ParseTree 2.1.1 Released

(oops)

ParseTree version 2.1.1 has been released!

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]]]]]

  • Uses RubyInline, so it just drops in.
  • Includes SexpProcessor and CompositeSexpProcessor.
    • Allows you to write very clean filters.
  • Includes UnifiedRuby, allowing you to automatically rewrite ruby
    quirks.
  • ParseTree#parse_tree_for_string lets you parse arbitrary strings of
    ruby.
  • 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.
  • Does not work on the core classes, as they are not ruby (yet).

Changes:

2.1.1 / 2007-12-22

Ryan D. wrote:

(oops)

ParseTree version 2.1.1 has been released!

  • Includes UnifiedRuby, allowing you to automatically rewrite ruby
    quirks.

Where can I learn more about the ruby quirks this is designed to
overcome? What quirks? What’s going on?
Thanks!
-R

On Jul 19, 2008, at 21:47 , Roger P. wrote:

Ryan D. wrote:

(oops)

ParseTree version 2.1.1 has been released!

  • Includes UnifiedRuby, allowing you to automatically rewrite ruby
    quirks.

Where can I learn more about the ruby quirks this is designed to
overcome? What quirks? What’s going on?

read the code I guess. Last released version is only 187 lines. Next
version is currently 201 and will probably get a bit bigger, but not
by much.

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