// Convert a path into the canonical form.
// Canonical form is either "/", or "/segment" * N:
// C:\foo\bar --> /c:/foo/bar
// /foo/ --> /foo
// a/b/c --> /a/b/c
static SmallString<128> canonicalize(StringRef Path) {
SmallString<128> Result = Path.rtrim('/');
native(Result, sys::path::Style::posix);
if (Result.empty() || Result.front() != '/')
Result.insert(Result.begin(), '/');
return Result;
}
bool ASTUnit::serialize(llvm::raw_ostream &OS) {
if (getDiagnostics().hasErrorOccurred())
return true;
SmallString<128> Buffer;
llvm::BitstreamWriter Stream(Buffer);
ASTWriter Writer(Stream);
Writer.WriteAST(getSema(), 0, std::string(), 0);
// Write the generated bitstream to "Out".
if (!Buffer.empty())
OS.write((char *)&Buffer.front(), Buffer.size());
return false;
}