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Commit 0d53dd28 authored by Spandan Das's avatar Spandan Das
Browse files

Create an apex_contributions module type 

This module type does not any build actions, but provides metadata about
the contributions of the mainline module to other mainline modules/
platform. One immediate use case for this metadata is source vs
prebuilts selection

Each mainline module can have more than 1 metadata modules. Static build
flags will be used to select the right one in trunk.bzl, next.bzl, ...

Bug: 308174923
Test: go build ./android
Change-Id: I5ead0c38fe64b78de08db1736d97a8ab7374d6d9
parent 74639be8

android/Android.bp

+1 −0
Original line number Diff line number Diff line
@@ -32,6 +32,7 @@ bootstrap_go_package { 
    srcs: [

        "androidmk.go",

        "apex.go",

        "apex_contributions.go",

        "api_domain.go",

        "api_levels.go",

        "arch.go",

android/apex_contributions.go

0 → 100644
+67 −0
Original line number Diff line number Diff line 
// 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 android



import (

	"github.com/google/blueprint/proptools"

)



func init() {

	RegisterApexContributionsBuildComponents(InitRegistrationContext)

}



func RegisterApexContributionsBuildComponents(ctx RegistrationContext) {

	ctx.RegisterModuleType("apex_contributions", apexContributionsFactory)

}



type apexContributions struct {

	ModuleBase

	properties contributionProps

}



type contributionProps struct {

	// Name of the mainline module

	Api_domain *string

	// A list of module names that should be used when this contribution

	// is selected via product_config

	// The name should be explicit (foo or prebuilt_foo)

	Contents []string

}



func (m *apexContributions) ApiDomain() string {

	return proptools.String(m.properties.Api_domain)

}



func (m *apexContributions) Contents() []string {

	return m.properties.Contents

}



// apex_contributions contains a list of module names (source or

// prebuilt) belonging to the mainline module

// An apex can have multiple apex_contributions modules

// with different combinations of source or prebuilts, but only one can be

// selected via product_config.

func apexContributionsFactory() Module {

	module := &apexContributions{}

	module.AddProperties(&module.properties)

	InitAndroidModule(module)

	return module

}



// This module type does not have any build actions.

// It provides metadata that is used in post-deps mutator phase for source vs

// prebuilts selection.

func (m *apexContributions) GenerateAndroidBuildActions(ctx ModuleContext) {

}