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Merge "rust: Import protos from dependent rust_protobuf" into main

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This commit is contained in:
Ivan Lozano 2023-09-28 15:58:48 +00:00 committed by Gerrit Code Review
commit a0d741edef
3 changed files with 131 additions and 23 deletions
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21
rust/protobuf.go
View file

@ -20,6 +20,7 @@ import (
"android/soong/android"
"android/soong/bazel"
"android/soong/cc"
"github.com/google/blueprint/proptools"
)
@ -59,14 +60,18 @@ type ProtobufProperties struct {
// Use protobuf version 3.x. This will be deleted once we migrate all current users
// of protobuf off of 2.x.
Use_protobuf3 *bool
// List of exported include paths containing proto files for dependent rust_protobuf modules.
Exported_include_dirs []string
}
type protobufDecorator struct {
*BaseSourceProvider
Properties ProtobufProperties
protoNames []string
grpcNames []string
Properties ProtobufProperties
protoNames []string
additionalCrates []string
grpcNames []string
grpcProtoFlags android.ProtoFlags
protoFlags android.ProtoFlags
@ -184,6 +189,10 @@ func (proto *protobufDecorator) GenerateSource(ctx ModuleContext, deps PathDeps)
// stemFile must be first here as the first path in BaseSourceProvider.OutputFiles is the library entry-point.
proto.BaseSourceProvider.OutputFiles = append(android.Paths{stemFile}, outputs.Paths()...)
ctx.SetProvider(cc.FlagExporterInfoProvider, cc.FlagExporterInfo{
IncludeDirs: android.PathsForModuleSrc(ctx, proto.Properties.Exported_include_dirs),
})
// mod_stem.rs is the entry-point for our library modules, so this is what we return.
return stemFile
}
@ -192,10 +201,16 @@ func (proto *protobufDecorator) genModFileContents() string {
lines := []string{
"// @Soong generated Source",
}
for _, protoName := range proto.protoNames {
lines = append(lines, fmt.Sprintf("pub mod %s;", protoName))
}
for _, crate := range proto.additionalCrates {
lines = append(lines, fmt.Sprintf("pub use %s::*;", crate))
}
for _, grpcName := range proto.grpcNames {
lines = append(lines, fmt.Sprintf("pub mod %s;", grpcName))
lines = append(lines, fmt.Sprintf("pub mod %s%s;", grpcName, grpcSuffix))

52
rust/protobuf_test.go
View file

@ -118,6 +118,58 @@ func TestRustProtobuf3(t *testing.T) {
}
}
func TestRustProtobufInclude(t *testing.T) {
ctx := testRust(t, `
rust_protobuf {
name: "librust_proto",
protos: ["proto.proto"],
crate_name: "rust_proto",
source_stem: "proto",
use_protobuf3: true,
rustlibs: ["librust_exported_proto", "libfoo"],
}
rust_protobuf {
name: "librust_exported_proto",
protos: ["proto.proto"],
crate_name: "rust_exported_proto",
source_stem: "exported_proto",
use_protobuf3: true,
exported_include_dirs: ["proto"]
}
rust_library {
name: "libfoo",
crate_name: "foo",
srcs: ["foo.rs"],
}
`)
// Check that librust_exported_proto is added as additional crate to generate source.
librust_proto := ctx.ModuleForTests("librust_proto", "android_arm64_armv8-a_source").Module().(*Module).sourceProvider.(*protobufDecorator)
if !android.InList("rust_exported_proto", librust_proto.additionalCrates) {
t.Errorf("librust_proto should have librust_exported_proto included as an additional crate for generated source, instead got: %#v", librust_proto.additionalCrates)
}
// Make sure the default crates aren't being included.
if android.InList("std", librust_proto.additionalCrates) {
t.Errorf("librust_proto should not have included libstd as an additional crate for generated source, instead got: %#v", librust_proto.additionalCrates)
}
if android.InList("protobuf", librust_proto.additionalCrates) {
t.Errorf("librust_proto should not have included libprotobuf as an additional crate for generated source, instead got: %#v", librust_proto.additionalCrates)
}
// And make sure that non-protobuf crates aren't getting included either.
if android.InList("foo", librust_proto.additionalCrates) {
t.Errorf("librust_proto should not have included libfoo as an additional crate for generated source, instead got: %#v", librust_proto.additionalCrates)
}
// Check librust_proto args includes -Iproto
librust_proto_rule := ctx.ModuleForTests("librust_proto", "android_arm64_armv8-a_source").Output("proto.rs")
cmd := librust_proto_rule.RuleParams.Command
if w := "-Iproto"; !strings.Contains(cmd, w) {
t.Errorf("expected %q in %q", w, cmd)
}
}
func TestRustGrpc(t *testing.T) {
ctx := testRust(t, `
rust_protobuf {

81
rust/rust.go
View file

@ -267,6 +267,15 @@ func (mod *Module) Dylib() bool {
return false
}
func (mod *Module) Source() bool {
if mod.compiler != nil {
if library, ok := mod.compiler.(libraryInterface); ok && mod.sourceProvider != nil {
return library.source()
}
}
return false
}
func (mod *Module) RlibStd() bool {
if mod.compiler != nil {
if library, ok := mod.compiler.(libraryInterface); ok && library.rlib() {
@ -1156,6 +1165,13 @@ func rustMakeLibName(ctx android.ModuleContext, c cc.LinkableInterface, dep cc.L
return cc.MakeLibName(ctx, c, dep, depName)
}
func collectIncludedProtos(mod *Module, dep *Module) {
if protoMod, ok := mod.sourceProvider.(*protobufDecorator); ok {
if _, ok := dep.sourceProvider.(*protobufDecorator); ok {
protoMod.additionalCrates = append(protoMod.additionalCrates, dep.CrateName())
}
}
}
func (mod *Module) depsToPaths(ctx android.ModuleContext) PathDeps {
var depPaths PathDeps
@ -1268,6 +1284,11 @@ func (mod *Module) depsToPaths(ctx android.ModuleContext) PathDeps {
case procMacroDepTag:
directProcMacroDeps = append(directProcMacroDeps, rustDep)
mod.Properties.AndroidMkProcMacroLibs = append(mod.Properties.AndroidMkProcMacroLibs, makeLibName)
case sourceDepTag:
if _, ok := mod.sourceProvider.(*protobufDecorator); ok {
collectIncludedProtos(mod, rustDep)
}
}
transitiveAndroidMkSharedLibs = append(transitiveAndroidMkSharedLibs, rustDep.transitiveAndroidMkSharedLibs)
@ -1308,7 +1329,14 @@ func (mod *Module) depsToPaths(ctx android.ModuleContext) PathDeps {
lib.exportLinkDirs(linkDir)
}
}
if depTag == sourceDepTag {
if _, ok := mod.sourceProvider.(*protobufDecorator); ok && mod.Source() {
if _, ok := rustDep.sourceProvider.(*protobufDecorator); ok {
exportedInfo := ctx.OtherModuleProvider(dep, cc.FlagExporterInfoProvider).(cc.FlagExporterInfo)
depPaths.depIncludePaths = append(depPaths.depIncludePaths, exportedInfo.IncludeDirs...)
}
}
}
} else if ccDep, ok := dep.(cc.LinkableInterface); ok {
//Handle C dependencies
makeLibName := cc.MakeLibName(ctx, mod, ccDep, depName)
@ -1572,30 +1600,43 @@ func (mod *Module) DepsMutator(actx android.BottomUpMutatorContext) {
}
// rustlibs
if deps.Rustlibs != nil && !mod.compiler.Disabled() {
autoDep := mod.compiler.(autoDeppable).autoDep(ctx)
for _, lib := range deps.Rustlibs {
if autoDep.depTag == rlibDepTag {
// Handle the rlib deptag case
addRlibDependency(actx, lib, mod, &snapshotInfo, rlibDepVariations)
} else {
// autoDep.depTag is a dylib depTag. Not all rustlibs may be available as a dylib however.
// Check for the existence of the dylib deptag variant. Select it if available,
// otherwise select the rlib variant.
autoDepVariations := append(commonDepVariations,
blueprint.Variation{Mutator: "rust_libraries", Variation: autoDep.variation})
replacementLib := cc.GetReplaceModuleName(lib, cc.GetSnapshot(mod, &snapshotInfo, actx).Dylibs)
if actx.OtherModuleDependencyVariantExists(autoDepVariations, replacementLib) {
addDylibDependency(actx, lib, mod, &snapshotInfo, autoDepVariations, autoDep.depTag)
} else {
// If there's no dylib dependency available, try to add the rlib dependency instead.
if deps.Rustlibs != nil {
if !mod.compiler.Disabled() {
for _, lib := range deps.Rustlibs {
autoDep := mod.compiler.(autoDeppable).autoDep(ctx)
if autoDep.depTag == rlibDepTag {
// Handle the rlib deptag case
addRlibDependency(actx, lib, mod, &snapshotInfo, rlibDepVariations)
} else {
// autoDep.depTag is a dylib depTag. Not all rustlibs may be available as a dylib however.
// Check for the existence of the dylib deptag variant. Select it if available,
// otherwise select the rlib variant.
autoDepVariations := append(commonDepVariations,
blueprint.Variation{Mutator: "rust_libraries", Variation: autoDep.variation})
replacementLib := cc.GetReplaceModuleName(lib, cc.GetSnapshot(mod, &snapshotInfo, actx).Dylibs)
if actx.OtherModuleDependencyVariantExists(autoDepVariations, replacementLib) {
addDylibDependency(actx, lib, mod, &snapshotInfo, autoDepVariations, autoDep.depTag)
} else {
// If there's no dylib dependency available, try to add the rlib dependency instead.
addRlibDependency(actx, lib, mod, &snapshotInfo, rlibDepVariations)
}
}
}
} else if _, ok := mod.sourceProvider.(*protobufDecorator); ok {
for _, lib := range deps.Rustlibs {
replacementLib := cc.GetReplaceModuleName(lib, cc.GetSnapshot(mod, &snapshotInfo, actx).Dylibs)
srcProviderVariations := append(commonDepVariations,
blueprint.Variation{Mutator: "rust_libraries", Variation: "source"})
if actx.OtherModuleDependencyVariantExists(srcProviderVariations, replacementLib) {
actx.AddVariationDependencies(srcProviderVariations, sourceDepTag, lib)
}
}
}
}
// stdlibs
if deps.Stdlibs != nil {
if mod.compiler.stdLinkage(ctx) == RlibLinkage {