def _setup_repr(self):
pbcfields = {}
if self.lowleveltype != ootype.Class:
# class attributes
llfields = []
# attributes showing up in getattrs done on the class as a PBC
extra_access_sets = self.rtyper.class_pbc_attributes.get(
self.classdef, {})
for access_set, (attr, counter) in extra_access_sets.items():
r = self.rtyper.getrepr(access_set.s_value)
mangled_name = pbcmangle('pbc%d' % counter, attr)
pbcfields[access_set, attr] = mangled_name, r
llfields.append((mangled_name, r.lowleveltype))
self.rbase.setup()
ootype.addFields(self.lowleveltype, dict(llfields))
self.pbcfields = pbcfields
self.meta_instance = None
def _setup_repr(self):
pbcfields = {}
if self.lowleveltype != ootype.Class:
# class attributes
llfields = []
# attributes showing up in getattrs done on the class as a PBC
extra_access_sets = self.rtyper.class_pbc_attributes.get(
self.classdef, {})
for access_set, (attr, counter) in extra_access_sets.items():
r = self.rtyper.getrepr(access_set.s_value)
mangled_name = pbcmangle('pbc%d' % counter, attr)
pbcfields[access_set, attr] = mangled_name, r
llfields.append((mangled_name, r.lowleveltype))
self.rbase.setup()
ootype.addFields(self.lowleveltype, dict(llfields))
self.pbcfields = pbcfields
self.meta_instance = None
def _setup_repr(self, llfields=None, hints=None):
if hints:
self.lowleveltype._hints.update(hints)
if self.classdef is None:
self.fields = {}
self.allfields = {}
self.allmethods = {}
self.allclassattributes = {}
self.classattributes = {}
return
if self.baserepr is not None:
allfields = self.baserepr.allfields.copy()
allmethods = self.baserepr.allmethods.copy()
allclassattributes = self.baserepr.allclassattributes.copy()
else:
allfields = {}
allmethods = {}
allclassattributes = {}
fields = {}
nonmangledfields = []
fielddefaults = {}
if llfields:
fields.update(dict(llfields))
selfattrs = self.classdef.attrs
for name, attrdef in selfattrs.iteritems():
mangled = mangle(name, self.rtyper.getconfig())
if not attrdef.readonly:
repr = self.rtyper.getrepr(attrdef.s_value)
allfields[mangled] = repr
oot = repr.lowleveltype
fields[mangled] = oot
nonmangledfields.append(name)
try:
value = self.classdef.classdesc.read_attribute(name)
fielddefaults[mangled] = repr.convert_desc_or_const(value)
except AttributeError:
pass
else:
s_value = attrdef.s_value
if isinstance(s_value, annmodel.SomePBC):
if len(s_value.descriptions) > 0 and s_value.getKind(
) == description.MethodDesc:
# attrdef is for a method
if mangled in allclassattributes:
raise TyperError(
"method overrides class attribute")
allmethods[
mangled] = name, self.classdef.lookup_filter(
s_value)
continue
# class attribute
if mangled in allmethods:
raise TyperError("class attribute overrides method")
allclassattributes[mangled] = name, s_value
special_methods = ["__init__", "__del__"]
for meth_name in special_methods:
if meth_name not in selfattrs and \
self.classdef.classdesc.find_source_for(meth_name) is not None:
s_meth = self.classdef.classdesc.s_get_value(
self.classdef, meth_name)
if isinstance(s_meth, annmodel.SomePBC):
mangled = mangle(meth_name, self.rtyper.getconfig())
allmethods[mangled] = meth_name, s_meth
# else: it's the __init__ of a builtin exception
ootype.addFields(self.lowleveltype, fields)
self.rbase = getinstancerepr(self.rtyper, self.classdef.basedef)
self.rbase.setup()
for name, attrdef in selfattrs.iteritems():
if not attrdef.readonly and self.is_quasi_immutable(name):
name = mangle('mutable_' + name, self.rtyper.getconfig())
ootype.addFields(self.lowleveltype, {name: OBJECT})
classattributes = {}
baseInstance = self.lowleveltype._superclass
classrepr = getclassrepr(self.rtyper, self.classdef)
# if this class has a corresponding metaclass, attach
# a getmeta() method to get the corresponding meta_instance
if classrepr.lowleveltype != ootype.Class:
oovalue = classrepr.get_meta_instance()
self.attach_class_attr_accessor('getmeta', oovalue)
for classdef in self.classdef.getmro():
for name, attrdef in classdef.attrs.iteritems():
if not attrdef.readonly:
continue
mangled = mangle(name, self.rtyper.getconfig())
if mangled in allclassattributes:
selfdesc = self.classdef.classdesc
if name not in selfattrs:
# if the attr was already found in a parent class,
# we register it again only if it is overridden.
if selfdesc.find_source_for(name) is None:
continue
value = selfdesc.read_attribute(name)
else:
# otherwise, for new attrs, we look in all parent
# classes to see if it's defined in a parent but only
# actually first used in self.classdef.
value = selfdesc.read_attribute(name, None)
# a non-method class attribute
if not attrdef.s_value.is_constant():
classattributes[mangled] = attrdef.s_value, value
self.fields = nonmangledfields
self.allfields = allfields
self.allmethods = allmethods
self.allclassattributes = allclassattributes
self.classattributes = classattributes
# the following is done after the rest of the initialization because
# convert_const can require 'self' to be fully initialized.
# step 2: provide default values for fields
for mangled, impl in fielddefaults.items():
oot = fields[mangled]
ootype.addFields(self.lowleveltype, {mangled: (oot, impl)},
with_default=True)
def _setup_repr(self, llfields=None, hints=None):
if hints:
self.lowleveltype._hints.update(hints)
if self.classdef is None:
self.fields = {}
self.allfields = {}
self.allmethods = {}
self.allclassattributes = {}
self.classattributes = {}
return
if self.baserepr is not None:
allfields = self.baserepr.allfields.copy()
allmethods = self.baserepr.allmethods.copy()
allclassattributes = self.baserepr.allclassattributes.copy()
else:
allfields = {}
allmethods = {}
allclassattributes = {}
fields = {}
nonmangledfields = []
fielddefaults = {}
if llfields:
fields.update(dict(llfields))
selfattrs = self.classdef.attrs
for name, attrdef in selfattrs.iteritems():
mangled = mangle(name, self.rtyper.getconfig())
if not attrdef.readonly:
repr = self.rtyper.getrepr(attrdef.s_value)
allfields[mangled] = repr
oot = repr.lowleveltype
fields[mangled] = oot
nonmangledfields.append(name)
try:
value = self.classdef.classdesc.read_attribute(name)
fielddefaults[mangled] = repr.convert_desc_or_const(value)
except AttributeError:
pass
else:
s_value = attrdef.s_value
if isinstance(s_value, annmodel.SomePBC):
if len(s_value.descriptions) > 0 and s_value.getKind() == description.MethodDesc:
# attrdef is for a method
if mangled in allclassattributes:
raise TyperError("method overrides class attribute")
allmethods[mangled] = name, self.classdef.lookup_filter(s_value)
continue
# class attribute
if mangled in allmethods:
raise TyperError("class attribute overrides method")
allclassattributes[mangled] = name, s_value
special_methods = ["__init__", "__del__"]
for meth_name in special_methods:
if meth_name not in selfattrs and \
self.classdef.classdesc.find_source_for(meth_name) is not None:
s_meth = self.classdef.classdesc.s_get_value(self.classdef,
meth_name)
if isinstance(s_meth, annmodel.SomePBC):
mangled = mangle(meth_name, self.rtyper.getconfig())
allmethods[mangled] = meth_name, s_meth
# else: it's the __init__ of a builtin exception
ootype.addFields(self.lowleveltype, fields)
self.rbase = getinstancerepr(self.rtyper, self.classdef.basedef)
self.rbase.setup()
for name, attrdef in selfattrs.iteritems():
if not attrdef.readonly and self.is_quasi_immutable(name):
name = mangle('mutable_' + name, self.rtyper.getconfig())
ootype.addFields(self.lowleveltype, {name: OBJECT})
classattributes = {}
baseInstance = self.lowleveltype._superclass
classrepr = getclassrepr(self.rtyper, self.classdef)
# if this class has a corresponding metaclass, attach
# a getmeta() method to get the corresponding meta_instance
if classrepr.lowleveltype != ootype.Class:
oovalue = classrepr.get_meta_instance()
self.attach_class_attr_accessor('getmeta', oovalue)
for classdef in self.classdef.getmro():
for name, attrdef in classdef.attrs.iteritems():
if not attrdef.readonly:
continue
mangled = mangle(name, self.rtyper.getconfig())
if mangled in allclassattributes:
selfdesc = self.classdef.classdesc
if name not in selfattrs:
# if the attr was already found in a parent class,
# we register it again only if it is overridden.
if selfdesc.find_source_for(name) is None:
continue
value = selfdesc.read_attribute(name)
else:
# otherwise, for new attrs, we look in all parent
# classes to see if it's defined in a parent but only
# actually first used in self.classdef.
value = selfdesc.read_attribute(name, None)
# a non-method class attribute
if not attrdef.s_value.is_constant():
classattributes[mangled] = attrdef.s_value, value
self.fields = nonmangledfields
self.allfields = allfields
self.allmethods = allmethods
self.allclassattributes = allclassattributes
self.classattributes = classattributes
# the following is done after the rest of the initialization because
# convert_const can require 'self' to be fully initialized.
# step 2: provide default values for fields
for mangled, impl in fielddefaults.items():
oot = fields[mangled]
ootype.addFields(self.lowleveltype, {mangled: (oot, impl)},
with_default=True)
def _setup_repr(self):
fields_list = self._setup_repr_fields()
ootype.addFields(self.lowleveltype, dict(fields_list))
def _setup_repr(self):
fields_list = self._setup_repr_fields()
ootype.addFields(self.lowleveltype, dict(fields_list))
