'Bnf' diaporamas de présentation

821 views • 82 slides

825 views • 82 slides

Defining Program Syntax Chapter 3

Defining Program Syntax Chapter 3. Defining a Programming Language. Defining a programming language requires specifying its syntax and its semantics . Syntax: The form or structure of the expressions, statements, and program units. Example: if (<exp>) then <statement> Semantics:

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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 ?????????.

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??????? 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 ?????????.

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Top-Down Parsing using Regular Expressions

Top-Down Parsing using Regular Expressions. A seminar by Brian Westphal. Questions and comments. Please feel free to interrupt at any time throughout this presentation to make comments and ask questions.

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CS 2104 Prog. Lang. Concepts

CS 2104 Prog. Lang. Concepts. Dr. Abhik Roychoudhury School of Computing Introduction. Learning Objectives. Familiarity with the key concepts underlying modern programming languages. Highlight the similarities and differences between various programming paradigms.

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Overview of Language Model Classes and Release Progress

min. Overview of Language Model Classes and Release Progress. XML. ABNF. IHD. BNF. JSGF. BNF. Daniel May Intelligent Electronic Systems Human and Systems Engineering Department of Electrical and Computer Engineering. Overview. Language Model Classes

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CPS 506 Comparative Programming Languages

CPS 506 Comparative Programming Languages. Syntax Specification. Compiling Process Steps. Program ? Lexical Analysis Convert characters into a stream of tokens Lexical Analysis ? Syntactic Analysis Send tokens to develop an abstract representation or parse tree. 2.

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Sproghistorie

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Syntax versus Semantics

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Course Overview

Course Overview. PART I: overview material 1 Introduction 2 Language processors (tombstone diagrams, bootstrapping) 3 Architecture of a compiler PART II: inside a compiler 4 Syntax analysis 5 Contextual analysis 6 Runtime organization 7 Code generation PART III: conclusion

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Chpater 3

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Miscellaneous Topics

Deque Recursion and Grammars. Miscellaneous Topics. Other Data Structures. Deque - a double-ended queue Balanced Trees There are several ADTs for trees that keep the tree balanced at all times. Deque. A deque is a double-ended queue

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A Unified Langauge Model Architecture for Web-based Speech Recognition Grammars

A Unified Langauge Model Architecture for Web-based Speech Recognition Grammars. XML. ABNF. IHD. BNF. JSGF. BNF. Wesley Holland, Daniel May, Julie Baca, Georgios Lazarou, Joseph Picone Center for Advanced Vehicular Systems Mississippi State University. Speech Recognition. Acoustic Model

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Language Model Grammar Conversion

Language Model Grammar Conversion. XML. ABNF. IHD. BNF. JSGF. BNF. Wesley Holland, Julie Baca, Dhruva Duncan, Joseph Picone Center for Advanced Vehicular Systems Mississippi State University. Speech Recognition. Acoustic Model Maps audio data to words or phonemes Language Model

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Language Model Grammar Conversion

Language Model Grammar Conversion. XML. ABNF. IHD. BNF. JSGF. BNF. Wesley Holland, Julie Baca, Dhruva Duncan, Joseph Picone Center for Advanced Vehicular Systems Mississippi State University. Speech Recognition. Acoustic Model Maps audio data to words or phonemes Language Model

120 views • 11 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)

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Context Free Grammars and BNF

Context Free Grammars and BNF. In context free grammars (CFGs), structures are independent of the other structures surrounding them Backus-Naur form (BNF) notation describes CFGs Symbols are either tokens or nonterminal symbols

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