Mercurial > hg > CbC > CbC_gcc
annotate gcc/pretty-print.c @ 90:99e7b6776dd1
implemeted __rectype expression. add CbC-exanples/fact-rectype.s
| author | Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Sun, 25 Dec 2011 04:04:42 +0900 |
| parents | f6334be47118 |
| children | 04ced10e8804 |
| rev | line source |
|---|---|
| 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 |
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28 #if HAVE_ICONV |
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29 #include <iconv.h> |
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30 #endif |
| 0 | 31 |
| 32 /* A pointer to the formatted diagnostic message. */ | |
| 33 #define pp_formatted_text_data(PP) \ | |
| 34 ((const char *) obstack_base (pp_base (PP)->buffer->obstack)) | |
| 35 | |
| 36 /* Format an integer given by va_arg (ARG, type-specifier T) where | |
| 37 type-specifier is a precision modifier as indicated by PREC. F is | |
| 38 a string used to construct the appropriate format-specifier. */ | |
| 39 #define pp_integer_with_precision(PP, ARG, PREC, T, F) \ | |
| 40 do \ | |
| 41 switch (PREC) \ | |
| 42 { \ | |
| 43 case 0: \ | |
| 44 pp_scalar (PP, "%" F, va_arg (ARG, T)); \ | |
| 45 break; \ | |
| 46 \ | |
| 47 case 1: \ | |
| 48 pp_scalar (PP, "%l" F, va_arg (ARG, long T)); \ | |
| 49 break; \ | |
| 50 \ | |
| 51 case 2: \ | |
| 52 pp_scalar (PP, "%" HOST_LONG_LONG_FORMAT F, va_arg (ARG, long long T)); \ | |
| 53 break; \ | |
| 54 \ | |
| 55 default: \ | |
| 56 break; \ | |
| 57 } \ | |
| 58 while (0) | |
| 59 | |
| 60 | |
| 61 /* Subroutine of pp_set_maximum_length. Set up PRETTY-PRINTER's | |
| 62 internal maximum characters per line. */ | |
| 63 static void | |
| 64 pp_set_real_maximum_length (pretty_printer *pp) | |
| 65 { | |
| 66 /* If we're told not to wrap lines then do the obvious thing. In case | |
| 67 we'll emit prefix only once per message, it is appropriate | |
| 68 not to increase unnecessarily the line-length cut-off. */ | |
| 69 if (!pp_is_wrapping_line (pp) | |
| 70 || pp_prefixing_rule (pp) == DIAGNOSTICS_SHOW_PREFIX_ONCE | |
| 71 || pp_prefixing_rule (pp) == DIAGNOSTICS_SHOW_PREFIX_NEVER) | |
| 72 pp->maximum_length = pp_line_cutoff (pp); | |
| 73 else | |
| 74 { | |
| 75 int prefix_length = pp->prefix ? strlen (pp->prefix) : 0; | |
| 76 /* If the prefix is ridiculously too long, output at least | |
| 77 32 characters. */ | |
| 78 if (pp_line_cutoff (pp) - prefix_length < 32) | |
| 79 pp->maximum_length = pp_line_cutoff (pp) + 32; | |
| 80 else | |
| 81 pp->maximum_length = pp_line_cutoff (pp); | |
| 82 } | |
| 83 } | |
| 84 | |
| 85 /* Clear PRETTY-PRINTER's output state. */ | |
| 86 static inline void | |
| 87 pp_clear_state (pretty_printer *pp) | |
| 88 { | |
| 89 pp->emitted_prefix = false; | |
| 90 pp_indentation (pp) = 0; | |
| 91 } | |
| 92 | |
| 93 /* Flush the formatted text of PRETTY-PRINTER onto the attached stream. */ | |
| 94 void | |
| 95 pp_write_text_to_stream (pretty_printer *pp) | |
| 96 { | |
| 97 const char *text = pp_formatted_text (pp); | |
| 98 fputs (text, pp->buffer->stream); | |
| 99 pp_clear_output_area (pp); | |
| 100 } | |
| 101 | |
| 102 /* Wrap a text delimited by START and END into PRETTY-PRINTER. */ | |
| 103 static void | |
| 104 pp_wrap_text (pretty_printer *pp, const char *start, const char *end) | |
| 105 { | |
| 106 bool wrapping_line = pp_is_wrapping_line (pp); | |
| 107 | |
| 108 while (start != end) | |
| 109 { | |
| 110 /* Dump anything bordered by whitespaces. */ | |
| 111 { | |
| 112 const char *p = start; | |
| 113 while (p != end && !ISBLANK (*p) && *p != '\n') | |
| 114 ++p; | |
| 115 if (wrapping_line | |
| 116 && p - start >= pp_remaining_character_count_for_line (pp)) | |
| 117 pp_newline (pp); | |
| 118 pp_append_text (pp, start, p); | |
| 119 start = p; | |
| 120 } | |
| 121 | |
| 122 if (start != end && ISBLANK (*start)) | |
| 123 { | |
| 124 pp_space (pp); | |
| 125 ++start; | |
| 126 } | |
| 127 if (start != end && *start == '\n') | |
| 128 { | |
| 129 pp_newline (pp); | |
| 130 ++start; | |
| 131 } | |
| 132 } | |
| 133 } | |
| 134 | |
| 135 /* Same as pp_wrap_text but wrap text only when in line-wrapping mode. */ | |
| 136 static inline void | |
| 137 pp_maybe_wrap_text (pretty_printer *pp, const char *start, const char *end) | |
| 138 { | |
| 139 if (pp_is_wrapping_line (pp)) | |
| 140 pp_wrap_text (pp, start, end); | |
| 141 else | |
| 142 pp_append_text (pp, start, end); | |
| 143 } | |
| 144 | |
| 145 /* Append to the output area of PRETTY-PRINTER a string specified by its | |
| 146 STARTing character and LENGTH. */ | |
| 147 static inline void | |
| 148 pp_append_r (pretty_printer *pp, const char *start, int length) | |
| 149 { | |
| 150 obstack_grow (pp->buffer->obstack, start, length); | |
| 151 pp->buffer->line_length += length; | |
| 152 } | |
| 153 | |
| 154 /* Insert enough spaces into the output area of PRETTY-PRINTER to bring | |
| 155 the column position to the current indentation level, assuming that a | |
| 156 newline has just been written to the buffer. */ | |
| 157 void | |
| 158 pp_base_indent (pretty_printer *pp) | |
| 159 { | |
| 160 int n = pp_indentation (pp); | |
| 161 int i; | |
| 162 | |
| 163 for (i = 0; i < n; ++i) | |
| 164 pp_space (pp); | |
| 165 } | |
| 166 | |
| 167 /* The following format specifiers are recognized as being client independent: | |
| 168 %d, %i: (signed) integer in base ten. | |
| 169 %u: unsigned integer in base ten. | |
| 170 %o: unsigned integer in base eight. | |
| 171 %x: unsigned integer in base sixteen. | |
| 172 %ld, %li, %lo, %lu, %lx: long versions of the above. | |
| 173 %lld, %lli, %llo, %llu, %llx: long long versions. | |
| 174 %wd, %wi, %wo, %wu, %wx: HOST_WIDE_INT versions. | |
| 175 %c: character. | |
| 176 %s: string. | |
| 177 %p: pointer. | |
| 178 %m: strerror(text->err_no) - does not consume a value from args_ptr. | |
| 179 %%: '%'. | |
| 180 %<: opening quote. | |
| 181 %>: closing quote. | |
| 182 %': apostrophe (should only be used in untranslated messages; | |
| 183 translations should use appropriate punctuation directly). | |
| 184 %.*s: a substring the length of which is specified by an argument | |
| 185 integer. | |
| 186 %Ns: likewise, but length specified as constant in the format string. | |
| 187 Flag 'q': quote formatted text (must come immediately after '%'). | |
| 188 | |
| 189 Arguments can be used sequentially, or through %N$ resp. *N$ | |
| 190 notation Nth argument after the format string. If %N$ / *N$ | |
| 191 notation is used, it must be used for all arguments, except %m, %%, | |
| 192 %<, %> and %', which may not have a number, as they do not consume | |
| 193 an argument. When %M$.*N$s is used, M must be N + 1. (This may | |
| 194 also be written %M$.*s, provided N is not otherwise used.) The | |
| 195 format string must have conversion specifiers with argument numbers | |
| 196 1 up to highest argument; each argument may only be used once. | |
| 197 A format string can have at most 30 arguments. */ | |
| 198 | |
| 199 /* Formatting phases 1 and 2: render TEXT->format_spec plus | |
| 200 TEXT->args_ptr into a series of chunks in PP->buffer->args[]. | |
| 201 Phase 3 is in pp_base_format_text. */ | |
| 202 | |
| 203 void | |
| 204 pp_base_format (pretty_printer *pp, text_info *text) | |
| 205 { | |
| 206 output_buffer *buffer = pp->buffer; | |
| 207 const char *p; | |
| 208 const char **args; | |
| 209 struct chunk_info *new_chunk_array; | |
| 210 | |
| 211 unsigned int curarg = 0, chunk = 0, argno; | |
| 212 pp_wrapping_mode_t old_wrapping_mode; | |
| 213 bool any_unnumbered = false, any_numbered = false; | |
| 214 const char **formatters[PP_NL_ARGMAX]; | |
| 215 | |
| 216 /* Allocate a new chunk structure. */ | |
| 217 new_chunk_array = XOBNEW (&buffer->chunk_obstack, struct chunk_info); | |
| 218 new_chunk_array->prev = buffer->cur_chunk_array; | |
| 219 buffer->cur_chunk_array = new_chunk_array; | |
| 220 args = new_chunk_array->args; | |
| 221 | |
| 222 /* Formatting phase 1: split up TEXT->format_spec into chunks in | |
| 223 PP->buffer->args[]. Even-numbered chunks are to be output | |
| 224 verbatim, odd-numbered chunks are format specifiers. | |
| 225 %m, %%, %<, %>, and %' are replaced with the appropriate text at | |
| 226 this point. */ | |
| 227 | |
| 228 memset (formatters, 0, sizeof formatters); | |
|
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229 |
| 0 | 230 for (p = text->format_spec; *p; ) |
| 231 { | |
| 232 while (*p != '\0' && *p != '%') | |
| 233 { | |
| 234 obstack_1grow (&buffer->chunk_obstack, *p); | |
| 235 p++; | |
| 236 } | |
| 237 | |
| 238 if (*p == '\0') | |
| 239 break; | |
| 240 | |
| 241 switch (*++p) | |
| 242 { | |
| 243 case '\0': | |
| 244 gcc_unreachable (); | |
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245 |
| 0 | 246 case '%': |
| 247 obstack_1grow (&buffer->chunk_obstack, '%'); | |
| 248 p++; | |
| 249 continue; | |
| 250 | |
| 251 case '<': | |
| 252 obstack_grow (&buffer->chunk_obstack, | |
| 253 open_quote, strlen (open_quote)); | |
| 254 p++; | |
| 255 continue; | |
| 256 | |
| 257 case '>': | |
| 258 case '\'': | |
| 259 obstack_grow (&buffer->chunk_obstack, | |
| 260 close_quote, strlen (close_quote)); | |
| 261 p++; | |
| 262 continue; | |
| 263 | |
| 264 case 'm': | |
| 265 { | |
| 266 const char *errstr = xstrerror (text->err_no); | |
| 267 obstack_grow (&buffer->chunk_obstack, errstr, strlen (errstr)); | |
| 268 } | |
| 269 p++; | |
| 270 continue; | |
| 271 | |
| 272 default: | |
| 273 /* Handled in phase 2. Terminate the plain chunk here. */ | |
| 274 obstack_1grow (&buffer->chunk_obstack, '\0'); | |
| 275 gcc_assert (chunk < PP_NL_ARGMAX * 2); | |
| 276 args[chunk++] = XOBFINISH (&buffer->chunk_obstack, const char *); | |
| 277 break; | |
| 278 } | |
| 279 | |
| 280 if (ISDIGIT (*p)) | |
| 281 { | |
| 282 char *end; | |
| 283 argno = strtoul (p, &end, 10) - 1; | |
| 284 p = end; | |
| 285 gcc_assert (*p == '$'); | |
| 286 p++; | |
| 287 | |
| 288 any_numbered = true; | |
| 289 gcc_assert (!any_unnumbered); | |
| 290 } | |
| 291 else | |
| 292 { | |
| 293 argno = curarg++; | |
| 294 any_unnumbered = true; | |
| 295 gcc_assert (!any_numbered); | |
| 296 } | |
| 297 gcc_assert (argno < PP_NL_ARGMAX); | |
| 298 gcc_assert (!formatters[argno]); | |
| 299 formatters[argno] = &args[chunk]; | |
| 300 do | |
| 301 { | |
| 302 obstack_1grow (&buffer->chunk_obstack, *p); | |
| 303 p++; | |
| 304 } | |
| 305 while (strchr ("qwl+#", p[-1])); | |
| 306 | |
| 307 if (p[-1] == '.') | |
| 308 { | |
| 309 /* We handle '%.Ns' and '%.*s' or '%M$.*N$s' | |
| 310 (where M == N + 1). */ | |
| 311 if (ISDIGIT (*p)) | |
| 312 { | |
| 313 do | |
| 314 { | |
| 315 obstack_1grow (&buffer->chunk_obstack, *p); | |
| 316 p++; | |
| 317 } | |
| 318 while (ISDIGIT (p[-1])); | |
| 319 gcc_assert (p[-1] == 's'); | |
| 320 } | |
| 321 else | |
| 322 { | |
| 323 gcc_assert (*p == '*'); | |
| 324 obstack_1grow (&buffer->chunk_obstack, '*'); | |
| 325 p++; | |
| 326 | |
| 327 if (ISDIGIT (*p)) | |
| 328 { | |
| 329 char *end; | |
| 330 unsigned int argno2 = strtoul (p, &end, 10) - 1; | |
| 331 p = end; | |
| 332 gcc_assert (argno2 == argno - 1); | |
| 333 gcc_assert (!any_unnumbered); | |
| 334 gcc_assert (*p == '$'); | |
| 335 | |
| 336 p++; | |
| 337 formatters[argno2] = formatters[argno]; | |
| 338 } | |
| 339 else | |
| 340 { | |
| 341 gcc_assert (!any_numbered); | |
| 342 formatters[argno+1] = formatters[argno]; | |
| 343 curarg++; | |
| 344 } | |
| 345 gcc_assert (*p == 's'); | |
| 346 obstack_1grow (&buffer->chunk_obstack, 's'); | |
| 347 p++; | |
| 348 } | |
| 349 } | |
| 350 if (*p == '\0') | |
| 351 break; | |
| 352 | |
| 353 obstack_1grow (&buffer->chunk_obstack, '\0'); | |
| 354 gcc_assert (chunk < PP_NL_ARGMAX * 2); | |
| 355 args[chunk++] = XOBFINISH (&buffer->chunk_obstack, const char *); | |
| 356 } | |
| 357 | |
| 358 obstack_1grow (&buffer->chunk_obstack, '\0'); | |
| 359 gcc_assert (chunk < PP_NL_ARGMAX * 2); | |
| 360 args[chunk++] = XOBFINISH (&buffer->chunk_obstack, const char *); | |
| 361 args[chunk] = 0; | |
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362 |
| 0 | 363 /* Set output to the argument obstack, and switch line-wrapping and |
| 364 prefixing off. */ | |
| 365 buffer->obstack = &buffer->chunk_obstack; | |
| 366 old_wrapping_mode = pp_set_verbatim_wrapping (pp); | |
| 367 | |
| 368 /* Second phase. Replace each formatter with the formatted text it | |
| 369 corresponds to. */ | |
| 370 | |
| 371 for (argno = 0; formatters[argno]; argno++) | |
| 372 { | |
| 373 int precision = 0; | |
| 374 bool wide = false; | |
| 375 bool plus = false; | |
| 376 bool hash = false; | |
| 377 bool quote = false; | |
| 378 | |
| 379 /* We do not attempt to enforce any ordering on the modifier | |
| 380 characters. */ | |
| 381 | |
| 382 for (p = *formatters[argno];; p++) | |
| 383 { | |
| 384 switch (*p) | |
| 385 { | |
| 386 case 'q': | |
| 387 gcc_assert (!quote); | |
| 388 quote = true; | |
| 389 continue; | |
| 390 | |
| 391 case '+': | |
| 392 gcc_assert (!plus); | |
| 393 plus = true; | |
| 394 continue; | |
| 395 | |
| 396 case '#': | |
| 397 gcc_assert (!hash); | |
| 398 hash = true; | |
| 399 continue; | |
| 400 | |
| 401 case 'w': | |
| 402 gcc_assert (!wide); | |
| 403 wide = true; | |
| 404 continue; | |
| 405 | |
| 406 case 'l': | |
| 407 /* We don't support precision beyond that of "long long". */ | |
| 408 gcc_assert (precision < 2); | |
| 409 precision++; | |
| 410 continue; | |
| 411 } | |
| 412 break; | |
| 413 } | |
| 414 | |
| 415 gcc_assert (!wide || precision == 0); | |
| 416 | |
| 417 if (quote) | |
| 418 pp_string (pp, open_quote); | |
| 419 | |
| 420 switch (*p) | |
| 421 { | |
| 422 case 'c': | |
| 423 pp_character (pp, va_arg (*text->args_ptr, int)); | |
| 424 break; | |
| 425 | |
| 426 case 'd': | |
| 427 case 'i': | |
| 428 if (wide) | |
| 429 pp_wide_integer (pp, va_arg (*text->args_ptr, HOST_WIDE_INT)); | |
| 430 else | |
| 431 pp_integer_with_precision | |
| 432 (pp, *text->args_ptr, precision, int, "d"); | |
| 433 break; | |
| 434 | |
| 435 case 'o': | |
| 436 if (wide) | |
| 437 pp_scalar (pp, "%" HOST_WIDE_INT_PRINT "o", | |
| 438 va_arg (*text->args_ptr, unsigned HOST_WIDE_INT)); | |
| 439 else | |
| 440 pp_integer_with_precision | |
| 441 (pp, *text->args_ptr, precision, unsigned, "o"); | |
| 442 break; | |
| 443 | |
| 444 case 's': | |
| 445 pp_string (pp, va_arg (*text->args_ptr, const char *)); | |
| 446 break; | |
| 447 | |
| 448 case 'p': | |
| 449 pp_pointer (pp, va_arg (*text->args_ptr, void *)); | |
| 450 break; | |
| 451 | |
| 452 case 'u': | |
| 453 if (wide) | |
| 454 pp_scalar (pp, HOST_WIDE_INT_PRINT_UNSIGNED, | |
| 455 va_arg (*text->args_ptr, unsigned HOST_WIDE_INT)); | |
| 456 else | |
| 457 pp_integer_with_precision | |
| 458 (pp, *text->args_ptr, precision, unsigned, "u"); | |
| 459 break; | |
| 460 | |
| 461 case 'x': | |
| 462 if (wide) | |
| 463 pp_scalar (pp, HOST_WIDE_INT_PRINT_HEX, | |
| 464 va_arg (*text->args_ptr, unsigned HOST_WIDE_INT)); | |
| 465 else | |
| 466 pp_integer_with_precision | |
| 467 (pp, *text->args_ptr, precision, unsigned, "x"); | |
| 468 break; | |
| 469 | |
| 470 case '.': | |
| 471 { | |
| 472 int n; | |
| 473 const char *s; | |
| 474 | |
| 475 /* We handle '%.Ns' and '%.*s' or '%M$.*N$s' | |
| 476 (where M == N + 1). The format string should be verified | |
| 477 already from the first phase. */ | |
| 478 p++; | |
| 479 if (ISDIGIT (*p)) | |
| 480 { | |
| 481 char *end; | |
| 482 n = strtoul (p, &end, 10); | |
| 483 p = end; | |
| 484 gcc_assert (*p == 's'); | |
| 485 } | |
| 486 else | |
| 487 { | |
| 488 gcc_assert (*p == '*'); | |
| 489 p++; | |
| 490 gcc_assert (*p == 's'); | |
| 491 n = va_arg (*text->args_ptr, int); | |
| 492 | |
| 493 /* This consumes a second entry in the formatters array. */ | |
| 494 gcc_assert (formatters[argno] == formatters[argno+1]); | |
| 495 argno++; | |
| 496 } | |
| 497 | |
| 498 s = va_arg (*text->args_ptr, const char *); | |
| 499 pp_append_text (pp, s, s + n); | |
| 500 } | |
| 501 break; | |
| 502 | |
| 503 default: | |
| 504 { | |
| 505 bool ok; | |
| 506 | |
| 507 gcc_assert (pp_format_decoder (pp)); | |
| 508 ok = pp_format_decoder (pp) (pp, text, p, | |
| 509 precision, wide, plus, hash); | |
| 510 gcc_assert (ok); | |
| 511 } | |
| 512 } | |
| 513 | |
| 514 if (quote) | |
| 515 pp_string (pp, close_quote); | |
| 516 | |
| 517 obstack_1grow (&buffer->chunk_obstack, '\0'); | |
| 518 *formatters[argno] = XOBFINISH (&buffer->chunk_obstack, const char *); | |
| 519 } | |
| 520 | |
| 521 #ifdef ENABLE_CHECKING | |
| 522 for (; argno < PP_NL_ARGMAX; argno++) | |
| 523 gcc_assert (!formatters[argno]); | |
| 524 #endif | |
| 525 | |
| 526 /* Revert to normal obstack and wrapping mode. */ | |
| 527 buffer->obstack = &buffer->formatted_obstack; | |
| 528 buffer->line_length = 0; | |
| 529 pp_wrapping_mode (pp) = old_wrapping_mode; | |
| 530 pp_clear_state (pp); | |
| 531 } | |
| 532 | |
| 533 /* Format of a message pointed to by TEXT. */ | |
| 534 void | |
| 535 pp_base_output_formatted_text (pretty_printer *pp) | |
| 536 { | |
| 537 unsigned int chunk; | |
| 538 output_buffer *buffer = pp_buffer (pp); | |
| 539 struct chunk_info *chunk_array = buffer->cur_chunk_array; | |
| 540 const char **args = chunk_array->args; | |
| 541 | |
| 542 gcc_assert (buffer->obstack == &buffer->formatted_obstack); | |
| 543 gcc_assert (buffer->line_length == 0); | |
| 544 | |
| 545 /* This is a third phase, first 2 phases done in pp_base_format_args. | |
| 546 Now we actually print it. */ | |
| 547 for (chunk = 0; args[chunk]; chunk++) | |
| 548 pp_string (pp, args[chunk]); | |
| 549 | |
| 550 /* Deallocate the chunk structure and everything after it (i.e. the | |
| 551 associated series of formatted strings). */ | |
| 552 buffer->cur_chunk_array = chunk_array->prev; | |
| 553 obstack_free (&buffer->chunk_obstack, chunk_array); | |
| 554 } | |
| 555 | |
| 556 /* Helper subroutine of output_verbatim and verbatim. Do the appropriate | |
| 557 settings needed by BUFFER for a verbatim formatting. */ | |
| 558 void | |
| 559 pp_base_format_verbatim (pretty_printer *pp, text_info *text) | |
| 560 { | |
| 561 /* Set verbatim mode. */ | |
| 562 pp_wrapping_mode_t oldmode = pp_set_verbatim_wrapping (pp); | |
| 563 | |
| 564 /* Do the actual formatting. */ | |
| 565 pp_format (pp, text); | |
| 566 pp_output_formatted_text (pp); | |
| 567 | |
| 568 /* Restore previous settings. */ | |
| 569 pp_wrapping_mode (pp) = oldmode; | |
| 570 } | |
| 571 | |
| 572 /* Flush the content of BUFFER onto the attached stream. */ | |
| 573 void | |
| 574 pp_base_flush (pretty_printer *pp) | |
| 575 { | |
| 576 pp_write_text_to_stream (pp); | |
| 577 pp_clear_state (pp); | |
| 578 fputc ('\n', pp->buffer->stream); | |
| 579 fflush (pp->buffer->stream); | |
| 580 pp_needs_newline (pp) = false; | |
| 581 } | |
| 582 | |
| 583 /* Sets the number of maximum characters per line PRETTY-PRINTER can | |
| 584 output in line-wrapping mode. A LENGTH value 0 suppresses | |
| 585 line-wrapping. */ | |
| 586 void | |
| 587 pp_base_set_line_maximum_length (pretty_printer *pp, int length) | |
| 588 { | |
| 589 pp_line_cutoff (pp) = length; | |
| 590 pp_set_real_maximum_length (pp); | |
| 591 } | |
| 592 | |
| 593 /* Clear PRETTY-PRINTER output area text info. */ | |
| 594 void | |
| 595 pp_base_clear_output_area (pretty_printer *pp) | |
| 596 { | |
| 597 obstack_free (pp->buffer->obstack, obstack_base (pp->buffer->obstack)); | |
| 598 pp->buffer->line_length = 0; | |
| 599 } | |
| 600 | |
| 601 /* Set PREFIX for PRETTY-PRINTER. */ | |
| 602 void | |
| 603 pp_base_set_prefix (pretty_printer *pp, const char *prefix) | |
| 604 { | |
| 605 pp->prefix = prefix; | |
| 606 pp_set_real_maximum_length (pp); | |
| 607 pp->emitted_prefix = false; | |
| 608 pp_indentation (pp) = 0; | |
| 609 } | |
| 610 | |
| 611 /* Free PRETTY-PRINTER's prefix, a previously malloc()'d string. */ | |
| 612 void | |
| 613 pp_base_destroy_prefix (pretty_printer *pp) | |
| 614 { | |
| 615 if (pp->prefix != NULL) | |
| 616 { | |
| 617 free (CONST_CAST (char *, pp->prefix)); | |
| 618 pp->prefix = NULL; | |
| 619 } | |
| 620 } | |
| 621 | |
| 622 /* Write out PRETTY-PRINTER's prefix. */ | |
| 623 void | |
| 624 pp_base_emit_prefix (pretty_printer *pp) | |
| 625 { | |
| 626 if (pp->prefix != NULL) | |
| 627 { | |
| 628 switch (pp_prefixing_rule (pp)) | |
| 629 { | |
| 630 default: | |
| 631 case DIAGNOSTICS_SHOW_PREFIX_NEVER: | |
| 632 break; | |
| 633 | |
| 634 case DIAGNOSTICS_SHOW_PREFIX_ONCE: | |
| 635 if (pp->emitted_prefix) | |
| 636 { | |
| 637 pp_base_indent (pp); | |
| 638 break; | |
| 639 } | |
| 640 pp_indentation (pp) += 3; | |
| 641 /* Fall through. */ | |
| 642 | |
| 643 case DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE: | |
| 644 { | |
| 645 int prefix_length = strlen (pp->prefix); | |
| 646 pp_append_r (pp, pp->prefix, prefix_length); | |
| 647 pp->emitted_prefix = true; | |
| 648 } | |
| 649 break; | |
| 650 } | |
| 651 } | |
| 652 } | |
| 653 | |
| 654 /* Construct a PRETTY-PRINTER with PREFIX and of MAXIMUM_LENGTH | |
| 655 characters per line. */ | |
| 656 void | |
| 657 pp_construct (pretty_printer *pp, const char *prefix, int maximum_length) | |
| 658 { | |
| 659 memset (pp, 0, sizeof (pretty_printer)); | |
| 660 pp->buffer = XCNEW (output_buffer); | |
| 661 obstack_init (&pp->buffer->chunk_obstack); | |
| 662 obstack_init (&pp->buffer->formatted_obstack); | |
| 663 pp->buffer->obstack = &pp->buffer->formatted_obstack; | |
| 664 pp->buffer->stream = stderr; | |
| 665 pp_line_cutoff (pp) = maximum_length; | |
| 666 pp_prefixing_rule (pp) = DIAGNOSTICS_SHOW_PREFIX_ONCE; | |
| 667 pp_set_prefix (pp, prefix); | |
|
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|
668 pp_translate_identifiers (pp) = true; |
| 0 | 669 } |
| 670 | |
| 671 /* Append a string delimited by START and END to the output area of | |
| 672 PRETTY-PRINTER. No line wrapping is done. However, if beginning a | |
| 673 new line then emit PRETTY-PRINTER's prefix and skip any leading | |
| 674 whitespace if appropriate. The caller must ensure that it is | |
| 675 safe to do so. */ | |
| 676 void | |
| 677 pp_base_append_text (pretty_printer *pp, const char *start, const char *end) | |
| 678 { | |
| 679 /* Emit prefix and skip whitespace if we're starting a new line. */ | |
| 680 if (pp->buffer->line_length == 0) | |
| 681 { | |
| 682 pp_emit_prefix (pp); | |
| 683 if (pp_is_wrapping_line (pp)) | |
| 684 while (start != end && *start == ' ') | |
| 685 ++start; | |
| 686 } | |
| 687 pp_append_r (pp, start, end - start); | |
| 688 } | |
| 689 | |
| 690 /* Finishes constructing a NULL-terminated character string representing | |
| 691 the PRETTY-PRINTED text. */ | |
| 692 const char * | |
| 693 pp_base_formatted_text (pretty_printer *pp) | |
| 694 { | |
| 695 obstack_1grow (pp->buffer->obstack, '\0'); | |
| 696 return pp_formatted_text_data (pp); | |
| 697 } | |
| 698 | |
| 699 /* Return a pointer to the last character emitted in PRETTY-PRINTER's | |
| 700 output area. A NULL pointer means no character available. */ | |
| 701 const char * | |
| 702 pp_base_last_position_in_text (const pretty_printer *pp) | |
| 703 { | |
| 704 const char *p = NULL; | |
| 705 struct obstack *text = pp->buffer->obstack; | |
| 706 | |
| 707 if (obstack_base (text) != obstack_next_free (text)) | |
| 708 p = ((const char *) obstack_next_free (text)) - 1; | |
| 709 return p; | |
| 710 } | |
| 711 | |
| 712 /* Return the amount of characters PRETTY-PRINTER can accept to | |
| 713 make a full line. Meaningful only in line-wrapping mode. */ | |
| 714 int | |
| 715 pp_base_remaining_character_count_for_line (pretty_printer *pp) | |
| 716 { | |
| 717 return pp->maximum_length - pp->buffer->line_length; | |
| 718 } | |
| 719 | |
| 720 | |
| 721 /* Format a message into BUFFER a la printf. */ | |
| 722 void | |
| 723 pp_printf (pretty_printer *pp, const char *msg, ...) | |
| 724 { | |
| 725 text_info text; | |
| 726 va_list ap; | |
| 727 | |
| 728 va_start (ap, msg); | |
| 729 text.err_no = errno; | |
| 730 text.args_ptr = ≈ | |
| 731 text.format_spec = msg; | |
| 732 text.locus = NULL; | |
| 733 pp_format (pp, &text); | |
| 734 pp_output_formatted_text (pp); | |
| 735 va_end (ap); | |
| 736 } | |
| 737 | |
| 738 | |
| 739 /* Output MESSAGE verbatim into BUFFER. */ | |
| 740 void | |
| 741 pp_verbatim (pretty_printer *pp, const char *msg, ...) | |
| 742 { | |
| 743 text_info text; | |
| 744 va_list ap; | |
| 745 | |
| 746 va_start (ap, msg); | |
| 747 text.err_no = errno; | |
| 748 text.args_ptr = ≈ | |
| 749 text.format_spec = msg; | |
| 750 text.locus = NULL; | |
| 751 pp_format_verbatim (pp, &text); | |
| 752 va_end (ap); | |
| 753 } | |
| 754 | |
| 755 | |
| 756 | |
| 757 /* Have PRETTY-PRINTER start a new line. */ | |
| 758 void | |
| 759 pp_base_newline (pretty_printer *pp) | |
| 760 { | |
| 761 obstack_1grow (pp->buffer->obstack, '\n'); | |
| 762 pp->buffer->line_length = 0; | |
| 763 } | |
| 764 | |
| 765 /* Have PRETTY-PRINTER add a CHARACTER. */ | |
| 766 void | |
| 767 pp_base_character (pretty_printer *pp, int c) | |
| 768 { | |
| 769 if (pp_is_wrapping_line (pp) | |
| 770 && pp_remaining_character_count_for_line (pp) <= 0) | |
| 771 { | |
| 772 pp_newline (pp); | |
| 773 if (ISSPACE (c)) | |
| 774 return; | |
| 775 } | |
| 776 obstack_1grow (pp->buffer->obstack, c); | |
| 777 ++pp->buffer->line_length; | |
| 778 } | |
| 779 | |
| 780 /* Append a STRING to the output area of PRETTY-PRINTER; the STRING may | |
| 781 be line-wrapped if in appropriate mode. */ | |
| 782 void | |
| 783 pp_base_string (pretty_printer *pp, const char *str) | |
| 784 { | |
| 785 pp_maybe_wrap_text (pp, str, str + (str ? strlen (str) : 0)); | |
| 786 } | |
| 787 | |
| 788 /* Maybe print out a whitespace if needed. */ | |
| 789 | |
| 790 void | |
| 791 pp_base_maybe_space (pretty_printer *pp) | |
| 792 { | |
| 793 if (pp_base (pp)->padding != pp_none) | |
| 794 { | |
| 795 pp_space (pp); | |
| 796 pp_base (pp)->padding = pp_none; | |
| 797 } | |
| 798 } | |
|
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|
799 |
|
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|
800 /* The string starting at P has LEN (at least 1) bytes left; if they |
|
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|
801 start with a valid UTF-8 sequence, return the length of that |
|
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|
802 sequence and set *VALUE to the value of that sequence, and |
|
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|
803 otherwise return 0 and set *VALUE to (unsigned int) -1. */ |
|
77e2b8dfacca
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changeset
|
804 |
|
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diff
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|
805 static int |
|
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|
806 decode_utf8_char (const unsigned char *p, size_t len, unsigned int *value) |
|
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|
807 { |
|
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|
808 unsigned int t = *p; |
|
77e2b8dfacca
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diff
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|
809 |
|
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|
810 if (len == 0) |
|
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|
811 abort (); |
|
77e2b8dfacca
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|
812 if (t & 0x80) |
|
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|
813 { |
|
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changeset
|
814 size_t utf8_len = 0; |
|
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|
815 unsigned int ch; |
|
77e2b8dfacca
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|
816 size_t i; |
|
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|
817 for (t = *p; t & 0x80; t <<= 1) |
|
77e2b8dfacca
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diff
changeset
|
818 utf8_len++; |
|
77e2b8dfacca
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diff
changeset
|
819 |
|
77e2b8dfacca
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changeset
|
820 if (utf8_len > len || utf8_len < 2 || utf8_len > 6) |
|
77e2b8dfacca
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|
821 { |
|
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|
822 *value = (unsigned int) -1; |
|
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|
823 return 0; |
|
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|
824 } |
|
77e2b8dfacca
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diff
changeset
|
825 ch = *p & ((1 << (7 - utf8_len)) - 1); |
|
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|
826 for (i = 1; i < utf8_len; i++) |
|
77e2b8dfacca
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|
827 { |
|
77e2b8dfacca
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diff
changeset
|
828 unsigned int u = p[i]; |
|
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diff
changeset
|
829 if ((u & 0xC0) != 0x80) |
|
77e2b8dfacca
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diff
changeset
|
830 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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diff
changeset
|
831 *value = (unsigned int) -1; |
|
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diff
changeset
|
832 return 0; |
|
77e2b8dfacca
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diff
changeset
|
833 } |
|
77e2b8dfacca
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diff
changeset
|
834 ch = (ch << 6) | (u & 0x3F); |
|
77e2b8dfacca
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parents:
0
diff
changeset
|
835 } |
|
77e2b8dfacca
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diff
changeset
|
836 if ( (ch <= 0x7F && utf8_len > 1) |
|
77e2b8dfacca
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diff
changeset
|
837 || (ch <= 0x7FF && utf8_len > 2) |
|
77e2b8dfacca
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changeset
|
838 || (ch <= 0xFFFF && utf8_len > 3) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
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diff
changeset
|
839 || (ch <= 0x1FFFFF && utf8_len > 4) |
|
77e2b8dfacca
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diff
changeset
|
840 || (ch <= 0x3FFFFFF && utf8_len > 5) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
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diff
changeset
|
841 || (ch >= 0xD800 && ch <= 0xDFFF)) |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
|
842 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
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diff
changeset
|
843 *value = (unsigned int) -1; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
844 return 0; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
845 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
|
846 *value = ch; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
847 return utf8_len; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
848 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
849 else |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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diff
changeset
|
850 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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diff
changeset
|
851 *value = t; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
852 return 1; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
853 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
854 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
855 |
|
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
|
856 /* Allocator for identifier_to_locale and corresponding function to |
|
f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
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857 free memory. */ |
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858 |
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859 void *(*identifier_to_locale_alloc) (size_t) = xmalloc; |
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860 void (*identifier_to_locale_free) (void *) = free; |
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|
861 |
|
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862 /* Given IDENT, an identifier in the internal encoding, return a |
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863 version of IDENT suitable for diagnostics in the locale character |
|
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864 set: either IDENT itself, or a string, allocated using |
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865 identifier_to_locale_alloc, converted to the locale character set |
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866 and using escape sequences if not representable in the locale |
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867 character set or containing control characters or invalid byte |
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868 sequences. Existing backslashes in IDENT are not doubled, so the |
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869 result may not uniquely specify the contents of an arbitrary byte |
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870 sequence identifier. */ |
|
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871 |
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872 const char * |
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873 identifier_to_locale (const char *ident) |
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874 { |
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875 const unsigned char *uid = (const unsigned char *) ident; |
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876 size_t idlen = strlen (ident); |
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877 bool valid_printable_utf8 = true; |
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878 bool all_ascii = true; |
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879 size_t i; |
|
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880 |
|
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881 for (i = 0; i < idlen;) |
|
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882 { |
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883 unsigned int c; |
|
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884 size_t utf8_len = decode_utf8_char (&uid[i], idlen - i, &c); |
|
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885 if (utf8_len == 0 || c <= 0x1F || (c >= 0x7F && c <= 0x9F)) |
|
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886 { |
|
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|
887 valid_printable_utf8 = false; |
|
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|
888 break; |
|
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889 } |
|
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|
890 if (utf8_len > 1) |
|
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891 all_ascii = false; |
|
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|
892 i += utf8_len; |
|
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893 } |
|
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|
894 |
|
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diff
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|
895 /* If IDENT contains invalid UTF-8 sequences (which may occur with |
|
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diff
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|
896 attributes putting arbitrary byte sequences in identifiers), or |
|
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|
897 control characters, we use octal escape sequences for all bytes |
|
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|
898 outside printable ASCII. */ |
|
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diff
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|
899 if (!valid_printable_utf8) |
|
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diff
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|
900 { |
|
67
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|
901 char *ret = (char *) identifier_to_locale_alloc (4 * idlen + 1); |
|
55
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|
902 char *p = ret; |
|
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parents:
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diff
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|
903 for (i = 0; i < idlen; i++) |
|
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diff
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|
904 { |
|
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diff
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|
905 if (uid[i] > 0x1F && uid[i] < 0x7F) |
|
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update it from 4.4.3 to 4.5.0
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parents:
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diff
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|
906 *p++ = uid[i]; |
|
77e2b8dfacca
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0
diff
changeset
|
907 else |
|
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parents:
0
diff
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|
908 { |
|
77e2b8dfacca
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parents:
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diff
changeset
|
909 sprintf (p, "\\%03o", uid[i]); |
|
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update it from 4.4.3 to 4.5.0
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parents:
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diff
changeset
|
910 p += 4; |
|
77e2b8dfacca
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diff
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|
911 } |
|
77e2b8dfacca
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diff
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|
912 } |
|
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update it from 4.4.3 to 4.5.0
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diff
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|
913 *p = 0; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
914 return ret; |
|
77e2b8dfacca
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parents:
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diff
changeset
|
915 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
916 |
|
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update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
917 /* Otherwise, if it is valid printable ASCII, or printable UTF-8 |
|
77e2b8dfacca
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parents:
0
diff
changeset
|
918 with the locale character set being UTF-8, IDENT is used. */ |
|
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update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
919 if (all_ascii || locale_utf8) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
920 return ident; |
|
77e2b8dfacca
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parents:
0
diff
changeset
|
921 |
|
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update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
922 /* Otherwise IDENT is converted to the locale character set if |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
923 possible. */ |
|
77e2b8dfacca
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parents:
0
diff
changeset
|
924 #if defined ENABLE_NLS && defined HAVE_LANGINFO_CODESET && HAVE_ICONV |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
925 if (locale_encoding != NULL) |
|
77e2b8dfacca
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parents:
0
diff
changeset
|
926 { |
|
77e2b8dfacca
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parents:
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diff
changeset
|
927 iconv_t cd = iconv_open (locale_encoding, "UTF-8"); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
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diff
changeset
|
928 bool conversion_ok = true; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
929 char *ret = NULL; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
930 if (cd != (iconv_t) -1) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
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diff
changeset
|
931 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
932 size_t ret_alloc = 4 * idlen + 1; |
|
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update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
933 for (;;) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
934 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
935 /* 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
|
936 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:
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diff
changeset
|
937 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
|
938 ICONV_CONST char *inbuf = CONST_CAST (char *, ident); |
|
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parents:
0
diff
changeset
|
939 char *outbuf; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
940 size_t inbytesleft = idlen; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
941 size_t outbytesleft = ret_alloc - 1; |
|
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update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
942 size_t iconv_ret; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
943 |
|
67
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
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diff
changeset
|
944 ret = (char *) identifier_to_locale_alloc (ret_alloc); |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
945 outbuf = ret; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
946 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
947 if (iconv (cd, 0, 0, 0, 0) == (size_t) -1) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
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diff
changeset
|
948 { |
|
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update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
949 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
|
950 break; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
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diff
changeset
|
951 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
952 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
953 iconv_ret = iconv (cd, &inbuf, &inbytesleft, |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
954 &outbuf, &outbytesleft); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
955 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
|
956 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
957 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
|
958 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
959 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
|
960 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
|
961 ret = NULL; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
962 continue; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
963 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
964 else |
|
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 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
|
967 break; |
|
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 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
970 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
|
971 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
972 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
|
973 break; |
|
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 /* 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
|
976 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
|
977 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
978 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
|
979 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
980 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
|
981 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
|
982 ret = NULL; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
983 continue; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
984 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
985 else |
|
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 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
|
988 break; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
989 } |
|
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 *outbuf = 0; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
992 break; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
993 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
994 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
|
995 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
|
996 return ret; |
|
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 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
999 #endif |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1000 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1001 /* 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
|
1002 { |
|
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
|
1003 char *ret = (char *) identifier_to_locale_alloc (10 * 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
|
1004 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
|
1005 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
|
1006 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1007 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
|
1008 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
|
1009 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
|
1010 *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
|
1011 else |
|
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 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
|
1014 p += 10; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1015 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1016 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
|
1017 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1018 *p = 0; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1019 return ret; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1020 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1021 } |