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#include "uscxml/config.h"
#include "uscxml/Interpreter.h"
#include <glog/logging.h>
#include "uscxml/plugins/invoker/filesystem/dirmon/DirMonInvoker.h"
#include <boost/algorithm/string.hpp>
#ifdef HAS_SIGNAL_H
#include <signal.h>
#endif
#ifdef HAS_EXECINFO_H
#include <execinfo.h>
#endif
#ifdef HAS_DLFCN_H
#include <dlfcn.h>
#endif
#ifdef _WIN32
#include "XGetopt.h"
#endif
int startedAt;
int lastTransitionAt;
#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) {
throw;
tried_throw = true;
} 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();
}
int main(int argc, char** argv) {
using namespace uscxml;
std::set_terminate(customTerminate);
#if defined(HAS_SIGNAL_H) && !defined(WIN32)
signal(SIGPIPE, SIG_IGN);
#endif
google::InitGoogleLogging(argv[0]);
google::LogToStderr();
InterpreterState state;
int iterations = 1;
while(iterations--) {
if (1) {
// syntactic xml parse error
const char* xml = "<invalid>";
Interpreter interpreter = Interpreter::fromXML(xml);
state = interpreter.getState();
assert(!interpreter);
assert(state == uscxml::InterpreterState::USCXML_FAULTED);
std::cout << interpreter.getState() << std::endl;
}
if (1) {
// semantic xml parse error
const char* xml = "<invalid />";
Interpreter interpreter = Interpreter::fromXML(xml);
state = interpreter.getState();
assert(state == uscxml::InterpreterState::USCXML_INSTANTIATED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_FAULTED);
std::cout << interpreter.getState() << std::endl;
}
if (1) {
// single macrostep, multiple runs
const char* xml =
"<scxml>"
" <state id=\"start\">"
" <transition target=\"done\" />"
" </state>"
" <final id=\"done\" />"
"</scxml>";
Interpreter interpreter = Interpreter::fromXML(xml);
assert(interpreter.getState() == uscxml::InterpreterState::USCXML_INSTANTIATED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_MICROSTEPPED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_FINISHED);
interpreter.reset();
assert(interpreter.getState() == uscxml::InterpreterState::USCXML_INSTANTIATED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_MICROSTEPPED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_FINISHED);
interpreter.reset();
assert(interpreter.getState() == uscxml::InterpreterState::USCXML_INSTANTIATED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_MICROSTEPPED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_FINISHED);
interpreter.reset();
assert(interpreter.getState() == uscxml::InterpreterState::USCXML_INSTANTIATED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_MICROSTEPPED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_FINISHED);
}
if (1) {
// two microsteps
const char* xml =
"<scxml>"
" <state id=\"start\">"
" <transition target=\"s2\" />"
" </state>"
" <state id=\"s2\">"
" <transition target=\"done\" />"
" </state>"
" <final id=\"done\" />"
"</scxml>";
Interpreter interpreter = Interpreter::fromXML(xml);
assert(interpreter.getState() == uscxml::InterpreterState::USCXML_INSTANTIATED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_MICROSTEPPED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_MICROSTEPPED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_FINISHED);
}
if (0) {
// macrostep in between
const char* xml =
"<scxml>"
" <state id=\"start\">"
" <onentry>"
" <send event=\"continue\" delay=\"2s\"/>"
" </onentry>"
" <transition target=\"s2\" event=\"continue\" />"
" </state>"
" <state id=\"s2\">"
" <transition target=\"done\" />"
" </state>"
" <final id=\"done\" />"
"</scxml>";
Interpreter interpreter = Interpreter::fromXML(xml);
assert(interpreter.getState() == uscxml::InterpreterState::USCXML_INSTANTIATED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_IDLE);
assert(interpreter.step(true) == uscxml::InterpreterState::USCXML_MACROSTEPPED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_MICROSTEPPED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_FINISHED);
interpreter.reset();
assert(interpreter.getState() == uscxml::InterpreterState::USCXML_INSTANTIATED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_IDLE);
assert(interpreter.step(true) == uscxml::InterpreterState::USCXML_MACROSTEPPED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_MICROSTEPPED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_FINISHED);
}
if (1) {
// macrostep in between, external event
const char* xml =
"<scxml>"
" <state id=\"start\">"
" <transition target=\"s2\" event=\"continue\" />"
" </state>"
" <state id=\"s2\">"
" <transition target=\"done\" />"
" </state>"
" <final id=\"done\" />"
"</scxml>";
Interpreter interpreter = Interpreter::fromXML(xml);
assert(interpreter.getState() == uscxml::InterpreterState::USCXML_INSTANTIATED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_IDLE);
interpreter.receive(Event("continue"));
assert(interpreter.step(true) == uscxml::InterpreterState::USCXML_MACROSTEPPED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_MICROSTEPPED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_FINISHED);
interpreter.reset();
assert(interpreter.getState() == uscxml::InterpreterState::USCXML_INSTANTIATED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_IDLE);
interpreter.receive(Event("continue"));
assert(interpreter.step(true) == uscxml::InterpreterState::USCXML_MACROSTEPPED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_MICROSTEPPED);
assert(interpreter.step() == uscxml::InterpreterState::USCXML_FINISHED);
}
if (1) {
// macrostep in between, external event
const char* xml =
"<scxml>"
" <state id=\"start\">"
" <transition target=\"s2\" event=\"continue\" />"
" </state>"
" <state id=\"s2\">"
" <transition target=\"done\" />"
" </state>"
" <final id=\"done\" />"
"</scxml>";
Interpreter interpreter = Interpreter::fromXML(xml);
interpreter.start();
// assume interpreter is started
assert(interpreter.getState() & InterpreterState::USCXML_THREAD_STARTED);
tthread::this_thread::sleep_for(tthread::chrono::milliseconds(100));
// assume it is started and running
std::cout << interpreter.getState() << std::endl;
assert(interpreter.getState() & InterpreterState::USCXML_THREAD_STARTED);
assert(interpreter.getState() & InterpreterState::USCXML_THREAD_RUNNING);
assert(interpreter.getState() & InterpreterState::USCXML_IDLE);
interpreter.receive(Event("continue"));
tthread::this_thread::sleep_for(tthread::chrono::milliseconds(200));
std::cout << interpreter.getState() << std::endl;
int state = interpreter.getState();
assert(state & InterpreterState::USCXML_FINISHED);
assert(!(state & InterpreterState::USCXML_THREAD_STARTED));
assert(!(state & InterpreterState::USCXML_THREAD_RUNNING));
}
}
return EXIT_SUCCESS;
}
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