Compiler - Organization of Compiler

Character Stream (source code) 

 

Front End

-> Lexical Analyzer (scanner)

(Token stream)

-> Syntax Analyzer (parser)

(syntax tree)

-> Semantic Analyzer 

(Annotated Syntax tree)

 

 

Back End

-> Intermediate Code Generator

(intermediate representation)

-> Machine-Independent Code Optimizer

(intermediate representation)

-> Code Generator

(Target-machine Code)

->Machine-Dependent Code Optimizer