llvm/lib/ObjectYAML/ArchiveYAML.cpp

   1 //===- ArchiveYAML.cpp - ELF YAMLIO implementation -------------------- ----===//
   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 // This file defines classes for handling the YAML representation of archives.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "llvm/ObjectYAML/ArchiveYAML.h"
  14
  15 namespace llvm {
  16
  17 namespace yaml {
  18
  19 void MappingTraits<ArchYAML::Archive>::mapping(IO &IO, ArchYAML::Archive &A) {
  20   assert(!IO.getContext() && "The IO context is initialized already");
  21   IO.setContext(&A);
  22   IO.mapTag("!Arch", true);
  23   IO.mapOptional("Magic", A.Magic, "!<arch>\n");
  24   IO.mapOptional("Members", A.Members);
  25   IO.mapOptional("Content", A.Content);
  26   IO.setContext(nullptr);
  27 }
  28
  29 std::string MappingTraits<ArchYAML::Archive>::validate(IO &,
  30                                                        ArchYAML::Archive &A) {
  31   if (A.Members && A.Content)
  32     return "\"Content\" and \"Members\" cannot be used together";
  33   return "";
  34 }
  35
  36 void MappingTraits<ArchYAML::Archive::Child>::mapping(
  37     IO &IO, ArchYAML::Archive::Child &E) {
  38   assert(IO.getContext() && "The IO context is not initialized");
  39   for (auto &P : E.Fields)
  40     IO.mapOptional(P.first.data(), P.second.Value, P.second.DefaultValue);
  41   IO.mapOptional("Content", E.Content);
  42   IO.mapOptional("PaddingByte", E.PaddingByte);
  43 }
  44
  45 std::string
  46 MappingTraits<ArchYAML::Archive::Child>::validate(IO &,
  47                                                   ArchYAML::Archive::Child &C) {
  48   for (auto &P : C.Fields)
  49     if (P.second.Value.size() > P.second.MaxLength)
  50       return ("the maximum length of \"" + P.first + "\" field is " +
  51               Twine(P.second.MaxLength))
  52           .str();
  53   return "";
  54 }
  55
  56 } // end namespace yaml
  57
  58 } // end namespace llvm