Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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(a) Rewrite the grammar to give + precedence over * and force + to be right associative.
(b) Rewrite the grammar to add the ++ and -- unary operators of Java.
Transcribed Image Text:Consider the following grammar:
<assign>
<var> = <expr>
<var> → A | B | C
→
<expr> <expr> + <term>
| <term>
<term>
<factor> (<expr> )
| <var>
<term> * <factor>
| <factor>
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