86 lines
3.1 KiB
C++
86 lines
3.1 KiB
C++
// Copyright (C) 2020 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Shader generator"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_SHADERASTCLONER_HPP
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#define NAZARA_SHADERASTCLONER_HPP
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#include <Nazara/Prerequisites.hpp>
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#include <Nazara/Shader/Config.hpp>
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#include <Nazara/Shader/Ast/AstExpressionVisitor.hpp>
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#include <Nazara/Shader/Ast/AstStatementVisitor.hpp>
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#include <vector>
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namespace Nz::ShaderAst
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{
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class NAZARA_SHADER_API AstCloner : public AstExpressionVisitor, public AstStatementVisitor
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{
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public:
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AstCloner() = default;
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AstCloner(const AstCloner&) = delete;
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AstCloner(AstCloner&&) = delete;
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~AstCloner() = default;
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ExpressionPtr Clone(ExpressionPtr& statement);
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StatementPtr Clone(StatementPtr& statement);
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AstCloner& operator=(const AstCloner&) = delete;
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AstCloner& operator=(AstCloner&&) = delete;
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protected:
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inline ExpressionPtr CloneExpression(ExpressionPtr& expr);
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inline StatementPtr CloneStatement(StatementPtr& statement);
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virtual ExpressionPtr CloneExpression(Expression& expr);
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virtual StatementPtr CloneStatement(Statement& statement);
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virtual ExpressionPtr Clone(AccessMemberIdentifierExpression& node);
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virtual ExpressionPtr Clone(AccessMemberIndexExpression& node);
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virtual ExpressionPtr Clone(AssignExpression& node);
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virtual ExpressionPtr Clone(BinaryExpression& node);
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virtual ExpressionPtr Clone(CastExpression& node);
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virtual ExpressionPtr Clone(ConditionalExpression& node);
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virtual ExpressionPtr Clone(ConstantExpression& node);
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virtual ExpressionPtr Clone(IdentifierExpression& node);
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virtual ExpressionPtr Clone(IntrinsicExpression& node);
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virtual ExpressionPtr Clone(SelectOptionExpression& node);
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virtual ExpressionPtr Clone(SwizzleExpression& node);
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virtual ExpressionPtr Clone(VariableExpression& node);
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virtual StatementPtr Clone(BranchStatement& node);
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virtual StatementPtr Clone(ConditionalStatement& node);
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virtual StatementPtr Clone(DeclareExternalStatement& node);
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virtual StatementPtr Clone(DeclareFunctionStatement& node);
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virtual StatementPtr Clone(DeclareOptionStatement& node);
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virtual StatementPtr Clone(DeclareStructStatement& node);
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virtual StatementPtr Clone(DeclareVariableStatement& node);
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virtual StatementPtr Clone(DiscardStatement& node);
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virtual StatementPtr Clone(ExpressionStatement& node);
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virtual StatementPtr Clone(MultiStatement& node);
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virtual StatementPtr Clone(NoOpStatement& node);
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virtual StatementPtr Clone(ReturnStatement& node);
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#define NAZARA_SHADERAST_NODE(NodeType) void Visit(NodeType& node) override;
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#include <Nazara/Shader/Ast/AstNodeList.hpp>
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void PushExpression(ExpressionPtr expression);
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void PushStatement(StatementPtr statement);
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ExpressionPtr PopExpression();
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StatementPtr PopStatement();
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private:
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std::vector<ExpressionPtr> m_expressionStack;
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std::vector<StatementPtr> m_statementStack;
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};
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inline ExpressionPtr Clone(ExpressionPtr& node);
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inline StatementPtr Clone(StatementPtr& node);
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}
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#include <Nazara/Shader/Ast/AstCloner.inl>
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#endif
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