llvm/mlir/include/mlir/Tools/PDLL/ODS/Constraint.h

//===- Constraint.h - MLIR PDLL ODS Constraints -----------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file contains a PDLL description of ODS constraints. These are used to
// support the import of constraints defined outside of PDLL.
//
//===----------------------------------------------------------------------===//

#ifndef MLIR_TOOLS_PDLL_ODS_CONSTRAINT_H_
#define MLIR_TOOLS_PDLL_ODS_CONSTRAINT_H_

#include <string>

#include "mlir/Support/LLVM.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringMap.h"

namespace mlir {
namespace pdll {
namespace ods {

//===----------------------------------------------------------------------===//
// Constraint
//===----------------------------------------------------------------------===//

/// This class represents a generic ODS constraint.
class Constraint { … };

//===----------------------------------------------------------------------===//
// AttributeConstraint
//===----------------------------------------------------------------------===//

/// This class represents a generic ODS Attribute constraint.
class AttributeConstraint : public Constraint { … };

//===----------------------------------------------------------------------===//
// TypeConstraint
//===----------------------------------------------------------------------===//

/// This class represents a generic ODS Type constraint.
class TypeConstraint : public Constraint { … };

} // namespace ods
} // namespace pdll
} // namespace mlir

#endif // MLIR_TOOLS_PDLL_ODS_CONSTRAINT_H_