1. Consider the following pseudocode, assuming a language with nested subroutines: procedure main () x :...

 

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1. Consider the following pseudocode, assuming a language with nested subroutines: procedure main () x : integer procedure B (a : integer) y: integer -1 procedure A (n : integer) x := n print x procedure R(x : integer) X = x - 2 if x > 1 -- else y = x + a A (y +1) body of B print x R (3) X B (5) print x body of main : = 2 R (y + 1) A (x) a) What does this program print if static scoping rules are in effect? Explain. b) What does this program print if dynamic scoping rules are in effect? Explain. c) Show the frames on the stack when procedure R has just been called. For each frame, show the values of local variables and parameters as well as the static links. 1. Consider the following pseudocode, assuming a language with nested subroutines: procedure main () x : integer procedure B (a : integer) y: integer -1 procedure A (n : integer) x := n print x procedure R(x : integer) X = x - 2 if x > 1 -- else y = x + a A (y +1) body of B print x R (3) X B (5) print x body of main : = 2 R(y + 1) A (x) a) What does this program print if static scoping rules are in effect? Explain. b) What does this program print if dynamic scoping rules are in effect? Explain. c) Show the frames on the stack when procedure R has just been called. For each frame, show the values of local variables and parameters as well as the static links. 1. Consider the following pseudocode, assuming a language with nested subroutines: procedure main () x : integer procedure B (a : integer) y: integer -1 procedure A (n : integer) x := n print x procedure R(x : integer) X = x - 2 if x > 1 -- else y = x + a A (y +1) body of B print x R (3) X B (5) print x body of main : = 2 R (y + 1) A (x) a) What does this program print if static scoping rules are in effect? Explain. b) What does this program print if dynamic scoping rules are in effect? Explain. c) Show the frames on the stack when procedure R has just been called. For each frame, show the values of local variables and parameters as well as the static links. 1. Consider the following pseudocode, assuming a language with nested subroutines: procedure main () x : integer procedure B (a : integer) y: integer -1 procedure A (n : integer) x := n print x procedure R(x : integer) X = x - 2 if x > 1 -- else y = x + a A (y +1) body of B print x R (3) X B (5) print x body of main : = 2 R(y + 1) A (x) a) What does this program print if static scoping rules are in effect? Explain. b) What does this program print if dynamic scoping rules are in effect? Explain. c) Show the frames on the stack when procedure R has just been called. For each frame, show the values of local variables and parameters as well as the static links.

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a Static Scoping In static scoping the scope of a variable is determined at compiletime The variable ... View the full answer