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- // Copyright 2020 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"
- )
- type SourceProviderProperties struct {
- // filename for the generated source file (<source_stem>.rs). This field is required.
- // The inherited "stem" property sets the output filename for the generated library variants only.
- Source_stem *string `android:"arch_variant"`
- // crate name, used for the library variant of this source provider. See additional details in rust_library.
- Crate_name string `android:"arch_variant"`
- }
- type BaseSourceProvider struct {
- Properties SourceProviderProperties
- OutputFile android.Path
- subAndroidMkOnce map[SubAndroidMkProvider]bool
- subName string
- }
- var _ SourceProvider = (*BaseSourceProvider)(nil)
- type SourceProvider interface {
- GenerateSource(ctx android.ModuleContext, deps PathDeps) android.Path
- Srcs() android.Paths
- SourceProviderProps() []interface{}
- SourceProviderDeps(ctx DepsContext, deps Deps) Deps
- setSubName(subName string)
- }
- func (sp *BaseSourceProvider) Srcs() android.Paths {
- return android.Paths{sp.OutputFile}
- }
- func (sp *BaseSourceProvider) GenerateSource(ctx android.ModuleContext, deps PathDeps) android.Path {
- panic("BaseSourceProviderModule does not implement GenerateSource()")
- }
- func (sp *BaseSourceProvider) SourceProviderProps() []interface{} {
- return []interface{}{&sp.Properties}
- }
- func NewSourceProvider() *BaseSourceProvider {
- return &BaseSourceProvider{
- Properties: SourceProviderProperties{},
- }
- }
- func NewSourceProviderModule(hod android.HostOrDeviceSupported, sourceProvider SourceProvider, enableLints bool) *Module {
- _, library := NewRustLibrary(hod)
- library.BuildOnlyRust()
- library.sourceProvider = sourceProvider
- module := newModule(hod, android.MultilibBoth)
- module.sourceProvider = sourceProvider
- module.compiler = library
- if !enableLints {
- library.disableLints()
- module.disableClippy()
- }
- return module
- }
- func (sp *BaseSourceProvider) getStem(ctx android.ModuleContext) string {
- if String(sp.Properties.Source_stem) == "" {
- ctx.PropertyErrorf("source_stem",
- "source_stem property is undefined but required for rust_bindgen modules")
- }
- return String(sp.Properties.Source_stem)
- }
- func (sp *BaseSourceProvider) SourceProviderDeps(ctx DepsContext, deps Deps) Deps {
- return deps
- }
- func (sp *BaseSourceProvider) setSubName(subName string) {
- sp.subName = subName
- }
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