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Exercise 5.3.1: Below is a grammar for expressions involving operator + and integer or floating-point operands. Floating-point numbers are distinguished by having a decimal point. E → E + T | T T→num . num num

Exercise 5.3.1: Below is a grammar for expressions involving operator + and integer or floating-point operands. Floating-point numbers are distinguished by having a decimal point. E → E + T | T T→num . num num

Database System Concepts
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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Exercise 5.3.1: Below is a grammar for expressions involving operator + and integer or floating-point operands. Floating-point numbers are distinguished by having a decimal point. E→E + TT T→ num num | num a) Give an SDD to determine the type of each term T and expression E. b) Extend your SDD of (a) to translate expressions into postfix notation. Use the unary operator intToFloat to turn an integer into an equivalent float.
Transcribed Image Text:Exercise 5.3.1: Below is a grammar for expressions involving operator + and integer or floating-point operands. Floating-point numbers are distinguished by having a decimal point. E→E + TT T→ num num | num a) Give an SDD to determine the type of each term T and expression E. b) Extend your SDD of (a) to translate expressions into postfix notation. Use the unary operator intToFloat to turn an integer into an equivalent float.
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