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// 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 phony
import (
"fmt"
"io"
"strings"
"android/soong/android"
)
func init() {
android.RegisterModuleType("phony", PhonyFactory)
android.RegisterModuleType("phony_rule", PhonyRuleFactory)
}
type phony struct {
android.ModuleBase
requiredModuleNames []string
hostRequiredModuleNames []string
targetRequiredModuleNames []string
}
func PhonyFactory() android.Module {
module := &phony{}
android.InitAndroidArchModule(module, android.HostAndDeviceSupported, android.MultilibCommon)
return module
}
func (p *phony) GenerateAndroidBuildActions(ctx android.ModuleContext) {
p.requiredModuleNames = ctx.RequiredModuleNames()
p.hostRequiredModuleNames = ctx.HostRequiredModuleNames()
p.targetRequiredModuleNames = ctx.TargetRequiredModuleNames()
}
func (p *phony) AndroidMk() android.AndroidMkData {
return android.AndroidMkData{
Custom: func(w io.Writer, name, prefix, moduleDir string, data android.AndroidMkData) {
fmt.Fprintln(w, "\ninclude $(CLEAR_VARS)", " # phony.phony")
fmt.Fprintln(w, "LOCAL_PATH :=", moduleDir)
fmt.Fprintln(w, "LOCAL_MODULE :=", name)
if p.Host() {
fmt.Fprintln(w, "LOCAL_IS_HOST_MODULE := true")
}
if len(p.requiredModuleNames) > 0 {
fmt.Fprintln(w, "LOCAL_REQUIRED_MODULES :=",
strings.Join(p.requiredModuleNames, " "))
}
if len(p.hostRequiredModuleNames) > 0 {
fmt.Fprintln(w, "LOCAL_HOST_REQUIRED_MODULES :=",
strings.Join(p.hostRequiredModuleNames, " "))
}
if len(p.targetRequiredModuleNames) > 0 {
fmt.Fprintln(w, "LOCAL_TARGET_REQUIRED_MODULES :=",
strings.Join(p.targetRequiredModuleNames, " "))
}
// AconfigUpdateAndroidMkData may have added elements to Extra. Process them here.
for _, extra := range data.Extra {
extra(w, nil)
}
fmt.Fprintln(w, "include $(BUILD_PHONY_PACKAGE)")
},
}
}
type PhonyRule struct {
android.ModuleBase
properties PhonyProperties
}
type PhonyProperties struct {
// The Phony_deps is the set of all dependencies for this target,
// and it can function similarly to .PHONY in a makefile.
// Additionally, dependencies within it can even include genrule.
Phony_deps []string
}
// The phony_rule provides functionality similar to the .PHONY in a makefile.
// It can create a phony target and include relevant dependencies associated with it.
func PhonyRuleFactory() android.Module {
module := &PhonyRule{}
android.InitAndroidModule(module)
module.AddProperties(&module.properties)
return module
}
func (p *PhonyRule) GenerateAndroidBuildActions(ctx android.ModuleContext) {
}
func (p *PhonyRule) AndroidMk() android.AndroidMkData {
return android.AndroidMkData{
Custom: func(w io.Writer, name, prefix, moduleDir string, data android.AndroidMkData) {
if len(p.properties.Phony_deps) > 0 {
depModulesStr := strings.Join(p.properties.Phony_deps, " ")
fmt.Fprintln(w, ".PHONY:", name)
fmt.Fprintln(w, name, ":", depModulesStr)
}
},
}
}
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