//=== MangleNumberingContext.h - Context for mangling numbers ---*- 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 LambdaBlockMangleContext interface, which keeps track
 
//  of the Itanium C++ ABI mangling numbers for lambda expressions and block
 
//  literals.
 
//
 
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_CLANG_AST_MANGLENUMBERINGCONTEXT_H
 
#define LLVM_CLANG_AST_MANGLENUMBERINGCONTEXT_H
 
 
 
#include "clang/Basic/LLVM.h"
 
#include "llvm/ADT/IntrusiveRefCntPtr.h"
 
 
 
namespace clang {
 
 
 
class BlockDecl;
 
class CXXMethodDecl;
 
class TagDecl;
 
class VarDecl;
 
 
 
/// Keeps track of the mangled names of lambda expressions and block
 
/// literals within a particular context.
 
class MangleNumberingContext {
 
public:
 
  virtual ~MangleNumberingContext() {}
 
 
 
  /// Retrieve the mangling number of a new lambda expression with the
 
  /// given call operator within this context.
 
  virtual unsigned getManglingNumber(const CXXMethodDecl *CallOperator) = 0;
 
 
 
  /// Retrieve the mangling number of a new block literal within this
 
  /// context.
 
  virtual unsigned getManglingNumber(const BlockDecl *BD) = 0;
 
 
 
  /// Static locals are numbered by source order.
 
  virtual unsigned getStaticLocalNumber(const VarDecl *VD) = 0;
 
 
 
  /// Retrieve the mangling number of a static local variable within
 
  /// this context.
 
  virtual unsigned getManglingNumber(const VarDecl *VD,
 
                                     unsigned MSLocalManglingNumber) = 0;
 
 
 
  /// Retrieve the mangling number of a static local variable within
 
  /// this context.
 
  virtual unsigned getManglingNumber(const TagDecl *TD,
 
                                     unsigned MSLocalManglingNumber) = 0;
 
 
 
  /// Retrieve the mangling number of a new lambda expression with the
 
  /// given call operator within the device context. No device number is
 
  /// assigned if there's no device numbering context is associated.
 
  virtual unsigned getDeviceManglingNumber(const CXXMethodDecl *) { return 0; }
 
};
 
 
 
} // end namespace clang
 
#endif