[C++11] Replace OwningPtr::take() with OwningPtr::release().

[oota-llvm.git] / lib / Object / Binary.cpp

diff --git a/lib/Object/Binary.cpp b/lib/Object/Binary.cpp
index 4b31c7557dd3a4e9699e30fd8706cb1d7938db48..673a34e98a617de027f0fb01e38c147e275042ac 100644 (file)
--- a/lib/Object/Binary.cpp
+++ b/lib/Object/Binary.cpp
@@ -13,23 +13,25 @@
 
 #include "llvm/Object/Binary.h"
 #include "llvm/ADT/StringRef.h"
+#include "llvm/Support/FileSystem.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/Path.h"
 
 // Include headers for createBinary.
+#include "llvm/Object/Archive.h"
+#include "llvm/Object/MachOUniversal.h"
 #include "llvm/Object/ObjectFile.h"
-#include "llvm/Object/COFF.h"
 
 using namespace llvm;
 using namespace object;
 
 Binary::~Binary() {
-  delete Data;
+  if (BufferOwned)
+    delete Data;
 }
 
-Binary::Binary(unsigned int Type, MemoryBuffer *Source)
-  : TypeID(Type)
-  , Data(Source) {}
+Binary::Binary(unsigned int Type, MemoryBuffer *Source, bool BufferOwned)
+  : TypeID(Type), BufferOwned(BufferOwned), Data(Source) {}
 
 StringRef Binary::getData() const {
   return Data->getBuffer();
@@ -39,58 +41,47 @@ StringRef Binary::getFileName() const {
   return Data->getBufferIdentifier();
 }
 
-error_code object::createBinary(MemoryBuffer *Source,
-                                OwningPtr<Binary> &Result) {
+ErrorOr<Binary *> object::createBinary(MemoryBuffer *Source,
+                                       LLVMContext *Context) {
   OwningPtr<MemoryBuffer> scopedSource(Source);
-  if (!Source)
-    return make_error_code(errc::invalid_argument);
-  if (Source->getBufferSize() < 64)
-    return object_error::invalid_file_type;
-  sys::LLVMFileType type = sys::IdentifyFileType(Source->getBufferStart(),
-                                static_cast<unsigned>(Source->getBufferSize()));
-  error_code ec;
-  switch (type) {
-    case sys::ELF_Relocatable_FileType:
-    case sys::ELF_Executable_FileType:
-    case sys::ELF_SharedObject_FileType:
-    case sys::ELF_Core_FileType: {
-      OwningPtr<Binary> ret(
-        ObjectFile::createELFObjectFile(scopedSource.take()));
-      if (!ret)
-        return object_error::invalid_file_type;
-      Result.swap(ret);
-      return object_error::success;
-    }
-    case sys::Mach_O_Object_FileType:
-    case sys::Mach_O_Executable_FileType:
-    case sys::Mach_O_FixedVirtualMemorySharedLib_FileType:
-    case sys::Mach_O_Core_FileType:
-    case sys::Mach_O_PreloadExecutable_FileType:
-    case sys::Mach_O_DynamicallyLinkedSharedLib_FileType:
-    case sys::Mach_O_DynamicLinker_FileType:
-    case sys::Mach_O_Bundle_FileType:
-    case sys::Mach_O_DynamicallyLinkedSharedLibStub_FileType: {
-      OwningPtr<Binary> ret(
-        ObjectFile::createMachOObjectFile(scopedSource.take()));
-      if (!ret)
-        return object_error::invalid_file_type;
-      Result.swap(ret);
-      return object_error::success;
-    }
-    case sys::COFF_FileType: {
-      OwningPtr<Binary> ret(new COFFObjectFile(scopedSource.take(), ec));
-      if (ec) return ec;
-      Result.swap(ret);
-      return object_error::success;
-    }
-    default: // Unrecognized object file format.
+  sys::fs::file_magic Type = sys::fs::identify_magic(Source->getBuffer());
+
+  switch (Type) {
+    case sys::fs::file_magic::archive:
+      return Archive::create(scopedSource.release());
+    case sys::fs::file_magic::elf_relocatable:
+    case sys::fs::file_magic::elf_executable:
+    case sys::fs::file_magic::elf_shared_object:
+    case sys::fs::file_magic::elf_core:
+    case sys::fs::file_magic::macho_object:
+    case sys::fs::file_magic::macho_executable:
+    case sys::fs::file_magic::macho_fixed_virtual_memory_shared_lib:
+    case sys::fs::file_magic::macho_core:
+    case sys::fs::file_magic::macho_preload_executable:
+    case sys::fs::file_magic::macho_dynamically_linked_shared_lib:
+    case sys::fs::file_magic::macho_dynamic_linker:
+    case sys::fs::file_magic::macho_bundle:
+    case sys::fs::file_magic::macho_dynamically_linked_shared_lib_stub:
+    case sys::fs::file_magic::macho_dsym_companion:
+    case sys::fs::file_magic::coff_object:
+    case sys::fs::file_magic::coff_import_library:
+    case sys::fs::file_magic::pecoff_executable:
+    case sys::fs::file_magic::bitcode:
+      return ObjectFile::createSymbolicFile(scopedSource.release(), true, Type,
+                                            Context);
+    case sys::fs::file_magic::macho_universal_binary:
+      return MachOUniversalBinary::create(scopedSource.release());
+    case sys::fs::file_magic::unknown:
+    case sys::fs::file_magic::windows_resource:
+      // Unrecognized object file format.
       return object_error::invalid_file_type;
   }
+  llvm_unreachable("Unexpected Binary File Type");
 }
 
-error_code object::createBinary(StringRef Path, OwningPtr<Binary> &Result) {
+ErrorOr<Binary *> object::createBinary(StringRef Path) {
   OwningPtr<MemoryBuffer> File;
-  if (error_code ec = MemoryBuffer::getFile(Path, File))
-    return ec;
-  return createBinary(File.take(), Result);
+  if (error_code EC = MemoryBuffer::getFileOrSTDIN(Path, File))
+    return EC;
+  return createBinary(File.release());
 }