Hello,
I'm new to Spirit and I'm wondering if it is possible to generate a rule dynamically...
My purpose is to be able to read tokens from a file and generate the grammar accordingly...
For example the following rule works as expected:
rule = str_p( "token_1" ) | str_p( "token_2" )
| str_p( "token_3" ) ;
But is it possible to generate this rule in a loop ?
Something like :
// Put token in a list
std::list< std::string > token_list;token_list.push_back( "token_1" );
token_list.push_back( "token_2" );token_list.push_back( "token_3" );
// Generate a rule from the token list
for ( std::list< std::string >::iterator token = token_list.begin() ; token != token_list.end() ; ++token )
{ rule = rule | str_p( token->c_str() );
}Any help would be appreciated !
--
Damien Garrido
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