Question: Programming Languages Concepts. Please show your work with clear and legible work. 4. (3 points) For the simple arithmetic language we studied in class, imagine

Programming Languages Concepts.

Please show your work with clear and legible work.

Programming Languages Concepts. Please show your work with clear and legible work.

4. (3 points) For the simple arithmetic language we studied in class, imagine we add a unary operator 66-99 for negation; that is, 9 is interpreted as number negative night. The grammar is then -> | + | 1 ^ -> 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 The grammar is clearly ambiguous. Reformulate the grammar so that + and _ are left-associative and the precedence of > is higher than + and _

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