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guile/libguile/vectors.c
Dirk Herrmann dee01b012c * Removed deprecated stuff.
* Some more renamings to SCM_<filename>_H.
2001-08-31 12:13:50 +00:00

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/* Copyright (C) 1995,1996,1998,1999,2000,2001 Free Software Foundation, Inc.
*
* This program 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 2, or (at your option)
* any later version.
*
* This program 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 this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*
* As a special exception, the Free Software Foundation gives permission
* for additional uses of the text contained in its release of GUILE.
*
* The exception is that, if you link the GUILE library with other files
* to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the GUILE library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the
* Free Software Foundation under the name GUILE. If you copy
* code from other Free Software Foundation releases into a copy of
* GUILE, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for GUILE, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice. */
#include "libguile/_scm.h"
#include "libguile/eq.h"
#include "libguile/root.h"
#include "libguile/strings.h"
#include "libguile/validate.h"
#include "libguile/vectors.h"
#include "libguile/unif.h"
SCM_DEFINE (scm_vector_p, "vector?", 1, 0, 0,
(SCM obj),
"Return @code{#t} if @var{obj} is a vector, otherwise return\n"
"@code{#f}.")
#define FUNC_NAME s_scm_vector_p
{
return SCM_BOOL (SCM_VECTORP (obj));
}
#undef FUNC_NAME
SCM_GPROC (s_vector_length, "vector-length", 1, 0, 0, scm_vector_length, g_vector_length);
/* Returns the number of elements in @var{vector} as an exact integer. */
SCM
scm_vector_length (SCM v)
{
SCM_GASSERT1 (SCM_VECTORP(v),
g_vector_length, v, SCM_ARG1, s_vector_length);
return SCM_MAKINUM (SCM_VECTOR_LENGTH (v));
}
SCM_REGISTER_PROC (s_list_to_vector, "list->vector", 1, 0, 0, scm_vector);
/*
"Return a newly created vector initialized to the elements of"
"the list @var{list}.\n\n"
"@lisp\n"
"(vector->list '#(dah dah didah)) @result{} (dah dah didah)\n"
"(list->vector '(dididit dah)) @result{} #(dididit dah)\n"
"@end lisp")
*/
SCM_DEFINE (scm_vector, "vector", 0, 0, 1,
(SCM l),
"@deffnx primitive list->vector l\n"
"Return a newly allocated vector whose elements contain the\n"
"given arguments. Analogous to @code{list}.\n"
"\n"
"@lisp\n"
"(vector 'a 'b 'c) @result{} #(a b c)\n"
"@end lisp")
#define FUNC_NAME s_scm_vector
{
SCM res;
SCM *data;
long i;
/* Dirk:FIXME:: In case of multiple threads, the list might get corrupted
while the vector is being created. */
SCM_VALIDATE_LIST_COPYLEN (1, l, i);
res = scm_c_make_vector (i, SCM_UNSPECIFIED);
data = SCM_VELTS (res);
while (!SCM_NULLP (l))
{
*data++ = SCM_CAR (l);
l = SCM_CDR (l);
}
return res;
}
#undef FUNC_NAME
SCM_GPROC (s_vector_ref, "vector-ref", 2, 0, 0, scm_vector_ref, g_vector_ref);
/*
"@var{k} must be a valid index of @var{vector}.\n"
"@samp{Vector-ref} returns the contents of element @var{k} of\n"
"@var{vector}.\n\n"
"@lisp\n"
"(vector-ref '#(1 1 2 3 5 8 13 21) 5) @result{} 8\n"
"(vector-ref '#(1 1 2 3 5 8 13 21)\n"
" (let ((i (round (* 2 (acos -1)))))\n"
" (if (inexact? i)\n"
" (inexact->exact i)\n"
" i))) @result{} 13\n"
"@end lisp"
*/
SCM
scm_vector_ref (SCM v, SCM k)
#define FUNC_NAME s_vector_ref
{
SCM_GASSERT2 (SCM_VECTORP (v),
g_vector_ref, v, k, SCM_ARG1, s_vector_ref);
SCM_GASSERT2 (SCM_INUMP (k),
g_vector_ref, v, k, SCM_ARG2, s_vector_ref);
SCM_ASSERT_RANGE (2, k, SCM_INUM (k) < SCM_VECTOR_LENGTH (v) && SCM_INUM (k) >= 0);
return SCM_VELTS (v)[(long) SCM_INUM (k)];
}
#undef FUNC_NAME
SCM_GPROC (s_vector_set_x, "vector-set!", 3, 0, 0, scm_vector_set_x, g_vector_set_x);
/* "@var{k} must be a valid index of @var{vector}.\n"
"@code{Vector-set!} stores @var{obj} in element @var{k} of @var{vector}.\n"
"The value returned by @samp{vector-set!} is unspecified.\n"
"@lisp\n"
"(let ((vec (vector 0 '(2 2 2 2) "Anna")))\n"
" (vector-set! vec 1 '("Sue" "Sue"))\n"
" vec) @result{} #(0 ("Sue" "Sue") "Anna")\n"
"(vector-set! '#(0 1 2) 1 "doe") @result{} @emph{error} ; constant vector\n"
"@end lisp"
*/
SCM
scm_vector_set_x (SCM v, SCM k, SCM obj)
#define FUNC_NAME s_vector_set_x
{
SCM_GASSERTn (SCM_VECTORP (v),
g_vector_set_x, scm_list_3 (v, k, obj),
SCM_ARG1, s_vector_set_x);
SCM_GASSERTn (SCM_INUMP (k),
g_vector_set_x, scm_list_3 (v, k, obj),
SCM_ARG2, s_vector_set_x);
SCM_ASSERT_RANGE (2, k, SCM_INUM (k) < SCM_VECTOR_LENGTH (v) && SCM_INUM (k) >= 0);
SCM_VELTS(v)[(long) SCM_INUM(k)] = obj;
return SCM_UNSPECIFIED;
}
#undef FUNC_NAME
SCM_DEFINE (scm_make_vector, "make-vector", 1, 1, 0,
(SCM k, SCM fill),
"Return a newly allocated vector of @var{k} elements. If a\n"
"second argument is given, then each element is initialized to\n"
"@var{fill}. Otherwise the initial contents of each element is\n"
"unspecified.")
#define FUNC_NAME s_scm_make_vector
{
if (SCM_UNBNDP (fill))
fill = SCM_UNSPECIFIED;
if (SCM_INUMP (k))
{
SCM_ASSERT_RANGE (1, k, SCM_INUM (k) >= 0);
return scm_c_make_vector (SCM_INUM (k), fill);
}
else if (SCM_BIGP (k))
SCM_OUT_OF_RANGE (1, k);
else
SCM_WRONG_TYPE_ARG (1, k);
}
#undef FUNC_NAME
SCM
scm_c_make_vector (unsigned long int k, SCM fill)
#define FUNC_NAME s_scm_make_vector
{
SCM v;
scm_t_bits *base;
if (k > 0)
{
unsigned long int j;
SCM_ASSERT_RANGE (1, scm_ulong2num (k), k <= SCM_VECTOR_MAX_LENGTH);
base = scm_must_malloc (k * sizeof (scm_t_bits), FUNC_NAME);
for (j = 0; j != k; ++j)
base[j] = SCM_UNPACK (fill);
}
else
base = NULL;
SCM_NEWCELL (v);
SCM_SET_VECTOR_BASE (v, base);
SCM_SET_VECTOR_LENGTH (v, k, scm_tc7_vector);
scm_remember_upto_here_1 (fill);
return v;
}
#undef FUNC_NAME
SCM_DEFINE (scm_vector_to_list, "vector->list", 1, 0, 0,
(SCM v),
"Return a newly allocated list of the objects contained in the\n"
"elements of @var{vector}.\n"
"\n"
"@lisp\n"
"(vector->list '#(dah dah didah)) @result{} (dah dah didah)\n"
"(list->vector '(dididit dah)) @result{} #(dididit dah)\n"
"@end lisp")
#define FUNC_NAME s_scm_vector_to_list
{
SCM res = SCM_EOL;
long i;
SCM *data;
SCM_VALIDATE_VECTOR (1,v);
data = SCM_VELTS(v);
for(i = SCM_VECTOR_LENGTH(v)-1;i >= 0;i--) res = scm_cons(data[i], res);
return res;
}
#undef FUNC_NAME
SCM_DEFINE (scm_vector_fill_x, "vector-fill!", 2, 0, 0,
(SCM v, SCM fill),
"Store @var{fill} in every element of @var{vector}. The value\n"
"returned by @code{vector-fill!} is unspecified.")
#define FUNC_NAME s_scm_vector_fill_x
{
register long i;
register SCM *data;
SCM_VALIDATE_VECTOR (1, v);
data = SCM_VELTS (v);
for(i = SCM_VECTOR_LENGTH (v) - 1; i >= 0; i--)
data[i] = fill;
return SCM_UNSPECIFIED;
}
#undef FUNC_NAME
SCM
scm_vector_equal_p(SCM x, SCM y)
{
long i;
for(i = SCM_VECTOR_LENGTH (x) - 1; i >= 0; i--)
if (SCM_FALSEP (scm_equal_p (SCM_VELTS (x)[i], SCM_VELTS (y)[i])))
return SCM_BOOL_F;
return SCM_BOOL_T;
}
SCM_DEFINE (scm_vector_move_left_x, "vector-move-left!", 5, 0, 0,
(SCM vec1, SCM start1, SCM end1, SCM vec2, SCM start2),
"Vector version of @code{substring-move-left!}.")
#define FUNC_NAME s_scm_vector_move_left_x
{
long i;
long j;
long e;
SCM_VALIDATE_VECTOR (1,vec1);
SCM_VALIDATE_INUM_COPY (2,start1,i);
SCM_VALIDATE_INUM_COPY (3,end1,e);
SCM_VALIDATE_VECTOR (4,vec2);
SCM_VALIDATE_INUM_COPY (5,start2,j);
SCM_ASSERT_RANGE (2, start1, i <= SCM_VECTOR_LENGTH (vec1) && i >= 0);
SCM_ASSERT_RANGE (5, start2, j <= SCM_VECTOR_LENGTH (vec2) && j >= 0);
SCM_ASSERT_RANGE (3, end1, e <= SCM_VECTOR_LENGTH (vec1) && e >= 0);
SCM_ASSERT_RANGE (5, start2, e-i+j <= SCM_VECTOR_LENGTH (vec2));
while (i<e) SCM_VELTS (vec2)[j++] = SCM_VELTS (vec1)[i++];
return SCM_UNSPECIFIED;
}
#undef FUNC_NAME
SCM_DEFINE (scm_vector_move_right_x, "vector-move-right!", 5, 0, 0,
(SCM vec1, SCM start1, SCM end1, SCM vec2, SCM start2),
"Vector version of @code{substring-move-right!}.")
#define FUNC_NAME s_scm_vector_move_right_x
{
long i;
long j;
long e;
SCM_VALIDATE_VECTOR (1,vec1);
SCM_VALIDATE_INUM_COPY (2,start1,i);
SCM_VALIDATE_INUM_COPY (3,end1,e);
SCM_VALIDATE_VECTOR (4,vec2);
SCM_VALIDATE_INUM_COPY (5,start2,j);
SCM_ASSERT_RANGE (2, start1, i <= SCM_VECTOR_LENGTH (vec1) && i >= 0);
SCM_ASSERT_RANGE (5, start2, j <= SCM_VECTOR_LENGTH (vec2) && j >= 0);
SCM_ASSERT_RANGE (3, end1, e <= SCM_VECTOR_LENGTH (vec1) && e >= 0);
j = e - i + j;
SCM_ASSERT_RANGE (5, start2, j <= SCM_VECTOR_LENGTH (vec2));
while (i < e)
SCM_VELTS (vec2)[--j] = SCM_VELTS (vec1)[--e];
return SCM_UNSPECIFIED;
}
#undef FUNC_NAME
void
scm_init_vectors ()
{
scm_nullvect = scm_c_make_vector (0, SCM_UNDEFINED);
#ifndef SCM_MAGIC_SNARFER
#include "libguile/vectors.x"
#endif
}
/*
Local Variables:
c-file-style: "gnu"
End:
*/