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Consider the following grammar: → begin end → | ; → = | print → A | B | C → + | - → | 0 | 1 Perform a left-most derivation of the following program:  begin A = 0 ; print A end Draw the parse tree for the derivation above.

Consider the following grammar: → begin end → | ; → = | print → A | B | C → + | - → | 0 | 1 Perform a left-most derivation of the following program:  begin A = 0 ; print A end Draw the parse tree for the derivation above.

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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Consider the following grammar:

<program> → begin <stmts> end

<stmts> → <stmt> | <stmt> ; <stmts>

<stmt> → <var> = <expr> | print <term>

<var> → A | B | C

<expr> → <term> + <term> | <term> - <term>

<term> → <var> | 0 | 1

  1. Perform a left-most derivation of the following program:  begin A = 0 ; print A end
  2. Draw the parse tree for the derivation above.
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