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Suppose that we have a production A rightarrow BCD. Each of the four nonterminals A, B, C, and D have two attributes: s is a
Suppose that we have a production A rightarrow BCD. Each of the four nonterminals A, B, C, and D have two attributes: s is a synthesized attribute, and i is an inherited attribute. For each of the sets of rules below, tell whether (i) the rules are consistent with an S-attributed definition (ii) the rules are consistent with an L-attributed definition, and (in) whether the rules are consistent with any evaluation order at all? a) A.s = B.i + C.s. b) A.s = B.i + C.s and D.i = A.i + B.s. c) A.s = B.s + D.s. ! d) A.s = D.i, B.i = As + C.s, C.i = B.s, and D.i = B.i + C.i
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