Switch CelStandardFunctions to use dev.cel.runtime.CelFunctionBinding

runtime/BUILD.bazel

@@ -15,6 +15,13 @@ java_library(
     ],
 )
 
+java_library(
+    name = "standard_functions",
+    exports = [
+        "//runtime/src/main/java/dev/cel/runtime:standard_functions",
+    ],
+)
+
 java_library(
     name = "function_binding",
     visibility = ["//visibility:public"],

runtime/src/main/java/dev/cel/runtime/BUILD.bazel

@@ -200,7 +200,6 @@ RUNTIME_SOURCES = [
     "CelRuntimeFactory.java",
     "CelRuntimeLegacyImpl.java",
     "CelRuntimeLibrary.java",
-    "CelStandardFunctions.java",
     "CelVariableResolver.java",
     "HierarchicalVariableResolver.java",
     "UnknownContext.java",
@@ -247,6 +246,28 @@ java_library(
     ],
 )
 
+java_library(
+    name = "standard_functions",
+    srcs = ["CelStandardFunctions.java"],
+    tags = [
+    ],
+    deps = [
+        ":function_binding",
+        ":runtime_equality",
+        ":runtime_helpers",
+        "//common:error_codes",
+        "//common:options",
+        "//common:runtime_exception",
+        "//common/annotations",
+        "//common/internal:comparison_functions",
+        "//common/internal:safe_string_formatter",
+        "@maven//:com_google_errorprone_error_prone_annotations",
+        "@maven//:com_google_guava_guava",
+        "@maven//:com_google_protobuf_protobuf_java",
+        "@maven//:com_google_protobuf_protobuf_java_util",
+    ],
+)
+
 java_library(
     name = "function_binding",
     srcs = [
@@ -310,29 +331,24 @@ java_library(
         ":interpreter",
         ":proto_message_runtime_equality",
         ":runtime_equality",
-        ":runtime_helpers",
         ":runtime_type_provider_legacy",
         ":unknown_attributes",
         "//:auto_value",
         "//common",
-        "//common:error_codes",
         "//common:options",
-        "//common:runtime_exception",
         "//common/annotations",
         "//common/internal:cel_descriptor_pools",
-        "//common/internal:comparison_functions",
         "//common/internal:default_message_factory",
         "//common/internal:dynamic_proto",
         "//common/internal:proto_message_factory",
-        "//common/internal:safe_string_formatter",
         "//common/types:cel_types",
         "//common/values:cel_value_provider",
         "//common/values:proto_message_value_provider",
+        "//runtime:standard_functions",
         "@maven//:com_google_code_findbugs_annotations",
         "@maven//:com_google_errorprone_error_prone_annotations",
         "@maven//:com_google_guava_guava",
         "@maven//:com_google_protobuf_protobuf_java",
-        "@maven//:com_google_protobuf_protobuf_java_util",
         "@maven//:org_jspecify_jspecify",
     ],
 )

runtime/src/main/java/dev/cel/runtime/CelRuntimeLegacyImpl.java

@@ -243,9 +243,9 @@ public CelRuntimeLegacyImpl build() {
       DynamicProto dynamicProto = DynamicProto.create(runtimeTypeFactory);
       RuntimeEquality runtimeEquality = ProtoMessageRuntimeEquality.create(dynamicProto, options);
 
-      ImmutableMap.Builder<String, CelFunctionBinding> functionBindingsBuilder =
+      ImmutableMap.Builder<String, dev.cel.runtime.CelFunctionBinding> functionBindingsBuilder =
           ImmutableMap.builder();
-      for (CelFunctionBinding standardFunctionBinding :
+      for (dev.cel.runtime.CelFunctionBinding standardFunctionBinding :
           newStandardFunctionBindings(runtimeEquality)) {
         functionBindingsBuilder.put(
             standardFunctionBinding.getOverloadId(), standardFunctionBinding);
@@ -257,7 +257,7 @@ public CelRuntimeLegacyImpl build() {
       functionBindingsBuilder
           .buildOrThrow()
           .forEach(
-              (String overloadId, CelFunctionBinding func) ->
+              (String overloadId, dev.cel.runtime.CelFunctionBinding func) ->
                   dispatcher.add(
                       overloadId, func.getArgTypes(), (args) -> func.getDefinition().apply(args)));
 
@@ -288,7 +288,7 @@ public CelRuntimeLegacyImpl build() {
           this);
     }
 
-    private ImmutableSet<CelFunctionBinding> newStandardFunctionBindings(
+    private ImmutableSet<dev.cel.runtime.CelFunctionBinding> newStandardFunctionBindings(
         RuntimeEquality runtimeEquality) {
       CelStandardFunctions celStandardFunctions;
       if (standardEnvironmentEnabled) {
@@ -381,6 +381,7 @@ private Builder(Builder builder) {
       this.extensionRegistry = builder.extensionRegistry;
       this.customTypeFactory = builder.customTypeFactory;
       this.standardEnvironmentEnabled = builder.standardEnvironmentEnabled;
+      this.overriddenStandardFunctions = builder.overriddenStandardFunctions;
       this.celValueProvider = builder.celValueProvider;
       // The following needs to be deep copied as they are collection builders
       this.fileTypes = deepCopy(builder.fileTypes);

runtime/src/main/java/dev/cel/runtime/CelStandardFunctions.java

@@ -34,7 +34,6 @@
 import dev.cel.common.annotations.Internal;
 import dev.cel.common.internal.ComparisonFunctions;
 import dev.cel.common.internal.SafeStringFormatter;
-import dev.cel.runtime.CelRuntime.CelFunctionBinding;
 import dev.cel.runtime.CelStandardFunctions.StandardFunction.Overload.Arithmetic;
 import dev.cel.runtime.CelStandardFunctions.StandardFunction.Overload.BooleanOperator;
 import dev.cel.runtime.CelStandardFunctions.StandardFunction.Overload.Comparison;
@@ -1939,6 +1938,7 @@ public CelStandardFunctions build() {
      * Functional interface for filtering standard functions. Returning true in the callback will
      * include the function in the environment.
      */
+    @SuppressWarnings("AndroidJdkLibsChecker") // FunctionalInterface added in 24
     @FunctionalInterface
     public interface FunctionFilter {
       boolean include(StandardFunction standardFunction, StandardOverload standardOverload);
@@ -1961,6 +1961,7 @@ private FunctionBindingHelper(CelOptions celOptions, RuntimeEquality runtimeEqua
     }
   }
 
+  @SuppressWarnings("AndroidJdkLibsChecker") // FunctionalInterface added in 24
   @FunctionalInterface
   @Immutable
   private interface FunctionBindingCreator {

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

@@ -49,6 +49,7 @@ java_library(
         "//runtime:proto_message_runtime_helpers",
         "//runtime:runtime_equality",
         "//runtime:runtime_helpers",
+        "//runtime:standard_functions",
         "//runtime:type_resolver",
         "//runtime:unknown_attributes",
         "//runtime:unknown_options",