'Backus naur form bnf' diaporamas de présentation

Syntax and Semantics

Structure of programming languages. Syntax and Semantics. Introduction. Syntax : the form or structure of the expressions, statements, and program units Semantics : the meaning of the expressions, statements, and program units. Introduction.

634 views • 58 slides

Scanner

Scanner. Grammar. Language. Recursive Definition. Mathematical Expression. Structure of Expressions. Formal Language. Backus Naur Form (BNF). 1960 by J. Backus and P. Naur. EBNF (Extended BNF). BNF ? EBNF. BNF. EBNF. Formalism (Formal notation). N. Chomsky ?????????.

782 views • 55 slides

??????? Grammar

??????? Grammar. Grammar. Language. Recursive Definition. Mathematical Expression. Structure of Expressions. Formal Language. Backus Naur Form (BNF). 1960 by J. Backus and P. Naur. EBNF (Extended BNF). BNF ? EBNF. BNF. EBNF. Formalism (Formal notation). N. Chomsky ?????????.

677 views • 55 slides

Chapter 2-b

Chapter 2-b. Syntax, Semantics. Syntax, Semantics - Definition. The syntax of a programming language is the form of its expressions, statements and programming units. The semantics is the meaning of these expressions, statements and programming units.

301 views • 22 slides

Wednesday Notecards

Wednesday Notecards. Wednesday Notecards. Wednesday Notecards. Does style matter for exam? Not unless specified on the problem! Cheat sheet for exam? Yes Is recursion useful outside of these toy examples and writing directory crawlers?

179 views • 17 slides

CSCE 330 Programming Language Structures Ch.2: Syntax and Semantics

CSCE 330 Programming Language Structures Ch.2: Syntax and Semantics. Fall 2005 Marco Valtorta mgv@cse.sc.edu. Syntax and Semantics. Syntax is the set of rules that specify the composition of programs from letters, digits and other characters.

159 views • 15 slides

Chapter 3 Language Translation Issues

Chapter 3 Language Translation Issues . Programming Languages Pratt. Programming Syntax. During the early days of language design (1960), they believed that a formal syntax is all that is required. Backus-Naur form (BNF) Context-free grammer

366 views • 9 slides

Language Model Grammar Conversion

Language Model Grammar Conversion. XML. ABNF. IHD. BNF. JSGF. BNF. Wesley Holland Intelligent Electronic Systems Human and Systems Engineering Department of Electrical and Computer Engineering. Grammar Specifications. Backus-Naur Form (BNF) Augmented BNF (ABNF)

361 views • 8 slides

Plan for Lecture

74 views • 7 slides

Syntax

Syntax. Syntax vs Semantics Backus-Naur Form Extended BNF Derivations Parse Trees. Syntax. Syntax: The grammatical form of programs. vs Semantics: The meaning of the program

76 views • 7 slides