'Term factor' diaporamas de présentation

Chapter 3 Syntax and Semantics

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CS 363 Comparative Programming Languages

CS 363 Comparative Programming Languages. Lecture 3: Syntax & Notation. Topics. The General Problem of Describing Syntax Formal Methods of Describing Syntax Context Free Grammars, BNF Parse Trees. Introduction. Who must use language definition Language designers Implementors

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LR Parsing

LR Parsing. Compiler Baojian Hua bjhua@ustc.edu.cn. Front End. lexical analyzer. source code. tokens. abstract syntax tree. parser. semantic analyzer. IR. Parsing. The parser translates the token sequence into abstract syntax trees Token sequence: returned from the lexer

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Chapter 2: A Simple Syntax-directed Translator

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Chapter 3

Chapter 3. Describing Syntax and Semantics. Chapter 3 Topics. Introduction The General Problem of Describing Syntax Formal Methods of Describing Syntax Attribute Grammars Describing the Meanings of Programs: Dynamic Semantics. 3.1 Introduction.

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Lecture 5 Grammars

Lecture 5 Grammars. CSCE 531 Compiler Construction. Topics Moving on from Lexical Analysis Grammars Derivations CFLs Readings: 4.1. January 25, 2006. Overview. Last Time Symbol table - hash table from K&R DFA review Simulating DFA figure 3.22 NFAs

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Chapter 2 Syntax

Chapter 2 Syntax. Syntax. The syntax of a programming language specifies the structure of the language The lexical structure specifies how words can be constituted from characters The syntactic structure specifies how sentences can be constituted from words. Lexical Structure.

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Translating High Level Languages

Translating High Level Languages. Note error in assignment 1: #4 - refer to Example grammar 3.4, p. 126. Stages of translation. Lexical analysis - the lexer or scanner Syntactic analysis - the parser Code generation Linking Before Execution. Lexical analysis.

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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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CMP 339/692 Programming Languages Day 6 Thursday, February 16, 2012

CMP 339/692 Programming Languages Day 6 Thursday, February 16, 2012. Rhys Eric Rosholt. Office: Office Phone: Web Site: Email Address:. Gillet Hall - Room 304 718-960-8663 http://comet.lehman.cuny.edu/rosholt/ rhys.rosholt @ lehman.cuny.edu. Chapter 3. Describing Syntax and Semantics.

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CS 403 - Programming Languages

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Translating High Level Languages

Translating High Level Languages. Stages of translation. Lexical analysis Syntactic analysis Code generation Linking Before Execution. Lexical analysis. Translate stream of characters into lexemes Lexemes belong to categories called tokens

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Representation, Syntax, Paradigms, Types

Representation, Syntax, Paradigms, Types. Representation Formal Syntax Paradigms Data Types Type Inference. General Issues. Representation (of data, of computation) Form (Syntax) Meaning (Semantics) Paradigm (General way of thinking) Naming (names, name spaces, bindings, locality)

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Parsers and Grammar

Parsers and Grammar. Categories of Grammar Rules. Declarations or definitions . AttributeDeclaration ::= [ final ] [ static ] [ access ] datatype [ = expression ] { , datatype [ = expression ] } ; access ::= ' public ' | ' protected ' | ' private ' Statements.

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Voters and Voter Behavior

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Programming Languages: Design, Specification, and Implementation

Programming Languages: Design, Specification, and Implementation. G22.2210-001 Rob Strom September 7, 2006. Outline. Conceptual Background Requirements of Programming Languages Specification vs. Implementation Syntax, Semantics, Types, Static Analysis Language Paradigms

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X-box Factoring

X-box Factoring. Warm-Up. Please complete these individually. 1. Fill in the following X-solve problems. a. b. c. 2. Write the general form of a quadratic equation. 3. Divide using the box method.

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Programming Languages: Design, Specification, and Implementation

Programming Languages: Design, Specification, and Implementation. G22.2210-001 Rob Strom September 28, 2006. Alternative mailing address for me: robstrom@us.ibm.com Everyone should subscribe to the class mailing list: http://www.cs.nyu.edu/mailman/listinfo/g22_2110_001_fa06

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Method of Language Definition

Method of Language Definition. A Language is defined by: A: Lexical = Valid Tokens & Words B: Syntax = The GRAMMER of the Language C : Semantics = The MEANING of valid syntactical statement. Language. A: Lexical B: Syntax. Written English

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