// Lookup a system type
// Context-free
public TypeEntry LookupSystemType(string st)
{
NamespaceEntry nsSystem = (NamespaceEntry) LookupSymbol(m_scopeGlobal, "System", true);
Scope scopeSystem = nsSystem.ChildScope;
SymEntry s = LookupSymbol(scopeSystem, st, true);
// An end-user program can't lookup system types, so this assert should be fine.
Debug.Assert(s is TypeEntry, "Expected '" + st + "' is a type");
return s as TypeEntry;
}
//-----------------------------------------------------------------------------
// The symbol is undefined in the namespace.
//-----------------------------------------------------------------------------
public static SymbolErrorException UndefinedSymbolInNamespace(
NamespaceEntry n,
Identifier idMissingSymbol
)
{
return new SymbolErrorException(
Code.cSymbolNotInNamespace,
idMissingSymbol.Location,
"'" + idMissingSymbol.Text + "' is not defined in the namespace '" +
n.FullName + "'. (Are you missing an assembly reference?)");
}