Internal change.

bazel/antlr4_cc.bzl

@@ -1,5 +1,7 @@
 """Build rules to create C++ code from an Antlr4 grammar."""
 
+load("@rules_java//java:defs.bzl", "java_binary")
+
 def antlr4_cc_lexer(name, src, namespaces = None, imports = None, deps = None, lib_import = None):
     """Generates the C++ source corresponding to an antlr4 lexer definition.
 
@@ -25,8 +27,7 @@ def antlr4_cc_lexer(name, src, namespaces = None, imports = None, deps = None, l
         "%sLexer.h" % base_file_prefix,
         "%sLexer.cpp" % base_file_prefix,
     ]
-
-    native.java_binary(
+    java_binary(
         name = "antlr_tool",
         jvm_flags = ["-Xmx256m"],
         main_class = "org.antlr.v4.Tool",

bazel/go_dependencies.bzl

@@ -208,3 +208,9 @@ def fhir_go_dependencies():
         sum = "h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=",
         version = "v0.0.0-20191204190536-9bdfabe68543",
     )
+    go_repository(
+        name = "com_github_antrl4_go_antlr",
+        importpath = "github.com/antlr4-go/antlr/v4",
+        sum = "h1:lxCg3LAv+EUK6t1i0y1V6/SLeUi0eKEKdhQAlS8TVTI=",
+        version = "v4.13.0",
+    )

bazel/protogen.bzl

@@ -11,9 +11,10 @@
 # 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.
-
 """Rules for generating Protos from FHIR definitions"""
 
+load("@rules_java//java:defs.bzl", "java_binary", "java_test")
+
 R4_PACKAGE_DEP = "@com_google_fhir//spec:fhir_r4"
 PROTO_GENERATOR = "@com_google_fhir//java/com/google/fhir/protogen:ProtoGenerator"
 PROFILE_GENERATOR = "@com_google_fhir//java/com/google/fhir/protogen:ProfileGenerator"
@@ -151,8 +152,7 @@ def gen_fhir_protos(
             "-Dgolden_dir=" + src_dir,
             "-Xmx4096M",
         ]
-
-        native.java_test(
+        java_test(
             name = "GeneratedProtoTest_" + name,
             size = "medium",
             srcs = ["//external:GeneratedProtoTest.java"],
@@ -294,7 +294,7 @@ def _get_tar_for_pkg(pkg):
     return pkg + "_package.tgz"
 
 def _proto_generator_with_runtime_deps_on_existing_protos(name, golden_java_protos_rules):
-    native.java_binary(
+    java_binary(
         name = name,
         main_class = "com.google.fhir.protogen.ProtoGeneratorMain",
         runtime_deps = golden_java_protos_rules +

cc/google/fhir/fhir_path/BUILD

@@ -120,9 +120,7 @@ cc_library(
         "fhir_path_types.h",
     ],
     strip_include_prefix = "//cc/",
-    visibility = [
-        "//visibility:private",  # Only private by automation, not intent. Owner may accept CLs adding visibility. See go/scheuklappen#explicit-private.
-    ],
+    visibility = ["//visibility:private"],
     deps = [
         "//cc/google/fhir:annotations",
         "//cc/google/fhir:fhir_types",
@@ -143,9 +141,7 @@ cc_library(
         "utils.h",
     ],
     strip_include_prefix = "//cc/",
-    visibility = [
-        "//visibility:private",  # Only private by automation, not intent. Owner may accept CLs adding visibility. See go/scheuklappen#explicit-private.
-    ],
+    visibility = ["//visibility:private"],
     deps = [
         "//cc/google/fhir:annotations",
         "//cc/google/fhir:references",

examples/bulkdata/BUILD

@@ -1,9 +1,10 @@
+load("@fhir_bazel_pip_dependencies//:requirements.bzl", "requirement")
+
 # Simple client to download data from FHIR server (using bulk data protocol)
 load(
     "@rules_python//python:python.bzl",
     "py_binary",
 )
-load("@fhir_bazel_pip_dependencies//:requirements.bzl", "requirement")
 
 licenses(["notice"])
 

examples/profiles/BUILD

@@ -1,10 +1,10 @@
+load("//bazel:proto.bzl", "fhir_proto_library")
+load("//bazel:protogen.bzl", "gen_fhir_definitions_and_protos")
+
 package(default_visibility = ["//visibility:public"])
 
 licenses(["notice"])
 
-load("//bazel:protogen.bzl", "gen_fhir_definitions_and_protos")
-load("//bazel:proto.bzl", "fhir_proto_library")
-
 gen_fhir_definitions_and_protos(
     name = "demo",
     additional_proto_imports = [

go/fhirpath/BUILD

@@ -0,0 +1,15 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+licenses(["notice"])
+
+package(default_visibility = ["//visibility:public"])
+
+go_library(
+    name = "fhirpath",
+    srcs = ["visitor.go"],
+    importpath = "github.com/google/fhir/go/fhirpath",
+    deps = [
+        "//go/fhirpath/gen",
+        "@com_github_antrl4_go_antlr//:go_default_library",
+    ],
+)

go/fhirpath/gen/BUILD

@@ -0,0 +1,23 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+licenses(["notice"])
+
+package(default_visibility = ["//visibility:public"])
+
+go_library(
+    name = "gen",
+    srcs = [
+        "doc.go",
+        "fhirpath_base_listener.go",
+        "fhirpath_base_visitor.go",
+        "fhirpath_lexer.go",
+        "fhirpath_listener.go",
+        "fhirpath_parser.go",
+        "fhirpath_visitor.go",
+    ],
+    importpath = "github.com/google/fhir/go/fhirpath/gen",
+    visibility = [
+        "//go/fhirpath:__subpackages__",
+    ],
+    deps = ["@com_github_antrl4_go_antlr//:go_default_library"],
+)

go/fhirpath/gen/doc.go

@@ -0,0 +1,16 @@
+// Copyright 2024 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
+//
+//      http://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.
+
+// Package gen is a FHIRPath parser and lexer generated by Antlr. Do not modify the code in this package
+package gen