Fixed parsing bug and subsequent failing test in GenerateEnumFromMacros.

It now uses preprocessed entities instead of the soon-to-be-removed macros.

src/CppParser/Parser.cpp

@@ -2111,7 +2111,7 @@ void Parser::HandleDeclaration(clang::Decl* D, Declaration* Decl)
 
     Decl->OriginalPtr = (void*) D;
 
-    if (!Decl->PreprocessedEntities.empty())
+    if (Decl->PreprocessedEntities.empty())
     {
         if (clang::dyn_cast<clang::TranslationUnitDecl>(D))
         {

src/Generator/Library.cs

@@ -131,7 +131,7 @@ namespace CppSharp
 
             foreach (var unit in context.TranslationUnits)
             {
-                foreach (var macro in unit.Macros)
+                foreach (var macro in unit.PreprocessedEntities.OfType<MacroDefinition>())
                 {
                     var match = regex.Match(macro.Name);
                     if (!match.Success) continue;