Fix PtrRelease object for angelscript adaptor

Author: supermerill

src/slic3r/GUI/GUI_App.hpp

@@ -6,8 +6,6 @@
 #ifndef slic3r_GUI_App_hpp_
 #define slic3r_GUI_App_hpp_
 
-#include <angelscript/include/angelscript.h>
-#include <angelscript/add_on/scriptbuilder/scriptbuilder.h>
 #include <memory>
 #include <string>
 #include "ImGuiWrapper.hpp"
@@ -171,8 +169,6 @@ class GUI_App : public wxApp
 
     OpenGLManager m_opengl_mgr;
 
-    //AngelScript::PtrRelease<AngelScript::asIScriptEngine> m_script_engine;
-
     std::unique_ptr<RemovableDriveManager> m_removable_drive_manager;
 
     std::unique_ptr<ImGuiWrapper> m_imgui;
@@ -196,8 +192,6 @@ class GUI_App : public wxApp
     bool is_recreating_gui() const { return m_is_recreating_gui; }
     std::string logo_name() const { return is_editor() ? SLIC3R_APP_KEY : GCODEVIEWER_APP_KEY; }
 
-    //AngelScript::asIScriptEngine* get_script_engine() const { return m_script_engine.get(); }
-
     // To be called after the GUI is fully built up.
     // Process command line parameters cached in this->init_params,
     // load configs, STLs etc.

src/slic3r/GUI/ScriptExecutor.cpp

@@ -1,3 +1,7 @@
+///|/ Copyright (c) SuperSlicer 2023-2025 Remi Durand @supermerill
+///|/ 
+///|/ SuperSlicer is released under the terms of the AGPLv3 or higher
+///|/
 #include "ScriptExecutor.hpp"
 
 #include "libslic3r/PresetBundle.hpp"

src/slic3r/GUI/ScriptExecutor.hpp

@@ -1,3 +1,7 @@
+///|/ Copyright (c) SuperSlicer 2023-2025 Remi Durand @supermerill
+///|/ 
+///|/ SuperSlicer is released under the terms of the AGPLv3 or higher
+///|/
 #ifndef slic3r_ScriptExecutor_hpp_
 #define slic3r_ScriptExecutor_hpp_
 
@@ -6,6 +10,45 @@
 
 #include <angelscript/include/angelscript.h>
 #include <angelscript/add_on/scriptbuilder/scriptbuilder.h>
+namespace AngelScript{
+    
+template<class T>
+class PtrRelease
+{
+private:
+	T* ptr = nullptr;
+public:
+	PtrRelease() {}
+	PtrRelease(const PtrRelease&) = delete;
+	PtrRelease& operator=(PtrRelease const&) = delete;
+	~PtrRelease() { if (nullptr != ptr) ptr->Release(); }
+
+	/// @brief this reset release its ownership and re-acquire another one
+	void reset(T* p) noexcept
+	{
+		assert((nullptr == p) || (ptr != p)); // auto-reset not allowed
+		if (nullptr != ptr) ptr->Release();
+		ptr = p;
+	}
+	// underlying pointer operations :
+	inline T& operator*()  const noexcept
+	{
+		assert(nullptr != ptr);
+		return *ptr;
+	}
+	inline T* operator->() const noexcept
+	{
+		assert(nullptr != ptr);
+		return ptr;
+	}
+	inline T* get()  const noexcept
+	{
+		// no assert, can return nullptr
+		return ptr;
+	}
+};
+    
+} // namespace AngelScript
 
 namespace Slic3r { namespace GUI {