Re: Solving >> issue in templates

[Hans Aberg]

On 6 Feb 2013, at 11:32, John P. Hartmann <address@hidden> wrote:

> Isn't the point that <> are brackets (parentheses) in this context.
> Clearly the lexer must determine this and emit an appropriate token.

The ">>" token is context dependent, so the parser might set that context in a 
variable which the lexer reads, and if it is set, emits two ">" in two 
successive calls.


> On 6 February 2013 10:14, Hans Aberg <address@hidden> wrote:
>> On 6 Feb 2013, at 00:54, Adam Smalin <address@hidden> wrote:
>> 
>>> This doesn't help :( I see >> is in the lexer (search SHL) which means 
>>> List<List<int>> will not compile because >> is a right shift. But i looked 
>>> in the y file first and well... like i said its a C++ problem so C++ 
>>> obviously would suffer from it.
>> 
>> Have you tried the other way around: sorting out ">>" in the actions? But 
>> otherwise, there might be somebody out there already having solved this.
>> 
>>> On Mon, Jan 28, 2013 at 6:16 PM, Hans Aberg <address@hidden> wrote:
>>> On 15 Jan 2013, at 03:48, Adam Smalin <address@hidden> wrote:
>>> 
>>>> As we know in C++ there is a issue...
>>> 
>>> 
>>> You might inquiry in the Usenet newsgroup comp.compilers. There is a 
>>> Yaccable C++ grammar for an older revision, it may not have been updated.
>>> http://www.parashift.com/c++-faq-lite/yaccable-grammar.html
>>> 
>>> Hans