clang 19.0.0git
Mangle.cpp
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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"
14#include "clang/AST/Decl.h"
15#include "clang/AST/DeclCXX.h"
16#include "clang/AST/DeclObjC.h"
18#include "clang/AST/ExprCXX.h"
19#include "clang/AST/Mangle.h"
21#include "clang/Basic/ABI.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
31using 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
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
47void MangleContext::anchor() { }
48
56};
57
58static 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)
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
139void 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().starts_with("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 if (getASTContext().getLangOpts().RegCall4)
203 Out << "__regcall4__";
204 else
205 Out << "__regcall3__";
206 }
207
208 if (!MCXX)
209 Out << D->getIdentifier()->getName();
210 else if (const ObjCMethodDecl *OMD = dyn_cast<ObjCMethodDecl>(D))
212 else
213 mangleCXXName(GD, Out);
214
215 const FunctionDecl *FD = cast<FunctionDecl>(D);
216 const FunctionType *FT = FD->getType()->castAs<FunctionType>();
217 const FunctionProtoType *Proto = dyn_cast<FunctionProtoType>(FT);
218 if (CC == CCM_Vector)
219 Out << '@';
220 Out << '@';
221 if (!Proto) {
222 Out << '0';
223 return;
224 }
225 assert(!Proto->isVariadic());
226 unsigned ArgWords = 0;
227 if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD))
228 if (MD->isImplicitObjectMemberFunction())
229 ++ArgWords;
230 uint64_t DefaultPtrWidth = TI.getPointerWidth(LangAS::Default);
231 for (const auto &AT : Proto->param_types()) {
232 // If an argument type is incomplete there is no way to get its size to
233 // correctly encode into the mangling scheme.
234 // Follow GCCs behaviour by simply breaking out of the loop.
235 if (AT->isIncompleteType())
236 break;
237 // Size should be aligned to pointer size.
238 ArgWords += llvm::alignTo(ASTContext.getTypeSize(AT), DefaultPtrWidth) /
239 DefaultPtrWidth;
240 }
241 Out << ((DefaultPtrWidth / 8) * ArgWords);
242}
243
244void MangleContext::mangleMSGuidDecl(const MSGuidDecl *GD, raw_ostream &Out) {
245 // For now, follow the MSVC naming convention for GUID objects on all
246 // targets.
248 Out << llvm::format("_GUID_%08" PRIx32 "_%04" PRIx32 "_%04" PRIx32 "_",
249 P.Part1, P.Part2, P.Part3);
250 unsigned I = 0;
251 for (uint8_t C : P.Part4And5) {
252 Out << llvm::format("%02" PRIx8, C);
253 if (++I == 2)
254 Out << "_";
255 }
256}
257
259 const NamedDecl *ID,
260 raw_ostream &Out) {
261 unsigned discriminator = getBlockId(BD, false);
262 if (ID) {
263 if (shouldMangleDeclName(ID))
264 mangleName(ID, Out);
265 else {
266 Out << ID->getIdentifier()->getName();
267 }
268 }
269 if (discriminator == 0)
270 Out << "_block_invoke";
271 else
272 Out << "_block_invoke_" << discriminator+1;
273}
274
276 CXXCtorType CT, const BlockDecl *BD,
277 raw_ostream &ResStream) {
278 SmallString<64> Buffer;
279 llvm::raw_svector_ostream Out(Buffer);
280 mangleName(GlobalDecl(CD, CT), Out);
281 mangleFunctionBlock(*this, Buffer, BD, ResStream);
282}
283
285 CXXDtorType DT, const BlockDecl *BD,
286 raw_ostream &ResStream) {
287 SmallString<64> Buffer;
288 llvm::raw_svector_ostream Out(Buffer);
289 mangleName(GlobalDecl(DD, DT), Out);
290 mangleFunctionBlock(*this, Buffer, BD, ResStream);
291}
292
294 raw_ostream &Out) {
295 assert(!isa<CXXConstructorDecl>(DC) && !isa<CXXDestructorDecl>(DC));
296
297 SmallString<64> Buffer;
298 llvm::raw_svector_ostream Stream(Buffer);
299 if (const ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(DC)) {
300 mangleObjCMethodNameAsSourceName(Method, Stream);
301 } else {
302 assert((isa<NamedDecl>(DC) || isa<BlockDecl>(DC)) &&
303 "expected a NamedDecl or BlockDecl");
304 if (isa<BlockDecl>(DC))
305 for (; DC && isa<BlockDecl>(DC); DC = DC->getParent())
306 (void) getBlockId(cast<BlockDecl>(DC), true);
307 assert((isa<TranslationUnitDecl>(DC) || isa<NamedDecl>(DC)) &&
308 "expected a TranslationUnitDecl or a NamedDecl");
309 if (const auto *CD = dyn_cast<CXXConstructorDecl>(DC))
310 mangleCtorBlock(CD, /*CT*/ Ctor_Complete, BD, Out);
311 else if (const auto *DD = dyn_cast<CXXDestructorDecl>(DC))
312 mangleDtorBlock(DD, /*DT*/ Dtor_Complete, BD, Out);
313 else if (auto ND = dyn_cast<NamedDecl>(DC)) {
314 if (!shouldMangleDeclName(ND) && ND->getIdentifier())
315 Stream << ND->getIdentifier()->getName();
316 else {
317 // FIXME: We were doing a mangleUnqualifiedName() before, but that's
318 // a private member of a class that will soon itself be private to the
319 // Itanium C++ ABI object. What should we do now? Right now, I'm just
320 // calling the mangleName() method on the MangleContext; is there a
321 // better way?
322 mangleName(ND, Stream);
323 }
324 }
325 }
326 mangleFunctionBlock(*this, Buffer, BD, Out);
327}
328
330 raw_ostream &OS,
331 bool includePrefixByte,
332 bool includeCategoryNamespace) {
333 if (getASTContext().getLangOpts().ObjCRuntime.isGNUFamily()) {
334 // This is the mangling we've always used on the GNU runtimes, but it
335 // has obvious collisions in the face of underscores within class
336 // names, category names, and selectors; maybe we should improve it.
337
338 OS << (MD->isClassMethod() ? "_c_" : "_i_")
339 << MD->getClassInterface()->getName() << '_';
340
341 if (includeCategoryNamespace) {
342 if (auto category = MD->getCategory())
343 OS << category->getName();
344 }
345 OS << '_';
346
347 auto selector = MD->getSelector();
348 for (unsigned slotIndex = 0,
349 numArgs = selector.getNumArgs(),
350 slotEnd = std::max(numArgs, 1U);
351 slotIndex != slotEnd; ++slotIndex) {
352 if (auto name = selector.getIdentifierInfoForSlot(slotIndex))
353 OS << name->getName();
354
355 // Replace all the positions that would've been ':' with '_'.
356 // That's after each slot except that a unary selector doesn't
357 // end in ':'.
358 if (numArgs)
359 OS << '_';
360 }
361
362 return;
363 }
364
365 // \01+[ContainerName(CategoryName) SelectorName]
366 if (includePrefixByte) {
367 OS << '\01';
368 }
369 OS << (MD->isInstanceMethod() ? '-' : '+') << '[';
370 if (const auto *CID = MD->getCategory()) {
371 OS << CID->getClassInterface()->getName();
372 if (includeCategoryNamespace) {
373 OS << '(' << *CID << ')';
374 }
375 } else if (const auto *CD =
376 dyn_cast<ObjCContainerDecl>(MD->getDeclContext())) {
377 OS << CD->getName();
378 } else {
379 llvm_unreachable("Unexpected ObjC method decl context");
380 }
381 OS << ' ';
382 MD->getSelector().print(OS);
383 OS << ']';
384}
385
387 raw_ostream &Out) {
388 SmallString<64> Name;
389 llvm::raw_svector_ostream OS(Name);
390
391 mangleObjCMethodName(MD, OS, /*includePrefixByte=*/false,
392 /*includeCategoryNamespace=*/true);
393 Out << OS.str().size() << OS.str();
394}
395
397 std::unique_ptr<MangleContext> MC;
398 llvm::DataLayout DL;
399
400public:
402 : MC(Ctx.createMangleContext()),
403 DL(Ctx.getTargetInfo().getDataLayoutString()) {}
404
405 bool writeName(const Decl *D, raw_ostream &OS) {
406 // First apply frontend mangling.
407 SmallString<128> FrontendBuf;
408 llvm::raw_svector_ostream FrontendBufOS(FrontendBuf);
409 if (auto *FD = dyn_cast<FunctionDecl>(D)) {
410 if (FD->isDependentContext())
411 return true;
412 if (writeFuncOrVarName(FD, FrontendBufOS))
413 return true;
414 } else if (auto *VD = dyn_cast<VarDecl>(D)) {
415 if (writeFuncOrVarName(VD, FrontendBufOS))
416 return true;
417 } else if (auto *MD = dyn_cast<ObjCMethodDecl>(D)) {
418 MC->mangleObjCMethodName(MD, OS, /*includePrefixByte=*/false,
419 /*includeCategoryNamespace=*/true);
420 return false;
421 } else if (auto *ID = dyn_cast<ObjCInterfaceDecl>(D)) {
422 writeObjCClassName(ID, FrontendBufOS);
423 } else {
424 return true;
425 }
426
427 // Now apply backend mangling.
428 llvm::Mangler::getNameWithPrefix(OS, FrontendBufOS.str(), DL);
429 return false;
430 }
431
432 std::string getName(const Decl *D) {
433 std::string Name;
434 {
435 llvm::raw_string_ostream OS(Name);
436 writeName(D, OS);
437 }
438 return Name;
439 }
440
441 enum ObjCKind {
444 };
445
446 static StringRef getClassSymbolPrefix(ObjCKind Kind,
447 const ASTContext &Context) {
448 if (Context.getLangOpts().ObjCRuntime.isGNUFamily())
449 return Kind == ObjCMetaclass ? "_OBJC_METACLASS_" : "_OBJC_CLASS_";
450 return Kind == ObjCMetaclass ? "OBJC_METACLASS_$_" : "OBJC_CLASS_$_";
451 }
452
453 std::vector<std::string> getAllManglings(const ObjCContainerDecl *OCD) {
454 StringRef ClassName;
455 if (const auto *OID = dyn_cast<ObjCInterfaceDecl>(OCD))
456 ClassName = OID->getObjCRuntimeNameAsString();
457 else if (const auto *OID = dyn_cast<ObjCImplementationDecl>(OCD))
458 ClassName = OID->getObjCRuntimeNameAsString();
459
460 if (ClassName.empty())
461 return {};
462
463 auto Mangle = [&](ObjCKind Kind, StringRef ClassName) -> std::string {
464 SmallString<40> Mangled;
465 auto Prefix = getClassSymbolPrefix(Kind, OCD->getASTContext());
466 llvm::Mangler::getNameWithPrefix(Mangled, Prefix + ClassName, DL);
467 return std::string(Mangled);
468 };
469
470 return {
471 Mangle(ObjCClass, ClassName),
472 Mangle(ObjCMetaclass, ClassName),
473 };
474 }
475
476 std::vector<std::string> getAllManglings(const Decl *D) {
477 if (const auto *OCD = dyn_cast<ObjCContainerDecl>(D))
478 return getAllManglings(OCD);
479
480 if (!(isa<CXXRecordDecl>(D) || isa<CXXMethodDecl>(D)))
481 return {};
482
483 const NamedDecl *ND = cast<NamedDecl>(D);
484
485 ASTContext &Ctx = ND->getASTContext();
486 std::unique_ptr<MangleContext> M(Ctx.createMangleContext());
487
488 std::vector<std::string> Manglings;
489
490 auto hasDefaultCXXMethodCC = [](ASTContext &C, const CXXMethodDecl *MD) {
491 auto DefaultCC = C.getDefaultCallingConvention(/*IsVariadic=*/false,
492 /*IsCXXMethod=*/true);
493 auto CC = MD->getType()->castAs<FunctionProtoType>()->getCallConv();
494 return CC == DefaultCC;
495 };
496
497 if (const auto *CD = dyn_cast_or_null<CXXConstructorDecl>(ND)) {
498 Manglings.emplace_back(getMangledStructor(CD, Ctor_Base));
499
501 if (!CD->getParent()->isAbstract())
502 Manglings.emplace_back(getMangledStructor(CD, Ctor_Complete));
503
504 if (Ctx.getTargetInfo().getCXXABI().isMicrosoft())
505 if (CD->hasAttr<DLLExportAttr>() && CD->isDefaultConstructor())
506 if (!(hasDefaultCXXMethodCC(Ctx, CD) && CD->getNumParams() == 0))
507 Manglings.emplace_back(getMangledStructor(CD, Ctor_DefaultClosure));
508 } else if (const auto *DD = dyn_cast_or_null<CXXDestructorDecl>(ND)) {
509 Manglings.emplace_back(getMangledStructor(DD, Dtor_Base));
511 Manglings.emplace_back(getMangledStructor(DD, Dtor_Complete));
512 if (DD->isVirtual())
513 Manglings.emplace_back(getMangledStructor(DD, Dtor_Deleting));
514 }
515 } else if (const auto *MD = dyn_cast_or_null<CXXMethodDecl>(ND)) {
516 Manglings.emplace_back(getName(ND));
517 if (MD->isVirtual())
518 if (const auto *TIV = Ctx.getVTableContext()->getThunkInfo(MD))
519 for (const auto &T : *TIV)
520 Manglings.emplace_back(getMangledThunk(MD, T));
521 }
522
523 return Manglings;
524 }
525
526private:
527 bool writeFuncOrVarName(const NamedDecl *D, raw_ostream &OS) {
528 if (MC->shouldMangleDeclName(D)) {
529 GlobalDecl GD;
530 if (const auto *CtorD = dyn_cast<CXXConstructorDecl>(D))
531 GD = GlobalDecl(CtorD, Ctor_Complete);
532 else if (const auto *DtorD = dyn_cast<CXXDestructorDecl>(D))
533 GD = GlobalDecl(DtorD, Dtor_Complete);
534 else if (D->hasAttr<CUDAGlobalAttr>())
535 GD = GlobalDecl(cast<FunctionDecl>(D));
536 else
537 GD = GlobalDecl(D);
538 MC->mangleName(GD, OS);
539 return false;
540 } else {
541 IdentifierInfo *II = D->getIdentifier();
542 if (!II)
543 return true;
544 OS << II->getName();
545 return false;
546 }
547 }
548
549 void writeObjCClassName(const ObjCInterfaceDecl *D, raw_ostream &OS) {
552 }
553
554 std::string getMangledStructor(const NamedDecl *ND, unsigned StructorType) {
555 std::string FrontendBuf;
556 llvm::raw_string_ostream FOS(FrontendBuf);
557
558 GlobalDecl GD;
559 if (const auto *CD = dyn_cast_or_null<CXXConstructorDecl>(ND))
560 GD = GlobalDecl(CD, static_cast<CXXCtorType>(StructorType));
561 else if (const auto *DD = dyn_cast_or_null<CXXDestructorDecl>(ND))
562 GD = GlobalDecl(DD, static_cast<CXXDtorType>(StructorType));
563 MC->mangleName(GD, FOS);
564
565 std::string BackendBuf;
566 llvm::raw_string_ostream BOS(BackendBuf);
567
568 llvm::Mangler::getNameWithPrefix(BOS, FOS.str(), DL);
569
570 return BOS.str();
571 }
572
573 std::string getMangledThunk(const CXXMethodDecl *MD, const ThunkInfo &T) {
574 std::string FrontendBuf;
575 llvm::raw_string_ostream FOS(FrontendBuf);
576
577 MC->mangleThunk(MD, T, FOS);
578
579 std::string BackendBuf;
580 llvm::raw_string_ostream BOS(BackendBuf);
581
582 llvm::Mangler::getNameWithPrefix(BOS, FOS.str(), DL);
583
584 return BOS.str();
585 }
586};
587
589 : Impl(std::make_unique<Implementation>(Ctx)) {}
590
592
593bool ASTNameGenerator::writeName(const Decl *D, raw_ostream &OS) {
594 return Impl->writeName(D, OS);
595}
596
597std::string ASTNameGenerator::getName(const Decl *D) {
598 return Impl->getName(D);
599}
600
601std::vector<std::string> ASTNameGenerator::getAllManglings(const Decl *D) {
602 return Impl->getAllManglings(D);
603}
Enums/classes describing ABI related information about constructors, destructors and thunks.
Defines the clang::ASTContext interface.
StringRef P
static bool hasDefaultCXXMethodCC(ASTContext &Context, const CXXMethodDecl *MD)
Defines the C++ Decl subclasses, other than those for templates (found in DeclTemplate....
Defines the C++ template declaration subclasses.
Defines the clang::Expr interface and subclasses for C++ expressions.
CCMangling
Definition: Mangle.cpp:49
@ CCM_Fast
Definition: Mangle.cpp:51
@ CCM_Vector
Definition: Mangle.cpp:53
@ CCM_Std
Definition: Mangle.cpp:54
@ CCM_WasmMainArgcArgv
Definition: Mangle.cpp:55
@ CCM_RegCall
Definition: Mangle.cpp:52
@ CCM_Other
Definition: Mangle.cpp:50
static void mangleFunctionBlock(MangleContext &Context, StringRef Outer, const BlockDecl *BD, raw_ostream &Out)
Definition: Mangle.cpp:36
static bool isExternC(const NamedDecl *ND)
Definition: Mangle.cpp:58
static CCMangling getCallingConvMangling(const ASTContext &Context, const NamedDecl *ND)
Definition: Mangle.cpp:66
Defines the SourceManager interface.
std::string getName(const Decl *D)
Definition: Mangle.cpp:432
std::vector< std::string > getAllManglings(const Decl *D)
Definition: Mangle.cpp:476
static StringRef getClassSymbolPrefix(ObjCKind Kind, const ASTContext &Context)
Definition: Mangle.cpp:446
bool writeName(const Decl *D, raw_ostream &OS)
Definition: Mangle.cpp:405
std::vector< std::string > getAllManglings(const ObjCContainerDecl *OCD)
Definition: Mangle.cpp:453
Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...
Definition: ASTContext.h:182
MangleContext * createMangleContext(const TargetInfo *T=nullptr)
If T is null pointer, assume the target in ASTContext.
const LangOptions & getLangOpts() const
Definition: ASTContext.h:775
VTableContextBase * getVTableContext()
uint64_t getTypeSize(QualType T) const
Return the size of the specified (complete) type T, in bits.
Definition: ASTContext.h:2341
const TargetInfo & getTargetInfo() const
Definition: ASTContext.h:757
std::string getName(const Decl *D)
Definition: Mangle.cpp:597
ASTNameGenerator(ASTContext &Ctx)
Definition: Mangle.cpp:588
bool writeName(const Decl *D, raw_ostream &OS)
Writes name for D to OS.
Definition: Mangle.cpp:593
std::vector< std::string > getAllManglings(const Decl *D)
Definition: Mangle.cpp:601
Represents a block literal declaration, which is like an unnamed FunctionDecl.
Definition: Decl.h:4494
Represents a C++ constructor within a class.
Definition: DeclCXX.h:2535
Represents a C++ destructor within a class.
Definition: DeclCXX.h:2799
Represents a static or instance method of a struct/union/class.
Definition: DeclCXX.h:2060
DeclContext - This is used only as base class of specific decl types that can act as declaration cont...
Definition: DeclBase.h:1436
DeclContext * getParent()
getParent - Returns the containing DeclContext.
Definition: DeclBase.h:2066
Decl - This represents one declaration (or definition), e.g.
Definition: DeclBase.h:86
T * getAttr() const
Definition: DeclBase.h:579
bool hasAttrs() const
Definition: DeclBase.h:524
ASTContext & getASTContext() const LLVM_READONLY
Definition: DeclBase.cpp:501
Module * getOwningModuleForLinkage(bool IgnoreLinkage=false) const
Get the module that owns this declaration for linkage purposes.
Definition: Decl.cpp:1624
DeclContext * getDeclContext()
Definition: DeclBase.h:454
bool hasAttr() const
Definition: DeclBase.h:583
Represents a function declaration or definition.
Definition: Decl.h:1971
Represents a prototype with parameter type info, e.g.
Definition: Type.h:4657
FunctionType - C99 6.7.5.3 - Function Declarators.
Definition: Type.h:4257
CallingConv getCallConv() const
Definition: Type.h:4585
GlobalDecl - represents a global declaration.
Definition: GlobalDecl.h:56
const Decl * getDecl() const
Definition: GlobalDecl.h:103
One of these records is kept for each identifier that is lexed.
StringRef getName() const
Return the actual identifier string.
clang::ObjCRuntime ObjCRuntime
Definition: LangOptions.h:496
A global _GUID constant.
Definition: DeclCXX.h:4289
Parts getParts() const
Get the decomposed parts of this declaration.
Definition: DeclCXX.h:4319
MangleContext - Context for tracking state which persists across multiple calls to the C++ name mangl...
Definition: Mangle.h:45
void mangleBlock(const DeclContext *DC, const BlockDecl *BD, raw_ostream &Out)
Definition: Mangle.cpp:293
unsigned getBlockId(const BlockDecl *BD, bool Local)
Definition: Mangle.h:84
void mangleCtorBlock(const CXXConstructorDecl *CD, CXXCtorType CT, const BlockDecl *BD, raw_ostream &Out)
Definition: Mangle.cpp:275
ASTContext & getASTContext() const
Definition: Mangle.h:78
void mangleGlobalBlock(const BlockDecl *BD, const NamedDecl *ID, raw_ostream &Out)
Definition: Mangle.cpp:258
virtual bool isUniqueInternalLinkageDecl(const NamedDecl *ND)
Definition: Mangle.h:124
bool shouldMangleDeclName(const NamedDecl *D)
Definition: Mangle.cpp:105
void mangleName(GlobalDecl GD, raw_ostream &)
Definition: Mangle.cpp:139
void mangleObjCMethodNameAsSourceName(const ObjCMethodDecl *MD, raw_ostream &)
Definition: Mangle.cpp:386
virtual void mangleCXXName(GlobalDecl GD, raw_ostream &)=0
virtual bool shouldMangleCXXName(const NamedDecl *D)=0
void mangleObjCMethodName(const ObjCMethodDecl *MD, raw_ostream &OS, bool includePrefixByte=true, bool includeCategoryNamespace=true)
Definition: Mangle.cpp:329
void mangleDtorBlock(const CXXDestructorDecl *CD, CXXDtorType DT, const BlockDecl *BD, raw_ostream &Out)
Definition: Mangle.cpp:284
virtual void mangleMSGuidDecl(const MSGuidDecl *GD, raw_ostream &)
Definition: Mangle.cpp:244
This represents a decl that may have a name.
Definition: Decl.h:249
IdentifierInfo * getIdentifier() const
Get the identifier that names this declaration, if there is one.
Definition: Decl.h:270
StringRef getName() const
Get the name of identifier for this declaration as a StringRef.
Definition: Decl.h:276
bool hasExternalFormalLinkage() const
True if this decl has external linkage.
Definition: Decl.h:404
ObjCContainerDecl - Represents a container for method declarations.
Definition: DeclObjC.h:947
Represents an ObjC class declaration.
Definition: DeclObjC.h:1153
StringRef getObjCRuntimeNameAsString() const
Produce a name to be used for class's metadata.
Definition: DeclObjC.cpp:1613
ObjCMethodDecl - Represents an instance or class method declaration.
Definition: DeclObjC.h:140
Selector getSelector() const
Definition: DeclObjC.h:327
bool isInstanceMethod() const
Definition: DeclObjC.h:426
ObjCCategoryDecl * getCategory()
If this method is declared or implemented in a category, return that category.
Definition: DeclObjC.cpp:1223
bool isClassMethod() const
Definition: DeclObjC.h:434
ObjCInterfaceDecl * getClassInterface()
Definition: DeclObjC.cpp:1211
The basic abstraction for the target Objective-C runtime.
Definition: ObjCRuntime.h:28
bool isGNUFamily() const
Is this runtime basically of the GNU family of runtimes?
Definition: ObjCRuntime.h:127
A (possibly-)qualified type.
Definition: Type.h:940
void print(llvm::raw_ostream &OS) const
Prints the full selector name (e.g. "foo:bar:").
bool isMicrosoft() const
Is this ABI an MSVC-compatible ABI?
Definition: TargetCXXABI.h:136
bool isItaniumFamily() const
Does this ABI generally fall into the Itanium family of ABIs?
Definition: TargetCXXABI.h:122
Exposes information about the current target.
Definition: TargetInfo.h:218
const llvm::Triple & getTriple() const
Returns the target triple of the primary target.
Definition: TargetInfo.h:1256
uint64_t getPointerWidth(LangAS AddrSpace) const
Return the width of pointers on this target, for the specified address space.
Definition: TargetInfo.h:472
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:902
TargetCXXABI getCXXABI() const
Get the C++ ABI currently in use.
Definition: TargetInfo.h:1327
const T * castAs() const
Member-template castAs<specific type>.
Definition: Type.h:8198
virtual const ThunkInfoVectorTy * getThunkInfo(GlobalDecl GD)
QualType getType() const
Definition: Decl.h:717
Represents a variable declaration or definition.
Definition: Decl.h:918
Defines the clang::TargetInfo interface.
The JSON file list parser is used to communicate input to InstallAPI.
CXXCtorType
C++ constructor types.
Definition: ABI.h:24
@ Ctor_Base
Base object ctor.
Definition: ABI.h:26
@ Ctor_DefaultClosure
Default closure variant of a ctor.
Definition: ABI.h:29
@ Ctor_Complete
Complete object ctor.
Definition: ABI.h:25
@ CPlusPlus
Definition: LangStandard.h:55
CXXDtorType
C++ destructor types.
Definition: ABI.h:33
@ Dtor_Base
Base object dtor.
Definition: ABI.h:36
@ Dtor_Complete
Complete object dtor.
Definition: ABI.h:35
@ Dtor_Deleting
Deleting dtor.
Definition: ABI.h:34
const FunctionProtoType * T
CallingConv
CallingConv - Specifies the calling convention that a function uses.
Definition: Specifiers.h:275
@ CC_X86VectorCall
Definition: Specifiers.h:280
@ CC_X86StdCall
Definition: Specifiers.h:277
@ CC_X86FastCall
Definition: Specifiers.h:278
Definition: Format.h:5427
Parts of a decomposed MSGuidDecl.
Definition: DeclCXX.h:4264
The this pointer adjustment as well as an optional return adjustment for a thunk.
Definition: Thunk.h:156