std::deque<std::string> next_tokens;
ProgramSyntax::Module main_module;
ProgramSyntax::Module *cur_module;
std::deque<std::string> next_tokens;
ProgramSyntax::Module main_module;
ProgramSyntax::Module *cur_module;
ProgramSyntax::InterfaceBlock *parse_interface_block();
ProgramSyntax::Conditional *parse_conditional();
ProgramSyntax::Iteration *parse_iteration();
ProgramSyntax::InterfaceBlock *parse_interface_block();
ProgramSyntax::Conditional *parse_conditional();
ProgramSyntax::Iteration *parse_iteration();