Overview

Course Objectives: Introduce the major concepts of language translation and compiler design and impart the knowledge of practical skills necessary for constructing a compiler. Topics include phases of compiler, parsing, syntax directed translation, type checking use of symbol tables, code optimization techniques, intermediate code generation, code generation and data flow analysis. Course Outcomes: Demonstrate the ability to design a compiler given a set of language features. Demonstrate the the knowledge of patterns, tokens & regular expressions for lexical analysis. Acquire skills in using lex tool & yacc tool for developing a scanner and parser. Design and implement LL and LR parsers Design algorithms to do code optimization in order to improve the performance of a program in terms of space and time complexity. Design algorithms to generate machine code. SYLLABUS: Module- I:Introduction: The structure of a compiler, the science of building a compiler, programming language basics.Lexical Analysis: The Role of the Lexical Analyzer, Input Buffering, Recognition of Tokens, The Lexical-Analyzer Generator Lex, Finite Automata, From Regular Expressions to Automata, Design of a Lexical-Analyzer Generator, Optimization of DFA-Based Pattern Matchers. Module- II:Syntax Analysis: Introduction, Context-Free Grammars, Writing a Grammar.Top-Down Parsing, Bottom-Up Parsing.Introduction to LR Parsing: Simple LR, More Powerful LR Parsers, Using Ambiguous Grammars and Parser Generators. Module- III: Syntax-Directed Translation: Syntax-Directed Definitions, Evaluation Orders for SDD's, Applications of Syntax-Directed Translation, Syntax-Directed Translation Schemes, Implementing L-Attributed SDD's.Intermediate-Code Generation: Variants of Syntax Trees, Three-Address Code, Types and Declarations, Type Checking, Control Flow, Switch-Statements, Intermediate Code for Procedures. Module- IV: Run-Time Environments: Stack Allocation of Space, Access to Non-local Data on the Stack, Heap Management, Introduction to Garbage Collection, Introduction to Trace-Based Collection. Code Generation: Issues in the Design of a Code Generator, The Target Language, Addresses in the Target Code, Basic Blocks and Flow Graphs, Optimization of Basic Blocks, A Simple Code Generator, Peephole Optimization, Register Allocation and Assignment, Dynamic Programming Code-Generation. Module- V: Machine-Independent Optimization: The Principal Sources of Optimization, Introduction to Data-Flow Analysis, Foundations of Data-Flow Analysis, Constant Propagation, Partial-Redundancy Elimination, Loops in Flow Graphs. Reference: Compilers: Principles, Techniques and Tools, Second Edition, Alfred V. Aho, Monica S. Lam, Ravi Sethi, Jeffry D. Ullman.

Skills

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