*
* define BYTE_CODE_METER to enable generation of a byte-op usage histogram.
*/
-#define BYTE_CODE_SAFE 1
+/* #define BYTE_CODE_SAFE */
/* #define BYTE_CODE_METER */
\f
\f
Lisp_Object Qbytecode;
-extern Lisp_Object Qand_optional, Qand_rest;
/* Byte codes: */
#define Bcurrent_column 0151
#define Bindent_to 0152
#ifdef BYTE_CODE_SAFE
-#define Bscan_buffer 0153 /* No longer generated as of v18 */
+#define Bscan_buffer 0153 /* No longer generated as of v18. */
#endif
#define Beolp 0154
#define Beobp 0155
#ifdef BYTE_CODE_SAFE
#define Bset_mark 0163 /* this loser is no longer generated as of v18 */
#endif
-#define Binteractive_p 0164 /* Obsolete. */
+#define Binteractive_p 0164 /* Obsolete since Emacs-24.1. */
#define Bforward_char 0165
#define Bforward_word 0166
#define Bdup 0211
#define Bsave_excursion 0212
-#define Bsave_window_excursion 0213 /* Obsolete. */
+#define Bsave_window_excursion 0213 /* Obsolete since Emacs-24.1. */
#define Bsave_restriction 0214
#define Bcatch 0215
#define Bunwind_protect 0216
#define Bcondition_case 0217
-#define Btemp_output_buffer_setup 0220 /* Obsolete. */
-#define Btemp_output_buffer_show 0221 /* Obsolete. */
+#define Btemp_output_buffer_setup 0220 /* Obsolete since Emacs-24.1. */
+#define Btemp_output_buffer_show 0221 /* Obsolete since Emacs-24.1. */
-#define Bunbind_all 0222 /* Obsolete. */
+#define Bunbind_all 0222 /* Obsolete. Never used. */
#define Bset_marker 0223
#define Bmatch_beginning 0224
} while (0)
-DEFUN ("byte-code", Fbyte_code, Sbyte_code, 3, MANY, 0,
+DEFUN ("byte-code", Fbyte_code, Sbyte_code, 3, 3, 0,
doc: /* Function used internally in byte-compiled code.
The first argument, BYTESTR, is a string of byte code;
the second, VECTOR, a vector of constants;
the third, MAXDEPTH, the maximum stack depth used in this function.
-If the third argument is incorrect, Emacs may crash.
-
-If ARGS-TEMPLATE is specified, it is an argument list specification,
-according to which any remaining arguments are pushed on the stack
-before executing BYTESTR.
-
-usage: (byte-code BYTESTR VECTOR MAXDEP &optional ARGS-TEMPLATE &rest ARGS) */)
- (int nargs, Lisp_Object *args)
+If the third argument is incorrect, Emacs may crash. */)
+ (Lisp_Object bytestr, Lisp_Object vector, Lisp_Object maxdepth)
{
- Lisp_Object args_tmpl = nargs >= 4 ? args[3] : Qnil;
- int pnargs = nargs >= 4 ? nargs - 4 : 0;
- Lisp_Object *pargs = nargs >= 4 ? args + 4 : 0;
- return exec_byte_code (args[0], args[1], args[2], args_tmpl, pnargs, pargs);
+ return exec_byte_code (bytestr, vector, maxdepth, Qnil, 0, NULL);
}
/* Execute the byte-code in BYTESTR. VECTOR is the constant vector, and
Lisp_Object
exec_byte_code (Lisp_Object bytestr, Lisp_Object vector, Lisp_Object maxdepth,
- Lisp_Object args_template, int nargs, Lisp_Object *args)
+ Lisp_Object args_template, ptrdiff_t nargs, Lisp_Object *args)
{
- int count = SPECPDL_INDEX ();
+ ptrdiff_t count = SPECPDL_INDEX ();
#ifdef BYTE_CODE_METER
int this_op = 0;
int prev_op;
/* Lisp_Object v1, v2; */
Lisp_Object *vectorp;
#ifdef BYTE_CODE_SAFE
- int const_length = XVECTOR (vector)->size;
+ ptrdiff_t const_length;
Lisp_Object *stacke;
-#endif
int bytestr_length;
+#endif
struct byte_stack stack;
Lisp_Object *top;
Lisp_Object result;
CHECK_STRING (bytestr);
CHECK_VECTOR (vector);
- CHECK_NUMBER (maxdepth);
+ CHECK_NATNUM (maxdepth);
+
+#ifdef BYTE_CODE_SAFE
+ const_length = ASIZE (vector);
+#endif
if (STRING_MULTIBYTE (bytestr))
/* BYTESTR must have been produced by Emacs 20.2 or the earlier
convert them back to the originally intended unibyte form. */
bytestr = Fstring_as_unibyte (bytestr);
+#ifdef BYTE_CODE_SAFE
bytestr_length = SBYTES (bytestr);
+#endif
vectorp = XVECTOR (vector)->contents;
stack.byte_string = bytestr;
if (INTEGERP (args_template))
{
- int at = XINT (args_template);
+ EMACS_INT at = XINT (args_template);
int rest = at & 128;
int mandatory = at & 127;
- int nonrest = at >> 8;
+ EMACS_INT nonrest = at >> 8;
eassert (mandatory <= nonrest);
if (nargs <= nonrest)
{
- int i;
+ EMACS_INT i;
for (i = 0 ; i < nargs; i++, args++)
PUSH (*args);
if (nargs < mandatory)
}
else if (rest)
{
- int i;
+ ptrdiff_t i;
for (i = 0 ; i < nonrest; i++, args++)
PUSH (*args);
PUSH (Flist (nargs - nonrest, args));
{
Lisp_Object v1;
v1 = TOP;
- TOP = CAR (v1);
+ if (CONSP (v1))
+ TOP = XCAR (v1);
+ else if (NILP (v1))
+ TOP = Qnil;
+ else
+ {
+ BEFORE_POTENTIAL_GC ();
+ wrong_type_argument (Qlistp, v1);
+ AFTER_POTENTIAL_GC ();
+ }
break;
}
{
Lisp_Object v1;
v1 = TOP;
- TOP = CDR (v1);
+ if (CONSP (v1))
+ TOP = XCDR (v1);
+ else if (NILP (v1))
+ TOP = Qnil;
+ else
+ {
+ BEFORE_POTENTIAL_GC ();
+ wrong_type_argument (Qlistp, v1);
+ AFTER_POTENTIAL_GC ();
+ }
+ break;
break;
}
AFTER_POTENTIAL_GC ();
break;
- case Bunbind_all: /* Obsolete. */
+ case Bunbind_all: /* Obsolete. Never used. */
/* To unbind back to the beginning of this frame. Not used yet,
but will be needed for tail-recursion elimination. */
BEFORE_POTENTIAL_GC ();
save_excursion_save ());
break;
- case Bsave_current_buffer: /* Obsolete. */
+ case Bsave_current_buffer: /* Obsolete since ??. */
case Bsave_current_buffer_1:
record_unwind_protect (set_buffer_if_live, Fcurrent_buffer ());
break;
- case Bsave_window_excursion: /* Obsolete. */
+ case Bsave_window_excursion: /* Obsolete since 24.1. */
{
- register int count = SPECPDL_INDEX ();
+ register ptrdiff_t count1 = SPECPDL_INDEX ();
record_unwind_protect (Fset_window_configuration,
Fcurrent_window_configuration (Qnil));
BEFORE_POTENTIAL_GC ();
TOP = Fprogn (TOP);
- unbind_to (count, TOP);
+ unbind_to (count1, TOP);
AFTER_POTENTIAL_GC ();
break;
}
save_restriction_save ());
break;
- case Bcatch: /* FIXME: ill-suited for lexbind */
+ case Bcatch: /* FIXME: ill-suited for lexbind. */
{
Lisp_Object v1;
BEFORE_POTENTIAL_GC ();
break;
}
- case Bunwind_protect: /* FIXME: avoid closure for lexbind */
+ case Bunwind_protect: /* FIXME: avoid closure for lexbind. */
record_unwind_protect (Fprogn, POP);
break;
- case Bcondition_case: /* FIXME: ill-suited for lexbind */
+ case Bcondition_case: /* FIXME: ill-suited for lexbind. */
{
Lisp_Object handlers, body;
handlers = POP;
break;
}
- case Btemp_output_buffer_setup: /* Obsolete. */
+ case Btemp_output_buffer_setup: /* Obsolete since 24.1. */
BEFORE_POTENTIAL_GC ();
CHECK_STRING (TOP);
temp_output_buffer_setup (SSDATA (TOP));
TOP = Vstandard_output;
break;
- case Btemp_output_buffer_show: /* Obsolete. */
+ case Btemp_output_buffer_show: /* Obsolete since 24.1. */
{
Lisp_Object v1;
BEFORE_POTENTIAL_GC ();
case Bnth:
{
Lisp_Object v1, v2;
+ EMACS_INT n;
BEFORE_POTENTIAL_GC ();
v1 = POP;
v2 = TOP;
CHECK_NUMBER (v2);
- AFTER_POTENTIAL_GC ();
- op = XINT (v2);
+ n = XINT (v2);
immediate_quit = 1;
- while (--op >= 0 && CONSP (v1))
+ while (--n >= 0 && CONSP (v1))
v1 = XCDR (v1);
immediate_quit = 0;
TOP = CAR (v1);
+ AFTER_POTENTIAL_GC ();
break;
}
AFTER_POTENTIAL_GC ();
break;
- case Binteractive_p: /* Obsolete. */
+ case Binteractive_p: /* Obsolete since 24.1. */
PUSH (Finteractive_p ());
break;
if (CONSP (TOP))
{
/* Exchange args and then do nth. */
+ EMACS_INT n;
BEFORE_POTENTIAL_GC ();
v2 = POP;
v1 = TOP;
CHECK_NUMBER (v2);
AFTER_POTENTIAL_GC ();
- op = XINT (v2);
+ n = XINT (v2);
immediate_quit = 1;
- while (--op >= 0 && CONSP (v1))
+ while (--n >= 0 && CONSP (v1))
v1 = XCDR (v1);
immediate_quit = 0;
TOP = CAR (v1);
PUSH (*ptr);
break;
}
- /* stack-set-0 = discard; stack-set-1 = discard-1-preserve-tos. */
case Bstack_set:
+ /* stack-set-0 = discard; stack-set-1 = discard-1-preserve-tos. */
{
Lisp_Object *ptr = top - (FETCH);
*ptr = POP;
void
syms_of_bytecode (void)
{
- Qbytecode = intern_c_string ("byte-code");
- staticpro (&Qbytecode);
+ DEFSYM (Qbytecode, "byte-code");
defsubr (&Sbyte_code);
byte_metering_on = 0;
Vbyte_code_meter = Fmake_vector (make_number (256), make_number (0));
- Qbyte_code_meter = intern_c_string ("byte-code-meter");
- staticpro (&Qbyte_code_meter);
+ DEFSYM (Qbyte_code_meter, "byte-code-meter");
{
int i = 256;
while (i--)
HCoop / bpt / emacs.git / blobdiff