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/Error.h"
  12 #include "llvm/Support/raw_ostream.h"
  13
  14 using namespace llvm;
  15 using namespace ArchYAML;
  16
  17 namespace llvm {
  18 namespace yaml {
  19
  20 bool yaml2archive(ArchYAML::Archive &Doc, raw_ostream &Out, ErrorHandler EH) {
  21   Out.write(Doc.Magic.data(), Doc.Magic.size());
  22
  23   if (Doc.Content) {
  24     Doc.Content->writeAsBinary(Out);
  25     return true;
  26   }
  27
  28   if (!Doc.Members)
  29     return true;
  30
  31   auto WriteField = [&](StringRef Field, uint8_t Size) {
  32     Out.write(Field.data(), Field.size());
  33     for (size_t I = Field.size(); I != Size; ++I)
  34       Out.write(' ');
  35   };
  36
  37   for (const Archive::Child &C : *Doc.Members) {
  38     for (auto &P : C.Fields)
  39       WriteField(P.second.Value, P.second.MaxLength);
  40
  41     if (C.Content)
  42       C.Content->writeAsBinary(Out);
  43     if (C.PaddingByte)
  44       Out.write(*C.PaddingByte);
  45   }
  46
  47   return true;
  48 }
  49
  50 } // namespace yaml
  51 } // namespace llvm