In this lecture, we explore LEX and YACC, their syntax, and how they work together to build a Scientific Calculator. This is Part 1 of the series, where we cover the basics of LEX and YACC with examples.
🔹 What You’ll Learn:
✅ Introduction to LEX and YACC
🔸 Understanding Lexical Analysis (LEX) and Syntax Analysis (YACC).
🔸 Why LEX is used for tokenizing and YACC for parsing expressions.
✅ Basics of LEX & Its Syntax
🔸 How LEX is used to define tokens for numbers, operators, and identifiers.
🔸 Writing LEX rules for recognizing different inputs.
✅ Basics of YACC & Its Syntax
🔸 How YACC is used for parsing arithmetic expressions.
🔸 Writing grammar rules to process different operations.
✅ Building a Scientific Calculator with LEX & YACC
🔸 Defining tokens, grammar, and syntax rules.
🔸 Generating and executing the compiled calculator program.
✅ Example Walkthrough:
🔸 A simple example showing how LEX and YACC work together.
✅ Final Conclusion:
🔸 Understanding how LEX and YACC can be used to develop compilers, calculators, and interpreters.
📌 This video is perfect for students learning Compiler Design, Lexical & Syntax Analysis, and LEX-YACC Programming.
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Please do watch following video for better understanding of Scientific Calculator using LEX and YACC program explanation and execution.
1. Scientific Calculator using LEX and YACC:
Part 2 : • Scientific Calculator using LEX and YACC:P...
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