/* 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, 2009, 2010, 2011
+ Copyright (C) 1985-1987, 1993-1995, 1997-2011
Free Software Foundation, Inc.
This file is part of GNU Emacs.
types of run time checks for Lisp objects. */
#ifdef GC_CHECK_CONS_LIST
-#define CHECK_CONS_LIST() check_cons_list()
+extern void check_cons_list (void);
+#define CHECK_CONS_LIST() check_cons_list ()
#else
-#define CHECK_CONS_LIST() ((void)0)
+#define CHECK_CONS_LIST() ((void) 0)
#endif
/* These are default choices for the types to use. */
/* Define an Emacs version of "assert", since some system ones are
flaky. */
#ifndef ENABLE_CHECKING
-#define eassert(X) (void) 0
+#define eassert(X) ((void) (0 && (X))) /* Check that X compiles. */
#else /* ENABLE_CHECKING */
#if defined (__GNUC__) && __GNUC__ >= 2 && defined (__STDC__)
#define eassert(cond) CHECK(cond,"assertion failed: " #cond)
TYPEBITS-aligned. */
#ifndef NO_DECL_ALIGN
# ifndef DECL_ALIGN
-/* What compiler directive should we use for non-gcc compilers? -stef */
-# if defined (__GNUC__)
+# if HAVE_ATTRIBUTE_ALIGNED
# define DECL_ALIGN(type, var) \
type __attribute__ ((__aligned__ (1 << GCTYPEBITS))) var
+# else
+ /* What directives do other compilers use? */
# endif
# endif
#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 DARWIN_OS
+#if (defined GNU_MALLOC || defined DOUG_LEA_MALLOC || defined __GLIBC__ \
+ || defined DARWIN_OS || defined __sun)
/* We also need to be able to specify mult-of-8 alignment on static vars. */
# if defined DECL_ALIGN
# define USE_LSB_TAG
#define LISP_MAKE_RVALUE(o) (0+(o))
#endif /* USE_LISP_UNION_TYPE */
-/* In the size word of a vector, this bit means the vector has been marked. */
+/* In the size word of a vector, this bit means the vector has been marked.
+ (Shift -1 left, not 1, to avoid provoking overflow diagnostics.) */
-#define ARRAY_MARK_FLAG ((EMACS_UINT) 1 << (BITS_PER_EMACS_INT - 1))
+#define ARRAY_MARK_FLAG ((EMACS_INT) -1 << (BITS_PER_EMACS_INT - 1))
/* In the size word of a struct Lisp_Vector, this bit means it's really
some other vector-like object. */
-#define PSEUDOVECTOR_FLAG ((ARRAY_MARK_FLAG >> 1))
+#define PSEUDOVECTOR_FLAG ((EMACS_INT) 1 << (BITS_PER_EMACS_INT - 2))
/* In a pseudovector, the size field actually contains a word with one
PSEUDOVECTOR_FLAG bit set, and exactly one of the following bits to
((((EMACS_INT) (N)) & VALMASK) | ((EMACS_INT) Lisp_Int) << VALBITS)
#endif
-#define XSET(var, type, ptr) \
- ((var) = ((EMACS_INT)(type) << VALBITS) + ((EMACS_INT) (ptr) & VALMASK))
+#define XSET(var, type, ptr) \
+ ((var) = ((EMACS_INT) ((EMACS_UINT) (type) << VALBITS) \
+ + ((EMACS_INT) (ptr) & VALMASK)))
+#ifdef DATA_SEG_BITS
+/* DATA_SEG_BITS forces extra bits to be or'd in with any pointers
+ which were stored in a Lisp_Object */
+#define XPNTR(a) ((EMACS_UINT) (((a) & VALMASK) | DATA_SEG_BITS))
+#else
#define XPNTR(a) ((EMACS_UINT) ((a) & VALMASK))
+#endif
#endif /* not USE_LSB_TAG */
# define XSET(var, vartype, ptr) \
(((var).s.val = ((EMACS_INT) (ptr))), ((var).s.type = ((char) (vartype))))
+#ifdef DATA_SEG_BITS
+/* DATA_SEG_BITS forces extra bits to be or'd in with any pointers
+ which were stored in a Lisp_Object */
+#define XPNTR(a) (XUINT (a) | DATA_SEG_BITS)
+#else
+#define XPNTR(a) ((EMACS_INT) XUINT (a))
+#endif
+
#endif /* !USE_LSB_TAG */
#if __GNUC__ >= 2 && defined (__OPTIMIZE__)
#define EQ(x, y) (XHASH (x) == XHASH (y))
-#ifndef XPNTR
-#ifdef DATA_SEG_BITS
-/* This case is used for the rt-pc.
- In the diffs I was given, it checked for ptr = 0
- and did not adjust it in that case.
- But I don't think that zero should ever be found
- in a Lisp object whose data type says it points to something. */
-#define XPNTR(a) (XUINT (a) | DATA_SEG_BITS)
-#else
-/* 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 /* no XPNTR */
-
/* Largest and smallest representable fixnum values. These are the C
values. */
#define SCHARS(string) (XSTRING (string)->size + 0)
#define SBYTES(string) (STRING_BYTES (XSTRING (string)) + 0)
+/* Avoid "differ in sign" warnings. */
+#define SSDATA(x) ((char *) SDATA (x))
+
#define STRING_SET_CHARS(string, newsize) \
(XSTRING (string)->size = (newsize))
#endif /* not __GNUC__ */
+/* Nonzero iff C is an ASCII character. */
+#define ASCII_CHAR_P(c) ((unsigned) (c) < 0x80)
+
/* Almost equivalent to Faref (CT, IDX) with optimization for ASCII
characters. Do not check validity of CT. */
#define CHAR_TABLE_REF(CT, IDX) \
extern void defvar_kboard (struct Lisp_Kboard_Objfwd *, const char *, int);
/* Macros we use to define forwarded Lisp variables.
- These are used in the syms_of_FILENAME functions. */
+ These are used in the syms_of_FILENAME functions.
+
+ An ordinary (not in buffer_defaults, per-buffer, or per-keyboard)
+ lisp variable is actually a field in `struct emacs_globals'. The
+ field's name begins with "f_", which is a convention enforced by
+ these macros. Each such global has a corresponding #define in
+ globals.h; the plain name should be used in the code.
+
+ E.g., the global "cons_cells_consed" is declared as "int
+ f_cons_cells_consed" in globals.h, but there is a define:
+
+ #define cons_cells_consed globals.f_cons_cells_consed
+
+ All C code uses the `cons_cells_consed' name. This is all done
+ this way to support indirection for multi-threaded Emacs. */
#define DEFVAR_LISP(lname, vname, doc) \
do { \
static struct Lisp_Objfwd o_fwd; \
- defvar_lisp (&o_fwd, lname, vname); \
+ defvar_lisp (&o_fwd, lname, &globals.f_ ## vname); \
} while (0)
#define DEFVAR_LISP_NOPRO(lname, vname, doc) \
do { \
static struct Lisp_Objfwd o_fwd; \
- defvar_lisp_nopro (&o_fwd, lname, vname); \
+ defvar_lisp_nopro (&o_fwd, lname, &globals.f_ ## vname); \
} while (0)
#define DEFVAR_BOOL(lname, vname, doc) \
do { \
static struct Lisp_Boolfwd b_fwd; \
- defvar_bool (&b_fwd, lname, vname); \
+ defvar_bool (&b_fwd, lname, &globals.f_ ## vname); \
} while (0)
#define DEFVAR_INT(lname, vname, doc) \
do { \
static struct Lisp_Intfwd i_fwd; \
- defvar_int (&i_fwd, lname, vname); \
+ defvar_int (&i_fwd, lname, &globals.f_ ## vname); \
+ } while (0)
+
+#define DEFVAR_BUFFER_DEFAULTS(lname, vname, doc) \
+ do { \
+ static struct Lisp_Objfwd o_fwd; \
+ defvar_lisp_nopro (&o_fwd, lname, &BVAR (&buffer_defaults, vname)); \
} while (0)
#define DEFVAR_KBOARD(lname, vname, doc) \
static struct Lisp_Kboard_Objfwd ko_fwd; \
defvar_kboard (&ko_fwd, \
lname, \
- (int)((char *)(¤t_kboard->vname) \
+ (int)((char *)(¤t_kboard->vname ## _) \
- (char *)current_kboard)); \
} while (0)
extern struct specbinding *specpdl_ptr;
extern EMACS_INT specpdl_size;
-extern EMACS_INT max_specpdl_size;
-
#define SPECPDL_INDEX() ((int) (specpdl_ptr - specpdl))
/* Everything needed to describe an active condition case. */
#define QUITP (!NILP (Vquit_flag) && NILP (Vinhibit_quit))
\f
-/* Variables used locally in the following case handling macros. */
-extern int case_temp1;
-extern Lisp_Object case_temp2;
-
-/* Current buffer's map from characters to lower-case characters. */
-
-#define DOWNCASE_TABLE current_buffer->downcase_table
-
-/* Current buffer's map from characters to upper-case characters. */
-
-#define UPCASE_TABLE current_buffer->upcase_table
-
-/* Downcase a character, or make no change if that cannot be done. */
-
-#define DOWNCASE(CH) \
- ((case_temp1 = (CH), \
- case_temp2 = CHAR_TABLE_REF (DOWNCASE_TABLE, case_temp1), \
- NATNUMP (case_temp2)) \
- ? XFASTINT (case_temp2) : case_temp1)
-
-/* 1 if CH is upper case. */
-
-#define UPPERCASEP(CH) (DOWNCASE (CH) != (CH))
-
-/* 1 if CH is neither upper nor lower case. */
-
-#define NOCASEP(CH) (UPCASE1 (CH) == (CH))
-
-/* 1 if CH is lower case. */
-
-#define LOWERCASEP(CH) (!UPPERCASEP (CH) && !NOCASEP(CH))
-
-/* Upcase a character, or make no change if that cannot be done. */
-
-#define UPCASE(CH) (!UPPERCASEP (CH) ? UPCASE1 (CH) : (CH))
-
-/* Upcase a character known to be not upper case. */
-
-#define UPCASE1(CH) \
- ((case_temp1 = (CH), \
- case_temp2 = CHAR_TABLE_REF (UPCASE_TABLE, case_temp1), \
- NATNUMP (case_temp2)) \
- ? XFASTINT (case_temp2) : case_temp1)
-
extern Lisp_Object Vascii_downcase_table, Vascii_upcase_table;
extern Lisp_Object Vascii_canon_table, Vascii_eqv_table;
\f
extern int consing_since_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;
#define GC_MARK_STACK GC_USE_GCPROS_AS_BEFORE
#endif
+/* Whether we do the stack marking manually. */
+#define BYTE_MARK_STACK !(GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS \
+ || GC_MARK_STACK == GC_MARK_STACK_CHECK_GCPROS)
+
+
+#define GCPRO1(var) \
+ GCPRO1_VAR (var, gcpro)
+#define GCPRO2(var1, var2) \
+ GCPRO2_VAR (var1, var2, gcpro)
+#define GCPRO3(var1, var2, var3) \
+ GCPRO3_VAR (var1, var2, var3, gcpro)
+#define GCPRO4(var1, var2, var3, var4) \
+ GCPRO4_VAR (var1, var2, var3, var4, gcpro)
+#define GCPRO5(var1, var2, var3, var4, var5) \
+ GCPRO5_VAR (var1, var2, var3, var4, var5, gcpro)
+#define GCPRO6(var1, var2, var3, var4, var5, var6) \
+ GCPRO6_VAR (var1, var2, var3, var4, var5, var6, gcpro)
+#define UNGCPRO UNGCPRO_VAR (gcpro)
+
#if GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS
/* Do something silly with gcproN vars just so gcc shuts up. */
/* You get warnings from MIPSPro... */
-#define GCPRO1(varname) ((void) gcpro1)
-#define GCPRO2(varname1, varname2)(((void) gcpro2, (void) gcpro1))
-#define GCPRO3(varname1, varname2, varname3) \
- (((void) gcpro3, (void) gcpro2, (void) gcpro1))
-#define GCPRO4(varname1, varname2, varname3, varname4) \
- (((void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
-#define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
- (((void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
-#define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
- (((void) gcpro6, (void) gcpro5, (void) gcpro4, (void) gcpro3, (void) gcpro2, (void) gcpro1))
-#define UNGCPRO ((void) 0)
+#define GCPRO1_VAR(var, gcpro) ((void) gcpro##1)
+#define GCPRO2_VAR(var1, var2, gcpro) \
+ ((void) gcpro##2, (void) gcpro##1)
+#define GCPRO3_VAR(var1, var2, var3, gcpro) \
+ ((void) gcpro##3, (void) gcpro##2, (void) gcpro##1)
+#define GCPRO4_VAR(var1, var2, var3, var4, gcpro) \
+ ((void) gcpro##4, (void) gcpro##3, (void) gcpro##2, (void) gcpro##1)
+#define GCPRO5_VAR(var1, var2, var3, var4, var5, gcpro) \
+ ((void) gcpro##5, (void) gcpro##4, (void) gcpro##3, (void) gcpro##2, \
+ (void) gcpro##1)
+#define GCPRO6_VAR(var1, var2, var3, var4, var5, var6, gcpro) \
+ ((void) gcpro##6, (void) gcpro##5, (void) gcpro##4, (void) gcpro##3, \
+ (void) gcpro##2, (void) gcpro##1)
+#define UNGCPRO_VAR(gcpro) ((void) 0)
#else /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
#ifndef DEBUG_GCPRO
-#define GCPRO1(varname) \
- {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
- gcprolist = &gcpro1; }
-
-#define GCPRO2(varname1, varname2) \
- {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
- gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
- gcprolist = &gcpro2; }
-
-#define GCPRO3(varname1, varname2, varname3) \
- {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
- gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
- gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
- gcprolist = &gcpro3; }
-
-#define GCPRO4(varname1, varname2, varname3, varname4) \
- {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
- gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
- gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
- gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
- gcprolist = &gcpro4; }
-
-#define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
- {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
- gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
- gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
- gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
- gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
- gcprolist = &gcpro5; }
-
-#define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
- {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
- gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
- gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
- gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
- gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
- gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
- gcprolist = &gcpro6; }
-
-#define UNGCPRO (gcprolist = gcpro1.next)
+#define GCPRO1_VAR(var, gcpro) \
+ {gcpro##1.next = gcprolist; gcpro##1.var = &var; gcpro##1.nvars = 1; \
+ gcprolist = &gcpro##1; }
+
+#define GCPRO2_VAR(var1, var2, gcpro) \
+ {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \
+ gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \
+ gcprolist = &gcpro##2; }
+
+#define GCPRO3_VAR(var1, var2, var3, gcpro) \
+ {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \
+ gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \
+ gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \
+ gcprolist = &gcpro##3; }
+
+#define GCPRO4_VAR(var1, var2, var3, var4, gcpro) \
+ {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \
+ gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \
+ gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \
+ gcpro##4.next = &gcpro##3; gcpro##4.var = &var4; gcpro##4.nvars = 1; \
+ gcprolist = &gcpro##4; }
+
+#define GCPRO5_VAR(var1, var2, var3, var4, var5, gcpro) \
+ {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \
+ gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \
+ gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \
+ gcpro##4.next = &gcpro##3; gcpro##4.var = &var4; gcpro##4.nvars = 1; \
+ gcpro##5.next = &gcpro##4; gcpro##5.var = &var5; gcpro##5.nvars = 1; \
+ gcprolist = &gcpro##5; }
+
+#define GCPRO6_VAR(var1, var2, var3, var4, var5, var6, gcpro) \
+ {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \
+ gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \
+ gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \
+ gcpro##4.next = &gcpro##3; gcpro##4.var = &var4; gcpro##4.nvars = 1; \
+ gcpro##5.next = &gcpro##4; gcpro##5.var = &var5; gcpro##5.nvars = 1; \
+ gcpro##6.next = &gcpro##5; gcpro##6.var = &var6; gcpro##6.nvars = 1; \
+ gcprolist = &gcpro##6; }
+
+#define UNGCPRO_VAR(gcpro) (gcprolist = gcpro##1.next)
#else
extern int gcpro_level;
-#define GCPRO1(varname) \
- {gcpro1.next = gcprolist; gcpro1.var = &varname; gcpro1.nvars = 1; \
- gcpro1.level = gcpro_level++; \
- gcprolist = &gcpro1; }
-
-#define GCPRO2(varname1, varname2) \
- {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
- gcpro1.level = gcpro_level; \
- gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
- gcpro2.level = gcpro_level++; \
- gcprolist = &gcpro2; }
-
-#define GCPRO3(varname1, varname2, varname3) \
- {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
- gcpro1.level = gcpro_level; \
- gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
- gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
- gcpro3.level = gcpro_level++; \
- gcprolist = &gcpro3; }
-
-#define GCPRO4(varname1, varname2, varname3, varname4) \
- {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
- gcpro1.level = gcpro_level; \
- gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
- gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
- gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
- gcpro4.level = gcpro_level++; \
- gcprolist = &gcpro4; }
-
-#define GCPRO5(varname1, varname2, varname3, varname4, varname5) \
- {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
- gcpro1.level = gcpro_level; \
- gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
- gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
- gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
- gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
- gcpro5.level = gcpro_level++; \
- gcprolist = &gcpro5; }
-
-#define GCPRO6(varname1, varname2, varname3, varname4, varname5, varname6) \
- {gcpro1.next = gcprolist; gcpro1.var = &varname1; gcpro1.nvars = 1; \
- gcpro1.level = gcpro_level; \
- gcpro2.next = &gcpro1; gcpro2.var = &varname2; gcpro2.nvars = 1; \
- gcpro3.next = &gcpro2; gcpro3.var = &varname3; gcpro3.nvars = 1; \
- gcpro4.next = &gcpro3; gcpro4.var = &varname4; gcpro4.nvars = 1; \
- gcpro5.next = &gcpro4; gcpro5.var = &varname5; gcpro5.nvars = 1; \
- gcpro6.next = &gcpro5; gcpro6.var = &varname6; gcpro6.nvars = 1; \
- gcpro6.level = gcpro_level++; \
- gcprolist = &gcpro6; }
-
-#define UNGCPRO \
- ((--gcpro_level != gcpro1.level) \
- ? (abort (), 0) \
- : ((gcprolist = gcpro1.next), 0))
+#define GCPRO1_VAR(var, gcpro) \
+ {gcpro##1.next = gcprolist; gcpro##1.var = &var; gcpro##1.nvars = 1; \
+ gcpro##1.level = gcpro_level++; \
+ gcprolist = &gcpro##1; }
+
+#define GCPRO2_VAR(var1, var2, gcpro) \
+ {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \
+ gcpro##1.level = gcpro_level; \
+ gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \
+ gcpro##2.level = gcpro_level++; \
+ gcprolist = &gcpro##2; }
+
+#define GCPRO3_VAR(var1, var2, var3, gcpro) \
+ {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \
+ gcpro##1.level = gcpro_level; \
+ gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \
+ gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \
+ gcpro##3.level = gcpro_level++; \
+ gcprolist = &gcpro##3; }
+
+#define GCPRO4_VAR(var1, var2, var3, var4, gcpro) \
+ {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \
+ gcpro##1.level = gcpro_level; \
+ gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \
+ gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \
+ gcpro##4.next = &gcpro##3; gcpro##4.var = &var4; gcpro##4.nvars = 1; \
+ gcpro##4.level = gcpro_level++; \
+ gcprolist = &gcpro##4; }
+
+#define GCPRO5_VAR(var1, var2, var3, var4, var5, gcpro) \
+ {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \
+ gcpro##1.level = gcpro_level; \
+ gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \
+ gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \
+ gcpro##4.next = &gcpro##3; gcpro##4.var = &var4; gcpro##4.nvars = 1; \
+ gcpro##5.next = &gcpro##4; gcpro##5.var = &var5; gcpro##5.nvars = 1; \
+ gcpro##5.level = gcpro_level++; \
+ gcprolist = &gcpro##5; }
+
+#define GCPRO6_VAR(var1, var2, var3, var4, var5, var6, gcpro) \
+ {gcpro##1.next = gcprolist; gcpro##1.var = &var1; gcpro##1.nvars = 1; \
+ gcpro##1.level = gcpro_level; \
+ gcpro##2.next = &gcpro##1; gcpro##2.var = &var2; gcpro##2.nvars = 1; \
+ gcpro##3.next = &gcpro##2; gcpro##3.var = &var3; gcpro##3.nvars = 1; \
+ gcpro##4.next = &gcpro##3; gcpro##4.var = &var4; gcpro##4.nvars = 1; \
+ gcpro##5.next = &gcpro##4; gcpro##5.var = &var5; gcpro##5.nvars = 1; \
+ gcpro##6.next = &gcpro##5; gcpro##6.var = &var6; gcpro##6.nvars = 1; \
+ gcpro##6.level = gcpro_level++; \
+ gcprolist = &gcpro##6; }
+
+#define UNGCPRO_VAR(gcpro) \
+ ((--gcpro_level != gcpro##1.level) \
+ ? (abort (), 0) \
+ : ((gcprolist = gcpro##1.next), 0))
#endif /* DEBUG_GCPRO */
#endif /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
struct window;
struct frame;
-/* Defined in data.c */
+/* Defined in data.c. */
extern Lisp_Object Qnil, Qt, Qquote, Qlambda, Qsubr, Qunbound;
extern Lisp_Object Qerror_conditions, Qerror_message, Qtop_level;
extern Lisp_Object Qerror, Qquit, Qwrong_type_argument, Qargs_out_of_range;
EXFUN (Fstring, MANY);
extern EMACS_INT chars_in_text (const unsigned char *, EMACS_INT);
extern EMACS_INT multibyte_chars_in_text (const unsigned char *, EMACS_INT);
-extern int multibyte_char_to_unibyte (int, Lisp_Object);
+extern int multibyte_char_to_unibyte (int);
extern int multibyte_char_to_unibyte_safe (int);
extern void init_character_once (void);
extern void syms_of_character (void);
/* Defined in fns.c */
extern Lisp_Object QCrehash_size, QCrehash_threshold;
-extern int use_dialog_box;
-extern int use_file_dialog;
extern int next_almost_prime (int);
extern Lisp_Object larger_vector (Lisp_Object, int, Lisp_Object);
extern void sweep_weak_hash_tables (void);
extern Lisp_Object Qcursor_in_echo_area;
extern Lisp_Object Qstring_lessp;
-extern Lisp_Object Vfeatures;
extern Lisp_Object QCsize, QCtest, QCweakness, Qequal, Qeq, Qeql;
unsigned sxhash (Lisp_Object, int);
Lisp_Object make_hash_table (Lisp_Object, Lisp_Object, Lisp_Object,
/* Defined in fringe.c */
extern void syms_of_fringe (void);
extern void init_fringe (void);
+#ifdef HAVE_WINDOW_SYSTEM
+extern void mark_fringe_data (void);
extern void init_fringe_once (void);
+#endif /* HAVE_WINDOW_SYSTEM */
/* Defined in image.c */
extern Lisp_Object QCascent, QCmargin, QCrelief, Qcount, Qextension_data;
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,
+extern void insert (const char *, EMACS_INT);
+extern void insert_and_inherit (const char *, EMACS_INT);
+extern void insert_1 (const char *, EMACS_INT, int, int, int);
+extern void insert_1_both (const 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,
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_before_markers (const char *, EMACS_INT);
+extern void insert_before_markers_and_inherit (const char *, EMACS_INT);
extern void insert_from_string_before_markers (Lisp_Object, EMACS_INT,
EMACS_INT, EMACS_INT,
EMACS_INT, int);
/* Defined in dispnew.c */
extern Lisp_Object selected_frame;
-extern Lisp_Object Vwindow_system_version;
-extern EMACS_INT baud_rate;
+extern Lisp_Object Vwindow_system;
EXFUN (Fding, 1);
EXFUN (Fredraw_frame, 1);
EXFUN (Fsleep_for, 2);
extern Lisp_Object Qinhibit_eval_during_redisplay;
extern Lisp_Object Qmessage_truncate_lines;
extern Lisp_Object Qmenu_bar_update_hook;
-extern Lisp_Object Qwindow_scroll_functions, Vwindow_scroll_functions;
+extern Lisp_Object Qwindow_scroll_functions;
extern Lisp_Object Qoverriding_local_map, Qoverriding_terminal_local_map;
extern Lisp_Object Qimage, Qtext, Qboth, Qboth_horiz, Qtext_image_horiz;
extern Lisp_Object Qspace, Qcenter, QCalign_to;
extern Lisp_Object Qbar, Qhbar, Qbox, Qhollow;
extern Lisp_Object Qleft_margin, Qright_margin;
extern Lisp_Object Qglyphless_char;
-extern Lisp_Object Vmessage_log_max;
extern Lisp_Object QCdata, QCfile;
extern Lisp_Object QCmap;
extern Lisp_Object Qrisky_local_variable;
-extern Lisp_Object Vinhibit_redisplay;
extern struct frame *last_glyphless_glyph_frame;
extern unsigned last_glyphless_glyph_face_id;
extern int last_glyphless_glyph_merged_face_id;
extern int message_enable_multibyte;
extern int noninteractive_need_newline;
-extern EMACS_INT scroll_margin;
extern Lisp_Object echo_area_buffer[2];
extern void add_to_log (const char *, Lisp_Object, Lisp_Object);
extern void check_message_stack (void);
extern void mark_object (Lisp_Object);
extern void refill_memory_reserve (void);
extern const char *pending_malloc_warning;
-extern Lisp_Object Vpurify_flag;
-extern Lisp_Object Vmemory_full;
extern Lisp_Object *stack_base;
EXFUN (Fcons, 2);
extern Lisp_Object list1 (Lisp_Object);
/* Defined in print.c */
extern Lisp_Object Vprin1_to_string_buffer;
-extern Lisp_Object Vprint_level, Vprint_length;
extern void debug_print (Lisp_Object) EXTERNALLY_VISIBLE;
extern void safe_debug_print (Lisp_Object) EXTERNALLY_VISIBLE;
EXFUN (Fprin1, 2);
EXFUN (Fterpri, 1);
EXFUN (Fprint, 2);
EXFUN (Ferror_message_string, 1);
-extern Lisp_Object Vstandard_output, Qstandard_output;
+extern Lisp_Object Qstandard_output;
extern Lisp_Object Qexternal_debugging_output;
+extern void debug_output_compilation_hack (int);
extern void temp_output_buffer_setup (const char *);
-extern int print_level, print_escape_newlines;
+extern int print_level;
extern Lisp_Object Qprint_escape_newlines;
extern void write_string (const char *, int);
extern void print_error_message (Lisp_Object, Lisp_Object, const char *,
extern Lisp_Object internal_with_output_to_temp_buffer
(const char *, Lisp_Object (*) (Lisp_Object), Lisp_Object);
#define FLOAT_TO_STRING_BUFSIZE 350
-extern void float_to_string (unsigned char *, double);
+extern void float_to_string (char *, double);
extern void syms_of_print (void);
/* Defined in doprnt.c */
extern EMACS_INT doprnt (char *, int, const char *, const char *, va_list);
-/* Defined in lread.c */
-extern Lisp_Object Vafter_load_alist;
extern Lisp_Object Qvariable_documentation, Qstandard_input;
extern Lisp_Object Qbackquote, Qcomma, Qcomma_at, Qcomma_dot, Qfunction;
-extern Lisp_Object Vobarray, initial_obarray, Vstandard_input;
-extern int load_in_progress;
+extern Lisp_Object initial_obarray;
EXFUN (Fread, 1);
EXFUN (Fread_from_string, 3);
EXFUN (Fintern, 2);
do { \
if (initialized) Vcurrent_load_list = Fcons (x, Vcurrent_load_list); \
} while (0)
-extern Lisp_Object Vcurrent_load_list;
-extern Lisp_Object Vload_history, Vload_suffixes, Vload_file_rep_suffixes;
extern int openp (Lisp_Object, Lisp_Object, Lisp_Object,
Lisp_Object *, Lisp_Object);
extern int isfloat_string (const char *, int);
extern void init_lread (void);
extern void syms_of_lread (void);
-/* Defined in eval.c */
+/* Defined in eval.c. */
extern Lisp_Object Qautoload, Qexit, Qinteractive, Qcommandp, Qdefun, Qmacro;
-extern Lisp_Object Vinhibit_quit, Qinhibit_quit, Vquit_flag;
+extern Lisp_Object Qinhibit_quit;
extern Lisp_Object Vautoload_queue;
-extern Lisp_Object Vdebug_on_error;
extern Lisp_Object Vsignaling_function;
extern int handling_signal;
-extern int debug_on_next_call;
-
/* To run a normal hook, use the appropriate function from the list below.
The calling convention:
EXFUN (Frun_hook_with_args, MANY);
EXFUN (Frun_hook_with_args_until_failure, MANY);
extern void run_hook_with_args_2 (Lisp_Object, Lisp_Object, Lisp_Object);
+extern Lisp_Object run_hook_with_args (int nargs, Lisp_Object *args,
+ Lisp_Object (*funcall)
+ (int nargs, Lisp_Object *args));
EXFUN (Fprogn, UNEVALLED);
EXFUN (Finteractive_p, 0);
EXFUN (Fthrow, 2) NO_RETURN;
extern Lisp_Object safe_call1 (Lisp_Object, Lisp_Object);
extern Lisp_Object safe_call2 (Lisp_Object, Lisp_Object, Lisp_Object);
extern void init_eval (void);
+extern void mark_backtrace (void);
extern void syms_of_eval (void);
/* Defined in editfns.c */
-extern Lisp_Object last_nonmenu_event;
extern Lisp_Object Qfield;
-extern Lisp_Object Vinhibit_field_text_motion;
-extern Lisp_Object Vsystem_name;
-extern Lisp_Object Vuser_login_name;
EXFUN (Fcurrent_message, 0);
EXFUN (Fgoto_char, 1);
EXFUN (Fpoint_max_marker, 0);
extern Lisp_Object make_buffer_string_both (EMACS_INT, EMACS_INT, EMACS_INT,
EMACS_INT, int);
extern void init_editfns (void);
+const char *get_system_name (void);
+const char *get_operating_system_release (void);
extern void syms_of_editfns (void);
EXFUN (Fconstrain_to_field, 5);
EXFUN (Ffield_end, 3);
extern void report_overlay_modification (Lisp_Object, Lisp_Object, int,
Lisp_Object, Lisp_Object, Lisp_Object);
extern int overlay_touches_p (EMACS_INT);
-extern Lisp_Object Vbuffer_alist, Vinhibit_read_only;
+extern Lisp_Object Vbuffer_alist;
EXFUN (Fget_buffer, 1);
EXFUN (Fget_buffer_create, 1);
EXFUN (Fgenerate_new_buffer_name, 2);
extern void clear_charpos_cache (struct buffer *);
extern EMACS_INT charpos_to_bytepos (EMACS_INT);
extern EMACS_INT buf_charpos_to_bytepos (struct buffer *, EMACS_INT);
+extern EMACS_INT verify_bytepos (EMACS_INT charpos);
extern EMACS_INT buf_bytepos_to_charpos (struct buffer *, EMACS_INT);
extern void unchain_marker (struct Lisp_Marker *marker);
extern Lisp_Object set_marker_restricted (Lisp_Object, Lisp_Object, Lisp_Object);
extern Lisp_Object set_marker_both (Lisp_Object, Lisp_Object, EMACS_INT, EMACS_INT);
extern Lisp_Object set_marker_restricted_both (Lisp_Object, Lisp_Object,
EMACS_INT, EMACS_INT);
+extern int count_markers (struct buffer *);
extern void syms_of_marker (void);
/* Defined in fileio.c */
extern Lisp_Object Qfile_exists_p;
extern Lisp_Object Qfile_directory_p;
extern Lisp_Object Qinsert_file_contents;
-extern Lisp_Object Vauto_save_list_file_name;
+extern Lisp_Object Qfile_name_history;
EXFUN (Ffind_file_name_handler, 2);
EXFUN (Ffile_name_as_directory, 1);
EXFUN (Fexpand_file_name, 2);
EXFUN (Fmatch_beginning, 1);
EXFUN (Fmatch_end, 1);
extern void record_unwind_save_match_data (void);
+struct re_registers;
+extern struct re_pattern_buffer *compile_pattern (Lisp_Object,
+ struct re_registers *,
+ Lisp_Object, int, int);
extern int fast_string_match (Lisp_Object, Lisp_Object);
extern int fast_c_string_match_ignore_case (Lisp_Object, const char *);
extern int fast_string_match_ignore_case (Lisp_Object, Lisp_Object);
/* Defined in minibuf.c */
extern Lisp_Object Qcompletion_ignore_case;
-extern Lisp_Object Vcompletion_regexp_list;
-extern Lisp_Object Vhistory_length;
extern Lisp_Object Vminibuffer_list;
extern Lisp_Object last_minibuf_string;
-extern int completion_ignore_case;
-extern int history_delete_duplicates;
-extern int minibuffer_auto_raise;
extern void choose_minibuf_frame (void);
EXFUN (Fcompleting_read, 8);
EXFUN (Fread_from_minibuffer, 7);
/* Defined in callint.c */
-extern Lisp_Object Qminus, Qplus, Vcurrent_prefix_arg;
+extern Lisp_Object Qminus, Qplus;
extern Lisp_Object Qwhen;
-extern Lisp_Object Vcommand_history;
-extern Lisp_Object Vmark_even_if_inactive;
extern Lisp_Object Qcall_interactively, Qmouse_leave_buffer_hook;
EXFUN (Fprefix_numeric_value, 1);
extern void syms_of_callint (void);
extern Lisp_Object Qabove_handle, Qhandle, Qbelow_handle;
extern Lisp_Object Qup, Qdown, Qbottom, Qend_scroll;
extern Lisp_Object Qtop, Qratio;
-extern Lisp_Object Vsaved_region_selection;
-extern Lisp_Object Vselect_active_regions;
-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);
extern Lisp_Object command_loop_1 (void);
extern Lisp_Object recursive_edit_1 (void);
extern void record_auto_save (void);
+extern void force_auto_save_soon (void);
extern void init_keyboard (void);
extern void syms_of_keyboard (void);
extern void keys_of_keyboard (void);
EXFUN (Fvertical_motion, 2);
EXFUN (Findent_to, 2);
EXFUN (Fmove_to_column, 2);
-extern double current_column (void);
+extern EMACS_INT current_column (void);
extern void invalidate_current_column (void);
-extern int indented_beyond_p (EMACS_INT, EMACS_INT, double);
+extern int indented_beyond_p (EMACS_INT, EMACS_INT, EMACS_INT);
extern void syms_of_indent (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 Qonly;
extern Lisp_Object Qvisible;
extern int display_arg;
#endif
extern Lisp_Object decode_env_path (const char *, const 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;
extern Lisp_Object Qfile_name_handler_alist;
-extern Lisp_Object Vdynamic_library_alist;
extern void (*fatal_error_signal_hook) (void);
+extern void fatal_error_signal (int);
EXFUN (Fkill_emacs, 1) NO_RETURN;
#if HAVE_SETLOCALE
void fixup_locale (void);
/* 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;
-
/* Nonzero means remove site-lisp directories from load-path. */
extern int no_site_lisp;
extern void syms_of_process (void);
extern void setup_process_coding_systems (Lisp_Object);
-/* Defined in callproc.c */
-extern Lisp_Object Vexec_path, Vexec_suffixes,
- Vexec_directory, Vdata_directory;
-extern Lisp_Object Vdoc_directory;
-extern Lisp_Object Vshell_file_name;
EXFUN (Fcall_process, MANY);
-extern int child_setup (int, int, int, char **, int, Lisp_Object);
+extern int child_setup (int, int, int, char **, int, Lisp_Object)
+#ifndef DOS_NT
+ NO_RETURN
+#endif
+ ;
extern void init_callproc_1 (void);
extern void init_callproc (void);
extern void set_initial_environment (void);
/* Defined in doc.c */
extern Lisp_Object Qfunction_documentation;
-extern Lisp_Object Vdoc_file_name;
EXFUN (Fsubstitute_command_keys, 1);
EXFUN (Fdocumentation_property, 3);
extern Lisp_Object read_doc_string (Lisp_Object);
EXFUN (Fbyte_code, 3);
extern void syms_of_bytecode (void);
extern struct byte_stack *byte_stack_list;
+#ifdef BYTE_MARK_STACK
extern void mark_byte_stack (void);
+#endif
extern void unmark_byte_stack (void);
/* Defined in macros.c */
Lisp_Object, Lisp_Object,
Lisp_Object);
extern void syms_of_undo (void);
-extern Lisp_Object Vundo_outer_limit;
-
/* Defined in textprop.c */
extern Lisp_Object Qfont, Qmouse_face;
extern Lisp_Object Qinsert_in_front_hooks, Qinsert_behind_hooks;
extern void setup_pty (int);
extern int set_window_size (int, int, int);
extern void create_process (Lisp_Object, char **, Lisp_Object);
+extern long get_random (void);
+extern void seed_random (long);
extern int emacs_open (const char *, int, int);
extern int emacs_close (int);
extern int emacs_read (int, char *, unsigned int);
extern int memcmp (void *, void *, size_t);
#endif
-/* Defined in filelock.c */
-extern Lisp_Object Vtemporary_file_directory;
EXFUN (Funlock_buffer, 0);
extern void unlock_all_files (void);
extern void lock_file (Lisp_Object);
/* Defined in term.c */
extern int *char_ins_del_vector;
+extern void mark_ttys (void);
extern void syms_of_term (void);
extern void fatal (const char *msgid, ...) NO_RETURN;
/* Defined in xfns.c, w32fns.c, or macfns.c */
extern Lisp_Object Qfont_param;
-extern Lisp_Object Vx_no_window_manager;
EXFUN (Fxw_display_color_p, 1);
EXFUN (Fx_focus_frame, 1);
#endif
extern Lisp_Object QCfamily, QCweight, QCslant;
extern Lisp_Object QCheight, QCname, QCwidth, QCforeground, QCbackground;
extern Lisp_Object Vface_alternative_font_family_alist;
-extern Lisp_Object Vface_font_rescale_alist;
-extern Lisp_Object Vface_ignored_fonts;
extern Lisp_Object Vface_alternative_font_registry_alist;
-extern Lisp_Object Vscalable_fonts_allowed;
EXFUN (Fclear_face_cache, 1);
EXFUN (Fx_load_color_file, 1);
extern void syms_of_xfaces (void);
-#ifndef HAVE_GETLOADAVG
-/* Defined in getloadavg.c */
-extern int getloadavg (double *, int);
-#endif
-
#ifdef HAVE_X_WINDOWS
/* Defined in xfns.c */
extern void syms_of_xfns (void);
&& (circular_list_error ((list)), 1))) \
: 0)))
+/* Use this to suppress gcc's `...may be used before initialized' warnings. */
+#ifdef lint
+# define IF_LINT(Code) Code
+#else
+# define IF_LINT(Code) /* empty */
+#endif
+
/* The ubiquitous min and max macros. */
#ifdef max
else \
{ \
buf = (type) xmalloc (size); \
- sa_must_free++; \
+ sa_must_free = 1; \
record_unwind_protect (safe_alloca_unwind, \
make_save_value (buf, 0)); \
} \
buf = (Lisp_Object *) xmalloc (size_); \
arg_ = make_save_value (buf, nelt); \
XSAVE_VALUE (arg_)->dogc = 1; \
- sa_must_free++; \
+ sa_must_free = 1; \
record_unwind_protect (safe_alloca_unwind, arg_); \
} \
} while (0)
-#endif /* EMACS_LISP_H */
+#include "globals.h"
+#endif /* EMACS_LISP_H */
HCoop / bpt / emacs.git / blobdiff