1//=== MangleNumberingContext.h - Context for mangling numbers ---*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file defines the LambdaBlockMangleContext interface, which keeps track
10// of the Itanium C++ ABI mangling numbers for lambda expressions and block
11// literals.
12//
13//===----------------------------------------------------------------------===//
14#ifndef LLVM_CLANG_AST_MANGLENUMBERINGCONTEXT_H
15#define LLVM_CLANG_AST_MANGLENUMBERINGCONTEXT_H
16
17#include "clang/Basic/LLVM.h"
18#include "llvm/ADT/IntrusiveRefCntPtr.h"
19
20namespace clang {
21
22class BlockDecl;
23class CXXMethodDecl;
24class IdentifierInfo;
25class TagDecl;
26class Type;
27class VarDecl;
28
29/// Keeps track of the mangled names of lambda expressions and block
30/// literals within a particular context.
31class MangleNumberingContext {
32public:
33 virtual ~MangleNumberingContext() {}
34
35 /// Retrieve the mangling number of a new lambda expression with the
36 /// given call operator within this context.
37 virtual unsigned getManglingNumber(const CXXMethodDecl *CallOperator) = 0;
38
39 /// Retrieve the mangling number of a new block literal within this
40 /// context.
41 virtual unsigned getManglingNumber(const BlockDecl *BD) = 0;
42
43 /// Static locals are numbered by source order.
44 virtual unsigned getStaticLocalNumber(const VarDecl *VD) = 0;
45
46 /// Retrieve the mangling number of a static local variable within
47 /// this context.
48 virtual unsigned getManglingNumber(const VarDecl *VD,
49 unsigned MSLocalManglingNumber) = 0;
50
51 /// Retrieve the mangling number of a static local variable within
52 /// this context.
53 virtual unsigned getManglingNumber(const TagDecl *TD,
54 unsigned MSLocalManglingNumber) = 0;
55
56 /// Retrieve the mangling number of a new lambda expression with the
57 /// given call operator within the device context. No device number is
58 /// assigned if there's no device numbering context is associated.
59 virtual unsigned getDeviceManglingNumber(const CXXMethodDecl *) { return 0; }
60};
61
62} // end namespace clang
63#endif
64