Show a trace of the contents of the referencing environment A-list during execution of the program in

(a) Figure 3.9. Assume that a positive value is read at line 8.

Figure 3.9:

(b) Exercise 3.14.

Data From Exercise 3.14:

Consider the following pseudocode:
What does this programprint if the language uses static scoping? What does it print with dynamic scoping? Why?

Transcribed Image Text:

x: integer -- global procedure set xln : integer) x:= n procedure print.x() write.integer(x) procedure firstl) setx(1) print xl) procedure second() x : integer setx(2) print x() setx(0) first() print.x() second() print.x()