1/* Helper code for graphviz output.
2 Copyright (C) 2019-2023 Free Software Foundation, Inc.
3 Contributed by David Malcolm <dmalcolm@redhat.com>.
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify it
8under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 3, or (at your option)
10any later version.
11
12GCC is distributed in the hope that it will be useful, but
13WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along 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
29class 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

source code of gcc/graphviz.h