/* 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:
* 2002 #line directives by Francesco Potortì.
*
* Francesco Potortì <pot@gnu.org> has maintained and improved it since 1993.
- *
*/
-char pot_etags_version[] = "@(#) pot revision number is 16.56";
+/*
+ * 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.
+ */
+
+char pot_etags_version[] = "@(#) pot revision number is 17.26";
#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
+#else /* no config.h */
# if defined(__STDC__) && (__STDC__ || defined(__SUNPRO_C))
# define __P(args) args /* use prototypes */
# define PTR void * /* for generic pointers */
-# else
+# else /* not standard C */
# define __P(args) () /* no prototypes */
# define const /* remove const for old compilers' sake */
# define PTR long * /* don't use void* */
# define _GNU_SOURCE 1 /* enables some compiler checks on GNU */
#endif
-/* WIN32_NATIVE is for Xemacs.
+/* WIN32_NATIVE is for XEmacs.
MSDOS, WINDOWSNT, DOS_NT are for Emacs. */
#ifdef WIN32_NATIVE
# undef MSDOS
# ifndef HAVE_GETCWD
# define HAVE_GETCWD
# endif /* undef HAVE_GETCWD */
-#else /* !WINDOWSNT */
+#else /* not WINDOWSNT */
# ifdef STDC_HEADERS
# include <stdlib.h>
# include <string.h>
-# else
+# 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
# endif
#endif /* !WINDOWSNT */
# define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
#endif
-#ifdef 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
# define CTAGS FALSE
#endif
-/* Exit codes for success and failure. */
-#ifdef VMS
-# define GOOD 1
-# define BAD 0
-#else
-# define GOOD 0
-# define BAD 1
-#endif
-
#define streq(s,t) (assert((s)!=NULL || (t)!=NULL), !strcmp (s, t))
#define strcaseeq(s,t) (assert((s)!=NULL && (t)!=NULL), !etags_strcasecmp (s, t))
#define strneq(s,t,n) (assert((s)!=NULL || (t)!=NULL), !strncmp (s, t, n))
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 void Lua_functions __P((FILE *));
static void Makefile_targets __P((FILE *));
static void Pascal_functions __P((FILE *));
static void Perl_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 declarations; /* --declarations: tag them and extern in C&Co*/
static bool members; /* create tags for C member variables */
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 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 */
-#ifdef LONG_OPTIONS
static struct option longopts[] =
{
- { "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' },
-
-#if CTAGS /* Etags 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' },
-
-#else /* Ctags options */
- { "append", no_argument, NULL, 'a' },
- { "no-defines", no_argument, NULL, 'D' },
- { "no-globals", no_argument, &globals, FALSE },
- { "include", required_argument, NULL, 'i' },
+ { "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' },
+
+#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 [] =
argument of any expression that starts with `(def' in column zero\n\
is a tag.";
+static char *Lua_suffixes [] =
+ { "lua", "LUA", NULL };
+static char Lua_help [] =
+"In Lua scripts, all functions are tags.";
+
static char *Makefile_filenames [] =
{ "Makefile", "makefile", "GNUMakefile", "Makefile.in", "Makefile.am", NULL};
static char Makefile_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 },
{ "lisp", Lisp_help, Lisp_functions, Lisp_suffixes },
+ { "lua", Lua_help, Lua_functions, Lua_suffixes },
{ "makefile", Makefile_help,Makefile_targets,NULL,Makefile_filenames},
{ "objc", Objc_help, plain_C_entries, Objc_suffixes },
{ "pascal", Pascal_help, Pascal_functions, Pascal_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 (GOOD);
+ exit (EXIT_SUCCESS);
}
static void
}
if (help_for_lang)
- exit (GOOD);
+ exit (EXIT_SUCCESS);
printf ("Usage: %s [options] [[regex-option ...] file-name] ...\n\
\n\
These are the options accepted by %s.\n", progname, progname);
-#ifdef LONG_OPTIONS
- puts ("You may use unambiguous abbreviations for the long option names.");
-#else
- puts ("Long option names do not work with this executable, as it is not\n\
-linked with GNU getopt.");
-#endif /* LONG_OPTIONS */
+ 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 ("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.");
+# if PRINT_UNDOCUMENTED_OPTIONS_HELP
+ puts ("-w, --no-duplicates\n\
+ Do not create duplicate tag entries, for compatibility with\n\
+ traditional ctags.");
puts ("-w, --no-warn\n\
- Suppress warning messages about entries defined in multiple\n\
- files.");
+ Suppress warning messages about duplicate tag entries.");
+# endif /* PRINT_UNDOCUMENTED_OPTIONS_HELP */
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\
puts ("");
puts ("Report bugs to bug-gnu-emacs@gnu.org");
- exit (GOOD);
+ exit (EXIT_SUCCESS);
}
\f
globals = TRUE;
}
- optstring = "-";
-#ifdef ETAGS_REGEXPS
- optstring = "-r:Rc:";
-#endif /* ETAGS_REGEXPS */
-#ifndef LONG_OPTIONS
- optstring = optstring + 1;
-#endif /* LONG_OPTIONS */
- 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 (GOOD);
+ exit (EXIT_SUCCESS);
}
if (update)
sprintf (cmd,
"mv %s OTAGS;fgrep -v '\t%s\t' OTAGS >%s;rm OTAGS",
tagfile, argbuffer[i].what, tagfile);
- if (system (cmd) != GOOD)
+ if (system (cmd) != EXIT_SUCCESS)
fatal ("failed to execute shell command", (char *)NULL);
}
append_to_tagfile = TRUE;
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));
- }
- return GOOD;
+ if (CTAGS)
+ if (append_to_tagfile || update)
+ {
+ 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;
}
parser (inf);
-#ifdef ETAGS_REGEXPS
regex_tag_multiline ();
-#endif /* ETAGS_REGEXPS */
}
\f
* 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)
{
st_none,
st_C_objprot, st_C_objimpl, st_C_objend,
st_C_gnumacro,
- st_C_ignore,
+ st_C_ignore, st_C_attribute,
st_C_javastruct,
st_C_operator,
st_C_class, st_C_template,
- st_C_struct, st_C_extern, st_C_enum, st_C_define, st_C_typedef, st_C_typespec
+ st_C_struct, st_C_extern, st_C_enum, st_C_define, st_C_typedef
};
static unsigned int hash __P((const char *, unsigned int));
static enum sym_type C_symtype __P((char *, int, int));
/* Feed stuff between (but not including) %[ and %] lines to:
- gperf -c -k 1,3 -o -p -r -t
+ gperf -m 5
%[
+%compare-strncmp
+%enum
+%struct-type
struct C_stab_entry { char *name; int c_ext; enum sym_type type; }
%%
-if, 0, st_C_ignore
-for, 0, st_C_ignore
-while, 0, st_C_ignore
-switch, 0, st_C_ignore
-return, 0, st_C_ignore
-@interface, 0, st_C_objprot
-@protocol, 0, st_C_objprot
-@implementation,0, st_C_objimpl
-@end, 0, st_C_objend
-import, C_JAVA, st_C_ignore
-package, C_JAVA, st_C_ignore
-friend, C_PLPL, st_C_ignore
-extends, C_JAVA, st_C_javastruct
-implements, C_JAVA, st_C_javastruct
-interface, C_JAVA, st_C_struct
-class, 0, st_C_class
-namespace, C_PLPL, st_C_struct
-domain, C_STAR, st_C_struct
-union, 0, st_C_struct
-struct, 0, st_C_struct
-extern, 0, st_C_extern
-enum, 0, st_C_enum
-typedef, 0, st_C_typedef
-define, 0, st_C_define
-operator, C_PLPL, st_C_operator
-template, 0, st_C_template
-bool, C_PLPL, st_C_typespec
-long, 0, st_C_typespec
-short, 0, st_C_typespec
-int, 0, st_C_typespec
-char, 0, st_C_typespec
-float, 0, st_C_typespec
-double, 0, st_C_typespec
-signed, 0, st_C_typespec
-unsigned, 0, st_C_typespec
-auto, 0, st_C_typespec
-void, 0, st_C_typespec
-static, 0, st_C_typespec
-const, 0, st_C_typespec
-volatile, 0, st_C_typespec
-explicit, C_PLPL, st_C_typespec
-mutable, C_PLPL, st_C_typespec
-typename, C_PLPL, st_C_typespec
+if, 0, st_C_ignore
+for, 0, st_C_ignore
+while, 0, st_C_ignore
+switch, 0, st_C_ignore
+return, 0, st_C_ignore
+__attribute__, 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
+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
+class, 0, st_C_class
+namespace, C_PLPL, st_C_struct
+domain, C_STAR, st_C_struct
+union, 0, st_C_struct
+struct, 0, st_C_struct
+extern, 0, st_C_extern
+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).
-DEFUN, 0, st_C_gnumacro
-SYSCALL, 0, st_C_gnumacro
-ENTRY, 0, st_C_gnumacro
-PSEUDO, 0, st_C_gnumacro
+DEFUN, 0, st_C_gnumacro
+SYSCALL, 0, st_C_gnumacro
+ENTRY, 0, st_C_gnumacro
+PSEUDO, 0, st_C_gnumacro
# These are defined inside C functions, so currently they are not met.
# EXFUN used in glibc, DEFVAR_* in emacs.
-#EXFUN, 0, st_C_gnumacro
-#DEFVAR_, 0, st_C_gnumacro
+#EXFUN, 0, st_C_gnumacro
+#DEFVAR_, 0, st_C_gnumacro
%]
-and replace lines between %< and %> with its output,
-then make in_word_set and C_stab_entry static. */
+and replace lines between %< and %> with its output, then:
+ - remove the #if characterset check
+ - make in_word_set static and not inline. */
/*%<*/
-/* C code produced by gperf version 2.7.1 (19981006 egcs) */
-/* Command-line: gperf -c -k 1,3 -o -p -r -t */
-struct C_stab_entry { char *name; int c_ext; enum sym_type type; };
+/* C code produced by gperf version 3.0.1 */
+/* Command-line: gperf -m 5 */
+/* Computed positions: -k'2-3' */
-#define TOTAL_KEYWORDS 47
-#define MIN_WORD_LENGTH 2
-#define MAX_WORD_LENGTH 15
-#define MIN_HASH_VALUE 18
-#define MAX_HASH_VALUE 138
-/* maximum key range = 121, duplicates = 0 */
+struct C_stab_entry { char *name; int c_ext; enum sym_type type; };
+/* maximum key range = 33, duplicates = 0 */
#ifdef __GNUC__
__inline
+#else
+#ifdef __cplusplus
+inline
+#endif
#endif
static unsigned int
hash (str, len)
{
static unsigned char asso_values[] =
{
- 139, 139, 139, 139, 139, 139, 139, 139, 139, 139,
- 139, 139, 139, 139, 139, 139, 139, 139, 139, 139,
- 139, 139, 139, 139, 139, 139, 139, 139, 139, 139,
- 139, 139, 139, 139, 139, 139, 139, 139, 139, 139,
- 139, 139, 139, 139, 139, 139, 139, 139, 139, 139,
- 139, 139, 139, 139, 139, 139, 139, 139, 139, 139,
- 139, 139, 139, 139, 63, 139, 139, 139, 33, 44,
- 62, 139, 139, 139, 139, 139, 139, 139, 139, 139,
- 42, 139, 139, 12, 32, 139, 139, 139, 139, 139,
- 139, 139, 139, 139, 139, 139, 139, 34, 59, 37,
- 24, 58, 33, 3, 139, 16, 139, 139, 42, 60,
- 18, 11, 39, 139, 23, 57, 4, 63, 6, 20,
- 139, 139, 139, 139, 139, 139, 139, 139, 139, 139,
- 139, 139, 139, 139, 139, 139, 139, 139, 139, 139,
- 139, 139, 139, 139, 139, 139, 139, 139, 139, 139,
- 139, 139, 139, 139, 139, 139, 139, 139, 139, 139,
- 139, 139, 139, 139, 139, 139, 139, 139, 139, 139,
- 139, 139, 139, 139, 139, 139, 139, 139, 139, 139,
- 139, 139, 139, 139, 139, 139, 139, 139, 139, 139,
- 139, 139, 139, 139, 139, 139, 139, 139, 139, 139,
- 139, 139, 139, 139, 139, 139, 139, 139, 139, 139,
- 139, 139, 139, 139, 139, 139, 139, 139, 139, 139,
- 139, 139, 139, 139, 139, 139, 139, 139, 139, 139,
- 139, 139, 139, 139, 139, 139, 139, 139, 139, 139,
- 139, 139, 139, 139, 139, 139, 139, 139, 139, 139,
- 139, 139, 139, 139, 139, 139
+ 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
};
register int hval = len;
switch (hval)
{
default:
- case 3:
hval += asso_values[(unsigned char)str[2]];
+ /*FALLTHROUGH*/
case 2:
- case 1:
- hval += asso_values[(unsigned char)str[0]];
+ hval += asso_values[(unsigned char)str[1]];
break;
}
return hval;
}
-#ifdef __GNUC__
-__inline
-#endif
static struct C_stab_entry *
in_word_set (str, len)
register const char *str;
register unsigned int len;
{
+ enum
+ {
+ TOTAL_KEYWORDS = 32,
+ MIN_WORD_LENGTH = 2,
+ MAX_WORD_LENGTH = 15,
+ MIN_HASH_VALUE = 2,
+ MAX_HASH_VALUE = 34
+ };
+
static struct C_stab_entry wordlist[] =
{
- {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
- {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
- {"if", 0, st_C_ignore},
- {""}, {""}, {""}, {""},
- {"int", 0, st_C_typespec},
- {""}, {""},
- {"void", 0, st_C_typespec},
- {""}, {""},
- {"interface", C_JAVA, st_C_struct},
- {""},
- {"SYSCALL", 0, st_C_gnumacro},
- {""},
- {"return", 0, st_C_ignore},
- {""}, {""}, {""}, {""}, {""}, {""}, {""},
- {"while", 0, st_C_ignore},
- {"auto", 0, st_C_typespec},
- {""}, {""}, {""}, {""}, {""}, {""},
- {"float", 0, st_C_typespec},
- {"typedef", 0, st_C_typedef},
- {"typename", C_PLPL, st_C_typespec},
- {""}, {""}, {""},
- {"friend", C_PLPL, st_C_ignore},
- {"volatile", 0, st_C_typespec},
- {""}, {""},
- {"for", 0, st_C_ignore},
- {"const", 0, st_C_typespec},
- {"import", C_JAVA, st_C_ignore},
- {""},
- {"define", 0, st_C_define},
- {"long", 0, st_C_typespec},
- {"implements", C_JAVA, st_C_javastruct},
- {"signed", 0, st_C_typespec},
- {""},
- {"extern", 0, st_C_extern},
- {"extends", C_JAVA, st_C_javastruct},
- {""},
- {"mutable", C_PLPL, st_C_typespec},
- {"template", 0, st_C_template},
- {"short", 0, st_C_typespec},
- {"bool", C_PLPL, st_C_typespec},
- {"char", 0, st_C_typespec},
- {"class", 0, st_C_class},
- {"operator", C_PLPL, st_C_operator},
- {""},
- {"switch", 0, st_C_ignore},
- {""},
- {"ENTRY", 0, st_C_gnumacro},
- {""},
- {"package", C_JAVA, st_C_ignore},
- {"union", 0, st_C_struct},
- {"@end", 0, st_C_objend},
- {"struct", 0, st_C_struct},
- {"namespace", C_PLPL, st_C_struct},
{""}, {""},
- {"domain", C_STAR, st_C_struct},
- {"@interface", 0, st_C_objprot},
- {"PSEUDO", 0, st_C_gnumacro},
- {"double", 0, st_C_typespec},
+ {"if", 0, st_C_ignore},
{""},
- {"@protocol", 0, st_C_objprot},
- {""},
- {"static", 0, st_C_typespec},
- {""}, {""},
- {"DEFUN", 0, st_C_gnumacro},
- {""}, {""}, {""}, {""},
- {"explicit", C_PLPL, st_C_typespec},
- {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
- {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
- {""},
- {"enum", 0, st_C_enum},
- {""}, {""},
- {"unsigned", 0, st_C_typespec},
- {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
- {"@implementation",0, st_C_objimpl}
+ {"@end", 0, st_C_objend},
+ {"union", 0, st_C_struct},
+ {"define", 0, st_C_define},
+ {"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},
+ {"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},
+ {"ENTRY", 0, st_C_gnumacro},
+ {"PSEUDO", 0, st_C_gnumacro},
+ {"DEFUN", 0, st_C_gnumacro}
};
if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
{
register const char *s = wordlist[key].name;
- if (*str == *s && !strncmp (str + 1, s + 1, len - 1))
+ if (*str == *s && !strncmp (str + 1, s + 1, len - 1) && s[len] == '\0')
return &wordlist[key];
}
}
}
\f
+/*
+ * Ignoring __attribute__ ((list))
+ */
+static bool inattribute; /* looking at an __attribute__ construct */
+
/*
* C functions and variables are recognized using a simple
* finite automaton. fvdef is its state variable.
static enum
{
snone, /* nothing seen yet,
- or in struct body if cblev > 0 */
+ or in struct body if bracelev > 0 */
skeyseen, /* struct-like keyword seen */
stagseen, /* struct-like tag seen */
- sintemplate, /* inside template (ignore) */
scolonseen /* colon seen after struct-like tag */
} structdef;
static struct {
char **cname; /* nested class names */
- int *cblev; /* nested class curly brace level */
+ int *bracelev; /* nested class brace level */
int nl; /* class nesting level (elements used) */
int size; /* length of the array */
} cstack; /* stack for nested declaration tags */
#define nestlev (cstack.nl)
/* After struct keyword or in struct body, not inside a nested function. */
#define instruct (structdef == snone && nestlev > 0 \
- && cblev == cstack.cblev[nestlev-1] + 1)
+ && bracelev == cstack.bracelev[nestlev-1] + 1)
static void
-pushclass_above (cblev, str, len)
- int cblev;
+pushclass_above (bracelev, str, len)
+ int bracelev;
char *str;
int len;
{
int nl;
- popclass_above (cblev);
+ popclass_above (bracelev);
nl = cstack.nl;
if (nl >= cstack.size)
{
int size = cstack.size *= 2;
xrnew (cstack.cname, size, char *);
- xrnew (cstack.cblev, size, int);
+ xrnew (cstack.bracelev, size, int);
}
- assert (nl == 0 || cstack.cblev[nl-1] < cblev);
+ assert (nl == 0 || cstack.bracelev[nl-1] < bracelev);
cstack.cname[nl] = (str == NULL) ? NULL : savenstr (str, len);
- cstack.cblev[nl] = cblev;
+ cstack.bracelev[nl] = bracelev;
cstack.nl = nl + 1;
}
static void
-popclass_above (cblev)
- int cblev;
+popclass_above (bracelev)
+ int bracelev;
{
int nl;
for (nl = cstack.nl - 1;
- nl >= 0 && cstack.cblev[nl] >= cblev;
+ nl >= 0 && cstack.bracelev[nl] >= bracelev;
nl--)
{
if (cstack.cname[nl] != NULL)
*/
static bool
-consider_token (str, len, c, c_extp, cblev, parlev, is_func_or_var)
+consider_token (str, len, c, c_extp, bracelev, parlev, is_func_or_var)
register char *str; /* IN: token pointer */
register int len; /* IN: token length */
register int c; /* IN: first char after the token */
int *c_extp; /* IN, OUT: C extensions mask */
- int cblev; /* IN: curly brace level */
+ int bracelev; /* IN: brace level */
int parlev; /* IN: parenthesis level */
bool *is_func_or_var; /* OUT: function or variable found */
{
- /* When structdef is stagseen, scolonseen, or snone with cblev > 0,
+ /* When structdef is stagseen, scolonseen, or snone with bracelev > 0,
structtype is the type of the preceding struct-like keyword, and
- structcblev is the curly brace level where it has been seen. */
+ structbracelev is the brace level where it has been seen. */
static enum sym_type structtype;
- static int structcblev;
+ static int structbracelev;
static enum sym_type toktype;
toktype = C_symtype (str, len, *c_extp);
/*
- * Advance the definedef state machine.
- */
- switch (definedef)
- {
- case dnone:
- /* We're not on a preprocessor line. */
- if (toktype == st_C_gnumacro)
- {
- fvdef = fdefunkey;
- return FALSE;
- }
- break;
- case dsharpseen:
- if (toktype == st_C_define)
- {
- definedef = ddefineseen;
- }
- else
- {
- definedef = dignorerest;
- }
- return FALSE;
- case ddefineseen:
- /*
- * Make a tag for any macro, unless it is a constant
- * and constantypedefs is FALSE.
- */
- definedef = dignorerest;
- *is_func_or_var = (c == '(');
- if (!*is_func_or_var && !constantypedefs)
- return FALSE;
- else
- return TRUE;
- case dignorerest:
- return FALSE;
- default:
- error ("internal error: definedef value.", (char *)NULL);
- }
-
- /*
- * Now typedefs
- */
- switch (typdef)
- {
- case tnone:
- if (toktype == st_C_typedef)
- {
- if (typedefs)
- typdef = tkeyseen;
- fvextern = FALSE;
- fvdef = fvnone;
- return FALSE;
- }
- break;
- case tkeyseen:
- switch (toktype)
- {
- case st_none:
- case st_C_typespec:
- case st_C_class:
- case st_C_struct:
- case st_C_enum:
- typdef = ttypeseen;
- break;
- }
- break;
- case ttypeseen:
- if (structdef == snone && fvdef == fvnone)
- {
- fvdef = fvnameseen;
- return TRUE;
- }
- break;
- case tend:
- switch (toktype)
- {
- case st_C_typespec:
- case st_C_class:
- case st_C_struct:
- case st_C_enum:
- return FALSE;
- }
- 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.
+ * Skip __attribute__
*/
- switch (toktype)
- {
- case st_C_javastruct:
- if (structdef == stagseen)
- structdef = scolonseen;
- return FALSE;
- case st_C_template:
- case st_C_class:
- if ((*c_extp & C_AUTO) /* automatic detection of C++ language */
- && cblev == 0
- && definedef == dnone && structdef == snone
- && typdef == tnone && fvdef == fvnone)
- *c_extp = (*c_extp | C_PLPL) & ~C_AUTO;
- if (toktype == st_C_template)
- break;
- /* FALLTHRU */
- case st_C_struct:
- case st_C_enum:
- if (parlev == 0
- && fvdef != vignore
- && (typdef == tkeyseen
- || (typedefs_or_cplusplus && structdef == snone)))
- {
- structdef = skeyseen;
- structtype = toktype;
- structcblev = cblev;
- }
- return FALSE;
- }
-
- if (structdef == skeyseen)
- {
- structdef = stagseen;
- return TRUE;
- }
-
- if (typdef != tnone)
- definedef = dnone;
-
- /* Detect Objective C constructs. */
- switch (objdef)
- {
- case onone:
- switch (toktype)
- {
- case st_C_objprot:
- objdef = oprotocol;
- return FALSE;
- case st_C_objimpl:
- objdef = oimplementation;
- return FALSE;
- }
- break;
- case oimplementation:
- /* Save the class tag for functions or variables defined inside. */
- objtag = savenstr (str, len);
- objdef = oinbody;
- return FALSE;
- case oprotocol:
- /* Save the class tag for categories. */
- objtag = savenstr (str, len);
- objdef = otagseen;
- *is_func_or_var = TRUE;
- return TRUE;
- case oparenseen:
- objdef = ocatseen;
- *is_func_or_var = TRUE;
- return TRUE;
- case oinbody:
- break;
- case omethodsign:
- if (parlev == 0)
- {
- objdef = omethodtag;
- linebuffer_setlen (&token_name, len);
- strncpy (token_name.buffer, str, len);
- token_name.buffer[len] = '\0';
- return TRUE;
- }
- return FALSE;
- case omethodcolon:
- if (parlev == 0)
- objdef = omethodparm;
- return FALSE;
- case omethodparm:
- if (parlev == 0)
- {
- objdef = omethodtag;
- linebuffer_setlen (&token_name, token_name.len + len);
- strncat (token_name.buffer, str, len);
- return TRUE;
- }
- return FALSE;
- case oignore:
- if (toktype == st_C_objend)
- {
- /* Memory leakage here: the string pointed by objtag is
- never released, because many tests would be needed to
- avoid breaking on incorrect input code. The amount of
- memory leaked here is the sum of the lengths of the
- class tags.
- free (objtag); */
- objdef = onone;
- }
- return FALSE;
- }
-
- /* A function, variable or enum constant? */
- switch (toktype)
+ if (toktype == st_C_attribute)
{
- case st_C_extern:
- fvextern = TRUE;
- /* FALLTHRU */
- case st_C_typespec:
- switch (fvdef)
- {
- case finlist:
- case flistseen:
- case fignore:
- case vignore:
- break;
- default:
- fvdef = fvnone;
- }
- return FALSE;
- case st_C_ignore:
- fvextern = FALSE;
- fvdef = vignore;
+ inattribute = TRUE;
return FALSE;
- case st_C_operator:
- fvdef = foperator;
- *is_func_or_var = TRUE;
- return TRUE;
- case st_none:
- if (constantypedefs
- && structdef == snone
- && structtype == st_C_enum && cblev > structcblev)
- return TRUE; /* enum constant */
- switch (fvdef)
- {
- case fdefunkey:
- if (cblev > 0)
- break;
- fvdef = fdefunname; /* GNU macro */
- *is_func_or_var = TRUE;
- return TRUE;
- case fvnone:
- if ((strneq (str, "asm", 3) && endtoken (str[3]))
- || (strneq (str, "__asm__", 7) && endtoken (str[7])))
- {
- fvdef = vignore;
- return FALSE;
- }
- if (strneq (str+len-10, "::operator", 10))
+ }
+
+ /*
+ * Advance the definedef state machine.
+ */
+ switch (definedef)
+ {
+ case dnone:
+ /* We're not on a preprocessor line. */
+ if (toktype == st_C_gnumacro)
+ {
+ fvdef = fdefunkey;
+ return FALSE;
+ }
+ break;
+ case dsharpseen:
+ if (toktype == st_C_define)
+ {
+ definedef = ddefineseen;
+ }
+ else
+ {
+ definedef = dignorerest;
+ }
+ return FALSE;
+ case ddefineseen:
+ /*
+ * Make a tag for any macro, unless it is a constant
+ * and constantypedefs is FALSE.
+ */
+ definedef = dignorerest;
+ *is_func_or_var = (c == '(');
+ if (!*is_func_or_var && !constantypedefs)
+ return FALSE;
+ else
+ return TRUE;
+ case dignorerest:
+ return FALSE;
+ default:
+ error ("internal error: definedef value.", (char *)NULL);
+ }
+
+ /*
+ * Now typedefs
+ */
+ switch (typdef)
+ {
+ case tnone:
+ if (toktype == st_C_typedef)
+ {
+ if (typedefs)
+ typdef = tkeyseen;
+ fvextern = FALSE;
+ fvdef = fvnone;
+ return FALSE;
+ }
+ break;
+ case tkeyseen:
+ switch (toktype)
+ {
+ case st_none:
+ case st_C_class:
+ case st_C_struct:
+ case st_C_enum:
+ typdef = ttypeseen;
+ }
+ break;
+ case ttypeseen:
+ if (structdef == snone && fvdef == fvnone)
+ {
+ fvdef = fvnameseen;
+ return TRUE;
+ }
+ break;
+ case tend:
+ switch (toktype)
+ {
+ case st_C_class:
+ case st_C_struct:
+ case st_C_enum:
+ return FALSE;
+ }
+ 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:
+ if (structdef == stagseen)
+ structdef = scolonseen;
+ return FALSE;
+ case st_C_template:
+ case st_C_class:
+ if ((*c_extp & C_AUTO) /* automatic detection of C++ language */
+ && bracelev == 0
+ && definedef == dnone && structdef == snone
+ && typdef == tnone && fvdef == fvnone)
+ *c_extp = (*c_extp | C_PLPL) & ~C_AUTO;
+ if (toktype == st_C_template)
+ break;
+ /* FALLTHRU */
+ case st_C_struct:
+ case st_C_enum:
+ if (parlev == 0
+ && fvdef != vignore
+ && (typdef == tkeyseen
+ || (typedefs_or_cplusplus && structdef == snone)))
+ {
+ structdef = skeyseen;
+ structtype = toktype;
+ structbracelev = bracelev;
+ if (fvdef == fvnameseen)
+ fvdef = fvnone;
+ }
+ return FALSE;
+ }
+
+ if (structdef == skeyseen)
+ {
+ structdef = stagseen;
+ return TRUE;
+ }
+
+ if (typdef != tnone)
+ definedef = dnone;
+
+ /* Detect Objective C constructs. */
+ switch (objdef)
+ {
+ case onone:
+ switch (toktype)
+ {
+ case st_C_objprot:
+ objdef = oprotocol;
+ return FALSE;
+ case st_C_objimpl:
+ objdef = oimplementation;
+ return FALSE;
+ }
+ break;
+ case oimplementation:
+ /* Save the class tag for functions or variables defined inside. */
+ objtag = savenstr (str, len);
+ objdef = oinbody;
+ return FALSE;
+ case oprotocol:
+ /* Save the class tag for categories. */
+ objtag = savenstr (str, len);
+ objdef = otagseen;
+ *is_func_or_var = TRUE;
+ return TRUE;
+ case oparenseen:
+ objdef = ocatseen;
+ *is_func_or_var = TRUE;
+ return TRUE;
+ case oinbody:
+ break;
+ case omethodsign:
+ if (parlev == 0)
+ {
+ fvdef = fvnone;
+ objdef = omethodtag;
+ linebuffer_setlen (&token_name, len);
+ strncpy (token_name.buffer, str, len);
+ token_name.buffer[len] = '\0';
+ return TRUE;
+ }
+ return FALSE;
+ case omethodcolon:
+ if (parlev == 0)
+ objdef = omethodparm;
+ return FALSE;
+ case omethodparm:
+ if (parlev == 0)
+ {
+ fvdef = fvnone;
+ objdef = omethodtag;
+ linebuffer_setlen (&token_name, token_name.len + len);
+ strncat (token_name.buffer, str, len);
+ return TRUE;
+ }
+ return FALSE;
+ case oignore:
+ if (toktype == st_C_objend)
+ {
+ /* Memory leakage here: the string pointed by objtag is
+ never released, because many tests would be needed to
+ avoid breaking on incorrect input code. The amount of
+ memory leaked here is the sum of the lengths of the
+ class tags.
+ free (objtag); */
+ objdef = onone;
+ }
+ return FALSE;
+ }
+
+ /* A function, variable or enum constant? */
+ switch (toktype)
+ {
+ case st_C_extern:
+ fvextern = TRUE;
+ switch (fvdef)
+ {
+ case finlist:
+ case flistseen:
+ case fignore:
+ case vignore:
+ break;
+ default:
+ fvdef = fvnone;
+ }
+ return FALSE;
+ case st_C_ignore:
+ fvextern = FALSE;
+ fvdef = vignore;
+ return FALSE;
+ case st_C_operator:
+ fvdef = foperator;
+ *is_func_or_var = TRUE;
+ return TRUE;
+ case st_none:
+ if (constantypedefs
+ && structdef == snone
+ && structtype == st_C_enum && bracelev > structbracelev)
+ return TRUE; /* enum constant */
+ switch (fvdef)
+ {
+ case fdefunkey:
+ if (bracelev > 0)
+ break;
+ fvdef = fdefunname; /* GNU macro */
+ *is_func_or_var = TRUE;
+ return TRUE;
+ case fvnone:
+ switch (typdef)
+ {
+ case ttypeseen:
+ return FALSE;
+ case tnone:
+ if ((strneq (str, "asm", 3) && endtoken (str[3]))
+ || (strneq (str, "__asm__", 7) && endtoken (str[7])))
+ {
+ fvdef = vignore;
+ return FALSE;
+ }
+ break;
+ }
+ /* FALLTHRU */
+ case fvnameseen:
+ if (len >= 10 && strneq (str+len-10, "::operator", 10))
{
if (*c_extp & C_AUTO) /* automatic detection of C++ */
*c_extp = (*c_extp | C_PLPL) & ~C_AUTO;
*is_func_or_var = TRUE;
return TRUE;
}
- if (cblev > 0 && !instruct)
+ if (bracelev > 0 && !instruct)
break;
fvdef = fvnameseen; /* function or variable */
*is_func_or_var = TRUE;
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;
register int toklen; /* length of current token */
char *qualifier; /* string used to qualify names */
int qlen; /* length of qualifier */
- int cblev; /* current curly brace level */
+ int bracelev; /* current brace level */
+ int bracketlev; /* current bracket level */
int parlev; /* current parenthesis level */
- int typdefcblev; /* cblev where a typedef struct body begun */
+ int attrparlev; /* __attribute__ parenthesis level */
+ int templatelev; /* current template level */
+ 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);
cstack.size = (DEBUG) ? 1 : 4;
cstack.nl = 0;
cstack.cname = xnew (cstack.size, char *);
- cstack.cblev = xnew (cstack.size, int);
+ cstack.bracelev = xnew (cstack.size, int);
}
- tokoff = toklen = typdefcblev = 0; /* keep compiler quiet */
+ tokoff = toklen = typdefbracelev = 0; /* keep compiler quiet */
curndx = newndx = 0;
lp = curlb.buffer;
*lp = 0;
yacc_rules = FALSE;
midtoken = inquote = inchar = incomm = quotednl = FALSE;
token.valid = savetoken.valid = FALSE;
- cblev = 0;
- parlev = 0;
+ bracelev = bracketlev = parlev = attrparlev = templatelev = 0;
if (cjava)
{ qualifier = "."; qlen = 1; }
else
c = *lp++;
if (c == '\\')
{
- /* If we're at the end of the line, the next character is a
- '\0'; don't skip it, because it's the thing that tells us
+ /* If we are at the end of the line, the next character is a
+ '\0'; do not skip it, because it is what tells us
to read the next line. */
if (*lp == '\0')
{
}
continue;
}
- else
- switch (c)
- {
- case '"':
- inquote = TRUE;
- switch (fvdef)
- {
- case fdefunkey:
- case fstartlist:
- case finlist:
- case fignore:
- case vignore:
- break;
- default:
- fvextern = FALSE;
- fvdef = fvnone;
- }
- continue;
- case '\'':
- inchar = TRUE;
- if (fvdef != finlist && fvdef != fignore && fvdef !=vignore)
- {
- fvextern = FALSE;
- fvdef = fvnone;
- }
- continue;
- case '/':
- if (*lp == '*')
- {
- lp++;
- incomm = TRUE;
+ else if (bracketlev > 0)
+ {
+ switch (c)
+ {
+ case ']':
+ if (--bracketlev > 0)
continue;
- }
- else if (/* cplpl && */ *lp == '/')
- {
- c = '\0';
- break;
- }
- else
break;
- case '%':
- if ((c_ext & YACC) && *lp == '%')
- {
- /* Entering or exiting rules section in yacc file. */
- lp++;
- definedef = dnone; fvdef = fvnone; fvextern = FALSE;
- typdef = tnone; structdef = snone;
- midtoken = inquote = inchar = incomm = quotednl = FALSE;
- cblev = 0;
- yacc_rules = !yacc_rules;
- continue;
- }
- else
+ case '\0':
+ CNL_SAVE_DEFINEDEF ();
break;
- case '#':
- if (definedef == dnone)
- {
- char *cp;
- bool cpptoken = TRUE;
-
- /* Look back on this line. If all blanks, or nonblanks
- followed by an end of comment, this is a preprocessor
- token. */
- for (cp = newlb.buffer; cp < lp-1; cp++)
- if (!iswhite (*cp))
- {
- if (*cp == '*' && *(cp+1) == '/')
- {
- cp++;
- cpptoken = TRUE;
- }
- else
- cpptoken = FALSE;
- }
- if (cpptoken)
- definedef = dsharpseen;
- } /* if (definedef == dnone) */
-
+ }
+ continue;
+ }
+ else switch (c)
+ {
+ case '"':
+ inquote = TRUE;
+ if (inattribute)
+ break;
+ switch (fvdef)
+ {
+ case fdefunkey:
+ case fstartlist:
+ case finlist:
+ case fignore:
+ case vignore:
+ break;
+ default:
+ fvextern = FALSE;
+ fvdef = fvnone;
+ }
+ continue;
+ case '\'':
+ inchar = TRUE;
+ if (inattribute)
+ break;
+ if (fvdef != finlist && fvdef != fignore && fvdef !=vignore)
+ {
+ fvextern = FALSE;
+ fvdef = fvnone;
+ }
+ continue;
+ case '/':
+ if (*lp == '*')
+ {
+ lp++;
+ incomm = TRUE;
+ continue;
+ }
+ else if (/* cplpl && */ *lp == '/')
+ {
+ c = '\0';
+ break;
+ }
+ else
+ break;
+ case '%':
+ if ((c_ext & YACC) && *lp == '%')
+ {
+ /* Entering or exiting rules section in yacc file. */
+ lp++;
+ definedef = dnone; fvdef = fvnone; fvextern = FALSE;
+ typdef = tnone; structdef = snone;
+ midtoken = inquote = inchar = incomm = quotednl = FALSE;
+ bracelev = 0;
+ yacc_rules = !yacc_rules;
+ continue;
+ }
+ else
+ break;
+ case '#':
+ if (definedef == dnone)
+ {
+ char *cp;
+ bool cpptoken = TRUE;
+
+ /* Look back on this line. If all blanks, or nonblanks
+ followed by an end of comment, this is a preprocessor
+ token. */
+ for (cp = newlb.buffer; cp < lp-1; cp++)
+ if (!iswhite (*cp))
+ {
+ if (*cp == '*' && *(cp+1) == '/')
+ {
+ cp++;
+ cpptoken = TRUE;
+ }
+ else
+ cpptoken = FALSE;
+ }
+ if (cpptoken)
+ definedef = dsharpseen;
+ } /* if (definedef == dnone) */
+ continue;
+ case '[':
+ bracketlev++;
continue;
- } /* switch (c) */
+ } /* switch (c) */
/* Consider token only if some involved conditions are satisfied. */
if (typdef != tignore
&& definedef != dignorerest
&& fvdef != finlist
- && structdef != sintemplate
+ && templatelev == 0
&& (definedef != dnone
- || structdef != scolonseen))
+ || structdef != scolonseen)
+ && !inattribute)
{
if (midtoken)
{
if (yacc_rules
|| consider_token (newlb.buffer + tokoff, toklen, c,
- &c_ext, cblev, parlev, &funorvar))
+ &c_ext, bracelev, parlev,
+ &funorvar))
{
if (fvdef == foperator)
{
off += 1;
len -= 1;
}
- len = toklen;
linebuffer_setlen (&token_name, len);
strncpy (token_name.buffer,
newlb.buffer + off, len);
|| (funorvar
&& definedef == dnone
&& structdef == snone
- && cblev > 0));
+ && bracelev > 0));
}
token.lineno = lineno;
token.offset = tokoff;
|| instruct)
make_C_tag (funorvar);
}
+ else /* not yacc and consider_token failed */
+ {
+ if (inattribute && fvdef == fignore)
+ {
+ /* We have just met __attribute__ after a
+ function parameter list: do not tag the
+ function again. */
+ fvdef = fvnone;
+ }
+ }
midtoken = FALSE;
}
} /* if (endtoken (c)) */
switch (fvdef)
{
case fstartlist:
+ /* This prevents tagging fb in
+ void (__attribute__((noreturn)) *fb) (void);
+ Fixing this is not easy and not very important. */
fvdef = finlist;
continue;
case flistseen:
fvdef = fignore;
}
break;
- case fvnameseen:
- fvdef = fvnone;
- break;
}
if (structdef == stagseen && !cjava)
{
- popclass_above (cblev);
+ popclass_above (bracelev);
structdef = snone;
}
break;
switch (c)
{
case ':':
+ if (inattribute)
+ break;
if (yacc_rules && token.offset == 0 && token.valid)
{
make_C_tag (FALSE); /* a yacc function */
}
break;
case ';':
- if (definedef != dnone)
+ if (definedef != dnone || inattribute)
break;
switch (typdef)
{
fvdef = fvnone;
break;
case fvnameseen:
- if ((globals && cblev == 0 && (!fvextern || declarations))
+ if ((globals && bracelev == 0 && (!fvextern || declarations))
|| (members && instruct))
make_C_tag (FALSE); /* a variable */
fvextern = FALSE;
token.valid = FALSE;
break;
case flistseen:
- if (declarations
- && (typdef == tnone || (typdef != tignore && instruct)))
- make_C_tag (TRUE); /* a function declaration */
+ if ((declarations
+ && (cplpl || !instruct)
+ && (typdef == tnone || (typdef != tignore && instruct)))
+ || (members
+ && plainc && instruct))
+ make_C_tag (TRUE); /* a function */
/* FALLTHRU */
default:
fvextern = FALSE;
structdef = snone;
break;
case ',':
- if (definedef != dnone)
+ if (definedef != dnone || inattribute)
break;
switch (objdef)
{
case fdefunname:
fvdef = fignore;
break;
- case fvnameseen: /* a variable */
- if ((globals && cblev == 0 && (!fvextern || declarations))
- || (members && instruct))
- make_C_tag (FALSE);
+ case fvnameseen:
+ if (parlev == 0
+ && ((globals
+ && bracelev == 0
+ && templatelev == 0
+ && (!fvextern || declarations))
+ || (members && instruct)))
+ make_C_tag (FALSE); /* a variable */
break;
- case flistseen: /* a function */
+ case flistseen:
if ((declarations && typdef == tnone && !instruct)
|| (members && typdef != tignore && instruct))
{
- make_C_tag (TRUE); /* a function declaration */
+ make_C_tag (TRUE); /* a function */
fvdef = fvnameseen;
}
else if (!declarations)
if (structdef == stagseen)
structdef = snone;
break;
- case '[':
- if (definedef != dnone)
+ case ']':
+ if (definedef != dnone || inattribute)
break;
if (structdef == stagseen)
structdef = snone;
case vignore:
break;
case fvnameseen:
- if ((members && cblev == 1)
- || (globals && cblev == 0
+ if ((members && bracelev == 1)
+ || (globals && bracelev == 0
&& (!fvextern || declarations)))
make_C_tag (FALSE); /* a variable */
/* FALLTHRU */
}
break;
case '(':
+ if (inattribute)
+ {
+ attrparlev++;
+ break;
+ }
if (definedef != dnone)
break;
if (objdef == otagseen && parlev == 0)
parlev++;
break;
case ')':
+ if (inattribute)
+ {
+ if (--attrparlev == 0)
+ inattribute = FALSE;
+ break;
+ }
if (definedef != dnone)
break;
if (objdef == ocatseen && parlev == 1)
if (typdef == ttypeseen)
{
/* Whenever typdef is set to tinbody (currently only
- here), typdefcblev should be set to cblev. */
+ here), typdefbracelev should be set to bracelev. */
typdef = tinbody;
- typdefcblev = cblev;
+ typdefbracelev = bracelev;
}
switch (fvdef)
{
break;
default:
/* Neutralize `extern "C" {' grot. */
- if (cblev == 0 && structdef == snone && nestlev == 0
+ if (bracelev == 0 && structdef == snone && nestlev == 0
&& typdef == tnone)
- cblev = -1;
+ bracelev = -1;
}
break;
}
switch (structdef)
{
case skeyseen: /* unnamed struct */
- pushclass_above (cblev, NULL, 0);
+ pushclass_above (bracelev, NULL, 0);
structdef = snone;
break;
case stagseen: /* named struct or enum */
case scolonseen: /* a class */
- pushclass_above (cblev, token.line+token.offset, token.length);
+ pushclass_above (bracelev,token.line+token.offset, token.length);
structdef = snone;
make_C_tag (FALSE); /* a struct or enum */
break;
}
- cblev++;
+ bracelev++;
break;
case '*':
if (definedef != dnone)
break;
if (!ignoreindent && lp == newlb.buffer + 1)
{
- if (cblev != 0)
+ if (bracelev != 0)
token.valid = FALSE;
- cblev = 0; /* reset curly brace level if first column */
+ bracelev = 0; /* reset brace level if first column */
parlev = 0; /* also reset paren level, just in case... */
}
- else if (cblev > 0)
- cblev--;
+ else if (bracelev > 0)
+ bracelev--;
else
token.valid = FALSE; /* something gone amiss, token unreliable */
- popclass_above (cblev);
+ popclass_above (bracelev);
structdef = snone;
- /* Only if typdef == tinbody is typdefcblev significant. */
- if (typdef == tinbody && cblev <= typdefcblev)
+ /* Only if typdef == tinbody is typdefbracelev significant. */
+ if (typdef == tinbody && bracelev <= typdefbracelev)
{
- assert (cblev == typdefcblev);
+ assert (bracelev == typdefbracelev);
typdef = tend;
}
break;
case vignore:
break;
case fvnameseen:
- if ((members && cblev == 1)
- || (globals && cblev == 0 && (!fvextern || declarations)))
+ if ((members && bracelev == 1)
+ || (globals && bracelev == 0 && (!fvextern || declarations)))
make_C_tag (FALSE); /* a variable */
/* FALLTHRU */
default:
}
break;
case '<':
- if (cplpl && structdef == stagseen)
+ if (cplpl
+ && (structdef == stagseen || fvdef == fvnameseen))
{
- structdef = sintemplate;
+ templatelev++;
break;
}
goto resetfvdef;
case '>':
- if (structdef == sintemplate)
+ if (templatelev > 0)
{
- structdef = stagseen;
+ templatelev--;
break;
}
goto resetfvdef;
case '+':
case '-':
- if (objdef == oinbody && cblev == 0)
+ if (objdef == oinbody && bracelev == 0)
{
objdef = omethodsign;
break;
}
/* FALLTHRU */
resetfvdef:
- case '#': case '~': case '&': case '%': case '/': case '|':
- case '^': case '!': case '.': case '?': case ']':
+ case '#': case '~': case '&': case '%': case '/':
+ case '|': case '^': case '!': case '.': case '?':
if (definedef != dnone)
break;
/* These surely cannot follow a function tag in C. */
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);
}
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);
+ }
}
}
\f
/*
- * Postscript tag functions
+ * Lua script language parsing
+ * Original code by David A. Capello <dacap@users.sourceforge.net> (2004)
+ *
+ * "function" and "local function" are tags if they start at column 1.
+ */
+static void
+Lua_functions (inf)
+ FILE *inf;
+{
+ register char *bp;
+
+ LOOP_ON_INPUT_LINES (inf, lb, bp)
+ {
+ if (bp[0] != 'f' && bp[0] != 'l')
+ continue;
+
+ (void)LOOKING_AT (bp, "local"); /* skip possible "local" */
+
+ if (LOOKING_AT (bp, "function"))
+ get_tag (bp, NULL);
+ }
+}
+
+\f
+/*
+ * 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
* look for (def... xyzzy
* (set! xyzzy
* Original code by Ken Haase (1985?)
*/
-
static void
Scheme_functions (inf)
FILE *inf;
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;
}
\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)
/* 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++;
name = lbp->buffer + start;
*endp = '\0';
canonicalize_filename (name); /* for DOS */
- taggedabsname = absolute_filename (name, curfdp->infabsdir);
+ taggedabsname = absolute_filename (name, tagfiledir);
if (filename_is_absolute (name)
|| filename_is_absolute (curfdp->infname))
taggedfname = savestr (taggedabsname);
}
} /* 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;
char *s1, *s2;
{
error (s1, s2);
- exit (BAD);
+ exit (EXIT_FAILURE);
}
static void
char *s1;
{
perror (s1);
- exit (BAD);
+ exit (EXIT_FAILURE);
}
static void
suggest_asking_for_help ()
{
-
-#ifdef LONG_OPTIONS
-fprintf (stderr, "\tTry `%s %s' for a complete list of options.\n",
- progname, "--help");
-#else
-fprintf (stderr, "\tTry `%s %s' for a complete list of options.\n",
- progname, "-h");
-#endif
- exit (BAD);
+ fprintf (stderr, "\tTry `%s %s' for a complete list of options.\n",
+ progname, NO_LONG_OPTIONS ? "-h" : "--help");
+ exit (EXIT_FAILURE);
}
/* Print error message. `s1' is printf control string, `s2' is arg for it. */
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
/* arch-tag: 8a9b748d-390c-4922-99db-2eeefa921051
(do not change this comment) */
+
+/* etags.c ends here */
HCoop / bpt / emacs.git / blobdiff