Commit 750125a3 authored by Rene Saarsoo's avatar Rene Saarsoo
Browse files

Colored output of warnings and errors. 

Only in UNIX.
parent 5c3940d8

lib/jsduck/logger.rb

+27 −3
Original line number Diff line number Diff line
@@ -92,7 +92,7 @@ module JsDuck 
    #

    # Optionally filename and line number will be inserted to message.

    def warn(type, msg, filename=nil, line=nil)

      msg = "Warning: " + format(filename, line) + " " + msg

      msg = paint(:yellow, "Warning: ") + format(filename, line) + " " + msg



      if type == nil || @warnings[type]

        if !@shown_warnings[msg]
@@ -115,17 +115,41 @@ module JsDuck 
          out += ":#{line}:"

        end

      end

      out

      paint(:magenta, out)

    end



    # Prints fatal error message with backtrace.

    # The error param should be $! from resque block.

    def fatal(msg, error)

      puts "#{msg}: #{error}"

      puts "#{paint(:red, msg)}: #{error}"

      puts

      puts "Here's a full backtrace:"

      puts error.backtrace

    end



    private



    COLORS = {

      :black   => "\e[30m",

      :red     => "\e[31m",

      :green   => "\e[32m",

      :yellow  => "\e[33m",

      :blue    => "\e[34m",

      :magenta => "\e[35m",

      :cyan    => "\e[36m",

      :white   => "\e[37m",

    }



    CLEAR = "\e[0m"



    # Helper for doing colored output in UNIX terminal

    def paint(color_name, msg)

      if OS.windows?

        msg

      else

        COLORS[color_name] + msg + CLEAR

      end

    end

  end



end