gcc/graphviz.h

   1 /* Helper code for graphviz output.
   2    Copyright (C) 2019-2020 Free Software Foundation, Inc.
   3    Contributed by David Malcolm <dmalcolm@redhat.com>.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify it
   8 under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 3, or (at your option)
  10 any later version.
  11
  12 GCC is distributed in the hope that it will be useful, but
  13 WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef GCC_GRAPHVIZ_H
  22 #define GCC_GRAPHVIZ_H
  23
  24 #include "pretty-print.h" /* for ATTRIBUTE_GCC_PPDIAG.  */
  25
  26 /* A class for writing .dot output to a pretty_printer with
  27    indentation to show nesting.  */
  28
  29 class graphviz_out {
  30  public:
  31   graphviz_out (pretty_printer *pp);
  32
  33   void print (const char *fmt, ...)
  34     ATTRIBUTE_GCC_PPDIAG(2,3);
  35   void println (const char *fmt, ...)
  36     ATTRIBUTE_GCC_PPDIAG(2,3);
  37
  38   void indent () { m_indent++; }
  39   void outdent () { m_indent--; }
  40
  41   void write_indent ();
  42
  43   void begin_tr ();
  44   void end_tr ();
  45
  46   pretty_printer *get_pp () const { return m_pp; }
  47
  48  private:
  49   pretty_printer *m_pp;
  50   int m_indent;
  51 };
  52
  53 #endif /* GCC_GRAPHVIZ_H */