data: increased parse and graph assembly performance

* removed header search in subdirectories of header search paths
* cache file node ids in Storage for faster lookup
* retrieve node names from SearchIndex
* fixed addNodeAndAllChildren also called for member edges
* added check if node already present in addEdgeAndAllChildren

src/lib/data/parser/ParserClient.h

@@ -51,6 +51,9 @@ public:
 	ParserClient();
 	virtual ~ParserClient();
 
+	virtual void startParsing() = 0;
+	virtual void finishParsing() = 0;
+
 	virtual void prepareParsingFile() = 0;
 	virtual void finishParsingFile() = 0;
 

src/lib/data/parser/cxx/TaskParseCxx.cpp

@@ -31,6 +31,8 @@ void TaskParseCxx::enter()
 	{
 		m_sourcePaths.push(path.absolute().str());
 	}
+
+	m_client->startParsing();
 }
 
 Task::TaskState TaskParseCxx::update()
@@ -83,6 +85,10 @@ Task::TaskState TaskParseCxx::update()
 
 void TaskParseCxx::exit()
 {
+	MessageStatus("Building search index").dispatch();
+
+	m_client->finishParsing();
+
 	FileRegister* fileRegister = m_parser.getFileRegister();
 
 	MessageFinishedParsing(