6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
70 lines
2.6 KiB
C++
70 lines
2.6 KiB
C++
//=== MangleNumberingContext.h - Context for mangling numbers ---*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the LambdaBlockMangleContext interface, which keeps track
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// of the Itanium C++ ABI mangling numbers for lambda expressions and block
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// literals.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_AST_MANGLENUMBERINGCONTEXT_H
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#define LLVM_CLANG_AST_MANGLENUMBERINGCONTEXT_H
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#include "clang/Basic/LLVM.h"
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#include "llvm/ADT/IntrusiveRefCntPtr.h"
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namespace clang {
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class BlockDecl;
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class CXXMethodDecl;
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class TagDecl;
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class VarDecl;
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/// Keeps track of the mangled names of lambda expressions and block
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/// literals within a particular context.
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class MangleNumberingContext {
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// The index of the next lambda we encounter in this context.
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unsigned LambdaIndex = 0;
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public:
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virtual ~MangleNumberingContext() {}
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/// Retrieve the mangling number of a new lambda expression with the
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/// given call operator within this context.
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virtual unsigned getManglingNumber(const CXXMethodDecl *CallOperator) = 0;
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/// Retrieve the mangling number of a new block literal within this
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/// context.
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virtual unsigned getManglingNumber(const BlockDecl *BD) = 0;
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/// Static locals are numbered by source order.
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virtual unsigned getStaticLocalNumber(const VarDecl *VD) = 0;
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/// Retrieve the mangling number of a static local variable within
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/// this context.
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virtual unsigned getManglingNumber(const VarDecl *VD,
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unsigned MSLocalManglingNumber) = 0;
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/// Retrieve the mangling number of a static local variable within
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/// this context.
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virtual unsigned getManglingNumber(const TagDecl *TD,
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unsigned MSLocalManglingNumber) = 0;
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/// Retrieve the mangling number of a new lambda expression with the
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/// given call operator within the device context. No device number is
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/// assigned if there's no device numbering context is associated.
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virtual unsigned getDeviceManglingNumber(const CXXMethodDecl *) { return 0; }
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// Retrieve the index of the next lambda appearing in this context, which is
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// used for deduplicating lambdas across modules. Note that this is a simple
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// sequence number and is not ABI-dependent.
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unsigned getNextLambdaIndex() { return LambdaIndex++; }
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};
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} // end namespace clang
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#endif
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