/* Random utility Lisp functions.
-Copyright (C) 1985-1987, 1993-1995, 1997-2013 Free Software Foundation, Inc.
+Copyright (C) 1985-1987, 1993-1995, 1997-2014 Free Software Foundation,
+Inc.
This file is part of GNU Emacs.
#include "frame.h"
#include "window.h"
#include "blockinput.h"
-#ifdef HAVE_MENUS
#if defined (HAVE_X_WINDOWS)
#include "xterm.h"
#endif
-#endif /* HAVE_MENUS */
Lisp_Object Qstring_lessp;
static Lisp_Object Qprovide, Qrequire;
static Lisp_Object Qmd5, Qsha1, Qsha224, Qsha256, Qsha384, Qsha512;
-static bool internal_equal (Lisp_Object, Lisp_Object, int, bool);
+static bool internal_equal (Lisp_Object, Lisp_Object, int, bool, Lisp_Object);
\f
DEFUN ("identity", Fidentity, Sidentity, 1, 1, 0,
doc: /* Return the argument unchanged. */)
if (BOOL_VECTOR_P (arg))
{
- Lisp_Object val;
- ptrdiff_t size_in_chars
- = ((bool_vector_size (arg) + BOOL_VECTOR_BITS_PER_CHAR - 1)
- / BOOL_VECTOR_BITS_PER_CHAR);
-
- val = Fmake_bool_vector (Flength (arg), Qnil);
- memcpy (XBOOL_VECTOR (val)->data, XBOOL_VECTOR (arg)->data,
- size_in_chars);
+ EMACS_INT nbits = bool_vector_size (arg);
+ ptrdiff_t nbytes = bool_vector_bytes (nbits);
+ Lisp_Object val = make_uninit_bool_vector (nbits);
+ memcpy (bool_vector_data (val), bool_vector_data (arg), nbytes);
return val;
}
}
else if (BOOL_VECTOR_P (this))
{
- int byte;
- byte = XBOOL_VECTOR (this)->data[thisindex / BOOL_VECTOR_BITS_PER_CHAR];
- if (byte & (1 << (thisindex % BOOL_VECTOR_BITS_PER_CHAR)))
- elt = Qt;
- else
- elt = Qnil;
+ elt = bool_vector_ref (this, thisindex);
thisindex++;
}
else
if (STRING_MULTIBYTE (string))
{
- unsigned char *str = xlispstrdup (string);
+ unsigned char *str = (unsigned char *) xlispstrdup (string);
ptrdiff_t bytes = str_as_unibyte (str, SBYTES (string));
string = make_unibyte_string ((char *) str, bytes);
register Lisp_Object tem;
CHECK_LIST_CONS (tail, list);
tem = XCAR (tail);
- if (FLOATP (tem) && internal_equal (elt, tem, 0, 0))
+ if (FLOATP (tem) && internal_equal (elt, tem, 0, 0, Qnil))
return tail;
QUIT;
}
the value of a list `foo'. */)
(register Lisp_Object elt, Lisp_Object list)
{
- register Lisp_Object tail, prev;
- register Lisp_Object tem;
+ Lisp_Object tail, tortoise, prev = Qnil;
+ bool skip;
- tail = list;
- prev = Qnil;
- while (CONSP (tail))
+ FOR_EACH_TAIL (tail, list, tortoise, skip)
{
- CHECK_LIST_CONS (tail, list);
- tem = XCAR (tail);
+ Lisp_Object tem = XCAR (tail);
if (EQ (elt, tem))
{
if (NILP (prev))
}
else
prev = tail;
- tail = XCDR (tail);
- QUIT;
}
return list;
}
for (i = n = 0; i < ASIZE (seq); ++i)
if (NILP (Fequal (AREF (seq, i), elt)))
- p->u.contents[n++] = AREF (seq, i);
+ p->contents[n++] = AREF (seq, i);
XSETVECTOR (seq, p);
}
(Lisp_Object obj1, Lisp_Object obj2)
{
if (FLOATP (obj1))
- return internal_equal (obj1, obj2, 0, 0) ? Qt : Qnil;
+ return internal_equal (obj1, obj2, 0, 0, Qnil) ? Qt : Qnil;
else
return EQ (obj1, obj2) ? Qt : Qnil;
}
Symbols must match exactly. */)
(register Lisp_Object o1, Lisp_Object o2)
{
- return internal_equal (o1, o2, 0, 0) ? Qt : Qnil;
+ return internal_equal (o1, o2, 0, 0, Qnil) ? Qt : Qnil;
}
DEFUN ("equal-including-properties", Fequal_including_properties, Sequal_including_properties, 2, 2, 0,
of strings. (`equal' ignores text properties.) */)
(register Lisp_Object o1, Lisp_Object o2)
{
- return internal_equal (o1, o2, 0, 1) ? Qt : Qnil;
+ return internal_equal (o1, o2, 0, 1, Qnil) ? Qt : Qnil;
}
/* DEPTH is current depth of recursion. Signal an error if it
PROPS means compare string text properties too. */
static bool
-internal_equal (Lisp_Object o1, Lisp_Object o2, int depth, bool props)
+internal_equal (Lisp_Object o1, Lisp_Object o2, int depth, bool props,
+ Lisp_Object ht)
{
- if (depth > 200)
- error ("Stack overflow in equal");
+ if (depth > 10)
+ {
+ if (depth > 200)
+ error ("Stack overflow in equal");
+ if (NILP (ht))
+ {
+ Lisp_Object args[2];
+ args[0] = QCtest;
+ args[1] = Qeq;
+ ht = Fmake_hash_table (2, args);
+ }
+ switch (XTYPE (o1))
+ {
+ case Lisp_Cons: case Lisp_Misc: case Lisp_Vectorlike:
+ {
+ struct Lisp_Hash_Table *h = XHASH_TABLE (ht);
+ EMACS_UINT hash;
+ ptrdiff_t i = hash_lookup (h, o1, &hash);
+ if (i >= 0)
+ { /* `o1' was seen already. */
+ Lisp_Object o2s = HASH_VALUE (h, i);
+ if (!NILP (Fmemq (o2, o2s)))
+ return 1;
+ else
+ set_hash_value_slot (h, i, Fcons (o2, o2s));
+ }
+ else
+ hash_put (h, o1, Fcons (o2, Qnil), hash);
+ }
+ default: ;
+ }
+ }
tail_recurse:
QUIT;
}
case Lisp_Cons:
- if (!internal_equal (XCAR (o1), XCAR (o2), depth + 1, props))
+ if (!internal_equal (XCAR (o1), XCAR (o2), depth + 1, props, ht))
return 0;
o1 = XCDR (o1);
o2 = XCDR (o2);
+ /* FIXME: This inf-loops in a circular list! */
goto tail_recurse;
case Lisp_Misc:
if (OVERLAYP (o1))
{
if (!internal_equal (OVERLAY_START (o1), OVERLAY_START (o2),
- depth + 1, props)
+ depth + 1, props, ht)
|| !internal_equal (OVERLAY_END (o1), OVERLAY_END (o2),
- depth + 1, props))
+ depth + 1, props, ht))
return 0;
o1 = XOVERLAY (o1)->plist;
o2 = XOVERLAY (o2)->plist;
EMACS_INT size = bool_vector_size (o1);
if (size != bool_vector_size (o2))
return 0;
- if (memcmp (XBOOL_VECTOR (o1)->data, XBOOL_VECTOR (o2)->data,
- ((size + BOOL_VECTOR_BITS_PER_CHAR - 1)
- / BOOL_VECTOR_BITS_PER_CHAR)))
+ if (memcmp (bool_vector_data (o1), bool_vector_data (o2),
+ bool_vector_bytes (size)))
return 0;
return 1;
}
Lisp_Object v1, v2;
v1 = AREF (o1, i);
v2 = AREF (o2, i);
- if (!internal_equal (v1, v2, depth + 1, props))
+ if (!internal_equal (v1, v2, depth + 1, props, ht))
return 0;
}
return 1;
p[idx] = charval;
}
else if (BOOL_VECTOR_P (array))
- {
- unsigned char *p = XBOOL_VECTOR (array)->data;
- size = ((bool_vector_size (array) + BOOL_VECTOR_BITS_PER_CHAR - 1)
- / BOOL_VECTOR_BITS_PER_CHAR);
-
- if (size)
- {
- memset (p, ! NILP (item) ? -1 : 0, size);
-
- /* Clear any extraneous bits in the last byte. */
- p[size - 1] &= (1 << (size % BOOL_VECTOR_BITS_PER_CHAR)) - 1;
- }
- }
+ return bool_vector_fill (array, item);
else
wrong_type_argument (Qarrayp, array);
return array;
{
for (i = 0; i < leni; i++)
{
- unsigned char byte;
- byte = XBOOL_VECTOR (seq)->data[i / BOOL_VECTOR_BITS_PER_CHAR];
- dummy = (byte & (1 << (i % BOOL_VECTOR_BITS_PER_CHAR))) ? Qt : Qnil;
- dummy = call1 (fn, dummy);
+ dummy = call1 (fn, bool_vector_ref (seq, i));
if (vals)
vals[i] = dummy;
}
CHECK_STRING (prompt);
-#ifdef HAVE_MENUS
if ((NILP (last_nonmenu_event) || CONSP (last_nonmenu_event))
&& use_dialog_box)
{
UNGCPRO;
return obj;
}
-#endif /* HAVE_MENUS */
args[0] = prompt;
args[1] = build_string ("(yes or no) ");
{
struct Lisp_Vector *v;
ptrdiff_t i, incr, incr_max, old_size, new_size;
- ptrdiff_t C_language_max = min (PTRDIFF_MAX, SIZE_MAX) / sizeof *v->u.contents;
+ ptrdiff_t C_language_max = min (PTRDIFF_MAX, SIZE_MAX) / sizeof *v->contents;
ptrdiff_t n_max = (0 <= nitems_max && nitems_max < C_language_max
? nitems_max : C_language_max);
eassert (VECTORP (vec));
memory_full (SIZE_MAX);
new_size = old_size + incr;
v = allocate_vector (new_size);
- memcpy (v->u.contents, XVECTOR (vec)->u.contents, old_size * sizeof *v->u.contents);
+ memcpy (v->contents, XVECTOR (vec)->contents, old_size * sizeof *v->contents);
for (i = old_size; i < new_size; ++i)
- v->u.contents[i] = Qnil;
+ v->contents[i] = Qnil;
XSETVECTOR (vec, v);
return vec;
}
EMACS_UINT hash = size;
int i, n;
- n = min (SXHASH_MAX_LEN,
- ((size + BOOL_VECTOR_BITS_PER_CHAR - 1)
- / BOOL_VECTOR_BITS_PER_CHAR));
+ n = min (SXHASH_MAX_LEN, bool_vector_words (size));
for (i = 0; i < n; ++i)
- hash = sxhash_combine (hash, XBOOL_VECTOR (vec)->data[i]);
+ hash = sxhash_combine (hash, bool_vector_data (vec)[i]);
return SXHASH_REDUCE (hash);
}
DEFUN ("maphash", Fmaphash, Smaphash, 2, 2, 0,
doc: /* Call FUNCTION for all entries in hash table TABLE.
-FUNCTION is called with two arguments, KEY and VALUE. */)
+FUNCTION is called with two arguments, KEY and VALUE.
+`maphash' always returns nil. */)
(Lisp_Object function, Lisp_Object table)
{
struct Lisp_Hash_Table *h = check_hash_table (table);
HCoop / bpt / emacs.git / blobdiff