From 655d6d136e143e02644ad44663c0c67178b73e6a Mon Sep 17 00:00:00 2001
From: "Crom (Thibaut CHARLES)" <CromFr@gmail.com>
Date: Sun, 28 Feb 2016 22:02:57 +0100
Subject: [PATCH 1/2] Convert struct members if public and not @("internal")

---
 luad/conversions/structs.d | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/luad/conversions/structs.d b/luad/conversions/structs.d
index 6da6164..b95c0cb 100644
--- a/luad/conversions/structs.d
+++ b/luad/conversions/structs.d
@@ -12,9 +12,10 @@ import luad.c.all;
 
 import luad.stack;
 
-private template isInternal(string field)
+private template isInternal(T, string field)
 {
-	enum isInternal = field.length >= 2 && field[0..2] == "__";
+	import std.traits : hasUDA;
+	enum isInternal = hasUDA!(mixin("T."~field), "internal") || field.length >= 2 && field[0..2] == "__";
 }
 
 //TODO: ignore static fields, post-blits, destructors, etc?
@@ -24,7 +25,8 @@ void pushStruct(T)(lua_State* L, ref T value) if (is(T == struct))
 
 	foreach(field; __traits(allMembers, T))
 	{
-		static if(!isInternal!field &&
+		static if(__traits(getProtection, mixin("T."~field))=="public" &&
+		          !isInternal!(T, field) &&
 		          field != "this" &&
 		          field != "opAssign")
 		{
@@ -53,7 +55,11 @@ void fillStruct(T)(lua_State* L, int idx, ref T s) if(is(T == struct))
 {
 	foreach(field; __traits(allMembers, T))
 	{
-		static if(field != "this" && !isInternal!(field))
+		static if(
+			field != "this"
+			&& __traits(getProtection, mixin("T."~field))=="public"
+			&& !isInternal!(T, field)
+			)
 		{
 			static if(__traits(getOverloads, T, field).length == 0)
 			{

From b82afb2c1b6a4542c2674add3b2618930c6e7d5f Mon Sep 17 00:00:00 2001
From: "Crom (Thibaut CHARLES)" <CromFr@gmail.com>
Date: Sun, 28 Feb 2016 23:00:20 +0100
Subject: [PATCH 2/2] @("internal") changed to @internal

---
 luad/all.d                 | 1 +
 luad/conversions/structs.d | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/luad/all.d b/luad/all.d
index a92c9ae..082e866 100644
--- a/luad/all.d
+++ b/luad/all.d
@@ -8,3 +8,4 @@ module luad.all;
 public import luad.base, luad.table, luad.lfunction, luad.dynamic, luad.state, luad.lmodule;
 
 public import luad.conversions.functions : LuaVariableReturn, variableReturn;
+public import luad.conversions.structs : internal;
diff --git a/luad/conversions/structs.d b/luad/conversions/structs.d
index b95c0cb..4662b49 100644
--- a/luad/conversions/structs.d
+++ b/luad/conversions/structs.d
@@ -12,10 +12,12 @@ import luad.c.all;
 
 import luad.stack;
 
+enum internal;
+
 private template isInternal(T, string field)
 {
 	import std.traits : hasUDA;
-	enum isInternal = hasUDA!(mixin("T."~field), "internal") || field.length >= 2 && field[0..2] == "__";
+	enum isInternal = hasUDA!(mixin("T."~field), internal) || field.length >= 2 && field[0..2] == "__";
 }
 
 //TODO: ignore static fields, post-blits, destructors, etc?