class Object

# File lib/puppet-lint/plugins/duplicate_class_parameters.rb, line 2
def check
  class_indexes.each do |class_idx|
    seen = Hash.new(0)
    inside = nil
    level = 0

    # if there are no params there is nothing to do, return early.
    return if class_idx[:param_tokens].nil?

    class_idx[:param_tokens].each do |token|
      class_name = class_idx[:name_token].value

      case token.type
      when :LBRACK, :LBRACE
        level += 1
      when :RBRACK, :RBRACE
        level -= 1
      end

      next unless level.zero?

      if token.type == :VARIABLE
        next_type = token.next_code_token.type

        # handling for lines with an equals and a variable on the rhs
        if next_type == :EQUALS
          inside = true

          two_away = token.next_code_token.next_code_token.type
          if two_away == :DQPRE
            inside = false
          end
        elsif next_type == :COMMA
          inside = false
        end

        # only proceed if we're at the end of a declaration.
        next if !inside

        param_name = token.value
        seen[param_name] += 1

        if seen[param_name] > 1
          # warning output shows the parameter location each additional time it's seen
          notify :warning, {
            :message => "found duplicate parameter '#{param_name}' in class '#{class_name}'",
            :line    => token.line,
            :column  => token.column,
          }
        end
      end
    end
  end
end