Phases of a Compiler
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This document discusses the different stages of the compiler process. It involves breaking source code down through lexical analysis, syntax analysis, semantic analysis, code generation, and optimization to produce efficient machine-readable target code. Key steps include preprocessing, compiling, assembling, linking, and loading to translate human-readable source code into an executable program.
Phases of a Compiler
- 1. Tell me and I’ll forget; show me and I may remember; involve me and I’ll understand
- 2. Preprocessor Compiler Assembler Loader/Link Editor Raw Code Modified Source Program Target Assembly Program Re locatable Machine Code Target Code Lexical Analyzer Syntax Analyzer Semantic Analyzer Intermediate Code Generator Machine Independent Code Optimizer Code Generator Machine Dependent Code Optimizer
- 3. Symbol Table Lexical Analyzer Syntax Analyzer Semantic Analyzer Intermediate Code Generator Machine Independent Code Optimizer Code Generator Machine Dependent Code Optimizer Error Handle Character Stream Token Stream Syntax Tree Syntax Tree Intermediate Representation Intermediate Representation Target Machine Code Target Machine Code