/* Primitive operations on Lisp data types for GNU Emacs Lisp interpreter.
- Copyright (C) 1985,86,88,93,94,95,97,98,99,2000 Free Software Foundation, Inc.
+ Copyright (C) 1985, 1986, 1988, 1993, 1994, 1995, 1997, 1998, 1999, 2000,
+ 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of GNU Emacs.
You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
#include <config.h>
Lisp_Object Qerror_conditions, Qerror_message, Qtop_level;
Lisp_Object Qerror, Qquit, Qwrong_type_argument, Qargs_out_of_range;
Lisp_Object Qvoid_variable, Qvoid_function, Qcyclic_function_indirection;
+Lisp_Object Qcyclic_variable_indirection, Qcircular_list;
Lisp_Object Qsetting_constant, Qinvalid_read_syntax;
Lisp_Object Qinvalid_function, Qwrong_number_of_arguments, Qno_catch;
Lisp_Object Qend_of_file, Qarith_error, Qmark_inactive;
Lisp_Object Qbeginning_of_buffer, Qend_of_buffer, Qbuffer_read_only;
Lisp_Object Qtext_read_only;
+
Lisp_Object Qintegerp, Qnatnump, Qwholenump, Qsymbolp, Qlistp, Qconsp;
Lisp_Object Qstringp, Qarrayp, Qsequencep, Qbufferp;
Lisp_Object Qchar_or_string_p, Qmarkerp, Qinteger_or_marker_p, Qvectorp;
Lisp_Object Qfloatp;
Lisp_Object Qnumberp, Qnumber_or_marker_p;
-static Lisp_Object Qinteger, Qsymbol, Qstring, Qcons, Qmarker, Qoverlay;
+Lisp_Object Qinteger;
+static Lisp_Object Qsymbol, Qstring, Qcons, Qmarker, Qoverlay;
static Lisp_Object Qfloat, Qwindow_configuration, Qwindow;
Lisp_Object Qprocess;
static Lisp_Object Qcompiled_function, Qbuffer, Qframe, Qvector;
static Lisp_Object Qchar_table, Qbool_vector, Qhash_table;
static Lisp_Object Qsubrp, Qmany, Qunevalled;
-static Lisp_Object swap_in_symval_forwarding ();
+static Lisp_Object swap_in_symval_forwarding P_ ((Lisp_Object, Lisp_Object));
+
+Lisp_Object Vmost_positive_fixnum, Vmost_negative_fixnum;
+
+
+void
+circular_list_error (list)
+ Lisp_Object list;
+{
+ xsignal (Qcircular_list, list);
+}
-Lisp_Object set_internal ();
Lisp_Object
wrong_type_argument (predicate, value)
register Lisp_Object predicate, value;
{
- register Lisp_Object tem;
- do
- {
- if (!EQ (Vmocklisp_arguments, Qt))
- {
- if (STRINGP (value) &&
- (EQ (predicate, Qintegerp) || EQ (predicate, Qinteger_or_marker_p)))
- return Fstring_to_number (value, Qnil);
- if (INTEGERP (value) && EQ (predicate, Qstringp))
- return Fnumber_to_string (value);
- }
-
- /* If VALUE is not even a valid Lisp object, abort here
- where we can get a backtrace showing where it came from. */
- if ((unsigned int) XGCTYPE (value) >= Lisp_Type_Limit)
- abort ();
+ /* If VALUE is not even a valid Lisp object, abort here
+ where we can get a backtrace showing where it came from. */
+ if ((unsigned int) XGCTYPE (value) >= Lisp_Type_Limit)
+ abort ();
- value = Fsignal (Qwrong_type_argument, Fcons (predicate, Fcons (value, Qnil)));
- tem = call1 (predicate, value);
- }
- while (NILP (tem));
- return value;
+ xsignal2 (Qwrong_type_argument, predicate, value);
}
void
args_out_of_range (a1, a2)
Lisp_Object a1, a2;
{
- while (1)
- Fsignal (Qargs_out_of_range, Fcons (a1, Fcons (a2, Qnil)));
+ xsignal2 (Qargs_out_of_range, a1, a2);
}
void
args_out_of_range_3 (a1, a2, a3)
Lisp_Object a1, a2, a3;
{
- while (1)
- Fsignal (Qargs_out_of_range, Fcons (a1, Fcons (a2, Fcons (a3, Qnil))));
+ xsignal3 (Qargs_out_of_range, a1, a2, a3);
}
/* On some machines, XINT needs a temporary location.
/* Data type predicates */
DEFUN ("eq", Feq, Seq, 2, 2, 0,
- "Return t if the two args are the same Lisp object.")
- (obj1, obj2)
+ doc: /* Return t if the two args are the same Lisp object. */)
+ (obj1, obj2)
Lisp_Object obj1, obj2;
{
if (EQ (obj1, obj2))
return Qnil;
}
-DEFUN ("null", Fnull, Snull, 1, 1, 0, "Return t if OBJECT is nil.")
- (object)
+DEFUN ("null", Fnull, Snull, 1, 1, 0,
+ doc: /* Return t if OBJECT is nil. */)
+ (object)
Lisp_Object object;
{
if (NILP (object))
}
DEFUN ("type-of", Ftype_of, Stype_of, 1, 1, 0,
- "Return a symbol representing the type of OBJECT.\n\
-The symbol returned names the object's basic type;\n\
-for example, (type-of 1) returns `integer'.")
- (object)
+ doc: /* Return a symbol representing the type of OBJECT.
+The symbol returned names the object's basic type;
+for example, (type-of 1) returns `integer'. */)
+ (object)
Lisp_Object object;
{
switch (XGCTYPE (object))
}
}
-DEFUN ("consp", Fconsp, Sconsp, 1, 1, 0, "Return t if OBJECT is a cons cell.")
- (object)
+DEFUN ("consp", Fconsp, Sconsp, 1, 1, 0,
+ doc: /* Return t if OBJECT is a cons cell. */)
+ (object)
Lisp_Object object;
{
if (CONSP (object))
}
DEFUN ("atom", Fatom, Satom, 1, 1, 0,
- "Return t if OBJECT is not a cons cell. This includes nil.")
- (object)
+ doc: /* Return t if OBJECT is not a cons cell. This includes nil. */)
+ (object)
Lisp_Object object;
{
if (CONSP (object))
}
DEFUN ("listp", Flistp, Slistp, 1, 1, 0,
- "Return t if OBJECT is a list. This includes nil.")
- (object)
+ doc: /* Return t if OBJECT is a list, that is, a cons cell or nil.
+Otherwise, return nil. */)
+ (object)
Lisp_Object object;
{
if (CONSP (object) || NILP (object))
}
DEFUN ("nlistp", Fnlistp, Snlistp, 1, 1, 0,
- "Return t if OBJECT is not a list. Lists include nil.")
- (object)
+ doc: /* Return t if OBJECT is not a list. Lists include nil. */)
+ (object)
Lisp_Object object;
{
if (CONSP (object) || NILP (object))
}
\f
DEFUN ("symbolp", Fsymbolp, Ssymbolp, 1, 1, 0,
- "Return t if OBJECT is a symbol.")
- (object)
+ doc: /* Return t if OBJECT is a symbol. */)
+ (object)
Lisp_Object object;
{
if (SYMBOLP (object))
/* Define this in C to avoid unnecessarily consing up the symbol
name. */
DEFUN ("keywordp", Fkeywordp, Skeywordp, 1, 1, 0,
- "Return t if OBJECT is a keyword.\n\
-This means that it is a symbol with a print name beginning with `:'\n\
-interned in the initial obarray.")
- (object)
+ doc: /* Return t if OBJECT is a keyword.
+This means that it is a symbol with a print name beginning with `:'
+interned in the initial obarray. */)
+ (object)
Lisp_Object object;
{
if (SYMBOLP (object)
- && XSYMBOL (object)->name->data[0] == ':'
- && EQ (XSYMBOL (object)->obarray, initial_obarray))
+ && SREF (SYMBOL_NAME (object), 0) == ':'
+ && SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P (object))
return Qt;
return Qnil;
}
DEFUN ("vectorp", Fvectorp, Svectorp, 1, 1, 0,
- "Return t if OBJECT is a vector.")
- (object)
+ doc: /* Return t if OBJECT is a vector. */)
+ (object)
Lisp_Object object;
{
if (VECTORP (object))
}
DEFUN ("stringp", Fstringp, Sstringp, 1, 1, 0,
- "Return t if OBJECT is a string.")
- (object)
+ doc: /* Return t if OBJECT is a string. */)
+ (object)
Lisp_Object object;
{
if (STRINGP (object))
}
DEFUN ("multibyte-string-p", Fmultibyte_string_p, Smultibyte_string_p,
- 1, 1, 0, "Return t if OBJECT is a multibyte string.")
- (object)
+ 1, 1, 0,
+ doc: /* Return t if OBJECT is a multibyte string. */)
+ (object)
Lisp_Object object;
{
if (STRINGP (object) && STRING_MULTIBYTE (object))
}
DEFUN ("char-table-p", Fchar_table_p, Schar_table_p, 1, 1, 0,
- "Return t if OBJECT is a char-table.")
- (object)
+ doc: /* Return t if OBJECT is a char-table. */)
+ (object)
Lisp_Object object;
{
if (CHAR_TABLE_P (object))
DEFUN ("vector-or-char-table-p", Fvector_or_char_table_p,
Svector_or_char_table_p, 1, 1, 0,
- "Return t if OBJECT is a char-table or vector.")
- (object)
+ doc: /* Return t if OBJECT is a char-table or vector. */)
+ (object)
Lisp_Object object;
{
if (VECTORP (object) || CHAR_TABLE_P (object))
return Qnil;
}
-DEFUN ("bool-vector-p", Fbool_vector_p, Sbool_vector_p, 1, 1, 0, "Return t if OBJECT is a bool-vector.")
- (object)
+DEFUN ("bool-vector-p", Fbool_vector_p, Sbool_vector_p, 1, 1, 0,
+ doc: /* Return t if OBJECT is a bool-vector. */)
+ (object)
Lisp_Object object;
{
if (BOOL_VECTOR_P (object))
return Qnil;
}
-DEFUN ("arrayp", Farrayp, Sarrayp, 1, 1, 0, "Return t if OBJECT is an array (string or vector).")
- (object)
+DEFUN ("arrayp", Farrayp, Sarrayp, 1, 1, 0,
+ doc: /* Return t if OBJECT is an array (string or vector). */)
+ (object)
Lisp_Object object;
{
- if (VECTORP (object) || STRINGP (object)
- || CHAR_TABLE_P (object) || BOOL_VECTOR_P (object))
+ if (ARRAYP (object))
return Qt;
return Qnil;
}
DEFUN ("sequencep", Fsequencep, Ssequencep, 1, 1, 0,
- "Return t if OBJECT is a sequence (list or array).")
- (object)
+ doc: /* Return t if OBJECT is a sequence (list or array). */)
+ (object)
register Lisp_Object object;
{
- if (CONSP (object) || NILP (object) || VECTORP (object) || STRINGP (object)
- || CHAR_TABLE_P (object) || BOOL_VECTOR_P (object))
+ if (CONSP (object) || NILP (object) || ARRAYP (object))
return Qt;
return Qnil;
}
-DEFUN ("bufferp", Fbufferp, Sbufferp, 1, 1, 0, "Return t if OBJECT is an editor buffer.")
- (object)
+DEFUN ("bufferp", Fbufferp, Sbufferp, 1, 1, 0,
+ doc: /* Return t if OBJECT is an editor buffer. */)
+ (object)
Lisp_Object object;
{
if (BUFFERP (object))
return Qnil;
}
-DEFUN ("markerp", Fmarkerp, Smarkerp, 1, 1, 0, "Return t if OBJECT is a marker (editor pointer).")
- (object)
+DEFUN ("markerp", Fmarkerp, Smarkerp, 1, 1, 0,
+ doc: /* Return t if OBJECT is a marker (editor pointer). */)
+ (object)
Lisp_Object object;
{
if (MARKERP (object))
return Qnil;
}
-DEFUN ("subrp", Fsubrp, Ssubrp, 1, 1, 0, "Return t if OBJECT is a built-in function.")
- (object)
+DEFUN ("subrp", Fsubrp, Ssubrp, 1, 1, 0,
+ doc: /* Return t if OBJECT is a built-in function. */)
+ (object)
Lisp_Object object;
{
if (SUBRP (object))
}
DEFUN ("byte-code-function-p", Fbyte_code_function_p, Sbyte_code_function_p,
- 1, 1, 0, "Return t if OBJECT is a byte-compiled function object.")
- (object)
+ 1, 1, 0,
+ doc: /* Return t if OBJECT is a byte-compiled function object. */)
+ (object)
Lisp_Object object;
{
if (COMPILEDP (object))
}
DEFUN ("char-or-string-p", Fchar_or_string_p, Schar_or_string_p, 1, 1, 0,
- "Return t if OBJECT is a character (an integer) or a string.")
- (object)
+ doc: /* Return t if OBJECT is a character (an integer) or a string. */)
+ (object)
register Lisp_Object object;
{
if (INTEGERP (object) || STRINGP (object))
return Qnil;
}
\f
-DEFUN ("integerp", Fintegerp, Sintegerp, 1, 1, 0, "Return t if OBJECT is an integer.")
- (object)
+DEFUN ("integerp", Fintegerp, Sintegerp, 1, 1, 0,
+ doc: /* Return t if OBJECT is an integer. */)
+ (object)
Lisp_Object object;
{
if (INTEGERP (object))
}
DEFUN ("integer-or-marker-p", Finteger_or_marker_p, Sinteger_or_marker_p, 1, 1, 0,
- "Return t if OBJECT is an integer or a marker (editor pointer).")
- (object)
+ doc: /* Return t if OBJECT is an integer or a marker (editor pointer). */)
+ (object)
register Lisp_Object object;
{
if (MARKERP (object) || INTEGERP (object))
}
DEFUN ("natnump", Fnatnump, Snatnump, 1, 1, 0,
- "Return t if OBJECT is a nonnegative integer.")
- (object)
+ doc: /* Return t if OBJECT is a nonnegative integer. */)
+ (object)
Lisp_Object object;
{
if (NATNUMP (object))
}
DEFUN ("numberp", Fnumberp, Snumberp, 1, 1, 0,
- "Return t if OBJECT is a number (floating point or integer).")
- (object)
+ doc: /* Return t if OBJECT is a number (floating point or integer). */)
+ (object)
Lisp_Object object;
{
if (NUMBERP (object))
DEFUN ("number-or-marker-p", Fnumber_or_marker_p,
Snumber_or_marker_p, 1, 1, 0,
- "Return t if OBJECT is a number or a marker.")
- (object)
+ doc: /* Return t if OBJECT is a number or a marker. */)
+ (object)
Lisp_Object object;
{
if (NUMBERP (object) || MARKERP (object))
}
DEFUN ("floatp", Ffloatp, Sfloatp, 1, 1, 0,
- "Return t if OBJECT is a floating point number.")
- (object)
+ doc: /* Return t if OBJECT is a floating point number. */)
+ (object)
Lisp_Object object;
{
if (FLOATP (object))
/* Extract and set components of lists */
DEFUN ("car", Fcar, Scar, 1, 1, 0,
- "Return the car of LIST. If arg is nil, return nil.\n\
-Error if arg is not nil and not a cons cell. See also `car-safe'.")
- (list)
+ doc: /* Return the car of LIST. If arg is nil, return nil.
+Error if arg is not nil and not a cons cell. See also `car-safe'.
+
+See Info node `(elisp)Cons Cells' for a discussion of related basic
+Lisp concepts such as car, cdr, cons cell and list. */)
+ (list)
register Lisp_Object list;
{
- while (1)
- {
- if (CONSP (list))
- return XCAR (list);
- else if (EQ (list, Qnil))
- return Qnil;
- else
- list = wrong_type_argument (Qlistp, list);
- }
+ return CAR (list);
}
DEFUN ("car-safe", Fcar_safe, Scar_safe, 1, 1, 0,
- "Return the car of OBJECT if it is a cons cell, or else nil.")
- (object)
+ doc: /* Return the car of OBJECT if it is a cons cell, or else nil. */)
+ (object)
Lisp_Object object;
{
- if (CONSP (object))
- return XCAR (object);
- else
- return Qnil;
+ return CAR_SAFE (object);
}
DEFUN ("cdr", Fcdr, Scdr, 1, 1, 0,
- "Return the cdr of LIST. If arg is nil, return nil.\n\
-Error if arg is not nil and not a cons cell. See also `cdr-safe'.")
+ doc: /* Return the cdr of LIST. If arg is nil, return nil.
+Error if arg is not nil and not a cons cell. See also `cdr-safe'.
- (list)
+See Info node `(elisp)Cons Cells' for a discussion of related basic
+Lisp concepts such as cdr, car, cons cell and list. */)
+ (list)
register Lisp_Object list;
{
- while (1)
- {
- if (CONSP (list))
- return XCDR (list);
- else if (EQ (list, Qnil))
- return Qnil;
- else
- list = wrong_type_argument (Qlistp, list);
- }
+ return CDR (list);
}
DEFUN ("cdr-safe", Fcdr_safe, Scdr_safe, 1, 1, 0,
- "Return the cdr of OBJECT if it is a cons cell, or else nil.")
- (object)
+ doc: /* Return the cdr of OBJECT if it is a cons cell, or else nil. */)
+ (object)
Lisp_Object object;
{
- if (CONSP (object))
- return XCDR (object);
- else
- return Qnil;
+ return CDR_SAFE (object);
}
DEFUN ("setcar", Fsetcar, Ssetcar, 2, 2, 0,
- "Set the car of CELL to be NEWCAR. Returns NEWCAR.")
- (cell, newcar)
+ doc: /* Set the car of CELL to be NEWCAR. Returns NEWCAR. */)
+ (cell, newcar)
register Lisp_Object cell, newcar;
{
- if (!CONSP (cell))
- cell = wrong_type_argument (Qconsp, cell);
-
+ CHECK_CONS (cell);
CHECK_IMPURE (cell);
- XCAR (cell) = newcar;
+ XSETCAR (cell, newcar);
return newcar;
}
DEFUN ("setcdr", Fsetcdr, Ssetcdr, 2, 2, 0,
- "Set the cdr of CELL to be NEWCDR. Returns NEWCDR.")
- (cell, newcdr)
+ doc: /* Set the cdr of CELL to be NEWCDR. Returns NEWCDR. */)
+ (cell, newcdr)
register Lisp_Object cell, newcdr;
{
- if (!CONSP (cell))
- cell = wrong_type_argument (Qconsp, cell);
-
+ CHECK_CONS (cell);
CHECK_IMPURE (cell);
- XCDR (cell) = newcdr;
+ XSETCDR (cell, newcdr);
return newcdr;
}
\f
/* Extract and set components of symbols */
-DEFUN ("boundp", Fboundp, Sboundp, 1, 1, 0, "Return t if SYMBOL's value is not void.")
- (symbol)
+DEFUN ("boundp", Fboundp, Sboundp, 1, 1, 0,
+ doc: /* Return t if SYMBOL's value is not void. */)
+ (symbol)
register Lisp_Object symbol;
{
Lisp_Object valcontents;
- CHECK_SYMBOL (symbol, 0);
+ CHECK_SYMBOL (symbol);
- valcontents = XSYMBOL (symbol)->value;
+ valcontents = SYMBOL_VALUE (symbol);
if (BUFFER_LOCAL_VALUEP (valcontents)
|| SOME_BUFFER_LOCAL_VALUEP (valcontents))
return (EQ (valcontents, Qunbound) ? Qnil : Qt);
}
-DEFUN ("fboundp", Ffboundp, Sfboundp, 1, 1, 0, "Return t if SYMBOL's function definition is not void.")
- (symbol)
+DEFUN ("fboundp", Ffboundp, Sfboundp, 1, 1, 0,
+ doc: /* Return t if SYMBOL's function definition is not void. */)
+ (symbol)
register Lisp_Object symbol;
{
- CHECK_SYMBOL (symbol, 0);
+ CHECK_SYMBOL (symbol);
return (EQ (XSYMBOL (symbol)->function, Qunbound) ? Qnil : Qt);
}
-DEFUN ("makunbound", Fmakunbound, Smakunbound, 1, 1, 0, "Make SYMBOL's value be void.")
- (symbol)
+DEFUN ("makunbound", Fmakunbound, Smakunbound, 1, 1, 0,
+ doc: /* Make SYMBOL's value be void.
+Return SYMBOL. */)
+ (symbol)
register Lisp_Object symbol;
{
- CHECK_SYMBOL (symbol, 0);
- if (NILP (symbol) || EQ (symbol, Qt)
- || (XSYMBOL (symbol)->name->data[0] == ':'
- && EQ (XSYMBOL (symbol)->obarray, initial_obarray)))
- return Fsignal (Qsetting_constant, Fcons (symbol, Qnil));
+ CHECK_SYMBOL (symbol);
+ if (SYMBOL_CONSTANT_P (symbol))
+ xsignal1 (Qsetting_constant, symbol);
Fset (symbol, Qunbound);
return symbol;
}
-DEFUN ("fmakunbound", Ffmakunbound, Sfmakunbound, 1, 1, 0, "Make SYMBOL's function definition be void.")
- (symbol)
+DEFUN ("fmakunbound", Ffmakunbound, Sfmakunbound, 1, 1, 0,
+ doc: /* Make SYMBOL's function definition be void.
+Return SYMBOL. */)
+ (symbol)
register Lisp_Object symbol;
{
- CHECK_SYMBOL (symbol, 0);
+ CHECK_SYMBOL (symbol);
if (NILP (symbol) || EQ (symbol, Qt))
- return Fsignal (Qsetting_constant, Fcons (symbol, Qnil));
+ xsignal1 (Qsetting_constant, symbol);
XSYMBOL (symbol)->function = Qunbound;
return symbol;
}
DEFUN ("symbol-function", Fsymbol_function, Ssymbol_function, 1, 1, 0,
- "Return SYMBOL's function definition. Error if that is void.")
- (symbol)
+ doc: /* Return SYMBOL's function definition. Error if that is void. */)
+ (symbol)
register Lisp_Object symbol;
{
- CHECK_SYMBOL (symbol, 0);
- if (EQ (XSYMBOL (symbol)->function, Qunbound))
- return Fsignal (Qvoid_function, Fcons (symbol, Qnil));
- return XSYMBOL (symbol)->function;
+ CHECK_SYMBOL (symbol);
+ if (!EQ (XSYMBOL (symbol)->function, Qunbound))
+ return XSYMBOL (symbol)->function;
+ xsignal1 (Qvoid_function, symbol);
}
-DEFUN ("symbol-plist", Fsymbol_plist, Ssymbol_plist, 1, 1, 0, "Return SYMBOL's property list.")
- (symbol)
+DEFUN ("symbol-plist", Fsymbol_plist, Ssymbol_plist, 1, 1, 0,
+ doc: /* Return SYMBOL's property list. */)
+ (symbol)
register Lisp_Object symbol;
{
- CHECK_SYMBOL (symbol, 0);
+ CHECK_SYMBOL (symbol);
return XSYMBOL (symbol)->plist;
}
-DEFUN ("symbol-name", Fsymbol_name, Ssymbol_name, 1, 1, 0, "Return SYMBOL's name, a string.")
- (symbol)
+DEFUN ("symbol-name", Fsymbol_name, Ssymbol_name, 1, 1, 0,
+ doc: /* Return SYMBOL's name, a string. */)
+ (symbol)
register Lisp_Object symbol;
{
register Lisp_Object name;
- CHECK_SYMBOL (symbol, 0);
- XSETSTRING (name, XSYMBOL (symbol)->name);
+ CHECK_SYMBOL (symbol);
+ name = SYMBOL_NAME (symbol);
return name;
}
DEFUN ("fset", Ffset, Sfset, 2, 2, 0,
- "Set SYMBOL's function definition to DEFINITION, and return DEFINITION.")
- (symbol, definition)
+ doc: /* Set SYMBOL's function definition to DEFINITION, and return DEFINITION. */)
+ (symbol, definition)
register Lisp_Object symbol, definition;
{
- CHECK_SYMBOL (symbol, 0);
+ CHECK_SYMBOL (symbol);
if (NILP (symbol) || EQ (symbol, Qt))
- return Fsignal (Qsetting_constant, Fcons (symbol, Qnil));
+ xsignal1 (Qsetting_constant, symbol);
if (!NILP (Vautoload_queue) && !EQ (XSYMBOL (symbol)->function, Qunbound))
Vautoload_queue = Fcons (Fcons (symbol, XSYMBOL (symbol)->function),
Vautoload_queue);
return definition;
}
-DEFUN ("defalias", Fdefalias, Sdefalias, 2, 2, 0,
- "Set SYMBOL's function definition to DEFINITION, and return DEFINITION.\n\
-Associates the function with the current load file, if any.")
- (symbol, definition)
- register Lisp_Object symbol, definition;
+extern Lisp_Object Qfunction_documentation;
+
+DEFUN ("defalias", Fdefalias, Sdefalias, 2, 3, 0,
+ doc: /* Set SYMBOL's function definition to DEFINITION, and return 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. */)
+ (symbol, definition, docstring)
+ register Lisp_Object symbol, definition, docstring;
{
+ CHECK_SYMBOL (symbol);
+ if (CONSP (XSYMBOL (symbol)->function)
+ && EQ (XCAR (XSYMBOL (symbol)->function), Qautoload))
+ LOADHIST_ATTACH (Fcons (Qt, symbol));
definition = Ffset (symbol, definition);
- LOADHIST_ATTACH (symbol);
+ LOADHIST_ATTACH (Fcons (Qdefun, symbol));
+ if (!NILP (docstring))
+ Fput (symbol, Qfunction_documentation, docstring);
return definition;
}
DEFUN ("setplist", Fsetplist, Ssetplist, 2, 2, 0,
- "Set SYMBOL's property list to NEWVAL, and return NEWVAL.")
- (symbol, newplist)
+ doc: /* Set SYMBOL's property list to NEWPLIST, and return NEWPLIST. */)
+ (symbol, newplist)
register Lisp_Object symbol, newplist;
{
- CHECK_SYMBOL (symbol, 0);
+ CHECK_SYMBOL (symbol);
XSYMBOL (symbol)->plist = newplist;
return newplist;
}
DEFUN ("subr-arity", Fsubr_arity, Ssubr_arity, 1, 1, 0,
- "Return minimum and maximum number of args allowed for SUBR.\n\
-SUBR must be a built-in function.\n\
-The returned value is a pair (MIN . MAX). MIN is the minimum number\n\
-of args. MAX is the maximum number or the symbol `many', for a\n\
-function with `&rest' args, or `unevalled' for a special form.")
- (subr)
+ doc: /* Return minimum and maximum number of args allowed for SUBR.
+SUBR must be a built-in function.
+The returned value is a pair (MIN . MAX). MIN is the minimum number
+of args. MAX is the maximum number or the symbol `many', for a
+function with `&rest' args, or `unevalled' for a special form. */)
+ (subr)
Lisp_Object subr;
{
short minargs, maxargs;
- if (!SUBRP (subr))
- wrong_type_argument (Qsubrp, subr);
+ CHECK_SUBR (subr);
minargs = XSUBR (subr)->min_args;
maxargs = XSUBR (subr)->max_args;
if (maxargs == MANY)
return Fcons (make_number (minargs), make_number (maxargs));
}
+DEFUN ("subr-name", Fsubr_name, Ssubr_name, 1, 1, 0,
+ doc: /* Return name of subroutine SUBR.
+SUBR must be a built-in function. */)
+ (subr)
+ Lisp_Object subr;
+{
+ const char *name;
+ CHECK_SUBR (subr);
+ name = XSUBR (subr)->symbol_name;
+ return make_string (name, strlen (name));
+}
+
+DEFUN ("interactive-form", Finteractive_form, Sinteractive_form, 1, 1, 0,
+ doc: /* Return the interactive form of CMD or nil if none.
+If CMD is not a command, the return value is nil.
+Value, if non-nil, is a list \(interactive SPEC). */)
+ (cmd)
+ Lisp_Object cmd;
+{
+ Lisp_Object fun = indirect_function (cmd);
+
+ if (SUBRP (fun))
+ {
+ if (XSUBR (fun)->prompt)
+ return list2 (Qinteractive, build_string (XSUBR (fun)->prompt));
+ }
+ else if (COMPILEDP (fun))
+ {
+ if ((ASIZE (fun) & PSEUDOVECTOR_SIZE_MASK) > COMPILED_INTERACTIVE)
+ return list2 (Qinteractive, AREF (fun, COMPILED_INTERACTIVE));
+ }
+ else if (CONSP (fun))
+ {
+ Lisp_Object funcar = XCAR (fun);
+ 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;
+}
+
\f
-/* Getting and setting values of symbols */
+/***********************************************************************
+ Getting and Setting Values of Symbols
+ ***********************************************************************/
+
+/* Return the symbol holding SYMBOL's value. Signal
+ `cyclic-variable-indirection' if SYMBOL's chain of variable
+ indirections contains a loop. */
+
+Lisp_Object
+indirect_variable (symbol)
+ Lisp_Object symbol;
+{
+ Lisp_Object tortoise, hare;
+
+ hare = tortoise = symbol;
+
+ while (XSYMBOL (hare)->indirect_variable)
+ {
+ hare = XSYMBOL (hare)->value;
+ if (!XSYMBOL (hare)->indirect_variable)
+ break;
+
+ hare = XSYMBOL (hare)->value;
+ tortoise = XSYMBOL (tortoise)->value;
+
+ if (EQ (hare, tortoise))
+ xsignal1 (Qcyclic_variable_indirection, symbol);
+ }
+
+ return hare;
+}
+
+
+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. */)
+ (object)
+ Lisp_Object object;
+{
+ if (SYMBOLP (object))
+ object = indirect_variable (object);
+ return object;
+}
+
/* Given the raw contents of a symbol value cell,
return the Lisp value of the symbol.
/* Store NEWVAL into SYMBOL, where VALCONTENTS is found in the value cell
of SYMBOL. If SYMBOL is buffer-local, VALCONTENTS should be the
buffer-independent contents of the value cell: forwarded just one
- step past the buffer-localness. */
+ step past the buffer-localness.
+
+ BUF non-zero means set the value in buffer BUF instead of the
+ current buffer. This only plays a role for per-buffer variables. */
void
-store_symval_forwarding (symbol, valcontents, newval)
+store_symval_forwarding (symbol, valcontents, newval, buf)
Lisp_Object symbol;
register Lisp_Object valcontents, newval;
+ struct buffer *buf;
{
switch (SWITCH_ENUM_CAST (XTYPE (valcontents)))
{
switch (XMISCTYPE (valcontents))
{
case Lisp_Misc_Intfwd:
- CHECK_NUMBER (newval, 1);
+ CHECK_NUMBER (newval);
*XINTFWD (valcontents)->intvar = XINT (newval);
if (*XINTFWD (valcontents)->intvar != XINT (newval))
error ("Value out of range for variable `%s'",
- XSYMBOL (symbol)->name->data);
+ SDATA (SYMBOL_NAME (symbol)));
break;
case Lisp_Misc_Boolfwd:
case Lisp_Misc_Objfwd:
*XOBJFWD (valcontents)->objvar = newval;
+
+ /* If this variable is a default for something stored
+ in the buffer itself, such as default-fill-column,
+ find the buffers that don't have local values for it
+ and update them. */
+ if (XOBJFWD (valcontents)->objvar > (Lisp_Object *) &buffer_defaults
+ && XOBJFWD (valcontents)->objvar < (Lisp_Object *) (&buffer_defaults + 1))
+ {
+ int offset = ((char *) XOBJFWD (valcontents)->objvar
+ - (char *) &buffer_defaults);
+ int idx = PER_BUFFER_IDX (offset);
+
+ Lisp_Object tail;
+
+ if (idx <= 0)
+ break;
+
+ for (tail = Vbuffer_alist; CONSP (tail); tail = XCDR (tail))
+ {
+ Lisp_Object buf;
+ struct buffer *b;
+
+ buf = Fcdr (XCAR (tail));
+ if (!BUFFERP (buf)) continue;
+ b = XBUFFER (buf);
+
+ if (! PER_BUFFER_VALUE_P (b, idx))
+ PER_BUFFER_VALUE (b, offset) = newval;
+ }
+ }
break;
case Lisp_Misc_Buffer_Objfwd:
Lisp_Object type;
type = PER_BUFFER_TYPE (offset);
- if (XINT (type) == -1)
- error ("Variable %s is read-only", XSYMBOL (symbol)->name->data);
-
if (! NILP (type) && ! NILP (newval)
&& XTYPE (newval) != XINT (type))
buffer_slot_type_mismatch (offset);
- PER_BUFFER_VALUE (current_buffer, offset) = newval;
+ if (buf == NULL)
+ buf = current_buffer;
+ PER_BUFFER_VALUE (buf, offset) = newval;
}
break;
case Lisp_Misc_Kboard_Objfwd:
- (*(Lisp_Object *)((char *)current_kboard
- + XKBOARD_OBJFWD (valcontents)->offset))
- = newval;
+ {
+ char *base = (char *) current_kboard;
+ char *p = base + XKBOARD_OBJFWD (valcontents)->offset;
+ *(Lisp_Object *) p = newval;
+ }
break;
default:
default:
def:
- valcontents = XSYMBOL (symbol)->value;
+ valcontents = SYMBOL_VALUE (symbol);
if (BUFFER_LOCAL_VALUEP (valcontents)
|| SOME_BUFFER_LOCAL_VALUEP (valcontents))
XBUFFER_LOCAL_VALUE (valcontents)->realvalue = newval;
else
- XSYMBOL (symbol)->value = newval;
+ SET_SYMBOL_VALUE (symbol, newval);
}
}
Lisp_Object symbol;
{
Lisp_Object valcontents, cdr;
-
- valcontents = XSYMBOL (symbol)->value;
+
+ valcontents = SYMBOL_VALUE (symbol);
if (!BUFFER_LOCAL_VALUEP (valcontents)
&& !SOME_BUFFER_LOCAL_VALUEP (valcontents))
abort ();
/* Unload the previously loaded binding. */
Fsetcdr (XCAR (cdr),
do_symval_forwarding (XBUFFER_LOCAL_VALUE (valcontents)->realvalue));
-
+
/* Select the global binding in the symbol. */
- XCAR (cdr) = cdr;
- store_symval_forwarding (symbol, valcontents, XCDR (cdr));
+ XSETCAR (cdr, cdr);
+ store_symval_forwarding (symbol, valcontents, XCDR (cdr), NULL);
/* Indicate that the global binding is set up now. */
XBUFFER_LOCAL_VALUE (valcontents)->frame = Qnil;
Lisp_Object symbol, valcontents;
{
register Lisp_Object tem1;
+
tem1 = XBUFFER_LOCAL_VALUE (valcontents)->buffer;
if (NILP (tem1)
|| (XBUFFER_LOCAL_VALUE (valcontents)->check_frame
&& ! EQ (selected_frame, XBUFFER_LOCAL_VALUE (valcontents)->frame)))
{
+ if (XSYMBOL (symbol)->indirect_variable)
+ symbol = indirect_variable (symbol);
+
/* Unload the previously loaded binding. */
tem1 = XCAR (XBUFFER_LOCAL_VALUE (valcontents)->cdr);
Fsetcdr (tem1,
XBUFFER_LOCAL_VALUE (valcontents)->found_for_buffer = 1;
/* Load the new binding. */
- XCAR (XBUFFER_LOCAL_VALUE (valcontents)->cdr) = tem1;
+ XSETCAR (XBUFFER_LOCAL_VALUE (valcontents)->cdr, tem1);
XSETBUFFER (XBUFFER_LOCAL_VALUE (valcontents)->buffer, current_buffer);
XBUFFER_LOCAL_VALUE (valcontents)->frame = selected_frame;
store_symval_forwarding (symbol,
XBUFFER_LOCAL_VALUE (valcontents)->realvalue,
- Fcdr (tem1));
+ Fcdr (tem1), NULL);
}
return XBUFFER_LOCAL_VALUE (valcontents)->realvalue;
}
{
register Lisp_Object valcontents;
register Lisp_Object val;
- CHECK_SYMBOL (symbol, 0);
- valcontents = XSYMBOL (symbol)->value;
+
+ CHECK_SYMBOL (symbol);
+ valcontents = SYMBOL_VALUE (symbol);
if (BUFFER_LOCAL_VALUEP (valcontents)
|| SOME_BUFFER_LOCAL_VALUEP (valcontents))
- valcontents = swap_in_symval_forwarding (symbol, valcontents,
- current_buffer);
+ valcontents = swap_in_symval_forwarding (symbol, valcontents);
if (MISCP (valcontents))
{
}
DEFUN ("symbol-value", Fsymbol_value, Ssymbol_value, 1, 1, 0,
- "Return SYMBOL's value. Error if that is void.")
- (symbol)
+ doc: /* Return SYMBOL's value. Error if that is void. */)
+ (symbol)
Lisp_Object symbol;
{
Lisp_Object val;
val = find_symbol_value (symbol);
- if (EQ (val, Qunbound))
- return Fsignal (Qvoid_variable, Fcons (symbol, Qnil));
- else
+ if (!EQ (val, Qunbound))
return val;
+
+ xsignal1 (Qvoid_variable, symbol);
}
DEFUN ("set", Fset, Sset, 2, 2, 0,
- "Set SYMBOL's value to NEWVAL, and return NEWVAL.")
- (symbol, newval)
+ doc: /* Set SYMBOL's value to NEWVAL, and return NEWVAL. */)
+ (symbol, newval)
register Lisp_Object symbol, newval;
{
return set_internal (symbol, newval, current_buffer, 0);
let_shadows_buffer_binding_p (symbol)
Lisp_Object symbol;
{
- struct specbinding *p;
+ volatile struct specbinding *p;
for (p = specpdl_ptr - 1; p >= specpdl; p--)
- if (p->func == 0
- && CONSP (p->symbol)
- && EQ (symbol, XCAR (p->symbol))
- && XBUFFER (XCDR (XCDR (p->symbol))) == current_buffer)
- return 1;
+ if (p->func == NULL
+ && CONSP (p->symbol))
+ {
+ Lisp_Object let_bound_symbol = XCAR (p->symbol);
+ if ((EQ (symbol, let_bound_symbol)
+ || (XSYMBOL (let_bound_symbol)->indirect_variable
+ && EQ (symbol, indirect_variable (let_bound_symbol))))
+ && XBUFFER (XCDR (XCDR (p->symbol))) == current_buffer)
+ break;
+ }
- return 0;
+ return p >= specpdl;
}
/* Store the value NEWVAL into SYMBOL.
{
int voide = EQ (newval, Qunbound);
- register Lisp_Object valcontents, tem1, current_alist_element;
+ register Lisp_Object valcontents, innercontents, tem1, current_alist_element;
if (buf == 0)
buf = current_buffer;
if (NILP (buf->name))
return newval;
- CHECK_SYMBOL (symbol, 0);
- if (NILP (symbol) || EQ (symbol, Qt)
- || (XSYMBOL (symbol)->name->data[0] == ':'
- && EQ (XSYMBOL (symbol)->obarray, initial_obarray)
- && !EQ (newval, symbol)))
- return Fsignal (Qsetting_constant, Fcons (symbol, Qnil));
- valcontents = XSYMBOL (symbol)->value;
+ CHECK_SYMBOL (symbol);
+ if (SYMBOL_CONSTANT_P (symbol)
+ && (NILP (Fkeywordp (symbol))
+ || !EQ (newval, SYMBOL_VALUE (symbol))))
+ xsignal1 (Qsetting_constant, symbol);
+
+ innercontents = valcontents = SYMBOL_VALUE (symbol);
if (BUFFER_OBJFWDP (valcontents))
{
&& !let_shadows_buffer_binding_p (symbol))
SET_PER_BUFFER_VALUE_P (buf, idx, 1);
}
-
else if (BUFFER_LOCAL_VALUEP (valcontents)
|| SOME_BUFFER_LOCAL_VALUEP (valcontents))
{
/* valcontents is a struct Lisp_Buffer_Local_Value. */
+ if (XSYMBOL (symbol)->indirect_variable)
+ symbol = indirect_variable (symbol);
/* What binding is loaded right now? */
current_alist_element
and load that binding. */
else
{
- tem1 = Fcons (symbol, Fcdr (current_alist_element));
+ tem1 = Fcons (symbol, XCDR (current_alist_element));
buf->local_var_alist
= Fcons (tem1, buf->local_var_alist);
}
}
/* Record which binding is now loaded. */
- XCAR (XBUFFER_LOCAL_VALUE (valcontents)->cdr)
- = tem1;
+ XSETCAR (XBUFFER_LOCAL_VALUE (valcontents)->cdr,
+ tem1);
/* Set `buffer' and `frame' slots for thebinding now loaded. */
XSETBUFFER (XBUFFER_LOCAL_VALUE (valcontents)->buffer, buf);
XBUFFER_LOCAL_VALUE (valcontents)->frame = selected_frame;
}
- valcontents = XBUFFER_LOCAL_VALUE (valcontents)->realvalue;
+ innercontents = XBUFFER_LOCAL_VALUE (valcontents)->realvalue;
}
/* If storing void (making the symbol void), forward only through
buffer-local indicator, not through Lisp_Objfwd, etc. */
if (voide)
- store_symval_forwarding (symbol, Qnil, newval);
+ store_symval_forwarding (symbol, Qnil, newval, buf);
else
- store_symval_forwarding (symbol, valcontents, newval);
+ store_symval_forwarding (symbol, innercontents, newval, buf);
+
+ /* If we just set a variable whose current binding is frame-local,
+ store the new value in the frame parameter too. */
+
+ if (BUFFER_LOCAL_VALUEP (valcontents)
+ || SOME_BUFFER_LOCAL_VALUEP (valcontents))
+ {
+ /* What binding is loaded right now? */
+ current_alist_element
+ = XCAR (XBUFFER_LOCAL_VALUE (valcontents)->cdr);
+
+ /* If the current buffer is not the buffer whose binding is
+ loaded, or if there may be frame-local bindings and the frame
+ isn't the right one, or if it's a Lisp_Buffer_Local_Value and
+ the default binding is loaded, the loaded binding may be the
+ wrong one. */
+ if (XBUFFER_LOCAL_VALUE (valcontents)->found_for_frame)
+ XSETCDR (current_alist_element, newval);
+ }
return newval;
}
{
register Lisp_Object valcontents;
- CHECK_SYMBOL (symbol, 0);
- valcontents = XSYMBOL (symbol)->value;
+ CHECK_SYMBOL (symbol);
+ valcontents = SYMBOL_VALUE (symbol);
/* For a built-in buffer-local variable, get the default value
rather than letting do_symval_forwarding get the current value. */
}
DEFUN ("default-boundp", Fdefault_boundp, Sdefault_boundp, 1, 1, 0,
- "Return t if SYMBOL has a non-void default value.\n\
-This is the value that is seen in buffers that do not have their own values\n\
-for this variable.")
- (symbol)
+ doc: /* Return t if SYMBOL has a non-void default value.
+This is the value that is seen in buffers that do not have their own values
+for this variable. */)
+ (symbol)
Lisp_Object symbol;
{
register Lisp_Object value;
}
DEFUN ("default-value", Fdefault_value, Sdefault_value, 1, 1, 0,
- "Return SYMBOL's default value.\n\
-This is the value that is seen in buffers that do not have their own values\n\
-for this variable. The default value is meaningful for variables with\n\
-local bindings in certain buffers.")
- (symbol)
+ doc: /* Return SYMBOL's default value.
+This is the value that is seen in buffers that do not have their own values
+for this variable. The default value is meaningful for variables with
+local bindings in certain buffers. */)
+ (symbol)
Lisp_Object symbol;
{
register Lisp_Object value;
value = default_value (symbol);
- if (EQ (value, Qunbound))
- return Fsignal (Qvoid_variable, Fcons (symbol, Qnil));
- return value;
+ if (!EQ (value, Qunbound))
+ return value;
+
+ xsignal1 (Qvoid_variable, symbol);
}
DEFUN ("set-default", Fset_default, Sset_default, 2, 2, 0,
- "Set SYMBOL's default value to VAL. SYMBOL and VAL are evaluated.\n\
-The default value is seen in buffers that do not have their own values\n\
-for this variable.")
- (symbol, value)
+ doc: /* Set SYMBOL's default value to VALUE. SYMBOL and VALUE are evaluated.
+The default value is seen in buffers that do not have their own values
+for this variable. */)
+ (symbol, value)
Lisp_Object symbol, value;
{
register Lisp_Object valcontents, current_alist_element, alist_element_buffer;
- CHECK_SYMBOL (symbol, 0);
- valcontents = XSYMBOL (symbol)->value;
+ CHECK_SYMBOL (symbol);
+ valcontents = SYMBOL_VALUE (symbol);
/* Handle variables like case-fold-search that have special slots
in the buffer. Make them work apparently like Lisp_Buffer_Local_Value
if (idx > 0)
{
struct buffer *b;
-
+
for (b = all_buffers; b; b = b->next)
if (!PER_BUFFER_VALUE_P (b, idx))
PER_BUFFER_VALUE (b, offset) = value;
return Fset (symbol, value);
/* Store new value into the DEFAULT-VALUE slot. */
- XCDR (XBUFFER_LOCAL_VALUE (valcontents)->cdr) = value;
+ XSETCDR (XBUFFER_LOCAL_VALUE (valcontents)->cdr, value);
/* If the default binding is now loaded, set the REALVALUE slot too. */
current_alist_element
= XCAR (XBUFFER_LOCAL_VALUE (valcontents)->cdr);
alist_element_buffer = Fcar (current_alist_element);
if (EQ (alist_element_buffer, current_alist_element))
- store_symval_forwarding (symbol, XBUFFER_LOCAL_VALUE (valcontents)->realvalue,
- value);
+ store_symval_forwarding (symbol,
+ XBUFFER_LOCAL_VALUE (valcontents)->realvalue,
+ value, NULL);
return value;
}
-DEFUN ("setq-default", Fsetq_default, Ssetq_default, 2, UNEVALLED, 0,
- "Set the default value of variable VAR to VALUE.\n\
-VAR, the variable name, is literal (not evaluated);\n\
-VALUE is an expression and it is evaluated.\n\
-The default value of a variable is seen in buffers\n\
-that do not have their own values for the variable.\n\
-\n\
-More generally, you can use multiple variables and values, as in\n\
- (setq-default SYMBOL VALUE SYMBOL VALUE...)\n\
-This sets each SYMBOL's default value to the corresponding VALUE.\n\
-The VALUE for the Nth SYMBOL can refer to the new default values\n\
-of previous SYMs.")
- (args)
+DEFUN ("setq-default", Fsetq_default, Ssetq_default, 0, UNEVALLED, 0,
+ doc: /* Set the default value of variable VAR to VALUE.
+VAR, the variable name, is literal (not evaluated);
+VALUE is an expression: it is evaluated and its value returned.
+The default value of a variable is seen in buffers
+that do not have their own values for the variable.
+
+More generally, you can use multiple variables and values, as in
+ (setq-default VAR VALUE VAR VALUE...)
+This sets each VAR's default value to the corresponding VALUE.
+The VALUE for the Nth VAR can refer to the new default values
+of previous VARs.
+usage: (setq-default [VAR VALUE...]) */)
+ (args)
Lisp_Object args;
{
register Lisp_Object args_left;
do
{
val = Feval (Fcar (Fcdr (args_left)));
- symbol = Fcar (args_left);
+ symbol = XCAR (args_left);
Fset_default (symbol, val);
- args_left = Fcdr (Fcdr (args_left));
+ args_left = Fcdr (XCDR (args_left));
}
while (!NILP (args_left));
/* Lisp functions for creating and removing buffer-local variables. */
DEFUN ("make-variable-buffer-local", Fmake_variable_buffer_local, Smake_variable_buffer_local,
- 1, 1, "vMake Variable Buffer Local: ",
- "Make VARIABLE become buffer-local whenever it is set.\n\
-At any time, the value for the current buffer is in effect,\n\
-unless the variable has never been set in this buffer,\n\
-in which case the default value is in effect.\n\
-Note that binding the variable with `let', or setting it while\n\
-a `let'-style binding made in this buffer is in effect,\n\
-does not make the variable buffer-local.\n\
-\n\
-The function `default-value' gets the default value and `set-default' sets it.")
- (variable)
+ 1, 1, "vMake Variable Buffer Local: ",
+ doc: /* Make VARIABLE become buffer-local whenever it is set.
+At any time, the value for the current buffer is in effect,
+unless the variable has never been set in this buffer,
+in which case the default value is in effect.
+Note that binding the variable with `let', or setting it while
+a `let'-style binding made in this buffer is in effect,
+does not make the variable buffer-local. Return VARIABLE.
+
+In most cases it is better to use `make-local-variable',
+which makes a variable local in just one buffer.
+
+The function `default-value' gets the default value and `set-default' sets it. */)
+ (variable)
register Lisp_Object variable;
{
register Lisp_Object tem, valcontents, newval;
- CHECK_SYMBOL (variable, 0);
+ CHECK_SYMBOL (variable);
+ variable = indirect_variable (variable);
- valcontents = XSYMBOL (variable)->value;
+ valcontents = SYMBOL_VALUE (variable);
if (EQ (variable, Qnil) || EQ (variable, Qt) || KBOARD_OBJFWDP (valcontents))
- error ("Symbol %s may not be buffer-local", XSYMBOL (variable)->name->data);
+ error ("Symbol %s may not be buffer-local", SDATA (SYMBOL_NAME (variable)));
if (BUFFER_LOCAL_VALUEP (valcontents) || BUFFER_OBJFWDP (valcontents))
return variable;
if (SOME_BUFFER_LOCAL_VALUEP (valcontents))
{
- XMISCTYPE (XSYMBOL (variable)->value) = Lisp_Misc_Buffer_Local_Value;
+ XMISCTYPE (SYMBOL_VALUE (variable)) = Lisp_Misc_Buffer_Local_Value;
return variable;
}
if (EQ (valcontents, Qunbound))
- XSYMBOL (variable)->value = Qnil;
+ SET_SYMBOL_VALUE (variable, Qnil);
tem = Fcons (Qnil, Fsymbol_value (variable));
- XCAR (tem) = tem;
+ XSETCAR (tem, tem);
newval = allocate_misc ();
XMISCTYPE (newval) = Lisp_Misc_Buffer_Local_Value;
- XBUFFER_LOCAL_VALUE (newval)->realvalue = XSYMBOL (variable)->value;
+ XBUFFER_LOCAL_VALUE (newval)->realvalue = SYMBOL_VALUE (variable);
XBUFFER_LOCAL_VALUE (newval)->buffer = Fcurrent_buffer ();
XBUFFER_LOCAL_VALUE (newval)->frame = Qnil;
XBUFFER_LOCAL_VALUE (newval)->found_for_buffer = 0;
XBUFFER_LOCAL_VALUE (newval)->found_for_frame = 0;
XBUFFER_LOCAL_VALUE (newval)->check_frame = 0;
XBUFFER_LOCAL_VALUE (newval)->cdr = tem;
- XSYMBOL (variable)->value = newval;
+ SET_SYMBOL_VALUE (variable, newval);
return variable;
}
DEFUN ("make-local-variable", Fmake_local_variable, Smake_local_variable,
- 1, 1, "vMake Local Variable: ",
- "Make VARIABLE have a separate value in the current buffer.\n\
-Other buffers will continue to share a common default value.\n\
-\(The buffer-local value of VARIABLE starts out as the same value\n\
-VARIABLE previously had. If VARIABLE was void, it remains void.\)\n\
-See also `make-variable-buffer-local'.\n\
-\n\
-If the variable is already arranged to become local when set,\n\
-this function causes a local value to exist for this buffer,\n\
-just as setting the variable would do.\n\
-\n\
-This function returns VARIABLE, and therefore\n\
- (set (make-local-variable 'VARIABLE) VALUE-EXP)\n\
-works.\n\
-\n\
-Do not use `make-local-variable' to make a hook variable buffer-local.\n\
-Use `make-local-hook' instead.")
- (variable)
+ 1, 1, "vMake Local Variable: ",
+ doc: /* Make VARIABLE have a separate value in the current buffer.
+Other buffers will continue to share a common default value.
+\(The buffer-local value of VARIABLE starts out as the same value
+VARIABLE previously had. If VARIABLE was void, it remains void.\)
+Return VARIABLE.
+
+If the variable is already arranged to become local when set,
+this function causes a local value to exist for this buffer,
+just as setting the variable would do.
+
+This function returns VARIABLE, and therefore
+ (set (make-local-variable 'VARIABLE) VALUE-EXP)
+works.
+
+See also `make-variable-buffer-local'.
+
+Do not use `make-local-variable' to make a hook variable buffer-local.
+Instead, use `add-hook' and specify t for the LOCAL argument. */)
+ (variable)
register Lisp_Object variable;
{
register Lisp_Object tem, valcontents;
- CHECK_SYMBOL (variable, 0);
+ CHECK_SYMBOL (variable);
+ variable = indirect_variable (variable);
- valcontents = XSYMBOL (variable)->value;
+ valcontents = SYMBOL_VALUE (variable);
if (EQ (variable, Qnil) || EQ (variable, Qt) || KBOARD_OBJFWDP (valcontents))
- error ("Symbol %s may not be buffer-local", XSYMBOL (variable)->name->data);
+ error ("Symbol %s may not be buffer-local", SDATA (SYMBOL_NAME (variable)));
if (BUFFER_LOCAL_VALUEP (valcontents) || BUFFER_OBJFWDP (valcontents))
{
{
Lisp_Object newval;
tem = Fcons (Qnil, do_symval_forwarding (valcontents));
- XCAR (tem) = tem;
+ XSETCAR (tem, tem);
newval = allocate_misc ();
XMISCTYPE (newval) = Lisp_Misc_Some_Buffer_Local_Value;
- XBUFFER_LOCAL_VALUE (newval)->realvalue = XSYMBOL (variable)->value;
+ XBUFFER_LOCAL_VALUE (newval)->realvalue = SYMBOL_VALUE (variable);
XBUFFER_LOCAL_VALUE (newval)->buffer = Qnil;
XBUFFER_LOCAL_VALUE (newval)->frame = Qnil;
XBUFFER_LOCAL_VALUE (newval)->found_for_buffer = 0;
XBUFFER_LOCAL_VALUE (newval)->found_for_frame = 0;
XBUFFER_LOCAL_VALUE (newval)->check_frame = 0;
XBUFFER_LOCAL_VALUE (newval)->cdr = tem;
- XSYMBOL (variable)->value = newval;
+ SET_SYMBOL_VALUE (variable, newval);;
}
/* Make sure this buffer has its own value of symbol. */
tem = Fassq (variable, current_buffer->local_var_alist);
find_symbol_value (variable);
current_buffer->local_var_alist
- = Fcons (Fcons (variable, XCDR (XBUFFER_LOCAL_VALUE (XSYMBOL (variable)->value)->cdr)),
+ = Fcons (Fcons (variable, XCDR (XBUFFER_LOCAL_VALUE (SYMBOL_VALUE (variable))->cdr)),
current_buffer->local_var_alist);
/* Make sure symbol does not think it is set up for this buffer;
{
Lisp_Object *pvalbuf;
- valcontents = XSYMBOL (variable)->value;
+ valcontents = SYMBOL_VALUE (variable);
pvalbuf = &XBUFFER_LOCAL_VALUE (valcontents)->buffer;
if (current_buffer == XBUFFER (*pvalbuf))
for this buffer now. If C code modifies the variable before we
load the binding in, then that new value will clobber the default
binding the next time we unload it. */
- valcontents = XBUFFER_LOCAL_VALUE (XSYMBOL (variable)->value)->realvalue;
+ valcontents = XBUFFER_LOCAL_VALUE (SYMBOL_VALUE (variable))->realvalue;
if (INTFWDP (valcontents) || BOOLFWDP (valcontents) || OBJFWDP (valcontents))
- swap_in_symval_forwarding (variable, XSYMBOL (variable)->value);
+ swap_in_symval_forwarding (variable, SYMBOL_VALUE (variable));
return variable;
}
DEFUN ("kill-local-variable", Fkill_local_variable, Skill_local_variable,
- 1, 1, "vKill Local Variable: ",
- "Make VARIABLE no longer have a separate value in the current buffer.\n\
-From now on the default value will apply in this buffer.")
- (variable)
+ 1, 1, "vKill Local Variable: ",
+ doc: /* Make VARIABLE no longer have a separate value in the current buffer.
+From now on the default value will apply in this buffer. Return VARIABLE. */)
+ (variable)
register Lisp_Object variable;
{
register Lisp_Object tem, valcontents;
- CHECK_SYMBOL (variable, 0);
+ CHECK_SYMBOL (variable);
+ variable = indirect_variable (variable);
- valcontents = XSYMBOL (variable)->value;
+ valcontents = SYMBOL_VALUE (variable);
if (BUFFER_OBJFWDP (valcontents))
{
loaded, recompute its value. We have to do it now, or else
forwarded objects won't work right. */
{
- Lisp_Object *pvalbuf;
- valcontents = XSYMBOL (variable)->value;
+ Lisp_Object *pvalbuf, buf;
+ valcontents = SYMBOL_VALUE (variable);
pvalbuf = &XBUFFER_LOCAL_VALUE (valcontents)->buffer;
- if (current_buffer == XBUFFER (*pvalbuf))
+ XSETBUFFER (buf, current_buffer);
+ if (EQ (buf, *pvalbuf))
{
*pvalbuf = Qnil;
XBUFFER_LOCAL_VALUE (valcontents)->found_for_buffer = 0;
/* Lisp functions for creating and removing buffer-local variables. */
DEFUN ("make-variable-frame-local", Fmake_variable_frame_local, Smake_variable_frame_local,
- 1, 1, "vMake Variable Frame Local: ",
- "Enable VARIABLE to have frame-local bindings.\n\
-When a frame-local binding exists in the current frame,\n\
-it is in effect whenever the current buffer has no buffer-local binding.\n\
-A frame-local binding is actual a frame parameter value;\n\
-thus, any given frame has a local binding for VARIABLE\n\
-if it has a value for the frame parameter named VARIABLE.\n\
-See `modify-frame-parameters'.")
- (variable)
+ 1, 1, "vMake Variable Frame Local: ",
+ doc: /* Enable VARIABLE to have frame-local bindings.
+This does not create any frame-local bindings for VARIABLE,
+it just makes them possible.
+
+A frame-local binding is actually a frame parameter value.
+If a frame F has a value for the frame parameter named VARIABLE,
+that also acts as a frame-local binding for VARIABLE in F--
+provided this function has been called to enable VARIABLE
+to have frame-local bindings at all.
+
+The only way to create a frame-local binding for VARIABLE in a frame
+is to set the VARIABLE frame parameter of that frame. See
+`modify-frame-parameters' for how to set frame parameters.
+
+Buffer-local bindings take precedence over frame-local bindings. */)
+ (variable)
register Lisp_Object variable;
{
register Lisp_Object tem, valcontents, newval;
- CHECK_SYMBOL (variable, 0);
+ CHECK_SYMBOL (variable);
+ variable = indirect_variable (variable);
- valcontents = XSYMBOL (variable)->value;
+ valcontents = SYMBOL_VALUE (variable);
if (EQ (variable, Qnil) || EQ (variable, Qt) || KBOARD_OBJFWDP (valcontents)
|| BUFFER_OBJFWDP (valcontents))
- error ("Symbol %s may not be frame-local", XSYMBOL (variable)->name->data);
+ error ("Symbol %s may not be frame-local", SDATA (SYMBOL_NAME (variable)));
if (BUFFER_LOCAL_VALUEP (valcontents)
|| SOME_BUFFER_LOCAL_VALUEP (valcontents))
}
if (EQ (valcontents, Qunbound))
- XSYMBOL (variable)->value = Qnil;
+ SET_SYMBOL_VALUE (variable, Qnil);
tem = Fcons (Qnil, Fsymbol_value (variable));
- XCAR (tem) = tem;
+ XSETCAR (tem, tem);
newval = allocate_misc ();
XMISCTYPE (newval) = Lisp_Misc_Some_Buffer_Local_Value;
- XBUFFER_LOCAL_VALUE (newval)->realvalue = XSYMBOL (variable)->value;
+ XBUFFER_LOCAL_VALUE (newval)->realvalue = SYMBOL_VALUE (variable);
XBUFFER_LOCAL_VALUE (newval)->buffer = Qnil;
XBUFFER_LOCAL_VALUE (newval)->frame = Qnil;
XBUFFER_LOCAL_VALUE (newval)->found_for_buffer = 0;
XBUFFER_LOCAL_VALUE (newval)->found_for_frame = 0;
XBUFFER_LOCAL_VALUE (newval)->check_frame = 1;
XBUFFER_LOCAL_VALUE (newval)->cdr = tem;
- XSYMBOL (variable)->value = newval;
+ SET_SYMBOL_VALUE (variable, newval);
return variable;
}
DEFUN ("local-variable-p", Flocal_variable_p, Slocal_variable_p,
- 1, 2, 0,
- "Non-nil if VARIABLE has a local binding in buffer BUFFER.\n\
-BUFFER defaults to the current buffer.")
- (variable, buffer)
+ 1, 2, 0,
+ doc: /* Non-nil if VARIABLE has a local binding in buffer BUFFER.
+BUFFER defaults to the current buffer. */)
+ (variable, buffer)
register Lisp_Object variable, buffer;
{
Lisp_Object valcontents;
buf = current_buffer;
else
{
- CHECK_BUFFER (buffer, 0);
+ CHECK_BUFFER (buffer);
buf = XBUFFER (buffer);
}
- CHECK_SYMBOL (variable, 0);
+ CHECK_SYMBOL (variable);
+ variable = indirect_variable (variable);
- valcontents = XSYMBOL (variable)->value;
+ valcontents = SYMBOL_VALUE (variable);
if (BUFFER_LOCAL_VALUEP (valcontents)
|| SOME_BUFFER_LOCAL_VALUEP (valcontents))
{
Lisp_Object tail, elt;
+
for (tail = buf->local_var_alist; CONSP (tail); tail = XCDR (tail))
{
elt = XCAR (tail);
}
DEFUN ("local-variable-if-set-p", Flocal_variable_if_set_p, Slocal_variable_if_set_p,
- 1, 2, 0,
- "Non-nil if VARIABLE will be local in buffer BUFFER if it is set there.\n\
-BUFFER defaults to the current buffer.")
- (variable, buffer)
+ 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. */)
+ (variable, buffer)
register Lisp_Object variable, buffer;
{
Lisp_Object valcontents;
buf = current_buffer;
else
{
- CHECK_BUFFER (buffer, 0);
+ CHECK_BUFFER (buffer);
buf = XBUFFER (buffer);
}
- CHECK_SYMBOL (variable, 0);
+ CHECK_SYMBOL (variable);
+ variable = indirect_variable (variable);
- valcontents = XSYMBOL (variable)->value;
+ valcontents = SYMBOL_VALUE (variable);
/* This means that make-variable-buffer-local was done. */
if (BUFFER_LOCAL_VALUEP (valcontents))
}
return Qnil;
}
+
+DEFUN ("variable-binding-locus", Fvariable_binding_locus, Svariable_binding_locus,
+ 1, 1, 0,
+ doc: /* Return a value indicating where VARIABLE's current binding comes from.
+If the current binding is buffer-local, the value is the current buffer.
+If the current binding is frame-local, the value is the selected frame.
+If the current binding is global (the default), the value is nil. */)
+ (variable)
+ register Lisp_Object variable;
+{
+ Lisp_Object valcontents;
+
+ CHECK_SYMBOL (variable);
+ variable = indirect_variable (variable);
+
+ /* Make sure the current binding is actually swapped in. */
+ find_symbol_value (variable);
+
+ valcontents = XSYMBOL (variable)->value;
+
+ if (BUFFER_LOCAL_VALUEP (valcontents)
+ || SOME_BUFFER_LOCAL_VALUEP (valcontents)
+ || BUFFER_OBJFWDP (valcontents))
+ {
+ /* For a local variable, record both the symbol and which
+ buffer's or frame's value we are saving. */
+ if (!NILP (Flocal_variable_p (variable, Qnil)))
+ return Fcurrent_buffer ();
+ else if (!BUFFER_OBJFWDP (valcontents)
+ && XBUFFER_LOCAL_VALUE (valcontents)->found_for_frame)
+ return XBUFFER_LOCAL_VALUE (valcontents)->frame;
+ }
+
+ return Qnil;
+}
\f
/* Find the function at the end of a chain of symbol function indirections. */
tortoise = XSYMBOL (tortoise)->function;
if (EQ (hare, tortoise))
- Fsignal (Qcyclic_function_indirection, Fcons (object, Qnil));
+ xsignal1 (Qcyclic_function_indirection, object);
}
return hare;
}
-DEFUN ("indirect-function", Findirect_function, Sindirect_function, 1, 1, 0,
- "Return the function at the end of OBJECT's function chain.\n\
-If OBJECT is a symbol, follow all function indirections and return the final\n\
-function binding.\n\
-If OBJECT is not a symbol, just return it.\n\
-Signal a void-function error if the final symbol is unbound.\n\
-Signal a cyclic-function-indirection error if there is a loop in the\n\
-function chain of symbols.")
- (object)
- register Lisp_Object object;
+DEFUN ("indirect-function", Findirect_function, Sindirect_function, 1, 2, 0,
+ doc: /* Return the function at the end of OBJECT's function chain.
+If OBJECT is not a symbol, just return it. Otherwise, follow all
+function indirections to find the final function binding and return it.
+If the final symbol in the chain is unbound, signal a void-function error.
+Optional arg NOERROR non-nil means to return nil instead of signalling.
+Signal a cyclic-function-indirection error if there is a loop in the
+function chain of symbols. */)
+ (object, noerror)
+ register Lisp_Object object;
+ Lisp_Object noerror;
{
Lisp_Object result;
- result = indirect_function (object);
+ /* Optimize for no indirection. */
+ result = object;
+ if (SYMBOLP (result) && !EQ (result, Qunbound)
+ && (result = XSYMBOL (result)->function, SYMBOLP (result)))
+ result = indirect_function (result);
+ if (!EQ (result, Qunbound))
+ return result;
+
+ if (NILP (noerror))
+ xsignal1 (Qvoid_function, object);
- if (EQ (result, Qunbound))
- return Fsignal (Qvoid_function, Fcons (object, Qnil));
- return result;
+ return Qnil;
}
\f
/* Extract and set vector and string elements */
DEFUN ("aref", Faref, Saref, 2, 2, 0,
- "Return the element of ARRAY at index IDX.\n\
-ARRAY may be a vector, a string, a char-table, a bool-vector,\n\
-or a byte-code object. IDX starts at 0.")
- (array, idx)
+ doc: /* Return the element of ARRAY at index IDX.
+ARRAY may be a vector, a string, a char-table, a bool-vector,
+or a byte-code object. IDX starts at 0. */)
+ (array, idx)
register Lisp_Object array;
Lisp_Object idx;
{
register int idxval;
- CHECK_NUMBER (idx, 1);
+ CHECK_NUMBER (idx);
idxval = XINT (idx);
if (STRINGP (array))
{
int c, idxval_byte;
- if (idxval < 0 || idxval >= XSTRING (array)->size)
+ if (idxval < 0 || idxval >= SCHARS (array))
args_out_of_range (array, idx);
if (! STRING_MULTIBYTE (array))
- return make_number ((unsigned char) XSTRING (array)->data[idxval]);
+ return make_number ((unsigned char) SREF (array, idxval));
idxval_byte = string_char_to_byte (array, idxval);
- c = STRING_CHAR (&XSTRING (array)->data[idxval_byte],
- STRING_BYTES (XSTRING (array)) - idxval_byte);
+ c = STRING_CHAR (SDATA (array) + idxval_byte,
+ SBYTES (array) - idxval_byte);
return make_number (c);
}
else if (BOOL_VECTOR_P (array))
if (idxval < 0 || idxval >= XBOOL_VECTOR (array)->size)
args_out_of_range (array, idx);
- val = (unsigned char) XBOOL_VECTOR (array)->data[idxval / BITS_PER_CHAR];
- return (val & (1 << (idxval % BITS_PER_CHAR)) ? Qt : Qnil);
+ val = (unsigned char) XBOOL_VECTOR (array)->data[idxval / BOOL_VECTOR_BITS_PER_CHAR];
+ return (val & (1 << (idxval % BOOL_VECTOR_BITS_PER_CHAR)) ? Qt : Qnil);
}
else if (CHAR_TABLE_P (array))
{
Lisp_Object val;
+ val = Qnil;
+
if (idxval < 0)
args_out_of_range (array, idx);
if (idxval < CHAR_TABLE_ORDINARY_SLOTS)
{
+ if (! SINGLE_BYTE_CHAR_P (idxval))
+ args_out_of_range (array, idx);
/* For ASCII and 8-bit European characters, the element is
stored in the top table. */
val = XCHAR_TABLE (array)->contents[idxval];
+ if (NILP (val))
+ {
+ int default_slot
+ = (idxval < 0x80 ? CHAR_TABLE_DEFAULT_SLOT_ASCII
+ : idxval < 0xA0 ? CHAR_TABLE_DEFAULT_SLOT_8_BIT_CONTROL
+ : CHAR_TABLE_DEFAULT_SLOT_8_BIT_GRAPHIC);
+ val = XCHAR_TABLE (array)->contents[default_slot];
+ }
if (NILP (val))
val = XCHAR_TABLE (array)->defalt;
while (NILP (val)) /* Follow parents until we find some value. */
{
int code[4], i;
Lisp_Object sub_table;
+ Lisp_Object current_default;
SPLIT_CHAR (idxval, code[0], code[1], code[2]);
if (code[1] < 32) code[1] = -1;
code[3] = -1; /* anchor */
try_parent_char_table:
+ current_default = XCHAR_TABLE (array)->defalt;
sub_table = array;
for (i = 0; code[i] >= 0; i++)
{
val = XCHAR_TABLE (sub_table)->contents[code[i]];
if (SUB_CHAR_TABLE_P (val))
- sub_table = val;
+ {
+ sub_table = val;
+ if (! NILP (XCHAR_TABLE (sub_table)->defalt))
+ current_default = XCHAR_TABLE (sub_table)->defalt;
+ }
else
{
if (NILP (val))
- val = XCHAR_TABLE (sub_table)->defalt;
+ val = current_default;
if (NILP (val))
{
array = XCHAR_TABLE (array)->parent;
return val;
}
}
- /* Here, VAL is a sub char table. We try the default value
- and parent. */
- val = XCHAR_TABLE (val)->defalt;
+ /* Reaching here means IDXVAL is a generic character in
+ which each character or a group has independent value.
+ Essentially it's nonsense to get a value for such a
+ generic character, but for backward compatibility, we try
+ the default value and parent. */
+ val = current_default;
if (NILP (val))
{
array = XCHAR_TABLE (array)->parent;
}
else
{
- int size;
+ int size = 0;
if (VECTORP (array))
size = XVECTOR (array)->size;
else if (COMPILEDP (array))
}
DEFUN ("aset", Faset, Saset, 3, 3, 0,
- "Store into the element of ARRAY at index IDX the value NEWELT.\n\
-ARRAY may be a vector, a string, a char-table or a bool-vector.\n\
-IDX starts at 0.")
- (array, idx, newelt)
+ doc: /* Store into the element of ARRAY at index IDX the value NEWELT.
+Return NEWELT. ARRAY may be a vector, a string, a char-table or a
+bool-vector. IDX starts at 0. */)
+ (array, idx, newelt)
register Lisp_Object array;
Lisp_Object idx, newelt;
{
register int idxval;
- CHECK_NUMBER (idx, 1);
+ CHECK_NUMBER (idx);
idxval = XINT (idx);
- if (!VECTORP (array) && !STRINGP (array) && !BOOL_VECTOR_P (array)
- && ! CHAR_TABLE_P (array))
- array = wrong_type_argument (Qarrayp, array);
+ CHECK_ARRAY (array, Qarrayp);
CHECK_IMPURE (array);
if (VECTORP (array))
if (idxval < 0 || idxval >= XBOOL_VECTOR (array)->size)
args_out_of_range (array, idx);
- val = (unsigned char) XBOOL_VECTOR (array)->data[idxval / BITS_PER_CHAR];
+ val = (unsigned char) XBOOL_VECTOR (array)->data[idxval / BOOL_VECTOR_BITS_PER_CHAR];
if (! NILP (newelt))
- val |= 1 << (idxval % BITS_PER_CHAR);
+ val |= 1 << (idxval % BOOL_VECTOR_BITS_PER_CHAR);
else
- val &= ~(1 << (idxval % BITS_PER_CHAR));
- XBOOL_VECTOR (array)->data[idxval / BITS_PER_CHAR] = val;
+ val &= ~(1 << (idxval % BOOL_VECTOR_BITS_PER_CHAR));
+ XBOOL_VECTOR (array)->data[idxval / BOOL_VECTOR_BITS_PER_CHAR] = val;
}
else if (CHAR_TABLE_P (array))
{
if (idxval < 0)
args_out_of_range (array, idx);
if (idxval < CHAR_TABLE_ORDINARY_SLOTS)
- XCHAR_TABLE (array)->contents[idxval] = newelt;
+ {
+ if (! SINGLE_BYTE_CHAR_P (idxval))
+ args_out_of_range (array, idx);
+ XCHAR_TABLE (array)->contents[idxval] = newelt;
+ }
else
{
int code[4], i;
Lisp_Object temp;
/* VAL is a leaf. Create a sub char table with the
- default value VAL or XCHAR_TABLE (array)->defalt
- and look into it. */
+ initial value VAL and look into it. */
- temp = make_sub_char_table (NILP (val)
- ? XCHAR_TABLE (array)->defalt
- : val);
+ temp = make_sub_char_table (val);
XCHAR_TABLE (array)->contents[code[i]] = temp;
array = temp;
}
}
else if (STRING_MULTIBYTE (array))
{
- int idxval_byte, new_len, actual_len;
- int prev_byte;
- unsigned char *p, workbuf[MAX_MULTIBYTE_LENGTH], *str = workbuf;
+ int idxval_byte, prev_bytes, new_bytes, nbytes;
+ unsigned char workbuf[MAX_MULTIBYTE_LENGTH], *p0 = workbuf, *p1;
- if (idxval < 0 || idxval >= XSTRING (array)->size)
+ if (idxval < 0 || idxval >= SCHARS (array))
args_out_of_range (array, idx);
+ CHECK_NUMBER (newelt);
+
+ nbytes = SBYTES (array);
idxval_byte = string_char_to_byte (array, idxval);
- p = &XSTRING (array)->data[idxval_byte];
-
- actual_len = MULTIBYTE_FORM_LENGTH (p, STRING_BYTES (XSTRING (array)));
- CHECK_NUMBER (newelt, 2);
- new_len = CHAR_STRING (XINT (newelt), str);
- if (actual_len != new_len)
- error ("Attempt to change byte length of a string");
-
- /* We can't accept a change causing byte combining. */
- if (!ASCII_BYTE_P (*str)
- && ((idxval > 0 && !CHAR_HEAD_P (*str)
- && (prev_byte = string_char_to_byte (array, idxval - 1),
- BYTES_BY_CHAR_HEAD (XSTRING (array)->data[prev_byte])
- > idxval_byte - prev_byte))
- || (idxval < XSTRING (array)->size - 1
- && !CHAR_HEAD_P (p[actual_len])
- && new_len < BYTES_BY_CHAR_HEAD (*str))))
- error ("Attempt to change char length of a string");
- while (new_len--)
- *p++ = *str++;
+ p1 = SDATA (array) + idxval_byte;
+ PARSE_MULTIBYTE_SEQ (p1, nbytes - idxval_byte, prev_bytes);
+ new_bytes = CHAR_STRING (XINT (newelt), p0);
+ if (prev_bytes != new_bytes)
+ {
+ /* We must relocate the string data. */
+ int nchars = SCHARS (array);
+ unsigned char *str;
+ USE_SAFE_ALLOCA;
+
+ SAFE_ALLOCA (str, unsigned char *, nbytes);
+ bcopy (SDATA (array), str, nbytes);
+ allocate_string_data (XSTRING (array), nchars,
+ nbytes + new_bytes - prev_bytes);
+ bcopy (str, SDATA (array), idxval_byte);
+ p1 = SDATA (array) + idxval_byte;
+ bcopy (str + idxval_byte + prev_bytes, p1 + new_bytes,
+ nbytes - (idxval_byte + prev_bytes));
+ SAFE_FREE ();
+ clear_string_char_byte_cache ();
+ }
+ while (new_bytes--)
+ *p1++ = *p0++;
}
else
{
- if (idxval < 0 || idxval >= XSTRING (array)->size)
+ if (idxval < 0 || idxval >= SCHARS (array))
args_out_of_range (array, idx);
- CHECK_NUMBER (newelt, 2);
- XSTRING (array)->data[idxval] = XINT (newelt);
+ CHECK_NUMBER (newelt);
+
+ if (XINT (newelt) < 0 || SINGLE_BYTE_CHAR_P (XINT (newelt)))
+ SSET (array, idxval, XINT (newelt));
+ else
+ {
+ /* We must relocate the string data while converting it to
+ multibyte. */
+ int idxval_byte, prev_bytes, new_bytes;
+ unsigned char workbuf[MAX_MULTIBYTE_LENGTH], *p0 = workbuf, *p1;
+ unsigned char *origstr = SDATA (array), *str;
+ int nchars, nbytes;
+ USE_SAFE_ALLOCA;
+
+ nchars = SCHARS (array);
+ nbytes = idxval_byte = count_size_as_multibyte (origstr, idxval);
+ nbytes += count_size_as_multibyte (origstr + idxval,
+ nchars - idxval);
+ SAFE_ALLOCA (str, unsigned char *, nbytes);
+ copy_text (SDATA (array), str, nchars, 0, 1);
+ PARSE_MULTIBYTE_SEQ (str + idxval_byte, nbytes - idxval_byte,
+ prev_bytes);
+ new_bytes = CHAR_STRING (XINT (newelt), p0);
+ allocate_string_data (XSTRING (array), nchars,
+ nbytes + new_bytes - prev_bytes);
+ bcopy (str, SDATA (array), idxval_byte);
+ p1 = SDATA (array) + idxval_byte;
+ while (new_bytes--)
+ *p1++ = *p0++;
+ bcopy (str + idxval_byte + prev_bytes, p1,
+ nbytes - (idxval_byte + prev_bytes));
+ SAFE_FREE ();
+ clear_string_char_byte_cache ();
+ }
}
return newelt;
Lisp_Object num1, num2;
enum comparison comparison;
{
- double f1, f2;
+ double f1 = 0, f2 = 0;
int floatp = 0;
- CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (num1, 0);
- CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (num2, 0);
+ CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (num1);
+ CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (num2);
if (FLOATP (num1) || FLOATP (num2))
{
}
DEFUN ("=", Feqlsign, Seqlsign, 2, 2, 0,
- "Return t if two args, both numbers or markers, are equal.")
- (num1, num2)
+ doc: /* Return t if two args, both numbers or markers, are equal. */)
+ (num1, num2)
register Lisp_Object num1, num2;
{
return arithcompare (num1, num2, equal);
}
DEFUN ("<", Flss, Slss, 2, 2, 0,
- "Return t if first arg is less than second arg. Both must be numbers or markers.")
- (num1, num2)
+ doc: /* Return t if first arg is less than second arg. Both must be numbers or markers. */)
+ (num1, num2)
register Lisp_Object num1, num2;
{
return arithcompare (num1, num2, less);
}
DEFUN (">", Fgtr, Sgtr, 2, 2, 0,
- "Return t if first arg is greater than second arg. Both must be numbers or markers.")
- (num1, num2)
+ doc: /* Return t if first arg is greater than second arg. Both must be numbers or markers. */)
+ (num1, num2)
register Lisp_Object num1, num2;
{
return arithcompare (num1, num2, grtr);
}
DEFUN ("<=", Fleq, Sleq, 2, 2, 0,
- "Return t if first arg is less than or equal to second arg.\n\
-Both must be numbers or markers.")
- (num1, num2)
+ doc: /* Return t if first arg is less than or equal to second arg.
+Both must be numbers or markers. */)
+ (num1, num2)
register Lisp_Object num1, num2;
{
return arithcompare (num1, num2, less_or_equal);
}
DEFUN (">=", Fgeq, Sgeq, 2, 2, 0,
- "Return t if first arg is greater than or equal to second arg.\n\
-Both must be numbers or markers.")
- (num1, num2)
+ doc: /* Return t if first arg is greater than or equal to second arg.
+Both must be numbers or markers. */)
+ (num1, num2)
register Lisp_Object num1, num2;
{
return arithcompare (num1, num2, grtr_or_equal);
}
DEFUN ("/=", Fneq, Sneq, 2, 2, 0,
- "Return t if first arg is not equal to second arg. Both must be numbers or markers.")
- (num1, num2)
+ doc: /* Return t if first arg is not equal to second arg. Both must be numbers or markers. */)
+ (num1, num2)
register Lisp_Object num1, num2;
{
return arithcompare (num1, num2, notequal);
}
-DEFUN ("zerop", Fzerop, Szerop, 1, 1, 0, "Return t if NUMBER is zero.")
- (number)
+DEFUN ("zerop", Fzerop, Szerop, 1, 1, 0,
+ doc: /* Return t if NUMBER is zero. */)
+ (number)
register Lisp_Object number;
{
- CHECK_NUMBER_OR_FLOAT (number, 0);
+ CHECK_NUMBER_OR_FLOAT (number);
if (FLOATP (number))
{
long_to_cons (i)
unsigned long i;
{
- unsigned int top = i >> 16;
+ unsigned long top = i >> 16;
unsigned int bot = i & 0xFFFF;
if (top == 0)
return make_number (bot);
}
\f
DEFUN ("number-to-string", Fnumber_to_string, Snumber_to_string, 1, 1, 0,
- "Convert NUMBER to a string by printing it in decimal.\n\
-Uses a minus sign if negative.\n\
-NUMBER may be an integer or a floating point number.")
- (number)
+ doc: /* Return the decimal representation of NUMBER as a string.
+Uses a minus sign if negative.
+NUMBER may be an integer or a floating point number. */)
+ (number)
Lisp_Object number;
{
char buffer[VALBITS];
- CHECK_NUMBER_OR_FLOAT (number, 0);
+ CHECK_NUMBER_OR_FLOAT (number);
if (FLOATP (number))
{
return -1;
else
return digit;
-}
+}
DEFUN ("string-to-number", Fstring_to_number, Sstring_to_number, 1, 2, 0,
- "Convert STRING to a number by parsing it as a decimal number.\n\
-This parses both integers and floating point numbers.\n\
-It ignores leading spaces and tabs.\n\
-\n\
-If BASE, interpret STRING as a number in that base. If BASE isn't\n\
-present, base 10 is used. BASE must be between 2 and 16 (inclusive).\n\
-If the base used is not 10, floating point is not recognized.")
- (string, base)
+ doc: /* Parse STRING as a decimal number and return the number.
+This parses both integers and floating point numbers.
+It ignores leading spaces and tabs.
+
+If BASE, interpret STRING as a number in that base. If BASE isn't
+present, base 10 is used. BASE must be between 2 and 16 (inclusive).
+If the base used is not 10, floating point is not recognized. */)
+ (string, base)
register Lisp_Object string, base;
{
register unsigned char *p;
int sign = 1;
Lisp_Object val;
- CHECK_STRING (string, 0);
+ CHECK_STRING (string);
if (NILP (base))
b = 10;
else
{
- CHECK_NUMBER (base, 1);
+ CHECK_NUMBER (base);
b = XINT (base);
if (b < 2 || b > 16)
- Fsignal (Qargs_out_of_range, Fcons (base, Qnil));
+ xsignal1 (Qargs_out_of_range, base);
}
/* Skip any whitespace at the front of the number. Some versions of
atoi do this anyway, so we might as well make Emacs lisp consistent. */
- p = XSTRING (string)->data;
+ p = SDATA (string);
while (*p == ' ' || *p == '\t')
p++;
}
else if (*p == '+')
p++;
-
+
if (isfloat_string (p) && b == 10)
val = make_float (sign * atof (p));
else
v = v * b + digit;
}
- if (v > (EMACS_UINT) (VALMASK >> 1))
- val = make_float (sign * v);
- else
- val = make_number (sign * (int) v);
+ val = make_fixnum_or_float (sign * v);
}
return val;
\f
enum arithop
- { Aadd, Asub, Amult, Adiv, Alogand, Alogior, Alogxor, Amax, Amin };
-
-extern Lisp_Object float_arith_driver ();
+ {
+ Aadd,
+ Asub,
+ Amult,
+ Adiv,
+ Alogand,
+ Alogior,
+ Alogxor,
+ Amax,
+ Amin
+ };
+
+static Lisp_Object float_arith_driver P_ ((double, int, enum arithop,
+ int, Lisp_Object *));
extern Lisp_Object fmod_float ();
Lisp_Object
{
register Lisp_Object val;
register int argnum;
- register EMACS_INT accum;
+ register EMACS_INT accum = 0;
register EMACS_INT next;
switch (SWITCH_ENUM_CAST (code))
case Alogxor:
case Aadd:
case Asub:
- accum = 0; break;
+ accum = 0;
+ break;
case Amult:
- accum = 1; break;
+ accum = 1;
+ break;
case Alogand:
- accum = -1; break;
+ accum = -1;
+ break;
+ default:
+ break;
}
for (argnum = 0; argnum < nargs; argnum++)
{
- val = args[argnum]; /* using args[argnum] as argument to CHECK_NUMBER_... */
- CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (val, argnum);
+ /* Using args[argnum] as argument to CHECK_NUMBER_... */
+ val = args[argnum];
+ CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (val);
- if (FLOATP (val)) /* time to do serious math */
- return (float_arith_driver ((double) accum, argnum, code,
- nargs, args));
- args[argnum] = val; /* runs into a compiler bug. */
+ if (FLOATP (val))
+ return float_arith_driver ((double) accum, argnum, code,
+ nargs, args);
+ args[argnum] = val;
next = XINT (args[argnum]);
switch (SWITCH_ENUM_CAST (code))
{
- case Aadd: accum += next; break;
+ case Aadd:
+ accum += next;
+ break;
case Asub:
accum = argnum ? accum - next : nargs == 1 ? - next : next;
break;
- case Amult: accum *= next; break;
+ case Amult:
+ accum *= next;
+ break;
case Adiv:
- if (!argnum) accum = next;
+ if (!argnum)
+ accum = next;
else
{
if (next == 0)
- Fsignal (Qarith_error, Qnil);
+ xsignal0 (Qarith_error);
accum /= next;
}
break;
- case Alogand: accum &= next; break;
- case Alogior: accum |= next; break;
- case Alogxor: accum ^= next; break;
- case Amax: if (!argnum || next > accum) accum = next; break;
- case Amin: if (!argnum || next < accum) accum = next; break;
+ case Alogand:
+ accum &= next;
+ break;
+ case Alogior:
+ accum |= next;
+ break;
+ case Alogxor:
+ accum ^= next;
+ break;
+ case Amax:
+ if (!argnum || next > accum)
+ accum = next;
+ break;
+ case Amin:
+ if (!argnum || next < accum)
+ accum = next;
+ break;
}
}
#undef isnan
#define isnan(x) ((x) != (x))
-Lisp_Object
+static Lisp_Object
float_arith_driver (accum, argnum, code, nargs, args)
double accum;
register int argnum;
for (; argnum < nargs; argnum++)
{
val = args[argnum]; /* using args[argnum] as argument to CHECK_NUMBER_... */
- CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (val, argnum);
+ CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (val);
if (FLOATP (val))
{
else
{
if (! IEEE_FLOATING_POINT && next == 0)
- Fsignal (Qarith_error, Qnil);
+ xsignal0 (Qarith_error);
accum /= next;
}
break;
DEFUN ("+", Fplus, Splus, 0, MANY, 0,
- "Return sum of any number of arguments, which are numbers or markers.")
- (nargs, args)
+ doc: /* Return sum of any number of arguments, which are numbers or markers.
+usage: (+ &rest NUMBERS-OR-MARKERS) */)
+ (nargs, args)
int nargs;
Lisp_Object *args;
{
}
DEFUN ("-", Fminus, Sminus, 0, MANY, 0,
- "Negate number or subtract numbers or markers.\n\
-With one arg, negates it. With more than one arg,\n\
-subtracts all but the first from the first.")
- (nargs, args)
+ doc: /* Negate number or subtract numbers or markers and return the result.
+With one arg, negates it. With more than one arg,
+subtracts all but the first from the first.
+usage: (- &optional NUMBER-OR-MARKER &rest MORE-NUMBERS-OR-MARKERS) */)
+ (nargs, args)
int nargs;
Lisp_Object *args;
{
}
DEFUN ("*", Ftimes, Stimes, 0, MANY, 0,
- "Returns product of any number of arguments, which are numbers or markers.")
- (nargs, args)
+ doc: /* Return product of any number of arguments, which are numbers or markers.
+usage: (* &rest NUMBERS-OR-MARKERS) */)
+ (nargs, args)
int nargs;
Lisp_Object *args;
{
}
DEFUN ("/", Fquo, Squo, 2, MANY, 0,
- "Returns first argument divided by all the remaining arguments.\n\
-The arguments must be numbers or markers.")
- (nargs, args)
+ doc: /* Return first argument divided by all the remaining arguments.
+The arguments must be numbers or markers.
+usage: (/ DIVIDEND DIVISOR &rest DIVISORS) */)
+ (nargs, args)
int nargs;
Lisp_Object *args;
{
+ int argnum;
+ for (argnum = 2; argnum < nargs; argnum++)
+ if (FLOATP (args[argnum]))
+ return float_arith_driver (0, 0, Adiv, nargs, args);
return arith_driver (Adiv, nargs, args);
}
DEFUN ("%", Frem, Srem, 2, 2, 0,
- "Returns remainder of X divided by Y.\n\
-Both must be integers or markers.")
- (x, y)
+ doc: /* Return remainder of X divided by Y.
+Both must be integers or markers. */)
+ (x, y)
register Lisp_Object x, y;
{
Lisp_Object val;
- CHECK_NUMBER_COERCE_MARKER (x, 0);
- CHECK_NUMBER_COERCE_MARKER (y, 1);
+ CHECK_NUMBER_COERCE_MARKER (x);
+ CHECK_NUMBER_COERCE_MARKER (y);
if (XFASTINT (y) == 0)
- Fsignal (Qarith_error, Qnil);
+ xsignal0 (Qarith_error);
XSETINT (val, XINT (x) % XINT (y));
return val;
#endif /* ! HAVE_FMOD */
DEFUN ("mod", Fmod, Smod, 2, 2, 0,
- "Returns X modulo Y.\n\
-The result falls between zero (inclusive) and Y (exclusive).\n\
-Both X and Y must be numbers or markers.")
- (x, y)
+ doc: /* Return X modulo Y.
+The result falls between zero (inclusive) and Y (exclusive).
+Both X and Y must be numbers or markers. */)
+ (x, y)
register Lisp_Object x, y;
{
Lisp_Object val;
EMACS_INT i1, i2;
- CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (x, 0);
- CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (y, 1);
+ CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (x);
+ CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (y);
if (FLOATP (x) || FLOATP (y))
return fmod_float (x, y);
i2 = XINT (y);
if (i2 == 0)
- Fsignal (Qarith_error, Qnil);
+ xsignal0 (Qarith_error);
i1 %= i2;
}
DEFUN ("max", Fmax, Smax, 1, MANY, 0,
- "Return largest of all the arguments (which must be numbers or markers).\n\
-The value is always a number; markers are converted to numbers.")
- (nargs, args)
+ doc: /* Return largest of all the arguments (which must be numbers or markers).
+The value is always a number; markers are converted to numbers.
+usage: (max NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */)
+ (nargs, args)
int nargs;
Lisp_Object *args;
{
}
DEFUN ("min", Fmin, Smin, 1, MANY, 0,
- "Return smallest of all the arguments (which must be numbers or markers).\n\
-The value is always a number; markers are converted to numbers.")
- (nargs, args)
+ doc: /* Return smallest of all the arguments (which must be numbers or markers).
+The value is always a number; markers are converted to numbers.
+usage: (min NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */)
+ (nargs, args)
int nargs;
Lisp_Object *args;
{
}
DEFUN ("logand", Flogand, Slogand, 0, MANY, 0,
- "Return bitwise-and of all the arguments.\n\
-Arguments may be integers, or markers converted to integers.")
- (nargs, args)
+ doc: /* Return bitwise-and of all the arguments.
+Arguments may be integers, or markers converted to integers.
+usage: (logand &rest INTS-OR-MARKERS) */)
+ (nargs, args)
int nargs;
Lisp_Object *args;
{
}
DEFUN ("logior", Flogior, Slogior, 0, MANY, 0,
- "Return bitwise-or of all the arguments.\n\
-Arguments may be integers, or markers converted to integers.")
- (nargs, args)
+ doc: /* Return bitwise-or of all the arguments.
+Arguments may be integers, or markers converted to integers.
+usage: (logior &rest INTS-OR-MARKERS) */)
+ (nargs, args)
int nargs;
Lisp_Object *args;
{
}
DEFUN ("logxor", Flogxor, Slogxor, 0, MANY, 0,
- "Return bitwise-exclusive-or of all the arguments.\n\
-Arguments may be integers, or markers converted to integers.")
- (nargs, args)
+ doc: /* Return bitwise-exclusive-or of all the arguments.
+Arguments may be integers, or markers converted to integers.
+usage: (logxor &rest INTS-OR-MARKERS) */)
+ (nargs, args)
int nargs;
Lisp_Object *args;
{
}
DEFUN ("ash", Fash, Sash, 2, 2, 0,
- "Return VALUE with its bits shifted left by COUNT.\n\
-If COUNT is negative, shifting is actually to the right.\n\
-In this case, the sign bit is duplicated.")
- (value, count)
+ doc: /* Return VALUE with its bits shifted left by COUNT.
+If COUNT is negative, shifting is actually to the right.
+In this case, the sign bit is duplicated. */)
+ (value, count)
register Lisp_Object value, count;
{
register Lisp_Object val;
- CHECK_NUMBER (value, 0);
- CHECK_NUMBER (count, 1);
+ CHECK_NUMBER (value);
+ CHECK_NUMBER (count);
if (XINT (count) >= BITS_PER_EMACS_INT)
XSETINT (val, 0);
}
DEFUN ("lsh", Flsh, Slsh, 2, 2, 0,
- "Return VALUE with its bits shifted left by COUNT.\n\
-If COUNT is negative, shifting is actually to the right.\n\
-In this case, zeros are shifted in on the left.")
- (value, count)
+ doc: /* Return VALUE with its bits shifted left by COUNT.
+If COUNT is negative, shifting is actually to the right.
+In this case, zeros are shifted in on the left. */)
+ (value, count)
register Lisp_Object value, count;
{
register Lisp_Object val;
- CHECK_NUMBER (value, 0);
- CHECK_NUMBER (count, 1);
+ CHECK_NUMBER (value);
+ CHECK_NUMBER (count);
if (XINT (count) >= BITS_PER_EMACS_INT)
XSETINT (val, 0);
}
DEFUN ("1+", Fadd1, Sadd1, 1, 1, 0,
- "Return NUMBER plus one. NUMBER may be a number or a marker.\n\
-Markers are converted to integers.")
- (number)
+ doc: /* Return NUMBER plus one. NUMBER may be a number or a marker.
+Markers are converted to integers. */)
+ (number)
register Lisp_Object number;
{
- CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (number, 0);
+ CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (number);
if (FLOATP (number))
return (make_float (1.0 + XFLOAT_DATA (number)));
}
DEFUN ("1-", Fsub1, Ssub1, 1, 1, 0,
- "Return NUMBER minus one. NUMBER may be a number or a marker.\n\
-Markers are converted to integers.")
- (number)
+ doc: /* Return NUMBER minus one. NUMBER may be a number or a marker.
+Markers are converted to integers. */)
+ (number)
register Lisp_Object number;
{
- CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (number, 0);
+ CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (number);
if (FLOATP (number))
return (make_float (-1.0 + XFLOAT_DATA (number)));
}
DEFUN ("lognot", Flognot, Slognot, 1, 1, 0,
- "Return the bitwise complement of NUMBER. NUMBER must be an integer.")
- (number)
+ doc: /* Return the bitwise complement of NUMBER. NUMBER must be an integer. */)
+ (number)
register Lisp_Object number;
{
- CHECK_NUMBER (number, 0);
+ CHECK_NUMBER (number);
XSETINT (number, ~XINT (number));
return number;
}
+
+DEFUN ("byteorder", Fbyteorder, Sbyteorder, 0, 0, 0,
+ doc: /* Return the byteorder for the machine.
+Returns 66 (ASCII uppercase B) for big endian machines or 108 (ASCII
+lowercase l) for small endian machines. */)
+ ()
+{
+ unsigned i = 0x04030201;
+ int order = *(char *)&i == 1 ? 108 : 66;
+
+ return make_number (order);
+}
+
+
\f
void
syms_of_data ()
Qargs_out_of_range = intern ("args-out-of-range");
Qvoid_function = intern ("void-function");
Qcyclic_function_indirection = intern ("cyclic-function-indirection");
+ Qcyclic_variable_indirection = intern ("cyclic-variable-indirection");
Qvoid_variable = intern ("void-variable");
Qsetting_constant = intern ("setting-constant");
Qinvalid_read_syntax = intern ("invalid-read-syntax");
Fput (Qcyclic_function_indirection, Qerror_message,
build_string ("Symbol's chain of function indirections contains a loop"));
+ Fput (Qcyclic_variable_indirection, Qerror_conditions,
+ Fcons (Qcyclic_variable_indirection, error_tail));
+ Fput (Qcyclic_variable_indirection, Qerror_message,
+ build_string ("Symbol's chain of variable indirections contains a loop"));
+
+ Qcircular_list = intern ("circular-list");
+ staticpro (&Qcircular_list);
+ Fput (Qcircular_list, Qerror_conditions,
+ Fcons (Qcircular_list, error_tail));
+ Fput (Qcircular_list, Qerror_message,
+ build_string ("List contains a loop"));
+
Fput (Qvoid_variable, Qerror_conditions,
Fcons (Qvoid_variable, error_tail));
Fput (Qvoid_variable, Qerror_message,
staticpro (&Qargs_out_of_range);
staticpro (&Qvoid_function);
staticpro (&Qcyclic_function_indirection);
+ staticpro (&Qcyclic_variable_indirection);
staticpro (&Qvoid_variable);
staticpro (&Qsetting_constant);
staticpro (&Qinvalid_read_syntax);
staticpro (&Qbool_vector);
staticpro (&Qhash_table);
+ defsubr (&Sindirect_variable);
+ defsubr (&Sinteractive_form);
defsubr (&Seq);
defsubr (&Snull);
defsubr (&Stype_of);
defsubr (&Smake_variable_frame_local);
defsubr (&Slocal_variable_p);
defsubr (&Slocal_variable_if_set_p);
+ defsubr (&Svariable_binding_locus);
defsubr (&Saref);
defsubr (&Saset);
defsubr (&Snumber_to_string);
defsubr (&Sadd1);
defsubr (&Ssub1);
defsubr (&Slognot);
+ defsubr (&Sbyteorder);
defsubr (&Ssubr_arity);
+ defsubr (&Ssubr_name);
XSYMBOL (Qwholenump)->function = XSYMBOL (Qnatnump)->function;
+
+ DEFVAR_LISP ("most-positive-fixnum", &Vmost_positive_fixnum,
+ doc: /* The largest value that is representable in a Lisp integer. */);
+ Vmost_positive_fixnum = make_number (MOST_POSITIVE_FIXNUM);
+
+ DEFVAR_LISP ("most-negative-fixnum", &Vmost_negative_fixnum,
+ doc: /* The smallest value that is representable in a Lisp integer. */);
+ Vmost_negative_fixnum = make_number (MOST_NEGATIVE_FIXNUM);
}
SIGTYPE
sigsetmask (SIGEMPTYMASK);
#endif /* not BSD4_1 */
- Fsignal (Qarith_error, Qnil);
+ SIGNAL_THREAD_CHECK (signo);
+ xsignal0 (Qarith_error);
}
void
signal (SIGEMT, arith_error);
#endif /* uts */
}
+
+/* arch-tag: 25879798-b84d-479a-9c89-7d148e2109f7
+ (do not change this comment) */