Compilers

Question 1

What do compilers do?

Answer 1

They compile one programming language into another; higher to lower level programming language

Question 2

How does CLANG compiler work?

Answer 2

1. Preprocessing (Preprocessor)
2. Compilation (Compiler)
3. Assembling (Assembler)
4. Linking (Linker)

Question 3

What does the assembler do?

Answer 3

Transforms assembly into machine code

Question 4

What does linking do?

Answer 4

Links together a bunch of object files into 1 big file you can execute

Question 5

Explain briefly how a compiler works:

Answer 5

converts from language to another; from high to low

Question 6

What are the part of the compiler?

Answer 6

Lexer - splits code into tokens

Parser - recognizes patterns of language you wrote the code in - converts to AST (abstract syntax tree)

Generator - converts AST of target language - i.e. Assembly code

Question 7

Example of Koona

Answer 7

A simple compiler in Ruby:

converts Koona grammer into C