Class: Benchcc::Clang

Inherits:
Compiler show all
Defined in:
lib/benchcc/compiler.rb

Overview

class Compiler

Instance Method Summary collapse

Methods inherited from Compiler

guess_from_binary, #to_s

Constructor Details

#initialize(binary) ⇒ Clang

Returns a new instance of Clang.



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# File 'lib/benchcc/compiler.rb', line 42

def initialize(binary)
  @exe = `which #{binary}`.strip
  raise "#{binary} not found" unless $?.success?
end

Instance Method Details

#compile(file, *args) ⇒ Object 



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# File 'lib/benchcc/compiler.rb', line 47

def compile(file, *args)
  file = Pathname.new(file).expand_path
  command = "/usr/bin/time -l #{@exe} #{args.join(' ')} -ftime-report #{file}"
  stdout, stderr, status = Open3.capture3(command)

  if status.success?
    memusg = stderr.match(/(\d+)\s+maximum/)[1].to_i

    section = -> (title) {
      title.gsub!(' ', '\s')
      /(
          ===-+===\n
          .*#{title}.*\n
          ===-+===\n
          (.|\n)+?(?====)
      )|(
          ===-+===\n
          .*#{title}.*\n
          ===-+===\n
          (.|\n)+
      )/x
    }
    time = stderr.match(section["Miscellaneous Ungrouped Timers"]).to_s
                 .match(/(\d+\.?\d+).+?Total/)[1]
    return {
      compilation_time: time,
      memory_usage: memusg
    }

  else
    err_string = "      > \#{command}\n      \#{stderr}\n\n      [compiling:\n      \#{file.read}\n      ]\n    EOS\n    raise CompilationError.new(err_string)\n  end\nend\n"