Add a function to create config_setting(s) (6a448ec1) · Commits · e / os / android_build_soong

android/mutator.go

+23 −0

Original line number	Diff line number	Diff line
		@@ -273,6 +273,12 @@ type TopDownMutatorContext interface {
		// This function can be used to create alias definitions in a directory that is different
		// from the directory of the visited Soong module.
		CreateBazelTargetAliasInDir(dir string, name string, actual bazel.Label)

		// CreateBazelConfigSetting creates a config_setting in <dir>/BUILD.bazel
		// build/bazel has several static config_setting(s) that are used in Bazel builds.
		// This function can be used to createa additional config_setting(s) based on the build graph
		// (e.g. a config_setting specific to an apex variant)
		CreateBazelConfigSetting(csa bazel.ConfigSettingAttributes, ca CommonAttributes, dir string)
		}

		type topDownMutatorContext struct {
		@@ -738,6 +744,23 @@ func (t *topDownMutatorContext) CreateBazelTargetAliasInDir(
		mod.base().addBp2buildInfo(info)
		}

		func (t *topDownMutatorContext) CreateBazelConfigSetting(
		csa bazel.ConfigSettingAttributes,
		ca CommonAttributes,
		dir string) {
		mod := t.Module()
		info := bp2buildInfo{
		Dir: dir,
		BazelProps: bazel.BazelTargetModuleProperties{
		Rule_class: "config_setting",
		},
		CommonAttrs: ca,
		ConstraintAttrs: constraintAttributes{},
		Attrs: &csa,
		}
		mod.base().addBp2buildInfo(info)
		}

		// ApexAvailableTags converts the apex_available property value of an ApexModule
		// module and returns it as a list of keyed tags.
		func ApexAvailableTags(mod Module) bazel.StringListAttribute {

+11 −0

Original line number	Diff line number	Diff line
		@@ -1424,3 +1424,14 @@ func TryVariableSubstitution(s string, productVariable string) (string, bool) {
		sub := productVariableSubstitutionPattern.ReplaceAllString(s, "$("+productVariable+")")
		return sub, s != sub
		}

		// StringMapAttribute is a map of strings.
		// The use case for this is storing the flag_values in a config_setting object.
		// Bazel rules do not support map attributes, and this should NOT be used in Bazel rules.
		type StringMapAttribute map[string]string

		// ConfigSettingAttributes stores the keys of a config_setting object.
		type ConfigSettingAttributes struct {
		// Each key in Flag_values is a label to a custom string_setting
		Flag_values StringMapAttribute
		}

+5 −0

Original line number	Diff line number	Diff line
		@@ -600,6 +600,11 @@ func prettyPrint(propertyValue reflect.Value, indent int, emitZeroValues bool) (
		// TODO(b/164227191): implement pretty print for interfaces.
		// Interfaces are used for for arch, multilib and target properties.
		return "", nil
		case reflect.Map:
		if v, ok := propertyValue.Interface().(bazel.StringMapAttribute); ok {
		return starlark_fmt.PrintStringStringDict(v, indent), nil
		}
		return "", fmt.Errorf("bp2build expects map of type map[string]string for field: %s", propertyValue)
		default:
		return "", fmt.Errorf(
		"unexpected kind for property struct field: %s", propertyValue.Kind())

+33 −0

Original line number	Diff line number	Diff line
		@@ -1898,3 +1898,36 @@ func TestGenerateApiBazelTargets(t *testing.T) {
		Description: "Generating API contribution Bazel targets for custom module",
		})
		}

		func TestGenerateConfigSetting(t *testing.T) {
		bp := `
		custom {
		name: "foo",
		test_config_setting: true,
		}
		`
		expectedBazelTargets := []string{
		MakeBazelTargetNoRestrictions(
		"config_setting",
		"foo_config_setting",
		AttrNameToString{
		"flag_values": `{
		"//build/bazel/rules/my_string_setting": "foo",
		}`,
		},
		),
		MakeBazelTarget(
		"custom",
		"foo",
		AttrNameToString{},
		),
		}
		registerCustomModule := func(ctx android.RegistrationContext) {
		ctx.RegisterModuleType("custom", customModuleFactoryHostAndDevice)
		}
		RunBp2BuildTestCase(t, registerCustomModule, Bp2buildTestCase{
		Blueprint: bp,
		ExpectedBazelTargets: expectedBazelTargets,
		Description: "Generating API contribution Bazel targets for custom module",
		})
		}

+3 −0

Original line number	Diff line number	Diff line
		@@ -108,6 +108,7 @@ custom = rule(
		"string_literal_prop": attr.string(),
		"string_prop": attr.string(),
		"string_ptr_prop": attr.string(),
		"test_config_setting": attr.bool(),
		},
		)

		@@ -139,6 +140,7 @@ custom_defaults = rule(
		"string_literal_prop": attr.string(),
		"string_prop": attr.string(),
		"string_ptr_prop": attr.string(),
		"test_config_setting": attr.bool(),
		},
		)

		@@ -170,6 +172,7 @@ custom_test_ = rule(
		"string_literal_prop": attr.string(),
		"string_prop": attr.string(),
		"string_ptr_prop": attr.string(),
		"test_config_setting": attr.bool(),
		# test_prop start
		# "test_string_prop": attr.string(),
		# test_prop end