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 /* Print the isl_id "id" to "emitter".
  54  */
  55 static int emit_id(yaml_emitter_t *emitter, __isl_keep isl_id *id)
  56 {
  57         return emit_string(emitter, isl_id_get_name(id));
  58 }
  59
  60 /* Print the string "name" and the isl_id "id" to "emitter".
  61  */
  62 static int emit_named_id(yaml_emitter_t *emitter, const char *name,
  63         __isl_keep isl_id *id)
  64 {
  65         if (emit_string(emitter, name) < 0)
  66                 return -1;
  67         if (emit_id(emitter, id) < 0)
  68                 return -1;
  69         return 0;
  70 }
  71
  72 static int emit_int(yaml_emitter_t *emitter, int i)
  73 {
  74         char buffer[40];
  75
  76         snprintf(buffer, sizeof(buffer), "%d", i);
  77         return emit_string(emitter, buffer);
  78 }
  79
  80 static int emit_named_int(yaml_emitter_t *emitter, const char *name, int i)
  81 {
  82         if (emit_string(emitter, name) < 0)
  83                 return -1;
  84         if (emit_int(emitter, i) < 0)
  85                 return -1;
  86         return 0;
  87 }
  88
  89 /* Print the unsigned integer "u" to "emitter".
  90  */
  91 static int emit_unsigned(yaml_emitter_t *emitter, unsigned u)
  92 {
  93         char buffer[40];
  94
  95         snprintf(buffer, sizeof(buffer), "%u", u);
  96         return emit_string(emitter, buffer);
  97 }
  98
  99 /* Print the string "name" and the unsigned integer "u" to "emitter".
 100  */
 101 static int emit_named_unsigned(yaml_emitter_t *emitter, const char *name,
 102         unsigned u)
 103 {
 104         if (emit_string(emitter, name) < 0)
 105                 return -1;
 106         if (emit_int(emitter, u) < 0)
 107                 return -1;
 108         return 0;
 109 }
 110
 111 static int emit_double(yaml_emitter_t *emitter, double d)
 112 {
 113         char buffer[40];
 114
 115         snprintf(buffer, sizeof(buffer), "%g", d);
 116         return emit_string(emitter, buffer);
 117 }
 118
 119 static int emit_map(yaml_emitter_t *emitter, __isl_keep isl_map *map)
 120 {
 121         isl_ctx *ctx = isl_map_get_ctx(map);
 122         isl_printer *p;
 123         char *str;
 124         int r;
 125
 126         p = isl_printer_to_str(ctx);
 127         p = isl_printer_print_map(p, map);
 128         str = isl_printer_get_str(p);
 129         isl_printer_free(p);
 130         r = emit_string(emitter, str);
 131         free(str);
 132         return r;
 133 }
 134
 135 static int emit_set(yaml_emitter_t *emitter, __isl_keep isl_set *set)
 136 {
 137         isl_ctx *ctx = isl_set_get_ctx(set);
 138         isl_printer *p;
 139         char *str;
 140         int r;
 141
 142         p = isl_printer_to_str(ctx);
 143         p = isl_printer_print_set(p, set);
 144         str = isl_printer_get_str(p);
 145         isl_printer_free(p);
 146         r = emit_string(emitter, str);
 147         free(str);
 148         return r;
 149 }
 150
 151 static int emit_named_set(yaml_emitter_t *emitter, const char *name,
 152         __isl_keep isl_set *set)
 153 {
 154         if (emit_string(emitter, name) < 0)
 155                 return -1;
 156         if (emit_set(emitter, set) < 0)
 157                 return -1;
 158         return 0;
 159 }
 160
 161 /* Print the string "name" and the map "map" to "emitter".
 162  */
 163 static int emit_named_map(yaml_emitter_t *emitter, const char *name,
 164         __isl_keep isl_map *map)
 165 {
 166         if (emit_string(emitter, name) < 0)
 167                 return -1;
 168         if (emit_map(emitter, map) < 0)
 169                 return -1;
 170         return 0;
 171 }
 172
 173 static int emit_array(yaml_emitter_t *emitter, struct pet_array *array)
 174 {
 175         yaml_event_t event;
 176
 177         if (!yaml_mapping_start_event_initialize(&event, NULL, NULL, 1,
 178                                                 YAML_BLOCK_MAPPING_STYLE))
 179                 return -1;
 180         if (!yaml_emitter_emit(emitter, &event))
 181                 return -1;
 182
 183         if (emit_string(emitter, "context") < 0)
 184                 return -1;
 185         if (emit_set(emitter, array->context) < 0)
 186                 return -1;
 187
 188         if (emit_string(emitter, "extent") < 0)
 189                 return -1;
 190         if (emit_set(emitter, array->extent) < 0)
 191                 return -1;
 192
 193         if (array->value_bounds) {
 194                 if (emit_string(emitter, "value_bounds") < 0)
 195                         return -1;
 196                 if (emit_set(emitter, array->value_bounds) < 0)
 197                         return -1;
 198         }
 199
 200         if (emit_string(emitter, "element_type") < 0)
 201                 return -1;
 202         if (emit_string(emitter, array->element_type) < 0)
 203                 return -1;
 204         if (emit_named_int(emitter, "element_size", array->element_size) < 0)
 205                 return -1;
 206
 207         if (array->live_out) {
 208                 if (emit_string(emitter, "live_out") < 0)
 209                         return -1;
 210                 if (emit_string(emitter, "1") < 0)
 211                         return -1;
 212         }
 213
 214         if (array->uniquely_defined) {
 215                 if (emit_string(emitter, "uniquely_defined") < 0)
 216                         return -1;
 217                 if (emit_string(emitter, "1") < 0)
 218                         return -1;
 219         }
 220
 221         if (array->declared && emit_named_int(emitter, "declared", 1) < 0)
 222                 return -1;
 223         if (array->exposed && emit_named_int(emitter, "exposed", 1) < 0)
 224                 return -1;
 225
 226         if (!yaml_mapping_end_event_initialize(&event))
 227                 return -1;
 228         if (!yaml_emitter_emit(emitter, &event))
 229                 return -1;
 230
 231         return 0;
 232 }
 233
 234 static int emit_arrays(yaml_emitter_t *emitter, int n_array,
 235         struct pet_array **arrays)
 236 {
 237         int i;
 238         yaml_event_t event;
 239
 240         if (emit_string(emitter, "arrays") < 0)
 241                 return -1;
 242         if (!yaml_sequence_start_event_initialize(&event, NULL, NULL, 1,
 243                                                 YAML_BLOCK_SEQUENCE_STYLE))
 244                 return -1;
 245         if (!yaml_emitter_emit(emitter, &event))
 246                 return -1;
 247
 248         for (i = 0; i < n_array; ++i)
 249                 if (emit_array(emitter, arrays[i]) < 0)
 250                         return -1;
 251
 252         if (!yaml_sequence_end_event_initialize(&event))
 253                 return -1;
 254         if (!yaml_emitter_emit(emitter, &event))
 255                 return -1;
 256
 257         return 0;
 258 }
 259
 260 static int emit_type(yaml_emitter_t *emitter, enum pet_expr_type type)
 261 {
 262         if (emit_string(emitter, pet_type_str(type)) < 0)
 263                 return -1;
 264         return 0;
 265 }
 266
 267 static int emit_expr(yaml_emitter_t *emitter, struct pet_expr *expr)
 268 {
 269         yaml_event_t event;
 270
 271         if (!yaml_mapping_start_event_initialize(&event, NULL, NULL, 1,
 272                                                 YAML_BLOCK_MAPPING_STYLE))
 273                 return -1;
 274         if (!yaml_emitter_emit(emitter, &event))
 275                 return -1;
 276
 277         if (emit_string(emitter, "type") < 0)
 278                 return -1;
 279         if (emit_type(emitter, expr->type) < 0)
 280                 return -1;
 281
 282         switch (expr->type) {
 283         case pet_expr_double:
 284                 if (emit_string(emitter, "value") < 0)
 285                         return -1;
 286                 if (emit_double(emitter, expr->d.val) < 0)
 287                         return -1;
 288                 if (emit_string(emitter, "string") < 0)
 289                         return -1;
 290                 if (emit_string(emitter, expr->d.s) < 0)
 291                         return -1;
 292                 break;
 293         case pet_expr_access:
 294                 if (emit_string(emitter, "relation") < 0)
 295                         return -1;
 296                 if (emit_map(emitter, expr->acc.access) < 0)
 297                         return -1;
 298                 if (expr->acc.ref_id &&
 299                     emit_named_id(emitter, "reference", expr->acc.ref_id) < 0)
 300                         return -1;
 301                 if (emit_string(emitter, "read") < 0)
 302                         return -1;
 303                 if (emit_int(emitter, expr->acc.read) < 0)
 304                         return -1;
 305                 if (emit_string(emitter, "write") < 0)
 306                         return -1;
 307                 if (emit_int(emitter, expr->acc.write) < 0)
 308                         return -1;
 309                 break;
 310         case pet_expr_unary:
 311         case pet_expr_binary:
 312                 if (emit_string(emitter, "operation") < 0)
 313                         return -1;
 314                 if (emit_string(emitter, pet_op_str(expr->op)) < 0)
 315                         return -1;
 316                 break;
 317         case pet_expr_ternary:
 318                 break;
 319         case pet_expr_call:
 320                 if (emit_string(emitter, "name") < 0)
 321                         return -1;
 322                 if (emit_string(emitter, expr->name) < 0)
 323                         return -1;
 324                 break;
 325         case pet_expr_cast:
 326                 if (emit_string(emitter, "type_name") < 0)
 327                         return -1;
 328                 if (emit_string(emitter, expr->type_name) < 0)
 329                         return -1;
 330                 break;
 331         }
 332
 333         if (expr->n_arg > 0) {
 334                 int i;
 335
 336                 if (emit_string(emitter, "arguments") < 0)
 337                         return -1;
 338                 if (!yaml_sequence_start_event_initialize(&event, NULL, NULL, 1,
 339                                                     YAML_BLOCK_SEQUENCE_STYLE))
 340                         return -1;
 341                 if (!yaml_emitter_emit(emitter, &event))
 342                         return -1;
 343
 344                 for (i = 0; i < expr->n_arg; ++i)
 345                         if (emit_expr(emitter, expr->args[i]) < 0)
 346                                 return -1;
 347
 348                 if (!yaml_sequence_end_event_initialize(&event))
 349                         return -1;
 350                 if (!yaml_emitter_emit(emitter, &event))
 351                         return -1;
 352         }
 353
 354         if (!yaml_mapping_end_event_initialize(&event))
 355                 return -1;
 356         if (!yaml_emitter_emit(emitter, &event))
 357                 return -1;
 358
 359         return 0;
 360 }
 361
 362 static int emit_stmt(yaml_emitter_t *emitter, struct pet_stmt *stmt)
 363 {
 364         yaml_event_t event;
 365
 366         if (!yaml_mapping_start_event_initialize(&event, NULL, NULL, 1,
 367                                                 YAML_BLOCK_MAPPING_STYLE))
 368                 return -1;
 369         if (!yaml_emitter_emit(emitter, &event))
 370                 return -1;
 371
 372         if (emit_string(emitter, "line") < 0)
 373                 return -1;
 374         if (emit_int(emitter, stmt->line) < 0)
 375                 return -1;
 376
 377         if (emit_string(emitter, "domain") < 0)
 378                 return -1;
 379         if (emit_set(emitter, stmt->domain) < 0)
 380                 return -1;
 381
 382         if (emit_string(emitter, "schedule") < 0)
 383                 return -1;
 384         if (emit_map(emitter, stmt->schedule) < 0)
 385                 return -1;
 386
 387         if (emit_string(emitter, "body") < 0)
 388                 return -1;
 389         if (emit_expr(emitter, stmt->body) < 0)
 390                 return -1;
 391
 392         if (stmt->n_arg > 0) {
 393                 int i;
 394
 395                 if (emit_string(emitter, "arguments") < 0)
 396                         return -1;
 397                 if (!yaml_sequence_start_event_initialize(&event, NULL, NULL, 1,
 398                                                     YAML_BLOCK_SEQUENCE_STYLE))
 399                         return -1;
 400                 if (!yaml_emitter_emit(emitter, &event))
 401                         return -1;
 402
 403                 for (i = 0; i < stmt->n_arg; ++i)
 404                         if (emit_expr(emitter, stmt->args[i]) < 0)
 405                                 return -1;
 406
 407                 if (!yaml_sequence_end_event_initialize(&event))
 408                         return -1;
 409                 if (!yaml_emitter_emit(emitter, &event))
 410                         return -1;
 411         }
 412
 413         if (!yaml_mapping_end_event_initialize(&event))
 414                 return -1;
 415         if (!yaml_emitter_emit(emitter, &event))
 416                 return -1;
 417
 418         return 0;
 419 }
 420
 421 static int emit_statements(yaml_emitter_t *emitter, int n_stmt,
 422         struct pet_stmt **stmts)
 423 {
 424         int i;
 425         yaml_event_t event;
 426
 427         if (emit_string(emitter, "statements") < 0)
 428                 return -1;
 429         if (!yaml_sequence_start_event_initialize(&event, NULL, NULL, 1,
 430                                                 YAML_BLOCK_SEQUENCE_STYLE))
 431                 return -1;
 432         if (!yaml_emitter_emit(emitter, &event))
 433                 return -1;
 434
 435         for (i = 0; i < n_stmt; ++i)
 436                 if (emit_stmt(emitter, stmts[i]) < 0)
 437                         return -1;
 438
 439         if (!yaml_sequence_end_event_initialize(&event))
 440                 return -1;
 441         if (!yaml_emitter_emit(emitter, &event))
 442                 return -1;
 443
 444         return 0;
 445 }
 446
 447 /* Print "implication" to "emitter".
 448  */
 449 static int emit_implication(yaml_emitter_t *emitter,
 450         struct pet_implication *implication)
 451 {
 452         yaml_event_t event;
 453
 454         if (!yaml_mapping_start_event_initialize(&event, NULL, NULL, 1,
 455                                                 YAML_BLOCK_MAPPING_STYLE))
 456                 return -1;
 457         if (!yaml_emitter_emit(emitter, &event))
 458                 return -1;
 459
 460         if (emit_named_int(emitter, "satisfied", implication->satisfied) < 0)
 461                 return -1;
 462
 463         if (emit_named_map(emitter, "extension", implication->extension) < 0)
 464                 return -1;
 465
 466         if (!yaml_mapping_end_event_initialize(&event))
 467                 return -1;
 468         if (!yaml_emitter_emit(emitter, &event))
 469                 return -1;
 470
 471         return 0;
 472 }
 473
 474 /* Print the list of "n_implication" "implications", if any, to "emitter".
 475  */
 476 static int emit_implications(yaml_emitter_t *emitter, int n_implication,
 477         struct pet_implication **implications)
 478 {
 479         int i;
 480         yaml_event_t event;
 481
 482         if (n_implication == 0)
 483                 return 0;
 484
 485         if (emit_string(emitter, "implications") < 0)
 486                 return -1;
 487         if (!yaml_sequence_start_event_initialize(&event, NULL, NULL, 1,
 488                                                 YAML_BLOCK_SEQUENCE_STYLE))
 489                 return -1;
 490         if (!yaml_emitter_emit(emitter, &event))
 491                 return -1;
 492
 493         for (i = 0; i < n_implication; ++i)
 494                 if (emit_implication(emitter, implications[i]) < 0)
 495                         return -1;
 496
 497         if (!yaml_sequence_end_event_initialize(&event))
 498                 return -1;
 499         if (!yaml_emitter_emit(emitter, &event))
 500                 return -1;
 501
 502         return 0;
 503 }
 504
 505 static int emit_scop(yaml_emitter_t *emitter, struct pet_scop *scop)
 506 {
 507         yaml_event_t event;
 508
 509         if (!yaml_mapping_start_event_initialize(&event, NULL, NULL, 1,
 510                                                 YAML_BLOCK_MAPPING_STYLE))
 511                 return -1;
 512         if (!yaml_emitter_emit(emitter, &event))
 513                 return -1;
 514
 515         if (emit_named_unsigned(emitter, "start", scop->start) < 0)
 516                 return -1;
 517         if (emit_named_unsigned(emitter, "end", scop->end) < 0)
 518                 return -1;
 519         if (emit_string(emitter, "context") < 0)
 520                 return -1;
 521         if (emit_set(emitter, scop->context) < 0)
 522                 return -1;
 523         if (!isl_set_plain_is_universe(scop->context_value) &&
 524             emit_named_set(emitter, "context_value", scop->context_value) < 0)
 525                 return -1;
 526
 527         if (emit_arrays(emitter, scop->n_array, scop->arrays) < 0)
 528                 return -1;
 529
 530         if (emit_statements(emitter, scop->n_stmt, scop->stmts) < 0)
 531                 return -1;
 532
 533         if (emit_implications(emitter, scop->n_implication,
 534                                 scop->implications) < 0)
 535                 return -1;
 536
 537         if (!yaml_mapping_end_event_initialize(&event))
 538                 return -1;
 539         if (!yaml_emitter_emit(emitter, &event))
 540                 return -1;
 541
 542         return 0;
 543 }
 544
 545 /* Print a YAML serialization of "scop" to "out".
 546  */
 547 int pet_scop_emit(FILE *out, struct pet_scop *scop)
 548 {
 549         yaml_emitter_t emitter;
 550         yaml_event_t event;
 551
 552         yaml_emitter_initialize(&emitter);
 553
 554         yaml_emitter_set_output_file(&emitter, out);
 555
 556         yaml_stream_start_event_initialize(&event, YAML_UTF8_ENCODING);
 557         if (!yaml_emitter_emit(&emitter, &event))
 558                 goto error;
 559
 560         if (!yaml_document_start_event_initialize(&event, NULL, NULL, NULL, 1))
 561                 goto error;
 562         if (!yaml_emitter_emit(&emitter, &event))
 563                 goto error;
 564
 565         if (emit_scop(&emitter, scop) < 0)
 566                 goto error;
 567
 568         if (!yaml_document_end_event_initialize(&event, 1))
 569                 goto error;
 570         if (!yaml_emitter_emit(&emitter, &event))
 571                 goto error;
 572
 573         yaml_stream_end_event_initialize(&event);
 574         if (!yaml_emitter_emit(&emitter, &event))
 575                 goto error;
 576
 577         yaml_emitter_delete(&emitter);
 578         return 0;
 579 error:
 580         yaml_emitter_delete(&emitter);
 581         return -1;
 582 }