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1/* Output Graphviz specification of a state machine generated by Bison.
2
3 Copyright (C) 2006, 2010-2012 Free Software Foundation, Inc.
4
5 This file is part of Bison, the GNU Compiler Compiler.
6
7 This program is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19
20/* Written by Paul Eggert and Satya Kiran Popuri. */
21
22#ifndef GRAPHVIZ_H_
23# define GRAPHVIZ_H_
24
25/// Begin a Dot graph.
26/// \param fout output stream.
27void start_graph (FILE *fout);
28
29/// Output a Dot node.
30/// \param id identifier of the node
31/// \param label human readable label of the node (no Dot escaping needed).
32/// \param fout output stream.
33void output_node (int id, char const *label, FILE *fout);
34
35/// Output a Dot edge.
36/// \param source id of the source node
37/// \param destination id of the target node
38/// \param label human readable label of the edge
39/// (no Dot escaping needed). Can be 0.
40/// \param style Dot style of the edge (e.g., "dotted" or "solid").
41/// \param fout output stream.
42void output_edge (int source, int destination, char const *label,
43 char const *style, FILE *fout);
44
45/// End a Dot graph.
46/// \param fout output stream.
47void finish_graph (FILE *fout);
48
49#endif /* ! GRAPHVIZ_H_ */