blob: 8ca4732f57c4856903748375146d112f6fa19487 (
plain)
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
|
/*
* Copyright (C) 2023 The Android Open Source Project
*
* 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.
*/
package com.android.hoststubgen.filters
import com.android.hoststubgen.asm.ClassNodes
/**
* Filter that deals with Android specific heuristics.
*/
class AndroidHeuristicsFilter(
private val classes: ClassNodes,
val aidlPolicy: FilterPolicyWithReason?,
val featureFlagsPolicy: FilterPolicyWithReason?,
fallback: OutputFilter
) : DelegatingFilter(fallback) {
override fun getPolicyForClass(className: String): FilterPolicyWithReason {
if (aidlPolicy != null && classes.isAidlClass(className)) {
return aidlPolicy
}
if (featureFlagsPolicy != null && classes.isFeatureFlagsClass(className)) {
return featureFlagsPolicy
}
return super.getPolicyForClass(className)
}
}
/**
* @return if a given class "seems like" an AIDL (top-level) class.
*/
private fun ClassNodes.isAidlClass(className: String): Boolean {
return hasClass(className) &&
hasClass("$className\$Stub") &&
hasClass("$className\$Stub\$Proxy")
}
/**
* @return if a given class "seems like" an feature flags class.
*/
private fun ClassNodes.isFeatureFlagsClass(className: String): Boolean {
// Matches template classes defined here:
// https://cs.android.com/android/platform/superproject/+/master:build/make/tools/aconfig/templates/
return className.endsWith("/Flags")
|| className.endsWith("/FeatureFlags")
|| className.endsWith("/FeatureFlagsImpl")
|| className.endsWith("/FakeFeatureFlagsImpl");
}
|
