Your solution to the previous exercise probably doesnt generalize to languages with nontrivial scoping rules. Explain how
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Your solution to the previous exercise probably doesn’t generalize to languages with nontrivial scoping rules. Explain how an AG such as that in Figure 4.14 might be modified to use a global symbol table similar to the one described in Section C 3.4.1. Among other things, you should consider nested scopes, the hiding of names in outer scopes, and the requirement (not enforced by the table of Section C 3.4.1) that variables be declared before they are used.
Figure 4.14:
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