From: Dmitry Selyutin <ghostmansd@gmail.com>
Date: Sun, 28 Aug 2022 08:22:03 +0000 (+0300)
Subject: selectable_int: deprecate obsolete mappings
X-Git-Tag: sv_maxu_works-initial~22
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e2b3ee456ce886796240256753837893fef7d9ff;p=openpower-isa.git

selectable_int: deprecate obsolete mappings
---

diff --git a/src/openpower/decoder/selectable_int.py b/src/openpower/decoder/selectable_int.py
index 6819c5e4..36d30689 100644
--- a/src/openpower/decoder/selectable_int.py
+++ b/src/openpower/decoder/selectable_int.py
@@ -520,106 +520,6 @@ class SelectableInt:
         return struct.unpack('<d', data)[0]
 
 
-class SelectableIntMappingMeta(type):
-    class Field(tuple):
-        def __call__(self, si):
-            return FieldSelectableInt(si=si, br=self)
-
-    class FieldMapping(dict):
-        def __init__(self, items):
-            if isinstance(items, dict):
-                items = items.items()
-
-            length = 0
-            mapping = {}
-            Field = SelectableIntMappingMeta.Field
-            for (key, value) in items:
-                field = Field(value)
-                mapping[key] = field
-                length = max(length, len(field))
-
-            self.__length = length
-
-            return super().__init__(mapping)
-
-        def __iter__(self):
-            yield from self.items()
-
-        def __len__(self):
-            return self.__length
-
-        def __call__(self, si):
-            return {key:value(si=si) for (key, value) in self}
-
-    def __new__(metacls, name, bases, attrs):
-        mapping = {}
-        valid = False
-        for base in reversed(bases):
-            if issubclass(base.__class__, metacls):
-                mapping.update(base)
-            if not valid and issubclass(base, SelectableInt):
-                valid = True
-        if not valid:
-            raise ValueError(bases)
-
-        for (key, value) in tuple(attrs.items()):
-            if key.startswith("_"):
-                continue
-            if isinstance(value, dict):
-                value = metacls.FieldMapping(value)
-            elif isinstance(value, (list, tuple, range)):
-                value = metacls.Field(value)
-            else:
-                continue
-            mapping[key] = value
-            attrs[key] = value
-
-        length = 0
-        for (key, value) in mapping.items():
-            length = max(length, len(value))
-
-        cls = super().__new__(metacls, name, bases, attrs)
-        cls.__length = length
-        cls.__mapping = mapping
-
-        return cls
-
-    def __len__(cls):
-        return cls.__length
-
-    def __contains__(cls, key):
-        return cls.__mapping.__contains__(key)
-
-    def __getitem__(cls, key):
-        return cls.__mapping.__getitem__(key)
-
-    def __iter__(cls):
-        yield from cls.__mapping.items()
-        if type(cls) is not SelectableIntMappingMeta:
-            yield from super().__iter__()
-
-
-class SelectableIntMapping(SelectableInt, metaclass=SelectableIntMappingMeta):
-    def __init__(self, value=0, bits=None):
-        if isinstance(value, SelectableInt):
-            value = value.value
-        if bits is None:
-            bits = len(self.__class__)
-        if bits != len(self.__class__):
-            raise ValueError(bits)
-
-        return super().__init__(value=value, bits=bits)
-
-    def __iter__(self):
-        for (name, _) in self.__class__:
-            yield (name, getattr(self, name))
-
-    def __getattribute__(self, attr):
-        if (attr != "__class__") and (attr in self.__class__):
-            return self.__class__[attr](si=self)
-        return super().__getattribute__(attr)
-
-
 def onebit(bit):
     return SelectableInt(1 if bit else 0, 1)