graphviz.h

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/* Helper code for graphviz output.
   Copyright (C) 2019-2024 Free Software Foundation, Inc.
   Contributed by David Malcolm <dmalcolm@redhat.com>.
 
This file is part of GCC.
 
GCC 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, or (at your option)
any later version.
 
GCC 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 GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.  */
 
#ifndef GCC_GRAPHVIZ_H
#define GCC_GRAPHVIZ_H
 
#include "pretty-print.h" /* for ATTRIBUTE_GCC_PPDIAG.  */
 
/* A class for writing .dot output to a pretty_printer with
   indentation to show nesting.  */
 
class graphviz_out {
 public:
  graphviz_out (pretty_printer *pp);
 
  void print (const char *fmt, ...)
    ATTRIBUTE_GCC_PPDIAG(2,3);
  void println (const char *fmt, ...)
    ATTRIBUTE_GCC_PPDIAG(2,3);
 
  void indent () { m_indent++; }
  void outdent () { m_indent--; }
 
  void write_indent ();
 
  void begin_tr ();
  void end_tr ();
 
  void begin_td ();
  void end_td ();
 
  void begin_trtd ();
  void end_tdtr ();
 
  pretty_printer *get_pp () const { return m_pp; }
 
 private:
  pretty_printer *m_pp;
  int m_indent;
};
 
#endif /* GCC_GRAPHVIZ_H */