emit.c

   1 /*
   2  * Copyright 2011 Leiden University. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *
   8  *    1. Redistributions of source code must retain the above copyright
   9  *       notice, this list of conditions and the following disclaimer.
  10  *
  11  *    2. Redistributions in binary form must reproduce the above
  12  *       copyright notice, this list of conditions and the following
  13  *       disclaimer in the documentation and/or other materials provided
  14  *       with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY LEIDEN UNIVERSITY ''AS IS'' AND ANY
  17  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  19  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL LEIDEN UNIVERSITY OR
  20  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  21  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
  23  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  * The views and conclusions contained in the software and documentation
  29  * are those of the authors and should not be interpreted as
  30  * representing official policies, either expressed or implied, of
  31  * Leiden University.
  32  */
  33
  34 #include <yaml.h>
  35
  36 #include "scop.h"
  37 #include "scop_yaml.h"
  38
  39 static int emit_string(yaml_emitter_t *emitter, const char *str)
  40 {
  41         yaml_event_t event;
  42
  43         if (!yaml_scalar_event_initialize(&event, NULL, NULL,
  44                                     (yaml_char_t *) str, strlen(str),
  45                                     1, 1, YAML_PLAIN_SCALAR_STYLE))
  46                 return -1;
  47         if (!yaml_emitter_emit(emitter, &event))
  48                 return -1;
  49
  50         return 0;
  51 }
  52
  53 static int emit_int(yaml_emitter_t *emitter, int i)
  54 {
  55         char buffer[40];
  56
  57         snprintf(buffer, sizeof(buffer), "%d", i);
  58         return emit_string(emitter, buffer);
  59 }
  60
  61 static int emit_named_int(yaml_emitter_t *emitter, const char *name, int i)
  62 {
  63         if (emit_string(emitter, name) < 0)
  64                 return -1;
  65         if (emit_int(emitter, i) < 0)
  66                 return -1;
  67         return 0;
  68 }
  69
  70 static int emit_double(yaml_emitter_t *emitter, double d)
  71 {
  72         char buffer[40];
  73
  74         snprintf(buffer, sizeof(buffer), "%g", d);
  75         return emit_string(emitter, buffer);
  76 }
  77
  78 static int emit_map(yaml_emitter_t *emitter, __isl_keep isl_map *map)
  79 {
  80         isl_ctx *ctx = isl_map_get_ctx(map);
  81         isl_printer *p;
  82         char *str;
  83         int r;
  84
  85         p = isl_printer_to_str(ctx);
  86         p = isl_printer_print_map(p, map);
  87         str = isl_printer_get_str(p);
  88         isl_printer_free(p);
  89         r = emit_string(emitter, str);
  90         free(str);
  91         return r;
  92 }
  93
  94 static int emit_set(yaml_emitter_t *emitter, __isl_keep isl_set *set)
  95 {
  96         isl_ctx *ctx = isl_set_get_ctx(set);
  97         isl_printer *p;
  98         char *str;
  99         int r;
 100
 101         p = isl_printer_to_str(ctx);
 102         p = isl_printer_print_set(p, set);
 103         str = isl_printer_get_str(p);
 104         isl_printer_free(p);
 105         r = emit_string(emitter, str);
 106         free(str);
 107         return r;
 108 }
 109
 110 static int emit_named_set(yaml_emitter_t *emitter, const char *name,
 111         __isl_keep isl_set *set)
 112 {
 113         if (emit_string(emitter, name) < 0)
 114                 return -1;
 115         if (emit_set(emitter, set) < 0)
 116                 return -1;
 117         return 0;
 118 }
 119
 120 static int emit_array(yaml_emitter_t *emitter, struct pet_array *array)
 121 {
 122         yaml_event_t event;
 123
 124         if (!yaml_mapping_start_event_initialize(&event, NULL, NULL, 1,
 125                                                 YAML_BLOCK_MAPPING_STYLE))
 126                 return -1;
 127         if (!yaml_emitter_emit(emitter, &event))
 128                 return -1;
 129
 130         if (emit_string(emitter, "context") < 0)
 131                 return -1;
 132         if (emit_set(emitter, array->context) < 0)
 133                 return -1;
 134
 135         if (emit_string(emitter, "extent") < 0)
 136                 return -1;
 137         if (emit_set(emitter, array->extent) < 0)
 138                 return -1;
 139
 140         if (array->value_bounds) {
 141                 if (emit_string(emitter, "value_bounds") < 0)
 142                         return -1;
 143                 if (emit_set(emitter, array->value_bounds) < 0)
 144                         return -1;
 145         }
 146
 147         if (emit_string(emitter, "element_type") < 0)
 148                 return -1;
 149         if (emit_string(emitter, array->element_type) < 0)
 150                 return -1;
 151         if (emit_named_int(emitter, "element_size", array->element_size) < 0)
 152                 return -1;
 153
 154         if (array->live_out) {
 155                 if (emit_string(emitter, "live_out") < 0)
 156                         return -1;
 157                 if (emit_string(emitter, "1") < 0)
 158                         return -1;
 159         }
 160
 161         if (array->uniquely_defined) {
 162                 if (emit_string(emitter, "uniquely_defined") < 0)
 163                         return -1;
 164                 if (emit_string(emitter, "1") < 0)
 165                         return -1;
 166         }
 167
 168         if (!yaml_mapping_end_event_initialize(&event))
 169                 return -1;
 170         if (!yaml_emitter_emit(emitter, &event))
 171                 return -1;
 172
 173         return 0;
 174 }
 175
 176 static int emit_arrays(yaml_emitter_t *emitter, int n_array,
 177         struct pet_array **arrays)
 178 {
 179         int i;
 180         yaml_event_t event;
 181
 182         if (emit_string(emitter, "arrays") < 0)
 183                 return -1;
 184         if (!yaml_sequence_start_event_initialize(&event, NULL, NULL, 1,
 185                                                 YAML_BLOCK_SEQUENCE_STYLE))
 186                 return -1;
 187         if (!yaml_emitter_emit(emitter, &event))
 188                 return -1;
 189
 190         for (i = 0; i < n_array; ++i)
 191                 if (emit_array(emitter, arrays[i]) < 0)
 192                         return -1;
 193
 194         if (!yaml_sequence_end_event_initialize(&event))
 195                 return -1;
 196         if (!yaml_emitter_emit(emitter, &event))
 197                 return -1;
 198
 199         return 0;
 200 }
 201
 202 static int emit_type(yaml_emitter_t *emitter, enum pet_expr_type type)
 203 {
 204         if (emit_string(emitter, pet_type_str(type)) < 0)
 205                 return -1;
 206         return 0;
 207 }
 208
 209 static int emit_expr(yaml_emitter_t *emitter, struct pet_expr *expr)
 210 {
 211         yaml_event_t event;
 212
 213         if (!yaml_mapping_start_event_initialize(&event, NULL, NULL, 1,
 214                                                 YAML_BLOCK_MAPPING_STYLE))
 215                 return -1;
 216         if (!yaml_emitter_emit(emitter, &event))
 217                 return -1;
 218
 219         if (emit_string(emitter, "type") < 0)
 220                 return -1;
 221         if (emit_type(emitter, expr->type) < 0)
 222                 return -1;
 223
 224         switch (expr->type) {
 225         case pet_expr_double:
 226                 if (emit_string(emitter, "value") < 0)
 227                         return -1;
 228                 if (emit_double(emitter, expr->d) < 0)
 229                         return -1;
 230                 break;
 231         case pet_expr_access:
 232                 if (emit_string(emitter, "relation") < 0)
 233                         return -1;
 234                 if (emit_map(emitter, expr->acc.access) < 0)
 235                         return -1;
 236                 if (emit_string(emitter, "read") < 0)
 237                         return -1;
 238                 if (emit_int(emitter, expr->acc.read) < 0)
 239                         return -1;
 240                 if (emit_string(emitter, "write") < 0)
 241                         return -1;
 242                 if (emit_int(emitter, expr->acc.write) < 0)
 243                         return -1;
 244                 break;
 245         case pet_expr_unary:
 246         case pet_expr_binary:
 247                 if (emit_string(emitter, "operation") < 0)
 248                         return -1;
 249                 if (emit_string(emitter, pet_op_str(expr->op)) < 0)
 250                         return -1;
 251                 break;
 252         case pet_expr_ternary:
 253                 break;
 254         case pet_expr_call:
 255                 if (emit_string(emitter, "name") < 0)
 256                         return -1;
 257                 if (emit_string(emitter, expr->name) < 0)
 258                         return -1;
 259                 break;
 260         }
 261
 262         if (expr->n_arg > 0) {
 263                 int i;
 264
 265                 if (emit_string(emitter, "arguments") < 0)
 266                         return -1;
 267                 if (!yaml_sequence_start_event_initialize(&event, NULL, NULL, 1,
 268                                                     YAML_BLOCK_SEQUENCE_STYLE))
 269                         return -1;
 270                 if (!yaml_emitter_emit(emitter, &event))
 271                         return -1;
 272
 273                 for (i = 0; i < expr->n_arg; ++i)
 274                         if (emit_expr(emitter, expr->args[i]) < 0)
 275                                 return -1;
 276
 277                 if (!yaml_sequence_end_event_initialize(&event))
 278                         return -1;
 279                 if (!yaml_emitter_emit(emitter, &event))
 280                         return -1;
 281         }
 282
 283         if (!yaml_mapping_end_event_initialize(&event))
 284                 return -1;
 285         if (!yaml_emitter_emit(emitter, &event))
 286                 return -1;
 287
 288         return 0;
 289 }
 290
 291 static int emit_stmt(yaml_emitter_t *emitter, struct pet_stmt *stmt)
 292 {
 293         yaml_event_t event;
 294
 295         if (!yaml_mapping_start_event_initialize(&event, NULL, NULL, 1,
 296                                                 YAML_BLOCK_MAPPING_STYLE))
 297                 return -1;
 298         if (!yaml_emitter_emit(emitter, &event))
 299                 return -1;
 300
 301         if (emit_string(emitter, "line") < 0)
 302                 return -1;
 303         if (emit_int(emitter, stmt->line) < 0)
 304                 return -1;
 305
 306         if (emit_string(emitter, "domain") < 0)
 307                 return -1;
 308         if (emit_set(emitter, stmt->domain) < 0)
 309                 return -1;
 310
 311         if (emit_string(emitter, "schedule") < 0)
 312                 return -1;
 313         if (emit_map(emitter, stmt->schedule) < 0)
 314                 return -1;
 315
 316         if (emit_string(emitter, "body") < 0)
 317                 return -1;
 318         if (emit_expr(emitter, stmt->body) < 0)
 319                 return -1;
 320
 321         if (stmt->n_arg > 0) {
 322                 int i;
 323
 324                 if (emit_string(emitter, "arguments") < 0)
 325                         return -1;
 326                 if (!yaml_sequence_start_event_initialize(&event, NULL, NULL, 1,
 327                                                     YAML_BLOCK_SEQUENCE_STYLE))
 328                         return -1;
 329                 if (!yaml_emitter_emit(emitter, &event))
 330                         return -1;
 331
 332                 for (i = 0; i < stmt->n_arg; ++i)
 333                         if (emit_expr(emitter, stmt->args[i]) < 0)
 334                                 return -1;
 335
 336                 if (!yaml_sequence_end_event_initialize(&event))
 337                         return -1;
 338                 if (!yaml_emitter_emit(emitter, &event))
 339                         return -1;
 340         }
 341
 342         if (!yaml_mapping_end_event_initialize(&event))
 343                 return -1;
 344         if (!yaml_emitter_emit(emitter, &event))
 345                 return -1;
 346
 347         return 0;
 348 }
 349
 350 static int emit_statements(yaml_emitter_t *emitter, int n_stmt,
 351         struct pet_stmt **stmts)
 352 {
 353         int i;
 354         yaml_event_t event;
 355
 356         if (emit_string(emitter, "statements") < 0)
 357                 return -1;
 358         if (!yaml_sequence_start_event_initialize(&event, NULL, NULL, 1,
 359                                                 YAML_BLOCK_SEQUENCE_STYLE))
 360                 return -1;
 361         if (!yaml_emitter_emit(emitter, &event))
 362                 return -1;
 363
 364         for (i = 0; i < n_stmt; ++i)
 365                 if (emit_stmt(emitter, stmts[i]) < 0)
 366                         return -1;
 367
 368         if (!yaml_sequence_end_event_initialize(&event))
 369                 return -1;
 370         if (!yaml_emitter_emit(emitter, &event))
 371                 return -1;
 372
 373         return 0;
 374 }
 375
 376 static int emit_scop(yaml_emitter_t *emitter, struct pet_scop *scop)
 377 {
 378         yaml_event_t event;
 379
 380         if (!yaml_mapping_start_event_initialize(&event, NULL, NULL, 1,
 381                                                 YAML_BLOCK_MAPPING_STYLE))
 382                 return -1;
 383         if (!yaml_emitter_emit(emitter, &event))
 384                 return -1;
 385
 386         if (emit_string(emitter, "context") < 0)
 387                 return -1;
 388         if (emit_set(emitter, scop->context) < 0)
 389                 return -1;
 390         if (!isl_set_plain_is_universe(scop->context_value) &&
 391             emit_named_set(emitter, "context_value", scop->context_value) < 0)
 392                 return -1;
 393
 394         if (emit_arrays(emitter, scop->n_array, scop->arrays) < 0)
 395                 return -1;
 396
 397         if (emit_statements(emitter, scop->n_stmt, scop->stmts) < 0)
 398                 return -1;
 399
 400         if (!yaml_mapping_end_event_initialize(&event))
 401                 return -1;
 402         if (!yaml_emitter_emit(emitter, &event))
 403                 return -1;
 404
 405         return 0;
 406 }
 407
 408 /* Print a YAML serialization of "scop" to "out".
 409  */
 410 int pet_scop_emit(FILE *out, struct pet_scop *scop)
 411 {
 412         yaml_emitter_t emitter;
 413         yaml_event_t event;
 414
 415         yaml_emitter_initialize(&emitter);
 416
 417         yaml_emitter_set_output_file(&emitter, out);
 418
 419         yaml_stream_start_event_initialize(&event, YAML_UTF8_ENCODING);
 420         if (!yaml_emitter_emit(&emitter, &event))
 421                 goto error;
 422
 423         if (!yaml_document_start_event_initialize(&event, NULL, NULL, NULL, 1))
 424                 goto error;
 425         if (!yaml_emitter_emit(&emitter, &event))
 426                 goto error;
 427
 428         if (emit_scop(&emitter, scop) < 0)
 429                 goto error;
 430
 431         if (!yaml_document_end_event_initialize(&event, 1))
 432                 goto error;
 433         if (!yaml_emitter_emit(&emitter, &event))
 434                 goto error;
 435
 436         yaml_stream_end_event_initialize(&event);
 437         if (!yaml_emitter_emit(&emitter, &event))
 438                 goto error;
 439
 440         yaml_emitter_delete(&emitter);
 441         return 0;
 442 error:
 443         yaml_emitter_delete(&emitter);
 444         return -1;
 445 }