[llvm] r337584 - Add a Microsoft Demangler.
Erik Pilkington via llvm-commits
llvm-commits at lists.llvm.org
Fri Jul 20 10:47:13 PDT 2018
On 7/20/18 10:27 AM, Zachary Turner via llvm-commits wrote:
> Author: zturner
> Date: Fri Jul 20 10:27:48 2018
> New Revision: 337584
>
> URL: http://llvm.org/viewvc/llvm-project?rev=337584&view=rev
> Log:
> Add a Microsoft Demangler.
>
> This adds initial support for a demangling library (LLVMDemangle)
> and tool (llvm-undname) for demangling Microsoft names. This
> doesn't cover 100% of cases and there are some known limitations
> which I intend to address in followup patches, at least until such
> time that we have (near) 100% test coverage matching up with all
> of the test cases in clang/test/CodeGenCXX/mangle-ms-*.
>
> Differential Revision: https://reviews.llvm.org/D49552
>
> Added:
> llvm/trunk/lib/Demangle/MicrosoftDemangle.cpp
> llvm/trunk/test/Demangle/ms-basic.test
> llvm/trunk/test/Demangle/ms-mangle.test
> llvm/trunk/test/Demangle/ms-windows.test
> llvm/trunk/tools/llvm-undname/
> llvm/trunk/tools/llvm-undname/CMakeLists.txt
> llvm/trunk/tools/llvm-undname/LLVMBuild.txt
> llvm/trunk/tools/llvm-undname/llvm-undname.cpp
> Modified:
> llvm/trunk/include/llvm/Demangle/Demangle.h
> llvm/trunk/lib/Demangle/CMakeLists.txt
> llvm/trunk/tools/LLVMBuild.txt
>
> Modified: llvm/trunk/include/llvm/Demangle/Demangle.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Demangle/Demangle.h?rev=337584&r1=337583&r2=337584&view=diff
> ==============================================================================
> --- llvm/trunk/include/llvm/Demangle/Demangle.h (original)
> +++ llvm/trunk/include/llvm/Demangle/Demangle.h Fri Jul 20 10:27:48 2018
> @@ -16,7 +16,7 @@ namespace llvm {
> /// The mangled_name is demangled into buf and returned. If the buffer is not
> /// large enough, realloc is used to expand it.
> ///
> -/// The *status will be set to a value from the enumeration
> +/// The *status will be set to a value from the following enumeration
> enum : int {
> demangle_unknown_error = -4,
> demangle_invalid_args = -3,
> @@ -27,6 +27,8 @@ enum : int {
>
> char *itaniumDemangle(const char *mangled_name, char *buf, size_t *n,
> int *status);
> +char *microsoftDemangle(const char *mangled_name, char *buf, size_t *n,
> + int *status);
>
> /// "Partial" demangler. This supports demangling a string into an AST
> /// (typically an intermediate stage in itaniumDemangle) and querying certain
>
> Modified: llvm/trunk/lib/Demangle/CMakeLists.txt
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Demangle/CMakeLists.txt?rev=337584&r1=337583&r2=337584&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Demangle/CMakeLists.txt (original)
> +++ llvm/trunk/lib/Demangle/CMakeLists.txt Fri Jul 20 10:27:48 2018
> @@ -1,6 +1,7 @@
> add_llvm_library(LLVMDemangle
> ItaniumDemangle.cpp
> -
> + MicrosoftDemangle.cpp
> +
> ADDITIONAL_HEADER_DIRS
> "${LLVM_MAIN_INCLUDE_DIR}/llvm/Demangle"
> )
>
> Added: llvm/trunk/lib/Demangle/MicrosoftDemangle.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Demangle/MicrosoftDemangle.cpp?rev=337584&view=auto
> ==============================================================================
> --- llvm/trunk/lib/Demangle/MicrosoftDemangle.cpp (added)
> +++ llvm/trunk/lib/Demangle/MicrosoftDemangle.cpp Fri Jul 20 10:27:48 2018
> @@ -0,0 +1,1533 @@
> +//===- MicrosoftDemangle.cpp ----------------------------------------------===//
> +//
> +// The LLVM Compiler Infrastructure
> +//
> +// This file is dual licensed under the MIT and the University of Illinois Open
> +// Source Licenses. See LICENSE.TXT for details.
> +//
> +//===----------------------------------------------------------------------===//
> +//
> +// This file defines a demangler for MSVC-style mangled symbols.
> +//
> +// This file has no dependencies on the rest of LLVM so that it can be
> +// easily reused in other programs such as libcxxabi.
> +//
> +//===----------------------------------------------------------------------===//
> +
> +#include "llvm/Demangle/Demangle.h"
> +
> +#include "Compiler.h"
> +#include "StringView.h"
> +#include "Utility.h"
> +
> +#include <cctype>
> +
> +// This memory allocator is extremely fast, but it doesn't call dtors
> +// for allocated objects. That means you can't use STL containers
> +// (such as std::vector) with this allocator. But it pays off --
> +// the demangler is 3x faster with this allocator compared to one with
> +// STL containers.
> +namespace {
> +class ArenaAllocator {
> + struct AllocatorNode {
> + uint8_t *Buf = nullptr;
> + size_t Used = 0;
> + AllocatorNode *Next = nullptr;
> + };
> +
> +public:
> + ArenaAllocator() : Head(new AllocatorNode) { Head->Buf = new uint8_t[Unit]; }
> +
> + ~ArenaAllocator() {
> + while (Head) {
> + assert(Head->Buf);
> + delete[] Head->Buf;
> + Head = Head->Next;
> + }
> + }
> +
> + void *alloc(size_t Size) {
> + assert(Size < Unit);
> + assert(Head && Head->Buf);
> +
> + uint8_t *P = Head->Buf + Head->Used;
> + Head->Used += Size;
Don't you need to handle alignment here?
> + if (Head->Used < Unit)
> + return P;
> +
> + AllocatorNode *NewHead = new AllocatorNode;
> + NewHead->Buf = new uint8_t[ArenaAllocator::Unit];
> + NewHead->Next = Head;
> + Head = NewHead;
> + NewHead->Used = Size;
> + return NewHead->Buf;
> + }
> +
> +private:
> + static constexpr size_t Unit = 4096;
> +
> + AllocatorNode *Head = nullptr;
> +};
> +} // namespace
> +
> +static bool startsWithDigit(StringView S) {
> + return !S.empty() && std::isdigit(S.front());
> +}
> +
> +// Writes a space if the last token does not end with a punctuation.
> +static void outputSpaceIfNecessary(OutputStream &OS) {
> + if (OS.empty())
> + return;
> +
> + char C = OS.back();
> + if (isalnum(C) || C == '>')
> + OS << " ";
> +}
> +
> +void *operator new(size_t Size, ArenaAllocator &A) { return A.alloc(Size); }
> +
> +// Storage classes
> +enum Qualifiers : uint8_t {
> + Q_None = 0,
> + Q_Const = 1 << 0,
> + Q_Volatile = 1 << 1,
> + Q_Far = 1 << 2,
> + Q_Huge = 1 << 3,
> + Q_Unaligned = 1 << 4,
> + Q_Restrict = 1 << 5,
> + Q_Pointer64 = 1 << 6
> +};
> +
> +enum class StorageClass : uint8_t {
> + None,
> + PrivateStatic,
> + ProtectedStatic,
> + PublicStatic,
> + Global,
> + FunctionLocalStatic
> +};
> +
> +enum class QualifierMangleMode { Drop, Mangle, Result };
> +enum class QualifierMangleLocation { Member, NonMember, Detect };
> +
> +// Calling conventions
> +enum class CallingConv : uint8_t {
> + None,
> + Cdecl,
> + Pascal,
> + Thiscall,
> + Stdcall,
> + Fastcall,
> + Clrcall,
> + Eabi,
> + Vectorcall,
> + Regcall,
> +};
> +
> +enum class ReferenceKind : uint8_t { None, LValueRef, RValueRef };
> +
> +// Types
> +enum class PrimTy : uint8_t {
> + Unknown,
> + None,
> + Function,
> + Ptr,
> + Ref,
> + Array,
> +
> + Struct,
> + Union,
> + Class,
> + Enum,
> +
> + Void,
> + Bool,
> + Char,
> + Schar,
> + Uchar,
> + Short,
> + Ushort,
> + Int,
> + Uint,
> + Long,
> + Ulong,
> + Int64,
> + Uint64,
> + Wchar,
> + Float,
> + Double,
> + Ldouble,
> +};
> +
> +// Function classes
> +enum FuncClass : uint8_t {
> + Public = 1 << 0,
> + Protected = 1 << 1,
> + Private = 1 << 2,
> + Global = 1 << 3,
> + Static = 1 << 4,
> + Virtual = 1 << 5,
> + FFar = 1 << 6,
> +};
> +
> +namespace {
> +
> +struct Type;
> +
> +// Represents a list of parameters (template params or function arguments.
> +// It's represented as a linked list.
> +struct ParamList {
> + Type *Current = nullptr;
> +
> + ParamList *Next = nullptr;
> +};
> +
> +// The type class. Mangled symbols are first parsed and converted to
> +// this type and then converted to string.
> +struct Type {
> + virtual ~Type() {}
> +
> + virtual Type *clone(ArenaAllocator &Arena) const;
> +
> + // Write the "first half" of a given type. This is a static functions to
> + // give the code a chance to do processing that is common to a subset of
> + // subclasses
> + static void outputPre(OutputStream &OS, Type &Ty);
> +
> + // Write the "second half" of a given type. This is a static functions to
> + // give the code a chance to do processing that is common to a subset of
> + // subclasses
> + static void outputPost(OutputStream &OS, Type &Ty);
> +
> + virtual void outputPre(OutputStream &OS);
> + virtual void outputPost(OutputStream &OS);
> +
> + // Primitive type such as Int.
> + PrimTy Prim = PrimTy::Unknown;
> +
> + Qualifiers Quals = Q_None;
> + StorageClass Storage = StorageClass::None; // storage class
> +};
> +
> +// Represents an identifier which may be a template.
> +struct Name {
> + // Name read from an MangledName string.
> + StringView Str;
> +
> + // Overloaded operators are represented as special BackReferences in mangled
> + // symbols. If this is an operator name, "op" has an operator name (e.g.
> + // ">>"). Otherwise, empty.
> + StringView Operator;
> +
> + // Template parameters. Null if not a template.
> + ParamList TemplateParams;
> +
> + // Nested BackReferences (e.g. "A::B::C") are represented as a linked list.
> + Name *Next = nullptr;
> +};
> +
> +struct PointerType : public Type {
> + Type *clone(ArenaAllocator &Arena) const override;
> + void outputPre(OutputStream &OS);
> + void outputPost(OutputStream &OS) override;
> +
> + bool isMemberPointer() const { return false; }
> +
> + // Represents a type X in "a pointer to X", "a reference to X",
> + // "an array of X", or "a function returning X".
> + Type *Pointee = nullptr;
> +};
> +
> +struct FunctionType : public Type {
> + Type *clone(ArenaAllocator &Arena) const override;
> + void outputPre(OutputStream &OS);
> + void outputPost(OutputStream &OS);
> +
> + Type *ReturnType = nullptr;
> + // If this is a reference, the type of reference.
> + ReferenceKind RefKind;
> +
> + CallingConv CallConvention;
> + FuncClass FunctionClass;
> +
> + ParamList Params;
> +};
> +
> +struct UdtType : public Type {
> + Type *clone(ArenaAllocator &Arena) const override;
> + void outputPre(OutputStream &OS) override;
> +
> + Name *UdtName = nullptr;
> +};
> +
> +struct ArrayType : public Type {
> + Type *clone(ArenaAllocator &Arena) const override;
> + void outputPre(OutputStream &OS) override;
> + void outputPost(OutputStream &OS) override;
> +
> + // Either NextDimension or ElementType will be valid.
> + ArrayType *NextDimension = nullptr;
> + uint32_t ArrayDimension = 0;
> +
> + Type *ElementType = nullptr;
> +};
> +
> +} // namespace
> +
> +static void outputCallingConvention(OutputStream &OS, CallingConv CC) {
> + outputSpaceIfNecessary(OS);
> +
> + switch (CC) {
> + case CallingConv::Cdecl:
> + OS << "__cdecl";
> + break;
> + case CallingConv::Fastcall:
> + OS << "__fastcall";
> + break;
> + case CallingConv::Pascal:
> + OS << "__pascal";
> + break;
> + case CallingConv::Regcall:
> + OS << "__regcall";
> + break;
> + case CallingConv::Stdcall:
> + OS << "__stdcall";
> + break;
> + case CallingConv::Thiscall:
> + OS << "__thiscall";
> + break;
> + case CallingConv::Eabi:
> + OS << "__eabi";
> + break;
> + case CallingConv::Vectorcall:
> + OS << "__vectorcall";
> + break;
> + case CallingConv::Clrcall:
> + OS << "__clrcall";
> + break;
> + default:
> + break;
> + }
> +}
> +
> +// Write a function or template parameter list.
> +static void outputParameterList(OutputStream &OS, const ParamList &Params) {
> + const ParamList *Head = &Params;
> + while (Head) {
> + Type::outputPre(OS, *Head->Current);
> + Type::outputPost(OS, *Head->Current);
> +
> + Head = Head->Next;
> +
> + if (Head)
> + OS << ", ";
> + }
> +}
> +
> +static void outputTemplateParams(OutputStream &OS, const Name &TheName) {
> + if (!TheName.TemplateParams.Current)
> + return;
> +
> + OS << "<";
> + outputParameterList(OS, TheName.TemplateParams);
> + OS << ">";
> +}
> +
> +static void outputName(OutputStream &OS, const Name *TheName) {
> + if (!TheName)
> + return;
> +
> + outputSpaceIfNecessary(OS);
> +
> + // Print out namespaces or outer class BackReferences.
> + for (; TheName->Next; TheName = TheName->Next) {
> + OS << TheName->Str;
> + outputTemplateParams(OS, *TheName);
> + OS << "::";
> + }
> +
> + // Print out a regular name.
> + if (TheName->Operator.empty()) {
> + OS << TheName->Str;
> + outputTemplateParams(OS, *TheName);
> + return;
> + }
> +
> + // Print out ctor or dtor.
> + if (TheName->Operator == "ctor" || TheName->Operator == "dtor") {
> + OS << TheName->Str;
> + outputTemplateParams(OS, *TheName);
> + OS << "::";
> + if (TheName->Operator == "dtor")
> + OS << "~";
> + OS << TheName->Str;
> + outputTemplateParams(OS, *TheName);
> + return;
> + }
> +
> + // Print out an overloaded operator.
> + if (!TheName->Str.empty())
> + OS << TheName->Str << "::";
> + OS << "operator" << TheName->Operator;
> +}
> +
> +namespace {
> +
> +Type *Type::clone(ArenaAllocator &Arena) const {
> + return new (Arena) Type(*this);
> +}
> +
> +// Write the "first half" of a given type.
> +void Type::outputPre(OutputStream &OS, Type &Ty) {
> + // Function types require custom handling of const and static so we
> + // handle them separately. All other types use the same decoration
> + // for these modifiers, so handle them here in common code.
> + if (Ty.Prim == PrimTy::Function) {
> + Ty.outputPre(OS);
> + return;
> + }
> +
> + switch (Ty.Storage) {
> + case StorageClass::PrivateStatic:
> + case StorageClass::PublicStatic:
> + case StorageClass::ProtectedStatic:
> + OS << "static ";
> + default:
> + break;
> + }
> + Ty.outputPre(OS);
> +
> + if (Ty.Quals & Q_Const) {
> + outputSpaceIfNecessary(OS);
> + OS << "const";
> + }
> +
> + if (Ty.Quals & Q_Volatile) {
> + outputSpaceIfNecessary(OS);
> + OS << "volatile";
> + }
> +}
> +
> +// Write the "second half" of a given type.
> +void Type::outputPost(OutputStream &OS, Type &Ty) { Ty.outputPost(OS); }
> +
> +void Type::outputPre(OutputStream &OS) {
> + switch (Prim) {
> + case PrimTy::Void:
> + OS << "void";
> + break;
> + case PrimTy::Bool:
> + OS << "bool";
> + break;
> + case PrimTy::Char:
> + OS << "char";
> + break;
> + case PrimTy::Schar:
> + OS << "signed char";
> + break;
> + case PrimTy::Uchar:
> + OS << "unsigned char";
> + break;
> + case PrimTy::Short:
> + OS << "short";
> + break;
> + case PrimTy::Ushort:
> + OS << "unsigned short";
> + break;
> + case PrimTy::Int:
> + OS << "int";
> + break;
> + case PrimTy::Uint:
> + OS << "unsigned int";
> + break;
> + case PrimTy::Long:
> + OS << "long";
> + break;
> + case PrimTy::Ulong:
> + OS << "unsigned long";
> + break;
> + case PrimTy::Int64:
> + OS << "__int64";
> + break;
> + case PrimTy::Uint64:
> + OS << "unsigned __int64";
> + break;
> + case PrimTy::Wchar:
> + OS << "wchar_t";
> + break;
> + case PrimTy::Float:
> + OS << "float";
> + break;
> + case PrimTy::Double:
> + OS << "double";
> + break;
> + case PrimTy::Ldouble:
> + OS << "long double";
> + break;
> + default:
> + assert(false && "Invalid primitive type!");
> + }
> +}
> +void Type::outputPost(OutputStream &OS) {}
> +
> +Type *PointerType::clone(ArenaAllocator &Arena) const {
> + return new (Arena) PointerType(*this);
> +}
> +
> +void PointerType::outputPre(OutputStream &OS) {
> + Type::outputPre(OS, *Pointee);
> +
> + outputSpaceIfNecessary(OS);
> +
> + if (Quals & Q_Unaligned)
> + OS << "__unaligned ";
> +
> + // "[]" and "()" (for function parameters) take precedence over "*",
> + // so "int *x(int)" means "x is a function returning int *". We need
> + // parentheses to supercede the default precedence. (e.g. we want to
> + // emit something like "int (*x)(int)".)
> + if (Pointee->Prim == PrimTy::Function || Pointee->Prim == PrimTy::Array)
> + OS << "(";
> +
> + if (Prim == PrimTy::Ptr)
> + OS << "*";
> + else
> + OS << "&";
> +
> + // if (Ty.Quals & Q_Pointer64)
> + // OS << " __ptr64";
> + if (Quals & Q_Restrict)
> + OS << " __restrict";
> +}
> +
> +void PointerType::outputPost(OutputStream &OS) {
> + if (Pointee->Prim == PrimTy::Function || Pointee->Prim == PrimTy::Array)
> + OS << ")";
> +
> + Type::outputPost(OS, *Pointee);
> +}
> +
> +Type *FunctionType::clone(ArenaAllocator &Arena) const {
> + return new (Arena) FunctionType(*this);
> +}
> +
> +void FunctionType::outputPre(OutputStream &OS) {
> + if (!(FunctionClass & Global)) {
> + if (FunctionClass & Static)
> + OS << "static ";
> + }
> +
> + if (ReturnType)
> + Type::outputPre(OS, *ReturnType);
> +
> + outputCallingConvention(OS, CallConvention);
> +}
> +
> +void FunctionType::outputPost(OutputStream &OS) {
> + OS << "(";
> + outputParameterList(OS, Params);
> + OS << ")";
> + if (Quals & Q_Const)
> + OS << " const";
> + if (Quals & Q_Volatile)
> + OS << " volatile";
> + return;
> +}
> +
> +Type *UdtType::clone(ArenaAllocator &Arena) const {
> + return new (Arena) UdtType(*this);
> +}
> +
> +void UdtType::outputPre(OutputStream &OS) {
> + switch (Prim) {
> + case PrimTy::Class:
> + OS << "class ";
> + break;
> + case PrimTy::Struct:
> + OS << "struct ";
> + break;
> + case PrimTy::Union:
> + OS << "union ";
> + break;
> + case PrimTy::Enum:
> + OS << "enum ";
> + break;
> + default:
> + assert(false && "Not a udt type!");
> + }
> +
> + outputName(OS, UdtName);
> +}
> +
> +Type *ArrayType::clone(ArenaAllocator &Arena) const {
> + return new (Arena) ArrayType(*this);
> +}
> +
> +void ArrayType::outputPre(OutputStream &OS) {
> + Type::outputPre(OS, *ElementType);
> +}
> +
> +void ArrayType::outputPost(OutputStream &OS) {
> + if (ArrayDimension > 0)
> + OS << "[" << ArrayDimension << "]";
> + if (NextDimension)
> + Type::outputPost(OS, *NextDimension);
> + else if (ElementType)
> + Type::outputPost(OS, *ElementType);
> +}
> +
> +} // namespace
> +
> +namespace {
> +
> +// Demangler class takes the main role in demangling symbols.
> +// It has a set of functions to parse mangled symbols into Type instances.
> +// It also has a set of functions to cnovert Type instances to strings.
> +class Demangler {
> +public:
> + Demangler(OutputStream &OS, StringView s) : OS(OS), MangledName(s) {}
> +
> + // You are supposed to call parse() first and then check if error is true. If
> + // it is false, call output() to write the formatted name to the given stream.
> + void parse();
> + void output();
> +
> + // True if an error occurred.
> + bool Error = false;
> +
> +private:
> + Type *demangleVariableEncoding();
> + Type *demangleFunctionEncoding();
> +
> + Qualifiers demanglePointerExtQualifiers();
> +
> + // Parser functions. This is a recursive-descent parser.
> + Type *demangleType(QualifierMangleMode QMM);
> + Type *demangleBasicType();
> + UdtType *demangleClassType();
> + PointerType *demanglePointerType();
> +
> + ArrayType *demangleArrayType();
> +
> + ParamList demangleParameterList();
> +
> + int demangleNumber();
> + void demangleNamePiece(Name &Node, bool IsHead);
> +
> + StringView demangleString(bool memorize);
> + void memorizeString(StringView s);
> + Name *demangleName();
> + void demangleOperator(Name *);
> + StringView demangleOperatorName();
> + int demangleFunctionClass();
> + CallingConv demangleCallingConvention();
> + StorageClass demangleVariableStorageClass();
> + ReferenceKind demangleReferenceKind();
> +
> + Qualifiers demangleFunctionQualifiers();
> + Qualifiers demangleVariablQ_ifiers();
> + Qualifiers demangleReturnTypQ_ifiers();
> +
> + Qualifiers demangleQualifiers(
> + QualifierMangleLocation Location = QualifierMangleLocation::Detect);
> +
> + // Mangled symbol. demangle* functions shorten this string
> + // as they parse it.
> + StringView MangledName;
> +
> + // A parsed mangled symbol.
> + Type *SymbolType;
> +
> + // The main symbol name. (e.g. "ns::foo" in "int ns::foo()".)
> + Name *SymbolName = nullptr;
> +
> + // Memory allocator.
> + ArenaAllocator Arena;
> +
> + // The first 10 BackReferences in a mangled name can be back-referenced by
> + // special name @[0-9]. This is a storage for the first 10 BackReferences.
> + StringView BackReferences[10];
> + size_t BackRefCount = 0;
> +
> + // The result is written to this stream.
> + OutputStream OS;
> +};
> +} // namespace
> +
> +// Parser entry point.
> +void Demangler::parse() {
> + // MSVC-style mangled symbols must start with '?'.
> + if (!MangledName.consumeFront("?")) {
> + SymbolName = new (Arena) Name;
> + SymbolName->Str = MangledName;
> + SymbolType = new (Arena) Type;
> + SymbolType->Prim = PrimTy::Unknown;
> + }
> +
> + // What follows is a main symbol name. This may include
> + // namespaces or class BackReferences.
> + SymbolName = demangleName();
> +
> + // Read a variable.
> + if (startsWithDigit(MangledName)) {
> + SymbolType = demangleVariableEncoding();
> + return;
> + }
> +
> + // Read a function.
> + SymbolType = demangleFunctionEncoding();
> +}
> +
> +// <type-encoding> ::= <storage-class> <variable-type>
> +// <storage-class> ::= 0 # private static member
> +// ::= 1 # protected static member
> +// ::= 2 # public static member
> +// ::= 3 # global
> +// ::= 4 # static local
> +
> +Type *Demangler::demangleVariableEncoding() {
> + StorageClass SC = demangleVariableStorageClass();
> +
> + Type *Ty = demangleType(QualifierMangleMode::Drop);
> +
> + Ty->Storage = SC;
> +
> + // <variable-type> ::= <type> <cvr-qualifiers>
> + // ::= <type> <pointee-cvr-qualifiers> # pointers, references
> + switch (Ty->Prim) {
> + case PrimTy::Ptr:
> + case PrimTy::Ref: {
> + Qualifiers ExtraChildQuals = Q_None;
> + Ty->Quals = Qualifiers(Ty->Quals | demanglePointerExtQualifiers());
> +
> + PointerType *PTy = static_cast<PointerType *>(Ty);
> + QualifierMangleLocation Location = PTy->isMemberPointer()
> + ? QualifierMangleLocation::Member
> + : QualifierMangleLocation::NonMember;
> +
> + ExtraChildQuals = demangleQualifiers(Location);
> +
> + if (PTy->isMemberPointer()) {
> + Name *BackRefName = demangleName();
> + (void)BackRefName;
> + }
> +
> + PTy->Pointee->Quals = Qualifiers(PTy->Pointee->Quals | ExtraChildQuals);
> + break;
> + }
> + default:
> + Ty->Quals = demangleQualifiers();
> + break;
> + }
> +
> + return Ty;
> +}
> +
> +// Sometimes numbers are encoded in mangled symbols. For example,
> +// "int (*x)[20]" is a valid C type (x is a pointer to an array of
> +// length 20), so we need some way to embed numbers as part of symbols.
> +// This function parses it.
> +//
> +// <number> ::= [?] <non-negative integer>
> +//
> +// <non-negative integer> ::= <decimal digit> # when 1 <= Number <= 10
> +// ::= <hex digit>+ @ # when Numbrer == 0 or >= 10
> +//
> +// <hex-digit> ::= [A-P] # A = 0, B = 1, ...
> +int Demangler::demangleNumber() {
> + bool neg = MangledName.consumeFront("?");
> +
> + if (startsWithDigit(MangledName)) {
> + int32_t Ret = MangledName[0] - '0' + 1;
> + MangledName = MangledName.dropFront(1);
> + return neg ? -Ret : Ret;
> + }
> +
> + int Ret = 0;
> + for (size_t i = 0; i < MangledName.size(); ++i) {
> + char C = MangledName[i];
> + if (C == '@') {
> + MangledName = MangledName.dropFront(i + 1);
> + return neg ? -Ret : Ret;
> + }
> + if ('A' <= C && C <= 'P') {
> + Ret = (Ret << 4) + (C - 'A');
> + continue;
> + }
> + break;
> + }
> +
> + Error = true;
> + return 0;
> +}
> +
> +// Read until the next '@'.
> +StringView Demangler::demangleString(bool Memorize) {
> + for (size_t i = 0; i < MangledName.size(); ++i) {
> + if (MangledName[i] != '@')
> + continue;
> + StringView ret = MangledName.substr(0, i);
> + MangledName = MangledName.dropFront(i + 1);
> +
> + if (Memorize)
> + memorizeString(ret);
> + return ret;
> + }
> +
> + Error = true;
> + return "";
> +}
> +
> +// First 10 strings can be referenced by special BackReferences ?0, ?1, ..., ?9.
> +// Memorize it.
> +void Demangler::memorizeString(StringView S) {
> + if (BackRefCount >= sizeof(BackReferences) / sizeof(*BackReferences))
> + return;
> + for (size_t i = 0; i < BackRefCount; ++i)
> + if (S == BackReferences[i])
> + return;
> + BackReferences[BackRefCount++] = S;
> +}
> +
> +void Demangler::demangleNamePiece(Name &Node, bool IsHead) {
> + if (startsWithDigit(MangledName)) {
> + size_t I = MangledName[0] - '0';
> + if (I >= BackRefCount) {
> + Error = true;
> + return;
> + }
> + MangledName = MangledName.dropFront();
> + Node.Str = BackReferences[I];
> + } else if (MangledName.consumeFront("?$")) {
> + // Class template.
> + Node.Str = demangleString(false);
> + Node.TemplateParams = demangleParameterList();
> + if (!MangledName.consumeFront('@')) {
> + Error = true;
> + return;
> + }
> + } else if (!IsHead && MangledName.consumeFront("?A")) {
> + // Anonymous namespace starts with ?A. So does overloaded operator[],
> + // but the distinguishing factor is that namespace themselves are not
> + // mangled, only the variables and functions inside of them are. So
> + // an anonymous namespace will never occur as the first item in the
> + // name.
> + Node.Str = "`anonymous namespace'";
> + if (!MangledName.consumeFront('@')) {
> + Error = true;
> + return;
> + }
> + } else if (MangledName.consumeFront("?")) {
> + // Overloaded operator.
> + demangleOperator(&Node);
> + } else {
> + // Non-template functions or classes.
> + Node.Str = demangleString(true);
> + }
> +}
> +
> +// Parses a name in the form of A at B@C@@ which represents C::B::A.
> +Name *Demangler::demangleName() {
> + Name *Head = nullptr;
> +
> + while (!MangledName.consumeFront("@")) {
> + Name *Elem = new (Arena) Name;
> +
> + assert(!Error);
> + demangleNamePiece(*Elem, Head == nullptr);
> + if (Error)
> + return nullptr;
> +
> + Elem->Next = Head;
> + Head = Elem;
> + }
> +
> + return Head;
> +}
> +
> +void Demangler::demangleOperator(Name *OpName) {
> + OpName->Operator = demangleOperatorName();
> + if (!Error && !MangledName.empty() && MangledName.front() != '@')
> + demangleNamePiece(*OpName, false);
> +}
> +
> +StringView Demangler::demangleOperatorName() {
> + SwapAndRestore<StringView> RestoreOnError(MangledName, MangledName);
> + RestoreOnError.shouldRestore(false);
> +
> + switch (MangledName.popFront()) {
> + case '0':
> + return "ctor";
> + case '1':
> + return "dtor";
> + case '2':
> + return " new";
> + case '3':
> + return " delete";
> + case '4':
> + return "=";
> + case '5':
> + return ">>";
> + case '6':
> + return "<<";
> + case '7':
> + return "!";
> + case '8':
> + return "==";
> + case '9':
> + return "!=";
> + case 'A':
> + return "[]";
> + case 'C':
> + return "->";
> + case 'D':
> + return "*";
> + case 'E':
> + return "++";
> + case 'F':
> + return "--";
> + case 'G':
> + return "-";
> + case 'H':
> + return "+";
> + case 'I':
> + return "&";
> + case 'J':
> + return "->*";
> + case 'K':
> + return "/";
> + case 'L':
> + return "%";
> + case 'M':
> + return "<";
> + case 'N':
> + return "<=";
> + case 'O':
> + return ">";
> + case 'P':
> + return ">=";
> + case 'Q':
> + return ",";
> + case 'R':
> + return "()";
> + case 'S':
> + return "~";
> + case 'T':
> + return "^";
> + case 'U':
> + return "|";
> + case 'V':
> + return "&&";
> + case 'W':
> + return "||";
> + case 'X':
> + return "*=";
> + case 'Y':
> + return "+=";
> + case 'Z':
> + return "-=";
> + case '_': {
> + if (MangledName.empty())
> + break;
> +
> + switch (MangledName.popFront()) {
> + case '0':
> + return "/=";
> + case '1':
> + return "%=";
> + case '2':
> + return ">>=";
> + case '3':
> + return "<<=";
> + case '4':
> + return "&=";
> + case '5':
> + return "|=";
> + case '6':
> + return "^=";
> + case 'U':
> + return " new[]";
> + case 'V':
> + return " delete[]";
> + case '_':
> + if (MangledName.consumeFront("L"))
> + return " co_await";
> + }
> + }
> + }
> +
> + Error = true;
> + RestoreOnError.shouldRestore(true);
> + return "";
> +}
> +
> +int Demangler::demangleFunctionClass() {
> + SwapAndRestore<StringView> RestoreOnError(MangledName, MangledName);
> + RestoreOnError.shouldRestore(false);
> +
> + switch (MangledName.popFront()) {
> + case 'A':
> + return Private;
> + case 'B':
> + return Private | FFar;
> + case 'C':
> + return Private | Static;
> + case 'D':
> + return Private | Static;
> + case 'E':
> + return Private | Virtual;
> + case 'F':
> + return Private | Virtual;
> + case 'I':
> + return Protected;
> + case 'J':
> + return Protected | FFar;
> + case 'K':
> + return Protected | Static;
> + case 'L':
> + return Protected | Static | FFar;
> + case 'M':
> + return Protected | Virtual;
> + case 'N':
> + return Protected | Virtual | FFar;
> + case 'Q':
> + return Public;
> + case 'R':
> + return Public | FFar;
> + case 'S':
> + return Public | Static;
> + case 'T':
> + return Public | Static | FFar;
> + case 'U':
> + return Public | Virtual;
> + case 'V':
> + return Public | Virtual | FFar;
> + case 'Y':
> + return Global;
> + case 'Z':
> + return Global | FFar;
> + }
> +
> + Error = true;
> + RestoreOnError.shouldRestore(true);
> + return 0;
> +}
> +
> +Qualifiers Demangler::demangleFunctionQualifiers() {
> + SwapAndRestore<StringView> RestoreOnError(MangledName, MangledName);
> + RestoreOnError.shouldRestore(false);
> +
> + switch (MangledName.popFront()) {
> + case 'A':
> + return Q_None;
> + case 'B':
> + return Q_Const;
> + case 'C':
> + return Q_Volatile;
> + case 'D':
> + return Qualifiers(Q_Const | Q_Volatile);
> + }
> +
> + Error = true;
> + RestoreOnError.shouldRestore(true);
> + return Q_None;
> +}
> +
> +CallingConv Demangler::demangleCallingConvention() {
> + switch (MangledName.popFront()) {
> + case 'A':
> + case 'B':
> + return CallingConv::Cdecl;
> + case 'C':
> + case 'D':
> + return CallingConv::Pascal;
> + case 'E':
> + case 'F':
> + return CallingConv::Thiscall;
> + case 'G':
> + case 'H':
> + return CallingConv::Stdcall;
> + case 'I':
> + case 'J':
> + return CallingConv::Fastcall;
> + case 'M':
> + case 'N':
> + return CallingConv::Clrcall;
> + case 'O':
> + case 'P':
> + return CallingConv::Eabi;
> + case 'Q':
> + return CallingConv::Vectorcall;
> + }
> +
> + return CallingConv::None;
> +};
> +
> +StorageClass Demangler::demangleVariableStorageClass() {
> + assert(std::isdigit(MangledName.front()));
> +
> + switch (MangledName.popFront()) {
> + case '0':
> + return StorageClass::PrivateStatic;
> + case '1':
> + return StorageClass::ProtectedStatic;
> + case '2':
> + return StorageClass::PublicStatic;
> + case '3':
> + return StorageClass::Global;
> + case '4':
> + return StorageClass::FunctionLocalStatic;
> + }
> + Error = true;
> + return StorageClass::None;
> +}
> +
> +Qualifiers Demangler::demangleVariablQ_ifiers() {
> + SwapAndRestore<StringView> RestoreOnError(MangledName, MangledName);
> + RestoreOnError.shouldRestore(false);
> +
> + switch (MangledName.popFront()) {
> + case 'A':
> + return Q_None;
> + case 'B':
> + return Q_Const;
> + case 'C':
> + return Q_Volatile;
> + case 'D':
> + return Qualifiers(Q_Const | Q_Volatile);
> + case 'E':
> + return Q_Far;
> + case 'F':
> + return Qualifiers(Q_Const | Q_Far);
> + case 'G':
> + return Qualifiers(Q_Volatile | Q_Far);
> + case 'H':
> + return Qualifiers(Q_Const | Q_Volatile | Q_Far);
> + }
> +
> + Error = true;
> + RestoreOnError.shouldRestore(true);
> + return Q_None;
> +}
> +
> +Qualifiers Demangler::demangleReturnTypQ_ifiers() {
> + if (!MangledName.consumeFront("?"))
> + return Q_None;
> +
> + SwapAndRestore<StringView> RestoreOnError(MangledName, MangledName);
> + RestoreOnError.shouldRestore(false);
> +
> + switch (MangledName.popFront()) {
> + case 'A':
> + return Q_None;
> + case 'B':
> + return Q_Const;
> + case 'C':
> + return Q_Volatile;
> + case 'D':
> + return Qualifiers(Q_Const | Q_Volatile);
> + }
> +
> + Error = true;
> + RestoreOnError.shouldRestore(true);
> + return Q_None;
> +}
> +
> +Qualifiers Demangler::demangleQualifiers(QualifierMangleLocation Location) {
> + if (Location == QualifierMangleLocation::Detect) {
> + switch (MangledName.front()) {
> + case 'Q':
> + case 'R':
> + case 'S':
> + case 'T':
> + Location = QualifierMangleLocation::Member;
> + break;
> + case 'A':
> + case 'B':
> + case 'C':
> + case 'D':
> + Location = QualifierMangleLocation::NonMember;
> + break;
> + default:
> + Error = true;
> + return Q_None;
> + }
> + }
> +
> + if (Location == QualifierMangleLocation::Member) {
> + switch (MangledName.popFront()) {
> + // Member qualifiers
> + case 'Q':
> + return Q_None;
> + case 'R':
> + return Q_Const;
> + case 'S':
> + return Q_Volatile;
> + case 'T':
> + return Qualifiers(Q_Const | Q_Volatile);
> + }
> + } else {
> + switch (MangledName.popFront()) {
> + // Non-Member qualifiers
> + case 'A':
> + return Q_None;
> + case 'B':
> + return Q_Const;
> + case 'C':
> + return Q_Volatile;
> + case 'D':
> + return Qualifiers(Q_Const | Q_Volatile);
> + }
> + }
> + Error = true;
> + return Q_None;
> +}
> +
> +// <variable-type> ::= <type> <cvr-qualifiers>
> +// ::= <type> <pointee-cvr-qualifiers> # pointers, references
> +Type *Demangler::demangleType(QualifierMangleMode QMM) {
> + Qualifiers Quals = Q_None;
> + if (QMM == QualifierMangleMode::Mangle)
> + Quals = Qualifiers(Quals | demangleQualifiers());
> + else if (QMM == QualifierMangleMode::Result) {
> + if (MangledName.consumeFront('?'))
> + Quals = Qualifiers(Quals | demangleQualifiers());
> + }
> +
> + Type *Ty = nullptr;
> + switch (MangledName.front()) {
> + case 'T': // union
> + case 'U': // struct
> + case 'V': // class
> + case 'W': // enum
> + Ty = demangleClassType();
> + break;
> + case 'A': // foo &
> + case 'P': // foo *
> + case 'Q': // foo *const
> + case 'R': // foo *volatile
> + case 'S': // foo *const volatile
> + Ty = demanglePointerType();
> + break;
> + case 'Y':
> + Ty = demangleArrayType();
> + break;
> + default:
> + Ty = demangleBasicType();
> + break;
> + }
> + Ty->Quals = Qualifiers(Ty->Quals | Quals);
> + return Ty;
> +}
> +
> +static bool functionHasThisPtr(const FunctionType &Ty) {
> + assert(Ty.Prim == PrimTy::Function);
> + if (Ty.FunctionClass & Global)
> + return false;
> + if (Ty.FunctionClass & Static)
> + return false;
> + return true;
> +}
> +
> +ReferenceKind Demangler::demangleReferenceKind() {
> + if (MangledName.consumeFront('G'))
> + return ReferenceKind::LValueRef;
> + else if (MangledName.consumeFront('H'))
> + return ReferenceKind::RValueRef;
> + return ReferenceKind::None;
> +}
> +
> +Type *Demangler::demangleFunctionEncoding() {
> + FunctionType *FTy = new (Arena) FunctionType;
> +
> + FTy->Prim = PrimTy::Function;
> + FTy->FunctionClass = (FuncClass)demangleFunctionClass();
> + if (functionHasThisPtr(*FTy)) {
> + FTy->Quals = demanglePointerExtQualifiers();
> + FTy->RefKind = demangleReferenceKind();
> + FTy->Quals = Qualifiers(FTy->Quals | demangleQualifiers());
> + }
> +
> + // Fields that appear on both member and non-member functions.
> + FTy->CallConvention = demangleCallingConvention();
> +
> + // <return-type> ::= <type>
> + // ::= @ # structors (they have no declared return type)
> + bool IsStructor = MangledName.consumeFront('@');
> + if (!IsStructor)
> + FTy->ReturnType = demangleType(QualifierMangleMode::Result);
> +
> + FTy->Params = demangleParameterList();
> +
> + return FTy;
> +}
> +
> +// Reads a primitive type.
> +Type *Demangler::demangleBasicType() {
> + Type *Ty = new (Arena) Type;
> +
> + switch (MangledName.popFront()) {
> + case 'X':
> + Ty->Prim = PrimTy::Void;
> + break;
> + case 'D':
> + Ty->Prim = PrimTy::Char;
> + break;
> + case 'C':
> + Ty->Prim = PrimTy::Schar;
> + break;
> + case 'E':
> + Ty->Prim = PrimTy::Uchar;
> + break;
> + case 'F':
> + Ty->Prim = PrimTy::Short;
> + break;
> + case 'G':
> + Ty->Prim = PrimTy::Ushort;
> + break;
> + case 'H':
> + Ty->Prim = PrimTy::Int;
> + break;
> + case 'I':
> + Ty->Prim = PrimTy::Uint;
> + break;
> + case 'J':
> + Ty->Prim = PrimTy::Long;
> + break;
> + case 'K':
> + Ty->Prim = PrimTy::Ulong;
> + break;
> + case 'M':
> + Ty->Prim = PrimTy::Float;
> + break;
> + case 'N':
> + Ty->Prim = PrimTy::Double;
> + break;
> + case 'O':
> + Ty->Prim = PrimTy::Ldouble;
> + break;
> + case '_': {
> + switch (MangledName.popFront()) {
> + case 'N':
> + Ty->Prim = PrimTy::Bool;
> + break;
> + case 'J':
> + Ty->Prim = PrimTy::Int64;
> + break;
> + case 'K':
> + Ty->Prim = PrimTy::Uint64;
> + break;
> + case 'W':
> + Ty->Prim = PrimTy::Wchar;
> + break;
> + }
> + break;
> + }
> + }
> + return Ty;
> +}
> +
> +UdtType *Demangler::demangleClassType() {
> + UdtType *UTy = new (Arena) UdtType;
> +
> + switch (MangledName.popFront()) {
> + case 'T':
> + UTy->Prim = PrimTy::Union;
> + break;
> + case 'U':
> + UTy->Prim = PrimTy::Struct;
> + break;
> + case 'V':
> + UTy->Prim = PrimTy::Class;
> + break;
> + case 'W':
> + if (MangledName.popFront() != '4') {
> + Error = true;
> + return nullptr;
> + }
> + UTy->Prim = PrimTy::Enum;
> + break;
> + default:
> + assert(false);
> + }
> +
> + UTy->UdtName = demangleName();
> + return UTy;
> +}
> +
> +// <pointer-type> ::= E? <pointer-cvr-qualifiers> <ext-qualifiers> <type>
> +// # the E is required for 64-bit non-static pointers
> +PointerType *Demangler::demanglePointerType() {
> + PointerType *Pointer = new (Arena) PointerType;
> +
> + Pointer->Quals = Q_None;
> + switch (MangledName.popFront()) {
> + case 'A':
> + Pointer->Prim = PrimTy::Ref;
> + break;
> + case 'P':
> + Pointer->Prim = PrimTy::Ptr;
> + break;
> + case 'Q':
> + Pointer->Prim = PrimTy::Ptr;
> + Pointer->Quals = Q_Const;
> + break;
> + case 'R':
> + Pointer->Quals = Q_Volatile;
> + Pointer->Prim = PrimTy::Ptr;
> + break;
> + case 'S':
> + Pointer->Quals = Qualifiers(Q_Const | Q_Volatile);
> + Pointer->Prim = PrimTy::Ptr;
> + break;
> + default:
> + assert(false && "Ty is not a pointer type!");
> + }
> +
> + if (MangledName.consumeFront("6")) {
> + FunctionType *FTy = new (Arena) FunctionType;
> + FTy->Prim = PrimTy::Function;
> + FTy->CallConvention = demangleCallingConvention();
> +
> + FTy->ReturnType = demangleType(QualifierMangleMode::Drop);
> + FTy->Params = demangleParameterList();
> +
> + if (!MangledName.consumeFront("@Z"))
> + MangledName.consumeFront("Z");
> +
> + Pointer->Pointee = FTy;
> + return Pointer;
> + }
> +
> + Qualifiers ExtQuals = demanglePointerExtQualifiers();
> + Pointer->Quals = Qualifiers(Pointer->Quals | ExtQuals);
> +
> + Pointer->Pointee = demangleType(QualifierMangleMode::Mangle);
> + return Pointer;
> +}
> +
> +Qualifiers Demangler::demanglePointerExtQualifiers() {
> + Qualifiers Quals = Q_None;
> + if (MangledName.consumeFront('E'))
> + Quals = Qualifiers(Quals | Q_Pointer64);
> + if (MangledName.consumeFront('I'))
> + Quals = Qualifiers(Quals | Q_Restrict);
> + if (MangledName.consumeFront('F'))
> + Quals = Qualifiers(Quals | Q_Unaligned);
> +
> + return Quals;
> +}
> +
> +ArrayType *Demangler::demangleArrayType() {
> + assert(MangledName.front() == 'Y');
> + MangledName.popFront();
> +
> + int Dimension = demangleNumber();
> + if (Dimension <= 0) {
> + Error = true;
> + return nullptr;
> + }
> +
> + ArrayType *ATy = new (Arena) ArrayType;
> + ArrayType *Dim = ATy;
> + for (int I = 0; I < Dimension; ++I) {
> + Dim->Prim = PrimTy::Array;
> + Dim->ArrayDimension = demangleNumber();
> + Dim->NextDimension = new (Arena) ArrayType;
> + Dim = Dim->NextDimension;
> + }
> +
> + if (MangledName.consumeFront("$$C")) {
> + if (MangledName.consumeFront("B"))
> + ATy->Quals = Q_Const;
> + else if (MangledName.consumeFront("C") || MangledName.consumeFront("D"))
> + ATy->Quals = Qualifiers(Q_Const | Q_Volatile);
> + else if (!MangledName.consumeFront("A"))
> + Error = true;
> + }
> +
> + ATy->ElementType = demangleType(QualifierMangleMode::Drop);
> + Dim->ElementType = ATy->ElementType;
> + return ATy;
> +}
> +
> +// Reads a function or a template parameters.
> +ParamList Demangler::demangleParameterList() {
> + // Within the same parameter list, you can backreference the first 10 types.
> + Type *BackRef[10];
> + int Idx = 0;
> +
> + ParamList *Head;
> + ParamList **Current = &Head;
> + while (!Error && !MangledName.startsWith('@') &&
> + !MangledName.startsWith('Z')) {
> + if (startsWithDigit(MangledName)) {
> + int N = MangledName[0] - '0';
> + if (N >= Idx) {
> + Error = true;
> + return {};
> + }
> + MangledName = MangledName.dropFront();
> +
> + *Current = new (Arena) ParamList;
> + (*Current)->Current = BackRef[N]->clone(Arena);
> + Current = &(*Current)->Next;
> + continue;
> + }
> +
> + size_t ArrayDimension = MangledName.size();
> +
> + *Current = new (Arena) ParamList;
> + (*Current)->Current = demangleType(QualifierMangleMode::Drop);
> +
> + // Single-letter types are ignored for backreferences because
> + // memorizing them doesn't save anything.
> + if (Idx <= 9 && ArrayDimension - MangledName.size() > 1)
> + BackRef[Idx++] = (*Current)->Current;
> + Current = &(*Current)->Next;
> + }
> +
> + return *Head;
> +}
> +
> +void Demangler::output() {
> + // Converts an AST to a string.
> + //
> + // Converting an AST representing a C++ type to a string is tricky due
> + // to the bad grammar of the C++ declaration inherited from C. You have
> + // to construct a string from inside to outside. For example, if a type
> + // X is a pointer to a function returning int, the order you create a
> + // string becomes something like this:
> + //
> + // (1) X is a pointer: *X
> + // (2) (1) is a function returning int: int (*X)()
> + //
> + // So you cannot construct a result just by appending strings to a result.
> + //
> + // To deal with this, we split the function into two. outputPre() writes
> + // the "first half" of type declaration, and outputPost() writes the
> + // "second half". For example, outputPre() writes a return type for a
> + // function and outputPost() writes an parameter list.
> + Type::outputPre(OS, *SymbolType);
> + outputName(OS, SymbolName);
> + Type::outputPost(OS, *SymbolType);
> +
> + // Null terminate the buffer.
> + OS << '\0';
> +}
> +
> +char *llvm::microsoftDemangle(const char *MangledName, char *Buf, size_t *N,
> + int *Status) {
> + OutputStream OS = OutputStream::create(Buf, N, 1024);
> +
> + Demangler D(OS, StringView(MangledName));
> + D.parse();
> +
> + if (D.Error)
> + *Status = llvm::demangle_invalid_mangled_name;
> + else
> + *Status = llvm::demangle_success;
> +
> + D.output();
> + return OS.getBuffer();
> +}
>
> Added: llvm/trunk/test/Demangle/ms-basic.test
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Demangle/ms-basic.test?rev=337584&view=auto
> ==============================================================================
> --- llvm/trunk/test/Demangle/ms-basic.test (added)
> +++ llvm/trunk/test/Demangle/ms-basic.test Fri Jul 20 10:27:48 2018
> @@ -0,0 +1,230 @@
> +; RUN: llvm-undname < %s | FileCheck %s
> +
> +; CHECK-NOT: Invalid mangled name
> +
> +?x@@3HA
> +; CHECK: int x
> +
> +?x@@3PEAHEA
> +; CHECK: int *x
> +
> +?x@@3PEAPEAHEA
> +; CHECK: int **x
> +
> +?x@@3PEAY02HEA
> +; CHECK: int (*x)[3]
> +
> +?x@@3PEAY124HEA
> +; CHECK: int (*x)[3][5]
> +
> +?x@@3PEAY02$$CBHEA
> +; CHECK: int const (*x)[3]
> +
> +?x@@3PEAEEA
> +; CHECK: unsigned char *x
> +
> +?x@@3PEAY1NKM at 5HEA
> +; CHECK: int (*x)[3500][6]
> +
> +?x@@YAXMH at Z
> +; CHECK: void __cdecl x(float, int)
> +
> +?x@@3P6AHMNH at ZEA
> +; CHECK: int __cdecl (*x)(float, double, int)
> +
> +?x@@3P6AHP6AHM at ZN@ZEA
> +; CHECK: int __cdecl (*x)(int __cdecl (*)(float), double)
> +
> +?x@@3P6AHP6AHM at Z0@ZEA
> +; CHECK: int __cdecl (*x)(int __cdecl (*)(float), int __cdecl (*)(float))
> +
> +?x at ns@@3HA
> +; CHECK: int ns::x
> +
> +; Microsoft's undname doesn't handle Q correctly or the multiple occurrences
> +; of the const modifier. So the results here differ, but ours are correct.
> +?x@@3PEAHEA
> +; CHECK: int *x
> +
> +?x@@3PEBHEB
> +; CHECK: int const *x
> +
> +?x@@3QEAHEA
> +; CHECK: int *const x
> +
> +?x@@3QEBHEB
> +; CHECK: int const *const x
> +
> +
> +?x@@3AEBHEB
> +; CHECK: int const &x
> +
> +?x@@3PEAUty@@EA
> +; CHECK: struct ty *x
> +
> +?x@@3PEATty@@EA
> +; CHECK: union ty *x
> +
> +?x@@3PEAUty@@EA
> +; CHECK: struct ty *x
> +
> +?x@@3PEAW4ty@@EA
> +; CHECK: enum ty *x
> +
> +?x@@3PEAVty@@EA
> +; CHECK: class ty *x
> +
> +?x@@3PEAV?$tmpl at H@@EA
> +; CHECK: class tmpl<int> *x
> +
> +?x@@3PEAU?$tmpl at H@@EA
> +; CHECK: struct tmpl<int> *x
> +
> +?x@@3PEAT?$tmpl at H@@EA
> +; CHECK: union tmpl<int> *x
> +
> +?instance@@3Vklass@@A
> +; CHECK: class klass instance
> +
> +?instance$initializer$@@3P6AXXZEA
> +; CHECK: void __cdecl (*instance$initializer$)(void)
> +
> +??0klass@@QEAA at XZ
> +; CHECK: __cdecl klass::klass(void)
> +
> +??1klass@@QEAA at XZ
> +; CHECK: __cdecl klass::~klass(void)
> +
> +?x@@YAHPEAVklass@@AEAV1@@Z
> +; CHECK: int __cdecl x(class klass *, class klass &)
> +
> +?x at ns@@3PEAV?$klass at HH@1 at EA
> +; CHECK: class ns::klass<int, int> *ns::x
> +
> +?fn@?$klass at H@ns@@QEBAIXZ
> +; CHECK: unsigned int __cdecl ns::klass<int>::fn(void) const
> +
> +
> +??4klass@@QEAAAEBV0 at AEBV0@@Z
> +; CHECK: class klass const &__cdecl klass::operator=(class klass const &)
> +
> +??7klass@@QEAA_NXZ
> +; CHECK: bool __cdecl klass::operator!(void)
> +
> +??8klass@@QEAA_NAEBV0@@Z
> +; CHECK: bool __cdecl klass::operator==(class klass const &)
> +
> +??9klass@@QEAA_NAEBV0@@Z
> +; CHECK: bool __cdecl klass::operator!=(class klass const &)
> +
> +??Aklass@@QEAAH_K at Z
> +; CHECK: int __cdecl klass::operator[](unsigned __int64)
> +
> +??Cklass@@QEAAHXZ
> +; CHECK: int __cdecl klass::operator->(void)
> +
> +??Dklass@@QEAAHXZ
> +; CHECK: int __cdecl klass::operator*(void)
> +
> +??Eklass@@QEAAHXZ
> +; CHECK: int __cdecl klass::operator++(void)
> +
> +??Eklass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator++(int)
> +
> +??Fklass@@QEAAHXZ
> +; CHECK: int __cdecl klass::operator--(void)
> +
> +??Fklass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator--(int)
> +
> +??Hklass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator+(int)
> +
> +??Gklass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator-(int)
> +
> +??Iklass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator&(int)
> +
> +??Jklass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator->*(int)
> +
> +??Kklass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator/(int)
> +
> +??Mklass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator<(int)
> +
> +??Nklass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator<=(int)
> +
> +??Oklass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator>(int)
> +
> +??Pklass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator>=(int)
> +
> +??Qklass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator,(int)
> +
> +??Rklass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator()(int)
> +
> +??Sklass@@QEAAHXZ
> +; CHECK: int __cdecl klass::operator~(void)
> +
> +??Tklass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator^(int)
> +
> +??Uklass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator|(int)
> +
> +??Vklass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator&&(int)
> +
> +??Wklass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator||(int)
> +
> +??Xklass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator*=(int)
> +
> +??Yklass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator+=(int)
> +
> +??Zklass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator-=(int)
> +
> +??_0klass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator/=(int)
> +
> +??_1klass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator%=(int)
> +
> +??_2klass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator>>=(int)
> +
> +??_3klass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator<<=(int)
> +
> +??_6klass@@QEAAHH at Z
> +; CHECK: int __cdecl klass::operator^=(int)
> +
> +??6 at YAAEBVklass@@AEBV0 at H@Z
> +; CHECK: class klass const &__cdecl operator<<(class klass const &, int)
> +
> +??5 at YAAEBVklass@@AEBV0 at _K@Z
> +; CHECK: class klass const &__cdecl operator>>(class klass const &, unsigned __int64)
> +
> +??2 at YAPEAX_KAEAVklass@@@Z
> +; CHECK: void *__cdecl operator new(unsigned __int64, class klass &)
> +
> +??_U at YAPEAX_KAEAVklass@@@Z
> +; CHECK: void *__cdecl operator new[](unsigned __int64, class klass &)
> +
> +??3 at YAXPEAXAEAVklass@@@Z
> +; CHECK: void __cdecl operator delete(void *, class klass &)
> +
> +??_V at YAXPEAXAEAVklass@@@Z
> +; CHECK: void __cdecl operator delete[](void *, class klass &)
> +
>
> Added: llvm/trunk/test/Demangle/ms-mangle.test
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Demangle/ms-mangle.test?rev=337584&view=auto
> ==============================================================================
> --- llvm/trunk/test/Demangle/ms-mangle.test (added)
> +++ llvm/trunk/test/Demangle/ms-mangle.test Fri Jul 20 10:27:48 2018
> @@ -0,0 +1,363 @@
> +; These tests are based on clang/test/CodeGenCXX/mangle-ms.cpp
> +; RUN: llvm-undname < %s | FileCheck %s
> +
> +; CHECK-NOT: Invalid mangled name
> +
> +?k@@3PTfoo@@DT1
> +
> +
> +?a@@3HA
> +; CHECK: int a
> +
> +?b at N@@3HA
> +; CHECK: int N::b
> +
> +?anonymous@?A at N@@3HA
> +; CHECK: int N::`anonymous namespace'::anonymous
> +
> +?_c@@YAHXZ
> +; CHECK: int __cdecl _c(void)
> +
> +?d at foo@@0FB
> +; CHECK: static short const foo::d
> +
> +?e at foo@@1JC
> +; CHECK: static long volatile foo::e
> +
> +?f at foo@@2DD
> +; CHECK: static char const volatile foo::f
> +
> +??0foo@@QAE at XZ
> +; CHECK: __thiscall foo::foo(void)
> +
> +??0foo@@QEAA at XZ
> +; CHECK: __cdecl foo::foo(void)
> +
> +??1foo@@QAE at XZ
> +; CHECK: __thiscall foo::~foo(void)
> +
> +??1foo@@QEAA at XZ
> +; CHECK: __cdecl foo::~foo(void)
> +
> +??0foo@@QAE at H@Z
> +; CHECK: __thiscall foo::foo(int)
> +
> +??0foo@@QEAA at H@Z
> +; CHECK: __cdecl foo::foo(int)
> +
> +??0foo@@QAE at PAD@Z
> +; CHECK: __thiscall foo::foo(char *)
> +
> +??0foo@@QEAA at PEAD@Z
> +; CHECK: __cdecl foo::foo(char *)
> +
> +?bar@@YA?AVfoo@@XZ
> +; CHECK: class foo __cdecl bar(void)
> +
> +?bar@@YA?AVfoo@@XZ
> +; CHECK: class foo __cdecl bar(void)
> +
> +??Hfoo@@QAEHH at Z
> +; CHECK: int __thiscall foo::operator+(int)
> +
> +??Hfoo@@QEAAHH at Z
> +; CHECK: int __cdecl foo::operator+(int)
> +
> +?static_method at foo@@SAPAV1 at XZ
> +; CHECK: static class foo *__cdecl foo::static_method(void)
> +
> +?static_method at foo@@SAPEAV1 at XZ
> +; CHECK: static class foo *__cdecl foo::static_method(void)
> +
> +?g at bar@@2HA
> +; CHECK: static int bar::g
> +
> +; undname returns `int *h1`, but it is a bug in their demangler. Their mangler
> +; correctly mangles `int *h1` as ?h1 at 3PAHA and `int * const h1` as ?h1 at 3QAHA
> +?h1@@3QAHA
> +; CHECK: int *const h1
> +
> +?h2@@3QBHB
> +; CHECK: int const *const h2
> +
> +?h3@@3QIAHIA
> +; CHECK: int * __restrict const h3
> +
> +?h3@@3QEIAHEIA
> +; CHECK: int * __restrict const h3
> +
> +?i@@3PAY0BE at HA
> +; CHECK: int (*i)[20]
> +
> +?FunArr@@3PAY0BE at P6AHHH@ZA
> +; CHECK: int __cdecl (*(*FunArr)[20])(int, int)
> +
> +?j@@3P6GHCE at ZA
> +; CHECK: int __stdcall (*j)(signed char, unsigned char)
> +
> +
> +; FIXME: We don't handle member pointers yet.
> +; ?k@@3PTfoo@@DT1
> +; FIXME: char const volatile foo::*k
> +
> +; ?k@@3PETfoo@@DET1
> +; FIXME: char const volatile foo::*k
> +
> +; ?l@@3P8foo@@AEHH at ZQ1
> +; FIXME: int __thiscall (foo::*l)(int)
> +
> +?g_cInt@@3HB
> +; CHECK: int const g_cInt
> +
> +?g_vInt@@3HC
> +; CHECK: int volatile g_vInt
> +
> +?g_cvInt@@3HD
> +; CHECK: int const volatile g_cvInt
> +
> +?beta@@YI_N_J_W at Z
> +; CHECK: bool __fastcall beta(__int64, wchar_t)
> +
> +?beta@@YA_N_J_W at Z
> +; CHECK: bool __cdecl beta(__int64, wchar_t)
> +
> +?alpha@@YGXMN at Z
> +; CHECK: void __stdcall alpha(float, double)
> +
> +?alpha@@YAXMN at Z
> +; CHECK: void __cdecl alpha(float, double)
> +
> +?gamma@@YAXVfoo@@Ubar@@Tbaz@@W4quux@@@Z
> +; CHECK: void __cdecl gamma(class foo, struct bar, union baz, enum quux)
> +
> +?gamma@@YAXVfoo@@Ubar@@Tbaz@@W4quux@@@Z
> +; CHECK: void __cdecl gamma(class foo, struct bar, union baz, enum quux)
> +
> +?delta@@YAXQAHABJ at Z
> +; CHECK: void __cdecl delta(int *const, long const &)
> +
> +?delta@@YAXQEAHAEBJ at Z
> +; CHECK: void __cdecl delta(int *const, long const &)
> +
> +?epsilon@@YAXQAY19BE at H@Z
> +; CHECK: void __cdecl epsilon(int (*const)[10][20])
> +
> +?epsilon@@YAXQEAY19BE at H@Z
> +; CHECK: void __cdecl epsilon(int (*const)[10][20])
> +
> +?zeta@@YAXP6AHHH at Z@Z
> +; CHECK: void __cdecl zeta(int __cdecl (*)(int, int))
> +
> +?zeta@@YAXP6AHHH at Z@Z
> +; CHECK: void __cdecl zeta(int __cdecl (*)(int, int))
> +
> +??2 at YAPAXI@Z
> +; CHECK: void *__cdecl operator new(unsigned int)
> +
> +??3 at YAXPAX@Z
> +; CHECK: void __cdecl operator delete(void *)
> +
> +??_U at YAPAXI@Z
> +; CHECK: void *__cdecl operator new[](unsigned int)
> +
> +??_V at YAXPAX@Z
> +; CHECK: void __cdecl operator delete[](void *)
> +
> +?color1@@3PANA
> +; CHECK: double *color1
> +
> +?color2@@3QBNB
> +; CHECK: double const *const color2
> +
> +; FIXME-EXTRACONST: These tests fails because we print an extra const inside the parens.
> +; ?color3@@3QAY02$$CBNA
> +; FIXME-EXTRACONST: double const (*color3)[3]
> +
> +; ?color4@@3QAY02$$CBNA
> +; FIXME-EXTRACONST: double const (*color4)[3]
> +
> +; FIXME-MEMBERPTR: We don't support member pointers yet.
> +; ?memptr1@@3RESB@@HES1
> +; FIXME-MEMBERPTR: volatile int B::*memptr2
> +
> +; ?memptr2@@3PESB@@HES1
> +; FIXME: volatile int B::*memptr2
> +
> +; ?memptr3@@3REQB@@HEQ1
> +; FIXME-MEMBERPTR: int B::* volatile memptr3
> +
> +; ?funmemptr1@@3RESB@@R6AHXZES1
> +; FIXME-MEMBERPTR: int __cdecl (* volatile B::* volatile funmemptr1)(void)
> +
> +; ?funmemptr2@@3PESB@@R6AHXZES1
> +; FIXME-MEMBERPTR: int __cdecl (* volatile B::*funmemptr2)(void)
> +
> +; ?funmemptr3@@3REQB@@P6AHXZEQ1
> +; FIXME-MEMBERPTR: int __cdecl (* B::*volatile funmemptr3)(void)
> +
> +; ?memptrtofun1@@3R8B@@EAAXXZEQ1
> +; FIXME-MEMBERPTR: void __cdecl (B::*volatile memptrtofun1)(void)
> +
> +; ?memptrtofun2@@3P8B@@EAAXXZEQ1
> +; FIXME-MEMBERPTR: void __cdecl (B::*memptrtofun2)(void)
> +
> +; ?memptrtofun3@@3P8B@@EAAXXZEQ1
> +; FIXME-MEMBERPTR: void __cdecl (B::*memptrtofun3)(void)
> +
> +; ?memptrtofun4@@3R8B@@EAAHXZEQ1
> +; FIXME-MEMBERPTR: int __cdecl (B::* volatile memptrtofun4)(void)
> +
> +; ?memptrtofun5@@3P8B@@EAA?CHXZEQ1
> +; FIXME-MEMBERPTR: int volatile __cdecl (B::*memptrtofun5)(void)
> +
> +; ?memptrtofun6@@3P8B@@EAA?BHXZEQ1
> +; FIXME-MEMBERPTR: int const __cdecl (B::*memptrtofun6)(void)
> +
> +; ?memptrtofun7@@3R8B@@EAAP6AHXZXZEQ1
> +; FIXME-MEMBERPTR: int __cdecl (*(__cdecl B::*volatile memptrtofun7)(void))(void)
> +
> +; ?memptrtofun8@@3P8B@@EAAR6AHXZXZEQ1
> +; FIXME-MEMBERPTR: int __cdecl (*(__cdecl B::*memptrtofun8)(void))(void)
> +
> +; ?memptrtofun9@@3P8B@@EAAQ6AHXZXZEQ1
> +; FIXME-MEMBERPTR: int __cdecl(*(__cdecl B::*memptrtofun9)(void))(void)
> +
> +
> +?fooE@@YA?AW4E@@XZ
> +; CHECK: enum E __cdecl fooE(void)
> +
> +?fooE@@YA?AW4E@@XZ
> +; CHECK: enum E __cdecl fooE(void)
> +
> +?fooX@@YA?AVX@@XZ
> +; CHECK: class X __cdecl fooX(void)
> +
> +?fooX@@YA?AVX@@XZ
> +; CHECK: class X __cdecl fooX(void)
> +
> +?s0 at PR13182@@3PADA
> +; CHECK: char *PR13182::s0
> +
> +?s1 at PR13182@@3PADA
> +; CHECK: char *PR13182::s1
> +
> +?s2 at PR13182@@3QBDB
> +; CHECK: char const *const PR13182::s2
> +
> +?s3 at PR13182@@3QBDB
> +; CHECK: char const *const PR13182::s3
> +
> +?s4 at PR13182@@3RCDC
> +; CHECK: char volatile *volatile PR13182::s4
> +
> +?s5 at PR13182@@3SDDD
> +; CHECK: char const volatile *const volatile PR13182::s5
> +
> +; undname adds an extra const in here, but it seems like their bug.
> +?s6 at PR13182@@3PBQBDB
> +; CHECK: char const *const *PR13182::s6
> +
> +; FIXME-EXTERNC: We don't properly support static locals in extern c functions yet.
> +; ?local@?1??extern_c_func@@9 at 4HA
> +; FIXME-EXTERNC: int `extern_c_func'::`2'::local
> +
> +; ?local@?1??extern_c_func@@9 at 4HA
> +; FIXME-EXTERNC: int `extern_c_func'::`2'::local
> +
> +??2OverloadedNewDelete@@SAPAXI at Z
> +; CHECK: static void *__cdecl OverloadedNewDelete::operator new(unsigned int)
> +
> +
> +??_UOverloadedNewDelete@@SAPAXI at Z
> +; CHECK: static void *__cdecl OverloadedNewDelete::operator new[](unsigned int)
> +
> +??3OverloadedNewDelete@@SAXPAX at Z
> +; CHECK: static void __cdecl OverloadedNewDelete::operator delete(void *)
> +
> +
> +??_VOverloadedNewDelete@@SAXPAX at Z
> +; CHECK: static void __cdecl OverloadedNewDelete::operator delete[](void *)
> +
> +??HOverloadedNewDelete@@QAEHH at Z
> +; CHECK: int __thiscall OverloadedNewDelete::operator+(int)
> +
> +??2OverloadedNewDelete@@SAPEAX_K at Z
> +; CHECK: static void *__cdecl OverloadedNewDelete::operator new(unsigned __int64)
> +
> +??_UOverloadedNewDelete@@SAPEAX_K at Z
> +; CHECK: static void *__cdecl OverloadedNewDelete::operator new[](unsigned __int64)
> +
> +??3OverloadedNewDelete@@SAXPEAX at Z
> +; CHECK: static void __cdecl OverloadedNewDelete::operator delete(void *)
> +
> +
> +??_VOverloadedNewDelete@@SAXPEAX at Z
> +; CHECK: static void __cdecl OverloadedNewDelete::operator delete[](void *)
> +
> +??HOverloadedNewDelete@@QEAAHH at Z
> +; CHECK: int __cdecl OverloadedNewDelete::operator+(int)
> +
> +
> +??2TypedefNewDelete@@SAPAXI at Z
> +; CHECK: static void *__cdecl TypedefNewDelete::operator new(unsigned int)
> +
> +
> +??_UTypedefNewDelete@@SAPAXI at Z
> +; CHECK: static void *__cdecl TypedefNewDelete::operator new[](unsigned int)
> +
> +??3TypedefNewDelete@@SAXPAX at Z
> +; CHECK: static void __cdecl TypedefNewDelete::operator delete(void *)
> +
> +??_VTypedefNewDelete@@SAXPAX at Z
> +; CHECK: static void __cdecl TypedefNewDelete::operator delete[](void *)
> +
> +?vector_func@@YQXXZ
> +; CHECK: void __vectorcall vector_func(void)
> +
> +; FIXME-EXTERNC: We don't support extern C funcs currently.
> +; ??$fn_tmpl@$1?extern_c_func@@YAXXZ@@YAXXZ
> +; FIXME-EXTERNC: void __cdecl fn_tmpl<&void __cdecl extern_c_func(void)>(void)
> +
> +; ?overloaded_fn@@$$J0YAXXZ
> +; FIXME-EXTERNC: extern \"C\" void __cdecl overloaded_fn(void)
> +
> +
> +?f at UnnamedType@@YAXUT2 at S@1@@Z
> +; CHECK: void __cdecl UnnamedType::f(struct UnnamedType::S::T2)
> +
> +?f at UnnamedType@@YAXPAUT4 at S@1@@Z
> +; CHECK: void __cdecl UnnamedType::f(struct UnnamedType::S::T4 *)
> +
> +?f at UnnamedType@@YAXUT4 at S@1@@Z
> +; CHECK: void __cdecl UnnamedType::f(struct UnnamedType::S::T4)
> +
> +?f at UnnamedType@@YAXUT5 at S@1@@Z
> +; CHECK: void __cdecl UnnamedType::f(struct UnnamedType::S::T5)
> +
> +?f at UnnamedType@@YAXUT2 at S@1@@Z
> +; CHECK: void __cdecl UnnamedType::f(struct UnnamedType::S::T2)
> +
> +?f at UnnamedType@@YAXUT4 at S@1@@Z
> +; CHECK: void __cdecl UnnamedType::f(struct UnnamedType::S::T4)
> +
> +?f at UnnamedType@@YAXUT5 at S@1@@Z
> +; CHECK: void __cdecl UnnamedType::f(struct UnnamedType::S::T5)
> +
> +?f at Atomic@@YAXU?$_Atomic at H@__clang@@@Z
> +; CHECK: void __cdecl Atomic::f(struct __clang::_Atomic<int>)
> +
> +?f at Complex@@YAXU?$_Complex at H@__clang@@@Z
> +; CHECK: void __cdecl Complex::f(struct __clang::_Complex<int>)
> +
> +?f at Float16@@YAXU_Float16 at __clang@@@Z
> +; CHECK: void __cdecl Float16::f(struct __clang::_Float16)
> +
> +
> +??0?$L at H@NS@@QEAA at XZ
> +; CHECK: __cdecl NS::L<int>::L<int>(void)
> +
> +??0Bar at Foo@@QEAA at XZ
> +; CHECK: __cdecl Foo::Bar::Bar(void)
> +
> +??0?$L at V?$H at PAH@PR26029@@@PR26029@@QAE at XZ
> +; CHECK: __thiscall PR26029::L<class PR26029::H<int *>>::L<class PR26029::H<int *>>(void)
>
> Added: llvm/trunk/test/Demangle/ms-windows.test
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Demangle/ms-windows.test?rev=337584&view=auto
> ==============================================================================
> --- llvm/trunk/test/Demangle/ms-windows.test (added)
> +++ llvm/trunk/test/Demangle/ms-windows.test Fri Jul 20 10:27:48 2018
> @@ -0,0 +1,17 @@
> +; See clang/test/CodeGenCXX/mangle-windows.cpp
> +; These tests are based on clang/test/CodeGenCXX/mangle-ms.cpp
> +; RUN: llvm-undname < %s | FileCheck %s
> +
> +; CHECK-NOT: Invalid mangled name
> +
> +?bar at Foo@@SGXXZ
> +; CHECK: static void __stdcall Foo::bar(void)
> +
> +?bar at Foo@@QAGXXZ
> +; CHECK: void __stdcall Foo::bar(void)
> +
> +?f2@@YIXXZ
> +; CHECK: void __fastcall f2(void)
> +
> +?f1@@YGXXZ
> +; CHECK: void __stdcall f1(void)
>
> Modified: llvm/trunk/tools/LLVMBuild.txt
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/LLVMBuild.txt?rev=337584&r1=337583&r2=337584&view=diff
> ==============================================================================
> --- llvm/trunk/tools/LLVMBuild.txt (original)
> +++ llvm/trunk/tools/LLVMBuild.txt Fri Jul 20 10:27:48 2018
> @@ -50,6 +50,7 @@ subdirectories =
> llvm-rtdyld
> llvm-size
> llvm-split
> + llvm-undname
> opt
> verify-uselistorder
>
>
> Added: llvm/trunk/tools/llvm-undname/CMakeLists.txt
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-undname/CMakeLists.txt?rev=337584&view=auto
> ==============================================================================
> --- llvm/trunk/tools/llvm-undname/CMakeLists.txt (added)
> +++ llvm/trunk/tools/llvm-undname/CMakeLists.txt Fri Jul 20 10:27:48 2018
> @@ -0,0 +1,8 @@
> +set(LLVM_LINK_COMPONENTS
> + Demangle
> + Support
> + )
> +
> +add_llvm_tool(llvm-undname
> + llvm-undname.cpp
> + )
>
> Added: llvm/trunk/tools/llvm-undname/LLVMBuild.txt
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-undname/LLVMBuild.txt?rev=337584&view=auto
> ==============================================================================
> --- llvm/trunk/tools/llvm-undname/LLVMBuild.txt (added)
> +++ llvm/trunk/tools/llvm-undname/LLVMBuild.txt Fri Jul 20 10:27:48 2018
> @@ -0,0 +1,23 @@
> +;===- ./tools/llvm-undname/LLVMBuild.txt -----------------------*- Conf -*--===;
> +;
> +; The LLVM Compiler Infrastructure
> +;
> +; This file is distributed under the University of Illinois Open Source
> +; License. See LICENSE.TXT for details.
> +;
> +;===------------------------------------------------------------------------===;
> +;
> +; This is an LLVMBuild description file for the components in this subdirectory.
> +;
> +; For more information on the LLVMBuild system, please see:
> +;
> +; http://llvm.org/docs/LLVMBuild.html
> +;
> +;===------------------------------------------------------------------------===;
> +
> +[component_0]
> +type = Tool
> +name = llvm-undname
> +parent = Tools
> +required_libraries = Demangle Support
> +
>
> Added: llvm/trunk/tools/llvm-undname/llvm-undname.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-undname/llvm-undname.cpp?rev=337584&view=auto
> ==============================================================================
> --- llvm/trunk/tools/llvm-undname/llvm-undname.cpp (added)
> +++ llvm/trunk/tools/llvm-undname/llvm-undname.cpp Fri Jul 20 10:27:48 2018
> @@ -0,0 +1,79 @@
> +//===-- llvm-undname.cpp - Microsoft ABI name undecorator
> +//------------------===//
> +//
> +// The LLVM Compiler Infrastructure
> +//
> +// This file is distributed under the University of Illinois Open Source
> +// License. See LICENSE.TXT for details.
> +//
> +//===----------------------------------------------------------------------===//
> +//
> +// This utility works like the windows undname utility. It converts mangled
> +// Microsoft symbol names into pretty C/C++ human-readable names.
> +//
> +//===----------------------------------------------------------------------===//
> +
> +#include "llvm/ADT/StringRef.h"
> +#include "llvm/Demangle/Demangle.h"
> +#include "llvm/Support/CommandLine.h"
> +#include "llvm/Support/InitLLVM.h"
> +#include "llvm/Support/Process.h"
> +#include "llvm/Support/raw_ostream.h"
> +#include <cstdio>
> +#include <cstring>
> +#include <iostream>
> +#include <string>
> +
> +using namespace llvm;
> +
> +cl::list<std::string> Symbols(cl::Positional, cl::desc("<input symbols>"),
> + cl::ZeroOrMore);
> +
> +static void demangle(const std::string &S) {
> + int Status;
> + char *ResultBuf = microsoftDemangle(S.c_str(), nullptr, nullptr, &Status);
> + if (Status == llvm::demangle_success) {
> + outs() << ResultBuf << "\n";
> + outs().flush();
> + } else {
> + errs() << "Error: Invalid mangled name\n";
> + }
> + std::free(ResultBuf);
> +};
> +
> +int main(int argc, char **argv) {
> + InitLLVM X(argc, argv);
> +
> + cl::ParseCommandLineOptions(argc, argv, "llvm-undname\n");
> +
> + if (Symbols.empty()) {
> + while (true) {
> + std::string LineStr;
> + std::getline(std::cin, LineStr);
> + if (std::cin.eof())
> + break;
> +
> + StringRef Line(LineStr);
> + Line = Line.trim();
> + if (Line.empty() || Line.startswith("#") || Line.startswith(";"))
> + continue;
> +
> + // If the user is manually typing in these decorated names, don't echo
> + // them to the terminal a second time. If they're coming from redirected
> + // input, however, then we should display the input line so that the
> + // mangled and demangled name can be easily correlated in the output.
> + if (!sys::Process::StandardInIsUserInput())
> + outs() << Line << "\n";
> + demangle(Line);
> + outs() << "\n";
> + }
> + } else {
> + for (StringRef S : Symbols) {
> + outs() << S << "\n";
> + demangle(S);
> + outs() << "\n";
> + }
> + }
> +
> + return 0;
> +}
> \ No newline at end of file
>
>
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