1 / 42

Top-Down Parsing

Syntax Analysis. Parser = Syntax analyzerInput: sequence of tokens from lexical analysisOutput: a parse tree of the program E.g., ASTProcess:Try to derive from a starting symbol to the input string (How?)Build the parse tree following the derivationScanner and parserScanner looks at the lower level part of the programming languageOnly the language for the tokensParser looks at the higher lever part of the programming languageE.g., if statement, functionsThe tokens are abstracted.

Rita
Télécharger la présentation

Top-Down Parsing

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

    More Related