Theory of Computation and Compilers - Basic Of Compiler Design

26. The symbol table implementation is based on the property of locality of reference is

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27. In operator precedence parsing, precedence relations are defined

  • Option : A
  • Explanation :
    There are two important properties for these operator precedence parsers is that it does not appear on the right side of any production and no production has two adjacent nonterminals. Means no production right side is empty or has two adjacent nonterminals. So according to property option (A) is correct.
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28. LR parsers are attractive because

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29. The most powerful parser is

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30. YACC builds up

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