- ProgramSyntax::Module &parse(const std::string &, const std::string &);
- ProgramSyntax::Module &parse(IO::Base &, const std::string &);
+ ProgramSyntax::Module &parse(const std::string &, const std::string &, unsigned = 0);
+ ProgramSyntax::Module &parse(IO::Base &, const std::string &, unsigned = 0);