Class: Benchcc::Clang

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

Overview

class Compiler

Instance Method Summary collapse

Methods inherited from Compiler

#compile_code, 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 87

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

Instance Method Details

#compile_file(file, *args) ⇒ Object

Raises:



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# File 'lib/benchcc/compiler.rb', line 92

def compile_file(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)

  result = CompilationResult.new
  result.stderr = stderr
  result.stdout = stdout
  result.code = file.read
  result.command_line = command
  raise CompilationError.new(result) unless status.success?

  result.peak_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
  }
  result.wall_time = stderr.match(section["Miscellaneous Ungrouped Timers"])
                           .to_s.match(/(\d+\.?\d+).+?Total/)[1]
  return result
end

#constexpr_depth ⇒ Object 



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# File 'lib/benchcc/compiler.rb', line 126

def constexpr_depth; 512; end

#template_depth ⇒ Object 



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# File 'lib/benchcc/compiler.rb', line 125

def template_depth;  256; end