Python Compiler
Lexer · Parser · Semantic · Symbol Table
Farah • Mahnoor • Zaynab
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Compiler Phases
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Lexical Analysis
Syntax Analysis
Semantic Analysis
Symbol Table
File
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Examples
— Load example —
Hello World
Variables & Types
Arithmetic
if / elif / else
While Loop
For Loop
Function Definition
List Operations
Undefined Variable Error
Syntax Analysis
Verify grammar rules using recursive descent parsing
Phase 2
Source Code
source.py
Ln 1, Col 1
Run Parser
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Write or load source code on the left, then click
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to check grammar rules.