CheckUnusedFunctions: added dedicated getErrorMessages()

Author: firewave

lib/checkunusedfunctions.h

@@ -73,11 +73,13 @@ class CPPCHECKLIB CheckUnusedFunctions : public Check {
     /** @brief Combine and analyze all analyzerInfos for all TUs */
     static void analyseWholeProgram(const Settings &settings, ErrorLogger * const errorLogger, const std::string &buildDir);
 
-private:
-    void getErrorMessages(ErrorLogger *errorLogger, const Settings * /*settings*/) const override {
-        CheckUnusedFunctions::unusedFunctionError(errorLogger, emptyString, 0, 0, "funcName");
+    static void getErrorMessages(ErrorLogger *errorLogger) {
+        unusedFunctionError(errorLogger, emptyString, 0, 0, "funcName");
     }
 
+private:
+    void getErrorMessages(ErrorLogger */*errorLogger*/, const Settings * /*settings*/) const override {}
+
     void runChecks(const Tokenizer & /*tokenizer*/, ErrorLogger * /*errorLogger*/) override {}
 
     /**

lib/cppcheck.cpp

@@ -1677,6 +1677,7 @@ void CppCheck::getErrorMessages(ErrorLogger &errorlogger)
     for (std::list<Check *>::const_iterator it = Check::instances().cbegin(); it != Check::instances().cend(); ++it)
         (*it)->getErrorMessages(&errorlogger, &s);
 
+    CheckUnusedFunctions::getErrorMessages(&errorlogger);
     Preprocessor::getErrorMessages(&errorlogger, &s);
 }