feat 新的运行时环境

This commit is contained in:
zzy
2025-11-20 11:22:37 +08:00
parent e22811f2f5
commit 5c24f35c87
23 changed files with 1755 additions and 0 deletions

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# vector_gdb.py
import gdb # type: ignore
from gdb.printing import PrettyPrinter # type: ignore
class VectorPrinter:
"""兼容新旧注册方式的最终方案"""
def __init__(self, val: gdb.Value):
self.val:gdb.Value = val
def check_type(self) -> bool:
"""类型检查(兼容匿名结构体)"""
try:
if self.val.type.code != gdb.TYPE_CODE_STRUCT:
return False
fields = self.val.type.fields()
if not fields:
return False
exp = ['size', 'cap', 'data']
for t in fields:
if t.name in exp:
exp.remove(t.name)
else:
return False
return True
except gdb.error:
return False
def to_string(self):
if not self.check_type():
return "Not a vector"
return "vector({} size={}, cap={})".format(
self.val.address,
self.val['size'],
self.val['cap'],
)
def display_hint(self):
return 'array'
def children(self):
"""生成数组元素(关键改进点)"""
if not self.check_type():
return []
size = int(self.val['size'])
cap = int(self.val['cap'])
data_ptr = self.val['data']
if cap == 0 or data_ptr == 0:
return []
# 使用 GDB 内置数组转换
array = data_ptr.dereference()
array = array.cast(data_ptr.type.target().array(cap - 1))
for i in range(size):
# state = "<used>" if i < size else "<unused>"
try:
value = array[i]
yield (f"[{i}] {value.type} {value.address}", value)
except gdb.MemoryError:
yield (f"[{i}]", "<invalid>")
# 注册方式一传统append方法您之前有效的方式self
def append_printer():
gdb.pretty_printers.append(
lambda val: VectorPrinter(val) if VectorPrinter(val).check_type() else None
)
# 注册方式二:新版注册方法(备用方案)
def register_new_printer():
class VectorPrinterLocator(PrettyPrinter):
def __init__(self):
super().__init__("vector_printer")
def __call__(self, val):
ret = VectorPrinter(val).check_type()
print(f"ret {ret}, type {val.type}, {[(i.name, i.type) for i in val.type.fields()]}")
return None
gdb.printing.register_pretty_printer(
gdb.current_objfile(),
VectorPrinterLocator()
)
# 双重注册保证兼容性
append_printer() # 保留您原来有效的方式
# register_new_printer() # 添加新版注册
class VectorInfoCommand(gdb.Command):
"""保持原有命令不变"""
def __init__(self):
super().__init__("vector_info", gdb.COMMAND_USER)
def invoke(self, argument, from_tty):
val = gdb.parse_and_eval(argument)
printer = VectorPrinter(val)
if not printer.check_type():
print("Invalid vector")
return
print("=== Vector Details ===")
print("Size:", val['size'])
print("Capacity:", val['cap'])
print("Elements:")
for name, value in printer.children():
print(f" {name}: {value}")
VectorInfoCommand()