Line data Source code
1 : /* Classes for abstracting ascii vs unicode output.
2 : Copyright (C) 2023-2026 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 under
8 : the terms of the GNU General Public License as published by the Free
9 : Software Foundation; either version 3, or (at your option) any later
10 : version.
11 :
12 : GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 : WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 : FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 : 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 : #define INCLUDE_VECTOR
23 : #include "system.h"
24 : #include "coretypes.h"
25 : #include "pretty-print.h"
26 : #include "selftest.h"
27 : #include "text-art/selftests.h"
28 : #include "text-art/ruler.h"
29 : #include "text-art/theme.h"
30 :
31 : using namespace text_art;
32 :
33 : /* class theme. */
34 :
35 : void
36 280 : theme::paint_y_arrow (canvas &canvas,
37 : int canvas_x,
38 : canvas::range_t y_range,
39 : y_arrow_dir dir,
40 : style::id_t style_id) const
41 : {
42 280 : int canvas_y;
43 280 : int delta_y;
44 280 : const canvas::cell_t head (get_cppchar (dir == y_arrow_dir::UP
45 : ? cell_kind::Y_ARROW_UP_HEAD
46 : : cell_kind::Y_ARROW_DOWN_HEAD),
47 514 : false, style_id);
48 280 : const canvas::cell_t tail (get_cppchar (dir == y_arrow_dir::UP
49 : ? cell_kind::Y_ARROW_UP_TAIL
50 : : cell_kind::Y_ARROW_DOWN_TAIL),
51 514 : false, style_id);
52 280 : if (dir == y_arrow_dir::UP)
53 : {
54 46 : canvas_y = y_range.get_max ();
55 46 : delta_y = -1;
56 : }
57 : else
58 : {
59 : canvas_y = y_range.get_min ();
60 : delta_y = 1;
61 : }
62 1120 : for (int len = y_range.get_size (); len; len--)
63 : {
64 840 : const canvas::cell_t cell = (len > 1) ? tail : head;
65 840 : canvas.paint (canvas::coord_t (canvas_x, canvas_y), cell);
66 840 : canvas_y += delta_y;
67 840 : }
68 280 : }
69 :
70 : /* class ascii_theme : public theme. */
71 :
72 : canvas::cell_t
73 6202 : ascii_theme::get_line_art (directions line_dirs) const
74 : {
75 6202 : if (line_dirs.m_up
76 1515 : && line_dirs.m_down
77 1022 : && !(line_dirs.m_left || line_dirs.m_right))
78 429 : return canvas::cell_t ('|');
79 5773 : if (line_dirs.m_left
80 4632 : && line_dirs.m_right
81 4336 : && !(line_dirs.m_up || line_dirs.m_down))
82 3349 : return canvas::cell_t ('-');
83 2424 : if (line_dirs.m_up
84 1338 : || line_dirs.m_down
85 845 : || line_dirs.m_left
86 845 : || line_dirs.m_right)
87 1579 : return canvas::cell_t ('+');
88 845 : return canvas::cell_t (' ');
89 : }
90 :
91 : cppchar_t
92 19452 : ascii_theme::get_cppchar (enum cell_kind kind) const
93 : {
94 19452 : switch (kind)
95 : {
96 0 : default:
97 0 : gcc_unreachable ();
98 : case cell_kind::X_RULER_LEFT_EDGE:
99 : return '|';
100 : case cell_kind::X_RULER_MIDDLE:
101 : return '~';
102 : case cell_kind::X_RULER_INTERNAL_EDGE:
103 : return '|';
104 : case cell_kind::X_RULER_CONNECTOR_TO_LABEL_BELOW:
105 : case cell_kind::X_RULER_CONNECTOR_TO_LABEL_ABOVE:
106 : return '+';
107 : case cell_kind::X_RULER_RIGHT_EDGE:
108 : return '|';
109 : case cell_kind::X_RULER_VERTICAL_CONNECTOR:
110 : return '|';
111 :
112 : case cell_kind::TEXT_BORDER_HORIZONTAL:
113 : return '-';
114 : case cell_kind::TEXT_BORDER_VERTICAL:
115 : return '|';
116 : case cell_kind::TEXT_BORDER_TOP_LEFT:
117 : case cell_kind::TEXT_BORDER_TOP_RIGHT:
118 : case cell_kind::TEXT_BORDER_BOTTOM_LEFT:
119 : case cell_kind::TEXT_BORDER_BOTTOM_RIGHT:
120 : return '+';
121 :
122 : case cell_kind::Y_ARROW_UP_HEAD: return '^';
123 : case cell_kind::Y_ARROW_DOWN_HEAD: return 'v';
124 :
125 : case cell_kind::Y_ARROW_UP_TAIL:
126 : case cell_kind::Y_ARROW_DOWN_TAIL:
127 : return '|';
128 :
129 : case cell_kind::INTERPROCEDURAL_PUSH_FRAME_LEFT:
130 : return '+';
131 : case cell_kind::INTERPROCEDURAL_PUSH_FRAME_MIDDLE:
132 : return '-';
133 : case cell_kind::INTERPROCEDURAL_PUSH_FRAME_RIGHT:
134 : return '>';
135 : case cell_kind::INTERPROCEDURAL_DEPTH_MARKER:
136 : return '|';
137 : case cell_kind::INTERPROCEDURAL_POP_FRAMES_LEFT:
138 : return '<';
139 : case cell_kind::INTERPROCEDURAL_POP_FRAMES_MIDDLE:
140 : return '-';
141 : case cell_kind::INTERPROCEDURAL_POP_FRAMES_RIGHT:
142 : return '+';
143 :
144 : case cell_kind::CFG_RIGHT:
145 : return '-';
146 : case cell_kind::CFG_FROM_RIGHT_TO_DOWN:
147 : return '+';
148 : case cell_kind::CFG_DOWN:
149 : return '|';
150 : case cell_kind::CFG_FROM_DOWN_TO_LEFT:
151 : return '+';
152 : case cell_kind::CFG_LEFT:
153 : return '-';
154 : case cell_kind::CFG_FROM_LEFT_TO_DOWN:
155 : return '+';
156 : case cell_kind::CFG_FROM_DOWN_TO_RIGHT:
157 : return '+';
158 :
159 : case cell_kind::TREE_CHILD_NON_FINAL:
160 : return '+';
161 : case cell_kind::TREE_CHILD_FINAL:
162 : return '`';
163 : case cell_kind::TREE_X_CONNECTOR:
164 : return '-';
165 : case cell_kind::TREE_Y_CONNECTOR:
166 : return '|';
167 : }
168 : }
169 :
170 : /* class unicode_theme : public theme. */
171 :
172 : canvas::cell_t
173 16538 : unicode_theme::get_line_art (directions line_dirs) const
174 : {
175 16538 : return canvas::cell_t (get_box_drawing_char (line_dirs));
176 : }
177 :
178 : cppchar_t
179 9353 : unicode_theme::get_cppchar (enum cell_kind kind) const
180 : {
181 9353 : switch (kind)
182 : {
183 0 : default:
184 0 : gcc_unreachable ();
185 : case cell_kind::X_RULER_LEFT_EDGE:
186 : return 0x251C; /* "├": U+251C: BOX DRAWINGS LIGHT VERTICAL AND RIGHT */
187 : case cell_kind::X_RULER_MIDDLE:
188 : return 0x2500; /* "─": U+2500: BOX DRAWINGS LIGHT HORIZONTAL */
189 : case cell_kind::X_RULER_INTERNAL_EDGE:
190 : return 0x253C; /* "┼": U+253C: BOX DRAWINGS LIGHT VERTICAL AND HORIZONTAL */
191 : case cell_kind::X_RULER_CONNECTOR_TO_LABEL_BELOW:
192 : return 0x252C; /* "┬": U+252C: BOX DRAWINGS LIGHT DOWN AND HORIZONTAL */
193 : case cell_kind::X_RULER_CONNECTOR_TO_LABEL_ABOVE:
194 : return 0x2534; /* "┴": U+2534: BOX DRAWINGS LIGHT UP AND HORIZONTAL */
195 : case cell_kind::X_RULER_RIGHT_EDGE:
196 : return 0x2524; /* "┤": U+2524: BOX DRAWINGS LIGHT VERTICAL AND LEFT */
197 : case cell_kind::X_RULER_VERTICAL_CONNECTOR:
198 : return 0x2502; /* "│": U+2502: BOX DRAWINGS LIGHT VERTICAL */
199 :
200 : case cell_kind::TEXT_BORDER_HORIZONTAL:
201 : return 0x2500; /* "─": U+2500: BOX DRAWINGS LIGHT HORIZONTAL */
202 : case cell_kind::TEXT_BORDER_VERTICAL:
203 : return 0x2502; /* "│": U+2502: BOX DRAWINGS LIGHT VERTICAL */
204 :
205 : /* Round corners. */
206 : case cell_kind::TEXT_BORDER_TOP_LEFT:
207 : return 0x256D; /* "╭": U+256D BOX DRAWINGS LIGHT ARC DOWN AND RIGHT. */
208 : case cell_kind::TEXT_BORDER_TOP_RIGHT:
209 : return 0x256E; /* "╮": U+256E BOX DRAWINGS LIGHT ARC DOWN AND LEFT. */
210 : case cell_kind::TEXT_BORDER_BOTTOM_LEFT:
211 : return 0x2570; /* "╰": U+2570 BOX DRAWINGS LIGHT ARC UP AND RIGHT. */
212 : case cell_kind::TEXT_BORDER_BOTTOM_RIGHT:
213 : return 0x256F; /* "╯": U+256F BOX DRAWINGS LIGHT ARC UP AND LEFT. */
214 :
215 : case cell_kind::Y_ARROW_UP_HEAD:
216 : return '^';
217 : case cell_kind::Y_ARROW_DOWN_HEAD:
218 : return 'v';
219 : case cell_kind::Y_ARROW_UP_TAIL:
220 : case cell_kind::Y_ARROW_DOWN_TAIL:
221 : return 0x2502; /* "│": U+2502: BOX DRAWINGS LIGHT VERTICAL */
222 :
223 : case cell_kind::INTERPROCEDURAL_PUSH_FRAME_LEFT:
224 : return 0x2514; /* "└": U+2514: BOX DRAWINGS LIGHT UP AND RIGHT */
225 : case cell_kind::INTERPROCEDURAL_PUSH_FRAME_MIDDLE:
226 : return 0x2500; /* "─": U+2500: BOX DRAWINGS LIGHT HORIZONTAL */
227 : case cell_kind::INTERPROCEDURAL_PUSH_FRAME_RIGHT:
228 : return '>';
229 : case cell_kind::INTERPROCEDURAL_DEPTH_MARKER:
230 : return 0x2502; /* "│": U+2502: BOX DRAWINGS LIGHT VERTICAL */
231 : case cell_kind::INTERPROCEDURAL_POP_FRAMES_LEFT:
232 : return '<';
233 : case cell_kind::INTERPROCEDURAL_POP_FRAMES_MIDDLE:
234 : return 0x2500; /* "─": U+2500: BOX DRAWINGS LIGHT HORIZONTAL */
235 : case cell_kind::INTERPROCEDURAL_POP_FRAMES_RIGHT:
236 : return 0x2518; /* "┘": U+2518: BOX DRAWINGS LIGHT UP AND LEFT. */
237 :
238 : case cell_kind::CFG_RIGHT:
239 : return 0x2500; /* "─": U+2500: BOX DRAWINGS LIGHT HORIZONTAL */
240 : case cell_kind::CFG_FROM_RIGHT_TO_DOWN:
241 : return 0x2510; /* "┐": U+2510: BOX DRAWINGS LIGHT DOWN AND LEFT */
242 : case cell_kind::CFG_DOWN:
243 : return 0x2502; /* "│": U+2502: BOX DRAWINGS LIGHT VERTICAL */
244 : case cell_kind::CFG_FROM_DOWN_TO_LEFT:
245 : return 0x2518; /* "┘": U+2518: BOX DRAWINGS LIGHT UP AND LEFT. */
246 : case cell_kind::CFG_LEFT:
247 : return 0x2500; /* "─": U+2500: BOX DRAWINGS LIGHT HORIZONTAL */
248 : case cell_kind::CFG_FROM_LEFT_TO_DOWN:
249 : return 0x250c; /* "┌" U+250C: BOX DRAWINGS LIGHT DOWN AND RIGHT */
250 : case cell_kind::CFG_FROM_DOWN_TO_RIGHT:
251 : return 0x2514; /* "└": U+2514: BOX DRAWINGS LIGHT UP AND RIGHT */
252 :
253 : case cell_kind::TREE_CHILD_NON_FINAL:
254 : return 0x251C; /* "├": U+251C: BOX DRAWINGS LIGHT VERTICAL AND RIGHT */
255 : case cell_kind::TREE_CHILD_FINAL:
256 : return 0x2570; /* "╰": U+2570 BOX DRAWINGS LIGHT ARC UP AND RIGHT. */
257 : case cell_kind::TREE_X_CONNECTOR:
258 : return 0x2500; /* "─": U+2500: BOX DRAWINGS LIGHT HORIZONTAL */
259 : case cell_kind::TREE_Y_CONNECTOR:
260 : return 0x2502; /* "│": U+2502: BOX DRAWINGS LIGHT VERTICAL */
261 : }
262 : }
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