isl_list_templ.c

   1 /*
   2  * Copyright 2008-2009 Katholieke Universiteit Leuven
   3  * Copyright 2011      INRIA Saclay
   4  *
   5  * Use of this software is governed by the GNU LGPLv2.1 license
   6  *
   7  * Written by Sven Verdoolaege, K.U.Leuven, Departement
   8  * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
   9  * and INRIA Saclay - Ile-de-France, Parc Club Orsay Universite,
  10  * ZAC des vignes, 4 rue Jacques Monod, 91893 Orsay, France
  11  */
  12
  13 #define xCAT(A,B) A ## B
  14 #define CAT(A,B) xCAT(A,B)
  15 #undef EL
  16 #define EL CAT(isl_,BASE)
  17 #define xFN(TYPE,NAME) TYPE ## _ ## NAME
  18 #define FN(TYPE,NAME) xFN(TYPE,NAME)
  19 #define xLIST(EL) EL ## _list
  20 #define LIST(EL) xLIST(EL)
  21
  22 isl_ctx *FN(LIST(EL),get_ctx)(__isl_keep LIST(EL) *list)
  23 {
  24         return list ? list->ctx : NULL;
  25 }
  26
  27 __isl_give LIST(EL) *FN(LIST(EL),alloc)(isl_ctx *ctx, int n)
  28 {
  29         LIST(EL) *list;
  30
  31         if (n < 0)
  32                 isl_die(ctx, isl_error_invalid,
  33                         "cannot create list of negative length",
  34                         return NULL);
  35         list = isl_alloc(ctx, LIST(EL),
  36                          sizeof(LIST(EL)) + (n - 1) * sizeof(struct EL *));
  37         if (!list)
  38                 return NULL;
  39
  40         list->ctx = ctx;
  41         isl_ctx_ref(ctx);
  42         list->ref = 1;
  43         list->size = n;
  44         list->n = 0;
  45         return list;
  46 }
  47
  48 __isl_give LIST(EL) *FN(LIST(EL),copy)(__isl_keep LIST(EL) *list)
  49 {
  50         if (!list)
  51                 return NULL;
  52
  53         list->ref++;
  54         return list;
  55 }
  56
  57 __isl_give LIST(EL) *FN(LIST(EL),dup)(__isl_keep LIST(EL) *list)
  58 {
  59         int i;
  60         LIST(EL) *dup;
  61
  62         if (!list)
  63                 return NULL;
  64
  65         dup = FN(LIST(EL),alloc)(FN(LIST(EL),get_ctx)(list), list->n);
  66         if (!dup)
  67                 return NULL;
  68         for (i = 0; i < list->n; ++i)
  69                 dup = FN(LIST(EL),add)(dup, FN(EL,copy)(list->p[i]));
  70         return dup;
  71 }
  72
  73 __isl_give LIST(EL) *FN(LIST(EL),cow)(__isl_take LIST(EL) *list)
  74 {
  75         if (!list)
  76                 return NULL;
  77
  78         if (list->ref == 1)
  79                 return list;
  80         list->ref--;
  81         return FN(LIST(EL),dup)(list);
  82 }
  83
  84 __isl_give LIST(EL) *FN(LIST(EL),add)(__isl_take LIST(EL) *list,
  85         __isl_take struct EL *el)
  86 {
  87         if (!list || !el)
  88                 goto error;
  89         isl_assert(list->ctx, list->n < list->size, goto error);
  90         list->p[list->n] = el;
  91         list->n++;
  92         return list;
  93 error:
  94         FN(EL,free)(el);
  95         FN(LIST(EL),free)(list);
  96         return NULL;
  97 }
  98
  99 void *FN(LIST(EL),free)(__isl_take LIST(EL) *list)
 100 {
 101         int i;
 102
 103         if (!list)
 104                 return NULL;
 105
 106         if (--list->ref > 0)
 107                 return NULL;
 108
 109         isl_ctx_deref(list->ctx);
 110         for (i = 0; i < list->n; ++i)
 111                 FN(EL,free)(list->p[i]);
 112         free(list);
 113
 114         return NULL;
 115 }
 116
 117 int FN(FN(LIST(EL),n),BASE)(__isl_keep LIST(EL) *list)
 118 {
 119         return list ? list->n : 0;
 120 }
 121
 122 __isl_give EL *FN(FN(LIST(EL),get),BASE)(__isl_keep LIST(EL) *list, int index)
 123 {
 124         if (!list)
 125                 return NULL;
 126         if (index < 0 || index >= list->n)
 127                 isl_die(list->ctx, isl_error_invalid,
 128                         "index out of bounds", return NULL);
 129         return FN(EL,copy)(list->p[index]);
 130 }
 131
 132 /* Replace the element at position "index" in "list" by "el".
 133  */
 134 __isl_give LIST(EL) *FN(FN(LIST(EL),set),BASE)(__isl_take LIST(EL) *list,
 135         int index, __isl_take EL *el)
 136 {
 137         if (!list || !el)
 138                 goto error;
 139         if (index < 0 || index >= list->n)
 140                 isl_die(list->ctx, isl_error_invalid,
 141                         "index out of bounds", goto error);
 142         if (list->p[index] == el) {
 143                 FN(EL,free)(el);
 144                 return list;
 145         }
 146         list = FN(LIST(EL),cow)(list);
 147         if (!list)
 148                 goto error;
 149         FN(EL,free)(list->p[index]);
 150         list->p[index] = el;
 151         return list;
 152 error:
 153         FN(EL,free)(el);
 154         FN(LIST(EL),free)(list);
 155         return NULL;
 156 }
 157
 158 int FN(LIST(EL),foreach)(__isl_keep LIST(EL) *list,
 159         int (*fn)(__isl_take EL *el, void *user), void *user)
 160 {
 161         int i;
 162
 163         if (!list)
 164                 return -1;
 165
 166         for (i = 0; i < list->n; ++i) {
 167                 EL *el = FN(EL,copy(list->p[i]));
 168                 if (!el)
 169                         return -1;
 170                 if (fn(el, user) < 0)
 171                         return -1;
 172         }
 173
 174         return 0;
 175 }
 176
 177 __isl_give LIST(EL) *FN(FN(LIST(EL),from),BASE)(__isl_take EL *el)
 178 {
 179         isl_ctx *ctx;
 180         LIST(EL) *list;
 181
 182         if (!el)
 183                 return NULL;
 184         ctx = FN(EL,get_ctx)(el);
 185         list = FN(LIST(EL),alloc)(ctx, 1);
 186         if (!list)
 187                 goto error;
 188         list = FN(LIST(EL),add)(list, el);
 189         return list;
 190 error:
 191         FN(EL,free)(el);
 192         return NULL;
 193 }
 194
 195 __isl_give LIST(EL) *FN(LIST(EL),concat)(__isl_take LIST(EL) *list1,
 196         __isl_take LIST(EL) *list2)
 197 {
 198         int i;
 199         isl_ctx *ctx;
 200         LIST(EL) *res;
 201
 202         if (!list1 || !list2)
 203                 goto error;
 204
 205         ctx = FN(LIST(EL),get_ctx)(list1);
 206         res = FN(LIST(EL),alloc)(ctx, list1->n + list2->n);
 207         for (i = 0; i < list1->n; ++i)
 208                 res = FN(LIST(EL),add)(res, FN(EL,copy)(list1->p[i]));
 209         for (i = 0; i < list2->n; ++i)
 210                 res = FN(LIST(EL),add)(res, FN(EL,copy)(list2->p[i]));
 211
 212         FN(LIST(EL),free)(list1);
 213         FN(LIST(EL),free)(list2);
 214         return res;
 215 error:
 216         FN(LIST(EL),free)(list1);
 217         FN(LIST(EL),free)(list2);
 218         return NULL;
 219 }
 220
 221 __isl_give isl_printer *CAT(isl_printer_print_,LIST(BASE))(
 222         __isl_take isl_printer *p, __isl_keep LIST(EL) *list)
 223 {
 224         int i;
 225
 226         if (!p || !list)
 227                 goto error;
 228         p = isl_printer_print_str(p, "(");
 229         for (i = 0; i < list->n; ++i) {
 230                 if (i)
 231                         p = isl_printer_print_str(p, ",");
 232                 p = CAT(isl_printer_print_,BASE)(p, list->p[i]);
 233         }
 234         p = isl_printer_print_str(p, ")");
 235         return p;
 236 error:
 237         isl_printer_free(p);
 238         return NULL;
 239 }
 240
 241 void FN(LIST(EL),dump)(__isl_keep LIST(EL) *list)
 242 {
 243         isl_printer *printer;
 244
 245         if (!list)
 246                 return;
 247
 248         printer = isl_printer_to_file(FN(LIST(EL),get_ctx)(list), stderr);
 249         printer = CAT(isl_printer_print_,LIST(BASE))(printer, list);
 250         printer = isl_printer_end_line(printer);
 251
 252         isl_printer_free(printer);
 253 }