[lldb][lldb-dap] Cleanup breakpoint filters.

Details:
  - remove Swift breakpoint filter because this version of LLDB does not support Swift.
  - only return objc filters when working on macos.

Author: oontvoo

lldb/tools/lldb-dap/DAP.cpp

@@ -36,9 +36,7 @@ DAP::DAP()
           {{"cpp_catch", "C++ Catch", lldb::eLanguageTypeC_plus_plus},
            {"cpp_throw", "C++ Throw", lldb::eLanguageTypeC_plus_plus},
            {"objc_catch", "Objective-C Catch", lldb::eLanguageTypeObjC},
-           {"objc_throw", "Objective-C Throw", lldb::eLanguageTypeObjC},
-           {"swift_catch", "Swift Catch", lldb::eLanguageTypeSwift},
-           {"swift_throw", "Swift Throw", lldb::eLanguageTypeSwift}}),
+           {"objc_throw", "Objective-C Throw", lldb::eLanguageTypeObjC}}),
       focus_tid(LLDB_INVALID_THREAD_ID), sent_terminated_event(false),
       stop_at_entry(false), is_attach(false),
       enable_auto_variable_summaries(false),

lldb/tools/lldb-dap/lldb-dap.cpp

@@ -1628,7 +1628,14 @@ void request_initialize(const llvm::json::Object &request) {
   body.try_emplace("supportsEvaluateForHovers", true);
   // Available filters or options for the setExceptionBreakpoints request.
   llvm::json::Array filters;
+  std::string triple =
+      std::string(g_dap.debugger.GetSelectedPlatform().GetTriple());
   for (const auto &exc_bp : g_dap.exception_breakpoints) {
+    // Skipping objc breakpoint filters if not working on macos.
+    if (exc_bp.language == lldb::eLanguageTypeObjC &&
+        triple.find("macos") == std::string::npos) {
+      continue;
+    }
     filters.emplace_back(CreateExceptionBreakpointFilter(exc_bp));
   }
   body.try_emplace("exceptionBreakpointFilters", std::move(filters));