Type.h

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//===- Type.h - Type class --------------------------------------*- C++ -*-===//
//
// Part of the MLIR 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
//
//===----------------------------------------------------------------------===//
//
// Type wrapper to simplify using TableGen Record defining a MLIR Type.
//
//===----------------------------------------------------------------------===//

#ifndef MLIR_TABLEGEN_TYPE_H_
#define MLIR_TABLEGEN_TYPE_H_

#include "mlir/Support/LLVM.h"
#include "mlir/TableGen/Constraint.h"
#include "mlir/TableGen/Dialect.h"

namespace llvm {
class DefInit;
class Record;
} // end namespace llvm

namespace mlir {
namespace tblgen {

// Wrapper class with helper methods for accessing Type constraints defined in
// TableGen.
class TypeConstraint : public Constraint {
public:
  explicit TypeConstraint(const llvm::Record *record);
  explicit TypeConstraint(const llvm::DefInit *init);

  static bool classof(const Constraint *c) { return c->getKind() == CK_Type; }

  // Returns true if this is a variadic type constraint.
  bool isVariadic() const;
};

// Wrapper class with helper methods for accessing Types defined in TableGen.
class Type : public TypeConstraint {
public:
  explicit Type(const llvm::Record *record);

  // Returns the description of the type.
  StringRef getTypeDescription() const;

  // Returns the dialect for the type if defined.
  Dialect getDialect() const;
};

} // end namespace tblgen
} // end namespace mlir

#endif // MLIR_TABLEGEN_TYPE_H_