Add support for add_exports/add_opens

README.md

@@ -47,6 +47,16 @@ http_archive(
     ],
 )
 
+http_archive(
+    name = "bazel_features",
+    sha256 = "d7787da289a7fb497352211ad200ec9f698822a9e0757a4976fd9f713ff372b3",
+    strip_prefix = "bazel_features-1.9.1",
+    url = "https://github.com/bazel-contrib/bazel_features/releases/download/v1.9.1/bazel_features-v1.9.1.tar.gz",
+)
+
+load("@bazel_features//:deps.bzl", "bazel_features_deps")
+bazel_features_deps()
+
 # See https://github.com/bazelbuild/rules_scala/releases for up to date version information.
 http_archive(
     name = "io_bazel_rules_scala",

WORKSPACE

@@ -15,6 +15,17 @@ load("@bazel_skylib//:workspace.bzl", "bazel_skylib_workspace")
 
 bazel_skylib_workspace()
 
+http_archive(
+    name = "bazel_features",
+    sha256 = "d7787da289a7fb497352211ad200ec9f698822a9e0757a4976fd9f713ff372b3",
+    strip_prefix = "bazel_features-1.9.1",
+    url = "https://github.com/bazel-contrib/bazel_features/releases/download/v1.9.1/bazel_features-v1.9.1.tar.gz",
+)
+
+load("@bazel_features//:deps.bzl", "bazel_features_deps")
+
+bazel_features_deps()
+
 _build_tools_release = "5.1.0"
 
 http_archive(

examples/scala3/WORKSPACE

@@ -11,6 +11,17 @@ http_archive(
     ],
 )
 
+http_archive(
+    name = "bazel_features",
+    sha256 = "d7787da289a7fb497352211ad200ec9f698822a9e0757a4976fd9f713ff372b3",
+    strip_prefix = "bazel_features-1.9.1",
+    url = "https://github.com/bazel-contrib/bazel_features/releases/download/v1.9.1/bazel_features-v1.9.1.tar.gz",
+)
+
+load("@bazel_features//:deps.bzl", "bazel_features_deps")
+
+bazel_features_deps()
+
 local_repository(
     name = "io_bazel_rules_scala",
     path = "../..",

examples/semanticdb/WORKSPACE

@@ -14,6 +14,17 @@ http_archive(
     ],
 )
 
+http_archive(
+    name = "bazel_features",
+    sha256 = "d7787da289a7fb497352211ad200ec9f698822a9e0757a4976fd9f713ff372b3",
+    strip_prefix = "bazel_features-1.9.1",
+    url = "https://github.com/bazel-contrib/bazel_features/releases/download/v1.9.1/bazel_features-v1.9.1.tar.gz",
+)
+
+load("@bazel_features//:deps.bzl", "bazel_features_deps")
+
+bazel_features_deps()
+
 local_repository(
     name = "io_bazel_rules_scala",
     path = "../..",

examples/testing/multi_frameworks_toolchain/WORKSPACE

@@ -11,6 +11,17 @@ http_archive(
     ],
 )
 
+http_archive(
+    name = "bazel_features",
+    sha256 = "d7787da289a7fb497352211ad200ec9f698822a9e0757a4976fd9f713ff372b3",
+    strip_prefix = "bazel_features-1.9.1",
+    url = "https://github.com/bazel-contrib/bazel_features/releases/download/v1.9.1/bazel_features-v1.9.1.tar.gz",
+)
+
+load("@bazel_features//:deps.bzl", "bazel_features_deps")
+
+bazel_features_deps()
+
 local_repository(
     name = "io_bazel_rules_scala",
     path = "../../..",

examples/testing/scalatest_repositories/WORKSPACE

@@ -11,6 +11,17 @@ http_archive(
     ],
 )
 
+http_archive(
+    name = "bazel_features",
+    sha256 = "d7787da289a7fb497352211ad200ec9f698822a9e0757a4976fd9f713ff372b3",
+    strip_prefix = "bazel_features-1.9.1",
+    url = "https://github.com/bazel-contrib/bazel_features/releases/download/v1.9.1/bazel_features-v1.9.1.tar.gz",
+)
+
+load("@bazel_features//:deps.bzl", "bazel_features_deps")
+
+bazel_features_deps()
+
 local_repository(
     name = "io_bazel_rules_scala",
     path = "../../..",

examples/testing/specs2_junit_repositories/WORKSPACE

@@ -11,6 +11,17 @@ http_archive(
     ],
 )
 
+http_archive(
+    name = "bazel_features",
+    sha256 = "d7787da289a7fb497352211ad200ec9f698822a9e0757a4976fd9f713ff372b3",
+    strip_prefix = "bazel_features-1.9.1",
+    url = "https://github.com/bazel-contrib/bazel_features/releases/download/v1.9.1/bazel_features-v1.9.1.tar.gz",
+)
+
+load("@bazel_features//:deps.bzl", "bazel_features_deps")
+
+bazel_features_deps()
+
 local_repository(
     name = "io_bazel_rules_scala",
     path = "../../..",

scala/private/common_attributes.bzl

@@ -1,5 +1,6 @@
 """Shared attributes for rules"""
 
+load("@bazel_features//:features.bzl", "bazel_features")
 load(
     "@io_bazel_rules_scala//scala/private:coverage_replacements_provider.bzl",
     _coverage_replacements_provider = "coverage_replacements_provider",
@@ -48,7 +49,10 @@ common_attrs_for_plugin_bootstrapping = {
         default = False,
         mandatory = False,
     ),
-}
+} | ({
+    "add_exports": attr.string_list(),
+    "add_opens": attr.string_list(),
+} if bazel_features.java.java_info_constructor_module_flags else {})
 
 common_attrs = {}
 

scala/private/macros/scala_repositories.bzl

@@ -92,6 +92,14 @@ def rules_scala_setup(scala_compiler_srcjar = None):
             ],
         )
 
+    if not native.existing_rule("bazel_features"):
+        http_archive(
+            name = "bazel_features",
+            sha256 = "d7787da289a7fb497352211ad200ec9f698822a9e0757a4976fd9f713ff372b3",
+            strip_prefix = "bazel_features-1.9.1",
+            url = "https://github.com/bazel-contrib/bazel_features/releases/download/v1.9.1/bazel_features-v1.9.1.tar.gz",
+        )
+
     if not native.existing_rule("rules_cc"):
         http_archive(
             name = "rules_cc",

scala/private/phases/phase_compile.bzl

@@ -3,6 +3,7 @@
 #
 # DOCUMENT THIS
 #
+load("@bazel_features//:features.bzl", "bazel_features")
 load(
     "@io_bazel_rules_scala//scala/private:paths.bzl",
     _get_files_with_extension = "get_files_with_extension",
@@ -298,7 +299,7 @@ def _create_scala_compilation_provider(ctx, ijar, source_jar, deps_providers):
     runtime_deps = []
     if hasattr(ctx.attr, "runtime_deps"):
         runtime_deps = [dep[JavaInfo] for dep in ctx.attr.runtime_deps]
-    return JavaInfo(
+    kwargs = dict(
         output_jar = ctx.outputs.jar,
         compile_jar = ijar,
         source_jar = source_jar,
@@ -308,6 +309,13 @@ def _create_scala_compilation_provider(ctx, ijar, source_jar, deps_providers):
         neverlink = ctx.attr.neverlink,
     )
 
+    # The JavaInfo constructor's add_exports and add_opens flags were added in Bazel 7:
+    # https://github.com/bazelbuild/bazel/issues/20033
+    if bazel_features.java.java_info_constructor_module_flags:
+        kwargs["add_exports"] = getattr(ctx.attr, "add_exports", [])
+        kwargs["add_opens"] = getattr(ctx.attr, "add_opens", [])
+    return JavaInfo(**kwargs)
+
 def _pack_source_jar(ctx, scala_srcs, input_srcjars):
     # https://github.com/bazelbuild/bazel/blob/ff6c0333e4f957bb9f7ab5401b01dbf3e9b515b1/src/main/java/com/google/devtools/build/lib/rules/java/JavaInfoBuildHelper.java#L180-L183
     # java_common.pack_sources checks for no srcs and only a single input jar

scala/private/phases/phase_write_executable.bzl

@@ -73,6 +73,15 @@ def _phase_write_executable(
     executable = p.declare_executable.executable
     wrapper = p.java_wrapper
 
+    # Add --add-exports / --add-opens flags
+    merged_java_info = p.compile.merged_provider
+    add_exports = merged_java_info.module_flags_info.add_exports
+    add_opens = merged_java_info.module_flags_info.add_opens
+    if add_exports or add_opens:
+        jvm_flags = list(jvm_flags)
+        jvm_flags += ["--add-exports=%s=ALL-UNNAMED" % x for x in add_exports.to_list()]
+        jvm_flags += ["--add-opens=%s=ALL-UNNAMED" % x for x in add_opens.to_list()]
+
     if (is_windows(ctx)):
         return _write_executable_windows(ctx, executable, rjars, main_class, jvm_flags, wrapper, use_jacoco)
     else:

scala/scala_import.bzl

@@ -1,3 +1,4 @@
+load("@bazel_features//:features.bzl", "bazel_features")
 load("@io_bazel_rules_scala//scala:jars_to_labels.bzl", "JarsToLabelsInfo")
 load("//scala/settings:stamp_settings.bzl", "StampScalaImport")
 load(
@@ -68,7 +69,7 @@ def _scala_import_impl(ctx):
     ]
 
 def _new_java_info(ctx, jar, stamped_jar):
-    return JavaInfo(
+    kwargs = dict(
         output_jar = jar,
         compile_jar = stamped_jar,
         exports = [target[JavaInfo] for target in ctx.attr.exports],
@@ -78,6 +79,13 @@ def _new_java_info(ctx, jar, stamped_jar):
         neverlink = ctx.attr.neverlink,
     )
 
+    # The JavaInfo constructor's add_exports and add_opens flags were added in Bazel 7:
+    # https://github.com/bazelbuild/bazel/issues/20033
+    if bazel_features.java.java_info_constructor_module_flags:
+        kwargs["add_exports"] = ctx.attr.add_exports
+        kwargs["add_opens"] = ctx.attr.add_opens
+    return JavaInfo(**kwargs)
+
 def _add_labels_of_current_code_jars(code_jars, label, jars2labels):
     for jar in code_jars.to_list():
         jars2labels[jar.path] = label
@@ -148,6 +156,9 @@ scala_import = rule(
         "java_compile_toolchain": attr.label(
             default = Label("@bazel_tools//tools/jdk:current_java_toolchain"),
         ),
-    },
+    } | ({
+        "add_exports": attr.string_list(),
+        "add_opens": attr.string_list(),
+    } if bazel_features.java.java_info_constructor_module_flags else {}),
     toolchains = ["@bazel_tools//tools/jdk:toolchain_type"],
 )

test_version/WORKSPACE.template

@@ -11,6 +11,17 @@ http_archive(
     ],
 )
 
+http_archive(
+    name = "bazel_features",
+    sha256 = "d7787da289a7fb497352211ad200ec9f698822a9e0757a4976fd9f713ff372b3",
+    strip_prefix = "bazel_features-1.9.1",
+    url = "https://github.com/bazel-contrib/bazel_features/releases/download/v1.9.1/bazel_features-v1.9.1.tar.gz",
+)
+
+load("@bazel_features//:deps.bzl", "bazel_features_deps")
+
+bazel_features_deps()
+
 http_archive(
     name = "rules_proto",
     sha256 = "8e7d59a5b12b233be5652e3d29f42fba01c7cbab09f6b3a8d0a57ed6d1e9a0da",