Highlight the virtual methods.

src/shared/cplusplus/Symbols.cpp

@@ -352,6 +352,20 @@ bool Function::hasArguments() const
               (argumentCount() == 1 && argumentAt(0)->type()->isVoidType()));
 }
 
+unsigned Function::minimumArgumentCount() const
+{
+    unsigned index = 0;
+
+    for (; index < _arguments->symbolCount(); ++index) {
+        if (Argument *arg = _arguments->symbolAt(index)->asArgument()) {
+            if (arg->hasInitializer())
+                break;
+        }
+    }
+
+    return index;
+}
+
 bool Function::isVirtual() const
 { return f._isVirtual; }
 

src/shared/cplusplus/Symbols.h

@@ -360,6 +360,7 @@ public:
 
     /** Convenience function that returns whether the function receives any arguments. */
     bool hasArguments() const;
+    unsigned minimumArgumentCount() const;
 
     bool isVirtual() const;
     void setVirtual(bool isVirtual);