def get_constant_struct(self, builder, ty, val): # override for converting literals to *Vals, incl. None if ty in self._impala_types and val is None: iv = TYPE_LAYOUT[ty](self, builder) _set_is_null(builder, iv, cgutils.true_bit) return iv._getvalue() elif ty == BooleanVal: const = lc.Constant.int(lc.Type.int(8), val) return BooleanVal_ctor(self, builder, None, [const]) elif ty == TinyIntVal: const = lc.Constant.int(lc.Type.int(8), val) return TinyIntVal_ctor(self, builder, None, [const]) elif ty == SmallIntVal: const = lc.Constant.int(lc.Type.int(16), val) return SmallIntVal_ctor(self, builder, None, [const]) elif ty == IntVal: const = lc.Constant.int(lc.Type.int(32), val) return IntVal_ctor(self, builder, None, [const]) elif ty == BigIntVal: const = lc.Constant.int(lc.Type.int(64), val) return BigIntVal_ctor(self, builder, None, [const]) elif ty == FloatVal: const = lc.Constant.real(lc.Type.float(), val) return FloatVal_ctor(self, builder, None, [const]) elif ty == DoubleVal: const = lc.Constant.real(lc.Type.double(), val) return DoubleVal_ctor(self, builder, None, [const]) elif ty == StringVal: iv = StringValStruct(self, builder) _set_is_null(builder, iv, cgutils.false_bit) iv.len = lc.Constant.int(lc.Type.int(32), len(val)) iv.ptr = self.get_constant_string(builder, ntypes.string, val) return iv._getvalue() else: return super(ImpalaTargetContext, self).get_constant_struct(builder, ty, val)
def raise_return_type(context, builder, ty, val): if ty == BooleanVal: bv = BooleanValStruct(context, builder) is_null = builder.trunc(val, lc.Type.int(8)) _set_is_null(builder, bv, is_null) shifted = builder.lshr(val, lc.Constant.int(lc.Type.int(16), 8)) bv.val = builder.trunc(shifted, lc.Type.int(8)) return bv._getvalue() elif ty == TinyIntVal: tiv = TinyIntValStruct(context, builder) is_null = builder.trunc(val, lc.Type.int(8)) _set_is_null(builder, tiv, is_null) shifted = builder.lshr(val, lc.Constant.int(lc.Type.int(16), 8)) tiv.val = builder.trunc(shifted, lc.Type.int(8)) return tiv._getvalue() elif ty == SmallIntVal: siv = SmallIntValStruct(context, builder) is_null = builder.trunc(val, lc.Type.int(8)) _set_is_null(builder, siv, is_null) shifted = builder.lshr(val, lc.Constant.int(lc.Type.int(32), 16)) siv.val = builder.trunc(shifted, lc.Type.int(16)) return siv._getvalue() elif ty == IntVal: iv = IntValStruct(context, builder) is_null = builder.trunc(val, lc.Type.int(8)) _set_is_null(builder, iv, is_null) shifted = builder.lshr(val, lc.Constant.int(lc.Type.int(64), 32)) iv.val = builder.trunc(shifted, lc.Type.int(32)) return iv._getvalue() elif ty == BigIntVal: biv = BigIntValStruct(context, builder) is_null = builder.extract_value(val, 0) _set_is_null(builder, biv, is_null) biv.val = builder.extract_value(val, 1) return biv._getvalue() elif ty == FloatVal: fv = FloatValStruct(context, builder) is_null = builder.trunc(val, lc.Type.int(8)) _set_is_null(builder, fv, is_null) shifted = builder.lshr(val, lc.Constant.int(lc.Type.int(64), 32)) truncated = builder.trunc(shifted, lc.Type.int(32)) fv.val = builder.bitcast(truncated, lc.Type.float()) return fv._getvalue() elif ty == DoubleVal: dv = DoubleValStruct(context, builder) is_null = builder.extract_value(val, 0) _set_is_null(builder, dv, is_null) dv.val = builder.extract_value(val, 1) return dv._getvalue() elif ty == StringVal: sv = StringValStruct(context, builder) packed = builder.extract_value(val, 0) is_null = builder.trunc(packed, lc.Type.int(8)) _set_is_null(builder, sv, is_null) shifted = builder.lshr(packed, lc.Constant.int(lc.Type.int(64), 32)) sv.len = builder.trunc(shifted, lc.Type.int(32)) sv.ptr = builder.extract_value(val, 1) return sv._getvalue() else: return val
def StringVal_ctor(context, builder, sig, args): """StringVal(ntypes.string)""" [x] = args iv = StringValStruct(context, builder) _set_is_null(builder, iv, cgutils.false_bit) fndesc = lowering.ExternalFunctionDescriptor('strlen', ntypes.uintp, [ntypes.CPointer(ntypes.char)]) func = context.declare_external_function(cgutils.get_module(builder), fndesc) strlen_x = context.call_external_function(builder, func, fndesc.argtypes, [x]) len_x = builder.trunc(strlen_x, lc.Type.int(32)) iv.len = len_x iv.ptr = x return iv._getvalue()
def StringVal_ctor(context, builder, sig, args): """StringVal(ntypes.string)""" [x] = args iv = StringValStruct(context, builder) _set_is_null(builder, iv, cgutils.false_bit) fndesc = lowering.ExternalFunctionDescriptor( 'strlen', ntypes.uintp, [ntypes.CPointer(ntypes.char)]) func = context.declare_external_function(cgutils.get_module(builder), fndesc) strlen_x = context.call_external_function(builder, func, fndesc.argtypes, [x]) len_x = builder.trunc(strlen_x, lc.Type.int(32)) iv.len = len_x iv.ptr = x return iv._getvalue()