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#!/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
config_code = File.read(config)
REPLACE = config_code.scan(/\bAC_(?:REPLACE|CHECK)_FUNCS?\((\w+)/).flatten
# REPLACE << 'memcmp' if /\bAC_FUNC_MEMCMP\b/ =~ config_code
REPLACE.push('main', 'DllMain')
missing = File.dirname(config) + "/missing/"
ARGV.reject! do |n|
unless (src = Dir.glob(missing + File.basename(n, ".*") + ".[cS]")).empty?
puts "Ignore #{n} because of #{src.map {|s| File.basename(s)}.join(', ')} under missing"
true
end
end
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
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