0d99045b69
Because it's commonly useful and not cc/ specific Also export GenerateBazelBuildActions and update uses Test: Existing tests pass Change-Id: Ibc6858bb1129afba181a7686dda432defe33b00d
153 lines
4.2 KiB
Go
153 lines
4.2 KiB
Go
// Copyright 2016 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package android
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import (
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"strings"
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"android/soong/bazel"
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)
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func init() {
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RegisterModuleType("filegroup", FileGroupFactory)
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RegisterBp2BuildMutator("filegroup", FilegroupBp2Build)
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}
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var PrepareForTestWithFilegroup = FixtureRegisterWithContext(func(ctx RegistrationContext) {
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ctx.RegisterModuleType("filegroup", FileGroupFactory)
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})
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// https://docs.bazel.build/versions/master/be/general.html#filegroup
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type bazelFilegroupAttributes struct {
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Srcs bazel.LabelListAttribute
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}
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type bazelFilegroup struct {
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BazelTargetModuleBase
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bazelFilegroupAttributes
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}
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func BazelFileGroupFactory() Module {
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module := &bazelFilegroup{}
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module.AddProperties(&module.bazelFilegroupAttributes)
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InitBazelTargetModule(module)
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return module
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}
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func (bfg *bazelFilegroup) Name() string {
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return bfg.BaseModuleName()
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}
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func (bfg *bazelFilegroup) GenerateAndroidBuildActions(ctx ModuleContext) {}
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func FilegroupBp2Build(ctx TopDownMutatorContext) {
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fg, ok := ctx.Module().(*fileGroup)
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if !ok || !fg.ConvertWithBp2build(ctx) {
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return
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}
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srcs := bazel.MakeLabelListAttribute(
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BazelLabelForModuleSrcExcludes(ctx, fg.properties.Srcs, fg.properties.Exclude_srcs))
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attrs := &bazelFilegroupAttributes{
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Srcs: srcs,
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}
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props := bazel.BazelTargetModuleProperties{
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Rule_class: "filegroup",
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Bzl_load_location: "//build/bazel/rules:filegroup.bzl",
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}
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ctx.CreateBazelTargetModule(BazelFileGroupFactory, fg.Name(), props, attrs)
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}
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type fileGroupProperties struct {
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// srcs lists files that will be included in this filegroup
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Srcs []string `android:"path"`
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Exclude_srcs []string `android:"path"`
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// The base path to the files. May be used by other modules to determine which portion
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// of the path to use. For example, when a filegroup is used as data in a cc_test rule,
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// the base path is stripped off the path and the remaining path is used as the
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// installation directory.
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Path *string
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// Create a make variable with the specified name that contains the list of files in the
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// filegroup, relative to the root of the source tree.
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Export_to_make_var *string
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}
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type fileGroup struct {
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ModuleBase
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BazelModuleBase
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properties fileGroupProperties
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srcs Paths
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}
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var _ SourceFileProducer = (*fileGroup)(nil)
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// filegroup contains a list of files that are referenced by other modules
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// properties (such as "srcs") using the syntax ":<name>". filegroup are
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// also be used to export files across package boundaries.
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func FileGroupFactory() Module {
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module := &fileGroup{}
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module.AddProperties(&module.properties)
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InitAndroidModule(module)
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InitBazelModule(module)
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return module
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}
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func (fg *fileGroup) GenerateBazelBuildActions(ctx ModuleContext) bool {
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if !fg.MixedBuildsEnabled(ctx) {
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return false
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}
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bazelCtx := ctx.Config().BazelContext
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filePaths, ok := bazelCtx.GetOutputFiles(fg.GetBazelLabel(ctx, fg), ctx.Arch().ArchType)
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if !ok {
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return false
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}
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bazelOuts := make(Paths, 0, len(filePaths))
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for _, p := range filePaths {
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src := PathForBazelOut(ctx, p)
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bazelOuts = append(bazelOuts, src)
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}
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fg.srcs = bazelOuts
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return true
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}
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func (fg *fileGroup) GenerateAndroidBuildActions(ctx ModuleContext) {
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if fg.GenerateBazelBuildActions(ctx) {
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return
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}
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fg.srcs = PathsForModuleSrcExcludes(ctx, fg.properties.Srcs, fg.properties.Exclude_srcs)
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if fg.properties.Path != nil {
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fg.srcs = PathsWithModuleSrcSubDir(ctx, fg.srcs, String(fg.properties.Path))
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}
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}
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func (fg *fileGroup) Srcs() Paths {
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return append(Paths{}, fg.srcs...)
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}
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func (fg *fileGroup) MakeVars(ctx MakeVarsModuleContext) {
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if makeVar := String(fg.properties.Export_to_make_var); makeVar != "" {
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ctx.StrictRaw(makeVar, strings.Join(fg.srcs.Strings(), " "))
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}
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}
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