From 8a3f50337ce75b4398ae33db58215c05dcf8437e Mon Sep 17 00:00:00 2001
From: triton <joao@tritao.eu>
Date: Sat, 16 Aug 2014 00:37:56 +0100
Subject: [PATCH] Added an hack for parsing declaration without unique native
 pointers.

We only need this because we're re-using the parameter declaration for function type parameters.
---
 src/Core/Parser/ASTConverter.cs | 3 +++
 src/CppParser/Parser.cpp        | 8 ++++++++
 2 files changed, 11 insertions(+)

diff --git a/src/Core/Parser/ASTConverter.cs b/src/Core/Parser/ASTConverter.cs
index 4197a82d..85a81819 100644
--- a/src/Core/Parser/ASTConverter.cs
+++ b/src/Core/Parser/ASTConverter.cs
@@ -698,6 +698,9 @@ namespace CppSharp
 
         bool CheckForDuplicates(Declaration decl)
         {
+            if (decl.OriginalPtr == (void*) (0x1))
+                return false;
+
             return !(decl is PreprocessedEntity);
         }
 
diff --git a/src/CppParser/Parser.cpp b/src/CppParser/Parser.cpp
index bfee41b9..98ac6020 100644
--- a/src/CppParser/Parser.cpp
+++ b/src/CppParser/Parser.cpp
@@ -44,6 +44,9 @@
 
 using namespace CppSharp::CppParser;
 
+// We use this as a placeholder for pointer values that should be ignored.
+void* IgnorePtr = (void*) 0x1;
+
 //-----------------------------------//
 
 Parser::Parser(ParserOptions* Opts) : Lib(Opts->ASTContext), Opts(Opts), Index(0)
@@ -1746,6 +1749,11 @@ Type* Parser::WalkType(clang::QualType QualType, clang::TypeLoc* TL,
                 auto Arg = FP->getParamType(i);
                 FA->Name = "";
                 FA->QualifiedType = GetQualifiedType(Arg, WalkType(Arg));
+
+                // In this case we have no valid value to use as a pointer so
+                // use a special value known to the managed side to make sure
+                // it gets ignored.
+                FA->OriginalPtr = IgnorePtr;
             }
             F->Parameters.push_back(FA);
         }