Compiler Design exam short question and answer
- What is compiler?
The compiler is a program that reads a program written in one language which is known as source language or source code and converts it into another language known as machine language is called compiler .
2) State some software tools that manipulate source program?
>> structure editors
>> pretty printers
>> static checkers
>> Interpreters
3) What are the cousins of compiler?
>> Pre — processor
>> Assembler
>> Loaders
>> Link editors
4) What are the main two parts of compilation ? what are they performing the two main parts are.
Analysis parts: It breaks up the source program into constituent pieces and create an intermediate representation of the source program.
Synthesis part : It constructs the desired target program from the intermediate representation.
5) How many phases dose analysis consists?
The analysis of source program is divided into mainly three phases. They are -
>> Linear analysis
>> Hierarchical Analysis
>> Semantic Analysis
6) What linear analysis do ?
It involves a scanner which read stream of character from left to right. It is then grouped into various tokens having collective meaning.
7) What Hierarchical Analysis do?
Based on collective meaning , the character or tokens are categorized or grouped hierarchically into nested groups.
