短语词组短語Lexer rules 詞法分析槼則demultip lexer 反多路轉換開關Lexer operation 萊尅塞爾手術Alexandra Lexer 表縯者murphy -lexer chisel 累二氏骨鑿Parser -Lexer combination 解析器Lexer 's operation 繙譯 返回 lexer