# C语法定义模块
from __future__ import annotations

import ast
import logging
from typing import Any, Optional

from . import t
from lib.constants.config import mode as _config_mode

def _to_str(node: Any) -> str:
    if node is None:
        return ''
    if isinstance(node, str):
        return node
    if isinstance(node, list):
        return ' && '.join([_to_str(n) for n in node])
    NodeType: str = type(node).__name__
    if NodeType == 'Constant':
        return node.value
    elif NodeType == 'ID':
        return node.name
    elif NodeType == 'BinaryOp':
        left: str = _to_str(node.left)
        right: str = _to_str(node.right)
        return f'{left} {node.op} {right}'
    elif NodeType == 'UnaryOp':
        expr: str = _to_str(node.expr)
        return f'{node.op}{expr}'
    else:
        return repr(node)

class Asm:
    @staticmethod
    def _parse_asm_descr(expr: ast.AST) -> str:
        """递归解析AST节点，确保获取t.ASM_DESCR的实际值，支持|组合
        处理场景：
        1. t.ASM_DESCR.XXX → 取属性值
        2. t.ASM_DESCR.XXX | t.ASM_DESCR.YYY → 拼接两个值
        3. 常量字符串 → 直接返回
        """
        # 场景1：位或组合（XXX | YYY）
        if isinstance(expr, ast.BinOp):
            left_val: str = Asm._parse_asm_descr(expr.left)
            right_val: str = Asm._parse_asm_descr(expr.right)
            return left_val + right_val

        # 场景2：t.ASM_DESCR.XXX 多层属性访问
        elif isinstance(expr, ast.Attribute):
            # 第一步：判断是否是 t.ASM_DESCR 的属性
            if isinstance(expr.value, ast.Attribute):
                # 内层是 t.ASM_DESCR
                if (isinstance(expr.value.value, ast.Name) and
                    expr.value.value.id == 't' and
                    expr.value.attr == 'ASM_DESCR'):
                    # 取 t.ASM_DESCR.XXX 的实际值
                    AttrName: str = expr.attr
                    if hasattr(t.ASM_DESCR, AttrName):
                        return getattr(t.ASM_DESCR, AttrName, "")

            # 兼容 t.XXX 简化写法（如果有的话）
            elif isinstance(expr.value, ast.Name) and expr.value.id == 't':
                AttrName: str = expr.attr
                if hasattr(t.ASM_DESCR, AttrName):
                    return getattr(t.ASM_DESCR, AttrName, "")

        # 场景3：直接传常量（如 "r"、"cc"）
        elif isinstance(expr, ast.Constant):
            return expr.value

        # 其他场景返回空
        return ""

    @staticmethod
    def _extract_val_expr(translator: Any, expr_node: ast.AST) -> str:
        """从AST表达式节点提取值表达式的字符串形式"""
        val_ExprNode: Any = translator.HandleExpr(expr_node)[0]
        if isinstance(val_ExprNode, str):
            return val_ExprNode
        try:
            return str(val_ExprNode)
        except Exception as _e:
            if _config_mode == "strict":
                logging.warning(f"异常被忽略: {_e}")
            return ''

    @staticmethod
    def _parse_asm_template(translator: Any, args: list[ast.AST]) -> tuple[str, list[tuple[str, str]], list[tuple[str, str]], int]:
        """解析f-string或常量模板字符串，返回(asm_code, output_ops, input_ops, operand_seq)"""
        output_ops: list[tuple[str, str]] = []
        input_ops: list[tuple[str, str]] = []
        operand_seq: int = 0
        asm_code: str = ""
        first_arg: ast.AST = args[0]

        if isinstance(first_arg, ast.JoinedStr):
            asm_parts: list[str] = []
            for part in first_arg.values:
                if isinstance(part, ast.Constant):
                    asm_parts.append(part.value)
                elif isinstance(part, ast.FormattedValue):
                    expr: ast.AST = part.value
                    if isinstance(expr, ast.Call) and isinstance(expr.func, ast.Attribute) and expr.func.value.id == 'c':
                        # 解析内联的AsmInp/AsmOut
                        call_node: ast.Call = expr
                        val_expr: str = Asm._extract_val_expr(translator, call_node.args[0]) if len(call_node.args)>=1 else ""
                        constraint: str = Asm._parse_asm_descr(call_node.args[1]) if len(call_node.args)>=2 else ""

                        if call_node.func.attr == 'AsmOut':
                            output_ops.append((val_expr, constraint))
                            asm_parts.append(f"%{operand_seq}")
                            operand_seq += 1
                        elif call_node.func.attr == 'AsmInp':
                            input_ops.append((val_expr, constraint))
                            asm_parts.append(f"%{operand_seq}")
                            operand_seq += 1
                    else:
                        asm_parts.append(translator.HandleExpr(expr)[0])
            asm_code = ''.join(asm_parts)
        elif isinstance(first_arg, ast.Constant):
            asm_code = first_arg.value

        return asm_code, output_ops, input_ops, operand_seq

    @staticmethod
    def _parse_asm_operands(translator: Any, args: list[ast.AST], keywords: list[ast.keyword], output_ops: list[tuple[str, str]], input_ops: list[tuple[str, str]], operand_seq: int) -> tuple[list[tuple[str, str]], list[tuple[str, str]], int]:
        """解析位置参数和关键字参数中的输出/输入操作数"""

        def parse_operand(arg: ast.AST) -> Optional[tuple[str, str, str]]:
            """解析 AsmInp/AsmOut 参数"""
            if isinstance(arg, ast.Call) and isinstance(arg.func, ast.Attribute) and arg.func.value.id == 'c':
                call_node: ast.Call = arg
                val_expr: str = Asm._extract_val_expr(translator, call_node.args[0]) if len(call_node.args)>=1 else ""
                constraint: str = Asm._parse_asm_descr(call_node.args[1]) if len(call_node.args)>=2 else ""

                if call_node.func.attr == 'AsmOut':
                    return ('out', val_expr, constraint)
                elif call_node.func.attr == 'AsmInp':
                    return ('in', val_expr, constraint)
            return None

        # 处理位置参数中的操作数
        for arg in args[1:]:
            result: Optional[tuple[str, str, str]] = parse_operand(arg)
            if result:
                direction, val_expr, constraint = result
                if direction == 'out':
                    output_ops.append((val_expr, constraint))
                    operand_seq += 1
                elif direction == 'in':
                    input_ops.append((val_expr, constraint))
                    operand_seq += 1

        # 处理关键字参数中的操作数
        for kw in keywords:
            if kw.arg == 'out':
                # 处理 out 关键字参数 (输出操作数)
                if isinstance(kw.value, ast.List):
                    for elt in kw.value.elts:
                        result = parse_operand(elt)
                        if result and result[0] == 'out':
                            output_ops.append((result[1], result[2]))
                            operand_seq += 1
                elif isinstance(kw.value, ast.Call):
                    result = parse_operand(kw.value)
                    if result and result[0] == 'out':
                        output_ops.append((result[1], result[2]))
                        operand_seq += 1
            elif kw.arg == 'inp' or kw.arg == 'inputs':
                # 处理 inp/inputs 关键字参数 (输入操作数，追加到f-string中已有输入之后)
                if isinstance(kw.value, ast.List):
                    for elt in kw.value.elts:
                        if isinstance(elt, ast.Tuple):
                            # 处理列表中的 (value, constraint) 元组格式
                            if len(elt.elts) >= 2:
                                val_expr: str = Asm._extract_val_expr(translator, elt.elts[0]) if len(elt.elts) >= 1 else ""
                                constraint: str = Asm._parse_asm_descr(elt.elts[1])
                                input_ops.append((val_expr, constraint))
                                operand_seq += 1
                        else:
                            result = parse_operand(elt)
                            if result and result[0] == 'in':
                                input_ops.append((result[1], result[2]))
                                operand_seq += 1
                elif isinstance(kw.value, ast.Call):
                    result = parse_operand(kw.value)
                    if result and result[0] == 'in':
                        input_ops.append((result[1], result[2]))
                        operand_seq += 1
                elif isinstance(kw.value, ast.Tuple):
                    # 处理 (value, constraint) 元组格式
                    if len(kw.value.elts) >= 2:
                        val_expr: str = Asm._extract_val_expr(translator, kw.value.elts[0]) if len(kw.value.elts) >= 1 else ""
                        constraint: str = Asm._parse_asm_descr(kw.value.elts[1])
                        input_ops.append((val_expr, constraint))
                        operand_seq += 1

        return output_ops, input_ops, operand_seq

    @staticmethod
    def _parse_asm_clobbers(args: list[ast.AST], keywords: list[ast.keyword]) -> list[str]:
        """解析位置参数和关键字参数中的破坏列表"""
        clobbers: list[str] = []

        # 处理位置参数中的破坏列表
        for arg in args[1:]:
            if isinstance(arg, ast.List):
                # 解析破坏列表（支持|组合）
                for elt in arg.elts:
                    clobber_val: str = Asm._parse_asm_descr(elt)
                    if clobber_val:
                        clobbers.append(clobber_val)

        # 处理关键字参数中的破坏列表
        for kw in keywords:
            if kw.arg == 'op':
                # 处理 op 关键字参数 (clobber，破坏列表)
                if isinstance(kw.value, ast.List):
                    for elt in kw.value.elts:
                        clobber_val: str = Asm._parse_asm_descr(elt)
                        if clobber_val:
                            clobbers.append(clobber_val)
            elif kw.arg == 'clobber':
                # 处理 clobber 关键字参数
                if isinstance(kw.value, ast.List):
                    for elt in kw.value.elts:
                        clobber_val: str = Asm._parse_asm_descr(elt)
                        if clobber_val:
                            clobbers.append(clobber_val)

        return clobbers

    @staticmethod
    def _generate_asm_code(asm_code: str, output_ops: list[tuple[str, str]], input_ops: list[tuple[str, str]], clobbers: list[str], asm_format: str) -> list[str]:
        """格式化汇编代码并生成最终的__asm__代码字符串"""
        # 格式化汇编代码
        asm_lines: list[str] = [line.strip() for line in asm_code.split('\n') if line.strip()]
        formatted_asm: str = '\n        '.join([f'"{line}\\n"' for line in asm_lines])

        # 拼接约束字符串
        # 输出约束：如果约束已包含 = 或 +，直接使用；否则添加 =
        def format_constraint(constraint: str, is_output: bool = True) -> str:
            if not constraint:
                return ""
            # 如果约束已包含修饰符，直接返回
            if '=' in constraint or '+' in constraint:
                return constraint
            # 否则添加适当的修饰符
            return ('=' if is_output else '') + constraint

        out_const: str = ', '.join([f'"{format_constraint(c, True)}"({v})' for v, c in output_ops]) if output_ops else ""
        in_const: str = ', '.join([f'"{format_constraint(c, False)}"({v})' for v, c in input_ops]) if input_ops else ""
        clobber_const: str = ', '.join([f'"{x}"' for x in clobbers]) if clobbers else ""

        # 构建约束部分：确保冒号格式正确
        constraint_parts: list[str] = []
        # 输出约束
        if output_ops:
            constraint_parts.append(f': {out_const}')
        elif input_ops or clobbers:
            constraint_parts.append(':')

        # 输入约束
        if input_ops:
            constraint_parts.append(f': {in_const}')
        elif clobbers:
            constraint_parts.append(':')

        # 破坏列表
        if clobbers:
            constraint_parts.append(f': {clobber_const}')

        constraint_str: str = ' '.join(constraint_parts)

        # 生成最终代码
        if asm_format == 'ARM':
            # ARM 使用 .arch 指令和不同的内联汇编语法
            final_asm: str = f'__asm__ __volatile__ (\n        {formatted_asm} {constraint_str});'
        elif asm_format == 'AT&T':
            # AT&T 语法不需要额外标记，GCC 默认就是 AT&T
            final_asm = f'__asm__ __volatile__ (\n        {formatted_asm} {constraint_str});'
        else:
            # Intel 语法需要 .intel_syntax 指令
            final_asm = f'__asm__ __volatile__ (".intel_syntax noprefix\\n\\t"\n        {formatted_asm} ".att_syntax prefix" {constraint_str});'
        return [final_asm]

    @staticmethod
    def HandleCall(translator: Any, args: list[ast.AST], keywords: list[ast.keyword]) -> list[str]:
        if not args:
            return ['__asm__ volatile ("nop");']

        # 解析模板
        asm_code: str
        output_ops: list[tuple[str, str]]
        input_ops: list[tuple[str, str]]
        operand_seq: int
        asm_code, output_ops, input_ops, operand_seq = Asm._parse_asm_template(translator, args)

        # 解析操作数
        output_ops, input_ops, operand_seq = Asm._parse_asm_operands(
            translator, args, keywords, output_ops, input_ops, operand_seq)

        # 解析破坏列表
        clobbers: list[str] = Asm._parse_asm_clobbers(args, keywords)

        # 解析汇编格式
        asm_format: str = 'Intel'
        for kw in keywords:
            if kw.arg == 'format':
                if isinstance(kw.value, ast.Constant) and isinstance(kw.value.value, str):
                    asm_format = kw.value.value

        # 生成最终代码
        return Asm._generate_asm_code(asm_code, output_ops, input_ops, clobbers, asm_format)

class AsmInp:
    def __init__(self, value: Any, constraint: Any) -> None:
        self.value: Any = value
        self.constraint: Any = constraint
    @staticmethod
    def HandleCall(translator: Any, args: Any, keywords: Any) -> list[Any]:
        return []

class AsmOut:
    def __init__(self, value: Any, constraint: Any) -> None:
        self.value: Any = value
        self.constraint: Any = constraint
    @staticmethod
    def HandleCall(translator: Any, args: Any, keywords: Any) -> list[Any]:
        return []

class NoBreak:
    """ switch 分支无break """
    pass

class Break:
    """ switch 分支提前break """
    pass

class Load:
    """解引用a写入b，等价于 *b = *a，无拷贝副作用"""
    def __init__(self, src: Any, dst: Any) -> None:
        self.src: Any = src
        self.dst: Any = dst

    @staticmethod
    def HandleCall(translator: Any, args: Any, keywords: Any) -> list[str]:
        if len(args) >= 2:
            src: Any = translator.HandleExpr(args[0])[0]
            dst: Any = translator.HandleExpr(args[1])[0]
            return [f'*({dst}) = *({src})']
        return []


class Addr:
    """取地址"""
    def __init__(self, addr: Any) -> None:
        self.addr: Any = addr
    
    @staticmethod
    def HandleCall(translator: Any, args: Any, keywords: Any) -> list[str]:
        """处理 c.Addr() 调用"""
        if args:
            expr: Any = translator.HandleExpr(args[0])[0]
            if isinstance(expr, str):
                return [f'&{expr}']
            return [f'&{_to_str(expr)}']
        return ['0']


class Deref:
    """解引用"""
    def __init__(self, ptr: Any) -> None:
        self.ptr: Any = ptr
    
    @staticmethod
    def HandleCall(translator: Any, args: Any, keywords: Any) -> list[str]:
        """处理 c.Deref() 调用"""
        if args:
            expr: Any = translator.HandleExpr(args[0])[0]
            if hasattr(expr, 'op') and expr.op == '*':
                return [expr]
            return [f'*({_to_str(expr)})']
        return ['0']


class DerefAs:
    """解引用写入，等价于 *ptr = value"""
    def __init__(self, ptr: Any, value: Any) -> None:
        self.ptr: Any = ptr
        self.value: Any = value
    
    @staticmethod
    def HandleCall(translator: Any, args: Any, keywords: Any) -> list[str]:
        """处理 c.DerefAs() 调用"""
        if len(args) >= 2:
            ptr: Any = translator.HandleExpr(args[0])[0]
            val: Any = translator.HandleExpr(args[1])[0]
            return [f'*({_to_str(ptr)}) = {_to_str(val)}']
        return []


class Set:
    """设置值"""
    def __init__(self, key: Any, value: Any) -> None:
        self.key: Any = key
        self.value: Any = value
    
    @staticmethod
    def HandleCall(translator: Any, args: Any, keywords: Any) -> list[str]:
        """处理 c.Set() 调用"""
        if len(args) >= 2:
            target: Any = translator.HandleExpr(args[0])[0]
            value: Any = translator.HandleExpr(args[1])[0]
            return [f'{_to_str(target)} = {_to_str(value)}']
        return []


class CReturn:
    """多返回值装饰器
    
    用于实现函数多返回值，通过匿名结构体返回实现。
    例如：@c.CReturn(t.CInt, t.CInt) 表示函数返回两个 int 值。
    等价于 -> tuple[t.CInt, t.CInt] 返回类型注解。
    
    规则：
    1. CReturn 中有几个类型就说明要返回几个值
    2. 函数返回类型为匿名结构体 { type1, type2, ... }
    3. return 语句使用 insert_value 构建结构体
    4. 调用处使用 extract_value 提取各字段
    """
    def __init__(self, *ReturnTypes: Any) -> None:
        self.ReturnTypes: tuple[Any, ...] = ReturnTypes
    
    def __call__(self, func: Any) -> Any:
        """装饰器调用"""
        # 将返回类型信息附加到函数上
        func._CreturnTypes = self.ReturnTypes
        return func


class CDefine:
    """#define 宏定义"""
    def __init__(self, name: Any, value: Any) -> None:
        self.name: Any = name
        self.value: Any = value
    
    @staticmethod
    def HandleCall(translator: Any, args: Any, keywords: Any) -> list[str]:
        """处理 c.CDefine() 调用"""
        if len(args) >= 1:
            if isinstance(args[0], ast.Constant):
                name: Any = args[0].value
            else:
                name = 'MACRO'
            if len(args) >= 2:
                value: Any = translator.HandleExpr(args[1])[0]
                return ['#define ' + str(name) + ' ' + _to_str(value)]
            return ['#define ' + str(name)]
        return []


class CIfndef:
    """#ifndef 条件编译"""
    def __init__(self, condition: Any) -> None:
        self.condition: Any = condition
    
    @staticmethod
    def HandleCall(translator: Any, args: Any, keywords: Any) -> list[str]:
        """处理 c.CIfndef() 调用"""
        if args:
            condition: Any = translator.HandleExpr(args[0])[0]
            return ['#ifndef ' + _to_str(condition)]
        return ['#if 0']

class CIfdef:
    """#ifdef 条件编译"""
    def __init__(self, condition: Any) -> None:
        self.condition: Any = condition
    
    @staticmethod
    def HandleCall(translator: Any, args: Any, keywords: Any) -> list[str]:
        """处理 c.CIfdef() 调用"""
        if args:
            condition: Any = translator.HandleExpr(args[0])[0]
            return ['#ifdef ' + _to_str(condition)]
        return ['#if 0']

class CError:
    """#error 错误信息"""
    def __init__(self, condition: Any) -> None:
        self.condition: Any = condition
    
    @staticmethod
    def HandleCall(translator: Any, args: Any, keywords: Any) -> list[str]:
        """处理 c.CError() 调用"""
        if args:
            # 如果是字符串常量，保留引号
            if isinstance(args[0], ast.Constant) and isinstance(args[0].value, str):
                return ['#error "' + args[0].value + '"']
            else:
                condition: Any = translator.HandleExpr(args[0])[0]
                return ['#error ' + _to_str(condition)]
        return ['#error "Error: Condition is not met."']


class TokenPast:
    """## 连接符"""
    def __init__(self, left: Any, right: Any) -> None:
        self.left: Any = left
        self.right: Any = right
    
    @staticmethod
    def HandleCall(translator: Any, args: Any, keywords: Any) -> list[Any]:
        """处理 c.TokenPast() 调用"""
        if len(args) >= 2:
            # 处理左操作数 - 去掉引号
            if isinstance(args[0], ast.Constant):
                left: str = str(args[0].value)
            elif isinstance(args[0], ast.Name):
                left = args[0].id
            else:
                left = _to_str(translator.HandleExpr(args[0])[0])
            
            # 处理右操作数 - 去掉引号
            if isinstance(args[1], ast.Constant):
                right: str = str(args[1].value)
            elif isinstance(args[1], ast.Name):
                right = args[1].id
            else:
                right = _to_str(translator.HandleExpr(args[1])[0])
            
            # 返回字符串，但用特殊标记包装，让 _AstNodeToStr 能正确处理
            result: str = left + ' ## ' + right
            # 使用一个特殊的类来包装结果，让 _AstNodeToStr 直接返回其值
            class TokenPastResult:
                def __init__(self, value: str) -> None:
                    self.value: str = value
                def __str__(self) -> str:
                    return self.value
            return [TokenPastResult(result)]
        return ['']


class CIf:
    """#if 条件编译"""
    def __init__(self, condition: Any) -> None:
        self.condition: Any = condition
    
    @staticmethod
    def HandleCall(translator: Any, args: Any, keywords: Any) -> list[str]:
        """处理 c.CIf() 调用"""
        if args:
            condition: Any = translator.HandleExpr(args[0])[0]
            return ['#if ' + _to_str(condition)]
        return ['#if 0']


class CElif:
    """#elif 条件编译"""
    def __init__(self, condition: Any) -> None:
        self.condition: Any = condition
    
    @staticmethod
    def HandleCall(translator: Any, args: Any, keywords: Any) -> list[str]:
        """处理 c.CElif() 调用"""
        if args:
            condition: Any = translator.HandleExpr(args[0])[0]
            return ['#elif ' + _to_str(condition)]
        return ['#else']


class CElse:
    """#else 条件编译"""
    def __init__(self) -> None:
        pass
    
    @staticmethod
    def HandleCall(translator: Any, args: Any, keywords: Any) -> list[str]:
        """处理 c.CElse() 调用"""
        return ['#else']


class CEndif:
    """#endif 条件编译"""
    def __init__(self) -> None:
        pass
    
    @staticmethod
    def HandleCall(translator: Any, args: Any, keywords: Any) -> list[str]:
        """处理 c.CEndif() 调用"""
        return ['#endif']


class CUndef:
    """#undef 取消宏定义"""
    def __init__(self, name: Any) -> None:
        self.name: Any = name
    
    @staticmethod
    def HandleCall(translator: Any, args: Any, keywords: Any) -> list[str]:
        """处理 c.CUndef(name) 调用"""
        if args:
            arg: Any = args[0]
            if isinstance(arg, str):
                name: str = arg
            elif isinstance(arg, ast.Name):
                name = arg.id
            elif isinstance(arg, ast.Constant):
                name = str(arg.value)
            else:
                name = str(arg)
            return [f'#undef {name}']
        return ['#undef']


class LLVMIR:
    """内联 LLVM IR
    
    用法: c.LLVMIR(f"add i32 {c.LInp(a)}, {c.LInp(b)}", t.CInt)
    或:   c.LLVMIR(f"%{c.LOut(result)} = add i32 {c.LInp(a)}, {c.LInp(b)}", t.CInt)
    
    c.LInp(expr) - 输入操作数，翻译后替换为对应的 LLVM 临时变量名
    c.LOut(expr) - 输出操作数，翻译后替换为对应的 LLVM 临时变量名
    """
    def __init__(self, ir_template: Any, ret_type: Any = None) -> None:
        self.ir_template: Any = ir_template
        self.ret_type: Any = ret_type
    
    @staticmethod
    def HandleCall(translator: Any, args: Any, keywords: Any) -> list[str]:
        return ['/* LLVMIR */']


class LInp:
    """LLVM IR 输入操作数标记
    
    用法: c.LInp(expr) - 标记 expr 为输入操作数
    在 c.LLVMIR 的 f-string 中使用，翻译后替换为 %N 形式的操作数引用
    """
    def __init__(self, value: Any) -> None:
        self.value: Any = value
    
    @staticmethod
    def HandleCall(translator: Any, args: Any, keywords: Any) -> list[Any]:
        return []


class LOut:
    """LLVM IR 输出操作数标记
    
    用法: c.LOut(expr) - 标记 expr 为输出操作数
    在 c.LLVMIR 的 f-string 中使用，翻译后替换为 %N 形式的操作数引用
    """
    def __init__(self, value: Any) -> None:
        self.value: Any = value
    
    @staticmethod
    def HandleCall(translator: Any, args: Any, keywords: Any) -> list[Any]:
        return []


class CPragma:
    """#pragma 指令
    
    用于生成 C 语言的 #pragma 指令。
    例如：c.CPragma("GCC diagnostic push") 生成 #pragma GCC diagnostic push
    """
    def __init__(self, directive: Any) -> None:
        self.directive: Any = directive
    
    @staticmethod
    def HandleCall(translator: Any, args: Any, keywords: Any) -> list[str]:
        """处理 c.CPragma() 调用"""
        if args:
            arg: Any = args[0]
            if isinstance(arg, ast.Constant):
                directive: Any = arg.value
            else:
                expr: Any = translator.HandleExpr(arg)[0]
                directive = _to_str(expr)
            return [f'#pragma {directive}']
        return ['#pragma']


# C 库类字典，用于 HandleCSpecialCall
Library_C = {
    'Asm': Asm,
    'Load': Load,
    'Addr': Addr,
    'Deref': Deref,
    'Set': Set,
    'AsmInp': AsmInp,
    'AsmOut': AsmOut,
    'CDefine': CDefine,
    'CIfndef': CIfndef,
    'CIfdef': CIfdef,
    'CIf': CIf,
    'CElif': CElif,
    'CElse': CElse,
    'CEndif': CEndif,
    'CUndef': CUndef,
    'CError': CError,
    'TokenPast': TokenPast,
    'CReturn': CReturn,
    'CPragma': CPragma,
    'LLVMIR': LLVMIR,
    'LInp': LInp,
    'LOut': LOut,
}


class Attribute:
    """函数/变量属性装饰器"""
    def __init__(self, *attrs: Any) -> None:
        self.attrs: tuple[Any, ...] = attrs
    
    def __call__(self, func: Any) -> Any:
        # 将属性附加到函数上
        func._c_attributes = self.attrs
        return func