From 27c612ecd05cfa255c02ec0bf8e6558f5c8dc206 Mon Sep 17 00:00:00 2001
From: Dimitar Dobrev <dpldobrev@protonmail.com>
Date: Sat, 11 Jun 2016 18:52:41 +0300
Subject: [PATCH] Ignored abstract operators because they cannot be wrapped in
 Mono/.NET.

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>
---
 src/Generator/Driver.cs                        |  1 +
 .../Passes/IgnoreAbstractOperatorsPass.cs      | 18 ++++++++++++++++++
 tests/Common/Common.h                          |  6 ++++++
 3 files changed, 25 insertions(+)
 create mode 100644 src/Generator/Passes/IgnoreAbstractOperatorsPass.cs

diff --git a/src/Generator/Driver.cs b/src/Generator/Driver.cs
index 38b9d365..a499d50f 100644
--- a/src/Generator/Driver.cs
+++ b/src/Generator/Driver.cs
@@ -308,6 +308,7 @@ namespace CppSharp
 
             TranslationUnitPasses.AddPass(new FindSymbolsPass());
             TranslationUnitPasses.AddPass(new CheckStaticClass());
+            TranslationUnitPasses.AddPass(new IgnoreAbstractOperatorsPass());
             TranslationUnitPasses.AddPass(new MoveOperatorToClassPass());
             TranslationUnitPasses.AddPass(new MoveFunctionToClassPass());
             TranslationUnitPasses.AddPass(new GenerateAnonymousDelegatesPass());
diff --git a/src/Generator/Passes/IgnoreAbstractOperatorsPass.cs b/src/Generator/Passes/IgnoreAbstractOperatorsPass.cs
new file mode 100644
index 00000000..18895dff
--- /dev/null
+++ b/src/Generator/Passes/IgnoreAbstractOperatorsPass.cs
@@ -0,0 +1,18 @@
+using CppSharp.AST;
+
+namespace CppSharp.Passes
+{
+    public class IgnoreAbstractOperatorsPass : TranslationUnitPass
+    {
+        public override bool VisitMethodDecl(Method method)
+        {
+            if (!base.VisitMethodDecl(method) || method.TranslationUnit.IsSystemHeader)
+                return false;
+
+            if (method.IsPure && method.IsOperator)
+                method.ExplicitlyIgnore();
+
+            return true;
+        }
+    }
+}
diff --git a/tests/Common/Common.h b/tests/Common/Common.h
index 8883f542..3730d48e 100644
--- a/tests/Common/Common.h
+++ b/tests/Common/Common.h
@@ -1117,3 +1117,9 @@ private:
     SpecialisesVoid<void>* s;
     SpecialisesVoidInUnion<void>* h;
 };
+
+class DLL_API HasAbstractOperator
+{
+public:
+    virtual bool operator==(const HasAbstractOperator& other) = 0;
+};