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
59