bp2build for java_library with .kt srcs or common_srcs
java_library modules with .kt srcs or common_srcs will be converted into
module type kt_jvm_library
Test: m bp2build, manually inspected build files for allowlisted modules
Bug: 258688914
Change-Id: I8293a11c8247b4b76358d0991f82c6b61b58adc3
diff --git a/java/java.go b/java/java.go
index b6fc6b8..9dca4ef 100644
--- a/java/java.go
+++ b/java/java.go
@@ -2307,11 +2307,21 @@
Deps bazel.LabelListAttribute
}
-// convertLibraryAttrsBp2Build converts a few shared attributes from java_* modules
-// and also separates dependencies into dynamic dependencies and static dependencies.
-// Each corresponding Bazel target type, can have a different method for handling
-// dynamic vs. static dependencies, and so these are returned to the calling function.
-func (m *Library) convertLibraryAttrsBp2Build(ctx android.TopDownMutatorContext) (*javaCommonAttributes, *javaDependencyLabels) {
+// bp2BuildJavaInfo has information needed for the conversion of java*_modules
+// that is needed bor Bp2Build conversion but that requires different handling
+// depending on the module type.
+type bp2BuildJavaInfo struct {
+ // separates dependencies into dynamic dependencies and static dependencies.
+ DepLabels *javaDependencyLabels
+ hasKotlinSrcs bool
+}
+
+// convertLibraryAttrsBp2Build returns a javaCommonAttributes struct with
+// converted attributes shared across java_* modules and a bp2BuildJavaInfo struct
+// which has other non-attribute information needed for bp2build conversion
+// that needs different handling depending on the module types, and thus needs
+// to be returned to the calling function.
+func (m *Library) convertLibraryAttrsBp2Build(ctx android.TopDownMutatorContext) (*javaCommonAttributes, *bp2BuildJavaInfo) {
var srcs bazel.LabelListAttribute
var deps bazel.LabelList
var staticDeps bazel.LabelList
@@ -2330,14 +2340,18 @@
protoSrcPartition := "proto"
logtagSrcPartition := "logtag"
aidlSrcPartition := "aidl"
+ kotlinPartition := "kotlin"
srcPartitions := bazel.PartitionLabelListAttribute(ctx, &srcs, bazel.LabelPartitions{
javaSrcPartition: bazel.LabelPartition{Extensions: []string{".java"}, Keep_remainder: true},
logtagSrcPartition: bazel.LabelPartition{Extensions: []string{".logtags", ".logtag"}},
protoSrcPartition: android.ProtoSrcLabelPartition,
aidlSrcPartition: android.AidlSrcLabelPartition,
+ kotlinPartition: bazel.LabelPartition{Extensions: []string{".kt"}},
})
javaSrcs := srcPartitions[javaSrcPartition]
+ kotlinSrcs := srcPartitions[kotlinPartition]
+ javaSrcs.Append(kotlinSrcs)
if !srcPartitions[logtagSrcPartition].IsEmpty() {
logtagsLibName := m.Name() + "_logtags"
@@ -2447,18 +2461,25 @@
depLabels.Deps = bazel.MakeLabelListAttribute(deps)
depLabels.StaticDeps = bazel.MakeLabelListAttribute(staticDeps)
- return commonAttrs, depLabels
+ bp2BuildInfo := &bp2BuildJavaInfo{
+ DepLabels: depLabels,
+ hasKotlinSrcs: !kotlinSrcs.IsEmpty(),
+ }
+
+ return commonAttrs, bp2BuildInfo
}
type javaLibraryAttributes struct {
*javaCommonAttributes
- Deps bazel.LabelListAttribute
- Exports bazel.LabelListAttribute
- Neverlink bazel.BoolAttribute
+ Deps bazel.LabelListAttribute
+ Exports bazel.LabelListAttribute
+ Neverlink bazel.BoolAttribute
+ Common_srcs bazel.LabelListAttribute
}
func javaLibraryBp2Build(ctx android.TopDownMutatorContext, m *Library) {
- commonAttrs, depLabels := m.convertLibraryAttrsBp2Build(ctx)
+ commonAttrs, bp2BuildInfo := m.convertLibraryAttrsBp2Build(ctx)
+ depLabels := bp2BuildInfo.DepLabels
deps := depLabels.Deps
if !commonAttrs.Srcs.IsEmpty() {
@@ -2473,15 +2494,25 @@
ctx.ModuleErrorf("Module has direct dependencies but no sources. Bazel will not allow this.")
}
+ var props bazel.BazelTargetModuleProperties
attrs := &javaLibraryAttributes{
javaCommonAttributes: commonAttrs,
Deps: deps,
Exports: depLabels.StaticDeps,
}
- props := bazel.BazelTargetModuleProperties{
- Rule_class: "java_library",
- Bzl_load_location: "//build/bazel/rules/java:library.bzl",
+ if !bp2BuildInfo.hasKotlinSrcs && len(m.properties.Common_srcs) == 0 {
+ props = bazel.BazelTargetModuleProperties{
+ Rule_class: "java_library",
+ Bzl_load_location: "//build/bazel/rules/java:library.bzl",
+ }
+ } else {
+ attrs.Common_srcs = bazel.MakeLabelListAttribute(android.BazelLabelForModuleSrc(ctx, m.properties.Common_srcs))
+
+ props = bazel.BazelTargetModuleProperties{
+ Rule_class: "kt_jvm_library",
+ Bzl_load_location: "@rules_kotlin//kotlin:jvm_library.bzl",
+ }
}
name := m.Name()
@@ -2498,7 +2529,8 @@
// JavaBinaryHostBp2Build is for java_binary_host bp2build.
func javaBinaryHostBp2Build(ctx android.TopDownMutatorContext, m *Binary) {
- commonAttrs, depLabels := m.convertLibraryAttrsBp2Build(ctx)
+ commonAttrs, bp2BuildInfo := m.convertLibraryAttrsBp2Build(ctx)
+ depLabels := bp2BuildInfo.DepLabels
deps := depLabels.Deps
deps.Append(depLabels.StaticDeps)