Swift
summaryrefslogtreecommitdiffstats
path: root/3rdParty/Boost/src/boost/regex/pending
diff options
context:
space:
mode:
authorRemko Tronçon <git@el-tramo.be>2012-12-23 13:16:26 (GMT)
committerRemko Tronçon <git@el-tramo.be>2012-12-23 14:43:26 (GMT)
commit491ddd570a752cf9bda85933bed0c6942e39b1f9 (patch)
tree10c25c1be8cc08d0497df1dccd56a10fbb30beee /3rdParty/Boost/src/boost/regex/pending
parentda7d7a0ca71b80281aa9ff2526290b61ccb0cc60 (diff)
downloadswift-491ddd570a752cf9bda85933bed0c6942e39b1f9.zip
swift-491ddd570a752cf9bda85933bed0c6942e39b1f9.tar.bz2
Update Boost to 1.52.0.
Change-Id: I1e56bea2600bf2ed9c5b3aba8c4f9d2a0f350e77
Diffstat (limited to '3rdParty/Boost/src/boost/regex/pending')
-rw-r--r--3rdParty/Boost/src/boost/regex/pending/object_cache.hpp4
-rw-r--r--3rdParty/Boost/src/boost/regex/pending/unicode_iterator.hpp78
2 files changed, 73 insertions, 9 deletions
diff --git a/3rdParty/Boost/src/boost/regex/pending/object_cache.hpp b/3rdParty/Boost/src/boost/regex/pending/object_cache.hpp
index db60e28..d47fbba 100644
--- a/3rdParty/Boost/src/boost/regex/pending/object_cache.hpp
+++ b/3rdParty/Boost/src/boost/regex/pending/object_cache.hpp
@@ -73,7 +73,7 @@ boost::shared_ptr<Object const> object_cache<Key, Object>::get(const Key& k, siz
// for now just throw, but we should never really get here...
//
::boost::throw_exception(std::runtime_error("Error in thread safety code: could not acquire a lock"));
-#ifdef BOOST_NO_UNREACHABLE_RETURN_DETECTION
+#if defined(BOOST_NO_UNREACHABLE_RETURN_DETECTION) || defined(BOOST_NO_EXCEPTIONS)
return boost::shared_ptr<Object>();
#endif
#else
@@ -151,7 +151,7 @@ boost::shared_ptr<Object const> object_cache<Key, Object>::do_get(const Key& k,
--s;
}
else
- --pos;
+ ++pos;
}
BOOST_ASSERT(s_data.index[k]->first.get() == result.get());
BOOST_ASSERT(&(s_data.index.find(k)->first) == s_data.cont.back().second);
diff --git a/3rdParty/Boost/src/boost/regex/pending/unicode_iterator.hpp b/3rdParty/Boost/src/boost/regex/pending/unicode_iterator.hpp
index 657ca0a..e6399b5 100644
--- a/3rdParty/Boost/src/boost/regex/pending/unicode_iterator.hpp
+++ b/3rdParty/Boost/src/boost/regex/pending/unicode_iterator.hpp
@@ -82,16 +82,16 @@ static const ::boost::uint32_t ten_bit_mask = 0x3FFu;
inline bool is_high_surrogate(::boost::uint16_t v)
{
- return (v & 0xFC00u) == 0xd800u;
+ return (v & 0xFFFFFC00u) == 0xd800u;
}
inline bool is_low_surrogate(::boost::uint16_t v)
{
- return (v & 0xFC00u) == 0xdc00u;
+ return (v & 0xFFFFFC00u) == 0xdc00u;
}
template <class T>
inline bool is_surrogate(T v)
{
- return (v & 0xF800u) == 0xd800;
+ return (v & 0xFFFFF800u) == 0xd800;
}
inline unsigned utf8_byte_count(boost::uint8_t c)
@@ -113,6 +113,10 @@ inline unsigned utf8_trailing_byte_count(boost::uint8_t c)
return utf8_byte_count(c) - 1;
}
+#ifdef BOOST_MSVC
+#pragma warning(push)
+#pragma warning(disable:4100)
+#endif
inline void invalid_utf32_code_point(::boost::uint32_t val)
{
#ifndef BOOST_NO_STD_LOCALE
@@ -124,6 +128,9 @@ inline void invalid_utf32_code_point(::boost::uint32_t val)
#endif
boost::throw_exception(e);
}
+#ifdef BOOST_MSVC
+#pragma warning(pop)
+#endif
} // namespace detail
@@ -296,6 +303,34 @@ public:
{
m_value = pending_read;
}
+ //
+ // Range checked version:
+ //
+ u16_to_u32_iterator(BaseIterator b, BaseIterator start, BaseIterator end) : m_position(b)
+ {
+ m_value = pending_read;
+ //
+ // The range must not start with a low surrogate, or end in a high surrogate,
+ // otherwise we run the risk of running outside the underlying input range.
+ // Likewise b must not be located at a low surrogate.
+ //
+ boost::uint16_t val;
+ if(start != end)
+ {
+ if((b != start) && (b != end))
+ {
+ val = *b;
+ if(detail::is_surrogate(val) && ((val & 0xFC00u) == 0xDC00u))
+ invalid_code_point(val);
+ }
+ val = *start;
+ if(detail::is_surrogate(val) && ((val & 0xFC00u) == 0xDC00u))
+ invalid_code_point(val);
+ val = *--end;
+ if(detail::is_high_surrogate(val))
+ invalid_code_point(val);
+ }
+ }
private:
static void invalid_code_point(::boost::uint16_t val)
{
@@ -497,7 +532,7 @@ public:
while((*--m_position & 0xC0u) == 0x80u) ++count;
// now check that the sequence was valid:
if(count != detail::utf8_trailing_byte_count(*m_position))
- invalid_sequnce();
+ invalid_sequence();
m_value = pending_read;
}
BaseIterator base()const
@@ -513,8 +548,37 @@ public:
{
m_value = pending_read;
}
+ //
+ // Checked constructor:
+ //
+ u8_to_u32_iterator(BaseIterator b, BaseIterator start, BaseIterator end) : m_position(b)
+ {
+ m_value = pending_read;
+ //
+ // We must not start with a continuation character, or end with a
+ // truncated UTF-8 sequence otherwise we run the risk of going past
+ // the start/end of the underlying sequence:
+ //
+ if(start != end)
+ {
+ unsigned char v = *start;
+ if((v & 0xC0u) == 0x80u)
+ invalid_sequence();
+ if((b != start) && (b != end) && ((*b & 0xC0u) == 0x80u))
+ invalid_sequence();
+ BaseIterator pos = end;
+ do
+ {
+ v = *--pos;
+ }
+ while((start != pos) && ((v & 0xC0u) == 0x80u));
+ std::ptrdiff_t extra = detail::utf8_byte_count(v);
+ if(std::distance(pos, end) < extra)
+ invalid_sequence();
+ }
+ }
private:
- static void invalid_sequnce()
+ static void invalid_sequence()
{
std::out_of_range e("Invalid UTF-8 sequence encountered while trying to encode UTF-32 character");
boost::throw_exception(e);
@@ -524,7 +588,7 @@ private:
m_value = static_cast<U32Type>(static_cast< ::boost::uint8_t>(*m_position));
// we must not have a continuation character:
if((m_value & 0xC0u) == 0x80u)
- invalid_sequnce();
+ invalid_sequence();
// see how many extra byts we have:
unsigned extra = detail::utf8_trailing_byte_count(*m_position);
// extract the extra bits, 6 from each extra byte:
@@ -547,7 +611,7 @@ private:
m_value &= masks[extra];
// check the result:
if(m_value > static_cast<U32Type>(0x10FFFFu))
- invalid_sequnce();
+ invalid_sequence();
}
BaseIterator m_position;
mutable U32Type m_value;