コード例 #1
0
        def _getsetitem_gen(getset):
            _dunder_meth = "__%s__" % getset
            op = getattr(operator, getset)

            @templates.infer_global(op)
            class GetSetItem(templates.AbstractTemplate):
                def generic(self, args, kws):
                    instance = args[0]
                    if isinstance(instance, types.ClassInstanceType) and \
                            _dunder_meth in instance.jitmethods:
                        meth = instance.jitmethods[_dunder_meth]
                        disp_type = types.Dispatcher(meth)
                        sig = disp_type.get_call_type(self.context, args, kws)
                        return sig

            # lower both {g,s}etitem and __{g,s}etitem__ to catch the calls
            # from python and numba
            imputils.lower_builtin((types.ClassInstanceType, _dunder_meth),
                                   types.ClassInstanceType,
                                   types.VarArg(types.Any))(get_imp())
            imputils.lower_builtin(op, types.ClassInstanceType,
                                   types.VarArg(types.Any))(get_imp())
コード例 #2
0
    def generic(self, args, kws):
        """
        Type the intrinsic by the arguments.
        """
        from numba.targets.imputils import lower_builtin

        cache_key = self.context, args, tuple(kws.items())
        try:
            return self._impl_cache[cache_key]
        except KeyError:
            result = self._definition_func(self.context, *args, **kws)
            if result is None:
                return
            [sig, imp] = result
            pysig = utils.pysignature(self._definition_func)
            # omit context argument from user function
            parameters = list(pysig.parameters.values())[1:]
            sig.pysig = pysig.replace(parameters=parameters)
            self._impl_cache[cache_key] = sig
            self._overload_cache[sig.args] = imp
            # register the lowering
            lower_builtin(imp, *sig.args)(imp)
            return sig
コード例 #3
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ファイル: templates.py プロジェクト: yuguen/numba
    def generic(self, args, kws):
        """
        Type the intrinsic by the arguments.
        """
        from numba.targets.imputils import lower_builtin

        cache_key = self.context, args, tuple(kws.items())
        try:
            return self._impl_cache[cache_key]
        except KeyError:
            result = self._definition_func(self.context, *args, **kws)
            if result is None:
                return
            [sig, imp] = result
            pysig = utils.pysignature(self._definition_func)
            # omit context argument from user function
            parameters = list(pysig.parameters.values())[1:]
            sig.pysig = pysig.replace(parameters=parameters)
            self._impl_cache[cache_key] = sig
            self._overload_cache[sig.args] = imp
            # register the lowering
            lower_builtin(imp, *sig.args)(imp)
            return sig
コード例 #4
0
ファイル: base.py プロジェクト: numba/numba
        def _getsetitem_gen(getset):
            _dunder_meth = "__%s__" % getset
            op = getattr(operator, getset)

            @templates.infer_global(op)
            class GetSetItem(templates.AbstractTemplate):
                def generic(self, args, kws):
                    instance = args[0]
                    if isinstance(instance, types.ClassInstanceType) and \
                            _dunder_meth in instance.jitmethods:
                        meth = instance.jitmethods[_dunder_meth]
                        disp_type = types.Dispatcher(meth)
                        sig = disp_type.get_call_type(self.context, args, kws)
                        return sig

            # lower both {g,s}etitem and __{g,s}etitem__ to catch the calls
            # from python and numba
            imputils.lower_builtin((types.ClassInstanceType, _dunder_meth),
                                   types.ClassInstanceType,
                                   types.VarArg(types.Any))(get_imp())
            imputils.lower_builtin(op,
                                   types.ClassInstanceType,
                                   types.VarArg(types.Any))(get_imp())
コード例 #5
0
ファイル: npdatetime.py プロジェクト: synapticarbors/numba
timedelta_eq_timedelta_impl = _create_timedelta_comparison_impl(
    lc.ICMP_EQ, cgutils.false_bit)
timedelta_ne_timedelta_impl = _create_timedelta_comparison_impl(
    lc.ICMP_NE, cgutils.true_bit)
timedelta_lt_timedelta_impl = _create_timedelta_ordering_impl(lc.ICMP_SLT)
timedelta_le_timedelta_impl = _create_timedelta_ordering_impl(lc.ICMP_SLE)
timedelta_gt_timedelta_impl = _create_timedelta_ordering_impl(lc.ICMP_SGT)
timedelta_ge_timedelta_impl = _create_timedelta_ordering_impl(lc.ICMP_SGE)

for op, func in [('==', timedelta_eq_timedelta_impl),
                 ('!=', timedelta_ne_timedelta_impl),
                 ('<', timedelta_lt_timedelta_impl),
                 ('<=', timedelta_le_timedelta_impl),
                 ('>', timedelta_gt_timedelta_impl),
                 ('>=', timedelta_ge_timedelta_impl)]:
    lower_builtin(op, *TIMEDELTA_BINOP_SIG)(func)

# Arithmetic on datetime64


def is_leap_year(builder, year_val):
    """
    Return a predicate indicating whether *year_val* (offset by 1970) is a
    leap year.
    """
    actual_year = builder.add(year_val, Constant.int(DATETIME64, 1970))
    multiple_of_4 = cgutils.is_null(
        builder, builder.and_(actual_year, Constant.int(DATETIME64, 3)))
    not_multiple_of_100 = cgutils.is_not_null(
        builder, builder.srem(actual_year, Constant.int(DATETIME64, 100)))
    multiple_of_400 = cgutils.is_null(
コード例 #6
0
ファイル: npdatetime.py プロジェクト: nikete/numba

timedelta_eq_timedelta_impl = _create_timedelta_comparison_impl(lc.ICMP_EQ, cgutils.false_bit)
timedelta_ne_timedelta_impl = _create_timedelta_comparison_impl(lc.ICMP_NE, cgutils.true_bit)
timedelta_lt_timedelta_impl = _create_timedelta_ordering_impl(lc.ICMP_SLT)
timedelta_le_timedelta_impl = _create_timedelta_ordering_impl(lc.ICMP_SLE)
timedelta_gt_timedelta_impl = _create_timedelta_ordering_impl(lc.ICMP_SGT)
timedelta_ge_timedelta_impl = _create_timedelta_ordering_impl(lc.ICMP_SGE)

for op, func in [('==', timedelta_eq_timedelta_impl),
                 ('!=', timedelta_ne_timedelta_impl),
                 ('<',  timedelta_lt_timedelta_impl),
                 ('<=', timedelta_le_timedelta_impl),
                 ('>',  timedelta_gt_timedelta_impl),
                 ('>=', timedelta_ge_timedelta_impl)]:
    lower_builtin(op, *TIMEDELTA_BINOP_SIG)(func)


# Arithmetic on datetime64

def is_leap_year(builder, year_val):
    """
    Return a predicate indicating whether *year_val* (offset by 1970) is a
    leap year.
    """
    actual_year = builder.add(year_val, Constant.int(DATETIME64, 1970))
    multiple_of_4 = cgutils.is_null(
        builder, builder.and_(actual_year, Constant.int(DATETIME64, 3)))
    not_multiple_of_100 = cgutils.is_not_null(
        builder, builder.srem(actual_year, Constant.int(DATETIME64, 100)))
    multiple_of_400 = cgutils.is_null(