Recognize backticks

Author: sstwcw

clang/lib/Format/UnwrappedLineParser.cpp

@@ -4441,8 +4441,8 @@ unsigned UnwrappedLineParser::parseVerilogHierarchyHeader() {
           Prev->setFinalizedType(TT_VerilogDimensionedTypeName);
         parseSquare();
       } else if (Keywords.isVerilogIdentifier(*FormatTok) ||
-                 FormatTok->isOneOf(tok::coloncolon, Keywords.kw_automatic,
-                                    tok::kw_static)) {
+                 FormatTok->isOneOf(tok::hash, tok::hashhash, tok::coloncolon,
+                                    Keywords.kw_automatic, tok::kw_static)) {
         nextToken();
       } else {
         break;

clang/unittests/Format/FormatTestVerilog.cpp

@@ -706,6 +706,13 @@ TEST_F(FormatTestVerilog, Hierarchy) {
   verifyFormat("function automatic x::x x\n"
                "    (input x);\n"
                "endfunction : x");
+  // Names having to do macros should be recognized.
+  verifyFormat("function automatic x::x x``x\n"
+               "    (input x);\n"
+               "endfunction : x");
+  verifyFormat("function automatic x::x `x\n"
+               "    (input x);\n"
+               "endfunction : x");
   verifyNoCrash("x x(x x, x x);");
 }
 

clang/unittests/Format/TokenAnnotatorTest.cpp

@@ -2603,6 +2603,12 @@ TEST_F(TokenAnnotatorTest, UnderstandsVerilogOperators) {
   Tokens = Annotate("module x();\nendmodule");
   ASSERT_EQ(Tokens.size(), 7u) << Tokens;
   EXPECT_TOKEN(Tokens[2], tok::l_paren, TT_VerilogMultiLineListLParen);
+  Tokens = Annotate("function automatic `x x();\nendmodule");
+  ASSERT_EQ(Tokens.size(), 10u) << Tokens;
+  EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_VerilogMultiLineListLParen);
+  Tokens = Annotate("function automatic x``x x();\nendmodule");
+  ASSERT_EQ(Tokens.size(), 11u) << Tokens;
+  EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogMultiLineListLParen);
   Tokens = Annotate("function automatic x::x x();\nendmodule");
   ASSERT_EQ(Tokens.size(), 11u) << Tokens;
   EXPECT_TOKEN(Tokens[6], tok::l_paren, TT_VerilogMultiLineListLParen);