Re: %union with STL

[Tommy Nordgren]

C++ dont allow unions containing c++ classes
On May 22, 2009, at 8:11 PM, Paritosh Aggarwal wrote:

> /*JIT PARSER BISON FILE*/
>
> %{
> #include<map>
> #include "heading.h"
>
> using namespace std;
>
> int yyerror(char *s);
> int yylex(void);
> %}
>
> %union
> {
>    pair<const string,int>* it;
>    int val;
> }
>
> ................
>
>
> compiling this gives the following error: jitparser.y:15: error: ISO  
> C++
> forbids declaration of ‘pair’ with no type
> jitparser.y:15: error: expected ‘;’ before ‘<’ token
> I want to include a pointer to an STL map entry, and
> map<parameters>::iterator gives a similar error. Is there any way to
> accomplish this.
>
> BTW - removing the "const" before string removes this error, but  
> iterator is
> pointer to a pair<const string, int> type.
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Tommy Nordgren
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