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from rpython.rtyper.llannotation import (
SomePtr, SomeInteriorPtr, SomeLLADTMeth, lltype_to_annotation)
from rpython.flowspace import model as flowmodel
from rpython.rlib.rarithmetic import r_uint
from rpython.rtyper.error import TyperError
from rpython.rtyper.lltypesystem import lltype
from rpython.rtyper.rmodel import Repr
from rpython.rtyper.rint import IntegerRepr
from rpython.tool.pairtype import pairtype
class __extend__(SomePtr):
def rtyper_makerepr(self, rtyper):
return PtrRepr(self.ll_ptrtype, rtyper)
def rtyper_makekey(self):
return self.__class__, self.ll_ptrtype
class __extend__(SomeInteriorPtr):
def rtyper_makerepr(self, rtyper):
return InteriorPtrRepr(self.ll_ptrtype)
def rtyper_makekey(self):
return self.__class__, self.ll_ptrtype
class PtrRepr(Repr):
def __init__(self, ptrtype, rtyper=None):
assert isinstance(ptrtype, lltype.Ptr)
self.lowleveltype = ptrtype
if rtyper is not None:
self.rtyper = rtyper # only for _convert_const_ptr()
def ll_str(self, p):
from rpython.rtyper.lltypesystem.rstr import ll_str
id = lltype.cast_ptr_to_int(p)
return ll_str.ll_int2hex(r_uint(id), True)
def get_ll_eq_function(self):
return None
def rtype_getattr(self, hop):
attr = hop.args_s[1].const
if isinstance(hop.s_result, SomeLLADTMeth):
return hop.inputarg(hop.r_result, arg=0)
try:
self.lowleveltype._example()._lookup_adtmeth(attr)
except AttributeError:
pass
else:
assert hop.s_result.is_constant()
return hop.inputconst(hop.r_result, hop.s_result.const)
assert attr in self.lowleveltype.TO._flds # check that the field exists
FIELD_TYPE = getattr(self.lowleveltype.TO, attr)
if isinstance(FIELD_TYPE, lltype.ContainerType):
if (attr, FIELD_TYPE) == self.lowleveltype.TO._first_struct():
return hop.genop('cast_pointer', [hop.inputarg(self, 0)],
resulttype=hop.r_result.lowleveltype)
elif isinstance(hop.r_result, InteriorPtrRepr):
return hop.inputarg(self, 0)
else:
newopname = 'getsubstruct'
else:
newopname = 'getfield'
vlist = hop.inputargs(self, lltype.Void)
return hop.genop(newopname, vlist,
resulttype = hop.r_result.lowleveltype)
def rtype_setattr(self, hop):
attr = hop.args_s[1].const
FIELD_TYPE = getattr(self.lowleveltype.TO, attr)
assert not isinstance(FIELD_TYPE, lltype.ContainerType)
vlist = hop.inputargs(self, lltype.Void, hop.args_r[2])
hop.genop('setfield', vlist)
def rtype_len(self, hop):
ARRAY = hop.args_r[0].lowleveltype.TO
if isinstance(ARRAY, lltype.FixedSizeArray):
return hop.inputconst(lltype.Signed, ARRAY.length)
else:
vlist = hop.inputargs(self)
return hop.genop('getarraysize', vlist,
resulttype = hop.r_result.lowleveltype)
def rtype_bool(self, hop):
vlist = hop.inputargs(self)
return hop.genop('ptr_nonzero', vlist, resulttype=lltype.Bool)
def rtype_simple_call(self, hop):
if not isinstance(self.lowleveltype.TO, lltype.FuncType):
raise TyperError("calling a non-function %r", self.lowleveltype.TO)
vlist = hop.inputargs(*hop.args_r)
nexpected = len(self.lowleveltype.TO.ARGS)
nactual = len(vlist)-1
if nactual != nexpected:
raise TyperError("argcount mismatch: expected %d got %d" %
(nexpected, nactual))
if isinstance(vlist[0], flowmodel.Constant):
if hasattr(vlist[0].value, 'graph'):
hop.llops.record_extra_call(vlist[0].value.graph)
opname = 'direct_call'
else:
opname = 'indirect_call'
vlist.append(hop.inputconst(lltype.Void, None))
hop.exception_is_here()
return hop.genop(opname, vlist,
resulttype = self.lowleveltype.TO.RESULT)
def rtype_call_args(self, hop):
raise TyperError("kwds args not supported")
def convert_const(self, value):
if hasattr(value, '_convert_const_ptr'):
assert hasattr(self, 'rtyper')
return value._convert_const_ptr(self)
return Repr.convert_const(self, value)
class __extend__(pairtype(PtrRepr, PtrRepr)):
def convert_from_to((r_ptr1, r_ptr2), v, llop):
if r_ptr1.lowleveltype == r_ptr2.lowleveltype:
return v
return NotImplemented
class __extend__(pairtype(PtrRepr, IntegerRepr)):
def rtype_getitem((r_ptr, r_int), hop):
ARRAY = r_ptr.lowleveltype.TO
ITEM_TYPE = ARRAY.OF
if isinstance(ITEM_TYPE, lltype.ContainerType):
if isinstance(hop.r_result, InteriorPtrRepr):
v_array, v_index = hop.inputargs(r_ptr, lltype.Signed)
INTERIOR_PTR_TYPE = r_ptr.lowleveltype._interior_ptr_type_with_index(ITEM_TYPE)
cflags = hop.inputconst(lltype.Void, {'flavor': 'gc'})
args = [flowmodel.Constant(INTERIOR_PTR_TYPE, lltype.Void),
cflags]
v_interior_ptr = hop.genop('malloc', args,
resulttype=lltype.Ptr(INTERIOR_PTR_TYPE))
hop.genop('setfield',
[v_interior_ptr, flowmodel.Constant('ptr', lltype.Void), v_array])
hop.genop('setfield',
[v_interior_ptr, flowmodel.Constant('index', lltype.Void), v_index])
return v_interior_ptr
else:
newopname = 'getarraysubstruct'
else:
newopname = 'getarrayitem'
vlist = hop.inputargs(r_ptr, lltype.Signed)
return hop.genop(newopname, vlist,
resulttype = hop.r_result.lowleveltype)
def rtype_setitem((r_ptr, r_int), hop):
ARRAY = r_ptr.lowleveltype.TO
ITEM_TYPE = ARRAY.OF
assert not isinstance(ITEM_TYPE, lltype.ContainerType)
vlist = hop.inputargs(r_ptr, lltype.Signed, hop.args_r[2])
hop.genop('setarrayitem', vlist)
# ____________________________________________________________
#
# Comparisons
class __extend__(pairtype(PtrRepr, Repr)):
def rtype_eq((r_ptr, r_any), hop):
vlist = hop.inputargs(r_ptr, r_ptr)
return hop.genop('ptr_eq', vlist, resulttype=lltype.Bool)
def rtype_ne((r_ptr, r_any), hop):
vlist = hop.inputargs(r_ptr, r_ptr)
return hop.genop('ptr_ne', vlist, resulttype=lltype.Bool)
class __extend__(pairtype(Repr, PtrRepr)):
def rtype_eq((r_any, r_ptr), hop):
vlist = hop.inputargs(r_ptr, r_ptr)
return hop.genop('ptr_eq', vlist, resulttype=lltype.Bool)
def rtype_ne((r_any, r_ptr), hop):
vlist = hop.inputargs(r_ptr, r_ptr)
return hop.genop('ptr_ne', vlist, resulttype=lltype.Bool)
# ________________________________________________________________
# ADT methods
class __extend__(SomeLLADTMeth):
def rtyper_makerepr(self, rtyper):
return LLADTMethRepr(self, rtyper)
def rtyper_makekey(self):
return self.__class__, self.ll_ptrtype, self.func
class LLADTMethRepr(Repr):
def __init__(self, adtmeth, rtyper):
self.func = adtmeth.func
self.lowleveltype = adtmeth.ll_ptrtype
self.ll_ptrtype = adtmeth.ll_ptrtype
self.lowleveltype = rtyper.getrepr(lltype_to_annotation(adtmeth.ll_ptrtype)).lowleveltype
def rtype_simple_call(self, hop):
hop2 = hop.copy()
func = self.func
s_func = hop.rtyper.annotator.bookkeeper.immutablevalue(func)
v_ptr = hop2.args_v[0]
hop2.r_s_popfirstarg()
hop2.v_s_insertfirstarg(v_ptr, lltype_to_annotation(self.ll_ptrtype))
hop2.v_s_insertfirstarg(flowmodel.Constant(func), s_func)
return hop2.dispatch()
class __extend__(pairtype(PtrRepr, LLADTMethRepr)):
def convert_from_to((r_from, r_to), v, llops):
if r_from.lowleveltype == r_to.lowleveltype:
return v
return NotImplemented
class InteriorPtrRepr(Repr):
def __init__(self, ptrtype):
assert isinstance(ptrtype, lltype.InteriorPtr)
self._ptrtype = ptrtype # for debugging
self.v_offsets = []
numitemoffsets = 0
for i, offset in enumerate(ptrtype.offsets):
if isinstance(offset, int):
numitemoffsets += 1
self.v_offsets.append(None)
else:
assert isinstance(offset, str)
self.v_offsets.append(flowmodel.Constant(offset, lltype.Void))
self.parentptrtype = lltype.Ptr(ptrtype.PARENTTYPE)
self.resulttype = lltype.Ptr(ptrtype.TO)
assert numitemoffsets <= 1
if numitemoffsets > 0:
self.lowleveltype = lltype.Ptr(self.parentptrtype._interior_ptr_type_with_index(self.resulttype.TO))
else:
self.lowleveltype = self.parentptrtype
def getinteriorfieldargs(self, hop, v_self):
vlist = []
if None in self.v_offsets:
INTERIOR_TYPE = v_self.concretetype.TO
nameiter = iter(INTERIOR_TYPE._names)
name = nameiter.next()
vlist.append(
hop.genop('getfield',
[v_self, flowmodel.Constant(name, lltype.Void)],
resulttype=INTERIOR_TYPE._flds[name]))
else:
vlist.append(v_self)
for v_offset in self.v_offsets:
if v_offset is None:
name = nameiter.next()
vlist.append(
hop.genop('getfield',
[v_self, flowmodel.Constant(name, lltype.Void)],
resulttype=INTERIOR_TYPE._flds[name]))
else:
vlist.append(v_offset)
if None in self.v_offsets:
try:
nameiter.next()
except StopIteration:
pass
else:
assert False
return vlist
def rtype_len(self, hop):
v_self, = hop.inputargs(self)
vlist = self.getinteriorfieldargs(hop, v_self)
return hop.genop('getinteriorarraysize', vlist,
resulttype=lltype.Signed)
def rtype_getattr(self, hop):
attr = hop.args_s[1].const
if isinstance(hop.s_result, SomeLLADTMeth):
return hop.inputarg(hop.r_result, arg=0)
FIELD_TYPE = getattr(self.resulttype.TO, attr)
if isinstance(FIELD_TYPE, lltype.ContainerType):
return hop.inputarg(self, 0)
else:
v_self, v_attr = hop.inputargs(self, lltype.Void)
vlist = self.getinteriorfieldargs(hop, v_self) + [v_attr]
return hop.genop('getinteriorfield', vlist,
resulttype=hop.r_result.lowleveltype)
def rtype_setattr(self, hop):
attr = hop.args_s[1].const
FIELD_TYPE = getattr(self.resulttype.TO, attr)
assert not isinstance(FIELD_TYPE, lltype.ContainerType)
v_self, v_fieldname, v_value = hop.inputargs(self, lltype.Void, hop.args_r[2])
vlist = self.getinteriorfieldargs(hop, v_self) + [v_fieldname, v_value]
return hop.genop('setinteriorfield', vlist)
class __extend__(pairtype(InteriorPtrRepr, IntegerRepr)):
def rtype_getitem((r_ptr, r_item), hop):
ARRAY = r_ptr.resulttype.TO
ITEM_TYPE = ARRAY.OF
if isinstance(ITEM_TYPE, lltype.ContainerType):
v_array, v_index = hop.inputargs(r_ptr, lltype.Signed)
INTERIOR_PTR_TYPE = r_ptr.lowleveltype._interior_ptr_type_with_index(ITEM_TYPE)
cflags = hop.inputconst(lltype.Void, {'flavor': 'gc'})
args = [flowmodel.Constant(INTERIOR_PTR_TYPE, lltype.Void), cflags]
v_interior_ptr = hop.genop('malloc', args,
resulttype=lltype.Ptr(INTERIOR_PTR_TYPE))
hop.genop('setfield',
[v_interior_ptr, flowmodel.Constant('ptr', lltype.Void), v_array])
hop.genop('setfield',
[v_interior_ptr, flowmodel.Constant('index', lltype.Void), v_index])
return v_interior_ptr
else:
v_self, v_index = hop.inputargs(r_ptr, lltype.Signed)
vlist = r_ptr.getinteriorfieldargs(hop, v_self) + [v_index]
return hop.genop('getinteriorfield', vlist,
resulttype=ITEM_TYPE)
def rtype_setitem((r_ptr, r_index), hop):
ARRAY = r_ptr.resulttype.TO
ITEM_TYPE = ARRAY.OF
assert not isinstance(ITEM_TYPE, lltype.ContainerType)
v_self, v_index, v_value = hop.inputargs(r_ptr, lltype.Signed, hop.args_r[2])
vlist = r_ptr.getinteriorfieldargs(hop, v_self) + [v_index, v_value]
hop.genop('setinteriorfield', vlist)
class __extend__(pairtype(InteriorPtrRepr, LLADTMethRepr)):
def convert_from_to((r_from, r_to), v, llops):
if r_from.lowleveltype == r_to.lowleveltype:
return v
return NotImplemented
class __extend__(pairtype(InteriorPtrRepr, InteriorPtrRepr)):
def convert_from_to((r_from, r_to), v, llops):
if r_from.__dict__ == r_to.__dict__:
return v
return NotImplemented
|
