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      1 /* Helper code for graphviz output.
      2    Copyright (C) 2019-2022 Free Software Foundation, Inc.
      3    Contributed by David Malcolm <dmalcolm (at) 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   void begin_td ();
     47   void end_td ();
     48 
     49   void begin_trtd ();
     50   void end_tdtr ();
     51 
     52   pretty_printer *get_pp () const { return m_pp; }
     53 
     54  private:
     55   pretty_printer *m_pp;
     56   int m_indent;
     57 };
     58 
     59 #endif /* GCC_GRAPHVIZ_H */
     60