1d8e20d744
This was frequently misused (for example, in the prebuilts module, it was used as a complex "assert(len(srcs))==1"), and can be superceded by getCrateRoot anywhere it was used. It's now only called from compiler.go, and can drop the second return parameter, as it was only actually used by the prebuilt assert misuse. Bug: 309943184 Test: m nothing Change-Id: I6c92580bc8f0ecb7586c544056b5409e6dd280e7
233 lines
6.8 KiB
Go
233 lines
6.8 KiB
Go
// Copyright 2019 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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func init() {
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android.RegisterModuleType("rust_prebuilt_library", PrebuiltLibraryFactory)
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android.RegisterModuleType("rust_prebuilt_dylib", PrebuiltDylibFactory)
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android.RegisterModuleType("rust_prebuilt_rlib", PrebuiltRlibFactory)
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android.RegisterModuleType("rust_prebuilt_proc_macro", PrebuiltProcMacroFactory)
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}
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type PrebuiltProperties struct {
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// path to the prebuilt file
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Srcs []string `android:"path,arch_variant"`
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// directories containing associated rlib dependencies
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Link_dirs []string `android:"path,arch_variant"`
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}
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type prebuiltLibraryDecorator struct {
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android.Prebuilt
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*libraryDecorator
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Properties PrebuiltProperties
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}
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type prebuiltProcMacroDecorator struct {
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android.Prebuilt
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*procMacroDecorator
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Properties PrebuiltProperties
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}
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func PrebuiltProcMacroFactory() android.Module {
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module, _ := NewPrebuiltProcMacro(android.HostSupportedNoCross)
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return module.Init()
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}
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type rustPrebuilt interface {
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prebuiltSrcs() []string
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prebuilt() *android.Prebuilt
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}
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func NewPrebuiltProcMacro(hod android.HostOrDeviceSupported) (*Module, *prebuiltProcMacroDecorator) {
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module, library := NewProcMacro(hod)
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prebuilt := &prebuiltProcMacroDecorator{
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procMacroDecorator: library,
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}
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module.compiler = prebuilt
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addSrcSupplier(module, prebuilt)
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return module, prebuilt
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}
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var _ compiler = (*prebuiltLibraryDecorator)(nil)
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var _ exportedFlagsProducer = (*prebuiltLibraryDecorator)(nil)
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var _ rustPrebuilt = (*prebuiltLibraryDecorator)(nil)
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var _ compiler = (*prebuiltProcMacroDecorator)(nil)
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var _ exportedFlagsProducer = (*prebuiltProcMacroDecorator)(nil)
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var _ rustPrebuilt = (*prebuiltProcMacroDecorator)(nil)
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func prebuiltPath(ctx ModuleContext, prebuilt rustPrebuilt) android.Path {
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srcs := android.PathsForModuleSrc(ctx, prebuilt.prebuiltSrcs())
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if len(srcs) == 0 {
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ctx.PropertyErrorf("srcs", "srcs must not be empty")
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}
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if len(srcs) > 1 {
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ctx.PropertyErrorf("srcs", "prebuilt libraries can only have one entry in srcs (the prebuilt path)")
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}
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return srcs[0]
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}
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func PrebuiltLibraryFactory() android.Module {
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module, _ := NewPrebuiltLibrary(android.HostAndDeviceSupported)
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return module.Init()
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}
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func PrebuiltDylibFactory() android.Module {
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module, _ := NewPrebuiltDylib(android.HostAndDeviceSupported)
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return module.Init()
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}
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func PrebuiltRlibFactory() android.Module {
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module, _ := NewPrebuiltRlib(android.HostAndDeviceSupported)
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return module.Init()
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}
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func addSrcSupplier(module android.PrebuiltInterface, prebuilt rustPrebuilt) {
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srcsSupplier := func(_ android.BaseModuleContext, _ android.Module) []string {
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return prebuilt.prebuiltSrcs()
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}
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android.InitPrebuiltModuleWithSrcSupplier(module, srcsSupplier, "srcs")
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}
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func NewPrebuiltLibrary(hod android.HostOrDeviceSupported) (*Module, *prebuiltLibraryDecorator) {
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module, library := NewRustLibrary(hod)
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library.BuildOnlyRust()
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library.setNoStdlibs()
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prebuilt := &prebuiltLibraryDecorator{
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libraryDecorator: library,
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}
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module.compiler = prebuilt
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addSrcSupplier(module, prebuilt)
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return module, prebuilt
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}
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func NewPrebuiltDylib(hod android.HostOrDeviceSupported) (*Module, *prebuiltLibraryDecorator) {
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module, library := NewRustLibrary(hod)
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library.BuildOnlyDylib()
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library.setNoStdlibs()
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prebuilt := &prebuiltLibraryDecorator{
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libraryDecorator: library,
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}
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module.compiler = prebuilt
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addSrcSupplier(module, prebuilt)
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return module, prebuilt
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}
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func NewPrebuiltRlib(hod android.HostOrDeviceSupported) (*Module, *prebuiltLibraryDecorator) {
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module, library := NewRustLibrary(hod)
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library.BuildOnlyRlib()
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library.setNoStdlibs()
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prebuilt := &prebuiltLibraryDecorator{
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libraryDecorator: library,
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}
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module.compiler = prebuilt
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addSrcSupplier(module, prebuilt)
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return module, prebuilt
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}
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func (prebuilt *prebuiltLibraryDecorator) compilerProps() []interface{} {
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return append(prebuilt.libraryDecorator.compilerProps(),
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&prebuilt.Properties)
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}
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func (prebuilt *prebuiltLibraryDecorator) compile(ctx ModuleContext, flags Flags, deps PathDeps) buildOutput {
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prebuilt.flagExporter.exportLinkDirs(android.PathsForModuleSrc(ctx, prebuilt.Properties.Link_dirs).Strings()...)
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prebuilt.flagExporter.setProvider(ctx)
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srcPath := prebuiltPath(ctx, prebuilt)
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prebuilt.baseCompiler.unstrippedOutputFile = srcPath
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return buildOutput{outputFile: srcPath}
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}
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func (prebuilt *prebuiltLibraryDecorator) rustdoc(ctx ModuleContext, flags Flags,
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deps PathDeps) android.OptionalPath {
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return android.OptionalPath{}
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}
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func (prebuilt *prebuiltLibraryDecorator) compilerDeps(ctx DepsContext, deps Deps) Deps {
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deps = prebuilt.baseCompiler.compilerDeps(ctx, deps)
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return deps
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}
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func (prebuilt *prebuiltLibraryDecorator) nativeCoverage() bool {
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return false
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}
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func (prebuilt *prebuiltLibraryDecorator) prebuiltSrcs() []string {
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srcs := prebuilt.Properties.Srcs
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if prebuilt.rlib() {
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srcs = append(srcs, prebuilt.libraryDecorator.Properties.Rlib.Srcs...)
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}
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if prebuilt.dylib() {
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srcs = append(srcs, prebuilt.libraryDecorator.Properties.Dylib.Srcs...)
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}
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return srcs
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}
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func (prebuilt *prebuiltLibraryDecorator) prebuilt() *android.Prebuilt {
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return &prebuilt.Prebuilt
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}
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func (prebuilt *prebuiltProcMacroDecorator) prebuiltSrcs() []string {
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srcs := prebuilt.Properties.Srcs
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return srcs
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}
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func (prebuilt *prebuiltProcMacroDecorator) prebuilt() *android.Prebuilt {
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return &prebuilt.Prebuilt
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}
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func (prebuilt *prebuiltProcMacroDecorator) compilerProps() []interface{} {
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return append(prebuilt.procMacroDecorator.compilerProps(),
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&prebuilt.Properties)
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}
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func (prebuilt *prebuiltProcMacroDecorator) compile(ctx ModuleContext, flags Flags, deps PathDeps) buildOutput {
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prebuilt.flagExporter.exportLinkDirs(android.PathsForModuleSrc(ctx, prebuilt.Properties.Link_dirs).Strings()...)
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prebuilt.flagExporter.setProvider(ctx)
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srcPath := prebuiltPath(ctx, prebuilt)
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prebuilt.baseCompiler.unstrippedOutputFile = srcPath
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return buildOutput{outputFile: srcPath}
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}
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func (prebuilt *prebuiltProcMacroDecorator) rustdoc(ctx ModuleContext, flags Flags,
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deps PathDeps) android.OptionalPath {
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return android.OptionalPath{}
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}
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func (prebuilt *prebuiltProcMacroDecorator) compilerDeps(ctx DepsContext, deps Deps) Deps {
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deps = prebuilt.baseCompiler.compilerDeps(ctx, deps)
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return deps
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}
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func (prebuilt *prebuiltProcMacroDecorator) nativeCoverage() bool {
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return false
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}
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