Add experimental cc_static_library rule

src/main/java/com/google/devtools/build/lib/bazel/rules/CcRules.java

@@ -64,6 +64,7 @@ public void init(ConfiguredRuleClassProvider.Builder builder) {
     builder.addRuleDefinition(new CcToolchainRequiringRule());
     builder.addRuleDefinition(new BaseRuleClasses.EmptyRule("cc_binary") {});
     builder.addRuleDefinition(new EmptyRule("cc_shared_library") {});
+    builder.addRuleDefinition(new EmptyRule("cc_static_library") {});
     builder.addRuleDefinition(new BaseRuleClasses.EmptyRule("cc_test") {});
     builder.addRuleDefinition(new BaseRuleClasses.EmptyRule("cc_library") {});
     builder.addRuleDefinition(new EmptyRule("cc_import") {});

src/main/java/com/google/devtools/build/lib/packages/semantics/BuildLanguageOptions.java

@@ -284,6 +284,18 @@ public final class BuildLanguageOptions extends OptionsBase {
               + "cc_shared_library will be available")
   public boolean experimentalCcSharedLibrary;
 
+  @Option(
+      name = "experimental_cc_static_library",
+      defaultValue = "false",
+      documentationCategory = OptionDocumentationCategory.STARLARK_SEMANTICS,
+      effectTags = {OptionEffectTag.BUILD_FILE_SEMANTICS, OptionEffectTag.LOADING_AND_ANALYSIS},
+      metadataTags = {
+          OptionMetadataTag.EXPERIMENTAL,
+      },
+      help =
+          "If set to true, rule attributes and Starlark API methods needed for the rule "
+              + "cc_static_library will be available")
+  public boolean experimentalCcStaticLibrary;
   @Option(
       name = "incompatible_require_linker_input_cc_api",
       defaultValue = "true",
@@ -755,6 +767,7 @@ public StarlarkSemantics toStarlarkSemantics() {
             .setBool(EXPERIMENTAL_GOOGLE_LEGACY_API, experimentalGoogleLegacyApi)
             .setBool(EXPERIMENTAL_PLATFORMS_API, experimentalPlatformsApi)
             .setBool(EXPERIMENTAL_CC_SHARED_LIBRARY, experimentalCcSharedLibrary)
+            .setBool(EXPERIMENTAL_CC_STATIC_LIBRARY, experimentalCcStaticLibrary)
             .setBool(EXPERIMENTAL_REPO_REMOTE_EXEC, experimentalRepoRemoteExec)
             .setBool(EXPERIMENTAL_DISABLE_EXTERNAL_PACKAGE, experimentalDisableExternalPackage)
             .setBool(EXPERIMENTAL_SIBLING_REPOSITORY_LAYOUT, experimentalSiblingRepositoryLayout)
@@ -845,6 +858,7 @@ public StarlarkSemantics toStarlarkSemantics() {
   public static final String EXPERIMENTAL_BZL_VISIBILITY = "+experimental_bzl_visibility";
   public static final String CHECK_BZL_VISIBILITY = "+check_bzl_visibility";
   public static final String EXPERIMENTAL_CC_SHARED_LIBRARY = "-experimental_cc_shared_library";
+  public static final String EXPERIMENTAL_CC_STATIC_LIBRARY = "-experimental_cc_static_library";
   public static final String EXPERIMENTAL_DISABLE_EXTERNAL_PACKAGE =
       "-experimental_disable_external_package";
   public static final String EXPERIMENTAL_ENABLE_ANDROID_MIGRATION_APIS =

src/main/java/com/google/devtools/build/lib/rules/cpp/CcModule.java

@@ -1005,6 +1005,12 @@ public boolean checkExperimentalCcSharedLibrary(StarlarkThread thread) throws Ev
     return thread.getSemantics().getBool(BuildLanguageOptions.EXPERIMENTAL_CC_SHARED_LIBRARY);
   }
 
+  @Override
+  public boolean checkExperimentalCcStaticLibrary(StarlarkThread thread) throws EvalException {
+    isCalledFromStarlarkCcCommon(thread);
+    return thread.getSemantics().getBool(BuildLanguageOptions.EXPERIMENTAL_CC_STATIC_LIBRARY);
+  }
+
   @Override
   public boolean getIncompatibleDisableObjcLibraryTransition(StarlarkThread thread)
       throws EvalException {

src/main/java/com/google/devtools/build/lib/starlarkbuildapi/cpp/CcModuleApi.java

@@ -1457,6 +1457,13 @@ LinkerInputT createLinkerInput(
       documented = false)
   boolean checkExperimentalCcSharedLibrary(StarlarkThread thread) throws EvalException;
 
+  @StarlarkMethod(
+      name = "check_experimental_cc_static_library",
+      doc = "DO NOT USE. This is to guard use of cc_static_library.",
+      useStarlarkThread = true,
+      documented = false)
+  boolean checkExperimentalCcStaticLibrary(StarlarkThread thread) throws EvalException;
+
   @StarlarkMethod(
       name = "incompatible_disable_objc_library_transition",
       useStarlarkThread = true,

src/main/starlark/builtins_bzl/common/cc/action_names.bzl

@@ -95,6 +95,8 @@ CLIF_MATCH_ACTION_NAME = "clif-match"
 # A string constant for the obj copy actions.
 OBJ_COPY_ACTION_NAME = "objcopy_embed_data"
 
+VALIDATE_STATIC_LIBRARY = "validate-static-library"
+
 ACTION_NAMES = struct(
     c_compile = C_COMPILE_ACTION_NAME,
     cpp_compile = CPP_COMPILE_ACTION_NAME,
@@ -122,4 +124,5 @@ ACTION_NAMES = struct(
     objcpp_compile = OBJCPP_COMPILE_ACTION_NAME,
     clif_match = CLIF_MATCH_ACTION_NAME,
     objcopy_embed_data = OBJ_COPY_ACTION_NAME,
+    validate_static_library = VALIDATE_STATIC_LIBRARY,
 )

src/main/starlark/builtins_bzl/common/cc/cc_common.bzl

@@ -592,6 +592,10 @@ def _check_experimental_cc_shared_library():
     cc_common_internal.check_private_api(allowlist = _PRIVATE_STARLARKIFICATION_ALLOWLIST)
     return cc_common_internal.check_experimental_cc_shared_library()
 
+def _check_experimental_cc_static_library():
+    cc_common_internal.check_private_api(allowlist = _PRIVATE_STARLARKIFICATION_ALLOWLIST)
+    return cc_common_internal.check_experimental_cc_static_library()
+
 def _incompatible_disable_objc_library_transition():
     cc_common_internal.check_private_api(allowlist = _PRIVATE_STARLARKIFICATION_ALLOWLIST)
     return cc_common_internal.incompatible_disable_objc_library_transition()
@@ -872,6 +876,7 @@ cc_common = struct(
     merge_compilation_contexts = _merge_compilation_contexts,
     merge_linking_contexts = _merge_linking_contexts,
     check_experimental_cc_shared_library = _check_experimental_cc_shared_library,
+    check_experimental_cc_static_library = _check_experimental_cc_static_library,
     create_module_map = _create_module_map,
     create_debug_context = _create_debug_context,
     merge_debug_context = _merge_debug_context,