diff options
Diffstat (limited to 'android/module.go')
| -rw-r--r-- | android/module.go | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/android/module.go b/android/module.go index c08d2f42e..66f6e1bcd 100644 --- a/android/module.go +++ b/android/module.go @@ -15,9 +15,6 @@ package android import ( - "crypto/md5" - "encoding/hex" - "encoding/json" "fmt" "net/url" "path/filepath" @@ -247,31 +244,6 @@ func SortedUniqueNamedPaths(l NamedPaths) NamedPaths { return l[:k+1] } -// soongConfigTrace holds all references to VendorVars. Uses []string for blueprint:"mutated" -type soongConfigTrace struct { - Bools []string `json:",omitempty"` - Strings []string `json:",omitempty"` - IsSets []string `json:",omitempty"` -} - -func (c *soongConfigTrace) isEmpty() bool { - return len(c.Bools) == 0 && len(c.Strings) == 0 && len(c.IsSets) == 0 -} - -// Returns hash of serialized trace records (empty string if there's no trace recorded) -func (c *soongConfigTrace) hash() string { - // Use MD5 for speed. We don't care collision or preimage attack - if c.isEmpty() { - return "" - } - j, err := json.Marshal(c) - if err != nil { - panic(fmt.Errorf("json marshal of %#v failed: %#v", *c, err)) - } - hash := md5.Sum(j) - return hex.EncodeToString(hash[:]) -} - type nameProperties struct { // The name of the module. Must be unique across all modules. Name *string @@ -523,14 +495,6 @@ type commonProperties struct { // constants in image.go, but can also be set to a custom value by individual module types. ImageVariation string `blueprint:"mutated"` - // SoongConfigTrace records accesses to VendorVars (soong_config). The trace will be hashed - // and used as a subdir of PathForModuleOut. Note that we mainly focus on incremental - // builds among similar products (e.g. aosp_cf_x86_64_phone and aosp_cf_x86_64_foldable), - // and there are variables other than soong_config, which isn't captured by soong config - // trace, but influence modules among products. - SoongConfigTrace soongConfigTrace `blueprint:"mutated"` - SoongConfigTraceHash string `blueprint:"mutated"` - // The team (defined by the owner/vendor) who owns the property. Team *string `android:"path"` } @@ -2614,8 +2578,6 @@ type HostToolProvider interface { func init() { RegisterParallelSingletonType("buildtarget", BuildTargetSingleton) - RegisterParallelSingletonType("soongconfigtrace", soongConfigTraceSingletonFunc) - FinalDepsMutators(registerSoongConfigTraceMutator) } func BuildTargetSingleton() Singleton { @@ -2777,54 +2739,3 @@ func CheckBlueprintSyntax(ctx BaseModuleContext, filename string, contents strin bpctx := ctx.blueprintBaseModuleContext() return blueprint.CheckBlueprintSyntax(bpctx.ModuleFactories(), filename, contents) } - -func registerSoongConfigTraceMutator(ctx RegisterMutatorsContext) { - ctx.BottomUp("soongconfigtrace", soongConfigTraceMutator).Parallel() -} - -// soongConfigTraceMutator accumulates recorded soong_config trace from children. Also it normalizes -// SoongConfigTrace to make it consistent. -func soongConfigTraceMutator(ctx BottomUpMutatorContext) { - trace := &ctx.Module().base().commonProperties.SoongConfigTrace - ctx.VisitDirectDeps(func(m Module) { - childTrace := &m.base().commonProperties.SoongConfigTrace - trace.Bools = append(trace.Bools, childTrace.Bools...) - trace.Strings = append(trace.Strings, childTrace.Strings...) - trace.IsSets = append(trace.IsSets, childTrace.IsSets...) - }) - trace.Bools = SortedUniqueStrings(trace.Bools) - trace.Strings = SortedUniqueStrings(trace.Strings) - trace.IsSets = SortedUniqueStrings(trace.IsSets) - - ctx.Module().base().commonProperties.SoongConfigTraceHash = trace.hash() -} - -// soongConfigTraceSingleton writes a map from each module's config hash value to trace data. -func soongConfigTraceSingletonFunc() Singleton { - return &soongConfigTraceSingleton{} -} - -type soongConfigTraceSingleton struct { -} - -func (s *soongConfigTraceSingleton) GenerateBuildActions(ctx SingletonContext) { - outFile := PathForOutput(ctx, "soong_config_trace.json") - - traces := make(map[string]*soongConfigTrace) - ctx.VisitAllModules(func(module Module) { - trace := &module.base().commonProperties.SoongConfigTrace - if !trace.isEmpty() { - hash := module.base().commonProperties.SoongConfigTraceHash - traces[hash] = trace - } - }) - - j, err := json.Marshal(traces) - if err != nil { - ctx.Errorf("json marshal to %q failed: %#v", outFile, err) - return - } - - WriteFileRule(ctx, outFile, string(j)) - ctx.Phony("soong_config_trace", outFile) -} |