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/********************* */
/** getopt.cpp
** Original author: mdeters
** Major contributors: none
** Minor contributors (to current version): barrett, dejan
** This file is part of the CVC4 prototype.
** Copyright (c) 2009, 2010 The Analysis of Computer Systems Group (ACSys)
** Courant Institute of Mathematical Sciences
** New York University
** See the file COPYING in the top-level source directory for licensing
** information.
**
** Contains code for handling command-line options
**/
#include <cstdio>
#include <cstdlib>
#include <new>
#include <unistd.h>
#include <string.h>
#include <stdint.h>
#include <time.h>
#include <getopt.h>
#include "config.h"
#include "main.h"
#include "util/exception.h"
#include "usage.h"
#include "about.h"
#include "util/output.h"
#include "util/options.h"
#include "parser/parser.h"
using namespace std;
using namespace CVC4;
using namespace CVC4::parser;
namespace CVC4 {
namespace main {
static const char lang_help[] = "\
Languages currently supported as arguments to the -L / --lang option:\n\
auto attempt to automatically determine the input language\n\
pl | cvc4 CVC4 presentation language\n\
smt | smtlib SMT-LIB format\n\
";
static const char cnf_help[] = "\
CNF conversions currently supported as arguments to the --cnf option:\n\
direct put in equiv. CNF directly (exp. blow up in # clauses, no new vars)\n\
var variable-introduction method (new vars, no exp. blow up in # clauses)\n\
";
// FIXME add a comment here describing the purpose of this
enum OptionValue {
CNF = 256, /* no clash with char options */
SMTCOMP,
STATS,
SEGV_NOSPIN
};/* enum OptionValue */
// FIXME add a comment here describing the option array
static struct option cmdlineOptions[] = {
// name, has_arg, *flag, val
{ "help" , no_argument , NULL, 'h' },
{ "version" , no_argument , NULL, 'V' },
{ "verbose" , no_argument , NULL, 'v' },
{ "quiet" , no_argument , NULL, 'q' },
{ "lang" , required_argument, NULL, 'L' },
{ "debug" , required_argument, NULL, 'd' },
{ "cnf" , required_argument, NULL, CNF },
{ "smtcomp" , no_argument , NULL, SMTCOMP },
{ "stats" , no_argument , NULL, STATS },
{ "segv-nospin", no_argument , NULL, SEGV_NOSPIN }
};/* if you add things to the above, please remember to update usage.h! */
/** Full argv[0] */
const char *progPath;
/** Just the basename component of argv[0] */
const char *progName;
/** Parse argc/argv and put the result into a CVC4::Options struct. */
int parseOptions(int argc, char** argv, CVC4::Options* opts)
throw(OptionException) {
progPath = progName = argv[0];
int c;
// find the base name of the program
const char *x = strrchr(progName, '/');
if(x != NULL) {
progName = x + 1;
}
opts->binary_name = string(progName);
// FIXME add a comment here describing the option string
while((c = getopt_long(argc, argv,
"+:hVvqL:d:",
cmdlineOptions, NULL)) != -1) {
switch(c) {
case 'h':
printf(usage, opts->binary_name.c_str());
exit(1);
case 'V':
fputs(about, stdout);
exit(0);
case 'v':
++opts->verbosity;
break;
case 'q':
--opts->verbosity;
break;
case 'L':
if(!strcmp(optarg, "cvc4") || !strcmp(optarg, "pl")) {
opts->lang = Parser::LANG_CVC4;
break;
} else if(!strcmp(optarg, "smtlib") || !strcmp(optarg, "smt")) {
opts->lang = Parser::LANG_SMTLIB;
break;
} else if(!strcmp(optarg, "auto")) {
opts->lang = Parser::LANG_AUTO;
break;
}
if(strcmp(optarg, "help")) {
throw OptionException(string("unknown language for --lang: `") +
optarg + "'. Try --lang help.");
}
fputs(lang_help, stdout);
exit(1);
case CNF:
if(!strcmp(optarg, "direct")) {
opts->d_cnfConversion = CNF_DIRECT_EXPONENTIAL;
break;
} else if(!strcmp(optarg, "var")) {
opts->d_cnfConversion = CNF_VAR_INTRODUCTION;
break;
} else if(strcmp(optarg, "help")) {
throw OptionException(string("unknown CNF conversion for --cnf: `") +
optarg + "'. Try --cnf help.");
}
fputs(cnf_help, stdout);
exit(1);
case 'd':
Debug.on(optarg);
/* fall-through */
case STATS:
opts->statistics = true;
break;
case SEGV_NOSPIN:
segvNoSpin = true;
break;
case SMTCOMP:
// silences CVC4 (except "sat" or "unsat" or "unknown", forces smtlib input)
opts->smtcomp_mode = true;
opts->verbosity = -1;
opts->lang = Parser::LANG_SMTLIB;
break;
case '?':
throw OptionException(string("can't understand option"));// + argv[optind - 1] + "'");
case ':':
throw OptionException(string("option missing its required argument"));// + argv[optind - 1] + "' missing its required argument");
default:
throw OptionException(string("can't understand option"));//: `") + argv[optind - 1] + "'");
}
}
return optind;
}
}/* CVC4::main namespace */
}/* CVC4 namespace */
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