Question

Which one of the following is true about the action of yacc for the given grammar?

(a) It detects recursion and eliminates recursion

(b) It detects reduce-reduce conflict and resolves

(c) It detects shift-reduce conflict and resolves the conflict in favor of a shift over a reduce action

(d) It detects shift-reduce conflict and resolves the conflict in favor of a reduce over a shift action

I got this question during a job interview.

I need to ask this question from L-Attributed Definition in portion Syntax Directed Definition and Translations of Compiler

Answer 1

Right option is (c) It detects shift-reduce conflict and resolves the conflict in favor of a shift over a reduce action

The best I can explain: Yacc tool is used to create a LALR(1) parser.