();
NamedExpression nae2 = match.Get <NamedExpression>("nae2").SingleOrDefault();
if (nae1 != null && nae1.Name != ((IdentifierExpression)nae1.Expression).Identifier)
{
return(false);
}
Expression nae2Expr = match.Get <Expression>("nae2Expr").Single();
IdentifierExpression nae2IdentExpr = nae2Expr as IdentifierExpression;
if (nae2IdentExpr != null && (nae2 == null || nae2.Name == nae2IdentExpr.Identifier))
{
// from * in (from x in ... select new { x = x, y = y }) ...
// =>
// from x in ... ...
fromClause.Remove();
selectClause.Remove();
// Move clauses from innerQuery to query
QueryClause insertionPos = null;
foreach (var clause in innerQuery.Clauses)
{
query.Clauses.InsertAfter(insertionPos, insertionPos = Detach(clause));
}
}
else
{
// from * in (from x in ... select new { x = x, y = expr }) ...
// =>
// from x in ... let y = expr ...
fromClause.Remove();
selectClause.Remove();
// Move clauses from innerQuery to query
QueryClause insertionPos = null;
foreach (var clause in innerQuery.Clauses)
{
query.Clauses.InsertAfter(insertionPos, insertionPos = Detach(clause));
}
string ident;
if (nae2 != null)
{
ident = nae2.Name;
}
else if (nae2Expr is MemberReferenceExpression)
{
ident = ((MemberReferenceExpression)nae2Expr).MemberName;
}
else
{
throw new InvalidOperationException("Could not infer name from initializer in AnonymousTypeCreateExpression");
}
query.Clauses.InsertAfter(insertionPos, new QueryLetClause {
Identifier = ident, Expression = Detach(nae2Expr)
});
}
return(true);
}
public virtual void VisitQuerySelectClause(QuerySelectClause querySelectClause)
{
VisitChildren (querySelectClause);
}
public override void VisitQuerySelectClause(QuerySelectClause syntax)
{
_underlyingVisitor.VisitQuerySelectClause(syntax);
}
public RedILNode VisitQuerySelectClause(QuerySelectClause querySelectClause, State data)
{
throw new System.NotImplementedException();
}
public override object Visit (Mono.CSharp.Linq.Select sel)
{
var result = new QuerySelectClause ();
result.AddChild (new CSharpTokenNode (Convert (sel.Location), "select".Length), QueryWhereClause.Roles.Keyword);
result.AddChild ((Expression)sel.Expr.Accept (this), QueryWhereClause.Roles.Expression);
return result;
}
public void VisitQuerySelectClause(QuerySelectClause querySelectClause)
{
throw new NotImplementedException();
}
public override object Visit(Mono.CSharp.Linq.Select select)
{
var result = new QuerySelectClause();
result.AddChild(new CSharpTokenNode(Convert(select.Location), QuerySelectClause.SelectKeywordRole), QuerySelectClause.SelectKeywordRole);
if (select.Expr != null)
result.AddChild((Expression)select.Expr.Accept(this), Roles.Expression);
return result;
}
public JNode VisitQuerySelectClause(QuerySelectClause node)
{
throw new NotImplementedException();
}
public void VisitQuerySelectClause(QuerySelectClause querySelectClause)
{
StartNode(querySelectClause);
WriteKeyword(QuerySelectClause.SelectKeywordRole);
Space();
querySelectClause.Expression.AcceptVisitor(this);
EndNode(querySelectClause);
}
public virtual Node VisitQuerySelectClause(QuerySelectClause querySelectClause)
{
throw new System.NotImplementedException();
}
