Finalize A0-1-4 except finding a good fName

Author: jeongsoolee09

cpp/common/src/codingstandards/cpp/rules/unusedparameter/UnusedParameter.qll

@@ -1,6 +1,6 @@
 /**
-* Provides a library which includes a `problems` predicate for reporting unused parameters.
-*/
+ * Provides a library which includes a `problems` predicate for reporting unused parameters.
+ */
 
 import cpp
 import codingstandards.cpp.Customizations
@@ -11,7 +11,7 @@ abstract class UnusedParameterSharedQuery extends Query { }
 
 Query getQuery() { result instanceof UnusedParameterSharedQuery }
 
-predicate isMaybeUnusedParameter(Parameter parameter) {
+query predicate isMaybeUnusedParameter(Parameter parameter) {
   parameter.getAnAttribute().toString() = "maybe_unused"
 }
 
@@ -32,10 +32,13 @@ query predicate lambdaExprParamHasAccess(Parameter parameter) {
 
 query predicate problems(UnusedParameter p, string message, Function f, string fName) {
   not isExcluded(p, getQuery()) and
-  (not isMaybeUnusedParameter(p) and
-   f = p.getFunction() and
-  // Virtual functions are covered by a different rule
-   not f.isVirtual()) and
+  (
+    not isMaybeUnusedParameter(p) and
+    f = p.getFunction() and
+    // Virtual functions are covered by a different rule
+    not f.isVirtual()
+  ) and
   message = "Unused parameter '" + p.getName() + "' for function $@." and
-  fName = f.getQualifiedName()
+  // fName = f.getQualifiedName()
+  fName = "TODO."
 }