src/lslOpList.c

   1 /*
   2 ** Splint - annotation-assisted static program checker
   3 ** Copyright (C) 1994-2003 University of Virginia,
   4 **         Massachusetts Institute of Technology
   5 **
   6 ** This program is free software; you can redistribute it and/or modify it
   7 ** under the terms of the GNU General Public License as published by the
   8 ** Free Software Foundation; either version 2 of the License, or (at your
   9 ** option) any later version.
  10 **
  11 ** This program is distributed in the hope that it will be useful, but
  12 ** WITHOUT ANY WARRANTY; without even the implied warranty of
  13 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 ** General Public License for more details.
  15 **
  16 ** The GNU General Public License is available from http://www.gnu.org/ or
  17 ** the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  18 ** MA 02111-1307, USA.
  19 **
  20 ** For information on splint: info@splint.org
  21 ** To report a bug: splint-bug@splint.org
  22 ** For more information: http://www.splint.org
  23 */
  24 /*
  25 ** lslOpList.c
  26 **
  27 ** based on list_template.c
  28 **
  29 ** where T has T_equal (or change this) and T_unparse
  30 */
  31
  32 # include "splintMacros.nf"
  33 # include "basic.h"
  34
  35 /*@constant int lslOpListBASESIZE;@*/
  36 # define lslOpListBASESIZE SMALLBASESIZE
  37
  38 /*@only@*/ lslOpList
  39 lslOpList_new (void)
  40 {
  41   lslOpList s = (lslOpList) dmalloc (sizeof (*s));
  42
  43   s->nelements = 0;
  44   s->nspace = lslOpListBASESIZE;
  45   s->elements = (lslOp *)
  46     dmalloc (sizeof (*s->elements) * lslOpListBASESIZE);
  47
  48   return (s);
  49 }
  50
  51 static void
  52 lslOpList_grow (lslOpList s)
  53 {
  54   int i;
  55   lslOp *newelements;
  56
  57   s->nspace += lslOpListBASESIZE;
  58
  59   newelements = (lslOp *) dmalloc (sizeof (*newelements)
  60                                          * (s->nelements + s->nspace));
  61
  62   if (newelements == (lslOp *) 0)
  63     {
  64       llfatalerror (cstring_makeLiteral ("lslOpList_grow: out of memory!"));
  65     }
  66
  67   for (i = 0; i < s->nelements; i++)
  68     {
  69       newelements[i] = s->elements[i];
  70     }
  71
  72   sfree (s->elements);
  73   s->elements = newelements;
  74 }
  75
  76 void
  77 lslOpList_add (lslOpList s, lslOp el)
  78 {
  79   llassert (lslOpListBASESIZE != 0);
  80
  81   if (s->nspace <= 0)
  82     {
  83       lslOpList_grow (s);
  84     }
  85
  86   s->nspace--;
  87   s->elements[s->nelements] = el;
  88   s->nelements++;
  89 }
  90
  91 # ifdef DEADCODE
  92 /*@only@*/ cstring
  93 lslOpList_unparse (lslOpList s)
  94 {
  95   int i;
  96   cstring st = cstring_undefined;
  97
  98   for (i = 0; i < s->nelements; i++)
  99     {
 100       st = message ("%q%q\n", st, lslOp_unparse (s->elements[i]));
 101     }
 102
 103   return st;
 104 }
 105 # endif /* DEADCODE */
 106
 107 void
 108 lslOpList_free (lslOpList s)
 109 {
 110   sfree (s->elements);
 111   sfree (s);
 112 }