internal override bool Equals(TypeSymbol t2, bool ignoreCustomModifiers, bool ignoreDynamic)
{
if (ReferenceEquals(this, t2))
{
return(true);
}
if ((object)t2 == null)
{
return(false);
}
CrefTypeParameterSymbol other = t2 as CrefTypeParameterSymbol;
return((object)other != null &&
other.name == this.name &&
other.ordinal == this.ordinal &&
other.declaringSyntax.GetSyntax() == this.declaringSyntax.GetSyntax());
}
internal override bool Equals(TypeSymbol t2, TypeCompareKind comparison)
{
if (ReferenceEquals(this, t2))
{
return(true);
}
if ((object)t2 == null)
{
return(false);
}
CrefTypeParameterSymbol other = t2 as CrefTypeParameterSymbol;
return((object)other != null &&
other._name == _name &&
other._ordinal == _ordinal &&
other._declaringSyntax.GetSyntax() == _declaringSyntax.GetSyntax());
}
internal override bool Equals(TypeSymbol t2, TypeCompareKind comparison, IReadOnlyDictionary <TypeParameterSymbol, bool> isValueTypeOverrideOpt = null)
{
Debug.Assert(isValueTypeOverrideOpt == null);
if (ReferenceEquals(this, t2))
{
return(true);
}
if ((object)t2 == null)
{
return(false);
}
CrefTypeParameterSymbol other = t2 as CrefTypeParameterSymbol;
return((object)other != null &&
other._name == _name &&
other._ordinal == _ordinal &&
other._declaringSyntax.GetSyntax() == _declaringSyntax.GetSyntax());
}
private static void AddTypeParameters(GenericNameSyntax genericNameSyntax, MultiDictionary<string, TypeParameterSymbol> map)
{
// NOTE: Dev11 does not warn about duplication, it just matches parameter types to the
// *last* type parameter with the same name. That's why we're iterating backwards and
// skipping subsequent symbols with the same name. This can result in some surprising
// behavior. For example, both 'T's in "A<T>.B<T>" bind to the second implicitly
// declared type parameter.
SeparatedSyntaxList<TypeSyntax> typeArguments = genericNameSyntax.TypeArgumentList.Arguments;
for (int i = typeArguments.Count - 1; i >= 0; i--)
{
// Other types (non-identifiers) are allowed in error scenarios, but they do not introduce new
// cref type parameters.
if (typeArguments[i].Kind() == SyntaxKind.IdentifierName)
{
IdentifierNameSyntax typeParameterSyntax = (IdentifierNameSyntax)typeArguments[i];
Debug.Assert(typeParameterSyntax != null, "Syntactic requirement of crefs");
string name = typeParameterSyntax.Identifier.ValueText;
if (SyntaxFacts.IsValidIdentifier(name) && !map.ContainsKey(name))
{
TypeParameterSymbol typeParameterSymbol = new CrefTypeParameterSymbol(name, i, typeParameterSyntax);
map.Add(name, typeParameterSymbol);
}
}
}
}
