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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
// Copyright 2023 Google Inc. 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.
package aconfig
import (
"android/soong/android"
"github.com/google/blueprint"
)
// Properties for "aconfig_value_set"
type ValueSetModule struct {
android.ModuleBase
android.DefaultableModuleBase
properties struct {
// aconfig_values modules
Values []string
}
}
func ValueSetFactory() android.Module {
module := &ValueSetModule{}
android.InitAndroidModule(module)
android.InitDefaultableModule(module)
module.AddProperties(&module.properties)
return module
}
// Dependency tag for values property
type valueSetType struct {
blueprint.BaseDependencyTag
}
var valueSetTag = valueSetType{}
// Provider published by aconfig_value_set
type valueSetProviderData struct {
// The package of each of the
// (map of package --> aconfig_module)
AvailablePackages map[string]android.Paths
}
var valueSetProviderKey = blueprint.NewProvider(valueSetProviderData{})
func (module *ValueSetModule) DepsMutator(ctx android.BottomUpMutatorContext) {
deps := ctx.AddDependency(ctx.Module(), valueSetTag, module.properties.Values...)
for _, dep := range deps {
_, ok := dep.(*ValuesModule)
if !ok {
ctx.PropertyErrorf("values", "values must be a aconfig_values module")
return
}
}
}
func (module *ValueSetModule) GenerateAndroidBuildActions(ctx android.ModuleContext) {
// Accumulate the packages of the values modules listed, and set that as an
// valueSetProviderKey provider that aconfig modules can read and use
// to append values to their aconfig actions.
packages := make(map[string]android.Paths)
ctx.VisitDirectDeps(func(dep android.Module) {
if !ctx.OtherModuleHasProvider(dep, valuesProviderKey) {
// Other modules get injected as dependencies too, for example the license modules
return
}
depData := ctx.OtherModuleProvider(dep, valuesProviderKey).(valuesProviderData)
srcs := make([]android.Path, len(depData.Values))
copy(srcs, depData.Values)
packages[depData.Package] = srcs
})
ctx.SetProvider(valueSetProviderKey, valueSetProviderData{
AvailablePackages: packages,
})
}
|