1  /* demanguse.c -- libiberty demangler usage
       2     Copyright (C) 2021-2023 Free Software Foundation, Inc.
       3  
       4     This file is part of GNU Binutils.
       5  
       6     This program is free software; you can redistribute it and/or modify
       7     it under the terms of the GNU General Public License as published by
       8     the Free Software Foundation; either version 3 of the License, or
       9     (at your option) any later version.
      10  
      11     This program is distributed in the hope that it will be useful,
      12     but WITHOUT ANY WARRANTY; without even the implied warranty of
      13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14     GNU General Public License for more details.
      15  
      16     You should have received a copy of the GNU General Public License
      17     along with this program; if not, write to the Free Software
      18     Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
      19     02110-1301, USA.  */
      20  
      21  #include <stdio.h>
      22  #include <string.h>
      23  #include "demangle.h"
      24  #include "demanguse.h"
      25  
      26  /* Print the list of demangling styles to STREAM.  A one line MSG is
      27     printed before the styles.  Output is limited to 80 columns, with
      28     continuation lines being indented by leading spaces in MSG.  */
      29  
      30  void
      31  display_demangler_styles (FILE *stream, const char *msg)
      32  {
      33    const struct demangler_engine *info = libiberty_demanglers;
      34    int col;
      35    int lead_spaces = 0;
      36    const char *cont = "";
      37  
      38    while (msg[lead_spaces] == ' ')
      39      ++lead_spaces;
      40    col = fprintf (stream, "%s", msg);
      41    while (info->demangling_style_name)
      42      {
      43        if (col + strlen (info->demangling_style_name) >= 75)
      44  	{
      45  	  fprintf (stream, "%.1s\n", cont);
      46  	  col = fprintf (stream, "%.*s", lead_spaces, msg);
      47  	  cont = "";
      48  	}
      49        col += fprintf (stream, "%s\"%s\"", cont, info->demangling_style_name);
      50        cont = ", ";
      51        ++info;
      52      }
      53    fprintf (stream, "\n");
      54  }