diff options
Diffstat (limited to 'clang/docs/LanguageExtensions.rst')
| -rw-r--r-- | clang/docs/LanguageExtensions.rst | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/clang/docs/LanguageExtensions.rst b/clang/docs/LanguageExtensions.rst index 29ef20f..b5bb198 100644 --- a/clang/docs/LanguageExtensions.rst +++ b/clang/docs/LanguageExtensions.rst @@ -2018,7 +2018,7 @@ even if there is no valid ``std::tuple_element`` specialization or suitable Blocks ====== -The syntax and high level language feature description is in +The syntax and high-level language feature description is in :doc:`BlockLanguageSpec<BlockLanguageSpec>`. Implementation and ABI details for the clang implementation are in :doc:`Block-ABI-Apple<Block-ABI-Apple>`. @@ -2088,7 +2088,7 @@ producing an object with the following member functions constexpr size_t size() const; such as ``std::string``, ``std::string_view``, ``std::vector<char>``. -This mechanism follow the same rules as ``static_assert`` messages in +This mechanism follows the same rules as ``static_assert`` messages in C++26, see ``[dcl.pre]/p12``. Query for this feature with ``__has_extension(gnu_asm_constexpr_strings)``. @@ -2335,7 +2335,7 @@ Objective-C Autosynthesis of Properties Clang provides support for autosynthesis of declared properties. Using this feature, clang provides default synthesis of those properties not declared -@dynamic and not having user provided backing getter and setter methods. +@dynamic and not having user-provided backing getter and setter methods. ``__has_feature(objc_default_synthesize_properties)`` checks for availability of this feature in version of clang being used. @@ -2349,7 +2349,7 @@ In Objective-C, functions and methods are generally assumed to follow the <https://developer.apple.com/library/mac/#documentation/Cocoa/Conceptual/MemoryMgmt/Articles/mmRules.html>`_ conventions for ownership of object arguments and return values. However, there are exceptions, and so Clang provides attributes -to allow these exceptions to be documented. This are used by ARC and the +to allow these exceptions to be documented. These are used by ARC and the `static analyzer <https://clang-analyzer.llvm.org>`_ Some exceptions may be better described using the ``objc_method_family`` attribute instead. @@ -2575,7 +2575,7 @@ Such functionality is not conformant and does not guarantee to compile correctly in any circumstances. It can be used if: - the kernel source does not contain call expressions to (member-) function - pointers, or virtual functions. For example this extension can be used in + pointers, or virtual functions. For example, this extension can be used in metaprogramming algorithms to be able to specify/detect types generically. - the generated kernel binary does not contain indirect calls because they @@ -2613,7 +2613,7 @@ functions with variadic prototypes do not get generated in binary e.g. the variadic prototype is used to specify a function type with any number of arguments in metaprogramming algorithms in C++ for OpenCL. -This extensions can also be used when the kernel code is intended for targets +This extension can also be used when the kernel code is intended for targets supporting the variadic arguments e.g. majority of CPU targets. **Example of Use**: @@ -2702,7 +2702,7 @@ address space qualifiers, therefore, other type qualifiers such as Legacy 1.x atomics with generic address space --------------------------------------------- -Clang allows use of atomic functions from the OpenCL 1.x standards +Clang allows the use of atomic functions from the OpenCL 1.x standards with the generic address space pointer in C++ for OpenCL mode. This is a non-portable feature and might not be supported by all @@ -2833,7 +2833,7 @@ to a possibly overlapping destination region. It takes five arguments. The first argument is the destination WebAssembly table, and the second argument is the source WebAssembly table. The third argument is the destination index from where the copy starts, the fourth argument is the -source index from there the copy starts, and the fifth and last argument +source index from where the copy starts, and the fifth and last argument is the number of elements to copy. It returns nothing. .. code-block:: c++ @@ -3133,7 +3133,7 @@ Query for this feature with ``__has_builtin(__builtin_get_vtable_pointer)``. ------------------------------------ ``__builtin_call_with_static_chain`` is used to perform a static call while -setting updating the static chain register. +updating the static chain register. **Syntax**: @@ -3245,7 +3245,7 @@ Query for this feature with ``__has_builtin(__builtin_readsteadycounter)``. The ``__builtin_cpu_supports`` function detects if the run-time CPU supports features specified in string argument. It returns a positive integer if all features are supported and 0 otherwise. Feature names are target specific. On -AArch64 features are combined using ``+`` like this +AArch64, features are combined using ``+`` like this ``__builtin_cpu_supports("flagm+sha3+lse+rcpc2+fcma+memtag+bti+sme2")``. If a feature name is not supported, Clang will issue a warning and replace builtin by the constant 0. @@ -3465,7 +3465,7 @@ Query for this feature with ``__has_builtin(__builtin_convertvector)``. **Description**: The '``__builtin_bitreverse``' family of builtins is used to reverse -the bitpattern of an integer value; for example ``0b10110110`` becomes +the bitpattern of an integer value; for example, ``0b10110110`` becomes ``0b01101101``. These builtins can be used within constant expressions. ``__builtin_rotateleft`` @@ -3970,7 +3970,7 @@ the debugging experience. ``__builtin_allow_runtime_check`` returns true if the check at the current program location should be executed. It is expected to be used to implement -``assert`` like checks which can be safely removed by optimizer. +``assert`` like checks which can be safely removed by the optimizer. **Syntax**: |