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b6fe0bb8 | 1 | /* Various declarations for language-independent pretty-print subroutines. |
a5544970 | 2 | Copyright (C) 2003-2019 Free Software Foundation, Inc. |
b6fe0bb8 GDR |
3 | Contributed by Gabriel Dos Reis <gdr@integrable-solutions.net> |
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 | |
9dcd6f09 | 9 | Software Foundation; either version 3, or (at your option) any later |
b6fe0bb8 GDR |
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 | |
9dcd6f09 NC |
18 | along with GCC; see the file COPYING3. If not see |
19 | <http://www.gnu.org/licenses/>. */ | |
b6fe0bb8 GDR |
20 | |
21 | #include "config.h" | |
b6fe0bb8 GDR |
22 | #include "system.h" |
23 | #include "coretypes.h" | |
a668adb2 | 24 | #include "intl.h" |
b6fe0bb8 | 25 | #include "pretty-print.h" |
4b84d650 | 26 | #include "diagnostic-color.h" |
4ccab56d | 27 | #include "selftest.h" |
a3af5087 JM |
28 | |
29 | #if HAVE_ICONV | |
30 | #include <iconv.h> | |
31 | #endif | |
b6fe0bb8 | 32 | |
db0d1bae LH |
33 | #ifdef __MINGW32__ |
34 | ||
35 | /* Replacement for fputs() that handles ANSI escape codes on Windows NT. | |
36 | Contributed by: Liu Hao (lh_mouse at 126 dot com) | |
37 | ||
38 | XXX: This file is compiled into libcommon.a that will be self-contained. | |
39 | It looks like that these functions can be put nowhere else. */ | |
40 | ||
41 | #include <io.h> | |
42 | #define WIN32_LEAN_AND_MEAN 1 | |
43 | #include <windows.h> | |
44 | ||
45 | /* Write all bytes in [s,s+n) into the specified stream. | |
46 | Errors are ignored. */ | |
47 | static void | |
48 | write_all (HANDLE h, const char *s, size_t n) | |
49 | { | |
50 | size_t rem = n; | |
51 | DWORD step; | |
52 | ||
53 | while (rem != 0) | |
54 | { | |
55 | if (rem <= UINT_MAX) | |
56 | step = rem; | |
57 | else | |
58 | step = UINT_MAX; | |
59 | if (!WriteFile (h, s + n - rem, step, &step, NULL)) | |
60 | break; | |
61 | rem -= step; | |
62 | } | |
63 | } | |
64 | ||
65 | /* Find the beginning of an escape sequence. | |
66 | There are two cases: | |
67 | 1. If the sequence begins with an ESC character (0x1B) and a second | |
68 | character X in [0x40,0x5F], returns X and stores a pointer to | |
69 | the third character into *head. | |
70 | 2. If the sequence begins with a character X in [0x80,0x9F], returns | |
71 | (X-0x40) and stores a pointer to the second character into *head. | |
72 | Stores the number of ESC character(s) in *prefix_len. | |
73 | Returns 0 if no such sequence can be found. */ | |
74 | static int | |
75 | find_esc_head (int *prefix_len, const char **head, const char *str) | |
76 | { | |
77 | int c; | |
78 | const char *r = str; | |
79 | int escaped = 0; | |
80 | ||
81 | for (;;) | |
82 | { | |
83 | c = (unsigned char) *r; | |
84 | if (c == 0) | |
85 | { | |
86 | /* Not found. */ | |
87 | return 0; | |
88 | } | |
89 | if (escaped && 0x40 <= c && c <= 0x5F) | |
90 | { | |
91 | /* Found (case 1). */ | |
92 | *prefix_len = 2; | |
93 | *head = r + 1; | |
94 | return c; | |
95 | } | |
96 | if (0x80 <= c && c <= 0x9F) | |
97 | { | |
98 | /* Found (case 2). */ | |
99 | *prefix_len = 1; | |
100 | *head = r + 1; | |
101 | return c - 0x40; | |
102 | } | |
103 | ++r; | |
104 | escaped = c == 0x1B; | |
105 | } | |
106 | } | |
107 | ||
108 | /* Find the terminator of an escape sequence. | |
109 | str should be the value stored in *head by a previous successful | |
110 | call to find_esc_head(). | |
111 | Returns 0 if no such sequence can be found. */ | |
112 | static int | |
113 | find_esc_terminator (const char **term, const char *str) | |
114 | { | |
115 | int c; | |
116 | const char *r = str; | |
117 | ||
118 | for (;;) | |
119 | { | |
120 | c = (unsigned char) *r; | |
121 | if (c == 0) | |
122 | { | |
123 | /* Not found. */ | |
124 | return 0; | |
125 | } | |
126 | if (0x40 <= c && c <= 0x7E) | |
127 | { | |
128 | /* Found. */ | |
129 | *term = r; | |
130 | return c; | |
131 | } | |
132 | ++r; | |
133 | } | |
134 | } | |
135 | ||
136 | /* Handle a sequence of codes. Sequences that are invalid, reserved, | |
137 | unrecognized or unimplemented are ignored silently. | |
138 | There isn't much we can do because of lameness of Windows consoles. */ | |
139 | static void | |
140 | eat_esc_sequence (HANDLE h, int esc_code, | |
141 | const char *esc_head, const char *esc_term) | |
142 | { | |
143 | /* Numbers in an escape sequence cannot be negative, because | |
144 | a minus sign in the middle of it would have terminated it. */ | |
145 | long n1, n2; | |
146 | char *eptr, *delim; | |
147 | CONSOLE_SCREEN_BUFFER_INFO sb; | |
148 | COORD cr; | |
149 | /* ED and EL parameters. */ | |
150 | DWORD cnt, step; | |
151 | long rows; | |
152 | /* SGR parameters. */ | |
153 | WORD attrib_add, attrib_rm; | |
154 | const char *param; | |
155 | ||
156 | switch (MAKEWORD (esc_code, *esc_term)) | |
157 | { | |
158 | /* ESC [ n1 'A' | |
159 | Move the cursor up by n1 characters. */ | |
160 | case MAKEWORD ('[', 'A'): | |
161 | if (esc_head == esc_term) | |
162 | n1 = 1; | |
163 | else | |
164 | { | |
165 | n1 = strtol (esc_head, &eptr, 10); | |
166 | if (eptr != esc_term) | |
167 | break; | |
168 | } | |
169 | ||
170 | if (GetConsoleScreenBufferInfo (h, &sb)) | |
171 | { | |
172 | cr = sb.dwCursorPosition; | |
173 | /* Stop at the topmost boundary. */ | |
174 | if (cr.Y > n1) | |
175 | cr.Y -= n1; | |
176 | else | |
177 | cr.Y = 0; | |
178 | SetConsoleCursorPosition (h, cr); | |
179 | } | |
180 | break; | |
181 | ||
182 | /* ESC [ n1 'B' | |
183 | Move the cursor down by n1 characters. */ | |
184 | case MAKEWORD ('[', 'B'): | |
185 | if (esc_head == esc_term) | |
186 | n1 = 1; | |
187 | else | |
188 | { | |
189 | n1 = strtol (esc_head, &eptr, 10); | |
190 | if (eptr != esc_term) | |
191 | break; | |
192 | } | |
193 | ||
194 | if (GetConsoleScreenBufferInfo (h, &sb)) | |
195 | { | |
196 | cr = sb.dwCursorPosition; | |
197 | /* Stop at the bottommost boundary. */ | |
198 | if (sb.dwSize.Y - cr.Y > n1) | |
199 | cr.Y += n1; | |
200 | else | |
201 | cr.Y = sb.dwSize.Y; | |
202 | SetConsoleCursorPosition (h, cr); | |
203 | } | |
204 | break; | |
205 | ||
206 | /* ESC [ n1 'C' | |
207 | Move the cursor right by n1 characters. */ | |
208 | case MAKEWORD ('[', 'C'): | |
209 | if (esc_head == esc_term) | |
210 | n1 = 1; | |
211 | else | |
212 | { | |
213 | n1 = strtol (esc_head, &eptr, 10); | |
214 | if (eptr != esc_term) | |
215 | break; | |
216 | } | |
217 | ||
218 | if (GetConsoleScreenBufferInfo (h, &sb)) | |
219 | { | |
220 | cr = sb.dwCursorPosition; | |
221 | /* Stop at the rightmost boundary. */ | |
222 | if (sb.dwSize.X - cr.X > n1) | |
223 | cr.X += n1; | |
224 | else | |
225 | cr.X = sb.dwSize.X; | |
226 | SetConsoleCursorPosition (h, cr); | |
227 | } | |
228 | break; | |
229 | ||
230 | /* ESC [ n1 'D' | |
231 | Move the cursor left by n1 characters. */ | |
232 | case MAKEWORD ('[', 'D'): | |
233 | if (esc_head == esc_term) | |
234 | n1 = 1; | |
235 | else | |
236 | { | |
237 | n1 = strtol (esc_head, &eptr, 10); | |
238 | if (eptr != esc_term) | |
239 | break; | |
240 | } | |
241 | ||
242 | if (GetConsoleScreenBufferInfo (h, &sb)) | |
243 | { | |
244 | cr = sb.dwCursorPosition; | |
245 | /* Stop at the leftmost boundary. */ | |
246 | if (cr.X > n1) | |
247 | cr.X -= n1; | |
248 | else | |
249 | cr.X = 0; | |
250 | SetConsoleCursorPosition (h, cr); | |
251 | } | |
252 | break; | |
253 | ||
254 | /* ESC [ n1 'E' | |
255 | Move the cursor to the beginning of the n1-th line downwards. */ | |
256 | case MAKEWORD ('[', 'E'): | |
257 | if (esc_head == esc_term) | |
258 | n1 = 1; | |
259 | else | |
260 | { | |
261 | n1 = strtol (esc_head, &eptr, 10); | |
262 | if (eptr != esc_term) | |
263 | break; | |
264 | } | |
265 | ||
266 | if (GetConsoleScreenBufferInfo (h, &sb)) | |
267 | { | |
268 | cr = sb.dwCursorPosition; | |
269 | cr.X = 0; | |
270 | /* Stop at the bottommost boundary. */ | |
271 | if (sb.dwSize.Y - cr.Y > n1) | |
272 | cr.Y += n1; | |
273 | else | |
274 | cr.Y = sb.dwSize.Y; | |
275 | SetConsoleCursorPosition (h, cr); | |
276 | } | |
277 | break; | |
278 | ||
279 | /* ESC [ n1 'F' | |
280 | Move the cursor to the beginning of the n1-th line upwards. */ | |
281 | case MAKEWORD ('[', 'F'): | |
282 | if (esc_head == esc_term) | |
283 | n1 = 1; | |
284 | else | |
285 | { | |
286 | n1 = strtol (esc_head, &eptr, 10); | |
287 | if (eptr != esc_term) | |
288 | break; | |
289 | } | |
290 | ||
291 | if (GetConsoleScreenBufferInfo (h, &sb)) | |
292 | { | |
293 | cr = sb.dwCursorPosition; | |
294 | cr.X = 0; | |
295 | /* Stop at the topmost boundary. */ | |
296 | if (cr.Y > n1) | |
297 | cr.Y -= n1; | |
298 | else | |
299 | cr.Y = 0; | |
300 | SetConsoleCursorPosition (h, cr); | |
301 | } | |
302 | break; | |
303 | ||
304 | /* ESC [ n1 'G' | |
305 | Move the cursor to the (1-based) n1-th column. */ | |
306 | case MAKEWORD ('[', 'G'): | |
307 | if (esc_head == esc_term) | |
308 | n1 = 1; | |
309 | else | |
310 | { | |
311 | n1 = strtol (esc_head, &eptr, 10); | |
312 | if (eptr != esc_term) | |
313 | break; | |
314 | } | |
315 | ||
316 | if (GetConsoleScreenBufferInfo (h, &sb)) | |
317 | { | |
318 | cr = sb.dwCursorPosition; | |
319 | n1 -= 1; | |
320 | /* Stop at the leftmost or rightmost boundary. */ | |
321 | if (n1 < 0) | |
322 | cr.X = 0; | |
323 | else if (n1 > sb.dwSize.X) | |
324 | cr.X = sb.dwSize.X; | |
325 | else | |
326 | cr.X = n1; | |
327 | SetConsoleCursorPosition (h, cr); | |
328 | } | |
329 | break; | |
330 | ||
331 | /* ESC [ n1 ';' n2 'H' | |
332 | ESC [ n1 ';' n2 'f' | |
333 | Move the cursor to the (1-based) n1-th row and | |
334 | (also 1-based) n2-th column. */ | |
335 | case MAKEWORD ('[', 'H'): | |
336 | case MAKEWORD ('[', 'f'): | |
337 | if (esc_head == esc_term) | |
338 | { | |
339 | /* Both parameters are omitted and set to 1 by default. */ | |
340 | n1 = 1; | |
341 | n2 = 1; | |
342 | } | |
343 | else if (!(delim = (char *) memchr (esc_head, ';', | |
344 | esc_term - esc_head))) | |
345 | { | |
346 | /* Only the first parameter is given. The second one is | |
347 | set to 1 by default. */ | |
348 | n1 = strtol (esc_head, &eptr, 10); | |
349 | if (eptr != esc_term) | |
350 | break; | |
351 | n2 = 1; | |
352 | } | |
353 | else | |
354 | { | |
355 | /* Both parameters are given. The first one shall be | |
356 | terminated by the semicolon. */ | |
357 | n1 = strtol (esc_head, &eptr, 10); | |
358 | if (eptr != delim) | |
359 | break; | |
360 | n2 = strtol (delim + 1, &eptr, 10); | |
361 | if (eptr != esc_term) | |
362 | break; | |
363 | } | |
364 | ||
365 | if (GetConsoleScreenBufferInfo (h, &sb)) | |
366 | { | |
367 | cr = sb.dwCursorPosition; | |
368 | n1 -= 1; | |
369 | n2 -= 1; | |
370 | /* The cursor position shall be relative to the view coord of | |
371 | the console window, which is usually smaller than the actual | |
372 | buffer. FWIW, the 'appropriate' solution will be shrinking | |
373 | the buffer to match the size of the console window, | |
374 | destroying scrollback in the process. */ | |
375 | n1 += sb.srWindow.Top; | |
376 | n2 += sb.srWindow.Left; | |
377 | /* Stop at the topmost or bottommost boundary. */ | |
378 | if (n1 < 0) | |
379 | cr.Y = 0; | |
380 | else if (n1 > sb.dwSize.Y) | |
381 | cr.Y = sb.dwSize.Y; | |
382 | else | |
383 | cr.Y = n1; | |
384 | /* Stop at the leftmost or rightmost boundary. */ | |
385 | if (n2 < 0) | |
386 | cr.X = 0; | |
387 | else if (n2 > sb.dwSize.X) | |
388 | cr.X = sb.dwSize.X; | |
389 | else | |
390 | cr.X = n2; | |
391 | SetConsoleCursorPosition (h, cr); | |
392 | } | |
393 | break; | |
394 | ||
395 | /* ESC [ n1 'J' | |
396 | Erase display. */ | |
397 | case MAKEWORD ('[', 'J'): | |
398 | if (esc_head == esc_term) | |
399 | /* This is one of the very few codes whose parameters have | |
400 | a default value of zero. */ | |
401 | n1 = 0; | |
402 | else | |
403 | { | |
404 | n1 = strtol (esc_head, &eptr, 10); | |
405 | if (eptr != esc_term) | |
406 | break; | |
407 | } | |
408 | ||
409 | if (GetConsoleScreenBufferInfo (h, &sb)) | |
410 | { | |
411 | /* The cursor is not necessarily in the console window, which | |
412 | makes the behavior of this code harder to define. */ | |
413 | switch (n1) | |
414 | { | |
415 | case 0: | |
416 | /* If the cursor is in or above the window, erase from | |
417 | it to the bottom of the window; otherwise, do nothing. */ | |
418 | cr = sb.dwCursorPosition; | |
419 | cnt = sb.dwSize.X - sb.dwCursorPosition.X; | |
420 | rows = sb.srWindow.Bottom - sb.dwCursorPosition.Y; | |
421 | break; | |
422 | case 1: | |
423 | /* If the cursor is in or under the window, erase from | |
424 | it to the top of the window; otherwise, do nothing. */ | |
425 | cr.X = 0; | |
426 | cr.Y = sb.srWindow.Top; | |
427 | cnt = sb.dwCursorPosition.X + 1; | |
428 | rows = sb.dwCursorPosition.Y - sb.srWindow.Top; | |
429 | break; | |
430 | case 2: | |
431 | /* Erase the entire window. */ | |
432 | cr.X = sb.srWindow.Left; | |
433 | cr.Y = sb.srWindow.Top; | |
434 | cnt = 0; | |
435 | rows = sb.srWindow.Bottom - sb.srWindow.Top + 1; | |
436 | break; | |
437 | default: | |
438 | /* Erase the entire buffer. */ | |
439 | cr.X = 0; | |
440 | cr.Y = 0; | |
441 | cnt = 0; | |
442 | rows = sb.dwSize.Y; | |
443 | break; | |
444 | } | |
445 | if (rows < 0) | |
446 | break; | |
447 | cnt += rows * sb.dwSize.X; | |
448 | FillConsoleOutputCharacterW (h, L' ', cnt, cr, &step); | |
449 | FillConsoleOutputAttribute (h, sb.wAttributes, cnt, cr, &step); | |
450 | } | |
451 | break; | |
452 | ||
453 | /* ESC [ n1 'K' | |
454 | Erase line. */ | |
455 | case MAKEWORD ('[', 'K'): | |
456 | if (esc_head == esc_term) | |
457 | /* This is one of the very few codes whose parameters have | |
458 | a default value of zero. */ | |
459 | n1 = 0; | |
460 | else | |
461 | { | |
462 | n1 = strtol (esc_head, &eptr, 10); | |
463 | if (eptr != esc_term) | |
464 | break; | |
465 | } | |
466 | ||
467 | if (GetConsoleScreenBufferInfo (h, &sb)) | |
468 | { | |
469 | switch (n1) | |
470 | { | |
471 | case 0: | |
472 | /* Erase from the cursor to the end. */ | |
473 | cr = sb.dwCursorPosition; | |
474 | cnt = sb.dwSize.X - sb.dwCursorPosition.X; | |
475 | break; | |
476 | case 1: | |
477 | /* Erase from the cursor to the beginning. */ | |
478 | cr = sb.dwCursorPosition; | |
479 | cr.X = 0; | |
480 | cnt = sb.dwCursorPosition.X + 1; | |
481 | break; | |
482 | default: | |
483 | /* Erase the entire line. */ | |
484 | cr = sb.dwCursorPosition; | |
485 | cr.X = 0; | |
486 | cnt = sb.dwSize.X; | |
487 | break; | |
488 | } | |
489 | FillConsoleOutputCharacterW (h, L' ', cnt, cr, &step); | |
490 | FillConsoleOutputAttribute (h, sb.wAttributes, cnt, cr, &step); | |
491 | } | |
492 | break; | |
493 | ||
494 | /* ESC [ n1 ';' n2 'm' | |
495 | Set SGR parameters. Zero or more parameters will follow. */ | |
496 | case MAKEWORD ('[', 'm'): | |
497 | attrib_add = 0; | |
498 | attrib_rm = 0; | |
499 | if (esc_head == esc_term) | |
500 | { | |
501 | /* When no parameter is given, reset the console. */ | |
502 | attrib_add |= (FOREGROUND_RED | FOREGROUND_GREEN | |
503 | | FOREGROUND_BLUE); | |
504 | attrib_rm = -1; /* Removes everything. */ | |
505 | goto sgr_set_it; | |
506 | } | |
507 | param = esc_head; | |
508 | do | |
509 | { | |
510 | /* Parse a parameter. */ | |
511 | n1 = strtol (param, &eptr, 10); | |
512 | if (*eptr != ';' && eptr != esc_term) | |
513 | goto sgr_set_it; | |
514 | ||
515 | switch (n1) | |
516 | { | |
517 | case 0: | |
518 | /* Reset. */ | |
519 | attrib_add |= (FOREGROUND_RED | FOREGROUND_GREEN | |
520 | | FOREGROUND_BLUE); | |
521 | attrib_rm = -1; /* Removes everything. */ | |
522 | break; | |
523 | case 1: | |
524 | /* Bold. */ | |
525 | attrib_add |= FOREGROUND_INTENSITY; | |
526 | break; | |
527 | case 4: | |
528 | /* Underline. */ | |
529 | attrib_add |= COMMON_LVB_UNDERSCORE; | |
530 | break; | |
531 | case 5: | |
532 | /* Blink. */ | |
533 | /* XXX: It is not BLINKING at all! */ | |
534 | attrib_add |= BACKGROUND_INTENSITY; | |
535 | break; | |
536 | case 7: | |
537 | /* Reverse. */ | |
538 | attrib_add |= COMMON_LVB_REVERSE_VIDEO; | |
539 | break; | |
540 | case 22: | |
541 | /* No bold. */ | |
542 | attrib_add &= ~FOREGROUND_INTENSITY; | |
543 | attrib_rm |= FOREGROUND_INTENSITY; | |
544 | break; | |
545 | case 24: | |
546 | /* No underline. */ | |
547 | attrib_add &= ~COMMON_LVB_UNDERSCORE; | |
548 | attrib_rm |= COMMON_LVB_UNDERSCORE; | |
549 | break; | |
550 | case 25: | |
551 | /* No blink. */ | |
552 | /* XXX: It is not BLINKING at all! */ | |
553 | attrib_add &= ~BACKGROUND_INTENSITY; | |
554 | attrib_rm |= BACKGROUND_INTENSITY; | |
555 | break; | |
556 | case 27: | |
557 | /* No reverse. */ | |
558 | attrib_add &= ~COMMON_LVB_REVERSE_VIDEO; | |
559 | attrib_rm |= COMMON_LVB_REVERSE_VIDEO; | |
560 | break; | |
561 | case 30: | |
562 | case 31: | |
563 | case 32: | |
564 | case 33: | |
565 | case 34: | |
566 | case 35: | |
567 | case 36: | |
568 | case 37: | |
569 | /* Foreground color. */ | |
570 | attrib_add &= ~(FOREGROUND_RED | FOREGROUND_GREEN | |
571 | | FOREGROUND_BLUE); | |
572 | n1 -= 30; | |
573 | if (n1 & 1) | |
574 | attrib_add |= FOREGROUND_RED; | |
575 | if (n1 & 2) | |
576 | attrib_add |= FOREGROUND_GREEN; | |
577 | if (n1 & 4) | |
578 | attrib_add |= FOREGROUND_BLUE; | |
579 | attrib_rm |= (FOREGROUND_RED | FOREGROUND_GREEN | |
580 | | FOREGROUND_BLUE); | |
581 | break; | |
582 | case 38: | |
583 | /* Reserved for extended foreground color. | |
584 | Don't know how to handle parameters remaining. | |
585 | Bail out. */ | |
586 | goto sgr_set_it; | |
587 | case 39: | |
588 | /* Reset foreground color. */ | |
589 | /* Set to grey. */ | |
590 | attrib_add |= (FOREGROUND_RED | FOREGROUND_GREEN | |
591 | | FOREGROUND_BLUE); | |
592 | attrib_rm |= (FOREGROUND_RED | FOREGROUND_GREEN | |
593 | | FOREGROUND_BLUE); | |
594 | break; | |
595 | case 40: | |
596 | case 41: | |
597 | case 42: | |
598 | case 43: | |
599 | case 44: | |
600 | case 45: | |
601 | case 46: | |
602 | case 47: | |
603 | /* Background color. */ | |
604 | attrib_add &= ~(BACKGROUND_RED | BACKGROUND_GREEN | |
605 | | BACKGROUND_BLUE); | |
606 | n1 -= 40; | |
607 | if (n1 & 1) | |
608 | attrib_add |= BACKGROUND_RED; | |
609 | if (n1 & 2) | |
610 | attrib_add |= BACKGROUND_GREEN; | |
611 | if (n1 & 4) | |
612 | attrib_add |= BACKGROUND_BLUE; | |
613 | attrib_rm |= (BACKGROUND_RED | BACKGROUND_GREEN | |
614 | | BACKGROUND_BLUE); | |
615 | break; | |
616 | case 48: | |
617 | /* Reserved for extended background color. | |
618 | Don't know how to handle parameters remaining. | |
619 | Bail out. */ | |
620 | goto sgr_set_it; | |
621 | case 49: | |
622 | /* Reset background color. */ | |
623 | /* Set to black. */ | |
624 | attrib_add &= ~(BACKGROUND_RED | BACKGROUND_GREEN | |
625 | | BACKGROUND_BLUE); | |
626 | attrib_rm |= (BACKGROUND_RED | BACKGROUND_GREEN | |
627 | | BACKGROUND_BLUE); | |
628 | break; | |
629 | } | |
630 | ||
631 | /* Prepare the next parameter. */ | |
632 | param = eptr + 1; | |
633 | } | |
634 | while (param != esc_term); | |
635 | ||
636 | sgr_set_it: | |
637 | /* 0xFFFF removes everything. If it is not the case, | |
638 | care must be taken to preserve old attributes. */ | |
639 | if (attrib_rm != 0xFFFF && GetConsoleScreenBufferInfo (h, &sb)) | |
640 | { | |
641 | attrib_add |= sb.wAttributes & ~attrib_rm; | |
642 | } | |
5d3083dd LH |
643 | if (attrib_add & COMMON_LVB_REVERSE_VIDEO) |
644 | { | |
645 | /* COMMON_LVB_REVERSE_VIDEO is only effective for DBCS. | |
646 | * Swap foreground and background colors by hand. | |
647 | */ | |
648 | attrib_add = (attrib_add & 0xFF00) | |
649 | | ((attrib_add & 0x00F0) >> 4) | |
650 | | ((attrib_add & 0x000F) << 4); | |
651 | attrib_add &= ~COMMON_LVB_REVERSE_VIDEO; | |
652 | } | |
db0d1bae LH |
653 | SetConsoleTextAttribute (h, attrib_add); |
654 | break; | |
655 | } | |
656 | } | |
657 | ||
658 | int | |
659 | mingw_ansi_fputs (const char *str, FILE *fp) | |
660 | { | |
661 | const char *read = str; | |
662 | HANDLE h; | |
663 | DWORD mode; | |
664 | int esc_code, prefix_len; | |
665 | const char *esc_head, *esc_term; | |
666 | ||
667 | h = (HANDLE) _get_osfhandle (_fileno (fp)); | |
668 | if (h == INVALID_HANDLE_VALUE) | |
669 | return EOF; | |
670 | ||
671 | /* Don't mess up stdio functions with Windows APIs. */ | |
672 | fflush (fp); | |
673 | ||
674 | if (GetConsoleMode (h, &mode)) | |
675 | /* If it is a console, translate ANSI escape codes as needed. */ | |
676 | for (;;) | |
677 | { | |
678 | if ((esc_code = find_esc_head (&prefix_len, &esc_head, read)) == 0) | |
679 | { | |
680 | /* Write all remaining characters, then exit. */ | |
681 | write_all (h, read, strlen (read)); | |
682 | break; | |
683 | } | |
684 | if (find_esc_terminator (&esc_term, esc_head) == 0) | |
685 | /* Ignore incomplete escape sequences at the moment. | |
686 | FIXME: The escape state shall be cached for further calls | |
687 | to this function. */ | |
688 | break; | |
689 | write_all (h, read, esc_head - prefix_len - read); | |
690 | eat_esc_sequence (h, esc_code, esc_head, esc_term); | |
691 | read = esc_term + 1; | |
692 | } | |
693 | else | |
694 | /* If it is not a console, write everything as-is. */ | |
695 | write_all (h, read, strlen (read)); | |
696 | ||
db0d1bae LH |
697 | return 1; |
698 | } | |
699 | ||
700 | #endif /* __MINGW32__ */ | |
701 | ||
ddd0fd17 LH |
702 | static int |
703 | decode_utf8_char (const unsigned char *, size_t len, unsigned int *); | |
3f0177e7 MS |
704 | static void pp_quoted_string (pretty_printer *, const char *, size_t = -1); |
705 | ||
f79520bb | 706 | /* Overwrite the given location/range within this text_info's rich_location. |
8a645150 DM |
707 | For use e.g. when implementing "+" in client format decoders. */ |
708 | ||
709 | void | |
85204e23 DM |
710 | text_info::set_location (unsigned int idx, location_t loc, |
711 | enum range_display_kind range_display_kind) | |
8a645150 DM |
712 | { |
713 | gcc_checking_assert (m_richloc); | |
85204e23 | 714 | m_richloc->set_range (idx, loc, range_display_kind); |
8a645150 DM |
715 | } |
716 | ||
717 | location_t | |
718 | text_info::get_location (unsigned int index_of_location) const | |
719 | { | |
720 | gcc_checking_assert (m_richloc); | |
721 | ||
722 | if (index_of_location == 0) | |
723 | return m_richloc->get_loc (); | |
724 | else | |
725 | return UNKNOWN_LOCATION; | |
726 | } | |
727 | ||
da6ca2b5 GDR |
728 | // Default construct an output buffer. |
729 | ||
730 | output_buffer::output_buffer () | |
731 | : formatted_obstack (), | |
732 | chunk_obstack (), | |
733 | obstack (&formatted_obstack), | |
734 | cur_chunk_array (), | |
735 | stream (stderr), | |
736 | line_length (), | |
48749dbc MLI |
737 | digit_buffer (), |
738 | flush_p (true) | |
da6ca2b5 GDR |
739 | { |
740 | obstack_init (&formatted_obstack); | |
741 | obstack_init (&chunk_obstack); | |
742 | } | |
743 | ||
025311c4 GDR |
744 | // Release resources owned by an output buffer at the end of lifetime. |
745 | ||
746 | output_buffer::~output_buffer () | |
747 | { | |
65f5c720 RB |
748 | obstack_free (&chunk_obstack, NULL); |
749 | obstack_free (&formatted_obstack, NULL); | |
025311c4 GDR |
750 | } |
751 | ||
b6fe0bb8 GDR |
752 | |
753 | /* Format an integer given by va_arg (ARG, type-specifier T) where | |
754 | type-specifier is a precision modifier as indicated by PREC. F is | |
755 | a string used to construct the appropriate format-specifier. */ | |
756 | #define pp_integer_with_precision(PP, ARG, PREC, T, F) \ | |
757 | do \ | |
758 | switch (PREC) \ | |
759 | { \ | |
760 | case 0: \ | |
761 | pp_scalar (PP, "%" F, va_arg (ARG, T)); \ | |
762 | break; \ | |
763 | \ | |
764 | case 1: \ | |
765 | pp_scalar (PP, "%l" F, va_arg (ARG, long T)); \ | |
766 | break; \ | |
767 | \ | |
768 | case 2: \ | |
2a157700 | 769 | pp_scalar (PP, "%" HOST_LONG_LONG_FORMAT F, va_arg (ARG, long long T)); \ |
b6fe0bb8 GDR |
770 | break; \ |
771 | \ | |
772 | default: \ | |
773 | break; \ | |
774 | } \ | |
775 | while (0) | |
776 | ||
777 | ||
778 | /* Subroutine of pp_set_maximum_length. Set up PRETTY-PRINTER's | |
779 | internal maximum characters per line. */ | |
780 | static void | |
781 | pp_set_real_maximum_length (pretty_printer *pp) | |
782 | { | |
783 | /* If we're told not to wrap lines then do the obvious thing. In case | |
784 | we'll emit prefix only once per message, it is appropriate | |
785 | not to increase unnecessarily the line-length cut-off. */ | |
786 | if (!pp_is_wrapping_line (pp) | |
787 | || pp_prefixing_rule (pp) == DIAGNOSTICS_SHOW_PREFIX_ONCE | |
788 | || pp_prefixing_rule (pp) == DIAGNOSTICS_SHOW_PREFIX_NEVER) | |
789 | pp->maximum_length = pp_line_cutoff (pp); | |
790 | else | |
791 | { | |
792 | int prefix_length = pp->prefix ? strlen (pp->prefix) : 0; | |
793 | /* If the prefix is ridiculously too long, output at least | |
794 | 32 characters. */ | |
795 | if (pp_line_cutoff (pp) - prefix_length < 32) | |
796 | pp->maximum_length = pp_line_cutoff (pp) + 32; | |
797 | else | |
798 | pp->maximum_length = pp_line_cutoff (pp); | |
799 | } | |
800 | } | |
801 | ||
802 | /* Clear PRETTY-PRINTER's output state. */ | |
803 | static inline void | |
804 | pp_clear_state (pretty_printer *pp) | |
805 | { | |
806 | pp->emitted_prefix = false; | |
807 | pp_indentation (pp) = 0; | |
808 | } | |
809 | ||
dc3f3805 RS |
810 | /* Print X to PP in decimal. */ |
811 | template<unsigned int N, typename T> | |
812 | void | |
813 | pp_wide_integer (pretty_printer *pp, const poly_int_pod<N, T> &x) | |
814 | { | |
815 | if (x.is_constant ()) | |
816 | pp_wide_integer (pp, x.coeffs[0]); | |
817 | else | |
818 | { | |
819 | pp_left_bracket (pp); | |
820 | for (unsigned int i = 0; i < N; ++i) | |
821 | { | |
822 | if (i != 0) | |
823 | pp_comma (pp); | |
824 | pp_wide_integer (pp, x.coeffs[i]); | |
825 | } | |
826 | pp_right_bracket (pp); | |
827 | } | |
828 | } | |
829 | ||
830 | template void pp_wide_integer (pretty_printer *, const poly_uint16_pod &); | |
831 | template void pp_wide_integer (pretty_printer *, const poly_int64_pod &); | |
832 | template void pp_wide_integer (pretty_printer *, const poly_uint64_pod &); | |
833 | ||
b6fe0bb8 | 834 | /* Flush the formatted text of PRETTY-PRINTER onto the attached stream. */ |
6de9cd9a | 835 | void |
b6fe0bb8 GDR |
836 | pp_write_text_to_stream (pretty_printer *pp) |
837 | { | |
838 | const char *text = pp_formatted_text (pp); | |
db0d1bae LH |
839 | #ifdef __MINGW32__ |
840 | mingw_ansi_fputs (text, pp_buffer (pp)->stream); | |
841 | #else | |
025311c4 | 842 | fputs (text, pp_buffer (pp)->stream); |
db0d1bae | 843 | #endif |
b6fe0bb8 GDR |
844 | pp_clear_output_area (pp); |
845 | } | |
846 | ||
7eba871a SB |
847 | /* As pp_write_text_to_stream, but for GraphViz label output. |
848 | ||
849 | Flush the formatted text of pretty-printer PP onto the attached stream. | |
850 | Replace characters in PPF that have special meaning in a GraphViz .dot | |
851 | file. | |
852 | ||
853 | This routine is not very fast, but it doesn't have to be as this is only | |
854 | be used by routines dumping intermediate representations in graph form. */ | |
855 | ||
856 | void | |
857 | pp_write_text_as_dot_label_to_stream (pretty_printer *pp, bool for_record) | |
858 | { | |
859 | const char *text = pp_formatted_text (pp); | |
860 | const char *p = text; | |
025311c4 | 861 | FILE *fp = pp_buffer (pp)->stream; |
7eba871a | 862 | |
da3ebf2d | 863 | for (;*p; p++) |
7eba871a | 864 | { |
da3ebf2d | 865 | bool escape_char; |
7eba871a SB |
866 | switch (*p) |
867 | { | |
868 | /* Print newlines as a left-aligned newline. */ | |
869 | case '\n': | |
da3ebf2d TV |
870 | fputs ("\\l", fp); |
871 | escape_char = true; | |
7eba871a SB |
872 | break; |
873 | ||
795391fb | 874 | /* The following characters are only special for record-shape nodes. */ |
7eba871a | 875 | case '|': |
795391fb TV |
876 | case '{': |
877 | case '}': | |
878 | case '<': | |
879 | case '>': | |
880 | case ' ': | |
da3ebf2d | 881 | escape_char = for_record; |
7eba871a SB |
882 | break; |
883 | ||
884 | /* The following characters always have to be escaped | |
885 | for use in labels. */ | |
b3de2446 TV |
886 | case '\\': |
887 | /* There is a bug in some (f.i. 2.36.0) versions of graphiz | |
888 | ( http://www.graphviz.org/mantisbt/view.php?id=2524 ) related to | |
889 | backslash as last char in label. Let's avoid triggering it. */ | |
890 | gcc_assert (*(p + 1) != '\0'); | |
891 | /* Fall through. */ | |
7eba871a | 892 | case '"': |
da3ebf2d TV |
893 | escape_char = true; |
894 | break; | |
895 | ||
7eba871a | 896 | default: |
da3ebf2d | 897 | escape_char = false; |
7eba871a SB |
898 | break; |
899 | } | |
da3ebf2d TV |
900 | |
901 | if (escape_char) | |
902 | fputc ('\\', fp); | |
903 | ||
904 | fputc (*p, fp); | |
7eba871a SB |
905 | } |
906 | ||
907 | pp_clear_output_area (pp); | |
908 | } | |
909 | ||
a326a3de DM |
910 | /* As pp_write_text_to_stream, but for GraphViz HTML-like strings. |
911 | ||
912 | Flush the formatted text of pretty-printer PP onto the attached stream, | |
913 | escaping these characters | |
914 | " & < > | |
915 | using XML escape sequences. | |
916 | ||
917 | http://www.graphviz.org/doc/info/lang.html#html states: | |
918 | special XML escape sequences for ", &, <, and > may be necessary in | |
919 | order to embed these characters in attribute values or raw text | |
920 | This doesn't list "'" (which would normally be escaped in XML | |
921 | as "'" or in HTML as "'");. | |
922 | ||
923 | Experiments show that escaping "'" doesn't seem to be necessary. */ | |
924 | ||
925 | void | |
926 | pp_write_text_as_html_like_dot_to_stream (pretty_printer *pp) | |
927 | { | |
928 | const char *text = pp_formatted_text (pp); | |
929 | const char *p = text; | |
930 | FILE *fp = pp_buffer (pp)->stream; | |
931 | ||
932 | for (;*p; p++) | |
933 | { | |
934 | switch (*p) | |
935 | { | |
936 | case '"': | |
937 | fputs (""", fp); | |
938 | break; | |
939 | case '&': | |
940 | fputs ("&", fp); | |
941 | break; | |
942 | case '<': | |
943 | fputs ("<", fp); | |
944 | break; | |
945 | case '>': | |
946 | fputs (">",fp); | |
947 | break; | |
948 | ||
949 | default: | |
950 | fputc (*p, fp); | |
951 | break; | |
952 | } | |
953 | } | |
954 | ||
955 | pp_clear_output_area (pp); | |
956 | } | |
957 | ||
b6fe0bb8 GDR |
958 | /* Wrap a text delimited by START and END into PRETTY-PRINTER. */ |
959 | static void | |
960 | pp_wrap_text (pretty_printer *pp, const char *start, const char *end) | |
961 | { | |
962 | bool wrapping_line = pp_is_wrapping_line (pp); | |
963 | ||
964 | while (start != end) | |
965 | { | |
966 | /* Dump anything bordered by whitespaces. */ | |
967 | { | |
968 | const char *p = start; | |
969 | while (p != end && !ISBLANK (*p) && *p != '\n') | |
970 | ++p; | |
971 | if (wrapping_line | |
972 | && p - start >= pp_remaining_character_count_for_line (pp)) | |
973 | pp_newline (pp); | |
974 | pp_append_text (pp, start, p); | |
975 | start = p; | |
976 | } | |
977 | ||
978 | if (start != end && ISBLANK (*start)) | |
979 | { | |
980 | pp_space (pp); | |
981 | ++start; | |
982 | } | |
983 | if (start != end && *start == '\n') | |
984 | { | |
985 | pp_newline (pp); | |
986 | ++start; | |
987 | } | |
988 | } | |
989 | } | |
990 | ||
991 | /* Same as pp_wrap_text but wrap text only when in line-wrapping mode. */ | |
992 | static inline void | |
993 | pp_maybe_wrap_text (pretty_printer *pp, const char *start, const char *end) | |
994 | { | |
995 | if (pp_is_wrapping_line (pp)) | |
996 | pp_wrap_text (pp, start, end); | |
997 | else | |
998 | pp_append_text (pp, start, end); | |
999 | } | |
1000 | ||
1001 | /* Append to the output area of PRETTY-PRINTER a string specified by its | |
1002 | STARTing character and LENGTH. */ | |
1003 | static inline void | |
1004 | pp_append_r (pretty_printer *pp, const char *start, int length) | |
1005 | { | |
c4100eae | 1006 | output_buffer_append_r (pp_buffer (pp), start, length); |
b6fe0bb8 GDR |
1007 | } |
1008 | ||
4b780675 GDR |
1009 | /* Insert enough spaces into the output area of PRETTY-PRINTER to bring |
1010 | the column position to the current indentation level, assuming that a | |
1011 | newline has just been written to the buffer. */ | |
1012 | void | |
b066401f | 1013 | pp_indent (pretty_printer *pp) |
4b780675 GDR |
1014 | { |
1015 | int n = pp_indentation (pp); | |
1016 | int i; | |
1017 | ||
1018 | for (i = 0; i < n; ++i) | |
1019 | pp_space (pp); | |
1020 | } | |
1021 | ||
39ce81c9 | 1022 | /* The following format specifiers are recognized as being client independent: |
b6fe0bb8 GDR |
1023 | %d, %i: (signed) integer in base ten. |
1024 | %u: unsigned integer in base ten. | |
1025 | %o: unsigned integer in base eight. | |
1026 | %x: unsigned integer in base sixteen. | |
1027 | %ld, %li, %lo, %lu, %lx: long versions of the above. | |
1028 | %lld, %lli, %llo, %llu, %llx: long long versions. | |
1029 | %wd, %wi, %wo, %wu, %wx: HOST_WIDE_INT versions. | |
204839e7 | 1030 | %f: double |
b6fe0bb8 GDR |
1031 | %c: character. |
1032 | %s: string. | |
914bc2b9 | 1033 | %p: pointer (printed in a host-dependent manner). |
4b84d650 JJ |
1034 | %r: if pp_show_color(pp), switch to color identified by const char *. |
1035 | %R: if pp_show_color(pp), reset color. | |
b6fe0bb8 | 1036 | %m: strerror(text->err_no) - does not consume a value from args_ptr. |
a668adb2 | 1037 | %%: '%'. |
ca09cd34 JM |
1038 | %<: opening quote. |
1039 | %>: closing quote. | |
1040 | %': apostrophe (should only be used in untranslated messages; | |
1041 | translations should use appropriate punctuation directly). | |
39ce81c9 ZW |
1042 | %.*s: a substring the length of which is specified by an argument |
1043 | integer. | |
1044 | %Ns: likewise, but length specified as constant in the format string. | |
39ce81c9 | 1045 | Flag 'q': quote formatted text (must come immediately after '%'). |
975672f3 PK |
1046 | %Z: Requires two arguments - array of int, and len. Prints elements |
1047 | of the array. | |
39ce81c9 ZW |
1048 | |
1049 | Arguments can be used sequentially, or through %N$ resp. *N$ | |
1050 | notation Nth argument after the format string. If %N$ / *N$ | |
1051 | notation is used, it must be used for all arguments, except %m, %%, | |
1052 | %<, %> and %', which may not have a number, as they do not consume | |
1053 | an argument. When %M$.*N$s is used, M must be N + 1. (This may | |
1054 | also be written %M$.*s, provided N is not otherwise used.) The | |
1055 | format string must have conversion specifiers with argument numbers | |
1056 | 1 up to highest argument; each argument may only be used once. | |
1057 | A format string can have at most 30 arguments. */ | |
1058 | ||
1059 | /* Formatting phases 1 and 2: render TEXT->format_spec plus | |
025311c4 | 1060 | TEXT->args_ptr into a series of chunks in pp_buffer (PP)->args[]. |
4ccab56d | 1061 | Phase 3 is in pp_output_formatted_text. */ |
39ce81c9 | 1062 | |
b6fe0bb8 | 1063 | void |
b066401f | 1064 | pp_format (pretty_printer *pp, text_info *text) |
b6fe0bb8 | 1065 | { |
025311c4 | 1066 | output_buffer *buffer = pp_buffer (pp); |
39ce81c9 ZW |
1067 | const char *p; |
1068 | const char **args; | |
1069 | struct chunk_info *new_chunk_array; | |
1070 | ||
1071 | unsigned int curarg = 0, chunk = 0, argno; | |
1072 | pp_wrapping_mode_t old_wrapping_mode; | |
1073 | bool any_unnumbered = false, any_numbered = false; | |
1074 | const char **formatters[PP_NL_ARGMAX]; | |
1075 | ||
1076 | /* Allocate a new chunk structure. */ | |
1077 | new_chunk_array = XOBNEW (&buffer->chunk_obstack, struct chunk_info); | |
1078 | new_chunk_array->prev = buffer->cur_chunk_array; | |
1079 | buffer->cur_chunk_array = new_chunk_array; | |
1080 | args = new_chunk_array->args; | |
1081 | ||
1082 | /* Formatting phase 1: split up TEXT->format_spec into chunks in | |
025311c4 | 1083 | pp_buffer (PP)->args[]. Even-numbered chunks are to be output |
39ce81c9 ZW |
1084 | verbatim, odd-numbered chunks are format specifiers. |
1085 | %m, %%, %<, %>, and %' are replaced with the appropriate text at | |
1086 | this point. */ | |
1087 | ||
1088 | memset (formatters, 0, sizeof formatters); | |
b8698a0f | 1089 | |
39ce81c9 | 1090 | for (p = text->format_spec; *p; ) |
b6fe0bb8 | 1091 | { |
39ce81c9 ZW |
1092 | while (*p != '\0' && *p != '%') |
1093 | { | |
1094 | obstack_1grow (&buffer->chunk_obstack, *p); | |
1095 | p++; | |
1096 | } | |
b6fe0bb8 | 1097 | |
39ce81c9 ZW |
1098 | if (*p == '\0') |
1099 | break; | |
1100 | ||
1101 | switch (*++p) | |
1102 | { | |
1103 | case '\0': | |
1104 | gcc_unreachable (); | |
b8698a0f | 1105 | |
39ce81c9 ZW |
1106 | case '%': |
1107 | obstack_1grow (&buffer->chunk_obstack, '%'); | |
1108 | p++; | |
1109 | continue; | |
b6fe0bb8 | 1110 | |
39ce81c9 | 1111 | case '<': |
4b84d650 JJ |
1112 | { |
1113 | obstack_grow (&buffer->chunk_obstack, | |
1114 | open_quote, strlen (open_quote)); | |
1115 | const char *colorstr | |
1116 | = colorize_start (pp_show_color (pp), "quote"); | |
1117 | obstack_grow (&buffer->chunk_obstack, colorstr, strlen (colorstr)); | |
1118 | p++; | |
1119 | continue; | |
1120 | } | |
39ce81c9 ZW |
1121 | |
1122 | case '>': | |
4b84d650 JJ |
1123 | { |
1124 | const char *colorstr = colorize_stop (pp_show_color (pp)); | |
1125 | obstack_grow (&buffer->chunk_obstack, colorstr, strlen (colorstr)); | |
1126 | } | |
1127 | /* FALLTHRU */ | |
39ce81c9 ZW |
1128 | case '\'': |
1129 | obstack_grow (&buffer->chunk_obstack, | |
241de8a0 | 1130 | close_quote, strlen (close_quote)); |
39ce81c9 ZW |
1131 | p++; |
1132 | continue; | |
1133 | ||
4b84d650 JJ |
1134 | case 'R': |
1135 | { | |
1136 | const char *colorstr = colorize_stop (pp_show_color (pp)); | |
1137 | obstack_grow (&buffer->chunk_obstack, colorstr, | |
1138 | strlen (colorstr)); | |
1139 | p++; | |
1140 | continue; | |
1141 | } | |
1142 | ||
39ce81c9 ZW |
1143 | case 'm': |
1144 | { | |
1145 | const char *errstr = xstrerror (text->err_no); | |
1146 | obstack_grow (&buffer->chunk_obstack, errstr, strlen (errstr)); | |
1147 | } | |
1148 | p++; | |
1149 | continue; | |
1150 | ||
1151 | default: | |
1152 | /* Handled in phase 2. Terminate the plain chunk here. */ | |
1153 | obstack_1grow (&buffer->chunk_obstack, '\0'); | |
1154 | gcc_assert (chunk < PP_NL_ARGMAX * 2); | |
1155 | args[chunk++] = XOBFINISH (&buffer->chunk_obstack, const char *); | |
1156 | break; | |
1157 | } | |
1158 | ||
1159 | if (ISDIGIT (*p)) | |
1160 | { | |
1161 | char *end; | |
1162 | argno = strtoul (p, &end, 10) - 1; | |
1163 | p = end; | |
1164 | gcc_assert (*p == '$'); | |
1165 | p++; | |
1166 | ||
1167 | any_numbered = true; | |
1168 | gcc_assert (!any_unnumbered); | |
1169 | } | |
1170 | else | |
1171 | { | |
1172 | argno = curarg++; | |
1173 | any_unnumbered = true; | |
1174 | gcc_assert (!any_numbered); | |
1175 | } | |
1176 | gcc_assert (argno < PP_NL_ARGMAX); | |
1177 | gcc_assert (!formatters[argno]); | |
1178 | formatters[argno] = &args[chunk]; | |
1179 | do | |
1180 | { | |
1181 | obstack_1grow (&buffer->chunk_obstack, *p); | |
1182 | p++; | |
1183 | } | |
1184 | while (strchr ("qwl+#", p[-1])); | |
1185 | ||
1186 | if (p[-1] == '.') | |
1187 | { | |
1188 | /* We handle '%.Ns' and '%.*s' or '%M$.*N$s' | |
1189 | (where M == N + 1). */ | |
1190 | if (ISDIGIT (*p)) | |
1191 | { | |
1192 | do | |
1193 | { | |
1194 | obstack_1grow (&buffer->chunk_obstack, *p); | |
1195 | p++; | |
1196 | } | |
1197 | while (ISDIGIT (p[-1])); | |
1198 | gcc_assert (p[-1] == 's'); | |
1199 | } | |
1200 | else | |
1201 | { | |
1202 | gcc_assert (*p == '*'); | |
1203 | obstack_1grow (&buffer->chunk_obstack, '*'); | |
1204 | p++; | |
1205 | ||
1206 | if (ISDIGIT (*p)) | |
1207 | { | |
1208 | char *end; | |
1209 | unsigned int argno2 = strtoul (p, &end, 10) - 1; | |
1210 | p = end; | |
1211 | gcc_assert (argno2 == argno - 1); | |
1212 | gcc_assert (!any_unnumbered); | |
1213 | gcc_assert (*p == '$'); | |
1214 | ||
1215 | p++; | |
1216 | formatters[argno2] = formatters[argno]; | |
1217 | } | |
1218 | else | |
1219 | { | |
1220 | gcc_assert (!any_numbered); | |
1221 | formatters[argno+1] = formatters[argno]; | |
1222 | curarg++; | |
1223 | } | |
1224 | gcc_assert (*p == 's'); | |
1225 | obstack_1grow (&buffer->chunk_obstack, 's'); | |
1226 | p++; | |
1227 | } | |
1228 | } | |
1229 | if (*p == '\0') | |
b6fe0bb8 GDR |
1230 | break; |
1231 | ||
39ce81c9 ZW |
1232 | obstack_1grow (&buffer->chunk_obstack, '\0'); |
1233 | gcc_assert (chunk < PP_NL_ARGMAX * 2); | |
1234 | args[chunk++] = XOBFINISH (&buffer->chunk_obstack, const char *); | |
1235 | } | |
1236 | ||
1237 | obstack_1grow (&buffer->chunk_obstack, '\0'); | |
1238 | gcc_assert (chunk < PP_NL_ARGMAX * 2); | |
1239 | args[chunk++] = XOBFINISH (&buffer->chunk_obstack, const char *); | |
1240 | args[chunk] = 0; | |
b8698a0f | 1241 | |
39ce81c9 ZW |
1242 | /* Set output to the argument obstack, and switch line-wrapping and |
1243 | prefixing off. */ | |
1244 | buffer->obstack = &buffer->chunk_obstack; | |
e9c9a142 | 1245 | const int old_line_length = buffer->line_length; |
39ce81c9 ZW |
1246 | old_wrapping_mode = pp_set_verbatim_wrapping (pp); |
1247 | ||
1248 | /* Second phase. Replace each formatter with the formatted text it | |
1249 | corresponds to. */ | |
1250 | ||
1251 | for (argno = 0; formatters[argno]; argno++) | |
1252 | { | |
1253 | int precision = 0; | |
1254 | bool wide = false; | |
1255 | bool plus = false; | |
1256 | bool hash = false; | |
1257 | bool quote = false; | |
1258 | ||
1259 | /* We do not attempt to enforce any ordering on the modifier | |
1260 | characters. */ | |
1261 | ||
1262 | for (p = *formatters[argno];; p++) | |
a668adb2 | 1263 | { |
39ce81c9 ZW |
1264 | switch (*p) |
1265 | { | |
1266 | case 'q': | |
1267 | gcc_assert (!quote); | |
1268 | quote = true; | |
1269 | continue; | |
1270 | ||
1271 | case '+': | |
1272 | gcc_assert (!plus); | |
1273 | plus = true; | |
1274 | continue; | |
1275 | ||
1276 | case '#': | |
1277 | gcc_assert (!hash); | |
1278 | hash = true; | |
1279 | continue; | |
1280 | ||
1281 | case 'w': | |
1282 | gcc_assert (!wide); | |
1283 | wide = true; | |
1284 | continue; | |
1285 | ||
1286 | case 'l': | |
1287 | /* We don't support precision beyond that of "long long". */ | |
1288 | gcc_assert (precision < 2); | |
1289 | precision++; | |
1290 | continue; | |
1291 | } | |
1292 | break; | |
a668adb2 | 1293 | } |
39ce81c9 ZW |
1294 | |
1295 | gcc_assert (!wide || precision == 0); | |
1296 | ||
1297 | if (quote) | |
ce95abc4 | 1298 | pp_begin_quote (pp, pp_show_color (pp)); |
39ce81c9 ZW |
1299 | |
1300 | switch (*p) | |
b6fe0bb8 | 1301 | { |
4b84d650 JJ |
1302 | case 'r': |
1303 | pp_string (pp, colorize_start (pp_show_color (pp), | |
1304 | va_arg (*text->args_ptr, | |
1305 | const char *))); | |
1306 | break; | |
1307 | ||
b6fe0bb8 | 1308 | case 'c': |
3f0177e7 MS |
1309 | { |
1310 | /* When quoting, print alphanumeric, punctuation, and the space | |
1311 | character unchanged, and all others in hexadecimal with the | |
1312 | "\x" prefix. Otherwise print them all unchanged. */ | |
1313 | int chr = va_arg (*text->args_ptr, int); | |
1314 | if (ISPRINT (chr) || !quote) | |
1315 | pp_character (pp, chr); | |
1316 | else | |
1317 | { | |
1318 | const char str [2] = { chr, '\0' }; | |
1319 | pp_quoted_string (pp, str, 1); | |
1320 | } | |
1321 | break; | |
1322 | } | |
b6fe0bb8 GDR |
1323 | |
1324 | case 'd': | |
1325 | case 'i': | |
39ce81c9 ZW |
1326 | if (wide) |
1327 | pp_wide_integer (pp, va_arg (*text->args_ptr, HOST_WIDE_INT)); | |
1328 | else | |
1329 | pp_integer_with_precision | |
1330 | (pp, *text->args_ptr, precision, int, "d"); | |
b6fe0bb8 GDR |
1331 | break; |
1332 | ||
1333 | case 'o': | |
39ce81c9 ZW |
1334 | if (wide) |
1335 | pp_scalar (pp, "%" HOST_WIDE_INT_PRINT "o", | |
1336 | va_arg (*text->args_ptr, unsigned HOST_WIDE_INT)); | |
1337 | else | |
1338 | pp_integer_with_precision | |
1339 | (pp, *text->args_ptr, precision, unsigned, "o"); | |
b6fe0bb8 GDR |
1340 | break; |
1341 | ||
1342 | case 's': | |
3f0177e7 MS |
1343 | if (quote) |
1344 | pp_quoted_string (pp, va_arg (*text->args_ptr, const char *)); | |
1345 | else | |
1346 | pp_string (pp, va_arg (*text->args_ptr, const char *)); | |
b6fe0bb8 GDR |
1347 | break; |
1348 | ||
39ce81c9 ZW |
1349 | case 'p': |
1350 | pp_pointer (pp, va_arg (*text->args_ptr, void *)); | |
1351 | break; | |
b6fe0bb8 GDR |
1352 | |
1353 | case 'u': | |
39ce81c9 ZW |
1354 | if (wide) |
1355 | pp_scalar (pp, HOST_WIDE_INT_PRINT_UNSIGNED, | |
1356 | va_arg (*text->args_ptr, unsigned HOST_WIDE_INT)); | |
1357 | else | |
1358 | pp_integer_with_precision | |
1359 | (pp, *text->args_ptr, precision, unsigned, "u"); | |
b6fe0bb8 GDR |
1360 | break; |
1361 | ||
204839e7 DM |
1362 | case 'f': |
1363 | pp_double (pp, va_arg (*text->args_ptr, double)); | |
1364 | break; | |
1365 | ||
975672f3 PK |
1366 | case 'Z': |
1367 | { | |
1368 | int *v = va_arg (*text->args_ptr, int *); | |
1369 | unsigned len = va_arg (*text->args_ptr, unsigned); | |
1370 | ||
1371 | for (unsigned i = 0; i < len; ++i) | |
1372 | { | |
1373 | pp_scalar (pp, "%i", v[i]); | |
1374 | if (i < len - 1) | |
1375 | { | |
1376 | pp_comma (pp); | |
1377 | pp_space (pp); | |
1378 | } | |
1379 | } | |
1380 | break; | |
1381 | } | |
1382 | ||
b6fe0bb8 | 1383 | case 'x': |
39ce81c9 ZW |
1384 | if (wide) |
1385 | pp_scalar (pp, HOST_WIDE_INT_PRINT_HEX, | |
1386 | va_arg (*text->args_ptr, unsigned HOST_WIDE_INT)); | |
1387 | else | |
1388 | pp_integer_with_precision | |
1389 | (pp, *text->args_ptr, precision, unsigned, "x"); | |
b6fe0bb8 GDR |
1390 | break; |
1391 | ||
b6fe0bb8 GDR |
1392 | case '.': |
1393 | { | |
1394 | int n; | |
1395 | const char *s; | |
d5706a1e | 1396 | |
39ce81c9 ZW |
1397 | /* We handle '%.Ns' and '%.*s' or '%M$.*N$s' |
1398 | (where M == N + 1). The format string should be verified | |
1399 | already from the first phase. */ | |
1400 | p++; | |
1401 | if (ISDIGIT (*p)) | |
1402 | { | |
1403 | char *end; | |
1404 | n = strtoul (p, &end, 10); | |
1405 | p = end; | |
1406 | gcc_assert (*p == 's'); | |
1407 | } | |
1408 | else | |
1409 | { | |
1410 | gcc_assert (*p == '*'); | |
1411 | p++; | |
1412 | gcc_assert (*p == 's'); | |
1413 | n = va_arg (*text->args_ptr, int); | |
1414 | ||
1415 | /* This consumes a second entry in the formatters array. */ | |
1416 | gcc_assert (formatters[argno] == formatters[argno+1]); | |
1417 | argno++; | |
1418 | } | |
1419 | ||
b6fe0bb8 | 1420 | s = va_arg (*text->args_ptr, const char *); |
0a8923fa | 1421 | |
86ef85d3 MS |
1422 | /* Append the lesser of precision and strlen (s) characters |
1423 | from the array (which need not be a nul-terminated string). | |
1424 | Negative precision is treated as if it were omitted. */ | |
1425 | size_t len = n < 0 ? strlen (s) : strnlen (s, n); | |
0a8923fa MS |
1426 | |
1427 | pp_append_text (pp, s, s + len); | |
b6fe0bb8 GDR |
1428 | } |
1429 | break; | |
1430 | ||
1431 | default: | |
0e61db61 NS |
1432 | { |
1433 | bool ok; | |
39ce81c9 | 1434 | |
ce95abc4 DM |
1435 | /* Call the format decoder. |
1436 | Pass the address of "quote" so that format decoders can | |
1437 | potentially disable printing of the closing quote | |
1438 | (e.g. when printing "'TYPEDEF' aka 'TYPE'" in the C family | |
1439 | of frontends). */ | |
0e61db61 | 1440 | gcc_assert (pp_format_decoder (pp)); |
39ce81c9 | 1441 | ok = pp_format_decoder (pp) (pp, text, p, |
ce95abc4 | 1442 | precision, wide, plus, hash, "e, |
f012c8ef | 1443 | formatters[argno]); |
0e61db61 NS |
1444 | gcc_assert (ok); |
1445 | } | |
b6fe0bb8 | 1446 | } |
39ce81c9 ZW |
1447 | |
1448 | if (quote) | |
ce95abc4 | 1449 | pp_end_quote (pp, pp_show_color (pp)); |
39ce81c9 ZW |
1450 | |
1451 | obstack_1grow (&buffer->chunk_obstack, '\0'); | |
1452 | *formatters[argno] = XOBFINISH (&buffer->chunk_obstack, const char *); | |
b6fe0bb8 | 1453 | } |
39ce81c9 | 1454 | |
b2b29377 MM |
1455 | if (CHECKING_P) |
1456 | for (; argno < PP_NL_ARGMAX; argno++) | |
1457 | gcc_assert (!formatters[argno]); | |
39ce81c9 | 1458 | |
f012c8ef DM |
1459 | /* If the client supplied a postprocessing object, call its "handle" |
1460 | hook here. */ | |
1461 | if (pp->m_format_postprocessor) | |
1462 | pp->m_format_postprocessor->handle (pp); | |
1463 | ||
39ce81c9 ZW |
1464 | /* Revert to normal obstack and wrapping mode. */ |
1465 | buffer->obstack = &buffer->formatted_obstack; | |
e9c9a142 | 1466 | buffer->line_length = old_line_length; |
39ce81c9 ZW |
1467 | pp_wrapping_mode (pp) = old_wrapping_mode; |
1468 | pp_clear_state (pp); | |
1469 | } | |
1470 | ||
1471 | /* Format of a message pointed to by TEXT. */ | |
1472 | void | |
b066401f | 1473 | pp_output_formatted_text (pretty_printer *pp) |
39ce81c9 ZW |
1474 | { |
1475 | unsigned int chunk; | |
1476 | output_buffer *buffer = pp_buffer (pp); | |
1477 | struct chunk_info *chunk_array = buffer->cur_chunk_array; | |
1478 | const char **args = chunk_array->args; | |
1479 | ||
1480 | gcc_assert (buffer->obstack == &buffer->formatted_obstack); | |
39ce81c9 | 1481 | |
b066401f | 1482 | /* This is a third phase, first 2 phases done in pp_format_args. |
39ce81c9 ZW |
1483 | Now we actually print it. */ |
1484 | for (chunk = 0; args[chunk]; chunk++) | |
1485 | pp_string (pp, args[chunk]); | |
1486 | ||
1487 | /* Deallocate the chunk structure and everything after it (i.e. the | |
1488 | associated series of formatted strings). */ | |
1489 | buffer->cur_chunk_array = chunk_array->prev; | |
1490 | obstack_free (&buffer->chunk_obstack, chunk_array); | |
b6fe0bb8 GDR |
1491 | } |
1492 | ||
1493 | /* Helper subroutine of output_verbatim and verbatim. Do the appropriate | |
1494 | settings needed by BUFFER for a verbatim formatting. */ | |
1495 | void | |
b066401f | 1496 | pp_format_verbatim (pretty_printer *pp, text_info *text) |
b6fe0bb8 | 1497 | { |
b6fe0bb8 | 1498 | /* Set verbatim mode. */ |
39ce81c9 ZW |
1499 | pp_wrapping_mode_t oldmode = pp_set_verbatim_wrapping (pp); |
1500 | ||
b6fe0bb8 | 1501 | /* Do the actual formatting. */ |
39ce81c9 ZW |
1502 | pp_format (pp, text); |
1503 | pp_output_formatted_text (pp); | |
1504 | ||
b6fe0bb8 | 1505 | /* Restore previous settings. */ |
39ce81c9 | 1506 | pp_wrapping_mode (pp) = oldmode; |
b6fe0bb8 GDR |
1507 | } |
1508 | ||
48749dbc MLI |
1509 | /* Flush the content of BUFFER onto the attached stream. This |
1510 | function does nothing unless pp->output_buffer->flush_p. */ | |
b6fe0bb8 | 1511 | void |
b066401f | 1512 | pp_flush (pretty_printer *pp) |
b6fe0bb8 | 1513 | { |
48749dbc MLI |
1514 | pp_clear_state (pp); |
1515 | if (!pp->buffer->flush_p) | |
1516 | return; | |
b6fe0bb8 | 1517 | pp_write_text_to_stream (pp); |
48749dbc MLI |
1518 | fflush (pp_buffer (pp)->stream); |
1519 | } | |
1520 | ||
1521 | /* Flush the content of BUFFER onto the attached stream independently | |
1522 | of the value of pp->output_buffer->flush_p. */ | |
1523 | void | |
1524 | pp_really_flush (pretty_printer *pp) | |
1525 | { | |
b6fe0bb8 | 1526 | pp_clear_state (pp); |
48749dbc | 1527 | pp_write_text_to_stream (pp); |
025311c4 | 1528 | fflush (pp_buffer (pp)->stream); |
b6fe0bb8 GDR |
1529 | } |
1530 | ||
1531 | /* Sets the number of maximum characters per line PRETTY-PRINTER can | |
1532 | output in line-wrapping mode. A LENGTH value 0 suppresses | |
1533 | line-wrapping. */ | |
1534 | void | |
b066401f | 1535 | pp_set_line_maximum_length (pretty_printer *pp, int length) |
b6fe0bb8 GDR |
1536 | { |
1537 | pp_line_cutoff (pp) = length; | |
1538 | pp_set_real_maximum_length (pp); | |
1539 | } | |
1540 | ||
1541 | /* Clear PRETTY-PRINTER output area text info. */ | |
1542 | void | |
b066401f | 1543 | pp_clear_output_area (pretty_printer *pp) |
b6fe0bb8 | 1544 | { |
025311c4 GDR |
1545 | obstack_free (pp_buffer (pp)->obstack, |
1546 | obstack_base (pp_buffer (pp)->obstack)); | |
1547 | pp_buffer (pp)->line_length = 0; | |
b6fe0bb8 GDR |
1548 | } |
1549 | ||
653fee19 DM |
1550 | /* Set PREFIX for PRETTY-PRINTER, taking ownership of PREFIX, which |
1551 | will eventually be free-ed. */ | |
1552 | ||
b6fe0bb8 | 1553 | void |
653fee19 | 1554 | pp_set_prefix (pretty_printer *pp, char *prefix) |
b6fe0bb8 | 1555 | { |
653fee19 | 1556 | free (pp->prefix); |
b6fe0bb8 GDR |
1557 | pp->prefix = prefix; |
1558 | pp_set_real_maximum_length (pp); | |
1559 | pp->emitted_prefix = false; | |
1560 | pp_indentation (pp) = 0; | |
1561 | } | |
1562 | ||
653fee19 DM |
1563 | /* Take ownership of PP's prefix, setting it to NULL. |
1564 | This allows clients to save, overide, and then restore an existing | |
1565 | prefix, without it being free-ed. */ | |
1566 | ||
1567 | char * | |
1568 | pp_take_prefix (pretty_printer *pp) | |
1569 | { | |
1570 | char *result = pp->prefix; | |
1571 | pp->prefix = NULL; | |
1572 | return result; | |
1573 | } | |
1574 | ||
b6fe0bb8 GDR |
1575 | /* Free PRETTY-PRINTER's prefix, a previously malloc()'d string. */ |
1576 | void | |
b066401f | 1577 | pp_destroy_prefix (pretty_printer *pp) |
b6fe0bb8 GDR |
1578 | { |
1579 | if (pp->prefix != NULL) | |
1580 | { | |
653fee19 | 1581 | free (pp->prefix); |
b6fe0bb8 GDR |
1582 | pp->prefix = NULL; |
1583 | } | |
1584 | } | |
1585 | ||
1586 | /* Write out PRETTY-PRINTER's prefix. */ | |
1587 | void | |
b066401f | 1588 | pp_emit_prefix (pretty_printer *pp) |
b6fe0bb8 GDR |
1589 | { |
1590 | if (pp->prefix != NULL) | |
1591 | { | |
1592 | switch (pp_prefixing_rule (pp)) | |
1593 | { | |
1594 | default: | |
1595 | case DIAGNOSTICS_SHOW_PREFIX_NEVER: | |
1596 | break; | |
1597 | ||
1598 | case DIAGNOSTICS_SHOW_PREFIX_ONCE: | |
1599 | if (pp->emitted_prefix) | |
1600 | { | |
b066401f | 1601 | pp_indent (pp); |
b6fe0bb8 GDR |
1602 | break; |
1603 | } | |
1604 | pp_indentation (pp) += 3; | |
1605 | /* Fall through. */ | |
1606 | ||
1607 | case DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE: | |
1608 | { | |
1609 | int prefix_length = strlen (pp->prefix); | |
1610 | pp_append_r (pp, pp->prefix, prefix_length); | |
1611 | pp->emitted_prefix = true; | |
1612 | } | |
1613 | break; | |
1614 | } | |
1615 | } | |
1616 | } | |
1617 | ||
653fee19 | 1618 | /* Construct a PRETTY-PRINTER of MAXIMUM_LENGTH characters per line. */ |
da6ca2b5 | 1619 | |
653fee19 | 1620 | pretty_printer::pretty_printer (int maximum_length) |
da6ca2b5 GDR |
1621 | : buffer (new (XCNEW (output_buffer)) output_buffer ()), |
1622 | prefix (), | |
1623 | padding (pp_none), | |
1624 | maximum_length (), | |
1625 | indent_skip (), | |
1626 | wrapping (), | |
1627 | format_decoder (), | |
f012c8ef | 1628 | m_format_postprocessor (NULL), |
da6ca2b5 GDR |
1629 | emitted_prefix (), |
1630 | need_newline (), | |
c3284718 | 1631 | translate_identifiers (true), |
d2608235 DM |
1632 | show_color (), |
1633 | show_urls (false) | |
b6fe0bb8 | 1634 | { |
653fee19 | 1635 | pp_line_cutoff (this) = maximum_length; |
da6ca2b5 GDR |
1636 | /* By default, we emit prefixes once per message. */ |
1637 | pp_prefixing_rule (this) = DIAGNOSTICS_SHOW_PREFIX_ONCE; | |
653fee19 | 1638 | pp_set_prefix (this, NULL); |
b6fe0bb8 GDR |
1639 | } |
1640 | ||
368877a1 DM |
1641 | /* Copy constructor for pretty_printer. */ |
1642 | ||
1643 | pretty_printer::pretty_printer (const pretty_printer &other) | |
1644 | : buffer (new (XCNEW (output_buffer)) output_buffer ()), | |
1645 | prefix (), | |
1646 | padding (other.padding), | |
1647 | maximum_length (other.maximum_length), | |
1648 | indent_skip (other.indent_skip), | |
1649 | wrapping (other.wrapping), | |
1650 | format_decoder (other.format_decoder), | |
1651 | m_format_postprocessor (NULL), | |
1652 | emitted_prefix (other.emitted_prefix), | |
1653 | need_newline (other.need_newline), | |
1654 | translate_identifiers (other.translate_identifiers), | |
1655 | show_color (other.show_color), | |
1656 | show_urls (other.show_urls) | |
1657 | { | |
1658 | pp_line_cutoff (this) = maximum_length; | |
1659 | /* By default, we emit prefixes once per message. */ | |
1660 | pp_prefixing_rule (this) = pp_prefixing_rule (&other); | |
1661 | pp_set_prefix (this, NULL); | |
1662 | ||
1663 | if (other.m_format_postprocessor) | |
1664 | m_format_postprocessor = other.m_format_postprocessor->clone (); | |
1665 | } | |
1666 | ||
025311c4 GDR |
1667 | pretty_printer::~pretty_printer () |
1668 | { | |
f012c8ef DM |
1669 | if (m_format_postprocessor) |
1670 | delete m_format_postprocessor; | |
025311c4 GDR |
1671 | buffer->~output_buffer (); |
1672 | XDELETE (buffer); | |
653fee19 | 1673 | free (prefix); |
025311c4 GDR |
1674 | } |
1675 | ||
368877a1 DM |
1676 | /* Base class implementation of pretty_printer::clone vfunc. */ |
1677 | ||
1678 | pretty_printer * | |
1679 | pretty_printer::clone () const | |
1680 | { | |
1681 | return new pretty_printer (*this); | |
1682 | } | |
1683 | ||
b6fe0bb8 GDR |
1684 | /* Append a string delimited by START and END to the output area of |
1685 | PRETTY-PRINTER. No line wrapping is done. However, if beginning a | |
1686 | new line then emit PRETTY-PRINTER's prefix and skip any leading | |
1687 | whitespace if appropriate. The caller must ensure that it is | |
1688 | safe to do so. */ | |
1689 | void | |
b066401f | 1690 | pp_append_text (pretty_printer *pp, const char *start, const char *end) |
b6fe0bb8 GDR |
1691 | { |
1692 | /* Emit prefix and skip whitespace if we're starting a new line. */ | |
025311c4 | 1693 | if (pp_buffer (pp)->line_length == 0) |
b6fe0bb8 GDR |
1694 | { |
1695 | pp_emit_prefix (pp); | |
1696 | if (pp_is_wrapping_line (pp)) | |
1697 | while (start != end && *start == ' ') | |
1698 | ++start; | |
1699 | } | |
1700 | pp_append_r (pp, start, end - start); | |
1701 | } | |
1702 | ||
1703 | /* Finishes constructing a NULL-terminated character string representing | |
1704 | the PRETTY-PRINTED text. */ | |
1705 | const char * | |
b066401f | 1706 | pp_formatted_text (pretty_printer *pp) |
b6fe0bb8 | 1707 | { |
c4100eae | 1708 | return output_buffer_formatted_text (pp_buffer (pp)); |
b6fe0bb8 GDR |
1709 | } |
1710 | ||
1711 | /* Return a pointer to the last character emitted in PRETTY-PRINTER's | |
1712 | output area. A NULL pointer means no character available. */ | |
1713 | const char * | |
b066401f | 1714 | pp_last_position_in_text (const pretty_printer *pp) |
b6fe0bb8 | 1715 | { |
c4100eae | 1716 | return output_buffer_last_position_in_text (pp_buffer (pp)); |
b6fe0bb8 GDR |
1717 | } |
1718 | ||
1719 | /* Return the amount of characters PRETTY-PRINTER can accept to | |
ba228239 | 1720 | make a full line. Meaningful only in line-wrapping mode. */ |
b6fe0bb8 | 1721 | int |
b066401f | 1722 | pp_remaining_character_count_for_line (pretty_printer *pp) |
b6fe0bb8 | 1723 | { |
025311c4 | 1724 | return pp->maximum_length - pp_buffer (pp)->line_length; |
b6fe0bb8 GDR |
1725 | } |
1726 | ||
1727 | ||
1728 | /* Format a message into BUFFER a la printf. */ | |
1729 | void | |
1730 | pp_printf (pretty_printer *pp, const char *msg, ...) | |
1731 | { | |
1732 | text_info text; | |
1733 | va_list ap; | |
1734 | ||
1735 | va_start (ap, msg); | |
1736 | text.err_no = errno; | |
1737 | text.args_ptr = ≈ | |
1738 | text.format_spec = msg; | |
39ce81c9 ZW |
1739 | pp_format (pp, &text); |
1740 | pp_output_formatted_text (pp); | |
b6fe0bb8 GDR |
1741 | va_end (ap); |
1742 | } | |
1743 | ||
1744 | ||
1745 | /* Output MESSAGE verbatim into BUFFER. */ | |
1746 | void | |
1747 | pp_verbatim (pretty_printer *pp, const char *msg, ...) | |
1748 | { | |
1749 | text_info text; | |
1750 | va_list ap; | |
1751 | ||
1752 | va_start (ap, msg); | |
1753 | text.err_no = errno; | |
1754 | text.args_ptr = ≈ | |
1755 | text.format_spec = msg; | |
1756 | pp_format_verbatim (pp, &text); | |
1757 | va_end (ap); | |
1758 | } | |
1759 | ||
1760 | ||
1761 | ||
1762 | /* Have PRETTY-PRINTER start a new line. */ | |
1763 | void | |
b066401f | 1764 | pp_newline (pretty_printer *pp) |
b6fe0bb8 | 1765 | { |
025311c4 | 1766 | obstack_1grow (pp_buffer (pp)->obstack, '\n'); |
c4669594 | 1767 | pp_needs_newline (pp) = false; |
025311c4 | 1768 | pp_buffer (pp)->line_length = 0; |
b6fe0bb8 GDR |
1769 | } |
1770 | ||
1771 | /* Have PRETTY-PRINTER add a CHARACTER. */ | |
1772 | void | |
b066401f | 1773 | pp_character (pretty_printer *pp, int c) |
b6fe0bb8 GDR |
1774 | { |
1775 | if (pp_is_wrapping_line (pp) | |
ddd0fd17 LH |
1776 | /* If printing UTF-8, don't wrap in the middle of a sequence. */ |
1777 | && (((unsigned int) c) & 0xC0) != 0x80 | |
b6fe0bb8 GDR |
1778 | && pp_remaining_character_count_for_line (pp) <= 0) |
1779 | { | |
1780 | pp_newline (pp); | |
1781 | if (ISSPACE (c)) | |
1782 | return; | |
1783 | } | |
025311c4 GDR |
1784 | obstack_1grow (pp_buffer (pp)->obstack, c); |
1785 | ++pp_buffer (pp)->line_length; | |
b6fe0bb8 GDR |
1786 | } |
1787 | ||
1788 | /* Append a STRING to the output area of PRETTY-PRINTER; the STRING may | |
1789 | be line-wrapped if in appropriate mode. */ | |
1790 | void | |
b066401f | 1791 | pp_string (pretty_printer *pp, const char *str) |
b6fe0bb8 | 1792 | { |
41d9f1e0 MLI |
1793 | gcc_checking_assert (str); |
1794 | pp_maybe_wrap_text (pp, str, str + strlen (str)); | |
b6fe0bb8 GDR |
1795 | } |
1796 | ||
3f0177e7 MS |
1797 | /* Append the leading N characters of STRING to the output area of |
1798 | PRETTY-PRINTER, quoting in hexadecimal non-printable characters. | |
1799 | Setting N = -1 is as if N were set to strlen (STRING). The STRING | |
1800 | may be line-wrapped if in appropriate mode. */ | |
1801 | static void | |
1802 | pp_quoted_string (pretty_printer *pp, const char *str, size_t n /* = -1 */) | |
1803 | { | |
1804 | gcc_checking_assert (str); | |
1805 | ||
1806 | const char *last = str; | |
1807 | const char *ps; | |
1808 | ||
1809 | /* Compute the length if not specified. */ | |
1810 | if (n == (size_t) -1) | |
1811 | n = strlen (str); | |
1812 | ||
1813 | for (ps = str; n; ++ps, --n) | |
1814 | { | |
1815 | if (ISPRINT (*ps)) | |
1816 | continue; | |
1817 | ||
ddd0fd17 LH |
1818 | /* Don't escape a valid UTF-8 extended char. */ |
1819 | const unsigned char *ups = (const unsigned char *) ps; | |
1820 | if (*ups & 0x80) | |
1821 | { | |
1822 | unsigned int extended_char; | |
1823 | const int valid_utf8_len = decode_utf8_char (ups, n, &extended_char); | |
1824 | if (valid_utf8_len > 0) | |
1825 | { | |
1826 | ps += valid_utf8_len - 1; | |
1827 | n -= valid_utf8_len - 1; | |
1828 | continue; | |
1829 | } | |
1830 | } | |
1831 | ||
3f0177e7 | 1832 | if (last < ps) |
ddd0fd17 | 1833 | pp_maybe_wrap_text (pp, last, ps); |
3f0177e7 MS |
1834 | |
1835 | /* Append the hexadecimal value of the character. Allocate a buffer | |
1836 | that's large enough for a 32-bit char plus the hex prefix. */ | |
1837 | char buf [11]; | |
1838 | int n = sprintf (buf, "\\x%02x", (unsigned char)*ps); | |
1839 | pp_maybe_wrap_text (pp, buf, buf + n); | |
1840 | last = ps + 1; | |
1841 | } | |
1842 | ||
1843 | pp_maybe_wrap_text (pp, last, ps); | |
1844 | } | |
1845 | ||
471854f8 | 1846 | /* Maybe print out a whitespace if needed. */ |
b6fe0bb8 | 1847 | |
b9b44fb9 | 1848 | void |
b066401f | 1849 | pp_maybe_space (pretty_printer *pp) |
b9b44fb9 | 1850 | { |
b066401f | 1851 | if (pp->padding != pp_none) |
b9b44fb9 GDR |
1852 | { |
1853 | pp_space (pp); | |
b066401f | 1854 | pp->padding = pp_none; |
b9b44fb9 GDR |
1855 | } |
1856 | } | |
0fc80001 GDR |
1857 | |
1858 | // Add a newline to the pretty printer PP and flush formatted text. | |
1859 | ||
1860 | void | |
1861 | pp_newline_and_flush (pretty_printer *pp) | |
1862 | { | |
1863 | pp_newline (pp); | |
1864 | pp_flush (pp); | |
1865 | pp_needs_newline (pp) = false; | |
1866 | } | |
1867 | ||
1868 | // Add a newline to the pretty printer PP, followed by indentation. | |
1869 | ||
1870 | void | |
1871 | pp_newline_and_indent (pretty_printer *pp, int n) | |
1872 | { | |
1873 | pp_indentation (pp) += n; | |
1874 | pp_newline (pp); | |
1875 | pp_indent (pp); | |
1876 | pp_needs_newline (pp) = false; | |
1877 | } | |
1878 | ||
1879 | // Add separator C, followed by a single whitespace. | |
1880 | ||
1881 | void | |
1882 | pp_separate_with (pretty_printer *pp, char c) | |
1883 | { | |
1884 | pp_character (pp, c); | |
1885 | pp_space (pp); | |
1886 | } | |
1887 | ||
ce95abc4 DM |
1888 | /* Add a localized open quote, and if SHOW_COLOR is true, begin colorizing |
1889 | using the "quote" color. */ | |
1890 | ||
1891 | void | |
1892 | pp_begin_quote (pretty_printer *pp, bool show_color) | |
1893 | { | |
1894 | pp_string (pp, open_quote); | |
1895 | pp_string (pp, colorize_start (show_color, "quote")); | |
1896 | } | |
1897 | ||
1898 | /* If SHOW_COLOR is true, stop colorizing. | |
1899 | Add a localized close quote. */ | |
1900 | ||
1901 | void | |
1902 | pp_end_quote (pretty_printer *pp, bool show_color) | |
1903 | { | |
1904 | pp_string (pp, colorize_stop (show_color)); | |
1905 | pp_string (pp, close_quote); | |
1906 | } | |
1907 | ||
a3af5087 JM |
1908 | \f |
1909 | /* The string starting at P has LEN (at least 1) bytes left; if they | |
1910 | start with a valid UTF-8 sequence, return the length of that | |
1911 | sequence and set *VALUE to the value of that sequence, and | |
1912 | otherwise return 0 and set *VALUE to (unsigned int) -1. */ | |
1913 | ||
1914 | static int | |
1915 | decode_utf8_char (const unsigned char *p, size_t len, unsigned int *value) | |
1916 | { | |
1917 | unsigned int t = *p; | |
1918 | ||
1919 | if (len == 0) | |
1920 | abort (); | |
1921 | if (t & 0x80) | |
1922 | { | |
1923 | size_t utf8_len = 0; | |
1924 | unsigned int ch; | |
1925 | size_t i; | |
1926 | for (t = *p; t & 0x80; t <<= 1) | |
1927 | utf8_len++; | |
1928 | ||
1929 | if (utf8_len > len || utf8_len < 2 || utf8_len > 6) | |
1930 | { | |
1931 | *value = (unsigned int) -1; | |
1932 | return 0; | |
1933 | } | |
1934 | ch = *p & ((1 << (7 - utf8_len)) - 1); | |
1935 | for (i = 1; i < utf8_len; i++) | |
1936 | { | |
1937 | unsigned int u = p[i]; | |
1938 | if ((u & 0xC0) != 0x80) | |
1939 | { | |
1940 | *value = (unsigned int) -1; | |
1941 | return 0; | |
1942 | } | |
1943 | ch = (ch << 6) | (u & 0x3F); | |
1944 | } | |
1945 | if ( (ch <= 0x7F && utf8_len > 1) | |
1946 | || (ch <= 0x7FF && utf8_len > 2) | |
1947 | || (ch <= 0xFFFF && utf8_len > 3) | |
1948 | || (ch <= 0x1FFFFF && utf8_len > 4) | |
1949 | || (ch <= 0x3FFFFFF && utf8_len > 5) | |
1950 | || (ch >= 0xD800 && ch <= 0xDFFF)) | |
1951 | { | |
1952 | *value = (unsigned int) -1; | |
1953 | return 0; | |
1954 | } | |
1955 | *value = ch; | |
1956 | return utf8_len; | |
1957 | } | |
1958 | else | |
1959 | { | |
1960 | *value = t; | |
1961 | return 1; | |
1962 | } | |
1963 | } | |
1964 | ||
ab9b814d JM |
1965 | /* Allocator for identifier_to_locale and corresponding function to |
1966 | free memory. */ | |
1967 | ||
1968 | void *(*identifier_to_locale_alloc) (size_t) = xmalloc; | |
1969 | void (*identifier_to_locale_free) (void *) = free; | |
1970 | ||
a3af5087 JM |
1971 | /* Given IDENT, an identifier in the internal encoding, return a |
1972 | version of IDENT suitable for diagnostics in the locale character | |
ab9b814d JM |
1973 | set: either IDENT itself, or a string, allocated using |
1974 | identifier_to_locale_alloc, converted to the locale character set | |
1975 | and using escape sequences if not representable in the locale | |
1976 | character set or containing control characters or invalid byte | |
1977 | sequences. Existing backslashes in IDENT are not doubled, so the | |
1978 | result may not uniquely specify the contents of an arbitrary byte | |
1979 | sequence identifier. */ | |
a3af5087 JM |
1980 | |
1981 | const char * | |
1982 | identifier_to_locale (const char *ident) | |
1983 | { | |
1984 | const unsigned char *uid = (const unsigned char *) ident; | |
1985 | size_t idlen = strlen (ident); | |
1986 | bool valid_printable_utf8 = true; | |
1987 | bool all_ascii = true; | |
1988 | size_t i; | |
1989 | ||
1990 | for (i = 0; i < idlen;) | |
1991 | { | |
1992 | unsigned int c; | |
1993 | size_t utf8_len = decode_utf8_char (&uid[i], idlen - i, &c); | |
1994 | if (utf8_len == 0 || c <= 0x1F || (c >= 0x7F && c <= 0x9F)) | |
1995 | { | |
1996 | valid_printable_utf8 = false; | |
1997 | break; | |
1998 | } | |
1999 | if (utf8_len > 1) | |
2000 | all_ascii = false; | |
2001 | i += utf8_len; | |
2002 | } | |
2003 | ||
2004 | /* If IDENT contains invalid UTF-8 sequences (which may occur with | |
2005 | attributes putting arbitrary byte sequences in identifiers), or | |
2006 | control characters, we use octal escape sequences for all bytes | |
2007 | outside printable ASCII. */ | |
2008 | if (!valid_printable_utf8) | |
2009 | { | |
ab9b814d | 2010 | char *ret = (char *) identifier_to_locale_alloc (4 * idlen + 1); |
a3af5087 JM |
2011 | char *p = ret; |
2012 | for (i = 0; i < idlen; i++) | |
2013 | { | |
2014 | if (uid[i] > 0x1F && uid[i] < 0x7F) | |
2015 | *p++ = uid[i]; | |
2016 | else | |
2017 | { | |
2018 | sprintf (p, "\\%03o", uid[i]); | |
2019 | p += 4; | |
2020 | } | |
2021 | } | |
2022 | *p = 0; | |
2023 | return ret; | |
2024 | } | |
2025 | ||
2026 | /* Otherwise, if it is valid printable ASCII, or printable UTF-8 | |
2027 | with the locale character set being UTF-8, IDENT is used. */ | |
2028 | if (all_ascii || locale_utf8) | |
2029 | return ident; | |
2030 | ||
2031 | /* Otherwise IDENT is converted to the locale character set if | |
2032 | possible. */ | |
2033 | #if defined ENABLE_NLS && defined HAVE_LANGINFO_CODESET && HAVE_ICONV | |
2034 | if (locale_encoding != NULL) | |
2035 | { | |
2036 | iconv_t cd = iconv_open (locale_encoding, "UTF-8"); | |
2037 | bool conversion_ok = true; | |
2038 | char *ret = NULL; | |
2039 | if (cd != (iconv_t) -1) | |
2040 | { | |
2041 | size_t ret_alloc = 4 * idlen + 1; | |
2042 | for (;;) | |
2043 | { | |
2044 | /* Repeat the whole conversion process as needed with | |
2045 | larger buffers so non-reversible transformations can | |
2046 | always be detected. */ | |
2047 | ICONV_CONST char *inbuf = CONST_CAST (char *, ident); | |
2048 | char *outbuf; | |
2049 | size_t inbytesleft = idlen; | |
2050 | size_t outbytesleft = ret_alloc - 1; | |
2051 | size_t iconv_ret; | |
2052 | ||
ab9b814d | 2053 | ret = (char *) identifier_to_locale_alloc (ret_alloc); |
a3af5087 JM |
2054 | outbuf = ret; |
2055 | ||
2056 | if (iconv (cd, 0, 0, 0, 0) == (size_t) -1) | |
2057 | { | |
2058 | conversion_ok = false; | |
2059 | break; | |
2060 | } | |
2061 | ||
2062 | iconv_ret = iconv (cd, &inbuf, &inbytesleft, | |
2063 | &outbuf, &outbytesleft); | |
2064 | if (iconv_ret == (size_t) -1 || inbytesleft != 0) | |
2065 | { | |
2066 | if (errno == E2BIG) | |
2067 | { | |
2068 | ret_alloc *= 2; | |
ab9b814d | 2069 | identifier_to_locale_free (ret); |
a3af5087 JM |
2070 | ret = NULL; |
2071 | continue; | |
2072 | } | |
2073 | else | |
2074 | { | |
2075 | conversion_ok = false; | |
2076 | break; | |
2077 | } | |
2078 | } | |
2079 | else if (iconv_ret != 0) | |
2080 | { | |
2081 | conversion_ok = false; | |
2082 | break; | |
2083 | } | |
2084 | /* Return to initial shift state. */ | |
2085 | if (iconv (cd, 0, 0, &outbuf, &outbytesleft) == (size_t) -1) | |
2086 | { | |
2087 | if (errno == E2BIG) | |
2088 | { | |
2089 | ret_alloc *= 2; | |
ab9b814d | 2090 | identifier_to_locale_free (ret); |
a3af5087 JM |
2091 | ret = NULL; |
2092 | continue; | |
2093 | } | |
2094 | else | |
2095 | { | |
2096 | conversion_ok = false; | |
2097 | break; | |
2098 | } | |
2099 | } | |
2100 | *outbuf = 0; | |
2101 | break; | |
2102 | } | |
2103 | iconv_close (cd); | |
2104 | if (conversion_ok) | |
2105 | return ret; | |
2106 | } | |
2107 | } | |
2108 | #endif | |
2109 | ||
2110 | /* Otherwise, convert non-ASCII characters in IDENT to UCNs. */ | |
2111 | { | |
ab9b814d | 2112 | char *ret = (char *) identifier_to_locale_alloc (10 * idlen + 1); |
a3af5087 JM |
2113 | char *p = ret; |
2114 | for (i = 0; i < idlen;) | |
2115 | { | |
2116 | unsigned int c; | |
2117 | size_t utf8_len = decode_utf8_char (&uid[i], idlen - i, &c); | |
2118 | if (utf8_len == 1) | |
2119 | *p++ = uid[i]; | |
2120 | else | |
2121 | { | |
2122 | sprintf (p, "\\U%08x", c); | |
2123 | p += 10; | |
2124 | } | |
2125 | i += utf8_len; | |
2126 | } | |
2127 | *p = 0; | |
2128 | return ret; | |
2129 | } | |
2130 | } | |
4ccab56d | 2131 | |
d2608235 DM |
2132 | /* Support for encoding URLs. |
2133 | See egmontkob/Hyperlinks_in_Terminal_Emulators.md | |
2134 | ( https://gist.github.com/egmontkob/eb114294efbcd5adb1944c9f3cb5feda ). | |
2135 | ||
2136 | > A hyperlink is opened upon encountering an OSC 8 escape sequence with | |
2137 | > the target URI. The syntax is | |
2138 | > | |
2139 | > OSC 8 ; params ; URI ST | |
2140 | > | |
2141 | > A hyperlink is closed with the same escape sequence, omitting the | |
2142 | > parameters and the URI but keeping the separators: | |
2143 | > | |
2144 | > OSC 8 ; ; ST | |
2145 | > | |
ae169f9e TB |
2146 | > OSC (operating system command) is typically ESC ]. |
2147 | ||
2148 | Use BEL instead of ST, as that is currently rendered better in some | |
2149 | terminal emulators that don't support OSC 8, like konsole. */ | |
d2608235 DM |
2150 | |
2151 | /* If URL-printing is enabled, write an "open URL" escape sequence to PP | |
2152 | for the given URL. */ | |
2153 | ||
2154 | void | |
2155 | pp_begin_url (pretty_printer *pp, const char *url) | |
2156 | { | |
2157 | if (pp->show_urls) | |
ae169f9e | 2158 | pp_printf (pp, "\33]8;;%s\a", url); |
d2608235 DM |
2159 | } |
2160 | ||
2161 | /* If URL-printing is enabled, write a "close URL" escape sequence to PP. */ | |
2162 | ||
2163 | void | |
2164 | pp_end_url (pretty_printer *pp) | |
2165 | { | |
2166 | if (pp->show_urls) | |
ae169f9e | 2167 | pp_string (pp, "\33]8;;\a"); |
d2608235 DM |
2168 | } |
2169 | ||
4ccab56d DM |
2170 | #if CHECKING_P |
2171 | ||
2172 | namespace selftest { | |
2173 | ||
2174 | /* Smoketest for pretty_printer. */ | |
2175 | ||
2176 | static void | |
2177 | test_basic_printing () | |
2178 | { | |
2179 | pretty_printer pp; | |
2180 | pp_string (&pp, "hello"); | |
2181 | pp_space (&pp); | |
2182 | pp_string (&pp, "world"); | |
2183 | ||
2184 | ASSERT_STREQ ("hello world", pp_formatted_text (&pp)); | |
2185 | } | |
2186 | ||
2187 | /* Helper function for testing pp_format. | |
2188 | Verify that pp_format (FMT, ...) followed by pp_output_formatted_text | |
2189 | prints EXPECTED, assuming that pp_show_color is SHOW_COLOR. */ | |
2190 | ||
2191 | static void | |
09765e3a DM |
2192 | assert_pp_format_va (const location &loc, const char *expected, |
2193 | bool show_color, const char *fmt, va_list *ap) | |
4ccab56d DM |
2194 | { |
2195 | pretty_printer pp; | |
2196 | text_info ti; | |
2197 | rich_location rich_loc (line_table, UNKNOWN_LOCATION); | |
2198 | ||
2199 | ti.format_spec = fmt; | |
2200 | ti.args_ptr = ap; | |
2201 | ti.err_no = 0; | |
2202 | ti.x_data = NULL; | |
2203 | ti.m_richloc = &rich_loc; | |
2204 | ||
2205 | pp_show_color (&pp) = show_color; | |
2206 | pp_format (&pp, &ti); | |
2207 | pp_output_formatted_text (&pp); | |
09765e3a | 2208 | ASSERT_STREQ_AT (loc, expected, pp_formatted_text (&pp)); |
4ccab56d DM |
2209 | } |
2210 | ||
2211 | /* Verify that pp_format (FMT, ...) followed by pp_output_formatted_text | |
2212 | prints EXPECTED, with show_color disabled. */ | |
2213 | ||
2214 | static void | |
09765e3a DM |
2215 | assert_pp_format (const location &loc, const char *expected, |
2216 | const char *fmt, ...) | |
4ccab56d DM |
2217 | { |
2218 | va_list ap; | |
2219 | ||
2220 | va_start (ap, fmt); | |
09765e3a | 2221 | assert_pp_format_va (loc, expected, false, fmt, &ap); |
4ccab56d DM |
2222 | va_end (ap); |
2223 | } | |
2224 | ||
2225 | /* As above, but with colorization enabled. */ | |
2226 | ||
2227 | static void | |
09765e3a DM |
2228 | assert_pp_format_colored (const location &loc, const char *expected, |
2229 | const char *fmt, ...) | |
4ccab56d | 2230 | { |
2fe00b1f DM |
2231 | /* The tests of colorization assume the default color scheme. |
2232 | If GCC_COLORS is set, then the colors have potentially been | |
2233 | overridden; skip the test. */ | |
2234 | if (getenv ("GCC_COLORS")) | |
2235 | return; | |
2236 | ||
4ccab56d DM |
2237 | va_list ap; |
2238 | ||
2239 | va_start (ap, fmt); | |
09765e3a | 2240 | assert_pp_format_va (loc, expected, true, fmt, &ap); |
4ccab56d DM |
2241 | va_end (ap); |
2242 | } | |
2243 | ||
09765e3a DM |
2244 | /* Helper function for calling testing pp_format, |
2245 | by calling assert_pp_format with various numbers of arguments. | |
2246 | These exist mostly to avoid having to write SELFTEST_LOCATION | |
2247 | throughout test_pp_format. */ | |
2248 | ||
2249 | #define ASSERT_PP_FORMAT_1(EXPECTED, FMT, ARG1) \ | |
2250 | SELFTEST_BEGIN_STMT \ | |
2251 | assert_pp_format ((SELFTEST_LOCATION), (EXPECTED), (FMT), \ | |
2252 | (ARG1)); \ | |
2253 | SELFTEST_END_STMT | |
2254 | ||
2255 | #define ASSERT_PP_FORMAT_2(EXPECTED, FMT, ARG1, ARG2) \ | |
2256 | SELFTEST_BEGIN_STMT \ | |
2257 | assert_pp_format ((SELFTEST_LOCATION), (EXPECTED), (FMT), \ | |
2258 | (ARG1), (ARG2)); \ | |
2259 | SELFTEST_END_STMT | |
2260 | ||
2261 | #define ASSERT_PP_FORMAT_3(EXPECTED, FMT, ARG1, ARG2, ARG3) \ | |
2262 | SELFTEST_BEGIN_STMT \ | |
2263 | assert_pp_format ((SELFTEST_LOCATION), (EXPECTED), (FMT), \ | |
2264 | (ARG1), (ARG2), (ARG3)); \ | |
2265 | SELFTEST_END_STMT | |
2266 | ||
4ccab56d DM |
2267 | /* Verify that pp_format works, for various format codes. */ |
2268 | ||
2269 | static void | |
2270 | test_pp_format () | |
2271 | { | |
2272 | /* Avoid introducing locale-specific differences in the results | |
2273 | by hardcoding open_quote and close_quote. */ | |
dbf96d49 | 2274 | auto_fix_quotes fix_quotes; |
4ccab56d DM |
2275 | |
2276 | /* Verify that plain text is passed through unchanged. */ | |
09765e3a | 2277 | assert_pp_format (SELFTEST_LOCATION, "unformatted", "unformatted"); |
4ccab56d DM |
2278 | |
2279 | /* Verify various individual format codes, in the order listed in the | |
2280 | comment for pp_format above. For each code, we append a second | |
2281 | argument with a known bit pattern (0x12345678), to ensure that we | |
2282 | are consuming arguments correctly. */ | |
09765e3a DM |
2283 | ASSERT_PP_FORMAT_2 ("-27 12345678", "%d %x", -27, 0x12345678); |
2284 | ASSERT_PP_FORMAT_2 ("-5 12345678", "%i %x", -5, 0x12345678); | |
2285 | ASSERT_PP_FORMAT_2 ("10 12345678", "%u %x", 10, 0x12345678); | |
2286 | ASSERT_PP_FORMAT_2 ("17 12345678", "%o %x", 15, 0x12345678); | |
2287 | ASSERT_PP_FORMAT_2 ("cafebabe 12345678", "%x %x", 0xcafebabe, 0x12345678); | |
2288 | ASSERT_PP_FORMAT_2 ("-27 12345678", "%ld %x", (long)-27, 0x12345678); | |
2289 | ASSERT_PP_FORMAT_2 ("-5 12345678", "%li %x", (long)-5, 0x12345678); | |
2290 | ASSERT_PP_FORMAT_2 ("10 12345678", "%lu %x", (long)10, 0x12345678); | |
2291 | ASSERT_PP_FORMAT_2 ("17 12345678", "%lo %x", (long)15, 0x12345678); | |
2292 | ASSERT_PP_FORMAT_2 ("cafebabe 12345678", "%lx %x", (long)0xcafebabe, | |
2293 | 0x12345678); | |
2294 | ASSERT_PP_FORMAT_2 ("-27 12345678", "%lld %x", (long long)-27, 0x12345678); | |
2295 | ASSERT_PP_FORMAT_2 ("-5 12345678", "%lli %x", (long long)-5, 0x12345678); | |
2296 | ASSERT_PP_FORMAT_2 ("10 12345678", "%llu %x", (long long)10, 0x12345678); | |
2297 | ASSERT_PP_FORMAT_2 ("17 12345678", "%llo %x", (long long)15, 0x12345678); | |
2298 | ASSERT_PP_FORMAT_2 ("cafebabe 12345678", "%llx %x", (long long)0xcafebabe, | |
2299 | 0x12345678); | |
2300 | ASSERT_PP_FORMAT_2 ("-27 12345678", "%wd %x", (HOST_WIDE_INT)-27, 0x12345678); | |
2301 | ASSERT_PP_FORMAT_2 ("-5 12345678", "%wi %x", (HOST_WIDE_INT)-5, 0x12345678); | |
2302 | ASSERT_PP_FORMAT_2 ("10 12345678", "%wu %x", (unsigned HOST_WIDE_INT)10, | |
2303 | 0x12345678); | |
2304 | ASSERT_PP_FORMAT_2 ("17 12345678", "%wo %x", (HOST_WIDE_INT)15, 0x12345678); | |
2305 | ASSERT_PP_FORMAT_2 ("0xcafebabe 12345678", "%wx %x", (HOST_WIDE_INT)0xcafebabe, | |
2306 | 0x12345678); | |
204839e7 | 2307 | ASSERT_PP_FORMAT_2 ("1.000000 12345678", "%f %x", 1.0, 0x12345678); |
09765e3a DM |
2308 | ASSERT_PP_FORMAT_2 ("A 12345678", "%c %x", 'A', 0x12345678); |
2309 | ASSERT_PP_FORMAT_2 ("hello world 12345678", "%s %x", "hello world", | |
2310 | 0x12345678); | |
86ef85d3 MS |
2311 | |
2312 | /* Not nul-terminated. */ | |
2313 | char arr[5] = { '1', '2', '3', '4', '5' }; | |
2314 | ASSERT_PP_FORMAT_3 ("123 12345678", "%.*s %x", 3, arr, 0x12345678); | |
2315 | ASSERT_PP_FORMAT_3 ("1234 12345678", "%.*s %x", -1, "1234", 0x12345678); | |
2316 | ASSERT_PP_FORMAT_3 ("12345 12345678", "%.*s %x", 7, "12345", 0x12345678); | |
2317 | ||
914bc2b9 DM |
2318 | /* We can't test for %p; the pointer is printed in an implementation-defined |
2319 | manner. */ | |
09765e3a DM |
2320 | ASSERT_PP_FORMAT_2 ("normal colored normal 12345678", |
2321 | "normal %rcolored%R normal %x", | |
2322 | "error", 0x12345678); | |
4ccab56d | 2323 | assert_pp_format_colored |
09765e3a DM |
2324 | (SELFTEST_LOCATION, |
2325 | "normal \33[01;31m\33[Kcolored\33[m\33[K normal 12345678", | |
4ccab56d DM |
2326 | "normal %rcolored%R normal %x", "error", 0x12345678); |
2327 | /* TODO: | |
2328 | %m: strerror(text->err_no) - does not consume a value from args_ptr. */ | |
09765e3a DM |
2329 | ASSERT_PP_FORMAT_1 ("% 12345678", "%% %x", 0x12345678); |
2330 | ASSERT_PP_FORMAT_1 ("` 12345678", "%< %x", 0x12345678); | |
2331 | ASSERT_PP_FORMAT_1 ("' 12345678", "%> %x", 0x12345678); | |
2332 | ASSERT_PP_FORMAT_1 ("' 12345678", "%' %x", 0x12345678); | |
2333 | ASSERT_PP_FORMAT_3 ("abc 12345678", "%.*s %x", 3, "abcdef", 0x12345678); | |
2334 | ASSERT_PP_FORMAT_2 ("abc 12345678", "%.3s %x", "abcdef", 0x12345678); | |
4ccab56d DM |
2335 | |
2336 | /* Verify flag 'q'. */ | |
09765e3a DM |
2337 | ASSERT_PP_FORMAT_2 ("`foo' 12345678", "%qs %x", "foo", 0x12345678); |
2338 | assert_pp_format_colored (SELFTEST_LOCATION, | |
2339 | "`\33[01m\33[Kfoo\33[m\33[K' 12345678", "%qs %x", | |
4ccab56d DM |
2340 | "foo", 0x12345678); |
2341 | ||
975672f3 PK |
2342 | /* Verify %Z. */ |
2343 | int v[] = { 1, 2, 3 }; | |
2344 | ASSERT_PP_FORMAT_3 ("1, 2, 3 12345678", "%Z %x", v, 3, 0x12345678); | |
2345 | ||
2346 | int v2[] = { 0 }; | |
2347 | ASSERT_PP_FORMAT_3 ("0 12345678", "%Z %x", v2, 1, 0x12345678); | |
2348 | ||
4ccab56d | 2349 | /* Verify that combinations work, along with unformatted text. */ |
09765e3a DM |
2350 | assert_pp_format (SELFTEST_LOCATION, |
2351 | "the quick brown fox jumps over the lazy dog", | |
4ccab56d DM |
2352 | "the %s %s %s jumps over the %s %s", |
2353 | "quick", "brown", "fox", "lazy", "dog"); | |
09765e3a DM |
2354 | assert_pp_format (SELFTEST_LOCATION, "item 3 of 7", "item %i of %i", 3, 7); |
2355 | assert_pp_format (SELFTEST_LOCATION, "problem with `bar' at line 10", | |
4ccab56d | 2356 | "problem with %qs at line %i", "bar", 10); |
4ccab56d DM |
2357 | } |
2358 | ||
553a316b DM |
2359 | /* A subclass of pretty_printer for use by test_prefixes_and_wrapping. */ |
2360 | ||
2361 | class test_pretty_printer : public pretty_printer | |
2362 | { | |
2363 | public: | |
2364 | test_pretty_printer (enum diagnostic_prefixing_rule_t rule, | |
2365 | int max_line_length) | |
2366 | { | |
2367 | pp_set_prefix (this, xstrdup ("PREFIX: ")); | |
2368 | wrapping.rule = rule; | |
2369 | pp_set_line_maximum_length (this, max_line_length); | |
2370 | } | |
2371 | }; | |
2372 | ||
2373 | /* Verify that the various values of enum diagnostic_prefixing_rule_t work | |
2374 | as expected, with and without line wrapping. */ | |
2375 | ||
2376 | static void | |
2377 | test_prefixes_and_wrapping () | |
2378 | { | |
2379 | /* Tests of the various prefixing rules, without wrapping. | |
2380 | Newlines embedded in pp_string don't affect it; we have to | |
2381 | explicitly call pp_newline. */ | |
2382 | { | |
2383 | test_pretty_printer pp (DIAGNOSTICS_SHOW_PREFIX_ONCE, 0); | |
2384 | pp_string (&pp, "the quick brown fox"); | |
2385 | pp_newline (&pp); | |
2386 | pp_string (&pp, "jumps over the lazy dog"); | |
2387 | pp_newline (&pp); | |
2388 | ASSERT_STREQ (pp_formatted_text (&pp), | |
2389 | "PREFIX: the quick brown fox\n" | |
2390 | " jumps over the lazy dog\n"); | |
2391 | } | |
2392 | { | |
2393 | test_pretty_printer pp (DIAGNOSTICS_SHOW_PREFIX_NEVER, 0); | |
2394 | pp_string (&pp, "the quick brown fox"); | |
2395 | pp_newline (&pp); | |
2396 | pp_string (&pp, "jumps over the lazy dog"); | |
2397 | pp_newline (&pp); | |
2398 | ASSERT_STREQ (pp_formatted_text (&pp), | |
2399 | "the quick brown fox\n" | |
2400 | "jumps over the lazy dog\n"); | |
2401 | } | |
2402 | { | |
2403 | test_pretty_printer pp (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE, 0); | |
2404 | pp_string (&pp, "the quick brown fox"); | |
2405 | pp_newline (&pp); | |
2406 | pp_string (&pp, "jumps over the lazy dog"); | |
2407 | pp_newline (&pp); | |
2408 | ASSERT_STREQ (pp_formatted_text (&pp), | |
2409 | "PREFIX: the quick brown fox\n" | |
2410 | "PREFIX: jumps over the lazy dog\n"); | |
2411 | } | |
2412 | ||
2413 | /* Tests of the various prefixing rules, with wrapping. */ | |
2414 | { | |
2415 | test_pretty_printer pp (DIAGNOSTICS_SHOW_PREFIX_ONCE, 20); | |
2416 | pp_string (&pp, "the quick brown fox jumps over the lazy dog"); | |
2417 | pp_newline (&pp); | |
2418 | pp_string (&pp, "able was I ere I saw elba"); | |
2419 | pp_newline (&pp); | |
2420 | ASSERT_STREQ (pp_formatted_text (&pp), | |
2421 | "PREFIX: the quick \n" | |
2422 | " brown fox jumps \n" | |
2423 | " over the lazy \n" | |
2424 | " dog\n" | |
2425 | " able was I ere I \n" | |
2426 | " saw elba\n"); | |
2427 | } | |
2428 | { | |
2429 | test_pretty_printer pp (DIAGNOSTICS_SHOW_PREFIX_NEVER, 20); | |
2430 | pp_string (&pp, "the quick brown fox jumps over the lazy dog"); | |
2431 | pp_newline (&pp); | |
2432 | pp_string (&pp, "able was I ere I saw elba"); | |
2433 | pp_newline (&pp); | |
2434 | ASSERT_STREQ (pp_formatted_text (&pp), | |
2435 | "the quick brown fox \n" | |
2436 | "jumps over the lazy \n" | |
2437 | "dog\n" | |
2438 | "able was I ere I \n" | |
2439 | "saw elba\n"); | |
2440 | } | |
2441 | { | |
2442 | test_pretty_printer pp (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE, 20); | |
2443 | pp_string (&pp, "the quick brown fox jumps over the lazy dog"); | |
2444 | pp_newline (&pp); | |
2445 | pp_string (&pp, "able was I ere I saw elba"); | |
2446 | pp_newline (&pp); | |
2447 | ASSERT_STREQ (pp_formatted_text (&pp), | |
2448 | "PREFIX: the quick brown fox jumps over the lazy dog\n" | |
2449 | "PREFIX: able was I ere I saw elba\n"); | |
2450 | } | |
2451 | ||
2452 | } | |
2453 | ||
d2608235 DM |
2454 | /* Verify that URL-printing works as expected. */ |
2455 | ||
2456 | void | |
2457 | test_urls () | |
2458 | { | |
2459 | { | |
2460 | pretty_printer pp; | |
2461 | pp.show_urls = false; | |
2462 | pp_begin_url (&pp, "http://example.com"); | |
2463 | pp_string (&pp, "This is a link"); | |
2464 | pp_end_url (&pp); | |
2465 | ASSERT_STREQ ("This is a link", | |
2466 | pp_formatted_text (&pp)); | |
2467 | } | |
2468 | ||
2469 | { | |
2470 | pretty_printer pp; | |
2471 | pp.show_urls = true; | |
2472 | pp_begin_url (&pp, "http://example.com"); | |
2473 | pp_string (&pp, "This is a link"); | |
2474 | pp_end_url (&pp); | |
ae169f9e | 2475 | ASSERT_STREQ ("\33]8;;http://example.com\aThis is a link\33]8;;\a", |
d2608235 DM |
2476 | pp_formatted_text (&pp)); |
2477 | } | |
2478 | } | |
2479 | ||
ddd0fd17 LH |
2480 | /* Test multibyte awareness. */ |
2481 | static void test_utf8 () | |
2482 | { | |
2483 | ||
2484 | /* Check that pp_quoted_string leaves valid UTF-8 alone. */ | |
2485 | { | |
2486 | pretty_printer pp; | |
2487 | const char *s = "\xf0\x9f\x98\x82"; | |
2488 | pp_quoted_string (&pp, s); | |
2489 | ASSERT_STREQ (pp_formatted_text (&pp), s); | |
2490 | } | |
2491 | ||
2492 | /* Check that pp_quoted_string escapes non-UTF-8 nonprintable bytes. */ | |
2493 | { | |
2494 | pretty_printer pp; | |
2495 | pp_quoted_string (&pp, "\xf0!\x9f\x98\x82"); | |
2496 | ASSERT_STREQ (pp_formatted_text (&pp), | |
2497 | "\\xf0!\\x9f\\x98\\x82"); | |
2498 | } | |
2499 | ||
2500 | /* Check that pp_character will line-wrap at the beginning of a UTF-8 | |
2501 | sequence, but not in the middle. */ | |
2502 | { | |
2503 | pretty_printer pp (3); | |
2504 | const char s[] = "---\xf0\x9f\x98\x82"; | |
2505 | for (int i = 0; i != sizeof (s) - 1; ++i) | |
2506 | pp_character (&pp, s[i]); | |
2507 | pp_newline (&pp); | |
2508 | for (int i = 1; i != sizeof (s) - 1; ++i) | |
2509 | pp_character (&pp, s[i]); | |
2510 | pp_character (&pp, '-'); | |
2511 | ASSERT_STREQ (pp_formatted_text (&pp), | |
2512 | "---\n" | |
2513 | "\xf0\x9f\x98\x82\n" | |
2514 | "--\xf0\x9f\x98\x82\n" | |
2515 | "-"); | |
2516 | } | |
2517 | ||
2518 | } | |
2519 | ||
4ccab56d DM |
2520 | /* Run all of the selftests within this file. */ |
2521 | ||
2522 | void | |
2523 | pretty_print_c_tests () | |
2524 | { | |
2525 | test_basic_printing (); | |
2526 | test_pp_format (); | |
553a316b | 2527 | test_prefixes_and_wrapping (); |
d2608235 | 2528 | test_urls (); |
ddd0fd17 | 2529 | test_utf8 (); |
4ccab56d DM |
2530 | } |
2531 | ||
2532 | } // namespace selftest | |
2533 | ||
2534 | #endif /* CHECKING_P */ |