Investigating the applicability of Software Metrics and Technical Debt on X++ Abstract Syntax Tree in XML format : calculations using XQuery expressions

University essay from Linköpings universitet/Institutionen för datavetenskap

Abstract: This thesis investigates how XML representation of X++ abstract syntax trees (AST) residing in an XML database can be subject to static code analysis. Microsoft Dynamics 365 for Finance & Operations comprises a large and complex corpus of X++ source code and intuitive ways of visualizing and analysing the state of the code base in terms of software metrics and technical debt are non-existent. A solution is to extend an internal web application and semantic search tool called SocrateX, to calculate software metrics and technical debt. This is done by creating a web service to construct XQuery and XPath code to be queried to the XML database. The values are stored in a relational database and imported to Power BI for intuitive visualization. Software metrics have been chosen based on the amount of previous research and compatibility with the X++ AST, whereas technical debt has been estimated using the SQALE method. This thesis concludes that XML representations of X++ abstract syntax trees are viable candidates for measuring quality of source codes with the use of functional query programming languages.

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