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//=== MangleNumberingContext.h - Context for mangling numbers ---*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// 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_MANGLENUMBERINGCONTEXT_H
#define LLVM_CLANG_MANGLENUMBERINGCONTEXT_H
#include "clang/Basic/LLVM.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/IntrusiveRefCntPtr.h"
namespace clang {
class BlockDecl;
class CXXMethodDecl;
class IdentifierInfo;
class TagDecl;
class Type;
class VarDecl;
/// \brief Keeps track of the mangled names of lambda expressions and block
/// literals within a particular context.
class MangleNumberingContext
: public RefCountedBase<MangleNumberingContext> {
llvm::DenseMap<const Type *, unsigned> ManglingNumbers;
public:
virtual ~MangleNumberingContext() {}
/// \brief Retrieve the mangling number of a new lambda expression with the
/// given call operator within this context.
unsigned getManglingNumber(const CXXMethodDecl *CallOperator);
/// \brief Retrieve the mangling number of a new block literal within this
/// context.
unsigned getManglingNumber(const BlockDecl *BD);
/// Static locals are numbered by source order.
unsigned getStaticLocalNumber(const VarDecl *VD);
/// \brief Retrieve the mangling number of a static local variable within
/// this context.
virtual unsigned getManglingNumber(const VarDecl *VD,
unsigned MSLocalManglingNumber) = 0;
/// \brief Retrieve the mangling number of a static local variable within
/// this context.
virtual unsigned getManglingNumber(const TagDecl *TD,
unsigned MSLocalManglingNumber) = 0;
};
} // end namespace clang
#endif
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