new
fun newLexer(lexerFilterFunction: A_Function, lexerBodyFunction: A_Function?, lexerMethod: A_Method, definitionModule: A_Module): A_Lexer
Answer a new, fully populated lexer. Also install it in the given module and method. Note that the references from the lexer to the module and method should be considered back-pointers.
Return
A new method with no name.
Parameters
lexer
A function that tests the character at the current lexing point to determine whether to run the body of this lexer.
lexer
The function that creates runs of tokens from source code.
lexer
The method associated with the lexer.
definition
The module in which the lexer is defined.