c6aef16816
And generate build-flags/build_flags.{pb,textproto} files
Bug: 328495189
Test: manual,TH
Change-Id: I97eb864e2d84bc606fef7e9077554894338edaa0
119 lines
3.5 KiB
Go
119 lines
3.5 KiB
Go
// Copyright 2023 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 build_flags
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import (
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"fmt"
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"strings"
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"android/soong/android"
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"github.com/google/blueprint"
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)
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type BuildFlagDeclarationsProviderData struct {
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IntermediateCacheOutputPath android.WritablePath
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IntermediateDumpOutputPath android.WritablePath
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}
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var BuildFlagDeclarationsProviderKey = blueprint.NewProvider[BuildFlagDeclarationsProviderData]()
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type DeclarationsModule struct {
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android.ModuleBase
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android.DefaultableModuleBase
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// Properties for "aconfig_declarations"
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properties struct {
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// aconfig files, relative to this Android.bp file
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Srcs []string `android:"path"`
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}
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intermediatePath android.WritablePath
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}
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func DeclarationsFactory() android.Module {
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module := &DeclarationsModule{}
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android.InitAndroidModule(module)
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android.InitDefaultableModule(module)
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module.AddProperties(&module.properties)
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return module
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}
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func (module *DeclarationsModule) OutputFiles(tag string) (android.Paths, error) {
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switch tag {
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case "":
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// The default output of this module is the intermediates format, which is
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// not installable and in a private format that no other rules can handle
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// correctly.
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return []android.Path{module.intermediatePath}, nil
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default:
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return nil, fmt.Errorf("unsupported build_flags_declarations module reference tag %q", tag)
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}
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}
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func joinAndPrefix(prefix string, values []string) string {
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var sb strings.Builder
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for _, v := range values {
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sb.WriteString(prefix)
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sb.WriteString(v)
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}
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return sb.String()
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}
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func optionalVariable(prefix string, value string) string {
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var sb strings.Builder
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if value != "" {
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sb.WriteString(prefix)
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sb.WriteString(value)
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}
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return sb.String()
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}
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func (module *DeclarationsModule) GenerateAndroidBuildActions(ctx android.ModuleContext) {
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// Intermediate format
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declarationFiles := android.PathsForModuleSrc(ctx, module.properties.Srcs)
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intermediateCacheFilePath := android.PathForModuleOut(ctx, "build_flag_intermediate.pb")
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inputFiles := make([]android.Path, len(declarationFiles))
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copy(inputFiles, declarationFiles)
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// TODO(lamont): generate the rc_proto.FlagArtifacts message for the sources.
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args := map[string]string{
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"release_version": ctx.Config().ReleaseVersion(),
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"declarations": android.JoinPathsWithPrefix(declarationFiles, "--decl "),
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}
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ctx.Build(pctx, android.BuildParams{
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Rule: buildFlagRule,
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Output: intermediateCacheFilePath,
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Inputs: inputFiles,
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Description: "build_flag_declarations",
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Args: args,
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})
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intermediateDumpFilePath := android.PathForModuleOut(ctx, "build_flag_intermediate.textproto")
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ctx.Build(pctx, android.BuildParams{
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Rule: buildFlagTextRule,
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Output: intermediateDumpFilePath,
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Input: intermediateCacheFilePath,
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Description: "build_flag_declarations_text",
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})
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android.SetProvider(ctx, BuildFlagDeclarationsProviderKey, BuildFlagDeclarationsProviderData{
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IntermediateCacheOutputPath: intermediateCacheFilePath,
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IntermediateDumpOutputPath: intermediateDumpFilePath,
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})
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}
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