platform_build_soong/cmd/soong_build/main.go

84 lines
2.1 KiB
Go

// Copyright 2015 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 main
import (
"flag"
"fmt"
"os"
"path/filepath"
"github.com/google/blueprint/bootstrap"
"android/soong/android"
)
var (
docFile string
)
func init() {
flag.StringVar(&docFile, "soong_docs", "", "build documentation file to output")
}
func newNameResolver(config android.Config) *android.NameResolver {
namespacePathsToExport := make(map[string]bool)
for _, namespaceName := range config.ExportedNamespaces() {
namespacePathsToExport[namespaceName] = true
}
namespacePathsToExport["."] = true // always export the root namespace
exportFilter := func(namespace *android.Namespace) bool {
return namespacePathsToExport[namespace.Path]
}
return android.NewNameResolver(exportFilter)
}
func main() {
flag.Parse()
// The top-level Blueprints file is passed as the first argument.
srcDir := filepath.Dir(flag.Arg(0))
ctx := android.NewContext()
ctx.Register()
configuration, err := android.NewConfig(srcDir, bootstrap.BuildDir)
if err != nil {
fmt.Fprintf(os.Stderr, "%s", err)
os.Exit(1)
}
if docFile != "" {
configuration.SetStopBefore(bootstrap.StopBeforePrepareBuildActions)
}
ctx.SetNameInterface(newNameResolver(configuration))
ctx.SetAllowMissingDependencies(configuration.AllowMissingDependencies())
bootstrap.Main(ctx.Context, configuration, configuration.ConfigFileName, configuration.ProductVariablesFileName)
if docFile != "" {
if err := writeDocs(ctx, docFile); err != nil {
fmt.Fprintf(os.Stderr, "%s", err)
os.Exit(1)
}
}
}