extracting swapStruct into include/llvm/Support/MachO.h (no functional change)

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

diff --git a/lib/Object/Binary.cpp b/lib/Object/Binary.cpp
index a0c412a64b282b83975a09a8f29de3b12288b00d..9f6a68556f9a845881379d6f78e508d9092c4505 100644 (file)
--- a/lib/Object/Binary.cpp
+++ b/lib/Object/Binary.cpp
@@ -25,13 +25,10 @@
 using namespace llvm;
 using namespace object;
 
-Binary::~Binary() {
-  delete Data;
-}
+Binary::~Binary() {}
 
-Binary::Binary(unsigned int Type, MemoryBuffer *Source)
-  : TypeID(Type)
-  , Data(Source) {}
+Binary::Binary(unsigned int Type, std::unique_ptr<MemoryBuffer> Source)
+    : TypeID(Type), Data(std::move(Source)) {}
 
 StringRef Binary::getData() const {
   return Data->getBuffer();
@@ -41,15 +38,13 @@ StringRef Binary::getFileName() const {
   return Data->getBufferIdentifier();
 }
 
-ErrorOr<Binary *> object::createBinary(MemoryBuffer *Source,
-                                       sys::fs::file_magic Type) {
-  OwningPtr<MemoryBuffer> scopedSource(Source);
-  if (Type == sys::fs::file_magic::unknown)
-    Type = sys::fs::identify_magic(Source->getBuffer());
+ErrorOr<Binary *> object::createBinary(std::unique_ptr<MemoryBuffer> &Buffer,
+                                       LLVMContext *Context) {
+  sys::fs::file_magic Type = sys::fs::identify_magic(Buffer->getBuffer());
 
   switch (Type) {
     case sys::fs::file_magic::archive:
-      return Archive::create(scopedSource.take());
+      return Archive::create(std::move(Buffer));
     case sys::fs::file_magic::elf_relocatable:
     case sys::fs::file_magic::elf_executable:
     case sys::fs::file_magic::elf_shared_object:
@@ -67,11 +62,11 @@ ErrorOr<Binary *> object::createBinary(MemoryBuffer *Source,
     case sys::fs::file_magic::coff_object:
     case sys::fs::file_magic::coff_import_library:
     case sys::fs::file_magic::pecoff_executable:
-      return ObjectFile::createObjectFile(scopedSource.take(), Type);
+    case sys::fs::file_magic::bitcode:
+      return ObjectFile::createSymbolicFile(Buffer, Type, Context);
     case sys::fs::file_magic::macho_universal_binary:
-      return MachOUniversalBinary::create(scopedSource.take());
+      return MachOUniversalBinary::create(std::move(Buffer));
     case sys::fs::file_magic::unknown:
-    case sys::fs::file_magic::bitcode:
     case sys::fs::file_magic::windows_resource:
       // Unrecognized object file format.
       return object_error::invalid_file_type;
@@ -80,8 +75,9 @@ ErrorOr<Binary *> object::createBinary(MemoryBuffer *Source,
 }
 
 ErrorOr<Binary *> object::createBinary(StringRef Path) {
-  OwningPtr<MemoryBuffer> File;
-  if (error_code EC = MemoryBuffer::getFileOrSTDIN(Path, File))
+  ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
+      MemoryBuffer::getFileOrSTDIN(Path);
+  if (std::error_code EC = FileOrErr.getError())
     return EC;
-  return createBinary(File.take());
+  return createBinary(FileOrErr.get());
 }