Fixed #1342 (Superclass constructors in initializer lists are considered unused functions when superclass has a namespace.)

lib/checkunusedfunctions.cpp

@@ -53,8 +53,15 @@ void CheckUnusedFunctions::parseTokens(const Tokenizer &tokenizer)
         if (tok->fileIndex() != 0)
             continue;
 
+        // token contains a ':' => skip to next ; or {
         if (tok->str().find(":") != std::string::npos)
-            continue;
+        {
+            while (tok && tok->str().find_first_of(";{"))
+                tok = tok->next();
+            if (tok)
+                continue;
+            break;
+        }
 
         // If this is a template function, skip it
         if (tok->previous() && tok->previous()->str() == ">")

test/testunusedfunctions.cpp

@@ -44,6 +44,7 @@ private:
         TEST_CASE(template1);
         TEST_CASE(throwIsNotAFunction);
         TEST_CASE(unusedError);
+        TEST_CASE(initializationIsNotAFunction);
     }
 
     void check(const char code[])
@@ -170,6 +171,14 @@ private:
               "int main()\n");
         ASSERT_EQUALS("[test.cpp:1]: (style) The function 'foo' is never used\n", errout.str());
     }
+
+    void initializationIsNotAFunction()
+    {
+        check("struct B: N::A {\n"
+              "  B(): N::A() {};\n"
+              "};\n");
+        ASSERT_EQUALS("", errout.str());
+    }
 };
 
 REGISTER_TEST(TestUnusedFunctions)