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Assume that the language uses dynamic scoping. What does the program print if the language uses shallow binding? What does it print with deep binding? Why?

Assume that the language uses dynamic scoping. What does the program print if the language uses shallow binding? What does it print with deep binding? Why?

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Edition 4: question 3.18, page 173. x : integer -- global procedure set_x(n : integer) x := n procedure print_x() write_integer(x) procedure foo(S, P: function; n : integer) x : integer := 5 if n in {1, 3} set_x(n) else if n in {1, 2} print_x() else S(n) P set_x(0); foo(set_x, print_x, 1); print_x() set_x(0); foo(set_x, print_x, 2); print_x() set_x(0); foo(set_x, print_x, 3); print_x() set_x(0); foo(set_x, print_x, 4); print_x() Assume that the language uses dynamic scoping. What does the program print if the language uses shallow binding? What does it print with deep binding? Why?
Transcribed Image Text:Edition 4: question 3.18, page 173. x : integer -- global procedure set_x(n : integer) x := n procedure print_x() write_integer(x) procedure foo(S, P: function; n : integer) x : integer := 5 if n in {1, 3} set_x(n) else if n in {1, 2} print_x() else S(n) P set_x(0); foo(set_x, print_x, 1); print_x() set_x(0); foo(set_x, print_x, 2); print_x() set_x(0); foo(set_x, print_x, 3); print_x() set_x(0); foo(set_x, print_x, 4); print_x() Assume that the language uses dynamic scoping. What does the program print if the language uses shallow binding? What does it print with deep binding? Why?
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