data: parse typedefs

- added callbacks that will be called when clang encounters typedefs.
- added tests for this feature.

review id = 20

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src/lib/data/parser/Parser.h

@@ -7,6 +7,8 @@
 
 #include "data/parser/ParserClient.h"
 
+class TextAccess;
+
 class Parser
 {
 public:
@@ -14,6 +16,7 @@ public:
 	virtual ~Parser();
 
 	virtual void parseFiles(const std::vector<std::string>& filePaths) = 0;
+	virtual void parseFile(std::shared_ptr<TextAccess> textAccess) = 0;
 
 protected:
 	std::shared_ptr<ParserClient> m_client;