/* Tags file maker to go with GNU Emacs -*- coding: latin-1 -*-
- Copyright (C) 1984, 1987-1989, 1993-1995, 1998-2001, 2002
- Free Software Foundation, Inc. and Ken Arnold
+ 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.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
/*
* Authors:
* configuration file containing regexp definitions for etags.
*/
-char pot_etags_version[] = "@(#) pot revision number is 17.4";
+char pot_etags_version[] = "@(#) pot revision number is 17.20";
#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
# 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 void Cplusplus_entries __P((FILE *));
static void Cstar_entries __P((FILE *));
static void Erlang_functions __P((FILE *));
+static void Forth_words __P((FILE *));
static void Fortran_functions __P((FILE *));
static void HTML_labels __P((FILE *));
static void Lisp_functions __P((FILE *));
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 *));
static bool ignoreindent; /* -I: ignore indentation in C */
static bool packages_only; /* --packages-only: in Ada, only tag packages*/
+/* STDIN is defined in LynxOS system headers */
+#ifdef STDIN
+# undef STDIN
+#endif
+
#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 },
{ "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 */
{ "parse-stdin", required_argument, NULL, STDIN },
{ "version", no_argument, NULL, 'V' },
-#if CTAGS /* Etags options */
+#if CTAGS /* Ctags options */
{ "backward-search", no_argument, NULL, 'B' },
{ "cxref", no_argument, NULL, 'x' },
{ "defines", no_argument, NULL, 'd' },
{ "vgrind", no_argument, NULL, 'v' },
{ "no-warn", no_argument, NULL, 'w' },
-#else /* Ctags options */
- { "append", no_argument, NULL, 'a' },
+#else /* Etags options */
{ "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[] =
{
"In Erlang code, the tags are the functions, records and macros\n\
defined in the file.";
+char *Forth_suffixes [] =
+ { "fth", "tok", NULL };
+static char Forth_help [] =
+"In Forth code, tags are words defined by `:',\n\
+constant, code, create, defer, value, variable, buffer:, field.";
+
static char *Fortran_suffixes [] =
{ "F", "f", "f90", "for", NULL };
static char Fortran_help [] =
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 };
{ "c*", no_lang_help, Cstar_entries, Cstar_suffixes },
{ "cobol", Cobol_help, Cobol_paragraphs, Cobol_suffixes },
{ "erlang", Erlang_help, Erlang_functions, Erlang_suffixes },
+ { "forth", Forth_help, Forth_words, Forth_suffixes },
{ "fortran", Fortran_help, Fortran_functions, Fortran_suffixes },
{ "html", HTML_help, HTML_labels, HTML_suffixes },
{ "java", Cjava_help, Cjava_entries, Cjava_suffixes },
print_version ()
{
printf ("%s (%s %s)\n", (CTAGS) ? "ctags" : "etags", EMACS_NAME, VERSION);
- puts ("Copyright (C) 2002 Free Software Foundation, Inc. and Ken Arnold");
+ puts ("Copyright (C) 2006 Free Software Foundation, Inc. and Ken Arnold");
puts ("This program is distributed under the same terms as Emacs");
exit (EXIT_SUCCESS);
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");
- if (!CTAGS)
- puts ("-a, --append\n\
+ puts ("-a, --append\n\
Append tag entries to existing tags file.");
puts ("--packages-only\n\
puts ("--members\n\
Create tag entries for members of structures 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\
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.");
if (CTAGS)
{
puts ("-v, --vgrind\n\
- Generates an index of items intended for human consumption,\n\
- similar to the output of vgrind. The index is sorted, and\n\
- gives the page number of each item.");
+ 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.");
globals = TRUE;
}
- optstring = "-";
-#ifdef ETAGS_REGEXPS
- optstring = "-r:Rc:";
-#endif /* ETAGS_REGEXPS */
- if (LONG_OPTIONS)
- optstring += 1;
- optstring = concat (optstring,
- "Cf:Il:o:SVhH",
- (CTAGS) ? "BxdtTuvw" : "aDi:");
-
- while ((opt = getopt_long (argc, argv, optstring, longopts, 0)) != EOF)
+ /* 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 = concat (NO_LONG_OPTIONS ? "" : "-",
+ "ac:Cf:Il:o:r:RSVhH",
+ (CTAGS) ? "BxdtTuvw" : "Di:");
+
+ while ((opt = getopt_long (argc, argv, optstring, longopts, NULL)) != EOF)
switch (opt)
{
case 0:
break;
/* Common options. */
+ case 'a': append_to_tagfile = TRUE; break;
case 'C': cplusplus = TRUE; break;
case 'f': /* for compatibility with old makefiles */
case 'o':
break;
/* Etags options */
- case 'a': append_to_tagfile = TRUE; break;
case 'D': constantypedefs = FALSE; break;
case 'i': included_files[nincluded_files++] = optarg; break;
/* NOTREACHED */
}
+ /* No more options. Store the rest of arguments. */
for (; optind < argc; optind++)
{
argbuffer[current_arg].arg_type = at_filename;
cwd = concat (oldcwd, "/", "");
free (oldcwd);
}
- if (streq (tagfile, "-"))
+ /* Relative file names are made relative to the current directory. */
+ if (streq (tagfile, "-")
+ || strneq (tagfile, "/dev/", 5))
tagfiledir = cwd;
else
tagfiledir = absolute_dirname (tagfile, cwd);
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)
}
}
-#ifdef ETAGS_REGEXPS
free_regexps ();
-#endif /* ETAGS_REGEXPS */
free (lb.buffer);
free (filebuf.buffer);
free (token_name.buffer);
if (!CTAGS || cxref_style)
{
- put_entries (nodehead); /* write the remainig tags (ETAGS) */
+ /* Write the remaining tags to tagf (ETAGS) or stdout (CXREF). */
+ put_entries (nodehead);
free_tree (nodehead);
nodehead = NULL;
if (!CTAGS)
while (nincluded_files-- > 0)
fprintf (tagf, "\f\n%s,include\n", *included_files++);
+
+ if (fclose (tagf) == EOF)
+ pfatal (tagfile);
}
- if (fclose (tagf) == EOF)
- pfatal (tagfile);
exit (EXIT_SUCCESS);
}
if (fclose (tagf) == EOF)
pfatal (tagfile);
- if (update)
- {
- char cmd[2*BUFSIZ+10];
- sprintf (cmd, "sort -o %.*s %.*s", BUFSIZ, tagfile, BUFSIZ, tagfile);
- exit (system (cmd));
- }
+ if (CTAGS)
+ if (append_to_tagfile || update)
+ {
+ char cmd[2*BUFSIZ+10];
+ sprintf (cmd, "sort -o %.*s %.*s", BUFSIZ, tagfile, BUFSIZ, tagfile);
+ exit (system (cmd));
+ }
return EXIT_SUCCESS;
}
parser (inf);
-#ifdef ETAGS_REGEXPS
regex_tag_multiline ();
-#endif /* ETAGS_REGEXPS */
}
\f
enum, 0, st_C_enum
typedef, 0, st_C_typedef
define, 0, st_C_define
+undef, 0, st_C_define
operator, C_PLPL, st_C_operator
template, 0, st_C_template
# DEFUN used in emacs, the next three used in glibc (SYSCALL only for mach).
/*%<*/
/* C code produced by gperf version 3.0.1 */
/* Command-line: gperf -m 5 */
-/* Computed positions: -k'1-2' */
+/* Computed positions: -k'2-3' */
struct C_stab_entry { char *name; int c_ext; enum sym_type type; };
-/* maximum key range = 31, duplicates = 0 */
+/* maximum key range = 33, duplicates = 0 */
#ifdef __GNUC__
__inline
{
static unsigned char asso_values[] =
{
- 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
- 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
- 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
- 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
- 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
- 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
- 34, 34, 34, 34, 1, 34, 34, 34, 14, 14,
- 34, 34, 34, 34, 34, 34, 34, 34, 13, 34,
- 13, 34, 34, 12, 34, 34, 34, 34, 34, 11,
- 34, 34, 34, 34, 34, 8, 34, 11, 34, 12,
- 11, 0, 1, 34, 7, 0, 34, 34, 11, 9,
- 0, 4, 0, 34, 7, 4, 14, 21, 34, 15,
- 0, 2, 34, 34, 34, 34, 34, 34, 34, 34,
- 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
- 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
- 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
- 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
- 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
- 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
- 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
- 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
- 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
- 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
- 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
- 34, 34, 34, 34, 34, 34, 34, 34, 34, 34,
- 34, 34, 34, 34, 34, 34
+ 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, 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, 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,
+ 4, 5, 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, 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,
+ 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, 35,
+ 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
+ 35, 35, 35, 35, 35, 35
};
- return len + asso_values[(unsigned char)str[1]] + asso_values[(unsigned char)str[0]];
+ register int hval = len;
+
+ switch (hval)
+ {
+ default:
+ hval += asso_values[(unsigned char)str[2]];
+ /*FALLTHROUGH*/
+ case 2:
+ hval += asso_values[(unsigned char)str[1]];
+ break;
+ }
+ return hval;
}
static struct C_stab_entry *
{
enum
{
- TOTAL_KEYWORDS = 31,
+ TOTAL_KEYWORDS = 32,
MIN_WORD_LENGTH = 2,
MAX_WORD_LENGTH = 15,
- MIN_HASH_VALUE = 3,
- MAX_HASH_VALUE = 33
+ MIN_HASH_VALUE = 2,
+ MAX_HASH_VALUE = 34
};
static struct C_stab_entry wordlist[] =
{
- {""}, {""}, {""},
+ {""}, {""},
{"if", 0, st_C_ignore},
- {"enum", 0, st_C_enum},
+ {""},
{"@end", 0, st_C_objend},
- {"extern", 0, st_C_extern},
- {"extends", (C_JAVA & !C_PLPL), st_C_javastruct},
- {"for", 0, st_C_ignore},
- {"interface", (C_JAVA & !C_PLPL), st_C_struct},
- {"@protocol", 0, st_C_objprot},
- {"@interface", 0, st_C_objprot},
- {"operator", C_PLPL, st_C_operator},
- {"return", 0, st_C_ignore},
- {"friend", C_PLPL, st_C_ignore},
- {"import", (C_JAVA & !C_PLPL), st_C_ignore},
- {"@implementation",0, st_C_objimpl},
+ {"union", 0, st_C_struct},
{"define", 0, st_C_define},
- {"package", (C_JAVA & !C_PLPL), st_C_ignore},
- {"implements", (C_JAVA & !C_PLPL), st_C_javastruct},
- {"namespace", C_PLPL, st_C_struct},
- {"domain", C_STAR, st_C_struct},
+ {"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},
+ {"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},
+ {"extern", 0, st_C_extern},
+ {"extends", (C_JAVA & !C_PLPL), st_C_javastruct},
{"struct", 0, st_C_struct},
+ {"domain", C_STAR, st_C_struct},
{"switch", 0, st_C_ignore},
- {"union", 0, st_C_struct},
- {"while", 0, st_C_ignore},
+ {"enum", 0, st_C_enum},
+ {"for", 0, st_C_ignore},
+ {"namespace", C_PLPL, st_C_struct},
{"class", 0, st_C_class},
+ {"while", 0, st_C_ignore},
+ {"undef", 0, st_C_define},
+ {"package", (C_JAVA & !C_PLPL), st_C_ignore},
{"__attribute__", 0, st_C_attribute},
{"SYSCALL", 0, st_C_gnumacro},
- {"PSEUDO", 0, st_C_gnumacro},
{"ENTRY", 0, st_C_gnumacro},
+ {"PSEUDO", 0, st_C_gnumacro},
{"DEFUN", 0, st_C_gnumacro}
};
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);
char_pointer = line_buffer.buffer, \
TRUE); \
)
-#define LOOKING_AT(cp, keyword) /* keyword is a constant string */ \
- (strneq ((cp), keyword, sizeof(keyword)-1) /* cp points at keyword */ \
- && notinname ((cp)[sizeof(keyword)-1]) /* end of keyword */ \
- && ((cp) = skip_spaces((cp)+sizeof(keyword)-1))) /* skip spaces */
+
+#define LOOKING_AT(cp, kw) /* kw is the keyword, a literal string */ \
+ ((assert("" kw), TRUE) /* syntax error if not a literal string */ \
+ && strneq ((cp), kw, sizeof(kw)-1) /* cp points at kw */ \
+ && notinname ((cp)[sizeof(kw)-1]) /* end of kw */ \
+ && ((cp) = skip_spaces((cp)+sizeof(kw)-1))) /* skip spaces */
+
+/* Similar to LOOKING_AT but does not use notinname, does not skip */
+#define LOOKING_AT_NOCASE(cp, kw) /* the keyword is a literal string */ \
+ ((assert("" kw), TRUE) /* syntax error if not a literal string */ \
+ && strncaseeq ((cp), kw, sizeof(kw)-1) /* cp points at kw */ \
+ && ((cp) += sizeof(kw)-1)) /* skip spaces */
/*
* Read a file, but do no processing. This is used to do regexp
lb.buffer, cp - lb.buffer + 1, lineno, linecharno);
}
}
+ free (package);
}
\f
/*
- * Postscript tag functions
+ * Postscript tags
* Just look for lines where the first character is '/'
* Also look at "defineps" for PSWrap
* Ideas by:
}
}
+\f
+/*
+ * Forth tags
+ * Ignore anything after \ followed by space or in ( )
+ * Look for words defined by :
+ * Look for constant, code, create, defer, value, and variable
+ * OBP extensions: Look for buffer:, field,
+ * Ideas by Eduardo Horvath <eeh@netbsd.org> (2004)
+ */
+static void
+Forth_words (inf)
+ FILE *inf;
+{
+ register char *bp;
+
+ LOOP_ON_INPUT_LINES (inf, lb, bp)
+ while ((bp = skip_spaces (bp))[0] != '\0')
+ if (bp[0] == '\\' && iswhite(bp[1]))
+ break; /* read next line */
+ else if (bp[0] == '(' && iswhite(bp[1]))
+ do /* skip to ) or eol */
+ bp++;
+ while (*bp != ')' && *bp != '\0');
+ else if ((bp[0] == ':' && iswhite(bp[1]) && bp++)
+ || LOOKING_AT_NOCASE (bp, "constant")
+ || LOOKING_AT_NOCASE (bp, "code")
+ || LOOKING_AT_NOCASE (bp, "create")
+ || LOOKING_AT_NOCASE (bp, "defer")
+ || LOOKING_AT_NOCASE (bp, "value")
+ || LOOKING_AT_NOCASE (bp, "variable")
+ || LOOKING_AT_NOCASE (bp, "buffer:")
+ || LOOKING_AT_NOCASE (bp, "field"))
+ get_tag (skip_spaces (bp), NULL); /* Yay! A definition! */
+ else
+ bp = skip_non_spaces (bp);
+}
+
\f
/*
* Scheme tag functions
* (set! xyzzy
* Original code by Ken Haase (1985?)
*/
-
static void
Scheme_functions (inf)
FILE *inf;
{
/* 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;
}
\f
-/* Similar to LOOKING_AT but does not use notinname, does not skip */
-#define LOOKING_AT_NOCASE(cp, kw) /* kw is a constant string */ \
- (strncaseeq ((cp), kw, sizeof(kw)-1) /* cp points at kw */ \
- && ((cp) += sizeof(kw)-1)) /* skip spaces */
-
/*
* HTML support.
* Contents of <title>, <h1>, <h2>, <h3> are tags.
last[len] = '\0';
}
}
+ if (last != NULL)
+ free (last);
}
|| (s[pos] == '(' && (pos += 1))
|| (s[pos] == ':' && s[pos + 1] == '-' && (pos += 2)))
&& (last == NULL /* save only the first clause */
- || len != strlen (last)
+ || len != (int)strlen (last)
|| !strneq (s, last, len)))
{
make_tag (s, len, TRUE, s, pos, lineno, linecharno);
else if (cp[0] == '-') /* attribute, e.g. "-define" */
{
erlang_attribute (cp);
- last = NULL;
+ if (last != NULL)
+ {
+ free (last);
+ last = NULL;
+ }
}
else if ((len = erlang_func (cp, last)) > 0)
{
last[len] = '\0';
}
}
+ if (last != NULL)
+ 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 *));
}
}
-#endif /* ETAGS_REGEXPS */
-
\f
static bool
nocase_tail (cp)
int start, lno;
if (DEBUG) start = 0; /* shut up the compiler */
- if (sscanf (lbp->buffer, "#line %d \"%n", &lno, &start) == 1)
+ if (sscanf (lbp->buffer, "#line %d %n\"", &lno, &start) >= 1
+ && lbp->buffer[start] == '"')
{
- char *endp = lbp->buffer + start;
+ char *endp = lbp->buffer + ++start;
assert (start > 0);
while ((endp = etags_strchr (endp, '"')) != NULL
}
} /* if #line directives should be considered */
-#ifdef ETAGS_REGEXPS
{
int match;
regexp *rp;
}
}
}
-#endif /* ETAGS_REGEXPS */
}
\f
: *s1 - *s2);
}
-/* Skip spaces, return new pointer. */
+/* Skip spaces (end of string is not space), return new pointer. */
static char *
skip_spaces (cp)
char *cp;
return cp;
}
-/* Skip non spaces, return new pointer. */
+/* Skip non spaces, except end of string, return new pointer. */
static char *
skip_non_spaces (cp)
char *cp;
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);
}
slashp = etags_strchr (slashp + 1, '/');
}
- if (res[0] == '\0')
- return savestr ("/");
+ if (res[0] == '\0') /* just a safety net: should never happen */
+ {
+ free (res);
+ return savestr ("/");
+ }
else
return res;
}
/*
* Local Variables:
- * c-indentation-style: gnu
* indent-tabs-mode: t
* tab-width: 8
* fill-column: 79