Emerald (programming language)

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Emerald
Paradigm object-oriented
Designed by Andrew P. Black, Norman C. Hutchinson, Eric B. Jul, Henry M. Levy
First appeared1980s
Typing discipline strong, static
Website www.emeraldprogramminglanguage.org
Influenced by
Pascal, Simula, Smalltalk
Influenced
Java, Singularity

Emerald is a distributed, object-oriented programming language developed in the 1980s by Andrew P. Black, Norman C. Hutchinson, Eric B. Jul, and Henry M. Levy, in the Department of Computer Science at the University of Washington. [1]

A simple Emerald program can create an object and move it around the system:

const Kilroy ←  object Kilroy   processconst origin ←  locate selfconst up ← origin.getActiveNodes   for e in up    const there ← e.getTheNode    move self to there   end formove self to origin   end process end Kilroy

Emerald was designed to support high performance distribution, location, and high performance of objects, to simplify distributed programming, to exploit information hiding, and to be a small language.

References

  1. ↑ Black, Andrew P.; Hutchinson, Norman C.; Jul, Eric; Levy, Henry M. (1 January 2007). "The Development of the Emerald Programming Language". Proceedings of the third ACM SIGPLAN conference on History of programming languages - HOPL III. ACM. pp. 11–1–11-51. doi:10.1145/1238844.1238855. ISBN   978-1-59593-766-7.
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