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概要[]
引数[]
- source_location src_loc
- const char *special_flags
実装[]
234 /* Output a line marker for logical line LINE. Special flags are "1"
235 or "2" indicating entering or leaving a file. */
236 static void
237 print_line (source_location src_loc, const char *special_flags)
238 {
239 /* End any previous line of text. */
240 if (print.printed)
241 putc ('\n', print.outf);
242 print.printed = 0;
243
244 if (!flag_no_line_commands)
245 {
246 const struct line_map *map = linemap_lookup (&line_table, src_loc);
247
248 size_t to_file_len = strlen (map->to_file);
249 unsigned char *to_file_quoted = alloca (to_file_len * 4 + 1);
250 unsigned char *p;
251
252 print.src_line = SOURCE_LINE (map, src_loc);
253
254 /* cpp_quote_string does not nul-terminate, so we have to do it
255 ourselves. */
256 p = cpp_quote_string (to_file_quoted,
257 (unsigned char *) map->to_file, to_file_len);
258 *p = '\0';
259 fprintf (print.outf, "# %u \"%s\"%s",
260 print.src_line == 0 ? 1 : print.src_line,
261 to_file_quoted, special_flags);
262
263 if (map->sysp == 2)
264 fputs (" 3 4", print.outf);
265 else if (map->sysp == 1)
266 fputs (" 3", print.outf);
267
268 putc ('\n', print.outf);
269 }
270 }