message: udf_is_default_ctor
  Summary: Add IS_DEFAULT_CONSTRUCTOR udf
diff: @@ -127,6 +127,9 @@ def udf_opcode(opcode):
  def udf_is_coldstart(dex_id):
  return dex_id == "dex/0" or dex_id == "dex/1" or dex_id == "dex/2"
  +def udf_is_default_ctor(name):
  + return name == ';.<init>:()V'
  +
  # operates on fields.name
  class AggregateFieldShape:
  def __init__(self):
  @@ -152,6 +155,7 @@ conn.create_function("IS_SYNTHETIC", 1, udf_is_synthetic)
  conn.create_function("IS_ANNOTATION", 1, udf_is_annotation)
  conn.create_function("IS_ENUM", 1, udf_is_enum)
  conn.create_function("IS_CONSTRUCTOR", 1, udf_is_constructor)
  +conn.create_function("IS_DEFAULT_CONSTRUCTOR", 1, udf_is_default_ctor)
  conn.create_function("IS_VOLTRON_DEX", 1, udf_is_voltron_dex)
  conn.create_function("IS_INNER_CLASS", 1, udf_is_inner_class)
  conn.create_function("IS_ANON_CLASS", 1, udf_is_anon_class)
  