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Diffstat (limited to 'clang/docs/LanguageExtensions.rst')
-rw-r--r-- | clang/docs/LanguageExtensions.rst | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/clang/docs/LanguageExtensions.rst b/clang/docs/LanguageExtensions.rst index 894b7504fd2..506d2736891 100644 --- a/clang/docs/LanguageExtensions.rst +++ b/clang/docs/LanguageExtensions.rst @@ -2651,17 +2651,19 @@ Specifying an attribute for multiple declarations (#pragma clang attribute) The ``#pragma clang attribute`` directive can be used to apply an attribute to multiple declarations. The ``#pragma clang attribute push`` variation of the -directive pushes a new attribute to the attribute stack. The declarations that -follow the pragma receive the attributes that are on the attribute stack, until -the stack is cleared using a ``#pragma clang attribute pop`` directive. Multiple -push directives can be nested inside each other. +directive pushes a new "scope" of ``#pragma clang attribute`` that attributes +can be added to. The ``#pragma clang attribute (...)`` variation adds an +attribute to that scope, and the ``#pragma clang attribute pop`` variation pops +the scope. You can also use ``#pragma clang attribute push (...)``, which is a +shorthand for when you want to add one attribute to a new scope. Multiple push +directives can be nested inside each other. The attributes that are used in the ``#pragma clang attribute`` directives can be written using the GNU-style syntax: .. code-block:: c++ - #pragma clang attribute push(__attribute__((annotate("custom"))), apply_to = function) + #pragma clang attribute push (__attribute__((annotate("custom"))), apply_to = function) void function(); // The function now has the annotate("custom") attribute @@ -2671,7 +2673,7 @@ The attributes can also be written using the C++11 style syntax: .. code-block:: c++ - #pragma clang attribute push([[noreturn]], apply_to = function) + #pragma clang attribute push ([[noreturn]], apply_to = function) void function(); // The function now has the [[noreturn]] attribute @@ -2681,7 +2683,7 @@ The ``__declspec`` style syntax is also supported: .. code-block:: c++ - #pragma clang attribute push(__declspec(dllexport), apply_to = function) + #pragma clang attribute push (__declspec(dllexport), apply_to = function) void function(); // The function now has the __declspec(dllexport) attribute |