Implement materializer functions for dormant dependencies.

RELNOTES[NEW]: Dormant dependencies and materializer functions are now available with the --experimental_dormant_deps flag.

PiperOrigin-RevId: 676716164
Change-Id: I539f647cbdec99ae0f4f4d8c3107c3dff7321256

src/main/java/com/google/devtools/build/lib/analysis/DependencyResolutionHelpers.java

@@ -29,6 +29,7 @@
 import com.google.devtools.build.lib.analysis.config.Fragment;
 import com.google.devtools.build.lib.analysis.config.transitions.TransitionFactory;
 import com.google.devtools.build.lib.analysis.platform.PlatformInfo;
+import com.google.devtools.build.lib.analysis.starlark.StarlarkMaterializingLateBoundDefault;
 import com.google.devtools.build.lib.cmdline.Label;
 import com.google.devtools.build.lib.packages.Aspect;
 import com.google.devtools.build.lib.packages.AspectClass;
@@ -414,6 +415,12 @@ private static <T> void resolveAttribute(
                     ? computedDefault.getDefault(attributeMap)
                     : defaultValue);
       }
+    } else if (attribute.isLateBound()
+        && attribute.getLateBoundDefault() instanceof StarlarkMaterializingLateBoundDefault<?, ?>) {
+      // These attributes are resolved by calling the materializer function in
+      // DependencyMapProducer. The reason is that they need the analyzed versions some direct
+      // dependencies and we can't do that here.
+      outgoingLabels.put(dependencyKind, null);
     } else if (attribute.isLateBound()) {
       attributeValue =
           type.cast(resolveLateBoundDefault(rule, attributeMap, attribute, ruleConfig));
@@ -454,12 +461,16 @@ static <FragmentT> Object resolveLateBoundDefault(
             rule,
             attributeMap,
             fragmentClass.cast(ruleConfig),
-            /* ctx= */ null,
+            /* analysisContext= */ null,
             /* eventHandler= */ null);
       }
       if (Void.class.equals(fragmentClass)) {
         return lateBoundDefault.resolve(
-            rule, attributeMap, /* input= */ null, /* ctx= */ null, /* eventHandler= */ null);
+            rule,
+            attributeMap,
+            /* input= */ null,
+            /* analysisContext= */ null,
+            /* eventHandler= */ null);
       }
       @SuppressWarnings("unchecked")
       FragmentT fragment =
@@ -468,7 +479,7 @@ static <FragmentT> Object resolveLateBoundDefault(
         return null;
       }
       return lateBoundDefault.resolve(
-          rule, attributeMap, fragment, /* ctx= */ null, /* eventHandler= */ null);
+          rule, attributeMap, fragment, /* analysisContext= */ null, /* eventHandler= */ null);
     } catch (EvalException e) {
       // Materializers should not be called here and those are the only kind of late-bound defaults
       // that can throw these exceptions.

src/main/java/com/google/devtools/build/lib/analysis/producers/BUILD

@@ -52,6 +52,7 @@ java_library(
         "//src/main/java/com/google/devtools/build/lib/analysis:platform_configuration",
         "//src/main/java/com/google/devtools/build/lib/analysis:platform_options",
         "//src/main/java/com/google/devtools/build/lib/analysis:starlark/starlark_build_settings_details_value",
+        "//src/main/java/com/google/devtools/build/lib/analysis:starlark/starlark_materializing_late_bound_default",
         "//src/main/java/com/google/devtools/build/lib/analysis:starlark/starlark_transition",
         "//src/main/java/com/google/devtools/build/lib/analysis:target_and_configuration",
         "//src/main/java/com/google/devtools/build/lib/analysis:toolchain_collection",
@@ -62,6 +63,7 @@ java_library(
         "//src/main/java/com/google/devtools/build/lib/buildeventstream/proto:build_event_stream_java_proto",
         "//src/main/java/com/google/devtools/build/lib/causes",
         "//src/main/java/com/google/devtools/build/lib/cmdline",
+        "//src/main/java/com/google/devtools/build/lib/collect",
         "//src/main/java/com/google/devtools/build/lib/collect/nestedset",
         "//src/main/java/com/google/devtools/build/lib/events",
         "//src/main/java/com/google/devtools/build/lib/packages",
@@ -87,6 +89,7 @@ java_library(
         "//src/main/java/com/google/devtools/build/skyframe",
         "//src/main/java/com/google/devtools/build/skyframe:skyframe-objects",
         "//src/main/java/com/google/devtools/common/options",
+        "//src/main/java/net/starlark/java/eval",
         "//src/main/java/net/starlark/java/syntax",
         "//src/main/protobuf:failure_details_java_proto",
         "//third_party:auto_value",

src/main/java/com/google/devtools/build/lib/analysis/producers/DependencyError.java

@@ -17,6 +17,7 @@
 import com.google.devtools.build.lib.analysis.InvalidVisibilityDependencyException;
 import com.google.devtools.build.lib.analysis.config.DependencyEvaluationException;
 import com.google.devtools.build.lib.analysis.config.transitions.TransitionFactory.TransitionCreationException;
+import com.google.devtools.build.lib.analysis.producers.DependencyMapProducer.MaterializerException;
 import com.google.devtools.build.lib.analysis.starlark.StarlarkTransition.TransitionException;
 import com.google.devtools.build.lib.skyframe.AspectCreationException;
 import com.google.devtools.build.lib.skyframe.config.PlatformMappingException;
@@ -35,6 +36,7 @@ public abstract class DependencyError {
   public enum Kind {
     DEPENDENCY_OPTIONS_PARSING,
     DEPENDENCY_TRANSITION,
+    MATERIALIZER,
     INVALID_VISIBILITY,
     /** An error occurred either computing the aspect collection or merging the aspect values. */
     ASPECT_EVALUATION,
@@ -54,6 +56,8 @@ public enum Kind {
 
   public abstract TransitionException dependencyTransition();
 
+  public abstract MaterializerException materializer();
+
   public abstract InvalidVisibilityDependencyException invalidVisibility();
 
   public abstract DependencyEvaluationException aspectEvaluation();
@@ -75,6 +79,7 @@ public Exception getException() {
     return switch (kind()) {
       case DEPENDENCY_OPTIONS_PARSING -> dependencyOptionsParsing();
       case DEPENDENCY_TRANSITION -> dependencyTransition();
+      case MATERIALIZER -> materializer();
       case INVALID_VISIBILITY -> invalidVisibility();
       case ASPECT_EVALUATION -> aspectEvaluation();
       case ASPECT_CREATION -> aspectCreation();
@@ -92,6 +97,10 @@ static DependencyError of(OptionsParsingException e) {
     return AutoOneOf_DependencyError.dependencyOptionsParsing(e);
   }
 
+  static DependencyError of(MaterializerException e) {
+    return AutoOneOf_DependencyError.materializer(e);
+  }
+
   static DependencyError of(InvalidVisibilityDependencyException e) {
     return AutoOneOf_DependencyError.invalidVisibility(e);
   }