/* Primitive operations on Lisp data types for GNU Emacs Lisp interpreter.
- Copyright (C) 1985-1986, 1988, 1993-1995, 1997-2012
- Free Software Foundation, Inc.
+ Copyright (C) 1985-1986, 1988, 1993-1995, 1997-2013 Free Software
+ Foundation, Inc.
This file is part of GNU Emacs.
#include <config.h>
-#include <signal.h>
#include <stdio.h>
-#include <setjmp.h>
#include <intprops.h>
#include "font.h"
#include "keymap.h"
-#include <float.h>
-/* If IEEE_FLOATING_POINT isn't defined, default it from FLT_*. */
-#ifndef IEEE_FLOATING_POINT
-#if (FLT_RADIX == 2 && FLT_MANT_DIG == 24 \
- && FLT_MIN_EXP == -125 && FLT_MAX_EXP == 128)
-#define IEEE_FLOATING_POINT 1
-#else
-#define IEEE_FLOATING_POINT 0
-#endif
-#endif
-
-#include <math.h>
-
Lisp_Object Qnil, Qt, Qquote, Qlambda, Qunbound;
static Lisp_Object Qsubr;
Lisp_Object Qerror_conditions, Qerror_message, Qtop_level;
Lisp_Object Qcdr;
static Lisp_Object Qad_advice_info, Qad_activate_internal;
-Lisp_Object Qrange_error, Qdomain_error, Qsingularity_error;
-Lisp_Object Qoverflow_error, Qunderflow_error;
+static Lisp_Object Qdomain_error, Qsingularity_error, Qunderflow_error;
+Lisp_Object Qrange_error, Qoverflow_error;
Lisp_Object Qfloatp;
Lisp_Object Qnumberp, Qnumber_or_marker_p;
-Lisp_Object Qinteger;
-static Lisp_Object Qsymbol, Qstring, Qcons, Qmarker, Qoverlay;
+Lisp_Object Qinteger, Qsymbol;
+static Lisp_Object Qcons, Qfloat, Qmisc, Qstring, Qvector;
Lisp_Object Qwindow;
-static Lisp_Object Qfloat, Qwindow_configuration;
-static Lisp_Object Qprocess;
-static Lisp_Object Qcompiled_function, Qframe, Qvector;
+static Lisp_Object Qoverlay, Qwindow_configuration;
+static Lisp_Object Qprocess, Qmarker;
+static Lisp_Object Qcompiled_function, Qframe;
Lisp_Object Qbuffer;
static Lisp_Object Qchar_table, Qbool_vector, Qhash_table;
static Lisp_Object Qsubrp, Qmany, Qunevalled;
static Lisp_Object Qdefun;
Lisp_Object Qinteractive_form;
+static Lisp_Object Qdefalias_fset_function;
static void swap_in_symval_forwarding (struct Lisp_Symbol *, struct Lisp_Buffer_Local_Value *);
to try and do that by checking the tagbits, but nowadays all
tagbits are potentially valid. */
/* if ((unsigned int) XTYPE (value) >= Lisp_Type_Limit)
- * abort (); */
+ * emacs_abort (); */
xsignal2 (Qwrong_type_argument, predicate, value);
}
case Lisp_Misc_Float:
return Qfloat;
}
- abort ();
+ emacs_abort ();
case Lisp_Vectorlike:
if (WINDOW_CONFIGURATIONP (object))
return Qfloat;
default:
- abort ();
+ emacs_abort ();
}
}
}
\f
-/* Extract and set components of lists */
+/* Extract and set components of lists. */
DEFUN ("car", Fcar, Scar, 1, 1, 0,
doc: /* Return the car of LIST. If arg is nil, return nil.
return newcdr;
}
\f
-/* Extract and set components of symbols */
+/* Extract and set components of symbols. */
DEFUN ("boundp", Fboundp, Sboundp, 1, 1, 0,
- doc: /* Return t if SYMBOL's value is not void. */)
+ doc: /* Return t if SYMBOL's value is not void.
+Note that if `lexical-binding' is in effect, this refers to the
+global value outside of any lexical scope. */)
(register Lisp_Object symbol)
{
Lisp_Object valcontents;
else
{
swap_in_symval_forwarding (sym, blv);
- valcontents = BLV_VALUE (blv);
+ valcontents = blv_value (blv);
}
break;
}
/* In set_internal, we un-forward vars when their value is
set to Qunbound. */
return Qt;
- default: abort ();
+ default: emacs_abort ();
}
return (EQ (valcontents, Qunbound) ? Qnil : Qt);
}
+/* FIXME: Make it an alias for function-symbol! */
DEFUN ("fboundp", Ffboundp, Sfboundp, 1, 1, 0,
doc: /* Return t if SYMBOL's function definition is not void. */)
(register Lisp_Object symbol)
{
CHECK_SYMBOL (symbol);
- return (EQ (XSYMBOL (symbol)->function, Qunbound) ? Qnil : Qt);
+ return NILP (XSYMBOL (symbol)->function) ? Qnil : Qt;
}
DEFUN ("makunbound", Fmakunbound, Smakunbound, 1, 1, 0,
}
DEFUN ("fmakunbound", Ffmakunbound, Sfmakunbound, 1, 1, 0,
- doc: /* Make SYMBOL's function definition be void.
+ doc: /* Make SYMBOL's function definition be nil.
Return SYMBOL. */)
(register Lisp_Object symbol)
{
CHECK_SYMBOL (symbol);
if (NILP (symbol) || EQ (symbol, Qt))
xsignal1 (Qsetting_constant, symbol);
- XSYMBOL (symbol)->function = Qunbound;
+ set_symbol_function (symbol, Qnil);
return symbol;
}
(register Lisp_Object symbol)
{
CHECK_SYMBOL (symbol);
- if (!EQ (XSYMBOL (symbol)->function, Qunbound))
- return XSYMBOL (symbol)->function;
- xsignal1 (Qvoid_function, symbol);
+ return XSYMBOL (symbol)->function;
}
DEFUN ("symbol-plist", Fsymbol_plist, Ssymbol_plist, 1, 1, 0,
(register Lisp_Object symbol, Lisp_Object definition)
{
register Lisp_Object function;
-
CHECK_SYMBOL (symbol);
- if (NILP (symbol) || EQ (symbol, Qt))
- xsignal1 (Qsetting_constant, symbol);
function = XSYMBOL (symbol)->function;
- if (!NILP (Vautoload_queue) && !EQ (function, Qunbound))
+ if (!NILP (Vautoload_queue) && !NILP (function))
Vautoload_queue = Fcons (Fcons (symbol, function), Vautoload_queue);
- if (CONSP (function) && EQ (XCAR (function), Qautoload))
+ if (AUTOLOADP (function))
Fput (symbol, Qautoload, XCDR (function));
- XSYMBOL (symbol)->function = definition;
- /* Handle automatic advice activation */
- if (CONSP (XSYMBOL (symbol)->plist) && !NILP (Fget (symbol, Qad_advice_info)))
- {
- call2 (Qad_activate_internal, symbol, Qnil);
- definition = XSYMBOL (symbol)->function;
- }
+ set_symbol_function (symbol, definition);
+
return definition;
}
DEFUN ("defalias", Fdefalias, Sdefalias, 2, 3, 0,
- doc: /* Set SYMBOL's function definition to DEFINITION, and return DEFINITION.
+ doc: /* Set SYMBOL's function definition to DEFINITION.
Associates the function with the current load file, if any.
The optional third argument DOCSTRING specifies the documentation string
for SYMBOL; if it is omitted or nil, SYMBOL uses the documentation string
-determined by DEFINITION. */)
+determined by DEFINITION.
+The return value is undefined. */)
(register Lisp_Object symbol, Lisp_Object definition, Lisp_Object docstring)
{
CHECK_SYMBOL (symbol);
- if (CONSP (XSYMBOL (symbol)->function)
- && EQ (XCAR (XSYMBOL (symbol)->function), Qautoload))
- LOADHIST_ATTACH (Fcons (Qt, symbol));
if (!NILP (Vpurify_flag)
/* If `definition' is a keymap, immutable (and copying) is wrong. */
&& !KEYMAPP (definition))
definition = Fpurecopy (definition);
- definition = Ffset (symbol, definition);
- LOADHIST_ATTACH (Fcons (Qdefun, symbol));
+
+ {
+ bool autoload = AUTOLOADP (definition);
+ if (NILP (Vpurify_flag) || !autoload)
+ { /* Only add autoload entries after dumping, because the ones before are
+ not useful and else we get loads of them from the loaddefs.el. */
+
+ if (AUTOLOADP (XSYMBOL (symbol)->function))
+ /* Remember that the function was already an autoload. */
+ LOADHIST_ATTACH (Fcons (Qt, symbol));
+ LOADHIST_ATTACH (Fcons (autoload ? Qautoload : Qdefun, symbol));
+ }
+ }
+
+ { /* Handle automatic advice activation. */
+ Lisp_Object hook = Fget (symbol, Qdefalias_fset_function);
+ if (!NILP (hook))
+ call2 (hook, symbol, definition);
+ else
+ Ffset (symbol, definition);
+ }
+
if (!NILP (docstring))
Fput (symbol, Qfunction_documentation, docstring);
- return definition;
+ /* We used to return `definition', but now that `defun' and `defmacro' expand
+ to a call to `defalias', we return `symbol' for backward compatibility
+ (bug#11686). */
+ return symbol;
}
DEFUN ("setplist", Fsetplist, Ssetplist, 2, 2, 0,
(register Lisp_Object symbol, Lisp_Object newplist)
{
CHECK_SYMBOL (symbol);
- XSYMBOL (symbol)->plist = newplist;
+ set_symbol_plist (symbol, newplist);
return newplist;
}
CHECK_SUBR (subr);
minargs = XSUBR (subr)->min_args;
maxargs = XSUBR (subr)->max_args;
- if (maxargs == MANY)
- return Fcons (make_number (minargs), Qmany);
- else if (maxargs == UNEVALLED)
- return Fcons (make_number (minargs), Qunevalled);
- else
- return Fcons (make_number (minargs), make_number (maxargs));
+ return Fcons (make_number (minargs),
+ maxargs == MANY ? Qmany
+ : maxargs == UNEVALLED ? Qunevalled
+ : make_number (maxargs));
}
DEFUN ("subr-name", Fsubr_name, Ssubr_name, 1, 1, 0,
{
Lisp_Object fun = indirect_function (cmd); /* Check cycles. */
- if (NILP (fun) || EQ (fun, Qunbound))
+ if (NILP (fun))
return Qnil;
/* Use an `interactive-form' property if present, analogous to the
- function-documentation property. */
+ function-documentation property. */
fun = cmd;
while (SYMBOLP (fun))
{
if ((ASIZE (fun) & PSEUDOVECTOR_SIZE_MASK) > COMPILED_INTERACTIVE)
return list2 (Qinteractive, AREF (fun, COMPILED_INTERACTIVE));
}
+ else if (AUTOLOADP (fun))
+ return Finteractive_form (Fautoload_do_load (fun, cmd, Qnil));
else if (CONSP (fun))
{
Lisp_Object funcar = XCAR (fun);
return Fassq (Qinteractive, Fcdr (Fcdr (XCDR (fun))));
else if (EQ (funcar, Qlambda))
return Fassq (Qinteractive, Fcdr (XCDR (fun)));
- else if (EQ (funcar, Qautoload))
- {
- struct gcpro gcpro1;
- GCPRO1 (cmd);
- do_autoload (fun, cmd);
- UNGCPRO;
- return Finteractive_form (cmd);
- }
}
return Qnil;
}
DEFUN ("indirect-variable", Findirect_variable, Sindirect_variable, 1, 1, 0,
doc: /* Return the variable at the end of OBJECT's variable chain.
-If OBJECT is a symbol, follow all variable indirections and return the final
-variable. If OBJECT is not a symbol, just return it.
-Signal a cyclic-variable-indirection error if there is a loop in the
-variable chain of symbols. */)
+If OBJECT is a symbol, follow its variable indirections (if any), and
+return the variable at the end of the chain of aliases. See Info node
+`(elisp)Variable Aliases'.
+
+If OBJECT is not a symbol, just return it. If there is a loop in the
+chain of aliases, signal a `cyclic-variable-indirection' error. */)
(Lisp_Object object)
{
if (SYMBOLP (object))
return *XOBJFWD (valcontents)->objvar;
case Lisp_Fwd_Buffer_Obj:
- return PER_BUFFER_VALUE (current_buffer,
+ return per_buffer_value (current_buffer,
XBUFFER_OBJFWD (valcontents)->offset);
case Lisp_Fwd_Kboard_Obj:
don't think anything will break. --lorentey */
return *(Lisp_Object *)(XKBOARD_OBJFWD (valcontents)->offset
+ (char *)FRAME_KBOARD (SELECTED_FRAME ()));
- default: abort ();
+ default: emacs_abort ();
}
}
b = XBUFFER (lbuf);
if (! PER_BUFFER_VALUE_P (b, idx))
- PER_BUFFER_VALUE (b, offset) = newval;
+ set_per_buffer_value (b, offset, newval);
}
}
break;
Lisp_Object type = XBUFFER_OBJFWD (valcontents)->slottype;
if (!(NILP (type) || NILP (newval)
- || (XINT (type) == LISP_INT_TAG
+ || (XINT (type) == Lisp_Int0
? INTEGERP (newval)
: XTYPE (newval) == XINT (type))))
buffer_slot_type_mismatch (newval, XINT (type));
if (buf == NULL)
buf = current_buffer;
- PER_BUFFER_VALUE (buf, offset) = newval;
+ set_per_buffer_value (buf, offset, newval);
}
break;
break;
default:
- abort (); /* goto def; */
+ emacs_abort (); /* goto def; */
}
}
-/* Set up SYMBOL to refer to its global binding.
- This makes it safe to alter the status of other bindings. */
+/* Set up SYMBOL to refer to its global binding. This makes it safe
+ to alter the status of other bindings. BEWARE: this may be called
+ during the mark phase of GC, where we assume that Lisp_Object slots
+ of BLV are marked after this function has changed them. */
void
swap_in_global_binding (struct Lisp_Symbol *symbol)
/* Unload the previously loaded binding. */
if (blv->fwd)
- SET_BLV_VALUE (blv, do_symval_forwarding (blv->fwd));
+ set_blv_value (blv, do_symval_forwarding (blv->fwd));
/* Select the global binding in the symbol. */
- blv->valcell = blv->defcell;
+ set_blv_valcell (blv, blv->defcell);
if (blv->fwd)
store_symval_forwarding (blv->fwd, XCDR (blv->defcell), NULL);
/* Indicate that the global binding is set up now. */
- blv->where = Qnil;
- SET_BLV_FOUND (blv, 0);
+ set_blv_where (blv, Qnil);
+ set_blv_found (blv, 0);
}
/* Set up the buffer-local symbol SYMBOL for validity in the current buffer.
/* Unload the previously loaded binding. */
tem1 = blv->valcell;
if (blv->fwd)
- SET_BLV_VALUE (blv, do_symval_forwarding (blv->fwd));
+ set_blv_value (blv, do_symval_forwarding (blv->fwd));
/* Choose the new binding. */
{
Lisp_Object var;
if (blv->frame_local)
{
tem1 = assq_no_quit (var, XFRAME (selected_frame)->param_alist);
- blv->where = selected_frame;
+ set_blv_where (blv, selected_frame);
}
else
{
tem1 = assq_no_quit (var, BVAR (current_buffer, local_var_alist));
- XSETBUFFER (blv->where, current_buffer);
+ set_blv_where (blv, Fcurrent_buffer ());
}
}
if (!(blv->found = !NILP (tem1)))
tem1 = blv->defcell;
/* Load the new binding. */
- blv->valcell = tem1;
+ set_blv_valcell (blv, tem1);
if (blv->fwd)
- store_symval_forwarding (blv->fwd, BLV_VALUE (blv), NULL);
+ store_symval_forwarding (blv->fwd, blv_value (blv), NULL);
}
}
\f
{
struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym);
swap_in_symval_forwarding (sym, blv);
- return blv->fwd ? do_symval_forwarding (blv->fwd) : BLV_VALUE (blv);
+ return blv->fwd ? do_symval_forwarding (blv->fwd) : blv_value (blv);
}
/* FALLTHROUGH */
case SYMBOL_FORWARDED:
return do_symval_forwarding (SYMBOL_FWD (sym));
- default: abort ();
+ default: emacs_abort ();
}
}
DEFUN ("symbol-value", Fsymbol_value, Ssymbol_value, 1, 1, 0,
- doc: /* Return SYMBOL's value. Error if that is void. */)
+ doc: /* Return SYMBOL's value. Error if that is void.
+Note that if `lexical-binding' is in effect, this returns the
+global value outside of any lexical scope. */)
(Lisp_Object symbol)
{
Lisp_Object val;
return newval;
}
-/* Return 1 if SYMBOL currently has a let-binding
+/* Return true if SYMBOL currently has a let-binding
which was made in the buffer that is now current. */
-static int
+static bool
let_shadows_buffer_binding_p (struct Lisp_Symbol *symbol)
{
struct specbinding *p;
return 0;
}
-static int
+static bool
let_shadows_global_binding_p (Lisp_Object symbol)
{
struct specbinding *p;
If buffer/frame-locality is an issue, WHERE specifies which context to use.
(nil stands for the current buffer/frame).
- If BINDFLAG is zero, then if this symbol is supposed to become
+ If BINDFLAG is false, then if this symbol is supposed to become
local in every buffer where it is set, then we make it local.
- If BINDFLAG is nonzero, we don't do that. */
+ If BINDFLAG is true, we don't do that. */
void
-set_internal (register Lisp_Object symbol, register Lisp_Object newval, register Lisp_Object where, int bindflag)
+set_internal (Lisp_Object symbol, Lisp_Object newval, Lisp_Object where,
+ bool bindflag)
{
- int voide = EQ (newval, Qunbound);
+ bool voide = EQ (newval, Qunbound);
struct Lisp_Symbol *sym;
Lisp_Object tem1;
the default binding is loaded, the loaded binding may be the
wrong one. */
if (!EQ (blv->where, where)
- /* Also unload a global binding (if the var is local_if_set). */
+ /* Also unload a global binding (if the var is local_if_set). */
|| (EQ (blv->valcell, blv->defcell)))
{
/* The currently loaded binding is not necessarily valid.
/* Write out `realvalue' to the old loaded binding. */
if (blv->fwd)
- SET_BLV_VALUE (blv, do_symval_forwarding (blv->fwd));
+ set_blv_value (blv, do_symval_forwarding (blv->fwd));
/* Find the new binding. */
XSETSYMBOL (symbol, sym); /* May have changed via aliasing. */
(blv->frame_local
? XFRAME (where)->param_alist
: BVAR (XBUFFER (where), local_var_alist)));
- blv->where = where;
+ set_blv_where (blv, where);
blv->found = 1;
if (NILP (tem1))
bindings, not for frame-local bindings. */
eassert (!blv->frame_local);
tem1 = Fcons (symbol, XCDR (blv->defcell));
- BVAR (XBUFFER (where), local_var_alist)
- = Fcons (tem1, BVAR (XBUFFER (where), local_var_alist));
+ bset_local_var_alist
+ (XBUFFER (where),
+ Fcons (tem1, BVAR (XBUFFER (where), local_var_alist)));
}
}
/* Record which binding is now loaded. */
- blv->valcell = tem1;
+ set_blv_valcell (blv, tem1);
}
/* Store the new value in the cons cell. */
- SET_BLV_VALUE (blv, newval);
+ set_blv_value (blv, newval);
if (blv->fwd)
{
store_symval_forwarding (/* sym, */ innercontents, newval, buf);
break;
}
- default: abort ();
+ default: emacs_abort ();
}
return;
}
{
int offset = XBUFFER_OBJFWD (valcontents)->offset;
if (PER_BUFFER_IDX (offset) != 0)
- return PER_BUFFER_DEFAULT (offset);
+ return per_buffer_default (offset);
}
/* For other variables, get the current value. */
return do_symval_forwarding (valcontents);
}
- default: abort ();
+ default: emacs_abort ();
}
}
int offset = XBUFFER_OBJFWD (valcontents)->offset;
int idx = PER_BUFFER_IDX (offset);
- PER_BUFFER_DEFAULT (offset) = value;
+ set_per_buffer_default (offset, value);
/* If this variable is not always local in all buffers,
set it in the buffers that don't nominally have a local value. */
{
struct buffer *b;
- for (b = all_buffers; b; b = b->header.next.buffer)
+ FOR_EACH_BUFFER (b)
if (!PER_BUFFER_VALUE_P (b, idx))
- PER_BUFFER_VALUE (b, offset) = value;
+ set_per_buffer_value (b, offset, value);
}
return value;
}
else
return Fset (symbol, value);
}
- default: abort ();
+ default: emacs_abort ();
}
}
};
static struct Lisp_Buffer_Local_Value *
-make_blv (struct Lisp_Symbol *sym, int forwarded, union Lisp_Val_Fwd valcontents)
+make_blv (struct Lisp_Symbol *sym, bool forwarded,
+ union Lisp_Val_Fwd valcontents)
{
- struct Lisp_Buffer_Local_Value *blv
- = xmalloc (sizeof (struct Lisp_Buffer_Local_Value));
+ struct Lisp_Buffer_Local_Value *blv = xmalloc (sizeof *blv);
Lisp_Object symbol;
Lisp_Object tem;
eassert (!(forwarded && BUFFER_OBJFWDP (valcontents.fwd)));
eassert (!(forwarded && KBOARD_OBJFWDP (valcontents.fwd)));
blv->fwd = forwarded ? valcontents.fwd : NULL;
- blv->where = Qnil;
+ set_blv_where (blv, Qnil);
blv->frame_local = 0;
blv->local_if_set = 0;
- blv->defcell = tem;
- blv->valcell = tem;
- SET_BLV_FOUND (blv, 0);
+ set_blv_defcell (blv, tem);
+ set_blv_valcell (blv, tem);
+ set_blv_found (blv, 0);
return blv;
}
struct Lisp_Symbol *sym;
struct Lisp_Buffer_Local_Value *blv = NULL;
union Lisp_Val_Fwd valcontents IF_LINT (= {LISP_INITIALLY_ZERO});
- int forwarded IF_LINT (= 0);
+ bool forwarded IF_LINT (= 0);
CHECK_SYMBOL (variable);
sym = XSYMBOL (variable);
else if (BUFFER_OBJFWDP (valcontents.fwd))
return variable;
break;
- default: abort ();
+ default: emacs_abort ();
}
if (sym->constant)
Do not use `make-local-variable' to make a hook variable buffer-local.
Instead, use `add-hook' and specify t for the LOCAL argument. */)
- (register Lisp_Object variable)
+ (Lisp_Object variable)
{
- register Lisp_Object tem;
- int forwarded IF_LINT (= 0);
+ Lisp_Object tem;
+ bool forwarded IF_LINT (= 0);
union Lisp_Val_Fwd valcontents IF_LINT (= {LISP_INITIALLY_ZERO});
struct Lisp_Symbol *sym;
struct Lisp_Buffer_Local_Value *blv = NULL;
error ("Symbol %s may not be buffer-local",
SDATA (SYMBOL_NAME (variable)));
break;
- default: abort ();
+ default: emacs_abort ();
}
if (sym->constant)
default value. */
find_symbol_value (variable);
- BVAR (current_buffer, local_var_alist)
- = Fcons (Fcons (variable, XCDR (blv->defcell)),
- BVAR (current_buffer, local_var_alist));
+ bset_local_var_alist
+ (current_buffer,
+ Fcons (Fcons (variable, XCDR (blv->defcell)),
+ BVAR (current_buffer, local_var_alist)));
/* Make sure symbol does not think it is set up for this buffer;
force it to look once again for this buffer's value. */
if (current_buffer == XBUFFER (blv->where))
- blv->where = Qnil;
- /* blv->valcell = blv->defcell;
- * SET_BLV_FOUND (blv, 0); */
- blv->found = 0;
+ set_blv_where (blv, Qnil);
+ set_blv_found (blv, 0);
}
/* If the symbol forwards into a C variable, then load the binding
if (idx > 0)
{
SET_PER_BUFFER_VALUE_P (current_buffer, idx, 0);
- PER_BUFFER_VALUE (current_buffer, offset)
- = PER_BUFFER_DEFAULT (offset);
+ set_per_buffer_value (current_buffer, offset,
+ per_buffer_default (offset));
}
}
return variable;
if (blv->frame_local)
return variable;
break;
- default: abort ();
+ default: emacs_abort ();
}
/* Get rid of this buffer's alist element, if any. */
XSETSYMBOL (variable, sym); /* Propagate variable indirection. */
tem = Fassq (variable, BVAR (current_buffer, local_var_alist));
if (!NILP (tem))
- BVAR (current_buffer, local_var_alist)
- = Fdelq (tem, BVAR (current_buffer, local_var_alist));
+ bset_local_var_alist
+ (current_buffer,
+ Fdelq (tem, BVAR (current_buffer, local_var_alist)));
/* If the symbol is set up with the current buffer's binding
loaded, recompute its value. We have to do it now, or else
Lisp_Object buf; XSETBUFFER (buf, current_buffer);
if (EQ (buf, blv->where))
{
- blv->where = Qnil;
- /* blv->valcell = blv->defcell;
- * SET_BLV_FOUND (blv, 0); */
+ set_blv_where (blv, Qnil);
blv->found = 0;
find_symbol_value (variable);
}
Note that since Emacs 23.1, variables cannot be both buffer-local and
frame-local any more (buffer-local bindings used to take precedence over
frame-local bindings). */)
- (register Lisp_Object variable)
+ (Lisp_Object variable)
{
- int forwarded;
+ bool forwarded;
union Lisp_Val_Fwd valcontents;
struct Lisp_Symbol *sym;
struct Lisp_Buffer_Local_Value *blv = NULL;
error ("Symbol %s may not be frame-local",
SDATA (SYMBOL_NAME (variable)));
break;
- default: abort ();
+ default: emacs_abort ();
}
if (sym->constant)
if (EQ (variable, XCAR (elt)))
{
eassert (!blv->frame_local);
- eassert (BLV_FOUND (blv) || !EQ (blv->where, tmp));
+ eassert (blv_found (blv) || !EQ (blv->where, tmp));
return Qt;
}
}
- eassert (!BLV_FOUND (blv) || !EQ (blv->where, tmp));
+ eassert (!blv_found (blv) || !EQ (blv->where, tmp));
return Qnil;
}
case SYMBOL_FORWARDED:
}
return Qnil;
}
- default: abort ();
+ default: emacs_abort ();
}
}
DEFUN ("local-variable-if-set-p", Flocal_variable_if_set_p, Slocal_variable_if_set_p,
1, 2, 0,
- doc: /* Non-nil if VARIABLE will be local in buffer BUFFER when set there.
-More precisely, this means that setting the variable \(with `set' or`setq'),
-while it does not have a `let'-style binding that was made in BUFFER,
-will produce a buffer local binding. See Info node
-`(elisp)Creating Buffer-Local'.
-BUFFER defaults to the current buffer. */)
+ doc: /* Non-nil if VARIABLE is local in buffer BUFFER when set there.
+BUFFER defaults to the current buffer.
+
+More precisely, return non-nil if either VARIABLE already has a local
+value in BUFFER, or if VARIABLE is automatically buffer-local (see
+`make-variable-buffer-local'). */)
(register Lisp_Object variable, Lisp_Object buffer)
{
struct Lisp_Symbol *sym;
case SYMBOL_FORWARDED:
/* All BUFFER_OBJFWD slots become local if they are set. */
return (BUFFER_OBJFWDP (SYMBOL_FWD (sym)) ? Qt : Qnil);
- default: abort ();
+ default: emacs_abort ();
}
}
if (!NILP (Flocal_variable_p (variable, Qnil)))
return Fcurrent_buffer ();
else if (sym->redirect == SYMBOL_LOCALIZED
- && BLV_FOUND (SYMBOL_BLV (sym)))
+ && blv_found (SYMBOL_BLV (sym)))
return SYMBOL_BLV (sym)->where;
else
return Qnil;
- default: abort ();
+ default: emacs_abort ();
}
}
for (;;)
{
- if (!SYMBOLP (hare) || EQ (hare, Qunbound))
+ if (!SYMBOLP (hare) || NILP (hare))
break;
hare = XSYMBOL (hare)->function;
- if (!SYMBOLP (hare) || EQ (hare, Qunbound))
+ if (!SYMBOLP (hare) || NILP (hare))
break;
hare = XSYMBOL (hare)->function;
/* Optimize for no indirection. */
result = object;
- if (SYMBOLP (result) && !EQ (result, Qunbound)
+ if (SYMBOLP (result) && !NILP (result)
&& (result = XSYMBOL (result)->function, SYMBOLP (result)))
result = indirect_function (result);
- if (!EQ (result, Qunbound))
+ if (!NILP (result))
return result;
if (NILP (noerror))
return Qnil;
}
\f
-/* Extract and set vector and string elements */
+/* Extract and set vector and string elements. */
DEFUN ("aref", Faref, Saref, 2, 2, 0,
doc: /* Return the element of ARRAY at index IDX.
{
if (idxval < 0 || idxval >= ASIZE (array))
args_out_of_range (array, idx);
- XVECTOR (array)->contents[idxval] = newelt;
+ ASET (array, idxval, newelt);
}
else if (BOOL_VECTOR_P (array))
{
{
/* We must relocate the string data. */
ptrdiff_t nchars = SCHARS (array);
- unsigned char *str;
USE_SAFE_ALLOCA;
+ unsigned char *str = SAFE_ALLOCA (nbytes);
- SAFE_ALLOCA (str, unsigned char *, nbytes);
memcpy (str, SDATA (array), nbytes);
allocate_string_data (XSTRING (array), nchars,
nbytes + new_bytes - prev_bytes);
arithcompare (Lisp_Object num1, Lisp_Object num2, enum comparison comparison)
{
double f1 = 0, f2 = 0;
- int floatp = 0;
+ bool floatp = 0;
CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (num1);
CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (num2);
return Qnil;
default:
- abort ();
+ emacs_abort ();
}
}
uintmax_t
cons_to_unsigned (Lisp_Object c, uintmax_t max)
{
- int valid = 0;
+ bool valid = 0;
uintmax_t val IF_LINT (= 0);
if (INTEGERP (c))
{
intmax_t
cons_to_signed (Lisp_Object c, intmax_t min, intmax_t max)
{
- int valid = 0;
+ bool valid = 0;
intmax_t val IF_LINT (= 0);
if (INTEGERP (c))
{
NUMBER may be an integer or a floating point number. */)
(Lisp_Object number)
{
- char buffer[VALBITS];
+ char buffer[max (FLOAT_TO_STRING_BUFSIZE, INT_BUFSIZE_BOUND (EMACS_INT))];
+ int len;
CHECK_NUMBER_OR_FLOAT (number);
if (FLOATP (number))
- {
- char pigbuf[FLOAT_TO_STRING_BUFSIZE];
-
- float_to_string (pigbuf, XFLOAT_DATA (number));
- return build_string (pigbuf);
- }
+ len = float_to_string (buffer, XFLOAT_DATA (number));
+ else
+ len = sprintf (buffer, "%"pI"d", XINT (number));
- sprintf (buffer, "%"pI"d", XINT (number));
- return build_string (buffer);
+ return make_unibyte_string (buffer, len);
}
DEFUN ("string-to-number", Fstring_to_number, Sstring_to_number, 1, 2, 0,
static Lisp_Object
arith_driver (enum arithop code, ptrdiff_t nargs, Lisp_Object *args)
{
- register Lisp_Object val;
- ptrdiff_t argnum;
- register EMACS_INT accum = 0;
- register EMACS_INT next;
-
- int overflow = 0;
- ptrdiff_t ok_args;
- EMACS_INT ok_accum;
+ Lisp_Object val;
+ ptrdiff_t argnum, ok_args;
+ EMACS_INT accum = 0;
+ EMACS_INT next, ok_accum;
+ bool overflow = 0;
- switch (SWITCH_ENUM_CAST (code))
+ switch (code)
{
case Alogior:
case Alogxor:
nargs, args);
args[argnum] = val;
next = XINT (args[argnum]);
- switch (SWITCH_ENUM_CAST (code))
+ switch (code)
{
case Aadd:
if (INT_ADD_OVERFLOW (accum, next))
args[argnum] = val; /* runs into a compiler bug. */
next = XINT (args[argnum]);
}
- switch (SWITCH_ENUM_CAST (code))
+ switch (code)
{
case Aadd:
accum += next;
return arith_driver (Amult, nargs, args);
}
-DEFUN ("/", Fquo, Squo, 2, MANY, 0,
+DEFUN ("/", Fquo, Squo, 1, MANY, 0,
doc: /* Return first argument divided by all the remaining arguments.
The arguments must be numbers or markers.
-usage: (/ DIVIDEND DIVISOR &rest DIVISORS) */)
+usage: (/ DIVIDEND &rest DIVISORS) */)
(ptrdiff_t nargs, Lisp_Object *args)
{
ptrdiff_t argnum;
return val;
}
-#ifndef HAVE_FMOD
-double
-fmod (double f1, double f2)
-{
- double r = f1;
-
- if (f2 < 0.0)
- f2 = -f2;
-
- /* If the magnitude of the result exceeds that of the divisor, or
- the sign of the result does not agree with that of the dividend,
- iterate with the reduced value. This does not yield a
- particularly accurate result, but at least it will be in the
- range promised by fmod. */
- do
- r -= f2 * floor (r / f2);
- while (f2 <= (r < 0 ? -r : r) || ((r < 0) != (f1 < 0) && ! isnan (r)));
-
- return r;
-}
-#endif /* ! HAVE_FMOD */
-
DEFUN ("mod", Fmod, Smod, 2, 2, 0,
doc: /* Return X modulo Y.
The result falls between zero (inclusive) and Y (exclusive).
Fput (Qerror, Qerror_conditions,
error_tail);
Fput (Qerror, Qerror_message,
- make_pure_c_string ("error"));
+ build_pure_c_string ("error"));
#define PUT_ERROR(sym, tail, msg) \
Fput (sym, Qerror_conditions, pure_cons (sym, tail)); \
- Fput (sym, Qerror_message, make_pure_c_string (msg))
+ Fput (sym, Qerror_message, build_pure_c_string (msg))
PUT_ERROR (Qquit, Qnil, "Quit");
arith_tail = pure_cons (Qarith_error, error_tail);
Fput (Qarith_error, Qerror_conditions, arith_tail);
- Fput (Qarith_error, Qerror_message, make_pure_c_string ("Arithmetic error"));
+ Fput (Qarith_error, Qerror_message, build_pure_c_string ("Arithmetic error"));
PUT_ERROR (Qbeginning_of_buffer, error_tail, "Beginning of buffer");
PUT_ERROR (Qend_of_buffer, error_tail, "End of buffer");
DEFSYM (Qwindow_configuration, "window-configuration");
DEFSYM (Qprocess, "process");
DEFSYM (Qwindow, "window");
- /* DEFSYM (Qsubr, "subr"); */
DEFSYM (Qcompiled_function, "compiled-function");
DEFSYM (Qbuffer, "buffer");
DEFSYM (Qframe, "frame");
DEFSYM (Qchar_table, "char-table");
DEFSYM (Qbool_vector, "bool-vector");
DEFSYM (Qhash_table, "hash-table");
+ DEFSYM (Qmisc, "misc");
DEFSYM (Qdefun, "defun");
DEFSYM (Qfont_object, "font-object");
DEFSYM (Qinteractive_form, "interactive-form");
+ DEFSYM (Qdefalias_fset_function, "defalias-fset-function");
defsubr (&Sindirect_variable);
defsubr (&Sinteractive_form);
defsubr (&Ssubr_arity);
defsubr (&Ssubr_name);
- XSYMBOL (Qwholenump)->function = XSYMBOL (Qnatnump)->function;
+ set_symbol_function (Qwholenump, XSYMBOL (Qnatnump)->function);
DEFVAR_LISP ("most-positive-fixnum", Vmost_positive_fixnum,
doc: /* The largest value that is representable in a Lisp integer. */);
Vmost_negative_fixnum = make_number (MOST_NEGATIVE_FIXNUM);
XSYMBOL (intern_c_string ("most-negative-fixnum"))->constant = 1;
}
-
-#ifndef FORWARD_SIGNAL_TO_MAIN_THREAD
-static void arith_error (int) NO_RETURN;
-#endif
-
-static void
-arith_error (int signo)
-{
- sigsetmask (SIGEMPTYMASK);
-
- SIGNAL_THREAD_CHECK (signo);
- xsignal0 (Qarith_error);
-}
-
-void
-init_data (void)
-{
- /* Don't do this if just dumping out.
- We don't want to call `signal' in this case
- so that we don't have trouble with dumping
- signal-delivering routines in an inconsistent state. */
-#ifndef CANNOT_DUMP
- if (!initialized)
- return;
-#endif /* CANNOT_DUMP */
- signal (SIGFPE, arith_error);
-}