1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
# Copyright 2022 Google LLC. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the License);
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""kt_traverse_exports visitor for identifying forbidden deps of Kotlin rules.
Currently this system recognizes:
- nano protos
- targets in forbidden packages
- targets exporting other forbidden targets
"""
load("@bazel_skylib//lib:sets.bzl", "sets")
load("//bazel:stubs.bzl", "EXEMPT_DEPS", "FORBIDDEN_DEP_PACKAGES")
def _error(target, msg):
return (str(target.label), msg)
def _is_exempt(target):
return sets.contains(EXEMPT_DEPS, str(target.label))
def _check_forbidden(target, ctx_rule):
if _is_exempt(target):
return []
if sets.contains(FORBIDDEN_DEP_PACKAGES, target.label.package):
return [_error(target, "Forbidden package")]
# Identify nano protos using tag (b/122083175)
for tag in ctx_rule.attr.tags:
if "nano_proto_library" == tag:
return [_error(target, "nano_proto_library")]
return []
def _if_not_checked(target):
return [] if _is_exempt(target) else [_error(target, "Not checked")]
def _validate_deps(error_set):
if not error_set:
return
error_lines = [
" " + name + " : " + msg
for (name, msg) in error_set.to_list()
]
fail("Forbidden deps, see go/kotlin/build-rules#restrictions:\n" + "\n".join(error_lines))
kt_forbidden_deps_visitor = struct(
name = "forbidden_deps",
visit_target = _check_forbidden,
filter_edge = None,
process_unvisited_target = _if_not_checked,
finish_expansion = _validate_deps,
)
|
