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Spirit: Fixing Qi example for ggc

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[SVN r63755]
This commit is contained in:
Hartmut Kaiser
2010-07-08 18:11:42 +00:00
parent 0f92efccf1
commit ec0f0a63fe
1 changed files with 10 additions and 9 deletions
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19
example/qi/boost_array.cpp
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@@ -32,14 +32,15 @@ namespace client
: arr_(arr), current_(0) {}
// expose a push_back function compatible with std containers
void push_back(typename array_type::value_type const& val)
bool push_back(typename array_type::value_type const& val)
{
// if the array is full, we need to bail out
// there is currently no other way of making the parsing fail
// returning false will fail the parse
if (current_ >= N)
boost::throw_exception(std::runtime_error("too bad..."));
else
arr_[current_++] = val;
return false;
arr_[current_++] = val;
return true;
}
array_type& arr_;
@@ -86,10 +87,10 @@ namespace boost { namespace spirit { namespace traits
struct push_back_container<
client::detail::adapt_array<boost::array<T, N> >, T>
{
static void call(client::detail::adapt_array<boost::array<T, N> >& c
static bool call(client::detail::adapt_array<boost::array<T, N> >& c
, T const& val)
{
c.push_back(val);
return c.push_back(val);
}
};
}}}
@@ -108,8 +109,8 @@ int main()
qi::rule<iterator_type, adapted_type(), ascii::space_type> r = *qi::int_;
bool result = qi::phrase_parse(iter, end, r, ascii::space
, client::adapt_array(arr));
adapted_type attr = client::adapt_array(arr);
bool result = qi::phrase_parse(iter, end, r, ascii::space, attr);
if (result)
std::cout << "Parsed: " << arr[0] << ", " << arr[1] << std::endl;