* Francesco Potortì <pot@gnu.org> has maintained it since 1993.
*/
-char pot_etags_version[] = "@(#) pot revision number is 14.21";
+char pot_etags_version[] = "@(#) pot revision number is 14.26";
#define TRUE 1
#define FALSE 0
#else
# ifndef __STDC__
# define static /* remove static for old compilers' sake */
+# define const /* same for const */
# endif
#endif /* !HAVE_CONFIG_H */
#endif /* LONG_OPTIONS */
#ifdef ETAGS_REGEXPS
+# 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 */
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 Postscript_functions P_((FILE *));
static void Prolog_functions P_((FILE *));
static void Python_functions P_((FILE *));
char *Perl_interpreters [] =
{ "perl", "@PERL@", NULL };
+char *PHP_suffixes [] =
+ { "php", "php3", "php4", NULL };
+
char *plain_C_suffixes [] =
{ "lm", /* Objective lex file */
"m", /* Objective C file */
{ "makefile", Makefile_targets, Makefile_filenames, NULL, NULL },
{ "pascal", Pascal_functions, NULL, Pascal_suffixes, NULL },
{ "perl", Perl_functions, NULL, Perl_suffixes, Perl_interpreters },
+ { "php", PHP_functions, NULL, PHP_suffixes, NULL },
{ "postscript", Postscript_functions, NULL, Postscript_suffixes, NULL },
{ "proc", plain_C_entries, NULL, plain_C_suffixes, NULL },
{ "prolog", Prolog_functions, NULL, Prolog_suffixes, NULL },
}
\f
-/* A useful macro. */
+/* Useful macros. */
#define LOOP_ON_INPUT_LINES(file_pointer, line_buffer, char_pointer) \
for (lineno = charno = 0; /* loop initialization */ \
!feof (file_pointer) /* loop test */ \
char_pointer = lb.buffer, \
TRUE); \
)
-
+#define LOOKING_AT(cp, keyword) /* keyword is a constant string */ \
+ (strneq ((cp), keyword, sizeof(keyword)-1) /* cp points at kyword */ \
+ && iswhite((cp)[sizeof(keyword)-1]) /* followed by a blank */ \
+ && ((cp) = skip_spaces((cp)+sizeof(keyword)-1))) /* skip blanks */
/*
* Read a file, but do no processing. This is used to do regexp
LOOP_ON_INPUT_LINES (inf, lb, cp)
{
- if (*cp++ == 's'
- && *cp++ == 'u'
- && *cp++ == 'b' && iswhite (*cp++))
+ if (LOOKING_AT (cp, "sub"))
{
- cp = skip_spaces (cp);
if (*cp != '\0')
{
char *sp = cp;
}
}
else if (globals /* only if tagging global vars is enabled */
- && ((cp = lb.buffer,
- *cp++ == 'm'
- && *cp++ == 'y')
- || (cp = lb.buffer,
- *cp++ == 'l'
- && *cp++ == 'o'
- && *cp++ == 'c'
- && *cp++ == 'a'
- && *cp++ == 'l'))
+ && ((strneq (cp, "my", 2) && (cp+=2))
+ || (strneq (cp, "local", 5) && (cp+=5)))
&& (*cp == '(' || iswhite (*cp)))
{
/* After "my" or "local", but before any following paren or space. */
}
}
-\f
+
/*
* Python support
* Look for /^def[ \t\n]+[^ \t\n(:]+/ or /^class[ \t\n]+[^ \t\n(:]+/
{
register char *cp;
+ LOOP_ON_INPUT_LINES (inf, lb, cp)
+ if (LOOKING_AT (cp, "def") || LOOKING_AT (cp, "class"))
+ {
+ while (*cp != '\0' && !iswhite (*cp) && *cp != '(' && *cp != ':')
+ cp++;
+ pfnote (NULL, TRUE,
+ lb.buffer, cp - lb.buffer + 1, lineno, linecharno);
+ }
+}
+
+\f
+/*
+ * PHP support
+ * Look for:
+ * - /^[ \t]*function[ \t\n]+[^ \t\n(]+/
+ * - /^[ \t]*class[ \t\n]+[^ \t\n]+/
+ * - /^[ \t]*define\(\"[^\"]+/
+ * Only with --members:
+ * - /^[ \t]*var[ \t\n]+\$[^ \t\n=;]/
+ * originally by Diez B. Roggisch 2001-06-06
+ */
+static void
+PHP_functions (inf)
+ FILE *inf;
+{
+ register char *cp;
+ bool search_identifier = FALSE;
+
LOOP_ON_INPUT_LINES (inf, lb, cp)
{
- if (*cp++ == 'd'
- && *cp++ == 'e'
- && *cp++ == 'f' && iswhite (*cp++))
+ cp = skip_spaces (cp);
+ if (search_identifier
+ && *cp != '\0')
{
- cp = skip_spaces (cp);
- while (*cp != '\0' && !iswhite (*cp) && *cp != '(' && *cp != ':')
+ while (*cp != '\0' && !iswhite (*cp) && *cp != '(')
cp++;
pfnote (NULL, TRUE,
lb.buffer, cp - lb.buffer + 1, lineno, linecharno);
+ search_identifier = FALSE;
}
-
- cp = lb.buffer;
- if (*cp++ == 'c'
- && *cp++ == 'l'
- && *cp++ == 'a'
- && *cp++ == 's'
- && *cp++ == 's' && iswhite (*cp++))
+ else if (LOOKING_AT (cp, "function"))
+ {
+ if(*cp == '&')
+ cp = skip_spaces (cp+1);
+ if(*cp != '\0')
+ {
+ while (*cp != '\0' && !iswhite (*cp) && *cp != '(')
+ cp++;
+ pfnote (NULL, TRUE,
+ lb.buffer, cp - lb.buffer + 1, lineno, linecharno);
+ }
+ else
+ search_identifier = TRUE;
+ }
+ else if (LOOKING_AT (cp, "class"))
+ {
+ if (*cp != '\0')
+ {
+ while (*cp != '\0' && !iswhite (*cp))
+ cp++;
+ pfnote (NULL, FALSE,
+ lb.buffer, cp - lb.buffer + 1, lineno, linecharno);
+ }
+ else
+ search_identifier = TRUE;
+ }
+ else if (strneq (cp, "define", 6)
+ && (cp = skip_spaces (cp+6))
+ && *cp++ == '('
+ && (*cp == '"' || *cp == '\''))
{
- cp = skip_spaces (cp);
- while (*cp != '\0' && !iswhite (*cp) && *cp != '(' && *cp != ':')
+ char quote = *cp++;
+ while (*cp != quote && *cp != '\0')
cp++;
- pfnote (NULL, TRUE,
+ pfnote (NULL, FALSE,
+ lb.buffer, cp - lb.buffer + 1, lineno, linecharno);
+ }
+ else if (members
+ && LOOKING_AT (cp, "var")
+ && *cp == '$')
+ {
+ while (*cp != '=' && *cp != ';' && *cp != '\0' && !iswhite(*cp))
+ cp++;
+ pfnote (NULL, FALSE,
lb.buffer, cp - lb.buffer + 1, lineno, linecharno);
}
}
bp++;
get_tag (bp);
}
- if (bp[0] == '('
- && (bp[1] == 'S' || bp[1] == 's')
- && (bp[2] == 'E' || bp[2] == 'e')
- && (bp[3] == 'T' || bp[3] == 't')
- && (bp[4] == '!' || bp[4] == '!')
- && (iswhite (bp[5])))
- {
- bp = skip_non_spaces (bp);
- bp = skip_spaces (bp);
- get_tag (bp);
- }
+ if (LOOKING_AT (bp, "(SET!") || LOOKING_AT (bp, "(set!"))
+ get_tag (bp);
}
}
{
char *cp, *start;
LOOP_ON_INPUT_LINES (inf, lb, cp)
- {
- if ((*cp++ == '@'
- && *cp++ == 'n'
- && *cp++ == 'o'
- && *cp++ == 'd'
- && *cp++ == 'e' && iswhite (*cp++)))
- {
- start = cp = skip_spaces(cp);
- while (*cp != '\0' && *cp != ',')
- cp++;
- pfnote (savenstr (start, cp - start), TRUE,
- lb.buffer, cp - lb.buffer + 1, lineno, linecharno);
- }
- }
+ if (LOOKING_AT (cp, "@node"))
+ {
+ start = cp;
+ while (*cp != '\0' && *cp != ',')
+ cp++;
+ pfnote (savenstr (start, cp - start), TRUE,
+ lb.buffer, cp - lb.buffer + 1, lineno, linecharno);
+ }
}
\f
* Assumes that the predicate starts at column 0.
* Only the first clause of a predicate is added.
*/
-static int prolog_pred P_((char *, char *));
+static int prolog_pr P_((char *, char *));
static void prolog_skip_comment P_((linebuffer *, FILE *));
static int prolog_atom P_((char *, int));
continue;
else if (cp[0] == '/' && cp[1] == '*') /* comment. */
prolog_skip_comment (&lb, inf);
- else if ((len = prolog_pred (cp, last)) > 0)
+ else if ((len = prolog_pr (cp, last)) > 0)
{
/* Predicate. Store the function name so that we only
generate a tag for the first clause. */
}
/*
- * A predicate definition is added if it matches:
+ * A predicate or rule definition is added if it matches:
* <beginning of line><Prolog Atom><whitespace>(
+ * or <beginning of line><Prolog Atom><whitespace>:-
*
* It is added to the tags database if it doesn't match the
* name of the previous clause header.
*
- * Return the size of the name of the predicate, or 0 if no header
- * was found.
+ * Return the size of the name of the predicate or rule, or 0 if no
+ * header was found.
*/
static int
-prolog_pred (s, last)
+prolog_pr (s, last)
char *s;
char *last; /* Name of last clause. */
{
len = pos;
pos = skip_spaces (s + pos) - s;
- if ((s[pos] == '(') || (s[pos] == '.'))
- {
- if (s[pos] == '(')
- pos++;
-
- /* Save only the first clause. */
- if (last == NULL
- || len != (int)strlen (last)
- || !strneq (s, last, len))
+ if ((s[pos] == '.'
+ || (s[pos] == '(' && (pos += 1))
+ || (s[pos] == ':' && s[pos + 1] == '-' && (pos += 2)))
+ && (last == NULL /* save only the first clause */
+ || len != strlen (last)
+ || !strneq (s, last, len)))
{
pfnote (savenstr (s, len), TRUE, s, pos, lineno, linecharno);
return len;
}
- }
- return 0;
+ else
+ return 0;
}
/*
fatal ("virtual memory exhausted", (char *)NULL);
return result;
}
+
+/*
+ * Local Variables:
+ * c-indentation-style: gnu
+ * indent-tabs-mode: t
+ * tab-width: 8
+ * c-font-lock-extra-types: ("FILE" "bool" "linebuffer")
+ * End:
+ */
projects / emacs.git / commitdiff