Register instances instead of classes as Skylark-visible globals. -- MOS_MIGRATED_REVID=120538736

diff --git a/src/main/java/com/google/devtools/build/lib/analysis/ConfiguredRuleClassProvider.java b/src/main/java/com/google/devtools/build/lib/analysis/ConfiguredRuleClassProvider.java
index aee043a..56170ba 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/ConfiguredRuleClassProvider.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/ConfiguredRuleClassProvider.java

@@ -45,7 +45,6 @@
 import com.google.devtools.build.lib.syntax.Environment;
 import com.google.devtools.build.lib.syntax.Environment.Extension;
 import com.google.devtools.build.lib.syntax.Mutability;
-import com.google.devtools.build.lib.syntax.SkylarkType;
 import com.google.devtools.common.options.OptionsClassProvider;
 
 import java.lang.reflect.Constructor;
@@ -105,7 +104,7 @@
     private ConfigurationCollectionFactory configurationCollectionFactory;
     private Class<? extends BuildConfiguration.Fragment> universalFragment;
     private PrerequisiteValidator prerequisiteValidator;
-    private ImmutableMap<String, SkylarkType> skylarkAccessibleJavaClasses = ImmutableMap.of();
+    private ImmutableMap<String, Object> skylarkAccessibleTopLevels = ImmutableMap.of();
     private ImmutableList.Builder<Class<?>> skylarkModules =
         ImmutableList.<Class<?>>builder().addAll(SkylarkModules.MODULES);
     private final List<Class<? extends FragmentOptions>> buildOptions = Lists.newArrayList();
@@ -193,8 +192,8 @@
       return this;
     }
 
-    public Builder setSkylarkAccessibleJavaClasses(ImmutableMap<String, SkylarkType> objects) {
-      this.skylarkAccessibleJavaClasses = objects;
+    public Builder setSkylarkAccessibleTopLevels(ImmutableMap<String, Object> objects) {
+      this.skylarkAccessibleTopLevels = objects;
       return this;
     }
 
@@ -277,7 +276,7 @@
           configurationCollectionFactory,
           universalFragment,
           prerequisiteValidator,
-          skylarkAccessibleJavaClasses,
+          skylarkAccessibleTopLevels,
           skylarkModules.build(),
           buildOptions);
     }
@@ -394,7 +393,7 @@
       ConfigurationCollectionFactory configurationCollectionFactory,
       Class<? extends BuildConfiguration.Fragment> universalFragment,
       PrerequisiteValidator prerequisiteValidator,
-      ImmutableMap<String, SkylarkType> skylarkAccessibleJavaClasses,
+      ImmutableMap<String, Object> skylarkAccessibleJavaClasses,
       ImmutableList<Class<?>> skylarkModules,
       List<Class<? extends FragmentOptions>> buildOptions) {
     this.preludeLabel = preludeLabel;
@@ -514,13 +513,13 @@
   }
 
   private Environment.Frame createGlobals(
-      ImmutableMap<String, SkylarkType> skylarkAccessibleJavaClasses,
+      ImmutableMap<String, Object> skylarkAccessibleToplLevels,
       ImmutableList<Class<?>> modules) {
     try (Mutability mutability = Mutability.create("ConfiguredRuleClassProvider globals")) {
       Environment env = createSkylarkRuleClassEnvironment(
           mutability, SkylarkModules.getGlobals(modules), null, null, null);
-      for (Map.Entry<String, SkylarkType> entry : skylarkAccessibleJavaClasses.entrySet()) {
-        env.setup(entry.getKey(), entry.getValue().getType());
+      for (Map.Entry<String, Object> entry : skylarkAccessibleToplLevels.entrySet()) {
+        env.setup(entry.getKey(), entry.getValue());
       }
       return env.getGlobals();
     }

diff --git a/src/main/java/com/google/devtools/build/lib/bazel/rules/BazelRuleClassProvider.java b/src/main/java/com/google/devtools/build/lib/bazel/rules/BazelRuleClassProvider.java
index ef0bca7..61d5224 100644
--- a/src/main/java/com/google/devtools/build/lib/bazel/rules/BazelRuleClassProvider.java
+++ b/src/main/java/com/google/devtools/build/lib/bazel/rules/BazelRuleClassProvider.java

@@ -131,7 +131,6 @@
 import com.google.devtools.build.lib.rules.repository.LocalRepositoryRule;
 import com.google.devtools.build.lib.rules.repository.NewLocalRepositoryRule;
 import com.google.devtools.build.lib.rules.repository.WorkspaceBaseRule;
-import com.google.devtools.build.lib.syntax.SkylarkType;
 import com.google.devtools.build.lib.util.ResourceFileLoader;
 
 import java.io.IOException;
@@ -233,10 +232,10 @@
   /**
    * Java objects accessible from Skylark rule implementations using this module.
    */
-  public static final ImmutableMap<String, SkylarkType> skylarkBuiltinJavaObects =
+  public static final ImmutableMap<String, Object> skylarkBuiltinJavaObects =
       ImmutableMap.of(
-          "android_common", SkylarkType.of(AndroidSkylarkCommon.class),
-          "apple_common", SkylarkType.of(AppleSkylarkCommon.class));
+          "android_common", new AndroidSkylarkCommon(),
+          "apple_common", new AppleSkylarkCommon());
           
   public static void setup(ConfiguredRuleClassProvider.Builder builder) {
     builder
@@ -248,7 +247,7 @@
         .setRunfilesPrefix("")
         .setToolsRepository("@bazel_tools")
         .setPrerequisiteValidator(new BazelPrerequisiteValidator())
-        .setSkylarkAccessibleJavaClasses(skylarkBuiltinJavaObects);
+        .setSkylarkAccessibleTopLevels(skylarkBuiltinJavaObects);
 
     builder.addBuildOptions(BUILD_OPTIONS);
 

diff --git a/src/main/java/com/google/devtools/build/lib/rules/android/AndroidSkylarkCommon.java b/src/main/java/com/google/devtools/build/lib/rules/android/AndroidSkylarkCommon.java
index 1724cfa..462407b 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/android/AndroidSkylarkCommon.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/android/AndroidSkylarkCommon.java

@@ -35,7 +35,7 @@
             + "a directory that designates resource kind (cf. "
             + "http://developer.android.com/guide/topics/resources/providing-resources.html)."
   )
-  public static PathFragment getSourceDirectoryRelativePathFromResource(Artifact resource) {
+  public PathFragment getSourceDirectoryRelativePathFromResource(Artifact resource) {
     return AndroidCommon.getSourceDirectoryRelativePathFromResource(resource);
   }
 }

diff --git a/src/main/java/com/google/devtools/build/lib/rules/objc/AppleSkylarkCommon.java b/src/main/java/com/google/devtools/build/lib/rules/objc/AppleSkylarkCommon.java
index 00b2c66..f77e8ba 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/objc/AppleSkylarkCommon.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/objc/AppleSkylarkCommon.java

@@ -31,7 +31,7 @@
       name = "apple_toolchain",
       doc = "Utilities for resolving items from the apple toolchain."
   )
-  public static AppleToolchain getAppleToolchain() {
+  public AppleToolchain getAppleToolchain() {
     return new AppleToolchain();
   }
   
@@ -40,7 +40,7 @@
       doc = "Retrieves ObjcProvider keys",
       structField = true
   )
-  public static SkylarkKeyStore getKeys() {
+  public SkylarkKeyStore getKeys() {
     return new SkylarkKeyStore();
   } 
 }