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 static int emit_array(yaml_emitter_t *emitter, struct pet_array *array)
 162 {
 163         yaml_event_t event;
 164
 165         if (!yaml_mapping_start_event_initialize(&event, NULL, NULL, 1,
 166                                                 YAML_BLOCK_MAPPING_STYLE))
 167                 return -1;
 168         if (!yaml_emitter_emit(emitter, &event))
 169                 return -1;
 170
 171         if (emit_string(emitter, "context") < 0)
 172                 return -1;
 173         if (emit_set(emitter, array->context) < 0)
 174                 return -1;
 175
 176         if (emit_string(emitter, "extent") < 0)
 177                 return -1;
 178         if (emit_set(emitter, array->extent) < 0)
 179                 return -1;
 180
 181         if (array->value_bounds) {
 182                 if (emit_string(emitter, "value_bounds") < 0)
 183                         return -1;
 184                 if (emit_set(emitter, array->value_bounds) < 0)
 185                         return -1;
 186         }
 187
 188         if (emit_string(emitter, "element_type") < 0)
 189                 return -1;
 190         if (emit_string(emitter, array->element_type) < 0)
 191                 return -1;
 192         if (emit_named_int(emitter, "element_size", array->element_size) < 0)
 193                 return -1;
 194
 195         if (array->live_out) {
 196                 if (emit_string(emitter, "live_out") < 0)
 197                         return -1;
 198                 if (emit_string(emitter, "1") < 0)
 199                         return -1;
 200         }
 201
 202         if (array->uniquely_defined) {
 203                 if (emit_string(emitter, "uniquely_defined") < 0)
 204                         return -1;
 205                 if (emit_string(emitter, "1") < 0)
 206                         return -1;
 207         }
 208
 209         if (array->declared && emit_named_int(emitter, "declared", 1) < 0)
 210                 return -1;
 211         if (array->exposed && emit_named_int(emitter, "exposed", 1) < 0)
 212                 return -1;
 213
 214         if (!yaml_mapping_end_event_initialize(&event))
 215                 return -1;
 216         if (!yaml_emitter_emit(emitter, &event))
 217                 return -1;
 218
 219         return 0;
 220 }
 221
 222 static int emit_arrays(yaml_emitter_t *emitter, int n_array,
 223         struct pet_array **arrays)
 224 {
 225         int i;
 226         yaml_event_t event;
 227
 228         if (emit_string(emitter, "arrays") < 0)
 229                 return -1;
 230         if (!yaml_sequence_start_event_initialize(&event, NULL, NULL, 1,
 231                                                 YAML_BLOCK_SEQUENCE_STYLE))
 232                 return -1;
 233         if (!yaml_emitter_emit(emitter, &event))
 234                 return -1;
 235
 236         for (i = 0; i < n_array; ++i)
 237                 if (emit_array(emitter, arrays[i]) < 0)
 238                         return -1;
 239
 240         if (!yaml_sequence_end_event_initialize(&event))
 241                 return -1;
 242         if (!yaml_emitter_emit(emitter, &event))
 243                 return -1;
 244
 245         return 0;
 246 }
 247
 248 static int emit_type(yaml_emitter_t *emitter, enum pet_expr_type type)
 249 {
 250         if (emit_string(emitter, pet_type_str(type)) < 0)
 251                 return -1;
 252         return 0;
 253 }
 254
 255 static int emit_expr(yaml_emitter_t *emitter, struct pet_expr *expr)
 256 {
 257         yaml_event_t event;
 258
 259         if (!yaml_mapping_start_event_initialize(&event, NULL, NULL, 1,
 260                                                 YAML_BLOCK_MAPPING_STYLE))
 261                 return -1;
 262         if (!yaml_emitter_emit(emitter, &event))
 263                 return -1;
 264
 265         if (emit_string(emitter, "type") < 0)
 266                 return -1;
 267         if (emit_type(emitter, expr->type) < 0)
 268                 return -1;
 269
 270         switch (expr->type) {
 271         case pet_expr_double:
 272                 if (emit_string(emitter, "value") < 0)
 273                         return -1;
 274                 if (emit_double(emitter, expr->d.val) < 0)
 275                         return -1;
 276                 if (emit_string(emitter, "string") < 0)
 277                         return -1;
 278                 if (emit_string(emitter, expr->d.s) < 0)
 279                         return -1;
 280                 break;
 281         case pet_expr_access:
 282                 if (emit_string(emitter, "relation") < 0)
 283                         return -1;
 284                 if (emit_map(emitter, expr->acc.access) < 0)
 285                         return -1;
 286                 if (expr->acc.ref_id &&
 287                     emit_named_id(emitter, "reference", expr->acc.ref_id) < 0)
 288                         return -1;
 289                 if (emit_string(emitter, "read") < 0)
 290                         return -1;
 291                 if (emit_int(emitter, expr->acc.read) < 0)
 292                         return -1;
 293                 if (emit_string(emitter, "write") < 0)
 294                         return -1;
 295                 if (emit_int(emitter, expr->acc.write) < 0)
 296                         return -1;
 297                 break;
 298         case pet_expr_unary:
 299         case pet_expr_binary:
 300                 if (emit_string(emitter, "operation") < 0)
 301                         return -1;
 302                 if (emit_string(emitter, pet_op_str(expr->op)) < 0)
 303                         return -1;
 304                 break;
 305         case pet_expr_ternary:
 306                 break;
 307         case pet_expr_call:
 308                 if (emit_string(emitter, "name") < 0)
 309                         return -1;
 310                 if (emit_string(emitter, expr->name) < 0)
 311                         return -1;
 312                 break;
 313         case pet_expr_cast:
 314                 if (emit_string(emitter, "type_name") < 0)
 315                         return -1;
 316                 if (emit_string(emitter, expr->type_name) < 0)
 317                         return -1;
 318                 break;
 319         }
 320
 321         if (expr->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 < expr->n_arg; ++i)
 333                         if (emit_expr(emitter, expr->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_stmt(yaml_emitter_t *emitter, struct pet_stmt *stmt)
 351 {
 352         yaml_event_t event;
 353
 354         if (!yaml_mapping_start_event_initialize(&event, NULL, NULL, 1,
 355                                                 YAML_BLOCK_MAPPING_STYLE))
 356                 return -1;
 357         if (!yaml_emitter_emit(emitter, &event))
 358                 return -1;
 359
 360         if (emit_string(emitter, "line") < 0)
 361                 return -1;
 362         if (emit_int(emitter, stmt->line) < 0)
 363                 return -1;
 364
 365         if (emit_string(emitter, "domain") < 0)
 366                 return -1;
 367         if (emit_set(emitter, stmt->domain) < 0)
 368                 return -1;
 369
 370         if (emit_string(emitter, "schedule") < 0)
 371                 return -1;
 372         if (emit_map(emitter, stmt->schedule) < 0)
 373                 return -1;
 374
 375         if (emit_string(emitter, "body") < 0)
 376                 return -1;
 377         if (emit_expr(emitter, stmt->body) < 0)
 378                 return -1;
 379
 380         if (stmt->n_arg > 0) {
 381                 int i;
 382
 383                 if (emit_string(emitter, "arguments") < 0)
 384                         return -1;
 385                 if (!yaml_sequence_start_event_initialize(&event, NULL, NULL, 1,
 386                                                     YAML_BLOCK_SEQUENCE_STYLE))
 387                         return -1;
 388                 if (!yaml_emitter_emit(emitter, &event))
 389                         return -1;
 390
 391                 for (i = 0; i < stmt->n_arg; ++i)
 392                         if (emit_expr(emitter, stmt->args[i]) < 0)
 393                                 return -1;
 394
 395                 if (!yaml_sequence_end_event_initialize(&event))
 396                         return -1;
 397                 if (!yaml_emitter_emit(emitter, &event))
 398                         return -1;
 399         }
 400
 401         if (!yaml_mapping_end_event_initialize(&event))
 402                 return -1;
 403         if (!yaml_emitter_emit(emitter, &event))
 404                 return -1;
 405
 406         return 0;
 407 }
 408
 409 static int emit_statements(yaml_emitter_t *emitter, int n_stmt,
 410         struct pet_stmt **stmts)
 411 {
 412         int i;
 413         yaml_event_t event;
 414
 415         if (emit_string(emitter, "statements") < 0)
 416                 return -1;
 417         if (!yaml_sequence_start_event_initialize(&event, NULL, NULL, 1,
 418                                                 YAML_BLOCK_SEQUENCE_STYLE))
 419                 return -1;
 420         if (!yaml_emitter_emit(emitter, &event))
 421                 return -1;
 422
 423         for (i = 0; i < n_stmt; ++i)
 424                 if (emit_stmt(emitter, stmts[i]) < 0)
 425                         return -1;
 426
 427         if (!yaml_sequence_end_event_initialize(&event))
 428                 return -1;
 429         if (!yaml_emitter_emit(emitter, &event))
 430                 return -1;
 431
 432         return 0;
 433 }
 434
 435 static int emit_scop(yaml_emitter_t *emitter, struct pet_scop *scop)
 436 {
 437         yaml_event_t event;
 438
 439         if (!yaml_mapping_start_event_initialize(&event, NULL, NULL, 1,
 440                                                 YAML_BLOCK_MAPPING_STYLE))
 441                 return -1;
 442         if (!yaml_emitter_emit(emitter, &event))
 443                 return -1;
 444
 445         if (emit_named_unsigned(emitter, "start", scop->start) < 0)
 446                 return -1;
 447         if (emit_named_unsigned(emitter, "end", scop->end) < 0)
 448                 return -1;
 449         if (emit_string(emitter, "context") < 0)
 450                 return -1;
 451         if (emit_set(emitter, scop->context) < 0)
 452                 return -1;
 453         if (!isl_set_plain_is_universe(scop->context_value) &&
 454             emit_named_set(emitter, "context_value", scop->context_value) < 0)
 455                 return -1;
 456
 457         if (emit_arrays(emitter, scop->n_array, scop->arrays) < 0)
 458                 return -1;
 459
 460         if (emit_statements(emitter, scop->n_stmt, scop->stmts) < 0)
 461                 return -1;
 462
 463         if (!yaml_mapping_end_event_initialize(&event))
 464                 return -1;
 465         if (!yaml_emitter_emit(emitter, &event))
 466                 return -1;
 467
 468         return 0;
 469 }
 470
 471 /* Print a YAML serialization of "scop" to "out".
 472  */
 473 int pet_scop_emit(FILE *out, struct pet_scop *scop)
 474 {
 475         yaml_emitter_t emitter;
 476         yaml_event_t event;
 477
 478         yaml_emitter_initialize(&emitter);
 479
 480         yaml_emitter_set_output_file(&emitter, out);
 481
 482         yaml_stream_start_event_initialize(&event, YAML_UTF8_ENCODING);
 483         if (!yaml_emitter_emit(&emitter, &event))
 484                 goto error;
 485
 486         if (!yaml_document_start_event_initialize(&event, NULL, NULL, NULL, 1))
 487                 goto error;
 488         if (!yaml_emitter_emit(&emitter, &event))
 489                 goto error;
 490
 491         if (emit_scop(&emitter, scop) < 0)
 492                 goto error;
 493
 494         if (!yaml_document_end_event_initialize(&event, 1))
 495                 goto error;
 496         if (!yaml_emitter_emit(&emitter, &event))
 497                 goto error;
 498
 499         yaml_stream_end_event_initialize(&event);
 500         if (!yaml_emitter_emit(&emitter, &event))
 501                 goto error;
 502
 503         yaml_emitter_delete(&emitter);
 504         return 0;
 505 error:
 506         yaml_emitter_delete(&emitter);
 507         return -1;
 508 }