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scope/let.hpp Make a local copy of vars and use it.

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This commit is contained in:
John Fletcher
2015-01-11 00:39:52 +00:00
parent d9896f1ed2
commit 8ecc2cf71b
1 changed files with 10 additions and 8 deletions
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18
include/boost/phoenix/scope/let.hpp
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@@ -10,8 +10,8 @@
#ifndef BOOST_PHOENIX_SCOPE_LET_HPP
#define BOOST_PHOENIX_SCOPE_LET_HPP
#include <boost/assert.hpp>
#include <sstream>
//#include <boost/assert.hpp>
//#include <sstream>
#include <boost/phoenix/core/limits.hpp>
#include <boost/fusion/include/transform.hpp>
#include <boost/fusion/include/as_vector.hpp>
@@ -88,6 +88,8 @@ namespace boost { namespace phoenix
typename result<let_eval(Vars const&, Map const&, Expr const &, Context const &)>::type const
operator()(Vars const & vars, Map, Expr const & expr, Context const & ctx) const
{
Vars vars_(vars);
typedef
typename proto::detail::uncvref<
typename result_of::env<Context>::type
@@ -111,7 +113,7 @@ namespace boost { namespace phoenix
>::type
locals_type;
locals_type locals = initialize_locals(proto::value(vars), ctx);
locals_type locals = initialize_locals(proto::value(vars_), ctx);
scoped_environment<
env_type
@@ -123,11 +125,11 @@ namespace boost { namespace phoenix
// Fix for bugs (trial)
// The idea is to do something which will not be optimised away.
int vsize = boost::fusion::size(vars);
std::stringstream strm;
strm << vsize << std::endl;
int size = strm.str().length();
BOOST_ASSERT(size >= 0);
//int vsize = boost::fusion::size(vars);
//std::stringstream strm;
//strm << vsize << std::endl;
//int size = strm.str().length();
//BOOST_ASSERT(size >= 0);
return eval(expr, phoenix::context(env, phoenix::actions(ctx)));
}
};