481 lines
21 KiB
Plaintext
481 lines
21 KiB
Plaintext
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 stdlib
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import stdio
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import sys
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import memhub
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import llvmlite
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import viperlib
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import w32.fileio as fileio
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import lib.core.VLogger as VLogger
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import lib.core.Handles.HandlesType as HandlesType
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import lib.core.Handles.HandlesStruct as HandlesStruct
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import lib.core.Handles.HandlesExprCall as HandlesExprCall
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import lib.core.Handles.HandlesFunctions as HandlesFunctions
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import lib.core.Handles.HandlesTranslator as HT
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# ============================================================
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# _ddebug_exit - DDEBUG 拦截退出辅助函数
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#
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# 刷新 stderr 缓冲区并通过 VLogger 输出可见消息后退出。
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# 解决 sys.exit(1) 不刷新缓冲区导致 DDEBUG 消息丢失的问题。
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# ============================================================
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def _ddebug_exit() -> None:
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stdio.fflush(stdio.stderr)
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VLogger.error("DDEBUG intercept triggered - check stderr for details")
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# ============================================================
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# VpiReader - .vpi AST 解析器
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#
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# 从 .vpi 存根文件读取函数签名和 CTypedef 定义，注入 declare
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# 到当前模块。用于跨模块函数调用时补充缺失的函数声明。
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#
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# .vpi 文件由 StubGen.Converter._GeneratePyiFromAst 生成，
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# 包含函数签名（无函数体）、类定义、变量声明、import 语句。
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# VpiReader 解析 .vpi 为 AST，提取 FunctionDef 和 CTypedef
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# AnnAssign，在当前模块创建对应的 declare 声明。
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# ============================================================
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# .vpi 读取缓冲区大小（256KB，与 PYI_BUF_SIZE 一致）
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VPI_READ_BUF_SIZE: t.CSizeT = 262144
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# SHA1 字符串长度（16 hex 字符）
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SHA1_LEN: t.CSizeT = 16
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# ============================================================
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# _extract_sha1_from_path - 从 .vpi 文件路径提取 SHA1
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#
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# .vpi 文件名格式为 {sha1}.vpi，sha1 是 16 位十六进制字符。
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# 从路径中找到最后一个路径分隔符（/ 或 \），取后续文件名的前
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# 16 个字符作为 SHA1。分配新缓冲区存储 SHA1（调用者负责 free）。
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#
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# Args:
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# vpi_path: .vpi 文件路径
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#
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# Returns:
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# SHA1 字符串（stdlib.malloc 分配，需 stdlib.free），None 失败
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# ============================================================
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def _extract_sha1_from_path(vpi_path: str) -> str:
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"""从 .vpi 文件路径提取 SHA1（文件名前16字符，malloc 分配）"""
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if vpi_path is None:
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return None
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# 查找最后一个路径分隔符 / 或 \
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total_len: t.CSizeT = string.strlen(vpi_path)
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if total_len < SHA1_LEN + 4: # 至少需要 "xxxx.vpi" 的长度
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return None
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# 从后向前查找最后一个 / 或 \
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sep_pos: t.CSizeT = total_len
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while sep_pos > 0:
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sep_pos -= 1
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ch: t.CChar = vpi_path[sep_pos]
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if ch == '/' or ch == '\\':
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sep_pos += 1
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break
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if sep_pos + SHA1_LEN > total_len:
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return None
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# 分配缓冲区并复制 SHA1（16 字符 + null 终止符）
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sha1_buf: str = stdlib.malloc(SHA1_LEN + 1)
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if sha1_buf is None:
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return None
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string.strncpy(sha1_buf, vpi_path + sep_pos, SHA1_LEN)
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sha1_buf[SHA1_LEN] = '\0'
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# DDEBUG: 检测从路径提取的 SHA1 是否带尾随点（>=17 字符），发现问题立即终止
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_ext_sl: t.CSizeT = string.strlen(sha1_buf)
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if _ext_sl >= 17:
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stdio.printf("[DDEBUG] _extract_sha1_from_path too long: len=%d sha1='%s' path='%s'\n", _ext_sl, sha1_buf, vpi_path)
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_ddebug_exit()
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return sha1_buf
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# ============================================================
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# ParseVpiIntoModule - 解析 .vpi 文件，将函数声明注入到当前模块
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#
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# 读取 .vpi 文件 → AST 解析 → 遍历顶层节点 → 创建 declare 声明。
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# 对每个 FunctionDef：
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# 1. 提取函数名、参数、返回类型
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# 2. 检测 CExport/CExtern/State 标记（决定是否用裸名）
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# 3. 用 find_func_in_module 去重（已存在则跳过）
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# 4. 用 create_declare + add_param 创建 declare 声明
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# 5. 注册到函数表（用裸名，非 mangled_name）
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# 对 AnnAssign with t.CTypedef：调用 register_ctypedef 注册
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# ClassDef/Import/ImportFrom：跳过
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#
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# Args:
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# pool: 内存池
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# mod: 当前 LLVM 模块
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# vpi_path: .vpi 文件路径
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# trans: 翻译器对象
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#
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# Returns:
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# 1=成功，0=失败
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# ============================================================
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def ParseVpiIntoModule(pool: memhub.MemBuddy | t.CPtr,
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mod: llvmlite.LLVMModule | t.CPtr,
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vpi_path: str,
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trans: HT.Translator | t.CPtr) -> int:
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"""解析 .vpi 文件，将函数声明注入到当前模块"""
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if pool is None or mod is None or vpi_path is None or trans is None:
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return 0
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# 获取当前翻译器的导入信息（供 resolve_annotation_type 使用）
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imported_modules: str = trans._imported_modules
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from_imports: str = trans._from_imports
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# 1. 读取 .vpi 文件
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f: fileio.File | t.CPtr = fileio.File(vpi_path, fileio.MODE.R)
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if f.closed:
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return 0
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vpi_buf: bytes = stdlib.malloc(VPI_READ_BUF_SIZE)
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if vpi_buf is None:
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f.close()
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return 0
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bytes_read: LONG = f.read_all(vpi_buf, VPI_READ_BUF_SIZE)
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f.close()
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if bytes_read <= 0:
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stdlib.free(vpi_buf)
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return 0
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if bytes_read < VPI_READ_BUF_SIZE:
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vpi_buf[bytes_read] = 0
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else:
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vpi_buf[VPI_READ_BUF_SIZE - 1] = 0
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# 2. 解析为 AST
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lx: ast.Lexer | t.CPtr = ast.new_lexer(pool)
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if lx is None:
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stdlib.free(vpi_buf)
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return 0
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ast._lexer_init(lx, vpi_buf, pool)
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tokens: ast.Token | t.CPtr = ast.tokenize(lx)
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tree: ast.AST | t.CPtr = ast.parse_tokens(pool, tokens)
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stdlib.free(vpi_buf)
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if tree is None:
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return 0
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# 提取源模块 SHA1（用于函数名混淆，在 AST 解析成功后提取避免提前返回时泄漏）
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src_sha1: str = _extract_sha1_from_path(vpi_path)
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# 3. 遍历 AST 顶层节点
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ch: list[ast.AST | t.CPtr] | t.CPtr = tree.children
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if ch is None:
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if src_sha1 is not None:
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stdlib.free(src_sha1)
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return 1
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n: t.CSizeT = ch.__len__()
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i32_ty: llvmlite.LLVMType | t.CPtr = llvmlite.Int32(pool)
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i8_ty: llvmlite.LLVMType | t.CPtr = llvmlite.Int8(pool)
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i8_ptr_ty: llvmlite.LLVMType | t.CPtr = llvmlite.Ptr(pool, i8_ty)
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# 函数表信息
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funcs_ptr: HandlesExprCall.FuncEntry | t.CPtr = trans._funcs
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max_funcs: int = 256
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i: t.CSizeT
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for i in range(n):
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child: ast.AST | t.CPtr = ch.get(i)
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if child is None:
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continue
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kd: int = child.kind()
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# FunctionDef → 提取函数名、参数、返回类型 → 注入 declare
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if kd == ast.ASTKind.FunctionDef:
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fd: ast.FunctionDef | t.CPtr = (ast.FunctionDef | t.CPtr)(child)
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if fd is None or fd.name is None:
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continue
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_inject_function_declare(pool, mod, fd, trans, src_sha1,
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imported_modules, from_imports,
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i32_ty, i8_ptr_ty,
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funcs_ptr, max_funcs)
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continue
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# AnnAssign with t.CTypedef → 注册 CTypedef
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if kd == ast.ASTKind.AnnAssign:
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aa: ast.AnnAssign | t.CPtr = (ast.AnnAssign | t.CPtr)(child)
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if aa is None:
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continue
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if HandlesType._is_ctypedef_annotation(aa.annotation) != 0:
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_register_ctypedef_from_annassign(pool, aa)
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continue
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# ClassDef → 递归注入类内方法（如 MemBuddy.__init__/alloc）
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# 方法 declare 使用 {sha1}.{ClassName}.{method} 混淆名，
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# 参数类型从 vpi 注解解析（避免调用时 _ensure_method_declare 用实参类型
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# 创建错误 declare，如 size: t.CSizeT 被写成 i32 而非 i64）
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if kd == ast.ASTKind.ClassDef:
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class_cd: ast.ClassDef | t.CPtr = (ast.ClassDef | t.CPtr)(child)
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if class_cd is None or class_cd.name is None:
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continue
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cls_name_v: str = class_cd.name
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cls_children: list[ast.AST | t.CPtr] | t.CPtr = class_cd.children
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if cls_children is not None:
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cn2: t.CSizeT = cls_children.__len__()
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for ci2 in range(cn2):
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m_child: ast.AST | t.CPtr = cls_children.get(ci2)
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if m_child is None:
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continue
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if m_child.kind() != ast.ASTKind.FunctionDef:
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continue
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m_fd: ast.FunctionDef | t.CPtr = (ast.FunctionDef | t.CPtr)(m_child)
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if m_fd is None or m_fd.name is None:
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continue
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_inject_method_declare(pool, mod, m_fd, cls_name_v, trans,
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src_sha1, imported_modules, from_imports,
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i32_ty, i8_ptr_ty, funcs_ptr, max_funcs)
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continue
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# Import/ImportFrom → 跳过
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# （import 不需要处理）
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# 释放 SHA1 缓冲区（_extract_sha1_from_path 用 stdlib.malloc 分配）
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if src_sha1 is not None:
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stdlib.free(src_sha1)
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return 1
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# ============================================================
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# _inject_function_declare - 为单个 FunctionDef 创建 declare 声明
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#
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# 检测 CExport/CExtern/State 标记，计算 mangled name，
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# 用 find_func_in_module 去重，创建 declare 并添加参数，
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# 注册到函数表。
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# ============================================================
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def _inject_function_declare(pool: memhub.MemBuddy | t.CPtr,
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mod: llvmlite.LLVMModule | t.CPtr,
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fd: ast.FunctionDef | t.CPtr,
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trans: HT.Translator | t.CPtr,
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src_sha1: str,
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imported_modules: str,
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from_imports: str,
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i32_ty: llvmlite.LLVMType | t.CPtr,
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i8_ptr_ty: llvmlite.LLVMType | t.CPtr,
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funcs_ptr: HandlesExprCall.FuncEntry | t.CPtr,
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max_funcs: int) -> None:
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"""为 FunctionDef 创建 declare 声明并注入到模块"""
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if fd.name is None:
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return
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# 检测 CExtern/State/CExport 标记（从返回类型注解）
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has_extern: int = 0
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has_state: int = 0
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has_export: int = 0
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if fd.returns is not None:
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has_extern = HandlesType.has_decorator_marker(fd.returns, "CExtern")
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has_state = HandlesType.has_decorator_marker(fd.returns, "State")
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has_export = HandlesType.has_decorator_marker(fd.returns, "CExport")
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# 计算 mangled name
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# CExport/CExtern/State/main 函数用裸名，其他函数用源模块 SHA1 前缀
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use_bare_name: int = 0
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if has_extern != 0 or has_state != 0 or has_export != 0 or string.strcmp(fd.name, "main") == 0:
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mangled_name: str = fd.name
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use_bare_name = 1
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else:
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mangled_name = HandlesFunctions._mangle_name_with_sha1(src_sha1, fd.name)
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# DDEBUG: VpiReader 是注入模块级函数 declare 的路径（无拦截，最可疑双点源头）
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# 检测 src_sha1 带尾随点 / fd.name 带前导点 / mangled_name 含双点，发现立即终止
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if mangled_name is not None and src_sha1 is not None and fd.name is not None:
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_vpi_sl: t.CSizeT = string.strlen(src_sha1)
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if _vpi_sl >= 17:
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stdio.printf("[DDEBUG] VpiReader src_sha1 too long: len=%d sha1='%s' func='%s'\n", _vpi_sl, src_sha1, fd.name)
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_ddebug_exit()
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_vpi_fn_len: t.CSizeT = string.strlen(fd.name)
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if _vpi_fn_len > 0 and fd.name[0] == '.':
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stdio.printf("[DDEBUG] VpiReader fd.name starts with dot: name='%s' sha1='%s'\n", fd.name, src_sha1)
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_ddebug_exit()
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_vpi_mi: int = 0
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_vpi_ml: t.CSizeT = string.strlen(mangled_name)
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while _vpi_mi < _vpi_ml - 1:
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if mangled_name[_vpi_mi] == 46 and mangled_name[_vpi_mi + 1] == 46:
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stdio.printf("[DDEBUG] VpiReader mangled double-dot: sha1='%s' func='%s' mangled='%s'\n", src_sha1, fd.name, mangled_name)
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_ddebug_exit()
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_vpi_mi += 1
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# 去重：如果函数已存在则跳过
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existing: llvmlite.Function | t.CPtr = HandlesExprCall.find_func_in_module(mod, mangled_name)
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if existing is not None:
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return
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# 也检查裸名（非裸名模式时，CExport 函数可能已通过其他途径注册）
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if use_bare_name == 0:
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existing_bare: llvmlite.Function | t.CPtr = HandlesExprCall.find_func_in_module(mod, fd.name)
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if existing_bare is not None:
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return
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# 推断返回类型
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ret_ty: llvmlite.LLVMType | t.CPtr = None
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if fd.returns is not None:
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ret_ty = HandlesType.resolve_annotation_type(
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pool, fd.returns, imported_modules, from_imports, trans)
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# 如果返回类型是纯 t.State（无实际类型），用 Void
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if ret_ty is None and fd.returns is not None:
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if has_state != 0:
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ret_ty = llvmlite.Void(pool)
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# 默认返回 i32
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if ret_ty is None:
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ret_ty = i32_ty
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# 创建 declare
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func: llvmlite.Function | t.CPtr = llvmlite.create_declare(
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pool, mod, mangled_name, ret_ty)
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if func is None:
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return
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# 提取参数并添加到 declare
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param_count: int = 0
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if fd.args is not None:
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args_node: ast.Arguments | t.CPtr = (ast.Arguments | t.CPtr)(fd.args)
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if args_node.args is not None:
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args_list: list[ast.AST | t.CPtr] | t.CPtr = args_node.args
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param_count = args_list.__len__()
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pi: t.CSizeT
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for pi in range(param_count):
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ag: ast.Arg | t.CPtr = (ast.Arg | t.CPtr)(args_list.get(pi))
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if ag is None:
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continue
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pname: str = ag.arg
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if pname is None:
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pname = "arg"
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# 解析参数类型
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param_ty: llvmlite.LLVMType | t.CPtr = i8_ptr_ty
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if ag.annotation is not None:
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resolved_ty: llvmlite.LLVMType | t.CPtr = HandlesType.resolve_annotation_type(
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pool, ag.annotation, imported_modules, from_imports, trans)
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if resolved_ty is not None:
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param_ty = resolved_ty
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llvmlite.add_param(pool, func, param_ty, pname)
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# 注册到函数表（用裸名 fd.name，不是 mangled_name）
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if funcs_ptr is not None:
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cur_count: int = trans._func_count
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if HandlesExprCall.add_func_to_table(funcs_ptr, cur_count, fd.name, func, max_funcs,
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None, 0, param_count) == 0:
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trans._func_count = cur_count + 1
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# ============================================================
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# _inject_method_declare - 为 ClassDef 内的方法创建 declare
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#
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# 方法混淆名: {src_sha1}.{ClassName}.{method}
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# 参数类型从 vpi 注解解析（self 无注解时默认为 i8*）。
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# 注入正确签名避免调用时 _ensure_method_declare 用实参类型
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# 创建错误 declare（如 size: t.CSizeT 被写成 i32 而非 i64）。
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# ============================================================
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def _inject_method_declare(pool: memhub.MemBuddy | t.CPtr,
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mod: llvmlite.LLVMModule | t.CPtr,
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m_fd: ast.FunctionDef | t.CPtr,
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cls_name: str,
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trans: HT.Translator | t.CPtr,
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src_sha1: str,
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imported_modules: str,
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from_imports: str,
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i32_ty: llvmlite.LLVMType | t.CPtr,
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i8_ptr_ty: llvmlite.LLVMType | t.CPtr,
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funcs_ptr: HandlesExprCall.FuncEntry | t.CPtr,
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max_funcs: int) -> None:
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"""为 ClassDef 内方法创建 declare 声明并注入到模块"""
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if m_fd is None or m_fd.name is None or cls_name is None:
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return
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if src_sha1 is None:
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return
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# 构造方法查找名: ClassName.method
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lookup_name_len: t.CSizeT = string.strlen(cls_name) + 1 + string.strlen(m_fd.name) + 1
|
||
lookup_name: str = pool.alloc(lookup_name_len)
|
||
if lookup_name is None:
|
||
return
|
||
viperlib.snprintf(lookup_name, lookup_name_len, "%s.%s", cls_name, m_fd.name)
|
||
|
||
# mangled name: {src_sha1}.{ClassName}.{method}
|
||
mangled_len: t.CSizeT = string.strlen(src_sha1) + 1 + lookup_name_len
|
||
mangled_name: str = pool.alloc(mangled_len)
|
||
if mangled_name is None:
|
||
return
|
||
viperlib.snprintf(mangled_name, mangled_len, "%s.%s", src_sha1, lookup_name)
|
||
|
||
# 去重：如果方法已存在则跳过
|
||
existing: llvmlite.Function | t.CPtr = HandlesExprCall.find_func_in_module(mod, mangled_name)
|
||
if existing is not None:
|
||
return
|
||
|
||
# 推断返回类型
|
||
ret_ty: llvmlite.LLVMType | t.CPtr = None
|
||
if m_fd.returns is not None:
|
||
ret_ty = HandlesType.resolve_annotation_type(
|
||
pool, m_fd.returns, imported_modules, from_imports, trans)
|
||
# __new__ 无返回注解时推断为类指针（__new__ 返回 self 指针，默认 i32 会截断指针）
|
||
if ret_ty is None and string.strcmp(m_fd.name, "__new__") == 0:
|
||
cls_ty: llvmlite.LLVMType | t.CPtr = HandlesStruct.get_struct_type(cls_name)
|
||
if cls_ty is not None:
|
||
ret_ty = llvmlite.Ptr(pool, cls_ty)
|
||
if ret_ty is None:
|
||
ret_ty = i32_ty
|
||
|
||
# 创建 declare
|
||
func: llvmlite.Function | t.CPtr = llvmlite.create_declare(
|
||
pool, mod, mangled_name, ret_ty)
|
||
if func is None:
|
||
return
|
||
|
||
# 提取参数并添加到 declare
|
||
param_count: int = 0
|
||
if m_fd.args is not None:
|
||
args_node: ast.Arguments | t.CPtr = (ast.Arguments | t.CPtr)(m_fd.args)
|
||
if args_node.args is not None:
|
||
args_list: list[ast.AST | t.CPtr] | t.CPtr = args_node.args
|
||
param_count = args_list.__len__()
|
||
pi: t.CSizeT
|
||
for pi in range(param_count):
|
||
ag: ast.Arg | t.CPtr = (ast.Arg | t.CPtr)(args_list.get(pi))
|
||
if ag is None:
|
||
continue
|
||
pname: str = ag.arg
|
||
if pname is None:
|
||
pname = "arg"
|
||
# 解析参数类型
|
||
param_ty: llvmlite.LLVMType | t.CPtr = i8_ptr_ty
|
||
if ag.annotation is not None:
|
||
resolved_ty: llvmlite.LLVMType | t.CPtr = HandlesType.resolve_annotation_type(
|
||
pool, ag.annotation, imported_modules, from_imports, trans)
|
||
if resolved_ty is not None:
|
||
param_ty = resolved_ty
|
||
llvmlite.add_param(pool, func, param_ty, pname)
|
||
|
||
# 注册到函数表（用裸名 ClassName.method，与调用方 lookup_name 一致）
|
||
if funcs_ptr is not None:
|
||
cur_count: int = trans._func_count
|
||
if HandlesExprCall.add_func_to_table(funcs_ptr, cur_count, lookup_name, func, max_funcs,
|
||
None, 0, param_count) == 0:
|
||
trans._func_count = cur_count + 1
|
||
|
||
|
||
# ============================================================
|
||
# _register_ctypedef_from_annassign - 从 AnnAssign 节点注册 CTypedef
|
||
#
|
||
# 提取 NAME: t.CTypedef = Type 中的名称和类型表达式字符串，
|
||
# 调用 register_ctypedef 注册到动态 CTypedef 表。
|
||
# ============================================================
|
||
def _register_ctypedef_from_annassign(pool: memhub.MemBuddy | t.CPtr,
|
||
aa: ast.AnnAssign | t.CPtr) -> None:
|
||
"""从 AnnAssign 节点提取并注册 CTypedef"""
|
||
if aa is None or pool is None:
|
||
return
|
||
# 提取目标名称（必须是 Name 节点）
|
||
if aa.target is None or aa.target.kind() != ast.ASTKind.Name:
|
||
return
|
||
tgt: ast.Name | t.CPtr = (ast.Name | t.CPtr)(aa.target)
|
||
if tgt.id is None:
|
||
return
|
||
# 提取类型表达式字符串（从 value AST 节点）
|
||
if aa.value is None:
|
||
return
|
||
type_str: str = HandlesType._get_type_name_from_annotation(pool, aa.value)
|
||
if type_str is None:
|
||
return
|
||
# 注册 CTypedef
|
||
HandlesType.register_ctypedef(pool, tgt.id, type_str)
|