910 lines
45 KiB
Plaintext
910 lines
45 KiB
Plaintext
import lib.core.Gen.GenApi as GenApi
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import t, c
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from stdint import *
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import ast
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import string
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import memhub
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import viperlib
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import stdlib
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# ============================================================
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# StubGen.Converter - vpi 存根文件生成器
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#
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# 从 AST 直接生成 .vpi 存根文件，不依赖 CPython 的 PythonToStubConverter。
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# 遍历 Module 节点的 children，提取函数签名、类定义、变量声明、
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# import 语句，生成 Python 类型存根文件。
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#
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# 本文件使用 Viper 语法实现，可被 TPC 编译为原生码。
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# ============================================================
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# ============================================================
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# _eval_binop_int / _eval_binop_valid - 递归计算 BinOp 常量值
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#
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# 用于 .vpi 存根文件生成时计算 BinOp 表达式（如 A | B, A + B）的整数值。
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# 支持 BitOr/BitAnd/Add/Sub 以及嵌套的 Name（引用已注册的 CDefine 常量）。
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# ============================================================
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def _eval_binop_valid(node: ast.AST | t.CPtr) -> int:
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"""检查 BinOp 节点是否可计算（所有叶子节点都是常量或已注册的 CDefine）"""
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if node is None:
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return 0
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k: int = node.kind()
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if k == ast.ASTKind.Constant:
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cn: ast.Constant | t.CPtr = (ast.Constant | t.CPtr)(node)
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if cn.const_kind == ast.CONST_INT:
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return 1
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return 0
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if k == ast.ASTKind.UnaryOp:
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uop: ast.UnaryOp | t.CPtr = (ast.UnaryOp | t.CPtr)(node)
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if uop.operand is not None:
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return _eval_binop_valid(uop.operand)
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return 0
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if k == ast.ASTKind.BinOp:
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bop: ast.BinOp | t.CPtr = (ast.BinOp | t.CPtr)(node)
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if bop.left is not None and bop.right is not None:
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if _eval_binop_valid(bop.left) != 0:
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if _eval_binop_valid(bop.right) != 0:
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return 1
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return 0
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if k == ast.ASTKind.Name:
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# Name 引用：检查是否是已注册的 CDefine 常量
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nm: ast.Name | t.CPtr = (ast.Name | t.CPtr)(node)
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if nm.id is not None:
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# 从本地 CDefine 表查找
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val: int = _lookup_cdefine_for_pyi(nm.id)
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if _pyi_cdefine_found() != 0:
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return 1
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return 0
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return 0
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def _eval_binop_int(node: ast.AST | t.CPtr) -> t.CInt64T:
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"""递归计算 BinOp 节点的整数值（64 位，避免大整数 CDefine 截断）"""
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if node is None:
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return 0
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k: int = node.kind()
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if k == ast.ASTKind.Constant:
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cn: ast.Constant | t.CPtr = (ast.Constant | t.CPtr)(node)
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if cn.const_kind == ast.CONST_INT:
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return cn.int_val
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return 0
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if k == ast.ASTKind.UnaryOp:
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uop: ast.UnaryOp | t.CPtr = (ast.UnaryOp | t.CPtr)(node)
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if uop.op == ast.OpKind.USub and uop.operand is not None:
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return -_eval_binop_int(uop.operand)
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if uop.op == ast.OpKind.UAdd and uop.operand is not None:
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return _eval_binop_int(uop.operand)
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if uop.op == ast.OpKind.Invert and uop.operand is not None:
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return ~_eval_binop_int(uop.operand)
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return 0
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if k == ast.ASTKind.BinOp:
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bop: ast.BinOp | t.CPtr = (ast.BinOp | t.CPtr)(node)
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if bop.left is None or bop.right is None:
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return 0
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lv: t.CInt64T = _eval_binop_int(bop.left)
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rv: t.CInt64T = _eval_binop_int(bop.right)
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if bop.op == ast.OpKind.BitOr:
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return lv | rv
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if bop.op == ast.OpKind.BitAnd:
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return lv & rv
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if bop.op == ast.OpKind.BitXor:
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return lv ^ rv
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if bop.op == ast.OpKind.Add:
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return lv + rv
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if bop.op == ast.OpKind.Sub:
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return lv - rv
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if bop.op == ast.OpKind.Mult:
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return lv * rv
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if bop.op == ast.OpKind.Div:
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return lv // rv
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if bop.op == ast.OpKind.FloorDiv:
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return lv // rv
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if bop.op == ast.OpKind.Mod:
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return lv % rv
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if bop.op == ast.OpKind.LShift:
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return lv << rv
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if bop.op == ast.OpKind.RShift:
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return lv >> rv
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return 0
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if k == ast.ASTKind.Name:
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nm: ast.Name | t.CPtr = (ast.Name | t.CPtr)(node)
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if nm.id is not None:
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return _lookup_cdefine_for_pyi(nm.id)
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return 0
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return 0
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# CDefine 查找的前向声明（实际实现在 HandlesType）
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# 避免循环依赖，使用弱引用
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_g_pyi_cdefine_found: int = 0
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# 本文件 CDefine 值缓存（vpi 生成专用）：
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# Phase1 生成 .vpi（L1614）早于翻译阶段的 CDefine 注册（L1629+），此时
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# HandlesType 全局表为空 → BinOp 内 Name 引用查表失败退化为 0（ZDEFLATE
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# WINDOW_SIZE = 1<<0 = 1、MASK = 0-1 = -1，跨模块读回错误常量根因）。
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# _GeneratePyiFromAst 开头按声明顺序注册到本缓存，Name 引用先查缓存。
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# 值缓存用 C 数组（t.CInt64T*）而非 list[int]：TPC 对 list[int].get 会误解析为
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# list[str].get（返回元素指针 i8*）→ ptrtoint 返回元素地址而非值 → MASK 变成
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# 20323785277439（地址-1）。C 数组索引 [i] 直接返回 i64 值，可靠。
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_g_pyi_cdef_names: list[str] | t.CPtr = None
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_g_pyi_cdef_vals: t.CInt64T | t.CPtr = None
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_g_pyi_cdef_count: t.CInt = 0
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def _lookup_cdefine_for_pyi(name: str) -> t.CInt64T:
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"""从本文件缓存 / 本地 CDefine 表查找常量值（用于 .vpi 生成时的 BinOp 计算）"""
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global _g_pyi_cdefine_found
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# 优先查本文件 CDefine 缓存（vpi 生成早于翻译阶段注册，全局表为空）
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if _g_pyi_cdef_names is not None and _g_pyi_cdef_vals is not None:
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# 循环上限用 _g_pyi_cdef_count 而非 len(_g_pyi_cdef_names)：
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# list[str] | t.CPtr 联合类型下 TPV 的 len() 回退 strlen（把 list 对象
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# 指针当字符串算长度 → 垃圾小值 → 靠后注册项查不到，ZDEFLATE_HASH_MASK
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# = lookup(HASH_SIZE) 失败 = 0-1 = -1 根因；WINDOW_MASK 查位置 1 恰好
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# 在 strlen 结果内所以碰巧正确）。
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pn: t.CSizeT = t.CSizeT(_g_pyi_cdef_count)
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pi: t.CSizeT
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for pi in range(pn):
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pnm: str = _g_pyi_cdef_names.get(pi)
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if pnm is not None and string.strcmp(pnm, name) == 0:
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_g_pyi_cdefine_found = 1
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return _g_pyi_cdef_vals[pi]
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val: t.CInt64T = GenApi.lookup_cdefine_constant(name)
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if GenApi.is_cdefine_found() != 0:
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_g_pyi_cdefine_found = 1
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return val
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_g_pyi_cdefine_found = 0
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return 0
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def _eval_cdefine_value_cache(node: ast.AST | t.CPtr) -> t.CInt64T:
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"""求值 CDefine 值（Constant/UnaryOp/BinOp/Call/Name），供 vpi 预处理注册缓存"""
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if node is None:
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return 0
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k: int = node.kind()
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if k == ast.ASTKind.Constant:
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cn_c: ast.Constant | t.CPtr = (ast.Constant | t.CPtr)(node)
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if cn_c.const_kind == ast.CONST_INT:
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return cn_c.int_val
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if cn_c.const_kind == ast.CONST_BOOL:
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return cn_c.int_val
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# STR/FLOAT/NONE 不参与整数 BinOp 引用（注册 0 无害）
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return 0
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if k == ast.ASTKind.UnaryOp:
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return _eval_binop_int(node)
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if k == ast.ASTKind.BinOp:
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return _eval_binop_int(node)
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if k == ast.ASTKind.Call:
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cl_c: ast.Call | t.CPtr = (ast.Call | t.CPtr)(node)
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if cl_c.args is not None and cl_c.args.__len__() > 0:
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return _eval_cdefine_value_cache(cl_c.args.get(0))
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return 0
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if k == ast.ASTKind.Name:
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nm_c: ast.Name | t.CPtr = (ast.Name | t.CPtr)(node)
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if nm_c.id is not None:
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return _lookup_cdefine_for_pyi(nm_c.id)
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return 0
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return 0
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def _pyi_cdefine_found() -> int:
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"""返回上次 _lookup_cdefine_for_pyi 的查找结果状态"""
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return _g_pyi_cdefine_found
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# ============================================================
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# _PyiEmit - 追加字符串到缓冲区
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#
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# 将 text 追加到 buf 的 pos 位置，返回新的 pos。
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# 自动处理缓冲区溢出（截断）。
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# ============================================================
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def _PyiEmit(buf: bytes, buf_size: t.CSizeT, pos: t.CSizeT,
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text: str) -> t.CSizeT:
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"""追加 text 到 buf 的 pos 位置，返回新的 pos"""
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if buf is None or text is None or pos >= buf_size:
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return pos
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tlen: t.CSizeT = string.strlen(text)
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if tlen == 0:
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return pos
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remain: t.CSizeT = buf_size - pos
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if tlen >= remain:
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tlen = remain - 1
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if tlen > 0:
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string.memcpy(buf + pos, text, tlen)
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return pos + tlen
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# ============================================================
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# _PyiIndent - 追加缩进空格
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#
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# 追加 level*4 个空格到 buf 的 pos 位置。
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# ============================================================
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def _PyiIndent(buf: bytes, buf_size: t.CSizeT, pos: t.CSizeT,
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level: int) -> t.CSizeT:
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"""追加 level*4 个空格到 buf，返回新的 pos"""
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i: int = 0
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while i < level:
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pos = _PyiEmit(buf, buf_size, pos, " ")
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i += 1
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return pos
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# ============================================================
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# _PyiTypeStr - 递归生成类型注解字符串
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#
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# 将 AST 类型注解节点转换为字符串表示，写入 buf 的 pos 位置。
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# 支持: Name, Attribute, Subscript, BinOp(|), Constant(前向引用), Tuple
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# ============================================================
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def _PyiTypeStr(buf: bytes, buf_size: t.CSizeT, pos: t.CSizeT,
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annot: ast.AST | t.CPtr) -> t.CSizeT:
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"""递归生成类型注解字符串，返回新的 pos"""
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if annot is None:
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return _PyiEmit(buf, buf_size, pos, "t.CInt")
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k: int = annot.kind()
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# Name: 简单类型名 (如 int, str, MyClass)
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if k == ast.ASTKind.Name:
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nm: ast.Name | t.CPtr = (ast.Name | t.CPtr)(annot)
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if nm.id is not None:
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return _PyiEmit(buf, buf_size, pos, nm.id)
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return _PyiEmit(buf, buf_size, pos, "t.CInt")
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# Attribute: 属性引用 (如 t.CInt, memhub.MemBuddy)
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if k == ast.ASTKind.Attribute:
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at: ast.Attribute | t.CPtr = (ast.Attribute | t.CPtr)(annot)
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pos = _PyiTypeStr(buf, buf_size, pos, at.value)
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pos = _PyiEmit(buf, buf_size, pos, ".")
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if at.attr is not None:
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pos = _PyiEmit(buf, buf_size, pos, at.attr)
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return pos
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# Subscript: 下标类型 (如 list[int], t.CArray[elem, count])
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if k == ast.ASTKind.Subscript:
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sub: ast.Subscript | t.CPtr = (ast.Subscript | t.CPtr)(annot)
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pos = _PyiTypeStr(buf, buf_size, pos, sub.value)
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pos = _PyiEmit(buf, buf_size, pos, "[")
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pos = _PyiTypeStr(buf, buf_size, pos, sub.slice)
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pos = _PyiEmit(buf, buf_size, pos, "]")
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return pos
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# BinOp: 联合类型 (如 int | str, File | t.CPtr)
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if k == ast.ASTKind.BinOp:
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bop: ast.BinOp | t.CPtr = (ast.BinOp | t.CPtr)(annot)
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pos = _PyiTypeStr(buf, buf_size, pos, bop.left)
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pos = _PyiEmit(buf, buf_size, pos, " | ")
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pos = _PyiTypeStr(buf, buf_size, pos, bop.right)
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return pos
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# Constant: 字符串前向引用 (如 'MyClass')、None 或数字常量（CArray count）
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if k == ast.ASTKind.Constant:
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cn: ast.Constant | t.CPtr = (ast.Constant | t.CPtr)(annot)
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if cn.const_kind == ast.CONST_STR:
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pos = _PyiEmit(buf, buf_size, pos, "'")
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if cn.str_val is not None:
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pos = _PyiEmit(buf, buf_size, pos, cn.str_val)
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pos = _PyiEmit(buf, buf_size, pos, "'")
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return pos
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if cn.const_kind == ast.CONST_NONE:
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return _PyiEmit(buf, buf_size, pos, "None")
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# 数字常量（t.CArray[t.CUInt32T, 64] 的 count 等）：输出数值本身，
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# 而不是回退 t.CInt——否则 vpi 生成 "t.CArray[..., t.CInt]" 在加载
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# stub 时触发 TypeError（count 必须是整数常量、None、CDefine 常量名
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# 或常量表达式）。
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if cn.const_kind == ast.CONST_INT or cn.const_kind == ast.CONST_CHAR:
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num_buf_ct: str = stdlib.malloc(24)
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if num_buf_ct is not None:
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viperlib.snprintf(num_buf_ct, 24, "%d", cn.int_val)
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pos = _PyiEmit(buf, buf_size, pos, num_buf_ct)
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stdlib.free(num_buf_ct)
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return pos
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return _PyiEmit(buf, buf_size, pos, "t.CInt")
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# Tuple: 多参数下标 (如 Dict[str, int])
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if k == ast.ASTKind.Tuple:
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tup: ast.Tuple | t.CPtr = (ast.Tuple | t.CPtr)(annot)
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if tup.elts is not None:
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tup_elts: list[ast.AST | t.CPtr] | t.CPtr = tup.elts
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tn: t.CSizeT = tup_elts.__len__()
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ti: t.CSizeT = 0
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while ti < tn:
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if ti > 0:
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pos = _PyiEmit(buf, buf_size, pos, ", ")
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el: ast.AST | t.CPtr = tup_elts.get(ti)
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pos = _PyiTypeStr(buf, buf_size, pos, el)
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ti += 1
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return pos
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# Call: 函数调用表达式 (用于装饰器如 @t.NoVTable())
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if k == ast.ASTKind.Call:
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cl: ast.Call | t.CPtr = (ast.Call | t.CPtr)(annot)
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pos = _PyiTypeStr(buf, buf_size, pos, cl.func)
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pos = _PyiEmit(buf, buf_size, pos, "(")
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if cl.args is not None:
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cl_args: list[ast.AST | t.CPtr] | t.CPtr = cl.args
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can: t.CSizeT = cl_args.__len__()
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cai: t.CSizeT = 0
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while cai < can:
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if cai > 0:
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pos = _PyiEmit(buf, buf_size, pos, ", ")
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ca: ast.AST | t.CPtr = cl_args.get(cai)
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pos = _PyiTypeStr(buf, buf_size, pos, ca)
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cai += 1
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pos = _PyiEmit(buf, buf_size, pos, ")")
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return pos
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# 未知类型，回退到 t.CInt
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return _PyiEmit(buf, buf_size, pos, "t.CInt")
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# ============================================================
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# _PyiFunction - 生成函数签名
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#
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# 格式: def name(param: Type, ...) -> ReturnType: pass
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# ============================================================
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def _PyiFunction(buf: bytes, buf_size: t.CSizeT, pos: t.CSizeT,
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fn: ast.FunctionDef | t.CPtr,
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indent_level: int, class_name: str) -> t.CSizeT:
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"""生成函数签名到 buf，返回新的 pos"""
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# 装饰器
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if fn.decorator_list is not None:
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fn_decorator_list: list[ast.AST | t.CPtr] | t.CPtr = fn.decorator_list
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dn: t.CSizeT = fn_decorator_list.__len__()
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di: t.CSizeT = 0
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while di < dn:
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dec: ast.AST | t.CPtr = fn_decorator_list.get(di)
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if dec is not None:
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pos = _PyiIndent(buf, buf_size, pos, indent_level)
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pos = _PyiEmit(buf, buf_size, pos, "@")
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pos = _PyiTypeStr(buf, buf_size, pos, dec)
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pos = _PyiEmit(buf, buf_size, pos, "\n")
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di += 1
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pos = _PyiIndent(buf, buf_size, pos, indent_level)
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pos = _PyiEmit(buf, buf_size, pos, "def ")
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if fn.name is not None:
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pos = _PyiEmit(buf, buf_size, pos, fn.name)
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pos = _PyiEmit(buf, buf_size, pos, "(")
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# 参数列表
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args_node: ast.AST | t.CPtr = fn.args
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if args_node is not None:
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args: ast.Arguments | t.CPtr = (ast.Arguments | t.CPtr)(args_node)
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first: int = 1
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# 位置参数
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if args.args is not None:
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args_args: list[ast.AST | t.CPtr] | t.CPtr = args.args
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an: t.CSizeT = args_args.__len__()
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ai: t.CSizeT = 0
|
||
while ai < an:
|
||
if first == 0:
|
||
pos = _PyiEmit(buf, buf_size, pos, ", ")
|
||
first = 0
|
||
ag: ast.Arg | t.CPtr = (ast.Arg | t.CPtr)(args_args.get(ai))
|
||
if ag.arg is not None:
|
||
pos = _PyiEmit(buf, buf_size, pos, ag.arg)
|
||
if ag.annotation is not None:
|
||
pos = _PyiEmit(buf, buf_size, pos, ": ")
|
||
pos = _PyiTypeStr(buf, buf_size, pos, ag.annotation)
|
||
ai += 1
|
||
|
||
# *args
|
||
if args.vararg is not None:
|
||
if first == 0:
|
||
pos = _PyiEmit(buf, buf_size, pos, ", ")
|
||
first = 0
|
||
pos = _PyiEmit(buf, buf_size, pos, "*")
|
||
va: ast.Arg | t.CPtr = (ast.Arg | t.CPtr)(args.vararg)
|
||
if va.arg is not None:
|
||
pos = _PyiEmit(buf, buf_size, pos, va.arg)
|
||
|
||
# **kwargs
|
||
if args.kwarg is not None:
|
||
if first == 0:
|
||
pos = _PyiEmit(buf, buf_size, pos, ", ")
|
||
first = 0
|
||
pos = _PyiEmit(buf, buf_size, pos, "**")
|
||
kw: ast.Arg | t.CPtr = (ast.Arg | t.CPtr)(args.kwarg)
|
||
if kw.arg is not None:
|
||
pos = _PyiEmit(buf, buf_size, pos, kw.arg)
|
||
|
||
pos = _PyiEmit(buf, buf_size, pos, ")")
|
||
|
||
# 返回类型
|
||
if fn.returns is not None:
|
||
pos = _PyiEmit(buf, buf_size, pos, " -> ")
|
||
pos = _PyiTypeStr(buf, buf_size, pos, fn.returns)
|
||
|
||
pos = _PyiEmit(buf, buf_size, pos, ": pass\n")
|
||
return pos
|
||
|
||
|
||
# ============================================================
|
||
# _PyiClass - 生成类定义
|
||
#
|
||
# 格式:
|
||
# class Name(Base):
|
||
# field: Type
|
||
# def method(self: Name, ...) -> RetType: pass
|
||
# ============================================================
|
||
def _PyiClass(buf: bytes, buf_size: t.CSizeT, pos: t.CSizeT,
|
||
cls: ast.ClassDef | t.CPtr, indent_level: int) -> t.CSizeT:
|
||
"""生成类定义到 buf，返回新的 pos"""
|
||
# 装饰器
|
||
if cls.decorator_list is not None:
|
||
cls_decorator_list: list[ast.AST | t.CPtr] | t.CPtr = cls.decorator_list
|
||
dcn: t.CSizeT = cls_decorator_list.__len__()
|
||
dci: t.CSizeT = 0
|
||
while dci < dcn:
|
||
ddec: ast.AST | t.CPtr = cls_decorator_list.get(dci)
|
||
if ddec is not None:
|
||
pos = _PyiIndent(buf, buf_size, pos, indent_level)
|
||
pos = _PyiEmit(buf, buf_size, pos, "@")
|
||
pos = _PyiTypeStr(buf, buf_size, pos, ddec)
|
||
pos = _PyiEmit(buf, buf_size, pos, "\n")
|
||
dci += 1
|
||
|
||
pos = _PyiIndent(buf, buf_size, pos, indent_level)
|
||
pos = _PyiEmit(buf, buf_size, pos, "class ")
|
||
if cls.name is not None:
|
||
pos = _PyiEmit(buf, buf_size, pos, cls.name)
|
||
|
||
# PEP 695 类型参数 (class Foo[T]:)
|
||
if cls.type_params is not None:
|
||
cls_type_params: list[ast.AST | t.CPtr] | t.CPtr = cls.type_params
|
||
tpn: t.CSizeT = cls_type_params.__len__()
|
||
if tpn > 0:
|
||
pos = _PyiEmit(buf, buf_size, pos, "[")
|
||
tpi: t.CSizeT = 0
|
||
while tpi < tpn:
|
||
if tpi > 0:
|
||
pos = _PyiEmit(buf, buf_size, pos, ", ")
|
||
tpname: str = cls_type_params.get(tpi)
|
||
if tpname is not None:
|
||
pos = _PyiEmit(buf, buf_size, pos, tpname)
|
||
tpi += 1
|
||
pos = _PyiEmit(buf, buf_size, pos, "]")
|
||
|
||
# 基类
|
||
if cls.bases is not None:
|
||
cls_bases: list[ast.AST | t.CPtr] | t.CPtr = cls.bases
|
||
bn: t.CSizeT = cls_bases.__len__()
|
||
if bn > 0:
|
||
pos = _PyiEmit(buf, buf_size, pos, "(")
|
||
bi: t.CSizeT = 0
|
||
while bi < bn:
|
||
if bi > 0:
|
||
pos = _PyiEmit(buf, buf_size, pos, ", ")
|
||
base: ast.AST | t.CPtr = cls_bases.get(bi)
|
||
pos = _PyiTypeStr(buf, buf_size, pos, base)
|
||
bi += 1
|
||
pos = _PyiEmit(buf, buf_size, pos, ")")
|
||
|
||
pos = _PyiEmit(buf, buf_size, pos, ":\n")
|
||
|
||
# 类成员
|
||
has_member: int = 0
|
||
|
||
if cls.children is not None:
|
||
cls_children: list[ast.AST | t.CPtr] | t.CPtr = cls.children
|
||
cn: t.CSizeT = cls_children.__len__()
|
||
ci: t.CSizeT = 0
|
||
while ci < cn:
|
||
stmt: ast.AST | t.CPtr = cls_children.get(ci)
|
||
if stmt is not None:
|
||
sk: int = stmt.kind()
|
||
|
||
# 方法
|
||
if sk == ast.ASTKind.FunctionDef:
|
||
mfn: ast.FunctionDef | t.CPtr = (ast.FunctionDef | t.CPtr)(stmt)
|
||
# __init__ 方法：先提取 self.x: Type 属性
|
||
if mfn.name is not None and string.strcmp(mfn.name, "__init__") == 0:
|
||
if mfn.children is not None:
|
||
mfn_children: list[ast.AST | t.CPtr] | t.CPtr = mfn.children
|
||
icn: t.CSizeT = mfn_children.__len__()
|
||
ici: t.CSizeT = 0
|
||
while ici < icn:
|
||
ibody: ast.AST | t.CPtr = mfn_children.get(ici)
|
||
if ibody is not None and ibody.kind() == ast.ASTKind.AnnAssign:
|
||
iaa: ast.AnnAssign | t.CPtr = (ast.AnnAssign | t.CPtr)(ibody)
|
||
if iaa.target is not None and iaa.target.kind() == ast.ASTKind.Attribute:
|
||
iat: ast.Attribute | t.CPtr = (ast.Attribute | t.CPtr)(iaa.target)
|
||
# 检查 target.value 是否为 Name("self")
|
||
if iat.value is not None and iat.value.kind() == ast.ASTKind.Name:
|
||
iavn: ast.Name | t.CPtr = (ast.Name | t.CPtr)(iat.value)
|
||
if iavn.id is None or string.strcmp(iavn.id, "self") != 0:
|
||
ici += 1
|
||
continue
|
||
pos = _PyiIndent(buf, buf_size, pos, indent_level + 1)
|
||
if iat.attr is not None:
|
||
pos = _PyiEmit(buf, buf_size, pos, iat.attr)
|
||
pos = _PyiEmit(buf, buf_size, pos, ": ")
|
||
pos = _PyiTypeStr(buf, buf_size, pos, iaa.annotation)
|
||
pos = _PyiEmit(buf, buf_size, pos, "\n")
|
||
has_member = 1
|
||
ici += 1
|
||
pos = _PyiFunction(buf, buf_size, pos, mfn, indent_level + 1, cls.name)
|
||
has_member = 1
|
||
|
||
# 带注解的属性
|
||
elif sk == ast.ASTKind.AnnAssign:
|
||
aa: ast.AnnAssign | t.CPtr = (ast.AnnAssign | t.CPtr)(stmt)
|
||
if aa.target is not None and aa.target.kind() == ast.ASTKind.Name:
|
||
tn: ast.Name | t.CPtr = (ast.Name | t.CPtr)(aa.target)
|
||
pos = _PyiIndent(buf, buf_size, pos, indent_level + 1)
|
||
if tn.id is not None:
|
||
pos = _PyiEmit(buf, buf_size, pos, tn.id)
|
||
pos = _PyiEmit(buf, buf_size, pos, ": ")
|
||
pos = _PyiTypeStr(buf, buf_size, pos, aa.annotation)
|
||
pos = _PyiEmit(buf, buf_size, pos, "\n")
|
||
has_member = 1
|
||
|
||
# 嵌套类
|
||
elif sk == ast.ASTKind.ClassDef:
|
||
ncls: ast.ClassDef | t.CPtr = (ast.ClassDef | t.CPtr)(stmt)
|
||
pos = _PyiClass(buf, buf_size, pos, ncls, indent_level + 1)
|
||
has_member = 1
|
||
ci += 1
|
||
|
||
# 空类补 pass
|
||
if has_member == 0:
|
||
pos = _PyiIndent(buf, buf_size, pos, indent_level + 1)
|
||
pos = _PyiEmit(buf, buf_size, pos, "pass\n")
|
||
|
||
pos = _PyiEmit(buf, buf_size, pos, "\n")
|
||
return pos
|
||
|
||
|
||
# ============================================================
|
||
# _GeneratePyiFromAst - 从 AST 生成 .vpi 存根文件
|
||
#
|
||
# 遍历 AST Module 节点，提取函数签名、类定义、变量声明、import 语句，
|
||
# 生成 Python 类型存根文件内容到 buf。
|
||
#
|
||
# Args:
|
||
# mb: 内存池（保留以符合调用约定，实际未使用）
|
||
# tree: AST Module 根节点
|
||
# rel_path: 相对路径（用于模块名，当前未使用）
|
||
# buf: 输出缓冲区
|
||
# buf_size: 缓冲区大小
|
||
#
|
||
# Returns:
|
||
# 写入的字节数（0 表示失败）
|
||
# ============================================================
|
||
def _GeneratePyiFromAst(mb: memhub.MemBuddy | t.CPtr, tree: ast.AST | t.CPtr,
|
||
rel_path: str, buf: bytes,
|
||
buf_size: t.CSizeT) -> t.CSizeT:
|
||
"""从 AST 生成 .vpi 存根文件内容到 buf"""
|
||
if tree is None or buf is None or buf_size == 0:
|
||
return 0
|
||
|
||
pos: t.CSizeT = 0
|
||
|
||
# 预处理：按声明顺序注册本文件 CDefine 到 _g_pyi 缓存（供 BinOp 求值）
|
||
# vpi 生成（Phase1 L1614）早于翻译阶段的 CDefine 注册（L1629+），直接查
|
||
# HandlesType 全局表为空 → BinOp 内 Name 引用退化为 0（ZDEFLATE_WINDOW_SIZE
|
||
# = 1<<0 = 1、MASK = 0-1 = -1 → 跨模块读回错误常量 → 索引越界崩溃根因）。
|
||
# 必须 global 声明：TPV 语义下函数内对模块级变量赋值无 global 时创建局部
|
||
# 变量（_lookup_cdefine_for_pyi 读到的仍是模块级 None → 缓存永不命中，
|
||
# 追加58 首版失效根因）。
|
||
global _g_pyi_cdef_names
|
||
global _g_pyi_cdef_vals
|
||
global _g_pyi_cdef_count
|
||
if tree.children is not None:
|
||
pre_children: list[ast.AST | t.CPtr] | t.CPtr = tree.children
|
||
pcn: t.CSizeT = pre_children.__len__()
|
||
# 第一遍：数本文件 t.CDefine 声明数（C 数组需先定长分配）
|
||
_g_pyi_cdef_count = 0
|
||
pci0: t.CSizeT = 0
|
||
while pci0 < pcn:
|
||
stmt_pc0: ast.AST | t.CPtr = pre_children.get(pci0)
|
||
if stmt_pc0 is not None and stmt_pc0.kind() == ast.ASTKind.AnnAssign:
|
||
aa_pc0: ast.AnnAssign | t.CPtr = (ast.AnnAssign | t.CPtr)(stmt_pc0)
|
||
if aa_pc0.target is not None and aa_pc0.target.kind() == ast.ASTKind.Name \
|
||
and aa_pc0.annotation is not None:
|
||
tgt_pc0: ast.Name | t.CPtr = (ast.Name | t.CPtr)(aa_pc0.target)
|
||
if tgt_pc0.id is not None and aa_pc0.annotation.kind() == ast.ASTKind.Attribute:
|
||
ann_pc0: ast.Attribute | t.CPtr = (ast.Attribute | t.CPtr)(aa_pc0.annotation)
|
||
if ann_pc0.attr is not None and string.strcmp(ann_pc0.attr, "CDefine") == 0:
|
||
_g_pyi_cdef_count += 1
|
||
pci0 += 1
|
||
if _g_pyi_cdef_count > 0:
|
||
_g_pyi_cdef_names = list[str](mb, t.CSizeT(_g_pyi_cdef_count))
|
||
_g_pyi_cdef_vals = (t.CInt64T | t.CPtr)(mb.alloc(t.CSizeT(_g_pyi_cdef_count) * 8))
|
||
# 第二遍：按声明顺序注册（BinOp 内 Name 引用依赖先前注册项）
|
||
pci: t.CSizeT = 0
|
||
cdi: t.CInt = 0
|
||
while pci < pcn:
|
||
stmt_pc: ast.AST | t.CPtr = pre_children.get(pci)
|
||
if stmt_pc is not None and stmt_pc.kind() == ast.ASTKind.AnnAssign:
|
||
aa_pc: ast.AnnAssign | t.CPtr = (ast.AnnAssign | t.CPtr)(stmt_pc)
|
||
if aa_pc.target is not None and aa_pc.target.kind() == ast.ASTKind.Name \
|
||
and aa_pc.annotation is not None:
|
||
tgt_pc: ast.Name | t.CPtr = (ast.Name | t.CPtr)(aa_pc.target)
|
||
if tgt_pc.id is not None and aa_pc.annotation.kind() == ast.ASTKind.Attribute:
|
||
ann_pc: ast.Attribute | t.CPtr = (ast.Attribute | t.CPtr)(aa_pc.annotation)
|
||
if ann_pc.attr is not None and string.strcmp(ann_pc.attr, "CDefine") == 0:
|
||
if _g_pyi_cdef_names is not None and _g_pyi_cdef_vals is not None:
|
||
_g_pyi_cdef_names.append(tgt_pc.id)
|
||
_g_pyi_cdef_vals[cdi] = _eval_cdefine_value_cache(aa_pc.value)
|
||
cdi += 1
|
||
pci += 1
|
||
|
||
# 文件头
|
||
pos = _PyiEmit(buf, buf_size, pos, "\"\"\"Auto-generated Python stub file\"\"\"\n\n")
|
||
|
||
if tree.children is None:
|
||
if pos < buf_size:
|
||
buf[pos] = 0
|
||
return pos
|
||
|
||
tree_children: list[ast.AST | t.CPtr] | t.CPtr = tree.children
|
||
n: t.CSizeT = tree_children.__len__()
|
||
|
||
# 第一遍扫描：检测 import t/c
|
||
has_import_t: int = 0
|
||
has_import_c: int = 0
|
||
i: t.CSizeT = 0
|
||
while i < n:
|
||
stmt: ast.AST | t.CPtr = tree_children.get(i)
|
||
if stmt is not None and stmt.kind() == ast.ASTKind.Import:
|
||
imp: ast.Import | t.CPtr = (ast.Import | t.CPtr)(stmt)
|
||
if imp.names is not None:
|
||
imp_names: list[ast.AST | t.CPtr] | t.CPtr = imp.names
|
||
an: t.CSizeT = imp_names.__len__()
|
||
ai: t.CSizeT = 0
|
||
while ai < an:
|
||
al: ast.Alias | t.CPtr = (ast.Alias | t.CPtr)(imp_names.get(ai))
|
||
if al is not None and al.name is not None:
|
||
if string.strcmp(al.name, "t") == 0:
|
||
has_import_t = 1
|
||
elif string.strcmp(al.name, "c") == 0:
|
||
has_import_c = 1
|
||
ai += 1
|
||
i += 1
|
||
|
||
# 补充缺失的 import t/c
|
||
if has_import_t == 0 and has_import_c == 0:
|
||
pos = _PyiEmit(buf, buf_size, pos, "import t, c\n\n")
|
||
elif has_import_t == 0:
|
||
pos = _PyiEmit(buf, buf_size, pos, "import t\n\n")
|
||
elif has_import_c == 0:
|
||
pos = _PyiEmit(buf, buf_size, pos, "import c\n\n")
|
||
else:
|
||
pos = _PyiEmit(buf, buf_size, pos, "\n")
|
||
|
||
# 第二遍扫描：生成声明
|
||
i = 0
|
||
while i < n:
|
||
stmt = tree_children.get(i)
|
||
if stmt is not None:
|
||
k: int = stmt.kind()
|
||
|
||
# Import 语句
|
||
if k == ast.ASTKind.Import:
|
||
imp2: ast.Import | t.CPtr = (ast.Import | t.CPtr)(stmt)
|
||
pos = _PyiEmit(buf, buf_size, pos, "import ")
|
||
if imp2.names is not None:
|
||
imp2_names: list[ast.AST | t.CPtr] | t.CPtr = imp2.names
|
||
an2: t.CSizeT = imp2_names.__len__()
|
||
ai2: t.CSizeT = 0
|
||
while ai2 < an2:
|
||
if ai2 > 0:
|
||
pos = _PyiEmit(buf, buf_size, pos, ", ")
|
||
al2: ast.Alias | t.CPtr = (ast.Alias | t.CPtr)(imp2_names.get(ai2))
|
||
if al2 is not None and al2.name is not None:
|
||
pos = _PyiEmit(buf, buf_size, pos, al2.name)
|
||
if al2.asname is not None and string.strlen(al2.asname) > 0:
|
||
pos = _PyiEmit(buf, buf_size, pos, " as ")
|
||
pos = _PyiEmit(buf, buf_size, pos, al2.asname)
|
||
ai2 += 1
|
||
pos = _PyiEmit(buf, buf_size, pos, "\n")
|
||
|
||
# ImportFrom 语句
|
||
elif k == ast.ASTKind.ImportFrom:
|
||
ifr: ast.ImportFrom | t.CPtr = (ast.ImportFrom | t.CPtr)(stmt)
|
||
pos = _PyiEmit(buf, buf_size, pos, "from ")
|
||
lvl: int = ifr.level
|
||
while lvl > 0:
|
||
pos = _PyiEmit(buf, buf_size, pos, ".")
|
||
lvl -= 1
|
||
if ifr.module is not None:
|
||
pos = _PyiEmit(buf, buf_size, pos, ifr.module)
|
||
pos = _PyiEmit(buf, buf_size, pos, " import ")
|
||
if ifr.names is not None:
|
||
ifr_names: list[ast.AST | t.CPtr] | t.CPtr = ifr.names
|
||
an3: t.CSizeT = ifr_names.__len__()
|
||
ai3: t.CSizeT = 0
|
||
while ai3 < an3:
|
||
if ai3 > 0:
|
||
pos = _PyiEmit(buf, buf_size, pos, ", ")
|
||
al3: ast.Alias | t.CPtr = (ast.Alias | t.CPtr)(ifr_names.get(ai3))
|
||
if al3 is not None and al3.name is not None:
|
||
pos = _PyiEmit(buf, buf_size, pos, al3.name)
|
||
if al3.asname is not None and string.strlen(al3.asname) > 0:
|
||
pos = _PyiEmit(buf, buf_size, pos, " as ")
|
||
pos = _PyiEmit(buf, buf_size, pos, al3.asname)
|
||
ai3 += 1
|
||
pos = _PyiEmit(buf, buf_size, pos, "\n")
|
||
|
||
# 函数定义
|
||
elif k == ast.ASTKind.FunctionDef:
|
||
fn: ast.FunctionDef | t.CPtr = (ast.FunctionDef | t.CPtr)(stmt)
|
||
pos = _PyiFunction(buf, buf_size, pos, fn, 0, "")
|
||
pos = _PyiEmit(buf, buf_size, pos, "\n")
|
||
|
||
# 类定义
|
||
elif k == ast.ASTKind.ClassDef:
|
||
cls: ast.ClassDef | t.CPtr = (ast.ClassDef | t.CPtr)(stmt)
|
||
pos = _PyiClass(buf, buf_size, pos, cls, 0)
|
||
|
||
# 带注解的变量声明
|
||
elif k == ast.ASTKind.AnnAssign:
|
||
aa: ast.AnnAssign | t.CPtr = (ast.AnnAssign | t.CPtr)(stmt)
|
||
if aa.target is not None and aa.target.kind() == ast.ASTKind.Name:
|
||
nm: ast.Name | t.CPtr = (ast.Name | t.CPtr)(aa.target)
|
||
if nm.id is not None:
|
||
pos = _PyiEmit(buf, buf_size, pos, nm.id)
|
||
pos = _PyiEmit(buf, buf_size, pos, ": ")
|
||
pos = _PyiTypeStr(buf, buf_size, pos, aa.annotation)
|
||
# 如果有值（如 CDefine 常量），输出 = value
|
||
# CTypedef 特殊处理：值是类型表达式（如 VOIDPTR / t.CVoid | t.CPtr），
|
||
# 不是整数，用 _PyiTypeStr 输出类型字符串
|
||
is_ctypedef_ann: int = 0
|
||
if aa.annotation is not None and aa.annotation.kind() == ast.ASTKind.Attribute:
|
||
ctd_at: ast.Attribute | t.CPtr = (ast.Attribute | t.CPtr)(aa.annotation)
|
||
if ctd_at.attr is not None and string.strcmp(ctd_at.attr, "CTypedef") == 0:
|
||
if ctd_at.value is not None and ctd_at.value.kind() == ast.ASTKind.Name:
|
||
ctd_mod: ast.Name | t.CPtr = (ast.Name | t.CPtr)(ctd_at.value)
|
||
if ctd_mod.id is not None and string.strcmp(ctd_mod.id, "t") == 0:
|
||
is_ctypedef_ann = 1
|
||
if is_ctypedef_ann != 0 and aa.value is not None:
|
||
pos = _PyiEmit(buf, buf_size, pos, " = ")
|
||
pos = _PyiTypeStr(buf, buf_size, pos, aa.value)
|
||
elif aa.value is not None and aa.value.kind() == ast.ASTKind.Constant:
|
||
cv: ast.Constant | t.CPtr = (ast.Constant | t.CPtr)(aa.value)
|
||
num_buf: bytes = mb.alloc(32)
|
||
if cv.const_kind == ast.CONST_INT and num_buf is not None:
|
||
viperlib.snprintf(num_buf, 32, " = %lld", cv.int_val)
|
||
pos = _PyiEmit(buf, buf_size, pos, num_buf)
|
||
elif cv.const_kind == ast.CONST_FLOAT:
|
||
# 浮点 CDefine（numpy 的 pi/e 等）：stub 必须输出值。
|
||
# 否则读回端"vpi 中任一 CDefine 带值 → 不读源文件"
|
||
# 的启发式会被同模块 int CDefine（如 MAX_NDIM=4）
|
||
# 挡住，无值的 pi 解析不到 → 退化 @pi 全局指针 →
|
||
# float<->ptr 报错（NumpyTest 根因）。%.17g 保证
|
||
# double 全精度往返（与读回端缓存格式一致）。
|
||
fbuf_c: bytes = mb.alloc(64)
|
||
if fbuf_c is not None:
|
||
viperlib.snprintf(fbuf_c, 64, " = %.17g", cv.float_val)
|
||
pos = _PyiEmit(buf, buf_size, pos, fbuf_c)
|
||
elif cv.const_kind == ast.CONST_BOOL:
|
||
if cv.int_val != 0:
|
||
pos = _PyiEmit(buf, buf_size, pos, " = True")
|
||
else:
|
||
pos = _PyiEmit(buf, buf_size, pos, " = False")
|
||
elif cv.const_kind == ast.CONST_STR:
|
||
# 字符串 CDefine（pyzlib.ZLIB_VERSION = "1.3.2" 等）：
|
||
# stub 必须输出值（同 CONST_FLOAT 追加44 教训——读回端
|
||
# 按目标名判定会回退源文件可工作，但 stub 应自包含）
|
||
sbuf_c: bytes = mb.alloc(string.strlen(cv.str_val) + 6)
|
||
if sbuf_c is not None:
|
||
viperlib.snprintf(sbuf_c, string.strlen(cv.str_val) + 6,
|
||
" = \"%s\"", cv.str_val)
|
||
pos = _PyiEmit(buf, buf_size, pos, sbuf_c)
|
||
elif cv.const_kind == ast.CONST_NONE:
|
||
pos = _PyiEmit(buf, buf_size, pos, " = None")
|
||
elif aa.value is not None and aa.value.kind() == ast.ASTKind.UnaryOp:
|
||
# 处理负值常量（如 INVALID_HANDLE_VALUE = -1）
|
||
# UnaryOp(USub, Constant(1)) → -1
|
||
uop_cv: ast.UnaryOp | t.CPtr = (ast.UnaryOp | t.CPtr)(aa.value)
|
||
num_buf_u: bytes = mb.alloc(32)
|
||
if uop_cv.op == ast.OpKind.USub and uop_cv.operand is not None \
|
||
and uop_cv.operand.kind() == ast.ASTKind.Constant:
|
||
uop_const: ast.Constant | t.CPtr = (ast.Constant | t.CPtr)(uop_cv.operand)
|
||
if uop_const.const_kind == ast.CONST_INT and num_buf_u is not None:
|
||
neg_val: t.CInt64T = -uop_const.int_val
|
||
viperlib.snprintf(num_buf_u, 32, " = %lld", neg_val)
|
||
pos = _PyiEmit(buf, buf_size, pos, num_buf_u)
|
||
elif aa.value is not None and aa.value.kind() == ast.ASTKind.Call:
|
||
# 处理类型构造函数常量（如 t.CUnsignedLong(-11)）
|
||
# 提取第一个参数的整数值并输出
|
||
call_cv: ast.Call | t.CPtr = (ast.Call | t.CPtr)(aa.value)
|
||
if call_cv.args is not None:
|
||
call_args_cv: list[ast.AST | t.CPtr] | t.CPtr = call_cv.args
|
||
if call_args_cv.__len__() > 0:
|
||
first_arg: ast.AST | t.CPtr = call_args_cv.get(0)
|
||
if first_arg is not None:
|
||
arg_kind: int = first_arg.kind()
|
||
if arg_kind == ast.ASTKind.Constant:
|
||
ca_cv: ast.Constant | t.CPtr = (ast.Constant | t.CPtr)(first_arg)
|
||
num_buf_c: bytes = mb.alloc(32)
|
||
if ca_cv.const_kind == ast.CONST_INT and num_buf_c is not None:
|
||
viperlib.snprintf(num_buf_c, 32, " = %lld", ca_cv.int_val)
|
||
pos = _PyiEmit(buf, buf_size, pos, num_buf_c)
|
||
elif arg_kind == ast.ASTKind.UnaryOp:
|
||
uop_ca: ast.UnaryOp | t.CPtr = (ast.UnaryOp | t.CPtr)(first_arg)
|
||
num_buf_cu: bytes = mb.alloc(32)
|
||
if uop_ca.op == ast.OpKind.USub and uop_ca.operand is not None \
|
||
and uop_ca.operand.kind() == ast.ASTKind.Constant:
|
||
uoc: ast.Constant | t.CPtr = (ast.Constant | t.CPtr)(uop_ca.operand)
|
||
if uoc.const_kind == ast.CONST_INT and num_buf_cu is not None:
|
||
neg_c_val: t.CInt64T = -uoc.int_val
|
||
viperlib.snprintf(num_buf_cu, 32, " = %lld", neg_c_val)
|
||
pos = _PyiEmit(buf, buf_size, pos, num_buf_cu)
|
||
elif arg_kind == ast.ASTKind.BinOp:
|
||
# Call 内部的 BinOp（如 t.CUnsignedLong(A | B)）
|
||
# 递归计算 BinOp 值
|
||
binop_val_bo: t.CInt64T = _eval_binop_int(first_arg)
|
||
num_buf_bo: bytes = mb.alloc(32)
|
||
if (binop_val_bo != 0 or _eval_binop_valid(first_arg) != 0) \
|
||
and num_buf_bo is not None:
|
||
viperlib.snprintf(num_buf_bo, 32, " = %lld", binop_val_bo)
|
||
pos = _PyiEmit(buf, buf_size, pos, num_buf_bo)
|
||
elif aa.value is not None and aa.value.kind() == ast.ASTKind.BinOp:
|
||
# 处理 BinOp 常量（如 FOREGROUND_COMBO = FOREGROUND_RED | FOREGROUND_GREEN）
|
||
# 递归计算 BinOp 值并输出
|
||
binop_val_av: t.CInt64T = _eval_binop_int(aa.value)
|
||
if binop_val_av != 0 or _eval_binop_valid(aa.value) != 0:
|
||
num_buf_b: bytes = mb.alloc(32)
|
||
if num_buf_b is not None:
|
||
viperlib.snprintf(num_buf_b, 32, " = %lld", binop_val_av)
|
||
pos = _PyiEmit(buf, buf_size, pos, num_buf_b)
|
||
elif aa.value is not None and aa.value.kind() == ast.ASTKind.Name:
|
||
# 处理 Name 引用常量（如 ALIAS = OTHER_CONST）
|
||
# 输出引用的名字，让消费方在本地查找
|
||
name_val: ast.Name | t.CPtr = (ast.Name | t.CPtr)(aa.value)
|
||
if name_val.id is not None:
|
||
pos = _PyiEmit(buf, buf_size, pos, " = ")
|
||
pos = _PyiEmit(buf, buf_size, pos, name_val.id)
|
||
pos = _PyiEmit(buf, buf_size, pos, "\n")
|
||
|
||
# 全局赋值（无注解）— 从 Constant value 推断类型
|
||
elif k == ast.ASTKind.Assign:
|
||
asg: ast.Assign | t.CPtr = (ast.Assign | t.CPtr)(stmt)
|
||
if asg.targets is not None and asg.value is not None:
|
||
asg_targets: list[ast.AST | t.CPtr] | t.CPtr = asg.targets
|
||
atn: t.CSizeT = asg_targets.__len__()
|
||
if atn == 1:
|
||
atg: ast.AST | t.CPtr = asg_targets.get(0)
|
||
if atg is not None and atg.kind() == ast.ASTKind.Name:
|
||
agn: ast.Name | t.CPtr = (ast.Name | t.CPtr)(atg)
|
||
aval: ast.AST | t.CPtr = asg.value
|
||
avk: int = aval.kind()
|
||
inferred: int = 0
|
||
if avk == ast.ASTKind.Constant:
|
||
acv: ast.Constant | t.CPtr = (ast.Constant | t.CPtr)(aval)
|
||
if acv.const_kind == ast.CONST_INT:
|
||
inferred = 1
|
||
elif acv.const_kind == ast.CONST_FLOAT:
|
||
inferred = 2
|
||
elif acv.const_kind == ast.CONST_STR:
|
||
inferred = 3
|
||
elif acv.const_kind == ast.CONST_BOOL:
|
||
inferred = 4
|
||
elif acv.const_kind == ast.CONST_NONE:
|
||
inferred = 5
|
||
if inferred > 0 and agn.id is not None:
|
||
pos = _PyiEmit(buf, buf_size, pos, agn.id)
|
||
pos = _PyiEmit(buf, buf_size, pos, ": ")
|
||
if inferred == 1:
|
||
pos = _PyiEmit(buf, buf_size, pos, "t.CInt")
|
||
elif inferred == 2:
|
||
pos = _PyiEmit(buf, buf_size, pos, "t.CDouble")
|
||
elif inferred == 3:
|
||
pos = _PyiEmit(buf, buf_size, pos, "str")
|
||
elif inferred == 4:
|
||
pos = _PyiEmit(buf, buf_size, pos, "bool")
|
||
elif inferred == 5:
|
||
pos = _PyiEmit(buf, buf_size, pos, "None")
|
||
pos = _PyiEmit(buf, buf_size, pos, "\n")
|
||
|
||
i += 1
|
||
|
||
# NUL 终止
|
||
if pos < buf_size:
|
||
buf[pos] = 0
|
||
else:
|
||
buf[buf_size - 1] = 0
|
||
return pos
|