parser generator - определение. Что такое parser generator
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Что (кто) такое parser generator - определение

PROGRAM THAT GENERATES PARSERS OR COMPILERS FROM SOURCE FILES
Parser generator; Parser generators; Compiler compiler; Compiler Compiler; Compiler generator; Semantic action routine; Compiler development tools; Metacompiler; Parser compiler
Найдено результатов: 370
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.
compiler-compiler         
A utility to generate the source code of a parser, interpreter or compiler from an annotated language description (usually in BNF). Most so called compiler-compilers are really just parser generators. Examples are Bison, Eli, FSL, META 5, MUG2, Parsley, Pre-cc, Yacc. (1995-01-23)
compiler compiler         
Compiler-Compiler         
An early compiler generator for the Atlas, with its own distinctive input language. ["The Compiler-Compiler", R.A. Brooker et al, Ann Rev Automatic Programming 3:229-275, Pergamon 1963]. (1994-10-24)
Compiler-compiler         
In computer science, a compiler-compiler or compiler generator is a programming tool that creates a parser, interpreter, or compiler from some form of formal description of a programming language and machine.
LALR parser generator         
PROGRAM THAT GENERATES LALR PARSERS OR COMPILERS FROM SOURCE FILES
A lookahead LR parser (LALR) generator is a software tool that reads a BNF grammar and creates an LALR parser which is capable of parsing files written in the computer language defined by the BNF grammar. LALR parsers are desirable because they are very fast and small in comparison to other types of parsers.
Electric generator         
  • Hydroelectric power station at [[Gabčíkovo Dam]], [[Slovakia]]
  • Protesters at [[Occupy Wall Street]] using bicycles connected to a motor and one-way diode to charge batteries for their electronics<ref>[http://cityroom.blogs.nytimes.com/2011/10/30/with-generators-gone-wall-street-protesters-try-bicycle-power/ With Generators Gone, Wall Street Protesters Try Bicycle Power], Colin Moynihan, ''New York Times'', 30 October 2011; accessed 2 November 2011</ref>
  • The [[Faraday disk]] was the first electric generator. The horseshoe-shaped magnet ''(A)'' created a magnetic field through the disk ''(D)''. When the disk was turned, this induced an electric current radially outward from the center toward the rim. The current flowed out through the sliding spring contact ''m'', through the external circuit, and back into the center of the disk through the axle.
  • alternating current generator]], c. 1900.
  • Early [[Ganz]] Generator in [[Zwevegem]], [[West Flanders]], [[Belgium]]
  •  R<sub>L</sub>, load resistance
}}
  • The [[Athlone Power Station]] in [[Cape Town]], [[South Africa]]
  • commutator]] needed for high power applications.
  • Mobile electric generator
  • kVA]] direct-driven power station AC alternator, with a separate belt-driven exciter generator.
  • [[Hippolyte Pixii]]'s dynamo. The commutator is located on the shaft below the spinning magnet.
DEVICE THAT CONVERTS OTHER ENERGY TO ELECTRICAL ENERGY
Generator (device); Electrical generators; Power unit; Electricity generator; Direct-current generator; Emergency vehicle generator; Energy generator; Electric generators; Turbine generator (TG); AC generator; Tachogenerator; Electric power generator; Electrical Generator; Electrical generator; DC Generator; Turbine generator; Energy generation; DC generator; Generator (electricity)
In electricity generation, a generatorAlso called electric generator, electrical generator, and electromagnetic generator. is a device that converts motive power (mechanical energy) into electric power for use in an external circuit.
Simple LR parser         
TYPE OF LR PARSER WITH SMALL PARSE TABLES AND A RELATIVELY SIMPLE PARSER GENERATOR ALGORITHM
SLR parser; SLR(1)
In computer science, a Simple LR or SLR parser is a type of LR parser with small parse tables and a relatively simple parser generator algorithm. As with other types of LR(1) parser, an SLR parser is quite efficient at finding the single correct bottom-up parse in a single left-to-right scan over the input stream, without guesswork or backtracking.
Induction generator         
  • Equivalent circuit of induction generator
IN ELECTRICITY
Asynchronous generator
·add. ·- A machine built as an induction motor and driven above synchronous speed, thus acting as an alternating-current generator;
- called also asynchronous generator. Below synchronism the machine takes in electrical energy and acts as an induction motor; at synchronism the power component of current becomes zero and changes sign, so that above synchronism the machine (driven for thus purpose by mechanical power) gives out electrical energy as a generator.
Magnetohydrodynamic generator         
  • Diagram of a disk MHD generator showing current flows
  • Diagram of a Hall MHD generator showing current flows
  • U-25 scale model
MAGNETOHYDRODYNAMIC CONVERTER THAT UTILIZES A BRAYTON CYCLE TO TRANSFORM THERMAL ENERGY AND KINETIC ENERGY DIRECTLY INTO ELECTRICITY
MHD dynamo; Magnetohydrodynamic dynamo; Magnetohydrodynamic Power Generator; MHD Generator; Magnetohydrodynamic Generator; Magnetohydrodynamic power generator; MHD generator; MHD power conversion; Magnetohydrodynamic power conversion; MHD power generation; Magnetohydrodynamic power generation
A magnetohydrodynamic generator (MHD generator) is a magnetohydrodynamic converter that utilizes a Brayton cycle to transform thermal energy and kinetic energy directly into electricity. MHD generators are different from traditional electric generators in that they operate without moving parts (e.

Википедия

Compiler-compiler

In computer science, a compiler-compiler or compiler generator is a programming tool that creates a parser, interpreter, or compiler from some form of formal description of a programming language and machine.

The most common type of compiler-compiler is more precisely called a parser generator. It only handles syntactic analysis.

The input of a parser generator is a grammar file, typically written in Backus–Naur form (BNF) or extended Backus–Naur form (EBNF) that defines the syntax of a target programming language.

The output is the source code of a parser for the programming language. The output of the (compiled) parser source code is a parser. It may be either standalone or embedded. This parser takes as an input the source code of the target programming language source and performs some action or outputs an abstract syntax tree (AST).

Parser generators do not handle the semantics of the AST, or the generation of machine code for the target machine.

A metacompiler is a software development tool used mainly in the construction of compilers, translators, and interpreters for other programming languages. The input to a metacompiler is a computer program written in a specialized programming metalanguage designed mainly for the purpose of constructing compilers. The language of the compiler produced is called the object language. The minimal input producing a compiler is a metaprogram specifying the object language grammar and semantic transformations into an object program.