Hello,
When I have a grammar like this:
struct create_table_grammar
: boost::proto::shift_left
<
boost::proto::shift_left
<
boost::proto::terminal<tags::create>
, boost::proto::terminal<tags::table>
>
, boost::proto::terminal<const char*>
>
{};
And this expression:
create << table << "lala";
Where create and table are terminals with the respective tags.
I have this compile error:
examples/test1.cpp: In function ‘int main()’:
examples/test1.cpp:12: error: no match for ‘operator<<’ in
‘sql::keywords::create << sql::keywords::table’
If I don't inner expressions, then (create << table) works. But I
can't define a more restricted grammar this way.
I want create << table to work only when preceded with another
specific expression.
I wanted create << table to be enabled, but to disable everything else
except (create << table) << "";
Is this possible?
Thanks,
--
Felipe Magno de Almeida
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