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Add prebuilt_apex.

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Bug: 127789981
Test: apex_test.go + com.android.tzdata.apex
Change-Id: I09bb0a4b2acf310c55c789569da3c9d755638232
This commit is contained in:
Jaewoong Jung
2019-03-26 15:07:36 -07:00
parent ac7f27eab0
commit 939ebd5f33
4 changed files with 154 additions and 17 deletions
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52
android/prebuilt.go
View File

@@ -18,6 +18,7 @@ import (
"fmt"
"github.com/google/blueprint"
"github.com/google/blueprint/proptools"
)
// This file implements common functionality for handling modules that may exist as prebuilts,
@@ -42,6 +43,7 @@ type Prebuilt struct {
properties PrebuiltProperties
module Module
srcs *[]string
src *string
}
func (p *Prebuilt) Name(name string) string {
@@ -49,19 +51,27 @@ func (p *Prebuilt) Name(name string) string {
}
func (p *Prebuilt) SingleSourcePath(ctx ModuleContext) Path {
if len(*p.srcs) == 0 {
ctx.PropertyErrorf("srcs", "missing prebuilt source file")
return nil
}
if p.srcs != nil {
if len(*p.srcs) == 0 {
ctx.PropertyErrorf("srcs", "missing prebuilt source file")
return nil
}
if len(*p.srcs) > 1 {
ctx.PropertyErrorf("srcs", "multiple prebuilt source files")
return nil
}
if len(*p.srcs) > 1 {
ctx.PropertyErrorf("srcs", "multiple prebuilt source files")
return nil
}
// Return the singleton source after expanding any filegroup in the
// sources.
return PathForModuleSrc(ctx, (*p.srcs)[0])
// Return the singleton source after expanding any filegroup in the
// sources.
return PathForModuleSrc(ctx, (*p.srcs)[0])
} else {
if proptools.String(p.src) == "" {
ctx.PropertyErrorf("src", "missing prebuilt source file")
return nil
}
return PathForModuleSrc(ctx, *p.src)
}
}
func InitPrebuiltModule(module PrebuiltInterface, srcs *[]string) {
@@ -70,13 +80,19 @@ func InitPrebuiltModule(module PrebuiltInterface, srcs *[]string) {
p.srcs = srcs
}
func InitSingleSourcePrebuiltModule(module PrebuiltInterface, src *string) {
p := module.Prebuilt()
module.AddProperties(&p.properties)
p.src = src
}
type PrebuiltInterface interface {
Module
Prebuilt() *Prebuilt
}
func RegisterPrebuiltsPreArchMutators(ctx RegisterMutatorsContext) {
ctx.BottomUp("prebuilts", prebuiltMutator).Parallel()
ctx.BottomUp("prebuilts", PrebuiltMutator).Parallel()
}
func RegisterPrebuiltsPostDepsMutators(ctx RegisterMutatorsContext) {
@@ -84,9 +100,9 @@ func RegisterPrebuiltsPostDepsMutators(ctx RegisterMutatorsContext) {
ctx.BottomUp("prebuilt_postdeps", PrebuiltPostDepsMutator).Parallel()
}
// prebuiltMutator ensures that there is always a module with an undecorated name, and marks
// PrebuiltMutator ensures that there is always a module with an undecorated name, and marks
// prebuilt modules that have both a prebuilt and a source module.
func prebuiltMutator(ctx BottomUpMutatorContext) {
func PrebuiltMutator(ctx BottomUpMutatorContext) {
if m, ok := ctx.Module().(PrebuiltInterface); ok && m.Prebuilt() != nil {
p := m.Prebuilt()
name := m.base().BaseModuleName()
@@ -104,7 +120,7 @@ func prebuiltMutator(ctx BottomUpMutatorContext) {
func PrebuiltSelectModuleMutator(ctx TopDownMutatorContext) {
if m, ok := ctx.Module().(PrebuiltInterface); ok && m.Prebuilt() != nil {
p := m.Prebuilt()
if p.srcs == nil {
if p.srcs == nil && p.src == nil {
panic(fmt.Errorf("prebuilt module did not have InitPrebuiltModule called on it"))
}
if !p.properties.SourceExists {
@@ -143,7 +159,11 @@ func PrebuiltPostDepsMutator(ctx BottomUpMutatorContext) {
// usePrebuilt returns true if a prebuilt should be used instead of the source module. The prebuilt
// will be used if it is marked "prefer" or if the source module is disabled.
func (p *Prebuilt) usePrebuilt(ctx TopDownMutatorContext, source Module) bool {
if len(*p.srcs) == 0 {
if p.srcs != nil && len(*p.srcs) == 0 {
return false
}
if p.src != nil && *p.src == "" {
return false
}