der the following pseudo code: x : integer : =1 y: integer :=2 procedure set_x(n: integer) X: n procedure print_x () write_integer (x) procedure add x :=x+y procedure fun(A: function; n: integer) y: integer : = 3 if y>n A() add () procedure foo(S, P: function; n: integer) x : integer := 5 if n in {1, 3} else else set_x(n) S(n) if n in {1, 2} else print_x() P() fun(add, n) 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 a. what will the program print if the language uses static scoping b. if the language uses dynamic scoping, what will the program shallow binding?

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
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Can someone explain the output of this pseudocode code to me?

Also S(n) is set_x() and P() is print_x()

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sider the following pseudo code:
x : integer : =1
y: integer : =2
procedure set_x(n: integer)
X:=n
procedure print_x ( )
write_integer (x)
procedure add
x :=x+y
procedure fun(A: function; n: integer)
y: integer : = 3
if y>n
else
add ()
procedure foo(S, P: function; n: integer)
x : integer := 5
if n in {1,3}
else
A()
else
set_x(n)
S(n)
if n in {1, 2}
print_x()
P()
fun(add, n)
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
a. what will the program print if the language uses static scoping
b. if the language uses dynamic scoping, what will the program
shallow binding?
c. if the language uses dynamic scoping, what will the program
binding?
Transcribed Image Text:sider the following pseudo code: x : integer : =1 y: integer : =2 procedure set_x(n: integer) X:=n procedure print_x ( ) write_integer (x) procedure add x :=x+y procedure fun(A: function; n: integer) y: integer : = 3 if y>n else add () procedure foo(S, P: function; n: integer) x : integer := 5 if n in {1,3} else A() else set_x(n) S(n) if n in {1, 2} print_x() P() fun(add, n) 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 a. what will the program print if the language uses static scoping b. if the language uses dynamic scoping, what will the program shallow binding? c. if the language uses dynamic scoping, what will the program binding?
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