snapshot before regression test

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2026-07-18 19:25:40 +08:00
commit 796222a300
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includes/_variant.py Normal file
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import t, c
from stdint import *
# Variant 类型标签 (固定枚举 + 自定义 PTR)
VARIANT_NONE: t.CDefine = 0 # 无类型/空值
VARIANT_INT: t.CDefine = 1 # int (i64)
VARIANT_FLOAT: t.CDefine = 2 # float (f32)
VARIANT_DOUBLE: t.CDefine = 3 # double (f64)
VARIANT_STR: t.CDefine = 4 # str (i8*)
VARIANT_DICT: t.CDefine = 5 # dict*
VARIANT_LIST: t.CDefine = 6 # list*
VARIANT_BOOL: t.CDefine = 7 # bool (i1/i32)
VARIANT_PTR: t.CDefine = 8 # 自定义指针类型
class Variant:
"""通用变体类型,存储类型标签 + 无类型指针。
用于 dict/list 的万能对象存储,支持嵌套和 JSON 序列化。
用法:
v: Variant = Variant(VARIANT_INT, t.CNeedPtr(42))
v2: Variant = Variant(VARIANT_STR, t.CNeedPtr("hello"))
# 获取值
ptr: t.CPtr = v.ptr
i: int = c.Deref(ptr)
"""
vtype: t.CInt
ptr: t.CPtr
def __init__(self, vtype: t.CInt, val: t.CNeedPtr):
"""构造 Variant。
val 使用 t.CNeedPtr 自动取地址(非指针值自动 alloca+store
注意: val 的生命周期由调用者管理Variant 仅存储指针。
"""
self.vtype = vtype
self.ptr = val
def is_none(self) -> t.CInt:
return self.vtype == VARIANT_NONE
def is_int(self) -> t.CInt:
return self.vtype == VARIANT_INT
def is_float(self) -> t.CInt:
return self.vtype == VARIANT_FLOAT
def is_double(self) -> t.CInt:
return self.vtype == VARIANT_DOUBLE
def is_str(self) -> t.CInt:
return self.vtype == VARIANT_STR
def is_dict(self) -> t.CInt:
return self.vtype == VARIANT_DICT
def is_list(self) -> t.CInt:
return self.vtype == VARIANT_LIST
def is_bool(self) -> t.CInt:
return self.vtype == VARIANT_BOOL
def is_ptr(self) -> t.CInt:
return self.vtype == VARIANT_PTR