LR parsers are a type of bottom-up parser that analyse deterministic context-free languages in linear time. There are several variants of LR parsers:...
62 KB (8,130 words) - 20:10, 28 April 2025
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...
6 KB (871 words) - 11:35, 11 May 2025
grammar for a computer language. An LALR parser is a simplified version of a canonical LR parser. The LALR parser was invented by Frank DeRemer in his 1969...
11 KB (1,470 words) - 12:41, 29 November 2024
parsers[citation needed], is being offered by several parser generators. Like most parsers, the LR(1) parser is automatically generated by compiler-compilers...
15 KB (2,253 words) - 23:14, 6 September 2024
shift-reduce parser scans and parses the input text in one forward pass over the text, without backing up. The parser builds up the parse tree incrementally...
20 KB (2,667 words) - 20:45, 28 April 2025
In computer science, the Earley parser is an algorithm for parsing strings that belong to a given context-free language, though (depending on the variant)...
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Canonical LR parser LALR (look-ahead LR) parser Operator-precedence parser SLR (Simple LR) parser Simple precedence parser Packrat parser: a linear time...
37 KB (4,881 words) - 11:56, 14 February 2025
some inputs, the depth of the parse tree can be proportional to the input size, so both an LR parser and a packrat parser will appear to have the same...
47 KB (6,505 words) - 18:00, 1 February 2025
computer science, an LL parser (left-to-right, leftmost derivation) is a top-down parser for a restricted context-free language. It parses the input from Left...
31 KB (4,481 words) - 05:46, 7 April 2025
A GLR parser (generalized left-to-right rightmost derivation parser) is an extension of an LR parser algorithm to handle non-deterministic and ambiguous...
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History of compiler construction (category Parsing algorithms)
LR parser is a parser that reads input from Left to right (as it would appear if visually displayed) and produces a Rightmost derivation. The term LR(k)...
52 KB (6,376 words) - 07:59, 21 November 2024
Bounded-context parser (BC) LR parser (Left-to-right, Rightmost derivation in reverse) Simple LR parser (SLR) LALR parser (Look-Ahead) Canonical LR parser (LR(1))...
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2023-11-30. "The Lezer Parser System". "Building a ShopifyQL Code Editor". Shopify. Retrieved 2023-12-06. "Sponsoring the Lezer parser system | Tines". www...
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commonly defined using Backus–Naur form. An LL parser is a type of parser that does top-down parsing by applying each production rule to the incoming...
11 KB (1,368 words) - 14:32, 2 August 2024
SLR grammar (section Parsing algorithm)
Simple LR parser. SLR grammars are a superset of all LR(0) grammars and a subset of all LALR(1) and LR(1) grammars. When processed by an SLR parser, an SLR...
4 KB (684 words) - 19:47, 9 March 2022
In computer science, a recursive descent parser is a kind of top-down parser built from a set of mutually recursive procedures (or a non-recursive equivalent)...
10 KB (1,109 words) - 12:39, 25 October 2024
Dangling else (category Parsing)
ambiguity: If the parser is produced by an SLR, LR(1), or LALR LR parser generator, the programmer will often rely on the generated parser feature of preferring...
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top-level domain for Liberia Little Rock, Arkansas, United States LR parser, a type of parser in computer science Lexical resource, a database consisting of...
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lookahead LR parser (LALR) generator is a software tool that reads a context-free grammar (CFG) and creates an LALR parser which is capable of parsing files...
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Context-free grammar (section Parsing)
of the general-purpose parsing algorithms: CYK algorithm (for grammars in Chomsky normal form) Earley parser GLR parser LL parser (only for the proper subclass...
46 KB (6,143 words) - 21:09, 21 April 2025
In computing, Tree-sitter is a parser generator and incremental parsing library. It is used to parse source code into concrete syntax trees usable in...
6 KB (424 words) - 12:43, 20 February 2025
parsed by an LL parser, which parses the input from Left to right, and constructs a Leftmost derivation of the sentence (hence LL, compared with LR parser...
14 KB (1,997 words) - 10:49, 7 December 2023
non-deterministic approaches such as the chart parser had to be applied. However, Mitch Marcus proposed in 1978 the Parsifal parser that was able to deal with ambiguities...
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Compiler-compiler (redirect from Parser generator)
TREE-META Yacc Xtext XPL JavaCC Parsing expression grammar LL parser LR parser Simple LR parser LALR parser GLR parser Domain analysis Domain-specific...
41 KB (5,128 words) - 03:35, 25 March 2025
GNU Bison (redirect from Bison parser generator)
and %parse-param declarations. %{ /* * Parser.y file * To generate the parser run: "bison Parser.y" */ #include "Expression.h" #include "Parser.h" #include...
22 KB (2,306 words) - 09:09, 3 January 2025
recursive ascent parsing is a technique for implementing an LR parser which uses mutually-recursive functions rather than tables. Thus, the parser is directly...
15 KB (2,004 words) - 23:04, 22 December 2024
Lemon is a parser generator, maintained as part of the SQLite project, that generates a look-ahead LR parser (LALR parser) in the programming language...
4 KB (334 words) - 21:37, 18 January 2024
The Packrat parser is a type of parser that shares similarities with the recursive descent parser in its construction. However, it differs because it...
32 KB (1,858 words) - 01:45, 1 April 2025
stands for Seminole Gulf Railway Scannerless Generalized LR Parser describes a Generalized LR parser without a separate Scanner aka. Lexical analysis Steeple...
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operator-precedence parsers. An operator-precedence parser is a simple shift-reduce parser that is capable of parsing a subset of LR(1) grammars. More precisely...
16 KB (1,839 words) - 15:28, 5 March 2025