llvm/lib/ObjectYAML/ArchiveEmitter.cpp

   1 //===- ArchiveEmitter.cpp ---------------------------- --------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "llvm/ObjectYAML/ArchiveYAML.h"
  10 #include "llvm/ObjectYAML/yaml2obj.h"
  11 #include "llvm/Support/raw_ostream.h"
  12
  13 using namespace llvm;
  14 using namespace ArchYAML;
  15
  16 namespace llvm {
  17 namespace yaml {
  18
  19 bool yaml2archive(ArchYAML::Archive &Doc, raw_ostream &Out, ErrorHandler EH) {
  20   Out.write(Doc.Magic.data(), Doc.Magic.size());
  21
  22   if (Doc.Content) {
  23     Doc.Content->writeAsBinary(Out);
  24     return true;
  25   }
  26
  27   if (!Doc.Members)
  28     return true;
  29
  30   auto WriteField = [&](StringRef Field, uint8_t Size) {
  31     Out.write(Field.data(), Field.size());
  32     for (size_t I = Field.size(); I != Size; ++I)
  33       Out.write(' ');
  34   };
  35
  36   for (const Archive::Child &C : *Doc.Members) {
  37     for (auto &P : C.Fields)
  38       WriteField(P.second.Value, P.second.MaxLength);
  39
  40     if (C.Content)
  41       C.Content->writeAsBinary(Out);
  42     if (C.PaddingByte)
  43       Out.write(*C.PaddingByte);
  44   }
  45
  46   return true;
  47 }
  48
  49 } // namespace yaml
  50 } // namespace llvm