1 /*
2  * Copyright 2023 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package androidx.build.clang
18 
19 import javax.inject.Inject
20 import org.gradle.api.DefaultTask
21 import org.gradle.api.file.ConfigurableFileCollection
22 import org.gradle.api.file.RegularFileProperty
23 import org.gradle.api.provider.Property
24 import org.gradle.api.services.ServiceReference
25 import org.gradle.api.tasks.CacheableTask
26 import org.gradle.api.tasks.Input
27 import org.gradle.api.tasks.InputFiles
28 import org.gradle.api.tasks.Nested
29 import org.gradle.api.tasks.OutputFile
30 import org.gradle.api.tasks.PathSensitive
31 import org.gradle.api.tasks.PathSensitivity
32 import org.gradle.api.tasks.TaskAction
33 import org.gradle.workers.WorkAction
34 import org.gradle.workers.WorkParameters
35 import org.gradle.workers.WorkerExecutor
36 
37 @CacheableTask
38 abstract class ClangArchiveTask @Inject constructor(private val workerExecutor: WorkerExecutor) :
39     DefaultTask() {
40     init {
41         description = "Combines multiple object files (.o) into an archive file (.a)."
42         group = "Build"
43     }
44 
45     @get:ServiceReference(KonanBuildService.KEY)
46     abstract val konanBuildService: Property<KonanBuildService>
47 
48     @get:Nested abstract val llvmArchiveParameters: ClangArchiveParameters
49 
50     @TaskAction
archivenull51     fun archive() {
52         workerExecutor.noIsolation().submit(ClangArchiveWorker::class.java) {
53             it.llvmArchiveParameters.set(llvmArchiveParameters)
54             it.buildService.set(konanBuildService)
55         }
56     }
57 }
58 
59 abstract class ClangArchiveParameters {
60     /** The target platform for the archive file. */
61     @get:Input abstract val konanTarget: Property<SerializableKonanTarget>
62 
63     /** The list of object files that needs to be added to the archive. */
64     @get:InputFiles
65     @get:PathSensitive(PathSensitivity.NAME_ONLY)
66     abstract val objectFiles: ConfigurableFileCollection
67 
68     /** The final output file that will include the archive of the given [objectFiles]. */
69     @get:OutputFile abstract val outputFile: RegularFileProperty
70 }
71 
72 private abstract class ClangArchiveWorker : WorkAction<ClangArchiveWorker.Params> {
73     interface Params : WorkParameters {
74         val llvmArchiveParameters: Property<ClangArchiveParameters>
75         val buildService: Property<KonanBuildService>
76     }
77 
executenull78     override fun execute() {
79         val buildService = parameters.buildService.get()
80         buildService.archiveLibrary(parameters.llvmArchiveParameters.get())
81     }
82 }
83