public virtual object VisitEnumDeclaration(EnumNode enumDeclaration, object data)
{
stackMap.Push(enumDeclaration);
enumDeclaration.Attributes.AcceptVisitor(this, data);
if (enumDeclaration.BaseClass != null)
{
enumDeclaration.BaseClass.AcceptVisitor(this, data);
}
if (enumDeclaration.Value != null)
{
if (enumDeclaration.Value is NodeCollection <EnumNode> )
{
(enumDeclaration.Value as NodeCollection <EnumNode>).AcceptVisitor(this, data);
}
else
{
(enumDeclaration.Value as BaseNode).AcceptVisitor(this, data);
}
}
stackMap.Pop();
return(null);
}
private void ParseEnum()
{
EnumNode node = new EnumNode(curtok);
// todo: this needs to have any nested class info, or go in potential container class
if (curAttributes.Count > 0)
{
node.Attributes = curAttributes;
curAttributes = new NodeCollection<AttributeNode>();
}
uint enumMask = ~(uint)Modifier.EnumMods;
if (((uint)curmods & enumMask) != (uint)Modifier.Empty)
ReportError("Enum contains illegal modifiers");
node.Modifiers = curmods;
curmods = Modifier.Empty;
Advance(); // advance over Enum token
node.Name = (IdentifierExpression)ParseIdentifierOrKeyword(false, false, false, true);
if (curtok.ID == TokenID.Colon) // for base type
{
Advance();
node.BaseClass = ParseType();
}
CheckTypeUnicityAndAdd(node);
this.nameTable.AddIdentifier(new EnumName(node.Name.Identifier,
ToVisibilityRestriction(node.Modifiers),
this.currentContext));
this.currentContext.Enter(node.Name.Identifier, false);
ClassNode cl = typeStack.Count == 0 ? null : typeStack.Peek();
if (cl == null)
{
namespaceStack.Peek().Enums.Add(node);
}
else
{
cl.Enums.Add(node);
}
AssertAndAdvance(TokenID.LCurly);
DDW.Collections.NodeCollection<EnumNode> list = new DDW.Collections.NodeCollection<EnumNode>();
node.Value = list;
while (curtok.ID != TokenID.RCurly) // guard for empty
{
list.Add( ParseEnumMember() );
}
AssertAndAdvance(TokenID.RCurly);
if (curtok.ID == TokenID.Semi)
{
Advance();
}
this.currentContext.Leave();
}
private EnumNode ParseEnumMember()
{
EnumNode result = new EnumNode(curtok);
ParsePossibleAttributes(false);
if (curAttributes.Count > 0)
{
result.Attributes = curAttributes;
curAttributes = new NodeCollection<AttributeNode>();
}
if (curtok.ID != TokenID.Ident)
{
ReportError("Enum members must be legal identifiers.");
}
result.Name = new IdentifierExpression(strings[curtok.Data], curtok);
Advance();
if (curtok.ID == TokenID.Equal)
{
Advance();
result.Value = ParseExpression();
}
if (curtok.ID == TokenID.Comma)
{
Advance();
}
this.nameTable.AddIdentifier(new FieldName(result.Name.Identifier,
NameVisibilityRestriction.Everyone,
Scope.Static,
this.currentContext));
return result;
}
public virtual object VisitEnumDeclaration(EnumNode enumDeclaration, object data)
{
stackMap.Push(enumDeclaration);
enumDeclaration.Attributes.AcceptVisitor(this, data);
if (enumDeclaration.BaseClass != null )
{
enumDeclaration.BaseClass.AcceptVisitor(this, data);
}
if (enumDeclaration.Value != null)
{
if (enumDeclaration.Value is NodeCollection<EnumNode>)
{
(enumDeclaration.Value as NodeCollection<EnumNode>).AcceptVisitor(this, data);
}
else
{
(enumDeclaration.Value as BaseNode).AcceptVisitor(this, data);
}
}
stackMap.Pop();
return null;
}