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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Lint
# This cop checks for `rescue` blocks with no body.
#
# @example
#
# # bad
# def some_method
# do_something
# rescue
# end
#
# # bad
# begin
# do_something
# rescue
# end
#
# # good
# def some_method
# do_something
# rescue
# handle_exception
# end
#
# # good
# begin
# do_something
# rescue
# handle_exception
# end
#
# @example AllowComments: true (default)
#
# # good
# def some_method
# do_something
# rescue
# # do nothing
# end
#
# # good
# begin
# do_something
# rescue
# # do nothing
# end
#
# @example AllowComments: false
#
# # bad
# def some_method
# do_something
# rescue
# # do nothing
# end
#
# # bad
# begin
# do_something
# rescue
# # do nothing
# end
class SuppressedException < Base
MSG = 'Do not suppress exceptions.'
def on_resbody(node)
return if node.body
return if cop_config['AllowComments'] && comment_between_rescue_and_end?(node)
add_offense(node)
end
private
def comment_between_rescue_and_end?(node)
ancestor = node.each_ancestor(:kwbegin, :def, :defs, :block).first
return unless ancestor
end_line = ancestor.loc.end.line
processed_source[node.first_line...end_line].any? { |line| comment_line?(line) }
end
end
end
end
end
Version data entries
35 entries across 35 versions & 3 rubygems