lib/ObjectYAML/ObjectYAML.cpp

   1 //===- ObjectYAML.cpp - YAML utilities for object files -------------------===//
   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 a wrapper class for handling tagged YAML input
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "llvm/ObjectYAML/ObjectYAML.h"
  14 #include "llvm/ADT/Twine.h"
  15 #include "llvm/Support/YAMLParser.h"
  16 #include "llvm/Support/YAMLTraits.h"
  17 #include <string>
  18
  19 using namespace llvm;
  20 using namespace yaml;
  21
  22 void MappingTraits<YamlObjectFile>::mapping(IO &IO,
  23                                             YamlObjectFile &ObjectFile) {
  24   if (IO.outputting()) {
  25     if (ObjectFile.Elf)
  26       MappingTraits<ELFYAML::Object>::mapping(IO, *ObjectFile.Elf);
  27     if (ObjectFile.Coff)
  28       MappingTraits<COFFYAML::Object>::mapping(IO, *ObjectFile.Coff);
  29     if (ObjectFile.MachO)
  30       MappingTraits<MachOYAML::Object>::mapping(IO, *ObjectFile.MachO);
  31     if (ObjectFile.FatMachO)
  32       MappingTraits<MachOYAML::UniversalBinary>::mapping(IO,
  33                                                          *ObjectFile.FatMachO);
  34   } else {
  35     if (IO.mapTag("!ELF")) {
  36       ObjectFile.Elf.reset(new ELFYAML::Object());
  37       MappingTraits<ELFYAML::Object>::mapping(IO, *ObjectFile.Elf);
  38     } else if (IO.mapTag("!COFF")) {
  39       ObjectFile.Coff.reset(new COFFYAML::Object());
  40       MappingTraits<COFFYAML::Object>::mapping(IO, *ObjectFile.Coff);
  41     } else if (IO.mapTag("!mach-o")) {
  42       ObjectFile.MachO.reset(new MachOYAML::Object());
  43       MappingTraits<MachOYAML::Object>::mapping(IO, *ObjectFile.MachO);
  44     } else if (IO.mapTag("!fat-mach-o")) {
  45       ObjectFile.FatMachO.reset(new MachOYAML::UniversalBinary());
  46       MappingTraits<MachOYAML::UniversalBinary>::mapping(IO,
  47                                                          *ObjectFile.FatMachO);
  48     } else if (IO.mapTag("!WASM")) {
  49       ObjectFile.Wasm.reset(new WasmYAML::Object());
  50       MappingTraits<WasmYAML::Object>::mapping(IO, *ObjectFile.Wasm);
  51     } else {
  52       Input &In = (Input &)IO;
  53       std::string Tag = In.getCurrentNode()->getRawTag();
  54       if (Tag.empty())
  55         IO.setError("YAML Object File missing document type tag!");
  56       else
  57         IO.setError(
  58             Twine("YAML Object File unsupported document type tag '") +
  59             Twine(Tag) + Twine("'!"));
  60     }
  61   }
  62 }