NazaraEngine/include/Nazara/Renderer/ShaderValidator.hpp

55 lines
1.8 KiB
C++

// Copyright (C) 2020 Jérôme Leclercq
// This file is part of the "Nazara Engine - Renderer module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_SHADERVALIDATOR_HPP
#define NAZARA_SHADERVALIDATOR_HPP
#include <Nazara/Prerequisites.hpp>
#include <Nazara/Core/ByteArray.hpp>
#include <Nazara/Core/ByteStream.hpp>
#include <Nazara/Renderer/Config.hpp>
#include <Nazara/Renderer/ShaderVisitor.hpp>
namespace Nz::ShaderAst
{
class NAZARA_RENDERER_API ShaderValidator : public ShaderVisitor
{
public:
ShaderValidator() = default;
ShaderValidator(const ShaderValidator&) = delete;
ShaderValidator(ShaderValidator&&) = delete;
~ShaderValidator() = default;
bool Validate(const StatementPtr& shader, std::string* error = nullptr);
private:
const ExpressionPtr& MandatoryExpr(const ExpressionPtr& node);
const NodePtr& MandatoryNode(const NodePtr& node);
void TypeMustMatch(const ExpressionPtr& left, const ExpressionPtr& right);
using ShaderVisitor::Visit;
void Visit(const AssignOp& node) override;
void Visit(const BinaryFunc& node) override;
void Visit(const BinaryOp& node) override;
void Visit(const Branch& node) override;
void Visit(const BuiltinVariable& node) override;
void Visit(const Cast& node) override;
void Visit(const Constant& node) override;
void Visit(const DeclareVariable& node) override;
void Visit(const ExpressionStatement& node) override;
void Visit(const NamedVariable& node) override;
void Visit(const Sample2D& node) override;
void Visit(const StatementBlock& node) override;
void Visit(const SwizzleOp& node) override;
};
NAZARA_RENDERER_API bool Validate(const StatementPtr& shader, std::string* error = nullptr);
}
#include <Nazara/Renderer/ShaderValidator.inl>
#endif