[Boost-users] [property_tree] Compilation Problem when #including <boost/property_tree/json_parser.hpp>

Subject: [Boost-users] [property_tree] Compilation Problem when #including <boost/property_tree/json_parser.hpp>
From: Adi Shavit (adishavit_at_[hidden])
Date: 2014-02-10 05:29:39

Hi,

  On VS2010, the following code does not compile if I restore the commented
out #include:

*// #include <boost/property_tree/json_parser.hpp>*

struct X
{
    enum Labels { ERROR, ONE, TWO, THREE };
    // problem => ^^^^^
};

void f()
{
   X::Labels r = X::ERROR;
   // problem =>    ^^^^^
}

The VS2010 errors are:

t.cpp(5): error C2059: syntax error : 'constant'
t.cpp(5): error C2143: syntax error : missing ';' before '}'
t.cpp(5): error C2238: unexpected token(s) preceding ';'
t.cpp(7): error C2059: syntax error : '}'
t.cpp(7): error C2143: syntax error : missing ';' before '}'
t.cpp(7): error C2059: syntax error : '}'
t.cpp(11): error C2589: 'constant' : illegal token on right side of '::'
t.cpp(11): error C2059: syntax error : '::'

It seems that somewhere inside the #include hierarchy the symbol ERROR is
#defined to cause this code to fail.
Renaming ERROR to something else avoids this problem.

I think I tracked it into '
boost/spirit/home/classic/iterator/impl/file_iterator.ipp' but I'm not sure
where exactly it is coming from.

Adi