| // Copyright 2016 Google Inc. All rights reserved. | 
 | // | 
 | // Licensed under the Apache License, Version 2.0 (the "License"); | 
 | // you may not use this file except in compliance with the License. | 
 | // You may obtain a copy of the License at | 
 | // | 
 | //     http://www.apache.org/licenses/LICENSE-2.0 | 
 | // | 
 | // Unless required by applicable law or agreed to in writing, software | 
 | // distributed under the License is distributed on an "AS IS" BASIS, | 
 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 | // See the License for the specific language governing permissions and | 
 | // limitations under the License. | 
 |  | 
 | package android | 
 |  | 
 | import ( | 
 | 	"bytes" | 
 | 	"cmp" | 
 | 	"fmt" | 
 | 	"path/filepath" | 
 | 	"runtime" | 
 | 	"slices" | 
 | 	"sort" | 
 | 	"strings" | 
 |  | 
 | 	"github.com/google/blueprint" | 
 | 	"github.com/google/blueprint/pathtools" | 
 | 	"github.com/google/blueprint/proptools" | 
 | ) | 
 |  | 
 | func init() { | 
 | 	RegisterMakeVarsProvider(pctx, androidMakeVarsProvider) | 
 | } | 
 |  | 
 | func androidMakeVarsProvider(ctx MakeVarsContext) { | 
 | 	ctx.Strict("MIN_SUPPORTED_SDK_VERSION", ctx.Config().MinSupportedSdkVersion().String()) | 
 | } | 
 |  | 
 | // ///////////////////////////////////////////////////////////////////////////// | 
 |  | 
 | // BaseMakeVarsContext contains the common functions for other packages to use | 
 | // to declare make variables | 
 | type BaseMakeVarsContext interface { | 
 | 	Config() Config | 
 | 	DeviceConfig() DeviceConfig | 
 | 	AddNinjaFileDeps(deps ...string) | 
 |  | 
 | 	Failed() bool | 
 |  | 
 | 	// These are equivalent to Strict and Check, but do not attempt to | 
 | 	// evaluate the values before writing them to the Makefile. They can | 
 | 	// be used when all ninja variables have already been evaluated through | 
 | 	// Eval(). | 
 | 	StrictRaw(name, value string) | 
 | 	CheckRaw(name, value string) | 
 |  | 
 | 	// GlobWithDeps returns a list of files that match the specified pattern but do not match any | 
 | 	// of the patterns in excludes.  It also adds efficient dependencies to rerun the primary | 
 | 	// builder whenever a file matching the pattern as added or removed, without rerunning if a | 
 | 	// file that does not match the pattern is added to a searched directory. | 
 | 	GlobWithDeps(pattern string, excludes []string) ([]string, error) | 
 |  | 
 | 	// Phony creates a phony rule in Make, which will allow additional DistForGoal | 
 | 	// dependencies to be added to it.  Phony can be called on the same name multiple | 
 | 	// times to add additional dependencies. | 
 | 	Phony(names string, deps ...Path) | 
 |  | 
 | 	// DistForGoal creates a rule to copy one or more Paths to the artifacts | 
 | 	// directory on the build server when the specified goal is built. | 
 | 	DistForGoal(goal string, paths ...Path) | 
 |  | 
 | 	// DistForGoalWithFilename creates a rule to copy a Path to the artifacts | 
 | 	// directory on the build server with the given filename when the specified | 
 | 	// goal is built. | 
 | 	DistForGoalWithFilename(goal string, path Path, filename string) | 
 |  | 
 | 	// DistForGoals creates a rule to copy one or more Paths to the artifacts | 
 | 	// directory on the build server when any of the specified goals are built. | 
 | 	DistForGoals(goals []string, paths ...Path) | 
 |  | 
 | 	// DistForGoalsWithFilename creates a rule to copy a Path to the artifacts | 
 | 	// directory on the build server with the given filename when any of the | 
 | 	// specified goals are built. | 
 | 	DistForGoalsWithFilename(goals []string, path Path, filename string) | 
 | } | 
 |  | 
 | // MakeVarsContext contains the set of functions available for MakeVarsProvider | 
 | // and SingletonMakeVarsProvider implementations. | 
 | type MakeVarsContext interface { | 
 | 	BaseMakeVarsContext | 
 |  | 
 | 	ModuleName(module blueprint.Module) string | 
 | 	ModuleDir(module blueprint.Module) string | 
 | 	ModuleSubDir(module blueprint.Module) string | 
 | 	ModuleType(module blueprint.Module) string | 
 | 	moduleProvider(module blueprint.Module, key blueprint.AnyProviderKey) (any, bool) | 
 | 	BlueprintFile(module blueprint.Module) string | 
 |  | 
 | 	ModuleErrorf(module blueprint.Module, format string, args ...interface{}) | 
 | 	Errorf(format string, args ...interface{}) | 
 |  | 
 | 	VisitAllModules(visit func(Module)) | 
 | 	VisitAllModulesIf(pred func(Module) bool, visit func(Module)) | 
 |  | 
 | 	// Verify the make variable matches the Soong version, fail the build | 
 | 	// if it does not. If the make variable is empty, just set it. | 
 | 	Strict(name, ninjaStr string) | 
 | 	// Check to see if the make variable matches the Soong version, warn if | 
 | 	// it does not. If the make variable is empty, just set it. | 
 | 	Check(name, ninjaStr string) | 
 |  | 
 | 	// These are equivalent to the above, but sort the make and soong | 
 | 	// variables before comparing them. They also show the unique entries | 
 | 	// in each list when displaying the difference, instead of the entire | 
 | 	// string. | 
 | 	StrictSorted(name, ninjaStr string) | 
 | 	CheckSorted(name, ninjaStr string) | 
 |  | 
 | 	// Evaluates a ninja string and returns the result. Used if more | 
 | 	// complicated modification needs to happen before giving it to Make. | 
 | 	Eval(ninjaStr string) (string, error) | 
 | } | 
 |  | 
 | // MakeVarsModuleContext contains the set of functions available for modules | 
 | // implementing the ModuleMakeVarsProvider interface. | 
 | type MakeVarsModuleContext interface { | 
 | 	BaseMakeVarsContext | 
 | } | 
 |  | 
 | var _ PathContext = MakeVarsContext(nil) | 
 |  | 
 | type MakeVarsProvider func(ctx MakeVarsContext) | 
 |  | 
 | func RegisterMakeVarsProvider(pctx PackageContext, provider MakeVarsProvider) { | 
 | 	makeVarsInitProviders = append(makeVarsInitProviders, makeVarsProvider{pctx, provider}) | 
 | } | 
 |  | 
 | // SingletonMakeVarsProvider is a Singleton with an extra method to provide extra values to be exported to Make. | 
 | type SingletonMakeVarsProvider interface { | 
 | 	// MakeVars uses a MakeVarsContext to provide extra values to be exported to Make. | 
 | 	MakeVars(ctx MakeVarsContext) | 
 | } | 
 |  | 
 | var singletonMakeVarsProvidersKey = NewOnceKey("singletonMakeVarsProvidersKey") | 
 |  | 
 | func getSingletonMakevarsProviders(config Config) *[]makeVarsProvider { | 
 | 	return config.Once(singletonMakeVarsProvidersKey, func() interface{} { | 
 | 		return &[]makeVarsProvider{} | 
 | 	}).(*[]makeVarsProvider) | 
 | } | 
 |  | 
 | // registerSingletonMakeVarsProvider adds a singleton that implements SingletonMakeVarsProvider to | 
 | // the list of MakeVarsProviders to run. | 
 | func registerSingletonMakeVarsProvider(config Config, singleton SingletonMakeVarsProvider) { | 
 | 	// Singletons are registered on the Context and may be different between different Contexts, | 
 | 	// for example when running multiple tests.  Store the SingletonMakeVarsProviders in the | 
 | 	// Config so they are attached to the Context. | 
 | 	singletonMakeVarsProviders := getSingletonMakevarsProviders(config) | 
 |  | 
 | 	*singletonMakeVarsProviders = append(*singletonMakeVarsProviders, | 
 | 		makeVarsProvider{pctx, singletonMakeVarsProviderAdapter(singleton)}) | 
 | } | 
 |  | 
 | // singletonMakeVarsProviderAdapter converts a SingletonMakeVarsProvider to a MakeVarsProvider. | 
 | func singletonMakeVarsProviderAdapter(singleton SingletonMakeVarsProvider) MakeVarsProvider { | 
 | 	return func(ctx MakeVarsContext) { singleton.MakeVars(ctx) } | 
 | } | 
 |  | 
 | // ModuleMakeVarsProvider is a Module with an extra method to provide extra values to be exported to Make. | 
 | type ModuleMakeVarsProvider interface { | 
 | 	Module | 
 |  | 
 | 	// MakeVars uses a MakeVarsModuleContext to provide extra values to be exported to Make. | 
 | 	MakeVars(ctx MakeVarsModuleContext) | 
 | } | 
 |  | 
 | // ///////////////////////////////////////////////////////////////////////////// | 
 |  | 
 | func makeVarsSingletonFunc() Singleton { | 
 | 	return &makeVarsSingleton{} | 
 | } | 
 |  | 
 | type makeVarsSingleton struct { | 
 | 	varsForTesting     []makeVarsVariable | 
 | 	installsForTesting []byte | 
 | } | 
 |  | 
 | type makeVarsProvider struct { | 
 | 	pctx PackageContext | 
 | 	call MakeVarsProvider | 
 | } | 
 |  | 
 | // Collection of makevars providers that are registered in init() methods. | 
 | var makeVarsInitProviders []makeVarsProvider | 
 |  | 
 | type makeVarsContext struct { | 
 | 	SingletonContext | 
 | 	config  Config | 
 | 	pctx    PackageContext | 
 | 	vars    []makeVarsVariable | 
 | 	phonies []phony | 
 | 	dists   []dist | 
 | } | 
 |  | 
 | var _ MakeVarsContext = &makeVarsContext{} | 
 |  | 
 | type makeVarsVariable struct { | 
 | 	name   string | 
 | 	value  string | 
 | 	sort   bool | 
 | 	strict bool | 
 | } | 
 |  | 
 | type phony struct { | 
 | 	name string | 
 | 	deps []string | 
 | } | 
 |  | 
 | type dist struct { | 
 | 	goals []string | 
 | 	paths []string | 
 | } | 
 |  | 
 | func (s *makeVarsSingleton) GenerateBuildActions(ctx SingletonContext) { | 
 | 	if !ctx.Config().KatiEnabled() { | 
 | 		return | 
 | 	} | 
 |  | 
 | 	outFile := absolutePath(PathForOutput(ctx, | 
 | 		"make_vars"+proptools.String(ctx.Config().productVariables.Make_suffix)+".mk").String()) | 
 |  | 
 | 	lateOutFile := absolutePath(PathForOutput(ctx, | 
 | 		"late"+proptools.String(ctx.Config().productVariables.Make_suffix)+".mk").String()) | 
 |  | 
 | 	installsFile := absolutePath(PathForOutput(ctx, | 
 | 		"installs"+proptools.String(ctx.Config().productVariables.Make_suffix)+".mk").String()) | 
 |  | 
 | 	if ctx.Failed() { | 
 | 		return | 
 | 	} | 
 |  | 
 | 	var vars []makeVarsVariable | 
 | 	var dists []dist | 
 | 	var phonies []phony | 
 | 	var katiInstalls []katiInstall | 
 | 	var katiInitRcInstalls []katiInstall | 
 | 	var katiVintfManifestInstalls []katiInstall | 
 | 	var katiSymlinks []katiInstall | 
 |  | 
 | 	providers := append([]makeVarsProvider(nil), makeVarsInitProviders...) | 
 | 	providers = append(providers, *getSingletonMakevarsProviders(ctx.Config())...) | 
 |  | 
 | 	for _, provider := range providers { | 
 | 		mctx := &makeVarsContext{ | 
 | 			SingletonContext: ctx, | 
 | 			pctx:             provider.pctx, | 
 | 		} | 
 |  | 
 | 		provider.call(mctx) | 
 |  | 
 | 		vars = append(vars, mctx.vars...) | 
 | 		phonies = append(phonies, mctx.phonies...) | 
 | 		dists = append(dists, mctx.dists...) | 
 | 	} | 
 |  | 
 | 	ctx.VisitAllModules(func(m Module) { | 
 | 		if provider, ok := m.(ModuleMakeVarsProvider); ok && m.Enabled() { | 
 | 			mctx := &makeVarsContext{ | 
 | 				SingletonContext: ctx, | 
 | 			} | 
 |  | 
 | 			provider.MakeVars(mctx) | 
 |  | 
 | 			vars = append(vars, mctx.vars...) | 
 | 			phonies = append(phonies, mctx.phonies...) | 
 | 			dists = append(dists, mctx.dists...) | 
 | 		} | 
 |  | 
 | 		if m.ExportedToMake() { | 
 | 			katiInstalls = append(katiInstalls, m.base().katiInstalls...) | 
 | 			katiInitRcInstalls = append(katiInitRcInstalls, m.base().katiInitRcInstalls...) | 
 | 			katiVintfManifestInstalls = append(katiVintfManifestInstalls, m.base().katiVintfInstalls...) | 
 | 			katiSymlinks = append(katiSymlinks, m.base().katiSymlinks...) | 
 | 		} | 
 | 	}) | 
 |  | 
 | 	compareKatiInstalls := func(a, b katiInstall) int { | 
 | 		aTo, bTo := a.to.String(), b.to.String() | 
 | 		if cmpTo := cmp.Compare(aTo, bTo); cmpTo != 0 { | 
 | 			return cmpTo | 
 | 		} | 
 |  | 
 | 		aFrom, bFrom := a.from.String(), b.from.String() | 
 | 		return cmp.Compare(aFrom, bFrom) | 
 | 	} | 
 |  | 
 | 	slices.SortFunc(katiInitRcInstalls, compareKatiInstalls) | 
 | 	katiInitRcInstalls = slices.CompactFunc(katiInitRcInstalls, func(a, b katiInstall) bool { | 
 | 		return compareKatiInstalls(a, b) == 0 | 
 | 	}) | 
 | 	katiInstalls = append(katiInstalls, katiInitRcInstalls...) | 
 |  | 
 | 	slices.SortFunc(katiVintfManifestInstalls, compareKatiInstalls) | 
 | 	katiVintfManifestInstalls = slices.CompactFunc(katiVintfManifestInstalls, func(a, b katiInstall) bool { | 
 | 		return compareKatiInstalls(a, b) == 0 | 
 | 	}) | 
 |  | 
 | 	if ctx.Failed() { | 
 | 		return | 
 | 	} | 
 |  | 
 | 	sort.Slice(vars, func(i, j int) bool { | 
 | 		return vars[i].name < vars[j].name | 
 | 	}) | 
 | 	sort.Slice(phonies, func(i, j int) bool { | 
 | 		return phonies[i].name < phonies[j].name | 
 | 	}) | 
 | 	lessArr := func(a, b []string) bool { | 
 | 		if len(a) == len(b) { | 
 | 			for i := range a { | 
 | 				if a[i] < b[i] { | 
 | 					return true | 
 | 				} | 
 | 			} | 
 | 			return false | 
 | 		} | 
 | 		return len(a) < len(b) | 
 | 	} | 
 | 	sort.Slice(dists, func(i, j int) bool { | 
 | 		return lessArr(dists[i].goals, dists[j].goals) || lessArr(dists[i].paths, dists[j].paths) | 
 | 	}) | 
 |  | 
 | 	outBytes := s.writeVars(vars) | 
 |  | 
 | 	if err := pathtools.WriteFileIfChanged(outFile, outBytes, 0666); err != nil { | 
 | 		ctx.Errorf(err.Error()) | 
 | 	} | 
 |  | 
 | 	lateOutBytes := s.writeLate(phonies, dists) | 
 |  | 
 | 	if err := pathtools.WriteFileIfChanged(lateOutFile, lateOutBytes, 0666); err != nil { | 
 | 		ctx.Errorf(err.Error()) | 
 | 	} | 
 |  | 
 | 	installsBytes := s.writeInstalls(katiInstalls, katiSymlinks, katiVintfManifestInstalls) | 
 | 	if err := pathtools.WriteFileIfChanged(installsFile, installsBytes, 0666); err != nil { | 
 | 		ctx.Errorf(err.Error()) | 
 | 	} | 
 |  | 
 | 	// Only save state for tests when testing. | 
 | 	if ctx.Config().RunningInsideUnitTest() { | 
 | 		s.varsForTesting = vars | 
 | 		s.installsForTesting = installsBytes | 
 | 	} | 
 | } | 
 |  | 
 | func (s *makeVarsSingleton) writeVars(vars []makeVarsVariable) []byte { | 
 | 	buf := &bytes.Buffer{} | 
 |  | 
 | 	fmt.Fprint(buf, `# Autogenerated file | 
 |  | 
 | # Compares SOONG_$(1) against $(1), and warns if they are not equal. | 
 | # | 
 | # If the original variable is empty, then just set it to the SOONG_ version. | 
 | # | 
 | # $(1): Name of the variable to check | 
 | # $(2): If not-empty, sort the values before comparing | 
 | # $(3): Extra snippet to run if it does not match | 
 | define soong-compare-var | 
 | ifneq ($$($(1)),) | 
 |   my_val_make := $$(strip $(if $(2),$$(sort $$($(1))),$$($(1)))) | 
 |   my_val_soong := $(if $(2),$$(sort $$(SOONG_$(1))),$$(SOONG_$(1))) | 
 |   ifneq ($$(my_val_make),$$(my_val_soong)) | 
 |     $$(warning $(1) does not match between Make and Soong:) | 
 |     $(if $(2),$$(warning Make  adds: $$(filter-out $$(my_val_soong),$$(my_val_make))),$$(warning Make : $$(my_val_make))) | 
 |     $(if $(2),$$(warning Soong adds: $$(filter-out $$(my_val_make),$$(my_val_soong))),$$(warning Soong: $$(my_val_soong))) | 
 |     $(3) | 
 |   endif | 
 |   my_val_make := | 
 |   my_val_soong := | 
 | else | 
 |   $(1) := $$(SOONG_$(1)) | 
 | endif | 
 | .KATI_READONLY := $(1) SOONG_$(1) | 
 | endef | 
 |  | 
 | my_check_failed := false | 
 |  | 
 | `) | 
 |  | 
 | 	// Write all the strict checks out first so that if one of them errors, | 
 | 	// we get all of the strict errors printed, but not the non-strict | 
 | 	// warnings. | 
 | 	for _, v := range vars { | 
 | 		if !v.strict { | 
 | 			continue | 
 | 		} | 
 |  | 
 | 		sort := "" | 
 | 		if v.sort { | 
 | 			sort = "true" | 
 | 		} | 
 |  | 
 | 		fmt.Fprintf(buf, "SOONG_%s := %s\n", v.name, v.value) | 
 | 		fmt.Fprintf(buf, "$(eval $(call soong-compare-var,%s,%s,my_check_failed := true))\n\n", v.name, sort) | 
 | 	} | 
 |  | 
 | 	fmt.Fprint(buf, ` | 
 | ifneq ($(my_check_failed),false) | 
 |   $(error Soong variable check failed) | 
 | endif | 
 | my_check_failed := | 
 |  | 
 |  | 
 | `) | 
 |  | 
 | 	for _, v := range vars { | 
 | 		if v.strict { | 
 | 			continue | 
 | 		} | 
 |  | 
 | 		sort := "" | 
 | 		if v.sort { | 
 | 			sort = "true" | 
 | 		} | 
 |  | 
 | 		fmt.Fprintf(buf, "SOONG_%s := %s\n", v.name, v.value) | 
 | 		fmt.Fprintf(buf, "$(eval $(call soong-compare-var,%s,%s))\n\n", v.name, sort) | 
 | 	} | 
 |  | 
 | 	fmt.Fprintln(buf, "\nsoong-compare-var :=") | 
 |  | 
 | 	fmt.Fprintln(buf) | 
 |  | 
 | 	return buf.Bytes() | 
 | } | 
 |  | 
 | func (s *makeVarsSingleton) writeLate(phonies []phony, dists []dist) []byte { | 
 | 	buf := &bytes.Buffer{} | 
 |  | 
 | 	fmt.Fprint(buf, `# Autogenerated file | 
 |  | 
 | # Values written by Soong read after parsing all Android.mk files. | 
 |  | 
 |  | 
 | `) | 
 |  | 
 | 	for _, phony := range phonies { | 
 | 		fmt.Fprintf(buf, ".PHONY: %s\n", phony.name) | 
 | 		fmt.Fprintf(buf, "%s: %s\n", phony.name, strings.Join(phony.deps, "\\\n  ")) | 
 | 	} | 
 |  | 
 | 	fmt.Fprintln(buf) | 
 |  | 
 | 	for _, dist := range dists { | 
 | 		fmt.Fprintf(buf, ".PHONY: %s\n", strings.Join(dist.goals, " ")) | 
 | 		fmt.Fprintf(buf, "$(call dist-for-goals,%s,%s)\n", | 
 | 			strings.Join(dist.goals, " "), strings.Join(dist.paths, " ")) | 
 | 	} | 
 |  | 
 | 	return buf.Bytes() | 
 | } | 
 |  | 
 | // writeInstalls writes the list of install rules generated by Soong to a makefile.  The rules | 
 | // are exported to Make instead of written directly to the ninja file so that main.mk can add | 
 | // the dependencies from the `required` property that are hard to resolve in Soong. | 
 | func (s *makeVarsSingleton) writeInstalls(installs, symlinks, katiVintfManifestInstalls []katiInstall) []byte { | 
 | 	buf := &bytes.Buffer{} | 
 |  | 
 | 	fmt.Fprint(buf, `# Autogenerated file | 
 |  | 
 | # Values written by Soong to generate install rules that can be amended by Kati. | 
 |  | 
 |  | 
 | `) | 
 |  | 
 | 	preserveSymlinksFlag := "-d" | 
 | 	if runtime.GOOS == "darwin" { | 
 | 		preserveSymlinksFlag = "-R" | 
 | 	} | 
 |  | 
 | 	for _, install := range installs { | 
 | 		// Write a rule for each install request in the form: | 
 | 		//  to: from [ deps ] [ | order only deps ] | 
 | 		//       cp -f -d $< $@ [ && chmod +x $@ ] | 
 | 		fmt.Fprintf(buf, "%s: %s", install.to.String(), install.from.String()) | 
 | 		for _, dep := range install.implicitDeps { | 
 | 			fmt.Fprintf(buf, " %s", dep.String()) | 
 | 		} | 
 | 		if extraFiles := install.extraFiles; extraFiles != nil { | 
 | 			fmt.Fprintf(buf, " %s", extraFiles.zip.String()) | 
 | 		} | 
 | 		if len(install.orderOnlyDeps) > 0 { | 
 | 			fmt.Fprintf(buf, " |") | 
 | 		} | 
 | 		for _, dep := range install.orderOnlyDeps { | 
 | 			fmt.Fprintf(buf, " %s", dep.String()) | 
 | 		} | 
 | 		fmt.Fprintln(buf) | 
 | 		fmt.Fprintln(buf, "\t@echo \"Install: $@\"") | 
 | 		fmt.Fprintf(buf, "\trm -f $@ && cp -f %s $< $@\n", preserveSymlinksFlag) | 
 | 		if install.executable { | 
 | 			fmt.Fprintf(buf, "\tchmod +x $@\n") | 
 | 		} | 
 | 		if extraFiles := install.extraFiles; extraFiles != nil { | 
 | 			fmt.Fprintf(buf, "\t( unzip -qDD -d '%s' '%s' 2>&1 | grep -v \"zipfile is empty\"; exit $${PIPESTATUS[0]} ) || \\\n", extraFiles.dir.String(), extraFiles.zip.String()) | 
 | 			fmt.Fprintf(buf, "\t  ( code=$$?; if [ $$code -ne 0 -a $$code -ne 1 ]; then exit $$code; fi )\n") | 
 | 		} | 
 | 		fmt.Fprintln(buf) | 
 | 	} | 
 |  | 
 | 	for _, symlink := range symlinks { | 
 | 		fmt.Fprintf(buf, "%s:", symlink.to.String()) | 
 | 		if symlink.from != nil { | 
 | 			// The katiVintfManifestInstall doesn't need updating when the target is modified, but we sometimes | 
 | 			// have a dependency on a katiVintfManifestInstall to a binary instead of to the binary directly, and | 
 | 			// the mtime of the katiVintfManifestInstall must be updated when the binary is modified, so use a | 
 | 			// normal dependency here instead of an order-only dependency. | 
 | 			fmt.Fprintf(buf, " %s", symlink.from.String()) | 
 | 		} | 
 | 		for _, dep := range symlink.implicitDeps { | 
 | 			fmt.Fprintf(buf, " %s", dep.String()) | 
 | 		} | 
 | 		if len(symlink.orderOnlyDeps) > 0 { | 
 | 			fmt.Fprintf(buf, " |") | 
 | 		} | 
 | 		for _, dep := range symlink.orderOnlyDeps { | 
 | 			fmt.Fprintf(buf, " %s", dep.String()) | 
 | 		} | 
 | 		fmt.Fprintln(buf) | 
 |  | 
 | 		fromStr := "" | 
 | 		if symlink.from != nil { | 
 | 			rel, err := filepath.Rel(filepath.Dir(symlink.to.String()), symlink.from.String()) | 
 | 			if err != nil { | 
 | 				panic(fmt.Errorf("failed to find relative path for katiVintfManifestInstall from %q to %q: %w", | 
 | 					symlink.from.String(), symlink.to.String(), err)) | 
 | 			} | 
 | 			fromStr = rel | 
 | 		} else { | 
 | 			fromStr = symlink.absFrom | 
 | 		} | 
 |  | 
 | 		fmt.Fprintln(buf, "\t@echo \"Symlink: $@\"") | 
 | 		fmt.Fprintf(buf, "\trm -f $@ && ln -sfn %s $@", fromStr) | 
 | 		fmt.Fprintln(buf) | 
 | 		fmt.Fprintln(buf) | 
 | 	} | 
 |  | 
 | 	for _, install := range katiVintfManifestInstalls { | 
 | 		// Write a rule for each vintf install request that calls the copy-vintf-manifest-chedk make function. | 
 | 		fmt.Fprintf(buf, "$(eval $(call copy-vintf-manifest-checked, %s, %s))\n", install.from.String(), install.to.String()) | 
 |  | 
 | 		if len(install.implicitDeps) > 0 { | 
 | 			panic(fmt.Errorf("unsupported implicitDeps %q in vintf install rule %q", install.implicitDeps, install.to)) | 
 | 		} | 
 | 		if len(install.orderOnlyDeps) > 0 { | 
 | 			panic(fmt.Errorf("unsupported orderOnlyDeps %q in vintf install rule %q", install.orderOnlyDeps, install.to)) | 
 | 		} | 
 |  | 
 | 		fmt.Fprintln(buf) | 
 | 	} | 
 | 	return buf.Bytes() | 
 | } | 
 |  | 
 | func (c *makeVarsContext) DeviceConfig() DeviceConfig { | 
 | 	return DeviceConfig{c.Config().deviceConfig} | 
 | } | 
 |  | 
 | var ninjaDescaper = strings.NewReplacer("$$", "$") | 
 |  | 
 | func (c *makeVarsContext) Eval(ninjaStr string) (string, error) { | 
 | 	s, err := c.SingletonContext.Eval(c.pctx, ninjaStr) | 
 | 	if err != nil { | 
 | 		return "", err | 
 | 	} | 
 | 	// SingletonContext.Eval returns an exapnded string that is valid for a ninja file, de-escape $$ to $ for use | 
 | 	// in a Makefile | 
 | 	return ninjaDescaper.Replace(s), nil | 
 | } | 
 |  | 
 | func (c *makeVarsContext) addVariableRaw(name, value string, strict, sort bool) { | 
 | 	c.vars = append(c.vars, makeVarsVariable{ | 
 | 		name:   name, | 
 | 		value:  value, | 
 | 		strict: strict, | 
 | 		sort:   sort, | 
 | 	}) | 
 | } | 
 |  | 
 | func (c *makeVarsContext) addVariable(name, ninjaStr string, strict, sort bool) { | 
 | 	value, err := c.Eval(ninjaStr) | 
 | 	if err != nil { | 
 | 		c.SingletonContext.Errorf(err.Error()) | 
 | 	} | 
 | 	c.addVariableRaw(name, value, strict, sort) | 
 | } | 
 |  | 
 | func (c *makeVarsContext) addPhony(name string, deps []string) { | 
 | 	c.phonies = append(c.phonies, phony{name, deps}) | 
 | } | 
 |  | 
 | func (c *makeVarsContext) addDist(goals []string, paths []string) { | 
 | 	c.dists = append(c.dists, dist{ | 
 | 		goals: goals, | 
 | 		paths: paths, | 
 | 	}) | 
 | } | 
 |  | 
 | func (c *makeVarsContext) Strict(name, ninjaStr string) { | 
 | 	c.addVariable(name, ninjaStr, true, false) | 
 | } | 
 | func (c *makeVarsContext) StrictSorted(name, ninjaStr string) { | 
 | 	c.addVariable(name, ninjaStr, true, true) | 
 | } | 
 | func (c *makeVarsContext) StrictRaw(name, value string) { | 
 | 	c.addVariableRaw(name, value, true, false) | 
 | } | 
 |  | 
 | func (c *makeVarsContext) Check(name, ninjaStr string) { | 
 | 	c.addVariable(name, ninjaStr, false, false) | 
 | } | 
 | func (c *makeVarsContext) CheckSorted(name, ninjaStr string) { | 
 | 	c.addVariable(name, ninjaStr, false, true) | 
 | } | 
 | func (c *makeVarsContext) CheckRaw(name, value string) { | 
 | 	c.addVariableRaw(name, value, false, false) | 
 | } | 
 |  | 
 | func (c *makeVarsContext) Phony(name string, deps ...Path) { | 
 | 	c.addPhony(name, Paths(deps).Strings()) | 
 | } | 
 |  | 
 | func (c *makeVarsContext) DistForGoal(goal string, paths ...Path) { | 
 | 	c.DistForGoals([]string{goal}, paths...) | 
 | } | 
 |  | 
 | func (c *makeVarsContext) DistForGoalWithFilename(goal string, path Path, filename string) { | 
 | 	c.DistForGoalsWithFilename([]string{goal}, path, filename) | 
 | } | 
 |  | 
 | func (c *makeVarsContext) DistForGoals(goals []string, paths ...Path) { | 
 | 	c.addDist(goals, Paths(paths).Strings()) | 
 | } | 
 |  | 
 | func (c *makeVarsContext) DistForGoalsWithFilename(goals []string, path Path, filename string) { | 
 | 	c.addDist(goals, []string{path.String() + ":" + filename}) | 
 | } |