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Syntax can be divided into context-free syntax and context-sensitive syntax. [7] Context-free syntax are rules directed by the metalanguage of the programming language. These would not be constrained by the context surrounding or referring that part of the syntax, whereas context-sensitive syntax would.
In computer programming, a naming convention is a set of rules for choosing the character sequence to be used for identifiers which denote variables, types, functions, and other entities in source code and documentation. Reasons for using a naming convention (as opposed to allowing programmers to choose any character sequence) include the ...
The off-side rule describes syntax of a computer programming language that defines the bounds of a code block via indentation. [ 1 ] [ 2 ] The term was coined by Peter Landin , possibly as a pun on the offside law in association football .
In Chomsky's generative grammar framework, the syntax of natural language was described by context-free rules combined with transformation rules. [ 5 ] Block structure was introduced into computer programming languages by the Algol project (1957–1960), which, as a consequence, also featured a context-free grammar [ 6 ] to describe the ...
Off-side rule languages: Boo, Cobra, CoffeeScript, F#, Haskell (in do-notation when braces are omitted), LiveScript, occam, Python, Nemerle (Optional; the user may use white-space sensitive syntax instead of the curly-brace syntax if they so desire), Nim, Scala (Optional, as in Nemerle)
This is an accepted version of this page This is the latest accepted revision, reviewed on 22 February 2025. Language for communicating instructions to a machine The source code for a computer program in C. The gray lines are comments that explain the program to humans. When compiled and run, it will give the output "Hello, world!". A programming language is a system of notation for writing ...
He also introduced a clear distinction between generative rules (those of context-free grammars) and transformation rules (1956). [6] [7] John Backus, a programming language designer at IBM, proposed a metalanguage of "metalinguistic formulas" [2] [9] [10] to describe the syntax of the new programming language IAL, known today as ALGOL 58 (1959 ...
Reducing the cost of software maintenance is the most often cited reason for following coding conventions. In the introductory section on code conventions for the Java programming language, Sun Microsystems offers the following reasoning: [2]