/* Primitive operations on Lisp data types for GNU Emacs Lisp interpreter.
- Copyright (C) 1985-1986, 1988, 1993-1995, 1997-2011
+ Copyright (C) 1985-1986, 1988, 1993-1995, 1997-2012
Free Software Foundation, Inc.
This file is part of GNU Emacs.
#include "syssignal.h"
#include "termhooks.h" /* For FRAME_KBOARD reference in y-or-n-p. */
#include "font.h"
+#include "keymap.h"
-#ifdef STDC_HEADERS
#include <float.h>
-#endif
-
/* If IEEE_FLOATING_POINT isn't defined, default it from FLT_*. */
#ifndef IEEE_FLOATING_POINT
#if (FLT_RADIX == 2 && FLT_MANT_DIG == 24 \
Lisp_Object Qnil, Qt, Qquote, Qlambda, Qunbound;
static Lisp_Object Qsubr;
Lisp_Object Qerror_conditions, Qerror_message, Qtop_level;
-Lisp_Object Qerror, Qquit, Qargs_out_of_range;
+Lisp_Object Qerror, Quser_error, Qquit, Qargs_out_of_range;
static Lisp_Object Qwrong_type_argument;
Lisp_Object Qvoid_variable, Qvoid_function;
static Lisp_Object Qcyclic_function_indirection;
static Lisp_Object Qchar_table, Qbool_vector, Qhash_table;
static Lisp_Object Qsubrp, Qmany, Qunevalled;
Lisp_Object Qfont_spec, Qfont_entity, Qfont_object;
+static Lisp_Object Qdefun;
Lisp_Object Qinteractive_form;
}
\f
-/* Data type predicates */
+/* Data type predicates. */
DEFUN ("eq", Feq, Seq, 2, 2, 0,
doc: /* Return t if the two args are the same Lisp object. */)
if (CONSP (XSYMBOL (symbol)->function)
&& EQ (XCAR (XSYMBOL (symbol)->function), Qautoload))
LOADHIST_ATTACH (Fcons (Qt, symbol));
+ if (!NILP (Vpurify_flag)
+ /* If `definition' is a keymap, immutable (and copying) is wrong. */
+ && !KEYMAPP (definition))
+ definition = Fpurecopy (definition);
definition = Ffset (symbol, definition);
LOADHIST_ATTACH (Fcons (Qdefun, symbol));
if (!NILP (docstring))
case Lisp_Fwd_Kboard_Obj:
/* We used to simply use current_kboard here, but from Lisp
- code, it's value is often unexpected. It seems nicer to
+ code, its value is often unexpected. It seems nicer to
allow constructions like this to work as intuitively expected:
(with-selected-frame frame
{
struct specbinding *p;
- for (p = specpdl_ptr - 1; p >= specpdl; p--)
- if (p->func == NULL
+ for (p = specpdl_ptr; p > specpdl; )
+ if ((--p)->func == NULL
&& CONSP (p->symbol))
{
struct Lisp_Symbol *let_bound_symbol = XSYMBOL (XCAR (p->symbol));
eassert (let_bound_symbol->redirect != SYMBOL_VARALIAS);
if (symbol == let_bound_symbol
&& XBUFFER (XCDR (XCDR (p->symbol))) == current_buffer)
- break;
+ return 1;
}
- return p >= specpdl;
+ return 0;
}
static int
{
struct specbinding *p;
- for (p = specpdl_ptr - 1; p >= specpdl; p--)
- if (p->func == NULL && EQ (p->symbol, symbol))
- break;
+ for (p = specpdl_ptr; p > specpdl; )
+ if ((--p)->func == NULL && EQ (p->symbol, symbol))
+ return 1;
- return p >= specpdl;
+ return 0;
}
/* Store the value NEWVAL into SYMBOL.
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.
+Optional arg NOERROR non-nil means to return nil instead of signaling.
Signal a cyclic-function-indirection error if there is a loop in the
function chain of symbols. */)
(register Lisp_Object object, Lisp_Object noerror)
if (STRINGP (array))
{
int c;
- EMACS_INT idxval_byte;
+ ptrdiff_t idxval_byte;
if (idxval < 0 || idxval >= SCHARS (array))
args_out_of_range (array, idx);
}
else
{
- int size = 0;
+ ptrdiff_t size = 0;
if (VECTORP (array))
size = ASIZE (array);
else if (COMPILEDP (array))
if (STRING_MULTIBYTE (array))
{
- EMACS_INT idxval_byte, prev_bytes, new_bytes, nbytes;
+ ptrdiff_t idxval_byte, nbytes;
+ int prev_bytes, new_bytes;
unsigned char workbuf[MAX_MULTIBYTE_LENGTH], *p0 = workbuf, *p1;
nbytes = SBYTES (array);
if (prev_bytes != new_bytes)
{
/* We must relocate the string data. */
- EMACS_INT nchars = SCHARS (array);
+ ptrdiff_t nchars = SCHARS (array);
unsigned char *str;
USE_SAFE_ALLOCA;
else
{
CHECK_NUMBER (base);
- b = XINT (base);
- if (b < 2 || b > 16)
+ if (! (2 <= XINT (base) && XINT (base) <= 16))
xsignal1 (Qargs_out_of_range, base);
+ b = XINT (base);
}
p = SSDATA (string);
CHECK_NUMBER_COERCE_MARKER (x);
CHECK_NUMBER_COERCE_MARKER (y);
- if (XFASTINT (y) == 0)
+ if (XINT (y) == 0)
xsignal0 (Qarith_error);
XSETINT (val, XINT (x) % XINT (y));
DEFSYM (Qtop_level, "top-level");
DEFSYM (Qerror, "error");
+ DEFSYM (Quser_error, "user-error");
DEFSYM (Qquit, "quit");
DEFSYM (Qwrong_type_argument, "wrong-type-argument");
DEFSYM (Qargs_out_of_range, "args-out-of-range");
Fput (Qerror, Qerror_message,
make_pure_c_string ("error"));
- Fput (Qquit, Qerror_conditions,
- pure_cons (Qquit, Qnil));
- Fput (Qquit, Qerror_message,
- make_pure_c_string ("Quit"));
-
- Fput (Qwrong_type_argument, Qerror_conditions,
- pure_cons (Qwrong_type_argument, error_tail));
- Fput (Qwrong_type_argument, Qerror_message,
- make_pure_c_string ("Wrong type argument"));
-
- Fput (Qargs_out_of_range, Qerror_conditions,
- pure_cons (Qargs_out_of_range, error_tail));
- Fput (Qargs_out_of_range, Qerror_message,
- make_pure_c_string ("Args out of range"));
-
- Fput (Qvoid_function, Qerror_conditions,
- pure_cons (Qvoid_function, error_tail));
- Fput (Qvoid_function, Qerror_message,
- make_pure_c_string ("Symbol's function definition is void"));
-
- Fput (Qcyclic_function_indirection, Qerror_conditions,
- pure_cons (Qcyclic_function_indirection, error_tail));
- Fput (Qcyclic_function_indirection, Qerror_message,
- make_pure_c_string ("Symbol's chain of function indirections contains a loop"));
-
- Fput (Qcyclic_variable_indirection, Qerror_conditions,
- pure_cons (Qcyclic_variable_indirection, error_tail));
- Fput (Qcyclic_variable_indirection, Qerror_message,
- make_pure_c_string ("Symbol's chain of variable indirections contains a loop"));
-
+#define PUT_ERROR(sym, tail, msg) \
+ Fput (sym, Qerror_conditions, pure_cons (sym, tail)); \
+ Fput (sym, Qerror_message, make_pure_c_string (msg))
+
+ PUT_ERROR (Qquit, Qnil, "Quit");
+
+ PUT_ERROR (Quser_error, error_tail, "");
+ PUT_ERROR (Qwrong_type_argument, error_tail, "Wrong type argument");
+ PUT_ERROR (Qargs_out_of_range, error_tail, "Args out of range");
+ PUT_ERROR (Qvoid_function, error_tail,
+ "Symbol's function definition is void");
+ PUT_ERROR (Qcyclic_function_indirection, error_tail,
+ "Symbol's chain of function indirections contains a loop");
+ PUT_ERROR (Qcyclic_variable_indirection, error_tail,
+ "Symbol's chain of variable indirections contains a loop");
DEFSYM (Qcircular_list, "circular-list");
- Fput (Qcircular_list, Qerror_conditions,
- pure_cons (Qcircular_list, error_tail));
- Fput (Qcircular_list, Qerror_message,
- make_pure_c_string ("List contains a loop"));
-
- Fput (Qvoid_variable, Qerror_conditions,
- pure_cons (Qvoid_variable, error_tail));
- Fput (Qvoid_variable, Qerror_message,
- make_pure_c_string ("Symbol's value as variable is void"));
-
- Fput (Qsetting_constant, Qerror_conditions,
- pure_cons (Qsetting_constant, error_tail));
- Fput (Qsetting_constant, Qerror_message,
- make_pure_c_string ("Attempt to set a constant symbol"));
-
- Fput (Qinvalid_read_syntax, Qerror_conditions,
- pure_cons (Qinvalid_read_syntax, error_tail));
- Fput (Qinvalid_read_syntax, Qerror_message,
- make_pure_c_string ("Invalid read syntax"));
-
- Fput (Qinvalid_function, Qerror_conditions,
- pure_cons (Qinvalid_function, error_tail));
- Fput (Qinvalid_function, Qerror_message,
- make_pure_c_string ("Invalid function"));
-
- Fput (Qwrong_number_of_arguments, Qerror_conditions,
- pure_cons (Qwrong_number_of_arguments, error_tail));
- Fput (Qwrong_number_of_arguments, Qerror_message,
- make_pure_c_string ("Wrong number of arguments"));
-
- Fput (Qno_catch, Qerror_conditions,
- pure_cons (Qno_catch, error_tail));
- Fput (Qno_catch, Qerror_message,
- make_pure_c_string ("No catch for tag"));
-
- Fput (Qend_of_file, Qerror_conditions,
- pure_cons (Qend_of_file, error_tail));
- Fput (Qend_of_file, Qerror_message,
- make_pure_c_string ("End of file during parsing"));
+ PUT_ERROR (Qcircular_list, error_tail, "List contains a loop");
+ PUT_ERROR (Qvoid_variable, error_tail, "Symbol's value as variable is void");
+ PUT_ERROR (Qsetting_constant, error_tail,
+ "Attempt to set a constant symbol");
+ PUT_ERROR (Qinvalid_read_syntax, error_tail, "Invalid read syntax");
+ PUT_ERROR (Qinvalid_function, error_tail, "Invalid function");
+ PUT_ERROR (Qwrong_number_of_arguments, error_tail,
+ "Wrong number of arguments");
+ PUT_ERROR (Qno_catch, error_tail, "No catch for tag");
+ PUT_ERROR (Qend_of_file, error_tail, "End of file during parsing");
arith_tail = pure_cons (Qarith_error, error_tail);
- Fput (Qarith_error, Qerror_conditions,
- arith_tail);
- Fput (Qarith_error, Qerror_message,
- make_pure_c_string ("Arithmetic error"));
-
- Fput (Qbeginning_of_buffer, Qerror_conditions,
- pure_cons (Qbeginning_of_buffer, error_tail));
- Fput (Qbeginning_of_buffer, Qerror_message,
- make_pure_c_string ("Beginning of buffer"));
-
- Fput (Qend_of_buffer, Qerror_conditions,
- pure_cons (Qend_of_buffer, error_tail));
- Fput (Qend_of_buffer, Qerror_message,
- make_pure_c_string ("End of buffer"));
-
- Fput (Qbuffer_read_only, Qerror_conditions,
- pure_cons (Qbuffer_read_only, error_tail));
- Fput (Qbuffer_read_only, Qerror_message,
- make_pure_c_string ("Buffer is read-only"));
-
- Fput (Qtext_read_only, Qerror_conditions,
- pure_cons (Qtext_read_only, error_tail));
- Fput (Qtext_read_only, Qerror_message,
- make_pure_c_string ("Text is read-only"));
+ Fput (Qarith_error, Qerror_conditions, arith_tail);
+ Fput (Qarith_error, Qerror_message, make_pure_c_string ("Arithmetic error"));
+
+ PUT_ERROR (Qbeginning_of_buffer, error_tail, "Beginning of buffer");
+ PUT_ERROR (Qend_of_buffer, error_tail, "End of buffer");
+ PUT_ERROR (Qbuffer_read_only, error_tail, "Buffer is read-only");
+ PUT_ERROR (Qtext_read_only, pure_cons (Qbuffer_read_only, error_tail),
+ "Text is read-only");
DEFSYM (Qrange_error, "range-error");
DEFSYM (Qdomain_error, "domain-error");
DEFSYM (Qoverflow_error, "overflow-error");
DEFSYM (Qunderflow_error, "underflow-error");
- Fput (Qdomain_error, Qerror_conditions,
- pure_cons (Qdomain_error, arith_tail));
- Fput (Qdomain_error, Qerror_message,
- make_pure_c_string ("Arithmetic domain error"));
-
- Fput (Qrange_error, Qerror_conditions,
- pure_cons (Qrange_error, arith_tail));
- Fput (Qrange_error, Qerror_message,
- make_pure_c_string ("Arithmetic range error"));
+ PUT_ERROR (Qdomain_error, arith_tail, "Arithmetic domain error");
- Fput (Qsingularity_error, Qerror_conditions,
- pure_cons (Qsingularity_error, Fcons (Qdomain_error, arith_tail)));
- Fput (Qsingularity_error, Qerror_message,
- make_pure_c_string ("Arithmetic singularity error"));
+ PUT_ERROR (Qrange_error, arith_tail, "Arithmetic range error");
- Fput (Qoverflow_error, Qerror_conditions,
- pure_cons (Qoverflow_error, Fcons (Qdomain_error, arith_tail)));
- Fput (Qoverflow_error, Qerror_message,
- make_pure_c_string ("Arithmetic overflow error"));
+ PUT_ERROR (Qsingularity_error, Fcons (Qdomain_error, arith_tail),
+ "Arithmetic singularity error");
- Fput (Qunderflow_error, Qerror_conditions,
- pure_cons (Qunderflow_error, Fcons (Qdomain_error, arith_tail)));
- Fput (Qunderflow_error, Qerror_message,
- make_pure_c_string ("Arithmetic underflow error"));
+ PUT_ERROR (Qoverflow_error, Fcons (Qdomain_error, arith_tail),
+ "Arithmetic overflow error");
+ PUT_ERROR (Qunderflow_error, Fcons (Qdomain_error, arith_tail),
+ "Arithmetic underflow error");
staticpro (&Qnil);
staticpro (&Qt);
DEFSYM (Qbool_vector, "bool-vector");
DEFSYM (Qhash_table, "hash-table");
+ DEFSYM (Qdefun, "defun");
+
DEFSYM (Qfont_spec, "font-spec");
DEFSYM (Qfont_entity, "font-entity");
DEFSYM (Qfont_object, "font-object");
HCoop / bpt / emacs.git / blobdiff