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// 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 aconfig
import (
"android/soong/android"
"github.com/google/blueprint"
)
var (
pctx = android.NewPackageContext("android/soong/aconfig")
// For aconfig_declarations: Generate cache file
aconfigRule = pctx.AndroidStaticRule("aconfig",
blueprint.RuleParams{
Command: `${aconfig} create-cache` +
` --package ${package}` +
` ${declarations}` +
` ${values}` +
` ${default-permission}` +
` --cache ${out}.tmp` +
` && ( if cmp -s ${out}.tmp ${out} ; then rm ${out}.tmp ; else mv ${out}.tmp ${out} ; fi )`,
// ` --build-id ${release_version}` +
CommandDeps: []string{
"${aconfig}",
},
Restat: true,
}, "release_version", "package", "declarations", "values", "default-permission")
// For create-device-config-sysprops: Generate aconfig flag value map text file
aconfigTextRule = pctx.AndroidStaticRule("aconfig_text",
blueprint.RuleParams{
Command: `${aconfig} dump --format bool` +
` --cache ${in}` +
` --out ${out}.tmp` +
` && ( if cmp -s ${out}.tmp ${out} ; then rm ${out}.tmp ; else mv ${out}.tmp ${out} ; fi )`,
CommandDeps: []string{
"${aconfig}",
},
Restat: true,
})
// For all_aconfig_declarations: Combine all parsed_flags proto files
AllDeclarationsRule = pctx.AndroidStaticRule("All_aconfig_declarations_dump",
blueprint.RuleParams{
Command: `${aconfig} dump --format protobuf --out ${out} ${cache_files}`,
CommandDeps: []string{
"${aconfig}",
},
}, "cache_files")
mergeAconfigFilesRule = pctx.AndroidStaticRule("mergeAconfigFilesRule",
blueprint.RuleParams{
Command: `${aconfig} dump --dedup --format protobuf --out $out $flags`,
CommandDeps: []string{"${aconfig}"},
}, "flags")
// For exported_java_aconfig_library: Generate a JAR from all
// java_aconfig_libraries to be consumed by apps built outside the
// platform
exportedJavaRule = pctx.AndroidStaticRule("exported_java_aconfig_library",
// For each aconfig cache file, if the cache contains any
// exported flags, generate Java flag lookup code for the
// exported flags (only). Finally collect all generated code
// into the ${out} JAR file.
blueprint.RuleParams{
Command: `rm -rf ${out}.tmp` +
`&& for cache in ${cache_files}; do ` +
` if [ -n "$$(${aconfig} dump --cache $$cache --filter=is_exported:true --format='{fully_qualified_name}')" ]; then ` +
` ${aconfig} create-java-lib --cache $$cache --mode=exported --out ${out}.tmp; ` +
` fi ` +
`done` +
`&& $soong_zip -write_if_changed -jar -o ${out} -C ${out}.tmp -D ${out}.tmp` +
`&& rm -rf ${out}.tmp`,
CommandDeps: []string{
"$aconfig",
"$soong_zip",
},
}, "cache_files")
)
func init() {
RegisterBuildComponents(android.InitRegistrationContext)
pctx.HostBinToolVariable("aconfig", "aconfig")
pctx.HostBinToolVariable("soong_zip", "soong_zip")
}
func RegisterBuildComponents(ctx android.RegistrationContext) {
ctx.RegisterModuleType("aconfig_declarations", DeclarationsFactory)
ctx.RegisterModuleType("aconfig_values", ValuesFactory)
ctx.RegisterModuleType("aconfig_value_set", ValueSetFactory)
ctx.RegisterParallelSingletonType("all_aconfig_declarations", AllAconfigDeclarationsFactory)
ctx.RegisterParallelSingletonType("exported_java_aconfig_library", ExportedJavaDeclarationsLibraryFactory)
}
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