//===-- DWARFCompileUnit.cpp ----------------------------------------------===//

//

// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

// See https://llvm.org/LICENSE.txt for license information.

// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

//

//===----------------------------------------------------------------------===//

#include "llvm/DebugInfo/DWARF/DWARFCompileUnit.h"

#include "llvm/DebugInfo/DIContext.h"

#include "llvm/DebugInfo/DWARF/DWARFDie.h"

#include "llvm/Support/Format.h"

#include "llvm/Support/raw_ostream.h"

using namespace llvm;

void DWARFCompileUnit::dump(raw_ostream &OS, DIDumpOptions DumpOpts) {

  if (DumpOpts.SummarizeTypes)

    return;

  int OffsetDumpWidth = 2 * dwarf::getDwarfOffsetByteSize(getFormat());

  OS << format("0x%08" PRIx64, getOffset()) << ": Compile Unit:"

     << " length = " << format("0x%0*" PRIx64, OffsetDumpWidth, getLength())

     << ", format = " << dwarf::FormatString(getFormat())

     << ", version = " << format("0x%04x", getVersion());

  if (getVersion() >= 5)

    OS << ", unit_type = " << dwarf::UnitTypeString(getUnitType());

  OS << ", abbr_offset = " << format("0x%04" PRIx64, getAbbrOffset());

  if (!getAbbreviations())

    OS << " (invalid)";

  OS << ", addr_size = " << format("0x%02x", getAddressByteSize());

  if (getVersion() >= 5 && (getUnitType() == dwarf::DW_UT_skeleton ||

                            getUnitType() == dwarf::DW_UT_split_compile))

    OS << ", DWO_id = " << format("0x%016" PRIx64, *getDWOId());

  OS << " (next unit at " << format("0x%08" PRIx64, getNextUnitOffset())

     << ")\n";

  if (DWARFDie CUDie = getUnitDIE(false)) {

    CUDie.dump(OS, 0, DumpOpts);

    if (DumpOpts.DumpNonSkeleton) {

      DWARFDie NonSkeletonCUDie = getNonSkeletonUnitDIE(false);

      if (NonSkeletonCUDie && CUDie != NonSkeletonCUDie)

        NonSkeletonCUDie.dump(OS, 0, DumpOpts);

    }

  } else {

    OS << "<compile unit can't be parsed!>\n\n";

  }

}

// VTable anchor.

DWARFCompileUnit::~DWARFCompileUnit() = default;