bp2build: support full/lite protos in cc libs
Test: bp2build.sh
Bug: 200601772
Change-Id: I3a7e00546726bc63b5eb8d5604557c5988a5320b
diff --git a/cc/proto.go b/cc/proto.go
index 4466144..f3410bc 100644
--- a/cc/proto.go
+++ b/cc/proto.go
@@ -16,8 +16,14 @@
import (
"github.com/google/blueprint/pathtools"
+ "github.com/google/blueprint/proptools"
"android/soong/android"
+ "android/soong/bazel"
+)
+
+const (
+ protoTypeDefault = "lite"
)
// genProto creates a rule to convert a .proto file to generated .pb.cc and .pb.h files and returns
@@ -63,7 +69,7 @@
var lib string
if String(p.Proto.Plugin) == "" {
- switch String(p.Proto.Type) {
+ switch proptools.StringDefault(p.Proto.Type, protoTypeDefault) {
case "full":
if ctx.useSdk() {
lib = "libprotobuf-cpp-full-ndk"
@@ -71,7 +77,7 @@
} else {
lib = "libprotobuf-cpp-full"
}
- case "lite", "":
+ case "lite":
if ctx.useSdk() {
lib = "libprotobuf-cpp-lite-ndk"
static = true
@@ -157,3 +163,69 @@
return flags
}
+
+type protoAttributes struct {
+ Deps bazel.LabelListAttribute
+}
+
+type bp2buildProtoDeps struct {
+ wholeStaticLib *bazel.LabelAttribute
+ implementationWholeStaticLib *bazel.LabelAttribute
+ protoDep *bazel.LabelAttribute
+}
+
+func bp2buildProto(ctx android.Bp2buildMutatorContext, m *Module, protoSrcs bazel.LabelListAttribute) bp2buildProtoDeps {
+ var ret bp2buildProtoDeps
+
+ protoInfo, ok := android.Bp2buildProtoProperties(ctx, m, protoSrcs)
+ if !ok {
+ return ret
+ }
+
+ var depName string
+ typ := proptools.StringDefault(protoInfo.Type, protoTypeDefault)
+ var rule_class string
+ suffix := "_cc_proto"
+ switch typ {
+ case "lite":
+ suffix += "_lite"
+ rule_class = "cc_lite_proto_library"
+ depName = "libprotobuf-cpp-lite"
+ case "full":
+ rule_class = "cc_proto_library"
+ depName = "libprotobuf-cpp-full"
+ default:
+ ctx.PropertyErrorf("proto.type", "cannot handle conversion at this time: %q", typ)
+ }
+
+ dep := android.BazelLabelForModuleDepSingle(ctx, depName)
+ ret.protoDep = &bazel.LabelAttribute{Value: &dep}
+
+ protoLabel := bazel.Label{Label: ":" + protoInfo.Name}
+ var protoAttrs protoAttributes
+ protoAttrs.Deps.SetValue(bazel.LabelList{Includes: []bazel.Label{protoLabel}})
+
+ name := m.Name() + suffix
+
+ ctx.CreateBazelTargetModule(
+ bazel.BazelTargetModuleProperties{
+ Rule_class: rule_class,
+ Bzl_load_location: "//build/bazel/rules:cc_proto.bzl",
+ },
+ android.CommonAttributes{Name: name},
+ &protoAttrs)
+
+ var privateHdrs bool
+ if lib, ok := m.linker.(*libraryDecorator); ok {
+ privateHdrs = !proptools.Bool(lib.Properties.Proto.Export_proto_headers)
+ }
+
+ labelAttr := &bazel.LabelAttribute{Value: &bazel.Label{Label: ":" + name}}
+ if privateHdrs {
+ ret.implementationWholeStaticLib = labelAttr
+ } else {
+ ret.wholeStaticLib = labelAttr
+ }
+
+ return ret
+}