/* Tags file maker to go with GNU Emacs -*- coding: latin-1 -*-
- Copyright (C) 1984, 1987, 1988, 1989, 1993, 1994, 1995,
- 1998, 1999, 2000, 2001, 2002, 2003, 2004,
- 2005, 2006 Free Software Foundation, Inc. and Ken Arnold
- This file is not considered part of GNU Emacs.
+Copyright (C) 1984 The Regents of the University of California
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
+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. 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 program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
+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.
+
+
+Copyright (C) 1984, 1987, 1988, 1989, 1993, 1994, 1995, 1998, 1999,
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+ Free Software Foundation, Inc.
+
+This file is not considered part of GNU Emacs.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+
+/* NB To comply with the above BSD license, copyright information is
+reproduced in etc/ETAGS.README. That file should be updated when the
+above notices are.
+
+To the best of our knowledge, this code was originally based on the
+ctags.c distributed with BSD4.2, which was copyrighted by the
+University of California, as described above. */
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
/*
* Authors:
- * Ctags originally by Ken Arnold.
- * Fortran added by Jim Kleckner.
- * Ed Pelegri-Llopart added C typedefs.
- * Gnu Emacs TAGS format and modifications by RMS?
- * 1989 Sam Kendall added C++.
+ * 1983 Ctags originally by Ken Arnold.
+ * 1984 Fortran added by Jim Kleckner.
+ * 1984 Ed Pelegri-Llopart added C typedefs.
+ * 1985 Emacs TAGS format by Richard Stallman.
+ * 1989 Sam Kendall added C++.
* 1992 Joseph B. Wells improved C and C++ parsing.
- * 1993 Francesco Potortì reorganised C and C++.
- * 1994 Line-by-line regexp tags by Tom Tromey.
+ * 1993 Francesco Potortì reorganized C and C++.
+ * 1994 Line-by-line regexp tags by Tom Tromey.
* 2001 Nested classes by Francesco Potortì (concept by Mykola Dzyuba).
* 2002 #line directives by Francesco Potortì.
*
/*
* If you want to add support for a new language, start by looking at the LUA
- * language, which is the simplest. Alternatively, consider shipping a
- * configuration file containing regexp definitions for etags.
+ * language, which is the simplest. Alternatively, consider distributing etags
+ * together with a configuration file containing regexp definitions for etags.
*/
-char pot_etags_version[] = "@(#) pot revision number is 17.18";
+char pot_etags_version[] = "@(#) pot revision number is 17.38.1.4";
#define TRUE 1
#define FALSE 0
/* On some systems, Emacs defines static as nothing for the sake
of unexec. We don't want that here since we don't use unexec. */
# undef static
-# define ETAGS_REGEXPS /* use the regexp features */
-# define LONG_OPTIONS /* accept long options */
-# ifndef PTR /* for Xemacs */
+# ifndef PTR /* for XEmacs */
# define PTR void *
# endif
-# ifndef __P /* for Xemacs */
+# ifndef __P /* for XEmacs */
# define __P(args) args
# endif
#else /* no config.h */
# define _GNU_SOURCE 1 /* enables some compiler checks on GNU */
#endif
-#ifdef LONG_OPTIONS
-# undef LONG_OPTIONS
-# define LONG_OPTIONS TRUE
-#else
-# define LONG_OPTIONS FALSE
-#endif
-
-/* WIN32_NATIVE is for Xemacs.
+/* WIN32_NATIVE is for XEmacs.
MSDOS, WINDOWSNT, DOS_NT are for Emacs. */
#ifdef WIN32_NATIVE
# undef MSDOS
# include <stdlib.h>
# include <string.h>
# else /* no standard C headers */
- extern char *getenv ();
-# ifdef VMS
-# define EXIT_SUCCESS 1
-# define EXIT_FAILURE 0
-# else /* no VMS */
-# define EXIT_SUCCESS 0
-# define EXIT_FAILURE 1
-# endif
+ extern char *getenv __P((const char *));
+ extern char *strcpy __P((char *, const char *));
+ extern char *strncpy __P((char *, const char *, unsigned long));
+ extern char *strcat __P((char *, const char *));
+ extern char *strncat __P((char *, const char *, unsigned long));
+ extern int strcmp __P((const char *, const char *));
+ extern int strncmp __P((const char *, const char *, unsigned long));
+ extern int system __P((const char *));
+ extern unsigned long strlen __P((const char *));
+ extern void *malloc __P((unsigned long));
+ extern void *realloc __P((void *, unsigned long));
+ extern void exit __P((int));
+ extern void free __P((void *));
+ extern void *memmove __P((void *, const void *, unsigned long));
+# define EXIT_SUCCESS 0
+# define EXIT_FAILURE 1
# endif
#endif /* !WINDOWSNT */
# define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
#endif
-#if LONG_OPTIONS
-# include <getopt.h>
-#else
+#ifdef NO_LONG_OPTIONS /* define this if you don't have GNU getopt */
+# define NO_LONG_OPTIONS TRUE
# define getopt_long(argc,argv,optstr,lopts,lind) getopt (argc, argv, optstr)
extern char *optarg;
extern int optind, opterr;
-#endif /* LONG_OPTIONS */
+#else
+# define NO_LONG_OPTIONS FALSE
+# include <getopt.h>
+#endif /* NO_LONG_OPTIONS */
-#ifdef ETAGS_REGEXPS
-# ifndef HAVE_CONFIG_H /* this is a standalone compilation */
-# ifdef __CYGWIN__ /* compiling on Cygwin */
+#ifndef HAVE_CONFIG_H /* this is a standalone compilation */
+# ifdef __CYGWIN__ /* compiling on Cygwin */
!!! NOTICE !!!
the regex.h distributed with Cygwin is not compatible with etags, alas!
If you want regular expression support, you should delete this notice and
arrange to use the GNU regex.h and regex.c.
-# endif
# endif
-# include <regex.h>
-#endif /* ETAGS_REGEXPS */
+#endif
+#include <regex.h>
/* Define CTAGS to make the program "ctags" compatible with the usual one.
Leave it undefined to make the program "etags", which makes emacs-style
char *what; /* the argument itself */
} argument;
-#ifdef ETAGS_REGEXPS
/* Structure defining a regular expression. */
typedef struct regexp
{
bool ignore_case; /* ignore case when matching */
bool multi_line; /* do a multi-line match on the whole file */
} regexp;
-#endif /* ETAGS_REGEXPS */
/* Many compilers barf on this:
static bool nocase_tail __P((char *));
static void get_tag __P((char *, char **));
-#ifdef ETAGS_REGEXPS
static void analyse_regex __P((char *));
static void free_regexps __P((void));
static void regex_tag_multiline __P((void));
-#endif /* ETAGS_REGEXPS */
static void error __P((const char *, const char *));
static void suggest_asking_for_help __P((void));
void fatal __P((char *, char *));
*midtk = "ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz$0123456789";
static bool append_to_tagfile; /* -a: append to tags */
-/* The next four default to TRUE for etags, but to FALSE for ctags. */
+/* The next five default to TRUE in C and derived languages. */
static bool typedefs; /* -t: create tags for C and Ada typedefs */
static bool typedefs_or_cplusplus; /* -T: create tags for C typedefs, level */
/* 0 struct/enum/union decls, and C++ */
/* constants and variables. */
/* -D: opposite of -d. Default under ctags. */
static bool globals; /* create tags for global variables */
-static bool declarations; /* --declarations: tag them and extern in C&Co*/
static bool members; /* create tags for C member variables */
+static bool declarations; /* --declarations: tag them and extern in C&Co*/
static bool no_line_directive; /* ignore #line directives (undocumented) */
+static bool no_duplicates; /* no duplicate tags for ctags (undocumented) */
static bool update; /* -u: update tags */
static bool vgrind_style; /* -v: create vgrind style index output */
-static bool no_warnings; /* -w: suppress warnings */
+static bool no_warnings; /* -w: suppress warnings (undocumented) */
static bool cxref_style; /* -x: create cxref style output */
-static bool cplusplus; /* .[hc] means C++, not C */
+static bool cplusplus; /* .[hc] means C++, not C (undocumented) */
static bool ignoreindent; /* -I: ignore indentation in C */
static bool packages_only; /* --packages-only: in Ada, only tag packages*/
#define STDIN 0x1001 /* returned by getopt_long on --parse-stdin */
static bool parsing_stdin; /* --parse-stdin used */
-#ifdef ETAGS_REGEXPS
static regexp *p_head; /* list of all regexps */
static bool need_filebuf; /* some regexes are multi-line */
-#else
-# define need_filebuf FALSE
-#endif /* ETAGS_REGEXPS */
-#if LONG_OPTIONS
static struct option longopts[] =
{
- { "append", no_argument, NULL, 'a' },
- { "packages-only", no_argument, &packages_only, TRUE },
- { "c++", no_argument, NULL, 'C' },
- { "declarations", no_argument, &declarations, TRUE },
- { "no-line-directive", no_argument, &no_line_directive, TRUE },
- { "help", no_argument, NULL, 'h' },
- { "help", no_argument, NULL, 'H' },
- { "ignore-indentation", no_argument, NULL, 'I' },
- { "language", required_argument, NULL, 'l' },
- { "members", no_argument, &members, TRUE },
- { "no-members", no_argument, &members, FALSE },
- { "output", required_argument, NULL, 'o' },
-#ifdef ETAGS_REGEXPS
- { "regex", required_argument, NULL, 'r' },
- { "no-regex", no_argument, NULL, 'R' },
- { "ignore-case-regex", required_argument, NULL, 'c' },
-#endif /* ETAGS_REGEXPS */
+ { "append", no_argument, NULL, 'a' },
+ { "packages-only", no_argument, &packages_only, TRUE },
+ { "c++", no_argument, NULL, 'C' },
+ { "declarations", no_argument, &declarations, TRUE },
+ { "no-line-directive", no_argument, &no_line_directive, TRUE },
+ { "no-duplicates", no_argument, &no_duplicates, TRUE },
+ { "help", no_argument, NULL, 'h' },
+ { "help", no_argument, NULL, 'H' },
+ { "ignore-indentation", no_argument, NULL, 'I' },
+ { "language", required_argument, NULL, 'l' },
+ { "members", no_argument, &members, TRUE },
+ { "no-members", no_argument, &members, FALSE },
+ { "output", required_argument, NULL, 'o' },
+ { "regex", required_argument, NULL, 'r' },
+ { "no-regex", no_argument, NULL, 'R' },
+ { "ignore-case-regex", required_argument, NULL, 'c' },
{ "parse-stdin", required_argument, NULL, STDIN },
- { "version", no_argument, NULL, 'V' },
+ { "version", no_argument, NULL, 'V' },
#if CTAGS /* Ctags options */
- { "backward-search", no_argument, NULL, 'B' },
- { "cxref", no_argument, NULL, 'x' },
- { "defines", no_argument, NULL, 'd' },
- { "globals", no_argument, &globals, TRUE },
- { "typedefs", no_argument, NULL, 't' },
- { "typedefs-and-c++", no_argument, NULL, 'T' },
- { "update", no_argument, NULL, 'u' },
- { "vgrind", no_argument, NULL, 'v' },
- { "no-warn", no_argument, NULL, 'w' },
+ { "backward-search", no_argument, NULL, 'B' },
+ { "cxref", no_argument, NULL, 'x' },
+ { "defines", no_argument, NULL, 'd' },
+ { "globals", no_argument, &globals, TRUE },
+ { "typedefs", no_argument, NULL, 't' },
+ { "typedefs-and-c++", no_argument, NULL, 'T' },
+ { "update", no_argument, NULL, 'u' },
+ { "vgrind", no_argument, NULL, 'v' },
+ { "no-warn", no_argument, NULL, 'w' },
#else /* Etags options */
- { "no-defines", no_argument, NULL, 'D' },
- { "no-globals", no_argument, &globals, FALSE },
- { "include", required_argument, NULL, 'i' },
+ { "no-defines", no_argument, NULL, 'D' },
+ { "no-globals", no_argument, &globals, FALSE },
+ { "include", required_argument, NULL, 'i' },
#endif
{ NULL }
};
-#endif /* LONG_OPTIONS */
static compressor compressors[] =
{
/* Note that .c and .h can be considered C++, if the --c++ flag was
- given, or if the `class' or `template' keyowrds are met inside the file.
+ given, or if the `class' or `template' keywords are met inside the file.
That is why default_C_entries is called for these. */
static char *default_C_suffixes [] =
{ "c", "h", NULL };
+#if CTAGS /* C help for Ctags */
+static char default_C_help [] =
+"In C code, any C function is a tag. Use -t to tag typedefs.\n\
+Use -T to tag definitions of `struct', `union' and `enum'.\n\
+Use -d to tag `#define' macro definitions and `enum' constants.\n\
+Use --globals to tag global variables.\n\
+You can tag function declarations and external variables by\n\
+using `--declarations', and struct members by using `--members'.";
+#else /* C help for Etags */
static char default_C_help [] =
"In C code, any C function or typedef is a tag, and so are\n\
definitions of `struct', `union' and `enum'. `#define' macro\n\
definitions and `enum' constants are tags unless you specify\n\
`--no-defines'. Global variables are tags unless you specify\n\
-`--no-globals'. Use of `--no-globals' and `--no-defines'\n\
-can make the tags table file much smaller.\n\
+`--no-globals' and so are struct members unless you specify\n\
+`--no-members'. Use of `--no-globals', `--no-defines' and\n\
+`--no-members' can make the tags table file much smaller.\n\
You can tag function declarations and external variables by\n\
-using `--declarations', and struct members by using `--members'.";
+using `--declarations'.";
+#endif /* C help for Ctags and Etags */
static char *Cplusplus_suffixes [] =
{ "C", "c++", "cc", "cpp", "cxx", "H", "h++", "hh", "hpp", "hxx",
static char Cplusplus_help [] =
"In C++ code, all the tag constructs of C code are tagged. (Use\n\
--help --lang=c --lang=c++ for full help.)\n\
-In addition to C tags, member functions are also recognized, and\n\
-optionally member variables if you use the `--members' option.\n\
+In addition to C tags, member functions are also recognized. Member\n\
+variables are recognized unless you use the `--no-members' option.\n\
Tags for variables and functions in classes are named `CLASS::VARIABLE'\n\
and `CLASS::FUNCTION'. `operator' definitions have tag names like\n\
`operator+'.";
static char Objc_help [] =
"In Objective C code, tags include Objective C definitions for classes,\n\
class categories, methods and protocols. Tags for variables and\n\
-functions in classes are named `CLASS::VARIABLE' and `CLASS::FUNCTION'.";
+functions in classes are named `CLASS::VARIABLE' and `CLASS::FUNCTION'.\n\
+(Use --help --lang=c --lang=objc --lang=java for full help.)";
static char *Pascal_suffixes [] =
{ "p", "pas", NULL };
static char Pascal_help [] =
"In Pascal code, the tags are the functions and procedures defined\n\
in the file.";
+/* " // this is for working around an Emacs highlighting bug... */
static char *Perl_suffixes [] =
{ "pl", "pm", NULL };
static char *PHP_suffixes [] =
{ "php", "php3", "php4", NULL };
static char PHP_help [] =
-"In PHP code, tags are functions, classes and defines. When using\n\
-the `--members' option, vars are tags too.";
+"In PHP code, tags are functions, classes and defines. Unless you use\n\
+the `--no-members' option, vars are tags too.";
static char *plain_C_suffixes [] =
{ "pc", /* Pro*C file */
# define EMACS_NAME "standalone"
#endif
#ifndef VERSION
-# define VERSION "version"
+# define VERSION "17.38.1.4"
#endif
static void
print_version ()
{
+ /* Makes it easier to update automatically. */
+ char emacs_copyright[] = "Copyright (C) 2010 Free Software Foundation, Inc.";
+
printf ("%s (%s %s)\n", (CTAGS) ? "ctags" : "etags", EMACS_NAME, VERSION);
- puts ("Copyright (C) 2006 Free Software Foundation, Inc. and Ken Arnold");
- puts ("This program is distributed under the same terms as Emacs");
+ puts (emacs_copyright);
+ puts ("This program is distributed under the terms in ETAGS.README");
exit (EXIT_SUCCESS);
}
+#ifndef PRINT_UNDOCUMENTED_OPTIONS_HELP
+# define PRINT_UNDOCUMENTED_OPTIONS_HELP FALSE
+#endif
+
static void
print_help (argbuffer)
argument *argbuffer;
printf ("Usage: %s [options] [[regex-option ...] file-name] ...\n\
\n\
These are the options accepted by %s.\n", progname, progname);
- if (LONG_OPTIONS)
- puts ("You may use unambiguous abbreviations for the long option names.");
+ if (NO_LONG_OPTIONS)
+ puts ("WARNING: long option names do not work with this executable,\n\
+as it is not linked with GNU getopt.");
else
- puts ("Long option names do not work with this executable, as it is not\n\
-linked with GNU getopt.");
+ puts ("You may use unambiguous abbreviations for the long option names.");
puts (" A - as file name means read names from stdin (one per line).\n\
Absolute names are stored in the output file as they are.\n\
Relative ones are stored relative to the output file's directory.\n");
puts ("--no-globals\n\
Do not create tag entries for global variables in some\n\
languages. This makes the tags file smaller.");
- puts ("--members\n\
+
+ if (PRINT_UNDOCUMENTED_OPTIONS_HELP)
+ puts ("--no-line-directive\n\
+ Ignore #line preprocessor directives in C and derived languages.");
+
+ if (CTAGS)
+ puts ("--members\n\
Create tag entries for members of structures in some languages.");
+ else
+ puts ("--no-members\n\
+ Do not create tag entries for members of structures\n\
+ in some languages.");
-#ifdef ETAGS_REGEXPS
puts ("-r REGEXP, --regex=REGEXP or --regex=@regexfile\n\
Make a tag for each line matching a regular expression pattern\n\
in the following files. {LANGUAGE}REGEXP uses REGEXP for LANGUAGE\n\
MODS are optional one-letter modifiers: `i' means to ignore case,\n\
`m' means to allow multi-line matches, `s' implies `m' and\n\
causes dot to match any character, including newline.");
+
puts ("-R, --no-regex\n\
Don't create tags from regexps for the following files.");
-#endif /* ETAGS_REGEXPS */
+
puts ("-I, --ignore-indentation\n\
In C and C++ do not assume that a closing brace in the first\n\
column is the final brace of a function or structure definition.");
+
puts ("-o FILE, --output=FILE\n\
Write the tags to FILE.");
+
puts ("--parse-stdin=NAME\n\
Read from standard input and record tags as belonging to file NAME.");
Print on the standard output an index of items intended for\n\
human consumption, similar to the output of vgrind. The index\n\
is sorted, and gives the page number of each item.");
- puts ("-w, --no-warn\n\
- Suppress warning messages about entries defined in multiple\n\
- files.");
+
+ if (PRINT_UNDOCUMENTED_OPTIONS_HELP)
+ puts ("-w, --no-duplicates\n\
+ Do not create duplicate tag entries, for compatibility with\n\
+ traditional ctags.");
+
+ if (PRINT_UNDOCUMENTED_OPTIONS_HELP)
+ puts ("-w, --no-warn\n\
+ Suppress warning messages about duplicate tag entries.");
+
puts ("-x, --cxref\n\
Like --vgrind, but in the style of cxref, rather than vgrind.\n\
The output uses line numbers instead of page numbers, but\n\
exit (EXIT_SUCCESS);
}
-\f
-#ifdef VMS /* VMS specific functions */
-
-#define EOS '\0'
-
-/* This is a BUG! ANY arbitrary limit is a BUG!
- Won't someone please fix this? */
-#define MAX_FILE_SPEC_LEN 255
-typedef struct {
- short curlen;
- char body[MAX_FILE_SPEC_LEN + 1];
-} vspec;
-
-/*
- v1.05 nmm 26-Jun-86 fn_exp - expand specification of list of file names
- returning in each successive call the next file name matching the input
- spec. The function expects that each in_spec passed
- to it will be processed to completion; in particular, up to and
- including the call following that in which the last matching name
- is returned, the function ignores the value of in_spec, and will
- only start processing a new spec with the following call.
- If an error occurs, on return out_spec contains the value
- of in_spec when the error occurred.
-
- With each successive file name returned in out_spec, the
- function's return value is one. When there are no more matching
- names the function returns zero. If on the first call no file
- matches in_spec, or there is any other error, -1 is returned.
-*/
-
-#include <rmsdef.h>
-#include <descrip.h>
-#define OUTSIZE MAX_FILE_SPEC_LEN
-static short
-fn_exp (out, in)
- vspec *out;
- char *in;
-{
- static long context = 0;
- static struct dsc$descriptor_s o;
- static struct dsc$descriptor_s i;
- static bool pass1 = TRUE;
- long status;
- short retval;
-
- if (pass1)
- {
- pass1 = FALSE;
- o.dsc$a_pointer = (char *) out;
- o.dsc$w_length = (short)OUTSIZE;
- i.dsc$a_pointer = in;
- i.dsc$w_length = (short)strlen(in);
- i.dsc$b_dtype = DSC$K_DTYPE_T;
- i.dsc$b_class = DSC$K_CLASS_S;
- o.dsc$b_dtype = DSC$K_DTYPE_VT;
- o.dsc$b_class = DSC$K_CLASS_VS;
- }
- if ((status = lib$find_file(&i, &o, &context, 0, 0)) == RMS$_NORMAL)
- {
- out->body[out->curlen] = EOS;
- return 1;
- }
- else if (status == RMS$_NMF)
- retval = 0;
- else
- {
- strcpy(out->body, in);
- retval = -1;
- }
- lib$find_file_end(&context);
- pass1 = TRUE;
- return retval;
-}
-
-/*
- v1.01 nmm 19-Aug-85 gfnames - return in successive calls the
- name of each file specified by the provided arg expanding wildcards.
-*/
-static char *
-gfnames (arg, p_error)
- char *arg;
- bool *p_error;
-{
- static vspec filename = {MAX_FILE_SPEC_LEN, "\0"};
-
- switch (fn_exp (&filename, arg))
- {
- case 1:
- *p_error = FALSE;
- return filename.body;
- case 0:
- *p_error = FALSE;
- return NULL;
- default:
- *p_error = TRUE;
- return filename.body;
- }
-}
-
-#ifndef OLD /* Newer versions of VMS do provide `system'. */
-system (cmd)
- char *cmd;
-{
- error ("%s", "system() function not implemented under VMS");
-}
-#endif
-
-#define VERSION_DELIM ';'
-char *massage_name (s)
- char *s;
-{
- char *start = s;
-
- for ( ; *s; s++)
- if (*s == VERSION_DELIM)
- {
- *s = EOS;
- break;
- }
- else
- *s = lowcase (*s);
- return start;
-}
-#endif /* VMS */
-
\f
int
main (argc, argv)
int current_arg, file_count;
linebuffer filename_lb;
bool help_asked = FALSE;
-#ifdef VMS
- bool got_err;
-#endif
char *optstring;
int opt;
argbuffer = xnew (argc, argument);
/*
- * If etags, always find typedefs and structure tags. Why not?
- * Also default to find macro constants, enum constants and
- * global variables.
+ * Always find typedefs and structure tags.
+ * Also default to find macro constants, enum constants, struct
+ * members and global variables. Do it for both etags and ctags.
*/
- if (!CTAGS)
- {
- typedefs = typedefs_or_cplusplus = constantypedefs = TRUE;
- globals = TRUE;
- }
+ typedefs = typedefs_or_cplusplus = constantypedefs = TRUE;
+ globals = members = TRUE;
/* When the optstring begins with a '-' getopt_long does not rearrange the
non-options arguments to be at the end, but leaves them alone. */
- optstring = "-";
-#ifdef ETAGS_REGEXPS
- optstring = "-r:Rc:";
-#endif /* ETAGS_REGEXPS */
- if (!LONG_OPTIONS)
- optstring += 1; /* remove the initial '-' */
- optstring = concat (optstring,
- "aCf:Il:o:SVhH",
+ optstring = concat (NO_LONG_OPTIONS ? "" : "-",
+ "ac:Cf:Il:o:r:RSVhH",
(CTAGS) ? "BxdtTuvw" : "Di:");
while ((opt = getopt_long (argc, argv, optstring, longopts, NULL)) != EOF)
}
if (tagfile == NULL)
- tagfile = CTAGS ? "tags" : "TAGS";
+ tagfile = savestr (CTAGS ? "tags" : "TAGS");
cwd = etags_getcwd (); /* the current working directory */
if (cwd[strlen (cwd) - 1] != '/')
{
cwd = concat (oldcwd, "/", "");
free (oldcwd);
}
- /* Relative file names are made relative to the current directory. */
+
+ /* Compute base directory for relative file names. */
if (streq (tagfile, "-")
|| strneq (tagfile, "/dev/", 5))
- tagfiledir = cwd;
+ tagfiledir = cwd; /* relative file names are relative to cwd */
else
- tagfiledir = absolute_dirname (tagfile, cwd);
+ {
+ canonicalize_filename (tagfile);
+ tagfiledir = absolute_dirname (tagfile, cwd);
+ }
init (); /* set up boolean "functions" */
case at_language:
lang = argbuffer[i].lang;
break;
-#ifdef ETAGS_REGEXPS
case at_regexp:
analyse_regex (argbuffer[i].what);
break;
-#endif
case at_filename:
-#ifdef VMS
- while ((this_file = gfnames (argbuffer[i].what, &got_err)) != NULL)
- {
- if (got_err)
- {
- error ("can't find file %s\n", this_file);
- argc--, argv++;
- }
- else
- {
- this_file = massage_name (this_file);
- }
-#else
this_file = argbuffer[i].what;
-#endif
/* Input file named "-" means read file names from stdin
(one per line) and use them. */
if (streq (this_file, "-"))
}
else
process_file_name (this_file, lang);
-#ifdef VMS
- }
-#endif
break;
case at_stdin:
this_file = argbuffer[i].what;
}
}
-#ifdef ETAGS_REGEXPS
free_regexps ();
-#endif /* ETAGS_REGEXPS */
free (lb.buffer);
free (filebuf.buffer);
free (token_name.buffer);
exit (EXIT_SUCCESS);
}
+ /* From here on, we are in (CTAGS && !cxref_style) */
if (update)
{
char cmd[BUFSIZ];
if (CTAGS)
if (append_to_tagfile || update)
{
- char cmd[2*BUFSIZ+10];
- sprintf (cmd, "sort -o %.*s %.*s", BUFSIZ, tagfile, BUFSIZ, tagfile);
+ char cmd[2*BUFSIZ+20];
+ /* Maybe these should be used:
+ setenv ("LC_COLLATE", "C", 1);
+ setenv ("LC_ALL", "C", 1); */
+ sprintf (cmd, "sort -u -o %.*s %.*s", BUFSIZ, tagfile, BUFSIZ, tagfile);
exit (system (cmd));
}
return EXIT_SUCCESS;
compressor *compr;
char *slash, *suffix;
- /* This relies on FN to be after canonicalize_filename,
+ /* File has been processed by canonicalize_filename,
so we don't need to consider backslashes on DOS_NT. */
slash = etags_strrchr (file, '/');
suffix = etags_strrchr (file, '.');
pfatal (file);
cleanup:
- if (compressed_name) free (compressed_name);
- if (uncompressed_name) free (uncompressed_name);
+ free (compressed_name);
+ free (uncompressed_name);
last_node = NULL;
curfdp = NULL;
return;
parser (inf);
-#ifdef ETAGS_REGEXPS
regex_tag_multiline ();
-#endif /* ETAGS_REGEXPS */
}
\f
{
register node *node_right = np->right;
free_tree (np->left);
- if (np->name != NULL)
- free (np->name);
+ free (np->name);
free (np->regex);
free (np);
np = node_right;
free_fdesc (fdp)
register fdesc *fdp;
{
- if (fdp->infname != NULL) free (fdp->infname);
- if (fdp->infabsname != NULL) free (fdp->infabsname);
- if (fdp->infabsdir != NULL) free (fdp->infabsdir);
- if (fdp->taggedfname != NULL) free (fdp->taggedfname);
- if (fdp->prop != NULL) free (fdp->prop);
+ free (fdp->infname);
+ free (fdp->infabsname);
+ free (fdp->infabsdir);
+ free (fdp->taggedfname);
+ free (fdp->prop);
free (fdp);
}
* If this tag name matches an existing one, then
* do not add the node, but maybe print a warning.
*/
- if (!dif)
+ if (no_duplicates && !dif)
{
if (np->fdp == cur_node->fdp)
{
switch, 0, st_C_ignore
return, 0, st_C_ignore
__attribute__, 0, st_C_attribute
+GTY, 0, st_C_attribute
@interface, 0, st_C_objprot
@protocol, 0, st_C_objprot
@implementation,0, st_C_objimpl
@end, 0, st_C_objend
-import, (C_JAVA & !C_PLPL), st_C_ignore
-package, (C_JAVA & !C_PLPL), st_C_ignore
+import, (C_JAVA & ~C_PLPL), st_C_ignore
+package, (C_JAVA & ~C_PLPL), st_C_ignore
friend, C_PLPL, st_C_ignore
-extends, (C_JAVA & !C_PLPL), st_C_javastruct
-implements, (C_JAVA & !C_PLPL), st_C_javastruct
-interface, (C_JAVA & !C_PLPL), st_C_struct
+extends, (C_JAVA & ~C_PLPL), st_C_javastruct
+implements, (C_JAVA & ~C_PLPL), st_C_javastruct
+interface, (C_JAVA & ~C_PLPL), st_C_struct
class, 0, st_C_class
namespace, C_PLPL, st_C_struct
domain, C_STAR, st_C_struct
35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
- 35, 35, 35, 35, 35, 35, 35, 35, 35, 15,
- 14, 35, 35, 35, 35, 35, 35, 35, 14, 35,
- 35, 35, 35, 12, 13, 35, 35, 35, 35, 12,
+ 35, 35, 35, 35, 35, 35, 35, 35, 35, 3,
+ 26, 35, 35, 35, 35, 35, 35, 35, 27, 35,
+ 35, 35, 35, 24, 0, 35, 35, 35, 35, 0,
35, 35, 35, 35, 35, 1, 35, 16, 35, 6,
23, 0, 0, 35, 22, 0, 35, 35, 5, 0,
0, 15, 1, 35, 6, 35, 8, 19, 35, 16,
{
enum
{
- TOTAL_KEYWORDS = 32,
+ TOTAL_KEYWORDS = 33,
MIN_WORD_LENGTH = 2,
MAX_WORD_LENGTH = 15,
MIN_HASH_VALUE = 2,
{
{""}, {""},
{"if", 0, st_C_ignore},
- {""},
+ {"GTY", 0, st_C_attribute},
{"@end", 0, st_C_objend},
{"union", 0, st_C_struct},
{"define", 0, st_C_define},
- {"import", (C_JAVA & !C_PLPL), st_C_ignore},
+ {"import", (C_JAVA & ~C_PLPL), st_C_ignore},
{"template", 0, st_C_template},
{"operator", C_PLPL, st_C_operator},
{"@interface", 0, st_C_objprot},
- {"implements", (C_JAVA & !C_PLPL), st_C_javastruct},
+ {"implements", (C_JAVA & ~C_PLPL), st_C_javastruct},
{"friend", C_PLPL, st_C_ignore},
{"typedef", 0, st_C_typedef},
{"return", 0, st_C_ignore},
{"@implementation",0, st_C_objimpl},
{"@protocol", 0, st_C_objprot},
- {"interface", (C_JAVA & !C_PLPL), st_C_struct},
+ {"interface", (C_JAVA & ~C_PLPL), st_C_struct},
{"extern", 0, st_C_extern},
- {"extends", (C_JAVA & !C_PLPL), st_C_javastruct},
+ {"extends", (C_JAVA & ~C_PLPL), st_C_javastruct},
{"struct", 0, st_C_struct},
{"domain", C_STAR, st_C_struct},
{"switch", 0, st_C_ignore},
{"class", 0, st_C_class},
{"while", 0, st_C_ignore},
{"undef", 0, st_C_define},
- {"package", (C_JAVA & !C_PLPL), st_C_ignore},
+ {"package", (C_JAVA & ~C_PLPL), st_C_ignore},
{"__attribute__", 0, st_C_attribute},
{"SYSCALL", 0, st_C_gnumacro},
{"ENTRY", 0, st_C_gnumacro},
nl >= 0 && cstack.bracelev[nl] >= bracelev;
nl--)
{
- if (cstack.cname[nl] != NULL)
- free (cstack.cname[nl]);
+ free (cstack.cname[nl]);
cstack.nl = nl;
}
}
* function or variable, or corresponds to a typedef, or
* is a struct/union/enum tag, or #define, or an enum constant.
*
- * *IS_FUNC gets TRUE iff the token is a function or #define macro
+ * *IS_FUNC gets TRUE if the token is a function or #define macro
* with args. C_EXTP points to which language we are looking at.
*
* Globals
return TRUE;
}
- /*
- * This structdef business is NOT invoked when we are ctags and the
- * file is plain C. This is because a struct tag may have the same
- * name as another tag, and this loses with ctags.
- */
switch (toktype)
{
case st_C_javastruct:
make_C_tag (isfun)
bool isfun;
{
- /* This function should never be called when token.valid is FALSE, but
+ /* This function is never called when token.valid is FALSE, but
we must protect against invalid input or internal errors. */
- if (!DEBUG && !token.valid)
- return;
-
if (token.valid)
make_tag (token_name.buffer, token_name.len, isfun, token.line,
token.offset+token.length+1, token.lineno, token.linepos);
- else /* this case is optimised away if !DEBUG */
- make_tag (concat ("INVALID TOKEN:-->", token_name.buffer, ""),
- token_name.len + 17, isfun, token.line,
- token.offset+token.length+1, token.lineno, token.linepos);
+ else if (DEBUG)
+ { /* this branch is optimised away if !DEBUG */
+ make_tag (concat ("INVALID TOKEN:-->", token_name.buffer, ""),
+ token_name.len + 17, isfun, token.line,
+ token.offset+token.length+1, token.lineno, token.linepos);
+ error ("INVALID TOKEN", NULL);
+ }
token.valid = FALSE;
}
int typdefbracelev; /* bracelev where a typedef struct body begun */
bool incomm, inquote, inchar, quotednl, midtoken;
bool yacc_rules; /* in the rules part of a yacc file */
- struct tok savetoken; /* token saved during preprocessor handling */
+ struct tok savetoken = {0}; /* token saved during preprocessor handling */
linebuffer_init (&lbs[0].lb);
case '/':
if (*lp == '*')
{
- lp++;
incomm = TRUE;
- continue;
+ lp++;
+ c = ' ';
}
else if (/* cplpl && */ *lp == '/')
{
c = '\0';
- break;
}
- else
- break;
+ break;
case '%':
if ((c_ext & YACC) && *lp == '%')
{
off += 1;
len -= 1;
}
- len = toklen;
linebuffer_setlen (&token_name, len);
strncpy (token_name.buffer,
newlb.buffer + off, len);
make_C_tag (FALSE); /* a struct or enum */
break;
}
- bracelev++;
+ bracelev += 1;
break;
case '*':
if (definedef != dnone)
case '}':
if (definedef != dnone)
break;
+ bracelev -= 1;
if (!ignoreindent && lp == newlb.buffer + 1)
{
if (bracelev != 0)
- token.valid = FALSE;
+ token.valid = FALSE; /* unexpected value, token unreliable */
bracelev = 0; /* reset brace level if first column */
parlev = 0; /* also reset paren level, just in case... */
}
- else if (bracelev > 0)
- bracelev--;
- else
- token.valid = FALSE; /* something gone amiss, token unreliable */
+ else if (bracelev < 0)
+ {
+ token.valid = FALSE; /* something gone amiss, token unreliable */
+ bracelev = 0;
+ }
+ if (bracelev == 0 && fvdef == vignore)
+ fvdef = fvnone; /* end of function */
popclass_above (bracelev);
structdef = snone;
/* Only if typdef == tinbody is typdefbracelev significant. */
dbp = skip_spaces (dbp);
if (*dbp == '\0')
continue;
+
+ if (LOOKING_AT_NOCASE (dbp, "recursive"))
+ dbp = skip_spaces (dbp);
+
switch (lowcase (*dbp))
{
case 'i':
LOOP_ON_INPUT_LINES (inf, lb, cp)
{
- skip_spaces(cp);
+ cp = skip_spaces (cp);
if (LOOKING_AT (cp, "package"))
{
while (*bp != '\0' && *bp != '=' && *bp != ':')
bp++;
if (*bp == ':' || (globals && *bp == '='))
- make_tag (lb.buffer, bp - lb.buffer, TRUE,
- lb.buffer, bp - lb.buffer + 1, lineno, linecharno);
+ {
+ /* We should detect if there is more than one tag, but we do not.
+ We just skip initial and final spaces. */
+ char * namestart = skip_spaces (lb.buffer);
+ while (--bp > namestart)
+ if (!notinname (*bp))
+ break;
+ make_tag (namestart, bp - namestart + 1, TRUE,
+ lb.buffer, bp - lb.buffer + 2, lineno, linecharno);
+ }
}
}
int save_lineno, namelen, taglen;
char c, *name;
- bool /* each of these flags is TRUE iff: */
+ bool /* each of these flags is TRUE if: */
incomment, /* point is inside a comment */
inquote, /* point is inside '..' string */
get_tagname, /* point is after PROCEDURE/FUNCTION
if (bp[0] != 'f' && bp[0] != 'l')
continue;
- LOOKING_AT (bp, "local"); /* skip possible "local" */
+ (void)LOOKING_AT (bp, "local"); /* skip possible "local" */
if (LOOKING_AT (bp, "function"))
get_tag (bp, NULL);
if (strneq (bp, "(def", 4) || strneq (bp, "(DEF", 4))
{
bp = skip_non_spaces (bp+4);
- /* Skip over open parens and white space */
- while (notinname (*bp))
+ /* Skip over open parens and white space. Don't continue past
+ '\0'. */
+ while (*bp && notinname (*bp))
bp++;
get_tag (bp, NULL);
}
if (!opgrp || *p == TEX_clgrp)
{
while (*p != '\0' && *p != TEX_opgrp && *p != TEX_clgrp)
- *p++;
+ p++;
linelen = p - lb.buffer + 1;
}
make_tag (cp, namelen, TRUE,
{
/* Skip to next line if we hit the TeX comment char. */
if (c == '%')
- while (c != '\n')
+ while (c != '\n' && c != EOF)
c = getc (inf);
else if (c == TEX_LESC || c == TEX_SESC )
break;
last[len] = '\0';
}
}
- if (last != NULL)
- free (last);
+ free (last);
}
last[len] = '\0';
}
}
- if (last != NULL)
- free (last);
+ free (last);
}
}
\f
-#ifdef ETAGS_REGEXPS
-
static char *scan_separators __P((char *));
static void add_regex __P((char *, language *));
static char *substitute __P((char *, char *, struct re_registers *));
else
re_set_syntax (RE_SYNTAX_EMACS);
- err = re_compile_pattern (pat, strlen (regexp_pattern), patbuf);
+ err = re_compile_pattern (pat, strlen (pat), patbuf);
if (multi_line)
free (pat);
if (err != NULL)
}
}
-#endif /* ETAGS_REGEXPS */
-
\f
static bool
nocase_tail (cp)
/* Check whether this is a #line directive. */
if (result > 12 && strneq (lbp->buffer, "#line ", 6))
{
- int start, lno;
+ unsigned int lno;
+ int start = 0;
- if (DEBUG) start = 0; /* shut up the compiler */
- if (sscanf (lbp->buffer, "#line %d \"%n", &lno, &start) == 1)
+ if (sscanf (lbp->buffer, "#line %u \"%n", &lno, &start) >= 1
+ && start > 0) /* double quote character found */
{
char *endp = lbp->buffer + start;
- assert (start > 0);
while ((endp = etags_strchr (endp, '"')) != NULL
&& endp[-1] == '\\')
endp++;
discard_until_line_directive = FALSE; /* found it */
name = lbp->buffer + start;
*endp = '\0';
- canonicalize_filename (name); /* for DOS */
- taggedabsname = absolute_filename (name, curfdp->infabsdir);
+ canonicalize_filename (name);
+ taggedabsname = absolute_filename (name, tagfiledir);
if (filename_is_absolute (name)
|| filename_is_absolute (curfdp->infname))
taggedfname = savestr (taggedabsname);
readline (lbp, stream);
return;
} /* if a real #line directive */
- } /* if #line is followed by a a number */
+ } /* if #line is followed by a number */
} /* if line begins with "#line " */
/* If we are here, no #line directive was found. */
}
} /* if #line directives should be considered */
-#ifdef ETAGS_REGEXPS
{
int match;
regexp *rp;
}
}
}
-#endif /* ETAGS_REGEXPS */
}
\f
suggest_asking_for_help ()
{
fprintf (stderr, "\tTry `%s %s' for a complete list of options.\n",
- progname, LONG_OPTIONS ? "--help" : "-h");
+ progname, NO_LONG_OPTIONS ? "-h" : "--help");
exit (EXIT_FAILURE);
}
else if (cp[0] != '/')
cp = slashp;
#endif
+#ifdef HAVE_MEMMOVE
+ memmove (cp, slashp + 3, strlen (slashp + 2));
+#else
+ /* Overlapping copy isn't really okay */
strcpy (cp, slashp + 3);
+#endif
slashp = cp;
continue;
}
else if (slashp[2] == '/' || slashp[2] == '\0')
{
- strcpy (slashp, slashp + 2);
+#ifdef HAVE_MEMMOVE
+ memmove (slashp, slashp + 2, strlen (slashp + 1));
+#else
+ strcpy (slashp, slashp + 2);
+#endif
continue;
}
}
char *slashp, *res;
char save;
- canonicalize_filename (file);
slashp = etags_strrchr (file, '/');
if (slashp == NULL)
return savestr (dir);
);
}
-/* Translate backslashes into slashes. Works in place. */
+/* Upcase DOS drive letter and collapse separators into single slashes.
+ Works in place. */
static void
canonicalize_filename (fn)
register char *fn;
{
+ register char* cp;
+ char sep = '/';
+
#ifdef DOS_NT
/* Canonicalize drive letter case. */
if (fn[0] != '\0' && fn[1] == ':' && ISLOWER (fn[0]))
fn[0] = upcase (fn[0]);
- /* Convert backslashes to slashes. */
- for (; *fn != '\0'; fn++)
- if (*fn == '\\')
- *fn = '/';
-#else
- /* No action. */
- fn = NULL; /* shut up the compiler */
+
+ sep = '\\';
#endif
+
+ /* Collapse multiple separators into a single slash. */
+ for (cp = fn; *cp != '\0'; cp++, fn++)
+ if (*cp == sep)
+ {
+ *fn = '/';
+ while (cp[1] == sep)
+ cp++;
+ }
+ else
+ *fn = *cp;
+ *fn = '\0';
}
\f
-/* Initialize a linebuffer for use */
+/* Initialize a linebuffer for use. */
static void
linebuffer_init (lbp)
linebuffer *lbp;
* tab-width: 8
* fill-column: 79
* c-font-lock-extra-types: ("FILE" "bool" "language" "linebuffer" "fdesc" "node" "regexp")
+ * c-file-style: "gnu"
* End:
*/