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Update the MemoryBuffer API to use ErrorOr.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212405 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2014-07-06 17:43:13 +00:00
parent 04e43e64a9
commit 7cba2a973f
35 changed files with 296 additions and 279 deletions
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lib/Support/CommandLine.cpp
+4 -2
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@@ -631,9 +631,11 @@ void cl::TokenizeWindowsCommandLine(StringRef Src, StringSaver &Saver,
static bool ExpandResponseFile(const char *FName, StringSaver &Saver,
TokenizerCallback Tokenizer,
SmallVectorImpl<const char *> &NewArgv) {
std::unique_ptr<MemoryBuffer> MemBuf;
if (MemoryBuffer::getFile(FName, MemBuf))
ErrorOr<std::unique_ptr<MemoryBuffer>> MemBufOrErr =
MemoryBuffer::getFile(FName);
if (!MemBufOrErr)
return false;
std::unique_ptr<MemoryBuffer> MemBuf = std::move(MemBufOrErr.get());
StringRef Str(MemBuf->getBufferStart(), MemBuf->getBufferSize());
// If we have a UTF-16 byte order mark, convert to UTF-8 for parsing.