Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1 | //===--- MicrosoftMangle.cpp - Microsoft Visual C++ Name Mangling ---------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This provides C++ name mangling targeting the Microsoft Visual C++ ABI. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "clang/AST/Mangle.h" |
| 15 | #include "clang/AST/ASTContext.h" |
| 16 | #include "clang/AST/Attr.h" |
| 17 | #include "clang/AST/CharUnits.h" |
| 18 | #include "clang/AST/Decl.h" |
| 19 | #include "clang/AST/DeclCXX.h" |
| 20 | #include "clang/AST/DeclObjC.h" |
| 21 | #include "clang/AST/DeclTemplate.h" |
| 22 | #include "clang/AST/ExprCXX.h" |
| 23 | #include "clang/Basic/ABI.h" |
| 24 | #include "clang/Basic/DiagnosticOptions.h" |
Reid Kleckner | d6a08d1 | 2013-05-14 20:30:42 +0000 | [diff] [blame] | 25 | #include "clang/Basic/TargetInfo.h" |
Reid Kleckner | f0219cd | 2013-05-22 17:16:39 +0000 | [diff] [blame] | 26 | #include "llvm/ADT/StringMap.h" |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 27 | |
| 28 | using namespace clang; |
| 29 | |
| 30 | namespace { |
| 31 | |
Timur Iskhodzhanov | 59660c2 | 2013-02-13 08:37:51 +0000 | [diff] [blame] | 32 | static const FunctionDecl *getStructor(const FunctionDecl *fn) { |
| 33 | if (const FunctionTemplateDecl *ftd = fn->getPrimaryTemplate()) |
| 34 | return ftd->getTemplatedDecl(); |
| 35 | |
| 36 | return fn; |
| 37 | } |
| 38 | |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 39 | /// MicrosoftCXXNameMangler - Manage the mangling of a single name for the |
| 40 | /// Microsoft Visual C++ ABI. |
| 41 | class MicrosoftCXXNameMangler { |
| 42 | MangleContext &Context; |
| 43 | raw_ostream &Out; |
| 44 | |
Timur Iskhodzhanov | 59660c2 | 2013-02-13 08:37:51 +0000 | [diff] [blame] | 45 | /// The "structor" is the top-level declaration being mangled, if |
| 46 | /// that's not a template specialization; otherwise it's the pattern |
| 47 | /// for that specialization. |
| 48 | const NamedDecl *Structor; |
| 49 | unsigned StructorType; |
| 50 | |
Reid Kleckner | f0219cd | 2013-05-22 17:16:39 +0000 | [diff] [blame] | 51 | typedef llvm::StringMap<unsigned> BackRefMap; |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 52 | BackRefMap NameBackReferences; |
| 53 | bool UseNameBackReferences; |
| 54 | |
| 55 | typedef llvm::DenseMap<void*, unsigned> ArgBackRefMap; |
| 56 | ArgBackRefMap TypeBackReferences; |
| 57 | |
| 58 | ASTContext &getASTContext() const { return Context.getASTContext(); } |
| 59 | |
Reid Kleckner | d6a08d1 | 2013-05-14 20:30:42 +0000 | [diff] [blame] | 60 | // FIXME: If we add support for __ptr32/64 qualifiers, then we should push |
| 61 | // this check into mangleQualifiers(). |
| 62 | const bool PointersAre64Bit; |
| 63 | |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 64 | public: |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 65 | enum QualifierMangleMode { QMM_Drop, QMM_Mangle, QMM_Escape, QMM_Result }; |
| 66 | |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 67 | MicrosoftCXXNameMangler(MangleContext &C, raw_ostream &Out_) |
Timur Iskhodzhanov | 59660c2 | 2013-02-13 08:37:51 +0000 | [diff] [blame] | 68 | : Context(C), Out(Out_), |
| 69 | Structor(0), StructorType(-1), |
David Blaikie | e7e94c9 | 2013-05-14 21:31:46 +0000 | [diff] [blame] | 70 | UseNameBackReferences(true), |
Reid Kleckner | d6a08d1 | 2013-05-14 20:30:42 +0000 | [diff] [blame] | 71 | PointersAre64Bit(C.getASTContext().getTargetInfo().getPointerWidth(0) == |
David Blaikie | e7e94c9 | 2013-05-14 21:31:46 +0000 | [diff] [blame] | 72 | 64) { } |
Timur Iskhodzhanov | 59660c2 | 2013-02-13 08:37:51 +0000 | [diff] [blame] | 73 | |
| 74 | MicrosoftCXXNameMangler(MangleContext &C, raw_ostream &Out_, |
| 75 | const CXXDestructorDecl *D, CXXDtorType Type) |
| 76 | : Context(C), Out(Out_), |
| 77 | Structor(getStructor(D)), StructorType(Type), |
David Blaikie | e7e94c9 | 2013-05-14 21:31:46 +0000 | [diff] [blame] | 78 | UseNameBackReferences(true), |
Reid Kleckner | d6a08d1 | 2013-05-14 20:30:42 +0000 | [diff] [blame] | 79 | PointersAre64Bit(C.getASTContext().getTargetInfo().getPointerWidth(0) == |
David Blaikie | e7e94c9 | 2013-05-14 21:31:46 +0000 | [diff] [blame] | 80 | 64) { } |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 81 | |
| 82 | raw_ostream &getStream() const { return Out; } |
| 83 | |
| 84 | void mangle(const NamedDecl *D, StringRef Prefix = "\01?"); |
| 85 | void mangleName(const NamedDecl *ND); |
| 86 | void mangleFunctionEncoding(const FunctionDecl *FD); |
| 87 | void mangleVariableEncoding(const VarDecl *VD); |
| 88 | void mangleNumber(int64_t Number); |
| 89 | void mangleNumber(const llvm::APSInt &Value); |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 90 | void mangleType(QualType T, SourceRange Range, |
| 91 | QualifierMangleMode QMM = QMM_Mangle); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 92 | |
| 93 | private: |
| 94 | void disableBackReferences() { UseNameBackReferences = false; } |
| 95 | void mangleUnqualifiedName(const NamedDecl *ND) { |
| 96 | mangleUnqualifiedName(ND, ND->getDeclName()); |
| 97 | } |
| 98 | void mangleUnqualifiedName(const NamedDecl *ND, DeclarationName Name); |
| 99 | void mangleSourceName(const IdentifierInfo *II); |
| 100 | void manglePostfix(const DeclContext *DC, bool NoFunction=false); |
| 101 | void mangleOperatorName(OverloadedOperatorKind OO, SourceLocation Loc); |
Timur Iskhodzhanov | 59660c2 | 2013-02-13 08:37:51 +0000 | [diff] [blame] | 102 | void mangleCXXDtorType(CXXDtorType T); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 103 | void mangleQualifiers(Qualifiers Quals, bool IsMember); |
| 104 | void manglePointerQualifiers(Qualifiers Quals); |
| 105 | |
| 106 | void mangleUnscopedTemplateName(const TemplateDecl *ND); |
| 107 | void mangleTemplateInstantiationName(const TemplateDecl *TD, |
Reid Kleckner | f16216c | 2013-03-20 01:40:23 +0000 | [diff] [blame] | 108 | const TemplateArgumentList &TemplateArgs); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 109 | void mangleObjCMethodName(const ObjCMethodDecl *MD); |
| 110 | void mangleLocalName(const FunctionDecl *FD); |
| 111 | |
| 112 | void mangleArgumentType(QualType T, SourceRange Range); |
| 113 | |
| 114 | // Declare manglers for every type class. |
| 115 | #define ABSTRACT_TYPE(CLASS, PARENT) |
| 116 | #define NON_CANONICAL_TYPE(CLASS, PARENT) |
| 117 | #define TYPE(CLASS, PARENT) void mangleType(const CLASS##Type *T, \ |
| 118 | SourceRange Range); |
| 119 | #include "clang/AST/TypeNodes.def" |
| 120 | #undef ABSTRACT_TYPE |
| 121 | #undef NON_CANONICAL_TYPE |
| 122 | #undef TYPE |
| 123 | |
| 124 | void mangleType(const TagType*); |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 125 | void mangleFunctionType(const FunctionType *T, const FunctionDecl *D, |
| 126 | bool IsStructor, bool IsInstMethod); |
| 127 | void mangleDecayedArrayType(const ArrayType *T, bool IsGlobal); |
| 128 | void mangleArrayType(const ArrayType *T, Qualifiers Quals); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 129 | void mangleFunctionClass(const FunctionDecl *FD); |
| 130 | void mangleCallingConvention(const FunctionType *T, bool IsInstMethod = false); |
| 131 | void mangleIntegerLiteral(const llvm::APSInt &Number, bool IsBoolean); |
| 132 | void mangleExpression(const Expr *E); |
| 133 | void mangleThrowSpecification(const FunctionProtoType *T); |
| 134 | |
Reid Kleckner | f16216c | 2013-03-20 01:40:23 +0000 | [diff] [blame] | 135 | void mangleTemplateArgs(const TemplateDecl *TD, |
| 136 | const TemplateArgumentList &TemplateArgs); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 137 | |
| 138 | }; |
| 139 | |
| 140 | /// MicrosoftMangleContext - Overrides the default MangleContext for the |
| 141 | /// Microsoft Visual C++ ABI. |
| 142 | class MicrosoftMangleContext : public MangleContext { |
| 143 | public: |
| 144 | MicrosoftMangleContext(ASTContext &Context, |
| 145 | DiagnosticsEngine &Diags) : MangleContext(Context, Diags) { } |
| 146 | virtual bool shouldMangleDeclName(const NamedDecl *D); |
| 147 | virtual void mangleName(const NamedDecl *D, raw_ostream &Out); |
| 148 | virtual void mangleThunk(const CXXMethodDecl *MD, |
| 149 | const ThunkInfo &Thunk, |
| 150 | raw_ostream &); |
| 151 | virtual void mangleCXXDtorThunk(const CXXDestructorDecl *DD, CXXDtorType Type, |
| 152 | const ThisAdjustment &ThisAdjustment, |
| 153 | raw_ostream &); |
| 154 | virtual void mangleCXXVTable(const CXXRecordDecl *RD, |
| 155 | raw_ostream &); |
| 156 | virtual void mangleCXXVTT(const CXXRecordDecl *RD, |
| 157 | raw_ostream &); |
| 158 | virtual void mangleCXXCtorVTable(const CXXRecordDecl *RD, int64_t Offset, |
| 159 | const CXXRecordDecl *Type, |
| 160 | raw_ostream &); |
| 161 | virtual void mangleCXXRTTI(QualType T, raw_ostream &); |
| 162 | virtual void mangleCXXRTTIName(QualType T, raw_ostream &); |
| 163 | virtual void mangleCXXCtor(const CXXConstructorDecl *D, CXXCtorType Type, |
| 164 | raw_ostream &); |
| 165 | virtual void mangleCXXDtor(const CXXDestructorDecl *D, CXXDtorType Type, |
| 166 | raw_ostream &); |
| 167 | virtual void mangleReferenceTemporary(const clang::VarDecl *, |
| 168 | raw_ostream &); |
| 169 | }; |
| 170 | |
| 171 | } |
| 172 | |
| 173 | static bool isInCLinkageSpecification(const Decl *D) { |
| 174 | D = D->getCanonicalDecl(); |
| 175 | for (const DeclContext *DC = D->getDeclContext(); |
| 176 | !DC->isTranslationUnit(); DC = DC->getParent()) { |
| 177 | if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC)) |
| 178 | return Linkage->getLanguage() == LinkageSpecDecl::lang_c; |
| 179 | } |
| 180 | |
| 181 | return false; |
| 182 | } |
| 183 | |
| 184 | bool MicrosoftMangleContext::shouldMangleDeclName(const NamedDecl *D) { |
| 185 | // In C, functions with no attributes never need to be mangled. Fastpath them. |
| 186 | if (!getASTContext().getLangOpts().CPlusPlus && !D->hasAttrs()) |
| 187 | return false; |
| 188 | |
| 189 | // Any decl can be declared with __asm("foo") on it, and this takes precedence |
| 190 | // over all other naming in the .o file. |
| 191 | if (D->hasAttr<AsmLabelAttr>()) |
| 192 | return true; |
| 193 | |
| 194 | // Clang's "overloadable" attribute extension to C/C++ implies name mangling |
| 195 | // (always) as does passing a C++ member function and a function |
| 196 | // whose name is not a simple identifier. |
| 197 | const FunctionDecl *FD = dyn_cast<FunctionDecl>(D); |
| 198 | if (FD && (FD->hasAttr<OverloadableAttr>() || isa<CXXMethodDecl>(FD) || |
| 199 | !FD->getDeclName().isIdentifier())) |
| 200 | return true; |
| 201 | |
| 202 | // Otherwise, no mangling is done outside C++ mode. |
| 203 | if (!getASTContext().getLangOpts().CPlusPlus) |
| 204 | return false; |
| 205 | |
| 206 | // Variables at global scope with internal linkage are not mangled. |
| 207 | if (!FD) { |
| 208 | const DeclContext *DC = D->getDeclContext(); |
Rafael Espindola | 181e3ec | 2013-05-13 00:12:11 +0000 | [diff] [blame] | 209 | if (DC->isTranslationUnit() && D->getFormalLinkage() == InternalLinkage) |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 210 | return false; |
| 211 | } |
| 212 | |
| 213 | // C functions and "main" are not mangled. |
| 214 | if ((FD && FD->isMain()) || isInCLinkageSpecification(D)) |
| 215 | return false; |
| 216 | |
| 217 | return true; |
| 218 | } |
| 219 | |
| 220 | void MicrosoftCXXNameMangler::mangle(const NamedDecl *D, |
| 221 | StringRef Prefix) { |
| 222 | // MSVC doesn't mangle C++ names the same way it mangles extern "C" names. |
| 223 | // Therefore it's really important that we don't decorate the |
| 224 | // name with leading underscores or leading/trailing at signs. So, by |
| 225 | // default, we emit an asm marker at the start so we get the name right. |
| 226 | // Callers can override this with a custom prefix. |
| 227 | |
| 228 | // Any decl can be declared with __asm("foo") on it, and this takes precedence |
| 229 | // over all other naming in the .o file. |
| 230 | if (const AsmLabelAttr *ALA = D->getAttr<AsmLabelAttr>()) { |
| 231 | // If we have an asm name, then we use it as the mangling. |
| 232 | Out << '\01' << ALA->getLabel(); |
| 233 | return; |
| 234 | } |
| 235 | |
| 236 | // <mangled-name> ::= ? <name> <type-encoding> |
| 237 | Out << Prefix; |
| 238 | mangleName(D); |
| 239 | if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) |
| 240 | mangleFunctionEncoding(FD); |
| 241 | else if (const VarDecl *VD = dyn_cast<VarDecl>(D)) |
| 242 | mangleVariableEncoding(VD); |
| 243 | else { |
| 244 | // TODO: Fields? Can MSVC even mangle them? |
| 245 | // Issue a diagnostic for now. |
| 246 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 247 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 248 | "cannot mangle this declaration yet"); |
| 249 | Diags.Report(D->getLocation(), DiagID) |
| 250 | << D->getSourceRange(); |
| 251 | } |
| 252 | } |
| 253 | |
| 254 | void MicrosoftCXXNameMangler::mangleFunctionEncoding(const FunctionDecl *FD) { |
| 255 | // <type-encoding> ::= <function-class> <function-type> |
| 256 | |
| 257 | // Don't mangle in the type if this isn't a decl we should typically mangle. |
| 258 | if (!Context.shouldMangleDeclName(FD)) |
| 259 | return; |
| 260 | |
| 261 | // We should never ever see a FunctionNoProtoType at this point. |
| 262 | // We don't even know how to mangle their types anyway :). |
| 263 | const FunctionProtoType *FT = FD->getType()->castAs<FunctionProtoType>(); |
| 264 | |
| 265 | bool InStructor = false, InInstMethod = false; |
| 266 | const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD); |
| 267 | if (MD) { |
| 268 | if (MD->isInstance()) |
| 269 | InInstMethod = true; |
| 270 | if (isa<CXXConstructorDecl>(MD) || isa<CXXDestructorDecl>(MD)) |
| 271 | InStructor = true; |
| 272 | } |
| 273 | |
| 274 | // First, the function class. |
| 275 | mangleFunctionClass(FD); |
| 276 | |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 277 | mangleFunctionType(FT, FD, InStructor, InInstMethod); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 278 | } |
| 279 | |
| 280 | void MicrosoftCXXNameMangler::mangleVariableEncoding(const VarDecl *VD) { |
| 281 | // <type-encoding> ::= <storage-class> <variable-type> |
| 282 | // <storage-class> ::= 0 # private static member |
| 283 | // ::= 1 # protected static member |
| 284 | // ::= 2 # public static member |
| 285 | // ::= 3 # global |
| 286 | // ::= 4 # static local |
| 287 | |
| 288 | // The first character in the encoding (after the name) is the storage class. |
| 289 | if (VD->isStaticDataMember()) { |
| 290 | // If it's a static member, it also encodes the access level. |
| 291 | switch (VD->getAccess()) { |
| 292 | default: |
| 293 | case AS_private: Out << '0'; break; |
| 294 | case AS_protected: Out << '1'; break; |
| 295 | case AS_public: Out << '2'; break; |
| 296 | } |
| 297 | } |
| 298 | else if (!VD->isStaticLocal()) |
| 299 | Out << '3'; |
| 300 | else |
| 301 | Out << '4'; |
| 302 | // Now mangle the type. |
| 303 | // <variable-type> ::= <type> <cvr-qualifiers> |
| 304 | // ::= <type> <pointee-cvr-qualifiers> # pointers, references |
| 305 | // Pointers and references are odd. The type of 'int * const foo;' gets |
| 306 | // mangled as 'QAHA' instead of 'PAHB', for example. |
| 307 | TypeLoc TL = VD->getTypeSourceInfo()->getTypeLoc(); |
| 308 | QualType Ty = TL.getType(); |
| 309 | if (Ty->isPointerType() || Ty->isReferenceType()) { |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 310 | mangleType(Ty, TL.getSourceRange(), QMM_Drop); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 311 | mangleQualifiers(Ty->getPointeeType().getQualifiers(), false); |
| 312 | } else if (const ArrayType *AT = getASTContext().getAsArrayType(Ty)) { |
| 313 | // Global arrays are funny, too. |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 314 | mangleDecayedArrayType(AT, true); |
| 315 | if (AT->getElementType()->isArrayType()) |
| 316 | Out << 'A'; |
| 317 | else |
| 318 | mangleQualifiers(Ty.getQualifiers(), false); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 319 | } else { |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 320 | mangleType(Ty, TL.getSourceRange(), QMM_Drop); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 321 | mangleQualifiers(Ty.getLocalQualifiers(), false); |
| 322 | } |
| 323 | } |
| 324 | |
| 325 | void MicrosoftCXXNameMangler::mangleName(const NamedDecl *ND) { |
| 326 | // <name> ::= <unscoped-name> {[<named-scope>]+ | [<nested-name>]}? @ |
| 327 | const DeclContext *DC = ND->getDeclContext(); |
| 328 | |
| 329 | // Always start with the unqualified name. |
| 330 | mangleUnqualifiedName(ND); |
| 331 | |
| 332 | // If this is an extern variable declared locally, the relevant DeclContext |
| 333 | // is that of the containing namespace, or the translation unit. |
| 334 | if (isa<FunctionDecl>(DC) && ND->hasLinkage()) |
| 335 | while (!DC->isNamespace() && !DC->isTranslationUnit()) |
| 336 | DC = DC->getParent(); |
| 337 | |
| 338 | manglePostfix(DC); |
| 339 | |
| 340 | // Terminate the whole name with an '@'. |
| 341 | Out << '@'; |
| 342 | } |
| 343 | |
| 344 | void MicrosoftCXXNameMangler::mangleNumber(int64_t Number) { |
| 345 | llvm::APSInt APSNumber(/*BitWidth=*/64, /*isUnsigned=*/false); |
| 346 | APSNumber = Number; |
| 347 | mangleNumber(APSNumber); |
| 348 | } |
| 349 | |
| 350 | void MicrosoftCXXNameMangler::mangleNumber(const llvm::APSInt &Value) { |
| 351 | // <number> ::= [?] <decimal digit> # 1 <= Number <= 10 |
| 352 | // ::= [?] <hex digit>+ @ # 0 or > 9; A = 0, B = 1, etc... |
| 353 | // ::= [?] @ # 0 (alternate mangling, not emitted by VC) |
| 354 | if (Value.isSigned() && Value.isNegative()) { |
| 355 | Out << '?'; |
| 356 | mangleNumber(llvm::APSInt(Value.abs())); |
| 357 | return; |
| 358 | } |
| 359 | llvm::APSInt Temp(Value); |
| 360 | // There's a special shorter mangling for 0, but Microsoft |
| 361 | // chose not to use it. Instead, 0 gets mangled as "A@". Oh well... |
| 362 | if (Value.uge(1) && Value.ule(10)) { |
| 363 | --Temp; |
| 364 | Temp.print(Out, false); |
| 365 | } else { |
| 366 | // We have to build up the encoding in reverse order, so it will come |
| 367 | // out right when we write it out. |
| 368 | char Encoding[64]; |
| 369 | char *EndPtr = Encoding+sizeof(Encoding); |
| 370 | char *CurPtr = EndPtr; |
| 371 | llvm::APSInt NibbleMask(Value.getBitWidth(), Value.isUnsigned()); |
| 372 | NibbleMask = 0xf; |
| 373 | do { |
| 374 | *--CurPtr = 'A' + Temp.And(NibbleMask).getLimitedValue(0xf); |
| 375 | Temp = Temp.lshr(4); |
| 376 | } while (Temp != 0); |
| 377 | Out.write(CurPtr, EndPtr-CurPtr); |
| 378 | Out << '@'; |
| 379 | } |
| 380 | } |
| 381 | |
| 382 | static const TemplateDecl * |
Reid Kleckner | f16216c | 2013-03-20 01:40:23 +0000 | [diff] [blame] | 383 | isTemplate(const NamedDecl *ND, const TemplateArgumentList *&TemplateArgs) { |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 384 | // Check if we have a function template. |
| 385 | if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(ND)){ |
| 386 | if (const TemplateDecl *TD = FD->getPrimaryTemplate()) { |
Reid Kleckner | f16216c | 2013-03-20 01:40:23 +0000 | [diff] [blame] | 387 | TemplateArgs = FD->getTemplateSpecializationArgs(); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 388 | return TD; |
| 389 | } |
| 390 | } |
| 391 | |
| 392 | // Check if we have a class template. |
| 393 | if (const ClassTemplateSpecializationDecl *Spec = |
Reid Kleckner | f16216c | 2013-03-20 01:40:23 +0000 | [diff] [blame] | 394 | dyn_cast<ClassTemplateSpecializationDecl>(ND)) { |
| 395 | TemplateArgs = &Spec->getTemplateArgs(); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 396 | return Spec->getSpecializedTemplate(); |
| 397 | } |
| 398 | |
| 399 | return 0; |
| 400 | } |
| 401 | |
| 402 | void |
| 403 | MicrosoftCXXNameMangler::mangleUnqualifiedName(const NamedDecl *ND, |
| 404 | DeclarationName Name) { |
| 405 | // <unqualified-name> ::= <operator-name> |
| 406 | // ::= <ctor-dtor-name> |
| 407 | // ::= <source-name> |
| 408 | // ::= <template-name> |
Reid Kleckner | f16216c | 2013-03-20 01:40:23 +0000 | [diff] [blame] | 409 | |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 410 | // Check if we have a template. |
Reid Kleckner | f16216c | 2013-03-20 01:40:23 +0000 | [diff] [blame] | 411 | const TemplateArgumentList *TemplateArgs = 0; |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 412 | if (const TemplateDecl *TD = isTemplate(ND, TemplateArgs)) { |
| 413 | // We have a template. |
| 414 | // Here comes the tricky thing: if we need to mangle something like |
| 415 | // void foo(A::X<Y>, B::X<Y>), |
| 416 | // the X<Y> part is aliased. However, if you need to mangle |
| 417 | // void foo(A::X<A::Y>, A::X<B::Y>), |
| 418 | // the A::X<> part is not aliased. |
| 419 | // That said, from the mangler's perspective we have a structure like this: |
| 420 | // namespace[s] -> type[ -> template-parameters] |
| 421 | // but from the Clang perspective we have |
| 422 | // type [ -> template-parameters] |
| 423 | // \-> namespace[s] |
| 424 | // What we do is we create a new mangler, mangle the same type (without |
| 425 | // a namespace suffix) using the extra mangler with back references |
| 426 | // disabled (to avoid infinite recursion) and then use the mangled type |
| 427 | // name as a key to check the mangling of different types for aliasing. |
| 428 | |
| 429 | std::string BackReferenceKey; |
| 430 | BackRefMap::iterator Found; |
| 431 | if (UseNameBackReferences) { |
| 432 | llvm::raw_string_ostream Stream(BackReferenceKey); |
| 433 | MicrosoftCXXNameMangler Extra(Context, Stream); |
| 434 | Extra.disableBackReferences(); |
| 435 | Extra.mangleUnqualifiedName(ND, Name); |
| 436 | Stream.flush(); |
| 437 | |
| 438 | Found = NameBackReferences.find(BackReferenceKey); |
| 439 | } |
| 440 | if (!UseNameBackReferences || Found == NameBackReferences.end()) { |
Reid Kleckner | f16216c | 2013-03-20 01:40:23 +0000 | [diff] [blame] | 441 | mangleTemplateInstantiationName(TD, *TemplateArgs); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 442 | if (UseNameBackReferences && NameBackReferences.size() < 10) { |
| 443 | size_t Size = NameBackReferences.size(); |
| 444 | NameBackReferences[BackReferenceKey] = Size; |
| 445 | } |
| 446 | } else { |
| 447 | Out << Found->second; |
| 448 | } |
| 449 | return; |
| 450 | } |
| 451 | |
| 452 | switch (Name.getNameKind()) { |
| 453 | case DeclarationName::Identifier: { |
| 454 | if (const IdentifierInfo *II = Name.getAsIdentifierInfo()) { |
| 455 | mangleSourceName(II); |
| 456 | break; |
| 457 | } |
| 458 | |
| 459 | // Otherwise, an anonymous entity. We must have a declaration. |
| 460 | assert(ND && "mangling empty name without declaration"); |
| 461 | |
| 462 | if (const NamespaceDecl *NS = dyn_cast<NamespaceDecl>(ND)) { |
| 463 | if (NS->isAnonymousNamespace()) { |
| 464 | Out << "?A@"; |
| 465 | break; |
| 466 | } |
| 467 | } |
| 468 | |
| 469 | // We must have an anonymous struct. |
| 470 | const TagDecl *TD = cast<TagDecl>(ND); |
| 471 | if (const TypedefNameDecl *D = TD->getTypedefNameForAnonDecl()) { |
| 472 | assert(TD->getDeclContext() == D->getDeclContext() && |
| 473 | "Typedef should not be in another decl context!"); |
| 474 | assert(D->getDeclName().getAsIdentifierInfo() && |
| 475 | "Typedef was not named!"); |
| 476 | mangleSourceName(D->getDeclName().getAsIdentifierInfo()); |
| 477 | break; |
| 478 | } |
| 479 | |
| 480 | // When VC encounters an anonymous type with no tag and no typedef, |
| 481 | // it literally emits '<unnamed-tag>'. |
| 482 | Out << "<unnamed-tag>"; |
| 483 | break; |
| 484 | } |
| 485 | |
| 486 | case DeclarationName::ObjCZeroArgSelector: |
| 487 | case DeclarationName::ObjCOneArgSelector: |
| 488 | case DeclarationName::ObjCMultiArgSelector: |
| 489 | llvm_unreachable("Can't mangle Objective-C selector names here!"); |
| 490 | |
| 491 | case DeclarationName::CXXConstructorName: |
Timur Iskhodzhanov | 1d4fff5 | 2013-02-27 13:46:31 +0000 | [diff] [blame] | 492 | if (ND == Structor) { |
| 493 | assert(StructorType == Ctor_Complete && |
| 494 | "Should never be asked to mangle a ctor other than complete"); |
| 495 | } |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 496 | Out << "?0"; |
| 497 | break; |
| 498 | |
| 499 | case DeclarationName::CXXDestructorName: |
Timur Iskhodzhanov | 59660c2 | 2013-02-13 08:37:51 +0000 | [diff] [blame] | 500 | if (ND == Structor) |
| 501 | // If the named decl is the C++ destructor we're mangling, |
| 502 | // use the type we were given. |
| 503 | mangleCXXDtorType(static_cast<CXXDtorType>(StructorType)); |
| 504 | else |
| 505 | // Otherwise, use the complete destructor name. This is relevant if a |
| 506 | // class with a destructor is declared within a destructor. |
| 507 | mangleCXXDtorType(Dtor_Complete); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 508 | break; |
| 509 | |
| 510 | case DeclarationName::CXXConversionFunctionName: |
| 511 | // <operator-name> ::= ?B # (cast) |
| 512 | // The target type is encoded as the return type. |
| 513 | Out << "?B"; |
| 514 | break; |
| 515 | |
| 516 | case DeclarationName::CXXOperatorName: |
| 517 | mangleOperatorName(Name.getCXXOverloadedOperator(), ND->getLocation()); |
| 518 | break; |
| 519 | |
| 520 | case DeclarationName::CXXLiteralOperatorName: { |
| 521 | // FIXME: Was this added in VS2010? Does MS even know how to mangle this? |
| 522 | DiagnosticsEngine Diags = Context.getDiags(); |
| 523 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 524 | "cannot mangle this literal operator yet"); |
| 525 | Diags.Report(ND->getLocation(), DiagID); |
| 526 | break; |
| 527 | } |
| 528 | |
| 529 | case DeclarationName::CXXUsingDirective: |
| 530 | llvm_unreachable("Can't mangle a using directive name!"); |
| 531 | } |
| 532 | } |
| 533 | |
| 534 | void MicrosoftCXXNameMangler::manglePostfix(const DeclContext *DC, |
| 535 | bool NoFunction) { |
| 536 | // <postfix> ::= <unqualified-name> [<postfix>] |
| 537 | // ::= <substitution> [<postfix>] |
| 538 | |
| 539 | if (!DC) return; |
| 540 | |
| 541 | while (isa<LinkageSpecDecl>(DC)) |
| 542 | DC = DC->getParent(); |
| 543 | |
| 544 | if (DC->isTranslationUnit()) |
| 545 | return; |
| 546 | |
| 547 | if (const BlockDecl *BD = dyn_cast<BlockDecl>(DC)) { |
| 548 | Context.mangleBlock(BD, Out); |
| 549 | Out << '@'; |
| 550 | return manglePostfix(DC->getParent(), NoFunction); |
Ben Langmuir | 524387a | 2013-05-09 19:17:11 +0000 | [diff] [blame] | 551 | } else if (isa<CapturedDecl>(DC)) { |
| 552 | // Skip CapturedDecl context. |
| 553 | manglePostfix(DC->getParent(), NoFunction); |
| 554 | return; |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 555 | } |
| 556 | |
| 557 | if (NoFunction && (isa<FunctionDecl>(DC) || isa<ObjCMethodDecl>(DC))) |
| 558 | return; |
| 559 | else if (const ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(DC)) |
| 560 | mangleObjCMethodName(Method); |
| 561 | else if (const FunctionDecl *Func = dyn_cast<FunctionDecl>(DC)) |
| 562 | mangleLocalName(Func); |
| 563 | else { |
| 564 | mangleUnqualifiedName(cast<NamedDecl>(DC)); |
| 565 | manglePostfix(DC->getParent(), NoFunction); |
| 566 | } |
| 567 | } |
| 568 | |
Timur Iskhodzhanov | 59660c2 | 2013-02-13 08:37:51 +0000 | [diff] [blame] | 569 | void MicrosoftCXXNameMangler::mangleCXXDtorType(CXXDtorType T) { |
| 570 | switch (T) { |
| 571 | case Dtor_Deleting: |
| 572 | Out << "?_G"; |
| 573 | return; |
| 574 | case Dtor_Base: |
| 575 | // FIXME: We should be asked to mangle base dtors. |
| 576 | // However, fixing this would require larger changes to the CodeGenModule. |
| 577 | // Please put llvm_unreachable here when CGM is changed. |
| 578 | // For now, just mangle a base dtor the same way as a complete dtor... |
| 579 | case Dtor_Complete: |
| 580 | Out << "?1"; |
| 581 | return; |
| 582 | } |
| 583 | llvm_unreachable("Unsupported dtor type?"); |
| 584 | } |
| 585 | |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 586 | void MicrosoftCXXNameMangler::mangleOperatorName(OverloadedOperatorKind OO, |
| 587 | SourceLocation Loc) { |
| 588 | switch (OO) { |
| 589 | // ?0 # constructor |
| 590 | // ?1 # destructor |
| 591 | // <operator-name> ::= ?2 # new |
| 592 | case OO_New: Out << "?2"; break; |
| 593 | // <operator-name> ::= ?3 # delete |
| 594 | case OO_Delete: Out << "?3"; break; |
| 595 | // <operator-name> ::= ?4 # = |
| 596 | case OO_Equal: Out << "?4"; break; |
| 597 | // <operator-name> ::= ?5 # >> |
| 598 | case OO_GreaterGreater: Out << "?5"; break; |
| 599 | // <operator-name> ::= ?6 # << |
| 600 | case OO_LessLess: Out << "?6"; break; |
| 601 | // <operator-name> ::= ?7 # ! |
| 602 | case OO_Exclaim: Out << "?7"; break; |
| 603 | // <operator-name> ::= ?8 # == |
| 604 | case OO_EqualEqual: Out << "?8"; break; |
| 605 | // <operator-name> ::= ?9 # != |
| 606 | case OO_ExclaimEqual: Out << "?9"; break; |
| 607 | // <operator-name> ::= ?A # [] |
| 608 | case OO_Subscript: Out << "?A"; break; |
| 609 | // ?B # conversion |
| 610 | // <operator-name> ::= ?C # -> |
| 611 | case OO_Arrow: Out << "?C"; break; |
| 612 | // <operator-name> ::= ?D # * |
| 613 | case OO_Star: Out << "?D"; break; |
| 614 | // <operator-name> ::= ?E # ++ |
| 615 | case OO_PlusPlus: Out << "?E"; break; |
| 616 | // <operator-name> ::= ?F # -- |
| 617 | case OO_MinusMinus: Out << "?F"; break; |
| 618 | // <operator-name> ::= ?G # - |
| 619 | case OO_Minus: Out << "?G"; break; |
| 620 | // <operator-name> ::= ?H # + |
| 621 | case OO_Plus: Out << "?H"; break; |
| 622 | // <operator-name> ::= ?I # & |
| 623 | case OO_Amp: Out << "?I"; break; |
| 624 | // <operator-name> ::= ?J # ->* |
| 625 | case OO_ArrowStar: Out << "?J"; break; |
| 626 | // <operator-name> ::= ?K # / |
| 627 | case OO_Slash: Out << "?K"; break; |
| 628 | // <operator-name> ::= ?L # % |
| 629 | case OO_Percent: Out << "?L"; break; |
| 630 | // <operator-name> ::= ?M # < |
| 631 | case OO_Less: Out << "?M"; break; |
| 632 | // <operator-name> ::= ?N # <= |
| 633 | case OO_LessEqual: Out << "?N"; break; |
| 634 | // <operator-name> ::= ?O # > |
| 635 | case OO_Greater: Out << "?O"; break; |
| 636 | // <operator-name> ::= ?P # >= |
| 637 | case OO_GreaterEqual: Out << "?P"; break; |
| 638 | // <operator-name> ::= ?Q # , |
| 639 | case OO_Comma: Out << "?Q"; break; |
| 640 | // <operator-name> ::= ?R # () |
| 641 | case OO_Call: Out << "?R"; break; |
| 642 | // <operator-name> ::= ?S # ~ |
| 643 | case OO_Tilde: Out << "?S"; break; |
| 644 | // <operator-name> ::= ?T # ^ |
| 645 | case OO_Caret: Out << "?T"; break; |
| 646 | // <operator-name> ::= ?U # | |
| 647 | case OO_Pipe: Out << "?U"; break; |
| 648 | // <operator-name> ::= ?V # && |
| 649 | case OO_AmpAmp: Out << "?V"; break; |
| 650 | // <operator-name> ::= ?W # || |
| 651 | case OO_PipePipe: Out << "?W"; break; |
| 652 | // <operator-name> ::= ?X # *= |
| 653 | case OO_StarEqual: Out << "?X"; break; |
| 654 | // <operator-name> ::= ?Y # += |
| 655 | case OO_PlusEqual: Out << "?Y"; break; |
| 656 | // <operator-name> ::= ?Z # -= |
| 657 | case OO_MinusEqual: Out << "?Z"; break; |
| 658 | // <operator-name> ::= ?_0 # /= |
| 659 | case OO_SlashEqual: Out << "?_0"; break; |
| 660 | // <operator-name> ::= ?_1 # %= |
| 661 | case OO_PercentEqual: Out << "?_1"; break; |
| 662 | // <operator-name> ::= ?_2 # >>= |
| 663 | case OO_GreaterGreaterEqual: Out << "?_2"; break; |
| 664 | // <operator-name> ::= ?_3 # <<= |
| 665 | case OO_LessLessEqual: Out << "?_3"; break; |
| 666 | // <operator-name> ::= ?_4 # &= |
| 667 | case OO_AmpEqual: Out << "?_4"; break; |
| 668 | // <operator-name> ::= ?_5 # |= |
| 669 | case OO_PipeEqual: Out << "?_5"; break; |
| 670 | // <operator-name> ::= ?_6 # ^= |
| 671 | case OO_CaretEqual: Out << "?_6"; break; |
| 672 | // ?_7 # vftable |
| 673 | // ?_8 # vbtable |
| 674 | // ?_9 # vcall |
| 675 | // ?_A # typeof |
| 676 | // ?_B # local static guard |
| 677 | // ?_C # string |
| 678 | // ?_D # vbase destructor |
| 679 | // ?_E # vector deleting destructor |
| 680 | // ?_F # default constructor closure |
| 681 | // ?_G # scalar deleting destructor |
| 682 | // ?_H # vector constructor iterator |
| 683 | // ?_I # vector destructor iterator |
| 684 | // ?_J # vector vbase constructor iterator |
| 685 | // ?_K # virtual displacement map |
| 686 | // ?_L # eh vector constructor iterator |
| 687 | // ?_M # eh vector destructor iterator |
| 688 | // ?_N # eh vector vbase constructor iterator |
| 689 | // ?_O # copy constructor closure |
| 690 | // ?_P<name> # udt returning <name> |
| 691 | // ?_Q # <unknown> |
| 692 | // ?_R0 # RTTI Type Descriptor |
| 693 | // ?_R1 # RTTI Base Class Descriptor at (a,b,c,d) |
| 694 | // ?_R2 # RTTI Base Class Array |
| 695 | // ?_R3 # RTTI Class Hierarchy Descriptor |
| 696 | // ?_R4 # RTTI Complete Object Locator |
| 697 | // ?_S # local vftable |
| 698 | // ?_T # local vftable constructor closure |
| 699 | // <operator-name> ::= ?_U # new[] |
| 700 | case OO_Array_New: Out << "?_U"; break; |
| 701 | // <operator-name> ::= ?_V # delete[] |
| 702 | case OO_Array_Delete: Out << "?_V"; break; |
| 703 | |
| 704 | case OO_Conditional: { |
| 705 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 706 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 707 | "cannot mangle this conditional operator yet"); |
| 708 | Diags.Report(Loc, DiagID); |
| 709 | break; |
| 710 | } |
| 711 | |
| 712 | case OO_None: |
| 713 | case NUM_OVERLOADED_OPERATORS: |
| 714 | llvm_unreachable("Not an overloaded operator"); |
| 715 | } |
| 716 | } |
| 717 | |
| 718 | void MicrosoftCXXNameMangler::mangleSourceName(const IdentifierInfo *II) { |
| 719 | // <source name> ::= <identifier> @ |
| 720 | std::string key = II->getNameStart(); |
| 721 | BackRefMap::iterator Found; |
| 722 | if (UseNameBackReferences) |
| 723 | Found = NameBackReferences.find(key); |
| 724 | if (!UseNameBackReferences || Found == NameBackReferences.end()) { |
| 725 | Out << II->getName() << '@'; |
| 726 | if (UseNameBackReferences && NameBackReferences.size() < 10) { |
| 727 | size_t Size = NameBackReferences.size(); |
| 728 | NameBackReferences[key] = Size; |
| 729 | } |
| 730 | } else { |
| 731 | Out << Found->second; |
| 732 | } |
| 733 | } |
| 734 | |
| 735 | void MicrosoftCXXNameMangler::mangleObjCMethodName(const ObjCMethodDecl *MD) { |
| 736 | Context.mangleObjCMethodName(MD, Out); |
| 737 | } |
| 738 | |
| 739 | // Find out how many function decls live above this one and return an integer |
| 740 | // suitable for use as the number in a numbered anonymous scope. |
| 741 | // TODO: Memoize. |
| 742 | static unsigned getLocalNestingLevel(const FunctionDecl *FD) { |
| 743 | const DeclContext *DC = FD->getParent(); |
| 744 | int level = 1; |
| 745 | |
| 746 | while (DC && !DC->isTranslationUnit()) { |
| 747 | if (isa<FunctionDecl>(DC) || isa<ObjCMethodDecl>(DC)) level++; |
| 748 | DC = DC->getParent(); |
| 749 | } |
| 750 | |
| 751 | return 2*level; |
| 752 | } |
| 753 | |
| 754 | void MicrosoftCXXNameMangler::mangleLocalName(const FunctionDecl *FD) { |
| 755 | // <nested-name> ::= <numbered-anonymous-scope> ? <mangled-name> |
| 756 | // <numbered-anonymous-scope> ::= ? <number> |
| 757 | // Even though the name is rendered in reverse order (e.g. |
| 758 | // A::B::C is rendered as C@B@A), VC numbers the scopes from outermost to |
| 759 | // innermost. So a method bar in class C local to function foo gets mangled |
| 760 | // as something like: |
| 761 | // ?bar@C@?1??foo@@YAXXZ@QAEXXZ |
| 762 | // This is more apparent when you have a type nested inside a method of a |
| 763 | // type nested inside a function. A method baz in class D local to method |
| 764 | // bar of class C local to function foo gets mangled as: |
| 765 | // ?baz@D@?3??bar@C@?1??foo@@YAXXZ@QAEXXZ@QAEXXZ |
| 766 | // This scheme is general enough to support GCC-style nested |
| 767 | // functions. You could have a method baz of class C inside a function bar |
| 768 | // inside a function foo, like so: |
| 769 | // ?baz@C@?3??bar@?1??foo@@YAXXZ@YAXXZ@QAEXXZ |
| 770 | int NestLevel = getLocalNestingLevel(FD); |
| 771 | Out << '?'; |
| 772 | mangleNumber(NestLevel); |
| 773 | Out << '?'; |
| 774 | mangle(FD, "?"); |
| 775 | } |
| 776 | |
| 777 | void MicrosoftCXXNameMangler::mangleTemplateInstantiationName( |
| 778 | const TemplateDecl *TD, |
Reid Kleckner | f16216c | 2013-03-20 01:40:23 +0000 | [diff] [blame] | 779 | const TemplateArgumentList &TemplateArgs) { |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 780 | // <template-name> ::= <unscoped-template-name> <template-args> |
| 781 | // ::= <substitution> |
| 782 | // Always start with the unqualified name. |
| 783 | |
| 784 | // Templates have their own context for back references. |
| 785 | ArgBackRefMap OuterArgsContext; |
| 786 | BackRefMap OuterTemplateContext; |
| 787 | NameBackReferences.swap(OuterTemplateContext); |
| 788 | TypeBackReferences.swap(OuterArgsContext); |
| 789 | |
| 790 | mangleUnscopedTemplateName(TD); |
Reid Kleckner | f16216c | 2013-03-20 01:40:23 +0000 | [diff] [blame] | 791 | mangleTemplateArgs(TD, TemplateArgs); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 792 | |
| 793 | // Restore the previous back reference contexts. |
| 794 | NameBackReferences.swap(OuterTemplateContext); |
| 795 | TypeBackReferences.swap(OuterArgsContext); |
| 796 | } |
| 797 | |
| 798 | void |
| 799 | MicrosoftCXXNameMangler::mangleUnscopedTemplateName(const TemplateDecl *TD) { |
| 800 | // <unscoped-template-name> ::= ?$ <unqualified-name> |
| 801 | Out << "?$"; |
| 802 | mangleUnqualifiedName(TD); |
| 803 | } |
| 804 | |
| 805 | void |
| 806 | MicrosoftCXXNameMangler::mangleIntegerLiteral(const llvm::APSInt &Value, |
| 807 | bool IsBoolean) { |
| 808 | // <integer-literal> ::= $0 <number> |
| 809 | Out << "$0"; |
| 810 | // Make sure booleans are encoded as 0/1. |
| 811 | if (IsBoolean && Value.getBoolValue()) |
| 812 | mangleNumber(1); |
| 813 | else |
| 814 | mangleNumber(Value); |
| 815 | } |
| 816 | |
| 817 | void |
| 818 | MicrosoftCXXNameMangler::mangleExpression(const Expr *E) { |
| 819 | // See if this is a constant expression. |
| 820 | llvm::APSInt Value; |
| 821 | if (E->isIntegerConstantExpr(Value, Context.getASTContext())) { |
| 822 | mangleIntegerLiteral(Value, E->getType()->isBooleanType()); |
| 823 | return; |
| 824 | } |
| 825 | |
| 826 | // As bad as this diagnostic is, it's better than crashing. |
| 827 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 828 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 829 | "cannot yet mangle expression type %0"); |
| 830 | Diags.Report(E->getExprLoc(), DiagID) |
| 831 | << E->getStmtClassName() << E->getSourceRange(); |
| 832 | } |
| 833 | |
| 834 | void |
Reid Kleckner | f16216c | 2013-03-20 01:40:23 +0000 | [diff] [blame] | 835 | MicrosoftCXXNameMangler::mangleTemplateArgs(const TemplateDecl *TD, |
| 836 | const TemplateArgumentList &TemplateArgs) { |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 837 | // <template-args> ::= {<type> | <integer-literal>}+ @ |
| 838 | unsigned NumTemplateArgs = TemplateArgs.size(); |
| 839 | for (unsigned i = 0; i < NumTemplateArgs; ++i) { |
Reid Kleckner | f16216c | 2013-03-20 01:40:23 +0000 | [diff] [blame] | 840 | const TemplateArgument &TA = TemplateArgs[i]; |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 841 | switch (TA.getKind()) { |
| 842 | case TemplateArgument::Null: |
| 843 | llvm_unreachable("Can't mangle null template arguments!"); |
Reid Kleckner | cb5949d | 2013-04-09 12:47:38 +0000 | [diff] [blame] | 844 | case TemplateArgument::Type: { |
| 845 | QualType T = TA.getAsType(); |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 846 | mangleType(T, SourceRange(), QMM_Escape); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 847 | break; |
Reid Kleckner | cb5949d | 2013-04-09 12:47:38 +0000 | [diff] [blame] | 848 | } |
Reid Kleckner | ff430f6 | 2013-03-20 22:29:42 +0000 | [diff] [blame] | 849 | case TemplateArgument::Declaration: |
| 850 | mangle(cast<NamedDecl>(TA.getAsDecl()), "$1?"); |
| 851 | break; |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 852 | case TemplateArgument::Integral: |
| 853 | mangleIntegerLiteral(TA.getAsIntegral(), |
| 854 | TA.getIntegralType()->isBooleanType()); |
| 855 | break; |
| 856 | case TemplateArgument::Expression: |
| 857 | mangleExpression(TA.getAsExpr()); |
| 858 | break; |
| 859 | case TemplateArgument::Template: |
| 860 | case TemplateArgument::TemplateExpansion: |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 861 | case TemplateArgument::NullPtr: |
| 862 | case TemplateArgument::Pack: { |
| 863 | // Issue a diagnostic. |
| 864 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 865 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
Reid Kleckner | f16216c | 2013-03-20 01:40:23 +0000 | [diff] [blame] | 866 | "cannot mangle template argument %0 of kind %select{ERROR|ERROR|" |
| 867 | "pointer/reference|nullptr|integral|template|template pack expansion|" |
| 868 | "ERROR|parameter pack}1 yet"); |
| 869 | Diags.Report(TD->getLocation(), DiagID) |
| 870 | << i + 1 |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 871 | << TA.getKind() |
Reid Kleckner | f16216c | 2013-03-20 01:40:23 +0000 | [diff] [blame] | 872 | << TD->getSourceRange(); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 873 | } |
| 874 | } |
| 875 | } |
| 876 | Out << '@'; |
| 877 | } |
| 878 | |
| 879 | void MicrosoftCXXNameMangler::mangleQualifiers(Qualifiers Quals, |
| 880 | bool IsMember) { |
| 881 | // <cvr-qualifiers> ::= [E] [F] [I] <base-cvr-qualifiers> |
| 882 | // 'E' means __ptr64 (32-bit only); 'F' means __unaligned (32/64-bit only); |
| 883 | // 'I' means __restrict (32/64-bit). |
| 884 | // Note that the MSVC __restrict keyword isn't the same as the C99 restrict |
| 885 | // keyword! |
| 886 | // <base-cvr-qualifiers> ::= A # near |
| 887 | // ::= B # near const |
| 888 | // ::= C # near volatile |
| 889 | // ::= D # near const volatile |
| 890 | // ::= E # far (16-bit) |
| 891 | // ::= F # far const (16-bit) |
| 892 | // ::= G # far volatile (16-bit) |
| 893 | // ::= H # far const volatile (16-bit) |
| 894 | // ::= I # huge (16-bit) |
| 895 | // ::= J # huge const (16-bit) |
| 896 | // ::= K # huge volatile (16-bit) |
| 897 | // ::= L # huge const volatile (16-bit) |
| 898 | // ::= M <basis> # based |
| 899 | // ::= N <basis> # based const |
| 900 | // ::= O <basis> # based volatile |
| 901 | // ::= P <basis> # based const volatile |
| 902 | // ::= Q # near member |
| 903 | // ::= R # near const member |
| 904 | // ::= S # near volatile member |
| 905 | // ::= T # near const volatile member |
| 906 | // ::= U # far member (16-bit) |
| 907 | // ::= V # far const member (16-bit) |
| 908 | // ::= W # far volatile member (16-bit) |
| 909 | // ::= X # far const volatile member (16-bit) |
| 910 | // ::= Y # huge member (16-bit) |
| 911 | // ::= Z # huge const member (16-bit) |
| 912 | // ::= 0 # huge volatile member (16-bit) |
| 913 | // ::= 1 # huge const volatile member (16-bit) |
| 914 | // ::= 2 <basis> # based member |
| 915 | // ::= 3 <basis> # based const member |
| 916 | // ::= 4 <basis> # based volatile member |
| 917 | // ::= 5 <basis> # based const volatile member |
| 918 | // ::= 6 # near function (pointers only) |
| 919 | // ::= 7 # far function (pointers only) |
| 920 | // ::= 8 # near method (pointers only) |
| 921 | // ::= 9 # far method (pointers only) |
| 922 | // ::= _A <basis> # based function (pointers only) |
| 923 | // ::= _B <basis> # based function (far?) (pointers only) |
| 924 | // ::= _C <basis> # based method (pointers only) |
| 925 | // ::= _D <basis> # based method (far?) (pointers only) |
| 926 | // ::= _E # block (Clang) |
| 927 | // <basis> ::= 0 # __based(void) |
| 928 | // ::= 1 # __based(segment)? |
| 929 | // ::= 2 <name> # __based(name) |
| 930 | // ::= 3 # ? |
| 931 | // ::= 4 # ? |
| 932 | // ::= 5 # not really based |
| 933 | bool HasConst = Quals.hasConst(), |
| 934 | HasVolatile = Quals.hasVolatile(); |
| 935 | if (!IsMember) { |
| 936 | if (HasConst && HasVolatile) { |
| 937 | Out << 'D'; |
| 938 | } else if (HasVolatile) { |
| 939 | Out << 'C'; |
| 940 | } else if (HasConst) { |
| 941 | Out << 'B'; |
| 942 | } else { |
| 943 | Out << 'A'; |
| 944 | } |
| 945 | } else { |
| 946 | if (HasConst && HasVolatile) { |
| 947 | Out << 'T'; |
| 948 | } else if (HasVolatile) { |
| 949 | Out << 'S'; |
| 950 | } else if (HasConst) { |
| 951 | Out << 'R'; |
| 952 | } else { |
| 953 | Out << 'Q'; |
| 954 | } |
| 955 | } |
| 956 | |
| 957 | // FIXME: For now, just drop all extension qualifiers on the floor. |
| 958 | } |
| 959 | |
| 960 | void MicrosoftCXXNameMangler::manglePointerQualifiers(Qualifiers Quals) { |
| 961 | // <pointer-cvr-qualifiers> ::= P # no qualifiers |
| 962 | // ::= Q # const |
| 963 | // ::= R # volatile |
| 964 | // ::= S # const volatile |
| 965 | bool HasConst = Quals.hasConst(), |
| 966 | HasVolatile = Quals.hasVolatile(); |
| 967 | if (HasConst && HasVolatile) { |
| 968 | Out << 'S'; |
| 969 | } else if (HasVolatile) { |
| 970 | Out << 'R'; |
| 971 | } else if (HasConst) { |
| 972 | Out << 'Q'; |
| 973 | } else { |
| 974 | Out << 'P'; |
| 975 | } |
| 976 | } |
| 977 | |
| 978 | void MicrosoftCXXNameMangler::mangleArgumentType(QualType T, |
| 979 | SourceRange Range) { |
| 980 | void *TypePtr = getASTContext().getCanonicalType(T).getAsOpaquePtr(); |
| 981 | ArgBackRefMap::iterator Found = TypeBackReferences.find(TypePtr); |
| 982 | |
| 983 | if (Found == TypeBackReferences.end()) { |
| 984 | size_t OutSizeBefore = Out.GetNumBytesInBuffer(); |
| 985 | |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 986 | if (const ArrayType *AT = getASTContext().getAsArrayType(T)) { |
| 987 | mangleDecayedArrayType(AT, false); |
| 988 | } else if (const FunctionType *FT = T->getAs<FunctionType>()) { |
| 989 | Out << "P6"; |
| 990 | mangleFunctionType(FT, 0, false, false); |
| 991 | } else { |
| 992 | mangleType(T, Range, QMM_Drop); |
| 993 | } |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 994 | |
| 995 | // See if it's worth creating a back reference. |
| 996 | // Only types longer than 1 character are considered |
| 997 | // and only 10 back references slots are available: |
| 998 | bool LongerThanOneChar = (Out.GetNumBytesInBuffer() - OutSizeBefore > 1); |
| 999 | if (LongerThanOneChar && TypeBackReferences.size() < 10) { |
| 1000 | size_t Size = TypeBackReferences.size(); |
| 1001 | TypeBackReferences[TypePtr] = Size; |
| 1002 | } |
| 1003 | } else { |
| 1004 | Out << Found->second; |
| 1005 | } |
| 1006 | } |
| 1007 | |
| 1008 | void MicrosoftCXXNameMangler::mangleType(QualType T, SourceRange Range, |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 1009 | QualifierMangleMode QMM) { |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1010 | // Only operate on the canonical type! |
| 1011 | T = getASTContext().getCanonicalType(T); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1012 | Qualifiers Quals = T.getLocalQualifiers(); |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 1013 | |
| 1014 | if (const ArrayType *AT = dyn_cast<ArrayType>(T)) { |
| 1015 | if (QMM == QMM_Mangle) |
| 1016 | Out << 'A'; |
| 1017 | else if (QMM == QMM_Escape || QMM == QMM_Result) |
| 1018 | Out << "$$B"; |
| 1019 | mangleArrayType(AT, Quals); |
| 1020 | return; |
| 1021 | } |
| 1022 | |
| 1023 | bool IsPointer = T->isAnyPointerType() || T->isMemberPointerType() || |
| 1024 | T->isBlockPointerType(); |
| 1025 | |
| 1026 | switch (QMM) { |
| 1027 | case QMM_Drop: |
| 1028 | break; |
| 1029 | case QMM_Mangle: |
| 1030 | if (const FunctionType *FT = dyn_cast<FunctionType>(T)) { |
| 1031 | Out << '6'; |
| 1032 | mangleFunctionType(FT, 0, false, false); |
| 1033 | return; |
| 1034 | } |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1035 | mangleQualifiers(Quals, false); |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 1036 | break; |
| 1037 | case QMM_Escape: |
| 1038 | if (!IsPointer && Quals) { |
| 1039 | Out << "$$C"; |
| 1040 | mangleQualifiers(Quals, false); |
| 1041 | } |
| 1042 | break; |
| 1043 | case QMM_Result: |
| 1044 | if ((!IsPointer && Quals) || isa<TagType>(T)) { |
| 1045 | Out << '?'; |
| 1046 | mangleQualifiers(Quals, false); |
| 1047 | } |
| 1048 | break; |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1049 | } |
| 1050 | |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 1051 | // We have to mangle these now, while we still have enough information. |
| 1052 | if (IsPointer) |
| 1053 | manglePointerQualifiers(Quals); |
| 1054 | const Type *ty = T.getTypePtr(); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1055 | |
| 1056 | switch (ty->getTypeClass()) { |
| 1057 | #define ABSTRACT_TYPE(CLASS, PARENT) |
| 1058 | #define NON_CANONICAL_TYPE(CLASS, PARENT) \ |
| 1059 | case Type::CLASS: \ |
| 1060 | llvm_unreachable("can't mangle non-canonical type " #CLASS "Type"); \ |
| 1061 | return; |
| 1062 | #define TYPE(CLASS, PARENT) \ |
| 1063 | case Type::CLASS: \ |
| 1064 | mangleType(cast<CLASS##Type>(ty), Range); \ |
| 1065 | break; |
| 1066 | #include "clang/AST/TypeNodes.def" |
| 1067 | #undef ABSTRACT_TYPE |
| 1068 | #undef NON_CANONICAL_TYPE |
| 1069 | #undef TYPE |
| 1070 | } |
| 1071 | } |
| 1072 | |
| 1073 | void MicrosoftCXXNameMangler::mangleType(const BuiltinType *T, |
| 1074 | SourceRange Range) { |
| 1075 | // <type> ::= <builtin-type> |
| 1076 | // <builtin-type> ::= X # void |
| 1077 | // ::= C # signed char |
| 1078 | // ::= D # char |
| 1079 | // ::= E # unsigned char |
| 1080 | // ::= F # short |
| 1081 | // ::= G # unsigned short (or wchar_t if it's not a builtin) |
| 1082 | // ::= H # int |
| 1083 | // ::= I # unsigned int |
| 1084 | // ::= J # long |
| 1085 | // ::= K # unsigned long |
| 1086 | // L # <none> |
| 1087 | // ::= M # float |
| 1088 | // ::= N # double |
| 1089 | // ::= O # long double (__float80 is mangled differently) |
| 1090 | // ::= _J # long long, __int64 |
| 1091 | // ::= _K # unsigned long long, __int64 |
| 1092 | // ::= _L # __int128 |
| 1093 | // ::= _M # unsigned __int128 |
| 1094 | // ::= _N # bool |
| 1095 | // _O # <array in parameter> |
| 1096 | // ::= _T # __float80 (Intel) |
| 1097 | // ::= _W # wchar_t |
| 1098 | // ::= _Z # __float80 (Digital Mars) |
| 1099 | switch (T->getKind()) { |
| 1100 | case BuiltinType::Void: Out << 'X'; break; |
| 1101 | case BuiltinType::SChar: Out << 'C'; break; |
| 1102 | case BuiltinType::Char_U: case BuiltinType::Char_S: Out << 'D'; break; |
| 1103 | case BuiltinType::UChar: Out << 'E'; break; |
| 1104 | case BuiltinType::Short: Out << 'F'; break; |
| 1105 | case BuiltinType::UShort: Out << 'G'; break; |
| 1106 | case BuiltinType::Int: Out << 'H'; break; |
| 1107 | case BuiltinType::UInt: Out << 'I'; break; |
| 1108 | case BuiltinType::Long: Out << 'J'; break; |
| 1109 | case BuiltinType::ULong: Out << 'K'; break; |
| 1110 | case BuiltinType::Float: Out << 'M'; break; |
| 1111 | case BuiltinType::Double: Out << 'N'; break; |
| 1112 | // TODO: Determine size and mangle accordingly |
| 1113 | case BuiltinType::LongDouble: Out << 'O'; break; |
| 1114 | case BuiltinType::LongLong: Out << "_J"; break; |
| 1115 | case BuiltinType::ULongLong: Out << "_K"; break; |
| 1116 | case BuiltinType::Int128: Out << "_L"; break; |
| 1117 | case BuiltinType::UInt128: Out << "_M"; break; |
| 1118 | case BuiltinType::Bool: Out << "_N"; break; |
| 1119 | case BuiltinType::WChar_S: |
| 1120 | case BuiltinType::WChar_U: Out << "_W"; break; |
| 1121 | |
| 1122 | #define BUILTIN_TYPE(Id, SingletonId) |
| 1123 | #define PLACEHOLDER_TYPE(Id, SingletonId) \ |
| 1124 | case BuiltinType::Id: |
| 1125 | #include "clang/AST/BuiltinTypes.def" |
| 1126 | case BuiltinType::Dependent: |
| 1127 | llvm_unreachable("placeholder types shouldn't get to name mangling"); |
| 1128 | |
| 1129 | case BuiltinType::ObjCId: Out << "PAUobjc_object@@"; break; |
| 1130 | case BuiltinType::ObjCClass: Out << "PAUobjc_class@@"; break; |
| 1131 | case BuiltinType::ObjCSel: Out << "PAUobjc_selector@@"; break; |
Guy Benyei | b13621d | 2012-12-18 14:38:23 +0000 | [diff] [blame] | 1132 | |
| 1133 | case BuiltinType::OCLImage1d: Out << "PAUocl_image1d@@"; break; |
| 1134 | case BuiltinType::OCLImage1dArray: Out << "PAUocl_image1darray@@"; break; |
| 1135 | case BuiltinType::OCLImage1dBuffer: Out << "PAUocl_image1dbuffer@@"; break; |
| 1136 | case BuiltinType::OCLImage2d: Out << "PAUocl_image2d@@"; break; |
| 1137 | case BuiltinType::OCLImage2dArray: Out << "PAUocl_image2darray@@"; break; |
| 1138 | case BuiltinType::OCLImage3d: Out << "PAUocl_image3d@@"; break; |
Guy Benyei | 21f18c4 | 2013-02-07 10:55:47 +0000 | [diff] [blame] | 1139 | case BuiltinType::OCLSampler: Out << "PAUocl_sampler@@"; break; |
Guy Benyei | e6b9d80 | 2013-01-20 12:31:11 +0000 | [diff] [blame] | 1140 | case BuiltinType::OCLEvent: Out << "PAUocl_event@@"; break; |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1141 | |
| 1142 | case BuiltinType::NullPtr: Out << "$$T"; break; |
| 1143 | |
| 1144 | case BuiltinType::Char16: |
| 1145 | case BuiltinType::Char32: |
| 1146 | case BuiltinType::Half: { |
| 1147 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 1148 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 1149 | "cannot mangle this built-in %0 type yet"); |
| 1150 | Diags.Report(Range.getBegin(), DiagID) |
| 1151 | << T->getName(Context.getASTContext().getPrintingPolicy()) |
| 1152 | << Range; |
| 1153 | break; |
| 1154 | } |
| 1155 | } |
| 1156 | } |
| 1157 | |
| 1158 | // <type> ::= <function-type> |
| 1159 | void MicrosoftCXXNameMangler::mangleType(const FunctionProtoType *T, |
| 1160 | SourceRange) { |
| 1161 | // Structors only appear in decls, so at this point we know it's not a |
| 1162 | // structor type. |
| 1163 | // FIXME: This may not be lambda-friendly. |
| 1164 | Out << "$$A6"; |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 1165 | mangleFunctionType(T, NULL, false, false); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1166 | } |
| 1167 | void MicrosoftCXXNameMangler::mangleType(const FunctionNoProtoType *T, |
| 1168 | SourceRange) { |
| 1169 | llvm_unreachable("Can't mangle K&R function prototypes"); |
| 1170 | } |
| 1171 | |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 1172 | void MicrosoftCXXNameMangler::mangleFunctionType(const FunctionType *T, |
| 1173 | const FunctionDecl *D, |
| 1174 | bool IsStructor, |
| 1175 | bool IsInstMethod) { |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1176 | // <function-type> ::= <this-cvr-qualifiers> <calling-convention> |
| 1177 | // <return-type> <argument-list> <throw-spec> |
| 1178 | const FunctionProtoType *Proto = cast<FunctionProtoType>(T); |
| 1179 | |
| 1180 | // If this is a C++ instance method, mangle the CVR qualifiers for the |
| 1181 | // this pointer. |
| 1182 | if (IsInstMethod) |
| 1183 | mangleQualifiers(Qualifiers::fromCVRMask(Proto->getTypeQuals()), false); |
| 1184 | |
| 1185 | mangleCallingConvention(T, IsInstMethod); |
| 1186 | |
| 1187 | // <return-type> ::= <type> |
| 1188 | // ::= @ # structors (they have no declared return type) |
Timur Iskhodzhanov | 59660c2 | 2013-02-13 08:37:51 +0000 | [diff] [blame] | 1189 | if (IsStructor) { |
| 1190 | if (isa<CXXDestructorDecl>(D) && D == Structor && |
| 1191 | StructorType == Dtor_Deleting) { |
| 1192 | // The scalar deleting destructor takes an extra int argument. |
| 1193 | // However, the FunctionType generated has 0 arguments. |
| 1194 | // FIXME: This is a temporary hack. |
| 1195 | // Maybe should fix the FunctionType creation instead? |
| 1196 | Out << "PAXI@Z"; |
| 1197 | return; |
| 1198 | } |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1199 | Out << '@'; |
Timur Iskhodzhanov | 59660c2 | 2013-02-13 08:37:51 +0000 | [diff] [blame] | 1200 | } else { |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 1201 | mangleType(Proto->getResultType(), SourceRange(), QMM_Result); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1202 | } |
| 1203 | |
| 1204 | // <argument-list> ::= X # void |
| 1205 | // ::= <type>+ @ |
| 1206 | // ::= <type>* Z # varargs |
| 1207 | if (Proto->getNumArgs() == 0 && !Proto->isVariadic()) { |
| 1208 | Out << 'X'; |
| 1209 | } else { |
| 1210 | if (D) { |
| 1211 | // If we got a decl, use the type-as-written to make sure arrays |
| 1212 | // get mangled right. Note that we can't rely on the TSI |
| 1213 | // existing if (for example) the parameter was synthesized. |
| 1214 | for (FunctionDecl::param_const_iterator Parm = D->param_begin(), |
| 1215 | ParmEnd = D->param_end(); Parm != ParmEnd; ++Parm) { |
| 1216 | TypeSourceInfo *TSI = (*Parm)->getTypeSourceInfo(); |
| 1217 | QualType Type = TSI ? TSI->getType() : (*Parm)->getType(); |
| 1218 | mangleArgumentType(Type, (*Parm)->getSourceRange()); |
| 1219 | } |
| 1220 | } else { |
| 1221 | // Happens for function pointer type arguments for example. |
| 1222 | for (FunctionProtoType::arg_type_iterator Arg = Proto->arg_type_begin(), |
| 1223 | ArgEnd = Proto->arg_type_end(); |
| 1224 | Arg != ArgEnd; ++Arg) |
| 1225 | mangleArgumentType(*Arg, SourceRange()); |
| 1226 | } |
| 1227 | // <builtin-type> ::= Z # ellipsis |
| 1228 | if (Proto->isVariadic()) |
| 1229 | Out << 'Z'; |
| 1230 | else |
| 1231 | Out << '@'; |
| 1232 | } |
| 1233 | |
| 1234 | mangleThrowSpecification(Proto); |
| 1235 | } |
| 1236 | |
| 1237 | void MicrosoftCXXNameMangler::mangleFunctionClass(const FunctionDecl *FD) { |
Reid Kleckner | d6a08d1 | 2013-05-14 20:30:42 +0000 | [diff] [blame] | 1238 | // <function-class> ::= <member-function> E? # E designates a 64-bit 'this' |
| 1239 | // # pointer. in 64-bit mode *all* |
| 1240 | // # 'this' pointers are 64-bit. |
| 1241 | // ::= <global-function> |
| 1242 | // <member-function> ::= A # private: near |
| 1243 | // ::= B # private: far |
| 1244 | // ::= C # private: static near |
| 1245 | // ::= D # private: static far |
| 1246 | // ::= E # private: virtual near |
| 1247 | // ::= F # private: virtual far |
| 1248 | // ::= G # private: thunk near |
| 1249 | // ::= H # private: thunk far |
| 1250 | // ::= I # protected: near |
| 1251 | // ::= J # protected: far |
| 1252 | // ::= K # protected: static near |
| 1253 | // ::= L # protected: static far |
| 1254 | // ::= M # protected: virtual near |
| 1255 | // ::= N # protected: virtual far |
| 1256 | // ::= O # protected: thunk near |
| 1257 | // ::= P # protected: thunk far |
| 1258 | // ::= Q # public: near |
| 1259 | // ::= R # public: far |
| 1260 | // ::= S # public: static near |
| 1261 | // ::= T # public: static far |
| 1262 | // ::= U # public: virtual near |
| 1263 | // ::= V # public: virtual far |
| 1264 | // ::= W # public: thunk near |
| 1265 | // ::= X # public: thunk far |
| 1266 | // <global-function> ::= Y # global near |
| 1267 | // ::= Z # global far |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1268 | if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { |
| 1269 | switch (MD->getAccess()) { |
| 1270 | default: |
| 1271 | case AS_private: |
| 1272 | if (MD->isStatic()) |
| 1273 | Out << 'C'; |
| 1274 | else if (MD->isVirtual()) |
| 1275 | Out << 'E'; |
| 1276 | else |
| 1277 | Out << 'A'; |
| 1278 | break; |
| 1279 | case AS_protected: |
| 1280 | if (MD->isStatic()) |
| 1281 | Out << 'K'; |
| 1282 | else if (MD->isVirtual()) |
| 1283 | Out << 'M'; |
| 1284 | else |
| 1285 | Out << 'I'; |
| 1286 | break; |
| 1287 | case AS_public: |
| 1288 | if (MD->isStatic()) |
| 1289 | Out << 'S'; |
| 1290 | else if (MD->isVirtual()) |
| 1291 | Out << 'U'; |
| 1292 | else |
| 1293 | Out << 'Q'; |
| 1294 | } |
Reid Kleckner | d6a08d1 | 2013-05-14 20:30:42 +0000 | [diff] [blame] | 1295 | if (PointersAre64Bit && !MD->isStatic()) |
| 1296 | Out << 'E'; |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1297 | } else |
| 1298 | Out << 'Y'; |
| 1299 | } |
| 1300 | void MicrosoftCXXNameMangler::mangleCallingConvention(const FunctionType *T, |
| 1301 | bool IsInstMethod) { |
| 1302 | // <calling-convention> ::= A # __cdecl |
| 1303 | // ::= B # __export __cdecl |
| 1304 | // ::= C # __pascal |
| 1305 | // ::= D # __export __pascal |
| 1306 | // ::= E # __thiscall |
| 1307 | // ::= F # __export __thiscall |
| 1308 | // ::= G # __stdcall |
| 1309 | // ::= H # __export __stdcall |
| 1310 | // ::= I # __fastcall |
| 1311 | // ::= J # __export __fastcall |
| 1312 | // The 'export' calling conventions are from a bygone era |
| 1313 | // (*cough*Win16*cough*) when functions were declared for export with |
| 1314 | // that keyword. (It didn't actually export them, it just made them so |
| 1315 | // that they could be in a DLL and somebody from another module could call |
| 1316 | // them.) |
| 1317 | CallingConv CC = T->getCallConv(); |
| 1318 | if (CC == CC_Default) { |
| 1319 | if (IsInstMethod) { |
| 1320 | const FunctionProtoType *FPT = |
| 1321 | T->getCanonicalTypeUnqualified().castAs<FunctionProtoType>(); |
| 1322 | bool isVariadic = FPT->isVariadic(); |
| 1323 | CC = getASTContext().getDefaultCXXMethodCallConv(isVariadic); |
| 1324 | } else { |
| 1325 | CC = CC_C; |
| 1326 | } |
| 1327 | } |
| 1328 | switch (CC) { |
| 1329 | default: |
| 1330 | llvm_unreachable("Unsupported CC for mangling"); |
| 1331 | case CC_Default: |
| 1332 | case CC_C: Out << 'A'; break; |
| 1333 | case CC_X86Pascal: Out << 'C'; break; |
| 1334 | case CC_X86ThisCall: Out << 'E'; break; |
| 1335 | case CC_X86StdCall: Out << 'G'; break; |
| 1336 | case CC_X86FastCall: Out << 'I'; break; |
| 1337 | } |
| 1338 | } |
| 1339 | void MicrosoftCXXNameMangler::mangleThrowSpecification( |
| 1340 | const FunctionProtoType *FT) { |
| 1341 | // <throw-spec> ::= Z # throw(...) (default) |
| 1342 | // ::= @ # throw() or __declspec/__attribute__((nothrow)) |
| 1343 | // ::= <type>+ |
| 1344 | // NOTE: Since the Microsoft compiler ignores throw specifications, they are |
| 1345 | // all actually mangled as 'Z'. (They're ignored because their associated |
| 1346 | // functionality isn't implemented, and probably never will be.) |
| 1347 | Out << 'Z'; |
| 1348 | } |
| 1349 | |
| 1350 | void MicrosoftCXXNameMangler::mangleType(const UnresolvedUsingType *T, |
| 1351 | SourceRange Range) { |
| 1352 | // Probably should be mangled as a template instantiation; need to see what |
| 1353 | // VC does first. |
| 1354 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 1355 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 1356 | "cannot mangle this unresolved dependent type yet"); |
| 1357 | Diags.Report(Range.getBegin(), DiagID) |
| 1358 | << Range; |
| 1359 | } |
| 1360 | |
| 1361 | // <type> ::= <union-type> | <struct-type> | <class-type> | <enum-type> |
| 1362 | // <union-type> ::= T <name> |
| 1363 | // <struct-type> ::= U <name> |
| 1364 | // <class-type> ::= V <name> |
| 1365 | // <enum-type> ::= W <size> <name> |
| 1366 | void MicrosoftCXXNameMangler::mangleType(const EnumType *T, SourceRange) { |
| 1367 | mangleType(cast<TagType>(T)); |
| 1368 | } |
| 1369 | void MicrosoftCXXNameMangler::mangleType(const RecordType *T, SourceRange) { |
| 1370 | mangleType(cast<TagType>(T)); |
| 1371 | } |
| 1372 | void MicrosoftCXXNameMangler::mangleType(const TagType *T) { |
| 1373 | switch (T->getDecl()->getTagKind()) { |
| 1374 | case TTK_Union: |
| 1375 | Out << 'T'; |
| 1376 | break; |
| 1377 | case TTK_Struct: |
| 1378 | case TTK_Interface: |
| 1379 | Out << 'U'; |
| 1380 | break; |
| 1381 | case TTK_Class: |
| 1382 | Out << 'V'; |
| 1383 | break; |
| 1384 | case TTK_Enum: |
| 1385 | Out << 'W'; |
| 1386 | Out << getASTContext().getTypeSizeInChars( |
| 1387 | cast<EnumDecl>(T->getDecl())->getIntegerType()).getQuantity(); |
| 1388 | break; |
| 1389 | } |
| 1390 | mangleName(T->getDecl()); |
| 1391 | } |
| 1392 | |
| 1393 | // <type> ::= <array-type> |
| 1394 | // <array-type> ::= <pointer-cvr-qualifiers> <cvr-qualifiers> |
| 1395 | // [Y <dimension-count> <dimension>+] |
Reid Kleckner | d6a08d1 | 2013-05-14 20:30:42 +0000 | [diff] [blame] | 1396 | // <element-type> # as global, E is never required |
| 1397 | // ::= Q E? <cvr-qualifiers> [Y <dimension-count> <dimension>+] |
| 1398 | // <element-type> # as param, E is required for 64-bit |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1399 | // It's supposed to be the other way around, but for some strange reason, it |
| 1400 | // isn't. Today this behavior is retained for the sole purpose of backwards |
| 1401 | // compatibility. |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 1402 | void MicrosoftCXXNameMangler::mangleDecayedArrayType(const ArrayType *T, |
| 1403 | bool IsGlobal) { |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1404 | // This isn't a recursive mangling, so now we have to do it all in this |
| 1405 | // one call. |
| 1406 | if (IsGlobal) { |
| 1407 | manglePointerQualifiers(T->getElementType().getQualifiers()); |
| 1408 | } else { |
| 1409 | Out << 'Q'; |
Reid Kleckner | d6a08d1 | 2013-05-14 20:30:42 +0000 | [diff] [blame] | 1410 | if (PointersAre64Bit) |
| 1411 | Out << 'E'; |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1412 | } |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 1413 | mangleType(T->getElementType(), SourceRange()); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1414 | } |
| 1415 | void MicrosoftCXXNameMangler::mangleType(const ConstantArrayType *T, |
| 1416 | SourceRange) { |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 1417 | llvm_unreachable("Should have been special cased"); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1418 | } |
| 1419 | void MicrosoftCXXNameMangler::mangleType(const VariableArrayType *T, |
| 1420 | SourceRange) { |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 1421 | llvm_unreachable("Should have been special cased"); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1422 | } |
| 1423 | void MicrosoftCXXNameMangler::mangleType(const DependentSizedArrayType *T, |
| 1424 | SourceRange) { |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 1425 | llvm_unreachable("Should have been special cased"); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1426 | } |
| 1427 | void MicrosoftCXXNameMangler::mangleType(const IncompleteArrayType *T, |
| 1428 | SourceRange) { |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 1429 | llvm_unreachable("Should have been special cased"); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1430 | } |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 1431 | void MicrosoftCXXNameMangler::mangleArrayType(const ArrayType *T, |
| 1432 | Qualifiers Quals) { |
| 1433 | QualType ElementTy(T, 0); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1434 | SmallVector<llvm::APInt, 3> Dimensions; |
| 1435 | for (;;) { |
| 1436 | if (const ConstantArrayType *CAT = |
| 1437 | getASTContext().getAsConstantArrayType(ElementTy)) { |
| 1438 | Dimensions.push_back(CAT->getSize()); |
| 1439 | ElementTy = CAT->getElementType(); |
| 1440 | } else if (ElementTy->isVariableArrayType()) { |
| 1441 | const VariableArrayType *VAT = |
| 1442 | getASTContext().getAsVariableArrayType(ElementTy); |
| 1443 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 1444 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 1445 | "cannot mangle this variable-length array yet"); |
| 1446 | Diags.Report(VAT->getSizeExpr()->getExprLoc(), DiagID) |
| 1447 | << VAT->getBracketsRange(); |
| 1448 | return; |
| 1449 | } else if (ElementTy->isDependentSizedArrayType()) { |
| 1450 | // The dependent expression has to be folded into a constant (TODO). |
| 1451 | const DependentSizedArrayType *DSAT = |
| 1452 | getASTContext().getAsDependentSizedArrayType(ElementTy); |
| 1453 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 1454 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 1455 | "cannot mangle this dependent-length array yet"); |
| 1456 | Diags.Report(DSAT->getSizeExpr()->getExprLoc(), DiagID) |
| 1457 | << DSAT->getBracketsRange(); |
| 1458 | return; |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 1459 | } else if (const IncompleteArrayType *IAT = |
| 1460 | getASTContext().getAsIncompleteArrayType(ElementTy)) { |
| 1461 | Dimensions.push_back(llvm::APInt(32, 0)); |
| 1462 | ElementTy = IAT->getElementType(); |
| 1463 | } |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1464 | else break; |
| 1465 | } |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 1466 | Out << 'Y'; |
| 1467 | // <dimension-count> ::= <number> # number of extra dimensions |
| 1468 | mangleNumber(Dimensions.size()); |
| 1469 | for (unsigned Dim = 0; Dim < Dimensions.size(); ++Dim) |
| 1470 | mangleNumber(Dimensions[Dim].getLimitedValue()); |
| 1471 | mangleType(getASTContext().getQualifiedType(ElementTy.getTypePtr(), Quals), |
| 1472 | SourceRange(), QMM_Escape); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1473 | } |
| 1474 | |
| 1475 | // <type> ::= <pointer-to-member-type> |
| 1476 | // <pointer-to-member-type> ::= <pointer-cvr-qualifiers> <cvr-qualifiers> |
| 1477 | // <class name> <type> |
| 1478 | void MicrosoftCXXNameMangler::mangleType(const MemberPointerType *T, |
| 1479 | SourceRange Range) { |
| 1480 | QualType PointeeType = T->getPointeeType(); |
| 1481 | if (const FunctionProtoType *FPT = PointeeType->getAs<FunctionProtoType>()) { |
| 1482 | Out << '8'; |
| 1483 | mangleName(T->getClass()->castAs<RecordType>()->getDecl()); |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 1484 | mangleFunctionType(FPT, NULL, false, true); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1485 | } else { |
| 1486 | mangleQualifiers(PointeeType.getQualifiers(), true); |
| 1487 | mangleName(T->getClass()->castAs<RecordType>()->getDecl()); |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 1488 | mangleType(PointeeType, Range, QMM_Drop); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1489 | } |
| 1490 | } |
| 1491 | |
| 1492 | void MicrosoftCXXNameMangler::mangleType(const TemplateTypeParmType *T, |
| 1493 | SourceRange Range) { |
| 1494 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 1495 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 1496 | "cannot mangle this template type parameter type yet"); |
| 1497 | Diags.Report(Range.getBegin(), DiagID) |
| 1498 | << Range; |
| 1499 | } |
| 1500 | |
| 1501 | void MicrosoftCXXNameMangler::mangleType( |
| 1502 | const SubstTemplateTypeParmPackType *T, |
| 1503 | SourceRange Range) { |
| 1504 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 1505 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 1506 | "cannot mangle this substituted parameter pack yet"); |
| 1507 | Diags.Report(Range.getBegin(), DiagID) |
| 1508 | << Range; |
| 1509 | } |
| 1510 | |
| 1511 | // <type> ::= <pointer-type> |
Reid Kleckner | d6a08d1 | 2013-05-14 20:30:42 +0000 | [diff] [blame] | 1512 | // <pointer-type> ::= E? <pointer-cvr-qualifiers> <cvr-qualifiers> <type> |
| 1513 | // # the E is required for 64-bit non static pointers |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1514 | void MicrosoftCXXNameMangler::mangleType(const PointerType *T, |
| 1515 | SourceRange Range) { |
| 1516 | QualType PointeeTy = T->getPointeeType(); |
Reid Kleckner | d6a08d1 | 2013-05-14 20:30:42 +0000 | [diff] [blame] | 1517 | if (PointersAre64Bit && !T->getPointeeType()->isFunctionType()) |
| 1518 | Out << 'E'; |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 1519 | mangleType(PointeeTy, Range); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1520 | } |
| 1521 | void MicrosoftCXXNameMangler::mangleType(const ObjCObjectPointerType *T, |
| 1522 | SourceRange Range) { |
| 1523 | // Object pointers never have qualifiers. |
| 1524 | Out << 'A'; |
| 1525 | mangleType(T->getPointeeType(), Range); |
| 1526 | } |
| 1527 | |
| 1528 | // <type> ::= <reference-type> |
Reid Kleckner | d6a08d1 | 2013-05-14 20:30:42 +0000 | [diff] [blame] | 1529 | // <reference-type> ::= A E? <cvr-qualifiers> <type> |
| 1530 | // # the E is required for 64-bit non static lvalue references |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1531 | void MicrosoftCXXNameMangler::mangleType(const LValueReferenceType *T, |
| 1532 | SourceRange Range) { |
| 1533 | Out << 'A'; |
Reid Kleckner | d6a08d1 | 2013-05-14 20:30:42 +0000 | [diff] [blame] | 1534 | if (PointersAre64Bit && !T->getPointeeType()->isFunctionType()) |
| 1535 | Out << 'E'; |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 1536 | mangleType(T->getPointeeType(), Range); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1537 | } |
| 1538 | |
| 1539 | // <type> ::= <r-value-reference-type> |
Reid Kleckner | d6a08d1 | 2013-05-14 20:30:42 +0000 | [diff] [blame] | 1540 | // <r-value-reference-type> ::= $$Q E? <cvr-qualifiers> <type> |
| 1541 | // # the E is required for 64-bit non static rvalue references |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1542 | void MicrosoftCXXNameMangler::mangleType(const RValueReferenceType *T, |
| 1543 | SourceRange Range) { |
| 1544 | Out << "$$Q"; |
Reid Kleckner | d6a08d1 | 2013-05-14 20:30:42 +0000 | [diff] [blame] | 1545 | if (PointersAre64Bit && !T->getPointeeType()->isFunctionType()) |
| 1546 | Out << 'E'; |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 1547 | mangleType(T->getPointeeType(), Range); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1548 | } |
| 1549 | |
| 1550 | void MicrosoftCXXNameMangler::mangleType(const ComplexType *T, |
| 1551 | SourceRange Range) { |
| 1552 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 1553 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 1554 | "cannot mangle this complex number type yet"); |
| 1555 | Diags.Report(Range.getBegin(), DiagID) |
| 1556 | << Range; |
| 1557 | } |
| 1558 | |
| 1559 | void MicrosoftCXXNameMangler::mangleType(const VectorType *T, |
| 1560 | SourceRange Range) { |
Reid Kleckner | 1232e27 | 2013-03-26 16:56:59 +0000 | [diff] [blame] | 1561 | const BuiltinType *ET = T->getElementType()->getAs<BuiltinType>(); |
| 1562 | assert(ET && "vectors with non-builtin elements are unsupported"); |
| 1563 | uint64_t Width = getASTContext().getTypeSize(T); |
| 1564 | // Pattern match exactly the typedefs in our intrinsic headers. Anything that |
| 1565 | // doesn't match the Intel types uses a custom mangling below. |
| 1566 | bool IntelVector = true; |
| 1567 | if (Width == 64 && ET->getKind() == BuiltinType::LongLong) { |
| 1568 | Out << "T__m64"; |
| 1569 | } else if (Width == 128 || Width == 256) { |
| 1570 | if (ET->getKind() == BuiltinType::Float) |
| 1571 | Out << "T__m" << Width; |
| 1572 | else if (ET->getKind() == BuiltinType::LongLong) |
| 1573 | Out << "T__m" << Width << 'i'; |
| 1574 | else if (ET->getKind() == BuiltinType::Double) |
| 1575 | Out << "U__m" << Width << 'd'; |
| 1576 | else |
| 1577 | IntelVector = false; |
| 1578 | } else { |
| 1579 | IntelVector = false; |
| 1580 | } |
| 1581 | |
| 1582 | if (!IntelVector) { |
| 1583 | // The MS ABI doesn't have a special mangling for vector types, so we define |
| 1584 | // our own mangling to handle uses of __vector_size__ on user-specified |
| 1585 | // types, and for extensions like __v4sf. |
| 1586 | Out << "T__clang_vec" << T->getNumElements() << '_'; |
| 1587 | mangleType(ET, Range); |
| 1588 | } |
| 1589 | |
| 1590 | Out << "@@"; |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1591 | } |
Reid Kleckner | 1232e27 | 2013-03-26 16:56:59 +0000 | [diff] [blame] | 1592 | |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1593 | void MicrosoftCXXNameMangler::mangleType(const ExtVectorType *T, |
| 1594 | SourceRange Range) { |
| 1595 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 1596 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 1597 | "cannot mangle this extended vector type yet"); |
| 1598 | Diags.Report(Range.getBegin(), DiagID) |
| 1599 | << Range; |
| 1600 | } |
| 1601 | void MicrosoftCXXNameMangler::mangleType(const DependentSizedExtVectorType *T, |
| 1602 | SourceRange Range) { |
| 1603 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 1604 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 1605 | "cannot mangle this dependent-sized extended vector type yet"); |
| 1606 | Diags.Report(Range.getBegin(), DiagID) |
| 1607 | << Range; |
| 1608 | } |
| 1609 | |
| 1610 | void MicrosoftCXXNameMangler::mangleType(const ObjCInterfaceType *T, |
| 1611 | SourceRange) { |
| 1612 | // ObjC interfaces have structs underlying them. |
| 1613 | Out << 'U'; |
| 1614 | mangleName(T->getDecl()); |
| 1615 | } |
| 1616 | |
| 1617 | void MicrosoftCXXNameMangler::mangleType(const ObjCObjectType *T, |
| 1618 | SourceRange Range) { |
| 1619 | // We don't allow overloading by different protocol qualification, |
| 1620 | // so mangling them isn't necessary. |
| 1621 | mangleType(T->getBaseType(), Range); |
| 1622 | } |
| 1623 | |
| 1624 | void MicrosoftCXXNameMangler::mangleType(const BlockPointerType *T, |
| 1625 | SourceRange Range) { |
| 1626 | Out << "_E"; |
| 1627 | |
| 1628 | QualType pointee = T->getPointeeType(); |
Peter Collingbourne | b70d1c3 | 2013-04-25 04:25:40 +0000 | [diff] [blame] | 1629 | mangleFunctionType(pointee->castAs<FunctionProtoType>(), NULL, false, false); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1630 | } |
| 1631 | |
| 1632 | void MicrosoftCXXNameMangler::mangleType(const InjectedClassNameType *T, |
| 1633 | SourceRange Range) { |
| 1634 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 1635 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 1636 | "cannot mangle this injected class name type yet"); |
| 1637 | Diags.Report(Range.getBegin(), DiagID) |
| 1638 | << Range; |
| 1639 | } |
| 1640 | |
| 1641 | void MicrosoftCXXNameMangler::mangleType(const TemplateSpecializationType *T, |
| 1642 | SourceRange Range) { |
| 1643 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 1644 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 1645 | "cannot mangle this template specialization type yet"); |
| 1646 | Diags.Report(Range.getBegin(), DiagID) |
| 1647 | << Range; |
| 1648 | } |
| 1649 | |
| 1650 | void MicrosoftCXXNameMangler::mangleType(const DependentNameType *T, |
| 1651 | SourceRange Range) { |
| 1652 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 1653 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 1654 | "cannot mangle this dependent name type yet"); |
| 1655 | Diags.Report(Range.getBegin(), DiagID) |
| 1656 | << Range; |
| 1657 | } |
| 1658 | |
| 1659 | void MicrosoftCXXNameMangler::mangleType( |
| 1660 | const DependentTemplateSpecializationType *T, |
| 1661 | SourceRange Range) { |
| 1662 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 1663 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 1664 | "cannot mangle this dependent template specialization type yet"); |
| 1665 | Diags.Report(Range.getBegin(), DiagID) |
| 1666 | << Range; |
| 1667 | } |
| 1668 | |
| 1669 | void MicrosoftCXXNameMangler::mangleType(const PackExpansionType *T, |
| 1670 | SourceRange Range) { |
| 1671 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 1672 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 1673 | "cannot mangle this pack expansion yet"); |
| 1674 | Diags.Report(Range.getBegin(), DiagID) |
| 1675 | << Range; |
| 1676 | } |
| 1677 | |
| 1678 | void MicrosoftCXXNameMangler::mangleType(const TypeOfType *T, |
| 1679 | SourceRange Range) { |
| 1680 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 1681 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 1682 | "cannot mangle this typeof(type) yet"); |
| 1683 | Diags.Report(Range.getBegin(), DiagID) |
| 1684 | << Range; |
| 1685 | } |
| 1686 | |
| 1687 | void MicrosoftCXXNameMangler::mangleType(const TypeOfExprType *T, |
| 1688 | SourceRange Range) { |
| 1689 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 1690 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 1691 | "cannot mangle this typeof(expression) yet"); |
| 1692 | Diags.Report(Range.getBegin(), DiagID) |
| 1693 | << Range; |
| 1694 | } |
| 1695 | |
| 1696 | void MicrosoftCXXNameMangler::mangleType(const DecltypeType *T, |
| 1697 | SourceRange Range) { |
| 1698 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 1699 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 1700 | "cannot mangle this decltype() yet"); |
| 1701 | Diags.Report(Range.getBegin(), DiagID) |
| 1702 | << Range; |
| 1703 | } |
| 1704 | |
| 1705 | void MicrosoftCXXNameMangler::mangleType(const UnaryTransformType *T, |
| 1706 | SourceRange Range) { |
| 1707 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 1708 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 1709 | "cannot mangle this unary transform type yet"); |
| 1710 | Diags.Report(Range.getBegin(), DiagID) |
| 1711 | << Range; |
| 1712 | } |
| 1713 | |
| 1714 | void MicrosoftCXXNameMangler::mangleType(const AutoType *T, SourceRange Range) { |
| 1715 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 1716 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 1717 | "cannot mangle this 'auto' type yet"); |
| 1718 | Diags.Report(Range.getBegin(), DiagID) |
| 1719 | << Range; |
| 1720 | } |
| 1721 | |
| 1722 | void MicrosoftCXXNameMangler::mangleType(const AtomicType *T, |
| 1723 | SourceRange Range) { |
| 1724 | DiagnosticsEngine &Diags = Context.getDiags(); |
| 1725 | unsigned DiagID = Diags.getCustomDiagID(DiagnosticsEngine::Error, |
| 1726 | "cannot mangle this C11 atomic type yet"); |
| 1727 | Diags.Report(Range.getBegin(), DiagID) |
| 1728 | << Range; |
| 1729 | } |
| 1730 | |
| 1731 | void MicrosoftMangleContext::mangleName(const NamedDecl *D, |
| 1732 | raw_ostream &Out) { |
| 1733 | assert((isa<FunctionDecl>(D) || isa<VarDecl>(D)) && |
| 1734 | "Invalid mangleName() call, argument is not a variable or function!"); |
| 1735 | assert(!isa<CXXConstructorDecl>(D) && !isa<CXXDestructorDecl>(D) && |
| 1736 | "Invalid mangleName() call on 'structor decl!"); |
| 1737 | |
| 1738 | PrettyStackTraceDecl CrashInfo(D, SourceLocation(), |
| 1739 | getASTContext().getSourceManager(), |
| 1740 | "Mangling declaration"); |
| 1741 | |
| 1742 | MicrosoftCXXNameMangler Mangler(*this, Out); |
| 1743 | return Mangler.mangle(D); |
| 1744 | } |
| 1745 | void MicrosoftMangleContext::mangleThunk(const CXXMethodDecl *MD, |
| 1746 | const ThunkInfo &Thunk, |
| 1747 | raw_ostream &) { |
| 1748 | unsigned DiagID = getDiags().getCustomDiagID(DiagnosticsEngine::Error, |
| 1749 | "cannot mangle thunk for this method yet"); |
| 1750 | getDiags().Report(MD->getLocation(), DiagID); |
| 1751 | } |
| 1752 | void MicrosoftMangleContext::mangleCXXDtorThunk(const CXXDestructorDecl *DD, |
| 1753 | CXXDtorType Type, |
| 1754 | const ThisAdjustment &, |
| 1755 | raw_ostream &) { |
| 1756 | unsigned DiagID = getDiags().getCustomDiagID(DiagnosticsEngine::Error, |
| 1757 | "cannot mangle thunk for this destructor yet"); |
| 1758 | getDiags().Report(DD->getLocation(), DiagID); |
| 1759 | } |
| 1760 | void MicrosoftMangleContext::mangleCXXVTable(const CXXRecordDecl *RD, |
| 1761 | raw_ostream &Out) { |
| 1762 | // <mangled-name> ::= ? <operator-name> <class-name> <storage-class> |
| 1763 | // <cvr-qualifiers> [<name>] @ |
| 1764 | // <operator-name> ::= _7 # vftable |
| 1765 | // ::= _8 # vbtable |
| 1766 | // NOTE: <cvr-qualifiers> here is always 'B' (const). <storage-class> |
| 1767 | // is always '6' for vftables and '7' for vbtables. (The difference is |
| 1768 | // beyond me.) |
| 1769 | // TODO: vbtables. |
| 1770 | MicrosoftCXXNameMangler Mangler(*this, Out); |
| 1771 | Mangler.getStream() << "\01??_7"; |
| 1772 | Mangler.mangleName(RD); |
| 1773 | Mangler.getStream() << "6B"; |
| 1774 | // TODO: If the class has more than one vtable, mangle in the class it came |
| 1775 | // from. |
| 1776 | Mangler.getStream() << '@'; |
| 1777 | } |
| 1778 | void MicrosoftMangleContext::mangleCXXVTT(const CXXRecordDecl *RD, |
| 1779 | raw_ostream &) { |
| 1780 | llvm_unreachable("The MS C++ ABI does not have virtual table tables!"); |
| 1781 | } |
| 1782 | void MicrosoftMangleContext::mangleCXXCtorVTable(const CXXRecordDecl *RD, |
| 1783 | int64_t Offset, |
| 1784 | const CXXRecordDecl *Type, |
| 1785 | raw_ostream &) { |
| 1786 | llvm_unreachable("The MS C++ ABI does not have constructor vtables!"); |
| 1787 | } |
| 1788 | void MicrosoftMangleContext::mangleCXXRTTI(QualType T, |
| 1789 | raw_ostream &) { |
| 1790 | // FIXME: Give a location... |
| 1791 | unsigned DiagID = getDiags().getCustomDiagID(DiagnosticsEngine::Error, |
| 1792 | "cannot mangle RTTI descriptors for type %0 yet"); |
| 1793 | getDiags().Report(DiagID) |
| 1794 | << T.getBaseTypeIdentifier(); |
| 1795 | } |
| 1796 | void MicrosoftMangleContext::mangleCXXRTTIName(QualType T, |
| 1797 | raw_ostream &) { |
| 1798 | // FIXME: Give a location... |
| 1799 | unsigned DiagID = getDiags().getCustomDiagID(DiagnosticsEngine::Error, |
| 1800 | "cannot mangle the name of type %0 into RTTI descriptors yet"); |
| 1801 | getDiags().Report(DiagID) |
| 1802 | << T.getBaseTypeIdentifier(); |
| 1803 | } |
| 1804 | void MicrosoftMangleContext::mangleCXXCtor(const CXXConstructorDecl *D, |
| 1805 | CXXCtorType Type, |
| 1806 | raw_ostream & Out) { |
| 1807 | MicrosoftCXXNameMangler mangler(*this, Out); |
| 1808 | mangler.mangle(D); |
| 1809 | } |
| 1810 | void MicrosoftMangleContext::mangleCXXDtor(const CXXDestructorDecl *D, |
| 1811 | CXXDtorType Type, |
| 1812 | raw_ostream & Out) { |
Timur Iskhodzhanov | 59660c2 | 2013-02-13 08:37:51 +0000 | [diff] [blame] | 1813 | MicrosoftCXXNameMangler mangler(*this, Out, D, Type); |
Guy Benyei | 7f92f2d | 2012-12-18 14:30:41 +0000 | [diff] [blame] | 1814 | mangler.mangle(D); |
| 1815 | } |
| 1816 | void MicrosoftMangleContext::mangleReferenceTemporary(const clang::VarDecl *VD, |
| 1817 | raw_ostream &) { |
| 1818 | unsigned DiagID = getDiags().getCustomDiagID(DiagnosticsEngine::Error, |
| 1819 | "cannot mangle this reference temporary yet"); |
| 1820 | getDiags().Report(VD->getLocation(), DiagID); |
| 1821 | } |
| 1822 | |
| 1823 | MangleContext *clang::createMicrosoftMangleContext(ASTContext &Context, |
| 1824 | DiagnosticsEngine &Diags) { |
| 1825 | return new MicrosoftMangleContext(Context, Diags); |
| 1826 | } |