coan

Tool for extraction of stylometric features from Java projects based on JavaParser.

Results can be saved in .csv format.

Features that can be collected:

• Visual representation of ASTs of methods in xml-format;
• Methods, number of:
  • methods, characters, lines, parameters, lambdas
• Variables, number of:
  • local variables
  • fields
  • private fields
  • public fields
  • length of fields' names
  • length of variables' names
• Number of classes, interfaces, inner-classes
• Number of keywords:
  • for, while, if, else, else-if, ternary operators, break, continue, null
• Number of constants:
  • int, String, char
• Number of comments:
  • JavaDoc, line comments, block comments
• Layout, number of:
  • Lines, empty lines, tabs, spaces, total length of file
• Layout features:
  • Punctuation before '{' brace
  • Tabs or spaces in the beginning of lines
• Ast-based:
  • Maximal depth
  • Average depth of vertices by type
  • TF of vertices by type