compiler: Add FALLTHROUGH_INTENDED to appropriate cases

ejona86 · ejona86 · commit 4b5511e4c083 · 2016-07-22T08:36:05.000-07:00
The macro can become [[clang::fallthrough]] or similar on supporting
compilers.
diff --git a/compiler/src/java_plugin/cpp/java_generator.cpp b/compiler/src/java_plugin/cpp/java_generator.cpp
@@ -18,6 +18,10 @@
 #define XSTR(s) STR(s)
 #endif
 
+#ifndef FALLTHROUGH_INTENDED
+#define FALLTHROUGH_INTENDED
+#endif
+
 namespace java_grpc_generator {
 
 using google::protobuf::FileDescriptor;
@@ -488,13 +492,15 @@ static void PrintStub(
       break;
     case BLOCKING_CLIENT_INTERFACE:
       interface = true;
+      FALLTHROUGH_INTENDED;
     case BLOCKING_CLIENT_IMPL:
       call_type = BLOCKING_CALL;
       stub_name += "BlockingStub";
       client_name += "BlockingClient";
       break;
     case FUTURE_CLIENT_INTERFACE:
       interface = true;
+      FALLTHROUGH_INTENDED;
     case FUTURE_CLIENT_IMPL:
       call_type = FUTURE_CALL;
       stub_name += "FutureStub";
