Lecture 21 Parser Contd

So, once you have computed the first and follow sets we can go for constructing the

So, if those are not done then I cannot make a top down

So, this LR

So, these were the four operations that a shift reduce

And if you are if you try to modify that look ahead if you want to make it l l k then the

And, in this particular case so, even if you construct one LALR

The lexical analyzer has return to the

So, if this is not there then x y z will not be there in the symbol table and when

So, we can find out some precedence rule that can that we can be the that can be used for getting an operator precedence

So, next we will be look into that recursive version of the predictive

So, this is how the input works that this

So this, so this way we can rectify the problems and the

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So our discussion will for flow in this way, first we will discuss about role of

Next, we will be doing a few exercises on working on this L R

Of course, you can you may see that this grammar can be we for this grammar we can make say LR LR 1