class Sprockets::SourceFile

def ==(source_file)
  pathname == source_file.pathname
end

def each_source_line(&block)
  source_lines.each(&block)
end

def find(location, kind = :file)
  pathname.parent_pathname.find(location, kind)
end

def initialize(environment, pathname)
  @environment = environment
  @pathname = pathname
end

def mtime
  File.mtime(pathname.absolute_location)
rescue Errno::ENOENT
  0
end

def source_lines
  @lines ||= begin
    lines = []
    comments = []
    File.open(pathname.absolute_location) do |file|
      file.each do |line|
        lines << line = SourceLine.new(self, line, file.lineno)
        if line.begins_pdoc_comment? || comments.any?
          comments << line
        end
        if line.ends_multiline_comment?
          if line.ends_pdoc_comment?
            comments.each { |l| l.comment! }
          end
          comments.clear
        end
      end
    end
    lines
  end
end