Split *ModuleContext out of module.go
Move EarlyModuleContext, BaseModuleContext and ModuleContext out of
module.go and into early_module_context, base_module_context and
module_context.go respectively.
Test: builds
Change-Id: I52e6eb1589d1478233c1c55d770b395a16eaa1a3
diff --git a/android/base_module_context.go b/android/base_module_context.go
new file mode 100644
index 0000000..ec9c888
--- /dev/null
+++ b/android/base_module_context.go
@@ -0,0 +1,656 @@
+// Copyright 2015 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 (
+ "fmt"
+ "github.com/google/blueprint"
+ "regexp"
+ "strings"
+)
+
+// BaseModuleContext is the same as blueprint.BaseModuleContext except that Config() returns
+// a Config instead of an interface{}, and some methods have been wrapped to use an android.Module
+// instead of a blueprint.Module, plus some extra methods that return Android-specific information
+// about the current module.
+type BaseModuleContext interface {
+ EarlyModuleContext
+
+ blueprintBaseModuleContext() blueprint.BaseModuleContext
+
+ // OtherModuleName returns the name of another Module. See BaseModuleContext.ModuleName for more information.
+ // It is intended for use inside the visit functions of Visit* and WalkDeps.
+ OtherModuleName(m blueprint.Module) string
+
+ // OtherModuleDir returns the directory of another Module. See BaseModuleContext.ModuleDir for more information.
+ // It is intended for use inside the visit functions of Visit* and WalkDeps.
+ OtherModuleDir(m blueprint.Module) string
+
+ // OtherModuleErrorf reports an error on another Module. See BaseModuleContext.ModuleErrorf for more information.
+ // It is intended for use inside the visit functions of Visit* and WalkDeps.
+ OtherModuleErrorf(m blueprint.Module, fmt string, args ...interface{})
+
+ // OtherModuleDependencyTag returns the dependency tag used to depend on a module, or nil if there is no dependency
+ // on the module. When called inside a Visit* method with current module being visited, and there are multiple
+ // dependencies on the module being visited, it returns the dependency tag used for the current dependency.
+ OtherModuleDependencyTag(m blueprint.Module) blueprint.DependencyTag
+
+ // OtherModuleExists returns true if a module with the specified name exists, as determined by the NameInterface
+ // passed to Context.SetNameInterface, or SimpleNameInterface if it was not called.
+ OtherModuleExists(name string) bool
+
+ // OtherModuleDependencyVariantExists returns true if a module with the
+ // specified name and variant exists. The variant must match the given
+ // variations. It must also match all the non-local variations of the current
+ // module. In other words, it checks for the module that AddVariationDependencies
+ // would add a dependency on with the same arguments.
+ OtherModuleDependencyVariantExists(variations []blueprint.Variation, name string) bool
+
+ // OtherModuleFarDependencyVariantExists returns true if a module with the
+ // specified name and variant exists. The variant must match the given
+ // variations, but not the non-local variations of the current module. In
+ // other words, it checks for the module that AddFarVariationDependencies
+ // would add a dependency on with the same arguments.
+ OtherModuleFarDependencyVariantExists(variations []blueprint.Variation, name string) bool
+
+ // OtherModuleReverseDependencyVariantExists returns true if a module with the
+ // specified name exists with the same variations as the current module. In
+ // other words, it checks for the module that AddReverseDependency would add a
+ // dependency on with the same argument.
+ OtherModuleReverseDependencyVariantExists(name string) bool
+
+ // OtherModuleType returns the type of another Module. See BaseModuleContext.ModuleType for more information.
+ // It is intended for use inside the visit functions of Visit* and WalkDeps.
+ OtherModuleType(m blueprint.Module) string
+
+ // OtherModuleProvider returns the value for a provider for the given module. If the value is
+ // not set it returns the zero value of the type of the provider, so the return value can always
+ // be type asserted to the type of the provider. The value returned may be a deep copy of the
+ // value originally passed to SetProvider.
+ OtherModuleProvider(m blueprint.Module, provider blueprint.ProviderKey) interface{}
+
+ // OtherModuleHasProvider returns true if the provider for the given module has been set.
+ OtherModuleHasProvider(m blueprint.Module, provider blueprint.ProviderKey) bool
+
+ // Provider returns the value for a provider for the current module. If the value is
+ // not set it returns the zero value of the type of the provider, so the return value can always
+ // be type asserted to the type of the provider. It panics if called before the appropriate
+ // mutator or GenerateBuildActions pass for the provider. The value returned may be a deep
+ // copy of the value originally passed to SetProvider.
+ Provider(provider blueprint.ProviderKey) interface{}
+
+ // HasProvider returns true if the provider for the current module has been set.
+ HasProvider(provider blueprint.ProviderKey) bool
+
+ // SetProvider sets the value for a provider for the current module. It panics if not called
+ // during the appropriate mutator or GenerateBuildActions pass for the provider, if the value
+ // is not of the appropriate type, or if the value has already been set. The value should not
+ // be modified after being passed to SetProvider.
+ SetProvider(provider blueprint.ProviderKey, value interface{})
+
+ GetDirectDepsWithTag(tag blueprint.DependencyTag) []Module
+
+ // GetDirectDepWithTag returns the Module the direct dependency with the specified name, or nil if
+ // none exists. It panics if the dependency does not have the specified tag. It skips any
+ // dependencies that are not an android.Module.
+ GetDirectDepWithTag(name string, tag blueprint.DependencyTag) blueprint.Module
+
+ // GetDirectDep returns the Module and DependencyTag for the direct dependency with the specified
+ // name, or nil if none exists. If there are multiple dependencies on the same module it returns
+ // the first DependencyTag.
+ GetDirectDep(name string) (blueprint.Module, blueprint.DependencyTag)
+
+ ModuleFromName(name string) (blueprint.Module, bool)
+
+ // VisitDirectDepsBlueprint calls visit for each direct dependency. If there are multiple
+ // direct dependencies on the same module visit will be called multiple times on that module
+ // and OtherModuleDependencyTag will return a different tag for each.
+ //
+ // The Module passed to the visit function should not be retained outside of the visit
+ // function, it may be invalidated by future mutators.
+ VisitDirectDepsBlueprint(visit func(blueprint.Module))
+
+ // VisitDirectDeps calls visit for each direct dependency. If there are multiple
+ // direct dependencies on the same module visit will be called multiple times on that module
+ // and OtherModuleDependencyTag will return a different tag for each. It raises an error if any of the
+ // dependencies are not an android.Module.
+ //
+ // The Module passed to the visit function should not be retained outside of the visit
+ // function, it may be invalidated by future mutators.
+ VisitDirectDeps(visit func(Module))
+
+ VisitDirectDepsWithTag(tag blueprint.DependencyTag, visit func(Module))
+
+ // VisitDirectDepsIf calls pred for each direct dependency, and if pred returns true calls visit. If there are
+ // multiple direct dependencies on the same module pred and visit will be called multiple times on that module and
+ // OtherModuleDependencyTag will return a different tag for each. It skips any
+ // dependencies that are not an android.Module.
+ //
+ // The Module passed to the visit function should not be retained outside of the visit function, it may be
+ // invalidated by future mutators.
+ VisitDirectDepsIf(pred func(Module) bool, visit func(Module))
+ // Deprecated: use WalkDeps instead to support multiple dependency tags on the same module
+ VisitDepsDepthFirst(visit func(Module))
+ // Deprecated: use WalkDeps instead to support multiple dependency tags on the same module
+ VisitDepsDepthFirstIf(pred func(Module) bool, visit func(Module))
+
+ // WalkDeps calls visit for each transitive dependency, traversing the dependency tree in top down order. visit may
+ // be called multiple times for the same (child, parent) pair if there are multiple direct dependencies between the
+ // child and parent with different tags. OtherModuleDependencyTag will return the tag for the currently visited
+ // (child, parent) pair. If visit returns false WalkDeps will not continue recursing down to child. It skips
+ // any dependencies that are not an android.Module.
+ //
+ // The Modules passed to the visit function should not be retained outside of the visit function, they may be
+ // invalidated by future mutators.
+ WalkDeps(visit func(child, parent Module) bool)
+
+ // WalkDepsBlueprint calls visit for each transitive dependency, traversing the dependency
+ // tree in top down order. visit may be called multiple times for the same (child, parent)
+ // pair if there are multiple direct dependencies between the child and parent with different
+ // tags. OtherModuleDependencyTag will return the tag for the currently visited
+ // (child, parent) pair. If visit returns false WalkDeps will not continue recursing down
+ // to child.
+ //
+ // The Modules passed to the visit function should not be retained outside of the visit function, they may be
+ // invalidated by future mutators.
+ WalkDepsBlueprint(visit func(blueprint.Module, blueprint.Module) bool)
+
+ // GetWalkPath is supposed to be called in visit function passed in WalkDeps()
+ // and returns a top-down dependency path from a start module to current child module.
+ GetWalkPath() []Module
+
+ // PrimaryModule returns the first variant of the current module. Variants of a module are always visited in
+ // order by mutators and GenerateBuildActions, so the data created by the current mutator can be read from the
+ // Module returned by PrimaryModule without data races. This can be used to perform singleton actions that are
+ // only done once for all variants of a module.
+ PrimaryModule() Module
+
+ // FinalModule returns the last variant of the current module. Variants of a module are always visited in
+ // order by mutators and GenerateBuildActions, so the data created by the current mutator can be read from all
+ // variants using VisitAllModuleVariants if the current module == FinalModule(). This can be used to perform
+ // singleton actions that are only done once for all variants of a module.
+ FinalModule() Module
+
+ // VisitAllModuleVariants calls visit for each variant of the current module. Variants of a module are always
+ // visited in order by mutators and GenerateBuildActions, so the data created by the current mutator can be read
+ // from all variants if the current module == FinalModule(). Otherwise, care must be taken to not access any
+ // data modified by the current mutator.
+ VisitAllModuleVariants(visit func(Module))
+
+ // GetTagPath is supposed to be called in visit function passed in WalkDeps()
+ // and returns a top-down dependency tags path from a start module to current child module.
+ // It has one less entry than GetWalkPath() as it contains the dependency tags that
+ // exist between each adjacent pair of modules in the GetWalkPath().
+ // GetTagPath()[i] is the tag between GetWalkPath()[i] and GetWalkPath()[i+1]
+ GetTagPath() []blueprint.DependencyTag
+
+ // GetPathString is supposed to be called in visit function passed in WalkDeps()
+ // and returns a multi-line string showing the modules and dependency tags
+ // among them along the top-down dependency path from a start module to current child module.
+ // skipFirst when set to true, the output doesn't include the start module,
+ // which is already printed when this function is used along with ModuleErrorf().
+ GetPathString(skipFirst bool) string
+
+ AddMissingDependencies(missingDeps []string)
+
+ // getMissingDependencies returns the list of missing dependencies.
+ // Calling this function prevents adding new dependencies.
+ getMissingDependencies() []string
+
+ // AddUnconvertedBp2buildDep stores module name of a direct dependency that was not converted via bp2build
+ AddUnconvertedBp2buildDep(dep string)
+
+ // AddMissingBp2buildDep stores the module name of a direct dependency that was not found.
+ AddMissingBp2buildDep(dep string)
+
+ Target() Target
+ TargetPrimary() bool
+
+ // The additional arch specific targets (e.g. 32/64 bit) that this module variant is
+ // responsible for creating.
+ MultiTargets() []Target
+ Arch() Arch
+ Os() OsType
+ Host() bool
+ Device() bool
+ Darwin() bool
+ Windows() bool
+ PrimaryArch() bool
+}
+
+type baseModuleContext struct {
+ bp blueprint.BaseModuleContext
+ earlyModuleContext
+ os OsType
+ target Target
+ multiTargets []Target
+ targetPrimary bool
+
+ walkPath []Module
+ tagPath []blueprint.DependencyTag
+
+ strictVisitDeps bool // If true, enforce that all dependencies are enabled
+
+ bazelConversionMode bool
+}
+
+func (b *baseModuleContext) isBazelConversionMode() bool {
+ return b.bazelConversionMode
+}
+func (b *baseModuleContext) OtherModuleName(m blueprint.Module) string {
+ return b.bp.OtherModuleName(m)
+}
+func (b *baseModuleContext) OtherModuleDir(m blueprint.Module) string { return b.bp.OtherModuleDir(m) }
+func (b *baseModuleContext) OtherModuleErrorf(m blueprint.Module, fmt string, args ...interface{}) {
+ b.bp.OtherModuleErrorf(m, fmt, args...)
+}
+func (b *baseModuleContext) OtherModuleDependencyTag(m blueprint.Module) blueprint.DependencyTag {
+ return b.bp.OtherModuleDependencyTag(m)
+}
+func (b *baseModuleContext) OtherModuleExists(name string) bool { return b.bp.OtherModuleExists(name) }
+func (b *baseModuleContext) OtherModuleDependencyVariantExists(variations []blueprint.Variation, name string) bool {
+ return b.bp.OtherModuleDependencyVariantExists(variations, name)
+}
+func (b *baseModuleContext) OtherModuleFarDependencyVariantExists(variations []blueprint.Variation, name string) bool {
+ return b.bp.OtherModuleFarDependencyVariantExists(variations, name)
+}
+func (b *baseModuleContext) OtherModuleReverseDependencyVariantExists(name string) bool {
+ return b.bp.OtherModuleReverseDependencyVariantExists(name)
+}
+func (b *baseModuleContext) OtherModuleType(m blueprint.Module) string {
+ return b.bp.OtherModuleType(m)
+}
+func (b *baseModuleContext) OtherModuleProvider(m blueprint.Module, provider blueprint.ProviderKey) interface{} {
+ return b.bp.OtherModuleProvider(m, provider)
+}
+func (b *baseModuleContext) OtherModuleHasProvider(m blueprint.Module, provider blueprint.ProviderKey) bool {
+ return b.bp.OtherModuleHasProvider(m, provider)
+}
+func (b *baseModuleContext) Provider(provider blueprint.ProviderKey) interface{} {
+ return b.bp.Provider(provider)
+}
+func (b *baseModuleContext) HasProvider(provider blueprint.ProviderKey) bool {
+ return b.bp.HasProvider(provider)
+}
+func (b *baseModuleContext) SetProvider(provider blueprint.ProviderKey, value interface{}) {
+ b.bp.SetProvider(provider, value)
+}
+
+func (b *baseModuleContext) GetDirectDepWithTag(name string, tag blueprint.DependencyTag) blueprint.Module {
+ return b.bp.GetDirectDepWithTag(name, tag)
+}
+
+func (b *baseModuleContext) blueprintBaseModuleContext() blueprint.BaseModuleContext {
+ return b.bp
+}
+
+// AddUnconvertedBp2buildDep stores module name of a dependency that was not converted to Bazel.
+func (b *baseModuleContext) AddUnconvertedBp2buildDep(dep string) {
+ unconvertedDeps := &b.Module().base().commonProperties.BazelConversionStatus.UnconvertedDeps
+ *unconvertedDeps = append(*unconvertedDeps, dep)
+}
+
+// AddMissingBp2buildDep stores module name of a dependency that was not found in a Android.bp file.
+func (b *baseModuleContext) AddMissingBp2buildDep(dep string) {
+ missingDeps := &b.Module().base().commonProperties.BazelConversionStatus.MissingDeps
+ *missingDeps = append(*missingDeps, dep)
+}
+
+func (b *baseModuleContext) AddMissingDependencies(deps []string) {
+ if deps != nil {
+ missingDeps := &b.Module().base().commonProperties.MissingDeps
+ *missingDeps = append(*missingDeps, deps...)
+ *missingDeps = FirstUniqueStrings(*missingDeps)
+ }
+}
+
+func (b *baseModuleContext) checkedMissingDeps() bool {
+ return b.Module().base().commonProperties.CheckedMissingDeps
+}
+
+func (b *baseModuleContext) getMissingDependencies() []string {
+ checked := &b.Module().base().commonProperties.CheckedMissingDeps
+ *checked = true
+ var missingDeps []string
+ missingDeps = append(missingDeps, b.Module().base().commonProperties.MissingDeps...)
+ missingDeps = append(missingDeps, b.bp.EarlyGetMissingDependencies()...)
+ missingDeps = FirstUniqueStrings(missingDeps)
+ return missingDeps
+}
+
+type AllowDisabledModuleDependency interface {
+ blueprint.DependencyTag
+ AllowDisabledModuleDependency(target Module) bool
+}
+
+func (b *baseModuleContext) validateAndroidModule(module blueprint.Module, tag blueprint.DependencyTag, strict bool) Module {
+ aModule, _ := module.(Module)
+
+ if !strict {
+ return aModule
+ }
+
+ if aModule == nil {
+ b.ModuleErrorf("module %q (%#v) not an android module", b.OtherModuleName(module), tag)
+ return nil
+ }
+
+ if !aModule.Enabled() {
+ if t, ok := tag.(AllowDisabledModuleDependency); !ok || !t.AllowDisabledModuleDependency(aModule) {
+ if b.Config().AllowMissingDependencies() {
+ b.AddMissingDependencies([]string{b.OtherModuleName(aModule)})
+ } else {
+ b.ModuleErrorf("depends on disabled module %q", b.OtherModuleName(aModule))
+ }
+ }
+ return nil
+ }
+ return aModule
+}
+
+type dep struct {
+ mod blueprint.Module
+ tag blueprint.DependencyTag
+}
+
+func (b *baseModuleContext) getDirectDepsInternal(name string, tag blueprint.DependencyTag) []dep {
+ var deps []dep
+ b.VisitDirectDepsBlueprint(func(module blueprint.Module) {
+ if aModule, _ := module.(Module); aModule != nil {
+ if aModule.base().BaseModuleName() == name {
+ returnedTag := b.bp.OtherModuleDependencyTag(aModule)
+ if tag == nil || returnedTag == tag {
+ deps = append(deps, dep{aModule, returnedTag})
+ }
+ }
+ } else if b.bp.OtherModuleName(module) == name {
+ returnedTag := b.bp.OtherModuleDependencyTag(module)
+ if tag == nil || returnedTag == tag {
+ deps = append(deps, dep{module, returnedTag})
+ }
+ }
+ })
+ return deps
+}
+
+func (b *baseModuleContext) getDirectDepInternal(name string, tag blueprint.DependencyTag) (blueprint.Module, blueprint.DependencyTag) {
+ deps := b.getDirectDepsInternal(name, tag)
+ if len(deps) == 1 {
+ return deps[0].mod, deps[0].tag
+ } else if len(deps) >= 2 {
+ panic(fmt.Errorf("Multiple dependencies having same BaseModuleName() %q found from %q",
+ name, b.ModuleName()))
+ } else {
+ return nil, nil
+ }
+}
+
+func (b *baseModuleContext) getDirectDepFirstTag(name string) (blueprint.Module, blueprint.DependencyTag) {
+ foundDeps := b.getDirectDepsInternal(name, nil)
+ deps := map[blueprint.Module]bool{}
+ for _, dep := range foundDeps {
+ deps[dep.mod] = true
+ }
+ if len(deps) == 1 {
+ return foundDeps[0].mod, foundDeps[0].tag
+ } else if len(deps) >= 2 {
+ // this could happen if two dependencies have the same name in different namespaces
+ // TODO(b/186554727): this should not occur if namespaces are handled within
+ // getDirectDepsInternal.
+ panic(fmt.Errorf("Multiple dependencies having same BaseModuleName() %q found from %q",
+ name, b.ModuleName()))
+ } else {
+ return nil, nil
+ }
+}
+
+func (b *baseModuleContext) GetDirectDepsWithTag(tag blueprint.DependencyTag) []Module {
+ var deps []Module
+ b.VisitDirectDepsBlueprint(func(module blueprint.Module) {
+ if aModule, _ := module.(Module); aModule != nil {
+ if b.bp.OtherModuleDependencyTag(aModule) == tag {
+ deps = append(deps, aModule)
+ }
+ }
+ })
+ return deps
+}
+
+// GetDirectDep returns the Module and DependencyTag for the direct dependency with the specified
+// name, or nil if none exists. If there are multiple dependencies on the same module it returns the
+// first DependencyTag.
+func (b *baseModuleContext) GetDirectDep(name string) (blueprint.Module, blueprint.DependencyTag) {
+ return b.getDirectDepFirstTag(name)
+}
+
+func (b *baseModuleContext) ModuleFromName(name string) (blueprint.Module, bool) {
+ if !b.isBazelConversionMode() {
+ panic("cannot call ModuleFromName if not in bazel conversion mode")
+ }
+ var m blueprint.Module
+ var ok bool
+ if moduleName, _ := SrcIsModuleWithTag(name); moduleName != "" {
+ m, ok = b.bp.ModuleFromName(moduleName)
+ } else {
+ m, ok = b.bp.ModuleFromName(name)
+ }
+ if !ok {
+ return m, ok
+ }
+ // If this module is not preferred, tried to get the prebuilt version instead
+ if a, aOk := m.(Module); aOk && !IsModulePrebuilt(a) && !IsModulePreferred(a) {
+ return b.ModuleFromName("prebuilt_" + name)
+ }
+ return m, ok
+}
+
+func (b *baseModuleContext) VisitDirectDepsBlueprint(visit func(blueprint.Module)) {
+ b.bp.VisitDirectDeps(visit)
+}
+
+func (b *baseModuleContext) VisitDirectDeps(visit func(Module)) {
+ b.bp.VisitDirectDeps(func(module blueprint.Module) {
+ if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps); aModule != nil {
+ visit(aModule)
+ }
+ })
+}
+
+func (b *baseModuleContext) VisitDirectDepsWithTag(tag blueprint.DependencyTag, visit func(Module)) {
+ b.bp.VisitDirectDeps(func(module blueprint.Module) {
+ if b.bp.OtherModuleDependencyTag(module) == tag {
+ if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps); aModule != nil {
+ visit(aModule)
+ }
+ }
+ })
+}
+
+func (b *baseModuleContext) VisitDirectDepsIf(pred func(Module) bool, visit func(Module)) {
+ b.bp.VisitDirectDepsIf(
+ // pred
+ func(module blueprint.Module) bool {
+ if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps); aModule != nil {
+ return pred(aModule)
+ } else {
+ return false
+ }
+ },
+ // visit
+ func(module blueprint.Module) {
+ visit(module.(Module))
+ })
+}
+
+func (b *baseModuleContext) VisitDepsDepthFirst(visit func(Module)) {
+ b.bp.VisitDepsDepthFirst(func(module blueprint.Module) {
+ if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps); aModule != nil {
+ visit(aModule)
+ }
+ })
+}
+
+func (b *baseModuleContext) VisitDepsDepthFirstIf(pred func(Module) bool, visit func(Module)) {
+ b.bp.VisitDepsDepthFirstIf(
+ // pred
+ func(module blueprint.Module) bool {
+ if aModule := b.validateAndroidModule(module, b.bp.OtherModuleDependencyTag(module), b.strictVisitDeps); aModule != nil {
+ return pred(aModule)
+ } else {
+ return false
+ }
+ },
+ // visit
+ func(module blueprint.Module) {
+ visit(module.(Module))
+ })
+}
+
+func (b *baseModuleContext) WalkDepsBlueprint(visit func(blueprint.Module, blueprint.Module) bool) {
+ b.bp.WalkDeps(visit)
+}
+
+func (b *baseModuleContext) WalkDeps(visit func(Module, Module) bool) {
+ b.walkPath = []Module{b.Module()}
+ b.tagPath = []blueprint.DependencyTag{}
+ b.bp.WalkDeps(func(child, parent blueprint.Module) bool {
+ childAndroidModule, _ := child.(Module)
+ parentAndroidModule, _ := parent.(Module)
+ if childAndroidModule != nil && parentAndroidModule != nil {
+ // record walkPath before visit
+ for b.walkPath[len(b.walkPath)-1] != parentAndroidModule {
+ b.walkPath = b.walkPath[0 : len(b.walkPath)-1]
+ b.tagPath = b.tagPath[0 : len(b.tagPath)-1]
+ }
+ b.walkPath = append(b.walkPath, childAndroidModule)
+ b.tagPath = append(b.tagPath, b.OtherModuleDependencyTag(childAndroidModule))
+ return visit(childAndroidModule, parentAndroidModule)
+ } else {
+ return false
+ }
+ })
+}
+
+func (b *baseModuleContext) GetWalkPath() []Module {
+ return b.walkPath
+}
+
+func (b *baseModuleContext) GetTagPath() []blueprint.DependencyTag {
+ return b.tagPath
+}
+
+func (b *baseModuleContext) VisitAllModuleVariants(visit func(Module)) {
+ b.bp.VisitAllModuleVariants(func(module blueprint.Module) {
+ visit(module.(Module))
+ })
+}
+
+func (b *baseModuleContext) PrimaryModule() Module {
+ return b.bp.PrimaryModule().(Module)
+}
+
+func (b *baseModuleContext) FinalModule() Module {
+ return b.bp.FinalModule().(Module)
+}
+
+// IsMetaDependencyTag returns true for cross-cutting metadata dependencies.
+func IsMetaDependencyTag(tag blueprint.DependencyTag) bool {
+ if tag == licenseKindTag {
+ return true
+ } else if tag == licensesTag {
+ return true
+ } else if tag == acDepTag {
+ return true
+ }
+ return false
+}
+
+// A regexp for removing boilerplate from BaseDependencyTag from the string representation of
+// a dependency tag.
+var tagCleaner = regexp.MustCompile(`\QBaseDependencyTag:{}\E(, )?`)
+
+// PrettyPrintTag returns string representation of the tag, but prefers
+// custom String() method if available.
+func PrettyPrintTag(tag blueprint.DependencyTag) string {
+ // Use tag's custom String() method if available.
+ if stringer, ok := tag.(fmt.Stringer); ok {
+ return stringer.String()
+ }
+
+ // Otherwise, get a default string representation of the tag's struct.
+ tagString := fmt.Sprintf("%T: %+v", tag, tag)
+
+ // Remove the boilerplate from BaseDependencyTag as it adds no value.
+ tagString = tagCleaner.ReplaceAllString(tagString, "")
+ return tagString
+}
+
+func (b *baseModuleContext) GetPathString(skipFirst bool) string {
+ sb := strings.Builder{}
+ tagPath := b.GetTagPath()
+ walkPath := b.GetWalkPath()
+ if !skipFirst {
+ sb.WriteString(walkPath[0].String())
+ }
+ for i, m := range walkPath[1:] {
+ sb.WriteString("\n")
+ sb.WriteString(fmt.Sprintf(" via tag %s\n", PrettyPrintTag(tagPath[i])))
+ sb.WriteString(fmt.Sprintf(" -> %s", m.String()))
+ }
+ return sb.String()
+}
+
+func (b *baseModuleContext) Target() Target {
+ return b.target
+}
+
+func (b *baseModuleContext) TargetPrimary() bool {
+ return b.targetPrimary
+}
+
+func (b *baseModuleContext) MultiTargets() []Target {
+ return b.multiTargets
+}
+
+func (b *baseModuleContext) Arch() Arch {
+ return b.target.Arch
+}
+
+func (b *baseModuleContext) Os() OsType {
+ return b.os
+}
+
+func (b *baseModuleContext) Host() bool {
+ return b.os.Class == Host
+}
+
+func (b *baseModuleContext) Device() bool {
+ return b.os.Class == Device
+}
+
+func (b *baseModuleContext) Darwin() bool {
+ return b.os == Darwin
+}
+
+func (b *baseModuleContext) Windows() bool {
+ return b.os == Windows
+}
+
+func (b *baseModuleContext) PrimaryArch() bool {
+ if len(b.config.Targets[b.target.Os]) <= 1 {
+ return true
+ }
+ return b.target.Arch.ArchType == b.config.Targets[b.target.Os][0].Arch.ArchType
+}