//
// Extracts the using alises and using clauses into a couple of
// arrays that might already have the same information; Used by the
// C# Eval mode.
//
public void Extract(List <NamespaceUsingAlias> out_using_aliases, List <NamespaceUsing> out_using_clauses)
{
if (using_aliases != null)
{
foreach (NamespaceUsingAlias uae in using_aliases)
{
bool replaced = false;
for (int i = 0; i < out_using_aliases.Count; i++)
{
NamespaceUsingAlias out_uea = (NamespaceUsingAlias)out_using_aliases [i];
if (out_uea.Alias == uae.Alias)
{
out_using_aliases [i] = uae;
replaced = true;
break;
}
}
if (!replaced)
{
out_using_aliases.Add(uae);
}
}
}
if (using_clauses != null)
{
foreach (NamespaceUsing ue in using_clauses)
{
bool found = false;
foreach (NamespaceUsing out_ue in out_using_clauses)
{
if (out_ue.Name == ue.Name)
{
found = true;
break;
}
}
if (!found)
{
out_using_clauses.Add(ue);
}
}
}
}
void AddUsingAlias(NamespaceUsingAlias uae)
{
if (using_aliases == null)
{
using_aliases = new List <NamespaceUsingAlias> ();
}
else
{
foreach (NamespaceUsingAlias entry in using_aliases)
{
if (uae.Alias == entry.Alias)
{
Compiler.Report.SymbolRelatedToPreviousError(uae.Location, uae.Alias);
Compiler.Report.Error(1537, entry.Location, "The using alias `{0}' appeared previously in this namespace",
entry.Alias);
return;
}
}
}
using_aliases.Add(uae);
}
void AddUsingAlias (NamespaceUsingAlias uae)
{
if (using_aliases == null) {
using_aliases = new List<NamespaceUsingAlias> ();
} else {
foreach (NamespaceUsingAlias entry in using_aliases) {
if (uae.Alias == entry.Alias) {
Compiler.Report.SymbolRelatedToPreviousError (uae.Location, uae.Alias);
Compiler.Report.Error (1537, entry.Location, "The using alias `{0}' appeared previously in this namespace",
entry.Alias);
return;
}
}
}
using_aliases.Add (uae);
}