ParseTree 1.4.1 Released


#1

ParseTree version 1.4.1 has been released!

http://rubyforge.org/projects/parsetree/
http://www.zenspider.com/ZSS/Products/ParseTree/

** DESCRIPTION:

ParseTree is a C extension (using RubyInline) that extracts the parse
tree for an entire class or a specific method and returns it as a
s-expression (aka sexp) using ruby’s arrays, strings, symbols, and
integers.

As an example:

def conditional1(arg1)
if arg1 == 0 then
return 1
end
return 0
end

becomes:

[:defn,
:conditional1,
[:scope,
[:block,
[:args, :arg1],
[:if,
[:call, [:lvar, :arg1], :==, [:array, [:lit, 0]]],
[:return, [:lit, 1]],
nil],
[:return, [:lit, 0]]]]]

** FEATURES/PROBLEMS:

  • Uses RubyInline, so it just drops in.

  • Includes SexpProcessor and CompositeSexpProcessor.

    • Allows you to write very clean filters.
  • Includes parse_tree_show, which lets you quickly snoop code.

    • echo “1+1” | parse_tree_show -f for quick snippet output.
  • Includes parse_tree_abc, which lets you get abc metrics on code.

    • abc metrics = numbers of assignments, branches, and calls.
    • whitespace independent metric for method complexity.
  • Includes parse_tree_deps, which shows you basic class level
    dependencies.

  • Only works on methods in classes/modules, not arbitrary code.

  • Does not work on the core classes, as they are not ruby (yet).

    http://rubyforge.org/projects/parsetree/
    http://www.zenspider.com/ZSS/Products/ParseTree/

Changes:

  • 4 minor enhancements:

    • parse_tree_show -f output is much cleaner now.
    • ParseTree does a much more elegant job of handling different
      versions.
    • ParseTree now has all node names in ParseTree::NODE_NAMES.
    • ParseTree now raises exceptions instead of freakin’.
  • 3 bug fixes:

    • Used multiruby to test against 1.8.2-4, 1.8 cvs, and 1.9 cvs.
    • Fixed incompatibilites introduced in ruby 1.8.4.
    • Fixed some incompatibilites introduced in ruby 1.9.x.

    http://rubyforge.org/projects/parsetree/
    http://www.zenspider.com/ZSS/Products/ParseTree/