Class: ObjspaceHelpers

Inherits:
Object
  • Object
show all
Defined in:
lib/objspace_helpers/helpers.rb,
lib/objspace_helpers/version.rb

Constant Summary collapse

VERSION = 
'0.0.2'

Class Method Summary collapse

Class Method Details

._addresses_to_info(ary) ⇒ Object 



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# File 'ext/objspace_helpers/objspace_helpers.c', line 24

static VALUE oh_addresses_to_info(VALUE self, VALUE ary)
{
  VALUE hash, obj_addr, info_hash;
  long i;

  hash = rb_hash_new();

  for (i = 0; i < RARRAY_LEN(ary); i += 1) {
    obj_addr = rb_ary_entry(ary, i);
    info_hash = rb_hash_new();
    objspace_info(oh_id2ref(self, obj_addr), info_hash);
    rb_hash_aset(hash, obj_addr, info_hash);
  }

  return hash;
}

._addresses_to_references(addresses) ⇒ Object 



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# File 'ext/objspace_helpers/objspace_helpers.c', line 47

static VALUE oh_addresses_to_references(VALUE self, VALUE addresses)
{
  VALUE hash, obj_addr, references;
  long i;

  hash = rb_hash_new();

  for (i = 0; i < RARRAY_LEN(addresses); i += 1) {
    obj_addr = rb_ary_entry(addresses, i);

    references = rb_ary_new();
    rb_objspace_reachable_objects_from(oh_id2ref(self, obj_addr), reachable_object_i, (void*)references);

    rb_hash_aset(hash, obj_addr, references);
  }

  return hash;
}

._dump_addresses ⇒ Object 



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# File 'ext/objspace_helpers/objspace_helpers.c', line 17

static VALUE oh_dump_addresses(VALUE self)
{
  VALUE ary = rb_ary_new();
  rb_objspace_each_objects(collect_addresses, (void *)ary);
  return ary;
}

._id2ref ⇒ Object

.diff(&block) ⇒ Object 



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# File 'lib/objspace_helpers/helpers.rb', line 14

def self.diff(&block)
  objs_before = dump_all_addresses
  block.call
  objs_after = dump_all_addresses
  objs_after - objs_before - [objs_after.object_id]
end

.dump_all_addresses ⇒ Object 



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# File 'lib/objspace_helpers/helpers.rb', line 2

def self.dump_all_addresses
  _dump_addresses
end

.info_for_address(addresses) ⇒ Object 



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# File 'lib/objspace_helpers/helpers.rb', line 6

def self.info_for_address(addresses)
  _addresses_to_info(addresses)
end

.info_for_obj(obj) ⇒ Object 



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# File 'lib/objspace_helpers/helpers.rb', line 10

def self.info_for_obj(obj)
  _addresses_to_info([obj.object_id]).values.first
end