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COFF: Use llvm:🆑:ExpandReponseFiles. 

llvm-svn: 239269
This commit is contained in:
Rui Ueyama 2015-06-07 23:00:29 +00:00
parent 0c35b38fd2
commit b51f67a175
1 changed files with 7 additions and 17 deletions
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24
lld/COFF/DriverUtils.cpp
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@ -32,6 +32,8 @@
using namespace llvm::COFF;
using namespace llvm;
using llvm::cl::ExpandResponseFiles;
using llvm::cl::TokenizeWindowsCommandLine;
using llvm::sys::Process;
namespace lld {
@ -216,26 +218,14 @@ std::vector<const char *> ArgParser::tokenize(StringRef S) {
return V;
}
// Creates a new command line by replaceing options starting with '@'
// Creates a new command line by replacing options starting with '@'
// character. '@<filename>' is replaced by the file's contents.
ErrorOr<std::vector<const char *>>
ArgParser::replaceResponseFiles(std::vector<const char *> Argv) {
std::vector<const char *> V;
for (const char *S : Argv) {
if (S[0] != '@') {
V.push_back(S);
continue;
}
StringRef Path = S + 1;
auto BufOrErr = MemoryBuffer::getFile(Path);
if (auto EC = BufOrErr.getError())
return EC;
std::unique_ptr<MemoryBuffer> Buf = std::move(BufOrErr.get());
StringRef Str = Alloc.save(Buf->getBuffer());
std::vector<const char *> Tokens = tokenize(Str);
V.insert(V.end(), Tokens.begin(), Tokens.end());
}
return V;
SmallVector<const char *, 256> Tokens(&Argv[0], &Argv[0] + Argv.size());
BumpPtrStringSaver Saver(&Alloc);
ExpandResponseFiles(Saver, TokenizeWindowsCommandLine, Tokens);
return std::vector<const char *>(Tokens.begin(), Tokens.end());
}
void printHelp(const char *Argv0) {