Class ImplicitClass

mypyc/irbuild/context.py:114–160

Contains information regarding implicitly generated classes. Implicit classes are generated for nested functions and generator functions. They are not explicitly defined in the source code. NOTE: This is both a concrete class and used as a base class.

class ImplicitClass:
    """Contains information regarding implicitly generated classes.

    Implicit classes are generated for nested functions and generator
    functions. They are not explicitly defined in the source code.

    NOTE: This is both a concrete class and used as a base class.
    """

    def __init__(self, ir: ClassIR) -> None:
        # The ClassIR instance associated with this class.
        self.ir = ir
        # The register associated with the 'self' instance for this generator class.
        self._self_reg: Value | None = None
        # Environment class registers are the local registers associated with instances of an
        # environment class, used for getting and setting attributes. curr_env_reg is the register
        # associated with the current environment. prev_env_reg is the self.__mypyc_env__ field
        # associated with the previous environment.
        self._curr_env_reg: Value | None = None
        self._prev_env_reg: Value | None = None

    @property
    def self_reg(self) -> Value:
        assert self._self_reg is not None
        return self._self_reg

    @self_reg.setter
    def self_reg(self, reg: Value) -> None:
        self._self_reg = reg

    @property
    def curr_env_reg(self) -> Value:
        assert self._curr_env_reg is not None
        return self._curr_env_reg

    @curr_env_reg.setter
    def curr_env_reg(self, reg: Value) -> None:
        self._curr_env_reg = reg

    @property
    def prev_env_reg(self) -> Value:
        assert self._prev_env_reg is not None
        return self._prev_env_reg

    @prev_env_reg.setter
    def prev_env_reg(self, reg: Value) -> None:
        self._prev_env_reg = reg


class GeneratorClass(ImplicitClass):