def recv(self, atom, args):
if atom is ISSETTLED_1:
return wrapBool(isSettled(args[0]))
if atom is OPTSAME_2:
first, second = args
result = optSame(first, second)
if result is NOTYET:
return NullObject
return wrapBool(result is EQUAL)
if atom is SAMEEVER_2:
first, second = args
result = optSame(first, second)
if result is NOTYET:
raise userError(u"Not yet settled!")
return wrapBool(result is EQUAL)
if atom is SAMEYET_2:
first, second = args
result = optSame(first, second)
return wrapBool(result is EQUAL)
if atom is MAKETRAVERSALKEY_1:
return TraversalKey(args[0])
raise Refused(self, atom, args)
def safeScope():
return finalize({
u"null": NullObject,
u"Infinity": Infinity,
u"NaN": NaN,
u"false": wrapBool(False),
u"true": wrapBool(True),
u"Any": anyGuard,
u"Binding": BindingGuard(),
u"DeepFrozen": deepFrozenGuard,
u"FinalSlot": theFinalSlotGuardMaker,
u"Near": NearGuard(),
u"Same": sameGuardMaker,
u"Selfless": selfless,
u"SubrangeGuard": subrangeGuardMaker,
u"VarSlot": theVarSlotGuardMaker,
u"M": MObject(),
u"Ref": RefOps(),
u"_auditedBy": auditedBy(),
u"_equalizer": Equalizer(),
u"_loop": loop(),
u"_makeBytes": theMakeBytes,
u"_makeDouble": theMakeDouble,
u"_makeFinalSlot": theFinalSlotMaker,
u"_makeInt": theMakeInt,
u"_makeList": theMakeList,
u"_makeMap": theMakeMap,
u"_makeSourceSpan": makeSourceSpan,
u"_makeStr": theMakeStr,
u"_makeVarSlot": theVarSlotMaker,
u"_slotToBinding": theSlotBinder,
u"throw": theThrower,
u"trace": TraceLn(),
u"traceln": TraceLn(),
})
def recv(self, atom, args):
if atom is ISSETTLED_1:
return wrapBool(isSettled(args[0]))
if atom is OPTSAME_2:
first, second = args
result = optSame(first, second)
if result is NOTYET:
return NullObject
return wrapBool(result is EQUAL)
if atom is SAMEEVER_2:
first, second = args
result = optSame(first, second)
if result is NOTYET:
raise userError(u"Not yet settled!")
return wrapBool(result is EQUAL)
if atom is SAMEYET_2:
first, second = args
result = optSame(first, second)
return wrapBool(result is EQUAL)
if atom is MAKETRAVERSALKEY_1:
return TraversalKey(args[0])
raise Refused(self, atom, args)
def recv(self, atom, args):
from typhon.nodes import Noun, Method, Obj
from typhon.objects.equality import optSame, EQUAL
from typhon.objects.user import Audition
if atom is _UNCALL_0:
from typhon.objects.collections.maps import EMPTY_MAP
return ConstList([subrangeGuardMaker, StrObject(u"get"), ConstList([self.superGuard]), EMPTY_MAP])
if atom is AUDIT_1:
audition = args[0]
if not isinstance(audition, Audition):
raise userError(u"not invoked with an Audition")
ast = audition.ast
if not isinstance(ast, Obj):
raise userError(u"audition not created with an object expr")
methods = ast._script._methods
for m in methods:
if isinstance(m, Method) and m._verb == u"coerce":
mguard = m._g
if isinstance(mguard, Noun):
rGSG = audition.getGuard(mguard.name)
if isinstance(rGSG, FinalSlotGuard):
rGSG0 = rGSG.valueGuard
if isinstance(rGSG0, SameGuard):
resultGuard = rGSG0.value
if optSame(resultGuard, self.superGuard) is EQUAL or (
SUPERSETOF_1 in self.superGuard.respondingAtoms()
and self.superGuard.call(u"supersetOf", [resultGuard]) is wrapBool(True)
):
return wrapBool(True)
raise userError(
u"%s does not have a result guard implying "
u"%s, but %s" % (audition.fqn, self.superGuard.toQuote(), resultGuard.toQuote())
)
raise userError(
u"%s does not have a determinable "
u"result guard, but <& %s> :%s" % (audition.fqn, mguard.name, rGSG.toQuote())
)
break
return self
if atom is PASSES_1:
return wrapBool(args[0].auditedBy(self))
if atom is COERCE_2:
specimen, ej = args[0], args[1]
if specimen.auditedBy(self):
return specimen
c = specimen.call(u"_conformTo", [self])
if c.auditedBy(self):
return c
throw(ej, StrObject(u"%s does not conform to %s" % (specimen.toQuote(), self.toQuote())))
raise Refused(self, atom, args)
def recv(self, atom, args):
if atom is RESOLVE_1:
return wrapBool(self.resolve(args[0]))
if atom is RESOLVE_2:
return wrapBool(self.resolve(args[0], unwrapBool(args[1])))
if atom is SMASH_1:
return wrapBool(self.smash(args[0]))
raise Refused(self, atom, args)
def recv(self, atom, args):
if atom is RESOLVE_1:
return wrapBool(self.resolve(args[0]))
if atom is RESOLVE_2:
return wrapBool(self.resolve(args[0], unwrapBool(args[1])))
if atom is SMASH_1:
return wrapBool(self.smash(args[0]))
raise Refused(self, atom, args)
def auditedBy(auditor, specimen):
"""
Whether an auditor has audited a specimen.
"""
from typhon.objects.refs import resolution
from typhon.objects.constants import wrapBool
return wrapBool(resolution(specimen).auditedBy(auditor))
def auditedBy(auditor, specimen):
"""
Whether an auditor has audited a specimen.
"""
from typhon.objects.refs import resolution
from typhon.objects.constants import wrapBool
return wrapBool(resolution(specimen).auditedBy(auditor))
def recv(self, atom, args):
from typhon.objects.constants import wrapBool
from typhon.objects.constants import NullObject
if atom is AUDIT_1:
return wrapBool(True)
if atom is PASSES_1:
return wrapBool(args[0].auditedBy(selfless))
if atom is COERCE_2:
if args[0].auditedBy(selfless):
return args[0]
from typhon.objects.ejectors import throw
throw(args[1], NullObject)
return NullObject
raise Refused(self, atom, args)
def _uncall(self):
from typhon.objects.collections.lists import wrapList
from typhon.objects.collections.maps import EMPTY_MAP
return [
makeSourceSpan, StrObject(u"run"),
wrapList([wrapBool(self._isOneToOne), IntObject(self.startLine),
IntObject(self.startCol), IntObject(self.endLine),
IntObject(self.endCol)]), EMPTY_MAP]
def recv(self, atom, args):
from typhon.objects.constants import wrapBool
from typhon.objects.constants import NullObject
if atom is AUDIT_1:
return wrapBool(True)
if atom is PASSES_1:
return wrapBool(args[0].auditedBy(selfless))
if atom is COERCE_2:
if args[0].auditedBy(selfless):
return args[0]
from typhon.objects.ejectors import throw
throw(args[1], NullObject)
return NullObject
raise Refused(self, atom, args)
def recv(self, atom, args):
from typhon.objects.data import StrObject
if atom is AUDIT_1:
from typhon.objects.constants import wrapBool
return wrapBool(True)
if atom is COERCE_2:
if args[0].auditedBy(self):
return args[0]
args[1].call(u"run", [StrObject(u"Not DeepFrozen")])
raise Refused(self, atom, args)
def recv(self, atom, args):
from typhon.objects.data import StrObject
if atom is AUDIT_1:
from typhon.objects.constants import wrapBool
return wrapBool(True)
if atom is COERCE_2:
if args[0].auditedBy(self):
return args[0]
args[1].call(u"run", [StrObject(u"Not DeepFrozen")])
raise Refused(self, atom, args)
def optSame(self, first, second):
"""
Whether `first` and `second` are the same.
Returns `null` if `first` or `second` are too unsettled to compare.
"""
result = optSame(first, second)
if result is NOTYET:
return NullObject
return wrapBool(result is EQUAL)
def optSame(self, first, second):
"""
Whether `first` and `second` are the same.
Returns `null` if `first` or `second` are too unsettled to compare.
"""
result = optSame(first, second)
if result is NOTYET:
return NullObject
return wrapBool(result is EQUAL)
def recv(self, atom, args):
if atom is COERCE_2:
for g in self.subguards:
with Ejector() as ej:
try:
return g.call(u"coerce", [args[0], ej])
except Ejecting as e:
if e.ejector is ej:
continue
throw(args[1], StrObject(u"No subguards matched"))
if atom is SUPERSETOF_1:
for g in self.subguards:
if not unwrapBool(g.call(u"supersetOf", [args[0]])):
return wrapBool(False)
return wrapBool(True)
if atom is _UNCALL_0:
from typhon.objects.collections.maps import EMPTY_MAP
return ConstList([anyGuard, StrObject(u"get"), ConstList(self.subguards), EMPTY_MAP])
raise Refused(self, atom, args)
def recv(self, atom, args):
from typhon.objects.constants import wrapBool, NullObject
if atom is PASSES_1:
return wrapBool(args[0].auditedBy(transparentStamp))
if atom is COERCE_2:
if args[0].auditedBy(transparentStamp):
return args[0]
from typhon.objects.ejectors import throw
throw(args[1], NullObject)
return NullObject
raise Refused(self, atom, args)
def recv(self, atom, args):
from typhon.objects.constants import wrapBool
from typhon.objects.collections.helpers import monteMap
from typhon.objects.user import Audition
if atom is AUDIT_1:
audition = args[0]
if not isinstance(audition, Audition):
raise userError(u"not an Audition")
return wrapBool(self.audit(audition))
if atom is COERCE_2:
from typhon.objects.constants import NullObject
from typhon.objects.ejectors import theThrower
ej = args[1]
if ej is NullObject:
ej = theThrower
checkDeepFrozen(args[0], monteMap(), ej, args[0])
return args[0]
if atom is SUPERSETOF_1:
return wrapBool(deepFrozenSupersetOf(args[0]))
raise Refused(self, atom, args)
def safeScope():
return finalize({
u"null": NullObject,
u"Infinity": Infinity,
u"NaN": NaN,
u"false": wrapBool(False),
u"true": wrapBool(True),
u"Any": anyGuard,
u"Binding": BindingGuard(),
u"DeepFrozen": deepFrozenGuard,
u"FinalSlot": theFinalSlotGuardMaker,
u"Near": NearGuard(),
u"Same": sameGuardMaker,
u"Selfless": selfless,
u"SubrangeGuard": subrangeGuardMaker,
u"VarSlot": theVarSlotGuardMaker,
u"M": MObject(),
u"Ref": RefOps(),
u"_auditedBy": auditedBy(),
u"_equalizer": Equalizer(),
u"_loop": loop(),
u"_makeBytes": theMakeBytes,
u"_makeDouble": theMakeDouble,
u"_makeFinalSlot": theFinalSlotMaker,
u"_makeInt": theMakeInt,
u"_makeList": theMakeList,
u"_makeMap": theMakeMap,
u"_makeSourceSpan": makeSourceSpan,
u"_makeStr": theMakeStr,
u"_makeString": theMakeStr,
u"_makeVarSlot": theVarSlotMaker,
u"_slotToBinding": theSlotBinder,
u"throw": theThrower,
u"trace": TraceLn(),
u"traceln": TraceLn(),
})
def recv(self, atom, args):
from typhon.objects.constants import wrapBool, NullObject
if atom is PASSES_1:
return wrapBool(args[0].auditedBy(transparentStamp))
if atom is COERCE_2:
if args[0].auditedBy(transparentStamp):
return args[0]
from typhon.objects.ejectors import throw
throw(args[1], NullObject)
return NullObject
raise Refused(self, atom, args)
def _uncall(self):
from typhon.objects.collections.lists import wrapList
from typhon.objects.collections.maps import EMPTY_MAP
return [
makeSourceSpan,
StrObject(u"run"),
wrapList([
wrapBool(self._isOneToOne),
IntObject(self.startLine),
IntObject(self.startCol),
IntObject(self.endLine),
IntObject(self.endCol)
]), EMPTY_MAP
]
def recv(self, atom, args):
if atom is ASK_1:
return wrapBool(self.ask(args[0]))
if atom is GETGUARD_1:
return self.getGuard(unwrapStr(args[0]))
if atom is GETOBJECTEXPR_0:
return self.ast
if atom is GETFQN_0:
return StrObject(self.fqn)
raise Refused(self, atom, args)
def mirandaMethods(self, atom, arguments, namedArgsMap):
from typhon.objects.collections.maps import EMPTY_MAP
if atom is _CONFORMTO_1:
# Welcome to _conformTo/1.
# to _conformTo(_): return self
return self
if atom is _GETALLEGEDINTERFACE_0:
# Welcome to _getAllegedInterface/0.
interface = self.optInterface()
if interface is None:
from typhon.objects.interfaces import ComputedInterface
interface = ComputedInterface(self)
return interface
if atom is _PRINTON_1:
# Welcome to _printOn/1.
from typhon.objects.constants import NullObject
self.printOn(arguments[0])
return NullObject
if atom is _RESPONDSTO_2:
from typhon.objects.constants import wrapBool
from typhon.objects.data import unwrapInt, unwrapStr
verb = unwrapStr(arguments[0])
arity = unwrapInt(arguments[1])
atom = getAtom(verb, arity)
result = (atom in self.respondingAtoms() or
atom in mirandaAtoms)
return wrapBool(result)
if atom is _SEALEDDISPATCH_1:
# to _sealedDispatch(_): return null
from typhon.objects.constants import NullObject
return NullObject
if atom is _UNCALL_0:
from typhon.objects.constants import NullObject
return NullObject
if atom is _WHENMORERESOLVED_1:
# Welcome to _whenMoreResolved.
# This method's implementation, in Monte, should be:
# to _whenMoreResolved(callback): callback<-(self)
from typhon.vats import currentVat
vat = currentVat.get()
vat.sendOnly(arguments[0], RUN_1, [self], EMPTY_MAP)
from typhon.objects.constants import NullObject
return NullObject
return None
def recv(self, atom, args):
if atom is ASK_1:
return wrapBool(self.ask(args[0]))
if atom is GETGUARD_1:
return self.getGuard(unwrapStr(args[0]))
if atom is GETOBJECTEXPR_0:
return self.ast
if atom is GETFQN_0:
return StrObject(self.fqn)
raise Refused(self, atom, args)
def mirandaMethods(self, atom, arguments, namedArgsMap):
from typhon.objects.collections.maps import EMPTY_MAP
if atom is _CONFORMTO_1:
# Welcome to _conformTo/1.
# to _conformTo(_): return self
return self
if atom is _GETALLEGEDINTERFACE_0:
# Welcome to _getAllegedInterface/0.
interface = self.optInterface()
if interface is None:
from typhon.objects.interfaces import ComputedInterface
interface = ComputedInterface(self)
return interface
if atom is _PRINTON_1:
# Welcome to _printOn/1.
from typhon.objects.constants import NullObject
self.printOn(arguments[0])
return NullObject
if atom is _RESPONDSTO_2:
from typhon.objects.constants import wrapBool
from typhon.objects.data import unwrapInt, unwrapStr
verb = unwrapStr(arguments[0])
arity = unwrapInt(arguments[1])
atom = getAtom(verb, arity)
result = (atom in self.respondingAtoms() or atom in mirandaAtoms)
return wrapBool(result)
if atom is _SEALEDDISPATCH_1:
# to _sealedDispatch(_): return null
from typhon.objects.constants import NullObject
return NullObject
if atom is _UNCALL_0:
from typhon.objects.constants import NullObject
return NullObject
if atom is _WHENMORERESOLVED_1:
# Welcome to _whenMoreResolved.
# This method's implementation, in Monte, should be:
# to _whenMoreResolved(callback): callback<-(self)
from typhon.vats import currentVat
vat = currentVat.get()
vat.sendOnly(arguments[0], RUN_1, [self], EMPTY_MAP)
from typhon.objects.constants import NullObject
return NullObject
return None
def recv(self, atom, args):
if atom is COERCE_2:
for g in self.subguards:
with Ejector() as ej:
try:
return g.call(u"coerce", [args[0], ej])
except Ejecting as e:
if e.ejector is ej:
continue
throw(args[1], StrObject(u"No subguards matched"))
if atom is SUPERSETOF_1:
for g in self.subguards:
if not unwrapBool(g.call(u"supersetOf", [args[0]])):
return wrapBool(False)
return wrapBool(True)
if atom is _UNCALL_0:
from typhon.objects.collections.maps import EMPTY_MAP
return ConstList([
anyGuard,
StrObject(u"get"),
ConstList(self.subguards), EMPTY_MAP
])
raise Refused(self, atom, args)
def recv(self, atom, args):
if atom is _UNCALL_0:
from typhon.objects.collections.maps import EMPTY_MAP
from typhon.scopes.safe import theFinalSlotGuardMaker
return ConstList([theFinalSlotGuardMaker, StrObject(u"get"), ConstList([self.valueGuard]), EMPTY_MAP])
if atom is GETGUARD_0:
return self.valueGuard
if atom is COERCE_2:
return self.coerce(args[0], args[1])
if atom is SUPERSETOF_1:
s = args[0]
if isinstance(s, FinalSlot):
return self.valueGuard.call(u"supersetOf", [s._guard])
return wrapBool(False)
raise Refused(self, atom, args)
def recv(self, atom, args):
# _makeIterator/0: Create an iterator for this collection's contents.
if atom is _MAKEITERATOR_0:
return self._makeIterator()
if atom is _PRINTON_1:
printer = args[0]
self.printOn(printer)
return NullObject
# contains/1: Determine whether an element is in this collection.
if atom is CONTAINS_1:
return wrapBool(self.contains(args[0]))
# size/0: Get the number of elements in the collection.
if atom is SIZE_0:
return IntObject(self.size())
# slice/1 and slice/2: Select a subrange of this collection.
if atom is SLICE_1:
start = unwrapInt(args[0])
try:
return self.slice(start)
except IndexError:
raise userError(u"slice/1: Index out of bounds")
# slice/1 and slice/2: Select a subrange of this collection.
if atom is SLICE_2:
start = unwrapInt(args[0])
stop = unwrapInt(args[1])
try:
return self.slice(start, stop)
except IndexError:
raise userError(u"slice/1: Index out of bounds")
# snapshot/0: Create a new constant collection with a copy of the
# current collection's contents.
if atom is SNAPSHOT_0:
return self.snapshot()
if atom is JOIN_1:
l = unwrapList(args[0])
return self.join(l)
return self._recv(atom, args)
def recv(self, atom, args):
# _makeIterator/0: Create an iterator for this collection's contents.
if atom is _MAKEITERATOR_0:
return self._makeIterator()
if atom is _PRINTON_1:
printer = args[0]
self.printOn(printer)
return NullObject
# contains/1: Determine whether an element is in this collection.
if atom is CONTAINS_1:
return wrapBool(self.contains(args[0]))
# size/0: Get the number of elements in the collection.
if atom is SIZE_0:
return IntObject(self.size())
# slice/1 and slice/2: Select a subrange of this collection.
if atom is SLICE_1:
start = unwrapInt(args[0])
try:
return self.slice(start)
except IndexError:
raise userError(u"slice/1: Index out of bounds")
# slice/1 and slice/2: Select a subrange of this collection.
if atom is SLICE_2:
start = unwrapInt(args[0])
stop = unwrapInt(args[1])
try:
return self.slice(start, stop)
except IndexError:
raise userError(u"slice/1: Index out of bounds")
# snapshot/0: Create a new constant collection with a copy of the
# current collection's contents.
if atom is SNAPSHOT_0:
return self.snapshot()
if atom is JOIN_1:
l = unwrapList(args[0])
return self.join(l)
return self._recv(atom, args)
def recv(self, atom, args):
if atom is EXTRACTGUARD_2:
specimen, ej = args[0], args[1]
if specimen is self:
return anyGuard
elif isinstance(specimen, VarSlotGuard):
return specimen.valueGuard
else:
ej.call(u"run", [StrObject(u"Not a VarSlot guard")])
if atom is GETGUARD_0:
return NullObject
if atom is COERCE_2:
return self.coerce(args[0], args[1])
if atom is GET_1:
# XXX Coerce arg to Guard?
return VarSlotGuard(args[0])
if atom is SUPERSETOF_1:
return wrapBool(isinstance(args[0], VarSlotGuard) or isinstance(args[0], VarSlotGuardMaker))
raise Refused(self, atom, args)
def recv(self, atom, args):
if atom is _UNCALL_0:
from typhon.objects.collections.maps import EMPTY_MAP
from typhon.scopes.safe import theFinalSlotGuardMaker
return ConstList([
theFinalSlotGuardMaker,
StrObject(u"get"),
ConstList([self.valueGuard]), EMPTY_MAP
])
if atom is GETGUARD_0:
return self.valueGuard
if atom is COERCE_2:
return self.coerce(args[0], args[1])
if atom is SUPERSETOF_1:
s = args[0]
if isinstance(s, FinalSlot):
return self.valueGuard.call(u"supersetOf", [s._guard])
return wrapBool(False)
raise Refused(self, atom, args)
def recv(self, atom, args):
if atom is EXTRACTGUARD_2:
specimen, ej = args[0], args[1]
if specimen is self:
return anyGuard
elif isinstance(specimen, VarSlotGuard):
return specimen.valueGuard
else:
ej.call(u"run", [StrObject(u"Not a VarSlot guard")])
if atom is GETGUARD_0:
return NullObject
if atom is COERCE_2:
return self.coerce(args[0], args[1])
if atom is GET_1:
# XXX Coerce arg to Guard?
return VarSlotGuard(args[0])
if atom is SUPERSETOF_1:
return wrapBool(
isinstance(args[0], VarSlotGuard)
or isinstance(args[0], VarSlotGuardMaker))
raise Refused(self, atom, args)
def recv(self, atom, args):
if atom is COERCE_2:
return args[0]
if atom is SUPERSETOF_1:
return wrapBool(True)
if atom is EXTRACTGUARDS_2:
g = args[0]
ej = args[1]
if isinstance(g, AnyOfGuard):
return ConstList(g.subguards)
else:
ej.call(u"run", [StrObject(u"Not an AnyOf guard")])
if atom is GETMETHODS_0:
return ConstSet(monteSet())
if atom.verb == u"get":
return AnyOfGuard(args)
raise Refused(self, atom, args)
def recv(self, atom, args):
if atom is COERCE_2:
return args[0]
if atom is SUPERSETOF_1:
return wrapBool(True)
if atom is EXTRACTGUARDS_2:
g = args[0]
ej = args[1]
if isinstance(g, AnyOfGuard):
return ConstList(g.subguards)
else:
ej.call(u"run", [StrObject(u"Not an AnyOf guard")])
if atom is GETMETHODS_0:
return ConstSet(monteSet())
if atom.verb == u"get":
return AnyOfGuard(args)
raise Refused(self, atom, args)
def audit(self, audition):
from typhon.nodes import Noun, Method, Obj
from typhon.objects.equality import optSame, EQUAL
from typhon.objects.user import Audition
if not isinstance(audition, Audition):
raise userError(u"not invoked with an Audition")
ast = audition.ast
if not isinstance(ast, Obj):
raise userError(u"audition not created with an object expr")
methods = ast._script._methods
for m in methods:
if isinstance(m, Method) and m._verb == u"coerce":
mguard = m._g
if isinstance(mguard, Noun):
rGSG = audition.getGuard(mguard.name)
if isinstance(rGSG, FinalSlotGuard):
rGSG0 = rGSG.valueGuard
if isinstance(rGSG0, SameGuard):
resultGuard = rGSG0.value
if (optSame(resultGuard, self.superGuard)
is EQUAL or
(self.superGuard.call(u"supersetOf",
[resultGuard])
is wrapBool(True))):
return True
raise userError(
u"%s does not have a result guard implying "
u"%s, but %s" % (audition.fqn,
self.superGuard.toQuote(),
resultGuard.toQuote()))
raise userError(u"%s does not have a determinable "
u"result guard, but <& %s> :%s" % (
audition.fqn, mguard.name,
rGSG.toQuote()))
break
return False
def recv(self, atom, args):
if atom is COMBINE_1:
return self.combine(args[0])
if atom is GETSTARTCOL_0:
return self.getStartCol()
if atom is GETSTARTLINE_0:
return self.getStartLine()
if atom is GETENDCOL_0:
return self.getEndCol()
if atom is GETENDLINE_0:
return self.getEndLine()
if atom is ISONETOONE_0:
return self.isOneToOne()
if atom is NOTONETOONE_0:
return self.notOneToOne()
if atom is _UNCALL_0:
from typhon.objects.collections.lists import ConstList
from typhon.objects.collections.maps import EMPTY_MAP
return ConstList([
makeSourceSpan, StrObject(u"run"),
ConstList([wrapBool(self._isOneToOne), IntObject(self.startLine),
IntObject(self.startCol), IntObject(self.endLine),
IntObject(self.endCol)]), EMPTY_MAP])
raise Refused(self, atom, args)
def recv(self, atom, args):
# Ints can be compared to ints and also to doubles.
if atom is OP__CMP_1:
try:
other = unwrapInt(args[0])
return polyCmp(self._i, other)
except WrongType:
try:
other = unwrapBigInt(args[0])
# This has to be switched around.
if other.int_lt(self._i):
return IntObject(1)
elif other.int_gt(self._i):
return IntObject(-1)
else:
# Using a property of integers here.
return IntObject(0)
except WrongType:
other = unwrapDouble(args[0])
if math.isnan(other):
# Whoa there! Gotta watch out for those pesky NaNs.
return Incomparable
return polyCmp(self._i, other)
# Ints are usually used to store the results of comparisons.
if atom is ABOVEZERO_0:
return wrapBool(self._i > 0)
if atom is ATLEASTZERO_0:
return wrapBool(self._i >= 0)
if atom is ATMOSTZERO_0:
return wrapBool(self._i <= 0)
if atom is BELOWZERO_0:
return wrapBool(self._i < 0)
if atom is ISZERO_0:
return wrapBool(self._i == 0)
if atom is ADD_1:
other = args[0]
try:
i = unwrapInt(other)
return IntObject(ovfcheck(self._i + i))
except OverflowError:
i = unwrapInt(other)
return BigInt(rbigint.fromint(self._i).int_add(i))
except WrongType:
try:
# Addition commutes.
return BigInt(unwrapBigInt(other).int_add(self._i))
except WrongType:
return DoubleObject(self._i + unwrapDouble(other))
if atom is AND_1:
try:
other = unwrapInt(args[0])
return IntObject(self._i & other)
except WrongType:
other = unwrapBigInt(args[0])
return BigInt(other.int_and_(self._i))
if atom is APPROXDIVIDE_1:
# approxDivide/1: Promote both this int and its argument to
# double, then perform division.
d = float(self._i)
other = promoteToDouble(args[0])
try:
return DoubleObject(d / other)
except ZeroDivisionError:
# We tried to divide by zero.
return NaN
if atom is BITLENGTH_0:
# bitLength/0: The number of bits required to store this integer.
# Cribbed from PyPy.
return IntObject(self.bitLength())
if atom is COMPLEMENT_0:
return IntObject(~self._i)
if atom is FLOORDIVIDE_1:
try:
other = unwrapInt(args[0])
return IntObject(self._i // other)
except WrongType:
other = unwrapBigInt(args[0])
bi = rbigint.fromint(self._i)
return BigInt(bi.floordiv(other))
except ZeroDivisionError:
raise userError(u"Integer division by zero")
if atom is MAX_1:
other = unwrapInt(args[0])
return self if self._i > other else args[0]
if atom is MIN_1:
other = unwrapInt(args[0])
return self if self._i < other else args[0]
if atom is MODPOW_2:
exponent = unwrapInt(args[0])
modulus = unwrapInt(args[1])
try:
return self.intModPow(exponent, modulus)
except OverflowError:
return BigInt(rbigint.fromint(self._i).pow(rbigint.fromint(exponent),
rbigint.fromint(modulus)))
if atom is MOD_1:
other = unwrapInt(args[0])
return IntObject(self._i % other)
if atom is MULTIPLY_1:
other = args[0]
try:
i = unwrapInt(other)
return IntObject(ovfcheck(self._i * i))
except OverflowError:
i = unwrapInt(other)
return BigInt(rbigint.fromint(self._i).int_mul(i))
except WrongType:
try:
# Multiplication commutes.
return BigInt(unwrapBigInt(other).int_mul(self._i))
except WrongType:
return DoubleObject(self._i * unwrapDouble(other))
if atom is NEGATE_0:
return IntObject(-self._i)
if atom is NEXT_0:
return IntObject(self._i + 1)
if atom is OR_1:
try:
other = unwrapInt(args[0])
return IntObject(self._i | other)
except WrongType:
other = unwrapBigInt(args[0])
return BigInt(other.int_or_(self._i))
if atom is POW_1:
other = unwrapInt(args[0])
try:
return self.intPow(other)
except OverflowError:
return BigInt(rbigint.fromint(self._i).pow(rbigint.fromint(other)))
if atom is PREVIOUS_0:
return IntObject(self._i - 1)
if atom is SHIFTLEFT_1:
other = unwrapInt(args[0])
try:
if other >= LONG_BIT:
# Definite overflow won't always be detected by
# ovfcheck(). Raise manually in this case.
raise OverflowError
return IntObject(ovfcheck(self._i << other))
except OverflowError:
return BigInt(rbigint.fromint(self._i).lshift(other))
if atom is SHIFTRIGHT_1:
other = unwrapInt(args[0])
if other >= LONG_BIT:
# This'll underflow, returning who-knows-what when translated.
# To keep things reasonable, we define an int that has been
# right-shifted past word width to be 0, since every bit has
# been shifted off.
return IntObject(0)
return IntObject(self._i >> other)
if atom is SUBTRACT_1:
other = args[0]
try:
i = unwrapInt(other)
return IntObject(ovfcheck(self._i - i))
except OverflowError:
i = unwrapInt(other)
return BigInt(rbigint.fromint(self._i).int_sub(i))
except WrongType:
try:
# Subtraction doesn't commute, so we have to work a little
# harder.
bi = unwrapBigInt(other)
return BigInt(rbigint.fromint(self._i).sub(bi))
except WrongType:
return DoubleObject(self._i - unwrapDouble(other))
if atom is XOR_1:
try:
other = unwrapInt(args[0])
return IntObject(self._i ^ other)
except WrongType:
other = unwrapBigInt(args[0])
return BigInt(other.int_xor(self._i))
raise Refused(self, atom, args)
def isOneToOne(self):
return wrapBool(self._isOneToOne)
def recv(self, atom, args):
if atom is ADD_1:
other = args[0]
if isinstance(other, BytesObject):
return BytesObject(self._bs + other._bs)
if isinstance(other, IntObject):
return BytesObject(self._bs + str(chr(other._i)))
if atom is ASLIST_0:
from typhon.objects.collections.lists import ConstList
return ConstList(self.asList())
if atom is ASSET_0:
from typhon.objects.collections.sets import ConstSet
return ConstSet(self.asSet())
if atom is CONTAINS_1:
needle = args[0]
if isinstance(needle, IntObject):
return wrapBool(chr(needle._i) in self._bs)
if isinstance(needle, BytesObject):
return wrapBool(needle._bs in self._bs)
if atom is GET_1:
index = unwrapInt(args[0])
if not 0 <= index < len(self._bs):
raise userError(u"string.get/1: Index out of bounds: %d" %
index)
return IntObject(ord(self._bs[index]))
if atom is INDEXOF_1:
needle = unwrapBytes(args[0])
return IntObject(self._bs.find(needle))
if atom is INDEXOF_2:
needle = unwrapBytes(args[0])
offset = unwrapInt(args[1])
if offset < 0:
raise userError(u"indexOf/2: Negative offset %d not supported"
% offset)
return IntObject(self._bs.find(needle, offset))
if atom is JOIN_1:
from typhon.objects.collections.lists import unwrapList
return BytesObject(self.join(unwrapList(args[0])))
if atom is LASTINDEXOF_1:
needle = unwrapBytes(args[0])
return IntObject(self._bs.rfind(needle))
if atom is MULTIPLY_1:
amount = args[0]
if isinstance(amount, IntObject):
return BytesObject(self._bs * amount._i)
if atom is OP__CMP_1:
return polyCmp(self._bs, unwrapBytes(args[0]))
if atom is REPLACE_2:
return BytesObject(replace(self._bs,
unwrapBytes(args[0]),
unwrapBytes(args[1])))
if atom is SIZE_0:
return IntObject(len(self._bs))
if atom is SLICE_1:
start = unwrapInt(args[0])
if start < 0:
raise userError(u"Slice start cannot be negative")
return BytesObject(self._bs[start:])
if atom is SLICE_2:
start = unwrapInt(args[0])
stop = unwrapInt(args[1])
if start < 0:
raise userError(u"Slice start cannot be negative")
if stop < 0:
raise userError(u"Slice stop cannot be negative")
return BytesObject(self._bs[start:stop])
if atom is SPLIT_1:
from typhon.objects.collections.lists import ConstList
return ConstList(self.split(unwrapBytes(args[0])))
if atom is SPLIT_2:
from typhon.objects.collections.lists import ConstList
return ConstList(self.split(unwrapBytes(args[0]),
unwrapInt(args[1])))
if atom is TOLOWERCASE_0:
return BytesObject(self.toLowerCase())
if atom is TOUPPERCASE_0:
return BytesObject(self.toUpperCase())
if atom is TRIM_0:
return BytesObject(self.trim())
if atom is WITH_1:
return BytesObject(self._bs + chr(unwrapInt(args[0])))
if atom is _MAKEITERATOR_0:
return bytesIterator(self._bs)
raise Refused(self, atom, args)
def recv(self, atom, args):
# Doubles can be compared.
if atom is OP__CMP_1:
other = promoteToDouble(args[0])
# NaN cannot compare equal to any float.
if math.isnan(self._d) or math.isnan(other):
return Incomparable
return polyCmp(self._d, other)
# Doubles are related to zero.
if atom is ABOVEZERO_0:
return wrapBool(self._d > 0.0)
if atom is ATLEASTZERO_0:
return wrapBool(self._d >= 0.0)
if atom is ATMOSTZERO_0:
return wrapBool(self._d <= 0.0)
if atom is BELOWZERO_0:
return wrapBool(self._d < 0.0)
if atom is ISZERO_0:
return wrapBool(self._d == 0.0)
if atom is ABS_0:
return DoubleObject(abs(self._d))
if atom is ADD_1:
return self.add(args[0])
if atom is FLOOR_0:
return IntObject(int(self._d))
if atom is MULTIPLY_1:
return self.mul(args[0])
if atom is NEGATE_0:
return DoubleObject(-self._d)
if atom is SQRT_0:
return DoubleObject(math.sqrt(self._d))
if atom is SUBTRACT_1:
return self.subtract(args[0])
if atom is APPROXDIVIDE_1:
divisor = promoteToDouble(args[0])
return DoubleObject(self._d / divisor)
# Logarithms.
if atom is LOG_0:
return DoubleObject(math.log(self._d))
if atom is LOG_1:
base = promoteToDouble(args[0])
return DoubleObject(math.log(self._d) / math.log(base))
# Trigonometry.
if atom is SIN_0:
return DoubleObject(math.sin(self._d))
if atom is COS_0:
return DoubleObject(math.cos(self._d))
if atom is TAN_0:
return DoubleObject(math.tan(self._d))
if atom is TOBYTES_0:
result = []
pack_float(result, self._d, 8, True)
return BytesObject(result[0])
raise Refused(self, atom, args)
def testUnwrapBoolPromise(self):
with scopedVat(testingVat()):
p = makeNear(wrapBool(False))
self.assertFalse(unwrapBool(p))
def recv(self, atom, args):
from typhon.objects.collections.lists import ConstList
# _makeIterator/0: Create an iterator for this collection's contents.
if atom is _MAKEITERATOR_0:
return self._makeIterator()
if atom is _PRINTON_1:
printer = args[0]
self.printOn(printer)
return NullObject
if atom is _UNCALL_0:
from typhon.objects.collections.maps import EMPTY_MAP
# [1,2,3].asSet() -> [[1,2,3], "asSet"]
rv = ConstList(self.objectSet.keys())
return ConstList([rv, StrObject(u"asSet"), ConstList([]),
EMPTY_MAP])
# contains/1: Determine whether an element is in this collection.
if atom is CONTAINS_1:
return wrapBool(self.contains(args[0]))
# size/0: Get the number of elements in the collection.
if atom is SIZE_0:
return IntObject(self.size())
# slice/1 and slice/2: Select a subrange of this collection.
if atom is SLICE_1:
start = unwrapInt(args[0])
try:
return self.slice(start)
except IndexError:
raise userError(u"slice/1: Index out of bounds")
# slice/1 and slice/2: Select a subrange of this collection.
if atom is SLICE_2:
start = unwrapInt(args[0])
stop = unwrapInt(args[1])
try:
return self.slice(start, stop)
except IndexError:
raise userError(u"slice/1: Index out of bounds")
# snapshot/0: Create a new constant collection with a copy of the
# current collection's contents.
if atom is SNAPSHOT_0:
return self.snapshot()
if atom is ASSET_0:
return self
if atom is DIVERGE_0:
_flexSet = getGlobal(u"_flexSet").getValue()
return _flexSet.call(u"run", [self])
if atom is AND_1:
return self._and(args[0])
# or/1: Unify the elements of this collection with another.
if atom is OR_1:
return self._or(args[0])
# XXX Decide if we follow python-style '-' or E-style '&!' here.
if atom is SUBTRACT_1:
return self.subtract(args[0])
if atom is ASLIST_0:
return ConstList(self.objectSet.keys())
if atom is BUTNOT_1:
return self.subtract(args[0])
if atom is WITH_1:
key = args[0]
d = self.objectSet.copy()
d[key] = None
return ConstSet(d)
if atom is WITHOUT_1:
key = args[0]
d = self.objectSet.copy()
# Ignore the case where the key wasn't in the map.
if key in d:
del d[key]
return ConstSet(d)
if atom is INCLUDE_1:
key = args[0]
self.include(key)
return NullObject
if atom is REMOVE_1:
key = args[0]
self.remove(key)
return NullObject
if atom is POP_0:
return self.pop()
raise Refused(self, atom, args)
def recv(self, atom, args):
if atom is RUN_1:
return wrapBool(self.resolver.smash(args[0]))
raise Refused(self, atom, args)
def recv(self, atom, args):
if atom is BROKEN_1:
return self.broken(args[0])
if atom is FULFILLMENT_1:
return self.fulfillment(args[0])
if atom is ISBROKEN_1:
return wrapBool(self.isBroken(args[0]))
if atom is ISDEEPFROZEN_1:
return wrapBool(self.isDeepFrozen(args[0]))
if atom is ISEVENTUAL_1:
return wrapBool(self.isEventual(args[0]))
if atom is ISNEAR_1:
return wrapBool(self.isNear(args[0]))
if atom is ISFAR_1:
return wrapBool(self.isFar(args[0]))
if atom is ISRESOLVED_1:
return wrapBool(isResolved(args[0]))
if atom is ISSELFISH_1:
return wrapBool(self.isSelfish(args[0]))
if atom is ISSELFLESS_1:
return wrapBool(self.isSelfless(args[0]))
if atom is ISSETTLED_1:
from typhon.objects.equality import isSettled
return wrapBool(isSettled(args[0]))
if atom is MAKEPROXY_3:
from typhon.objects.proxy import makeProxy
return makeProxy(args[0], args[1], args[2])
if atom is OPTPROBLEM_1:
ref = args[0]
if isinstance(ref, Promise):
return ref.optProblem()
return NullObject
if atom is PROMISE_0:
return self.promise()
# Inlined for name clash reasons.
if atom is STATE_1:
o = args[0]
if isinstance(o, Promise):
s = o.state()
else:
s = NEAR
return StrObject(s.repr)
if atom is WHENBROKEN_2:
return self.whenBroken(args[0], args[1])
if atom is WHENRESOLVED_2:
return self.whenResolved(args[0], args[1])
if atom is WHENRESOLVEDONLY_2:
return self.whenResolvedOnly(args[0], args[1])
raise Refused(self, atom, args)
def deepFrozenSupersetOf(guard):
from typhon.objects.collections.helpers import monteMap
from typhon.objects.collections.lists import unwrapList
from typhon.objects.constants import wrapBool
from typhon.objects.ejectors import Ejector
from typhon.objects.refs import Promise
from typhon.objects.guards import (AnyOfGuard, BoolGuard, BytesGuard,
CharGuard, DoubleGuard, FinalSlotGuard,
IntGuard, SameGuard, StrGuard,
SubrangeGuard, VoidGuard)
from typhon.prelude import getGlobalValue
if guard is deepFrozenGuard:
return True
if guard is deepFrozenStamp:
return True
if isinstance(guard, Promise):
guard = guard.resolution()
if isinstance(guard, BoolGuard):
return True
if isinstance(guard, BytesGuard):
return True
if isinstance(guard, CharGuard):
return True
if isinstance(guard, DoubleGuard):
return True
if isinstance(guard, IntGuard):
return True
if isinstance(guard, StrGuard):
return True
if isinstance(guard, VoidGuard):
return True
if isinstance(guard, SameGuard):
with Ejector() as ej:
try:
v = guard.value
checkDeepFrozen(v, monteMap(), ej, v)
return True
except Ejecting:
return False
if isinstance(guard, FinalSlotGuard):
return deepFrozenSupersetOf(guard.valueGuard)
for superGuardName in [u"List", u"NullOk", u"Set"]:
superGuard = getGlobalValue(superGuardName)
if superGuard is None:
continue
with Ejector() as ej:
try:
subGuard = superGuard.call(u"extractGuard", [guard, ej])
return deepFrozenSupersetOf(subGuard)
except Ejecting as e:
# Just keep going.
if e.ejector is not ej:
raise
for pairGuardName in [u"Map", u"Pair"]:
pairGuard = getGlobalValue(pairGuardName)
if pairGuard is None:
continue
with Ejector() as ej:
try:
guardPair = pairGuard.call(u"extractGuards", [guard, ej])
l = unwrapList(guardPair, ej)
if len(l) == 2:
return deepFrozenSupersetOf(l[0]) and deepFrozenSupersetOf(
l[1])
except Ejecting as e:
if e.ejector is not ej:
raise
if (SubrangeGuard(deepFrozenGuard).call(u"passes", [guard]) is
wrapBool(True)):
return True
if isinstance(guard, AnyOfGuard):
for g in guard.subguards:
if not deepFrozenSupersetOf(g):
return False
return True
return False
def isDone(self):
return wrapBool(self._ref is None)
def optSame(self, first, second):
result = optSame(first, second)
if result is NOTYET:
return NullObject
return wrapBool(result is EQUAL)
def callAtom(self, atom, arguments, namedArgsMap):
"""
This method is used to reuse atoms without having to rebuild them.
"""
from typhon.objects.collections.maps import EMPTY_MAP
# Promote the atom, on the basis that atoms are generally reused.
atom = promote(atom)
# Log the atom to the JIT log. Don't do this if the atom's not
# promoted; it'll be slow.
jit_debug(atom.repr)
try:
return self.recvNamed(atom, arguments, namedArgsMap)
except Refused as r:
# This block of method implementations is Typhon's Miranda
# protocol. ~ C.
if atom is _CONFORMTO_1:
# Welcome to _conformTo/1.
# to _conformTo(_): return self
return self
if atom is _GETALLEGEDINTERFACE_0:
# Welcome to _getAllegedInterface/0.
interface = self.optInterface()
if interface is None:
from typhon.objects.interfaces import ComputedInterface
interface = ComputedInterface(self)
return interface
if atom is _PRINTON_1:
# Welcome to _printOn/1.
from typhon.objects.constants import NullObject
self.printOn(arguments[0])
return NullObject
if atom is _RESPONDSTO_2:
from typhon.objects.constants import wrapBool
from typhon.objects.data import unwrapInt, unwrapStr
verb = unwrapStr(arguments[0])
arity = unwrapInt(arguments[1])
atom = getAtom(verb, arity)
result = (atom in self.respondingAtoms()
or atom in mirandaAtoms)
return wrapBool(result)
if atom is _SEALEDDISPATCH_1:
# to _sealedDispatch(_): return null
from typhon.objects.constants import NullObject
return NullObject
if atom is _UNCALL_0:
from typhon.objects.constants import NullObject
return NullObject
if atom is _WHENMORERESOLVED_1:
# Welcome to _whenMoreResolved.
# This method's implementation, in Monte, should be:
# to _whenMoreResolved(callback): callback<-(self)
from typhon.vats import currentVat
vat = currentVat.get()
vat.sendOnly(arguments[0], RUN_1, [self], EMPTY_MAP)
from typhon.objects.constants import NullObject
return NullObject
addTrail(r, self, atom, arguments)
raise
except UserException as ue:
addTrail(ue, self, atom, arguments)
raise
except MemoryError:
ue = userError(u"Memory corruption or exhausted heap")
addTrail(ue, self, atom, arguments)
raise ue
except StackOverflow:
check_stack_overflow()
ue = userError(u"Stack overflow")
addTrail(ue, self, atom, arguments)
raise ue
def recv(self, atom, args):
from typhon.objects.constants import wrapBool
if atom is AUDIT_1:
return wrapBool(True)
raise Refused(self, atom, args)
def deepFrozenSupersetOf(guard):
from typhon.objects.collections.helpers import monteMap
from typhon.objects.collections.lists import ConstList
from typhon.objects.constants import wrapBool
from typhon.objects.ejectors import Ejector
from typhon.objects.refs import Promise
from typhon.objects.guards import (
AnyOfGuard, BoolGuard, BytesGuard, CharGuard, DoubleGuard,
FinalSlotGuard, IntGuard, SameGuard, StrGuard, SubrangeGuard,
VoidGuard)
from typhon.prelude import getGlobalValue
if guard is deepFrozenGuard:
return True
if guard is deepFrozenStamp:
return True
if isinstance(guard, Promise):
guard = guard.resolution()
if isinstance(guard, BoolGuard):
return True
if isinstance(guard, BytesGuard):
return True
if isinstance(guard, CharGuard):
return True
if isinstance(guard, DoubleGuard):
return True
if isinstance(guard, IntGuard):
return True
if isinstance(guard, StrGuard):
return True
if isinstance(guard, VoidGuard):
return True
if isinstance(guard, SameGuard):
ej = Ejector()
try:
v = guard.value
checkDeepFrozen(v, monteMap(), ej, v)
return True
except Ejecting:
return False
if isinstance(guard, FinalSlotGuard):
return deepFrozenSupersetOf(guard.valueGuard)
for superGuardName in [u"List", u"NullOk", u"Set"]:
superGuard = getGlobalValue(superGuardName)
if superGuard is None:
continue
ej = Ejector()
try:
subGuard = superGuard.call(u"extractGuard", [guard, ej])
return deepFrozenSupersetOf(subGuard)
except Ejecting:
# XXX lets other ejectors get through
pass
for pairGuardName in [u"Map", u"Pair"]:
pairGuard = getGlobalValue(pairGuardName)
if pairGuard is None:
continue
ej = Ejector()
try:
guardPair = pairGuard.call(u"extractGuards", [guard, ej])
if isinstance(guardPair, ConstList) and guardPair.size() == 2:
return (
(deepFrozenSupersetOf(guardPair.strategy.fetch(
guardPair, 0))) and
(deepFrozenSupersetOf(guardPair.strategy.fetch(
guardPair, 1))))
except Ejecting:
# XXX lets other ejectors get through
pass
if (SubrangeGuard(deepFrozenGuard).call(u"passes", [guard])
is wrapBool(True)):
return True
if isinstance(guard, AnyOfGuard):
for g in guard.subguards:
if not deepFrozenSupersetOf(g):
return False
return True
return False
def recv(self, atom, args):
from typhon.objects.constants import wrapBool
if atom is AUDIT_1:
return wrapBool(True)
raise Refused(self, atom, args)
def deepFrozenSupersetOf(guard):
from typhon.objects.collections.helpers import monteMap
from typhon.objects.collections.lists import ConstList
from typhon.objects.constants import wrapBool
from typhon.objects.ejectors import Ejector
from typhon.objects.refs import Promise
from typhon.objects.guards import (
AnyOfGuard, BoolGuard, BytesGuard, CharGuard, DoubleGuard,
FinalSlotGuard, IntGuard, SameGuard, StrGuard, SubrangeGuard,
VoidGuard)
from typhon.prelude import getGlobalValue
if guard is deepFrozenGuard:
return True
if guard is deepFrozenStamp:
return True
if isinstance(guard, Promise):
guard = guard.resolution()
if isinstance(guard, BoolGuard):
return True
if isinstance(guard, BytesGuard):
return True
if isinstance(guard, CharGuard):
return True
if isinstance(guard, DoubleGuard):
return True
if isinstance(guard, IntGuard):
return True
if isinstance(guard, StrGuard):
return True
if isinstance(guard, VoidGuard):
return True
if isinstance(guard, SameGuard):
ej = Ejector()
try:
v = guard.value
checkDeepFrozen(v, monteMap(), ej, v)
return True
except Ejecting:
return False
if isinstance(guard, FinalSlotGuard):
return deepFrozenSupersetOf(guard.valueGuard)
for superGuardName in [u"List", u"NullOk", u"Set"]:
superGuard = getGlobalValue(superGuardName)
if superGuard is None:
continue
ej = Ejector()
try:
subGuard = superGuard.call(u"extractGuard", [guard, ej])
return deepFrozenSupersetOf(subGuard)
except Ejecting:
# XXX lets other ejectors get through
pass
for pairGuardName in [u"Map", u"Pair"]:
pairGuard = getGlobalValue(pairGuardName)
if pairGuard is None:
continue
ej = Ejector()
try:
guardPair = pairGuard.call(u"extractGuards", [guard, ej])
if isinstance(guardPair, ConstList) and guardPair.size() == 2:
return (
(deepFrozenSupersetOf(guardPair.strategy.fetch(
guardPair, 0))) and
(deepFrozenSupersetOf(guardPair.strategy.fetch(
guardPair, 1))))
except Ejecting:
# XXX lets other ejectors get through
pass
if (SubrangeGuard(deepFrozenGuard).call(u"passes", [guard])
is wrapBool(True)):
return True
if isinstance(guard, AnyOfGuard):
for g in guard.subguards:
if not deepFrozenSupersetOf(g):
return False
return True
return False
def testResolveNear(self):
with scopedVat(testingVat()):
p = makeNear(wrapBool(False))
self.assertFalse(resolution(p).isTrue())
