Write a program in your favorite scripting language

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Question 1: Write a program in your favorite scripting language to remove comments from programs in the calculator language

Question 2: The Unix make utility allows the programmer to specify dependencies among the separately compiled pieces of a program. If file A depends on file B and file B is modified, make deduces that A must be recompiled, in case any of the changes to B would affect the code produced for A. How accurate is this sort of dependence management? Under what circumstances will it lead to unnecessary work? Under what circumstances will it fail to recompile something that needs to be recompiled?

Question 3: (a) Describe in English the language defined by the regular expression a*(b a* b a*)*. Your description should be a high-level characterization-one that would still make sense if we were using a different regular expression for the same language.

(b) Write an unambiguous context-free grammar that generates the same language.

Reference no: EM133368669

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