Support parsed-only evaluation for lists extensions

PiperOrigin-RevId: 899285209

Author: l46kok

extensions/src/main/java/dev/cel/extensions/CelListsExtensions.java

@@ -241,25 +241,34 @@ public void setRuntimeOptions(CelRuntimeBuilder runtimeBuilder) {
   public void setRuntimeOptions(
       CelRuntimeBuilder runtimeBuilder, RuntimeEquality runtimeEquality, CelOptions celOptions) {
     for (Function function : functions) {
-      runtimeBuilder.addFunctionBindings(function.functionBindings);
+      if (!function.functionBindings.isEmpty()) {
+        runtimeBuilder.addFunctionBindings(
+            CelFunctionBinding.fromOverloads(function.getFunction(), function.functionBindings));
+      }
       for (CelOverloadDecl overload : function.functionDecl.overloads()) {
         switch (overload.overloadId()) {
           case "list_distinct":
             runtimeBuilder.addFunctionBindings(
-                CelFunctionBinding.from(
-                    "list_distinct", Collection.class, (list) -> distinct(list, runtimeEquality)));
+                CelFunctionBinding.fromOverloads(
+                    "distinct",
+                    CelFunctionBinding.from(
+                        "list_distinct", Collection.class, (list) -> distinct(list, runtimeEquality))));
             break;
           case "list_sort":
             runtimeBuilder.addFunctionBindings(
-                CelFunctionBinding.from(
-                    "list_sort", Collection.class, (list) -> sort(list, celOptions)));
+                CelFunctionBinding.fromOverloads(
+                    "sort",
+                    CelFunctionBinding.from(
+                        "list_sort", Collection.class, (list) -> sort(list, celOptions))));
             break;
           case "list_sortByAssociatedKeys":
             runtimeBuilder.addFunctionBindings(
-                CelFunctionBinding.from(
-                    "list_sortByAssociatedKeys",
-                    Collection.class,
-                    (list) -> sortByAssociatedKeys(list, celOptions)));
+                CelFunctionBinding.fromOverloads(
+                    "lists.@sortByAssociatedKeys",
+                    CelFunctionBinding.from(
+                        "list_sortByAssociatedKeys",
+                        Collection.class,
+                        (list) -> sortByAssociatedKeys(list, celOptions))));
             break;
           default:
             // Nothing to add

extensions/src/test/java/dev/cel/extensions/BUILD.bazel

@@ -40,6 +40,7 @@ java_library(
         "//runtime:lite_runtime_factory",
         "//runtime:partial_vars",
         "//runtime:unknown_attributes",
+        "//testing:cel_runtime_flavor",
         "@cel_spec//proto/cel/expr/conformance/proto2:test_all_types_java_proto",
         "@cel_spec//proto/cel/expr/conformance/proto3:test_all_types_java_proto",
         "@cel_spec//proto/cel/expr/conformance/test:simple_java_proto",