from __future__ import annotations from typing import TYPE_CHECKING, List, Any if TYPE_CHECKING: from lib.core.translator import Translator from lib.core.LlvmCodeGenerator import LlvmCodeGenerator import vast as ast from enum import IntFlag, auto from llvmlite import ir as _ir from lib.constants import config as _config from lib.core import TypeSystem from lib.core.TypeSystem import CTypeRegistry from lib.core.TypeSpec import TypeSpec, SymbolMeta, FIELD_ROUTES from lib.core.SymbolUtils import ( IsPtrSubscriptNode, IsListAnnotation, IsCPtrMarkerNode, FlattenUnionOperands, IsI8DoublePtrType, IsClassRefPtrAnnotation, FixedArrayKeywordAnnotationError, FindAutoAddrMode) from lib.core.VLogger import get_logger as _vlog EXCEPTION_CODE_MAP: dict[str, int] = { 'ValueError': 1, 'TypeError': 2, 'RuntimeError': 3, 'ZeroDivisionError': 4, 'IndexError': 5, 'KeyError': 6, 'IOError': 7, 'OSError': 8, 'AssertionError': 9, 'Exception': 99, } class FuncMeta(IntFlag): NONE = 0 STATIC_METHOD = auto() PROPERTY_GETTER = auto() PROPERTY_SETTER = auto() PROPERTY_DELETER = auto() CLASS_METHOD = auto() ABSTRACT = auto() class _Delegated: """CTypeInfo 旧字段名委托描述符 — 静态委托到 _ts/_sm 的字段 替代旧的 FIELD_ROUTES + __setattr__/__getattr__ 动态路由: 描述符在类创建时绑定,访问时直接走 __get__/__set__, 无 dict 查找和字符串比较的运行时开销。 """ __slots__ = ('_target_attr', '_field_name') def __init__(self, target_attr: str, field_name: str) -> None: self._target_attr: str = target_attr # '_ts' or '_sm' self._field_name: str = field_name def __get__(self, obj: Any, objtype: type | None = None) -> Any: if obj is None: return self target: Any = object.__getattribute__(obj, self._target_attr) return getattr(target, self._field_name) def __set__(self, obj: Any, value: Any) -> None: target: Any = object.__getattribute__(obj, self._target_attr) setattr(target, self._field_name, value) class CTypeInfo: """ C 类型信息对象 - 统一符号表条目和类型计算 设计原则: - BaseType 是 CType 实例(内建类型),永远不使用硬编码字符串 - 描述符分为两种: - VarConst/VarVolatile: 变量本身(指针)的限定符,如 int * const - DataConst/DataVolatile: 指向数据的限定符,如 const int * 属性(类型计算): - BaseType: CType - 基础类型实例 (如 CInt(), CVoid()) - PtrCount: int - 指针层数 - VarConst: bool - 变量本身(指针)是否 const,如 int * const - VarVolatile: bool - 变量本身(指针)是否 volatile - DataConst: bool - 指向的数据是否 const,如 const int * - DataVolatile: bool - 指向的数据是否 volatile - ArrayDims: List[str] - 数组维度 - Storage: CType - 存储类 (static, extern 等) - IsFuncPtr: bool - 是否函数指针 - FuncPtrParams: List[Tuple[str, CTypeInfo]] - 函数指针参数列表,每个元素是 (参数名, 参数类型) - FuncPtrReturn: CTypeInfo - 函数指针返回类型 - IsBitField: bool - 是否位域 - BitWidth: int - 位域宽度 - IsTypedef/IsStruct/IsEnum/IsUnion: bool - 类型种类 属性(符号表元数据): - Name: str - 名称(struct/enum/union/typedef 名) - Members: Dict[str, CTypeInfo] - 成员字典(用于 struct/union) - OriginalType: str - typedef 的原始类型 - DeclaredType: str - 声明类型 - CreturnTypes: list - C 返回类型列表 - Lineno: int - 定义行号 - IsAnonymous: bool - 是否匿名类型 - IsCpythonObject: bool - 是否 CPython 对象 - IsEnumMember: bool - 是否枚举成员 """ def __init__(self) -> None: object.__setattr__(self, '_ts', TypeSpec()) sm: SymbolMeta = SymbolMeta() sm.meta_list = FuncMeta.NONE object.__setattr__(self, '_sm', sm) # --- 新公共 API:供新代码直接访问 TypeSpec / SymbolMeta / SymbolKind --- @property def ts(self) -> TypeSpec: """TypeSpec — 纯类型描述(只读)""" return self._ts @property def sm(self) -> SymbolMeta: """SymbolMeta — 符号表元数据(只读)""" return self._sm @property def kind(self) -> 'SymbolKind': """SymbolKind — 符号类型种类枚举""" return self._sm.kind # 注:旧字段名(PtrCount/IsStruct/Name 等)的委托通过 _Delegated 描述符实现, # 在模块末尾从 FIELD_ROUTES 静态绑定,无需 __setattr__/__getattr__ 动态路由 @property def BaseType(self) -> TypeSystem.CType | tuple | None: return self._ts._base_type @BaseType.setter def BaseType(self, value: TypeSystem.CType | type | tuple | List | None) -> None: """设置 BaseType,接受以下类型: - None: 清空 - CType 实例: 单个类型,自动设置 IsStruct/IsEnum/IsUnion 标志 - type (CType 子类): 如 CStruct,自动实例化 - tuple/list of CType: 多个组合类型 """ ts: TypeSpec = self._ts sm: SymbolMeta = self._sm if value is None: ts._base_type = None sm.is_struct = False sm.is_enum = False sm.is_union = False sm.is_renum = False return if isinstance(value, (tuple, list)): ts._base_type = tuple(value) for v in value: if isinstance(v, TypeSystem.CStruct): sm.is_struct = True elif isinstance(v, TypeSystem.CEnum): sm.is_enum = True elif isinstance(v, TypeSystem.CUnion): sm.is_union = True elif isinstance(v, TypeSystem.REnum): sm.is_renum = True sm.is_enum = True return if isinstance(value, type) and issubclass(value, TypeSystem.CType): ts._base_type = value() return if isinstance(value, TypeSystem.CType): ts._base_type = value if isinstance(value, TypeSystem.CStruct): sm.is_struct = True sm.is_enum = False sm.is_union = False sm.is_renum = False elif isinstance(value, TypeSystem.REnum): sm.is_renum = True sm.is_enum = True sm.is_struct = False sm.is_union = False elif isinstance(value, TypeSystem.CEnum): sm.is_enum = True sm.is_struct = False sm.is_union = False sm.is_renum = False elif isinstance(value, TypeSystem.CUnion): sm.is_union = True sm.is_struct = False sm.is_enum = False sm.is_renum = False return raise TypeError(f"BaseType must be CType instance, type subclass, or tuple of CType, got {type(value)}") @property def TypeCls(self) -> type | None: """获取 CType 类(从 BaseType 推断)""" bt: TypeSystem.CType | tuple | None = self._ts._base_type if bt: return type(bt) sm: SymbolMeta = self._sm if sm.is_struct: return TypeSystem.CStruct if sm.is_enum: return TypeSystem.CEnum if sm.is_union: return TypeSystem.CUnion if sm.is_typedef: return TypeSystem._CTypedef return None @property def IsPtr(self) -> bool: return self._ts.ptr_count > 0 @property def IsVoid(self) -> bool: return isinstance(self._ts._base_type, TypeSystem.CVoid) @property def IsStr(self) -> bool: return isinstance(self._ts._base_type, TypeSystem.CChar) and self._ts.ptr_count > 0 @property def IsInt(self) -> bool: bt: TypeSystem.CType | tuple | None = self._ts._base_type return isinstance(bt, TypeSystem.CType) and getattr(bt, 'IsSigned', None) is not None and bt.IsSigned is True and not isinstance(bt, TypeSystem.CVoid) @property def IsUInt(self) -> bool: bt: TypeSystem.CType | tuple | None = self._ts._base_type return isinstance(bt, TypeSystem.CType) and getattr(bt, 'IsSigned', None) is False @property def IsFloat(self) -> bool: bt: TypeSystem.CType | tuple | None = self._ts._base_type return isinstance(bt, TypeSystem.CType) and getattr(bt, 'IsSigned', None) is None and getattr(bt, 'Size', 0) in (32, 64, 128) and not isinstance(bt, TypeSystem.CVoid) def ToString(self) -> str: ts: TypeSpec = self._ts sm: SymbolMeta = self._sm bt: TypeSystem.CType | tuple | None = ts._base_type if ts.is_func_ptr: return 'Callable' parts: list[str] = [] if ts.storage and not isinstance(ts.storage, TypeSystem.CExport): parts.append(type(ts.storage).__name__) if ts.data_const or ts.data_volatile: qualifiers: list[str] = [] if ts.data_const: qualifiers.append("const") if ts.data_volatile: qualifiers.append("volatile") parts.append("_".join(qualifiers)) if sm.is_typedef and sm.name: return sm.name elif sm.is_renum and sm.name: base_name: str = sm.name elif bt: if isinstance(bt, str): base_name = bt elif isinstance(bt, type) and issubclass(bt, TypeSystem.CType): base_name = bt.__name__ elif isinstance(bt, TypeSystem.CType): # 对命名的 CType(CStruct/CEnum/CUnion/REnum),优先使用其 name 属性 # 否则回退到类名(如 'CInt'、'CChar') _named: str | None = getattr(bt, 'name', None) base_name = _named if _named else type(bt).__name__ else: base_name = str(bt) else: base_name = "void" if ts.is_array_ptr: ptr_str: str = "" if ts.ptr_count > 0: ptr_str = "*" * ts.ptr_count if ts.array_ptr: inner: str = ts.array_ptr.ToString() if ptr_str: parts.append(f"{base_name} {ptr_str}({inner})") else: parts.append(f"{base_name} ({inner})") else: if ptr_str: parts.append(f"{base_name} {ptr_str}()") else: parts.append(f"{base_name} ()") elif ts.array_ptr: inner = ts.array_ptr.ToString() if ts.ptr_count > 0: parts.append(f"{base_name} {'*' * ts.ptr_count}({inner})") else: parts.append(f"{base_name} ({inner})") else: parts.append(base_name) if ts.ptr_count > 0: parts.append("*" * ts.ptr_count) if ts.var_const: parts.append("const") if ts.var_volatile: parts.append("volatile") for dim in ts.array_dims: if dim: parts.append(f"[{dim}]") else: parts.append("[]") return " ".join(parts) if parts else "void" @staticmethod def CreateFromTypeName(TypeName: str) -> "CTypeInfo": """从类型名字符串创建 CTypeInfo(兼容旧 API)""" info: CTypeInfo = CTypeInfo() if TypeName.startswith('struct '): info.BaseType = TypeSystem.CStruct(name=TypeName[7:].strip()) if TypeName[7:].strip() else TypeSystem.CStruct() elif TypeName.startswith('enum '): info.BaseType = TypeSystem.CEnum(name=TypeName[5:].strip()) if TypeName[5:].strip() else TypeSystem.CEnum() elif TypeName.startswith('union '): info.BaseType = TypeSystem.CUnion(name=TypeName[6:].strip()) if TypeName[6:].strip() else TypeSystem.CUnion() else: info.BaseType = TypeSystem.CStruct(name=TypeName) return info # LLVM primitive type name → (CTypeClass, PtrCount) mapping # Used when generic type inference produces LLVM type names like 'i64', 'double', etc. _LLVM_PRIMITIVE_MAP: dict[str, tuple[type, int]] | None = None @classmethod def _get_llvm_primitive_map(cls) -> dict[str, tuple[type, int]]: if cls._LLVM_PRIMITIVE_MAP is not None: return cls._LLVM_PRIMITIVE_MAP cls._LLVM_PRIMITIVE_MAP = { 'void': (TypeSystem.CVoid, 0), 'i1': (TypeSystem.CInt, 0), 'i8': (TypeSystem.CChar, 0), 'i16': (TypeSystem.CShort, 0), 'i32': (TypeSystem.CInt, 0), 'i64': (TypeSystem.CLong, 0), 'i128': (TypeSystem.CInt, 0), 'float': (TypeSystem.CFloat, 0), 'double': (TypeSystem.CDouble, 0), 'fp128': (TypeSystem.CFloat128T, 0), } return cls._LLVM_PRIMITIVE_MAP @staticmethod def FromTypeName(TypeName: str) -> "CTypeInfo": """从简单类型名构造 CTypeInfo(不经过 FromStr 字符串解析)""" from lib.core.TypeAnnotationResolver import TypeAnnotationResolver return TypeAnnotationResolver.from_type_name(TypeName) # FromStr 已移除 - 类型解析不再经过中间字符串格式 # typedef 展开直接走 CTypeInfo 对象,不经过字符串解析 @staticmethod def TryEvalConstExpr(node: ast.AST, SymbolTable: Any) -> Any: from lib.core.TypeAnnotationResolver import TypeAnnotationResolver return TypeAnnotationResolver.try_eval_const_expr(node, SymbolTable) @classmethod def FromNode(cls, Node: ast.AST, SymbolTable: Any) -> "CTypeInfo": """从 AST 节点解析 CTypeInfo(类方法) Args: Node: AST 节点(如 ast.Name, ast.Attribute 等) SymbolTable: 符号表字典 """ from lib.core.TypeAnnotationResolver import TypeAnnotationResolver return TypeAnnotationResolver.from_node(Node, SymbolTable) def Copy(self) -> "CTypeInfo": NewInfo: CTypeInfo = CTypeInfo() NewInfo._ts = self._ts.copy() NewInfo._sm = self._sm.copy() # CTypeInfo 引用字段需要深拷贝 if isinstance(NewInfo._ts.func_ptr_return, CTypeInfo): NewInfo._ts.func_ptr_return = NewInfo._ts.func_ptr_return.Copy() if isinstance(NewInfo._ts.original_type, CTypeInfo): NewInfo._ts.original_type = NewInfo._ts.original_type.Copy() if NewInfo._ts.array_ptr: NewInfo._ts.array_ptr = NewInfo._ts.array_ptr.Copy() return NewInfo def get(self, key: str, default: Any = None) -> Any: """获取额外属性""" return self._sm._extra.get(key, default) def set(self, key: str, value: Any) -> None: """设置额外属性""" self._sm._extra[key] = value @staticmethod def VoidTypeInfo() -> "CTypeInfo": info: CTypeInfo = CTypeInfo() info.BaseType = TypeSystem.CVoid() return info def ToLLVM(self, Gen: LlvmCodeGenerator) -> _ir.Type: if Gen is None: return _ir.IntType(32) return Gen._ctype_to_llvm(self) def __str__(self) -> str: return self.ToString() def __repr__(self) -> str: ts: TypeSpec = self._ts sm: SymbolMeta = self._sm return f"CTypeInfo(BaseType={ts._base_type}, PtrCount={ts.ptr_count}, IsTypedef={sm.is_typedef}, OriginalType={ts.original_type!r}, VarConst={ts.var_const}, DataConst={ts.data_const})" # 从 FIELD_ROUTES 静态绑定 _Delegated 描述符到 CTypeInfo 类 # 这是一次性配置(类创建期执行),替代运行时 __setattr__/__getattr__ 动态路由 for _old_name, (_target, _field) in FIELD_ROUTES.items(): setattr(CTypeInfo, _old_name, _Delegated('_' + _target, _field)) del _old_name, _target, _field class CTypeHelper: @staticmethod def GetTModuleCType(TypeName: str) -> type | None: alias: type | None = TypeSystem.BUILTIN_TYPE_ALIASES.get(TypeName) if alias is not None: return alias result: type | None = CTypeRegistry.GetClassByName(TypeName) if result is not None: return result TypeClass: type | None = getattr(TypeSystem, TypeName, None) if TypeClass and isinstance(TypeClass, type) and issubclass(TypeClass, TypeSystem.CType): return TypeClass FallbackClass: type | None = getattr(TypeSystem, f'_{TypeName}', None) if FallbackClass and isinstance(FallbackClass, type) and issubclass(FallbackClass, TypeSystem.CType): return FallbackClass return None @staticmethod def GetCName(type_or_name: str | type) -> str: if isinstance(type_or_name, str): cls: type | None = CTypeRegistry.GetClassByName(type_or_name) if cls is None: cls = CTypeHelper.GetTModuleCType(type_or_name) if cls: return cls.__name__ return type_or_name elif isinstance(type_or_name, type) and issubclass(type_or_name, TypeSystem.CType): return type_or_name.__name__ return '' class BuiltinTypeMap: """ 内置类型映射表 - 字符串到 (CType类, PtrCount) 的映射 用法:BuiltinTypeMap.Get('int') -> (CInt, 0) BuiltinTypeMap.Get('BYTEPTR') -> (CUnsignedChar, 1) """ _map: dict[str, tuple[type, int]] | None = None @classmethod def _build_map(cls) -> dict[str, tuple[type, int]]: if cls._map is not None: return cls._map CTypeRegistry._build() cls._map = {} # 仅使用 Python 类名 → (CType 类, ptr_level) 映射。 # C 类型名(如 'int'、'int32_t')不再通过 _cname_to_class 提供。 # C 头文件 stub 生成器使用独立的硬编码表(CTypeMapper._CNAME_TO_PY)。 for pyname, ctype_cls in CTypeRegistry._name_to_class.items(): pos: frozenset = getattr(ctype_cls, 'position', frozenset()) if TypeSystem.CType.POINTER in pos and TypeSystem.CType.BASE not in pos: cls._map[pyname] = (ctype_cls, 1) else: cls._map[pyname] = (ctype_cls, 0) # 保留一些常用的字符串速记(这些不是 CName,而是硬编码的便捷别名)。 # 包含 Python 内置类型名(int/float/bool)和 C 类型名速记(char/short/long 等)。 _SPECIAL: dict[str, tuple[type, int]] = { # Python 内置类型名 'str': (TypeSystem.CChar, 1), 'bytes': (TypeSystem.CChar, 1), 'int': (TypeSystem.CInt, 0), 'float': (TypeSystem.CFloat, 0), 'bool': (TypeSystem.CBool, 0), # C 类型名速记 'char': (TypeSystem.CChar, 0), 'short': (TypeSystem.CShort, 0), 'long': (TypeSystem.CLong, 0), 'long long': (TypeSystem.CLongLong, 0), 'double': (TypeSystem.CDouble, 0), 'unsigned': (TypeSystem.CUnsigned, 0), 'signed': (TypeSystem.CInt, 0), 'signed int': (TypeSystem.CInt, 0), 'signed char': (TypeSystem.CSignedChar, 0), 'void': (TypeSystem.CVoid, 0), 'Void': (TypeSystem.CVoid, 0), } for k, v in _SPECIAL.items(): if k not in cls._map: cls._map[k] = v _FLOAT_ALIASES: dict[str, tuple[type, int]] = { 'FLOAT8': (TypeSystem.CFloat8T, 0), 'FLOAT16': (TypeSystem.CFloat16T, 0), 'FLOAT32': (TypeSystem.CFloat32T, 0), 'FLOAT64': (TypeSystem.CFloat64T, 0), 'FLOAT128': (TypeSystem.CFloat128T, 0), } for k, v in _FLOAT_ALIASES.items(): if k not in cls._map: cls._map[k] = v # 内建短名(int8/sizet/uchar/...):源码直接书写,不依赖任何 typedef。 for _alias_name, _alias_cls in TypeSystem.BUILTIN_TYPE_ALIASES.items(): _pos: frozenset = getattr(_alias_cls, 'position', frozenset()) _ptr: int = 1 if TypeSystem.CType.POINTER in _pos and TypeSystem.CType.BASE not in _pos else 0 cls._map[_alias_name] = (_alias_cls, _ptr) return cls._map @classmethod def Get(cls, type_name: str) -> tuple[type, int] | None: """获取类型类和指针层级""" return cls._build_map().get(type_name) class BaseHandle: def __init__(self, translator: "Translator") -> None: self.Trans: Translator = translator self._CurrentCpythonObjectClass: str | None = None @staticmethod def _is_char_pointer(val: _ir.Value) -> bool: """检查值是否为 char* (i8*) 指针""" if not isinstance(val.type, _ir.PointerType): return False pointee: _ir.Type = val.type.pointee return isinstance(pointee, _ir.IntType) and pointee.width == 8 def HandleExprLlvm(self, Node: ast.AST, VarType: _ir.Type | str | None = None, ConstWidthHint: int | None = None) -> _ir.Value | None: return self.Trans.ExprHandler.HandleExprLlvm(Node, VarType, ConstWidthHint) def _CoerceCondToBool(self, Gen: "LlvmCodeGenerator", Node: Any, Cond: Any) -> Any: """把条件表达式归一到 i1(条件真值)。 与 VPC 对齐的调度顺序: 1. 已是 i1 → 原样返回; 2. 条件是对象(类实例)且类内定义了 `__bool__` → 调用 `__bool__`,结果 `!= 0`; 3. 浮点 → `!= 0.0`; 4. 指针 → `!= null`; 5. 整数 → `!= 0`。 语义唯一来源:`if` / `while` / `and` / `or` / 三元条件全部汇聚于此, 避免各处各自演化出「struct 恒真」这类不一致判据。 """ if isinstance(Cond.type, _ir.IntType) and Cond.type.width == 1: return Cond try: ClassName: str | None = self.Trans.ExprUtils._get_var_class(Node, Gen) except Exception: ClassName = None if ClassName and Gen._has_function(f'{ClassName}.__bool__'): Res: Any = self.Trans.ExprUtils._try_operator_overLoad(ClassName, '__bool__', Cond, Gen) if Res is not None: if isinstance(Res.type, _ir.IntType): if Res.type.width == 1: return Res return Gen.builder.icmp_signed('!=', Res, Gen._ZeroConst(Res.type), name="bool_result") if isinstance(Res.type, (_ir.FloatType, _ir.DoubleType)): return Gen.builder.fcmp_ordered('!=', Res, _ir.Constant(Res.type, 0.0), name="bool_result") if isinstance(Cond.type, (_ir.FloatType, _ir.DoubleType)): return Gen.builder.fcmp_ordered('!=', Cond, _ir.Constant(Cond.type, 0.0), name="cond_bool") if isinstance(Cond.type, _ir.PointerType): return Gen.builder.icmp_signed('!=', Cond, _ir.Constant(Cond.type, None), name="cond_bool") return Gen.builder.icmp_signed('!=', Cond, Gen._ZeroConst(Cond.type), name="cond_bool") @staticmethod def _ExprShape(Node: ast.AST, Depth: int = 0) -> str: """表达式节点的**形态摘要**(类名 + 关键子节点),供 fail-fast 报文取证。 与 `_ExprText` 的分工:`_ExprText` 给"源码文本"(属性链只到 Name 为止,遇 Call/Subscript 基座会退化成裸 attr 名,如 `(ast.Expr*(node)).value` → `'value'`), 本方法给"AST 形态",用于判定强转调用是否真被 parser 产成 `Call(func=BinOp(BitOr))`。 """ if Depth >= 4: return '…' if isinstance(Node, ast.Attribute): return f"Attribute(.{Node.attr}←{BaseHandle._ExprShape(Node.value, Depth + 1)})" if isinstance(Node, ast.Call): return (f"Call(func={BaseHandle._ExprShape(Node.func, Depth + 1)}" f",args={len(Node.args)})") if isinstance(Node, ast.BinOp): return (f"BinOp({type(Node.op).__name__}, " f"{BaseHandle._ExprShape(Node.left, Depth + 1)}, " f"{BaseHandle._ExprShape(Node.right, Depth + 1)})") if isinstance(Node, ast.Name): return f"Name({Node.id})" if isinstance(Node, ast.Subscript): return f"Subscript({BaseHandle._ExprShape(Node.value, Depth + 1)})" return type(Node).__name__ def _NoteAttrNone(self, Gen: Any, ClassName: str | None, AttrName: str, Reason: str) -> None: """记录「属性读取返回 None」的**确切原因**(供 fail-fast 报文取证,纯记账)。 `x.attr` 求值为 None 在 `ExprAttrHandle` 里有 5 个不同来源(类名未解析 / 基座求值为空 / 结构体未匹配 / stub 无 body / 槽位越界),各自根因完全不同; 下游(_RequireArgValue / AnnAssign)只看到"求值为空",无法区分 ⇒ 报错点与 真因相隔数层。此处把 `(类名, 字段名, 原因)` 记到 Gen,由 `_DescribeAttrBase` 在报文里回显;回显时要求 `(类名, 字段名)` 与被报节点一致,避免嵌套读取留下的 旧记录误导(不改变任何判定与 IR)。 """ try: Gen._LastAttrNone = (ClassName or '', AttrName or '', Reason) except Exception: # noqa: BLE001 pass def _DescribeAttrBase(self, Gen: Any, Node: ast.Attribute) -> str: """属性读返回 None 时的**基址事实**(供 fail-fast 报文取证,不改变任何判定)。 两类根因:① 类名登记退化(var_struct_class 存 'rawptr' / 'rawptr[X]' / 折叠态, 或压根没登记);② 登记名与 Gen.structs / class_members 的键不同源(短名 vs sha1 全名)。另有一条**必须验伪**的可能:基座是强转调用 `(T*(x)).attr` (parser 统一产成 Call(func=BinOp(BitOr)))时,HandlesExprAttr 的 `_handle_attr_call_result` 自带 `_FailFastAttrCallBase` 详细 fail-fast (FailFastError 全仓无 except,必上抛)——若仍走到本诊断,即说明那条 fail-fast 未被走到,属**另一处缺口**,故显式标注该事实。 """ _base: ast.AST = Node.value _parts: list[str] = [f"基座形态={BaseHandle._ExprShape(_base)}"] _vc_head: Any = None if isinstance(_base, ast.Name): _bn: str = _base.id _vc: str | None = None _alloc: Any = None try: _vc = (getattr(Gen, 'var_struct_class', None) or {}).get(_bn) if not _vc: _vc = (getattr(Gen, 'global_struct_class', None) or {}).get(_bn) _alloc = (getattr(Gen, 'variables', None) or {}).get(_bn) except Exception: # noqa: BLE001 pass _parts.append(f"'{_bn}' 的 var_struct_class={_vc!r}") _vc_head = _vc _parts.append(f"alloca 类型={getattr(_alloc, 'type', None)}") _parts.append("该名在 Gen.structs=" + ('是' if _vc and _vc in Gen.structs else ('否' if _vc else '—'))) _parts.append("class_members=" + (f"{len(Gen.class_members.get(_vc) or [])} 个字段" if _vc and _vc in Gen.class_members else '无该键')) if _vc and _vc in Gen.class_members: _parts.append(f"字段名单={[m[0] for m in Gen.class_members[_vc]][:12]}") # struct body 元素数 与 该字段的**计算偏移**:字段名在成员表里能找到、 # 却没读到值,只可能是"偏移 ≥ body 元素数"(`_gep_and_Load_member` 的 # 越界 return None)。这两个数字是判定该情况的唯一依据,必须一并报出。 _st_attr: Any = Gen.structs.get(_vc) if _vc else None if _st_attr is not None: _nelem: Any = (len(_st_attr.elements) if getattr(_st_attr, 'elements', None) is not None else 'opaque') _parts.append(f"struct body 元素数={_nelem}") if _vc: try: _off: Any = Gen._get_member_offset(Node.attr, _vc) except Exception as _e: # noqa: BLE001 _off = f"<取偏移抛 {type(_e).__name__}>" _parts.append(f"字段 '{Node.attr}' 计算偏移={_off}") elif (isinstance(_base, ast.Call) and isinstance(_base.func, ast.BinOp) and isinstance(_base.func.op, ast.BitOr)): _cls: str | None = None try: _cls = self.Trans.ExprAttrHandle._extract_union_base_class(_base.func) except Exception: # noqa: BLE001 _cls = None _parts.append(f"联合基类名={_cls!r}") _vc_head = _cls _parts.append(f"短名 in structs={'是' if _cls and _cls in Gen.structs else '否'}") _parts.append("class_members=" + (f"{len(Gen.class_members.get(_cls) or [])} 个字段" if _cls in Gen.class_members else '无该键')) _parts.append("注: 强转基座形态本应走 _FailFastAttrCallBase 详细报文," "此处仍是本条 ⇒ 那条 fail-fast 未触发") # 回显读取侧的**确切失败原因**(`ExprAttrHandle` 各 return None 点登记)。 # 仅在 (类名, 字段名) 与被报节点一致时输出:嵌套读取留下的旧记录不得冒充本节点。 try: _rec: Any = getattr(Gen, '_LastAttrNone', None) except Exception: # noqa: BLE001 _rec = None if isinstance(_rec, tuple) and len(_rec) >= 3: _rec_cls, _rec_attr, _rec_reason = _rec[0], _rec[1], _rec[2] _short = lambda s: (s.split('.')[-1] if s else s) # noqa: E731 _same: bool = bool(_rec_attr) and _rec_attr == Node.attr and ( not _rec_cls or not _vc_head or _rec_cls == _vc_head or _short(_rec_cls) == _short(_vc_head)) if _same: _parts.append(f"读取侧原因={_rec_reason}") return ";".join(_parts) @staticmethod def _ExprText(Node: ast.AST) -> str: """把表达式节点渲染成源码文本(如 func.Blocks.Head、list[X*] * uint64(v)),供错误信息使用""" if isinstance(Node, ast.Attribute): parts: list[str] = [] cur: ast.AST = Node while isinstance(cur, ast.Attribute): parts.append(cur.attr) cur = cur.value if isinstance(cur, ast.Name): parts.append(cur.id) if parts: return '.'.join(reversed(parts)) if isinstance(Node, ast.Name): return Node.id try: rendered: str = ast.unparse(Node) if rendered: return rendered except Exception: pass return getattr(Node, 'attr', '') or '' def _FailFastFixedArrayKeyword(self, Node: ast.AST, Msg: str) -> None: """内建定长数组构造子 array 误用的 fail-fast 出口。 报错含:文件:行:列 + 源码片段 + 期望形态(array[E, N])+ 正确示例 (消息文本由 SymbolUtils.FixedArrayKeywordAnnotationError 给出)。 """ import sys Gen: Any = getattr(self.Trans, 'LlvmGen', None) raw_lineno: int = getattr(Node, 'lineno', 0) or 0 lineno: int = raw_lineno or getattr(Gen, '_current_lineno', 0) or 0 col: int = getattr(Node, 'col_offset', -1) src_file: str = getattr(Gen, '_current_source_file', '') or '' _line_offset: int = int(getattr(self.Trans, '_line_offset', 0) or 0) if _line_offset > 0 and lineno > _line_offset: lineno -= _line_offset code_line: str = '' if lineno > 0 and Gen is not None and hasattr(Gen, '_get_source_line'): try: code_line = (Gen._get_source_line(lineno) or '').strip() except Exception: code_line = '' loc: str = src_file if lineno > 0: loc += f":{lineno}" if col >= 0: loc += f":{col}" full: str = f"{Msg}。位置 {loc}" + (f",源码: {code_line}" if code_line else '') _vlog().compile_error(full, src_file, lineno, code_line) sys.exit(1) def _CheckFixedArrayKeyword(self, Annotation: ast.AST) -> None: """注解入口统一校验内建定长数组构造子 array(误用即 fail-fast)。 只校验带位置的注解入口(本类的 ResolveAnnotationType / CollectAnnAssignMember + HandlesAnnAssign 局部 / HandlesAssign 全局显式调用),**不**在通用表达式 解析路径上调用——以保证 array 在非类型位置仍是普通标识符(软关键字)。 """ if Annotation is None: return Msg: str | None = FixedArrayKeywordAnnotationError(Annotation, self.Trans.SymbolTable) if Msg: self._FailFastFixedArrayKeyword(Annotation, Msg) def _RaiseUnresolvedExpr(self, What: str, Node: ast.AST, Gen: Any, AnnNode: ast.AST | None = None, VarName: str | None = None) -> None: """fail-fast:带值表达式在编译期求值失败(返回 None 且无值可存)时终止。 属性链(含两级自动解引用链,如 blk = func.Blocks.Head)解析不出目标 类型时 _handle_attr_nested 会返回 None;类型下标被当乘法的畸形写法 (如 list[X*]*(...))会让整条 RHS 不产任何指令而求值 None。赋值调用方 若静默跳过 store,目标 alloca 永不初始化 → 运行期读未初始化栈变量(随机 崩溃)。此处用 VLogger 输出 目标变量 + 注解文本 + 表达式源码与形态 + 文件名:行:列 后退出(严格模式语义)。 """ import sys ann_text: str = '' if AnnNode is not None: try: ann_text = ast.unparse(AnnNode) except Exception: ann_text = '' # RHS 形态 = AST 节点类名(Name/Subscript/BinOp/Call/Attribute/…), # 便于报错可直接按形态分类,不必再从表达式文本反推。 rhs_kind: str = type(Node).__name__ raw_lineno: int = getattr(Node, 'lineno', 0) or 0 lineno: int = raw_lineno or getattr(Gen, '_current_lineno', 0) or 0 col: int = getattr(Node, 'col_offset', -1) src_file: str = getattr(Gen, '_current_source_file', '') or '' expr_text: str = self._ExprText(Node) # 注入行偏移还原:AST 行号含 _inject_auto_imports 在文件头注入的 N 行, # 先按精确偏移减回磁盘真实行号(N 由 Phase2Translator 计算并挂到 translator)。 _line_offset: int = int(getattr(getattr(self, 'Trans', None), '_line_offset', 0) or 0) if _line_offset > 0 and lineno > _line_offset: lineno -= _line_offset code_line: str = '' if lineno > 0 and src_file: # 行号基准修正(vast AST 行号 vs 磁盘原文件行号偏差): # Phase2Translator._inject_auto_imports 会在解析前向源码头部注入 # 1~3 行 "import _list/_dict/json",使 AST 节点 lineno 比磁盘原文件 # 真实行号大 N(实测 CallGenCBuiltin.vp 真实 1409 报 1410、 # FuncGenMixin.vp 真实 514 报 515)。上面已按 _line_offset 精确还原; # 此处再以表达式文本为锚(从原始行号向上至多 8 行)回溯校正 # 属性链(其 expr_text 逐字出现在磁盘行中)可能残留的偏差。 if expr_text and '.' in expr_text and hasattr(Gen, '_get_source_line'): _src_lines: Any = getattr(Gen, '_current_source_lines', None) if isinstance(_src_lines, list) and _src_lines: for cand in range(lineno, max(0, lineno - 8), -1): if 0 < cand <= len(_src_lines) and expr_text in _src_lines[cand - 1]: lineno = cand break try: code_line = (Gen._get_source_line(lineno) or '').strip() except Exception: code_line = '' loc: str = src_file if lineno > 0: loc += f":{lineno}" if col >= 0: loc += f":{col}" msg: str = (f"{What}表达式 '{expr_text}'({rhs_kind} 形态)编译期求值为空(" f"表达式未解析出目标、无值可存;且其求值未以返回 void 的调用收尾)," f"赋值将被跳过、变量保持未初始化" f"{(',目标变量 ' + repr(VarName)) if VarName else ''}" f"{(',注解 ' + ann_text) if ann_text else ''}。位置 {loc}" f"{(',源码: ' + code_line) if code_line else ''}") # 【基址诊断】属性读返回 None 时报出**基座真实形态 + 类名登记事实**,不再从 # "求值为空"反推(同一份事实也供 _RequireArgValue 的实参求值失败路径使用, # 见 HandlesExprCall._RequireArgValue)。 if isinstance(Node, ast.Attribute): msg += "\n│ 基址诊断: " + self._DescribeAttrBase(Gen, Node) elif isinstance(Node, ast.Call) and isinstance(Node.func, ast.Attribute): # 被调者形如 `接收者链.方法(...)`:整条 Call 求值为空的**唯一来源**是接收者链 # 先求值为空(HandlesExprCall._HandleMethodCallLlvm 里 # `ObjVal = HandleExprLlvm(Node.func.value)` 为假即 `return None`; # 方法声明缺失会在同函数内 raise "Undefined method …",不会走到这里)。 # 行号只能指到整条调用,故把**接收者**的基址事实与最近一次属性读取失败原因 # 一并回显;Call 形态下无法用 (类, 字段) 与节点比对,该记录无条件回显。 try: msg += "\n│ 被调者接收者诊断: " + self._DescribeAttrBase(Gen, Node.func.value) except Exception as _e_d: # noqa: BLE001 msg += f"\n│ 被调者接收者诊断生成失败: {type(_e_d).__name__}: {_e_d}" try: _recC: Any = getattr(Gen, '_LastAttrNone', None) if isinstance(_recC, tuple) and len(_recC) >= 3 and _recC[2]: msg += (f"\n│ 最近一次属性读取失败: 类={_recC[0]!r} 字段={_recC[1]!r}" f" 原因={_recC[2]}") except Exception: # noqa: BLE001 pass _mnC: str = getattr(Node.func, 'attr', '') or '' _declC: list[str] = [] try: for _fk in (getattr(Gen, 'functions', {}) or {}): if _mnC and _fk.endswith(f'.{_mnC}'): _declC.append(_fk) except Exception: # noqa: BLE001 _declC = [] msg += (f"\n│ 被调方法={_mnC!r};已声明同名方法键(示前 4 / 共 {len(_declC)}): " f"{_declC[:4]}") _vlog().compile_error(msg, src_file, lineno, code_line) sys.exit(1) def HandleBodyLlvm(self, Body: ast.AST | list[ast.stmt]) -> Any: return self.Trans.BodyHandler.HandleBodyLlvm(Body) def _get_int_ptr(self, Node: ast.AST) -> _ir.Value | None: Gen: LlvmCodeGenerator = self.Trans.LlvmGen if isinstance(Node, ast.Name): if Node.id in Gen.variables: return Gen.variables[Node.id] elif isinstance(Node, ast.Attribute): obj_val: Any = self.HandleExprLlvm(Node.value) if not obj_val: return None if isinstance(obj_val.type, _ir.PointerType): pointee: _ir.Type = obj_val.type.pointee if isinstance(pointee, (_ir.IdentifiedStructType, _ir.LiteralStructType)): StructName: str | None = None if isinstance(pointee, _ir.IdentifiedStructType): StructName = pointee.name if not StructName: for ClassName, struct_type in Gen.structs.items(): if struct_type == pointee: StructName = ClassName break if StructName and StructName in Gen.structs: # 基址收口(判据见 ExprAttrHandle._ConcretizeGepBase):pointee 可能是 # **另一份 opaque 同名实例**,typed pointer 下 GEP 必须编译期算出 # 元素类型 ⇒ 先补 body / 取同短名孪生体,并以该实例算偏移(同源)。 obj_val, _STk = self.Trans.ExprAttrHandle._ConcretizeGepBase( Gen, obj_val, StructName, f"cast_{StructName}") offset: int = Gen._get_member_offset(Node.attr, StructName, _STk) member_ptr: Any = Gen.builder.gep(obj_val, [_ir.Constant(_ir.IntType(32), 0), _ir.Constant(_ir.IntType(32), offset)], name=f"{Node.attr}_ptr") return member_ptr return None def _IsBuiltinTypeName(self, TypeName: str) -> bool: if TypeName in ('State', 'Bit', 'Anonymous', 'Postdefinition'): return True TypeClass: type | None = getattr(TypeSystem, TypeName, None) if TypeClass and isinstance(TypeClass, type): if issubclass(TypeClass, TypeSystem.CType): return True FallbackClass: type | None = getattr(TypeSystem, f'_{TypeName}', None) if FallbackClass and isinstance(FallbackClass, type): if issubclass(FallbackClass, TypeSystem.CType): return True return False def ResolveListElementType( self, elem_type_node: ast.expr, Gen: Any, *, check_func_ptr: bool = False, handle_str: bool = False, void_fallback_width: int = 32, fallback_to_cint: bool = False, ) -> tuple[Any, CTypeInfo | None]: """解析 list 元素类型,返回 (LLVM类型, CTypeInfo|None)。 统一处理结构体、str、函数指针、VoidType 回退等变体。 Args: check_func_ptr: 是否检查函数指针(全局变量路径需要) handle_str: 是否处理 str → i8*(局部变量路径需要) void_fallback_width: VoidType 回退宽度 (32 或 8) fallback_to_cint: 无类型信息时回退到 CInt """ elem_type_info: CTypeInfo | None = CTypeInfo.FromNode(elem_type_node, self.Trans.SymbolTable) # 结构体类型 if isinstance(elem_type_node, ast.Name) and elem_type_node.id in Gen.structs: if check_func_ptr: sym_entry: CTypeInfo | None = self.Trans.SymbolTable.lookup(elem_type_node.id) if sym_entry and isinstance(sym_entry, CTypeInfo) and sym_entry.IsFuncPtr: return _ir.IntType(8).as_pointer(), elem_type_info return Gen.structs[elem_type_node.id], elem_type_info # str → i8* if handle_str and isinstance(elem_type_node, ast.Name) and elem_type_node.id == 'str': return _ir.PointerType(_ir.IntType(8)), elem_type_info # 函数指针检查 if check_func_ptr and elem_type_info and elem_type_info.IsFuncPtr: return _ir.IntType(8).as_pointer(), elem_type_info # 回退到 CInt if elem_type_info is None and fallback_to_cint: elem_type_info = CTypeInfo() elem_type_info.BaseType = TypeSystem.CInt() elem_type: Any = Gen._ctype_to_llvm(elem_type_info) if isinstance(elem_type, _ir.VoidType): elem_type = _ir.IntType(void_fallback_width) return elem_type, elem_type_info def ParseArrayCount( self, count_node: ast.expr | None, Gen: Any, value_node: ast.expr | None = None, *, mode: str = 'global', ) -> int: """解析数组计数,返回计数(默认 1)。 统一处理 Constant/Name/Attribute/BinOp/None 等形式。 None 或 Constant(None) 时从 value_node 推断(List 长度或 str 长度+1)。 Args: count_node: 计数 AST 节点 value_node: 赋值右侧值节点(用于 count_node 为 None 时推断) mode: 'global' 使用 _eval_global_count + SymbolTable + _define_constants; 'local' 使用 TryEvalConstExpr """ # None 或 Constant(None) → 从 value_node 推断 if count_node is None or (isinstance(count_node, ast.Constant) and count_node.value is None): if value_node and isinstance(value_node, ast.List): return len(value_node.elts) if value_node and isinstance(value_node, ast.Constant) and isinstance(value_node.value, str): return len(value_node.value) + 1 return 1 # Constant(int) if isinstance(count_node, ast.Constant) and isinstance(count_node.value, int): return count_node.value if mode == 'global': # Name → SymbolTable + _define_constants if isinstance(count_node, ast.Name): ArrayCount: int = 1 if self.Trans.SymbolTable.has(count_node.id): sym_info: Any = self.Trans.SymbolTable[count_node.id] if isinstance(sym_info.value, int): ArrayCount = sym_info.value if ArrayCount == 1 and count_node.id in Gen._define_constants: def_val: Any = Gen._define_constants[count_node.id] # 治本修复:本模块全局变量初始化值优先,避免跨模块同名 CDefine 覆盖 try: if hasattr(Gen, 'module') and count_node.id in Gen.module.globals: _gv: Any = Gen.module.globals[count_node.id] if getattr(_gv, 'initializer', None) is not None: _iv: Any = _gv.initializer if hasattr(_iv, 'constant') and isinstance(_iv.constant, int): def_val = _iv.constant except Exception: pass if isinstance(def_val, int): ArrayCount = def_val return ArrayCount # Attribute / BinOp → _eval_global_count if isinstance(count_node, (ast.Attribute, ast.BinOp)): eval_fn: Any = getattr(self, '_eval_global_count', None) if eval_fn is not None: ev: int | None = eval_fn(count_node, Gen) if ev is not None: return ev return 1 else: # local mode → TryEvalConstExpr eval_count: Any = CTypeInfo.TryEvalConstExpr(count_node, self.Trans.SymbolTable) if eval_count is not None and isinstance(eval_count, int) and eval_count > 0: return eval_count return 1 return 1 def ResolveAnnotationType(self, annotation: ast.expr) -> CTypeInfo | None: """解析注解类型,BinOp(BitOr) 优先使用 MergeTypes,其他使用 FromNode。 统一处理函数返回类型和参数类型的 BinOp 联合类型解析。 指针下标(rawptr[T] 内置裸指针 / CPtr[T] / 裸名 CPtr[T],三者等价 `T | CPtr`)同样交给 TypeMerge 解析:内层 T 走通用类型解析(含跨模块 类经 Gen.structs 反查 SHA1 前缀),指针层数与源码 `T | CPtr` 一致; 若交给 CTypeInfo.FromNode(TypeAnnotationResolver)解析, rawptr[ast.AST] 会退化成 CVoid/1(i8*)、CPtr[ast.AST] 亦退化成 CVoid/1(其 Subscript-CPtr 分支不带 Gen.structs 反查),与 declare 端 %".AST"* 分裂。 命中泛型模板的泛型容器下标(list[X] / rawptr[list[X]] 等)同样交 TypeMerge:字段(embedded)位置与参数/返回注解**同一解析**,否则 CTypeInfo.FromNode 把容器折叠成 i8*,字段类型与 declare/stub 端 的特化名指针不一致(同一结构体在定义端/声明端布局描述不同)。 """ # 内建定长数组构造子 array 的注解校验(误用即 fail-fast): # 本方法覆盖函数参数/返回注解与类字段(CollectAnnAssignMember 亦经此)。 self._CheckFixedArrayKeyword(annotation) if isinstance(annotation, ast.BinOp) and isinstance(annotation.op, ast.BitOr): merger: Any = getattr(self.Trans, 'TypeMergeHandler', None) if merger: info: CTypeInfo | None = merger.MergeTypes(annotation) if info is not None and isinstance(info, CTypeInfo): return info if IsPtrSubscriptNode(annotation, self.Trans.SymbolTable): merger = getattr(self.Trans, 'TypeMergeHandler', None) if merger: info = merger.GetCTypeInfo(annotation) if isinstance(info, CTypeInfo) and info.BaseType is not None: return info if (isinstance(annotation, ast.Subscript) and self._SubscriptHitsGenericTemplate(annotation) and getattr(self.Trans, 'TypeMergeHandler', None) is not None): gci: CTypeInfo | None = self.Trans.TypeMergeHandler.GetCTypeInfo(annotation) if isinstance(gci, CTypeInfo) and gci.BaseType is not None: return gci if isinstance(annotation, ast.Attribute): return self._ResolveAttributeAnnotationType(annotation) Fallback: CTypeInfo | None = CTypeInfo.FromNode(annotation, self.Trans.SymbolTable) return self._ResolveStackArrayElementFallback(annotation, Fallback) def _ResolveStackArrayElementFallback( self, annotation: ast.expr, Fallback: CTypeInfo | None) -> CTypeInfo | None: """固定数组注解(`CArray[T, N]` / `[N]T`)元素类型兜底解析。 CTypeInfo.FromNode(TypeAnnotationResolver 的 IsListAnnotation 分支)只 会用自身解析元素类型:元素命中泛型模板时(list[X] / list[rawptr[X]])解 析为空 → 整个注解 BaseType=None → 调用方(CollectAnnAssignMember)把 VoidType 换成 i8*,字段即塌成 i8*,与声明端 DeclarationGenerator._get_type_str 的 ValueIsCArray 分支给出的 `[N x <元素>]` 布局不一致(规则 4:能不变 i8* 的就不变 i8*)。 此处仅在该元素解析为空时兜底:用**与参数注解同一解析** (ResolveAnnotationType 递归,泛型容器因此走 TypeMerge 特化,跨模块类 经 Gen.structs 反查 SHA1)解析元素,再套上数组维度(维度序与 TypeAnnotationResolver 的 `insert(0, count)` 一致)。 元素可解析的形态(CArray[CInt, 8] / CArray[Node, 4] / 嵌套 CArray) 保持 FromNode 结果原样,避免改动既有布局。 """ if isinstance(Fallback, CTypeInfo) and Fallback.BaseType is not None: return Fallback if not (isinstance(annotation, ast.Subscript) and IsListAnnotation(annotation)): return Fallback SliceNode: ast.AST = annotation.slice if not (isinstance(SliceNode, ast.Tuple) and len(SliceNode.elts) == 2): return Fallback ElemInfo: CTypeInfo | None = self.ResolveAnnotationType(SliceNode.elts[0]) if not isinstance(ElemInfo, CTypeInfo) or ElemInfo.BaseType is None: return Fallback CountVal: int | None = CTypeInfo.TryEvalConstExpr(SliceNode.elts[1], self.Trans.SymbolTable) if not isinstance(CountVal, int) or CountVal <= 0: return Fallback Result: CTypeInfo = ElemInfo.Copy() Result.ArrayDims = [str(CountVal)] + list(ElemInfo.ArrayDims) return Result def _ResolveAttributeAnnotationType(self, annotation: ast.Attribute) -> CTypeInfo | None: """Attribute 注解(`CInt` / `ast.AST` / `.CLS`)解析。 先走 CTypeInfo.FromNode(TypeAnnotationResolver,覆盖 t/c 内建与已在本模块 SymbolTable 注册的类):其 BaseType 已解析时语义不变。 **仅在 FromNode 解析不出来时**(BaseType 为 None,即该类未随本模块 import/预扫描注册)按类名查 `Gen.structs` / `Gen._struct_sha1_map` 后交 TypeMerge(HandlesTypeMerge 的 Attribute 分支,与声明端 DeclarationGenerator._get_type_str 的 `attr_name in struct_names`、名称域 SymbolUtils._ResolveAttributeArgStr 同一条"类名 → SHA1"规则)。 不修此路时跨模块类 Attribute(`rawptr[.CLS]` 脱糖后的 `.CLS | CPtr`、泛型 T 替换出的裸 `.CLS`、`list[ast.AST]` 特化的 `append(item: T)`)在定义端判为"无法识别的参数类型注解"抛 SyntaxError,被上层 broad except 吞掉后退化为 i32/i8*,而声明端给 `%".CLS"*`,字段/签名两侧不一致。 """ fallback: CTypeInfo | None = CTypeInfo.FromNode(annotation, self.Trans.SymbolTable) if fallback is not None and fallback.BaseType is not None: return fallback attr_name: str = getattr(annotation, 'attr', '') or '' gen: Any = getattr(self.Trans, 'LlvmGen', None) if not attr_name or gen is None: return fallback if (attr_name not in getattr(gen, 'structs', {}) and attr_name not in getattr(gen, '_struct_sha1_map', {})): return fallback merger: Any = getattr(self.Trans, 'TypeMergeHandler', None) if merger is not None: info: CTypeInfo | None = merger.GetCTypeInfo(annotation) if isinstance(info, CTypeInfo) and info.BaseType is not None: return info return fallback def ResolveParamAnnotation(self, annotation: ast.expr) -> CTypeInfo | None: """函数参数注解解析(阻塞 B 同根第三处修复)。 局部变量注解走 TypeMergeHandler.GetCTypeInfo(_HandleSubscript 泛型 分支),函数参数却走 ResolveAnnotationType → Subscript 非 BinOp 直接 CTypeInfo.FromNode → TypeAnnotationResolver 不识别泛型模板,容器 (list[X] / rawptr[list[X]] / GSList[X] / rawptr[GSList[X]])被折叠成 i8* → 参数无 var_struct_class → 方法调用 FakeDuck 兜底错绑兄弟类 (如 parser.vp _append_str_value 的 values.append 被编成 AST.append 虚调用,this=list* 读 vtable 崩溃)。此处对命中泛型模板的 Subscript 改走 TypeMerge 泛型识别路径,其余保持 ResolveAnnotationType 语义。 """ if isinstance(annotation, ast.BinOp) and isinstance(annotation.op, ast.BitOr): merger: Any = getattr(self.Trans, 'TypeMergeHandler', None) if merger: info: CTypeInfo | None = merger.MergeTypes(annotation) if info is not None and isinstance(info, CTypeInfo): return info # 指针下标参数注解(rawptr[T] / CPtr[T] / 裸名 CPtr[T],含 # rawptr[list[X]] 等容器:_SubscriptHitsGenericTemplate 也命中,但统一交 # ResolveAnnotationType 处理更简单——它已把指针下标路由到 TypeMerge)。 if IsPtrSubscriptNode(annotation, self.Trans.SymbolTable): info = self.ResolveAnnotationType(annotation) if isinstance(info, CTypeInfo) and info.BaseType is not None: return info if isinstance(annotation, ast.Subscript) and getattr(self.Trans, 'TypeMergeHandler', None): if self._SubscriptHitsGenericTemplate(annotation): try: _gci: CTypeInfo | None = self.Trans.TypeMergeHandler.GetCTypeInfo(annotation) if _gci is not None and isinstance(_gci, CTypeInfo) and _gci.BaseType is not None: return _gci except Exception: pass # Attribute 参数注解(`.CLS` 裸引用 / 泛型 T 替换出的 `.CLS`) # 与 ResolveAnnotationType 共用同一条规则(_ResolveAttributeAnnotationType → # TypeMergeHandler.GetCTypeInfo 的 Attribute 分支查 Gen.structs / # Gen._struct_sha1_map),不在此复制第二套查表;否则 list[X] 特化方法 # `append(item: T)` 的参数 T(= 裸 `.CLS`)解析为空 → VoidType → # 抛"无法识别的参数类型注解" → 特化模板方法未注册。 if isinstance(annotation, ast.Attribute): return self.ResolveAnnotationType(annotation) Fallback: CTypeInfo | None = CTypeInfo.FromNode(annotation, self.Trans.SymbolTable) return self._ResolveStackArrayElementFallback(annotation, Fallback) def _SubscriptHitsGenericTemplate(self, annotation: ast.Subscript) -> bool: """判断 Subscript 是否命中泛型模板:裸模板名(list[X]/GSList[X]), 或 rawptr/CPtr 裸指针 typedef 内嵌模板名(rawptr[list[X]] 等)。""" tpls: Any = getattr(getattr(self.Trans, 'ClassHandler', None), '_generic_class_templates', None) if not tpls: return False base: ast.AST = annotation.value if isinstance(base, ast.Name): if base.id in tpls: return True if isinstance(annotation.slice, ast.Subscript): inner: ast.AST = annotation.slice.value if isinstance(inner, ast.Name) and inner.id in tpls: return True elif isinstance(base, ast.Attribute) and base.attr == 'CPtr': if isinstance(annotation.slice, ast.Subscript): inner = annotation.slice.value if isinstance(inner, ast.Name) and inner.id in tpls: return True return False def _EnsureRenumVariantStruct(self, Gen: Any, RenumName: str, VariantName: str) -> str: """确保 REnum 变体嵌套结构体 `_` 及其 class_members 就绪。 为什么需要:导入模块侧的 stub **只声明主 REnum**(如 `%"…LLVMType" = type { i32, i64, i64, i64 }`),**不含**变体嵌套结构体声明 (`LLVMType_Ptr` 等)——它们由 `_EmitExternalClassDeclLlvm` 的 REnum 分支按主 结构体布局就地生成。若本模块从未触发该 REnum 的外部声明发射,`Gen.structs` / `Gen.class_members` 里就没有变体——于是: - match 模式捕获(`case LLVMType.Ptr(pointee):`)绑定静默为空 ⇒ case body 里引用的绑定名随后变成"未定义名称"(现场 VpiReader.vp:1521 `pointee_cs`); - REnum 变体构造的载荷实参静默丢弃(只写了 tag)。 故按需补发:先试 stub,再按类 sha1 找到定义模块的 `.vpi` 触发完整外部声明发射 (`_TryLoadClassMembersFromPyi` 内部即调 `_EmitExternalClassDeclLlvm`)。 返回嵌套结构体名(调用方据此查 `Gen.class_members` 判可用性)。 """ NestedStructName: str = f"{RenumName}_{VariantName}" if Gen.class_members.get(NestedStructName): return NestedStructName _sha1: str | None = None for _map in (getattr(Gen, 'class_sha1_map', {}), getattr(Gen, '_struct_sha1_map', {})): _sha1 = _map.get(RenumName) if _sha1: break _IH: Any = getattr(self.Trans, 'ImportHandler', None) if _IH is None: return NestedStructName try: _IH._TryLoadStructFromStub(NestedStructName, Gen) except Exception: # 与既有导入路径同口径:失败由下方判据统一暴露 pass if not Gen.class_members.get(NestedStructName) and _sha1: try: _IH._TryLoadClassMembersFromPyi(RenumName, f"{_sha1}.stub.ll", Gen) except Exception: pass return NestedStructName def CollectAnnAssignMember( self, item: ast.AST, Gen: Any ) -> tuple[str, _ir.Type, CTypeInfo | None] | None: """从 ast.AnnAssign 节点解析成员信息。 返回 (VarName, MemberType, TypeInfo)。 **不再静默兜底**(原实现:注解解析返回 None → i32;_ctype_to_llvm 得 void → i8*; 任何异常 → i32 + TypeInfo=None)。这些兜底会把"注解没解析出来"伪装成一个 具体类型,下游于是报出与真因无关的错——实测:`free_lists: uint64*`(脱糖为 `uint64 | CPtr`)在解析异常时被当成 **i32**,`self.free_lists = base`(i8*) 便误报"指针隐式转整数已禁止"。类型信息缺失一律响亮失败。 非 AnnAssign/Name 目标时返回 None。 """ if not isinstance(item, ast.AnnAssign) or not isinstance(item.target, ast.Name): return None VarName: str = item.target.id AnnotationText: str = ast.unparse(item.annotation) # 值引用标记(`&T` / `&temp T`)仅用于函数参数位:结构体字段/成员注解出现即 fail-fast。 if FindAutoAddrMode(item.annotation) is not None: raise ValueError( f"[FATAL] 成员 '{VarName}' 的注解 '{AnnotationText}':结构体字段/成员不支持" f"值引用(`&T` / `&temp T`)——值引用仅用于函数参数位,请改用显式指针类型(如 `T*`)") try: TypeInfo: CTypeInfo | None = self.ResolveAnnotationType(item.annotation) except RecursionError: # RecursionError 不是"可忽略异常":它是类型解析/声明发射链**成环**的 # 真缺陷信号。此前被下方 `except Exception` 吞成一行 # `WARN: HandlesBase: 忽略异常 maximum recursion depth exceeded` 并静默 # 退化为 i32 ⇒ 真正的环(如跨模块类声明发射重入 # _EmitExternalClassDeclLlvm ↔ _TryLoadStructFromStub ↔ _TryLoadClassMembersFromPyi) # 被掩盖,下游只看到类型解析静默退化。此处 fail-fast 上抛(保留原始栈), # 让环路根因暴露在错误栈顶,不再被 WARN 掩埋。 raise except Exception as e: raise ValueError( f"[FATAL] 成员 '{VarName}' 的注解 '{AnnotationText}' 解析失败:" f"{type(e).__name__}: {e} —— 拒绝静默退化为 i32" ) from e if TypeInfo is None: raise ValueError( f"[FATAL] 成员 '{VarName}' 的注解 '{AnnotationText}' 解析不出类型" f"(ResolveAnnotationType 返回 None)—— 拒绝静默退化为 i32" ) MemberType: _ir.Type = Gen._ctype_to_llvm(TypeInfo) if isinstance(MemberType, _ir.VoidType): raise ValueError( f"[FATAL] 成员 '{VarName}' 的注解 '{AnnotationText}' 解析为 void" f"(BaseType={getattr(TypeInfo, 'BaseType', None)} " f"PtrCount={getattr(TypeInfo, 'PtrCount', None)} " f"IsTypedef={getattr(TypeInfo, 'IsTypedef', None)} " f"Name={getattr(TypeInfo, 'Name', None)})—— 拒绝静默退化为 i8*" ) # 「内层是类引用却解析成通用指针」fail-fast(降级源头定位): # `rawptr[Mod.Class]` / `Mod.Class | CPtr` 的语义是"指向该类",内层若确实是 # 已定义类,解析结果必须带该类 BaseType;退化成 void 基座(i8* / 多一层 i8**) # 就是类型信息被丢掉 —— 该值一旦进 class_members 就会被冻进 struct body # (llvmlite set_body 只能设一次),后期只修表不修体(现场:Generator 第 3/11 # 槽 i8**)。此处响亮失败并附判据,使降级**当场暴露**而非留到赋值时报"层数不同"。 self._CheckPtrAnnotationKeepsClass(item.annotation, TypeInfo, VarName, AnnotationText) # 形状判据(更硬的一条):注解形态是「**指针包装的类引用**」而解析结果正是 # `i8**`(= void 基座两层,T 的类型被丢掉)⇒ 必属降级,直接响亮失败并把两侧 # 证据打全。放在字段类型的**唯一漏斗**里,覆盖全部"按注解推导成员类型"的写入链 # (本地类 / 跨模块 .vpi / 嵌套类)。 if (IsClassRefPtrAnnotation(item.annotation, self.Trans.SymbolTable) and IsI8DoublePtrType(MemberType)): _inner_name: str = '' _inner_node: Any = (item.annotation.slice if isinstance(item.annotation, ast.Subscript) else None) if isinstance(_inner_node, ast.Attribute): _inner_name = _inner_node.attr elif isinstance(_inner_node, ast.Name): _inner_name = _inner_node.id _sym: Any = None try: _sym = self.Trans.SymbolTable.lookup(_inner_name) if _inner_name else None except Exception: _sym = None _gen: Any = getattr(self.Trans, 'LlvmGen', None) _structs_hit: str = ( '有' if (_gen is not None and _inner_name in getattr(_gen, 'structs', {})) else '无') _sha1_hit: Any = ( getattr(_gen, '_struct_sha1_map', {}).get(_inner_name) if _gen is not None else None) raise ValueError( f"[FATAL] 成员 '{VarName}' 的注解 '{AnnotationText}' 是**类引用指针**," f"却被解析成 {MemberType}(void 基座两层 = 类型信息丢失)—— 拒绝降级:" f"CTypeInfo(BaseType={getattr(TypeInfo, 'BaseType', None)} " f"PtrCount={getattr(TypeInfo, 'PtrCount', None)} " f"IsStruct={getattr(TypeInfo, 'IsStruct', None)} " f"IsTypedef={getattr(TypeInfo, 'IsTypedef', None)} " f"IsEnum={getattr(TypeInfo, 'IsEnum', None)} " f"Name={getattr(TypeInfo, 'Name', None)});内层名='{_inner_name}' " f"符号表[该名] => IsTypedef={getattr(_sym, 'IsTypedef', None)} " f"BaseType={getattr(_sym, 'BaseType', None)} " f"PtrCount={getattr(_sym, 'PtrCount', None)} " f"IsStruct={getattr(_sym, 'IsStruct', None)} " f"IsRenum={getattr(_sym, 'IsRenum', None)} " f"IsModuleAlias={getattr(_sym, 'IsModuleAlias', None)};" f"Gen.structs 命中={_structs_hit} _struct_sha1_map 命中={_sha1_hit!r}" ) return VarName, MemberType, TypeInfo def _CheckPtrAnnotationKeepsClass(self, Annotation: ast.AST, Info: CTypeInfo | None, MemberName: str, AnnotationText: str) -> None: """指针包装注解的内层是**已定义类**时,解析结果不得退化成 void 基座(fail-fast)。 只拦"必属类型信息丢失"的组合:内层节点(Name / Attribute)的名字在 `Gen.structs`(本模块已建)或 `Gen._struct_sha1_map`(预扫描的类→模块映射) 中有类定义,而解析出的 `BaseType` 是 `CVoid` **且没有任何类身份** (IsStruct / IsRenum / IsEnum / Name 全空)。其余一律放行 (`rawptr[rawptr]` 这类本就 void 基座的多层指针、模块名、泛型特化实参等)。 """ if Info is None or Info.BaseType is None: return if not (Info.BaseType is TypeSystem.CVoid or isinstance(Info.BaseType, TypeSystem.CVoid)): return # 只要还带着任何"类身份"(IsStruct / IsRenum / IsEnum / Name),就不是信息丢失: # REnum 类型条目本身 BaseType=None,`T | CPtr` 合并后会被默认填成 CVoid,但 # IsRenum/IsStruct/Name 齐备,_ctype_to_llvm 仍能解析出 %.T* —— 误判会 # 把合法注解(如 REnum 变体载荷 `Pointee: rawptr[LLVMType]`)打成致命错误。 if (getattr(Info, 'IsStruct', False) or getattr(Info, 'IsRenum', False) or getattr(Info, 'IsEnum', False) or getattr(Info, 'Name', None)): return Inner: ast.AST | None = None if isinstance(Annotation, ast.Subscript) and IsPtrSubscriptNode(Annotation, self.Trans.SymbolTable): Inner = Annotation.slice elif isinstance(Annotation, ast.BinOp) and isinstance(Annotation.op, ast.BitOr): for Side in FlattenUnionOperands(Annotation): if not IsCPtrMarkerNode(Side, self.Trans.SymbolTable): Inner = Side break if Inner is None: return InnerName: str | None = None if isinstance(Inner, ast.Name): InnerName = Inner.id elif isinstance(Inner, ast.Attribute): InnerName = Inner.attr if not InnerName or InnerName in ('rawptr', 'CPtr'): return Gen: Any = getattr(self.Trans, 'LlvmGen', None) if Gen is None: return if (InnerName not in getattr(Gen, 'structs', {}) and InnerName not in getattr(Gen, '_struct_sha1_map', {})): return _e: Any = None try: _e = self.Trans.SymbolTable.lookup(InnerName) except Exception: _e = None raise ValueError( f"[FATAL] 成员 '{MemberName}' 的注解 '{AnnotationText}' 内层 '{InnerName}' " f"是**已定义类**,却被解析成通用指针(类型信息丢失)—— 拒绝静默降级:" f"解析结果 BaseType={Info.BaseType} PtrCount={getattr(Info, 'PtrCount', None)} " f"IsStruct={getattr(Info, 'IsStruct', None)} IsTypedef={getattr(Info, 'IsTypedef', None)} " f"Name={getattr(Info, 'Name', None)};" f"符号表['{InnerName}'] => IsTypedef={getattr(_e, 'IsTypedef', None)} " f"BaseType={getattr(_e, 'BaseType', None)} PtrCount={getattr(_e, 'PtrCount', None)} " f"IsStruct={getattr(_e, 'IsStruct', None)} IsRenum={getattr(_e, 'IsRenum', None)} " f"IsModuleAlias={getattr(_e, 'IsModuleAlias', None)} " f"IsEnumMember={getattr(_e, 'IsEnumMember', None)};" f"Gen.structs 命中={'有' if InnerName in getattr(Gen, 'structs', {}) else '无'} " f"_struct_sha1_map 命中={getattr(Gen, '_struct_sha1_map', {}).get(InnerName)!r}" ) def LookupFunctionSymbol(self, name: str, *, module_path: str | None = None) -> CTypeInfo | None: """查找函数符号,先尝试 module_path.name,再回退到 name。 统一处理 HandlesExprCall / HandlesAssign 中重复的二级查找模式。 返回 CTypeInfo(不限定 IsFunction),由调用方检查标志位。 """ st = self.Trans.SymbolTable if module_path: sym: CTypeInfo | None = st.lookup(f'{module_path}.{name}') if sym: return sym return st.lookup(name) def BuildLLVMFuncTypeFromSig( self, sym_info: CTypeInfo, Gen: Any, *, mangled_name: str | None = None, use_infer_fallback: bool = False, ) -> tuple[Any, list[Any], bool] | None: """从 CTypeInfo 函数签名构建 LLVM 函数类型。 返回 (ret_type, llvm_param_types, is_variadic),非函数返回 None。 统一处理 FuncPtrReturn/FuncPtrParams → ToLLVM 转换、VoidType 回退。 Args: mangled_name: 用于 _infer_return_type + stub 查找回退 use_infer_fallback: 为 True 时启用 _infer_return_type + stub 查找回退链 """ if not sym_info.IsFunction: return None is_variadic: bool = sym_info.IsVariadic ret_type_info = sym_info.FuncPtrReturn if isinstance(ret_type_info, CTypeInfo) and ret_type_info.BaseType: ret_type: Any = ret_type_info.ToLLVM(Gen) elif use_infer_fallback and mangled_name: inferred: Any = Gen._infer_return_type(mangled_name) if isinstance(inferred, _ir.IntType) and inferred.width == 32: try: stub_ft: Any = self.Trans.ImportHandler._LookupStubFuncType(mangled_name, Gen) if stub_ft and hasattr(stub_ft, 'return_type'): inferred = stub_ft.return_type except Exception: pass ret_type = inferred else: ret_type = Gen._CType2LLVM('i32', False) param_type_infos = list(sym_info.FuncPtrParams or []) if isinstance(ret_type, _ir.VoidType): ret_type = _ir.IntType(32) llvm_param_types: list[Any] = [] for ParamIdx, (ParamName, pt) in enumerate(param_type_infos): if isinstance(pt, CTypeInfo) and pt.BaseType: lp: Any = pt.ToLLVM(Gen) elif isinstance(pt, str): lp = Gen._CType2LLVM(pt, '*' in pt) else: # fast-fail:形参类型未解析出 BaseType 时不再硬编码 'i32' 造形参。 # 旧回退会把"类型解析失败"伪装成 llvmlite 的 # Type of #{N} arg mismatch: {expected} != {actual} # (形参被静默写成 i32 ⇒ 报错方向与真因相反,且不含符号/位置信息, # 如 "Type of #2 arg mismatch: i32 != %".SymbolTable"*"), # 这里直接抛出带上下文的编译错误暴露真实缺失。 if isinstance(pt, CTypeInfo): _PtDiag: str = ( f"CTypeInfo(BaseType=None, Name={pt.Name!r}, PtrCount={pt.PtrCount}," f" IsTypedef={pt.IsTypedef}, IsFuncPtr={pt.IsFuncPtr}, IsState={pt.IsState}," f" OriginalType={pt.OriginalType!r})") else: _PtDiag = f"{type(pt).__name__}({pt!r})" raise TypeError( f"[fast-fail] 函数 '{sym_info.Name}' 第 {ParamIdx + 1} 个形参 '{ParamName}' 的" f"类型未解析出 BaseType,无法构建 LLVM 形参类型({_PtDiag});" f"定义位置={getattr(sym_info, 'file', None)!r}:{sym_info.Lineno}," f" IsVariadic={is_variadic}, mangled_name={mangled_name!r}" ) if isinstance(lp, _ir.VoidType): lp = _ir.IntType(8).as_pointer() llvm_param_types.append(lp) return ret_type, llvm_param_types, is_variadic def GetOrCreateFuncDecl( self, name: str, ret_type: Any, param_types: list[Any], Gen: Any, *, is_variadic: bool = False, replace_name: str | None = None, ) -> Any: """创建或替换 LLVM 函数声明。 若 name 已存在且类型不匹配,通过 _replace_function_decl 替换。 replace_name 传递给 _replace_function_decl(通常为未 mangle 的 func_name)。 """ if name not in Gen.functions: # Gen.functions 未登记、但 module.globals 已有同名函数(本模块其它调用点 # 或依赖 stub 先建过声明)→ 复用并登记,绝不重建:llvmlite 的 NameScope # 按名字去重(GlobalValue.deduplicate_name=False),重复 ir.Function 必抛 # DuplicatedNameError。 g_existing: Any = Gen.module.globals.get(name) if g_existing is not None: Gen.functions[name] = g_existing return g_existing func_type = _ir.FunctionType(ret_type, param_types, var_arg=is_variadic) func_decl = Gen._CreateOrReuseFuncDecl(name, func_type) Gen.functions[name] = func_decl else: existing = Gen.functions[name] existing_type = getattr(existing, 'ftype', None) new_type = _ir.FunctionType(ret_type, param_types, var_arg=is_variadic) if existing_type and existing_type != new_type: replaced = self.Trans.FunctionHandler._replace_function_decl(Gen, replace_name or name, new_type) if replaced and replaced != existing: Gen.functions[name] = replaced return Gen.functions[name] def GetOrCreateStubFuncDecl( self, decl_name: str, stub_func_type: Any, Gen: Any, *, alias: str | None = None, check_existing: bool = True, ) -> Any: """创建 stub 函数声明,可选注册别名。 check_existing=False 时跳过 Gen.functions 存在性检查(用于确定不存在的场景), 但**仍复用 module.globals 里的同名声明**——llvmlite 的 NameScope 按名字去重 (GlobalValue.deduplicate_name=False),"强制新建同名 global"在 llvmlite 下 不成立、必抛 DuplicatedNameError,故此路必须幂等。 真实事故:同一模块两处 `self.Gen.ExprGen.translate_value(...)`(VarGenMixin.vp) 都走 check_existing=False,第一处建声明成功、第二处抛 DuplicatedNameError。 """ if check_existing and decl_name in Gen.functions: func_decl = Gen.functions[decl_name] else: g_ex_decl: Any = Gen.module.globals.get(decl_name) if g_ex_decl is not None: func_decl = g_ex_decl else: func_decl = Gen._CreateOrReuseFuncDecl(decl_name, stub_func_type) Gen.functions[decl_name] = func_decl if alias and alias != decl_name: if not check_existing or alias not in Gen.functions: Gen.functions[alias] = func_decl return func_decl StrictMode: bool = _config.mode == 'strict'