Created
October 20, 2015 02:21
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| #!/usr/bin/env ruby | |
| require 'nokogiri' | |
| require 'colorize' | |
| require 'tempfile' | |
| # valgrind --xml=yes --xml-file=leak.xml --leak-check=full --error-limit=no \ | |
| # --num-callers=20 --partial-loads-ok=yes --undef-value-errors=no \ | |
| # ruby -Ilib test/image_test.rb | |
| def print_node node | |
| puts node.css('kind').text | |
| node.xpath('stack/frame').each do |f| | |
| fn = File.basename f.css('obj').text | |
| line = " #{fn}:#{f.css('fn').text} @ #{f.css('file').text}:#{f.css('line').text}" | |
| if fn =~ /libruby\.so/ || fn =~ /preload_memcheck/ | |
| puts line | |
| else | |
| puts line.green | |
| end | |
| end | |
| puts "==================" | |
| end | |
| BLACK_LIST_METHODS = %w( | |
| rb_add_method | |
| rb_define_singleton_method | |
| rb_class_boot | |
| rb_define_class_id_under | |
| rb_define_module_function | |
| ) | |
| unless ARGV.include? '--' | |
| $stderr.puts "Usage: #{$0} [keyword] -- cmdline" | |
| exit 1 | |
| end | |
| if ARGV[0] == '--' | |
| kw = nil | |
| else | |
| kw = ARGV.shift | |
| end | |
| ARGV.shift # '--' | |
| tmpout = Tempfile.new ['val', '.xml'] | |
| cmd = "valgrind --xml=yes --xml-file=#{tmpout.path} --leak-check=full \ | |
| --error-limit=no --num-callers=20 --partial-loads-ok=yes --undef-value-errors=no \ | |
| #{ARGV.join ' '}" | |
| $stderr.puts "running: #{cmd}" | |
| system cmd | |
| fail 'fail to run valgrind' unless $?.to_i == 0 | |
| $stderr.puts "valgrind done" | |
| # tmpout.close | |
| doc = Nokogiri::XML File.open(tmpout.path) | |
| doc.css('error').each do |e| | |
| objs = e.xpath('stack/frame/obj').map(&:text) | |
| methods = e.xpath('stack/frame/fn').map(&:text) | |
| if kw | |
| next unless objs.grep(/#{kw}/).size > 0 | |
| end | |
| next if methods.any?{|e| BLACK_LIST_METHODS.include? e} | |
| print_node e | |
| # exit | |
| end | |
| # tmpout.unlink |
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