Show the stack with all activation record instances, including static and dynamic chains. Access to nonlocals is a (chain_offset, local_offset) pair. Write access to nonlocals for reference to a, b and e at the positions 1, 2 and 3. function main() { yar X: function bigsub { a, b, c; function subl { yar a, d; a =b+c; end of subl function sub2(x) { var b, e; function sub3() { xar c, e; sub1(); e =b+a: // <-- } end of sub3 sub3( ); a=d+e; <-. -3 } end of sub2 sub2 (7): end of bigsub bigsub( ); } / end of main

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Show the stack with all activation record instances, including static and dynamic chains.
Access to nonlocals is a (chain_offset, local_offset) pair.
Write access to nonlocals for reference to a, b and e at the positions 1, 2 and 3.
function main() {
xar X:
function bigsub {
a, b, c;
function subl {
yar a, d;
a =b+c;
<----------
} ||
end of subl
function sub2(x) {
var b, e;
function sub3() {
xar c, e;
subl();
e =b+a:
}
//
end of sub3
sub3( );
a=d+e;
}
end of sub2
sub2 („7):
end of bigsub
bigsub( );
} //
end of main
Transcribed Image Text:Show the stack with all activation record instances, including static and dynamic chains. Access to nonlocals is a (chain_offset, local_offset) pair. Write access to nonlocals for reference to a, b and e at the positions 1, 2 and 3. function main() { xar X: function bigsub { a, b, c; function subl { yar a, d; a =b+c; <---------- } || end of subl function sub2(x) { var b, e; function sub3() { xar c, e; subl(); e =b+a: } // end of sub3 sub3( ); a=d+e; } end of sub2 sub2 („7): end of bigsub bigsub( ); } // end of main
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