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/parser/ParserClient.h

@@ -103,6 +103,8 @@ public:
 	virtual Id onTemplateRecordArgumentTypeParsed(
 		const ParseLocation& location, const std::vector<std::string>& templateArgumentTypeNameHierarchy,
 		const std::vector<std::string>& templateRecordNameHierarchy) = 0;
+	virtual Id onTemplateDefaultArgumentTypeParsed(
+		const ParseTypeUsage& type,	const std::vector<std::string>& templateArgumentTypeNameHierarchy) = 0;
 	virtual Id onTemplateRecordSpecializationParsed(
 		const ParseLocation& location, const std::vector<std::string>& specializedRecordNameHierarchy,
 		const RecordType specializedRecordType, const std::vector<std::string>& specializedFromNameHierarchy) = 0;

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

@@ -266,7 +266,18 @@ bool ASTVisitor::VisitEnumConstantDecl(clang::EnumConstantDecl* declaration)
 			utility::getDeclNameHierarchy(declaration)
 		);
 	}
+	return true;
+}
 
+bool ASTVisitor::VisitTemplateTypeParmDecl(clang::TemplateTypeParmDecl *declaration)
+{
+	if (declaration->hasDefaultArgument())
+	{
+		m_client->onTemplateDefaultArgumentTypeParsed(
+			getParseTypeUsage(declaration->getDefaultArgumentInfo()->getTypeLoc(), declaration->getDefaultArgument()),
+			utility::getDeclNameHierarchy(declaration)
+		);
+	}
 	return true;
 }
 

src/lib/data/parser/cxx/ASTVisitor.h

@@ -36,6 +36,7 @@ public:
 	virtual bool VisitEnumDecl(clang::EnumDecl* declaration); // enums
 	virtual bool VisitEnumConstantDecl(clang::EnumConstantDecl* declaration); // enum fields
 
+	virtual bool VisitTemplateTypeParmDecl(clang::TemplateTypeParmDecl *declaration);
 	virtual bool VisitClassTemplateDecl(clang::ClassTemplateDecl* declaration);
 	virtual bool VisitClassTemplatePartialSpecializationDecl(clang::ClassTemplatePartialSpecializationDecl* declaration);
 	virtual bool VisitFunctionTemplateDecl(clang::FunctionTemplateDecl *declaration);

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

@@ -121,7 +121,14 @@ namespace utility
 				LOG_ERROR("unhandled declaration type");
 			}
 			contextNameHierarchy = getContextNameHierarchy(declaration->getDeclContext());
-			contextNameHierarchy.push_back(declName);
+			if (clang::isa<clang::TemplateTypeParmDecl>(declaration))
+			{
+				contextNameHierarchy.back() += "::" + declName;
+			}
+			else
+			{
+				contextNameHierarchy.push_back(declName);
+			}
 		}
 		return contextNameHierarchy;
 	}