ItaniumMangle.cpp revision 4e4d08403ca5cfd4d558fa2936215d3a4e5a528d
114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne//===--- ItaniumMangle.cpp - Itanium C++ Name Mangling ----------*- C++ -*-===// 25f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor// 35f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor// The LLVM Compiler Infrastructure 45f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor// 55f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor// This file is distributed under the University of Illinois Open Source 65f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor// License. See LICENSE.TXT for details. 75f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor// 85f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor//===----------------------------------------------------------------------===// 95f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor// 105f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor// Implements C++ name mangling according to the Itanium C++ ABI, 115f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor// which is used in GCC 3.2 and newer (and many compilers that are 125f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor// ABI-compatible with GCC): 135f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor// 145f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor// http://www.codesourcery.com/public/cxx-abi/abi.html 155f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor// 165f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor//===----------------------------------------------------------------------===// 1714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne#include "clang/AST/Mangle.h" 185f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor#include "clang/AST/ASTContext.h" 195f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor#include "clang/AST/Decl.h" 205f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor#include "clang/AST/DeclCXX.h" 21a40c5e4f6969c6e9c980e7506b6f0a9477808645Anders Carlsson#include "clang/AST/DeclObjC.h" 227a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson#include "clang/AST/DeclTemplate.h" 2350755b0dcc81eed9dcf27abe9162527013f26bd4Anders Carlsson#include "clang/AST/ExprCXX.h" 24f85e193739c953358c865005855253af4f68a497John McCall#include "clang/AST/ExprObjC.h" 25fb44de956f27875def889482b5393475060392afJohn McCall#include "clang/AST/TypeLoc.h" 2614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne#include "clang/Basic/ABI.h" 276ec3668a2608b63473207319f5ceff9bbd22ea51Douglas Gregor#include "clang/Basic/SourceManager.h" 284e274e955451632e6ba287bb03fb7a7840c3505eRafael Espindola#include "clang/Basic/TargetInfo.h" 29c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson#include "llvm/ADT/StringExtras.h" 305f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor#include "llvm/Support/raw_ostream.h" 31efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall#include "llvm/Support/ErrorHandling.h" 32f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson 33f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson#define MANGLE_CHECKER 0 34f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson 35f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson#if MANGLE_CHECKER 36f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson#include <cxxabi.h> 37f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson#endif 38f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson 395f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregorusing namespace clang; 40685b1d9e0d019c4ca2a2742cca287367af3d01e6Charles Davis 415f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregornamespace { 42570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian 43ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor/// \brief Retrieve the declaration context that should be used when mangling 44ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor/// the given declaration. 45ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregorstatic const DeclContext *getEffectiveDeclContext(const Decl *D) { 46ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor // The ABI assumes that lambda closure types that occur within 47ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor // default arguments live in the context of the function. However, due to 48ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor // the way in which Clang parses and creates function declarations, this is 49ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor // not the case: the lambda closure type ends up living in the context 50ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor // where the function itself resides, because the function declaration itself 51ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor // had not yet been created. Fix the context here. 52ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D)) { 53ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor if (RD->isLambda()) 54ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor if (ParmVarDecl *ContextParam 555878cbcfaa90b8515550db86033fd5a0efab971dDouglas Gregor = dyn_cast_or_null<ParmVarDecl>(RD->getLambdaContextDecl())) 56ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor return ContextParam->getDeclContext(); 57ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor } 58ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor 59ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor return D->getDeclContext(); 60ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor} 61ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor 62ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregorstatic const DeclContext *getEffectiveParentContext(const DeclContext *DC) { 63ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor return getEffectiveDeclContext(cast<Decl>(DC)); 64ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor} 65ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor 6682b7d7bc723051d8db4e21883e9072fe3ad99305John McCallstatic const CXXRecordDecl *GetLocalClassDecl(const NamedDecl *ND) { 6782b7d7bc723051d8db4e21883e9072fe3ad99305John McCall const DeclContext *DC = dyn_cast<DeclContext>(ND); 6882b7d7bc723051d8db4e21883e9072fe3ad99305John McCall if (!DC) 69ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor DC = getEffectiveDeclContext(ND); 7082b7d7bc723051d8db4e21883e9072fe3ad99305John McCall while (!DC->isNamespace() && !DC->isTranslationUnit()) { 71ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor const DeclContext *Parent = getEffectiveDeclContext(cast<Decl>(DC)); 72ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor if (isa<FunctionDecl>(Parent)) 7382b7d7bc723051d8db4e21883e9072fe3ad99305John McCall return dyn_cast<CXXRecordDecl>(DC); 74ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor DC = Parent; 75570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian } 76570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian return 0; 77570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian} 78570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian 79fb44de956f27875def889482b5393475060392afJohn McCallstatic const FunctionDecl *getStructor(const FunctionDecl *fn) { 80fb44de956f27875def889482b5393475060392afJohn McCall if (const FunctionTemplateDecl *ftd = fn->getPrimaryTemplate()) 81fb44de956f27875def889482b5393475060392afJohn McCall return ftd->getTemplatedDecl(); 82193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 83fb44de956f27875def889482b5393475060392afJohn McCall return fn; 84fb44de956f27875def889482b5393475060392afJohn McCall} 85193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 86fb44de956f27875def889482b5393475060392afJohn McCallstatic const NamedDecl *getStructor(const NamedDecl *decl) { 87fb44de956f27875def889482b5393475060392afJohn McCall const FunctionDecl *fn = dyn_cast_or_null<FunctionDecl>(decl); 88fb44de956f27875def889482b5393475060392afJohn McCall return (fn ? getStructor(fn) : decl); 897e120030a07ad8c4365526b1c5cd22a641297635Anders Carlsson} 90ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor 911dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCallstatic const unsigned UnknownArity = ~0U; 92193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 9314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourneclass ItaniumMangleContext : public MangleContext { 9414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne llvm::DenseMap<const TagDecl *, uint64_t> AnonStructIds; 9514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne unsigned Discriminator; 9614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne llvm::DenseMap<const NamedDecl*, unsigned> Uniquifier; 9714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 9814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournepublic: 9914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne explicit ItaniumMangleContext(ASTContext &Context, 100d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie DiagnosticsEngine &Diags) 10114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne : MangleContext(Context, Diags) { } 10214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 10314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne uint64_t getAnonymousStructId(const TagDecl *TD) { 10414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne std::pair<llvm::DenseMap<const TagDecl *, 10514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne uint64_t>::iterator, bool> Result = 10614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne AnonStructIds.insert(std::make_pair(TD, AnonStructIds.size())); 10714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return Result.first->second; 10814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne } 10914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 11014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne void startNewFunction() { 11114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne MangleContext::startNewFunction(); 11214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne mangleInitDiscriminator(); 11314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne } 11414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 11514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne /// @name Mangler Entry Points 11614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne /// @{ 11714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 11814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne bool shouldMangleDeclName(const NamedDecl *D); 1195f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner void mangleName(const NamedDecl *D, raw_ostream &); 12014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne void mangleThunk(const CXXMethodDecl *MD, 12114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne const ThunkInfo &Thunk, 1225f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &); 12314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne void mangleCXXDtorThunk(const CXXDestructorDecl *DD, CXXDtorType Type, 12414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne const ThisAdjustment &ThisAdjustment, 1255f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &); 12614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne void mangleReferenceTemporary(const VarDecl *D, 1275f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &); 12814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne void mangleCXXVTable(const CXXRecordDecl *RD, 1295f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &); 13014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne void mangleCXXVTT(const CXXRecordDecl *RD, 1315f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &); 13214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne void mangleCXXCtorVTable(const CXXRecordDecl *RD, int64_t Offset, 13314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne const CXXRecordDecl *Type, 1345f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &); 1355f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner void mangleCXXRTTI(QualType T, raw_ostream &); 1365f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner void mangleCXXRTTIName(QualType T, raw_ostream &); 13714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne void mangleCXXCtor(const CXXConstructorDecl *D, CXXCtorType Type, 1385f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &); 13914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne void mangleCXXDtor(const CXXDestructorDecl *D, CXXDtorType Type, 1405f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &); 14114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 1425f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner void mangleItaniumGuardVariable(const VarDecl *D, raw_ostream &); 14314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 14414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne void mangleInitDiscriminator() { 14514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne Discriminator = 0; 14614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne } 14714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 14814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne bool getNextDiscriminator(const NamedDecl *ND, unsigned &disc) { 1499e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor // Lambda closure types with external linkage (indicated by a 1509e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor // non-zero lambda mangling number) have their own numbering scheme, so 1519e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor // they do not need a discriminator. 1529e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(ND)) 1539e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor if (RD->isLambda() && RD->getLambdaManglingNumber() > 0) 1549e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor return false; 1559e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor 15614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne unsigned &discriminator = Uniquifier[ND]; 15714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne if (!discriminator) 15814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne discriminator = ++Discriminator; 15914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne if (discriminator == 1) 16014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return false; 16114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne disc = discriminator-2; 16214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return true; 16314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne } 16414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne /// @} 16514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne}; 16614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 1671b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar/// CXXNameMangler - Manage the mangling of a single name. 168c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbarclass CXXNameMangler { 16914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne ItaniumMangleContext &Context; 1705f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out; 1715f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 172fb44de956f27875def889482b5393475060392afJohn McCall /// The "structor" is the top-level declaration being mangled, if 173fb44de956f27875def889482b5393475060392afJohn McCall /// that's not a template specialization; otherwise it's the pattern 174fb44de956f27875def889482b5393475060392afJohn McCall /// for that specialization. 175fb44de956f27875def889482b5393475060392afJohn McCall const NamedDecl *Structor; 1761b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar unsigned StructorType; 177193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1789d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson /// SeqID - The next subsitution sequence number. 1799d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson unsigned SeqID; 1809d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson 181fb44de956f27875def889482b5393475060392afJohn McCall class FunctionTypeDepthState { 182fb44de956f27875def889482b5393475060392afJohn McCall unsigned Bits; 183fb44de956f27875def889482b5393475060392afJohn McCall 184fb44de956f27875def889482b5393475060392afJohn McCall enum { InResultTypeMask = 1 }; 185fb44de956f27875def889482b5393475060392afJohn McCall 186fb44de956f27875def889482b5393475060392afJohn McCall public: 187fb44de956f27875def889482b5393475060392afJohn McCall FunctionTypeDepthState() : Bits(0) {} 188fb44de956f27875def889482b5393475060392afJohn McCall 189fb44de956f27875def889482b5393475060392afJohn McCall /// The number of function types we're inside. 190fb44de956f27875def889482b5393475060392afJohn McCall unsigned getDepth() const { 191fb44de956f27875def889482b5393475060392afJohn McCall return Bits >> 1; 192fb44de956f27875def889482b5393475060392afJohn McCall } 193fb44de956f27875def889482b5393475060392afJohn McCall 194fb44de956f27875def889482b5393475060392afJohn McCall /// True if we're in the return type of the innermost function type. 195fb44de956f27875def889482b5393475060392afJohn McCall bool isInResultType() const { 196fb44de956f27875def889482b5393475060392afJohn McCall return Bits & InResultTypeMask; 197fb44de956f27875def889482b5393475060392afJohn McCall } 198fb44de956f27875def889482b5393475060392afJohn McCall 199fb44de956f27875def889482b5393475060392afJohn McCall FunctionTypeDepthState push() { 200fb44de956f27875def889482b5393475060392afJohn McCall FunctionTypeDepthState tmp = *this; 201fb44de956f27875def889482b5393475060392afJohn McCall Bits = (Bits & ~InResultTypeMask) + 2; 202fb44de956f27875def889482b5393475060392afJohn McCall return tmp; 203fb44de956f27875def889482b5393475060392afJohn McCall } 204fb44de956f27875def889482b5393475060392afJohn McCall 205fb44de956f27875def889482b5393475060392afJohn McCall void enterResultType() { 206fb44de956f27875def889482b5393475060392afJohn McCall Bits |= InResultTypeMask; 207fb44de956f27875def889482b5393475060392afJohn McCall } 208fb44de956f27875def889482b5393475060392afJohn McCall 209fb44de956f27875def889482b5393475060392afJohn McCall void leaveResultType() { 210fb44de956f27875def889482b5393475060392afJohn McCall Bits &= ~InResultTypeMask; 211fb44de956f27875def889482b5393475060392afJohn McCall } 212fb44de956f27875def889482b5393475060392afJohn McCall 213fb44de956f27875def889482b5393475060392afJohn McCall void pop(FunctionTypeDepthState saved) { 214fb44de956f27875def889482b5393475060392afJohn McCall assert(getDepth() == saved.getDepth() + 1); 215fb44de956f27875def889482b5393475060392afJohn McCall Bits = saved.Bits; 216fb44de956f27875def889482b5393475060392afJohn McCall } 217fb44de956f27875def889482b5393475060392afJohn McCall 218fb44de956f27875def889482b5393475060392afJohn McCall } FunctionTypeDepth; 219fb44de956f27875def889482b5393475060392afJohn McCall 2201b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar llvm::DenseMap<uintptr_t, unsigned> Substitutions; 2213c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 2221dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall ASTContext &getASTContext() const { return Context.getASTContext(); } 2231dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 224c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbarpublic: 2255f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner CXXNameMangler(ItaniumMangleContext &C, raw_ostream &Out_, 226fb44de956f27875def889482b5393475060392afJohn McCall const NamedDecl *D = 0) 227fb44de956f27875def889482b5393475060392afJohn McCall : Context(C), Out(Out_), Structor(getStructor(D)), StructorType(0), 228fb44de956f27875def889482b5393475060392afJohn McCall SeqID(0) { 229fb44de956f27875def889482b5393475060392afJohn McCall // These can't be mangled without a ctor type or dtor type. 230fb44de956f27875def889482b5393475060392afJohn McCall assert(!D || (!isa<CXXDestructorDecl>(D) && 231fb44de956f27875def889482b5393475060392afJohn McCall !isa<CXXConstructorDecl>(D))); 232fb44de956f27875def889482b5393475060392afJohn McCall } 2335f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner CXXNameMangler(ItaniumMangleContext &C, raw_ostream &Out_, 23477939c995da4ec0ed6c7e5bc8afa901d8cea9001Daniel Dunbar const CXXConstructorDecl *D, CXXCtorType Type) 235c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola : Context(C), Out(Out_), Structor(getStructor(D)), StructorType(Type), 236fb44de956f27875def889482b5393475060392afJohn McCall SeqID(0) { } 2375f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner CXXNameMangler(ItaniumMangleContext &C, raw_ostream &Out_, 23877939c995da4ec0ed6c7e5bc8afa901d8cea9001Daniel Dunbar const CXXDestructorDecl *D, CXXDtorType Type) 239c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola : Context(C), Out(Out_), Structor(getStructor(D)), StructorType(Type), 240fb44de956f27875def889482b5393475060392afJohn McCall SeqID(0) { } 2413ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson 242f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson#if MANGLE_CHECKER 243f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson ~CXXNameMangler() { 244f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson if (Out.str()[0] == '\01') 245f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson return; 246193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 247f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson int status = 0; 248f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson char *result = abi::__cxa_demangle(Out.str().str().c_str(), 0, 0, &status); 249f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson assert(status == 0 && "Could not demangle mangled name!"); 250f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson free(result); 251f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson } 252f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson#endif 2535f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &getStream() { return Out; } 254c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar 2555f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner void mangle(const NamedDecl *D, StringRef Prefix = "_Z"); 25619879c98d964bc67442618510af04e3457219780Anders Carlsson void mangleCallOffset(int64_t NonVirtual, int64_t Virtual); 2570512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall void mangleNumber(const llvm::APSInt &I); 258a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson void mangleNumber(int64_t Number); 2590512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall void mangleFloat(const llvm::APFloat &F); 260c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar void mangleFunctionEncoding(const FunctionDecl *FD); 261c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar void mangleName(const NamedDecl *ND); 262c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar void mangleType(QualType T); 2631b12a3bb4d4c0db74fc97be724beefec7366b460Douglas Gregor void mangleNameOrStandardSubstitution(const NamedDecl *ND); 2641b12a3bb4d4c0db74fc97be724beefec7366b460Douglas Gregor 265c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbarprivate: 2661b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar bool mangleSubstitution(const NamedDecl *ND); 2671b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar bool mangleSubstitution(QualType T); 2681e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor bool mangleSubstitution(TemplateName Template); 2691b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar bool mangleSubstitution(uintptr_t Ptr); 2703c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 27168a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall void mangleExistingSubstitution(QualType type); 27268a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall void mangleExistingSubstitution(TemplateName name); 27368a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall 2741b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar bool mangleStandardSubstitution(const NamedDecl *ND); 275433d1374409a8eeaa4b0975fa187a542d5e40c23Anders Carlsson 2761b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void addSubstitution(const NamedDecl *ND) { 2771b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar ND = cast<NamedDecl>(ND->getCanonicalDecl()); 278efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall 2791b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar addSubstitution(reinterpret_cast<uintptr_t>(ND)); 2801b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar } 2811b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void addSubstitution(QualType T); 2821e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor void addSubstitution(TemplateName Template); 2831b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void addSubstitution(uintptr_t Ptr); 2841b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar 285a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall void mangleUnresolvedPrefix(NestedNameSpecifier *qualifier, 286a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall NamedDecl *firstQualifierLookup, 287a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall bool recursive = false); 288a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall void mangleUnresolvedName(NestedNameSpecifier *qualifier, 289a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall NamedDecl *firstQualifierLookup, 290a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall DeclarationName name, 2911dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall unsigned KnownArity = UnknownArity); 2921dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 2931b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleName(const TemplateDecl *TD, 2941b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar const TemplateArgument *TemplateArgs, 2951b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar unsigned NumTemplateArgs); 2961dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall void mangleUnqualifiedName(const NamedDecl *ND) { 2971dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall mangleUnqualifiedName(ND, ND->getDeclName(), UnknownArity); 2981dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 2991dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall void mangleUnqualifiedName(const NamedDecl *ND, DeclarationName Name, 3001dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall unsigned KnownArity); 3011b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleUnscopedName(const NamedDecl *ND); 3021b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleUnscopedTemplateName(const TemplateDecl *ND); 3031e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor void mangleUnscopedTemplateName(TemplateName); 3041b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleSourceName(const IdentifierInfo *II); 3051b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleLocalName(const NamedDecl *ND); 306ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor void mangleLambda(const CXXRecordDecl *Lambda); 307570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian void mangleNestedName(const NamedDecl *ND, const DeclContext *DC, 308570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian bool NoFunction=false); 3091b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleNestedName(const TemplateDecl *TD, 3101b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar const TemplateArgument *TemplateArgs, 3111b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar unsigned NumTemplateArgs); 312a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall void manglePrefix(NestedNameSpecifier *qualifier); 313570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian void manglePrefix(const DeclContext *DC, bool NoFunction=false); 3144f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall void manglePrefix(QualType type); 3151b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleTemplatePrefix(const TemplateDecl *ND); 31620f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor void mangleTemplatePrefix(TemplateName Template); 3171b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleOperatorName(OverloadedOperatorKind OO, unsigned Arity); 3181b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleQualifiers(Qualifiers Quals); 3190a9a6d68979619a621fedc5089674487f720f765Douglas Gregor void mangleRefQualifier(RefQualifierKind RefQualifier); 3201b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar 3217b06f6c20e124afa4d1fde85b1dd721462f2d912Anders Carlsson void mangleObjCMethodName(const ObjCMethodDecl *MD); 322193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 3231b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar // Declare manglers for every type class. 324efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall#define ABSTRACT_TYPE(CLASS, PARENT) 325efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall#define NON_CANONICAL_TYPE(CLASS, PARENT) 326efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall#define TYPE(CLASS, PARENT) void mangleType(const CLASS##Type *T); 327efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall#include "clang/AST/TypeNodes.def" 328efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall 3291b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleType(const TagType*); 330b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall void mangleType(TemplateName); 3311b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleBareFunctionType(const FunctionType *T, 3321b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar bool MangleReturnType); 33357147a8615bca96e067975fe931baf5d741876a4Bob Wilson void mangleNeonVectorType(const VectorType *T); 334e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson 335e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson void mangleIntegerLiteral(QualType T, const llvm::APSInt &Value); 336a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall void mangleMemberExpr(const Expr *base, bool isArrow, 337a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall NestedNameSpecifier *qualifier, 338a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall NamedDecl *firstQualifierLookup, 339a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall DeclarationName name, 340a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall unsigned knownArity); 3415e1e89b8af283af34943a477dc6378f1a641df26John McCall void mangleExpression(const Expr *E, unsigned Arity = UnknownArity); 3421b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleCXXCtorType(CXXCtorType T); 3431b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleCXXDtorType(CXXDtorType T); 3441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 345b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis void mangleTemplateArgs(const ASTTemplateArgumentListInfo &TemplateArgs); 34620f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor void mangleTemplateArgs(TemplateName Template, 34720f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor const TemplateArgument *TemplateArgs, 348c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt unsigned NumTemplateArgs); 349d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola void mangleTemplateArgs(const TemplateParameterList &PL, 350d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola const TemplateArgument *TemplateArgs, 3511b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar unsigned NumTemplateArgs); 352d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola void mangleTemplateArgs(const TemplateParameterList &PL, 353d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola const TemplateArgumentList &AL); 354f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor void mangleTemplateArg(const NamedDecl *P, TemplateArgument A); 3554f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall void mangleUnresolvedTemplateArgs(const TemplateArgument *args, 3564f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall unsigned numArgs); 3573c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 3581b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleTemplateParameter(unsigned Index); 359fb44de956f27875def889482b5393475060392afJohn McCall 360fb44de956f27875def889482b5393475060392afJohn McCall void mangleFunctionParam(const ParmVarDecl *parm); 3611b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar}; 36214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 3635f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 3645f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 36543f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlssonstatic bool isInCLinkageSpecification(const Decl *D) { 366457e2815d43fa68f7ff7cd2f7e9d1bf7b6fdc653Douglas Gregor D = D->getCanonicalDecl(); 367ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor for (const DeclContext *DC = getEffectiveDeclContext(D); 368ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor !DC->isTranslationUnit(); DC = getEffectiveParentContext(DC)) { 3691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC)) 37043f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlsson return Linkage->getLanguage() == LinkageSpecDecl::lang_c; 371ca3f25c1fb9bbf0d807985baee460670b7f195b4Chris Lattner } 3721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37343f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlsson return false; 37443f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlsson} 3755f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 37614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournebool ItaniumMangleContext::shouldMangleDeclName(const NamedDecl *D) { 377f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar // In C, functions with no attributes never need to be mangled. Fastpath them. 3784e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (!getASTContext().getLangOpts().CPlusPlus && !D->hasAttrs()) 379f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar return false; 380f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar 381f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar // Any decl can be declared with __asm("foo") on it, and this takes precedence 382f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar // over all other naming in the .o file. 383f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar if (D->hasAttr<AsmLabelAttr>()) 384f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar return true; 385f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar 386141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // Clang's "overloadable" attribute extension to C/C++ implies name mangling 387a1e1622d1549c470acc999c4399456863e58a011Anders Carlsson // (always) as does passing a C++ member function and a function 388a1e1622d1549c470acc999c4399456863e58a011Anders Carlsson // whose name is not a simple identifier. 389f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar const FunctionDecl *FD = dyn_cast<FunctionDecl>(D); 390f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar if (FD && (FD->hasAttr<OverloadableAttr>() || isa<CXXMethodDecl>(FD) || 391f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar !FD->getDeclName().isIdentifier())) 392f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar return true; 3931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 394f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar // Otherwise, no mangling is done outside C++ mode. 3954e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (!getASTContext().getLangOpts().CPlusPlus) 396f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar return false; 3971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39831455256ae26cc7069111643ec4429ea564377daSean Hunt // Variables at global scope with non-internal linkage are not mangled 3997facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman if (!FD) { 400ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor const DeclContext *DC = getEffectiveDeclContext(D); 4017facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman // Check for extern variable declared locally. 402e81c5619f11e1ececf99ff30d15e5abfb6ea0c28Fariborz Jahanian if (DC->isFunctionOrMethod() && D->hasLinkage()) 4037facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman while (!DC->isNamespace() && !DC->isTranslationUnit()) 404ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor DC = getEffectiveParentContext(DC); 4050b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (DC->isTranslationUnit() && D->getLinkage() != InternalLinkage) 4067facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman return false; 4077facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman } 4087facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman 409c00cb6409307846a9bbcd86d307a1a91aab659d0Eli Friedman // Class members are always mangled. 410ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor if (getEffectiveDeclContext(D)->isRecord()) 411c00cb6409307846a9bbcd86d307a1a91aab659d0Eli Friedman return true; 412c00cb6409307846a9bbcd86d307a1a91aab659d0Eli Friedman 4137facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman // C functions and "main" are not mangled. 4147facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman if ((FD && FD->isMain()) || isInCLinkageSpecification(D)) 415f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar return false; 4165f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 417bc7a0299e4b9d6f669726976d00a08f47f03aa3fChris Lattner return true; 4185f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 4195f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 4205f9e272e632e951b1efe824cd16acb4d96077930Chris Lattnervoid CXXNameMangler::mangle(const NamedDecl *D, StringRef Prefix) { 421141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // Any decl can be declared with __asm("foo") on it, and this takes precedence 422141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // over all other naming in the .o file. 42340b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (const AsmLabelAttr *ALA = D->getAttr<AsmLabelAttr>()) { 42443f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlsson // If we have an asm name, then we use it as the mangling. 4254e274e955451632e6ba287bb03fb7a7840c3505eRafael Espindola 4264e274e955451632e6ba287bb03fb7a7840c3505eRafael Espindola // Adding the prefix can cause problems when one file has a "foo" and 4274e274e955451632e6ba287bb03fb7a7840c3505eRafael Espindola // another has a "\01foo". That is known to happen on ELF with the 4284e274e955451632e6ba287bb03fb7a7840c3505eRafael Espindola // tricks normally used for producing aliases (PR9177). Fortunately the 4294e274e955451632e6ba287bb03fb7a7840c3505eRafael Espindola // llvm mangler on ELF is a nop, so we can just avoid adding the \01 4306931743e29845d66d919a83db5a7b734f57ffdf2Peter Collingbourne // marker. We also avoid adding the marker if this is an alias for an 4316931743e29845d66d919a83db5a7b734f57ffdf2Peter Collingbourne // LLVM intrinsic. 4325f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef UserLabelPrefix = 433bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor getASTContext().getTargetInfo().getUserLabelPrefix(); 4346931743e29845d66d919a83db5a7b734f57ffdf2Peter Collingbourne if (!UserLabelPrefix.empty() && !ALA->getLabel().startswith("llvm.")) 4354e274e955451632e6ba287bb03fb7a7840c3505eRafael Espindola Out << '\01'; // LLVM IR Marker for __asm("foo") 4364e274e955451632e6ba287bb03fb7a7840c3505eRafael Espindola 43743f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlsson Out << ALA->getLabel(); 438f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar return; 43943f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlsson } 4401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44131455256ae26cc7069111643ec4429ea564377daSean Hunt // <mangled-name> ::= _Z <encoding> 44243f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlsson // ::= <data name> 44343f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlsson // ::= <special-name> 4447e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar Out << Prefix; 4457e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) 446f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar mangleFunctionEncoding(FD); 447d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola else if (const VarDecl *VD = dyn_cast<VarDecl>(D)) 448d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangleName(VD); 4497e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar else 450d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangleName(cast<FieldDecl>(D)); 45143f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlsson} 45243f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlsson 4535f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregorvoid CXXNameMangler::mangleFunctionEncoding(const FunctionDecl *FD) { 4545f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // <encoding> ::= <function name> <bare-function-type> 4555f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor mangleName(FD); 4561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4577e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar // Don't mangle in the type if this isn't a decl we should typically mangle. 4587e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar if (!Context.shouldMangleDeclName(FD)) 4597e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar return; 4607e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar 461141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // Whether the mangling of a function type includes the return type depends on 462141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // the context and the nature of the function. The rules for deciding whether 463141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // the return type is included are: 4641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // 4651fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor // 1. Template functions (names or types) have return types encoded, with 4661fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor // the exceptions listed below. 4671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // 2. Function types not appearing as part of a function name mangling, 4681fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor // e.g. parameters, pointer types, etc., have return type encoded, with the 4691fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor // exceptions listed below. 4701fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor // 3. Non-template function names do not have return types encoded. 4711fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor // 472141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // The exceptions mentioned in (1) and (2) above, for which the return type is 473141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // never included, are 4741fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor // 1. Constructors. 4751fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor // 2. Destructors. 4761fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor // 3. Conversion operator functions, e.g. operator int. 4771fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor bool MangleReturnType = false; 4789234b7ff2bb99479fb97d5faa181a55aacf28b78Anders Carlsson if (FunctionTemplateDecl *PrimaryTemplate = FD->getPrimaryTemplate()) { 4799234b7ff2bb99479fb97d5faa181a55aacf28b78Anders Carlsson if (!(isa<CXXConstructorDecl>(FD) || isa<CXXDestructorDecl>(FD) || 4809234b7ff2bb99479fb97d5faa181a55aacf28b78Anders Carlsson isa<CXXConversionDecl>(FD))) 4819234b7ff2bb99479fb97d5faa181a55aacf28b78Anders Carlsson MangleReturnType = true; 4823c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 4839234b7ff2bb99479fb97d5faa181a55aacf28b78Anders Carlsson // Mangle the type of the primary template. 4849234b7ff2bb99479fb97d5faa181a55aacf28b78Anders Carlsson FD = PrimaryTemplate->getTemplatedDecl(); 4859234b7ff2bb99479fb97d5faa181a55aacf28b78Anders Carlsson } 4869234b7ff2bb99479fb97d5faa181a55aacf28b78Anders Carlsson 48779e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor mangleBareFunctionType(FD->getType()->getAs<FunctionType>(), 48879e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor MangleReturnType); 4895f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 4905f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 49147846d2b4c19972e57563bb05a777748939bfb47Anders Carlssonstatic const DeclContext *IgnoreLinkageSpecDecls(const DeclContext *DC) { 49247846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson while (isa<LinkageSpecDecl>(DC)) { 493ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor DC = getEffectiveParentContext(DC); 49447846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson } 495193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 49647846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson return DC; 49747846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson} 49847846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson 499c820f90ff1a2c6e3e8b859355541c32f31d3cb8eAnders Carlsson/// isStd - Return whether a given namespace is the 'std' namespace. 500c820f90ff1a2c6e3e8b859355541c32f31d3cb8eAnders Carlssonstatic bool isStd(const NamespaceDecl *NS) { 501ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor if (!IgnoreLinkageSpecDecls(getEffectiveParentContext(NS)) 502ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor ->isTranslationUnit()) 503c820f90ff1a2c6e3e8b859355541c32f31d3cb8eAnders Carlsson return false; 504c820f90ff1a2c6e3e8b859355541c32f31d3cb8eAnders Carlsson 505c820f90ff1a2c6e3e8b859355541c32f31d3cb8eAnders Carlsson const IdentifierInfo *II = NS->getOriginalNamespace()->getIdentifier(); 506c820f90ff1a2c6e3e8b859355541c32f31d3cb8eAnders Carlsson return II && II->isStr("std"); 507c820f90ff1a2c6e3e8b859355541c32f31d3cb8eAnders Carlsson} 508c820f90ff1a2c6e3e8b859355541c32f31d3cb8eAnders Carlsson 50947846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson// isStdNamespace - Return whether a given decl context is a toplevel 'std' 51047846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson// namespace. 5111308af913ecd176341caa506d8dfb637e1b25486Daniel Dunbarstatic bool isStdNamespace(const DeclContext *DC) { 51247846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson if (!DC->isNamespace()) 51347846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson return false; 514193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 51547846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson return isStd(cast<NamespaceDecl>(DC)); 5161308af913ecd176341caa506d8dfb637e1b25486Daniel Dunbar} 5171308af913ecd176341caa506d8dfb637e1b25486Daniel Dunbar 518bb36ba488b7c6185546f8696447530ebfd296df7Anders Carlssonstatic const TemplateDecl * 519bb36ba488b7c6185546f8696447530ebfd296df7Anders CarlssonisTemplate(const NamedDecl *ND, const TemplateArgumentList *&TemplateArgs) { 5202744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson // Check if we have a function template. 5212744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(ND)){ 522bb36ba488b7c6185546f8696447530ebfd296df7Anders Carlsson if (const TemplateDecl *TD = FD->getPrimaryTemplate()) { 5232744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson TemplateArgs = FD->getTemplateSpecializationArgs(); 524bb36ba488b7c6185546f8696447530ebfd296df7Anders Carlsson return TD; 5252744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson } 5262744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson } 5272744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson 528eafc6dcf670070812a99fcc6db21945a786d9829Anders Carlsson // Check if we have a class template. 529eafc6dcf670070812a99fcc6db21945a786d9829Anders Carlsson if (const ClassTemplateSpecializationDecl *Spec = 530eafc6dcf670070812a99fcc6db21945a786d9829Anders Carlsson dyn_cast<ClassTemplateSpecializationDecl>(ND)) { 531eafc6dcf670070812a99fcc6db21945a786d9829Anders Carlsson TemplateArgs = &Spec->getTemplateArgs(); 532bb36ba488b7c6185546f8696447530ebfd296df7Anders Carlsson return Spec->getSpecializedTemplate(); 533eafc6dcf670070812a99fcc6db21945a786d9829Anders Carlsson } 5343c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 5352744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson return 0; 5362744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson} 5372744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson 5385f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregorvoid CXXNameMangler::mangleName(const NamedDecl *ND) { 5395f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // <name> ::= <nested-name> 5405f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= <unscoped-name> 5415f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= <unscoped-template-name> <template-args> 542201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson // ::= <local-name> 5435f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // 544ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor const DeclContext *DC = getEffectiveDeclContext(ND); 545193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 5467facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman // If this is an extern variable declared locally, the relevant DeclContext 5477facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman // is that of the containing namespace, or the translation unit. 5487facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman if (isa<FunctionDecl>(DC) && ND->hasLinkage()) 5497facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman while (!DC->isNamespace() && !DC->isTranslationUnit()) 550ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor DC = getEffectiveParentContext(DC); 55182b7d7bc723051d8db4e21883e9072fe3ad99305John McCall else if (GetLocalClassDecl(ND)) { 55282b7d7bc723051d8db4e21883e9072fe3ad99305John McCall mangleLocalName(ND); 55382b7d7bc723051d8db4e21883e9072fe3ad99305John McCall return; 55482b7d7bc723051d8db4e21883e9072fe3ad99305John McCall } 5557facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman 556b3c312ce4d94a037a83ba6df6650b0317b15edd1James Molloy DC = IgnoreLinkageSpecDecls(DC); 5573c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 558d58d6f778de936516d8815783f2e88348c41dce4Anders Carlsson if (DC->isTranslationUnit() || isStdNamespace(DC)) { 5592744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson // Check if we have a template. 5602744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson const TemplateArgumentList *TemplateArgs = 0; 5610fa6df440023a95d8b47c79111e8613fc29f723bAnders Carlsson if (const TemplateDecl *TD = isTemplate(ND, TemplateArgs)) { 5622744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson mangleUnscopedTemplateName(TD); 563d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola TemplateParameterList *TemplateParameters = TD->getTemplateParameters(); 564d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangleTemplateArgs(*TemplateParameters, *TemplateArgs); 5652744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson return; 5667482e247163978792654ca1a99913e19dd507e0aAnders Carlsson } 5677482e247163978792654ca1a99913e19dd507e0aAnders Carlsson 5687482e247163978792654ca1a99913e19dd507e0aAnders Carlsson mangleUnscopedName(ND); 5697482e247163978792654ca1a99913e19dd507e0aAnders Carlsson return; 5707482e247163978792654ca1a99913e19dd507e0aAnders Carlsson } 5713c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 5727b06f6c20e124afa4d1fde85b1dd721462f2d912Anders Carlsson if (isa<FunctionDecl>(DC) || isa<ObjCMethodDecl>(DC)) { 5731b42c794481f6f958267e4ba913d74fef43161f6Anders Carlsson mangleLocalName(ND); 5747482e247163978792654ca1a99913e19dd507e0aAnders Carlsson return; 5757482e247163978792654ca1a99913e19dd507e0aAnders Carlsson } 5763c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 5777facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman mangleNestedName(ND, DC); 5785f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 5793c9e463762243affcb0223d853ba10e07e321747Daniel Dunbarvoid CXXNameMangler::mangleName(const TemplateDecl *TD, 5807624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson const TemplateArgument *TemplateArgs, 5817624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson unsigned NumTemplateArgs) { 582ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor const DeclContext *DC = IgnoreLinkageSpecDecls(getEffectiveDeclContext(TD)); 5833c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 5847624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson if (DC->isTranslationUnit() || isStdNamespace(DC)) { 5850fa6df440023a95d8b47c79111e8613fc29f723bAnders Carlsson mangleUnscopedTemplateName(TD); 586d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola TemplateParameterList *TemplateParameters = TD->getTemplateParameters(); 587d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangleTemplateArgs(*TemplateParameters, TemplateArgs, NumTemplateArgs); 5887624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson } else { 5897624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson mangleNestedName(TD, TemplateArgs, NumTemplateArgs); 5907624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson } 5917624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson} 5927624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson 593201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlssonvoid CXXNameMangler::mangleUnscopedName(const NamedDecl *ND) { 594201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson // <unscoped-name> ::= <unqualified-name> 595201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson // ::= St <unqualified-name> # ::std:: 596b3c312ce4d94a037a83ba6df6650b0317b15edd1James Molloy 597b3c312ce4d94a037a83ba6df6650b0317b15edd1James Molloy if (isStdNamespace(IgnoreLinkageSpecDecls(getEffectiveDeclContext(ND)))) 598201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson Out << "St"; 5993c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 600201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson mangleUnqualifiedName(ND); 601201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson} 602201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson 6030fa6df440023a95d8b47c79111e8613fc29f723bAnders Carlssonvoid CXXNameMangler::mangleUnscopedTemplateName(const TemplateDecl *ND) { 604201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson // <unscoped-template-name> ::= <unscoped-name> 605201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson // ::= <substitution> 6067624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson if (mangleSubstitution(ND)) 60703c9d530dbdcbb00b0b1ac0abced5dcce2e21408Anders Carlsson return; 6083c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 60932fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor // <template-template-param> ::= <template-param> 61032fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor if (const TemplateTemplateParmDecl *TTP 61132fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor = dyn_cast<TemplateTemplateParmDecl>(ND)) { 61232fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor mangleTemplateParameter(TTP->getIndex()); 61332fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor return; 614193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam } 61532fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor 6161668f2062b237ddb137f5d16388b3dea49651f85Anders Carlsson mangleUnscopedName(ND->getTemplatedDecl()); 6177624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson addSubstitution(ND); 618201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson} 619201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson 6201e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregorvoid CXXNameMangler::mangleUnscopedTemplateName(TemplateName Template) { 6211e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor // <unscoped-template-name> ::= <unscoped-name> 6221e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor // ::= <substitution> 6231e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor if (TemplateDecl *TD = Template.getAsTemplateDecl()) 6241e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor return mangleUnscopedTemplateName(TD); 625c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 6261e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor if (mangleSubstitution(Template)) 6271e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor return; 6281e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor 6291e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor DependentTemplateName *Dependent = Template.getAsDependentTemplateName(); 6301e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor assert(Dependent && "Not a dependent template name?"); 6311961791626ab0ebbd8bf901a37476d527def4edbDouglas Gregor if (const IdentifierInfo *Id = Dependent->getIdentifier()) 6321961791626ab0ebbd8bf901a37476d527def4edbDouglas Gregor mangleSourceName(Id); 6331961791626ab0ebbd8bf901a37476d527def4edbDouglas Gregor else 6341961791626ab0ebbd8bf901a37476d527def4edbDouglas Gregor mangleOperatorName(Dependent->getOperator(), UnknownArity); 635c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 6361e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor addSubstitution(Template); 6371e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor} 6381e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor 6391b6005285e234bc30698917b2d3abb2f1f98bc77John McCallvoid CXXNameMangler::mangleFloat(const llvm::APFloat &f) { 6401b6005285e234bc30698917b2d3abb2f1f98bc77John McCall // ABI: 6411b6005285e234bc30698917b2d3abb2f1f98bc77John McCall // Floating-point literals are encoded using a fixed-length 6421b6005285e234bc30698917b2d3abb2f1f98bc77John McCall // lowercase hexadecimal string corresponding to the internal 6431b6005285e234bc30698917b2d3abb2f1f98bc77John McCall // representation (IEEE on Itanium), high-order bytes first, 6441b6005285e234bc30698917b2d3abb2f1f98bc77John McCall // without leading zeroes. For example: "Lf bf800000 E" is -1.0f 6451b6005285e234bc30698917b2d3abb2f1f98bc77John McCall // on Itanium. 6460c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall // The 'without leading zeroes' thing seems to be an editorial 6470c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall // mistake; see the discussion on cxx-abi-dev beginning on 6480c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall // 2012-01-16. 6490c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall 6500c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall // Our requirements here are just barely wierd enough to justify 6510c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall // using a custom algorithm instead of post-processing APInt::toString(). 6520c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall 6530c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall llvm::APInt valueBits = f.bitcastToAPInt(); 6540c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall unsigned numCharacters = (valueBits.getBitWidth() + 3) / 4; 6550c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall assert(numCharacters != 0); 6560c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall 6570c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall // Allocate a buffer of the right number of characters. 6580c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall llvm::SmallVector<char, 20> buffer; 6590c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall buffer.set_size(numCharacters); 6600c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall 6610c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall // Fill the buffer left-to-right. 6620c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall for (unsigned stringIndex = 0; stringIndex != numCharacters; ++stringIndex) { 6630c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall // The bit-index of the next hex digit. 6640c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall unsigned digitBitIndex = 4 * (numCharacters - stringIndex - 1); 6650c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall 6660c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall // Project out 4 bits starting at 'digitIndex'. 6670c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall llvm::integerPart hexDigit 6680c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall = valueBits.getRawData()[digitBitIndex / llvm::integerPartWidth]; 6690c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall hexDigit >>= (digitBitIndex % llvm::integerPartWidth); 6700c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall hexDigit &= 0xF; 6710c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall 6720c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall // Map that over to a lowercase hex digit. 6730c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall static const char charForHex[16] = { 6740c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall '0', '1', '2', '3', '4', '5', '6', '7', 6750c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' 6760c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall }; 6770c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall buffer[stringIndex] = charForHex[hexDigit]; 6780c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall } 6791b6005285e234bc30698917b2d3abb2f1f98bc77John McCall 6800c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall Out.write(buffer.data(), numCharacters); 6810512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall} 6820512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 6830512e48ea1664dd0d3af0dd29bb46bbded040d56John McCallvoid CXXNameMangler::mangleNumber(const llvm::APSInt &Value) { 6840512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall if (Value.isSigned() && Value.isNegative()) { 6850512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << 'n'; 6860512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Value.abs().print(Out, true); 6870512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } else 6880512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Value.print(Out, Value.isSigned()); 6890512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall} 6900512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 691a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlssonvoid CXXNameMangler::mangleNumber(int64_t Number) { 692a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson // <number> ::= [n] <non-negative decimal integer> 693a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson if (Number < 0) { 694a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson Out << 'n'; 695a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson Number = -Number; 696a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson } 697193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 698a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson Out << Number; 699a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson} 700a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson 70119879c98d964bc67442618510af04e3457219780Anders Carlssonvoid CXXNameMangler::mangleCallOffset(int64_t NonVirtual, int64_t Virtual) { 702141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // <call-offset> ::= h <nv-offset> _ 703141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // ::= v <v-offset> _ 704141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // <nv-offset> ::= <offset number> # non-virtual base override 705a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson // <v-offset> ::= <offset number> _ <virtual offset number> 706141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // # virtual base override, with vcall offset 70719879c98d964bc67442618510af04e3457219780Anders Carlsson if (!Virtual) { 708a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson Out << 'h'; 70919879c98d964bc67442618510af04e3457219780Anders Carlsson mangleNumber(NonVirtual); 710a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson Out << '_'; 711a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson return; 712141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump } 713193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 714a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson Out << 'v'; 71519879c98d964bc67442618510af04e3457219780Anders Carlsson mangleNumber(NonVirtual); 716a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson Out << '_'; 71719879c98d964bc67442618510af04e3457219780Anders Carlsson mangleNumber(Virtual); 718a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson Out << '_'; 7199124bccde8e4b3531474b108d74720feac898d75Mike Stump} 7209124bccde8e4b3531474b108d74720feac898d75Mike Stump 7214f4e413f282609d4a488b44fc8669c28636a7abaJohn McCallvoid CXXNameMangler::manglePrefix(QualType type) { 722a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall if (const TemplateSpecializationType *TST = 723a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall type->getAs<TemplateSpecializationType>()) { 724a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall if (!mangleSubstitution(QualType(TST, 0))) { 725a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleTemplatePrefix(TST->getTemplateName()); 726a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 727a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // FIXME: GCC does not appear to mangle the template arguments when 728a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // the template in question is a dependent template name. Should we 729a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // emulate that badness? 730a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleTemplateArgs(TST->getTemplateName(), TST->getArgs(), 731a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall TST->getNumArgs()); 732a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall addSubstitution(QualType(TST, 0)); 733a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } 734a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } else if (const DependentTemplateSpecializationType *DTST 735a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall = type->getAs<DependentTemplateSpecializationType>()) { 736a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall TemplateName Template 737a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall = getASTContext().getDependentTemplateName(DTST->getQualifier(), 738a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall DTST->getIdentifier()); 739a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleTemplatePrefix(Template); 740a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 741a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // FIXME: GCC does not appear to mangle the template arguments when 742a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // the template in question is a dependent template name. Should we 743a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // emulate that badness? 744a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleTemplateArgs(Template, DTST->getArgs(), DTST->getNumArgs()); 745a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } else { 746a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // We use the QualType mangle type variant here because it handles 747a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // substitutions. 748a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleType(type); 749a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } 750a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall} 751a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 752a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall/// Mangle everything prior to the base-unresolved-name in an unresolved-name. 753a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall/// 754a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall/// \param firstQualifierLookup - the entity found by unqualified lookup 755a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall/// for the first name in the qualifier, if this is for a member expression 756a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall/// \param recursive - true if this is being called recursively, 757a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall/// i.e. if there is more prefix "to the right". 758a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCallvoid CXXNameMangler::mangleUnresolvedPrefix(NestedNameSpecifier *qualifier, 759a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall NamedDecl *firstQualifierLookup, 760a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall bool recursive) { 761a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 762a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // x, ::x 763a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // <unresolved-name> ::= [gs] <base-unresolved-name> 764a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 765a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // T::x / decltype(p)::x 766a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // <unresolved-name> ::= sr <unresolved-type> <base-unresolved-name> 767a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 768a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // T::N::x /decltype(p)::N::x 769a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // <unresolved-name> ::= srN <unresolved-type> <unresolved-qualifier-level>+ E 770a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // <base-unresolved-name> 771a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 772a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // A::x, N::y, A<T>::z; "gs" means leading "::" 773a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // <unresolved-name> ::= [gs] sr <unresolved-qualifier-level>+ E 774a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // <base-unresolved-name> 775a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 776a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall switch (qualifier->getKind()) { 7771dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall case NestedNameSpecifier::Global: 778a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall Out << "gs"; 779a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 780a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // We want an 'sr' unless this is the entire NNS. 781a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall if (recursive) 782a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall Out << "sr"; 783a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 784a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // We never want an 'E' here. 785a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall return; 786a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 7871dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall case NestedNameSpecifier::Namespace: 788a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall if (qualifier->getPrefix()) 789a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleUnresolvedPrefix(qualifier->getPrefix(), firstQualifierLookup, 790a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall /*recursive*/ true); 791a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall else 792a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall Out << "sr"; 793a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleSourceName(qualifier->getAsNamespace()->getIdentifier()); 7941dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall break; 79514aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor case NestedNameSpecifier::NamespaceAlias: 796a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall if (qualifier->getPrefix()) 797a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleUnresolvedPrefix(qualifier->getPrefix(), firstQualifierLookup, 798a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall /*recursive*/ true); 799a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall else 800a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall Out << "sr"; 801a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleSourceName(qualifier->getAsNamespaceAlias()->getIdentifier()); 80214aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor break; 803a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 8041dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall case NestedNameSpecifier::TypeSpec: 8059b35b25db3641dfa8876d24b41cfa5b4d51477cbRafael Espindola case NestedNameSpecifier::TypeSpecWithTemplate: { 8064f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall const Type *type = qualifier->getAsType(); 8079b35b25db3641dfa8876d24b41cfa5b4d51477cbRafael Espindola 8084f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall // We only want to use an unresolved-type encoding if this is one of: 8094f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall // - a decltype 8104f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall // - a template type parameter 8114f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall // - a template template parameter with arguments 8124f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall // In all of these cases, we should have no prefix. 8134f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall if (qualifier->getPrefix()) { 8144f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall mangleUnresolvedPrefix(qualifier->getPrefix(), firstQualifierLookup, 8154f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall /*recursive*/ true); 8164f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall } else { 8174f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall // Otherwise, all the cases want this. 8184f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall Out << "sr"; 8194f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall } 8204f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall 8214f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall // Only certain other types are valid as prefixes; enumerate them. 822d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall switch (type->getTypeClass()) { 823d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Builtin: 824d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Complex: 825d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Pointer: 826d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::BlockPointer: 827d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::LValueReference: 828d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::RValueReference: 829d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::MemberPointer: 830d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::ConstantArray: 831d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::IncompleteArray: 832d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::VariableArray: 833d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::DependentSizedArray: 834d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::DependentSizedExtVector: 835d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Vector: 836d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::ExtVector: 837d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::FunctionProto: 838d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::FunctionNoProto: 839d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Enum: 840d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Paren: 841d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Elaborated: 842d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Attributed: 843d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Auto: 844d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::PackExpansion: 845d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::ObjCObject: 846d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::ObjCInterface: 847d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::ObjCObjectPointer: 848b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman case Type::Atomic: 849d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall llvm_unreachable("type is illegal as a nested name specifier"); 850d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 85168a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall case Type::SubstTemplateTypeParmPack: 85268a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // FIXME: not clear how to mangle this! 85368a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // template <class T...> class A { 85468a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // template <class U...> void foo(decltype(T::foo(U())) x...); 85568a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // }; 85668a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall Out << "_SUBSTPACK_"; 85768a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall break; 85868a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall 859d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall // <unresolved-type> ::= <template-param> 860d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall // ::= <decltype> 861d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall // ::= <template-template-param> <template-args> 862d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall // (this last is not official yet) 863d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::TypeOfExpr: 864d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::TypeOf: 865d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Decltype: 866d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::TemplateTypeParm: 867d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::UnaryTransform: 86835ee32e800145a535f2676898f8f06f7ae6e9b43John McCall case Type::SubstTemplateTypeParm: 869d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall unresolvedType: 870d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall assert(!qualifier->getPrefix()); 871d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 872d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall // We only get here recursively if we're followed by identifiers. 873d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall if (recursive) Out << 'N'; 874d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 87535ee32e800145a535f2676898f8f06f7ae6e9b43John McCall // This seems to do everything we want. It's not really 87635ee32e800145a535f2676898f8f06f7ae6e9b43John McCall // sanctioned for a substituted template parameter, though. 877d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall mangleType(QualType(type, 0)); 878d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 879d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall // We never want to print 'E' directly after an unresolved-type, 880d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall // so we return directly. 881d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall return; 882d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 883d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Typedef: 884d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall mangleSourceName(cast<TypedefType>(type)->getDecl()->getIdentifier()); 885d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall break; 886d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 887d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::UnresolvedUsing: 888d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall mangleSourceName(cast<UnresolvedUsingType>(type)->getDecl() 889d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall ->getIdentifier()); 890d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall break; 891d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 892d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Record: 893d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall mangleSourceName(cast<RecordType>(type)->getDecl()->getIdentifier()); 894d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall break; 895d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 896d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::TemplateSpecialization: { 897d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall const TemplateSpecializationType *tst 898d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall = cast<TemplateSpecializationType>(type); 89968a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall TemplateName name = tst->getTemplateName(); 90068a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall switch (name.getKind()) { 90168a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall case TemplateName::Template: 90268a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall case TemplateName::QualifiedTemplate: { 90368a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall TemplateDecl *temp = name.getAsTemplateDecl(); 90468a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall 90568a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // If the base is a template template parameter, this is an 90668a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // unresolved type. 90768a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall assert(temp && "no template for template specialization type"); 90868a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall if (isa<TemplateTemplateParmDecl>(temp)) goto unresolvedType; 90968a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall 91068a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall mangleSourceName(temp->getIdentifier()); 91168a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall break; 91268a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall } 913d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 91468a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall case TemplateName::OverloadedTemplate: 91568a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall case TemplateName::DependentTemplate: 91668a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall llvm_unreachable("invalid base for a template specialization type"); 91768a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall 91868a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall case TemplateName::SubstTemplateTemplateParm: { 91968a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall SubstTemplateTemplateParmStorage *subst 92068a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall = name.getAsSubstTemplateTemplateParm(); 92168a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall mangleExistingSubstitution(subst->getReplacement()); 92268a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall break; 92368a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall } 92468a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall 92568a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall case TemplateName::SubstTemplateTemplateParmPack: { 92668a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // FIXME: not clear how to mangle this! 92768a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // template <template <class U> class T...> class A { 92868a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // template <class U...> void foo(decltype(T<U>::foo) x...); 92968a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // }; 93068a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall Out << "_SUBSTPACK_"; 93168a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall break; 93268a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall } 93368a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall } 934d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 9354f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall mangleUnresolvedTemplateArgs(tst->getArgs(), tst->getNumArgs()); 936d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall break; 937d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall } 938d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 939d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::InjectedClassName: 940d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall mangleSourceName(cast<InjectedClassNameType>(type)->getDecl() 941d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall ->getIdentifier()); 942d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall break; 943d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 944d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::DependentName: 945d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall mangleSourceName(cast<DependentNameType>(type)->getIdentifier()); 946d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall break; 947d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 948d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::DependentTemplateSpecialization: { 949d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall const DependentTemplateSpecializationType *tst 950d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall = cast<DependentTemplateSpecializationType>(type); 9514f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall mangleSourceName(tst->getIdentifier()); 9524f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall mangleUnresolvedTemplateArgs(tst->getArgs(), tst->getNumArgs()); 953d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall break; 954d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall } 9554f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall } 9564f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall break; 9579b35b25db3641dfa8876d24b41cfa5b4d51477cbRafael Espindola } 958a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 9591dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall case NestedNameSpecifier::Identifier: 960ad5e73887052193afda72db8efcb812bd083a4a8John McCall // Member expressions can have these without prefixes. 961a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall if (qualifier->getPrefix()) { 962a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleUnresolvedPrefix(qualifier->getPrefix(), firstQualifierLookup, 963a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall /*recursive*/ true); 964a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } else if (firstQualifierLookup) { 965a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 966a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // Try to make a proper qualifier out of the lookup result, and 967a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // then just recurse on that. 968a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall NestedNameSpecifier *newQualifier; 969a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall if (TypeDecl *typeDecl = dyn_cast<TypeDecl>(firstQualifierLookup)) { 970a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall QualType type = getASTContext().getTypeDeclType(typeDecl); 971a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 972a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // Pretend we had a different nested name specifier. 973a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall newQualifier = NestedNameSpecifier::Create(getASTContext(), 974a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall /*prefix*/ 0, 975a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall /*template*/ false, 976a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall type.getTypePtr()); 977a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } else if (NamespaceDecl *nspace = 978a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall dyn_cast<NamespaceDecl>(firstQualifierLookup)) { 979a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall newQualifier = NestedNameSpecifier::Create(getASTContext(), 980a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall /*prefix*/ 0, 981a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall nspace); 982a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } else if (NamespaceAliasDecl *alias = 983a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall dyn_cast<NamespaceAliasDecl>(firstQualifierLookup)) { 984a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall newQualifier = NestedNameSpecifier::Create(getASTContext(), 985a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall /*prefix*/ 0, 986a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall alias); 987a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } else { 988a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // No sensible mangling to do here. 989a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall newQualifier = 0; 990a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } 991a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 992a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall if (newQualifier) 993a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall return mangleUnresolvedPrefix(newQualifier, /*lookup*/ 0, recursive); 994a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 995a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } else { 996a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall Out << "sr"; 997a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } 998a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 999a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleSourceName(qualifier->getAsIdentifier()); 10001dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall break; 10011dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 10021dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 1003a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // If this was the innermost part of the NNS, and we fell out to 1004a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // here, append an 'E'. 1005a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall if (!recursive) 1006a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall Out << 'E'; 1007a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall} 10081dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 1009a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall/// Mangle an unresolved-name, which is generally used for names which 1010a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall/// weren't resolved to specific entities. 1011a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCallvoid CXXNameMangler::mangleUnresolvedName(NestedNameSpecifier *qualifier, 1012a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall NamedDecl *firstQualifierLookup, 1013a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall DeclarationName name, 1014a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall unsigned knownArity) { 1015a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall if (qualifier) mangleUnresolvedPrefix(qualifier, firstQualifierLookup); 1016a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleUnqualifiedName(0, name, knownArity); 10171dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall} 10181dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 10196f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlssonstatic const FieldDecl *FindFirstNamedDataMember(const RecordDecl *RD) { 10206f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson assert(RD->isAnonymousStructOrUnion() && 10216f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson "Expected anonymous struct or union!"); 10226f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson 10236f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson for (RecordDecl::field_iterator I = RD->field_begin(), E = RD->field_end(); 10246f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson I != E; ++I) { 10256f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson const FieldDecl *FD = *I; 10266f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson 10276f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson if (FD->getIdentifier()) 10286f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson return FD; 10296f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson 10306f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson if (const RecordType *RT = FD->getType()->getAs<RecordType>()) { 10316f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson if (const FieldDecl *NamedDataMember = 10326f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson FindFirstNamedDataMember(RT->getDecl())) 10336f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson return NamedDataMember; 10346f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson } 10356f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson } 10366f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson 10376f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson // We didn't find a named data member. 10386f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson return 0; 10396f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson} 10406f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson 10411dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCallvoid CXXNameMangler::mangleUnqualifiedName(const NamedDecl *ND, 10421dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall DeclarationName Name, 10431dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall unsigned KnownArity) { 10445f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // <unqualified-name> ::= <operator-name> 10451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // ::= <ctor-dtor-name> 10461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // ::= <source-name> 10475f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor switch (Name.getNameKind()) { 1048c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson case DeclarationName::Identifier: { 1049c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson if (const IdentifierInfo *II = Name.getAsIdentifierInfo()) { 105031455256ae26cc7069111643ec4429ea564377daSean Hunt // We must avoid conflicts between internally- and externally- 105174990f45b0bc57fca81f908efb13d2b6c6350f03John McCall // linked variable and function declaration names in the same TU: 105274990f45b0bc57fca81f908efb13d2b6c6350f03John McCall // void test() { extern void foo(); } 105374990f45b0bc57fca81f908efb13d2b6c6350f03John McCall // static void foo(); 105474990f45b0bc57fca81f908efb13d2b6c6350f03John McCall // This naming convention is the same as that followed by GCC, 105574990f45b0bc57fca81f908efb13d2b6c6350f03John McCall // though it shouldn't actually matter. 105674990f45b0bc57fca81f908efb13d2b6c6350f03John McCall if (ND && ND->getLinkage() == InternalLinkage && 1057ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor getEffectiveDeclContext(ND)->isFileContext()) 105831455256ae26cc7069111643ec4429ea564377daSean Hunt Out << 'L'; 105931455256ae26cc7069111643ec4429ea564377daSean Hunt 1060c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson mangleSourceName(II); 1061c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson break; 1062c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson } 10633c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 10641dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall // Otherwise, an anonymous entity. We must have a declaration. 10651dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall assert(ND && "mangling empty name without declaration"); 10661dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 10671dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall if (const NamespaceDecl *NS = dyn_cast<NamespaceDecl>(ND)) { 10681dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall if (NS->isAnonymousNamespace()) { 10691dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall // This is how gcc mangles these names. 10701dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall Out << "12_GLOBAL__N_1"; 10711dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall break; 10721dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 10731dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 10741dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 10756f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson if (const VarDecl *VD = dyn_cast<VarDecl>(ND)) { 10766f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson // We must have an anonymous union or struct declaration. 10776f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson const RecordDecl *RD = 10786f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson cast<RecordDecl>(VD->getType()->getAs<RecordType>()->getDecl()); 10796f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson 10806f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson // Itanium C++ ABI 5.1.2: 10816f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson // 10826f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson // For the purposes of mangling, the name of an anonymous union is 10836f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson // considered to be the name of the first named data member found by a 10846f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson // pre-order, depth-first, declaration-order walk of the data members of 10856f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson // the anonymous union. If there is no such data member (i.e., if all of 10866f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson // the data members in the union are unnamed), then there is no way for 10876f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson // a program to refer to the anonymous union, and there is therefore no 10886f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson // need to mangle its name. 10896f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson const FieldDecl *FD = FindFirstNamedDataMember(RD); 10907121c8f551d9c91c0cf0e5e1f7f9aafa97241b17John McCall 10917121c8f551d9c91c0cf0e5e1f7f9aafa97241b17John McCall // It's actually possible for various reasons for us to get here 10927121c8f551d9c91c0cf0e5e1f7f9aafa97241b17John McCall // with an empty anonymous struct / union. Fortunately, it 10937121c8f551d9c91c0cf0e5e1f7f9aafa97241b17John McCall // doesn't really matter what name we generate. 10947121c8f551d9c91c0cf0e5e1f7f9aafa97241b17John McCall if (!FD) break; 10956f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson assert(FD->getIdentifier() && "Data member name isn't an identifier!"); 10966f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson 10976f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson mangleSourceName(FD->getIdentifier()); 10986f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson break; 10996f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson } 11006f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson 1101c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson // We must have an anonymous struct. 1102c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson const TagDecl *TD = cast<TagDecl>(ND); 1103162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (const TypedefNameDecl *D = TD->getTypedefNameForAnonDecl()) { 1104c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson assert(TD->getDeclContext() == D->getDeclContext() && 1105c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson "Typedef should not be in another decl context!"); 1106c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson assert(D->getDeclName().getAsIdentifierInfo() && 1107c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson "Typedef was not named!"); 1108c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson mangleSourceName(D->getDeclName().getAsIdentifierInfo()); 1109c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson break; 1110c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson } 11113c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 11129e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor // <unnamed-type-name> ::= <closure-type-name> 11139e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor // 11149e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor // <closure-type-name> ::= Ul <lambda-sig> E [ <nonnegative number> ] _ 11159e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor // <lambda-sig> ::= <parameter-type>+ # Parameter types or 'v' for 'void'. 11169e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor if (const CXXRecordDecl *Record = dyn_cast<CXXRecordDecl>(TD)) { 11175878cbcfaa90b8515550db86033fd5a0efab971dDouglas Gregor if (Record->isLambda() && Record->getLambdaManglingNumber()) { 1118ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor mangleLambda(Record); 11199e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor break; 11209e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor } 11219e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor } 11229e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor 1123c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson // Get a unique id for the anonymous struct. 1124c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson uint64_t AnonStructId = Context.getAnonymousStructId(TD); 1125c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson 1126c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson // Mangle it as a source name in the form 11273c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar // [n] $_<id> 1128c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson // where n is the length of the string. 1129f7ccbad5d9949e7ddd1cbef43d482553b811e026Dylan Noblesmith SmallString<8> Str; 1130c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson Str += "$_"; 1131c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson Str += llvm::utostr(AnonStructId); 1132c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson 1133c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson Out << Str.size(); 1134c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson Out << Str.str(); 11355f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor break; 1136c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson } 11375f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 11385f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case DeclarationName::ObjCZeroArgSelector: 11395f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case DeclarationName::ObjCOneArgSelector: 11405f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case DeclarationName::ObjCMultiArgSelector: 1141b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Can't mangle Objective-C selector names here!"); 11425f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 11435f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case DeclarationName::CXXConstructorName: 114427ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson if (ND == Structor) 1145141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // If the named decl is the C++ constructor we're mangling, use the type 1146141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // we were given. 114727ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson mangleCXXCtorType(static_cast<CXXCtorType>(StructorType)); 11483ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson else 11493ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson // Otherwise, use the complete constructor name. This is relevant if a 11503ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson // class with a constructor is declared within a constructor. 11513ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson mangleCXXCtorType(Ctor_Complete); 11525f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor break; 11535f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 11545f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case DeclarationName::CXXDestructorName: 115527ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson if (ND == Structor) 1156141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // If the named decl is the C++ destructor we're mangling, use the type we 1157141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // were given. 115827ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson mangleCXXDtorType(static_cast<CXXDtorType>(StructorType)); 115927ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson else 116027ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson // Otherwise, use the complete destructor name. This is relevant if a 116127ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson // class with a destructor is declared within a destructor. 116227ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson mangleCXXDtorType(Dtor_Complete); 11635f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor break; 11645f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 11655f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case DeclarationName::CXXConversionFunctionName: 11661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // <operator-name> ::= cv <type> # (cast) 1167219cc61b505960195d538052f0e629b387ad60caDouglas Gregor Out << "cv"; 116879e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor mangleType(Name.getCXXNameType()); 11695f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor break; 11705f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 11718257d411a759b91921681c3b7f79e50e0d9252dbAnders Carlsson case DeclarationName::CXXOperatorName: { 11721dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall unsigned Arity; 11731dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall if (ND) { 11741dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall Arity = cast<FunctionDecl>(ND)->getNumParams(); 1175193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 11761dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall // If we have a C++ member function, we need to include the 'this' pointer. 11771dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall // FIXME: This does not make sense for operators that are static, but their 11781dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall // names stay the same regardless of the arity (operator new for instance). 11791dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall if (isa<CXXMethodDecl>(ND)) 11801dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall Arity++; 11811dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } else 11821dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall Arity = KnownArity; 11831dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 11848257d411a759b91921681c3b7f79e50e0d9252dbAnders Carlsson mangleOperatorName(Name.getCXXOverloadedOperator(), Arity); 11855f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor break; 11868257d411a759b91921681c3b7f79e50e0d9252dbAnders Carlsson } 11875f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 11883e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt case DeclarationName::CXXLiteralOperatorName: 11895dd6b39fb585f252bd87fb8032888bb208059f0dSean Hunt // FIXME: This mangling is not yet official. 11902421f66b945510c7d049f6d89e7cc57d0013add8Sean Hunt Out << "li"; 11913e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt mangleSourceName(Name.getCXXLiteralIdentifier()); 11923e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt break; 11933e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt 11945f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case DeclarationName::CXXUsingDirective: 1195b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Can't mangle a using directive name!"); 11965f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor } 11975f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 11985f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 11995f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregorvoid CXXNameMangler::mangleSourceName(const IdentifierInfo *II) { 12005f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // <source-name> ::= <positive length number> <identifier> 12015f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // <number> ::= [n] <non-negative decimal integer> 12025f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // <identifier> ::= <unqualified source code identifier> 12035f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Out << II->getLength() << II->getName(); 12045f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 12055f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 12067facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedmanvoid CXXNameMangler::mangleNestedName(const NamedDecl *ND, 1207570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian const DeclContext *DC, 1208570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian bool NoFunction) { 12090a9a6d68979619a621fedc5089674487f720f765Douglas Gregor // <nested-name> 12100a9a6d68979619a621fedc5089674487f720f765Douglas Gregor // ::= N [<CV-qualifiers>] [<ref-qualifier>] <prefix> <unqualified-name> E 12110a9a6d68979619a621fedc5089674487f720f765Douglas Gregor // ::= N [<CV-qualifiers>] [<ref-qualifier>] <template-prefix> 12120a9a6d68979619a621fedc5089674487f720f765Douglas Gregor // <template-args> E 1213d99edc44300b36732a14c294c93899ba28d479eaAnders Carlsson 12145f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Out << 'N'; 12150a9a6d68979619a621fedc5089674487f720f765Douglas Gregor if (const CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(ND)) { 12160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall mangleQualifiers(Qualifiers::fromCVRMask(Method->getTypeQualifiers())); 12170a9a6d68979619a621fedc5089674487f720f765Douglas Gregor mangleRefQualifier(Method->getRefQualifier()); 12180a9a6d68979619a621fedc5089674487f720f765Douglas Gregor } 12190a9a6d68979619a621fedc5089674487f720f765Douglas Gregor 12202744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson // Check if we have a template. 12212744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson const TemplateArgumentList *TemplateArgs = 0; 12223c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar if (const TemplateDecl *TD = isTemplate(ND, TemplateArgs)) { 12232744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson mangleTemplatePrefix(TD); 1224d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola TemplateParameterList *TemplateParameters = TD->getTemplateParameters(); 1225d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangleTemplateArgs(*TemplateParameters, *TemplateArgs); 1226570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian } 1227570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian else { 1228570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian manglePrefix(DC, NoFunction); 12297482e247163978792654ca1a99913e19dd507e0aAnders Carlsson mangleUnqualifiedName(ND); 12307482e247163978792654ca1a99913e19dd507e0aAnders Carlsson } 12313c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 12325f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Out << 'E'; 12335f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 12343c9e463762243affcb0223d853ba10e07e321747Daniel Dunbarvoid CXXNameMangler::mangleNestedName(const TemplateDecl *TD, 12357624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson const TemplateArgument *TemplateArgs, 12367624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson unsigned NumTemplateArgs) { 1237e45117b945a0d8c1fdcc4cd8ee4500f5ee8742beAnders Carlsson // <nested-name> ::= N [<CV-qualifiers>] <template-prefix> <template-args> E 1238e45117b945a0d8c1fdcc4cd8ee4500f5ee8742beAnders Carlsson 12397624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson Out << 'N'; 12403c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 1241e45117b945a0d8c1fdcc4cd8ee4500f5ee8742beAnders Carlsson mangleTemplatePrefix(TD); 1242d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola TemplateParameterList *TemplateParameters = TD->getTemplateParameters(); 1243d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangleTemplateArgs(*TemplateParameters, TemplateArgs, NumTemplateArgs); 12443c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 12457624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson Out << 'E'; 12467624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson} 12477624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson 12481b42c794481f6f958267e4ba913d74fef43161f6Anders Carlssonvoid CXXNameMangler::mangleLocalName(const NamedDecl *ND) { 12491b42c794481f6f958267e4ba913d74fef43161f6Anders Carlsson // <local-name> := Z <function encoding> E <entity name> [<discriminator>] 12501b42c794481f6f958267e4ba913d74fef43161f6Anders Carlsson // := Z <function encoding> E s [<discriminator>] 1251ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor // <local-name> := Z <function encoding> E d [ <parameter number> ] 1252ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor // _ <entity name> 12531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // <discriminator> := _ <non-negative number> 1254ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor const DeclContext *DC = getEffectiveDeclContext(ND); 12558805fe800e30d6597d8c900f590b74567873be78Fariborz Jahanian if (isa<ObjCMethodDecl>(DC) && isa<FunctionDecl>(ND)) { 12568805fe800e30d6597d8c900f590b74567873be78Fariborz Jahanian // Don't add objc method name mangling to locally declared function 12578805fe800e30d6597d8c900f590b74567873be78Fariborz Jahanian mangleUnqualifiedName(ND); 12588805fe800e30d6597d8c900f590b74567873be78Fariborz Jahanian return; 12598805fe800e30d6597d8c900f590b74567873be78Fariborz Jahanian } 12608805fe800e30d6597d8c900f590b74567873be78Fariborz Jahanian 12611b42c794481f6f958267e4ba913d74fef43161f6Anders Carlsson Out << 'Z'; 1262193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1263685b1d9e0d019c4ca2a2742cca287367af3d01e6Charles Davis if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(DC)) { 1264685b1d9e0d019c4ca2a2742cca287367af3d01e6Charles Davis mangleObjCMethodName(MD); 126582b7d7bc723051d8db4e21883e9072fe3ad99305John McCall } else if (const CXXRecordDecl *RD = GetLocalClassDecl(ND)) { 1266ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor mangleFunctionEncoding(cast<FunctionDecl>(getEffectiveDeclContext(RD))); 1267570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian Out << 'E'; 1268193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1269ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor // The parameter number is omitted for the last parameter, 0 for the 1270ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor // second-to-last parameter, 1 for the third-to-last parameter, etc. The 1271ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor // <entity name> will of course contain a <closure-type-name>: Its 1272ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor // numbering will be local to the particular argument in which it appears 1273ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor // -- other default arguments do not affect its encoding. 1274ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor bool SkipDiscriminator = false; 1275ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor if (RD->isLambda()) { 1276ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor if (const ParmVarDecl *Parm 1277ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor = dyn_cast_or_null<ParmVarDecl>(RD->getLambdaContextDecl())) { 1278ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor if (const FunctionDecl *Func 1279ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor = dyn_cast<FunctionDecl>(Parm->getDeclContext())) { 1280ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor Out << 'd'; 1281ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor unsigned Num = Func->getNumParams() - Parm->getFunctionScopeIndex(); 1282ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor if (Num > 1) 1283ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor mangleNumber(Num - 2); 1284ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor Out << '_'; 1285ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor SkipDiscriminator = true; 1286ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor } 1287ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor } 1288ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor } 1289ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor 129082b7d7bc723051d8db4e21883e9072fe3ad99305John McCall // Mangle the name relative to the closest enclosing function. 129182b7d7bc723051d8db4e21883e9072fe3ad99305John McCall if (ND == RD) // equality ok because RD derived from ND above 129282b7d7bc723051d8db4e21883e9072fe3ad99305John McCall mangleUnqualifiedName(ND); 129382b7d7bc723051d8db4e21883e9072fe3ad99305John McCall else 129482b7d7bc723051d8db4e21883e9072fe3ad99305John McCall mangleNestedName(ND, DC, true /*NoFunction*/); 129582b7d7bc723051d8db4e21883e9072fe3ad99305John McCall 1296ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor if (!SkipDiscriminator) { 1297ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor unsigned disc; 1298ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor if (Context.getNextDiscriminator(RD, disc)) { 1299ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor if (disc < 10) 1300ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor Out << '_' << disc; 1301ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor else 1302ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor Out << "__" << disc << '_'; 1303ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor } 13044819ac44c0e5222ebfe8e199c51f653f52177336Fariborz Jahanian } 1305ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor 1306570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian return; 1307570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian } 1308193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam else 1309570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian mangleFunctionEncoding(cast<FunctionDecl>(DC)); 13107b06f6c20e124afa4d1fde85b1dd721462f2d912Anders Carlsson 13111b42c794481f6f958267e4ba913d74fef43161f6Anders Carlsson Out << 'E'; 13126f9f25dfc7bf9cc1ab1282d6d7e9cf7916d8a09cEli Friedman mangleUnqualifiedName(ND); 13131b42c794481f6f958267e4ba913d74fef43161f6Anders Carlsson} 13141b42c794481f6f958267e4ba913d74fef43161f6Anders Carlsson 1315ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregorvoid CXXNameMangler::mangleLambda(const CXXRecordDecl *Lambda) { 1316552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor // If the context of a closure type is an initializer for a class member 1317552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor // (static or nonstatic), it is encoded in a qualified name with a final 1318552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor // <prefix> of the form: 1319552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor // 1320552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor // <data-member-prefix> := <member source-name> M 1321552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor // 1322552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor // Technically, the data-member-prefix is part of the <prefix>. However, 1323552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor // since a closure type will always be mangled with a prefix, it's easier 1324552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor // to emit that last part of the prefix here. 1325552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor if (Decl *Context = Lambda->getLambdaContextDecl()) { 1326552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor if ((isa<VarDecl>(Context) || isa<FieldDecl>(Context)) && 1327552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor Context->getDeclContext()->isRecord()) { 1328552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor if (const IdentifierInfo *Name 1329552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor = cast<NamedDecl>(Context)->getIdentifier()) { 1330552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor mangleSourceName(Name); 1331552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor Out << 'M'; 1332552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor } 1333552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor } 1334552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor } 1335552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor 1336ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor Out << "Ul"; 1337ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor DeclarationName Name 1338ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor = getASTContext().DeclarationNames.getCXXOperatorName(OO_Call); 1339ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor const FunctionProtoType *Proto 1340ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor = cast<CXXMethodDecl>(*Lambda->lookup(Name).first)->getType()-> 1341ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor getAs<FunctionProtoType>(); 1342ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor mangleBareFunctionType(Proto, /*MangleReturnType=*/false); 1343ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor Out << "E"; 1344ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor 1345ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor // The number is omitted for the first closure type with a given 1346ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor // <lambda-sig> in a given context; it is n-2 for the nth closure type 1347ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor // (in lexical order) with that same <lambda-sig> and context. 1348ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor // 1349ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor // The AST keeps track of the number for us. 13505878cbcfaa90b8515550db86033fd5a0efab971dDouglas Gregor unsigned Number = Lambda->getLambdaManglingNumber(); 13515878cbcfaa90b8515550db86033fd5a0efab971dDouglas Gregor assert(Number > 0 && "Lambda should be mangled as an unnamed class"); 13525878cbcfaa90b8515550db86033fd5a0efab971dDouglas Gregor if (Number > 1) 13535878cbcfaa90b8515550db86033fd5a0efab971dDouglas Gregor mangleNumber(Number - 2); 1354ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor Out << '_'; 1355ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor} 1356ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor 1357a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCallvoid CXXNameMangler::manglePrefix(NestedNameSpecifier *qualifier) { 1358a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall switch (qualifier->getKind()) { 1359a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall case NestedNameSpecifier::Global: 1360a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // nothing 1361a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall return; 1362a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 1363a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall case NestedNameSpecifier::Namespace: 1364a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleName(qualifier->getAsNamespace()); 1365a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall return; 1366a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 1367a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall case NestedNameSpecifier::NamespaceAlias: 1368a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleName(qualifier->getAsNamespaceAlias()->getNamespace()); 1369a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall return; 1370a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 1371a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall case NestedNameSpecifier::TypeSpec: 1372a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall case NestedNameSpecifier::TypeSpecWithTemplate: 13734f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall manglePrefix(QualType(qualifier->getAsType(), 0)); 1374a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall return; 1375a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 1376a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall case NestedNameSpecifier::Identifier: 1377a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // Member expressions can have these without prefixes, but that 1378a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // should end up in mangleUnresolvedPrefix instead. 1379a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall assert(qualifier->getPrefix()); 1380a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall manglePrefix(qualifier->getPrefix()); 1381a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 1382a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleSourceName(qualifier->getAsIdentifier()); 1383a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall return; 1384a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } 1385a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 1386a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall llvm_unreachable("unexpected nested name specifier"); 1387a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall} 1388a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 1389570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanianvoid CXXNameMangler::manglePrefix(const DeclContext *DC, bool NoFunction) { 13905f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // <prefix> ::= <prefix> <unqualified-name> 13915f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= <template-prefix> <template-args> 13925f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= <template-param> 13935f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= # empty 13945f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= <substitution> 13956862fc720b8e35ee4408822b2390020f263646b2Anders Carlsson 1396b3c312ce4d94a037a83ba6df6650b0317b15edd1James Molloy DC = IgnoreLinkageSpecDecls(DC); 13973c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 13989263e91e2e91aaf0eb72488f2a52648c086bef35Anders Carlsson if (DC->isTranslationUnit()) 13999263e91e2e91aaf0eb72488f2a52648c086bef35Anders Carlsson return; 14003c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 140135415f5132f70ad5097a3514ab84251e10db3664Douglas Gregor if (const BlockDecl *Block = dyn_cast<BlockDecl>(DC)) { 1402ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor manglePrefix(getEffectiveParentContext(DC), NoFunction); 1403f7ccbad5d9949e7ddd1cbef43d482553b811e026Dylan Noblesmith SmallString<64> Name; 1404c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola llvm::raw_svector_ostream NameStream(Name); 1405c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola Context.mangleBlock(Block, NameStream); 1406c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola NameStream.flush(); 140735415f5132f70ad5097a3514ab84251e10db3664Douglas Gregor Out << Name.size() << Name; 140835415f5132f70ad5097a3514ab84251e10db3664Douglas Gregor return; 140935415f5132f70ad5097a3514ab84251e10db3664Douglas Gregor } 141035415f5132f70ad5097a3514ab84251e10db3664Douglas Gregor 1411552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor const NamedDecl *ND = cast<NamedDecl>(DC); 1412552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor if (mangleSubstitution(ND)) 14136862fc720b8e35ee4408822b2390020f263646b2Anders Carlsson return; 1414552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor 14152ee3fca27ab8e6254586c5b42efb086df4bf76acAnders Carlsson // Check if we have a template. 14162ee3fca27ab8e6254586c5b42efb086df4bf76acAnders Carlsson const TemplateArgumentList *TemplateArgs = 0; 1417552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor if (const TemplateDecl *TD = isTemplate(ND, TemplateArgs)) { 14182ee3fca27ab8e6254586c5b42efb086df4bf76acAnders Carlsson mangleTemplatePrefix(TD); 1419d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola TemplateParameterList *TemplateParameters = TD->getTemplateParameters(); 1420d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangleTemplateArgs(*TemplateParameters, *TemplateArgs); 1421570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian } 1422552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor else if(NoFunction && (isa<FunctionDecl>(ND) || isa<ObjCMethodDecl>(ND))) 1423570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian return; 1424552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor else if (const ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(ND)) 142535415f5132f70ad5097a3514ab84251e10db3664Douglas Gregor mangleObjCMethodName(Method); 1426570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian else { 1427552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor manglePrefix(getEffectiveDeclContext(ND), NoFunction); 1428552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor mangleUnqualifiedName(ND); 14292ee3fca27ab8e6254586c5b42efb086df4bf76acAnders Carlsson } 14303c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 1431552e29985a710f4ced62b39d70557501bd31ca9bDouglas Gregor addSubstitution(ND); 14325f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 14335f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 143420f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregorvoid CXXNameMangler::mangleTemplatePrefix(TemplateName Template) { 143520f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor // <template-prefix> ::= <prefix> <template unqualified-name> 143620f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor // ::= <template-param> 143720f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor // ::= <substitution> 143820f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor if (TemplateDecl *TD = Template.getAsTemplateDecl()) 143920f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor return mangleTemplatePrefix(TD); 144020f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor 144120f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor if (QualifiedTemplateName *Qualified = Template.getAsQualifiedTemplateName()) 1442a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall manglePrefix(Qualified->getQualifier()); 1443c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 144420f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor if (OverloadedTemplateStorage *Overloaded 144520f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor = Template.getAsOverloadedTemplate()) { 1446c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt mangleUnqualifiedName(0, (*Overloaded->begin())->getDeclName(), 144720f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor UnknownArity); 144820f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor return; 144920f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor } 1450c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 145120f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor DependentTemplateName *Dependent = Template.getAsDependentTemplateName(); 145220f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor assert(Dependent && "Unknown template name kind?"); 1453a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall manglePrefix(Dependent->getQualifier()); 14541e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor mangleUnscopedTemplateName(Template); 145520f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor} 145620f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor 14570fa6df440023a95d8b47c79111e8613fc29f723bAnders Carlssonvoid CXXNameMangler::mangleTemplatePrefix(const TemplateDecl *ND) { 14587482e247163978792654ca1a99913e19dd507e0aAnders Carlsson // <template-prefix> ::= <prefix> <template unqualified-name> 14597482e247163978792654ca1a99913e19dd507e0aAnders Carlsson // ::= <template-param> 14607482e247163978792654ca1a99913e19dd507e0aAnders Carlsson // ::= <substitution> 146132fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor // <template-template-param> ::= <template-param> 146232fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor // <substitution> 14637482e247163978792654ca1a99913e19dd507e0aAnders Carlsson 1464aeb85374e92619b8e4ce92ac6e30756b5053a137Anders Carlsson if (mangleSubstitution(ND)) 1465aeb85374e92619b8e4ce92ac6e30756b5053a137Anders Carlsson return; 14663c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 146732fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor // <template-template-param> ::= <template-param> 146832fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor if (const TemplateTemplateParmDecl *TTP 146932fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor = dyn_cast<TemplateTemplateParmDecl>(ND)) { 147032fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor mangleTemplateParameter(TTP->getIndex()); 147132fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor return; 1472193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam } 14733c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 1474ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor manglePrefix(getEffectiveDeclContext(ND)); 14751668f2062b237ddb137f5d16388b3dea49651f85Anders Carlsson mangleUnqualifiedName(ND->getTemplatedDecl()); 1476aeb85374e92619b8e4ce92ac6e30756b5053a137Anders Carlsson addSubstitution(ND); 14777482e247163978792654ca1a99913e19dd507e0aAnders Carlsson} 14787482e247163978792654ca1a99913e19dd507e0aAnders Carlsson 1479b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall/// Mangles a template name under the production <type>. Required for 1480b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall/// template template arguments. 1481b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall/// <type> ::= <class-enum-type> 1482b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall/// ::= <template-param> 1483b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall/// ::= <substitution> 1484b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCallvoid CXXNameMangler::mangleType(TemplateName TN) { 1485b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall if (mangleSubstitution(TN)) 1486b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall return; 1487b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall 1488b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall TemplateDecl *TD = 0; 1489b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall 1490b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall switch (TN.getKind()) { 1491b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall case TemplateName::QualifiedTemplate: 1492b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall TD = TN.getAsQualifiedTemplateName()->getTemplateDecl(); 1493b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall goto HaveDecl; 1494b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall 1495b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall case TemplateName::Template: 1496b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall TD = TN.getAsTemplateDecl(); 1497b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall goto HaveDecl; 1498b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall 1499b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall HaveDecl: 1500b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall if (isa<TemplateTemplateParmDecl>(TD)) 1501b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall mangleTemplateParameter(cast<TemplateTemplateParmDecl>(TD)->getIndex()); 1502b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall else 1503b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall mangleName(TD); 1504b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall break; 1505b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall 1506b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall case TemplateName::OverloadedTemplate: 1507b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall llvm_unreachable("can't mangle an overloaded template name as a <type>"); 1508b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall 1509b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall case TemplateName::DependentTemplate: { 1510b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall const DependentTemplateName *Dependent = TN.getAsDependentTemplateName(); 1511b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall assert(Dependent->isIdentifier()); 1512b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall 1513b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall // <class-enum-type> ::= <name> 1514b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall // <name> ::= <nested-name> 1515a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleUnresolvedPrefix(Dependent->getQualifier(), 0); 1516b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall mangleSourceName(Dependent->getIdentifier()); 1517b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall break; 1518b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall } 1519b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall 1520b44e0cf937baf99578b2a5bdf5066c730247d424John McCall case TemplateName::SubstTemplateTemplateParm: { 1521b44e0cf937baf99578b2a5bdf5066c730247d424John McCall // Substituted template parameters are mangled as the substituted 1522b44e0cf937baf99578b2a5bdf5066c730247d424John McCall // template. This will check for the substitution twice, which is 1523b44e0cf937baf99578b2a5bdf5066c730247d424John McCall // fine, but we have to return early so that we don't try to *add* 1524b44e0cf937baf99578b2a5bdf5066c730247d424John McCall // the substitution twice. 1525b44e0cf937baf99578b2a5bdf5066c730247d424John McCall SubstTemplateTemplateParmStorage *subst 1526b44e0cf937baf99578b2a5bdf5066c730247d424John McCall = TN.getAsSubstTemplateTemplateParm(); 1527b44e0cf937baf99578b2a5bdf5066c730247d424John McCall mangleType(subst->getReplacement()); 1528b44e0cf937baf99578b2a5bdf5066c730247d424John McCall return; 1529b44e0cf937baf99578b2a5bdf5066c730247d424John McCall } 1530146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 15311aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor case TemplateName::SubstTemplateTemplateParmPack: { 153268a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // FIXME: not clear how to mangle this! 153368a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // template <template <class> class T...> class A { 153468a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // template <template <class> class U...> void foo(B<T,U> x...); 153568a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // }; 153668a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall Out << "_SUBSTPACK_"; 15371aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor break; 15381aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 1539b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall } 1540b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall 1541b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall addSubstitution(TN); 1542b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall} 1543b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall 15441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 15455f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas GregorCXXNameMangler::mangleOperatorName(OverloadedOperatorKind OO, unsigned Arity) { 15465f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor switch (OO) { 15473201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // <operator-name> ::= nw # new 15485f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_New: Out << "nw"; break; 15495f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= na # new[] 15505f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Array_New: Out << "na"; break; 15513201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= dl # delete 15525f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Delete: Out << "dl"; break; 15533201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= da # delete[] 15545f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Array_Delete: Out << "da"; break; 15555f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= ps # + (unary) 15565e1e89b8af283af34943a477dc6378f1a641df26John McCall // ::= pl # + (binary or unknown) 1557193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam case OO_Plus: 15588257d411a759b91921681c3b7f79e50e0d9252dbAnders Carlsson Out << (Arity == 1? "ps" : "pl"); break; 15593201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= ng # - (unary) 15605e1e89b8af283af34943a477dc6378f1a641df26John McCall // ::= mi # - (binary or unknown) 1561193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam case OO_Minus: 15628257d411a759b91921681c3b7f79e50e0d9252dbAnders Carlsson Out << (Arity == 1? "ng" : "mi"); break; 15633201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= ad # & (unary) 15645e1e89b8af283af34943a477dc6378f1a641df26John McCall // ::= an # & (binary or unknown) 1565193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam case OO_Amp: 15668257d411a759b91921681c3b7f79e50e0d9252dbAnders Carlsson Out << (Arity == 1? "ad" : "an"); break; 15673201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= de # * (unary) 15685e1e89b8af283af34943a477dc6378f1a641df26John McCall // ::= ml # * (binary or unknown) 1569193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam case OO_Star: 15705e1e89b8af283af34943a477dc6378f1a641df26John McCall // Use binary when unknown. 15718257d411a759b91921681c3b7f79e50e0d9252dbAnders Carlsson Out << (Arity == 1? "de" : "ml"); break; 15723201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= co # ~ 15735f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Tilde: Out << "co"; break; 15743201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= dv # / 15755f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Slash: Out << "dv"; break; 15763201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= rm # % 15775f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Percent: Out << "rm"; break; 15783201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= or # | 15793201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_Pipe: Out << "or"; break; 15803201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= eo # ^ 15815f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Caret: Out << "eo"; break; 15823201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= aS # = 15835f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Equal: Out << "aS"; break; 15843201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= pL # += 15855f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_PlusEqual: Out << "pL"; break; 15863201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= mI # -= 15875f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_MinusEqual: Out << "mI"; break; 15883201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= mL # *= 15895f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_StarEqual: Out << "mL"; break; 15903201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= dV # /= 15915f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_SlashEqual: Out << "dV"; break; 15923201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= rM # %= 15933201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_PercentEqual: Out << "rM"; break; 15943201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= aN # &= 15953201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_AmpEqual: Out << "aN"; break; 15963201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= oR # |= 15973201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_PipeEqual: Out << "oR"; break; 15983201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= eO # ^= 15993201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_CaretEqual: Out << "eO"; break; 16003201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= ls # << 16015f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_LessLess: Out << "ls"; break; 16023201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= rs # >> 16033201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_GreaterGreater: Out << "rs"; break; 16043201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= lS # <<= 16053201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_LessLessEqual: Out << "lS"; break; 16063201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= rS # >>= 16073201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_GreaterGreaterEqual: Out << "rS"; break; 16085f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= eq # == 16095f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_EqualEqual: Out << "eq"; break; 16103201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= ne # != 16113201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_ExclaimEqual: Out << "ne"; break; 16123201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= lt # < 16135f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Less: Out << "lt"; break; 16143201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= gt # > 16155f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Greater: Out << "gt"; break; 16163201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= le # <= 16175f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_LessEqual: Out << "le"; break; 16183201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= ge # >= 16195f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_GreaterEqual: Out << "ge"; break; 16203201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= nt # ! 16215f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Exclaim: Out << "nt"; break; 16223201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= aa # && 16235f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_AmpAmp: Out << "aa"; break; 16243201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= oo # || 16253201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_PipePipe: Out << "oo"; break; 16263201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= pp # ++ 16273201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_PlusPlus: Out << "pp"; break; 16283201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= mm # -- 16295f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_MinusMinus: Out << "mm"; break; 16303201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= cm # , 16313201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_Comma: Out << "cm"; break; 16323201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= pm # ->* 16335f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_ArrowStar: Out << "pm"; break; 16343201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= pt # -> 16355f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Arrow: Out << "pt"; break; 16363201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= cl # () 16375f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Call: Out << "cl"; break; 16383201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= ix # [] 16395f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Subscript: Out << "ix"; break; 1640e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson 1641e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson // ::= qu # ? 1642e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson // The conditional operator can't be overloaded, but we still handle it when 1643e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson // mangling expressions. 1644e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson case OO_Conditional: Out << "qu"; break; 16455f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 16463201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_None: 16475f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case NUM_OVERLOADED_OPERATORS: 1648b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Not an overloaded operator"); 16495f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor } 16505f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 16515f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 16520953e767ff7817f97b3ab20896b229891eeff45bJohn McCallvoid CXXNameMangler::mangleQualifiers(Qualifiers Quals) { 16531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // <CV-qualifiers> ::= [r] [V] [K] # restrict (C99), volatile, const 16540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Quals.hasRestrict()) 16555f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Out << 'r'; 16560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Quals.hasVolatile()) 16575f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Out << 'V'; 16580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Quals.hasConst()) 16595f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Out << 'K'; 16600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 166156079f7dde1d9c9e16207feffa3f1f888a78ab69Douglas Gregor if (Quals.hasAddressSpace()) { 166256079f7dde1d9c9e16207feffa3f1f888a78ab69Douglas Gregor // Extension: 166356079f7dde1d9c9e16207feffa3f1f888a78ab69Douglas Gregor // 166456079f7dde1d9c9e16207feffa3f1f888a78ab69Douglas Gregor // <type> ::= U <address-space-number> 166556079f7dde1d9c9e16207feffa3f1f888a78ab69Douglas Gregor // 166656079f7dde1d9c9e16207feffa3f1f888a78ab69Douglas Gregor // where <address-space-number> is a source name consisting of 'AS' 166756079f7dde1d9c9e16207feffa3f1f888a78ab69Douglas Gregor // followed by the address space <number>. 1668f7ccbad5d9949e7ddd1cbef43d482553b811e026Dylan Noblesmith SmallString<64> ASString; 166956079f7dde1d9c9e16207feffa3f1f888a78ab69Douglas Gregor ASString = "AS" + llvm::utostr_32(Quals.getAddressSpace()); 167056079f7dde1d9c9e16207feffa3f1f888a78ab69Douglas Gregor Out << 'U' << ASString.size() << ASString; 167156079f7dde1d9c9e16207feffa3f1f888a78ab69Douglas Gregor } 167256079f7dde1d9c9e16207feffa3f1f888a78ab69Douglas Gregor 16735f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef LifetimeName; 1674f85e193739c953358c865005855253af4f68a497John McCall switch (Quals.getObjCLifetime()) { 1675f85e193739c953358c865005855253af4f68a497John McCall // Objective-C ARC Extension: 1676f85e193739c953358c865005855253af4f68a497John McCall // 1677f85e193739c953358c865005855253af4f68a497John McCall // <type> ::= U "__strong" 1678f85e193739c953358c865005855253af4f68a497John McCall // <type> ::= U "__weak" 1679f85e193739c953358c865005855253af4f68a497John McCall // <type> ::= U "__autoreleasing" 1680f85e193739c953358c865005855253af4f68a497John McCall case Qualifiers::OCL_None: 1681f85e193739c953358c865005855253af4f68a497John McCall break; 1682f85e193739c953358c865005855253af4f68a497John McCall 1683f85e193739c953358c865005855253af4f68a497John McCall case Qualifiers::OCL_Weak: 1684f85e193739c953358c865005855253af4f68a497John McCall LifetimeName = "__weak"; 1685f85e193739c953358c865005855253af4f68a497John McCall break; 1686f85e193739c953358c865005855253af4f68a497John McCall 1687f85e193739c953358c865005855253af4f68a497John McCall case Qualifiers::OCL_Strong: 1688f85e193739c953358c865005855253af4f68a497John McCall LifetimeName = "__strong"; 1689f85e193739c953358c865005855253af4f68a497John McCall break; 1690f85e193739c953358c865005855253af4f68a497John McCall 1691f85e193739c953358c865005855253af4f68a497John McCall case Qualifiers::OCL_Autoreleasing: 1692f85e193739c953358c865005855253af4f68a497John McCall LifetimeName = "__autoreleasing"; 1693f85e193739c953358c865005855253af4f68a497John McCall break; 1694f85e193739c953358c865005855253af4f68a497John McCall 1695f85e193739c953358c865005855253af4f68a497John McCall case Qualifiers::OCL_ExplicitNone: 1696c22d699d3aa1d7fbd32c4e35cf75abdca94bb5efDouglas Gregor // The __unsafe_unretained qualifier is *not* mangled, so that 1697c22d699d3aa1d7fbd32c4e35cf75abdca94bb5efDouglas Gregor // __unsafe_unretained types in ARC produce the same manglings as the 1698c22d699d3aa1d7fbd32c4e35cf75abdca94bb5efDouglas Gregor // equivalent (but, naturally, unqualified) types in non-ARC, providing 1699c22d699d3aa1d7fbd32c4e35cf75abdca94bb5efDouglas Gregor // better ABI compatibility. 1700c22d699d3aa1d7fbd32c4e35cf75abdca94bb5efDouglas Gregor // 1701c22d699d3aa1d7fbd32c4e35cf75abdca94bb5efDouglas Gregor // It's safe to do this because unqualified 'id' won't show up 1702c22d699d3aa1d7fbd32c4e35cf75abdca94bb5efDouglas Gregor // in any type signatures that need to be mangled. 1703f85e193739c953358c865005855253af4f68a497John McCall break; 1704f85e193739c953358c865005855253af4f68a497John McCall } 1705f85e193739c953358c865005855253af4f68a497John McCall if (!LifetimeName.empty()) 1706f85e193739c953358c865005855253af4f68a497John McCall Out << 'U' << LifetimeName.size() << LifetimeName; 17075f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 17085f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 17090a9a6d68979619a621fedc5089674487f720f765Douglas Gregorvoid CXXNameMangler::mangleRefQualifier(RefQualifierKind RefQualifier) { 17100a9a6d68979619a621fedc5089674487f720f765Douglas Gregor // <ref-qualifier> ::= R # lvalue reference 17110a9a6d68979619a621fedc5089674487f720f765Douglas Gregor // ::= O # rvalue-reference 17120a9a6d68979619a621fedc5089674487f720f765Douglas Gregor // Proposal to Itanium C++ ABI list on 1/26/11 17130a9a6d68979619a621fedc5089674487f720f765Douglas Gregor switch (RefQualifier) { 17140a9a6d68979619a621fedc5089674487f720f765Douglas Gregor case RQ_None: 17150a9a6d68979619a621fedc5089674487f720f765Douglas Gregor break; 17160a9a6d68979619a621fedc5089674487f720f765Douglas Gregor 17170a9a6d68979619a621fedc5089674487f720f765Douglas Gregor case RQ_LValue: 17180a9a6d68979619a621fedc5089674487f720f765Douglas Gregor Out << 'R'; 17190a9a6d68979619a621fedc5089674487f720f765Douglas Gregor break; 17200a9a6d68979619a621fedc5089674487f720f765Douglas Gregor 17210a9a6d68979619a621fedc5089674487f720f765Douglas Gregor case RQ_RValue: 17220a9a6d68979619a621fedc5089674487f720f765Douglas Gregor Out << 'O'; 17230a9a6d68979619a621fedc5089674487f720f765Douglas Gregor break; 17240a9a6d68979619a621fedc5089674487f720f765Douglas Gregor } 17250a9a6d68979619a621fedc5089674487f720f765Douglas Gregor} 17260a9a6d68979619a621fedc5089674487f720f765Douglas Gregor 17277b06f6c20e124afa4d1fde85b1dd721462f2d912Anders Carlssonvoid CXXNameMangler::mangleObjCMethodName(const ObjCMethodDecl *MD) { 1728f0be979bddb8baa28e77693a3dc931e487b2a9f2Rafael Espindola Context.mangleObjCMethodName(MD, Out); 17297b06f6c20e124afa4d1fde85b1dd721462f2d912Anders Carlsson} 17307b06f6c20e124afa4d1fde85b1dd721462f2d912Anders Carlsson 1731f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregorvoid CXXNameMangler::mangleType(QualType T) { 1732f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // If our type is instantiation-dependent but not dependent, we mangle 1733f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // it as it was written in the source, removing any top-level sugar. 1734f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // Otherwise, use the canonical type. 1735f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // 1736f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // FIXME: This is an approximation of the instantiation-dependent name 1737f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // mangling rules, since we should really be using the type as written and 1738f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // augmented via semantic analysis (i.e., with implicit conversions and 1739f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // default template arguments) for any instantiation-dependent type. 1740f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // Unfortunately, that requires several changes to our AST: 1741f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // - Instantiation-dependent TemplateSpecializationTypes will need to be 1742f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // uniqued, so that we can handle substitutions properly 1743f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // - Default template arguments will need to be represented in the 1744f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // TemplateSpecializationType, since they need to be mangled even though 1745f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // they aren't written. 1746f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // - Conversions on non-type template arguments need to be expressed, since 1747f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // they can affect the mangling of sizeof/alignof. 1748f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor if (!T->isInstantiationDependentType() || T->isDependentType()) 1749f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor T = T.getCanonicalType(); 1750f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor else { 1751f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // Desugar any types that are purely sugar. 1752f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor do { 1753f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // Don't desugar through template specialization types that aren't 1754f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // type aliases. We need to mangle the template arguments as written. 1755f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor if (const TemplateSpecializationType *TST 1756f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor = dyn_cast<TemplateSpecializationType>(T)) 1757f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor if (!TST->isTypeAlias()) 1758f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor break; 1759f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor 1760f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor QualType Desugared 1761f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor = T.getSingleStepDesugaredType(Context.getASTContext()); 1762f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor if (Desugared == T) 1763f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor break; 1764f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor 1765f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor T = Desugared; 1766f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor } while (true); 1767f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor } 1768f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor SplitQualType split = T.split(); 1769200fa53fd420aa8369586f569dbece04930ad6a3John McCall Qualifiers quals = split.Quals; 1770200fa53fd420aa8369586f569dbece04930ad6a3John McCall const Type *ty = split.Ty; 1771b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall 1772f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor bool isSubstitutable = quals || !isa<BuiltinType>(T); 1773f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor if (isSubstitutable && mangleSubstitution(T)) 17747696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson return; 17757696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson 1776b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall // If we're mangling a qualified array type, push the qualifiers to 1777b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall // the element type. 1778f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor if (quals && isa<ArrayType>(T)) { 1779f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor ty = Context.getASTContext().getAsArrayType(T); 1780b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall quals = Qualifiers(); 1781b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall 1782f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // Note that we don't update T: we want to add the 1783f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // substitution at the original type. 1784b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall } 1785b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall 1786b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall if (quals) { 1787b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall mangleQualifiers(quals); 17880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Recurse: even if the qualified type isn't yet substitutable, 17890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // the unqualified type might be. 1790b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall mangleType(QualType(ty, 0)); 17917696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson } else { 1792b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall switch (ty->getTypeClass()) { 1793efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall#define ABSTRACT_TYPE(CLASS, PARENT) 1794efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall#define NON_CANONICAL_TYPE(CLASS, PARENT) \ 17957696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson case Type::CLASS: \ 17969f61aa9e280adea9fbf3365f0e4f6ed568c9885aJeffrey Yasskin llvm_unreachable("can't mangle non-canonical type " #CLASS "Type"); \ 17977696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson return; 1798efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall#define TYPE(CLASS, PARENT) \ 17997696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson case Type::CLASS: \ 1800b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall mangleType(static_cast<const CLASS##Type*>(ty)); \ 18017696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson break; 1802efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall#include "clang/AST/TypeNodes.def" 18037696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson } 18044843e584b54460973b8445d38907bab0401ebb0cAnders Carlsson } 18057696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson 18067696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson // Add the substitution. 1807b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall if (isSubstitutable) 1808f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor addSubstitution(T); 18095f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 18105f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 18111b12a3bb4d4c0db74fc97be724beefec7366b460Douglas Gregorvoid CXXNameMangler::mangleNameOrStandardSubstitution(const NamedDecl *ND) { 18121b12a3bb4d4c0db74fc97be724beefec7366b460Douglas Gregor if (!mangleStandardSubstitution(ND)) 18131b12a3bb4d4c0db74fc97be724beefec7366b460Douglas Gregor mangleName(ND); 18141b12a3bb4d4c0db74fc97be724beefec7366b460Douglas Gregor} 18151b12a3bb4d4c0db74fc97be724beefec7366b460Douglas Gregor 18165f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregorvoid CXXNameMangler::mangleType(const BuiltinType *T) { 1817efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall // <type> ::= <builtin-type> 18185f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // <builtin-type> ::= v # void 18195f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= w # wchar_t 18205f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= b # bool 18215f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= c # char 18225f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= a # signed char 18235f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= h # unsigned char 18245f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= s # short 18255f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= t # unsigned short 18265f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= i # int 18275f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= j # unsigned int 18285f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= l # long 18295f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= m # unsigned long 18305f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= x # long long, __int64 18315f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= y # unsigned long long, __int64 18325f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= n # __int128 18335f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // UNSUPPORTED: ::= o # unsigned __int128 18345f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= f # float 18355f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= d # double 18365f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= e # long double, __float80 18375f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // UNSUPPORTED: ::= g # __float128 18385f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // UNSUPPORTED: ::= Dd # IEEE 754r decimal floating point (64 bits) 18395f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // UNSUPPORTED: ::= De # IEEE 754r decimal floating point (128 bits) 18405f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // UNSUPPORTED: ::= Df # IEEE 754r decimal floating point (32 bits) 1841aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov // ::= Dh # IEEE 754r half-precision floating point (16 bits) 1842f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith // ::= Di # char32_t 1843f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith // ::= Ds # char16_t 1844e292368afa63337f5ff64c967857a898d6f868daAnders Carlsson // ::= Dn # std::nullptr_t (i.e., decltype(nullptr)) 18455f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= u <source-name> # vendor extended type 18465f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor switch (T->getKind()) { 18475f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::Void: Out << 'v'; break; 18485f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::Bool: Out << 'b'; break; 18495f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::Char_U: case BuiltinType::Char_S: Out << 'c'; break; 18505f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::UChar: Out << 'h'; break; 18515f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::UShort: Out << 't'; break; 18525f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::UInt: Out << 'j'; break; 18535f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::ULong: Out << 'm'; break; 18545f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::ULongLong: Out << 'y'; break; 18552df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: Out << 'o'; break; 18565f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::SChar: Out << 'a'; break; 18573f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 18583f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: Out << 'w'; break; 1859f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: Out << "Ds"; break; 1860f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: Out << "Di"; break; 18615f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::Short: Out << 's'; break; 18625f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::Int: Out << 'i'; break; 18635f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::Long: Out << 'l'; break; 18645f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::LongLong: Out << 'x'; break; 18652df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: Out << 'n'; break; 1866aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov case BuiltinType::Half: Out << "Dh"; break; 18675f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::Float: Out << 'f'; break; 18685f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::Double: Out << 'd'; break; 18695f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::LongDouble: Out << 'e'; break; 1870e292368afa63337f5ff64c967857a898d6f868daAnders Carlsson case BuiltinType::NullPtr: Out << "Dn"; break; 18715f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 1872e0a22d06888c13989b3f72db319f1d498bf69153John McCall#define BUILTIN_TYPE(Id, SingletonId) 1873e0a22d06888c13989b3f72db319f1d498bf69153John McCall#define PLACEHOLDER_TYPE(Id, SingletonId) \ 1874e0a22d06888c13989b3f72db319f1d498bf69153John McCall case BuiltinType::Id: 1875e0a22d06888c13989b3f72db319f1d498bf69153John McCall#include "clang/AST/BuiltinTypes.def" 18765f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::Dependent: 1877fb44de956f27875def889482b5393475060392afJohn McCall llvm_unreachable("mangling a placeholder type"); 18789533a7fdb8397421f3be52e879442460a87389f6Steve Naroff case BuiltinType::ObjCId: Out << "11objc_object"; break; 18799533a7fdb8397421f3be52e879442460a87389f6Steve Naroff case BuiltinType::ObjCClass: Out << "10objc_class"; break; 188013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian case BuiltinType::ObjCSel: Out << "13objc_selector"; break; 18815f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor } 18825f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 18835f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 1884efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <type> ::= <function-type> 1885efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <function-type> ::= F [Y] <bare-function-type> E 1886efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const FunctionProtoType *T) { 18875f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Out << 'F'; 1888f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // FIXME: We don't have enough information in the AST to produce the 'Y' 1889f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // encoding for extern "C" function types. 18905f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor mangleBareFunctionType(T, /*MangleReturnType=*/true); 18915f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Out << 'E'; 18925f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 1893efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const FunctionNoProtoType *T) { 18949f61aa9e280adea9fbf3365f0e4f6ed568c9885aJeffrey Yasskin llvm_unreachable("Can't mangle K&R function prototypes"); 1895efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 18965f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregorvoid CXXNameMangler::mangleBareFunctionType(const FunctionType *T, 18975f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor bool MangleReturnType) { 1898efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall // We should never be mangling something without a prototype. 1899efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall const FunctionProtoType *Proto = cast<FunctionProtoType>(T); 1900efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall 1901fb44de956f27875def889482b5393475060392afJohn McCall // Record that we're in a function type. See mangleFunctionParam 1902fb44de956f27875def889482b5393475060392afJohn McCall // for details on what we're trying to achieve here. 1903fb44de956f27875def889482b5393475060392afJohn McCall FunctionTypeDepthState saved = FunctionTypeDepth.push(); 1904fb44de956f27875def889482b5393475060392afJohn McCall 19055f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // <bare-function-type> ::= <signature type>+ 1906fb44de956f27875def889482b5393475060392afJohn McCall if (MangleReturnType) { 1907fb44de956f27875def889482b5393475060392afJohn McCall FunctionTypeDepth.enterResultType(); 1908efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(Proto->getResultType()); 1909fb44de956f27875def889482b5393475060392afJohn McCall FunctionTypeDepth.leaveResultType(); 1910fb44de956f27875def889482b5393475060392afJohn McCall } 19115f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 191293296683a70eed2fae0b694748ed4cc51c53aef4Anders Carlsson if (Proto->getNumArgs() == 0 && !Proto->isVariadic()) { 1913a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // <builtin-type> ::= v # void 1914c6c91bc019ff7fa09f6570025ba011aad4c0d004Anders Carlsson Out << 'v'; 1915fb44de956f27875def889482b5393475060392afJohn McCall 1916fb44de956f27875def889482b5393475060392afJohn McCall FunctionTypeDepth.pop(saved); 1917c6c91bc019ff7fa09f6570025ba011aad4c0d004Anders Carlsson return; 1918c6c91bc019ff7fa09f6570025ba011aad4c0d004Anders Carlsson } 19191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 192072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor for (FunctionProtoType::arg_type_iterator Arg = Proto->arg_type_begin(), 19211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ArgEnd = Proto->arg_type_end(); 19225f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Arg != ArgEnd; ++Arg) 192379e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor mangleType(Context.getASTContext().getSignatureParameterType(*Arg)); 1924219cc61b505960195d538052f0e629b387ad60caDouglas Gregor 1925fb44de956f27875def889482b5393475060392afJohn McCall FunctionTypeDepth.pop(saved); 1926fb44de956f27875def889482b5393475060392afJohn McCall 1927219cc61b505960195d538052f0e629b387ad60caDouglas Gregor // <builtin-type> ::= z # ellipsis 1928219cc61b505960195d538052f0e629b387ad60caDouglas Gregor if (Proto->isVariadic()) 1929219cc61b505960195d538052f0e629b387ad60caDouglas Gregor Out << 'z'; 19305f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 19315f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 1932efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <type> ::= <class-enum-type> 19331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// <class-enum-type> ::= <name> 1934ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid CXXNameMangler::mangleType(const UnresolvedUsingType *T) { 1935ed97649e9574b9d854fa4d6109c9333ae0993554John McCall mangleName(T->getDecl()); 1936ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 1937ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 1938ed97649e9574b9d854fa4d6109c9333ae0993554John McCall// <type> ::= <class-enum-type> 1939ed97649e9574b9d854fa4d6109c9333ae0993554John McCall// <class-enum-type> ::= <name> 1940efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const EnumType *T) { 1941efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(static_cast<const TagType*>(T)); 1942efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 1943efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const RecordType *T) { 1944efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(static_cast<const TagType*>(T)); 1945efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 19465f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregorvoid CXXNameMangler::mangleType(const TagType *T) { 1947ecb7e932e9274a0628477d17931a06b3b109024aEli Friedman mangleName(T->getDecl()); 19485f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 19495f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 1950efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <type> ::= <array-type> 1951efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <array-type> ::= A <positive dimension number> _ <element type> 1952efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// ::= A [<dimension expression>] _ <element type> 1953efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const ConstantArrayType *T) { 1954efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall Out << 'A' << T->getSize() << '_'; 1955efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(T->getElementType()); 1956efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 1957efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const VariableArrayType *T) { 19585f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Out << 'A'; 19597281d1fbea62a4549b045bb7dc434904f2b609d8Fariborz Jahanian // decayed vla types (size 0) will just be skipped. 19607281d1fbea62a4549b045bb7dc434904f2b609d8Fariborz Jahanian if (T->getSizeExpr()) 19617281d1fbea62a4549b045bb7dc434904f2b609d8Fariborz Jahanian mangleExpression(T->getSizeExpr()); 19625f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Out << '_'; 19635f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor mangleType(T->getElementType()); 19645f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 1965efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const DependentSizedArrayType *T) { 1966efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall Out << 'A'; 1967efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleExpression(T->getSizeExpr()); 1968efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall Out << '_'; 1969efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(T->getElementType()); 1970efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 1971efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const IncompleteArrayType *T) { 1972271b665c4e357809d245c1ab811f20bf1f0dfc1fNick Lewycky Out << "A_"; 1973efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(T->getElementType()); 1974efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 19755f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 1976efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <type> ::= <pointer-to-member-type> 1977efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <pointer-to-member-type> ::= M <class type> <member type> 19785f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregorvoid CXXNameMangler::mangleType(const MemberPointerType *T) { 19795f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Out << 'M'; 19805f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor mangleType(QualType(T->getClass(), 0)); 19810e650017acdbbeb0c590e77bbea88c200ea1caefAnders Carlsson QualType PointeeType = T->getPointeeType(); 19820e650017acdbbeb0c590e77bbea88c200ea1caefAnders Carlsson if (const FunctionProtoType *FPT = dyn_cast<FunctionProtoType>(PointeeType)) { 19830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall mangleQualifiers(Qualifiers::fromCVRMask(FPT->getTypeQuals())); 19840a9a6d68979619a621fedc5089674487f720f765Douglas Gregor mangleRefQualifier(FPT->getRefQualifier()); 19850e650017acdbbeb0c590e77bbea88c200ea1caefAnders Carlsson mangleType(FPT); 19869d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson 19879d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // Itanium C++ ABI 5.1.8: 19889d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // 19899d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // The type of a non-static member function is considered to be different, 19909d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // for the purposes of substitution, from the type of a namespace-scope or 19919d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // static member function whose type appears similar. The types of two 19929d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // non-static member functions are considered to be different, for the 19939d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // purposes of substitution, if the functions are members of different 19949d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // classes. In other words, for the purposes of substitution, the class of 19959d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // which the function is a member is considered part of the type of 19969d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // function. 19979d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson 19989d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // We increment the SeqID here to emulate adding an entry to the 19999d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // substitution table. We can't actually add it because we don't want this 20009d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // particular function type to be substituted. 20019d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson ++SeqID; 20021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else 20030e650017acdbbeb0c590e77bbea88c200ea1caefAnders Carlsson mangleType(PointeeType); 20045f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 20055f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 2006efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <type> ::= <template-param> 20075f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregorvoid CXXNameMangler::mangleType(const TemplateTypeParmType *T) { 20080ccdf8d62cba2ad730001f133b6cc4836c42da83Anders Carlsson mangleTemplateParameter(T->getIndex()); 20095f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 20105f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 2011c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor// <type> ::= <template-param> 2012c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregorvoid CXXNameMangler::mangleType(const SubstTemplateTypeParmPackType *T) { 201368a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // FIXME: not clear how to mangle this! 201468a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // template <class T...> class A { 201568a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // template <class U...> void foo(T(*)(U) x...); 201668a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // }; 201768a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall Out << "_SUBSTPACK_"; 2018c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor} 2019c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2020efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <type> ::= P <type> # pointer-to 2021efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const PointerType *T) { 2022efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall Out << 'P'; 2023efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(T->getPointeeType()); 2024efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 2025efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const ObjCObjectPointerType *T) { 2026efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall Out << 'P'; 2027efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(T->getPointeeType()); 2028efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 2029efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall 2030efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <type> ::= R <type> # reference-to 2031efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const LValueReferenceType *T) { 2032efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall Out << 'R'; 2033efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(T->getPointeeType()); 2034efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 2035efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall 2036efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <type> ::= O <type> # rvalue reference-to (C++0x) 2037efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const RValueReferenceType *T) { 2038efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall Out << 'O'; 2039efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(T->getPointeeType()); 2040efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 2041efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall 2042efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <type> ::= C <type> # complex pair (C 2000) 2043efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const ComplexType *T) { 2044efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall Out << 'C'; 2045efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(T->getElementType()); 2046efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 2047efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall 2048c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson// ARM's ABI for Neon vector types specifies that they should be mangled as 204957147a8615bca96e067975fe931baf5d741876a4Bob Wilson// if they are structs (to match ARM's initial implementation). The 205057147a8615bca96e067975fe931baf5d741876a4Bob Wilson// vector type must be one of the special types predefined by ARM. 205157147a8615bca96e067975fe931baf5d741876a4Bob Wilsonvoid CXXNameMangler::mangleNeonVectorType(const VectorType *T) { 2052c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson QualType EltType = T->getElementType(); 205357147a8615bca96e067975fe931baf5d741876a4Bob Wilson assert(EltType->isBuiltinType() && "Neon vector element not a BuiltinType"); 2054c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson const char *EltName = 0; 2055491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson if (T->getVectorKind() == VectorType::NeonPolyVector) { 2056491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson switch (cast<BuiltinType>(EltType)->getKind()) { 20574cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson case BuiltinType::SChar: EltName = "poly8_t"; break; 20584cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson case BuiltinType::Short: EltName = "poly16_t"; break; 205957147a8615bca96e067975fe931baf5d741876a4Bob Wilson default: llvm_unreachable("unexpected Neon polynomial vector element type"); 2060491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson } 2061491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson } else { 2062491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson switch (cast<BuiltinType>(EltType)->getKind()) { 20634cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson case BuiltinType::SChar: EltName = "int8_t"; break; 20644cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson case BuiltinType::UChar: EltName = "uint8_t"; break; 20654cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson case BuiltinType::Short: EltName = "int16_t"; break; 20664cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson case BuiltinType::UShort: EltName = "uint16_t"; break; 20674cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson case BuiltinType::Int: EltName = "int32_t"; break; 20684cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson case BuiltinType::UInt: EltName = "uint32_t"; break; 20694cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson case BuiltinType::LongLong: EltName = "int64_t"; break; 20704cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson case BuiltinType::ULongLong: EltName = "uint64_t"; break; 20714cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson case BuiltinType::Float: EltName = "float32_t"; break; 207257147a8615bca96e067975fe931baf5d741876a4Bob Wilson default: llvm_unreachable("unexpected Neon vector element type"); 2073491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson } 2074c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson } 2075c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson const char *BaseName = 0; 20764cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson unsigned BitSize = (T->getNumElements() * 20773a7230218d37de975096280472fa55294024b728Bob Wilson getASTContext().getTypeSize(EltType)); 2078c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson if (BitSize == 64) 2079c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson BaseName = "__simd64_"; 208057147a8615bca96e067975fe931baf5d741876a4Bob Wilson else { 208157147a8615bca96e067975fe931baf5d741876a4Bob Wilson assert(BitSize == 128 && "Neon vector type not 64 or 128 bits"); 2082c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson BaseName = "__simd128_"; 208357147a8615bca96e067975fe931baf5d741876a4Bob Wilson } 2084c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson Out << strlen(BaseName) + strlen(EltName); 2085c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson Out << BaseName << EltName; 2086c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson} 2087c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson 2088efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// GNU extension: vector types 2089788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner// <type> ::= <vector-type> 2090788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner// <vector-type> ::= Dv <positive dimension number> _ 2091788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner// <extended element type> 2092788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner// ::= Dv [<dimension expression>] _ <element type> 2093788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner// <extended element type> ::= <element type> 2094788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner// ::= p # AltiVec vector pixel 2095efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const VectorType *T) { 2096491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson if ((T->getVectorKind() == VectorType::NeonVector || 209757147a8615bca96e067975fe931baf5d741876a4Bob Wilson T->getVectorKind() == VectorType::NeonPolyVector)) { 209857147a8615bca96e067975fe931baf5d741876a4Bob Wilson mangleNeonVectorType(T); 2099c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson return; 210057147a8615bca96e067975fe931baf5d741876a4Bob Wilson } 21010e5f067da58e43aa9bdfd1317283b52d4beeb19aNick Lewycky Out << "Dv" << T->getNumElements() << '_'; 2102e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson if (T->getVectorKind() == VectorType::AltiVecPixel) 2103788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Out << 'p'; 2104e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson else if (T->getVectorKind() == VectorType::AltiVecBool) 2105788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Out << 'b'; 2106788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner else 2107788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner mangleType(T->getElementType()); 2108efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 2109efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const ExtVectorType *T) { 2110efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(static_cast<const VectorType*>(T)); 2111efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 2112efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const DependentSizedExtVectorType *T) { 21130e5f067da58e43aa9bdfd1317283b52d4beeb19aNick Lewycky Out << "Dv"; 21140e5f067da58e43aa9bdfd1317283b52d4beeb19aNick Lewycky mangleExpression(T->getSizeExpr()); 21150e5f067da58e43aa9bdfd1317283b52d4beeb19aNick Lewycky Out << '_'; 2116efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(T->getElementType()); 2117efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 2118efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall 21197536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregorvoid CXXNameMangler::mangleType(const PackExpansionType *T) { 21204fc4866945de9b0f1f77a17557060f0ff959b0b1Douglas Gregor // <type> ::= Dp <type> # pack expansion (C++0x) 2121255c269f35928a8194fb591656c67ec4ebd846ebDouglas Gregor Out << "Dp"; 21227536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor mangleType(T->getPattern()); 21237536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor} 21247536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 2125a40c5e4f6969c6e9c980e7506b6f0a9477808645Anders Carlssonvoid CXXNameMangler::mangleType(const ObjCInterfaceType *T) { 2126a40c5e4f6969c6e9c980e7506b6f0a9477808645Anders Carlsson mangleSourceName(T->getDecl()->getIdentifier()); 2127a40c5e4f6969c6e9c980e7506b6f0a9477808645Anders Carlsson} 2128a40c5e4f6969c6e9c980e7506b6f0a9477808645Anders Carlsson 2129c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallvoid CXXNameMangler::mangleType(const ObjCObjectType *T) { 2130c00c1f6638a8ca771df14133560873fc21f31234John McCall // We don't allow overloading by different protocol qualification, 2131c00c1f6638a8ca771df14133560873fc21f31234John McCall // so mangling them isn't necessary. 2132c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall mangleType(T->getBaseType()); 2133c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2134c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2135efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const BlockPointerType *T) { 2136f28c687866aed1ed7b4b9ddf44a51673861236cfAnders Carlsson Out << "U13block_pointer"; 2137f28c687866aed1ed7b4b9ddf44a51673861236cfAnders Carlsson mangleType(T->getPointeeType()); 2138efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 2139efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall 214031f17ecbef57b5679c017c375db330546b7b5145John McCallvoid CXXNameMangler::mangleType(const InjectedClassNameType *T) { 214131f17ecbef57b5679c017c375db330546b7b5145John McCall // Mangle injected class name types as if the user had written the 214231f17ecbef57b5679c017c375db330546b7b5145John McCall // specialization out fully. It may not actually be possible to see 214331f17ecbef57b5679c017c375db330546b7b5145John McCall // this mangling, though. 214431f17ecbef57b5679c017c375db330546b7b5145John McCall mangleType(T->getInjectedSpecializationType()); 214531f17ecbef57b5679c017c375db330546b7b5145John McCall} 214631f17ecbef57b5679c017c375db330546b7b5145John McCall 2147efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const TemplateSpecializationType *T) { 21481e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor if (TemplateDecl *TD = T->getTemplateName().getAsTemplateDecl()) { 21491e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor mangleName(TD, T->getArgs(), T->getNumArgs()); 21501e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor } else { 21511e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor if (mangleSubstitution(QualType(T, 0))) 21521e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor return; 2153c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 21541e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor mangleTemplatePrefix(T->getTemplateName()); 2155c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 21561e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor // FIXME: GCC does not appear to mangle the template arguments when 21571e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor // the template in question is a dependent template name. Should we 21581e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor // emulate that badness? 21591e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor mangleTemplateArgs(T->getTemplateName(), T->getArgs(), T->getNumArgs()); 21601e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor addSubstitution(QualType(T, 0)); 21611e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor } 2162efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 2163efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall 21644714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregorvoid CXXNameMangler::mangleType(const DependentNameType *T) { 2165ae3524866124021f3bc695886668254093c0793fAnders Carlsson // Typename types are always nested 2166ae3524866124021f3bc695886668254093c0793fAnders Carlsson Out << 'N'; 2167a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall manglePrefix(T->getQualifier()); 216833500955d731c73717af52088b7fc0e7a85681e7John McCall mangleSourceName(T->getIdentifier()); 216933500955d731c73717af52088b7fc0e7a85681e7John McCall Out << 'E'; 217033500955d731c73717af52088b7fc0e7a85681e7John McCall} 21716ab30e0c027458ff5293b898204ac2d1a789668eJohn McCall 217233500955d731c73717af52088b7fc0e7a85681e7John McCallvoid CXXNameMangler::mangleType(const DependentTemplateSpecializationType *T) { 2173aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor // Dependently-scoped template types are nested if they have a prefix. 217433500955d731c73717af52088b7fc0e7a85681e7John McCall Out << 'N'; 217533500955d731c73717af52088b7fc0e7a85681e7John McCall 217633500955d731c73717af52088b7fc0e7a85681e7John McCall // TODO: avoid making this TemplateName. 217733500955d731c73717af52088b7fc0e7a85681e7John McCall TemplateName Prefix = 217833500955d731c73717af52088b7fc0e7a85681e7John McCall getASTContext().getDependentTemplateName(T->getQualifier(), 217933500955d731c73717af52088b7fc0e7a85681e7John McCall T->getIdentifier()); 218033500955d731c73717af52088b7fc0e7a85681e7John McCall mangleTemplatePrefix(Prefix); 218133500955d731c73717af52088b7fc0e7a85681e7John McCall 218233500955d731c73717af52088b7fc0e7a85681e7John McCall // FIXME: GCC does not appear to mangle the template arguments when 218333500955d731c73717af52088b7fc0e7a85681e7John McCall // the template in question is a dependent template name. Should we 218433500955d731c73717af52088b7fc0e7a85681e7John McCall // emulate that badness? 218533500955d731c73717af52088b7fc0e7a85681e7John McCall mangleTemplateArgs(Prefix, T->getArgs(), T->getNumArgs()); 2186ae3524866124021f3bc695886668254093c0793fAnders Carlsson Out << 'E'; 2187efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 2188efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall 2189ad5e73887052193afda72db8efcb812bd083a4a8John McCallvoid CXXNameMangler::mangleType(const TypeOfType *T) { 2190ad5e73887052193afda72db8efcb812bd083a4a8John McCall // FIXME: this is pretty unsatisfactory, but there isn't an obvious 2191ad5e73887052193afda72db8efcb812bd083a4a8John McCall // "extension with parameters" mangling. 2192ad5e73887052193afda72db8efcb812bd083a4a8John McCall Out << "u6typeof"; 2193ad5e73887052193afda72db8efcb812bd083a4a8John McCall} 2194ad5e73887052193afda72db8efcb812bd083a4a8John McCall 2195ad5e73887052193afda72db8efcb812bd083a4a8John McCallvoid CXXNameMangler::mangleType(const TypeOfExprType *T) { 2196ad5e73887052193afda72db8efcb812bd083a4a8John McCall // FIXME: this is pretty unsatisfactory, but there isn't an obvious 2197ad5e73887052193afda72db8efcb812bd083a4a8John McCall // "extension with parameters" mangling. 2198ad5e73887052193afda72db8efcb812bd083a4a8John McCall Out << "u6typeof"; 2199ad5e73887052193afda72db8efcb812bd083a4a8John McCall} 2200ad5e73887052193afda72db8efcb812bd083a4a8John McCall 2201ad5e73887052193afda72db8efcb812bd083a4a8John McCallvoid CXXNameMangler::mangleType(const DecltypeType *T) { 2202ad5e73887052193afda72db8efcb812bd083a4a8John McCall Expr *E = T->getUnderlyingExpr(); 2203193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2204ad5e73887052193afda72db8efcb812bd083a4a8John McCall // type ::= Dt <expression> E # decltype of an id-expression 2205ad5e73887052193afda72db8efcb812bd083a4a8John McCall // # or class member access 2206ad5e73887052193afda72db8efcb812bd083a4a8John McCall // ::= DT <expression> E # decltype of an expression 2207ad5e73887052193afda72db8efcb812bd083a4a8John McCall 2208ad5e73887052193afda72db8efcb812bd083a4a8John McCall // This purports to be an exhaustive list of id-expressions and 2209ad5e73887052193afda72db8efcb812bd083a4a8John McCall // class member accesses. Note that we do not ignore parentheses; 2210ad5e73887052193afda72db8efcb812bd083a4a8John McCall // parentheses change the semantics of decltype for these 2211ad5e73887052193afda72db8efcb812bd083a4a8John McCall // expressions (and cause the mangler to use the other form). 2212ad5e73887052193afda72db8efcb812bd083a4a8John McCall if (isa<DeclRefExpr>(E) || 2213ad5e73887052193afda72db8efcb812bd083a4a8John McCall isa<MemberExpr>(E) || 2214ad5e73887052193afda72db8efcb812bd083a4a8John McCall isa<UnresolvedLookupExpr>(E) || 2215ad5e73887052193afda72db8efcb812bd083a4a8John McCall isa<DependentScopeDeclRefExpr>(E) || 2216ad5e73887052193afda72db8efcb812bd083a4a8John McCall isa<CXXDependentScopeMemberExpr>(E) || 2217ad5e73887052193afda72db8efcb812bd083a4a8John McCall isa<UnresolvedMemberExpr>(E)) 2218ad5e73887052193afda72db8efcb812bd083a4a8John McCall Out << "Dt"; 2219ad5e73887052193afda72db8efcb812bd083a4a8John McCall else 2220ad5e73887052193afda72db8efcb812bd083a4a8John McCall Out << "DT"; 2221ad5e73887052193afda72db8efcb812bd083a4a8John McCall mangleExpression(E); 2222ad5e73887052193afda72db8efcb812bd083a4a8John McCall Out << 'E'; 2223ad5e73887052193afda72db8efcb812bd083a4a8John McCall} 2224ad5e73887052193afda72db8efcb812bd083a4a8John McCall 2225ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntvoid CXXNameMangler::mangleType(const UnaryTransformType *T) { 2226ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt // If this is dependent, we need to record that. If not, we simply 2227ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt // mangle it as the underlying type since they are equivalent. 2228ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt if (T->isDependentType()) { 2229ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt Out << 'U'; 2230ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 2231ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt switch (T->getUTTKind()) { 2232ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt case UnaryTransformType::EnumUnderlyingType: 2233ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt Out << "3eut"; 2234ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt break; 2235ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt } 2236ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt } 2237ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 2238ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt mangleType(T->getUnderlyingType()); 2239ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt} 2240ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 224134b41d939a1328f484511c6002ba2456db879a29Richard Smithvoid CXXNameMangler::mangleType(const AutoType *T) { 224234b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType D = T->getDeducedType(); 2243967ecd3bed2b7f6ea04a1592dced6fc5d44d0b5dRichard Smith // <builtin-type> ::= Da # dependent auto 2244967ecd3bed2b7f6ea04a1592dced6fc5d44d0b5dRichard Smith if (D.isNull()) 2245967ecd3bed2b7f6ea04a1592dced6fc5d44d0b5dRichard Smith Out << "Da"; 2246967ecd3bed2b7f6ea04a1592dced6fc5d44d0b5dRichard Smith else 2247967ecd3bed2b7f6ea04a1592dced6fc5d44d0b5dRichard Smith mangleType(D); 224834b41d939a1328f484511c6002ba2456db879a29Richard Smith} 224934b41d939a1328f484511c6002ba2456db879a29Richard Smith 2250b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedmanvoid CXXNameMangler::mangleType(const AtomicType *T) { 2251b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // <type> ::= U <source-name> <type> # vendor extended type qualifier 2252b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // (Until there's a standardized mangling...) 2253b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman Out << "U7_Atomic"; 2254b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman mangleType(T->getValueType()); 2255b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman} 2256b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 2257193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnamvoid CXXNameMangler::mangleIntegerLiteral(QualType T, 2258e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson const llvm::APSInt &Value) { 2259e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson // <expr-primary> ::= L <type> <value number> E # integer literal 2260e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson Out << 'L'; 2261193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2262e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson mangleType(T); 2263e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson if (T->isBooleanType()) { 2264e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson // Boolean values are encoded as 0/1. 2265e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson Out << (Value.getBoolValue() ? '1' : '0'); 2266e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson } else { 22670512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleNumber(Value); 2268e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson } 2269e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson Out << 'E'; 2270193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2271e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson} 2272e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson 22732f27bf854f0519810b34afd209089cc75536b757John McCall/// Mangles a member expression. Implicit accesses are not handled, 22742f27bf854f0519810b34afd209089cc75536b757John McCall/// but that should be okay, because you shouldn't be able to 22752f27bf854f0519810b34afd209089cc75536b757John McCall/// make an implicit access in a function template declaration. 2276a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCallvoid CXXNameMangler::mangleMemberExpr(const Expr *base, 2277a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall bool isArrow, 2278a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall NestedNameSpecifier *qualifier, 2279a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall NamedDecl *firstQualifierLookup, 2280a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall DeclarationName member, 2281a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall unsigned arity) { 2282a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // <expression> ::= dt <expression> <unresolved-name> 2283a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // ::= pt <expression> <unresolved-name> 2284a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall Out << (isArrow ? "pt" : "dt"); 2285a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleExpression(base); 2286a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleUnresolvedName(qualifier, firstQualifierLookup, member, arity); 22872f27bf854f0519810b34afd209089cc75536b757John McCall} 22882f27bf854f0519810b34afd209089cc75536b757John McCall 22895a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall/// Look at the callee of the given call expression and determine if 22905a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall/// it's a parenthesized id-expression which would have triggered ADL 22915a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall/// otherwise. 22925a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCallstatic bool isParenthesizedADLCallee(const CallExpr *call) { 22935a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall const Expr *callee = call->getCallee(); 22945a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall const Expr *fn = callee->IgnoreParens(); 22955a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall 22965a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // Must be parenthesized. IgnoreParens() skips __extension__ nodes, 22975a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // too, but for those to appear in the callee, it would have to be 22985a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // parenthesized. 22995a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall if (callee == fn) return false; 23005a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall 23015a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // Must be an unresolved lookup. 23025a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall const UnresolvedLookupExpr *lookup = dyn_cast<UnresolvedLookupExpr>(fn); 23035a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall if (!lookup) return false; 23045a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall 23055a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall assert(!lookup->requiresADL()); 23065a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall 23075a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // Must be an unqualified lookup. 23085a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall if (lookup->getQualifier()) return false; 23095a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall 23105a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // Must not have found a class member. Note that if one is a class 23115a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // member, they're all class members. 23125a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall if (lookup->getNumDecls() > 0 && 23135a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall (*lookup->decls_begin())->isCXXClassMember()) 23145a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall return false; 23155a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall 23165a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // Otherwise, ADL would have been triggered. 23175a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall return true; 23185a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall} 23195a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall 23205e1e89b8af283af34943a477dc6378f1a641df26John McCallvoid CXXNameMangler::mangleExpression(const Expr *E, unsigned Arity) { 2321d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson // <expression> ::= <unary operator-name> <expression> 232209cc141c89a5e9f305c17d7a88298647df16ceddJohn McCall // ::= <binary operator-name> <expression> <expression> 232309cc141c89a5e9f305c17d7a88298647df16ceddJohn McCall // ::= <trinary operator-name> <expression> <expression> <expression> 2324d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson // ::= cv <type> expression # conversion with one argument 2325d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson // ::= cv <type> _ <expression>* E # conversion with a different number of arguments 2326a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // ::= st <type> # sizeof (a type) 2327d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson // ::= at <type> # alignof (a type) 2328d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson // ::= <template-param> 2329d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson // ::= <function-param> 2330d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson // ::= sr <type> <unqualified-name> # dependent name 2331d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson // ::= sr <type> <unqualified-name> <template-args> # dependent template-id 233263f62df485de57c6b0db167d96bb0f92562adb7bDouglas Gregor // ::= ds <expression> <expression> # expr.*expr 2333d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson // ::= sZ <template-param> # size of a parameter pack 23344fc4866945de9b0f1f77a17557060f0ff959b0b1Douglas Gregor // ::= sZ <function-param> # size of a function parameter pack 233509cc141c89a5e9f305c17d7a88298647df16ceddJohn McCall // ::= <expr-primary> 23361dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall // <expr-primary> ::= L <type> <value number> E # integer literal 23371dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall // ::= L <type <value float> E # floating literal 23381dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall // ::= L <mangled-name> E # external name 2339edee94b615059ad178b06a489312eca6e049609aDouglas Gregor QualType ImplicitlyConvertedToType; 2340edee94b615059ad178b06a489312eca6e049609aDouglas Gregor 2341edee94b615059ad178b06a489312eca6e049609aDouglas Gregorrecurse: 2342d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson switch (E->getStmtClass()) { 23436ae1f35cedb5a847f15f86bdb227b7bbe574a344John McCall case Expr::NoStmtClass: 234463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall#define ABSTRACT_STMT(Type) 23456ae1f35cedb5a847f15f86bdb227b7bbe574a344John McCall#define EXPR(Type, Base) 23466ae1f35cedb5a847f15f86bdb227b7bbe574a344John McCall#define STMT(Type, Base) \ 23476ae1f35cedb5a847f15f86bdb227b7bbe574a344John McCall case Expr::Type##Class: 23484bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#include "clang/AST/StmtNodes.inc" 23490512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // fallthrough 23500512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 23510512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // These all can only appear in local or variable-initialization 23520512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // contexts and so should never appear in a mangling. 23530512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::AddrLabelExprClass: 23540512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CXXThisExprClass: 23550512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::DesignatedInitExprClass: 23560512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ImplicitValueInitExprClass: 23570512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ParenListExprClass: 235801d08018b7cf5ce1601707cfd7a84d22015fc04eDouglas Gregor case Expr::LambdaExprClass: 235909cc141c89a5e9f305c17d7a88298647df16ceddJohn McCall llvm_unreachable("unexpected statement kind"); 236009cc141c89a5e9f305c17d7a88298647df16ceddJohn McCall 23610512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // FIXME: invent manglings for all these. 23620512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::BlockExprClass: 23630512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CXXPseudoDestructorExprClass: 23640512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ChooseExprClass: 23650512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CompoundLiteralExprClass: 23660512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ExtVectorElementExprClass: 2367f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne case Expr::GenericSelectionExprClass: 23680512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ObjCEncodeExprClass: 23690512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ObjCIsaExprClass: 23700512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ObjCIvarRefExprClass: 23710512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ObjCMessageExprClass: 23720512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ObjCPropertyRefExprClass: 23730512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ObjCProtocolExprClass: 23740512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ObjCSelectorExprClass: 23750512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ObjCStringLiteralClass: 2376ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case Expr::ObjCNumericLiteralClass: 2377ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case Expr::ObjCArrayLiteralClass: 2378ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case Expr::ObjCDictionaryLiteralClass: 2379ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case Expr::ObjCSubscriptRefExprClass: 2380f85e193739c953358c865005855253af4f68a497John McCall case Expr::ObjCIndirectCopyRestoreExprClass: 23810512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::OffsetOfExprClass: 23820512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::PredefinedExprClass: 23830512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ShuffleVectorExprClass: 23840512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::StmtExprClass: 23850512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::UnaryTypeTraitExprClass: 23866ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet case Expr::BinaryTypeTraitExprClass: 23874ca8ac2e61c37ddadf37024af86f3e1019af8532Douglas Gregor case Expr::TypeTraitExprClass: 238821ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley case Expr::ArrayTypeTraitExprClass: 2389552622067dc45013d240f73952fece703f5e63bdJohn Wiegley case Expr::ExpressionTraitExprClass: 23909be88403e965cc49af76c9d33d818781d44b333eFrancois Pichet case Expr::VAArgExprClass: 23912e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl case Expr::CXXUuidofExprClass: 2392e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne case Expr::CXXNoexceptExprClass: 239361eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner case Expr::CUDAKernelCallExprClass: 239461eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner case Expr::AsTypeExprClass: 23954b9c2d235fb9449e249d74f48ecfec601650de93John McCall case Expr::PseudoObjectExprClass: 2396276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman case Expr::AtomicExprClass: 239761eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner { 23986ae1f35cedb5a847f15f86bdb227b7bbe574a344John McCall // As bad as this diagnostic is, it's better than crashing. 2399d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie DiagnosticsEngine &Diags = Context.getDiags(); 2400d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, 24016ae1f35cedb5a847f15f86bdb227b7bbe574a344John McCall "cannot yet mangle expression type %0"); 240233e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis Diags.Report(E->getExprLoc(), DiagID) 2403739bf09fc6c7e34a86f1b049b44e58a4718dd348John McCall << E->getStmtClassName() << E->getSourceRange(); 24046ae1f35cedb5a847f15f86bdb227b7bbe574a344John McCall break; 24056ae1f35cedb5a847f15f86bdb227b7bbe574a344John McCall } 24066ae1f35cedb5a847f15f86bdb227b7bbe574a344John McCall 240756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall // Even gcc-4.5 doesn't mangle this. 240856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall case Expr::BinaryConditionalOperatorClass: { 2409d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie DiagnosticsEngine &Diags = Context.getDiags(); 241056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall unsigned DiagID = 2411d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie Diags.getCustomDiagID(DiagnosticsEngine::Error, 241256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall "?: operator with omitted middle operand cannot be mangled"); 241356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall Diags.Report(E->getExprLoc(), DiagID) 241456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall << E->getStmtClassName() << E->getSourceRange(); 241556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall break; 241656ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall } 241756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 241856ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall // These are used for internal purposes and cannot be meaningfully mangled. 24197cd7d1ad33fdf49eef83942e8855fe20d95aa1b9John McCall case Expr::OpaqueValueExprClass: 24207cd7d1ad33fdf49eef83942e8855fe20d95aa1b9John McCall llvm_unreachable("cannot mangle opaque value; mangling wrong thing?"); 24217cd7d1ad33fdf49eef83942e8855fe20d95aa1b9John McCall 2422faf4ef62b6a4f5b0638e4fb7f77c33a8935bd003Sebastian Redl case Expr::InitListExprClass: { 2423faf4ef62b6a4f5b0638e4fb7f77c33a8935bd003Sebastian Redl // Proposal by Jason Merrill, 2012-01-03 2424faf4ef62b6a4f5b0638e4fb7f77c33a8935bd003Sebastian Redl Out << "il"; 2425faf4ef62b6a4f5b0638e4fb7f77c33a8935bd003Sebastian Redl const InitListExpr *InitList = cast<InitListExpr>(E); 2426faf4ef62b6a4f5b0638e4fb7f77c33a8935bd003Sebastian Redl for (unsigned i = 0, e = InitList->getNumInits(); i != e; ++i) 2427faf4ef62b6a4f5b0638e4fb7f77c33a8935bd003Sebastian Redl mangleExpression(InitList->getInit(i)); 2428faf4ef62b6a4f5b0638e4fb7f77c33a8935bd003Sebastian Redl Out << "E"; 2429faf4ef62b6a4f5b0638e4fb7f77c33a8935bd003Sebastian Redl break; 2430faf4ef62b6a4f5b0638e4fb7f77c33a8935bd003Sebastian Redl } 2431faf4ef62b6a4f5b0638e4fb7f77c33a8935bd003Sebastian Redl 24320512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CXXDefaultArgExprClass: 24335e1e89b8af283af34943a477dc6378f1a641df26John McCall mangleExpression(cast<CXXDefaultArgExpr>(E)->getExpr(), Arity); 24340512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall break; 243591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 243691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall case Expr::SubstNonTypeTemplateParmExprClass: 243791a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall mangleExpression(cast<SubstNonTypeTemplateParmExpr>(E)->getReplacement(), 243891a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Arity); 243991a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall break; 24400512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 24419fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith case Expr::UserDefinedLiteralClass: 24429fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith // We follow g++'s approach of mangling a UDL as a call to the literal 24439fcce65e7e1307b5b8da9be13e4092d6bb94dc1dRichard Smith // operator. 24440512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CXXMemberCallExprClass: // fallthrough 24451dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall case Expr::CallExprClass: { 24461dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const CallExpr *CE = cast<CallExpr>(E); 24475a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall 24485a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // <expression> ::= cp <simple-id> <expression>* E 24495a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // We use this mangling only when the call would use ADL except 24505a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // for being parenthesized. Per discussion with David 24515a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // Vandervoorde, 2011.04.25. 24525a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall if (isParenthesizedADLCallee(CE)) { 24535a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall Out << "cp"; 24545a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // The callee here is a parenthesized UnresolvedLookupExpr with 24555a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // no qualifier and should always get mangled as a <simple-id> 24565a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // anyway. 24575a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall 24585a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // <expression> ::= cl <expression>* E 24595a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall } else { 24605a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall Out << "cl"; 24615a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall } 24625a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall 24635e1e89b8af283af34943a477dc6378f1a641df26John McCall mangleExpression(CE->getCallee(), CE->getNumArgs()); 24641dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall for (unsigned I = 0, N = CE->getNumArgs(); I != N; ++I) 24651dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall mangleExpression(CE->getArg(I)); 246635f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Out << 'E'; 246709cc141c89a5e9f305c17d7a88298647df16ceddJohn McCall break; 24681dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 24691dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 24700512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CXXNewExprClass: { 24710512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall const CXXNewExpr *New = cast<CXXNewExpr>(E); 24720512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall if (New->isGlobalNew()) Out << "gs"; 24730512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << (New->isArray() ? "na" : "nw"); 24740512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall for (CXXNewExpr::const_arg_iterator I = New->placement_arg_begin(), 24750512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall E = New->placement_arg_end(); I != E; ++I) 24760512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleExpression(*I); 24770512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << '_'; 24780512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleType(New->getAllocatedType()); 24790512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall if (New->hasInitializer()) { 2480faf4ef62b6a4f5b0638e4fb7f77c33a8935bd003Sebastian Redl // Proposal by Jason Merrill, 2012-01-03 2481b76ffc5667e9bb45c63d61ebbd07e66a0456ca4fSebastian Redl if (New->getInitializationStyle() == CXXNewExpr::ListInit) 2482faf4ef62b6a4f5b0638e4fb7f77c33a8935bd003Sebastian Redl Out << "il"; 2483b76ffc5667e9bb45c63d61ebbd07e66a0456ca4fSebastian Redl else 2484b76ffc5667e9bb45c63d61ebbd07e66a0456ca4fSebastian Redl Out << "pi"; 24852aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl const Expr *Init = New->getInitializer(); 24862aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl if (const CXXConstructExpr *CCE = dyn_cast<CXXConstructExpr>(Init)) { 24872aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl // Directly inline the initializers. 24882aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl for (CXXConstructExpr::const_arg_iterator I = CCE->arg_begin(), 24892aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl E = CCE->arg_end(); 24902aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl I != E; ++I) 24912aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl mangleExpression(*I); 24922aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl } else if (const ParenListExpr *PLE = dyn_cast<ParenListExpr>(Init)) { 24932aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl for (unsigned i = 0, e = PLE->getNumExprs(); i != e; ++i) 24942aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl mangleExpression(PLE->getExpr(i)); 2495b76ffc5667e9bb45c63d61ebbd07e66a0456ca4fSebastian Redl } else if (New->getInitializationStyle() == CXXNewExpr::ListInit && 2496b76ffc5667e9bb45c63d61ebbd07e66a0456ca4fSebastian Redl isa<InitListExpr>(Init)) { 2497faf4ef62b6a4f5b0638e4fb7f77c33a8935bd003Sebastian Redl // Only take InitListExprs apart for list-initialization. 2498b76ffc5667e9bb45c63d61ebbd07e66a0456ca4fSebastian Redl const InitListExpr *InitList = cast<InitListExpr>(Init); 2499b76ffc5667e9bb45c63d61ebbd07e66a0456ca4fSebastian Redl for (unsigned i = 0, e = InitList->getNumInits(); i != e; ++i) 2500b76ffc5667e9bb45c63d61ebbd07e66a0456ca4fSebastian Redl mangleExpression(InitList->getInit(i)); 25012aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl } else 25022aed8b88613863f3c439cdfb205bdf8b608fb205Sebastian Redl mangleExpression(Init); 25030512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 25040512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << 'E'; 25050512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall break; 25060512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 25070512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 25082f27bf854f0519810b34afd209089cc75536b757John McCall case Expr::MemberExprClass: { 25092f27bf854f0519810b34afd209089cc75536b757John McCall const MemberExpr *ME = cast<MemberExpr>(E); 25102f27bf854f0519810b34afd209089cc75536b757John McCall mangleMemberExpr(ME->getBase(), ME->isArrow(), 2511a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall ME->getQualifier(), 0, ME->getMemberDecl()->getDeclName(), 25125e1e89b8af283af34943a477dc6378f1a641df26John McCall Arity); 25132f27bf854f0519810b34afd209089cc75536b757John McCall break; 25142f27bf854f0519810b34afd209089cc75536b757John McCall } 25152f27bf854f0519810b34afd209089cc75536b757John McCall 25162f27bf854f0519810b34afd209089cc75536b757John McCall case Expr::UnresolvedMemberExprClass: { 25172f27bf854f0519810b34afd209089cc75536b757John McCall const UnresolvedMemberExpr *ME = cast<UnresolvedMemberExpr>(E); 25182f27bf854f0519810b34afd209089cc75536b757John McCall mangleMemberExpr(ME->getBase(), ME->isArrow(), 2519a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall ME->getQualifier(), 0, ME->getMemberName(), 25205e1e89b8af283af34943a477dc6378f1a641df26John McCall Arity); 25216dbce19fdae4cfae4eb5f826284978e723a04e61John McCall if (ME->hasExplicitTemplateArgs()) 25226dbce19fdae4cfae4eb5f826284978e723a04e61John McCall mangleTemplateArgs(ME->getExplicitTemplateArgs()); 25232f27bf854f0519810b34afd209089cc75536b757John McCall break; 25242f27bf854f0519810b34afd209089cc75536b757John McCall } 25252f27bf854f0519810b34afd209089cc75536b757John McCall 25262f27bf854f0519810b34afd209089cc75536b757John McCall case Expr::CXXDependentScopeMemberExprClass: { 25272f27bf854f0519810b34afd209089cc75536b757John McCall const CXXDependentScopeMemberExpr *ME 25282f27bf854f0519810b34afd209089cc75536b757John McCall = cast<CXXDependentScopeMemberExpr>(E); 25292f27bf854f0519810b34afd209089cc75536b757John McCall mangleMemberExpr(ME->getBase(), ME->isArrow(), 2530a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall ME->getQualifier(), ME->getFirstQualifierFoundInScope(), 2531a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall ME->getMember(), Arity); 25326dbce19fdae4cfae4eb5f826284978e723a04e61John McCall if (ME->hasExplicitTemplateArgs()) 25336dbce19fdae4cfae4eb5f826284978e723a04e61John McCall mangleTemplateArgs(ME->getExplicitTemplateArgs()); 25342f27bf854f0519810b34afd209089cc75536b757John McCall break; 25352f27bf854f0519810b34afd209089cc75536b757John McCall } 25362f27bf854f0519810b34afd209089cc75536b757John McCall 25371dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall case Expr::UnresolvedLookupExprClass: { 25381dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const UnresolvedLookupExpr *ULE = cast<UnresolvedLookupExpr>(E); 2539a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleUnresolvedName(ULE->getQualifier(), 0, ULE->getName(), Arity); 254026a6ec7be5ad57aa380f62aa2c39cd073e22d9dcJohn McCall 254126a6ec7be5ad57aa380f62aa2c39cd073e22d9dcJohn McCall // All the <unresolved-name> productions end in a 254226a6ec7be5ad57aa380f62aa2c39cd073e22d9dcJohn McCall // base-unresolved-name, where <template-args> are just tacked 254326a6ec7be5ad57aa380f62aa2c39cd073e22d9dcJohn McCall // onto the end. 25446dbce19fdae4cfae4eb5f826284978e723a04e61John McCall if (ULE->hasExplicitTemplateArgs()) 25456dbce19fdae4cfae4eb5f826284978e723a04e61John McCall mangleTemplateArgs(ULE->getExplicitTemplateArgs()); 25461dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall break; 25471dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 25481dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 2549193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam case Expr::CXXUnresolvedConstructExprClass: { 25501dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const CXXUnresolvedConstructExpr *CE = cast<CXXUnresolvedConstructExpr>(E); 25511dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall unsigned N = CE->arg_size(); 255209cc141c89a5e9f305c17d7a88298647df16ceddJohn McCall 25531dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall Out << "cv"; 25541dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall mangleType(CE->getType()); 255535f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer if (N != 1) Out << '_'; 25561dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall for (unsigned I = 0; I != N; ++I) mangleExpression(CE->getArg(I)); 255735f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer if (N != 1) Out << 'E'; 2558193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam break; 25591dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 25601dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 25611dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall case Expr::CXXTemporaryObjectExprClass: 25621dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall case Expr::CXXConstructExprClass: { 25631dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const CXXConstructExpr *CE = cast<CXXConstructExpr>(E); 25641dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall unsigned N = CE->getNumArgs(); 256509cc141c89a5e9f305c17d7a88298647df16ceddJohn McCall 2566faf4ef62b6a4f5b0638e4fb7f77c33a8935bd003Sebastian Redl // Proposal by Jason Merrill, 2012-01-03 2567faf4ef62b6a4f5b0638e4fb7f77c33a8935bd003Sebastian Redl if (CE->isListInitialization()) 2568faf4ef62b6a4f5b0638e4fb7f77c33a8935bd003Sebastian Redl Out << "tl"; 2569faf4ef62b6a4f5b0638e4fb7f77c33a8935bd003Sebastian Redl else 2570faf4ef62b6a4f5b0638e4fb7f77c33a8935bd003Sebastian Redl Out << "cv"; 25711dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall mangleType(CE->getType()); 257235f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer if (N != 1) Out << '_'; 25731dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall for (unsigned I = 0; I != N; ++I) mangleExpression(CE->getArg(I)); 257435f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer if (N != 1) Out << 'E'; 257509cc141c89a5e9f305c17d7a88298647df16ceddJohn McCall break; 25761dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 25771dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 257841576d47d746dacd3d0753d00daf6e47ad4cab5dRichard Smith case Expr::CXXScalarValueInitExprClass: 257941576d47d746dacd3d0753d00daf6e47ad4cab5dRichard Smith Out <<"cv"; 258041576d47d746dacd3d0753d00daf6e47ad4cab5dRichard Smith mangleType(E->getType()); 258141576d47d746dacd3d0753d00daf6e47ad4cab5dRichard Smith Out <<"_E"; 258241576d47d746dacd3d0753d00daf6e47ad4cab5dRichard Smith break; 258341576d47d746dacd3d0753d00daf6e47ad4cab5dRichard Smith 2584f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne case Expr::UnaryExprOrTypeTraitExprClass: { 2585f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne const UnaryExprOrTypeTraitExpr *SAE = cast<UnaryExprOrTypeTraitExpr>(E); 2586edee94b615059ad178b06a489312eca6e049609aDouglas Gregor 2587edee94b615059ad178b06a489312eca6e049609aDouglas Gregor if (!SAE->isInstantiationDependent()) { 2588edee94b615059ad178b06a489312eca6e049609aDouglas Gregor // Itanium C++ ABI: 2589edee94b615059ad178b06a489312eca6e049609aDouglas Gregor // If the operand of a sizeof or alignof operator is not 2590edee94b615059ad178b06a489312eca6e049609aDouglas Gregor // instantiation-dependent it is encoded as an integer literal 2591edee94b615059ad178b06a489312eca6e049609aDouglas Gregor // reflecting the result of the operator. 2592edee94b615059ad178b06a489312eca6e049609aDouglas Gregor // 2593edee94b615059ad178b06a489312eca6e049609aDouglas Gregor // If the result of the operator is implicitly converted to a known 2594edee94b615059ad178b06a489312eca6e049609aDouglas Gregor // integer type, that type is used for the literal; otherwise, the type 2595edee94b615059ad178b06a489312eca6e049609aDouglas Gregor // of std::size_t or std::ptrdiff_t is used. 2596edee94b615059ad178b06a489312eca6e049609aDouglas Gregor QualType T = (ImplicitlyConvertedToType.isNull() || 2597edee94b615059ad178b06a489312eca6e049609aDouglas Gregor !ImplicitlyConvertedToType->isIntegerType())? SAE->getType() 2598edee94b615059ad178b06a489312eca6e049609aDouglas Gregor : ImplicitlyConvertedToType; 2599a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith llvm::APSInt V = SAE->EvaluateKnownConstInt(Context.getASTContext()); 2600a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith mangleIntegerLiteral(T, V); 2601edee94b615059ad178b06a489312eca6e049609aDouglas Gregor break; 2602edee94b615059ad178b06a489312eca6e049609aDouglas Gregor } 2603edee94b615059ad178b06a489312eca6e049609aDouglas Gregor 2604f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne switch(SAE->getKind()) { 2605f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne case UETT_SizeOf: 2606f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne Out << 's'; 2607f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne break; 2608f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne case UETT_AlignOf: 2609f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne Out << 'a'; 2610f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne break; 2611f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne case UETT_VecStep: 2612d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie DiagnosticsEngine &Diags = Context.getDiags(); 2613d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, 2614f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne "cannot yet mangle vec_step expression"); 2615f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne Diags.Report(DiagID); 2616f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne return; 2617f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne } 26181dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall if (SAE->isArgumentType()) { 261935f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Out << 't'; 26201dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall mangleType(SAE->getArgumentType()); 26211dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } else { 262235f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Out << 'z'; 26231dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall mangleExpression(SAE->getArgumentExpr()); 26241dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 26251dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall break; 26261dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 2627a7694087e4abaea261918ffbb3ffe38feb1da489Anders Carlsson 26280512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CXXThrowExprClass: { 26290512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall const CXXThrowExpr *TE = cast<CXXThrowExpr>(E); 26300512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 26310512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // Proposal from David Vandervoorde, 2010.06.30 26320512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall if (TE->getSubExpr()) { 26330512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << "tw"; 26340512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleExpression(TE->getSubExpr()); 26350512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } else { 26360512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << "tr"; 26370512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 26380512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall break; 26390512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 26400512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 26410512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CXXTypeidExprClass: { 26420512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall const CXXTypeidExpr *TIE = cast<CXXTypeidExpr>(E); 26430512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 26440512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // Proposal from David Vandervoorde, 2010.06.30 26450512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall if (TIE->isTypeOperand()) { 26460512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << "ti"; 26470512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleType(TIE->getTypeOperand()); 26480512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } else { 26490512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << "te"; 26500512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleExpression(TIE->getExprOperand()); 26510512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 26520512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall break; 26530512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 26540512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 26550512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CXXDeleteExprClass: { 26560512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall const CXXDeleteExpr *DE = cast<CXXDeleteExpr>(E); 26570512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 26580512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // Proposal from David Vandervoorde, 2010.06.30 26590512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall if (DE->isGlobalDelete()) Out << "gs"; 26600512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << (DE->isArrayForm() ? "da" : "dl"); 26610512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleExpression(DE->getArgument()); 26620512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall break; 26630512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 26640512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 2665e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson case Expr::UnaryOperatorClass: { 2666e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson const UnaryOperator *UO = cast<UnaryOperator>(E); 2667193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam mangleOperatorName(UnaryOperator::getOverloadedOperator(UO->getOpcode()), 2668e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson /*Arity=*/1); 2669e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson mangleExpression(UO->getSubExpr()); 2670e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson break; 2671e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson } 2672193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 26730512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ArraySubscriptExprClass: { 26740512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall const ArraySubscriptExpr *AE = cast<ArraySubscriptExpr>(E); 26750512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 2676fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner // Array subscript is treated as a syntactically weird form of 26770512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // binary operator. 26780512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << "ix"; 26790512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleExpression(AE->getLHS()); 26800512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleExpression(AE->getRHS()); 26810512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall break; 26820512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 26830512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 26840512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CompoundAssignOperatorClass: // fallthrough 2685e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson case Expr::BinaryOperatorClass: { 2686e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson const BinaryOperator *BO = cast<BinaryOperator>(E); 268763f62df485de57c6b0db167d96bb0f92562adb7bDouglas Gregor if (BO->getOpcode() == BO_PtrMemD) 268863f62df485de57c6b0db167d96bb0f92562adb7bDouglas Gregor Out << "ds"; 268963f62df485de57c6b0db167d96bb0f92562adb7bDouglas Gregor else 269063f62df485de57c6b0db167d96bb0f92562adb7bDouglas Gregor mangleOperatorName(BinaryOperator::getOverloadedOperator(BO->getOpcode()), 269163f62df485de57c6b0db167d96bb0f92562adb7bDouglas Gregor /*Arity=*/2); 2692e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson mangleExpression(BO->getLHS()); 2693193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam mangleExpression(BO->getRHS()); 2694e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson break; 26952f27bf854f0519810b34afd209089cc75536b757John McCall } 2696e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson 2697e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson case Expr::ConditionalOperatorClass: { 2698e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson const ConditionalOperator *CO = cast<ConditionalOperator>(E); 2699e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson mangleOperatorName(OO_Conditional, /*Arity=*/3); 2700e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson mangleExpression(CO->getCond()); 27015e1e89b8af283af34943a477dc6378f1a641df26John McCall mangleExpression(CO->getLHS(), Arity); 27025e1e89b8af283af34943a477dc6378f1a641df26John McCall mangleExpression(CO->getRHS(), Arity); 2703e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson break; 2704e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson } 2705e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson 270646287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor case Expr::ImplicitCastExprClass: { 2707edee94b615059ad178b06a489312eca6e049609aDouglas Gregor ImplicitlyConvertedToType = E->getType(); 2708edee94b615059ad178b06a489312eca6e049609aDouglas Gregor E = cast<ImplicitCastExpr>(E)->getSubExpr(); 2709edee94b615059ad178b06a489312eca6e049609aDouglas Gregor goto recurse; 271046287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor } 2711f85e193739c953358c865005855253af4f68a497John McCall 2712f85e193739c953358c865005855253af4f68a497John McCall case Expr::ObjCBridgedCastExprClass: { 2713f85e193739c953358c865005855253af4f68a497John McCall // Mangle ownership casts as a vendor extended operator __bridge, 2714f85e193739c953358c865005855253af4f68a497John McCall // __bridge_transfer, or __bridge_retain. 27155f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef Kind = cast<ObjCBridgedCastExpr>(E)->getBridgeKindName(); 2716f85e193739c953358c865005855253af4f68a497John McCall Out << "v1U" << Kind.size() << Kind; 2717f85e193739c953358c865005855253af4f68a497John McCall } 2718f85e193739c953358c865005855253af4f68a497John McCall // Fall through to mangle the cast itself. 2719f85e193739c953358c865005855253af4f68a497John McCall 272046287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor case Expr::CStyleCastExprClass: 272146287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor case Expr::CXXStaticCastExprClass: 272246287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor case Expr::CXXDynamicCastExprClass: 272346287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor case Expr::CXXReinterpretCastExprClass: 272446287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor case Expr::CXXConstCastExprClass: 272546287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor case Expr::CXXFunctionalCastExprClass: { 272646287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor const ExplicitCastExpr *ECE = cast<ExplicitCastExpr>(E); 272746287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor Out << "cv"; 272846287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor mangleType(ECE->getType()); 272946287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor mangleExpression(ECE->getSubExpr()); 273046287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor break; 273146287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor } 2732193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 273358040a5ee50bcaebbcbebe47fbdc5fd70be90e83Anders Carlsson case Expr::CXXOperatorCallExprClass: { 273458040a5ee50bcaebbcbebe47fbdc5fd70be90e83Anders Carlsson const CXXOperatorCallExpr *CE = cast<CXXOperatorCallExpr>(E); 273558040a5ee50bcaebbcbebe47fbdc5fd70be90e83Anders Carlsson unsigned NumArgs = CE->getNumArgs(); 273658040a5ee50bcaebbcbebe47fbdc5fd70be90e83Anders Carlsson mangleOperatorName(CE->getOperator(), /*Arity=*/NumArgs); 273758040a5ee50bcaebbcbebe47fbdc5fd70be90e83Anders Carlsson // Mangle the arguments. 273858040a5ee50bcaebbcbebe47fbdc5fd70be90e83Anders Carlsson for (unsigned i = 0; i != NumArgs; ++i) 273958040a5ee50bcaebbcbebe47fbdc5fd70be90e83Anders Carlsson mangleExpression(CE->getArg(i)); 274058040a5ee50bcaebbcbebe47fbdc5fd70be90e83Anders Carlsson break; 274158040a5ee50bcaebbcbebe47fbdc5fd70be90e83Anders Carlsson } 2742193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2743a7694087e4abaea261918ffbb3ffe38feb1da489Anders Carlsson case Expr::ParenExprClass: 27445e1e89b8af283af34943a477dc6378f1a641df26John McCall mangleExpression(cast<ParenExpr>(E)->getSubExpr(), Arity); 2745a7694087e4abaea261918ffbb3ffe38feb1da489Anders Carlsson break; 2746a7694087e4abaea261918ffbb3ffe38feb1da489Anders Carlsson 2747d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson case Expr::DeclRefExprClass: { 27485ed1bc351f36ca1086d7836baee546c39ce90dd7Douglas Gregor const NamedDecl *D = cast<DeclRefExpr>(E)->getDecl(); 27493c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 2750d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson switch (D->getKind()) { 2751193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam default: 27525ed1bc351f36ca1086d7836baee546c39ce90dd7Douglas Gregor // <expr-primary> ::= L <mangled-name> E # external name 27535ed1bc351f36ca1086d7836baee546c39ce90dd7Douglas Gregor Out << 'L'; 27545ed1bc351f36ca1086d7836baee546c39ce90dd7Douglas Gregor mangle(D, "_Z"); 27555ed1bc351f36ca1086d7836baee546c39ce90dd7Douglas Gregor Out << 'E'; 27565ed1bc351f36ca1086d7836baee546c39ce90dd7Douglas Gregor break; 27575ed1bc351f36ca1086d7836baee546c39ce90dd7Douglas Gregor 2758fb44de956f27875def889482b5393475060392afJohn McCall case Decl::ParmVar: 2759fb44de956f27875def889482b5393475060392afJohn McCall mangleFunctionParam(cast<ParmVarDecl>(D)); 2760fb44de956f27875def889482b5393475060392afJohn McCall break; 2761fb44de956f27875def889482b5393475060392afJohn McCall 27623dc7e7b9c59b9a2ed4f530b32e710a3738611df7John McCall case Decl::EnumConstant: { 27633dc7e7b9c59b9a2ed4f530b32e710a3738611df7John McCall const EnumConstantDecl *ED = cast<EnumConstantDecl>(D); 27643dc7e7b9c59b9a2ed4f530b32e710a3738611df7John McCall mangleIntegerLiteral(ED->getType(), ED->getInitVal()); 27653dc7e7b9c59b9a2ed4f530b32e710a3738611df7John McCall break; 27663dc7e7b9c59b9a2ed4f530b32e710a3738611df7John McCall } 27673dc7e7b9c59b9a2ed4f530b32e710a3738611df7John McCall 2768d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson case Decl::NonTypeTemplateParm: { 2769d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson const NonTypeTemplateParmDecl *PD = cast<NonTypeTemplateParmDecl>(D); 27700ccdf8d62cba2ad730001f133b6cc4836c42da83Anders Carlsson mangleTemplateParameter(PD->getIndex()); 2771d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson break; 2772d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson } 2773d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson 2774d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson } 27753c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 277650755b0dcc81eed9dcf27abe9162527013f26bd4Anders Carlsson break; 277750755b0dcc81eed9dcf27abe9162527013f26bd4Anders Carlsson } 27783c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 2779c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor case Expr::SubstNonTypeTemplateParmPackExprClass: 278068a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // FIXME: not clear how to mangle this! 278168a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // template <unsigned N...> class A { 278268a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // template <class U...> void foo(U (&x)[N]...); 278368a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // }; 278468a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall Out << "_SUBSTPACK_"; 2785c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor break; 2786c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2787865d447ac6a4721ab58e898d014a21f2eff74b06John McCall case Expr::DependentScopeDeclRefExprClass: { 2788865d447ac6a4721ab58e898d014a21f2eff74b06John McCall const DependentScopeDeclRefExpr *DRE = cast<DependentScopeDeclRefExpr>(E); 278926a6ec7be5ad57aa380f62aa2c39cd073e22d9dcJohn McCall mangleUnresolvedName(DRE->getQualifier(), 0, DRE->getDeclName(), Arity); 279050755b0dcc81eed9dcf27abe9162527013f26bd4Anders Carlsson 279126a6ec7be5ad57aa380f62aa2c39cd073e22d9dcJohn McCall // All the <unresolved-name> productions end in a 279226a6ec7be5ad57aa380f62aa2c39cd073e22d9dcJohn McCall // base-unresolved-name, where <template-args> are just tacked 279326a6ec7be5ad57aa380f62aa2c39cd073e22d9dcJohn McCall // onto the end. 27946dbce19fdae4cfae4eb5f826284978e723a04e61John McCall if (DRE->hasExplicitTemplateArgs()) 27956dbce19fdae4cfae4eb5f826284978e723a04e61John McCall mangleTemplateArgs(DRE->getExplicitTemplateArgs()); 279650755b0dcc81eed9dcf27abe9162527013f26bd4Anders Carlsson break; 2797d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson } 279850755b0dcc81eed9dcf27abe9162527013f26bd4Anders Carlsson 2799d93076038afe2d26e1e5cf3d68faccc44245450eJohn McCall case Expr::CXXBindTemporaryExprClass: 2800d93076038afe2d26e1e5cf3d68faccc44245450eJohn McCall mangleExpression(cast<CXXBindTemporaryExpr>(E)->getSubExpr()); 2801d93076038afe2d26e1e5cf3d68faccc44245450eJohn McCall break; 2802d93076038afe2d26e1e5cf3d68faccc44245450eJohn McCall 28034765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall case Expr::ExprWithCleanupsClass: 28044765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall mangleExpression(cast<ExprWithCleanups>(E)->getSubExpr(), Arity); 2805d93076038afe2d26e1e5cf3d68faccc44245450eJohn McCall break; 2806d93076038afe2d26e1e5cf3d68faccc44245450eJohn McCall 28071dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall case Expr::FloatingLiteralClass: { 28081dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const FloatingLiteral *FL = cast<FloatingLiteral>(E); 280935f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Out << 'L'; 28101dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall mangleType(FL->getType()); 28110512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleFloat(FL->getValue()); 281235f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Out << 'E'; 28131dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall break; 28141dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 28151dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 2816de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall case Expr::CharacterLiteralClass: 281735f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Out << 'L'; 2818de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall mangleType(E->getType()); 2819de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall Out << cast<CharacterLiteral>(E)->getValue(); 2820de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall Out << 'E'; 2821de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall break; 2822de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall 2823ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // FIXME. __objc_yes/__objc_no are mangled same as true/false 2824ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek case Expr::ObjCBoolLiteralExprClass: 2825ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek Out << "Lb"; 2826ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek Out << (cast<ObjCBoolLiteralExpr>(E)->getValue() ? '1' : '0'); 2827ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek Out << 'E'; 2828ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek break; 2829ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 2830de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall case Expr::CXXBoolLiteralExprClass: 2831de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall Out << "Lb"; 2832de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall Out << (cast<CXXBoolLiteralExpr>(E)->getValue() ? '1' : '0'); 2833de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall Out << 'E'; 2834de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall break; 2835de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall 28360512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::IntegerLiteralClass: { 28370512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall llvm::APSInt Value(cast<IntegerLiteral>(E)->getValue()); 28380512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall if (E->getType()->isSignedIntegerType()) 28390512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Value.setIsSigned(true); 28400512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleIntegerLiteral(E->getType(), Value); 2841e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson break; 28420512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 28430512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 28440512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ImaginaryLiteralClass: { 28450512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall const ImaginaryLiteral *IE = cast<ImaginaryLiteral>(E); 28460512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // Mangle as if a complex literal. 2847271b665c4e357809d245c1ab811f20bf1f0dfc1fNick Lewycky // Proposal from David Vandevoorde, 2010.06.30. 28480512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << 'L'; 28490512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleType(E->getType()); 28500512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall if (const FloatingLiteral *Imag = 28510512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall dyn_cast<FloatingLiteral>(IE->getSubExpr())) { 28520512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // Mangle a floating-point zero of the appropriate type. 28530512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleFloat(llvm::APFloat(Imag->getValue().getSemantics())); 28540512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << '_'; 28550512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleFloat(Imag->getValue()); 28560512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } else { 2857271b665c4e357809d245c1ab811f20bf1f0dfc1fNick Lewycky Out << "0_"; 28580512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall llvm::APSInt Value(cast<IntegerLiteral>(IE->getSubExpr())->getValue()); 28590512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall if (IE->getSubExpr()->getType()->isSignedIntegerType()) 28600512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Value.setIsSigned(true); 28610512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleNumber(Value); 28620512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 28630512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << 'E'; 28640512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall break; 28650512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 28660512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 28670512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::StringLiteralClass: { 28681658c39227fe0dc53e6365799a579eeb22b478d2John McCall // Revised proposal from David Vandervoorde, 2010.07.15. 28690512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << 'L'; 28701658c39227fe0dc53e6365799a579eeb22b478d2John McCall assert(isa<ConstantArrayType>(E->getType())); 28711658c39227fe0dc53e6365799a579eeb22b478d2John McCall mangleType(E->getType()); 28720512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << 'E'; 28730512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall break; 28740512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 28750512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 28760512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::GNUNullExprClass: 28770512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // FIXME: should this really be mangled the same as nullptr? 28780512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // fallthrough 28790512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 28800512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CXXNullPtrLiteralExprClass: { 28810512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // Proposal from David Vandervoorde, 2010.06.30, as 28820512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // modified by ABI list discussion. 28830512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << "LDnE"; 28840512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall break; 28850512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 2886be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2887be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor case Expr::PackExpansionExprClass: 2888be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Out << "sp"; 2889be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor mangleExpression(cast<PackExpansionExpr>(E)->getPattern()); 2890be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor break; 28912e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor 28922e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor case Expr::SizeOfPackExprClass: { 28932e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor Out << "sZ"; 28942e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor const NamedDecl *Pack = cast<SizeOfPackExpr>(E)->getPack(); 28952e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor if (const TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(Pack)) 28962e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor mangleTemplateParameter(TTP->getIndex()); 28972e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor else if (const NonTypeTemplateParmDecl *NTTP 28982e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor = dyn_cast<NonTypeTemplateParmDecl>(Pack)) 28992e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor mangleTemplateParameter(NTTP->getIndex()); 29002e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor else if (const TemplateTemplateParmDecl *TempTP 29012e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor = dyn_cast<TemplateTemplateParmDecl>(Pack)) 29022e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor mangleTemplateParameter(TempTP->getIndex()); 290391832368ef1c1158c4351bdccaa141dac818f04eDouglas Gregor else 290491832368ef1c1158c4351bdccaa141dac818f04eDouglas Gregor mangleFunctionParam(cast<ParmVarDecl>(Pack)); 2905dfbbcf964a5d51bc01340a6f830cf380f9c0a5a1Douglas Gregor break; 29062e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor } 290703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor 290803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor case Expr::MaterializeTemporaryExprClass: { 290903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor mangleExpression(cast<MaterializeTemporaryExpr>(E)->GetTemporaryExpr()); 291003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor break; 291103e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor } 2912d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson } 29135f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 29145f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 2915fb44de956f27875def889482b5393475060392afJohn McCall/// Mangle an expression which refers to a parameter variable. 2916fb44de956f27875def889482b5393475060392afJohn McCall/// 2917fb44de956f27875def889482b5393475060392afJohn McCall/// <expression> ::= <function-param> 2918fb44de956f27875def889482b5393475060392afJohn McCall/// <function-param> ::= fp <top-level CV-qualifiers> _ # L == 0, I == 0 2919fb44de956f27875def889482b5393475060392afJohn McCall/// <function-param> ::= fp <top-level CV-qualifiers> 2920fb44de956f27875def889482b5393475060392afJohn McCall/// <parameter-2 non-negative number> _ # L == 0, I > 0 2921fb44de956f27875def889482b5393475060392afJohn McCall/// <function-param> ::= fL <L-1 non-negative number> 2922fb44de956f27875def889482b5393475060392afJohn McCall/// p <top-level CV-qualifiers> _ # L > 0, I == 0 2923fb44de956f27875def889482b5393475060392afJohn McCall/// <function-param> ::= fL <L-1 non-negative number> 2924fb44de956f27875def889482b5393475060392afJohn McCall/// p <top-level CV-qualifiers> 2925fb44de956f27875def889482b5393475060392afJohn McCall/// <I-1 non-negative number> _ # L > 0, I > 0 2926fb44de956f27875def889482b5393475060392afJohn McCall/// 2927fb44de956f27875def889482b5393475060392afJohn McCall/// L is the nesting depth of the parameter, defined as 1 if the 2928fb44de956f27875def889482b5393475060392afJohn McCall/// parameter comes from the innermost function prototype scope 2929fb44de956f27875def889482b5393475060392afJohn McCall/// enclosing the current context, 2 if from the next enclosing 2930fb44de956f27875def889482b5393475060392afJohn McCall/// function prototype scope, and so on, with one special case: if 2931fb44de956f27875def889482b5393475060392afJohn McCall/// we've processed the full parameter clause for the innermost 2932fb44de956f27875def889482b5393475060392afJohn McCall/// function type, then L is one less. This definition conveniently 2933fb44de956f27875def889482b5393475060392afJohn McCall/// makes it irrelevant whether a function's result type was written 2934fb44de956f27875def889482b5393475060392afJohn McCall/// trailing or leading, but is otherwise overly complicated; the 2935fb44de956f27875def889482b5393475060392afJohn McCall/// numbering was first designed without considering references to 2936fb44de956f27875def889482b5393475060392afJohn McCall/// parameter in locations other than return types, and then the 2937fb44de956f27875def889482b5393475060392afJohn McCall/// mangling had to be generalized without changing the existing 2938fb44de956f27875def889482b5393475060392afJohn McCall/// manglings. 2939fb44de956f27875def889482b5393475060392afJohn McCall/// 2940fb44de956f27875def889482b5393475060392afJohn McCall/// I is the zero-based index of the parameter within its parameter 2941fb44de956f27875def889482b5393475060392afJohn McCall/// declaration clause. Note that the original ABI document describes 2942fb44de956f27875def889482b5393475060392afJohn McCall/// this using 1-based ordinals. 2943fb44de956f27875def889482b5393475060392afJohn McCallvoid CXXNameMangler::mangleFunctionParam(const ParmVarDecl *parm) { 2944fb44de956f27875def889482b5393475060392afJohn McCall unsigned parmDepth = parm->getFunctionScopeDepth(); 2945fb44de956f27875def889482b5393475060392afJohn McCall unsigned parmIndex = parm->getFunctionScopeIndex(); 2946fb44de956f27875def889482b5393475060392afJohn McCall 2947fb44de956f27875def889482b5393475060392afJohn McCall // Compute 'L'. 2948fb44de956f27875def889482b5393475060392afJohn McCall // parmDepth does not include the declaring function prototype. 2949fb44de956f27875def889482b5393475060392afJohn McCall // FunctionTypeDepth does account for that. 2950fb44de956f27875def889482b5393475060392afJohn McCall assert(parmDepth < FunctionTypeDepth.getDepth()); 2951fb44de956f27875def889482b5393475060392afJohn McCall unsigned nestingDepth = FunctionTypeDepth.getDepth() - parmDepth; 2952fb44de956f27875def889482b5393475060392afJohn McCall if (FunctionTypeDepth.isInResultType()) 2953fb44de956f27875def889482b5393475060392afJohn McCall nestingDepth--; 2954fb44de956f27875def889482b5393475060392afJohn McCall 2955fb44de956f27875def889482b5393475060392afJohn McCall if (nestingDepth == 0) { 2956fb44de956f27875def889482b5393475060392afJohn McCall Out << "fp"; 2957fb44de956f27875def889482b5393475060392afJohn McCall } else { 2958fb44de956f27875def889482b5393475060392afJohn McCall Out << "fL" << (nestingDepth - 1) << 'p'; 2959fb44de956f27875def889482b5393475060392afJohn McCall } 2960fb44de956f27875def889482b5393475060392afJohn McCall 2961fb44de956f27875def889482b5393475060392afJohn McCall // Top-level qualifiers. We don't have to worry about arrays here, 2962fb44de956f27875def889482b5393475060392afJohn McCall // because parameters declared as arrays should already have been 2963fb44de956f27875def889482b5393475060392afJohn McCall // tranformed to have pointer type. FIXME: apparently these don't 2964fb44de956f27875def889482b5393475060392afJohn McCall // get mangled if used as an rvalue of a known non-class type? 2965fb44de956f27875def889482b5393475060392afJohn McCall assert(!parm->getType()->isArrayType() 2966fb44de956f27875def889482b5393475060392afJohn McCall && "parameter's type is still an array type?"); 2967fb44de956f27875def889482b5393475060392afJohn McCall mangleQualifiers(parm->getType().getQualifiers()); 2968fb44de956f27875def889482b5393475060392afJohn McCall 2969fb44de956f27875def889482b5393475060392afJohn McCall // Parameter index. 2970fb44de956f27875def889482b5393475060392afJohn McCall if (parmIndex != 0) { 2971fb44de956f27875def889482b5393475060392afJohn McCall Out << (parmIndex - 1); 2972fb44de956f27875def889482b5393475060392afJohn McCall } 2973fb44de956f27875def889482b5393475060392afJohn McCall Out << '_'; 2974fb44de956f27875def889482b5393475060392afJohn McCall} 2975fb44de956f27875def889482b5393475060392afJohn McCall 29763ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlssonvoid CXXNameMangler::mangleCXXCtorType(CXXCtorType T) { 29773ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson // <ctor-dtor-name> ::= C1 # complete object constructor 29783ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson // ::= C2 # base object constructor 29793ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson // ::= C3 # complete object allocating constructor 29803ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson // 29813ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson switch (T) { 29823ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson case Ctor_Complete: 29833ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson Out << "C1"; 29843ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson break; 29853ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson case Ctor_Base: 29863ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson Out << "C2"; 29873ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson break; 29883ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson case Ctor_CompleteAllocating: 29893ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson Out << "C3"; 29903ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson break; 29913ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson } 29923ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson} 29933ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson 299427ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlssonvoid CXXNameMangler::mangleCXXDtorType(CXXDtorType T) { 299527ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson // <ctor-dtor-name> ::= D0 # deleting destructor 299627ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson // ::= D1 # complete object destructor 299727ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson // ::= D2 # base object destructor 299827ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson // 299927ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson switch (T) { 300027ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson case Dtor_Deleting: 300127ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson Out << "D0"; 300227ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson break; 300327ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson case Dtor_Complete: 300427ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson Out << "D1"; 300527ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson break; 300627ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson case Dtor_Base: 300727ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson Out << "D2"; 300827ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson break; 300927ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson } 301027ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson} 301127ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson 30126dbce19fdae4cfae4eb5f826284978e723a04e61John McCallvoid CXXNameMangler::mangleTemplateArgs( 3013b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo &TemplateArgs) { 30146dbce19fdae4cfae4eb5f826284978e723a04e61John McCall // <template-args> ::= I <template-arg>+ E 30156dbce19fdae4cfae4eb5f826284978e723a04e61John McCall Out << 'I'; 30164f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall for (unsigned i = 0, e = TemplateArgs.NumTemplateArgs; i != e; ++i) 30174f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall mangleTemplateArg(0, TemplateArgs.getTemplateArgs()[i].getArgument()); 30186dbce19fdae4cfae4eb5f826284978e723a04e61John McCall Out << 'E'; 30196dbce19fdae4cfae4eb5f826284978e723a04e61John McCall} 30206dbce19fdae4cfae4eb5f826284978e723a04e61John McCall 302120f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregorvoid CXXNameMangler::mangleTemplateArgs(TemplateName Template, 302220f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor const TemplateArgument *TemplateArgs, 302320f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor unsigned NumTemplateArgs) { 302420f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor if (TemplateDecl *TD = Template.getAsTemplateDecl()) 302520f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor return mangleTemplateArgs(*TD->getTemplateParameters(), TemplateArgs, 302620f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor NumTemplateArgs); 3027c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 30284f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall mangleUnresolvedTemplateArgs(TemplateArgs, NumTemplateArgs); 30294f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall} 30304f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall 30314f4e413f282609d4a488b44fc8669c28636a7abaJohn McCallvoid CXXNameMangler::mangleUnresolvedTemplateArgs(const TemplateArgument *args, 30324f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall unsigned numArgs) { 303320f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor // <template-args> ::= I <template-arg>+ E 303420f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor Out << 'I'; 30354f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall for (unsigned i = 0; i != numArgs; ++i) 30364f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall mangleTemplateArg(0, args[i]); 303720f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor Out << 'E'; 303820f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor} 303920f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor 3040d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindolavoid CXXNameMangler::mangleTemplateArgs(const TemplateParameterList &PL, 3041d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola const TemplateArgumentList &AL) { 30427a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson // <template-args> ::= I <template-arg>+ E 304335f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Out << 'I'; 3044d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola for (unsigned i = 0, e = AL.size(); i != e; ++i) 3045d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangleTemplateArg(PL.getParam(i), AL[i]); 304635f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Out << 'E'; 30477a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson} 30487a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson 3049d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindolavoid CXXNameMangler::mangleTemplateArgs(const TemplateParameterList &PL, 3050d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola const TemplateArgument *TemplateArgs, 30517624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson unsigned NumTemplateArgs) { 30527624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson // <template-args> ::= I <template-arg>+ E 305335f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Out << 'I'; 30547e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar for (unsigned i = 0; i != NumTemplateArgs; ++i) 3055d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangleTemplateArg(PL.getParam(i), TemplateArgs[i]); 305635f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Out << 'E'; 30577624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson} 30587624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson 3059d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindolavoid CXXNameMangler::mangleTemplateArg(const NamedDecl *P, 3060f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor TemplateArgument A) { 30611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // <template-arg> ::= <type> # type or template 30627a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson // ::= X <expression> E # expression 30637a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson // ::= <expr-primary> # simple expressions 30644fc4866945de9b0f1f77a17557060f0ff959b0b1Douglas Gregor // ::= J <template-arg>* E # argument pack 3065f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // ::= sp <expression> # pack expansion of (C++0x) 3066f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor if (!A.isInstantiationDependent() || A.isDependent()) 3067f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor A = Context.getASTContext().getCanonicalTemplateArgument(A); 3068f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor 30697a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson switch (A.getKind()) { 3070f90b27ad077c3339b62befc892382845339f9490Douglas Gregor case TemplateArgument::Null: 3071f90b27ad077c3339b62befc892382845339f9490Douglas Gregor llvm_unreachable("Cannot mangle NULL template argument"); 3072f90b27ad077c3339b62befc892382845339f9490Douglas Gregor 30737a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson case TemplateArgument::Type: 30747a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson mangleType(A.getAsType()); 30757a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson break; 30769e85c743a4cefff7386764bba3f3f2cdbe5c06e2Anders Carlsson case TemplateArgument::Template: 3077b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall // This is mangled as <type>. 3078b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall mangleType(A.getAsTemplate()); 3079193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam break; 3080a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor case TemplateArgument::TemplateExpansion: 30814fc4866945de9b0f1f77a17557060f0ff959b0b1Douglas Gregor // <type> ::= Dp <type> # pack expansion (C++0x) 3082a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor Out << "Dp"; 3083a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor mangleType(A.getAsTemplateOrTemplatePattern()); 3084a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor break; 3085092beef87b367e62f96c0057118ba540777de452John McCall case TemplateArgument::Expression: { 3086092beef87b367e62f96c0057118ba540777de452John McCall // It's possible to end up with a DeclRefExpr here in certain 3087092beef87b367e62f96c0057118ba540777de452John McCall // dependent cases, in which case we should mangle as a 3088092beef87b367e62f96c0057118ba540777de452John McCall // declaration. 3089092beef87b367e62f96c0057118ba540777de452John McCall const Expr *E = A.getAsExpr()->IgnoreParens(); 3090092beef87b367e62f96c0057118ba540777de452John McCall if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E)) { 3091092beef87b367e62f96c0057118ba540777de452John McCall const ValueDecl *D = DRE->getDecl(); 3092092beef87b367e62f96c0057118ba540777de452John McCall if (isa<VarDecl>(D) || isa<FunctionDecl>(D)) { 3093092beef87b367e62f96c0057118ba540777de452John McCall Out << "L"; 3094092beef87b367e62f96c0057118ba540777de452John McCall mangle(D, "_Z"); 3095092beef87b367e62f96c0057118ba540777de452John McCall Out << 'E'; 3096092beef87b367e62f96c0057118ba540777de452John McCall break; 3097092beef87b367e62f96c0057118ba540777de452John McCall } 3098092beef87b367e62f96c0057118ba540777de452John McCall } 3099092beef87b367e62f96c0057118ba540777de452John McCall 3100d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson Out << 'X'; 3101092beef87b367e62f96c0057118ba540777de452John McCall mangleExpression(E); 3102d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson Out << 'E'; 3103d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson break; 3104092beef87b367e62f96c0057118ba540777de452John McCall } 3105e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson case TemplateArgument::Integral: 3106e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson mangleIntegerLiteral(A.getIntegralType(), *A.getAsIntegral()); 31077e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar break; 31087e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar case TemplateArgument::Declaration: { 310920f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor assert(P && "Missing template parameter for declaration argument"); 31107e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar // <expr-primary> ::= L <mangled-name> E # external name 31111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3112d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola // Clang produces AST's where pointer-to-member-function expressions 31137e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar // and pointer-to-function expressions are represented as a declaration not 3114d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola // an expression. We compensate for it here to produce the correct mangling. 3115d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola NamedDecl *D = cast<NamedDecl>(A.getAsDecl()); 3116d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola const NonTypeTemplateParmDecl *Parameter = cast<NonTypeTemplateParmDecl>(P); 3117c0a455942453a37dd7db83eb354f40a49872ab06John McCall bool compensateMangling = !Parameter->getType()->isReferenceType(); 3118d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola if (compensateMangling) { 3119d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola Out << 'X'; 3120d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangleOperatorName(OO_Amp, 1); 3121d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola } 3122d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola 31237e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar Out << 'L'; 31247e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar // References to external entities use the mangled name; if the name would 31257e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar // not normally be manged then mangle it as unqualified. 31267e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar // 31277e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar // FIXME: The ABI specifies that external names here should have _Z, but 31287e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar // gcc leaves this off. 3129d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola if (compensateMangling) 3130d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangle(D, "_Z"); 3131d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola else 3132d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangle(D, "Z"); 31337a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson Out << 'E'; 3134d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola 3135d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola if (compensateMangling) 3136d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola Out << 'E'; 3137d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola 31387a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson break; 31397a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson } 3140f90b27ad077c3339b62befc892382845339f9490Douglas Gregor 3141f90b27ad077c3339b62befc892382845339f9490Douglas Gregor case TemplateArgument::Pack: { 3142f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // Note: proposal by Mike Herrick on 12/20/10 3143f90b27ad077c3339b62befc892382845339f9490Douglas Gregor Out << 'J'; 3144f90b27ad077c3339b62befc892382845339f9490Douglas Gregor for (TemplateArgument::pack_iterator PA = A.pack_begin(), 3145f90b27ad077c3339b62befc892382845339f9490Douglas Gregor PAEnd = A.pack_end(); 3146f90b27ad077c3339b62befc892382845339f9490Douglas Gregor PA != PAEnd; ++PA) 3147f90b27ad077c3339b62befc892382845339f9490Douglas Gregor mangleTemplateArg(P, *PA); 3148f90b27ad077c3339b62befc892382845339f9490Douglas Gregor Out << 'E'; 3149f90b27ad077c3339b62befc892382845339f9490Douglas Gregor } 31507e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar } 31517a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson} 31527a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson 31530ccdf8d62cba2ad730001f133b6cc4836c42da83Anders Carlssonvoid CXXNameMangler::mangleTemplateParameter(unsigned Index) { 31540ccdf8d62cba2ad730001f133b6cc4836c42da83Anders Carlsson // <template-param> ::= T_ # first template parameter 31550ccdf8d62cba2ad730001f133b6cc4836c42da83Anders Carlsson // ::= T <parameter-2 non-negative number> _ 31560ccdf8d62cba2ad730001f133b6cc4836c42da83Anders Carlsson if (Index == 0) 31570ccdf8d62cba2ad730001f133b6cc4836c42da83Anders Carlsson Out << "T_"; 31580ccdf8d62cba2ad730001f133b6cc4836c42da83Anders Carlsson else 31590ccdf8d62cba2ad730001f133b6cc4836c42da83Anders Carlsson Out << 'T' << (Index - 1) << '_'; 31600ccdf8d62cba2ad730001f133b6cc4836c42da83Anders Carlsson} 31610ccdf8d62cba2ad730001f133b6cc4836c42da83Anders Carlsson 316268a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCallvoid CXXNameMangler::mangleExistingSubstitution(QualType type) { 316368a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall bool result = mangleSubstitution(type); 316468a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall assert(result && "no existing substitution for type"); 316568a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall (void) result; 316668a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall} 316768a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall 316868a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCallvoid CXXNameMangler::mangleExistingSubstitution(TemplateName tname) { 316968a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall bool result = mangleSubstitution(tname); 317068a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall assert(result && "no existing substitution for template name"); 317168a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall (void) result; 317268a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall} 317368a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall 31747696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson// <substitution> ::= S <seq-id> _ 31757696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson// ::= S_ 31766862fc720b8e35ee4408822b2390020f263646b2Anders Carlssonbool CXXNameMangler::mangleSubstitution(const NamedDecl *ND) { 3177e7c8cb6b2728aa98258288d221b09bc66cc05543Anders Carlsson // Try one of the standard substitutions first. 3178e7c8cb6b2728aa98258288d221b09bc66cc05543Anders Carlsson if (mangleStandardSubstitution(ND)) 3179e7c8cb6b2728aa98258288d221b09bc66cc05543Anders Carlsson return true; 31803c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 3181433d1374409a8eeaa4b0975fa187a542d5e40c23Anders Carlsson ND = cast<NamedDecl>(ND->getCanonicalDecl()); 31826862fc720b8e35ee4408822b2390020f263646b2Anders Carlsson return mangleSubstitution(reinterpret_cast<uintptr_t>(ND)); 31836862fc720b8e35ee4408822b2390020f263646b2Anders Carlsson} 31846862fc720b8e35ee4408822b2390020f263646b2Anders Carlsson 318514795c86f1c37874afa332a7b9bc18e6a02bf420Douglas Gregor/// \brief Determine whether the given type has any qualifiers that are 318614795c86f1c37874afa332a7b9bc18e6a02bf420Douglas Gregor/// relevant for substitutions. 318714795c86f1c37874afa332a7b9bc18e6a02bf420Douglas Gregorstatic bool hasMangledSubstitutionQualifiers(QualType T) { 318814795c86f1c37874afa332a7b9bc18e6a02bf420Douglas Gregor Qualifiers Qs = T.getQualifiers(); 318914795c86f1c37874afa332a7b9bc18e6a02bf420Douglas Gregor return Qs.getCVRQualifiers() || Qs.hasAddressSpace(); 319014795c86f1c37874afa332a7b9bc18e6a02bf420Douglas Gregor} 319114795c86f1c37874afa332a7b9bc18e6a02bf420Douglas Gregor 31927696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlssonbool CXXNameMangler::mangleSubstitution(QualType T) { 319314795c86f1c37874afa332a7b9bc18e6a02bf420Douglas Gregor if (!hasMangledSubstitutionQualifiers(T)) { 3194d99edc44300b36732a14c294c93899ba28d479eaAnders Carlsson if (const RecordType *RT = T->getAs<RecordType>()) 3195d99edc44300b36732a14c294c93899ba28d479eaAnders Carlsson return mangleSubstitution(RT->getDecl()); 3196d99edc44300b36732a14c294c93899ba28d479eaAnders Carlsson } 31973c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 31987696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson uintptr_t TypePtr = reinterpret_cast<uintptr_t>(T.getAsOpaquePtr()); 31997696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson 3200d3a932a2980eef3c3ea2cd28f7946a185215d4e1Anders Carlsson return mangleSubstitution(TypePtr); 3201d3a932a2980eef3c3ea2cd28f7946a185215d4e1Anders Carlsson} 3202d3a932a2980eef3c3ea2cd28f7946a185215d4e1Anders Carlsson 32031e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregorbool CXXNameMangler::mangleSubstitution(TemplateName Template) { 32041e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor if (TemplateDecl *TD = Template.getAsTemplateDecl()) 32051e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor return mangleSubstitution(TD); 3206c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 32071e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor Template = Context.getASTContext().getCanonicalTemplateName(Template); 32081e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor return mangleSubstitution( 32091e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor reinterpret_cast<uintptr_t>(Template.getAsVoidPointer())); 32101e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor} 32111e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor 3212d3a932a2980eef3c3ea2cd28f7946a185215d4e1Anders Carlssonbool CXXNameMangler::mangleSubstitution(uintptr_t Ptr) { 321335f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer llvm::DenseMap<uintptr_t, unsigned>::iterator I = Substitutions.find(Ptr); 32147696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson if (I == Substitutions.end()) 32157696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson return false; 32163c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 32177696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson unsigned SeqID = I->second; 32187696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson if (SeqID == 0) 32197696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson Out << "S_"; 32207696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson else { 32217696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson SeqID--; 32223c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 32237696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson // <seq-id> is encoded in base-36, using digits and upper case letters. 32247696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson char Buffer[10]; 322535f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer char *BufferPtr = llvm::array_endof(Buffer); 32263c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 32277696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson if (SeqID == 0) *--BufferPtr = '0'; 32283c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 32297696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson while (SeqID) { 32307696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson assert(BufferPtr > Buffer && "Buffer overflow!"); 32313c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 32326ab30e0c027458ff5293b898204ac2d1a789668eJohn McCall char c = static_cast<char>(SeqID % 36); 32333c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 32347696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson *--BufferPtr = (c < 10 ? '0' + c : 'A' + c - 10); 32357696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson SeqID /= 36; 32367696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson } 32373c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 323835f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Out << 'S' 32395f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner << StringRef(BufferPtr, llvm::array_endof(Buffer)-BufferPtr) 324035f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer << '_'; 32417696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson } 32423c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 32437696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson return true; 32447696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson} 32457696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson 3246f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlssonstatic bool isCharType(QualType T) { 3247f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (T.isNull()) 3248f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return false; 32493c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 3250f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return T->isSpecificBuiltinType(BuiltinType::Char_S) || 3251f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson T->isSpecificBuiltinType(BuiltinType::Char_U); 3252f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson} 3253f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson 32543c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar/// isCharSpecialization - Returns whether a given type is a template 3255f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson/// specialization of a given name with a single argument of type char. 3256f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlssonstatic bool isCharSpecialization(QualType T, const char *Name) { 3257f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (T.isNull()) 3258f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return false; 32593c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 3260f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson const RecordType *RT = T->getAs<RecordType>(); 3261f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (!RT) 3262f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return false; 32633c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 32643c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar const ClassTemplateSpecializationDecl *SD = 3265f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson dyn_cast<ClassTemplateSpecializationDecl>(RT->getDecl()); 3266f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (!SD) 3267f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return false; 3268f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson 3269ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor if (!isStdNamespace(getEffectiveDeclContext(SD))) 3270f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return false; 32713c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 3272f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson const TemplateArgumentList &TemplateArgs = SD->getTemplateArgs(); 3273f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (TemplateArgs.size() != 1) 3274f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return false; 32753c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 3276f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (!isCharType(TemplateArgs[0].getAsType())) 3277f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return false; 32783c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 327901eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar return SD->getIdentifier()->getName() == Name; 3280f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson} 3281f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson 328291f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlssontemplate <std::size_t StrLen> 328354353f48939327a4aa41ea3f3ec07b936bd02ef5Benjamin Kramerstatic bool isStreamCharSpecialization(const ClassTemplateSpecializationDecl*SD, 328454353f48939327a4aa41ea3f3ec07b936bd02ef5Benjamin Kramer const char (&Str)[StrLen]) { 328591f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson if (!SD->getIdentifier()->isStr(Str)) 328691f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson return false; 3287193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 328891f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson const TemplateArgumentList &TemplateArgs = SD->getTemplateArgs(); 328991f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson if (TemplateArgs.size() != 2) 329091f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson return false; 3291193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 329291f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson if (!isCharType(TemplateArgs[0].getAsType())) 329391f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson return false; 3294193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 329591f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson if (!isCharSpecialization(TemplateArgs[1].getAsType(), "char_traits")) 329691f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson return false; 3297193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 329891f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson return true; 329991f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson} 3300193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 3301e7c8cb6b2728aa98258288d221b09bc66cc05543Anders Carlssonbool CXXNameMangler::mangleStandardSubstitution(const NamedDecl *ND) { 3302e7c8cb6b2728aa98258288d221b09bc66cc05543Anders Carlsson // <substitution> ::= St # ::std:: 33038c0315563f05a9face7209221325019e272075fbAnders Carlsson if (const NamespaceDecl *NS = dyn_cast<NamespaceDecl>(ND)) { 330447846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson if (isStd(NS)) { 33058c0315563f05a9face7209221325019e272075fbAnders Carlsson Out << "St"; 33068c0315563f05a9face7209221325019e272075fbAnders Carlsson return true; 33078c0315563f05a9face7209221325019e272075fbAnders Carlsson } 33088c0315563f05a9face7209221325019e272075fbAnders Carlsson } 33098c0315563f05a9face7209221325019e272075fbAnders Carlsson 33108c0315563f05a9face7209221325019e272075fbAnders Carlsson if (const ClassTemplateDecl *TD = dyn_cast<ClassTemplateDecl>(ND)) { 3311ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor if (!isStdNamespace(getEffectiveDeclContext(TD))) 33128c0315563f05a9face7209221325019e272075fbAnders Carlsson return false; 33133c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 33148c0315563f05a9face7209221325019e272075fbAnders Carlsson // <substitution> ::= Sa # ::std::allocator 33158c0315563f05a9face7209221325019e272075fbAnders Carlsson if (TD->getIdentifier()->isStr("allocator")) { 33168c0315563f05a9face7209221325019e272075fbAnders Carlsson Out << "Sa"; 33178c0315563f05a9face7209221325019e272075fbAnders Carlsson return true; 33188c0315563f05a9face7209221325019e272075fbAnders Carlsson } 33193c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 3320189d59cfc762d0f683b9253ddec2cf519ec85b65Anders Carlsson // <<substitution> ::= Sb # ::std::basic_string 3321189d59cfc762d0f683b9253ddec2cf519ec85b65Anders Carlsson if (TD->getIdentifier()->isStr("basic_string")) { 3322189d59cfc762d0f683b9253ddec2cf519ec85b65Anders Carlsson Out << "Sb"; 3323189d59cfc762d0f683b9253ddec2cf519ec85b65Anders Carlsson return true; 3324189d59cfc762d0f683b9253ddec2cf519ec85b65Anders Carlsson } 33258c0315563f05a9face7209221325019e272075fbAnders Carlsson } 33263c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 33273c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar if (const ClassTemplateSpecializationDecl *SD = 3328f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson dyn_cast<ClassTemplateSpecializationDecl>(ND)) { 3329ccc1b5eebc6ca8a904c58c0468b9a71483b7c7cfDouglas Gregor if (!isStdNamespace(getEffectiveDeclContext(SD))) 33305370ee2389aa9ba8da3274911003631d66f9f1bdEli Friedman return false; 33315370ee2389aa9ba8da3274911003631d66f9f1bdEli Friedman 3332f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson // <substitution> ::= Ss # ::std::basic_string<char, 3333f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson // ::std::char_traits<char>, 3334f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson // ::std::allocator<char> > 3335f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (SD->getIdentifier()->isStr("basic_string")) { 3336f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson const TemplateArgumentList &TemplateArgs = SD->getTemplateArgs(); 33373c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 3338f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (TemplateArgs.size() != 3) 3339f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return false; 33403c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 3341f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (!isCharType(TemplateArgs[0].getAsType())) 3342f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return false; 33433c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 3344f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (!isCharSpecialization(TemplateArgs[1].getAsType(), "char_traits")) 3345f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return false; 33463c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 3347f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (!isCharSpecialization(TemplateArgs[2].getAsType(), "allocator")) 3348f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return false; 3349f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson 3350f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson Out << "Ss"; 3351f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return true; 3352f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson } 33533c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 335491f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson // <substitution> ::= Si # ::std::basic_istream<char, 33558f8fd8ea7e5c5d04f95a3cf4af95aa93225bc2b4Anders Carlsson // ::std::char_traits<char> > 335691f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson if (isStreamCharSpecialization(SD, "basic_istream")) { 335791f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson Out << "Si"; 335891f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson return true; 335991f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson } 33608f8fd8ea7e5c5d04f95a3cf4af95aa93225bc2b4Anders Carlsson 336191f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson // <substitution> ::= So # ::std::basic_ostream<char, 336291f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson // ::std::char_traits<char> > 336391f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson if (isStreamCharSpecialization(SD, "basic_ostream")) { 33648f8fd8ea7e5c5d04f95a3cf4af95aa93225bc2b4Anders Carlsson Out << "So"; 33658f8fd8ea7e5c5d04f95a3cf4af95aa93225bc2b4Anders Carlsson return true; 33668f8fd8ea7e5c5d04f95a3cf4af95aa93225bc2b4Anders Carlsson } 3367193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 336891f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson // <substitution> ::= Sd # ::std::basic_iostream<char, 336991f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson // ::std::char_traits<char> > 337091f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson if (isStreamCharSpecialization(SD, "basic_iostream")) { 337191f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson Out << "Sd"; 337291f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson return true; 337391f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson } 3374f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson } 33758c0315563f05a9face7209221325019e272075fbAnders Carlsson return false; 3376e7c8cb6b2728aa98258288d221b09bc66cc05543Anders Carlsson} 3377e7c8cb6b2728aa98258288d221b09bc66cc05543Anders Carlsson 33787696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlssonvoid CXXNameMangler::addSubstitution(QualType T) { 337914795c86f1c37874afa332a7b9bc18e6a02bf420Douglas Gregor if (!hasMangledSubstitutionQualifiers(T)) { 3380d99edc44300b36732a14c294c93899ba28d479eaAnders Carlsson if (const RecordType *RT = T->getAs<RecordType>()) { 3381d99edc44300b36732a14c294c93899ba28d479eaAnders Carlsson addSubstitution(RT->getDecl()); 3382d99edc44300b36732a14c294c93899ba28d479eaAnders Carlsson return; 3383d99edc44300b36732a14c294c93899ba28d479eaAnders Carlsson } 3384d99edc44300b36732a14c294c93899ba28d479eaAnders Carlsson } 33853c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 33867696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson uintptr_t TypePtr = reinterpret_cast<uintptr_t>(T.getAsOpaquePtr()); 3387d3a932a2980eef3c3ea2cd28f7946a185215d4e1Anders Carlsson addSubstitution(TypePtr); 3388d3a932a2980eef3c3ea2cd28f7946a185215d4e1Anders Carlsson} 3389d3a932a2980eef3c3ea2cd28f7946a185215d4e1Anders Carlsson 33901e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregorvoid CXXNameMangler::addSubstitution(TemplateName Template) { 33911e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor if (TemplateDecl *TD = Template.getAsTemplateDecl()) 33921e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor return addSubstitution(TD); 3393c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 33941e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor Template = Context.getASTContext().getCanonicalTemplateName(Template); 33951e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor addSubstitution(reinterpret_cast<uintptr_t>(Template.getAsVoidPointer())); 33961e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor} 33971e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor 3398d3a932a2980eef3c3ea2cd28f7946a185215d4e1Anders Carlssonvoid CXXNameMangler::addSubstitution(uintptr_t Ptr) { 3399d3a932a2980eef3c3ea2cd28f7946a185215d4e1Anders Carlsson assert(!Substitutions.count(Ptr) && "Substitution already exists!"); 34009d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson Substitutions[Ptr] = SeqID++; 34017696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson} 34027696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson 34031b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar// 34041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34051b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar/// \brief Mangles the name of the declaration D and emits that name to the 34061b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar/// given output stream. 34071b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar/// 34081b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar/// If the declaration D requires a mangled name, this routine will emit that 34091b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar/// mangled name to \p os and return true. Otherwise, \p os will be unchanged 34101b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar/// and this routine will return false. In this case, the caller should just 34111b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar/// emit the identifier of the declaration (\c D->getIdentifier()) as its 34121b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar/// name. 341314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournevoid ItaniumMangleContext::mangleName(const NamedDecl *D, 34145f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 3415c02ab4c76d7f8e672cda266436d64dd23bd2ad26Daniel Dunbar assert((isa<FunctionDecl>(D) || isa<VarDecl>(D)) && 3416c02ab4c76d7f8e672cda266436d64dd23bd2ad26Daniel Dunbar "Invalid mangleName() call, argument is not a variable or function!"); 3417c02ab4c76d7f8e672cda266436d64dd23bd2ad26Daniel Dunbar assert(!isa<CXXConstructorDecl>(D) && !isa<CXXDestructorDecl>(D) && 3418c02ab4c76d7f8e672cda266436d64dd23bd2ad26Daniel Dunbar "Invalid mangleName() call on 'structor decl!"); 34191b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar 34201b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar PrettyStackTraceDecl CrashInfo(D, SourceLocation(), 34211b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar getASTContext().getSourceManager(), 34221b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar "Mangling declaration"); 34231b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar 3424fb44de956f27875def889482b5393475060392afJohn McCall CXXNameMangler Mangler(*this, Out, D); 342594fd26de3ae77f29496ca22d5276b2fb71b2311dDaniel Dunbar return Mangler.mangle(D); 34261b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar} 34271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 342814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournevoid ItaniumMangleContext::mangleCXXCtor(const CXXConstructorDecl *D, 342914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne CXXCtorType Type, 34305f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 3431c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola CXXNameMangler Mangler(*this, Out, D, Type); 3432c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.mangle(D); 3433c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar} 3434c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar 343514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournevoid ItaniumMangleContext::mangleCXXDtor(const CXXDestructorDecl *D, 343614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne CXXDtorType Type, 34375f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 3438c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola CXXNameMangler Mangler(*this, Out, D, Type); 3439c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.mangle(D); 3440c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar} 3441c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar 344214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournevoid ItaniumMangleContext::mangleThunk(const CXXMethodDecl *MD, 344314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne const ThunkInfo &Thunk, 34445f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 344519879c98d964bc67442618510af04e3457219780Anders Carlsson // <special-name> ::= T <call-offset> <base encoding> 344619879c98d964bc67442618510af04e3457219780Anders Carlsson // # base is the nominal target function of thunk 344719879c98d964bc67442618510af04e3457219780Anders Carlsson // <special-name> ::= Tc <call-offset> <call-offset> <base encoding> 344819879c98d964bc67442618510af04e3457219780Anders Carlsson // # base is the nominal target function of thunk 344919879c98d964bc67442618510af04e3457219780Anders Carlsson // # first call-offset is 'this' adjustment 345019879c98d964bc67442618510af04e3457219780Anders Carlsson // # second call-offset is result adjustment 3451c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 345219879c98d964bc67442618510af04e3457219780Anders Carlsson assert(!isa<CXXDestructorDecl>(MD) && 345319879c98d964bc67442618510af04e3457219780Anders Carlsson "Use mangleCXXDtor for destructor decls!"); 3454c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola CXXNameMangler Mangler(*this, Out); 345519879c98d964bc67442618510af04e3457219780Anders Carlsson Mangler.getStream() << "_ZT"; 345619879c98d964bc67442618510af04e3457219780Anders Carlsson if (!Thunk.Return.isEmpty()) 345719879c98d964bc67442618510af04e3457219780Anders Carlsson Mangler.getStream() << 'c'; 3458c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 345919879c98d964bc67442618510af04e3457219780Anders Carlsson // Mangle the 'this' pointer adjustment. 346019879c98d964bc67442618510af04e3457219780Anders Carlsson Mangler.mangleCallOffset(Thunk.This.NonVirtual, Thunk.This.VCallOffsetOffset); 3461c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 346219879c98d964bc67442618510af04e3457219780Anders Carlsson // Mangle the return pointer adjustment if there is one. 346319879c98d964bc67442618510af04e3457219780Anders Carlsson if (!Thunk.Return.isEmpty()) 346419879c98d964bc67442618510af04e3457219780Anders Carlsson Mangler.mangleCallOffset(Thunk.Return.NonVirtual, 346519879c98d964bc67442618510af04e3457219780Anders Carlsson Thunk.Return.VBaseOffsetOffset); 3466c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 346719879c98d964bc67442618510af04e3457219780Anders Carlsson Mangler.mangleFunctionEncoding(MD); 346819879c98d964bc67442618510af04e3457219780Anders Carlsson} 346919879c98d964bc67442618510af04e3457219780Anders Carlsson 3470c302113179a1c2b1254224ea9b6f5316ceeb375cSean Huntvoid 347114110477887e3dc168ffc6c191e72d705051f99ePeter CollingbourneItaniumMangleContext::mangleCXXDtorThunk(const CXXDestructorDecl *DD, 347214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne CXXDtorType Type, 347314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne const ThisAdjustment &ThisAdjustment, 34745f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 347519879c98d964bc67442618510af04e3457219780Anders Carlsson // <special-name> ::= T <call-offset> <base encoding> 347619879c98d964bc67442618510af04e3457219780Anders Carlsson // # base is the nominal target function of thunk 3477c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola CXXNameMangler Mangler(*this, Out, DD, Type); 347819879c98d964bc67442618510af04e3457219780Anders Carlsson Mangler.getStream() << "_ZT"; 347919879c98d964bc67442618510af04e3457219780Anders Carlsson 348019879c98d964bc67442618510af04e3457219780Anders Carlsson // Mangle the 'this' pointer adjustment. 3481c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt Mangler.mangleCallOffset(ThisAdjustment.NonVirtual, 348219879c98d964bc67442618510af04e3457219780Anders Carlsson ThisAdjustment.VCallOffsetOffset); 348319879c98d964bc67442618510af04e3457219780Anders Carlsson 348419879c98d964bc67442618510af04e3457219780Anders Carlsson Mangler.mangleFunctionEncoding(DD); 348519879c98d964bc67442618510af04e3457219780Anders Carlsson} 348619879c98d964bc67442618510af04e3457219780Anders Carlsson 34871b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar/// mangleGuardVariable - Returns the mangled name for a guard variable 34881b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar/// for the passed in VarDecl. 348914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournevoid ItaniumMangleContext::mangleItaniumGuardVariable(const VarDecl *D, 34905f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 3491c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar // <special-name> ::= GV <object name> # Guard variable for one-time 3492c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar // # initialization 3493c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola CXXNameMangler Mangler(*this, Out); 3494c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.getStream() << "_ZGV"; 3495c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.mangleName(D); 34961b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar} 3497738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump 349814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournevoid ItaniumMangleContext::mangleReferenceTemporary(const VarDecl *D, 34995f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 3500715edf293698f40e600df65e18e48c70a29fc98cAnders Carlsson // We match the GCC mangling here. 3501715edf293698f40e600df65e18e48c70a29fc98cAnders Carlsson // <special-name> ::= GR <object name> 3502c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola CXXNameMangler Mangler(*this, Out); 3503715edf293698f40e600df65e18e48c70a29fc98cAnders Carlsson Mangler.getStream() << "_ZGR"; 3504715edf293698f40e600df65e18e48c70a29fc98cAnders Carlsson Mangler.mangleName(D); 3505715edf293698f40e600df65e18e48c70a29fc98cAnders Carlsson} 3506715edf293698f40e600df65e18e48c70a29fc98cAnders Carlsson 350714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournevoid ItaniumMangleContext::mangleCXXVTable(const CXXRecordDecl *RD, 35085f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 3509c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar // <special-name> ::= TV <type> # virtual table 3510c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola CXXNameMangler Mangler(*this, Out); 3511c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.getStream() << "_ZTV"; 35121b12a3bb4d4c0db74fc97be724beefec7366b460Douglas Gregor Mangler.mangleNameOrStandardSubstitution(RD); 35131b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar} 351482d75b01f23b407e56836e305107c8008037ba35Mike Stump 351514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournevoid ItaniumMangleContext::mangleCXXVTT(const CXXRecordDecl *RD, 35165f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 3517c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar // <special-name> ::= TT <type> # VTT structure 3518c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola CXXNameMangler Mangler(*this, Out); 3519c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.getStream() << "_ZTT"; 35201b12a3bb4d4c0db74fc97be724beefec7366b460Douglas Gregor Mangler.mangleNameOrStandardSubstitution(RD); 35211b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar} 3522ab3f7e9f5b81832da2b3633b3c0fcffff2907d40Mike Stump 352314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournevoid ItaniumMangleContext::mangleCXXCtorVTable(const CXXRecordDecl *RD, 352414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne int64_t Offset, 352514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne const CXXRecordDecl *Type, 35265f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 3527c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar // <special-name> ::= TC <type> <offset number> _ <base type> 3528c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola CXXNameMangler Mangler(*this, Out); 3529c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.getStream() << "_ZTC"; 35301b12a3bb4d4c0db74fc97be724beefec7366b460Douglas Gregor Mangler.mangleNameOrStandardSubstitution(RD); 3531c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.getStream() << Offset; 353235f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Mangler.getStream() << '_'; 35331b12a3bb4d4c0db74fc97be724beefec7366b460Douglas Gregor Mangler.mangleNameOrStandardSubstitution(Type); 35341b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar} 353567795980157a48b51a59737a9478470eb0871dbbMike Stump 353614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournevoid ItaniumMangleContext::mangleCXXRTTI(QualType Ty, 35375f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 3538c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar // <special-name> ::= TI <type> # typeinfo structure 3539154fe9812faddcd94568a64aee5f3cb0d47003d9Douglas Gregor assert(!Ty.hasQualifiers() && "RTTI info cannot have top-level qualifiers"); 3540c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola CXXNameMangler Mangler(*this, Out); 3541c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.getStream() << "_ZTI"; 3542c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.mangleType(Ty); 35431b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar} 35441b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar 354514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournevoid ItaniumMangleContext::mangleCXXRTTIName(QualType Ty, 35465f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 3547c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar // <special-name> ::= TS <type> # typeinfo name (null terminated byte string) 3548c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola CXXNameMangler Mangler(*this, Out); 3549c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.getStream() << "_ZTS"; 3550c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.mangleType(Ty); 3551f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump} 355214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 355314110477887e3dc168ffc6c191e72d705051f99ePeter CollingbourneMangleContext *clang::createItaniumMangleContext(ASTContext &Context, 3554d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie DiagnosticsEngine &Diags) { 355514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return new ItaniumMangleContext(Context, Diags); 355614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne} 3557