Parsed friendly non-type declarations.

Signed-off-by: Dimitar Dobrev <dpldobrev@yahoo.com>

src/CppParser/Parser.cpp

@@ -25,6 +25,7 @@
 #include <clang/Config/config.h>
 #include <clang/AST/ASTContext.h>
 #include <clang/AST/Comment.h>
+#include <clang/AST/DeclFriend.h>
 #include <clang/AST/DeclTemplate.h>
 #include <clang/AST/ExprCXX.h>
 #include <clang/Lex/DirectoryLookup.h>
@@ -2902,6 +2903,14 @@ Declaration* Parser::WalkDeclaration(clang::Decl* D,
         Decl->_Namespace = NS;
         break;
     }
+    case Decl::Friend:
+    {
+        auto FD = cast<FriendDecl>(D);
+        if (auto Friend = FD->getFriendDecl())
+            return WalkDeclaration(Friend, IgnoreSystemDecls, CanBeDefinition);
+
+        break;
+    }
     // Ignore these declarations since they must have been declared in
     // a class already.
     case Decl::CXXDestructor:
@@ -2910,7 +2919,6 @@ Declaration* Parser::WalkDeclaration(clang::Decl* D,
         break;
     case Decl::Empty:
     case Decl::AccessSpec:
-    case Decl::Friend:
     case Decl::Using:
     case Decl::UsingDirective:
     case Decl::UsingShadow:

tests/Basic/Basic.cpp

@@ -342,3 +342,18 @@ InternalCtorAmbiguity* InvokesInternalCtorAmbiguity::InvokeInternalCtor()
 {
     return ptr;
 }
+
+HasFriend::HasFriend(int m)
+{
+    this->m = m;
+}
+
+int HasFriend::getM()
+{
+    return m;
+}
+
+DLL_API inline const HasFriend operator+(const HasFriend& f1, const HasFriend& f2)
+{
+    return HasFriend(f1.m + f2.m);
+}

tests/Basic/Basic.h

@@ -661,3 +661,13 @@ public:
 private:
     InternalCtorAmbiguity* ptr;
 };
+
+class DLL_API HasFriend
+{
+public:
+    HasFriend(int m);
+    DLL_API friend inline const HasFriend operator+(const HasFriend& f1, const HasFriend& f2);
+    int getM();
+private:
+    int m;
+};