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- /* Primitive operations on Lisp data types for GNU Emacs Lisp interpreter.
- Copyright (C) 1985, 1986 Free Software Foundation, Inc.
-
- This file is part of GNU Emacs.
-
- GNU Emacs is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 1, or (at your option)
- any later version.
-
- GNU Emacs is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with GNU Emacs; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-
- /* This must precede sys/signal.h on certain machines. */
- #include <sys/types.h>
- #include <signal.h>
-
- #include "config.h"
- #include "lisp.h"
-
- #ifndef standalone
- #include "buffer.h"
- #endif
-
- #include "emacssignal.h"
-
- Lisp_Object Qnil, Qt, Qquote, Qlambda, Qsubr, Qunbound;
- 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;
- Lisp_Object Qsetting_constant, Qinvalid_read_syntax;
- Lisp_Object Qinvalid_function, Qwrong_number_of_arguments, Qno_catch;
- Lisp_Object Qend_of_file, Qarith_error;
- Lisp_Object Qbeginning_of_buffer, Qend_of_buffer, Qbuffer_read_only;
- Lisp_Object Qintegerp, Qnatnump, Qsymbolp, Qlistp, Qconsp;
- Lisp_Object Qstringp, Qarrayp, Qsequencep, Qbufferp;
- Lisp_Object Qchar_or_string_p, Qmarkerp, Qinteger_or_marker_p, Qvectorp;
- Lisp_Object Qboundp, Qfboundp;
- Lisp_Object Qcdr;
-
- Lisp_Object
- wrong_type_argument (predicate, value)
- register Lisp_Object predicate, value;
- {
- register Lisp_Object tem;
- do
- {
- if (!EQ (Vmocklisp_arguments, Qt))
- {
- if (XTYPE (value) == Lisp_String &&
- (EQ (predicate, Qintegerp) || EQ (predicate, Qinteger_or_marker_p)))
- return Fstring_to_int (value, Qt);
- if (XTYPE (value) == Lisp_Int && EQ (predicate, Qstringp))
- return Fint_to_string (value);
- }
- value = Fsignal (Qwrong_type_argument, Fcons (predicate, Fcons (value, Qnil)));
- tem = call1 (predicate, value);
- }
- while (NULL (tem));
- return value;
- }
-
- pure_write_error ()
- {
- error ("Attempt to modify read-only object");
- }
-
- void
- args_out_of_range (a1, a2)
- Lisp_Object a1, a2;
- {
- while (1)
- Fsignal (Qargs_out_of_range, Fcons (a1, Fcons (a2, Qnil)));
- }
-
- 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))));
- }
-
- Lisp_Object
- make_number (num)
- int num;
- {
- register Lisp_Object val;
- XSET (val, Lisp_Int, num);
- return val;
- }
-
- /* On some machines, XINT needs a temporary location.
- Here it is, in case it is needed. */
-
- int sign_extend_temp;
-
- /* On a few machines, XINT can only be done by calling this. */
-
- int
- sign_extend_lisp_int (num)
- int num;
- {
- if (num & (1 << (VALBITS - 1)))
- return num | ((-1) << VALBITS);
- else
- return num & ((1 << VALBITS) - 1);
- }
-
- /* Data type predicates */
-
- DEFUN ("eq", Feq, Seq, 2, 2, 0,
- "T if the two args are the same Lisp object.")
- (obj1, obj2)
- Lisp_Object obj1, obj2;
- {
- if (EQ (obj1, obj2))
- return Qt;
- return Qnil;
- }
-
- DEFUN ("null", Fnull, Snull, 1, 1, 0, "T if OBJECT is nil.")
- (obj)
- Lisp_Object obj;
- {
- if (NULL (obj))
- return Qt;
- return Qnil;
- }
-
- DEFUN ("consp", Fconsp, Sconsp, 1, 1, 0, "T if OBJECT is a cons cell.")
- (obj)
- Lisp_Object obj;
- {
- if (XTYPE (obj) == Lisp_Cons)
- return Qt;
- return Qnil;
- }
-
- DEFUN ("atom", Fatom, Satom, 1, 1, 0, "T if OBJECT is not a cons cell. This includes nil.")
- (obj)
- Lisp_Object obj;
- {
- if (XTYPE (obj) == Lisp_Cons)
- return Qnil;
- return Qt;
- }
-
- DEFUN ("listp", Flistp, Slistp, 1, 1, 0, "T if OBJECT is a list. This includes nil.")
- (obj)
- Lisp_Object obj;
- {
- if (XTYPE (obj) == Lisp_Cons || NULL (obj))
- return Qt;
- return Qnil;
- }
-
- DEFUN ("nlistp", Fnlistp, Snlistp, 1, 1, 0, "T if OBJECT is not a list. Lists include nil.")
- (obj)
- Lisp_Object obj;
- {
- if (XTYPE (obj) == Lisp_Cons || NULL (obj))
- return Qnil;
- return Qt;
- }
-
- DEFUN ("integerp", Fintegerp, Sintegerp, 1, 1, 0, "T if OBJECT is a number.")
- (obj)
- Lisp_Object obj;
- {
- if (XTYPE (obj) == Lisp_Int)
- return Qt;
- return Qnil;
- }
-
- DEFUN ("natnump", Fnatnump, Snatnump, 1, 1, 0, "T if OBJECT is a nonnegative number.")
- (obj)
- Lisp_Object obj;
- {
- if (XTYPE (obj) == Lisp_Int && XINT (obj) >= 0)
- return Qt;
- return Qnil;
- }
-
- DEFUN ("symbolp", Fsymbolp, Ssymbolp, 1, 1, 0, "T if OBJECT is a symbol.")
- (obj)
- Lisp_Object obj;
- {
- if (XTYPE (obj) == Lisp_Symbol)
- return Qt;
- return Qnil;
- }
-
- DEFUN ("vectorp", Fvectorp, Svectorp, 1, 1, 0, "T if OBJECT is a vector.")
- (obj)
- Lisp_Object obj;
- {
- if (XTYPE (obj) == Lisp_Vector)
- return Qt;
- return Qnil;
- }
-
- DEFUN ("stringp", Fstringp, Sstringp, 1, 1, 0, "T if OBJECT is a string.")
- (obj)
- Lisp_Object obj;
- {
- if (XTYPE (obj) == Lisp_String)
- return Qt;
- return Qnil;
- }
-
- DEFUN ("arrayp", Farrayp, Sarrayp, 1, 1, 0, "T if OBJECT is an array (string or vector).")
- (obj)
- Lisp_Object obj;
- {
- if (XTYPE (obj) == Lisp_Vector || XTYPE (obj) == Lisp_String)
- return Qt;
- return Qnil;
- }
-
- DEFUN ("sequencep", Fsequencep, Ssequencep, 1, 1, 0,
- "T if OBJECT is a sequence (list or array).")
- (obj)
- register Lisp_Object obj;
- {
- if (CONSP (obj) || NULL (obj) ||
- XTYPE (obj) == Lisp_Vector || XTYPE (obj) == Lisp_String)
- return Qt;
- return Qnil;
- }
-
- DEFUN ("bufferp", Fbufferp, Sbufferp, 1, 1, 0, "T if OBJECT is an editor buffer.")
- (obj)
- Lisp_Object obj;
- {
- if (XTYPE (obj) == Lisp_Buffer)
- return Qt;
- return Qnil;
- }
-
- DEFUN ("markerp", Fmarkerp, Smarkerp, 1, 1, 0, "T if OBJECT is a marker (editor pointer).")
- (obj)
- Lisp_Object obj;
- {
- if (XTYPE (obj) == Lisp_Marker)
- return Qt;
- return Qnil;
- }
-
- DEFUN ("integer-or-marker-p", Finteger_or_marker_p, Sinteger_or_marker_p, 1, 1, 0,
- "T if OBJECT is an integer or a marker (editor pointer).")
- (obj)
- register Lisp_Object obj;
- {
- if (XTYPE (obj) == Lisp_Marker || XTYPE (obj) == Lisp_Int)
- return Qt;
- return Qnil;
- }
-
- DEFUN ("subrp", Fsubrp, Ssubrp, 1, 1, 0, "T if OBJECT is a built-in function.")
- (obj)
- Lisp_Object obj;
- {
- if (XTYPE (obj) == Lisp_Subr)
- return Qt;
- return Qnil;
- }
-
- DEFUN ("char-or-string-p", Fchar_or_string_p, Schar_or_string_p, 1, 1, 0, "T if OBJECT is a character (a number) or a string.")
- (obj)
- register Lisp_Object obj;
- {
- if (XTYPE (obj) == Lisp_Int || XTYPE (obj) == Lisp_String)
- return Qt;
- return Qnil;
- }
-
- /* Extract and set components of lists */
-
- DEFUN ("car", Fcar, Scar, 1, 1, 0,
- "Return the car of CONSCELL. If arg is nil, return nil.")
- (list)
- register Lisp_Object list;
- {
- while (1)
- {
- if (XTYPE (list) == Lisp_Cons)
- return XCONS (list)->car;
- else if (EQ (list, Qnil))
- return Qnil;
- else
- list = wrong_type_argument (Qlistp, 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)
- Lisp_Object object;
- {
- if (XTYPE (object) == Lisp_Cons)
- return XCONS (object)->car;
- else
- return Qnil;
- }
-
- DEFUN ("cdr", Fcdr, Scdr, 1, 1, 0,
- "Return the cdr of CONSCELL. If arg is nil, return nil.")
- (list)
- register Lisp_Object list;
- {
- while (1)
- {
- if (XTYPE (list) == Lisp_Cons)
- return XCONS (list)->cdr;
- else if (EQ (list, Qnil))
- return Qnil;
- else
- list = wrong_type_argument (Qlistp, 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)
- Lisp_Object object;
- {
- if (XTYPE (object) == Lisp_Cons)
- return XCONS (object)->cdr;
- else
- return Qnil;
- }
-
- DEFUN ("setcar", Fsetcar, Ssetcar, 2, 2, 0,
- "Set the car of CONSCELL to be NEWCAR. Returns NEWCAR.")
- (cell, newcar)
- register Lisp_Object cell, newcar;
- {
- if (XTYPE (cell) != Lisp_Cons)
- cell = wrong_type_argument (Qconsp, cell);
-
- CHECK_IMPURE (cell);
- XCONS (cell)->car = newcar;
- return newcar;
- }
-
- DEFUN ("setcdr", Fsetcdr, Ssetcdr, 2, 2, 0,
- "Set the cdr of CONSCELL to be NEWCDR. Returns NEWCDR.")
- (cell, newcdr)
- register Lisp_Object cell, newcdr;
- {
- if (XTYPE (cell) != Lisp_Cons)
- cell = wrong_type_argument (Qconsp, cell);
-
- CHECK_IMPURE (cell);
- XCONS (cell)->cdr = newcdr;
- return newcdr;
- }
-
- /* Extract and set components of symbols */
-
- DEFUN ("boundp", Fboundp, Sboundp, 1, 1, 0, "T if SYMBOL's value is not void.")
- (sym)
- register Lisp_Object sym;
- {
- CHECK_SYMBOL (sym, 0);
- return (XTYPE (XSYMBOL (sym)->value) == Lisp_Void
- || EQ (XSYMBOL (sym)->value, Qunbound))
- ? Qnil : Qt;
- }
-
- DEFUN ("fboundp", Ffboundp, Sfboundp, 1, 1, 0, "T if SYMBOL's function definition is not void.")
- (sym)
- register Lisp_Object sym;
- {
- CHECK_SYMBOL (sym, 0);
- return (XTYPE (XSYMBOL (sym)->function) == Lisp_Void
- || EQ (XSYMBOL (sym)->function, Qunbound))
- ? Qnil : Qt;
- }
-
- DEFUN ("makunbound", Fmakunbound, Smakunbound, 1, 1, 0, "Make SYMBOL's value be void.")
- (sym)
- register Lisp_Object sym;
- {
- CHECK_SYMBOL (sym, 0);
- XSYMBOL (sym)->value = Qunbound;
- return sym;
- }
-
- DEFUN ("fmakunbound", Ffmakunbound, Sfmakunbound, 1, 1, 0, "Make SYMBOL's function definition be void.")
- (sym)
- register Lisp_Object sym;
- {
- CHECK_SYMBOL (sym, 0);
- XSYMBOL (sym)->function = Qunbound;
- return sym;
- }
-
- DEFUN ("symbol-function", Fsymbol_function, Ssymbol_function, 1, 1, 0,
- "Return SYMBOL's function definition.")
- (sym)
- register Lisp_Object sym;
- {
- CHECK_SYMBOL (sym, 0);
- if (EQ (XSYMBOL (sym)->function, Qunbound))
- return Fsignal (Qvoid_function, Fcons (sym, Qnil));
- return XSYMBOL (sym)->function;
- }
-
- DEFUN ("symbol-plist", Fsymbol_plist, Ssymbol_plist, 1, 1, 0, "Return SYMBOL's property list.")
- (sym)
- register Lisp_Object sym;
- {
- CHECK_SYMBOL (sym, 0);
- return XSYMBOL (sym)->plist;
- }
-
- DEFUN ("symbol-name", Fsymbol_name, Ssymbol_name, 1, 1, 0, "Return SYMBOL's name, a string.")
- (sym)
- register Lisp_Object sym;
- {
- register Lisp_Object name;
-
- CHECK_SYMBOL (sym, 0);
- XSET (name, Lisp_String, XSYMBOL (sym)->name);
- return name;
- }
-
- DEFUN ("fset", Ffset, Sfset, 2, 2, 0,
- "Set SYMBOL's function definition to NEWVAL, and return NEWVAL.")
- (sym, newdef)
- register Lisp_Object sym, newdef;
- {
- CHECK_SYMBOL (sym, 0);
- if (!NULL (Vautoload_queue) && !EQ (XSYMBOL (sym)->function, Qunbound))
- Vautoload_queue = Fcons (Fcons (sym, XSYMBOL (sym)->function),
- Vautoload_queue);
- XSYMBOL (sym)->function = newdef;
- return newdef;
- }
-
- DEFUN ("setplist", Fsetplist, Ssetplist, 2, 2, 0,
- "Set SYMBOL's property list to NEWVAL, and return NEWVAL.")
- (sym, newplist)
- register Lisp_Object sym, newplist;
- {
- CHECK_SYMBOL (sym, 0);
- XSYMBOL (sym)->plist = newplist;
- return newplist;
- }
-
- /* Getting and setting values of symbols */
-
- /* Given the raw contents of a symbol value cell,
- return the Lisp value of the symbol. */
-
- Lisp_Object
- do_symval_forwarding (valcontents)
- register Lisp_Object valcontents;
- {
- register Lisp_Object val;
- #ifdef SWITCH_ENUM_BUG
- switch ((int) XTYPE (valcontents))
- #else
- switch (XTYPE (valcontents))
- #endif
- {
- case Lisp_Intfwd:
- XSET (val, Lisp_Int, *XINTPTR (valcontents));
- return val;
-
- case Lisp_Boolfwd:
- if (*XINTPTR (valcontents))
- return Qt;
- return Qnil;
-
- case Lisp_Objfwd:
- return *XOBJFWD (valcontents);
-
- case Lisp_Buffer_Objfwd:
- return *(Lisp_Object *)(XUINT (valcontents) + (char *)current_buffer);
- }
- return valcontents;
- }
-
- void
- store_symval_forwarding (sym, valcontents, newval)
- Lisp_Object sym;
- register Lisp_Object valcontents, newval;
- {
- #ifdef SWITCH_ENUM_BUG
- switch ((int) XTYPE (valcontents))
- #else
- switch (XTYPE (valcontents))
- #endif
- {
- case Lisp_Intfwd:
- CHECK_NUMBER (newval, 1);
- *XINTPTR (valcontents) = XINT (newval);
- break;
-
- case Lisp_Boolfwd:
- *XINTPTR (valcontents) = NULL(newval) ? 0 : 1;
- break;
-
- case Lisp_Objfwd:
- *XOBJFWD (valcontents) = newval;
- break;
-
- case Lisp_Buffer_Objfwd:
- *(Lisp_Object *)(XUINT (valcontents) + (char *)current_buffer) = newval;
- break;
-
- default:
- valcontents = XSYMBOL (sym)->value;
- if (XTYPE (valcontents) == Lisp_Buffer_Local_Value ||
- XTYPE (valcontents) == Lisp_Some_Buffer_Local_Value)
- XCONS (XSYMBOL (sym)->value)->car = newval;
- else
- XSYMBOL (sym)->value = newval;
- }
- }
-
- /* Note that it must not be possible to quit within this function.
- Great care is required for this. */
-
- DEFUN ("symbol-value", Fsymbol_value, Ssymbol_value, 1, 1, 0, "Return SYMBOL's value.")
- (sym)
- Lisp_Object sym;
- {
- register Lisp_Object valcontents, tem1;
- register Lisp_Object val;
- CHECK_SYMBOL (sym, 0);
- valcontents = XSYMBOL (sym)->value;
-
- retry:
- #ifdef SWITCH_ENUM_BUG
- switch ((int) XTYPE (valcontents))
- #else
- switch (XTYPE (valcontents))
- #endif
- {
- case Lisp_Buffer_Local_Value:
- case Lisp_Some_Buffer_Local_Value:
- /* valcontents is a list
- (REALVALUE BUFFER CURRENT-ALIST-ELEMENT . DEFAULT-VALUE)).
-
- CURRENT-ALIST-ELEMENT is a pointer to an element of BUFFER's
- local_var_alist, that being the element whose car is this variable.
- Or it can be a pointer to the (CURRENT-ALIST-ELEMENT . DEFAULT-VALUE), if BUFFER
- does not have an element in its alist for this variable.
-
- If the current buffer is not BUFFER, we store the current REALVALUE value into
- CURRENT-ALIST-ELEMENT, then find the appropriate alist element for
- the buffer now current and set up CURRENT-ALIST-ELEMENT.
- Then we set REALVALUE out of that element, and store into BUFFER.
- Note that REALVALUE can be a forwarding pointer. */
-
- tem1 = XCONS (XCONS (valcontents)->cdr)->car;
- if (NULL (tem1) || current_buffer != XBUFFER (tem1))
- {
- tem1 = XCONS (XCONS (XCONS (valcontents)->cdr)->cdr)->car;
- Fsetcdr (tem1, do_symval_forwarding (XCONS (valcontents)->car));
- tem1 = assq_no_quit (sym, current_buffer->local_var_alist);
- if (NULL (tem1))
- tem1 = XCONS (XCONS (valcontents)->cdr)->cdr;
- XCONS (XCONS (XCONS (valcontents)->cdr)->cdr)->car = tem1;
- XSET (XCONS (XCONS (valcontents)->cdr)->car, Lisp_Buffer, current_buffer);
- store_symval_forwarding (sym, XCONS (valcontents)->car, Fcdr (tem1));
- }
- valcontents = XCONS (valcontents)->car;
- goto retry;
-
- case Lisp_Intfwd:
- XSET (val, Lisp_Int, *XINTPTR (valcontents));
- return val;
-
- case Lisp_Boolfwd:
- if (*XINTPTR (valcontents))
- return Qt;
- return Qnil;
-
- case Lisp_Objfwd:
- return *XOBJFWD (valcontents);
-
- case Lisp_Buffer_Objfwd:
- return *(Lisp_Object *)(XUINT (valcontents) + (char *)current_buffer);
-
- case Lisp_Symbol:
- /* For a symbol, check whether it is 'unbound. */
- if (!EQ (valcontents, Qunbound))
- break;
- /* drops through! */
- case Lisp_Void:
- return Fsignal (Qvoid_variable, Fcons (sym, Qnil));
- }
- return valcontents;
- }
-
- 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.")
- (sym)
- Lisp_Object sym;
- {
- register Lisp_Object valcontents;
-
- CHECK_SYMBOL (sym, 0);
- valcontents = XSYMBOL (sym)->value;
- if (XTYPE (valcontents) == Lisp_Buffer_Objfwd)
- {
- register int idx = XUINT (valcontents);
-
- if (*(int *) (idx + (char *) &buffer_local_flags) != 0)
- return *(Lisp_Object *)(idx + (char *) &buffer_defaults);
- }
-
- if (XTYPE (valcontents) == Lisp_Buffer_Local_Value ||
- XTYPE (valcontents) == Lisp_Some_Buffer_Local_Value)
- return XCONS (XCONS (XCONS (valcontents)->cdr)->cdr)->cdr;
- return Fsymbol_value (sym);
- }
-
- DEFUN ("set", Fset, Sset, 2, 2, 0,
- "Set SYMBOL's value to NEWVAL, and return NEWVAL.")
- (sym, newval)
- register Lisp_Object sym, newval;
- {
- #ifndef RTPC_REGISTER_BUG
- register Lisp_Object valcontents, tem1, current_alist_element;
- #else /* RTPC_REGISTER_BUG */
- register Lisp_Object tem1;
- Lisp_Object valcontents, current_alist_element;
- #endif /* RTPC_REGISTER_BUG */
-
- CHECK_SYMBOL (sym, 0);
- if (NULL (sym) || EQ (sym, Qt))
- return Fsignal (Qsetting_constant, Fcons (sym, Qnil));
- valcontents = XSYMBOL (sym)->value;
-
- if (XTYPE (valcontents) == Lisp_Buffer_Objfwd)
- {
- register int idx = XUINT (valcontents);
- register int mask = *(int *)(idx + (char *) &buffer_local_flags);
- if (mask > 0)
- current_buffer->local_var_flags |= mask;
- }
-
- if (XTYPE (valcontents) == Lisp_Buffer_Local_Value
- || XTYPE (valcontents) == Lisp_Some_Buffer_Local_Value)
- {
- /* valcontents is a list
- (REALVALUE BUFFER CURRENT-ALIST-ELEMENT . DEFAULT-VALUE)).
-
- CURRENT-ALIST-ELEMENT is a pointer to an element of BUFFER's
- local_var_alist, that being the element whose car is this variable.
- Or it can be a pointer to the (CURRENT-ALIST-ELEMENT . DEFAULT-VALUE),
- if BUFFER does not have an element in its alist for this variable.
-
- If the current buffer is not BUFFER, we store the current REALVALUE value into
- CURRENT-ALIST-ELEMENT, then find the appropriate alist element for
- the buffer now current and set up CURRENT-ALIST-ELEMENT.
- Then we set REALVALUE out of that element, and store into BUFFER.
- Note that REALVALUE can be a forwarding pointer. */
-
- current_alist_element = XCONS (XCONS (XCONS (valcontents)->cdr)->cdr)->car;
- if (current_buffer
- != ((XTYPE (valcontents) == Lisp_Some_Buffer_Local_Value)
- /* If the current buffer is already cached,
- we don't need to change that fact. */
- ? XBUFFER (XCONS (XCONS (valcontents)->cdr)->car)
- /* If setting the variable should make it local,
- it's not enough if the current buffer is already cached.
- We need to make sure it has a local value for the var. */
- : XBUFFER (XCONS (current_alist_element)->car)))
- {
- /* "Swap out" the buffer that was previously cached. */
- Fsetcdr (current_alist_element,
- do_symval_forwarding (XCONS (valcontents)->car));
-
- /* Encache the current buffer. */
- tem1 = Fassq (sym, current_buffer->local_var_alist);
- if (NULL (tem1))
- {
- /* This buffer sees the default value still.
- If type is Lisp_Some_Buffer_Local_Value, set the default value.
- If type is Lisp_Buffer_Local_Value, give this buffer a local value
- and set that. */
- if (XTYPE (valcontents) == Lisp_Some_Buffer_Local_Value)
- tem1 = XCONS (XCONS (valcontents)->cdr)->cdr;
- else
- {
- tem1 = Fcons (sym, Fcdr (current_alist_element));
- current_buffer->local_var_alist = Fcons (tem1, current_buffer->local_var_alist);
- }
- }
- /* Set the CURRENT-ALIST-ELEMENT slot to fit this buffer. */
- current_alist_element = tem1;
- XCONS (XCONS (XCONS (valcontents)->cdr)->cdr)->car = tem1;
- /* Record this buffer in the BUFFER slot. */
- XSET (XCONS (XCONS (valcontents)->cdr)->car,
- Lisp_Buffer, current_buffer);
- /* Now the CURRENT-ALIST-ELEMENT slot in VALCONTENTS
- is correct for the current buffer. */
- }
- /* If the current buffer sees the default value,
- set the default value in the CURRENT-ALIST-ELEMENT right now.
- Don't wait till some other buffer gets cached. */
- if (XCONS (XCONS (valcontents)->cdr)->cdr == current_alist_element)
- XCONS (current_alist_element)->cdr = newval;
- valcontents = XCONS (valcontents)->car;
- }
- store_symval_forwarding (sym, valcontents, newval);
- return newval;
- }
-
- 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.")
- (sym, value)
- Lisp_Object sym, value;
- {
- register Lisp_Object valcontents, current_alist_element, alist_element_buffer;
-
- CHECK_SYMBOL (sym, 0);
- valcontents = XSYMBOL (sym)->value;
-
- /* Handle variables like case-fold-search that have special slots
- in the buffer. Make them work apparently like Lisp_Buffer_Local_Value
- variables. */
- if (XTYPE (valcontents) == Lisp_Buffer_Objfwd)
- {
- register int idx = XUINT (valcontents);
- #ifndef RTPC_REGISTER_BUG
- register struct buffer *b;
- #else
- struct buffer *b;
- #endif
- register int mask = *(int *) (idx + (char *) &buffer_local_flags);
-
- if (mask < 0)
- /* -1 means the variable is always local in every buffer.
- Set the default value, but not any of the local values. */
- *(Lisp_Object *)(idx + (char *) &buffer_defaults) = value;
-
- if (mask > 0)
- {
- /* Positive means a value that is local in some buffers.
- Set the default value, and also the corresponding slot
- in buffers where the variable is not local. */
- *(Lisp_Object *)(idx + (char *) &buffer_defaults) = value;
- for (b = all_buffers; b; b = b->next)
- if (!(b->local_var_flags & mask))
- *(Lisp_Object *)(idx + (char *) b) = value;
- }
- return value;
- }
-
- if (XTYPE (valcontents) != Lisp_Buffer_Local_Value &&
- XTYPE (valcontents) != Lisp_Some_Buffer_Local_Value)
- return Fset (sym, value);
-
- /* Store new value into the DEFAULT-VALUE slot */
- XCONS (XCONS (XCONS (valcontents)->cdr)->cdr)->cdr = value;
-
- /* If that slot is current, we must set the REALVALUE slot too */
- current_alist_element = XCONS (XCONS (XCONS (valcontents)->cdr)->cdr)->car;
- alist_element_buffer = Fcar (current_alist_element);
- if (EQ (alist_element_buffer, current_alist_element))
- store_symval_forwarding (sym, XCONS (valcontents)->car, value);
-
- return value;
- }
-
- DEFUN ("setq-default", Fsetq_default, Ssetq_default, 2, UNEVALLED, 0,
- "Set SYMBOL's default value to VAL. VAL is evaluated; SYMBOL is not.\n\
- The default value is seen in buffers that do not have their own values\n\
- for this variable.")
- (args)
- Lisp_Object args;
- {
- register Lisp_Object val;
- struct gcpro gcpro1;
-
- GCPRO1 (args);
- val = Feval (Fcar (Fcdr (args)));
- UNGCPRO;
- return Fset_default (Fcar (args), val);
- }
-
- DEFUN ("make-variable-buffer-local", Fmake_variable_buffer_local, Smake_variable_buffer_local,
- 1, 1, "vMake Variable Buffer Local: ",
- "Make VARIABLE have a separate value for each buffer.\n\
- At any time, the value for the current buffer is in effect.\n\
- There is also a default value which is seen in any buffer which has not yet\n\
- set its own value.\n\
- The function `default-value' gets the default value and `set-default' sets it.\n\
- Using `set' or `setq' to set the variable causes it to have a separate value\n\
- for the current buffer if it was previously using the default value.")
- (sym)
- register Lisp_Object sym;
- {
- register Lisp_Object tem, valcontents;
-
- CHECK_SYMBOL (sym, 0);
-
- if (EQ (sym, Qnil) || EQ (sym, Qt))
- error ("Symbol %s may not be buffer-local", XSYMBOL (sym)->name->data);
-
- valcontents = XSYMBOL (sym)->value;
- if ((XTYPE (valcontents) == Lisp_Buffer_Local_Value) ||
- (XTYPE (valcontents) == Lisp_Buffer_Objfwd))
- return sym;
- if (XTYPE (valcontents) == Lisp_Some_Buffer_Local_Value)
- {
- XSETTYPE (XSYMBOL (sym)->value, Lisp_Buffer_Local_Value);
- return sym;
- }
- if (EQ (valcontents, Qunbound))
- XSYMBOL (sym)->value = Qnil;
- tem = Fcons (Qnil, Fsymbol_value (sym));
- XCONS (tem)->car = tem;
- XSYMBOL (sym)->value = Fcons (XSYMBOL (sym)->value, Fcons (Fcurrent_buffer (), tem));
- XSETTYPE (XSYMBOL (sym)->value, Lisp_Buffer_Local_Value);
- return sym;
- }
-
- 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\
- See also `make-variable-buffer-local'.")
- (sym)
- register Lisp_Object sym;
- {
- register Lisp_Object tem, valcontents;
-
- CHECK_SYMBOL (sym, 0);
-
- if (EQ (sym, Qnil) || EQ (sym, Qt))
- error ("Symbol %s may not be buffer-local", XSYMBOL (sym)->name->data);
-
- valcontents = XSYMBOL (sym)->value;
- if ((XTYPE (valcontents) == Lisp_Buffer_Local_Value) ||
- (XTYPE (valcontents) == Lisp_Buffer_Objfwd))
- return sym;
- /* Make sure sym is set up to hold per-buffer values */
- if (XTYPE (valcontents) != Lisp_Some_Buffer_Local_Value)
- {
- if (EQ (valcontents, Qunbound))
- XSYMBOL (sym)->value = Qnil;
- tem = Fcons (Qnil, Fsymbol_value (sym));
- XCONS (tem)->car = tem;
- XSYMBOL (sym)->value = Fcons (XSYMBOL (sym)->value, Fcons (Qnil, tem));
- XSETTYPE (XSYMBOL (sym)->value, Lisp_Some_Buffer_Local_Value);
- }
- /* Make sure this buffer has its own value of sym */
- tem = Fassq (sym, current_buffer->local_var_alist);
- if (NULL (tem))
- {
- current_buffer->local_var_alist
- = Fcons (Fcons (sym, XCONS (XCONS (XCONS (XSYMBOL (sym)->value)->cdr)->cdr)->cdr),
- 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 */
- {
- /* This local variable avoids "expression to complex" on IBM RT. */
- Lisp_Object xs;
-
- xs = XSYMBOL (sym)->value;
- if (current_buffer == XBUFFER (XCONS (XCONS (xs)->cdr)->car))
- XCONS (XCONS (XSYMBOL (sym)->value)->cdr)->car = Qnil;
- }
- }
- return sym;
- }
-
- 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.")
- (sym)
- register Lisp_Object sym;
- {
- register Lisp_Object tem, valcontents;
-
- CHECK_SYMBOL (sym, 0);
-
- valcontents = XSYMBOL (sym)->value;
-
- if (XTYPE (valcontents) == Lisp_Buffer_Objfwd)
- {
- register int idx = XUINT (valcontents);
- register int mask = *(int *) (idx + (char *) &buffer_local_flags);
-
- if (mask > 0)
- {
- *(Lisp_Object *)(idx + (char *) current_buffer)
- = *(Lisp_Object *)(idx + (char *) &buffer_defaults);
- current_buffer->local_var_flags &= ~mask;
- }
- return sym;
- }
-
- if (XTYPE (valcontents) != Lisp_Buffer_Local_Value &&
- XTYPE (valcontents) != Lisp_Some_Buffer_Local_Value)
- return sym;
-
- /* Get rid of this buffer's alist element, if any */
-
- tem = Fassq (sym, current_buffer->local_var_alist);
- if (!NULL (tem))
- current_buffer->local_var_alist = Fdelq (tem, 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 */
- {
- Lisp_Object sv;
- sv = XSYMBOL (sym)->value;
- if (current_buffer == XBUFFER (XCONS (XCONS (sv)->cdr)->car))
- XCONS (XCONS (sv)->cdr)->car = Qnil;
- }
-
- return sym;
- }
-
- /* Extract and set vector and string elements */
-
- DEFUN ("aref", Faref, Saref, 2, 2, 0,
- "Return the element of ARRAY at index INDEX.\n\
- ARRAY may be a vector or a string. INDEX starts at 0.")
- (vector, idx)
- register Lisp_Object vector;
- Lisp_Object idx;
- {
- register int idxval;
-
- CHECK_NUMBER (idx, 1);
- idxval = XINT (idx);
- if (XTYPE (vector) != Lisp_Vector && XTYPE (vector) != Lisp_String)
- vector = wrong_type_argument (Qarrayp, vector);
- if (idxval < 0 || idxval >= XVECTOR (vector)->size)
- args_out_of_range (vector, idx);
- if (XTYPE (vector) == Lisp_Vector)
- return XVECTOR (vector)->contents[idxval];
- else
- {
- Lisp_Object val;
- XFASTINT (val) = (unsigned char) XSTRING (vector)->data[idxval];
- return val;
- }
- }
-
- DEFUN ("aset", Faset, Saset, 3, 3, 0,
- "Store into the element of ARRAY at index INDEX the value NEWVAL.\n\
- ARRAY may be a vector or a string. INDEX starts at 0.")
- (vector, idx, newelt)
- register Lisp_Object vector;
- Lisp_Object idx, newelt;
- {
- register int idxval;
-
- CHECK_NUMBER (idx, 1);
- idxval = XINT (idx);
- if (XTYPE (vector) != Lisp_Vector && XTYPE (vector) != Lisp_String)
- vector = wrong_type_argument (Qarrayp, vector);
- if (idxval < 0 || idxval >= XVECTOR (vector)->size)
- args_out_of_range (vector, idx);
- CHECK_IMPURE (vector);
-
- if (XTYPE (vector) == Lisp_Vector)
- XVECTOR (vector)->contents[idxval] = newelt;
- else
- XSTRING (vector)->data[idxval] = XINT (newelt);
-
- return newelt;
- }
-
- Lisp_Object
- Farray_length (vector)
- register Lisp_Object vector;
- {
- register Lisp_Object size;
- if (XTYPE (vector) != Lisp_Vector && XTYPE (vector) != Lisp_String)
- vector = wrong_type_argument (Qarrayp, vector);
- XFASTINT (size) = XVECTOR (vector)->size;
- return size;
- }
-
- /* Arithmetic functions */
-
- DEFUN ("=", Feqlsign, Seqlsign, 2, 2, 0,
- "T if two args, both numbers, are equal.")
- (num1, num2)
- register Lisp_Object num1, num2;
- {
- CHECK_NUMBER_COERCE_MARKER (num1, 0);
- CHECK_NUMBER_COERCE_MARKER (num2, 0);
-
- if (XINT (num1) == XINT (num2))
- return Qt;
- return Qnil;
- }
-
- DEFUN ("<", Flss, Slss, 2, 2, 0,
- "T if first arg is less than second arg. Both must be numbers.")
- (num1, num2)
- register Lisp_Object num1, num2;
- {
- CHECK_NUMBER_COERCE_MARKER (num1, 0);
- CHECK_NUMBER_COERCE_MARKER (num2, 0);
-
- if (XINT (num1) < XINT (num2))
- return Qt;
- return Qnil;
- }
-
- DEFUN (">", Fgtr, Sgtr, 2, 2, 0,
- "T if first arg is greater than second arg. Both must be numbers.")
- (num1, num2)
- register Lisp_Object num1, num2;
- {
- CHECK_NUMBER_COERCE_MARKER (num1, 0);
- CHECK_NUMBER_COERCE_MARKER (num2, 0);
-
- if (XINT (num1) > XINT (num2))
- return Qt;
- return Qnil;
- }
-
- DEFUN ("<=", Fleq, Sleq, 2, 2, 0,
- "T if first arg is less than or equal to second arg. Both must be numbers.")
- (num1, num2)
- register Lisp_Object num1, num2;
- {
- CHECK_NUMBER_COERCE_MARKER (num1, 0);
- CHECK_NUMBER_COERCE_MARKER (num2, 0);
-
- if (XINT (num1) <= XINT (num2))
- return Qt;
- return Qnil;
- }
-
- DEFUN (">=", Fgeq, Sgeq, 2, 2, 0,
- "T if first arg is greater than or equal to second arg. Both must be numbers.")
- (num1, num2)
- register Lisp_Object num1, num2;
- {
- CHECK_NUMBER_COERCE_MARKER (num1, 0);
- CHECK_NUMBER_COERCE_MARKER (num2, 0);
-
- if (XINT (num1) >= XINT (num2))
- return Qt;
- return Qnil;
- }
-
- DEFUN ("/=", Fneq, Sneq, 2, 2, 0,
- "T if first arg is not equal to second arg. Both must be numbers.")
- (num1, num2)
- register Lisp_Object num1, num2;
- {
- CHECK_NUMBER_COERCE_MARKER (num1, 0);
- CHECK_NUMBER_COERCE_MARKER (num2, 0);
-
- if (XINT (num1) != XINT (num2))
- return Qt;
- return Qnil;
- }
-
- DEFUN ("zerop", Fzerop, Szerop, 1, 1, 0, "T if NUMBER is zero.")
- (num)
- register Lisp_Object num;
- {
- CHECK_NUMBER (num, 0);
-
- if (!XINT (num))
- return Qt;
- return Qnil;
- }
-
- DEFUN ("int-to-string", Fint_to_string, Sint_to_string, 1, 1, 0,
- "Convert INT to a string by printing it in decimal, with minus sign if negative.")
- (num)
- Lisp_Object num;
- {
- char buffer[20];
-
- CHECK_NUMBER (num, 0);
- sprintf (buffer, "%d", XINT (num));
- return build_string (buffer);
- }
-
- DEFUN ("string-to-int", Fstring_to_int, Sstring_to_int, 1, 1, 0,
- "Convert STRING to an integer by parsing it as a decimal number.")
- (str)
- register Lisp_Object str;
- {
- CHECK_STRING (str, 0);
- return make_number (atoi (XSTRING (str)->data));
- }
-
- enum arithop
- { Aadd, Asub, Amult, Adiv, Alogand, Alogior, Alogxor, Amax, Amin };
-
- Lisp_Object
- arith_driver
- (code, nargs, args)
- enum arithop code;
- int nargs;
- register Lisp_Object *args;
- {
- register Lisp_Object val;
- register int argnum;
- register int accum;
- register int next;
-
- #ifdef SWITCH_ENUM_BUG
- switch ((int) code)
- #else
- switch (code)
- #endif
- {
- case Alogior:
- case Alogxor:
- case Aadd:
- case Asub:
- accum = 0; break;
- case Amult:
- accum = 1; break;
- case Alogand:
- accum = -1; break;
- }
-
- for (argnum = 0; argnum < nargs; argnum++)
- {
- val = args[argnum]; /* using args[argnum] as argument to CHECK_NUMBER_... */
- CHECK_NUMBER_COERCE_MARKER (val, argnum);
- args[argnum] = val; /* runs into a compiler bug. */
- next = XINT (args[argnum]);
- #ifdef SWITCH_ENUM_BUG
- switch ((int) code)
- #else
- switch (code)
- #endif
- {
- case Aadd: accum += next; break;
- case Asub:
- if (!argnum && nargs != 1)
- next = - next;
- accum -= next;
- break;
- case Amult: accum *= next; break;
- case Adiv:
- if (!argnum) accum = next;
- else
- {
- /* Some systems fail to trap this right. */
- if (!XINT (next))
- while (1)
- Fsignal (Qarith_error, Qnil);
-
- 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;
- }
- }
-
- XSET (val, Lisp_Int, accum);
- return val;
- }
-
- DEFUN ("+", Fplus, Splus, 0, MANY, 0,
- "Return sum of any number of numbers.")
- (nargs, args)
- int nargs;
- Lisp_Object *args;
- {
- return arith_driver (Aadd, nargs, args);
- }
-
- DEFUN ("-", Fminus, Sminus, 0, MANY, 0,
- "Negate number or subtract numbers.\n\
- With one arg, negates it. With more than one arg,\n\
- subtracts all but the first from the first.")
- (nargs, args)
- int nargs;
- Lisp_Object *args;
- {
- return arith_driver (Asub, nargs, args);
- }
-
- DEFUN ("*", Ftimes, Stimes, 0, MANY, 0,
- "Returns product of any number of numbers.")
- (nargs, args)
- int nargs;
- Lisp_Object *args;
- {
- return arith_driver (Amult, nargs, args);
- }
-
- DEFUN ("/", Fquo, Squo, 2, MANY, 0,
- "Returns first argument divided by rest of arguments.")
- (nargs, args)
- int nargs;
- Lisp_Object *args;
- {
- return arith_driver (Adiv, nargs, args);
- }
-
- DEFUN ("%", Frem, Srem, 2, 2, 0,
- "Returns remainder of first arg divided by second.")
- (num1, num2)
- register Lisp_Object num1, num2;
- {
- Lisp_Object val;
-
- CHECK_NUMBER (num1, 0);
- CHECK_NUMBER (num2, 1);
-
- /* Some systems fail to trap this right. */
- if (!XINT (num2))
- while (1)
- Fsignal (Qarith_error, Qnil);
-
- XSET (val, Lisp_Int, XINT (num1) % XINT (num2));
- return val;
- }
-
- DEFUN ("max", Fmax, Smax, 1, MANY, 0,
- "Return largest of all the arguments (which must be numbers.)")
- (nargs, args)
- int nargs;
- Lisp_Object *args;
- {
- return arith_driver (Amax, nargs, args);
- }
-
- DEFUN ("min", Fmin, Smin, 1, MANY, 0,
- "Return smallest of all the arguments (which must be numbers.)")
- (nargs, args)
- int nargs;
- Lisp_Object *args;
- {
- return arith_driver (Amin, nargs, args);
- }
-
- DEFUN ("logand", Flogand, Slogand, 0, MANY, 0,
- "Return bitwise and of all the arguments (numbers).")
- (nargs, args)
- int nargs;
- Lisp_Object *args;
- {
- return arith_driver (Alogand, nargs, args);
- }
-
- DEFUN ("logior", Flogior, Slogior, 0, MANY, 0,
- "Return bitwise or of all the arguments (numbers).")
- (nargs, args)
- int nargs;
- Lisp_Object *args;
- {
- return arith_driver (Alogior, nargs, args);
- }
-
- DEFUN ("logxor", Flogxor, Slogxor, 0, MANY, 0,
- "Return bitwise exclusive-or of all the arguments (numbers).")
- (nargs, args)
- int nargs;
- Lisp_Object *args;
- {
- return arith_driver (Alogxor, nargs, 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.")
- (num1, num2)
- register Lisp_Object num1, num2;
- {
- register Lisp_Object val;
-
- CHECK_NUMBER (num1, 0);
- CHECK_NUMBER (num2, 1);
-
- if (XINT (num2) > 0)
- XSET (val, Lisp_Int, XINT (num1) << XFASTINT (num2));
- else
- XSET (val, Lisp_Int, XINT (num1) >> -XINT (num2));
- return val;
- }
-
- 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.")
- (num1, num2)
- register Lisp_Object num1, num2;
- {
- register Lisp_Object val;
-
- CHECK_NUMBER (num1, 0);
- CHECK_NUMBER (num2, 1);
-
- if (XINT (num2) > 0)
- XSET (val, Lisp_Int, (unsigned) XFASTINT (num1) << XFASTINT (num2));
- else
- XSET (val, Lisp_Int, (unsigned) XFASTINT (num1) >> -XINT (num2));
- return val;
- }
-
- DEFUN ("1+", Fadd1, Sadd1, 1, 1, 0,
- "Return NUMBER plus one.")
- (num)
- register Lisp_Object num;
- {
- CHECK_NUMBER_COERCE_MARKER (num, 0);
- XSETINT (num, XFASTINT (num) + 1);
- return num;
- }
-
- DEFUN ("1-", Fsub1, Ssub1, 1, 1, 0,
- "Return NUMBER minus one.")
- (num)
- register Lisp_Object num;
- {
- CHECK_NUMBER_COERCE_MARKER (num, 0);
- XSETINT (num, XFASTINT (num) - 1);
- return num;
- }
-
- DEFUN ("lognot", Flognot, Slognot, 1, 1, 0,
- "Return the bitwise complement of ARG.")
- (num)
- register Lisp_Object num;
- {
- CHECK_NUMBER (num, 0);
- XSETINT (num, ~XFASTINT (num));
- return num;
- }
-
- void
- syms_of_data ()
- {
- Qquote = intern ("quote");
- Qlambda = intern ("lambda");
- Qsubr = intern ("subr");
- Qerror_conditions = intern ("error-conditions");
- Qerror_message = intern ("error-message");
- Qtop_level = intern ("top-level");
-
- Qerror = intern ("error");
- Qquit = intern ("quit");
- Qwrong_type_argument = intern ("wrong-type-argument");
- Qargs_out_of_range = intern ("args-out-of-range");
- Qvoid_function = intern ("void-function");
- Qvoid_variable = intern ("void-variable");
- Qsetting_constant = intern ("setting-constant");
- Qinvalid_read_syntax = intern ("invalid-read-syntax");
-
- Qinvalid_function = intern ("invalid-function");
- Qwrong_number_of_arguments = intern ("wrong-number-of-arguments");
- Qno_catch = intern ("no-catch");
- Qend_of_file = intern ("end-of-file");
- Qarith_error = intern ("arith-error");
- Qbeginning_of_buffer = intern ("beginning-of-buffer");
- Qend_of_buffer = intern ("end-of-buffer");
- Qbuffer_read_only = intern ("buffer-read-only");
-
- Qlistp = intern ("listp");
- Qconsp = intern ("consp");
- Qsymbolp = intern ("symbolp");
- Qintegerp = intern ("integerp");
- Qnatnump = intern ("natnump");
- Qstringp = intern ("stringp");
- Qarrayp = intern ("arrayp");
- Qsequencep = intern ("sequencep");
- Qbufferp = intern ("bufferp");
- Qvectorp = intern ("vectorp");
- Qchar_or_string_p = intern ("char-or-string-p");
- Qmarkerp = intern ("markerp");
- Qinteger_or_marker_p = intern ("integer-or-marker-p");
- Qboundp = intern ("boundp");
- Qfboundp = intern ("fboundp");
-
- Qcdr = intern ("cdr");
-
- /* ERROR is used as a signaler for random errors for which nothing else is right */
-
- Fput (Qerror, Qerror_conditions,
- Fcons (Qerror, Qnil));
- Fput (Qerror, Qerror_message,
- build_string ("error"));
-
- Fput (Qquit, Qerror_conditions,
- Fcons (Qquit, Qnil));
- Fput (Qquit, Qerror_message,
- build_string ("Quit"));
-
- Fput (Qwrong_type_argument, Qerror_conditions,
- Fcons (Qwrong_type_argument, Fcons (Qerror, Qnil)));
- Fput (Qwrong_type_argument, Qerror_message,
- build_string ("Wrong type argument"));
-
- Fput (Qargs_out_of_range, Qerror_conditions,
- Fcons (Qargs_out_of_range, Fcons (Qerror, Qnil)));
- Fput (Qargs_out_of_range, Qerror_message,
- build_string ("Args out of range"));
-
- Fput (Qvoid_function, Qerror_conditions,
- Fcons (Qvoid_function, Fcons (Qerror, Qnil)));
- Fput (Qvoid_function, Qerror_message,
- build_string ("Symbol's function definition is void"));
-
- Fput (Qvoid_variable, Qerror_conditions,
- Fcons (Qvoid_variable, Fcons (Qerror, Qnil)));
- Fput (Qvoid_variable, Qerror_message,
- build_string ("Symbol's value as variable is void"));
-
- Fput (Qsetting_constant, Qerror_conditions,
- Fcons (Qsetting_constant, Fcons (Qerror, Qnil)));
- Fput (Qsetting_constant, Qerror_message,
- build_string ("Attempt to set a constant symbol"));
-
- Fput (Qinvalid_read_syntax, Qerror_conditions,
- Fcons (Qinvalid_read_syntax, Fcons (Qerror, Qnil)));
- Fput (Qinvalid_read_syntax, Qerror_message,
- build_string ("Invalid read syntax"));
-
- Fput (Qinvalid_function, Qerror_conditions,
- Fcons (Qinvalid_function, Fcons (Qerror, Qnil)));
- Fput (Qinvalid_function, Qerror_message,
- build_string ("Invalid function"));
-
- Fput (Qwrong_number_of_arguments, Qerror_conditions,
- Fcons (Qwrong_number_of_arguments, Fcons (Qerror, Qnil)));
- Fput (Qwrong_number_of_arguments, Qerror_message,
- build_string ("Wrong number of arguments"));
-
- Fput (Qno_catch, Qerror_conditions,
- Fcons (Qno_catch, Fcons (Qerror, Qnil)));
- Fput (Qno_catch, Qerror_message,
- build_string ("No catch for tag"));
-
- Fput (Qend_of_file, Qerror_conditions,
- Fcons (Qend_of_file, Fcons (Qerror, Qnil)));
- Fput (Qend_of_file, Qerror_message,
- build_string ("End of file during parsing"));
-
- Fput (Qarith_error, Qerror_conditions,
- Fcons (Qarith_error, Fcons (Qerror, Qnil)));
- Fput (Qarith_error, Qerror_message,
- build_string ("Arithmetic error"));
-
- Fput (Qbeginning_of_buffer, Qerror_conditions,
- Fcons (Qbeginning_of_buffer, Fcons (Qerror, Qnil)));
- Fput (Qbeginning_of_buffer, Qerror_message,
- build_string ("Beginning of buffer"));
-
- Fput (Qend_of_buffer, Qerror_conditions,
- Fcons (Qend_of_buffer, Fcons (Qerror, Qnil)));
- Fput (Qend_of_buffer, Qerror_message,
- build_string ("End of buffer"));
-
- Fput (Qbuffer_read_only, Qerror_conditions,
- Fcons (Qbuffer_read_only, Fcons (Qerror, Qnil)));
- Fput (Qbuffer_read_only, Qerror_message,
- build_string ("Buffer is read-only"));
-
- staticpro (&Qnil);
- staticpro (&Qt);
- staticpro (&Qquote);
- staticpro (&Qlambda);
- staticpro (&Qsubr);
- staticpro (&Qunbound);
- staticpro (&Qerror_conditions);
- staticpro (&Qerror_message);
- staticpro (&Qtop_level);
-
- staticpro (&Qerror);
- staticpro (&Qquit);
- staticpro (&Qwrong_type_argument);
- staticpro (&Qargs_out_of_range);
- staticpro (&Qvoid_function);
- staticpro (&Qvoid_variable);
- staticpro (&Qsetting_constant);
- staticpro (&Qinvalid_read_syntax);
- staticpro (&Qwrong_number_of_arguments);
- staticpro (&Qinvalid_function);
- staticpro (&Qno_catch);
- staticpro (&Qend_of_file);
- staticpro (&Qarith_error);
- staticpro (&Qbeginning_of_buffer);
- staticpro (&Qend_of_buffer);
- staticpro (&Qbuffer_read_only);
-
- staticpro (&Qlistp);
- staticpro (&Qconsp);
- staticpro (&Qsymbolp);
- staticpro (&Qintegerp);
- staticpro (&Qnatnump);
- staticpro (&Qstringp);
- staticpro (&Qarrayp);
- staticpro (&Qsequencep);
- staticpro (&Qbufferp);
- staticpro (&Qvectorp);
- staticpro (&Qchar_or_string_p);
- staticpro (&Qmarkerp);
- staticpro (&Qinteger_or_marker_p);
- staticpro (&Qboundp);
- staticpro (&Qfboundp);
- staticpro (&Qcdr);
-
- defsubr (&Seq);
- defsubr (&Snull);
- defsubr (&Slistp);
- defsubr (&Snlistp);
- defsubr (&Sconsp);
- defsubr (&Satom);
- defsubr (&Sintegerp);
- defsubr (&Snatnump);
- defsubr (&Ssymbolp);
- defsubr (&Sstringp);
- defsubr (&Svectorp);
- defsubr (&Sarrayp);
- defsubr (&Ssequencep);
- defsubr (&Sbufferp);
- defsubr (&Smarkerp);
- defsubr (&Sinteger_or_marker_p);
- defsubr (&Ssubrp);
- defsubr (&Schar_or_string_p);
- defsubr (&Scar);
- defsubr (&Scdr);
- defsubr (&Scar_safe);
- defsubr (&Scdr_safe);
- defsubr (&Ssetcar);
- defsubr (&Ssetcdr);
- defsubr (&Ssymbol_function);
- defsubr (&Ssymbol_plist);
- defsubr (&Ssymbol_name);
- defsubr (&Smakunbound);
- defsubr (&Sfmakunbound);
- defsubr (&Sboundp);
- defsubr (&Sfboundp);
- defsubr (&Sfset);
- defsubr (&Ssetplist);
- defsubr (&Ssymbol_value);
- defsubr (&Sset);
- defsubr (&Sdefault_value);
- defsubr (&Sset_default);
- defsubr (&Ssetq_default);
- defsubr (&Smake_variable_buffer_local);
- defsubr (&Smake_local_variable);
- defsubr (&Skill_local_variable);
- defsubr (&Saref);
- defsubr (&Saset);
- defsubr (&Sint_to_string);
- defsubr (&Sstring_to_int);
- defsubr (&Seqlsign);
- defsubr (&Slss);
- defsubr (&Sgtr);
- defsubr (&Sleq);
- defsubr (&Sgeq);
- defsubr (&Sneq);
- defsubr (&Szerop);
- defsubr (&Splus);
- defsubr (&Sminus);
- defsubr (&Stimes);
- defsubr (&Squo);
- defsubr (&Srem);
- defsubr (&Smax);
- defsubr (&Smin);
- defsubr (&Slogand);
- defsubr (&Slogior);
- defsubr (&Slogxor);
- defsubr (&Slsh);
- defsubr (&Sash);
- defsubr (&Sadd1);
- defsubr (&Ssub1);
- defsubr (&Slognot);
- }
-
- arith_error (signo)
- int signo;
- {
- #ifdef USG
- /* USG systems forget handlers when they are used;
- must reestablish each time */
- signal (signo, arith_error);
- #endif /* USG */
- #ifdef VMS
- /* VMS systems are like USG. */
- signal (signo, arith_error);
- #endif /* VMS */
- #ifdef BSD4_1
- sigrelse (SIGFPE);
- #else /* not BSD4_1 */
- sigsetmask (SIGEMPTYMASK);
- #endif /* not BSD4_1 */
-
- while (1)
- Fsignal (Qarith_error, Qnil);
- }
-
- init_data ()
- {
- /* 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);
- #ifdef uts
- signal (SIGEMT, arith_error);
- #endif /* uts */
- }
-