import dataclasses instead of dataclass

diff --git a/src/bigint_presentation_code/compiler_ir.py b/src/bigint_presentation_code/compiler_ir.py
index 2d1949219f04f4567c95d436d00b766e2511e1f7..9e4d13d96fc28f021a16860fcef5717910dd2296 100644 (file)
--- a/src/bigint_presentation_code/compiler_ir.py
+++ b/src/bigint_presentation_code/compiler_ir.py
@@ -1,5 +1,6 @@
 from contextlib import contextmanager
 import enum
+import dataclasses
 from abc import ABCMeta, abstractmethod
 from enum import Enum, unique
 from functools import lru_cache, total_ordering
@@ -9,7 +10,6 @@ from typing import (AbstractSet, Any, Callable, Generic, Iterable, Iterator,
 from weakref import WeakValueDictionary as _WeakVDict
 
 from cached_property import cached_property
-from dataclasses import dataclass
 from nmutil import plain_data  # type: ignore
 
 from bigint_presentation_code.type_util import (Literal, Self, assert_never,
@@ -210,7 +210,7 @@ class OpStage(Enum):
 assert OpStage.Early < OpStage.Late, "early must be less than late"
 
 
-@dataclass(frozen=True, unsafe_hash=True, repr=False)
+@dataclasses.dataclass(frozen=True, unsafe_hash=True, repr=False)
 @final
 class ProgramPoint(Interned):
     op_index: int
@@ -269,7 +269,7 @@ class ProgramPoint(Interned):
         return f"<ops[{self.op_index}]:{self.stage._name_}>"
 
 
-@dataclass(frozen=True, unsafe_hash=True, repr=False)
+@dataclasses.dataclass(frozen=True, unsafe_hash=True, repr=False)
 @final
 class ProgramRange(Sequence[ProgramPoint], Interned):
     start: ProgramPoint
@@ -321,7 +321,7 @@ class ProgramRange(Sequence[ProgramPoint], Interned):
         return f"<range:{start}..{stop}>"
 
 
-@dataclass(frozen=True, unsafe_hash=True, repr=False)
+@dataclasses.dataclass(frozen=True, unsafe_hash=True, repr=False)
 @final
 class SSAValSubReg(Interned):
     ssa_val: "SSAVal"
@@ -550,7 +550,7 @@ class BaseTy(Enum):
         return "BaseTy." + self._name_
 
 
-@dataclass(frozen=True, unsafe_hash=True, repr=False)
+@dataclasses.dataclass(frozen=True, unsafe_hash=True, repr=False)
 @final
 class Ty(Interned):
     base_ty: BaseTy
@@ -688,7 +688,7 @@ class LocSubKind(Enum):
         return "LocSubKind." + self._name_
 
 
-@dataclass(frozen=True, unsafe_hash=True)
+@dataclasses.dataclass(frozen=True, unsafe_hash=True)
 @final
 class GenericTy(Interned):
     base_ty: BaseTy
@@ -714,7 +714,7 @@ class GenericTy(Interned):
         return ty.reg_len == 1
 
 
-@dataclass(frozen=True, unsafe_hash=True)
+@dataclasses.dataclass(frozen=True, unsafe_hash=True)
 @final
 class Loc(Interned):
     kind: LocKind
@@ -930,7 +930,7 @@ class LocSet(OFSet[Loc], Interned):
         return only_loc
 
 
-@dataclass(frozen=True, unsafe_hash=True)
+@dataclasses.dataclass(frozen=True, unsafe_hash=True)
 @final
 class GenericOperandDesc(Interned):
     """generic Op operand descriptor"""
@@ -1043,7 +1043,7 @@ class GenericOperandDesc(Interned):
                               spread_index=idx, write_stage=self.write_stage)
 
 
-@dataclass(frozen=True, unsafe_hash=True)
+@dataclasses.dataclass(frozen=True, unsafe_hash=True)
 @final
 class OperandDesc(Interned):
     """Op operand descriptor"""
@@ -1112,7 +1112,7 @@ OD_VL = GenericOperandDesc(
     sub_kinds=[LocSubKind.VL_MAXVL])
 
 
-@dataclass(frozen=True, unsafe_hash=True)
+@dataclasses.dataclass(frozen=True, unsafe_hash=True)
 @final
 class GenericOpProperties(Interned):
     demo_asm: str
@@ -1894,7 +1894,7 @@ class OpKind(Enum):
     _GEN_ASMS[FuncArgR3] = lambda: OpKind.__funcargr3_gen_asm
 
 
-@dataclass(frozen=True, unsafe_hash=True, repr=False)
+@dataclasses.dataclass(frozen=True, unsafe_hash=True, repr=False)
 class SSAValOrUse(Interned):
     op: "Op"
     operand_idx: int
@@ -1957,7 +1957,7 @@ class SSAValOrUse(Interned):
         return self.__class__(op=self.op, operand_idx=self.unspread_start_idx)
 
 
-@dataclass(frozen=True, unsafe_hash=True, repr=False)
+@dataclasses.dataclass(frozen=True, unsafe_hash=True, repr=False)
 @final
 class SSAVal(SSAValOrUse):
     __slots__ = ()
@@ -2008,7 +2008,7 @@ class SSAVal(SSAValOrUse):
         return tuple(SSAValSubReg(self, i) for i in range(self.ty.reg_len))
 
 
-@dataclass(frozen=True, unsafe_hash=True, repr=False)
+@dataclasses.dataclass(frozen=True, unsafe_hash=True, repr=False)
 @final
 class SSAUse(SSAValOrUse):
     __slots__ = ()