1// Copyright 2020 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 15package cc 16 17import ( 18 "sort" 19 "strings" 20 21 "android/soong/android" 22) 23 24func init() { 25 // Use singleton type to gather all generated soong modules. 26 android.RegisterSingletonType("stublibraries", stubLibrariesSingleton) 27} 28 29type stubLibraries struct { 30 stubLibraryMap map[string]bool 31 32 apiListCoverageXmlPaths []string 33} 34 35// Check if the module defines stub, or itself is stub 36func IsStubTarget(m *Module) bool { 37 return m.IsStubs() || m.HasStubsVariants() 38} 39 40// Get target file name to be installed from this module 41func getInstalledFileName(m *Module) string { 42 for _, ps := range m.PackagingSpecs() { 43 if name := ps.FileName(); name != "" { 44 return name 45 } 46 } 47 return "" 48} 49 50func (s *stubLibraries) GenerateBuildActions(ctx android.SingletonContext) { 51 // Visit all generated soong modules and store stub library file names. 52 ctx.VisitAllModules(func(module android.Module) { 53 if m, ok := module.(*Module); ok { 54 if IsStubTarget(m) { 55 if name := getInstalledFileName(m); name != "" { 56 s.stubLibraryMap[name] = true 57 } 58 } 59 if m.library != nil { 60 if p := m.library.getAPIListCoverageXMLPath().String(); p != "" { 61 s.apiListCoverageXmlPaths = append(s.apiListCoverageXmlPaths, p) 62 } 63 } 64 } 65 }) 66} 67 68func stubLibrariesSingleton() android.Singleton { 69 return &stubLibraries{ 70 stubLibraryMap: make(map[string]bool), 71 } 72} 73 74func (s *stubLibraries) MakeVars(ctx android.MakeVarsContext) { 75 // Convert stub library file names into Makefile variable. 76 ctx.Strict("STUB_LIBRARIES", strings.Join(android.SortedStringKeys(s.stubLibraryMap), " ")) 77 78 // Export the list of API XML files to Make. 79 sort.Strings(s.apiListCoverageXmlPaths) 80 ctx.Strict("SOONG_CC_API_XML", strings.Join(s.apiListCoverageXmlPaths, " ")) 81} 82