Simple LR parser: Difference between revisions

Revision as of 08:33, 1 November 2012

Revision as of 23:21, 5 November 2012

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== Lookahead Sets ==

To understand the differences between SLR and LALR, you should first understand their many similarities and how they both make shift-reduce decisions. Please read article [[LR parser]] now for that background, up through the section on reductions' Lookahead Sets amongst the grammar .

The one difference between SLR and LALR is how their generators calculate the '''lookahead sets''' of input symbols that should appear next, whenever some completed [[Formal grammar#The syntax of grammars|production rule]] is found and reduced.

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[[pl:Parser SLR]]

[[sr:SLR analizator]]

This is the