/* Fundamental definitions for GNU Emacs Lisp interpreter.
- Copyright (C) 1985,86,87,93,94,95,97,98,1999,2000
+ Copyright (C) 1985,86,87,93,94,95,97,98,1999,2000, 2001
Free Software Foundation, Inc.
This file is part of GNU Emacs.
#define P_(proto) ()
#endif
+/* Define this temporarily to hunt a bug. If defined, the size of
+ strings is redundantly recorded in sdata structures so that it can
+ be compared to the sizes recorded in Lisp strings. */
+
+#define GC_CHECK_STRING_BYTES 1
+
/* These are default choices for the types to use. */
#ifdef _LP64
#endif
+/* Used for making sure that Emacs is compilable in all
+ conigurations. */
+
+#ifdef USE_LISP_UNION_TYPE
+#undef NO_UNION_TYPE
+#endif
+
/* Define an Emacs version of "assert", since some system ones are
flaky. */
#ifndef ENABLE_CHECKING
{
/* Used for comparing two Lisp_Objects;
also, positive integers can be accessed fast this way. */
- int i;
+ EMACS_INT i;
struct
{
- int val: VALBITS;
- int type: GCTYPEBITS+1;
+ EMACS_INT val : VALBITS;
+ EMACS_INT type : GCTYPEBITS + 1;
} s;
struct
{
- unsigned int val: VALBITS;
- int type: GCTYPEBITS+1;
+ EMACS_UINT val : VALBITS;
+ EMACS_INT type : GCTYPEBITS + 1;
} u;
struct
{
- unsigned int val: VALBITS;
- enum Lisp_Type type: GCTYPEBITS;
+ EMACS_UINT val : VALBITS;
+ enum Lisp_Type type : GCTYPEBITS;
/* The markbit is not really part of the value of a Lisp_Object,
and is always zero except during garbage collection. */
- unsigned int markbit: 1;
+ EMACS_UINT markbit : 1;
} gu;
}
Lisp_Object;
{
/* Used for comparing two Lisp_Objects;
also, positive integers can be accessed fast this way. */
- int i;
+ EMACS_INT i;
struct
{
- int type: GCTYPEBITS+1;
- int val: VALBITS;
+ EMACS_INT type : GCTYPEBITS+1;
+ EMACS_INT val : VALBITS;
} s;
struct
{
- int type: GCTYPEBITS+1;
- unsigned int val: VALBITS;
+ EMACS_INT type : GCTYPEBITS+1;
+ EMACS_UINT val : VALBITS;
} u;
struct
{
/* The markbit is not really part of the value of a Lisp_Object,
and is always zero except during garbage collection. */
- unsigned int markbit: 1;
- enum Lisp_Type type: GCTYPEBITS;
- unsigned int val: VALBITS;
+ EMACS_UINT markbit : 1;
+ enum Lisp_Type type : GCTYPEBITS;
+ EMACS_UINT val : VALBITS;
} gu;
}
Lisp_Object;
/* Extract the value of a Lisp_Object as a signed integer. */
#ifndef XINT /* Some machines need to do this differently. */
-#define XINT(a) (((a) << (BITS_PER_EMACS_INT-VALBITS)) >> (BITS_PER_EMACS_INT-VALBITS))
+#define XINT(a) ((EMACS_INT) (((a) << (BITS_PER_EMACS_INT - VALBITS)) \
+ >> (BITS_PER_EMACS_INT - VALBITS)))
#endif
/* Extract the value as an unsigned integer. This is a basis
for extracting it as a pointer to a structure in storage. */
#ifndef XUINT
-#define XUINT(a) ((a) & VALMASK)
+#define XUINT(a) ((EMACS_UINT) ((a) & VALMASK))
#endif
#ifndef XPNTR
#ifdef EXPLICIT_SIGN_EXTEND
/* Make sure we sign-extend; compilers have been known to fail to do so. */
-#define XINT(a) (((a).i << (BITS_PER_INT-VALBITS)) >> (BITS_PER_INT-VALBITS))
+#define XINT(a) (((a).i << (BITS_PER_EMACS_INT - VALBITS)) \
+ >> (BITS_PER_EMACS_INT - VALBITS))
#else
#define XINT(a) ((a).s.val)
#endif /* EXPLICIT_SIGN_EXTEND */
#define XPNTR(a) ((a).u.val)
#define XSET(var, vartype, ptr) \
- (((var).s.val = ((int) (ptr))), ((var).s.type = ((char) (vartype))))
+ (((var).s.val = ((EMACS_INT) (ptr))), ((var).s.type = ((char) (vartype))))
#if __GNUC__ >= 2 && defined (__OPTIMIZE__)
#define make_number(N) \
(XSTRING (STR)->size_byte >= 0)
/* Return the length in bytes of STR. */
+
+#ifdef GC_CHECK_STRING_BYTES
+
+struct Lisp_String;
+extern int string_bytes P_ ((struct Lisp_String *));
+#define STRING_BYTES(S) string_bytes ((S))
+
+#else /* not GC_CHECK_STRING_BYTES */
+
#define STRING_BYTES(STR) \
((STR)->size_byte < 0 ? (STR)->size : (STR)->size_byte)
+#endif /* not GC_CHECK_STRING_BYTES */
+
/* Set the length in bytes of STR. */
#define SET_STRING_BYTES(STR, SIZE) ((STR)->size_byte = (SIZE))
extern struct specbinding *specpdl_ptr;
extern int specpdl_size;
+#define BINDING_STACK_SIZE() (specpdl_ptr - specpdl)
+
/* Everything needed to describe an active condition case. */
struct handler
{
extern struct gcpro *gcprolist;
struct gcpro
- {
- struct gcpro *next;
- Lisp_Object *var; /* Address of first protected variable */
- int nvars; /* Number of consecutive protected variables */
+{
+ struct gcpro *next;
+
+ /* Address of first protected variable. */
+ volatile Lisp_Object *var;
+
+ /* Number of consecutive protected variables. */
+ int nvars;
+
#ifdef DEBUG_GCPRO
- int level;
+ int level;
#endif
- };
+};
/* Values of GC_MARK_STACK during compilation:
EXFUN (Fadd1, 1);
EXFUN (Fsub1, 1);
+EXFUN (Fmake_variable_buffer_local, 1);
extern Lisp_Object long_to_cons P_ ((unsigned long));
extern unsigned long cons_to_long P_ ((Lisp_Object));
extern void args_out_of_range P_ ((Lisp_Object, Lisp_Object));
extern void args_out_of_range_3 P_ ((Lisp_Object, Lisp_Object, Lisp_Object));
-extern Lisp_Object wrong_type_argument P_ ((Lisp_Object, Lisp_Object)) NO_RETURN;
+extern Lisp_Object wrong_type_argument P_ ((Lisp_Object, Lisp_Object));
extern void store_symval_forwarding P_ ((Lisp_Object, Lisp_Object, Lisp_Object));
extern Lisp_Object do_symval_forwarding P_ ((Lisp_Object));
extern Lisp_Object set_internal P_ ((Lisp_Object, Lisp_Object, struct buffer *, int));
EXFUN (Ffind_operation_coding_system, MANY);
EXFUN (Fencode_coding_string, 3);
EXFUN (Fdecode_coding_string, 3);
-extern Lisp_Object detect_coding_system P_ ((unsigned char *, int, int));
+extern Lisp_Object detect_coding_system P_ ((unsigned char *, int, int, int));
Lisp_Object code_convert_string_norecord P_ ((Lisp_Object, Lisp_Object, int));
extern void init_coding P_ ((void));
extern void init_coding_once P_ ((void));
extern void safe_bcopy P_ ((char *, char *, int));
/* Defined in xdisp.c */
+extern Lisp_Object Qinhibit_point_motion_hooks;
extern Lisp_Object Qinhibit_redisplay, Qdisplay;
extern Lisp_Object Qmessage_truncate_lines;
extern Lisp_Object Vmessage_log_max;
extern void check_message_stack P_ ((void));
extern void setup_echo_area_for_printing P_ ((int));
extern int push_message P_ ((void));
+extern Lisp_Object push_message_unwind P_ ((Lisp_Object));
extern void pop_message P_ ((void));
extern void restore_message P_ ((void));
extern Lisp_Object current_message P_ ((void));
extern void redisplay P_ ((void));
extern int check_point_in_composition
P_ ((struct buffer *, int, struct buffer *, int));
-extern void redisplay_preserve_echo_area P_ ((void));
+extern void redisplay_preserve_echo_area P_ ((int));
extern void mark_window_display_accurate P_ ((Lisp_Object, int));
extern int invisible_p P_ ((Lisp_Object, Lisp_Object));
extern void prepare_menu_bars P_ ((void));
extern void syms_of_xdisp P_ ((void));
extern void init_xdisp P_ ((void));
-extern Lisp_Object eval_form P_ ((Lisp_Object));
+extern Lisp_Object safe_eval P_ ((Lisp_Object));
+extern int pos_visible_p P_ ((struct window *, int, int *, int));
/* Defined in vm-limit.c. */
extern void memory_warnings P_ ((POINTER_TYPE *, void (*warnfun) ()));
EXFUN (Fthrow, 2) NO_RETURN;
EXFUN (Funwind_protect, UNEVALLED);
EXFUN (Fcondition_case, UNEVALLED);
-EXFUN (Fsignal, 2) NO_RETURN;
+EXFUN (Fsignal, 2);
EXFUN (Fautoload, 5);
EXFUN (Fcommandp, 1);
EXFUN (Feval, 1);
extern Lisp_Object un_autoload P_ ((Lisp_Object));
EXFUN (Ffetch_bytecode, 1);
extern void init_eval_once P_ ((void));
-extern Lisp_Object call_function P_ ((int, Lisp_Object *));
+extern Lisp_Object safe_call P_ ((int, Lisp_Object *));
+extern Lisp_Object safe_call1 P_ ((Lisp_Object, Lisp_Object));
extern void init_eval P_ ((void));
extern void syms_of_eval P_ ((void));
extern Lisp_Object get_truename_buffer P_ ((Lisp_Object));
extern struct buffer *all_buffers;
EXFUN (Fprevious_overlay_change, 1);
+EXFUN (Fbuffer_file_name, 1);
extern void init_buffer_once P_ ((void));
extern void init_buffer P_ ((void));
extern void syms_of_buffer P_ ((void));
EXFUN (Fset_match_data, 1);
EXFUN (Fmatch_beginning, 1);
EXFUN (Fmatch_end, 1);
+EXFUN (Flooking_at, 1);
extern int fast_string_match P_ ((Lisp_Object, Lisp_Object));
extern int fast_c_string_match_ignore_case P_ ((Lisp_Object, char *));
extern int scan_buffer P_ ((int, int, int, int, int *, int));
extern void init_keyboard P_ ((void));
extern void syms_of_keyboard P_ ((void));
extern void keys_of_keyboard P_ ((void));
+extern char *push_key_description P_ ((unsigned int, char *, int));
/* defined in keymap.c */
+#define KEYMAPP(m) (!NILP (get_keymap (m, 0, 0)))
extern Lisp_Object Qkeymap, Qmenu_bar;
extern Lisp_Object current_global_map;
EXFUN (Fmake_sparse_keymap, 1);
EXFUN (Fkey_description, 1);
EXFUN (Fsingle_key_description, 2);
EXFUN (Fwhere_is_internal, 4);
-extern Lisp_Object access_keymap P_ ((Lisp_Object, Lisp_Object, int, int));
+extern Lisp_Object access_keymap P_ ((Lisp_Object, Lisp_Object, int, int, int));
extern Lisp_Object get_keyelt P_ ((Lisp_Object, int));
-extern Lisp_Object get_keymap P_ ((Lisp_Object));
-extern Lisp_Object get_keymap_1 P_ ((Lisp_Object, int, int));
+extern Lisp_Object get_keymap P_ ((Lisp_Object, int, int));
extern void describe_vector P_ ((Lisp_Object, Lisp_Object,
void (*) (Lisp_Object), int,
Lisp_Object, Lisp_Object, int *, int));
extern int compare_window_configurations P_ ((Lisp_Object, Lisp_Object, int));
EXFUN (Fcoordinates_in_window_p, 2);
EXFUN (Fwindow_at, 3);
-EXFUN (Fpos_visible_in_window_p, 2);
+EXFUN (Fpos_visible_in_window_p, 3);
extern void mark_window_cursors_off P_ ((struct window *));
extern int window_internal_height P_ ((struct window *));
extern int window_internal_width P_ ((struct window *));
/* Defined in term.c */
extern void syms_of_term P_ ((void));
-extern void fatal ();
+extern void fatal () NO_RETURN;
#ifdef HAVE_X_WINDOWS
/* Defined in fontset.c */