Unpickling logic in Dotty

gistfile1.txt

ClassFileLoader (SymbolLoader)
       |
       v
ClassFileParser
       |
       v
       run()
       |
       v
       parseClass()
       |
       v
       unpickleOrParseInnerClass()
       |
       v
       unpickleTASTY()
       |
       v
DottyUnpickler (TreeProvider (a marker trait with a `rootTrees` method))
       |
       v
       enter(classRoot, moduleRoot) // SymDenotations
       |
       v
TastyUnpickler
       * reads header
       * reads name table
       * creates readers for each section
       - unpickle() // unpickle a given section
       |
       v
SectionUnpickler
       |
       v
TreeUnpickler (main unpickling logic)