[WASM] Exclude test cases which use -enable-objc-interop

Author: kateinoigakukun

test/lit.cfg

@@ -1230,6 +1230,26 @@ elif run_os == 'wasi':
     config.target_sdk_name = "wasi"
     config.target_runtime = "native"
 
+    # Exclude test cases that use objc-interop because clang doesn't support it
+    # with WebAssembly binary file yet.
+    testfiles = glob.glob(os.path.join(config.test_source_root, "**", "*.swift"))
+
+    def use_objc_interop(path):
+      with open(path) as f:
+        return '-enable-objc-interop' in f.read()
+
+    import fnmatch
+    def objc_interop_enabled_filenames(path, filename_pat):
+      matches = []
+      for root, dirnames, filenames in os.walk(path):
+        for filename in fnmatch.filter(filenames, filename_pat):
+          filepath = os.path.join(root, filename)
+          if not use_objc_interop(filepath): continue
+          matches.append(filename)
+      return matches
+
+    config.excludes += objc_interop_enabled_filenames(config.test_source_root, "*.swift")
+
     config.target_swift_autolink_extract = inferSwiftBinary("swift-autolink-extract")
 
     config.target_build_swift = ' '.join([