/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying

   file LICENSE.rst or https://cmake.org/licensing for details.  */

#include "cmBinUtilsWindowsPEObjdumpGetRuntimeDependenciesTool.h"

#include <sstream>

#include <vector>

#include <cmsys/RegularExpression.hxx>

#include "cmRuntimeDependencyArchive.h"

#include "cmSystemTools.h"

#include "cmUVProcessChain.h"

#include "cmUVStream.h"

cmBinUtilsWindowsPEObjdumpGetRuntimeDependenciesTool::

  cmBinUtilsWindowsPEObjdumpGetRuntimeDependenciesTool(

    cmRuntimeDependencyArchive* archive)

  : cmBinUtilsWindowsPEGetRuntimeDependenciesTool(archive)

{

}

bool cmBinUtilsWindowsPEObjdumpGetRuntimeDependenciesTool::GetFileInfo(

  std::string const& file, std::vector<std::string>& needed)

{

  cmUVProcessChainBuilder builder;

  builder.SetBuiltinStream(cmUVProcessChainBuilder::Stream_OUTPUT);

  std::vector<std::string> command;

  if (!this->Archive->GetGetRuntimeDependenciesCommand("objdump", command)) {

    this->SetError("Could not find objdump");

    return false;

  }

  command.emplace_back("-p");

  command.push_back(file);

  builder.AddCommand(command);

  auto process = builder.Start();

  if (!process.Valid() || process.GetStatus(0).SpawnResult != 0) {

    std::ostringstream e;

    e << "Failed to start objdump process for:\n  " << file;

    this->SetError(e.str());

    return false;

  }

  std::string line;

  static cmsys::RegularExpression const regex(

    "^[\t ]*DLL Name: ([^\n]*\\.[Dd][Ll][Ll])$");

  cmUVIStream output(process.OutputStream());

  while (cmSystemTools::GetLineFromStream(output, line)) {

    cmsys::RegularExpressionMatch match;

    if (regex.find(line.c_str(), match)) {

      needed.push_back(match.match(1));

    }

  }

  if (!process.Wait()) {

    std::ostringstream e;

    e << "Failed to wait on objdump process for:\n  " << file;

    this->SetError(e.str());

    return false;

  }

  if (process.GetStatus(0).ExitStatus != 0) {

    std::ostringstream e;

    e << "Failed to run objdump on:\n  " << file;

    this->SetError(e.str());

    return false;

  }

  return true;

}