that method, it is also called LL,LR,SLR or LALR (k). LL(k) means a top-down parser can be created for the parser with a max lookahead of k symbols. LR(k) means a bottom-up parser can be created for the parser with a max lookahead of k symbols. LALR(1) grammars are a subs...
G Size (G) Mossin LR 7PS-LR SLR [G.sub.1] 24 1608 652 1236 491 [G.sub.2] 48 3751 2070 2999 1197 [G.sub.3] 123 6181 5870 7294 2700 The LALR method uses a more precise method of computing the lookahead, but also works by decorating an LR(0) parser [DeRemer 1969]. Unfortun...
Insert$at the bottom of the stack and the right end of the input string in Input Buffer. Shift− Parser shifts zero or more input symbols onto the stack until the handle is on top of the stack. Reduce− Parser reduce or replace the handle on top of the stack to the left side of...