Mangle tag types (unions, structs, classes, enums) in the Microsoft C++ Mangler.
Also, test that static members with default visibility in a struct have the right mangling. llvm-svn: 106276
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@ -47,6 +47,7 @@ public:
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void mangleName(const NamedDecl *ND);
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void mangleFunctionEncoding(const FunctionDecl *FD);
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void mangleVariableEncoding(const VarDecl *VD);
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void mangleNumber(int64_t Number);
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void mangleType(QualType T);
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private:
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@ -67,6 +68,7 @@ private:
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#define TYPE(CLASS, PARENT) void mangleType(const CLASS##Type *T);
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#include "clang/AST/TypeNodes.def"
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void mangleType(const TagType*);
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void mangleType(const FunctionType *T, bool IsStructor);
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void mangleFunctionClass(const FunctionDecl *FD);
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void mangleCallingConvention(const FunctionType *T);
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@ -285,6 +287,30 @@ void MicrosoftCXXNameMangler::mangleName(const NamedDecl *ND) {
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Out << '@';
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}
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void MicrosoftCXXNameMangler::mangleNumber(int64_t Number) {
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// <number> ::= [?] <decimal digit> # <= 9
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// ::= [?] <hex digit>+ @ # > 9; A = 0, B = 1, etc...
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if (Number < 0) {
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Out << '?';
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Number = -Number;
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}
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if (Number <= 9) {
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Out << Number;
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} else {
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// We have to build up the encoding in reverse order, so it will come
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// out right when we write it out.
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char Encoding[16];
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char *EndPtr = Encoding+sizeof(Encoding);
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char *CurPtr = EndPtr;
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while (Number) {
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*--CurPtr = 'A' + (Number % 16);
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Number /= 16;
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}
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Out.write(CurPtr, EndPtr-CurPtr);
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Out << '@';
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}
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}
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void
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MicrosoftCXXNameMangler::mangleUnqualifiedName(const NamedDecl *ND,
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DeclarationName Name) {
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@ -627,6 +653,12 @@ return;
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case Type::Builtin:
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mangleType(static_cast<BuiltinType *>(T.getTypePtr()));
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break;
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case Type::Enum:
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mangleType(static_cast<EnumType *>(T.getTypePtr()));
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break;
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case Type::Record:
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mangleType(static_cast<RecordType *>(T.getTypePtr()));
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break;
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default:
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assert(false && "Don't know how to mangle this type!");
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break;
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@ -850,6 +882,37 @@ void MicrosoftCXXNameMangler::mangleThrowSpecification(
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}
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}
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// <type> ::= <union-type> | <struct-type> | <class-type> | <enum-type>
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// <union-type> ::= T <name>
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// <struct-type> ::= U <name>
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// <class-type> ::= V <name>
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// <enum-type> ::= W <size> <name>
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void MicrosoftCXXNameMangler::mangleType(const EnumType *T) {
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mangleType(static_cast<const TagType*>(T));
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}
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void MicrosoftCXXNameMangler::mangleType(const RecordType *T) {
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mangleType(static_cast<const TagType*>(T));
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}
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void MicrosoftCXXNameMangler::mangleType(const TagType *T) {
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switch (T->getDecl()->getTagKind()) {
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case TTK_Union:
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Out << 'T';
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break;
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case TTK_Struct:
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Out << 'U';
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break;
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case TTK_Class:
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Out << 'V';
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break;
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case TTK_Enum:
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Out << 'W';
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mangleNumber(getASTContext().getTypeSizeInChars(
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cast<EnumDecl>(T->getDecl())->getIntegerType()).getQuantity());
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break;
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}
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mangleName(T->getDecl());
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}
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void MicrosoftMangleContext::mangleName(const NamedDecl *D,
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llvm::SmallVectorImpl<char> &Name) {
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assert((isa<FunctionDecl>(D) || isa<VarDecl>(D)) &&
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@ -6,6 +6,7 @@
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// CHECK: @"\01?d@foo@@0FB"
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// CHECK: @"\01?e@foo@@1JC"
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// CHECK: @"\01?f@foo@@2DD"
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// CHECK: @"\01?g@bar@@2HA"
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int a;
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@ -24,6 +25,22 @@ public:
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int operator+(int a);
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};
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struct bar {
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static int g;
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};
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union baz {
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int a;
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char b;
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double c;
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};
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enum quux {
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qone,
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qtwo,
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qthree
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};
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int foo::operator+(int a) {return a;}
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// CHECK: @"\01??Hfoo@@QAAHH@Z"
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@ -31,6 +48,8 @@ const short foo::d = 0;
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volatile long foo::e;
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const volatile char foo::f = 'C';
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int bar::g;
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// Static functions are mangled, too.
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// Also make sure calling conventions, arglists, and throw specs work.
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static void __stdcall alpha(float a, double b) throw() {}
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@ -42,3 +61,7 @@ bool __fastcall beta(long long a, wchar_t b) throw(signed char, unsigned char) {
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// CHECK: @"\01?alpha@@YGXMN@@"
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// Make sure tag-type mangling works.
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void gamma(class foo, struct bar, union baz, enum quux) {}
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// CHECK: @"\01?gamma@@YAXVfoo@@Ubar@@Tbaz@@W4quux@@@Z"
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