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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@114671 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Howard Hinnant
2010-09-23 17:31:07 +00:00
parent 28c97e6ee1
commit 8d7a9557b7
7 changed files with 127 additions and 48 deletions
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25
include/system_error
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@@ -229,12 +229,14 @@ _LIBCPP_BEGIN_NAMESPACE_STD
// is_error_code_enum
template <class _Tp> struct is_error_code_enum
template <class _Tp>
struct _LIBCPP_VISIBLE is_error_code_enum
: public false_type {};
// is_error_condition_enum
template <class _Tp> struct is_error_condition_enum
template <class _Tp>
struct _LIBCPP_VISIBLE is_error_condition_enum
: public false_type {};
// Some error codes are not present on all platforms, so we provide equivalents
@@ -342,15 +344,19 @@ enum _ {
_ __v_;
_LIBCPP_ALWAYS_INLINE
errc(_ __v) : __v_(__v) {}
_LIBCPP_ALWAYS_INLINE
operator int() const {return __v_;}
};
template <> struct is_error_condition_enum<errc>
template <>
struct _LIBCPP_VISIBLE is_error_condition_enum<errc>
: true_type { };
template <> struct is_error_condition_enum<errc::_>
template <>
struct _LIBCPP_VISIBLE is_error_condition_enum<errc::_>
: true_type { };
class error_condition;
@@ -360,7 +366,7 @@ class error_code;
class __do_message;
class error_category
class _LIBCPP_VISIBLE error_category
{
public:
virtual ~error_category();
@@ -399,7 +405,7 @@ public:
const error_category& generic_category();
const error_category& system_category();
class error_condition
class _LIBCPP_VISIBLE error_condition
{
int __val_;
const error_category* __cat_;
@@ -469,7 +475,7 @@ operator<(const error_condition& __x, const error_condition& __y)
// error_code
class error_code
class _LIBCPP_VISIBLE error_code
{
int __val_;
const error_category* __cat_;
@@ -588,9 +594,10 @@ bool
operator!=(const error_condition& __x, const error_condition& __y) {return !(__x == __y);}
template <>
struct hash<error_code>
struct _LIBCPP_VISIBLE hash<error_code>
: public unary_function<error_code, size_t>
{
_LIBCPP_INLINE_VISIBILITY
size_t operator()(const error_code& __ec) const
{
return static_cast<size_t>(__ec.value());
@@ -599,7 +606,7 @@ struct hash<error_code>
// system_error
class system_error
class _LIBCPP_VISIBLE system_error
: public runtime_error
{
error_code __ec_;