Module: Saikuro

Defined in:

lib/metric_fu/saikuro/saikuro.rb

Class Method Summary

• .analyze(files, state_formater, token_count_formater, output_dir) ⇒ Object

Class Method Details

.analyze(files, state_formater, token_count_formater, output_dir) ⇒ Object

# File 'lib/metric_fu/saikuro/saikuro.rb', line 1021

def Saikuro.analyze(files, state_formater, token_count_formater, output_dir)

  idx_states = Array.new
  idx_tokens = Array.new

  # parse each file
  files.each do |file|
    begin
      STDOUT.puts "Parsing #{file}"
      # create top state
      top = ParseState.make_top_state
      STDOUT.puts "TOP State made" if $VERBOSE
      token_counter = TokenCounter.new
      ParseState.set_token_counter(token_counter)
      token_counter.set_current_file(file)

      STDOUT.puts "Setting up Lexer" if $VERBOSE
      lexer = RubyLex.new
      # Turn of this, because it aborts when a syntax error is found...
      lexer.exception_on_syntax_error = false
      lexer.set_input(File.new(file,"r"))
      top.lexer = lexer
      STDOUT.puts "Parsing" if $VERBOSE
      top.parse


      fdir_path = seperate_file_from_path(file)
      FileUtils.makedirs("#{output_dir}/#{fdir_path}")

      if state_formater
        # output results
        state_io = StringIO.new
        state_formater.start(state_io)
        top.compute_state(state_formater)
        state_formater.end

        fname = "#{file}_cyclo.html"
        puts "writing cyclomatic #{file}" if $VERBOSE
        File.open("#{output_dir}/#{fname}","w") do |f|
          f.write state_io.string
        end
        idx_states<< [
          fname,
          state_formater.warnings.dup,
          state_formater.errors.dup,
        ]
      end

      if token_count_formater
        token_io = StringIO.new
        token_count_formater.start(token_io)
        token_counter.list_tokens_per_line(token_count_formater)
        token_count_formater.end

        fname = "#{file}_token.html"
        puts "writing token #{file}" if $VERBOSE
        File.open("#{output_dir}/#{fname}","w") do |f|
          f.write token_io.string
        end
        idx_tokens<< [
          fname,
          token_count_formater.warnings.dup,
          token_count_formater.errors.dup,
        ]
      end

    rescue RubyLex::SyntaxError => synerr
      STDOUT.puts "Lexer error for file #{file} on line #{lexer.line_no}"
      STDOUT.puts "#{synerr.class.name} : #{synerr.message}"
    rescue StandardError => err
      STDOUT.puts "Error while parsing file : #{file}"
      STDOUT.puts err.class,err.message,err.backtrace.join("\n")
    rescue Exception => ex
      STDOUT.puts "Error while parsing file : #{file}"
      STDOUT.puts ex.class,ex.message,ex.backtrace.join("\n")
    end
  end

  [idx_states, idx_tokens]
end