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Online Computer Terms Dictionary - P

PARSEC

Extensible language with PL/I-like syntax, derived from PROTEUS. "PARSEC User's Manual", Bolt Beranek & Newman (Dec 1972).

 


Nearby terms: PARMACS ParMod PARS PARSEC parser parser generator parsing

parser

<language> An algorithm or program to determine the syntactic structure of a sentence or string of symbols in some language. A parser normally takes as input a sequence of tokens output by a lexical analyser. It may produce some kind of abstract syntax tree as output. One of the best known parser generators is yacc.

(1997-07-21)

 


Nearby terms: ParMod PARS PARSEC parser parser generator parsing Parsley

parser generator

A program which takes a formal description of a grammar (e.g. in BNF) and outputs source code for a parser which will recognise valid strings obeying that grammar and perform associated actions. Unix's yacc is a well known example.

 


Nearby terms: PARS PARSEC parser parser generator parsing Parsley Partial Differential Equation LANguage
 

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