Adds ExtensionKit support

ExtensionKit extensions uses EXAppExtensionAttributes in its info.plist. extension_point_identifiers_parser.py didn't support that so that it fails to find the ExtensionKit extensions.
Also adds an ExtensionKit extension to the example iOSAPP.

Signed-off-by: Cong Shi <[email protected]>

Author: congt

examples/integration/ExtensionKitExtension/BUILD

@@ -0,0 +1,56 @@
+load("@build_bazel_rules_apple//apple:apple.bzl", "local_provisioning_profile")
+load("@build_bazel_rules_apple//apple:ios.bzl", "ios_extension")
+load("@build_bazel_rules_swift//swift:swift.bzl", "swift_library")
+load("@rules_xcodeproj//xcodeproj:defs.bzl", "xcode_provisioning_profile")
+load(
+    "//:xcodeproj_targets.bzl",
+    "IOS_BUNDLE_ID",
+    "TEAMID",
+)
+
+config_setting(
+    name = "device_build",
+    values = {
+        "cpu": "ios_arm64",
+    },
+)
+
+ios_extension(
+    name = "ExtensionKitExtension",
+    bundle_id = "{}.extensionkit-extension".format(IOS_BUNDLE_ID),
+    extensionkit_extension = True,
+    families = ["iphone"],
+    infoplists = [":Info.plist"],
+    minimum_os_version = "15.0",
+    provisioning_profile = select({
+        ":device_build": ":xcode_profile",
+        "//conditions:default": None,
+    }),
+    version = "//iOSApp:Version",
+    visibility = ["//iOSApp:__subpackages__"],
+    deps = [
+        "ExtensionKitExtension.library",
+    ],
+)
+
+xcode_provisioning_profile(
+    name = "xcode_profile",
+    managed_by_xcode = True,
+    provisioning_profile = ":xcode_managed_profile",
+    tags = ["manual"],
+)
+
+local_provisioning_profile(
+    name = "xcode_managed_profile",
+    profile_name = "iOS Team Provisioning Profile: {}.extensionkit-extension".format(IOS_BUNDLE_ID),
+    tags = ["manual"],
+    team_id = TEAMID,
+)
+
+swift_library(
+    name = "ExtensionKitExtension.library",
+    srcs = glob(["**/*.swift"]),
+    module_name = "ExtensionKitExtension",
+    tags = ["manual"],
+    visibility = ["//:__subpackages__"],
+)

examples/integration/ExtensionKitExtension/Info.plist

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundlePackageType</key>
+	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
+	<key>EXAppExtensionAttributes</key>
+	<dict>
+        <key>EXExtensionPointIdentifier</key>
+        <string>com.apple.generic-extension</string>
+	</dict>
+</dict>
+</plist>

examples/integration/ExtensionKitExtension/main.swift

@@ -0,0 +1,6 @@
+import Foundation
+
+public class main {
+    public init() {}
+    public func main() { print("Hello world") }
+}

examples/integration/iOSApp/Source/BUILD

@@ -52,7 +52,10 @@ ios_application(
         ":device_build": None,
         "//conditions:default": "iOSApp_ExecutableName",
     }),
-    extensions = ["//WidgetExtension"],
+    extensions = [
+        "//ExtensionKitExtension",
+        "//WidgetExtension",
+    ],
     families = ["iphone"],
     frameworks = [
         "//iOSApp/Source/CoreUtilsObjC:FrameworkCoreUtilsObjC",

tools/extension_point_identifiers_parser/extension_point_identifiers_parser.py

@@ -28,6 +28,13 @@ def _main(
         extension_point_identifier = (
             plist.get("NSExtension", {}).get("NSExtensionPointIdentifier")
         )
+
+        # Supports ExtensionKit
+        if not extension_point_identifier:
+            extension_point_identifier = (
+                plist.get("EXAppExtensionAttributes", {}).get("EXExtensionPointIdentifier")
+            )
+
         if not extension_point_identifier:
             continue