some more documentation

also call delete for objects created in parsers
as you can see, this is kind of ugly, maybe we should use a different structure there...

src/mrmc.cpp

@@ -107,6 +107,9 @@ int main(const int argc, const char* argv[]) {
 		delete s;
 	}
 	
+	delete labparser.getLabeling();
+	delete traparser.getMatrix();
+
 	LOG4CPLUS_INFO(logger, "Nothing more to do, exiting.");
 
 	return 0;

src/parser/readLabFile.cpp

@@ -46,6 +46,7 @@ namespace parser {
  *	@return The pointer to the created labeling object.
  */
 LabParser::LabParser(uint_fast64_t node_count, const char * filename)
+	: labeling(nullptr)
 {
 	/*
 	 *	open file

src/parser/readLabFile.h

@@ -11,11 +11,15 @@ namespace parser {
 
 /*!
  *	@brief Load label file and return initialized AtomicPropositionsLabeling object.
+ *
+ *	Note that this class creates a new AtomicPropositionsLabeling object that can
+ *	be accessed via getLabeling(). However, it will not delete this object!
  */
 class LabParser : Parser
 {
 	public:
 		LabParser(uint_fast64_t node_count, const char* filename);
+
 		mrmc::models::AtomicPropositionsLabeling* getLabeling()
 		{
 			return this->labeling;

src/parser/readTraFile.cpp

@@ -118,6 +118,7 @@ uint_fast32_t TraParser::firstPass(char* buf, uint_fast32_t &maxnode)
  */
 
 TraParser::TraParser(const char * filename)
+	: matrix(nullptr)
 {
 	/*
 	*	enforce locale where decimal point is '.'

src/parser/readTraFile.h

@@ -11,6 +11,9 @@ namespace parser {
 /*!
  *	@brief	Load transition system from file and return initialized
  *	StaticSparseMatrix object.
+ *
+ *	Note that this class creates a new StaticSparseMatrix object that can be
+ *	accessed via getMatrix(). However, it does not delete this object!
  */
 class TraParser : Parser
 {