Mercurial > hg > CbC > CbC_gcc
annotate gcc/pretty-print.c @ 158:494b0b89df80 default tip
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| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 25 May 2020 18:13:55 +0900 |
| parents | 1830386684a0 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* Various declarations for language-independent pretty-print subroutines. |
| 145 | 2 Copyright (C) 2003-2020 Free Software Foundation, Inc. |
| 0 | 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 | |
| 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 #include "system.h" | |
| 23 #include "coretypes.h" | |
| 24 #include "intl.h" | |
| 25 #include "pretty-print.h" | |
| 111 | 26 #include "diagnostic-color.h" |
| 145 | 27 #include "diagnostic-event-id.h" |
| 111 | 28 #include "selftest.h" |
|
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29 |
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30 #if HAVE_ICONV |
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31 #include <iconv.h> |
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32 #endif |
| 0 | 33 |
| 111 | 34 #ifdef __MINGW32__ |
| 35 | |
| 36 /* Replacement for fputs() that handles ANSI escape codes on Windows NT. | |
| 37 Contributed by: Liu Hao (lh_mouse at 126 dot com) | |
| 38 | |
| 39 XXX: This file is compiled into libcommon.a that will be self-contained. | |
| 40 It looks like that these functions can be put nowhere else. */ | |
| 41 | |
| 42 #include <io.h> | |
| 43 #define WIN32_LEAN_AND_MEAN 1 | |
| 44 #include <windows.h> | |
| 45 | |
| 46 /* Write all bytes in [s,s+n) into the specified stream. | |
| 47 Errors are ignored. */ | |
| 48 static void | |
| 49 write_all (HANDLE h, const char *s, size_t n) | |
| 50 { | |
| 51 size_t rem = n; | |
| 52 DWORD step; | |
| 53 | |
| 54 while (rem != 0) | |
| 55 { | |
| 56 if (rem <= UINT_MAX) | |
| 57 step = rem; | |
| 58 else | |
| 59 step = UINT_MAX; | |
| 60 if (!WriteFile (h, s + n - rem, step, &step, NULL)) | |
| 61 break; | |
| 62 rem -= step; | |
| 63 } | |
| 64 } | |
| 65 | |
| 66 /* Find the beginning of an escape sequence. | |
| 67 There are two cases: | |
| 68 1. If the sequence begins with an ESC character (0x1B) and a second | |
| 69 character X in [0x40,0x5F], returns X and stores a pointer to | |
| 70 the third character into *head. | |
| 71 2. If the sequence begins with a character X in [0x80,0x9F], returns | |
| 72 (X-0x40) and stores a pointer to the second character into *head. | |
| 73 Stores the number of ESC character(s) in *prefix_len. | |
| 74 Returns 0 if no such sequence can be found. */ | |
| 75 static int | |
| 76 find_esc_head (int *prefix_len, const char **head, const char *str) | |
| 77 { | |
| 78 int c; | |
| 79 const char *r = str; | |
| 80 int escaped = 0; | |
| 81 | |
| 82 for (;;) | |
| 83 { | |
| 84 c = (unsigned char) *r; | |
| 85 if (c == 0) | |
| 86 { | |
| 87 /* Not found. */ | |
| 88 return 0; | |
| 89 } | |
| 90 if (escaped && 0x40 <= c && c <= 0x5F) | |
| 91 { | |
| 92 /* Found (case 1). */ | |
| 93 *prefix_len = 2; | |
| 94 *head = r + 1; | |
| 95 return c; | |
| 96 } | |
| 97 if (0x80 <= c && c <= 0x9F) | |
| 98 { | |
| 99 /* Found (case 2). */ | |
| 100 *prefix_len = 1; | |
| 101 *head = r + 1; | |
| 102 return c - 0x40; | |
| 103 } | |
| 104 ++r; | |
| 105 escaped = c == 0x1B; | |
| 106 } | |
| 107 } | |
| 108 | |
| 109 /* Find the terminator of an escape sequence. | |
| 110 str should be the value stored in *head by a previous successful | |
| 111 call to find_esc_head(). | |
| 112 Returns 0 if no such sequence can be found. */ | |
| 113 static int | |
| 114 find_esc_terminator (const char **term, const char *str) | |
| 115 { | |
| 116 int c; | |
| 117 const char *r = str; | |
| 118 | |
| 119 for (;;) | |
| 120 { | |
| 121 c = (unsigned char) *r; | |
| 122 if (c == 0) | |
| 123 { | |
| 124 /* Not found. */ | |
| 125 return 0; | |
| 126 } | |
| 127 if (0x40 <= c && c <= 0x7E) | |
| 128 { | |
| 129 /* Found. */ | |
| 130 *term = r; | |
| 131 return c; | |
| 132 } | |
| 133 ++r; | |
| 134 } | |
| 135 } | |
| 136 | |
| 137 /* Handle a sequence of codes. Sequences that are invalid, reserved, | |
| 138 unrecognized or unimplemented are ignored silently. | |
| 139 There isn't much we can do because of lameness of Windows consoles. */ | |
| 140 static void | |
| 141 eat_esc_sequence (HANDLE h, int esc_code, | |
| 142 const char *esc_head, const char *esc_term) | |
| 143 { | |
| 144 /* Numbers in an escape sequence cannot be negative, because | |
| 145 a minus sign in the middle of it would have terminated it. */ | |
| 146 long n1, n2; | |
| 147 char *eptr, *delim; | |
| 148 CONSOLE_SCREEN_BUFFER_INFO sb; | |
| 149 COORD cr; | |
| 150 /* ED and EL parameters. */ | |
| 151 DWORD cnt, step; | |
| 152 long rows; | |
| 153 /* SGR parameters. */ | |
| 154 WORD attrib_add, attrib_rm; | |
| 155 const char *param; | |
| 156 | |
| 157 switch (MAKEWORD (esc_code, *esc_term)) | |
| 158 { | |
| 159 /* ESC [ n1 'A' | |
| 160 Move the cursor up by n1 characters. */ | |
| 161 case MAKEWORD ('[', 'A'): | |
| 162 if (esc_head == esc_term) | |
| 163 n1 = 1; | |
| 164 else | |
| 165 { | |
| 166 n1 = strtol (esc_head, &eptr, 10); | |
| 167 if (eptr != esc_term) | |
| 168 break; | |
| 169 } | |
| 170 | |
| 171 if (GetConsoleScreenBufferInfo (h, &sb)) | |
| 172 { | |
| 173 cr = sb.dwCursorPosition; | |
| 174 /* Stop at the topmost boundary. */ | |
| 175 if (cr.Y > n1) | |
| 176 cr.Y -= n1; | |
| 177 else | |
| 178 cr.Y = 0; | |
| 179 SetConsoleCursorPosition (h, cr); | |
| 180 } | |
| 181 break; | |
| 182 | |
| 183 /* ESC [ n1 'B' | |
| 184 Move the cursor down by n1 characters. */ | |
| 185 case MAKEWORD ('[', 'B'): | |
| 186 if (esc_head == esc_term) | |
| 187 n1 = 1; | |
| 188 else | |
| 189 { | |
| 190 n1 = strtol (esc_head, &eptr, 10); | |
| 191 if (eptr != esc_term) | |
| 192 break; | |
| 193 } | |
| 194 | |
| 195 if (GetConsoleScreenBufferInfo (h, &sb)) | |
| 196 { | |
| 197 cr = sb.dwCursorPosition; | |
| 198 /* Stop at the bottommost boundary. */ | |
| 199 if (sb.dwSize.Y - cr.Y > n1) | |
| 200 cr.Y += n1; | |
| 201 else | |
| 202 cr.Y = sb.dwSize.Y; | |
| 203 SetConsoleCursorPosition (h, cr); | |
| 204 } | |
| 205 break; | |
| 206 | |
| 207 /* ESC [ n1 'C' | |
| 208 Move the cursor right by n1 characters. */ | |
| 209 case MAKEWORD ('[', 'C'): | |
| 210 if (esc_head == esc_term) | |
| 211 n1 = 1; | |
| 212 else | |
| 213 { | |
| 214 n1 = strtol (esc_head, &eptr, 10); | |
| 215 if (eptr != esc_term) | |
| 216 break; | |
| 217 } | |
| 218 | |
| 219 if (GetConsoleScreenBufferInfo (h, &sb)) | |
| 220 { | |
| 221 cr = sb.dwCursorPosition; | |
| 222 /* Stop at the rightmost boundary. */ | |
| 223 if (sb.dwSize.X - cr.X > n1) | |
| 224 cr.X += n1; | |
| 225 else | |
| 226 cr.X = sb.dwSize.X; | |
| 227 SetConsoleCursorPosition (h, cr); | |
| 228 } | |
| 229 break; | |
| 230 | |
| 231 /* ESC [ n1 'D' | |
| 232 Move the cursor left by n1 characters. */ | |
| 233 case MAKEWORD ('[', 'D'): | |
| 234 if (esc_head == esc_term) | |
| 235 n1 = 1; | |
| 236 else | |
| 237 { | |
| 238 n1 = strtol (esc_head, &eptr, 10); | |
| 239 if (eptr != esc_term) | |
| 240 break; | |
| 241 } | |
| 242 | |
| 243 if (GetConsoleScreenBufferInfo (h, &sb)) | |
| 244 { | |
| 245 cr = sb.dwCursorPosition; | |
| 246 /* Stop at the leftmost boundary. */ | |
| 247 if (cr.X > n1) | |
| 248 cr.X -= n1; | |
| 249 else | |
| 250 cr.X = 0; | |
| 251 SetConsoleCursorPosition (h, cr); | |
| 252 } | |
| 253 break; | |
| 254 | |
| 255 /* ESC [ n1 'E' | |
| 256 Move the cursor to the beginning of the n1-th line downwards. */ | |
| 257 case MAKEWORD ('[', 'E'): | |
| 258 if (esc_head == esc_term) | |
| 259 n1 = 1; | |
| 260 else | |
| 261 { | |
| 262 n1 = strtol (esc_head, &eptr, 10); | |
| 263 if (eptr != esc_term) | |
| 264 break; | |
| 265 } | |
| 266 | |
| 267 if (GetConsoleScreenBufferInfo (h, &sb)) | |
| 268 { | |
| 269 cr = sb.dwCursorPosition; | |
| 270 cr.X = 0; | |
| 271 /* Stop at the bottommost boundary. */ | |
| 272 if (sb.dwSize.Y - cr.Y > n1) | |
| 273 cr.Y += n1; | |
| 274 else | |
| 275 cr.Y = sb.dwSize.Y; | |
| 276 SetConsoleCursorPosition (h, cr); | |
| 277 } | |
| 278 break; | |
| 279 | |
| 280 /* ESC [ n1 'F' | |
| 281 Move the cursor to the beginning of the n1-th line upwards. */ | |
| 282 case MAKEWORD ('[', 'F'): | |
| 283 if (esc_head == esc_term) | |
| 284 n1 = 1; | |
| 285 else | |
| 286 { | |
| 287 n1 = strtol (esc_head, &eptr, 10); | |
| 288 if (eptr != esc_term) | |
| 289 break; | |
| 290 } | |
| 291 | |
| 292 if (GetConsoleScreenBufferInfo (h, &sb)) | |
| 293 { | |
| 294 cr = sb.dwCursorPosition; | |
| 295 cr.X = 0; | |
| 296 /* Stop at the topmost boundary. */ | |
| 297 if (cr.Y > n1) | |
| 298 cr.Y -= n1; | |
| 299 else | |
| 300 cr.Y = 0; | |
| 301 SetConsoleCursorPosition (h, cr); | |
| 302 } | |
| 303 break; | |
| 304 | |
| 305 /* ESC [ n1 'G' | |
| 306 Move the cursor to the (1-based) n1-th column. */ | |
| 307 case MAKEWORD ('[', 'G'): | |
| 308 if (esc_head == esc_term) | |
| 309 n1 = 1; | |
| 310 else | |
| 311 { | |
| 312 n1 = strtol (esc_head, &eptr, 10); | |
| 313 if (eptr != esc_term) | |
| 314 break; | |
| 315 } | |
| 316 | |
| 317 if (GetConsoleScreenBufferInfo (h, &sb)) | |
| 318 { | |
| 319 cr = sb.dwCursorPosition; | |
| 320 n1 -= 1; | |
| 321 /* Stop at the leftmost or rightmost boundary. */ | |
| 322 if (n1 < 0) | |
| 323 cr.X = 0; | |
| 324 else if (n1 > sb.dwSize.X) | |
| 325 cr.X = sb.dwSize.X; | |
| 326 else | |
| 327 cr.X = n1; | |
| 328 SetConsoleCursorPosition (h, cr); | |
| 329 } | |
| 330 break; | |
| 331 | |
| 332 /* ESC [ n1 ';' n2 'H' | |
| 333 ESC [ n1 ';' n2 'f' | |
| 334 Move the cursor to the (1-based) n1-th row and | |
| 335 (also 1-based) n2-th column. */ | |
| 336 case MAKEWORD ('[', 'H'): | |
| 337 case MAKEWORD ('[', 'f'): | |
| 338 if (esc_head == esc_term) | |
| 339 { | |
| 340 /* Both parameters are omitted and set to 1 by default. */ | |
| 341 n1 = 1; | |
| 342 n2 = 1; | |
| 343 } | |
| 344 else if (!(delim = (char *) memchr (esc_head, ';', | |
| 345 esc_term - esc_head))) | |
| 346 { | |
| 347 /* Only the first parameter is given. The second one is | |
| 348 set to 1 by default. */ | |
| 349 n1 = strtol (esc_head, &eptr, 10); | |
| 350 if (eptr != esc_term) | |
| 351 break; | |
| 352 n2 = 1; | |
| 353 } | |
| 354 else | |
| 355 { | |
| 356 /* Both parameters are given. The first one shall be | |
| 357 terminated by the semicolon. */ | |
| 358 n1 = strtol (esc_head, &eptr, 10); | |
| 359 if (eptr != delim) | |
| 360 break; | |
| 361 n2 = strtol (delim + 1, &eptr, 10); | |
| 362 if (eptr != esc_term) | |
| 363 break; | |
| 364 } | |
| 365 | |
| 366 if (GetConsoleScreenBufferInfo (h, &sb)) | |
| 367 { | |
| 368 cr = sb.dwCursorPosition; | |
| 369 n1 -= 1; | |
| 370 n2 -= 1; | |
| 371 /* The cursor position shall be relative to the view coord of | |
| 372 the console window, which is usually smaller than the actual | |
| 373 buffer. FWIW, the 'appropriate' solution will be shrinking | |
| 374 the buffer to match the size of the console window, | |
| 375 destroying scrollback in the process. */ | |
| 376 n1 += sb.srWindow.Top; | |
| 377 n2 += sb.srWindow.Left; | |
| 378 /* Stop at the topmost or bottommost boundary. */ | |
| 379 if (n1 < 0) | |
| 380 cr.Y = 0; | |
| 381 else if (n1 > sb.dwSize.Y) | |
| 382 cr.Y = sb.dwSize.Y; | |
| 383 else | |
| 384 cr.Y = n1; | |
| 385 /* Stop at the leftmost or rightmost boundary. */ | |
| 386 if (n2 < 0) | |
| 387 cr.X = 0; | |
| 388 else if (n2 > sb.dwSize.X) | |
| 389 cr.X = sb.dwSize.X; | |
| 390 else | |
| 391 cr.X = n2; | |
| 392 SetConsoleCursorPosition (h, cr); | |
| 393 } | |
| 394 break; | |
| 395 | |
| 396 /* ESC [ n1 'J' | |
| 397 Erase display. */ | |
| 398 case MAKEWORD ('[', 'J'): | |
| 399 if (esc_head == esc_term) | |
| 400 /* This is one of the very few codes whose parameters have | |
| 401 a default value of zero. */ | |
| 402 n1 = 0; | |
| 403 else | |
| 404 { | |
| 405 n1 = strtol (esc_head, &eptr, 10); | |
| 406 if (eptr != esc_term) | |
| 407 break; | |
| 408 } | |
| 409 | |
| 410 if (GetConsoleScreenBufferInfo (h, &sb)) | |
| 411 { | |
| 412 /* The cursor is not necessarily in the console window, which | |
| 413 makes the behavior of this code harder to define. */ | |
| 414 switch (n1) | |
| 415 { | |
| 416 case 0: | |
| 417 /* If the cursor is in or above the window, erase from | |
| 418 it to the bottom of the window; otherwise, do nothing. */ | |
| 419 cr = sb.dwCursorPosition; | |
| 420 cnt = sb.dwSize.X - sb.dwCursorPosition.X; | |
| 421 rows = sb.srWindow.Bottom - sb.dwCursorPosition.Y; | |
| 422 break; | |
| 423 case 1: | |
| 424 /* If the cursor is in or under the window, erase from | |
| 425 it to the top of the window; otherwise, do nothing. */ | |
| 426 cr.X = 0; | |
| 427 cr.Y = sb.srWindow.Top; | |
| 428 cnt = sb.dwCursorPosition.X + 1; | |
| 429 rows = sb.dwCursorPosition.Y - sb.srWindow.Top; | |
| 430 break; | |
| 431 case 2: | |
| 432 /* Erase the entire window. */ | |
| 433 cr.X = sb.srWindow.Left; | |
| 434 cr.Y = sb.srWindow.Top; | |
| 435 cnt = 0; | |
| 436 rows = sb.srWindow.Bottom - sb.srWindow.Top + 1; | |
| 437 break; | |
| 438 default: | |
| 439 /* Erase the entire buffer. */ | |
| 440 cr.X = 0; | |
| 441 cr.Y = 0; | |
| 442 cnt = 0; | |
| 443 rows = sb.dwSize.Y; | |
| 444 break; | |
| 445 } | |
| 446 if (rows < 0) | |
| 447 break; | |
| 448 cnt += rows * sb.dwSize.X; | |
| 449 FillConsoleOutputCharacterW (h, L' ', cnt, cr, &step); | |
| 450 FillConsoleOutputAttribute (h, sb.wAttributes, cnt, cr, &step); | |
| 451 } | |
| 452 break; | |
| 453 | |
| 454 /* ESC [ n1 'K' | |
| 455 Erase line. */ | |
| 456 case MAKEWORD ('[', 'K'): | |
| 457 if (esc_head == esc_term) | |
| 458 /* This is one of the very few codes whose parameters have | |
| 459 a default value of zero. */ | |
| 460 n1 = 0; | |
| 461 else | |
| 462 { | |
| 463 n1 = strtol (esc_head, &eptr, 10); | |
| 464 if (eptr != esc_term) | |
| 465 break; | |
| 466 } | |
| 467 | |
| 468 if (GetConsoleScreenBufferInfo (h, &sb)) | |
| 469 { | |
| 470 switch (n1) | |
| 471 { | |
| 472 case 0: | |
| 473 /* Erase from the cursor to the end. */ | |
| 474 cr = sb.dwCursorPosition; | |
| 475 cnt = sb.dwSize.X - sb.dwCursorPosition.X; | |
| 476 break; | |
| 477 case 1: | |
| 478 /* Erase from the cursor to the beginning. */ | |
| 479 cr = sb.dwCursorPosition; | |
| 480 cr.X = 0; | |
| 481 cnt = sb.dwCursorPosition.X + 1; | |
| 482 break; | |
| 483 default: | |
| 484 /* Erase the entire line. */ | |
| 485 cr = sb.dwCursorPosition; | |
| 486 cr.X = 0; | |
| 487 cnt = sb.dwSize.X; | |
| 488 break; | |
| 489 } | |
| 490 FillConsoleOutputCharacterW (h, L' ', cnt, cr, &step); | |
| 491 FillConsoleOutputAttribute (h, sb.wAttributes, cnt, cr, &step); | |
| 492 } | |
| 493 break; | |
| 494 | |
| 495 /* ESC [ n1 ';' n2 'm' | |
| 496 Set SGR parameters. Zero or more parameters will follow. */ | |
| 497 case MAKEWORD ('[', 'm'): | |
| 498 attrib_add = 0; | |
| 499 attrib_rm = 0; | |
| 500 if (esc_head == esc_term) | |
| 501 { | |
| 502 /* When no parameter is given, reset the console. */ | |
| 503 attrib_add |= (FOREGROUND_RED | FOREGROUND_GREEN | |
| 504 | FOREGROUND_BLUE); | |
| 505 attrib_rm = -1; /* Removes everything. */ | |
| 506 goto sgr_set_it; | |
| 507 } | |
| 508 param = esc_head; | |
| 509 do | |
| 510 { | |
| 511 /* Parse a parameter. */ | |
| 512 n1 = strtol (param, &eptr, 10); | |
| 513 if (*eptr != ';' && eptr != esc_term) | |
| 514 goto sgr_set_it; | |
| 515 | |
| 516 switch (n1) | |
| 517 { | |
| 518 case 0: | |
| 519 /* Reset. */ | |
| 520 attrib_add |= (FOREGROUND_RED | FOREGROUND_GREEN | |
| 521 | FOREGROUND_BLUE); | |
| 522 attrib_rm = -1; /* Removes everything. */ | |
| 523 break; | |
| 524 case 1: | |
| 525 /* Bold. */ | |
| 526 attrib_add |= FOREGROUND_INTENSITY; | |
| 527 break; | |
| 528 case 4: | |
| 529 /* Underline. */ | |
| 530 attrib_add |= COMMON_LVB_UNDERSCORE; | |
| 531 break; | |
| 532 case 5: | |
| 533 /* Blink. */ | |
| 534 /* XXX: It is not BLINKING at all! */ | |
| 535 attrib_add |= BACKGROUND_INTENSITY; | |
| 536 break; | |
| 537 case 7: | |
| 538 /* Reverse. */ | |
| 539 attrib_add |= COMMON_LVB_REVERSE_VIDEO; | |
| 540 break; | |
| 541 case 22: | |
| 542 /* No bold. */ | |
| 543 attrib_add &= ~FOREGROUND_INTENSITY; | |
| 544 attrib_rm |= FOREGROUND_INTENSITY; | |
| 545 break; | |
| 546 case 24: | |
| 547 /* No underline. */ | |
| 548 attrib_add &= ~COMMON_LVB_UNDERSCORE; | |
| 549 attrib_rm |= COMMON_LVB_UNDERSCORE; | |
| 550 break; | |
| 551 case 25: | |
| 552 /* No blink. */ | |
| 553 /* XXX: It is not BLINKING at all! */ | |
| 554 attrib_add &= ~BACKGROUND_INTENSITY; | |
| 555 attrib_rm |= BACKGROUND_INTENSITY; | |
| 556 break; | |
| 557 case 27: | |
| 558 /* No reverse. */ | |
| 559 attrib_add &= ~COMMON_LVB_REVERSE_VIDEO; | |
| 560 attrib_rm |= COMMON_LVB_REVERSE_VIDEO; | |
| 561 break; | |
| 562 case 30: | |
| 563 case 31: | |
| 564 case 32: | |
| 565 case 33: | |
| 566 case 34: | |
| 567 case 35: | |
| 568 case 36: | |
| 569 case 37: | |
| 570 /* Foreground color. */ | |
| 571 attrib_add &= ~(FOREGROUND_RED | FOREGROUND_GREEN | |
| 572 | FOREGROUND_BLUE); | |
| 573 n1 -= 30; | |
| 574 if (n1 & 1) | |
| 575 attrib_add |= FOREGROUND_RED; | |
| 576 if (n1 & 2) | |
| 577 attrib_add |= FOREGROUND_GREEN; | |
| 578 if (n1 & 4) | |
| 579 attrib_add |= FOREGROUND_BLUE; | |
| 580 attrib_rm |= (FOREGROUND_RED | FOREGROUND_GREEN | |
| 581 | FOREGROUND_BLUE); | |
| 582 break; | |
| 583 case 38: | |
| 584 /* Reserved for extended foreground color. | |
| 585 Don't know how to handle parameters remaining. | |
| 586 Bail out. */ | |
| 587 goto sgr_set_it; | |
| 588 case 39: | |
| 589 /* Reset foreground color. */ | |
| 590 /* Set to grey. */ | |
| 591 attrib_add |= (FOREGROUND_RED | FOREGROUND_GREEN | |
| 592 | FOREGROUND_BLUE); | |
| 593 attrib_rm |= (FOREGROUND_RED | FOREGROUND_GREEN | |
| 594 | FOREGROUND_BLUE); | |
| 595 break; | |
| 596 case 40: | |
| 597 case 41: | |
| 598 case 42: | |
| 599 case 43: | |
| 600 case 44: | |
| 601 case 45: | |
| 602 case 46: | |
| 603 case 47: | |
| 604 /* Background color. */ | |
| 605 attrib_add &= ~(BACKGROUND_RED | BACKGROUND_GREEN | |
| 606 | BACKGROUND_BLUE); | |
| 607 n1 -= 40; | |
| 608 if (n1 & 1) | |
| 609 attrib_add |= BACKGROUND_RED; | |
| 610 if (n1 & 2) | |
| 611 attrib_add |= BACKGROUND_GREEN; | |
| 612 if (n1 & 4) | |
| 613 attrib_add |= BACKGROUND_BLUE; | |
| 614 attrib_rm |= (BACKGROUND_RED | BACKGROUND_GREEN | |
| 615 | BACKGROUND_BLUE); | |
| 616 break; | |
| 617 case 48: | |
| 618 /* Reserved for extended background color. | |
| 619 Don't know how to handle parameters remaining. | |
| 620 Bail out. */ | |
| 621 goto sgr_set_it; | |
| 622 case 49: | |
| 623 /* Reset background color. */ | |
| 624 /* Set to black. */ | |
| 625 attrib_add &= ~(BACKGROUND_RED | BACKGROUND_GREEN | |
| 626 | BACKGROUND_BLUE); | |
| 627 attrib_rm |= (BACKGROUND_RED | BACKGROUND_GREEN | |
| 628 | BACKGROUND_BLUE); | |
| 629 break; | |
| 630 } | |
| 631 | |
| 632 /* Prepare the next parameter. */ | |
| 633 param = eptr + 1; | |
| 634 } | |
| 635 while (param != esc_term); | |
| 636 | |
| 637 sgr_set_it: | |
| 638 /* 0xFFFF removes everything. If it is not the case, | |
| 639 care must be taken to preserve old attributes. */ | |
| 640 if (attrib_rm != 0xFFFF && GetConsoleScreenBufferInfo (h, &sb)) | |
| 641 { | |
| 642 attrib_add |= sb.wAttributes & ~attrib_rm; | |
| 643 } | |
| 131 | 644 if (attrib_add & COMMON_LVB_REVERSE_VIDEO) |
| 645 { | |
| 646 /* COMMON_LVB_REVERSE_VIDEO is only effective for DBCS. | |
| 647 * Swap foreground and background colors by hand. | |
| 648 */ | |
| 649 attrib_add = (attrib_add & 0xFF00) | |
| 650 | ((attrib_add & 0x00F0) >> 4) | |
| 651 | ((attrib_add & 0x000F) << 4); | |
| 652 attrib_add &= ~COMMON_LVB_REVERSE_VIDEO; | |
| 653 } | |
| 111 | 654 SetConsoleTextAttribute (h, attrib_add); |
| 655 break; | |
| 656 } | |
| 657 } | |
| 658 | |
| 659 int | |
| 660 mingw_ansi_fputs (const char *str, FILE *fp) | |
| 661 { | |
| 662 const char *read = str; | |
| 663 HANDLE h; | |
| 664 DWORD mode; | |
| 665 int esc_code, prefix_len; | |
| 666 const char *esc_head, *esc_term; | |
| 667 | |
| 668 h = (HANDLE) _get_osfhandle (_fileno (fp)); | |
| 669 if (h == INVALID_HANDLE_VALUE) | |
| 670 return EOF; | |
| 671 | |
| 672 /* Don't mess up stdio functions with Windows APIs. */ | |
| 673 fflush (fp); | |
| 674 | |
| 675 if (GetConsoleMode (h, &mode)) | |
| 676 /* If it is a console, translate ANSI escape codes as needed. */ | |
| 677 for (;;) | |
| 678 { | |
| 679 if ((esc_code = find_esc_head (&prefix_len, &esc_head, read)) == 0) | |
| 680 { | |
| 681 /* Write all remaining characters, then exit. */ | |
| 682 write_all (h, read, strlen (read)); | |
| 683 break; | |
| 684 } | |
| 685 if (find_esc_terminator (&esc_term, esc_head) == 0) | |
| 686 /* Ignore incomplete escape sequences at the moment. | |
| 687 FIXME: The escape state shall be cached for further calls | |
| 688 to this function. */ | |
| 689 break; | |
| 690 write_all (h, read, esc_head - prefix_len - read); | |
| 691 eat_esc_sequence (h, esc_code, esc_head, esc_term); | |
| 692 read = esc_term + 1; | |
| 693 } | |
| 694 else | |
| 695 /* If it is not a console, write everything as-is. */ | |
| 696 write_all (h, read, strlen (read)); | |
| 697 | |
| 698 return 1; | |
| 699 } | |
| 700 | |
| 701 #endif /* __MINGW32__ */ | |
| 702 | |
| 145 | 703 static int |
| 704 decode_utf8_char (const unsigned char *, size_t len, unsigned int *); | |
| 111 | 705 static void pp_quoted_string (pretty_printer *, const char *, size_t = -1); |
| 706 | |
| 707 /* Overwrite the given location/range within this text_info's rich_location. | |
| 708 For use e.g. when implementing "+" in client format decoders. */ | |
| 709 | |
| 710 void | |
| 131 | 711 text_info::set_location (unsigned int idx, location_t loc, |
| 712 enum range_display_kind range_display_kind) | |
| 111 | 713 { |
| 714 gcc_checking_assert (m_richloc); | |
| 131 | 715 m_richloc->set_range (idx, loc, range_display_kind); |
| 111 | 716 } |
| 717 | |
| 718 location_t | |
| 719 text_info::get_location (unsigned int index_of_location) const | |
| 720 { | |
| 721 gcc_checking_assert (m_richloc); | |
| 722 | |
| 723 if (index_of_location == 0) | |
| 724 return m_richloc->get_loc (); | |
| 725 else | |
| 726 return UNKNOWN_LOCATION; | |
| 727 } | |
| 728 | |
| 729 // Default construct an output buffer. | |
| 730 | |
| 731 output_buffer::output_buffer () | |
| 732 : formatted_obstack (), | |
| 733 chunk_obstack (), | |
| 734 obstack (&formatted_obstack), | |
| 735 cur_chunk_array (), | |
| 736 stream (stderr), | |
| 737 line_length (), | |
| 738 digit_buffer (), | |
| 739 flush_p (true) | |
| 740 { | |
| 741 obstack_init (&formatted_obstack); | |
| 742 obstack_init (&chunk_obstack); | |
| 743 } | |
| 744 | |
| 745 // Release resources owned by an output buffer at the end of lifetime. | |
| 746 | |
| 747 output_buffer::~output_buffer () | |
| 748 { | |
| 749 obstack_free (&chunk_obstack, NULL); | |
| 750 obstack_free (&formatted_obstack, NULL); | |
| 751 } | |
| 752 | |
| 0 | 753 |
| 754 /* Format an integer given by va_arg (ARG, type-specifier T) where | |
| 755 type-specifier is a precision modifier as indicated by PREC. F is | |
| 756 a string used to construct the appropriate format-specifier. */ | |
| 757 #define pp_integer_with_precision(PP, ARG, PREC, T, F) \ | |
| 758 do \ | |
| 759 switch (PREC) \ | |
| 760 { \ | |
| 761 case 0: \ | |
| 762 pp_scalar (PP, "%" F, va_arg (ARG, T)); \ | |
| 763 break; \ | |
| 764 \ | |
| 765 case 1: \ | |
| 766 pp_scalar (PP, "%l" F, va_arg (ARG, long T)); \ | |
| 767 break; \ | |
| 768 \ | |
| 769 case 2: \ | |
| 770 pp_scalar (PP, "%" HOST_LONG_LONG_FORMAT F, va_arg (ARG, long long T)); \ | |
| 771 break; \ | |
| 772 \ | |
| 773 default: \ | |
| 774 break; \ | |
| 775 } \ | |
| 776 while (0) | |
| 777 | |
| 778 | |
| 779 /* Subroutine of pp_set_maximum_length. Set up PRETTY-PRINTER's | |
| 780 internal maximum characters per line. */ | |
| 781 static void | |
| 782 pp_set_real_maximum_length (pretty_printer *pp) | |
| 783 { | |
| 784 /* If we're told not to wrap lines then do the obvious thing. In case | |
| 785 we'll emit prefix only once per message, it is appropriate | |
| 786 not to increase unnecessarily the line-length cut-off. */ | |
| 787 if (!pp_is_wrapping_line (pp) | |
| 788 || pp_prefixing_rule (pp) == DIAGNOSTICS_SHOW_PREFIX_ONCE | |
| 789 || pp_prefixing_rule (pp) == DIAGNOSTICS_SHOW_PREFIX_NEVER) | |
| 790 pp->maximum_length = pp_line_cutoff (pp); | |
| 791 else | |
| 792 { | |
| 793 int prefix_length = pp->prefix ? strlen (pp->prefix) : 0; | |
| 794 /* If the prefix is ridiculously too long, output at least | |
| 795 32 characters. */ | |
| 796 if (pp_line_cutoff (pp) - prefix_length < 32) | |
| 797 pp->maximum_length = pp_line_cutoff (pp) + 32; | |
| 798 else | |
| 799 pp->maximum_length = pp_line_cutoff (pp); | |
| 800 } | |
| 801 } | |
| 802 | |
| 803 /* Clear PRETTY-PRINTER's output state. */ | |
| 804 static inline void | |
| 805 pp_clear_state (pretty_printer *pp) | |
| 806 { | |
| 807 pp->emitted_prefix = false; | |
| 808 pp_indentation (pp) = 0; | |
| 809 } | |
| 810 | |
| 131 | 811 /* Print X to PP in decimal. */ |
| 812 template<unsigned int N, typename T> | |
| 813 void | |
| 814 pp_wide_integer (pretty_printer *pp, const poly_int_pod<N, T> &x) | |
| 815 { | |
| 816 if (x.is_constant ()) | |
| 817 pp_wide_integer (pp, x.coeffs[0]); | |
| 818 else | |
| 819 { | |
| 820 pp_left_bracket (pp); | |
| 821 for (unsigned int i = 0; i < N; ++i) | |
| 822 { | |
| 823 if (i != 0) | |
| 824 pp_comma (pp); | |
| 825 pp_wide_integer (pp, x.coeffs[i]); | |
| 826 } | |
| 827 pp_right_bracket (pp); | |
| 828 } | |
| 829 } | |
| 830 | |
| 831 template void pp_wide_integer (pretty_printer *, const poly_uint16_pod &); | |
| 832 template void pp_wide_integer (pretty_printer *, const poly_int64_pod &); | |
| 833 template void pp_wide_integer (pretty_printer *, const poly_uint64_pod &); | |
| 834 | |
| 0 | 835 /* Flush the formatted text of PRETTY-PRINTER onto the attached stream. */ |
| 836 void | |
| 837 pp_write_text_to_stream (pretty_printer *pp) | |
| 838 { | |
| 839 const char *text = pp_formatted_text (pp); | |
| 111 | 840 #ifdef __MINGW32__ |
| 841 mingw_ansi_fputs (text, pp_buffer (pp)->stream); | |
| 842 #else | |
| 843 fputs (text, pp_buffer (pp)->stream); | |
| 844 #endif | |
| 845 pp_clear_output_area (pp); | |
| 846 } | |
| 847 | |
| 848 /* As pp_write_text_to_stream, but for GraphViz label output. | |
| 849 | |
| 850 Flush the formatted text of pretty-printer PP onto the attached stream. | |
| 851 Replace characters in PPF that have special meaning in a GraphViz .dot | |
| 852 file. | |
| 853 | |
| 854 This routine is not very fast, but it doesn't have to be as this is only | |
| 855 be used by routines dumping intermediate representations in graph form. */ | |
| 856 | |
| 857 void | |
| 858 pp_write_text_as_dot_label_to_stream (pretty_printer *pp, bool for_record) | |
| 859 { | |
| 860 const char *text = pp_formatted_text (pp); | |
| 861 const char *p = text; | |
| 862 FILE *fp = pp_buffer (pp)->stream; | |
| 863 | |
| 864 for (;*p; p++) | |
| 865 { | |
| 866 bool escape_char; | |
| 867 switch (*p) | |
| 868 { | |
| 869 /* Print newlines as a left-aligned newline. */ | |
| 870 case '\n': | |
| 871 fputs ("\\l", fp); | |
| 872 escape_char = true; | |
| 873 break; | |
| 874 | |
| 875 /* The following characters are only special for record-shape nodes. */ | |
| 876 case '|': | |
| 877 case '{': | |
| 878 case '}': | |
| 879 case '<': | |
| 880 case '>': | |
| 881 case ' ': | |
| 882 escape_char = for_record; | |
| 883 break; | |
| 884 | |
| 885 /* The following characters always have to be escaped | |
| 886 for use in labels. */ | |
| 887 case '\\': | |
| 888 /* There is a bug in some (f.i. 2.36.0) versions of graphiz | |
| 889 ( http://www.graphviz.org/mantisbt/view.php?id=2524 ) related to | |
| 890 backslash as last char in label. Let's avoid triggering it. */ | |
| 891 gcc_assert (*(p + 1) != '\0'); | |
| 892 /* Fall through. */ | |
| 893 case '"': | |
| 894 escape_char = true; | |
| 895 break; | |
| 896 | |
| 897 default: | |
| 898 escape_char = false; | |
| 899 break; | |
| 900 } | |
| 901 | |
| 902 if (escape_char) | |
| 903 fputc ('\\', fp); | |
| 904 | |
| 905 fputc (*p, fp); | |
| 906 } | |
| 907 | |
| 0 | 908 pp_clear_output_area (pp); |
| 909 } | |
| 910 | |
| 145 | 911 /* As pp_write_text_to_stream, but for GraphViz HTML-like strings. |
| 912 | |
| 913 Flush the formatted text of pretty-printer PP onto the attached stream, | |
| 914 escaping these characters | |
| 915 " & < > | |
| 916 using XML escape sequences. | |
| 917 | |
| 918 http://www.graphviz.org/doc/info/lang.html#html states: | |
| 919 special XML escape sequences for ", &, <, and > may be necessary in | |
| 920 order to embed these characters in attribute values or raw text | |
| 921 This doesn't list "'" (which would normally be escaped in XML | |
| 922 as "'" or in HTML as "'");. | |
| 923 | |
| 924 Experiments show that escaping "'" doesn't seem to be necessary. */ | |
| 925 | |
| 926 void | |
| 927 pp_write_text_as_html_like_dot_to_stream (pretty_printer *pp) | |
| 928 { | |
| 929 const char *text = pp_formatted_text (pp); | |
| 930 const char *p = text; | |
| 931 FILE *fp = pp_buffer (pp)->stream; | |
| 932 | |
| 933 for (;*p; p++) | |
| 934 { | |
| 935 switch (*p) | |
| 936 { | |
| 937 case '"': | |
| 938 fputs (""", fp); | |
| 939 break; | |
| 940 case '&': | |
| 941 fputs ("&", fp); | |
| 942 break; | |
| 943 case '<': | |
| 944 fputs ("<", fp); | |
| 945 break; | |
| 946 case '>': | |
| 947 fputs (">",fp); | |
| 948 break; | |
| 949 | |
| 950 default: | |
| 951 fputc (*p, fp); | |
| 952 break; | |
| 953 } | |
| 954 } | |
| 955 | |
| 956 pp_clear_output_area (pp); | |
| 957 } | |
| 958 | |
| 0 | 959 /* Wrap a text delimited by START and END into PRETTY-PRINTER. */ |
| 960 static void | |
| 961 pp_wrap_text (pretty_printer *pp, const char *start, const char *end) | |
| 962 { | |
| 963 bool wrapping_line = pp_is_wrapping_line (pp); | |
| 964 | |
| 965 while (start != end) | |
| 966 { | |
| 967 /* Dump anything bordered by whitespaces. */ | |
| 968 { | |
| 969 const char *p = start; | |
| 970 while (p != end && !ISBLANK (*p) && *p != '\n') | |
| 971 ++p; | |
| 972 if (wrapping_line | |
| 973 && p - start >= pp_remaining_character_count_for_line (pp)) | |
| 974 pp_newline (pp); | |
| 975 pp_append_text (pp, start, p); | |
| 976 start = p; | |
| 977 } | |
| 978 | |
| 979 if (start != end && ISBLANK (*start)) | |
| 980 { | |
| 981 pp_space (pp); | |
| 982 ++start; | |
| 983 } | |
| 984 if (start != end && *start == '\n') | |
| 985 { | |
| 986 pp_newline (pp); | |
| 987 ++start; | |
| 988 } | |
| 989 } | |
| 990 } | |
| 991 | |
| 992 /* Same as pp_wrap_text but wrap text only when in line-wrapping mode. */ | |
| 993 static inline void | |
| 994 pp_maybe_wrap_text (pretty_printer *pp, const char *start, const char *end) | |
| 995 { | |
| 996 if (pp_is_wrapping_line (pp)) | |
| 997 pp_wrap_text (pp, start, end); | |
| 998 else | |
| 999 pp_append_text (pp, start, end); | |
| 1000 } | |
| 1001 | |
| 1002 /* Append to the output area of PRETTY-PRINTER a string specified by its | |
| 1003 STARTing character and LENGTH. */ | |
| 1004 static inline void | |
| 1005 pp_append_r (pretty_printer *pp, const char *start, int length) | |
| 1006 { | |
| 111 | 1007 output_buffer_append_r (pp_buffer (pp), start, length); |
| 0 | 1008 } |
| 1009 | |
| 1010 /* Insert enough spaces into the output area of PRETTY-PRINTER to bring | |
| 1011 the column position to the current indentation level, assuming that a | |
| 1012 newline has just been written to the buffer. */ | |
| 1013 void | |
| 111 | 1014 pp_indent (pretty_printer *pp) |
| 0 | 1015 { |
| 1016 int n = pp_indentation (pp); | |
| 1017 int i; | |
| 1018 | |
| 1019 for (i = 0; i < n; ++i) | |
| 1020 pp_space (pp); | |
| 1021 } | |
| 1022 | |
| 1023 /* The following format specifiers are recognized as being client independent: | |
| 1024 %d, %i: (signed) integer in base ten. | |
| 1025 %u: unsigned integer in base ten. | |
| 1026 %o: unsigned integer in base eight. | |
| 1027 %x: unsigned integer in base sixteen. | |
| 1028 %ld, %li, %lo, %lu, %lx: long versions of the above. | |
| 1029 %lld, %lli, %llo, %llu, %llx: long long versions. | |
| 1030 %wd, %wi, %wo, %wu, %wx: HOST_WIDE_INT versions. | |
| 145 | 1031 %f: double |
| 0 | 1032 %c: character. |
| 1033 %s: string. | |
| 111 | 1034 %p: pointer (printed in a host-dependent manner). |
| 1035 %r: if pp_show_color(pp), switch to color identified by const char *. | |
| 1036 %R: if pp_show_color(pp), reset color. | |
| 0 | 1037 %m: strerror(text->err_no) - does not consume a value from args_ptr. |
| 1038 %%: '%'. | |
| 1039 %<: opening quote. | |
| 1040 %>: closing quote. | |
| 1041 %': apostrophe (should only be used in untranslated messages; | |
| 1042 translations should use appropriate punctuation directly). | |
| 145 | 1043 %@: diagnostic_event_id_ptr, for which event_id->known_p () must be true. |
| 0 | 1044 %.*s: a substring the length of which is specified by an argument |
| 1045 integer. | |
| 1046 %Ns: likewise, but length specified as constant in the format string. | |
| 1047 Flag 'q': quote formatted text (must come immediately after '%'). | |
| 111 | 1048 %Z: Requires two arguments - array of int, and len. Prints elements |
| 1049 of the array. | |
| 0 | 1050 |
| 1051 Arguments can be used sequentially, or through %N$ resp. *N$ | |
| 1052 notation Nth argument after the format string. If %N$ / *N$ | |
| 1053 notation is used, it must be used for all arguments, except %m, %%, | |
| 1054 %<, %> and %', which may not have a number, as they do not consume | |
| 1055 an argument. When %M$.*N$s is used, M must be N + 1. (This may | |
| 1056 also be written %M$.*s, provided N is not otherwise used.) The | |
| 1057 format string must have conversion specifiers with argument numbers | |
| 1058 1 up to highest argument; each argument may only be used once. | |
| 1059 A format string can have at most 30 arguments. */ | |
| 1060 | |
| 1061 /* Formatting phases 1 and 2: render TEXT->format_spec plus | |
| 111 | 1062 TEXT->args_ptr into a series of chunks in pp_buffer (PP)->args[]. |
| 1063 Phase 3 is in pp_output_formatted_text. */ | |
| 0 | 1064 |
| 1065 void | |
| 111 | 1066 pp_format (pretty_printer *pp, text_info *text) |
| 0 | 1067 { |
| 111 | 1068 output_buffer *buffer = pp_buffer (pp); |
| 0 | 1069 const char *p; |
| 1070 const char **args; | |
| 1071 struct chunk_info *new_chunk_array; | |
| 1072 | |
| 1073 unsigned int curarg = 0, chunk = 0, argno; | |
| 1074 pp_wrapping_mode_t old_wrapping_mode; | |
| 1075 bool any_unnumbered = false, any_numbered = false; | |
| 1076 const char **formatters[PP_NL_ARGMAX]; | |
| 1077 | |
| 1078 /* Allocate a new chunk structure. */ | |
| 1079 new_chunk_array = XOBNEW (&buffer->chunk_obstack, struct chunk_info); | |
| 1080 new_chunk_array->prev = buffer->cur_chunk_array; | |
| 1081 buffer->cur_chunk_array = new_chunk_array; | |
| 1082 args = new_chunk_array->args; | |
| 1083 | |
| 1084 /* Formatting phase 1: split up TEXT->format_spec into chunks in | |
| 111 | 1085 pp_buffer (PP)->args[]. Even-numbered chunks are to be output |
| 0 | 1086 verbatim, odd-numbered chunks are format specifiers. |
| 1087 %m, %%, %<, %>, and %' are replaced with the appropriate text at | |
| 1088 this point. */ | |
| 1089 | |
| 1090 memset (formatters, 0, sizeof formatters); | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1091 |
| 0 | 1092 for (p = text->format_spec; *p; ) |
| 1093 { | |
| 1094 while (*p != '\0' && *p != '%') | |
| 1095 { | |
| 1096 obstack_1grow (&buffer->chunk_obstack, *p); | |
| 1097 p++; | |
| 1098 } | |
| 1099 | |
| 1100 if (*p == '\0') | |
| 1101 break; | |
| 1102 | |
| 1103 switch (*++p) | |
| 1104 { | |
| 1105 case '\0': | |
| 1106 gcc_unreachable (); | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1107 |
| 0 | 1108 case '%': |
| 1109 obstack_1grow (&buffer->chunk_obstack, '%'); | |
| 1110 p++; | |
| 1111 continue; | |
| 1112 | |
| 1113 case '<': | |
| 111 | 1114 { |
| 1115 obstack_grow (&buffer->chunk_obstack, | |
| 1116 open_quote, strlen (open_quote)); | |
| 1117 const char *colorstr | |
| 1118 = colorize_start (pp_show_color (pp), "quote"); | |
| 1119 obstack_grow (&buffer->chunk_obstack, colorstr, strlen (colorstr)); | |
| 1120 p++; | |
| 1121 continue; | |
| 1122 } | |
| 0 | 1123 |
| 1124 case '>': | |
| 111 | 1125 { |
| 1126 const char *colorstr = colorize_stop (pp_show_color (pp)); | |
| 1127 obstack_grow (&buffer->chunk_obstack, colorstr, strlen (colorstr)); | |
| 1128 } | |
| 1129 /* FALLTHRU */ | |
| 0 | 1130 case '\'': |
| 1131 obstack_grow (&buffer->chunk_obstack, | |
| 1132 close_quote, strlen (close_quote)); | |
| 1133 p++; | |
| 1134 continue; | |
| 1135 | |
| 111 | 1136 case 'R': |
| 1137 { | |
| 1138 const char *colorstr = colorize_stop (pp_show_color (pp)); | |
| 1139 obstack_grow (&buffer->chunk_obstack, colorstr, | |
| 1140 strlen (colorstr)); | |
| 1141 p++; | |
| 1142 continue; | |
| 1143 } | |
| 1144 | |
| 0 | 1145 case 'm': |
| 1146 { | |
| 1147 const char *errstr = xstrerror (text->err_no); | |
| 1148 obstack_grow (&buffer->chunk_obstack, errstr, strlen (errstr)); | |
| 1149 } | |
| 1150 p++; | |
| 1151 continue; | |
| 1152 | |
| 1153 default: | |
| 1154 /* Handled in phase 2. Terminate the plain chunk here. */ | |
| 1155 obstack_1grow (&buffer->chunk_obstack, '\0'); | |
| 1156 gcc_assert (chunk < PP_NL_ARGMAX * 2); | |
| 1157 args[chunk++] = XOBFINISH (&buffer->chunk_obstack, const char *); | |
| 1158 break; | |
| 1159 } | |
| 1160 | |
| 1161 if (ISDIGIT (*p)) | |
| 1162 { | |
| 1163 char *end; | |
| 1164 argno = strtoul (p, &end, 10) - 1; | |
| 1165 p = end; | |
| 1166 gcc_assert (*p == '$'); | |
| 1167 p++; | |
| 1168 | |
| 1169 any_numbered = true; | |
| 1170 gcc_assert (!any_unnumbered); | |
| 1171 } | |
| 1172 else | |
| 1173 { | |
| 1174 argno = curarg++; | |
| 1175 any_unnumbered = true; | |
| 1176 gcc_assert (!any_numbered); | |
| 1177 } | |
| 1178 gcc_assert (argno < PP_NL_ARGMAX); | |
| 1179 gcc_assert (!formatters[argno]); | |
| 1180 formatters[argno] = &args[chunk]; | |
| 1181 do | |
| 1182 { | |
| 1183 obstack_1grow (&buffer->chunk_obstack, *p); | |
| 1184 p++; | |
| 1185 } | |
| 1186 while (strchr ("qwl+#", p[-1])); | |
| 1187 | |
| 1188 if (p[-1] == '.') | |
| 1189 { | |
| 1190 /* We handle '%.Ns' and '%.*s' or '%M$.*N$s' | |
| 1191 (where M == N + 1). */ | |
| 1192 if (ISDIGIT (*p)) | |
| 1193 { | |
| 1194 do | |
| 1195 { | |
| 1196 obstack_1grow (&buffer->chunk_obstack, *p); | |
| 1197 p++; | |
| 1198 } | |
| 1199 while (ISDIGIT (p[-1])); | |
| 1200 gcc_assert (p[-1] == 's'); | |
| 1201 } | |
| 1202 else | |
| 1203 { | |
| 1204 gcc_assert (*p == '*'); | |
| 1205 obstack_1grow (&buffer->chunk_obstack, '*'); | |
| 1206 p++; | |
| 1207 | |
| 1208 if (ISDIGIT (*p)) | |
| 1209 { | |
| 1210 char *end; | |
| 1211 unsigned int argno2 = strtoul (p, &end, 10) - 1; | |
| 1212 p = end; | |
| 1213 gcc_assert (argno2 == argno - 1); | |
| 1214 gcc_assert (!any_unnumbered); | |
| 1215 gcc_assert (*p == '$'); | |
| 1216 | |
| 1217 p++; | |
| 1218 formatters[argno2] = formatters[argno]; | |
| 1219 } | |
| 1220 else | |
| 1221 { | |
| 1222 gcc_assert (!any_numbered); | |
| 1223 formatters[argno+1] = formatters[argno]; | |
| 1224 curarg++; | |
| 1225 } | |
| 1226 gcc_assert (*p == 's'); | |
| 1227 obstack_1grow (&buffer->chunk_obstack, 's'); | |
| 1228 p++; | |
| 1229 } | |
| 1230 } | |
| 1231 if (*p == '\0') | |
| 1232 break; | |
| 1233 | |
| 1234 obstack_1grow (&buffer->chunk_obstack, '\0'); | |
| 1235 gcc_assert (chunk < PP_NL_ARGMAX * 2); | |
| 1236 args[chunk++] = XOBFINISH (&buffer->chunk_obstack, const char *); | |
| 1237 } | |
| 1238 | |
| 1239 obstack_1grow (&buffer->chunk_obstack, '\0'); | |
| 1240 gcc_assert (chunk < PP_NL_ARGMAX * 2); | |
| 1241 args[chunk++] = XOBFINISH (&buffer->chunk_obstack, const char *); | |
| 1242 args[chunk] = 0; | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1243 |
| 0 | 1244 /* Set output to the argument obstack, and switch line-wrapping and |
| 1245 prefixing off. */ | |
| 1246 buffer->obstack = &buffer->chunk_obstack; | |
| 145 | 1247 const int old_line_length = buffer->line_length; |
| 0 | 1248 old_wrapping_mode = pp_set_verbatim_wrapping (pp); |
| 1249 | |
| 1250 /* Second phase. Replace each formatter with the formatted text it | |
| 1251 corresponds to. */ | |
| 1252 | |
| 1253 for (argno = 0; formatters[argno]; argno++) | |
| 1254 { | |
| 1255 int precision = 0; | |
| 1256 bool wide = false; | |
| 1257 bool plus = false; | |
| 1258 bool hash = false; | |
| 1259 bool quote = false; | |
| 1260 | |
| 1261 /* We do not attempt to enforce any ordering on the modifier | |
| 1262 characters. */ | |
| 1263 | |
| 1264 for (p = *formatters[argno];; p++) | |
| 1265 { | |
| 1266 switch (*p) | |
| 1267 { | |
| 1268 case 'q': | |
| 1269 gcc_assert (!quote); | |
| 1270 quote = true; | |
| 1271 continue; | |
| 1272 | |
| 1273 case '+': | |
| 1274 gcc_assert (!plus); | |
| 1275 plus = true; | |
| 1276 continue; | |
| 1277 | |
| 1278 case '#': | |
| 1279 gcc_assert (!hash); | |
| 1280 hash = true; | |
| 1281 continue; | |
| 1282 | |
| 1283 case 'w': | |
| 1284 gcc_assert (!wide); | |
| 1285 wide = true; | |
| 1286 continue; | |
| 1287 | |
| 1288 case 'l': | |
| 1289 /* We don't support precision beyond that of "long long". */ | |
| 1290 gcc_assert (precision < 2); | |
| 1291 precision++; | |
| 1292 continue; | |
| 1293 } | |
| 1294 break; | |
| 1295 } | |
| 1296 | |
| 1297 gcc_assert (!wide || precision == 0); | |
| 1298 | |
| 1299 if (quote) | |
| 131 | 1300 pp_begin_quote (pp, pp_show_color (pp)); |
| 0 | 1301 |
| 1302 switch (*p) | |
| 1303 { | |
| 111 | 1304 case 'r': |
| 1305 pp_string (pp, colorize_start (pp_show_color (pp), | |
| 1306 va_arg (*text->args_ptr, | |
| 1307 const char *))); | |
| 1308 break; | |
| 1309 | |
| 0 | 1310 case 'c': |
| 111 | 1311 { |
| 1312 /* When quoting, print alphanumeric, punctuation, and the space | |
| 1313 character unchanged, and all others in hexadecimal with the | |
| 1314 "\x" prefix. Otherwise print them all unchanged. */ | |
| 1315 int chr = va_arg (*text->args_ptr, int); | |
| 1316 if (ISPRINT (chr) || !quote) | |
| 1317 pp_character (pp, chr); | |
| 1318 else | |
| 1319 { | |
| 1320 const char str [2] = { chr, '\0' }; | |
| 1321 pp_quoted_string (pp, str, 1); | |
| 1322 } | |
| 1323 break; | |
| 1324 } | |
| 0 | 1325 |
| 1326 case 'd': | |
| 1327 case 'i': | |
| 1328 if (wide) | |
| 1329 pp_wide_integer (pp, va_arg (*text->args_ptr, HOST_WIDE_INT)); | |
| 1330 else | |
| 1331 pp_integer_with_precision | |
| 1332 (pp, *text->args_ptr, precision, int, "d"); | |
| 1333 break; | |
| 1334 | |
| 1335 case 'o': | |
| 1336 if (wide) | |
| 1337 pp_scalar (pp, "%" HOST_WIDE_INT_PRINT "o", | |
| 1338 va_arg (*text->args_ptr, unsigned HOST_WIDE_INT)); | |
| 1339 else | |
| 1340 pp_integer_with_precision | |
| 1341 (pp, *text->args_ptr, precision, unsigned, "o"); | |
| 1342 break; | |
| 1343 | |
| 1344 case 's': | |
| 111 | 1345 if (quote) |
| 1346 pp_quoted_string (pp, va_arg (*text->args_ptr, const char *)); | |
| 1347 else | |
| 1348 pp_string (pp, va_arg (*text->args_ptr, const char *)); | |
| 0 | 1349 break; |
| 1350 | |
| 1351 case 'p': | |
| 1352 pp_pointer (pp, va_arg (*text->args_ptr, void *)); | |
| 1353 break; | |
| 1354 | |
| 1355 case 'u': | |
| 1356 if (wide) | |
| 1357 pp_scalar (pp, HOST_WIDE_INT_PRINT_UNSIGNED, | |
| 1358 va_arg (*text->args_ptr, unsigned HOST_WIDE_INT)); | |
| 1359 else | |
| 1360 pp_integer_with_precision | |
| 1361 (pp, *text->args_ptr, precision, unsigned, "u"); | |
| 1362 break; | |
| 1363 | |
| 145 | 1364 case 'f': |
| 1365 pp_double (pp, va_arg (*text->args_ptr, double)); | |
| 1366 break; | |
| 1367 | |
| 111 | 1368 case 'Z': |
| 1369 { | |
| 1370 int *v = va_arg (*text->args_ptr, int *); | |
| 1371 unsigned len = va_arg (*text->args_ptr, unsigned); | |
| 1372 | |
| 1373 for (unsigned i = 0; i < len; ++i) | |
| 1374 { | |
| 1375 pp_scalar (pp, "%i", v[i]); | |
| 1376 if (i < len - 1) | |
| 1377 { | |
| 1378 pp_comma (pp); | |
| 1379 pp_space (pp); | |
| 1380 } | |
| 1381 } | |
| 1382 break; | |
| 1383 } | |
| 1384 | |
| 0 | 1385 case 'x': |
| 1386 if (wide) | |
| 1387 pp_scalar (pp, HOST_WIDE_INT_PRINT_HEX, | |
| 1388 va_arg (*text->args_ptr, unsigned HOST_WIDE_INT)); | |
| 1389 else | |
| 1390 pp_integer_with_precision | |
| 1391 (pp, *text->args_ptr, precision, unsigned, "x"); | |
| 1392 break; | |
| 1393 | |
| 1394 case '.': | |
| 1395 { | |
| 1396 int n; | |
| 1397 const char *s; | |
| 1398 | |
| 1399 /* We handle '%.Ns' and '%.*s' or '%M$.*N$s' | |
| 1400 (where M == N + 1). The format string should be verified | |
| 1401 already from the first phase. */ | |
| 1402 p++; | |
| 1403 if (ISDIGIT (*p)) | |
| 1404 { | |
| 1405 char *end; | |
| 1406 n = strtoul (p, &end, 10); | |
| 1407 p = end; | |
| 1408 gcc_assert (*p == 's'); | |
| 1409 } | |
| 1410 else | |
| 1411 { | |
| 1412 gcc_assert (*p == '*'); | |
| 1413 p++; | |
| 1414 gcc_assert (*p == 's'); | |
| 1415 n = va_arg (*text->args_ptr, int); | |
| 1416 | |
| 1417 /* This consumes a second entry in the formatters array. */ | |
| 1418 gcc_assert (formatters[argno] == formatters[argno+1]); | |
| 1419 argno++; | |
| 1420 } | |
| 1421 | |
| 1422 s = va_arg (*text->args_ptr, const char *); | |
| 111 | 1423 |
| 1424 /* Append the lesser of precision and strlen (s) characters | |
| 1425 from the array (which need not be a nul-terminated string). | |
| 1426 Negative precision is treated as if it were omitted. */ | |
| 1427 size_t len = n < 0 ? strlen (s) : strnlen (s, n); | |
| 1428 | |
| 1429 pp_append_text (pp, s, s + len); | |
| 0 | 1430 } |
| 1431 break; | |
| 1432 | |
| 145 | 1433 case '@': |
| 1434 { | |
| 1435 /* diagnostic_event_id_t *. */ | |
| 1436 diagnostic_event_id_ptr event_id | |
| 1437 = va_arg (*text->args_ptr, diagnostic_event_id_ptr); | |
| 1438 gcc_assert (event_id->known_p ()); | |
| 1439 | |
| 1440 pp_string (pp, colorize_start (pp_show_color (pp), "path")); | |
| 1441 pp_character (pp, '('); | |
| 1442 pp_decimal_int (pp, event_id->one_based ()); | |
| 1443 pp_character (pp, ')'); | |
| 1444 pp_string (pp, colorize_stop (pp_show_color (pp))); | |
| 1445 } | |
| 1446 break; | |
| 1447 | |
| 0 | 1448 default: |
| 1449 { | |
| 1450 bool ok; | |
| 1451 | |
| 131 | 1452 /* Call the format decoder. |
| 1453 Pass the address of "quote" so that format decoders can | |
| 1454 potentially disable printing of the closing quote | |
| 1455 (e.g. when printing "'TYPEDEF' aka 'TYPE'" in the C family | |
| 1456 of frontends). */ | |
| 0 | 1457 gcc_assert (pp_format_decoder (pp)); |
| 1458 ok = pp_format_decoder (pp) (pp, text, p, | |
| 131 | 1459 precision, wide, plus, hash, "e, |
| 111 | 1460 formatters[argno]); |
| 0 | 1461 gcc_assert (ok); |
| 1462 } | |
| 1463 } | |
| 1464 | |
| 1465 if (quote) | |
| 131 | 1466 pp_end_quote (pp, pp_show_color (pp)); |
| 0 | 1467 |
| 1468 obstack_1grow (&buffer->chunk_obstack, '\0'); | |
| 1469 *formatters[argno] = XOBFINISH (&buffer->chunk_obstack, const char *); | |
| 1470 } | |
| 1471 | |
| 111 | 1472 if (CHECKING_P) |
| 1473 for (; argno < PP_NL_ARGMAX; argno++) | |
| 1474 gcc_assert (!formatters[argno]); | |
| 1475 | |
| 1476 /* If the client supplied a postprocessing object, call its "handle" | |
| 1477 hook here. */ | |
| 1478 if (pp->m_format_postprocessor) | |
| 1479 pp->m_format_postprocessor->handle (pp); | |
| 0 | 1480 |
| 1481 /* Revert to normal obstack and wrapping mode. */ | |
| 1482 buffer->obstack = &buffer->formatted_obstack; | |
| 145 | 1483 buffer->line_length = old_line_length; |
| 0 | 1484 pp_wrapping_mode (pp) = old_wrapping_mode; |
| 1485 pp_clear_state (pp); | |
| 1486 } | |
| 1487 | |
| 1488 /* Format of a message pointed to by TEXT. */ | |
| 1489 void | |
| 111 | 1490 pp_output_formatted_text (pretty_printer *pp) |
| 0 | 1491 { |
| 1492 unsigned int chunk; | |
| 1493 output_buffer *buffer = pp_buffer (pp); | |
| 1494 struct chunk_info *chunk_array = buffer->cur_chunk_array; | |
| 1495 const char **args = chunk_array->args; | |
| 1496 | |
| 1497 gcc_assert (buffer->obstack == &buffer->formatted_obstack); | |
| 1498 | |
| 111 | 1499 /* This is a third phase, first 2 phases done in pp_format_args. |
| 0 | 1500 Now we actually print it. */ |
| 1501 for (chunk = 0; args[chunk]; chunk++) | |
| 1502 pp_string (pp, args[chunk]); | |
| 1503 | |
| 1504 /* Deallocate the chunk structure and everything after it (i.e. the | |
| 1505 associated series of formatted strings). */ | |
| 1506 buffer->cur_chunk_array = chunk_array->prev; | |
| 1507 obstack_free (&buffer->chunk_obstack, chunk_array); | |
| 1508 } | |
| 1509 | |
| 1510 /* Helper subroutine of output_verbatim and verbatim. Do the appropriate | |
| 1511 settings needed by BUFFER for a verbatim formatting. */ | |
| 1512 void | |
| 111 | 1513 pp_format_verbatim (pretty_printer *pp, text_info *text) |
| 0 | 1514 { |
| 1515 /* Set verbatim mode. */ | |
| 1516 pp_wrapping_mode_t oldmode = pp_set_verbatim_wrapping (pp); | |
| 1517 | |
| 1518 /* Do the actual formatting. */ | |
| 1519 pp_format (pp, text); | |
| 1520 pp_output_formatted_text (pp); | |
| 1521 | |
| 1522 /* Restore previous settings. */ | |
| 1523 pp_wrapping_mode (pp) = oldmode; | |
| 1524 } | |
| 1525 | |
| 111 | 1526 /* Flush the content of BUFFER onto the attached stream. This |
| 1527 function does nothing unless pp->output_buffer->flush_p. */ | |
| 0 | 1528 void |
| 111 | 1529 pp_flush (pretty_printer *pp) |
| 0 | 1530 { |
| 111 | 1531 pp_clear_state (pp); |
| 1532 if (!pp->buffer->flush_p) | |
| 1533 return; | |
| 0 | 1534 pp_write_text_to_stream (pp); |
| 111 | 1535 fflush (pp_buffer (pp)->stream); |
| 1536 } | |
| 1537 | |
| 1538 /* Flush the content of BUFFER onto the attached stream independently | |
| 1539 of the value of pp->output_buffer->flush_p. */ | |
| 1540 void | |
| 1541 pp_really_flush (pretty_printer *pp) | |
| 1542 { | |
| 0 | 1543 pp_clear_state (pp); |
| 111 | 1544 pp_write_text_to_stream (pp); |
| 1545 fflush (pp_buffer (pp)->stream); | |
| 0 | 1546 } |
| 1547 | |
| 1548 /* Sets the number of maximum characters per line PRETTY-PRINTER can | |
| 1549 output in line-wrapping mode. A LENGTH value 0 suppresses | |
| 1550 line-wrapping. */ | |
| 1551 void | |
| 111 | 1552 pp_set_line_maximum_length (pretty_printer *pp, int length) |
| 0 | 1553 { |
| 1554 pp_line_cutoff (pp) = length; | |
| 1555 pp_set_real_maximum_length (pp); | |
| 1556 } | |
| 1557 | |
| 1558 /* Clear PRETTY-PRINTER output area text info. */ | |
| 1559 void | |
| 111 | 1560 pp_clear_output_area (pretty_printer *pp) |
| 0 | 1561 { |
| 111 | 1562 obstack_free (pp_buffer (pp)->obstack, |
| 1563 obstack_base (pp_buffer (pp)->obstack)); | |
| 1564 pp_buffer (pp)->line_length = 0; | |
| 0 | 1565 } |
| 1566 | |
| 131 | 1567 /* Set PREFIX for PRETTY-PRINTER, taking ownership of PREFIX, which |
| 1568 will eventually be free-ed. */ | |
| 1569 | |
| 0 | 1570 void |
| 131 | 1571 pp_set_prefix (pretty_printer *pp, char *prefix) |
| 0 | 1572 { |
| 131 | 1573 free (pp->prefix); |
| 0 | 1574 pp->prefix = prefix; |
| 1575 pp_set_real_maximum_length (pp); | |
| 1576 pp->emitted_prefix = false; | |
| 1577 pp_indentation (pp) = 0; | |
| 1578 } | |
| 1579 | |
| 131 | 1580 /* Take ownership of PP's prefix, setting it to NULL. |
| 1581 This allows clients to save, overide, and then restore an existing | |
| 1582 prefix, without it being free-ed. */ | |
| 1583 | |
| 1584 char * | |
| 1585 pp_take_prefix (pretty_printer *pp) | |
| 1586 { | |
| 1587 char *result = pp->prefix; | |
| 1588 pp->prefix = NULL; | |
| 1589 return result; | |
| 1590 } | |
| 1591 | |
| 0 | 1592 /* Free PRETTY-PRINTER's prefix, a previously malloc()'d string. */ |
| 1593 void | |
| 111 | 1594 pp_destroy_prefix (pretty_printer *pp) |
| 0 | 1595 { |
| 1596 if (pp->prefix != NULL) | |
| 1597 { | |
| 131 | 1598 free (pp->prefix); |
| 0 | 1599 pp->prefix = NULL; |
| 1600 } | |
| 1601 } | |
| 1602 | |
| 1603 /* Write out PRETTY-PRINTER's prefix. */ | |
| 1604 void | |
| 111 | 1605 pp_emit_prefix (pretty_printer *pp) |
| 0 | 1606 { |
| 1607 if (pp->prefix != NULL) | |
| 1608 { | |
| 1609 switch (pp_prefixing_rule (pp)) | |
| 1610 { | |
| 1611 default: | |
| 1612 case DIAGNOSTICS_SHOW_PREFIX_NEVER: | |
| 1613 break; | |
| 1614 | |
| 1615 case DIAGNOSTICS_SHOW_PREFIX_ONCE: | |
| 1616 if (pp->emitted_prefix) | |
| 1617 { | |
| 111 | 1618 pp_indent (pp); |
| 0 | 1619 break; |
| 1620 } | |
| 1621 pp_indentation (pp) += 3; | |
| 1622 /* Fall through. */ | |
| 1623 | |
| 1624 case DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE: | |
| 1625 { | |
| 1626 int prefix_length = strlen (pp->prefix); | |
| 1627 pp_append_r (pp, pp->prefix, prefix_length); | |
| 1628 pp->emitted_prefix = true; | |
| 1629 } | |
| 1630 break; | |
| 1631 } | |
| 1632 } | |
| 1633 } | |
| 1634 | |
| 131 | 1635 /* Construct a PRETTY-PRINTER of MAXIMUM_LENGTH characters per line. */ |
| 111 | 1636 |
| 131 | 1637 pretty_printer::pretty_printer (int maximum_length) |
| 111 | 1638 : buffer (new (XCNEW (output_buffer)) output_buffer ()), |
| 1639 prefix (), | |
| 1640 padding (pp_none), | |
| 1641 maximum_length (), | |
| 1642 indent_skip (), | |
| 1643 wrapping (), | |
| 1644 format_decoder (), | |
| 1645 m_format_postprocessor (NULL), | |
| 1646 emitted_prefix (), | |
| 1647 need_newline (), | |
| 1648 translate_identifiers (true), | |
| 145 | 1649 show_color (), |
| 1650 show_urls (false) | |
| 0 | 1651 { |
| 131 | 1652 pp_line_cutoff (this) = maximum_length; |
| 111 | 1653 /* By default, we emit prefixes once per message. */ |
| 1654 pp_prefixing_rule (this) = DIAGNOSTICS_SHOW_PREFIX_ONCE; | |
| 131 | 1655 pp_set_prefix (this, NULL); |
| 111 | 1656 } |
| 1657 | |
| 145 | 1658 /* Copy constructor for pretty_printer. */ |
| 1659 | |
| 1660 pretty_printer::pretty_printer (const pretty_printer &other) | |
| 1661 : buffer (new (XCNEW (output_buffer)) output_buffer ()), | |
| 1662 prefix (), | |
| 1663 padding (other.padding), | |
| 1664 maximum_length (other.maximum_length), | |
| 1665 indent_skip (other.indent_skip), | |
| 1666 wrapping (other.wrapping), | |
| 1667 format_decoder (other.format_decoder), | |
| 1668 m_format_postprocessor (NULL), | |
| 1669 emitted_prefix (other.emitted_prefix), | |
| 1670 need_newline (other.need_newline), | |
| 1671 translate_identifiers (other.translate_identifiers), | |
| 1672 show_color (other.show_color), | |
| 1673 show_urls (other.show_urls) | |
| 1674 { | |
| 1675 pp_line_cutoff (this) = maximum_length; | |
| 1676 /* By default, we emit prefixes once per message. */ | |
| 1677 pp_prefixing_rule (this) = pp_prefixing_rule (&other); | |
| 1678 pp_set_prefix (this, NULL); | |
| 1679 | |
| 1680 if (other.m_format_postprocessor) | |
| 1681 m_format_postprocessor = other.m_format_postprocessor->clone (); | |
| 1682 } | |
| 1683 | |
| 111 | 1684 pretty_printer::~pretty_printer () |
| 1685 { | |
| 1686 if (m_format_postprocessor) | |
| 1687 delete m_format_postprocessor; | |
| 1688 buffer->~output_buffer (); | |
| 1689 XDELETE (buffer); | |
| 131 | 1690 free (prefix); |
| 0 | 1691 } |
| 1692 | |
| 145 | 1693 /* Base class implementation of pretty_printer::clone vfunc. */ |
| 1694 | |
| 1695 pretty_printer * | |
| 1696 pretty_printer::clone () const | |
| 1697 { | |
| 1698 return new pretty_printer (*this); | |
| 1699 } | |
| 1700 | |
| 0 | 1701 /* Append a string delimited by START and END to the output area of |
| 1702 PRETTY-PRINTER. No line wrapping is done. However, if beginning a | |
| 1703 new line then emit PRETTY-PRINTER's prefix and skip any leading | |
| 1704 whitespace if appropriate. The caller must ensure that it is | |
| 1705 safe to do so. */ | |
| 1706 void | |
| 111 | 1707 pp_append_text (pretty_printer *pp, const char *start, const char *end) |
| 0 | 1708 { |
| 1709 /* Emit prefix and skip whitespace if we're starting a new line. */ | |
| 111 | 1710 if (pp_buffer (pp)->line_length == 0) |
| 0 | 1711 { |
| 1712 pp_emit_prefix (pp); | |
| 1713 if (pp_is_wrapping_line (pp)) | |
| 1714 while (start != end && *start == ' ') | |
| 1715 ++start; | |
| 1716 } | |
| 1717 pp_append_r (pp, start, end - start); | |
| 1718 } | |
| 1719 | |
| 1720 /* Finishes constructing a NULL-terminated character string representing | |
| 1721 the PRETTY-PRINTED text. */ | |
| 1722 const char * | |
| 111 | 1723 pp_formatted_text (pretty_printer *pp) |
| 0 | 1724 { |
| 111 | 1725 return output_buffer_formatted_text (pp_buffer (pp)); |
| 0 | 1726 } |
| 1727 | |
| 1728 /* Return a pointer to the last character emitted in PRETTY-PRINTER's | |
| 1729 output area. A NULL pointer means no character available. */ | |
| 1730 const char * | |
| 111 | 1731 pp_last_position_in_text (const pretty_printer *pp) |
| 0 | 1732 { |
| 111 | 1733 return output_buffer_last_position_in_text (pp_buffer (pp)); |
| 0 | 1734 } |
| 1735 | |
| 1736 /* Return the amount of characters PRETTY-PRINTER can accept to | |
| 1737 make a full line. Meaningful only in line-wrapping mode. */ | |
| 1738 int | |
| 111 | 1739 pp_remaining_character_count_for_line (pretty_printer *pp) |
| 0 | 1740 { |
| 111 | 1741 return pp->maximum_length - pp_buffer (pp)->line_length; |
| 0 | 1742 } |
| 1743 | |
| 1744 | |
| 1745 /* Format a message into BUFFER a la printf. */ | |
| 1746 void | |
| 1747 pp_printf (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 (pp, &text); | |
| 1757 pp_output_formatted_text (pp); | |
| 1758 va_end (ap); | |
| 1759 } | |
| 1760 | |
| 1761 | |
| 1762 /* Output MESSAGE verbatim into BUFFER. */ | |
| 1763 void | |
| 1764 pp_verbatim (pretty_printer *pp, const char *msg, ...) | |
| 1765 { | |
| 1766 text_info text; | |
| 1767 va_list ap; | |
| 1768 | |
| 1769 va_start (ap, msg); | |
| 1770 text.err_no = errno; | |
| 1771 text.args_ptr = ≈ | |
| 1772 text.format_spec = msg; | |
| 1773 pp_format_verbatim (pp, &text); | |
| 1774 va_end (ap); | |
| 1775 } | |
| 1776 | |
| 1777 | |
| 1778 | |
| 1779 /* Have PRETTY-PRINTER start a new line. */ | |
| 1780 void | |
| 111 | 1781 pp_newline (pretty_printer *pp) |
| 0 | 1782 { |
| 111 | 1783 obstack_1grow (pp_buffer (pp)->obstack, '\n'); |
| 1784 pp_needs_newline (pp) = false; | |
| 1785 pp_buffer (pp)->line_length = 0; | |
| 0 | 1786 } |
| 1787 | |
| 1788 /* Have PRETTY-PRINTER add a CHARACTER. */ | |
| 1789 void | |
| 111 | 1790 pp_character (pretty_printer *pp, int c) |
| 0 | 1791 { |
| 1792 if (pp_is_wrapping_line (pp) | |
| 145 | 1793 /* If printing UTF-8, don't wrap in the middle of a sequence. */ |
| 1794 && (((unsigned int) c) & 0xC0) != 0x80 | |
| 0 | 1795 && pp_remaining_character_count_for_line (pp) <= 0) |
| 1796 { | |
| 1797 pp_newline (pp); | |
| 1798 if (ISSPACE (c)) | |
| 1799 return; | |
| 1800 } | |
| 111 | 1801 obstack_1grow (pp_buffer (pp)->obstack, c); |
| 1802 ++pp_buffer (pp)->line_length; | |
| 0 | 1803 } |
| 1804 | |
| 1805 /* Append a STRING to the output area of PRETTY-PRINTER; the STRING may | |
| 1806 be line-wrapped if in appropriate mode. */ | |
| 1807 void | |
| 111 | 1808 pp_string (pretty_printer *pp, const char *str) |
| 1809 { | |
| 1810 gcc_checking_assert (str); | |
| 1811 pp_maybe_wrap_text (pp, str, str + strlen (str)); | |
| 1812 } | |
| 1813 | |
| 1814 /* Append the leading N characters of STRING to the output area of | |
| 1815 PRETTY-PRINTER, quoting in hexadecimal non-printable characters. | |
| 1816 Setting N = -1 is as if N were set to strlen (STRING). The STRING | |
| 1817 may be line-wrapped if in appropriate mode. */ | |
| 1818 static void | |
| 1819 pp_quoted_string (pretty_printer *pp, const char *str, size_t n /* = -1 */) | |
| 0 | 1820 { |
| 111 | 1821 gcc_checking_assert (str); |
| 1822 | |
| 1823 const char *last = str; | |
| 1824 const char *ps; | |
| 1825 | |
| 1826 /* Compute the length if not specified. */ | |
| 1827 if (n == (size_t) -1) | |
| 1828 n = strlen (str); | |
| 1829 | |
| 1830 for (ps = str; n; ++ps, --n) | |
| 1831 { | |
| 1832 if (ISPRINT (*ps)) | |
| 1833 continue; | |
| 1834 | |
| 145 | 1835 /* Don't escape a valid UTF-8 extended char. */ |
| 1836 const unsigned char *ups = (const unsigned char *) ps; | |
| 1837 if (*ups & 0x80) | |
| 1838 { | |
| 1839 unsigned int extended_char; | |
| 1840 const int valid_utf8_len = decode_utf8_char (ups, n, &extended_char); | |
| 1841 if (valid_utf8_len > 0) | |
| 1842 { | |
| 1843 ps += valid_utf8_len - 1; | |
| 1844 n -= valid_utf8_len - 1; | |
| 1845 continue; | |
| 1846 } | |
| 1847 } | |
| 1848 | |
| 111 | 1849 if (last < ps) |
| 145 | 1850 pp_maybe_wrap_text (pp, last, ps); |
| 111 | 1851 |
| 1852 /* Append the hexadecimal value of the character. Allocate a buffer | |
| 1853 that's large enough for a 32-bit char plus the hex prefix. */ | |
| 1854 char buf [11]; | |
| 1855 int n = sprintf (buf, "\\x%02x", (unsigned char)*ps); | |
| 1856 pp_maybe_wrap_text (pp, buf, buf + n); | |
| 1857 last = ps + 1; | |
| 1858 } | |
| 1859 | |
| 1860 pp_maybe_wrap_text (pp, last, ps); | |
| 0 | 1861 } |
| 1862 | |
| 1863 /* Maybe print out a whitespace if needed. */ | |
| 1864 | |
| 1865 void | |
| 111 | 1866 pp_maybe_space (pretty_printer *pp) |
| 0 | 1867 { |
| 111 | 1868 if (pp->padding != pp_none) |
| 0 | 1869 { |
| 1870 pp_space (pp); | |
| 111 | 1871 pp->padding = pp_none; |
| 0 | 1872 } |
| 1873 } | |
| 111 | 1874 |
| 1875 // Add a newline to the pretty printer PP and flush formatted text. | |
| 1876 | |
| 1877 void | |
| 1878 pp_newline_and_flush (pretty_printer *pp) | |
| 1879 { | |
| 1880 pp_newline (pp); | |
| 1881 pp_flush (pp); | |
| 1882 pp_needs_newline (pp) = false; | |
| 1883 } | |
| 1884 | |
| 1885 // Add a newline to the pretty printer PP, followed by indentation. | |
| 1886 | |
| 1887 void | |
| 1888 pp_newline_and_indent (pretty_printer *pp, int n) | |
| 1889 { | |
| 1890 pp_indentation (pp) += n; | |
| 1891 pp_newline (pp); | |
| 1892 pp_indent (pp); | |
| 1893 pp_needs_newline (pp) = false; | |
| 1894 } | |
| 1895 | |
| 1896 // Add separator C, followed by a single whitespace. | |
| 1897 | |
| 1898 void | |
| 1899 pp_separate_with (pretty_printer *pp, char c) | |
| 1900 { | |
| 1901 pp_character (pp, c); | |
| 1902 pp_space (pp); | |
| 1903 } | |
| 1904 | |
| 131 | 1905 /* Add a localized open quote, and if SHOW_COLOR is true, begin colorizing |
| 1906 using the "quote" color. */ | |
| 1907 | |
| 1908 void | |
| 1909 pp_begin_quote (pretty_printer *pp, bool show_color) | |
| 1910 { | |
| 1911 pp_string (pp, open_quote); | |
| 1912 pp_string (pp, colorize_start (show_color, "quote")); | |
| 1913 } | |
| 1914 | |
| 1915 /* If SHOW_COLOR is true, stop colorizing. | |
| 1916 Add a localized close quote. */ | |
| 1917 | |
| 1918 void | |
| 1919 pp_end_quote (pretty_printer *pp, bool show_color) | |
| 1920 { | |
| 1921 pp_string (pp, colorize_stop (show_color)); | |
| 1922 pp_string (pp, close_quote); | |
| 1923 } | |
| 1924 | |
|
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1925 |
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1926 /* The string starting at P has LEN (at least 1) bytes left; if they |
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1927 start with a valid UTF-8 sequence, return the length of that |
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1928 sequence and set *VALUE to the value of that sequence, and |
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1929 otherwise return 0 and set *VALUE to (unsigned int) -1. */ |
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1930 |
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1931 static int |
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1932 decode_utf8_char (const unsigned char *p, size_t len, unsigned int *value) |
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1933 { |
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1934 unsigned int t = *p; |
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1935 |
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1936 if (len == 0) |
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1937 abort (); |
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1938 if (t & 0x80) |
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1939 { |
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1940 size_t utf8_len = 0; |
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1941 unsigned int ch; |
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1942 size_t i; |
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1943 for (t = *p; t & 0x80; t <<= 1) |
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1944 utf8_len++; |
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1945 |
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1946 if (utf8_len > len || utf8_len < 2 || utf8_len > 6) |
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1947 { |
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1948 *value = (unsigned int) -1; |
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1949 return 0; |
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1950 } |
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1951 ch = *p & ((1 << (7 - utf8_len)) - 1); |
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1952 for (i = 1; i < utf8_len; i++) |
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1953 { |
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1954 unsigned int u = p[i]; |
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1955 if ((u & 0xC0) != 0x80) |
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1956 { |
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1957 *value = (unsigned int) -1; |
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1958 return 0; |
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1959 } |
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1960 ch = (ch << 6) | (u & 0x3F); |
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1961 } |
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1962 if ( (ch <= 0x7F && utf8_len > 1) |
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1963 || (ch <= 0x7FF && utf8_len > 2) |
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1964 || (ch <= 0xFFFF && utf8_len > 3) |
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1965 || (ch <= 0x1FFFFF && utf8_len > 4) |
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1966 || (ch <= 0x3FFFFFF && utf8_len > 5) |
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1967 || (ch >= 0xD800 && ch <= 0xDFFF)) |
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1968 { |
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1969 *value = (unsigned int) -1; |
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1970 return 0; |
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1971 } |
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1972 *value = ch; |
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1973 return utf8_len; |
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1974 } |
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1975 else |
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1976 { |
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1977 *value = t; |
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1978 return 1; |
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1979 } |
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1980 } |
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1981 |
|
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1982 /* Allocator for identifier_to_locale and corresponding function to |
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1983 free memory. */ |
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1984 |
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1985 void *(*identifier_to_locale_alloc) (size_t) = xmalloc; |
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1986 void (*identifier_to_locale_free) (void *) = free; |
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1987 |
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1988 /* Given IDENT, an identifier in the internal encoding, return a |
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1989 version of IDENT suitable for diagnostics in the locale character |
|
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1990 set: either IDENT itself, or a string, allocated using |
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1991 identifier_to_locale_alloc, converted to the locale character set |
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update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
1992 and using escape sequences if not representable in the locale |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
1993 character set or containing control characters or invalid byte |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
1994 sequences. Existing backslashes in IDENT are not doubled, so the |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
1995 result may not uniquely specify the contents of an arbitrary byte |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
1996 sequence identifier. */ |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1997 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1998 const char * |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1999 identifier_to_locale (const char *ident) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2000 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2001 const unsigned char *uid = (const unsigned char *) ident; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2002 size_t idlen = strlen (ident); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2003 bool valid_printable_utf8 = true; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2004 bool all_ascii = true; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2005 size_t i; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2006 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2007 for (i = 0; i < idlen;) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2008 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2009 unsigned int c; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2010 size_t utf8_len = decode_utf8_char (&uid[i], idlen - i, &c); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2011 if (utf8_len == 0 || c <= 0x1F || (c >= 0x7F && c <= 0x9F)) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2012 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2013 valid_printable_utf8 = false; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2014 break; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2015 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2016 if (utf8_len > 1) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2017 all_ascii = false; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2018 i += utf8_len; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2019 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2020 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2021 /* If IDENT contains invalid UTF-8 sequences (which may occur with |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2022 attributes putting arbitrary byte sequences in identifiers), or |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2023 control characters, we use octal escape sequences for all bytes |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2024 outside printable ASCII. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2025 if (!valid_printable_utf8) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2026 { |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2027 char *ret = (char *) identifier_to_locale_alloc (4 * idlen + 1); |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2028 char *p = ret; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2029 for (i = 0; i < idlen; i++) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2030 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2031 if (uid[i] > 0x1F && uid[i] < 0x7F) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2032 *p++ = uid[i]; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2033 else |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2034 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2035 sprintf (p, "\\%03o", uid[i]); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2036 p += 4; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2037 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2038 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2039 *p = 0; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2040 return ret; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2041 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2042 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2043 /* Otherwise, if it is valid printable ASCII, or printable UTF-8 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2044 with the locale character set being UTF-8, IDENT is used. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2045 if (all_ascii || locale_utf8) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2046 return ident; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2047 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2048 /* Otherwise IDENT is converted to the locale character set if |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2049 possible. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2050 #if defined ENABLE_NLS && defined HAVE_LANGINFO_CODESET && HAVE_ICONV |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2051 if (locale_encoding != NULL) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2052 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2053 iconv_t cd = iconv_open (locale_encoding, "UTF-8"); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2054 bool conversion_ok = true; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2055 char *ret = NULL; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2056 if (cd != (iconv_t) -1) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2057 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2058 size_t ret_alloc = 4 * idlen + 1; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2059 for (;;) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2060 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2061 /* Repeat the whole conversion process as needed with |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2062 larger buffers so non-reversible transformations can |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2063 always be detected. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2064 ICONV_CONST char *inbuf = CONST_CAST (char *, ident); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2065 char *outbuf; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2066 size_t inbytesleft = idlen; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2067 size_t outbytesleft = ret_alloc - 1; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2068 size_t iconv_ret; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2069 |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2070 ret = (char *) identifier_to_locale_alloc (ret_alloc); |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2071 outbuf = ret; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2072 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2073 if (iconv (cd, 0, 0, 0, 0) == (size_t) -1) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2074 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2075 conversion_ok = false; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2076 break; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2077 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2078 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2079 iconv_ret = iconv (cd, &inbuf, &inbytesleft, |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2080 &outbuf, &outbytesleft); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2081 if (iconv_ret == (size_t) -1 || inbytesleft != 0) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2082 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2083 if (errno == E2BIG) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2084 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2085 ret_alloc *= 2; |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2086 identifier_to_locale_free (ret); |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2087 ret = NULL; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2088 continue; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2089 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2090 else |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2091 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2092 conversion_ok = false; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2093 break; |
|
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|
2094 } |
|
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diff
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|
2095 } |
|
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parents:
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diff
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|
2096 else if (iconv_ret != 0) |
|
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|
2097 { |
|
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|
2098 conversion_ok = false; |
|
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|
2099 break; |
|
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|
2100 } |
|
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|
2101 /* Return to initial shift state. */ |
|
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|
2102 if (iconv (cd, 0, 0, &outbuf, &outbytesleft) == (size_t) -1) |
|
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parents:
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diff
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|
2103 { |
|
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|
2104 if (errno == E2BIG) |
|
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parents:
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|
2105 { |
|
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diff
changeset
|
2106 ret_alloc *= 2; |
|
67
f6334be47118
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diff
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|
2107 identifier_to_locale_free (ret); |
|
55
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|
2108 ret = NULL; |
|
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|
2109 continue; |
|
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parents:
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|
2110 } |
|
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|
2111 else |
|
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|
2112 { |
|
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|
2113 conversion_ok = false; |
|
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|
2114 break; |
|
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|
2115 } |
|
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|
2116 } |
|
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|
2117 *outbuf = 0; |
|
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diff
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|
2118 break; |
|
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|
2119 } |
|
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|
2120 iconv_close (cd); |
|
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|
2121 if (conversion_ok) |
|
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|
2122 return ret; |
|
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|
2123 } |
|
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diff
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|
2124 } |
|
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|
2125 #endif |
|
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|
2126 |
|
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diff
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|
2127 /* Otherwise, convert non-ASCII characters in IDENT to UCNs. */ |
|
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diff
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|
2128 { |
|
67
f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
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diff
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|
2129 char *ret = (char *) identifier_to_locale_alloc (10 * idlen + 1); |
|
55
77e2b8dfacca
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|
2130 char *p = ret; |
|
77e2b8dfacca
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|
2131 for (i = 0; i < idlen;) |
|
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parents:
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|
2132 { |
|
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|
2133 unsigned int c; |
|
77e2b8dfacca
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diff
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|
2134 size_t utf8_len = decode_utf8_char (&uid[i], idlen - i, &c); |
|
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
|
2135 if (utf8_len == 1) |
|
77e2b8dfacca
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parents:
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diff
changeset
|
2136 *p++ = uid[i]; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
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diff
changeset
|
2137 else |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
2138 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2139 sprintf (p, "\\U%08x", c); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
2140 p += 10; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
2141 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
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diff
changeset
|
2142 i += utf8_len; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
2143 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
2144 *p = 0; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
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diff
changeset
|
2145 return ret; |
|
77e2b8dfacca
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parents:
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diff
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|
2146 } |
|
77e2b8dfacca
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parents:
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diff
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|
2147 } |
| 111 | 2148 |
| 145 | 2149 /* Support for encoding URLs. |
| 2150 See egmontkob/Hyperlinks_in_Terminal_Emulators.md | |
| 2151 ( https://gist.github.com/egmontkob/eb114294efbcd5adb1944c9f3cb5feda ). | |
| 2152 | |
| 2153 > A hyperlink is opened upon encountering an OSC 8 escape sequence with | |
| 2154 > the target URI. The syntax is | |
| 2155 > | |
| 2156 > OSC 8 ; params ; URI ST | |
| 2157 > | |
| 2158 > A hyperlink is closed with the same escape sequence, omitting the | |
| 2159 > parameters and the URI but keeping the separators: | |
| 2160 > | |
| 2161 > OSC 8 ; ; ST | |
| 2162 > | |
| 2163 > OSC (operating system command) is typically ESC ]. | |
| 2164 | |
| 2165 Use BEL instead of ST, as that is currently rendered better in some | |
| 2166 terminal emulators that don't support OSC 8, like konsole. */ | |
| 2167 | |
| 2168 /* If URL-printing is enabled, write an "open URL" escape sequence to PP | |
| 2169 for the given URL. */ | |
| 2170 | |
| 2171 void | |
| 2172 pp_begin_url (pretty_printer *pp, const char *url) | |
| 2173 { | |
| 2174 if (pp->show_urls) | |
| 2175 pp_printf (pp, "\33]8;;%s\a", url); | |
| 2176 } | |
| 2177 | |
| 2178 /* If URL-printing is enabled, write a "close URL" escape sequence to PP. */ | |
| 2179 | |
| 2180 void | |
| 2181 pp_end_url (pretty_printer *pp) | |
| 2182 { | |
| 2183 if (pp->show_urls) | |
| 2184 pp_string (pp, "\33]8;;\a"); | |
| 2185 } | |
| 2186 | |
| 111 | 2187 #if CHECKING_P |
| 2188 | |
| 2189 namespace selftest { | |
| 2190 | |
| 2191 /* Smoketest for pretty_printer. */ | |
| 2192 | |
| 2193 static void | |
| 2194 test_basic_printing () | |
| 2195 { | |
| 2196 pretty_printer pp; | |
| 2197 pp_string (&pp, "hello"); | |
| 2198 pp_space (&pp); | |
| 2199 pp_string (&pp, "world"); | |
| 2200 | |
| 2201 ASSERT_STREQ ("hello world", pp_formatted_text (&pp)); | |
| 2202 } | |
| 2203 | |
| 2204 /* Helper function for testing pp_format. | |
| 2205 Verify that pp_format (FMT, ...) followed by pp_output_formatted_text | |
| 2206 prints EXPECTED, assuming that pp_show_color is SHOW_COLOR. */ | |
| 2207 | |
| 2208 static void | |
| 2209 assert_pp_format_va (const location &loc, const char *expected, | |
| 2210 bool show_color, const char *fmt, va_list *ap) | |
| 2211 { | |
| 2212 pretty_printer pp; | |
| 2213 text_info ti; | |
| 2214 rich_location rich_loc (line_table, UNKNOWN_LOCATION); | |
| 2215 | |
| 2216 ti.format_spec = fmt; | |
| 2217 ti.args_ptr = ap; | |
| 2218 ti.err_no = 0; | |
| 2219 ti.x_data = NULL; | |
| 2220 ti.m_richloc = &rich_loc; | |
| 2221 | |
| 2222 pp_show_color (&pp) = show_color; | |
| 2223 pp_format (&pp, &ti); | |
| 2224 pp_output_formatted_text (&pp); | |
| 2225 ASSERT_STREQ_AT (loc, expected, pp_formatted_text (&pp)); | |
| 2226 } | |
| 2227 | |
| 2228 /* Verify that pp_format (FMT, ...) followed by pp_output_formatted_text | |
| 2229 prints EXPECTED, with show_color disabled. */ | |
| 2230 | |
| 2231 static void | |
| 2232 assert_pp_format (const location &loc, const char *expected, | |
| 2233 const char *fmt, ...) | |
| 2234 { | |
| 2235 va_list ap; | |
| 2236 | |
| 2237 va_start (ap, fmt); | |
| 2238 assert_pp_format_va (loc, expected, false, fmt, &ap); | |
| 2239 va_end (ap); | |
| 2240 } | |
| 2241 | |
| 2242 /* As above, but with colorization enabled. */ | |
| 2243 | |
| 2244 static void | |
| 2245 assert_pp_format_colored (const location &loc, const char *expected, | |
| 2246 const char *fmt, ...) | |
| 2247 { | |
| 2248 /* The tests of colorization assume the default color scheme. | |
| 2249 If GCC_COLORS is set, then the colors have potentially been | |
| 2250 overridden; skip the test. */ | |
| 2251 if (getenv ("GCC_COLORS")) | |
| 2252 return; | |
| 2253 | |
| 2254 va_list ap; | |
| 2255 | |
| 2256 va_start (ap, fmt); | |
| 2257 assert_pp_format_va (loc, expected, true, fmt, &ap); | |
| 2258 va_end (ap); | |
| 2259 } | |
| 2260 | |
| 2261 /* Helper function for calling testing pp_format, | |
| 2262 by calling assert_pp_format with various numbers of arguments. | |
| 2263 These exist mostly to avoid having to write SELFTEST_LOCATION | |
| 2264 throughout test_pp_format. */ | |
| 2265 | |
| 2266 #define ASSERT_PP_FORMAT_1(EXPECTED, FMT, ARG1) \ | |
| 2267 SELFTEST_BEGIN_STMT \ | |
| 2268 assert_pp_format ((SELFTEST_LOCATION), (EXPECTED), (FMT), \ | |
| 2269 (ARG1)); \ | |
| 2270 SELFTEST_END_STMT | |
| 2271 | |
| 2272 #define ASSERT_PP_FORMAT_2(EXPECTED, FMT, ARG1, ARG2) \ | |
| 2273 SELFTEST_BEGIN_STMT \ | |
| 2274 assert_pp_format ((SELFTEST_LOCATION), (EXPECTED), (FMT), \ | |
| 2275 (ARG1), (ARG2)); \ | |
| 2276 SELFTEST_END_STMT | |
| 2277 | |
| 2278 #define ASSERT_PP_FORMAT_3(EXPECTED, FMT, ARG1, ARG2, ARG3) \ | |
| 2279 SELFTEST_BEGIN_STMT \ | |
| 2280 assert_pp_format ((SELFTEST_LOCATION), (EXPECTED), (FMT), \ | |
| 2281 (ARG1), (ARG2), (ARG3)); \ | |
| 2282 SELFTEST_END_STMT | |
| 2283 | |
| 2284 /* Verify that pp_format works, for various format codes. */ | |
| 2285 | |
| 2286 static void | |
| 2287 test_pp_format () | |
| 2288 { | |
| 2289 /* Avoid introducing locale-specific differences in the results | |
| 2290 by hardcoding open_quote and close_quote. */ | |
| 131 | 2291 auto_fix_quotes fix_quotes; |
| 111 | 2292 |
| 2293 /* Verify that plain text is passed through unchanged. */ | |
| 2294 assert_pp_format (SELFTEST_LOCATION, "unformatted", "unformatted"); | |
| 2295 | |
| 2296 /* Verify various individual format codes, in the order listed in the | |
| 2297 comment for pp_format above. For each code, we append a second | |
| 2298 argument with a known bit pattern (0x12345678), to ensure that we | |
| 2299 are consuming arguments correctly. */ | |
| 2300 ASSERT_PP_FORMAT_2 ("-27 12345678", "%d %x", -27, 0x12345678); | |
| 2301 ASSERT_PP_FORMAT_2 ("-5 12345678", "%i %x", -5, 0x12345678); | |
| 2302 ASSERT_PP_FORMAT_2 ("10 12345678", "%u %x", 10, 0x12345678); | |
| 2303 ASSERT_PP_FORMAT_2 ("17 12345678", "%o %x", 15, 0x12345678); | |
| 2304 ASSERT_PP_FORMAT_2 ("cafebabe 12345678", "%x %x", 0xcafebabe, 0x12345678); | |
| 2305 ASSERT_PP_FORMAT_2 ("-27 12345678", "%ld %x", (long)-27, 0x12345678); | |
| 2306 ASSERT_PP_FORMAT_2 ("-5 12345678", "%li %x", (long)-5, 0x12345678); | |
| 2307 ASSERT_PP_FORMAT_2 ("10 12345678", "%lu %x", (long)10, 0x12345678); | |
| 2308 ASSERT_PP_FORMAT_2 ("17 12345678", "%lo %x", (long)15, 0x12345678); | |
| 2309 ASSERT_PP_FORMAT_2 ("cafebabe 12345678", "%lx %x", (long)0xcafebabe, | |
| 2310 0x12345678); | |
| 2311 ASSERT_PP_FORMAT_2 ("-27 12345678", "%lld %x", (long long)-27, 0x12345678); | |
| 2312 ASSERT_PP_FORMAT_2 ("-5 12345678", "%lli %x", (long long)-5, 0x12345678); | |
| 2313 ASSERT_PP_FORMAT_2 ("10 12345678", "%llu %x", (long long)10, 0x12345678); | |
| 2314 ASSERT_PP_FORMAT_2 ("17 12345678", "%llo %x", (long long)15, 0x12345678); | |
| 2315 ASSERT_PP_FORMAT_2 ("cafebabe 12345678", "%llx %x", (long long)0xcafebabe, | |
| 2316 0x12345678); | |
| 2317 ASSERT_PP_FORMAT_2 ("-27 12345678", "%wd %x", (HOST_WIDE_INT)-27, 0x12345678); | |
| 2318 ASSERT_PP_FORMAT_2 ("-5 12345678", "%wi %x", (HOST_WIDE_INT)-5, 0x12345678); | |
| 2319 ASSERT_PP_FORMAT_2 ("10 12345678", "%wu %x", (unsigned HOST_WIDE_INT)10, | |
| 2320 0x12345678); | |
| 2321 ASSERT_PP_FORMAT_2 ("17 12345678", "%wo %x", (HOST_WIDE_INT)15, 0x12345678); | |
| 2322 ASSERT_PP_FORMAT_2 ("0xcafebabe 12345678", "%wx %x", (HOST_WIDE_INT)0xcafebabe, | |
| 2323 0x12345678); | |
| 145 | 2324 ASSERT_PP_FORMAT_2 ("1.000000 12345678", "%f %x", 1.0, 0x12345678); |
| 111 | 2325 ASSERT_PP_FORMAT_2 ("A 12345678", "%c %x", 'A', 0x12345678); |
| 2326 ASSERT_PP_FORMAT_2 ("hello world 12345678", "%s %x", "hello world", | |
| 2327 0x12345678); | |
| 2328 | |
| 2329 /* Not nul-terminated. */ | |
| 2330 char arr[5] = { '1', '2', '3', '4', '5' }; | |
| 2331 ASSERT_PP_FORMAT_3 ("123 12345678", "%.*s %x", 3, arr, 0x12345678); | |
| 2332 ASSERT_PP_FORMAT_3 ("1234 12345678", "%.*s %x", -1, "1234", 0x12345678); | |
| 2333 ASSERT_PP_FORMAT_3 ("12345 12345678", "%.*s %x", 7, "12345", 0x12345678); | |
| 2334 | |
| 2335 /* We can't test for %p; the pointer is printed in an implementation-defined | |
| 2336 manner. */ | |
| 2337 ASSERT_PP_FORMAT_2 ("normal colored normal 12345678", | |
| 2338 "normal %rcolored%R normal %x", | |
| 2339 "error", 0x12345678); | |
| 2340 assert_pp_format_colored | |
| 2341 (SELFTEST_LOCATION, | |
| 2342 "normal \33[01;31m\33[Kcolored\33[m\33[K normal 12345678", | |
| 2343 "normal %rcolored%R normal %x", "error", 0x12345678); | |
| 2344 /* TODO: | |
| 2345 %m: strerror(text->err_no) - does not consume a value from args_ptr. */ | |
| 2346 ASSERT_PP_FORMAT_1 ("% 12345678", "%% %x", 0x12345678); | |
| 2347 ASSERT_PP_FORMAT_1 ("` 12345678", "%< %x", 0x12345678); | |
| 2348 ASSERT_PP_FORMAT_1 ("' 12345678", "%> %x", 0x12345678); | |
| 2349 ASSERT_PP_FORMAT_1 ("' 12345678", "%' %x", 0x12345678); | |
| 2350 ASSERT_PP_FORMAT_3 ("abc 12345678", "%.*s %x", 3, "abcdef", 0x12345678); | |
| 2351 ASSERT_PP_FORMAT_2 ("abc 12345678", "%.3s %x", "abcdef", 0x12345678); | |
| 2352 | |
| 2353 /* Verify flag 'q'. */ | |
| 2354 ASSERT_PP_FORMAT_2 ("`foo' 12345678", "%qs %x", "foo", 0x12345678); | |
| 2355 assert_pp_format_colored (SELFTEST_LOCATION, | |
| 2356 "`\33[01m\33[Kfoo\33[m\33[K' 12345678", "%qs %x", | |
| 2357 "foo", 0x12345678); | |
| 145 | 2358 /* Verify "%@". */ |
| 2359 { | |
| 2360 diagnostic_event_id_t first (2); | |
| 2361 diagnostic_event_id_t second (7); | |
| 2362 | |
| 2363 ASSERT_PP_FORMAT_2 ("first `free' at (3); second `free' at (8)", | |
| 2364 "first %<free%> at %@; second %<free%> at %@", | |
| 2365 &first, &second); | |
| 2366 assert_pp_format_colored | |
| 2367 (SELFTEST_LOCATION, | |
| 2368 "first `[01m[Kfree[m[K' at [01;36m[K(3)[m[K;" | |
| 2369 " second `[01m[Kfree[m[K' at [01;36m[K(8)[m[K", | |
| 2370 "first %<free%> at %@; second %<free%> at %@", | |
| 2371 &first, &second); | |
| 2372 } | |
| 111 | 2373 |
| 2374 /* Verify %Z. */ | |
| 2375 int v[] = { 1, 2, 3 }; | |
| 2376 ASSERT_PP_FORMAT_3 ("1, 2, 3 12345678", "%Z %x", v, 3, 0x12345678); | |
| 2377 | |
| 2378 int v2[] = { 0 }; | |
| 2379 ASSERT_PP_FORMAT_3 ("0 12345678", "%Z %x", v2, 1, 0x12345678); | |
| 2380 | |
| 2381 /* Verify that combinations work, along with unformatted text. */ | |
| 2382 assert_pp_format (SELFTEST_LOCATION, | |
| 2383 "the quick brown fox jumps over the lazy dog", | |
| 2384 "the %s %s %s jumps over the %s %s", | |
| 2385 "quick", "brown", "fox", "lazy", "dog"); | |
| 2386 assert_pp_format (SELFTEST_LOCATION, "item 3 of 7", "item %i of %i", 3, 7); | |
| 2387 assert_pp_format (SELFTEST_LOCATION, "problem with `bar' at line 10", | |
| 2388 "problem with %qs at line %i", "bar", 10); | |
| 2389 } | |
| 2390 | |
| 145 | 2391 /* A subclass of pretty_printer for use by test_prefixes_and_wrapping. */ |
| 2392 | |
| 2393 class test_pretty_printer : public pretty_printer | |
| 2394 { | |
| 2395 public: | |
| 2396 test_pretty_printer (enum diagnostic_prefixing_rule_t rule, | |
| 2397 int max_line_length) | |
| 2398 { | |
| 2399 pp_set_prefix (this, xstrdup ("PREFIX: ")); | |
| 2400 wrapping.rule = rule; | |
| 2401 pp_set_line_maximum_length (this, max_line_length); | |
| 2402 } | |
| 2403 }; | |
| 2404 | |
| 2405 /* Verify that the various values of enum diagnostic_prefixing_rule_t work | |
| 2406 as expected, with and without line wrapping. */ | |
| 2407 | |
| 2408 static void | |
| 2409 test_prefixes_and_wrapping () | |
| 2410 { | |
| 2411 /* Tests of the various prefixing rules, without wrapping. | |
| 2412 Newlines embedded in pp_string don't affect it; we have to | |
| 2413 explicitly call pp_newline. */ | |
| 2414 { | |
| 2415 test_pretty_printer pp (DIAGNOSTICS_SHOW_PREFIX_ONCE, 0); | |
| 2416 pp_string (&pp, "the quick brown fox"); | |
| 2417 pp_newline (&pp); | |
| 2418 pp_string (&pp, "jumps over the lazy dog"); | |
| 2419 pp_newline (&pp); | |
| 2420 ASSERT_STREQ (pp_formatted_text (&pp), | |
| 2421 "PREFIX: the quick brown fox\n" | |
| 2422 " jumps over the lazy dog\n"); | |
| 2423 } | |
| 2424 { | |
| 2425 test_pretty_printer pp (DIAGNOSTICS_SHOW_PREFIX_NEVER, 0); | |
| 2426 pp_string (&pp, "the quick brown fox"); | |
| 2427 pp_newline (&pp); | |
| 2428 pp_string (&pp, "jumps over the lazy dog"); | |
| 2429 pp_newline (&pp); | |
| 2430 ASSERT_STREQ (pp_formatted_text (&pp), | |
| 2431 "the quick brown fox\n" | |
| 2432 "jumps over the lazy dog\n"); | |
| 2433 } | |
| 2434 { | |
| 2435 test_pretty_printer pp (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE, 0); | |
| 2436 pp_string (&pp, "the quick brown fox"); | |
| 2437 pp_newline (&pp); | |
| 2438 pp_string (&pp, "jumps over the lazy dog"); | |
| 2439 pp_newline (&pp); | |
| 2440 ASSERT_STREQ (pp_formatted_text (&pp), | |
| 2441 "PREFIX: the quick brown fox\n" | |
| 2442 "PREFIX: jumps over the lazy dog\n"); | |
| 2443 } | |
| 2444 | |
| 2445 /* Tests of the various prefixing rules, with wrapping. */ | |
| 2446 { | |
| 2447 test_pretty_printer pp (DIAGNOSTICS_SHOW_PREFIX_ONCE, 20); | |
| 2448 pp_string (&pp, "the quick brown fox jumps over the lazy dog"); | |
| 2449 pp_newline (&pp); | |
| 2450 pp_string (&pp, "able was I ere I saw elba"); | |
| 2451 pp_newline (&pp); | |
| 2452 ASSERT_STREQ (pp_formatted_text (&pp), | |
| 2453 "PREFIX: the quick \n" | |
| 2454 " brown fox jumps \n" | |
| 2455 " over the lazy \n" | |
| 2456 " dog\n" | |
| 2457 " able was I ere I \n" | |
| 2458 " saw elba\n"); | |
| 2459 } | |
| 2460 { | |
| 2461 test_pretty_printer pp (DIAGNOSTICS_SHOW_PREFIX_NEVER, 20); | |
| 2462 pp_string (&pp, "the quick brown fox jumps over the lazy dog"); | |
| 2463 pp_newline (&pp); | |
| 2464 pp_string (&pp, "able was I ere I saw elba"); | |
| 2465 pp_newline (&pp); | |
| 2466 ASSERT_STREQ (pp_formatted_text (&pp), | |
| 2467 "the quick brown fox \n" | |
| 2468 "jumps over the lazy \n" | |
| 2469 "dog\n" | |
| 2470 "able was I ere I \n" | |
| 2471 "saw elba\n"); | |
| 2472 } | |
| 2473 { | |
| 2474 test_pretty_printer pp (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE, 20); | |
| 2475 pp_string (&pp, "the quick brown fox jumps over the lazy dog"); | |
| 2476 pp_newline (&pp); | |
| 2477 pp_string (&pp, "able was I ere I saw elba"); | |
| 2478 pp_newline (&pp); | |
| 2479 ASSERT_STREQ (pp_formatted_text (&pp), | |
| 2480 "PREFIX: the quick brown fox jumps over the lazy dog\n" | |
| 2481 "PREFIX: able was I ere I saw elba\n"); | |
| 2482 } | |
| 2483 | |
| 2484 } | |
| 2485 | |
| 2486 /* Verify that URL-printing works as expected. */ | |
| 2487 | |
| 2488 void | |
| 2489 test_urls () | |
| 2490 { | |
| 2491 { | |
| 2492 pretty_printer pp; | |
| 2493 pp.show_urls = false; | |
| 2494 pp_begin_url (&pp, "http://example.com"); | |
| 2495 pp_string (&pp, "This is a link"); | |
| 2496 pp_end_url (&pp); | |
| 2497 ASSERT_STREQ ("This is a link", | |
| 2498 pp_formatted_text (&pp)); | |
| 2499 } | |
| 2500 | |
| 2501 { | |
| 2502 pretty_printer pp; | |
| 2503 pp.show_urls = true; | |
| 2504 pp_begin_url (&pp, "http://example.com"); | |
| 2505 pp_string (&pp, "This is a link"); | |
| 2506 pp_end_url (&pp); | |
| 2507 ASSERT_STREQ ("\33]8;;http://example.com\aThis is a link\33]8;;\a", | |
| 2508 pp_formatted_text (&pp)); | |
| 2509 } | |
| 2510 } | |
| 2511 | |
| 2512 /* Test multibyte awareness. */ | |
| 2513 static void test_utf8 () | |
| 2514 { | |
| 2515 | |
| 2516 /* Check that pp_quoted_string leaves valid UTF-8 alone. */ | |
| 2517 { | |
| 2518 pretty_printer pp; | |
| 2519 const char *s = "\xf0\x9f\x98\x82"; | |
| 2520 pp_quoted_string (&pp, s); | |
| 2521 ASSERT_STREQ (pp_formatted_text (&pp), s); | |
| 2522 } | |
| 2523 | |
| 2524 /* Check that pp_quoted_string escapes non-UTF-8 nonprintable bytes. */ | |
| 2525 { | |
| 2526 pretty_printer pp; | |
| 2527 pp_quoted_string (&pp, "\xf0!\x9f\x98\x82"); | |
| 2528 ASSERT_STREQ (pp_formatted_text (&pp), | |
| 2529 "\\xf0!\\x9f\\x98\\x82"); | |
| 2530 } | |
| 2531 | |
| 2532 /* Check that pp_character will line-wrap at the beginning of a UTF-8 | |
| 2533 sequence, but not in the middle. */ | |
| 2534 { | |
| 2535 pretty_printer pp (3); | |
| 2536 const char s[] = "---\xf0\x9f\x98\x82"; | |
| 2537 for (int i = 0; i != sizeof (s) - 1; ++i) | |
| 2538 pp_character (&pp, s[i]); | |
| 2539 pp_newline (&pp); | |
| 2540 for (int i = 1; i != sizeof (s) - 1; ++i) | |
| 2541 pp_character (&pp, s[i]); | |
| 2542 pp_character (&pp, '-'); | |
| 2543 ASSERT_STREQ (pp_formatted_text (&pp), | |
| 2544 "---\n" | |
| 2545 "\xf0\x9f\x98\x82\n" | |
| 2546 "--\xf0\x9f\x98\x82\n" | |
| 2547 "-"); | |
| 2548 } | |
| 2549 | |
| 2550 } | |
| 2551 | |
| 111 | 2552 /* Run all of the selftests within this file. */ |
| 2553 | |
| 2554 void | |
| 2555 pretty_print_c_tests () | |
| 2556 { | |
| 2557 test_basic_printing (); | |
| 2558 test_pp_format (); | |
| 145 | 2559 test_prefixes_and_wrapping (); |
| 2560 test_urls (); | |
| 2561 test_utf8 (); | |
| 111 | 2562 } |
| 2563 | |
| 2564 } // namespace selftest | |
| 2565 | |
| 2566 #endif /* CHECKING_P */ |