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SNOBOL ( StriNg Oriented and symBOlic Language ) is a series of computer programming languages developed between 1962 and 1967 at AT & T Bell Laboratories by David J. Farber, Ralph E. Griswold and Ivan P. Polonsky, culminating in SNOBOL4.
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SNOBOL and StriNg
Common interpretations of " SNOBOL " are ' String Oriented Symbolic Language ' or ( as a quasi-initialism ) ' StriNg Oriented symBOlic Language '.
SNOBOL and Language
However the macro features of the assembler were used to define the virtual machine instructions of the SNOBOL Implementation Language, the SIL.
* Charles Hall Collection on the SNOBOL Programming Language.
SNOBOL and is
It is related to SNOBOL and SL5, string processing languages.
It is possible to implement a language interpreter in SNOBOL almost directly from a Backus-Naur form expression of it, with few changes.
Some of this power derives from the so-called " SPITBOL extensions " ( which have since been incorporated in basically all modern implementations of the original SNOBOL 4 language too ), although it is possible to achieve the same power without them.
This algorithm makes it easier to use SNOBOL as a logic programming language than is the case for most languages.
As a language, XSLT is influenced by functional languages, and by text-based pattern matching languages in the tradition of SNOBOL and awk.
With interpreted languages, the " machine code " is the source text and may be susceptible to editing on-the-fly: in SNOBOL the source statements being executed are elements of a text array.
SPITBOL ( Speedy Implementation of SNOBOL ) is a compiled implementation of the SNOBOL4 language.
SNOBOL was the outcome ; it was a radically different language in its time and still is.
Snowball is a small string-handling programming language whose name was chosen as a tribute to the SNOBOL programming language, with which it shares the concept of string patterns delivering signals that are used to control the flow of the program.
SNOBOL and series
COMIT was the first string processing language ( compare SNOBOL, TRAC, and Perl ), developed on the IBM 700 / 7000 series computers by Dr. Victor Yngve and collaborators at MIT from 1957-1965.
SNOBOL and computer
The player in the role of Tron has to beat four subgames, each at 12 increasingly difficult levels, with each level named after a computer programming language, such as " BASIC ", " RPG ", " COBOL ", " FORTRAN ", " SNOBOL ", " PL1 ", " PASCAL ", " ALGOL ", " ASSEMBLY ", " OS ", " JCL " and " User ", ( then " User " repeats itself ).
It was originally developed in SNOBOL at Bell Labs in 1972 by Marc J. Rochkind for an IBM System / 370 computer running OS / 360 MVT.
SNOBOL and programming
In many ways Icon also shares features with most scripting programming languages ( as well as SNOBOL and SL5, from which they were taken ): variables do not have to be declared, types are cast automatically, and numbers can be converted to strings and back automatically.
SNOBOL rivals APL for its distinctiveness in format and programming style, both being radically unlike more " standard " procedural languages such as BASIC, Fortran, or C.
Although SNOBOL itself has no structured programming features,
Because some users of the Python programming language found the use of regular expressions limiting, an extension to Python has been introduced, which makes it possible to use SNOBOL pattern matching in Python programs.
Category: SNOBOL programming language family
Category: SNOBOL programming language family
Early programming languages with pattern matching constructs include SNOBOL from 1962, SASL from 1976, NPL from 1977, and KRC from 1981.
Category: SNOBOL programming language family
Dr. Farber graduated from the Stevens Institute of Technology in 1956 and began an 11-year career at Bell Laboratories, where he helped design the first electronic switching system ( ESS-1 ) and the SNOBOL programming languages.
Category: SNOBOL programming language family
In an amusing coincidence, the SNOBOL programming language was originally named SEXI-String EXpression Interpreter.
Category: SNOBOL programming language family
SNOBOL and languages
Complex SNOBOL patterns can do things that would be impractical or impossible using the more primitive regular expressions used in most other pattern matching languages.
All of us yelled at once, " WE GOT IT -- SNOBOL " in the spirit of all the BOL languages.
SNOBOL and 1962
The pioneer string-processing language SNOBOL ( 1962 ) may have been the first to provide a built-in general backtracking facility.
SNOBOL and at
a structured extension of SNOBOL called Snostorm existed at University College London ( UCL )
SNOBOL and by
The initial SNOBOL language was created as a tool to be used by its authors to work with the symbolic manipulation of polynomials.
SNOBOL and .
One of the designers of SNOBOL, Ralph Griswold, designed successors to SNOBOL4 called SL5 and Icon, which combined the backtracking of SNOBOL4 pattern matching with more standard ALGOL-like structuring, as well as adding some features of their own.
A SNOBOL pattern can be very simple or extremely complex.
SNOBOL stores variables, strings and data structures in a single garbage-collected heap.
* Oral history interview with Ralph E. Griswold — Griswold discusses development of SNOBOL Charles Babbage Institute, University of Minnesota, Minneapolis.
Oriented and Language
Their operating systems, called MCP ( Master Control Program — the name later borrowed by the screenwriters for Tron ), were programmed in ESPOL ( Executive Systems Programming Oriented Language, a minor extension of ALGOL ), and later in NEWP ( with further extensions to ALGOL ) almost a decade before Unix.
* An Introduction to Language Oriented Programming at JAOO 2006
fr: String Oriented Symbolic Language
* SNOBOL4 ( String Oriented Symbolic Language )
* COBOL ( Common Business Oriented Language )-uses terms like file, move and copy.
DiBOL or Digital's Business Oriented Language is a general-purpose, procedural, imperative programming language, which is well-suited for Management Information Systems ( MIS ) software development.
JHDL ( Just-Another Hardware Description Language ) is a low-level structural hardware description language, focused primarily on building circuits via an Object Oriented approach that bundles collections of gates into Java objects.
UNCOL ( Universal Computer Oriented Language ) was a proposed universal intermediate language for compilers introduced by Melvin E. Conway in 1958.
Steel, Jr., " UNCOL: Universal Computer Oriented Language Revisited ", Datamation ( Jan / Feb 1960 ), p. 18.
* COBOL ,( 1959 ) the COmmon Business Oriented Language, created by the Short Range Committee, heavily influenced by Grace Hopper.
ESPOL ( short for Executive Systems Problem Oriented Language ) was a superset of ALGOL 60 that provided capabilities of what would later be known as Mohols, machine oriented high order languages, such as interrupting a processor on a multiprocessor system ( the Burroughs large systems were multiprocessor processor systems ).
COOL was an acronym for " Common Object Oriented Language "-despite the fact that there was little object orientation in the product.
* W. R. Brittenham and B. F. Melkun, " The Systems Programming Language Problem ", Proceedings of the IFIP Working Conference on Machine Oriented Higher Level Languages, Trondheim, Norway, August 29 – 31, 1973, pp. 29 – 47.
Language Oriented Programming published in Software-Concepts and Tools, Vol. 15, No. 4, pp 147-161, 1994
and in the article by Sergey Dmitriev entitled Language Oriented Programming: The Next Programming Paradigm.
The concept of Language Oriented Programming takes the approach to capture requirements in the user's terms, and then to try to create an implementation language as isomorphic as possible to the user's descriptions, so that the mapping between requirements and implementation is as direct as possible.
* Language Oriented Programming Martin Ward's original paper that coined the term.
* Language Oriented Programming: The Next Programming Paradigm Sergey Dmitriev's paper that further explored the topic.
* Ceteva's XMF ' Language Oriented Programming ' language
* Language Oriented Programming ( LOP )
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