a) A token is a sequence of characters that can be treated as a single logical entity. 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 matches the pattern for a token and is identified by the lexical analyzer as an instance 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.

a) A token is a sequence of characters that can be treated as a single logical entity. 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 matches the pattern for a token and is identified by the lexical analyzer as an instance 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.

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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