platform_build_soong/rust/prebuilt.go

126 lines
3.8 KiB
Go

// Copyright 2019 The Android Open Source Project
//
// 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 rust
import (
"android/soong/android"
)
func init() {
android.RegisterModuleType("rust_prebuilt_library", PrebuiltLibraryFactory)
android.RegisterModuleType("rust_prebuilt_dylib", PrebuiltDylibFactory)
android.RegisterModuleType("rust_prebuilt_rlib", PrebuiltRlibFactory)
}
type PrebuiltProperties struct {
// path to the prebuilt file
Srcs []string `android:"path,arch_variant"`
// directories containing associated rlib dependencies
Link_dirs []string `android:"path,arch_variant"`
}
type prebuiltLibraryDecorator struct {
*libraryDecorator
Properties PrebuiltProperties
}
var _ compiler = (*prebuiltLibraryDecorator)(nil)
var _ exportedFlagsProducer = (*prebuiltLibraryDecorator)(nil)
func PrebuiltLibraryFactory() android.Module {
module, _ := NewPrebuiltLibrary(android.HostAndDeviceSupported)
return module.Init()
}
func PrebuiltDylibFactory() android.Module {
module, _ := NewPrebuiltDylib(android.HostAndDeviceSupported)
return module.Init()
}
func PrebuiltRlibFactory() android.Module {
module, _ := NewPrebuiltRlib(android.HostAndDeviceSupported)
return module.Init()
}
func NewPrebuiltLibrary(hod android.HostOrDeviceSupported) (*Module, *prebuiltLibraryDecorator) {
module, library := NewRustLibrary(hod)
library.BuildOnlyRust()
library.setNoStdlibs()
prebuilt := &prebuiltLibraryDecorator{
libraryDecorator: library,
}
module.compiler = prebuilt
return module, prebuilt
}
func NewPrebuiltDylib(hod android.HostOrDeviceSupported) (*Module, *prebuiltLibraryDecorator) {
module, library := NewRustLibrary(hod)
library.BuildOnlyDylib()
library.setNoStdlibs()
prebuilt := &prebuiltLibraryDecorator{
libraryDecorator: library,
}
module.compiler = prebuilt
return module, prebuilt
}
func NewPrebuiltRlib(hod android.HostOrDeviceSupported) (*Module, *prebuiltLibraryDecorator) {
module, library := NewRustLibrary(hod)
library.BuildOnlyRlib()
library.setNoStdlibs()
prebuilt := &prebuiltLibraryDecorator{
libraryDecorator: library,
}
module.compiler = prebuilt
return module, prebuilt
}
func (prebuilt *prebuiltLibraryDecorator) compilerProps() []interface{} {
return append(prebuilt.libraryDecorator.compilerProps(),
&prebuilt.Properties)
}
func (prebuilt *prebuiltLibraryDecorator) compile(ctx ModuleContext, flags Flags, deps PathDeps) android.Path {
prebuilt.flagExporter.exportLinkDirs(android.PathsForModuleSrc(ctx, prebuilt.Properties.Link_dirs).Strings()...)
prebuilt.flagExporter.setProvider(ctx)
srcPath, paths := srcPathFromModuleSrcs(ctx, prebuilt.prebuiltSrcs())
if len(paths) > 0 {
ctx.PropertyErrorf("srcs", "prebuilt libraries can only have one entry in srcs (the prebuilt path)")
}
return srcPath
}
func (prebuilt *prebuiltLibraryDecorator) compilerDeps(ctx DepsContext, deps Deps) Deps {
deps = prebuilt.baseCompiler.compilerDeps(ctx, deps)
return deps
}
func (prebuilt *prebuiltLibraryDecorator) nativeCoverage() bool {
return false
}
func (prebuilt *prebuiltLibraryDecorator) prebuiltSrcs() []string {
srcs := prebuilt.Properties.Srcs
if prebuilt.rlib() {
srcs = append(srcs, prebuilt.libraryDecorator.Properties.Rlib.Srcs...)
}
if prebuilt.dylib() {
srcs = append(srcs, prebuilt.libraryDecorator.Properties.Dylib.Srcs...)
}
return srcs
}