rust: Fix GRPC generator invocation

When using the grpc generator, the plugin expects to also have access to
the protobuf generator. This patch ensures that aprotoc will use the
Soong copy of the protobuf generator, rather than trying to use a
locally installed version from PATH.

Test: m nothing
Change-Id: I26da4d18c97017da7d8cd9515a07a2b7b2575342
This commit is contained in:
Matthew Maurer 2020-11-06 01:40:41 +00:00
parent b0a713acf9
commit 5819e58fdc

View file

@ -55,17 +55,17 @@ type protobufDecorator struct {
func (proto *protobufDecorator) GenerateSource(ctx ModuleContext, deps PathDeps) android.Path {
var protoFlags android.ProtoFlags
var pluginPath android.Path
var pluginPaths android.Paths
protoFlags.OutTypeFlag = "--rust_out"
outDir := android.PathForModuleOut(ctx)
pluginPath, protoFlags = proto.setupPlugin(ctx, protoFlags, outDir)
pluginPaths, protoFlags = proto.setupPlugin(ctx, protoFlags, outDir)
protoFlags.Flags = append(protoFlags.Flags, defaultProtobufFlags...)
protoFlags.Flags = append(protoFlags.Flags, proto.Properties.Proto_flags...)
protoFlags.Deps = append(protoFlags.Deps, pluginPath)
protoFlags.Deps = append(protoFlags.Deps, pluginPaths...)
protoFile := android.OptionalPathForModuleSrc(ctx, proto.Properties.Proto)
if !protoFile.Valid() {
@ -90,21 +90,25 @@ func (proto *protobufDecorator) GenerateSource(ctx ModuleContext, deps PathDeps)
return modFile
}
func (proto *protobufDecorator) setupPlugin(ctx ModuleContext, protoFlags android.ProtoFlags, outDir android.ModuleOutPath) (android.Path, android.ProtoFlags) {
var pluginPath android.Path
func (proto *protobufDecorator) setupPlugin(ctx ModuleContext, protoFlags android.ProtoFlags, outDir android.ModuleOutPath) (android.Paths, android.ProtoFlags) {
pluginPaths := []android.Path{}
if proto.plugin == Protobuf {
pluginPath = ctx.Config().HostToolPath(ctx, "protoc-gen-rust")
pluginPath := ctx.Config().HostToolPath(ctx, "protoc-gen-rust")
pluginPaths = append(pluginPaths, pluginPath)
protoFlags.Flags = append(protoFlags.Flags, "--plugin="+pluginPath.String())
} else if proto.plugin == Grpc {
pluginPath = ctx.Config().HostToolPath(ctx, "grpc_rust_plugin")
grpcPath := ctx.Config().HostToolPath(ctx, "grpc_rust_plugin")
protobufPath := ctx.Config().HostToolPath(ctx, "protoc-gen-rust")
pluginPaths = append(pluginPaths, grpcPath, protobufPath)
protoFlags.Flags = append(protoFlags.Flags, "--grpc_out="+outDir.String())
protoFlags.Flags = append(protoFlags.Flags, "--plugin=protoc-gen-grpc="+pluginPath.String())
protoFlags.Flags = append(protoFlags.Flags, "--plugin=protoc-gen-grpc="+grpcPath.String())
protoFlags.Flags = append(protoFlags.Flags, "--plugin=protoc-gen-rust="+protobufPath.String())
} else {
ctx.ModuleErrorf("Unknown protobuf plugin type requested")
}
return pluginPath, protoFlags
return pluginPaths, protoFlags
}
func (proto *protobufDecorator) SourceProviderProps() []interface{} {