Mercurial > hg > CbC > CbC_gcc
annotate gcc/c-ppoutput.c @ 55:77e2b8dfacca gcc-4.4.5
update it from 4.4.3 to 4.5.0
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 12 Feb 2010 23:39:51 +0900 |
| parents | a06113de4d67 |
| children | b7f97abdc517 |
| rev | line source |
|---|---|
| 0 | 1 /* Preprocess only, using cpplib. |
| 2 Copyright (C) 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, | |
|
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3 2008, 2009 Free Software Foundation, Inc. |
| 0 | 4 Written by Per Bothner, 1994-95. |
| 5 | |
| 6 This program is free software; you can redistribute it and/or modify it | |
| 7 under the terms of the GNU General Public License as published by the | |
| 8 Free Software Foundation; either version 3, or (at your option) any | |
| 9 later version. | |
| 10 | |
| 11 This program is distributed in the hope that it will be useful, | |
| 12 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 GNU General Public License for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU General Public License | |
| 17 along with this program; see the file COPYING3. If not see | |
| 18 <http://www.gnu.org/licenses/>. */ | |
| 19 | |
| 20 #include "config.h" | |
| 21 #include "system.h" | |
| 22 #include "coretypes.h" | |
| 23 #include "tm.h" | |
| 24 #include "cpplib.h" | |
| 25 #include "../libcpp/internal.h" | |
| 26 #include "tree.h" | |
| 27 #include "c-common.h" /* For flags. */ | |
| 28 #include "c-pragma.h" /* For parse_in. */ | |
| 29 | |
| 30 /* Encapsulates state used to convert a stream of tokens into a text | |
| 31 file. */ | |
| 32 static struct | |
| 33 { | |
| 34 FILE *outf; /* Stream to write to. */ | |
| 35 const cpp_token *prev; /* Previous token. */ | |
| 36 const cpp_token *source; /* Source token for spacing. */ | |
| 37 int src_line; /* Line number currently being written. */ | |
| 38 unsigned char printed; /* Nonzero if something output at line. */ | |
| 39 bool first_time; /* pp_file_change hasn't been called yet. */ | |
| 40 } print; | |
| 41 | |
| 42 /* Defined and undefined macros being queued for output with -dU at | |
| 43 the next newline. */ | |
| 44 typedef struct macro_queue | |
| 45 { | |
| 46 struct macro_queue *next; /* Next macro in the list. */ | |
| 47 char *macro; /* The name of the macro if not | |
| 48 defined, the full definition if | |
| 49 defined. */ | |
| 50 } macro_queue; | |
| 51 static macro_queue *define_queue, *undef_queue; | |
| 52 | |
| 53 /* General output routines. */ | |
| 54 static void scan_translation_unit (cpp_reader *); | |
| 55 static void print_lines_directives_only (int, const void *, size_t); | |
| 56 static void scan_translation_unit_directives_only (cpp_reader *); | |
| 57 static void scan_translation_unit_trad (cpp_reader *); | |
| 58 static void account_for_newlines (const unsigned char *, size_t); | |
| 59 static int dump_macro (cpp_reader *, cpp_hashnode *, void *); | |
| 60 static void dump_queued_macros (cpp_reader *); | |
| 61 | |
| 62 static void print_line (source_location, const char *); | |
| 63 static void maybe_print_line (source_location); | |
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64 static void do_line_change (cpp_reader *, const cpp_token *, |
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65 source_location, int); |
| 0 | 66 |
| 67 /* Callback routines for the parser. Most of these are active only | |
| 68 in specific modes. */ | |
| 69 static void cb_line_change (cpp_reader *, const cpp_token *, int); | |
| 70 static void cb_define (cpp_reader *, source_location, cpp_hashnode *); | |
| 71 static void cb_undef (cpp_reader *, source_location, cpp_hashnode *); | |
| 72 static void cb_used_define (cpp_reader *, source_location, cpp_hashnode *); | |
| 73 static void cb_used_undef (cpp_reader *, source_location, cpp_hashnode *); | |
| 74 static void cb_include (cpp_reader *, source_location, const unsigned char *, | |
| 75 const char *, int, const cpp_token **); | |
| 76 static void cb_ident (cpp_reader *, source_location, const cpp_string *); | |
| 77 static void cb_def_pragma (cpp_reader *, source_location); | |
| 78 static void cb_read_pch (cpp_reader *pfile, const char *name, | |
| 79 int fd, const char *orig_name); | |
| 80 | |
| 81 /* Preprocess and output. */ | |
| 82 void | |
| 83 preprocess_file (cpp_reader *pfile) | |
| 84 { | |
| 85 /* A successful cpp_read_main_file guarantees that we can call | |
| 86 cpp_scan_nooutput or cpp_get_token next. */ | |
| 87 if (flag_no_output) | |
| 88 { | |
| 89 /* Scan -included buffers, then the main file. */ | |
| 90 while (pfile->buffer->prev) | |
| 91 cpp_scan_nooutput (pfile); | |
| 92 cpp_scan_nooutput (pfile); | |
| 93 } | |
| 94 else if (cpp_get_options (pfile)->traditional) | |
| 95 scan_translation_unit_trad (pfile); | |
| 96 else if (cpp_get_options (pfile)->directives_only | |
| 97 && !cpp_get_options (pfile)->preprocessed) | |
| 98 scan_translation_unit_directives_only (pfile); | |
| 99 else | |
| 100 scan_translation_unit (pfile); | |
| 101 | |
| 102 /* -dM command line option. Should this be elsewhere? */ | |
| 103 if (flag_dump_macros == 'M') | |
| 104 cpp_forall_identifiers (pfile, dump_macro, NULL); | |
| 105 | |
| 106 /* Flush any pending output. */ | |
| 107 if (print.printed) | |
| 108 putc ('\n', print.outf); | |
| 109 } | |
| 110 | |
| 111 /* Set up the callbacks as appropriate. */ | |
| 112 void | |
| 113 init_pp_output (FILE *out_stream) | |
| 114 { | |
| 115 cpp_callbacks *cb = cpp_get_callbacks (parse_in); | |
| 116 | |
| 117 if (!flag_no_output) | |
| 118 { | |
| 119 cb->line_change = cb_line_change; | |
| 120 /* Don't emit #pragma or #ident directives if we are processing | |
| 121 assembly language; the assembler may choke on them. */ | |
| 122 if (cpp_get_options (parse_in)->lang != CLK_ASM) | |
| 123 { | |
| 124 cb->ident = cb_ident; | |
| 125 cb->def_pragma = cb_def_pragma; | |
| 126 } | |
| 127 } | |
| 128 | |
| 129 if (flag_dump_includes) | |
| 130 cb->include = cb_include; | |
| 131 | |
| 132 if (flag_pch_preprocess) | |
| 133 { | |
| 134 cb->valid_pch = c_common_valid_pch; | |
| 135 cb->read_pch = cb_read_pch; | |
| 136 } | |
| 137 | |
| 138 if (flag_dump_macros == 'N' || flag_dump_macros == 'D') | |
| 139 { | |
| 140 cb->define = cb_define; | |
| 141 cb->undef = cb_undef; | |
| 142 } | |
| 143 | |
| 144 if (flag_dump_macros == 'U') | |
| 145 { | |
| 146 cb->before_define = dump_queued_macros; | |
| 147 cb->used_define = cb_used_define; | |
| 148 cb->used_undef = cb_used_undef; | |
| 149 } | |
| 150 | |
| 151 /* Initialize the print structure. */ | |
| 152 print.src_line = 1; | |
| 153 print.printed = 0; | |
| 154 print.prev = 0; | |
| 155 print.outf = out_stream; | |
| 156 print.first_time = 1; | |
| 157 } | |
| 158 | |
| 159 /* Writes out the preprocessed file, handling spacing and paste | |
| 160 avoidance issues. */ | |
| 161 static void | |
| 162 scan_translation_unit (cpp_reader *pfile) | |
| 163 { | |
| 164 bool avoid_paste = false; | |
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165 bool do_line_adjustments |
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166 = cpp_get_options (parse_in)->lang != CLK_ASM |
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167 && !flag_no_line_commands; |
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168 bool in_pragma = false; |
| 0 | 169 |
| 170 print.source = NULL; | |
| 171 for (;;) | |
| 172 { | |
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173 source_location loc; |
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174 const cpp_token *token = cpp_get_token_with_location (pfile, &loc); |
| 0 | 175 |
| 176 if (token->type == CPP_PADDING) | |
| 177 { | |
| 178 avoid_paste = true; | |
| 179 if (print.source == NULL | |
| 180 || (!(print.source->flags & PREV_WHITE) | |
| 181 && token->val.source == NULL)) | |
| 182 print.source = token->val.source; | |
| 183 continue; | |
| 184 } | |
| 185 | |
| 186 if (token->type == CPP_EOF) | |
| 187 break; | |
| 188 | |
| 189 /* Subtle logic to output a space if and only if necessary. */ | |
| 190 if (avoid_paste) | |
| 191 { | |
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192 const struct line_map *map |
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193 = linemap_lookup (line_table, loc); |
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194 int src_line = SOURCE_LINE (map, loc); |
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195 |
| 0 | 196 if (print.source == NULL) |
| 197 print.source = token; | |
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198 |
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199 if (src_line != print.src_line |
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200 && do_line_adjustments |
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201 && !in_pragma) |
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202 { |
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203 do_line_change (pfile, token, loc, false); |
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204 putc (' ', print.outf); |
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205 } |
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206 else if (print.source->flags & PREV_WHITE |
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207 || (print.prev |
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208 && cpp_avoid_paste (pfile, print.prev, token)) |
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209 || (print.prev == NULL && token->type == CPP_HASH)) |
| 0 | 210 putc (' ', print.outf); |
| 211 } | |
| 212 else if (token->flags & PREV_WHITE) | |
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213 { |
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214 const struct line_map *map |
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215 = linemap_lookup (line_table, loc); |
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216 int src_line = SOURCE_LINE (map, loc); |
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217 |
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218 if (src_line != print.src_line |
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219 && do_line_adjustments |
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220 && !in_pragma) |
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221 do_line_change (pfile, token, loc, false); |
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222 putc (' ', print.outf); |
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223 } |
| 0 | 224 |
| 225 avoid_paste = false; | |
| 226 print.source = NULL; | |
| 227 print.prev = token; | |
| 228 if (token->type == CPP_PRAGMA) | |
| 229 { | |
| 230 const char *space; | |
| 231 const char *name; | |
| 232 | |
| 233 maybe_print_line (token->src_loc); | |
| 234 fputs ("#pragma ", print.outf); | |
| 235 c_pp_lookup_pragma (token->val.pragma, &space, &name); | |
| 236 if (space) | |
| 237 fprintf (print.outf, "%s %s", space, name); | |
| 238 else | |
| 239 fprintf (print.outf, "%s", name); | |
| 240 print.printed = 1; | |
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241 in_pragma = true; |
| 0 | 242 } |
| 243 else if (token->type == CPP_PRAGMA_EOL) | |
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244 { |
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245 maybe_print_line (token->src_loc); |
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246 in_pragma = false; |
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247 } |
| 0 | 248 else |
| 249 cpp_output_token (token, print.outf); | |
| 250 | |
| 251 if (token->type == CPP_COMMENT) | |
| 252 account_for_newlines (token->val.str.text, token->val.str.len); | |
| 253 } | |
| 254 } | |
| 255 | |
| 256 static void | |
| 257 print_lines_directives_only (int lines, const void *buf, size_t size) | |
| 258 { | |
| 259 print.src_line += lines; | |
| 260 fwrite (buf, 1, size, print.outf); | |
| 261 } | |
| 262 | |
| 263 /* Writes out the preprocessed file, handling spacing and paste | |
| 264 avoidance issues. */ | |
| 265 static void | |
| 266 scan_translation_unit_directives_only (cpp_reader *pfile) | |
| 267 { | |
| 268 struct _cpp_dir_only_callbacks cb; | |
| 269 | |
| 270 cb.print_lines = print_lines_directives_only; | |
| 271 cb.maybe_print_line = maybe_print_line; | |
| 272 | |
| 273 _cpp_preprocess_dir_only (pfile, &cb); | |
| 274 } | |
| 275 | |
| 276 /* Adjust print.src_line for newlines embedded in output. */ | |
| 277 static void | |
| 278 account_for_newlines (const unsigned char *str, size_t len) | |
| 279 { | |
| 280 while (len--) | |
| 281 if (*str++ == '\n') | |
| 282 print.src_line++; | |
| 283 } | |
| 284 | |
| 285 /* Writes out a traditionally preprocessed file. */ | |
| 286 static void | |
| 287 scan_translation_unit_trad (cpp_reader *pfile) | |
| 288 { | |
| 289 while (_cpp_read_logical_line_trad (pfile)) | |
| 290 { | |
| 291 size_t len = pfile->out.cur - pfile->out.base; | |
| 292 maybe_print_line (pfile->out.first_line); | |
| 293 fwrite (pfile->out.base, 1, len, print.outf); | |
| 294 print.printed = 1; | |
| 295 if (!CPP_OPTION (pfile, discard_comments)) | |
| 296 account_for_newlines (pfile->out.base, len); | |
| 297 } | |
| 298 } | |
| 299 | |
| 300 /* If the token read on logical line LINE needs to be output on a | |
| 301 different line to the current one, output the required newlines or | |
| 302 a line marker, and return 1. Otherwise return 0. */ | |
| 303 static void | |
| 304 maybe_print_line (source_location src_loc) | |
| 305 { | |
| 306 const struct line_map *map = linemap_lookup (line_table, src_loc); | |
| 307 int src_line = SOURCE_LINE (map, src_loc); | |
| 308 /* End the previous line of text. */ | |
| 309 if (print.printed) | |
| 310 { | |
| 311 putc ('\n', print.outf); | |
| 312 print.src_line++; | |
| 313 print.printed = 0; | |
| 314 } | |
| 315 | |
| 316 if (src_line >= print.src_line && src_line < print.src_line + 8) | |
| 317 { | |
| 318 while (src_line > print.src_line) | |
| 319 { | |
| 320 putc ('\n', print.outf); | |
| 321 print.src_line++; | |
| 322 } | |
| 323 } | |
| 324 else | |
| 325 print_line (src_loc, ""); | |
| 326 } | |
| 327 | |
| 328 /* Output a line marker for logical line LINE. Special flags are "1" | |
| 329 or "2" indicating entering or leaving a file. */ | |
| 330 static void | |
| 331 print_line (source_location src_loc, const char *special_flags) | |
| 332 { | |
| 333 /* End any previous line of text. */ | |
| 334 if (print.printed) | |
| 335 putc ('\n', print.outf); | |
| 336 print.printed = 0; | |
| 337 | |
| 338 if (!flag_no_line_commands) | |
| 339 { | |
| 340 const struct line_map *map = linemap_lookup (line_table, src_loc); | |
| 341 | |
| 342 size_t to_file_len = strlen (map->to_file); | |
| 343 unsigned char *to_file_quoted = | |
| 344 (unsigned char *) alloca (to_file_len * 4 + 1); | |
| 345 unsigned char *p; | |
| 346 | |
| 347 print.src_line = SOURCE_LINE (map, src_loc); | |
| 348 | |
| 349 /* cpp_quote_string does not nul-terminate, so we have to do it | |
| 350 ourselves. */ | |
| 351 p = cpp_quote_string (to_file_quoted, | |
| 352 (const unsigned char *) map->to_file, to_file_len); | |
| 353 *p = '\0'; | |
| 354 fprintf (print.outf, "# %u \"%s\"%s", | |
| 355 print.src_line == 0 ? 1 : print.src_line, | |
| 356 to_file_quoted, special_flags); | |
| 357 | |
| 358 if (map->sysp == 2) | |
| 359 fputs (" 3 4", print.outf); | |
| 360 else if (map->sysp == 1) | |
| 361 fputs (" 3", print.outf); | |
| 362 | |
| 363 putc ('\n', print.outf); | |
| 364 } | |
| 365 } | |
| 366 | |
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367 /* Helper function for cb_line_change and scan_translation_unit. */ |
| 0 | 368 static void |
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369 do_line_change (cpp_reader *pfile, const cpp_token *token, |
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370 source_location src_loc, int parsing_args) |
| 0 | 371 { |
| 372 if (define_queue || undef_queue) | |
| 373 dump_queued_macros (pfile); | |
| 374 | |
| 375 if (token->type == CPP_EOF || parsing_args) | |
| 376 return; | |
| 377 | |
| 378 maybe_print_line (src_loc); | |
| 379 print.prev = 0; | |
| 380 print.source = 0; | |
| 381 | |
| 382 /* Supply enough spaces to put this token in its original column, | |
| 383 one space per column greater than 2, since scan_translation_unit | |
| 384 will provide a space if PREV_WHITE. Don't bother trying to | |
| 385 reconstruct tabs; we can't get it right in general, and nothing | |
| 386 ought to care. Some things do care; the fault lies with them. */ | |
| 387 if (!CPP_OPTION (pfile, traditional)) | |
| 388 { | |
| 389 const struct line_map *map = linemap_lookup (line_table, src_loc); | |
| 390 int spaces = SOURCE_COLUMN (map, src_loc) - 2; | |
| 391 print.printed = 1; | |
| 392 | |
| 393 while (-- spaces >= 0) | |
| 394 putc (' ', print.outf); | |
| 395 } | |
| 396 } | |
| 397 | |
|
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398 /* Called when a line of output is started. TOKEN is the first token |
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399 of the line, and at end of file will be CPP_EOF. */ |
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400 static void |
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401 cb_line_change (cpp_reader *pfile, const cpp_token *token, |
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402 int parsing_args) |
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403 { |
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404 do_line_change (pfile, token, token->src_loc, parsing_args); |
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405 } |
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406 |
| 0 | 407 static void |
| 408 cb_ident (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location line, | |
| 409 const cpp_string *str) | |
| 410 { | |
| 411 maybe_print_line (line); | |
| 412 fprintf (print.outf, "#ident %s\n", str->text); | |
| 413 print.src_line++; | |
| 414 } | |
| 415 | |
| 416 static void | |
| 417 cb_define (cpp_reader *pfile, source_location line, cpp_hashnode *node) | |
| 418 { | |
| 419 maybe_print_line (line); | |
| 420 fputs ("#define ", print.outf); | |
| 421 | |
| 422 /* 'D' is whole definition; 'N' is name only. */ | |
| 423 if (flag_dump_macros == 'D') | |
| 424 fputs ((const char *) cpp_macro_definition (pfile, node), | |
| 425 print.outf); | |
| 426 else | |
| 427 fputs ((const char *) NODE_NAME (node), print.outf); | |
| 428 | |
| 429 putc ('\n', print.outf); | |
| 430 if (linemap_lookup (line_table, line)->to_line != 0) | |
| 431 print.src_line++; | |
| 432 } | |
| 433 | |
| 434 static void | |
| 435 cb_undef (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location line, | |
| 436 cpp_hashnode *node) | |
| 437 { | |
| 438 maybe_print_line (line); | |
| 439 fprintf (print.outf, "#undef %s\n", NODE_NAME (node)); | |
| 440 print.src_line++; | |
| 441 } | |
| 442 | |
| 443 static void | |
| 444 cb_used_define (cpp_reader *pfile, source_location line ATTRIBUTE_UNUSED, | |
| 445 cpp_hashnode *node) | |
| 446 { | |
| 447 macro_queue *q; | |
| 448 if (node->flags & NODE_BUILTIN) | |
| 449 return; | |
| 450 q = XNEW (macro_queue); | |
| 451 q->macro = xstrdup ((const char *) cpp_macro_definition (pfile, node)); | |
| 452 q->next = define_queue; | |
| 453 define_queue = q; | |
| 454 } | |
| 455 | |
| 456 static void | |
| 457 cb_used_undef (cpp_reader *pfile ATTRIBUTE_UNUSED, | |
| 458 source_location line ATTRIBUTE_UNUSED, | |
| 459 cpp_hashnode *node) | |
| 460 { | |
| 461 macro_queue *q; | |
| 462 q = XNEW (macro_queue); | |
| 463 q->macro = xstrdup ((const char *) NODE_NAME (node)); | |
| 464 q->next = undef_queue; | |
| 465 undef_queue = q; | |
| 466 } | |
| 467 | |
| 468 static void | |
| 469 dump_queued_macros (cpp_reader *pfile ATTRIBUTE_UNUSED) | |
| 470 { | |
| 471 macro_queue *q; | |
| 472 | |
| 473 /* End the previous line of text. */ | |
| 474 if (print.printed) | |
| 475 { | |
| 476 putc ('\n', print.outf); | |
| 477 print.src_line++; | |
| 478 print.printed = 0; | |
| 479 } | |
| 480 | |
| 481 for (q = define_queue; q;) | |
| 482 { | |
| 483 macro_queue *oq; | |
| 484 fputs ("#define ", print.outf); | |
| 485 fputs (q->macro, print.outf); | |
| 486 putc ('\n', print.outf); | |
| 487 print.src_line++; | |
| 488 oq = q; | |
| 489 q = q->next; | |
| 490 free (oq->macro); | |
| 491 free (oq); | |
| 492 } | |
| 493 define_queue = NULL; | |
| 494 for (q = undef_queue; q;) | |
| 495 { | |
| 496 macro_queue *oq; | |
| 497 fprintf (print.outf, "#undef %s\n", q->macro); | |
| 498 print.src_line++; | |
| 499 oq = q; | |
| 500 q = q->next; | |
| 501 free (oq->macro); | |
| 502 free (oq); | |
| 503 } | |
| 504 undef_queue = NULL; | |
| 505 } | |
| 506 | |
| 507 static void | |
| 508 cb_include (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location line, | |
| 509 const unsigned char *dir, const char *header, int angle_brackets, | |
| 510 const cpp_token **comments) | |
| 511 { | |
| 512 maybe_print_line (line); | |
| 513 if (angle_brackets) | |
| 514 fprintf (print.outf, "#%s <%s>", dir, header); | |
| 515 else | |
| 516 fprintf (print.outf, "#%s \"%s\"", dir, header); | |
| 517 | |
| 518 if (comments != NULL) | |
| 519 { | |
| 520 while (*comments != NULL) | |
| 521 { | |
| 522 if ((*comments)->flags & PREV_WHITE) | |
| 523 putc (' ', print.outf); | |
| 524 cpp_output_token (*comments, print.outf); | |
| 525 ++comments; | |
| 526 } | |
| 527 } | |
| 528 | |
| 529 putc ('\n', print.outf); | |
| 530 print.src_line++; | |
| 531 } | |
| 532 | |
| 533 /* Callback called when -fworking-director and -E to emit working | |
| 534 directory in cpp output file. */ | |
| 535 | |
| 536 void | |
| 537 pp_dir_change (cpp_reader *pfile ATTRIBUTE_UNUSED, const char *dir) | |
| 538 { | |
| 539 size_t to_file_len = strlen (dir); | |
| 540 unsigned char *to_file_quoted = | |
| 541 (unsigned char *) alloca (to_file_len * 4 + 1); | |
| 542 unsigned char *p; | |
| 543 | |
| 544 /* cpp_quote_string does not nul-terminate, so we have to do it ourselves. */ | |
| 545 p = cpp_quote_string (to_file_quoted, (const unsigned char *) dir, to_file_len); | |
| 546 *p = '\0'; | |
| 547 fprintf (print.outf, "# 1 \"%s//\"\n", to_file_quoted); | |
| 548 } | |
| 549 | |
| 550 /* The file name, line number or system header flags have changed, as | |
| 551 described in MAP. */ | |
| 552 | |
| 553 void | |
| 554 pp_file_change (const struct line_map *map) | |
| 555 { | |
| 556 const char *flags = ""; | |
| 557 | |
| 558 if (flag_no_line_commands) | |
| 559 return; | |
| 560 | |
| 561 if (map != NULL) | |
| 562 { | |
|
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563 input_location = map->start_location; |
| 0 | 564 if (print.first_time) |
| 565 { | |
| 566 /* Avoid printing foo.i when the main file is foo.c. */ | |
| 567 if (!cpp_get_options (parse_in)->preprocessed) | |
| 568 print_line (map->start_location, flags); | |
| 569 print.first_time = 0; | |
| 570 } | |
| 571 else | |
| 572 { | |
| 573 /* Bring current file to correct line when entering a new file. */ | |
| 574 if (map->reason == LC_ENTER) | |
| 575 { | |
| 576 const struct line_map *from = INCLUDED_FROM (line_table, map); | |
| 577 maybe_print_line (LAST_SOURCE_LINE_LOCATION (from)); | |
| 578 } | |
| 579 if (map->reason == LC_ENTER) | |
| 580 flags = " 1"; | |
| 581 else if (map->reason == LC_LEAVE) | |
| 582 flags = " 2"; | |
| 583 print_line (map->start_location, flags); | |
| 584 } | |
| 585 } | |
| 586 } | |
| 587 | |
| 588 /* Copy a #pragma directive to the preprocessed output. */ | |
| 589 static void | |
| 590 cb_def_pragma (cpp_reader *pfile, source_location line) | |
| 591 { | |
| 592 maybe_print_line (line); | |
| 593 fputs ("#pragma ", print.outf); | |
| 594 cpp_output_line (pfile, print.outf); | |
| 595 print.src_line++; | |
| 596 } | |
| 597 | |
| 598 /* Dump out the hash table. */ | |
| 599 static int | |
| 600 dump_macro (cpp_reader *pfile, cpp_hashnode *node, void *v ATTRIBUTE_UNUSED) | |
| 601 { | |
| 602 if (node->type == NT_MACRO && !(node->flags & NODE_BUILTIN)) | |
| 603 { | |
| 604 fputs ("#define ", print.outf); | |
| 605 fputs ((const char *) cpp_macro_definition (pfile, node), | |
| 606 print.outf); | |
| 607 putc ('\n', print.outf); | |
| 608 print.src_line++; | |
| 609 } | |
| 610 | |
| 611 return 1; | |
| 612 } | |
| 613 | |
| 614 /* Load in the PCH file NAME, open on FD. It was originally searched for | |
| 615 by ORIG_NAME. Also, print out a #include command so that the PCH | |
| 616 file can be loaded when the preprocessed output is compiled. */ | |
| 617 | |
| 618 static void | |
| 619 cb_read_pch (cpp_reader *pfile, const char *name, | |
| 620 int fd, const char *orig_name ATTRIBUTE_UNUSED) | |
| 621 { | |
| 622 c_common_read_pch (pfile, name, fd, orig_name); | |
| 623 | |
| 624 fprintf (print.outf, "#pragma GCC pch_preprocess \"%s\"\n", name); | |
| 625 print.src_line++; | |
| 626 } |