def __init__(self, rtyper, s_pbc):
self.rtyper = rtyper
self.funcdesc = s_pbc.any_description().funcdesc
# a hack to force the underlying function to show up in call_families
# (generally not needed, as normalizecalls() should ensure this,
# but needed for bound methods that are ll helpers)
# XXX sort this out
#call_families = rtyper.annotator.getpbccallfamilies()
#call_families.find((None, self.function))
if s_pbc.can_be_none():
raise TyperError("unsupported: variable of type "
"method-of-frozen-PBC or None")
im_selves = []
for desc in s_pbc.descriptions:
if desc.funcdesc is not self.funcdesc:
raise TyperError(
"You can't mix a set of methods on a frozen PBC in "
"RPython that are different underlying functions")
im_selves.append(desc.frozendesc)
self.s_im_self = annmodel.SomePBC(im_selves)
self.r_im_self = rtyper.getrepr(self.s_im_self)
self.lowleveltype = self.r_im_self.lowleveltype
def redispatch_call(self, hop, call_args):
from rpython.rtyper.lltypesystem.rpbc import (FunctionsPBCRepr,
SmallFunctionSetPBCRepr)
r_class = self.r_im_self.rclass
mangled_name, r_func = r_class.clsfields[self.methodname]
assert isinstance(r_func, (FunctionsPBCRepr, SmallFunctionSetPBCRepr))
# s_func = r_func.s_pbc -- not precise enough, see
# test_precise_method_call_1. Build a more precise one...
funcdescs = [desc.funcdesc for desc in hop.args_s[0].descriptions]
s_func = annmodel.SomePBC(funcdescs, subset_of=r_func.s_pbc)
v_im_self = hop.inputarg(self, arg=0)
v_cls = self.r_im_self.getfield(v_im_self, '__class__', hop.llops)
v_func = r_class.getclsfield(v_cls, self.methodname, hop.llops)
hop2 = self.add_instance_arg_to_hop(hop, call_args)
hop2.v_s_insertfirstarg(v_func, s_func) # insert 'function'
if (type(hop2.args_r[0]) is SmallFunctionSetPBCRepr
and type(r_func) is FunctionsPBCRepr):
hop2.args_r[0] = FunctionsPBCRepr(self.rtyper, s_func)
else:
hop2.args_v[0] = hop2.llops.convertvar(hop2.args_v[0], r_func,
hop2.args_r[0])
# now hop2 looks like simple_call(function, self, args...)
return hop2.dispatch()
def prepare_method(self, s_value):
# special-casing for methods:
# if s_value is SomePBC([MethodDescs...])
# return a PBC representing the underlying functions
if (isinstance(s_value, annmodel.SomePBC)
and s_value.getKind() == description.MethodDesc):
s_value = self.classdef.lookup_filter(s_value)
funcdescs = [mdesc.funcdesc for mdesc in s_value.descriptions]
return annmodel.SomePBC(funcdescs)
return None # not a method
def convert_desc(self, frozendesc):
try:
return self.converted_pbc_cache[frozendesc]
except KeyError:
r = self.rtyper.getrepr(annmodel.SomePBC([frozendesc]))
if r.lowleveltype is Void:
# must create a new empty structure, as a placeholder
pbc = self.create_instance()
else:
pbc = r.convert_desc(frozendesc)
convpbc = self.convert_pbc(pbc)
self.converted_pbc_cache[frozendesc] = convpbc
return convpbc
def builtin_func_for_spec(rtyper,
oopspec_name,
ll_args,
ll_res,
extra=None,
extrakey=None):
assert (extra is None) == (extrakey is None)
key = (oopspec_name, tuple(ll_args), ll_res, extrakey)
try:
return rtyper._builtin_func_for_spec_cache[key]
except (KeyError, AttributeError):
pass
args_s = [lltype_to_annotation(v) for v in ll_args]
if '.' not in oopspec_name: # 'newxxx' operations
LIST_OR_DICT = ll_res
else:
LIST_OR_DICT = ll_args[0]
s_result = lltype_to_annotation(ll_res)
impl = setup_extra_builtin(rtyper, oopspec_name, len(args_s), extra)
if getattr(impl, 'need_result_type', False):
if hasattr(rtyper, 'annotator'):
bk = rtyper.annotator.bookkeeper
ll_restype = ll_res
if impl.need_result_type != 'exact':
ll_restype = ll_restype.TO
desc = bk.getdesc(ll_restype)
else:
class TestingDesc(object):
knowntype = int
pyobj = None
desc = TestingDesc()
args_s.insert(0, annmodel.SomePBC([desc]))
#
if hasattr(rtyper, 'annotator'): # regular case
mixlevelann = MixLevelHelperAnnotator(rtyper)
c_func = mixlevelann.constfunc(impl, args_s, s_result)
mixlevelann.finish()
else:
# for testing only
c_func = Constant(oopspec_name,
lltype.Ptr(lltype.FuncType(ll_args, ll_res)))
#
if not hasattr(rtyper, '_builtin_func_for_spec_cache'):
rtyper._builtin_func_for_spec_cache = {}
rtyper._builtin_func_for_spec_cache[key] = (c_func, LIST_OR_DICT)
#
return c_func, LIST_OR_DICT
def redispatch_call(self, hop, call_args):
# XXX obscure, try to refactor...
s_function = annmodel.SomePBC([self.funcdesc])
hop2 = hop.copy()
hop2.args_s[0] = self.s_im_self # make the 1st arg stand for 'im_self'
hop2.args_r[0] = self.r_im_self # (same lowleveltype as 'self')
if isinstance(hop2.args_v[0], Constant):
boundmethod = hop2.args_v[0].value
hop2.args_v[0] = Constant(boundmethod.im_self)
if call_args:
hop2.swap_fst_snd_args()
_, s_shape = hop2.r_s_popfirstarg() # temporarely remove shape
adjust_shape(hop2, s_shape)
# a marker that would crash if actually used...
c = Constant("obscure-don't-use-me")
hop2.v_s_insertfirstarg(c, s_function) # insert 'function'
# now hop2 looks like simple_call(function, self, args...)
return hop2.dispatch()
def __init__(self, rtyper, s_pbc):
self.rtyper = rtyper
funcdescs = set([desc.funcdesc for desc in s_pbc.descriptions])
assert len(funcdescs) == 1
self.funcdesc = funcdescs.pop()
# a hack to force the underlying function to show up in call_families
# (generally not needed, as normalizecalls() should ensure this,
# but needed for bound methods that are ll helpers)
# XXX sort this out
#call_families = rtyper.annotator.getpbccallfamilies()
#call_families.find((None, self.function))
if s_pbc.can_be_none():
raise TyperError("unsupported: variable of type "
"method-of-frozen-PBC or None")
im_selves = [desc.frozendesc for desc in s_pbc.descriptions]
self.s_im_self = annmodel.SomePBC(im_selves)
self.r_im_self = rtyper.getrepr(self.s_im_self)
self.lowleveltype = self.r_im_self.lowleveltype
def compute_annotation(self):
from rpython.annotator import model as annmodel
bk = self.bookkeeper
translator = bk.annotator.translator
fn = getattr(translator, 'll_hash_string', ll_hash_string)
return annmodel.SomePBC([bk.getdesc(fn)])
def get_s_callable(self):
return annmodel.SomePBC([self.funcdesc])
