Computers and Technology, 01.03.2021 22:20, elijahbravo7107
Context Free Grammar. (a) Write a context free grammar for arithmetic expressions which can use numbers, variables and operation + only. (b) Write a context free grammar for the arithmetic expressions above that captures right associativity. (c) Write a context free grammar for arithmetics expressions which can use numbers, variables and binary operations - and + only. Your grammar has to capture the precedence that – must be computed before +. Your grammar should also capture the left associativity of + and -. For example 5+5–5–5+6–5 should be computed as 5 + (5 – 5 – 5) + (6-5). (d) Refine your grammar above to allow parenthesis ( and ). Hint. Recall the techniques on how precedence and associativity were dealt with in the class.
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Context Free Grammar. (a) Write a context free grammar for arithmetic expressions which can use numb...
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