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Rework shader AST (WIP)

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This commit is contained in:
Jérôme Leclercq
2021-03-10 11:18:13 +01:00
parent b320b5b44e
commit fed7370e77
73 changed files with 2721 additions and 4312 deletions
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78
include/Nazara/Shader/ShaderAstValidator.hpp
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@@ -8,66 +8,62 @@
#define NAZARA_SHADERVALIDATOR_HPP
#include <Nazara/Prerequisites.hpp>
#include <Nazara/Core/ByteArray.hpp>
#include <Nazara/Core/ByteStream.hpp>
#include <Nazara/Shader/Config.hpp>
#include <Nazara/Shader/ShaderAst.hpp>
#include <Nazara/Shader/ShaderAstCache.hpp>
#include <Nazara/Shader/ShaderAstRecursiveVisitor.hpp>
#include <Nazara/Shader/ShaderVarVisitor.hpp>
#include <Nazara/Utility/Enums.hpp>
namespace Nz
namespace Nz::ShaderAst
{
class NAZARA_SHADER_API ShaderAstValidator : public ShaderAstRecursiveVisitor, public ShaderVarVisitor
class NAZARA_SHADER_API AstValidator : public AstRecursiveVisitor
{
public:
inline ShaderAstValidator(const ShaderAst& shader);
ShaderAstValidator(const ShaderAstValidator&) = delete;
ShaderAstValidator(ShaderAstValidator&&) = delete;
~ShaderAstValidator() = default;
inline AstValidator();
AstValidator(const AstValidator&) = delete;
AstValidator(AstValidator&&) = delete;
~AstValidator() = default;
bool Validate(std::string* error = nullptr);
bool Validate(StatementPtr& node, std::string* error = nullptr, AstCache* cache = nullptr);
private:
const ShaderNodes::ExpressionPtr& MandatoryExpr(const ShaderNodes::ExpressionPtr& node);
const ShaderNodes::NodePtr& MandatoryNode(const ShaderNodes::NodePtr& node);
void TypeMustMatch(const ShaderNodes::ExpressionPtr& left, const ShaderNodes::ExpressionPtr& right);
Expression& MandatoryExpr(ExpressionPtr& node);
Statement& MandatoryStatement(StatementPtr& node);
void TypeMustMatch(ExpressionPtr& left, ExpressionPtr& right);
void TypeMustMatch(const ShaderExpressionType& left, const ShaderExpressionType& right);
const ShaderAst::StructMember& CheckField(const std::string& structName, std::size_t* memberIndex, std::size_t remainingMembers);
ShaderExpressionType CheckField(const std::string& structName, const std::string* memberIdentifier, std::size_t remainingMembers);
using ShaderAstRecursiveVisitor::Visit;
void Visit(ShaderNodes::AccessMember& node) override;
void Visit(ShaderNodes::AssignOp& node) override;
void Visit(ShaderNodes::BinaryOp& node) override;
void Visit(ShaderNodes::Branch& node) override;
void Visit(ShaderNodes::Cast& node) override;
void Visit(ShaderNodes::ConditionalExpression& node) override;
void Visit(ShaderNodes::ConditionalStatement& node) override;
void Visit(ShaderNodes::Constant& node) override;
void Visit(ShaderNodes::DeclareVariable& node) override;
void Visit(ShaderNodes::ExpressionStatement& node) override;
void Visit(ShaderNodes::Identifier& node) override;
void Visit(ShaderNodes::IntrinsicCall& node) override;
void Visit(ShaderNodes::ReturnStatement& node) override;
void Visit(ShaderNodes::Sample2D& node) override;
void Visit(ShaderNodes::StatementBlock& node) override;
void Visit(ShaderNodes::SwizzleOp& node) override;
AstCache::Scope& EnterScope();
void ExitScope();
using ShaderVarVisitor::Visit;
void Visit(ShaderNodes::BuiltinVariable& var) override;
void Visit(ShaderNodes::InputVariable& var) override;
void Visit(ShaderNodes::LocalVariable& var) override;
void Visit(ShaderNodes::OutputVariable& var) override;
void Visit(ShaderNodes::ParameterVariable& var) override;
void Visit(ShaderNodes::UniformVariable& var) override;
void RegisterExpressionType(Expression& node, ShaderExpressionType expressionType);
void RegisterScope(Node& node);
void Visit(AccessMemberExpression& node) override;
void Visit(AssignExpression& node) override;
void Visit(BinaryExpression& node) override;
void Visit(CastExpression& node) override;
void Visit(ConditionalExpression& node) override;
void Visit(ConstantExpression& node) override;
void Visit(IdentifierExpression& node) override;
void Visit(IntrinsicExpression& node) override;
void Visit(SwizzleExpression& node) override;
void Visit(BranchStatement& node) override;
void Visit(ConditionalStatement& node) override;
void Visit(DeclareFunctionStatement& node) override;
void Visit(DeclareStructStatement& node) override;
void Visit(DeclareVariableStatement& node) override;
void Visit(ExpressionStatement& node) override;
void Visit(MultiStatement& node) override;
void Visit(ReturnStatement& node) override;
struct Context;
const ShaderAst& m_shader;
Context* m_context;
};
NAZARA_SHADER_API bool ValidateShader(const ShaderAst& shader, std::string* error = nullptr);
NAZARA_SHADER_API bool ValidateAst(StatementPtr& node, std::string* error = nullptr, AstCache* cache = nullptr);
}
#include <Nazara/Shader/ShaderAstValidator.inl>