Remove more unused code
Bug: 315353489
Test: builds
Change-Id: I34cf772ba3c927bbbc141afb149cf0501ca6351f
diff --git a/android/arch.go b/android/arch.go
index 9e79e31..f430364 100644
--- a/android/arch.go
+++ b/android/arch.go
@@ -16,16 +16,11 @@
import (
"encoding"
- "encoding/json"
"fmt"
"reflect"
"runtime"
- "sort"
"strings"
- "android/soong/bazel"
- "android/soong/starlark_fmt"
-
"github.com/google/blueprint"
"github.com/google/blueprint/bootstrap"
"github.com/google/blueprint/proptools"
@@ -1899,428 +1894,8 @@
return buildTargets, nil
}
-func (m *ModuleBase) getArchPropertySet(propertySet interface{}, archType ArchType) interface{} {
- archString := archType.Field
- for i := range m.archProperties {
- if m.archProperties[i] == nil {
- // Skip over nil properties
- continue
- }
-
- // Not archProperties are usable; this function looks for properties of a very specific
- // form, and ignores the rest.
- for _, archProperty := range m.archProperties[i] {
- // archPropValue is a property struct, we are looking for the form:
- // `arch: { arm: { key: value, ... }}`
- archPropValue := reflect.ValueOf(archProperty).Elem()
-
- // Unwrap src so that it should looks like a pointer to `arm: { key: value, ... }`
- src := archPropValue.FieldByName("Arch").Elem()
-
- // Step into non-nil pointers to structs in the src value.
- if src.Kind() == reflect.Ptr {
- if src.IsNil() {
- continue
- }
- src = src.Elem()
- }
-
- // Find the requested field (e.g. arm, x86) in the src struct.
- src = src.FieldByName(archString)
-
- // We only care about structs.
- if !src.IsValid() || src.Kind() != reflect.Struct {
- continue
- }
-
- // If the value of the field is a struct then step into the
- // BlueprintEmbed field. The special "BlueprintEmbed" name is
- // used by createArchPropTypeDesc to embed the arch properties
- // in the parent struct, so the src arch prop should be in this
- // field.
- //
- // See createArchPropTypeDesc for more details on how Arch-specific
- // module properties are processed from the nested props and written
- // into the module's archProperties.
- src = src.FieldByName("BlueprintEmbed")
-
- // Clone the destination prop, since we want a unique prop struct per arch.
- propertySetClone := reflect.New(reflect.ValueOf(propertySet).Elem().Type()).Interface()
-
- // Copy the located property struct into the cloned destination property struct.
- err := proptools.ExtendMatchingProperties([]interface{}{propertySetClone}, src.Interface(), nil, proptools.OrderReplace)
- if err != nil {
- // This is fine, it just means the src struct doesn't match the type of propertySet.
- continue
- }
-
- return propertySetClone
- }
- }
- // No property set was found specific to the given arch, so return an empty
- // property set.
- return reflect.New(reflect.ValueOf(propertySet).Elem().Type()).Interface()
-}
-
-// getMultilibPropertySet returns a property set struct matching the type of
-// `propertySet`, containing multilib-specific module properties for the given architecture.
-// If no multilib-specific properties exist for the given architecture, returns an empty property
-// set matching `propertySet`'s type.
-func (m *ModuleBase) getMultilibPropertySet(propertySet interface{}, archType ArchType) interface{} {
- // archType.Multilib is lowercase (for example, lib32) but property struct field is
- // capitalized, such as Lib32, so use strings.Title to capitalize it.
- multiLibString := strings.Title(archType.Multilib)
-
- for i := range m.archProperties {
- if m.archProperties[i] == nil {
- // Skip over nil properties
- continue
- }
-
- // Not archProperties are usable; this function looks for properties of a very specific
- // form, and ignores the rest.
- for _, archProperties := range m.archProperties[i] {
- // archPropValue is a property struct, we are looking for the form:
- // `multilib: { lib32: { key: value, ... }}`
- archPropValue := reflect.ValueOf(archProperties).Elem()
-
- // Unwrap src so that it should looks like a pointer to `lib32: { key: value, ... }`
- src := archPropValue.FieldByName("Multilib").Elem()
-
- // Step into non-nil pointers to structs in the src value.
- if src.Kind() == reflect.Ptr {
- if src.IsNil() {
- // Ignore nil pointers.
- continue
- }
- src = src.Elem()
- }
-
- // Find the requested field (e.g. lib32) in the src struct.
- src = src.FieldByName(multiLibString)
-
- // We only care about valid struct pointers.
- if !src.IsValid() || src.Kind() != reflect.Ptr || src.Elem().Kind() != reflect.Struct {
- continue
- }
-
- // Get the zero value for the requested property set.
- propertySetClone := reflect.New(reflect.ValueOf(propertySet).Elem().Type()).Interface()
-
- // Copy the located property struct into the "zero" property set struct.
- err := proptools.ExtendMatchingProperties([]interface{}{propertySetClone}, src.Interface(), nil, proptools.OrderReplace)
-
- if err != nil {
- // This is fine, it just means the src struct doesn't match.
- continue
- }
-
- return propertySetClone
- }
- }
-
- // There were no multilib properties specifically matching the given archtype.
- // Return zeroed value.
- return reflect.New(reflect.ValueOf(propertySet).Elem().Type()).Interface()
-}
-
// ArchVariantContext defines the limited context necessary to retrieve arch_variant properties.
type ArchVariantContext interface {
ModuleErrorf(fmt string, args ...interface{})
PropertyErrorf(property, fmt string, args ...interface{})
}
-
-// ArchVariantProperties represents a map of arch-variant config strings to a property interface{}.
-type ArchVariantProperties map[string]interface{}
-
-// ConfigurationAxisToArchVariantProperties represents a map of bazel.ConfigurationAxis to
-// ArchVariantProperties, such that each independent arch-variant axis maps to the
-// configs/properties for that axis.
-type ConfigurationAxisToArchVariantProperties map[bazel.ConfigurationAxis]ArchVariantProperties
-
-// GetArchVariantProperties returns a ConfigurationAxisToArchVariantProperties where the
-// arch-variant properties correspond to the values of the properties of the 'propertySet' struct
-// that are specific to that axis/configuration. Each axis is independent, containing
-// non-overlapping configs that correspond to the various "arch-variant" support, at this time:
-//
-// arches (including multilib)
-// oses
-// arch+os combinations
-//
-// For example, passing a struct { Foo bool, Bar string } will return an interface{} that can be
-// type asserted back into the same struct, containing the config-specific property value specified
-// by the module if defined.
-//
-// Arch-specific properties may come from an arch stanza or a multilib stanza; properties
-// in these stanzas are combined.
-// For example: `arch: { x86: { Foo: ["bar"] } }, multilib: { lib32: {` Foo: ["baz"] } }`
-// will result in `Foo: ["bar", "baz"]` being returned for architecture x86, if the given
-// propertyset contains `Foo []string`.
-func (m *ModuleBase) GetArchVariantProperties(ctx ArchVariantContext, propertySet interface{}) ConfigurationAxisToArchVariantProperties {
- // Return value of the arch types to the prop values for that arch.
- axisToProps := ConfigurationAxisToArchVariantProperties{}
-
- // Nothing to do for non-arch-specific modules.
- if !m.ArchSpecific() {
- return axisToProps
- }
-
- dstType := reflect.ValueOf(propertySet).Type()
- var archProperties []interface{}
-
- // First find the property set in the module that corresponds to the requested
- // one. m.archProperties[i] corresponds to m.GetProperties()[i].
- for i, generalProp := range m.GetProperties() {
- srcType := reflect.ValueOf(generalProp).Type()
- if srcType == dstType {
- archProperties = m.archProperties[i]
- axisToProps[bazel.NoConfigAxis] = ArchVariantProperties{"": generalProp}
- break
- }
- }
-
- if archProperties == nil {
- // This module does not have the property set requested
- return axisToProps
- }
-
- archToProp := ArchVariantProperties{}
- // For each arch type (x86, arm64, etc.)
- for _, arch := range ArchTypeList() {
- // Arch properties are sometimes sharded (see createArchPropTypeDesc() ).
- // Iterate over every shard and extract a struct with the same type as the
- // input one that contains the data specific to that arch.
- propertyStructs := make([]reflect.Value, 0)
- archFeaturePropertyStructs := make(map[string][]reflect.Value, 0)
- for _, archProperty := range archProperties {
- archTypeStruct, ok := getArchTypeStruct(ctx, archProperty, arch)
- if ok {
- propertyStructs = append(propertyStructs, archTypeStruct)
-
- // For each feature this arch supports (arm: neon, x86: ssse3, sse4, ...)
- for _, feature := range archFeatures[arch] {
- prefix := "arch." + arch.Name + "." + feature
- if featureProperties, ok := getChildPropertyStruct(ctx, archTypeStruct, feature, prefix); ok {
- archFeaturePropertyStructs[feature] = append(archFeaturePropertyStructs[feature], featureProperties)
- }
- }
- }
- multilibStruct, ok := getMultilibStruct(ctx, archProperty, arch)
- if ok {
- propertyStructs = append(propertyStructs, multilibStruct)
- }
- }
-
- archToProp[arch.Name] = mergeStructs(ctx, propertyStructs, propertySet)
-
- // In soong, if multiple features match the current configuration, they're
- // all used. In bazel, we have to have unambiguous select() statements, so
- // we can't have two features that are both active in the same select().
- // One alternative is to split out each feature into a separate select(),
- // but then it's difficult to support exclude_srcs, which may need to
- // exclude things from the regular arch select() statement if a certain
- // feature is active. Instead, keep the features in the same select
- // statement as the arches, but emit the power set of all possible
- // combinations of features, so that bazel can match the most precise one.
- allFeatures := make([]string, 0, len(archFeaturePropertyStructs))
- for feature := range archFeaturePropertyStructs {
- allFeatures = append(allFeatures, feature)
- }
- for _, features := range bazel.PowerSetWithoutEmptySet(allFeatures) {
- sort.Strings(features)
- propsForCurrentFeatureSet := make([]reflect.Value, 0)
- propsForCurrentFeatureSet = append(propsForCurrentFeatureSet, propertyStructs...)
- for _, feature := range features {
- propsForCurrentFeatureSet = append(propsForCurrentFeatureSet, archFeaturePropertyStructs[feature]...)
- }
- archToProp[arch.Name+"-"+strings.Join(features, "-")] =
- mergeStructs(ctx, propsForCurrentFeatureSet, propertySet)
- }
- }
- axisToProps[bazel.ArchConfigurationAxis] = archToProp
-
- osToProp := ArchVariantProperties{}
- archOsToProp := ArchVariantProperties{}
-
- linuxStructs := getTargetStructs(ctx, archProperties, "Linux")
- bionicStructs := getTargetStructs(ctx, archProperties, "Bionic")
- hostStructs := getTargetStructs(ctx, archProperties, "Host")
- hostLinuxStructs := getTargetStructs(ctx, archProperties, "Host_linux")
- hostNotWindowsStructs := getTargetStructs(ctx, archProperties, "Not_windows")
-
- // For android, linux, ...
- for _, os := range osTypeList {
- if os == CommonOS {
- // It looks like this OS value is not used in Blueprint files
- continue
- }
- osStructs := make([]reflect.Value, 0)
-
- osSpecificStructs := getTargetStructs(ctx, archProperties, os.Field)
- if os.Class == Host {
- osStructs = append(osStructs, hostStructs...)
- }
- if os.Linux() {
- osStructs = append(osStructs, linuxStructs...)
- }
- if os.Bionic() {
- osStructs = append(osStructs, bionicStructs...)
- }
- if os.Linux() && os.Class == Host {
- osStructs = append(osStructs, hostLinuxStructs...)
- }
-
- if os == LinuxMusl {
- osStructs = append(osStructs, getTargetStructs(ctx, archProperties, "Musl")...)
- }
- if os == Linux {
- osStructs = append(osStructs, getTargetStructs(ctx, archProperties, "Glibc")...)
- }
-
- osStructs = append(osStructs, osSpecificStructs...)
-
- if os.Class == Host && os != Windows {
- osStructs = append(osStructs, hostNotWindowsStructs...)
- }
- osToProp[os.Name] = mergeStructs(ctx, osStructs, propertySet)
-
- // For arm, x86, ...
- for _, arch := range osArchTypeMap[os] {
- osArchStructs := make([]reflect.Value, 0)
-
- // Auto-combine with Linux_ and Bionic_ targets. This potentially results in
- // repetition and select() bloat, but use of Linux_* and Bionic_* targets is rare.
- // TODO(b/201423152): Look into cleanup.
- if os.Linux() {
- targetField := "Linux_" + arch.Name
- targetStructs := getTargetStructs(ctx, archProperties, targetField)
- osArchStructs = append(osArchStructs, targetStructs...)
- }
- if os.Bionic() {
- targetField := "Bionic_" + arch.Name
- targetStructs := getTargetStructs(ctx, archProperties, targetField)
- osArchStructs = append(osArchStructs, targetStructs...)
- }
- if os == LinuxMusl {
- targetField := "Musl_" + arch.Name
- targetStructs := getTargetStructs(ctx, archProperties, targetField)
- osArchStructs = append(osArchStructs, targetStructs...)
- }
- if os == Linux {
- targetField := "Glibc_" + arch.Name
- targetStructs := getTargetStructs(ctx, archProperties, targetField)
- osArchStructs = append(osArchStructs, targetStructs...)
- }
-
- targetField := GetCompoundTargetField(os, arch)
- targetName := fmt.Sprintf("%s_%s", os.Name, arch.Name)
- targetStructs := getTargetStructs(ctx, archProperties, targetField)
- osArchStructs = append(osArchStructs, targetStructs...)
-
- archOsToProp[targetName] = mergeStructs(ctx, osArchStructs, propertySet)
- }
- }
-
- axisToProps[bazel.OsConfigurationAxis] = osToProp
- axisToProps[bazel.OsArchConfigurationAxis] = archOsToProp
- return axisToProps
-}
-
-// Returns a struct matching the propertySet interface, containing properties specific to the targetName
-// For example, given these arguments:
-//
-// propertySet = BaseCompilerProperties
-// targetName = "android_arm"
-//
-// And given this Android.bp fragment:
-//
-// target:
-// android_arm: {
-// srcs: ["foo.c"],
-// }
-// android_arm64: {
-// srcs: ["bar.c"],
-// }
-// }
-//
-// This would return a BaseCompilerProperties with BaseCompilerProperties.Srcs = ["foo.c"]
-func getTargetStructs(ctx ArchVariantContext, archProperties []interface{}, targetName string) []reflect.Value {
- var propertyStructs []reflect.Value
- for _, archProperty := range archProperties {
- archPropValues := reflect.ValueOf(archProperty).Elem()
- targetProp := archPropValues.FieldByName("Target").Elem()
- targetStruct, ok := getChildPropertyStruct(ctx, targetProp, targetName, targetName)
- if ok {
- propertyStructs = append(propertyStructs, targetStruct)
- } else {
- return []reflect.Value{}
- }
- }
-
- return propertyStructs
-}
-
-func mergeStructs(ctx ArchVariantContext, propertyStructs []reflect.Value, propertySet interface{}) interface{} {
- // Create a new instance of the requested property set
- value := reflect.New(reflect.ValueOf(propertySet).Elem().Type()).Interface()
-
- // Merge all the structs together
- for _, propertyStruct := range propertyStructs {
- mergePropertyStruct(ctx, value, propertyStruct)
- }
-
- return value
-}
-
-func printArchTypeStarlarkDict(dict map[ArchType][]string) string {
- valDict := make(map[string]string, len(dict))
- for k, v := range dict {
- valDict[k.String()] = starlark_fmt.PrintStringList(v, 1)
- }
- return starlark_fmt.PrintDict(valDict, 0)
-}
-
-func printArchTypeNestedStarlarkDict(dict map[ArchType]map[string][]string) string {
- valDict := make(map[string]string, len(dict))
- for k, v := range dict {
- valDict[k.String()] = starlark_fmt.PrintStringListDict(v, 1)
- }
- return starlark_fmt.PrintDict(valDict, 0)
-}
-
-func printArchConfigList(arches []archConfig) string {
- jsonOut, err := json.MarshalIndent(arches, "", starlark_fmt.Indention(1))
- if err != nil {
- panic(fmt.Errorf("Error converting arch configs %#v to json: %q", arches, err))
- }
- return fmt.Sprintf("json.decode('''%s''')", string(jsonOut))
-}
-
-func StarlarkArchConfigurations() string {
- return fmt.Sprintf(`
-_arch_to_variants = %s
-
-_arch_to_cpu_variants = %s
-
-_arch_to_features = %s
-
-_android_arch_feature_for_arch_variant = %s
-
-_aml_arches = %s
-
-_ndk_arches = %s
-
-arch_to_variants = _arch_to_variants
-arch_to_cpu_variants = _arch_to_cpu_variants
-arch_to_features = _arch_to_features
-android_arch_feature_for_arch_variants = _android_arch_feature_for_arch_variant
-aml_arches = _aml_arches
-ndk_arches = _ndk_arches
-`, printArchTypeStarlarkDict(archVariants),
- printArchTypeStarlarkDict(cpuVariants),
- printArchTypeStarlarkDict(archFeatures),
- printArchTypeNestedStarlarkDict(androidArchFeatureMap),
- printArchConfigList(getAmlAbisConfig()),
- printArchConfigList(getNdkAbisConfig()),
- )
-}
diff --git a/android/variable.go b/android/variable.go
index 9b630c0..583c950 100644
--- a/android/variable.go
+++ b/android/variable.go
@@ -20,8 +20,6 @@
"runtime"
"strings"
- "android/soong/bazel"
-
"github.com/google/blueprint/proptools"
)
@@ -492,10 +490,6 @@
CheckVendorSeappViolations *bool `json:",omitempty"`
- // PartitionVarsForBazelMigrationOnlyDoNotUse are extra variables that are used to define the
- // partition images. They should not be read from soong modules.
- PartitionVarsForBazelMigrationOnlyDoNotUse PartitionVariables `json:",omitempty"`
-
BuildFlags map[string]string `json:",omitempty"`
BuildFromSourceStub *bool `json:",omitempty"`
@@ -645,387 +639,6 @@
return val == "true"
}
-// ProductConfigContext requires the access to the Module to get product config properties.
-type ProductConfigContext interface {
- Module() Module
-}
-
-// ProductConfigOrSoongConfigProperty represents either a soong config variable + its value
-// or a product config variable. You can get both a ConfigurationAxis and a SelectKey from it
-// for use in bazel attributes. ProductVariableProperties() will return a map from properties ->
-// this interface -> property structs for use in bp2build converters
-type ProductConfigOrSoongConfigProperty interface {
- // Name of the product variable or soong config variable
- Name() string
- // AlwaysEmit returns true for soong config variables but false for product variables. This
- // is intended to indicate if we need to always emit empty lists in the select statements.
- AlwaysEmit() bool
- // ConfigurationAxis returns the bazel.ConfigurationAxis that represents this variable. The
- // configuration axis will change depending on the variable and whether it's arch/os variant
- // as well.
- ConfigurationAxis() bazel.ConfigurationAxis
- // SelectKey returns a string that represents the key of a select branch, however, it is not
- // actually the real label written out to the build file.
- // this.ConfigurationAxis().SelectKey(this.SelectKey()) will give the actual label.
- SelectKey() string
-}
-
-// ProductConfigProperty represents a product config variable, and if it is arch-variant or not.
-type ProductConfigProperty struct {
- // The name of the product variable, e.g. "safestack", "malloc_not_svelte",
- // "board"
- name string
-
- arch string
-}
-
-func (p ProductConfigProperty) Name() string {
- return p.name
-}
-
-func (p ProductConfigProperty) AlwaysEmit() bool {
- return false
-}
-
-func (p ProductConfigProperty) ConfigurationAxis() bazel.ConfigurationAxis {
- return bazel.ProductVariableConfigurationAxis(p.arch != "", p.name+"__"+p.arch)
-}
-
-func (p ProductConfigProperty) SelectKey() string {
- if p.arch == "" {
- return strings.ToLower(p.name)
- } else {
- return strings.ToLower(p.name + "-" + p.arch)
- }
-}
-
-// SoongConfigProperty represents a soong config variable, its value if it's a string variable,
-// and if it's dependent on the OS or not
-type SoongConfigProperty struct {
- name string
- namespace string
- // Can be an empty string for bool/value soong config variables
- value string
- // If there is a target: field inside a soong config property struct, the os that it selects
- // on will be represented here.
- os string
-}
-
-func (p SoongConfigProperty) Name() string {
- return p.name
-}
-
-func (p SoongConfigProperty) AlwaysEmit() bool {
- return true
-}
-
-func (p SoongConfigProperty) ConfigurationAxis() bazel.ConfigurationAxis {
- return bazel.ProductVariableConfigurationAxis(false, p.namespace+"__"+p.name+"__"+p.os)
-}
-
-// SelectKey returns the literal string that represents this variable in a BUILD
-// select statement.
-func (p SoongConfigProperty) SelectKey() string {
- // p.value being conditions_default can happen with or without a desired os. When not using
- // an os, we want to emit literally just //conditions:default in the select statement, but
- // when using an os, we want to emit namespace__name__conditions_default__os, so that
- // the branch is only taken if the variable is not set, and we're on the desired os.
- // ConfigurationAxis#SelectKey will map the conditions_default result of this function to
- // //conditions:default.
- if p.value == bazel.ConditionsDefaultConfigKey && p.os == "" {
- return bazel.ConditionsDefaultConfigKey
- }
-
- parts := []string{p.namespace, p.name}
- if p.value != "" && p.value != bazel.ConditionsDefaultSelectKey {
- parts = append(parts, p.value)
- }
- if p.os != "" {
- parts = append(parts, p.os)
- }
-
- // e.g. acme__feature1, android__board__soc_a, my_namespace__my_variables__my_value__my_os
- return strings.ToLower(strings.Join(parts, "__"))
-}
-
-// ProductConfigProperties is a map of maps to group property values according
-// their property name and the product config variable they're set under.
-//
-// The outer map key is the name of the property, like "cflags".
-//
-// The inner map key is a ProductConfigProperty, which is a struct of product
-// variable name, namespace, and the "full configuration" of the product
-// variable.
-//
-// e.g. product variable name: board, namespace: acme, full config: vendor_chip_foo
-//
-// The value of the map is the interface{} representing the value of the
-// property, like ["-DDEFINES"] for cflags.
-type ProductConfigProperties map[string]map[ProductConfigOrSoongConfigProperty]interface{}
-
-func (p *ProductConfigProperties) AddProductConfigProperty(
- propertyName, productVariableName, arch string, propertyValue interface{}) {
-
- productConfigProp := ProductConfigProperty{
- name: productVariableName, // e.g. size, feature1, feature2, FEATURE3, board
- arch: arch, // e.g. "", x86, arm64
- }
-
- p.AddEitherProperty(propertyName, productConfigProp, propertyValue)
-}
-
-func (p *ProductConfigProperties) AddSoongConfigProperty(
- propertyName, namespace, variableName, value, os string, propertyValue interface{}) {
-
- soongConfigProp := SoongConfigProperty{
- namespace: namespace,
- name: variableName, // e.g. size, feature1, feature2, FEATURE3, board
- value: value,
- os: os, // e.g. android, linux_x86
- }
-
- p.AddEitherProperty(propertyName, soongConfigProp, propertyValue)
-}
-
-func (p *ProductConfigProperties) AddEitherProperty(
- propertyName string, key ProductConfigOrSoongConfigProperty, propertyValue interface{}) {
- if (*p)[propertyName] == nil {
- (*p)[propertyName] = make(map[ProductConfigOrSoongConfigProperty]interface{})
- }
-
- if existing, ok := (*p)[propertyName][key]; ok {
- switch dst := existing.(type) {
- case []string:
- src, ok := propertyValue.([]string)
- if !ok {
- panic("Conflicting types")
- }
- dst = append(dst, src...)
- (*p)[propertyName][key] = dst
- default:
- if existing != propertyValue {
- panic(fmt.Errorf("TODO: handle merging value %#v", existing))
- }
- }
- } else {
- (*p)[propertyName][key] = propertyValue
- }
-}
-
-// maybeExtractConfigVarProp attempts to read this value as a config var struct
-// wrapped by interfaces and ptrs. If it's not the right type, the second return
-// value is false.
-func maybeExtractConfigVarProp(v reflect.Value) (reflect.Value, bool) {
- if v.Kind() == reflect.Interface {
- // The conditions_default value can be either
- // 1) an ptr to an interface of a struct (bool config variables and product variables)
- // 2) an interface of 1) (config variables with nested structs, like string vars)
- v = v.Elem()
- }
- if v.Kind() != reflect.Ptr {
- return v, false
- }
- v = reflect.Indirect(v)
- if v.Kind() == reflect.Interface {
- // Extract the struct from the interface
- v = v.Elem()
- }
-
- if !v.IsValid() {
- return v, false
- }
-
- if v.Kind() != reflect.Struct {
- return v, false
- }
- return v, true
-}
-
-func (productConfigProperties *ProductConfigProperties) AddProductConfigProperties(variableValues reflect.Value, arch string) {
- // Example of product_variables:
- //
- // product_variables: {
- // malloc_not_svelte: {
- // shared_libs: ["malloc_not_svelte_shared_lib"],
- // whole_static_libs: ["malloc_not_svelte_whole_static_lib"],
- // exclude_static_libs: [
- // "malloc_not_svelte_static_lib_excludes",
- // "malloc_not_svelte_whole_static_lib_excludes",
- // ],
- // },
- // },
-
- for i := 0; i < variableValues.NumField(); i++ {
- // e.g. Platform_sdk_version, Unbundled_build, Malloc_not_svelte, etc.
- productVariableName := variableValues.Type().Field(i).Name
-
- variableValue := variableValues.Field(i)
- // Check if any properties were set for the module
- if variableValue.IsZero() {
- // e.g. feature1: {}, malloc_not_svelte: {}
- continue
- }
-
- for j := 0; j < variableValue.NumField(); j++ {
- property := variableValue.Field(j)
- // e.g. Asflags, Cflags, Enabled, etc.
- propertyName := variableValue.Type().Field(j).Name
- if property.Kind() != reflect.Interface {
- productConfigProperties.AddProductConfigProperty(propertyName, productVariableName, arch, property.Interface())
- }
- }
- }
-
-}
-
-func (productConfigProperties *ProductConfigProperties) AddSoongConfigProperties(namespace string, soongConfigVariablesStruct reflect.Value) error {
- //
- // Example of soong_config_variables:
- //
- // soong_config_variables: {
- // feature1: {
- // conditions_default: {
- // ...
- // },
- // cflags: ...
- // },
- // feature2: {
- // cflags: ...
- // conditions_default: {
- // ...
- // },
- // },
- // board: {
- // soc_a: {
- // ...
- // },
- // soc_b: {
- // ...
- // },
- // soc_c: {},
- // conditions_default: {
- // ...
- // },
- // },
- // }
- for i := 0; i < soongConfigVariablesStruct.NumField(); i++ {
- // e.g. feature1, feature2, board
- variableName := soongConfigVariablesStruct.Type().Field(i).Name
- variableStruct := soongConfigVariablesStruct.Field(i)
- // Check if any properties were set for the module
- if variableStruct.IsZero() {
- // e.g. feature1: {}
- continue
- }
-
- // Unlike product variables, config variables require a few more
- // indirections to extract the struct from the reflect.Value.
- if v, ok := maybeExtractConfigVarProp(variableStruct); ok {
- variableStruct = v
- } else if !v.IsValid() {
- // Skip invalid variables which may not used, else leads to panic
- continue
- }
-
- for j := 0; j < variableStruct.NumField(); j++ {
- propertyOrStruct := variableStruct.Field(j)
- // propertyOrValueName can either be:
- // - A property, like: Asflags, Cflags, Enabled, etc.
- // - A soong config string variable's value, like soc_a, soc_b, soc_c in the example above
- // - "conditions_default"
- propertyOrValueName := variableStruct.Type().Field(j).Name
-
- // If the property wasn't set, no need to pass it along
- if propertyOrStruct.IsZero() {
- continue
- }
-
- if v, ok := maybeExtractConfigVarProp(propertyOrStruct); ok {
- // The field is a struct, which is used by:
- // 1) soong_config_string_variables
- //
- // soc_a: {
- // cflags: ...,
- // }
- //
- // soc_b: {
- // cflags: ...,
- // }
- //
- // 2) conditions_default structs for all soong config variable types.
- //
- // conditions_default: {
- // cflags: ...,
- // static_libs: ...
- // }
- //
- // This means that propertyOrValueName is either conditions_default, or a soong
- // config string variable's value.
- field := v
- // Iterate over fields of this struct prop.
- for k := 0; k < field.NumField(); k++ {
- // For product variables, zero values are irrelevant; however, for soong config variables,
- // empty values are relevant because there can also be a conditions default which is not
- // applied for empty variables.
- if field.Field(k).IsZero() && namespace == "" {
- continue
- }
-
- propertyName := field.Type().Field(k).Name
- if propertyName == "Target" {
- productConfigProperties.AddSoongConfigPropertiesFromTargetStruct(namespace, variableName, proptools.PropertyNameForField(propertyOrValueName), field.Field(k))
- } else if propertyName == "Arch" || propertyName == "Multilib" {
- return fmt.Errorf("Arch/Multilib are not currently supported in soong config variable structs")
- } else {
- productConfigProperties.AddSoongConfigProperty(propertyName, namespace, variableName, proptools.PropertyNameForField(propertyOrValueName), "", field.Field(k).Interface())
- }
- }
- } else if propertyOrStruct.Kind() != reflect.Interface {
- // If not an interface, then this is not a conditions_default or
- // a struct prop. That is, this is a bool/value config variable.
- if propertyOrValueName == "Target" {
- productConfigProperties.AddSoongConfigPropertiesFromTargetStruct(namespace, variableName, "", propertyOrStruct)
- } else if propertyOrValueName == "Arch" || propertyOrValueName == "Multilib" {
- return fmt.Errorf("Arch/Multilib are not currently supported in soong config variable structs")
- } else {
- productConfigProperties.AddSoongConfigProperty(propertyOrValueName, namespace, variableName, "", "", propertyOrStruct.Interface())
- }
- }
- }
- }
- return nil
-}
-
-func (productConfigProperties *ProductConfigProperties) AddSoongConfigPropertiesFromTargetStruct(namespace, soongConfigVariableName string, soongConfigVariableValue string, targetStruct reflect.Value) {
- // targetStruct will be a struct with fields like "android", "host", "arm", "x86",
- // "android_arm", etc. The values of each of those fields will be a regular property struct.
- for i := 0; i < targetStruct.NumField(); i++ {
- targetFieldName := targetStruct.Type().Field(i).Name
- archOrOsSpecificStruct := targetStruct.Field(i)
- for j := 0; j < archOrOsSpecificStruct.NumField(); j++ {
- property := archOrOsSpecificStruct.Field(j)
- // e.g. Asflags, Cflags, Enabled, etc.
- propertyName := archOrOsSpecificStruct.Type().Field(j).Name
-
- if targetFieldName == "Android" {
- productConfigProperties.AddSoongConfigProperty(propertyName, namespace, soongConfigVariableName, soongConfigVariableValue, "android", property.Interface())
- } else if targetFieldName == "Host" {
- for _, os := range osTypeList {
- if os.Class == Host {
- productConfigProperties.AddSoongConfigProperty(propertyName, namespace, soongConfigVariableName, soongConfigVariableValue, os.Name, property.Interface())
- }
- }
- } else if !archOrOsSpecificStruct.IsZero() {
- // One problem with supporting additional fields is that if multiple branches of
- // "target" overlap, we don't want them to be in the same select statement (aka
- // configuration axis). "android" and "host" are disjoint, so it's ok that we only
- // have 2 axes right now. (soongConfigVariables and soongConfigVariablesPlusOs)
- panic("TODO: support other target types in soong config variable structs: " + targetFieldName)
- }
- }
- }
-}
-
func VariableMutator(mctx BottomUpMutatorContext) {
var module Module
var ok bool