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104 lines
3.1 KiB
104 lines
3.1 KiB
// Copyright 2020 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package rust
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import (
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"android/soong/android"
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)
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type SourceProviderProperties struct {
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// filename for the generated source file (<source_stem>.rs). This field is required.
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// The inherited "stem" property sets the output filename for the generated library variants only.
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Source_stem *string `android:"arch_variant"`
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// crate name, used for the library variant of this source provider. See additional details in rust_library.
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Crate_name string `android:"arch_variant"`
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}
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type BaseSourceProvider struct {
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Properties SourceProviderProperties
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// The first file in OutputFiles must be the library entry point.
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OutputFiles android.Paths
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subAndroidMkOnce map[SubAndroidMkProvider]bool
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subName string
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}
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var _ SourceProvider = (*BaseSourceProvider)(nil)
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type SourceProvider interface {
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GenerateSource(ctx ModuleContext, deps PathDeps) android.Path
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Srcs() android.Paths
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SourceProviderProps() []interface{}
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SourceProviderDeps(ctx DepsContext, deps Deps) Deps
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setSubName(subName string)
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setOutputFiles(outputFiles android.Paths)
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}
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func (sp *BaseSourceProvider) Srcs() android.Paths {
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return sp.OutputFiles
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}
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func (sp *BaseSourceProvider) GenerateSource(ctx ModuleContext, deps PathDeps) android.Path {
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panic("BaseSourceProviderModule does not implement GenerateSource()")
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}
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func (sp *BaseSourceProvider) SourceProviderProps() []interface{} {
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return []interface{}{&sp.Properties}
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}
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func NewSourceProvider() *BaseSourceProvider {
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return &BaseSourceProvider{
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Properties: SourceProviderProperties{},
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}
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}
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func NewSourceProviderModule(hod android.HostOrDeviceSupported, sourceProvider SourceProvider, enableLints bool) *Module {
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_, library := NewRustLibrary(hod)
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library.BuildOnlyRust()
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library.sourceProvider = sourceProvider
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module := newModule(hod, android.MultilibBoth)
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module.sourceProvider = sourceProvider
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module.compiler = library
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if !enableLints {
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library.disableLints()
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module.disableClippy()
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}
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return module
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}
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func (sp *BaseSourceProvider) getStem(ctx android.ModuleContext) string {
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if String(sp.Properties.Source_stem) == "" {
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ctx.PropertyErrorf("source_stem",
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"source_stem property is undefined but required for rust_bindgen modules")
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}
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return String(sp.Properties.Source_stem)
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}
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func (sp *BaseSourceProvider) SourceProviderDeps(ctx DepsContext, deps Deps) Deps {
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return deps
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}
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func (sp *BaseSourceProvider) setSubName(subName string) {
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sp.subName = subName
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}
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func (sp *BaseSourceProvider) setOutputFiles(outputFiles android.Paths) {
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sp.OutputFiles = outputFiles
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}
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