[PATCH] D28386: Add the ability to iterate across all attributes in a DIE.

[Greg Clayton via Phabricator via llvm-commits]

clayborg created this revision.
clayborg added reviewers: dblaikie, aprantl, probinson, llvm-commits.
Herald added a subscriber: jgosnell.

In order for LLDB to be able to use the LLVM DWARF parser, it needs to be able to iterate across all attributes in a DWARFDie. This change adds a DWARFDie::attributes() function that allows easy iteration:

  for (auto &AttrValue : CUDie.attributes()) {
    switch (AttrValue.Attr) {
    case DW_AT_name:
      if (auto Name = AttrValue.Value.getAsCString())
        ...
      break;
    case DW_AT_declaration:
      if (auto Declaration = AttrValue.Value.getAsUnsignedConstant())
        ...
      break;
    case DW_AT_low_pc:
      if (auto LowPC = AttrValue.Value.getAsAddress())
        ...
      break;
    default:
      break;
    }
  }


https://reviews.llvm.org/D28386

Files:
  include/llvm/DebugInfo/DWARF/DWARFAbbreviationDeclaration.h
  include/llvm/DebugInfo/DWARF/DWARFAttribute.h
  include/llvm/DebugInfo/DWARF/DWARFDie.h
  lib/DebugInfo/DWARF/DWARFDie.cpp
  unittests/DebugInfo/DWARF/DWARFDebugInfoTest.cpp

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