Is CLR(1) grammar and LR(1) grammar are same?

Question

Whether LR(1) grammar is same as that of CLR(1) grammar. If yes then please explain and if not then what is the difference between them?

Answer 1

Both are same , conical LR(1) is called as LR(1) .

http://dragonbook.stanford.edu/lecture-notes/Stanford-CS143/09-SLR-Parsing.pdf

http://dragonbook.stanford.edu/lecture-notes/Stanford-CS143/

Comments

thnks for the link, but these are dead now ?

Answer 2

There is no difference between both of them. LR(1) by default is CLR(1).

It uses cannonical collection of LR(1) items.