diff options
Diffstat (limited to 'developer_cmds/ctags/print.c')
| -rw-r--r-- | developer_cmds/ctags/print.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/developer_cmds/ctags/print.c b/developer_cmds/ctags/print.c new file mode 100644 index 0000000..a6c4aaf --- /dev/null +++ b/developer_cmds/ctags/print.c @@ -0,0 +1,122 @@ +/* $NetBSD: print.c,v 1.5 1997/10/18 13:18:52 lukem Exp $ */ + +/* + * Copyright (c) 1987, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +#ifndef lint +#if 0 +static char sccsid[] = "@(#)print.c 8.3 (Berkeley) 4/2/94"; +#else +__RCSID("$NetBSD: print.c,v 1.5 1997/10/18 13:18:52 lukem Exp $"); +#endif +#endif /* not lint */ + +#include <limits.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "ctags.h" + +/* + * ct_getline -- + * get the line the token of interest occurred on, + * prepare it for printing. + */ +void +ct_getline() +{ + long saveftell; + int c; + int cnt; + char *cp; + + saveftell = ftell(inf); + (void)fseek(inf, lineftell, SEEK_SET); + if (xflag) + for (cp = lbuf; GETC(!=, '\n'); *cp++ = c) + continue; + /* + * do all processing here, so we don't step through the + * line more than once; means you don't call this routine + * unless you're sure you've got a keeper. + */ + else for (cnt = 0, cp = lbuf; GETC(!=, EOF) && cnt < ENDLINE; ++cnt) { + if (c == '\\') { /* backslashes */ + if (cnt > ENDLINE - 2) + break; + *cp++ = '\\'; *cp++ = '\\'; + ++cnt; + } + else if (c == (int)searchar) { /* search character */ + if (cnt > ENDLINE - 2) + break; + *cp++ = '\\'; *cp++ = c; + ++cnt; + } + else if (c == '\n') { /* end of keep */ + *cp++ = '$'; /* can find whole line */ + break; + } + else + *cp++ = c; + } + *cp = EOS; + (void)fseek(inf, saveftell, SEEK_SET); +} + +/* + * put_entries -- + * write out the tags + */ +void +put_entries(node) + NODE *node; +{ + + if (node->left) + put_entries(node->left); + if (vflag) + printf("%s %s %d\n", + node->entry, node->file, (node->lno + 63) / 64); + else if (xflag) + printf("%-16s%4d %-16s %s\n", + node->entry, node->lno, node->file, node->pat); + else + fprintf(outf, "%s\t%s\t%c^%s%c\n", + node->entry, node->file, searchar, node->pat, searchar); + if (node->right) + put_entries(node->right); +} |