TermiNexus
c2f53852ee
类别：a（编译器缺陷）
现场：翻译 TransPyV/App/lib/core/Gen/Call/CallGenLeafKit.vp 时终止编译
RuntimeError: 翻译 ... 失败: 'ClassHandle' object has no attribute '_PreRegisterClassMembers'
（FuncGen.py:965 有调用，方法全仓无定义）
按要求做了全仓静态扫描（ast：属性访问 vs 全仓属性定义；symtable：未定义全局名），共修 4 处：
1) HandlesClassDef.ClassHandle._PreRegisterClassMembers（缺失 → 实现）
调用点：FuncGen._get_member_offset 的"struct body 已存在、class_members[类名] 为空"分支
—— 该类的成员表在本次翻译里从未被收集，而按名定位字段槽位必须有表。
实现与既有两处成员收集段同源（CollectAnnAssignMember → 追加 (名, 类型)），但**只做收集**：
· 不展平继承前缀（调用方随后经 _member_base → EnsureClassMembersFlattened 补齐）；
· 不调用 _generate_structs（body 已存在，重入 set_body 会把残缺布局永久固化）；
· 只追加尚无同名的条目（幂等，重复命中不会把表撑长）。
跳过 __provides__/__requires__/__require_must__（非布局槽位），并登记字段限定符。
2) HandlesExprAttr.ExprAttrHandle._load_bitfield_member（缺失 → 实现）
读路径 7 处调用（位域分支）全部指向不存在的方法 ⇒ 任何位域字段读取都会 AttributeError。
实现与 HandlesAssign._store_bitfield_member 严格对称：位域类 body 只有一个 storage 槽
（elements[0]），字段位置由 class_member_bitoffsets/bitfields/signeds 表达，
读取 = `(storage >> 位偏移) & ((1<<位宽)-1)`，有符号字段再做符号扩展；
缺位偏移 / 位宽 ≤ 0 / struct 未具化 / storage 非整数一律 fail-fast（不返回 i32 兜底）。
3) PythonParserMixin 的 __set_default__ 分支（幽灵调用 → 明确报未支持）
原调用 self._handle_set_default_in_parse(...) 全仓无定义。核实：该注解在 TransPyC/lib 内
无任何消费端（只有 t.py 的定义与 StubGen/Converter 的"剥离该调用保留类型"），
includes 全仓亦无源使用 ⇒ 不静默丢弃源码语义，改为 NotImplementedError 明确报"未支持"。
4) DeclarationGenerator._llvm_type_size_str 的数组分支（静默降级 → 修好）
原写作 `self._ARR_TYPE_RE`（少一个 A）并以 hasattr 守卫 —— 该属性全仓从未定义 ⇒ 守卫恒假
⇒ 数组字段一律落到"未知类型 → 8"，与 docstring 声明的"_EmitREnumLlvm 尺寸口径对齐"不符。
改用本类已定义的 _ARRAY_TYPE_RE，并去掉守卫（属性再丢失应当响亮失败）。
核验：compileall 全 lib 通过；属性扫描剩余 26 条全为仓外对象（logging / vast AST /
llvmlite Value·Instruction·IRBuilder / 内置 Exception.args / __class__ / __dict__）；
symtable 未定义全局名仅 __file__（运行时内置）。未新增/放宽任何 fail-fast。
468 lines
29 KiB
Python
468 lines
29 KiB
Python
from __future__ import annotations
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import vast as ast
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import json
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import struct
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from lib.utils.helpers import DetectFileType
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from lib.core.Handles.HandlesBase import CTypeInfo
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from lib.core.SymbolUtils import IsTModule, AnnotationContainsName, ExpandSoftKeywords
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from lib.includes import t
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from lib.constants.config import mode as _ConfigMode
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from lib.core.VLogger import get_logger as _vlog
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class PythonParserMixin:
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"""Python 文件解析 Mixin
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提供辅助文件解析、symbin 文件加载与 Python 源文件解析能力。
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"""
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def ParseHelperFiles(self, HelperFiles: list[str], encoding: str = 'utf-8') -> None:
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"""解析辅助文件，提取符号信息
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支持 .py, .c, .h 和 .symbin 文件
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"""
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for FilePath in HelperFiles:
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ext: str = DetectFileType(FilePath)
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if ext == '.py':
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self.ParsePythonFile(FilePath, encoding, UpdateCurrentFile=False)
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elif ext == '.c':
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pass # .c 文件解析已移除，不再使用旧的正则解析路径
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elif FilePath.endswith('.symbin'):
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self.LoadSymbinFile(FilePath)
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def LoadSymbinFile(self, FilePath: str) -> None:
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"""从.symbin文件加载符号表
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Args:
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FilePath: .symbin文件路径
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"""
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try:
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with open(FilePath, 'rb') as f:
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data: bytes = f.read()
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# 导入序列化函数（避免循环导入）
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# 解析二进制格式
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if len(data) < 4:
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_vlog().warning(f"无效的 symbin 文件 (太短): {FilePath}")
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return
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# 解析4字节长度头（小端序）
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length: int = struct.unpack('<I', data[:4])[0]
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JsonData: bytes = data[4:4+length]
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symbols: dict = json.loads(JsonData.decode('utf-8'))
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# 合并到当前符号表
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self.SymbolTable.update(symbols)
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self.DebugPrint(f"[SYMBIN] Loaded {len(symbols)} symbols from {FilePath}")
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except Exception as e:
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_vlog().warning(f"加载 symbin 文件失败 {FilePath}: {e}")
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def ParsePythonFile(self, FilePath: str, encoding: str = 'utf-8', UpdateCurrentFile: bool = True) -> None:
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"""解析Python文件，提取类、函数、变量信息
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Args:
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FilePath: 要解析的文件路径
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encoding: 文件编码
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UpdateCurrentFile: 是否更新 CurrentFile（默认为 True，处理导入时设为 False）
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"""
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try:
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with open(FilePath, 'r', encoding=encoding) as f:
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content: str = f.read()
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# 软关键字展开：fn/fun/func/function -> def，供 ast.parse 使用
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content = ExpandSoftKeywords(content)
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# 保存当前处理的文件路径（仅在主文件处理时更新）
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if UpdateCurrentFile:
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self.CurrentFile = FilePath
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# 解析Python代码为AST
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tree: ast.Module = ast.parse(content, FilePath)
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# 保存 AST 树供后续使用
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self.tree = tree
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# 第一遍：检测特殊赋值语句，收集跟在 class 后面的
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# 遍历 tree.body，找到所有 ClassDef，然后收集紧随其后的赋值语句
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i: int = 0
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while i < len(tree.body):
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node: ast.stmt = tree.body[i]
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# 检测 ClassDef
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if isinstance(node, ast.ClassDef):
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ClassName: str = node.name
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# 使用类名_行号作为唯一 key
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ClassKey: str = f"{ClassName}_{node.lineno}"
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# 检查后面的语句，收集特殊赋值
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j: int = i + 1
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while j < len(tree.body):
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NextNode: ast.stmt = tree.body[j]
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if isinstance(NextNode, ast.Assign):
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# 检测 xxx = xxx 或 xxx = yyy
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if len(NextNode.targets) == 1 and isinstance(NextNode.targets[0], ast.Name):
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TargetName: str = NextNode.targets[0].id
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if isinstance(NextNode.value, ast.Name):
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ValueName: str = NextNode.value.id
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if ValueName == ClassName:
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# 这是 class 的实例化
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if ClassKey not in self.EmbeddedAssignments:
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self.EmbeddedAssignments[ClassKey] = []
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self.EmbeddedAssignments[ClassKey].append(TargetName)
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j += 1
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continue
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elif isinstance(NextNode, ast.AnnAssign):
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# 检测 xxx: t.Postdefinition(yyy) 或 xxx: t.CTypedef = xxx 或 xxx: t.CPtr = xxx
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if isinstance(NextNode.target, ast.Name):
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TargetName: str = NextNode.target.id
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# 先处理新格式：t.Postdefinition(...)
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annotation: ast.expr | None = NextNode.annotation
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PostdefNode: ast.Call | None = None
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# 递归搜索整个注解树，找到 t.Postdefinition(...) 调用
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def find_PostdefNode(node: ast.AST) -> ast.Call | None:
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if isinstance(node, ast.Call):
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if isinstance(node.func, ast.Attribute):
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if hasattr(node.func.value, 'id') and IsTModule(node.func.value.id, self.SymbolTable) and node.func.attr == 'Postdefinition':
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return node
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elif isinstance(node, ast.BinOp) and isinstance(node.op, ast.BitOr):
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LeftResult: ast.Call | None = find_PostdefNode(node.left)
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if LeftResult:
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return LeftResult
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RightResult: ast.Call | None = find_PostdefNode(node.right)
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if RightResult:
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return RightResult
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return None
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PostdefNode = find_PostdefNode(annotation)
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# 检查是否找到 t.Postdefinition(...) 调用
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if PostdefNode:
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if (isinstance(PostdefNode.func, ast.Attribute) and
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hasattr(PostdefNode.func, 'value') and
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hasattr(PostdefNode.func.value, 'id') and
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IsTModule(PostdefNode.func.value.id, self.SymbolTable) and
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PostdefNode.func.attr == 'Postdefinition' and
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PostdefNode.args):
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# 检查第一个参数是否是当前类名
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arg: ast.expr = PostdefNode.args[0]
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if isinstance(arg, ast.Name) and arg.id == ClassName:
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# 检查是否包含 CTypedef 或 CPtr
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HasCtypedef: bool = AnnotationContainsName(NextNode.annotation, 'CTypedef')
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IsPtr: bool = AnnotationContainsName(NextNode.annotation, 'CPtr')
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# 解析维度列表（第二个参数）
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dimensions: list[ast.expr] = []
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if len(PostdefNode.args) > 1:
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# 第二个参数应该是一个列表
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dim_arg: ast.expr = PostdefNode.args[1]
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if isinstance(dim_arg, ast.List):
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for DimExpr in dim_arg.elts:
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dimensions.append(DimExpr)
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# 如果没有从 Postdefinition 参数中获取维度，尝试从类型注解中的 Subscript 获取
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# 例如：memory_block_t[MAX_ORDER + 1] | t.CPtr
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if not dimensions:
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def extract_subscript_dims(node: ast.AST) -> list[ast.expr]:
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"""递归提取 Subscript 节点的维度"""
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dims: list[ast.expr] = []
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if isinstance(node, ast.Subscript):
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# 提取当前维度
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if isinstance(node.slice, ast.Constant):
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dims.append(ast.Constant(value=node.slice.value))
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elif isinstance(node.slice, ast.Name):
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dims.append(ast.Name(id=node.slice.id, ctx=ast.Load()))
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elif isinstance(node.slice, ast.BinOp):
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dims.append(node.slice)
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# 递归提取更外层的维度
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dims.extend(extract_subscript_dims(node.value))
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elif isinstance(node, ast.BinOp) and isinstance(node.op, ast.BitOr):
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# 处理 Type | t.CPtr 的情况，检查左侧
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dims.extend(extract_subscript_dims(node.left))
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return dims
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# 从注解中提取维度
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subscript_dims: list[ast.expr] = extract_subscript_dims(annotation)
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if subscript_dims:
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# 反转维度顺序（从内到外）
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dimensions = list(reversed(subscript_dims))
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# 获取赋值值
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value: ast.expr | None = None
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if hasattr(NextNode, 'value') and NextNode.value is not None:
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value = NextNode.value
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# 添加到对应的 assignments
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# 对于 t.Postdefinition(...)，只有包含 CTypedef 或 CPtr 时才视为 typedef 类型
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if HasCtypedef or IsPtr:
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if ClassKey not in self.TypedefAssignments:
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self.TypedefAssignments[ClassKey] = []
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# 如果有维度信息，使用字典存储
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if dimensions:
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self.TypedefAssignments[ClassKey].append({
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'name': TargetName,
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'IsPtr': IsPtr,
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'dimensions': dimensions,
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'value': value
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})
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else:
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self.TypedefAssignments[ClassKey].append((TargetName, IsPtr))
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else:
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if ClassKey not in self.EmbeddedAssignments:
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self.EmbeddedAssignments[ClassKey] = []
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# 如果有维度信息，使用字典存储
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if dimensions:
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self.EmbeddedAssignments[ClassKey].append({
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'name': TargetName,
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'dimensions': dimensions,
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'value': value
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})
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else:
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self.EmbeddedAssignments[ClassKey].append(TargetName)
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# 检查是否有 __set_default__ 初始化
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if AnnotationContainsName(NextNode.annotation, '__set_default__'):
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# 【fail-fast，替代**不存在的** _handle_set_default_in_parse
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# （2026-09-30）】原调用指向的方法全仓无定义 ⇒ 一旦命中即
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# `AttributeError`（与 ClassHandle._PreRegisterClassMembers
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# 同族：死调用，非"未走到"）。
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# 现状核实：`__set_default__` 在 TransPyC/lib 内只有
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# t.py 的定义与 StubGen/Converter 的"剥离该调用、保留类型"，
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# **没有任何消费端**读取它的 kwargs；includes 全仓亦无源使用。
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# 因此这里既不调用幽灵方法，也不静默丢弃源码语义：明确报未支持，
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# 语义（字段默认值如何落到 class_member_defaults）确定后再实现。
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raise NotImplementedError(
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f"[未支持] 注解里的 __set_default__(...)：类 '{ClassKey}' "
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f"字段 '{TargetName}'（TPC 翻译路径无消费端；"
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f"拒绝静默丢弃该默认值语义）")
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j += 1
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continue
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# 再处理旧格式：xxx: t.CTypedef = xxx 或 xxx: t.CPtr = xxx
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# 注意：这种格式的 typedef 不应该被合并到结构体定义中，
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# 而应该生成独立的 typedef 语句，所以不添加到 TypedefAssignments
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elif NextNode.annotation and isinstance(NextNode.annotation, ast.Attribute):
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if isinstance(NextNode.annotation.value, ast.Name):
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annot_id: str = NextNode.annotation.value.id
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annot_attr: str = NextNode.annotation.attr
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if annot_id == 't' and NextNode.value:
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if isinstance(NextNode.value, ast.Name):
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ValueName: str = NextNode.value.id
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if ValueName == ClassName:
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# 检查是 CTypedef 还是 CPtr
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if annot_attr == t.CPtr.__name__:
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# t.CPtr 表示指针变量，加入 TypedefAssignments，设置 IsPtr=True
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if ClassKey not in self.TypedefAssignments:
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self.TypedefAssignments[ClassKey] = []
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self.TypedefAssignments[ClassKey].append((TargetName, True))
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j += 1
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continue
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# 注意：t.CTypedef 不在这里处理，由 HandlesAnnAssign 生成独立的 typedef 语句
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# 如果不是特殊赋值，停止收集
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break
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i = j
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continue
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i += 1
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# 提取类定义（作为结构体）
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for node in ast.walk(tree):
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if isinstance(node, ast.ClassDef):
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ClassName: str = node.name
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# 先把类名加入 GeneratedTypes，这样 GetTypeName 可以正确识别
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self.GeneratedTypes.add(ClassName)
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# 检测是否是 CEnum
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IsCenum: bool = False
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for base in node.bases:
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if isinstance(base, ast.Attribute):
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if base.attr in ('CEnum', 'REnum'):
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IsCenum = True
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break
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elif isinstance(base, ast.Name):
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if base.id in ('CEnum', 'REnum'):
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IsCenum = True
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break
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# 检测是否有 @t.Object 装饰器或继承自 t.Object
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IsCpythonObject: bool = False
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if hasattr(node, 'decorator_list') and node.decorator_list:
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for decorator in node.decorator_list:
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if isinstance(decorator, ast.Attribute):
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if (hasattr(decorator.value, 'id') and
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IsTModule(decorator.value.id, self.SymbolTable) and
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decorator.attr == 'Object'):
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IsCpythonObject = True
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break
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elif isinstance(decorator, ast.Call):
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if isinstance(decorator.func, ast.Attribute):
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if (hasattr(decorator.func.value, 'id') and
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IsTModule(decorator.func.value.id, self.SymbolTable) and
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decorator.func.attr == 'Object'):
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IsCpythonObject = True
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break
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elif isinstance(decorator.func, ast.Name):
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if decorator.func.id == 'Object':
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IsCpythonObject = True
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break
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elif isinstance(decorator, ast.Name):
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if decorator.id == 'Object':
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IsCpythonObject = True
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break
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if not IsCpythonObject and hasattr(node, 'bases') and node.bases:
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for base in node.bases:
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if isinstance(base, ast.Attribute):
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if (hasattr(base.value, 'id') and
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IsTModule(base.value.id, self.SymbolTable) and
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base.attr == 'Object'):
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IsCpythonObject = True
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break
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elif isinstance(base, ast.Name):
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if base.id == 'Object':
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IsCpythonObject = True
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break
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if IsCenum:
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# 注册为 enum 类型
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EnumNode: CTypeInfo = CTypeInfo()
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EnumNode.Name = ClassName
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EnumNode.IsEnum = True
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EnumNode.set('file', '<stdin>')
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self.SymbolTable.insert(ClassName, EnumNode)
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# 注册 enum 成员（提取枚举值，与 SymbolExtractor 逻辑一致）
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next_enum_value: int = 0
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for item in node.body:
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MemberName: str | None = None
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ItemValue: object | None = None
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if isinstance(item, ast.AnnAssign) and isinstance(item.target, ast.Name):
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MemberName = item.target.id
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ItemValue = item.value
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elif isinstance(item, ast.Assign) and len(item.targets) == 1 and isinstance(item.targets[0], ast.Name):
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MemberName = item.targets[0].id
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ItemValue = item.value
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if MemberName is None:
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continue
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MemberNode: CTypeInfo = CTypeInfo()
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MemberNode.Name = MemberName
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MemberNode.BaseType = t.CEnum(ClassName)
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# 提取枚举值：优先用显式赋值，否则自动编号
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if ItemValue is not None and isinstance(ItemValue, ast.Constant) and isinstance(ItemValue.value, int):
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MemberNode.value = ItemValue.value
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next_enum_value = ItemValue.value + 1
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else:
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MemberNode.value = next_enum_value
|
||
next_enum_value += 1
|
||
MemberNode.EnumName = ClassName
|
||
MemberNode.library_name = None
|
||
MemberNode.IsEnumMember = True
|
||
self.SymbolTable.insert(MemberName, MemberNode)
|
||
self.SymbolTable.insert(f"{ClassName}.{MemberName}", MemberNode)
|
||
self.SymbolTable.insert(f"{ClassName}_{MemberName}", MemberNode)
|
||
|
||
continue
|
||
|
||
# 检测是否是 Anonymous
|
||
IsAnonymous: bool = False
|
||
|
||
# 提取结构体成员信息
|
||
members: dict[str, CTypeInfo] = {}
|
||
for item in node.body:
|
||
if isinstance(item, ast.AnnAssign) and isinstance(item.target, ast.Name):
|
||
VarName: str = item.target.id
|
||
try:
|
||
TypeInfo: CTypeInfo | None = self.TypeMergeHandler.GetCTypeInfo(item.annotation)
|
||
if TypeInfo is None:
|
||
TypeInfo = CTypeInfo()
|
||
TypeInfo.BaseType = t.CInt()
|
||
IsPtr: bool = TypeInfo.IsPtr
|
||
if not IsPtr:
|
||
if isinstance(item.annotation, ast.BinOp) and isinstance(item.annotation.op, ast.BitOr):
|
||
if AnnotationContainsName(item.annotation, 'CPtr'):
|
||
IsPtr = True
|
||
dims: list[int] = []
|
||
if hasattr(item.annotation, 'slice') and isinstance(item.annotation.slice, ast.Constant):
|
||
if isinstance(item.annotation.value, ast.Name):
|
||
if IsTModule(item.annotation.value.id, self.SymbolTable):
|
||
if hasattr(item.annotation, 'slice'):
|
||
try:
|
||
dims.append(int(item.annotation.slice.value))
|
||
except Exception as _e:
|
||
if _ConfigMode == "strict":
|
||
raise
|
||
_vlog().warning(f"解析数组维度失败: {_e}", "Exception")
|
||
MemberInfo: CTypeInfo = TypeInfo.Copy()
|
||
if dims:
|
||
MemberInfo.ArrayDims = [str(d) for d in dims]
|
||
members[VarName] = MemberInfo
|
||
except Exception as _e:
|
||
if _ConfigMode == "strict":
|
||
raise
|
||
_vlog().warning(f"解析结构体成员失败: {_e}", "Exception")
|
||
StructNode: CTypeInfo = CTypeInfo()
|
||
StructNode.Name = ClassName
|
||
StructNode.IsStruct = True
|
||
StructNode.Members = members or {}
|
||
StructNode.set('file', '<stdin>')
|
||
StructNode.set('IsAnonymous', IsAnonymous)
|
||
StructNode.set('IsCpythonObject', IsCpythonObject)
|
||
self.SymbolTable.insert(ClassName, StructNode)
|
||
elif isinstance(node, ast.FunctionDef):
|
||
FuncName: str = node.name
|
||
if not self.SymbolTable.has(FuncName):
|
||
FuncNode: CTypeInfo = CTypeInfo()
|
||
FuncNode.Name = FuncName
|
||
FuncNode.IsFunction = True
|
||
FuncNode.set('file', '<stdin>')
|
||
self.SymbolTable.insert(FuncName, FuncNode)
|
||
elif isinstance(node, ast.AnnAssign):
|
||
if isinstance(node.target, ast.Name):
|
||
VarName: str = node.target.id
|
||
# 检查是否是 t.CTypedef 格式，如果是则跳过（由 HandleClassDef 处理）
|
||
is_ctypedef: bool = False
|
||
if node.annotation:
|
||
if isinstance(node.annotation, ast.Attribute):
|
||
if isinstance(node.annotation.value, ast.Name):
|
||
if IsTModule(node.annotation.value.id, self.SymbolTable) and node.annotation.attr == 'CTypedef':
|
||
is_ctypedef = True
|
||
elif isinstance(node.annotation, ast.BinOp) and isinstance(node.annotation.op, ast.BitOr):
|
||
def _has_ctype(ann: ast.AST) -> bool:
|
||
if isinstance(ann, ast.Attribute):
|
||
return hasattr(ann.value, 'id') and IsTModule(ann.value.id) and ann.attr == 'CTypedef'
|
||
if isinstance(ann, ast.BinOp) and isinstance(ann.op, ast.BitOr):
|
||
return _has_ctype(ann.left) or _has_ctype(ann.right)
|
||
if isinstance(ann, ast.Subscript):
|
||
return _has_ctype(ann.value)
|
||
return False
|
||
if _has_ctype(node.annotation):
|
||
is_ctypedef = True
|
||
if not is_ctypedef:
|
||
# 如果符号已经存在且是 typedef，不要覆盖它
|
||
existing = self.SymbolTable.lookup(VarName)
|
||
if existing and existing.IsTypedef and existing.OriginalType:
|
||
pass
|
||
else:
|
||
IsPtr: bool = False
|
||
if node.annotation:
|
||
try:
|
||
TypeInfo: CTypeInfo | None = self.TypeMergeHandler.GetCTypeInfo(node.annotation)
|
||
IsPtr = TypeInfo.IsPtr if TypeInfo else False
|
||
except Exception as _e:
|
||
if _ConfigMode == "strict":
|
||
raise
|
||
_vlog().warning(f"获取类型信息失败(ParsePythonFile): {_e}", "Exception")
|
||
var_node: CTypeInfo = CTypeInfo()
|
||
var_node.Name = VarName
|
||
var_node.IsVariable = True
|
||
var_node.set('IsPtr', IsPtr)
|
||
var_node.set('file', '<stdin>')
|
||
self.SymbolTable.insert(VarName, var_node)
|
||
except Exception as e:
|
||
_vlog().warning(f'解析 Python 文件失败 {FilePath}: {e}')
|
||
|
||
# ParseCFile 已移除 - .h/.c 文件的旧正则解析路径不再使用
|
||
# 类型解析现在直接通过 CTypeInfo 对象进行，不经过中间字符串格式
|