Fixed #3279 (Token::Match called with varid 0)

lib/tokenize.cpp

@@ -3483,6 +3483,9 @@ void Tokenizer::setVarId()
             } while (again);
         }
 
+        if (Token::Match(tok, "%str%"))
+            continue;
+
         // Determine name of declared variable..
         std::string varname;
         Token *tok2 = tok ? tok->next() : 0;

test/testtokenize.cpp

@@ -188,6 +188,7 @@ private:
         TEST_CASE(varid37);   // ticket #3092 (varid for 'Bar bar(*this);')
         TEST_CASE(varid38);   // ticket #3272 (varid for 'FOO class C;')
         TEST_CASE(varid39);   // ticket #3279 (varid for 'FOO::BAR const')
+        TEST_CASE(varid40);   // ticket #3279
         TEST_CASE(varidFunctionCall1);
         TEST_CASE(varidFunctionCall2);
         TEST_CASE(varidFunctionCall3);
@@ -2999,6 +3000,13 @@ private:
         }
     }
 
+    void varid40() {
+        const std::string code("extern \"C\" int (*a())();");
+        ASSERT_EQUALS("\n\n##file 0\n"
+                      "1: extern \"C\" int ( * a ( ) ) ( ) ;\n",
+                      tokenizeDebugListing(code));
+    }
+
     void varidFunctionCall1() {
         const std::string code("void f() {\n"
                                "    int x;\n"