Swift: cc wrapper rules

swift/extractor/BUILD.bazel

@@ -1,3 +1,5 @@
+load("//swift:rules.bzl", "swift_cc_binary")
+
 alias(
     name = "swift-llvm-support",
     actual = select({
@@ -6,7 +8,7 @@ alias(
     }),
 )
 
-cc_binary(
+swift_cc_binary(
     name = "extractor",
     srcs = [
         "SwiftExtractor.cpp",
@@ -14,16 +16,6 @@ cc_binary(
         "SwiftExtractorConfiguration.h",
         "main.cpp",
     ],
-    copts = [
-        # Required by LLVM/Swift
-        "-fno-rtti",
-    ],
-    features = ["-universal_binaries"],
-    target_compatible_with = select({
-        "@platforms//os:linux": [],
-        "@platforms//os:macos": [],
-        "//conditions:default": ["@platforms//:incompatible"],
-    }),
     visibility = ["//swift:__pkg__"],
     deps = [
         ":swift-llvm-support",

swift/rules.bzl

@@ -0,0 +1,24 @@
+def _add_args(kwargs, kwarg, value):
+    kwargs[kwarg] = kwargs.get(kwarg, []) + value
+
+def _wrap_cc(rule, kwargs):
+    _add_args(kwargs, "copts", [
+        # Required by LLVM/Swift
+        "-fno-rtti",
+    ])
+    _add_args(kwargs, "features", [
+        # temporary, before we do universal merging
+        "-universal_binaries",
+    ])
+    _add_args(kwargs, "target_compatible_with", select({
+        "@platforms//os:linux": [],
+        "@platforms//os:macos": [],
+        "//conditions:default": ["@platforms//:incompatible"],
+    }))
+    rule(**kwargs)
+
+def swift_cc_binary(**kwargs):
+    _wrap_cc(native.cc_binary, kwargs)
+
+def swift_cc_library(**kwargs):
+    _wrap_cc(native.cc_library, kwargs)