1 // Copyright 2015 Google Inc. All rights reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package main 16 17 import ( 18 "flag" 19 "fmt" 20 "os" 21 "path/filepath" 22 23 "github.com/google/blueprint/bootstrap" 24 25 "android/soong/android" 26 ) 27 28 var ( 29 docFile string 30 ) 31 32 func init() { 33 flag.StringVar(&docFile, "soong_docs", "", "build documentation file to output") 34 } 35 36 func newNameResolver(config android.Config) *android.NameResolver { 37 namespacePathsToExport := make(map[string]bool) 38 39 for _, namespaceName := range config.ExportedNamespaces() { 40 namespacePathsToExport[namespaceName] = true 41 } 42 43 namespacePathsToExport["."] = true // always export the root namespace 44 45 exportFilter := func(namespace *android.Namespace) bool { 46 return namespacePathsToExport[namespace.Path] 47 } 48 49 return android.NewNameResolver(exportFilter) 50 } 51 52 func main() { 53 flag.Parse() 54 55 // The top-level Blueprints file is passed as the first argument. 56 srcDir := filepath.Dir(flag.Arg(0)) 57 58 ctx := android.NewContext() 59 ctx.Register() 60 61 configuration, err := android.NewConfig(srcDir, bootstrap.BuildDir) 62 if err != nil { 63 fmt.Fprintf(os.Stderr, "%s", err) 64 os.Exit(1) 65 } 66 67 if docFile != "" { 68 configuration.SetStopBefore(bootstrap.StopBeforePrepareBuildActions) 69 } 70 71 ctx.SetNameInterface(newNameResolver(configuration)) 72 73 ctx.SetAllowMissingDependencies(configuration.AllowMissingDependencies()) 74 75 bootstrap.Main(ctx.Context, configuration, configuration.ConfigFileName, configuration.ProductVariablesFileName) 76 77 if docFile != "" { 78 if err := writeDocs(ctx, docFile); err != nil { 79 fmt.Fprintf(os.Stderr, "%s", err) 80 os.Exit(1) 81 } 82 } 83 } 84
