The algorithm for diagnosing and recovery from errors … There exist two places in the analysis process, … 1. The empty relation holds between the symbol … [symbol] stack and the incoming symbol … 2. The value of the function Leftpart(S_i … S_i) is undefined (.capOmega.), i.e., there exists no … S_i … . In this case a table of erroneous … S-I. If a match is found, an error … i:=j [This allows the compiler designer to write an appropriate comment for erroneous syntactic constructions].
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