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 (!yaml_mapping_end_event_initialize(&event))
 162                 return -1;
 163         if (!yaml_emitter_emit(emitter, &event))
 164                 return -1;
 165
 166         return 0;
 167 }
 168
 169 static int emit_arrays(yaml_emitter_t *emitter, int n_array,
 170         struct pet_array **arrays)
 171 {
 172         int i;
 173         yaml_event_t event;
 174
 175         if (emit_string(emitter, "arrays") < 0)
 176                 return -1;
 177         if (!yaml_sequence_start_event_initialize(&event, NULL, NULL, 1,
 178                                                 YAML_BLOCK_SEQUENCE_STYLE))
 179                 return -1;
 180         if (!yaml_emitter_emit(emitter, &event))
 181                 return -1;
 182
 183         for (i = 0; i < n_array; ++i)
 184                 if (emit_array(emitter, arrays[i]) < 0)
 185                         return -1;
 186
 187         if (!yaml_sequence_end_event_initialize(&event))
 188                 return -1;
 189         if (!yaml_emitter_emit(emitter, &event))
 190                 return -1;
 191
 192         return 0;
 193 }
 194
 195 static int emit_type(yaml_emitter_t *emitter, enum pet_expr_type type)
 196 {
 197         if (emit_string(emitter, pet_type_str(type)) < 0)
 198                 return -1;
 199         return 0;
 200 }
 201
 202 static int emit_expr(yaml_emitter_t *emitter, struct pet_expr *expr)
 203 {
 204         yaml_event_t event;
 205
 206         if (!yaml_mapping_start_event_initialize(&event, NULL, NULL, 1,
 207                                                 YAML_BLOCK_MAPPING_STYLE))
 208                 return -1;
 209         if (!yaml_emitter_emit(emitter, &event))
 210                 return -1;
 211
 212         if (emit_string(emitter, "type") < 0)
 213                 return -1;
 214         if (emit_type(emitter, expr->type) < 0)
 215                 return -1;
 216
 217         switch (expr->type) {
 218         case pet_expr_double:
 219                 if (emit_string(emitter, "value") < 0)
 220                         return -1;
 221                 if (emit_double(emitter, expr->d) < 0)
 222                         return -1;
 223                 break;
 224         case pet_expr_access:
 225                 if (emit_string(emitter, "relation") < 0)
 226                         return -1;
 227                 if (emit_map(emitter, expr->acc.access) < 0)
 228                         return -1;
 229                 if (emit_string(emitter, "read") < 0)
 230                         return -1;
 231                 if (emit_int(emitter, expr->acc.read) < 0)
 232                         return -1;
 233                 if (emit_string(emitter, "write") < 0)
 234                         return -1;
 235                 if (emit_int(emitter, expr->acc.write) < 0)
 236                         return -1;
 237                 break;
 238         case pet_expr_unary:
 239         case pet_expr_binary:
 240                 if (emit_string(emitter, "operation") < 0)
 241                         return -1;
 242                 if (emit_string(emitter, pet_op_str(expr->op)) < 0)
 243                         return -1;
 244                 break;
 245         case pet_expr_ternary:
 246                 break;
 247         case pet_expr_call:
 248                 if (emit_string(emitter, "name") < 0)
 249                         return -1;
 250                 if (emit_string(emitter, expr->name) < 0)
 251                         return -1;
 252                 break;
 253         }
 254
 255         if (expr->n_arg > 0) {
 256                 int i;
 257
 258                 if (emit_string(emitter, "arguments") < 0)
 259                         return -1;
 260                 if (!yaml_sequence_start_event_initialize(&event, NULL, NULL, 1,
 261                                                     YAML_BLOCK_SEQUENCE_STYLE))
 262                         return -1;
 263                 if (!yaml_emitter_emit(emitter, &event))
 264                         return -1;
 265
 266                 for (i = 0; i < expr->n_arg; ++i)
 267                         if (emit_expr(emitter, expr->args[i]) < 0)
 268                                 return -1;
 269
 270                 if (!yaml_sequence_end_event_initialize(&event))
 271                         return -1;
 272                 if (!yaml_emitter_emit(emitter, &event))
 273                         return -1;
 274         }
 275
 276         if (!yaml_mapping_end_event_initialize(&event))
 277                 return -1;
 278         if (!yaml_emitter_emit(emitter, &event))
 279                 return -1;
 280
 281         return 0;
 282 }
 283
 284 static int emit_stmt(yaml_emitter_t *emitter, struct pet_stmt *stmt)
 285 {
 286         yaml_event_t event;
 287
 288         if (!yaml_mapping_start_event_initialize(&event, NULL, NULL, 1,
 289                                                 YAML_BLOCK_MAPPING_STYLE))
 290                 return -1;
 291         if (!yaml_emitter_emit(emitter, &event))
 292                 return -1;
 293
 294         if (emit_string(emitter, "line") < 0)
 295                 return -1;
 296         if (emit_int(emitter, stmt->line) < 0)
 297                 return -1;
 298
 299         if (emit_string(emitter, "domain") < 0)
 300                 return -1;
 301         if (emit_set(emitter, stmt->domain) < 0)
 302                 return -1;
 303
 304         if (emit_string(emitter, "schedule") < 0)
 305                 return -1;
 306         if (emit_map(emitter, stmt->schedule) < 0)
 307                 return -1;
 308
 309         if (emit_string(emitter, "body") < 0)
 310                 return -1;
 311         if (emit_expr(emitter, stmt->body) < 0)
 312                 return -1;
 313
 314         if (stmt->n_arg > 0) {
 315                 int i;
 316
 317                 if (emit_string(emitter, "arguments") < 0)
 318                         return -1;
 319                 if (!yaml_sequence_start_event_initialize(&event, NULL, NULL, 1,
 320                                                     YAML_BLOCK_SEQUENCE_STYLE))
 321                         return -1;
 322                 if (!yaml_emitter_emit(emitter, &event))
 323                         return -1;
 324
 325                 for (i = 0; i < stmt->n_arg; ++i)
 326                         if (emit_expr(emitter, stmt->args[i]) < 0)
 327                                 return -1;
 328
 329                 if (!yaml_sequence_end_event_initialize(&event))
 330                         return -1;
 331                 if (!yaml_emitter_emit(emitter, &event))
 332                         return -1;
 333         }
 334
 335         if (!yaml_mapping_end_event_initialize(&event))
 336                 return -1;
 337         if (!yaml_emitter_emit(emitter, &event))
 338                 return -1;
 339
 340         return 0;
 341 }
 342
 343 static int emit_statements(yaml_emitter_t *emitter, int n_stmt,
 344         struct pet_stmt **stmts)
 345 {
 346         int i;
 347         yaml_event_t event;
 348
 349         if (emit_string(emitter, "statements") < 0)
 350                 return -1;
 351         if (!yaml_sequence_start_event_initialize(&event, NULL, NULL, 1,
 352                                                 YAML_BLOCK_SEQUENCE_STYLE))
 353                 return -1;
 354         if (!yaml_emitter_emit(emitter, &event))
 355                 return -1;
 356
 357         for (i = 0; i < n_stmt; ++i)
 358                 if (emit_stmt(emitter, stmts[i]) < 0)
 359                         return -1;
 360
 361         if (!yaml_sequence_end_event_initialize(&event))
 362                 return -1;
 363         if (!yaml_emitter_emit(emitter, &event))
 364                 return -1;
 365
 366         return 0;
 367 }
 368
 369 static int emit_scop(yaml_emitter_t *emitter, struct pet_scop *scop)
 370 {
 371         yaml_event_t event;
 372
 373         if (!yaml_mapping_start_event_initialize(&event, NULL, NULL, 1,
 374                                                 YAML_BLOCK_MAPPING_STYLE))
 375                 return -1;
 376         if (!yaml_emitter_emit(emitter, &event))
 377                 return -1;
 378
 379         if (emit_string(emitter, "context") < 0)
 380                 return -1;
 381         if (emit_set(emitter, scop->context) < 0)
 382                 return -1;
 383         if (!isl_set_plain_is_universe(scop->context_value) &&
 384             emit_named_set(emitter, "context_value", scop->context_value) < 0)
 385                 return -1;
 386
 387         if (emit_arrays(emitter, scop->n_array, scop->arrays) < 0)
 388                 return -1;
 389
 390         if (emit_statements(emitter, scop->n_stmt, scop->stmts) < 0)
 391                 return -1;
 392
 393         if (!yaml_mapping_end_event_initialize(&event))
 394                 return -1;
 395         if (!yaml_emitter_emit(emitter, &event))
 396                 return -1;
 397
 398         return 0;
 399 }
 400
 401 /* Print a YAML serialization of "scop" to "out".
 402  */
 403 int pet_scop_emit(FILE *out, struct pet_scop *scop)
 404 {
 405         yaml_emitter_t emitter;
 406         yaml_event_t event;
 407
 408         yaml_emitter_initialize(&emitter);
 409
 410         yaml_emitter_set_output_file(&emitter, out);
 411
 412         yaml_stream_start_event_initialize(&event, YAML_UTF8_ENCODING);
 413         if (!yaml_emitter_emit(&emitter, &event))
 414                 goto error;
 415
 416         if (!yaml_document_start_event_initialize(&event, NULL, NULL, NULL, 1))
 417                 goto error;
 418         if (!yaml_emitter_emit(&emitter, &event))
 419                 goto error;
 420
 421         if (emit_scop(&emitter, scop) < 0)
 422                 goto error;
 423
 424         if (!yaml_document_end_event_initialize(&event, 1))
 425                 goto error;
 426         if (!yaml_emitter_emit(&emitter, &event))
 427                 goto error;
 428
 429         yaml_stream_end_event_initialize(&event);
 430         if (!yaml_emitter_emit(&emitter, &event))
 431                 goto error;
 432
 433         yaml_emitter_delete(&emitter);
 434         return 0;
 435 error:
 436         yaml_emitter_delete(&emitter);
 437         return -1;
 438 }