Concepts Of Programming Languages
Concepts Of Programming Languages
12th Edition
ISBN: 9780134997186
Author: Sebesta, Robert W.
Publisher: Pearson,
Expert Solution & Answer
Book Icon
Chapter 4, Problem 13RQ

Explanation of Solution

The reason named constants are used:

The lexical analyzers collect the characters of the input string and group them into logical groups according to the pattern matching rules. These logical groupings are called as lexemes.

Lexical analyzer assigns some internal (numeric) codes to the lexemes (logical groupings) according to their structure. Instead of assigning numeric codes, named constants are used for token codes due to the following reasons:

  • Gives better readability to the code...

Blurred answer
Students have asked these similar questions
I need help to solve the following case, thank you
hi I would like to get help to resolve the following case
Could you help me to know  features of the following concepts: - defragmenting. - dynamic disk. - hardware RAID
Knowledge Booster
Background pattern image
Similar questions
SEE MORE QUESTIONS
Recommended textbooks for you
Text book image
EBK JAVA PROGRAMMING
Computer Science
ISBN:9781337671385
Author:FARRELL
Publisher:CENGAGE LEARNING - CONSIGNMENT
Text book image
CMPTR
Computer Science
ISBN:9781337681872
Author:PINARD
Publisher:Cengage
Text book image
C++ Programming: From Problem Analysis to Program...
Computer Science
ISBN:9781337102087
Author:D. S. Malik
Publisher:Cengage Learning
Text book image
New Perspectives on HTML5, CSS3, and JavaScript
Computer Science
ISBN:9781305503922
Author:Patrick M. Carey
Publisher:Cengage Learning
Text book image
EBK JAVA PROGRAMMING
Computer Science
ISBN:9781305480537
Author:FARRELL
Publisher:CENGAGE LEARNING - CONSIGNMENT
Text book image
Systems Architecture
Computer Science
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Cengage Learning