diff --git a/lib/core/Handles/HandlesExprCall.py b/lib/core/Handles/HandlesExprCall.py index 9eec122..318781f 100644 --- a/lib/core/Handles/HandlesExprCall.py +++ b/lib/core/Handles/HandlesExprCall.py @@ -536,16 +536,6 @@ class ExprCallHandle(BaseHandle): # CPragma / CUndef 不是普通函数，优先于符号查找。 if FuncName == 'Asm': return self.Trans.ExprAsmHandle._HandleAsmLlvm(Node) - if FuncName == 'Addr': - return self.Trans.CSpecialCallHandle._HandleCAddrLlvm(Node) - if FuncName == 'Load': - return self.Trans.CSpecialCallHandle._HandleCLoadLlvm(Node) - if FuncName == 'Deref': - return self.Trans.CSpecialCallHandle._HandleCDerefLlvm(Node) - if FuncName == 'DerefAs': - return self._HandleCDerefAsLlvm(Node) - if FuncName == 'PtrToInt': - return self.Trans.CSpecialCallHandle._HandleCPtrToIntLlvm(Node) if FuncName in ('AsmInp', 'AsmOut', 'LInp', 'LOut'): return ir.Constant(ir.IntType(32), 0) if FuncName == 'LLVMIR': @@ -4850,47 +4840,6 @@ class ExprCallHandle(BaseHandle): Gen: LlvmGeneratorMixin = self.Trans.LlvmGen return ir.Constant(ir.IntType(32), 0) - def _HandleCDerefAsLlvm(self, Node: ast.Call) -> ir.Value | None: - """DerefAs(p, v)：bitcast **指针** p 到 typeof(v)* 后按值存 v（`*(T*(p)) = v`）。 - - 与 ViperC CallGenCBuiltin.translate_c_derefas 逐字同口径： - - 单参形式（len<2）是**解引用读取**（等同 Deref(p)）； - - 双参：p、v 均为指针且 p 的 pointee 是结构体且与 v 的 pointee **同一**时， - 按整对象拷贝（load v 指向的对象 + bitcast p + store）；否则 bitcast p 到 - typeof(v)* 后按值 store v。 - 此前实现把**值** bitcast 成指针大小整数再写（`*(intptr_t*(p)) = (intptr_t)v`）， - 与语义不符（R5 混淆了"bitcast 指针"与"bitcast 值"）。 - """ - Gen: LlvmGeneratorMixin = self.Trans.LlvmGen - if Node.args is None or len(Node.args) < 1: - return ir.Constant(ir.IntType(32), 0) - if len(Node.args) < 2: - # 单参：解引用读取（与 VPC translate_c_derefas 的转发口径一致） - return self.Trans.CSpecialCallHandle._HandleCDerefLlvm(Node) - ptr_val: ir.Value | None = self.HandleExprLlvm(Node.args[0]) - val_val: ir.Value | None = self.HandleExprLlvm(Node.args[1]) - if ptr_val is None or val_val is None: - return ir.Constant(ir.IntType(32), 0) - if not isinstance(ptr_val.type, ir.PointerType): - return val_val - # 整对象拷贝：p 的 pointee 是结构体且与 v 的 pointee 同一（REnum 变体 tag 才不会丢） - if isinstance(val_val.type, ir.PointerType): - p_pointee: ir.Type = ptr_val.type.pointee - v_pointee: ir.Type = val_val.type.pointee - if (isinstance(p_pointee, (ir.IdentifiedStructType, ir.LiteralStructType)) - and p_pointee == v_pointee): - loaded_s: ir.Value = Gen._load(val_val, name="deref_as_struct_load") - store_ptr: ir.Value = ptr_val - if store_ptr.type != val_val.type: - store_ptr = Gen.builder.bitcast(ptr_val, val_val.type, name="deref_as_ptr_align") - Gen._store(loaded_s, store_ptr) - return val_val - # 常规：bitcast p 到 typeof(v)* 后按值存 v（`*(T*(p)) = v`） - if ptr_val.type.pointee != val_val.type: - ptr_val = Gen.builder.bitcast(ptr_val, ir.PointerType(val_val.type), name="deref_as_cast") - Gen._store(val_val, ptr_val) - return val_val - def _InjectRequiresFields(self, result: ir.Value, ClassName: str, Gen: LlvmGeneratorMixin) -> None: """在 __new__ 后、__init__ 前自动注入 __requires__/__require_must__ 字段。 diff --git a/lib/core/Handles/HandlesIf.py b/lib/core/Handles/HandlesIf.py index bd4ba7c..84673f6 100644 --- a/lib/core/Handles/HandlesIf.py +++ b/lib/core/Handles/HandlesIf.py @@ -30,14 +30,6 @@ class IfHandle(BaseHandle): if isinstance(node, ast.Call): if isinstance(node.func, ast.Name): return node.func.id in ('@CIf', '@CIfdef', '@CIfndef') - if (isinstance(node.func, ast.Attribute) - and isinstance(node.func.value, ast.Name) - and node.func.value.id == 'c' - and node.func.attr in ('CIf', 'CIfdef', 'CIfndef', 'CElif', 'CElse', 'CEndif')): - from lib.core.LLVMCG.FuncGen import FailFastError - raise FailFastError( - f"`c.{node.func.attr}` 不是内建标记：cif/celif 条件请使用 " - f"`cif` / `celif` 语句与 `defined(NAME)` 谓词") return False def _resolve_macro_name(self, arg: ast.expr) -> str | None: diff --git a/lib/core/Handles/HandlesSpecialCall.py b/lib/core/Handles/HandlesSpecialCall.py index daa1b9f..f197e80 100644 --- a/lib/core/Handles/HandlesSpecialCall.py +++ b/lib/core/Handles/HandlesSpecialCall.py @@ -12,83 +12,6 @@ from lib.constants.config import mode as _config_mode class CSpecialCallHandle(BaseHandle): - def _HandleCAddrLlvm(self, Node: ast.Call) -> ir.Value: - Gen: LlvmGeneratorMixin = self.Trans.LlvmGen - if not Node.args: - return ir.Constant(ir.IntType(8).as_pointer(), None) - Arg = Node.args[0] - if isinstance(Arg, ast.Call): - ClassName = None - if isinstance(Arg.func, ast.Name): - ClassName = Arg.func.id - elif isinstance(Arg.func, ast.Attribute): - ClassName = Arg.func.attr - if ClassName and ClassName in Gen.structs: - StructType = Gen.structs[ClassName] - if isinstance(StructType, ir.PointerType): - StructType = StructType.pointee - ObjPtr = Gen._allocaEntry(StructType, name=f"{ClassName}_obj") - zero_val = Gen._zero_value_for_type(StructType) - if zero_val is not None: - Gen.builder.store(zero_val, ObjPtr) - ConstructorName = f"{ClassName}.__init__" - if ConstructorName in Gen.functions: - func = Gen.functions[ConstructorName] - InitArgs = [ObjPtr] - for carg in Arg.args: - ArgVal = self.HandleExprLlvm(carg) - if ArgVal: - InitArgs.append(ArgVal) - for kw in Arg.keywords: - ArgVal = self.HandleExprLlvm(kw.value) - if ArgVal: - InitArgs.append(ArgVal) - if hasattr(self.Trans.ExprCallHandle, '_append_eh_msg_out_arg'): - self.Trans.ExprCallHandle._append_eh_msg_out_arg(InitArgs, func, Gen) - adjusted = Gen._adjust_args(InitArgs, func) - Gen.builder.call(func, adjusted, name=f"{ClassName}_construct") - return Gen.builder.bitcast(ObjPtr, ir.IntType(8).as_pointer(), name=f"{ClassName}_as_i8ptr") - if isinstance(Arg, ast.Subscript): - SubPtr = self.Trans.ExprAttrHandle.HandleSubscriptPtrLlvm(Arg) - if SubPtr and isinstance(SubPtr.type, ir.PointerType): - return Gen.builder.bitcast(SubPtr, ir.IntType(8).as_pointer(), name="addr_subscript_as_i8ptr") - if isinstance(Arg, ast.Attribute): - AttrPtr = self.Trans.ExprAttrHandle._get_attr_ptr(Arg) - if AttrPtr and isinstance(AttrPtr.type, ir.PointerType): - return Gen.builder.bitcast(AttrPtr, ir.IntType(8).as_pointer(), name="addr_attr_as_i8ptr") - if isinstance(Arg, ast.Name): - VarName = Arg.id - if VarName in Gen.functions: - func = Gen.functions[VarName] - return Gen.builder.bitcast(func, ir.IntType(8).as_pointer(), name="addr_func_as_i8ptr") - if VarName in Gen.variables and Gen.variables[VarName] is not None: - var_ptr = Gen.variables[VarName] - if isinstance(var_ptr.type, ir.PointerType): - # For pointer-to-pointer allocas (var_ptr is T**): - # - If T is a named struct (@Object class), the variable semantically - # IS the struct, so Addr should return the struct pointer value. - # - If T is a primitive pointer type (e.g., i8*), the variable semantically - # holds a pointer, so Addr should return &var (alloca address). - if isinstance(var_ptr.type.pointee, ir.PointerType): - pointee = var_ptr.type.pointee.pointee - if isinstance(pointee, ir.IdentifiedStructType): - # @Object class variable — return Loaded struct pointer - ArgVal = self.HandleExprLlvm(Arg) - if ArgVal and isinstance(ArgVal.type, ir.PointerType): - return Gen.builder.bitcast(ArgVal, ir.IntType(8).as_pointer(), name="addr_as_i8ptr") - # Pointer-type variable — return alloca address (&var) - return Gen.builder.bitcast(var_ptr, ir.IntType(8).as_pointer(), name="addr_as_i8ptr") - return Gen.builder.bitcast(var_ptr, ir.IntType(8).as_pointer(), name="addr_as_i8ptr") - ArgVal = self.HandleExprLlvm(Arg) - if ArgVal: - if isinstance(ArgVal.type, ir.IntType): - alloca = Gen._alloca(ArgVal.type, name="addr_tmp") - Gen._store(ArgVal, alloca) - return Gen.builder.bitcast(alloca, ir.IntType(8).as_pointer(), name="addr_as_i8ptr") - elif isinstance(ArgVal.type, ir.PointerType): - return Gen.builder.bitcast(ArgVal, ir.IntType(8).as_pointer(), name="addr_bitcast") - return ir.Constant(ir.IntType(8).as_pointer(), None) - def EmitRawCopyLlvm(self, DstPtr: ir.Value, SrcPtr: ir.Value, Gen: LlvmGeneratorMixin, NamePrefix: str = "rawcopy") -> bool: """Emit `*dst = *src` as a raw byte copy (Load semantics); False if unusable. @@ -111,98 +34,6 @@ class CSpecialCallHandle(BaseHandle): Gen._store(Loaded, DstCast) return True - def _HandleCLoadLlvm(self, Node: ast.Call) -> ir.Value: - Gen: LlvmGeneratorMixin = self.Trans.LlvmGen - if len(Node.args) < 2: - return ir.Constant(ir.IntType(32), 0) - # Load(a, b) 语义: *a = *b（a 是目标，b 是源） - # wiki 文档: Load(ptr, value) -> *ptr = *value; - dst_val: ir.Value | None = self.HandleExprLlvm(Node.args[0]) - src_val: ir.Value | None = self.HandleExprLlvm(Node.args[1]) - if not src_val or not dst_val: - return ir.Constant(ir.IntType(32), 0) - if not isinstance(src_val.type, ir.PointerType) or not isinstance(dst_val.type, ir.PointerType): - return ir.Constant(ir.IntType(32), 0) - pointee = dst_val.type.pointee - # Addr 统一返回 i8* 通用指针，丢失原始类型信息。 - # 若 dst 是 Addr(var)，从 var 的 alloca 类型推断真实 pointee（如 i64）， - # 否则 Load 只会按 i8 加载 1 字节（IEEE 754 double→u64 位重解释 bug）。 - if (isinstance(pointee, ir.IntType) and pointee.width == 8 - and isinstance(Node.args[0], ast.Call) - and isinstance(Node.args[0].func, ast.Name) - and Node.args[0].func.id == 'Addr' - and Node.args[0].args - and isinstance(Node.args[0].args[0], ast.Name)): - var_name = Node.args[0].args[0].id - if var_name in Gen.variables and Gen.variables[var_name] is not None: - var_ptr = Gen.variables[var_name] - if isinstance(var_ptr.type, ir.PointerType): - pointee = var_ptr.type.pointee - TargetPtrTy: ir.PointerType = ir.PointerType(pointee) - DstPtr: ir.Value = dst_val if dst_val.type == TargetPtrTy else Gen.builder.bitcast(dst_val, TargetPtrTy, name="cLoad_dst_cast") - return ir.Constant(ir.IntType(32), 1 if self.EmitRawCopyLlvm(DstPtr, src_val, Gen, "cLoad") else 0) - - def _HandleCDerefLlvm(self, Node: ast.Call) -> ir.Value: - Gen: LlvmGeneratorMixin = self.Trans.LlvmGen - if not Node.args: - return ir.Constant(ir.IntType(64), 0) - # 检测嵌套 Deref(Deref(...))：设置标志让内层 Deref 加载为指针 - IsNestedDeref: bool = ( - isinstance(Node.args[0], ast.Call) - and isinstance(Node.args[0].func, ast.Name) - and Node.args[0].func.id == 'Deref' - ) - if IsNestedDeref: - Gen._nested_deref_load_ptr = True - try: - arg_val: ir.Value | None = self.HandleExprLlvm(Node.args[0]) - finally: - if IsNestedDeref: - Gen._nested_deref_load_ptr = False - if arg_val is None: - return ir.Constant(ir.IntType(32), 0) - if isinstance(arg_val.type, ir.PointerType): - # 嵌套 Deref 的内层：加载为指针 (i8*)，不推断目标类型 - # 因为结果会被外层 Deref 再次解引用 - NestedLoadPtr: bool = getattr(Gen, '_nested_deref_load_ptr', False) - if NestedLoadPtr: - PtrType: ir.Type = ir.PointerType(ir.IntType(8)) - casted: ir.Value = Gen.builder.bitcast(arg_val, ir.PointerType(PtrType), name="deref_cast") - Loaded = Gen._load(casted, name="deref") - if Loaded is not None: - return Loaded - # 读取宽度只由指针的 pointee 类型决定（_load 按 arg_val.type.pointee - # 加载一个元素）：pointee 是 i8（CPtr / void* / str / bytes）即恒读 - # 1 字节，不再按赋值目标注解反推宽度——那会让同一处 Deref(i8*) 的 - # 读取宽度取决于它是否恰好出现在带注解赋值的 RHS 里。需要 4/8 字节等 - # 更宽读取时，由调用点显式给出元素类型指针后再解引用 - # （Deref((int | CPtr)(p)) / Deref(CUInt64T(p, CPtr))）。 - Loaded = Gen._load(arg_val, name="deref") - if Loaded is not None: - return Loaded - return arg_val - - def _HandleCPtrToIntLlvm(self, Node: ast.Call) -> ir.Value: - Gen: LlvmGeneratorMixin = self.Trans.LlvmGen - if not Node.args: - return ir.Constant(ir.IntType(64), 0) - arg_val: ir.Value | None = self.HandleExprLlvm(Node.args[0]) - if arg_val is None: - return ir.Constant(ir.IntType(64), 0) - if isinstance(arg_val.type, ir.PointerType): - return Gen.builder.ptrtoint(arg_val, ir.IntType(64), name="ptrtoint_result") - if isinstance(arg_val.type, ir.IntType): - if arg_val.type.width < 64: - return Gen.builder.zext(arg_val, ir.IntType(64), name="zext_ptrtoint") - elif arg_val.type.width > 64: - return Gen.builder.trunc(arg_val, ir.IntType(64), name="trunc_ptrtoint") - return arg_val - return ir.Constant(ir.IntType(64), 0) - - -class TSpecialCallHandle(BaseHandle): - - @staticmethod def _ResolveTAttrToCName(attr: str) -> str | None: ctype_cls: type | None = CTypeRegistry.GetClassByName(attr) if ctype_cls is not None: