projects / bison.git / blame
| Commit | Line | Data |
|---|---|---|
| c0259969 | 1 | /* Output Graphviz specification of a state machine generated by Bison. |
| 35fe0834 | 2 | |
| 7d6bad19 | 3 | Copyright (C) 2006, 2010-2013 Free Software Foundation, Inc. |
| c0259969 AD |
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_ | |
| c0259969 | 24 | |
| a99ec53e | 25 | # include "state.h" |
| 83bae26d | 26 | |
| 1127a75a AD |
27 | /** Begin a Dot graph. |
| 28 | * | |
| 29 | * \param fout output stream. | |
| 30 | */ | |
| 35fe0834 | 31 | void start_graph (FILE *fout); |
| c0259969 | 32 | |
| 1127a75a AD |
33 | /** Output a Dot node. |
| 34 | * | |
| 35 | * \param id identifier of the node | |
| 36 | * \param label human readable label of the node (no Dot escaping needed). | |
| 37 | * \param fout output stream. | |
| 38 | */ | |
| 35fe0834 | 39 | void output_node (int id, char const *label, FILE *fout); |
| c0259969 | 40 | |
| 1127a75a AD |
41 | /** Output a Dot edge. |
| 42 | * \param source id of the source node | |
| 43 | * \param destination id of the target node | |
| 44 | * \param label human readable label of the edge | |
| 45 | * (no Dot escaping needed). Can be 0. | |
| 46 | * \param style Dot style of the edge (e.g., "dotted" or "solid"). | |
| 47 | * \param fout output stream. | |
| 48 | */ | |
| 35fe0834 | 49 | void output_edge (int source, int destination, char const *label, |
| 83bae26d TR |
50 | char const *style, FILE *fout); |
| 51 | ||
| 1127a75a AD |
52 | /** Output a reduction. |
| 53 | * \param s current state | |
| 54 | * \param reds the set of reductions | |
| 55 | * \param fout output stream. | |
| 56 | */ | |
| 83bae26d | 57 | void output_red (state const *s, reductions const *reds, FILE *fout); |
| c0259969 | 58 | |
| 1127a75a AD |
59 | /** End a Dot graph. |
| 60 | * | |
| 61 | * \param fout output stream. | |
| 62 | */ | |
| 35fe0834 | 63 | void finish_graph (FILE *fout); |
| c0259969 | 64 | |
| 1127a75a AD |
65 | /** Escape a lookahead token. |
| 66 | * | |
| 67 | * \param name the token. | |
| 68 | */ | |
| a13121f7 TR |
69 | char const *escape (char const *name); |
| 70 | ||
| c0259969 | 71 | #endif /* ! GRAPHVIZ_H_ */ |