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Home » Compiler » What is Derivations? – Compiler Design
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What is Derivations? – Compiler Design

By Dinesh Thakur

Derivation is used to find whether the string belongs to a given grammar.


Types

• Leftmost derivation.

• Rightmost derivation.

We’ll be covering the following topics in this tutorial:

  • Leftmost Derivation
  • Rightmost Derivation

Leftmost Derivation

In leftmost derivation, at each and every step the leftmost non-terminal is expanded by substituting its corresponding production to derive a string.

Example

             Leftmost Derivation

Rightmost Derivation

In rightmost derivation, at each and every step the rightmost non-terminal is expanded by substituting its corresponding production to derive a string.

Example

               Rightmost Derivation

You’ll also like:

  1. Compiler Construction tools – Compiler Design
  2. Phases of Compiler – Compiler Design
  3. LR Parsers – Compiler Design
  4. Lexical Analysis – Compiler Design
  5. Input Buffering – Compiler Design
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About Dinesh Thakur
Dinesh ThakurDinesh Thakur holds an B.C.A, MCDBA, MCSD certifications. Dinesh authors the hugely popular Computer Notes blog. Where he writes how-to guides around Computer fundamental , computer software, Computer programming, and web apps.

Dinesh Thakur is a Freelance Writer who helps different clients from all over the globe. Dinesh has written over 500+ blogs, 30+ eBooks, and 10000+ Posts for all types of clients.


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Compiler Design

Compiler Design

  • CD - Translators
  • CD - Compiler Phases
  • CD - Input Buffering
  • CD - Lexical Analysis
  • CD - Regular Expression
  • CD - LR Parsers
  • CD - Parse Tree
  • CD - Parsing Type
  • CD - Lex
  • CD - Syntax Directed Definition
  • CD - Compiler Construction tools
  • CD - Regular Expression
  • CD - Context Free Grammars
  • CD - Syntax Analysis
  • CD - Grouping of Phases
  • CD - Language Processing System
  • CD - Derivations
  • CD - Error Handling

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