[llvm] r303480 - Add functionality to cvtres to parse all entries in res file.

Hubert Tong via llvm-commits llvm-commits at lists.llvm.org
Sat May 20 07:52:40 PDT 2017


I think the issue got addressed by https://reviews.llvm.org/rL303483.

-- HT

On Sat, May 20, 2017 at 10:23 AM, Eric Beckmann <ecbeckmann at google.com>
wrote:

> Revert to this patch incoming
>
> On May 19, 2017 8:19 PM, "Hubert Tong" <hubert.reinterpretcast at gmail.com>
> wrote:
>
>> This seems to be the cause of:
>> /mnt/b/sanitizer-buildbot1/sanitizer-x86_64-linux/build/llvm
>> /lib/Object/WindowsResource.cpp:21:19: error: variable 'ResourceMagic'
>> is not needed and will not be emitted [-Werror,-Wunneeded-internal-d
>> eclaration]
>> static const char ResourceMagic[] = {
>>                   ^
>> /mnt/b/sanitizer-buildbot1/sanitizer-x86_64-linux/build/llvm
>> /lib/Object/WindowsResource.cpp:25:19: error: variable 'NullEntry' is
>> not needed and will not be emitted [-Werror,-Wunneeded-internal-d
>> eclaration]
>> static const char NullEntry[16] = {'\0'};
>>                   ^
>> 2 errors generated.
>>
>> More info:
>> http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux/builds/2003
>>
>> On Fri, May 19, 2017 at 9:49 PM, Eric Beckmann via llvm-commits <
>> llvm-commits at lists.llvm.org> wrote:
>>
>>> Author: ecbeckmann
>>> Date: Fri May 19 20:49:19 2017
>>> New Revision: 303480
>>>
>>> URL: http://llvm.org/viewvc/llvm-project?rev=303480&view=rev
>>> Log:
>>> Add functionality to cvtres to parse all entries in res file.
>>>
>>> Summary: Added the new modules in the Object/ folder.  Updated the
>>> llvm-cvtres interface as well, and added additional tests.
>>>
>>> Subscribers: llvm-commits, mgorny
>>>
>>> Differential Revision: https://reviews.llvm.org/D33180
>>>
>>> Added:
>>>     llvm/trunk/include/llvm/Object/WindowsResource.h
>>>     llvm/trunk/lib/Object/WindowsResource.cpp
>>>     llvm/trunk/test/tools/llvm-cvtres/Inputs/
>>>     llvm/trunk/test/tools/llvm-cvtres/Inputs/cursor_small.bmp   (with
>>> props)
>>>     llvm/trunk/test/tools/llvm-cvtres/Inputs/okay_small.bmp   (with
>>> props)
>>>     llvm/trunk/test/tools/llvm-cvtres/Inputs/test_resource.rc
>>>     llvm/trunk/test/tools/llvm-cvtres/Inputs/test_resource.res   (with
>>> props)
>>>     llvm/trunk/test/tools/llvm-cvtres/resource.test
>>> Modified:
>>>     llvm/trunk/include/llvm/Object/Binary.h
>>>     llvm/trunk/include/llvm/Support/BinaryStreamReader.h
>>>     llvm/trunk/include/llvm/Support/FileSystem.h
>>>     llvm/trunk/lib/Object/Binary.cpp
>>>     llvm/trunk/lib/Object/CMakeLists.txt
>>>     llvm/trunk/tools/llvm-cvtres/CMakeLists.txt
>>>     llvm/trunk/tools/llvm-cvtres/llvm-cvtres.cpp
>>>     llvm/trunk/tools/llvm-cvtres/llvm-cvtres.h
>>>
>>> Modified: llvm/trunk/include/llvm/Object/Binary.h
>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/
>>> Object/Binary.h?rev=303480&r1=303479&r2=303480&view=diff
>>> ============================================================
>>> ==================
>>> --- llvm/trunk/include/llvm/Object/Binary.h (original)
>>> +++ llvm/trunk/include/llvm/Object/Binary.h Fri May 19 20:49:19 2017
>>> @@ -57,6 +57,8 @@ protected:
>>>      ID_MachO64L, // MachO 64-bit, little endian
>>>      ID_MachO64B, // MachO 64-bit, big endian
>>>
>>> +    ID_WinRes, // Windows resource (.res) file.
>>> +
>>>      ID_Wasm,
>>>
>>>      ID_EndObjects
>>> @@ -132,6 +134,8 @@ public:
>>>               TypeID == ID_MachO32B || TypeID == ID_MachO64B);
>>>    }
>>>
>>> +  bool isWinRes() const { return TypeID == ID_WinRes; }
>>> +
>>>    Triple::ObjectFormatType getTripleObjectFormat() const {
>>>      if (isCOFF())
>>>        return Triple::COFF;
>>>
>>> Added: llvm/trunk/include/llvm/Object/WindowsResource.h
>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/
>>> Object/WindowsResource.h?rev=303480&view=auto
>>> ============================================================
>>> ==================
>>> --- llvm/trunk/include/llvm/Object/WindowsResource.h (added)
>>> +++ llvm/trunk/include/llvm/Object/WindowsResource.h Fri May 19
>>> 20:49:19 2017
>>> @@ -0,0 +1,82 @@
>>> +//===-- WindowsResource.h ---------------------------------------*-
>>> C++-*-===//
>>> +//
>>> +//                     The LLVM Compiler Infrastructure
>>> +//
>>> +// This file is distributed under the University of Illinois Open Source
>>> +// License. See LICENSE.TXT for details.
>>> +//
>>> +//===------------------------------------------------------
>>> ---------------===//
>>> +//
>>> +// This file declares the .res file class.  .res files are intermediate
>>> +// products of the typical resource-compilation process on Windows.
>>> This
>>> +// process is as follows:
>>> +//
>>> +// .rc file(s) ---(rc.exe)---> .res file(s) ---(cvtres.exe)---> COFF
>>> file
>>> +//
>>> +// .rc files are human-readable scripts that list all resources a
>>> program uses.
>>> +//
>>> +// They are compiled into .res files, which are a list of the resources
>>> in
>>> +// binary form.
>>> +//
>>> +// Finally the data stored in the .res is compiled into a COFF file,
>>> where it
>>> +// is organized in a directory tree structure for optimized access by
>>> the
>>> +// program during runtime.
>>> +//
>>> +// Ref: msdn.microsoft.com/en-us/library/windows/desktop/ms648007(v=
>>> vs.85).aspx
>>> +//
>>> +//===------------------------------------------------------
>>> ---------------===//
>>> +
>>> +#ifndef LLVM_INCLUDE_LLVM_OBJECT_RESFILE_H
>>> +#define LLVM_INCLUDE_LLVM_OBJECT_RESFILE_H
>>> +
>>> +#include "llvm/ADT/ArrayRef.h"
>>> +#include "llvm/Object/Binary.h"
>>> +#include "llvm/Support/BinaryByteStream.h"
>>> +#include "llvm/Support/BinaryStreamReader.h"
>>> +#include "llvm/Support/Endian.h"
>>> +#include "llvm/Support/Error.h"
>>> +
>>> +namespace llvm {
>>> +namespace object {
>>> +
>>> +class WindowsResource;
>>> +
>>> +class ResourceEntryRef {
>>> +public:
>>> +  Error moveNext(bool &End);
>>> +
>>> +private:
>>> +  friend class WindowsResource;
>>> +
>>> +  ResourceEntryRef(BinaryStreamRef Ref, const WindowsResource *Owner,
>>> +                   Error &Err);
>>> +  Error loadNext();
>>> +
>>> +  BinaryStreamReader Reader;
>>> +  BinaryStreamRef HeaderBytes;
>>> +  BinaryStreamRef DataBytes;
>>> +  const WindowsResource *OwningRes = nullptr;
>>> +};
>>> +
>>> +class WindowsResource : public Binary {
>>> +public:
>>> +  ~WindowsResource() override;
>>> +  Expected<ResourceEntryRef> getHeadEntry();
>>> +
>>> +  static bool classof(const Binary *V) { return V->isWinRes(); }
>>> +
>>> +  static Expected<std::unique_ptr<WindowsResource>>
>>> +  createWindowsResource(MemoryBufferRef Source);
>>> +
>>> +private:
>>> +  friend class ResourceEntryRef;
>>> +
>>> +  WindowsResource(MemoryBufferRef Source);
>>> +
>>> +  BinaryByteStream BBS;
>>> +};
>>> +
>>> +} // namespace object
>>> +} // namespace llvm
>>> +
>>> +#endif
>>>
>>> Modified: llvm/trunk/include/llvm/Support/BinaryStreamReader.h
>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/
>>> Support/BinaryStreamReader.h?rev=303480&r1=303479&r2=303480&view=diff
>>> ============================================================
>>> ==================
>>> --- llvm/trunk/include/llvm/Support/BinaryStreamReader.h (original)
>>> +++ llvm/trunk/include/llvm/Support/BinaryStreamReader.h Fri May 19
>>> 20:49:19 2017
>>> @@ -16,7 +16,6 @@
>>>  #include "llvm/Support/BinaryStreamRef.h"
>>>  #include "llvm/Support/Endian.h"
>>>  #include "llvm/Support/Error.h"
>>> -#include "llvm/Support/MathExtras.h"
>>>  #include "llvm/Support/type_traits.h"
>>>
>>>  #include <string>
>>>
>>> Modified: llvm/trunk/include/llvm/Support/FileSystem.h
>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/
>>> Support/FileSystem.h?rev=303480&r1=303479&r2=303480&view=diff
>>> ============================================================
>>> ==================
>>> --- llvm/trunk/include/llvm/Support/FileSystem.h (original)
>>> +++ llvm/trunk/include/llvm/Support/FileSystem.h Fri May 19 20:49:19
>>> 2017
>>> @@ -261,7 +261,7 @@ struct file_magic {
>>>      coff_object,              ///< COFF object file
>>>      coff_import_library,      ///< COFF import library
>>>      pecoff_executable,        ///< PECOFF executable file
>>> -    windows_resource,         ///< Windows compiled resource file (.rc)
>>> +    windows_resource,         ///< Windows compiled resource file (.res)
>>>      wasm_object               ///< WebAssembly Object file
>>>    };
>>>
>>>
>>> Modified: llvm/trunk/lib/Object/Binary.cpp
>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Object/Bi
>>> nary.cpp?rev=303480&r1=303479&r2=303480&view=diff
>>> ============================================================
>>> ==================
>>> --- llvm/trunk/lib/Object/Binary.cpp (original)
>>> +++ llvm/trunk/lib/Object/Binary.cpp Fri May 19 20:49:19 2017
>>> @@ -17,6 +17,7 @@
>>>  #include "llvm/Object/Error.h"
>>>  #include "llvm/Object/MachOUniversal.h"
>>>  #include "llvm/Object/ObjectFile.h"
>>> +#include "llvm/Object/WindowsResource.h"
>>>  #include "llvm/Support/Error.h"
>>>  #include "llvm/Support/ErrorHandling.h"
>>>  #include "llvm/Support/ErrorOr.h"
>>> @@ -71,9 +72,10 @@ Expected<std::unique_ptr<Binary>> object
>>>        return ObjectFile::createSymbolicFile(Buffer, Type, Context);
>>>      case sys::fs::file_magic::macho_universal_binary:
>>>        return MachOUniversalBinary::create(Buffer);
>>> +    case sys::fs::file_magic::windows_resource:
>>> +      return WindowsResource::createWindowsResource(Buffer);
>>>      case sys::fs::file_magic::unknown:
>>>      case sys::fs::file_magic::coff_cl_gl_object:
>>> -    case sys::fs::file_magic::windows_resource:
>>>        // Unrecognized object file format.
>>>        return errorCodeToError(object_error::invalid_file_type);
>>>    }
>>>
>>> Modified: llvm/trunk/lib/Object/CMakeLists.txt
>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Object/CM
>>> akeLists.txt?rev=303480&r1=303479&r2=303480&view=diff
>>> ============================================================
>>> ==================
>>> --- llvm/trunk/lib/Object/CMakeLists.txt (original)
>>> +++ llvm/trunk/lib/Object/CMakeLists.txt Fri May 19 20:49:19 2017
>>> @@ -18,6 +18,7 @@ add_llvm_library(LLVMObject
>>>    SymbolicFile.cpp
>>>    SymbolSize.cpp
>>>    WasmObjectFile.cpp
>>> +  WindowsResource.cpp
>>>
>>>    ADDITIONAL_HEADER_DIRS
>>>    ${LLVM_MAIN_INCLUDE_DIR}/llvm/Object
>>>
>>> Added: llvm/trunk/lib/Object/WindowsResource.cpp
>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Object/Wi
>>> ndowsResource.cpp?rev=303480&view=auto
>>> ============================================================
>>> ==================
>>> --- llvm/trunk/lib/Object/WindowsResource.cpp (added)
>>> +++ llvm/trunk/lib/Object/WindowsResource.cpp Fri May 19 20:49:19 2017
>>> @@ -0,0 +1,92 @@
>>> +//===-- WindowsResource.cpp -------------------------------------*-
>>> C++ -*-===//
>>> +//
>>> +//                     The LLVM Compiler Infrastructure
>>> +//
>>> +// This file is distributed under the University of Illinois Open Source
>>> +// License. See LICENSE.TXT for details.
>>> +//
>>> +//===------------------------------------------------------
>>> ----------------===//
>>> +//
>>> +// This file implements the .res file class.
>>> +//
>>> +//===------------------------------------------------------
>>> ----------------===//
>>> +
>>> +#include "llvm/Object/WindowsResource.h"
>>> +#include "llvm/Object/Error.h"
>>> +#include <system_error>
>>> +
>>> +namespace llvm {
>>> +namespace object {
>>> +
>>> +static const char ResourceMagic[] = {
>>> +    '\0',   '\0',   '\0', '\0', '\x20', '\0',   '\0', '\0',
>>> +    '\xff', '\xff', '\0', '\0', '\xff', '\xff', '\0', '\0'};
>>> +
>>> +static const char NullEntry[16] = {'\0'};
>>> +
>>> +#define RETURN_IF_ERROR(X)
>>>        \
>>> +  if (auto EC = X)
>>>        \
>>> +    return EC;
>>> +
>>> +WindowsResource::WindowsResource(MemoryBufferRef Source)
>>> +    : Binary(Binary::ID_WinRes, Source) {
>>> +  size_t LeadingSize = sizeof(ResourceMagic) + sizeof(NullEntry);
>>> +  BBS = BinaryByteStream(Data.getBuffer().drop_front(LeadingSize),
>>> +                         support::little);
>>> +}
>>> +
>>> +WindowsResource::~WindowsResource() = default;
>>> +
>>> +Expected<std::unique_ptr<WindowsResource>>
>>> +WindowsResource::createWindowsResource(MemoryBufferRef Source) {
>>> +  if (Source.getBufferSize() < sizeof(ResourceMagic) +
>>> sizeof(NullEntry))
>>> +    return make_error<GenericBinaryError>(
>>> +        "File too small to be a resource file",
>>> +        object_error::invalid_file_type);
>>> +  std::unique_ptr<WindowsResource> Ret(new WindowsResource(Source));
>>> +  return std::move(Ret);
>>> +}
>>> +
>>> +Expected<ResourceEntryRef> WindowsResource::getHeadEntry() {
>>> +  Error Err = Error::success();
>>> +  auto Ref = ResourceEntryRef(BinaryStreamRef(BBS), this, Err);
>>> +  if (Err)
>>> +    return std::move(Err);
>>> +  return Ref;
>>> +}
>>> +
>>> +ResourceEntryRef::ResourceEntryRef(BinaryStreamRef Ref,
>>> +                                   const WindowsResource *Owner, Error
>>> &Err)
>>> +    : Reader(Ref), OwningRes(Owner) {
>>> +  if (loadNext())
>>> +    Err = make_error<GenericBinaryError>("Could not read first entry.",
>>> +                                         object_error::unexpected_eof);
>>> +}
>>> +
>>> +Error ResourceEntryRef::moveNext(bool &End) {
>>> +  // Reached end of all the entries.
>>> +  if (Reader.bytesRemaining() == 0) {
>>> +    End = true;
>>> +    return Error::success();
>>> +  }
>>> +  RETURN_IF_ERROR(loadNext());
>>> +
>>> +  return Error::success();
>>> +}
>>> +
>>> +Error ResourceEntryRef::loadNext() {
>>> +  uint32_t DataSize;
>>> +  RETURN_IF_ERROR(Reader.readInteger(DataSize));
>>> +  uint32_t HeaderSize;
>>> +  RETURN_IF_ERROR(Reader.readInteger(HeaderSize));
>>> +  // The data and header size ints are themselves part of the header,
>>> so we must
>>> +  // subtract them from the size.
>>> +  RETURN_IF_ERROR(
>>> +      Reader.readStreamRef(HeaderBytes, HeaderSize - 2 *
>>> sizeof(uint32_t)));
>>> +  RETURN_IF_ERROR(Reader.readStreamRef(DataBytes, DataSize));
>>> +  RETURN_IF_ERROR(Reader.padToAlignment(sizeof(uint32_t)));
>>> +  return Error::success();
>>> +}
>>> +
>>> +} // namespace object
>>> +} // namespace llvm
>>>
>>> Added: llvm/trunk/test/tools/llvm-cvtres/Inputs/cursor_small.bmp
>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/ll
>>> vm-cvtres/Inputs/cursor_small.bmp?rev=303480&view=auto
>>> ============================================================
>>> ==================
>>> Binary file - no diff available.
>>>
>>> Propchange: llvm/trunk/test/tools/llvm-cvtres/Inputs/cursor_small.bmp
>>> ------------------------------------------------------------
>>> ------------------
>>>     svn:mime-type = application/octet-stream
>>>
>>> Added: llvm/trunk/test/tools/llvm-cvtres/Inputs/okay_small.bmp
>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/ll
>>> vm-cvtres/Inputs/okay_small.bmp?rev=303480&view=auto
>>> ============================================================
>>> ==================
>>> Binary file - no diff available.
>>>
>>> Propchange: llvm/trunk/test/tools/llvm-cvtres/Inputs/okay_small.bmp
>>> ------------------------------------------------------------
>>> ------------------
>>>     svn:mime-type = application/octet-stream
>>>
>>> Added: llvm/trunk/test/tools/llvm-cvtres/Inputs/test_resource.rc
>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/ll
>>> vm-cvtres/Inputs/test_resource.rc?rev=303480&view=auto
>>> ============================================================
>>> ==================
>>> --- llvm/trunk/test/tools/llvm-cvtres/Inputs/test_resource.rc (added)
>>> +++ llvm/trunk/test/tools/llvm-cvtres/Inputs/test_resource.rc Fri May
>>> 19 20:49:19 2017
>>> @@ -0,0 +1,44 @@
>>> +#include "windows.h"
>>> +
>>> +LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
>>> +
>>> +myaccelerators ACCELERATORS
>>> +{
>>> +       "^C", 999, VIRTKEY, ALT
>>> +       "D", 1100, VIRTKEY, CONTROL, SHIFT
>>> +       "^R", 444, ASCII, NOINVERT
>>> +}
>>> +
>>> +cursor BITMAP "cursor_small.bmp"
>>> +okay BITMAP "okay_small.bmp"
>>> +
>>> +14432 MENU
>>> +LANGUAGE LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED
>>> +{
>>> +       MENUITEM "yu", 100
>>> +       MENUITEM "shala", 101
>>> +       MENUITEM "kaoya", 102
>>> +}
>>> +
>>> +testdialog DIALOG 10, 10, 200, 300
>>> +STYLE WS_POPUP | WS_BORDER
>>> +CAPTION "Test"
>>> +{
>>> +       CTEXT "Continue:", 1, 10, 10, 230, 14
>>> +       PUSHBUTTON "&OK", 2, 66, 134, 161, 13
>>> +}
>>> +
>>> +12 ACCELERATORS
>>> +{
>>> +       "X", 164, VIRTKEY, ALT
>>> +       "H", 5678, VIRTKEY, CONTROL, SHIFT
>>> +       "^R", 444, ASCII, NOINVERT
>>> +}
>>> +
>>> +"eat" MENU
>>> +LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_AUS
>>> +{
>>> +       MENUITEM "fish", 100
>>> +       MENUITEM "salad", 101
>>> +       MENUITEM "duck", 102
>>> +}
>>>
>>> Added: llvm/trunk/test/tools/llvm-cvtres/Inputs/test_resource.res
>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/ll
>>> vm-cvtres/Inputs/test_resource.res?rev=303480&view=auto
>>> ============================================================
>>> ==================
>>> Binary file - no diff available.
>>>
>>> Propchange: llvm/trunk/test/tools/llvm-cvtres/Inputs/test_resource.res
>>> ------------------------------------------------------------
>>> ------------------
>>>     svn:mime-type = application/octet-stream
>>>
>>> Added: llvm/trunk/test/tools/llvm-cvtres/resource.test
>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/ll
>>> vm-cvtres/resource.test?rev=303480&view=auto
>>> ============================================================
>>> ==================
>>> --- llvm/trunk/test/tools/llvm-cvtres/resource.test (added)
>>> +++ llvm/trunk/test/tools/llvm-cvtres/resource.test Fri May 19 20:49:19
>>> 2017
>>> @@ -0,0 +1,7 @@
>>> +// The input was generated with the following command, using the
>>> original Windows
>>> +// rc.exe:
>>> +// > rc /fo test_resource.res /nologo test_resource.rc
>>> +
>>> +RUN: llvm-cvtres %p/Inputs/test_resource.res | FileCheck %s
>>> +
>>> +CHECK: Number of resources: 7
>>>
>>> Modified: llvm/trunk/tools/llvm-cvtres/CMakeLists.txt
>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-cv
>>> tres/CMakeLists.txt?rev=303480&r1=303479&r2=303480&view=diff
>>> ============================================================
>>> ==================
>>> --- llvm/trunk/tools/llvm-cvtres/CMakeLists.txt (original)
>>> +++ llvm/trunk/tools/llvm-cvtres/CMakeLists.txt Fri May 19 20:49:19 2017
>>> @@ -1,4 +1,5 @@
>>>  set(LLVM_LINK_COMPONENTS
>>> +  Object
>>>    Option
>>>    Support
>>>    )
>>>
>>> Modified: llvm/trunk/tools/llvm-cvtres/llvm-cvtres.cpp
>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-cv
>>> tres/llvm-cvtres.cpp?rev=303480&r1=303479&r2=303480&view=diff
>>> ============================================================
>>> ==================
>>> --- llvm/trunk/tools/llvm-cvtres/llvm-cvtres.cpp (original)
>>> +++ llvm/trunk/tools/llvm-cvtres/llvm-cvtres.cpp Fri May 19 20:49:19
>>> 2017
>>> @@ -14,17 +14,23 @@
>>>
>>>  #include "llvm-cvtres.h"
>>>
>>> +#include "llvm/ADT/StringSwitch.h"
>>> +#include "llvm/Object/Binary.h"
>>> +#include "llvm/Object/WindowsResource.h"
>>>  #include "llvm/Option/Arg.h"
>>>  #include "llvm/Option/ArgList.h"
>>>  #include "llvm/Option/Option.h"
>>> +#include "llvm/Support/BinaryStreamError.h"
>>>  #include "llvm/Support/Error.h"
>>>  #include "llvm/Support/ManagedStatic.h"
>>> +#include "llvm/Support/Path.h"
>>>  #include "llvm/Support/PrettyStackTrace.h"
>>>  #include "llvm/Support/Process.h"
>>>  #include "llvm/Support/Signals.h"
>>>  #include "llvm/Support/raw_ostream.h"
>>>
>>>  using namespace llvm;
>>> +using namespace object;
>>>
>>>  namespace {
>>>
>>> @@ -61,6 +67,28 @@ public:
>>>  static ExitOnError ExitOnErr;
>>>  }
>>>
>>> +LLVM_ATTRIBUTE_NORETURN void reportError(Twine Msg) {
>>> +  errs() << Msg;
>>> +  exit(1);
>>> +}
>>> +
>>> +static void reportError(StringRef Input, std::error_code EC) {
>>> +  reportError(Twine(Input) + ": " + EC.message() + ".\n");
>>> +}
>>> +
>>> +void error(std::error_code EC) {
>>> +  if (!EC)
>>> +    return;
>>> +  reportError(EC.message() + ".\n");
>>> +}
>>> +
>>> +void error(Error EC) {
>>> +  if (!EC)
>>> +    return;
>>> +  handleAllErrors(std::move(EC),
>>> +                  [&](const ErrorInfoBase &EI) {
>>> reportError(EI.message()); });
>>> +}
>>> +
>>>  int main(int argc_, const char *argv_[]) {
>>>    sys::PrintStackTraceOnErrorSignal(argv_[0]);
>>>    PrettyStackTraceProgram X(argc_, argv_);
>>> @@ -76,11 +104,79 @@ int main(int argc_, const char *argv_[])
>>>
>>>    CvtResOptTable T;
>>>    unsigned MAI, MAC;
>>> -  ArrayRef<const char *> ArgsArr = makeArrayRef(argv_, argc_);
>>> +  ArrayRef<const char *> ArgsArr = makeArrayRef(argv_ + 1, argc_);
>>>    opt::InputArgList InputArgs = T.ParseArgs(ArgsArr, MAI, MAC);
>>>
>>> -  if (InputArgs.hasArg(OPT_HELP))
>>> +  if (InputArgs.hasArg(OPT_HELP)) {
>>>      T.PrintHelp(outs(), "cvtres", "Resource Converter", false);
>>> +    return 0;
>>> +  }
>>> +
>>> +  machine Machine;
>>>
>>> +  if (InputArgs.hasArg(OPT_MACHINE)) {
>>> +    std::string MachineString = InputArgs.getLastArgValue(OPT_
>>> MACHINE).upper();
>>> +    Machine = StringSwitch<machine>(MachineString)
>>> +                  .Case("ARM", machine::ARM)
>>> +                  .Case("X64", machine::X64)
>>> +                  .Case("X86", machine::X86)
>>> +                  .Default(machine::UNKNOWN);
>>> +    if (Machine == machine::UNKNOWN)
>>> +      reportError("Unsupported machine architecture");
>>> +  } else {
>>> +    outs() << "Machine architecture not specified; assumed X64.\n";
>>> +    Machine = machine::X64;
>>> +  }
>>> +
>>> +  std::vector<std::string> InputFiles = InputArgs.getAllArgValues(OPT_
>>> INPUT);
>>> +
>>> +  if (InputFiles.size() == 0) {
>>> +    reportError("No input file specified");
>>> +  }
>>> +
>>> +  SmallString<128> OutputFile;
>>> +
>>> +  if (InputArgs.hasArg(OPT_OUT)) {
>>> +    OutputFile = InputArgs.getLastArgValue(OPT_OUT);
>>> +  } else {
>>> +    OutputFile = StringRef(InputFiles[0]);
>>> +    llvm::sys::path::replace_extension(OutputFile, ".obj");
>>> +  }
>>> +
>>> +  for (const auto &File : InputFiles) {
>>> +    Expected<object::OwningBinary<object::Binary>> BinaryOrErr =
>>> +        object::createBinary(File);
>>> +    if (!BinaryOrErr)
>>> +      reportError(File, errorToErrorCode(BinaryOrErr.takeError()));
>>> +
>>> +    Binary &Binary = *BinaryOrErr.get().getBinary();
>>> +
>>> +    WindowsResource *RF = dyn_cast<WindowsResource>(&Binary);
>>> +    if (!RF)
>>> +      reportError(File + ": unrecognized file format.\n");
>>> +
>>> +    int EntryNumber = 0;
>>> +    Expected<ResourceEntryRef> EntryOrErr = RF->getHeadEntry();
>>> +    if (!EntryOrErr)
>>> +      error(EntryOrErr.takeError());
>>> +    ResourceEntryRef Entry = EntryOrErr.get();
>>> +    bool End = false;
>>> +    while (!End) {
>>> +      error(Entry.moveNext(End));
>>> +      EntryNumber++;
>>> +    }
>>> +    outs() << "Number of resources: " << EntryNumber << "\n";
>>> +  }
>>> +  outs() << "Machine: ";
>>> +  switch (Machine) {
>>> +  case machine::ARM:
>>> +    outs() << "ARM\n";
>>> +    break;
>>> +  case machine::X86:
>>> +    outs() << "X86\n";
>>> +    break;
>>> +  default:
>>> +    outs() << "X64\n";
>>> +  }
>>>    return 0;
>>>  }
>>>
>>> Modified: llvm/trunk/tools/llvm-cvtres/llvm-cvtres.h
>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-cv
>>> tres/llvm-cvtres.h?rev=303480&r1=303479&r2=303480&view=diff
>>> ============================================================
>>> ==================
>>> --- llvm/trunk/tools/llvm-cvtres/llvm-cvtres.h (original)
>>> +++ llvm/trunk/tools/llvm-cvtres/llvm-cvtres.h Fri May 19 20:49:19 2017
>>> @@ -10,4 +10,10 @@
>>>  #ifndef LLVM_TOOLS_LLVMCVTRES_LLVMCVTRES_H
>>>  #define LLVM_TOOLS_LLVMCVTRES_LLVMCVTRES_H
>>>
>>> +#include <system_error>
>>> +
>>> +void error(std::error_code EC);
>>> +
>>> +enum class machine { UNKNOWN = 0, ARM, X64, X86 };
>>> +
>>>  #endif
>>>
>>>
>>> _______________________________________________
>>> llvm-commits mailing list
>>> llvm-commits at lists.llvm.org
>>> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-commits
>>>
>>
>>
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