Fix #12137 syntaxError with attribute in typedef (#5612)

Author: chrchr-github

lib/tokenize.cpp

@@ -8911,8 +8911,12 @@ Token* Tokenizer::getAttributeFuncTok(Token* tok, bool gccattr) const {
         Token *prev = tok->previous();
         while (Token::Match(prev, "%name%"))
             prev = prev->previous();
-        if (Token::simpleMatch(prev, ")") && Token::Match(prev->link()->previous(), "%name% ("))
-            return prev->link()->previous();
+        if (Token::simpleMatch(prev, ")")) {
+            if (Token::Match(prev->link()->previous(), "%name% ("))
+                return prev->link()->previous();
+            if (Token::Match(prev->link()->tokAt(-2), "%name% ) ("))
+                return prev->link()->tokAt(-2);
+        }
         if (Token::simpleMatch(prev, ")") && Token::Match(prev->link()->tokAt(-2), "operator %op% (") && isCPP())
             return prev->link()->tokAt(-2);
         if ((!prev || Token::Match(prev, "[;{}*]")) && Token::Match(tok->previous(), "%name%"))

test/testsimplifytokens.cpp

@@ -1317,6 +1317,7 @@ class TestSimplifyTokens : public TestFixture {
         ASSERT_EQUALS("blah :: blah f ( ) ;", tok("__attribute__ ((visibility(\"default\"))) blah::blah f();"));
         ASSERT_EQUALS("template < T > Result < T > f ( ) ;", tok("template<T> __attribute__ ((warn_unused_result)) Result<T> f();"));
         ASSERT_EQUALS("template < T , U > Result < T , U > f ( ) ;", tok("template<T, U> __attribute__ ((warn_unused_result)) Result<T, U> f();"));
+        ASSERT_EQUALS("void ( * fp ) ( ) ; fp = nullptr ;", tok("typedef void (*fp_t)() __attribute__((noreturn)); fp_t fp = nullptr;")); // #12137
     }
 
     void simplifyFunctorCall() {