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Contents
require 'simplabs/excellent/checks/base'
module Simplabs
module Excellent
module Checks
# This check reports global variables. Global variables introduce strong dependencies between otherwise unrelated parts of code and their use is
# usually considered extremely bad style.
#
# ==== Applies to
#
# * global variables
class GlobalVariableCheck < Base
DEFAULT_WHITELIST = %w(! @ & ` ' + \d+ ~ = / \ , ; \. < > _ 0 * $ ? : " DEBUG FILENAME LOAD_PATH stdin stdout stderr VERBOSE -0 -a -d -F -i -I -l -p -v)
def initialize(options = {}) #:nodoc:
super
@whitelist = options[:whitelist] ||= DEFAULT_WHITELIST
@interesting_contexts = [Parsing::GvarContext, Parsing::GasgnContext]
@interesting_files = [/\.rb$/, /\.erb$/]
end
def evaluate(context) #:nodoc:
if context.is_a?(Parsing::GasgnContext) || !@whitelist.include?(context.full_name)
add_warning(context, 'Global variable {{variable}} used.', { :variable => context.full_name })
end
end
end
end
end
end
Version data entries
4 entries across 4 versions & 1 rubygems