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 
indent()38   void indent () { m_indent++; }
outdent()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 
get_pp()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