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SLR, CLR, and LALR Parser

 

Now, let us see the differences between SLR Parser, CLR Parser, and LALR Parser.

 

The following mentioned below are the differences between the SLR Parser, CLR Parser, and LALR Parser.

SLR ParserCLR ParserLALR Parser
Smaller in SizeSame size as SLRLargest in size
The easiest method based on FOLLOW()Applicable to wider class than SLRMost powerful than SLR/LALR
Less Syntactic featuresSyntactic features are moreLess Syntactic features
Error detection is not immediateError detection is not immediateError detection is immediate
Less time and space complexityMore time and space complexity but efficientMore time and space complexity

 

This is the graphical representation of the LR Parser Family

 

 

 

Reference Link

SLR, CLR, and LALR Parser