Class: IRB::ExtendCommand::Ls

Inherits:
Nop show all
Defined in:
lib/irb/cmd/ls.rb

Instance Attribute Summary

Attributes inherited from Nop

#irb_context

Instance Method Summary collapse

Methods inherited from Nop

execute, #initialize, #irb

Constructor Details

This class inherits a constructor from IRB::ExtendCommand::Nop

Instance Method Details

#class_method_map(classes) ⇒ Object



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# File 'lib/irb/cmd/ls.rb', line 42

def class_method_map(classes)
  dumped = Set.new
  classes.reject { |mod| mod >= Object }.map do |mod|
    methods = mod.public_instance_methods(false).select { |m| dumped.add?(m) }
    [mod, methods]
  end.reverse
end

#dump_instance_methods(o, klass) ⇒ Object



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# File 'lib/irb/cmd/ls.rb', line 35

def dump_instance_methods(o, klass)
  maps = class_method_map(klass.ancestors)
  maps.each do |mod, methods|
    o.dump("#{mod}#methods", methods)
  end
end

#dump_singleton_methods(o, klass, obj) ⇒ Object



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# File 'lib/irb/cmd/ls.rb', line 27

def dump_singleton_methods(o, klass, obj)
  maps = class_method_map(obj.singleton_class.ancestors.take_while { |c| c != klass })
  maps.each do |mod, methods|
    name = mod == obj.singleton_class ? "#{klass}.methods" : "#{mod}#methods"
    o.dump(name, methods)
  end
end

#execute(*arg, grep: nil) ⇒ Object



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# File 'lib/irb/cmd/ls.rb', line 12

def execute(*arg, grep: nil)
  o = Output.new(grep: grep)

  obj    = arg.empty? ? irb_context.workspace.main : arg.first
  locals = arg.empty? ? irb_context.workspace.binding.local_variables : []
  klass  = (obj.class == Class || obj.class == Module ? obj : obj.class)

  o.dump("constants", obj.constants) if obj.respond_to?(:constants)
  dump_singleton_methods(o, klass, obj)
  dump_instance_methods(o, klass)
  o.dump("instance variables", obj.instance_variables)
  o.dump("class variables", klass.class_variables)
  o.dump("locals", locals)
end