Exemplo n.º 1
0
/**
 * convert_put_using: convert @a path into relative or absolute and print.
 *
 *	@param[in]	cv	#CONVERT structure
 *      @param[in]      tag     tag name
 *      @param[in]      path    path name
 *      @param[in]      lineno  line number
 *      @param[in]      rest    line image
 *	@param[in]	fid	file id (only when @CODE{fid != NULL})
 */
void
convert_put_using(CONVERT *cv, const char *tag, const char *path, int lineno, const char *rest, const char *fid)
{
	switch (cv->format) {
	case FORMAT_PATH:
		fputs(convert_pathname(cv, path), cv->op);
		break;
	case FORMAT_CTAGS:
		fputs(tag, cv->op);
		fputc('\t', cv->op);
		fputs(convert_pathname(cv, path), cv->op);
		fputc('\t', cv->op);
		fprintf(cv->op, "%d", lineno);
		break;
	case FORMAT_CTAGS_XID:
		if (fid == NULL) {
			fid = gpath_path2fid(path, NULL);
			if (fid == NULL)
				die("convert_put_using: unknown file. '%s'", path);
		}
		fputs(fid, cv->op);
		fputc(' ', cv->op);
		/* PASS THROUGH */
	case FORMAT_CTAGS_X:
		fprintf(cv->op, "%-16s %4d %-16s %s",
			tag, lineno, convert_pathname(cv, path), rest);
		break;
	case FORMAT_CTAGS_MOD:
		fputs(convert_pathname(cv, path), cv->op);
		fputc('\t', cv->op);
		fprintf(cv->op, "%d", lineno);
		fputc('\t', cv->op);
		fputs(rest, cv->op);
		break;
	case FORMAT_GREP:
		fputs(convert_pathname(cv, path), cv->op);
		fputc(':', cv->op);
		fprintf(cv->op, "%d", lineno);
		fputc(':', cv->op);
		fputs(rest, cv->op);
		break;
	case FORMAT_CSCOPE:
		fputs(convert_pathname(cv, path), cv->op);
		fputc(' ', cv->op);
		fputs(tag, cv->op);
		fputc(' ', cv->op);
		fprintf(cv->op, "%d", lineno);
		fputc(' ', cv->op);
		for (; *rest && isspace(*rest); rest++)
			;
		if (*rest)
			fputs(rest, cv->op);
		else
			fputs("<unknown>", cv->op);
		break;
	default:
		die("unknown format type.");
	}
	(void)fputc(newline, cv->op);
}
Exemplo n.º 2
0
/*
 * convertpath: convert source file into hypertext path.
 *
 *	i)	dbpath	dbpath
 *	i)	htmldir	HTML directory made by htags(1)
 *	i)	path	source file path
 *	o)	sb	string buffer
 *	r)		0: normal, -1: error
 */
int
convertpath(const char *dbpath, const char *htmldir, const char *path, STRBUF *sb)
{
	static const char *suffix[] = {".html", ".htm"};
	static const char *gz = ".gz";
	int i, lim = sizeof(suffix)/sizeof(char *);
	const char *p;

	strbuf_reset(sb);
	strbuf_puts(sb, htmldir);
	strbuf_puts(sb, "/S/");
	/*
	 * new style.
	 */
	if (gpath_open(dbpath, 0) == 0) {
		int tag1 = strbuf_getlen(sb);

		p = gpath_path2fid(path, NULL);
		if (p == NULL) {
			gpath_close();
			return -1;
		}
		gpath_close();
		strbuf_puts(sb, p);
		for (i = 0; i < lim; i++) {
			int tag2 = strbuf_getlen(sb);
			strbuf_puts(sb, suffix[i]);
			if (test("f", strbuf_value(sb)))
				return 0;
			strbuf_puts(sb, gz);
			if (test("f", strbuf_value(sb)))
				return 0;
			strbuf_setlen(sb, tag2);
		}
		strbuf_setlen(sb, tag1);
	}
	/*
	 * old style.
	 */
	for (p = path + 1; *p; p++)
		strbuf_putc(sb, (*p == '/') ? ' ' : *p);
	for (i = 0; i < lim; i++) {
		int tag = strbuf_getlen(sb);
		strbuf_puts(sb, suffix[i]);
		if (test("f", strbuf_value(sb)))
			return 0;
		strbuf_puts(sb, gz);
		if (test("f", strbuf_value(sb)))
			return 0;
		strbuf_setlen(sb, tag);
	}
	return -1;
}
Exemplo n.º 3
0
/**
 * flush_pool: flush the pool and write is as compact format.
 *
 *	@param[in]	gtop	descripter of #GTOP
 *	@param[in]	s_fid
 */
static void
flush_pool(GTOP *gtop, const char *s_fid)
{
	struct sh_entry *entry;
	int header_offset;
	int i, last;

	if (s_fid == NULL && (s_fid = gpath_path2fid(gtop->cur_path, NULL)) == NULL)
		die("GPATH is corrupted.('%s' not found)", gtop->cur_path);
	/*
	 * Write records as compact format and free line number table
	 * for each entry in the pool.
	 */
	for (entry = strhash_first(gtop->path_hash); entry; entry = strhash_next(gtop->path_hash)) {
		VARRAY *vb = (VARRAY *)entry->value;
		int *lno_array = varray_assign(vb, 0, 0);
		const char *key = entry->name;

		/*
		 * extract method when class method definition.
		 *
		 * Ex: Class::method(...)
		 *
		 * key	= 'method'
		 * data = 'Class::method  103 ./class.cpp ...'
		 */
		if (gtop->flags & GTAGS_EXTRACTMETHOD) {
			if ((key = locatestring(entry->name, ".", MATCH_LAST)) != NULL)
				key++;
			else if ((key = locatestring(entry->name, "::", MATCH_LAST)) != NULL)
				key += 2;
			else
				key = entry->name;
		}
		/* Sort line number table */
		qsort(lno_array, vb->length, sizeof(int), compare_lineno); 

		strbuf_reset(gtop->sb);
		strbuf_puts(gtop->sb, s_fid);
		strbuf_putc(gtop->sb, ' ');
		if (gtop->format & GTAGS_COMPNAME) {
			strbuf_puts(gtop->sb, compress(entry->name, key));
		} else {
			strbuf_puts(gtop->sb, entry->name);
		}
		strbuf_putc(gtop->sb, ' ');
		header_offset = strbuf_getlen(gtop->sb);
		/*
		 * If GTAGS_COMPLINE flag is set, each line number is expressed as the
		 * difference from the previous line number except for the head.
		 * GTAGS_COMPLINE is set by default in format version 5.
		 */
		if (gtop->format & GTAGS_COMPLINE) {
			int cont = 0;

			last = 0;			/* line 0 doesn't exist */
			for (i = 0; i < vb->length; i++) {
				int n = lno_array[i];

				if (n == last)
					continue;
				if (last > 0 && n == last + 1) {
					if (!cont) {
						/*
						 * Don't use range expression at the head.
						 */
						if (strbuf_getlen(gtop->sb) == header_offset)
							strbuf_putn(gtop->sb, n);
						else
							cont = last;
					}
				} else {
					/*
					 * Range expression. ex: 10-2 means 10 11 12
					 */
					if (cont) {
						strbuf_putc(gtop->sb, '-');
						strbuf_putn(gtop->sb, last - cont);
						cont = 0;
					}
					if (strbuf_getlen(gtop->sb) > header_offset) {
						strbuf_putc(gtop->sb, ',');
						strbuf_putn(gtop->sb, n - last);
					} else {
						strbuf_putn(gtop->sb, n);
					}
					if (strbuf_getlen(gtop->sb) > DBOP_PAGESIZE / 4) {
						dbop_put(gtop->dbop, key, strbuf_value(gtop->sb));
						strbuf_setlen(gtop->sb, header_offset);
					}
				}
				last = n;
			}
			if (cont) {
				strbuf_putc(gtop->sb, '-');
				strbuf_putn(gtop->sb, last - cont);
			}
		} else {
			/*
			 * This code is to support older format (version 4).
			 */
			last = 0;			/* line 0 doesn't exist */
			for (i = 0; i < vb->length; i++) {
				int n = lno_array[i];

				if (n == last)
					continue;
				if (strbuf_getlen(gtop->sb) > header_offset)
					strbuf_putc(gtop->sb, ',');
				strbuf_putn(gtop->sb, n);
				if (strbuf_getlen(gtop->sb) > DBOP_PAGESIZE / 4) {
					dbop_put(gtop->dbop, key, strbuf_value(gtop->sb));
					strbuf_setlen(gtop->sb, header_offset);
				}
				last = n;
			}
		}
		if (strbuf_getlen(gtop->sb) > header_offset) {
			dbop_put(gtop->dbop, key, strbuf_value(gtop->sb));
		}
		/* Free line number table */
		varray_close(vb);
	}
}
Exemplo n.º 4
0
/*
 * gpath_path2nfid: convert path into id
 *
 *	i)	path	path name
 *	o)	type	path type
 *			GPATH_SOURCE: source file
 *			GPATH_OTHER: other file
 *	r)		file id (integer)
 */
int
gpath_path2nfid(const char *path, int *type)
{
	const char *sfid = gpath_path2fid(path, type);
	return sfid == NULL ? 0 : atoi(sfid);
}
Exemplo n.º 5
0
int
decide_tag_by_context(const char *tag, const char *file, int lineno)
{
	STRBUF *sb = NULL;
	char path[MAXPATHLEN], s_fid[MAXFIDLEN];
	const char *tagline, *p;
	DBOP *dbop;
	int db = GSYMS;
	int iscompline = 0;

	if (normalize(file, get_root_with_slash(), cwd, path, sizeof(path)) == NULL)
		die("'%s' is out of source tree.", file);
	/*
	 * get file id
	 */
	if (gpath_open(dbpath, 0) < 0)
		die("GPATH not found.");
	if ((p = gpath_path2fid(path, NULL)) == NULL)
		die("path name in the context is not found.");
	strlimcpy(s_fid, p, sizeof(s_fid));
	gpath_close();
	/*
	 * read btree records directly to avoid the overhead.
	 */
	dbop = dbop_open(makepath(dbpath, dbname(GTAGS), NULL), 0, 0, 0);
	if (dbop == NULL)
		die("cannot open GTAGS.");
	if (dbop_getoption(dbop, COMPLINEKEY))
		iscompline = 1;
	tagline = dbop_first(dbop, tag, NULL, 0);
	if (tagline) {
		db = GTAGS;
		for (; tagline; tagline = dbop_next(dbop)) {
			/*
			 * examine whether the definition record include the context.
			 */
			p = locatestring(tagline, s_fid, MATCH_AT_FIRST);
			if (p != NULL && *p == ' ') {
				for (p++; *p && *p != ' '; p++)
					;
				if (*p++ != ' ' || !isdigit(*p))
					die("Impossible! decide_tag_by_context(1)");
				/*
				 * Standard format	n <blank> <image>$
				 * Compact format	d,d,d,d$
				 */
				if (!iscompline) {			/* Standard format */
					if (atoi(p) == lineno) {
						db = GRTAGS;
						goto finish;
					}
				} else {				/* Compact format */
					int n, cur, last = 0;

					do {
						if (!isdigit(*p))
							die("Impossible! decide_tag_by_context(2)");
						NEXT_NUMBER(p);
						cur = last + n;
						if (cur == lineno) {
							db = GRTAGS;
							goto finish;
						}
						last = cur;
						if (*p == '-') {
							if (!isdigit(*++p))
								die("Impossible! decide_tag_by_context(3)");
							NEXT_NUMBER(p);
							cur = last + n;
							if (lineno >= last && lineno <= cur) {
								db = GRTAGS;
								goto finish;
							}
							last = cur;
						}
						if (*p) {
							if (*p == ',')
								p++;
							else
								die("Impossible! decide_tag_by_context(4)");
						}
					} while (*p);
				}
			}
		}
	}
finish:
	dbop_close(dbop);
	if (db == GSYMS && getenv("GTAGSLIBPATH")) {
		char libdbpath[MAXPATHLEN];
		char *libdir = NULL, *nextp = NULL;

		sb = strbuf_open(0);
		strbuf_puts(sb, getenv("GTAGSLIBPATH"));
		for (libdir = strbuf_value(sb); libdir; libdir = nextp) {
			 if ((nextp = locatestring(libdir, PATHSEP, MATCH_FIRST)) != NULL)
                                *nextp++ = 0;
			if (!gtagsexist(libdir, libdbpath, sizeof(libdbpath), 0))
				continue;
			if (!strcmp(dbpath, libdbpath))
				continue;
			dbop = dbop_open(makepath(libdbpath, dbname(GTAGS), NULL), 0, 0, 0);
			if (dbop == NULL)
				continue;
			tagline = dbop_first(dbop, tag, NULL, 0);
			dbop_close(dbop);
			if (tagline != NULL) {
				db = GTAGS;
				break;
			}
		}
		strbuf_close(sb);
	}
	return db;
}
Exemplo n.º 6
0
void
parsefile(char *const *argv, const char *cwd, const char *root, const char *dbpath, int db)
{
	int count = 0;
	int file_count = 0;
	STRBUF *sb = strbuf_open(0);
	char *langmap;
	const char *plugin_parser, *av;
	char path[MAXPATHLEN];
	struct parsefile_data data;

	if (db == GRTAGS + GSYMS)
		data.target = TARGET_REF|TARGET_SYM;
	else
		data.target = 1 << db;
	data.extractmethod = getconfb("extractmethod");
	if (getconfs("langmap", sb))
		langmap = check_strdup(strbuf_value(sb));
	else
		langmap = NULL;
	strbuf_reset(sb);
	if (getconfs("gtags_parser", sb))
		plugin_parser = strbuf_value(sb);
	else
		plugin_parser = NULL;
	data.cv = convert_open(type, format, root, cwd, dbpath, stdout);
	if (gpath_open(dbpath, 0) < 0)
		die("GPATH not found.");
	if (data.target == TARGET_REF || data.target == TARGET_SYM) {
		data.dbop = dbop_open(makepath(dbpath, dbname(GTAGS), NULL), 0, 0, 0);
		if (data.dbop == NULL)
			die("%s not found.", dbname(GTAGS));
	} else {
		data.dbop = NULL;
	}
	data.fid = NULL;
	parser_init(langmap, plugin_parser);
	if (langmap != NULL)
		free(langmap);

	if (*argv && file_list)
		args_open_both(argv, file_list);
	else if (*argv)
		args_open(argv);
	else if (file_list)
		args_open_filelist(file_list);
	else
		args_open_nop();
	while ((av = args_read()) != NULL) {
		/*
		 * convert the path into relative to the root directory of source tree.
		 */
		if (normalize(av, get_root_with_slash(), cwd, path, sizeof(path)) == NULL)
			if (!qflag)
				fprintf(stderr, "'%s' is out of source tree.\n", path + 2);
		/*
		 * Memorize the file id of the path. This is used in put_syms().
		 */
		{
			static char s_fid[MAXFIDLEN];
			const char *p = gpath_path2fid(path, NULL);

			if (!p) {
				if (!qflag)
					fprintf(stderr, "'%s' not found in GPATH.\n", path + 2);
				continue;
			}
			strlimcpy(s_fid, p, sizeof(s_fid));
			data.fid = s_fid;
		}
		if (!test("f", makepath(root, path, NULL))) {
			if (test("d", NULL)) {
				if (!qflag)
					fprintf(stderr, "'%s' is a directory.\n", av);
			} else {
				if (!qflag)
					fprintf(stderr, "'%s' not found.\n", av);
			}
			continue;
		}
		if (lflag && !locatestring(path, localprefix, MATCH_AT_FIRST))
			continue;
		data.count = 0;
		parse_file(path, 0, put_syms, &data);
		count += data.count;
		file_count++;
	}
	args_close();
	parser_exit();
	/*
	 * Settlement
	 */
	if (data.dbop != NULL)
		dbop_close(data.dbop);
	gpath_close();
	convert_close(data.cv);
	strbuf_close(sb);
	if (vflag) {
		print_count(count);
		fprintf(stderr, " (no index used).\n");
	}
}
Exemplo n.º 7
0
/*
 * createtags: create tags file
 *
 *	i)	dbpath	dbpath directory
 *	i)	root	root directory of source tree
 */
void
createtags(const char *dbpath, const char *root)
{
	STATISTICS_TIME *tim;
	STRBUF *sb = strbuf_open(0);
	struct put_func_data data;
	int openflags, flags, seqno;
	const char *path;

	tim = statistics_time_start("Time of creating %s and %s.", dbname(GTAGS), dbname(GRTAGS));
	if (vflag)
		fprintf(stderr, "[%s] Creating '%s' and '%s'.\n", now(), dbname(GTAGS), dbname(GRTAGS));
	openflags = cflag ? GTAGS_COMPACT : 0;
	data.gtop[GTAGS] = gtags_open(dbpath, root, GTAGS, GTAGS_CREATE, openflags);
	data.gtop[GTAGS]->flags = 0;
	if (extractmethod)
		data.gtop[GTAGS]->flags |= GTAGS_EXTRACTMETHOD;
	data.gtop[GRTAGS] = gtags_open(dbpath, root, GRTAGS, GTAGS_CREATE, openflags);
	data.gtop[GRTAGS]->flags = data.gtop[GTAGS]->flags;
	flags = 0;
	if (debug)
		flags |= PARSER_DEBUG;
	if (wflag)
		flags |= PARSER_WARNING;
	/*
	 * Add tags to GTAGS and GRTAGS.
	 */
	if (file_list)
		find_open_filelist(file_list, root);
	else
		find_open(NULL);
	seqno = 0;
	while ((path = find_read()) != NULL) {
		if (*path == ' ') {
			path++;
			if (!test("b", path))
				gpath_put(path, GPATH_OTHER);
			continue;
		}
		gpath_put(path, GPATH_SOURCE);
		data.fid = gpath_path2fid(path, NULL);
		if (data.fid == NULL)
			die("GPATH is corrupted.('%s' not found)", path);
		seqno++;
		if (vflag)
			fprintf(stderr, " [%d] extracting tags of %s\n", seqno, path + 2);
		if (debug)
			fprintf(stderr, "[%s]\n", path + 2);
		parse_file(path, flags, put_syms, &data);
		gtags_flush(data.gtop[GTAGS], data.fid);
		gtags_flush(data.gtop[GRTAGS], data.fid);
	}
	total = seqno;
	parser_exit();
	find_close();
	statistics_time_end(tim);
	tim = statistics_time_start("Time of flushing B-tree cache");
	gtags_close(data.gtop[GTAGS]);
	gtags_close(data.gtop[GRTAGS]);
	statistics_time_end(tim);
	strbuf_reset(sb);
	if (getconfs("GTAGS_extra", sb)) {
		tim = statistics_time_start("Time of executing GTAGS_extra command");
		if (system(strbuf_value(sb)))
			fprintf(stderr, "GTAGS_extra command failed: %s\n", strbuf_value(sb));
		statistics_time_end(tim);
	}
	strbuf_reset(sb);
	if (getconfs("GRTAGS_extra", sb)) {
		tim = statistics_time_start("Time of executing GRTAGS_extra command");
		if (system(strbuf_value(sb)))
			fprintf(stderr, "GRTAGS_extra command failed: %s\n", strbuf_value(sb));
		statistics_time_end(tim);
	}
	strbuf_close(sb);
}
Exemplo n.º 8
0
/*
 * updatetags: update tag file.
 *
 *	i)	dbpath		directory in which tag file exist
 *	i)	root		root directory of source tree
 *	i)	deleteset	bit array of fid of deleted or modified files 
 *	i)	addlist		\0 separated list of added or modified files
 */
void
updatetags(const char *dbpath, const char *root, IDSET *deleteset, STRBUF *addlist)
{
	struct put_func_data data;
	int seqno, flags;
	const char *path, *start, *end;

	if (vflag)
		fprintf(stderr, "[%s] Updating '%s' and '%s'.\n", now(), dbname(GTAGS), dbname(GRTAGS));
	/*
	 * Open tag files.
	 */
	data.gtop[GTAGS] = gtags_open(dbpath, root, GTAGS, GTAGS_MODIFY, 0);
	if (test("f", makepath(dbpath, dbname(GRTAGS), NULL))) {
		data.gtop[GRTAGS] = gtags_open(dbpath, root, GRTAGS, GTAGS_MODIFY, 0);
	} else {
		/*
		 * If you set NULL to data.gtop[GRTAGS], parse_file() doesn't write to
		 * GRTAGS. See put_syms().
		 */
		data.gtop[GRTAGS] = NULL;
	}
	/*
	 * Delete tags from GTAGS.
	 */
	if (!idset_empty(deleteset)) {
		if (vflag) {
			char fid[MAXFIDLEN];
			int total = idset_count(deleteset);
			unsigned int id;

			seqno = 1;
			for (id = idset_first(deleteset); id != END_OF_ID; id = idset_next(deleteset)) {
				snprintf(fid, sizeof(fid), "%d", id);
				path = gpath_fid2path(fid, NULL);
				if (path == NULL)
					die("GPATH is corrupted.");
				fprintf(stderr, " [%d/%d] deleting tags of %s\n", seqno++, total, path + 2);
			}
		}
		gtags_delete(data.gtop[GTAGS], deleteset);
		if (data.gtop[GRTAGS] != NULL)
			gtags_delete(data.gtop[GRTAGS], deleteset);
	}
	/*
	 * Set flags.
	 */
	data.gtop[GTAGS]->flags = 0;
	if (extractmethod)
		data.gtop[GTAGS]->flags |= GTAGS_EXTRACTMETHOD;
	data.gtop[GRTAGS]->flags = data.gtop[GTAGS]->flags;
	flags = 0;
	if (debug)
		flags |= PARSER_DEBUG;
	if (wflag)
		flags |= PARSER_WARNING;
	/*
	 * Add tags to GTAGS and GRTAGS.
	 */
	start = strbuf_value(addlist);
	end = start + strbuf_getlen(addlist);
	seqno = 0;
	for (path = start; path < end; path += strlen(path) + 1) {
		gpath_put(path, GPATH_SOURCE);
		data.fid = gpath_path2fid(path, NULL);
		if (data.fid == NULL)
			die("GPATH is corrupted.('%s' not found)", path);
		if (vflag)
			fprintf(stderr, " [%d/%d] extracting tags of %s\n", ++seqno, total, path + 2);
		if (debug)
			fprintf(stderr, "[%s]\n", path + 2);
		parse_file(path, flags, put_syms, &data);
		gtags_flush(data.gtop[GTAGS], data.fid);
		if (data.gtop[GRTAGS] != NULL)
			gtags_flush(data.gtop[GRTAGS], data.fid);
	}
	parser_exit();
	gtags_close(data.gtop[GTAGS]);
	if (data.gtop[GRTAGS] != NULL)
		gtags_close(data.gtop[GRTAGS]);
}
Exemplo n.º 9
0
/*
 * incremental: incremental update
 *
 *	i)	dbpath	dbpath directory
 *	i)	root	root directory of source tree
 *	r)		0: not updated, 1: updated
 */
int
incremental(const char *dbpath, const char *root)
{
	STATISTICS_TIME *tim;
	struct stat statp;
	STRBUF *addlist = strbuf_open(0);
	STRBUF *deletelist = strbuf_open(0);
	STRBUF *addlist_other = strbuf_open(0);
	IDSET *deleteset, *findset;
	int updated = 0;
	const char *path;
	unsigned int id, limit;

	tim = statistics_time_start("Time of inspecting %s and %s.", dbname(GTAGS), dbname(GRTAGS));
	if (vflag) {
		fprintf(stderr, " Tag found in '%s'.\n", dbpath);
		fprintf(stderr, " Incremental updating.\n");
	}
	/*
	 * get modified time of GTAGS.
	 */
	path = makepath(dbpath, dbname(GTAGS), NULL);

	if (gpath_open(dbpath, 0) < 0)
		die("GPATH not found.");
	/*
	 * deleteset:
	 *	The list of the path name which should be deleted from GPATH.
	 * findset:
	 *	The list of the path name which exists in the current project.
	 *	A project is limited by the --file option.
	 */
	deleteset = idset_open(gpath_nextkey());
	findset = idset_open(gpath_nextkey());
	total = 0;
	/*
	 * Make add list and delete list for update.
	 */
	if (single_update) {
		int type;
		const char *fid = gpath_path2fid(single_update, &type);
		/*
		 * The --single-update=file supports only updating.
		 * If it is new file, this option is ignored, and the processing is
		 * automatically switched to the normal procedure.
		 */
		if (fid == NULL) {
			if (vflag)
				fprintf(stderr, " --single-update option ignored, because '%s' is new file.\n", single_update);
			goto normal_update;
		}
		/*
		 * If type != GPATH_SOURCE then we have nothing to do, and you will see
		 * a message 'Global databases are up to date.'.
		 */
		if (type == GPATH_SOURCE) {
			strbuf_puts0(addlist, single_update);
			idset_add(deleteset, atoi(fid));
			total++;
		}
	} else {
normal_update:
		if (file_list)
			find_open_filelist(file_list, root);
		else
			find_open(NULL);
		while ((path = find_read()) != NULL) {
			const char *fid;
			int n_fid = 0;
			int other = 0;

			/* a blank at the head of path means 'NOT SOURCE'. */
			if (*path == ' ') {
				if (test("b", ++path))
					continue;
				other = 1;
			}
			if (stat(path, &statp) < 0)
				die("stat failed '%s'.", path);
			fid = gpath_path2fid(path, NULL);
			if (fid) { 
				n_fid = atoi(fid);
				idset_add(findset, n_fid);
			}
			if (other) {
				if (fid == NULL)
					strbuf_puts0(addlist_other, path);
			} else {
				if (fid == NULL) {
					strbuf_puts0(addlist, path);
					total++;
				} else if (gpath_mtime(NULL, fid) < statp.st_mtime) {
					if (uflag) {
						printf("%s\n", path);
					} else {
						strbuf_puts0(addlist, path);
						total++;
						idset_add(deleteset, n_fid);
					}
				}
			}
		}
		find_close();
		/*
		 * make delete list.
		 */
		if (remove_lost) {
			limit = gpath_nextkey();
		} else {
			limit = 0;
		}
		for (id = 1; id < limit; id++) {
			char fid[MAXFIDLEN];
			int type;

			snprintf(fid, sizeof(fid), "%d", id);
			/*
			 * This is a hole of GPATH. The hole increases if the deletion
			 * and the addition are repeated.
			 */
			if ((path = gpath_fid2path(fid, &type)) == NULL)
				continue;
			/*
			 * The file which does not exist in the findset is treated
			 * assuming that it does not exist in the file system.
			 */
			if (type == GPATH_OTHER) {
				if (!idset_contains(findset, id) || !test("f", path) || test("b", path))
					strbuf_puts0(deletelist, path);
			} else {
				if (!idset_contains(findset, id) || !test("f", path)) {
					strbuf_puts0(deletelist, path);
					idset_add(deleteset, id);
				}
			}
		}
	}
	gpath_close();
	statistics_time_end(tim);
	/*
	 * execute updating.
	 */
	if ((!idset_empty(deleteset) || strbuf_getlen(addlist) > 0) ||
	    (strbuf_getlen(deletelist) + strbuf_getlen(addlist_other) > 0))
	{
		int db;

		updated = 1;
		tim = statistics_time_start("Time of updating %s and %s.", dbname(GTAGS), dbname(GRTAGS));
		if (!idset_empty(deleteset) || strbuf_getlen(addlist) > 0)
			updatetags(dbpath, root, deleteset, addlist);
		if (strbuf_getlen(deletelist) + strbuf_getlen(addlist_other) > 0) {
			const char *start, *end, *p;

			if (vflag)
				fprintf(stderr, "[%s] Updating '%s'.\n", now(), dbname(GPATH));
			gpath_open(dbpath, 2);
			if (strbuf_getlen(deletelist) > 0) {
				start = strbuf_value(deletelist);
				end = start + strbuf_getlen(deletelist);

				for (p = start; p < end; p += strlen(p) + 1)
					gpath_delete(p);
			}
			if (strbuf_getlen(addlist_other) > 0) {
				start = strbuf_value(addlist_other);
				end = start + strbuf_getlen(addlist_other);

				for (p = start; p < end; p += strlen(p) + 1)
					gpath_put(p, GPATH_OTHER);
			}
			gpath_close();
		}
		/*
		 * Update modification time of tag files
		 * because they may have no definitions.
		 */
		for (db = GTAGS; db < GTAGLIM; db++)
			utime(makepath(dbpath, dbname(db), NULL), NULL);
		statistics_time_end(tim);
	}
	if (vflag) {
		if (updated)
			fprintf(stderr, " Global databases have been modified.\n");
		else
			fprintf(stderr, " Global databases are up to date.\n");
		fprintf(stderr, "[%s] Done.\n", now());
	}
	strbuf_close(addlist);
	strbuf_close(deletelist);
	strbuf_close(addlist_other);
	idset_close(deleteset);
	idset_close(findset);

	return updated;
}
Exemplo n.º 10
0
/*
 * convert_put: convert path into relative or absolute and print.
 *
 *	i)	cv	CONVERT structure
 *	i)	ctags_x	tag record (ctags-x format)
 *
 * Note: This function is only called by gtags with the --path option.
 */
void
convert_put(CONVERT *cv, const char *ctags_x)
{
	char *tagnextp = NULL;
	int tagnextc = 0;
	char *tag = NULL, *lineno = NULL, *path, *rest = NULL;
	const char *fid = NULL;

	if (cv->format == FORMAT_PATH)
		die("convert_put: internal error.");	/* Use convert_put_path() */
	/*
	 * parse tag line.
	 * Don't use split() function not to destroy line image.
	 */
	{
		char *p = (char *)ctags_x;
		/*
		 * tag name
		 */
		tag = p;
		for (; *p && !isspace(*p); p++)
			;
		if (*p == '\0')
			die("illegal ctags-x format (line number not found).");
		tagnextp = p;
		tagnextc = *p;
		*p++ = '\0';
		/* skip blanks */
		for (; *p && isspace(*p); p++)
			;
		if (*p == '\0')
			die("illegal ctags-x format (line number not found).");
		/*
		 * line number
		 */
		lineno = p;
		for (; *p && !isspace(*p); p++)
			;
		if (*p == '\0')
			die("illegal ctags-x format (path name not found).");
		*p++ = '\0';
		/* skip blanks */
		for (; *p && isspace(*p); p++)
			;
		if (*p == '\0')
			die("illegal ctags-x format (path name not found).");
		/*
		 * path name
		 */
		path = p;
		for (; *p && !isspace(*p); p++)
			;
		if (*p == '\0')
			die("illegal ctags-x format (line image not found).");
		*p++ = '\0';
		rest = p;
	}
	/*
	 * The path name has already been encoded.
	 */
	path = decode_path((unsigned char *)path);
	switch (cv->format) {
	case FORMAT_CTAGS:
		fputs(tag, cv->op);
		fputc('\t', cv->op);
		fputs(convert_pathname(cv, path), cv->op);
		fputc('\t', cv->op);
		fputs(lineno, cv->op);
		break;
	case FORMAT_CTAGS_XID:
		fid = gpath_path2fid(path, NULL);
		if (fid == NULL)
			die("convert_put: unknown file. '%s'", path);
		fputs(fid, cv->op);
		fputc(' ', cv->op);
		/* PASS THROUGH */
	case FORMAT_CTAGS_X:
		/*
		 * print until path name.
		 */
		*tagnextp = tagnextc;
		fputs(ctags_x, cv->op);
		fputc(' ', cv->op);
		/*
		 * print path name and the rest.
		 */
		fputs(convert_pathname(cv, path), cv->op);
		fputc(' ', cv->op);
		fputs(rest, cv->op);
		break;
	case FORMAT_GREP:
		fputs(convert_pathname(cv, path), cv->op);
		fputc(':', cv->op);
		fputs(lineno, cv->op);
		fputc(':', cv->op);
		fputs(rest, cv->op);
		break;
	case FORMAT_CSCOPE:
		fputs(convert_pathname(cv, path), cv->op);
		fputc(' ', cv->op);
		fputs(tag, cv->op);
		fputc(' ', cv->op);
		fputs(lineno, cv->op);
		fputc(' ', cv->op);
		for (; *rest && isspace(*rest); rest++)
			;
		fputs(rest, cv->op);
		break;
	default:
		die("unknown format type.");
	}
	(void)fputc(newline, cv->op);
}