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/**
* @file
* @author 2016 Stefan Radomski (stefan.radomski@cs.tu-darmstadt.de)
* @copyright Simplified BSD
*
* @cond
* This program is free software: you can redistribute it and/or modify
* it under the terms of the FreeBSD license as published by the FreeBSD
* project.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the FreeBSD license along with this
* program. If not, see <http://www.opensource.org/licenses/bsd-license>.
* @endcond
*/
#ifndef INTERPRETERMONITOR_H_D3F21429
#define INTERPRETERMONITOR_H_D3F21429
#include "uscxml/Common.h"
#include "uscxml/messages/Event.h"
#include "uscxml/interpreter/Logging.h"
#include "uscxml/debug/InterpreterIssue.h"
#include <mutex>
#define USCXML_MONITOR_CATCH(callback) \
catch (Event e) { LOG(USCXML_ERROR) << "Syntax error when calling " #callback " on monitors: " << std::endl << e << std::endl; } \
catch (std::bad_weak_ptr e) { LOG(USCXML_ERROR) << "Unclean shutdown " << std::endl; } \
catch (...) { LOG(USCXML_ERROR) << "An exception occurred when calling " #callback " on monitors"; } \
if (_state == USCXML_DESTROYED) { throw std::bad_weak_ptr(); }
#define USCXML_MONITOR_CALLBACK(callbacks, function) { \
Interpreter inptr = _callbacks->getInterpreter(); \
for (auto callback : callbacks) { callback->function(inptr); } }
#define USCXML_MONITOR_CALLBACK1(callbacks, function, arg1) { \
Interpreter inptr = _callbacks->getInterpreter(); \
for (auto callback : callbacks) { callback->function(inptr, arg1); } }
#define USCXML_MONITOR_CALLBACK2(callbacks, function, arg1, arg2) { \
Interpreter inptr = _callbacks->getInterpreter(); \
for (auto callback : callbacks) { callback->function(inptr, arg1, arg2); } }
// forward declare
namespace XERCESC_NS {
class DOMElement;
}
namespace uscxml {
class Interpreter;
class USCXML_API InterpreterMonitor {
public:
InterpreterMonitor() : _copyToInvokers(false) {
_logger = Logger::getDefault();
}
InterpreterMonitor(Logger logger) : _copyToInvokers(false), _logger(logger) {}
virtual ~InterpreterMonitor() {}
virtual void beforeProcessingEvent(Interpreter& interpreter, const Event& event) {}
virtual void beforeMicroStep(Interpreter& interpreter) {}
virtual void beforeExitingState(Interpreter& interpreter, const XERCESC_NS::DOMElement* state) {}
virtual void afterExitingState(Interpreter& interpreter, const XERCESC_NS::DOMElement* state) {}
virtual void beforeExecutingContent(Interpreter& interpreter, const XERCESC_NS::DOMElement* execContent) {}
virtual void afterExecutingContent(Interpreter& interpreter, const XERCESC_NS::DOMElement* execContent) {}
virtual void beforeUninvoking(Interpreter& interpreter, const XERCESC_NS::DOMElement* invokeElem, const std::string& invokeid) {}
virtual void afterUninvoking(Interpreter& interpreter, const XERCESC_NS::DOMElement* invokeElem, const std::string& invokeid) {}
virtual void beforeTakingTransition(Interpreter& interpreter, const XERCESC_NS::DOMElement* transition) {}
virtual void afterTakingTransition(Interpreter& interpreter, const XERCESC_NS::DOMElement* transition) {}
virtual void beforeEnteringState(Interpreter& interpreter, const XERCESC_NS::DOMElement* state) {}
virtual void afterEnteringState(Interpreter& interpreter, const XERCESC_NS::DOMElement* state) {}
virtual void beforeInvoking(Interpreter& interpreter, const XERCESC_NS::DOMElement* invokeElem, const std::string& invokeid) {}
virtual void afterInvoking(Interpreter& interpreter, const XERCESC_NS::DOMElement* invokeElem, const std::string& invokeid) {}
virtual void afterMicroStep(Interpreter& interpreter) {}
virtual void onStableConfiguration(Interpreter& interpreter) {}
virtual void beforeCompletion(Interpreter& interpreter) {}
virtual void afterCompletion(Interpreter& interpreter) {}
virtual void reportIssue(Interpreter& interpreter, const InterpreterIssue& issue) {}
void copyToInvokers(bool copy) {
_copyToInvokers = copy;
}
bool copyToInvokers() {
return _copyToInvokers;
}
protected:
bool _copyToInvokers;
Logger _logger;
};
class USCXML_API StateTransitionMonitor : public uscxml::InterpreterMonitor {
public:
StateTransitionMonitor(std::string prefix = "") : _logPrefix(prefix) {}
virtual ~StateTransitionMonitor() {}
virtual void beforeTakingTransition(Interpreter& interpreter, const XERCESC_NS::DOMElement* transition);
virtual void beforeExecutingContent(Interpreter& interpreter, const XERCESC_NS::DOMElement* element);
virtual void onStableConfiguration(Interpreter& interpreter);
virtual void beforeProcessingEvent(Interpreter& interpreter, const uscxml::Event& event);
virtual void beforeExitingState(Interpreter& interpreter, const XERCESC_NS::DOMElement* state);
virtual void beforeEnteringState(Interpreter& interpreter, const XERCESC_NS::DOMElement* state);
virtual void beforeMicroStep(Interpreter& interpreter);
protected:
static std::recursive_mutex _mutex;
std::string _logPrefix;
};
}
#endif /* end of include guard: INTERPRETERMONITOR_H_D3F21429 */
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