ItaniumMangle.cpp revision f7ccbad5d9949e7ddd1cbef43d482553b811e026
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" 2700bd44d5677783527d7517c1ffe45e4d75a0f56fBenjamin Kramer#include "clang/Basic/Diagnostic.h" 286ec3668a2608b63473207319f5ceff9bbd22ea51Douglas Gregor#include "clang/Basic/SourceManager.h" 294e274e955451632e6ba287bb03fb7a7840c3505eRafael Espindola#include "clang/Basic/TargetInfo.h" 30c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson#include "llvm/ADT/StringExtras.h" 315f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor#include "llvm/Support/raw_ostream.h" 32efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall#include "llvm/Support/ErrorHandling.h" 33f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson 34f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson#define MANGLE_CHECKER 0 35f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson 36f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson#if MANGLE_CHECKER 37f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson#include <cxxabi.h> 38f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson#endif 39f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson 405f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregorusing namespace clang; 41685b1d9e0d019c4ca2a2742cca287367af3d01e6Charles Davis 425f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregornamespace { 43570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian 4482b7d7bc723051d8db4e21883e9072fe3ad99305John McCallstatic const CXXRecordDecl *GetLocalClassDecl(const NamedDecl *ND) { 4582b7d7bc723051d8db4e21883e9072fe3ad99305John McCall const DeclContext *DC = dyn_cast<DeclContext>(ND); 4682b7d7bc723051d8db4e21883e9072fe3ad99305John McCall if (!DC) 4782b7d7bc723051d8db4e21883e9072fe3ad99305John McCall DC = ND->getDeclContext(); 4882b7d7bc723051d8db4e21883e9072fe3ad99305John McCall while (!DC->isNamespace() && !DC->isTranslationUnit()) { 4982b7d7bc723051d8db4e21883e9072fe3ad99305John McCall if (isa<FunctionDecl>(DC->getParent())) 5082b7d7bc723051d8db4e21883e9072fe3ad99305John McCall return dyn_cast<CXXRecordDecl>(DC); 5182b7d7bc723051d8db4e21883e9072fe3ad99305John McCall DC = DC->getParent(); 52570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian } 53570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian return 0; 54570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian} 55570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian 56fb44de956f27875def889482b5393475060392afJohn McCallstatic const FunctionDecl *getStructor(const FunctionDecl *fn) { 57fb44de956f27875def889482b5393475060392afJohn McCall if (const FunctionTemplateDecl *ftd = fn->getPrimaryTemplate()) 58fb44de956f27875def889482b5393475060392afJohn McCall return ftd->getTemplatedDecl(); 59193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 60fb44de956f27875def889482b5393475060392afJohn McCall return fn; 61fb44de956f27875def889482b5393475060392afJohn McCall} 62193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 63fb44de956f27875def889482b5393475060392afJohn McCallstatic const NamedDecl *getStructor(const NamedDecl *decl) { 64fb44de956f27875def889482b5393475060392afJohn McCall const FunctionDecl *fn = dyn_cast_or_null<FunctionDecl>(decl); 65fb44de956f27875def889482b5393475060392afJohn McCall return (fn ? getStructor(fn) : decl); 667e120030a07ad8c4365526b1c5cd22a641297635Anders Carlsson} 671dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 681dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCallstatic const unsigned UnknownArity = ~0U; 69193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 7014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourneclass ItaniumMangleContext : public MangleContext { 7114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne llvm::DenseMap<const TagDecl *, uint64_t> AnonStructIds; 7214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne unsigned Discriminator; 7314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne llvm::DenseMap<const NamedDecl*, unsigned> Uniquifier; 7414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 7514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournepublic: 7614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne explicit ItaniumMangleContext(ASTContext &Context, 77d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie DiagnosticsEngine &Diags) 7814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne : MangleContext(Context, Diags) { } 7914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 8014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne uint64_t getAnonymousStructId(const TagDecl *TD) { 8114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne std::pair<llvm::DenseMap<const TagDecl *, 8214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne uint64_t>::iterator, bool> Result = 8314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne AnonStructIds.insert(std::make_pair(TD, AnonStructIds.size())); 8414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return Result.first->second; 8514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne } 8614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 8714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne void startNewFunction() { 8814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne MangleContext::startNewFunction(); 8914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne mangleInitDiscriminator(); 9014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne } 9114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 9214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne /// @name Mangler Entry Points 9314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne /// @{ 9414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 9514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne bool shouldMangleDeclName(const NamedDecl *D); 965f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner void mangleName(const NamedDecl *D, raw_ostream &); 9714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne void mangleThunk(const CXXMethodDecl *MD, 9814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne const ThunkInfo &Thunk, 995f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &); 10014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne void mangleCXXDtorThunk(const CXXDestructorDecl *DD, CXXDtorType Type, 10114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne const ThisAdjustment &ThisAdjustment, 1025f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &); 10314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne void mangleReferenceTemporary(const VarDecl *D, 1045f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &); 10514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne void mangleCXXVTable(const CXXRecordDecl *RD, 1065f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &); 10714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne void mangleCXXVTT(const CXXRecordDecl *RD, 1085f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &); 10914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne void mangleCXXCtorVTable(const CXXRecordDecl *RD, int64_t Offset, 11014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne const CXXRecordDecl *Type, 1115f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &); 1125f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner void mangleCXXRTTI(QualType T, raw_ostream &); 1135f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner void mangleCXXRTTIName(QualType T, raw_ostream &); 11414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne void mangleCXXCtor(const CXXConstructorDecl *D, CXXCtorType Type, 1155f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &); 11614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne void mangleCXXDtor(const CXXDestructorDecl *D, CXXDtorType Type, 1175f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &); 11814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 1195f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner void mangleItaniumGuardVariable(const VarDecl *D, raw_ostream &); 12014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 12114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne void mangleInitDiscriminator() { 12214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne Discriminator = 0; 12314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne } 12414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 12514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne bool getNextDiscriminator(const NamedDecl *ND, unsigned &disc) { 12614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne unsigned &discriminator = Uniquifier[ND]; 12714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne if (!discriminator) 12814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne discriminator = ++Discriminator; 12914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne if (discriminator == 1) 13014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return false; 13114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne disc = discriminator-2; 13214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return true; 13314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne } 13414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne /// @} 13514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne}; 13614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 1371b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar/// CXXNameMangler - Manage the mangling of a single name. 138c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbarclass CXXNameMangler { 13914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne ItaniumMangleContext &Context; 1405f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out; 1415f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 142fb44de956f27875def889482b5393475060392afJohn McCall /// The "structor" is the top-level declaration being mangled, if 143fb44de956f27875def889482b5393475060392afJohn McCall /// that's not a template specialization; otherwise it's the pattern 144fb44de956f27875def889482b5393475060392afJohn McCall /// for that specialization. 145fb44de956f27875def889482b5393475060392afJohn McCall const NamedDecl *Structor; 1461b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar unsigned StructorType; 147193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1489d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson /// SeqID - The next subsitution sequence number. 1499d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson unsigned SeqID; 1509d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson 151fb44de956f27875def889482b5393475060392afJohn McCall class FunctionTypeDepthState { 152fb44de956f27875def889482b5393475060392afJohn McCall unsigned Bits; 153fb44de956f27875def889482b5393475060392afJohn McCall 154fb44de956f27875def889482b5393475060392afJohn McCall enum { InResultTypeMask = 1 }; 155fb44de956f27875def889482b5393475060392afJohn McCall 156fb44de956f27875def889482b5393475060392afJohn McCall public: 157fb44de956f27875def889482b5393475060392afJohn McCall FunctionTypeDepthState() : Bits(0) {} 158fb44de956f27875def889482b5393475060392afJohn McCall 159fb44de956f27875def889482b5393475060392afJohn McCall /// The number of function types we're inside. 160fb44de956f27875def889482b5393475060392afJohn McCall unsigned getDepth() const { 161fb44de956f27875def889482b5393475060392afJohn McCall return Bits >> 1; 162fb44de956f27875def889482b5393475060392afJohn McCall } 163fb44de956f27875def889482b5393475060392afJohn McCall 164fb44de956f27875def889482b5393475060392afJohn McCall /// True if we're in the return type of the innermost function type. 165fb44de956f27875def889482b5393475060392afJohn McCall bool isInResultType() const { 166fb44de956f27875def889482b5393475060392afJohn McCall return Bits & InResultTypeMask; 167fb44de956f27875def889482b5393475060392afJohn McCall } 168fb44de956f27875def889482b5393475060392afJohn McCall 169fb44de956f27875def889482b5393475060392afJohn McCall FunctionTypeDepthState push() { 170fb44de956f27875def889482b5393475060392afJohn McCall FunctionTypeDepthState tmp = *this; 171fb44de956f27875def889482b5393475060392afJohn McCall Bits = (Bits & ~InResultTypeMask) + 2; 172fb44de956f27875def889482b5393475060392afJohn McCall return tmp; 173fb44de956f27875def889482b5393475060392afJohn McCall } 174fb44de956f27875def889482b5393475060392afJohn McCall 175fb44de956f27875def889482b5393475060392afJohn McCall void enterResultType() { 176fb44de956f27875def889482b5393475060392afJohn McCall Bits |= InResultTypeMask; 177fb44de956f27875def889482b5393475060392afJohn McCall } 178fb44de956f27875def889482b5393475060392afJohn McCall 179fb44de956f27875def889482b5393475060392afJohn McCall void leaveResultType() { 180fb44de956f27875def889482b5393475060392afJohn McCall Bits &= ~InResultTypeMask; 181fb44de956f27875def889482b5393475060392afJohn McCall } 182fb44de956f27875def889482b5393475060392afJohn McCall 183fb44de956f27875def889482b5393475060392afJohn McCall void pop(FunctionTypeDepthState saved) { 184fb44de956f27875def889482b5393475060392afJohn McCall assert(getDepth() == saved.getDepth() + 1); 185fb44de956f27875def889482b5393475060392afJohn McCall Bits = saved.Bits; 186fb44de956f27875def889482b5393475060392afJohn McCall } 187fb44de956f27875def889482b5393475060392afJohn McCall 188fb44de956f27875def889482b5393475060392afJohn McCall } FunctionTypeDepth; 189fb44de956f27875def889482b5393475060392afJohn McCall 1901b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar llvm::DenseMap<uintptr_t, unsigned> Substitutions; 1913c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 1921dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall ASTContext &getASTContext() const { return Context.getASTContext(); } 1931dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 194c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbarpublic: 1955f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner CXXNameMangler(ItaniumMangleContext &C, raw_ostream &Out_, 196fb44de956f27875def889482b5393475060392afJohn McCall const NamedDecl *D = 0) 197fb44de956f27875def889482b5393475060392afJohn McCall : Context(C), Out(Out_), Structor(getStructor(D)), StructorType(0), 198fb44de956f27875def889482b5393475060392afJohn McCall SeqID(0) { 199fb44de956f27875def889482b5393475060392afJohn McCall // These can't be mangled without a ctor type or dtor type. 200fb44de956f27875def889482b5393475060392afJohn McCall assert(!D || (!isa<CXXDestructorDecl>(D) && 201fb44de956f27875def889482b5393475060392afJohn McCall !isa<CXXConstructorDecl>(D))); 202fb44de956f27875def889482b5393475060392afJohn McCall } 2035f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner CXXNameMangler(ItaniumMangleContext &C, raw_ostream &Out_, 20477939c995da4ec0ed6c7e5bc8afa901d8cea9001Daniel Dunbar const CXXConstructorDecl *D, CXXCtorType Type) 205c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola : Context(C), Out(Out_), Structor(getStructor(D)), StructorType(Type), 206fb44de956f27875def889482b5393475060392afJohn McCall SeqID(0) { } 2075f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner CXXNameMangler(ItaniumMangleContext &C, raw_ostream &Out_, 20877939c995da4ec0ed6c7e5bc8afa901d8cea9001Daniel Dunbar const CXXDestructorDecl *D, CXXDtorType Type) 209c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola : Context(C), Out(Out_), Structor(getStructor(D)), StructorType(Type), 210fb44de956f27875def889482b5393475060392afJohn McCall SeqID(0) { } 2113ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson 212f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson#if MANGLE_CHECKER 213f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson ~CXXNameMangler() { 214f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson if (Out.str()[0] == '\01') 215f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson return; 216193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 217f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson int status = 0; 218f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson char *result = abi::__cxa_demangle(Out.str().str().c_str(), 0, 0, &status); 219f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson assert(status == 0 && "Could not demangle mangled name!"); 220f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson free(result); 221f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson } 222f98574ba5cbb1c0bc80d66c411fabfd279e823c0Anders Carlsson#endif 2235f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &getStream() { return Out; } 224c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar 2255f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner void mangle(const NamedDecl *D, StringRef Prefix = "_Z"); 22619879c98d964bc67442618510af04e3457219780Anders Carlsson void mangleCallOffset(int64_t NonVirtual, int64_t Virtual); 2270512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall void mangleNumber(const llvm::APSInt &I); 228a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson void mangleNumber(int64_t Number); 2290512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall void mangleFloat(const llvm::APFloat &F); 230c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar void mangleFunctionEncoding(const FunctionDecl *FD); 231c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar void mangleName(const NamedDecl *ND); 232c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar void mangleType(QualType T); 2331b12a3bb4d4c0db74fc97be724beefec7366b460Douglas Gregor void mangleNameOrStandardSubstitution(const NamedDecl *ND); 2341b12a3bb4d4c0db74fc97be724beefec7366b460Douglas Gregor 235c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbarprivate: 2361b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar bool mangleSubstitution(const NamedDecl *ND); 2371b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar bool mangleSubstitution(QualType T); 2381e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor bool mangleSubstitution(TemplateName Template); 2391b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar bool mangleSubstitution(uintptr_t Ptr); 2403c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 24168a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall void mangleExistingSubstitution(QualType type); 24268a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall void mangleExistingSubstitution(TemplateName name); 24368a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall 2441b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar bool mangleStandardSubstitution(const NamedDecl *ND); 245433d1374409a8eeaa4b0975fa187a542d5e40c23Anders Carlsson 2461b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void addSubstitution(const NamedDecl *ND) { 2471b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar ND = cast<NamedDecl>(ND->getCanonicalDecl()); 248efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall 2491b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar addSubstitution(reinterpret_cast<uintptr_t>(ND)); 2501b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar } 2511b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void addSubstitution(QualType T); 2521e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor void addSubstitution(TemplateName Template); 2531b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void addSubstitution(uintptr_t Ptr); 2541b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar 255a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall void mangleUnresolvedPrefix(NestedNameSpecifier *qualifier, 256a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall NamedDecl *firstQualifierLookup, 257a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall bool recursive = false); 258a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall void mangleUnresolvedName(NestedNameSpecifier *qualifier, 259a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall NamedDecl *firstQualifierLookup, 260a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall DeclarationName name, 2611dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall unsigned KnownArity = UnknownArity); 2621dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 2631b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleName(const TemplateDecl *TD, 2641b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar const TemplateArgument *TemplateArgs, 2651b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar unsigned NumTemplateArgs); 2661dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall void mangleUnqualifiedName(const NamedDecl *ND) { 2671dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall mangleUnqualifiedName(ND, ND->getDeclName(), UnknownArity); 2681dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 2691dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall void mangleUnqualifiedName(const NamedDecl *ND, DeclarationName Name, 2701dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall unsigned KnownArity); 2711b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleUnscopedName(const NamedDecl *ND); 2721b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleUnscopedTemplateName(const TemplateDecl *ND); 2731e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor void mangleUnscopedTemplateName(TemplateName); 2741b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleSourceName(const IdentifierInfo *II); 2751b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleLocalName(const NamedDecl *ND); 276570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian void mangleNestedName(const NamedDecl *ND, const DeclContext *DC, 277570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian bool NoFunction=false); 2781b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleNestedName(const TemplateDecl *TD, 2791b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar const TemplateArgument *TemplateArgs, 2801b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar unsigned NumTemplateArgs); 281a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall void manglePrefix(NestedNameSpecifier *qualifier); 282570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian void manglePrefix(const DeclContext *DC, bool NoFunction=false); 2834f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall void manglePrefix(QualType type); 2841b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleTemplatePrefix(const TemplateDecl *ND); 28520f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor void mangleTemplatePrefix(TemplateName Template); 2861b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleOperatorName(OverloadedOperatorKind OO, unsigned Arity); 2871b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleQualifiers(Qualifiers Quals); 2880a9a6d68979619a621fedc5089674487f720f765Douglas Gregor void mangleRefQualifier(RefQualifierKind RefQualifier); 2891b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar 2907b06f6c20e124afa4d1fde85b1dd721462f2d912Anders Carlsson void mangleObjCMethodName(const ObjCMethodDecl *MD); 291193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2921b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar // Declare manglers for every type class. 293efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall#define ABSTRACT_TYPE(CLASS, PARENT) 294efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall#define NON_CANONICAL_TYPE(CLASS, PARENT) 295efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall#define TYPE(CLASS, PARENT) void mangleType(const CLASS##Type *T); 296efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall#include "clang/AST/TypeNodes.def" 297efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall 2981b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleType(const TagType*); 299b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall void mangleType(TemplateName); 3001b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleBareFunctionType(const FunctionType *T, 3011b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar bool MangleReturnType); 30257147a8615bca96e067975fe931baf5d741876a4Bob Wilson void mangleNeonVectorType(const VectorType *T); 303e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson 304e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson void mangleIntegerLiteral(QualType T, const llvm::APSInt &Value); 305a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall void mangleMemberExpr(const Expr *base, bool isArrow, 306a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall NestedNameSpecifier *qualifier, 307a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall NamedDecl *firstQualifierLookup, 308a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall DeclarationName name, 309a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall unsigned knownArity); 3105e1e89b8af283af34943a477dc6378f1a641df26John McCall void mangleExpression(const Expr *E, unsigned Arity = UnknownArity); 3111b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleCXXCtorType(CXXCtorType T); 3121b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleCXXDtorType(CXXDtorType T); 3131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 314b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis void mangleTemplateArgs(const ASTTemplateArgumentListInfo &TemplateArgs); 31520f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor void mangleTemplateArgs(TemplateName Template, 31620f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor const TemplateArgument *TemplateArgs, 317c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt unsigned NumTemplateArgs); 318d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola void mangleTemplateArgs(const TemplateParameterList &PL, 319d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola const TemplateArgument *TemplateArgs, 3201b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar unsigned NumTemplateArgs); 321d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola void mangleTemplateArgs(const TemplateParameterList &PL, 322d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola const TemplateArgumentList &AL); 323f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor void mangleTemplateArg(const NamedDecl *P, TemplateArgument A); 3244f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall void mangleUnresolvedTemplateArgs(const TemplateArgument *args, 3254f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall unsigned numArgs); 3263c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 3271b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar void mangleTemplateParameter(unsigned Index); 328fb44de956f27875def889482b5393475060392afJohn McCall 329fb44de956f27875def889482b5393475060392afJohn McCall void mangleFunctionParam(const ParmVarDecl *parm); 3301b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar}; 33114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 3325f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 3335f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 33443f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlssonstatic bool isInCLinkageSpecification(const Decl *D) { 335457e2815d43fa68f7ff7cd2f7e9d1bf7b6fdc653Douglas Gregor D = D->getCanonicalDecl(); 3361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (const DeclContext *DC = D->getDeclContext(); 33743f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlsson !DC->isTranslationUnit(); DC = DC->getParent()) { 3381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC)) 33943f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlsson return Linkage->getLanguage() == LinkageSpecDecl::lang_c; 340ca3f25c1fb9bbf0d807985baee460670b7f195b4Chris Lattner } 3411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34243f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlsson return false; 34343f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlsson} 3445f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 34514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournebool ItaniumMangleContext::shouldMangleDeclName(const NamedDecl *D) { 346f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar // In C, functions with no attributes never need to be mangled. Fastpath them. 347f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar if (!getASTContext().getLangOptions().CPlusPlus && !D->hasAttrs()) 348f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar return false; 349f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar 350f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar // Any decl can be declared with __asm("foo") on it, and this takes precedence 351f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar // over all other naming in the .o file. 352f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar if (D->hasAttr<AsmLabelAttr>()) 353f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar return true; 354f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar 355141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // Clang's "overloadable" attribute extension to C/C++ implies name mangling 356a1e1622d1549c470acc999c4399456863e58a011Anders Carlsson // (always) as does passing a C++ member function and a function 357a1e1622d1549c470acc999c4399456863e58a011Anders Carlsson // whose name is not a simple identifier. 358f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar const FunctionDecl *FD = dyn_cast<FunctionDecl>(D); 359f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar if (FD && (FD->hasAttr<OverloadableAttr>() || isa<CXXMethodDecl>(FD) || 360f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar !FD->getDeclName().isIdentifier())) 361f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar return true; 3621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 363f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar // Otherwise, no mangling is done outside C++ mode. 364f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar if (!getASTContext().getLangOptions().CPlusPlus) 365f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar return false; 3661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36731455256ae26cc7069111643ec4429ea564377daSean Hunt // Variables at global scope with non-internal linkage are not mangled 3687facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman if (!FD) { 3697facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman const DeclContext *DC = D->getDeclContext(); 3707facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman // Check for extern variable declared locally. 371e81c5619f11e1ececf99ff30d15e5abfb6ea0c28Fariborz Jahanian if (DC->isFunctionOrMethod() && D->hasLinkage()) 3727facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman while (!DC->isNamespace() && !DC->isTranslationUnit()) 3737facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman DC = DC->getParent(); 3740b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (DC->isTranslationUnit() && D->getLinkage() != InternalLinkage) 3757facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman return false; 3767facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman } 3777facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman 378c00cb6409307846a9bbcd86d307a1a91aab659d0Eli Friedman // Class members are always mangled. 379c00cb6409307846a9bbcd86d307a1a91aab659d0Eli Friedman if (D->getDeclContext()->isRecord()) 380c00cb6409307846a9bbcd86d307a1a91aab659d0Eli Friedman return true; 381c00cb6409307846a9bbcd86d307a1a91aab659d0Eli Friedman 3827facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman // C functions and "main" are not mangled. 3837facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman if ((FD && FD->isMain()) || isInCLinkageSpecification(D)) 384f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar return false; 3855f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 386bc7a0299e4b9d6f669726976d00a08f47f03aa3fChris Lattner return true; 3875f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 3885f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 3895f9e272e632e951b1efe824cd16acb4d96077930Chris Lattnervoid CXXNameMangler::mangle(const NamedDecl *D, StringRef Prefix) { 390141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // Any decl can be declared with __asm("foo") on it, and this takes precedence 391141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // over all other naming in the .o file. 39240b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (const AsmLabelAttr *ALA = D->getAttr<AsmLabelAttr>()) { 39343f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlsson // If we have an asm name, then we use it as the mangling. 3944e274e955451632e6ba287bb03fb7a7840c3505eRafael Espindola 3954e274e955451632e6ba287bb03fb7a7840c3505eRafael Espindola // Adding the prefix can cause problems when one file has a "foo" and 3964e274e955451632e6ba287bb03fb7a7840c3505eRafael Espindola // another has a "\01foo". That is known to happen on ELF with the 3974e274e955451632e6ba287bb03fb7a7840c3505eRafael Espindola // tricks normally used for producing aliases (PR9177). Fortunately the 3984e274e955451632e6ba287bb03fb7a7840c3505eRafael Espindola // llvm mangler on ELF is a nop, so we can just avoid adding the \01 3996931743e29845d66d919a83db5a7b734f57ffdf2Peter Collingbourne // marker. We also avoid adding the marker if this is an alias for an 4006931743e29845d66d919a83db5a7b734f57ffdf2Peter Collingbourne // LLVM intrinsic. 4015f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef UserLabelPrefix = 402bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor getASTContext().getTargetInfo().getUserLabelPrefix(); 4036931743e29845d66d919a83db5a7b734f57ffdf2Peter Collingbourne if (!UserLabelPrefix.empty() && !ALA->getLabel().startswith("llvm.")) 4044e274e955451632e6ba287bb03fb7a7840c3505eRafael Espindola Out << '\01'; // LLVM IR Marker for __asm("foo") 4054e274e955451632e6ba287bb03fb7a7840c3505eRafael Espindola 40643f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlsson Out << ALA->getLabel(); 407f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar return; 40843f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlsson } 4091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41031455256ae26cc7069111643ec4429ea564377daSean Hunt // <mangled-name> ::= _Z <encoding> 41143f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlsson // ::= <data name> 41243f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlsson // ::= <special-name> 4137e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar Out << Prefix; 4147e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) 415f981bf84ad7745861bc9c971f46417527e1e5db5Daniel Dunbar mangleFunctionEncoding(FD); 416d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola else if (const VarDecl *VD = dyn_cast<VarDecl>(D)) 417d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangleName(VD); 4187e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar else 419d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangleName(cast<FieldDecl>(D)); 42043f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlsson} 42143f1740b7eeef0f39479474f199ec7cfa290b57eAnders Carlsson 4225f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregorvoid CXXNameMangler::mangleFunctionEncoding(const FunctionDecl *FD) { 4235f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // <encoding> ::= <function name> <bare-function-type> 4245f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor mangleName(FD); 4251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4267e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar // Don't mangle in the type if this isn't a decl we should typically mangle. 4277e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar if (!Context.shouldMangleDeclName(FD)) 4287e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar return; 4297e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar 430141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // Whether the mangling of a function type includes the return type depends on 431141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // the context and the nature of the function. The rules for deciding whether 432141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // the return type is included are: 4331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // 4341fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor // 1. Template functions (names or types) have return types encoded, with 4351fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor // the exceptions listed below. 4361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // 2. Function types not appearing as part of a function name mangling, 4371fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor // e.g. parameters, pointer types, etc., have return type encoded, with the 4381fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor // exceptions listed below. 4391fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor // 3. Non-template function names do not have return types encoded. 4401fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor // 441141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // The exceptions mentioned in (1) and (2) above, for which the return type is 442141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // never included, are 4431fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor // 1. Constructors. 4441fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor // 2. Destructors. 4451fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor // 3. Conversion operator functions, e.g. operator int. 4461fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor bool MangleReturnType = false; 4479234b7ff2bb99479fb97d5faa181a55aacf28b78Anders Carlsson if (FunctionTemplateDecl *PrimaryTemplate = FD->getPrimaryTemplate()) { 4489234b7ff2bb99479fb97d5faa181a55aacf28b78Anders Carlsson if (!(isa<CXXConstructorDecl>(FD) || isa<CXXDestructorDecl>(FD) || 4499234b7ff2bb99479fb97d5faa181a55aacf28b78Anders Carlsson isa<CXXConversionDecl>(FD))) 4509234b7ff2bb99479fb97d5faa181a55aacf28b78Anders Carlsson MangleReturnType = true; 4513c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 4529234b7ff2bb99479fb97d5faa181a55aacf28b78Anders Carlsson // Mangle the type of the primary template. 4539234b7ff2bb99479fb97d5faa181a55aacf28b78Anders Carlsson FD = PrimaryTemplate->getTemplatedDecl(); 4549234b7ff2bb99479fb97d5faa181a55aacf28b78Anders Carlsson } 4559234b7ff2bb99479fb97d5faa181a55aacf28b78Anders Carlsson 45679e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor mangleBareFunctionType(FD->getType()->getAs<FunctionType>(), 45779e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor MangleReturnType); 4585f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 4595f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 46047846d2b4c19972e57563bb05a777748939bfb47Anders Carlssonstatic const DeclContext *IgnoreLinkageSpecDecls(const DeclContext *DC) { 46147846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson while (isa<LinkageSpecDecl>(DC)) { 46247846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson DC = DC->getParent(); 46347846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson } 464193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 46547846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson return DC; 46647846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson} 46747846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson 468c820f90ff1a2c6e3e8b859355541c32f31d3cb8eAnders Carlsson/// isStd - Return whether a given namespace is the 'std' namespace. 469c820f90ff1a2c6e3e8b859355541c32f31d3cb8eAnders Carlssonstatic bool isStd(const NamespaceDecl *NS) { 470c820f90ff1a2c6e3e8b859355541c32f31d3cb8eAnders Carlsson if (!IgnoreLinkageSpecDecls(NS->getParent())->isTranslationUnit()) 471c820f90ff1a2c6e3e8b859355541c32f31d3cb8eAnders Carlsson return false; 472c820f90ff1a2c6e3e8b859355541c32f31d3cb8eAnders Carlsson 473c820f90ff1a2c6e3e8b859355541c32f31d3cb8eAnders Carlsson const IdentifierInfo *II = NS->getOriginalNamespace()->getIdentifier(); 474c820f90ff1a2c6e3e8b859355541c32f31d3cb8eAnders Carlsson return II && II->isStr("std"); 475c820f90ff1a2c6e3e8b859355541c32f31d3cb8eAnders Carlsson} 476c820f90ff1a2c6e3e8b859355541c32f31d3cb8eAnders Carlsson 47747846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson// isStdNamespace - Return whether a given decl context is a toplevel 'std' 47847846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson// namespace. 4791308af913ecd176341caa506d8dfb637e1b25486Daniel Dunbarstatic bool isStdNamespace(const DeclContext *DC) { 48047846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson if (!DC->isNamespace()) 48147846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson return false; 482193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 48347846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson return isStd(cast<NamespaceDecl>(DC)); 4841308af913ecd176341caa506d8dfb637e1b25486Daniel Dunbar} 4851308af913ecd176341caa506d8dfb637e1b25486Daniel Dunbar 486bb36ba488b7c6185546f8696447530ebfd296df7Anders Carlssonstatic const TemplateDecl * 487bb36ba488b7c6185546f8696447530ebfd296df7Anders CarlssonisTemplate(const NamedDecl *ND, const TemplateArgumentList *&TemplateArgs) { 4882744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson // Check if we have a function template. 4892744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(ND)){ 490bb36ba488b7c6185546f8696447530ebfd296df7Anders Carlsson if (const TemplateDecl *TD = FD->getPrimaryTemplate()) { 4912744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson TemplateArgs = FD->getTemplateSpecializationArgs(); 492bb36ba488b7c6185546f8696447530ebfd296df7Anders Carlsson return TD; 4932744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson } 4942744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson } 4952744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson 496eafc6dcf670070812a99fcc6db21945a786d9829Anders Carlsson // Check if we have a class template. 497eafc6dcf670070812a99fcc6db21945a786d9829Anders Carlsson if (const ClassTemplateSpecializationDecl *Spec = 498eafc6dcf670070812a99fcc6db21945a786d9829Anders Carlsson dyn_cast<ClassTemplateSpecializationDecl>(ND)) { 499eafc6dcf670070812a99fcc6db21945a786d9829Anders Carlsson TemplateArgs = &Spec->getTemplateArgs(); 500bb36ba488b7c6185546f8696447530ebfd296df7Anders Carlsson return Spec->getSpecializedTemplate(); 501eafc6dcf670070812a99fcc6db21945a786d9829Anders Carlsson } 5023c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 5032744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson return 0; 5042744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson} 5052744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson 5065f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregorvoid CXXNameMangler::mangleName(const NamedDecl *ND) { 5075f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // <name> ::= <nested-name> 5085f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= <unscoped-name> 5095f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= <unscoped-template-name> <template-args> 510201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson // ::= <local-name> 5115f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // 512d58d6f778de936516d8815783f2e88348c41dce4Anders Carlsson const DeclContext *DC = ND->getDeclContext(); 513193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 5147facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman // If this is an extern variable declared locally, the relevant DeclContext 5157facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman // is that of the containing namespace, or the translation unit. 5167facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman if (isa<FunctionDecl>(DC) && ND->hasLinkage()) 5177facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman while (!DC->isNamespace() && !DC->isTranslationUnit()) 5187facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman DC = DC->getParent(); 51982b7d7bc723051d8db4e21883e9072fe3ad99305John McCall else if (GetLocalClassDecl(ND)) { 52082b7d7bc723051d8db4e21883e9072fe3ad99305John McCall mangleLocalName(ND); 52182b7d7bc723051d8db4e21883e9072fe3ad99305John McCall return; 52282b7d7bc723051d8db4e21883e9072fe3ad99305John McCall } 5237facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman 5245cc58c6cfe4a6378287dbf92f9b1a23e133a6118Anders Carlsson while (isa<LinkageSpecDecl>(DC)) 525d58d6f778de936516d8815783f2e88348c41dce4Anders Carlsson DC = DC->getParent(); 5263c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 527d58d6f778de936516d8815783f2e88348c41dce4Anders Carlsson if (DC->isTranslationUnit() || isStdNamespace(DC)) { 5282744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson // Check if we have a template. 5292744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson const TemplateArgumentList *TemplateArgs = 0; 5300fa6df440023a95d8b47c79111e8613fc29f723bAnders Carlsson if (const TemplateDecl *TD = isTemplate(ND, TemplateArgs)) { 5312744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson mangleUnscopedTemplateName(TD); 532d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola TemplateParameterList *TemplateParameters = TD->getTemplateParameters(); 533d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangleTemplateArgs(*TemplateParameters, *TemplateArgs); 5342744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson return; 5357482e247163978792654ca1a99913e19dd507e0aAnders Carlsson } 5367482e247163978792654ca1a99913e19dd507e0aAnders Carlsson 5377482e247163978792654ca1a99913e19dd507e0aAnders Carlsson mangleUnscopedName(ND); 5387482e247163978792654ca1a99913e19dd507e0aAnders Carlsson return; 5397482e247163978792654ca1a99913e19dd507e0aAnders Carlsson } 5403c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 5417b06f6c20e124afa4d1fde85b1dd721462f2d912Anders Carlsson if (isa<FunctionDecl>(DC) || isa<ObjCMethodDecl>(DC)) { 5421b42c794481f6f958267e4ba913d74fef43161f6Anders Carlsson mangleLocalName(ND); 5437482e247163978792654ca1a99913e19dd507e0aAnders Carlsson return; 5447482e247163978792654ca1a99913e19dd507e0aAnders Carlsson } 5453c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 5467facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedman mangleNestedName(ND, DC); 5475f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 5483c9e463762243affcb0223d853ba10e07e321747Daniel Dunbarvoid CXXNameMangler::mangleName(const TemplateDecl *TD, 5497624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson const TemplateArgument *TemplateArgs, 5507624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson unsigned NumTemplateArgs) { 55147846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson const DeclContext *DC = IgnoreLinkageSpecDecls(TD->getDeclContext()); 5523c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 5537624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson if (DC->isTranslationUnit() || isStdNamespace(DC)) { 5540fa6df440023a95d8b47c79111e8613fc29f723bAnders Carlsson mangleUnscopedTemplateName(TD); 555d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola TemplateParameterList *TemplateParameters = TD->getTemplateParameters(); 556d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangleTemplateArgs(*TemplateParameters, TemplateArgs, NumTemplateArgs); 5577624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson } else { 5587624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson mangleNestedName(TD, TemplateArgs, NumTemplateArgs); 5597624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson } 5607624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson} 5617624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson 562201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlssonvoid CXXNameMangler::mangleUnscopedName(const NamedDecl *ND) { 563201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson // <unscoped-name> ::= <unqualified-name> 564201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson // ::= St <unqualified-name> # ::std:: 565201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson if (isStdNamespace(ND->getDeclContext())) 566201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson Out << "St"; 5673c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 568201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson mangleUnqualifiedName(ND); 569201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson} 570201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson 5710fa6df440023a95d8b47c79111e8613fc29f723bAnders Carlssonvoid CXXNameMangler::mangleUnscopedTemplateName(const TemplateDecl *ND) { 572201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson // <unscoped-template-name> ::= <unscoped-name> 573201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson // ::= <substitution> 5747624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson if (mangleSubstitution(ND)) 57503c9d530dbdcbb00b0b1ac0abced5dcce2e21408Anders Carlsson return; 5763c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 57732fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor // <template-template-param> ::= <template-param> 57832fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor if (const TemplateTemplateParmDecl *TTP 57932fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor = dyn_cast<TemplateTemplateParmDecl>(ND)) { 58032fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor mangleTemplateParameter(TTP->getIndex()); 58132fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor return; 582193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam } 58332fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor 5841668f2062b237ddb137f5d16388b3dea49651f85Anders Carlsson mangleUnscopedName(ND->getTemplatedDecl()); 5857624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson addSubstitution(ND); 586201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson} 587201ce7485c3401adad861fd0979f1bfefc064ff7Anders Carlsson 5881e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregorvoid CXXNameMangler::mangleUnscopedTemplateName(TemplateName Template) { 5891e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor // <unscoped-template-name> ::= <unscoped-name> 5901e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor // ::= <substitution> 5911e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor if (TemplateDecl *TD = Template.getAsTemplateDecl()) 5921e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor return mangleUnscopedTemplateName(TD); 593c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 5941e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor if (mangleSubstitution(Template)) 5951e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor return; 5961e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor 5971e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor DependentTemplateName *Dependent = Template.getAsDependentTemplateName(); 5981e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor assert(Dependent && "Not a dependent template name?"); 5991961791626ab0ebbd8bf901a37476d527def4edbDouglas Gregor if (const IdentifierInfo *Id = Dependent->getIdentifier()) 6001961791626ab0ebbd8bf901a37476d527def4edbDouglas Gregor mangleSourceName(Id); 6011961791626ab0ebbd8bf901a37476d527def4edbDouglas Gregor else 6021961791626ab0ebbd8bf901a37476d527def4edbDouglas Gregor mangleOperatorName(Dependent->getOperator(), UnknownArity); 603c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 6041e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor addSubstitution(Template); 6051e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor} 6061e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor 6071b6005285e234bc30698917b2d3abb2f1f98bc77John McCallvoid CXXNameMangler::mangleFloat(const llvm::APFloat &f) { 6081b6005285e234bc30698917b2d3abb2f1f98bc77John McCall // ABI: 6091b6005285e234bc30698917b2d3abb2f1f98bc77John McCall // Floating-point literals are encoded using a fixed-length 6101b6005285e234bc30698917b2d3abb2f1f98bc77John McCall // lowercase hexadecimal string corresponding to the internal 6111b6005285e234bc30698917b2d3abb2f1f98bc77John McCall // representation (IEEE on Itanium), high-order bytes first, 6121b6005285e234bc30698917b2d3abb2f1f98bc77John McCall // without leading zeroes. For example: "Lf bf800000 E" is -1.0f 6131b6005285e234bc30698917b2d3abb2f1f98bc77John McCall // on Itanium. 6140c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall // The 'without leading zeroes' thing seems to be an editorial 6150c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall // mistake; see the discussion on cxx-abi-dev beginning on 6160c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall // 2012-01-16. 6170c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall 6180c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall // Our requirements here are just barely wierd enough to justify 6190c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall // using a custom algorithm instead of post-processing APInt::toString(). 6200c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall 6210c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall llvm::APInt valueBits = f.bitcastToAPInt(); 6220c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall unsigned numCharacters = (valueBits.getBitWidth() + 3) / 4; 6230c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall assert(numCharacters != 0); 6240c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall 6250c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall // Allocate a buffer of the right number of characters. 6260c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall llvm::SmallVector<char, 20> buffer; 6270c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall buffer.set_size(numCharacters); 6280c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall 6290c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall // Fill the buffer left-to-right. 6300c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall for (unsigned stringIndex = 0; stringIndex != numCharacters; ++stringIndex) { 6310c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall // The bit-index of the next hex digit. 6320c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall unsigned digitBitIndex = 4 * (numCharacters - stringIndex - 1); 6330c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall 6340c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall // Project out 4 bits starting at 'digitIndex'. 6350c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall llvm::integerPart hexDigit 6360c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall = valueBits.getRawData()[digitBitIndex / llvm::integerPartWidth]; 6370c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall hexDigit >>= (digitBitIndex % llvm::integerPartWidth); 6380c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall hexDigit &= 0xF; 6390c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall 6400c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall // Map that over to a lowercase hex digit. 6410c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall static const char charForHex[16] = { 6420c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall '0', '1', '2', '3', '4', '5', '6', '7', 6430c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' 6440c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall }; 6450c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall buffer[stringIndex] = charForHex[hexDigit]; 6460c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall } 6471b6005285e234bc30698917b2d3abb2f1f98bc77John McCall 6480c8731a2724e1aee3b908dcfd589a89d4b7938e9John McCall Out.write(buffer.data(), numCharacters); 6490512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall} 6500512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 6510512e48ea1664dd0d3af0dd29bb46bbded040d56John McCallvoid CXXNameMangler::mangleNumber(const llvm::APSInt &Value) { 6520512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall if (Value.isSigned() && Value.isNegative()) { 6530512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << 'n'; 6540512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Value.abs().print(Out, true); 6550512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } else 6560512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Value.print(Out, Value.isSigned()); 6570512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall} 6580512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 659a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlssonvoid CXXNameMangler::mangleNumber(int64_t Number) { 660a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson // <number> ::= [n] <non-negative decimal integer> 661a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson if (Number < 0) { 662a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson Out << 'n'; 663a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson Number = -Number; 664a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson } 665193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 666a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson Out << Number; 667a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson} 668a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson 66919879c98d964bc67442618510af04e3457219780Anders Carlssonvoid CXXNameMangler::mangleCallOffset(int64_t NonVirtual, int64_t Virtual) { 670141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // <call-offset> ::= h <nv-offset> _ 671141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // ::= v <v-offset> _ 672141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // <nv-offset> ::= <offset number> # non-virtual base override 673a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson // <v-offset> ::= <offset number> _ <virtual offset number> 674141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // # virtual base override, with vcall offset 67519879c98d964bc67442618510af04e3457219780Anders Carlsson if (!Virtual) { 676a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson Out << 'h'; 67719879c98d964bc67442618510af04e3457219780Anders Carlsson mangleNumber(NonVirtual); 678a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson Out << '_'; 679a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson return; 680141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump } 681193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 682a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson Out << 'v'; 68319879c98d964bc67442618510af04e3457219780Anders Carlsson mangleNumber(NonVirtual); 684a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson Out << '_'; 68519879c98d964bc67442618510af04e3457219780Anders Carlsson mangleNumber(Virtual); 686a94822e8937eeb340a653b88024f805a07a2d2eeAnders Carlsson Out << '_'; 6879124bccde8e4b3531474b108d74720feac898d75Mike Stump} 6889124bccde8e4b3531474b108d74720feac898d75Mike Stump 6894f4e413f282609d4a488b44fc8669c28636a7abaJohn McCallvoid CXXNameMangler::manglePrefix(QualType type) { 690a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall if (const TemplateSpecializationType *TST = 691a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall type->getAs<TemplateSpecializationType>()) { 692a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall if (!mangleSubstitution(QualType(TST, 0))) { 693a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleTemplatePrefix(TST->getTemplateName()); 694a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 695a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // FIXME: GCC does not appear to mangle the template arguments when 696a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // the template in question is a dependent template name. Should we 697a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // emulate that badness? 698a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleTemplateArgs(TST->getTemplateName(), TST->getArgs(), 699a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall TST->getNumArgs()); 700a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall addSubstitution(QualType(TST, 0)); 701a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } 702a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } else if (const DependentTemplateSpecializationType *DTST 703a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall = type->getAs<DependentTemplateSpecializationType>()) { 704a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall TemplateName Template 705a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall = getASTContext().getDependentTemplateName(DTST->getQualifier(), 706a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall DTST->getIdentifier()); 707a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleTemplatePrefix(Template); 708a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 709a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // FIXME: GCC does not appear to mangle the template arguments when 710a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // the template in question is a dependent template name. Should we 711a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // emulate that badness? 712a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleTemplateArgs(Template, DTST->getArgs(), DTST->getNumArgs()); 713a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } else { 714a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // We use the QualType mangle type variant here because it handles 715a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // substitutions. 716a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleType(type); 717a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } 718a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall} 719a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 720a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall/// Mangle everything prior to the base-unresolved-name in an unresolved-name. 721a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall/// 722a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall/// \param firstQualifierLookup - the entity found by unqualified lookup 723a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall/// for the first name in the qualifier, if this is for a member expression 724a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall/// \param recursive - true if this is being called recursively, 725a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall/// i.e. if there is more prefix "to the right". 726a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCallvoid CXXNameMangler::mangleUnresolvedPrefix(NestedNameSpecifier *qualifier, 727a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall NamedDecl *firstQualifierLookup, 728a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall bool recursive) { 729a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 730a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // x, ::x 731a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // <unresolved-name> ::= [gs] <base-unresolved-name> 732a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 733a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // T::x / decltype(p)::x 734a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // <unresolved-name> ::= sr <unresolved-type> <base-unresolved-name> 735a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 736a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // T::N::x /decltype(p)::N::x 737a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // <unresolved-name> ::= srN <unresolved-type> <unresolved-qualifier-level>+ E 738a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // <base-unresolved-name> 739a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 740a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // A::x, N::y, A<T>::z; "gs" means leading "::" 741a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // <unresolved-name> ::= [gs] sr <unresolved-qualifier-level>+ E 742a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // <base-unresolved-name> 743a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 744a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall switch (qualifier->getKind()) { 7451dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall case NestedNameSpecifier::Global: 746a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall Out << "gs"; 747a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 748a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // We want an 'sr' unless this is the entire NNS. 749a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall if (recursive) 750a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall Out << "sr"; 751a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 752a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // We never want an 'E' here. 753a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall return; 754a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 7551dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall case NestedNameSpecifier::Namespace: 756a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall if (qualifier->getPrefix()) 757a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleUnresolvedPrefix(qualifier->getPrefix(), firstQualifierLookup, 758a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall /*recursive*/ true); 759a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall else 760a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall Out << "sr"; 761a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleSourceName(qualifier->getAsNamespace()->getIdentifier()); 7621dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall break; 76314aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor case NestedNameSpecifier::NamespaceAlias: 764a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall if (qualifier->getPrefix()) 765a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleUnresolvedPrefix(qualifier->getPrefix(), firstQualifierLookup, 766a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall /*recursive*/ true); 767a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall else 768a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall Out << "sr"; 769a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleSourceName(qualifier->getAsNamespaceAlias()->getIdentifier()); 77014aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor break; 771a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 7721dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall case NestedNameSpecifier::TypeSpec: 7739b35b25db3641dfa8876d24b41cfa5b4d51477cbRafael Espindola case NestedNameSpecifier::TypeSpecWithTemplate: { 7744f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall const Type *type = qualifier->getAsType(); 7759b35b25db3641dfa8876d24b41cfa5b4d51477cbRafael Espindola 7764f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall // We only want to use an unresolved-type encoding if this is one of: 7774f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall // - a decltype 7784f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall // - a template type parameter 7794f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall // - a template template parameter with arguments 7804f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall // In all of these cases, we should have no prefix. 7814f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall if (qualifier->getPrefix()) { 7824f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall mangleUnresolvedPrefix(qualifier->getPrefix(), firstQualifierLookup, 7834f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall /*recursive*/ true); 7844f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall } else { 7854f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall // Otherwise, all the cases want this. 7864f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall Out << "sr"; 7874f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall } 7884f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall 7894f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall // Only certain other types are valid as prefixes; enumerate them. 790d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall switch (type->getTypeClass()) { 791d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Builtin: 792d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Complex: 793d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Pointer: 794d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::BlockPointer: 795d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::LValueReference: 796d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::RValueReference: 797d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::MemberPointer: 798d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::ConstantArray: 799d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::IncompleteArray: 800d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::VariableArray: 801d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::DependentSizedArray: 802d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::DependentSizedExtVector: 803d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Vector: 804d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::ExtVector: 805d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::FunctionProto: 806d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::FunctionNoProto: 807d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Enum: 808d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Paren: 809d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Elaborated: 810d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Attributed: 811d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Auto: 812d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::PackExpansion: 813d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::ObjCObject: 814d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::ObjCInterface: 815d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::ObjCObjectPointer: 816b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman case Type::Atomic: 817d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall llvm_unreachable("type is illegal as a nested name specifier"); 818d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 81968a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall case Type::SubstTemplateTypeParmPack: 82068a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // FIXME: not clear how to mangle this! 82168a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // template <class T...> class A { 82268a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // template <class U...> void foo(decltype(T::foo(U())) x...); 82368a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // }; 82468a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall Out << "_SUBSTPACK_"; 82568a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall break; 82668a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall 827d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall // <unresolved-type> ::= <template-param> 828d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall // ::= <decltype> 829d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall // ::= <template-template-param> <template-args> 830d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall // (this last is not official yet) 831d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::TypeOfExpr: 832d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::TypeOf: 833d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Decltype: 834d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::TemplateTypeParm: 835d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::UnaryTransform: 83635ee32e800145a535f2676898f8f06f7ae6e9b43John McCall case Type::SubstTemplateTypeParm: 837d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall unresolvedType: 838d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall assert(!qualifier->getPrefix()); 839d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 840d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall // We only get here recursively if we're followed by identifiers. 841d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall if (recursive) Out << 'N'; 842d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 84335ee32e800145a535f2676898f8f06f7ae6e9b43John McCall // This seems to do everything we want. It's not really 84435ee32e800145a535f2676898f8f06f7ae6e9b43John McCall // sanctioned for a substituted template parameter, though. 845d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall mangleType(QualType(type, 0)); 846d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 847d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall // We never want to print 'E' directly after an unresolved-type, 848d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall // so we return directly. 849d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall return; 850d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 851d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Typedef: 852d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall mangleSourceName(cast<TypedefType>(type)->getDecl()->getIdentifier()); 853d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall break; 854d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 855d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::UnresolvedUsing: 856d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall mangleSourceName(cast<UnresolvedUsingType>(type)->getDecl() 857d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall ->getIdentifier()); 858d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall break; 859d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 860d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::Record: 861d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall mangleSourceName(cast<RecordType>(type)->getDecl()->getIdentifier()); 862d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall break; 863d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 864d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::TemplateSpecialization: { 865d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall const TemplateSpecializationType *tst 866d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall = cast<TemplateSpecializationType>(type); 86768a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall TemplateName name = tst->getTemplateName(); 86868a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall switch (name.getKind()) { 86968a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall case TemplateName::Template: 87068a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall case TemplateName::QualifiedTemplate: { 87168a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall TemplateDecl *temp = name.getAsTemplateDecl(); 87268a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall 87368a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // If the base is a template template parameter, this is an 87468a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // unresolved type. 87568a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall assert(temp && "no template for template specialization type"); 87668a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall if (isa<TemplateTemplateParmDecl>(temp)) goto unresolvedType; 87768a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall 87868a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall mangleSourceName(temp->getIdentifier()); 87968a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall break; 88068a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall } 881d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 88268a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall case TemplateName::OverloadedTemplate: 88368a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall case TemplateName::DependentTemplate: 88468a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall llvm_unreachable("invalid base for a template specialization type"); 88568a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall 88668a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall case TemplateName::SubstTemplateTemplateParm: { 88768a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall SubstTemplateTemplateParmStorage *subst 88868a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall = name.getAsSubstTemplateTemplateParm(); 88968a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall mangleExistingSubstitution(subst->getReplacement()); 89068a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall break; 89168a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall } 89268a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall 89368a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall case TemplateName::SubstTemplateTemplateParmPack: { 89468a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // FIXME: not clear how to mangle this! 89568a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // template <template <class U> class T...> class A { 89668a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // template <class U...> void foo(decltype(T<U>::foo) x...); 89768a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // }; 89868a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall Out << "_SUBSTPACK_"; 89968a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall break; 90068a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall } 90168a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall } 902d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 9034f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall mangleUnresolvedTemplateArgs(tst->getArgs(), tst->getNumArgs()); 904d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall break; 905d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall } 906d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 907d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::InjectedClassName: 908d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall mangleSourceName(cast<InjectedClassNameType>(type)->getDecl() 909d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall ->getIdentifier()); 910d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall break; 911d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 912d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::DependentName: 913d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall mangleSourceName(cast<DependentNameType>(type)->getIdentifier()); 914d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall break; 915d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall 916d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall case Type::DependentTemplateSpecialization: { 917d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall const DependentTemplateSpecializationType *tst 918d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall = cast<DependentTemplateSpecializationType>(type); 9194f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall mangleSourceName(tst->getIdentifier()); 9204f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall mangleUnresolvedTemplateArgs(tst->getArgs(), tst->getNumArgs()); 921d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall break; 922d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall } 9234f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall } 9244f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall break; 9259b35b25db3641dfa8876d24b41cfa5b4d51477cbRafael Espindola } 926a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 9271dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall case NestedNameSpecifier::Identifier: 928ad5e73887052193afda72db8efcb812bd083a4a8John McCall // Member expressions can have these without prefixes. 929a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall if (qualifier->getPrefix()) { 930a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleUnresolvedPrefix(qualifier->getPrefix(), firstQualifierLookup, 931a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall /*recursive*/ true); 932a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } else if (firstQualifierLookup) { 933a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 934a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // Try to make a proper qualifier out of the lookup result, and 935a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // then just recurse on that. 936a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall NestedNameSpecifier *newQualifier; 937a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall if (TypeDecl *typeDecl = dyn_cast<TypeDecl>(firstQualifierLookup)) { 938a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall QualType type = getASTContext().getTypeDeclType(typeDecl); 939a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 940a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // Pretend we had a different nested name specifier. 941a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall newQualifier = NestedNameSpecifier::Create(getASTContext(), 942a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall /*prefix*/ 0, 943a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall /*template*/ false, 944a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall type.getTypePtr()); 945a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } else if (NamespaceDecl *nspace = 946a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall dyn_cast<NamespaceDecl>(firstQualifierLookup)) { 947a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall newQualifier = NestedNameSpecifier::Create(getASTContext(), 948a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall /*prefix*/ 0, 949a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall nspace); 950a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } else if (NamespaceAliasDecl *alias = 951a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall dyn_cast<NamespaceAliasDecl>(firstQualifierLookup)) { 952a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall newQualifier = NestedNameSpecifier::Create(getASTContext(), 953a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall /*prefix*/ 0, 954a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall alias); 955a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } else { 956a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // No sensible mangling to do here. 957a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall newQualifier = 0; 958a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } 959a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 960a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall if (newQualifier) 961a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall return mangleUnresolvedPrefix(newQualifier, /*lookup*/ 0, recursive); 962a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 963a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } else { 964a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall Out << "sr"; 965a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } 966a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 967a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleSourceName(qualifier->getAsIdentifier()); 9681dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall break; 9691dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 9701dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 971a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // If this was the innermost part of the NNS, and we fell out to 972a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // here, append an 'E'. 973a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall if (!recursive) 974a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall Out << 'E'; 975a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall} 9761dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 977a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall/// Mangle an unresolved-name, which is generally used for names which 978a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall/// weren't resolved to specific entities. 979a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCallvoid CXXNameMangler::mangleUnresolvedName(NestedNameSpecifier *qualifier, 980a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall NamedDecl *firstQualifierLookup, 981a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall DeclarationName name, 982a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall unsigned knownArity) { 983a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall if (qualifier) mangleUnresolvedPrefix(qualifier, firstQualifierLookup); 984a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleUnqualifiedName(0, name, knownArity); 9851dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall} 9861dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 9876f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlssonstatic const FieldDecl *FindFirstNamedDataMember(const RecordDecl *RD) { 9886f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson assert(RD->isAnonymousStructOrUnion() && 9896f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson "Expected anonymous struct or union!"); 9906f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson 9916f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson for (RecordDecl::field_iterator I = RD->field_begin(), E = RD->field_end(); 9926f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson I != E; ++I) { 9936f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson const FieldDecl *FD = *I; 9946f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson 9956f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson if (FD->getIdentifier()) 9966f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson return FD; 9976f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson 9986f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson if (const RecordType *RT = FD->getType()->getAs<RecordType>()) { 9996f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson if (const FieldDecl *NamedDataMember = 10006f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson FindFirstNamedDataMember(RT->getDecl())) 10016f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson return NamedDataMember; 10026f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson } 10036f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson } 10046f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson 10056f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson // We didn't find a named data member. 10066f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson return 0; 10076f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson} 10086f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson 10091dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCallvoid CXXNameMangler::mangleUnqualifiedName(const NamedDecl *ND, 10101dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall DeclarationName Name, 10111dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall unsigned KnownArity) { 10125f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // <unqualified-name> ::= <operator-name> 10131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // ::= <ctor-dtor-name> 10141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // ::= <source-name> 10155f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor switch (Name.getNameKind()) { 1016c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson case DeclarationName::Identifier: { 1017c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson if (const IdentifierInfo *II = Name.getAsIdentifierInfo()) { 101831455256ae26cc7069111643ec4429ea564377daSean Hunt // We must avoid conflicts between internally- and externally- 101974990f45b0bc57fca81f908efb13d2b6c6350f03John McCall // linked variable and function declaration names in the same TU: 102074990f45b0bc57fca81f908efb13d2b6c6350f03John McCall // void test() { extern void foo(); } 102174990f45b0bc57fca81f908efb13d2b6c6350f03John McCall // static void foo(); 102274990f45b0bc57fca81f908efb13d2b6c6350f03John McCall // This naming convention is the same as that followed by GCC, 102374990f45b0bc57fca81f908efb13d2b6c6350f03John McCall // though it shouldn't actually matter. 102474990f45b0bc57fca81f908efb13d2b6c6350f03John McCall if (ND && ND->getLinkage() == InternalLinkage && 102531455256ae26cc7069111643ec4429ea564377daSean Hunt ND->getDeclContext()->isFileContext()) 102631455256ae26cc7069111643ec4429ea564377daSean Hunt Out << 'L'; 102731455256ae26cc7069111643ec4429ea564377daSean Hunt 1028c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson mangleSourceName(II); 1029c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson break; 1030c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson } 10313c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 10321dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall // Otherwise, an anonymous entity. We must have a declaration. 10331dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall assert(ND && "mangling empty name without declaration"); 10341dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 10351dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall if (const NamespaceDecl *NS = dyn_cast<NamespaceDecl>(ND)) { 10361dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall if (NS->isAnonymousNamespace()) { 10371dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall // This is how gcc mangles these names. 10381dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall Out << "12_GLOBAL__N_1"; 10391dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall break; 10401dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 10411dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 10421dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 10436f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson if (const VarDecl *VD = dyn_cast<VarDecl>(ND)) { 10446f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson // We must have an anonymous union or struct declaration. 10456f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson const RecordDecl *RD = 10466f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson cast<RecordDecl>(VD->getType()->getAs<RecordType>()->getDecl()); 10476f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson 10486f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson // Itanium C++ ABI 5.1.2: 10496f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson // 10506f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson // For the purposes of mangling, the name of an anonymous union is 10516f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson // considered to be the name of the first named data member found by a 10526f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson // pre-order, depth-first, declaration-order walk of the data members of 10536f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson // the anonymous union. If there is no such data member (i.e., if all of 10546f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson // the data members in the union are unnamed), then there is no way for 10556f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson // a program to refer to the anonymous union, and there is therefore no 10566f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson // need to mangle its name. 10576f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson const FieldDecl *FD = FindFirstNamedDataMember(RD); 10587121c8f551d9c91c0cf0e5e1f7f9aafa97241b17John McCall 10597121c8f551d9c91c0cf0e5e1f7f9aafa97241b17John McCall // It's actually possible for various reasons for us to get here 10607121c8f551d9c91c0cf0e5e1f7f9aafa97241b17John McCall // with an empty anonymous struct / union. Fortunately, it 10617121c8f551d9c91c0cf0e5e1f7f9aafa97241b17John McCall // doesn't really matter what name we generate. 10627121c8f551d9c91c0cf0e5e1f7f9aafa97241b17John McCall if (!FD) break; 10636f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson assert(FD->getIdentifier() && "Data member name isn't an identifier!"); 10646f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson 10656f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson mangleSourceName(FD->getIdentifier()); 10666f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson break; 10676f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson } 10686f7e2f4019860cad19883db44f4d0bfa36d2f552Anders Carlsson 1069c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson // We must have an anonymous struct. 1070c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson const TagDecl *TD = cast<TagDecl>(ND); 1071162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (const TypedefNameDecl *D = TD->getTypedefNameForAnonDecl()) { 1072c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson assert(TD->getDeclContext() == D->getDeclContext() && 1073c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson "Typedef should not be in another decl context!"); 1074c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson assert(D->getDeclName().getAsIdentifierInfo() && 1075c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson "Typedef was not named!"); 1076c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson mangleSourceName(D->getDeclName().getAsIdentifierInfo()); 1077c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson break; 1078c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson } 10793c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 1080c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson // Get a unique id for the anonymous struct. 1081c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson uint64_t AnonStructId = Context.getAnonymousStructId(TD); 1082c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson 1083c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson // Mangle it as a source name in the form 10843c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar // [n] $_<id> 1085c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson // where n is the length of the string. 1086f7ccbad5d9949e7ddd1cbef43d482553b811e026Dylan Noblesmith SmallString<8> Str; 1087c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson Str += "$_"; 1088c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson Str += llvm::utostr(AnonStructId); 1089c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson 1090c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson Out << Str.size(); 1091c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson Out << Str.str(); 10925f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor break; 1093c4355b6883382b85cda3b7337587784dabf3450bAnders Carlsson } 10945f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 10955f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case DeclarationName::ObjCZeroArgSelector: 10965f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case DeclarationName::ObjCOneArgSelector: 10975f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case DeclarationName::ObjCMultiArgSelector: 1098b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Can't mangle Objective-C selector names here!"); 10995f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 11005f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case DeclarationName::CXXConstructorName: 110127ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson if (ND == Structor) 1102141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // If the named decl is the C++ constructor we're mangling, use the type 1103141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // we were given. 110427ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson mangleCXXCtorType(static_cast<CXXCtorType>(StructorType)); 11053ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson else 11063ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson // Otherwise, use the complete constructor name. This is relevant if a 11073ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson // class with a constructor is declared within a constructor. 11083ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson mangleCXXCtorType(Ctor_Complete); 11095f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor break; 11105f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 11115f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case DeclarationName::CXXDestructorName: 111227ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson if (ND == Structor) 1113141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // If the named decl is the C++ destructor we're mangling, use the type we 1114141c5afc2bbb550b83f18e0284585b5ae477ad2aMike Stump // were given. 111527ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson mangleCXXDtorType(static_cast<CXXDtorType>(StructorType)); 111627ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson else 111727ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson // Otherwise, use the complete destructor name. This is relevant if a 111827ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson // class with a destructor is declared within a destructor. 111927ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson mangleCXXDtorType(Dtor_Complete); 11205f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor break; 11215f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 11225f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case DeclarationName::CXXConversionFunctionName: 11231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // <operator-name> ::= cv <type> # (cast) 1124219cc61b505960195d538052f0e629b387ad60caDouglas Gregor Out << "cv"; 112579e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor mangleType(Name.getCXXNameType()); 11265f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor break; 11275f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 11288257d411a759b91921681c3b7f79e50e0d9252dbAnders Carlsson case DeclarationName::CXXOperatorName: { 11291dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall unsigned Arity; 11301dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall if (ND) { 11311dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall Arity = cast<FunctionDecl>(ND)->getNumParams(); 1132193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 11331dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall // If we have a C++ member function, we need to include the 'this' pointer. 11341dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall // FIXME: This does not make sense for operators that are static, but their 11351dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall // names stay the same regardless of the arity (operator new for instance). 11361dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall if (isa<CXXMethodDecl>(ND)) 11371dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall Arity++; 11381dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } else 11391dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall Arity = KnownArity; 11401dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 11418257d411a759b91921681c3b7f79e50e0d9252dbAnders Carlsson mangleOperatorName(Name.getCXXOverloadedOperator(), Arity); 11425f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor break; 11438257d411a759b91921681c3b7f79e50e0d9252dbAnders Carlsson } 11445f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 11453e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt case DeclarationName::CXXLiteralOperatorName: 11465dd6b39fb585f252bd87fb8032888bb208059f0dSean Hunt // FIXME: This mangling is not yet official. 11472421f66b945510c7d049f6d89e7cc57d0013add8Sean Hunt Out << "li"; 11483e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt mangleSourceName(Name.getCXXLiteralIdentifier()); 11493e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt break; 11503e518bda00d710754ca077cf9be8dd821e16a854Sean Hunt 11515f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case DeclarationName::CXXUsingDirective: 1152b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Can't mangle a using directive name!"); 11535f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor } 11545f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 11555f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 11565f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregorvoid CXXNameMangler::mangleSourceName(const IdentifierInfo *II) { 11575f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // <source-name> ::= <positive length number> <identifier> 11585f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // <number> ::= [n] <non-negative decimal integer> 11595f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // <identifier> ::= <unqualified source code identifier> 11605f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Out << II->getLength() << II->getName(); 11615f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 11625f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 11637facf8408ff426be732b9eb62c58d42e6177dd7bEli Friedmanvoid CXXNameMangler::mangleNestedName(const NamedDecl *ND, 1164570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian const DeclContext *DC, 1165570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian bool NoFunction) { 11660a9a6d68979619a621fedc5089674487f720f765Douglas Gregor // <nested-name> 11670a9a6d68979619a621fedc5089674487f720f765Douglas Gregor // ::= N [<CV-qualifiers>] [<ref-qualifier>] <prefix> <unqualified-name> E 11680a9a6d68979619a621fedc5089674487f720f765Douglas Gregor // ::= N [<CV-qualifiers>] [<ref-qualifier>] <template-prefix> 11690a9a6d68979619a621fedc5089674487f720f765Douglas Gregor // <template-args> E 1170d99edc44300b36732a14c294c93899ba28d479eaAnders Carlsson 11715f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Out << 'N'; 11720a9a6d68979619a621fedc5089674487f720f765Douglas Gregor if (const CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(ND)) { 11730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall mangleQualifiers(Qualifiers::fromCVRMask(Method->getTypeQualifiers())); 11740a9a6d68979619a621fedc5089674487f720f765Douglas Gregor mangleRefQualifier(Method->getRefQualifier()); 11750a9a6d68979619a621fedc5089674487f720f765Douglas Gregor } 11760a9a6d68979619a621fedc5089674487f720f765Douglas Gregor 11772744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson // Check if we have a template. 11782744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson const TemplateArgumentList *TemplateArgs = 0; 11793c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar if (const TemplateDecl *TD = isTemplate(ND, TemplateArgs)) { 11802744a063f1d9c475d76c2276f0b4f0998dfc5d09Anders Carlsson mangleTemplatePrefix(TD); 1181d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola TemplateParameterList *TemplateParameters = TD->getTemplateParameters(); 1182d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangleTemplateArgs(*TemplateParameters, *TemplateArgs); 1183570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian } 1184570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian else { 1185570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian manglePrefix(DC, NoFunction); 11867482e247163978792654ca1a99913e19dd507e0aAnders Carlsson mangleUnqualifiedName(ND); 11877482e247163978792654ca1a99913e19dd507e0aAnders Carlsson } 11883c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 11895f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Out << 'E'; 11905f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 11913c9e463762243affcb0223d853ba10e07e321747Daniel Dunbarvoid CXXNameMangler::mangleNestedName(const TemplateDecl *TD, 11927624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson const TemplateArgument *TemplateArgs, 11937624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson unsigned NumTemplateArgs) { 1194e45117b945a0d8c1fdcc4cd8ee4500f5ee8742beAnders Carlsson // <nested-name> ::= N [<CV-qualifiers>] <template-prefix> <template-args> E 1195e45117b945a0d8c1fdcc4cd8ee4500f5ee8742beAnders Carlsson 11967624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson Out << 'N'; 11973c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 1198e45117b945a0d8c1fdcc4cd8ee4500f5ee8742beAnders Carlsson mangleTemplatePrefix(TD); 1199d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola TemplateParameterList *TemplateParameters = TD->getTemplateParameters(); 1200d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangleTemplateArgs(*TemplateParameters, TemplateArgs, NumTemplateArgs); 12013c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 12027624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson Out << 'E'; 12037624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson} 12047624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson 12051b42c794481f6f958267e4ba913d74fef43161f6Anders Carlssonvoid CXXNameMangler::mangleLocalName(const NamedDecl *ND) { 12061b42c794481f6f958267e4ba913d74fef43161f6Anders Carlsson // <local-name> := Z <function encoding> E <entity name> [<discriminator>] 12071b42c794481f6f958267e4ba913d74fef43161f6Anders Carlsson // := Z <function encoding> E s [<discriminator>] 12081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // <discriminator> := _ <non-negative number> 1209570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian const DeclContext *DC = ND->getDeclContext(); 12108805fe800e30d6597d8c900f590b74567873be78Fariborz Jahanian if (isa<ObjCMethodDecl>(DC) && isa<FunctionDecl>(ND)) { 12118805fe800e30d6597d8c900f590b74567873be78Fariborz Jahanian // Don't add objc method name mangling to locally declared function 12128805fe800e30d6597d8c900f590b74567873be78Fariborz Jahanian mangleUnqualifiedName(ND); 12138805fe800e30d6597d8c900f590b74567873be78Fariborz Jahanian return; 12148805fe800e30d6597d8c900f590b74567873be78Fariborz Jahanian } 12158805fe800e30d6597d8c900f590b74567873be78Fariborz Jahanian 12161b42c794481f6f958267e4ba913d74fef43161f6Anders Carlsson Out << 'Z'; 1217193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 1218685b1d9e0d019c4ca2a2742cca287367af3d01e6Charles Davis if (const ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(DC)) { 1219685b1d9e0d019c4ca2a2742cca287367af3d01e6Charles Davis mangleObjCMethodName(MD); 122082b7d7bc723051d8db4e21883e9072fe3ad99305John McCall } else if (const CXXRecordDecl *RD = GetLocalClassDecl(ND)) { 122182b7d7bc723051d8db4e21883e9072fe3ad99305John McCall mangleFunctionEncoding(cast<FunctionDecl>(RD->getDeclContext())); 1222570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian Out << 'E'; 1223193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 122482b7d7bc723051d8db4e21883e9072fe3ad99305John McCall // Mangle the name relative to the closest enclosing function. 122582b7d7bc723051d8db4e21883e9072fe3ad99305John McCall if (ND == RD) // equality ok because RD derived from ND above 122682b7d7bc723051d8db4e21883e9072fe3ad99305John McCall mangleUnqualifiedName(ND); 122782b7d7bc723051d8db4e21883e9072fe3ad99305John McCall else 122882b7d7bc723051d8db4e21883e9072fe3ad99305John McCall mangleNestedName(ND, DC, true /*NoFunction*/); 122982b7d7bc723051d8db4e21883e9072fe3ad99305John McCall 12304819ac44c0e5222ebfe8e199c51f653f52177336Fariborz Jahanian unsigned disc; 123182b7d7bc723051d8db4e21883e9072fe3ad99305John McCall if (Context.getNextDiscriminator(RD, disc)) { 12324819ac44c0e5222ebfe8e199c51f653f52177336Fariborz Jahanian if (disc < 10) 12334819ac44c0e5222ebfe8e199c51f653f52177336Fariborz Jahanian Out << '_' << disc; 1234193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam else 12354819ac44c0e5222ebfe8e199c51f653f52177336Fariborz Jahanian Out << "__" << disc << '_'; 12364819ac44c0e5222ebfe8e199c51f653f52177336Fariborz Jahanian } 1237570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian 1238570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian return; 1239570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian } 1240193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam else 1241570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian mangleFunctionEncoding(cast<FunctionDecl>(DC)); 12427b06f6c20e124afa4d1fde85b1dd721462f2d912Anders Carlsson 12431b42c794481f6f958267e4ba913d74fef43161f6Anders Carlsson Out << 'E'; 12446f9f25dfc7bf9cc1ab1282d6d7e9cf7916d8a09cEli Friedman mangleUnqualifiedName(ND); 12451b42c794481f6f958267e4ba913d74fef43161f6Anders Carlsson} 12461b42c794481f6f958267e4ba913d74fef43161f6Anders Carlsson 1247a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCallvoid CXXNameMangler::manglePrefix(NestedNameSpecifier *qualifier) { 1248a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall switch (qualifier->getKind()) { 1249a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall case NestedNameSpecifier::Global: 1250a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // nothing 1251a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall return; 1252a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 1253a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall case NestedNameSpecifier::Namespace: 1254a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleName(qualifier->getAsNamespace()); 1255a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall return; 1256a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 1257a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall case NestedNameSpecifier::NamespaceAlias: 1258a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleName(qualifier->getAsNamespaceAlias()->getNamespace()); 1259a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall return; 1260a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 1261a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall case NestedNameSpecifier::TypeSpec: 1262a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall case NestedNameSpecifier::TypeSpecWithTemplate: 12634f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall manglePrefix(QualType(qualifier->getAsType(), 0)); 1264a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall return; 1265a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 1266a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall case NestedNameSpecifier::Identifier: 1267a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // Member expressions can have these without prefixes, but that 1268a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // should end up in mangleUnresolvedPrefix instead. 1269a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall assert(qualifier->getPrefix()); 1270a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall manglePrefix(qualifier->getPrefix()); 1271a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 1272a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleSourceName(qualifier->getAsIdentifier()); 1273a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall return; 1274a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall } 1275a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 1276a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall llvm_unreachable("unexpected nested name specifier"); 1277a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall} 1278a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall 1279570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanianvoid CXXNameMangler::manglePrefix(const DeclContext *DC, bool NoFunction) { 12805f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // <prefix> ::= <prefix> <unqualified-name> 12815f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= <template-prefix> <template-args> 12825f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= <template-param> 12835f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= # empty 12845f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= <substitution> 12856862fc720b8e35ee4408822b2390020f263646b2Anders Carlsson 1286add28829c7a8d3c5da9ae140f18d3c9ad2d8b599Anders Carlsson while (isa<LinkageSpecDecl>(DC)) 1287add28829c7a8d3c5da9ae140f18d3c9ad2d8b599Anders Carlsson DC = DC->getParent(); 12883c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 12899263e91e2e91aaf0eb72488f2a52648c086bef35Anders Carlsson if (DC->isTranslationUnit()) 12909263e91e2e91aaf0eb72488f2a52648c086bef35Anders Carlsson return; 12913c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 129235415f5132f70ad5097a3514ab84251e10db3664Douglas Gregor if (const BlockDecl *Block = dyn_cast<BlockDecl>(DC)) { 129335415f5132f70ad5097a3514ab84251e10db3664Douglas Gregor manglePrefix(DC->getParent(), NoFunction); 1294f7ccbad5d9949e7ddd1cbef43d482553b811e026Dylan Noblesmith SmallString<64> Name; 1295c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola llvm::raw_svector_ostream NameStream(Name); 1296c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola Context.mangleBlock(Block, NameStream); 1297c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola NameStream.flush(); 129835415f5132f70ad5097a3514ab84251e10db3664Douglas Gregor Out << Name.size() << Name; 129935415f5132f70ad5097a3514ab84251e10db3664Douglas Gregor return; 130035415f5132f70ad5097a3514ab84251e10db3664Douglas Gregor } 130135415f5132f70ad5097a3514ab84251e10db3664Douglas Gregor 13026862fc720b8e35ee4408822b2390020f263646b2Anders Carlsson if (mangleSubstitution(cast<NamedDecl>(DC))) 13036862fc720b8e35ee4408822b2390020f263646b2Anders Carlsson return; 13047482e247163978792654ca1a99913e19dd507e0aAnders Carlsson 13052ee3fca27ab8e6254586c5b42efb086df4bf76acAnders Carlsson // Check if we have a template. 13062ee3fca27ab8e6254586c5b42efb086df4bf76acAnders Carlsson const TemplateArgumentList *TemplateArgs = 0; 13073c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar if (const TemplateDecl *TD = isTemplate(cast<NamedDecl>(DC), TemplateArgs)) { 13082ee3fca27ab8e6254586c5b42efb086df4bf76acAnders Carlsson mangleTemplatePrefix(TD); 1309d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola TemplateParameterList *TemplateParameters = TD->getTemplateParameters(); 1310d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangleTemplateArgs(*TemplateParameters, *TemplateArgs); 1311570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian } 131235415f5132f70ad5097a3514ab84251e10db3664Douglas Gregor else if(NoFunction && (isa<FunctionDecl>(DC) || isa<ObjCMethodDecl>(DC))) 1313570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian return; 131435415f5132f70ad5097a3514ab84251e10db3664Douglas Gregor else if (const ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(DC)) 131535415f5132f70ad5097a3514ab84251e10db3664Douglas Gregor mangleObjCMethodName(Method); 1316570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian else { 1317570585307ef1e33490883b26b807cd2a5f88e99dFariborz Jahanian manglePrefix(DC->getParent(), NoFunction); 13182ee3fca27ab8e6254586c5b42efb086df4bf76acAnders Carlsson mangleUnqualifiedName(cast<NamedDecl>(DC)); 13192ee3fca27ab8e6254586c5b42efb086df4bf76acAnders Carlsson } 13203c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 13216862fc720b8e35ee4408822b2390020f263646b2Anders Carlsson addSubstitution(cast<NamedDecl>(DC)); 13225f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 13235f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 132420f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregorvoid CXXNameMangler::mangleTemplatePrefix(TemplateName Template) { 132520f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor // <template-prefix> ::= <prefix> <template unqualified-name> 132620f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor // ::= <template-param> 132720f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor // ::= <substitution> 132820f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor if (TemplateDecl *TD = Template.getAsTemplateDecl()) 132920f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor return mangleTemplatePrefix(TD); 133020f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor 133120f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor if (QualifiedTemplateName *Qualified = Template.getAsQualifiedTemplateName()) 1332a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall manglePrefix(Qualified->getQualifier()); 1333c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 133420f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor if (OverloadedTemplateStorage *Overloaded 133520f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor = Template.getAsOverloadedTemplate()) { 1336c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt mangleUnqualifiedName(0, (*Overloaded->begin())->getDeclName(), 133720f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor UnknownArity); 133820f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor return; 133920f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor } 1340c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 134120f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor DependentTemplateName *Dependent = Template.getAsDependentTemplateName(); 134220f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor assert(Dependent && "Unknown template name kind?"); 1343a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall manglePrefix(Dependent->getQualifier()); 13441e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor mangleUnscopedTemplateName(Template); 134520f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor} 134620f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor 13470fa6df440023a95d8b47c79111e8613fc29f723bAnders Carlssonvoid CXXNameMangler::mangleTemplatePrefix(const TemplateDecl *ND) { 13487482e247163978792654ca1a99913e19dd507e0aAnders Carlsson // <template-prefix> ::= <prefix> <template unqualified-name> 13497482e247163978792654ca1a99913e19dd507e0aAnders Carlsson // ::= <template-param> 13507482e247163978792654ca1a99913e19dd507e0aAnders Carlsson // ::= <substitution> 135132fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor // <template-template-param> ::= <template-param> 135232fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor // <substitution> 13537482e247163978792654ca1a99913e19dd507e0aAnders Carlsson 1354aeb85374e92619b8e4ce92ac6e30756b5053a137Anders Carlsson if (mangleSubstitution(ND)) 1355aeb85374e92619b8e4ce92ac6e30756b5053a137Anders Carlsson return; 13563c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 135732fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor // <template-template-param> ::= <template-param> 135832fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor if (const TemplateTemplateParmDecl *TTP 135932fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor = dyn_cast<TemplateTemplateParmDecl>(ND)) { 136032fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor mangleTemplateParameter(TTP->getIndex()); 136132fb4e1fd1cbd2ff006cc0e06c997e4eea2f0e28Douglas Gregor return; 1362193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam } 13633c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 1364aa73ab1bd037419852eb4d4fb3ddf8fe2a2a4e5bAnders Carlsson manglePrefix(ND->getDeclContext()); 13651668f2062b237ddb137f5d16388b3dea49651f85Anders Carlsson mangleUnqualifiedName(ND->getTemplatedDecl()); 1366aeb85374e92619b8e4ce92ac6e30756b5053a137Anders Carlsson addSubstitution(ND); 13677482e247163978792654ca1a99913e19dd507e0aAnders Carlsson} 13687482e247163978792654ca1a99913e19dd507e0aAnders Carlsson 1369b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall/// Mangles a template name under the production <type>. Required for 1370b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall/// template template arguments. 1371b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall/// <type> ::= <class-enum-type> 1372b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall/// ::= <template-param> 1373b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall/// ::= <substitution> 1374b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCallvoid CXXNameMangler::mangleType(TemplateName TN) { 1375b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall if (mangleSubstitution(TN)) 1376b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall return; 1377b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall 1378b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall TemplateDecl *TD = 0; 1379b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall 1380b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall switch (TN.getKind()) { 1381b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall case TemplateName::QualifiedTemplate: 1382b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall TD = TN.getAsQualifiedTemplateName()->getTemplateDecl(); 1383b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall goto HaveDecl; 1384b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall 1385b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall case TemplateName::Template: 1386b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall TD = TN.getAsTemplateDecl(); 1387b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall goto HaveDecl; 1388b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall 1389b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall HaveDecl: 1390b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall if (isa<TemplateTemplateParmDecl>(TD)) 1391b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall mangleTemplateParameter(cast<TemplateTemplateParmDecl>(TD)->getIndex()); 1392b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall else 1393b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall mangleName(TD); 1394b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall break; 1395b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall 1396b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall case TemplateName::OverloadedTemplate: 1397b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall llvm_unreachable("can't mangle an overloaded template name as a <type>"); 1398b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall 1399b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall case TemplateName::DependentTemplate: { 1400b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall const DependentTemplateName *Dependent = TN.getAsDependentTemplateName(); 1401b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall assert(Dependent->isIdentifier()); 1402b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall 1403b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall // <class-enum-type> ::= <name> 1404b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall // <name> ::= <nested-name> 1405a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleUnresolvedPrefix(Dependent->getQualifier(), 0); 1406b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall mangleSourceName(Dependent->getIdentifier()); 1407b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall break; 1408b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall } 1409b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall 1410b44e0cf937baf99578b2a5bdf5066c730247d424John McCall case TemplateName::SubstTemplateTemplateParm: { 1411b44e0cf937baf99578b2a5bdf5066c730247d424John McCall // Substituted template parameters are mangled as the substituted 1412b44e0cf937baf99578b2a5bdf5066c730247d424John McCall // template. This will check for the substitution twice, which is 1413b44e0cf937baf99578b2a5bdf5066c730247d424John McCall // fine, but we have to return early so that we don't try to *add* 1414b44e0cf937baf99578b2a5bdf5066c730247d424John McCall // the substitution twice. 1415b44e0cf937baf99578b2a5bdf5066c730247d424John McCall SubstTemplateTemplateParmStorage *subst 1416b44e0cf937baf99578b2a5bdf5066c730247d424John McCall = TN.getAsSubstTemplateTemplateParm(); 1417b44e0cf937baf99578b2a5bdf5066c730247d424John McCall mangleType(subst->getReplacement()); 1418b44e0cf937baf99578b2a5bdf5066c730247d424John McCall return; 1419b44e0cf937baf99578b2a5bdf5066c730247d424John McCall } 1420146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 14211aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor case TemplateName::SubstTemplateTemplateParmPack: { 142268a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // FIXME: not clear how to mangle this! 142368a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // template <template <class> class T...> class A { 142468a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // template <template <class> class U...> void foo(B<T,U> x...); 142568a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // }; 142668a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall Out << "_SUBSTPACK_"; 14271aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor break; 14281aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 1429b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall } 1430b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall 1431b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall addSubstitution(TN); 1432b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall} 1433b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall 14341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 14355f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas GregorCXXNameMangler::mangleOperatorName(OverloadedOperatorKind OO, unsigned Arity) { 14365f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor switch (OO) { 14373201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // <operator-name> ::= nw # new 14385f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_New: Out << "nw"; break; 14395f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= na # new[] 14405f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Array_New: Out << "na"; break; 14413201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= dl # delete 14425f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Delete: Out << "dl"; break; 14433201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= da # delete[] 14445f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Array_Delete: Out << "da"; break; 14455f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= ps # + (unary) 14465e1e89b8af283af34943a477dc6378f1a641df26John McCall // ::= pl # + (binary or unknown) 1447193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam case OO_Plus: 14488257d411a759b91921681c3b7f79e50e0d9252dbAnders Carlsson Out << (Arity == 1? "ps" : "pl"); break; 14493201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= ng # - (unary) 14505e1e89b8af283af34943a477dc6378f1a641df26John McCall // ::= mi # - (binary or unknown) 1451193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam case OO_Minus: 14528257d411a759b91921681c3b7f79e50e0d9252dbAnders Carlsson Out << (Arity == 1? "ng" : "mi"); break; 14533201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= ad # & (unary) 14545e1e89b8af283af34943a477dc6378f1a641df26John McCall // ::= an # & (binary or unknown) 1455193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam case OO_Amp: 14568257d411a759b91921681c3b7f79e50e0d9252dbAnders Carlsson Out << (Arity == 1? "ad" : "an"); break; 14573201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= de # * (unary) 14585e1e89b8af283af34943a477dc6378f1a641df26John McCall // ::= ml # * (binary or unknown) 1459193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam case OO_Star: 14605e1e89b8af283af34943a477dc6378f1a641df26John McCall // Use binary when unknown. 14618257d411a759b91921681c3b7f79e50e0d9252dbAnders Carlsson Out << (Arity == 1? "de" : "ml"); break; 14623201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= co # ~ 14635f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Tilde: Out << "co"; break; 14643201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= dv # / 14655f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Slash: Out << "dv"; break; 14663201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= rm # % 14675f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Percent: Out << "rm"; break; 14683201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= or # | 14693201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_Pipe: Out << "or"; break; 14703201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= eo # ^ 14715f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Caret: Out << "eo"; break; 14723201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= aS # = 14735f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Equal: Out << "aS"; break; 14743201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= pL # += 14755f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_PlusEqual: Out << "pL"; break; 14763201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= mI # -= 14775f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_MinusEqual: Out << "mI"; break; 14783201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= mL # *= 14795f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_StarEqual: Out << "mL"; break; 14803201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= dV # /= 14815f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_SlashEqual: Out << "dV"; break; 14823201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= rM # %= 14833201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_PercentEqual: Out << "rM"; break; 14843201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= aN # &= 14853201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_AmpEqual: Out << "aN"; break; 14863201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= oR # |= 14873201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_PipeEqual: Out << "oR"; break; 14883201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= eO # ^= 14893201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_CaretEqual: Out << "eO"; break; 14903201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= ls # << 14915f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_LessLess: Out << "ls"; break; 14923201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= rs # >> 14933201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_GreaterGreater: Out << "rs"; break; 14943201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= lS # <<= 14953201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_LessLessEqual: Out << "lS"; break; 14963201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= rS # >>= 14973201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_GreaterGreaterEqual: Out << "rS"; break; 14985f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= eq # == 14995f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_EqualEqual: Out << "eq"; break; 15003201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= ne # != 15013201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_ExclaimEqual: Out << "ne"; break; 15023201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= lt # < 15035f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Less: Out << "lt"; break; 15043201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= gt # > 15055f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Greater: Out << "gt"; break; 15063201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= le # <= 15075f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_LessEqual: Out << "le"; break; 15083201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= ge # >= 15095f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_GreaterEqual: Out << "ge"; break; 15103201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= nt # ! 15115f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Exclaim: Out << "nt"; break; 15123201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= aa # && 15135f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_AmpAmp: Out << "aa"; break; 15143201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= oo # || 15153201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_PipePipe: Out << "oo"; break; 15163201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= pp # ++ 15173201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_PlusPlus: Out << "pp"; break; 15183201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= mm # -- 15195f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_MinusMinus: Out << "mm"; break; 15203201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= cm # , 15213201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_Comma: Out << "cm"; break; 15223201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= pm # ->* 15235f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_ArrowStar: Out << "pm"; break; 15243201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= pt # -> 15255f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Arrow: Out << "pt"; break; 15263201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= cl # () 15275f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Call: Out << "cl"; break; 15283201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl // ::= ix # [] 15295f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case OO_Subscript: Out << "ix"; break; 1530e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson 1531e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson // ::= qu # ? 1532e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson // The conditional operator can't be overloaded, but we still handle it when 1533e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson // mangling expressions. 1534e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson case OO_Conditional: Out << "qu"; break; 15355f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 15363201f6beec688ab9fe8750527e28f52d5420e22dSebastian Redl case OO_None: 15375f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case NUM_OVERLOADED_OPERATORS: 1538b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Not an overloaded operator"); 15395f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor } 15405f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 15415f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 15420953e767ff7817f97b3ab20896b229891eeff45bJohn McCallvoid CXXNameMangler::mangleQualifiers(Qualifiers Quals) { 15431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // <CV-qualifiers> ::= [r] [V] [K] # restrict (C99), volatile, const 15440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Quals.hasRestrict()) 15455f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Out << 'r'; 15460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Quals.hasVolatile()) 15475f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Out << 'V'; 15480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (Quals.hasConst()) 15495f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Out << 'K'; 15500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 155156079f7dde1d9c9e16207feffa3f1f888a78ab69Douglas Gregor if (Quals.hasAddressSpace()) { 155256079f7dde1d9c9e16207feffa3f1f888a78ab69Douglas Gregor // Extension: 155356079f7dde1d9c9e16207feffa3f1f888a78ab69Douglas Gregor // 155456079f7dde1d9c9e16207feffa3f1f888a78ab69Douglas Gregor // <type> ::= U <address-space-number> 155556079f7dde1d9c9e16207feffa3f1f888a78ab69Douglas Gregor // 155656079f7dde1d9c9e16207feffa3f1f888a78ab69Douglas Gregor // where <address-space-number> is a source name consisting of 'AS' 155756079f7dde1d9c9e16207feffa3f1f888a78ab69Douglas Gregor // followed by the address space <number>. 1558f7ccbad5d9949e7ddd1cbef43d482553b811e026Dylan Noblesmith SmallString<64> ASString; 155956079f7dde1d9c9e16207feffa3f1f888a78ab69Douglas Gregor ASString = "AS" + llvm::utostr_32(Quals.getAddressSpace()); 156056079f7dde1d9c9e16207feffa3f1f888a78ab69Douglas Gregor Out << 'U' << ASString.size() << ASString; 156156079f7dde1d9c9e16207feffa3f1f888a78ab69Douglas Gregor } 156256079f7dde1d9c9e16207feffa3f1f888a78ab69Douglas Gregor 15635f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef LifetimeName; 1564f85e193739c953358c865005855253af4f68a497John McCall switch (Quals.getObjCLifetime()) { 1565f85e193739c953358c865005855253af4f68a497John McCall // Objective-C ARC Extension: 1566f85e193739c953358c865005855253af4f68a497John McCall // 1567f85e193739c953358c865005855253af4f68a497John McCall // <type> ::= U "__strong" 1568f85e193739c953358c865005855253af4f68a497John McCall // <type> ::= U "__weak" 1569f85e193739c953358c865005855253af4f68a497John McCall // <type> ::= U "__autoreleasing" 1570f85e193739c953358c865005855253af4f68a497John McCall case Qualifiers::OCL_None: 1571f85e193739c953358c865005855253af4f68a497John McCall break; 1572f85e193739c953358c865005855253af4f68a497John McCall 1573f85e193739c953358c865005855253af4f68a497John McCall case Qualifiers::OCL_Weak: 1574f85e193739c953358c865005855253af4f68a497John McCall LifetimeName = "__weak"; 1575f85e193739c953358c865005855253af4f68a497John McCall break; 1576f85e193739c953358c865005855253af4f68a497John McCall 1577f85e193739c953358c865005855253af4f68a497John McCall case Qualifiers::OCL_Strong: 1578f85e193739c953358c865005855253af4f68a497John McCall LifetimeName = "__strong"; 1579f85e193739c953358c865005855253af4f68a497John McCall break; 1580f85e193739c953358c865005855253af4f68a497John McCall 1581f85e193739c953358c865005855253af4f68a497John McCall case Qualifiers::OCL_Autoreleasing: 1582f85e193739c953358c865005855253af4f68a497John McCall LifetimeName = "__autoreleasing"; 1583f85e193739c953358c865005855253af4f68a497John McCall break; 1584f85e193739c953358c865005855253af4f68a497John McCall 1585f85e193739c953358c865005855253af4f68a497John McCall case Qualifiers::OCL_ExplicitNone: 1586c22d699d3aa1d7fbd32c4e35cf75abdca94bb5efDouglas Gregor // The __unsafe_unretained qualifier is *not* mangled, so that 1587c22d699d3aa1d7fbd32c4e35cf75abdca94bb5efDouglas Gregor // __unsafe_unretained types in ARC produce the same manglings as the 1588c22d699d3aa1d7fbd32c4e35cf75abdca94bb5efDouglas Gregor // equivalent (but, naturally, unqualified) types in non-ARC, providing 1589c22d699d3aa1d7fbd32c4e35cf75abdca94bb5efDouglas Gregor // better ABI compatibility. 1590c22d699d3aa1d7fbd32c4e35cf75abdca94bb5efDouglas Gregor // 1591c22d699d3aa1d7fbd32c4e35cf75abdca94bb5efDouglas Gregor // It's safe to do this because unqualified 'id' won't show up 1592c22d699d3aa1d7fbd32c4e35cf75abdca94bb5efDouglas Gregor // in any type signatures that need to be mangled. 1593f85e193739c953358c865005855253af4f68a497John McCall break; 1594f85e193739c953358c865005855253af4f68a497John McCall } 1595f85e193739c953358c865005855253af4f68a497John McCall if (!LifetimeName.empty()) 1596f85e193739c953358c865005855253af4f68a497John McCall Out << 'U' << LifetimeName.size() << LifetimeName; 15975f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 15985f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 15990a9a6d68979619a621fedc5089674487f720f765Douglas Gregorvoid CXXNameMangler::mangleRefQualifier(RefQualifierKind RefQualifier) { 16000a9a6d68979619a621fedc5089674487f720f765Douglas Gregor // <ref-qualifier> ::= R # lvalue reference 16010a9a6d68979619a621fedc5089674487f720f765Douglas Gregor // ::= O # rvalue-reference 16020a9a6d68979619a621fedc5089674487f720f765Douglas Gregor // Proposal to Itanium C++ ABI list on 1/26/11 16030a9a6d68979619a621fedc5089674487f720f765Douglas Gregor switch (RefQualifier) { 16040a9a6d68979619a621fedc5089674487f720f765Douglas Gregor case RQ_None: 16050a9a6d68979619a621fedc5089674487f720f765Douglas Gregor break; 16060a9a6d68979619a621fedc5089674487f720f765Douglas Gregor 16070a9a6d68979619a621fedc5089674487f720f765Douglas Gregor case RQ_LValue: 16080a9a6d68979619a621fedc5089674487f720f765Douglas Gregor Out << 'R'; 16090a9a6d68979619a621fedc5089674487f720f765Douglas Gregor break; 16100a9a6d68979619a621fedc5089674487f720f765Douglas Gregor 16110a9a6d68979619a621fedc5089674487f720f765Douglas Gregor case RQ_RValue: 16120a9a6d68979619a621fedc5089674487f720f765Douglas Gregor Out << 'O'; 16130a9a6d68979619a621fedc5089674487f720f765Douglas Gregor break; 16140a9a6d68979619a621fedc5089674487f720f765Douglas Gregor } 16150a9a6d68979619a621fedc5089674487f720f765Douglas Gregor} 16160a9a6d68979619a621fedc5089674487f720f765Douglas Gregor 16177b06f6c20e124afa4d1fde85b1dd721462f2d912Anders Carlssonvoid CXXNameMangler::mangleObjCMethodName(const ObjCMethodDecl *MD) { 1618f0be979bddb8baa28e77693a3dc931e487b2a9f2Rafael Espindola Context.mangleObjCMethodName(MD, Out); 16197b06f6c20e124afa4d1fde85b1dd721462f2d912Anders Carlsson} 16207b06f6c20e124afa4d1fde85b1dd721462f2d912Anders Carlsson 1621f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregorvoid CXXNameMangler::mangleType(QualType T) { 1622f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // If our type is instantiation-dependent but not dependent, we mangle 1623f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // it as it was written in the source, removing any top-level sugar. 1624f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // Otherwise, use the canonical type. 1625f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // 1626f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // FIXME: This is an approximation of the instantiation-dependent name 1627f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // mangling rules, since we should really be using the type as written and 1628f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // augmented via semantic analysis (i.e., with implicit conversions and 1629f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // default template arguments) for any instantiation-dependent type. 1630f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // Unfortunately, that requires several changes to our AST: 1631f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // - Instantiation-dependent TemplateSpecializationTypes will need to be 1632f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // uniqued, so that we can handle substitutions properly 1633f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // - Default template arguments will need to be represented in the 1634f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // TemplateSpecializationType, since they need to be mangled even though 1635f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // they aren't written. 1636f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // - Conversions on non-type template arguments need to be expressed, since 1637f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // they can affect the mangling of sizeof/alignof. 1638f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor if (!T->isInstantiationDependentType() || T->isDependentType()) 1639f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor T = T.getCanonicalType(); 1640f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor else { 1641f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // Desugar any types that are purely sugar. 1642f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor do { 1643f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // Don't desugar through template specialization types that aren't 1644f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // type aliases. We need to mangle the template arguments as written. 1645f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor if (const TemplateSpecializationType *TST 1646f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor = dyn_cast<TemplateSpecializationType>(T)) 1647f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor if (!TST->isTypeAlias()) 1648f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor break; 1649f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor 1650f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor QualType Desugared 1651f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor = T.getSingleStepDesugaredType(Context.getASTContext()); 1652f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor if (Desugared == T) 1653f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor break; 1654f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor 1655f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor T = Desugared; 1656f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor } while (true); 1657f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor } 1658f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor SplitQualType split = T.split(); 1659b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall Qualifiers quals = split.second; 1660b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall const Type *ty = split.first; 1661b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall 1662f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor bool isSubstitutable = quals || !isa<BuiltinType>(T); 1663f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor if (isSubstitutable && mangleSubstitution(T)) 16647696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson return; 16657696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson 1666b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall // If we're mangling a qualified array type, push the qualifiers to 1667b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall // the element type. 1668f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor if (quals && isa<ArrayType>(T)) { 1669f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor ty = Context.getASTContext().getAsArrayType(T); 1670b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall quals = Qualifiers(); 1671b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall 1672f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // Note that we don't update T: we want to add the 1673f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // substitution at the original type. 1674b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall } 1675b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall 1676b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall if (quals) { 1677b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall mangleQualifiers(quals); 16780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Recurse: even if the qualified type isn't yet substitutable, 16790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // the unqualified type might be. 1680b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall mangleType(QualType(ty, 0)); 16817696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson } else { 1682b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall switch (ty->getTypeClass()) { 1683efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall#define ABSTRACT_TYPE(CLASS, PARENT) 1684efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall#define NON_CANONICAL_TYPE(CLASS, PARENT) \ 16857696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson case Type::CLASS: \ 16869f61aa9e280adea9fbf3365f0e4f6ed568c9885aJeffrey Yasskin llvm_unreachable("can't mangle non-canonical type " #CLASS "Type"); \ 16877696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson return; 1688efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall#define TYPE(CLASS, PARENT) \ 16897696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson case Type::CLASS: \ 1690b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall mangleType(static_cast<const CLASS##Type*>(ty)); \ 16917696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson break; 1692efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall#include "clang/AST/TypeNodes.def" 16937696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson } 16944843e584b54460973b8445d38907bab0401ebb0cAnders Carlsson } 16957696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson 16967696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson // Add the substitution. 1697b47f74818094fabd8f150fb4d6d0fa8a6c52cde1John McCall if (isSubstitutable) 1698f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor addSubstitution(T); 16995f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 17005f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 17011b12a3bb4d4c0db74fc97be724beefec7366b460Douglas Gregorvoid CXXNameMangler::mangleNameOrStandardSubstitution(const NamedDecl *ND) { 17021b12a3bb4d4c0db74fc97be724beefec7366b460Douglas Gregor if (!mangleStandardSubstitution(ND)) 17031b12a3bb4d4c0db74fc97be724beefec7366b460Douglas Gregor mangleName(ND); 17041b12a3bb4d4c0db74fc97be724beefec7366b460Douglas Gregor} 17051b12a3bb4d4c0db74fc97be724beefec7366b460Douglas Gregor 17065f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregorvoid CXXNameMangler::mangleType(const BuiltinType *T) { 1707efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall // <type> ::= <builtin-type> 17085f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // <builtin-type> ::= v # void 17095f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= w # wchar_t 17105f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= b # bool 17115f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= c # char 17125f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= a # signed char 17135f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= h # unsigned char 17145f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= s # short 17155f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= t # unsigned short 17165f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= i # int 17175f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= j # unsigned int 17185f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= l # long 17195f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= m # unsigned long 17205f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= x # long long, __int64 17215f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= y # unsigned long long, __int64 17225f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= n # __int128 17235f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // UNSUPPORTED: ::= o # unsigned __int128 17245f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= f # float 17255f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= d # double 17265f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= e # long double, __float80 17275f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // UNSUPPORTED: ::= g # __float128 17285f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // UNSUPPORTED: ::= Dd # IEEE 754r decimal floating point (64 bits) 17295f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // UNSUPPORTED: ::= De # IEEE 754r decimal floating point (128 bits) 17305f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // UNSUPPORTED: ::= Df # IEEE 754r decimal floating point (32 bits) 1731aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov // ::= Dh # IEEE 754r half-precision floating point (16 bits) 1732f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith // ::= Di # char32_t 1733f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith // ::= Ds # char16_t 1734e292368afa63337f5ff64c967857a898d6f868daAnders Carlsson // ::= Dn # std::nullptr_t (i.e., decltype(nullptr)) 17355f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // ::= u <source-name> # vendor extended type 17365f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor switch (T->getKind()) { 17375f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::Void: Out << 'v'; break; 17385f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::Bool: Out << 'b'; break; 17395f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::Char_U: case BuiltinType::Char_S: Out << 'c'; break; 17405f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::UChar: Out << 'h'; break; 17415f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::UShort: Out << 't'; break; 17425f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::UInt: Out << 'j'; break; 17435f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::ULong: Out << 'm'; break; 17445f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::ULongLong: Out << 'y'; break; 17452df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: Out << 'o'; break; 17465f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::SChar: Out << 'a'; break; 17473f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 17483f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: Out << 'w'; break; 1749f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: Out << "Ds"; break; 1750f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: Out << "Di"; break; 17515f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::Short: Out << 's'; break; 17525f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::Int: Out << 'i'; break; 17535f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::Long: Out << 'l'; break; 17545f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::LongLong: Out << 'x'; break; 17552df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: Out << 'n'; break; 1756aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov case BuiltinType::Half: Out << "Dh"; break; 17575f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::Float: Out << 'f'; break; 17585f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::Double: Out << 'd'; break; 17595f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::LongDouble: Out << 'e'; break; 1760e292368afa63337f5ff64c967857a898d6f868daAnders Carlsson case BuiltinType::NullPtr: Out << "Dn"; break; 17615f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 1762e0a22d06888c13989b3f72db319f1d498bf69153John McCall#define BUILTIN_TYPE(Id, SingletonId) 1763e0a22d06888c13989b3f72db319f1d498bf69153John McCall#define PLACEHOLDER_TYPE(Id, SingletonId) \ 1764e0a22d06888c13989b3f72db319f1d498bf69153John McCall case BuiltinType::Id: 1765e0a22d06888c13989b3f72db319f1d498bf69153John McCall#include "clang/AST/BuiltinTypes.def" 17665f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor case BuiltinType::Dependent: 1767fb44de956f27875def889482b5393475060392afJohn McCall llvm_unreachable("mangling a placeholder type"); 17689533a7fdb8397421f3be52e879442460a87389f6Steve Naroff case BuiltinType::ObjCId: Out << "11objc_object"; break; 17699533a7fdb8397421f3be52e879442460a87389f6Steve Naroff case BuiltinType::ObjCClass: Out << "10objc_class"; break; 177013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian case BuiltinType::ObjCSel: Out << "13objc_selector"; break; 17715f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor } 17725f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 17735f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 1774efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <type> ::= <function-type> 1775efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <function-type> ::= F [Y] <bare-function-type> E 1776efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const FunctionProtoType *T) { 17775f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Out << 'F'; 1778f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // FIXME: We don't have enough information in the AST to produce the 'Y' 1779f5408fe484495ee4efbdd709c8a2c2fdbbbdb328Mike Stump // encoding for extern "C" function types. 17805f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor mangleBareFunctionType(T, /*MangleReturnType=*/true); 17815f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Out << 'E'; 17825f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 1783efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const FunctionNoProtoType *T) { 17849f61aa9e280adea9fbf3365f0e4f6ed568c9885aJeffrey Yasskin llvm_unreachable("Can't mangle K&R function prototypes"); 1785efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 17865f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregorvoid CXXNameMangler::mangleBareFunctionType(const FunctionType *T, 17875f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor bool MangleReturnType) { 1788efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall // We should never be mangling something without a prototype. 1789efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall const FunctionProtoType *Proto = cast<FunctionProtoType>(T); 1790efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall 1791fb44de956f27875def889482b5393475060392afJohn McCall // Record that we're in a function type. See mangleFunctionParam 1792fb44de956f27875def889482b5393475060392afJohn McCall // for details on what we're trying to achieve here. 1793fb44de956f27875def889482b5393475060392afJohn McCall FunctionTypeDepthState saved = FunctionTypeDepth.push(); 1794fb44de956f27875def889482b5393475060392afJohn McCall 17955f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor // <bare-function-type> ::= <signature type>+ 1796fb44de956f27875def889482b5393475060392afJohn McCall if (MangleReturnType) { 1797fb44de956f27875def889482b5393475060392afJohn McCall FunctionTypeDepth.enterResultType(); 1798efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(Proto->getResultType()); 1799fb44de956f27875def889482b5393475060392afJohn McCall FunctionTypeDepth.leaveResultType(); 1800fb44de956f27875def889482b5393475060392afJohn McCall } 18015f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 180293296683a70eed2fae0b694748ed4cc51c53aef4Anders Carlsson if (Proto->getNumArgs() == 0 && !Proto->isVariadic()) { 1803a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // <builtin-type> ::= v # void 1804c6c91bc019ff7fa09f6570025ba011aad4c0d004Anders Carlsson Out << 'v'; 1805fb44de956f27875def889482b5393475060392afJohn McCall 1806fb44de956f27875def889482b5393475060392afJohn McCall FunctionTypeDepth.pop(saved); 1807c6c91bc019ff7fa09f6570025ba011aad4c0d004Anders Carlsson return; 1808c6c91bc019ff7fa09f6570025ba011aad4c0d004Anders Carlsson } 18091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 181072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor for (FunctionProtoType::arg_type_iterator Arg = Proto->arg_type_begin(), 18111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ArgEnd = Proto->arg_type_end(); 18125f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Arg != ArgEnd; ++Arg) 181379e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor mangleType(Context.getASTContext().getSignatureParameterType(*Arg)); 1814219cc61b505960195d538052f0e629b387ad60caDouglas Gregor 1815fb44de956f27875def889482b5393475060392afJohn McCall FunctionTypeDepth.pop(saved); 1816fb44de956f27875def889482b5393475060392afJohn McCall 1817219cc61b505960195d538052f0e629b387ad60caDouglas Gregor // <builtin-type> ::= z # ellipsis 1818219cc61b505960195d538052f0e629b387ad60caDouglas Gregor if (Proto->isVariadic()) 1819219cc61b505960195d538052f0e629b387ad60caDouglas Gregor Out << 'z'; 18205f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 18215f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 1822efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <type> ::= <class-enum-type> 18231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// <class-enum-type> ::= <name> 1824ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid CXXNameMangler::mangleType(const UnresolvedUsingType *T) { 1825ed97649e9574b9d854fa4d6109c9333ae0993554John McCall mangleName(T->getDecl()); 1826ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 1827ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 1828ed97649e9574b9d854fa4d6109c9333ae0993554John McCall// <type> ::= <class-enum-type> 1829ed97649e9574b9d854fa4d6109c9333ae0993554John McCall// <class-enum-type> ::= <name> 1830efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const EnumType *T) { 1831efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(static_cast<const TagType*>(T)); 1832efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 1833efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const RecordType *T) { 1834efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(static_cast<const TagType*>(T)); 1835efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 18365f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregorvoid CXXNameMangler::mangleType(const TagType *T) { 1837ecb7e932e9274a0628477d17931a06b3b109024aEli Friedman mangleName(T->getDecl()); 18385f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 18395f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 1840efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <type> ::= <array-type> 1841efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <array-type> ::= A <positive dimension number> _ <element type> 1842efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// ::= A [<dimension expression>] _ <element type> 1843efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const ConstantArrayType *T) { 1844efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall Out << 'A' << T->getSize() << '_'; 1845efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(T->getElementType()); 1846efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 1847efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const VariableArrayType *T) { 18485f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Out << 'A'; 18497281d1fbea62a4549b045bb7dc434904f2b609d8Fariborz Jahanian // decayed vla types (size 0) will just be skipped. 18507281d1fbea62a4549b045bb7dc434904f2b609d8Fariborz Jahanian if (T->getSizeExpr()) 18517281d1fbea62a4549b045bb7dc434904f2b609d8Fariborz Jahanian mangleExpression(T->getSizeExpr()); 18525f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Out << '_'; 18535f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor mangleType(T->getElementType()); 18545f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 1855efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const DependentSizedArrayType *T) { 1856efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall Out << 'A'; 1857efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleExpression(T->getSizeExpr()); 1858efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall Out << '_'; 1859efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(T->getElementType()); 1860efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 1861efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const IncompleteArrayType *T) { 1862271b665c4e357809d245c1ab811f20bf1f0dfc1fNick Lewycky Out << "A_"; 1863efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(T->getElementType()); 1864efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 18655f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 1866efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <type> ::= <pointer-to-member-type> 1867efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <pointer-to-member-type> ::= M <class type> <member type> 18685f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregorvoid CXXNameMangler::mangleType(const MemberPointerType *T) { 18695f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor Out << 'M'; 18705f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor mangleType(QualType(T->getClass(), 0)); 18710e650017acdbbeb0c590e77bbea88c200ea1caefAnders Carlsson QualType PointeeType = T->getPointeeType(); 18720e650017acdbbeb0c590e77bbea88c200ea1caefAnders Carlsson if (const FunctionProtoType *FPT = dyn_cast<FunctionProtoType>(PointeeType)) { 18730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall mangleQualifiers(Qualifiers::fromCVRMask(FPT->getTypeQuals())); 18740a9a6d68979619a621fedc5089674487f720f765Douglas Gregor mangleRefQualifier(FPT->getRefQualifier()); 18750e650017acdbbeb0c590e77bbea88c200ea1caefAnders Carlsson mangleType(FPT); 18769d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson 18779d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // Itanium C++ ABI 5.1.8: 18789d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // 18799d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // The type of a non-static member function is considered to be different, 18809d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // for the purposes of substitution, from the type of a namespace-scope or 18819d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // static member function whose type appears similar. The types of two 18829d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // non-static member functions are considered to be different, for the 18839d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // purposes of substitution, if the functions are members of different 18849d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // classes. In other words, for the purposes of substitution, the class of 18859d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // which the function is a member is considered part of the type of 18869d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // function. 18879d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson 18889d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // We increment the SeqID here to emulate adding an entry to the 18899d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // substitution table. We can't actually add it because we don't want this 18909d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson // particular function type to be substituted. 18919d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson ++SeqID; 18921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else 18930e650017acdbbeb0c590e77bbea88c200ea1caefAnders Carlsson mangleType(PointeeType); 18945f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 18955f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 1896efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <type> ::= <template-param> 18975f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregorvoid CXXNameMangler::mangleType(const TemplateTypeParmType *T) { 18980ccdf8d62cba2ad730001f133b6cc4836c42da83Anders Carlsson mangleTemplateParameter(T->getIndex()); 18995f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 19005f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 1901c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor// <type> ::= <template-param> 1902c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregorvoid CXXNameMangler::mangleType(const SubstTemplateTypeParmPackType *T) { 190368a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // FIXME: not clear how to mangle this! 190468a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // template <class T...> class A { 190568a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // template <class U...> void foo(T(*)(U) x...); 190668a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // }; 190768a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall Out << "_SUBSTPACK_"; 1908c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor} 1909c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 1910efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <type> ::= P <type> # pointer-to 1911efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const PointerType *T) { 1912efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall Out << 'P'; 1913efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(T->getPointeeType()); 1914efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 1915efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const ObjCObjectPointerType *T) { 1916efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall Out << 'P'; 1917efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(T->getPointeeType()); 1918efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 1919efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall 1920efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <type> ::= R <type> # reference-to 1921efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const LValueReferenceType *T) { 1922efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall Out << 'R'; 1923efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(T->getPointeeType()); 1924efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 1925efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall 1926efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <type> ::= O <type> # rvalue reference-to (C++0x) 1927efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const RValueReferenceType *T) { 1928efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall Out << 'O'; 1929efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(T->getPointeeType()); 1930efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 1931efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall 1932efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// <type> ::= C <type> # complex pair (C 2000) 1933efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const ComplexType *T) { 1934efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall Out << 'C'; 1935efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(T->getElementType()); 1936efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 1937efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall 1938c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson// ARM's ABI for Neon vector types specifies that they should be mangled as 193957147a8615bca96e067975fe931baf5d741876a4Bob Wilson// if they are structs (to match ARM's initial implementation). The 194057147a8615bca96e067975fe931baf5d741876a4Bob Wilson// vector type must be one of the special types predefined by ARM. 194157147a8615bca96e067975fe931baf5d741876a4Bob Wilsonvoid CXXNameMangler::mangleNeonVectorType(const VectorType *T) { 1942c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson QualType EltType = T->getElementType(); 194357147a8615bca96e067975fe931baf5d741876a4Bob Wilson assert(EltType->isBuiltinType() && "Neon vector element not a BuiltinType"); 1944c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson const char *EltName = 0; 1945491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson if (T->getVectorKind() == VectorType::NeonPolyVector) { 1946491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson switch (cast<BuiltinType>(EltType)->getKind()) { 19474cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson case BuiltinType::SChar: EltName = "poly8_t"; break; 19484cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson case BuiltinType::Short: EltName = "poly16_t"; break; 194957147a8615bca96e067975fe931baf5d741876a4Bob Wilson default: llvm_unreachable("unexpected Neon polynomial vector element type"); 1950491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson } 1951491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson } else { 1952491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson switch (cast<BuiltinType>(EltType)->getKind()) { 19534cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson case BuiltinType::SChar: EltName = "int8_t"; break; 19544cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson case BuiltinType::UChar: EltName = "uint8_t"; break; 19554cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson case BuiltinType::Short: EltName = "int16_t"; break; 19564cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson case BuiltinType::UShort: EltName = "uint16_t"; break; 19574cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson case BuiltinType::Int: EltName = "int32_t"; break; 19584cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson case BuiltinType::UInt: EltName = "uint32_t"; break; 19594cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson case BuiltinType::LongLong: EltName = "int64_t"; break; 19604cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson case BuiltinType::ULongLong: EltName = "uint64_t"; break; 19614cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson case BuiltinType::Float: EltName = "float32_t"; break; 196257147a8615bca96e067975fe931baf5d741876a4Bob Wilson default: llvm_unreachable("unexpected Neon vector element type"); 1963491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson } 1964c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson } 1965c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson const char *BaseName = 0; 19664cfaa5d0675f248f7a30ef91f557cc4905d10b69Bob Wilson unsigned BitSize = (T->getNumElements() * 19673a7230218d37de975096280472fa55294024b728Bob Wilson getASTContext().getTypeSize(EltType)); 1968c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson if (BitSize == 64) 1969c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson BaseName = "__simd64_"; 197057147a8615bca96e067975fe931baf5d741876a4Bob Wilson else { 197157147a8615bca96e067975fe931baf5d741876a4Bob Wilson assert(BitSize == 128 && "Neon vector type not 64 or 128 bits"); 1972c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson BaseName = "__simd128_"; 197357147a8615bca96e067975fe931baf5d741876a4Bob Wilson } 1974c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson Out << strlen(BaseName) + strlen(EltName); 1975c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson Out << BaseName << EltName; 1976c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson} 1977c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson 1978efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall// GNU extension: vector types 1979788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner// <type> ::= <vector-type> 1980788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner// <vector-type> ::= Dv <positive dimension number> _ 1981788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner// <extended element type> 1982788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner// ::= Dv [<dimension expression>] _ <element type> 1983788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner// <extended element type> ::= <element type> 1984788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner// ::= p # AltiVec vector pixel 1985efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const VectorType *T) { 1986491328c90c00ecad6ad27fa0ab3cdf9195a4a820Bob Wilson if ((T->getVectorKind() == VectorType::NeonVector || 198757147a8615bca96e067975fe931baf5d741876a4Bob Wilson T->getVectorKind() == VectorType::NeonPolyVector)) { 198857147a8615bca96e067975fe931baf5d741876a4Bob Wilson mangleNeonVectorType(T); 1989c7df92db2d35e8bf7a585c4701dd95808e3e18c5Bob Wilson return; 199057147a8615bca96e067975fe931baf5d741876a4Bob Wilson } 19910e5f067da58e43aa9bdfd1317283b52d4beeb19aNick Lewycky Out << "Dv" << T->getNumElements() << '_'; 1992e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson if (T->getVectorKind() == VectorType::AltiVecPixel) 1993788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Out << 'p'; 1994e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson else if (T->getVectorKind() == VectorType::AltiVecBool) 1995788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Out << 'b'; 1996788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner else 1997788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner mangleType(T->getElementType()); 1998efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 1999efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const ExtVectorType *T) { 2000efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(static_cast<const VectorType*>(T)); 2001efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 2002efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const DependentSizedExtVectorType *T) { 20030e5f067da58e43aa9bdfd1317283b52d4beeb19aNick Lewycky Out << "Dv"; 20040e5f067da58e43aa9bdfd1317283b52d4beeb19aNick Lewycky mangleExpression(T->getSizeExpr()); 20050e5f067da58e43aa9bdfd1317283b52d4beeb19aNick Lewycky Out << '_'; 2006efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall mangleType(T->getElementType()); 2007efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 2008efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall 20097536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregorvoid CXXNameMangler::mangleType(const PackExpansionType *T) { 20104fc4866945de9b0f1f77a17557060f0ff959b0b1Douglas Gregor // <type> ::= Dp <type> # pack expansion (C++0x) 2011255c269f35928a8194fb591656c67ec4ebd846ebDouglas Gregor Out << "Dp"; 20127536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor mangleType(T->getPattern()); 20137536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor} 20147536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 2015a40c5e4f6969c6e9c980e7506b6f0a9477808645Anders Carlssonvoid CXXNameMangler::mangleType(const ObjCInterfaceType *T) { 2016a40c5e4f6969c6e9c980e7506b6f0a9477808645Anders Carlsson mangleSourceName(T->getDecl()->getIdentifier()); 2017a40c5e4f6969c6e9c980e7506b6f0a9477808645Anders Carlsson} 2018a40c5e4f6969c6e9c980e7506b6f0a9477808645Anders Carlsson 2019c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallvoid CXXNameMangler::mangleType(const ObjCObjectType *T) { 2020c00c1f6638a8ca771df14133560873fc21f31234John McCall // We don't allow overloading by different protocol qualification, 2021c00c1f6638a8ca771df14133560873fc21f31234John McCall // so mangling them isn't necessary. 2022c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall mangleType(T->getBaseType()); 2023c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2024c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 2025efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const BlockPointerType *T) { 2026f28c687866aed1ed7b4b9ddf44a51673861236cfAnders Carlsson Out << "U13block_pointer"; 2027f28c687866aed1ed7b4b9ddf44a51673861236cfAnders Carlsson mangleType(T->getPointeeType()); 2028efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 2029efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall 203031f17ecbef57b5679c017c375db330546b7b5145John McCallvoid CXXNameMangler::mangleType(const InjectedClassNameType *T) { 203131f17ecbef57b5679c017c375db330546b7b5145John McCall // Mangle injected class name types as if the user had written the 203231f17ecbef57b5679c017c375db330546b7b5145John McCall // specialization out fully. It may not actually be possible to see 203331f17ecbef57b5679c017c375db330546b7b5145John McCall // this mangling, though. 203431f17ecbef57b5679c017c375db330546b7b5145John McCall mangleType(T->getInjectedSpecializationType()); 203531f17ecbef57b5679c017c375db330546b7b5145John McCall} 203631f17ecbef57b5679c017c375db330546b7b5145John McCall 2037efe6aee53b8585d2be158daa6d74315ff37d0db9John McCallvoid CXXNameMangler::mangleType(const TemplateSpecializationType *T) { 20381e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor if (TemplateDecl *TD = T->getTemplateName().getAsTemplateDecl()) { 20391e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor mangleName(TD, T->getArgs(), T->getNumArgs()); 20401e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor } else { 20411e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor if (mangleSubstitution(QualType(T, 0))) 20421e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor return; 2043c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 20441e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor mangleTemplatePrefix(T->getTemplateName()); 2045c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 20461e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor // FIXME: GCC does not appear to mangle the template arguments when 20471e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor // the template in question is a dependent template name. Should we 20481e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor // emulate that badness? 20491e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor mangleTemplateArgs(T->getTemplateName(), T->getArgs(), T->getNumArgs()); 20501e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor addSubstitution(QualType(T, 0)); 20511e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor } 2052efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 2053efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall 20544714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregorvoid CXXNameMangler::mangleType(const DependentNameType *T) { 2055ae3524866124021f3bc695886668254093c0793fAnders Carlsson // Typename types are always nested 2056ae3524866124021f3bc695886668254093c0793fAnders Carlsson Out << 'N'; 2057a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall manglePrefix(T->getQualifier()); 205833500955d731c73717af52088b7fc0e7a85681e7John McCall mangleSourceName(T->getIdentifier()); 205933500955d731c73717af52088b7fc0e7a85681e7John McCall Out << 'E'; 206033500955d731c73717af52088b7fc0e7a85681e7John McCall} 20616ab30e0c027458ff5293b898204ac2d1a789668eJohn McCall 206233500955d731c73717af52088b7fc0e7a85681e7John McCallvoid CXXNameMangler::mangleType(const DependentTemplateSpecializationType *T) { 2063aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor // Dependently-scoped template types are nested if they have a prefix. 206433500955d731c73717af52088b7fc0e7a85681e7John McCall Out << 'N'; 206533500955d731c73717af52088b7fc0e7a85681e7John McCall 206633500955d731c73717af52088b7fc0e7a85681e7John McCall // TODO: avoid making this TemplateName. 206733500955d731c73717af52088b7fc0e7a85681e7John McCall TemplateName Prefix = 206833500955d731c73717af52088b7fc0e7a85681e7John McCall getASTContext().getDependentTemplateName(T->getQualifier(), 206933500955d731c73717af52088b7fc0e7a85681e7John McCall T->getIdentifier()); 207033500955d731c73717af52088b7fc0e7a85681e7John McCall mangleTemplatePrefix(Prefix); 207133500955d731c73717af52088b7fc0e7a85681e7John McCall 207233500955d731c73717af52088b7fc0e7a85681e7John McCall // FIXME: GCC does not appear to mangle the template arguments when 207333500955d731c73717af52088b7fc0e7a85681e7John McCall // the template in question is a dependent template name. Should we 207433500955d731c73717af52088b7fc0e7a85681e7John McCall // emulate that badness? 207533500955d731c73717af52088b7fc0e7a85681e7John McCall mangleTemplateArgs(Prefix, T->getArgs(), T->getNumArgs()); 2076ae3524866124021f3bc695886668254093c0793fAnders Carlsson Out << 'E'; 2077efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall} 2078efe6aee53b8585d2be158daa6d74315ff37d0db9John McCall 2079ad5e73887052193afda72db8efcb812bd083a4a8John McCallvoid CXXNameMangler::mangleType(const TypeOfType *T) { 2080ad5e73887052193afda72db8efcb812bd083a4a8John McCall // FIXME: this is pretty unsatisfactory, but there isn't an obvious 2081ad5e73887052193afda72db8efcb812bd083a4a8John McCall // "extension with parameters" mangling. 2082ad5e73887052193afda72db8efcb812bd083a4a8John McCall Out << "u6typeof"; 2083ad5e73887052193afda72db8efcb812bd083a4a8John McCall} 2084ad5e73887052193afda72db8efcb812bd083a4a8John McCall 2085ad5e73887052193afda72db8efcb812bd083a4a8John McCallvoid CXXNameMangler::mangleType(const TypeOfExprType *T) { 2086ad5e73887052193afda72db8efcb812bd083a4a8John McCall // FIXME: this is pretty unsatisfactory, but there isn't an obvious 2087ad5e73887052193afda72db8efcb812bd083a4a8John McCall // "extension with parameters" mangling. 2088ad5e73887052193afda72db8efcb812bd083a4a8John McCall Out << "u6typeof"; 2089ad5e73887052193afda72db8efcb812bd083a4a8John McCall} 2090ad5e73887052193afda72db8efcb812bd083a4a8John McCall 2091ad5e73887052193afda72db8efcb812bd083a4a8John McCallvoid CXXNameMangler::mangleType(const DecltypeType *T) { 2092ad5e73887052193afda72db8efcb812bd083a4a8John McCall Expr *E = T->getUnderlyingExpr(); 2093193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2094ad5e73887052193afda72db8efcb812bd083a4a8John McCall // type ::= Dt <expression> E # decltype of an id-expression 2095ad5e73887052193afda72db8efcb812bd083a4a8John McCall // # or class member access 2096ad5e73887052193afda72db8efcb812bd083a4a8John McCall // ::= DT <expression> E # decltype of an expression 2097ad5e73887052193afda72db8efcb812bd083a4a8John McCall 2098ad5e73887052193afda72db8efcb812bd083a4a8John McCall // This purports to be an exhaustive list of id-expressions and 2099ad5e73887052193afda72db8efcb812bd083a4a8John McCall // class member accesses. Note that we do not ignore parentheses; 2100ad5e73887052193afda72db8efcb812bd083a4a8John McCall // parentheses change the semantics of decltype for these 2101ad5e73887052193afda72db8efcb812bd083a4a8John McCall // expressions (and cause the mangler to use the other form). 2102ad5e73887052193afda72db8efcb812bd083a4a8John McCall if (isa<DeclRefExpr>(E) || 2103ad5e73887052193afda72db8efcb812bd083a4a8John McCall isa<MemberExpr>(E) || 2104ad5e73887052193afda72db8efcb812bd083a4a8John McCall isa<UnresolvedLookupExpr>(E) || 2105ad5e73887052193afda72db8efcb812bd083a4a8John McCall isa<DependentScopeDeclRefExpr>(E) || 2106ad5e73887052193afda72db8efcb812bd083a4a8John McCall isa<CXXDependentScopeMemberExpr>(E) || 2107ad5e73887052193afda72db8efcb812bd083a4a8John McCall isa<UnresolvedMemberExpr>(E)) 2108ad5e73887052193afda72db8efcb812bd083a4a8John McCall Out << "Dt"; 2109ad5e73887052193afda72db8efcb812bd083a4a8John McCall else 2110ad5e73887052193afda72db8efcb812bd083a4a8John McCall Out << "DT"; 2111ad5e73887052193afda72db8efcb812bd083a4a8John McCall mangleExpression(E); 2112ad5e73887052193afda72db8efcb812bd083a4a8John McCall Out << 'E'; 2113ad5e73887052193afda72db8efcb812bd083a4a8John McCall} 2114ad5e73887052193afda72db8efcb812bd083a4a8John McCall 2115ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Huntvoid CXXNameMangler::mangleType(const UnaryTransformType *T) { 2116ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt // If this is dependent, we need to record that. If not, we simply 2117ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt // mangle it as the underlying type since they are equivalent. 2118ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt if (T->isDependentType()) { 2119ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt Out << 'U'; 2120ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 2121ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt switch (T->getUTTKind()) { 2122ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt case UnaryTransformType::EnumUnderlyingType: 2123ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt Out << "3eut"; 2124ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt break; 2125ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt } 2126ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt } 2127ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 2128ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt mangleType(T->getUnderlyingType()); 2129ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt} 2130ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 213134b41d939a1328f484511c6002ba2456db879a29Richard Smithvoid CXXNameMangler::mangleType(const AutoType *T) { 213234b41d939a1328f484511c6002ba2456db879a29Richard Smith QualType D = T->getDeducedType(); 2133967ecd3bed2b7f6ea04a1592dced6fc5d44d0b5dRichard Smith // <builtin-type> ::= Da # dependent auto 2134967ecd3bed2b7f6ea04a1592dced6fc5d44d0b5dRichard Smith if (D.isNull()) 2135967ecd3bed2b7f6ea04a1592dced6fc5d44d0b5dRichard Smith Out << "Da"; 2136967ecd3bed2b7f6ea04a1592dced6fc5d44d0b5dRichard Smith else 2137967ecd3bed2b7f6ea04a1592dced6fc5d44d0b5dRichard Smith mangleType(D); 213834b41d939a1328f484511c6002ba2456db879a29Richard Smith} 213934b41d939a1328f484511c6002ba2456db879a29Richard Smith 2140b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedmanvoid CXXNameMangler::mangleType(const AtomicType *T) { 2141b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // <type> ::= U <source-name> <type> # vendor extended type qualifier 2142b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // (Until there's a standardized mangling...) 2143b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman Out << "U7_Atomic"; 2144b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman mangleType(T->getValueType()); 2145b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman} 2146b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 2147193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnamvoid CXXNameMangler::mangleIntegerLiteral(QualType T, 2148e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson const llvm::APSInt &Value) { 2149e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson // <expr-primary> ::= L <type> <value number> E # integer literal 2150e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson Out << 'L'; 2151193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2152e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson mangleType(T); 2153e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson if (T->isBooleanType()) { 2154e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson // Boolean values are encoded as 0/1. 2155e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson Out << (Value.getBoolValue() ? '1' : '0'); 2156e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson } else { 21570512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleNumber(Value); 2158e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson } 2159e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson Out << 'E'; 2160193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2161e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson} 2162e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson 21632f27bf854f0519810b34afd209089cc75536b757John McCall/// Mangles a member expression. Implicit accesses are not handled, 21642f27bf854f0519810b34afd209089cc75536b757John McCall/// but that should be okay, because you shouldn't be able to 21652f27bf854f0519810b34afd209089cc75536b757John McCall/// make an implicit access in a function template declaration. 2166a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCallvoid CXXNameMangler::mangleMemberExpr(const Expr *base, 2167a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall bool isArrow, 2168a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall NestedNameSpecifier *qualifier, 2169a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall NamedDecl *firstQualifierLookup, 2170a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall DeclarationName member, 2171a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall unsigned arity) { 2172a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // <expression> ::= dt <expression> <unresolved-name> 2173a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall // ::= pt <expression> <unresolved-name> 2174a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall Out << (isArrow ? "pt" : "dt"); 2175a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleExpression(base); 2176a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleUnresolvedName(qualifier, firstQualifierLookup, member, arity); 21772f27bf854f0519810b34afd209089cc75536b757John McCall} 21782f27bf854f0519810b34afd209089cc75536b757John McCall 21795a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall/// Look at the callee of the given call expression and determine if 21805a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall/// it's a parenthesized id-expression which would have triggered ADL 21815a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall/// otherwise. 21825a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCallstatic bool isParenthesizedADLCallee(const CallExpr *call) { 21835a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall const Expr *callee = call->getCallee(); 21845a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall const Expr *fn = callee->IgnoreParens(); 21855a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall 21865a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // Must be parenthesized. IgnoreParens() skips __extension__ nodes, 21875a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // too, but for those to appear in the callee, it would have to be 21885a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // parenthesized. 21895a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall if (callee == fn) return false; 21905a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall 21915a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // Must be an unresolved lookup. 21925a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall const UnresolvedLookupExpr *lookup = dyn_cast<UnresolvedLookupExpr>(fn); 21935a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall if (!lookup) return false; 21945a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall 21955a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall assert(!lookup->requiresADL()); 21965a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall 21975a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // Must be an unqualified lookup. 21985a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall if (lookup->getQualifier()) return false; 21995a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall 22005a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // Must not have found a class member. Note that if one is a class 22015a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // member, they're all class members. 22025a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall if (lookup->getNumDecls() > 0 && 22035a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall (*lookup->decls_begin())->isCXXClassMember()) 22045a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall return false; 22055a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall 22065a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // Otherwise, ADL would have been triggered. 22075a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall return true; 22085a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall} 22095a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall 22105e1e89b8af283af34943a477dc6378f1a641df26John McCallvoid CXXNameMangler::mangleExpression(const Expr *E, unsigned Arity) { 2211d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson // <expression> ::= <unary operator-name> <expression> 221209cc141c89a5e9f305c17d7a88298647df16ceddJohn McCall // ::= <binary operator-name> <expression> <expression> 221309cc141c89a5e9f305c17d7a88298647df16ceddJohn McCall // ::= <trinary operator-name> <expression> <expression> <expression> 2214d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson // ::= cv <type> expression # conversion with one argument 2215d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson // ::= cv <type> _ <expression>* E # conversion with a different number of arguments 2216a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // ::= st <type> # sizeof (a type) 2217d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson // ::= at <type> # alignof (a type) 2218d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson // ::= <template-param> 2219d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson // ::= <function-param> 2220d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson // ::= sr <type> <unqualified-name> # dependent name 2221d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson // ::= sr <type> <unqualified-name> <template-args> # dependent template-id 222263f62df485de57c6b0db167d96bb0f92562adb7bDouglas Gregor // ::= ds <expression> <expression> # expr.*expr 2223d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson // ::= sZ <template-param> # size of a parameter pack 22244fc4866945de9b0f1f77a17557060f0ff959b0b1Douglas Gregor // ::= sZ <function-param> # size of a function parameter pack 222509cc141c89a5e9f305c17d7a88298647df16ceddJohn McCall // ::= <expr-primary> 22261dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall // <expr-primary> ::= L <type> <value number> E # integer literal 22271dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall // ::= L <type <value float> E # floating literal 22281dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall // ::= L <mangled-name> E # external name 2229edee94b615059ad178b06a489312eca6e049609aDouglas Gregor QualType ImplicitlyConvertedToType; 2230edee94b615059ad178b06a489312eca6e049609aDouglas Gregor 2231edee94b615059ad178b06a489312eca6e049609aDouglas Gregorrecurse: 2232d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson switch (E->getStmtClass()) { 22336ae1f35cedb5a847f15f86bdb227b7bbe574a344John McCall case Expr::NoStmtClass: 223463c00d7f35fa060c0a446c9df3a4402d9c7757feJohn McCall#define ABSTRACT_STMT(Type) 22356ae1f35cedb5a847f15f86bdb227b7bbe574a344John McCall#define EXPR(Type, Base) 22366ae1f35cedb5a847f15f86bdb227b7bbe574a344John McCall#define STMT(Type, Base) \ 22376ae1f35cedb5a847f15f86bdb227b7bbe574a344John McCall case Expr::Type##Class: 22384bfe1968410ea8ffe3b4f629addd7c4bcf484765Sean Hunt#include "clang/AST/StmtNodes.inc" 22390512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // fallthrough 22400512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 22410512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // These all can only appear in local or variable-initialization 22420512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // contexts and so should never appear in a mangling. 22430512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::AddrLabelExprClass: 22440512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::BlockDeclRefExprClass: 22450512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CXXThisExprClass: 22460512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::DesignatedInitExprClass: 22470512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ImplicitValueInitExprClass: 22480512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::InitListExprClass: 22490512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ParenListExprClass: 22500512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CXXScalarValueInitExprClass: 225109cc141c89a5e9f305c17d7a88298647df16ceddJohn McCall llvm_unreachable("unexpected statement kind"); 225209cc141c89a5e9f305c17d7a88298647df16ceddJohn McCall 22530512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // FIXME: invent manglings for all these. 22540512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::BlockExprClass: 22550512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CXXPseudoDestructorExprClass: 22560512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ChooseExprClass: 22570512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CompoundLiteralExprClass: 22580512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ExtVectorElementExprClass: 2259f111d935722ed488144600cea5ed03a6b5069e8fPeter Collingbourne case Expr::GenericSelectionExprClass: 22600512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ObjCEncodeExprClass: 22610512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ObjCIsaExprClass: 22620512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ObjCIvarRefExprClass: 22630512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ObjCMessageExprClass: 22640512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ObjCPropertyRefExprClass: 22650512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ObjCProtocolExprClass: 22660512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ObjCSelectorExprClass: 22670512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ObjCStringLiteralClass: 2268f85e193739c953358c865005855253af4f68a497John McCall case Expr::ObjCIndirectCopyRestoreExprClass: 22690512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::OffsetOfExprClass: 22700512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::PredefinedExprClass: 22710512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ShuffleVectorExprClass: 22720512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::StmtExprClass: 22730512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::UnaryTypeTraitExprClass: 22746ad6f2848d7652ab2991286eb48be440d3493b28Francois Pichet case Expr::BinaryTypeTraitExprClass: 227521ff2e516b0e0bc8c1dbf965cb3d44bac3c64330John Wiegley case Expr::ArrayTypeTraitExprClass: 2276552622067dc45013d240f73952fece703f5e63bdJohn Wiegley case Expr::ExpressionTraitExprClass: 22779be88403e965cc49af76c9d33d818781d44b333eFrancois Pichet case Expr::VAArgExprClass: 22782e156225a29407a50dd19041aa5750171ad44ea3Sebastian Redl case Expr::CXXUuidofExprClass: 2279e08ce650a2b02410eddd1f60a4aa6b3d4be71e73Peter Collingbourne case Expr::CXXNoexceptExprClass: 228061eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner case Expr::CUDAKernelCallExprClass: 228161eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner case Expr::AsTypeExprClass: 22824b9c2d235fb9449e249d74f48ecfec601650de93John McCall case Expr::PseudoObjectExprClass: 2283276b061970939293f1abaf694bd3ef05b2cbda79Eli Friedman case Expr::AtomicExprClass: 228461eee0ca33b29e102f11bab77c8b74cc00e2392bTanya Lattner { 22856ae1f35cedb5a847f15f86bdb227b7bbe574a344John McCall // As bad as this diagnostic is, it's better than crashing. 2286d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie DiagnosticsEngine &Diags = Context.getDiags(); 2287d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, 22886ae1f35cedb5a847f15f86bdb227b7bbe574a344John McCall "cannot yet mangle expression type %0"); 228933e4e70c8c0a17e0ccb7465d96556b077a68ecb1Argyrios Kyrtzidis Diags.Report(E->getExprLoc(), DiagID) 2290739bf09fc6c7e34a86f1b049b44e58a4718dd348John McCall << E->getStmtClassName() << E->getSourceRange(); 22916ae1f35cedb5a847f15f86bdb227b7bbe574a344John McCall break; 22926ae1f35cedb5a847f15f86bdb227b7bbe574a344John McCall } 22936ae1f35cedb5a847f15f86bdb227b7bbe574a344John McCall 229456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall // Even gcc-4.5 doesn't mangle this. 229556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall case Expr::BinaryConditionalOperatorClass: { 2296d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie DiagnosticsEngine &Diags = Context.getDiags(); 229756ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall unsigned DiagID = 2298d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie Diags.getCustomDiagID(DiagnosticsEngine::Error, 229956ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall "?: operator with omitted middle operand cannot be mangled"); 230056ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall Diags.Report(E->getExprLoc(), DiagID) 230156ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall << E->getStmtClassName() << E->getSourceRange(); 230256ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall break; 230356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall } 230456ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall 230556ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall // These are used for internal purposes and cannot be meaningfully mangled. 23067cd7d1ad33fdf49eef83942e8855fe20d95aa1b9John McCall case Expr::OpaqueValueExprClass: 23077cd7d1ad33fdf49eef83942e8855fe20d95aa1b9John McCall llvm_unreachable("cannot mangle opaque value; mangling wrong thing?"); 23087cd7d1ad33fdf49eef83942e8855fe20d95aa1b9John McCall 23090512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CXXDefaultArgExprClass: 23105e1e89b8af283af34943a477dc6378f1a641df26John McCall mangleExpression(cast<CXXDefaultArgExpr>(E)->getExpr(), Arity); 23110512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall break; 231291a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall 231391a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall case Expr::SubstNonTypeTemplateParmExprClass: 231491a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall mangleExpression(cast<SubstNonTypeTemplateParmExpr>(E)->getReplacement(), 231591a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall Arity); 231691a5755ad73c5dc1dfb167e448fdd74e75a6df56John McCall break; 23170512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 23180512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CXXMemberCallExprClass: // fallthrough 23191dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall case Expr::CallExprClass: { 23201dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const CallExpr *CE = cast<CallExpr>(E); 23215a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall 23225a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // <expression> ::= cp <simple-id> <expression>* E 23235a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // We use this mangling only when the call would use ADL except 23245a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // for being parenthesized. Per discussion with David 23255a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // Vandervoorde, 2011.04.25. 23265a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall if (isParenthesizedADLCallee(CE)) { 23275a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall Out << "cp"; 23285a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // The callee here is a parenthesized UnresolvedLookupExpr with 23295a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // no qualifier and should always get mangled as a <simple-id> 23305a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // anyway. 23315a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall 23325a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall // <expression> ::= cl <expression>* E 23335a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall } else { 23345a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall Out << "cl"; 23355a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall } 23365a7e6f781afc53f3c04c146d74aa7eff15f1338eJohn McCall 23375e1e89b8af283af34943a477dc6378f1a641df26John McCall mangleExpression(CE->getCallee(), CE->getNumArgs()); 23381dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall for (unsigned I = 0, N = CE->getNumArgs(); I != N; ++I) 23391dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall mangleExpression(CE->getArg(I)); 234035f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Out << 'E'; 234109cc141c89a5e9f305c17d7a88298647df16ceddJohn McCall break; 23421dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 23431dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 23440512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CXXNewExprClass: { 23450512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // Proposal from David Vandervoorde, 2010.06.30 23460512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall const CXXNewExpr *New = cast<CXXNewExpr>(E); 23470512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall if (New->isGlobalNew()) Out << "gs"; 23480512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << (New->isArray() ? "na" : "nw"); 23490512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall for (CXXNewExpr::const_arg_iterator I = New->placement_arg_begin(), 23500512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall E = New->placement_arg_end(); I != E; ++I) 23510512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleExpression(*I); 23520512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << '_'; 23530512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleType(New->getAllocatedType()); 23540512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall if (New->hasInitializer()) { 23550512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << "pi"; 23560512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall for (CXXNewExpr::const_arg_iterator I = New->constructor_arg_begin(), 23570512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall E = New->constructor_arg_end(); I != E; ++I) 23580512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleExpression(*I); 23590512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 23600512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << 'E'; 23610512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall break; 23620512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 23630512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 23642f27bf854f0519810b34afd209089cc75536b757John McCall case Expr::MemberExprClass: { 23652f27bf854f0519810b34afd209089cc75536b757John McCall const MemberExpr *ME = cast<MemberExpr>(E); 23662f27bf854f0519810b34afd209089cc75536b757John McCall mangleMemberExpr(ME->getBase(), ME->isArrow(), 2367a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall ME->getQualifier(), 0, ME->getMemberDecl()->getDeclName(), 23685e1e89b8af283af34943a477dc6378f1a641df26John McCall Arity); 23692f27bf854f0519810b34afd209089cc75536b757John McCall break; 23702f27bf854f0519810b34afd209089cc75536b757John McCall } 23712f27bf854f0519810b34afd209089cc75536b757John McCall 23722f27bf854f0519810b34afd209089cc75536b757John McCall case Expr::UnresolvedMemberExprClass: { 23732f27bf854f0519810b34afd209089cc75536b757John McCall const UnresolvedMemberExpr *ME = cast<UnresolvedMemberExpr>(E); 23742f27bf854f0519810b34afd209089cc75536b757John McCall mangleMemberExpr(ME->getBase(), ME->isArrow(), 2375a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall ME->getQualifier(), 0, ME->getMemberName(), 23765e1e89b8af283af34943a477dc6378f1a641df26John McCall Arity); 23776dbce19fdae4cfae4eb5f826284978e723a04e61John McCall if (ME->hasExplicitTemplateArgs()) 23786dbce19fdae4cfae4eb5f826284978e723a04e61John McCall mangleTemplateArgs(ME->getExplicitTemplateArgs()); 23792f27bf854f0519810b34afd209089cc75536b757John McCall break; 23802f27bf854f0519810b34afd209089cc75536b757John McCall } 23812f27bf854f0519810b34afd209089cc75536b757John McCall 23822f27bf854f0519810b34afd209089cc75536b757John McCall case Expr::CXXDependentScopeMemberExprClass: { 23832f27bf854f0519810b34afd209089cc75536b757John McCall const CXXDependentScopeMemberExpr *ME 23842f27bf854f0519810b34afd209089cc75536b757John McCall = cast<CXXDependentScopeMemberExpr>(E); 23852f27bf854f0519810b34afd209089cc75536b757John McCall mangleMemberExpr(ME->getBase(), ME->isArrow(), 2386a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall ME->getQualifier(), ME->getFirstQualifierFoundInScope(), 2387a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall ME->getMember(), Arity); 23886dbce19fdae4cfae4eb5f826284978e723a04e61John McCall if (ME->hasExplicitTemplateArgs()) 23896dbce19fdae4cfae4eb5f826284978e723a04e61John McCall mangleTemplateArgs(ME->getExplicitTemplateArgs()); 23902f27bf854f0519810b34afd209089cc75536b757John McCall break; 23912f27bf854f0519810b34afd209089cc75536b757John McCall } 23922f27bf854f0519810b34afd209089cc75536b757John McCall 23931dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall case Expr::UnresolvedLookupExprClass: { 23941dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const UnresolvedLookupExpr *ULE = cast<UnresolvedLookupExpr>(E); 2395a0ce15c13a69c430d8980a1fcf03f420855c18caJohn McCall mangleUnresolvedName(ULE->getQualifier(), 0, ULE->getName(), Arity); 239626a6ec7be5ad57aa380f62aa2c39cd073e22d9dcJohn McCall 239726a6ec7be5ad57aa380f62aa2c39cd073e22d9dcJohn McCall // All the <unresolved-name> productions end in a 239826a6ec7be5ad57aa380f62aa2c39cd073e22d9dcJohn McCall // base-unresolved-name, where <template-args> are just tacked 239926a6ec7be5ad57aa380f62aa2c39cd073e22d9dcJohn McCall // onto the end. 24006dbce19fdae4cfae4eb5f826284978e723a04e61John McCall if (ULE->hasExplicitTemplateArgs()) 24016dbce19fdae4cfae4eb5f826284978e723a04e61John McCall mangleTemplateArgs(ULE->getExplicitTemplateArgs()); 24021dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall break; 24031dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 24041dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 2405193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam case Expr::CXXUnresolvedConstructExprClass: { 24061dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const CXXUnresolvedConstructExpr *CE = cast<CXXUnresolvedConstructExpr>(E); 24071dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall unsigned N = CE->arg_size(); 240809cc141c89a5e9f305c17d7a88298647df16ceddJohn McCall 24091dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall Out << "cv"; 24101dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall mangleType(CE->getType()); 241135f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer if (N != 1) Out << '_'; 24121dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall for (unsigned I = 0; I != N; ++I) mangleExpression(CE->getArg(I)); 241335f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer if (N != 1) Out << 'E'; 2414193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam break; 24151dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 24161dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 24171dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall case Expr::CXXTemporaryObjectExprClass: 24181dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall case Expr::CXXConstructExprClass: { 24191dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const CXXConstructExpr *CE = cast<CXXConstructExpr>(E); 24201dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall unsigned N = CE->getNumArgs(); 242109cc141c89a5e9f305c17d7a88298647df16ceddJohn McCall 24221dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall Out << "cv"; 24231dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall mangleType(CE->getType()); 242435f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer if (N != 1) Out << '_'; 24251dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall for (unsigned I = 0; I != N; ++I) mangleExpression(CE->getArg(I)); 242635f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer if (N != 1) Out << 'E'; 242709cc141c89a5e9f305c17d7a88298647df16ceddJohn McCall break; 24281dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 24291dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 2430f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne case Expr::UnaryExprOrTypeTraitExprClass: { 2431f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne const UnaryExprOrTypeTraitExpr *SAE = cast<UnaryExprOrTypeTraitExpr>(E); 2432edee94b615059ad178b06a489312eca6e049609aDouglas Gregor 2433edee94b615059ad178b06a489312eca6e049609aDouglas Gregor if (!SAE->isInstantiationDependent()) { 2434edee94b615059ad178b06a489312eca6e049609aDouglas Gregor // Itanium C++ ABI: 2435edee94b615059ad178b06a489312eca6e049609aDouglas Gregor // If the operand of a sizeof or alignof operator is not 2436edee94b615059ad178b06a489312eca6e049609aDouglas Gregor // instantiation-dependent it is encoded as an integer literal 2437edee94b615059ad178b06a489312eca6e049609aDouglas Gregor // reflecting the result of the operator. 2438edee94b615059ad178b06a489312eca6e049609aDouglas Gregor // 2439edee94b615059ad178b06a489312eca6e049609aDouglas Gregor // If the result of the operator is implicitly converted to a known 2440edee94b615059ad178b06a489312eca6e049609aDouglas Gregor // integer type, that type is used for the literal; otherwise, the type 2441edee94b615059ad178b06a489312eca6e049609aDouglas Gregor // of std::size_t or std::ptrdiff_t is used. 2442edee94b615059ad178b06a489312eca6e049609aDouglas Gregor QualType T = (ImplicitlyConvertedToType.isNull() || 2443edee94b615059ad178b06a489312eca6e049609aDouglas Gregor !ImplicitlyConvertedToType->isIntegerType())? SAE->getType() 2444edee94b615059ad178b06a489312eca6e049609aDouglas Gregor : ImplicitlyConvertedToType; 2445a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith llvm::APSInt V = SAE->EvaluateKnownConstInt(Context.getASTContext()); 2446a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith mangleIntegerLiteral(T, V); 2447edee94b615059ad178b06a489312eca6e049609aDouglas Gregor break; 2448edee94b615059ad178b06a489312eca6e049609aDouglas Gregor } 2449edee94b615059ad178b06a489312eca6e049609aDouglas Gregor 2450f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne switch(SAE->getKind()) { 2451f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne case UETT_SizeOf: 2452f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne Out << 's'; 2453f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne break; 2454f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne case UETT_AlignOf: 2455f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne Out << 'a'; 2456f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne break; 2457f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne case UETT_VecStep: 2458d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie DiagnosticsEngine &Diags = Context.getDiags(); 2459d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, 2460f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne "cannot yet mangle vec_step expression"); 2461f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne Diags.Report(DiagID); 2462f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne return; 2463f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne } 24641dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall if (SAE->isArgumentType()) { 246535f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Out << 't'; 24661dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall mangleType(SAE->getArgumentType()); 24671dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } else { 246835f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Out << 'z'; 24691dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall mangleExpression(SAE->getArgumentExpr()); 24701dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 24711dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall break; 24721dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 2473a7694087e4abaea261918ffbb3ffe38feb1da489Anders Carlsson 24740512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CXXThrowExprClass: { 24750512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall const CXXThrowExpr *TE = cast<CXXThrowExpr>(E); 24760512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 24770512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // Proposal from David Vandervoorde, 2010.06.30 24780512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall if (TE->getSubExpr()) { 24790512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << "tw"; 24800512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleExpression(TE->getSubExpr()); 24810512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } else { 24820512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << "tr"; 24830512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 24840512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall break; 24850512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 24860512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 24870512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CXXTypeidExprClass: { 24880512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall const CXXTypeidExpr *TIE = cast<CXXTypeidExpr>(E); 24890512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 24900512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // Proposal from David Vandervoorde, 2010.06.30 24910512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall if (TIE->isTypeOperand()) { 24920512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << "ti"; 24930512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleType(TIE->getTypeOperand()); 24940512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } else { 24950512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << "te"; 24960512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleExpression(TIE->getExprOperand()); 24970512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 24980512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall break; 24990512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 25000512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 25010512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CXXDeleteExprClass: { 25020512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall const CXXDeleteExpr *DE = cast<CXXDeleteExpr>(E); 25030512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 25040512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // Proposal from David Vandervoorde, 2010.06.30 25050512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall if (DE->isGlobalDelete()) Out << "gs"; 25060512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << (DE->isArrayForm() ? "da" : "dl"); 25070512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleExpression(DE->getArgument()); 25080512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall break; 25090512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 25100512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 2511e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson case Expr::UnaryOperatorClass: { 2512e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson const UnaryOperator *UO = cast<UnaryOperator>(E); 2513193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam mangleOperatorName(UnaryOperator::getOverloadedOperator(UO->getOpcode()), 2514e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson /*Arity=*/1); 2515e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson mangleExpression(UO->getSubExpr()); 2516e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson break; 2517e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson } 2518193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 25190512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ArraySubscriptExprClass: { 25200512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall const ArraySubscriptExpr *AE = cast<ArraySubscriptExpr>(E); 25210512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 2522fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner // Array subscript is treated as a syntactically weird form of 25230512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // binary operator. 25240512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << "ix"; 25250512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleExpression(AE->getLHS()); 25260512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleExpression(AE->getRHS()); 25270512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall break; 25280512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 25290512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 25300512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CompoundAssignOperatorClass: // fallthrough 2531e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson case Expr::BinaryOperatorClass: { 2532e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson const BinaryOperator *BO = cast<BinaryOperator>(E); 253363f62df485de57c6b0db167d96bb0f92562adb7bDouglas Gregor if (BO->getOpcode() == BO_PtrMemD) 253463f62df485de57c6b0db167d96bb0f92562adb7bDouglas Gregor Out << "ds"; 253563f62df485de57c6b0db167d96bb0f92562adb7bDouglas Gregor else 253663f62df485de57c6b0db167d96bb0f92562adb7bDouglas Gregor mangleOperatorName(BinaryOperator::getOverloadedOperator(BO->getOpcode()), 253763f62df485de57c6b0db167d96bb0f92562adb7bDouglas Gregor /*Arity=*/2); 2538e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson mangleExpression(BO->getLHS()); 2539193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam mangleExpression(BO->getRHS()); 2540e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson break; 25412f27bf854f0519810b34afd209089cc75536b757John McCall } 2542e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson 2543e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson case Expr::ConditionalOperatorClass: { 2544e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson const ConditionalOperator *CO = cast<ConditionalOperator>(E); 2545e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson mangleOperatorName(OO_Conditional, /*Arity=*/3); 2546e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson mangleExpression(CO->getCond()); 25475e1e89b8af283af34943a477dc6378f1a641df26John McCall mangleExpression(CO->getLHS(), Arity); 25485e1e89b8af283af34943a477dc6378f1a641df26John McCall mangleExpression(CO->getRHS(), Arity); 2549e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson break; 2550e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson } 2551e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson 255246287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor case Expr::ImplicitCastExprClass: { 2553edee94b615059ad178b06a489312eca6e049609aDouglas Gregor ImplicitlyConvertedToType = E->getType(); 2554edee94b615059ad178b06a489312eca6e049609aDouglas Gregor E = cast<ImplicitCastExpr>(E)->getSubExpr(); 2555edee94b615059ad178b06a489312eca6e049609aDouglas Gregor goto recurse; 255646287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor } 2557f85e193739c953358c865005855253af4f68a497John McCall 2558f85e193739c953358c865005855253af4f68a497John McCall case Expr::ObjCBridgedCastExprClass: { 2559f85e193739c953358c865005855253af4f68a497John McCall // Mangle ownership casts as a vendor extended operator __bridge, 2560f85e193739c953358c865005855253af4f68a497John McCall // __bridge_transfer, or __bridge_retain. 25615f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef Kind = cast<ObjCBridgedCastExpr>(E)->getBridgeKindName(); 2562f85e193739c953358c865005855253af4f68a497John McCall Out << "v1U" << Kind.size() << Kind; 2563f85e193739c953358c865005855253af4f68a497John McCall } 2564f85e193739c953358c865005855253af4f68a497John McCall // Fall through to mangle the cast itself. 2565f85e193739c953358c865005855253af4f68a497John McCall 256646287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor case Expr::CStyleCastExprClass: 256746287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor case Expr::CXXStaticCastExprClass: 256846287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor case Expr::CXXDynamicCastExprClass: 256946287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor case Expr::CXXReinterpretCastExprClass: 257046287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor case Expr::CXXConstCastExprClass: 257146287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor case Expr::CXXFunctionalCastExprClass: { 257246287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor const ExplicitCastExpr *ECE = cast<ExplicitCastExpr>(E); 257346287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor Out << "cv"; 257446287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor mangleType(ECE->getType()); 257546287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor mangleExpression(ECE->getSubExpr()); 257646287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor break; 257746287c7922b1c715b6ade87478e91409b19f0247Douglas Gregor } 2578193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 257958040a5ee50bcaebbcbebe47fbdc5fd70be90e83Anders Carlsson case Expr::CXXOperatorCallExprClass: { 258058040a5ee50bcaebbcbebe47fbdc5fd70be90e83Anders Carlsson const CXXOperatorCallExpr *CE = cast<CXXOperatorCallExpr>(E); 258158040a5ee50bcaebbcbebe47fbdc5fd70be90e83Anders Carlsson unsigned NumArgs = CE->getNumArgs(); 258258040a5ee50bcaebbcbebe47fbdc5fd70be90e83Anders Carlsson mangleOperatorName(CE->getOperator(), /*Arity=*/NumArgs); 258358040a5ee50bcaebbcbebe47fbdc5fd70be90e83Anders Carlsson // Mangle the arguments. 258458040a5ee50bcaebbcbebe47fbdc5fd70be90e83Anders Carlsson for (unsigned i = 0; i != NumArgs; ++i) 258558040a5ee50bcaebbcbebe47fbdc5fd70be90e83Anders Carlsson mangleExpression(CE->getArg(i)); 258658040a5ee50bcaebbcbebe47fbdc5fd70be90e83Anders Carlsson break; 258758040a5ee50bcaebbcbebe47fbdc5fd70be90e83Anders Carlsson } 2588193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 2589a7694087e4abaea261918ffbb3ffe38feb1da489Anders Carlsson case Expr::ParenExprClass: 25905e1e89b8af283af34943a477dc6378f1a641df26John McCall mangleExpression(cast<ParenExpr>(E)->getSubExpr(), Arity); 2591a7694087e4abaea261918ffbb3ffe38feb1da489Anders Carlsson break; 2592a7694087e4abaea261918ffbb3ffe38feb1da489Anders Carlsson 2593d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson case Expr::DeclRefExprClass: { 25945ed1bc351f36ca1086d7836baee546c39ce90dd7Douglas Gregor const NamedDecl *D = cast<DeclRefExpr>(E)->getDecl(); 25953c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 2596d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson switch (D->getKind()) { 2597193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam default: 25985ed1bc351f36ca1086d7836baee546c39ce90dd7Douglas Gregor // <expr-primary> ::= L <mangled-name> E # external name 25995ed1bc351f36ca1086d7836baee546c39ce90dd7Douglas Gregor Out << 'L'; 26005ed1bc351f36ca1086d7836baee546c39ce90dd7Douglas Gregor mangle(D, "_Z"); 26015ed1bc351f36ca1086d7836baee546c39ce90dd7Douglas Gregor Out << 'E'; 26025ed1bc351f36ca1086d7836baee546c39ce90dd7Douglas Gregor break; 26035ed1bc351f36ca1086d7836baee546c39ce90dd7Douglas Gregor 2604fb44de956f27875def889482b5393475060392afJohn McCall case Decl::ParmVar: 2605fb44de956f27875def889482b5393475060392afJohn McCall mangleFunctionParam(cast<ParmVarDecl>(D)); 2606fb44de956f27875def889482b5393475060392afJohn McCall break; 2607fb44de956f27875def889482b5393475060392afJohn McCall 26083dc7e7b9c59b9a2ed4f530b32e710a3738611df7John McCall case Decl::EnumConstant: { 26093dc7e7b9c59b9a2ed4f530b32e710a3738611df7John McCall const EnumConstantDecl *ED = cast<EnumConstantDecl>(D); 26103dc7e7b9c59b9a2ed4f530b32e710a3738611df7John McCall mangleIntegerLiteral(ED->getType(), ED->getInitVal()); 26113dc7e7b9c59b9a2ed4f530b32e710a3738611df7John McCall break; 26123dc7e7b9c59b9a2ed4f530b32e710a3738611df7John McCall } 26133dc7e7b9c59b9a2ed4f530b32e710a3738611df7John McCall 2614d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson case Decl::NonTypeTemplateParm: { 2615d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson const NonTypeTemplateParmDecl *PD = cast<NonTypeTemplateParmDecl>(D); 26160ccdf8d62cba2ad730001f133b6cc4836c42da83Anders Carlsson mangleTemplateParameter(PD->getIndex()); 2617d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson break; 2618d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson } 2619d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson 2620d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson } 26213c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 262250755b0dcc81eed9dcf27abe9162527013f26bd4Anders Carlsson break; 262350755b0dcc81eed9dcf27abe9162527013f26bd4Anders Carlsson } 26243c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 2625c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor case Expr::SubstNonTypeTemplateParmPackExprClass: 262668a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // FIXME: not clear how to mangle this! 262768a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // template <unsigned N...> class A { 262868a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // template <class U...> void foo(U (&x)[N]...); 262968a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall // }; 263068a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall Out << "_SUBSTPACK_"; 2631c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor break; 2632c7793c73ba8a343de3f2552d984851985a46f159Douglas Gregor 2633865d447ac6a4721ab58e898d014a21f2eff74b06John McCall case Expr::DependentScopeDeclRefExprClass: { 2634865d447ac6a4721ab58e898d014a21f2eff74b06John McCall const DependentScopeDeclRefExpr *DRE = cast<DependentScopeDeclRefExpr>(E); 263526a6ec7be5ad57aa380f62aa2c39cd073e22d9dcJohn McCall mangleUnresolvedName(DRE->getQualifier(), 0, DRE->getDeclName(), Arity); 263650755b0dcc81eed9dcf27abe9162527013f26bd4Anders Carlsson 263726a6ec7be5ad57aa380f62aa2c39cd073e22d9dcJohn McCall // All the <unresolved-name> productions end in a 263826a6ec7be5ad57aa380f62aa2c39cd073e22d9dcJohn McCall // base-unresolved-name, where <template-args> are just tacked 263926a6ec7be5ad57aa380f62aa2c39cd073e22d9dcJohn McCall // onto the end. 26406dbce19fdae4cfae4eb5f826284978e723a04e61John McCall if (DRE->hasExplicitTemplateArgs()) 26416dbce19fdae4cfae4eb5f826284978e723a04e61John McCall mangleTemplateArgs(DRE->getExplicitTemplateArgs()); 264250755b0dcc81eed9dcf27abe9162527013f26bd4Anders Carlsson break; 2643d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson } 264450755b0dcc81eed9dcf27abe9162527013f26bd4Anders Carlsson 2645d93076038afe2d26e1e5cf3d68faccc44245450eJohn McCall case Expr::CXXBindTemporaryExprClass: 2646d93076038afe2d26e1e5cf3d68faccc44245450eJohn McCall mangleExpression(cast<CXXBindTemporaryExpr>(E)->getSubExpr()); 2647d93076038afe2d26e1e5cf3d68faccc44245450eJohn McCall break; 2648d93076038afe2d26e1e5cf3d68faccc44245450eJohn McCall 26494765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall case Expr::ExprWithCleanupsClass: 26504765fa05b5652fcc4356371c2f481d0ea9a1b007John McCall mangleExpression(cast<ExprWithCleanups>(E)->getSubExpr(), Arity); 2651d93076038afe2d26e1e5cf3d68faccc44245450eJohn McCall break; 2652d93076038afe2d26e1e5cf3d68faccc44245450eJohn McCall 26531dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall case Expr::FloatingLiteralClass: { 26541dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall const FloatingLiteral *FL = cast<FloatingLiteral>(E); 265535f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Out << 'L'; 26561dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall mangleType(FL->getType()); 26570512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleFloat(FL->getValue()); 265835f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Out << 'E'; 26591dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall break; 26601dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall } 26611dd7383dc48718c452e71a625b29531dd96fbb9dJohn McCall 2662de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall case Expr::CharacterLiteralClass: 266335f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Out << 'L'; 2664de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall mangleType(E->getType()); 2665de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall Out << cast<CharacterLiteral>(E)->getValue(); 2666de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall Out << 'E'; 2667de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall break; 2668de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall 2669de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall case Expr::CXXBoolLiteralExprClass: 2670de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall Out << "Lb"; 2671de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall Out << (cast<CXXBoolLiteralExpr>(E)->getValue() ? '1' : '0'); 2672de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall Out << 'E'; 2673de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall break; 2674de81063acdc999fbe1225f466ead12f7e9107acfJohn McCall 26750512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::IntegerLiteralClass: { 26760512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall llvm::APSInt Value(cast<IntegerLiteral>(E)->getValue()); 26770512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall if (E->getType()->isSignedIntegerType()) 26780512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Value.setIsSigned(true); 26790512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleIntegerLiteral(E->getType(), Value); 2680e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson break; 26810512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 26820512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 26830512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::ImaginaryLiteralClass: { 26840512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall const ImaginaryLiteral *IE = cast<ImaginaryLiteral>(E); 26850512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // Mangle as if a complex literal. 2686271b665c4e357809d245c1ab811f20bf1f0dfc1fNick Lewycky // Proposal from David Vandevoorde, 2010.06.30. 26870512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << 'L'; 26880512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleType(E->getType()); 26890512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall if (const FloatingLiteral *Imag = 26900512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall dyn_cast<FloatingLiteral>(IE->getSubExpr())) { 26910512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // Mangle a floating-point zero of the appropriate type. 26920512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleFloat(llvm::APFloat(Imag->getValue().getSemantics())); 26930512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << '_'; 26940512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleFloat(Imag->getValue()); 26950512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } else { 2696271b665c4e357809d245c1ab811f20bf1f0dfc1fNick Lewycky Out << "0_"; 26970512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall llvm::APSInt Value(cast<IntegerLiteral>(IE->getSubExpr())->getValue()); 26980512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall if (IE->getSubExpr()->getType()->isSignedIntegerType()) 26990512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Value.setIsSigned(true); 27000512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall mangleNumber(Value); 27010512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 27020512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << 'E'; 27030512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall break; 27040512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 27050512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 27060512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::StringLiteralClass: { 27071658c39227fe0dc53e6365799a579eeb22b478d2John McCall // Revised proposal from David Vandervoorde, 2010.07.15. 27080512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << 'L'; 27091658c39227fe0dc53e6365799a579eeb22b478d2John McCall assert(isa<ConstantArrayType>(E->getType())); 27101658c39227fe0dc53e6365799a579eeb22b478d2John McCall mangleType(E->getType()); 27110512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << 'E'; 27120512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall break; 27130512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 27140512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 27150512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::GNUNullExprClass: 27160512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // FIXME: should this really be mangled the same as nullptr? 27170512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // fallthrough 27180512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall 27190512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall case Expr::CXXNullPtrLiteralExprClass: { 27200512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // Proposal from David Vandervoorde, 2010.06.30, as 27210512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall // modified by ABI list discussion. 27220512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall Out << "LDnE"; 27230512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall break; 27240512e48ea1664dd0d3af0dd29bb46bbded040d56John McCall } 2725be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor 2726be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor case Expr::PackExpansionExprClass: 2727be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor Out << "sp"; 2728be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor mangleExpression(cast<PackExpansionExpr>(E)->getPattern()); 2729be230c36e32142cbdcdbe9c97511d097beeecbabDouglas Gregor break; 27302e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor 27312e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor case Expr::SizeOfPackExprClass: { 27322e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor Out << "sZ"; 27332e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor const NamedDecl *Pack = cast<SizeOfPackExpr>(E)->getPack(); 27342e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor if (const TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(Pack)) 27352e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor mangleTemplateParameter(TTP->getIndex()); 27362e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor else if (const NonTypeTemplateParmDecl *NTTP 27372e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor = dyn_cast<NonTypeTemplateParmDecl>(Pack)) 27382e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor mangleTemplateParameter(NTTP->getIndex()); 27392e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor else if (const TemplateTemplateParmDecl *TempTP 27402e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor = dyn_cast<TemplateTemplateParmDecl>(Pack)) 27412e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor mangleTemplateParameter(TempTP->getIndex()); 274291832368ef1c1158c4351bdccaa141dac818f04eDouglas Gregor else 274391832368ef1c1158c4351bdccaa141dac818f04eDouglas Gregor mangleFunctionParam(cast<ParmVarDecl>(Pack)); 2744dfbbcf964a5d51bc01340a6f830cf380f9c0a5a1Douglas Gregor break; 27452e774c4efb24403049f9235c6ce08506cbb8c82aDouglas Gregor } 274603e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor 274703e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor case Expr::MaterializeTemporaryExprClass: { 274803e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor mangleExpression(cast<MaterializeTemporaryExpr>(E)->GetTemporaryExpr()); 274903e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor break; 275003e80030515c800d1ab44125b9052dfffd1bd04cDouglas Gregor } 2751d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson } 27525f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor} 27535f2bfd4811996abb783aa6c7254c56baa6930e8cDouglas Gregor 2754fb44de956f27875def889482b5393475060392afJohn McCall/// Mangle an expression which refers to a parameter variable. 2755fb44de956f27875def889482b5393475060392afJohn McCall/// 2756fb44de956f27875def889482b5393475060392afJohn McCall/// <expression> ::= <function-param> 2757fb44de956f27875def889482b5393475060392afJohn McCall/// <function-param> ::= fp <top-level CV-qualifiers> _ # L == 0, I == 0 2758fb44de956f27875def889482b5393475060392afJohn McCall/// <function-param> ::= fp <top-level CV-qualifiers> 2759fb44de956f27875def889482b5393475060392afJohn McCall/// <parameter-2 non-negative number> _ # L == 0, I > 0 2760fb44de956f27875def889482b5393475060392afJohn McCall/// <function-param> ::= fL <L-1 non-negative number> 2761fb44de956f27875def889482b5393475060392afJohn McCall/// p <top-level CV-qualifiers> _ # L > 0, I == 0 2762fb44de956f27875def889482b5393475060392afJohn McCall/// <function-param> ::= fL <L-1 non-negative number> 2763fb44de956f27875def889482b5393475060392afJohn McCall/// p <top-level CV-qualifiers> 2764fb44de956f27875def889482b5393475060392afJohn McCall/// <I-1 non-negative number> _ # L > 0, I > 0 2765fb44de956f27875def889482b5393475060392afJohn McCall/// 2766fb44de956f27875def889482b5393475060392afJohn McCall/// L is the nesting depth of the parameter, defined as 1 if the 2767fb44de956f27875def889482b5393475060392afJohn McCall/// parameter comes from the innermost function prototype scope 2768fb44de956f27875def889482b5393475060392afJohn McCall/// enclosing the current context, 2 if from the next enclosing 2769fb44de956f27875def889482b5393475060392afJohn McCall/// function prototype scope, and so on, with one special case: if 2770fb44de956f27875def889482b5393475060392afJohn McCall/// we've processed the full parameter clause for the innermost 2771fb44de956f27875def889482b5393475060392afJohn McCall/// function type, then L is one less. This definition conveniently 2772fb44de956f27875def889482b5393475060392afJohn McCall/// makes it irrelevant whether a function's result type was written 2773fb44de956f27875def889482b5393475060392afJohn McCall/// trailing or leading, but is otherwise overly complicated; the 2774fb44de956f27875def889482b5393475060392afJohn McCall/// numbering was first designed without considering references to 2775fb44de956f27875def889482b5393475060392afJohn McCall/// parameter in locations other than return types, and then the 2776fb44de956f27875def889482b5393475060392afJohn McCall/// mangling had to be generalized without changing the existing 2777fb44de956f27875def889482b5393475060392afJohn McCall/// manglings. 2778fb44de956f27875def889482b5393475060392afJohn McCall/// 2779fb44de956f27875def889482b5393475060392afJohn McCall/// I is the zero-based index of the parameter within its parameter 2780fb44de956f27875def889482b5393475060392afJohn McCall/// declaration clause. Note that the original ABI document describes 2781fb44de956f27875def889482b5393475060392afJohn McCall/// this using 1-based ordinals. 2782fb44de956f27875def889482b5393475060392afJohn McCallvoid CXXNameMangler::mangleFunctionParam(const ParmVarDecl *parm) { 2783fb44de956f27875def889482b5393475060392afJohn McCall unsigned parmDepth = parm->getFunctionScopeDepth(); 2784fb44de956f27875def889482b5393475060392afJohn McCall unsigned parmIndex = parm->getFunctionScopeIndex(); 2785fb44de956f27875def889482b5393475060392afJohn McCall 2786fb44de956f27875def889482b5393475060392afJohn McCall // Compute 'L'. 2787fb44de956f27875def889482b5393475060392afJohn McCall // parmDepth does not include the declaring function prototype. 2788fb44de956f27875def889482b5393475060392afJohn McCall // FunctionTypeDepth does account for that. 2789fb44de956f27875def889482b5393475060392afJohn McCall assert(parmDepth < FunctionTypeDepth.getDepth()); 2790fb44de956f27875def889482b5393475060392afJohn McCall unsigned nestingDepth = FunctionTypeDepth.getDepth() - parmDepth; 2791fb44de956f27875def889482b5393475060392afJohn McCall if (FunctionTypeDepth.isInResultType()) 2792fb44de956f27875def889482b5393475060392afJohn McCall nestingDepth--; 2793fb44de956f27875def889482b5393475060392afJohn McCall 2794fb44de956f27875def889482b5393475060392afJohn McCall if (nestingDepth == 0) { 2795fb44de956f27875def889482b5393475060392afJohn McCall Out << "fp"; 2796fb44de956f27875def889482b5393475060392afJohn McCall } else { 2797fb44de956f27875def889482b5393475060392afJohn McCall Out << "fL" << (nestingDepth - 1) << 'p'; 2798fb44de956f27875def889482b5393475060392afJohn McCall } 2799fb44de956f27875def889482b5393475060392afJohn McCall 2800fb44de956f27875def889482b5393475060392afJohn McCall // Top-level qualifiers. We don't have to worry about arrays here, 2801fb44de956f27875def889482b5393475060392afJohn McCall // because parameters declared as arrays should already have been 2802fb44de956f27875def889482b5393475060392afJohn McCall // tranformed to have pointer type. FIXME: apparently these don't 2803fb44de956f27875def889482b5393475060392afJohn McCall // get mangled if used as an rvalue of a known non-class type? 2804fb44de956f27875def889482b5393475060392afJohn McCall assert(!parm->getType()->isArrayType() 2805fb44de956f27875def889482b5393475060392afJohn McCall && "parameter's type is still an array type?"); 2806fb44de956f27875def889482b5393475060392afJohn McCall mangleQualifiers(parm->getType().getQualifiers()); 2807fb44de956f27875def889482b5393475060392afJohn McCall 2808fb44de956f27875def889482b5393475060392afJohn McCall // Parameter index. 2809fb44de956f27875def889482b5393475060392afJohn McCall if (parmIndex != 0) { 2810fb44de956f27875def889482b5393475060392afJohn McCall Out << (parmIndex - 1); 2811fb44de956f27875def889482b5393475060392afJohn McCall } 2812fb44de956f27875def889482b5393475060392afJohn McCall Out << '_'; 2813fb44de956f27875def889482b5393475060392afJohn McCall} 2814fb44de956f27875def889482b5393475060392afJohn McCall 28153ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlssonvoid CXXNameMangler::mangleCXXCtorType(CXXCtorType T) { 28163ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson // <ctor-dtor-name> ::= C1 # complete object constructor 28173ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson // ::= C2 # base object constructor 28183ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson // ::= C3 # complete object allocating constructor 28193ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson // 28203ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson switch (T) { 28213ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson case Ctor_Complete: 28223ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson Out << "C1"; 28233ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson break; 28243ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson case Ctor_Base: 28253ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson Out << "C2"; 28263ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson break; 28273ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson case Ctor_CompleteAllocating: 28283ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson Out << "C3"; 28293ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson break; 28303ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson } 28313ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson} 28323ac86b59b03086ce2acc1ddf3b30ffcd18aeeb65Anders Carlsson 283327ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlssonvoid CXXNameMangler::mangleCXXDtorType(CXXDtorType T) { 283427ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson // <ctor-dtor-name> ::= D0 # deleting destructor 283527ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson // ::= D1 # complete object destructor 283627ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson // ::= D2 # base object destructor 283727ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson // 283827ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson switch (T) { 283927ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson case Dtor_Deleting: 284027ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson Out << "D0"; 284127ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson break; 284227ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson case Dtor_Complete: 284327ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson Out << "D1"; 284427ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson break; 284527ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson case Dtor_Base: 284627ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson Out << "D2"; 284727ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson break; 284827ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson } 284927ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson} 285027ae53665f8b00fe4ba21da0fa79a4ce6e0b6cd5Anders Carlsson 28516dbce19fdae4cfae4eb5f826284978e723a04e61John McCallvoid CXXNameMangler::mangleTemplateArgs( 2852b0c3e0909bb04af0bfb82ad01ab6909649d68ccaArgyrios Kyrtzidis const ASTTemplateArgumentListInfo &TemplateArgs) { 28536dbce19fdae4cfae4eb5f826284978e723a04e61John McCall // <template-args> ::= I <template-arg>+ E 28546dbce19fdae4cfae4eb5f826284978e723a04e61John McCall Out << 'I'; 28554f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall for (unsigned i = 0, e = TemplateArgs.NumTemplateArgs; i != e; ++i) 28564f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall mangleTemplateArg(0, TemplateArgs.getTemplateArgs()[i].getArgument()); 28576dbce19fdae4cfae4eb5f826284978e723a04e61John McCall Out << 'E'; 28586dbce19fdae4cfae4eb5f826284978e723a04e61John McCall} 28596dbce19fdae4cfae4eb5f826284978e723a04e61John McCall 286020f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregorvoid CXXNameMangler::mangleTemplateArgs(TemplateName Template, 286120f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor const TemplateArgument *TemplateArgs, 286220f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor unsigned NumTemplateArgs) { 286320f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor if (TemplateDecl *TD = Template.getAsTemplateDecl()) 286420f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor return mangleTemplateArgs(*TD->getTemplateParameters(), TemplateArgs, 286520f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor NumTemplateArgs); 2866c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 28674f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall mangleUnresolvedTemplateArgs(TemplateArgs, NumTemplateArgs); 28684f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall} 28694f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall 28704f4e413f282609d4a488b44fc8669c28636a7abaJohn McCallvoid CXXNameMangler::mangleUnresolvedTemplateArgs(const TemplateArgument *args, 28714f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall unsigned numArgs) { 287220f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor // <template-args> ::= I <template-arg>+ E 287320f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor Out << 'I'; 28744f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall for (unsigned i = 0; i != numArgs; ++i) 28754f4e413f282609d4a488b44fc8669c28636a7abaJohn McCall mangleTemplateArg(0, args[i]); 287620f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor Out << 'E'; 287720f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor} 287820f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor 2879d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindolavoid CXXNameMangler::mangleTemplateArgs(const TemplateParameterList &PL, 2880d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola const TemplateArgumentList &AL) { 28817a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson // <template-args> ::= I <template-arg>+ E 288235f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Out << 'I'; 2883d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola for (unsigned i = 0, e = AL.size(); i != e; ++i) 2884d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangleTemplateArg(PL.getParam(i), AL[i]); 288535f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Out << 'E'; 28867a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson} 28877a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson 2888d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindolavoid CXXNameMangler::mangleTemplateArgs(const TemplateParameterList &PL, 2889d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola const TemplateArgument *TemplateArgs, 28907624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson unsigned NumTemplateArgs) { 28917624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson // <template-args> ::= I <template-arg>+ E 289235f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Out << 'I'; 28937e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar for (unsigned i = 0; i != NumTemplateArgs; ++i) 2894d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangleTemplateArg(PL.getParam(i), TemplateArgs[i]); 289535f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Out << 'E'; 28967624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson} 28977624f219388f2434a4988ba2508a6ca7b57ba1c3Anders Carlsson 2898d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindolavoid CXXNameMangler::mangleTemplateArg(const NamedDecl *P, 2899f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor TemplateArgument A) { 29001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // <template-arg> ::= <type> # type or template 29017a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson // ::= X <expression> E # expression 29027a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson // ::= <expr-primary> # simple expressions 29034fc4866945de9b0f1f77a17557060f0ff959b0b1Douglas Gregor // ::= J <template-arg>* E # argument pack 2904f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor // ::= sp <expression> # pack expansion of (C++0x) 2905f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor if (!A.isInstantiationDependent() || A.isDependent()) 2906f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor A = Context.getASTContext().getCanonicalTemplateArgument(A); 2907f1588660c109610e6a79c786b83b7c9bbd6ed31eDouglas Gregor 29087a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson switch (A.getKind()) { 2909f90b27ad077c3339b62befc892382845339f9490Douglas Gregor case TemplateArgument::Null: 2910f90b27ad077c3339b62befc892382845339f9490Douglas Gregor llvm_unreachable("Cannot mangle NULL template argument"); 2911f90b27ad077c3339b62befc892382845339f9490Douglas Gregor 29127a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson case TemplateArgument::Type: 29137a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson mangleType(A.getAsType()); 29147a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson break; 29159e85c743a4cefff7386764bba3f3f2cdbe5c06e2Anders Carlsson case TemplateArgument::Template: 2916b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall // This is mangled as <type>. 2917b6f532e2b03dbbfd97a37a7bb845fe23f8136889John McCall mangleType(A.getAsTemplate()); 2918193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam break; 2919a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor case TemplateArgument::TemplateExpansion: 29204fc4866945de9b0f1f77a17557060f0ff959b0b1Douglas Gregor // <type> ::= Dp <type> # pack expansion (C++0x) 2921a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor Out << "Dp"; 2922a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor mangleType(A.getAsTemplateOrTemplatePattern()); 2923a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor break; 2924092beef87b367e62f96c0057118ba540777de452John McCall case TemplateArgument::Expression: { 2925092beef87b367e62f96c0057118ba540777de452John McCall // It's possible to end up with a DeclRefExpr here in certain 2926092beef87b367e62f96c0057118ba540777de452John McCall // dependent cases, in which case we should mangle as a 2927092beef87b367e62f96c0057118ba540777de452John McCall // declaration. 2928092beef87b367e62f96c0057118ba540777de452John McCall const Expr *E = A.getAsExpr()->IgnoreParens(); 2929092beef87b367e62f96c0057118ba540777de452John McCall if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(E)) { 2930092beef87b367e62f96c0057118ba540777de452John McCall const ValueDecl *D = DRE->getDecl(); 2931092beef87b367e62f96c0057118ba540777de452John McCall if (isa<VarDecl>(D) || isa<FunctionDecl>(D)) { 2932092beef87b367e62f96c0057118ba540777de452John McCall Out << "L"; 2933092beef87b367e62f96c0057118ba540777de452John McCall mangle(D, "_Z"); 2934092beef87b367e62f96c0057118ba540777de452John McCall Out << 'E'; 2935092beef87b367e62f96c0057118ba540777de452John McCall break; 2936092beef87b367e62f96c0057118ba540777de452John McCall } 2937092beef87b367e62f96c0057118ba540777de452John McCall } 2938092beef87b367e62f96c0057118ba540777de452John McCall 2939d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson Out << 'X'; 2940092beef87b367e62f96c0057118ba540777de452John McCall mangleExpression(E); 2941d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson Out << 'E'; 2942d553f8c57fc77a46f6a1a1c90d7fd8f2d0e96073Anders Carlsson break; 2943092beef87b367e62f96c0057118ba540777de452John McCall } 2944e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson case TemplateArgument::Integral: 2945e170ba7846bc4cae4b376b52eb4448645c141e59Anders Carlsson mangleIntegerLiteral(A.getIntegralType(), *A.getAsIntegral()); 29467e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar break; 29477e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar case TemplateArgument::Declaration: { 294820f0cc7a0f0c4a941fa0c57b9516c2d455b64a64Douglas Gregor assert(P && "Missing template parameter for declaration argument"); 29497e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar // <expr-primary> ::= L <mangled-name> E # external name 29501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2951d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola // Clang produces AST's where pointer-to-member-function expressions 29527e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar // and pointer-to-function expressions are represented as a declaration not 2953d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola // an expression. We compensate for it here to produce the correct mangling. 2954d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola NamedDecl *D = cast<NamedDecl>(A.getAsDecl()); 2955d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola const NonTypeTemplateParmDecl *Parameter = cast<NonTypeTemplateParmDecl>(P); 2956c0a455942453a37dd7db83eb354f40a49872ab06John McCall bool compensateMangling = !Parameter->getType()->isReferenceType(); 2957d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola if (compensateMangling) { 2958d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola Out << 'X'; 2959d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangleOperatorName(OO_Amp, 1); 2960d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola } 2961d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola 29627e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar Out << 'L'; 29637e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar // References to external entities use the mangled name; if the name would 29647e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar // not normally be manged then mangle it as unqualified. 29657e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar // 29667e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar // FIXME: The ABI specifies that external names here should have _Z, but 29677e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar // gcc leaves this off. 2968d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola if (compensateMangling) 2969d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangle(D, "_Z"); 2970d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola else 2971d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola mangle(D, "Z"); 29727a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson Out << 'E'; 2973d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola 2974d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola if (compensateMangling) 2975d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola Out << 'E'; 2976d9800728cc3e7f478eec4d4b19af5b808ac51942Rafael Espindola 29777a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson break; 29787a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson } 2979f90b27ad077c3339b62befc892382845339f9490Douglas Gregor 2980f90b27ad077c3339b62befc892382845339f9490Douglas Gregor case TemplateArgument::Pack: { 2981f90b27ad077c3339b62befc892382845339f9490Douglas Gregor // Note: proposal by Mike Herrick on 12/20/10 2982f90b27ad077c3339b62befc892382845339f9490Douglas Gregor Out << 'J'; 2983f90b27ad077c3339b62befc892382845339f9490Douglas Gregor for (TemplateArgument::pack_iterator PA = A.pack_begin(), 2984f90b27ad077c3339b62befc892382845339f9490Douglas Gregor PAEnd = A.pack_end(); 2985f90b27ad077c3339b62befc892382845339f9490Douglas Gregor PA != PAEnd; ++PA) 2986f90b27ad077c3339b62befc892382845339f9490Douglas Gregor mangleTemplateArg(P, *PA); 2987f90b27ad077c3339b62befc892382845339f9490Douglas Gregor Out << 'E'; 2988f90b27ad077c3339b62befc892382845339f9490Douglas Gregor } 29897e0c1957d19ab012e372c1e5e75a9264e3bacf41Daniel Dunbar } 29907a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson} 29917a0ba875a7dcee94ec74fa79b7f8a247d200a76cAnders Carlsson 29920ccdf8d62cba2ad730001f133b6cc4836c42da83Anders Carlssonvoid CXXNameMangler::mangleTemplateParameter(unsigned Index) { 29930ccdf8d62cba2ad730001f133b6cc4836c42da83Anders Carlsson // <template-param> ::= T_ # first template parameter 29940ccdf8d62cba2ad730001f133b6cc4836c42da83Anders Carlsson // ::= T <parameter-2 non-negative number> _ 29950ccdf8d62cba2ad730001f133b6cc4836c42da83Anders Carlsson if (Index == 0) 29960ccdf8d62cba2ad730001f133b6cc4836c42da83Anders Carlsson Out << "T_"; 29970ccdf8d62cba2ad730001f133b6cc4836c42da83Anders Carlsson else 29980ccdf8d62cba2ad730001f133b6cc4836c42da83Anders Carlsson Out << 'T' << (Index - 1) << '_'; 29990ccdf8d62cba2ad730001f133b6cc4836c42da83Anders Carlsson} 30000ccdf8d62cba2ad730001f133b6cc4836c42da83Anders Carlsson 300168a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCallvoid CXXNameMangler::mangleExistingSubstitution(QualType type) { 300268a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall bool result = mangleSubstitution(type); 300368a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall assert(result && "no existing substitution for type"); 300468a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall (void) result; 300568a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall} 300668a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall 300768a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCallvoid CXXNameMangler::mangleExistingSubstitution(TemplateName tname) { 300868a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall bool result = mangleSubstitution(tname); 300968a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall assert(result && "no existing substitution for template name"); 301068a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall (void) result; 301168a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall} 301268a51a7f9c01ccbe7232d41beeb4deb26f40b013John McCall 30137696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson// <substitution> ::= S <seq-id> _ 30147696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson// ::= S_ 30156862fc720b8e35ee4408822b2390020f263646b2Anders Carlssonbool CXXNameMangler::mangleSubstitution(const NamedDecl *ND) { 3016e7c8cb6b2728aa98258288d221b09bc66cc05543Anders Carlsson // Try one of the standard substitutions first. 3017e7c8cb6b2728aa98258288d221b09bc66cc05543Anders Carlsson if (mangleStandardSubstitution(ND)) 3018e7c8cb6b2728aa98258288d221b09bc66cc05543Anders Carlsson return true; 30193c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 3020433d1374409a8eeaa4b0975fa187a542d5e40c23Anders Carlsson ND = cast<NamedDecl>(ND->getCanonicalDecl()); 30216862fc720b8e35ee4408822b2390020f263646b2Anders Carlsson return mangleSubstitution(reinterpret_cast<uintptr_t>(ND)); 30226862fc720b8e35ee4408822b2390020f263646b2Anders Carlsson} 30236862fc720b8e35ee4408822b2390020f263646b2Anders Carlsson 302414795c86f1c37874afa332a7b9bc18e6a02bf420Douglas Gregor/// \brief Determine whether the given type has any qualifiers that are 302514795c86f1c37874afa332a7b9bc18e6a02bf420Douglas Gregor/// relevant for substitutions. 302614795c86f1c37874afa332a7b9bc18e6a02bf420Douglas Gregorstatic bool hasMangledSubstitutionQualifiers(QualType T) { 302714795c86f1c37874afa332a7b9bc18e6a02bf420Douglas Gregor Qualifiers Qs = T.getQualifiers(); 302814795c86f1c37874afa332a7b9bc18e6a02bf420Douglas Gregor return Qs.getCVRQualifiers() || Qs.hasAddressSpace(); 302914795c86f1c37874afa332a7b9bc18e6a02bf420Douglas Gregor} 303014795c86f1c37874afa332a7b9bc18e6a02bf420Douglas Gregor 30317696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlssonbool CXXNameMangler::mangleSubstitution(QualType T) { 303214795c86f1c37874afa332a7b9bc18e6a02bf420Douglas Gregor if (!hasMangledSubstitutionQualifiers(T)) { 3033d99edc44300b36732a14c294c93899ba28d479eaAnders Carlsson if (const RecordType *RT = T->getAs<RecordType>()) 3034d99edc44300b36732a14c294c93899ba28d479eaAnders Carlsson return mangleSubstitution(RT->getDecl()); 3035d99edc44300b36732a14c294c93899ba28d479eaAnders Carlsson } 30363c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 30377696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson uintptr_t TypePtr = reinterpret_cast<uintptr_t>(T.getAsOpaquePtr()); 30387696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson 3039d3a932a2980eef3c3ea2cd28f7946a185215d4e1Anders Carlsson return mangleSubstitution(TypePtr); 3040d3a932a2980eef3c3ea2cd28f7946a185215d4e1Anders Carlsson} 3041d3a932a2980eef3c3ea2cd28f7946a185215d4e1Anders Carlsson 30421e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregorbool CXXNameMangler::mangleSubstitution(TemplateName Template) { 30431e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor if (TemplateDecl *TD = Template.getAsTemplateDecl()) 30441e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor return mangleSubstitution(TD); 3045c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 30461e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor Template = Context.getASTContext().getCanonicalTemplateName(Template); 30471e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor return mangleSubstitution( 30481e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor reinterpret_cast<uintptr_t>(Template.getAsVoidPointer())); 30491e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor} 30501e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor 3051d3a932a2980eef3c3ea2cd28f7946a185215d4e1Anders Carlssonbool CXXNameMangler::mangleSubstitution(uintptr_t Ptr) { 305235f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer llvm::DenseMap<uintptr_t, unsigned>::iterator I = Substitutions.find(Ptr); 30537696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson if (I == Substitutions.end()) 30547696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson return false; 30553c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 30567696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson unsigned SeqID = I->second; 30577696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson if (SeqID == 0) 30587696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson Out << "S_"; 30597696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson else { 30607696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson SeqID--; 30613c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 30627696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson // <seq-id> is encoded in base-36, using digits and upper case letters. 30637696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson char Buffer[10]; 306435f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer char *BufferPtr = llvm::array_endof(Buffer); 30653c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 30667696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson if (SeqID == 0) *--BufferPtr = '0'; 30673c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 30687696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson while (SeqID) { 30697696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson assert(BufferPtr > Buffer && "Buffer overflow!"); 30703c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 30716ab30e0c027458ff5293b898204ac2d1a789668eJohn McCall char c = static_cast<char>(SeqID % 36); 30723c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 30737696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson *--BufferPtr = (c < 10 ? '0' + c : 'A' + c - 10); 30747696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson SeqID /= 36; 30757696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson } 30763c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 307735f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Out << 'S' 30785f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner << StringRef(BufferPtr, llvm::array_endof(Buffer)-BufferPtr) 307935f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer << '_'; 30807696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson } 30813c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 30827696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson return true; 30837696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson} 30847696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson 3085f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlssonstatic bool isCharType(QualType T) { 3086f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (T.isNull()) 3087f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return false; 30883c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 3089f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return T->isSpecificBuiltinType(BuiltinType::Char_S) || 3090f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson T->isSpecificBuiltinType(BuiltinType::Char_U); 3091f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson} 3092f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson 30933c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar/// isCharSpecialization - Returns whether a given type is a template 3094f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson/// specialization of a given name with a single argument of type char. 3095f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlssonstatic bool isCharSpecialization(QualType T, const char *Name) { 3096f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (T.isNull()) 3097f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return false; 30983c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 3099f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson const RecordType *RT = T->getAs<RecordType>(); 3100f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (!RT) 3101f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return false; 31023c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 31033c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar const ClassTemplateSpecializationDecl *SD = 3104f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson dyn_cast<ClassTemplateSpecializationDecl>(RT->getDecl()); 3105f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (!SD) 3106f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return false; 3107f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson 3108f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (!isStdNamespace(SD->getDeclContext())) 3109f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return false; 31103c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 3111f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson const TemplateArgumentList &TemplateArgs = SD->getTemplateArgs(); 3112f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (TemplateArgs.size() != 1) 3113f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return false; 31143c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 3115f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (!isCharType(TemplateArgs[0].getAsType())) 3116f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return false; 31173c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 311801eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar return SD->getIdentifier()->getName() == Name; 3119f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson} 3120f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson 312191f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlssontemplate <std::size_t StrLen> 312254353f48939327a4aa41ea3f3ec07b936bd02ef5Benjamin Kramerstatic bool isStreamCharSpecialization(const ClassTemplateSpecializationDecl*SD, 312354353f48939327a4aa41ea3f3ec07b936bd02ef5Benjamin Kramer const char (&Str)[StrLen]) { 312491f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson if (!SD->getIdentifier()->isStr(Str)) 312591f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson return false; 3126193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 312791f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson const TemplateArgumentList &TemplateArgs = SD->getTemplateArgs(); 312891f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson if (TemplateArgs.size() != 2) 312991f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson return false; 3130193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 313191f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson if (!isCharType(TemplateArgs[0].getAsType())) 313291f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson return false; 3133193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 313491f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson if (!isCharSpecialization(TemplateArgs[1].getAsType(), "char_traits")) 313591f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson return false; 3136193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 313791f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson return true; 313891f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson} 3139193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 3140e7c8cb6b2728aa98258288d221b09bc66cc05543Anders Carlssonbool CXXNameMangler::mangleStandardSubstitution(const NamedDecl *ND) { 3141e7c8cb6b2728aa98258288d221b09bc66cc05543Anders Carlsson // <substitution> ::= St # ::std:: 31428c0315563f05a9face7209221325019e272075fbAnders Carlsson if (const NamespaceDecl *NS = dyn_cast<NamespaceDecl>(ND)) { 314347846d2b4c19972e57563bb05a777748939bfb47Anders Carlsson if (isStd(NS)) { 31448c0315563f05a9face7209221325019e272075fbAnders Carlsson Out << "St"; 31458c0315563f05a9face7209221325019e272075fbAnders Carlsson return true; 31468c0315563f05a9face7209221325019e272075fbAnders Carlsson } 31478c0315563f05a9face7209221325019e272075fbAnders Carlsson } 31488c0315563f05a9face7209221325019e272075fbAnders Carlsson 31498c0315563f05a9face7209221325019e272075fbAnders Carlsson if (const ClassTemplateDecl *TD = dyn_cast<ClassTemplateDecl>(ND)) { 31508c0315563f05a9face7209221325019e272075fbAnders Carlsson if (!isStdNamespace(TD->getDeclContext())) 31518c0315563f05a9face7209221325019e272075fbAnders Carlsson return false; 31523c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 31538c0315563f05a9face7209221325019e272075fbAnders Carlsson // <substitution> ::= Sa # ::std::allocator 31548c0315563f05a9face7209221325019e272075fbAnders Carlsson if (TD->getIdentifier()->isStr("allocator")) { 31558c0315563f05a9face7209221325019e272075fbAnders Carlsson Out << "Sa"; 31568c0315563f05a9face7209221325019e272075fbAnders Carlsson return true; 31578c0315563f05a9face7209221325019e272075fbAnders Carlsson } 31583c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 3159189d59cfc762d0f683b9253ddec2cf519ec85b65Anders Carlsson // <<substitution> ::= Sb # ::std::basic_string 3160189d59cfc762d0f683b9253ddec2cf519ec85b65Anders Carlsson if (TD->getIdentifier()->isStr("basic_string")) { 3161189d59cfc762d0f683b9253ddec2cf519ec85b65Anders Carlsson Out << "Sb"; 3162189d59cfc762d0f683b9253ddec2cf519ec85b65Anders Carlsson return true; 3163189d59cfc762d0f683b9253ddec2cf519ec85b65Anders Carlsson } 31648c0315563f05a9face7209221325019e272075fbAnders Carlsson } 31653c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 31663c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar if (const ClassTemplateSpecializationDecl *SD = 3167f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson dyn_cast<ClassTemplateSpecializationDecl>(ND)) { 31685370ee2389aa9ba8da3274911003631d66f9f1bdEli Friedman if (!isStdNamespace(SD->getDeclContext())) 31695370ee2389aa9ba8da3274911003631d66f9f1bdEli Friedman return false; 31705370ee2389aa9ba8da3274911003631d66f9f1bdEli Friedman 3171f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson // <substitution> ::= Ss # ::std::basic_string<char, 3172f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson // ::std::char_traits<char>, 3173f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson // ::std::allocator<char> > 3174f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (SD->getIdentifier()->isStr("basic_string")) { 3175f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson const TemplateArgumentList &TemplateArgs = SD->getTemplateArgs(); 31763c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 3177f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (TemplateArgs.size() != 3) 3178f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return false; 31793c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 3180f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (!isCharType(TemplateArgs[0].getAsType())) 3181f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return false; 31823c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 3183f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (!isCharSpecialization(TemplateArgs[1].getAsType(), "char_traits")) 3184f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return false; 31853c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 3186f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson if (!isCharSpecialization(TemplateArgs[2].getAsType(), "allocator")) 3187f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return false; 3188f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson 3189f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson Out << "Ss"; 3190f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson return true; 3191f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson } 31923c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 319391f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson // <substitution> ::= Si # ::std::basic_istream<char, 31948f8fd8ea7e5c5d04f95a3cf4af95aa93225bc2b4Anders Carlsson // ::std::char_traits<char> > 319591f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson if (isStreamCharSpecialization(SD, "basic_istream")) { 319691f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson Out << "Si"; 319791f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson return true; 319891f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson } 31998f8fd8ea7e5c5d04f95a3cf4af95aa93225bc2b4Anders Carlsson 320091f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson // <substitution> ::= So # ::std::basic_ostream<char, 320191f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson // ::std::char_traits<char> > 320291f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson if (isStreamCharSpecialization(SD, "basic_ostream")) { 32038f8fd8ea7e5c5d04f95a3cf4af95aa93225bc2b4Anders Carlsson Out << "So"; 32048f8fd8ea7e5c5d04f95a3cf4af95aa93225bc2b4Anders Carlsson return true; 32058f8fd8ea7e5c5d04f95a3cf4af95aa93225bc2b4Anders Carlsson } 3206193575455e00eca03fd7177f60e3f2e6263cb661Kovarththanan Rajaratnam 320791f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson // <substitution> ::= Sd # ::std::basic_iostream<char, 320891f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson // ::std::char_traits<char> > 320991f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson if (isStreamCharSpecialization(SD, "basic_iostream")) { 321091f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson Out << "Sd"; 321191f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson return true; 321291f8860de5f4280607e74c9d653751cd3f891ca7Anders Carlsson } 3213f514b544b24926834adbfe8265a72ed8b9b09d81Anders Carlsson } 32148c0315563f05a9face7209221325019e272075fbAnders Carlsson return false; 3215e7c8cb6b2728aa98258288d221b09bc66cc05543Anders Carlsson} 3216e7c8cb6b2728aa98258288d221b09bc66cc05543Anders Carlsson 32177696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlssonvoid CXXNameMangler::addSubstitution(QualType T) { 321814795c86f1c37874afa332a7b9bc18e6a02bf420Douglas Gregor if (!hasMangledSubstitutionQualifiers(T)) { 3219d99edc44300b36732a14c294c93899ba28d479eaAnders Carlsson if (const RecordType *RT = T->getAs<RecordType>()) { 3220d99edc44300b36732a14c294c93899ba28d479eaAnders Carlsson addSubstitution(RT->getDecl()); 3221d99edc44300b36732a14c294c93899ba28d479eaAnders Carlsson return; 3222d99edc44300b36732a14c294c93899ba28d479eaAnders Carlsson } 3223d99edc44300b36732a14c294c93899ba28d479eaAnders Carlsson } 32243c9e463762243affcb0223d853ba10e07e321747Daniel Dunbar 32257696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson uintptr_t TypePtr = reinterpret_cast<uintptr_t>(T.getAsOpaquePtr()); 3226d3a932a2980eef3c3ea2cd28f7946a185215d4e1Anders Carlsson addSubstitution(TypePtr); 3227d3a932a2980eef3c3ea2cd28f7946a185215d4e1Anders Carlsson} 3228d3a932a2980eef3c3ea2cd28f7946a185215d4e1Anders Carlsson 32291e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregorvoid CXXNameMangler::addSubstitution(TemplateName Template) { 32301e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor if (TemplateDecl *TD = Template.getAsTemplateDecl()) 32311e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor return addSubstitution(TD); 3232c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 32331e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor Template = Context.getASTContext().getCanonicalTemplateName(Template); 32341e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor addSubstitution(reinterpret_cast<uintptr_t>(Template.getAsVoidPointer())); 32351e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor} 32361e9268e29798155b9edb5b20ac7490d8539ef6aaDouglas Gregor 3237d3a932a2980eef3c3ea2cd28f7946a185215d4e1Anders Carlssonvoid CXXNameMangler::addSubstitution(uintptr_t Ptr) { 3238d3a932a2980eef3c3ea2cd28f7946a185215d4e1Anders Carlsson assert(!Substitutions.count(Ptr) && "Substitution already exists!"); 32399d85b7203b4cb638e45e64e8378338aa256699cdAnders Carlsson Substitutions[Ptr] = SeqID++; 32407696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson} 32417696737d41321cf20aef1aab1454872f2ff7a1c8Anders Carlsson 32421b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar// 32431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32441b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar/// \brief Mangles the name of the declaration D and emits that name to the 32451b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar/// given output stream. 32461b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar/// 32471b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar/// If the declaration D requires a mangled name, this routine will emit that 32481b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar/// mangled name to \p os and return true. Otherwise, \p os will be unchanged 32491b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar/// and this routine will return false. In this case, the caller should just 32501b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar/// emit the identifier of the declaration (\c D->getIdentifier()) as its 32511b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar/// name. 325214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournevoid ItaniumMangleContext::mangleName(const NamedDecl *D, 32535f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 3254c02ab4c76d7f8e672cda266436d64dd23bd2ad26Daniel Dunbar assert((isa<FunctionDecl>(D) || isa<VarDecl>(D)) && 3255c02ab4c76d7f8e672cda266436d64dd23bd2ad26Daniel Dunbar "Invalid mangleName() call, argument is not a variable or function!"); 3256c02ab4c76d7f8e672cda266436d64dd23bd2ad26Daniel Dunbar assert(!isa<CXXConstructorDecl>(D) && !isa<CXXDestructorDecl>(D) && 3257c02ab4c76d7f8e672cda266436d64dd23bd2ad26Daniel Dunbar "Invalid mangleName() call on 'structor decl!"); 32581b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar 32591b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar PrettyStackTraceDecl CrashInfo(D, SourceLocation(), 32601b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar getASTContext().getSourceManager(), 32611b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar "Mangling declaration"); 32621b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar 3263fb44de956f27875def889482b5393475060392afJohn McCall CXXNameMangler Mangler(*this, Out, D); 326494fd26de3ae77f29496ca22d5276b2fb71b2311dDaniel Dunbar return Mangler.mangle(D); 32651b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar} 32661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 326714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournevoid ItaniumMangleContext::mangleCXXCtor(const CXXConstructorDecl *D, 326814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne CXXCtorType Type, 32695f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 3270c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola CXXNameMangler Mangler(*this, Out, D, Type); 3271c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.mangle(D); 3272c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar} 3273c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar 327414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournevoid ItaniumMangleContext::mangleCXXDtor(const CXXDestructorDecl *D, 327514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne CXXDtorType Type, 32765f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 3277c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola CXXNameMangler Mangler(*this, Out, D, Type); 3278c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.mangle(D); 3279c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar} 3280c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar 328114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournevoid ItaniumMangleContext::mangleThunk(const CXXMethodDecl *MD, 328214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne const ThunkInfo &Thunk, 32835f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 328419879c98d964bc67442618510af04e3457219780Anders Carlsson // <special-name> ::= T <call-offset> <base encoding> 328519879c98d964bc67442618510af04e3457219780Anders Carlsson // # base is the nominal target function of thunk 328619879c98d964bc67442618510af04e3457219780Anders Carlsson // <special-name> ::= Tc <call-offset> <call-offset> <base encoding> 328719879c98d964bc67442618510af04e3457219780Anders Carlsson // # base is the nominal target function of thunk 328819879c98d964bc67442618510af04e3457219780Anders Carlsson // # first call-offset is 'this' adjustment 328919879c98d964bc67442618510af04e3457219780Anders Carlsson // # second call-offset is result adjustment 3290c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 329119879c98d964bc67442618510af04e3457219780Anders Carlsson assert(!isa<CXXDestructorDecl>(MD) && 329219879c98d964bc67442618510af04e3457219780Anders Carlsson "Use mangleCXXDtor for destructor decls!"); 3293c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola CXXNameMangler Mangler(*this, Out); 329419879c98d964bc67442618510af04e3457219780Anders Carlsson Mangler.getStream() << "_ZT"; 329519879c98d964bc67442618510af04e3457219780Anders Carlsson if (!Thunk.Return.isEmpty()) 329619879c98d964bc67442618510af04e3457219780Anders Carlsson Mangler.getStream() << 'c'; 3297c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 329819879c98d964bc67442618510af04e3457219780Anders Carlsson // Mangle the 'this' pointer adjustment. 329919879c98d964bc67442618510af04e3457219780Anders Carlsson Mangler.mangleCallOffset(Thunk.This.NonVirtual, Thunk.This.VCallOffsetOffset); 3300c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 330119879c98d964bc67442618510af04e3457219780Anders Carlsson // Mangle the return pointer adjustment if there is one. 330219879c98d964bc67442618510af04e3457219780Anders Carlsson if (!Thunk.Return.isEmpty()) 330319879c98d964bc67442618510af04e3457219780Anders Carlsson Mangler.mangleCallOffset(Thunk.Return.NonVirtual, 330419879c98d964bc67442618510af04e3457219780Anders Carlsson Thunk.Return.VBaseOffsetOffset); 3305c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt 330619879c98d964bc67442618510af04e3457219780Anders Carlsson Mangler.mangleFunctionEncoding(MD); 330719879c98d964bc67442618510af04e3457219780Anders Carlsson} 330819879c98d964bc67442618510af04e3457219780Anders Carlsson 3309c302113179a1c2b1254224ea9b6f5316ceeb375cSean Huntvoid 331014110477887e3dc168ffc6c191e72d705051f99ePeter CollingbourneItaniumMangleContext::mangleCXXDtorThunk(const CXXDestructorDecl *DD, 331114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne CXXDtorType Type, 331214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne const ThisAdjustment &ThisAdjustment, 33135f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 331419879c98d964bc67442618510af04e3457219780Anders Carlsson // <special-name> ::= T <call-offset> <base encoding> 331519879c98d964bc67442618510af04e3457219780Anders Carlsson // # base is the nominal target function of thunk 3316c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola CXXNameMangler Mangler(*this, Out, DD, Type); 331719879c98d964bc67442618510af04e3457219780Anders Carlsson Mangler.getStream() << "_ZT"; 331819879c98d964bc67442618510af04e3457219780Anders Carlsson 331919879c98d964bc67442618510af04e3457219780Anders Carlsson // Mangle the 'this' pointer adjustment. 3320c302113179a1c2b1254224ea9b6f5316ceeb375cSean Hunt Mangler.mangleCallOffset(ThisAdjustment.NonVirtual, 332119879c98d964bc67442618510af04e3457219780Anders Carlsson ThisAdjustment.VCallOffsetOffset); 332219879c98d964bc67442618510af04e3457219780Anders Carlsson 332319879c98d964bc67442618510af04e3457219780Anders Carlsson Mangler.mangleFunctionEncoding(DD); 332419879c98d964bc67442618510af04e3457219780Anders Carlsson} 332519879c98d964bc67442618510af04e3457219780Anders Carlsson 33261b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar/// mangleGuardVariable - Returns the mangled name for a guard variable 33271b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar/// for the passed in VarDecl. 332814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournevoid ItaniumMangleContext::mangleItaniumGuardVariable(const VarDecl *D, 33295f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 3330c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar // <special-name> ::= GV <object name> # Guard variable for one-time 3331c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar // # initialization 3332c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola CXXNameMangler Mangler(*this, Out); 3333c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.getStream() << "_ZGV"; 3334c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.mangleName(D); 33351b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar} 3336738f8c278da5950d0d4607de2debe0bdfad64185Mike Stump 333714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournevoid ItaniumMangleContext::mangleReferenceTemporary(const VarDecl *D, 33385f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 3339715edf293698f40e600df65e18e48c70a29fc98cAnders Carlsson // We match the GCC mangling here. 3340715edf293698f40e600df65e18e48c70a29fc98cAnders Carlsson // <special-name> ::= GR <object name> 3341c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola CXXNameMangler Mangler(*this, Out); 3342715edf293698f40e600df65e18e48c70a29fc98cAnders Carlsson Mangler.getStream() << "_ZGR"; 3343715edf293698f40e600df65e18e48c70a29fc98cAnders Carlsson Mangler.mangleName(D); 3344715edf293698f40e600df65e18e48c70a29fc98cAnders Carlsson} 3345715edf293698f40e600df65e18e48c70a29fc98cAnders Carlsson 334614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournevoid ItaniumMangleContext::mangleCXXVTable(const CXXRecordDecl *RD, 33475f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 3348c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar // <special-name> ::= TV <type> # virtual table 3349c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola CXXNameMangler Mangler(*this, Out); 3350c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.getStream() << "_ZTV"; 33511b12a3bb4d4c0db74fc97be724beefec7366b460Douglas Gregor Mangler.mangleNameOrStandardSubstitution(RD); 33521b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar} 335382d75b01f23b407e56836e305107c8008037ba35Mike Stump 335414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournevoid ItaniumMangleContext::mangleCXXVTT(const CXXRecordDecl *RD, 33555f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 3356c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar // <special-name> ::= TT <type> # VTT structure 3357c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola CXXNameMangler Mangler(*this, Out); 3358c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.getStream() << "_ZTT"; 33591b12a3bb4d4c0db74fc97be724beefec7366b460Douglas Gregor Mangler.mangleNameOrStandardSubstitution(RD); 33601b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar} 3361ab3f7e9f5b81832da2b3633b3c0fcffff2907d40Mike Stump 336214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournevoid ItaniumMangleContext::mangleCXXCtorVTable(const CXXRecordDecl *RD, 336314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne int64_t Offset, 336414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne const CXXRecordDecl *Type, 33655f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 3366c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar // <special-name> ::= TC <type> <offset number> _ <base type> 3367c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola CXXNameMangler Mangler(*this, Out); 3368c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.getStream() << "_ZTC"; 33691b12a3bb4d4c0db74fc97be724beefec7366b460Douglas Gregor Mangler.mangleNameOrStandardSubstitution(RD); 3370c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.getStream() << Offset; 337135f59b64b497e181f8dbd2a36e35b5e2919e7b1dBenjamin Kramer Mangler.getStream() << '_'; 33721b12a3bb4d4c0db74fc97be724beefec7366b460Douglas Gregor Mangler.mangleNameOrStandardSubstitution(Type); 33731b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar} 337467795980157a48b51a59737a9478470eb0871dbbMike Stump 337514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournevoid ItaniumMangleContext::mangleCXXRTTI(QualType Ty, 33765f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 3377c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar // <special-name> ::= TI <type> # typeinfo structure 3378154fe9812faddcd94568a64aee5f3cb0d47003d9Douglas Gregor assert(!Ty.hasQualifiers() && "RTTI info cannot have top-level qualifiers"); 3379c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola CXXNameMangler Mangler(*this, Out); 3380c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.getStream() << "_ZTI"; 3381c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.mangleType(Ty); 33821b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar} 33831b0771170921b9e752a50ea2cf87814bff92c834Daniel Dunbar 338414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbournevoid ItaniumMangleContext::mangleCXXRTTIName(QualType Ty, 33855f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner raw_ostream &Out) { 3386c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar // <special-name> ::= TS <type> # typeinfo name (null terminated byte string) 3387c4850c2aa4c281a352e228aafc51fb1e30dcad02Rafael Espindola CXXNameMangler Mangler(*this, Out); 3388c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.getStream() << "_ZTS"; 3389c074771f7ff302dd96e2caa3c29ab6c94bef9f3bDaniel Dunbar Mangler.mangleType(Ty); 3390f121677b6bbbf4e4a51ee7a1120b77adf187bad4Mike Stump} 339114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 339214110477887e3dc168ffc6c191e72d705051f99ePeter CollingbourneMangleContext *clang::createItaniumMangleContext(ASTContext &Context, 3393d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie DiagnosticsEngine &Diags) { 339414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return new ItaniumMangleContext(Context, Diags); 339514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne} 3396