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package android
import (
"github.com/google/blueprint/proptools"
"sync"
)
func init() {
RegisterModuleType("override_module", OverrideModuleFactory)
}
type OverrideModule struct {
ModuleBase
properties OverrideModuleProperties
}
type OverrideModuleProperties struct {
// base module to override
Base *string
// file path or module name (in the form ":module") of a certificate to override with
Certificate *string
// manifest package name to override with
Manifest_package_name *string
}
// TODO(jungjw): Work with the mainline team to see if we can deprecate all PRODUCT_*_OVERRIDES vars
// and hand over overriding values directly to base module code.
func processOverrides(ctx LoadHookContext, p *OverrideModuleProperties) {
base := proptools.String(p.Base)
if base == "" {
ctx.PropertyErrorf("base", "base module name must be provided")
}
config := ctx.DeviceConfig()
if other, loaded := config.moduleNameOverrides().LoadOrStore(base, ctx.ModuleName()); loaded {
ctx.ModuleErrorf("multiple overriding modules for %q, the other: %q", base, other.(string))
}
if p.Certificate != nil {
config.certificateOverrides().Store(base, *p.Certificate)
}
if p.Manifest_package_name != nil {
config.manifestPackageNameOverrides().Store(base, *p.Manifest_package_name)
}
}
func (i *OverrideModule) DepsMutator(ctx BottomUpMutatorContext) {
base := *i.properties.Base
// Right now, we add a dependency only to check the base module exists, and so are not using a tag here.
// TODO(jungjw): Add a tag and check the base module type once we finalize supported base module types.
ctx.AddDependency(ctx.Module(), nil, base)
}
func (i *OverrideModule) GenerateAndroidBuildActions(ctx ModuleContext) {
// All the overrides happen in the base module.
// TODO(jungjw): Check the base module type.
}
// override_module overrides an existing module with the specified properties.
//
// Currently, only android_app is officially supported.
func OverrideModuleFactory() Module {
m := &OverrideModule{}
AddLoadHook(m, func(ctx LoadHookContext) {
processOverrides(ctx, &m.properties)
})
m.AddProperties(&m.properties)
InitAndroidModule(m)
return m
}
var moduleNameOverridesKey = NewOnceKey("moduleNameOverrides")
func (c *deviceConfig) moduleNameOverrides() *sync.Map {
return c.Once(moduleNameOverridesKey, func() interface{} {
return &sync.Map{}
}).(*sync.Map)
}
var certificateOverridesKey = NewOnceKey("certificateOverrides")
func (c *deviceConfig) certificateOverrides() *sync.Map {
return c.Once(certificateOverridesKey, func() interface{} {
return &sync.Map{}
}).(*sync.Map)
}
var manifestPackageNameOverridesKey = NewOnceKey("manifestPackageNameOverrides")
func (c *deviceConfig) manifestPackageNameOverrides() *sync.Map {
return c.Once(manifestPackageNameOverridesKey, func() interface{} {
return &sync.Map{}
}).(*sync.Map)
}
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