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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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This repository contains a minimalistic Pascal compiler implemented in C, covering lexical and syntax analysis. It serves as a learning resource for understanding the fundamental aspects of compiler design. The code is intentionally kept concise to provide a clear insight into the key stages of lexical and syntax analysis in a compiler.

  • Updated Dec 7, 2023
  • C