Question
1. Consider the following grammar for arithmetic expressions with unary plus and minus operators. E -> E + T -> E - T -> T
1. Consider the following grammar for arithmetic expressions with unary plus and minus operators.
E -> E + T -> E - T -> T -> + T -> - T T -> T * F -> T / F -> F F -> ( E ) -> Num -> Id
a) Draw the parse tree for the expression -2 + 5 + 7.
b) Evaluate the expression -2 + 5 + 7.
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Seven Databases In Seven Weeks A Guide To Modern Databases And The NoSQL Movement
Authors: Eric Redmond ,Jim Wilson
1st Edition
1934356921, 978-1934356920
