'Abstract syntax trees' diaporamas de présentation

Large-Scale Copy Detection

Large-Scale Copy Detection. Xin Luna Dong Divesh Srivastava. Outline. Motivation Why does copy detection matter? Examples of copying, not copying Copy detection In documents In software In databases Summary. Why Does Copy Detection Matter? . Protecting rights of data providers.

1.28k views • 110 slides

Code Generation

Code Generation. Mooly Sagiv html://www.cs.tau.ac.il/~msagiv/courses/wcc06.html. Chapter 4. Tentative Course Schedule. Basic Compiler Phases. Code Generation. Transform the AST into machine code Several phases Many IRs exist Machine instructions can be described by tree patterns

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CS51: The Substitution Model

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Intermediate Representations (Irs Chapter 4)

Intermediate Representations (Irs Chapter 4). Mooly Sagiv Schrierber 313 03-640-7606 http://www.math.tau.ac.il/~sagiv/courses/acd.html. Outline. Issues in IR design High-Level IRs Medium-Level IRs Low-Level IRs Multi-Level IRs MIR, HIR, and LIR ICAN Representations Other IRs

966 views • 69 slides

Syntax and Backus Naur Form

Syntax and Backus Naur Form. How BNF and EBNF describe the grammar of a language. Parse trees, abstract syntax trees, and alternatives to BNF. BNF learning goals. Know the syntax of BNF and EBNF Be able to read and write BNF/EBNF rules Understand...

2.83k views • 58 slides

Compiler design

Compiler design. Text Book: Compilers: principles, theory, and techniques by Aho, Sethi, and Ullman. Topics: Compiler phases Lexical analysis Syntax analysis Code generation Home work: there will be two major programming assignments. They must be done independently.

3.15k views • 50 slides

From Patterns to Programming Languages

From Patterns to Programming Languages. Matthias Felleisen Northeastern University. Background and Experience . Theory of PL Expressiveness PLT Scheme (IDE, tools, Scheme) 200 Kloc Scheme, 200Kloc C++ (inh) 400 downloads/day for last year 94/95: design patterns use in implementation

556 views • 44 slides

549 views • 42 slides

....and other creepy things from John Vlissides

....and other creepy things from John Vlissides. The Visitor Pattern EXISTS!. And its INTENT is to represent an operation to be performed on the elements of an object structure. . How?.

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Chapter 2. Design of a Simple Compiler

Chapter 2. Design of a Simple Compiler. J. H. Wang Sep. 20, 2011. Outline. An Informal Definition of the ac Language Formal Definition of ac Phases of a Simple compiler Scanning Parsing Abstract Syntax Trees Semantic Analysis Code Generation. Introduction.

642 views • 37 slides

Components of Interchange Formats (Metaschemas and Typed Graphs)

Components of Interchange Formats (Metaschemas and Typed Graphs). Andreas Winter. presented by. Included Papers. M. van den Brand, H. de Jong, P. Olivier: A Common Exchange Format for Reengineering Tools based on ATerms

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CSE 331 Software Design & Implementation

CSE 331 Software Design & Implementation. Dan Grossman Winter 2014 Design Patterns, Part 2 ( Based on slides by Mike Ernst, David Notkin , Hal Perkins). Outline. Introduction to design patterns Creational patterns (constructing objects) Structural patterns (controlling heap layout)

487 views • 32 slides

Programming Languages and Compilers (CS 421)

Programming Languages and Compilers (CS 421). Elsa L Gunter 2112 SC, UIUC http://www.cs.uiuc.edu/class/fa06/cs421/. Based in part on slides by Mattox Beckman, as updated by Vikram Adve and Gul Agha. Where We Are Going. We want to turn strings (code) into computer instructions Done in phases

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Claus Brabrand (ITU Copenhagen) & Jakob G. Thomsen (Aarhus University)

Typed and Unambiguous Pattern Matching on Strings using R egular Expressions. Claus Brabrand (ITU Copenhagen) & Jakob G. Thomsen (Aarhus University). PPDP 2010. [http ://xkcd.com/208 /]. Introduction & Motivation. Parsing dynamic input is an ubiquitous problem URLs : Log Files :

388 views • 30 slides

Claus Brabrand (ITU Copenhagen) & Jakob G. Thomsen (Aarhus University)

Typed and Unambiguous Pattern Matching on Strings using Regular Expressions. Claus Brabrand (ITU Copenhagen) & Jakob G. Thomsen (Aarhus University). DANSAS 2010 (In proc. of PPDP 2010). [http://xkcd.com/208/]. Main Message. For regular expressions : Pattern matching

338 views • 25 slides

Programming Languages 2nd edition Tucker and Noonan

Programming Languages 2nd edition Tucker and Noonan. Chapter 2 Syntax A language that is simple to parse for the compiler is also simple to parse for the human programmer. N. Wirth. Contents. 2.1 Grammars 2.1.1 Backus-Naur Form 2.1.2 Derivations 2.1.3 Parse Trees

278 views • 18 slides

Duplicate code detection using Clone Digger

Duplicate code detection using Clone Digger. Peter Bulychev Lomonosov Moscow State University CS department. Outline. Theoretic part Clone detection problem in general The theory behind the tool Practical part

664 views • 16 slides

Programming Languages 2nd edition Tucker and Noonan

Programming Languages 2nd edition Tucker and Noonan. Chapter 2 Syntax A language that is simple to parse for the compiler is also simple to parse for the human programmer. N. Wirth. Contents. 2.1 Grammars 2.1.1 Backus-Naur Form 2.1.2 Derivations 2.1.3 Parse Trees

329 views • 16 slides

Programming Languages 2nd edition Tucker and Noonan

Programming Languages 2nd edition Tucker and Noonan. Chapter 2 Syntax A language that is simple to parse for the compiler is also simple to parse for the human programmer. N. Wirth. Contents. 2.1 Grammars 2.1.1 Backus-Naur Form 2.1.2 Derivations 2.1.3 Parse Trees

274 views • 16 slides

Section 7

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