Mercurial > hg > CbC > CbC_gcc
annotate gcc/c-ppoutput.c @ 63:b7f97abdc517 gcc-4.6-20100522
update gcc from gcc-4.5.0 to gcc-4.6
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 24 May 2010 12:47:05 +0900 |
| parents | 77e2b8dfacca |
| children |
| 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 "cpplib.h" | |
| 24 #include "../libcpp/internal.h" | |
| 25 #include "tree.h" | |
| 26 #include "c-common.h" /* For flags. */ | |
| 27 #include "c-pragma.h" /* For parse_in. */ | |
| 28 | |
| 29 /* Encapsulates state used to convert a stream of tokens into a text | |
| 30 file. */ | |
| 31 static struct | |
| 32 { | |
| 33 FILE *outf; /* Stream to write to. */ | |
| 34 const cpp_token *prev; /* Previous token. */ | |
| 35 const cpp_token *source; /* Source token for spacing. */ | |
| 36 int src_line; /* Line number currently being written. */ | |
| 37 unsigned char printed; /* Nonzero if something output at line. */ | |
| 38 bool first_time; /* pp_file_change hasn't been called yet. */ | |
| 39 } print; | |
| 40 | |
| 41 /* Defined and undefined macros being queued for output with -dU at | |
| 42 the next newline. */ | |
| 43 typedef struct macro_queue | |
| 44 { | |
| 45 struct macro_queue *next; /* Next macro in the list. */ | |
| 46 char *macro; /* The name of the macro if not | |
| 47 defined, the full definition if | |
| 48 defined. */ | |
| 49 } macro_queue; | |
| 50 static macro_queue *define_queue, *undef_queue; | |
| 51 | |
| 52 /* General output routines. */ | |
| 53 static void scan_translation_unit (cpp_reader *); | |
| 54 static void print_lines_directives_only (int, const void *, size_t); | |
| 55 static void scan_translation_unit_directives_only (cpp_reader *); | |
| 56 static void scan_translation_unit_trad (cpp_reader *); | |
| 57 static void account_for_newlines (const unsigned char *, size_t); | |
| 58 static int dump_macro (cpp_reader *, cpp_hashnode *, void *); | |
| 59 static void dump_queued_macros (cpp_reader *); | |
| 60 | |
| 61 static void print_line (source_location, const char *); | |
| 62 static void maybe_print_line (source_location); | |
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63 static void do_line_change (cpp_reader *, const cpp_token *, |
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64 source_location, int); |
| 0 | 65 |
| 66 /* Callback routines for the parser. Most of these are active only | |
| 67 in specific modes. */ | |
| 68 static void cb_line_change (cpp_reader *, const cpp_token *, int); | |
| 69 static void cb_define (cpp_reader *, source_location, cpp_hashnode *); | |
| 70 static void cb_undef (cpp_reader *, source_location, cpp_hashnode *); | |
| 71 static void cb_used_define (cpp_reader *, source_location, cpp_hashnode *); | |
| 72 static void cb_used_undef (cpp_reader *, source_location, cpp_hashnode *); | |
| 73 static void cb_include (cpp_reader *, source_location, const unsigned char *, | |
| 74 const char *, int, const cpp_token **); | |
| 75 static void cb_ident (cpp_reader *, source_location, const cpp_string *); | |
| 76 static void cb_def_pragma (cpp_reader *, source_location); | |
| 77 static void cb_read_pch (cpp_reader *pfile, const char *name, | |
| 78 int fd, const char *orig_name); | |
| 79 | |
| 80 /* Preprocess and output. */ | |
| 81 void | |
| 82 preprocess_file (cpp_reader *pfile) | |
| 83 { | |
| 84 /* A successful cpp_read_main_file guarantees that we can call | |
| 85 cpp_scan_nooutput or cpp_get_token next. */ | |
| 86 if (flag_no_output) | |
| 87 { | |
| 88 /* Scan -included buffers, then the main file. */ | |
| 89 while (pfile->buffer->prev) | |
| 90 cpp_scan_nooutput (pfile); | |
| 91 cpp_scan_nooutput (pfile); | |
| 92 } | |
| 93 else if (cpp_get_options (pfile)->traditional) | |
| 94 scan_translation_unit_trad (pfile); | |
| 95 else if (cpp_get_options (pfile)->directives_only | |
| 96 && !cpp_get_options (pfile)->preprocessed) | |
| 97 scan_translation_unit_directives_only (pfile); | |
| 98 else | |
| 99 scan_translation_unit (pfile); | |
| 100 | |
| 101 /* -dM command line option. Should this be elsewhere? */ | |
| 102 if (flag_dump_macros == 'M') | |
| 103 cpp_forall_identifiers (pfile, dump_macro, NULL); | |
| 104 | |
| 105 /* Flush any pending output. */ | |
| 106 if (print.printed) | |
| 107 putc ('\n', print.outf); | |
| 108 } | |
| 109 | |
| 110 /* Set up the callbacks as appropriate. */ | |
| 111 void | |
| 112 init_pp_output (FILE *out_stream) | |
| 113 { | |
| 114 cpp_callbacks *cb = cpp_get_callbacks (parse_in); | |
| 115 | |
| 116 if (!flag_no_output) | |
| 117 { | |
| 118 cb->line_change = cb_line_change; | |
| 119 /* Don't emit #pragma or #ident directives if we are processing | |
| 120 assembly language; the assembler may choke on them. */ | |
| 121 if (cpp_get_options (parse_in)->lang != CLK_ASM) | |
| 122 { | |
| 123 cb->ident = cb_ident; | |
| 124 cb->def_pragma = cb_def_pragma; | |
| 125 } | |
| 126 } | |
| 127 | |
| 128 if (flag_dump_includes) | |
| 129 cb->include = cb_include; | |
| 130 | |
| 131 if (flag_pch_preprocess) | |
| 132 { | |
| 133 cb->valid_pch = c_common_valid_pch; | |
| 134 cb->read_pch = cb_read_pch; | |
| 135 } | |
| 136 | |
| 137 if (flag_dump_macros == 'N' || flag_dump_macros == 'D') | |
| 138 { | |
| 139 cb->define = cb_define; | |
| 140 cb->undef = cb_undef; | |
| 141 } | |
| 142 | |
| 143 if (flag_dump_macros == 'U') | |
| 144 { | |
| 145 cb->before_define = dump_queued_macros; | |
| 146 cb->used_define = cb_used_define; | |
| 147 cb->used_undef = cb_used_undef; | |
| 148 } | |
| 149 | |
| 150 /* Initialize the print structure. */ | |
| 151 print.src_line = 1; | |
| 152 print.printed = 0; | |
| 153 print.prev = 0; | |
| 154 print.outf = out_stream; | |
| 155 print.first_time = 1; | |
| 156 } | |
| 157 | |
| 158 /* Writes out the preprocessed file, handling spacing and paste | |
| 159 avoidance issues. */ | |
| 160 static void | |
| 161 scan_translation_unit (cpp_reader *pfile) | |
| 162 { | |
| 163 bool avoid_paste = false; | |
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164 bool do_line_adjustments |
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165 = cpp_get_options (parse_in)->lang != CLK_ASM |
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166 && !flag_no_line_commands; |
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167 bool in_pragma = false; |
| 0 | 168 |
| 169 print.source = NULL; | |
| 170 for (;;) | |
| 171 { | |
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172 source_location loc; |
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173 const cpp_token *token = cpp_get_token_with_location (pfile, &loc); |
| 0 | 174 |
| 175 if (token->type == CPP_PADDING) | |
| 176 { | |
| 177 avoid_paste = true; | |
| 178 if (print.source == NULL | |
| 179 || (!(print.source->flags & PREV_WHITE) | |
| 180 && token->val.source == NULL)) | |
| 181 print.source = token->val.source; | |
| 182 continue; | |
| 183 } | |
| 184 | |
| 185 if (token->type == CPP_EOF) | |
| 186 break; | |
| 187 | |
| 188 /* Subtle logic to output a space if and only if necessary. */ | |
| 189 if (avoid_paste) | |
| 190 { | |
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191 const struct line_map *map |
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192 = linemap_lookup (line_table, loc); |
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193 int src_line = SOURCE_LINE (map, loc); |
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194 |
| 0 | 195 if (print.source == NULL) |
| 196 print.source = token; | |
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197 |
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198 if (src_line != print.src_line |
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199 && do_line_adjustments |
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200 && !in_pragma) |
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201 { |
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202 do_line_change (pfile, token, loc, false); |
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203 putc (' ', print.outf); |
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204 } |
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205 else if (print.source->flags & PREV_WHITE |
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206 || (print.prev |
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207 && cpp_avoid_paste (pfile, print.prev, token)) |
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208 || (print.prev == NULL && token->type == CPP_HASH)) |
| 0 | 209 putc (' ', print.outf); |
| 210 } | |
| 211 else if (token->flags & PREV_WHITE) | |
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212 { |
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213 const struct line_map *map |
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214 = linemap_lookup (line_table, loc); |
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215 int src_line = SOURCE_LINE (map, loc); |
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216 |
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217 if (src_line != print.src_line |
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218 && do_line_adjustments |
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219 && !in_pragma) |
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220 do_line_change (pfile, token, loc, false); |
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221 putc (' ', print.outf); |
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222 } |
| 0 | 223 |
| 224 avoid_paste = false; | |
| 225 print.source = NULL; | |
| 226 print.prev = token; | |
| 227 if (token->type == CPP_PRAGMA) | |
| 228 { | |
| 229 const char *space; | |
| 230 const char *name; | |
| 231 | |
| 232 maybe_print_line (token->src_loc); | |
| 233 fputs ("#pragma ", print.outf); | |
| 234 c_pp_lookup_pragma (token->val.pragma, &space, &name); | |
| 235 if (space) | |
| 236 fprintf (print.outf, "%s %s", space, name); | |
| 237 else | |
| 238 fprintf (print.outf, "%s", name); | |
| 239 print.printed = 1; | |
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240 in_pragma = true; |
| 0 | 241 } |
| 242 else if (token->type == CPP_PRAGMA_EOL) | |
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243 { |
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244 maybe_print_line (token->src_loc); |
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245 in_pragma = false; |
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246 } |
| 0 | 247 else |
| 248 cpp_output_token (token, print.outf); | |
| 249 | |
| 250 if (token->type == CPP_COMMENT) | |
| 251 account_for_newlines (token->val.str.text, token->val.str.len); | |
| 252 } | |
| 253 } | |
| 254 | |
| 255 static void | |
| 256 print_lines_directives_only (int lines, const void *buf, size_t size) | |
| 257 { | |
| 258 print.src_line += lines; | |
| 259 fwrite (buf, 1, size, print.outf); | |
| 260 } | |
| 261 | |
| 262 /* Writes out the preprocessed file, handling spacing and paste | |
| 263 avoidance issues. */ | |
| 264 static void | |
| 265 scan_translation_unit_directives_only (cpp_reader *pfile) | |
| 266 { | |
| 267 struct _cpp_dir_only_callbacks cb; | |
| 268 | |
| 269 cb.print_lines = print_lines_directives_only; | |
| 270 cb.maybe_print_line = maybe_print_line; | |
| 271 | |
| 272 _cpp_preprocess_dir_only (pfile, &cb); | |
| 273 } | |
| 274 | |
| 275 /* Adjust print.src_line for newlines embedded in output. */ | |
| 276 static void | |
| 277 account_for_newlines (const unsigned char *str, size_t len) | |
| 278 { | |
| 279 while (len--) | |
| 280 if (*str++ == '\n') | |
| 281 print.src_line++; | |
| 282 } | |
| 283 | |
| 284 /* Writes out a traditionally preprocessed file. */ | |
| 285 static void | |
| 286 scan_translation_unit_trad (cpp_reader *pfile) | |
| 287 { | |
| 288 while (_cpp_read_logical_line_trad (pfile)) | |
| 289 { | |
| 290 size_t len = pfile->out.cur - pfile->out.base; | |
| 291 maybe_print_line (pfile->out.first_line); | |
| 292 fwrite (pfile->out.base, 1, len, print.outf); | |
| 293 print.printed = 1; | |
| 294 if (!CPP_OPTION (pfile, discard_comments)) | |
| 295 account_for_newlines (pfile->out.base, len); | |
| 296 } | |
| 297 } | |
| 298 | |
| 299 /* If the token read on logical line LINE needs to be output on a | |
| 300 different line to the current one, output the required newlines or | |
| 301 a line marker, and return 1. Otherwise return 0. */ | |
| 302 static void | |
| 303 maybe_print_line (source_location src_loc) | |
| 304 { | |
| 305 const struct line_map *map = linemap_lookup (line_table, src_loc); | |
| 306 int src_line = SOURCE_LINE (map, src_loc); | |
| 307 /* End the previous line of text. */ | |
| 308 if (print.printed) | |
| 309 { | |
| 310 putc ('\n', print.outf); | |
| 311 print.src_line++; | |
| 312 print.printed = 0; | |
| 313 } | |
| 314 | |
| 315 if (src_line >= print.src_line && src_line < print.src_line + 8) | |
| 316 { | |
| 317 while (src_line > print.src_line) | |
| 318 { | |
| 319 putc ('\n', print.outf); | |
| 320 print.src_line++; | |
| 321 } | |
| 322 } | |
| 323 else | |
| 324 print_line (src_loc, ""); | |
| 325 } | |
| 326 | |
| 327 /* Output a line marker for logical line LINE. Special flags are "1" | |
| 328 or "2" indicating entering or leaving a file. */ | |
| 329 static void | |
| 330 print_line (source_location src_loc, const char *special_flags) | |
| 331 { | |
| 332 /* End any previous line of text. */ | |
| 333 if (print.printed) | |
| 334 putc ('\n', print.outf); | |
| 335 print.printed = 0; | |
| 336 | |
| 337 if (!flag_no_line_commands) | |
| 338 { | |
| 339 const struct line_map *map = linemap_lookup (line_table, src_loc); | |
| 340 | |
| 341 size_t to_file_len = strlen (map->to_file); | |
| 342 unsigned char *to_file_quoted = | |
| 343 (unsigned char *) alloca (to_file_len * 4 + 1); | |
| 344 unsigned char *p; | |
| 345 | |
| 346 print.src_line = SOURCE_LINE (map, src_loc); | |
| 347 | |
| 348 /* cpp_quote_string does not nul-terminate, so we have to do it | |
| 349 ourselves. */ | |
| 350 p = cpp_quote_string (to_file_quoted, | |
| 351 (const unsigned char *) map->to_file, to_file_len); | |
| 352 *p = '\0'; | |
| 353 fprintf (print.outf, "# %u \"%s\"%s", | |
| 354 print.src_line == 0 ? 1 : print.src_line, | |
| 355 to_file_quoted, special_flags); | |
| 356 | |
| 357 if (map->sysp == 2) | |
| 358 fputs (" 3 4", print.outf); | |
| 359 else if (map->sysp == 1) | |
| 360 fputs (" 3", print.outf); | |
| 361 | |
| 362 putc ('\n', print.outf); | |
| 363 } | |
| 364 } | |
| 365 | |
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366 /* Helper function for cb_line_change and scan_translation_unit. */ |
| 0 | 367 static void |
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368 do_line_change (cpp_reader *pfile, const cpp_token *token, |
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369 source_location src_loc, int parsing_args) |
| 0 | 370 { |
| 371 if (define_queue || undef_queue) | |
| 372 dump_queued_macros (pfile); | |
| 373 | |
| 374 if (token->type == CPP_EOF || parsing_args) | |
| 375 return; | |
| 376 | |
| 377 maybe_print_line (src_loc); | |
| 378 print.prev = 0; | |
| 379 print.source = 0; | |
| 380 | |
| 381 /* Supply enough spaces to put this token in its original column, | |
| 382 one space per column greater than 2, since scan_translation_unit | |
| 383 will provide a space if PREV_WHITE. Don't bother trying to | |
| 384 reconstruct tabs; we can't get it right in general, and nothing | |
| 385 ought to care. Some things do care; the fault lies with them. */ | |
| 386 if (!CPP_OPTION (pfile, traditional)) | |
| 387 { | |
| 388 const struct line_map *map = linemap_lookup (line_table, src_loc); | |
| 389 int spaces = SOURCE_COLUMN (map, src_loc) - 2; | |
| 390 print.printed = 1; | |
| 391 | |
| 392 while (-- spaces >= 0) | |
| 393 putc (' ', print.outf); | |
| 394 } | |
| 395 } | |
| 396 | |
|
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397 /* Called when a line of output is started. TOKEN is the first token |
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398 of the line, and at end of file will be CPP_EOF. */ |
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399 static void |
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400 cb_line_change (cpp_reader *pfile, const cpp_token *token, |
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401 int parsing_args) |
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402 { |
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403 do_line_change (pfile, token, token->src_loc, parsing_args); |
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404 } |
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405 |
| 0 | 406 static void |
| 407 cb_ident (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location line, | |
| 408 const cpp_string *str) | |
| 409 { | |
| 410 maybe_print_line (line); | |
| 411 fprintf (print.outf, "#ident %s\n", str->text); | |
| 412 print.src_line++; | |
| 413 } | |
| 414 | |
| 415 static void | |
| 416 cb_define (cpp_reader *pfile, source_location line, cpp_hashnode *node) | |
| 417 { | |
| 418 maybe_print_line (line); | |
| 419 fputs ("#define ", print.outf); | |
| 420 | |
| 421 /* 'D' is whole definition; 'N' is name only. */ | |
| 422 if (flag_dump_macros == 'D') | |
| 423 fputs ((const char *) cpp_macro_definition (pfile, node), | |
| 424 print.outf); | |
| 425 else | |
| 426 fputs ((const char *) NODE_NAME (node), print.outf); | |
| 427 | |
| 428 putc ('\n', print.outf); | |
| 429 if (linemap_lookup (line_table, line)->to_line != 0) | |
| 430 print.src_line++; | |
| 431 } | |
| 432 | |
| 433 static void | |
| 434 cb_undef (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location line, | |
| 435 cpp_hashnode *node) | |
| 436 { | |
| 437 maybe_print_line (line); | |
| 438 fprintf (print.outf, "#undef %s\n", NODE_NAME (node)); | |
| 439 print.src_line++; | |
| 440 } | |
| 441 | |
| 442 static void | |
| 443 cb_used_define (cpp_reader *pfile, source_location line ATTRIBUTE_UNUSED, | |
| 444 cpp_hashnode *node) | |
| 445 { | |
| 446 macro_queue *q; | |
| 447 if (node->flags & NODE_BUILTIN) | |
| 448 return; | |
| 449 q = XNEW (macro_queue); | |
| 450 q->macro = xstrdup ((const char *) cpp_macro_definition (pfile, node)); | |
| 451 q->next = define_queue; | |
| 452 define_queue = q; | |
| 453 } | |
| 454 | |
| 455 static void | |
| 456 cb_used_undef (cpp_reader *pfile ATTRIBUTE_UNUSED, | |
| 457 source_location line ATTRIBUTE_UNUSED, | |
| 458 cpp_hashnode *node) | |
| 459 { | |
| 460 macro_queue *q; | |
| 461 q = XNEW (macro_queue); | |
| 462 q->macro = xstrdup ((const char *) NODE_NAME (node)); | |
| 463 q->next = undef_queue; | |
| 464 undef_queue = q; | |
| 465 } | |
| 466 | |
| 467 static void | |
| 468 dump_queued_macros (cpp_reader *pfile ATTRIBUTE_UNUSED) | |
| 469 { | |
| 470 macro_queue *q; | |
| 471 | |
| 472 /* End the previous line of text. */ | |
| 473 if (print.printed) | |
| 474 { | |
| 475 putc ('\n', print.outf); | |
| 476 print.src_line++; | |
| 477 print.printed = 0; | |
| 478 } | |
| 479 | |
| 480 for (q = define_queue; q;) | |
| 481 { | |
| 482 macro_queue *oq; | |
| 483 fputs ("#define ", print.outf); | |
| 484 fputs (q->macro, print.outf); | |
| 485 putc ('\n', print.outf); | |
| 486 print.src_line++; | |
| 487 oq = q; | |
| 488 q = q->next; | |
| 489 free (oq->macro); | |
| 490 free (oq); | |
| 491 } | |
| 492 define_queue = NULL; | |
| 493 for (q = undef_queue; q;) | |
| 494 { | |
| 495 macro_queue *oq; | |
| 496 fprintf (print.outf, "#undef %s\n", q->macro); | |
| 497 print.src_line++; | |
| 498 oq = q; | |
| 499 q = q->next; | |
| 500 free (oq->macro); | |
| 501 free (oq); | |
| 502 } | |
| 503 undef_queue = NULL; | |
| 504 } | |
| 505 | |
| 506 static void | |
| 507 cb_include (cpp_reader *pfile ATTRIBUTE_UNUSED, source_location line, | |
| 508 const unsigned char *dir, const char *header, int angle_brackets, | |
| 509 const cpp_token **comments) | |
| 510 { | |
| 511 maybe_print_line (line); | |
| 512 if (angle_brackets) | |
| 513 fprintf (print.outf, "#%s <%s>", dir, header); | |
| 514 else | |
| 515 fprintf (print.outf, "#%s \"%s\"", dir, header); | |
| 516 | |
| 517 if (comments != NULL) | |
| 518 { | |
| 519 while (*comments != NULL) | |
| 520 { | |
| 521 if ((*comments)->flags & PREV_WHITE) | |
| 522 putc (' ', print.outf); | |
| 523 cpp_output_token (*comments, print.outf); | |
| 524 ++comments; | |
| 525 } | |
| 526 } | |
| 527 | |
| 528 putc ('\n', print.outf); | |
| 529 print.src_line++; | |
| 530 } | |
| 531 | |
| 532 /* Callback called when -fworking-director and -E to emit working | |
| 533 directory in cpp output file. */ | |
| 534 | |
| 535 void | |
| 536 pp_dir_change (cpp_reader *pfile ATTRIBUTE_UNUSED, const char *dir) | |
| 537 { | |
| 538 size_t to_file_len = strlen (dir); | |
| 539 unsigned char *to_file_quoted = | |
| 540 (unsigned char *) alloca (to_file_len * 4 + 1); | |
| 541 unsigned char *p; | |
| 542 | |
| 543 /* cpp_quote_string does not nul-terminate, so we have to do it ourselves. */ | |
| 544 p = cpp_quote_string (to_file_quoted, (const unsigned char *) dir, to_file_len); | |
| 545 *p = '\0'; | |
| 546 fprintf (print.outf, "# 1 \"%s//\"\n", to_file_quoted); | |
| 547 } | |
| 548 | |
| 549 /* The file name, line number or system header flags have changed, as | |
| 550 described in MAP. */ | |
| 551 | |
| 552 void | |
| 553 pp_file_change (const struct line_map *map) | |
| 554 { | |
| 555 const char *flags = ""; | |
| 556 | |
| 557 if (flag_no_line_commands) | |
| 558 return; | |
| 559 | |
| 560 if (map != NULL) | |
| 561 { | |
|
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562 input_location = map->start_location; |
| 0 | 563 if (print.first_time) |
| 564 { | |
| 565 /* Avoid printing foo.i when the main file is foo.c. */ | |
| 566 if (!cpp_get_options (parse_in)->preprocessed) | |
| 567 print_line (map->start_location, flags); | |
| 568 print.first_time = 0; | |
| 569 } | |
| 570 else | |
| 571 { | |
| 572 /* Bring current file to correct line when entering a new file. */ | |
| 573 if (map->reason == LC_ENTER) | |
| 574 { | |
| 575 const struct line_map *from = INCLUDED_FROM (line_table, map); | |
| 576 maybe_print_line (LAST_SOURCE_LINE_LOCATION (from)); | |
| 577 } | |
| 578 if (map->reason == LC_ENTER) | |
| 579 flags = " 1"; | |
| 580 else if (map->reason == LC_LEAVE) | |
| 581 flags = " 2"; | |
| 582 print_line (map->start_location, flags); | |
| 583 } | |
| 584 } | |
| 585 } | |
| 586 | |
| 587 /* Copy a #pragma directive to the preprocessed output. */ | |
| 588 static void | |
| 589 cb_def_pragma (cpp_reader *pfile, source_location line) | |
| 590 { | |
| 591 maybe_print_line (line); | |
| 592 fputs ("#pragma ", print.outf); | |
| 593 cpp_output_line (pfile, print.outf); | |
| 594 print.src_line++; | |
| 595 } | |
| 596 | |
| 597 /* Dump out the hash table. */ | |
| 598 static int | |
| 599 dump_macro (cpp_reader *pfile, cpp_hashnode *node, void *v ATTRIBUTE_UNUSED) | |
| 600 { | |
| 601 if (node->type == NT_MACRO && !(node->flags & NODE_BUILTIN)) | |
| 602 { | |
| 603 fputs ("#define ", print.outf); | |
| 604 fputs ((const char *) cpp_macro_definition (pfile, node), | |
| 605 print.outf); | |
| 606 putc ('\n', print.outf); | |
| 607 print.src_line++; | |
| 608 } | |
| 609 | |
| 610 return 1; | |
| 611 } | |
| 612 | |
| 613 /* Load in the PCH file NAME, open on FD. It was originally searched for | |
| 614 by ORIG_NAME. Also, print out a #include command so that the PCH | |
| 615 file can be loaded when the preprocessed output is compiled. */ | |
| 616 | |
| 617 static void | |
| 618 cb_read_pch (cpp_reader *pfile, const char *name, | |
| 619 int fd, const char *orig_name ATTRIBUTE_UNUSED) | |
| 620 { | |
| 621 c_common_read_pch (pfile, name, fd, orig_name); | |
| 622 | |
| 623 fprintf (print.outf, "#pragma GCC pch_preprocess \"%s\"\n", name); | |
| 624 print.src_line++; | |
| 625 } |