The multiparadigm language G

Placer, John

doi:10.1016/0096-0551(91)90009-x

Cited by 13 publications

(2 citation statements)

References 9 publications

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“…An example is the use of a comparative operator as a clause in a logic relation. In a pure sense, the logic paradigm does not support this, but a multiparadigm language like Leda or G [4] might, and it may add capability to a logic solution that otherwise would be extremely difficult. At a higher level, we may look at an object-oriented design where the methods within a class are relational or functional instead of imperative.…”

Section: Merge Pointsmentioning

confidence: 95%

Multiparadigm design of a simple relational database

Knutson¹,

Budd²,

Vidos³

2000

SIGPLAN Not.

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Multiparadigm programming languages (such as Leda) seek to merge elements of several programming paradigms into a single cohesive language that utilizes programming and conceptual aspects from various paradigms (including imperative, object-oriented, functional and logic). While there are relatively few fully multiparadigm languages, most popular languages increasingly incorporate aspects from multiple paradigms. Despite the fact that multiparadigm programming is an increasing reality, there are few methods for multiparadigm design. This paper uses Leda to explore multiparadigm program design via a simple database example. This paper is exploratory in nature, and exposes areas that should be researched further.The preeminent programming paradigm has historically been imperative. As high-level imperative programming languages (such as Fortran, Cobol, and C) gained popularity, design and analysis methods grew to match them. These methods provide a framework for reducing a problem into its composite parts. They also tend to match the underlying imperative paradigm, decomposing problems into two basic parts: 1) data, and 2) functions or procedures that operate on that data.Programming is now moving strongly toward the object-oriented paradigm. Languages such as C++ and Java have emerged as languages of choice within this paradigm. With the rise of these object-oriented languages, corresponding methods have emerged for design and analysis. These methods also provide a framework for reducing a problem intO its composite parts. In the object-oriented world, these parts take the form of class hierarchies with data and methods encapsulated in classes.Functional and logic programming languages have never risen in popularity the way imperative and object-oriented languages have. As a result, there is a dearth of information on how to perform design and analysis of programming problems from a functional or logic programming perspective, and there are few formal methods to aid in appropriate problem decomposition.The multiparadigm language Leda [1] merges elements from these four paradigms into a single cohesive language. Multiparadigm languages have yet to gain widespread popularity, although most popular languages are increasingly incorporating aspects from multiple paradigms.~ As a result, few methods for multiparadigm design currently exist, and none directly address the issues raised specifically by these four paradigms.This paper seeks to explore multiparadigm program design through a simple database example using the multiparadigm language Leda. This paper is exploratory in nature, and seeks to expose areas that should be researched further. Example: A Simple Relational DatabaseTypically an analysis phase precedes design. During analysis, we try to understand user or customer requirements. During this phase, we discuss objects and dements that are meaningful to the user, and attempt to do so without strongly tainting the. analysis with a particular paradigm. Unfortanatcly, this is easier said then done. If the gap betw...

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Section: Merge Pointsmentioning

confidence: 95%

Multiparadigm design of a simple relational database

Knutson¹,

Budd²,

Vidos³

2000

SIGPLAN Not.

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“…C++ has been labelled as mnltiparadigm by its creator and others [Lip91]. Other multiparadigm languages considered for use in computing curricula include the G family of languages [Pla91] and a paradigm-general pseudocode based on Modcap [WK89]. …”

Section: The Multiparadigm Language Ledamentioning

confidence: 99%

Never mind the paradigm, what about multiparadigm languages?

Budd

Pandey

1995

SIGCSE Bull.

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A source of great debate among educators is the choice of a programming language in the various computer science courses. In recent years the focus has shifted from features of various programming languages to arguments about the various paradigms that the languages embody. The approach suggested here is to expose students to all of the major paradigms, via the use of a multiparadigm language, as opposed to attempting to identify "the" correct paradigm. In this paper, we first describe the multiparadigm language Leda and its constituent paradigms. We then identify points in the curriculum at which to introduce a multiparadigm language, and some consequences of these choices.

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I+: A multiparadigm language for object-oriented declarative programming

Luk

1995

Computer Languages

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The multiparadigm language G

Cited by 13 publications

References 9 publications

Multiparadigm design of a simple relational database

Multiparadigm design of a simple relational database

Never mind the paradigm, what about multiparadigm languages?

I+: A multiparadigm language for object-oriented declarative programming

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