/* Fundamental definitions for GNU Emacs Lisp interpreter.
Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1997, 1998, 1999, 2000,
- 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Free Software Foundation, Inc.
This file is part of GNU Emacs.
-GNU Emacs is free software; you can redistribute it and/or modify
+GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 3, or (at your option)
-any later version.
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
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., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#ifndef EMACS_LISP_H
#define EMACS_LISP_H
/* Declare the prototype for a general external function. */
-#if defined (PROTOTYPES) || defined (WINDOWSNT)
#define P_(proto) proto
-#else
-#define P_(proto) ()
-#endif
-
-#if 0
-/* 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
-
-/* 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 */
+/* Use the configure flag --enable-checking[=LIST] to enable various
+ types of run time checks for Lisp objects. */
#ifdef GC_CHECK_CONS_LIST
#define CHECK_CONS_LIST() check_cons_list()
#endif
-/* Used for making sure that Emacs is compilable in all
- configurations. */
-
-#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
#endif
#endif /* ENABLE_CHECKING */
\f
+/* Define this to make Lisp_Object use a union type instead of the
+ default int. FIXME: It might be better to add a flag to configure
+ to do this. */
+/* #define USE_LISP_UNION_TYPE */
+
/***** Select the tagging scheme. *****/
/* There are basically two options that control the tagging scheme:
- - NO_UNION_TYPE says that Lisp_Object should be an integer instead
- of a union.
+ - USE_LISP_UNION_TYPE says that Lisp_Object should be a union instead
+ of an integer.
- USE_LSB_TAG means that we can assume the least 3 bits of pointers are
always 0, and we can thus use them to hold tag bits, without
restricting our addressing space.
#endif
/* Let's USE_LSB_TAG on systems where we know malloc returns mult-of-8. */
-#if defined GNU_MALLOC || defined DOUG_LEA_MALLOC || defined __GLIBC__ || defined MAC_OSX
+#if defined GNU_MALLOC || defined DOUG_LEA_MALLOC || defined __GLIBC__ || defined DARWIN_OS
/* We also need to be able to specify mult-of-8 alignment on static vars. */
# if defined DECL_ALIGN
-/* We currently do not support USE_LSB_TAG with a union Lisp_Object. */
-# if defined NO_UNION_TYPE
-# define USE_LSB_TAG
-# endif
+# define USE_LSB_TAG
# endif
#endif
/* Define the fundamental Lisp data structures. */
+/* If USE_2_TAGBITS_FOR_INTS is defined, then Lisp integers use
+ 2 tags, to give them one extra bit, thus extending their range from
+ e.g -2^28..2^28-1 to -2^29..2^29-1. */
+#define USE_2_TAGS_FOR_INTS
+
+/* Making it work for the union case is too much trouble. */
+#ifdef USE_LISP_UNION_TYPE
+# undef USE_2_TAGS_FOR_INTS
+#endif
+
/* This is the set of Lisp data types. */
+#if !defined USE_2_TAGS_FOR_INTS
+# define LISP_INT_TAG Lisp_Int
+# define case_Lisp_Int case Lisp_Int
+# define LISP_STRING_TAG 4
+# define LISP_INT_TAG_P(x) ((x) == Lisp_Int)
+#else
+# define LISP_INT_TAG Lisp_Int0
+# define case_Lisp_Int case Lisp_Int0: case Lisp_Int1
+# ifdef USE_LSB_TAG
+# define LISP_INT1_TAG 4
+# define LISP_STRING_TAG 1
+# define LISP_INT_TAG_P(x) (((x) & 3) == 0)
+# else
+# define LISP_INT1_TAG 1
+# define LISP_STRING_TAG 4
+# define LISP_INT_TAG_P(x) (((x) & 6) == 0)
+# endif
+#endif
+
enum Lisp_Type
{
/* Integer. XINT (obj) is the integer value. */
- Lisp_Int,
+#ifdef USE_2_TAGS_FOR_INTS
+ Lisp_Int0 = 0,
+ Lisp_Int1 = LISP_INT1_TAG,
+#else
+ Lisp_Int = 0,
+#endif
/* Symbol. XSYMBOL (object) points to a struct Lisp_Symbol. */
- Lisp_Symbol,
+ Lisp_Symbol = 2,
/* Miscellaneous. XMISC (object) points to a union Lisp_Misc,
whose first member indicates the subtype. */
- Lisp_Misc,
+ Lisp_Misc = 3,
/* String. XSTRING (object) points to a struct Lisp_String.
The length of the string, and its contents, are stored therein. */
- Lisp_String,
+ Lisp_String = LISP_STRING_TAG,
/* Vector of Lisp objects, or something resembling it.
XVECTOR (object) points to a struct Lisp_Vector, which contains
the size and contents. The size field also contains the type
information, if it's not a real vector object. */
- Lisp_Vectorlike,
+ Lisp_Vectorlike = 5,
/* Cons. XCONS (object) points to a struct Lisp_Cons. */
- Lisp_Cons,
+ Lisp_Cons = 6,
- Lisp_Float,
-
- /* This is not a type code. It is for range checking. */
- Lisp_Type_Limit
+ Lisp_Float = 7,
};
/* This is the set of data types that share a common structure.
#define VALBITS (BITS_PER_EMACS_INT - GCTYPEBITS)
#endif
-#ifndef NO_UNION_TYPE
+#ifdef USE_LISP_UNION_TYPE
#ifndef WORDS_BIG_ENDIAN
#define LISP_MAKE_RVALUE(o) (o)
#endif
-#else /* NO_UNION_TYPE */
+#else /* USE_LISP_UNION_TYPE */
/* If union type is not wanted, define Lisp_Object as just a number. */
typedef EMACS_INT Lisp_Object;
#define LISP_MAKE_RVALUE(o) (0+(o))
-#endif /* NO_UNION_TYPE */
+#endif /* USE_LISP_UNION_TYPE */
/* In the size word of a vector, this bit means the vector has been marked. */
PVEC_HASH_TABLE = 0x40000,
PVEC_TERMINAL = 0x80000,
PVEC_SUB_CHAR_TABLE = 0x100000,
- PVEC_OTHER = 0x200000,
- PVEC_TYPE_MASK = 0x2ffe00
+ PVEC_FONT = 0x200000,
+ PVEC_OTHER = 0x400000,
+ PVEC_TYPE_MASK = 0x7ffe00
#if 0 /* This is used to make the value of PSEUDOVECTOR_FLAG available to
GDB. It doesn't work on OS Alpha. Moved to a variable in
For example, if tem is a Lisp_Object whose type is Lisp_Cons,
XCONS (tem) is the struct Lisp_Cons * pointing to the memory for that cons. */
-#ifdef NO_UNION_TYPE
+#ifndef USE_LISP_UNION_TYPE
/* Return a perfect hash of the Lisp_Object representation. */
#define XHASH(a) (a)
#define TYPEMASK ((((EMACS_INT) 1) << GCTYPEBITS) - 1)
#define XTYPE(a) ((enum Lisp_Type) (((EMACS_UINT) (a)) & TYPEMASK))
-#define XINT(a) (((EMACS_INT) (a)) >> GCTYPEBITS)
-#define XUINT(a) (((EMACS_UINT) (a)) >> GCTYPEBITS)
+#ifdef USE_2_TAGS_FOR_INTS
+# define XINT(a) (((EMACS_INT) (a)) >> (GCTYPEBITS - 1))
+# define XUINT(a) (((EMACS_UINT) (a)) >> (GCTYPEBITS - 1))
+# define make_number(N) (((EMACS_INT) (N)) << (GCTYPEBITS - 1))
+#else
+# define XINT(a) (((EMACS_INT) (a)) >> GCTYPEBITS)
+# define XUINT(a) (((EMACS_UINT) (a)) >> GCTYPEBITS)
+# define make_number(N) (((EMACS_INT) (N)) << GCTYPEBITS)
+#endif
#define XSET(var, type, ptr) \
(eassert (XTYPE (ptr) == 0), /* Check alignment. */ \
(var) = ((EMACS_INT) (type)) | ((EMACS_INT) (ptr)))
-#define make_number(N) (((EMACS_INT) (N)) << GCTYPEBITS)
-
-/* XFASTINT and XSETFASTINT are for use when the integer is known to be
- positive, in which case the implementation can sometimes be faster
- depending on the tagging scheme. With USE_LSB_TAG, there's no benefit. */
-#define XFASTINT(a) XINT (a)
-#define XSETFASTINT(a, b) ((a) = make_number (b))
#define XPNTR(a) ((EMACS_INT) ((a) & ~TYPEMASK))
#define XFASTINT(a) ((a) + 0)
#define XSETFASTINT(a, b) ((a) = (b))
-/* Extract the value of a Lisp_Object as a signed integer. */
+/* Extract the value of a Lisp_Object as a (un)signed integer. */
-#ifndef XINT /* Some machines need to do this differently. */
-#define XINT(a) ((((EMACS_INT) (a)) << (BITS_PER_EMACS_INT - VALBITS)) \
+#ifdef USE_2_TAGS_FOR_INTS
+# define XINT(a) ((((EMACS_INT) (a)) << (GCTYPEBITS - 1)) >> (GCTYPEBITS - 1))
+# define XUINT(a) ((EMACS_UINT) ((a) & (1 + (VALMASK << 1))))
+# define make_number(N) ((((EMACS_INT) (N)) & (1 + (VALMASK << 1))))
+#else
+# define XINT(a) ((((EMACS_INT) (a)) << (BITS_PER_EMACS_INT - VALBITS)) \
>> (BITS_PER_EMACS_INT - VALBITS))
+# define XUINT(a) ((EMACS_UINT) ((a) & VALMASK))
+# define make_number(N) \
+ ((((EMACS_INT) (N)) & VALMASK) | ((EMACS_INT) Lisp_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) ((EMACS_UINT) ((a) & VALMASK))
-#endif
-
-#ifndef XSET
#define XSET(var, type, ptr) \
((var) = ((EMACS_INT)(type) << VALBITS) + ((EMACS_INT) (ptr) & VALMASK))
-#endif
-
-/* Convert a C integer into a Lisp_Object integer. */
-#define make_number(N) \
- ((((EMACS_INT) (N)) & VALMASK) | ((EMACS_INT) Lisp_Int) << VALBITS)
+#define XPNTR(a) ((EMACS_UINT) ((a) & VALMASK))
#endif /* not USE_LSB_TAG */
-#else /* not NO_UNION_TYPE */
+#else /* USE_LISP_UNION_TYPE */
+
+#ifdef USE_2_TAGS_FOR_INTS
+# error "USE_2_TAGS_FOR_INTS is not supported with USE_LISP_UNION_TYPE"
+#endif
#define XHASH(a) ((a).i)
#define XTYPE(a) ((enum Lisp_Type) (a).u.type)
-/* For integers known to be positive, XFASTINT provides fast retrieval
- and XSETFASTINT provides fast storage. This takes advantage of the
- fact that Lisp_Int is 0. */
-#define XFASTINT(a) ((a).i + 0)
-#define XSETFASTINT(a, b) ((a).i = (b))
-
#ifdef EXPLICIT_SIGN_EXTEND
-/* Make sure we sign-extend; compilers have been known to fail to do so. */
-#define XINT(a) (((a).s.val << (BITS_PER_EMACS_INT - VALBITS)) \
+/* Make sure we sign-extend; compilers have been known to fail to do so.
+ We additionally cast to EMACS_INT since it seems that some compilers
+ have been known to fail to do so, even though the bitfield is declared
+ as EMACS_INT already. */
+#define XINT(a) ((((EMACS_INT) (a).s.val) << (BITS_PER_EMACS_INT - VALBITS)) \
>> (BITS_PER_EMACS_INT - VALBITS))
#else
#define XINT(a) ((a).s.val)
#define XUINT(a) ((a).u.val)
-#define XSET(var, vartype, ptr) \
+#ifdef USE_LSB_TAG
+
+# define XSET(var, vartype, ptr) \
+ (eassert ((((EMACS_UINT) (ptr)) & ((1 << GCTYPEBITS) - 1)) == 0), \
+ (var).u.val = ((EMACS_UINT) (ptr)) >> GCTYPEBITS, \
+ (var).u.type = ((char) (vartype)))
+
+/* 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(v) ((EMACS_INT)((v).s.val) << GCTYPEBITS)
+
+#else /* !USE_LSB_TAG */
+
+/* For integers known to be positive, XFASTINT provides fast retrieval
+ and XSETFASTINT provides fast storage. This takes advantage of the
+ fact that Lisp_Int is 0. */
+# define XFASTINT(a) ((a).i + 0)
+# define XSETFASTINT(a, b) ((a).i = (b))
+
+# define XSET(var, vartype, ptr) \
(((var).s.val = ((EMACS_INT) (ptr))), ((var).s.type = ((char) (vartype))))
+#endif /* !USE_LSB_TAG */
+
#if __GNUC__ >= 2 && defined (__OPTIMIZE__)
#define make_number(N) \
(__extension__ ({ Lisp_Object _l; _l.s.val = (N); _l.s.type = Lisp_Int; _l; }))
extern Lisp_Object make_number P_ ((EMACS_INT));
#endif
-#endif /* NO_UNION_TYPE */
+#endif /* USE_LISP_UNION_TYPE */
+
+/* For integers known to be positive, XFASTINT sometimes provides
+ faster retrieval and XSETFASTINT provides faster storage.
+ If not, fallback on the non-accelerated path. */
+#ifndef XFASTINT
+# define XFASTINT(a) (XINT (a))
+# define XSETFASTINT(a, b) (XSETINT (a, b))
+#endif
#define EQ(x, y) (XHASH (x) == XHASH (y))
/* 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)
+#ifdef USE_2_TAGS_FOR_INTS
+# define MOST_NEGATIVE_FIXNUM - ((EMACS_INT) 1 << VALBITS)
+# define MOST_POSITIVE_FIXNUM (((EMACS_INT) 1 << VALBITS) - 1)
+/* Mask indicating the significant bits of a Lisp_Int.
+ I.e. (x & INTMASK) == XUINT (make_number (x)). */
+# define INTMASK ((((EMACS_INT) 1) << (VALBITS + 1)) - 1)
+#else
+# define MOST_NEGATIVE_FIXNUM - ((EMACS_INT) 1 << (VALBITS - 1))
+# define MOST_POSITIVE_FIXNUM (((EMACS_INT) 1 << (VALBITS - 1)) - 1)
/* Mask indicating the significant bits of a Lisp_Int.
I.e. (x & INTMASK) == XUINT (make_number (x)). */
-#define INTMASK ((((EMACS_INT) 1) << VALBITS) - 1)
+# define INTMASK ((((EMACS_INT) 1) << VALBITS) - 1)
+#endif
-/* Value is non-zero if C integer I doesn't fit into a Lisp fixnum. */
+/* Value is non-zero if I doesn't fit into a Lisp fixnum. It is
+ written this way so that it also works if I is of unsigned
+ type. */
#define FIXNUM_OVERFLOW_P(i) \
- ((EMACS_INT)(i) > MOST_POSITIVE_FIXNUM \
- || (EMACS_INT) (i) < MOST_NEGATIVE_FIXNUM)
+ ((i) > MOST_POSITIVE_FIXNUM \
+ || ((i) < 0 && (i) < MOST_NEGATIVE_FIXNUM))
/* Extract a value or address from a Lisp_Object. */
(STR) = empty_unibyte_string; \
else XSTRING (STR)->size_byte = -1; } while (0)
+/* Mark STR as a multibyte string. Assure that STR contains only
+ ASCII characters in advance. */
+#define STRING_SET_MULTIBYTE(STR) \
+ do { if (EQ (STR, empty_unibyte_string)) \
+ (STR) = empty_multibyte_string; \
+ else XSTRING (STR)->size_byte = XSTRING (STR)->size; } while (0)
+
/* Get text properties. */
#define STRING_INTERVALS(STR) (XSTRING (STR)->intervals + 0)
#define CHAR_TABLE_EXTRA_SLOTS(CT) \
(((CT)->size & PSEUDOVECTOR_SIZE_MASK) - CHAR_TABLE_STANDARD_SLOTS)
+#ifdef __GNUC__
+
+#define CHAR_TABLE_REF_ASCII(CT, IDX) \
+ ({struct Lisp_Char_Table *_tbl = NULL; \
+ Lisp_Object _val; \
+ do { \
+ _tbl = _tbl ? XCHAR_TABLE (_tbl->parent) : XCHAR_TABLE (CT); \
+ _val = (! SUB_CHAR_TABLE_P (_tbl->ascii) ? _tbl->ascii \
+ : XSUB_CHAR_TABLE (_tbl->ascii)->contents[IDX]); \
+ if (NILP (_val)) \
+ _val = _tbl->defalt; \
+ } while (NILP (_val) && ! NILP (_tbl->parent)); \
+ _val; })
+
+#else /* not __GNUC__ */
+
+#define CHAR_TABLE_REF_ASCII(CT, IDX) \
+ (! NILP (XCHAR_TABLE (CT)->ascii) \
+ ? (! SUB_CHAR_TABLE_P (XCHAR_TABLE (CT)->ascii) \
+ ? XCHAR_TABLE (CT)->ascii \
+ : ! NILP (XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX]) \
+ ? XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX] \
+ : char_table_ref ((CT), (IDX))) \
+ : char_table_ref ((CT), (IDX)))
+
+#endif /* not __GNUC__ */
+
/* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
characters. Do not check validity of CT. */
-#define CHAR_TABLE_REF(CT, IDX) \
- ((ASCII_CHAR_P (IDX) \
- && SUB_CHAR_TABLE_P (XCHAR_TABLE (CT)->ascii) \
- && !NILP (XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX])) \
- ? XSUB_CHAR_TABLE (XCHAR_TABLE (CT)->ascii)->contents[IDX] \
+#define CHAR_TABLE_REF(CT, IDX) \
+ (ASCII_CHAR_P (IDX) ? CHAR_TABLE_REF_ASCII ((CT), (IDX)) \
: char_table_ref ((CT), (IDX)))
/* Almost equivalent to Faref (CT, IDX). However, if the result is
EMACS_UINT size;
Lisp_Object (*function) ();
short min_args, max_args;
- char *symbol_name;
+ const char *symbol_name;
char *intspec;
char *doc;
};
#define SYMBOL_VALUE(sym) \
(XSYMBOL (sym)->indirect_variable \
- ? XSYMBOL (indirect_variable (sym))->value \
+ ? indirect_variable (XSYMBOL (sym))->value \
: XSYMBOL (sym)->value)
/* Set SYM's value to VAL, taking defvaralias into account. */
#define SET_SYMBOL_VALUE(sym, val) \
do { \
if (XSYMBOL (sym)->indirect_variable) \
- XSYMBOL (indirect_variable ((sym)))->value = (val); \
+ indirect_variable (XSYMBOL (sym))->value = (val); \
else \
XSYMBOL (sym)->value = (val); \
} while (0)
};
#ifdef HIDE_LISP_IMPLEMENTATION
-#define XFLOAT_DATA(f) (XFLOAT (f)->u.data_)
+#define XFLOAT_DATA(f) (XFLOAT (f)->u.data_ + 0)
#else
-#define XFLOAT_DATA(f) (XFLOAT (f)->u.data)
+#define XFLOAT_DATA(f) (XFLOAT (f)->u.data + 0)
+/* This should be used only in alloc.c, which always disables
+ HIDE_LISP_IMPLEMENTATION. */
+#define XFLOAT_INIT(f,n) (XFLOAT (f)->u.data = (n))
#endif
/* A character, declared with the following typedef, is a member
#define NUMBERP(x) (INTEGERP (x) || FLOATP (x))
#define NATNUMP(x) (INTEGERP (x) && XINT (x) >= 0)
-#define INTEGERP(x) (XTYPE ((x)) == Lisp_Int)
+#define INTEGERP(x) (LISP_INT_TAG_P (XTYPE ((x))))
#define SYMBOLP(x) (XTYPE ((x)) == Lisp_Symbol)
#define MISCP(x) (XTYPE ((x)) == Lisp_Misc)
#define VECTORLIKEP(x) (XTYPE ((x)) == Lisp_Vectorlike)
} while (0)
/* Cast pointers to this type to compare them. Some machines want int. */
-#ifndef PNTR_COMPARISON_TYPE
#define PNTR_COMPARISON_TYPE EMACS_UINT
-#endif
\f
/* Define a built-in function for calling from Lisp.
`lname' should be the name to give the function in Lisp,
A null string means call interactively with no arguments.
`doc' is documentation for the user. */
-#if (!defined (__STDC__) && !defined (PROTOTYPES))
-
-#define DEFUN(lname, fnname, sname, minargs, maxargs, intspec, doc) \
- Lisp_Object fnname (); \
- DECL_ALIGN (struct Lisp_Subr, sname) = \
- { PVEC_SUBR | (sizeof (struct Lisp_Subr) / sizeof (EMACS_INT)), \
- fnname, minargs, maxargs, lname, intspec, 0}; \
- Lisp_Object fnname
-
-#else
-
/* This version of DEFUN declares a function prototype with the right
arguments, so we can catch errors with maxargs at compile-time. */
#define DEFUN(lname, fnname, sname, minargs, maxargs, intspec, doc) \
Lisp_Object, Lisp_Object, Lisp_Object)
#define DEFUN_ARGS_8 (Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object, \
Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object)
-#endif
-
/* Non-zero if OBJ is a Lisp function. */
#define FUNCTIONP(OBJ) \
#define MANY -2
#define UNEVALLED -1
-extern void defvar_lisp P_ ((char *, Lisp_Object *));
-extern void defvar_lisp_nopro P_ ((char *, Lisp_Object *));
-extern void defvar_bool P_ ((char *, int *));
-extern void defvar_int P_ ((char *, EMACS_INT *));
-extern void defvar_kboard P_ ((char *, int));
+extern void defvar_lisp (const char *, Lisp_Object *);
+extern void defvar_lisp_nopro (const char *, Lisp_Object *);
+extern void defvar_bool (const char *, int *);
+extern void defvar_int (const char *, EMACS_INT *);
+extern void defvar_kboard (const char *, int);
/* Macros we use to define forwarded Lisp variables.
These are used in the syms_of_FILENAME functions. */
extern struct handler *handlerlist;
+/* This structure helps implement the `catch' and `throw' control
+ structure. A struct catchtag contains all the information needed
+ to restore the state of the interpreter after a non-local jump.
+
+ Handlers for error conditions (represented by `struct handler'
+ structures) just point to a catch tag to do the cleanup required
+ for their jumps.
+
+ catchtag structures are chained together in the C calling stack;
+ the `next' member points to the next outer catchtag.
+
+ A call like (throw TAG VAL) searches for a catchtag whose `tag'
+ member is TAG, and then unbinds to it. The `val' member is used to
+ hold VAL while the stack is unwound; `val' is returned as the value
+ of the catch form.
+
+ All the other members are concerned with restoring the interpreter
+ state. */
+
+struct catchtag
+{
+ Lisp_Object tag;
+ Lisp_Object val;
+ struct catchtag *next;
+ struct gcpro *gcpro;
+ jmp_buf jmp;
+ struct backtrace *backlist;
+ struct handler *handlerlist;
+ int lisp_eval_depth;
+ int pdlcount;
+ int poll_suppress_count;
+ int interrupt_input_blocked;
+ struct byte_stack *byte_stack;
+};
+
extern struct catchtag *catchlist;
extern struct backtrace *backtrace_list;
and (in particular) cannot call arbitrary Lisp code. */
#ifdef SYNC_INPUT
-extern void handle_async_input P_ ((void));
-extern int interrupt_input_pending;
+extern void process_pending_signals P_ ((void));
+extern int pending_signals;
#define QUIT \
do { \
Fthrow (Vthrow_on_input, Qt); \
Fsignal (Qquit, Qnil); \
} \
- else if (interrupt_input_pending) \
- handle_async_input (); \
+ else if (pending_signals) \
+ process_pending_signals (); \
} while (0)
#else /* not SYNC_INPUT */
\f
/* Declare a Lisp-callable function. The MAXARGS parameter has the same
meaning as in the DEFUN macro, and is used to construct a prototype. */
-#if (!defined (__STDC__) && !defined (PROTOTYPES))
-#define EXFUN(fnname, maxargs) \
- extern Lisp_Object fnname ()
-#else
/* We can use the same trick as in the DEFUN macro to generate the
appropriate prototype. */
#define EXFUN(fnname, maxargs) \
extern Lisp_Object fnname DEFUN_ARGS_ ## maxargs
-#endif
/* Forward declarations for prototypes. */
struct window;
extern Lisp_Object Qinteger;
+extern Lisp_Object Qfont_spec, Qfont_entity, Qfont_object;
+
extern void circular_list_error P_ ((Lisp_Object)) NO_RETURN;
EXFUN (Finteractive_form, 1);
EXFUN (Fsub1, 1);
EXFUN (Fmake_variable_buffer_local, 1);
-extern Lisp_Object indirect_variable P_ ((Lisp_Object));
+extern struct Lisp_Symbol *indirect_variable (struct Lisp_Symbol *);
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)) NO_RETURN;
int hash_lookup P_ ((struct Lisp_Hash_Table *, Lisp_Object, unsigned *));
int hash_put P_ ((struct Lisp_Hash_Table *, Lisp_Object, Lisp_Object,
unsigned));
-void hash_remove P_ ((struct Lisp_Hash_Table *, Lisp_Object));
void hash_clear P_ ((struct Lisp_Hash_Table *));
-void remove_hash_entry P_ ((struct Lisp_Hash_Table *, int));
+void init_weak_hash_tables P_ ((void));
extern void init_fns P_ ((void));
EXFUN (Fsxhash, 1);
EXFUN (Fmake_hash_table, MANY);
EXFUN (Fstring_as_multibyte, 1);
EXFUN (Fstring_as_unibyte, 1);
EXFUN (Fstring_to_multibyte, 1);
+EXFUN (Fstring_to_unibyte, 1);
EXFUN (Fsubstring, 3);
extern Lisp_Object substring_both P_ ((Lisp_Object, int, int, int, int));
EXFUN (Fnth, 2);
/* Defined in insdel.c */
extern Lisp_Object Qinhibit_modification_hooks;
-extern void move_gap P_ ((int));
-extern void move_gap_both P_ ((int, int));
-extern void make_gap P_ ((int));
-extern int copy_text P_ ((const unsigned char *, unsigned char *, int, int, int));
-extern int count_size_as_multibyte P_ ((const unsigned char *, int));
-extern int count_combining_before P_ ((const unsigned char *, int, int, int));
-extern int count_combining_after P_ ((const unsigned char *, int, int, int));
-extern void insert P_ ((const unsigned char *, int));
-extern void insert_and_inherit P_ ((const unsigned char *, int));
-extern void insert_1 P_ ((const unsigned char *, int, int, int, int));
-extern void insert_1_both P_ ((const unsigned char *, int, int, int, int, int));
-extern void insert_from_gap P_ ((EMACS_INT, EMACS_INT));
-extern void insert_from_string P_ ((Lisp_Object, int, int, int, int, int));
-extern void insert_from_buffer P_ ((struct buffer *, int, int, int));
-extern void insert_char P_ ((int));
-extern void insert_string P_ ((const char *));
-extern void insert_before_markers P_ ((const unsigned char *, int));
-extern void insert_before_markers_and_inherit P_ ((const unsigned char *, int));
-extern void insert_from_string_before_markers P_ ((Lisp_Object, int, int, int, int, int));
-extern void del_range P_ ((int, int));
-extern Lisp_Object del_range_1 P_ ((int, int, int, int));
-extern void del_range_byte P_ ((int, int, int));
-extern void del_range_both P_ ((int, int, int, int, int));
-extern Lisp_Object del_range_2 P_ ((int, int, int, int, int));
-extern void modify_region P_ ((struct buffer *, int, int, int));
-extern void prepare_to_modify_buffer P_ ((int, int, int *));
-extern void signal_before_change P_ ((int, int, int *));
-extern void signal_after_change P_ ((int, int, int));
-extern void adjust_after_replace P_ ((int, int, Lisp_Object, int, int));
-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));
+extern void move_gap (EMACS_INT);
+extern void move_gap_both (EMACS_INT, EMACS_INT);
+extern void make_gap (EMACS_INT);
+extern EMACS_INT copy_text (const unsigned char *, unsigned char *,
+ EMACS_INT, int, int);
+extern EMACS_INT count_size_as_multibyte (const unsigned char *, EMACS_INT);
+extern int count_combining_before (const unsigned char *,
+ EMACS_INT, EMACS_INT, EMACS_INT);
+extern int count_combining_after (const unsigned char *,
+ EMACS_INT, EMACS_INT, EMACS_INT);
+extern void insert (const unsigned char *, EMACS_INT);
+extern void insert_and_inherit (const unsigned char *, EMACS_INT);
+extern void insert_1 (const unsigned char *, EMACS_INT, int, int, int);
+extern void insert_1_both (const unsigned char *, EMACS_INT, EMACS_INT,
+ int, int, int);
+extern void insert_from_gap (EMACS_INT, EMACS_INT);
+extern void insert_from_string (Lisp_Object, EMACS_INT, EMACS_INT,
+ EMACS_INT, EMACS_INT, int);
+extern void insert_from_buffer (struct buffer *, EMACS_INT, EMACS_INT, int);
+extern void insert_char (int);
+extern void insert_string (const char *);
+extern void insert_before_markers (const unsigned char *, EMACS_INT);
+extern void insert_before_markers_and_inherit (const unsigned char *,
+ EMACS_INT);
+extern void insert_from_string_before_markers (Lisp_Object, EMACS_INT,
+ EMACS_INT, EMACS_INT,
+ EMACS_INT, int);
+extern void del_range (EMACS_INT, EMACS_INT);
+extern Lisp_Object del_range_1 (EMACS_INT, EMACS_INT, int, int);
+extern void del_range_byte (EMACS_INT, EMACS_INT, int);
+extern void del_range_both (EMACS_INT, EMACS_INT, EMACS_INT, EMACS_INT, int);
+extern Lisp_Object del_range_2 (EMACS_INT, EMACS_INT,
+ EMACS_INT, EMACS_INT, int);
+extern void modify_region (struct buffer *, EMACS_INT, EMACS_INT, int);
+extern void prepare_to_modify_buffer (EMACS_INT, EMACS_INT, EMACS_INT *);
+extern void signal_before_change (EMACS_INT, EMACS_INT, EMACS_INT *);
+extern void signal_after_change (EMACS_INT, EMACS_INT, EMACS_INT);
+extern void adjust_after_replace (EMACS_INT, EMACS_INT, Lisp_Object,
+ EMACS_INT, EMACS_INT);
+extern void adjust_after_replace_noundo (EMACS_INT, EMACS_INT, EMACS_INT,
+ EMACS_INT, EMACS_INT, EMACS_INT);
+extern void adjust_after_insert (EMACS_INT, EMACS_INT, EMACS_INT,
+ EMACS_INT, EMACS_INT);
+extern void adjust_markers_for_delete (EMACS_INT, EMACS_INT,
+ EMACS_INT, EMACS_INT);
+extern void replace_range (EMACS_INT, EMACS_INT, Lisp_Object, int, int, int);
+extern void replace_range_2 (EMACS_INT, EMACS_INT, EMACS_INT, EMACS_INT,
+ char *, EMACS_INT, EMACS_INT, int);
+extern void syms_of_insdel (void);
/* Defined in dispnew.c */
extern Lisp_Object selected_frame;
extern Lisp_Object make_specified_string P_ ((const char *, int, int, int));
EXFUN (Fpurecopy, 1);
extern Lisp_Object make_pure_string P_ ((char *, int, int, int));
+extern Lisp_Object make_pure_c_string (const char *data);
extern Lisp_Object pure_cons P_ ((Lisp_Object, Lisp_Object));
extern Lisp_Object make_pure_vector P_ ((EMACS_INT));
EXFUN (Fgarbage_collect, 0);
EXFUN (Fchar_table_range, 2);
EXFUN (Fset_char_table_range, 3);
EXFUN (Fset_char_table_default, 3);
-EXFUN (Foptimize_char_table, 1);
+EXFUN (Foptimize_char_table, 2);
EXFUN (Fmap_char_table, 2);
extern Lisp_Object copy_char_table P_ ((Lisp_Object));
extern Lisp_Object sub_char_table_ref P_ ((Lisp_Object, int));
/* Defined in doprnt.c */
extern int doprnt P_ ((char *, int, char *, char *, int, char **));
-extern int doprnt_lisp P_ ((char *, int, char *, char *, int, char **));
/* Defined in lread.c */
extern Lisp_Object Qvariable_documentation, Qstandard_input;
EXFUN (Feval_region, 4);
extern Lisp_Object check_obarray P_ ((Lisp_Object));
extern Lisp_Object intern P_ ((const char *));
+extern Lisp_Object intern_c_string (const char *);
extern Lisp_Object make_symbol P_ ((char *));
extern Lisp_Object oblookup P_ ((Lisp_Object, const char *, int, int));
#define LOADHIST_ATTACH(x) \
/* defined in buffer.c */
extern int mouse_face_overlay_overlaps P_ ((Lisp_Object));
extern void nsberror P_ ((Lisp_Object)) NO_RETURN;
-extern char *no_switch_window P_ ((Lisp_Object window));
EXFUN (Fset_buffer_multibyte, 1);
EXFUN (Foverlay_start, 1);
EXFUN (Foverlay_end, 1);
+EXFUN (Foverlay_buffer, 1);
extern void adjust_overlays_for_insert P_ ((EMACS_INT, EMACS_INT));
extern void adjust_overlays_for_delete P_ ((EMACS_INT, EMACS_INT));
extern void fix_start_end_in_overlays P_ ((int, int));
EXFUN (Fbarf_if_buffer_read_only, 0);
EXFUN (Fcurrent_buffer, 0);
EXFUN (Fswitch_to_buffer, 2);
-EXFUN (Fpop_to_buffer, 3);
EXFUN (Fother_buffer, 3);
EXFUN (Foverlay_get, 2);
EXFUN (Fbuffer_modified_p, 1);
extern void report_file_error P_ ((const char *, Lisp_Object)) NO_RETURN;
extern int internal_delete_file P_ ((Lisp_Object));
extern void syms_of_fileio P_ ((void));
-extern void init_fileio_once P_ ((void));
extern Lisp_Object make_temp_name P_ ((Lisp_Object, int));
EXFUN (Fmake_symbolic_link, 3);
+extern Lisp_Object Qdelete_file;
/* Defined in abbrev.c */
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 int find_next_newline_no_quit P_ ((int, int));
-extern int find_before_next_newline P_ ((int, int, int));
+extern EMACS_INT fast_looking_at P_ ((Lisp_Object, EMACS_INT, EMACS_INT,
+ EMACS_INT, EMACS_INT, Lisp_Object));
+extern int scan_buffer P_ ((int, EMACS_INT, EMACS_INT, int, int *, int));
+extern int scan_newline P_ ((EMACS_INT, EMACS_INT, EMACS_INT, EMACS_INT,
+ int, int));
+extern int find_next_newline P_ ((EMACS_INT, int));
+extern int find_next_newline_no_quit P_ ((EMACS_INT, int));
+extern int find_before_next_newline P_ ((EMACS_INT, EMACS_INT, int));
extern void syms_of_search P_ ((void));
extern void clear_regexp_cache P_ ((void));
EXFUN (Feval_minibuffer, 2);
EXFUN (Fread_string, 5);
EXFUN (Fread_no_blanks_input, 3);
+EXFUN (Fassoc_string, 3);
extern Lisp_Object get_minibuffer P_ ((int));
extern void temp_echo_area_glyphs P_ ((Lisp_Object));
extern void init_minibuf_once P_ ((void));
extern void syms_of_minibuf P_ ((void));
-extern void keys_of_minibuf P_ ((void));
/* Defined in callint.c */
extern void syms_of_keyboard P_ ((void));
extern void keys_of_keyboard P_ ((void));
extern char *push_key_description P_ ((unsigned int, char *, int));
-extern void add_user_signal P_ ((int sig, const char *name));
/* defined in indent.c */
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 do_switch_frame P_ ((Lisp_Object, int, int));
+extern Lisp_Object do_switch_frame P_ ((Lisp_Object, int, int, 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, 1);
+EXFUN (Fselect_frame, 2);
EXFUN (Fselected_frame, 0);
EXFUN (Fwindow_frame, 1);
EXFUN (Fframe_root_window, 1);
EXFUN (Fset_frame_position, 3);
EXFUN (Fraise_frame, 1);
EXFUN (Fredirect_frame_focus, 2);
-EXFUN (Fset_frame_selected_window, 2);
+EXFUN (Fset_frame_selected_window, 3);
extern Lisp_Object frame_buffer_list P_ ((Lisp_Object));
extern void frames_discard_buffer P_ ((Lisp_Object));
extern void set_frame_buffer_list P_ ((Lisp_Object, Lisp_Object));
/* defined in emacs.c */
extern Lisp_Object decode_env_path P_ ((char *, char *));
extern Lisp_Object Vinvocation_name, Vinvocation_directory;
+extern Lisp_Object Vbefore_init_time, Vafter_init_time;
extern Lisp_Object Vinstallation_directory;
extern Lisp_Object empty_unibyte_string, empty_multibyte_string;
EXFUN (Fkill_emacs, 1);
void shut_down_emacs P_ ((int, int, Lisp_Object));
/* Nonzero means don't do interactive redisplay and don't change tty modes */
extern int noninteractive;
+
+/* Nonzero means don't load X resources or Windows Registry settings. */
+extern int inhibit_x_resources;
+
+/* Pipe used to send exit notification to the daemon parent at
+ startup. */
+extern int daemon_pipe[2];
+#define IS_DAEMON (daemon_pipe[1] != 0)
+
/* Nonzero means don't do use window-system-specific display code */
extern int inhibit_window_system;
/* Nonzero means that a filter or a sentinel is running. */
Lisp_Object,
Lisp_Object));
+/* defined in menu.c */
+extern void syms_of_menu P_ ((void));
+
/* defined in xmenu.c */
EXFUN (Fx_popup_menu, 2);
EXFUN (Fx_popup_dialog, 3);
/* Defined in dired.c */
EXFUN (Ffile_attributes, 2);
extern void syms_of_dired P_ ((void));
+extern Lisp_Object directory_files_internal P_ ((Lisp_Object, Lisp_Object,
+ Lisp_Object, Lisp_Object,
+ int, Lisp_Object));
/* Defined in term.c */
extern void syms_of_term P_ ((void));
EXFUN (Fdelete_terminal, 2);
extern void syms_of_terminal P_ ((void));
+/* Defined in font.c */
+extern void syms_of_font P_ ((void));
+
#ifdef HAVE_WINDOW_SYSTEM
/* Defined in fontset.c */
extern void syms_of_fontset P_ ((void));
/* Defined in xfns.c, w32fns.c, or macfns.c */
EXFUN (Fxw_display_color_p, 1);
EXFUN (Fx_file_dialog, 5);
+EXFUN (Fx_focus_frame, 1);
#endif
/* Defined in xfaces.c */
EXFUN (Fclear_face_cache, 1);
+EXFUN (Fx_load_color_file, 1);
extern void syms_of_xfaces P_ ((void));
#ifndef HAVE_GETLOADAVG
EXFUN (Fmsdos_downcase_filename, 1);
#endif
-#ifdef MAC_OS
-/* Defined in macfns.c */
-extern void syms_of_macfns P_ ((void));
-
-/* Defined in macselect.c */
-extern void syms_of_macselect P_ ((void));
-
-/* Defined in macterm.c */
-extern void syms_of_macterm P_ ((void));
-
-/* Defined in macmenu.c */
-extern void syms_of_macmenu P_ ((void));
-
-/* Defined in mac.c */
-extern void syms_of_mac P_ ((void));
-#ifdef MAC_OSX
-extern void init_mac_osx_environment P_ ((void));
-#endif /* MAC_OSX */
-#endif /* MAC_OS */
-
#ifdef HAVE_MENUS
-/* Defined in (x|mac|w32)fns.c... */
+/* Defined in (x|w32)fns.c, nsfns.m... */
extern int have_menus_p P_ ((void));
#endif
+
+#ifdef HAVE_DBUS
+/* Defined in dbusbind.c */
+int xd_pending_messages P_ ((void));
+void xd_read_queued_messages P_ ((void));
+void syms_of_dbusbind P_ ((void));
+#endif
\f
/* Nonzero means Emacs has already been initialized.
Used during startup to detect startup of dumped Emacs. */
HCoop / bpt / emacs.git / blobdiff