1 /********************* */
2 /*! \file options_template.cpp
4 ** Original author: Morgan Deters
5 ** Major contributors: none
6 ** Minor contributors (to current version): Kshitij Bansal
7 ** This file is part of the CVC4 project.
8 ** Copyright (c) 2009-2013 New York University and The University of Iowa
9 ** See the file COPYING in the top-level source directory for licensing
10 ** information.\endverbatim
12 ** \brief Contains code for handling command-line options.
14 ** Contains code for handling command-line options
17 #if !defined(_BSD_SOURCE) && defined(__MINGW32__) && !defined(__MINGW64__)
18 // force use of optreset; mingw32 croaks on argv-switching otherwise
19 # include "cvc4autoconfig.h"
21 # undef HAVE_DECL_OPTRESET
22 # define HAVE_DECL_OPTRESET 1
23 # define CVC4_IS_NOT_REALLY_BSD
24 #endif /* !_BSD_SOURCE && __MINGW32__ && !__MINGW64__ */
28 #endif /* __MINGW64__ */
33 #ifdef CVC4_IS_NOT_REALLY_BSD
35 #endif /* CVC4_IS_NOT_REALLY_BSD */
48 #include "expr/expr.h"
49 #include "util/configuration.h"
50 #include "util/didyoumean.h"
51 #include "util/exception.h"
52 #include "util/language.h"
55 $
{include_all_option_headers
}
57 #line 58 "${template}"
59 #include "util/output.h"
60 #include "options/options_holder.h"
61 #include "cvc4autoconfig.h"
62 #include "options/base_options_handlers.h"
64 $
{option_handler_includes
}
66 #line 67 "${template}"
69 using namespace CVC4::options
;
73 CVC4_THREADLOCAL(Options
*) Options::s_current
= NULL
;
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.
82 * This implements default behavior when e.g. an option is
83 * unsigned but the user specifies a negative argument; etc.
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<> */
90 /** Variant for integral C++ types */
92 struct OptionHandler
<T
, true, true> {
93 static T
handle(std::string option
, std::string optionarg
) {
95 Integer
i(optionarg
, 10);
97 if(! std::numeric_limits
<T
>::is_signed
&& i
< 0) {
98 // unsigned type but user gave negative argument
99 throw OptionException(option
+ " requires a nonnegative argument");
100 } else if(i
< std::numeric_limits
<T
>::min()) {
101 // negative overflow for type
102 std::stringstream ss
;
103 ss
<< option
<< " requires an argument >= " << std::numeric_limits
<T
>::min();
104 throw OptionException(ss
.str());
105 } else if(i
> std::numeric_limits
<T
>::max()) {
106 // positive overflow for type
107 std::stringstream ss
;
108 ss
<< option
<< " requires an argument <= " << std::numeric_limits
<T
>::max();
109 throw OptionException(ss
.str());
112 if(std::numeric_limits
<T
>::is_signed
) {
113 return T(i
.getLong());
115 return T(i
.getUnsignedLong());
117 } catch(std::invalid_argument
&) {
118 // user gave something other than an integer
119 throw OptionException(option
+ " requires an integer argument");
122 };/* struct OptionHandler<T, true, true> */
124 /** Variant for numeric but non-integral C++ types */
126 struct OptionHandler
<T
, true, false> {
127 static T
handle(std::string option
, std::string optionarg
) {
128 std::stringstream
in(optionarg
);
132 // we didn't consume the whole string (junk at end)
133 throw OptionException(option
+ " requires a numeric argument");
136 if(! std::numeric_limits
<T
>::is_signed
&& r
< 0.0) {
137 // unsigned type but user gave negative value
138 throw OptionException(option
+ " requires a nonnegative argument");
139 } else if(r
< -std::numeric_limits
<T
>::max()) {
140 // negative overflow for type
141 std::stringstream ss
;
142 ss
<< option
<< " requires an argument >= " << -std::numeric_limits
<T
>::max();
143 throw OptionException(ss
.str());
144 } else if(r
> std::numeric_limits
<T
>::max()) {
145 // positive overflow for type
146 std::stringstream ss
;
147 ss
<< option
<< " requires an argument <= " << std::numeric_limits
<T
>::max();
148 throw OptionException(ss
.str());
153 };/* struct OptionHandler<T, true, false> */
155 /** Variant for non-numeric C++ types */
157 struct OptionHandler
<T
, false, false> {
158 static T
handle(std::string option
, std::string optionarg
) {
159 T::unsupported_handleOption_call___please_write_me
;
160 // The above line causes a compiler error if this version of the template
161 // is ever instantiated (meaning that a specialization is missing). So
162 // don't worry about the segfault in the next line, the "return" is only
163 // there to keep the compiler from giving additional, distracting errors
167 };/* struct OptionHandler<T, false, false> */
169 /** Handle an option of type T in the default way. */
171 T
handleOption(std::string option
, std::string optionarg
) {
172 return OptionHandler
<T
, std::numeric_limits
<T
>::is_specialized
, std::numeric_limits
<T
>::is_integer
>::handle(option
, optionarg
);
175 /** Handle an option of type std::string in the default way. */
177 std::string handleOption
<std::string
>(std::string option
, std::string optionarg
) {
182 * Run handler, and any user-given predicates, for option T.
183 * If a user specifies a :handler or :predicates, it overrides this.
186 typename
T::type
runHandlerAndPredicates(T
, std::string option
, std::string optionarg
, SmtEngine
* smt
) {
187 // By default, parse the option argument in a way appropriate for its type.
188 // E.g., for "unsigned int" options, ensure that the provided argument is
189 // a nonnegative integer that fits in the unsigned int type.
191 return handleOption
<typename
T::type
>(option
, optionarg
);
195 void runBoolPredicates(T
, std::string option
, bool b
, SmtEngine
* smt
) {
196 // By default, nothing to do for bool. Users add things with
197 // :predicate in options files to provide custom checking routines
198 // that can throw exceptions.
201 $
{all_custom_handlers
}
203 #line 204 "${template}"
206 # define USE_EARLY_TYPE_CHECKING_BY_DEFAULT true
207 #else /* CVC4_DEBUG */
208 # define USE_EARLY_TYPE_CHECKING_BY_DEFAULT false
209 #endif /* CVC4_DEBUG */
211 #if defined(CVC4_MUZZLED) || defined(CVC4_COMPETITION_MODE)
212 # define DO_SEMANTIC_CHECKS_BY_DEFAULT false
213 #else /* CVC4_MUZZLED || CVC4_COMPETITION_MODE */
214 # define DO_SEMANTIC_CHECKS_BY_DEFAULT true
215 #endif /* CVC4_MUZZLED || CVC4_COMPETITION_MODE */
218 d_holder(new options::OptionsHolder()) {
221 Options::Options(const Options
& options
) :
222 d_holder(new options::OptionsHolder(*options
.d_holder
)) {
225 Options::~Options() {
229 options::OptionsHolder::OptionsHolder() : $
{all_modules_defaults
}
233 #line 234 "${template}"
235 static const std::string mostCommonOptionsDescription
= "\
236 Most commonly-used CVC4 options:${common_documentation}";
238 #line 239 "${template}"
240 static const std::string optionsDescription
= mostCommonOptionsDescription
+ "\n\
242 Additional CVC4 options:${remaining_documentation}";
244 #line 245 "${template}"
246 static const std::string optionsFootnote
= "\n\
247 [*] Each of these options has a --no-OPTIONNAME variant, which reverses the\n\
248 sense of the option.\n\
251 static const std::string languageDescription
= "\
252 Languages currently supported as arguments to the -L / --lang option:\n\
253 auto attempt to automatically determine language\n\
254 cvc4 | presentation | pl CVC4 presentation language\n\
255 smt1 | smtlib1 SMT-LIB format 1.2\n\
256 smt | smtlib | smt2 | smtlib2 SMT-LIB format 2.0\n\
257 tptp TPTP format (cnf and fof)\n\
259 Languages currently supported as arguments to the --output-lang option:\n\
260 auto match output language to input language\n\
261 cvc4 | presentation | pl CVC4 presentation language\n\
262 cvc3 CVC3 presentation language\n\
263 smt1 | smtlib1 SMT-LIB format 1.2\n\
264 smt | smtlib | smt2 | smtlib2 SMT-LIB format 2.0\n\
265 z3str SMT-LIB 2.0 with Z3-str string constraints\n\
267 ast internal format (simple syntax trees)\n\
270 std::string
Options::getDescription() const {
271 return optionsDescription
;
274 void Options::printUsage(const std::string msg
, std::ostream
& out
) {
275 out
<< msg
<< optionsDescription
<< std::endl
276 << optionsFootnote
<< std::endl
<< std::flush
;
279 void Options::printShortUsage(const std::string msg
, std::ostream
& out
) {
280 out
<< msg
<< mostCommonOptionsDescription
<< std::endl
281 << optionsFootnote
<< std::endl
282 << "For full usage, please use --help." << std::endl
<< std::endl
<< std::flush
;
285 void Options::printLanguageHelp(std::ostream
& out
) {
286 out
<< languageDescription
<< std::flush
;
290 * This is a table of long options. By policy, each short option
291 * should have an equivalent long option (but the reverse isn't the
292 * case), so this table should thus contain all command-line options.
294 * Each option in this array has four elements:
296 * 1. the long option string
297 * 2. argument behavior for the option:
298 * no_argument - no argument permitted
299 * required_argument - an argument is expected
300 * optional_argument - an argument is permitted but not required
301 * 3. this is a pointer to an int which is set to the 4th entry of the
302 * array if the option is present; or NULL, in which case
303 * getopt_long() returns the 4th entry
304 * 4. the return value for getopt_long() when this long option (or the
305 * value to set the 3rd entry to; see #3)
307 * If you add something here, you should add it in src/main/usage.h
308 * also, to document it.
310 * If you add something that has a short option equivalent, you should
311 * add it to the getopt_long() call in parseOptions().
313 static struct option cmdlineOptions
[] = {$
{all_modules_long_options
}
314 { NULL
, no_argument
, NULL
, '\0' }
315 };/* cmdlineOptions */
317 #line 318 "${template}"
319 static void preemptGetopt(int& argc
, char**& argv
, const char* opt
) {
320 const size_t maxoptlen
= 128;
322 Debug("preemptGetopt") << "preempting getopt() with " << opt
<< std::endl
;
324 AlwaysAssert(opt
!= NULL
&& *opt
!= '\0');
325 AlwaysAssert(strlen(opt
) <= maxoptlen
);
329 while(argv
[i
] != NULL
&& argv
[i
][0] != '\0') {
333 if(argv
[i
] == NULL
) {
334 argv
= (char**) realloc(argv
, (i
+ 6) * sizeof(char*));
335 for(unsigned j
= i
; j
< i
+ 5; ++j
) {
336 argv
[j
] = (char*) malloc(sizeof(char) * maxoptlen
);
342 strncpy(argv
[i
], opt
, maxoptlen
- 1);
343 argv
[i
][maxoptlen
- 1] = '\0'; // ensure NUL-termination even on overflow
348 /** Set a given Options* as "current" just for a particular scope. */
350 CVC4_THREADLOCAL_TYPE(Options
*)* d_field
;
353 OptionsGuard(CVC4_THREADLOCAL_TYPE(Options
*)* field
, Options
* opts
) :
361 };/* class OptionsGuard */
363 }/* CVC4::options namespace */
366 * Parse argc/argv and put the result into a CVC4::Options.
367 * The return value is what's left of the command line (that is, the
368 * non-option arguments).
370 std::vector
<std::string
> Options::parseOptions(int argc
, char* main_argv
[]) throw(OptionException
) {
371 options::OptionsGuard
guard(&s_current
, this);
373 const char *progName
= main_argv
[0];
374 SmtEngine
* const smt
= NULL
;
376 Debug("options") << "main_argv == " << main_argv
<< std::endl
;
378 // Reset getopt(), in the case of multiple calls to parseOptions().
379 // This can be = 1 in newer GNU getopt, but older (< 2007) require = 0.
381 #if HAVE_DECL_OPTRESET
382 optreset
= 1; // on BSD getopt() (e.g. Mac OS), might need this
383 #endif /* HAVE_DECL_OPTRESET */
385 // find the base name of the program
386 const char *x
= strrchr(progName
, '/');
390 d_holder
->binary_name
= std::string(progName
);
393 char **extra_argv
= (char**) malloc(2 * sizeof(char*));
394 extra_argv
[0] = NULL
;
395 extra_argv
[1] = NULL
;
397 int extra_optind
= 0, main_optind
= 0;
399 int *optind_ref
= &main_optind
;
401 char** argv
= main_argv
;
403 std::vector
<std::string
> nonOptions
;
408 std::string option
, optionarg
;
409 Debug("preemptGetopt") << "top of loop, extra_optind == " << extra_optind
<< ", extra_argc == " << extra_argc
<< std::endl
;
410 if((extra_optind
== 0 ? 1 : extra_optind
) < extra_argc
) {
411 #if HAVE_DECL_OPTRESET
412 if(optind_ref
!= &extra_optind
) {
413 optreset
= 1; // on BSD getopt() (e.g. Mac OS), might need this
415 #endif /* HAVE_DECL_OPTRESET */
416 old_optind
= optind
= extra_optind
;
417 optind_ref
= &extra_optind
;
419 Debug("preemptGetopt") << "in preempt code, next arg is " << extra_argv
[optind
== 0 ? 1 : optind
] << std::endl
;
420 if(extra_argv
[extra_optind
== 0 ? 1 : extra_optind
][0] != '-') {
421 InternalError("preempted args cannot give non-options command-line args (found `%s')", extra_argv
[extra_optind
== 0 ? 1 : extra_optind
]);
423 c
= getopt_long(extra_argc
, extra_argv
,
424 "+:${all_modules_short_options}",
425 cmdlineOptions
, NULL
);
426 Debug("preemptGetopt") << "in preempt code, c == " << c
<< " (`" << char(c
) << "') optind == " << optind
<< std::endl
;
428 ( optopt
>= $
{long_option_value_begin
} && optopt
<= $
{long_option_value_end
} )) {
430 option
= argv
[old_optind
== 0 ? 1 : old_optind
];
431 optionarg
= (optarg
== NULL
) ? "" : optarg
;
434 option
= std::string("-") + char(optopt
);
435 optionarg
= (optarg
== NULL
) ? "" : optarg
;
437 if(optind
>= extra_argc
) {
438 Debug("preemptGetopt") << "-- no more preempt args" << std::endl
;
440 while(extra_argv
[i
] != NULL
&& extra_argv
[i
][0] != '\0') {
441 extra_argv
[i
][0] = '\0';
447 Debug("preemptGetopt") << "-- more preempt args" << std::endl
;
448 extra_optind
= optind
;
452 #if HAVE_DECL_OPTRESET
453 if(optind_ref
!= &main_optind
) {
454 optreset
= 1; // on BSD getopt() (e.g. Mac OS), might need this
456 #endif /* HAVE_DECL_OPTRESET */
457 old_optind
= optind
= main_optind
;
458 optind_ref
= &main_optind
;
460 if(main_optind
< argc
&& main_argv
[main_optind
][0] != '-') {
462 if(main_optind
!= 0) {
463 nonOptions
.push_back(main_argv
[main_optind
]);
466 } while(main_optind
< argc
&& main_argv
[main_optind
][0] != '-');
469 Debug("options") << "[ before, optind == " << optind
<< " ]" << std::endl
;
470 #if defined(__MINGW32__) || defined(__MINGW64__)
471 if(optreset
== 1 && optind
> 1) {
472 // on mingw, optreset will reset the optind, so we have to
473 // manually advance argc, argv
474 main_argv
[optind
- 1] = main_argv
[0];
475 argv
= main_argv
+= optind
- 1;
477 old_optind
= optind
= main_optind
= 1;
479 Debug("options") << "looking at : " << argv
[0] << std::endl
;
481 /*c = getopt_long(argc, main_argv,
482 "+:${all_modules_short_options}",
483 cmdlineOptions, NULL);
484 Debug("options") << "pre-emptory c is " << c << " (" << char(c) << ")" << std::endl;
485 Debug("options") << "optind was reset to " << optind << std::endl;
486 optind = main_optind;
487 Debug("options") << "I restored optind to " << optind << std::endl;*/
489 #endif /* __MINGW32__ || __MINGW64__ */
490 Debug("options") << "[ argc == " << argc
<< ", main_argv == " << main_argv
<< " ]" << std::endl
;
491 c
= getopt_long(argc
, main_argv
,
492 "+:${all_modules_short_options}",
493 cmdlineOptions
, NULL
);
494 main_optind
= optind
;
495 Debug("options") << "[ got " << int(c
) << " (" << char(c
) << ") ]" << std::endl
;
496 Debug("options") << "[ next option will be at pos: " << optind
<< " ]" << std::endl
;
498 Debug("options") << "done with option parsing" << std::endl
;
501 option
= argv
[old_optind
== 0 ? 1 : old_optind
];
502 optionarg
= (optarg
== NULL
) ? "" : optarg
;
505 Debug("preemptGetopt") << "processing option " << c
<< " (`" << char(c
) << "'), " << option
<< std::endl
;
508 $
{all_modules_option_handlers
}
510 #line 511 "${template}"
513 // This can be a long or short option, and the way to get at the
514 // name of it is different.
515 throw OptionException(std::string("option `") + option
+ "' missing its required argument");
519 if( ( optopt
== 0 || ( optopt
>= $
{long_option_value_begin
} && optopt
<= $
{long_option_value_end
} ) ) &&
520 !strncmp(argv
[optind
- 1], "--thread", 8) &&
521 strlen(argv
[optind
- 1]) > 8 ) {
522 if(! isdigit(argv
[optind
- 1][8])) {
523 throw OptionException(std::string("can't understand option `") + option
+ "': expected something like --threadN=\"--option1 --option2\", where N is a nonnegative integer");
525 std::vector
<std::string
>& threadArgv
= d_holder
->threadArgv
;
527 long tnum
= strtol(argv
[optind
- 1] + 8, &end
, 10);
528 if(tnum
< 0 || (*end
!= '\0' && *end
!= '=')) {
529 throw OptionException(std::string("can't understand option `") + option
+ "': expected something like --threadN=\"--option1 --option2\", where N is a nonnegative integer");
531 if(threadArgv
.size() <= size_t(tnum
)) {
532 threadArgv
.resize(tnum
+ 1);
534 if(threadArgv
[tnum
] != "") {
535 threadArgv
[tnum
] += " ";
537 if(*end
== '\0') { // e.g., we have --thread0 "foo"
539 throw OptionException(std::string("option `") + option
+ "' missing its required argument");
541 Debug("options") << "thread " << tnum
<< " gets option " << argv
[optind
] << std::endl
;
542 threadArgv
[tnum
] += argv
[(*optind_ref
)++];
543 } else { // e.g., we have --thread0="foo"
545 throw OptionException(std::string("option `") + option
+ "' missing its required argument");
547 Debug("options") << "thread " << tnum
<< " gets option " << (end
+ 1) << std::endl
;
548 threadArgv
[tnum
] += end
+ 1;
550 Debug("options") << "thread " << tnum
<< " now has " << threadArgv
[tnum
] << std::endl
;
554 throw OptionException(std::string("can't understand option `") + option
+ "'"
555 + suggestCommandLineOptions(option
));
559 Debug("options") << "returning " << nonOptions
.size() << " non-option arguments." << std::endl
;
566 std::string
Options::suggestCommandLineOptions(const std::string
& optionName
) throw() {
567 DidYouMean didYouMean
;
570 for(size_t i
= 0; (opt
= cmdlineOptions
[i
].name
) != NULL
; ++i
) {
571 didYouMean
.addWord(std::string("--") + cmdlineOptions
[i
].name
);
574 return didYouMean
.getMatchAsString(optionName
.substr(0, optionName
.find('=')));
577 static const char* smtOptions
[] = {
578 $
{all_modules_smt_options
},
579 #line 580 "${template}"
583 std::vector
<std::string
> Options::suggestSmtOptions(const std::string
& optionName
) throw() {
584 std::vector
<std::string
> suggestions
;
587 for(size_t i
= 0; (opt
= smtOptions
[i
]) != NULL
; ++i
) {
588 if(std::strstr(opt
, optionName
.c_str()) != NULL
) {
589 suggestions
.push_back(opt
);
596 SExpr
Options::getOptions() const throw() {
597 std::vector
<SExpr
> opts
;
599 $
{all_modules_get_options
}
601 #line 602 "${template}"
606 #undef USE_EARLY_TYPE_CHECKING_BY_DEFAULT
607 #undef DO_SEMANTIC_CHECKS_BY_DEFAULT
609 }/* CVC4 namespace */