The document discusses the phases of a compiler and how a program is processed. It explains that a source program goes through multiple phases including lexical analysis, syntax analysis, semantic analysis, intermediate code generation, optimization, and code generation to produce target machine code. The compiler performs analysis and synthesis to process the source code in 6 main phases and generate executable code from the input source code.

2.  Submitted by:
 Name : Zahidul Islam Razu
 ID: 011 132 047
 Section : B
 Submitted to – Md.Nasim, Instructor , United
International University

3. compiler
Source
code
Compiler
Target
program

4. Processing programs
 How a program is processed ?
Source program
Updated Source
Program
Compiler
Assembler
Relocated
Machine Code
Target machine
code

5. Phases of compiler
 How many phases of compiler?

6. Lexical Analysis
Source
program
Lexical
analysis
Token

7. Syntax Analysis
Token
Syntax
analysis
Parse/syntax
tree

8. Semantic Analysis
Syntax tree
Semantic
analysis
Updated
Syntax tree

9. Intermediate Code Generation
Updated
Syntax tree
Intermediate
Code
Generation
Intermediate
Code

10. Code generation
Optimized
Code
generation
Code
Generation
Assembly
Code

11. Optimization
Intermediate
code
Intermediate
Code
generation
Optimized
Intermediate
code

12. Classification of compiler
Analysis
part
Synthesis
Part
Whole
phase of
compiler

13. Any questions?
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