1 //===--- Mangle.cpp - Mangle C++ Names --------------------------*- 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 // Implements generic name mangling support for blocks and Objective-C. 10 // 11 //===----------------------------------------------------------------------===// 12 #include "clang/AST/Attr.h" 13 #include "clang/AST/ASTContext.h" 14 #include "clang/AST/Decl.h" 15 #include "clang/AST/DeclCXX.h" 16 #include "clang/AST/DeclObjC.h" 17 #include "clang/AST/DeclTemplate.h" 18 #include "clang/AST/ExprCXX.h" 19 #include "clang/AST/Mangle.h" 20 #include "clang/AST/VTableBuilder.h" 21 #include "clang/Basic/ABI.h" 22 #include "clang/Basic/SourceManager.h" 23 #include "clang/Basic/TargetInfo.h" 24 #include "llvm/ADT/StringExtras.h" 25 #include "llvm/IR/DataLayout.h" 26 #include "llvm/IR/Mangler.h" 27 #include "llvm/Support/ErrorHandling.h" 28 #include "llvm/Support/Format.h" 29 #include "llvm/Support/raw_ostream.h" 30 31 using namespace clang; 32 33 // FIXME: For blocks we currently mimic GCC's mangling scheme, which leaves 34 // much to be desired. Come up with a better mangling scheme. 35 36 static void mangleFunctionBlock(MangleContext &Context, 37 StringRef Outer, 38 const BlockDecl *BD, 39 raw_ostream &Out) { 40 unsigned discriminator = Context.getBlockId(BD, true); 41 if (discriminator == 0) 42 Out << "__" << Outer << "_block_invoke"; 43 else 44 Out << "__" << Outer << "_block_invoke_" << discriminator+1; 45 } 46 47 void MangleContext::anchor() { } 48 49 enum CCMangling { 50 CCM_Other, 51 CCM_Fast, 52 CCM_RegCall, 53 CCM_Vector, 54 CCM_Std, 55 CCM_WasmMainArgcArgv 56 }; 57 58 static bool isExternC(const NamedDecl *ND) { 59 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(ND)) 60 return FD->isExternC(); 61 if (const VarDecl *VD = dyn_cast<VarDecl>(ND)) 62 return VD->isExternC(); 63 return false; 64 } 65 66 static CCMangling getCallingConvMangling(const ASTContext &Context, 67 const NamedDecl *ND) { 68 const TargetInfo &TI = Context.getTargetInfo(); 69 const llvm::Triple &Triple = TI.getTriple(); 70 71 // On wasm, the argc/argv form of "main" is renamed so that the startup code 72 // can call it with the correct function signature. 73 // On Emscripten, users may be exporting "main" and expecting to call it 74 // themselves, so we can't mangle it. 75 if (Triple.isWasm() && !Triple.isOSEmscripten()) 76 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(ND)) 77 if (FD->isMain() && FD->hasPrototype() && FD->param_size() == 2) 78 return CCM_WasmMainArgcArgv; 79 80 if (!Triple.isOSWindows() || !Triple.isX86()) 81 return CCM_Other; 82 83 if (Context.getLangOpts().CPlusPlus && !isExternC(ND) && 84 TI.getCXXABI() == TargetCXXABI::Microsoft) 85 return CCM_Other; 86 87 const FunctionDecl *FD = dyn_cast<FunctionDecl>(ND); 88 if (!FD) 89 return CCM_Other; 90 QualType T = FD->getType(); 91 92 const FunctionType *FT = T->castAs<FunctionType>(); 93 94 CallingConv CC = FT->getCallConv(); 95 switch (CC) { 96 default: 97 return CCM_Other; 98 case CC_X86FastCall: 99 return CCM_Fast; 100 case CC_X86StdCall: 101 return CCM_Std; 102 case CC_X86VectorCall: 103 return CCM_Vector; 104 } 105 } 106 107 bool MangleContext::shouldMangleDeclName(const NamedDecl *D) { 108 const ASTContext &ASTContext = getASTContext(); 109 110 CCMangling CC = getCallingConvMangling(ASTContext, D); 111 if (CC != CCM_Other) 112 return true; 113 114 // If the declaration has an owning module for linkage purposes that needs to 115 // be mangled, we must mangle its name. 116 if (!D->hasExternalFormalLinkage() && D->getOwningModuleForLinkage()) 117 return true; 118 119 // C functions with internal linkage have to be mangled with option 120 // -funique-internal-linkage-names. 121 if (!getASTContext().getLangOpts().CPlusPlus && 122 isUniqueInternalLinkageDecl(D)) 123 return true; 124 125 // In C, functions with no attributes never need to be mangled. Fastpath them. 126 if (!getASTContext().getLangOpts().CPlusPlus && !D->hasAttrs()) 127 return false; 128 129 // Any decl can be declared with __asm("foo") on it, and this takes precedence 130 // over all other naming in the .o file. 131 if (D->hasAttr<AsmLabelAttr>()) 132 return true; 133 134 // Declarations that don't have identifier names always need to be mangled. 135 if (isa<MSGuidDecl>(D)) 136 return true; 137 138 return shouldMangleCXXName(D); 139 } 140 141 void MangleContext::mangleName(GlobalDecl GD, raw_ostream &Out) { 142 const ASTContext &ASTContext = getASTContext(); 143 const NamedDecl *D = cast<NamedDecl>(GD.getDecl()); 144 145 // Any decl can be declared with __asm("foo") on it, and this takes precedence 146 // over all other naming in the .o file. 147 if (const AsmLabelAttr *ALA = D->getAttr<AsmLabelAttr>()) { 148 // If we have an asm name, then we use it as the mangling. 149 150 // If the label isn't literal, or if this is an alias for an LLVM intrinsic, 151 // do not add a "\01" prefix. 152 if (!ALA->getIsLiteralLabel() || ALA->getLabel().startswith("llvm.")) { 153 Out << ALA->getLabel(); 154 return; 155 } 156 157 // Adding the prefix can cause problems when one file has a "foo" and 158 // another has a "\01foo". That is known to happen on ELF with the 159 // tricks normally used for producing aliases (PR9177). Fortunately the 160 // llvm mangler on ELF is a nop, so we can just avoid adding the \01 161 // marker. 162 StringRef UserLabelPrefix = 163 getASTContext().getTargetInfo().getUserLabelPrefix(); 164 #ifndef NDEBUG 165 char GlobalPrefix = 166 llvm::DataLayout(getASTContext().getTargetInfo().getDataLayoutString()) 167 .getGlobalPrefix(); 168 assert((UserLabelPrefix.empty() && !GlobalPrefix) || 169 (UserLabelPrefix.size() == 1 && UserLabelPrefix[0] == GlobalPrefix)); 170 #endif 171 if (!UserLabelPrefix.empty()) 172 Out << '\01'; // LLVM IR Marker for __asm("foo") 173 174 Out << ALA->getLabel(); 175 return; 176 } 177 178 if (auto *GD = dyn_cast<MSGuidDecl>(D)) 179 return mangleMSGuidDecl(GD, Out); 180 181 CCMangling CC = getCallingConvMangling(ASTContext, D); 182 183 if (CC == CCM_WasmMainArgcArgv) { 184 Out << "__main_argc_argv"; 185 return; 186 } 187 188 bool MCXX = shouldMangleCXXName(D); 189 const TargetInfo &TI = Context.getTargetInfo(); 190 if (CC == CCM_Other || (MCXX && TI.getCXXABI() == TargetCXXABI::Microsoft)) { 191 if (const ObjCMethodDecl *OMD = dyn_cast<ObjCMethodDecl>(D)) 192 mangleObjCMethodNameAsSourceName(OMD, Out); 193 else 194 mangleCXXName(GD, Out); 195 return; 196 } 197 198 Out << '\01'; 199 if (CC == CCM_Std) 200 Out << '_'; 201 else if (CC == CCM_Fast) 202 Out << '@'; 203 else if (CC == CCM_RegCall) 204 Out << "__regcall3__"; 205 206 if (!MCXX) 207 Out << D->getIdentifier()->getName(); 208 else if (const ObjCMethodDecl *OMD = dyn_cast<ObjCMethodDecl>(D)) 209 mangleObjCMethodNameAsSourceName(OMD, Out); 210 else 211 mangleCXXName(GD, Out); 212 213 const FunctionDecl *FD = cast<FunctionDecl>(D); 214 const FunctionType *FT = FD->getType()->castAs<FunctionType>(); 215 const FunctionProtoType *Proto = dyn_cast<FunctionProtoType>(FT); 216 if (CC == CCM_Vector) 217 Out << '@'; 218 Out << '@'; 219 if (!Proto) { 220 Out << '0'; 221 return; 222 } 223 assert(!Proto->isVariadic()); 224 unsigned ArgWords = 0; 225 if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) 226 if (!MD->isStatic()) 227 ++ArgWords; 228 for (const auto &AT : Proto->param_types()) 229 // Size should be aligned to pointer size. 230 ArgWords += 231 llvm::alignTo(ASTContext.getTypeSize(AT), TI.getPointerWidth(0)) / 232 TI.getPointerWidth(0); 233 Out << ((TI.getPointerWidth(0) / 8) * ArgWords); 234 } 235 236 void MangleContext::mangleMSGuidDecl(const MSGuidDecl *GD, raw_ostream &Out) { 237 // For now, follow the MSVC naming convention for GUID objects on all 238 // targets. 239 MSGuidDecl::Parts P = GD->getParts(); 240 Out << llvm::format("_GUID_%08" PRIx32 "_%04" PRIx32 "_%04" PRIx32 "_", 241 P.Part1, P.Part2, P.Part3); 242 unsigned I = 0; 243 for (uint8_t C : P.Part4And5) { 244 Out << llvm::format("%02" PRIx8, C); 245 if (++I == 2) 246 Out << "_"; 247 } 248 } 249 250 void MangleContext::mangleGlobalBlock(const BlockDecl *BD, 251 const NamedDecl *ID, 252 raw_ostream &Out) { 253 unsigned discriminator = getBlockId(BD, false); 254 if (ID) { 255 if (shouldMangleDeclName(ID)) 256 mangleName(ID, Out); 257 else { 258 Out << ID->getIdentifier()->getName(); 259 } 260 } 261 if (discriminator == 0) 262 Out << "_block_invoke"; 263 else 264 Out << "_block_invoke_" << discriminator+1; 265 } 266 267 void MangleContext::mangleCtorBlock(const CXXConstructorDecl *CD, 268 CXXCtorType CT, const BlockDecl *BD, 269 raw_ostream &ResStream) { 270 SmallString<64> Buffer; 271 llvm::raw_svector_ostream Out(Buffer); 272 mangleName(GlobalDecl(CD, CT), Out); 273 mangleFunctionBlock(*this, Buffer, BD, ResStream); 274 } 275 276 void MangleContext::mangleDtorBlock(const CXXDestructorDecl *DD, 277 CXXDtorType DT, const BlockDecl *BD, 278 raw_ostream &ResStream) { 279 SmallString<64> Buffer; 280 llvm::raw_svector_ostream Out(Buffer); 281 mangleName(GlobalDecl(DD, DT), Out); 282 mangleFunctionBlock(*this, Buffer, BD, ResStream); 283 } 284 285 void MangleContext::mangleBlock(const DeclContext *DC, const BlockDecl *BD, 286 raw_ostream &Out) { 287 assert(!isa<CXXConstructorDecl>(DC) && !isa<CXXDestructorDecl>(DC)); 288 289 SmallString<64> Buffer; 290 llvm::raw_svector_ostream Stream(Buffer); 291 if (const ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(DC)) { 292 mangleObjCMethodNameAsSourceName(Method, Stream); 293 } else { 294 assert((isa<NamedDecl>(DC) || isa<BlockDecl>(DC)) && 295 "expected a NamedDecl or BlockDecl"); 296 if (isa<BlockDecl>(DC)) 297 for (; DC && isa<BlockDecl>(DC); DC = DC->getParent()) 298 (void) getBlockId(cast<BlockDecl>(DC), true); 299 assert((isa<TranslationUnitDecl>(DC) || isa<NamedDecl>(DC)) && 300 "expected a TranslationUnitDecl or a NamedDecl"); 301 if (const auto *CD = dyn_cast<CXXConstructorDecl>(DC)) 302 mangleCtorBlock(CD, /*CT*/ Ctor_Complete, BD, Out); 303 else if (const auto *DD = dyn_cast<CXXDestructorDecl>(DC)) 304 mangleDtorBlock(DD, /*DT*/ Dtor_Complete, BD, Out); 305 else if (auto ND = dyn_cast<NamedDecl>(DC)) { 306 if (!shouldMangleDeclName(ND) && ND->getIdentifier()) 307 Stream << ND->getIdentifier()->getName(); 308 else { 309 // FIXME: We were doing a mangleUnqualifiedName() before, but that's 310 // a private member of a class that will soon itself be private to the 311 // Itanium C++ ABI object. What should we do now? Right now, I'm just 312 // calling the mangleName() method on the MangleContext; is there a 313 // better way? 314 mangleName(ND, Stream); 315 } 316 } 317 } 318 mangleFunctionBlock(*this, Buffer, BD, Out); 319 } 320 321 void MangleContext::mangleObjCMethodName(const ObjCMethodDecl *MD, 322 raw_ostream &OS, 323 bool includePrefixByte, 324 bool includeCategoryNamespace) { 325 if (getASTContext().getLangOpts().ObjCRuntime.isGNUFamily()) { 326 // This is the mangling we've always used on the GNU runtimes, but it 327 // has obvious collisions in the face of underscores within class 328 // names, category names, and selectors; maybe we should improve it. 329 330 OS << (MD->isClassMethod() ? "_c_" : "_i_") 331 << MD->getClassInterface()->getName() << '_'; 332 333 if (includeCategoryNamespace) { 334 if (auto category = MD->getCategory()) 335 OS << category->getName(); 336 } 337 OS << '_'; 338 339 auto selector = MD->getSelector(); 340 for (unsigned slotIndex = 0, 341 numArgs = selector.getNumArgs(), 342 slotEnd = std::max(numArgs, 1U); 343 slotIndex != slotEnd; ++slotIndex) { 344 if (auto name = selector.getIdentifierInfoForSlot(slotIndex)) 345 OS << name->getName(); 346 347 // Replace all the positions that would've been ':' with '_'. 348 // That's after each slot except that a unary selector doesn't 349 // end in ':'. 350 if (numArgs) 351 OS << '_'; 352 } 353 354 return; 355 } 356 357 // \01+[ContainerName(CategoryName) SelectorName] 358 if (includePrefixByte) { 359 OS << '\01'; 360 } 361 OS << (MD->isInstanceMethod() ? '-' : '+') << '['; 362 if (const auto *CID = MD->getCategory()) { 363 OS << CID->getClassInterface()->getName(); 364 if (includeCategoryNamespace) { 365 OS << '(' << *CID << ')'; 366 } 367 } else if (const auto *CD = 368 dyn_cast<ObjCContainerDecl>(MD->getDeclContext())) { 369 OS << CD->getName(); 370 } else { 371 llvm_unreachable("Unexpected ObjC method decl context"); 372 } 373 OS << ' '; 374 MD->getSelector().print(OS); 375 OS << ']'; 376 } 377 378 void MangleContext::mangleObjCMethodNameAsSourceName(const ObjCMethodDecl *MD, 379 raw_ostream &Out) { 380 SmallString<64> Name; 381 llvm::raw_svector_ostream OS(Name); 382 383 mangleObjCMethodName(MD, OS, /*includePrefixByte=*/false, 384 /*includeCategoryNamespace=*/true); 385 Out << OS.str().size() << OS.str(); 386 } 387 388 class ASTNameGenerator::Implementation { 389 std::unique_ptr<MangleContext> MC; 390 llvm::DataLayout DL; 391 392 public: 393 explicit Implementation(ASTContext &Ctx) 394 : MC(Ctx.createMangleContext()), 395 DL(Ctx.getTargetInfo().getDataLayoutString()) {} 396 397 bool writeName(const Decl *D, raw_ostream &OS) { 398 // First apply frontend mangling. 399 SmallString<128> FrontendBuf; 400 llvm::raw_svector_ostream FrontendBufOS(FrontendBuf); 401 if (auto *FD = dyn_cast<FunctionDecl>(D)) { 402 if (FD->isDependentContext()) 403 return true; 404 if (writeFuncOrVarName(FD, FrontendBufOS)) 405 return true; 406 } else if (auto *VD = dyn_cast<VarDecl>(D)) { 407 if (writeFuncOrVarName(VD, FrontendBufOS)) 408 return true; 409 } else if (auto *MD = dyn_cast<ObjCMethodDecl>(D)) { 410 MC->mangleObjCMethodName(MD, OS, /*includePrefixByte=*/false, 411 /*includeCategoryNamespace=*/true); 412 return false; 413 } else if (auto *ID = dyn_cast<ObjCInterfaceDecl>(D)) { 414 writeObjCClassName(ID, FrontendBufOS); 415 } else { 416 return true; 417 } 418 419 // Now apply backend mangling. 420 llvm::Mangler::getNameWithPrefix(OS, FrontendBufOS.str(), DL); 421 return false; 422 } 423 424 std::string getName(const Decl *D) { 425 std::string Name; 426 { 427 llvm::raw_string_ostream OS(Name); 428 writeName(D, OS); 429 } 430 return Name; 431 } 432 433 enum ObjCKind { 434 ObjCClass, 435 ObjCMetaclass, 436 }; 437 438 static StringRef getClassSymbolPrefix(ObjCKind Kind, 439 const ASTContext &Context) { 440 if (Context.getLangOpts().ObjCRuntime.isGNUFamily()) 441 return Kind == ObjCMetaclass ? "_OBJC_METACLASS_" : "_OBJC_CLASS_"; 442 return Kind == ObjCMetaclass ? "OBJC_METACLASS_$_" : "OBJC_CLASS_$_"; 443 } 444 445 std::vector<std::string> getAllManglings(const ObjCContainerDecl *OCD) { 446 StringRef ClassName; 447 if (const auto *OID = dyn_cast<ObjCInterfaceDecl>(OCD)) 448 ClassName = OID->getObjCRuntimeNameAsString(); 449 else if (const auto *OID = dyn_cast<ObjCImplementationDecl>(OCD)) 450 ClassName = OID->getObjCRuntimeNameAsString(); 451 452 if (ClassName.empty()) 453 return {}; 454 455 auto Mangle = [&](ObjCKind Kind, StringRef ClassName) -> std::string { 456 SmallString<40> Mangled; 457 auto Prefix = getClassSymbolPrefix(Kind, OCD->getASTContext()); 458 llvm::Mangler::getNameWithPrefix(Mangled, Prefix + ClassName, DL); 459 return std::string(Mangled.str()); 460 }; 461 462 return { 463 Mangle(ObjCClass, ClassName), 464 Mangle(ObjCMetaclass, ClassName), 465 }; 466 } 467 468 std::vector<std::string> getAllManglings(const Decl *D) { 469 if (const auto *OCD = dyn_cast<ObjCContainerDecl>(D)) 470 return getAllManglings(OCD); 471 472 if (!(isa<CXXRecordDecl>(D) || isa<CXXMethodDecl>(D))) 473 return {}; 474 475 const NamedDecl *ND = cast<NamedDecl>(D); 476 477 ASTContext &Ctx = ND->getASTContext(); 478 std::unique_ptr<MangleContext> M(Ctx.createMangleContext()); 479 480 std::vector<std::string> Manglings; 481 482 auto hasDefaultCXXMethodCC = [](ASTContext &C, const CXXMethodDecl *MD) { 483 auto DefaultCC = C.getDefaultCallingConvention(/*IsVariadic=*/false, 484 /*IsCXXMethod=*/true); 485 auto CC = MD->getType()->castAs<FunctionProtoType>()->getCallConv(); 486 return CC == DefaultCC; 487 }; 488 489 if (const auto *CD = dyn_cast_or_null<CXXConstructorDecl>(ND)) { 490 Manglings.emplace_back(getMangledStructor(CD, Ctor_Base)); 491 492 if (Ctx.getTargetInfo().getCXXABI().isItaniumFamily()) 493 if (!CD->getParent()->isAbstract()) 494 Manglings.emplace_back(getMangledStructor(CD, Ctor_Complete)); 495 496 if (Ctx.getTargetInfo().getCXXABI().isMicrosoft()) 497 if (CD->hasAttr<DLLExportAttr>() && CD->isDefaultConstructor()) 498 if (!(hasDefaultCXXMethodCC(Ctx, CD) && CD->getNumParams() == 0)) 499 Manglings.emplace_back(getMangledStructor(CD, Ctor_DefaultClosure)); 500 } else if (const auto *DD = dyn_cast_or_null<CXXDestructorDecl>(ND)) { 501 Manglings.emplace_back(getMangledStructor(DD, Dtor_Base)); 502 if (Ctx.getTargetInfo().getCXXABI().isItaniumFamily()) { 503 Manglings.emplace_back(getMangledStructor(DD, Dtor_Complete)); 504 if (DD->isVirtual()) 505 Manglings.emplace_back(getMangledStructor(DD, Dtor_Deleting)); 506 } 507 } else if (const auto *MD = dyn_cast_or_null<CXXMethodDecl>(ND)) { 508 Manglings.emplace_back(getName(ND)); 509 if (MD->isVirtual()) 510 if (const auto *TIV = Ctx.getVTableContext()->getThunkInfo(MD)) 511 for (const auto &T : *TIV) 512 Manglings.emplace_back(getMangledThunk(MD, T)); 513 } 514 515 return Manglings; 516 } 517 518 private: 519 bool writeFuncOrVarName(const NamedDecl *D, raw_ostream &OS) { 520 if (MC->shouldMangleDeclName(D)) { 521 GlobalDecl GD; 522 if (const auto *CtorD = dyn_cast<CXXConstructorDecl>(D)) 523 GD = GlobalDecl(CtorD, Ctor_Complete); 524 else if (const auto *DtorD = dyn_cast<CXXDestructorDecl>(D)) 525 GD = GlobalDecl(DtorD, Dtor_Complete); 526 else if (D->hasAttr<CUDAGlobalAttr>()) 527 GD = GlobalDecl(cast<FunctionDecl>(D)); 528 else 529 GD = GlobalDecl(D); 530 MC->mangleName(GD, OS); 531 return false; 532 } else { 533 IdentifierInfo *II = D->getIdentifier(); 534 if (!II) 535 return true; 536 OS << II->getName(); 537 return false; 538 } 539 } 540 541 void writeObjCClassName(const ObjCInterfaceDecl *D, raw_ostream &OS) { 542 OS << getClassSymbolPrefix(ObjCClass, D->getASTContext()); 543 OS << D->getObjCRuntimeNameAsString(); 544 } 545 546 std::string getMangledStructor(const NamedDecl *ND, unsigned StructorType) { 547 std::string FrontendBuf; 548 llvm::raw_string_ostream FOS(FrontendBuf); 549 550 GlobalDecl GD; 551 if (const auto *CD = dyn_cast_or_null<CXXConstructorDecl>(ND)) 552 GD = GlobalDecl(CD, static_cast<CXXCtorType>(StructorType)); 553 else if (const auto *DD = dyn_cast_or_null<CXXDestructorDecl>(ND)) 554 GD = GlobalDecl(DD, static_cast<CXXDtorType>(StructorType)); 555 MC->mangleName(GD, FOS); 556 557 std::string BackendBuf; 558 llvm::raw_string_ostream BOS(BackendBuf); 559 560 llvm::Mangler::getNameWithPrefix(BOS, FOS.str(), DL); 561 562 return BOS.str(); 563 } 564 565 std::string getMangledThunk(const CXXMethodDecl *MD, const ThunkInfo &T) { 566 std::string FrontendBuf; 567 llvm::raw_string_ostream FOS(FrontendBuf); 568 569 MC->mangleThunk(MD, T, FOS); 570 571 std::string BackendBuf; 572 llvm::raw_string_ostream BOS(BackendBuf); 573 574 llvm::Mangler::getNameWithPrefix(BOS, FOS.str(), DL); 575 576 return BOS.str(); 577 } 578 }; 579 580 ASTNameGenerator::ASTNameGenerator(ASTContext &Ctx) 581 : Impl(std::make_unique<Implementation>(Ctx)) {} 582 583 ASTNameGenerator::~ASTNameGenerator() {} 584 585 bool ASTNameGenerator::writeName(const Decl *D, raw_ostream &OS) { 586 return Impl->writeName(D, OS); 587 } 588 589 std::string ASTNameGenerator::getName(const Decl *D) { 590 return Impl->getName(D); 591 } 592 593 std::vector<std::string> ASTNameGenerator::getAllManglings(const Decl *D) { 594 return Impl->getAllManglings(D); 595 } 596