499 lines
32 KiB
Python
499 lines
32 KiB
Python
from __future__ import annotations
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from typing import TYPE_CHECKING, Any
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if TYPE_CHECKING:
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from lib.core.translator import Translator
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from lib.core.LlvmCodeGenerator import LlvmCodeGenerator
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import ast
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import llvmlite.ir as ir
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from lib.core.Handles.HandlesBase import BaseHandle, CTypeInfo
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from lib.core.VLogger import get_logger as _vlog
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from lib.constants.config import mode as _config_mode
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from lib.includes import t
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from lib.core.SymbolUtils import IsListAnnotation, ParseListAnnotation, FindStructNameInAnnotation
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class AnnAssignHandle(BaseHandle):
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def _GetCTypeInfo(self, annotation: ast.AST) -> CTypeInfo | None:
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return self.Trans.TypeMergeHandler.GetCTypeInfo(annotation)
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def _StoreOrStrCopy(self, VarName: str, VarPtr: ir.Value, Value: ir.Value) -> None:
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Gen: LlvmCodeGenerator = self.Trans.LlvmGen
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DestPtr: ir.Value = Gen._load(VarPtr, name=VarName)
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if isinstance(DestPtr.type, ir.PointerType) and isinstance(DestPtr.type.pointee, ir.IntType) and DestPtr.type.pointee.width == 8:
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if isinstance(Value.type, ir.PointerType) and isinstance(Value.type.pointee, ir.IntType) and Value.type.pointee.width == 8:
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if 'llvm.memcpy' not in Gen.functions:
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memcpy_type: ir.FunctionType = ir.FunctionType(ir.VoidType(), [ir.PointerType(ir.IntType(8)), ir.PointerType(ir.IntType(8)), ir.IntType(64), ir.IntType(32), ir.IntType(1)])
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Gen.functions['llvm.memcpy'] = ir.Function(Gen.module, memcpy_type, name='llvm.memcpy')
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if isinstance(DestPtr.type.pointee, ir.IntType) and not isinstance(DestPtr.type.pointee, ir.IntType(8)):
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DestPtr = Gen.builder.bitcast(DestPtr, ir.PointerType(ir.IntType(8)), name=f"strcpy_dst_cast_{VarName}")
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if isinstance(Value.type.pointee, ir.IntType) and not isinstance(Value.type.pointee, ir.IntType(8)):
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Value = Gen.builder.bitcast(Value, ir.PointerType(ir.IntType(8)), name=f"strcpy_src_cast_{VarName}")
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size: ir.Constant = ir.Constant(ir.IntType(64), 8)
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align: ir.Constant = ir.Constant(ir.IntType(32), 1)
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isvolatile: ir.Constant = ir.Constant(ir.IntType(1), 0)
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Gen.builder.call(Gen.functions['llvm.memcpy'], [DestPtr, Value, size, align, isvolatile], name=f"strcpy_call_{VarName}")
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return
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try:
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CastedVal: ir.Value = Gen.builder.bitcast(Value, VarPtr.type.pointee, name=f"cast_{VarName}")
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Gen._store(CastedVal, VarPtr)
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except Exception: # 回退：bitcast 失败时 alloca 新变量
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NewVar: ir.AllocaInstr = Gen._allocaEntry(Value.type, name=VarName)
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Gen._store(Value, NewVar)
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Gen.variables[VarName] = NewVar
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def _HandleAttributeStoreLlvm(self, Target: ast.Attribute, Value: ir.Value) -> None:
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Gen: LlvmCodeGenerator = self.Trans.LlvmGen
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AttrName: str = Target.attr
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if isinstance(Target.value, ast.Name) and Target.value.id == 'self':
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ClassName: str | None = self._CurrentCpythonObjectClass
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if not ClassName:
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self_var: ir.Value | None = Gen.variables.get('self')
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if self_var:
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var_type: ir.Type = self_var.type
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if isinstance(var_type, ir.PointerType) and isinstance(var_type.pointee, ir.PointerType):
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var_type = var_type.pointee
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if isinstance(var_type, ir.PointerType):
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pointee: ir.Type = var_type.pointee
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for cn, st in Gen.structs.items():
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if st == pointee:
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ClassName = cn
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break
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if ClassName and ClassName in Gen.structs:
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SelfVar: ir.Value | None = Gen._get_var_ptr('self')
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if SelfVar:
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SelfPtr: ir.Value = Gen._load(SelfVar, name="self")
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offset: int = Gen._get_member_offset(AttrName, ClassName)
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MemberPtr: ir.Value = Gen.builder.gep(SelfPtr, [ir.Constant(ir.IntType(32), 0), ir.Constant(ir.IntType(32), offset)], name=AttrName)
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self._StoreWithCoerce(Value, MemberPtr)
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elif isinstance(Target.value, ast.Name):
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VarName: str = Target.value.id
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# FakeDuck: 检查是否有影子结构体 a__meta__ (str 变量的 per-instance 字段存储)
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# 直接通过 a.__field__ = value 访问影子结构体字段 (语法糖)
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_fd_meta_name: str = f"{VarName}__meta__"
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if _fd_meta_name in Gen.variables and '_str' in Gen.structs:
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_fd_offset = Gen._get_member_offset(AttrName, '_str')
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if _fd_offset is not None:
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_fd_meta_ptr: ir.Value = Gen.variables[_fd_meta_name]
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_fd_field_ptr: ir.Value = Gen.builder.gep(_fd_meta_ptr, [ir.Constant(ir.IntType(32), 0), ir.Constant(ir.IntType(32), _fd_offset)], name=f"{VarName}_{AttrName}_ptr")
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self._StoreWithCoerce(Value, _fd_field_ptr)
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return
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ClassName: str | None = Gen.var_struct_class.get(VarName)
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if not ClassName:
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for CN in Gen.structs:
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if VarName == CN.lower() or VarName.startswith(CN):
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ClassName = CN
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break
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if not ClassName and VarName in Gen.variables:
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VarPtr: ir.Value = Gen.variables[VarName]
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if isinstance(VarPtr.type, ir.PointerType):
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pointee: ir.Type = VarPtr.type.pointee
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if isinstance(pointee, ir.PointerType):
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pointee = pointee.pointee
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for CN, ST in Gen.structs.items():
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if pointee == ST:
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ClassName = CN
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break
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IsUnion: bool = False
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if ClassName:
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ClassTypeInfo: Any = self.Trans.SymbolTable.lookup(ClassName)
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if ClassTypeInfo:
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if ClassTypeInfo.IsUnion:
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IsUnion = True
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if ClassName and ClassName in Gen.structs:
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ObjVal: ir.Value | None = self.Trans.ExprHandler.HandleExprLlvm(Target.value)
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if ObjVal:
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if isinstance(ObjVal.type, ir.PointerType) and isinstance(ObjVal.type.pointee, ir.IntType) and ObjVal.type.pointee.width == 8:
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ObjVal = Gen.builder.bitcast(ObjVal, ir.PointerType(Gen.structs[ClassName]), name=f"cast_{ClassName}")
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if isinstance(ObjVal.type, ir.PointerType) and isinstance(ObjVal.type.pointee, ir.PointerType):
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ObjVal = Gen._load(ObjVal, name=f"Load_{ClassName}")
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if isinstance(ObjVal.type, ir.PointerType) and ObjVal.type.pointee == Gen.structs[ClassName]:
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if IsUnion:
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NestedStructName: str = f"{ClassName}_{AttrName}"
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if NestedStructName in Gen.structs:
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NestedStructType: ir.Type = Gen.structs[NestedStructName]
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ObjVal = Gen.builder.bitcast(ObjVal, ir.PointerType(NestedStructType), name=f"cast_{NestedStructName}")
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offset: int = Gen._get_member_offset(AttrName, NestedStructName)
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if offset is not None and offset < len(NestedStructType.elements):
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MemberPtr: ir.Value = Gen.builder.gep(ObjVal, [ir.Constant(ir.IntType(32), 0), ir.Constant(ir.IntType(32), offset)], name=AttrName)
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self._StoreWithCoerce(Value, MemberPtr)
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return
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offset: int = Gen._get_member_offset(AttrName, ClassName)
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MemberPtr: ir.Value = Gen.builder.gep(ObjVal, [ir.Constant(ir.IntType(32), 0), ir.Constant(ir.IntType(32), offset)], name=AttrName)
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self._StoreWithCoerce(Value, MemberPtr)
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elif isinstance(Target.value, ast.Attribute):
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ObjVal: ir.Value | None = self.Trans.ExprHandler.HandleExprLlvm(Target.value)
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if ObjVal and isinstance(ObjVal.type, ir.PointerType):
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pointee: ir.Type = ObjVal.type.pointee
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if isinstance(pointee, (ir.LiteralStructType, ir.IdentifiedStructType)):
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for CN, ST in Gen.structs.items():
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if pointee == ST:
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offset: int = Gen._get_member_offset(AttrName, CN)
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MemberPtr: ir.Value = Gen.builder.gep(ObjVal, [ir.Constant(ir.IntType(32), 0), ir.Constant(ir.IntType(32), offset)], name=AttrName)
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self._StoreWithCoerce(Value, MemberPtr)
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break
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def _StoreWithCoerce(self, Value: ir.Value, Ptr: ir.Value) -> None:
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Gen: LlvmCodeGenerator = self.Trans.LlvmGen
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if isinstance(Ptr.type, ir.PointerType):
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TargetType: ir.Type = Ptr.type.pointee
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if Value.type != TargetType:
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if isinstance(TargetType, ir.IntType) and isinstance(Value.type, ir.IntType):
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if TargetType.width < Value.type.width:
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Value = Gen.builder.trunc(Value, TargetType, name="trunc")
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else:
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Value = Gen.builder.zext(Value, TargetType, name="zext")
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elif isinstance(TargetType, ir.PointerType) and isinstance(Value.type, ir.PointerType):
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Value = Gen.builder.bitcast(Value, TargetType, name="ptr_bitcast")
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elif isinstance(TargetType, ir.PointerType) and isinstance(Value.type, ir.IntType):
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Value = Gen.builder.inttoptr(Value, TargetType, name="int_to_ptr")
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elif isinstance(TargetType, ir.IntType) and isinstance(Value.type, ir.PointerType):
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Value = Gen.builder.ptrtoint(Value, TargetType, name="ptr_to_int")
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Gen._store(Value, Ptr)
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def _HandleAnnAssignLlvm(self, Node: ast.AnnAssign) -> None:
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Gen: LlvmCodeGenerator = self.Trans.LlvmGen
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self.Trans._current_assign_node = Node
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try:
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self._HandleAnnAssignLlvmInner(Node)
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finally:
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self.Trans._current_assign_node = None
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def _HandleAnnAssignLlvmInner(self, Node: ast.AnnAssign) -> None:
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Gen: LlvmCodeGenerator = self.Trans.LlvmGen
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if isinstance(Node.target, ast.Name):
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VarName: str = Node.target.id
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TypeInfo: CTypeInfo | None = self.Trans.TypeMergeHandler.GetCTypeInfo(Node.annotation)
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if TypeInfo is None:
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TypeInfo = CTypeInfo()
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TypeInfo.BaseType = t.CInt()
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IsPtr: bool = TypeInfo.IsPtr
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if TypeInfo.IsDefine:
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if Node.value and isinstance(Node.value, ast.Constant):
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if not hasattr(Gen, '_define_constants'):
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Gen._define_constants = {}
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Gen._define_constants[VarName] = Node.value.value
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info: CTypeInfo = CTypeInfo()
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info.IsDefine = True
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info.DefineValue = Node.value.value
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self.Trans.SymbolTable.insert(VarName, info)
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Gen._record_var_signedness(VarName, TypeInfo.IsUInt)
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return
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if TypeInfo.IsStr or (isinstance(Node.annotation, ast.Name) and Node.annotation.id == 'str'):
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TypeInfo = CTypeInfo()
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TypeInfo.BaseType = t.CChar()
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TypeInfo.PtrCount = 1
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IsPtr = True
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# FakeDuck: 为 str 变量创建影子结构体 a__meta__ (栈上, per-instance)
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# a 保持为 char* 用于 printf; a__meta__ 存储 __data__ 和 __mbuddy__ 字段
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# 仅对 str 类型创建，bytes 和 t.CChar|t.CPtr 不创建
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if '_str' in Gen.structs and isinstance(Node.annotation, ast.Name) and Node.annotation.id == 'str':
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_meta_name: str = f"{VarName}__meta__"
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_meta_var: ir.AllocaInstr = Gen._allocaEntry(Gen.structs['_str'], name=_meta_name)
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Gen.variables[_meta_name] = _meta_var
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# 标记指针到 str/bytes 的变量 (BinOp 注解如 str | t.CPtr)
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# elem_ptr[0] 应加载/存储 8 字节 (指针), 而非 1 字节 (字符)
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if isinstance(Node.annotation, ast.BinOp) and isinstance(Node.annotation.op, ast.BitOr):
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Gen.var_ptr_element[VarName] = True
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parse_result = ParseListAnnotation(Node.annotation)
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if parse_result:
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elem_type_node: ast.expr = parse_result.elem_type_node
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ElemType, ElemTypeInfo = self.ResolveListElementType(
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elem_type_node, Gen,
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handle_str=True, void_fallback_width=32,
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)
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if parse_result.is_pointer:
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# 单参数 list[type] → 指针
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# 但如果有列表字面量初始化值 [a, b, c]，则按数组 list[type, N] 处理
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if not (Node.value and isinstance(Node.value, ast.List)):
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VarType: ir.Type = ir.PointerType(ElemType)
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var: ir.AllocaInstr = Gen._allocaEntry(VarType, name=VarName)
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Gen.variables[VarName] = var
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Gen._record_var_signedness(VarName, False)
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if self.Trans.VarScopes:
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self.Trans.VarScopes[-1][VarName] = ElemTypeInfo
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return
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# 有列表字面量值，继续走数组路径（count_node=None 时从列表长度推断）
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count_node: ast.expr | None = parse_result.count_node
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ArrayCount: int = self.ParseArrayCount(count_node, Gen, Node.value, mode='local')
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VarType = ir.ArrayType(ElemType, ArrayCount)
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var = Gen._allocaEntry(VarType, name=VarName)
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Gen.variables[VarName] = var
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Gen._record_var_signedness(VarName, False)
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if Node.value and isinstance(Node.value, ast.List):
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InitConstants: list[ir.Constant] | None = self.Trans._BuildArrayInitConstants(Node.value, ElemType, elem_type_node, ArrayCount, Gen, byte_order=ElemTypeInfo.ByteOrder if ElemTypeInfo else '')
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if InitConstants:
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try:
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InitVal: ir.Constant = ir.Constant(VarType, InitConstants)
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Gen.builder.store(InitVal, var)
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except Exception as _e:
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if _config_mode == "strict":
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self.Trans.LogWarning(f"异常被忽略: {_e}")
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elif Node.value and isinstance(Node.value, ast.Constant) and isinstance(Node.value.value, str):
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str_val: str = Node.value.value + '\x00'
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str_bytes: bytearray = bytearray(str_val, 'utf-8')
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if isinstance(VarType, ir.ArrayType) and len(str_bytes) < VarType.count:
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str_bytes.extend(b'\x00' * (VarType.count - len(str_bytes)))
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try:
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InitVal: ir.Constant = ir.Constant(VarType, str_bytes[:VarType.count] if isinstance(VarType, ir.ArrayType) else str_bytes)
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Gen.builder.store(InitVal, var)
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except Exception as _e:
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if _config_mode == "strict":
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self.Trans.LogWarning(f"异常被忽略: {_e}")
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if self.Trans.VarScopes:
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self.Trans.VarScopes[-1][VarName] = ElemTypeInfo
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# 记录数组元素字节序
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if ElemTypeInfo and ElemTypeInfo.ByteOrder == 'big' and isinstance(ElemType, ir.IntType) and ElemType.width in (16, 32, 64):
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Gen.local_var_byteorders[VarName] = 'big'
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return
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if TypeInfo.IsVoid and isinstance(Node.annotation, ast.BinOp):
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found: str | None = FindStructNameInAnnotation(Node.annotation, Gen.structs)
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if found:
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TypeInfo = CTypeInfo()
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TypeInfo.BaseType = t.CStruct(name=found)
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TypeInfo.PtrCount = 1
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IsPtr = True
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elif isinstance(Node.annotation.left, ast.Attribute):
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AttrTypeInfo: CTypeInfo | None = self.Trans.TypeMergeHandler.GetCTypeInfo(Node.annotation.left)
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if AttrTypeInfo and AttrTypeInfo.BaseType:
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TypeInfo = AttrTypeInfo
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TypeInfo.PtrCount = max(TypeInfo.PtrCount, 1)
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IsPtr = True
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VarType: ir.Type = Gen._ctype_to_llvm(TypeInfo)
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if not IsPtr and TypeInfo.IsStruct and TypeInfo.Name:
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stripped: str = TypeInfo.Name
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if stripped in Gen.class_vtable and stripped in Gen.structs:
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VarType = ir.PointerType(Gen.structs[stripped])
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IsPtr = True
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if isinstance(VarType, ir.IdentifiedStructType):
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struct_name: str = getattr(VarType, 'name', '')
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if struct_name and Gen.class_vtable:
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for cls_name in Gen.class_vtable:
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if struct_name.endswith(f'.{cls_name}') or struct_name == cls_name:
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VarType = ir.PointerType(VarType)
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IsPtr = True
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break
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if isinstance(VarType, ir.VoidType):
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VarType = ir.IntType(32)
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IsUnsigned: bool = TypeInfo.IsUInt
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if VarName in Gen._reg_values:
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OldVal: ir.Value = Gen._reg_values[VarName]
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if isinstance(OldVal.type, ir.PointerType):
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var: ir.AllocaInstr = Gen._allocaEntry(OldVal.type, name=VarName)
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Gen._store(OldVal, var)
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Gen.variables[VarName] = var
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del Gen._reg_values[VarName]
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if Node.value:
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InitValue: ir.Value | None = self.HandleExprLlvm(Node.value, VarType=VarType)
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if InitValue:
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self._StoreOrStrCopy(VarName, var, InitValue)
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Gen._record_var_signedness(VarName, IsUnsigned)
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return
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del Gen._reg_values[VarName]
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InitValue: ir.Value | None = None
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if Node.value:
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InitValue = self.HandleExprLlvm(Node.value, VarType=VarType)
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if VarName in Gen._reg_values:
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del Gen._reg_values[VarName]
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if VarName in Gen.variables and Gen.variables[VarName] is not None:
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if InitValue and isinstance(InitValue.type, ir.PointerType):
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pointee: ir.Type = InitValue.type.pointee
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if isinstance(pointee, ir.IdentifiedStructType):
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struct_name: str = getattr(pointee, 'name', '')
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is_vtable_class: bool = False
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for cls_name in Gen.class_vtable:
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if struct_name.endswith(f'.{cls_name}') or struct_name == cls_name:
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is_vtable_class = True
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break
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if is_vtable_class:
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var: ir.AllocaInstr = Gen._allocaEntry(InitValue.type, name=VarName)
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Gen._store(InitValue, var)
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Gen.variables[VarName] = var
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if isinstance(Node.annotation, ast.Name) and Node.annotation.id in Gen.structs:
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Gen.var_struct_class[VarName] = Node.annotation.id
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Gen.global_struct_class[VarName] = Node.annotation.id
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Gen._record_var_signedness(VarName, IsUnsigned)
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return
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if InitValue:
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try:
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VarPtr: ir.Value = Gen.variables[VarName]
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if isinstance(VarPtr.type, ir.PointerType):
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TargetType: ir.Type = VarPtr.type.pointee
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if InitValue.type != TargetType:
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if isinstance(InitValue.type, ir.IntType) and isinstance(TargetType, ir.IntType):
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if TargetType.width > InitValue.type.width:
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InitValue = Gen.builder.zext(InitValue, TargetType, name=f"zext_{VarName}")
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elif TargetType.width < InitValue.type.width:
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InitValue = Gen.builder.trunc(InitValue, TargetType, name=f"trunc_{VarName}")
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elif isinstance(InitValue.type, ir.PointerType) and isinstance(TargetType, ir.PointerType):
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InitValue = Gen.builder.bitcast(InitValue, TargetType, name=f"cast_{VarName}")
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Gen._store(InitValue, VarPtr)
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except Exception as _e:
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if _config_mode == "strict":
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self.Trans.LogWarning(f"异常被忽略: {_e}")
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Gen._record_var_signedness(VarName, IsUnsigned)
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return
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if VarName in Gen.global_vars:
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if VarName in Gen.module.globals:
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GVar: ir.GlobalVariable = Gen.module.globals[VarName]
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if InitValue:
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Gen._store(InitValue, GVar)
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Gen.variables[VarName] = GVar
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Gen._record_var_signedness(VarName, IsUnsigned)
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return
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var: ir.AllocaInstr = Gen._allocaEntry(VarType, name=VarName)
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if InitValue and isinstance(InitValue.type, ir.PointerType):
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pointee: ir.Type = InitValue.type.pointee
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if isinstance(pointee, ir.IdentifiedStructType):
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struct_name: str = getattr(pointee, 'name', '')
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is_vtable_class: bool = False
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for cls_name in Gen.class_vtable:
|
||
if struct_name.endswith(f'.{cls_name}') or struct_name == cls_name:
|
||
is_vtable_class = True
|
||
break
|
||
if is_vtable_class and not isinstance(VarType, ir.PointerType):
|
||
var = Gen._allocaEntry(InitValue.type, name=VarName)
|
||
VarType = InitValue.type
|
||
IsPtr = True
|
||
Gen._store(InitValue, var)
|
||
Gen.variables[VarName] = var
|
||
if isinstance(Node.annotation, ast.Name) and Node.annotation.id in Gen.structs:
|
||
Gen.var_struct_class[VarName] = Node.annotation.id
|
||
Gen.global_struct_class[VarName] = Node.annotation.id
|
||
Gen._record_var_signedness(VarName, IsUnsigned)
|
||
return
|
||
for CN, ST in Gen.structs.items():
|
||
if pointee is ST or pointee == ST:
|
||
if CN != Gen.var_struct_class.get(VarName):
|
||
Gen.var_struct_class[VarName] = CN
|
||
Gen.global_struct_class[VarName] = CN
|
||
if isinstance(VarType, ir.PointerType) and VarType.pointee is not ST and VarType.pointee != ST:
|
||
var = Gen._allocaEntry(ir.PointerType(pointee), name=VarName)
|
||
VarType = ir.PointerType(pointee)
|
||
break
|
||
if InitValue:
|
||
try:
|
||
if InitValue.type != VarType:
|
||
if isinstance(InitValue.type, ir.IntType) and isinstance(VarType, ir.IntType):
|
||
if VarType.width > InitValue.type.width:
|
||
InitValue = Gen.builder.zext(InitValue, VarType, name=f"zext_{VarName}")
|
||
elif VarType.width < InitValue.type.width:
|
||
InitValue = Gen.builder.trunc(InitValue, VarType, name=f"trunc_{VarName}")
|
||
elif isinstance(InitValue.type, ir.PointerType) and isinstance(VarType, ir.PointerType):
|
||
InitValue = Gen.builder.bitcast(InitValue, VarType, name=f"cast_{VarName}")
|
||
elif isinstance(VarType, ir.PointerType) and isinstance(InitValue.type, ir.IntType):
|
||
InitValue = Gen.builder.inttoptr(InitValue, VarType, name=f"int2ptr_{VarName}")
|
||
elif isinstance(VarType, ir.IntType) and isinstance(InitValue.type, ir.PointerType):
|
||
InitValue = Gen.builder.ptrtoint(InitValue, VarType, name=f"ptr2int_{VarName}")
|
||
# 大端局部变量：存储时 bswap
|
||
InitValue = Gen._apply_bswap_if_big(InitValue, TypeInfo.ByteOrder, f"bswap_store_{VarName}")
|
||
Gen._store(InitValue, var)
|
||
except Exception as _e:
|
||
if _config_mode == "strict":
|
||
self.Trans.LogWarning(f"异常被忽略: {_e}")
|
||
Gen.variables[VarName] = var
|
||
Gen._record_var_signedness(VarName, IsUnsigned)
|
||
# FakeDuck: 初始化影子结构体 a__meta__ 的字段
|
||
_meta_name_check: str = f"{VarName}__meta__"
|
||
if _meta_name_check in Gen.variables and '_str' in Gen.structs:
|
||
_meta_var_init: ir.Value = Gen.variables[_meta_name_check]
|
||
_str_st: ir.Type = Gen.structs['_str']
|
||
# __data__ 字段 = 字符串指针
|
||
_data_off = Gen._get_member_offset('__data__', '_str')
|
||
if _data_off is not None and InitValue:
|
||
_data_ptr = Gen.builder.gep(_meta_var_init, [ir.Constant(ir.IntType(32), 0), ir.Constant(ir.IntType(32), _data_off)], name=f"{VarName}_meta_data")
|
||
Gen._store(InitValue, _data_ptr)
|
||
# __mbuddy__ 字段 = NULL
|
||
_mpool_off = Gen._get_member_offset('__mbuddy__', '_str')
|
||
if _mpool_off is not None:
|
||
_mpool_ptr = Gen.builder.gep(_meta_var_init, [ir.Constant(ir.IntType(32), 0), ir.Constant(ir.IntType(32), _mpool_off)], name=f"{VarName}_meta_mbuddy")
|
||
Gen._store(ir.Constant(ir.PointerType(ir.IntType(8)), None), _mpool_ptr)
|
||
# FakeDuck: 从 with 上下文自动注入 requires 字段（如 __mbuddy__）
|
||
self.Trans.ExprCallHandle._InjectRequiresFields(_meta_var_init, '_str', Gen)
|
||
# 记录局部变量字节序
|
||
if TypeInfo.ByteOrder == 'big':
|
||
if isinstance(VarType, ir.IntType) and VarType.width in (16, 32, 64):
|
||
Gen.local_var_byteorders[VarName] = 'big'
|
||
elif isinstance(VarType, ir.ArrayType) and isinstance(VarType.element, ir.IntType) and VarType.element.width in (16, 32, 64):
|
||
Gen.local_var_byteorders[VarName] = 'big'
|
||
|
||
if isinstance(Node.annotation, ast.BinOp) and isinstance(Node.annotation.op, ast.BitOr):
|
||
found_struct: str | None = FindStructNameInAnnotation(Node.annotation, Gen.structs)
|
||
if found_struct:
|
||
Gen.var_struct_class[VarName] = found_struct
|
||
Gen.global_struct_class[VarName] = found_struct
|
||
|
||
if InitValue and isinstance(InitValue.type, ir.PointerType):
|
||
pointee: ir.Type = InitValue.type.pointee
|
||
if isinstance(pointee, (ir.LiteralStructType, ir.IdentifiedStructType)):
|
||
for CN, ST in Gen.structs.items():
|
||
if pointee == ST:
|
||
Gen._var_to_heap_ptr[VarName] = InitValue
|
||
if CN != Gen.var_struct_class.get(VarName):
|
||
Gen.var_struct_class[VarName] = CN
|
||
Gen.global_struct_class[VarName] = CN
|
||
break
|
||
|
||
if self.Trans.VarScopes:
|
||
if TypeInfo:
|
||
self.Trans.VarScopes[-1][VarName] = TypeInfo
|
||
else:
|
||
DefaultInfo: CTypeInfo = CTypeInfo()
|
||
DefaultInfo.BaseType = t.CInt
|
||
self.Trans.VarScopes[-1][VarName] = DefaultInfo
|
||
elif isinstance(Node.target, ast.Attribute):
|
||
if isinstance(Node.target.value, ast.Name) and Node.target.value.id == 'self':
|
||
if Node.value:
|
||
AttrVarType: Any = None
|
||
try:
|
||
if IsListAnnotation(Node.annotation):
|
||
slice_node: ast.AST = Node.annotation.slice
|
||
if isinstance(slice_node, ast.Name):
|
||
AttrVarType = f't.CArray[{slice_node.id}]'
|
||
elif isinstance(slice_node, ast.Tuple):
|
||
elts: str = ', '.join(getattr(e, 'id', str(e)) for e in slice_node.elts)
|
||
AttrVarType = f't.CArray[{elts}]'
|
||
elif isinstance(slice_node, ast.Attribute):
|
||
AttrVarType = f't.CArray[{ast.dump(slice_node)}]'
|
||
if AttrVarType is None:
|
||
AttrTypeInfo: CTypeInfo | None = CTypeInfo.FromNode(Node.annotation, self.Trans.SymbolTable)
|
||
if AttrTypeInfo:
|
||
AttrVarType = Gen._ctype_to_llvm(AttrTypeInfo)
|
||
except Exception as _e:
|
||
if _config_mode == "strict":
|
||
raise
|
||
_vlog().warning(f"解析类型失败: {_e}", "Exception")
|
||
Value: ir.Value | None = self.HandleExprLlvm(Node.value, VarType=AttrVarType)
|
||
if Value:
|
||
self._HandleAttributeStoreLlvm(Node.target, Value)
|
||
AttrName: str = Node.target.attr
|
||
len_name: str = f'{AttrName}__len'
|
||
ClassName: str | None = self._CurrentCpythonObjectClass
|
||
if not ClassName:
|
||
self_var: ir.Value | None = Gen.variables.get('self')
|
||
if self_var:
|
||
var_type: ir.Type = self_var.type
|
||
if isinstance(var_type, ir.PointerType) and isinstance(var_type.pointee, ir.PointerType):
|
||
var_type = var_type.pointee
|
||
if isinstance(var_type, ir.PointerType):
|
||
pointee: ir.Type = var_type.pointee
|
||
for cn, st in Gen.structs.items():
|
||
if st == pointee:
|
||
ClassName = cn
|
||
break
|
||
if ClassName and ClassName in Gen.class_members:
|
||
for m_name, m_type in Gen.class_members[ClassName]:
|
||
if m_name == len_name:
|
||
list_len: ir.Constant | None = None
|
||
if isinstance(Node.value, ast.List):
|
||
list_len = ir.Constant(ir.IntType(64), len(Node.value.elts))
|
||
if list_len is not None:
|
||
SelfVar: ir.Value | None = Gen._get_var_ptr('self')
|
||
if SelfVar:
|
||
SelfPtr: ir.Value = Gen._load(SelfVar, name="self")
|
||
offset: int = Gen._get_member_offset(len_name, ClassName)
|
||
LenPtr: ir.Value = Gen.builder.gep(SelfPtr, [ir.Constant(ir.IntType(32), 0), ir.Constant(ir.IntType(32), offset)], name=len_name)
|
||
Gen._store(list_len, LenPtr)
|
||
break |