6510f91a1c
AConfig() now duplicates Config(). Replace the uses of AConfig() with Config(). Leave AConfig() for now until code in other projects is cleaned up. Test: m checkbuild Change-Id: Ic88be643049d21dba45dbd1a65588ed94bf43bdc
142 lines
4 KiB
Go
142 lines
4 KiB
Go
// Copyright 2016 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"
|
|
)
|
|
|
|
// This file implements hooks that external module types can use to inject logic into existing
|
|
// module types. Each hook takes an interface as a parameter so that new methods can be added
|
|
// to the interface without breaking existing module types.
|
|
|
|
// Load hooks are run after the module's properties have been filled from the blueprint file, but
|
|
// before the module has been split into architecture variants, and before defaults modules have
|
|
// been applied.
|
|
type LoadHookContext interface {
|
|
// TODO: a new context that includes Config() but not Target(), etc.?
|
|
BaseContext
|
|
AppendProperties(...interface{})
|
|
PrependProperties(...interface{})
|
|
CreateModule(blueprint.ModuleFactory, ...interface{})
|
|
}
|
|
|
|
// Arch hooks are run after the module has been split into architecture variants, and can be used
|
|
// to add architecture-specific properties.
|
|
type ArchHookContext interface {
|
|
BaseContext
|
|
AppendProperties(...interface{})
|
|
PrependProperties(...interface{})
|
|
}
|
|
|
|
func AddLoadHook(m blueprint.Module, hook func(LoadHookContext)) {
|
|
h := &m.(Module).base().hooks
|
|
h.load = append(h.load, hook)
|
|
}
|
|
|
|
func AddArchHook(m blueprint.Module, hook func(ArchHookContext)) {
|
|
h := &m.(Module).base().hooks
|
|
h.arch = append(h.arch, hook)
|
|
}
|
|
|
|
func (x *hooks) runLoadHooks(ctx LoadHookContext, m *ModuleBase) {
|
|
if len(x.load) > 0 {
|
|
for _, x := range x.load {
|
|
x(ctx)
|
|
if ctx.Failed() {
|
|
return
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func (x *hooks) runArchHooks(ctx ArchHookContext, m *ModuleBase) {
|
|
if len(x.arch) > 0 {
|
|
for _, x := range x.arch {
|
|
x(ctx)
|
|
if ctx.Failed() {
|
|
return
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
type InstallHookContext interface {
|
|
ModuleContext
|
|
Path() OutputPath
|
|
Symlink() bool
|
|
}
|
|
|
|
// Install hooks are run after a module creates a rule to install a file or symlink.
|
|
// The installed path is available from InstallHookContext.Path(), and
|
|
// InstallHookContext.Symlink() will be true if it was a symlink.
|
|
func AddInstallHook(m blueprint.Module, hook func(InstallHookContext)) {
|
|
h := &m.(Module).base().hooks
|
|
h.install = append(h.install, hook)
|
|
}
|
|
|
|
type installHookContext struct {
|
|
ModuleContext
|
|
path OutputPath
|
|
symlink bool
|
|
}
|
|
|
|
func (x *installHookContext) Path() OutputPath {
|
|
return x.path
|
|
}
|
|
|
|
func (x *installHookContext) Symlink() bool {
|
|
return x.symlink
|
|
}
|
|
|
|
func (x *hooks) runInstallHooks(ctx ModuleContext, path OutputPath, symlink bool) {
|
|
if len(x.install) > 0 {
|
|
mctx := &installHookContext{
|
|
ModuleContext: ctx,
|
|
path: path,
|
|
symlink: symlink,
|
|
}
|
|
for _, x := range x.install {
|
|
x(mctx)
|
|
if mctx.Failed() {
|
|
return
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
type hooks struct {
|
|
load []func(LoadHookContext)
|
|
arch []func(ArchHookContext)
|
|
install []func(InstallHookContext)
|
|
}
|
|
|
|
func loadHookMutator(ctx TopDownMutatorContext) {
|
|
if m, ok := ctx.Module().(Module); ok {
|
|
// Cast through *androidTopDownMutatorContext because AppendProperties is implemented
|
|
// on *androidTopDownMutatorContext but not exposed through TopDownMutatorContext
|
|
var loadHookCtx LoadHookContext = ctx.(*androidTopDownMutatorContext)
|
|
m.base().hooks.runLoadHooks(loadHookCtx, m.base())
|
|
}
|
|
}
|
|
|
|
func archHookMutator(ctx TopDownMutatorContext) {
|
|
if m, ok := ctx.Module().(Module); ok {
|
|
// Cast through *androidTopDownMutatorContext because AppendProperties is implemented
|
|
// on *androidTopDownMutatorContext but not exposed through TopDownMutatorContext
|
|
var archHookCtx ArchHookContext = ctx.(*androidTopDownMutatorContext)
|
|
m.base().hooks.runArchHooks(archHookCtx, m.base())
|
|
}
|
|
}
|