clang  16.0.0git
Mangle.cpp
Go to the documentation of this file.
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"
21 #include "clang/Basic/ABI.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 {
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 
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  if (Triple.isWasm())
74  if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(ND))
75  if (FD->isMain() && FD->getNumParams() == 2)
76  return CCM_WasmMainArgcArgv;
77 
78  if (!Triple.isOSWindows() || !Triple.isX86())
79  return CCM_Other;
80 
81  if (Context.getLangOpts().CPlusPlus && !isExternC(ND) &&
82  TI.getCXXABI() == TargetCXXABI::Microsoft)
83  return CCM_Other;
84 
85  const FunctionDecl *FD = dyn_cast<FunctionDecl>(ND);
86  if (!FD)
87  return CCM_Other;
88  QualType T = FD->getType();
89 
90  const FunctionType *FT = T->castAs<FunctionType>();
91 
92  CallingConv CC = FT->getCallConv();
93  switch (CC) {
94  default:
95  return CCM_Other;
96  case CC_X86FastCall:
97  return CCM_Fast;
98  case CC_X86StdCall:
99  return CCM_Std;
100  case CC_X86VectorCall:
101  return CCM_Vector;
102  }
103 }
104 
107 
109  if (CC != CCM_Other)
110  return true;
111 
112  // If the declaration has an owning module for linkage purposes that needs to
113  // be mangled, we must mangle its name.
115  return true;
116 
117  // C functions with internal linkage have to be mangled with option
118  // -funique-internal-linkage-names.
119  if (!getASTContext().getLangOpts().CPlusPlus &&
121  return true;
122 
123  // In C, functions with no attributes never need to be mangled. Fastpath them.
124  if (!getASTContext().getLangOpts().CPlusPlus && !D->hasAttrs())
125  return false;
126 
127  // Any decl can be declared with __asm("foo") on it, and this takes precedence
128  // over all other naming in the .o file.
129  if (D->hasAttr<AsmLabelAttr>())
130  return true;
131 
132  // Declarations that don't have identifier names always need to be mangled.
133  if (isa<MSGuidDecl>(D))
134  return true;
135 
136  return shouldMangleCXXName(D);
137 }
138 
139 void MangleContext::mangleName(GlobalDecl GD, raw_ostream &Out) {
141  const NamedDecl *D = cast<NamedDecl>(GD.getDecl());
142 
143  // Any decl can be declared with __asm("foo") on it, and this takes precedence
144  // over all other naming in the .o file.
145  if (const AsmLabelAttr *ALA = D->getAttr<AsmLabelAttr>()) {
146  // If we have an asm name, then we use it as the mangling.
147 
148  // If the label isn't literal, or if this is an alias for an LLVM intrinsic,
149  // do not add a "\01" prefix.
150  if (!ALA->getIsLiteralLabel() || ALA->getLabel().startswith("llvm.")) {
151  Out << ALA->getLabel();
152  return;
153  }
154 
155  // Adding the prefix can cause problems when one file has a "foo" and
156  // another has a "\01foo". That is known to happen on ELF with the
157  // tricks normally used for producing aliases (PR9177). Fortunately the
158  // llvm mangler on ELF is a nop, so we can just avoid adding the \01
159  // marker.
160  StringRef UserLabelPrefix =
162 #ifndef NDEBUG
163  char GlobalPrefix =
164  llvm::DataLayout(getASTContext().getTargetInfo().getDataLayoutString())
165  .getGlobalPrefix();
166  assert((UserLabelPrefix.empty() && !GlobalPrefix) ||
167  (UserLabelPrefix.size() == 1 && UserLabelPrefix[0] == GlobalPrefix));
168 #endif
169  if (!UserLabelPrefix.empty())
170  Out << '\01'; // LLVM IR Marker for __asm("foo")
171 
172  Out << ALA->getLabel();
173  return;
174  }
175 
176  if (auto *GD = dyn_cast<MSGuidDecl>(D))
177  return mangleMSGuidDecl(GD, Out);
178 
180 
181  if (CC == CCM_WasmMainArgcArgv) {
182  Out << "__main_argc_argv";
183  return;
184  }
185 
186  bool MCXX = shouldMangleCXXName(D);
187  const TargetInfo &TI = Context.getTargetInfo();
188  if (CC == CCM_Other || (MCXX && TI.getCXXABI() == TargetCXXABI::Microsoft)) {
189  if (const ObjCMethodDecl *OMD = dyn_cast<ObjCMethodDecl>(D))
191  else
192  mangleCXXName(GD, Out);
193  return;
194  }
195 
196  Out << '\01';
197  if (CC == CCM_Std)
198  Out << '_';
199  else if (CC == CCM_Fast)
200  Out << '@';
201  else if (CC == CCM_RegCall)
202  Out << "__regcall3__";
203 
204  if (!MCXX)
205  Out << D->getIdentifier()->getName();
206  else if (const ObjCMethodDecl *OMD = dyn_cast<ObjCMethodDecl>(D))
208  else
209  mangleCXXName(GD, Out);
210 
211  const FunctionDecl *FD = cast<FunctionDecl>(D);
212  const FunctionType *FT = FD->getType()->castAs<FunctionType>();
213  const FunctionProtoType *Proto = dyn_cast<FunctionProtoType>(FT);
214  if (CC == CCM_Vector)
215  Out << '@';
216  Out << '@';
217  if (!Proto) {
218  Out << '0';
219  return;
220  }
221  assert(!Proto->isVariadic());
222  unsigned ArgWords = 0;
223  if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD))
224  if (!MD->isStatic())
225  ++ArgWords;
226  uint64_t DefaultPtrWidth = TI.getPointerWidth(LangAS::Default);
227  for (const auto &AT : Proto->param_types()) {
228  // If an argument type is incomplete there is no way to get its size to
229  // correctly encode into the mangling scheme.
230  // Follow GCCs behaviour by simply breaking out of the loop.
231  if (AT->isIncompleteType())
232  break;
233  // Size should be aligned to pointer size.
234  ArgWords += llvm::alignTo(ASTContext.getTypeSize(AT), DefaultPtrWidth) /
235  DefaultPtrWidth;
236  }
237  Out << ((DefaultPtrWidth / 8) * ArgWords);
238 }
239 
240 void MangleContext::mangleMSGuidDecl(const MSGuidDecl *GD, raw_ostream &Out) {
241  // For now, follow the MSVC naming convention for GUID objects on all
242  // targets.
243  MSGuidDecl::Parts P = GD->getParts();
244  Out << llvm::format("_GUID_%08" PRIx32 "_%04" PRIx32 "_%04" PRIx32 "_",
245  P.Part1, P.Part2, P.Part3);
246  unsigned I = 0;
247  for (uint8_t C : P.Part4And5) {
248  Out << llvm::format("%02" PRIx8, C);
249  if (++I == 2)
250  Out << "_";
251  }
252 }
253 
255  const NamedDecl *ID,
256  raw_ostream &Out) {
257  unsigned discriminator = getBlockId(BD, false);
258  if (ID) {
260  mangleName(ID, Out);
261  else {
262  Out << ID->getIdentifier()->getName();
263  }
264  }
265  if (discriminator == 0)
266  Out << "_block_invoke";
267  else
268  Out << "_block_invoke_" << discriminator+1;
269 }
270 
272  CXXCtorType CT, const BlockDecl *BD,
273  raw_ostream &ResStream) {
274  SmallString<64> Buffer;
275  llvm::raw_svector_ostream Out(Buffer);
276  mangleName(GlobalDecl(CD, CT), Out);
277  mangleFunctionBlock(*this, Buffer, BD, ResStream);
278 }
279 
281  CXXDtorType DT, const BlockDecl *BD,
282  raw_ostream &ResStream) {
283  SmallString<64> Buffer;
284  llvm::raw_svector_ostream Out(Buffer);
285  mangleName(GlobalDecl(DD, DT), Out);
286  mangleFunctionBlock(*this, Buffer, BD, ResStream);
287 }
288 
290  raw_ostream &Out) {
291  assert(!isa<CXXConstructorDecl>(DC) && !isa<CXXDestructorDecl>(DC));
292 
293  SmallString<64> Buffer;
294  llvm::raw_svector_ostream Stream(Buffer);
295  if (const ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(DC)) {
296  mangleObjCMethodNameAsSourceName(Method, Stream);
297  } else {
298  assert((isa<NamedDecl>(DC) || isa<BlockDecl>(DC)) &&
299  "expected a NamedDecl or BlockDecl");
300  if (isa<BlockDecl>(DC))
301  for (; DC && isa<BlockDecl>(DC); DC = DC->getParent())
302  (void) getBlockId(cast<BlockDecl>(DC), true);
303  assert((isa<TranslationUnitDecl>(DC) || isa<NamedDecl>(DC)) &&
304  "expected a TranslationUnitDecl or a NamedDecl");
305  if (const auto *CD = dyn_cast<CXXConstructorDecl>(DC))
306  mangleCtorBlock(CD, /*CT*/ Ctor_Complete, BD, Out);
307  else if (const auto *DD = dyn_cast<CXXDestructorDecl>(DC))
308  mangleDtorBlock(DD, /*DT*/ Dtor_Complete, BD, Out);
309  else if (auto ND = dyn_cast<NamedDecl>(DC)) {
310  if (!shouldMangleDeclName(ND) && ND->getIdentifier())
311  Stream << ND->getIdentifier()->getName();
312  else {
313  // FIXME: We were doing a mangleUnqualifiedName() before, but that's
314  // a private member of a class that will soon itself be private to the
315  // Itanium C++ ABI object. What should we do now? Right now, I'm just
316  // calling the mangleName() method on the MangleContext; is there a
317  // better way?
318  mangleName(ND, Stream);
319  }
320  }
321  }
322  mangleFunctionBlock(*this, Buffer, BD, Out);
323 }
324 
326  raw_ostream &OS,
327  bool includePrefixByte,
328  bool includeCategoryNamespace) {
329  if (getASTContext().getLangOpts().ObjCRuntime.isGNUFamily()) {
330  // This is the mangling we've always used on the GNU runtimes, but it
331  // has obvious collisions in the face of underscores within class
332  // names, category names, and selectors; maybe we should improve it.
333 
334  OS << (MD->isClassMethod() ? "_c_" : "_i_")
335  << MD->getClassInterface()->getName() << '_';
336 
337  if (includeCategoryNamespace) {
338  if (auto category = MD->getCategory())
339  OS << category->getName();
340  }
341  OS << '_';
342 
343  auto selector = MD->getSelector();
344  for (unsigned slotIndex = 0,
345  numArgs = selector.getNumArgs(),
346  slotEnd = std::max(numArgs, 1U);
347  slotIndex != slotEnd; ++slotIndex) {
348  if (auto name = selector.getIdentifierInfoForSlot(slotIndex))
349  OS << name->getName();
350 
351  // Replace all the positions that would've been ':' with '_'.
352  // That's after each slot except that a unary selector doesn't
353  // end in ':'.
354  if (numArgs)
355  OS << '_';
356  }
357 
358  return;
359  }
360 
361  // \01+[ContainerName(CategoryName) SelectorName]
362  if (includePrefixByte) {
363  OS << '\01';
364  }
365  OS << (MD->isInstanceMethod() ? '-' : '+') << '[';
366  if (const auto *CID = MD->getCategory()) {
367  OS << CID->getClassInterface()->getName();
368  if (includeCategoryNamespace) {
369  OS << '(' << *CID << ')';
370  }
371  } else if (const auto *CD =
372  dyn_cast<ObjCContainerDecl>(MD->getDeclContext())) {
373  OS << CD->getName();
374  } else {
375  llvm_unreachable("Unexpected ObjC method decl context");
376  }
377  OS << ' ';
378  MD->getSelector().print(OS);
379  OS << ']';
380 }
381 
383  raw_ostream &Out) {
384  SmallString<64> Name;
385  llvm::raw_svector_ostream OS(Name);
386 
387  mangleObjCMethodName(MD, OS, /*includePrefixByte=*/false,
388  /*includeCategoryNamespace=*/true);
389  Out << OS.str().size() << OS.str();
390 }
391 
393  std::unique_ptr<MangleContext> MC;
394  llvm::DataLayout DL;
395 
396 public:
397  explicit Implementation(ASTContext &Ctx)
398  : MC(Ctx.createMangleContext()),
399  DL(Ctx.getTargetInfo().getDataLayoutString()) {}
400 
401  bool writeName(const Decl *D, raw_ostream &OS) {
402  // First apply frontend mangling.
403  SmallString<128> FrontendBuf;
404  llvm::raw_svector_ostream FrontendBufOS(FrontendBuf);
405  if (auto *FD = dyn_cast<FunctionDecl>(D)) {
406  if (FD->isDependentContext())
407  return true;
408  if (writeFuncOrVarName(FD, FrontendBufOS))
409  return true;
410  } else if (auto *VD = dyn_cast<VarDecl>(D)) {
411  if (writeFuncOrVarName(VD, FrontendBufOS))
412  return true;
413  } else if (auto *MD = dyn_cast<ObjCMethodDecl>(D)) {
414  MC->mangleObjCMethodName(MD, OS, /*includePrefixByte=*/false,
415  /*includeCategoryNamespace=*/true);
416  return false;
417  } else if (auto *ID = dyn_cast<ObjCInterfaceDecl>(D)) {
418  writeObjCClassName(ID, FrontendBufOS);
419  } else {
420  return true;
421  }
422 
423  // Now apply backend mangling.
424  llvm::Mangler::getNameWithPrefix(OS, FrontendBufOS.str(), DL);
425  return false;
426  }
427 
429  std::string Name;
430  {
431  llvm::raw_string_ostream OS(Name);
432  writeName(D, OS);
433  }
434  return Name;
435  }
436 
437  enum ObjCKind {
440  };
441 
443  const ASTContext &Context) {
444  if (Context.getLangOpts().ObjCRuntime.isGNUFamily())
445  return Kind == ObjCMetaclass ? "_OBJC_METACLASS_" : "_OBJC_CLASS_";
446  return Kind == ObjCMetaclass ? "OBJC_METACLASS_$_" : "OBJC_CLASS_$_";
447  }
448 
449  std::vector<std::string> getAllManglings(const ObjCContainerDecl *OCD) {
450  StringRef ClassName;
451  if (const auto *OID = dyn_cast<ObjCInterfaceDecl>(OCD))
452  ClassName = OID->getObjCRuntimeNameAsString();
453  else if (const auto *OID = dyn_cast<ObjCImplementationDecl>(OCD))
454  ClassName = OID->getObjCRuntimeNameAsString();
455 
456  if (ClassName.empty())
457  return {};
458 
459  auto Mangle = [&](ObjCKind Kind, StringRef ClassName) -> std::string {
460  SmallString<40> Mangled;
461  auto Prefix = getClassSymbolPrefix(Kind, OCD->getASTContext());
462  llvm::Mangler::getNameWithPrefix(Mangled, Prefix + ClassName, DL);
463  return std::string(Mangled.str());
464  };
465 
466  return {
467  Mangle(ObjCClass, ClassName),
468  Mangle(ObjCMetaclass, ClassName),
469  };
470  }
471 
472  std::vector<std::string> getAllManglings(const Decl *D) {
473  if (const auto *OCD = dyn_cast<ObjCContainerDecl>(D))
474  return getAllManglings(OCD);
475 
476  if (!(isa<CXXRecordDecl>(D) || isa<CXXMethodDecl>(D)))
477  return {};
478 
479  const NamedDecl *ND = cast<NamedDecl>(D);
480 
481  ASTContext &Ctx = ND->getASTContext();
482  std::unique_ptr<MangleContext> M(Ctx.createMangleContext());
483 
484  std::vector<std::string> Manglings;
485 
486  auto hasDefaultCXXMethodCC = [](ASTContext &C, const CXXMethodDecl *MD) {
487  auto DefaultCC = C.getDefaultCallingConvention(/*IsVariadic=*/false,
488  /*IsCXXMethod=*/true);
489  auto CC = MD->getType()->castAs<FunctionProtoType>()->getCallConv();
490  return CC == DefaultCC;
491  };
492 
493  if (const auto *CD = dyn_cast_or_null<CXXConstructorDecl>(ND)) {
494  Manglings.emplace_back(getMangledStructor(CD, Ctor_Base));
495 
497  if (!CD->getParent()->isAbstract())
498  Manglings.emplace_back(getMangledStructor(CD, Ctor_Complete));
499 
500  if (Ctx.getTargetInfo().getCXXABI().isMicrosoft())
501  if (CD->hasAttr<DLLExportAttr>() && CD->isDefaultConstructor())
502  if (!(hasDefaultCXXMethodCC(Ctx, CD) && CD->getNumParams() == 0))
503  Manglings.emplace_back(getMangledStructor(CD, Ctor_DefaultClosure));
504  } else if (const auto *DD = dyn_cast_or_null<CXXDestructorDecl>(ND)) {
505  Manglings.emplace_back(getMangledStructor(DD, Dtor_Base));
506  if (Ctx.getTargetInfo().getCXXABI().isItaniumFamily()) {
507  Manglings.emplace_back(getMangledStructor(DD, Dtor_Complete));
508  if (DD->isVirtual())
509  Manglings.emplace_back(getMangledStructor(DD, Dtor_Deleting));
510  }
511  } else if (const auto *MD = dyn_cast_or_null<CXXMethodDecl>(ND)) {
512  Manglings.emplace_back(getName(ND));
513  if (MD->isVirtual())
514  if (const auto *TIV = Ctx.getVTableContext()->getThunkInfo(MD))
515  for (const auto &T : *TIV)
516  Manglings.emplace_back(getMangledThunk(MD, T));
517  }
518 
519  return Manglings;
520  }
521 
522 private:
523  bool writeFuncOrVarName(const NamedDecl *D, raw_ostream &OS) {
524  if (MC->shouldMangleDeclName(D)) {
525  GlobalDecl GD;
526  if (const auto *CtorD = dyn_cast<CXXConstructorDecl>(D))
527  GD = GlobalDecl(CtorD, Ctor_Complete);
528  else if (const auto *DtorD = dyn_cast<CXXDestructorDecl>(D))
529  GD = GlobalDecl(DtorD, Dtor_Complete);
530  else if (D->hasAttr<CUDAGlobalAttr>())
531  GD = GlobalDecl(cast<FunctionDecl>(D));
532  else
533  GD = GlobalDecl(D);
534  MC->mangleName(GD, OS);
535  return false;
536  } else {
537  IdentifierInfo *II = D->getIdentifier();
538  if (!II)
539  return true;
540  OS << II->getName();
541  return false;
542  }
543  }
544 
545  void writeObjCClassName(const ObjCInterfaceDecl *D, raw_ostream &OS) {
548  }
549 
550  std::string getMangledStructor(const NamedDecl *ND, unsigned StructorType) {
551  std::string FrontendBuf;
552  llvm::raw_string_ostream FOS(FrontendBuf);
553 
554  GlobalDecl GD;
555  if (const auto *CD = dyn_cast_or_null<CXXConstructorDecl>(ND))
556  GD = GlobalDecl(CD, static_cast<CXXCtorType>(StructorType));
557  else if (const auto *DD = dyn_cast_or_null<CXXDestructorDecl>(ND))
558  GD = GlobalDecl(DD, static_cast<CXXDtorType>(StructorType));
559  MC->mangleName(GD, FOS);
560 
561  std::string BackendBuf;
562  llvm::raw_string_ostream BOS(BackendBuf);
563 
564  llvm::Mangler::getNameWithPrefix(BOS, FOS.str(), DL);
565 
566  return BOS.str();
567  }
568 
569  std::string getMangledThunk(const CXXMethodDecl *MD, const ThunkInfo &T) {
570  std::string FrontendBuf;
571  llvm::raw_string_ostream FOS(FrontendBuf);
572 
573  MC->mangleThunk(MD, T, FOS);
574 
575  std::string BackendBuf;
576  llvm::raw_string_ostream BOS(BackendBuf);
577 
578  llvm::Mangler::getNameWithPrefix(BOS, FOS.str(), DL);
579 
580  return BOS.str();
581  }
582 };
583 
585  : Impl(std::make_unique<Implementation>(Ctx)) {}
586 
588 
589 bool ASTNameGenerator::writeName(const Decl *D, raw_ostream &OS) {
590  return Impl->writeName(D, OS);
591 }
592 
594  return Impl->getName(D);
595 }
596 
597 std::vector<std::string> ASTNameGenerator::getAllManglings(const Decl *D) {
598  return Impl->getAllManglings(D);
599 }
clang::ObjCInterfaceDecl
Represents an ObjC class declaration.
Definition: DeclObjC.h:1149
clang::MangleContext::mangleObjCMethodName
void mangleObjCMethodName(const ObjCMethodDecl *MD, raw_ostream &OS, bool includePrefixByte=true, bool includeCategoryNamespace=true)
Definition: Mangle.cpp:325
max
__DEVICE__ int max(int __a, int __b)
Definition: __clang_cuda_math.h:196
clang::Decl::getASTContext
ASTContext & getASTContext() const LLVM_READONLY
Definition: DeclBase.cpp:428
clang::Dtor_Base
@ Dtor_Base
Base object dtor.
Definition: ABI.h:36
clang::CXXConstructorDecl
Represents a C++ constructor within a class.
Definition: DeclCXX.h:2436
clang::CC_X86FastCall
@ CC_X86FastCall
Definition: Specifiers.h:269
CCM_WasmMainArgcArgv
@ CCM_WasmMainArgcArgv
Definition: Mangle.cpp:55
clang::MSGuidDeclParts
Parts of a decomposed MSGuidDecl.
Definition: DeclCXX.h:4165
clang::ASTNameGenerator::~ASTNameGenerator
~ASTNameGenerator()
Definition: Mangle.cpp:587
clang::ASTNameGenerator::writeName
bool writeName(const Decl *D, raw_ostream &OS)
Writes name for D to OS.
Definition: Mangle.cpp:589
string
string(SUBSTRING ${CMAKE_CURRENT_BINARY_DIR} 0 ${PATH_LIB_START} PATH_HEAD) string(SUBSTRING $
Definition: CMakeLists.txt:22
clang::ASTNameGenerator::Implementation::getAllManglings
std::vector< std::string > getAllManglings(const ObjCContainerDecl *OCD)
Definition: Mangle.cpp:449
clang::DeclContext
DeclContext - This is used only as base class of specific decl types that can act as declaration cont...
Definition: DeclBase.h:1389
clang::ASTNameGenerator::Implementation::ObjCClass
@ ObjCClass
Definition: Mangle.cpp:438
clang::Decl::hasAttr
bool hasAttr() const
Definition: DeclBase.h:560
clang::ASTNameGenerator::Implementation::Implementation
Implementation(ASTContext &Ctx)
Definition: Mangle.cpp:397
clang::TargetCXXABI::isMicrosoft
bool isMicrosoft() const
Is this ABI an MSVC-compatible ABI?
Definition: TargetCXXABI.h:138
clang::TargetInfo::getUserLabelPrefix
const char * getUserLabelPrefix() const
Returns the default value of the USER_LABEL_PREFIX macro, which is the prefix given to user symbols b...
Definition: TargetInfo.h:841
clang::NamedDecl
This represents a decl that may have a name.
Definition: Decl.h:247
clang::MangleContext::mangleMSGuidDecl
virtual void mangleMSGuidDecl(const MSGuidDecl *GD, raw_ostream &)
Definition: Mangle.cpp:240
TargetInfo.h
clang::QualType
A (possibly-)qualified type.
Definition: Type.h:737
Attr.h
mangleFunctionBlock
static void mangleFunctionBlock(MangleContext &Context, StringRef Outer, const BlockDecl *BD, raw_ostream &Out)
Definition: Mangle.cpp:36
clang::TargetInfo::getCXXABI
TargetCXXABI getCXXABI() const
Get the C++ ABI currently in use.
Definition: TargetInfo.h:1270
clang::TargetCXXABI::isItaniumFamily
bool isItaniumFamily() const
Does this ABI generally fall into the Itanium family of ABIs?
Definition: TargetCXXABI.h:124
clang::TargetInfo
Exposes information about the current target.
Definition: TargetInfo.h:205
DeclCXX.h
clang::ObjCMethodDecl::getClassInterface
ObjCInterfaceDecl * getClassInterface()
Definition: DeclObjC.cpp:1174
clang::ASTContext::createMangleContext
MangleContext * createMangleContext(const TargetInfo *T=nullptr)
If T is null pointer, assume the target in ASTContext.
Definition: ASTContext.cpp:11886
clang::MangleContext::getASTContext
ASTContext & getASTContext() const
Definition: Mangle.h:77
clang::MSGuidDecl::getParts
Parts getParts() const
Get the decomposed parts of this declaration.
Definition: DeclCXX.h:4220
clang::Decl::getOwningModuleForLinkage
Module * getOwningModuleForLinkage(bool IgnoreLinkage=false) const
Get the module that owns this declaration for linkage purposes.
Definition: Decl.cpp:1569
clang::Ctor_Base
@ Ctor_Base
Base object ctor.
Definition: ABI.h:26
SourceManager.h
clang::Ctor_Complete
@ Ctor_Complete
Complete object ctor.
Definition: ABI.h:25
clang::MangleContext::isUniqueInternalLinkageDecl
virtual bool isUniqueInternalLinkageDecl(const NamedDecl *ND)
Definition: Mangle.h:123
clang::MangleContext::mangleCtorBlock
void mangleCtorBlock(const CXXConstructorDecl *CD, CXXCtorType CT, const BlockDecl *BD, raw_ostream &Out)
Definition: Mangle.cpp:271
clang::ASTNameGenerator::ASTNameGenerator
ASTNameGenerator(ASTContext &Ctx)
Definition: Mangle.cpp:584
clang::Decl::getAttr
T * getAttr() const
Definition: DeclBase.h:556
clang::ASTNameGenerator::Implementation::getClassSymbolPrefix
static StringRef getClassSymbolPrefix(ObjCKind Kind, const ASTContext &Context)
Definition: Mangle.cpp:442
clang::FunctionType
FunctionType - C99 6.7.5.3 - Function Declarators.
Definition: Type.h:3675
CCMangling
CCMangling
Definition: Mangle.cpp:49
clang::MangleContext::getBlockId
unsigned getBlockId(const BlockDecl *BD, bool Local)
Definition: Mangle.h:83
clang::Dtor_Complete
@ Dtor_Complete
Complete object dtor.
Definition: ABI.h:35
clang::CC_X86StdCall
@ CC_X86StdCall
Definition: Specifiers.h:268
clang::MangleContext::mangleDtorBlock
void mangleDtorBlock(const CXXDestructorDecl *CD, CXXDtorType DT, const BlockDecl *BD, raw_ostream &Out)
Definition: Mangle.cpp:280
Decl.h
DeclObjC.h
ABI.h
clang::GlobalDecl
GlobalDecl - represents a global declaration.
Definition: GlobalDecl.h:56
clang::MangleContext::mangleObjCMethodNameAsSourceName
void mangleObjCMethodNameAsSourceName(const ObjCMethodDecl *MD, raw_ostream &)
Definition: Mangle.cpp:382
clang::VTableContextBase::getThunkInfo
virtual const ThunkInfoVectorTy * getThunkInfo(GlobalDecl GD)
Definition: VTableBuilder.h:342
clang::Ctor_DefaultClosure
@ Ctor_DefaultClosure
Default closure variant of a ctor.
Definition: ABI.h:29
U
clang::MangleContext
MangleContext - Context for tracking state which persists across multiple calls to the C++ name mangl...
Definition: Mangle.h:44
clang::CXXCtorType
CXXCtorType
C++ constructor types.
Definition: ABI.h:24
DeclTemplate.h
clang::LangOptions::ObjCRuntime
clang::ObjCRuntime ObjCRuntime
Definition: LangOptions.h:414
clang::BlockDecl
Represents a block literal declaration, which is like an unnamed FunctionDecl.
Definition: Decl.h:4283
hlsl::uint64_t
unsigned long uint64_t
Definition: hlsl_basic_types.h:25
clang::TargetInfo::getPointerWidth
uint64_t getPointerWidth(LangAS AddrSpace) const
Return the width of pointers on this target, for the specified address space.
Definition: TargetInfo.h:441
clang::ASTContext
Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...
Definition: ASTContext.h:209
clang::CPlusPlus
@ CPlusPlus
Definition: LangStandard.h:53
clang::CXXDtorType
CXXDtorType
C++ destructor types.
Definition: ABI.h:33
clang::MangleContext::mangleName
void mangleName(GlobalDecl GD, raw_ostream &)
Definition: Mangle.cpp:139
clang::ObjCMethodDecl::getSelector
Selector getSelector() const
Definition: DeclObjC.h:330
clang::FunctionType::getCallConv
CallingConv getCallConv() const
Definition: Type.h:3951
clang::ASTNameGenerator::Implementation
Definition: Mangle.cpp:392
clang::MSGuidDecl
A global _GUID constant.
Definition: DeclCXX.h:4188
clang::ASTContext::getTypeSize
uint64_t getTypeSize(QualType T) const
Return the size of the specified (complete) type T, in bits.
Definition: ASTContext.h:2302
clang::CXXDestructorDecl
Represents a C++ destructor within a class.
Definition: DeclCXX.h:2703
clang::Selector::print
void print(llvm::raw_ostream &OS) const
Prints the full selector name (e.g. "foo:bar:").
Definition: IdentifierTable.cpp:625
llvm::SmallString
Definition: LLVM.h:37
clang::MangleContext::mangleBlock
void mangleBlock(const DeclContext *DC, const BlockDecl *BD, raw_ostream &Out)
Definition: Mangle.cpp:289
ASTContext.h
clang::CallingConv
CallingConv
CallingConv - Specifies the calling convention that a function uses.
Definition: Specifiers.h:266
clang::VarDecl
Represents a variable declaration or definition.
Definition: Decl.h:906
ExprCXX.h
clang::ASTNameGenerator::Implementation::getName
std::string getName(const Decl *D)
Definition: Mangle.cpp:428
clang::Type::castAs
const T * castAs() const
Member-template castAs<specific type>.
Definition: Type.h:7453
clang::TargetInfo::getTriple
const llvm::Triple & getTriple() const
Returns the target triple of the primary target.
Definition: TargetInfo.h:1197
P
StringRef P
Definition: ASTMatchersInternal.cpp:563
CCM_Fast
@ CCM_Fast
Definition: Mangle.cpp:51
clang::Decl::hasAttrs
bool hasAttrs() const
Definition: DeclBase.h:502
VTableBuilder.h
clang::NamedDecl::hasExternalFormalLinkage
bool hasExternalFormalLinkage() const
True if this decl has external linkage.
Definition: Decl.h:403
clang::NamedDecl::getIdentifier
IdentifierInfo * getIdentifier() const
Get the identifier that names this declaration, if there is one.
Definition: Decl.h:268
clang::ASTNameGenerator::Implementation::ObjCMetaclass
@ ObjCMetaclass
Definition: Mangle.cpp:439
clang::FunctionProtoType
Represents a prototype with parameter type info, e.g.
Definition: Type.h:4016
clang::MangleContext::shouldMangleDeclName
bool shouldMangleDeclName(const NamedDecl *D)
Definition: Mangle.cpp:105
clang::DeclContext::getParent
DeclContext * getParent()
getParent - Returns the containing DeclContext.
Definition: DeclBase.h:1923
clang::ASTNameGenerator::Implementation::getAllManglings
std::vector< std::string > getAllManglings(const Decl *D)
Definition: Mangle.cpp:472
clang::Decl
Decl - This represents one declaration (or definition), e.g.
Definition: DeclBase.h:83
CCM_Std
@ CCM_Std
Definition: Mangle.cpp:54
clang::ObjCMethodDecl::isInstanceMethod
bool isInstanceMethod() const
Definition: DeclObjC.h:431
clang::ThunkInfo
The this pointer adjustment as well as an optional return adjustment for a thunk.
Definition: Thunk.h:156
clang::CC_X86VectorCall
@ CC_X86VectorCall
Definition: Specifiers.h:271
isExternC
static bool isExternC(const NamedDecl *ND)
Definition: Mangle.cpp:58
clang::ASTNameGenerator::getAllManglings
std::vector< std::string > getAllManglings(const Decl *D)
Definition: Mangle.cpp:597
CCM_RegCall
@ CCM_RegCall
Definition: Mangle.cpp:52
clang::IdentifierInfo
One of these records is kept for each identifier that is lexed.
Definition: IdentifierTable.h:85
clang::ObjCRuntime
The basic abstraction for the target Objective-C runtime.
Definition: ObjCRuntime.h:28
clang::ASTContext::getTargetInfo
const TargetInfo & getTargetInfo() const
Definition: ASTContext.h:773
CCM_Other
@ CCM_Other
Definition: Mangle.cpp:50
clang::ObjCPropertyAttribute::Kind
Kind
Definition: DeclObjCCommon.h:22
clang::MangleContext::mangleCXXName
virtual void mangleCXXName(GlobalDecl GD, raw_ostream &)=0
clang::ObjCRuntime::isGNUFamily
bool isGNUFamily() const
Is this runtime basically of the GNU family of runtimes?
Definition: ObjCRuntime.h:119
std
Definition: Format.h:4477
clang::ObjCMethodDecl
ObjCMethodDecl - Represents an instance or class method declaration.
Definition: DeclObjC.h:139
clang::LangAS::Default
@ Default
clang::IdentifierInfo::getName
StringRef getName() const
Return the actual identifier string.
Definition: IdentifierTable.h:196
clang::Builtin::ID
ID
Definition: Builtins.h:52
clang
Definition: CalledOnceCheck.h:17
clang::ASTNameGenerator::Implementation::ObjCKind
ObjCKind
Definition: Mangle.cpp:437
clang::Dtor_Deleting
@ Dtor_Deleting
Deleting dtor.
Definition: ABI.h:34
clang::ObjCContainerDecl
ObjCContainerDecl - Represents a container for method declarations.
Definition: DeclObjC.h:944
clang::GlobalDecl::getDecl
const Decl * getDecl() const
Definition: GlobalDecl.h:103
Mangle.h
clang::ObjCMethodDecl::getCategory
ObjCCategoryDecl * getCategory()
If this method is declared or implemented in a category, return that category.
Definition: DeclObjC.cpp:1186
clang::ValueDecl::getType
QualType getType() const
Definition: Decl.h:712
CCM_Vector
@ CCM_Vector
Definition: Mangle.cpp:53
hasDefaultCXXMethodCC
static bool hasDefaultCXXMethodCC(ASTContext &Context, const CXXMethodDecl *MD)
Definition: MicrosoftCXXABI.cpp:1239
clang::transformer::name
RangeSelector name(std::string ID)
Given a node with a "name", (like NamedDecl, DeclRefExpr, CxxCtorInitializer, and TypeLoc) selects th...
Definition: RangeSelector.cpp:200
clang::ObjCMethodDecl::isClassMethod
bool isClassMethod() const
Definition: DeclObjC.h:439
clang::ASTNameGenerator::Implementation::writeName
bool writeName(const Decl *D, raw_ostream &OS)
Definition: Mangle.cpp:401
clang::ASTContext::getVTableContext
VTableContextBase * getVTableContext()
Definition: ASTContext.cpp:11871
clang::ASTNameGenerator::getName
std::string getName(const Decl *D)
Definition: Mangle.cpp:593
clang::FunctionDecl
Represents a function declaration or definition.
Definition: Decl.h:1904
clang::ASTContext::getLangOpts
const LangOptions & getLangOpts() const
Definition: ASTContext.h:791
clang::MangleContext::mangleGlobalBlock
void mangleGlobalBlock(const BlockDecl *BD, const NamedDecl *ID, raw_ostream &Out)
Definition: Mangle.cpp:254
getCallingConvMangling
static CCMangling getCallingConvMangling(const ASTContext &Context, const NamedDecl *ND)
Definition: Mangle.cpp:66
clang::ento::ObjKind::OS
@ OS
Indicates that the tracking object is a descendant of a referenced-counted OSObject,...
clang::MangleContext::shouldMangleCXXName
virtual bool shouldMangleCXXName(const NamedDecl *D)=0
clang::CXXMethodDecl
Represents a static or instance method of a struct/union/class.
Definition: DeclCXX.h:1983
clang::Decl::getDeclContext
DeclContext * getDeclContext()
Definition: DeclBase.h:441
clang::ObjCInterfaceDecl::getObjCRuntimeNameAsString
StringRef getObjCRuntimeNameAsString() const
Produce a name to be used for class's metadata.
Definition: DeclObjC.cpp:1582
clang::NamedDecl::getName
StringRef getName() const
Get the name of identifier for this declaration as a StringRef.
Definition: Decl.h:274