Multiple choice

In a bottom-up evaluation of a syntax directed definition, inherited attributes can

  1. always be evaluated

  2. be evaluated only if the definition is L-attributed

  3. be evaluated only if the definition has synthesized attributes

  4. never be evaluated
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Every S (synthesized) -attributed definitions is L- attributed. So in a bottom-up evaluation of SDD inherited attributes can be evaluated only if the definition has synthesized attributes.

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