src/options/options_template.cpp

   1 /*********************                                                        */
   2 /*! \file options_template.cpp
   3  ** \verbatim
   4  ** Top contributors (to current version):
   5  **   Morgan Deters, Tim King, Mathias Preiner
   6  ** This file is part of the CVC4 project.
   7  ** Copyright (c) 2009-2020 by the authors listed in the file AUTHORS
   8  ** in the top-level source directory) and their institutional affiliations.
   9  ** All rights reserved.  See the file COPYING in the top-level source
  10  ** directory for licensing information.\endverbatim
  11  **
  12  ** \brief Contains code for handling command-line options.
  13  **
  14  ** Contains code for handling command-line options
  15  **/
  16
  17 #if !defined(_BSD_SOURCE) && defined(__MINGW32__) && !defined(__MINGW64__)
  18 // force use of optreset; mingw32 croaks on argv-switching otherwise
  19 #  include "cvc4autoconfig.h"
  20 #  define _BSD_SOURCE
  21 #  undef HAVE_DECL_OPTRESET
  22 #  define HAVE_DECL_OPTRESET 1
  23 #  define CVC4_IS_NOT_REALLY_BSD
  24 #endif /* !_BSD_SOURCE && __MINGW32__ && !__MINGW64__ */
  25
  26 #ifdef __MINGW64__
  27 extern int optreset;
  28 #endif /* __MINGW64__ */
  29
  30 #include <getopt.h>
  31
  32 // clean up
  33 #ifdef CVC4_IS_NOT_REALLY_BSD
  34 #  undef _BSD_SOURCE
  35 #endif /* CVC4_IS_NOT_REALLY_BSD */
  36
  37 #include <unistd.h>
  38 #include <string.h>
  39 #include <stdint.h>
  40 #include <time.h>
  41
  42 #include <cstdio>
  43 #include <cstdlib>
  44 #include <cstring>
  45 #include <iomanip>
  46 #include <new>
  47 #include <string>
  48 #include <sstream>
  49 #include <limits>
  50
  51 #include "base/check.h"
  52 #include "base/exception.h"
  53 #include "base/output.h"
  54 #include "options/didyoumean.h"
  55 #include "options/language.h"
  56 #include "options/options_handler.h"
  57
  58 ${headers_module}$
  59
  60
  61 #include "options/options_holder.h"
  62 #include "cvc4autoconfig.h"
  63 #include "options/base_handlers.h"
  64
  65 ${headers_handler}$
  66
  67
  68 using namespace CVC4;
  69 using namespace CVC4::options;
  70
  71 namespace CVC4 {
  72
  73 thread_local Options* Options::s_current = NULL;
  74
  75 /**
  76  * This is a default handler for options of built-in C++ type.  This
  77  * template is really just a helper for the handleOption() template,
  78  * below.  Variants of this template handle numeric and non-numeric,
  79  * integral and non-integral, signed and unsigned C++ types.
  80  * handleOption() makes sure to instantiate the right one.
  81  *
  82  * This implements default behavior when e.g. an option is
  83  * unsigned but the user specifies a negative argument; etc.
  84  */
  85 template <class T, bool is_numeric, bool is_integer>
  86 struct OptionHandler {
  87   static T handle(std::string option, std::string optionarg);
  88 };/* struct OptionHandler<> */
  89
  90 /** Variant for integral C++ types */
  91 template <class T>
  92 struct OptionHandler<T, true, true> {
  93   static bool stringToInt(T& t, const std::string& str) {
  94     std::istringstream ss(str);
  95     ss >> t;
  96     char tmp;
  97     return !(ss.fail() || ss.get(tmp));
  98   }
  99
 100   static bool containsMinus(const std::string& str) {
 101     return str.find('-') != std::string::npos;
 102   }
 103
 104   static T handle(const std::string& option, const std::string& optionarg) {
 105     try {
 106       T i;
 107       bool success = stringToInt(i, optionarg);
 108
 109       if(!success){
 110         throw OptionException(option + ": failed to parse "+ optionarg +
 111                               " as an integer of the appropriate type.");
 112       }
 113
 114       // Depending in the platform unsigned numbers with '-' signs may parse.
 115       // Reject these by looking for any minus if it is not signed.
 116       if( (! std::numeric_limits<T>::is_signed) && containsMinus(optionarg) ) {
 117         // unsigned type but user gave negative argument
 118         throw OptionException(option + " requires a nonnegative argument");
 119       } else if(i < std::numeric_limits<T>::min()) {
 120         // negative overflow for type
 121         std::stringstream ss;
 122         ss << option << " requires an argument >= "
 123            << std::numeric_limits<T>::min();
 124         throw OptionException(ss.str());
 125       } else if(i > std::numeric_limits<T>::max()) {
 126         // positive overflow for type
 127         std::stringstream ss;
 128         ss << option << " requires an argument <= "
 129            << std::numeric_limits<T>::max();
 130         throw OptionException(ss.str());
 131       }
 132
 133       return i;
 134
 135       // if(std::numeric_limits<T>::is_signed) {
 136       //   return T(i.getLong());
 137       // } else {
 138       //   return T(i.getUnsignedLong());
 139       // }
 140     } catch(std::invalid_argument&) {
 141       // user gave something other than an integer
 142       throw OptionException(option + " requires an integer argument");
 143     }
 144   }
 145 };/* struct OptionHandler<T, true, true> */
 146
 147 /** Variant for numeric but non-integral C++ types */
 148 template <class T>
 149 struct OptionHandler<T, true, false> {
 150   static T handle(std::string option, std::string optionarg) {
 151     std::stringstream in(optionarg);
 152     long double r;
 153     in >> r;
 154     if(! in.eof()) {
 155       // we didn't consume the whole string (junk at end)
 156       throw OptionException(option + " requires a numeric argument");
 157     }
 158
 159     if(! std::numeric_limits<T>::is_signed && r < 0.0) {
 160       // unsigned type but user gave negative value
 161       throw OptionException(option + " requires a nonnegative argument");
 162     } else if(r < -std::numeric_limits<T>::max()) {
 163       // negative overflow for type
 164       std::stringstream ss;
 165       ss << option << " requires an argument >= "
 166          << -std::numeric_limits<T>::max();
 167       throw OptionException(ss.str());
 168     } else if(r > std::numeric_limits<T>::max()) {
 169       // positive overflow for type
 170       std::stringstream ss;
 171       ss << option << " requires an argument <= "
 172          << std::numeric_limits<T>::max();
 173       throw OptionException(ss.str());
 174     }
 175
 176     return T(r);
 177   }
 178 };/* struct OptionHandler<T, true, false> */
 179
 180 /** Variant for non-numeric C++ types */
 181 template <class T>
 182 struct OptionHandler<T, false, false> {
 183   static T handle(std::string option, std::string optionarg) {
 184     T::unsupported_handleOption_call___please_write_me;
 185     // The above line causes a compiler error if this version of the template
 186     // is ever instantiated (meaning that a specialization is missing).  So
 187     // don't worry about the segfault in the next line, the "return" is only
 188     // there to keep the compiler from giving additional, distracting errors
 189     // and warnings.
 190     return *(T*)0;
 191   }
 192 };/* struct OptionHandler<T, false, false> */
 193
 194 /** Handle an option of type T in the default way. */
 195 template <class T>
 196 T handleOption(std::string option, std::string optionarg) {
 197   return OptionHandler<T, std::numeric_limits<T>::is_specialized, std::numeric_limits<T>::is_integer>::handle(option, optionarg);
 198 }
 199
 200 /** Handle an option of type std::string in the default way. */
 201 template <>
 202 std::string handleOption<std::string>(std::string option, std::string optionarg) {
 203   return optionarg;
 204 }
 205
 206 /**
 207  * Run handler, and any user-given predicates, for option T.
 208  * If a user specifies a :handler or :predicates, it overrides this.
 209  */
 210 template <class T>
 211 typename T::type runHandlerAndPredicates(T, std::string option, std::string optionarg, options::OptionsHandler* handler) {
 212   // By default, parse the option argument in a way appropriate for its type.
 213   // E.g., for "unsigned int" options, ensure that the provided argument is
 214   // a nonnegative integer that fits in the unsigned int type.
 215
 216   return handleOption<typename T::type>(option, optionarg);
 217 }
 218
 219 template <class T>
 220 void runBoolPredicates(T, std::string option, bool b, options::OptionsHandler* handler) {
 221   // By default, nothing to do for bool.  Users add things with
 222   // :predicate in options files to provide custom checking routines
 223   // that can throw exceptions.
 224 }
 225
 226
 227 Options::Options()
 228     : d_holder(new options::OptionsHolder())
 229     , d_handler(new options::OptionsHandler(this))
 230     , d_beforeSearchListeners()
 231 {}
 232
 233 Options::~Options() {
 234   delete d_handler;
 235   delete d_holder;
 236 }
 237
 238 void Options::copyValues(const Options& options){
 239   if(this != &options) {
 240     delete d_holder;
 241     d_holder = new options::OptionsHolder(*options.d_holder);
 242   }
 243 }
 244
 245 std::string Options::formatThreadOptionException(const std::string& option) {
 246   std::stringstream ss;
 247   ss << "can't understand option `" << option
 248      << "': expected something like --threadN=\"--option1 --option2\","
 249      << " where N is a nonnegative integer";
 250   return ss.str();
 251 }
 252
 253 ListenerCollection::Registration* Options::registerAndNotify(
 254     ListenerCollection& collection, Listener* listener, bool notify)
 255 {
 256   ListenerCollection::Registration* registration =
 257       collection.registerListener(listener);
 258   if(notify) {
 259     try
 260     {
 261       listener->notify();
 262     }
 263     catch (OptionException& e)
 264     {
 265       // It can happen that listener->notify() throws an OptionException. In
 266       // that case, we have to make sure that we delete the registration of our
 267       // listener before rethrowing the exception. Otherwise the
 268       // ListenerCollection deconstructor will complain that not all
 269       // registrations have been removed before invoking the deconstructor.
 270       delete registration;
 271       throw OptionException(e.getRawMessage());
 272     }
 273   }
 274   return registration;
 275 }
 276
 277 ListenerCollection::Registration* Options::registerBeforeSearchListener(
 278    Listener* listener)
 279 {
 280   return d_beforeSearchListeners.registerListener(listener);
 281 }
 282
 283 ListenerCollection::Registration* Options::registerSetDefaultExprDepthListener(
 284     Listener* listener, bool notifyIfSet)
 285 {
 286   bool notify = notifyIfSet && wasSetByUser(options::defaultExprDepth);
 287   return registerAndNotify(d_setDefaultExprDepthListeners, listener, notify);
 288 }
 289
 290 ListenerCollection::Registration* Options::registerSetDefaultExprDagListener(
 291     Listener* listener, bool notifyIfSet)
 292 {
 293   bool notify = notifyIfSet && wasSetByUser(options::defaultDagThresh);
 294   return registerAndNotify(d_setDefaultDagThreshListeners, listener, notify);
 295 }
 296
 297 ListenerCollection::Registration* Options::registerSetPrintExprTypesListener(
 298     Listener* listener, bool notifyIfSet)
 299 {
 300   bool notify = notifyIfSet && wasSetByUser(options::printExprTypes);
 301   return registerAndNotify(d_setPrintExprTypesListeners, listener, notify);
 302 }
 303
 304 ListenerCollection::Registration* Options::registerSetDumpModeListener(
 305     Listener* listener, bool notifyIfSet)
 306 {
 307   bool notify = notifyIfSet && wasSetByUser(options::dumpModeString);
 308   return registerAndNotify(d_setDumpModeListeners, listener, notify);
 309 }
 310
 311 ListenerCollection::Registration* Options::registerSetPrintSuccessListener(
 312     Listener* listener, bool notifyIfSet)
 313 {
 314   bool notify = notifyIfSet && wasSetByUser(options::printSuccess);
 315   return registerAndNotify(d_setPrintSuccessListeners, listener, notify);
 316 }
 317
 318 ListenerCollection::Registration* Options::registerDumpToFileNameListener(
 319     Listener* listener, bool notifyIfSet)
 320 {
 321   bool notify = notifyIfSet && wasSetByUser(options::dumpToFileName);
 322   return registerAndNotify(d_dumpToFileListeners, listener, notify);
 323 }
 324
 325 ListenerCollection::Registration*
 326 Options::registerSetRegularOutputChannelListener(
 327     Listener* listener, bool notifyIfSet)
 328 {
 329   bool notify = notifyIfSet && wasSetByUser(options::regularChannelName);
 330   return registerAndNotify(d_setRegularChannelListeners, listener, notify);
 331 }
 332
 333 ListenerCollection::Registration*
 334 Options::registerSetDiagnosticOutputChannelListener(
 335     Listener* listener, bool notifyIfSet)
 336 {
 337   bool notify = notifyIfSet && wasSetByUser(options::diagnosticChannelName);
 338   return registerAndNotify(d_setDiagnosticChannelListeners, listener, notify);
 339 }
 340
 341 ${custom_handlers}$
 342
 343 #if defined(CVC4_MUZZLED) || defined(CVC4_COMPETITION_MODE)
 344 #  define DO_SEMANTIC_CHECKS_BY_DEFAULT false
 345 #else /* CVC4_MUZZLED || CVC4_COMPETITION_MODE */
 346 #  define DO_SEMANTIC_CHECKS_BY_DEFAULT true
 347 #endif /* CVC4_MUZZLED || CVC4_COMPETITION_MODE */
 348
 349 options::OptionsHolder::OptionsHolder() :
 350   ${module_defaults}$
 351 {
 352 }
 353
 354
 355 static const std::string mostCommonOptionsDescription = "\
 356 Most commonly-used CVC4 options:\n"
 357 ${help_common}$;
 358
 359
 360 static const std::string optionsDescription = mostCommonOptionsDescription + "\n\
 361 \n\
 362 Additional CVC4 options:\n"
 363 ${help_others}$;
 364
 365
 366 static const std::string optionsFootnote = "\n\
 367 [*] Each of these options has a --no-OPTIONNAME variant, which reverses the\n\
 368     sense of the option.\n\
 369 ";
 370
 371 static const std::string languageDescription =
 372     "\
 373 Languages currently supported as arguments to the -L / --lang option:\n\
 374   auto                           attempt to automatically determine language\n\
 375   cvc4 | presentation | pl       CVC4 presentation language\n\
 376   smt | smtlib | smt2 |\n\
 377   smt2.0 | smtlib2 | smtlib2.0   SMT-LIB format 2.0\n\
 378   smt2.5 | smtlib2.5             SMT-LIB format 2.5\n\
 379   smt2.6 | smtlib2.6             SMT-LIB format 2.6 with support for the strings standard\n\
 380   tptp                           TPTP format (cnf, fof and tff)\n\
 381   sygus | sygus2                 SyGuS version 2.0\n\
 382 \n\
 383 Languages currently supported as arguments to the --output-lang option:\n\
 384   auto                           match output language to input language\n\
 385   cvc4 | presentation | pl       CVC4 presentation language\n\
 386   cvc3                           CVC3 presentation language\n\
 387   smt | smtlib | smt2 |\n\
 388   smt2.0 | smtlib2.0 | smtlib2   SMT-LIB format 2.0\n\
 389   smt2.5 | smtlib2.5             SMT-LIB format 2.5\n\
 390   smt2.6 | smtlib2.6             SMT-LIB format 2.6 with support for the strings standard\n\
 391   tptp                           TPTP format\n\
 392   ast                            internal format (simple syntax trees)\n\
 393 ";
 394
 395 std::string Options::getDescription() const {
 396   return optionsDescription;
 397 }
 398
 399 void Options::printUsage(const std::string msg, std::ostream& out) {
 400   out << msg << optionsDescription << std::endl
 401       << optionsFootnote << std::endl << std::flush;
 402 }
 403
 404 void Options::printShortUsage(const std::string msg, std::ostream& out) {
 405   out << msg << mostCommonOptionsDescription << std::endl
 406       << optionsFootnote << std::endl
 407       << "For full usage, please use --help."
 408       << std::endl << std::endl << std::flush;
 409 }
 410
 411 void Options::printLanguageHelp(std::ostream& out) {
 412   out << languageDescription << std::flush;
 413 }
 414
 415 /**
 416  * This is a table of long options.  By policy, each short option
 417  * should have an equivalent long option (but the reverse isn't the
 418  * case), so this table should thus contain all command-line options.
 419  *
 420  * Each option in this array has four elements:
 421  *
 422  * 1. the long option string
 423  * 2. argument behavior for the option:
 424  *    no_argument - no argument permitted
 425  *    required_argument - an argument is expected
 426  *    optional_argument - an argument is permitted but not required
 427  * 3. this is a pointer to an int which is set to the 4th entry of the
 428  *    array if the option is present; or NULL, in which case
 429  *    getopt_long() returns the 4th entry
 430  * 4. the return value for getopt_long() when this long option (or the
 431  *    value to set the 3rd entry to; see #3)
 432  *
 433  * If you add something here, you should add it in src/main/usage.h
 434  * also, to document it.
 435  *
 436  * If you add something that has a short option equivalent, you should
 437  * add it to the getopt_long() call in parseOptions().
 438  */
 439 static struct option cmdlineOptions[] = {
 440   ${cmdline_options}$
 441   { NULL, no_argument, NULL, '\0' }
 442 };/* cmdlineOptions */
 443
 444 namespace options {
 445
 446 /** Set a given Options* as "current" just for a particular scope. */
 447 class OptionsGuard {
 448   Options** d_field;
 449   Options* d_old;
 450 public:
 451   OptionsGuard(Options** field, Options* opts) :
 452     d_field(field),
 453     d_old(*field) {
 454     *field = opts;
 455   }
 456   ~OptionsGuard() {
 457     *d_field = d_old;
 458   }
 459 };/* class OptionsGuard */
 460
 461 }/* CVC4::options namespace */
 462
 463 /**
 464  * Parse argc/argv and put the result into a CVC4::Options.
 465  * The return value is what's left of the command line (that is, the
 466  * non-option arguments).
 467  *
 468  * Throws OptionException on failures.
 469  */
 470 std::vector<std::string> Options::parseOptions(Options* options,
 471                                                int argc,
 472                                                char* argv[])
 473 {
 474   Assert(options != NULL);
 475   Assert(argv != NULL);
 476
 477   options::OptionsGuard guard(&s_current, options);
 478
 479   const char *progName = argv[0];
 480
 481   // To debug options parsing, you may prefer to simply uncomment this
 482   // and recompile. Debug flags have not been parsed yet so these have
 483   // not been set.
 484   //DebugChannel.on("options");
 485
 486   Debug("options") << "Options::parseOptions == " << options << std::endl;
 487   Debug("options") << "argv == " << argv << std::endl;
 488
 489   // Find the base name of the program.
 490   const char *x = strrchr(progName, '/');
 491   if(x != NULL) {
 492     progName = x + 1;
 493   }
 494   options->d_holder->binary_name = std::string(progName);
 495
 496
 497   std::vector<std::string> nonoptions;
 498   parseOptionsRecursive(options, argc, argv, &nonoptions);
 499   if(Debug.isOn("options")){
 500     for(std::vector<std::string>::const_iterator i = nonoptions.begin(),
 501           iend = nonoptions.end(); i != iend; ++i){
 502       Debug("options") << "nonoptions " << *i << std::endl;
 503     }
 504   }
 505
 506   return nonoptions;
 507 }
 508
 509 void Options::parseOptionsRecursive(Options* options,
 510                                     int argc,
 511                                     char* argv[],
 512                                     std::vector<std::string>* nonoptions)
 513 {
 514
 515   if(Debug.isOn("options")) {
 516     Debug("options") << "starting a new parseOptionsRecursive with "
 517                      << argc << " arguments" << std::endl;
 518     for( int i = 0; i < argc ; i++ ){
 519       Assert(argv[i] != NULL);
 520       Debug("options") << "  argv[" << i << "] = " << argv[i] << std::endl;
 521     }
 522   }
 523
 524   // Having this synonym simplifies the generation code in mkoptions.
 525   options::OptionsHandler* handler = options->d_handler;
 526
 527   // Reset getopt(), in the case of multiple calls to parseOptions().
 528   // This can be = 1 in newer GNU getopt, but older (< 2007) require = 0.
 529   optind = 0;
 530 #if HAVE_DECL_OPTRESET
 531   optreset = 1; // on BSD getopt() (e.g. Mac OS), might need this
 532 #endif /* HAVE_DECL_OPTRESET */
 533
 534   // We must parse the binary name, which is manually ignored below. Setting
 535   // this to 1 leads to incorrect behavior on some platforms.
 536   int main_optind = 0;
 537   int old_optind;
 538
 539
 540   while(true) { // Repeat Forever
 541
 542     optopt = 0;
 543     std::string option, optionarg;
 544
 545     optind = main_optind;
 546     old_optind = main_optind;
 547
 548     // If we encounter an element that is not at zero and does not start
 549     // with a "-", this is a non-option. We consume this element as a
 550     // non-option.
 551     if (main_optind > 0 && main_optind < argc &&
 552         argv[main_optind][0] != '-') {
 553       Debug("options") << "enqueueing " << argv[main_optind]
 554                        << " as a non-option." << std::endl;
 555       nonoptions->push_back(argv[main_optind]);
 556       ++main_optind;
 557       continue;
 558     }
 559
 560
 561     Debug("options") << "[ before, main_optind == " << main_optind << " ]"
 562                      << std::endl;
 563     Debug("options") << "[ before, optind == " << optind << " ]" << std::endl;
 564     Debug("options") << "[ argc == " << argc << ", argv == " << argv << " ]"
 565                      << std::endl;
 566     int c = getopt_long(argc, argv,
 567                         "+:${options_short}$",
 568                         cmdlineOptions, NULL);
 569
 570     main_optind = optind;
 571
 572     Debug("options") << "[ got " << int(c) << " (" << char(c) << ") ]"
 573                      << "[ next option will be at pos: " << optind << " ]"
 574                      << std::endl;
 575
 576     // The initial getopt_long call should always determine that argv[0]
 577     // is not an option and returns -1. We always manually advance beyond
 578     // this element.
 579     if ( old_optind == 0  && c == -1 ) {
 580       Assert(main_optind > 0);
 581       continue;
 582     }
 583
 584     if ( c == -1 ) {
 585       if(Debug.isOn("options")) {
 586         Debug("options") << "done with option parsing" << std::endl;
 587         for(int index = optind; index < argc; ++index) {
 588           Debug("options") << "remaining " << argv[index] << std::endl;
 589         }
 590       }
 591       break;
 592     }
 593
 594     option = argv[old_optind == 0 ? 1 : old_optind];
 595     optionarg = (optarg == NULL) ? "" : optarg;
 596
 597     Debug("preemptGetopt") << "processing option " << c
 598                            << " (`" << char(c) << "'), " << option << std::endl;
 599
 600     switch(c) {
 601 ${options_handler}$
 602
 603
 604     case ':':
 605       // This can be a long or short option, and the way to get at the
 606       // name of it is different.
 607       throw OptionException(std::string("option `") + option +
 608                             "' missing its required argument");
 609
 610     case '?':
 611     default:
 612       throw OptionException(std::string("can't understand option `") + option +
 613                             "'" + suggestCommandLineOptions(option));
 614     }
 615   }
 616
 617   Debug("options") << "got " << nonoptions->size()
 618                    << " non-option arguments." << std::endl;
 619 }
 620
 621 std::string Options::suggestCommandLineOptions(const std::string& optionName)
 622 {
 623   DidYouMean didYouMean;
 624
 625   const char* opt;
 626   for(size_t i = 0; (opt = cmdlineOptions[i].name) != NULL; ++i) {
 627     didYouMean.addWord(std::string("--") + cmdlineOptions[i].name);
 628   }
 629
 630   return didYouMean.getMatchAsString(optionName.substr(0, optionName.find('=')));
 631 }
 632
 633 static const char* smtOptions[] = {
 634   ${options_smt}$
 635   NULL
 636 };/* smtOptions[] */
 637
 638 std::vector<std::string> Options::suggestSmtOptions(
 639     const std::string& optionName)
 640 {
 641   std::vector<std::string> suggestions;
 642
 643   const char* opt;
 644   for(size_t i = 0; (opt = smtOptions[i]) != NULL; ++i) {
 645     if(std::strstr(opt, optionName.c_str()) != NULL) {
 646       suggestions.push_back(opt);
 647     }
 648   }
 649
 650   return suggestions;
 651 }
 652
 653 std::vector<std::vector<std::string> > Options::getOptions() const
 654 {
 655   std::vector< std::vector<std::string> > opts;
 656
 657   ${options_getoptions}$
 658
 659
 660   return opts;
 661 }
 662
 663 void Options::setOption(const std::string& key, const std::string& optionarg)
 664 {
 665   options::OptionsHandler* handler = d_handler;
 666   Options* options = this;
 667   Trace("options") << "SMT setOption(" << key << ", " << optionarg << ")"
 668                    << std::endl;
 669
 670   ${setoption_handlers}$
 671
 672
 673   throw UnrecognizedOptionException(key);
 674 }
 675
 676 std::string Options::getOption(const std::string& key) const
 677 {
 678   Trace("options") << "SMT getOption(" << key << ")" << std::endl;
 679
 680   ${getoption_handlers}$
 681
 682
 683   throw UnrecognizedOptionException(key);
 684 }
 685
 686 #undef USE_EARLY_TYPE_CHECKING_BY_DEFAULT
 687 #undef DO_SEMANTIC_CHECKS_BY_DEFAULT
 688
 689 }  // namespace CVC4