Use generics for providers API

Using generics for the providers API allows a type to be associated
with a ProviderKey, resulting in a type-safe API without that doesn't
require runtime type assertions by every caller.

Unfortunately, Go does not allow generic types in methods, only in
functions [1].  This prevents a type-safe API on ModuleContext, and
requires moving the API to be functions that take a ModuleContext as
a parameter.

This CL creates the new API, but doesn't convert all of the callers.

[1] https://go.googlesource.com/proposal/+/refs/heads/master/design/43651-type-parameters.md#no-parameterized-methods)

Bug: 316410648
Test: builds
Change-Id: I3e30d68b966b730efd968166a38a25cc144bd6de

1 files changed, 17 insertions, 1 deletions

diff --git a/android/testing.go b/android/testing.go
index fa4dffd9b..39a268b23 100644
--- a/android/testing.go
+++ b/android/testing.go
@@ -203,7 +203,17 @@ func (ctx *TestContext) HardCodedPreArchMutators(f RegisterMutatorFunc) {
 	ctx.PreArchMutators(f)
 }
 
-func (ctx *TestContext) ModuleProvider(m blueprint.Module, p blueprint.ProviderKey) interface{} {
+func (ctx *TestContext) ModuleProvider(m blueprint.Module, p blueprint.AnyProviderKey) any {
+	value, _ := ctx.Context.ModuleProvider(m, p)
+	return value
+}
+
+func (ctx *TestContext) ModuleHasProvider(m blueprint.Module, p blueprint.AnyProviderKey) bool {
+	_, ok := ctx.Context.ModuleProvider(m, p)
+	return ok
+}
+
+func (ctx *TestContext) moduleProvider(m blueprint.Module, p blueprint.AnyProviderKey) (any, bool) {
 	return ctx.Context.ModuleProvider(m, p)
 }
 
@@ -225,6 +235,12 @@ func (ctx *TestContext) PreArchBp2BuildMutators(f RegisterMutatorFunc) {
 	ctx.bp2buildPreArch = append(ctx.bp2buildPreArch, f)
 }
 
+func (ctx *TestContext) OtherModuleProviderAdaptor() OtherModuleProviderContext {
+	return NewOtherModuleProviderAdaptor(func(module blueprint.Module, provider blueprint.AnyProviderKey) (any, bool) {
+		return ctx.moduleProvider(module, provider)
+	})
+}
+
 // registeredComponentOrder defines the order in which a sortableComponent type is registered at
 // runtime and provides support for reordering the components registered for a test in the same
 // way.