Top "Ll" questions

LL(k) grammars are grammars that can be parsed from left-to-right, creating a leftmost derivation, using k tokens of lookahead.

How to identify whether a grammar is LL(1), LR(0) or SLR(1)?

How do you identify whether a grammar is LL(1), LR(0), or SLR(1)? Can anyone please explain it using this example, …

parsing grammar lr ll
What is the difference between LL and LR parsing?

Can anyone give me a simple example of LL parsing versus LR parsing?

algorithm parsing ll lr
Examples of LL(1), LR(1), LR(0), LALR(1) grammars?

Is there a good resource online with a collection of grammars for some of the major parsing algorithms (LL(1), LR(1), …

parsing grammar lalr lr ll
Difference between an LL and Recursive Descent parser?

I've recently being trying to teach myself how parsers (for languages/context-free grammars) work, and most of it seems to …

parsing grammar context-free-grammar recursive-descent ll
Why are there LR(0) parsers but not LL(0) parsers?

I've been reading on both in Wikipedia, and noticed that although LR(0) parsers exist, there's no such thing as LL(0) …

parsing compiler-construction lr ll
Algorithm for computing FIRST and FOLLOW sets for context-free grammars

I need an algorithm to computing FIRST and FOLLOW sets for a grammar. Is there a simple algorithm or simple …

parsing compiler-construction grammar ll
What advantages do LL parsers have over LR parsers?

What advantages do LL parsers have over LR parsers to warrant their relative popularity in today's parser generator tools? According …

parsing parser-generator lalr ll lr
Why can't a LL grammar be left-recursive?

In the dragon book, LL grammar is defined as follows: A grammar is LL if and only if for any …

grammar ll left-recursion
Relationship between LR(0), LL(0), LALR(1), etc?

I'm really struggling to unterstand the relationship between: LR(0) LL(0) LALR(1) SLR(1) LR(1) LL(1) I'm pretty sure LALR(1) and SLR(1) …

parsing compiler-construction ll lr
Limitations of LL vs LR parsers?

I know the basic differences of LL vs LR parsers. I also know that GLR, SLR, and LALR are all …

programming-languages parser-generator ll lr