Shader: Cleanup and rename AST files

include/Nazara/Shader/Ast/AstCloner.hpp

@@ -0,0 +1,83 @@
+// 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_SHADERASTCLONER_HPP
+#define NAZARA_SHADERASTCLONER_HPP
+
+#include <Nazara/Prerequisites.hpp>
+#include <Nazara/Shader/Config.hpp>
+#include <Nazara/Shader/Ast/AstExpressionVisitor.hpp>
+#include <Nazara/Shader/Ast/AstStatementVisitor.hpp>
+#include <vector>
+
+namespace Nz::ShaderAst
+{
+	class NAZARA_SHADER_API AstCloner : public AstExpressionVisitor, public AstStatementVisitor
+	{
+		public:
+			AstCloner() = default;
+			AstCloner(const AstCloner&) = delete;
+			AstCloner(AstCloner&&) = delete;
+			~AstCloner() = default;
+
+			ExpressionPtr Clone(ExpressionPtr& statement);
+			StatementPtr Clone(StatementPtr& statement);
+
+			AstCloner& operator=(const AstCloner&) = delete;
+			AstCloner& operator=(AstCloner&&) = delete;
+
+		protected:
+			inline ExpressionPtr CloneExpression(ExpressionPtr& expr);
+			inline StatementPtr CloneStatement(StatementPtr& statement);
+
+			virtual ExpressionPtr CloneExpression(Expression& expr);
+			virtual StatementPtr CloneStatement(Statement& statement);
+
+			virtual ExpressionPtr Clone(AccessMemberIdentifierExpression& node);
+			virtual ExpressionPtr Clone(AccessMemberIndexExpression& node);
+			virtual ExpressionPtr Clone(AssignExpression& node);
+			virtual ExpressionPtr Clone(BinaryExpression& node);
+			virtual ExpressionPtr Clone(CastExpression& node);
+			virtual ExpressionPtr Clone(ConditionalExpression& node);
+			virtual ExpressionPtr Clone(ConstantExpression& node);
+			virtual ExpressionPtr Clone(IdentifierExpression& node);
+			virtual ExpressionPtr Clone(IntrinsicExpression& node);
+			virtual ExpressionPtr Clone(SwizzleExpression& node);
+			virtual ExpressionPtr Clone(VariableExpression& node);
+
+			virtual StatementPtr Clone(BranchStatement& node);
+			virtual StatementPtr Clone(ConditionalStatement& node);
+			virtual StatementPtr Clone(DeclareExternalStatement& node);
+			virtual StatementPtr Clone(DeclareFunctionStatement& node);
+			virtual StatementPtr Clone(DeclareStructStatement& node);
+			virtual StatementPtr Clone(DeclareVariableStatement& node);
+			virtual StatementPtr Clone(DiscardStatement& node);
+			virtual StatementPtr Clone(ExpressionStatement& node);
+			virtual StatementPtr Clone(MultiStatement& node);
+			virtual StatementPtr Clone(NoOpStatement& node);
+			virtual StatementPtr Clone(ReturnStatement& node);
+
+#define NAZARA_SHADERAST_NODE(NodeType) void Visit(NodeType& node) override;
+#include <Nazara/Shader/Ast/AstNodeList.hpp>
+
+			void PushExpression(ExpressionPtr expression);
+			void PushStatement(StatementPtr statement);
+
+			ExpressionPtr PopExpression();
+			StatementPtr PopStatement();
+
+		private:
+			std::vector<ExpressionPtr> m_expressionStack;
+			std::vector<StatementPtr>  m_statementStack;
+	};
+
+	inline ExpressionPtr Clone(ExpressionPtr& node);
+	inline StatementPtr Clone(StatementPtr& node);
+}
+
+#include <Nazara/Shader/Ast/AstCloner.inl>
+
+#endif