Compiler Design AKTU Handwritten PDF Notes Download: KCS 502

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Unit-I: Introduction to Compiler

This unit introduces students to the fundamentals of compilers. Key topics covered include:

  • Phases and passes of a compiler.
  • Bootstrapping and its significance.
  • Finite state machines, regular expressions, and their applications to lexical analysis.
  • Optimization of DFA-Based Pattern Matchers.
  • Implementation of lexical analyzers.
  • Formal grammars, BNF notation, and their application to syntax analysis.
  • YACC and its role in syntactic specification.

Unit-II: Basic Parsing Techniques

Unit-II focuses on parsing techniques and automatic construction of efficient parsers. Topics include:

  • Introduction to parsers.
  • Shift-reduce parsing.
  • Operator precedence parsing.
  • Top-down parsing.
  • Predictive parsers.
  • Construction of LR parsers and parsing tables (LR(0), SLR, Canonical LR, LALR).
  • Automatic parser generator.

Unit-III: Syntax-directed Translation

This unit explores syntax-directed translation and intermediate code generation. Topics covered are:

  • Syntax-directed translation schemes.
  • Implementation of syntax-directed translators.
  • Intermediate code representation (postfix notation, parse trees, syntax trees).
  • Translation of assignment statements, boolean expressions, flow control statements.
  • Translation with a top-down parser.
  • Handling array references, procedure calls, declarations, and case statements.

Unit-IV: Symbol Tables and Run-Time Administration

Unit-IV delves into symbol tables, runtime administration, and error detection. Topics include:

  • Data structures for symbol tables.
  • Representation of scope information.
  • Implementation of simple stack allocation scheme.
  • Storage allocation in block-structured languages.
  • Error detection and recovery mechanisms for lexical, syntactic, and semantic errors.

Unit-V: Code Generation and Optimization

In this final unit, students learn about code generation and optimization techniques. Topics covered include:

  • Design issues in code generation.
  • Target language and addressing in the target code.
  • Basic blocks and flow graphs.
  • Optimization of basic blocks.
  • Code generation algorithms.
  • Machine-independent optimizations.
  • Loop optimization techniques.
  • Data-flow analysis for code optimization.

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