static int scan_file (char *filename);
static int scan_lisp_file (const char *filename, const char *mode);
static int scan_c_file (char *filename, const char *mode);
-static void fatal (const char *s1, const char *s2) NO_RETURN;
static void start_globals (void);
static void write_globals (void);
/* Print error message and exit. */
/* VARARGS1 */
-static void
+static _Noreturn void
fatal (const char *s1, const char *s2)
{
error (s1, s2);
/* The types of globals. */
enum global_type
{
+ FUNCTION,
EMACS_INTEGER,
BOOLEAN,
LISP_OBJECT,
{
enum global_type type;
char *name;
+ int value;
};
/* All the variable names we saw while scanning C sources in `-g'
struct global *globals;
static void
-add_global (enum global_type type, char *name)
+add_global (enum global_type type, char *name, int value)
{
/* Ignore the one non-symbol that can occur. */
if (strcmp (name, "..."))
globals[num_globals - 1].type = type;
globals[num_globals - 1].name = name;
+ globals[num_globals - 1].value = value;
}
}
{
const struct global *ga = a;
const struct global *gb = b;
+
+ if (ga->type == FUNCTION)
+ {
+ if (gb->type != FUNCTION)
+ return 1;
+ }
+ else if (gb->type == FUNCTION)
+ return -1;
+
return strcmp (ga->name, gb->name);
}
+static void
+close_emacs_globals (void)
+{
+ fprintf (outfile, "};\n");
+ fprintf (outfile, "extern struct emacs_globals globals;\n");
+}
+
static void
write_globals (void)
{
- int i;
+ int i, seen_defun = 0;
qsort (globals, num_globals, sizeof (struct global), compare_globals);
for (i = 0; i < num_globals; ++i)
{
case LISP_OBJECT:
type = "Lisp_Object";
break;
+ case FUNCTION:
+ if (!seen_defun)
+ {
+ close_emacs_globals ();
+ fprintf (outfile, "\n");
+ seen_defun = 1;
+ }
+ break;
default:
fatal ("not a recognized DEFVAR_", 0);
}
- fprintf (outfile, " %s f_%s;\n", type, globals[i].name);
- fprintf (outfile, "#define %s globals.f_%s\n",
- globals[i].name, globals[i].name);
+ if (globals[i].type != FUNCTION)
+ {
+ fprintf (outfile, " %s f_%s;\n", type, globals[i].name);
+ fprintf (outfile, "#define %s globals.f_%s\n",
+ globals[i].name, globals[i].name);
+ }
+ else
+ {
+ /* It would be nice to have a cleaner way to deal with these
+ special hacks. */
+ if (strcmp (globals[i].name, "Fthrow") == 0
+ || strcmp (globals[i].name, "Ftop_level") == 0
+ || strcmp (globals[i].name, "Fkill_emacs") == 0)
+ fprintf (outfile, "_Noreturn ");
+ fprintf (outfile, "EXFUN (%s, ", globals[i].name);
+ if (globals[i].value == -1)
+ fprintf (outfile, "MANY");
+ else if (globals[i].value == -2)
+ fprintf (outfile, "UNEVALLED");
+ else
+ fprintf (outfile, "%d", globals[i].value);
+ fprintf (outfile, ");\n");
+ }
+
while (i + 1 < num_globals
&& !strcmp (globals[i].name, globals[i + 1].name))
++i;
}
- fprintf (outfile, "};\n");
- fprintf (outfile, "extern struct emacs_globals globals;\n");
+ if (!seen_defun)
+ close_emacs_globals ();
}
\f
int defvarperbufferflag = 0;
int defvarflag = 0;
enum global_type type = INVALID;
+ char *name;
if (c != '\n' && c != '\r')
{
}
else continue;
- if (generate_globals && (!defvarflag || defvarperbufferflag
- || type == INVALID))
+ if (generate_globals
+ && (!defvarflag || defvarperbufferflag || type == INVALID)
+ && !defunflag)
continue;
while (c != '(')
if (generate_globals)
{
int i = 0;
- char *name;
/* Skip "," and whitespace. */
do
name = xmalloc (i + 1);
memcpy (name, input_buffer, i + 1);
- add_global (type, name);
- continue;
+
+ if (!defunflag)
+ {
+ add_global (type, name, 0);
+ continue;
+ }
}
/* DEFVAR_LISP ("name", addr, "doc")
DEFVAR_LISP ("name", addr, doc: /\* doc *\/) */
if (defunflag)
- commas = 5;
+ commas = generate_globals ? 4 : 5;
else if (defvarperbufferflag)
commas = 3;
else if (defvarflag)
scanned = fscanf (infile, "%d", &minargs);
else /* Pick up maxargs. */
if (c == 'M' || c == 'U') /* MANY || UNEVALLED */
- maxargs = -1;
+ {
+ if (generate_globals)
+ maxargs = (c == 'M') ? -1 : -2;
+ else
+ maxargs = -1;
+ }
else
scanned = fscanf (infile, "%d", &maxargs);
if (scanned < 0)
c = getc (infile);
}
+ if (generate_globals)
+ {
+ add_global (FUNCTION, name, maxargs);
+ continue;
+ }
+
while (c == ' ' || c == '\n' || c == '\r' || c == '\t')
c = getc (infile);