Merge "Revert^4 "Integrate Rust-specific System Properties into rules... (a556c303) · Commits · e / os / android_build_soong

rust/testing.go

+1 −0

Original line number	Diff line number	Diff line
		@@ -75,6 +75,7 @@ func GatherRequiredDepsForTest() string {
		apex_available: ["//apex_available:platform", "//apex_available:anyapex"],
		min_sdk_version: "29",
		vendor_available: true,
		host_supported: true,
		recovery_available: true,
		llndk: {
		symbol_file: "liblog.map.txt",

sysprop/Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -11,6 +11,7 @@ bootstrap_go_package {
		"soong-android",
		"soong-cc",
		"soong-java",
		"soong-rust",
		],
		srcs: [
		"sysprop_library.go",

sysprop/sysprop_library.go

+125 −0

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@ import (
		"io"
		"os"
		"path"
		"strings"
		"sync"

		"github.com/google/blueprint"
		@@ -29,6 +30,7 @@ import (
		"android/soong/android"
		"android/soong/cc"
		"android/soong/java"
		"android/soong/rust"
		)

		type dependencyTag struct {
		@@ -51,7 +53,16 @@ type syspropJavaGenRule struct {
		genSrcjars android.Paths
		}

		type syspropRustGenRule struct {
		android.ModuleBase

		properties syspropGenProperties

		genSrcs android.Paths
		}

		var _ android.OutputFileProducer = (*syspropJavaGenRule)(nil)
		var _ android.OutputFileProducer = (*syspropRustGenRule)(nil)

		var (
		syspropJava = pctx.AndroidStaticRule("syspropJava",
		@@ -64,11 +75,20 @@ var (
		"$soongZipCmd",
		},
		}, "scope")
		syspropRust = pctx.AndroidStaticRule("syspropRust",
		blueprint.RuleParams{
		Command: `rm -rf $out_dir && mkdir -p $out_dir && ` +
		`$syspropRustCmd --scope $scope --rust-output-dir $out_dir $in`,
		CommandDeps: []string{
		"$syspropRustCmd",
		},
		}, "scope", "out_dir")
		)

		func init() {
		pctx.HostBinToolVariable("soongZipCmd", "soong_zip")
		pctx.HostBinToolVariable("syspropJavaCmd", "sysprop_java")
		pctx.HostBinToolVariable("syspropRustCmd", "sysprop_rust")
		}

		// syspropJavaGenRule module generates srcjar containing generated java APIs.
		@@ -122,6 +142,56 @@ func syspropJavaGenFactory() android.Module {
		return g
		}

		// syspropRustGenRule module generates rust source files containing generated rust APIs.
		// It also depends on check api rule, so api check has to pass to use sysprop_library.
		func (g *syspropRustGenRule) GenerateAndroidBuildActions(ctx android.ModuleContext) {
		var checkApiFileTimeStamp android.WritablePath

		ctx.VisitDirectDeps(func(dep android.Module) {
		if m, ok := dep.(*syspropLibrary); ok {
		checkApiFileTimeStamp = m.checkApiFileTimeStamp
		}
		})

		for _, syspropFile := range android.PathsForModuleSrc(ctx, g.properties.Srcs) {
		syspropDir := strings.TrimSuffix(syspropFile.String(), syspropFile.Ext())
		outputDir := android.PathForModuleGen(ctx, syspropDir, "src")
		libPath := android.PathForModuleGen(ctx, syspropDir, "src", "lib.rs")
		parsersPath := android.PathForModuleGen(ctx, syspropDir, "src", "gen_parsers_and_formatters.rs")

		ctx.Build(pctx, android.BuildParams{
		Rule: syspropRust,
		Description: "sysprop_rust " + syspropFile.Rel(),
		Outputs: android.WritablePaths{libPath, parsersPath},
		Input: syspropFile,
		Implicit: checkApiFileTimeStamp,
		Args: map[string]string{
		"scope": g.properties.Scope,
		"out_dir": outputDir.String(),
		},
		})

		g.genSrcs = append(g.genSrcs, libPath, parsersPath)
		}
		}

		func (g *syspropRustGenRule) DepsMutator(ctx android.BottomUpMutatorContext) {
		// Add a dependency from the stubs to sysprop library so that the generator rule can depend on
		// the check API rule of the sysprop library.
		ctx.AddFarVariationDependencies(nil, nil, proptools.String(g.properties.Check_api))
		}

		func (g *syspropRustGenRule) OutputFiles(_ string) (android.Paths, error) {
		return g.genSrcs, nil
		}

		func syspropRustGenFactory() android.Module {
		g := &syspropRustGenRule{}
		g.AddProperties(&g.properties)
		android.InitAndroidModule(g)
		return g
		}

		type syspropLibrary struct {
		android.ModuleBase
		android.ApexModuleBase
		@@ -180,6 +250,12 @@ type syspropLibraryProperties struct {
		// Forwarded to java_library.min_sdk_version
		Min_sdk_version *string
		}

		Rust struct {
		// Minimum sdk version that the artifact should support when it runs as part of mainline modules(APEX).
		// Forwarded to rust_library.min_sdk_version
		Min_sdk_version *string
		}
		}

		var (
		@@ -233,6 +309,21 @@ func (m *syspropLibrary) javaGenPublicStubName() string {
		return m.BaseModuleName() + "_java_gen_public"
		}

		func (m *syspropLibrary) rustGenModuleName() string {
		return m.rustCrateName() + "_rust_gen"
		}

		func (m *syspropLibrary) rustGenStubName() string {
		return "lib" + m.rustCrateName() + "_rust"
		}

		func (m *syspropLibrary) rustCrateName() string {
		moduleName := strings.ToLower(m.BaseModuleName())
		moduleName = strings.ReplaceAll(moduleName, "-", "_")
		moduleName = strings.ReplaceAll(moduleName, ".", "_")
		return moduleName
		}

		func (m *syspropLibrary) BaseModuleName() string {
		return m.ModuleBase.Name()
		}
		@@ -436,6 +527,18 @@ type javaLibraryProperties struct {
		Min_sdk_version *string
		}

		type rustLibraryProperties struct {
		Name *string
		Srcs []string
		Installable *bool
		Crate_name string
		Rustlibs []string
		Vendor_available *bool
		Product_available *bool
		Apex_available []string
		Min_sdk_version *string
		}

		func syspropLibraryHook(ctx android.LoadHookContext, m *syspropLibrary) {
		if len(m.properties.Srcs) == 0 {
		ctx.PropertyErrorf("srcs", "sysprop_library must specify srcs")
		@@ -564,6 +667,28 @@ func syspropLibraryHook(ctx android.LoadHookContext, m *syspropLibrary) {
		})
		}

		// Generate a Rust implementation library.
		ctx.CreateModule(syspropRustGenFactory, &syspropGenProperties{
		Srcs: m.properties.Srcs,
		Scope: scope,
		Name: proptools.StringPtr(m.rustGenModuleName()),
		Check_api: proptools.StringPtr(ctx.ModuleName()),
		})
		rustProps := rustLibraryProperties{
		Name: proptools.StringPtr(m.rustGenStubName()),
		Srcs: []string{":" + m.rustGenModuleName()},
		Installable: proptools.BoolPtr(false),
		Crate_name: m.rustCrateName(),
		Rustlibs: []string{
		"librustutils",
		},
		Vendor_available: m.properties.Vendor_available,
		Product_available: m.properties.Product_available,
		Apex_available: m.ApexProperties.Apex_available,
		Min_sdk_version: proptools.StringPtr("29"),
		}
		ctx.CreateModule(rust.RustLibraryFactory, &rustProps)

		// syspropLibraries will be used by property_contexts to check types.
		// Record absolute paths of sysprop_library to prevent soong_namespace problem.
		if m.ExportedToMake() {

sysprop/sysprop_test.go

+24 −12

Original line number	Diff line number	Diff line
		@@ -22,6 +22,7 @@ import (
		"android/soong/android"
		"android/soong/cc"
		"android/soong/java"
		"android/soong/rust"

		"github.com/google/blueprint/proptools"
		)
		@@ -46,18 +47,6 @@ func test(t testing.T, bp string) android.TestResult {
		recovery_available: true,
		}

		cc_library {
		name: "liblog",
		no_libcrt: true,
		nocrt: true,
		system_shared_libs: [],
		recovery_available: true,
		host_supported: true,
		llndk: {
		symbol_file: "liblog.map.txt",
		}
		}

		java_library {
		name: "sysprop-library-stub-platform",
		sdk_version: "core_current",
		@@ -74,6 +63,15 @@ func test(t testing.T, bp string) android.TestResult {
		product_specific: true,
		sdk_version: "core_current",
		}

		rust_library {
		name: "librustutils",
		crate_name: "rustutils",
		srcs: ["librustutils/lib.rs"],
		product_available: true,
		vendor_available: true,
		min_sdk_version: "29",
		}
		`

		mockFS := android.MockFS{
		@@ -115,11 +113,14 @@ func test(t testing.T, bp string) android.TestResult {
		"android/sysprop/PlatformProperties.sysprop": nil,
		"com/android/VendorProperties.sysprop": nil,
		"com/android2/OdmProperties.sysprop": nil,

		"librustutils/lib.rs": nil,
		}

		result := android.GroupFixturePreparers(
		cc.PrepareForTestWithCcDefaultModules,
		java.PrepareForTestWithJavaDefaultModules,
		rust.PrepareForTestWithRustDefaultModules,
		PrepareForTestWithSyspropBuildComponents,
		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
		variables.DeviceSystemSdkVersions = []string{"28"}
		@@ -356,6 +357,10 @@ func TestApexAvailabilityIsForwarded(t *testing.T) {
		javaModule := result.ModuleForTests("sysprop-platform", "android_common").Module().(*java.Library)
		propFromJava := javaModule.ApexProperties.Apex_available
		android.AssertDeepEquals(t, "apex_available forwarding to java module", expected, propFromJava)

		rustModule := result.ModuleForTests("libsysprop_platform_rust", "android_arm64_armv8-a_rlib_rlib-std").Module().(*rust.Module)
		propFromRust := rustModule.ApexProperties.Apex_available
		android.AssertDeepEquals(t, "apex_available forwarding to rust module", expected, propFromRust)
		}

		func TestMinSdkVersionIsForwarded(t *testing.T) {
		@@ -371,6 +376,9 @@ func TestMinSdkVersionIsForwarded(t *testing.T) {
		java: {
		min_sdk_version: "30",
		},
		rust: {
		min_sdk_version: "29",
		}
		}
		`)

		@@ -381,4 +389,8 @@ func TestMinSdkVersionIsForwarded(t *testing.T) {
		javaModule := result.ModuleForTests("sysprop-platform", "android_common").Module().(*java.Library)
		propFromJava := javaModule.MinSdkVersionString()
		android.AssertStringEquals(t, "min_sdk_version forwarding to java module", "30", propFromJava)

		rustModule := result.ModuleForTests("libsysprop_platform_rust", "android_arm64_armv8-a_rlib_rlib-std").Module().(*rust.Module)
		propFromRust := proptools.String(rustModule.Properties.Min_sdk_version)
		android.AssertStringEquals(t, "min_sdk_version forwarding to rust module", "29", propFromRust)
		}