In file included from main.cpp:121:0:
format_visitor.h: In member function 'std::__cxx11::string FormatVisitor::stringWithPadd(const string&, uint32_t, const uint32_t&, char)':
format_visitor.h:27:17: error: unused variable 'start' [-Werror=unused-variable]
       int const start = 0;
                 ^~~~~
format_visitor.h: In member function 'virtual void FormatVisitor::Visit(const ClassDeclarationNode*)':
format_visitor.h:85:7: error: expected ';' before 'cur_str'
       cur_str++;
       ^~~~~~~
cc1plus: all warnings being treated as errors