Explain the drawback of top down parsing of backtracking, Computer Engineering

Assignment Help:

Write down the drawback of top down parsing of backtracking.

Following are disadvantages of top down parsing of backtracking:

(i) Semantic actions can't be performed whereas making a prediction. The actions should be delayed till the prediction is identified to be a part of a successful parse.

(ii) Precise error reporting is impossible. A mismatch only triggers backtracking. A source string is identified to be erroneous just after all predictions have failed.


Related Discussions:- Explain the drawback of top down parsing of backtracking

Difference between finite automata and turing machine, What are the differe...

What are the difference between finite automata and Turing Machines?  Turing machine can alter symbols on its tape, while the FA cannot change symbols on tape.  Also  TM  has  a

Grapgh, representation of the adjacency matrix and adjacency list

representation of the adjacency matrix and adjacency list

Illustrate the term EDI trading patterns, Illustrate the term EDI Trading P...

Illustrate the term EDI Trading Patterns? EDI Trading Patterns are illustrated below: a. Hubs and Spokes: Several of the prime movers into the adoption of Electronic Da

Cache simulater, Requirements You are required to program (in a high l...

Requirements You are required to program (in a high level language such as C, C++, Java) and implement a cache simulator which will have the following inputs and outputs:-

What is the dissimilarity between dynamic strain aging, Q. What is the diss...

Q. What is the dissimilarity between dynamic strain aging and strain aging? Answer:- Strain aging could be explains as "normal wear and tear" or the fatigue that is experi

Give an account of issue pertaining in c language, Give an account of the i...

Give an account of the issue pertaining to compilation of if statement in C language Control structures as if cause significant gap in between the PL domain and the execution d

How can a parent and child process communicate, How can a parent and child ...

How can a parent and child process communicate? A parent and child can communicate by any of the normal inter-process communication schemes (pipes, sockets, message queues, sha

State the hardware faults and softwate faults, State the hardware faults an...

State the hardware faults and softwate faults - protection against hardware faults could be to keep backups or use GFS; use of UPS (in case of power loss) and parallel system a

Define bootstrap loader, Define bootstrap loader? The ROM portion of ma...

Define bootstrap loader? The ROM portion of main memory is required for storing an initial program known as bootstrap loader. It is a program whose function is to start the com

The void type is used for, The void type is used for  The void type is ...

The void type is used for  The void type is used to make generic pointers.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd