795225ec29
* src/eval-apply.c (expand_variable_, apply_builtin): Declare variables at toplevel. * src/gc.c (gc_cellcpy, gc_loop, gc_dump_arena): Likewise. * src/hash.c (hash_table_printer): Likewise. * src/lib.c (equal2_p): Likewise. * src/math.c (greater_p, less_p, is_p, minus, plus, divide, multiply, logand, logior, logxor): Likewise. * src/posix.c (current_input_port, execl_): Likewise. * src/reader.c (reader_read_string): Likewise. * src/stack.c (make_stack): Likewise. * src/string.c (list_to_cstring, bytes_to_list, string_append): Likewise. * src/struct.c (make_struct): Likewise. * src/vector.c (vector_to_list): Likewise.
140 lines
3.2 KiB
C
140 lines
3.2 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2016,2017,2018,2019,2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of GNU Mes.
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*
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* GNU Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* GNU Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "mes/lib.h"
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#include "mes/mes.h"
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#if __M2_PLANET__
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#define M2_CELL_SIZE 12
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// CONSTANT M2_CELL_SIZE 12
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#else
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#define M2_CELL_SIZE 1
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// CONSTANT M2_CELL_SIZE 12
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#endif
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struct scm *
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make_vector_ (long k, struct scm *e)
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{
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struct scm *x = alloc (1);
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struct scm *v = alloc (k);
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x->type = TVECTOR;
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x->length = k;
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x->vector = v;
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long i;
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for (i = 0; i < k; i = i + 1)
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copy_cell (cell_ref (v, i), vector_entry (e));
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return x;
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}
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struct scm *
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make_vector (struct scm *x) /*:((arity . n)) */
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{
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struct scm *k = x->car;
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assert_number ("make-vector", k);
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long n = k->value;
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struct scm *e = cell_unspecified;
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if (x->cdr != cell_nil)
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e = x->cdr->car;
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return make_vector_ (n, e);
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}
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struct scm *
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vector_length (struct scm *x)
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{
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assert_msg (x->type == TVECTOR, "x->type == TVECTOR");
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return make_number (x->length);
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}
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struct scm *
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vector_ref_ (struct scm *x, long i)
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{
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assert_msg (x->type == TVECTOR, "x->type == TVECTOR");
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assert_msg (i < x->length, "i < x->length");
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struct scm *e = cell_ref (x->vector, i);
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if (e->type == TREF)
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e = e->ref;
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if (e->type == TCHAR)
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e = make_char (e->value);
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if (e->type == TNUMBER)
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e = make_number (e->value);
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return e;
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}
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struct scm *
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vector_ref (struct scm *x, struct scm *i)
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{
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return vector_ref_ (x, i->value);
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}
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struct scm *
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vector_entry (struct scm *x)
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{
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if (x->type != TCHAR && x->type != TNUMBER)
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x = make_ref (x);
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return x;
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}
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struct scm *
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vector_set_x_ (struct scm *x, long i, struct scm *e)
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{
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assert_msg (x->type == TVECTOR, "x->type == TVECTOR");
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assert_msg (i < x->length, "i < x->length");
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copy_cell (cell_ref (x->vector, i), vector_entry (e));
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return cell_unspecified;
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}
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struct scm *
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vector_set_x (struct scm *x, struct scm *i, struct scm *e)
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{
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return vector_set_x_ (x, i->value, e);
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}
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struct scm *
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list_to_vector (struct scm *x)
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{
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struct scm *v = make_vector_ (length__ (x), cell_unspecified);
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struct scm *p = v->vector;
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while (x != cell_nil)
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{
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copy_cell (p, vector_entry (car (x)));
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p = p + M2_CELL_SIZE;
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x = cdr (x);
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}
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return v;
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}
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struct scm *
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vector_to_list (struct scm *v)
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{
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struct scm *x = cell_nil;
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long i;
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struct scm *e;
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for (i = v->length; i; i = i - 1)
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{
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e = cell_ref (v->vector, i - 1);
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if (e->type == TREF)
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e = e->ref;
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x = cons (e, x);
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}
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return x;
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}
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