/* Fundamental definitions for GNU Emacs Lisp interpreter.
- Copyright (C) 1985,86,87,93,94,95,97,98,1999,2000,01,02,03,2004
- Free Software Foundation, Inc.
+ Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1997, 1998, 1999, 2000,
+ 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of GNU Emacs.
You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
#ifndef EMACS_LISP_H
#define EMACS_LISP_H
be compared to the sizes recorded in Lisp strings. */
#define GC_CHECK_STRING_BYTES 1
+
+/* Define this to check for short string overrun. */
+
+#define GC_CHECK_STRING_OVERRUN 1
+
+/* Define this to check the string free list. */
+
+#define GC_CHECK_STRING_FREE_LIST 1
+
+/* Define this to check for malloc buffer overrun. */
+
+#define XMALLOC_OVERRUN_CHECK 1
+
+/* Define this to check for errors in cons list. */
+/* #define GC_CHECK_CONS_LIST 1 */
+
#endif /* 0 */
+#ifdef GC_CHECK_CONS_LIST
+#define CHECK_CONS_LIST() check_cons_list()
+#else
+#define CHECK_CONS_LIST() 0
+#endif
/* These are default choices for the types to use. */
#ifdef _LP64
/* If union type is not wanted, define Lisp_Object as just a number. */
#ifdef NO_UNION_TYPE
-#define Lisp_Object EMACS_INT
+typedef EMACS_INT Lisp_Object;
#define LISP_MAKE_RVALUE(o) (0+(o))
#endif /* NO_UNION_TYPE */
/* First, try and define DECL_ALIGN(type,var) which declares a static
variable VAR of type TYPE with the added requirement that it be
TYPEBITS-aligned. */
-#ifndef DECL_ALIGN
+#ifndef NO_DECL_ALIGN
+# ifndef DECL_ALIGN
/* What compiler directive should we use for non-gcc compilers? -stef */
-# if defined (__GNUC__)
-# define DECL_ALIGN(type, var) \
- type __attribute__ ((__aligned__ (1 << GCTYPEBITS))) var
+# if defined (__GNUC__)
+# define DECL_ALIGN(type, var) \
+ type __attribute__ ((__aligned__ (1 << GCTYPEBITS))) var
+# endif
# endif
#endif
# endif
#endif
-/* Just remove the alignment annotation if we don't use it. */
+/* If we cannot use 8-byte alignment, make DECL_ALIGN a no-op. */
#ifndef DECL_ALIGN
# ifdef USE_LSB_TAG
# error "USE_LSB_TAG used without defining DECL_ALIGN"
#define make_number(N) \
(__extension__ ({ Lisp_Object _l; _l.s.val = (N); _l.s.type = Lisp_Int; _l; }))
#else
-extern Lisp_Object make_number ();
+extern Lisp_Object make_number P_ ((EMACS_INT));
#endif
-#define EQ(x, y) ((x).s.val == (y).s.val && (x).s.type == (y).s.type)
+#define EQ(x, y) ((x).i == (y).i)
#endif /* NO_UNION_TYPE */
in a Lisp object whose data type says it points to something. */
#define XPNTR(a) (XUINT (a) | DATA_SEG_BITS)
#else
-#define XPNTR(a) XUINT (a)
+/* Some versions of gcc seem to consider the bitfield width when
+ issuing the "cast to pointer from integer of different size"
+ warning, so the cast is here to widen the value back to its natural
+ size. */
+#define XPNTR(a) ((EMACS_INT) XUINT (a))
#endif
#endif /* not HAVE_SHM */
#endif /* no XPNTR */
/* Please do not use the names of these elements in code other
than the core lisp implementation. Use XCAR and XCDR below. */
#ifdef HIDE_LISP_IMPLEMENTATION
- Lisp_Object car_, cdr_;
+ Lisp_Object car_;
+ union
+ {
+ Lisp_Object cdr_;
+ struct Lisp_Cons *chain;
+ } u;
#else
- Lisp_Object car, cdr;
+ Lisp_Object car;
+ union
+ {
+ Lisp_Object cdr;
+ struct Lisp_Cons *chain;
+ } u;
#endif
};
invalidated at arbitrary points.) */
#ifdef HIDE_LISP_IMPLEMENTATION
#define XCAR_AS_LVALUE(c) (XCONS ((c))->car_)
-#define XCDR_AS_LVALUE(c) (XCONS ((c))->cdr_)
+#define XCDR_AS_LVALUE(c) (XCONS ((c))->u.cdr_)
#else
#define XCAR_AS_LVALUE(c) (XCONS ((c))->car)
-#define XCDR_AS_LVALUE(c) (XCONS ((c))->cdr)
+#define XCDR_AS_LVALUE(c) (XCONS ((c))->u.cdr)
#endif
/* Use these from normal code. */
indexed by (charset-id + 128). */
#define CHAR_TABLE_ORDINARY_SLOTS 384
+/* These are the slot of the default values for single byte
+ characters. As 0x9A is never be a charset-id, it is safe to use
+ that slot for ASCII. 0x9E and 0x80 are charset-ids of
+ eight-bit-control and eight-bit-graphic respectively. */
+#define CHAR_TABLE_DEFAULT_SLOT_ASCII (0x9A + 128)
+#define CHAR_TABLE_DEFAULT_SLOT_8_BIT_CONTROL (0x9E + 128)
+#define CHAR_TABLE_DEFAULT_SLOT_8_BIT_GRAPHIC (0x80 + 128)
+
/* This is the number of slots that apply to characters of ASCII and
8-bit Europeans only. */
#define CHAR_TABLE_SINGLE_BYTE_SLOTS 256
{
int type : 16; /* = Lisp_Misc_Save_Value */
unsigned gcmarkbit : 1;
- int spacer : 15;
+ int spacer : 14;
+ /* If DOGC is set, POINTER is the address of a memory
+ area containing INTEGER potential Lisp_Objects. */
+ unsigned int dogc : 1;
void *pointer;
int integer;
};
/* Lisp floating point type */
struct Lisp_Float
{
+ union
+ {
#ifdef HIDE_LISP_IMPLEMENTATION
- double data_;
+ double data_;
#else
- double data;
+ double data;
#endif
+ struct Lisp_Float *chain;
+ } u;
};
#ifdef HIDE_LISP_IMPLEMENTATION
-#define XFLOAT_DATA(f) (XFLOAT (f)->data_)
+#define XFLOAT_DATA(f) (XFLOAT (f)->u.data_)
#else
-#define XFLOAT_DATA(f) (XFLOAT (f)->data)
+#define XFLOAT_DATA(f) (XFLOAT (f)->u.data)
#endif
/* A character, declared with the following typedef, is a member
\f
/* Data type checking */
-#define NILP(x) (XFASTINT (x) == XFASTINT (Qnil))
+#define NILP(x) EQ (x, Qnil)
#define GC_NILP(x) GC_EQ (x, Qnil)
#define NUMBERP(x) (INTEGERP (x) || FLOATP (x))
#define DEFVAR_LISP_NOPRO(lname, vname, doc) defvar_lisp_nopro (lname, vname)
#define DEFVAR_BOOL(lname, vname, doc) defvar_bool (lname, vname)
#define DEFVAR_INT(lname, vname, doc) defvar_int (lname, vname)
+
+/* TYPE is nil for a general Lisp variable.
+ An integer specifies a type; then only LIsp values
+ with that type code are allowed (except that nil is allowed too).
+ LNAME is the LIsp-level variable name.
+ VNAME is the name of the buffer slot.
+ DOC is a dummy where you write the doc string as a comment. */
#define DEFVAR_PER_BUFFER(lname, vname, type, doc) \
defvar_per_buffer (lname, vname, type, 0)
+
#define DEFVAR_KBOARD(lname, vname, doc) \
defvar_kboard (lname, \
(int)((char *)(¤t_kboard->vname) \
#ifdef SYNC_INPUT
extern void handle_async_input P_ ((void));
extern int interrupt_input_pending;
+
#define QUIT \
do { \
if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
{ \
+ Lisp_Object flag = Vquit_flag; \
Vquit_flag = Qnil; \
+ if (EQ (Vthrow_on_input, flag)) \
+ Fthrow (Vthrow_on_input, Qt); \
Fsignal (Qquit, Qnil); \
} \
else if (interrupt_input_pending) \
do { \
if (!NILP (Vquit_flag) && NILP (Vinhibit_quit)) \
{ \
+ Lisp_Object flag = Vquit_flag; \
Vquit_flag = Qnil; \
+ if (EQ (Vthrow_on_input, flag)) \
+ Fthrow (Vthrow_on_input, Qt); \
Fsignal (Qquit, Qnil); \
} \
} while (0)
NATNUMP (case_temp2)) \
? XFASTINT (case_temp2) : case_temp1)
-extern Lisp_Object Vascii_downcase_table;
+extern Lisp_Object Vascii_downcase_table, Vascii_upcase_table;
+extern Lisp_Object Vascii_canon_table, Vascii_eqv_table;
\f
/* Number of bytes of structure consed since last GC. */
extern int consing_since_gc;
-/* Threshold for doing another gc. */
+/* Thresholds for doing another gc. */
extern EMACS_INT gc_cons_threshold;
+extern EMACS_INT gc_relative_threshold;
+
+extern EMACS_INT memory_full_cons_threshold;
+
/* Structure for recording stack slots that need marking. */
/* This is a chain of structures, each of which points at a Lisp_Object variable
EXFUN (Fmember, 2);
EXFUN (Frassq, 2);
EXFUN (Fdelq, 2);
+EXFUN (Fdelete, 2);
EXFUN (Fsort, 2);
EXFUN (Freverse, 1);
EXFUN (Fnreverse, 1);
extern int string_char_to_byte P_ ((Lisp_Object, int));
extern int string_byte_to_char P_ ((Lisp_Object, int));
extern Lisp_Object string_make_multibyte P_ ((Lisp_Object));
+extern Lisp_Object string_to_multibyte P_ ((Lisp_Object));
extern Lisp_Object string_make_unibyte P_ ((Lisp_Object));
EXFUN (Fcopy_alist, 1);
EXFUN (Fplist_get, 2);
extern void init_fringe_once P_ ((void));
/* Defined in image.c */
+EXFUN (Finit_image_library, 2);
extern void syms_of_image P_ ((void));
extern void init_image P_ ((void));
extern void adjust_after_replace_noundo P_ ((int, int, int, int, int, int));
extern void adjust_after_insert P_ ((int, int, int, int, int));
extern void replace_range P_ ((int, int, Lisp_Object, int, int, int));
+extern void replace_range_2 P_ ((int, int, int, int, char *, int, int, int));
extern void syms_of_insdel P_ ((void));
/* Defined in dispnew.c */
extern void init_xdisp P_ ((void));
extern Lisp_Object safe_eval P_ ((Lisp_Object));
extern int pos_visible_p P_ ((struct window *, int, int *,
- int *, int *, int));
+ int *, int *, int *, int));
/* Defined in vm-limit.c. */
extern void memory_warnings P_ ((POINTER_TYPE *, void (*warnfun) ()));
/* Defined in alloc.c */
extern void check_pure_size P_ ((void));
extern void allocate_string_data P_ ((struct Lisp_String *, int, int));
+extern void reset_malloc_hooks P_ ((void));
extern void uninterrupt_malloc P_ ((void));
extern void malloc_warning P_ ((char *));
extern void memory_full P_ ((void));
extern void display_malloc_warning P_ ((void));
extern int inhibit_garbage_collection P_ ((void));
extern Lisp_Object make_save_value P_ ((void *, int));
+extern void free_misc P_ ((Lisp_Object));
extern void free_marker P_ ((Lisp_Object));
extern void free_cons P_ ((struct Lisp_Cons *));
extern void init_alloc_once P_ ((void));
extern void init_alloc P_ ((void));
extern void syms_of_alloc P_ ((void));
extern struct buffer * allocate_buffer P_ ((void));
+extern int valid_lisp_object_p P_ ((Lisp_Object));
/* Defined in print.c */
extern Lisp_Object Vprin1_to_string_buffer;
EXFUN (Fdo_auto_save, 2);
extern Lisp_Object apply_lambda P_ ((Lisp_Object, Lisp_Object, int));
extern Lisp_Object internal_catch P_ ((Lisp_Object, Lisp_Object (*) (Lisp_Object), Lisp_Object));
+extern Lisp_Object internal_lisp_condition_case P_ ((Lisp_Object, Lisp_Object, Lisp_Object));
extern Lisp_Object internal_condition_case P_ ((Lisp_Object (*) (void), Lisp_Object, Lisp_Object (*) (Lisp_Object)));
extern Lisp_Object internal_condition_case_1 P_ ((Lisp_Object (*) (Lisp_Object), Lisp_Object, Lisp_Object, Lisp_Object (*) (Lisp_Object)));
extern Lisp_Object internal_condition_case_2 P_ ((Lisp_Object (*) (int, Lisp_Object *), int, Lisp_Object *, Lisp_Object, Lisp_Object (*) (Lisp_Object)));
EXFUN (Fbuffer_enable_undo, 1);
EXFUN (Ferase_buffer, 0);
extern Lisp_Object Qoverlayp;
+extern Lisp_Object Qevaporate;
extern Lisp_Object get_truename_buffer P_ ((Lisp_Object));
extern struct buffer *all_buffers;
EXFUN (Fprevious_overlay_change, 1);
/* defined in search.c */
extern void shrink_regexp_cache P_ ((void));
EXFUN (Fstring_match, 3);
-extern void restore_match_data P_ ((void));
-EXFUN (Fmatch_data, 2);
-EXFUN (Fset_match_data, 1);
+extern void restore_search_regs P_ ((void));
+EXFUN (Fmatch_data, 3);
+EXFUN (Fset_match_data, 2);
EXFUN (Fmatch_beginning, 1);
EXFUN (Fmatch_end, 1);
+extern void record_unwind_save_match_data P_ ((void));
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, const char *));
+extern int fast_string_match_ignore_case P_ ((Lisp_Object, Lisp_Object));
extern int scan_buffer P_ ((int, int, int, int, int *, int));
extern int scan_newline P_ ((int, int, int, int, int, int));
extern int find_next_newline P_ ((int, int));
extern Lisp_Object last_minibuf_string;
extern void choose_minibuf_frame P_ ((void));
EXFUN (Fcompleting_read, 8);
-EXFUN (Fread_from_minibuffer, 7);
+EXFUN (Fread_from_minibuffer, 8);
EXFUN (Fread_variable, 2);
EXFUN (Fread_buffer, 3);
EXFUN (Fread_minibuffer, 2);
extern void cancel_echoing P_ ((void));
extern Lisp_Object Qdisabled, QCfilter;
extern Lisp_Object Vtty_erase_char, Vhelp_form, Vtop_level;
+extern Lisp_Object Vthrow_on_input;
extern int input_pending;
EXFUN (Fdiscard_input, 0);
EXFUN (Frecursive_edit, 0);
EXFUN (Fread_key_sequence, 5);
EXFUN (Fset_input_mode, 4);
extern int detect_input_pending P_ ((void));
+extern int detect_input_pending_ignore_squeezables P_ ((void));
extern int detect_input_pending_run_timers P_ ((int));
extern void safe_run_hooks P_ ((Lisp_Object));
extern void cmd_error_internal P_ ((Lisp_Object, char *));
extern void syms_of_indent P_ ((void));
/* defined in frame.c */
+#ifdef HAVE_WINDOW_SYSTEM
+extern Lisp_Object Vx_resource_name;
+extern Lisp_Object Vx_resource_class;
+#endif /* HAVE_WINDOW_SYSTEM */
extern Lisp_Object Qvisible;
extern void store_frame_param P_ ((struct frame *, Lisp_Object, Lisp_Object));
extern void store_in_alist P_ ((Lisp_Object *, Lisp_Object, Lisp_Object));
extern Lisp_Object get_frame_param P_ ((struct frame *, Lisp_Object));
extern Lisp_Object frame_buffer_predicate P_ ((Lisp_Object));
EXFUN (Fframep, 1);
-EXFUN (Fselect_frame, 2);
+EXFUN (Fselect_frame, 1);
EXFUN (Fselected_frame, 0);
EXFUN (Fwindow_frame, 1);
EXFUN (Fframe_root_window, 1);
EXFUN (Fwaiting_for_user_input_p, 0);
extern Lisp_Object Qprocessp;
extern void kill_buffer_processes P_ ((Lisp_Object));
-extern int wait_reading_process_input P_ ((int, int, Lisp_Object, int));
-extern void deactivate_process P_ ((Lisp_Object));
+extern int wait_reading_process_output P_ ((int, int, int, int,
+ Lisp_Object,
+ struct Lisp_Process *,
+ int));
extern void add_keyboard_wait_descriptor P_ ((int));
extern void delete_keyboard_wait_descriptor P_ ((int));
extern void close_process_descs P_ ((void));
-extern void status_notify P_ ((void));
-extern int read_process_output P_ ((Lisp_Object, int));
extern void init_process P_ ((void));
extern void syms_of_process P_ ((void));
extern void setup_process_coding_systems P_ ((Lisp_Object));
/* defined in undo.c */
extern Lisp_Object Qinhibit_read_only;
EXFUN (Fundo_boundary, 0);
-extern Lisp_Object truncate_undo_list P_ ((Lisp_Object, int, int));
+extern void truncate_undo_list P_ ((struct buffer *));
extern void record_marker_adjustment P_ ((Lisp_Object, int));
extern void record_insert P_ ((int, int));
extern void record_delete P_ ((int, Lisp_Object));
extern void record_property_change P_ ((int, int, Lisp_Object, Lisp_Object,
Lisp_Object));
extern void syms_of_undo P_ ((void));
+extern Lisp_Object Vundo_outer_limit;
/* defined in textprop.c */
extern Lisp_Object Qfont, Qmouse_face;
/* defined in xmenu.c */
EXFUN (Fx_popup_menu, 2);
-EXFUN (Fx_popup_dialog, 2);
+EXFUN (Fx_popup_dialog, 3);
extern void syms_of_xmenu P_ ((void));
/* defined in sysdep.c */
+#ifndef HAVE_GET_CURRENT_DIR_NAME
+extern char *get_current_dir_name P_ ((void));
+#endif
extern void stuff_char P_ ((char c));
extern void init_sigio P_ ((int));
extern void request_sigio P_ ((void));
#ifdef HAVE_X_WINDOWS
/* Defined in xfns.c */
extern void syms_of_xfns P_ ((void));
-extern Lisp_Object Vx_resource_name;
-extern Lisp_Object Vx_resource_class;
-EXFUN (Fxw_display_color_p, 1);
-EXFUN (Fx_file_dialog, 4);
#endif /* HAVE_X_WINDOWS */
+#ifdef HAVE_WINDOW_SYSTEM
+/* Defined in xfns.c, w32fns.c, or macfns.c */
+EXFUN (Fxw_display_color_p, 1);
+EXFUN (Fx_file_dialog, 5);
+#endif /* HAVE_WINDOW_SYSTEM */
/* Defined in xsmfns.c */
extern void syms_of_xsmfns P_ ((void));
/* Defined in getloadavg.c */
extern int getloadavg P_ ((double [], int));
+
+#ifdef MSDOS
+/* Defined in msdos.c */
+EXFUN (Fmsdos_downcase_filename, 1);
+#endif
\f
/* Nonzero means Emacs has already been initialized.
Used during startup to detect startup of dumped Emacs. */
extern char *xstrdup P_ ((const char *));
-#ifndef USE_CRT_DLL
extern char *egetenv P_ ((char *));
-#endif
/* Set up the name of the machine we're running on. */
extern void init_system_name P_ ((void));
: Fcons ((el), (check)))))
+/* SAFE_ALLOCA normally allocates memory on the stack, but if size is
+ larger than MAX_ALLOCA, use xmalloc to avoid overflowing the stack. */
+
+#define MAX_ALLOCA 16*1024
+
+extern Lisp_Object safe_alloca_unwind (Lisp_Object);
+
+#define USE_SAFE_ALLOCA \
+ int sa_count = SPECPDL_INDEX (), sa_must_free = 0
+
+/* SAFE_ALLOCA allocates a simple buffer. */
+
+#define SAFE_ALLOCA(buf, type, size) \
+ do { \
+ if ((size) < MAX_ALLOCA) \
+ buf = (type) alloca (size); \
+ else \
+ { \
+ buf = (type) xmalloc (size); \
+ sa_must_free++; \
+ record_unwind_protect (safe_alloca_unwind, \
+ make_save_value (buf, 0)); \
+ } \
+ } while (0)
+
+/* SAFE_FREE frees xmalloced memory and enables GC as needed. */
+
+#define SAFE_FREE() \
+ do { \
+ if (sa_must_free) { \
+ sa_must_free = 0; \
+ unbind_to (sa_count, Qnil); \
+ } \
+ } while (0)
+
+
+/* SAFE_ALLOCA_LISP allocates an array of Lisp_Objects. */
+
+#define SAFE_ALLOCA_LISP(buf, nelt) \
+ do { \
+ int size_ = (nelt) * sizeof (Lisp_Object); \
+ if (size_ < MAX_ALLOCA) \
+ buf = (Lisp_Object *) alloca (size_); \
+ else \
+ { \
+ Lisp_Object arg_; \
+ buf = (Lisp_Object *) xmalloc (size_); \
+ arg_ = make_save_value (buf, nelt); \
+ XSAVE_VALUE (arg_)->dogc = 1; \
+ sa_must_free++; \
+ record_unwind_protect (safe_alloca_unwind, arg_); \
+ } \
+ } while (0)
+
+
#endif /* EMACS_LISP_H */
/* arch-tag: 9b2ed020-70eb-47ac-94ee-e1c2a5107d5e
HCoop / bpt / emacs.git / blobdiff