Files
ViperC/App/lib/core/Handles/HandlesTranslator.vp
T
TermiNexus 89995dffde refactor(gen): 去除 Handles 委托层——链式化 + GenTypes/GenApi 迁移
- Gen 内部 1742 处 HandlesX.func() 改 self.Gen.Y.method() 链式调用
- 数据类/常量迁移 GenTypes.vp(10 类 + CLASS_META_*/META_*/SEQ_KIND_*/FIELD_MAX 等)
- 管线/保留文件经 GenApi.vp 模块级入口(48 函数带类型注解,从 Gen 方法签名自动生成)
- 删除 26 个纯委托 Handles 文件,仅留 5 个实体文件(Base/Translator/Expr/ExprCall/ExprCallTable)
- 修复字段分裂:TypeGenErr CurrentFile/TraceCount 链式化;CallGenBase TempDir/Cexport 真源化
2026-08-21 06:32:40 +08:00

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import lib.core.Gen.GenApi as GenApi
import lib.core.Gen.GenTypes as GenTypes
import lib.core.Gen.TranslatorGenMixin as TranslatorGenMixin
import t, c
from stdint import *
import ast
import llvmlite
import memhub
import string
import stdio
import stdlib
import viperlib
import lib.core.VLogger as VLogger
import lib.core.Handles.HandlesExprCall as HandlesExprCall
import lib.core.Handles.HandlesExpr as HandlesExpr
import lib.Projectrans.Config as Config
import lib.core.StubMergerBuild as StubMergerBuild
import lib.core.Handles.ExprCallTable as ExprCallTable
import lib.core.Handles.HandlesTranslator as HT
import lib.core.Gen.Generator as Generator
# ============================================================
# HandlesTranslator - 翻译器状态管理 + 主入口
#
# 从 translator.py 拆分出来,负责:
# 1. Translator 类 - 状态管理(Module, 变量表, 函数表, 导入)
# 2. translate() - 主翻译入口
# 3. dump_ir() - IR 输出
#
# 语句/表达式翻译全部委托给 Handles 模块:
# HandlesMain - wrapper main 创建 + children 遍历
# HandlesBody - 语句分派
# HandlesExpr - 表达式翻译
# HandlesFunctions - 函数定义处理
# 注意:str = bytes = t.CChar | t.CPtr = i8*
#
# P6-E 对象化重构:模块级 global/nonlocal 名称管理函数已迁移为
# lib.core.Gen.TranslatorGenMixin 的方法,本模块保留同名模块级
# 函数作为"一行委托"(同 P2-P5 模式)。Translator 类保留在本模块。
# ============================================================
# 常量
MAX_VARS: t.CDefine = 1024
MAX_FUNCS: t.CDefine = 1024
MAX_GLOBAL_NAMES: t.CDefine = 32
# ============================================================
# 全局 gen 单例(模块级镜像,同 HandlesType/HandlesStruct 模式)
# ============================================================
_g_gen: Generator.Generator | t.CPtr = None
@t.NoVTable
class Translator:
"""翻译器:管理编译状态,委托 Handles 模块执行翻译"""
# LLVM 上下文(共享状态)
Module: llvmlite.LLVMModule | t.CPtr
Pool: memhub.MemBuddy | t.CPtr
# 函数表
_funcs: GenTypes.FuncEntry | t.CPtr
_func_count: t.CInt
# 导入模块跟踪
_imported_modules: str
_from_imports: str
# 当前翻译上下文
_cur_func: llvmlite.Function | t.CPtr
_cur_builder: llvmlite.IRBuilder | t.CPtr
# 当前赋值语句的注解节点(AnnAssign 翻译 rhs 前设置,Assign 翻译前清空)。
# 供 c.Deref(i8*) 推断读取宽度:v: int = c.Deref(p) → bitcast i32* load,
# 对齐 TPC HandlesSpecialCall._infer_deref_target_type(DictTest 500→-12 根因:
# i8* Deref 固定读 1 字节 + sext 截断)。
CurAssignAnnot: ast.AST | t.CPtr
# 当前赋值语句的 RHS 节点(AnnAssign 翻译 rhs 前设置,rhs 翻译后清除)。
# 供 c.Deref 判定"是否为赋值直接 RHS":仅 v: int = c.Deref(p) 时用
# CurAssignAnnot 推断读取宽度;嵌套在 while 条件/比较/binop/类型转换
# 调用中(如 while c.Deref(p) != 0、total += t.CInt(c.Deref(p)))不推断,
# 否则 i8* 会被残留 CurAssignAnnot 误判为 i32* 读 4 字节(对齐 TPC
# _infer_deref_target_type 的直接 RHS 检查)。
CurAssignNode: ast.AST | t.CPtr
# 循环控制流目标(break/continue)
_break_bb: llvmlite.BasicBlock | t.CPtr
_continue_bb: llvmlite.BasicBlock | t.CPtr
# 独立标签计数器(不与 builder.Counter 共享,避免 SSA 编号非单调)
_label_counter: t.CInt
# 追加90:控制流 merge 块可达性(1=有 br 进入可达/0=全分支 return 结构性不可达)
_ctrl_merge_reachable: t.CInt
# global 声明的变量名集合(当前函数内)
_global_names: str
_global_name_count: t.CInt
# nonlocal 声明的变量名集合(当前函数内)
_nonlocal_names: str
_nonlocal_name_count: t.CInt
# nonlocal 变量的类型信息(LLVMType 指针数组,与 _nonlocal_names 一一对应)
# 用于 env 指针数组方案:子函数访问 nonlocal 变量时需要知道原始类型
_nonlocal_types: str
# 闭包相关:当前函数名(用于嵌套函数提升命名)
_cur_func_name: str
# *args 变长参数支持:当前函数的 va_list 指针(i8* alloca)
# 仅当函数声明了 *args 时设置,供 arg(type) 糖函数使用
_va_list_ptr: llvmlite.Value | t.CPtr
# *args 参数名(如 "args"),用于符号表注册
_vararg_name: str
# OOP iter 协议:当前 __next__ 方法的隐藏 stop-flag 参数(i1*)。
# _translate_method 注入 __stop_iter_flag__ 参数时设置;translate_raise
# 检测 raise StopIteration 时对该指针 store 1(对齐 TPC HandlesRaise.py)。
# 非 __next__ 函数中为 None。
_stop_iter_flag_ptr: llvmlite.Value | t.CPtr
# try-except 机制(对齐 TPC HandlesTry.py):当前最内层 try 的
# 分发块 + 异常编码/消息 alloca。translate_try 设置,translate_raise
# 与调用侧 EH 检测写入/跳转。try 外为 None。
_eh_dispatch_bb: llvmlite.BasicBlock | t.CPtr
_eh_code_ptr: llvmlite.Value | t.CPtr
_eh_msg_ptr: llvmlite.Value | t.CPtr
# 当前函数的 __eh_msg_out__(i8**)/__eh_code_out__(i32*)输出参数
# (函数签名含 raise 时由 translate_function_def/_translate_method 注入)。
# 无 EH 参数时 _cur_func_has_eh == 0。
_eh_msg_out_param: llvmlite.Value | t.CPtr
_eh_code_out_param: llvmlite.Value | t.CPtr
_cur_func_has_eh: int
# 模块 SHA1 前缀(16 字符),用于函数名混淆(SHA1 命名空间)
ModuleSha1: str
# 当前文件所属包名(如 "llvmlite"),用于解析相对导入(from . import ...)
# None 表示当前文件是顶级模块(无包),相对导入无法解析
CurrentPackage: str
# 闭包 env 中的 nonlocal 变量偏移映射(每个 nonlocal 变量在 env 中的字节偏移)
_closure_env_offsets: t.CInt
_closure_env_count: t.CInt
# lambda 表达式全局唯一 ID 计数器(生成提升函数名 __lambda_{id})
# 独立于 _closure_env_count:后者随函数进入被 clear_scope_names 重置,
# lambda ID 需跨函数全局唯一(提升函数名避免冲突)
_lambda_count: t.CInt
# 函数链内 nonlocal 变量集合(预扫描收集,含嵌套函数声明的 nonlocal)。
# 用于"不同层捕获不同变量"场景(如 level1→a, level2→b):b 定义在最外层
# 但 level1 不捕获——level1 env 无 b 槽,level2 无法经 env 链获取 b 的堆。
# 解决:在最外层函数中为链内所有 nonlocal 建堆,并把堆地址 store 到
# 模块级映射变量 @nlheap.{sha1}.{name};内层闭包创建时从映射 load。
_nl_chain_names: t.CVoid | t.CPtr
_nl_chain_count: t.CInt
# 链内 nonlocal 堆预建标志(每函数只建一次):translate_function_def 进入
# 新函数时重置为 0;_prepare_chain_nonlocals 首次调用置 1。多个嵌套函数
# 定义共享同一堆(防重复 malloc + 二次重定向 VarEntry.Alloca)。
_nl_chain_done: t.CInt
# 泛型特化上下文:当前正在特化的类型参数名/实参名列表
# 由 _specialize_generic_class 设置,方法体翻译时用于将 T 替换为具体类型
# None 表示不在泛型特化上下文中
GenericTypeParamNames: list[str] | t.CPtr
GenericTypeArgs: list[str] | t.CPtr
# Phase 1a 声明模式标志:1=只注册 struct/enum/union 不翻译代码体,0=全量翻译
_declare_only: t.CInt
# Phase A 依赖未就绪标志:1=本文件翻译时依赖模块的 text.ll 尚未生成
# (同项目源文件按顺序翻译,main.vp 先于其 import 的 mbuddytest.vp),
# 跨模块函数返回类型无法精确解析。Phase A 多遍循环据此下遍重试。
_deps_pending: t.CInt
# 嵌套作用域符号表
SymTab: GenTypes.SymbolTable | t.CPtr
def __init__(self):
self.Module = None
self.Pool = None
self._funcs = None
self._func_count = 0
self._cur_func = None
self._cur_builder = None
self._break_bb = None
self._continue_bb = None
self._label_counter = 0
self._imported_modules = None
self._from_imports = None
self._global_names = None
self._global_name_count = 0
self._nonlocal_names = None
self._nonlocal_name_count = 0
self._nonlocal_types = None
self._cur_func_name = None
self._va_list_ptr = None
self._vararg_name = None
self._stop_iter_flag_ptr = None
self._eh_dispatch_bb = None
self._eh_code_ptr = None
self._eh_msg_ptr = None
self._eh_msg_out_param = None
self._eh_code_out_param = None
self._cur_func_has_eh = 0
self.ModuleSha1 = None
self.CurrentPackage = None
self._closure_env_offsets = 0
self._closure_env_count = 0
self._lambda_count = 0
self._nl_chain_names = None
self._nl_chain_count = 0
self._nl_chain_done = 0
self.GenericTypeParamNames = None
self.GenericTypeArgs = None
self._declare_only = 0
self._deps_pending = 0
self.SymTab = None
# ============================================================
# 状态初始化
# ============================================================
def _init_state(self, pool: memhub.MemBuddy | t.CPtr):
"""初始化变量表、函数表和子 Handle"""
self.Pool = pool
if self._funcs is None:
self._funcs = GenApi.init_func_table(pool, MAX_FUNCS)
# 嵌套作用域符号表(新版)
if self.SymTab is None:
self.SymTab = GenApi.init_symbol_table(pool)
# global/nonlocal 名称集合缓冲区(32 个 char* 指针 = 256 字节)
if self._global_names is None:
self._global_names = stdlib.malloc(MAX_GLOBAL_NAMES * 8)
if self._global_names is not None:
string.memset(self._global_names, 0, MAX_GLOBAL_NAMES * 8)
self._global_name_count = 0
if self._nonlocal_names is None:
self._nonlocal_names = stdlib.malloc(MAX_GLOBAL_NAMES * 8)
if self._nonlocal_names is not None:
string.memset(self._nonlocal_names, 0, MAX_GLOBAL_NAMES * 8)
self._nonlocal_name_count = 0
# nonlocal 变量类型数组(LLVMType 指针数组,与 _nonlocal_names 一一对应)
if self._nonlocal_types is None:
self._nonlocal_types = stdlib.malloc(MAX_GLOBAL_NAMES * 8)
if self._nonlocal_types is not None:
string.memset(self._nonlocal_types, 0, MAX_GLOBAL_NAMES * 8)
# ============================================================
# 主翻译入口
# ============================================================
def translate(self, tree: ast.AST | t.CPtr) -> int:
"""将 AST 翻译为 LLVM IR"""
if tree is None:
return 1
if _mbuddy is None:
return 1
pool: memhub.MemBuddy | t.CPtr = _mbuddy
# 初始化状态
self._init_state(pool)
# 创建 LLVM 模块
mod: llvmlite.LLVMModule | t.CPtr = llvmlite.new_module(pool, "main")
if mod is None:
VLogger.error("NewModule returned NULL", "TR")
return 1
self.Module = mod
# 设置目标(优先使用 project.vpj 中的配置)
triple: str = Config.TargetTriple
if triple is None:
triple = "x86_64-pc-windows-msvc"
llvmlite.module_set_target(mod, triple)
# 类型
i32_ty: llvmlite.LLVMType | t.CPtr = llvmlite.Int32(pool)
i8_ty: llvmlite.LLVMType | t.CPtr = llvmlite.Int8(pool)
i8_ptr_ty: llvmlite.LLVMType | t.CPtr = llvmlite.Ptr(pool, i8_ty)
# 声明 printf
printf_func: llvmlite.Function | t.CPtr = llvmlite.create_declare(
pool, mod, "printf", i32_ty)
if printf_func is None:
VLogger.error("CreateDeclare printf returned NULL", "TR")
return 1
llvmlite.add_param(pool, printf_func, i8_ptr_ty, "fmt")
printf_func.IsVarArg = 1
# 声明 LLVM va_start/va_end intrinsic(供 *args 函数体内使用)
# declare void @llvm.va_start(i8*)
# declare void @llvm.va_end(i8*)
void_ty_decl: llvmlite.LLVMType | t.CPtr = llvmlite.Void(pool)
va_start_func: llvmlite.Function | t.CPtr = llvmlite.create_declare(
pool, mod, "llvm.va_start", void_ty_decl)
if va_start_func is not None:
llvmlite.add_param(pool, va_start_func, i8_ptr_ty, "ap")
va_end_func: llvmlite.Function | t.CPtr = llvmlite.create_declare(
pool, mod, "llvm.va_end", void_ty_decl)
if va_end_func is not None:
llvmlite.add_param(pool, va_end_func, i8_ptr_ty, "ap")
# 声明 malloc(闭包分配用)
malloc_func: llvmlite.Function | t.CPtr = llvmlite.create_declare(
pool, mod, "malloc", i8_ptr_ty)
if malloc_func is not None:
i64_ty: llvmlite.LLVMType | t.CPtr = llvmlite.Int64(pool)
llvmlite.add_param(pool, malloc_func, i64_ty, "size")
# 检查用户是否定义了 main 函数
has_user_main: int = 0
ch: list[ast.AST | t.CPtr] | t.CPtr = tree.children
if ch is not None:
cn_count: t.CSizeT = len(ch)
for ci in range(cn_count):
child: ast.AST | t.CPtr = ch.get(ci)
if child is not None and child.kind() == ast.ASTKind.FunctionDef:
fd: ast.FunctionDef | t.CPtr = (ast.FunctionDef | t.CPtr)(child)
if fd is not None and fd.name is not None:
if string.strcmp(fd.name, "main") == 0:
has_user_main = 1
break
if self._declare_only != 0:
# Phase 1a-pre(2=import扫描) / Phase 1a(1=struct注册): 只处理模块级,不创建 main 函数和 builder
self._translate_module_level(pool, mod, tree)
elif has_user_main == 0:
# 无用户 main → 只翻译模块级语句,不创建 wrapper main
# 修复:避免每个文件都生成 define i32 @main() 导致链接时 main 冲突
# 只有包含 def main() 的入口文件才会有 define i32 @main()
self._translate_module_level(pool, mod, tree)
else:
# 用户已定义 main → 委托 HandlesMain 翻译模块级
self._translate_module_level(pool, mod, tree)
return 0
# ============================================================
# 包装 main 函数(无用户 main 时)→ 委托 HandlesMain
# ============================================================
def _translate_wrapper_main(self, pool: memhub.MemBuddy | t.CPtr,
mod: llvmlite.LLVMModule | t.CPtr,
tree: ast.AST | t.CPtr,
i32_ty: llvmlite.LLVMType | t.CPtr):
"""委托 GenApi.create_wrapper_main() 创建包装 main(trans 单参)"""
added: int = GenApi.create_wrapper_main(self, tree, i32_ty)
# ============================================================
# 模块级翻译(用户已定义 main)→ 委托 HandlesMain
# ============================================================
def _translate_module_level(self, pool: memhub.MemBuddy | t.CPtr,
mod: llvmlite.LLVMModule | t.CPtr,
tree: ast.AST | t.CPtr):
"""委托 GenApi.translate_children() 翻译模块级语句(trans 单参)"""
# 全量翻译模式下,先处理导入语句,再创建前向声明,解决前向引用问题
if self._declare_only == 0:
# 预处理导入语句,确保 _imported_modules 和 _from_imports 已填充
# (前向声明需要解析类型注解,如 t.CArray[str] 依赖 t 模块已导入)
# 记录最后处理的 import 行号,供 vpi 注入错误上下文帧定位
cur_imp_lineno: int = 0
ch: list[ast.AST | t.CPtr] | t.CPtr = tree.children
if ch is not None:
cn_count: t.CSizeT = len(ch)
for ci in range(cn_count):
child: ast.AST | t.CPtr = ch.get(ci)
if child is None:
continue
kd: int = child.kind()
if kd == ast.ASTKind.Import:
cur_imp_lineno = child.lineno
GenApi.translate_import(self, child)
elif kd == ast.ASTKind.ImportFrom:
cur_imp_lineno = child.lineno
GenApi.translate_import_from_module(self, child)
GenApi.translate_import_from_names(self, child)
# 对齐 TPC _inject_auto_imports:检测源文件对 list/dict 容器的使用
# (裸名注解 d: dict / 构造 dict(...) / 下标 list[T]),自动把容器
# 类标记为可见结构体。背景:_list.vp/_dict.vp 定义内建容器类且已由
# Phase1 注册,但源文件不显式 import 它们(TPC 在翻译前自动注入
# import _list/_dict);TPV 用可见性机制等效替代——否则裸名
# `d: dict` 注解 resolve_annotation_type 时 is_struct_visible=0
# 解析失败(DictTest 的 "变量类型注解解析失败")。
self._inject_auto_container_visibility(pool, tree)
# 扫描当前模块的 CTypedef 声明已由 Phase1 1b 文本扫描注册
# (RegisterCTypedefFromSource,见 Phase1Main.vp)——AST 字符串字段
# token 零拷贝指向 src_buf,跨阶段内容不稳定,此处 AST 扫描读 attr
# 会 0xC0000005(stdint.vp 崩溃根因),故移除。
# 跨模块 .vpi 注入:加载依赖模块的 .vpi 文件,
# 将函数 declare 声明注入到当前模块,解决跨模块函数调用找不到函数的问题
# 严格保证 declare_only == 0 时才注入(避免 Phase A-pre-inc 死锁)
if self._imported_modules is not None:
import lib.core.StubMerger as StubMerger
# 错误上下文帧:当前模块触发依赖 stub 加载的 import 位置
GenApi.push_trace(GenApi.get_current_file(), cur_imp_lineno)
StubMergerBuild.LoadDepVpiIntoModule(
pool, mod, self._imported_modules, self._from_imports,
GenApi.get_temp_dir(), self)
GenApi.pop_trace()
# 预注册模块级变量(AnnAssign/Assign)到 SymTab
# 解决时序问题:class Logger 的 __init__ 引用 _mbuddy 时,
# _mbuddy 的 AnnAssign 在 AST 中位于 class Logger 之后,
# 按 AST 顺序翻译时 _mbuddy 尚未注册 → lookup_var 返回 None → rhs_val is None
# 预处理先于 translate_children 注册所有模块级变量,
# 后续 translate_children 遍历到同一 AnnAssign 时 handle_module_level_var
# 通过 lookup_module_var 检测已存在并跳过(HandlesMain.py:206-209)
if ch is not None:
for ci in range(cn_count):
child: ast.AST | t.CPtr = ch.get(ci)
if child is None:
continue
kd_mv: int = child.kind()
if kd_mv == ast.ASTKind.AnnAssign or kd_mv == ast.ASTKind.Assign:
GenApi.handle_module_level_var(self, child)
# 创建前向声明
GenApi.forward_declare_functions(self, tree)
added: int = GenApi.translate_children(self, tree)
# ============================================================
# 容器模块自动可见性注入(对齐 TPC _inject_auto_imports)
#
# TPC 在翻译前自动注入 `import _list / import _dict (+json)` 到源文件,
# 使 list/dict 内建容器类在符号表中可见。TPV 用可见性机制等效替代:
# _list.vp/_dict.vp 已由 Phase1 注册(可达集合含它们),这里只需在
# 当前文件翻译时把容器类名标记为可见结构体,裸名注解/构造即可解析。
#
# 检测模式(与 TPC Phase2Translator._inject_auto_imports 一致):
# - AnnAssign 注解裸名 Name(list/dict):d: dict
# - 构造调用 func 裸名 Name(list/dict):dict(bd)
# - Subscript 的 value 裸名 Name(list/dict):list[int]
# ============================================================
def _inject_auto_container_visibility(self, pool: memhub.MemBuddy | t.CPtr,
tree: ast.AST | t.CPtr):
"""检测 list/dict 容器使用,注入容器类可见性"""
if tree is None or tree.children is None:
return
# 用栈式缓冲区传递检测结果(跨函数参数用 4 字节 int 指针)
need_list_box: t.CPtr = stdlib.malloc(4)
need_dict_box: t.CPtr = stdlib.malloc(4)
if need_list_box is None or need_dict_box is None:
if need_list_box is not None:
stdlib.free(need_list_box)
if need_dict_box is not None:
stdlib.free(need_dict_box)
return
need_list_box[0] = 0
need_dict_box[0] = 0
self._scan_container_usage(tree, need_list_box, need_dict_box)
if need_dict_box[0] != 0:
# dict 类可见 + _dict 模块导入(构造/方法调用的 SHA1 解析)
GenApi.add_visible_struct(pool, "dict")
if self._imported_modules is None or \
GenApi.is_module_imported(self._imported_modules, "_dict") == 0:
self._imported_modules = GenApi.add_imported_module(
pool, self._imported_modules, "_dict")
if need_list_box[0] != 0:
GenApi.add_visible_struct(pool, "list")
if self._imported_modules is None or \
GenApi.is_module_imported(self._imported_modules, "_list") == 0:
self._imported_modules = GenApi.add_imported_module(
pool, self._imported_modules, "_list")
stdlib.free(need_list_box)
stdlib.free(need_dict_box)
def _scan_container_usage(self, node: ast.AST | t.CPtr,
need_list_box: t.CPtr,
need_dict_box: t.CPtr):
"""递归扫描 AST 语句结构,检测 list/dict 容器使用"""
if node is None:
return
k: int = node.kind()
if k == ast.ASTKind.AnnAssign:
aa_s: ast.AnnAssign | t.CPtr = (ast.AnnAssign | t.CPtr)(node)
if aa_s.annotation is not None:
self._check_container_type_node(aa_s.annotation, need_list_box, need_dict_box)
elif k == ast.ASTKind.Call:
cl_s: ast.Call | t.CPtr = (ast.Call | t.CPtr)(node)
if cl_s.func is not None:
self._check_container_type_node(cl_s.func, need_list_box, need_dict_box)
elif k == ast.ASTKind.Subscript:
sub_s: ast.Subscript | t.CPtr = (ast.Subscript | t.CPtr)(node)
if sub_s.value is not None:
self._check_container_type_node(sub_s.value, need_list_box, need_dict_box)
elif k == ast.ASTKind.List:
# [] 字面量:容器模板仍需注册
need_list_box[0] = 1
elif k == ast.ASTKind.Dict:
# {} 字面量:容器模板仍需注册
need_dict_box[0] = 1
# 递归语句块子节点
if node.children is not None:
ch_s: list[ast.AST | t.CPtr] | t.CPtr = node.children
n_s: t.CSizeT = len(ch_s)
for ci_s in range(n_s):
self._scan_container_usage(ch_s.get(ci_s), need_list_box, need_dict_box)
def _check_container_type_node(self, node: ast.AST | t.CPtr,
need_list_box: t.CPtr,
need_dict_box: t.CPtr):
"""检测类型位置节点是否为 list/dict(支持 Name 与 Subscript 外层)"""
if node is None:
return
k: int = node.kind()
if k == ast.ASTKind.Name:
nm_s: ast.Name | t.CPtr = (ast.Name | t.CPtr)(node)
if nm_s.id is not None:
if string.strcmp(nm_s.id, "dict") == 0:
need_dict_box[0] = 1
elif string.strcmp(nm_s.id, "list") == 0:
need_list_box[0] = 1
elif k == ast.ASTKind.Subscript:
sub_s: ast.Subscript | t.CPtr = (ast.Subscript | t.CPtr)(node)
if sub_s.value is not None:
self._check_container_type_node(sub_s.value, need_list_box, need_dict_box)
# ============================================================
# IR 输出
# ============================================================
def dump_ir(self, buf: bytes, size: t.CSizeT, mode: int):
"""将 LLVM IR 输出到缓冲区
mode: 0=完整, 1=stub(仅声明), 2=text(仅代码)
"""
if self.Module is None or buf is None:
return
if _mbuddy is None:
return
buf[0] = '\0'
llvmlite.LLVMModulePrint(buf, size, self.Module, _mbuddy, mode)
# ============================================================
# global/nonlocal 名称管理(模块级辅助函数,委托到 gen 方法)
# ============================================================
def add_global_name(trans: HT.Translator | t.CPtr, name: str):
"""添加一个 global 变量名(委托到 gen.add_global_name)"""
g: Generator.Generator | t.CPtr = (Generator.Generator | t.CPtr)(t.CVoid(_g_gen, t.CPtr))
if g is not None:
g.TranslatorGen.add_global_name(trans, name)
def is_global_name(trans: HT.Translator | t.CPtr, name: str) -> int:
"""检查 name 是否在当前函数的 global 集合中(委托到 gen.is_global_name)"""
g: Generator.Generator | t.CPtr = (Generator.Generator | t.CPtr)(t.CVoid(_g_gen, t.CPtr))
if g is not None:
return g.TranslatorGen.is_global_name(trans, name)
return 0
def add_nonlocal_name(trans: HT.Translator | t.CPtr, name: str,
var_ty: llvmlite.LLVMType | t.CPtr = None):
"""添加一个 nonlocal 变量名(委托到 gen.add_nonlocal_name)
Args:
name: nonlocal 变量名
var_ty: 变量的 LLVM 类型(用于 env 指针数组方案的类型恢复,
None 时回退为 i32)
"""
g: Generator.Generator | t.CPtr = (Generator.Generator | t.CPtr)(t.CVoid(_g_gen, t.CPtr))
if g is not None:
g.TranslatorGen.add_nonlocal_name(trans, name, var_ty)
def get_nonlocal_type(trans: HT.Translator | t.CPtr,
name: str) -> llvmlite.LLVMType | t.CPtr:
"""获取 nonlocal 变量的 LLVM 类型(委托到 gen.get_nonlocal_type)
Returns: 找到的类型指针,找不到返回 None
"""
g: Generator.Generator | t.CPtr = (Generator.Generator | t.CPtr)(t.CVoid(_g_gen, t.CPtr))
if g is not None:
return g.TranslatorGen.get_nonlocal_type(trans, name)
return None
def is_nonlocal_name(trans: HT.Translator | t.CPtr, name: str) -> int:
"""检查 name 是否在当前函数的 nonlocal 集合中(委托到 gen.is_nonlocal_name)"""
g: Generator.Generator | t.CPtr = (Generator.Generator | t.CPtr)(t.CVoid(_g_gen, t.CPtr))
if g is not None:
return g.TranslatorGen.is_nonlocal_name(trans, name)
return 0
def get_nonlocal_index(trans: HT.Translator | t.CPtr, name: str) -> int:
"""获取 nonlocal 变量在 env 中的索引(0-based),找不到返回 -1(委托到 gen.get_nonlocal_index)"""
g: Generator.Generator | t.CPtr = (Generator.Generator | t.CPtr)(t.CVoid(_g_gen, t.CPtr))
if g is not None:
return g.TranslatorGen.get_nonlocal_index(trans, name)
return 0
def clear_scope_names(trans: HT.Translator | t.CPtr):
"""清空当前函数的 global/nonlocal 名称集合(进入新函数时调用)(委托到 gen.clear_scope_names)"""
g: Generator.Generator | t.CPtr = (Generator.Generator | t.CPtr)(t.CVoid(_g_gen, t.CPtr))
if g is not None:
g.TranslatorGen.clear_scope_names(trans)
# 全局 mbuddy 指针
_mbuddy: memhub.MemBuddy | t.CPtr