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Add BOOST_NOEXCEPT and allies. Apply to Boost.Timer. Correct several Boost.timer boo boos detected while testing BOOST_NOEXCEPT.

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[SVN r74895]
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Beman Dawes
2011-10-10 14:48:39 +00:00
parent 17dcf6492b
commit 2c19eb21d6
7 changed files with 293 additions and 162 deletions
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119
doc/macro_reference.qbk
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@@ -16,11 +16,11 @@
[#config_defects]
[section Macros that describe defects]
[section Macros that describe C++03 defects]
The following macros all describe features that are required by the C++ standard,
The following macros all describe features that are required by the C++03 standard,
if one of the following macros is defined, then it represents a defect in the
compiler's conformance with the standard.
compiler's conformance with the 2003 standard.
[table
@@ -514,11 +514,10 @@ standard).
[endsect]
[section Macros that describe possible C++0x features]
[section Macros that describe possible C++ future features]
The following macros describe features that are likely to be included in the
upcoming ISO C++ standard, C++0x, but have not yet been approved for inclusion
in the language.
The following macros describe features that may be included in some future
ISO C++ standard, but have not yet been approved for inclusion in the language.
[table
@@ -531,9 +530,9 @@ The compiler supports concepts.
[endsect]
[section Macros that describe C++0x features not supported]
[section Macros that describe C++11 features not supported]
The following macros describe features in the upcoming ISO C++ standard, C++0x,
The following macros describe features in the 2011 ISO C++ standard, formerly known as C++0x,
that are not yet supported by a particular compiler or library.
[table
@@ -641,6 +640,76 @@ variadic macros.
[endsect]
[#config_11_for_03]
[section Macros that allow use of C++11 features with C++03 compilers]
The following macros allow use of C++11 features even with compilers that do not yet
provide compliant C++11 support.
[table
[[Macro ][Section ][ Description ]]
[[`BOOST_CONSTEXPR`][
Some compilers don't support the use of `constexpr`. This macro expands to nothing on those compilers, and `constexpr`
elsewhere. For example, when defining a constexpr function or constructor replace:
``
constexpr tuple();
``
with:
``
BOOST_CONSTEXPR tuple();
``
]]
[[`BOOST_CONSTEXPR_OR_CONST`][
Some compilers don't support the use of `constexpr`. This macro expands to `const` on those compilers, and `constexpr`
elsewhere. For example, when defining const expr variables replace:
``
static constexpr UIntType xor_mask = a;
``
with:
``
static BOOST_CONSTEXPR_OR_CONST UIntType xor_mask = a;
``
]]
[[`BOOST_STATIC_CONSTEXPR`][
This is a shortcut for `static BOOST_CONSTEXPR_OR_CONST`For example, when defining const expr variables replace:
``
static constexpr UIntType xor_mask = a;
``
with:
``
BOOST_STATIC_CONSTEXPR UIntType xor_mask = a;
``
]]
[[
``
BOOST_NOEXCEPT
BOOST_NOEXCEPT_IF(Predicate)
BOOST_NOEXCEPT_EXPR(Expression)
``
][
If `BOOST_NO_NOEXCEPT` is defined (i.e. C++03 compliant compilers) these macros are defined as:
[:
``
#define BOOST_NOEXCEPT
#define BOOST_NOEXCEPT_IF(Predicate)
#define BOOST_NOEXCEPT_EXPR(Expression) false
``
]
If `BOOST_NO_NOEXCEPT` is not defined (i.e. C++11 compliant compilers) they are defined as:
[:
``
#define BOOST_NOEXCEPT noexcept
#define BOOST_NOEXCEPT_IF(Predicate) noexcept((Predicate))
#define BOOST_NOEXCEPT_EXPR(Expression) noexcept((Expression))
``
]
]]
]
[endsect]
[#config_helpers]
[section Boost Helper Macros]
@@ -820,38 +889,6 @@ the arguments is itself a macro (see 16.3.1 in C++ standard). This is normally
used to create a mangled name in combination with a predefined macro such a
\_\_LINE__.
]]
[[`BOOST_CONSTEXPR`][
Some compilers don't support the use of `constexpr`. This macro expands to nothing on those compilers, and `constexpr`
elsewhere. For example, when defining a constexpr function or constructor replace:
``
constexpr tuple();
``
with:
``
BOOST_CONSTEXPR tuple();
``
]]
[[`BOOST_CONSTEXPR_OR_CONST`][
Some compilers don't support the use of `constexpr`. This macro expands to `const` on those compilers, and `constexpr`
elsewhere. For example, when defining const expr variables replace:
``
static constexpr UIntType xor_mask = a;
``
with:
``
static BOOST_CONSTEXPR_OR_CONST UIntType xor_mask = a;
``
]]
[[`BOOST_STATIC_CONSTEXPR`][
This is a shortcut for `static BOOST_CONSTEXPR_OR_CONST`For example, when defining const expr variables replace:
``
static constexpr UIntType xor_mask = a;
``
with:
``
BOOST_STATIC_CONSTEXPR UIntType xor_mask = a;
``
]]
]
[endsect]