本书是Alfred V.Aho和Jeffry D.Ullman所著的《Principles of Compiler》一书的后续版本。重点在于解决人们在设计语言翻译器时遇到的问题，而不论源和目标机是什么。-This book is Alfred V. Aho and Jeffry D. Ullman book " Principles of Compiler" follow-up version of the book. Focus is to address the peopl