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#include "expr.h"
#include "check.h"
#include <signal.h>
#include "sccwriter.h"
#include "libwriter.h"
#include <time.h>
using namespace std;
args a;
static void parse_args(int argc, char **argv, args &a)
{
char *arg0 = *argv;
/* skip 0'th argument */
argv++;
argc--;
while (argc) {
if ((strncmp("-h", *argv, 2) == 0) ||
(strncmp("--h", *argv, 3) == 0)) {
cout << "Usage: " << arg0 << " [options] infile1 ...infile_n\n";
cout << "If no infiles are named on the command line, input is read\n"
<< "from stdin. Specifying the infile \"stdin\" will also read\n"
<< "from stdin. Options are:\n\n";
cout << "--show-runs: print debugging information for runs of side condition code\n";
cout << "--compile-scc: compile side condition code\n";
cout << "--compile-scc-debug: compile debug versions of side condition code\n";
cout << "--run-scc: use compiled side condition code\n";
exit(0);
}
else if(strcmp("--show-runs", *argv) == 0) {
argc--; argv++;
a.show_runs = true;
}
else if(strcmp("--no-tail-calls", *argv) == 0) {
// this is just for debugging.
argc--; argv++;
a.no_tail_calls = true;
}
else if( strcmp("--compile-scc", *argv) == 0 ){
argc--; argv++;
a.compile_scc = true;
a.compile_scc_debug = false;
}
else if( strcmp("--compile-scc-debug", *argv) == 0 )
{
argc--; argv++;
a.compile_scc = true;
a.compile_scc_debug = true;
}
else if( strcmp("--compile-lib", *argv) == 0 )
{
argc--; argv++;
a.compile_lib = true;
}
else if( strcmp("--run-scc", *argv) == 0 ){
argc--; argv++;
a.run_scc = true;
}
else if( strcmp("--use-nested-app", *argv) == 0 ){
argc--; argv++;
a.use_nested_app = true; //not implemented yet
}else {
a.files.push_back(*argv);
argc--; argv++;
}
}
}
void sighandler(int /* signum */) {
cerr << "\nInterrupted. sc is aborting.\n";
exit(1);
}
int main(int argc, char **argv) {
a.show_runs = false;
a.no_tail_calls = false;
a.compile_scc = false;
a.run_scc = false;
a.use_nested_app = false;
signal(SIGINT, sighandler);
parse_args(argc, argv, a);
init();
check_time = (int)clock();
if (a.files.size()) {
sccwriter* scw = NULL;
libwriter* lw = NULL;
if( a.compile_scc ){
scw = new sccwriter( a.compile_scc_debug ? opt_write_call_debug : 0 );
}
if( a.compile_lib ){
lw = new libwriter;
}
/* process the files named */
int i = 0, iend = a.files.size();
for (; i < iend; i++) {
const char *filename = a.files[i].c_str();
check_file(filename, a, scw, lw);
}
if( scw ){
scw->write_file();
delete scw;
}
if( lw ){
#ifdef DEBUG_SYM_NAMES
lw->write_file();
delete lw;
#else
std::cout << "ERROR libwriter: Must compile LFSC with DEBUG_SYM_NAMES flag (see Expr.h)" << std::endl;
#endif
}
}
else
check_file("stdin", a);
//std::cout << "time = " << (int)clock() - t << std::endl;
//while(1){}
#ifdef DEBUG
cout << "Clearing globals.\n";
cout.flush();
cleanup();
a.files.clear();
#endif
std::cout << "Proof checked successfully!" << std::endl << std::endl;
std::cout << "time = " << (int)clock() - check_time << std::endl;
std::cout << "sym count = " << SymExpr::symmCount << std::endl;
std::cout << "marked count = " << Expr::markedCount << std::endl;
}
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