Scenario 2: A compiler is a set of programs that transforms source code written in a Programminglanguage into a binary form known as machine code that can be executed by the computer. Acompiler consists of subsystems, such as a lexical analyzer, preprocessor, parser, code optimizer thatis being executed in sequence.Problem: Some specialized applications may need access to these subsystems directly but in generalusers of a compiler want to just execute compile() rather than calling each subsystem Independently.Your answer must include the following: a. Identify which design pattern is used here as a solution to the problem with justification?

C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter12: Points, Classes, Virtual Functions And Abstract Classes
Section: Chapter Questions
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Scenario 2: A compiler is a set of programs that transforms source code written in a Programminglanguage into a binary form known as machine code that can be executed by the computer. Acompiler consists of subsystems, such as a lexical analyzer, preprocessor, parser, code optimizer thatis being executed in sequence.Problem: Some specialized applications may need access to these subsystems directly but in generalusers of a compiler want to just execute compile() rather than calling each subsystem Independently.Your answer must include the following:
a. Identify which design pattern is used here as a solution to the problem with justification?

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