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TransPyC/lib/core/Handles/HandlesExpr.py

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from __future__ import annotations
from typing import TYPE_CHECKING, Any
if TYPE_CHECKING:
from lib.core.translator import Translator
from lib.core.LlvmCodeGenerator import LlvmCodeGenerator
import ast
import re
import llvmlite.ir as ir
from lib.core.Handles.HandlesBase import BaseHandle
from lib.constants.config import mode as _config_mode
from lib.includes.t import CTypeRegistry as _CR
class ExprHandle(BaseHandle):
# list 元素类型 → (字节大小, LLVM 元素类型) 映射表
# 用于 _HandleListLlvm 中 alloc_size / byte_offset / elem_ptr 类型统一查表,
# 消除原代码三处重复的 if-elif 链。
_ELEM_TYPE_INFO: dict[str, tuple[int, ir.Type]] = {
'i8': (1, ir.IntType(8)),
'i16': (2, ir.IntType(16)),
'i32': (4, ir.IntType(32)),
'float': (4, ir.FloatType()),
'double': (8, ir.DoubleType()),
}
def __init__(self, translator: "Translator") -> None:
super().__init__(translator)
def GetOpSymbol(self, Op: ast.cmpop | ast.operator | ast.unaryoperator) -> str | None:
return self.Trans.ExprUtils.GetOpSymbol(Op)
def GetUnaryOpSymbol(self, Op: ast.unaryoperator) -> str | None:
return self.Trans.ExprUtils.GetUnaryOpSymbol(Op)
def GetComparatorSymbol(self, Op: ast.cmpop) -> str | None:
return self.Trans.ExprUtils.GetComparatorSymbol(Op)
def _get_var_class(self, node: ast.AST, Gen: LlvmCodeGenerator) -> str | None:
return self.Trans.ExprUtils._get_var_class(node, Gen)
def _try_operator_overLoad(self, ClassName: str, op_name: str, obj_val: ir.Value, Gen: LlvmCodeGenerator, other_val: ir.Value | None = None) -> ir.Value | None:
return self.Trans.ExprUtils._try_operator_overLoad(ClassName, op_name, obj_val, Gen, other_val)
def _get_llvm_member_offset(self, field_name: str, ClassName: str, Gen: LlvmCodeGenerator) -> int | None:
return self.Trans.ExprAttrHandle._get_llvm_member_offset(field_name, ClassName, Gen)
def HandleExprLlvm(self, Node: ast.AST, VarType: ir.Type | str | None = None) -> ir.Value | None:
Gen: LlvmCodeGenerator = self.Trans.LlvmGen
if not Gen or not Gen.builder:
return None
if isinstance(Node, ast.Constant):
return self._HandleConstantLlvm(Node, VarType)
elif isinstance(Node, ast.Name):
return self._HandleNameLlvm(Node, VarType)
elif isinstance(Node, ast.BinOp):
return self.Trans.ExprOpsHandle._HandleBinOpLlvm(Node, VarType)
elif isinstance(Node, ast.BoolOp):
return self.Trans.ExprOpsHandle._HandleBoolOpLlvm(Node)
elif isinstance(Node, ast.UnaryOp):
return self.Trans.ExprOpsHandle._HandleUnaryOpLlvm(Node)
elif isinstance(Node, ast.Call):
return self.Trans.ExprCallHandle._HandleCallLlvm(Node)
elif isinstance(Node, ast.Compare):
return self.Trans.ExprOpsHandle._HandleCompareLlvm(Node)
elif isinstance(Node, ast.Attribute):
return self.Trans.ExprAttrHandle._HandleAttributeLlvm(Node)
elif isinstance(Node, ast.Subscript):
return self.Trans.ExprAttrHandle._HandleSubscriptLlvm(Node)
elif isinstance(Node, ast.IfExp):
return self.Trans.ExprLambdaHandle._HandleIfExpLlvm(Node)
elif isinstance(Node, ast.NamedExpr):
return self.Trans.ExprLambdaHandle._HandleNamedExprLlvm(Node)
elif isinstance(Node, ast.JoinedStr):
return self.Trans.ExprFormatHandle._HandleJoinedStrLlvm(Node)
elif isinstance(Node, ast.Lambda):
return self.Trans.ExprLambdaHandle._HandleLambdaLlvm(Node)
elif isinstance(Node, ast.List):
return self._HandleListLlvm(Node, VarType)
return ir.Constant(ir.IntType(32), 0)
def _HandleListLlvm(self, Node: ast.List, VarType: ir.Type | str | None = None) -> ir.Value | None:
Gen: LlvmCodeGenerator = self.Trans.LlvmGen
elements: list[ast.expr] = Node.elts
if not elements:
return ir.Constant(ir.IntType(8).as_pointer(), None)
array_len: int = len(elements)
elem_type: str = 'i8'
if VarType and isinstance(VarType, str) and 'list[' in VarType:
match: re.Match | None = re.search(r'list\[([^,\]]+)(?:,\s*(\d+))?\]', VarType)
if match:
type_str: str = match.group(1).strip()
if match.group(2):
array_len = int(match.group(2))
if 'CChar' in type_str or 'char' in type_str.lower():
elem_type = 'i8'
elif 'CFloat' in type_str or type_str.lower() == 'float':
elem_type = 'float'
elif 'CDouble' in type_str or type_str.lower() == 'double':
elem_type = 'double'
elif 'CInt' in type_str or ('int' in type_str.lower() and 'unsigned' not in type_str.lower()):
elem_type = 'i32'
elif 'CUnsignedInt' in type_str or 'unsigned' in type_str.lower():
elem_type = 'i32'
elif 'CUnsignedChar' in type_str or 'unsigned char' in type_str.lower():
elem_type = 'i8'
elif 'CShort' in type_str or 'short' in type_str.lower():
elem_type = 'i16'
elif 'CUnsignedShort' in type_str:
elem_type = 'i16'
elif elements and all(isinstance(e, (ast.Constant,)) and isinstance(getattr(e, 'value', None), float) for e in elements):
elem_type = 'float'
alloc_size: int = array_len
elem_info: tuple[int, ir.Type] = self._ELEM_TYPE_INFO.get(elem_type, (1, ir.IntType(8)))
elem_size: int = elem_info[0]
elem_llvm_type: ir.Type = elem_info[1]
alloc_size *= elem_size
malloc_fn: Any = None
malloc_arg_type: ir.IntType = ir.IntType(64)
for fn in Gen.module.global_values:
if fn.name == 'malloc':
malloc_fn = fn
func_ftype: Any = getattr(fn, 'ftype', None)
if func_ftype and getattr(func_ftype, 'args', None):
if func_ftype.args:
malloc_arg_type = fn.ftype.args[0]
break
if not malloc_fn:
try:
malloc_fn_type: ir.FunctionType = ir.FunctionType(ir.PointerType(ir.IntType(8)), [ir.IntType(64)])
malloc_fn = ir.Function(Gen.module, malloc_fn_type, name='malloc')
Gen.functions['malloc'] = malloc_fn
except Exception: # 回退malloc 函数创建失败时返回 null
return ir.Constant(ir.IntType(8).as_pointer(), None)
alloc_ptr: Any = Gen.builder.call(malloc_fn, [ir.Constant(malloc_arg_type, alloc_size)])
cast_ptr: Any = Gen.builder.bitcast(alloc_ptr, ir.PointerType(ir.IntType(8)))
for i, elem in enumerate(elements):
if i >= array_len:
break
elem_val: Any = self.HandleExprLlvm(elem, VarType=elem_type)
if elem_val is None:
continue
byte_offset: int = i
if elem_type == 'i32':
byte_offset = i * 4
elif elem_type == 'i16':
byte_offset = i * 2
elif elem_type == 'float':
byte_offset = i * 4
elif elem_type == 'double':
byte_offset = i * 8
ptr_as_int: Any = Gen.builder.ptrtoint(cast_ptr, ir.IntType(64))
new_ptr_val: Any = Gen.builder.add(ptr_as_int, ir.Constant(ir.IntType(64), byte_offset))
if elem_type == 'i32':
elem_ptr: Any = Gen.builder.inttoptr(new_ptr_val, ir.PointerType(ir.IntType(32)))
elif elem_type == 'i16':
elem_ptr = Gen.builder.inttoptr(new_ptr_val, ir.PointerType(ir.IntType(16)))
elif elem_type == 'float':
elem_ptr = Gen.builder.inttoptr(new_ptr_val, ir.PointerType(ir.FloatType()))
elif elem_type == 'double':
elem_ptr = Gen.builder.inttoptr(new_ptr_val, ir.PointerType(ir.DoubleType()))
else:
elem_ptr = Gen.builder.inttoptr(new_ptr_val, ir.PointerType(ir.IntType(8)))
if elem_type == 'i8':
if isinstance(elem_val.type, ir.IntType) and elem_val.type.width > 8:
elem_val = Gen.builder.trunc(elem_val, ir.IntType(8), name=f"trunc_elem_{i}")
elif isinstance(elem_val.type, ir.PointerType):
elem_val = Gen.builder.ptrtoint(elem_val, ir.IntType(64), name=f"ptrtoint_elem_{i}")
elem_val = Gen.builder.trunc(elem_val, ir.IntType(8), name=f"trunc_elem_{i}")
elif elem_type == 'i32':
if isinstance(elem_val.type, ir.IntType):
if elem_val.type.width < 32:
elem_val = Gen.builder.zext(elem_val, ir.IntType(32), name=f"zext_elem_{i}")
elif elem_val.type.width > 32:
elem_val = Gen.builder.trunc(elem_val, ir.IntType(32), name=f"trunc_elem_{i}")
elif isinstance(elem_val.type, ir.PointerType):
elem_val = Gen.builder.ptrtoint(elem_val, ir.IntType(32), name=f"ptrtoint_elem_{i}")
elif elem_type == 'i16':
if isinstance(elem_val.type, ir.IntType):
if elem_val.type.width < 16:
elem_val = Gen.builder.zext(elem_val, ir.IntType(16), name=f"zext_elem_{i}")
elif elem_val.type.width > 16:
elem_val = Gen.builder.trunc(elem_val, ir.IntType(16), name=f"trunc_elem_{i}")
elif elem_type == 'float':
if isinstance(elem_val.type, ir.DoubleType):
elem_val = Gen.builder.fptrunc(elem_val, ir.FloatType(), name=f"fptrunc_elem_{i}")
elif isinstance(elem_val.type, ir.IntType):
elem_val = Gen.builder.sitofp(elem_val, ir.FloatType(), name=f"sitofp_elem_{i}")
elif elem_type == 'double':
if isinstance(elem_val.type, ir.FloatType):
elem_val = Gen.builder.fpext(elem_val, ir.DoubleType(), name=f"fpext_elem_{i}")
elif isinstance(elem_val.type, ir.IntType):
elem_val = Gen.builder.sitofp(elem_val, ir.DoubleType(), name=f"sitofp_elem_{i}")
Gen.builder.store(elem_val, elem_ptr)
if elem_type in ('float', 'double'):
return Gen.builder.bitcast(alloc_ptr, ir.PointerType(elem_llvm_type), name=f"list_{elem_type}_ptr")
return cast_ptr
def _HandleConstantLlvm(self, Node: ast.Constant, VarType: ir.Type | str | None = None) -> ir.Value:
Gen: LlvmCodeGenerator = self.Trans.LlvmGen
Value: Any = Node.value
if Value is None:
if VarType is not None and isinstance(VarType, ir.PointerType):
return ir.Constant(VarType, None)
return ir.Constant(ir.IntType(8).as_pointer(), None)
elif isinstance(Value, bool):
return ir.Constant(ir.IntType(32), 1 if Value else 0)
elif isinstance(Value, int):
if VarType is not None:
if isinstance(VarType, ir.IntType):
return ir.Constant(VarType, Value & ((1 << VarType.width) - 1))
if isinstance(VarType, ir.PointerType):
return ir.Constant(ir.IntType(64), Value)
if isinstance(VarType, (ir.FloatType, ir.DoubleType)):
return ir.Constant(VarType, float(Value))
if isinstance(VarType, str) and '*' in VarType:
return ir.Constant(ir.IntType(64), Value)
if isinstance(VarType, str):
resolved: Any = _CR.ResolveName(VarType) or _CR.LLVMToCType(VarType)
if resolved:
ctype_cls: type = resolved[0] if isinstance(resolved, tuple) else resolved
inst: Any = ctype_cls()
size: int = getattr(inst, 'Size', 32)
is_unsigned: bool = getattr(inst, 'IsSigned', True) is False
mask: int = (1 << size) - 1
return ir.Constant(ir.IntType(size), Value & mask)
llvm_match: re.Match | None = re.match(r'^i(\d+)$', VarType)
if llvm_match:
width: int = int(llvm_match.group(1))
return ir.Constant(ir.IntType(width), Value & ((1 << width) - 1))
if Value < 0 or Value > 0xFFFFFFFF:
return ir.Constant(ir.IntType(64), Value)
return ir.Constant(ir.IntType(32), Value & 0xFFFFFFFF)
elif isinstance(Value, float):
if VarType and isinstance(VarType, ir.FloatType):
return ir.Constant(VarType, Value)
elif VarType and isinstance(VarType, ir.DoubleType):
return ir.Constant(VarType, Value)
return ir.Constant(ir.DoubleType(), Value)
elif isinstance(Value, str):
is_wide: bool = getattr(Node, 'kind', None) == 'u'
# 引号类型推断:单引号单字符 → i8双引号/多字符/三重 → i8*,空 → 0(None)
quote_char: str | None = None
is_triple: bool = False
if not is_wide:
col_offset: int = getattr(Node, 'col_offset', 0)
node_lineno: int = getattr(Node, 'lineno', 0)
# AST 的 lineno 可能不准确(常量节点可能指向下一行),
# 因此在 lineno 和 lineno-1 两行中查找引号
for try_lineno in (node_lineno, node_lineno - 1):
source_line: str | None = Gen._get_source_line(try_lineno)
if source_line and col_offset < len(source_line):
ch: str = source_line[col_offset]
if ch in ("'", '"'):
quote_char = ch
if col_offset + 2 < len(source_line) and source_line[col_offset:col_offset + 3] in ("'''", '"""'):
is_triple = True
break
# 空字符串 → 创建指向 \0 的全局变量 (而非 null, 避免 strcmp 解引用空指针崩溃)
# 走与非空字符串相同的路径, 由下方 else 分支处理
# 单引号单字符(非三重)→ i8
is_char_literal: bool = (not is_triple) and (quote_char == "'") and (len(Value) == 1) and not is_wide
if is_char_literal:
if VarType is not None and isinstance(VarType, ir.PointerType):
pass # 类型不匹配:目标是 ptr 但值是 char走 string 路径
elif isinstance(VarType, ir.IntType):
return ir.Constant(VarType, ord(Value[0]))
elif isinstance(VarType, str):
resolved = _CR.ResolveName(VarType) or _CR.LLVMToCType(VarType)
if resolved:
ctype_cls = resolved[0] if isinstance(resolved, tuple) else resolved
inst = ctype_cls()
size = getattr(inst, 'Size', 32)
return ir.Constant(ir.IntType(size), ord(Value[0]))
llvm_match = re.match(r'^i(\d+)$', VarType)
if llvm_match:
return ir.Constant(ir.IntType(int(llvm_match.group(1))), ord(Value[0]))
elif VarType is not None:
return ir.Constant(ir.IntType(8), ord(Value[0]))
else:
# 无类型提示:单引号单字符默认为 i8
return ir.Constant(ir.IntType(8), ord(Value[0]))
if is_wide:
str_value: str = Value + '\x00'
wide_chars: list[int] = [ord(c) for c in str_value]
target_count: int = len(wide_chars)
str_type: ir.ArrayType = ir.ArrayType(ir.IntType(16), target_count)
gv_name: str = f"str_const_{Gen.string_const_counter}"
gv: ir.GlobalVariable = ir.GlobalVariable(Gen.module, str_type, name=gv_name)
gv.initializer = ir.Constant(str_type, wide_chars)
gv.linkage = 'internal'
Gen.string_const_counter += 1
ptr: Any = Gen.builder.gep(gv, [ir.Constant(ir.IntType(32), 0), ir.Constant(ir.IntType(32), 0)], name=f"{gv_name}_cast")
return ptr
else:
str_value = Value + '\x00'
str_bytes: bytes = str_value.encode('utf-8')
target_count = len(str_bytes)
if isinstance(VarType, ir.ArrayType) and isinstance(VarType.element, ir.IntType) and VarType.element.width == 8:
target_count = VarType.count
if len(str_bytes) < target_count:
str_bytes = str_bytes + b'\x00' * (target_count - len(str_bytes))
else:
str_bytes = str_bytes[:target_count]
str_type = ir.ArrayType(ir.IntType(8), target_count)
gv_name = f"str_const_{Gen.string_const_counter}"
gv = ir.GlobalVariable(Gen.module, str_type, name=gv_name)
gv.initializer = ir.Constant(str_type, bytearray(str_bytes))
gv.linkage = 'internal'
Gen.string_const_counter += 1
ptr = Gen.builder.gep(gv, [ir.Constant(ir.IntType(32), 0), ir.Constant(ir.IntType(32), 0)], name=f"{gv_name}_cast")
return ptr
return ir.Constant(ir.IntType(32), 0)
def _HandleNameLlvm(self, Node: ast.Name, VarType: ir.Type | str | None = None) -> ir.Value:
Gen: LlvmCodeGenerator = self.Trans.LlvmGen
VarName: str = Node.id
# [CD] 诊断仅对关键常量输出FOREGROUND_*, BACKGROUND_*, STD_*, *HANDLE*
import sys as _sys
_is_cd_key: bool = isinstance(VarName, str) and (VarName.startswith('FOREGROUND_') or VarName.startswith('BACKGROUND_') or 'STD_' in VarName or 'HANDLE' in VarName)
define_constants: dict[str, Any] = getattr(Gen, '_define_constants', {})
if VarName in define_constants:
val: Any = define_constants[VarName]
if _is_cd_key:
print(f"[CD] lookup: '{VarName}' found in _define_constants val={val}", file=_sys.stderr, flush=True)
if isinstance(val, int):
# Use VarType hint if available to avoid unnecessary type mismatch
if VarType is not None and isinstance(VarType, ir.IntType):
return ir.Constant(VarType, val & ((1 << VarType.width) - 1))
if VarName in Gen.var_signedness and Gen.var_signedness[VarName]:
if val < -(1 << 31) or val > 0xFFFFFFFF:
return ir.Constant(ir.IntType(64), val & 0xFFFFFFFFFFFFFFFF)
return ir.Constant(ir.IntType(32), val & 0xFFFFFFFF)
if val < -(1 << 31) or val > 0xFFFFFFFF:
return ir.Constant(ir.IntType(64), val)
return ir.Constant(ir.IntType(32), val & 0xFFFFFFFF)
elif isinstance(val, float):
return ir.Constant(ir.DoubleType(), val)
elif isinstance(val, str):
return Gen._create_string_global(val)
# 如果 _define_constants 中没有,尝试从符号表查找
if VarName not in define_constants:
try:
sym_info: Any = self.Trans.SymbolTable.lookup(VarName)
if sym_info and sym_info.IsDefine and sym_info.DefineValue is not None:
val = sym_info.DefineValue
if _is_cd_key:
print(f"[CD] lookup: '{VarName}' found in SymbolTable val={val}", file=_sys.stderr, flush=True)
if isinstance(val, int):
# Use VarType hint if available
if VarType is not None and isinstance(VarType, ir.IntType):
return ir.Constant(VarType, val & ((1 << VarType.width) - 1))
if val < -(1 << 31) or val > 0xFFFFFFFF:
return ir.Constant(ir.IntType(64), val)
return ir.Constant(ir.IntType(32), val & 0xFFFFFFFF)
elif isinstance(val, float):
return ir.Constant(ir.DoubleType(), val)
elif isinstance(val, str):
return Gen._create_string_global(val)
elif _is_cd_key:
print(f"[CD] lookup: '{VarName}' NOT in SymbolTable", file=_sys.stderr, flush=True)
except Exception as _e:
if _config_mode == "strict":
self.Trans.LogWarning(f"异常被忽略: {_e}")
# 治本修复:如果符号表也没有,回退查询 _all_define_constants
# _all_define_constants 由 Phase2Translator 从所有 .pyi 文件预提取,
# 包含跨模块导入的 CDefine 常量(如 FOREGROUND_GREEN、STD_OUTPUT_HANDLE
if VarName not in define_constants:
all_dc: dict[str, Any] = getattr(Gen, '_all_define_constants', None) or getattr(self.Trans, '_all_define_constants', None) or {}
if VarName in all_dc:
val: Any = all_dc[VarName]
if _is_cd_key:
print(f"[CD] lookup: '{VarName}' found in _all_define_constants val={val}", file=_sys.stderr, flush=True)
if isinstance(val, int):
if VarType is not None and isinstance(VarType, ir.IntType):
return ir.Constant(VarType, val & ((1 << VarType.width) - 1))
if val < -(1 << 31) or val > 0xFFFFFFFF:
return ir.Constant(ir.IntType(64), val & 0xFFFFFFFFFFFFFFFF)
return ir.Constant(ir.IntType(32), val & 0xFFFFFFFF)
elif isinstance(val, float):
return ir.Constant(ir.DoubleType(), val)
elif isinstance(val, str):
return Gen._create_string_global(val)
elif _is_cd_key:
print(f"[CD] lookup: '{VarName}' NOT found in ANY CDefine table", file=_sys.stderr, flush=True)
# 优先检查 variablesalloca因为变量可能已被 += 等操作迁移到 variables
if VarName in Gen.variables and Gen.variables[VarName] is not None:
VarPtr: Any = Gen.variables[VarName]
if isinstance(VarPtr, ir.GlobalVariable) and isinstance(VarPtr.type, ir.PointerType) and isinstance(VarPtr.type.pointee, (ir.IdentifiedStructType, ir.LiteralStructType, ir.ArrayType)):
if VarName in Gen.global_struct_class:
Gen.var_struct_class[VarName] = Gen.global_struct_class[VarName]
return VarPtr
if isinstance(VarPtr.type, ir.PointerType) and isinstance(VarPtr.type.pointee, (ir.IdentifiedStructType, ir.LiteralStructType, ir.ArrayType)):
if VarName in Gen.global_struct_class:
Gen.var_struct_class[VarName] = Gen.global_struct_class[VarName]
return VarPtr
# 防御性恢复:对于 double-pointer如 ndarray**pointee 是 PointerType
# 或其他非结构体类型,若 global_struct_class 已记录该变量的类名,
# 也恢复 var_struct_class。这确保方法调用能查找到正确的特化类
# (如 ndarray[double]),而非 fallback 到 opaque 基础类型。
if VarName in Gen.global_struct_class and VarName not in Gen.var_struct_class:
Gen.var_struct_class[VarName] = Gen.global_struct_class[VarName]
loaded: ir.Value = Gen._load(VarPtr, name=VarName)
# 大端局部变量:读取时 bswap 还原
loaded = Gen._apply_bswap_if_big(loaded, getattr(Gen, 'local_var_byteorders', {}).get(VarName, ""), f"bswap_load_{VarName}")
return loaded
if VarName in Gen._reg_values:
return Gen._reg_values[VarName]
if VarName in Gen._direct_values:
return Gen._direct_values[VarName]
if VarName in Gen.global_vars and VarName in Gen.module.globals:
GVar: Any = Gen.module.globals[VarName]
Gen.variables[VarName] = GVar
if isinstance(GVar, ir.Function):
return GVar
if isinstance(GVar.type, ir.PointerType) and isinstance(GVar.type.pointee, (ir.IdentifiedStructType, ir.LiteralStructType, ir.ArrayType)):
return GVar
return Gen._load(GVar, name=VarName)
if VarName in Gen.module.globals:
GVar = Gen.module.globals[VarName]
Gen.variables[VarName] = GVar
if isinstance(GVar, ir.Function):
return GVar
if VarName in Gen.global_struct_class:
Gen.var_struct_class[VarName] = Gen.global_struct_class[VarName]
if isinstance(GVar.type, ir.PointerType) and isinstance(GVar.type.pointee, (ir.IdentifiedStructType, ir.LiteralStructType, ir.ArrayType)):
return GVar
return Gen._load(GVar, name=VarName)
if VarName == 'self':
# 治本修复:方法名为 _get_var_ptr小写原 GetVarPtr 不存在会抛 AttributeError。
# 当 self 未注册到 variables 时(如 opaque struct 参数走了 else 分支),
# 通过 _get_var_ptr 兜底返回 None由调用方处理。
SelfPtr: ir.Value | None = Gen._get_var_ptr('self')
if SelfPtr is not None:
return SelfPtr
# 最终兜底:若 _get_var_ptr 返回 Noneself 既不在 _reg_values 也不在 variables
# 直接返回函数参数本身LLVM Argument。这避免了 AttributeError 导致的异常路径。
for arg in getattr(Gen.func, 'args', []):
if getattr(arg, 'name', None) == 'self':
return arg
return ir.Constant(ir.IntType(32), 0)
if Gen._has_function(VarName):
func: Any = Gen._get_function(VarName)
if func:
return Gen.builder.bitcast(func, ir.IntType(8).as_pointer(), name=f"funcptr_{VarName}")
if VarName in Gen.class_methods:
return ir.Constant(ir.IntType(8).as_pointer(), None)
if VarName == 'True' or VarName == 'False':
return ir.Constant(ir.IntType(32), 1 if VarName == 'True' else 0)
SymInfo: Any = self.Trans.SymbolTable.lookup(VarName)
if SymInfo:
if SymInfo.IsEnumMember and isinstance(SymInfo.value, int):
return ir.Constant(ir.IntType(32), SymInfo.value)
if SymInfo.IsFunction or SymInfo.IsFuncPtr:
MangledName: str = Gen._mangle_func_name(VarName)
if MangledName in Gen.module.globals:
g: Any = Gen.module.globals[MangledName]
if isinstance(g, ir.Function):
Gen.functions[VarName] = g
return Gen.builder.bitcast(g, ir.IntType(8).as_pointer(), name=f"funcptr_{VarName}")
for sha1 in Gen.ModuleSha1Map.values():
prefixed: str = f"{sha1}.{VarName}"
if prefixed in Gen.module.globals:
g = Gen.module.globals[prefixed]
if isinstance(g, ir.Function):
Gen.functions[VarName] = g
return Gen.builder.bitcast(g, ir.IntType(8).as_pointer(), name=f"funcptr_{VarName}")
t_c_imported: dict[str, tuple[str, str]] = getattr(self.Trans, '_t_c_imported_names', {})
if VarName in t_c_imported:
src_module: str
src_name: str
src_module, src_name = t_c_imported[VarName]
virtual_attr: ast.Attribute = ast.Attribute(
value=ast.Name(id=src_module, ctx=ast.Load()),
attr=src_name,
ctx=ast.Load()
)
ast.copy_location(virtual_attr, Node)
return self.Trans.ExprAttrHandle._HandleAttributeLlvm(virtual_attr)
return ir.Constant(ir.IntType(32), 0)