1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00
ruby--ruby/tool/leaked-globals
Nobuyoshi Nakada 2b7454eb92
Update leaked-globals [Bug #16934]
* match uppercase types which would be global, other than [BDT]
* ignore `RUBY_` prefixed symbols
2020-06-04 17:00:52 +09:00

40 lines
964 B
Ruby
Executable file

#!/usr/bin/ruby
require_relative 'lib/colorize'
until ARGV.empty?
case ARGV[0]
when /\ASYMBOL_PREFIX=(.*)/
SYMBOL_PREFIX = $1
when /\ANM=(.*)/ # may be multiple words
NM = $1
else
break
end
ARGV.shift
end
config = ARGV.shift
count = 0
col = Colorize.new
REPLACE = File.read(config).scan(/\bAC_(?:REPLACE|CHECK)_FUNCS?\(\K\w+/)
print "Checking leaked global symbols..."
STDOUT.flush
IO.foreach("|#{NM} -Pgp #{ARGV.join(' ')}") do |line|
n, t, = line.split
next unless /[A-TV-Z]/ =~ t
next unless n.sub!(/^#{SYMBOL_PREFIX}/o, "")
next if n.include?(".")
next if /\A(?:Init_|InitVM_|RUBY_|ruby_|rb_|[Oo]nig|dln_|mjit_|coroutine_|nu(?:comp|rat)_)/ =~ n
next if REPLACE.include?(n)
puts col.fail("leaked") if count.zero?
count += 1
puts " #{n}"
end
case count
when 0
puts col.pass("none")
when 1
abort col.fail("1 un-prefixed symbol leaked")
else
abort col.fail("#{count} un-prefixed symbols leaked")
end