Make the generator compile with C++17

- remove unneeded inheritance from binary_function
- replace auto_ptr with unique_ptr (do not use make_unique, which is not in C++11)

Author: mrbean-bremen

generator/parser/rpp/pp-internal.h

@@ -98,19 +98,19 @@ inline bool comment_p (InputIterator _first, InputIterator _last) /*const*/
   return (*_first == '/' || *_first == '*');
 }
 
-struct _Compare_string: public std::binary_function<bool, pp_fast_string const *, pp_fast_string const *>
+struct _Compare_string
 {
   inline bool operator () (pp_fast_string const *__lhs, pp_fast_string const *__rhs) const
   { return *__lhs < *__rhs; }
 };
 
-struct _Equal_to_string: public std::binary_function<bool, pp_fast_string const *, pp_fast_string const *>
+struct _Equal_to_string
 {
   inline bool operator () (pp_fast_string const *__lhs, pp_fast_string const *__rhs) const
   { return *__lhs == *__rhs; }
 };
 
-struct _Hash_string: public std::unary_function<std::size_t, pp_fast_string const *>
+struct _Hash_string
 {
   inline std::size_t operator () (pp_fast_string const *__s) const
   {

generator/typesystem.cpp

@@ -446,7 +446,7 @@ bool Handler::startElement(const QString &, const QString &n,
         return importFileElement(atts);
     }
 
-    std::auto_ptr<StackElement> element(new StackElement(current));
+    std::unique_ptr<StackElement> element(new StackElement(current));
 
     if (!tagNames.contains(tagName)) {
         m_error = QString("Unknown tag name: '%1'").arg(tagName);
@@ -1486,6 +1486,7 @@ TypeDatabase::TypeDatabase() : m_suppressWarnings(true)
 bool TypeDatabase::parseFile(const QString &filename, bool generate)
 {
     QFile file(filename);
+
     Q_ASSERT(file.exists());
     QXmlInputSource source(&file);