public virtual object VisitIndexerDeclaration(IndexerNode indexerDeclaration, object data)
{
stackMap.Push(indexerDeclaration);
indexerDeclaration.Attributes.AcceptVisitor(this, data);
indexerDeclaration.Params.AcceptVisitor(this, data);
indexerDeclaration.Type.AcceptVisitor(this, data);
if (indexerDeclaration.Getter != null)
{
indexerDeclaration.Getter.AcceptVisitor(this, data);
}
if (indexerDeclaration.Setter != null)
{
indexerDeclaration.Setter.AcceptVisitor(this, data);
}
if (indexerDeclaration.InterfaceType != null)
{
indexerDeclaration.InterfaceType.AcceptVisitor(this, data);
}
stackMap.Pop();
return(null);
}
private void ParseIndexer(IType type, QualifiedIdentifierExpression interfaceType)
{
IndexerNode node = new IndexerNode(curtok);
ClassNode cl = typeStack.Peek();
cl.Indexers.Add(node);
if (curAttributes.Count > 0)
{
node.Attributes = curAttributes;
curAttributes = new NodeCollection<AttributeNode>();
}
uint mask = ~(uint)Modifier.IndexerMods;
if (((uint)curmods & mask) != (uint)Modifier.Empty)
ReportError("indexer declaration contains illegal modifiers");
node.Modifiers = curmods;
curmods = Modifier.Empty;
if ((node.Modifiers & Modifier.Unsafe) != Modifier.Empty)
{
//unsafe modifier -> unsafe type.
isUnsafe++;
node.IsUnsafeDeclared = true;
}
//the indexer is declared in an unsafe type ?
node.IsUnsafe = isUnsafe > 0;
CheckStaticClass(cl, node.Modifiers, true); ;
node.Type = type;
if (interfaceType != null)
{
node.InterfaceType = new TypeNode(interfaceType );
}
AssertAndAdvance(TokenID.This);
node.Params = ParseParamList(TokenID.LBracket, TokenID.RBracket);
// parse accessor part
AssertAndAdvance(TokenID.LCurly);
ParseModifiers();
if (curtok.ID != TokenID.Ident)
{
RecoverFromError("At least one get or set required in accessor", curtok.ID);
}
bool parsedGet = false;
if (strings[curtok.Data] == "get")
{
node.Getter = ParseAccessor(type);
parsedGet = true;
}
ParseModifiers();
if (curtok.ID == TokenID.Ident && strings[curtok.Data] == "set")
{
node.Setter = ParseAccessor(type);
}
ParseModifiers();
// get might follow set
if (!parsedGet && curtok.ID == TokenID.Ident && strings[curtok.Data] == "get")
{
node.Getter = ParseAccessor(type);
}
if (node.Setter != null
&& node.Getter != null)
{
if (node.Getter.Modifiers != Modifier.Empty
&& node.Setter.Modifiers != Modifier.Empty)
{
ReportError("Modifiers is permitted only for one of the acessors.");
}
}
else
{
if (node.Setter == null && node.Getter.Modifiers != Modifier.Empty
|| node.Getter == null && node.Setter.Modifiers != Modifier.Empty)
{
ReportError("Accessor modifier is authorized only if the 'get' and the 'set' are declared.");
}
}
switch (node.Modifiers)
{
case Modifier.Public:
break;
case (Modifier.Protected | Modifier.Internal):
if ( node.Getter != null
&& node.Getter.Modifiers != Modifier.Empty
&& (node.Getter.Modifiers != Modifier.Protected
|| node.Getter.Modifiers != Modifier.Private
|| node.Getter.Modifiers != Modifier.Internal
)
)
{
ReportError("The property is protected internal, so the accessor can be only protected, private or internal.");
}
if (node.Setter != null
&& node.Setter.Modifiers != Modifier.Empty
&& (node.Setter.Modifiers != Modifier.Protected
|| node.Setter.Modifiers != Modifier.Private
|| node.Setter.Modifiers != Modifier.Internal
)
)
{
ReportError("The property is protected internal, so the accessor can be only protected, private or internal.");
}
break;
case Modifier.Protected:
case Modifier.Internal:
if (node.Getter != null
&& node.Getter.Modifiers != Modifier.Empty
&& node.Getter.Modifiers != Modifier.Private)
{
ReportError("The property is protected or internal, so the accessor can be only private.");
}
if (node.Setter != null
&& node.Setter.Modifiers != Modifier.Empty
&& node.Setter.Modifiers != Modifier.Private)
{
ReportError("The property is protected or internal, so the accessor can be only private.");
}
break;
case Modifier.Private:
if (node.Getter != null
&& node.Getter.Modifiers != Modifier.Empty)
{
ReportError("The property is private or internal, so the accessor can not have any modifier.");
}
if (node.Setter != null
&& node.Setter.Modifiers != Modifier.Empty)
{
ReportError("The property is private or internal, so the accessor can not have any modifier.");
}
break;
}
AssertAndAdvance(TokenID.RCurly);
if ((node.Modifiers & Modifier.Unsafe) != Modifier.Empty)
{
//unsafe modifier -> unsafe type.
isUnsafe--;
}
#region Save name in the name table
if (node.Getter != null)
{
if (node.Setter != null)
{
if (node.Getter.Modifiers != Modifier.Empty)
{
this.nameTable.AddIdentifier(new IndexerName(
ToVisibilityRestriction(node.Setter.Modifiers),
ToVisibilityRestriction(node.Modifiers),
((node.Modifiers & Modifier.Static) != Modifier.Static ? Scope.Instance : Scope.Static),
PropertyAccessors.Both,
this.currentContext));
}
else if (node.Setter.Modifiers != Modifier.Empty)
{
this.nameTable.AddIdentifier(new IndexerName(
ToVisibilityRestriction(node.Modifiers),
ToVisibilityRestriction(node.Setter.Modifiers),
((node.Modifiers & Modifier.Static) != Modifier.Static ? Scope.Instance : Scope.Static),
PropertyAccessors.Both,
this.currentContext));
}
else
{
this.nameTable.AddIdentifier(new IndexerName(
ToVisibilityRestriction(node.Modifiers),
ToVisibilityRestriction(node.Modifiers),
((node.Modifiers & Modifier.Static) != Modifier.Static ? Scope.Instance : Scope.Static),
PropertyAccessors.Both,
this.currentContext));
}
}
else
{
this.nameTable.AddIdentifier(new IndexerName(
ToVisibilityRestriction(node.Modifiers),
NameVisibilityRestriction.Self,
((node.Modifiers & Modifier.Static) != Modifier.Static ? Scope.Instance : Scope.Static),
PropertyAccessors.Get,
this.currentContext));
}
}
else
{
this.nameTable.AddIdentifier(new IndexerName(
NameVisibilityRestriction.Self,
ToVisibilityRestriction(node.Modifiers),
((node.Modifiers & Modifier.Static) != Modifier.Static ? Scope.Instance : Scope.Static),
PropertyAccessors.Set,
this.currentContext));
}
#endregion
}
public virtual object VisitIndexerDeclaration(IndexerNode indexerDeclaration, object data)
{
stackMap.Push(indexerDeclaration);
indexerDeclaration.Attributes.AcceptVisitor(this, data);
indexerDeclaration.Params.AcceptVisitor(this, data);
indexerDeclaration.Type.AcceptVisitor(this, data);
if (indexerDeclaration.Getter != null)
{
indexerDeclaration.Getter.AcceptVisitor(this, data);
}
if (indexerDeclaration.Setter != null)
{
indexerDeclaration.Setter.AcceptVisitor(this, data);
}
if (indexerDeclaration.InterfaceType != null)
{
indexerDeclaration.InterfaceType.AcceptVisitor(this, data);
}
stackMap.Pop();
return null;
}