Design an attribute grammar recognizing the language consisting of binary strings containing the same number of O's and 1's Explain your construction Hint Modify the attribute grammar of problem below Basic results from automata theory tell us that the language L anbnc 6, abc, aabbcc, aaabbbccc, is not context free It can be captured, however, using an attribute grammar Give an underlying CFG and a set of attribute rules that associates a Boolean attribute ok with the root R of each parse tree, such that R ok true if and only if the string corresponding to the fringe of the tree is in L Answer GAs Bs C s Asia As2 D G ok (As val Bs val Cs val) Asi Val As2 Val 1 As val 0 D Bs val 0 Cs val0 D Bsi val Bs2 val 1 Bs D Csi val Cs2 val 1

Question

Design an attribute grammar recognizing the language consisting of binary strings containing the same number of O's and 1's  Explain your construction  Hint  Modify the attribute grammar of problem below Basic results from automata theory tell us that the language L anbnc  6, abc, aabbcc, aaabbbccc, is not context free  It can be captured, however, using an attribute grammar  Give an underlying CFG and a set of attribute rules that associates a Boolean attribute ok with the root R of each parse tree, such that R ok   true if and only if the string corresponding to the fringe of the tree is in L  Answer  GAs Bs C s Asia As2 D G ok  (As val Bs val Cs val) Asi  Val    As2 Val   1 As val 0 D Bs val 0 Cs val0 D Bsi val  Bs2 val 1 Bs D Csi val  Cs2 val 1

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Design an attribute grammar recognizing the language consisting of binary strings containing the same number of O's and 1's. Explain your construction. Hint: Modify the

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