V2EX parser

Parser

释义 Definition

parser(解析器):在计算机领域中,指把一段输入(如文本、代码、数据)按语法规则进行分析,并将其转换为更易处理的结构(如语法树 AST)的程序或组件。常见于编译器、解释器、数据处理与自然语言处理等场景。(在某些语境下也可泛指“分析者/解析工具”。)

发音 Pronunciation

/pr.sr/

词源 Etymology

源自拉丁语 pars(“部分”),经法语影响进入英语,形成 parse(“把句子或结构分解并分析”)这一动词;parser 是其施事名词形式,意为“进行解析的人或工具”。在现代计算机语境中,“parser”常指自动化的语法分析程序。

例句 Examples

The parser reads the file and finds errors.
解析器读取文件并找出错误。

After the update, the JSON parser can handle nested objects more reliably, which reduces crashes in production.
更新后,这个 JSON 解析器能更可靠地处理嵌套对象,从而减少生产环境中的崩溃。

相关词 Related Words

文学与著作中的用例 Literary Works & Notable Books

  • Compilers: Principles, Techniques, and Tools(Aho, Lam, Sethi, Ullman,“龙书”):系统讨论 parser(如递归下降、LR/LL 解析)在编译器中的核心作用。
  • Structure and Interpretation of Computer Programs(SICP):在解释器与语言处理相关章节中涉及将输入表达式进行分析与处理的 parser 思想与实现。
  • Programming Language Pragmatics(Michael L. Scott):在语言实现部分多处使用 parser 来讲解语法分析与编译/解释流程。
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