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#include "uscxml/config.h"
#include "uscxml/Interpreter.h"
#include "uscxml/transform/ChartToFSM.h"
#include "uscxml/DOMUtils.h"
#include <glog/logging.h>
#ifdef HAS_SIGNAL_H
#include <signal.h>
#endif
#ifdef HAS_EXECINFO_H
#include <execinfo.h>
#endif
#ifdef HAS_DLFCN_H
#include <dlfcn.h>
#endif
class VerboseMonitor : public uscxml::InterpreterMonitor {
void onStableConfiguration(uscxml::Interpreter interpreter) {
printConfig(interpreter.getConfiguration());
}
void beforeProcessingEvent(uscxml::Interpreter interpreter, const uscxml::Event& event) {
std::cout << "Event: " << event.name << std::endl;
}
void beforeCompletion(uscxml::Interpreter interpreter) {
printConfig(interpreter.getConfiguration());
}
void printConfig(const Arabica::XPath::NodeSet<std::string>& config) {
std::string seperator;
std::cout << "Config: {";
for (int i = 0; i < config.size(); i++) {
std::cout << seperator << ATTR(config[i], "id");
seperator = ", ";
}
std::cout << "}" << std::endl;
}
};
#ifdef CMAKE_BUILD_TYPE_DEBUG
#ifdef HAS_EXECINFO_H
void printBacktrace(void** array, int size) {
char** messages = backtrace_symbols(array, size);
for (int i = 0; i < size && messages != NULL; ++i) {
std::cerr << "\t" << messages[i] << std::endl;
}
std::cerr << std::endl;
free(messages);
}
#ifdef HAS_DLFCN_H
// see https://gist.github.com/nkuln/2020860
typedef void (*cxa_throw_type)(void *, void *, void (*) (void *));
cxa_throw_type orig_cxa_throw = 0;
void load_orig_throw_code() {
orig_cxa_throw = (cxa_throw_type) dlsym(RTLD_NEXT, "__cxa_throw");
}
extern "C"
void __cxa_throw (void *thrown_exception, void *pvtinfo, void (*dest)(void *)) {
std::cerr << __FUNCTION__ << " will throw exception from " << std::endl;
if (orig_cxa_throw == 0)
load_orig_throw_code();
void *array[50];
size_t size = backtrace(array, 50);
printBacktrace(array, size);
orig_cxa_throw(thrown_exception, pvtinfo, dest);
}
#endif
#endif
// see http://stackoverflow.com/questions/2443135/how-do-i-find-where-an-exception-was-thrown-in-c
void customTerminate() {
static bool tried_throw = false;
try {
// try once to re-throw currently active exception
if (!tried_throw) {
tried_throw = true;
throw;
} else {
tried_throw = false;
}
} catch (const std::exception &e) {
std::cerr << __FUNCTION__ << " caught unhandled exception. what(): "
<< e.what() << std::endl;
} catch (const uscxml::Event &e) {
std::cerr << __FUNCTION__ << " caught unhandled exception. Event: "
<< e << std::endl;
} catch (...) {
std::cerr << __FUNCTION__ << " caught unknown/unhandled exception."
<< std::endl;
}
#ifdef HAS_EXECINFO_H
void * array[50];
int size = backtrace(array, 50);
printBacktrace(array, size);
#endif
abort();
}
#endif
int main(int argc, char** argv) {
using namespace uscxml;
bool verbose = false;
bool toFlat = false;
bool toPromela = false;
std::string pluginPath;
std::string inputFile;
std::string outputFile;
#if defined(HAS_SIGNAL_H) && !defined(WIN32)
signal(SIGPIPE, SIG_IGN);
#endif
#ifdef CMAKE_BUILD_TYPE_DEBUG
std::set_terminate(customTerminate);
#endif
// setup logging
google::LogToStderr();
google::InitGoogleLogging(argv[0]);
optind = 0;
opterr = 0;
struct option longOptions[] = {
{"verbose", no_argument, 0, 'v'},
{"to-flat", no_argument, 0, 'f'},
{"to-promela", no_argument, 0, 's'},
{"plugin-path", required_argument, 0, 'p'},
{"input-file", required_argument, 0, 'i'},
{"output-file", required_argument, 0, 'o'},
{"loglevel", required_argument, 0, 'l'},
{0, 0, 0, 0}
};
// parse global options
int optionInd = 0;
int option;
for (;;) {
option = getopt_long_only(argc, argv, "+vfs:p:i:o:l:", longOptions, &optionInd);
if (option == -1) {
break;
}
switch(option) {
// cases without short option
case 0: {
break;
}
// cases with short-hand options
case 'v':
verbose = true;
break;
case 'f':
toFlat = true;
break;
case 's':
toPromela = true;
break;
case 'p':
pluginPath = optarg;
break;
case 'i':
inputFile = optarg;
break;
case 'o':
outputFile = optarg;
break;
case 'l':
break;
case '?': {
break;
}
default:
break;
}
}
// register plugins
if (pluginPath.length() > 0) {
Factory::pluginPath = pluginPath;
}
// start HTTP server
HTTPServer::getInstance(30444, 30445, NULL);
Interpreter interpreter;
if (inputFile.size() == 0 || inputFile == "-") {
LOG(INFO) << "Reading SCXML from STDIN";
std::stringstream ss;
std::string line;
while (std::getline(std::cin, line)) {
ss << line;
}
interpreter = Interpreter::fromXML(ss.str());
} else {
interpreter = Interpreter::fromURI(inputFile);
}
if (!interpreter) {
LOG(ERROR) << "Cannot create interpreter from " << inputFile;
exit(EXIT_FAILURE);
}
if (toFlat) {
std::cout << ChartToFSM::flatten(interpreter.getDocument(), interpreter.getNameSpaceInfo());
exit(EXIT_SUCCESS);
}
if (toPromela) {
std::cout << ChartToFSM::flatten(interpreter.getDocument(), interpreter.getNameSpaceInfo());
exit(EXIT_SUCCESS);
}
return EXIT_SUCCESS;
}
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