#define GCTYPEBITS 3
#endif
-#if 0 /* This doesn't work on some systems that don't allow enumerators
- > INT_MAX, and it won't work for long long EMACS_INT. These
- values are now found in emacs.c as EMACS_INT variables. */
-
-/* Make these values available in GDB, which sees enums but not macros. */
-
-enum gdb_lisp_params
-{
- gdb_valbits = VALBITS,
- gdb_gctypebits = GCTYPEBITS,
- gdb_emacs_intbits = sizeof (EMACS_INT) * BITS_PER_CHAR,
-#ifdef DATA_SEG_BITS
- gdb_data_seg_bits = DATA_SEG_BITS
-#else
- gdb_data_seg_bits = 0
-#endif
-};
-
-#endif /* 0 */
-
#ifndef NO_UNION_TYPE
#ifndef WORDS_BIG_ENDIAN
#endif /* WORDS_BIG_ENDIAN */
+#ifdef __GNUC__
+static __inline__ Lisp_Object
+LISP_MAKE_RVALUE (Lisp_Object o)
+{
+ return o;
+}
+#else
+#define LISP_MAKE_RVALUE(o) (o) /* XXX - keeps arg as rvalue. */
+#endif
+
#endif /* NO_UNION_TYPE */
#ifdef NO_UNION_TYPE
#define Lisp_Object EMACS_INT
+#define LISP_MAKE_RVALUE(o) (0+(o))
#endif /* NO_UNION_TYPE */
#ifndef VALMASK
#endif /* NO_UNION_TYPE */
+/* Largest and smallest representable fixnum values. These are the C
+ values. */
+
+#define MOST_NEGATIVE_FIXNUM - ((EMACS_INT) 1 << (VALBITS - 1))
+#define MOST_POSITIVE_FIXNUM (((EMACS_INT) 1 << (VALBITS - 1)) - 1)
+
+/* Value is non-zero if C integer I doesn't fit into a Lisp fixnum. */
+
+#define FIXNUM_OVERFLOW_P(i) \
+ ((EMACS_INT)(i) > MOST_POSITIVE_FIXNUM \
+ || (EMACS_INT) (i) < MOST_NEGATIVE_FIXNUM)
+
/* Extract a value or address from a Lisp_Object. */
#define XCONS(a) (eassert (GC_CONSP(a)),(struct Lisp_Cons *) XPNTR(a))
unsigned int position; /* Cache of interval's character position. */
/* This field is usually updated
simultaneously with an interval
- traversal, there is no guaranty
+ traversal, there is no guarantee
that it is valid for a random
interval. */
struct interval *left; /* Intervals which precede me. */
typedef struct interval *INTERVAL;
/* Complain if object is not string or buffer type */
-#define CHECK_STRING_OR_BUFFER(x, i) \
+#define CHECK_STRING_OR_BUFFER(x) \
{ if (!STRINGP ((x)) && !BUFFERP ((x))) \
x = wrong_type_argument (Qbuffer_or_string_p, (x)); }
\f
};
/* Take the car or cdr of something known to be a cons cell. */
+/* The _AS_LVALUE macros shouldn't be used outside of the minimal set
+ of code that has to know what a cons cell looks like. Other code not
+ part of the basic lisp implementation should assume that the car and cdr
+ fields are not accessible as lvalues. (What if we want to switch to
+ a copying collector someday? Cached cons cell field addresses may be
+ invalidated at arbitrary points.) */
#ifdef HIDE_LISP_IMPLEMENTATION
-#define XCAR(c) (XCONS ((c))->car_)
-#define XCDR(c) (XCONS ((c))->cdr_)
+#define XCAR_AS_LVALUE(c) (XCONS ((c))->car_)
+#define XCDR_AS_LVALUE(c) (XCONS ((c))->cdr_)
#else
-#define XCAR(c) (XCONS ((c))->car)
-#define XCDR(c) (XCONS ((c))->cdr)
+#define XCAR_AS_LVALUE(c) (XCONS ((c))->car)
+#define XCDR_AS_LVALUE(c) (XCONS ((c))->cdr)
#endif
+/* Okay, we're not quite ready to turn this on yet. A few files still
+ need to be updated and tested. */
+#undef LISP_MAKE_RVALUE
+#define LISP_MAKE_RVALUE(x) (x)
+
+/* Use these from normal code. */
+#define XCAR(c) LISP_MAKE_RVALUE(XCAR_AS_LVALUE(c))
+#define XCDR(c) LISP_MAKE_RVALUE(XCDR_AS_LVALUE(c))
+
+/* Use these to set the fields of a cons cell.
+
+ Note that both arguments may refer to the same object, so 'n'
+ should not be read after 'c' is first modified. Also, neither
+ argument should be evaluated more than once; side effects are
+ especially common in the second argument. */
+#define XSETCAR(c,n) (XCAR_AS_LVALUE(c) = (n))
+#define XSETCDR(c,n) (XCDR_AS_LVALUE(c) = (n))
+
+/* For performance: Fast storage of positive integers into the
+ fields of a cons cell. See above caveats. */
+#define XSETCARFASTINT(c,n) XSETFASTINT(XCAR_AS_LVALUE(c),(n))
+#define XSETCDRFASTINT(c,n) XSETFASTINT(XCDR_AS_LVALUE(c),(n))
+
/* Take the car or cdr of something whose type is not known. */
#define CAR(c) \
(CONSP ((c)) ? XCAR ((c)) \
#define HASH_TABLE_P(OBJ) PSEUDOVECTORP (OBJ, PVEC_HASH_TABLE)
#define GC_HASH_TABLE_P(x) GC_PSEUDOVECTORP (x, PVEC_HASH_TABLE)
-#define CHECK_HASH_TABLE(x, i) \
+#define CHECK_HASH_TABLE(x) \
do \
{ \
if (!HASH_TABLE_P ((x))) \
#define EQ(x, y) (XFASTINT (x) == XFASTINT (y))
#define GC_EQ(x, y) (XGCTYPE (x) == XGCTYPE (y) && XPNTR (x) == XPNTR (y))
-#define CHECK_LIST(x, i) \
+#define CHECK_LIST(x) \
do { if (!CONSP ((x)) && !NILP (x)) x = wrong_type_argument (Qlistp, (x)); } while (0)
-#define CHECK_STRING(x, i) \
+#define CHECK_STRING(x) \
do { if (!STRINGP ((x))) x = wrong_type_argument (Qstringp, (x)); } while (0)
-#define CHECK_CONS(x, i) \
+#define CHECK_STRING_CAR(x) \
+ do { if (!STRINGP (XCAR (x))) XSETCAR (x, wrong_type_argument (Qstringp, XCAR (x))); } while (0)
+
+#define CHECK_CONS(x) \
do { if (!CONSP ((x))) x = wrong_type_argument (Qconsp, (x)); } while (0)
-#define CHECK_SYMBOL(x, i) \
+#define CHECK_SYMBOL(x) \
do { if (!SYMBOLP ((x))) x = wrong_type_argument (Qsymbolp, (x)); } while (0)
-#define CHECK_CHAR_TABLE(x, i) \
+#define CHECK_CHAR_TABLE(x) \
do { if (!CHAR_TABLE_P ((x))) \
x = wrong_type_argument (Qchar_table_p, (x)); } while (0)
-#define CHECK_VECTOR(x, i) \
+#define CHECK_VECTOR(x) \
do { if (!VECTORP ((x))) x = wrong_type_argument (Qvectorp, (x)); } while (0)
-#define CHECK_VECTOR_OR_CHAR_TABLE(x, i) \
+#define CHECK_VECTOR_OR_CHAR_TABLE(x) \
do { if (!VECTORP ((x)) && !CHAR_TABLE_P ((x))) \
x = wrong_type_argument (Qvector_or_char_table_p, (x)); \
} while (0)
-#define CHECK_BUFFER(x, i) \
+#define CHECK_BUFFER(x) \
do { if (!BUFFERP ((x))) x = wrong_type_argument (Qbufferp, (x)); } while (0)
-#define CHECK_WINDOW(x, i) \
+#define CHECK_WINDOW(x) \
do { if (!WINDOWP ((x))) x = wrong_type_argument (Qwindowp, (x)); } while (0)
/* This macro rejects windows on the interior of the window tree as
A window of any sort, leaf or interior, is dead iff the buffer,
vchild, and hchild members are all nil. */
-#define CHECK_LIVE_WINDOW(x, i) \
+#define CHECK_LIVE_WINDOW(x) \
do { \
if (!WINDOWP ((x)) \
|| NILP (XWINDOW ((x))->buffer)) \
x = wrong_type_argument (Qwindow_live_p, (x)); \
} while (0)
-#define CHECK_PROCESS(x, i) \
+#define CHECK_PROCESS(x) \
do { if (!PROCESSP ((x))) x = wrong_type_argument (Qprocessp, (x)); } while (0)
-#define CHECK_NUMBER(x, i) \
+#define CHECK_NUMBER(x) \
do { if (!INTEGERP ((x))) x = wrong_type_argument (Qintegerp, (x)); } while (0)
-#define CHECK_NATNUM(x, i) \
+#define CHECK_NATNUM(x) \
do { if (!NATNUMP (x)) x = wrong_type_argument (Qwholenump, (x)); } while (0)
-#define CHECK_MARKER(x, i) \
+#define CHECK_MARKER(x) \
do { if (!MARKERP ((x))) x = wrong_type_argument (Qmarkerp, (x)); } while (0)
-#define CHECK_NUMBER_COERCE_MARKER(x, i) \
+#define CHECK_NUMBER_COERCE_MARKER(x) \
do { if (MARKERP ((x))) XSETFASTINT (x, marker_position (x)); \
else if (!INTEGERP ((x))) x = wrong_type_argument (Qinteger_or_marker_p, (x)); } while (0)
#define XFLOATINT(n) extract_float((n))
-#define CHECK_FLOAT(x, i) \
+#define CHECK_FLOAT(x) \
do { if (!FLOATP (x)) \
x = wrong_type_argument (Qfloatp, (x)); } while (0)
-#define CHECK_NUMBER_OR_FLOAT(x, i) \
+#define CHECK_NUMBER_OR_FLOAT(x) \
do { if (!FLOATP (x) && !INTEGERP (x)) \
x = wrong_type_argument (Qnumberp, (x)); } while (0)
-#define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x, i) \
+#define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x) \
do { if (MARKERP (x)) XSETFASTINT (x, marker_position (x)); \
else if (!INTEGERP (x) && !FLOATP (x)) \
x = wrong_type_argument (Qnumber_or_marker_p, (x)); } while (0)
-#define CHECK_OVERLAY(x, i) \
+#define CHECK_OVERLAY(x) \
do { if (!OVERLAYP ((x))) x = wrong_type_argument (Qoverlayp, (x));} while (0)
+/* Since we can't assign directly to the CAR or CDR fields of a cons
+ cell, use these when checking that those fields contain numbers. */
+#define CHECK_NUMBER_CAR(x) \
+ do { \
+ Lisp_Object tmp = XCAR (x); \
+ CHECK_NUMBER (tmp); \
+ XSETCAR ((x), tmp); \
+ } while (0)
+
+#define CHECK_NUMBER_CDR(x) \
+ do { \
+ Lisp_Object tmp = XCDR (x); \
+ CHECK_NUMBER (tmp); \
+ XSETCDR ((x), tmp); \
+ } while (0)
+
/* Cast pointers to this type to compare them. Some machines want int. */
#ifndef PNTR_COMPARISON_TYPE
#define PNTR_COMPARISON_TYPE EMACS_UINT
#if (!defined (__STDC__) && !defined (PROTOTYPES)) \
|| defined (USE_NONANSI_DEFUN)
-#define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, doc) \
+
+#define DEFUN(lname, fnname, sname, minargs, maxargs, prompt, args) \
Lisp_Object fnname (); \
struct Lisp_Subr sname = \
{ PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
fnname, minargs, maxargs, lname, prompt, 0}; \
- Lisp_Object fnname
+ Lisp_Object fnname args
#else
|| SUBRP (OBJ))
/* defsubr (Sname);
- is how we define the symbol for function `name' at start-up time. */
+ is how we define the symbol for function `name' at start-up time. */
extern void defsubr P_ ((struct Lisp_Subr *));
#define MANY -2
defvar_kboard (lname, \
(int)((char *)(¤t_kboard->vname) \
- (char *)current_kboard))
+
+
\f
/* Structure for recording Lisp call stack for backtrace purposes. */
extern Lisp_Object Qframep;
+extern void circular_list_error P_ ((Lisp_Object));
+
EXFUN (Feq, 2);
EXFUN (Fnull, 1);
EXFUN (Flistp, 1);
EXFUN (Fmapconcat, 3);
EXFUN (Fy_or_n_p, 1);
extern Lisp_Object do_yes_or_no_p P_ ((Lisp_Object));
-EXFUN (Ffeaturep, 1);
EXFUN (Frequire, 3);
-EXFUN (Fprovide, 1);
+EXFUN (Fprovide, 2);
extern Lisp_Object concat2 P_ ((Lisp_Object, Lisp_Object));
extern Lisp_Object concat3 P_ ((Lisp_Object, Lisp_Object, Lisp_Object));
extern Lisp_Object nconc2 P_ ((Lisp_Object, Lisp_Object));
extern Lisp_Object Qinhibit_redisplay, Qdisplay;
extern Lisp_Object Qinhibit_eval_during_redisplay;
extern Lisp_Object Qmessage_truncate_lines;
+extern Lisp_Object Qcursor_in_non_selected_windows;
extern Lisp_Object Vmessage_log_max;
extern int message_enable_multibyte;
extern Lisp_Object echo_area_buffer[2];
P_ ((struct buffer *, int, struct buffer *, int));
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));
#define LOADHIST_ATTACH(x) \
if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list)
extern Lisp_Object Vcurrent_load_list;
-extern Lisp_Object Vload_history;
-extern int openp P_ ((Lisp_Object, Lisp_Object, char *, Lisp_Object *, int));
+extern Lisp_Object Vload_history, Vload_suffixes;
+extern int openp P_ ((Lisp_Object, Lisp_Object, Lisp_Object,
+ Lisp_Object *, int));
extern int isfloat_string P_ ((char *));
extern void map_obarray P_ ((Lisp_Object, void (*) (Lisp_Object, Lisp_Object),
Lisp_Object));
EXFUN (Fconstrain_to_field, 5);
EXFUN (Ffield_string, 1);
EXFUN (Fdelete_field, 1);
-EXFUN (Ffield_beginning, 2);
+EXFUN (Ffield_beginning, 3);
+EXFUN (Ffield_end, 3);
EXFUN (Ffield_string_no_properties, 1);
extern void set_time_zone_rule P_ ((char *));
extern int input_pending;
EXFUN (Fdiscard_input, 0);
EXFUN (Frecursive_edit, 0);
+EXFUN (Ftop_level, 0);
EXFUN (Fcommand_execute, 4);
EXFUN (Finput_pending_p, 0);
extern Lisp_Object menu_bar_items P_ ((Lisp_Object));
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 (Fcopy_keymap, 1);
-EXFUN (Fdefine_key, 3);
-EXFUN (Flookup_key, 3);
-EXFUN (Fkey_binding, 2);
-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, int));
-extern Lisp_Object get_keyelt P_ ((Lisp_Object, 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 void describe_map_tree P_ ((Lisp_Object, int, Lisp_Object, Lisp_Object,
- char *, int, int, int));
-extern int current_minor_maps P_ ((Lisp_Object **, Lisp_Object **));
-extern void initial_define_key P_ ((Lisp_Object, int, char *));
-extern void initial_define_lispy_key P_ ((Lisp_Object, char *, char *));
-extern void syms_of_keymap P_ ((void));
-extern void keys_of_keymap P_ ((void));
/* defined in indent.c */
EXFUN (Fvertical_motion, 2);
EXFUN (Fdelete_window, 1);
EXFUN (Fselect_window, 1);
EXFUN (Fset_window_buffer, 2);
+EXFUN (Fwindow_buffer, 1);
EXFUN (Fget_buffer_window, 2);
EXFUN (Fsave_window_excursion, UNEVALLED);
EXFUN (Fsplit_window, 3);
extern void temp_output_buffer_show P_ ((Lisp_Object));
extern void replace_buffer_in_all_windows P_ ((Lisp_Object));
extern void init_window_once P_ ((void));
+extern void init_window P_ ((void));
extern void syms_of_window P_ ((void));
extern void keys_of_window P_ ((void));
extern void set_frame_buffer_list P_ ((Lisp_Object, Lisp_Object));
extern void frames_bury_buffer P_ ((Lisp_Object));
extern void syms_of_frame P_ ((void));
-extern void keys_of_frame P_ ((void));
/* defined in emacs.c */
extern Lisp_Object decode_env_path P_ ((char *, char *));
extern Lisp_Object Vinvocation_name, Vinvocation_directory;
-extern Lisp_Object Vinstallation_directory;
+extern Lisp_Object Vinstallation_directory, empty_string;
EXFUN (Fkill_emacs, 1);
#if HAVE_SETLOCALE
void fixup_locale P_ ((void));
extern void syms_of_process P_ ((void));
/* defined in callproc.c */
-extern Lisp_Object Vexec_path, Vexec_directory, Vdata_directory;
+extern Lisp_Object Vexec_path, Vexec_suffixes,
+ Vexec_directory, Vdata_directory;
extern Lisp_Object Vdoc_directory;
EXFUN (Fcall_process, MANY);
extern int child_setup P_ ((int, int, int, char **, int, Lisp_Object));
EXFUN (Fexecute_kbd_macro, 2);
extern void init_macros P_ ((void));
extern void syms_of_macros P_ ((void));
-extern void keys_of_macros P_ ((void));
/* defined in undo.c */
extern Lisp_Object Qinhibit_read_only;
(EQ (hare, tortoise) \
&& (circular_list_error ((list)), 1))) \
: 0)))
+
+/* The ubiquitous min and max macros. */
+
+#ifdef max
+#undef max
+#undef min
+#endif
+#define min(a, b) ((a) < (b) ? (a) : (b))
+#define max(a, b) ((a) > (b) ? (a) : (b))
+
+/* Return a fixnum or float, depending on whether VAL fits in a Lisp
+ fixnum. */
+
+#define make_fixnum_or_float(val) \
+ (FIXNUM_OVERFLOW_P (val) ? make_float (val) : make_number ((int)(val)))