gcc/f/type.c

   1 /* Implementation of Fortran type abstraction
   2    Copyright (C) 1995 Free Software Foundation, Inc.
   3    Contributed by James Craig Burley.
   4
   5 This file is part of GNU Fortran.
   6
   7 GNU Fortran is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 GNU Fortran is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU Fortran; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  20 02111-1307, USA.  */
  21
  22 #include "proj.h"
  23 #include "type.h"
  24 #include "malloc.h"
  25 \f
  26
  27 /* Look up a type given its base type and kind value.  */
  28
  29 ffetype
  30 ffetype_lookup_kind (ffetype base_type, int kind)
  31 {
  32   if ((base_type->kinds_ == NULL)
  33       || (kind < 0)
  34       || (((size_t) kind) >= ARRAY_SIZE (base_type->kinds_->type_)))
  35     return NULL;
  36
  37   return base_type->kinds_->type_[kind];
  38 }
  39
  40 ffetype
  41 ffetype_lookup_star (ffetype base_type, int star)
  42 {
  43   if ((base_type->stars_ == NULL)
  44       || (star < 0)
  45       || (((size_t) star) >= ARRAY_SIZE (base_type->stars_->type_)))
  46     return NULL;
  47
  48   return base_type->stars_->type_[star];
  49 }
  50
  51 ffetype
  52 ffetype_new (void)
  53 {
  54   ffetype type;
  55
  56   type = (ffetype) malloc_new_kp (malloc_pool_image (), "ffetype",
  57                                     sizeof (*type));
  58   type->kinds_ = NULL;
  59   type->stars_ = NULL;
  60   type->alignment_ = 0;
  61   type->modulo_ = 0;
  62   type->size_ = 0;
  63
  64   return type;
  65 }
  66
  67 void
  68 ffetype_set_kind (ffetype base_type, int kind, ffetype type)
  69 {
  70   assert (kind < (int) sizeof (*(base_type->kinds_)));
  71
  72   if (base_type->kinds_ == NULL)
  73     {
  74       int i;
  75
  76       base_type->kinds_
  77         = (ffetype_indexes_) malloc_new_kp (malloc_pool_image (),
  78                                             "ffetype_indexes_[kinds]",
  79                                             sizeof (*(base_type->kinds_)));
  80       for (i = 0; ((size_t) i) < ARRAY_SIZE (base_type->kinds_->type_); ++i)
  81         base_type->kinds_->type_[i] = NULL;
  82     }
  83
  84   assert (base_type->kinds_->type_[kind] == NULL);
  85
  86   base_type->kinds_->type_[kind] = type;
  87 }
  88
  89 void
  90 ffetype_set_star (ffetype base_type, int star, ffetype type)
  91 {
  92   if (base_type->stars_ == NULL)
  93     {
  94       int i;
  95
  96       base_type->stars_
  97         = (ffetype_indexes_) malloc_new_kp (malloc_pool_image (),
  98                                             "ffetype_indexes_[stars]",
  99                                             sizeof (*(base_type->stars_)));
 100       for (i = 0; ((size_t) i) < ARRAY_SIZE (base_type->stars_->type_); ++i)
 101         base_type->stars_->type_[i] = NULL;
 102     }
 103
 104   assert (base_type->stars_->type_[star] == NULL);
 105
 106   base_type->stars_->type_[star] = type;
 107 }