da931d4abd
Bindgen generated bindings will not pass lints, so we need to disable them when building bindings crates. Test: m libbinder_ndk_bindgen Change-Id: I4536f15f8505ff8d5436f1e6cbc2035e6801276d
294 lines
9.3 KiB
Go
294 lines
9.3 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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"fmt"
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"path/filepath"
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"github.com/google/blueprint/proptools"
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"android/soong/android"
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"android/soong/rust/config"
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)
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func (compiler *baseCompiler) edition() string {
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return proptools.StringDefault(compiler.Properties.Edition, config.DefaultEdition)
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}
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func (compiler *baseCompiler) setNoStdlibs() {
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compiler.Properties.No_stdlibs = proptools.BoolPtr(true)
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}
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func (compiler *baseCompiler) setNoLint() {
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compiler.Properties.No_lint = proptools.BoolPtr(true)
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}
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func NewBaseCompiler(dir, dir64 string, location installLocation) *baseCompiler {
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return &baseCompiler{
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Properties: BaseCompilerProperties{},
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dir: dir,
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dir64: dir64,
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location: location,
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}
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}
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type installLocation int
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const (
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InstallInSystem installLocation = 0
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InstallInData = iota
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incorrectSourcesError = "srcs can only contain one path for a rust file and source providers prefixed by \":\""
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)
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type BaseCompilerProperties struct {
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// path to the source file that is the main entry point of the program (e.g. main.rs or lib.rs)
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Srcs []string `android:"path,arch_variant"`
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// whether to suppress the standard lint flags - default to false
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No_lint *bool
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// flags to pass to rustc
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Flags []string `android:"path,arch_variant"`
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// flags to pass to the linker
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Ld_flags []string `android:"path,arch_variant"`
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// list of rust rlib crate dependencies
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Rlibs []string `android:"arch_variant"`
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// list of rust dylib crate dependencies
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Dylibs []string `android:"arch_variant"`
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// list of rust automatic crate dependencies
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Rustlibs []string `android:"arch_variant"`
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// list of rust proc_macro crate dependencies
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Proc_macros []string `android:"arch_variant"`
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// list of C shared library dependencies
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Shared_libs []string `android:"arch_variant"`
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// list of C static library dependencies
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Static_libs []string `android:"arch_variant"`
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// crate name, required for modules which produce Rust libraries: rust_library, rust_ffi and SourceProvider
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// modules which create library variants (rust_bindgen). This must be the expected extern crate name used in
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// source, and is required to conform to an enforced format matching library output files (if the output file is
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// lib<someName><suffix>, the crate_name property must be <someName>).
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Crate_name string `android:"arch_variant"`
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// list of features to enable for this crate
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Features []string `android:"arch_variant"`
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// specific rust edition that should be used if the default version is not desired
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Edition *string `android:"arch_variant"`
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// sets name of the output
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Stem *string `android:"arch_variant"`
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// append to name of output
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Suffix *string `android:"arch_variant"`
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// install to a subdirectory of the default install path for the module
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Relative_install_path *string `android:"arch_variant"`
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// whether to suppress inclusion of standard crates - defaults to false
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No_stdlibs *bool
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}
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type baseCompiler struct {
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Properties BaseCompilerProperties
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coverageFile android.Path //rustc generates a single gcno file
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// Install related
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dir string
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dir64 string
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subDir string
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relative string
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path android.InstallPath
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location installLocation
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coverageOutputZipFile android.OptionalPath
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unstrippedOutputFile android.Path
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distFile android.OptionalPath
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}
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func (compiler *baseCompiler) Disabled() bool {
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return false
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}
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func (compiler *baseCompiler) SetDisabled() {
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panic("baseCompiler does not implement SetDisabled()")
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}
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func (compiler *baseCompiler) coverageOutputZipPath() android.OptionalPath {
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panic("baseCompiler does not implement coverageOutputZipPath()")
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}
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var _ compiler = (*baseCompiler)(nil)
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func (compiler *baseCompiler) inData() bool {
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return compiler.location == InstallInData
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}
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func (compiler *baseCompiler) compilerProps() []interface{} {
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return []interface{}{&compiler.Properties}
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}
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func (compiler *baseCompiler) featuresToFlags(features []string) []string {
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flags := []string{}
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for _, feature := range features {
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flags = append(flags, "--cfg 'feature=\""+feature+"\"'")
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}
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return flags
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}
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func (compiler *baseCompiler) compilerFlags(ctx ModuleContext, flags Flags) Flags {
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if !Bool(compiler.Properties.No_lint) {
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flags.RustFlags = append(flags.RustFlags, config.RustcLintsForDir(ctx.ModuleDir()))
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}
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flags.RustFlags = append(flags.RustFlags, compiler.Properties.Flags...)
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flags.RustFlags = append(flags.RustFlags, compiler.featuresToFlags(compiler.Properties.Features)...)
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flags.RustFlags = append(flags.RustFlags, "--edition="+compiler.edition())
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flags.LinkFlags = append(flags.LinkFlags, compiler.Properties.Ld_flags...)
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flags.GlobalRustFlags = append(flags.GlobalRustFlags, config.GlobalRustFlags...)
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flags.GlobalRustFlags = append(flags.GlobalRustFlags, ctx.toolchain().ToolchainRustFlags())
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flags.GlobalLinkFlags = append(flags.GlobalLinkFlags, ctx.toolchain().ToolchainLinkFlags())
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if ctx.Host() && !ctx.Windows() {
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rpath_prefix := `\$$ORIGIN/`
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if ctx.Darwin() {
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rpath_prefix = "@loader_path/"
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}
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var rpath string
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if ctx.toolchain().Is64Bit() {
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rpath = "lib64"
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} else {
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rpath = "lib"
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}
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flags.LinkFlags = append(flags.LinkFlags, "-Wl,-rpath,"+rpath_prefix+rpath)
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flags.LinkFlags = append(flags.LinkFlags, "-Wl,-rpath,"+rpath_prefix+"../"+rpath)
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}
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return flags
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}
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func (compiler *baseCompiler) compile(ctx ModuleContext, flags Flags, deps PathDeps) android.Path {
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panic(fmt.Errorf("baseCrater doesn't know how to crate things!"))
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}
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func (compiler *baseCompiler) compilerDeps(ctx DepsContext, deps Deps) Deps {
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deps.Rlibs = append(deps.Rlibs, compiler.Properties.Rlibs...)
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deps.Dylibs = append(deps.Dylibs, compiler.Properties.Dylibs...)
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deps.Rustlibs = append(deps.Rustlibs, compiler.Properties.Rustlibs...)
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deps.ProcMacros = append(deps.ProcMacros, compiler.Properties.Proc_macros...)
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deps.StaticLibs = append(deps.StaticLibs, compiler.Properties.Static_libs...)
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deps.SharedLibs = append(deps.SharedLibs, compiler.Properties.Shared_libs...)
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if !Bool(compiler.Properties.No_stdlibs) {
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for _, stdlib := range config.Stdlibs {
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// If we're building for the primary host target, use the compiler's stdlibs
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if ctx.Host() && ctx.TargetPrimary() {
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stdlib = stdlib + "_" + ctx.toolchain().RustTriple()
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}
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deps.Rustlibs = append(deps.Rustlibs, stdlib)
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}
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}
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return deps
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}
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func bionicDeps(deps Deps) Deps {
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deps.SharedLibs = append(deps.SharedLibs, "liblog")
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deps.SharedLibs = append(deps.SharedLibs, "libc")
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deps.SharedLibs = append(deps.SharedLibs, "libm")
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deps.SharedLibs = append(deps.SharedLibs, "libdl")
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//TODO(b/141331117) libstd requires libgcc on Android
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deps.StaticLibs = append(deps.StaticLibs, "libgcc")
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return deps
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}
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func (compiler *baseCompiler) crateName() string {
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return compiler.Properties.Crate_name
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}
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func (compiler *baseCompiler) installDir(ctx ModuleContext) android.InstallPath {
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dir := compiler.dir
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if ctx.toolchain().Is64Bit() && compiler.dir64 != "" {
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dir = compiler.dir64
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}
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if ctx.Target().NativeBridge == android.NativeBridgeEnabled {
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dir = filepath.Join(dir, ctx.Target().NativeBridgeRelativePath)
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}
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if !ctx.Host() && ctx.Config().HasMultilibConflict(ctx.Arch().ArchType) {
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dir = filepath.Join(dir, ctx.Arch().ArchType.String())
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}
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return android.PathForModuleInstall(ctx, dir, compiler.subDir,
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compiler.relativeInstallPath(), compiler.relative)
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}
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func (compiler *baseCompiler) nativeCoverage() bool {
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return false
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}
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func (compiler *baseCompiler) install(ctx ModuleContext, file android.Path) {
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compiler.path = ctx.InstallFile(compiler.installDir(ctx), file.Base(), file)
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}
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func (compiler *baseCompiler) getStem(ctx ModuleContext) string {
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return compiler.getStemWithoutSuffix(ctx) + String(compiler.Properties.Suffix)
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}
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func (compiler *baseCompiler) getStemWithoutSuffix(ctx BaseModuleContext) string {
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stem := ctx.ModuleName()
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if String(compiler.Properties.Stem) != "" {
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stem = String(compiler.Properties.Stem)
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}
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return stem
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}
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func (compiler *baseCompiler) relativeInstallPath() string {
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return String(compiler.Properties.Relative_install_path)
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}
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// Returns the Path for the main source file along with Paths for generated source files from modules listed in srcs.
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func srcPathFromModuleSrcs(ctx ModuleContext, srcs []string) (android.Path, android.Paths) {
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// The srcs can contain strings with prefix ":".
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// They are dependent modules of this module, with android.SourceDepTag.
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// They are not the main source file compiled by rustc.
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numSrcs := 0
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srcIndex := 0
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for i, s := range srcs {
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if android.SrcIsModule(s) == "" {
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numSrcs++
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srcIndex = i
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}
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}
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if numSrcs != 1 {
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ctx.PropertyErrorf("srcs", incorrectSourcesError)
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}
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if srcIndex != 0 {
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ctx.PropertyErrorf("srcs", "main source file must be the first in srcs")
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}
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paths := android.PathsForModuleSrc(ctx, srcs)
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return paths[srcIndex], paths[1:]
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}
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