Lexical Errors in Lexical Analyzer | Error Recovery Techniques | Compiler Design скачать в хорошем качестве

Lexical Errors in Lexical Analyzer | Error Recovery Techniques | Compiler Design

In this video, we explore Lexical Errors in a Lexical Analyzer, discussing common errors, their causes, and various error recovery techniques used in Compiler Design. 🔹 What You’ll Learn: ✅ What are Lexical Errors? 🔸 Introduction to Lexical Analysis in Compiler Design. 🔸 Types of errors that occur during lexical analysis. ✅ Common Causes of Lexical Errors: 🔸 Misspelled Keywords – Incorrectly typed programming keywords. 🔸 Illegal Characters – Using characters not recognized by the language. 🔸 Unterminated Strings – Forgetting to close quotes. 🔸 Improper Identifiers – Using reserved keywords as variable names. ✅ Error Recovery Techniques in Lexical Analysis: 🔸 Panic Mode Recovery – Ignoring successive characters until a valid token is found. 🔸 Single Character Deletion – Removing one character from input to form a valid token. 🔸 Missing Character Insertion – Adding a missing character to correct the token. 🔸 Character Replacement – Substituting an incorrect character with a correct one. 🔸 Character Transposition – Swapping two adjacent characters to correct spelling errors. ✅ Example Walkthrough of Lexical Errors & Recovery: 🔸 Step-by-step demonstration of how lexical errors occur. 🔸 Implementing error recovery strategies in lexical analysis. ✅ Final Conclusion: 🔸 How error handling in lexical analysis improves the robustness of compilers. 🔸 Encouragement to watch upcoming videos on Syntax & Semantic Errors. 📌 This video is perfect for students learning Compiler Design, Lexical Analysis, and Error Handling Techniques. 📌 Like, Share & Subscribe for More Compiler Design Tutorials! 🚀