xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
detail	4d99525703 first commit	6 月之前
debug_handler.hpp	4d99525703 first commit	6 月之前
debug_handler_state.hpp	4d99525703 first commit	6 月之前
error_handler.hpp	4d99525703 first commit	6 月之前
grammar.hpp	4d99525703 first commit	6 月之前
nonterminal_fwd.hpp	4d99525703 first commit	6 月之前
rule.hpp	4d99525703 first commit	6 月之前
simple_trace.hpp	4d99525703 first commit	6 月之前
success_handler.hpp	4d99525703 first commit	6 月之前