Compiler Design /Construction | Module 5: Applications of Semantic Analysis by Prakhar Chauhan | Learn Smarter
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Academics
Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Professional Courses
Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.

games
Module 5: Applications of Semantic Analysis

Semantic Analysis extends beyond basic syntactical validation to validate the logical consistency of programs through a comprehensive check of their meaning. It is integral to the compilation process, employing Syntax-Directed Translation Schemes to manage declarations and type correctness, ultimately translating to an initial intermediate representation known as three-address code.

Sections

  • 1

    The Role Of Semantic Analysis: Beyond Just Grammar

    This section explores the importance of semantic analysis in programming languages, emphasizing its role in ensuring code validity beyond grammatical correctness.

  • 1.1

    Why Semantic Analysis Is Indispensable

    Semantic Analysis is crucial in programming to ensure that code not only follows grammatical rules but also adheres to logical and contextual rules, thus identifying errors that syntax checks cannot catch.

  • 1.2

    Core Operations Of Semantic Analysis

    Semantic Analysis plays a crucial role in programming by ensuring that code is not only syntactically correct but also logically sound and adheres to the rules of the programming language.

  • 1.3

    Syntax-Directed Translation (Sdt): The Semantic Engine

    This section explores the role of Syntax-Directed Translation (SDT) in the semantic analysis phase of compilers, focusing on how it integrates semantic processing with syntax analysis.

  • 2

    Applications Of Sdts: (A) Declaration Processing And Type Checking

    This section explores how Syntax-Directed Translation Schemes (SDTS) aid in declaration processing and type checking within the semantic analysis phase of a compiler.

  • 2.1

    Declaration Processing And The Symbol Table

    This section covers the significance of declaration processing and the symbol table in semantic analysis, highlighting how they facilitate the understanding and validation of program identifiers.

  • 2.2

    Type Checking - The Logic Of Operations

    Type checking is the process of verifying operations in a program to ensure data types are compatible, helping to maintain correctness and safety.

  • 3

    Applications Of Sdts: (B) Generating Three-Address Code

    This section discusses the generation of Three-Address Code (TAC) as an intermediate representation in the compilation process.

  • 3.1

    Intermediate Representations (Ir) - The Compiler's Internal Language

    This section introduces Intermediate Representations (IR) in compiler design, focusing on their role as an abstract form of programs for machine independence and optimization.

  • 3.2

    Three-Address Code (Tac) - Simplified Instruction Set

    Three-Address Code (TAC) is an intermediate representation that simplifies complex expressions into sequential instructions, enhancing code generation and optimization.

  • 3.3

    Generating Three-Address Code Using Sdts

    This section focuses on the generation of Three-Address Code (TAC) using Syntax-Directed Translation Schemes (SDTS) in the compiler's intermediate representation.

Class Notes

Memorization

What we have learnt

  • Semantic Analysis ensures t...
  • Core functionalities includ...
  • Three-Address Code provides...

Final Test

Revision Tests