63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - Shader module"
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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_SHADER_AST_INDEXREMAPPER_HPP
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#define NAZARA_SHADER_AST_INDEXREMAPPER_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/AstCloner.hpp>
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#include <functional>
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namespace Nz::ShaderAst
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{
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class NAZARA_SHADER_API IndexRemapperVisitor : public AstCloner
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{
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public:
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struct Callbacks;
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IndexRemapperVisitor() = default;
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IndexRemapperVisitor(const IndexRemapperVisitor&) = delete;
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IndexRemapperVisitor(IndexRemapperVisitor&&) = delete;
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~IndexRemapperVisitor() = default;
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StatementPtr Clone(Statement& statement, const Callbacks& callbacks);
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IndexRemapperVisitor& operator=(const IndexRemapperVisitor&) = delete;
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IndexRemapperVisitor& operator=(IndexRemapperVisitor&&) = delete;
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struct Callbacks
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{
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std::function<std::size_t(std::size_t previousIndex)> constIndexGenerator;
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std::function<std::size_t(std::size_t previousIndex)> funcIndexGenerator;
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std::function<std::size_t(std::size_t previousIndex) > structIndexGenerator;
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//std::function<std::size_t()> typeIndexGenerator;
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std::function<std::size_t(std::size_t previousIndex)> varIndexGenerator;
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};
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private:
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StatementPtr Clone(DeclareConstStatement& node) override;
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StatementPtr Clone(DeclareExternalStatement& node) override;
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StatementPtr Clone(DeclareFunctionStatement& node) override;
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StatementPtr Clone(DeclareStructStatement& node) override;
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StatementPtr Clone(DeclareVariableStatement& node) override;
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ExpressionPtr Clone(CallFunctionExpression& node) override;
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ExpressionPtr Clone(VariableExpression& node) override;
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void HandleType(ExpressionValue<ExpressionType>& exprType);
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struct Context;
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Context* m_context;
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};
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inline StatementPtr RemapIndices(Statement& statement, const IndexRemapperVisitor::Callbacks& callbacks);
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}
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#include <Nazara/Shader/Ast/IndexRemapperVisitor.inl>
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#endif // NAZARA_SHADER_AST_INDEXREMAPPER_HPP
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