Multipurpose lexical analyzer

Details Multipurpose lexical analyzer Multipurpose lexical analyzer

2007-03-27

2007-03-27

Zhen, Wei (Department: 2191)

Data processing: software development, installation, and managem

Software program development tool

Translation of code

C717S142000, C717S143000

Reexamination Certificate

active

10459923

ABSTRACT:
A method for lexically analyzing an input stream including invoking a multipurpose lexical analyzer, wherein invoking the multipurpose lexical analyzer comprises examining a parameter setting, scanning the input stream to obtain a token using a token definition, and determining whether to ignore the token using the parameter setting, returning the token to a calling process if the token is to be processed.

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M.E. Lesk & E. Schmidt; “Lex—A Lexical Analyzer Generator”, The Lex & Yacc Page, http://dinosaur.compilertools.net/lex/index.html, printed Dec. 24, 2002, 21 pages.
Class PreProcessor; taems.preprocessor public class; http://dis.cs.umass.edu/research/mass/api/taems/taems/preprocessor/PreProcessor.html; printed Dec. 25, 2002; 7 pgs.
Class StringTokenizer; com.Ostermiller.util public class; http://ostermiller.org/utils/doc/com/Ostermiller/util/String Tokenizer.html; printed Dec. 24, 2002; 18 pages.
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