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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 | #include "config.h" | |
22 | #include "system.h" | |
23 | #include "coretypes.h" | |
24 | #include "graphviz.h" | |
25 | ||
26 | /* graphviz_out's ctor, wrapping PP. */ | |
27 | ||
28 | graphviz_out::graphviz_out (pretty_printer *pp) | |
29 | : m_pp (pp), | |
30 | m_indent (0) | |
31 | { | |
32 | } | |
33 | ||
34 | /* Formatted print of FMT. */ | |
35 | ||
36 | void | |
37 | graphviz_out::print (const char *fmt, ...) | |
38 | { | |
39 | text_info text; | |
40 | va_list ap; | |
41 | ||
42 | va_start (ap, fmt); | |
43 | text.err_no = errno; | |
44 | text.args_ptr = ≈ | |
45 | text.format_spec = fmt; | |
46 | pp_format (m_pp, &text); | |
47 | pp_output_formatted_text (m_pp); | |
48 | va_end (ap); | |
49 | } | |
50 | ||
51 | /* Formatted print of FMT. The text is indented by the current | |
52 | indent, and a newline is added. */ | |
53 | ||
54 | void | |
55 | graphviz_out::println (const char *fmt, ...) | |
56 | { | |
57 | text_info text; | |
58 | va_list ap; | |
59 | ||
60 | write_indent (); | |
61 | ||
62 | va_start (ap, fmt); | |
63 | text.err_no = errno; | |
64 | text.args_ptr = ≈ | |
65 | text.format_spec = fmt; | |
66 | pp_format (m_pp, &text); | |
67 | pp_output_formatted_text (m_pp); | |
68 | va_end (ap); | |
69 | ||
70 | pp_newline (m_pp); | |
71 | } | |
72 | ||
73 | /* Print the current indent to the underlying pp. */ | |
74 | ||
75 | void | |
76 | graphviz_out::write_indent () | |
77 | { | |
78 | for (int i = 0; i < m_indent * 2; ++i) | |
79 | pp_space (m_pp); | |
80 | } | |
81 | ||
82 | /* Write the start of an HTML-like row via <TR><TD>, writing to the stream | |
83 | so that followup text can be escaped. */ | |
84 | ||
85 | void | |
86 | graphviz_out::begin_tr () | |
87 | { | |
88 | pp_string (m_pp, "<TR><TD ALIGN=\"LEFT\">"); | |
89 | pp_write_text_to_stream (m_pp); | |
90 | } | |
91 | ||
92 | /* Write the end of an HTML-like row via </TD></TR>, writing to the stream | |
93 | so that followup text can be escaped. */ | |
94 | ||
95 | void | |
96 | graphviz_out::end_tr () | |
97 | { | |
98 | pp_string (m_pp, "</TD></TR>"); | |
99 | pp_write_text_to_stream (m_pp); | |
100 | } |