Implement bp2build converter for rust_proc_macro
Test: WIP
Bug: 297356482
Change-Id: I17d1a0a95d4a67ccbc9b2d74e49bcacd6ff4d26b
diff --git a/rust/proc_macro.go b/rust/proc_macro.go
index 832b62c..26227d0 100644
--- a/rust/proc_macro.go
+++ b/rust/proc_macro.go
@@ -16,6 +16,8 @@
import (
"android/soong/android"
+ "android/soong/bazel"
+ "fmt"
)
func init() {
@@ -47,6 +49,8 @@
func NewProcMacro(hod android.HostOrDeviceSupported) (*Module, *procMacroDecorator) {
module := newModule(hod, android.MultilibFirst)
+ android.InitBazelModule(module)
+
procMacro := &procMacroDecorator{
baseCompiler: NewBaseCompiler("lib", "lib64", InstallInSystem),
flagExporter: NewFlagExporter(),
@@ -99,3 +103,65 @@
// Proc_macros are never installed
return false
}
+
+type procMacroAttributes struct {
+ Srcs bazel.LabelListAttribute
+ Compile_data bazel.LabelListAttribute
+ Crate_name bazel.StringAttribute
+ Edition bazel.StringAttribute
+ Crate_features bazel.StringListAttribute
+ Deps bazel.LabelListAttribute
+ Rustc_flags bazel.StringListAttribute
+}
+
+func procMacroBp2build(ctx android.TopDownMutatorContext, m *Module) {
+ procMacro := m.compiler.(*procMacroDecorator)
+ srcs, compileData := srcsAndCompileDataAttrs(ctx, *procMacro.baseCompiler)
+ deps := android.BazelLabelForModuleDeps(ctx, append(
+ procMacro.baseCompiler.Properties.Rustlibs,
+ procMacro.baseCompiler.Properties.Rlibs...,
+ ))
+
+ var rustcFLags []string
+ for _, cfg := range procMacro.baseCompiler.Properties.Cfgs {
+ rustcFLags = append(rustcFLags, fmt.Sprintf("--cfg=%s", cfg))
+ }
+
+ attrs := &procMacroAttributes{
+ Srcs: bazel.MakeLabelListAttribute(
+ srcs,
+ ),
+ Compile_data: bazel.MakeLabelListAttribute(
+ compileData,
+ ),
+ Crate_name: bazel.StringAttribute{
+ Value: &procMacro.baseCompiler.Properties.Crate_name,
+ },
+ Edition: bazel.StringAttribute{
+ Value: procMacro.baseCompiler.Properties.Edition,
+ },
+ Crate_features: bazel.StringListAttribute{
+ Value: procMacro.baseCompiler.Properties.Features,
+ },
+ Deps: bazel.MakeLabelListAttribute(
+ deps,
+ ),
+ Rustc_flags: bazel.StringListAttribute{
+ Value: append(
+ rustcFLags,
+ procMacro.baseCompiler.Properties.Flags...,
+ ),
+ },
+ }
+ // m.IsConvertedByBp2build()
+ ctx.CreateBazelTargetModule(
+ bazel.BazelTargetModuleProperties{
+ Rule_class: "rust_proc_macro",
+ Bzl_load_location: "@rules_rust//rust:defs.bzl",
+ },
+ android.CommonAttributes{
+ Name: m.Name(),
+ },
+ attrs,
+ )
+}