XML Generation Specifications of Grammer can be seen in Compilers 2016 Assignment 3.pdf
Assignment3.l contails tokenizer and Assignment3.y contails grammer for C-lite/Decaf Programming Language.
AST.h contains definations of all nodes of AST.
PrintVisitor.cpp contains functions printing XML.
To compile => Enter make -B in terminal
To run => Enter ./a.out <inputFileName>
After running you will see "Success" or "Syntax Error" as output.
If you see "Success" XML_visitor.txt will contain the XML corresponding to the AST Tree