Class: Fire

Inherits:
Object
  • Object
show all
Defined in:
lib/ruby-fire.rb,
lib/ruby-fire/version.rb

Defined Under Namespace

Classes: TracePointTerminate

Constant Summary collapse

METHODS_CODE = 
'public_methods(false)+private_methods(false)'
TOPLEVEL_METHODS = 
TOPLEVEL_BINDING.eval(METHODS_CODE)
VERSION = 
'0.2.2'

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(rec = nil, program_name: nil, &block) ⇒ Fire

Returns a new instance of Fire.



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# File 'lib/ruby-fire.rb', line 109

def initialize(rec = nil, program_name: nil, &block)
  if rec.is_a?(Symbol)
    main = TOPLEVEL_BINDING.receiver
    rec = (main.method(rec) if main.private_methods.include?(rec) || main.methods.include?(rec))
  end
  @rec = rec || block || TOPLEVEL_BINDING
  @program_name = program_name
  @current_run_params = nil
end

Class Method Details

.fire(*args, **kwargs, &block) ⇒ Object 



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# File 'lib/ruby-fire.rb', line 12

def fire(*args, **kwargs, &block)
  res = new(*args, **kwargs, &block).run
  puts res.is_a?(String) ? res : res.pretty_inspect unless res.nil?
end

.method_arguments(func_parameters, params) ⇒ Object

rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity



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# File 'lib/ruby-fire.rb', line 28

def method_arguments(func_parameters, params) # rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity
  args = []
  kwargs = nil
  skip_opts = []
  func_parameters.each do |type, name, default|
    case type
    when :req
      args << params.delete(name) if params.include?(name)
    when :opt
      if params.include?(name)
        args << skip_opts.shift until skip_opts.empty?
        args << params.delete(name)
      else
        skip_opts << default
      end
    when :rest
      args.push(*(params.delete(name) || []))
    when :keyreq, :key
      (kwargs ||= {})[name] = params.delete(name) if params.include?(name)
    when :keyrest
      params.each_key do |key|
        (kwargs ||= {})[key] = params.delete(key)
      end
    end
  end
  [args, kwargs]
end

.new_method?(func) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ruby-fire.rb', line 57

def new_method?(func)
  func.is_a?(Method) && func.owner.is_a?(Class) && func.name == :new
end

.parameters_call(func, func_parameters, params, error = true) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/ruby-fire.rb', line 17

def parameters_call(func, func_parameters, params, error = true)
  args, kwargs = method_arguments(func_parameters, params)
  raise ArgumentError, "unknown keywords: #{params.keys.join(', ')}" if error && !params.empty?

  if kwargs
    func.call(*args, **kwargs)
  else
    func.call(*args)
  end
end

.trace_parameters(trace_func) ⇒ Object

rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity



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# File 'lib/ruby-fire.rb', line 61

def trace_parameters(trace_func) # rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity
  is_proc = trace_func.is_a?(Proc)
  func = new_method?(trace_func) ? trace_func.receiver.instance_method(:initialize) : trace_func

  mock_kwargs = nil
  func.parameters.each do |type, name|
    (mock_kwargs ||= {})[name] = nil if type == :keyreq
  end
  mock_arg_size = (func.arity.negative? ? ~func.arity : func.arity) - (mock_kwargs ? 1 : 0)
  mock_args = Array.new(mock_arg_size)

  [].tap do |results|
    counts = { call: 0, b_call: -1, c_call: -1 }
    trace = TracePoint.new(:call, :b_call, :c_call) do |tp|
      # :nocov:
      count = counts[tp.event] += 1
      next unless count.positive?

      if is_proc
        next unless tp.event == :b_call

        # It is difficult to skip extra block...
        vars = tp.binding.local_variables
        next unless func.parameters.all? { |_type, name| vars.include?(name) }
      else
        next if tp.event == :b_call
        next unless tp.defined_class == func.owner && tp.callee_id == func.name
      end

      func.parameters.each do |type, name|
        opt = %i[opt key].include?(type)
        results << [type, name, opt && name ? tp.binding.local_variable_get(name) : nil]
      end
      raise TracePointTerminate
      # :nocov:
    end
    trace.enable do
      if mock_kwargs
        trace_func.call(*mock_args, **mock_kwargs)
      else
        trace_func.call(*mock_args)
      end
    end
  rescue TracePointTerminate # rubocop:disable Lint/SuppressedException
  end
end

Instance Method Details

#parse!(argv = ARGV) ⇒ Object

rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity



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# File 'lib/ruby-fire.rb', line 209

def parse!(argv = ARGV) # rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity
  @opt = parser
  @params = {}
  args = @opt.parse!(argv, into: @params)
  if !args.empty? || @current_run_params.nil? || self.class.new_method?(@current_run_params.first)
    raise XOptionParser::InvalidArgument
  end
rescue XOptionParser::ParseError => e
  @current_run_params&.last&.each do |key|
    @opt = @opt.instance_variable_get(:@commands)[key.to_s].block.call
  end
  raise e
end

#parser ⇒ Object 



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# File 'lib/ruby-fire.rb', line 119

def parser
  XOptionParser.new do |opt|
    opt.program_name = @program_name if @program_name
    define_options(opt, [], @rec)
  end
end

#run(*args) ⇒ Object 



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# File 'lib/ruby-fire.rb', line 235

def run(*args)
  run!(*args)
rescue XOptionParser::ParseError
  puts @opt.help
  exit
end

#run!(*args) ⇒ Object 



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# File 'lib/ruby-fire.rb', line 230

def run!(*args)
  parse!(*args)
  current_run
end