Re: Context Sensitive Lexer

[Hans Aberg]

At 15:40 -0200 2004/01/23, Valter G. Nogueira Jr. wrote:
>    I want to identify the minus sign (-) as 2 two  diferent tokens   one
>as unary operator a = -b    and other as minus operator a = b - c  
>Thanks,  

This is usually resolved by the parser, using precedences in the grammar..
See for example the Bison manual, its infix notation calculator example.
User help with Bison is gotten at:
  address@hidden http://mail.gnu.org/mailman/listinfo/help-bison

  Hans Aberg