59 lines
1.3 KiB
Ruby
59 lines
1.3 KiB
Ruby
#!/usr/bin/ruby
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# This file is part of Metasm, the Ruby assembly manipulation suite
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# Copyright (C) 2006-2009 Yoann GUILLOT
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#
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# Licence is LGPL, see LICENCE in the top-level directory
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# this is a ruby code cleaner tool
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# it passes its argument to ruby -v -c, which displays warnings (eg unused variable)
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# it shows the incriminated line along the warning, to help identify false positives
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# probably linux-only, and need ruby-1.9.1 or newer
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def lint(tg)
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if File.symlink?(tg)
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# nothing
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elsif File.directory?(tg)
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Dir.entries(tg).each { |ent|
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next if ent == '.' or ent == '..'
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ent = File.join(tg, ent)
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lint(ent) if File.directory?(ent) or ent =~ /\.rb$/
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}
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else
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lint_file(tg)
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end
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end
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def lint_file(tg)
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flines = nil
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compile_warn(tg).each_line { |line|
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file, lineno, warn = line.split(/\s*:\s*/, 3)
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if file == tg
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if not flines
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puts "#{tg}:"
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flines = File.readlines(file) #File.open(file, 'rb') { |fd| fd.readlines }
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end
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puts " l.#{lineno}: #{warn.strip}: #{flines[lineno.to_i-1].strip.inspect}"
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end
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}
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puts if flines
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end
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def compile_warn(tg)
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r, w = IO.pipe('binary')
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if !fork
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r.close
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$stderr.reopen w
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$stdout.reopen '/dev/null'
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exec 'ruby', '-v', '-c', tg
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exit!
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else
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w.close
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end
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r
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end
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ARGV << '.' if ARGV.empty?
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ARGV.each { |arg| lint arg }
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