reduce header dependencies (part 1/2)

libs/ardour/ardour/lua_script_params.h

@@ -21,7 +21,10 @@
 
 #include "ardour/libardour_visibility.h"
 #include "ardour/luascripting.h"
-#include "LuaBridge/LuaBridge.h"
+
+namespace luabridge {
+	class LuaRef;
+}
 
 /* Semantically these are static functions of the LuaScripting class
  * but are kept separately to minimize header includes.

libs/ardour/ardour/luaproc.h

@@ -33,7 +33,10 @@
 #include "ardour/dsp_filter.h"
 
 #include "lua/luastate.h"
-#include "LuaBridge/LuaBridge.h"
+
+namespace luabridge {
+	class LuaRef;
+}
 
 namespace ARDOUR {
 

libs/ardour/lua_api.cc

@@ -28,6 +28,8 @@
 #include "ardour/plugin_insert.h"
 #include "ardour/plugin_manager.h"
 
+#include "LuaBridge/LuaBridge.h"
+
 #include "i18n.h"
 
 using namespace ARDOUR;

libs/ardour/luaproc.cc

@@ -31,6 +31,8 @@
 #include "ardour/plugin.h"
 #include "ardour/session.h"
 
+#include "LuaBridge/LuaBridge.h"
+
 #include "i18n.h"
 
 using namespace ARDOUR;

libs/lua/LuaBridge/detail/Namespace.h

@@ -29,6 +29,7 @@
 //==============================================================================
 
 #ifdef LUABINDINGDOC
+#include <iostream>
 #include <typeinfo>
 #include <execinfo.h>
 #include <type_traits>