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lexical-analysis

A grammar describes the syntax of a programming language, and might be defined in Backus-Naur form (BNF). A lexer performs lexical analysis, turning text into tokens. A parser takes tokens and builds a data structure like an abstract syntax tree (AST). The parser is concerned with context: does the sequence of tokens fit the grammar? A compiler is a combined lexer and parser, built for a specific grammar.

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Lexical and syntax gramma analysis app in example of wholesaler of sports clothing. Created at the University as the project within Intelligent Systems classes in 2016. The purpose of this project was to learn lexical and syntax gramma in PLY (Python Lex-Yacc).

  • Updated Feb 15, 2018
  • Python