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authorvitalyisaev <vitalyisaev@yandex-team.com>2023-06-29 10:00:50 +0300
committervitalyisaev <vitalyisaev@yandex-team.com>2023-06-29 10:00:50 +0300
commit6ffe9e53658409f212834330e13564e4952558f6 (patch)
tree85b1e00183517648b228aafa7c8fb07f5276f419 /contrib/libs/clang16/include/clang/AST/Mangle.h
parent726057070f9c5a91fc10fde0d5024913d10f1ab9 (diff)
downloadydb-6ffe9e53658409f212834330e13564e4952558f6.tar.gz
YQ Connector: support managed ClickHouse
Со стороны dqrun можно обратиться к инстансу коннектора, который работает на streaming стенде, и извлечь данные из облачного CH.
Diffstat (limited to 'contrib/libs/clang16/include/clang/AST/Mangle.h')
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1 files changed, 329 insertions, 0 deletions
diff --git a/contrib/libs/clang16/include/clang/AST/Mangle.h b/contrib/libs/clang16/include/clang/AST/Mangle.h
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+++ b/contrib/libs/clang16/include/clang/AST/Mangle.h
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+#pragma once
+
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#endif
+
+//===--- Mangle.h - Mangle C++ Names ----------------------------*- 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
+//
+//===----------------------------------------------------------------------===//
+//
+// Defines the C++ name mangling interface.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_AST_MANGLE_H
+#define LLVM_CLANG_AST_MANGLE_H
+
+#include "clang/AST/Decl.h"
+#include "clang/AST/GlobalDecl.h"
+#include "clang/AST/Type.h"
+#include "clang/Basic/ABI.h"
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/Support/Casting.h"
+#include <optional>
+
+namespace llvm {
+ class raw_ostream;
+}
+
+namespace clang {
+ class ASTContext;
+ class BlockDecl;
+ class CXXConstructorDecl;
+ class CXXDestructorDecl;
+ class CXXMethodDecl;
+ class FunctionDecl;
+ struct MethodVFTableLocation;
+ class NamedDecl;
+ class ObjCMethodDecl;
+ class StringLiteral;
+ struct ThisAdjustment;
+ struct ThunkInfo;
+ class VarDecl;
+
+/// MangleContext - Context for tracking state which persists across multiple
+/// calls to the C++ name mangler.
+class MangleContext {
+public:
+ enum ManglerKind {
+ MK_Itanium,
+ MK_Microsoft
+ };
+
+private:
+ virtual void anchor();
+
+ ASTContext &Context;
+ DiagnosticsEngine &Diags;
+ const ManglerKind Kind;
+ /// For aux target. If true, uses mangling number for aux target from
+ /// ASTContext.
+ bool IsAux = false;
+
+ llvm::DenseMap<const BlockDecl*, unsigned> GlobalBlockIds;
+ llvm::DenseMap<const BlockDecl*, unsigned> LocalBlockIds;
+ llvm::DenseMap<const NamedDecl*, uint64_t> AnonStructIds;
+ llvm::DenseMap<const FunctionDecl*, unsigned> FuncAnonStructSize;
+
+public:
+ ManglerKind getKind() const { return Kind; }
+
+ bool isAux() const { return IsAux; }
+
+ explicit MangleContext(ASTContext &Context, DiagnosticsEngine &Diags,
+ ManglerKind Kind, bool IsAux = false)
+ : Context(Context), Diags(Diags), Kind(Kind), IsAux(IsAux) {}
+
+ virtual ~MangleContext() { }
+
+ ASTContext &getASTContext() const { return Context; }
+
+ DiagnosticsEngine &getDiags() const { return Diags; }
+
+ virtual void startNewFunction() { LocalBlockIds.clear(); }
+
+ unsigned getBlockId(const BlockDecl *BD, bool Local) {
+ llvm::DenseMap<const BlockDecl *, unsigned> &BlockIds
+ = Local? LocalBlockIds : GlobalBlockIds;
+ std::pair<llvm::DenseMap<const BlockDecl *, unsigned>::iterator, bool>
+ Result = BlockIds.insert(std::make_pair(BD, BlockIds.size()));
+ return Result.first->second;
+ }
+
+ uint64_t getAnonymousStructId(const NamedDecl *D,
+ const FunctionDecl *FD = nullptr) {
+ auto FindResult = AnonStructIds.find(D);
+ if (FindResult != AnonStructIds.end())
+ return FindResult->second;
+
+ // If FunctionDecl is passed in, the anonymous structID will be per-function
+ // based.
+ unsigned Id = FD ? FuncAnonStructSize[FD]++ : AnonStructIds.size();
+ std::pair<llvm::DenseMap<const NamedDecl *, uint64_t>::iterator, bool>
+ Result = AnonStructIds.insert(std::make_pair(D, Id));
+ return Result.first->second;
+ }
+
+ uint64_t getAnonymousStructIdForDebugInfo(const NamedDecl *D) {
+ llvm::DenseMap<const NamedDecl *, uint64_t>::iterator Result =
+ AnonStructIds.find(D);
+ // The decl should already be inserted, but return 0 in case it is not.
+ if (Result == AnonStructIds.end())
+ return 0;
+ return Result->second;
+ }
+
+ virtual std::string getLambdaString(const CXXRecordDecl *Lambda) = 0;
+
+ /// @name Mangler Entry Points
+ /// @{
+
+ bool shouldMangleDeclName(const NamedDecl *D);
+ virtual bool shouldMangleCXXName(const NamedDecl *D) = 0;
+ virtual bool shouldMangleStringLiteral(const StringLiteral *SL) = 0;
+
+ virtual bool isUniqueInternalLinkageDecl(const NamedDecl *ND) {
+ return false;
+ }
+
+ virtual void needsUniqueInternalLinkageNames() { }
+
+ // FIXME: consider replacing raw_ostream & with something like SmallString &.
+ void mangleName(GlobalDecl GD, raw_ostream &);
+ virtual void mangleCXXName(GlobalDecl GD, raw_ostream &) = 0;
+ virtual void mangleThunk(const CXXMethodDecl *MD,
+ const ThunkInfo &Thunk,
+ raw_ostream &) = 0;
+ virtual void mangleCXXDtorThunk(const CXXDestructorDecl *DD, CXXDtorType Type,
+ const ThisAdjustment &ThisAdjustment,
+ raw_ostream &) = 0;
+ virtual void mangleReferenceTemporary(const VarDecl *D,
+ unsigned ManglingNumber,
+ raw_ostream &) = 0;
+ virtual void mangleCXXRTTI(QualType T, raw_ostream &) = 0;
+ virtual void mangleCXXRTTIName(QualType T, raw_ostream &) = 0;
+ virtual void mangleStringLiteral(const StringLiteral *SL, raw_ostream &) = 0;
+ virtual void mangleMSGuidDecl(const MSGuidDecl *GD, raw_ostream&);
+
+ void mangleGlobalBlock(const BlockDecl *BD,
+ const NamedDecl *ID,
+ raw_ostream &Out);
+ void mangleCtorBlock(const CXXConstructorDecl *CD, CXXCtorType CT,
+ const BlockDecl *BD, raw_ostream &Out);
+ void mangleDtorBlock(const CXXDestructorDecl *CD, CXXDtorType DT,
+ const BlockDecl *BD, raw_ostream &Out);
+ void mangleBlock(const DeclContext *DC, const BlockDecl *BD,
+ raw_ostream &Out);
+
+ void mangleObjCMethodName(const ObjCMethodDecl *MD, raw_ostream &OS,
+ bool includePrefixByte = true,
+ bool includeCategoryNamespace = true);
+ void mangleObjCMethodNameAsSourceName(const ObjCMethodDecl *MD,
+ raw_ostream &);
+
+ virtual void mangleStaticGuardVariable(const VarDecl *D, raw_ostream &) = 0;
+
+ virtual void mangleDynamicInitializer(const VarDecl *D, raw_ostream &) = 0;
+
+ virtual void mangleDynamicAtExitDestructor(const VarDecl *D,
+ raw_ostream &) = 0;
+
+ virtual void mangleSEHFilterExpression(GlobalDecl EnclosingDecl,
+ raw_ostream &Out) = 0;
+
+ virtual void mangleSEHFinallyBlock(GlobalDecl EnclosingDecl,
+ raw_ostream &Out) = 0;
+
+ /// Generates a unique string for an externally visible type for use with TBAA
+ /// or type uniquing.
+ /// TODO: Extend this to internal types by generating names that are unique
+ /// across translation units so it can be used with LTO.
+ virtual void mangleTypeName(QualType T, raw_ostream &) = 0;
+
+ /// @}
+};
+
+class ItaniumMangleContext : public MangleContext {
+public:
+ using DiscriminatorOverrideTy =
+ std::optional<unsigned> (*)(ASTContext &, const NamedDecl *);
+ explicit ItaniumMangleContext(ASTContext &C, DiagnosticsEngine &D,
+ bool IsAux = false)
+ : MangleContext(C, D, MK_Itanium, IsAux) {}
+
+ virtual void mangleCXXVTable(const CXXRecordDecl *RD, raw_ostream &) = 0;
+ virtual void mangleCXXVTT(const CXXRecordDecl *RD, raw_ostream &) = 0;
+ virtual void mangleCXXCtorVTable(const CXXRecordDecl *RD, int64_t Offset,
+ const CXXRecordDecl *Type,
+ raw_ostream &) = 0;
+ virtual void mangleItaniumThreadLocalInit(const VarDecl *D,
+ raw_ostream &) = 0;
+ virtual void mangleItaniumThreadLocalWrapper(const VarDecl *D,
+ raw_ostream &) = 0;
+
+ virtual void mangleCXXCtorComdat(const CXXConstructorDecl *D,
+ raw_ostream &) = 0;
+ virtual void mangleCXXDtorComdat(const CXXDestructorDecl *D,
+ raw_ostream &) = 0;
+
+ virtual void mangleLambdaSig(const CXXRecordDecl *Lambda, raw_ostream &) = 0;
+
+ virtual void mangleDynamicStermFinalizer(const VarDecl *D, raw_ostream &) = 0;
+
+ virtual void mangleModuleInitializer(const Module *Module, raw_ostream &) = 0;
+
+ // This has to live here, otherwise the CXXNameMangler won't have access to
+ // it.
+ virtual DiscriminatorOverrideTy getDiscriminatorOverride() const = 0;
+ static bool classof(const MangleContext *C) {
+ return C->getKind() == MK_Itanium;
+ }
+
+ static ItaniumMangleContext *
+ create(ASTContext &Context, DiagnosticsEngine &Diags, bool IsAux = false);
+ static ItaniumMangleContext *create(ASTContext &Context,
+ DiagnosticsEngine &Diags,
+ DiscriminatorOverrideTy Discriminator,
+ bool IsAux = false);
+};
+
+class MicrosoftMangleContext : public MangleContext {
+public:
+ explicit MicrosoftMangleContext(ASTContext &C, DiagnosticsEngine &D,
+ bool IsAux = false)
+ : MangleContext(C, D, MK_Microsoft, IsAux) {}
+
+ /// Mangle vftable symbols. Only a subset of the bases along the path
+ /// to the vftable are included in the name. It's up to the caller to pick
+ /// them correctly.
+ virtual void mangleCXXVFTable(const CXXRecordDecl *Derived,
+ ArrayRef<const CXXRecordDecl *> BasePath,
+ raw_ostream &Out) = 0;
+
+ /// Mangle vbtable symbols. Only a subset of the bases along the path
+ /// to the vbtable are included in the name. It's up to the caller to pick
+ /// them correctly.
+ virtual void mangleCXXVBTable(const CXXRecordDecl *Derived,
+ ArrayRef<const CXXRecordDecl *> BasePath,
+ raw_ostream &Out) = 0;
+
+ virtual void mangleThreadSafeStaticGuardVariable(const VarDecl *VD,
+ unsigned GuardNum,
+ raw_ostream &Out) = 0;
+
+ virtual void mangleVirtualMemPtrThunk(const CXXMethodDecl *MD,
+ const MethodVFTableLocation &ML,
+ raw_ostream &Out) = 0;
+
+ virtual void mangleCXXVirtualDisplacementMap(const CXXRecordDecl *SrcRD,
+ const CXXRecordDecl *DstRD,
+ raw_ostream &Out) = 0;
+
+ virtual void mangleCXXThrowInfo(QualType T, bool IsConst, bool IsVolatile,
+ bool IsUnaligned, uint32_t NumEntries,
+ raw_ostream &Out) = 0;
+
+ virtual void mangleCXXCatchableTypeArray(QualType T, uint32_t NumEntries,
+ raw_ostream &Out) = 0;
+
+ virtual void mangleCXXCatchableType(QualType T, const CXXConstructorDecl *CD,
+ CXXCtorType CT, uint32_t Size,
+ uint32_t NVOffset, int32_t VBPtrOffset,
+ uint32_t VBIndex, raw_ostream &Out) = 0;
+
+ virtual void mangleCXXRTTIBaseClassDescriptor(
+ const CXXRecordDecl *Derived, uint32_t NVOffset, int32_t VBPtrOffset,
+ uint32_t VBTableOffset, uint32_t Flags, raw_ostream &Out) = 0;
+
+ virtual void mangleCXXRTTIBaseClassArray(const CXXRecordDecl *Derived,
+ raw_ostream &Out) = 0;
+ virtual void
+ mangleCXXRTTIClassHierarchyDescriptor(const CXXRecordDecl *Derived,
+ raw_ostream &Out) = 0;
+
+ virtual void
+ mangleCXXRTTICompleteObjectLocator(const CXXRecordDecl *Derived,
+ ArrayRef<const CXXRecordDecl *> BasePath,
+ raw_ostream &Out) = 0;
+
+ static bool classof(const MangleContext *C) {
+ return C->getKind() == MK_Microsoft;
+ }
+
+ static MicrosoftMangleContext *
+ create(ASTContext &Context, DiagnosticsEngine &Diags, bool IsAux = false);
+};
+
+class ASTNameGenerator {
+public:
+ explicit ASTNameGenerator(ASTContext &Ctx);
+ ~ASTNameGenerator();
+
+ /// Writes name for \p D to \p OS.
+ /// \returns true on failure, false on success.
+ bool writeName(const Decl *D, raw_ostream &OS);
+
+ /// \returns name for \p D
+ std::string getName(const Decl *D);
+
+ /// \returns all applicable mangled names.
+ /// For example C++ constructors/destructors can have multiple.
+ std::vector<std::string> getAllManglings(const Decl *D);
+
+private:
+ class Implementation;
+ std::unique_ptr<Implementation> Impl;
+};
+}
+
+#endif
+
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif