Re: FYI: lalr1.cc: Remove the traits

[Hans Aberg]

On 19 Sep 2005, at 13:26, Hans Aberg wrote:

> std::stack is an adaptor l´class, which uses std::deque as default,  
> but otherwise can use std::vector and std::list as well.
>
> One alternative, for the Bison parser, might be to write a similar  
> adaptor class, which admits looking down the stack. Then  people  
> easily can choose. But in general, I propose to make the C++ parser  
> as simple as possible, to get it off the ground.

One way to do it, might be to define a macro that expands to  
std::deque by default. Then, if one wants to change that, one writes  
in the .y file say
  %define parser_stack "std::vector"
causing the macro to expand to std::vector instead.

  Hans Aberg