Compiler Design

  1. Lexical Analysis
    1. Lexical Analyzer Design
      1. Role in Compilation Process
        1. Interface with Parser
          1. Token Stream Generation
            1. Error Handling Responsibilities
            2. Lexical Elements
              1. Tokens
                1. Patterns
                  1. Lexemes
                    1. Token Attributes
                      1. Token Classification
                      2. Input Processing
                        1. Input Buffering Schemes
                          1. Buffer Pairs
                            1. Sentinels
                              1. Lookahead Mechanisms
                                1. Character Encoding Issues
                                2. Token Specification
                                  1. Regular Expression Patterns
                                    1. Keyword Recognition
                                      1. Identifier Patterns
                                        1. Numeric Literals
                                          1. String Literals
                                            1. Operators and Delimiters
                                              1. Comments and Whitespace
                                              2. Token Recognition Implementation
                                                1. Transition Diagrams
                                                  1. Finite Automata Implementation
                                                    1. Direct Coding Approaches
                                                      1. Table-Driven Approaches
                                                      2. Lexical Analyzer Generators
                                                        1. Lex Tool
                                                          1. Flex Tool
                                                            1. Specification Syntax
                                                              1. Action Code Integration
                                                                1. Generated Code Structure
                                                                2. Advanced Lexical Issues
                                                                  1. Reserved Word Handling
                                                                    1. Case Sensitivity
                                                                      1. Nested Comments
                                                                        1. String Escape Sequences
                                                                          1. Macro Expansion
                                                                          2. Error Handling in Lexical Analysis
                                                                            1. Error Detection Strategies
                                                                              1. Error Recovery Techniques
                                                                                1. Error Reporting Mechanisms
                                                                                  1. Invalid Character Handling

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                                                                                3. Formal Language Theory

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                                                                                5. Syntax Analysis