-/* Fundamental definitions for GNU Emacs Lisp interpreter.
+/* Fundamental definitions for GNU Emacs Lisp interpreter. -*- coding: utf-8 -*-
Copyright (C) 1985-1987, 1993-1995, 1997-2015 Free Software Foundation,
Inc.
/* The maximum value that can be stored in a EMACS_INT, assuming all
bits other than the type bits contribute to a nonnegative signed value.
- This can be used in #if, e.g., '#if USB_TAG' below expands to an
+ This can be used in #if, e.g., '#if USE_LSB_TAG' below expands to an
expression involving VAL_MAX. */
#define VAL_MAX (EMACS_INT_MAX >> (GCTYPEBITS - 1))
#endif
#ifndef alignas
-# define alignas(alignment) /* empty */
-# if USE_LSB_TAG
-# error "USE_LSB_TAG requires alignas"
-# endif
+# error "alignas not defined"
#endif
#ifdef HAVE_STRUCT_ATTRIBUTE_ALIGNED
and/or via a function definition like this:
- LISP_MACRO_DEFUN (OP, Lisp_Object, (Lisp_Object x), (x))
-
- which macro-expands to this:
-
Lisp_Object (OP) (Lisp_Object x) { return lisp_h_OP (x); }
without worrying about the implementations diverging, since
#define lisp_h_XCONS(a) \
(eassert (CONSP (a)), (struct Lisp_Cons *) XUNTAG (a, Lisp_Cons))
#define lisp_h_XHASH(a) XUINT (a)
-#define lisp_h_XPNTR(a) \
- (SYMBOLP (a) ? XSYMBOL (a) : (void *) ((intptr_t) (XLI (a) & VALMASK)))
#ifndef GC_CHECK_CONS_LIST
# define lisp_h_check_cons_list() ((void) 0)
#endif
# define XCDR(c) lisp_h_XCDR (c)
# define XCONS(a) lisp_h_XCONS (a)
# define XHASH(a) lisp_h_XHASH (a)
-# define XPNTR(a) lisp_h_XPNTR (a)
# ifndef GC_CHECK_CONS_LIST
# define check_cons_list() lisp_h_check_cons_list ()
# endif
# endif
#endif
-/* Define NAME as a lisp.h inline function that returns TYPE and has
- arguments declared as ARGDECLS and passed as ARGS. ARGDECLS and
- ARGS should be parenthesized. Implement the function by calling
- lisp_h_NAME ARGS. */
-#define LISP_MACRO_DEFUN(name, type, argdecls, args) \
- INLINE type (name) argdecls { return lisp_h_##name args; }
-
-/* like LISP_MACRO_DEFUN, except NAME returns void. */
-#define LISP_MACRO_DEFUN_VOID(name, argdecls, args) \
- INLINE void (name) argdecls { lisp_h_##name args; }
-
/* Define the fundamental Lisp data structures. */
Lisp_Misc_Marker,
Lisp_Misc_Overlay,
Lisp_Misc_Save_Value,
+ Lisp_Misc_Finalizer,
/* Currently floats are not a misc type,
but let's define this in case we want to change that. */
Lisp_Misc_Float,
INLINE bool PROCESSP (Lisp_Object);
INLINE bool PSEUDOVECTORP (Lisp_Object, int);
INLINE bool SAVE_VALUEP (Lisp_Object);
+INLINE bool FINALIZERP (Lisp_Object);
INLINE void set_sub_char_table_contents (Lisp_Object, ptrdiff_t,
Lisp_Object);
INLINE bool STRINGP (Lisp_Object);
INLINE bool WINDOWP (Lisp_Object);
INLINE bool TERMINALP (Lisp_Object);
INLINE struct Lisp_Save_Value *XSAVE_VALUE (Lisp_Object);
+INLINE struct Lisp_Finalizer *XFINALIZER (Lisp_Object);
INLINE struct Lisp_Symbol *(XSYMBOL) (Lisp_Object);
INLINE void *(XUNTAG) (Lisp_Object, int);
/* Yield an integer that contains a symbol tag along with OFFSET.
OFFSET should be the offset in bytes from 'lispsym' to the symbol. */
-#define TAG_SYMOFFSET(offset) \
- TAG_PTR (Lisp_Symbol, \
- ((uintptr_t) (offset) >> (USE_LSB_TAG ? 0 : GCTYPEBITS)))
+#define TAG_SYMOFFSET(offset) TAG_PTR (Lisp_Symbol, offset)
/* XLI_BUILTIN_LISPSYM (iQwhatever) is equivalent to
XLI (builtin_lisp_symbol (Qwhatever)),
/* Declare extern constants for Lisp symbols. These can be helpful
when using a debugger like GDB, on older platforms where the debug
format does not represent C macros. */
-#define DEFINE_LISP_SYMBOL_BEGIN(name) \
- DEFINE_GDB_SYMBOL_BEGIN (Lisp_Object, name)
-#define DEFINE_LISP_SYMBOL_END(name) \
+#define DEFINE_LISP_SYMBOL(name) \
+ DEFINE_GDB_SYMBOL_BEGIN (Lisp_Object, name) \
DEFINE_GDB_SYMBOL_END (LISP_INITIALLY (XLI_BUILTIN_LISPSYM (i##name)))
+/* By default, define macros for Qt, etc., as this leads to a bit
+ better performance in the core Emacs interpreter. A plugin can
+ define DEFINE_NON_NIL_Q_SYMBOL_MACROS to be false, to be portable to
+ other Emacs instances that assign different values to Qt, etc. */
+#ifndef DEFINE_NON_NIL_Q_SYMBOL_MACROS
+# define DEFINE_NON_NIL_Q_SYMBOL_MACROS true
+#endif
+
#include "globals.h"
/* Convert a Lisp_Object to the corresponding EMACS_INT and vice versa.
At the machine level, these operations are no-ops. */
-LISP_MACRO_DEFUN (XLI, EMACS_INT, (Lisp_Object o), (o))
-LISP_MACRO_DEFUN (XIL, Lisp_Object, (EMACS_INT i), (i))
+
+INLINE EMACS_INT
+(XLI) (Lisp_Object o)
+{
+ return lisp_h_XLI (o);
+}
+
+INLINE Lisp_Object
+(XIL) (EMACS_INT i)
+{
+ return lisp_h_XIL (i);
+}
/* In the size word of a vector, this bit means the vector has been marked. */
#if USE_LSB_TAG
-LISP_MACRO_DEFUN (make_number, Lisp_Object, (EMACS_INT n), (n))
-LISP_MACRO_DEFUN (XINT, EMACS_INT, (Lisp_Object a), (a))
-LISP_MACRO_DEFUN (XFASTINT, EMACS_INT, (Lisp_Object a), (a))
-LISP_MACRO_DEFUN (XSYMBOL, struct Lisp_Symbol *, (Lisp_Object a), (a))
-LISP_MACRO_DEFUN (XTYPE, enum Lisp_Type, (Lisp_Object a), (a))
-LISP_MACRO_DEFUN (XUNTAG, void *, (Lisp_Object a, int type), (a, type))
+INLINE Lisp_Object
+(make_number) (EMACS_INT n)
+{
+ return lisp_h_make_number (n);
+}
+
+INLINE EMACS_INT
+(XINT) (Lisp_Object a)
+{
+ return lisp_h_XINT (a);
+}
+
+INLINE EMACS_INT
+(XFASTINT) (Lisp_Object a)
+{
+ return lisp_h_XFASTINT (a);
+}
+
+INLINE struct Lisp_Symbol *
+(XSYMBOL) (Lisp_Object a)
+{
+ return lisp_h_XSYMBOL (a);
+}
+
+INLINE enum Lisp_Type
+(XTYPE) (Lisp_Object a)
+{
+ return lisp_h_XTYPE (a);
+}
+
+INLINE void *
+(XUNTAG) (Lisp_Object a, int type)
+{
+ return lisp_h_XUNTAG (a, type);
+}
#else /* ! USE_LSB_TAG */
XSYMBOL (Lisp_Object a)
{
uintptr_t i = (uintptr_t) XUNTAG (a, Lisp_Symbol);
- if (! USE_LSB_TAG)
- i <<= GCTYPEBITS;
void *p = (char *) lispsym + i;
return p;
}
#endif /* ! USE_LSB_TAG */
-/* Extract the pointer hidden within A. */
-LISP_MACRO_DEFUN (XPNTR, void *, (Lisp_Object a), (a))
-
/* Extract A's value as an unsigned integer. */
INLINE EMACS_UINT
XUINT (Lisp_Object a)
/* Return A's (Lisp-integer sized) hash. Happens to be like XUINT
right now, but XUINT should only be applied to objects we know are
integers. */
-LISP_MACRO_DEFUN (XHASH, EMACS_INT, (Lisp_Object a), (a))
+
+INLINE EMACS_INT
+(XHASH) (Lisp_Object a)
+{
+ return lisp_h_XHASH (a);
+}
/* Like make_number (N), but may be faster. N must be in nonnegative range. */
INLINE Lisp_Object
}
/* Return true if X and Y are the same object. */
-LISP_MACRO_DEFUN (EQ, bool, (Lisp_Object x, Lisp_Object y), (x, y))
+
+INLINE bool
+(EQ) (Lisp_Object x, Lisp_Object y)
+{
+ return lisp_h_EQ (x, y);
+}
/* Value is true if I doesn't fit into a Lisp fixnum. It is
written this way so that it also works if I is of unsigned
/* Extract a value or address from a Lisp_Object. */
-LISP_MACRO_DEFUN (XCONS, struct Lisp_Cons *, (Lisp_Object a), (a))
+INLINE struct Lisp_Cons *
+(XCONS) (Lisp_Object a)
+{
+ return lisp_h_XCONS (a);
+}
INLINE struct Lisp_Vector *
XVECTOR (Lisp_Object a)
/* Type checking. */
-LISP_MACRO_DEFUN_VOID (CHECK_TYPE,
- (int ok, Lisp_Object predicate, Lisp_Object x),
- (ok, predicate, x))
-
-/* Deprecated and will be removed soon. */
-
-#define INTERNAL_FIELD(field) field ## _
+INLINE void
+(CHECK_TYPE) (int ok, Lisp_Object predicate, Lisp_Object x)
+{
+ lisp_h_CHECK_TYPE (ok, predicate, x);
+}
/* See the macros in intervals.h. */
}
/* Use these from normal code. */
-LISP_MACRO_DEFUN (XCAR, Lisp_Object, (Lisp_Object c), (c))
-LISP_MACRO_DEFUN (XCDR, Lisp_Object, (Lisp_Object c), (c))
+
+INLINE Lisp_Object
+(XCAR) (Lisp_Object c)
+{
+ return lisp_h_XCAR (c);
+}
+
+INLINE Lisp_Object
+(XCDR) (Lisp_Object c)
+{
+ return lisp_h_XCDR (c);
+}
/* Use these to set the fields of a cons cell.
/* Value is name of symbol. */
-LISP_MACRO_DEFUN (SYMBOL_VAL, Lisp_Object, (struct Lisp_Symbol *sym), (sym))
+INLINE Lisp_Object
+(SYMBOL_VAL) (struct Lisp_Symbol *sym)
+{
+ return lisp_h_SYMBOL_VAL (sym);
+}
INLINE struct Lisp_Symbol *
SYMBOL_ALIAS (struct Lisp_Symbol *sym)
return sym->val.fwd;
}
-LISP_MACRO_DEFUN_VOID (SET_SYMBOL_VAL,
- (struct Lisp_Symbol *sym, Lisp_Object v), (sym, v))
+INLINE void
+(SET_SYMBOL_VAL) (struct Lisp_Symbol *sym, Lisp_Object v)
+{
+ lisp_h_SET_SYMBOL_VAL (sym, v);
+}
INLINE void
SET_SYMBOL_ALIAS (struct Lisp_Symbol *sym, struct Lisp_Symbol *v)
value cannot be changed (there is an exception for keyword symbols,
whose value can be set to the keyword symbol itself). */
-LISP_MACRO_DEFUN (SYMBOL_CONSTANT_P, int, (Lisp_Object sym), (sym))
+INLINE int
+(SYMBOL_CONSTANT_P) (Lisp_Object sym)
+{
+ return lisp_h_SYMBOL_CONSTANT_P (sym);
+}
/* Placeholder for make-docfile to process. The actual symbol
definition is done by lread.c's defsym. */
return XSAVE_VALUE (obj)->data[n].object;
}
+/* A finalizer sentinel. */
+struct Lisp_Finalizer
+ {
+ struct Lisp_Misc_Any base;
+
+ /* Circular list of all active weak references. */
+ struct Lisp_Finalizer *prev;
+ struct Lisp_Finalizer *next;
+
+ /* Call FUNCTION when the finalizer becomes unreachable, even if
+ FUNCTION contains a reference to the finalizer; i.e., call
+ FUNCTION when it is reachable _only_ through finalizers. */
+ Lisp_Object function;
+ };
+
/* A miscellaneous object, when it's on the free list. */
struct Lisp_Free
{
struct Lisp_Marker u_marker;
struct Lisp_Overlay u_overlay;
struct Lisp_Save_Value u_save_value;
+ struct Lisp_Finalizer u_finalizer;
};
INLINE union Lisp_Misc *
eassert (SAVE_VALUEP (a));
return & XMISC (a)->u_save_value;
}
+
+INLINE struct Lisp_Finalizer *
+XFINALIZER (Lisp_Object a)
+{
+ eassert (FINALIZERP (a));
+ return & XMISC (a)->u_finalizer;
+}
+
\f
/* Forwarding pointer to an int variable.
This is allowed only in the value cell of a symbol,
\f
/* Data type checking. */
-LISP_MACRO_DEFUN (NILP, bool, (Lisp_Object x), (x))
+INLINE bool
+(NILP) (Lisp_Object x)
+{
+ return lisp_h_NILP (x);
+}
INLINE bool
NUMBERP (Lisp_Object x)
&& (TYPE_SIGNED (type) ? TYPE_MINIMUM (type) <= XINT (x) : 0 <= XINT (x)) \
&& XINT (x) <= TYPE_MAXIMUM (type))
-LISP_MACRO_DEFUN (CONSP, bool, (Lisp_Object x), (x))
-LISP_MACRO_DEFUN (FLOATP, bool, (Lisp_Object x), (x))
-LISP_MACRO_DEFUN (MISCP, bool, (Lisp_Object x), (x))
-LISP_MACRO_DEFUN (SYMBOLP, bool, (Lisp_Object x), (x))
-LISP_MACRO_DEFUN (INTEGERP, bool, (Lisp_Object x), (x))
-LISP_MACRO_DEFUN (VECTORLIKEP, bool, (Lisp_Object x), (x))
-LISP_MACRO_DEFUN (MARKERP, bool, (Lisp_Object x), (x))
+INLINE bool
+(CONSP) (Lisp_Object x)
+{
+ return lisp_h_CONSP (x);
+}
+INLINE bool
+(FLOATP) (Lisp_Object x)
+{
+ return lisp_h_FLOATP (x);
+}
+INLINE bool
+(MISCP) (Lisp_Object x)
+{
+ return lisp_h_MISCP (x);
+}
+INLINE bool
+(SYMBOLP) (Lisp_Object x)
+{
+ return lisp_h_SYMBOLP (x);
+}
+INLINE bool
+(INTEGERP) (Lisp_Object x)
+{
+ return lisp_h_INTEGERP (x);
+}
+INLINE bool
+(VECTORLIKEP) (Lisp_Object x)
+{
+ return lisp_h_VECTORLIKEP (x);
+}
+INLINE bool
+(MARKERP) (Lisp_Object x)
+{
+ return lisp_h_MARKERP (x);
+}
INLINE bool
STRINGP (Lisp_Object x)
return MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Save_Value;
}
+INLINE bool
+FINALIZERP (Lisp_Object x)
+{
+ return MISCP (x) && XMISCTYPE (x) == Lisp_Misc_Finalizer;
+}
+
INLINE bool
AUTOLOADP (Lisp_Object x)
{
CHECK_TYPE (CONSP (x) || NILP (x), Qlistp, x);
}
-LISP_MACRO_DEFUN_VOID (CHECK_LIST_CONS, (Lisp_Object x, Lisp_Object y), (x, y))
-LISP_MACRO_DEFUN_VOID (CHECK_SYMBOL, (Lisp_Object x), (x))
-LISP_MACRO_DEFUN_VOID (CHECK_NUMBER, (Lisp_Object x), (x))
+INLINE void
+(CHECK_LIST_CONS) (Lisp_Object x, Lisp_Object y)
+{
+ lisp_h_CHECK_LIST_CONS (x, y);
+}
+
+INLINE void
+(CHECK_SYMBOL) (Lisp_Object x)
+{
+ lisp_h_CHECK_SYMBOL (x);
+}
+
+INLINE void
+(CHECK_NUMBER) (Lisp_Object x)
+{
+ lisp_h_CHECK_NUMBER (x);
+}
INLINE void
CHECK_STRING (Lisp_Object x)
INLINE void
CHECK_NUMBER_OR_FLOAT (Lisp_Object x)
{
- CHECK_TYPE (FLOATP (x) || INTEGERP (x), Qnumberp, x);
+ CHECK_TYPE (NUMBERP (x), Qnumberp, x);
}
#define CHECK_NUMBER_OR_FLOAT_COERCE_MARKER(x) \
if (MARKERP (x)) \
XSETFASTINT (x, marker_position (x)); \
else \
- CHECK_TYPE (INTEGERP (x) || FLOATP (x), Qnumber_or_marker_p, x); \
+ CHECK_TYPE (NUMBERP (x), Qnumber_or_marker_p, x); \
} while (false)
/* Since we can't assign directly to the CAR or CDR fields of a cons
/* Most global vars are reset to their value via the specpdl mechanism,
but a few others are handled by storing their value here. */
-#if true /* GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS, but defined later. */
- struct gcpro *gcpro;
-#endif
sys_jmp_buf jmp;
EMACS_INT lisp_eval_depth;
ptrdiff_t pdlcount;
(c)->pdlcount = SPECPDL_INDEX (); \
(c)->poll_suppress_count = poll_suppress_count; \
(c)->interrupt_input_blocked = interrupt_input_blocked;\
- (c)->gcpro = gcprolist; \
(c)->byte_stack = byte_stack_list; \
handlerlist = (c);
extern Lisp_Object Vascii_downcase_table;
extern Lisp_Object Vascii_canon_table;
\f
-/* Structure for recording stack slots that need marking. */
-
-/* This is a chain of structures, each of which points at a Lisp_Object
- variable whose value should be marked in garbage collection.
- Normally every link of the chain is an automatic variable of a function,
- and its `val' points to some argument or local variable of the function.
- On exit to the function, the chain is set back to the value it had on entry.
- This way, no link remains in the chain when the stack frame containing the
- link disappears.
-
- Every function that can call Feval must protect in this fashion all
- Lisp_Object variables whose contents will be used again. */
-
-extern struct gcpro *gcprolist;
-
-struct gcpro
-{
- struct gcpro *next;
-
- /* Address of first protected variable. */
- volatile Lisp_Object *var;
-
- /* Number of consecutive protected variables. */
- ptrdiff_t nvars;
-
-#ifdef DEBUG_GCPRO
- /* File name where this record is used. */
- const char *name;
-
- /* Line number in this file. */
- int lineno;
-
- /* Index in the local chain of records. */
- int idx;
-
- /* Nesting level. */
- int level;
-#endif
-};
-
-/* Values of GC_MARK_STACK during compilation:
-
- 0 Use GCPRO as before
- 1 Do the real thing, make GCPROs and UNGCPRO no-ops.
- 2 Mark the stack, and check that everything GCPRO'd is
- marked.
- 3 Mark using GCPRO's, mark stack last, and count how many
- dead objects are kept alive.
-
- Formerly, method 0 was used. Currently, method 1 is used unless
- otherwise specified by hand when building, e.g.,
- "make CPPFLAGS='-DGC_MARK_STACK=GC_USE_GCPROS_AS_BEFORE'".
- Methods 2 and 3 are present mainly to debug the transition from 0 to 1. */
-
-#define GC_USE_GCPROS_AS_BEFORE 0
-#define GC_MAKE_GCPROS_NOOPS 1
-#define GC_MARK_STACK_CHECK_GCPROS 2
-#define GC_USE_GCPROS_CHECK_ZOMBIES 3
-
-#ifndef GC_MARK_STACK
-#define GC_MARK_STACK GC_MAKE_GCPROS_NOOPS
-#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)
-
-
-#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 GCPRO7(a, b, c, d, e, f, g) (GCPRO6 (a, b, c, d, e, f), (void) gcpro7)
-#define UNGCPRO ((void) 0)
-
-#else /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
-
-#ifndef DEBUG_GCPRO
-
-#define GCPRO1(a) \
- { gcpro1.next = gcprolist; gcpro1.var = &(a); gcpro1.nvars = 1; \
- gcprolist = &gcpro1; }
-
-#define GCPRO2(a, b) \
- { gcpro1.next = gcprolist; gcpro1.var = &(a); gcpro1.nvars = 1; \
- gcpro2.next = &gcpro1; gcpro2.var = &(b); gcpro2.nvars = 1; \
- gcprolist = &gcpro2; }
-
-#define GCPRO3(a, b, c) \
- { gcpro1.next = gcprolist; gcpro1.var = &(a); gcpro1.nvars = 1; \
- gcpro2.next = &gcpro1; gcpro2.var = &(b); gcpro2.nvars = 1; \
- gcpro3.next = &gcpro2; gcpro3.var = &(c); gcpro3.nvars = 1; \
- gcprolist = &gcpro3; }
-
-#define GCPRO4(a, b, c, d) \
- { gcpro1.next = gcprolist; gcpro1.var = &(a); gcpro1.nvars = 1; \
- gcpro2.next = &gcpro1; gcpro2.var = &(b); gcpro2.nvars = 1; \
- gcpro3.next = &gcpro2; gcpro3.var = &(c); gcpro3.nvars = 1; \
- gcpro4.next = &gcpro3; gcpro4.var = &(d); gcpro4.nvars = 1; \
- gcprolist = &gcpro4; }
-
-#define GCPRO5(a, b, c, d, e) \
- { gcpro1.next = gcprolist; gcpro1.var = &(a); gcpro1.nvars = 1; \
- gcpro2.next = &gcpro1; gcpro2.var = &(b); gcpro2.nvars = 1; \
- gcpro3.next = &gcpro2; gcpro3.var = &(c); gcpro3.nvars = 1; \
- gcpro4.next = &gcpro3; gcpro4.var = &(d); gcpro4.nvars = 1; \
- gcpro5.next = &gcpro4; gcpro5.var = &(e); gcpro5.nvars = 1; \
- gcprolist = &gcpro5; }
-
-#define GCPRO6(a, b, c, d, e, f) \
- { gcpro1.next = gcprolist; gcpro1.var = &(a); gcpro1.nvars = 1; \
- gcpro2.next = &gcpro1; gcpro2.var = &(b); gcpro2.nvars = 1; \
- gcpro3.next = &gcpro2; gcpro3.var = &(c); gcpro3.nvars = 1; \
- gcpro4.next = &gcpro3; gcpro4.var = &(d); gcpro4.nvars = 1; \
- gcpro5.next = &gcpro4; gcpro5.var = &(e); gcpro5.nvars = 1; \
- gcpro6.next = &gcpro5; gcpro6.var = &(f); gcpro6.nvars = 1; \
- gcprolist = &gcpro6; }
-
-#define GCPRO7(a, b, c, d, e, f, g) \
- { gcpro1.next = gcprolist; gcpro1.var = &(a); gcpro1.nvars = 1; \
- gcpro2.next = &gcpro1; gcpro2.var = &(b); gcpro2.nvars = 1; \
- gcpro3.next = &gcpro2; gcpro3.var = &(c); gcpro3.nvars = 1; \
- gcpro4.next = &gcpro3; gcpro4.var = &(d); gcpro4.nvars = 1; \
- gcpro5.next = &gcpro4; gcpro5.var = &(e); gcpro5.nvars = 1; \
- gcpro6.next = &gcpro5; gcpro6.var = &(f); gcpro6.nvars = 1; \
- gcpro7.next = &gcpro6; gcpro7.var = &(g); gcpro7.nvars = 1; \
- gcprolist = &gcpro7; }
-
-#define UNGCPRO (gcprolist = gcpro1.next)
-
-#else /* !DEBUG_GCPRO */
-
-extern int gcpro_level;
-
-#define GCPRO1(a) \
- { gcpro1.next = gcprolist; gcpro1.var = &(a); gcpro1.nvars = 1; \
- gcpro1.name = __FILE__; gcpro1.lineno = __LINE__; gcpro1.idx = 1; \
- gcpro1.level = gcpro_level++; \
- gcprolist = &gcpro1; }
-
-#define GCPRO2(a, b) \
- { gcpro1.next = gcprolist; gcpro1.var = &(a); gcpro1.nvars = 1; \
- gcpro1.name = __FILE__; gcpro1.lineno = __LINE__; gcpro1.idx = 1; \
- gcpro1.level = gcpro_level; \
- gcpro2.next = &gcpro1; gcpro2.var = &(b); gcpro2.nvars = 1; \
- gcpro2.name = __FILE__; gcpro2.lineno = __LINE__; gcpro2.idx = 2; \
- gcpro2.level = gcpro_level++; \
- gcprolist = &gcpro2; }
-
-#define GCPRO3(a, b, c) \
- { gcpro1.next = gcprolist; gcpro1.var = &(a); gcpro1.nvars = 1; \
- gcpro1.name = __FILE__; gcpro1.lineno = __LINE__; gcpro1.idx = 1; \
- gcpro1.level = gcpro_level; \
- gcpro2.next = &gcpro1; gcpro2.var = &(b); gcpro2.nvars = 1; \
- gcpro2.name = __FILE__; gcpro2.lineno = __LINE__; gcpro2.idx = 2; \
- gcpro3.next = &gcpro2; gcpro3.var = &(c); gcpro3.nvars = 1; \
- gcpro3.name = __FILE__; gcpro3.lineno = __LINE__; gcpro3.idx = 3; \
- gcpro3.level = gcpro_level++; \
- gcprolist = &gcpro3; }
-
-#define GCPRO4(a, b, c, d) \
- { gcpro1.next = gcprolist; gcpro1.var = &(a); gcpro1.nvars = 1; \
- gcpro1.name = __FILE__; gcpro1.lineno = __LINE__; gcpro1.idx = 1; \
- gcpro1.level = gcpro_level; \
- gcpro2.next = &gcpro1; gcpro2.var = &(b); gcpro2.nvars = 1; \
- gcpro2.name = __FILE__; gcpro2.lineno = __LINE__; gcpro2.idx = 2; \
- gcpro3.next = &gcpro2; gcpro3.var = &(c); gcpro3.nvars = 1; \
- gcpro3.name = __FILE__; gcpro3.lineno = __LINE__; gcpro3.idx = 3; \
- gcpro4.next = &gcpro3; gcpro4.var = &(d); gcpro4.nvars = 1; \
- gcpro4.name = __FILE__; gcpro4.lineno = __LINE__; gcpro4.idx = 4; \
- gcpro4.level = gcpro_level++; \
- gcprolist = &gcpro4; }
-
-#define GCPRO5(a, b, c, d, e) \
- { gcpro1.next = gcprolist; gcpro1.var = &(a); gcpro1.nvars = 1; \
- gcpro1.name = __FILE__; gcpro1.lineno = __LINE__; gcpro1.idx = 1; \
- gcpro1.level = gcpro_level; \
- gcpro2.next = &gcpro1; gcpro2.var = &(b); gcpro2.nvars = 1; \
- gcpro2.name = __FILE__; gcpro2.lineno = __LINE__; gcpro2.idx = 2; \
- gcpro3.next = &gcpro2; gcpro3.var = &(c); gcpro3.nvars = 1; \
- gcpro3.name = __FILE__; gcpro3.lineno = __LINE__; gcpro3.idx = 3; \
- gcpro4.next = &gcpro3; gcpro4.var = &(d); gcpro4.nvars = 1; \
- gcpro4.name = __FILE__; gcpro4.lineno = __LINE__; gcpro4.idx = 4; \
- gcpro5.next = &gcpro4; gcpro5.var = &(e); gcpro5.nvars = 1; \
- gcpro5.name = __FILE__; gcpro5.lineno = __LINE__; gcpro5.idx = 5; \
- gcpro5.level = gcpro_level++; \
- gcprolist = &gcpro5; }
-
-#define GCPRO6(a, b, c, d, e, f) \
- { gcpro1.next = gcprolist; gcpro1.var = &(a); gcpro1.nvars = 1; \
- gcpro1.name = __FILE__; gcpro1.lineno = __LINE__; gcpro1.idx = 1; \
- gcpro1.level = gcpro_level; \
- gcpro2.next = &gcpro1; gcpro2.var = &(b); gcpro2.nvars = 1; \
- gcpro2.name = __FILE__; gcpro2.lineno = __LINE__; gcpro2.idx = 2; \
- gcpro3.next = &gcpro2; gcpro3.var = &(c); gcpro3.nvars = 1; \
- gcpro3.name = __FILE__; gcpro3.lineno = __LINE__; gcpro3.idx = 3; \
- gcpro4.next = &gcpro3; gcpro4.var = &(d); gcpro4.nvars = 1; \
- gcpro4.name = __FILE__; gcpro4.lineno = __LINE__; gcpro4.idx = 4; \
- gcpro5.next = &gcpro4; gcpro5.var = &(e); gcpro5.nvars = 1; \
- gcpro5.name = __FILE__; gcpro5.lineno = __LINE__; gcpro5.idx = 5; \
- gcpro6.next = &gcpro5; gcpro6.var = &(f); gcpro6.nvars = 1; \
- gcpro6.name = __FILE__; gcpro6.lineno = __LINE__; gcpro6.idx = 6; \
- gcpro6.level = gcpro_level++; \
- gcprolist = &gcpro6; }
-
-#define GCPRO7(a, b, c, d, e, f, g) \
- { gcpro1.next = gcprolist; gcpro1.var = &(a); gcpro1.nvars = 1; \
- gcpro1.name = __FILE__; gcpro1.lineno = __LINE__; gcpro1.idx = 1; \
- gcpro1.level = gcpro_level; \
- gcpro2.next = &gcpro1; gcpro2.var = &(b); gcpro2.nvars = 1; \
- gcpro2.name = __FILE__; gcpro2.lineno = __LINE__; gcpro2.idx = 2; \
- gcpro3.next = &gcpro2; gcpro3.var = &(c); gcpro3.nvars = 1; \
- gcpro3.name = __FILE__; gcpro3.lineno = __LINE__; gcpro3.idx = 3; \
- gcpro4.next = &gcpro3; gcpro4.var = &(d); gcpro4.nvars = 1; \
- gcpro4.name = __FILE__; gcpro4.lineno = __LINE__; gcpro4.idx = 4; \
- gcpro5.next = &gcpro4; gcpro5.var = &(e); gcpro5.nvars = 1; \
- gcpro5.name = __FILE__; gcpro5.lineno = __LINE__; gcpro5.idx = 5; \
- gcpro6.next = &gcpro5; gcpro6.var = &(f); gcpro6.nvars = 1; \
- gcpro6.name = __FILE__; gcpro6.lineno = __LINE__; gcpro6.idx = 6; \
- gcpro7.next = &gcpro6; gcpro7.var = &(g); gcpro7.nvars = 1; \
- gcpro7.name = __FILE__; gcpro7.lineno = __LINE__; gcpro7.idx = 7; \
- gcpro7.level = gcpro_level++; \
- gcprolist = &gcpro7; }
-
-#define UNGCPRO \
- (--gcpro_level != gcpro1.level \
- ? emacs_abort () \
- : (void) (gcprolist = gcpro1.next))
-
-#endif /* DEBUG_GCPRO */
-#endif /* GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS */
-
-
-/* Evaluate expr, UNGCPRO, and then return the value of expr. */
-#define RETURN_UNGCPRO(expr) \
- do \
- { \
- Lisp_Object ret_ungc_val; \
- ret_ungc_val = (expr); \
- UNGCPRO; \
- return ret_ungc_val; \
- } \
- while (false)
-
/* Call staticpro (&var) to protect static variable `var'. */
void staticpro (Lisp_Object *);
#define INTEGER_TO_CONS(i) \
(! FIXNUM_OVERFLOW_P (i) \
? make_number (i) \
- : ! ((FIXNUM_OVERFLOW_P (INTMAX_MIN >> 16) \
- || FIXNUM_OVERFLOW_P (UINTMAX_MAX >> 16)) \
- && FIXNUM_OVERFLOW_P ((i) >> 16)) \
- ? Fcons (make_number ((i) >> 16), make_number ((i) & 0xffff)) \
- : ! ((FIXNUM_OVERFLOW_P (INTMAX_MIN >> 16 >> 24) \
- || FIXNUM_OVERFLOW_P (UINTMAX_MAX >> 16 >> 24)) \
- && FIXNUM_OVERFLOW_P ((i) >> 16 >> 24)) \
- ? Fcons (make_number ((i) >> 16 >> 24), \
- Fcons (make_number ((i) >> 16 & 0xffffff), \
- make_number ((i) & 0xffff))) \
- : make_float (i))
+ : EXPR_SIGNED (i) ? intbig_to_lisp (i) : uintbig_to_lisp (i))
+extern Lisp_Object intbig_to_lisp (intmax_t);
+extern Lisp_Object uintbig_to_lisp (uintmax_t);
/* Convert the Emacs representation CONS back to an integer of type
TYPE, storing the result the variable VAR. Signal an error if CONS
/* Defined in xdisp.c. */
extern bool noninteractive_need_newline;
extern Lisp_Object echo_area_buffer[2];
-extern void add_to_log (const char *, Lisp_Object, Lisp_Object);
+extern void add_to_log (char const *, ...);
+extern void vadd_to_log (char const *, va_list);
extern void check_message_stack (void);
-extern void setup_echo_area_for_printing (int);
+extern void setup_echo_area_for_printing (bool);
extern bool push_message (void);
extern void pop_message_unwind (void);
extern Lisp_Object restore_message_unwind (Lisp_Object);
extern void message3 (Lisp_Object);
extern void message3_nolog (Lisp_Object);
extern void message_dolog (const char *, ptrdiff_t, bool, bool);
-extern void message_with_string (const char *, Lisp_Object, int);
+extern void message_with_string (const char *, Lisp_Object, bool);
extern void message_log_maybe_newline (void);
extern void update_echo_area (void);
extern void truncate_echo_area (ptrdiff_t);
extern void syms_of_xdisp (void);
extern void init_xdisp (void);
extern Lisp_Object safe_eval (Lisp_Object);
-extern int pos_visible_p (struct window *, ptrdiff_t, int *,
- int *, int *, int *, int *, int *);
+extern bool pos_visible_p (struct window *, ptrdiff_t, int *,
+ int *, int *, int *, int *, int *);
/* Defined in xsettings.c. */
extern void syms_of_xsettings (void);
extern void syms_of_alloc (void);
extern struct buffer * allocate_buffer (void);
extern int valid_lisp_object_p (Lisp_Object);
-extern int relocatable_string_data_p (const char *);
#ifdef GC_CHECK_CONS_LIST
extern void check_cons_list (void);
#else
extern void debug_print (Lisp_Object) EXTERNALLY_VISIBLE;
extern void temp_output_buffer_setup (const char *);
extern int print_level;
-extern void write_string (const char *, int);
+extern void write_string (const char *);
extern void print_error_message (Lisp_Object, Lisp_Object, const char *,
Lisp_Object);
extern Lisp_Object internal_with_output_to_temp_buffer
ATTRIBUTE_FORMAT_PRINTF (1, 0);
extern void un_autoload (Lisp_Object);
extern Lisp_Object call_debugger (Lisp_Object arg);
+extern void *near_C_stack_top (void);
extern void init_eval_once (void);
extern Lisp_Object safe_call (ptrdiff_t, Lisp_Object, ...);
extern Lisp_Object safe_call1 (Lisp_Object, Lisp_Object);
/* Defined in editfns.c. */
extern void insert1 (Lisp_Object);
-extern Lisp_Object format2 (const char *, Lisp_Object, Lisp_Object);
extern Lisp_Object save_excursion_save (void);
extern Lisp_Object save_restriction_save (void);
extern void save_excursion_restore (Lisp_Object);
extern Lisp_Object make_buffer_string (ptrdiff_t, ptrdiff_t, bool);
extern Lisp_Object make_buffer_string_both (ptrdiff_t, ptrdiff_t, ptrdiff_t,
ptrdiff_t, bool);
-extern void init_editfns (void);
+extern void init_editfns (bool);
extern void syms_of_editfns (void);
/* Defined in buffer.c. */
extern void restore_point_unwind (Lisp_Object);
extern _Noreturn void report_file_errno (const char *, Lisp_Object, int);
extern _Noreturn void report_file_error (const char *, Lisp_Object);
+extern _Noreturn void report_file_notify_error (const char *, Lisp_Object);
extern bool internal_delete_file (Lisp_Object);
extern Lisp_Object emacs_readlinkat (int, const char *);
extern bool file_directory_p (const char *);
extern Lisp_Object echo_message_buffer;
extern struct kboard *echo_kboard;
extern void cancel_echoing (void);
-extern Lisp_Object last_undo_boundary;
extern bool input_pending;
#ifdef HAVE_STACK_OVERFLOW_HANDLING
extern sigjmp_buf return_to_command_loop;
extern bool no_site_lisp;
/* Pipe used to send exit notification to the daemon parent at
- startup. */
+ startup. On Windows, we use a kernel event instead. */
+#ifndef WINDOWSNT
extern int daemon_pipe[2];
#define IS_DAEMON (daemon_pipe[1] != 0)
+#define DAEMON_RUNNING (daemon_pipe[1] >= 0)
+#else /* WINDOWSNT */
+extern void *w32_daemon_event;
+#define IS_DAEMON (w32_daemon_event != NULL)
+#define DAEMON_RUNNING (w32_daemon_event != INVALID_HANDLE_VALUE)
+#endif
/* True if handling a fatal error already. */
extern bool fatal_error_in_progress;
extern void syms_of_callproc (void);
/* Defined in doc.c. */
+enum text_quoting_style
+ {
+ /* Use curved single quotes ‘like this’. */
+ CURVE_QUOTING_STYLE,
+
+ /* Use grave accent and apostrophe `like this'. */
+ GRAVE_QUOTING_STYLE,
+
+ /* Use apostrophes 'like this'. */
+ STRAIGHT_QUOTING_STYLE
+ };
+extern enum text_quoting_style text_quoting_style (void);
extern Lisp_Object read_doc_string (Lisp_Object);
extern Lisp_Object get_doc_string (Lisp_Object, bool, bool);
extern void syms_of_doc (void);
/* Defined in bytecode.c. */
extern void syms_of_bytecode (void);
extern struct byte_stack *byte_stack_list;
-#if BYTE_MARK_STACK
-extern void mark_byte_stack (void);
-#endif
-extern void unmark_byte_stack (void);
+extern void relocate_byte_stack (void);
extern Lisp_Object exec_byte_code (Lisp_Object, Lisp_Object, Lisp_Object,
Lisp_Object, ptrdiff_t, Lisp_Object *);
} \
} while (false)
-
-/* Return floor (NBYTES / WORD_SIZE). */
-
-INLINE ptrdiff_t
-lisp_word_count (ptrdiff_t nbytes)
-{
- if (-1 >> 1 == -1)
- switch (word_size)
- {
- case 2: return nbytes >> 1;
- case 4: return nbytes >> 2;
- case 8: return nbytes >> 3;
- case 16: return nbytes >> 4;
- }
- return nbytes / word_size - (nbytes % word_size < 0);
-}
-
/* SAFE_ALLOCA_LISP allocates an array of Lisp_Objects. */
#define SAFE_ALLOCA_LISP(buf, nelt) \
do { \
- if ((nelt) <= lisp_word_count (sa_avail)) \
- (buf) = AVAIL_ALLOCA ((nelt) * word_size); \
- else if ((nelt) <= min (PTRDIFF_MAX, SIZE_MAX) / word_size) \
+ ptrdiff_t alloca_nbytes; \
+ if (INT_MULTIPLY_WRAPV (nelt, word_size, &alloca_nbytes) \
+ || SIZE_MAX < alloca_nbytes) \
+ memory_full (SIZE_MAX); \
+ else if (alloca_nbytes <= sa_avail) \
+ (buf) = AVAIL_ALLOCA (alloca_nbytes); \
+ else \
{ \
Lisp_Object arg_; \
- (buf) = xmalloc ((nelt) * word_size); \
+ (buf) = xmalloc (alloca_nbytes); \
arg_ = make_save_memory (buf, nelt); \
sa_must_free = true; \
record_unwind_protect (free_save_value, arg_); \
} \
- else \
- memory_full (SIZE_MAX); \
} while (false)
# define USE_STACK_LISP_OBJECTS true
#endif
-/* USE_STACK_LISP_OBJECTS requires GC_MARK_STACK == GC_MAKE_GCPROS_NOOPS. */
-
-#if GC_MARK_STACK != GC_MAKE_GCPROS_NOOPS
-# undef USE_STACK_LISP_OBJECTS
-# define USE_STACK_LISP_OBJECTS false
-#endif
-
#ifdef GC_CHECK_STRING_BYTES
enum { defined_GC_CHECK_STRING_BYTES = true };
#else