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Topic: Interpreter pattern

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	Interpreter pattern - Wikipedia, the free encyclopedia
		In computer programming, the interpreter pattern is a particular design pattern.
		The basic idea is to implement a specialized computer language to rapidly solve a defined class of problems.
		The following Java example illustrates how a general purpose language would interpret a more specialized language, here the Reverse polish notation.
	en.wikipedia.org /wiki/Interpreter_pattern (196 words)

	Interpreter - Wikipedia, the free encyclopedia
		Interpreter (communication), a person who facilitates dialogue between parties who use different languages.
		Interpreter (computing), a program designed to run other non-executable programs directly.
		Interpreter (history), a person who acts the role of a historical character in a living museum.
	en.wikipedia.org /wiki/Interpreter (120 words)

	Interpreter
		Given a language, define a representation for its grammar along with an interpreter that uses the representation to interpret sentences in the language.
		Each concrete subclass implements interpret() by accepting (as an argument) the current state of the language stream, and adding its contribution to the problem solving process.
		The Intepreter pattern defines a grammatical representation for a language and an interpreter to interpret the grammar.
	home.earthlink.net /~huston2/dp/interpreter.html (241 words)

	Design Patterns
		The composite pattern also prescribes a coding pattern for the container's methods: when a container is called to perform an operation, it traverses through its list of composed objects and call on them to perform the same operation.
		The coding pattern prescribed by the composite pattern as described in the above is a special application of the interpreter pattern.
		The composite pattern is a pattern to express the structure of a system, while the interpreter pattern is used to express the behaviors (i.e.
	www.owlnet.rice.edu /~comp212/05-spring/lectures/06 (701 words)

	SENG 609.04 Design Patterns
		For the Interpreter pattern, the solution is one of an abstract syntax tree with the rules of the language grammar as nodes of the tree.
		According to Gamma et al., 1995, the intent of the design pattern is "Given a language, define a representation for its grammar along with an interpreter that uses the representation to interpret sentences in the language".
		The drawback of using the Interpreter pattern is that complex grammars are difficult to implement.
	sern.ucalgary.ca /courses/SENG/609.04/W98/alang/Assign8c.html (1794 words)

	Interpreter Design Pattern
		According to Gamma et al., 1995, the intent of the interpreter design pattern is "Given a language, define a representation for its grammar along with an interpreter that uses the representation to interpret sentences in the language"(Gamma et al., 1995).
		Interpreter is a behavioral pattern in that it deals with the behavior of a program in solving a problem.
		The Interpreter class simply creates an expression out of the string it is given, finds the result (using the other classes in the interpreter), and returns the result as an int.
	pages.cpsc.ucalgary.ca /~nik/seng443/index2.htm (2009 words)

	The User-Defined Product Framework
		Moreover, part of the Interpreter pattern is a "context", which is an object that is an argument to the "interpret" method that is created at the start of interpretation and that participates in every aspect of it.
		This is the Interpreter pattern, which lets us represent a language as a class hierarchy, and a statement in that language as a tree of objects.
		According to the Interpreter pattern, the Rule hierarchy corresponds to the grammar that is being interpreted.
	st-www.cs.uiuc.edu /users/johnson/papers/udp/UDP.html (5740 words)

	[No title]
		The Interpreter design pattern is usually described in terms of interpreting grammars.
		The Interpreter pattern is very useful for adding functionality to Composite pattern structures.
		The Intepreter pattern requires an abstract method at the top level of the composite structure that is used by the component's client to process the entire structure.
	www.exciton.cs.rice.edu /JavaResources/DesignPatterns/intepreter.htm (156 words)

	Interpreter
		Use the Interpreter pattern when there is a language to interpret, and you can represent statements in the language as abstract syntax trees.
		The Interpreter pattern should be reserved for those cases in which you want to think of the class hierarchy as defining a language.
		Composite: The abstract syntax tree is an instance of the Composite pattern.
	www.cs.unb.ca /profs/wdu/cs4015w02/ch5c.htm (925 words)

	JAVA DESIGN PATTERNS, Behavioral Patterns - Interpreter Pattern
		The Interpreter Pattern defines a grammatical representation for a language and an interpreter to interpret the grammar.
		Also, care should be taken to make the interpreter as flexible as possible, so that the implementation can be changed at later stages without having tight coupling.
		Other advantage of Interpreter is that you can have more than one interpreter for the same output and create the object of interpreter based on the input.
	www.allapplabs.com /java_design_patterns/interpreter_pattern.htm (491 words)

	User Interface Validator Pattern
		The intent of Interpreter is "Given a language, define a represention for its grammar along with an interpreter that uses the representation to interpret sentences in the language.".
		I agree that this is not a new pattern.
		The point of this pattern, its generativity, its patterness, is that the code logic is treated as data, decoupled from the main processing logic, and even highly-decoupled within itself.
	www.theserverside.com /patterns/thread.tss?thread_id=11947 (5432 words)

	Dr. Dobb's \| C++ Expression Templates \| May 14, 2003
		The Interpreter pattern provides a way to represent a language in the form of an abstract syntax tree and an interpreter that uses the syntax tree to interpret language constructs.
		In this case, the goal is to use the Interpreter pattern’s syntax tree to represent arithmetic expressions such as (a+1)* c or log(abs(x-N)).
		The classic object-oriented technique for implementing the Interpreter pattern, as it is suggested in the GOF book, involves the classes shown in Figure 2.
	www.ddj.com /dept/cpp/184401627 (3380 words)

	interpreter (Site not responding. Last check: 2007-11-07)
		Information about the interpreting and translation professions, types of interpreting, and ways of selecting appropriate interpreters and technical translators for your needs.
		Interpreter is let down just a little bit by its at times silly...
		SQL Interpreter and Tutorial with Live Practice Database SQL Interpreter and Tutorial with Live Practice Database The Structured Query Language (SQL) "is the standard language for relational database management systems." A programmer building...
	www.hungariansite.info /voiceover/interpreter.html (492 words)

	Interpreter Design Pattern in C# and VB.NET (Site not responding. Last check: 2007-11-07)
		Interpret typically calls itself recursively on the variables representing R1 through Rn.
		code demonstrates the Interpreter patterns, which using a defined grammer, provides the interpreter that processes parsed statements.
		code demonstrates the Interpreter pattern which is used to convert a Roman numeral to a decimal.
	www.dofactory.com /Patterns/PatternInterpreter.aspx#_self1 (254 words)

	Pattern: Component Interpreter (Site not responding. Last check: 2007-11-07)
		The code that interprets script commands is separated from the code that implements the functionality of the component.
		The binary API between the component and the Component Interpreter can be exposed to other components and used for Configuration Scripting.
		A Component Interpreter is an Adaptor between the interface expected by the scripting language and the binary interface exposed by the component.
	www-dse.doc.ic.ac.uk /~np2/patterns/scripting/component-interp.html (338 words)

	Towers of Hanoi (Site not responding. Last check: 2007-11-07)
		Once the language is mapped to a grammar, and the grammar is implemented with an interpretation engine; then problems in the domain can be solved by simply feeding them to the engine.
		The Interpreter pattern (reference 2) prescribes: define a domain language as a simple grammar, represent the grammar rules as a network of objects, and feed problem statements to the resulting interpretation machine.
		In fact, comparing the reference design class diagrams for the Interpreter and Composite patterns in figures 5 and 6, it is apparent that the Interpreter pattern is a thin veneer on top of the Composite pattern.
	home.earthlink.net /~huston2/ps/hanoi_article.html (1323 words)

	The Interpreter Pattern (Site not responding. Last check: 2007-11-07)
		This is because the Java stream library is complicated and this is because Java programs must be able to cope with any character encoding scheme on the host machine.
		Follow the interp.html or interp.doc links on http://www.mathcs.sjsu.edu/faculty/pearce/patterns.html for details about this pattern.
		An interpreter is an object that provides a controlLoop() method that perpetually prompts the user for a command, executes the command, then prints the result.
	www.mathcs.sjsu.edu /faculty/pearce/java1/interp/Interp.html (209 words)

	Tiling Design Patterns - A Case Study Using the Interpreter Pattern / OOPSLA'97 / David H. Lorenz
		This paper explains how patterns can be used to describe the implementation of other patterns.
		This is a fundamental reflexive relationship in pattern relationships.
		Several pattern tilings for the Interpreter design pattern are illustrated.
	www.ccs.neu.edu /home/lorenz/papers/oopsla97 (133 words)

	OOP Programming Assignment #4: Interpreter Pattern
		If a particular kind of problem occurs often enough, then it might be worthwhile to express instances of the problem as sentences in a simple language.
		Regular expressions are a standard language for specifying patterns of strings.
		Rather than building custom algorithms to match each pattern against strings, search algorithms could interpret a regular expression that specifies a set of strings to match.
	www.cs.technion.ac.il /~david/236703/1998a/ex4.html (601 words)

	[No title]
		driver loop in query interpreter qeval query interpreter driver loop query interpreter evaluator query interpreter Lisp interpreter vs.
		append-delayed assoc print-stream-elements-on- separate-lines query interpreter compound query unique (query language) block structure in query language environment renaming vs.
		query interpreter compound query query interpreter compound query query interpreter environment structure in query interpreter Lisp interpreter vs.
	web.mit.edu /auroraz/Public/index4-1.txt (637 words)

	interpreter (Site not responding. Last check: 2007-11-07)
		We know that your time is valuable, so we offer all sign language interpreting services under one roof.
		ASL Interpreter Network is an interpreter referral agency serving the...
		Nicole Kidman, an interpreter, alone in the UN, which is shut for...
	www.belarusiancentral.info /translation-dictionary/interpreter.html (516 words)

	The C++ Interpreter Pattern for Grammar Management > Whats in a Grammar? (Site not responding. Last check: 2007-11-07)
		This all sounds rather abstract and remote, but the key point is that simple grammars will increasingly be used to achieve rule-driven IT scenarios.
		In this article, I describe how a simple grammar can be modeled using the interpreter design pattern.
		Listing 1 illustrates a classic use of the interpreter design pattern to implement a simple Boolean grammar.
	www.informit.com /articles/article.asp?p=467371 (407 words)

	The Interpreter Design Pattern, written in Eiffel
		In this exercise I have written the Implementation, Sample Code and Notes sections of the Interpreter design pattern, with the example written in Eiffel.
		This example illustrates an important point about the Interpreter pattern: many kinds of operations can "interpret" a sentence.
		A mechanism should be added to allow the client to verify that all variables used in an expression are indeed assigned to the context, and report the ones that are not.
	www.cs.technion.ac.il /~david/236700/1997b/patterns/interpreter1 (756 words)

	[No title] (Site not responding. Last check: 2007-11-07)
		Aim of this exercise is to familiarize yourself with the following pattern:
		Write a client program that first builds an AST and then interprets its meaning in terms of a given Context object.
		Write a JUnit test class that tests the class hierary, i.e., the construction of an AST, and then its interpretation relative to a givenContext object.
	www.cs.bu.edu /faculty/kfoury/CS511-Spring05/hw10/hw10-05.htm (148 words)

	Linda Rising - Patterns Almanac - Flexible Command Interpreter: A Pattern for an Extensible and Language-Independent ... (Site not responding. Last check: 2007-11-07)
		Flexible Command Interpreter: A Pattern for an Extensible and Language-Independent Interpreter System
		Summary: An architecture for an interpreter system that allows for flexible extension of the command language's scope and independence from the actual grammar of the language.
		An architecture for an interpreter system that allows for flexible extension of the command language's scope and independence from the actual grammar of the language.
	www.cix.co.uk /~smallmemory/almanac/Portner95.html (99 words)

	interpreter (Site not responding. Last check: 2007-11-07)
		My name is Rick Zingale and I'm a "Double A" conference interpreter (English "" Spanish) based out of Spain.
		was interested in seeing The Interpreter since it looked like a good...
		THE INTERPRETER reviews from the nation's top critics and audiences.
	www.realbangla.info /localization/interpreter.html (416 words)

	The C++ Interpreter Pattern for Grammar Management - OSNews.com
		The C++ Interpreter Pattern for Grammar Management - OSNews.com
		In this article, Stephen Morris shows you how to use the interpreter design pattern to create a simple C++ grammar, which can be extended to produce surprisingly powerful capabilities.
		Reproduction of OSNews stories is granted only by explicitly receiving authorization from OSNews and if credit is given to OSNews.
	osnews.com /story.php?news_id=14609 (141 words)

	Re: About Interpreter Pattern - MSDN Forums
		Thread Starter: Doga Oztuzun Started: 08 Jun 2005 11:33 AM UTC Replies: 1
		MSDN Forums » Visual Studio Team System » Visual Studio Team System - Architects » Re: About Interpreter Pattern
		Do you use Interpereter Pattern (GOF) in your project...
	forums.microsoft.com /msdn/showpost.aspx?postid=16990&siteid=1 (187 words)

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