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allow ascii symbols_parser to be matched against unicode chars #655

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allow ascii symbols_parser to be matched against unicode chars #655

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8 changes: 4 additions & 4 deletions include/boost/spirit/home/x3/support/no_case.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -24,8 +24,8 @@ namespace boost { namespace spirit { namespace x3
return set.test(ch);
}

template <typename Char>
int32_t operator()(Char lc, Char rc) const
template <typename Char, typename Char2>
int32_t operator()(Char lc, Char2 rc) const
{
return lc - rc;
}
Expand All @@ -50,8 +50,8 @@ namespace boost { namespace spirit { namespace x3
? Encoding::toupper(ch) : Encoding::tolower(ch));
}

template <typename Char>
int32_t operator()(Char lc_, Char const rc_) const
template <typename Char, typename Char2>
int32_t operator()(Char lc_, Char2 const rc_) const
{
using char_type = typename Encoding::classify_type;
auto lc = char_type(lc_);
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10 changes: 10 additions & 0 deletions test/x3/symbols3.cpp
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Expand Up @@ -93,5 +93,15 @@ main()
BOOST_TEST(r == 3);
}

{ // unicode input | ascii symbols
using namespace boost::spirit;
symbols<int> foo = {{"a1", 1}, {"a2", 2}, {"a3", 3}};

int r;
BOOST_TEST((test_attr(U"a3", foo, r)));
std::cout << "r = " <<r << std::endl;
BOOST_TEST(r == 3);
}

return boost::report_errors();
}