'Predictive parsing program' diaporamas de présentation

Chapter 9

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Lecture #12

Lecture #12. Parsing Types. Parsing. Parsing = process of determining if a string of tokens can be generated by a grammar For any CF grammar there is a parser that takes at most O ( n 3 ) time to parse a string of n tokens

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Parsing methods: Top-down parsing Bottom-up parsing Universal

Parsing methods: Top-down parsing Bottom-up parsing Universal. Non recursive predictive parsing Predictive parser can be implemented by recursive-descent parsing (may need to manipulate the grammar, e.g eliminating left recursion and left factoring).

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