data: template arguments default parameters

* implemented parsing of template argument default parameters.
* added tests for default arguments of template parameters.

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src/lib/data/graph/Edge.h

@@ -17,20 +17,21 @@ public:
 	typedef int EdgeTypeMask;
 	enum EdgeType : EdgeTypeMask
 	{
-		EDGE_MEMBER						= 0x1,
-		EDGE_TYPE_OF					= 0x2,
-		EDGE_RETURN_TYPE_OF				= 0x4,
-		EDGE_PARAMETER_TYPE_OF			= 0x8,
-		EDGE_TYPE_USAGE					= 0x10,
-		EDGE_USAGE						= 0x20,
-		EDGE_CALL						= 0x40,
-		EDGE_INHERITANCE				= 0x80,
-		EDGE_TYPEDEF_OF					= 0x100,
-		EDGE_TEMPLATE_PARAMETER_OF		= 0x200,
-		EDGE_TEMPLATE_ARGUMENT_OF		= 0x400,
-		EDGE_TEMPLATE_SPECIALIZATION_OF	= 0x800,
+		EDGE_MEMBER							= 0x1,
+		EDGE_TYPE_OF						= 0x2,
+		EDGE_RETURN_TYPE_OF					= 0x4,
+		EDGE_PARAMETER_TYPE_OF				= 0x8,
+		EDGE_TYPE_USAGE						= 0x10,
+		EDGE_USAGE							= 0x20,
+		EDGE_CALL							= 0x40,
+		EDGE_INHERITANCE					= 0x80,
+		EDGE_TYPEDEF_OF						= 0x100,
+		EDGE_TEMPLATE_PARAMETER_OF			= 0x200,
+		EDGE_TEMPLATE_ARGUMENT_OF			= 0x400,
+		EDGE_TEMPLATE_DEFAULT_ARGUMENT_OF	= 0x800,
+		EDGE_TEMPLATE_SPECIALIZATION_OF		= 0x1000,
 
-		EDGE_AGGREGATION				= 0x1000
+		EDGE_AGGREGATION					= 0x2000
 	};
 
 	Edge(EdgeType type, Node* from, Node* to);