equal
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67 \end{center} |
67 \end{center} |
68 |
68 |
69 there are several values for how these regular expressions can |
69 there are several values for how these regular expressions can |
70 recognise the strings (for 1) $ab$ and (for 2) $aaa$. Give in each case |
70 recognise the strings (for 1) $ab$ and (for 2) $aaa$. Give in each case |
71 \emph{all} the values and indicate which one is the POSIX value. |
71 \emph{all} the values and indicate which one is the POSIX value. |
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72 |
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73 \item Parsing combinators consist of atomic parsers, alternative |
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74 parsers, sequence parsers and semantic actions. What is the purpose |
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75 of (1) atomic parsers and of (2) semantic actions? |
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76 |
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77 |
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78 |
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79 |
72 \item \POSTSCRIPT |
80 \item \POSTSCRIPT |
73 \end{enumerate} |
81 \end{enumerate} |
74 |
82 |
75 \end{document} |
83 \end{document} |
76 |
84 |