Shader: Add AstExportVisitor

src/Nazara/Shader/Ast/AstExportVisitor.cpp

@@ -0,0 +1,25 @@
+// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
+// This file is part of the "Nazara Engine - Shader module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/Shader/Ast/AstExportVisitor.hpp>
+#include <stdexcept>
+#include <Nazara/Shader/Debug.hpp>
+
+namespace Nz::ShaderAst
+{
+	void AstExportVisitor::Visit(Statement& statement, const Callbacks& callbacks)
+	{
+		m_callbacks = &callbacks;
+		statement.Visit(*this);
+	}
+
+	void AstExportVisitor::Visit(DeclareStructStatement& node)
+	{
+		if (!node.isExported.HasValue() || !node.isExported.GetResultingValue())
+			return;
+
+		if (m_callbacks->onExportedStruct)
+			m_callbacks->onExportedStruct(node);
+	}
+}