Lexer /lek'sr/ N.
Common Hacker Shorthand For `lexical
Analyzer', The Input-tokenizing Stage In The Parser For A Language
(the Part That Breaks It Into Word-like Pieces).
Common hacker shorthand for `lexical
analyzer', the input-tokenizing stage in the parser for a language
(the part that breaks it into word-like pieces). "Some C lexers
get confused by the old-style compound ops like =-."