V2EX parser

Parser

定义 Definition

Parser 是一个名词,指"解析器"或"语法分析器",即将输入的数据(如文本、代码、标记语言等)按照一定的语法规则进行分析和拆解,转化为结构化信息的程序或工具。

发音 Pronunciation

/pr.sr/

例句 Examples

The compiler uses a parser to analyze the source code.
编译器使用解析器来分析源代码。

Building a reliable parser for natural language is one of the most challenging tasks in computational linguistics, as human language is full of ambiguity and context-dependent meanings.
为自然语言构建一个可靠的解析器是计算语言学中最具挑战性的任务之一,因为人类语言充满了歧义和依赖上下文的含义。

词源 Etymology

Parser 来源于动词 parse,而 parse 源自拉丁语 pars(意为"部分"),最初的含义是对句子进行语法分析,将其拆解为各个组成部分(如主语、谓语、宾语等)。后缀 -er 表示"执行该动作的人或物"。这个词在传统语法教学中已有数百年的使用历史,进入计算机科学领域后,特指对代码或数据进行语法分析的程序模块。

相关词汇 Related Words

文学与技术作品引用 Literary & Technical References

  • 《编译原理》Compilers: Principles, Techniques, and Tools),Alfred Aho 等著被称为"龙书",其中详细讲解了各类 parser 的设计与实现,包括 LL parser 和 LR parser。
  • 《Structure and Interpretation of Computer Programs》计算机程序的构造和解释),Harold Abelson 与 Gerald Jay Sussman 著书中讨论了如何为编程语言构建 parser。
  • 《Natural Language Processing with Python》,Steven Bird 等著展示了如何使用 parser 对自然语言文本进行句法分析。
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