Copyright (C) 1984, 1987, 1988, 1989, 1993, 1994, 1995, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
This file is not considered part of GNU Emacs.
/*
* Authors:
- * 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++.
+ * 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 reorganized 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 17.38";
+char pot_etags_version[] = "@(#) pot revision number is 17.38.1.4";
#define TRUE 1
#define FALSE 0
# ifndef PTR /* for XEmacs */
# define PTR void *
# endif
-# ifndef __P /* for XEmacs */
-# define __P(args) args
-# endif
#else /* no config.h */
# if defined(__STDC__) && (__STDC__ || defined(__SUNPRO_C))
-# define __P(args) args /* use prototypes */
# define PTR void * /* for generic pointers */
# else /* not standard C */
-# define __P(args) () /* no prototypes */
# define const /* remove const for old compilers' sake */
# define PTR long * /* don't use void* */
# endif
# include <stdlib.h>
# include <string.h>
# else /* no standard C headers */
- 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));
+ extern char *getenv (const char *);
+ extern char *strcpy (char *, const char *);
+ extern char *strncpy (char *, const char *, unsigned long);
+ extern char *strcat (char *, const char *);
+ extern char *strncat (char *, const char *, unsigned long);
+ extern int strcmp (const char *, const char *);
+ extern int strncmp (const char *, const char *, unsigned long);
+ extern int system (const char *);
+ extern unsigned long strlen (const char *);
+ extern void *malloc (unsigned long);
+ extern void *realloc (void *, unsigned long);
+ extern void exit (int);
+ extern void free (void *);
+ extern void *memmove (void *, const void *, unsigned long);
# define EXIT_SUCCESS 0
# define EXIT_FAILURE 1
# endif
#include <stdio.h>
#include <ctype.h>
#include <errno.h>
-#ifndef errno
- extern int errno;
-#endif
#include <sys/types.h>
#include <sys/stat.h>
#define bool int
-typedef void Lang_function __P((FILE *));
+typedef void Lang_function (FILE *);
typedef struct
{
/* Many compilers barf on this:
Lang_function Ada_funcs;
so let's write it this way */
-static void Ada_funcs __P((FILE *));
-static void Asm_labels __P((FILE *));
-static void C_entries __P((int c_ext, FILE *));
-static void default_C_entries __P((FILE *));
-static void plain_C_entries __P((FILE *));
-static void Cjava_entries __P((FILE *));
-static void Cobol_paragraphs __P((FILE *));
-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 void PHP_functions __P((FILE *));
-static void PS_functions __P((FILE *));
-static void Prolog_functions __P((FILE *));
-static void Python_functions __P((FILE *));
-static void Scheme_functions __P((FILE *));
-static void TeX_commands __P((FILE *));
-static void Texinfo_nodes __P((FILE *));
-static void Yacc_entries __P((FILE *));
-static void just_read_file __P((FILE *));
-
-static void print_language_names __P((void));
-static void print_version __P((void));
-static void print_help __P((argument *));
-int main __P((int, char **));
-
-static compressor *get_compressor_from_suffix __P((char *, char **));
-static language *get_language_from_langname __P((const char *));
-static language *get_language_from_interpreter __P((char *));
-static language *get_language_from_filename __P((char *, bool));
-static void readline __P((linebuffer *, FILE *));
-static long readline_internal __P((linebuffer *, FILE *));
-static bool nocase_tail __P((char *));
-static void get_tag __P((char *, char **));
-
-static void analyse_regex __P((char *));
-static void free_regexps __P((void));
-static void regex_tag_multiline __P((void));
-static void error __P((const char *, const char *));
-static void suggest_asking_for_help __P((void));
-void fatal __P((char *, char *));
-static void pfatal __P((char *));
-static void add_node __P((node *, node **));
-
-static void init __P((void));
-static void process_file_name __P((char *, language *));
-static void process_file __P((FILE *, char *, language *));
-static void find_entries __P((FILE *));
-static void free_tree __P((node *));
-static void free_fdesc __P((fdesc *));
-static void pfnote __P((char *, bool, char *, int, int, long));
-static void make_tag __P((char *, int, bool, char *, int, int, long));
-static void invalidate_nodes __P((fdesc *, node **));
-static void put_entries __P((node *));
-
-static char *concat __P((char *, char *, char *));
-static char *skip_spaces __P((char *));
-static char *skip_non_spaces __P((char *));
-static char *savenstr __P((char *, int));
-static char *savestr __P((char *));
-static char *etags_strchr __P((const char *, int));
-static char *etags_strrchr __P((const char *, int));
-static int etags_strcasecmp __P((const char *, const char *));
-static int etags_strncasecmp __P((const char *, const char *, int));
-static char *etags_getcwd __P((void));
-static char *relative_filename __P((char *, char *));
-static char *absolute_filename __P((char *, char *));
-static char *absolute_dirname __P((char *, char *));
-static bool filename_is_absolute __P((char *f));
-static void canonicalize_filename __P((char *));
-static void linebuffer_init __P((linebuffer *));
-static void linebuffer_setlen __P((linebuffer *, int));
-static PTR xmalloc __P((unsigned int));
-static PTR xrealloc __P((char *, unsigned int));
+static void Ada_funcs (FILE *);
+static void Asm_labels (FILE *);
+static void C_entries (int c_ext, FILE *);
+static void default_C_entries (FILE *);
+static void plain_C_entries (FILE *);
+static void Cjava_entries (FILE *);
+static void Cobol_paragraphs (FILE *);
+static void Cplusplus_entries (FILE *);
+static void Cstar_entries (FILE *);
+static void Erlang_functions (FILE *);
+static void Forth_words (FILE *);
+static void Fortran_functions (FILE *);
+static void HTML_labels (FILE *);
+static void Lisp_functions (FILE *);
+static void Lua_functions (FILE *);
+static void Makefile_targets (FILE *);
+static void Pascal_functions (FILE *);
+static void Perl_functions (FILE *);
+static void PHP_functions (FILE *);
+static void PS_functions (FILE *);
+static void Prolog_functions (FILE *);
+static void Python_functions (FILE *);
+static void Scheme_functions (FILE *);
+static void TeX_commands (FILE *);
+static void Texinfo_nodes (FILE *);
+static void Yacc_entries (FILE *);
+static void just_read_file (FILE *);
+
+static void print_language_names (void);
+static void print_version (void);
+static void print_help (argument *);
+int main (int, char **);
+
+static compressor *get_compressor_from_suffix (char *, char **);
+static language *get_language_from_langname (const char *);
+static language *get_language_from_interpreter (char *);
+static language *get_language_from_filename (char *, bool);
+static void readline (linebuffer *, FILE *);
+static long readline_internal (linebuffer *, FILE *);
+static bool nocase_tail (char *);
+static void get_tag (char *, char **);
+
+static void analyse_regex (char *);
+static void free_regexps (void);
+static void regex_tag_multiline (void);
+static void error (const char *, const char *);
+static void suggest_asking_for_help (void) NO_RETURN;
+void fatal (char *, char *) NO_RETURN;
+static void pfatal (char *) NO_RETURN;
+static void add_node (node *, node **);
+
+static void init (void);
+static void process_file_name (char *, language *);
+static void process_file (FILE *, char *, language *);
+static void find_entries (FILE *);
+static void free_tree (node *);
+static void free_fdesc (fdesc *);
+static void pfnote (char *, bool, char *, int, int, long);
+static void make_tag (char *, int, bool, char *, int, int, long);
+static void invalidate_nodes (fdesc *, node **);
+static void put_entries (node *);
+
+static char *concat (char *, char *, char *);
+static char *skip_spaces (char *);
+static char *skip_non_spaces (char *);
+static char *savenstr (char *, int);
+static char *savestr (char *);
+static char *etags_strchr (const char *, int);
+static char *etags_strrchr (const char *, int);
+static int etags_strcasecmp (const char *, const char *);
+static int etags_strncasecmp (const char *, const char *, int);
+static char *etags_getcwd (void);
+static char *relative_filename (char *, char *);
+static char *absolute_filename (char *, char *);
+static char *absolute_dirname (char *, char *);
+static bool filename_is_absolute (char *f);
+static void canonicalize_filename (char *);
+static void linebuffer_init (linebuffer *);
+static void linebuffer_setlen (linebuffer *, int);
+static PTR xmalloc (unsigned int);
+static PTR xrealloc (char *, unsigned int);
\f
static char searchar = '/'; /* use /.../ searches */
\f
static void
-print_language_names ()
+print_language_names (void)
{
language *lang;
char **name, **ext;
# define EMACS_NAME "standalone"
#endif
#ifndef VERSION
-# define VERSION "17.38"
+# define VERSION "17.38.1.4"
#endif
static void
-print_version ()
+print_version (void)
{
/* Makes it easier to update automatically. */
- char emacs_copyright[] = "Copyright (C) 2008 Free Software Foundation, Inc.";
+ char emacs_copyright[] = "Copyright (C) 2010 Free Software Foundation, Inc.";
printf ("%s (%s %s)\n", (CTAGS) ? "ctags" : "etags", EMACS_NAME, VERSION);
puts (emacs_copyright);
#endif
static void
-print_help (argbuffer)
- argument *argbuffer;
+print_help (argument *argbuffer)
{
bool help_for_lang = FALSE;
\f
int
-main (argc, argv)
- int argc;
- char *argv[];
+main (int argc, char **argv)
{
int i;
unsigned int nincluded_files;
}
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" */
* Idea by Vladimir Alexiev <vladimir@cs.ualberta.ca> (1998)
*/
static compressor *
-get_compressor_from_suffix (file, extptr)
- char *file;
- char **extptr;
+get_compressor_from_suffix (char *file, char **extptr)
{
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, '.');
* Return a language given the name.
*/
static language *
-get_language_from_langname (name)
- const char *name;
+get_language_from_langname (const char *name)
{
language *lang;
* Return a language given the interpreter name.
*/
static language *
-get_language_from_interpreter (interpreter)
- char *interpreter;
+get_language_from_interpreter (char *interpreter)
{
language *lang;
char **iname;
* Return a language given the file name.
*/
static language *
-get_language_from_filename (file, case_sensitive)
- char *file;
- bool case_sensitive;
+get_language_from_filename (char *file, int case_sensitive)
{
language *lang;
char **name, **ext, *suffix;
* This routine is called on each file argument.
*/
static void
-process_file_name (file, lang)
- char *file;
- language *lang;
+process_file_name (char *file, language *lang)
{
struct stat stat_buf;
FILE *inf;
}
static void
-process_file (fh, fn, lang)
- FILE *fh;
- char *fn;
- language *lang;
+process_file (FILE *fh, char *fn, language *lang)
{
static const fdesc emptyfdesc;
fdesc *fdp;
* of a char is TRUE if it is the string "white", else FALSE.
*/
static void
-init ()
+init (void)
{
register char *sp;
register int i;
* which finds the function and type definitions.
*/
static void
-find_entries (inf)
- FILE *inf;
+find_entries (FILE *inf)
{
char *cp;
language *lang = curfdp->lang;
* etags.el needs to use the same characters that are in NONAM.
*/
static void
-make_tag (name, namelen, is_func, linestart, linelen, lno, cno)
- char *name; /* tag name, or NULL if unnamed */
- int namelen; /* tag length */
- bool is_func; /* tag is a function */
- char *linestart; /* start of the line where tag is */
- int linelen; /* length of the line where tag is */
- int lno; /* line number */
- long cno; /* character number */
+make_tag (char *name, int namelen, int is_func, char *linestart, int linelen, int lno, long int cno)
+ /* tag name, or NULL if unnamed */
+ /* tag length */
+ /* tag is a function */
+ /* start of the line where tag is */
+ /* length of the line where tag is */
+ /* line number */
+ /* character number */
{
bool named = (name != NULL && namelen > 0);
/* Record a tag. */
static void
-pfnote (name, is_func, linestart, linelen, lno, cno)
- char *name; /* tag name, or NULL if unnamed */
- bool is_func; /* tag is a function */
- char *linestart; /* start of the line where tag is */
- int linelen; /* length of the line where tag is */
- int lno; /* line number */
- long cno; /* character number */
+pfnote (char *name, int is_func, char *linestart, int linelen, int lno, long int cno)
+ /* tag name, or NULL if unnamed */
+ /* tag is a function */
+ /* start of the line where tag is */
+ /* length of the line where tag is */
+ /* line number */
+ /* character number */
{
register node *np;
* recurse on left children, iterate on right children.
*/
static void
-free_tree (np)
- register node *np;
+free_tree (register node *np)
{
while (np)
{
* delete a file description
*/
static void
-free_fdesc (fdp)
- register fdesc *fdp;
+free_fdesc (register fdesc *fdp)
{
free (fdp->infname);
free (fdp->infabsname);
* maintain state.
*/
static void
-add_node (np, cur_node_p)
- node *np, **cur_node_p;
+add_node (node *np, node **cur_node_p)
{
register int dif;
register node *cur_node = *cur_node_p;
* given file description (CTAGS case) or free them (ETAGS case).
*/
static void
-invalidate_nodes (badfdp, npp)
- fdesc *badfdp;
- node **npp;
+invalidate_nodes (fdesc *badfdp, node **npp)
{
node *np = *npp;
}
\f
-static int total_size_of_entries __P((node *));
-static int number_len __P((long));
+static int total_size_of_entries (node *);
+static int number_len (long);
/* Length of a non-negative number's decimal representation. */
static int
-number_len (num)
- long num;
+number_len (long int num)
{
int len = 1;
while ((num /= 10) > 0)
* but is still supplied for backward compatibility.
*/
static int
-total_size_of_entries (np)
- register node *np;
+total_size_of_entries (register node *np)
{
register int total = 0;
}
static void
-put_entries (np)
- register node *np;
+put_entries (register node *np)
{
register char *sp;
static fdesc *fdp = NULL;
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 struct C_stab_entry * in_word_set __P((const char *, unsigned int));
-static enum sym_type C_symtype __P((char *, int, int));
+static unsigned int hash (const char *, unsigned int);
+static struct C_stab_entry * in_word_set (const char *, unsigned int);
+static enum sym_type C_symtype (char *, int, int);
/* Feed stuff between (but not including) %[ and %] lines to:
gperf -m 5
#endif
#endif
static unsigned int
-hash (str, len)
- register const char *str;
- register unsigned int len;
+hash (register const char *str, register unsigned int len)
{
static unsigned char asso_values[] =
{
}
static struct C_stab_entry *
-in_word_set (str, len)
- register const char *str;
- register unsigned int len;
+in_word_set (register const char *str, register unsigned int len)
{
enum
{
/*%>*/
static enum sym_type
-C_symtype (str, len, c_ext)
- char *str;
- int len;
- int c_ext;
+C_symtype (char *str, int len, int c_ext)
{
register struct C_stab_entry *se = in_word_set (str, len);
* Variables and functions for dealing with nested structures.
* Idea by Mykola Dzyuba <mdzyuba@yahoo.com> (2001)
*/
-static void pushclass_above __P((int, char *, int));
-static void popclass_above __P((int));
-static void write_classname __P((linebuffer *, char *qualifier));
+static void pushclass_above (int, char *, int);
+static void popclass_above (int);
+static void write_classname (linebuffer *, char *qualifier);
static struct {
char **cname; /* nested class names */
&& bracelev == cstack.bracelev[nestlev-1] + 1)
static void
-pushclass_above (bracelev, str, len)
- int bracelev;
- char *str;
- int len;
+pushclass_above (int bracelev, char *str, int len)
{
int nl;
}
static void
-popclass_above (bracelev)
- int bracelev;
+popclass_above (int bracelev)
{
int nl;
}
static void
-write_classname (cn, qualifier)
- linebuffer *cn;
- char *qualifier;
+write_classname (linebuffer *cn, char *qualifier)
{
int i, len;
int qlen = strlen (qualifier);
}
\f
-static bool consider_token __P((char *, int, int, int *, int, int, bool *));
-static void make_C_tag __P((bool));
+static bool consider_token (char *, int, int, int *, int, int, bool *);
+static void make_C_tag (bool);
/*
* consider_token ()
*/
static bool
-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 bracelev; /* IN: brace level */
- int parlev; /* IN: parenthesis level */
- bool *is_func_or_var; /* OUT: function or variable found */
+consider_token (register char *str, register int len, register int c, int *c_extp, int bracelev, int parlev, int *is_func_or_var)
+ /* IN: token pointer */
+ /* IN: token length */
+ /* IN: first char after the token */
+ /* IN, OUT: C extensions mask */
+ /* IN: brace level */
+ /* IN: parenthesis level */
+ /* OUT: function or variable found */
{
/* When structdef is stagseen, scolonseen, or snone with bracelev > 0,
structtype is the type of the preceding struct-like keyword, and
static void
-make_C_tag (isfun)
- bool isfun;
+make_C_tag (int isfun)
{
/* This function is never called when token.valid is FALSE, but
we must protect against invalid input or internal errors. */
* C syntax and adds them to the list.
*/
static void
-C_entries (c_ext, inf)
- int c_ext; /* extension of C */
- FILE *inf; /* input file */
+C_entries (int c_ext, FILE *inf)
+ /* extension of C */
+ /* input file */
{
register char c; /* latest char read; '\0' for end of line */
register char *lp; /* pointer one beyond the character `c' */
* of a global flag.
*/
static void
-default_C_entries (inf)
- FILE *inf;
+default_C_entries (FILE *inf)
{
C_entries (cplusplus ? C_PLPL : C_AUTO, inf);
}
/* Always do plain C. */
static void
-plain_C_entries (inf)
- FILE *inf;
+plain_C_entries (FILE *inf)
{
C_entries (0, inf);
}
/* Always do C++. */
static void
-Cplusplus_entries (inf)
- FILE *inf;
+Cplusplus_entries (FILE *inf)
{
C_entries (C_PLPL, inf);
}
/* Always do Java. */
static void
-Cjava_entries (inf)
- FILE *inf;
+Cjava_entries (FILE *inf)
{
C_entries (C_JAVA, inf);
}
/* Always do C*. */
static void
-Cstar_entries (inf)
- FILE *inf;
+Cstar_entries (FILE *inf)
{
C_entries (C_STAR, inf);
}
/* Always do Yacc. */
static void
-Yacc_entries (inf)
- FILE *inf;
+Yacc_entries (FILE *inf)
{
C_entries (YACC, inf);
}
* matching on files that have no language defined.
*/
static void
-just_read_file (inf)
- FILE *inf;
+just_read_file (FILE *inf)
{
register char *dummy;
\f
/* Fortran parsing */
-static void F_takeprec __P((void));
-static void F_getit __P((FILE *));
+static void F_takeprec (void);
+static void F_getit (FILE *);
static void
-F_takeprec ()
+F_takeprec (void)
{
dbp = skip_spaces (dbp);
if (*dbp != '*')
}
static void
-F_getit (inf)
- FILE *inf;
+F_getit (FILE *inf)
{
register char *cp;
static void
-Fortran_functions (inf)
- FILE *inf;
+Fortran_functions (FILE *inf)
{
LOOP_ON_INPUT_LINES (inf, lb, dbp)
{
dbp = skip_spaces (dbp);
if (*dbp == '\0')
continue;
+
+ if (LOOKING_AT_NOCASE (dbp, "recursive"))
+ dbp = skip_spaces (dbp);
+
switch (lowcase (*dbp))
{
case 'i':
* Philippe Waroquiers (1998)
*/
-static void Ada_getit __P((FILE *, char *));
+static void Ada_getit (FILE *, char *);
/* Once we are positioned after an "interesting" keyword, let's get
the real tag value necessary. */
static void
-Ada_getit (inf, name_qualifier)
- FILE *inf;
- char *name_qualifier;
+Ada_getit (FILE *inf, char *name_qualifier)
{
register char *cp;
char *name;
}
static void
-Ada_funcs (inf)
- FILE *inf;
+Ada_funcs (FILE *inf)
{
bool inquote = FALSE;
bool skip_till_semicolumn = FALSE;
* Idea by Bob Weiner, Motorola Inc. (1994)
*/
static void
-Asm_labels (inf)
- FILE *inf;
+Asm_labels (FILE *inf)
{
register char *cp;
* Ideas by Kai Großjohann <Kai.Grossjohann@CS.Uni-Dortmund.DE> (2001)
*/
static void
-Perl_functions (inf)
- FILE *inf;
+Perl_functions (FILE *inf)
{
char *package = savestr ("main"); /* current package name */
register char *cp;
* More ideas by seb bacon <seb@jamkit.com> (2002)
*/
static void
-Python_functions (inf)
- FILE *inf;
+Python_functions (FILE *inf)
{
register char *cp;
* Idea by Diez B. Roggisch (2001)
*/
static void
-PHP_functions (inf)
- FILE *inf;
+PHP_functions (FILE *inf)
{
register char *cp, *name;
bool search_identifier = FALSE;
* Idea by Corny de Souza (1993)
*/
static void
-Cobol_paragraphs (inf)
- FILE *inf;
+Cobol_paragraphs (FILE *inf)
{
register char *bp, *ep;
* Ideas by Assar Westerlund <assar@sics.se> (2001)
*/
static void
-Makefile_targets (inf)
- FILE *inf;
+Makefile_targets (FILE *inf)
{
register char *bp;
* the tag is skipped.
*/
static void
-Pascal_functions (inf)
- FILE *inf;
+Pascal_functions (FILE *inf)
{
linebuffer tline; /* mostly copied from C_entries */
long save_lcno;
* look for (def or (DEF, quote or QUOTE
*/
-static void L_getit __P((void));
+static void L_getit (void);
static void
-L_getit ()
+L_getit (void)
{
if (*dbp == '\'') /* Skip prefix quote */
dbp++;
}
static void
-Lisp_functions (inf)
- FILE *inf;
+Lisp_functions (FILE *inf)
{
LOOP_ON_INPUT_LINES (inf, lb, dbp)
{
* "function" and "local function" are tags if they start at column 1.
*/
static void
-Lua_functions (inf)
- FILE *inf;
+Lua_functions (FILE *inf)
{
register char *bp;
* Masatake Yamato <masata-y@is.aist-nara.ac.jp> (1999)
*/
static void
-PS_functions (inf)
- FILE *inf;
+PS_functions (FILE *inf)
{
register char *bp, *ep;
* Ideas by Eduardo Horvath <eeh@netbsd.org> (2004)
*/
static void
-Forth_words (inf)
- FILE *inf;
+Forth_words (FILE *inf)
{
register char *bp;
* Original code by Ken Haase (1985?)
*/
static void
-Scheme_functions (inf)
- FILE *inf;
+Scheme_functions (FILE *inf)
{
register char *bp;
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);
}
:part:appendix:entry:index:def\
:newcommand:renewcommand:newenvironment:renewenvironment";
-static void TEX_mode __P((FILE *));
-static void TEX_decode_env __P((char *, char *));
+static void TEX_mode (FILE *);
+static void TEX_decode_env (char *, char *);
static char TEX_esc = '\\';
static char TEX_opgrp = '{';
* TeX/LaTeX scanning loop.
*/
static void
-TeX_commands (inf)
- FILE *inf;
+TeX_commands (FILE *inf)
{
char *cp;
linebuffer *key;
/* Figure out whether TeX's escapechar is '\\' or '!' and set grouping
chars accordingly. */
static void
-TEX_mode (inf)
- FILE *inf;
+TEX_mode (FILE *inf)
{
int c;
/* Read environment and prepend it to the default string.
Build token table. */
static void
-TEX_decode_env (evarname, defenv)
- char *evarname;
- char *defenv;
+TEX_decode_env (char *evarname, char *defenv)
{
register char *env, *p;
int i, len;
\f
/* Texinfo support. Dave Love, Mar. 2000. */
static void
-Texinfo_nodes (inf)
- FILE * inf;
+Texinfo_nodes (FILE *inf)
{
char *cp, *start;
LOOP_ON_INPUT_LINES (inf, lb, cp)
* Francesco Potortì, 2002.
*/
static void
-HTML_labels (inf)
- FILE * inf;
+HTML_labels (FILE *inf)
{
bool getnext = FALSE; /* next text outside of HTML tags is a tag */
bool skiptag = FALSE; /* skip to the end of the current HTML tag */
* Original code by Sunichirou Sugou (1989)
* Rewritten by Anders Lindgren (1996)
*/
-static int prolog_pr __P((char *, char *));
-static void prolog_skip_comment __P((linebuffer *, FILE *));
-static int prolog_atom __P((char *, int));
+static int prolog_pr (char *, char *);
+static void prolog_skip_comment (linebuffer *, FILE *);
+static int prolog_atom (char *, int);
static void
-Prolog_functions (inf)
- FILE *inf;
+Prolog_functions (FILE *inf)
{
char *cp, *last;
int len;
static void
-prolog_skip_comment (plb, inf)
- linebuffer *plb;
- FILE *inf;
+prolog_skip_comment (linebuffer *plb, FILE *inf)
{
char *cp;
* header was found.
*/
static int
-prolog_pr (s, last)
- char *s;
- char *last; /* Name of last clause. */
+prolog_pr (char *s, char *last)
+
+ /* Name of last clause. */
{
int pos;
int len;
* Backslash quotes everything.
*/
static int
-prolog_atom (s, pos)
- char *s;
- int pos;
+prolog_atom (char *s, int pos)
{
int origpos;
* Assumes that Erlang functions start at column 0.
* Original code by Anders Lindgren (1996)
*/
-static int erlang_func __P((char *, char *));
-static void erlang_attribute __P((char *));
-static int erlang_atom __P((char *));
+static int erlang_func (char *, char *);
+static void erlang_attribute (char *);
+static int erlang_atom (char *);
static void
-Erlang_functions (inf)
- FILE *inf;
+Erlang_functions (FILE *inf)
{
char *cp, *last;
int len;
* was found.
*/
static int
-erlang_func (s, last)
- char *s;
- char *last; /* Name of last clause. */
+erlang_func (char *s, char *last)
+
+ /* Name of last clause. */
{
int pos;
int len;
* -record(graph, {vtab = notable, cyclic = true}).
*/
static void
-erlang_attribute (s)
- char *s;
+erlang_attribute (char *s)
{
char *cp = s;
* Return the number of bytes consumed, or -1 if there was an error.
*/
static int
-erlang_atom (s)
- char *s;
+erlang_atom (char *s)
{
int pos = 0;
}
\f
-static char *scan_separators __P((char *));
-static void add_regex __P((char *, language *));
-static char *substitute __P((char *, char *, struct re_registers *));
+static char *scan_separators (char *);
+static void add_regex (char *, language *);
+static char *substitute (char *, char *, struct re_registers *);
/*
* Take a string like "/blah/" and turn it into "blah", verifying
* unterminated regexps.
*/
static char *
-scan_separators (name)
- char *name;
+scan_separators (char *name)
{
char sep = name[0];
char *copyto = name;
/* Look at the argument of --regex or --no-regex and do the right
thing. Same for each line of a regexp file. */
static void
-analyse_regex (regex_arg)
- char *regex_arg;
+analyse_regex (char *regex_arg)
{
if (regex_arg == NULL)
{
/* Separate the regexp pattern, compile it,
and care for optional name and modifiers. */
static void
-add_regex (regexp_pattern, lang)
- char *regexp_pattern;
- language *lang;
+add_regex (char *regexp_pattern, language *lang)
{
static struct re_pattern_buffer zeropattern;
char sep, *pat, *name, *modifiers;
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)
* arguments.
*/
static char *
-substitute (in, out, regs)
- char *in, *out;
- struct re_registers *regs;
+substitute (char *in, char *out, struct re_registers *regs)
{
char *result, *t;
int size, dig, diglen;
/* Deallocate all regexps. */
static void
-free_regexps ()
+free_regexps (void)
{
regexp *rp;
while (p_head != NULL)
* Idea by Ben Wing <ben@666.com> (2002).
*/
static void
-regex_tag_multiline ()
+regex_tag_multiline (void)
{
char *buffer = filebuf.buffer;
regexp *rp;
\f
static bool
-nocase_tail (cp)
- char *cp;
+nocase_tail (char *cp)
{
register int len = 0;
}
static void
-get_tag (bp, namepp)
- register char *bp;
- char **namepp;
+get_tag (register char *bp, char **namepp)
{
register char *cp = bp;
* appended to `filebuf'.
*/
static long
-readline_internal (lbp, stream)
- linebuffer *lbp;
- register FILE *stream;
+readline_internal (linebuffer *lbp, register FILE *stream)
{
char *buffer = lbp->buffer;
register char *p = lbp->buffer;
* directives.
*/
static void
-readline (lbp, stream)
- linebuffer *lbp;
- FILE *stream;
+readline (linebuffer *lbp, FILE *stream)
{
long result;
discard_until_line_directive = FALSE; /* found it */
name = lbp->buffer + start;
*endp = '\0';
- canonicalize_filename (name); /* for DOS */
+ canonicalize_filename (name);
taggedabsname = absolute_filename (name, tagfiledir);
if (filename_is_absolute (name)
|| filename_is_absolute (curfdp->infname))
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. */
* with xnew where the string CP has been copied.
*/
static char *
-savestr (cp)
- char *cp;
+savestr (char *cp)
{
return savenstr (cp, strlen (cp));
}
* the string CP has been copied for at most the first LEN characters.
*/
static char *
-savenstr (cp, len)
- char *cp;
- int len;
+savenstr (char *cp, int len)
{
register char *dp;
* Identical to POSIX strrchr, included for portability.
*/
static char *
-etags_strrchr (sp, c)
- register const char *sp;
- register int c;
+etags_strrchr (register const char *sp, register int c)
{
register const char *r;
* Identical to POSIX strchr, included for portability.
*/
static char *
-etags_strchr (sp, c)
- register const char *sp;
- register int c;
+etags_strchr (register const char *sp, register int c)
{
do
{
* Same as BSD's strcasecmp, included for portability.
*/
static int
-etags_strcasecmp (s1, s2)
- register const char *s1;
- register const char *s2;
+etags_strcasecmp (register const char *s1, register const char *s2)
{
while (*s1 != '\0'
&& (ISALPHA (*s1) && ISALPHA (*s2)
* Same as BSD's strncasecmp, included for portability.
*/
static int
-etags_strncasecmp (s1, s2, n)
- register const char *s1;
- register const char *s2;
- register int n;
+etags_strncasecmp (register const char *s1, register const char *s2, register int n)
{
while (*s1 != '\0' && n-- > 0
&& (ISALPHA (*s1) && ISALPHA (*s2)
/* Skip spaces (end of string is not space), return new pointer. */
static char *
-skip_spaces (cp)
- char *cp;
+skip_spaces (char *cp)
{
while (iswhite (*cp))
cp++;
/* Skip non spaces, except end of string, return new pointer. */
static char *
-skip_non_spaces (cp)
- char *cp;
+skip_non_spaces (char *cp)
{
while (*cp != '\0' && !iswhite (*cp))
cp++;
/* Print error message and exit. */
void
-fatal (s1, s2)
- char *s1, *s2;
+fatal (char *s1, char *s2)
{
error (s1, s2);
exit (EXIT_FAILURE);
}
static void
-pfatal (s1)
- char *s1;
+pfatal (char *s1)
{
perror (s1);
exit (EXIT_FAILURE);
}
static void
-suggest_asking_for_help ()
+suggest_asking_for_help (void)
{
fprintf (stderr, "\tTry `%s %s' for a complete list of options.\n",
progname, NO_LONG_OPTIONS ? "-h" : "--help");
/* Print error message. `s1' is printf control string, `s2' is arg for it. */
static void
-error (s1, s2)
- const char *s1, *s2;
+error (const char *s1, const char *s2)
{
fprintf (stderr, "%s: ", progname);
fprintf (stderr, s1, s2);
/* Return a newly-allocated string whose contents
concatenate those of s1, s2, s3. */
static char *
-concat (s1, s2, s3)
- char *s1, *s2, *s3;
+concat (char *s1, char *s2, char *s3)
{
int len1 = strlen (s1), len2 = strlen (s2), len3 = strlen (s3);
char *result = xnew (len1 + len2 + len3 + 1, char);
/* Does the same work as the system V getcwd, but does not need to
guess the buffer size in advance. */
static char *
-etags_getcwd ()
+etags_getcwd (void)
{
#ifdef HAVE_GETCWD
int bufsize = 200;
/* Return a newly allocated string containing the file name of FILE
relative to the absolute directory DIR (which should end with a slash). */
static char *
-relative_filename (file, dir)
- char *file, *dir;
+relative_filename (char *file, char *dir)
{
char *fp, *dp, *afn, *res;
int i;
/* Build a sequence of "../" strings for the resulting relative file name. */
i = 0;
- while (*dp == '/')
- ++dp;
while ((dp = etags_strchr (dp + 1, '/')) != NULL)
- {
- i += 1;
- while (*dp == '/')
- ++dp;
- }
+ i += 1;
res = xnew (3*i + strlen (fp + 1) + 1, char);
res[0] = '\0';
while (i-- > 0)
/* Return a newly allocated string containing the absolute file name
of FILE given DIR (which should end with a slash). */
static char *
-absolute_filename (file, dir)
- char *file, *dir;
+absolute_filename (char *file, char *dir)
{
char *slashp, *cp, *res;
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;
}
}
file name of dir where FILE resides given DIR (which should
end with a slash). */
static char *
-absolute_dirname (file, dir)
- char *file, *dir;
+absolute_dirname (char *file, char *dir)
{
char *slashp, *res;
char save;
- canonicalize_filename (file);
slashp = etags_strrchr (file, '/');
if (slashp == NULL)
return savestr (dir);
/* Whether the argument string is an absolute file name. The argument
string must have been canonicalized with canonicalize_filename. */
static bool
-filename_is_absolute (fn)
- char *fn;
+filename_is_absolute (char *fn)
{
return (fn[0] == '/'
#ifdef DOS_NT
);
}
-/* 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;
+canonicalize_filename (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;
+linebuffer_init (linebuffer *lbp)
{
lbp->size = (DEBUG) ? 3 : 200;
lbp->buffer = xnew (lbp->size, char);
/* Set the minimum size of a string contained in a linebuffer. */
static void
-linebuffer_setlen (lbp, toksize)
- linebuffer *lbp;
- int toksize;
+linebuffer_setlen (linebuffer *lbp, int toksize)
{
while (lbp->size <= toksize)
{
/* Like malloc but get fatal error if memory is exhausted. */
static PTR
-xmalloc (size)
- unsigned int size;
+xmalloc (unsigned int size)
{
PTR result = (PTR) malloc (size);
if (result == NULL)
}
static PTR
-xrealloc (ptr, size)
- char *ptr;
- unsigned int size;
+xrealloc (char *ptr, unsigned int size)
{
PTR result = (PTR) realloc (ptr, size);
if (result == NULL)
HCoop / bpt / emacs.git / blobdiff