Class: MemoryProfiler::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/memory_profiler/cli.rb

Constant Summary collapse

BIN_NAME = 
"ruby-memory-profiler"
VERSION_INFO = 
"#{BIN_NAME}  #{MemoryProfiler::VERSION}"
STATUS_SUCCESS = 
0
STATUS_ERROR = 
1
DEFAULTS = 
{
  ignore_files: "memory_profiler/lib"
}.freeze

Instance Method Summary collapse

Instance Method Details

#run(argv) ⇒ Object 



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# File 'lib/memory_profiler/cli.rb', line 17

def run(argv)
  options = {}
  parser = option_parser(options)
  parser.parse!(argv)

  options = DEFAULTS.merge(options)

  # Make sure the user specified at least one file
  unless (script = argv.shift)
    puts parser
    puts ""
    puts "#{VERSION_INFO}  |  ERROR: Must specify a script to run"
    return STATUS_ERROR
  end

  if script == "run"
    # We are profiling a command.
    profile_command(options, argv)
  else
    # We are profiling a ruby file.
    begin
      MemoryProfiler.start(options)
      load(script)
    ensure
      report = MemoryProfiler.stop
      report.pretty_print(**options)
    end
    STATUS_SUCCESS
  end
rescue OptionParser::InvalidOption, OptionParser::InvalidArgument, OptionParser::MissingArgument => e
  puts parser
  puts e.message
  STATUS_ERROR
end