lexer

Definitions

lex +‎ -er, ultimately from lexical.

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Where is the sustainability … see no solar pannels for eg. is the water recycled? or is it dumped into the lake or river down there? lexer

Casa Gutierrez in El Salvador by P&P Architects 2010
But what happens if I pass in something that the lexer shouldn't understand?

A Scala Lexer Jack Cough 2009
In fact, the lexer here isn't yet capable of handling white space.

A Scala Lexer Jack Cough 2009
There really isn't much a lexer can do with errors.

Archive 2009-05-01 Jack Cough 2009
String = x scala val lexer = new SimpleLexercode with Identifinder lexer: com.joshcough.compiler.lex.

A Scala Lexer Jack Cough 2009
NumberFinder with CharFinders with WhiteSpaceFinder lexer lexing " x , y ;"

A Scala Lexer Jack Cough 2009
Yes, my previous lexer could only lex one line at a time.

Archive 2009-05-01 Jack Cough 2009
Notice that like any good lexer, this lexer simply skips over the white space, handing you the next actual token at its right location.

A Scala Lexer Jack Cough 2009
When I ask the lexer for its tokens, it gives me back exactly what I'd expect, Token(Identifier(x),0), and EOF(1).

A Scala Lexer Jack Cough 2009
NumberFinder with CharFinders with WhiteSpaceFinder lexer lexing " x , y ;"

Archive 2009-05-01 Jack Cough 2009