from dataclasses import dataclass, field
from sploit.types.index_entry import IndexEntry

@dataclass
class Gadget(IndexEntry):
    """
    Basic gadget description object

    base (int): The location this gadget is found at.  What `base` is relative
    to depends on context.

    asm (list[re.Match]): A list of assembly instructions matched by the gadget
    search query.
    """

    base: int = 0
    asm: list = field(default_factory=list)

    def __repr__(self):
        """Return human-readable Gadget."""
        s = hex(self.base)
        if len(self.asm) > 0:
            asm = "; ".join([ m.string for m in self.asm ])
            s += f", '{asm}'"
        return f"Gadget({s})"