Ullman (Compiler Design) Edition 2 Exercise 5.4 Question 1 (Page No. 336)

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We mentioned in Section $5.4.2$ that it is possible to deduce, from the LR state on the parsing stack, what grammar symbol is represented by the state. How would we discover this information?

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Ullman (Compiler Design) Edition 2 Exercise 5.4 Question 2 (Page No. 336 - 337)
Rewrite the following SDT: $A\rightarrow A\{a\}B\mid AB\{b\}\mid 0$ $B\rightarrow B\{c\}A\mid BA\{d\}\mid 1$ so that the underlying grammar becomes non-left-recursive. Here, $a, b, c$, and $d$ are actions, and $0$ and $1$ are terminals.

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Ullman (Compiler Design) Edition 2 Exercise 5.4 Question 7 (Page No. 337)
Modify the SDD of Fig. $5.25$ to include superscripts denoted by operator sup between boxes. If box $B_{2}$ is a superscript of box $B_{1}$, then position the baseline of $B_{2}\:0.6$ times the point size of $B_{1}$ above the baseline of $B_{1}.\text{Add}$ the new production and rules to the SDT of Fig. $5.26$.

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Ullman (Compiler Design) Edition 2 Exercise 5.4 Question 6 (Page No. 337)
Modify the SDD of Fig. $5.25$ to include a synthesized attribute $B.le$, the length of a box. The length of the concatenation of two boxes is the sum of the lengths of each. Then add your new rules to the proper positions in the SDT of Fig. $5.26$.

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Ullman (Compiler Design) Edition 2 Exercise 5.4 Question 5 (Page No. 337)
Write L-attributed SDT's analogous to that of Example $5.19$ for the following productions, each of which represents a familiar flow-of-control construct, as in the programming language C. You may need to ... middle to the next statement, so it is not sufficient simply to generate code for each statement in order.

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descriptive

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Ullman (Compiler Design) Edition 2 Exercise 5.4 Question 1 (Page No. 336)

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