google · TristonianJones · Mar 25, 2025 · Nov 18, 2024 · Jan 15, 2025 · Jan 15, 2025
diff --git a/WORKSPACE b/WORKSPACE
@@ -101,8 +101,8 @@ go_repository(
 go_repository(
     name = "dev_cel_expr",
     importpath = "cel.dev/expr",
-    sum = "h1:o+Wj235dy4gFYlYin3JsMpp3EEfMrPm/6tdoyjT98S0=",
-    version = "v0.21.2",
+    sum = "h1:xoFEsNh972Yzey8N9TCPx2nDvMN7TMhQEzxLuj/iRrI=",
+    version = "v0.22.1",
 )
 
 # local_repository(

diff --git a/common/env/env.go b/common/env/env.go
@@ -836,7 +836,7 @@ func (td *TypeDesc) AsCELType(tp types.Provider) (*types.Type, error) {
 	}
 }
 
-// SerializeTypeDesc converts *types.Type to a serialized format TypeDesc
+// SerializeTypeDesc converts a CEL native *types.Type to a serializable TypeDesc.
 func SerializeTypeDesc(t *types.Type) *TypeDesc {
 	typeName := t.TypeName()
 	if t.Kind() == types.TypeParamKind {

diff --git a/ext/extension_option_factory_test.go b/ext/extension_option_factory_test.go
@@ -61,6 +61,9 @@ func TestExtensionOptionFactoryValidBindingsExtension(t *testing.T) {
 		t.Fatalf("ExtensionOptionFactory(%s) returned invalid extension", e.Name)
 	}
 	cfg, err := en.ToConfig("test config")
+	if err != nil {
+		t.Fatalf("ToConfig(%s) returned error: %v", e.Name, err)
+	}
 	if len(cfg.Extensions) != 1 || cfg.Extensions[0].Name != "cel.lib.ext.cel.bindings" || cfg.Extensions[0].Version != "latest" {
 		t.Fatalf("ExtensionOptionFactory(%s) returned invalid extension", e.Name)
 	}

diff --git a/go.mod b/go.mod
@@ -5,7 +5,7 @@ go 1.21.1
 toolchain go1.23.0
 
 require (
-	cel.dev/expr v0.21.2
+	cel.dev/expr v0.22.1
 	github.com/antlr4-go/antlr/v4 v4.13.0
 	github.com/stoewer/go-strcase v1.2.0
 	google.golang.org/genproto/googleapis/api v0.0.0-20240826202546-f6391c0de4c7

diff --git a/go.sum b/go.sum
@@ -1,5 +1,5 @@
-cel.dev/expr v0.21.2 h1:o+Wj235dy4gFYlYin3JsMpp3EEfMrPm/6tdoyjT98S0=
-cel.dev/expr v0.21.2/go.mod h1:MrpN08Q+lEBs+bGYdLxxHkZoUSsCp0nSKTs0nTymJgw=
+cel.dev/expr v0.22.1 h1:xoFEsNh972Yzey8N9TCPx2nDvMN7TMhQEzxLuj/iRrI=
+cel.dev/expr v0.22.1/go.mod h1:MrpN08Q+lEBs+bGYdLxxHkZoUSsCp0nSKTs0nTymJgw=
 github.com/antlr4-go/antlr/v4 v4.13.0 h1:lxCg3LAv+EUK6t1i0y1V6/SLeUi0eKEKdhQAlS8TVTI=
 github.com/antlr4-go/antlr/v4 v4.13.0/go.mod h1:pfChB/xh/Unjila75QW7+VU4TSnWnnk9UTnmpPaOR2g=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=

diff --git a/policy/BUILD.bazel b/policy/BUILD.bazel
@@ -15,7 +15,10 @@
 load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
 
 package(
-    default_visibility = ["//policy:__subpackages__"],
+    default_visibility = [
+        "//policy:__subpackages__",
+        "//tools:__subpackages__"
+    ],
     licenses = ["notice"],
 )
 
@@ -67,3 +70,8 @@ go_test(
         "@in_gopkg_yaml_v3//:go_default_library",
     ],
 )
+
+filegroup(
+    name = "k8s_policy_testdata",
+    srcs = glob(["testdata/k8s/*"]),
+)
diff --git a/policy/testdata/k8s/config.yaml b/policy/testdata/k8s/config.yaml
@@ -14,6 +14,10 @@
 
 name: k8s
 extensions:
+  - name: "optional"
+    version: "latest"
+  - name: "bindings"
+    version: "latest"
   - name: "strings"
     version: 2
 variables:

diff --git a/tools/compiler/BUILD.bazel b/tools/compiler/BUILD.bazel
@@ -0,0 +1,75 @@
+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
+
+package(
+    default_visibility = ["//visibility:public"],
+    licenses = ["notice"],
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "compiler.go",
+    ],
+    importpath = "github.com/google/cel-go/tools/compiler",
+    deps = [
+        "//cel:go_default_library",
+        "//common:go_default_library",
+        "//common/env:go_default_library",
+        "//common/types:go_default_library",
+        "//ext:go_default_library",
+        "//policy:go_default_library",
+        "@dev_cel_expr//:expr",
+        "@dev_cel_expr//conformance:go_default_library",
+        "@in_gopkg_yaml_v3//:go_default_library",
+        "@io_bazel_rules_go//go/runfiles",
+        "@org_golang_google_genproto_googleapis_api//expr/v1alpha1:go_default_library",
+        "@org_golang_google_protobuf//encoding/prototext:go_default_library",
+        "@org_golang_google_protobuf//proto:go_default_library",
+        "@org_golang_google_protobuf//reflect/protoreflect:go_default_library",
+        "@org_golang_google_protobuf//types/descriptorpb:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "compiler_testdata",
+    srcs = glob(["testdata/**"]),
+)
+
+go_test(
+    name = "go_default_test",
+    size = "small",
+    srcs = [
+        "compiler_test.go",
+    ],
+    data = [
+        ":compiler_testdata",
+        "//policy:k8s_policy_testdata",
+    ],
+    embed = [":go_default_library"],
+    deps = [
+        "//cel:go_default_library",
+        "//common/decls:go_default_library",
+        "//common/env:go_default_library",
+        "//common/types:go_default_library",
+        "//ext:go_default_library",
+        "//policy:go_default_library",
+        "@dev_cel_expr//:expr",
+        "@dev_cel_expr//conformance:go_default_library",
+        "@in_gopkg_yaml_v3//:go_default_library",
+        "@org_golang_google_protobuf//types/known/structpb:go_default_library",
+    ],
+)