//===--- LocInfoType.h - Parsed Type with Location Information---*- 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 defines the LocInfoType class, which holds a type and its

// source-location information.

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_AST_LOCINFOTYPE_H

#define LLVM_CLANG_AST_LOCINFOTYPE_H

#include "clang/AST/Type.h"

namespace clang {

class TypeSourceInfo;

/// Holds a QualType and a TypeSourceInfo* that came out of a declarator

/// parsing.

///

/// LocInfoType is a "transient" type, only needed for passing to/from Parser

/// and Sema, when we want to preserve type source info for a parsed type.

/// It will not participate in the type system semantics in any way.

class LocInfoType : public Type {

  enum {

    // The last number that can fit in Type's TC.

    // Avoids conflict with an existing Type class.

    LocInfo = Type::TypeLast + 1

  };

  TypeSourceInfo *DeclInfo;

  LocInfoType(QualType ty, TypeSourceInfo *TInfo)

      : Type((TypeClass)LocInfo, ty, ty->getDependence()), DeclInfo(TInfo) {

    assert(getTypeClass() == (TypeClass)LocInfo && "LocInfo didn't fit in TC?");

  }

  friend class Sema;

public:

  QualType getType() const { return getCanonicalTypeInternal(); }

  TypeSourceInfo *getTypeSourceInfo() const { return DeclInfo; }

  void getAsStringInternal(std::string &Str,

                           const PrintingPolicy &Policy) const;

  static bool classof(const Type *T) {

    return T->getTypeClass() == (TypeClass)LocInfo;

  }

};

} // end namespace clang

#endif // LLVM_CLANG_AST_LOCINFOTYPE_H