Rework shader AST (WIP)

include/Nazara/Shader/ShaderAstExpressionVisitor.hpp

@@ -0,0 +1,32 @@
+// Copyright (C) 2020 Jérôme Leclercq
+// This file is part of the "Nazara Engine - Shader generator"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#pragma once
+
+#ifndef NAZARA_SHADERASTEXPRESSIONVISITOR_HPP
+#define NAZARA_SHADERASTEXPRESSIONVISITOR_HPP
+
+#include <Nazara/Prerequisites.hpp>
+#include <Nazara/Shader/Config.hpp>
+#include <Nazara/Shader/ShaderNodes.hpp>
+
+namespace Nz::ShaderAst
+{
+	class NAZARA_SHADER_API AstExpressionVisitor
+	{
+		public:
+			AstExpressionVisitor() = default;
+			AstExpressionVisitor(const AstExpressionVisitor&) = delete;
+			AstExpressionVisitor(AstExpressionVisitor&&) = delete;
+			virtual ~AstExpressionVisitor();
+
+#define NAZARA_SHADERAST_EXPRESSION(NodeType) virtual void Visit(NodeType& node) = 0;
+#include <Nazara/Shader/ShaderAstNodes.hpp>
+
+			AstExpressionVisitor& operator=(const AstExpressionVisitor&) = delete;
+			AstExpressionVisitor& operator=(AstExpressionVisitor&&) = delete;
+	};
+}
+
+#endif