Review for the Midterm. Overview (Chapter 1):

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Presentation transcript:

Review for the Midterm. Overview (Chapter 1): What are the phases in a compiler? What do we do in each phase?

Review for the Midterm. Lexical analyzer (chapter 3): Regular expression definition Use regular expression to express an pattern How to recognize regular expression? NFA DFA minimize the DFA

Review for the Midterm. Syntax analysis (chapter 4) context free grammar use it to specify a language top-down parsing LL(1) (What is an LL(1) grammar?) How an LL(1) parser works? How to construct an LL(1) parsing table for a grammar. (First, Follow) Bottom parsing SLR, LR(1), LALR How an LR(1) parser works How to construct an SLR/LR(1)/LALR(1) parsing table? What are the major differences among these parsers?