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ParseTree 1.5.0 Released

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Ryan Davis

Posts: 651
Nickname: zenspider
Registered: Oct, 2004

Ryan Davis is a ruby nerd.
ParseTree 1.5.0 Released Posted: Sep 24, 2006 3:08 PM
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Original Post: ParseTree 1.5.0 Released
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ParseTree version 1.5.0 has been released!

sudo gem install 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 parsetreeshow, which lets you quickly snoop code.
    • echo "1+1" | parsetreeshow -f for quick snippet output.
  • Includes parsetreeabc, which lets you get abc metrics on code.
    • abc metrics = numbers of assignments, branches, and calls.
    • whitespace independent metric for method complexity.
  • Includes parsetreedeps, 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

  • 5 minor enhancements:
    • Added parsetreeaudit.
    • Added reporting of unsupported nodes that have processors.
    • YAY! class method support! generated as :"self.blah"
    • Add parsetreefor_string.
    • Converted Rakefile+gemspec to Hoe-based Rakefile.
  • 6 bug fixes:

    • Did some preliminary work on 1.9 compatibility.
    • Fixed tests for some changes/clarifications.
    • Fixed resbody: should have nil exceptions list when no exception rescued.
    • Fixed opasgn1 and opasgn2.
    • Fixed incompatibility with new inline changes.
    • Fixed VALUE decl in parse_tree.rb
  • http://rubyforge.org/projects/parsetree/

  • http://www.zenspider.com/ZSS/Products/ParseTree/

Read: ParseTree 1.5.0 Released

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