kernel/log.cc

   1 /*
   2  *  yosys -- Yosys Open SYnthesis Suite
   3  *
   4  *  Copyright (C) 2012  Clifford Wolf <clifford@clifford.at>
   5  *
   6  *  Permission to use, copy, modify, and/or distribute this software for any
   7  *  purpose with or without fee is hereby granted, provided that the above
   8  *  copyright notice and this permission notice appear in all copies.
   9  *
  10  *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15  *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16  *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  *
  18  */
  19
  20 #include "kernel/yosys.h"
  21 #include "libs/sha1/sha1.h"
  22 #include "backends/ilang/ilang_backend.h"
  23
  24 #if !defined(_WIN32) || defined(__MINGW32__)
  25 #  include <sys/time.h>
  26 #endif
  27
  28 #if defined(__linux__) || defined(__FreeBSD__)
  29 #  include <dlfcn.h>
  30 #endif
  31
  32 #include <stdlib.h>
  33 #include <stdio.h>
  34 #include <string.h>
  35 #include <stdarg.h>
  36 #include <vector>
  37 #include <list>
  38
  39 YOSYS_NAMESPACE_BEGIN
  40
  41 std::vector<FILE*> log_files;
  42 std::vector<std::ostream*> log_streams;
  43 std::map<std::string, std::set<std::string>> log_hdump;
  44 std::vector<YS_REGEX_TYPE> log_warn_regexes, log_nowarn_regexes, log_werror_regexes;
  45 std::vector<std::pair<YS_REGEX_TYPE,LogExpectedItem>> log_expect_log, log_expect_warning, log_expect_error;
  46 std::set<std::string> log_warnings, log_experimentals, log_experimentals_ignored;
  47 int log_warnings_count = 0;
  48 int log_warnings_count_noexpect = 0;
  49 bool log_expect_no_warnings = false;
  50 bool log_hdump_all = false;
  51 FILE *log_errfile = NULL;
  52 SHA1 *log_hasher = NULL;
  53
  54 bool log_time = false;
  55 bool log_error_stderr = false;
  56 bool log_cmd_error_throw = false;
  57 bool log_quiet_warnings = false;
  58 int log_verbose_level;
  59 string log_last_error;
  60 void (*log_error_atexit)() = NULL;
  61
  62 int log_make_debug = 0;
  63 int log_force_debug = 0;
  64 int log_debug_suppressed = 0;
  65
  66 vector<int> header_count;
  67 vector<char*> log_id_cache;
  68 vector<shared_str> string_buf;
  69 int string_buf_index = -1;
  70
  71 static struct timeval initial_tv = { 0, 0 };
  72 static bool next_print_log = false;
  73 static int log_newline_count = 0;
  74 static bool check_expected_logs = true;
  75 static bool display_error_log_msg = true;
  76
  77 static void log_id_cache_clear()
  78 {
  79         for (auto p : log_id_cache)
  80                 free(p);
  81         log_id_cache.clear();
  82 }
  83
  84 #if defined(_WIN32) && !defined(__MINGW32__)
  85 // this will get time information and return it in timeval, simulating gettimeofday()
  86 int gettimeofday(struct timeval *tv, struct timezone *tz)
  87 {
  88         LARGE_INTEGER counter;
  89         LARGE_INTEGER freq;
  90
  91         QueryPerformanceFrequency(&freq);
  92         QueryPerformanceCounter(&counter);
  93
  94         counter.QuadPart *= 1000000;
  95         counter.QuadPart /= freq.QuadPart;
  96
  97         tv->tv_sec = long(counter.QuadPart / 1000000);
  98         tv->tv_usec = counter.QuadPart % 1000000;
  99
 100         return 0;
 101 }
 102 #endif
 103
 104 void logv(const char *format, va_list ap)
 105 {
 106         while (format[0] == '\n' && format[1] != 0) {
 107                 log("\n");
 108                 format++;
 109         }
 110
 111         if (log_make_debug && !ys_debug(1))
 112                 return;
 113
 114         std::string str = vstringf(format, ap);
 115
 116         if (str.empty())
 117                 return;
 118
 119         size_t nnl_pos = str.find_last_not_of('\n');
 120         if (nnl_pos == std::string::npos)
 121                 log_newline_count += GetSize(str);
 122         else
 123                 log_newline_count = GetSize(str) - nnl_pos - 1;
 124
 125         if (log_hasher)
 126                 log_hasher->update(str);
 127
 128         if (log_time)
 129         {
 130                 std::string time_str;
 131
 132                 if (next_print_log || initial_tv.tv_sec == 0) {
 133                         next_print_log = false;
 134                         struct timeval tv;
 135                         gettimeofday(&tv, NULL);
 136                         if (initial_tv.tv_sec == 0)
 137                                 initial_tv = tv;
 138                         if (tv.tv_usec < initial_tv.tv_usec) {
 139                                 tv.tv_sec--;
 140                                 tv.tv_usec += 1000000;
 141                         }
 142                         tv.tv_sec -= initial_tv.tv_sec;
 143                         tv.tv_usec -= initial_tv.tv_usec;
 144                         time_str += stringf("[%05d.%06d] ", int(tv.tv_sec), int(tv.tv_usec));
 145                 }
 146
 147                 if (format[0] && format[strlen(format)-1] == '\n')
 148                         next_print_log = true;
 149
 150                 for (auto f : log_files)
 151                         fputs(time_str.c_str(), f);
 152
 153                 for (auto f : log_streams)
 154                         *f << time_str;
 155         }
 156
 157         for (auto f : log_files)
 158                 fputs(str.c_str(), f);
 159
 160         for (auto f : log_streams)
 161                 *f << str;
 162
 163         static std::string linebuffer;
 164         static bool log_warn_regex_recusion_guard = false;
 165
 166         if (!log_warn_regex_recusion_guard)
 167         {
 168                 log_warn_regex_recusion_guard = true;
 169
 170                 if (log_warn_regexes.empty() && log_expect_log.empty())
 171                 {
 172                         linebuffer.clear();
 173                 }
 174                 else
 175                 {
 176                         linebuffer += str;
 177
 178                         if (!linebuffer.empty() && linebuffer.back() == '\n') {
 179                                 for (auto &re : log_warn_regexes)
 180                                         if (YS_REGEX_NS::regex_search(linebuffer, re))
 181                                                 log_warning("Found log message matching -W regex:\n%s", str.c_str());
 182
 183                                 for (auto &item : log_expect_log)
 184                                         if (YS_REGEX_NS::regex_search(linebuffer, item.first))
 185                                                 item.second.current_count++;
 186
 187                                 linebuffer.clear();
 188                         }
 189                 }
 190
 191                 log_warn_regex_recusion_guard = false;
 192         }
 193 }
 194
 195 void logv_header(RTLIL::Design *design, const char *format, va_list ap)
 196 {
 197         bool pop_errfile = false;
 198
 199         log_spacer();
 200         if (header_count.size() > 0)
 201                 header_count.back()++;
 202
 203         if (int(header_count.size()) <= log_verbose_level && log_errfile != NULL) {
 204                 log_files.push_back(log_errfile);
 205                 pop_errfile = true;
 206         }
 207
 208         std::string header_id;
 209
 210         for (int c : header_count)
 211                 header_id += stringf("%s%d", header_id.empty() ? "" : ".", c);
 212
 213         log("%s. ", header_id.c_str());
 214         logv(format, ap);
 215         log_flush();
 216
 217         if (log_hdump_all)
 218                 log_hdump[header_id].insert("yosys_dump_" + header_id + ".il");
 219
 220         if (log_hdump.count(header_id) && design != nullptr)
 221                 for (auto &filename : log_hdump.at(header_id)) {
 222                         log("Dumping current design to '%s'.\n", filename.c_str());
 223                         if (yosys_xtrace)
 224                                 IdString::xtrace_db_dump();
 225                         Pass::call(design, {"dump", "-o", filename});
 226                         if (yosys_xtrace)
 227                                 log("#X# -- end of dump --\n");
 228                 }
 229
 230         if (pop_errfile)
 231                 log_files.pop_back();
 232 }
 233
 234 static void logv_warning_with_prefix(const char *prefix,
 235                                      const char *format, va_list ap)
 236 {
 237         std::string message = vstringf(format, ap);
 238         bool suppressed = false;
 239
 240         for (auto &re : log_nowarn_regexes)
 241                 if (YS_REGEX_NS::regex_search(message, re))
 242                         suppressed = true;
 243
 244         if (suppressed)
 245         {
 246                 log("Suppressed %s%s", prefix, message.c_str());
 247         }
 248         else
 249         {
 250                 int bak_log_make_debug = log_make_debug;
 251                 log_make_debug = 0;
 252
 253                 for (auto &re : log_werror_regexes)
 254                         if (YS_REGEX_NS::regex_search(message, re))
 255                                 log_error("%s",  message.c_str());
 256
 257                 bool warning_match = false;
 258                 for (auto &item : log_expect_warning)
 259                         if (YS_REGEX_NS::regex_search(message, item.first)) {
 260                                 item.second.current_count++;
 261                                 warning_match = true;
 262                         }
 263
 264                 if (log_warnings.count(message))
 265                 {
 266                         log("%s%s", prefix, message.c_str());
 267                         log_flush();
 268                 }
 269                 else
 270                 {
 271                         if (log_errfile != NULL && !log_quiet_warnings)
 272                                 log_files.push_back(log_errfile);
 273
 274                         log("%s%s", prefix, message.c_str());
 275                         log_flush();
 276
 277                         if (log_errfile != NULL && !log_quiet_warnings)
 278                                 log_files.pop_back();
 279
 280                         log_warnings.insert(message);
 281                 }
 282
 283                 if (!warning_match)
 284                         log_warnings_count_noexpect++;
 285                 log_warnings_count++;
 286                 log_make_debug = bak_log_make_debug;
 287         }
 288 }
 289
 290 void logv_warning(const char *format, va_list ap)
 291 {
 292         logv_warning_with_prefix("Warning: ", format, ap);
 293 }
 294
 295 void logv_warning_noprefix(const char *format, va_list ap)
 296 {
 297         logv_warning_with_prefix("", format, ap);
 298 }
 299
 300 void log_file_warning(const std::string &filename, int lineno,
 301                       const char *format, ...)
 302 {
 303         va_list ap;
 304         va_start(ap, format);
 305         std::string prefix = stringf("%s:%d: Warning: ",
 306                         filename.c_str(), lineno);
 307         logv_warning_with_prefix(prefix.c_str(), format, ap);
 308         va_end(ap);
 309 }
 310
 311 void log_file_info(const std::string &filename, int lineno,
 312                       const char *format, ...)
 313 {
 314         va_list ap;
 315         va_start(ap, format);
 316         std::string fmt = stringf("%s:%d: Info: %s",
 317                         filename.c_str(), lineno, format);
 318         logv(fmt.c_str(), ap);
 319         va_end(ap);
 320 }
 321
 322 YS_ATTRIBUTE(noreturn)
 323 static void logv_error_with_prefix(const char *prefix,
 324                                    const char *format, va_list ap)
 325 {
 326 #ifdef EMSCRIPTEN
 327         auto backup_log_files = log_files;
 328 #endif
 329         int bak_log_make_debug = log_make_debug;
 330         log_make_debug = 0;
 331         log_suppressed();
 332
 333         if (log_errfile != NULL)
 334                 log_files.push_back(log_errfile);
 335
 336         if (log_error_stderr)
 337                 for (auto &f : log_files)
 338                         if (f == stdout)
 339                                 f = stderr;
 340
 341         log_last_error = vstringf(format, ap);
 342         if (display_error_log_msg)
 343                 log("%s%s", prefix, log_last_error.c_str());
 344         log_flush();
 345
 346         log_make_debug = bak_log_make_debug;
 347
 348         if (log_error_atexit)
 349                 log_error_atexit();
 350
 351         for (auto &item : log_expect_error)
 352                 if (YS_REGEX_NS::regex_search(log_last_error, item.first))
 353                         item.second.current_count++;
 354
 355         if (check_expected_logs)
 356                 log_check_expected();
 357 #ifdef EMSCRIPTEN
 358         log_files = backup_log_files;
 359         throw 0;
 360 #elif defined(_MSC_VER)
 361         _exit(1);
 362 #else
 363         _Exit(1);
 364 #endif
 365 }
 366
 367 void logv_error(const char *format, va_list ap)
 368 {
 369         logv_error_with_prefix("ERROR: ", format, ap);
 370 }
 371
 372 void log_file_error(const string &filename, int lineno,
 373                     const char *format, ...)
 374 {
 375         va_list ap;
 376         va_start(ap, format);
 377         std::string prefix = stringf("%s:%d: ERROR: ",
 378                                      filename.c_str(), lineno);
 379         logv_error_with_prefix(prefix.c_str(), format, ap);
 380 }
 381
 382 void log(const char *format, ...)
 383 {
 384         va_list ap;
 385         va_start(ap, format);
 386         logv(format, ap);
 387         va_end(ap);
 388 }
 389
 390 void log_header(RTLIL::Design *design, const char *format, ...)
 391 {
 392         va_list ap;
 393         va_start(ap, format);
 394         logv_header(design, format, ap);
 395         va_end(ap);
 396 }
 397
 398 void log_warning(const char *format, ...)
 399 {
 400         va_list ap;
 401         va_start(ap, format);
 402         logv_warning(format, ap);
 403         va_end(ap);
 404 }
 405
 406 void log_experimental(const char *format, ...)
 407 {
 408         va_list ap;
 409         va_start(ap, format);
 410         string s = vstringf(format, ap);
 411         va_end(ap);
 412
 413         if (log_experimentals_ignored.count(s) == 0 && log_experimentals.count(s) == 0) {
 414                 log_warning("Feature '%s' is experimental.\n", s.c_str());
 415                 log_experimentals.insert(s);
 416         }
 417 }
 418
 419 void log_warning_noprefix(const char *format, ...)
 420 {
 421         va_list ap;
 422         va_start(ap, format);
 423         logv_warning_noprefix(format, ap);
 424         va_end(ap);
 425 }
 426
 427 void log_error(const char *format, ...)
 428 {
 429         va_list ap;
 430         va_start(ap, format);
 431         logv_error(format, ap);
 432 }
 433
 434 void log_cmd_error(const char *format, ...)
 435 {
 436         va_list ap;
 437         va_start(ap, format);
 438
 439         if (log_cmd_error_throw) {
 440                 log_last_error = vstringf(format, ap);
 441                 log("ERROR: %s", log_last_error.c_str());
 442                 log_flush();
 443                 throw log_cmd_error_exception();
 444         }
 445
 446         logv_error(format, ap);
 447 }
 448
 449 void log_spacer()
 450 {
 451         if (log_newline_count < 2) log("\n");
 452         if (log_newline_count < 2) log("\n");
 453 }
 454
 455 void log_push()
 456 {
 457         header_count.push_back(0);
 458 }
 459
 460 void log_pop()
 461 {
 462         header_count.pop_back();
 463         log_id_cache_clear();
 464         string_buf.clear();
 465         string_buf_index = -1;
 466         log_flush();
 467 }
 468
 469 #if (defined(__linux__) || defined(__FreeBSD__)) && defined(YOSYS_ENABLE_PLUGINS)
 470 void log_backtrace(const char *prefix, int levels)
 471 {
 472         if (levels <= 0) return;
 473
 474         Dl_info dli;
 475         void *p;
 476
 477         if ((p = __builtin_extract_return_addr(__builtin_return_address(0))) && dladdr(p, &dli)) {
 478                 log("%sframe #1: %p %s(%p) %s(%p)\n", prefix, p, dli.dli_fname, dli.dli_fbase, dli.dli_sname, dli.dli_saddr);
 479         } else {
 480                 log("%sframe #1: ---\n", prefix);
 481                 return;
 482         }
 483
 484         if (levels <= 1) return;
 485
 486 #ifndef DEBUG
 487         log("%sframe #2: [build Yosys with ENABLE_DEBUG for deeper backtraces]\n", prefix);
 488 #else
 489         if ((p = __builtin_extract_return_addr(__builtin_return_address(1))) && dladdr(p, &dli)) {
 490                 log("%sframe #2: %p %s(%p) %s(%p)\n", prefix, p, dli.dli_fname, dli.dli_fbase, dli.dli_sname, dli.dli_saddr);
 491         } else {
 492                 log("%sframe #2: ---\n", prefix);
 493                 return;
 494         }
 495
 496         if (levels <= 2) return;
 497
 498         if ((p = __builtin_extract_return_addr(__builtin_return_address(2))) && dladdr(p, &dli)) {
 499                 log("%sframe #3: %p %s(%p) %s(%p)\n", prefix, p, dli.dli_fname, dli.dli_fbase, dli.dli_sname, dli.dli_saddr);
 500         } else {
 501                 log("%sframe #3: ---\n", prefix);
 502                 return;
 503         }
 504
 505         if (levels <= 3) return;
 506
 507         if ((p = __builtin_extract_return_addr(__builtin_return_address(3))) && dladdr(p, &dli)) {
 508                 log("%sframe #4: %p %s(%p) %s(%p)\n", prefix, p, dli.dli_fname, dli.dli_fbase, dli.dli_sname, dli.dli_saddr);
 509         } else {
 510                 log("%sframe #4: ---\n", prefix);
 511                 return;
 512         }
 513
 514         if (levels <= 4) return;
 515
 516         if ((p = __builtin_extract_return_addr(__builtin_return_address(4))) && dladdr(p, &dli)) {
 517                 log("%sframe #5: %p %s(%p) %s(%p)\n", prefix, p, dli.dli_fname, dli.dli_fbase, dli.dli_sname, dli.dli_saddr);
 518         } else {
 519                 log("%sframe #5: ---\n", prefix);
 520                 return;
 521         }
 522
 523         if (levels <= 5) return;
 524
 525         if ((p = __builtin_extract_return_addr(__builtin_return_address(5))) && dladdr(p, &dli)) {
 526                 log("%sframe #6: %p %s(%p) %s(%p)\n", prefix, p, dli.dli_fname, dli.dli_fbase, dli.dli_sname, dli.dli_saddr);
 527         } else {
 528                 log("%sframe #6: ---\n", prefix);
 529                 return;
 530         }
 531
 532         if (levels <= 6) return;
 533
 534         if ((p = __builtin_extract_return_addr(__builtin_return_address(6))) && dladdr(p, &dli)) {
 535                 log("%sframe #7: %p %s(%p) %s(%p)\n", prefix, p, dli.dli_fname, dli.dli_fbase, dli.dli_sname, dli.dli_saddr);
 536         } else {
 537                 log("%sframe #7: ---\n", prefix);
 538                 return;
 539         }
 540
 541         if (levels <= 7) return;
 542
 543         if ((p = __builtin_extract_return_addr(__builtin_return_address(7))) && dladdr(p, &dli)) {
 544                 log("%sframe #8: %p %s(%p) %s(%p)\n", prefix, p, dli.dli_fname, dli.dli_fbase, dli.dli_sname, dli.dli_saddr);
 545         } else {
 546                 log("%sframe #8: ---\n", prefix);
 547                 return;
 548         }
 549
 550         if (levels <= 8) return;
 551
 552         if ((p = __builtin_extract_return_addr(__builtin_return_address(8))) && dladdr(p, &dli)) {
 553                 log("%sframe #9: %p %s(%p) %s(%p)\n", prefix, p, dli.dli_fname, dli.dli_fbase, dli.dli_sname, dli.dli_saddr);
 554         } else {
 555                 log("%sframe #9: ---\n", prefix);
 556                 return;
 557         }
 558
 559         if (levels <= 9) return;
 560 #endif
 561 }
 562 #else
 563 void log_backtrace(const char*, int) { }
 564 #endif
 565
 566 void log_reset_stack()
 567 {
 568         while (header_count.size() > 1)
 569                 header_count.pop_back();
 570         log_id_cache_clear();
 571         string_buf.clear();
 572         string_buf_index = -1;
 573         log_flush();
 574 }
 575
 576 void log_flush()
 577 {
 578         for (auto f : log_files)
 579                 fflush(f);
 580
 581         for (auto f : log_streams)
 582                 f->flush();
 583 }
 584
 585 void log_dump_val_worker(RTLIL::IdString v) {
 586         log("%s", log_id(v));
 587 }
 588
 589 void log_dump_val_worker(RTLIL::SigSpec v) {
 590         log("%s", log_signal(v));
 591 }
 592
 593 void log_dump_val_worker(RTLIL::State v) {
 594         log("%s", log_signal(v));
 595 }
 596
 597 const char *log_signal(const RTLIL::SigSpec &sig, bool autoint)
 598 {
 599         std::stringstream buf;
 600         ILANG_BACKEND::dump_sigspec(buf, sig, autoint);
 601
 602         if (string_buf.size() < 100) {
 603                 string_buf.push_back(buf.str());
 604                 return string_buf.back().c_str();
 605         } else {
 606                 if (++string_buf_index == 100)
 607                         string_buf_index = 0;
 608                 string_buf[string_buf_index] = buf.str();
 609                 return string_buf[string_buf_index].c_str();
 610         }
 611 }
 612
 613 const char *log_const(const RTLIL::Const &value, bool autoint)
 614 {
 615         if ((value.flags & RTLIL::CONST_FLAG_STRING) == 0)
 616                 return log_signal(value, autoint);
 617
 618         std::string str = "\"" + value.decode_string() + "\"";
 619
 620         if (string_buf.size() < 100) {
 621                 string_buf.push_back(str);
 622                 return string_buf.back().c_str();
 623         } else {
 624                 if (++string_buf_index == 100)
 625                         string_buf_index = 0;
 626                 string_buf[string_buf_index] = str;
 627                 return string_buf[string_buf_index].c_str();
 628         }
 629 }
 630
 631 const char *log_id(RTLIL::IdString str)
 632 {
 633         log_id_cache.push_back(strdup(str.c_str()));
 634         const char *p = log_id_cache.back();
 635         if (p[0] != '\\')
 636                 return p;
 637         if (p[1] == '$' || p[1] == '\\' || p[1] == 0)
 638                 return p;
 639         if (p[1] >= '0' && p[1] <= '9')
 640                 return p;
 641         return p+1;
 642 }
 643
 644 void log_module(RTLIL::Module *module, std::string indent)
 645 {
 646         std::stringstream buf;
 647         ILANG_BACKEND::dump_module(buf, indent, module, module->design, false);
 648         log("%s", buf.str().c_str());
 649 }
 650
 651 void log_cell(RTLIL::Cell *cell, std::string indent)
 652 {
 653         std::stringstream buf;
 654         ILANG_BACKEND::dump_cell(buf, indent, cell);
 655         log("%s", buf.str().c_str());
 656 }
 657
 658 void log_wire(RTLIL::Wire *wire, std::string indent)
 659 {
 660         std::stringstream buf;
 661         ILANG_BACKEND::dump_wire(buf, indent, wire);
 662         log("%s", buf.str().c_str());
 663 }
 664
 665 void log_check_expected()
 666 {
 667         check_expected_logs = false;
 668
 669         for (auto &item : log_expect_warning) {
 670                 if (item.second.current_count == 0) {
 671                         log_warn_regexes.clear();
 672                         log_error("Expected warning pattern '%s' not found !\n", item.second.pattern.c_str());
 673                 }
 674                 if (item.second.current_count != item.second.expected_count) {
 675                         log_warn_regexes.clear();
 676                         log_error("Expected warning pattern '%s' found %d time(s), instead of %d time(s) !\n",
 677                                 item.second.pattern.c_str(), item.second.current_count, item.second.expected_count);
 678                 }
 679         }
 680
 681         for (auto &item : log_expect_log) {
 682                 if (item.second.current_count == 0) {
 683                         log_warn_regexes.clear();
 684                         log_error("Expected log pattern '%s' not found !\n", item.second.pattern.c_str());
 685                 }
 686                 if (item.second.current_count != item.second.expected_count) {
 687                         log_warn_regexes.clear();
 688                         log_error("Expected log pattern '%s' found %d time(s), instead of %d time(s) !\n",
 689                                 item.second.pattern.c_str(), item.second.current_count, item.second.expected_count);
 690                 }
 691         }
 692
 693         for (auto &item : log_expect_error)
 694                 if (item.second.current_count == item.second.expected_count) {
 695                         log_warn_regexes.clear();
 696                         log("Expected error pattern '%s' found !!!\n", item.second.pattern.c_str());
 697                         #ifdef EMSCRIPTEN
 698                                 throw 0;
 699                         #elif defined(_MSC_VER)
 700                                 _exit(0);
 701                         #else
 702                                 _Exit(0);
 703                         #endif
 704                 } else {
 705                         display_error_log_msg = false;
 706                         log_warn_regexes.clear();
 707                         log_error("Expected error pattern '%s' not found !\n", item.second.pattern.c_str());
 708                 }
 709 }
 710
 711 // ---------------------------------------------------
 712 // This is the magic behind the code coverage counters
 713 // ---------------------------------------------------
 714 #if defined(YOSYS_ENABLE_COVER) && (defined(__linux__) || defined(__FreeBSD__))
 715
 716 dict<std::string, std::pair<std::string, int>> extra_coverage_data;
 717
 718 void cover_extra(std::string parent, std::string id, bool increment) {
 719         if (extra_coverage_data.count(id) == 0) {
 720                 for (CoverData *p = __start_yosys_cover_list; p != __stop_yosys_cover_list; p++)
 721                         if (p->id == parent)
 722                                 extra_coverage_data[id].first = stringf("%s:%d:%s", p->file, p->line, p->func);
 723                 log_assert(extra_coverage_data.count(id));
 724         }
 725         if (increment)
 726                 extra_coverage_data[id].second++;
 727 }
 728
 729 dict<std::string, std::pair<std::string, int>> get_coverage_data()
 730 {
 731         dict<std::string, std::pair<std::string, int>> coverage_data;
 732
 733         for (auto &it : pass_register) {
 734                 std::string key = stringf("passes.%s", it.first.c_str());
 735                 coverage_data[key].first = stringf("%s:%d:%s", __FILE__, __LINE__, __FUNCTION__);
 736                 coverage_data[key].second += it.second->call_counter;
 737         }
 738
 739         for (auto &it : extra_coverage_data) {
 740                 if (coverage_data.count(it.first))
 741                         log_warning("found duplicate coverage id \"%s\".\n", it.first.c_str());
 742                 coverage_data[it.first].first = it.second.first;
 743                 coverage_data[it.first].second += it.second.second;
 744         }
 745
 746         for (CoverData *p = __start_yosys_cover_list; p != __stop_yosys_cover_list; p++) {
 747                 if (coverage_data.count(p->id))
 748                         log_warning("found duplicate coverage id \"%s\".\n", p->id);
 749                 coverage_data[p->id].first = stringf("%s:%d:%s", p->file, p->line, p->func);
 750                 coverage_data[p->id].second += p->counter;
 751         }
 752
 753         for (auto &it : coverage_data)
 754                 if (!it.second.first.compare(0, strlen(YOSYS_SRC "/"), YOSYS_SRC "/"))
 755                         it.second.first = it.second.first.substr(strlen(YOSYS_SRC "/"));
 756
 757         return coverage_data;
 758 }
 759
 760 #endif
 761
 762 YOSYS_NAMESPACE_END