make_auto_md_h.cc

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/* Copyright (C) 2000-2012 Stefan Buehler <sbuehler@ltu.se>
 
   This program is free software; you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published by the
   Free Software Foundation; either version 2, or (at your option) any
   later version.
 
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
   USA. */
 
#include "agenda_record.h"
#include "array.h"
#include "arts.h"
#include "debug.h"
#include "file.h"
#include "global_data.h"
#include "methods.h"
#include "workspace.h"
#include "workspace_global_data.h"
#include "workspace_ng.h"
#include <stdexcept>
 
/* Adds commas and indentation to parameter lists. */
void align(ofstream& ofs, bool& is_first_parameter, const String& indent) {
  // Add comma and line break, if not first element:
  if (is_first_parameter)
    is_first_parameter = false;
  else {
    ofs << ",\n";
    // Make proper indentation:
    ofs << indent;
  }
}
 
 
void write_method_header_documentation(ofstream& ofs, const MdRecord& mdd) {
  const Array<WsvRecord>& wsv_data = global_data::wsv_data;
 
  const String& fullname = mdd.Name();
 
  // This is needed to flag the first function parameter, which
  // needs no line break before being written:
  bool is_first_parameter = true;
 
  // The String indent is needed to achieve the correct
  // indentation of the functin parameters:
  String indent("  ");
 
  // Flag to pass the workspace to the WSM. Only true if the WSM has
  // an Agenda as input.
  bool pass_workspace = false;
 
  // There are four lists of parameters that we have to
  // write.
  ArrayOfIndex vo = mdd.Out();            // Output
  const ArrayOfIndex& vi = mdd.InOnly();  // Input
  const ArrayOfIndex& vgo = mdd.GOutType();      // Generic Output
  const ArrayOfIndex& vgi = mdd.GInType();       // Generic Input
  // vo and vi contain handles of workspace variables,
  // vgo and vgi handles of workspace variable groups.
 
  // Find out if the WSM gets an agenda as input. If so, pass
  // the current workspace to this method
  for (Index j = 0; !pass_workspace && j < mdd.In().nelem(); j++) {
    if (is_agenda_group_id(wsv_data[mdd.In()[j]].Group())) {
      pass_workspace = true;
    }
  }
 
  // Find out if the WSM gets an agenda as input. If so, pass
  // the current workspace to this method
  for (Index j = 0; !pass_workspace && j < mdd.GInType().nelem(); j++) {
    if (is_agenda_group_id(mdd.GInType()[j])) {
      pass_workspace = true;
    }
  }
 
  // Start with the name of the one line description
  ofs << "//! WORKSPACE METHOD: " << fullname << ".\n";
 
  ofs << "/*!\n";
 
  String DoxyDescription = mdd.Description();
  size_t start_pos = 0;
 
  while (start_pos != string::npos) {
    start_pos = DoxyDescription.find("\n ", start_pos);
    if (start_pos && start_pos != string::npos &&
        DoxyDescription[start_pos] - 1 != '\n') {
      DoxyDescription.insert(start_pos + 1, "<br>");
      start_pos += 5;
    }
  }
 
  // Some characters have to be masqueraded to appear properly in doxygen
  // documentation
  DoxyDescription.insert_substr("<", "\\");
  DoxyDescription.insert_substr(">", "\\");
 
  ofs << DoxyDescription << "\n";
 
  // Write the authors:
  for (Index j = 0; j < mdd.Authors().nelem(); ++j) {
    ofs << indent << "\\author " << mdd.Authors()[j] << "\n";
  }
 
  ofs << "\n";
 
  if (pass_workspace || mdd.PassWorkspace() || mdd.AgendaMethod()) {
    ofs << indent << "\\param[in,out] "
        << "ws Workspace\n";
  }
 
  // Write the Output workspace variables:
  for (Index j = 0; j < vo.nelem(); ++j) {
    bool inout =
        (std::find(mdd.In().begin(), mdd.In().end(), vo[j]) != mdd.In().end());
 
    if (inout) {
      ofs << indent << "\\param[in,out] " << wsv_data[vo[j]].Name()
          << " WS Input/Output\n";
    } else {
      ofs << indent << "\\param[out] " << wsv_data[vo[j]].Name()
          << " WS Output\n";
    }
  }
 
  // Write the Generic output workspace variables:
  for (Index j = 0; j < vgo.nelem(); ++j) {
    ofs << indent << "\\param[out]    ";
 
    if (mdd.GOut()[j].length())
      ofs << mdd.GOut()[j];
    else
      ofs << "genericoutput" << j + 1;
 
    if (mdd.Supergeneric())
      ofs << " Supergeneric output\n";
    else
      ofs << " Generic output\n";
  }
 
  // Write the Generic output workspace variable names:
  if (mdd.PassWsvNames()) {
    for (Index j = 0; j < vgo.nelem(); ++j) {
      ofs << indent << "\\param[in]     ";
      if (mdd.GOut()[j].length())
        ofs << mdd.GOut()[j] << "_wsvname";
      else
        ofs << "genericoutput" << j + 1 << "_wsvname";
 
      ofs << " Generic Output Name" << endl;
    }
  }
 
  // Write the Input workspace variables:
  for (Index j = 0; j < vi.nelem(); ++j) {
    ofs << indent << "\\param[in]     " << wsv_data[vi[j]].Name()
        << " WS Input\n";
  }
 
  // Write the Generic input workspace variables:
  for (Index j = 0; j < vgi.nelem(); ++j) {
    ofs << indent << "\\param[in]     ";
    if (mdd.GIn()[j] != "")
      ofs << mdd.GIn()[j];
    else
      ofs << "genericinput" << j + 1;
 
    ofs << " Generic Input";
 
    if (mdd.GInDefault()[j] != NODEF) {
      ofs << " (Default: \"" << mdd.GInDefault()[j] << "\")";
    }
    ofs << endl;
  }
 
  // Write the Generic input workspace variable names:
  if (mdd.PassWsvNames()) {
    for (Index j = 0; j < vgi.nelem(); ++j) {
      ofs << indent << "\\param[in]     ";
      if (mdd.GIn()[j].length())
        ofs << mdd.GIn()[j] << "_wsvname";
      else
        ofs << "genericinput" << j + 1 << "_wsvname";
 
      ofs << " Generic Input Name" << endl;
    }
  }
 
  // Write agenda, if there is one:
  if (mdd.AgendaMethod()) {
    align(ofs, is_first_parameter, indent);
    ofs << indent << "\\param[in]     "
        << "input_agenda Agenda from controlfile\n";
  }
 
  ofs << "*/\n";
}
 
 
void write_method_header(ofstream& ofs, const MdRecord& mdd) {
  using global_data::wsv_groups;
  const Array<WsvRecord>& wsv_data = global_data::wsv_data;
 
  //   // Work out the full name to use:
  //   String fullname;
  //   {
  //     ostringstream os;
  //     os << mdd.Name() << add_to_name;
  //     fullname = os.str();
  //   }
 
  const String& fullname = mdd.Name();
 
  // This is needed to flag the first function parameter, which
  // needs no line break before being written:
  bool is_first_parameter = true;
 
  // The String indent is needed to achieve the correct
  // indentation of the functin parameters:
  String indent(fullname.nelem() + 6, ' ');
 
  // Flag to pass the workspace to the WSM. Only true if the WSM has
  // an Agenda as input.
  bool pass_workspace = false;
 
  // There are four lists of parameters that we have to
  // write.
  ArrayOfIndex vo = mdd.Out();            // Output
  const ArrayOfIndex& vi = mdd.InOnly();  // Input
  const ArrayOfIndex& vgo = mdd.GOutType();      // Generic Output
  const ArrayOfIndex& vgi = mdd.GInType();       // Generic Input
  // vo and vi contain handles of workspace variables,
  // vgo and vgi handles of workspace variable groups.
 
  // Find out if the WSM gets an agenda as input. If so, pass
  // the current workspace to this method
  for (Index j = 0; !pass_workspace && j < mdd.In().nelem(); j++) {
    if (is_agenda_group_id(wsv_data[mdd.In()[j]].Group())) {
      pass_workspace = true;
    }
  }
 
  // Find out if the WSM gets an agenda as input. If so, pass
  // the current workspace to this method
  for (Index j = 0; !pass_workspace && j < mdd.GInType().nelem(); j++) {
    if (is_agenda_group_id(mdd.GInType()[j])) {
      pass_workspace = true;
    }
  }
 
  // There used to be a similar block here for the generic
  // input/output variables. However, this was a mistake. For
  // example, if a method has a vector as generic input and a
  // vector as generic output, this does not mean that it is
  // the same vector!
 
  if (mdd.Supergeneric() && mdd.UsesTemplates()) {
    ofs << "template <typename T>" << endl;
  }
 
  // Start with the name of the method:
  ofs << "void " << fullname << "(";
 
  if (pass_workspace || mdd.PassWorkspace() || mdd.AgendaMethod()) {
    ofs << "// Workspace reference:\n";
    ofs << indent << "Workspace& ws";
    is_first_parameter = false;
  }
 
  // Write the Output workspace variables:
  {
    // Flag first parameter of this sort:
    bool is_first_of_these = true;
 
    for (Index j = 0; j < vo.nelem(); ++j) {
      // Add comma and line break, if not first element:
      align(ofs, is_first_parameter, indent);
 
      // Add comment if this is the first of this sort
      if (is_first_of_these) {
        ofs << "// WS Output:\n";
        ofs << indent;
        is_first_of_these = false;
      }
 
      ofs << wsv_groups[global_data::wsv_data[vo[j]].Group()] << "& "
          << global_data::wsv_data[vo[j]].Name();
    }
  }
 
  // Write the Generic output workspace variables:
  {
    // Flag first parameter of this sort:
    bool is_first_of_these = true;
 
    for (Index j = 0; j < vgo.nelem(); ++j) {
      // Add comma and line break, if not first element:
      align(ofs, is_first_parameter, indent);
 
      // Add comment if this is the first of this sort
      if (is_first_of_these) {
        ofs << "// WS Generic Output:\n";
        ofs << indent;
        is_first_of_these = false;
      }
 
      if (wsv_groups[mdd.GOutType()[j]] == "Any")
        ofs << "T& ";
      else
        ofs << wsv_groups[mdd.GOutType()[j]] << "& ";
 
      if (mdd.GOut()[j].length())
        ofs << mdd.GOut()[j];
      else
        ofs << "genericoutput" << j + 1;
    }
  }
 
  // Write the Generic output workspace variable names:
  if (mdd.PassWsvNames()) {
    // Flag first parameter of this sort:
    bool is_first_of_these = true;
 
    for (Index j = 0; j < vgo.nelem(); ++j) {
      // Add comma and line break, if not first element:
      align(ofs, is_first_parameter, indent);
 
      // Add comment if this is the first of this sort
      if (is_first_of_these) {
        ofs << "// WS Generic Output Names:\n";
        ofs << indent;
        is_first_of_these = false;
      }
 
      ofs << "const String& ";
      if (mdd.GOut()[j].length())
        ofs << mdd.GOut()[j] << "_wsvname";
      else
        ofs << "genericoutput" << j + 1 << "_wsvname";
    }
  }
 
  // Write the Input workspace variables:
  {
    // Flag first parameter of this sort.
    bool is_first_of_these = true;
 
    for (Index j = 0; j < vi.nelem(); ++j) {
      // Add comma and line break, if not first element:
      align(ofs, is_first_parameter, indent);
 
      // Add type if this is the first of this sort.
      if (is_first_of_these) {
        ofs << "// WS Input:\n";
        ofs << indent;
        is_first_of_these = false;
      }
 
      ofs << "const " << wsv_groups[global_data::wsv_data[vi[j]].Group()]
          << "& " << global_data::wsv_data[vi[j]].Name();
    }
  }
 
  // Write the Generic input workspace variables:
  {
    // Flag first parameter of this sort.
    bool is_first_of_these = true;
 
    for (Index j = 0; j < vgi.nelem(); ++j) {
      // Add comma and line break, if not first element:
      align(ofs, is_first_parameter, indent);
 
      // Add type if this is the first of this sort.
      if (is_first_of_these) {
        ofs << "// WS Generic Input:\n";
        ofs << indent;
        is_first_of_these = false;
      }
 
      if (wsv_groups[mdd.GInType()[j]] == "Any") {
        ofs << "const T& ";
        if (mdd.GIn()[j].length())
          ofs << mdd.GIn()[j];
        else
          ofs << "genericinput" << j + 1;
      } else {
        ofs << "const " << wsv_groups[mdd.GInType()[j]] << "& ";
        if (mdd.GIn()[j].length())
          ofs << mdd.GIn()[j];
        else
          ofs << "genericinput" << j + 1;
      }
    }
  }
 
  // Write the Generic input workspace variable names:
  if (mdd.PassWsvNames()) {
    // Flag first parameter of this sort:
    bool is_first_of_these = true;
 
    for (Index j = 0; j < vgi.nelem(); ++j) {
      // Add comma and line break, if not first element:
      align(ofs, is_first_parameter, indent);
 
      // Add comment if this is the first of this sort
      if (is_first_of_these) {
        ofs << "// WS Generic Input Names:\n";
        ofs << indent;
        is_first_of_these = false;
      }
 
      ofs << "const String& ";
      if (mdd.GIn()[j].length())
        ofs << mdd.GIn()[j] << "_wsvname";
      else
        ofs << "genericinput" << j + 1 << "_wsvname";
    }
  }
 
  // Write agenda, if there is one:
  if (mdd.AgendaMethod()) {
    align(ofs, is_first_parameter, indent);
    ofs << "// Agenda from controlfile:\n";
    ofs << indent;
    ofs << "const Agenda& input_agenda";
  }
 
  // Flag that is set to false if the WSM has verbosity as an input or
  // output already. Otherwise it's passed as the last parameter.
  bool pass_verbosity = true;
 
  // Find out if the WSM has the verbosity as input.
  for (Index j = 0; pass_verbosity && j < mdd.In().nelem(); j++) {
    if (wsv_data[mdd.In()[j]].Name() == "verbosity") {
      pass_verbosity = false;
    }
  }
 
  // Find out if the WSM has the verbosity as output.
  for (Index j = 0; pass_verbosity && j < mdd.Out().nelem(); j++) {
    if (wsv_data[mdd.Out()[j]].Name() == "verbosity") {
      pass_verbosity = false;
    }
  }
 
  if (pass_verbosity) {
    align(ofs, is_first_parameter, indent);
    ofs << "// Verbosity object:\n";
    ofs << indent;
    ofs << "const Verbosity& verbosity";
  }
 
  ofs << ");\n\n";
}
 
bool md_sanity_checks(const Array<MdRecord>& md_data) {
  ostringstream os;
 
  bool is_sane = true;
  for (auto i = md_data.begin(); i < md_data.end();
       ++i) {
    bool invalid_author = false;
    for (auto j = i->Authors().begin();
         !invalid_author && j < i->Authors().end();
         ++j) {
      if (*j == "" || *j == "unknown") invalid_author = true;
    }
 
    if (invalid_author) {
      os << i->Name() << ": Missing or invalid author.\n";
      is_sane = false;
    }
 
    switch (check_newline(i->Description())) {
      case 1:
        os << i->Name() << ": Empty description.\n";
        is_sane = false;
        break;
      case 2:
        os << i->Name() << ": Missing newline at the end of description.\n";
        is_sane = false;
        break;
      case 3:
        os << i->Name() << ": Extra newline at the end of description.\n";
        is_sane = false;
        break;
    }
  }
 
  if (!is_sane) {
    cerr
        << "Error(s) found in workspace method documentation (check methods.cc):\n"
        << os.str();
  }
 
  return is_sane;
}
 
int main() {
  try {
    // Make the global data visible:
    using global_data::md_data;
    using global_data::md_data_raw;
 
    // Initialize the wsv group name array:
    define_wsv_groups();
 
    // Initialize wsv data.
    define_wsv_data();
 
    // Initialize WsvMap.
    define_wsv_map();
 
    // Initialize method data.
    define_md_data_raw();
 
    // Expand supergeneric methods:
    expand_md_data_raw_to_md_data();
 
    if (!md_sanity_checks(md_data)) return 1;
 
    const Index n_md = md_data.nelem();
 
    // Write auto_md.h:
    // -----------
    ofstream ofs;
    open_output_file(ofs, "auto_md.h");
 
    ofs << "// This file was generated automatically by make_auto_md_h.cc.\n";
    ofs << "// DO NOT EDIT !\n";
    ofs << "// Generated: " << __DATE__ << ", " << __TIME__ << "\n\n";
 
    ofs << "#ifndef auto_md_h\n";
    ofs << "#define auto_md_h\n\n";
 
    ofs << "#include \"matpackI.h\"\n"
        << "#include \"matpackII.h\"\n"
        << "#include \"species_tags.h\"\n"
        << "#include \"artstime.h\"\n"
        << "#include \"gas_abs_lookup.h\"\n"
        << "#include \"gridded_fields.h\"\n"
        << "#include \"linemixing_hitran.h\"\n"
        << "#include \"optproperties.h\"\n"
        << "#include \"jacobian.h\"\n"
        << "#include \"mc_antenna.h\"\n"
        << "#include \"m_general.h\"\n"
        << "#include \"parser.h\"\n"
        << "#include \"workspace_ng.h\"\n"
        << "#include \"cia.h\"\n"
        << "#include \"covariance_matrix.h\"\n"
        << "#include \"propagationmatrix.h\"\n"
        << "#include <predefined/predef_data.h>\n"
        << "#include \"transmissionmatrix.h\"\n"
        << "#include \"sun.h\"\n"
        << "#include \"telsem.h\"\n"
        << "#include \"tessem.h\"\n"
        << "#include \"xsec_fit.h\"\n"
        << "#include \"absorptionlines.h\"\n"
        << "#include \"linemixing.h\"\n"
        << "#include \"callback.h\"\n"
        << "\n";
 
    ofs << "// This is only used for a consistency check. You can get the\n"
        << "// number of WSMs from md_data.nelem().\n"
        << "#define N_MD " << n_md << "\n\n";
 
    // Add all the method function declarations
    ofs << "// Method function declarations:\n\n";
    for (Index i = 0; i < n_md; ++i) {
      const MdRecord& mdd = md_data[i];
      if (!mdd.UsesTemplates()) {
        write_method_header_documentation(ofs, mdd);
        write_method_header(ofs, mdd);
      }
    }
 
    // Add all the method function declarations
    ofs << "// Supergeneric template function declarations:\n\n";
    for (Index i = 0; i < md_data_raw.nelem(); ++i) {
      const MdRecord& mdd = md_data_raw[i];
      if (mdd.Supergeneric() && mdd.UsesTemplates()) {
        write_method_header_documentation(ofs, mdd);
        write_method_header(ofs, mdd);
      }
    }
 
    // Add all the get-away function declarations:
    ofs << "// Get-away function declarations:\n\n";
    for (Index i = 0; i < n_md; ++i) {
      const MdRecord& mdd = md_data[i];
      if (mdd.Supergeneric()) {
        ofs << "void " << mdd.Name() << "_sg_" << mdd.ActualGroups()
            << "_g(Workspace& ws, const MRecord& mr);\n";
      } else {
        ofs << "void " << mdd.Name()
            << "_g(Workspace& ws, const MRecord& mr);\n";
      }
    }
 
    ofs << "\n";
 
    // Create prototypes for the agenda wrappers
 
    // Initialize agenda data.
    define_wsv_map();
    define_agenda_data();
 
    using global_data::agenda_data;
    const Array<WsvRecord>& wsv_data = global_data::wsv_data;
    for (Index i = 0; i < agenda_data.nelem(); i++) {
      auto wsv_ptr = global_data::WsvMap.find(agenda_data[i].Name());
      ARTS_USER_ERROR_IF(wsv_ptr == global_data::WsvMap.end(), "The ",
                         agenda_data[i].Name(), " agenda fails");
      bool is_agenda_array = wsv_data[wsv_ptr->second].Group() ==
                             get_wsv_group_id("ArrayOfAgenda");
      write_agenda_wrapper_header(ofs, agenda_data[i], is_agenda_array);
 
      ofs << ";\n\n";
    }
 
    ofs << "\n#endif  // auto_md_h\n";
 
    // Close auto_md.h.
    ofs.close();
 
  } catch (const std::runtime_error& x) {
    cout << "Something went wrong. Message text:\n";
    cout << x.what() << '\n';
    return 1;
  }
 
  return 0;
}