a) A token is a sequence of characters that can be treated as a single logicalentity.A pattern is a description of the form that the lexemes of a token may take.A lexeme is a sequence of characters in the source program that matchesthe pattern for a token and is identified by the lexical analyzer as aninstance of that token.Consider the following C++ program:float limitedSquared (x), float x;{/* returns x squared but never more than 100 */10.0)? 100: x* x;return (x <= -10.0 || x >=}identify the tokens, patterns and lexemes.

Please refer below for your reference: Tokens : Tokens is defined as a sequence of characters that…

Answered: a) A token is a sequence of characters…

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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Similar questions

In C programming, if the return type of a function is Void how can you implement assert statements? For example, Void ceasar(int n, char*x); //if char = c and n = 3 output == f how do i use assert statements as this does not work assert (caesar(3,c)==f);
Please answer in C++ Define a structure called Date with month, day and year as its only data members, Time with hour and minute as its only members and Event with desc (a c-string for description of maximum size 80), date (of type Date) and time (of type Time). Write a readEvents() function that will keep asking the user if he or she wants to add a new event. As long as the user answers with a 'y' or 'Y', allocate memory dynamically for an Event structure, storing the pointer returned by new in the array of Event pointers and then read the Event data from the keyboard and store them in the Event just created. Dates should be entered like 5/21/20 and times as 10:15. When finished entering the Events, the function will return the number of Events entered. Write a sort-desc() function to sort the Events by their description by rearranging the pointers (rather than the structures), by passing it the array of pointers and the number of Events created. Use a swapPtrs() function to swap…
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