74 lines
2.4 KiB
C++
74 lines
2.4 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/ShaderAstExpressionVisitor.hpp>
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#include <Nazara/Shader/ShaderAstStatementVisitor.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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ExpressionPtr CloneExpression(ExpressionPtr& expr);
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StatementPtr CloneStatement(StatementPtr& statement);
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using AstExpressionVisitor::Visit;
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using AstStatementVisitor::Visit;
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void Visit(AccessMemberExpression& node) override;
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void Visit(AssignExpression& node) override;
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void Visit(BinaryExpression& node) override;
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void Visit(CastExpression& node) override;
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void Visit(ConditionalExpression& node) override;
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void Visit(ConstantExpression& node) override;
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void Visit(IdentifierExpression& node) override;
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void Visit(IntrinsicExpression& node) override;
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void Visit(SwizzleExpression& node) override;
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void Visit(BranchStatement& node) override;
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void Visit(ConditionalStatement& node) override;
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void Visit(DeclareFunctionStatement& node) override;
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void Visit(DeclareStructStatement& node) override;
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void Visit(DeclareVariableStatement& node) override;
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void Visit(DiscardStatement& node) override;
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void Visit(ExpressionStatement& node) override;
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void Visit(MultiStatement& node) override;
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void Visit(NoOpStatement& node) override;
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void Visit(ReturnStatement& node) override;
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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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}
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#include <Nazara/Shader/ShaderAstCloner.inl>
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#endif
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