/// <summary>
/// Check is given <paramref name="declarerName"/> and its <paramref name="typeParams"/> are without duplicity.
/// </summary>
/// <param name="typeParams">Generic type parameters.</param>
/// <param name="declarerName">Type name.</param>
private void CheckTypeParameterNames(List <FormalTypeParam> typeParams, string /*!*/ declarerName)
{
if (typeParams == null)
{
return;
}
for (int i = 0; i < typeParams.Count; i++)
{
if (typeParams[i].Name.Equals(declarerName))
{
ErrorSink.Add(Errors.GenericParameterCollidesWithDeclarer, SourceUnit, typeParams[i].Position, declarerName);
}
else if (CurrentScopeAliases.ContainsKey(typeParams[i].Name.Value))
{
ErrorSink.Add(Errors.GenericAlreadyInUse, SourceUnit, typeParams[i].Position, typeParams[i].Name.Value);
}
else
{
for (int j = 0; j < i; j++)
{
if (typeParams[j].Name.Equals(typeParams[i].Name))
{
errors.Add(Errors.DuplicateGenericParameter, SourceUnit, typeParams[i].Position);
}
}
}
}
}
private void CheckTypeNameInUse(Name typeName, Position position)
{
if (CurrentScopeAliases.ContainsKey(typeName.Value) ||
reservedTypeNames.Contains(typeName.Value))
{
errors.Add(FatalErrors.ClassAlreadyInUse, SourceUnit, position,
CurrentNamespaceName + typeName.Value);
}
}