64 lines
1.7 KiB
Python
64 lines
1.7 KiB
Python
import gdb
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from typing import Optional, Union
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class Value(gdb.Value):
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def __init__(self, value: Union[gdb.Value, "Value"]):
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super().__init__(value)
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def __getitem__(self, key):
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try:
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value = super().__getitem__(key)
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except gdb.error:
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value = super().__getattr__(key)
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return Value(value)
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def __getattr__(self, key):
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if hasattr(super(), key):
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return Value(super().__getattribute__(key))
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return Value(super().__getitem__(key))
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def cast(
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self, type_name: Union[str, gdb.Type], ptr: bool = False
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) -> Optional["Value"]:
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try:
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gdb_type = (
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gdb.lookup_type(type_name) if isinstance(type_name, str) else type_name
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)
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if ptr:
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gdb_type = gdb_type.pointer()
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return Value(super().cast(gdb_type))
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except gdb.error:
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return None
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def super_value(self, attr: str) -> "Value":
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return self[attr]
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def as_string(self):
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"""Convert to string if possible"""
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try:
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return self.string()
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except gdb.error:
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return str(self)
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def __str__(self):
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"""Provide better string representation for debugging"""
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try:
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ptr_val = int(self)
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return f"({self.type})0x{ptr_val:x}"
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except gdb.error:
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pass
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return super().__str__()
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def __repr__(self):
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"""Provide detailed representation"""
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try:
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content = self.dereference()
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return f"Value({self.__str__()}: {content})"
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except gdb.error:
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pass
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return f"Value({self.__str__()})"
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