From f02fa7b2abcd44b901ff117ce93b8de97d874275 Mon Sep 17 00:00:00 2001
From: marcos henrich <marcoshenrich@gmail.com>
Date: Wed, 2 Apr 2014 15:53:45 +0100
Subject: [PATCH] Added a macro expansion processing to ignore a translation
 unit.

---
 src/Generator/Passes/CheckMacrosPass.cs | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/Generator/Passes/CheckMacrosPass.cs b/src/Generator/Passes/CheckMacrosPass.cs
index d4174b53..69d3f802 100644
--- a/src/Generator/Passes/CheckMacrosPass.cs
+++ b/src/Generator/Passes/CheckMacrosPass.cs
@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Linq;
 using CppSharp.AST;
 
@@ -73,6 +74,19 @@ namespace CppSharp.Passes
                 decl.IsGenerated = false;
         }
 
+        public override bool VisitTranslationUnit(TranslationUnit unit)
+        {
+            var expansions = unit.PreprocessedEntities.OfType<MacroExpansion>();
+
+            if (expansions.Any(e => e.Text == Prefix + "_IGNORE_FILE"))
+            {
+                unit.IsGenerated = false;
+                unit.ExplicityIgnored = true;
+            }
+
+            return base.VisitTranslationUnit(unit);
+        }
+
         public override bool VisitClassDecl(Class @class)
         {
             var expansions = @class.PreprocessedEntities.OfType<MacroExpansion>();