1.

A shift-reduce parser carries out the actions specified within braces immediately after reducing with the corresponding rule of the grammar.S -> xxW[print“1”]S -> y[print“2”]W -> S2[print“3”], what is the translation of “x x x x y z z”?

A. 1 1 2 3 1
B. 1 1 2 3 3
C. 2 3 1 3 1
D. 2 3 3 2 1
Answer» D. 2 3 3 2 1


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