Mercurial > hg > CbC > CbC_gcc
annotate gcc/pretty-print.c @ 65:65488c3d617d
remove unnecessary filese
author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
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date | Tue, 25 May 2010 18:58:51 +0900 |
parents | b7f97abdc517 |
children | f6334be47118 |
rev | line source |
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0 | 1 /* Various declarations for language-independent pretty-print subroutines. |
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2 Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009, 2010 |
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3 Free Software Foundation, Inc. |
0 | 4 Contributed by Gabriel Dos Reis <gdr@integrable-solutions.net> |
5 | |
6 This file is part of GCC. | |
7 | |
8 GCC is free software; you can redistribute it and/or modify it under | |
9 the terms of the GNU General Public License as published by the Free | |
10 Software Foundation; either version 3, or (at your option) any later | |
11 version. | |
12 | |
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 for more details. | |
17 | |
18 You should have received a copy of the GNU General Public License | |
19 along with GCC; see the file COPYING3. If not see | |
20 <http://www.gnu.org/licenses/>. */ | |
21 | |
22 #include "config.h" | |
23 #include "system.h" | |
24 #include "coretypes.h" | |
25 #include "intl.h" | |
26 #include "pretty-print.h" | |
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27 #include "ggc.h" |
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28 |
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29 #if HAVE_ICONV |
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30 #include <iconv.h> |
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31 #endif |
0 | 32 |
33 #define obstack_chunk_alloc xmalloc | |
34 #define obstack_chunk_free free | |
35 | |
36 /* A pointer to the formatted diagnostic message. */ | |
37 #define pp_formatted_text_data(PP) \ | |
38 ((const char *) obstack_base (pp_base (PP)->buffer->obstack)) | |
39 | |
40 /* Format an integer given by va_arg (ARG, type-specifier T) where | |
41 type-specifier is a precision modifier as indicated by PREC. F is | |
42 a string used to construct the appropriate format-specifier. */ | |
43 #define pp_integer_with_precision(PP, ARG, PREC, T, F) \ | |
44 do \ | |
45 switch (PREC) \ | |
46 { \ | |
47 case 0: \ | |
48 pp_scalar (PP, "%" F, va_arg (ARG, T)); \ | |
49 break; \ | |
50 \ | |
51 case 1: \ | |
52 pp_scalar (PP, "%l" F, va_arg (ARG, long T)); \ | |
53 break; \ | |
54 \ | |
55 case 2: \ | |
56 pp_scalar (PP, "%" HOST_LONG_LONG_FORMAT F, va_arg (ARG, long long T)); \ | |
57 break; \ | |
58 \ | |
59 default: \ | |
60 break; \ | |
61 } \ | |
62 while (0) | |
63 | |
64 | |
65 /* Subroutine of pp_set_maximum_length. Set up PRETTY-PRINTER's | |
66 internal maximum characters per line. */ | |
67 static void | |
68 pp_set_real_maximum_length (pretty_printer *pp) | |
69 { | |
70 /* If we're told not to wrap lines then do the obvious thing. In case | |
71 we'll emit prefix only once per message, it is appropriate | |
72 not to increase unnecessarily the line-length cut-off. */ | |
73 if (!pp_is_wrapping_line (pp) | |
74 || pp_prefixing_rule (pp) == DIAGNOSTICS_SHOW_PREFIX_ONCE | |
75 || pp_prefixing_rule (pp) == DIAGNOSTICS_SHOW_PREFIX_NEVER) | |
76 pp->maximum_length = pp_line_cutoff (pp); | |
77 else | |
78 { | |
79 int prefix_length = pp->prefix ? strlen (pp->prefix) : 0; | |
80 /* If the prefix is ridiculously too long, output at least | |
81 32 characters. */ | |
82 if (pp_line_cutoff (pp) - prefix_length < 32) | |
83 pp->maximum_length = pp_line_cutoff (pp) + 32; | |
84 else | |
85 pp->maximum_length = pp_line_cutoff (pp); | |
86 } | |
87 } | |
88 | |
89 /* Clear PRETTY-PRINTER's output state. */ | |
90 static inline void | |
91 pp_clear_state (pretty_printer *pp) | |
92 { | |
93 pp->emitted_prefix = false; | |
94 pp_indentation (pp) = 0; | |
95 } | |
96 | |
97 /* Flush the formatted text of PRETTY-PRINTER onto the attached stream. */ | |
98 void | |
99 pp_write_text_to_stream (pretty_printer *pp) | |
100 { | |
101 const char *text = pp_formatted_text (pp); | |
102 fputs (text, pp->buffer->stream); | |
103 pp_clear_output_area (pp); | |
104 } | |
105 | |
106 /* Wrap a text delimited by START and END into PRETTY-PRINTER. */ | |
107 static void | |
108 pp_wrap_text (pretty_printer *pp, const char *start, const char *end) | |
109 { | |
110 bool wrapping_line = pp_is_wrapping_line (pp); | |
111 | |
112 while (start != end) | |
113 { | |
114 /* Dump anything bordered by whitespaces. */ | |
115 { | |
116 const char *p = start; | |
117 while (p != end && !ISBLANK (*p) && *p != '\n') | |
118 ++p; | |
119 if (wrapping_line | |
120 && p - start >= pp_remaining_character_count_for_line (pp)) | |
121 pp_newline (pp); | |
122 pp_append_text (pp, start, p); | |
123 start = p; | |
124 } | |
125 | |
126 if (start != end && ISBLANK (*start)) | |
127 { | |
128 pp_space (pp); | |
129 ++start; | |
130 } | |
131 if (start != end && *start == '\n') | |
132 { | |
133 pp_newline (pp); | |
134 ++start; | |
135 } | |
136 } | |
137 } | |
138 | |
139 /* Same as pp_wrap_text but wrap text only when in line-wrapping mode. */ | |
140 static inline void | |
141 pp_maybe_wrap_text (pretty_printer *pp, const char *start, const char *end) | |
142 { | |
143 if (pp_is_wrapping_line (pp)) | |
144 pp_wrap_text (pp, start, end); | |
145 else | |
146 pp_append_text (pp, start, end); | |
147 } | |
148 | |
149 /* Append to the output area of PRETTY-PRINTER a string specified by its | |
150 STARTing character and LENGTH. */ | |
151 static inline void | |
152 pp_append_r (pretty_printer *pp, const char *start, int length) | |
153 { | |
154 obstack_grow (pp->buffer->obstack, start, length); | |
155 pp->buffer->line_length += length; | |
156 } | |
157 | |
158 /* Insert enough spaces into the output area of PRETTY-PRINTER to bring | |
159 the column position to the current indentation level, assuming that a | |
160 newline has just been written to the buffer. */ | |
161 void | |
162 pp_base_indent (pretty_printer *pp) | |
163 { | |
164 int n = pp_indentation (pp); | |
165 int i; | |
166 | |
167 for (i = 0; i < n; ++i) | |
168 pp_space (pp); | |
169 } | |
170 | |
171 /* The following format specifiers are recognized as being client independent: | |
172 %d, %i: (signed) integer in base ten. | |
173 %u: unsigned integer in base ten. | |
174 %o: unsigned integer in base eight. | |
175 %x: unsigned integer in base sixteen. | |
176 %ld, %li, %lo, %lu, %lx: long versions of the above. | |
177 %lld, %lli, %llo, %llu, %llx: long long versions. | |
178 %wd, %wi, %wo, %wu, %wx: HOST_WIDE_INT versions. | |
179 %c: character. | |
180 %s: string. | |
181 %p: pointer. | |
182 %m: strerror(text->err_no) - does not consume a value from args_ptr. | |
183 %%: '%'. | |
184 %<: opening quote. | |
185 %>: closing quote. | |
186 %': apostrophe (should only be used in untranslated messages; | |
187 translations should use appropriate punctuation directly). | |
188 %.*s: a substring the length of which is specified by an argument | |
189 integer. | |
190 %Ns: likewise, but length specified as constant in the format string. | |
191 Flag 'q': quote formatted text (must come immediately after '%'). | |
192 | |
193 Arguments can be used sequentially, or through %N$ resp. *N$ | |
194 notation Nth argument after the format string. If %N$ / *N$ | |
195 notation is used, it must be used for all arguments, except %m, %%, | |
196 %<, %> and %', which may not have a number, as they do not consume | |
197 an argument. When %M$.*N$s is used, M must be N + 1. (This may | |
198 also be written %M$.*s, provided N is not otherwise used.) The | |
199 format string must have conversion specifiers with argument numbers | |
200 1 up to highest argument; each argument may only be used once. | |
201 A format string can have at most 30 arguments. */ | |
202 | |
203 /* Formatting phases 1 and 2: render TEXT->format_spec plus | |
204 TEXT->args_ptr into a series of chunks in PP->buffer->args[]. | |
205 Phase 3 is in pp_base_format_text. */ | |
206 | |
207 void | |
208 pp_base_format (pretty_printer *pp, text_info *text) | |
209 { | |
210 output_buffer *buffer = pp->buffer; | |
211 const char *p; | |
212 const char **args; | |
213 struct chunk_info *new_chunk_array; | |
214 | |
215 unsigned int curarg = 0, chunk = 0, argno; | |
216 pp_wrapping_mode_t old_wrapping_mode; | |
217 bool any_unnumbered = false, any_numbered = false; | |
218 const char **formatters[PP_NL_ARGMAX]; | |
219 | |
220 /* Allocate a new chunk structure. */ | |
221 new_chunk_array = XOBNEW (&buffer->chunk_obstack, struct chunk_info); | |
222 new_chunk_array->prev = buffer->cur_chunk_array; | |
223 buffer->cur_chunk_array = new_chunk_array; | |
224 args = new_chunk_array->args; | |
225 | |
226 /* Formatting phase 1: split up TEXT->format_spec into chunks in | |
227 PP->buffer->args[]. Even-numbered chunks are to be output | |
228 verbatim, odd-numbered chunks are format specifiers. | |
229 %m, %%, %<, %>, and %' are replaced with the appropriate text at | |
230 this point. */ | |
231 | |
232 memset (formatters, 0, sizeof formatters); | |
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233 |
0 | 234 for (p = text->format_spec; *p; ) |
235 { | |
236 while (*p != '\0' && *p != '%') | |
237 { | |
238 obstack_1grow (&buffer->chunk_obstack, *p); | |
239 p++; | |
240 } | |
241 | |
242 if (*p == '\0') | |
243 break; | |
244 | |
245 switch (*++p) | |
246 { | |
247 case '\0': | |
248 gcc_unreachable (); | |
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249 |
0 | 250 case '%': |
251 obstack_1grow (&buffer->chunk_obstack, '%'); | |
252 p++; | |
253 continue; | |
254 | |
255 case '<': | |
256 obstack_grow (&buffer->chunk_obstack, | |
257 open_quote, strlen (open_quote)); | |
258 p++; | |
259 continue; | |
260 | |
261 case '>': | |
262 case '\'': | |
263 obstack_grow (&buffer->chunk_obstack, | |
264 close_quote, strlen (close_quote)); | |
265 p++; | |
266 continue; | |
267 | |
268 case 'm': | |
269 { | |
270 const char *errstr = xstrerror (text->err_no); | |
271 obstack_grow (&buffer->chunk_obstack, errstr, strlen (errstr)); | |
272 } | |
273 p++; | |
274 continue; | |
275 | |
276 default: | |
277 /* Handled in phase 2. Terminate the plain chunk here. */ | |
278 obstack_1grow (&buffer->chunk_obstack, '\0'); | |
279 gcc_assert (chunk < PP_NL_ARGMAX * 2); | |
280 args[chunk++] = XOBFINISH (&buffer->chunk_obstack, const char *); | |
281 break; | |
282 } | |
283 | |
284 if (ISDIGIT (*p)) | |
285 { | |
286 char *end; | |
287 argno = strtoul (p, &end, 10) - 1; | |
288 p = end; | |
289 gcc_assert (*p == '$'); | |
290 p++; | |
291 | |
292 any_numbered = true; | |
293 gcc_assert (!any_unnumbered); | |
294 } | |
295 else | |
296 { | |
297 argno = curarg++; | |
298 any_unnumbered = true; | |
299 gcc_assert (!any_numbered); | |
300 } | |
301 gcc_assert (argno < PP_NL_ARGMAX); | |
302 gcc_assert (!formatters[argno]); | |
303 formatters[argno] = &args[chunk]; | |
304 do | |
305 { | |
306 obstack_1grow (&buffer->chunk_obstack, *p); | |
307 p++; | |
308 } | |
309 while (strchr ("qwl+#", p[-1])); | |
310 | |
311 if (p[-1] == '.') | |
312 { | |
313 /* We handle '%.Ns' and '%.*s' or '%M$.*N$s' | |
314 (where M == N + 1). */ | |
315 if (ISDIGIT (*p)) | |
316 { | |
317 do | |
318 { | |
319 obstack_1grow (&buffer->chunk_obstack, *p); | |
320 p++; | |
321 } | |
322 while (ISDIGIT (p[-1])); | |
323 gcc_assert (p[-1] == 's'); | |
324 } | |
325 else | |
326 { | |
327 gcc_assert (*p == '*'); | |
328 obstack_1grow (&buffer->chunk_obstack, '*'); | |
329 p++; | |
330 | |
331 if (ISDIGIT (*p)) | |
332 { | |
333 char *end; | |
334 unsigned int argno2 = strtoul (p, &end, 10) - 1; | |
335 p = end; | |
336 gcc_assert (argno2 == argno - 1); | |
337 gcc_assert (!any_unnumbered); | |
338 gcc_assert (*p == '$'); | |
339 | |
340 p++; | |
341 formatters[argno2] = formatters[argno]; | |
342 } | |
343 else | |
344 { | |
345 gcc_assert (!any_numbered); | |
346 formatters[argno+1] = formatters[argno]; | |
347 curarg++; | |
348 } | |
349 gcc_assert (*p == 's'); | |
350 obstack_1grow (&buffer->chunk_obstack, 's'); | |
351 p++; | |
352 } | |
353 } | |
354 if (*p == '\0') | |
355 break; | |
356 | |
357 obstack_1grow (&buffer->chunk_obstack, '\0'); | |
358 gcc_assert (chunk < PP_NL_ARGMAX * 2); | |
359 args[chunk++] = XOBFINISH (&buffer->chunk_obstack, const char *); | |
360 } | |
361 | |
362 obstack_1grow (&buffer->chunk_obstack, '\0'); | |
363 gcc_assert (chunk < PP_NL_ARGMAX * 2); | |
364 args[chunk++] = XOBFINISH (&buffer->chunk_obstack, const char *); | |
365 args[chunk] = 0; | |
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366 |
0 | 367 /* Set output to the argument obstack, and switch line-wrapping and |
368 prefixing off. */ | |
369 buffer->obstack = &buffer->chunk_obstack; | |
370 old_wrapping_mode = pp_set_verbatim_wrapping (pp); | |
371 | |
372 /* Second phase. Replace each formatter with the formatted text it | |
373 corresponds to. */ | |
374 | |
375 for (argno = 0; formatters[argno]; argno++) | |
376 { | |
377 int precision = 0; | |
378 bool wide = false; | |
379 bool plus = false; | |
380 bool hash = false; | |
381 bool quote = false; | |
382 | |
383 /* We do not attempt to enforce any ordering on the modifier | |
384 characters. */ | |
385 | |
386 for (p = *formatters[argno];; p++) | |
387 { | |
388 switch (*p) | |
389 { | |
390 case 'q': | |
391 gcc_assert (!quote); | |
392 quote = true; | |
393 continue; | |
394 | |
395 case '+': | |
396 gcc_assert (!plus); | |
397 plus = true; | |
398 continue; | |
399 | |
400 case '#': | |
401 gcc_assert (!hash); | |
402 hash = true; | |
403 continue; | |
404 | |
405 case 'w': | |
406 gcc_assert (!wide); | |
407 wide = true; | |
408 continue; | |
409 | |
410 case 'l': | |
411 /* We don't support precision beyond that of "long long". */ | |
412 gcc_assert (precision < 2); | |
413 precision++; | |
414 continue; | |
415 } | |
416 break; | |
417 } | |
418 | |
419 gcc_assert (!wide || precision == 0); | |
420 | |
421 if (quote) | |
422 pp_string (pp, open_quote); | |
423 | |
424 switch (*p) | |
425 { | |
426 case 'c': | |
427 pp_character (pp, va_arg (*text->args_ptr, int)); | |
428 break; | |
429 | |
430 case 'd': | |
431 case 'i': | |
432 if (wide) | |
433 pp_wide_integer (pp, va_arg (*text->args_ptr, HOST_WIDE_INT)); | |
434 else | |
435 pp_integer_with_precision | |
436 (pp, *text->args_ptr, precision, int, "d"); | |
437 break; | |
438 | |
439 case 'o': | |
440 if (wide) | |
441 pp_scalar (pp, "%" HOST_WIDE_INT_PRINT "o", | |
442 va_arg (*text->args_ptr, unsigned HOST_WIDE_INT)); | |
443 else | |
444 pp_integer_with_precision | |
445 (pp, *text->args_ptr, precision, unsigned, "o"); | |
446 break; | |
447 | |
448 case 's': | |
449 pp_string (pp, va_arg (*text->args_ptr, const char *)); | |
450 break; | |
451 | |
452 case 'p': | |
453 pp_pointer (pp, va_arg (*text->args_ptr, void *)); | |
454 break; | |
455 | |
456 case 'u': | |
457 if (wide) | |
458 pp_scalar (pp, HOST_WIDE_INT_PRINT_UNSIGNED, | |
459 va_arg (*text->args_ptr, unsigned HOST_WIDE_INT)); | |
460 else | |
461 pp_integer_with_precision | |
462 (pp, *text->args_ptr, precision, unsigned, "u"); | |
463 break; | |
464 | |
465 case 'x': | |
466 if (wide) | |
467 pp_scalar (pp, HOST_WIDE_INT_PRINT_HEX, | |
468 va_arg (*text->args_ptr, unsigned HOST_WIDE_INT)); | |
469 else | |
470 pp_integer_with_precision | |
471 (pp, *text->args_ptr, precision, unsigned, "x"); | |
472 break; | |
473 | |
474 case '.': | |
475 { | |
476 int n; | |
477 const char *s; | |
478 | |
479 /* We handle '%.Ns' and '%.*s' or '%M$.*N$s' | |
480 (where M == N + 1). The format string should be verified | |
481 already from the first phase. */ | |
482 p++; | |
483 if (ISDIGIT (*p)) | |
484 { | |
485 char *end; | |
486 n = strtoul (p, &end, 10); | |
487 p = end; | |
488 gcc_assert (*p == 's'); | |
489 } | |
490 else | |
491 { | |
492 gcc_assert (*p == '*'); | |
493 p++; | |
494 gcc_assert (*p == 's'); | |
495 n = va_arg (*text->args_ptr, int); | |
496 | |
497 /* This consumes a second entry in the formatters array. */ | |
498 gcc_assert (formatters[argno] == formatters[argno+1]); | |
499 argno++; | |
500 } | |
501 | |
502 s = va_arg (*text->args_ptr, const char *); | |
503 pp_append_text (pp, s, s + n); | |
504 } | |
505 break; | |
506 | |
507 default: | |
508 { | |
509 bool ok; | |
510 | |
511 gcc_assert (pp_format_decoder (pp)); | |
512 ok = pp_format_decoder (pp) (pp, text, p, | |
513 precision, wide, plus, hash); | |
514 gcc_assert (ok); | |
515 } | |
516 } | |
517 | |
518 if (quote) | |
519 pp_string (pp, close_quote); | |
520 | |
521 obstack_1grow (&buffer->chunk_obstack, '\0'); | |
522 *formatters[argno] = XOBFINISH (&buffer->chunk_obstack, const char *); | |
523 } | |
524 | |
525 #ifdef ENABLE_CHECKING | |
526 for (; argno < PP_NL_ARGMAX; argno++) | |
527 gcc_assert (!formatters[argno]); | |
528 #endif | |
529 | |
530 /* Revert to normal obstack and wrapping mode. */ | |
531 buffer->obstack = &buffer->formatted_obstack; | |
532 buffer->line_length = 0; | |
533 pp_wrapping_mode (pp) = old_wrapping_mode; | |
534 pp_clear_state (pp); | |
535 } | |
536 | |
537 /* Format of a message pointed to by TEXT. */ | |
538 void | |
539 pp_base_output_formatted_text (pretty_printer *pp) | |
540 { | |
541 unsigned int chunk; | |
542 output_buffer *buffer = pp_buffer (pp); | |
543 struct chunk_info *chunk_array = buffer->cur_chunk_array; | |
544 const char **args = chunk_array->args; | |
545 | |
546 gcc_assert (buffer->obstack == &buffer->formatted_obstack); | |
547 gcc_assert (buffer->line_length == 0); | |
548 | |
549 /* This is a third phase, first 2 phases done in pp_base_format_args. | |
550 Now we actually print it. */ | |
551 for (chunk = 0; args[chunk]; chunk++) | |
552 pp_string (pp, args[chunk]); | |
553 | |
554 /* Deallocate the chunk structure and everything after it (i.e. the | |
555 associated series of formatted strings). */ | |
556 buffer->cur_chunk_array = chunk_array->prev; | |
557 obstack_free (&buffer->chunk_obstack, chunk_array); | |
558 } | |
559 | |
560 /* Helper subroutine of output_verbatim and verbatim. Do the appropriate | |
561 settings needed by BUFFER for a verbatim formatting. */ | |
562 void | |
563 pp_base_format_verbatim (pretty_printer *pp, text_info *text) | |
564 { | |
565 /* Set verbatim mode. */ | |
566 pp_wrapping_mode_t oldmode = pp_set_verbatim_wrapping (pp); | |
567 | |
568 /* Do the actual formatting. */ | |
569 pp_format (pp, text); | |
570 pp_output_formatted_text (pp); | |
571 | |
572 /* Restore previous settings. */ | |
573 pp_wrapping_mode (pp) = oldmode; | |
574 } | |
575 | |
576 /* Flush the content of BUFFER onto the attached stream. */ | |
577 void | |
578 pp_base_flush (pretty_printer *pp) | |
579 { | |
580 pp_write_text_to_stream (pp); | |
581 pp_clear_state (pp); | |
582 fputc ('\n', pp->buffer->stream); | |
583 fflush (pp->buffer->stream); | |
584 pp_needs_newline (pp) = false; | |
585 } | |
586 | |
587 /* Sets the number of maximum characters per line PRETTY-PRINTER can | |
588 output in line-wrapping mode. A LENGTH value 0 suppresses | |
589 line-wrapping. */ | |
590 void | |
591 pp_base_set_line_maximum_length (pretty_printer *pp, int length) | |
592 { | |
593 pp_line_cutoff (pp) = length; | |
594 pp_set_real_maximum_length (pp); | |
595 } | |
596 | |
597 /* Clear PRETTY-PRINTER output area text info. */ | |
598 void | |
599 pp_base_clear_output_area (pretty_printer *pp) | |
600 { | |
601 obstack_free (pp->buffer->obstack, obstack_base (pp->buffer->obstack)); | |
602 pp->buffer->line_length = 0; | |
603 } | |
604 | |
605 /* Set PREFIX for PRETTY-PRINTER. */ | |
606 void | |
607 pp_base_set_prefix (pretty_printer *pp, const char *prefix) | |
608 { | |
609 pp->prefix = prefix; | |
610 pp_set_real_maximum_length (pp); | |
611 pp->emitted_prefix = false; | |
612 pp_indentation (pp) = 0; | |
613 } | |
614 | |
615 /* Free PRETTY-PRINTER's prefix, a previously malloc()'d string. */ | |
616 void | |
617 pp_base_destroy_prefix (pretty_printer *pp) | |
618 { | |
619 if (pp->prefix != NULL) | |
620 { | |
621 free (CONST_CAST (char *, pp->prefix)); | |
622 pp->prefix = NULL; | |
623 } | |
624 } | |
625 | |
626 /* Write out PRETTY-PRINTER's prefix. */ | |
627 void | |
628 pp_base_emit_prefix (pretty_printer *pp) | |
629 { | |
630 if (pp->prefix != NULL) | |
631 { | |
632 switch (pp_prefixing_rule (pp)) | |
633 { | |
634 default: | |
635 case DIAGNOSTICS_SHOW_PREFIX_NEVER: | |
636 break; | |
637 | |
638 case DIAGNOSTICS_SHOW_PREFIX_ONCE: | |
639 if (pp->emitted_prefix) | |
640 { | |
641 pp_base_indent (pp); | |
642 break; | |
643 } | |
644 pp_indentation (pp) += 3; | |
645 /* Fall through. */ | |
646 | |
647 case DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE: | |
648 { | |
649 int prefix_length = strlen (pp->prefix); | |
650 pp_append_r (pp, pp->prefix, prefix_length); | |
651 pp->emitted_prefix = true; | |
652 } | |
653 break; | |
654 } | |
655 } | |
656 } | |
657 | |
658 /* Construct a PRETTY-PRINTER with PREFIX and of MAXIMUM_LENGTH | |
659 characters per line. */ | |
660 void | |
661 pp_construct (pretty_printer *pp, const char *prefix, int maximum_length) | |
662 { | |
663 memset (pp, 0, sizeof (pretty_printer)); | |
664 pp->buffer = XCNEW (output_buffer); | |
665 obstack_init (&pp->buffer->chunk_obstack); | |
666 obstack_init (&pp->buffer->formatted_obstack); | |
667 pp->buffer->obstack = &pp->buffer->formatted_obstack; | |
668 pp->buffer->stream = stderr; | |
669 pp_line_cutoff (pp) = maximum_length; | |
670 pp_prefixing_rule (pp) = DIAGNOSTICS_SHOW_PREFIX_ONCE; | |
671 pp_set_prefix (pp, prefix); | |
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672 pp_translate_identifiers (pp) = true; |
0 | 673 } |
674 | |
675 /* Append a string delimited by START and END to the output area of | |
676 PRETTY-PRINTER. No line wrapping is done. However, if beginning a | |
677 new line then emit PRETTY-PRINTER's prefix and skip any leading | |
678 whitespace if appropriate. The caller must ensure that it is | |
679 safe to do so. */ | |
680 void | |
681 pp_base_append_text (pretty_printer *pp, const char *start, const char *end) | |
682 { | |
683 /* Emit prefix and skip whitespace if we're starting a new line. */ | |
684 if (pp->buffer->line_length == 0) | |
685 { | |
686 pp_emit_prefix (pp); | |
687 if (pp_is_wrapping_line (pp)) | |
688 while (start != end && *start == ' ') | |
689 ++start; | |
690 } | |
691 pp_append_r (pp, start, end - start); | |
692 } | |
693 | |
694 /* Finishes constructing a NULL-terminated character string representing | |
695 the PRETTY-PRINTED text. */ | |
696 const char * | |
697 pp_base_formatted_text (pretty_printer *pp) | |
698 { | |
699 obstack_1grow (pp->buffer->obstack, '\0'); | |
700 return pp_formatted_text_data (pp); | |
701 } | |
702 | |
703 /* Return a pointer to the last character emitted in PRETTY-PRINTER's | |
704 output area. A NULL pointer means no character available. */ | |
705 const char * | |
706 pp_base_last_position_in_text (const pretty_printer *pp) | |
707 { | |
708 const char *p = NULL; | |
709 struct obstack *text = pp->buffer->obstack; | |
710 | |
711 if (obstack_base (text) != obstack_next_free (text)) | |
712 p = ((const char *) obstack_next_free (text)) - 1; | |
713 return p; | |
714 } | |
715 | |
716 /* Return the amount of characters PRETTY-PRINTER can accept to | |
717 make a full line. Meaningful only in line-wrapping mode. */ | |
718 int | |
719 pp_base_remaining_character_count_for_line (pretty_printer *pp) | |
720 { | |
721 return pp->maximum_length - pp->buffer->line_length; | |
722 } | |
723 | |
724 | |
725 /* Format a message into BUFFER a la printf. */ | |
726 void | |
727 pp_printf (pretty_printer *pp, const char *msg, ...) | |
728 { | |
729 text_info text; | |
730 va_list ap; | |
731 | |
732 va_start (ap, msg); | |
733 text.err_no = errno; | |
734 text.args_ptr = ≈ | |
735 text.format_spec = msg; | |
736 text.locus = NULL; | |
737 pp_format (pp, &text); | |
738 pp_output_formatted_text (pp); | |
739 va_end (ap); | |
740 } | |
741 | |
742 | |
743 /* Output MESSAGE verbatim into BUFFER. */ | |
744 void | |
745 pp_verbatim (pretty_printer *pp, const char *msg, ...) | |
746 { | |
747 text_info text; | |
748 va_list ap; | |
749 | |
750 va_start (ap, msg); | |
751 text.err_no = errno; | |
752 text.args_ptr = ≈ | |
753 text.format_spec = msg; | |
754 text.locus = NULL; | |
755 pp_format_verbatim (pp, &text); | |
756 va_end (ap); | |
757 } | |
758 | |
759 | |
760 | |
761 /* Have PRETTY-PRINTER start a new line. */ | |
762 void | |
763 pp_base_newline (pretty_printer *pp) | |
764 { | |
765 obstack_1grow (pp->buffer->obstack, '\n'); | |
766 pp->buffer->line_length = 0; | |
767 } | |
768 | |
769 /* Have PRETTY-PRINTER add a CHARACTER. */ | |
770 void | |
771 pp_base_character (pretty_printer *pp, int c) | |
772 { | |
773 if (pp_is_wrapping_line (pp) | |
774 && pp_remaining_character_count_for_line (pp) <= 0) | |
775 { | |
776 pp_newline (pp); | |
777 if (ISSPACE (c)) | |
778 return; | |
779 } | |
780 obstack_1grow (pp->buffer->obstack, c); | |
781 ++pp->buffer->line_length; | |
782 } | |
783 | |
784 /* Append a STRING to the output area of PRETTY-PRINTER; the STRING may | |
785 be line-wrapped if in appropriate mode. */ | |
786 void | |
787 pp_base_string (pretty_printer *pp, const char *str) | |
788 { | |
789 pp_maybe_wrap_text (pp, str, str + (str ? strlen (str) : 0)); | |
790 } | |
791 | |
792 /* Maybe print out a whitespace if needed. */ | |
793 | |
794 void | |
795 pp_base_maybe_space (pretty_printer *pp) | |
796 { | |
797 if (pp_base (pp)->padding != pp_none) | |
798 { | |
799 pp_space (pp); | |
800 pp_base (pp)->padding = pp_none; | |
801 } | |
802 } | |
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803 |
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804 /* The string starting at P has LEN (at least 1) bytes left; if they |
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805 start with a valid UTF-8 sequence, return the length of that |
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806 sequence and set *VALUE to the value of that sequence, and |
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807 otherwise return 0 and set *VALUE to (unsigned int) -1. */ |
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808 |
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809 static int |
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810 decode_utf8_char (const unsigned char *p, size_t len, unsigned int *value) |
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811 { |
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812 unsigned int t = *p; |
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813 |
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814 if (len == 0) |
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815 abort (); |
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816 if (t & 0x80) |
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817 { |
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818 size_t utf8_len = 0; |
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819 unsigned int ch; |
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820 size_t i; |
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821 for (t = *p; t & 0x80; t <<= 1) |
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822 utf8_len++; |
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823 |
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824 if (utf8_len > len || utf8_len < 2 || utf8_len > 6) |
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825 { |
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826 *value = (unsigned int) -1; |
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827 return 0; |
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828 } |
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829 ch = *p & ((1 << (7 - utf8_len)) - 1); |
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830 for (i = 1; i < utf8_len; i++) |
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831 { |
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832 unsigned int u = p[i]; |
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833 if ((u & 0xC0) != 0x80) |
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834 { |
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835 *value = (unsigned int) -1; |
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836 return 0; |
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837 } |
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838 ch = (ch << 6) | (u & 0x3F); |
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839 } |
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840 if ( (ch <= 0x7F && utf8_len > 1) |
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841 || (ch <= 0x7FF && utf8_len > 2) |
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842 || (ch <= 0xFFFF && utf8_len > 3) |
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843 || (ch <= 0x1FFFFF && utf8_len > 4) |
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844 || (ch <= 0x3FFFFFF && utf8_len > 5) |
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845 || (ch >= 0xD800 && ch <= 0xDFFF)) |
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846 { |
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847 *value = (unsigned int) -1; |
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848 return 0; |
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849 } |
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850 *value = ch; |
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851 return utf8_len; |
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852 } |
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853 else |
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854 { |
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855 *value = t; |
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856 return 1; |
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857 } |
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858 } |
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859 |
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860 /* Given IDENT, an identifier in the internal encoding, return a |
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861 version of IDENT suitable for diagnostics in the locale character |
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862 set: either IDENT itself, or a garbage-collected string converted |
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863 to the locale character set and using escape sequences if not |
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864 representable in the locale character set or containing control |
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865 characters or invalid byte sequences. Existing backslashes in |
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866 IDENT are not doubled, so the result may not uniquely specify the |
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867 contents of an arbitrary byte sequence identifier. */ |
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868 |
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869 const char * |
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870 identifier_to_locale (const char *ident) |
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871 { |
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872 const unsigned char *uid = (const unsigned char *) ident; |
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873 size_t idlen = strlen (ident); |
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874 bool valid_printable_utf8 = true; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
875 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
|
876 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
|
877 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
878 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
|
879 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
880 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
|
881 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
|
882 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
|
883 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
884 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
|
885 break; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
886 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
887 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
|
888 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
|
889 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
|
890 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
891 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
892 /* 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
|
893 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
|
894 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
|
895 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
|
896 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
|
897 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
898 char *ret = GGC_NEWVEC (char, 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
|
899 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
|
900 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
|
901 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
902 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
|
903 *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
|
904 else |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
905 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
906 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
|
907 p += 4; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
908 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
909 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
910 *p = 0; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
911 return ret; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
912 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
913 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
914 /* 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
|
915 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
|
916 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
|
917 return ident; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
918 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
919 /* 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
|
920 possible. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
921 #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
|
922 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
|
923 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
924 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
|
925 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
|
926 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
|
927 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
|
928 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
929 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
|
930 for (;;) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
931 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
932 /* 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
|
933 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
|
934 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
|
935 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
|
936 char *outbuf; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
937 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
|
938 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
|
939 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
|
940 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
941 ret = GGC_NEWVEC (char, ret_alloc); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
942 outbuf = ret; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
943 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
944 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
|
945 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
946 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
|
947 break; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
948 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
949 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
950 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
|
951 &outbuf, &outbytesleft); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
952 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
|
953 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
954 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
|
955 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
956 ret_alloc *= 2; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
957 ggc_free (ret); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
958 ret = NULL; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
959 continue; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
960 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
961 else |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
962 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
963 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
|
964 break; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
965 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
966 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
967 else if (iconv_ret != 0) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
968 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
969 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
|
970 break; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
971 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
972 /* Return to initial shift state. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
973 if (iconv (cd, 0, 0, &outbuf, &outbytesleft) == (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
|
974 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
975 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
|
976 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
977 ret_alloc *= 2; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
978 ggc_free (ret); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
979 ret = NULL; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
980 continue; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
981 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
982 else |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
983 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
984 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
|
985 break; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
986 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
987 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
988 *outbuf = 0; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
989 break; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
990 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
991 iconv_close (cd); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
992 if (conversion_ok) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
993 return ret; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
994 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
995 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
996 #endif |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
997 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
998 /* Otherwise, convert non-ASCII characters in IDENT to UCNs. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
999 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1000 char *ret = GGC_NEWVEC (char, 10 * idlen + 1); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1001 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
|
1002 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
|
1003 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1004 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
|
1005 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
|
1006 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
|
1007 *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
|
1008 else |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1009 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1010 sprintf (p, "\\U%08x", c); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1011 p += 10; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1012 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1013 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
|
1014 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1015 *p = 0; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1016 return ret; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1017 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1018 } |