| /* |
| * Keeps track of source files. |
| */ |
| #include "gprof.h" |
| #include "libiberty.h" |
| #include "search_list.h" |
| #include "source.h" |
| |
| #define EXT_ANNO "-ann" /* postfix of annotated files */ |
| |
| /* |
| * Default option values: |
| */ |
| bool create_annotation_files = FALSE; |
| |
| Search_List src_search_list = |
| {0, 0}; |
| Source_File *first_src_file = 0; |
| |
| |
| Source_File * |
| DEFUN (source_file_lookup_path, (path), const char *path) |
| { |
| Source_File *sf; |
| |
| for (sf = first_src_file; sf; sf = sf->next) |
| { |
| if (strcmp (path, sf->name) == 0) |
| { |
| break; |
| } |
| } |
| if (!sf) |
| { |
| /* create a new source file descriptor: */ |
| |
| sf = (Source_File *) xmalloc (sizeof (*sf)); |
| memset (sf, 0, sizeof (*sf)); |
| sf->name = xstrdup (path); |
| sf->next = first_src_file; |
| first_src_file = sf; |
| } |
| return sf; |
| } |
| |
| |
| Source_File * |
| DEFUN (source_file_lookup_name, (filename), const char *filename) |
| { |
| const char *fname; |
| Source_File *sf; |
| /* |
| * The user cannot know exactly how a filename will be stored in |
| * the debugging info (e.g., ../include/foo.h |
| * vs. /usr/include/foo.h). So we simply compare the filename |
| * component of a path only: |
| */ |
| for (sf = first_src_file; sf; sf = sf->next) |
| { |
| fname = strrchr (sf->name, '/'); |
| if (fname) |
| { |
| ++fname; |
| } |
| else |
| { |
| fname = sf->name; |
| } |
| if (strcmp (filename, fname) == 0) |
| { |
| break; |
| } |
| } |
| return sf; |
| } |
| |
| |
| FILE * |
| DEFUN (annotate_source, (sf, max_width, annote, arg), |
| Source_File * sf AND int max_width |
| AND void (*annote) PARAMS ((char *buf, int w, int l, void *arg)) |
| AND void *arg) |
| { |
| static bool first_file = TRUE; |
| int i, line_num, nread; |
| bool new_line; |
| char buf[8192]; |
| char fname[PATH_MAX]; |
| char *annotation, *name_only; |
| FILE *ifp, *ofp; |
| Search_List_Elem *sle = src_search_list.head; |
| |
| /* |
| * Open input file. If open fails, walk along search-list until |
| * open succeeds or reaching end of list: |
| */ |
| strcpy (fname, sf->name); |
| if (sf->name[0] == '/') |
| { |
| sle = 0; /* don't use search list for absolute paths */ |
| } |
| name_only = 0; |
| while (TRUE) |
| { |
| DBG (SRCDEBUG, printf ("[annotate_source]: looking for %s, trying %s\n", |
| sf->name, fname)); |
| ifp = fopen (fname, FOPEN_RB); |
| if (ifp) |
| { |
| break; |
| } |
| if (!sle && !name_only) |
| { |
| name_only = strrchr (sf->name, '/'); |
| if (name_only) |
| { |
| /* try search-list again, but this time with name only: */ |
| ++name_only; |
| sle = src_search_list.head; |
| } |
| } |
| if (sle) |
| { |
| strcpy (fname, sle->path); |
| strcat (fname, "/"); |
| if (name_only) |
| { |
| strcat (fname, name_only); |
| } |
| else |
| { |
| strcat (fname, sf->name); |
| } |
| sle = sle->next; |
| } |
| else |
| { |
| if (errno == ENOENT) |
| { |
| fprintf (stderr, _("%s: could not locate `%s'\n"), |
| whoami, sf->name); |
| } |
| else |
| { |
| perror (sf->name); |
| } |
| return 0; |
| } |
| } |
| |
| ofp = stdout; |
| if (create_annotation_files) |
| { |
| /* try to create annotated source file: */ |
| const char *filename; |
| |
| /* create annotation files in the current working directory: */ |
| filename = strrchr (sf->name, '/'); |
| if (filename) |
| { |
| ++filename; |
| } |
| else |
| { |
| filename = sf->name; |
| } |
| |
| strcpy (fname, filename); |
| strcat (fname, EXT_ANNO); |
| ofp = fopen (fname, "w"); |
| if (!ofp) |
| { |
| perror (fname); |
| return 0; |
| } |
| } |
| |
| /* |
| * Print file names if output goes to stdout and there are |
| * more than one source file: |
| */ |
| if (ofp == stdout) |
| { |
| if (first_file) |
| { |
| first_file = FALSE; |
| } |
| else |
| { |
| fputc ('\n', ofp); |
| } |
| if (first_output) |
| { |
| first_output = FALSE; |
| } |
| else |
| { |
| fprintf (ofp, "\f\n"); |
| } |
| fprintf (ofp, _("*** File %s:\n"), sf->name); |
| } |
| |
| annotation = xmalloc (max_width + 1); |
| line_num = 1; |
| new_line = TRUE; |
| while ((nread = fread (buf, 1, sizeof (buf), ifp)) > 0) |
| { |
| for (i = 0; i < nread; ++i) |
| { |
| if (new_line) |
| { |
| (*annote) (annotation, max_width, line_num, arg); |
| fputs (annotation, ofp); |
| ++line_num; |
| new_line = FALSE; |
| } |
| new_line = (buf[i] == '\n'); |
| fputc (buf[i], ofp); |
| } |
| } |
| free (annotation); |
| return ofp; |
| } |