/* demanguse.c -- libiberty demangler usage

   Copyright (C) 2021-2023 Free Software Foundation, Inc.

   This file is part of GNU Binutils.

   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 3 of the License, 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., 51 Franklin Street - Fifth Floor, Boston, MA

   02110-1301, USA.  */

#include <stdio.h>

#include <string.h>

#include "demangle.h"

#include "demanguse.h"

/* Print the list of demangling styles to STREAM.  A one line MSG is

   printed before the styles.  Output is limited to 80 columns, with

   continuation lines being indented by leading spaces in MSG.  */

void

display_demangler_styles (FILE *stream, const char *msg)

{

  const struct demangler_engine *info = libiberty_demanglers;

  int col;

  int lead_spaces = 0;

  const char *cont = "";

  while (msg[lead_spaces] == ' ')

    ++lead_spaces;

  col = fprintf (stream, "%s", msg);

  while (info->demangling_style_name)

    {

      if (col + strlen (info->demangling_style_name) >= 75)

  {

    fprintf (stream, "%.1s\n", cont);

    col = fprintf (stream, "%.*s", lead_spaces, msg);

    cont = "";

  }

      col += fprintf (stream, "%s\"%s\"", cont, info->demangling_style_name);

      cont = ", ";

      ++info;

    }

  fprintf (stream, "\n");

}