xref: /aosp_15_r20/external/emboss/runtime/cpp/generators/all_known.py (revision 99e0aae7469b87d12f0ad23e61142c2d74c1ef70) 
1#!/usr/bin/python3
2
3# Copyright 2020 Google LLC
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#     https://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17# Generator for emboss_arithmetic_all_known_generated.h.
18
19# Maximum number of explicit arguments in the recursive overloads.  This script
20# will generate overloads for 1...OVERLOADS-1 arguments, plus a special overload
21# that handles >=OVERLOADS arguments using a variadic template.
22OVERLOADS = 64
23
24# Copyright header in the generated code complies with Google policies.
25print("""// Copyright 2020 Google LLC
26//
27// Licensed under the Apache License, Version 2.0 (the "License");
28// you may not use this file except in compliance with the License.
29// You may obtain a copy of the License at
30//
31//     https://www.apache.org/licenses/LICENSE-2.0
32//
33// Unless required by applicable law or agreed to in writing, software
34// distributed under the License is distributed on an "AS IS" BASIS,
35// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
36// See the License for the specific language governing permissions and
37// limitations under the License.
38
39// GENERATED CODE.  DO NOT EDIT.  REGENERATE WITH
40// runtime/cpp/generators/all_known.py""")
41
42for i in range(1, OVERLOADS + 1):
43  print("""
44template <{}>
45inline constexpr bool AllKnown({}) {{
46  return {};
47}}""".format(
48    ", ".join(["typename T{}".format(n) for n in range(i)] +
49              (["typename... RestT"] if i == OVERLOADS else [])),
50    ", ".join(["T{} v{}".format(n, n) for n in range(i)] +
51              (["RestT... rest"] if i == OVERLOADS else [])),
52    " && ".join(["v{}.Known()".format(n) for n in range(i)] +
53                (["AllKnown(rest...)"] if i == OVERLOADS else []))))
54
55