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L8-Yacc - Introduction to Compiler Design Yacc The Parser...

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Introduction to Compiler Design Yacc: The Parser Generator Professor Yi-Ping You Department of Computer Science http://www.cs.nctu.edu.tw/~ypyou/ Page 1 Introduction to Compiler Design, Spring 2010
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The Goal of Term Project Compiler LEX P Java YACC P program bytecode Binary .class file t JVM Assembler for to run on JVM Java bytecode Page 2 Introduction to Compiler Design, Spring 2010
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Compilation Flow Project 1 (lex) Project 2 (yacc) Project 3 (yacc) (Semantic Analyzer) Project 4 (yacc) Page 3 Introduction to Compiler Design, Spring 2010
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What is YACC? What is YACC ? Tool which will produce a parser for a given grammar YACC (Yet Another Compiler-Compiler) is a program designed to compile a LALR(1) grammar and to produce the source code of the syntactic analyzer of the language produced by this grammar Original written by Stephen C. Johnson, 1975 Variants: yacc (AT&T) bison: a yacc replacement (GNU) BSD yacc PCYACC (Abraxas Software) Page 4 Introduction to Compiler Design, Spring 2010
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