Explain yet another compiler-compiler, Computer Engineering

Assignment Help:

Explain Yet another Compiler-Compiler.

YACC uses for "Yet another Compiler-Compiler": Computer program input usually has some structure; actually, all computer programs which does input can be thought of as defining an "input language" which this accepts. An input language may be as complex as a programming language or as easy as a sequence of numbers. Unfortunately, common input facilities are restricted, difficult to utilize, and often are lax about checking their inputs for validity.
YACC gives a general tool for explaining the input to a computer program. The YACC user gives the structures of his input, together along with code to be invoked as each such structure is knows. YACC turns such a specification into a subroutine which handles the input process; frequently, this is appropriate and convenient to have most of the flow of control in the user's application handled through this subroutine. The output from YACC is LALR parser for the input programming laughing.


Related Discussions:- Explain yet another compiler-compiler

Explain both absolute addressing and implied addressing, Absolute addressin...

Absolute addressing and  Implied addressing A fixed address is specified and also called as direct addressing. The location of data is implied by instruction itself, so no

Explain cell spacing and cell padding, Q. Explain Cell Spacing and Cell Pad...

Q. Explain Cell Spacing and Cell Padding? Couple of attributes known as CELLSPACING and CELLPADDING. Both are part of tag. CELLPADDING is the amount of space between

Systems analyst in modern business, Many medium-to-large information servic...

Many medium-to-large information services units for modern business have reorganized to be decentralized with an emphasis on dynamic teams andempowerment. In modern business system

Explain deadlock, What is a deadlock? A deadlock is a situation that ca...

What is a deadlock? A deadlock is a situation that can increase when two units, A and B use a shared resource. Assume that unit B cannot complete its task unless unit A complet

Reduced instruction set computer architecture, The goal of computer archite...

The goal of computer architects is to design computers that are cheaper and more powerful than their predecessors. A cheaper computer has: Low hardware manufacturing cost.

State in brief about third generation electronic computers, Third Generatio...

Third Generation (1963-1972) The third generation introduced huge gains in computational power. Innovations in this time include use of integrated circuits or ICs (semiconducto

What is pbo and pai events, What is PBO and PAI events? PBO- Process...

What is PBO and PAI events? PBO- Process before Output-It verifies the flow logic before displaying the screen. PAI- Process after Input-It verifies the flowlogic after

Incorporating vbscript into htmlpage, To add scripts into your Web pages ta...

To add scripts into your Web pages tag is used. The tag signifies the start of the script section, whereas marks the end. An example of this is d

Explain the memory transfer process, Q. Explain the Memory Transfer process...

Q. Explain the Memory Transfer process? Memory Transfer Transfer of information from memory to outside world which implies I/O Interface is known as a read operation. Tra

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