clang 19.0.0git
MangleNumberingContext.h
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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 TagDecl;
25class VarDecl;
26
27/// Keeps track of the mangled names of lambda expressions and block
28/// literals within a particular context.
30 // The index of the next lambda we encounter in this context.
31 unsigned LambdaIndex = 0;
32
33public:
35
36 /// Retrieve the mangling number of a new lambda expression with the
37 /// given call operator within this context.
38 virtual unsigned getManglingNumber(const CXXMethodDecl *CallOperator) = 0;
39
40 /// Retrieve the mangling number of a new block literal within this
41 /// context.
42 virtual unsigned getManglingNumber(const BlockDecl *BD) = 0;
43
44 /// Static locals are numbered by source order.
45 virtual unsigned getStaticLocalNumber(const VarDecl *VD) = 0;
46
47 /// Retrieve the mangling number of a static local variable within
48 /// this context.
49 virtual unsigned getManglingNumber(const VarDecl *VD,
50 unsigned MSLocalManglingNumber) = 0;
51
52 /// Retrieve the mangling number of a static local variable within
53 /// this context.
54 virtual unsigned getManglingNumber(const TagDecl *TD,
55 unsigned MSLocalManglingNumber) = 0;
56
57 /// Retrieve the mangling number of a new lambda expression with the
58 /// given call operator within the device context. No device number is
59 /// assigned if there's no device numbering context is associated.
60 virtual unsigned getDeviceManglingNumber(const CXXMethodDecl *) { return 0; }
61
62 // Retrieve the index of the next lambda appearing in this context, which is
63 // used for deduplicating lambdas across modules. Note that this is a simple
64 // sequence number and is not ABI-dependent.
65 unsigned getNextLambdaIndex() { return LambdaIndex++; }
66};
67
68} // end namespace clang
69#endif
Forward-declares and imports various common LLVM datatypes that clang wants to use unqualified.
Represents a block literal declaration, which is like an unnamed FunctionDecl.
Definition: Decl.h:4495
Represents a static or instance method of a struct/union/class.
Definition: DeclCXX.h:2057
Keeps track of the mangled names of lambda expressions and block literals within a particular context...
virtual unsigned getManglingNumber(const CXXMethodDecl *CallOperator)=0
Retrieve the mangling number of a new lambda expression with the given call operator within this cont...
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 static local variable within this context.
virtual unsigned getManglingNumber(const BlockDecl *BD)=0
Retrieve the mangling number of a new block literal within this context.
virtual unsigned getStaticLocalNumber(const VarDecl *VD)=0
Static locals are numbered by source order.
virtual unsigned getDeviceManglingNumber(const CXXMethodDecl *)
Retrieve the mangling number of a new lambda expression with the given call operator within the devic...
Represents the declaration of a struct/union/class/enum.
Definition: Decl.h:3585
Represents a variable declaration or definition.
Definition: Decl.h:918
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