LR parser

[ɛl ɑːr ˈpɑːrsər]
nounpl: LR parsers
analisador LR
1. A bottom-up syntax analyzer that reads input from left to right and produces a rightmost derivation in reverse, used in compiler design and formal language processing
The LR parser is more powerful than the LL parser and can handle a wider class of context-free grammars.
O analisador LR é mais poderoso que o analisador LL e pode processar uma classe mais ampla de gramáticas livres de contexto.
2. A computational algorithm that performs syntax analysis by scanning source code from left to right while maintaining a stack of grammar symbols
Modern compilers often use LR parser generators like YACC or Bison to create efficient parsers.
Compiladores modernos frequentemente usam geradores de analisadores LR como YACC ou Bison para criar analisadores eficientes.
LR parsers are a fundamental concept in compiler theory taught in computer science programs worldwide. The term is highly technical and used consistently across English and Portuguese-speaking academic and professional communities. Understanding LR parsing is considered essential knowledge for software engineers specializing in language design and compiler construction.
Synonyms / Sinônimos
bottom-up parsershift-reduce parserLALR parserSLR parser
Antonyms / Antônimos
LL parsertop-down parserrecursive descent parser

Regional Variations

General Brazilian
analisador LR
Standard technical term used in computer science education and industry
Portugal
analisador LR
Same terminology; consistent usage across Portuguese-speaking technical communities
General English
LR parser
Acronym stands for 'Left-to-right, Rightmost derivation' parser

Related Words

parsercompilergrammarsyntax analysiscontext-free grammarshift-reduce parsingYACCBison

Related Idioms & Phrases

shift-reduce conflict in LR parsing
reduce-reduce conflict resolution
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