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// Copyright 2020 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 android
import (
"sync"
"github.com/google/blueprint"
)
var phonyMapOnceKey = NewOnceKey("phony")
type phonyMap map[string]Paths
var phonyMapLock sync.Mutex
func getPhonyMap(config Config) phonyMap {
return config.Once(phonyMapOnceKey, func() interface{} {
return make(phonyMap)
}).(phonyMap)
}
func addPhony(config Config, name string, deps ...Path) {
phonyMap := getPhonyMap(config)
phonyMapLock.Lock()
defer phonyMapLock.Unlock()
phonyMap[name] = append(phonyMap[name], deps...)
}
type phonySingleton struct {
phonyMap phonyMap
phonyList []string
}
var _ SingletonMakeVarsProvider = (*phonySingleton)(nil)
func (p *phonySingleton) GenerateBuildActions(ctx SingletonContext) {
p.phonyMap = getPhonyMap(ctx.Config())
p.phonyList = SortedStringKeys(p.phonyMap)
for _, phony := range p.phonyList {
p.phonyMap[phony] = SortedUniquePaths(p.phonyMap[phony])
}
if !ctx.Config().KatiEnabled() {
for _, phony := range p.phonyList {
ctx.Build(pctx, BuildParams{
Rule: blueprint.Phony,
Outputs: []WritablePath{PathForPhony(ctx, phony)},
Implicits: p.phonyMap[phony],
})
}
}
}
func (p phonySingleton) MakeVars(ctx MakeVarsContext) {
for _, phony := range p.phonyList {
ctx.Phony(phony, p.phonyMap[phony]...)
}
}
func phonySingletonFactory() Singleton {
return &phonySingleton{}
}